diff options
Diffstat (limited to 'drivers/char')
137 files changed, 13421 insertions, 8092 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 24f922f1278..d08bb4ee130 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -97,7 +97,7 @@ config SERIAL_NONSTANDARD config COMPUTONE tristate "Computone IntelliPort Plus serial support" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && (ISA || EISA || PCI) ---help--- This driver supports the entire family of Intelliport II/Plus controllers with the exception of the MicroChannel controllers and @@ -201,9 +201,24 @@ config MOXA_SMARTIO The module will be called mxser. If you want to do that, say M here. +config MOXA_SMARTIO_NEW + tristate "Moxa SmartIO support v. 2.0 (EXPERIMENTAL)" + depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) + help + Say Y here if you have a Moxa SmartIO multiport serial card and/or + want to help develop a new version of this driver. + + This is upgraded (1.9.1) driver from original Moxa drivers with + changes finally resulting in PCI probing. + + Use at your own risk. + + This driver can also be built as a module. The module will be called + mxser_new. If you want to do that, say M here. + config ISI tristate "Multi-Tech multiport card support (EXPERIMENTAL)" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && PCI select FW_LOADER help This is a driver for the Multi-Tech cards which provide several @@ -297,7 +312,7 @@ config SPECIALIX_RTSCTS config SX tristate "Specialix SX (and SI) card support" - depends on SERIAL_NONSTANDARD + depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA) help This is a driver for the SX and SI multiport serial cards. Please read the file <file:Documentation/sx.txt> for details. @@ -595,6 +610,13 @@ config HVC_RTAS help IBM Console device driver which makes use of RTAS +config HVC_BEAT + bool "Toshiba's Beat Hypervisor Console support" + depends on PPC_CELLEB + select HVC_DRIVER + help + Toshiba's Cell Reference Set Beat Console device driver + config HVCS tristate "IBM Hypervisor Virtual Console Server support" depends on PPC_PSERIES @@ -852,7 +874,7 @@ config SONYPI config TANBAC_TB0219 tristate "TANBAC TB0219 base board support" - depends TANBAC_TB022X + depends on TANBAC_TB022X select GPIO_VR41XX source "drivers/char/agp/Kconfig" diff --git a/drivers/char/Makefile b/drivers/char/Makefile index b1fcdab9094..ae8567cc529 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_MOXA_INTELLIO) += moxa.o obj-$(CONFIG_A2232) += ser_a2232.o generic_serial.o obj-$(CONFIG_ATARI_DSP56K) += dsp56k.o obj-$(CONFIG_MOXA_SMARTIO) += mxser.o +obj-$(CONFIG_MOXA_SMARTIO_NEW) += mxser_new.o obj-$(CONFIG_COMPUTONE) += ip2/ obj-$(CONFIG_RISCOM8) += riscom8.o obj-$(CONFIG_ISI) += isicom.o @@ -44,6 +45,7 @@ obj-$(CONFIG_RIO) += rio/ generic_serial.o obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o obj-$(CONFIG_HVC_ISERIES) += hvc_iseries.o obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o +obj-$(CONFIG_HVC_BEAT) += hvc_beat.o obj-$(CONFIG_HVC_DRIVER) += hvc_console.o obj-$(CONFIG_RAW_DRIVER) += raw.o obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o @@ -58,6 +60,8 @@ obj-$(CONFIG_BRIQ_PANEL) += briq_panel.o obj-$(CONFIG_PRINTER) += lp.o obj-$(CONFIG_TIPAR) += tipar.o +obj-$(CONFIG_APM_EMULATION) += apm-emulation.o + obj-$(CONFIG_DTLK) += dtlk.o obj-$(CONFIG_R3964) += n_r3964.o obj-$(CONFIG_APPLICOM) += applicom.o diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig index c603bf29158..a9f9c48c242 100644 --- a/drivers/char/agp/Kconfig +++ b/drivers/char/agp/Kconfig @@ -86,7 +86,7 @@ config AGP_NVIDIA config AGP_SIS tristate "SiS chipset support" - depends on AGP + depends on AGP && X86 help This option gives you AGP support for the GLX component of X on Silicon Integrated Systems [SiS] chipsets. @@ -103,7 +103,7 @@ config AGP_SWORKS config AGP_VIA tristate "VIA chipset support" - depends on AGP + depends on AGP && X86 help This option gives you AGP support for the GLX component of X on VIA MVP3/Apollo Pro chipsets. diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h index 8b3317fd46c..1d59e2a5b9a 100644 --- a/drivers/char/agp/agp.h +++ b/drivers/char/agp/agp.h @@ -225,6 +225,10 @@ struct agp_bridge_data { #define I810_GMS_DISABLE 0x00000000 #define I810_PGETBL_CTL 0x2020 #define I810_PGETBL_ENABLED 0x00000001 +#define I965_PGETBL_SIZE_MASK 0x0000000e +#define I965_PGETBL_SIZE_512KB (0 << 1) +#define I965_PGETBL_SIZE_256KB (1 << 1) +#define I965_PGETBL_SIZE_128KB (2 << 1) #define I810_DRAM_CTL 0x3000 #define I810_DRAM_ROW_0 0x00000001 #define I810_DRAM_ROW_0_SDRAM 0x00000001 diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index 51d0d562d01..c85c8cadb6d 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -101,6 +101,11 @@ static int amd_create_gatt_pages(int nr_tables) for (i = 0; i < nr_tables; i++) { entry = kzalloc(sizeof(struct amd_page_map), GFP_KERNEL); if (entry == NULL) { + while (i > 0) { + kfree(tables[i-1]); + i--; + } + kfree(tables); retval = -ENOMEM; break; } diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 2f2c4efff8a..93d2209fee4 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -650,6 +650,15 @@ static struct pci_device_id agp_amd64_pci_table[] = { .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, + /* VIA K8M890 / K8N890 */ + { + .class = (PCI_CLASS_BRIDGE_HOST << 8), + .class_mask = ~0, + .vendor = PCI_VENDOR_ID_VIA, + .device = PCI_DEVICE_ID_VIA_VT3336, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, /* VIA K8T890 */ { .class = (PCI_CLASS_BRIDGE_HOST << 8), diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c index f244c668273..9987dc2e0c3 100644 --- a/drivers/char/agp/ati-agp.c +++ b/drivers/char/agp/ati-agp.c @@ -41,18 +41,18 @@ static struct gatt_mask ati_generic_masks[] = }; -typedef struct _ati_page_map { +struct ati_page_map { unsigned long *real; unsigned long __iomem *remapped; -} ati_page_map; +}; static struct _ati_generic_private { volatile u8 __iomem *registers; - ati_page_map **gatt_pages; + struct ati_page_map **gatt_pages; int num_tables; } ati_generic_private; -static int ati_create_page_map(ati_page_map *page_map) +static int ati_create_page_map(struct ati_page_map *page_map) { int i, err = 0; @@ -82,7 +82,7 @@ static int ati_create_page_map(ati_page_map *page_map) } -static void ati_free_page_map(ati_page_map *page_map) +static void ati_free_page_map(struct ati_page_map *page_map) { unmap_page_from_agp(virt_to_page(page_map->real)); iounmap(page_map->remapped); @@ -94,8 +94,8 @@ static void ati_free_page_map(ati_page_map *page_map) static void ati_free_gatt_pages(void) { int i; - ati_page_map **tables; - ati_page_map *entry; + struct ati_page_map **tables; + struct ati_page_map *entry; tables = ati_generic_private.gatt_pages; for (i = 0; i < ati_generic_private.num_tables; i++) { @@ -112,30 +112,30 @@ static void ati_free_gatt_pages(void) static int ati_create_gatt_pages(int nr_tables) { - ati_page_map **tables; - ati_page_map *entry; + struct ati_page_map **tables; + struct ati_page_map *entry; int retval = 0; int i; - tables = kzalloc((nr_tables + 1) * sizeof(ati_page_map *),GFP_KERNEL); + tables = kzalloc((nr_tables + 1) * sizeof(struct ati_page_map *),GFP_KERNEL); if (tables == NULL) return -ENOMEM; for (i = 0; i < nr_tables; i++) { - entry = kzalloc(sizeof(ati_page_map), GFP_KERNEL); + entry = kzalloc(sizeof(struct ati_page_map), GFP_KERNEL); if (entry == NULL) { - while (i>0) { - kfree (tables[i-1]); + while (i > 0) { + kfree(tables[i-1]); i--; } - kfree (tables); - tables = NULL; + kfree(tables); retval = -ENOMEM; break; } tables[i] = entry; retval = ati_create_page_map(entry); - if (retval != 0) break; + if (retval != 0) + break; } ati_generic_private.num_tables = nr_tables; ati_generic_private.gatt_pages = tables; @@ -340,7 +340,7 @@ static int ati_remove_memory(struct agp_memory * mem, off_t pg_start, static int ati_create_gatt_table(struct agp_bridge_data *bridge) { struct aper_size_info_lvl2 *value; - ati_page_map page_dir; + struct ati_page_map page_dir; unsigned long addr; int retval; u32 temp; @@ -400,7 +400,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge) static int ati_free_gatt_table(struct agp_bridge_data *bridge) { - ati_page_map page_dir; + struct ati_page_map page_dir; page_dir.real = (unsigned long *)agp_bridge->gatt_table_real; page_dir.remapped = (unsigned long __iomem *)agp_bridge->gatt_table; diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index 5ff457b41ef..3491d6f84bc 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -419,6 +419,31 @@ static void agp_v2_parse_one(u32 *requested_mode, u32 *bridge_agpstat, u32 *vga_ *requested_mode &= ~AGP2_RESERVED_MASK; } + /* + * Some dumb bridges are programmed to disobey the AGP2 spec. + * This is likely a BIOS misprogramming rather than poweron default, or + * it would be a lot more common. + * https://bugs.freedesktop.org/show_bug.cgi?id=8816 + * AGPv2 spec 6.1.9 states: + * The RATE field indicates the data transfer rates supported by this + * device. A.G.P. devices must report all that apply. + * Fix them up as best we can. + */ + switch (*bridge_agpstat & 7) { + case 4: + *bridge_agpstat |= (AGPSTAT2_2X | AGPSTAT2_1X); + printk(KERN_INFO PFX "BIOS bug. AGP bridge claims to only support x4 rate" + "Fixing up support for x2 & x1\n"); + break; + case 2: + *bridge_agpstat |= AGPSTAT2_1X; + printk(KERN_INFO PFX "BIOS bug. AGP bridge claims to only support x2 rate" + "Fixing up support for x1\n"); + break; + default: + break; + } + /* Check the speed bits make sense. Only one should be set. */ tmp = *requested_mode & 7; switch (tmp) { @@ -940,6 +965,9 @@ int agp_generic_insert_memory(struct agp_memory * mem, off_t pg_start, int type) if (!bridge) return -EINVAL; + if (mem->page_count == 0) + return 0; + temp = bridge->current_size; switch (bridge->driver->size_type) { @@ -991,8 +1019,8 @@ int agp_generic_insert_memory(struct agp_memory * mem, off_t pg_start, int type) for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(bridge->driver->mask_memory(bridge, mem->memory[i], mem->type), bridge->gatt_table+j); - readl(bridge->gatt_table+j); /* PCI Posting. */ } + readl(bridge->gatt_table+j-1); /* PCI Posting. */ bridge->driver->tlb_flush(mem); return 0; @@ -1009,6 +1037,9 @@ int agp_generic_remove_memory(struct agp_memory *mem, off_t pg_start, int type) if (!bridge) return -EINVAL; + if (mem->page_count == 0) + return 0; + if (type != 0 || mem->type != 0) { /* The generic routines know nothing of memory types */ return -EINVAL; @@ -1017,10 +1048,9 @@ int agp_generic_remove_memory(struct agp_memory *mem, off_t pg_start, int type) /* AK: bogus, should encode addresses > 4GB */ for (i = pg_start; i < (mem->page_count + pg_start); i++) { writel(bridge->scratch_page, bridge->gatt_table+i); - readl(bridge->gatt_table+i); /* PCI Posting. */ } + readl(bridge->gatt_table+i-1); /* PCI Posting. */ - global_cache_flush(); bridge->driver->tlb_flush(mem); return 0; } diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 555b3a8ab49..a3011de51f7 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -207,6 +207,9 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, int i, j, num_entries; void *temp; + if (mem->page_count == 0) + return 0; + temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; @@ -221,12 +224,16 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, if (type != 0 || mem->type != 0) { if ((type == AGP_DCACHE_MEMORY) && (mem->type == AGP_DCACHE_MEMORY)) { /* special insert */ - global_cache_flush(); + if (!mem->is_flushed) { + global_cache_flush(); + mem->is_flushed = TRUE; + } + for (i = pg_start; i < (pg_start + mem->page_count); i++) { writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID, intel_i810_private.registers+I810_PTE_BASE+(i*4)); - readl(intel_i810_private.registers+I810_PTE_BASE+(i*4)); /* PCI Posting. */ } - global_cache_flush(); + readl(intel_i810_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ + agp_bridge->driver->tlb_flush(mem); return 0; } @@ -236,14 +243,17 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, } insert: - global_cache_flush(); + if (!mem->is_flushed) { + global_cache_flush(); + mem->is_flushed = TRUE; + } + for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, mem->memory[i], mem->type), intel_i810_private.registers+I810_PTE_BASE+(j*4)); - readl(intel_i810_private.registers+I810_PTE_BASE+(j*4)); /* PCI Posting. */ } - global_cache_flush(); + readl(intel_i810_private.registers+I810_PTE_BASE+((j-1)*4)); /* PCI Posting. */ agp_bridge->driver->tlb_flush(mem); return 0; @@ -254,12 +264,14 @@ static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start, { int i; + if (mem->page_count == 0) + return 0; + for (i = pg_start; i < (mem->page_count + pg_start); i++) { writel(agp_bridge->scratch_page, intel_i810_private.registers+I810_PTE_BASE+(i*4)); - readl(intel_i810_private.registers+I810_PTE_BASE+(i*4)); /* PCI Posting. */ } + readl(intel_i810_private.registers+I810_PTE_BASE+((i-1)*4)); - global_cache_flush(); agp_bridge->driver->tlb_flush(mem); return 0; } @@ -370,6 +382,11 @@ static struct _intel_i830_private { struct pci_dev *i830_dev; /* device one */ volatile u8 __iomem *registers; volatile u32 __iomem *gtt; /* I915G */ + /* gtt_entries is the number of gtt entries that are already mapped + * to stolen memory. Stolen memory is larger than the memory mapped + * through gtt_entries, as it includes some reserved space for the BIOS + * popup and for the GTT. + */ int gtt_entries; } intel_i830_private; @@ -380,14 +397,41 @@ static void intel_i830_init_gtt_entries(void) u8 rdct; int local = 0; static const int ddt[4] = { 0, 16, 32, 64 }; - int size; + int size; /* reserved space (in kb) at the top of stolen memory */ pci_read_config_word(agp_bridge->dev,I830_GMCH_CTRL,&gmch_ctrl); - /* We obtain the size of the GTT, which is also stored (for some - * reason) at the top of stolen memory. Then we add 4KB to that - * for the video BIOS popup, which is also stored in there. */ - size = agp_bridge->driver->fetch_size() + 4; + if (IS_I965) { + u32 pgetbl_ctl; + + pci_read_config_dword(agp_bridge->dev, I810_PGETBL_CTL, + &pgetbl_ctl); + /* The 965 has a field telling us the size of the GTT, + * which may be larger than what is necessary to map the + * aperture. + */ + switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) { + case I965_PGETBL_SIZE_128KB: + size = 128; + break; + case I965_PGETBL_SIZE_256KB: + size = 256; + break; + case I965_PGETBL_SIZE_512KB: + size = 512; + break; + default: + printk(KERN_INFO PFX "Unknown page table size, " + "assuming 512KB\n"); + size = 512; + } + size += 4; /* add in BIOS popup space */ + } else { + /* On previous hardware, the GTT size was just what was + * required to map the aperture. + */ + size = agp_bridge->driver->fetch_size() + 4; + } if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { @@ -576,6 +620,9 @@ static int intel_i830_insert_entries(struct agp_memory *mem,off_t pg_start, int int i,j,num_entries; void *temp; + if (mem->page_count == 0) + return 0; + temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; @@ -598,16 +645,18 @@ static int intel_i830_insert_entries(struct agp_memory *mem,off_t pg_start, int (mem->type != 0 && mem->type != AGP_PHYS_MEMORY)) return -EINVAL; - global_cache_flush(); /* FIXME: Necessary ?*/ + if (!mem->is_flushed) { + global_cache_flush(); + mem->is_flushed = TRUE; + } for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, mem->memory[i], mem->type), intel_i830_private.registers+I810_PTE_BASE+(j*4)); - readl(intel_i830_private.registers+I810_PTE_BASE+(j*4)); /* PCI Posting. */ } + readl(intel_i830_private.registers+I810_PTE_BASE+((j-1)*4)); - global_cache_flush(); agp_bridge->driver->tlb_flush(mem); return 0; } @@ -617,7 +666,8 @@ static int intel_i830_remove_entries(struct agp_memory *mem,off_t pg_start, { int i; - global_cache_flush(); + if (mem->page_count == 0) + return 0; if (pg_start < intel_i830_private.gtt_entries) { printk (KERN_INFO PFX "Trying to disable local/stolen memory\n"); @@ -626,10 +676,9 @@ static int intel_i830_remove_entries(struct agp_memory *mem,off_t pg_start, for (i = pg_start; i < (mem->page_count + pg_start); i++) { writel(agp_bridge->scratch_page, intel_i830_private.registers+I810_PTE_BASE+(i*4)); - readl(intel_i830_private.registers+I810_PTE_BASE+(i*4)); /* PCI Posting. */ } + readl(intel_i830_private.registers+I810_PTE_BASE+((i-1)*4)); - global_cache_flush(); agp_bridge->driver->tlb_flush(mem); return 0; } @@ -686,6 +735,9 @@ static int intel_i915_insert_entries(struct agp_memory *mem,off_t pg_start, int i,j,num_entries; void *temp; + if (mem->page_count == 0) + return 0; + temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; @@ -708,15 +760,17 @@ static int intel_i915_insert_entries(struct agp_memory *mem,off_t pg_start, (mem->type != 0 && mem->type != AGP_PHYS_MEMORY)) return -EINVAL; - global_cache_flush(); + if (!mem->is_flushed) { + global_cache_flush(); + mem->is_flushed = TRUE; + } for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, mem->memory[i], mem->type), intel_i830_private.gtt+j); - readl(intel_i830_private.gtt+j); /* PCI Posting. */ } + readl(intel_i830_private.gtt+j-1); - global_cache_flush(); agp_bridge->driver->tlb_flush(mem); return 0; } @@ -726,7 +780,8 @@ static int intel_i915_remove_entries(struct agp_memory *mem,off_t pg_start, { int i; - global_cache_flush(); + if (mem->page_count == 0) + return 0; if (pg_start < intel_i830_private.gtt_entries) { printk (KERN_INFO PFX "Trying to disable local/stolen memory\n"); @@ -735,30 +790,34 @@ static int intel_i915_remove_entries(struct agp_memory *mem,off_t pg_start, for (i = pg_start; i < (mem->page_count + pg_start); i++) { writel(agp_bridge->scratch_page, intel_i830_private.gtt+i); - readl(intel_i830_private.gtt+i); } + readl(intel_i830_private.gtt+i-1); - global_cache_flush(); agp_bridge->driver->tlb_flush(mem); return 0; } -static int intel_i915_fetch_size(void) +/* Return the aperture size by just checking the resource length. The effect + * described in the spec of the MSAC registers is just changing of the + * resource size. + */ +static int intel_i9xx_fetch_size(void) { - struct aper_size_info_fixed *values; - u32 temp, offset; + int num_sizes = sizeof(intel_i830_sizes) / sizeof(*intel_i830_sizes); + int aper_size; /* size in megabytes */ + int i; -#define I915_256MB_ADDRESS_MASK (1<<27) + aper_size = pci_resource_len(intel_i830_private.i830_dev, 2) / MB(1); - values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); + for (i = 0; i < num_sizes; i++) { + if (aper_size == intel_i830_sizes[i].size) { + agp_bridge->current_size = intel_i830_sizes + i; + agp_bridge->previous_size = agp_bridge->current_size; + return aper_size; + } + } - pci_read_config_dword(intel_i830_private.i830_dev, I915_GMADDR, &temp); - if (temp & I915_256MB_ADDRESS_MASK) - offset = 0; /* 128MB aperture */ - else - offset = 2; /* 256MB aperture */ - agp_bridge->previous_size = agp_bridge->current_size = (void *)(values + offset); - return values[offset].size; + return 0; } /* The intel i915 automatically initializes the agp aperture during POST. @@ -821,40 +880,9 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, return addr | bridge->driver->masks[type].mask; } -static int intel_i965_fetch_size(void) -{ - struct aper_size_info_fixed *values; - u32 offset = 0; - u8 temp; - -#define I965_512MB_ADDRESS_MASK (3<<1) - - values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); - - pci_read_config_byte(intel_i830_private.i830_dev, I965_MSAC, &temp); - temp &= I965_512MB_ADDRESS_MASK; - switch (temp) { - case 0x00: - offset = 0; /* 128MB */ - break; - case 0x06: - offset = 3; /* 512MB */ - break; - default: - case 0x02: - offset = 2; /* 256MB */ - break; - } - - agp_bridge->previous_size = agp_bridge->current_size = (void *)(values + offset); - - /* The i965 GTT is always sized as if it had a 512kB aperture size */ - return 512; -} - /* The intel i965 automatically initializes the agp aperture during POST. -+ * Use the memory already set aside for in the GTT. -+ */ + * Use the memory already set aside for in the GTT. + */ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) { int page_order; @@ -1574,7 +1602,7 @@ static struct agp_bridge_driver intel_915_driver = { .num_aperture_sizes = 4, .needs_scratch_page = TRUE, .configure = intel_i915_configure, - .fetch_size = intel_i915_fetch_size, + .fetch_size = intel_i9xx_fetch_size, .cleanup = intel_i915_cleanup, .tlb_flush = intel_i810_tlbflush, .mask_memory = intel_i810_mask_memory, @@ -1598,7 +1626,7 @@ static struct agp_bridge_driver intel_i965_driver = { .num_aperture_sizes = 4, .needs_scratch_page = TRUE, .configure = intel_i915_configure, - .fetch_size = intel_i965_fetch_size, + .fetch_size = intel_i9xx_fetch_size, .cleanup = intel_i915_cleanup, .tlb_flush = intel_i810_tlbflush, .mask_memory = intel_i965_mask_memory, @@ -1927,6 +1955,15 @@ static int agp_intel_resume(struct pci_dev *pdev) pci_restore_state(pdev); + /* We should restore our graphics device's config space, + * as host bridge (00:00) resumes before graphics device (02:00), + * then our access to its pci space can work right. + */ + if (intel_i810_private.i810_dev) + pci_restore_state(intel_i810_private.i810_dev); + if (intel_i830_private.i830_dev) + pci_restore_state(intel_i830_private.i830_dev); + if (bridge->driver == &intel_generic_driver) intel_configure(); else if (bridge->driver == &intel_850_driver) diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c index d73be4c2db8..902648db7ef 100644 --- a/drivers/char/agp/sgi-agp.c +++ b/drivers/char/agp/sgi-agp.c @@ -281,10 +281,11 @@ static int __devinit agp_sgi_init(void) else return 0; - sgi_tioca_agp_bridges = - (struct agp_bridge_data **)kmalloc(tioca_gart_found * - sizeof(struct agp_bridge_data *), - GFP_KERNEL); + sgi_tioca_agp_bridges = kmalloc(tioca_gart_found * + sizeof(struct agp_bridge_data *), + GFP_KERNEL); + if (!sgi_tioca_agp_bridges) + return -ENOMEM; j = 0; list_for_each_entry(info, &tioca_list, ca_list) { diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c index c149ac9ce9a..2ded7a280d7 100644 --- a/drivers/char/agp/via-agp.c +++ b/drivers/char/agp/via-agp.c @@ -380,9 +380,23 @@ static struct agp_device_ids via_agp_device_ids[] __devinitdata = /* P4M800CE */ { .device_id = PCI_DEVICE_ID_VIA_P4M800CE, - .chipset_name = "P4M800CE", + .chipset_name = "VT3314", + }, + /* CX700 */ + { + .device_id = PCI_DEVICE_ID_VIA_CX700, + .chipset_name = "CX700", + }, + /* VT3336 */ + { + .device_id = PCI_DEVICE_ID_VIA_VT3336, + .chipset_name = "VT3336", + }, + /* P4M890 */ + { + .device_id = PCI_DEVICE_ID_VIA_P4M890, + .chipset_name = "P4M890", }, - { }, /* dummy final entry, always present */ }; @@ -524,6 +538,9 @@ static const struct pci_device_id agp_via_pci_table[] = { ID(PCI_DEVICE_ID_VIA_83_87XX_1), ID(PCI_DEVICE_ID_VIA_3296_0), ID(PCI_DEVICE_ID_VIA_P4M800CE), + ID(PCI_DEVICE_ID_VIA_CX700), + ID(PCI_DEVICE_ID_VIA_VT3336), + ID(PCI_DEVICE_ID_VIA_P4M890), { } }; diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 66086fa2d59..feb4ac802a0 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -104,7 +104,7 @@ static struct async_struct *IRQ_ports; static unsigned char current_ctl_bits; -static void change_speed(struct async_struct *info, struct termios *old); +static void change_speed(struct async_struct *info, struct ktermios *old); static void rs_wait_until_sent(struct tty_struct *tty, int timeout); @@ -694,7 +694,7 @@ static void shutdown(struct async_struct * info) * the specified baud rate for a serial port. */ static void change_speed(struct async_struct *info, - struct termios *old_termios) + struct ktermios *old_termios) { int quot = 0, baud_base, baud; unsigned cflag, cval = 0; @@ -1365,7 +1365,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file, return 0; } -static void rs_set_termios(struct tty_struct *tty, struct termios *old_termios) +static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct async_struct *info = (struct async_struct *)tty->driver_data; unsigned long flags; diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c new file mode 100644 index 00000000000..179c7a3b6e7 --- /dev/null +++ b/drivers/char/apm-emulation.c @@ -0,0 +1,672 @@ +/* + * bios-less APM driver for ARM Linux + * Jamey Hicks <jamey@crl.dec.com> + * adapted from the APM BIOS driver for Linux by Stephen Rothwell (sfr@linuxcare.com) + * + * APM 1.2 Reference: + * Intel Corporation, Microsoft Corporation. Advanced Power Management + * (APM) BIOS Interface Specification, Revision 1.2, February 1996. + * + * [This document is available from Microsoft at: + * http://www.microsoft.com/hwdev/busbios/amp_12.htm] + */ +#include <linux/module.h> +#include <linux/poll.h> +#include <linux/slab.h> +#include <linux/proc_fs.h> +#include <linux/miscdevice.h> +#include <linux/apm_bios.h> +#include <linux/capability.h> +#include <linux/sched.h> +#include <linux/pm.h> +#include <linux/apm-emulation.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/init.h> +#include <linux/completion.h> +#include <linux/kthread.h> +#include <linux/delay.h> + +#include <asm/system.h> + +/* + * The apm_bios device is one of the misc char devices. + * This is its minor number. + */ +#define APM_MINOR_DEV 134 + +/* + * See Documentation/Config.help for the configuration options. + * + * Various options can be changed at boot time as follows: + * (We allow underscores for compatibility with the modules code) + * apm=on/off enable/disable APM + */ + +/* + * Maximum number of events stored + */ +#define APM_MAX_EVENTS 16 + +struct apm_queue { + unsigned int event_head; + unsigned int event_tail; + apm_event_t events[APM_MAX_EVENTS]; +}; + +/* + * The per-file APM data + */ +struct apm_user { + struct list_head list; + + unsigned int suser: 1; + unsigned int writer: 1; + unsigned int reader: 1; + + int suspend_result; + unsigned int suspend_state; +#define SUSPEND_NONE 0 /* no suspend pending */ +#define SUSPEND_PENDING 1 /* suspend pending read */ +#define SUSPEND_READ 2 /* suspend read, pending ack */ +#define SUSPEND_ACKED 3 /* suspend acked */ +#define SUSPEND_WAIT 4 /* waiting for suspend */ +#define SUSPEND_DONE 5 /* suspend completed */ + + struct apm_queue queue; +}; + +/* + * Local variables + */ +static int suspends_pending; +static int apm_disabled; +static struct task_struct *kapmd_tsk; + +static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue); +static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue); + +/* + * This is a list of everyone who has opened /dev/apm_bios + */ +static DECLARE_RWSEM(user_list_lock); +static LIST_HEAD(apm_user_list); + +/* + * kapmd info. kapmd provides us a process context to handle + * "APM" events within - specifically necessary if we're going + * to be suspending the system. + */ +static DECLARE_WAIT_QUEUE_HEAD(kapmd_wait); +static DEFINE_SPINLOCK(kapmd_queue_lock); +static struct apm_queue kapmd_queue; + +static DEFINE_MUTEX(state_lock); + +static const char driver_version[] = "1.13"; /* no spaces */ + + + +/* + * Compatibility cruft until the IPAQ people move over to the new + * interface. + */ +static void __apm_get_power_status(struct apm_power_info *info) +{ +} + +/* + * This allows machines to provide their own "apm get power status" function. + */ +void (*apm_get_power_status)(struct apm_power_info *) = __apm_get_power_status; +EXPORT_SYMBOL(apm_get_power_status); + + +/* + * APM event queue management. + */ +static inline int queue_empty(struct apm_queue *q) +{ + return q->event_head == q->event_tail; +} + +static inline apm_event_t queue_get_event(struct apm_queue *q) +{ + q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; + return q->events[q->event_tail]; +} + +static void queue_add_event(struct apm_queue *q, apm_event_t event) +{ + q->event_head = (q->event_head + 1) % APM_MAX_EVENTS; + if (q->event_head == q->event_tail) { + static int notified; + + if (notified++ == 0) + printk(KERN_ERR "apm: an event queue overflowed\n"); + q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS; + } + q->events[q->event_head] = event; +} + +static void queue_event(apm_event_t event) +{ + struct apm_user *as; + + down_read(&user_list_lock); + list_for_each_entry(as, &apm_user_list, list) { + if (as->reader) + queue_add_event(&as->queue, event); + } + up_read(&user_list_lock); + wake_up_interruptible(&apm_waitqueue); +} + +/* + * queue_suspend_event - queue an APM suspend event. + * + * Check that we're in a state where we can suspend. If not, + * return -EBUSY. Otherwise, queue an event to all "writer" + * users. If there are no "writer" users, return '1' to + * indicate that we can immediately suspend. + */ +static int queue_suspend_event(apm_event_t event, struct apm_user *sender) +{ + struct apm_user *as; + int ret = 1; + + mutex_lock(&state_lock); + down_read(&user_list_lock); + + /* + * If a thread is still processing, we can't suspend, so reject + * the request. + */ + list_for_each_entry(as, &apm_user_list, list) { + if (as != sender && as->reader && as->writer && as->suser && + as->suspend_state != SUSPEND_NONE) { + ret = -EBUSY; + goto out; + } + } + + list_for_each_entry(as, &apm_user_list, list) { + if (as != sender && as->reader && as->writer && as->suser) { + as->suspend_state = SUSPEND_PENDING; + suspends_pending++; + queue_add_event(&as->queue, event); + ret = 0; + } + } + out: + up_read(&user_list_lock); + mutex_unlock(&state_lock); + wake_up_interruptible(&apm_waitqueue); + return ret; +} + +static void apm_suspend(void) +{ + struct apm_user *as; + int err = pm_suspend(PM_SUSPEND_MEM); + + /* + * Anyone on the APM queues will think we're still suspended. + * Send a message so everyone knows we're now awake again. + */ + queue_event(APM_NORMAL_RESUME); + + /* + * Finally, wake up anyone who is sleeping on the suspend. + */ + mutex_lock(&state_lock); + down_read(&user_list_lock); + list_for_each_entry(as, &apm_user_list, list) { + if (as->suspend_state == SUSPEND_WAIT || + as->suspend_state == SUSPEND_ACKED) { + as->suspend_result = err; + as->suspend_state = SUSPEND_DONE; + } + } + up_read(&user_list_lock); + mutex_unlock(&state_lock); + + wake_up(&apm_suspend_waitqueue); +} + +static ssize_t apm_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos) +{ + struct apm_user *as = fp->private_data; + apm_event_t event; + int i = count, ret = 0; + + if (count < sizeof(apm_event_t)) + return -EINVAL; + + if (queue_empty(&as->queue) && fp->f_flags & O_NONBLOCK) + return -EAGAIN; + + wait_event_interruptible(apm_waitqueue, !queue_empty(&as->queue)); + + while ((i >= sizeof(event)) && !queue_empty(&as->queue)) { + event = queue_get_event(&as->queue); + + ret = -EFAULT; + if (copy_to_user(buf, &event, sizeof(event))) + break; + + mutex_lock(&state_lock); + if (as->suspend_state == SUSPEND_PENDING && + (event == APM_SYS_SUSPEND || event == APM_USER_SUSPEND)) + as->suspend_state = SUSPEND_READ; + mutex_unlock(&state_lock); + + buf += sizeof(event); + i -= sizeof(event); + } + + if (i < count) + ret = count - i; + + return ret; +} + +static unsigned int apm_poll(struct file *fp, poll_table * wait) +{ + struct apm_user *as = fp->private_data; + + poll_wait(fp, &apm_waitqueue, wait); + return queue_empty(&as->queue) ? 0 : POLLIN | POLLRDNORM; +} + +/* + * apm_ioctl - handle APM ioctl + * + * APM_IOC_SUSPEND + * This IOCTL is overloaded, and performs two functions. It is used to: + * - initiate a suspend + * - acknowledge a suspend read from /dev/apm_bios. + * Only when everyone who has opened /dev/apm_bios with write permission + * has acknowledge does the actual suspend happen. + */ +static int +apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) +{ + struct apm_user *as = filp->private_data; + unsigned long flags; + int err = -EINVAL; + + if (!as->suser || !as->writer) + return -EPERM; + + switch (cmd) { + case APM_IOC_SUSPEND: + mutex_lock(&state_lock); + + as->suspend_result = -EINTR; + + if (as->suspend_state == SUSPEND_READ) { + int pending; + + /* + * If we read a suspend command from /dev/apm_bios, + * then the corresponding APM_IOC_SUSPEND ioctl is + * interpreted as an acknowledge. + */ + as->suspend_state = SUSPEND_ACKED; + suspends_pending--; + pending = suspends_pending == 0; + mutex_unlock(&state_lock); + + /* + * If there are no further acknowledges required, + * suspend the system. + */ + if (pending) + apm_suspend(); + + /* + * Wait for the suspend/resume to complete. If there + * are pending acknowledges, we wait here for them. + * + * Note: we need to ensure that the PM subsystem does + * not kick us out of the wait when it suspends the + * threads. + */ + flags = current->flags; + current->flags |= PF_NOFREEZE; + + wait_event(apm_suspend_waitqueue, + as->suspend_state == SUSPEND_DONE); + } else { + as->suspend_state = SUSPEND_WAIT; + mutex_unlock(&state_lock); + + /* + * Otherwise it is a request to suspend the system. + * Queue an event for all readers, and expect an + * acknowledge from all writers who haven't already + * acknowledged. + */ + err = queue_suspend_event(APM_USER_SUSPEND, as); + if (err < 0) { + /* + * Avoid taking the lock here - this + * should be fine. + */ + as->suspend_state = SUSPEND_NONE; + break; + } + + if (err > 0) + apm_suspend(); + + /* + * Wait for the suspend/resume to complete. If there + * are pending acknowledges, we wait here for them. + * + * Note: we need to ensure that the PM subsystem does + * not kick us out of the wait when it suspends the + * threads. + */ + flags = current->flags; + current->flags |= PF_NOFREEZE; + + wait_event_interruptible(apm_suspend_waitqueue, + as->suspend_state == SUSPEND_DONE); + } + + current->flags = flags; + + mutex_lock(&state_lock); + err = as->suspend_result; + as->suspend_state = SUSPEND_NONE; + mutex_unlock(&state_lock); + break; + } + + return err; +} + +static int apm_release(struct inode * inode, struct file * filp) +{ + struct apm_user *as = filp->private_data; + int pending = 0; + + filp->private_data = NULL; + + down_write(&user_list_lock); + list_del(&as->list); + up_write(&user_list_lock); + + /* + * We are now unhooked from the chain. As far as new + * events are concerned, we no longer exist. However, we + * need to balance suspends_pending, which means the + * possibility of sleeping. + */ + mutex_lock(&state_lock); + if (as->suspend_state != SUSPEND_NONE) { + suspends_pending -= 1; + pending = suspends_pending == 0; + } + mutex_unlock(&state_lock); + if (pending) + apm_suspend(); + + kfree(as); + return 0; +} + +static int apm_open(struct inode * inode, struct file * filp) +{ + struct apm_user *as; + + as = kzalloc(sizeof(*as), GFP_KERNEL); + if (as) { + /* + * XXX - this is a tiny bit broken, when we consider BSD + * process accounting. If the device is opened by root, we + * instantly flag that we used superuser privs. Who knows, + * we might close the device immediately without doing a + * privileged operation -- cevans + */ + as->suser = capable(CAP_SYS_ADMIN); + as->writer = (filp->f_mode & FMODE_WRITE) == FMODE_WRITE; + as->reader = (filp->f_mode & FMODE_READ) == FMODE_READ; + + down_write(&user_list_lock); + list_add(&as->list, &apm_user_list); + up_write(&user_list_lock); + + filp->private_data = as; + } + + return as ? 0 : -ENOMEM; +} + +static struct file_operations apm_bios_fops = { + .owner = THIS_MODULE, + .read = apm_read, + .poll = apm_poll, + .ioctl = apm_ioctl, + .open = apm_open, + .release = apm_release, +}; + +static struct miscdevice apm_device = { + .minor = APM_MINOR_DEV, + .name = "apm_bios", + .fops = &apm_bios_fops +}; + + +#ifdef CONFIG_PROC_FS +/* + * Arguments, with symbols from linux/apm_bios.h. + * + * 0) Linux driver version (this will change if format changes) + * 1) APM BIOS Version. Usually 1.0, 1.1 or 1.2. + * 2) APM flags from APM Installation Check (0x00): + * bit 0: APM_16_BIT_SUPPORT + * bit 1: APM_32_BIT_SUPPORT + * bit 2: APM_IDLE_SLOWS_CLOCK + * bit 3: APM_BIOS_DISABLED + * bit 4: APM_BIOS_DISENGAGED + * 3) AC line status + * 0x00: Off-line + * 0x01: On-line + * 0x02: On backup power (BIOS >= 1.1 only) + * 0xff: Unknown + * 4) Battery status + * 0x00: High + * 0x01: Low + * 0x02: Critical + * 0x03: Charging + * 0x04: Selected battery not present (BIOS >= 1.2 only) + * 0xff: Unknown + * 5) Battery flag + * bit 0: High + * bit 1: Low + * bit 2: Critical + * bit 3: Charging + * bit 7: No system battery + * 0xff: Unknown + * 6) Remaining battery life (percentage of charge): + * 0-100: valid + * -1: Unknown + * 7) Remaining battery life (time units): + * Number of remaining minutes or seconds + * -1: Unknown + * 8) min = minutes; sec = seconds + */ +static int apm_get_info(char *buf, char **start, off_t fpos, int length) +{ + struct apm_power_info info; + char *units; + int ret; + + info.ac_line_status = 0xff; + info.battery_status = 0xff; + info.battery_flag = 0xff; + info.battery_life = -1; + info.time = -1; + info.units = -1; + + if (apm_get_power_status) + apm_get_power_status(&info); + + switch (info.units) { + default: units = "?"; break; + case 0: units = "min"; break; + case 1: units = "sec"; break; + } + + ret = sprintf(buf, "%s 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", + driver_version, APM_32_BIT_SUPPORT, + info.ac_line_status, info.battery_status, + info.battery_flag, info.battery_life, + info.time, units); + + return ret; +} +#endif + +static int kapmd(void *arg) +{ + do { + apm_event_t event; + int ret; + + wait_event_interruptible(kapmd_wait, + !queue_empty(&kapmd_queue) || kthread_should_stop()); + + if (kthread_should_stop()) + break; + + spin_lock_irq(&kapmd_queue_lock); + event = 0; + if (!queue_empty(&kapmd_queue)) + event = queue_get_event(&kapmd_queue); + spin_unlock_irq(&kapmd_queue_lock); + + switch (event) { + case 0: + break; + + case APM_LOW_BATTERY: + case APM_POWER_STATUS_CHANGE: + queue_event(event); + break; + + case APM_USER_SUSPEND: + case APM_SYS_SUSPEND: + ret = queue_suspend_event(event, NULL); + if (ret < 0) { + /* + * We were busy. Try again in 50ms. + */ + queue_add_event(&kapmd_queue, event); + msleep(50); + } + if (ret > 0) + apm_suspend(); + break; + + case APM_CRITICAL_SUSPEND: + apm_suspend(); + break; + } + } while (1); + + return 0; +} + +static int __init apm_init(void) +{ + int ret; + + if (apm_disabled) { + printk(KERN_NOTICE "apm: disabled on user request.\n"); + return -ENODEV; + } + + kapmd_tsk = kthread_create(kapmd, NULL, "kapmd"); + if (IS_ERR(kapmd_tsk)) { + ret = PTR_ERR(kapmd_tsk); + kapmd_tsk = NULL; + return ret; + } + kapmd_tsk->flags |= PF_NOFREEZE; + wake_up_process(kapmd_tsk); + +#ifdef CONFIG_PROC_FS + create_proc_info_entry("apm", 0, NULL, apm_get_info); +#endif + + ret = misc_register(&apm_device); + if (ret != 0) { + remove_proc_entry("apm", NULL); + kthread_stop(kapmd_tsk); + } + + return ret; +} + +static void __exit apm_exit(void) +{ + misc_deregister(&apm_device); + remove_proc_entry("apm", NULL); + + kthread_stop(kapmd_tsk); +} + +module_init(apm_init); +module_exit(apm_exit); + +MODULE_AUTHOR("Stephen Rothwell"); +MODULE_DESCRIPTION("Advanced Power Management"); +MODULE_LICENSE("GPL"); + +#ifndef MODULE +static int __init apm_setup(char *str) +{ + while ((str != NULL) && (*str != '\0')) { + if (strncmp(str, "off", 3) == 0) + apm_disabled = 1; + if (strncmp(str, "on", 2) == 0) + apm_disabled = 0; + str = strchr(str, ','); + if (str != NULL) + str += strspn(str, ", \t"); + } + return 1; +} + +__setup("apm=", apm_setup); +#endif + +/** + * apm_queue_event - queue an APM event for kapmd + * @event: APM event + * + * Queue an APM event for kapmd to process and ultimately take the + * appropriate action. Only a subset of events are handled: + * %APM_LOW_BATTERY + * %APM_POWER_STATUS_CHANGE + * %APM_USER_SUSPEND + * %APM_SYS_SUSPEND + * %APM_CRITICAL_SUSPEND + */ +void apm_queue_event(apm_event_t event) +{ + unsigned long flags; + + spin_lock_irqsave(&kapmd_queue_lock, flags); + queue_add_event(&kapmd_queue, event); + spin_unlock_irqrestore(&kapmd_queue_lock, flags); + + wake_up_interruptible(&kapmd_wait); +} +EXPORT_SYMBOL(apm_queue_event); diff --git a/drivers/char/consolemap.c b/drivers/char/consolemap.c index 04a12027a74..b99b7561260 100644 --- a/drivers/char/consolemap.c +++ b/drivers/char/consolemap.c @@ -443,7 +443,7 @@ int con_clear_unimap(struct vc_data *vc, struct unimapinit *ui) p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc; if (p && p->readonly) return -EIO; if (!p || --p->refcount) { - q = (struct uni_pagedir *)kmalloc(sizeof(*p), GFP_KERNEL); + q = kmalloc(sizeof(*p), GFP_KERNEL); if (!q) { if (p) p->refcount++; return -ENOMEM; diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c index 8ce3f34cfc2..c02d9e99e05 100644 --- a/drivers/char/cs5535_gpio.c +++ b/drivers/char/cs5535_gpio.c @@ -82,7 +82,7 @@ static inline u32 cs5535_lowhigh_base(int reg) static ssize_t cs5535_gpio_write(struct file *file, const char __user *data, size_t len, loff_t *ppos) { - u32 m = iminor(file->f_dentry->d_inode); + u32 m = iminor(file->f_path.dentry->d_inode); int i, j; u32 base = gpio_base + cs5535_lowhigh_base(m); u32 m0, m1; @@ -117,7 +117,7 @@ static ssize_t cs5535_gpio_write(struct file *file, const char __user *data, static ssize_t cs5535_gpio_read(struct file *file, char __user *buf, size_t len, loff_t *ppos) { - u32 m = iminor(file->f_dentry->d_inode); + u32 m = iminor(file->f_path.dentry->d_inode); u32 base = gpio_base + cs5535_lowhigh_base(m); int rd_bit = 1 << (m & 0x0f); int i; diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index acb2de5e3a9..3ffa0807754 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -1,8 +1,6 @@ #undef BLOCKMOVE #define Z_WAKE #undef Z_EXT_CHARS_IN_BUFFER -static char rcsid[] = -"$Revision: 2.3.2.20 $$Date: 2004/02/25 18:14:16 $"; /* * linux/drivers/char/cyclades.c @@ -593,18 +591,20 @@ static char rcsid[] = * */ +#define CY_VERSION "2.4" + /* If you need to install more boards than NR_CARDS, change the constant in the definition below. No other change is necessary to support up to eight boards. Beyond that you'll have to extend cy_isa_addresses. */ -#define NR_CARDS 4 +#define NR_CARDS 4 /* If the total number of ports is larger than NR_PORTS, change this constant in the definition below. No other change is necessary to support more boards/ports. */ -#define NR_PORTS 256 +#define NR_PORTS 256 #define ZE_V1_NPORTS 64 #define ZO_V1 0 @@ -625,9 +625,9 @@ static char rcsid[] = #undef CY_PCI_DEBUG #if 0 -#define PAUSE __asm__("nop"); +#define PAUSE __asm__("nop") #else -#define PAUSE ; +#define PAUSE do {} while (0) #endif /* @@ -663,7 +663,7 @@ static char rcsid[] = do { \ spin_lock_irqsave(&cy_card[info->card].card_lock, flags); \ } while (0) - + #define CY_UNLOCK(info,flags) \ do { \ spin_unlock_irqrestore(&cy_card[info->card].card_lock, flags); \ @@ -676,14 +676,14 @@ static char rcsid[] = #include <linux/stat.h> #include <linux/proc_fs.h> -static void cy_throttle (struct tty_struct *tty); -static void cy_send_xchar (struct tty_struct *tty, char ch); +static void cy_throttle(struct tty_struct *tty); +static void cy_send_xchar(struct tty_struct *tty, char ch); #define IS_CYC_Z(card) ((card).num_chips == -1) #define Z_FPGA_CHECK(card) \ - ((cy_readl(&((struct RUNTIME_9060 __iomem *) \ - ((card).ctl_addr))->init_ctrl) & (1<<17)) != 0) + ((cy_readl(&((struct RUNTIME_9060 __iomem *) \ + ((card).ctl_addr))->init_ctrl) & (1<<17)) != 0) #define ISZLOADED(card) (((ZO_V1==cy_readl(&((struct RUNTIME_9060 __iomem *) \ ((card).ctl_addr))->mail_box_0)) || \ @@ -698,8 +698,6 @@ static void cy_send_xchar (struct tty_struct *tty, char ch); #define STD_COM_FLAGS (0) -#define JIFFIES_DIFF(n, j) ((j) - (n)) - static struct tty_driver *cy_serial_driver; #ifdef CONFIG_ISA @@ -713,27 +711,28 @@ static struct tty_driver *cy_serial_driver; */ static unsigned int cy_isa_addresses[] = { - 0xD0000, - 0xD2000, - 0xD4000, - 0xD6000, - 0xD8000, - 0xDA000, - 0xDC000, - 0xDE000, - 0,0,0,0,0,0,0,0 + 0xD0000, + 0xD2000, + 0xD4000, + 0xD6000, + 0xD8000, + 0xDA000, + 0xDC000, + 0xDE000, + 0, 0, 0, 0, 0, 0, 0, 0 }; + #define NR_ISA_ADDRS ARRAY_SIZE(cy_isa_addresses) #ifdef MODULE static long maddr[NR_CARDS] = { 0, }; -static int irq[NR_CARDS] = { 0, }; +static int irq[NR_CARDS] = { 0, }; module_param_array(maddr, long, NULL, 0); module_param_array(irq, int, NULL, 0); #endif -#endif /* CONFIG_ISA */ +#endif /* CONFIG_ISA */ /* This is the per-card data structure containing address, irq, number of channels, etc. This driver supports a maximum of NR_CARDS cards. @@ -745,7 +744,7 @@ static struct cyclades_card cy_card[NR_CARDS]; */ static struct cyclades_port cy_port[NR_PORTS]; -static int cy_next_channel; /* next minor available */ +static int cy_next_channel; /* next minor available */ /* * This is used to look up the divisor speeds and the timeouts @@ -757,36 +756,42 @@ static int cy_next_channel; /* next minor available */ * 20 */ static int baud_table[] = { - 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, - 1800, 2400, 4800, 9600, 19200, 38400, 57600, 76800,115200,150000, - 230400, 0}; - -static char baud_co_25[] = { /* 25 MHz clock option table */ - /* value => 00 01 02 03 04 */ - /* divide by 8 32 128 512 2048 */ - 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x02, - 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; - -static char baud_bpr_25[] = { /* 25 MHz baud rate period table */ - 0x00, 0xf5, 0xa3, 0x6f, 0x5c, 0x51, 0xf5, 0xa3, 0x51, 0xa3, - 0x6d, 0x51, 0xa3, 0x51, 0xa3, 0x51, 0x36, 0x29, 0x1b, 0x15}; - -static char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */ - /* value => 00 01 02 03 04 */ - /* divide by 8 32 128 512 2048 */ - 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, - 0x03, 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00}; - -static char baud_bpr_60[] = { /* 60 MHz baud rate period table (CD1400 J) */ - 0x00, 0x82, 0x21, 0xff, 0xdb, 0xc3, 0x92, 0x62, 0xc3, 0x62, - 0x41, 0xc3, 0x62, 0xc3, 0x62, 0xc3, 0x82, 0x62, 0x41, 0x32, - 0x21}; - -static char baud_cor3[] = { /* receive threshold */ - 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, - 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x08, 0x08, 0x07, - 0x07}; + 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, + 1800, 2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200, 150000, + 230400, 0 +}; + +static char baud_co_25[] = { /* 25 MHz clock option table */ + /* value => 00 01 02 03 04 */ + /* divide by 8 32 128 512 2048 */ + 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x02, + 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +static char baud_bpr_25[] = { /* 25 MHz baud rate period table */ + 0x00, 0xf5, 0xa3, 0x6f, 0x5c, 0x51, 0xf5, 0xa3, 0x51, 0xa3, + 0x6d, 0x51, 0xa3, 0x51, 0xa3, 0x51, 0x36, 0x29, 0x1b, 0x15 +}; + +static char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */ + /* value => 00 01 02 03 04 */ + /* divide by 8 32 128 512 2048 */ + 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, + 0x03, 0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00 +}; + +static char baud_bpr_60[] = { /* 60 MHz baud rate period table (CD1400 J) */ + 0x00, 0x82, 0x21, 0xff, 0xdb, 0xc3, 0x92, 0x62, 0xc3, 0x62, + 0x41, 0xc3, 0x62, 0xc3, 0x62, 0xc3, 0x82, 0x62, 0x41, 0x32, + 0x21 +}; + +static char baud_cor3[] = { /* receive threshold */ + 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, + 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x08, 0x08, 0x07, + 0x07 +}; /* * The Cyclades driver implements HW flow control as any serial driver. @@ -799,42 +804,42 @@ static char baud_cor3[] = { /* receive threshold */ * cables. */ -static char rflow_thr[] = { /* rflow threshold */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, - 0x0a}; +static char rflow_thr[] = { /* rflow threshold */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, + 0x0a +}; /* The Cyclom-Ye has placed the sequential chips in non-sequential * address order. This look-up table overcomes that problem. */ -static int cy_chip_offset [] = - { 0x0000, - 0x0400, - 0x0800, - 0x0C00, - 0x0200, - 0x0600, - 0x0A00, - 0x0E00 - }; +static int cy_chip_offset[] = { 0x0000, + 0x0400, + 0x0800, + 0x0C00, + 0x0200, + 0x0600, + 0x0A00, + 0x0E00 +}; /* PCI related definitions */ -static unsigned short cy_pci_nboard; -static unsigned short cy_isa_nboard; -static unsigned short cy_nboard; +static unsigned short cy_pci_nboard; +static unsigned short cy_isa_nboard; +static unsigned short cy_nboard; #ifdef CONFIG_PCI -static unsigned short cy_pci_dev_id[] = { - PCI_DEVICE_ID_CYCLOM_Y_Lo, /* PCI < 1Mb */ - PCI_DEVICE_ID_CYCLOM_Y_Hi, /* PCI > 1Mb */ - PCI_DEVICE_ID_CYCLOM_4Y_Lo, /* 4Y PCI < 1Mb */ - PCI_DEVICE_ID_CYCLOM_4Y_Hi, /* 4Y PCI > 1Mb */ - PCI_DEVICE_ID_CYCLOM_8Y_Lo, /* 8Y PCI < 1Mb */ - PCI_DEVICE_ID_CYCLOM_8Y_Hi, /* 8Y PCI > 1Mb */ - PCI_DEVICE_ID_CYCLOM_Z_Lo, /* Z PCI < 1Mb */ - PCI_DEVICE_ID_CYCLOM_Z_Hi, /* Z PCI > 1Mb */ - 0 /* end of table */ - }; +static unsigned short cy_pci_dev_id[] = { + PCI_DEVICE_ID_CYCLOM_Y_Lo, /* PCI < 1Mb */ + PCI_DEVICE_ID_CYCLOM_Y_Hi, /* PCI > 1Mb */ + PCI_DEVICE_ID_CYCLOM_4Y_Lo, /* 4Y PCI < 1Mb */ + PCI_DEVICE_ID_CYCLOM_4Y_Hi, /* 4Y PCI > 1Mb */ + PCI_DEVICE_ID_CYCLOM_8Y_Lo, /* 8Y PCI < 1Mb */ + PCI_DEVICE_ID_CYCLOM_8Y_Hi, /* 8Y PCI > 1Mb */ + PCI_DEVICE_ID_CYCLOM_Z_Lo, /* Z PCI < 1Mb */ + PCI_DEVICE_ID_CYCLOM_Z_Hi, /* Z PCI > 1Mb */ + 0 /* end of table */ +}; #endif static void cy_start(struct tty_struct *); @@ -842,9 +847,9 @@ static void set_line_char(struct cyclades_port *); static int cyz_issue_cmd(struct cyclades_card *, uclong, ucchar, uclong); #ifdef CONFIG_ISA static unsigned detect_isa_irq(void __iomem *); -#endif /* CONFIG_ISA */ +#endif /* CONFIG_ISA */ -static int cyclades_get_proc_info(char *, char **, off_t , int , int *, void *); +static int cyclades_get_proc_info(char *, char **, off_t, int, int *, void *); #ifndef CONFIG_CYZ_INTR static void cyz_poll(unsigned long); @@ -855,41 +860,36 @@ static long cyz_polling_cycle = CZ_DEF_POLL; static int cyz_timeron = 0; static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0); -#else /* CONFIG_CYZ_INTR */ +#else /* CONFIG_CYZ_INTR */ static void cyz_rx_restart(unsigned long); static struct timer_list cyz_rx_full_timer[NR_PORTS]; -#endif /* CONFIG_CYZ_INTR */ +#endif /* CONFIG_CYZ_INTR */ -static inline int -serial_paranoia_check(struct cyclades_port *info, - char *name, const char *routine) +static inline int serial_paranoia_check(struct cyclades_port *info, + char *name, const char *routine) { #ifdef SERIAL_PARANOIA_CHECK - static const char *badmagic = - "cyc Warning: bad magic number for serial struct (%s) in %s\n"; - static const char *badinfo = - "cyc Warning: null cyclades_port for (%s) in %s\n"; - static const char *badrange = - "cyc Warning: cyclades_port out of range for (%s) in %s\n"; - - if (!info) { - printk(badinfo, name, routine); - return 1; - } - - if( (long)info < (long)(&cy_port[0]) - || (long)(&cy_port[NR_PORTS]) < (long)info ){ - printk(badrange, name, routine); - return 1; - } - - if (info->magic != CYCLADES_MAGIC) { - printk(badmagic, name, routine); - return 1; - } + if (!info) { + printk("cyc Warning: null cyclades_port for (%s) in %s\n", + name, routine); + return 1; + } + + if ((long)info < (long)(&cy_port[0]) || + (long)(&cy_port[NR_PORTS]) < (long)info) { + printk("cyc Warning: cyclades_port out of range for (%s) in " + "%s\n", name, routine); + return 1; + } + + if (info->magic != CYCLADES_MAGIC) { + printk("cyc Warning: bad magic number for serial struct (%s) " + "in %s\n", name, routine); + return 1; + } #endif - return 0; -} /* serial_paranoia_check */ + return 0; +} /* serial_paranoia_check */ /* * This routine is used by the interrupt handler to schedule @@ -897,13 +897,11 @@ serial_paranoia_check(struct cyclades_port *info, * (also known as the "bottom half"). This can be called any * number of times for any channel without harm. */ -static inline void -cy_sched_event(struct cyclades_port *info, int event) +static inline void cy_sched_event(struct cyclades_port *info, int event) { - info->event |= 1 << event; /* remember what kind of event and who */ - schedule_work(&info->tqueue); -} /* cy_sched_event */ - + info->event |= 1 << event; /* remember what kind of event and who */ + schedule_work(&info->tqueue); +} /* cy_sched_event */ /* * This routine is used to handle the "bottom half" processing for the @@ -930,41 +928,36 @@ do_softint(struct work_struct *work) { struct cyclades_port *info = container_of(work, struct cyclades_port, tqueue); - struct tty_struct *tty; - - tty = info->tty; - if (!tty) - return; - - if (test_and_clear_bit(Cy_EVENT_HANGUP, &info->event)) { - tty_hangup(info->tty); - wake_up_interruptible(&info->open_wait); - info->flags &= ~ASYNC_NORMAL_ACTIVE; - } - if (test_and_clear_bit(Cy_EVENT_OPEN_WAKEUP, &info->event)) { - wake_up_interruptible(&info->open_wait); - } + struct tty_struct *tty; + + tty = info->tty; + if (!tty) + return; + + if (test_and_clear_bit(Cy_EVENT_HANGUP, &info->event)) { + tty_hangup(info->tty); + wake_up_interruptible(&info->open_wait); + info->flags &= ~ASYNC_NORMAL_ACTIVE; + } + if (test_and_clear_bit(Cy_EVENT_OPEN_WAKEUP, &info->event)) + wake_up_interruptible(&info->open_wait); #ifdef CONFIG_CYZ_INTR - if (test_and_clear_bit(Cy_EVENT_Z_RX_FULL, &info->event)) { - if (cyz_rx_full_timer[info->line].function == NULL) { - cyz_rx_full_timer[info->line].expires = jiffies + 1; - cyz_rx_full_timer[info->line].function = cyz_rx_restart; - cyz_rx_full_timer[info->line].data = (unsigned long)info; - add_timer(&cyz_rx_full_timer[info->line]); + if (test_and_clear_bit(Cy_EVENT_Z_RX_FULL, &info->event)) { + if (cyz_rx_full_timer[info->line].function == NULL) { + cyz_rx_full_timer[info->line].expires = jiffies + 1; + cyz_rx_full_timer[info->line].function = cyz_rx_restart; + cyz_rx_full_timer[info->line].data = + (unsigned long)info; + add_timer(&cyz_rx_full_timer[info->line]); + } } - } #endif - if (test_and_clear_bit(Cy_EVENT_DELTA_WAKEUP, &info->event)) { - wake_up_interruptible(&info->delta_msr_wait); - } - if (test_and_clear_bit(Cy_EVENT_WRITE_WAKEUP, &info->event)) { - tty_wakeup(tty); - wake_up_interruptible(&tty->write_wait); - } + if (test_and_clear_bit(Cy_EVENT_DELTA_WAKEUP, &info->event)) + wake_up_interruptible(&info->delta_msr_wait); + tty_wakeup(tty); #ifdef Z_WAKE - if (test_and_clear_bit(Cy_EVENT_SHUTDOWN_WAKEUP, &info->event)) { - wake_up_interruptible(&info->shutdown_wait); - } + if (test_and_clear_bit(Cy_EVENT_SHUTDOWN_WAKEUP, &info->event)) + wake_up_interruptible(&info->shutdown_wait); #endif } /* do_softint */ @@ -979,341 +972,339 @@ do_softint(struct work_struct *work) This function is only called from inside spinlock-protected code. */ -static int -cyy_issue_cmd(void __iomem *base_addr, u_char cmd, int index) +static int cyy_issue_cmd(void __iomem * base_addr, u_char cmd, int index) { - volatile int i; + volatile int i; - /* Check to see that the previous command has completed */ - for(i = 0 ; i < 100 ; i++){ - if (cy_readb(base_addr+(CyCCR<<index)) == 0){ - break; + /* Check to see that the previous command has completed */ + for (i = 0; i < 100; i++) { + if (cy_readb(base_addr + (CyCCR << index)) == 0) { + break; + } + udelay(10L); } - udelay(10L); - } - /* if the CCR never cleared, the previous command - didn't finish within the "reasonable time" */ - if (i == 100) return (-1); + /* if the CCR never cleared, the previous command + didn't finish within the "reasonable time" */ + if (i == 100) + return -1; - /* Issue the new command */ - cy_writeb(base_addr+(CyCCR<<index), cmd); + /* Issue the new command */ + cy_writeb(base_addr + (CyCCR << index), cmd); - return(0); -} /* cyy_issue_cmd */ + return 0; +} /* cyy_issue_cmd */ #ifdef CONFIG_ISA /* ISA interrupt detection code */ -static unsigned -detect_isa_irq(void __iomem *address) +static unsigned detect_isa_irq(void __iomem * address) { - int irq; - unsigned long irqs, flags; - int save_xir, save_car; - int index = 0; /* IRQ probing is only for ISA */ - - /* forget possible initially masked and pending IRQ */ - irq = probe_irq_off(probe_irq_on()); - - /* Clear interrupts on the board first */ - cy_writeb(address + (Cy_ClrIntr<<index), 0); - /* Cy_ClrIntr is 0x1800 */ - - irqs = probe_irq_on(); - /* Wait ... */ - udelay(5000L); - - /* Enable the Tx interrupts on the CD1400 */ - local_irq_save(flags); - cy_writeb(address + (CyCAR<<index), 0); - cyy_issue_cmd(address, CyCHAN_CTL|CyENB_XMTR, index); - - cy_writeb(address + (CyCAR<<index), 0); - cy_writeb(address + (CySRER<<index), - cy_readb(address + (CySRER<<index)) | CyTxRdy); - local_irq_restore(flags); - - /* Wait ... */ - udelay(5000L); - - /* Check which interrupt is in use */ - irq = probe_irq_off(irqs); - - /* Clean up */ - save_xir = (u_char) cy_readb(address + (CyTIR<<index)); - save_car = cy_readb(address + (CyCAR<<index)); - cy_writeb(address + (CyCAR<<index), (save_xir & 0x3)); - cy_writeb(address + (CySRER<<index), - cy_readb(address + (CySRER<<index)) & ~CyTxRdy); - cy_writeb(address + (CyTIR<<index), (save_xir & 0x3f)); - cy_writeb(address + (CyCAR<<index), (save_car)); - cy_writeb(address + (Cy_ClrIntr<<index), 0); - /* Cy_ClrIntr is 0x1800 */ - - return (irq > 0)? irq : 0; + int irq; + unsigned long irqs, flags; + int save_xir, save_car; + int index = 0; /* IRQ probing is only for ISA */ + + /* forget possible initially masked and pending IRQ */ + irq = probe_irq_off(probe_irq_on()); + + /* Clear interrupts on the board first */ + cy_writeb(address + (Cy_ClrIntr << index), 0); + /* Cy_ClrIntr is 0x1800 */ + + irqs = probe_irq_on(); + /* Wait ... */ + udelay(5000L); + + /* Enable the Tx interrupts on the CD1400 */ + local_irq_save(flags); + cy_writeb(address + (CyCAR << index), 0); + cyy_issue_cmd(address, CyCHAN_CTL | CyENB_XMTR, index); + + cy_writeb(address + (CyCAR << index), 0); + cy_writeb(address + (CySRER << index), + cy_readb(address + (CySRER << index)) | CyTxRdy); + local_irq_restore(flags); + + /* Wait ... */ + udelay(5000L); + + /* Check which interrupt is in use */ + irq = probe_irq_off(irqs); + + /* Clean up */ + save_xir = (u_char) cy_readb(address + (CyTIR << index)); + save_car = cy_readb(address + (CyCAR << index)); + cy_writeb(address + (CyCAR << index), (save_xir & 0x3)); + cy_writeb(address + (CySRER << index), + cy_readb(address + (CySRER << index)) & ~CyTxRdy); + cy_writeb(address + (CyTIR << index), (save_xir & 0x3f)); + cy_writeb(address + (CyCAR << index), (save_car)); + cy_writeb(address + (Cy_ClrIntr << index), 0); + /* Cy_ClrIntr is 0x1800 */ + + return (irq > 0) ? irq : 0; } -#endif /* CONFIG_ISA */ +#endif /* CONFIG_ISA */ -/* The real interrupt service routine is called - whenever the card wants its hand held--chars - received, out buffer empty, modem change, etc. - */ -static irqreturn_t -cyy_interrupt(int irq, void *dev_id) +static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, + void __iomem * base_addr, int status, int index) { - struct tty_struct *tty; - int status; - struct cyclades_card *cinfo; - struct cyclades_port *info; - void __iomem *base_addr, *card_base_addr; - int chip; - int save_xir, channel, save_car; - char data; - volatile int char_count; - int outch; - int i,j,index; - int too_many; - int had_work; - int mdm_change; - int mdm_status; - int len; - if((cinfo = (struct cyclades_card *)dev_id) == 0){ -#ifdef CY_DEBUG_INTERRUPTS - printk("cyy_interrupt: spurious interrupt %d\n\r", irq); -#endif - return IRQ_NONE; /* spurious interrupt */ - } - - card_base_addr = cinfo->base_addr; - index = cinfo->bus_index; - - - /* This loop checks all chips in the card. Make a note whenever - _any_ chip had some work to do, as this is considered an - indication that there will be more to do. Only when no chip - has any work does this outermost loop exit. - */ - do{ - had_work = 0; - for ( chip = 0 ; chip < cinfo->num_chips ; chip ++) { - base_addr = cinfo->base_addr + (cy_chip_offset[chip]<<index); - too_many = 0; - while ( (status = cy_readb(base_addr+(CySVRR<<index))) != 0x00) { - had_work++; - /* The purpose of the following test is to ensure that - no chip can monopolize the driver. This forces the - chips to be checked in a round-robin fashion (after - draining each of a bunch (1000) of characters). - */ - if(1000<too_many++){ - break; - } - if (status & CySRReceive) { /* reception interrupt */ + struct cyclades_port *info; + struct tty_struct *tty; + volatile int char_count; + int i, j, len, mdm_change, mdm_status, outch; + int save_xir, channel, save_car; + char data; + + if (status & CySRReceive) { /* reception interrupt */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyy_interrupt: rcvd intr, chip %d\n\r", chip); + printk("cyy_interrupt: rcvd intr, chip %d\n\r", chip); #endif - /* determine the channel & change to that context */ - spin_lock(&cinfo->card_lock); - save_xir = (u_char) cy_readb(base_addr+(CyRIR<<index)); - channel = (u_short ) (save_xir & CyIRChannel); - i = channel + chip * 4 + cinfo->first_line; - info = &cy_port[i]; - info->last_active = jiffies; - save_car = cy_readb(base_addr+(CyCAR<<index)); - cy_writeb(base_addr+(CyCAR<<index), save_xir); - - /* if there is nowhere to put the data, discard it */ - if(info->tty == 0){ - j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask); - if ( j == CyIVRRxEx ) { /* exception */ - data = cy_readb(base_addr+(CyRDSR<<index)); - } else { /* normal character reception */ - char_count = cy_readb(base_addr+(CyRDCR<<index)); - while(char_count--){ - data = cy_readb(base_addr+(CyRDSR<<index)); - } - } - }else{ /* there is an open port for this data */ - tty = info->tty; - j = (cy_readb(base_addr+(CyRIVR<<index)) & CyIVRMask); - if ( j == CyIVRRxEx ) { /* exception */ - data = cy_readb(base_addr+(CyRDSR<<index)); - - /* For statistics only */ - if (data & CyBREAK) - info->icount.brk++; - else if(data & CyFRAME) - info->icount.frame++; - else if(data & CyPARITY) - info->icount.parity++; - else if(data & CyOVERRUN) - info->icount.overrun++; - - if(data & info->ignore_status_mask){ - info->icount.rx++; - continue; - } - if (tty_buffer_request_room(tty, 1)) { - if (data & info->read_status_mask){ - if(data & CyBREAK){ - tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_BREAK); - info->icount.rx++; - if (info->flags & ASYNC_SAK){ - do_SAK(tty); - } - }else if(data & CyFRAME){ - tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME); - info->icount.rx++; - info->idle_stats.frame_errs++; - }else if(data & CyPARITY){ - /* Pieces of seven... */ - tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_PARITY); - info->icount.rx++; - info->idle_stats.parity_errs++; - }else if(data & CyOVERRUN){ - tty_insert_flip_char(tty, 0, TTY_OVERRUN); + /* determine the channel & change to that context */ + spin_lock(&cinfo->card_lock); + save_xir = (u_char) cy_readb(base_addr + (CyRIR << index)); + channel = (u_short) (save_xir & CyIRChannel); + i = channel + chip * 4 + cinfo->first_line; + info = &cy_port[i]; + info->last_active = jiffies; + save_car = cy_readb(base_addr + (CyCAR << index)); + cy_writeb(base_addr + (CyCAR << index), save_xir); + + /* if there is nowhere to put the data, discard it */ + if (info->tty == 0) { + j = (cy_readb(base_addr + (CyRIVR << index)) & + CyIVRMask); + if (j == CyIVRRxEx) { /* exception */ + data = cy_readb(base_addr + (CyRDSR << index)); + } else { /* normal character reception */ + char_count = cy_readb(base_addr + + (CyRDCR << index)); + while (char_count--) { + data = cy_readb(base_addr + + (CyRDSR << index)); + } + } + } else { /* there is an open port for this data */ + tty = info->tty; + j = (cy_readb(base_addr + (CyRIVR << index)) & + CyIVRMask); + if (j == CyIVRRxEx) { /* exception */ + data = cy_readb(base_addr + (CyRDSR << index)); + + /* For statistics only */ + if (data & CyBREAK) + info->icount.brk++; + else if (data & CyFRAME) + info->icount.frame++; + else if (data & CyPARITY) + info->icount.parity++; + else if (data & CyOVERRUN) + info->icount.overrun++; + + if (data & info->ignore_status_mask) { info->icount.rx++; - /* If the flip buffer itself is - overflowing, we still lose - the next incoming character. - */ - tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME); - info->icount.rx++; + return; + } + if (tty_buffer_request_room(tty, 1)) { + if (data & info->read_status_mask) { + if (data & CyBREAK) { + tty_insert_flip_char( + tty, + cy_readb( + base_addr + + (CyRDSR << + index)), + TTY_BREAK); + info->icount.rx++; + if (info->flags & + ASYNC_SAK) { + do_SAK(tty); + } + } else if (data & CyFRAME) { + tty_insert_flip_char( + tty, + cy_readb( + base_addr + + (CyRDSR << + index)), + TTY_FRAME); + info->icount.rx++; + info->idle_stats. + frame_errs++; + } else if (data & CyPARITY) { + /* Pieces of seven... */ + tty_insert_flip_char( + tty, + cy_readb( + base_addr + + (CyRDSR << + index)), + TTY_PARITY); + info->icount.rx++; + info->idle_stats. + parity_errs++; + } else if (data & CyOVERRUN) { + tty_insert_flip_char( + tty, 0, + TTY_OVERRUN); + info->icount.rx++; + /* If the flip buffer itself is + overflowing, we still lose + the next incoming character. + */ + tty_insert_flip_char( + tty, + cy_readb( + base_addr + + (CyRDSR << + index)), + TTY_FRAME); + info->icount.rx++; + info->idle_stats. + overruns++; + /* These two conditions may imply */ + /* a normal read should be done. */ + /* }else if(data & CyTIMEOUT){ */ + /* }else if(data & CySPECHAR){ */ + } else { + tty_insert_flip_char( + tty, 0, + TTY_NORMAL); + info->icount.rx++; + } + } else { + tty_insert_flip_char(tty, 0, + TTY_NORMAL); + info->icount.rx++; + } + } else { + /* there was a software buffer + overrun and nothing could be + done about it!!! */ + info->icount.buf_overrun++; info->idle_stats.overruns++; - /* These two conditions may imply */ - /* a normal read should be done. */ - /* }else if(data & CyTIMEOUT){ */ - /* }else if(data & CySPECHAR){ */ - }else { - tty_insert_flip_char(tty, 0, TTY_NORMAL); - info->icount.rx++; - } - }else{ - tty_insert_flip_char(tty, 0, TTY_NORMAL); - info->icount.rx++; - } - }else{ - /* there was a software buffer - overrun and nothing could be - done about it!!! */ - info->icount.buf_overrun++; - info->idle_stats.overruns++; - } - } else { /* normal character reception */ - /* load # chars available from the chip */ - char_count = cy_readb(base_addr+(CyRDCR<<index)); + } + } else { /* normal character reception */ + /* load # chars available from the chip */ + char_count = cy_readb(base_addr + + (CyRDCR << index)); #ifdef CY_ENABLE_MONITORING - ++info->mon.int_count; - info->mon.char_count += char_count; - if (char_count > info->mon.char_max) - info->mon.char_max = char_count; - info->mon.char_last = char_count; + ++info->mon.int_count; + info->mon.char_count += char_count; + if (char_count > info->mon.char_max) + info->mon.char_max = char_count; + info->mon.char_last = char_count; #endif - len = tty_buffer_request_room(tty, char_count); - while(len--){ - data = cy_readb(base_addr+(CyRDSR<<index)); - tty_insert_flip_char(tty, data, TTY_NORMAL); - info->idle_stats.recv_bytes++; - info->icount.rx++; + len = tty_buffer_request_room(tty, char_count); + while (len--) { + data = cy_readb(base_addr + + (CyRDSR << index)); + tty_insert_flip_char(tty, data, + TTY_NORMAL); + info->idle_stats.recv_bytes++; + info->icount.rx++; #ifdef CY_16Y_HACK - udelay(10L); + udelay(10L); #endif - } - info->idle_stats.recv_idle = jiffies; - } + } + info->idle_stats.recv_idle = jiffies; + } tty_schedule_flip(tty); - } - /* end of service */ - cy_writeb(base_addr+(CyRIR<<index), (save_xir & 0x3f)); - cy_writeb(base_addr+(CyCAR<<index), (save_car)); - spin_unlock(&cinfo->card_lock); - } - - - if (status & CySRTransmit) { /* transmission interrupt */ - /* Since we only get here when the transmit buffer - is empty, we know we can always stuff a dozen - characters. */ + } + /* end of service */ + cy_writeb(base_addr + (CyRIR << index), (save_xir & 0x3f)); + cy_writeb(base_addr + (CyCAR << index), (save_car)); + spin_unlock(&cinfo->card_lock); + } + + if (status & CySRTransmit) { /* transmission interrupt */ + /* Since we only get here when the transmit buffer + is empty, we know we can always stuff a dozen + characters. */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyy_interrupt: xmit intr, chip %d\n\r", chip); + printk("cyy_interrupt: xmit intr, chip %d\n\r", chip); #endif - /* determine the channel & change to that context */ - spin_lock(&cinfo->card_lock); - save_xir = (u_char) cy_readb(base_addr+(CyTIR<<index)); - channel = (u_short ) (save_xir & CyIRChannel); - i = channel + chip * 4 + cinfo->first_line; - save_car = cy_readb(base_addr+(CyCAR<<index)); - cy_writeb(base_addr+(CyCAR<<index), save_xir); - - /* validate the port# (as configured and open) */ - if( (i < 0) || (NR_PORTS <= i) ){ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy); - goto txend; - } - info = &cy_port[i]; - info->last_active = jiffies; - if(info->tty == 0){ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy); - goto txdone; - } - - /* load the on-chip space for outbound data */ - char_count = info->xmit_fifo_size; - - if(info->x_char) { /* send special char */ - outch = info->x_char; - cy_writeb(base_addr+(CyTDR<<index), outch); - char_count--; + /* determine the channel & change to that context */ + spin_lock(&cinfo->card_lock); + save_xir = (u_char) cy_readb(base_addr + (CyTIR << index)); + channel = (u_short) (save_xir & CyIRChannel); + i = channel + chip * 4 + cinfo->first_line; + save_car = cy_readb(base_addr + (CyCAR << index)); + cy_writeb(base_addr + (CyCAR << index), save_xir); + + /* validate the port# (as configured and open) */ + if ((i < 0) || (NR_PORTS <= i)) { + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index)) & + ~CyTxRdy); + goto txend; + } + info = &cy_port[i]; + info->last_active = jiffies; + if (info->tty == 0) { + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index)) & + ~CyTxRdy); + goto txdone; + } + + /* load the on-chip space for outbound data */ + char_count = info->xmit_fifo_size; + + if (info->x_char) { /* send special char */ + outch = info->x_char; + cy_writeb(base_addr + (CyTDR << index), outch); + char_count--; info->icount.tx++; - info->x_char = 0; - } + info->x_char = 0; + } - if (info->breakon || info->breakoff) { + if (info->breakon || info->breakoff) { if (info->breakon) { - cy_writeb(base_addr + (CyTDR<<index), 0); - cy_writeb(base_addr + (CyTDR<<index), 0x81); - info->breakon = 0; - char_count -= 2; + cy_writeb(base_addr + (CyTDR << index), 0); + cy_writeb(base_addr + (CyTDR << index), 0x81); + info->breakon = 0; + char_count -= 2; } if (info->breakoff) { - cy_writeb(base_addr + (CyTDR<<index), 0); - cy_writeb(base_addr + (CyTDR<<index), 0x83); - info->breakoff = 0; - char_count -= 2; + cy_writeb(base_addr + (CyTDR << index), 0); + cy_writeb(base_addr + (CyTDR << index), 0x83); + info->breakoff = 0; + char_count -= 2; } - } - - while (char_count-- > 0){ - if (!info->xmit_cnt){ - if (cy_readb(base_addr+(CySRER<<index))&CyTxMpty) { - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & - ~CyTxMpty); - } else { - cy_writeb(base_addr+(CySRER<<index), - ((cy_readb(base_addr+(CySRER<<index)) - & ~CyTxRdy) - | CyTxMpty)); - } - goto txdone; + } + + while (char_count-- > 0) { + if (!info->xmit_cnt) { + if (cy_readb(base_addr + (CySRER << index)) & + CyTxMpty) { + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + + (CySRER << index)) & + ~CyTxMpty); + } else { + cy_writeb(base_addr + (CySRER << index), + (cy_readb(base_addr + + (CySRER << index)) & + ~CyTxRdy) | CyTxMpty); + } + goto txdone; } - if (info->xmit_buf == 0){ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & + if (info->xmit_buf == 0) { + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index))& ~CyTxRdy); - goto txdone; + goto txdone; } - if (info->tty->stopped || info->tty->hw_stopped){ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & + if (info->tty->stopped || info->tty->hw_stopped) { + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index))& ~CyTxRdy); - goto txdone; + goto txdone; } - /* Because the Embedded Transmit Commands have - been enabled, we must check to see if the + /* Because the Embedded Transmit Commands have + been enabled, we must check to see if the escape character, NULL, is being sent. If it is, we must ensure that there is room for it to be doubled in the output stream. Therefore @@ -1322,125 +1313,182 @@ cyy_interrupt(int irq, void *dev_id) after the check for a NULL output character. This is necessary because there may not be room for the two chars needed to send a NULL.) - */ - outch = info->xmit_buf[info->xmit_tail]; - if( outch ){ - info->xmit_cnt--; - info->xmit_tail = (info->xmit_tail + 1) - & (SERIAL_XMIT_SIZE - 1); - cy_writeb(base_addr+(CyTDR<<index), outch); - info->icount.tx++; - }else{ - if(char_count > 1){ - info->xmit_cnt--; - info->xmit_tail = (info->xmit_tail + 1) - & (SERIAL_XMIT_SIZE - 1); - cy_writeb(base_addr+(CyTDR<<index), - outch); - cy_writeb(base_addr+(CyTDR<<index), 0); + */ + outch = info->xmit_buf[info->xmit_tail]; + if (outch) { + info->xmit_cnt--; + info->xmit_tail = (info->xmit_tail + 1) & + (SERIAL_XMIT_SIZE - 1); + cy_writeb(base_addr + (CyTDR << index), outch); info->icount.tx++; - char_count--; - }else{ - } - } - } - - txdone: - if (info->xmit_cnt < WAKEUP_CHARS) { - cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP); - } - txend: - /* end of service */ - cy_writeb(base_addr+(CyTIR<<index), - (save_xir & 0x3f)); - cy_writeb(base_addr+(CyCAR<<index), (save_car)); - spin_unlock(&cinfo->card_lock); - } - - if (status & CySRModem) { /* modem interrupt */ - - /* determine the channel & change to that context */ - spin_lock(&cinfo->card_lock); - save_xir = (u_char) cy_readb(base_addr+(CyMIR<<index)); - channel = (u_short ) (save_xir & CyIRChannel); - info = &cy_port[channel + chip * 4 - + cinfo->first_line]; - info->last_active = jiffies; - save_car = cy_readb(base_addr+(CyCAR<<index)); - cy_writeb(base_addr+(CyCAR<<index), save_xir); - - mdm_change = cy_readb(base_addr+(CyMISR<<index)); - mdm_status = cy_readb(base_addr+(CyMSVR1<<index)); - - if(info->tty == 0){/* no place for data, ignore it*/ - ; - }else{ + } else { + if (char_count > 1) { + info->xmit_cnt--; + info->xmit_tail = (info->xmit_tail + 1)& + (SERIAL_XMIT_SIZE - 1); + cy_writeb(base_addr + (CyTDR << index), + outch); + cy_writeb(base_addr + (CyTDR << index), + 0); + info->icount.tx++; + char_count--; + } else { + } + } + } + +txdone: + if (info->xmit_cnt < WAKEUP_CHARS) { + cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP); + } +txend: + /* end of service */ + cy_writeb(base_addr + (CyTIR << index), (save_xir & 0x3f)); + cy_writeb(base_addr + (CyCAR << index), (save_car)); + spin_unlock(&cinfo->card_lock); + } + + if (status & CySRModem) { /* modem interrupt */ + + /* determine the channel & change to that context */ + spin_lock(&cinfo->card_lock); + save_xir = (u_char) cy_readb(base_addr + (CyMIR << index)); + channel = (u_short) (save_xir & CyIRChannel); + info = &cy_port[channel + chip * 4 + cinfo->first_line]; + info->last_active = jiffies; + save_car = cy_readb(base_addr + (CyCAR << index)); + cy_writeb(base_addr + (CyCAR << index), save_xir); + + mdm_change = cy_readb(base_addr + (CyMISR << index)); + mdm_status = cy_readb(base_addr + (CyMSVR1 << index)); + + if (info->tty == 0) { /* no place for data, ignore it */ + ; + } else { if (mdm_change & CyANY_DELTA) { - /* For statistics only */ - if (mdm_change & CyDCD) info->icount.dcd++; - if (mdm_change & CyCTS) info->icount.cts++; - if (mdm_change & CyDSR) info->icount.dsr++; - if (mdm_change & CyRI) info->icount.rng++; + /* For statistics only */ + if (mdm_change & CyDCD) + info->icount.dcd++; + if (mdm_change & CyCTS) + info->icount.cts++; + if (mdm_change & CyDSR) + info->icount.dsr++; + if (mdm_change & CyRI) + info->icount.rng++; + + cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP); + } + + if ((mdm_change & CyDCD) && + (info->flags & ASYNC_CHECK_CD)) { + if (mdm_status & CyDCD) { + cy_sched_event(info, + Cy_EVENT_OPEN_WAKEUP); + } else { + cy_sched_event(info, Cy_EVENT_HANGUP); + } + } + if ((mdm_change & CyCTS) && + (info->flags & ASYNC_CTS_FLOW)) { + if (info->tty->hw_stopped) { + if (mdm_status & CyCTS) { + /* cy_start isn't used + because... !!! */ + info->tty->hw_stopped = 0; + cy_writeb(base_addr + + (CySRER << index), + cy_readb(base_addr + + (CySRER << + index))| + CyTxRdy); + cy_sched_event(info, + Cy_EVENT_WRITE_WAKEUP); + } + } else { + if (!(mdm_status & CyCTS)) { + /* cy_stop isn't used + because ... !!! */ + info->tty->hw_stopped = 1; + cy_writeb(base_addr + + (CySRER << index), + cy_readb(base_addr + + (CySRER << + index)) & + ~CyTxRdy); + } + } + } + if (mdm_change & CyDSR) { + } + if (mdm_change & CyRI) { + } + } + /* end of service */ + cy_writeb(base_addr + (CyMIR << index), (save_xir & 0x3f)); + cy_writeb(base_addr + (CyCAR << index), save_car); + spin_unlock(&cinfo->card_lock); + } +} + +/* The real interrupt service routine is called + whenever the card wants its hand held--chars + received, out buffer empty, modem change, etc. + */ +static irqreturn_t cyy_interrupt(int irq, void *dev_id) +{ + int status; + struct cyclades_card *cinfo; + void __iomem *base_addr, *card_base_addr; + int chip; + int index; + int too_many; + int had_work; + + if ((cinfo = (struct cyclades_card *)dev_id) == 0) { +#ifdef CY_DEBUG_INTERRUPTS + printk("cyy_interrupt: spurious interrupt %d\n\r", irq); +#endif + return IRQ_NONE; /* spurious interrupt */ + } + + card_base_addr = cinfo->base_addr; + index = cinfo->bus_index; - cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP); + /* This loop checks all chips in the card. Make a note whenever + _any_ chip had some work to do, as this is considered an + indication that there will be more to do. Only when no chip + has any work does this outermost loop exit. + */ + do { + had_work = 0; + for (chip = 0; chip < cinfo->num_chips; chip++) { + base_addr = cinfo->base_addr + + (cy_chip_offset[chip] << index); + too_many = 0; + while ((status = cy_readb(base_addr + + (CySVRR << index))) != 0x00) { + had_work++; + /* The purpose of the following test is to ensure that + no chip can monopolize the driver. This forces the + chips to be checked in a round-robin fashion (after + draining each of a bunch (1000) of characters). + */ + if (1000 < too_many++) { + break; + } + cyy_intr_chip(cinfo, chip, base_addr, status, + index); } + } + } while (had_work); - if((mdm_change & CyDCD) - && (info->flags & ASYNC_CHECK_CD)){ - if(mdm_status & CyDCD){ - cy_sched_event(info, - Cy_EVENT_OPEN_WAKEUP); - }else{ - cy_sched_event(info, - Cy_EVENT_HANGUP); - } - } - if((mdm_change & CyCTS) - && (info->flags & ASYNC_CTS_FLOW)){ - if(info->tty->hw_stopped){ - if(mdm_status & CyCTS){ - /* cy_start isn't used - because... !!! */ - info->tty->hw_stopped = 0; - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) | - CyTxRdy); - cy_sched_event(info, - Cy_EVENT_WRITE_WAKEUP); - } - }else{ - if(!(mdm_status & CyCTS)){ - /* cy_stop isn't used - because ... !!! */ - info->tty->hw_stopped = 1; - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & - ~CyTxRdy); - } - } - } - if(mdm_change & CyDSR){ - } - if(mdm_change & CyRI){ - } - } - /* end of service */ - cy_writeb(base_addr+(CyMIR<<index), - (save_xir & 0x3f)); - cy_writeb(base_addr+(CyCAR<<index), save_car); - spin_unlock(&cinfo->card_lock); - } - } /* end while status != 0 */ - } /* end loop for chips... */ - } while(had_work); - - /* clear interrupts */ - spin_lock(&cinfo->card_lock); - cy_writeb(card_base_addr + (Cy_ClrIntr<<index), 0); - /* Cy_ClrIntr is 0x1800 */ - spin_unlock(&cinfo->card_lock); - return IRQ_HANDLED; -} /* cyy_interrupt */ + /* clear interrupts */ + spin_lock(&cinfo->card_lock); + cy_writeb(card_base_addr + (Cy_ClrIntr << index), 0); + /* Cy_ClrIntr is 0x1800 */ + spin_unlock(&cinfo->card_lock); + return IRQ_HANDLED; +} /* cyy_interrupt */ /***********************************************************/ /********* End of block of Cyclom-Y specific code **********/ @@ -1448,643 +1496,655 @@ cyy_interrupt(int irq, void *dev_id) /***********************************************************/ static int -cyz_fetch_msg( struct cyclades_card *cinfo, - uclong *channel, ucchar *cmd, uclong *param) +cyz_fetch_msg(struct cyclades_card *cinfo, + uclong * channel, ucchar * cmd, uclong * param) { - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - unsigned long loc_doorbell; - - firm_id = cinfo->base_addr + ID_ADDRESS; - if (!ISZLOADED(*cinfo)){ - return (-1); - } - zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - - loc_doorbell = cy_readl(&((struct RUNTIME_9060 __iomem *) - (cinfo->ctl_addr))->loc_doorbell); - if (loc_doorbell){ - *cmd = (char)(0xff & loc_doorbell); - *channel = cy_readl(&board_ctrl->fwcmd_channel); - *param = (uclong)cy_readl(&board_ctrl->fwcmd_param); - cy_writel(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))->loc_doorbell, - 0xffffffff); - return 1; - } - return 0; -} /* cyz_fetch_msg */ + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + unsigned long loc_doorbell; + + firm_id = cinfo->base_addr + ID_ADDRESS; + if (!ISZLOADED(*cinfo)) { + return -1; + } + zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & + 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + + loc_doorbell = cy_readl(&((struct RUNTIME_9060 __iomem *) + (cinfo->ctl_addr))->loc_doorbell); + if (loc_doorbell) { + *cmd = (char)(0xff & loc_doorbell); + *channel = cy_readl(&board_ctrl->fwcmd_channel); + *param = (uclong) cy_readl(&board_ctrl->fwcmd_param); + cy_writel(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))-> + loc_doorbell, 0xffffffff); + return 1; + } + return 0; +} /* cyz_fetch_msg */ static int -cyz_issue_cmd( struct cyclades_card *cinfo, - uclong channel, ucchar cmd, uclong param) +cyz_issue_cmd(struct cyclades_card *cinfo, + uclong channel, ucchar cmd, uclong param) { - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - unsigned long __iomem *pci_doorbell; - int index; - - firm_id = cinfo->base_addr + ID_ADDRESS; - if (!ISZLOADED(*cinfo)){ - return (-1); - } - zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - - index = 0; - pci_doorbell = &((struct RUNTIME_9060 __iomem *) (cinfo->ctl_addr))->pci_doorbell; - while( (cy_readl(pci_doorbell) & 0xff) != 0){ - if (index++ == 1000){ - return((int)(cy_readl(pci_doorbell) & 0xff)); - } - udelay(50L); - } - cy_writel(&board_ctrl->hcmd_channel, channel); - cy_writel(&board_ctrl->hcmd_param , param); - cy_writel(pci_doorbell, (long)cmd); - - return(0); -} /* cyz_issue_cmd */ + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + unsigned long __iomem *pci_doorbell; + int index; + + firm_id = cinfo->base_addr + ID_ADDRESS; + if (!ISZLOADED(*cinfo)) { + return -1; + } + zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & + 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + + index = 0; + pci_doorbell = + &((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))->pci_doorbell; + while ((cy_readl(pci_doorbell) & 0xff) != 0) { + if (index++ == 1000) { + return (int)(cy_readl(pci_doorbell) & 0xff); + } + udelay(50L); + } + cy_writel(&board_ctrl->hcmd_channel, channel); + cy_writel(&board_ctrl->hcmd_param, param); + cy_writel(pci_doorbell, (long)cmd); + + return 0; +} /* cyz_issue_cmd */ static void cyz_handle_rx(struct cyclades_port *info, - volatile struct CH_CTRL __iomem *ch_ctrl, - volatile struct BUF_CTRL __iomem *buf_ctrl) + volatile struct CH_CTRL __iomem * ch_ctrl, + volatile struct BUF_CTRL __iomem * buf_ctrl) { - struct cyclades_card *cinfo = &cy_card[info->card]; - struct tty_struct *tty = info->tty; - volatile int char_count; - int len; + struct cyclades_card *cinfo = &cy_card[info->card]; + struct tty_struct *tty = info->tty; + volatile int char_count; + int len; #ifdef BLOCKMOVE - int small_count; + int small_count; #else - char data; + char data; #endif - volatile uclong rx_put, rx_get, new_rx_get, rx_bufsize, rx_bufaddr; + volatile uclong rx_put, rx_get, new_rx_get, rx_bufsize, rx_bufaddr; - rx_get = new_rx_get = cy_readl(&buf_ctrl->rx_get); - rx_put = cy_readl(&buf_ctrl->rx_put); - rx_bufsize = cy_readl(&buf_ctrl->rx_bufsize); - rx_bufaddr = cy_readl(&buf_ctrl->rx_bufaddr); - if (rx_put >= rx_get) - char_count = rx_put - rx_get; - else - char_count = rx_put - rx_get + rx_bufsize; + rx_get = new_rx_get = cy_readl(&buf_ctrl->rx_get); + rx_put = cy_readl(&buf_ctrl->rx_put); + rx_bufsize = cy_readl(&buf_ctrl->rx_bufsize); + rx_bufaddr = cy_readl(&buf_ctrl->rx_bufaddr); + if (rx_put >= rx_get) + char_count = rx_put - rx_get; + else + char_count = rx_put - rx_get + rx_bufsize; - if ( char_count ) { - info->last_active = jiffies; - info->jiffies[1] = jiffies; + if (char_count) { + info->last_active = jiffies; + info->jiffies[1] = jiffies; #ifdef CY_ENABLE_MONITORING - info->mon.int_count++; - info->mon.char_count += char_count; - if (char_count > info->mon.char_max) - info->mon.char_max = char_count; - info->mon.char_last = char_count; + info->mon.int_count++; + info->mon.char_count += char_count; + if (char_count > info->mon.char_max) + info->mon.char_max = char_count; + info->mon.char_last = char_count; #endif - if(tty == 0){ - /* flush received characters */ - new_rx_get = (new_rx_get + char_count) & (rx_bufsize - 1); - info->rflush_count++; - }else{ + if (tty == 0) { + /* flush received characters */ + new_rx_get = (new_rx_get + char_count) & + (rx_bufsize - 1); + info->rflush_count++; + } else { #ifdef BLOCKMOVE - /* we'd like to use memcpy(t, f, n) and memset(s, c, count) - for performance, but because of buffer boundaries, there - may be several steps to the operation */ - while(0 < (small_count = - min_t(unsigned int, (rx_bufsize - new_rx_get), - min_t(unsigned int, (TTY_FLIPBUF_SIZE - tty->flip.count), char_count)) - )) { - memcpy_fromio(tty->flip.char_buf_ptr, - (char *)(cinfo->base_addr - + rx_bufaddr + new_rx_get), - small_count); - - tty->flip.char_buf_ptr += small_count; - memset(tty->flip.flag_buf_ptr, TTY_NORMAL, small_count); - tty->flip.flag_buf_ptr += small_count; - new_rx_get = (new_rx_get + small_count) & (rx_bufsize - 1); - char_count -= small_count; - info->icount.rx += small_count; - info->idle_stats.recv_bytes += small_count; - tty->flip.count += small_count; - } + /* we'd like to use memcpy(t, f, n) and memset(s, c, count) + for performance, but because of buffer boundaries, there + may be several steps to the operation */ + while (0 < (small_count = min_t(unsigned int, + rx_bufsize - new_rx_get, + min_t(unsigned int, TTY_FLIPBUF_SIZE - + tty->flip.count, char_count)))){ + memcpy_fromio(tty->flip.char_buf_ptr, + (char *)(cinfo->base_addr + rx_bufaddr + + new_rx_get), + small_count); + + tty->flip.char_buf_ptr += small_count; + memset(tty->flip.flag_buf_ptr, TTY_NORMAL, + small_count); + tty->flip.flag_buf_ptr += small_count; + new_rx_get = (new_rx_get + small_count) & + (rx_bufsize - 1); + char_count -= small_count; + info->icount.rx += small_count; + info->idle_stats.recv_bytes += small_count; + tty->flip.count += small_count; + } #else - len = tty_buffer_request_room(tty, char_count); - while(len--){ - data = cy_readb(cinfo->base_addr + rx_bufaddr + new_rx_get); - new_rx_get = (new_rx_get + 1) & (rx_bufsize - 1); - tty_insert_flip_char(tty, data, TTY_NORMAL); - info->idle_stats.recv_bytes++; - info->icount.rx++; - } + len = tty_buffer_request_room(tty, char_count); + while (len--) { + data = cy_readb(cinfo->base_addr + rx_bufaddr + + new_rx_get); + new_rx_get = (new_rx_get + 1)& (rx_bufsize - 1); + tty_insert_flip_char(tty, data, TTY_NORMAL); + info->idle_stats.recv_bytes++; + info->icount.rx++; + } #endif #ifdef CONFIG_CYZ_INTR - /* Recalculate the number of chars in the RX buffer and issue - a cmd in case it's higher than the RX high water mark */ - rx_put = cy_readl(&buf_ctrl->rx_put); - if (rx_put >= rx_get) - char_count = rx_put - rx_get; - else - char_count = rx_put - rx_get + rx_bufsize; - if(char_count >= cy_readl(&buf_ctrl->rx_threshold)) { - cy_sched_event(info, Cy_EVENT_Z_RX_FULL); - } + /* Recalculate the number of chars in the RX buffer and issue + a cmd in case it's higher than the RX high water mark */ + rx_put = cy_readl(&buf_ctrl->rx_put); + if (rx_put >= rx_get) + char_count = rx_put - rx_get; + else + char_count = rx_put - rx_get + rx_bufsize; + if (char_count >= (int)cy_readl(&buf_ctrl-> + rx_threshold)) { + cy_sched_event(info, Cy_EVENT_Z_RX_FULL); + } #endif - info->idle_stats.recv_idle = jiffies; - tty_schedule_flip(tty); + info->idle_stats.recv_idle = jiffies; + tty_schedule_flip(tty); + } + /* Update rx_get */ + cy_writel(&buf_ctrl->rx_get, new_rx_get); } - /* Update rx_get */ - cy_writel(&buf_ctrl->rx_get, new_rx_get); - } } static void cyz_handle_tx(struct cyclades_port *info, - volatile struct CH_CTRL __iomem *ch_ctrl, - volatile struct BUF_CTRL __iomem *buf_ctrl) + volatile struct CH_CTRL __iomem * ch_ctrl, + volatile struct BUF_CTRL __iomem * buf_ctrl) { - struct cyclades_card *cinfo = &cy_card[info->card]; - struct tty_struct *tty = info->tty; - char data; - volatile int char_count; + struct cyclades_card *cinfo = &cy_card[info->card]; + struct tty_struct *tty = info->tty; + char data; + volatile int char_count; #ifdef BLOCKMOVE - int small_count; + int small_count; #endif - volatile uclong tx_put, tx_get, tx_bufsize, tx_bufaddr; + volatile uclong tx_put, tx_get, tx_bufsize, tx_bufaddr; - if (info->xmit_cnt <= 0) /* Nothing to transmit */ - return; + if (info->xmit_cnt <= 0) /* Nothing to transmit */ + return; - tx_get = cy_readl(&buf_ctrl->tx_get); - tx_put = cy_readl(&buf_ctrl->tx_put); - tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize); - tx_bufaddr = cy_readl(&buf_ctrl->tx_bufaddr); - if (tx_put >= tx_get) - char_count = tx_get - tx_put - 1 + tx_bufsize; - else - char_count = tx_get - tx_put - 1; + tx_get = cy_readl(&buf_ctrl->tx_get); + tx_put = cy_readl(&buf_ctrl->tx_put); + tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize); + tx_bufaddr = cy_readl(&buf_ctrl->tx_bufaddr); + if (tx_put >= tx_get) + char_count = tx_get - tx_put - 1 + tx_bufsize; + else + char_count = tx_get - tx_put - 1; - if ( char_count ) { + if (char_count) { - if( tty == 0 ){ - goto ztxdone; - } + if (tty == 0) { + goto ztxdone; + } - if(info->x_char) { /* send special char */ - data = info->x_char; + if (info->x_char) { /* send special char */ + data = info->x_char; - cy_writeb((cinfo->base_addr + tx_bufaddr + tx_put), data); - tx_put = (tx_put + 1) & (tx_bufsize - 1); - info->x_char = 0; - char_count--; - info->icount.tx++; - info->last_active = jiffies; - info->jiffies[2] = jiffies; - } + cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data); + tx_put = (tx_put + 1) & (tx_bufsize - 1); + info->x_char = 0; + char_count--; + info->icount.tx++; + info->last_active = jiffies; + info->jiffies[2] = jiffies; + } #ifdef BLOCKMOVE - while(0 < (small_count = - min_t(unsigned int, (tx_bufsize - tx_put), - min_t(unsigned int, (SERIAL_XMIT_SIZE - info->xmit_tail), - min_t(unsigned int, info->xmit_cnt, char_count))))) { - - memcpy_toio((char *)(cinfo->base_addr + tx_bufaddr + tx_put), - &info->xmit_buf[info->xmit_tail], - small_count); - - tx_put = (tx_put + small_count) & (tx_bufsize - 1); - char_count -= small_count; - info->icount.tx += small_count; - info->xmit_cnt -= small_count; - info->xmit_tail = - (info->xmit_tail + small_count) & (SERIAL_XMIT_SIZE - 1); - info->last_active = jiffies; - info->jiffies[2] = jiffies; - } + while (0 < (small_count = min_t(unsigned int, + tx_bufsize - tx_put, min_t(unsigned int, + (SERIAL_XMIT_SIZE - info->xmit_tail), + min_t(unsigned int, info->xmit_cnt, + char_count))))) { + + memcpy_toio((char *)(cinfo->base_addr + tx_bufaddr + + tx_put), + &info->xmit_buf[info->xmit_tail], + small_count); + + tx_put = (tx_put + small_count) & (tx_bufsize - 1); + char_count -= small_count; + info->icount.tx += small_count; + info->xmit_cnt -= small_count; + info->xmit_tail = (info->xmit_tail + small_count) & + (SERIAL_XMIT_SIZE - 1); + info->last_active = jiffies; + info->jiffies[2] = jiffies; + } #else - while (info->xmit_cnt && char_count){ - data = info->xmit_buf[info->xmit_tail]; - info->xmit_cnt--; - info->xmit_tail = (info->xmit_tail + 1) & (SERIAL_XMIT_SIZE - 1); - - cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data); - tx_put = (tx_put + 1) & (tx_bufsize - 1); - char_count--; - info->icount.tx++; - info->last_active = jiffies; - info->jiffies[2] = jiffies; - } + while (info->xmit_cnt && char_count) { + data = info->xmit_buf[info->xmit_tail]; + info->xmit_cnt--; + info->xmit_tail = (info->xmit_tail + 1) & + (SERIAL_XMIT_SIZE - 1); + + cy_writeb(cinfo->base_addr + tx_bufaddr + tx_put, data); + tx_put = (tx_put + 1) & (tx_bufsize - 1); + char_count--; + info->icount.tx++; + info->last_active = jiffies; + info->jiffies[2] = jiffies; + } #endif - ztxdone: - if (info->xmit_cnt < WAKEUP_CHARS) { - cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP); +ztxdone: + if (info->xmit_cnt < WAKEUP_CHARS) { + cy_sched_event(info, Cy_EVENT_WRITE_WAKEUP); + } + /* Update tx_put */ + cy_writel(&buf_ctrl->tx_put, tx_put); } - /* Update tx_put */ - cy_writel(&buf_ctrl->tx_put, tx_put); - } } -static void -cyz_handle_cmd(struct cyclades_card *cinfo) +static void cyz_handle_cmd(struct cyclades_card *cinfo) { - struct tty_struct *tty; - struct cyclades_port *info; - static volatile struct FIRM_ID __iomem *firm_id; - static volatile struct ZFW_CTRL __iomem *zfw_ctrl; - static volatile struct BOARD_CTRL __iomem *board_ctrl; - static volatile struct CH_CTRL __iomem *ch_ctrl; - static volatile struct BUF_CTRL __iomem *buf_ctrl; - uclong channel; - ucchar cmd; - uclong param; - uclong hw_ver, fw_ver; - int special_count; - int delta_count; - - firm_id = cinfo->base_addr + ID_ADDRESS; - zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - fw_ver = cy_readl(&board_ctrl->fw_version); - hw_ver = cy_readl(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))->mail_box_0); - - - while(cyz_fetch_msg(cinfo, &channel, &cmd, ¶m) == 1) { - special_count = 0; - delta_count = 0; - info = &cy_port[channel + cinfo->first_line]; - if((tty = info->tty) == 0) { - continue; - } - ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); - buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]); - - switch(cmd) { - case C_CM_PR_ERROR: - tty_insert_flip_char(tty, 0, TTY_PARITY); - info->icount.rx++; - special_count++; - break; - case C_CM_FR_ERROR: - tty_insert_flip_char(tty, 0, TTY_FRAME); - info->icount.rx++; - special_count++; - break; - case C_CM_RXBRK: - tty_insert_flip_char(tty, 0, TTY_BREAK); - info->icount.rx++; - special_count++; - break; - case C_CM_MDCD: - info->icount.dcd++; - delta_count++; - if (info->flags & ASYNC_CHECK_CD){ - if ((fw_ver > 241 ? - ((u_long)param) : - cy_readl(&ch_ctrl->rs_status)) & C_RS_DCD) { - cy_sched_event(info, Cy_EVENT_OPEN_WAKEUP); - }else{ - cy_sched_event(info, Cy_EVENT_HANGUP); - } + struct tty_struct *tty; + struct cyclades_port *info; + static volatile struct FIRM_ID __iomem *firm_id; + static volatile struct ZFW_CTRL __iomem *zfw_ctrl; + static volatile struct BOARD_CTRL __iomem *board_ctrl; + static volatile struct CH_CTRL __iomem *ch_ctrl; + static volatile struct BUF_CTRL __iomem *buf_ctrl; + uclong channel; + ucchar cmd; + uclong param; + uclong hw_ver, fw_ver; + int special_count; + int delta_count; + + firm_id = cinfo->base_addr + ID_ADDRESS; + zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & + 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + fw_ver = cy_readl(&board_ctrl->fw_version); + hw_ver = cy_readl(&((struct RUNTIME_9060 __iomem *)(cinfo->ctl_addr))-> + mail_box_0); + + while (cyz_fetch_msg(cinfo, &channel, &cmd, ¶m) == 1) { + special_count = 0; + delta_count = 0; + info = &cy_port[channel + cinfo->first_line]; + if ((tty = info->tty) == 0) { + continue; } - break; - case C_CM_MCTS: - info->icount.cts++; - delta_count++; - break; - case C_CM_MRI: - info->icount.rng++; - delta_count++; - break; - case C_CM_MDSR: - info->icount.dsr++; - delta_count++; - break; + ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); + buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]); + + switch (cmd) { + case C_CM_PR_ERROR: + tty_insert_flip_char(tty, 0, TTY_PARITY); + info->icount.rx++; + special_count++; + break; + case C_CM_FR_ERROR: + tty_insert_flip_char(tty, 0, TTY_FRAME); + info->icount.rx++; + special_count++; + break; + case C_CM_RXBRK: + tty_insert_flip_char(tty, 0, TTY_BREAK); + info->icount.rx++; + special_count++; + break; + case C_CM_MDCD: + info->icount.dcd++; + delta_count++; + if (info->flags & ASYNC_CHECK_CD) { + if ((fw_ver > 241 ? ((u_long) param) : + cy_readl(&ch_ctrl->rs_status)) & + C_RS_DCD) { + cy_sched_event(info, + Cy_EVENT_OPEN_WAKEUP); + } else { + cy_sched_event(info, Cy_EVENT_HANGUP); + } + } + break; + case C_CM_MCTS: + info->icount.cts++; + delta_count++; + break; + case C_CM_MRI: + info->icount.rng++; + delta_count++; + break; + case C_CM_MDSR: + info->icount.dsr++; + delta_count++; + break; #ifdef Z_WAKE - case C_CM_IOCTLW: - cy_sched_event(info, Cy_EVENT_SHUTDOWN_WAKEUP); - break; + case C_CM_IOCTLW: + cy_sched_event(info, Cy_EVENT_SHUTDOWN_WAKEUP); + break; #endif #ifdef CONFIG_CYZ_INTR - case C_CM_RXHIWM: - case C_CM_RXNNDT: - case C_CM_INTBACK2: - /* Reception Interrupt */ + case C_CM_RXHIWM: + case C_CM_RXNNDT: + case C_CM_INTBACK2: + /* Reception Interrupt */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: rcvd intr, card %d, port %ld\n\r", - info->card, channel); + printk("cyz_interrupt: rcvd intr, card %d, " + "port %ld\n\r", info->card, channel); #endif - cyz_handle_rx(info, ch_ctrl, buf_ctrl); - break; - case C_CM_TXBEMPTY: - case C_CM_TXLOWWM: - case C_CM_INTBACK: - /* Transmission Interrupt */ + cyz_handle_rx(info, ch_ctrl, buf_ctrl); + break; + case C_CM_TXBEMPTY: + case C_CM_TXLOWWM: + case C_CM_INTBACK: + /* Transmission Interrupt */ #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: xmit intr, card %d, port %ld\n\r", - info->card, channel); + printk("cyz_interrupt: xmit intr, card %d, " + "port %ld\n\r", info->card, channel); #endif - cyz_handle_tx(info, ch_ctrl, buf_ctrl); - break; -#endif /* CONFIG_CYZ_INTR */ - case C_CM_FATAL: - /* should do something with this !!! */ - break; - default: - break; + cyz_handle_tx(info, ch_ctrl, buf_ctrl); + break; +#endif /* CONFIG_CYZ_INTR */ + case C_CM_FATAL: + /* should do something with this !!! */ + break; + default: + break; + } + if (delta_count) + cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP); + if (special_count) + tty_schedule_flip(tty); } - if(delta_count) - cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP); - if(special_count) - tty_schedule_flip(tty); - } } #ifdef CONFIG_CYZ_INTR -static irqreturn_t -cyz_interrupt(int irq, void *dev_id) +static irqreturn_t cyz_interrupt(int irq, void *dev_id) { - struct cyclades_card *cinfo; + struct cyclades_card *cinfo; - if((cinfo = (struct cyclades_card *)dev_id) == 0){ + if ((cinfo = (struct cyclades_card *)dev_id) == 0) { #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: spurious interrupt %d\n\r", irq); + printk("cyz_interrupt: spurious interrupt %d\n\r", irq); #endif - return IRQ_NONE; /* spurious interrupt */ - } + return IRQ_NONE; /* spurious interrupt */ + } - if (!ISZLOADED(*cinfo)) { + if (!ISZLOADED(*cinfo)) { #ifdef CY_DEBUG_INTERRUPTS - printk("cyz_interrupt: board not yet loaded (IRQ%d).\n\r", irq); + printk("cyz_interrupt: board not yet loaded (IRQ%d).\n\r", irq); #endif - return IRQ_NONE; - } + return IRQ_NONE; + } - /* Handle the interrupts */ - cyz_handle_cmd(cinfo); + /* Handle the interrupts */ + cyz_handle_cmd(cinfo); - return IRQ_HANDLED; -} /* cyz_interrupt */ + return IRQ_HANDLED; +} /* cyz_interrupt */ -static void -cyz_rx_restart(unsigned long arg) +static void cyz_rx_restart(unsigned long arg) { - struct cyclades_port *info = (struct cyclades_port *)arg; - int retval; - int card = info->card; - uclong channel = (info->line) - (cy_card[card].first_line); - unsigned long flags; - - CY_LOCK(info, flags); - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK2, 0L); - if (retval != 0){ - printk("cyc:cyz_rx_restart retval on ttyC%d was %x\n", - info->line, retval); - } - cyz_rx_full_timer[info->line].function = NULL; - CY_UNLOCK(info, flags); + struct cyclades_port *info = (struct cyclades_port *)arg; + int retval; + int card = info->card; + uclong channel = (info->line) - (cy_card[card].first_line); + unsigned long flags; + + CY_LOCK(info, flags); + retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK2, 0L); + if (retval != 0) { + printk("cyc:cyz_rx_restart retval on ttyC%d was %x\n", + info->line, retval); + } + cyz_rx_full_timer[info->line].function = NULL; + CY_UNLOCK(info, flags); } -#else /* CONFIG_CYZ_INTR */ +#else /* CONFIG_CYZ_INTR */ -static void -cyz_poll(unsigned long arg) +static void cyz_poll(unsigned long arg) { - struct cyclades_card *cinfo; - struct cyclades_port *info; - struct tty_struct *tty; - static volatile struct FIRM_ID *firm_id; - static volatile struct ZFW_CTRL *zfw_ctrl; - static volatile struct BOARD_CTRL *board_ctrl; - static volatile struct CH_CTRL *ch_ctrl; - static volatile struct BUF_CTRL *buf_ctrl; - int card, port; - - cyz_timerlist.expires = jiffies + (HZ); - for (card = 0 ; card < NR_CARDS ; card++){ - cinfo = &cy_card[card]; - - if (!IS_CYC_Z(*cinfo)) continue; - if (!ISZLOADED(*cinfo)) continue; + struct cyclades_card *cinfo; + struct cyclades_port *info; + struct tty_struct *tty; + static volatile struct FIRM_ID *firm_id; + static volatile struct ZFW_CTRL *zfw_ctrl; + static volatile struct BOARD_CTRL *board_ctrl; + static volatile struct CH_CTRL *ch_ctrl; + static volatile struct BUF_CTRL *buf_ctrl; + int card, port; - firm_id = cinfo->base_addr + ID_ADDRESS; - zfw_ctrl = cinfo->base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &(zfw_ctrl->board_ctrl); + cyz_timerlist.expires = jiffies + (HZ); + for (card = 0; card < NR_CARDS; card++) { + cinfo = &cy_card[card]; + + if (!IS_CYC_Z(*cinfo)) + continue; + if (!ISZLOADED(*cinfo)) + continue; + + firm_id = cinfo->base_addr + ID_ADDRESS; + zfw_ctrl = cinfo->base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + board_ctrl = &(zfw_ctrl->board_ctrl); /* Skip first polling cycle to avoid racing conditions with the FW */ - if (!cinfo->intr_enabled) { - cinfo->nports = (int) cy_readl(&board_ctrl->n_channel); - cinfo->intr_enabled = 1; - continue; - } + if (!cinfo->intr_enabled) { + cinfo->nports = (int)cy_readl(&board_ctrl->n_channel); + cinfo->intr_enabled = 1; + continue; + } - cyz_handle_cmd(cinfo); + cyz_handle_cmd(cinfo); - for (port = 0 ; port < cinfo->nports ; port++) { - info = &cy_port[ port + cinfo->first_line ]; - tty = info->tty; - ch_ctrl = &(zfw_ctrl->ch_ctrl[port]); - buf_ctrl = &(zfw_ctrl->buf_ctrl[port]); + for (port = 0; port < cinfo->nports; port++) { + info = &cy_port[port + cinfo->first_line]; + tty = info->tty; + ch_ctrl = &(zfw_ctrl->ch_ctrl[port]); + buf_ctrl = &(zfw_ctrl->buf_ctrl[port]); - if (!info->throttle) - cyz_handle_rx(info, ch_ctrl, buf_ctrl); - cyz_handle_tx(info, ch_ctrl, buf_ctrl); + if (!info->throttle) + cyz_handle_rx(info, ch_ctrl, buf_ctrl); + cyz_handle_tx(info, ch_ctrl, buf_ctrl); + } + /* poll every 'cyz_polling_cycle' period */ + cyz_timerlist.expires = jiffies + cyz_polling_cycle; } - /* poll every 'cyz_polling_cycle' period */ - cyz_timerlist.expires = jiffies + cyz_polling_cycle; - } - add_timer(&cyz_timerlist); + add_timer(&cyz_timerlist); +} /* cyz_poll */ - return; -} /* cyz_poll */ - -#endif /* CONFIG_CYZ_INTR */ +#endif /* CONFIG_CYZ_INTR */ /********** End of block of Cyclades-Z specific code *********/ /***********************************************************/ - /* This is called whenever a port becomes active; interrupts are enabled and DTR & RTS are turned on. */ -static int -startup(struct cyclades_port * info) +static int startup(struct cyclades_port *info) { - unsigned long flags; - int retval = 0; - void __iomem *base_addr; - int card,chip,channel,index; - unsigned long page; + unsigned long flags; + int retval = 0; + void __iomem *base_addr; + int card, chip, channel, index; + unsigned long page; - card = info->card; - channel = (info->line) - (cy_card[card].first_line); + card = info->card; + channel = (info->line) - (cy_card[card].first_line); - page = get_zeroed_page(GFP_KERNEL); - if (!page) - return -ENOMEM; + page = get_zeroed_page(GFP_KERNEL); + if (!page) + return -ENOMEM; - CY_LOCK(info, flags); + CY_LOCK(info, flags); - if (info->flags & ASYNC_INITIALIZED){ - free_page(page); - goto errout; - } + if (info->flags & ASYNC_INITIALIZED) { + free_page(page); + goto errout; + } - if (!info->type){ - if (info->tty){ - set_bit(TTY_IO_ERROR, &info->tty->flags); - } - free_page(page); - goto errout; - } + if (!info->type) { + if (info->tty) { + set_bit(TTY_IO_ERROR, &info->tty->flags); + } + free_page(page); + goto errout; + } - if (info->xmit_buf) - free_page(page); - else - info->xmit_buf = (unsigned char *) page; + if (info->xmit_buf) + free_page(page); + else + info->xmit_buf = (unsigned char *)page; - CY_UNLOCK(info, flags); + CY_UNLOCK(info, flags); - set_line_char(info); + set_line_char(info); - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = cy_card[card].base_addr + + (cy_chip_offset[chip] << index); #ifdef CY_DEBUG_OPEN - printk("cyc startup card %d, chip %d, channel %d, base_addr %lx\n", - card, chip, channel, (long)base_addr);/**/ + printk("cyc startup card %d, chip %d, channel %d, " + "base_addr %lx\n", + card, chip, channel, (long)base_addr); + /**/ #endif + CY_LOCK(info, flags); - CY_LOCK(info, flags); - - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); + cy_writeb(base_addr + (CyCAR << index), (u_char) channel); - cy_writeb(base_addr+(CyRTPR<<index), (info->default_timeout - ? info->default_timeout : 0x02)); /* 10ms rx timeout */ + cy_writeb(base_addr + (CyRTPR << index), + (info->default_timeout ? info->default_timeout : 0x02)); + /* 10ms rx timeout */ - cyy_issue_cmd(base_addr,CyCHAN_CTL|CyENB_RCVR|CyENB_XMTR,index); + cyy_issue_cmd(base_addr, CyCHAN_CTL | CyENB_RCVR | CyENB_XMTR, + index); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - cy_writeb(base_addr+(CyMSVR1<<index), CyRTS); - cy_writeb(base_addr+(CyMSVR2<<index), CyDTR); + cy_writeb(base_addr + (CyCAR << index), (u_char) channel); + cy_writeb(base_addr + (CyMSVR1 << index), CyRTS); + cy_writeb(base_addr + (CyMSVR2 << index), CyDTR); #ifdef CY_DEBUG_DTR - printk("cyc:startup raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr+(CyMSVR1<<index)), - cy_readb(base_addr+(CyMSVR2<<index))); + printk("cyc:startup raising DTR\n"); + printk(" status: 0x%x, 0x%x\n", + cy_readb(base_addr + (CyMSVR1 << index)), + cy_readb(base_addr + (CyMSVR2 << index))); #endif - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) | CyRxData); - info->flags |= ASYNC_INITIALIZED; + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index)) | CyRxData); + info->flags |= ASYNC_INITIALIZED; - if (info->tty){ - clear_bit(TTY_IO_ERROR, &info->tty->flags); - } - info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; - info->breakon = info->breakoff = 0; - memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats)); - info->idle_stats.in_use = - info->idle_stats.recv_idle = - info->idle_stats.xmit_idle = jiffies; + if (info->tty) { + clear_bit(TTY_IO_ERROR, &info->tty->flags); + } + info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; + info->breakon = info->breakoff = 0; + memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats)); + info->idle_stats.in_use = + info->idle_stats.recv_idle = + info->idle_stats.xmit_idle = jiffies; - CY_UNLOCK(info, flags); + CY_UNLOCK(info, flags); - } else { - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - struct CH_CTRL __iomem *ch_ctrl; - int retval; + } else { + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + struct CH_CTRL __iomem *ch_ctrl; + int retval; - base_addr = cy_card[card].base_addr; + base_addr = cy_card[card].base_addr; - firm_id = base_addr + ID_ADDRESS; - if (!ISZLOADED(cy_card[card])){ - return -ENODEV; - } + firm_id = base_addr + ID_ADDRESS; + if (!ISZLOADED(cy_card[card])) { + return -ENODEV; + } - zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - ch_ctrl = zfw_ctrl->ch_ctrl; + zfw_ctrl = cy_card[card].base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + ch_ctrl = zfw_ctrl->ch_ctrl; #ifdef CY_DEBUG_OPEN - printk("cyc startup Z card %d, channel %d, base_addr %lx\n", - card, channel, (long)base_addr);/**/ + printk("cyc startup Z card %d, channel %d, base_addr %lx\n", + card, channel, (long)base_addr); + /**/ #endif + CY_LOCK(info, flags); - CY_LOCK(info, flags); - - cy_writel(&ch_ctrl[channel].op_mode, C_CH_ENABLE); + cy_writel(&ch_ctrl[channel].op_mode, C_CH_ENABLE); #ifdef Z_WAKE #ifdef CONFIG_CYZ_INTR - cy_writel(&ch_ctrl[channel].intr_enable, - C_IN_TXBEMPTY|C_IN_TXLOWWM|C_IN_RXHIWM|C_IN_RXNNDT| - C_IN_IOCTLW| - C_IN_MDCD); + cy_writel(&ch_ctrl[channel].intr_enable, + C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM | + C_IN_RXNNDT | C_IN_IOCTLW | C_IN_MDCD); #else - cy_writel(&ch_ctrl[channel].intr_enable, - C_IN_IOCTLW| - C_IN_MDCD); -#endif /* CONFIG_CYZ_INTR */ + cy_writel(&ch_ctrl[channel].intr_enable, + C_IN_IOCTLW | C_IN_MDCD); +#endif /* CONFIG_CYZ_INTR */ #else #ifdef CONFIG_CYZ_INTR - cy_writel(&ch_ctrl[channel].intr_enable, - C_IN_TXBEMPTY|C_IN_TXLOWWM|C_IN_RXHIWM|C_IN_RXNNDT| - C_IN_MDCD); + cy_writel(&ch_ctrl[channel].intr_enable, + C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM | + C_IN_RXNNDT | C_IN_MDCD); #else - cy_writel(&ch_ctrl[channel].intr_enable, - C_IN_MDCD); -#endif /* CONFIG_CYZ_INTR */ -#endif /* Z_WAKE */ - - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L); - if (retval != 0){ - printk("cyc:startup(1) retval on ttyC%d was %x\n", - info->line, retval); - } + cy_writel(&ch_ctrl[channel].intr_enable, C_IN_MDCD); +#endif /* CONFIG_CYZ_INTR */ +#endif /* Z_WAKE */ + + retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L); + if (retval != 0) { + printk("cyc:startup(1) retval on ttyC%d was %x\n", + info->line, retval); + } - /* Flush RX buffers before raising DTR and RTS */ - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_RX, 0L); - if (retval != 0){ - printk("cyc:startup(2) retval on ttyC%d was %x\n", - info->line, retval); - } + /* Flush RX buffers before raising DTR and RTS */ + retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_RX, + 0L); + if (retval != 0) { + printk("cyc:startup(2) retval on ttyC%d was %x\n", + info->line, retval); + } - /* set timeout !!! */ - /* set RTS and DTR !!! */ - cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel].rs_control) | C_RS_RTS | C_RS_DTR) ; - retval = cyz_issue_cmd(&cy_card[info->card], - channel, C_CM_IOCTLM, 0L); - if (retval != 0){ - printk("cyc:startup(3) retval on ttyC%d was %x\n", - info->line, retval); - } + /* set timeout !!! */ + /* set RTS and DTR !!! */ + cy_writel(&ch_ctrl[channel].rs_control, + cy_readl(&ch_ctrl[channel].rs_control) | C_RS_RTS | + C_RS_DTR); + retval = cyz_issue_cmd(&cy_card[info->card], channel, + C_CM_IOCTLM, 0L); + if (retval != 0) { + printk("cyc:startup(3) retval on ttyC%d was %x\n", + info->line, retval); + } #ifdef CY_DEBUG_DTR - printk("cyc:startup raising Z DTR\n"); + printk("cyc:startup raising Z DTR\n"); #endif - /* enable send, recv, modem !!! */ + /* enable send, recv, modem !!! */ - info->flags |= ASYNC_INITIALIZED; - if (info->tty){ - clear_bit(TTY_IO_ERROR, &info->tty->flags); - } - info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; - info->breakon = info->breakoff = 0; - memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats)); - info->idle_stats.in_use = - info->idle_stats.recv_idle = - info->idle_stats.xmit_idle = jiffies; + info->flags |= ASYNC_INITIALIZED; + if (info->tty) { + clear_bit(TTY_IO_ERROR, &info->tty->flags); + } + info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; + info->breakon = info->breakoff = 0; + memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats)); + info->idle_stats.in_use = + info->idle_stats.recv_idle = + info->idle_stats.xmit_idle = jiffies; - CY_UNLOCK(info, flags); - } + CY_UNLOCK(info, flags); + } #ifdef CY_DEBUG_OPEN printk(" cyc startup done\n"); @@ -2094,165 +2154,165 @@ startup(struct cyclades_port * info) errout: CY_UNLOCK(info, flags); return retval; -} /* startup */ - +} /* startup */ -static void -start_xmit( struct cyclades_port *info ) +static void start_xmit(struct cyclades_port *info) { - unsigned long flags; - void __iomem *base_addr; - int card,chip,channel,index; - - card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); + unsigned long flags; + void __iomem *base_addr; + int card, chip, channel, index; - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), channel); - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) | CyTxRdy); - CY_UNLOCK(info, flags); - } else { + card = info->card; + channel = (info->line) - (cy_card[card].first_line); + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = cy_card[card].base_addr + + (cy_chip_offset[chip] << index); + + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), channel); + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index)) | CyTxRdy); + CY_UNLOCK(info, flags); + } else { #ifdef CONFIG_CYZ_INTR - int retval; + int retval; - CY_LOCK(info, flags); - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK, 0L); - if (retval != 0){ - printk("cyc:start_xmit retval on ttyC%d was %x\n", - info->line, retval); - } - CY_UNLOCK(info, flags); -#else /* CONFIG_CYZ_INTR */ - /* Don't have to do anything at this time */ -#endif /* CONFIG_CYZ_INTR */ - } -} /* start_xmit */ + CY_LOCK(info, flags); + retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_INTBACK, + 0L); + if (retval != 0) { + printk("cyc:start_xmit retval on ttyC%d was %x\n", + info->line, retval); + } + CY_UNLOCK(info, flags); +#else /* CONFIG_CYZ_INTR */ + /* Don't have to do anything at this time */ +#endif /* CONFIG_CYZ_INTR */ + } +} /* start_xmit */ /* * This routine shuts down a serial port; interrupts are disabled, * and DTR is dropped if the hangup on close termio flag is on. */ -static void -shutdown(struct cyclades_port * info) +static void shutdown(struct cyclades_port *info) { - unsigned long flags; - void __iomem *base_addr; - int card,chip,channel,index; - - if (!(info->flags & ASYNC_INITIALIZED)){ - return; - } - - card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); + unsigned long flags; + void __iomem *base_addr; + int card, chip, channel, index; + + if (!(info->flags & ASYNC_INITIALIZED)) { + return; + } + + card = info->card; + channel = info->line - cy_card[card].first_line; + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = cy_card[card].base_addr + + (cy_chip_offset[chip] << index); #ifdef CY_DEBUG_OPEN - printk("cyc shutdown Y card %d, chip %d, channel %d, base_addr %lx\n", - card, chip, channel, (long)base_addr); + printk("cyc shutdown Y card %d, chip %d, channel %d, " + "base_addr %lx\n", + card, chip, channel, (long)base_addr); #endif - CY_LOCK(info, flags); + CY_LOCK(info, flags); - /* Clear delta_msr_wait queue to avoid mem leaks. */ - wake_up_interruptible(&info->delta_msr_wait); - - if (info->xmit_buf){ - unsigned char * temp; - temp = info->xmit_buf; - info->xmit_buf = NULL; - free_page((unsigned long) temp); - } - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) { - cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS); - cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR); + /* Clear delta_msr_wait queue to avoid mem leaks. */ + wake_up_interruptible(&info->delta_msr_wait); + + if (info->xmit_buf) { + unsigned char *temp; + temp = info->xmit_buf; + info->xmit_buf = NULL; + free_page((unsigned long)temp); + } + cy_writeb(base_addr + (CyCAR << index), (u_char) channel); + if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) { + cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS); + cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR); #ifdef CY_DEBUG_DTR - printk("cyc shutdown dropping DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr+(CyMSVR1<<index)), - cy_readb(base_addr+(CyMSVR2<<index))); + printk("cyc shutdown dropping DTR\n"); + printk(" status: 0x%x, 0x%x\n", + cy_readb(base_addr + (CyMSVR1 << index)), + cy_readb(base_addr + (CyMSVR2 << index))); #endif - } - cyy_issue_cmd(base_addr,CyCHAN_CTL|CyDIS_RCVR,index); - /* it may be appropriate to clear _XMIT at - some later date (after testing)!!! */ - - if (info->tty){ - set_bit(TTY_IO_ERROR, &info->tty->flags); - } - info->flags &= ~ASYNC_INITIALIZED; - CY_UNLOCK(info, flags); - } else { - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - struct CH_CTRL __iomem *ch_ctrl; - int retval; - - base_addr = cy_card[card].base_addr; + } + cyy_issue_cmd(base_addr, CyCHAN_CTL | CyDIS_RCVR, index); + /* it may be appropriate to clear _XMIT at + some later date (after testing)!!! */ + + if (info->tty) { + set_bit(TTY_IO_ERROR, &info->tty->flags); + } + info->flags &= ~ASYNC_INITIALIZED; + CY_UNLOCK(info, flags); + } else { + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + struct CH_CTRL __iomem *ch_ctrl; + int retval; + + base_addr = cy_card[card].base_addr; #ifdef CY_DEBUG_OPEN - printk("cyc shutdown Z card %d, channel %d, base_addr %lx\n", - card, channel, (long)base_addr); + printk("cyc shutdown Z card %d, channel %d, base_addr %lx\n", + card, channel, (long)base_addr); #endif - firm_id = base_addr + ID_ADDRESS; - if (!ISZLOADED(cy_card[card])) { - return; - } + firm_id = base_addr + ID_ADDRESS; + if (!ISZLOADED(cy_card[card])) { + return; + } - zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - ch_ctrl = zfw_ctrl->ch_ctrl; + zfw_ctrl = cy_card[card].base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + ch_ctrl = zfw_ctrl->ch_ctrl; - CY_LOCK(info, flags); + CY_LOCK(info, flags); - if (info->xmit_buf){ - unsigned char * temp; - temp = info->xmit_buf; - info->xmit_buf = NULL; - free_page((unsigned long) temp); - } - - if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) { - cy_writel(&ch_ctrl[channel].rs_control, - (uclong)(cy_readl(&ch_ctrl[channel].rs_control) & - ~(C_RS_RTS | C_RS_DTR))); - retval = cyz_issue_cmd(&cy_card[info->card], - channel, C_CM_IOCTLM, 0L); - if (retval != 0){ - printk("cyc:shutdown retval on ttyC%d was %x\n", - info->line, retval); + if (info->xmit_buf) { + unsigned char *temp; + temp = info->xmit_buf; + info->xmit_buf = NULL; + free_page((unsigned long)temp); } + + if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) { + cy_writel(&ch_ctrl[channel].rs_control, + (uclong)(cy_readl(&ch_ctrl[channel].rs_control)& + ~(C_RS_RTS | C_RS_DTR))); + retval = cyz_issue_cmd(&cy_card[info->card], channel, + C_CM_IOCTLM, 0L); + if (retval != 0) { + printk("cyc:shutdown retval on ttyC%d was %x\n", + info->line, retval); + } #ifdef CY_DEBUG_DTR - printk("cyc:shutdown dropping Z DTR\n"); + printk("cyc:shutdown dropping Z DTR\n"); #endif - } - - if (info->tty){ - set_bit(TTY_IO_ERROR, &info->tty->flags); - } - info->flags &= ~ASYNC_INITIALIZED; + } - CY_UNLOCK(info, flags); - } + if (info->tty) { + set_bit(TTY_IO_ERROR, &info->tty->flags); + } + info->flags &= ~ASYNC_INITIALIZED; + + CY_UNLOCK(info, flags); + } #ifdef CY_DEBUG_OPEN - printk(" cyc shutdown done\n"); + printk(" cyc shutdown done\n"); #endif - return; -} /* shutdown */ - +} /* shutdown */ /* * ------------------------------------------------------------ @@ -2261,527 +2321,546 @@ shutdown(struct cyclades_port * info) */ static int -block_til_ready(struct tty_struct *tty, struct file * filp, - struct cyclades_port *info) +block_til_ready(struct tty_struct *tty, struct file *filp, + struct cyclades_port *info) { - DECLARE_WAITQUEUE(wait, current); - struct cyclades_card *cinfo; - unsigned long flags; - int chip, channel,index; - int retval; - void __iomem *base_addr; - - cinfo = &cy_card[info->card]; - channel = info->line - cinfo->first_line; - - /* - * If the device is in the middle of being closed, then block - * until it's done, and then try again. - */ - if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - if (info->flags & ASYNC_CLOSING) { - interruptible_sleep_on(&info->close_wait); + DECLARE_WAITQUEUE(wait, current); + struct cyclades_card *cinfo; + unsigned long flags; + int chip, channel, index; + int retval; + void __iomem *base_addr; + + cinfo = &cy_card[info->card]; + channel = info->line - cinfo->first_line; + + /* + * If the device is in the middle of being closed, then block + * until it's done, and then try again. + */ + if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { + if (info->flags & ASYNC_CLOSING) { + interruptible_sleep_on(&info->close_wait); + } + return (info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS; + } + + /* + * If non-blocking mode is set, then make the check up front + * and then exit. + */ + if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) { + info->flags |= ASYNC_NORMAL_ACTIVE; + return 0; } - return ((info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS); - } - - /* - * If non-blocking mode is set, then make the check up front - * and then exit. - */ - if ((filp->f_flags & O_NONBLOCK) || - (tty->flags & (1 << TTY_IO_ERROR))) { - info->flags |= ASYNC_NORMAL_ACTIVE; - return 0; - } - - /* - * Block waiting for the carrier detect and the line to become - * free (i.e., not in use by the callout). While we are in - * this loop, info->count is dropped by one, so that - * cy_close() knows when to free things. We restore it upon - * exit, either normal or abnormal. - */ - retval = 0; - add_wait_queue(&info->open_wait, &wait); + + /* + * Block waiting for the carrier detect and the line to become + * free (i.e., not in use by the callout). While we are in + * this loop, info->count is dropped by one, so that + * cy_close() knows when to free things. We restore it upon + * exit, either normal or abnormal. + */ + retval = 0; + add_wait_queue(&info->open_wait, &wait); #ifdef CY_DEBUG_OPEN - printk("cyc block_til_ready before block: ttyC%d, count = %d\n", - info->line, info->count);/**/ + printk("cyc block_til_ready before block: ttyC%d, count = %d\n", + info->line, info->count); + /**/ #endif - CY_LOCK(info, flags); - if (!tty_hung_up_p(filp)) - info->count--; - CY_UNLOCK(info, flags); + CY_LOCK(info, flags); + if (!tty_hung_up_p(filp)) + info->count--; + CY_UNLOCK(info, flags); #ifdef CY_DEBUG_COUNT - printk("cyc block_til_ready: (%d): decrementing count to %d\n", - current->pid, info->count); + printk("cyc block_til_ready: (%d): decrementing count to %d\n", + current->pid, info->count); #endif - info->blocked_open++; - - if (!IS_CYC_Z(*cinfo)) { - chip = channel>>2; - channel &= 0x03; - index = cinfo->bus_index; - base_addr = cinfo->base_addr + (cy_chip_offset[chip]<<index); - - while (1) { - CY_LOCK(info, flags); - if ((tty->termios->c_cflag & CBAUD)){ - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - cy_writeb(base_addr+(CyMSVR1<<index), CyRTS); - cy_writeb(base_addr+(CyMSVR2<<index), CyDTR); + info->blocked_open++; + + if (!IS_CYC_Z(*cinfo)) { + chip = channel >> 2; + channel &= 0x03; + index = cinfo->bus_index; + base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index); + + while (1) { + CY_LOCK(info, flags); + if ((tty->termios->c_cflag & CBAUD)) { + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + cy_writeb(base_addr + (CyMSVR1 << index), + CyRTS); + cy_writeb(base_addr + (CyMSVR2 << index), + CyDTR); #ifdef CY_DEBUG_DTR - printk("cyc:block_til_ready raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr+(CyMSVR1<<index)), - cy_readb(base_addr+(CyMSVR2<<index))); + printk("cyc:block_til_ready raising DTR\n"); + printk(" status: 0x%x, 0x%x\n", + cy_readb(base_addr + + (CyMSVR1 << index)), + cy_readb(base_addr + + (CyMSVR2 << index))); #endif - } - CY_UNLOCK(info, flags); + } + CY_UNLOCK(info, flags); - set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) - || !(info->flags & ASYNC_INITIALIZED) ){ - retval = ((info->flags & ASYNC_HUP_NOTIFY) ? - -EAGAIN : -ERESTARTSYS); - break; - } + set_current_state(TASK_INTERRUPTIBLE); + if (tty_hung_up_p(filp) || + !(info->flags & ASYNC_INITIALIZED)) { + retval = ((info->flags & ASYNC_HUP_NOTIFY) ? + -EAGAIN : -ERESTARTSYS); + break; + } - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (!(info->flags & ASYNC_CLOSING) - && (C_CLOCAL(tty) - || (cy_readb(base_addr+(CyMSVR1<<index)) & CyDCD))) { + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + if (!(info->flags & ASYNC_CLOSING) && (C_CLOCAL(tty) || + (cy_readb(base_addr + + (CyMSVR1 << index)) & CyDCD))) { + CY_UNLOCK(info, flags); + break; + } CY_UNLOCK(info, flags); - break; - } - CY_UNLOCK(info, flags); - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } #ifdef CY_DEBUG_OPEN - printk("cyc block_til_ready blocking: ttyC%d, count = %d\n", - info->line, info->count);/**/ + printk("cyc block_til_ready blocking: ttyC%d, " + "count = %d\n", + info->line, info->count); + /**/ #endif - schedule(); - } - } else { - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - struct CH_CTRL __iomem *ch_ctrl; - int retval; - - base_addr = cinfo->base_addr; - firm_id = base_addr + ID_ADDRESS; - if (!ISZLOADED(*cinfo)){ - current->state = TASK_RUNNING; - remove_wait_queue(&info->open_wait, &wait); - return -EINVAL; - } - - zfw_ctrl = base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - ch_ctrl = zfw_ctrl->ch_ctrl; - - while (1) { - if ((tty->termios->c_cflag & CBAUD)){ - cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel].rs_control) | - (C_RS_RTS | C_RS_DTR)); - retval = cyz_issue_cmd(&cy_card[info->card], - channel, C_CM_IOCTLM, 0L); - if (retval != 0){ - printk("cyc:block_til_ready retval on ttyC%d was %x\n", - info->line, retval); + schedule(); + } + } else { + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + struct CH_CTRL __iomem *ch_ctrl; + int retval; + + base_addr = cinfo->base_addr; + firm_id = base_addr + ID_ADDRESS; + if (!ISZLOADED(*cinfo)) { + current->state = TASK_RUNNING; + remove_wait_queue(&info->open_wait, &wait); + return -EINVAL; } + + zfw_ctrl = base_addr + (cy_readl(&firm_id->zfwctrl_addr) & + 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + ch_ctrl = zfw_ctrl->ch_ctrl; + + while (1) { + if ((tty->termios->c_cflag & CBAUD)) { + cy_writel(&ch_ctrl[channel].rs_control, + cy_readl(&ch_ctrl[channel]. + rs_control) | (C_RS_RTS | + C_RS_DTR)); + retval = cyz_issue_cmd(&cy_card[info->card], + channel, C_CM_IOCTLM, 0L); + if (retval != 0) { + printk("cyc:block_til_ready retval on " + "ttyC%d was %x\n", + info->line, retval); + } #ifdef CY_DEBUG_DTR - printk("cyc:block_til_ready raising Z DTR\n"); + printk("cyc:block_til_ready raising Z DTR\n"); #endif - } + } - set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) - || !(info->flags & ASYNC_INITIALIZED) ){ - retval = ((info->flags & ASYNC_HUP_NOTIFY) ? - -EAGAIN : -ERESTARTSYS); - break; - } - if (!(info->flags & ASYNC_CLOSING) - && (C_CLOCAL(tty) - || (cy_readl(&ch_ctrl[channel].rs_status) & C_RS_DCD))) { - break; - } - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } + set_current_state(TASK_INTERRUPTIBLE); + if (tty_hung_up_p(filp) || + !(info->flags & ASYNC_INITIALIZED)) { + retval = ((info->flags & ASYNC_HUP_NOTIFY) ? + -EAGAIN : -ERESTARTSYS); + break; + } + if (!(info->flags & ASYNC_CLOSING) && (C_CLOCAL(tty) || + (cy_readl(&ch_ctrl[channel].rs_status) & + C_RS_DCD))) { + break; + } + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } #ifdef CY_DEBUG_OPEN - printk("cyc block_til_ready blocking: ttyC%d, count = %d\n", - info->line, info->count);/**/ + printk("cyc block_til_ready blocking: ttyC%d, " + "count = %d\n", + info->line, info->count); + /**/ #endif - schedule(); + schedule(); + } } - } - current->state = TASK_RUNNING; - remove_wait_queue(&info->open_wait, &wait); - if (!tty_hung_up_p(filp)){ - info->count++; + current->state = TASK_RUNNING; + remove_wait_queue(&info->open_wait, &wait); + if (!tty_hung_up_p(filp)) { + info->count++; #ifdef CY_DEBUG_COUNT - printk("cyc:block_til_ready (%d): incrementing count to %d\n", - current->pid, info->count); + printk("cyc:block_til_ready (%d): incrementing count to %d\n", + current->pid, info->count); #endif - } - info->blocked_open--; + } + info->blocked_open--; #ifdef CY_DEBUG_OPEN - printk("cyc:block_til_ready after blocking: ttyC%d, count = %d\n", - info->line, info->count);/**/ + printk("cyc:block_til_ready after blocking: ttyC%d, count = %d\n", + info->line, info->count); + /**/ #endif - if (retval) - return retval; - info->flags |= ASYNC_NORMAL_ACTIVE; - return 0; -} /* block_til_ready */ - + if (retval) + return retval; + info->flags |= ASYNC_NORMAL_ACTIVE; + return 0; +} /* block_til_ready */ /* * This routine is called whenever a serial port is opened. It * performs the serial-specific initialization for the tty structure. */ -static int -cy_open(struct tty_struct *tty, struct file * filp) +static int cy_open(struct tty_struct *tty, struct file *filp) { - struct cyclades_port *info; - int retval, line; - - line = tty->index; - if ((line < 0) || (NR_PORTS <= line)){ - return -ENODEV; - } - info = &cy_port[line]; - if (info->line < 0){ - return -ENODEV; - } - - /* If the card's firmware hasn't been loaded, - treat it as absent from the system. This - will make the user pay attention. - */ - if (IS_CYC_Z(cy_card[info->card])) { - struct cyclades_card *cinfo = &cy_card[info->card]; - struct FIRM_ID __iomem *firm_id = cinfo->base_addr + ID_ADDRESS; - - if (!ISZLOADED(*cinfo)) { - if (((ZE_V1 ==cy_readl(&((struct RUNTIME_9060 __iomem *) - (cinfo->ctl_addr))->mail_box_0)) && - Z_FPGA_CHECK (*cinfo)) && - (ZFIRM_HLT == cy_readl (&firm_id->signature))) - { - printk ("cyc:Cyclades-Z Error: you need an external power supply for this number of ports.\n\rFirmware halted.\r\n"); - } else { - printk("cyc:Cyclades-Z firmware not yet loaded\n"); - } - return -ENODEV; - } -#ifdef CONFIG_CYZ_INTR - else { - /* In case this Z board is operating in interrupt mode, its - interrupts should be enabled as soon as the first open happens - to one of its ports. */ - if (!cinfo->intr_enabled) { - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - - zfw_ctrl = cinfo->base_addr + (cy_readl (&firm_id->zfwctrl_addr) & 0xfffff); + struct cyclades_port *info; + int retval, line; - board_ctrl = &zfw_ctrl->board_ctrl; + line = tty->index; + if ((line < 0) || (NR_PORTS <= line)) { + return -ENODEV; + } + info = &cy_port[line]; + if (info->line < 0) { + return -ENODEV; + } - /* Enable interrupts on the PLX chip */ - cy_writew(cinfo->ctl_addr+0x68, - cy_readw(cinfo->ctl_addr+0x68)|0x0900); - /* Enable interrupts on the FW */ - retval = cyz_issue_cmd(cinfo, - 0, C_CM_IRQ_ENBL, 0L); - if (retval != 0){ - printk("cyc:IRQ enable retval was %x\n", retval); + /* If the card's firmware hasn't been loaded, + treat it as absent from the system. This + will make the user pay attention. + */ + if (IS_CYC_Z(cy_card[info->card])) { + struct cyclades_card *cinfo = &cy_card[info->card]; + struct FIRM_ID __iomem *firm_id = cinfo->base_addr + ID_ADDRESS; + + if (!ISZLOADED(*cinfo)) { + if (((ZE_V1 == cy_readl( + &((struct RUNTIME_9060 __iomem *) + (cinfo->ctl_addr))->mail_box_0)) && + Z_FPGA_CHECK(*cinfo)) && + (ZFIRM_HLT == cy_readl( + &firm_id->signature))) { + printk("cyc:Cyclades-Z Error: you need an " + "external power supply for this number " + "of ports.\n\rFirmware halted.\r\n"); + } else { + printk("cyc:Cyclades-Z firmware not yet " + "loaded\n"); + } + return -ENODEV; } - cinfo->nports = (int) cy_readl (&board_ctrl->n_channel); - cinfo->intr_enabled = 1; - } +#ifdef CONFIG_CYZ_INTR + else { + /* In case this Z board is operating in interrupt mode, its + interrupts should be enabled as soon as the first open + happens to one of its ports. */ + if (!cinfo->intr_enabled) { + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + + zfw_ctrl = cinfo->base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & + 0xfffff); + + board_ctrl = &zfw_ctrl->board_ctrl; + + /* Enable interrupts on the PLX chip */ + cy_writew(cinfo->ctl_addr + 0x68, + cy_readw(cinfo->ctl_addr + + 0x68) | 0x0900); + /* Enable interrupts on the FW */ + retval = cyz_issue_cmd(cinfo, 0, + C_CM_IRQ_ENBL, 0L); + if (retval != 0) { + printk("cyc:IRQ enable retval was %x\n", + retval); + } + cinfo->nports = + (int)cy_readl(&board_ctrl->n_channel); + cinfo->intr_enabled = 1; + } + } +#endif /* CONFIG_CYZ_INTR */ + /* Make sure this Z port really exists in hardware */ + if (info->line > (cinfo->first_line + cinfo->nports - 1)) + return -ENODEV; } -#endif /* CONFIG_CYZ_INTR */ - /* Make sure this Z port really exists in hardware */ - if (info->line > (cinfo->first_line + cinfo->nports - 1)) - return -ENODEV; - } #ifdef CY_DEBUG_OTHER - printk("cyc:cy_open ttyC%d\n", info->line); /* */ + printk("cyc:cy_open ttyC%d\n", info->line); /* */ #endif - tty->driver_data = info; - info->tty = tty; - if (serial_paranoia_check(info, tty->name, "cy_open")){ - return -ENODEV; - } + tty->driver_data = info; + info->tty = tty; + if (serial_paranoia_check(info, tty->name, "cy_open")) { + return -ENODEV; + } #ifdef CY_DEBUG_OPEN - printk("cyc:cy_open ttyC%d, count = %d\n", - info->line, info->count);/**/ + printk("cyc:cy_open ttyC%d, count = %d\n", info->line, info->count); + /**/ #endif - info->count++; + info->count++; #ifdef CY_DEBUG_COUNT - printk("cyc:cy_open (%d): incrementing count to %d\n", - current->pid, info->count); + printk("cyc:cy_open (%d): incrementing count to %d\n", + current->pid, info->count); #endif - /* - * If the port is the middle of closing, bail out now - */ - if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { - if (info->flags & ASYNC_CLOSING) - interruptible_sleep_on(&info->close_wait); - return ((info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS); - } - - /* - * Start up serial port - */ - retval = startup(info); - if (retval){ - return retval; - } - - retval = block_til_ready(tty, filp, info); - if (retval) { -#ifdef CY_DEBUG_OPEN - printk("cyc:cy_open returning after block_til_ready with %d\n", - retval); -#endif - return retval; - } + /* + * If the port is the middle of closing, bail out now + */ + if (tty_hung_up_p(filp) || (info->flags & ASYNC_CLOSING)) { + if (info->flags & ASYNC_CLOSING) + interruptible_sleep_on(&info->close_wait); + return (info->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS; + } - info->throttle = 0; + /* + * Start up serial port + */ + retval = startup(info); + if (retval) { + return retval; + } + retval = block_til_ready(tty, filp, info); + if (retval) { #ifdef CY_DEBUG_OPEN - printk(" cyc:cy_open done\n");/**/ + printk("cyc:cy_open returning after block_til_ready with %d\n", + retval); #endif + return retval; + } - return 0; -} /* cy_open */ + info->throttle = 0; +#ifdef CY_DEBUG_OPEN + printk(" cyc:cy_open done\n"); + /**/ +#endif + return 0; +} /* cy_open */ /* * cy_wait_until_sent() --- wait until the transmitter is empty */ -static void -cy_wait_until_sent(struct tty_struct *tty, int timeout) +static void cy_wait_until_sent(struct tty_struct *tty, int timeout) { - struct cyclades_port * info = (struct cyclades_port *)tty->driver_data; - void __iomem *base_addr; - int card,chip,channel,index; - unsigned long orig_jiffies; - int char_time; - - if (serial_paranoia_check(info, tty->name, "cy_wait_until_sent")) - return; - - if (info->xmit_fifo_size == 0) - return; /* Just in case.... */ - - - orig_jiffies = jiffies; - /* - * Set the check interval to be 1/5 of the estimated time to - * send a single character, and make it at least 1. The check - * interval should also be less than the timeout. - * - * Note: we have to use pretty tight timings here to satisfy - * the NIST-PCTS. - */ - char_time = (info->timeout - HZ/50) / info->xmit_fifo_size; - char_time = char_time / 5; - if (char_time <= 0) - char_time = 1; - if (timeout < 0) - timeout = 0; - if (timeout) - char_time = min(char_time, timeout); - /* - * If the transmitter hasn't cleared in twice the approximate - * amount of time to send the entire FIFO, it probably won't - * ever clear. This assumes the UART isn't doing flow - * control, which is currently the case. Hence, if it ever - * takes longer than info->timeout, this is probably due to a - * UART bug of some kind. So, we clamp the timeout parameter at - * 2*info->timeout. - */ - if (!timeout || timeout > 2*info->timeout) - timeout = 2*info->timeout; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + void __iomem *base_addr; + int card, chip, channel, index; + unsigned long orig_jiffies; + int char_time; + + if (serial_paranoia_check(info, tty->name, "cy_wait_until_sent")) + return; + + if (info->xmit_fifo_size == 0) + return; /* Just in case.... */ + + orig_jiffies = jiffies; + /* + * Set the check interval to be 1/5 of the estimated time to + * send a single character, and make it at least 1. The check + * interval should also be less than the timeout. + * + * Note: we have to use pretty tight timings here to satisfy + * the NIST-PCTS. + */ + char_time = (info->timeout - HZ / 50) / info->xmit_fifo_size; + char_time = char_time / 5; + if (char_time <= 0) + char_time = 1; + if (timeout < 0) + timeout = 0; + if (timeout) + char_time = min(char_time, timeout); + /* + * If the transmitter hasn't cleared in twice the approximate + * amount of time to send the entire FIFO, it probably won't + * ever clear. This assumes the UART isn't doing flow + * control, which is currently the case. Hence, if it ever + * takes longer than info->timeout, this is probably due to a + * UART bug of some kind. So, we clamp the timeout parameter at + * 2*info->timeout. + */ + if (!timeout || timeout > 2 * info->timeout) + timeout = 2 * info->timeout; #ifdef CY_DEBUG_WAIT_UNTIL_SENT - printk("In cy_wait_until_sent(%d) check=%lu...", timeout, char_time); - printk("jiff=%lu...", jiffies); + printk("In cy_wait_until_sent(%d) check=%lu...", timeout, char_time); + printk("jiff=%lu...", jiffies); #endif - card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); - while (cy_readb(base_addr+(CySRER<<index)) & CyTxRdy) { + card = info->card; + channel = (info->line) - (cy_card[card].first_line); + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); + while (cy_readb(base_addr + (CySRER << index)) & CyTxRdy) { #ifdef CY_DEBUG_WAIT_UNTIL_SENT - printk("Not clean (jiff=%lu)...", jiffies); + printk("Not clean (jiff=%lu)...", jiffies); #endif - if (msleep_interruptible(jiffies_to_msecs(char_time))) - break; - if (timeout && time_after(jiffies, orig_jiffies + timeout)) - break; + if (msleep_interruptible(jiffies_to_msecs(char_time))) + break; + if (timeout && time_after(jiffies, orig_jiffies + + timeout)) + break; + } + } else { + /* Nothing to do! */ } - } else { - // Nothing to do! - } - /* Run one more char cycle */ - msleep_interruptible(jiffies_to_msecs(char_time * 5)); + /* Run one more char cycle */ + msleep_interruptible(jiffies_to_msecs(char_time * 5)); #ifdef CY_DEBUG_WAIT_UNTIL_SENT - printk("Clean (jiff=%lu)...done\n", jiffies); + printk("Clean (jiff=%lu)...done\n", jiffies); #endif } /* * This routine is called when a particular tty device is closed. */ -static void -cy_close(struct tty_struct *tty, struct file *filp) +static void cy_close(struct tty_struct *tty, struct file *filp) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - unsigned long flags; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + unsigned long flags; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_close ttyC%d\n", info->line); + printk("cyc:cy_close ttyC%d\n", info->line); #endif - if (!info || serial_paranoia_check(info, tty->name, "cy_close")){ - return; - } + if (!info || serial_paranoia_check(info, tty->name, "cy_close")) { + return; + } - CY_LOCK(info, flags); - /* If the TTY is being hung up, nothing to do */ - if (tty_hung_up_p(filp)) { - CY_UNLOCK(info, flags); - return; - } - + CY_LOCK(info, flags); + /* If the TTY is being hung up, nothing to do */ + if (tty_hung_up_p(filp)) { + CY_UNLOCK(info, flags); + return; + } #ifdef CY_DEBUG_OPEN - printk("cyc:cy_close ttyC%d, count = %d\n", info->line, info->count); + printk("cyc:cy_close ttyC%d, count = %d\n", info->line, info->count); #endif - if ((tty->count == 1) && (info->count != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. Info->count should always - * be one in these conditions. If it's greater than - * one, we've got real problems, since it means the - * serial port won't be shutdown. - */ - printk("cyc:cy_close: bad serial port count; tty->count is 1, " - "info->count is %d\n", info->count); - info->count = 1; - } + if ((tty->count == 1) && (info->count != 1)) { + /* + * Uh, oh. tty->count is 1, which means that the tty + * structure will be freed. Info->count should always + * be one in these conditions. If it's greater than + * one, we've got real problems, since it means the + * serial port won't be shutdown. + */ + printk("cyc:cy_close: bad serial port count; tty->count is 1, " + "info->count is %d\n", info->count); + info->count = 1; + } #ifdef CY_DEBUG_COUNT - printk("cyc:cy_close at (%d): decrementing count to %d\n", - current->pid, info->count - 1); + printk("cyc:cy_close at (%d): decrementing count to %d\n", + current->pid, info->count - 1); #endif - if (--info->count < 0) { + if (--info->count < 0) { #ifdef CY_DEBUG_COUNT - printk("cyc:cyc_close setting count to 0\n"); + printk("cyc:cyc_close setting count to 0\n"); #endif - info->count = 0; - } - if (info->count) { - CY_UNLOCK(info, flags); - return; - } - info->flags |= ASYNC_CLOSING; - - /* - * Now we wait for the transmit buffer to clear; and we notify - * the line discipline to only process XON/XOFF characters. - */ - tty->closing = 1; - CY_UNLOCK(info, flags); - if (info->closing_wait != CY_CLOSING_WAIT_NONE) { - tty_wait_until_sent(tty, info->closing_wait); - } - CY_LOCK(info, flags); - - if (!IS_CYC_Z(cy_card[info->card])) { - int channel = info->line - cy_card[info->card].first_line; - int index = cy_card[info->card].bus_index; - void __iomem *base_addr = cy_card[info->card].base_addr + (cy_chip_offset[channel>>2] << index); - /* Stop accepting input */ - channel &= 0x03; - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & ~CyRxData); - if (info->flags & ASYNC_INITIALIZED) { - /* Waiting for on-board buffers to be empty before closing - the port */ - CY_UNLOCK(info, flags); - cy_wait_until_sent(tty, info->timeout); - CY_LOCK(info, flags); + info->count = 0; } - } else { -#ifdef Z_WAKE - /* Waiting for on-board buffers to be empty before closing the port */ - void __iomem *base_addr = cy_card[info->card].base_addr; - struct FIRM_ID __iomem *firm_id = base_addr + ID_ADDRESS; - struct ZFW_CTRL __iomem *zfw_ctrl = base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - struct CH_CTRL __iomem *ch_ctrl = zfw_ctrl->ch_ctrl; - int channel = info->line - cy_card[info->card].first_line; - int retval; + if (info->count) { + CY_UNLOCK(info, flags); + return; + } + info->flags |= ASYNC_CLOSING; - if (cy_readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) { - retval = cyz_issue_cmd(&cy_card[info->card], channel, - C_CM_IOCTLW, 0L); - if (retval != 0){ - printk("cyc:cy_close retval on ttyC%d was %x\n", - info->line, retval); - } - CY_UNLOCK(info, flags); - interruptible_sleep_on(&info->shutdown_wait); - CY_LOCK(info, flags); + /* + * Now we wait for the transmit buffer to clear; and we notify + * the line discipline to only process XON/XOFF characters. + */ + tty->closing = 1; + CY_UNLOCK(info, flags); + if (info->closing_wait != CY_CLOSING_WAIT_NONE) { + tty_wait_until_sent(tty, info->closing_wait); } + CY_LOCK(info, flags); + + if (!IS_CYC_Z(cy_card[info->card])) { + int channel = info->line - cy_card[info->card].first_line; + int index = cy_card[info->card].bus_index; + void __iomem *base_addr = cy_card[info->card].base_addr + + (cy_chip_offset[channel >> 2] << index); + /* Stop accepting input */ + channel &= 0x03; + cy_writeb(base_addr + (CyCAR << index), (u_char) channel); + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index)) & ~CyRxData); + if (info->flags & ASYNC_INITIALIZED) { + /* Waiting for on-board buffers to be empty before closing + the port */ + CY_UNLOCK(info, flags); + cy_wait_until_sent(tty, info->timeout); + CY_LOCK(info, flags); + } + } else { +#ifdef Z_WAKE + /* Waiting for on-board buffers to be empty before closing the port */ + void __iomem *base_addr = cy_card[info->card].base_addr; + struct FIRM_ID __iomem *firm_id = base_addr + ID_ADDRESS; + struct ZFW_CTRL __iomem *zfw_ctrl = + base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + struct CH_CTRL __iomem *ch_ctrl = zfw_ctrl->ch_ctrl; + int channel = info->line - cy_card[info->card].first_line; + int retval; + + if (cy_readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) { + retval = cyz_issue_cmd(&cy_card[info->card], channel, + C_CM_IOCTLW, 0L); + if (retval != 0) { + printk("cyc:cy_close retval on ttyC%d was %x\n", + info->line, retval); + } + CY_UNLOCK(info, flags); + interruptible_sleep_on(&info->shutdown_wait); + CY_LOCK(info, flags); + } #endif - } - - CY_UNLOCK(info, flags); - shutdown(info); - if (tty->driver->flush_buffer) - tty->driver->flush_buffer(tty); - tty_ldisc_flush(tty); - CY_LOCK(info, flags); - - tty->closing = 0; - info->event = 0; - info->tty = NULL; - if (info->blocked_open) { + } + CY_UNLOCK(info, flags); - if (info->close_delay) { - msleep_interruptible(jiffies_to_msecs(info->close_delay)); - } - wake_up_interruptible(&info->open_wait); + shutdown(info); + if (tty->driver->flush_buffer) + tty->driver->flush_buffer(tty); + tty_ldisc_flush(tty); CY_LOCK(info, flags); - } - info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&info->close_wait); + + tty->closing = 0; + info->event = 0; + info->tty = NULL; + if (info->blocked_open) { + CY_UNLOCK(info, flags); + if (info->close_delay) { + msleep_interruptible(jiffies_to_msecs + (info->close_delay)); + } + wake_up_interruptible(&info->open_wait); + CY_LOCK(info, flags); + } + info->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING); + wake_up_interruptible(&info->close_wait); #ifdef CY_DEBUG_OTHER - printk(" cyc:cy_close done\n"); + printk(" cyc:cy_close done\n"); #endif - CY_UNLOCK(info, flags); - return; -} /* cy_close */ - + CY_UNLOCK(info, flags); +} /* cy_close */ /* This routine gets called when tty_write has put something into * the write_queue. The characters may come from user space or @@ -2796,50 +2875,49 @@ cy_close(struct tty_struct *tty, struct file *filp) * If the port is already active, there is no need to kick it. * */ -static int -cy_write(struct tty_struct * tty, const unsigned char *buf, int count) +static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - unsigned long flags; - int c, ret = 0; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + unsigned long flags; + int c, ret = 0; #ifdef CY_DEBUG_IO - printk("cyc:cy_write ttyC%d\n", info->line); /* */ + printk("cyc:cy_write ttyC%d\n", info->line); /* */ #endif - if (serial_paranoia_check(info, tty->name, "cy_write")){ - return 0; - } - - if (!info->xmit_buf) - return 0; + if (serial_paranoia_check(info, tty->name, "cy_write")) { + return 0; + } - CY_LOCK(info, flags); - while (1) { - c = min(count, min((int)(SERIAL_XMIT_SIZE - info->xmit_cnt - 1), - (int)(SERIAL_XMIT_SIZE - info->xmit_head))); - - if (c <= 0) - break; - - memcpy(info->xmit_buf + info->xmit_head, buf, c); - info->xmit_head = (info->xmit_head + c) & (SERIAL_XMIT_SIZE-1); - info->xmit_cnt += c; - buf += c; - count -= c; - ret += c; - } - CY_UNLOCK(info, flags); - - info->idle_stats.xmit_bytes += ret; - info->idle_stats.xmit_idle = jiffies; - - if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped) { - start_xmit(info); - } - return ret; -} /* cy_write */ + if (!info->xmit_buf) + return 0; + CY_LOCK(info, flags); + while (1) { + c = min(count, min((int)(SERIAL_XMIT_SIZE - info->xmit_cnt - 1), + (int)(SERIAL_XMIT_SIZE - info->xmit_head))); + + if (c <= 0) + break; + + memcpy(info->xmit_buf + info->xmit_head, buf, c); + info->xmit_head = (info->xmit_head + c) & + (SERIAL_XMIT_SIZE - 1); + info->xmit_cnt += c; + buf += c; + count -= c; + ret += c; + } + CY_UNLOCK(info, flags); + + info->idle_stats.xmit_bytes += ret; + info->idle_stats.xmit_idle = jiffies; + + if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped) { + start_xmit(info); + } + return ret; +} /* cy_write */ /* * This routine is called by the kernel to write a single @@ -2848,60 +2926,56 @@ cy_write(struct tty_struct * tty, const unsigned char *buf, int count) * done stuffing characters into the driver. If there is no room * in the queue, the character is ignored. */ -static void -cy_put_char(struct tty_struct *tty, unsigned char ch) +static void cy_put_char(struct tty_struct *tty, unsigned char ch) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - unsigned long flags; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + unsigned long flags; #ifdef CY_DEBUG_IO - printk("cyc:cy_put_char ttyC%d\n", info->line); + printk("cyc:cy_put_char ttyC%d\n", info->line); #endif - if (serial_paranoia_check(info, tty->name, "cy_put_char")) - return; + if (serial_paranoia_check(info, tty->name, "cy_put_char")) + return; - if (!info->xmit_buf) - return; + if (!info->xmit_buf) + return; - CY_LOCK(info, flags); - if (info->xmit_cnt >= SERIAL_XMIT_SIZE - 1) { - CY_UNLOCK(info, flags); - return; - } + CY_LOCK(info, flags); + if (info->xmit_cnt >= (int)(SERIAL_XMIT_SIZE - 1)) { + CY_UNLOCK(info, flags); + return; + } - info->xmit_buf[info->xmit_head++] = ch; - info->xmit_head &= SERIAL_XMIT_SIZE - 1; - info->xmit_cnt++; + info->xmit_buf[info->xmit_head++] = ch; + info->xmit_head &= SERIAL_XMIT_SIZE - 1; + info->xmit_cnt++; info->idle_stats.xmit_bytes++; info->idle_stats.xmit_idle = jiffies; - CY_UNLOCK(info, flags); -} /* cy_put_char */ - + CY_UNLOCK(info, flags); +} /* cy_put_char */ /* * This routine is called by the kernel after it has written a * series of characters to the tty device using put_char(). */ -static void -cy_flush_chars(struct tty_struct *tty) +static void cy_flush_chars(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + #ifdef CY_DEBUG_IO - printk("cyc:cy_flush_chars ttyC%d\n", info->line); /* */ + printk("cyc:cy_flush_chars ttyC%d\n", info->line); /* */ #endif - if (serial_paranoia_check(info, tty->name, "cy_flush_chars")) - return; - - if (info->xmit_cnt <= 0 || tty->stopped - || tty->hw_stopped || !info->xmit_buf) - return; + if (serial_paranoia_check(info, tty->name, "cy_flush_chars")) + return; - start_xmit(info); -} /* cy_flush_chars */ + if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || + !info->xmit_buf) + return; + start_xmit(info); +} /* cy_flush_chars */ /* * This routine returns the numbers of characters the tty driver @@ -2909,75 +2983,70 @@ cy_flush_chars(struct tty_struct *tty) * to change as output buffers get emptied, or if the output flow * control is activated. */ -static int -cy_write_room(struct tty_struct *tty) +static int cy_write_room(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int ret; - + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + int ret; + #ifdef CY_DEBUG_IO - printk("cyc:cy_write_room ttyC%d\n", info->line); /* */ + printk("cyc:cy_write_room ttyC%d\n", info->line); /* */ #endif - if (serial_paranoia_check(info, tty->name, "cy_write_room")) - return 0; - ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1; - if (ret < 0) - ret = 0; - return ret; -} /* cy_write_room */ - + if (serial_paranoia_check(info, tty->name, "cy_write_room")) + return 0; + ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1; + if (ret < 0) + ret = 0; + return ret; +} /* cy_write_room */ -static int -cy_chars_in_buffer(struct tty_struct *tty) +static int cy_chars_in_buffer(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int card, channel; - - if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer")) - return 0; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + int card, channel; + + if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer")) + return 0; - card = info->card; - channel = (info->line) - (cy_card[card].first_line); + card = info->card; + channel = (info->line) - (cy_card[card].first_line); #ifdef Z_EXT_CHARS_IN_BUFFER - if (!IS_CYC_Z(cy_card[card])) { -#endif /* Z_EXT_CHARS_IN_BUFFER */ + if (!IS_CYC_Z(cy_card[card])) { +#endif /* Z_EXT_CHARS_IN_BUFFER */ #ifdef CY_DEBUG_IO - printk("cyc:cy_chars_in_buffer ttyC%d %d\n", - info->line, info->xmit_cnt); /* */ + printk("cyc:cy_chars_in_buffer ttyC%d %d\n", info->line, info->xmit_cnt); /* */ #endif - return info->xmit_cnt; + return info->xmit_cnt; #ifdef Z_EXT_CHARS_IN_BUFFER - } else { - static volatile struct FIRM_ID *firm_id; - static volatile struct ZFW_CTRL *zfw_ctrl; - static volatile struct CH_CTRL *ch_ctrl; - static volatile struct BUF_CTRL *buf_ctrl; - int char_count; - volatile uclong tx_put, tx_get, tx_bufsize; - - firm_id = cy_card[card].base_addr + ID_ADDRESS; - zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); - buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]); - - tx_get = cy_readl(&buf_ctrl->tx_get); - tx_put = cy_readl(&buf_ctrl->tx_put); - tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize); - if (tx_put >= tx_get) - char_count = tx_put - tx_get; - else - char_count = tx_put - tx_get + tx_bufsize; + } else { + static volatile struct FIRM_ID *firm_id; + static volatile struct ZFW_CTRL *zfw_ctrl; + static volatile struct CH_CTRL *ch_ctrl; + static volatile struct BUF_CTRL *buf_ctrl; + int char_count; + volatile uclong tx_put, tx_get, tx_bufsize; + + firm_id = cy_card[card].base_addr + ID_ADDRESS; + zfw_ctrl = cy_card[card].base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); + buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]); + + tx_get = cy_readl(&buf_ctrl->tx_get); + tx_put = cy_readl(&buf_ctrl->tx_put); + tx_bufsize = cy_readl(&buf_ctrl->tx_bufsize); + if (tx_put >= tx_get) + char_count = tx_put - tx_get; + else + char_count = tx_put - tx_get + tx_bufsize; #ifdef CY_DEBUG_IO - printk("cyc:cy_chars_in_buffer ttyC%d %d\n", - info->line, info->xmit_cnt + char_count); /* */ + printk("cyc:cy_chars_in_buffer ttyC%d %d\n", info->line, info->xmit_cnt + char_count); /* */ #endif - return (info->xmit_cnt + char_count); - } -#endif /* Z_EXT_CHARS_IN_BUFFER */ -} /* cy_chars_in_buffer */ - + return info->xmit_cnt + char_count; + } +#endif /* Z_EXT_CHARS_IN_BUFFER */ +} /* cy_chars_in_buffer */ /* * ------------------------------------------------------------ @@ -2985,178 +3054,179 @@ cy_chars_in_buffer(struct tty_struct *tty) * ------------------------------------------------------------ */ -static void -cyy_baud_calc(struct cyclades_port *info, uclong baud) +static void cyy_baud_calc(struct cyclades_port *info, uclong baud) { - int co, co_val, bpr; - uclong cy_clock = ((info->chip_rev >= CD1400_REV_J) ? 60000000 : 25000000); - - if (baud == 0) { - info->tbpr = info->tco = info->rbpr = info->rco = 0; - return; - } - - /* determine which prescaler to use */ - for (co = 4, co_val = 2048; co; co--, co_val >>= 2) { - if (cy_clock / co_val / baud > 63) - break; - } - - bpr = (cy_clock / co_val * 2 / baud + 1) / 2; - if (bpr > 255) - bpr = 255; - - info->tbpr = info->rbpr = bpr; - info->tco = info->rco = co; + int co, co_val, bpr; + uclong cy_clock = ((info->chip_rev >= CD1400_REV_J) ? 60000000 : + 25000000); + + if (baud == 0) { + info->tbpr = info->tco = info->rbpr = info->rco = 0; + return; + } + + /* determine which prescaler to use */ + for (co = 4, co_val = 2048; co; co--, co_val >>= 2) { + if (cy_clock / co_val / baud > 63) + break; + } + + bpr = (cy_clock / co_val * 2 / baud + 1) / 2; + if (bpr > 255) + bpr = 255; + + info->tbpr = info->rbpr = bpr; + info->tco = info->rco = co; } /* * This routine finds or computes the various line characteristics. * It used to be called config_setup */ -static void -set_line_char(struct cyclades_port * info) +static void set_line_char(struct cyclades_port *info) { - unsigned long flags; - void __iomem *base_addr; - int card,chip,channel,index; - unsigned cflag, iflag; - unsigned short chip_number; - int baud, baud_rate = 0; - int i; - - - if (!info->tty || !info->tty->termios){ - return; - } - if (info->line == -1){ - return; - } - cflag = info->tty->termios->c_cflag; - iflag = info->tty->termios->c_iflag; - - /* - * Set up the tty->alt_speed kludge - */ - if (info->tty) { - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) - info->tty->alt_speed = 57600; - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) - info->tty->alt_speed = 115200; - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) - info->tty->alt_speed = 230400; - if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) - info->tty->alt_speed = 460800; - } - - card = info->card; - channel = (info->line) - (cy_card[card].first_line); - chip_number = channel / 4; - - if (!IS_CYC_Z(cy_card[card])) { - - index = cy_card[card].bus_index; - - /* baud rate */ - baud = tty_get_baud_rate(info->tty); - if ((baud == 38400) && - ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) { - if (info->custom_divisor) - baud_rate = info->baud / info->custom_divisor; - else - baud_rate = info->baud; - } else if (baud > CD1400_MAX_SPEED) { - baud = CD1400_MAX_SPEED; + unsigned long flags; + void __iomem *base_addr; + int card, chip, channel, index; + unsigned cflag, iflag; + unsigned short chip_number; + int baud, baud_rate = 0; + int i; + + if (!info->tty || !info->tty->termios) { + return; } - /* find the baud index */ - for (i = 0; i < 20; i++) { - if (baud == baud_table[i]) { - break; - } + if (info->line == -1) { + return; } - if (i == 20) { - i = 19; /* CD1400_MAX_SPEED */ - } + cflag = info->tty->termios->c_cflag; + iflag = info->tty->termios->c_iflag; - if ((baud == 38400) && - ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) { - cyy_baud_calc(info, baud_rate); - } else { - if(info->chip_rev >= CD1400_REV_J) { - /* It is a CD1400 rev. J or later */ - info->tbpr = baud_bpr_60[i]; /* Tx BPR */ - info->tco = baud_co_60[i]; /* Tx CO */ - info->rbpr = baud_bpr_60[i]; /* Rx BPR */ - info->rco = baud_co_60[i]; /* Rx CO */ - } else { - info->tbpr = baud_bpr_25[i]; /* Tx BPR */ - info->tco = baud_co_25[i]; /* Tx CO */ - info->rbpr = baud_bpr_25[i]; /* Rx BPR */ - info->rco = baud_co_25[i]; /* Rx CO */ - } - } - if (baud_table[i] == 134) { - /* get it right for 134.5 baud */ - info->timeout = (info->xmit_fifo_size*HZ*30/269) + 2; - } else if ((baud == 38400) && - ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) { - info->timeout = (info->xmit_fifo_size*HZ*15/baud_rate) + 2; - } else if (baud_table[i]) { - info->timeout = (info->xmit_fifo_size*HZ*15/baud_table[i]) + 2; - /* this needs to be propagated into the card info */ - } else { - info->timeout = 0; - } - /* By tradition (is it a standard?) a baud rate of zero - implies the line should be/has been closed. A bit - later in this routine such a test is performed. */ - - /* byte size and parity */ - info->cor5 = 0; - info->cor4 = 0; - info->cor3 = (info->default_threshold - ? info->default_threshold - : baud_cor3[i]); /* receive threshold */ - info->cor2 = CyETC; - switch(cflag & CSIZE){ - case CS5: - info->cor1 = Cy_5_BITS; - break; - case CS6: - info->cor1 = Cy_6_BITS; - break; - case CS7: - info->cor1 = Cy_7_BITS; - break; - case CS8: - info->cor1 = Cy_8_BITS; - break; - } - if(cflag & CSTOPB){ - info->cor1 |= Cy_2_STOP; - } - if (cflag & PARENB){ - if (cflag & PARODD){ - info->cor1 |= CyPARITY_O; - }else{ - info->cor1 |= CyPARITY_E; - } - }else{ - info->cor1 |= CyPARITY_NONE; - } - - /* CTS flow control flag */ - if (cflag & CRTSCTS){ - info->flags |= ASYNC_CTS_FLOW; - info->cor2 |= CyCtsAE; - }else{ - info->flags &= ~ASYNC_CTS_FLOW; - info->cor2 &= ~CyCtsAE; + /* + * Set up the tty->alt_speed kludge + */ + if (info->tty) { + if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) + info->tty->alt_speed = 57600; + if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) + info->tty->alt_speed = 115200; + if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) + info->tty->alt_speed = 230400; + if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) + info->tty->alt_speed = 460800; } - if (cflag & CLOCAL) - info->flags &= ~ASYNC_CHECK_CD; - else - info->flags |= ASYNC_CHECK_CD; + + card = info->card; + channel = (info->line) - (cy_card[card].first_line); + chip_number = channel / 4; + + if (!IS_CYC_Z(cy_card[card])) { + + index = cy_card[card].bus_index; + + /* baud rate */ + baud = tty_get_baud_rate(info->tty); + if (baud == 38400 && (info->flags & ASYNC_SPD_MASK) == + ASYNC_SPD_CUST) { + if (info->custom_divisor) + baud_rate = info->baud / info->custom_divisor; + else + baud_rate = info->baud; + } else if (baud > CD1400_MAX_SPEED) { + baud = CD1400_MAX_SPEED; + } + /* find the baud index */ + for (i = 0; i < 20; i++) { + if (baud == baud_table[i]) { + break; + } + } + if (i == 20) { + i = 19; /* CD1400_MAX_SPEED */ + } + + if (baud == 38400 && (info->flags & ASYNC_SPD_MASK) == + ASYNC_SPD_CUST) { + cyy_baud_calc(info, baud_rate); + } else { + if (info->chip_rev >= CD1400_REV_J) { + /* It is a CD1400 rev. J or later */ + info->tbpr = baud_bpr_60[i]; /* Tx BPR */ + info->tco = baud_co_60[i]; /* Tx CO */ + info->rbpr = baud_bpr_60[i]; /* Rx BPR */ + info->rco = baud_co_60[i]; /* Rx CO */ + } else { + info->tbpr = baud_bpr_25[i]; /* Tx BPR */ + info->tco = baud_co_25[i]; /* Tx CO */ + info->rbpr = baud_bpr_25[i]; /* Rx BPR */ + info->rco = baud_co_25[i]; /* Rx CO */ + } + } + if (baud_table[i] == 134) { + /* get it right for 134.5 baud */ + info->timeout = (info->xmit_fifo_size * HZ * 30 / 269) + + 2; + } else if (baud == 38400 && (info->flags & ASYNC_SPD_MASK) == + ASYNC_SPD_CUST) { + info->timeout = (info->xmit_fifo_size * HZ * 15 / + baud_rate) + 2; + } else if (baud_table[i]) { + info->timeout = (info->xmit_fifo_size * HZ * 15 / + baud_table[i]) + 2; + /* this needs to be propagated into the card info */ + } else { + info->timeout = 0; + } + /* By tradition (is it a standard?) a baud rate of zero + implies the line should be/has been closed. A bit + later in this routine such a test is performed. */ + + /* byte size and parity */ + info->cor5 = 0; + info->cor4 = 0; + /* receive threshold */ + info->cor3 = (info->default_threshold ? + info->default_threshold : baud_cor3[i]); + info->cor2 = CyETC; + switch (cflag & CSIZE) { + case CS5: + info->cor1 = Cy_5_BITS; + break; + case CS6: + info->cor1 = Cy_6_BITS; + break; + case CS7: + info->cor1 = Cy_7_BITS; + break; + case CS8: + info->cor1 = Cy_8_BITS; + break; + } + if (cflag & CSTOPB) { + info->cor1 |= Cy_2_STOP; + } + if (cflag & PARENB) { + if (cflag & PARODD) { + info->cor1 |= CyPARITY_O; + } else { + info->cor1 |= CyPARITY_E; + } + } else { + info->cor1 |= CyPARITY_NONE; + } + + /* CTS flow control flag */ + if (cflag & CRTSCTS) { + info->flags |= ASYNC_CTS_FLOW; + info->cor2 |= CyCtsAE; + } else { + info->flags &= ~ASYNC_CTS_FLOW; + info->cor2 &= ~CyCtsAE; + } + if (cflag & CLOCAL) + info->flags &= ~ASYNC_CHECK_CD; + else + info->flags |= ASYNC_CHECK_CD; /*********************************************** The hardware option, CyRtsAO, presents RTS when @@ -3168,300 +3238,319 @@ set_line_char(struct cyclades_port * info) cable. Contact Marcio Saito for details. ***********************************************/ - chip = channel>>2; - channel &= 0x03; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); + chip = channel >> 2; + channel &= 0x03; + base_addr = cy_card[card].base_addr + + (cy_chip_offset[chip] << index); - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - - /* tx and rx baud rate */ - - cy_writeb(base_addr+(CyTCOR<<index), info->tco); - cy_writeb(base_addr+(CyTBPR<<index), info->tbpr); - cy_writeb(base_addr+(CyRCOR<<index), info->rco); - cy_writeb(base_addr+(CyRBPR<<index), info->rbpr); - - /* set line characteristics according configuration */ - - cy_writeb(base_addr+(CySCHR1<<index), - START_CHAR(info->tty)); - cy_writeb(base_addr+(CySCHR2<<index), - STOP_CHAR(info->tty)); - cy_writeb(base_addr+(CyCOR1<<index), info->cor1); - cy_writeb(base_addr+(CyCOR2<<index), info->cor2); - cy_writeb(base_addr+(CyCOR3<<index), info->cor3); - cy_writeb(base_addr+(CyCOR4<<index), info->cor4); - cy_writeb(base_addr+(CyCOR5<<index), info->cor5); - - cyy_issue_cmd(base_addr, - CyCOR_CHANGE|CyCOR1ch|CyCOR2ch|CyCOR3ch,index); - - cy_writeb(base_addr+(CyCAR<<index), - (u_char)channel); /* !!! Is this needed? */ - cy_writeb(base_addr+(CyRTPR<<index), (info->default_timeout - ? info->default_timeout - : 0x02)); /* 10ms rx timeout */ - - if (C_CLOCAL(info->tty)) { - /* without modem intr */ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) | CyMdmCh); - /* act on 1->0 modem transitions */ - if ((cflag & CRTSCTS) && info->rflow) { - cy_writeb(base_addr+(CyMCOR1<<index), - (CyCTS|rflow_thr[i])); - } else { - cy_writeb(base_addr+(CyMCOR1<<index), CyCTS); - } - /* act on 0->1 modem transitions */ - cy_writeb(base_addr+(CyMCOR2<<index), CyCTS); - } else { - /* without modem intr */ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) | CyMdmCh); - /* act on 1->0 modem transitions */ - if ((cflag & CRTSCTS) && info->rflow) { - cy_writeb(base_addr+(CyMCOR1<<index), - (CyDSR|CyCTS|CyRI|CyDCD|rflow_thr[i])); - } else { - cy_writeb(base_addr+(CyMCOR1<<index), - CyDSR|CyCTS|CyRI|CyDCD); - } - /* act on 0->1 modem transitions */ - cy_writeb(base_addr+(CyMCOR2<<index), - CyDSR|CyCTS|CyRI|CyDCD); - } - - if(i == 0){ /* baud rate is zero, turn off line */ - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS); + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), (u_char) channel); + + /* tx and rx baud rate */ + + cy_writeb(base_addr + (CyTCOR << index), info->tco); + cy_writeb(base_addr + (CyTBPR << index), info->tbpr); + cy_writeb(base_addr + (CyRCOR << index), info->rco); + cy_writeb(base_addr + (CyRBPR << index), info->rbpr); + + /* set line characteristics according configuration */ + + cy_writeb(base_addr + (CySCHR1 << index), + START_CHAR(info->tty)); + cy_writeb(base_addr + (CySCHR2 << index), STOP_CHAR(info->tty)); + cy_writeb(base_addr + (CyCOR1 << index), info->cor1); + cy_writeb(base_addr + (CyCOR2 << index), info->cor2); + cy_writeb(base_addr + (CyCOR3 << index), info->cor3); + cy_writeb(base_addr + (CyCOR4 << index), info->cor4); + cy_writeb(base_addr + (CyCOR5 << index), info->cor5); + + cyy_issue_cmd(base_addr, CyCOR_CHANGE | CyCOR1ch | CyCOR2ch | + CyCOR3ch, index); + + cy_writeb(base_addr + (CyCAR << index), (u_char) channel); /* !!! Is this needed? */ + cy_writeb(base_addr + (CyRTPR << index), + (info->default_timeout ? info->default_timeout : 0x02)); + /* 10ms rx timeout */ + + if (C_CLOCAL(info->tty)) { + /* without modem intr */ + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + + (CySRER << index)) | CyMdmCh); + /* act on 1->0 modem transitions */ + if ((cflag & CRTSCTS) && info->rflow) { + cy_writeb(base_addr + (CyMCOR1 << index), + (CyCTS | rflow_thr[i])); + } else { + cy_writeb(base_addr + (CyMCOR1 << index), + CyCTS); + } + /* act on 0->1 modem transitions */ + cy_writeb(base_addr + (CyMCOR2 << index), CyCTS); } else { - cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR); + /* without modem intr */ + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + + (CySRER << index)) | CyMdmCh); + /* act on 1->0 modem transitions */ + if ((cflag & CRTSCTS) && info->rflow) { + cy_writeb(base_addr + (CyMCOR1 << index), + (CyDSR | CyCTS | CyRI | CyDCD | + rflow_thr[i])); + } else { + cy_writeb(base_addr + (CyMCOR1 << index), + CyDSR | CyCTS | CyRI | CyDCD); + } + /* act on 0->1 modem transitions */ + cy_writeb(base_addr + (CyMCOR2 << index), + CyDSR | CyCTS | CyRI | CyDCD); } + + if (i == 0) { /* baud rate is zero, turn off line */ + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR1 << index), + ~CyRTS); + } else { + cy_writeb(base_addr + (CyMSVR2 << index), + ~CyDTR); + } #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char dropping DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr+(CyMSVR1<<index)), - cy_readb(base_addr+(CyMSVR2<<index))); + printk("cyc:set_line_char dropping DTR\n"); + printk(" status: 0x%x, 0x%x\n", + cy_readb(base_addr + (CyMSVR1 << index)), + cy_readb(base_addr + (CyMSVR2 << index))); #endif - }else{ - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR1<<index), CyRTS); - } else { - cy_writeb(base_addr+(CyMSVR2<<index), CyDTR); - } + } else { + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR1 << index), + CyRTS); + } else { + cy_writeb(base_addr + (CyMSVR2 << index), + CyDTR); + } #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr+(CyMSVR1<<index)), - cy_readb(base_addr+(CyMSVR2<<index))); + printk("cyc:set_line_char raising DTR\n"); + printk(" status: 0x%x, 0x%x\n", + cy_readb(base_addr + (CyMSVR1 << index)), + cy_readb(base_addr + (CyMSVR2 << index))); #endif - } - - if (info->tty){ - clear_bit(TTY_IO_ERROR, &info->tty->flags); - } - CY_UNLOCK(info, flags); + } - } else { - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - struct CH_CTRL __iomem *ch_ctrl; - struct BUF_CTRL __iomem *buf_ctrl; - uclong sw_flow; - int retval; - - firm_id = cy_card[card].base_addr + ID_ADDRESS; - if (!ISZLOADED(cy_card[card])) { - return; - } + if (info->tty) { + clear_bit(TTY_IO_ERROR, &info->tty->flags); + } + CY_UNLOCK(info, flags); - zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); - buf_ctrl = &zfw_ctrl->buf_ctrl[channel]; - - /* baud rate */ - baud = tty_get_baud_rate(info->tty); - if ((baud == 38400) && - ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) { - if (info->custom_divisor) - baud_rate = info->baud / info->custom_divisor; - else - baud_rate = info->baud; - } else if (baud > CYZ_MAX_SPEED) { - baud = CYZ_MAX_SPEED; - } - cy_writel(&ch_ctrl->comm_baud , baud); - - if (baud == 134) { - /* get it right for 134.5 baud */ - info->timeout = (info->xmit_fifo_size*HZ*30/269) + 2; - } else if ((baud == 38400) && - ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST)) { - info->timeout = (info->xmit_fifo_size*HZ*15/baud_rate) + 2; - } else if (baud) { - info->timeout = (info->xmit_fifo_size*HZ*15/baud) + 2; - /* this needs to be propagated into the card info */ } else { - info->timeout = 0; - } + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + struct CH_CTRL __iomem *ch_ctrl; + struct BUF_CTRL __iomem *buf_ctrl; + uclong sw_flow; + int retval; + + firm_id = cy_card[card].base_addr + ID_ADDRESS; + if (!ISZLOADED(cy_card[card])) { + return; + } - /* byte size and parity */ - switch(cflag & CSIZE){ - case CS5: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS5); break; - case CS6: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS6); break; - case CS7: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS7); break; - case CS8: cy_writel(&ch_ctrl->comm_data_l , C_DL_CS8); break; - } - if(cflag & CSTOPB){ - cy_writel(&ch_ctrl->comm_data_l, - cy_readl(&ch_ctrl->comm_data_l) | C_DL_2STOP); - }else{ - cy_writel(&ch_ctrl->comm_data_l, - cy_readl(&ch_ctrl->comm_data_l) | C_DL_1STOP); - } - if (cflag & PARENB){ - if (cflag & PARODD){ - cy_writel(&ch_ctrl->comm_parity , C_PR_ODD); - }else{ - cy_writel(&ch_ctrl->comm_parity , C_PR_EVEN); - } - }else{ - cy_writel(&ch_ctrl->comm_parity , C_PR_NONE); - } + zfw_ctrl = cy_card[card].base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]); + buf_ctrl = &zfw_ctrl->buf_ctrl[channel]; + + /* baud rate */ + baud = tty_get_baud_rate(info->tty); + if (baud == 38400 && (info->flags & ASYNC_SPD_MASK) == + ASYNC_SPD_CUST) { + if (info->custom_divisor) + baud_rate = info->baud / info->custom_divisor; + else + baud_rate = info->baud; + } else if (baud > CYZ_MAX_SPEED) { + baud = CYZ_MAX_SPEED; + } + cy_writel(&ch_ctrl->comm_baud, baud); + + if (baud == 134) { + /* get it right for 134.5 baud */ + info->timeout = (info->xmit_fifo_size * HZ * 30 / 269) + + 2; + } else if (baud == 38400 && (info->flags & ASYNC_SPD_MASK) == + ASYNC_SPD_CUST) { + info->timeout = (info->xmit_fifo_size * HZ * 15 / + baud_rate) + 2; + } else if (baud) { + info->timeout = (info->xmit_fifo_size * HZ * 15 / + baud) + 2; + /* this needs to be propagated into the card info */ + } else { + info->timeout = 0; + } - /* CTS flow control flag */ - if (cflag & CRTSCTS){ - cy_writel(&ch_ctrl->hw_flow, - cy_readl(&ch_ctrl->hw_flow) | C_RS_CTS | C_RS_RTS); - }else{ - cy_writel(&ch_ctrl->hw_flow, - cy_readl(&ch_ctrl->hw_flow) & ~(C_RS_CTS | C_RS_RTS)); - } - /* As the HW flow control is done in firmware, the driver doesn't - need to care about it */ - info->flags &= ~ASYNC_CTS_FLOW; - - /* XON/XOFF/XANY flow control flags */ - sw_flow = 0; - if (iflag & IXON){ - sw_flow |= C_FL_OXX; - if (iflag & IXANY) - sw_flow |= C_FL_OIXANY; - } - cy_writel(&ch_ctrl->sw_flow, sw_flow); + /* byte size and parity */ + switch (cflag & CSIZE) { + case CS5: + cy_writel(&ch_ctrl->comm_data_l, C_DL_CS5); + break; + case CS6: + cy_writel(&ch_ctrl->comm_data_l, C_DL_CS6); + break; + case CS7: + cy_writel(&ch_ctrl->comm_data_l, C_DL_CS7); + break; + case CS8: + cy_writel(&ch_ctrl->comm_data_l, C_DL_CS8); + break; + } + if (cflag & CSTOPB) { + cy_writel(&ch_ctrl->comm_data_l, + cy_readl(&ch_ctrl->comm_data_l) | C_DL_2STOP); + } else { + cy_writel(&ch_ctrl->comm_data_l, + cy_readl(&ch_ctrl->comm_data_l) | C_DL_1STOP); + } + if (cflag & PARENB) { + if (cflag & PARODD) { + cy_writel(&ch_ctrl->comm_parity, C_PR_ODD); + } else { + cy_writel(&ch_ctrl->comm_parity, C_PR_EVEN); + } + } else { + cy_writel(&ch_ctrl->comm_parity, C_PR_NONE); + } - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L); - if (retval != 0){ - printk("cyc:set_line_char retval on ttyC%d was %x\n", - info->line, retval); - } + /* CTS flow control flag */ + if (cflag & CRTSCTS) { + cy_writel(&ch_ctrl->hw_flow, + cy_readl(&ch_ctrl-> + hw_flow) | C_RS_CTS | C_RS_RTS); + } else { + cy_writel(&ch_ctrl->hw_flow, + cy_readl(&ch_ctrl-> + hw_flow) & ~(C_RS_CTS | C_RS_RTS)); + } + /* As the HW flow control is done in firmware, the driver + doesn't need to care about it */ + info->flags &= ~ASYNC_CTS_FLOW; + + /* XON/XOFF/XANY flow control flags */ + sw_flow = 0; + if (iflag & IXON) { + sw_flow |= C_FL_OXX; + if (iflag & IXANY) + sw_flow |= C_FL_OIXANY; + } + cy_writel(&ch_ctrl->sw_flow, sw_flow); - /* CD sensitivity */ - if (cflag & CLOCAL){ - info->flags &= ~ASYNC_CHECK_CD; - }else{ - info->flags |= ASYNC_CHECK_CD; - } + retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTL, 0L); + if (retval != 0) { + printk("cyc:set_line_char retval on ttyC%d was %x\n", + info->line, retval); + } + + /* CD sensitivity */ + if (cflag & CLOCAL) { + info->flags &= ~ASYNC_CHECK_CD; + } else { + info->flags |= ASYNC_CHECK_CD; + } - if(baud == 0){ /* baud rate is zero, turn off line */ - cy_writel(&ch_ctrl->rs_control, - cy_readl(&ch_ctrl->rs_control) & ~C_RS_DTR); + if (baud == 0) { /* baud rate is zero, turn off line */ + cy_writel(&ch_ctrl->rs_control, + cy_readl(&ch_ctrl->rs_control) & ~C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char dropping Z DTR\n"); + printk("cyc:set_line_char dropping Z DTR\n"); #endif - }else{ - cy_writel(&ch_ctrl->rs_control, - cy_readl(&ch_ctrl->rs_control) | C_RS_DTR); + } else { + cy_writel(&ch_ctrl->rs_control, + cy_readl(&ch_ctrl->rs_control) | C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_line_char raising Z DTR\n"); + printk("cyc:set_line_char raising Z DTR\n"); #endif - } + } - retval = cyz_issue_cmd( &cy_card[card], channel, C_CM_IOCTLM, 0L); - if (retval != 0){ - printk("cyc:set_line_char(2) retval on ttyC%d was %x\n", - info->line, retval); - } + retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_IOCTLM,0L); + if (retval != 0) { + printk("cyc:set_line_char(2) retval on ttyC%d was %x\n", + info->line, retval); + } - if (info->tty){ - clear_bit(TTY_IO_ERROR, &info->tty->flags); + if (info->tty) { + clear_bit(TTY_IO_ERROR, &info->tty->flags); + } } - } -} /* set_line_char */ - +} /* set_line_char */ static int -get_serial_info(struct cyclades_port * info, - struct serial_struct __user * retinfo) +get_serial_info(struct cyclades_port *info, + struct serial_struct __user * retinfo) { - struct serial_struct tmp; - struct cyclades_card *cinfo = &cy_card[info->card]; - - if (!retinfo) - return -EFAULT; - memset(&tmp, 0, sizeof(tmp)); - tmp.type = info->type; - tmp.line = info->line; - tmp.port = info->card * 0x100 + info->line - cinfo->first_line; - tmp.irq = cinfo->irq; - tmp.flags = info->flags; - tmp.close_delay = info->close_delay; - tmp.baud_base = info->baud; - tmp.custom_divisor = info->custom_divisor; - tmp.hub6 = 0; /*!!!*/ - return copy_to_user(retinfo,&tmp,sizeof(*retinfo))?-EFAULT:0; -} /* get_serial_info */ + struct serial_struct tmp; + struct cyclades_card *cinfo = &cy_card[info->card]; + if (!retinfo) + return -EFAULT; + memset(&tmp, 0, sizeof(tmp)); + tmp.type = info->type; + tmp.line = info->line; + tmp.port = info->card * 0x100 + info->line - cinfo->first_line; + tmp.irq = cinfo->irq; + tmp.flags = info->flags; + tmp.close_delay = info->close_delay; + tmp.baud_base = info->baud; + tmp.custom_divisor = info->custom_divisor; + tmp.hub6 = 0; /*!!! */ + return copy_to_user(retinfo, &tmp, sizeof(*retinfo)) ? -EFAULT : 0; +} /* get_serial_info */ static int -set_serial_info(struct cyclades_port * info, - struct serial_struct __user * new_info) +set_serial_info(struct cyclades_port *info, + struct serial_struct __user * new_info) { - struct serial_struct new_serial; - struct cyclades_port old_info; - - if (copy_from_user(&new_serial,new_info,sizeof(new_serial))) - return -EFAULT; - old_info = *info; - - if (!capable(CAP_SYS_ADMIN)) { - if ((new_serial.close_delay != info->close_delay) || - (new_serial.baud_base != info->baud) || - ((new_serial.flags & ASYNC_FLAGS & ~ASYNC_USR_MASK) != - (info->flags & ASYNC_FLAGS & ~ASYNC_USR_MASK))) - return -EPERM; - info->flags = ((info->flags & ~ASYNC_USR_MASK) | - (new_serial.flags & ASYNC_USR_MASK)); - info->baud = new_serial.baud_base; - info->custom_divisor = new_serial.custom_divisor; - goto check_and_exit; - } - - - /* - * OK, past this point, all the error checking has been done. - * At this point, we start making changes..... - */ - - info->baud = new_serial.baud_base; - info->custom_divisor = new_serial.custom_divisor; - info->flags = ((info->flags & ~ASYNC_FLAGS) | - (new_serial.flags & ASYNC_FLAGS)); - info->close_delay = new_serial.close_delay * HZ/100; - info->closing_wait = new_serial.closing_wait * HZ/100; + struct serial_struct new_serial; + struct cyclades_port old_info; + + if (copy_from_user(&new_serial, new_info, sizeof(new_serial))) + return -EFAULT; + old_info = *info; + + if (!capable(CAP_SYS_ADMIN)) { + if (new_serial.close_delay != info->close_delay || + new_serial.baud_base != info->baud || + (new_serial.flags & ASYNC_FLAGS & + ~ASYNC_USR_MASK) != + (info->flags & ASYNC_FLAGS & ~ASYNC_USR_MASK)) + return -EPERM; + info->flags = (info->flags & ~ASYNC_USR_MASK) | + (new_serial.flags & ASYNC_USR_MASK); + info->baud = new_serial.baud_base; + info->custom_divisor = new_serial.custom_divisor; + goto check_and_exit; + } + + /* + * OK, past this point, all the error checking has been done. + * At this point, we start making changes..... + */ + + info->baud = new_serial.baud_base; + info->custom_divisor = new_serial.custom_divisor; + info->flags = (info->flags & ~ASYNC_FLAGS) | + (new_serial.flags & ASYNC_FLAGS); + info->close_delay = new_serial.close_delay * HZ / 100; + info->closing_wait = new_serial.closing_wait * HZ / 100; check_and_exit: - if (info->flags & ASYNC_INITIALIZED){ - set_line_char(info); - return 0; - }else{ - return startup(info); - } -} /* set_serial_info */ + if (info->flags & ASYNC_INITIALIZED) { + set_line_char(info); + return 0; + } else { + return startup(info); + } +} /* set_serial_info */ /* * get_lsr_info - get line status register info @@ -3473,441 +3562,452 @@ check_and_exit: * transmit holding register is empty. This functionality * allows an RS485 driver to be written in user space. */ -static int get_lsr_info(struct cyclades_port *info, unsigned int __user *value) +static int get_lsr_info(struct cyclades_port *info, unsigned int __user * value) { - int card, chip, channel, index; - unsigned char status; - unsigned int result; - unsigned long flags; - void __iomem *base_addr; - - card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); + int card, chip, channel, index; + unsigned char status; + unsigned int result; + unsigned long flags; + void __iomem *base_addr; - CY_LOCK(info, flags); - status = cy_readb(base_addr+(CySRER<<index)) & (CyTxRdy|CyTxMpty); - CY_UNLOCK(info, flags); - result = (status ? 0 : TIOCSER_TEMT); - } else { - /* Not supported yet */ - return -EINVAL; - } - return put_user(result, (unsigned long __user *) value); + card = info->card; + channel = (info->line) - (cy_card[card].first_line); + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); + + CY_LOCK(info, flags); + status = cy_readb(base_addr + (CySRER << index)) & + (CyTxRdy | CyTxMpty); + CY_UNLOCK(info, flags); + result = (status ? 0 : TIOCSER_TEMT); + } else { + /* Not supported yet */ + return -EINVAL; + } + return put_user(result, (unsigned long __user *)value); } -static int -cy_tiocmget(struct tty_struct *tty, struct file *file) +static int cy_tiocmget(struct tty_struct *tty, struct file *file) { - struct cyclades_port * info = (struct cyclades_port *)tty->driver_data; - int card,chip,channel,index; - void __iomem *base_addr; - unsigned long flags; - unsigned char status; - unsigned long lstatus; - unsigned int result; - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - struct CH_CTRL __iomem *ch_ctrl; - - if (serial_paranoia_check(info, tty->name, __FUNCTION__)) - return -ENODEV; - - card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + int card, chip, channel, index; + void __iomem *base_addr; + unsigned long flags; + unsigned char status; + unsigned long lstatus; + unsigned int result; + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + struct CH_CTRL __iomem *ch_ctrl; + + if (serial_paranoia_check(info, tty->name, __FUNCTION__)) + return -ENODEV; - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - status = cy_readb(base_addr+(CyMSVR1<<index)); - status |= cy_readb(base_addr+(CyMSVR2<<index)); - CY_UNLOCK(info, flags); + card = info->card; + channel = (info->line) - (cy_card[card].first_line); + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); - if (info->rtsdtr_inv) { - result = ((status & CyRTS) ? TIOCM_DTR : 0) - | ((status & CyDTR) ? TIOCM_RTS : 0); + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), (u_char) channel); + status = cy_readb(base_addr + (CyMSVR1 << index)); + status |= cy_readb(base_addr + (CyMSVR2 << index)); + CY_UNLOCK(info, flags); + + if (info->rtsdtr_inv) { + result = ((status & CyRTS) ? TIOCM_DTR : 0) | + ((status & CyDTR) ? TIOCM_RTS : 0); + } else { + result = ((status & CyRTS) ? TIOCM_RTS : 0) | + ((status & CyDTR) ? TIOCM_DTR : 0); + } + result |= ((status & CyDCD) ? TIOCM_CAR : 0) | + ((status & CyRI) ? TIOCM_RNG : 0) | + ((status & CyDSR) ? TIOCM_DSR : 0) | + ((status & CyCTS) ? TIOCM_CTS : 0); } else { - result = ((status & CyRTS) ? TIOCM_RTS : 0) - | ((status & CyDTR) ? TIOCM_DTR : 0); - } - result |= ((status & CyDCD) ? TIOCM_CAR : 0) - | ((status & CyRI) ? TIOCM_RNG : 0) - | ((status & CyDSR) ? TIOCM_DSR : 0) - | ((status & CyCTS) ? TIOCM_CTS : 0); - } else { - base_addr = cy_card[card].base_addr; - - if (cy_card[card].num_chips != -1){ - return -EINVAL; - } + base_addr = cy_card[card].base_addr; - firm_id = cy_card[card].base_addr + ID_ADDRESS; - if (ISZLOADED(cy_card[card])) { - zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - ch_ctrl = zfw_ctrl->ch_ctrl; - lstatus = cy_readl(&ch_ctrl[channel].rs_status); - result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) - | ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) - | ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) - | ((lstatus & C_RS_RI) ? TIOCM_RNG : 0) - | ((lstatus & C_RS_DSR) ? TIOCM_DSR : 0) - | ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0); - }else{ - result = 0; - return -ENODEV; - } + if (cy_card[card].num_chips != -1) { + return -EINVAL; + } - } - return result; -} /* cy_tiomget */ + firm_id = cy_card[card].base_addr + ID_ADDRESS; + if (ISZLOADED(cy_card[card])) { + zfw_ctrl = cy_card[card].base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + ch_ctrl = zfw_ctrl->ch_ctrl; + lstatus = cy_readl(&ch_ctrl[channel].rs_status); + result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) | + ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) | + ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) | + ((lstatus & C_RS_RI) ? TIOCM_RNG : 0) | + ((lstatus & C_RS_DSR) ? TIOCM_DSR : 0) | + ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0); + } else { + result = 0; + return -ENODEV; + } + } + return result; +} /* cy_tiomget */ static int cy_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) + unsigned int set, unsigned int clear) { - struct cyclades_port * info = (struct cyclades_port *)tty->driver_data; - int card,chip,channel,index; - void __iomem *base_addr; - unsigned long flags; - struct FIRM_ID __iomem *firm_id; - struct ZFW_CTRL __iomem *zfw_ctrl; - struct BOARD_CTRL __iomem *board_ctrl; - struct CH_CTRL __iomem *ch_ctrl; - int retval; - - if (serial_paranoia_check(info, tty->name, __FUNCTION__)) - return -ENODEV; - - card = info->card; - channel = (info->line) - (cy_card[card].first_line); - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); - - if (set & TIOCM_RTS){ - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR2<<index), CyDTR); - } else { - cy_writeb(base_addr+(CyMSVR1<<index), CyRTS); - } - CY_UNLOCK(info, flags); - } - if (clear & TIOCM_RTS) { - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR); - } else { - cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS); - } - CY_UNLOCK(info, flags); - } - if (set & TIOCM_DTR){ - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR1<<index), CyRTS); - } else { - cy_writeb(base_addr+(CyMSVR2<<index), CyDTR); - } + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + int card, chip, channel, index; + void __iomem *base_addr; + unsigned long flags; + struct FIRM_ID __iomem *firm_id; + struct ZFW_CTRL __iomem *zfw_ctrl; + struct BOARD_CTRL __iomem *board_ctrl; + struct CH_CTRL __iomem *ch_ctrl; + int retval; + + if (serial_paranoia_check(info, tty->name, __FUNCTION__)) + return -ENODEV; + + card = info->card; + channel = (info->line) - (cy_card[card].first_line); + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); + + if (set & TIOCM_RTS) { + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR2 << index), + CyDTR); + } else { + cy_writeb(base_addr + (CyMSVR1 << index), + CyRTS); + } + CY_UNLOCK(info, flags); + } + if (clear & TIOCM_RTS) { + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR2 << index), + ~CyDTR); + } else { + cy_writeb(base_addr + (CyMSVR1 << index), + ~CyRTS); + } + CY_UNLOCK(info, flags); + } + if (set & TIOCM_DTR) { + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR1 << index), + CyRTS); + } else { + cy_writeb(base_addr + (CyMSVR2 << index), + CyDTR); + } #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info raising DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr+(CyMSVR1<<index)), - cy_readb(base_addr+(CyMSVR2<<index))); + printk("cyc:set_modem_info raising DTR\n"); + printk(" status: 0x%x, 0x%x\n", + cy_readb(base_addr + (CyMSVR1 << index)), + cy_readb(base_addr + (CyMSVR2 << index))); #endif - CY_UNLOCK(info, flags); - } - if (clear & TIOCM_DTR) { - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS); - } else { - cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR); - } + CY_UNLOCK(info, flags); + } + if (clear & TIOCM_DTR) { + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR1 << index), + ~CyRTS); + } else { + cy_writeb(base_addr + (CyMSVR2 << index), + ~CyDTR); + } #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info dropping DTR\n"); - printk(" status: 0x%x, 0x%x\n", - cy_readb(base_addr+(CyMSVR1<<index)), - cy_readb(base_addr+(CyMSVR2<<index))); + printk("cyc:set_modem_info dropping DTR\n"); + printk(" status: 0x%x, 0x%x\n", + cy_readb(base_addr + (CyMSVR1 << index)), + cy_readb(base_addr + (CyMSVR2 << index))); #endif - CY_UNLOCK(info, flags); - } - } else { - base_addr = cy_card[card].base_addr; - - firm_id = cy_card[card].base_addr + ID_ADDRESS; - if (ISZLOADED(cy_card[card])) { - zfw_ctrl = cy_card[card].base_addr + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); - board_ctrl = &zfw_ctrl->board_ctrl; - ch_ctrl = zfw_ctrl->ch_ctrl; - - if (set & TIOCM_RTS){ - CY_LOCK(info, flags); - cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel].rs_control) | C_RS_RTS); - CY_UNLOCK(info, flags); - } - if (clear & TIOCM_RTS) { - CY_LOCK(info, flags); - cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel].rs_control) & ~C_RS_RTS); - CY_UNLOCK(info, flags); - } - if (set & TIOCM_DTR){ - CY_LOCK(info, flags); - cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel].rs_control) | C_RS_DTR); + CY_UNLOCK(info, flags); + } + } else { + base_addr = cy_card[card].base_addr; + + firm_id = cy_card[card].base_addr + ID_ADDRESS; + if (ISZLOADED(cy_card[card])) { + zfw_ctrl = cy_card[card].base_addr + + (cy_readl(&firm_id->zfwctrl_addr) & 0xfffff); + board_ctrl = &zfw_ctrl->board_ctrl; + ch_ctrl = zfw_ctrl->ch_ctrl; + + if (set & TIOCM_RTS) { + CY_LOCK(info, flags); + cy_writel(&ch_ctrl[channel].rs_control, + cy_readl(&ch_ctrl[channel]. + rs_control) | C_RS_RTS); + CY_UNLOCK(info, flags); + } + if (clear & TIOCM_RTS) { + CY_LOCK(info, flags); + cy_writel(&ch_ctrl[channel].rs_control, + cy_readl(&ch_ctrl[channel]. + rs_control) & ~C_RS_RTS); + CY_UNLOCK(info, flags); + } + if (set & TIOCM_DTR) { + CY_LOCK(info, flags); + cy_writel(&ch_ctrl[channel].rs_control, + cy_readl(&ch_ctrl[channel]. + rs_control) | C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info raising Z DTR\n"); + printk("cyc:set_modem_info raising Z DTR\n"); #endif - CY_UNLOCK(info, flags); - } - if (clear & TIOCM_DTR) { - CY_LOCK(info, flags); - cy_writel(&ch_ctrl[channel].rs_control, - cy_readl(&ch_ctrl[channel].rs_control) & ~C_RS_DTR); + CY_UNLOCK(info, flags); + } + if (clear & TIOCM_DTR) { + CY_LOCK(info, flags); + cy_writel(&ch_ctrl[channel].rs_control, + cy_readl(&ch_ctrl[channel]. + rs_control) & ~C_RS_DTR); #ifdef CY_DEBUG_DTR - printk("cyc:set_modem_info clearing Z DTR\n"); + printk("cyc:set_modem_info clearing Z DTR\n"); #endif - CY_UNLOCK(info, flags); - } - }else{ - return -ENODEV; - } - CY_LOCK(info, flags); - retval = cyz_issue_cmd(&cy_card[info->card], - channel, C_CM_IOCTLM,0L); - if (retval != 0){ - printk("cyc:set_modem_info retval on ttyC%d was %x\n", - info->line, retval); + CY_UNLOCK(info, flags); + } + } else { + return -ENODEV; + } + CY_LOCK(info, flags); + retval = cyz_issue_cmd(&cy_card[info->card], + channel, C_CM_IOCTLM, 0L); + if (retval != 0) { + printk("cyc:set_modem_info retval on ttyC%d was %x\n", + info->line, retval); + } + CY_UNLOCK(info, flags); } - CY_UNLOCK(info, flags); - } - return 0; -} /* cy_tiocmset */ + return 0; +} /* cy_tiocmset */ /* * cy_break() --- routine which turns the break handling on or off */ -static void -cy_break(struct tty_struct *tty, int break_state) +static void cy_break(struct tty_struct *tty, int break_state) { - struct cyclades_port * info = (struct cyclades_port *)tty->driver_data; - unsigned long flags; - - if (serial_paranoia_check(info, tty->name, "cy_break")) - return; - - CY_LOCK(info, flags); - if (!IS_CYC_Z(cy_card[info->card])) { - /* Let the transmit ISR take care of this (since it - requires stuffing characters into the output stream). - */ - if (break_state == -1) { - if (!info->breakon) { - info->breakon = 1; - if (!info->xmit_cnt) { - CY_UNLOCK(info, flags); - start_xmit(info); - CY_LOCK(info, flags); + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + unsigned long flags; + + if (serial_paranoia_check(info, tty->name, "cy_break")) + return; + + CY_LOCK(info, flags); + if (!IS_CYC_Z(cy_card[info->card])) { + /* Let the transmit ISR take care of this (since it + requires stuffing characters into the output stream). + */ + if (break_state == -1) { + if (!info->breakon) { + info->breakon = 1; + if (!info->xmit_cnt) { + CY_UNLOCK(info, flags); + start_xmit(info); + CY_LOCK(info, flags); + } + } + } else { + if (!info->breakoff) { + info->breakoff = 1; + if (!info->xmit_cnt) { + CY_UNLOCK(info, flags); + start_xmit(info); + CY_LOCK(info, flags); + } + } } - } } else { - if (!info->breakoff) { - info->breakoff = 1; - if (!info->xmit_cnt) { - CY_UNLOCK(info, flags); - start_xmit(info); - CY_LOCK(info, flags); + int retval; + + if (break_state == -1) { + retval = cyz_issue_cmd(&cy_card[info->card], + info->line - cy_card[info->card].first_line, + C_CM_SET_BREAK, 0L); + if (retval != 0) { + printk("cyc:cy_break (set) retval on ttyC%d " + "was %x\n", info->line, retval); + } + } else { + retval = cyz_issue_cmd(&cy_card[info->card], + info->line - cy_card[info->card].first_line, + C_CM_CLR_BREAK, 0L); + if (retval != 0) { + printk("cyc:cy_break (clr) retval on ttyC%d " + "was %x\n", info->line, retval); + } } - } - } - } else { - int retval; - - if (break_state == -1) { - retval = cyz_issue_cmd(&cy_card[info->card], - (info->line) - (cy_card[info->card].first_line), - C_CM_SET_BREAK, 0L); - if (retval != 0) { - printk("cyc:cy_break (set) retval on ttyC%d was %x\n", - info->line, retval); - } - } else { - retval = cyz_issue_cmd(&cy_card[info->card], - (info->line) - (cy_card[info->card].first_line), - C_CM_CLR_BREAK, 0L); - if (retval != 0) { - printk("cyc:cy_break (clr) retval on ttyC%d was %x\n", - info->line, retval); - } } - } - CY_UNLOCK(info, flags); -} /* cy_break */ + CY_UNLOCK(info, flags); +} /* cy_break */ static int -get_mon_info(struct cyclades_port * info, struct cyclades_monitor __user * mon) +get_mon_info(struct cyclades_port *info, struct cyclades_monitor __user * mon) { - if(copy_to_user(mon, &info->mon, sizeof(struct cyclades_monitor))) - return -EFAULT; - info->mon.int_count = 0; - info->mon.char_count = 0; - info->mon.char_max = 0; - info->mon.char_last = 0; - return 0; -}/* get_mon_info */ - + if (copy_to_user(mon, &info->mon, sizeof(struct cyclades_monitor))) + return -EFAULT; + info->mon.int_count = 0; + info->mon.char_count = 0; + info->mon.char_max = 0; + info->mon.char_last = 0; + return 0; +} /* get_mon_info */ -static int -set_threshold(struct cyclades_port * info, unsigned long value) +static int set_threshold(struct cyclades_port *info, unsigned long value) { - void __iomem *base_addr; - int card,channel,chip,index; - unsigned long flags; - - card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); - - info->cor3 &= ~CyREC_FIFO; - info->cor3 |= value & CyREC_FIFO; + void __iomem *base_addr; + int card, channel, chip, index; + unsigned long flags; - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCOR3<<index), info->cor3); - cyy_issue_cmd(base_addr,CyCOR_CHANGE|CyCOR3ch,index); - CY_UNLOCK(info, flags); - } else { - // Nothing to do! - } - return 0; -}/* set_threshold */ + card = info->card; + channel = info->line - cy_card[card].first_line; + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); + info->cor3 &= ~CyREC_FIFO; + info->cor3 |= value & CyREC_FIFO; -static int -get_threshold(struct cyclades_port * info, unsigned long __user *value) -{ - void __iomem *base_addr; - int card,channel,chip,index; - unsigned long tmp; - - card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); - - tmp = cy_readb(base_addr+(CyCOR3<<index)) & CyREC_FIFO; - return put_user(tmp,value); - } else { - // Nothing to do! + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCOR3 << index), info->cor3); + cyy_issue_cmd(base_addr, CyCOR_CHANGE | CyCOR3ch, index); + CY_UNLOCK(info, flags); + } else { + /* Nothing to do! */ + } return 0; - } -}/* get_threshold */ - +} /* set_threshold */ static int -set_default_threshold(struct cyclades_port * info, unsigned long value) +get_threshold(struct cyclades_port *info, unsigned long __user * value) { - info->default_threshold = value & 0x0f; - return 0; -}/* set_default_threshold */ + void __iomem *base_addr; + int card, channel, chip, index; + unsigned long tmp; + card = info->card; + channel = info->line - cy_card[card].first_line; + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); + + tmp = cy_readb(base_addr + (CyCOR3 << index)) & CyREC_FIFO; + return put_user(tmp, value); + } else { + /* Nothing to do! */ + return 0; + } +} /* get_threshold */ static int -get_default_threshold(struct cyclades_port * info, unsigned long __user *value) +set_default_threshold(struct cyclades_port *info, unsigned long value) { - return put_user(info->default_threshold,value); -}/* get_default_threshold */ - + info->default_threshold = value & 0x0f; + return 0; +} /* set_default_threshold */ static int -set_timeout(struct cyclades_port * info, unsigned long value) +get_default_threshold(struct cyclades_port *info, unsigned long __user * value) { - void __iomem *base_addr; - int card,channel,chip,index; - unsigned long flags; - - card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); + return put_user(info->default_threshold, value); +} /* get_default_threshold */ - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyRTPR<<index), value & 0xff); - CY_UNLOCK(info, flags); - } else { - // Nothing to do! - } - return 0; -}/* set_timeout */ +static int set_timeout(struct cyclades_port *info, unsigned long value) +{ + void __iomem *base_addr; + int card, channel, chip, index; + unsigned long flags; + card = info->card; + channel = info->line - cy_card[card].first_line; + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); -static int -get_timeout(struct cyclades_port * info, unsigned long __user *value) -{ - void __iomem *base_addr; - int card,channel,chip,index; - unsigned long tmp; - - card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); - - tmp = cy_readb(base_addr+(CyRTPR<<index)); - return put_user(tmp,value); - } else { - // Nothing to do! + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyRTPR << index), value & 0xff); + CY_UNLOCK(info, flags); + } else { + /* Nothing to do! */ + } return 0; - } -}/* get_timeout */ - +} /* set_timeout */ -static int -set_default_timeout(struct cyclades_port * info, unsigned long value) +static int get_timeout(struct cyclades_port *info, unsigned long __user * value) { - info->default_timeout = value & 0xff; - return 0; -}/* set_default_timeout */ + void __iomem *base_addr; + int card, channel, chip, index; + unsigned long tmp; + card = info->card; + channel = info->line - cy_card[card].first_line; + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = + cy_card[card].base_addr + (cy_chip_offset[chip] << index); + + tmp = cy_readb(base_addr + (CyRTPR << index)); + return put_user(tmp, value); + } else { + /* Nothing to do! */ + return 0; + } +} /* get_timeout */ + +static int set_default_timeout(struct cyclades_port *info, unsigned long value) +{ + info->default_timeout = value & 0xff; + return 0; +} /* set_default_timeout */ static int -get_default_timeout(struct cyclades_port * info, unsigned long __user *value) +get_default_timeout(struct cyclades_port *info, unsigned long __user * value) { - return put_user(info->default_timeout,value); -}/* get_default_timeout */ + return put_user(info->default_timeout, value); +} /* get_default_timeout */ /* * This routine allows the tty driver to implement device- @@ -3915,184 +4015,193 @@ get_default_timeout(struct cyclades_port * info, unsigned long __user *value) * not recognized by the driver, it should return ENOIOCTLCMD. */ static int -cy_ioctl(struct tty_struct *tty, struct file * file, - unsigned int cmd, unsigned long arg) +cy_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) { - struct cyclades_port * info = (struct cyclades_port *)tty->driver_data; - struct cyclades_icount cprev, cnow; /* kernel counter temps */ - struct serial_icounter_struct __user *p_cuser; /* user space */ - int ret_val = 0; - unsigned long flags; - void __user *argp = (void __user *)arg; - - if (serial_paranoia_check(info, tty->name, "cy_ioctl")) - return -ENODEV; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_icount cprev, cnow; /* kernel counter temps */ + struct serial_icounter_struct __user *p_cuser; /* user space */ + int ret_val = 0; + unsigned long flags; + void __user *argp = (void __user *)arg; + + if (serial_paranoia_check(info, tty->name, "cy_ioctl")) + return -ENODEV; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n", - info->line, cmd, arg); /* */ + printk("cyc:cy_ioctl ttyC%d, cmd = %x arg = %lx\n", info->line, cmd, arg); /* */ #endif - switch (cmd) { - case CYGETMON: - ret_val = get_mon_info(info, argp); - break; - case CYGETTHRESH: - ret_val = get_threshold(info, argp); - break; - case CYSETTHRESH: - ret_val = set_threshold(info, arg); - break; - case CYGETDEFTHRESH: - ret_val = get_default_threshold(info, argp); - break; - case CYSETDEFTHRESH: - ret_val = set_default_threshold(info, arg); - break; - case CYGETTIMEOUT: - ret_val = get_timeout(info, argp); - break; - case CYSETTIMEOUT: - ret_val = set_timeout(info, arg); - break; - case CYGETDEFTIMEOUT: - ret_val = get_default_timeout(info, argp); - break; - case CYSETDEFTIMEOUT: - ret_val = set_default_timeout(info, arg); - break; + switch (cmd) { + case CYGETMON: + ret_val = get_mon_info(info, argp); + break; + case CYGETTHRESH: + ret_val = get_threshold(info, argp); + break; + case CYSETTHRESH: + ret_val = set_threshold(info, arg); + break; + case CYGETDEFTHRESH: + ret_val = get_default_threshold(info, argp); + break; + case CYSETDEFTHRESH: + ret_val = set_default_threshold(info, arg); + break; + case CYGETTIMEOUT: + ret_val = get_timeout(info, argp); + break; + case CYSETTIMEOUT: + ret_val = set_timeout(info, arg); + break; + case CYGETDEFTIMEOUT: + ret_val = get_default_timeout(info, argp); + break; + case CYSETDEFTIMEOUT: + ret_val = set_default_timeout(info, arg); + break; case CYSETRFLOW: - info->rflow = (int)arg; - ret_val = 0; - break; + info->rflow = (int)arg; + ret_val = 0; + break; case CYGETRFLOW: - ret_val = info->rflow; - break; + ret_val = info->rflow; + break; case CYSETRTSDTR_INV: - info->rtsdtr_inv = (int)arg; - ret_val = 0; - break; + info->rtsdtr_inv = (int)arg; + ret_val = 0; + break; case CYGETRTSDTR_INV: - ret_val = info->rtsdtr_inv; - break; + ret_val = info->rtsdtr_inv; + break; case CYGETCARDINFO: - if (copy_to_user(argp, &cy_card[info->card], - sizeof (struct cyclades_card))) { - ret_val = -EFAULT; + if (copy_to_user(argp, &cy_card[info->card], + sizeof(struct cyclades_card))) { + ret_val = -EFAULT; + break; + } + ret_val = 0; break; - } - ret_val = 0; - break; case CYGETCD1400VER: - ret_val = info->chip_rev; - break; + ret_val = info->chip_rev; + break; #ifndef CONFIG_CYZ_INTR case CYZSETPOLLCYCLE: - cyz_polling_cycle = (arg * HZ) / 1000; - ret_val = 0; - break; + cyz_polling_cycle = (arg * HZ) / 1000; + ret_val = 0; + break; case CYZGETPOLLCYCLE: - ret_val = (cyz_polling_cycle * 1000) / HZ; - break; -#endif /* CONFIG_CYZ_INTR */ + ret_val = (cyz_polling_cycle * 1000) / HZ; + break; +#endif /* CONFIG_CYZ_INTR */ case CYSETWAIT: - info->closing_wait = (unsigned short)arg * HZ/100; - ret_val = 0; - break; + info->closing_wait = (unsigned short)arg *HZ / 100; + ret_val = 0; + break; case CYGETWAIT: - ret_val = info->closing_wait / (HZ/100); - break; - case TIOCGSERIAL: - ret_val = get_serial_info(info, argp); - break; - case TIOCSSERIAL: - ret_val = set_serial_info(info, argp); - break; - case TIOCSERGETLSR: /* Get line status register */ - ret_val = get_lsr_info(info, argp); - break; - /* - * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change - * - mask passed in arg for lines of interest - * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) - * Caller should use TIOCGICOUNT to see which one it was - */ + ret_val = info->closing_wait / (HZ / 100); + break; + case TIOCGSERIAL: + ret_val = get_serial_info(info, argp); + break; + case TIOCSSERIAL: + ret_val = set_serial_info(info, argp); + break; + case TIOCSERGETLSR: /* Get line status register */ + ret_val = get_lsr_info(info, argp); + break; + /* + * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change + * - mask passed in arg for lines of interest + * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) + * Caller should use TIOCGICOUNT to see which one it was + */ case TIOCMIWAIT: - CY_LOCK(info, flags); - /* note the counters on entry */ - cprev = info->icount; - CY_UNLOCK(info, flags); - while (1) { - interruptible_sleep_on(&info->delta_msr_wait); - /* see if a signal did it */ - if (signal_pending(current)) { - return -ERESTARTSYS; - } - CY_LOCK(info, flags); - cnow = info->icount; /* atomic copy */ + /* note the counters on entry */ + cprev = info->icount; CY_UNLOCK(info, flags); + while (1) { + interruptible_sleep_on(&info->delta_msr_wait); + /* see if a signal did it */ + if (signal_pending(current)) { + return -ERESTARTSYS; + } - if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && - cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) { - return -EIO; /* no change => error */ - } - if ( ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || - ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || - ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || - ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts)) ) { - return 0; - } - cprev = cnow; - } - /* NOTREACHED */ + CY_LOCK(info, flags); + cnow = info->icount; /* atomic copy */ + CY_UNLOCK(info, flags); - /* - * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) - * Return: write counters to the user passed counter struct - * NB: both 1->0 and 0->1 transitions are counted except for - * RI where only 0->1 is counted. - */ + if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && + cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) { + return -EIO; /* no change => error */ + } + if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || + ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || + ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) || + ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) { + return 0; + } + cprev = cnow; + } + /* NOTREACHED */ + + /* + * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) + * Return: write counters to the user passed counter struct + * NB: both 1->0 and 0->1 transitions are counted except for + * RI where only 0->1 is counted. + */ case TIOCGICOUNT: - CY_LOCK(info, flags); - cnow = info->icount; - CY_UNLOCK(info, flags); - p_cuser = argp; - ret_val = put_user(cnow.cts, &p_cuser->cts); - if (ret_val) return ret_val; - ret_val = put_user(cnow.dsr, &p_cuser->dsr); - if (ret_val) return ret_val; - ret_val = put_user(cnow.rng, &p_cuser->rng); - if (ret_val) return ret_val; - ret_val = put_user(cnow.dcd, &p_cuser->dcd); - if (ret_val) return ret_val; - ret_val = put_user(cnow.rx, &p_cuser->rx); - if (ret_val) return ret_val; - ret_val = put_user(cnow.tx, &p_cuser->tx); - if (ret_val) return ret_val; - ret_val = put_user(cnow.frame, &p_cuser->frame); - if (ret_val) return ret_val; - ret_val = put_user(cnow.overrun, &p_cuser->overrun); - if (ret_val) return ret_val; - ret_val = put_user(cnow.parity, &p_cuser->parity); - if (ret_val) return ret_val; - ret_val = put_user(cnow.brk, &p_cuser->brk); - if (ret_val) return ret_val; - ret_val = put_user(cnow.buf_overrun, &p_cuser->buf_overrun); - if (ret_val) return ret_val; - ret_val = 0; - break; - default: - ret_val = -ENOIOCTLCMD; - } + CY_LOCK(info, flags); + cnow = info->icount; + CY_UNLOCK(info, flags); + p_cuser = argp; + ret_val = put_user(cnow.cts, &p_cuser->cts); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.dsr, &p_cuser->dsr); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.rng, &p_cuser->rng); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.dcd, &p_cuser->dcd); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.rx, &p_cuser->rx); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.tx, &p_cuser->tx); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.frame, &p_cuser->frame); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.overrun, &p_cuser->overrun); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.parity, &p_cuser->parity); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.brk, &p_cuser->brk); + if (ret_val) + return ret_val; + ret_val = put_user(cnow.buf_overrun, &p_cuser->buf_overrun); + if (ret_val) + return ret_val; + ret_val = 0; + break; + default: + ret_val = -ENOIOCTLCMD; + } #ifdef CY_DEBUG_OTHER - printk(" cyc:cy_ioctl done\n"); + printk(" cyc:cy_ioctl done\n"); #endif - return ret_val; -} /* cy_ioctl */ - + return ret_val; +} /* cy_ioctl */ /* * This routine allows the tty driver to be notified when @@ -4100,66 +4209,64 @@ cy_ioctl(struct tty_struct *tty, struct file * file, * well-designed tty driver should be prepared to accept the case * where old == NULL, and try to do something rational. */ -static void -cy_set_termios(struct tty_struct *tty, struct termios * old_termios) +static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_set_termios ttyC%d\n", info->line); + printk("cyc:cy_set_termios ttyC%d\n", info->line); #endif - if ((tty->termios->c_cflag == old_termios->c_cflag) && - ((tty->termios->c_iflag & (IXON|IXANY)) == - (old_termios->c_iflag & (IXON|IXANY)))) - return; - set_line_char(info); - - if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) { - tty->hw_stopped = 0; - cy_start(tty); - } + if (tty->termios->c_cflag == old_termios->c_cflag && + (tty->termios->c_iflag & (IXON | IXANY)) == + (old_termios->c_iflag & (IXON | IXANY))) + return; + set_line_char(info); + + if ((old_termios->c_cflag & CRTSCTS) && + !(tty->termios->c_cflag & CRTSCTS)) { + tty->hw_stopped = 0; + cy_start(tty); + } #if 0 - /* - * No need to wake up processes in open wait, since they - * sample the CLOCAL flag once, and don't recheck it. - * XXX It's not clear whether the current behavior is correct - * or not. Hence, this may change..... - */ - if (!(old_termios->c_cflag & CLOCAL) && - (tty->termios->c_cflag & CLOCAL)) - wake_up_interruptible(&info->open_wait); + /* + * No need to wake up processes in open wait, since they + * sample the CLOCAL flag once, and don't recheck it. + * XXX It's not clear whether the current behavior is correct + * or not. Hence, this may change..... + */ + if (!(old_termios->c_cflag & CLOCAL) && + (tty->termios->c_cflag & CLOCAL)) + wake_up_interruptible(&info->open_wait); #endif - - return; -} /* cy_set_termios */ +} /* cy_set_termios */ /* This function is used to send a high-priority XON/XOFF character to the device. */ -static void -cy_send_xchar (struct tty_struct *tty, char ch) +static void cy_send_xchar(struct tty_struct *tty, char ch) { - struct cyclades_port *info = (struct cyclades_port *) tty->driver_data; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; int card, channel; - if (serial_paranoia_check (info, tty->name, "cy_send_xchar")) + if (serial_paranoia_check(info, tty->name, "cy_send_xchar")) return; - info->x_char = ch; + info->x_char = ch; if (ch) - cy_start (tty); + cy_start(tty); card = info->card; channel = info->line - cy_card[card].first_line; - if (IS_CYC_Z (cy_card[card])) { - if (ch == STOP_CHAR (tty)) - cyz_issue_cmd (&cy_card[card], channel, C_CM_SENDXOFF, 0L); - else if (ch == START_CHAR (tty)) - cyz_issue_cmd (&cy_card[card], channel, C_CM_SENDXON, 0L); + if (IS_CYC_Z(cy_card[card])) { + if (ch == STOP_CHAR(tty)) + cyz_issue_cmd(&cy_card[card], channel, C_CM_SENDXOFF, + 0L); + else if (ch == START_CHAR(tty)) + cyz_issue_cmd(&cy_card[card], channel, C_CM_SENDXON, + 0L); } } @@ -4167,260 +4274,248 @@ cy_send_xchar (struct tty_struct *tty, char ch) that incoming characters should be throttled because the input buffers are close to full. */ -static void -cy_throttle(struct tty_struct * tty) +static void cy_throttle(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - unsigned long flags; - void __iomem *base_addr; - int card,chip,channel,index; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + unsigned long flags; + void __iomem *base_addr; + int card, chip, channel, index; #ifdef CY_DEBUG_THROTTLE - char buf[64]; + char buf[64]; - printk("cyc:throttle %s: %d....ttyC%d\n", - tty_name(tty, buf), - tty->ldisc.chars_in_buffer(tty), info->line); + printk("cyc:throttle %s: %d....ttyC%d\n", tty_name(tty, buf), + tty->ldisc.chars_in_buffer(tty), info->line); #endif - if (serial_paranoia_check(info, tty->name, "cy_throttle")){ - return; - } - - card = info->card; - - if (I_IXOFF(tty)) { - if (!IS_CYC_Z (cy_card[card])) - cy_send_xchar (tty, STOP_CHAR (tty)); - else - info->throttle = 1; - } - - if (tty->termios->c_cflag & CRTSCTS) { - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); - - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR2<<index), ~CyDTR); - } else { - cy_writeb(base_addr+(CyMSVR1<<index), ~CyRTS); - } - CY_UNLOCK(info, flags); - } else { - info->throttle = 1; - } - } + if (serial_paranoia_check(info, tty->name, "cy_throttle")) { + return; + } - return; -} /* cy_throttle */ + card = info->card; + + if (I_IXOFF(tty)) { + if (!IS_CYC_Z(cy_card[card])) + cy_send_xchar(tty, STOP_CHAR(tty)); + else + info->throttle = 1; + } + if (tty->termios->c_cflag & CRTSCTS) { + channel = info->line - cy_card[card].first_line; + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = cy_card[card].base_addr + + (cy_chip_offset[chip] << index); + + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR2 << index), + ~CyDTR); + } else { + cy_writeb(base_addr + (CyMSVR1 << index), + ~CyRTS); + } + CY_UNLOCK(info, flags); + } else { + info->throttle = 1; + } + } +} /* cy_throttle */ /* * This routine notifies the tty driver that it should signal * that characters can now be sent to the tty without fear of * overrunning the input buffers of the line disciplines. */ -static void -cy_unthrottle(struct tty_struct * tty) +static void cy_unthrottle(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - unsigned long flags; - void __iomem *base_addr; - int card,chip,channel,index; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + unsigned long flags; + void __iomem *base_addr; + int card, chip, channel, index; #ifdef CY_DEBUG_THROTTLE - char buf[64]; - - printk("cyc:unthrottle %s: %d....ttyC%d\n", - tty_name(tty, buf), - tty->ldisc.chars_in_buffer(tty), info->line); -#endif + char buf[64]; - if (serial_paranoia_check(info, tty->name, "cy_unthrottle")){ - return; - } + printk("cyc:unthrottle %s: %d....ttyC%d\n", tty_name(tty, buf), + tty->ldisc.chars_in_buffer(tty), info->line); +#endif - if (I_IXOFF(tty)) { - if (info->x_char) - info->x_char = 0; - else - cy_send_xchar (tty, START_CHAR (tty)); - } - - if (tty->termios->c_cflag & CRTSCTS) { - card = info->card; - channel = info->line - cy_card[card].first_line; - if (!IS_CYC_Z(cy_card[card])) { - chip = channel>>2; - channel &= 0x03; - index = cy_card[card].bus_index; - base_addr = cy_card[card].base_addr + (cy_chip_offset[chip]<<index); - - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), (u_char)channel); - if (info->rtsdtr_inv) { - cy_writeb(base_addr+(CyMSVR2<<index), CyDTR); - } else { - cy_writeb(base_addr+(CyMSVR1<<index), CyRTS); - } - CY_UNLOCK(info, flags); - } else { - info->throttle = 0; + if (serial_paranoia_check(info, tty->name, "cy_unthrottle")) { + return; } - } - return; -} /* cy_unthrottle */ + if (I_IXOFF(tty)) { + if (info->x_char) + info->x_char = 0; + else + cy_send_xchar(tty, START_CHAR(tty)); + } + if (tty->termios->c_cflag & CRTSCTS) { + card = info->card; + channel = info->line - cy_card[card].first_line; + if (!IS_CYC_Z(cy_card[card])) { + chip = channel >> 2; + channel &= 0x03; + index = cy_card[card].bus_index; + base_addr = cy_card[card].base_addr + + (cy_chip_offset[chip] << index); + + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char) channel); + if (info->rtsdtr_inv) { + cy_writeb(base_addr + (CyMSVR2 << index), + CyDTR); + } else { + cy_writeb(base_addr + (CyMSVR1 << index), + CyRTS); + } + CY_UNLOCK(info, flags); + } else { + info->throttle = 0; + } + } +} /* cy_unthrottle */ /* cy_start and cy_stop provide software output flow control as a function of XON/XOFF, software CTS, and other such stuff. */ -static void -cy_stop(struct tty_struct *tty) +static void cy_stop(struct tty_struct *tty) { - struct cyclades_card *cinfo; - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - void __iomem *base_addr; - int chip,channel,index; - unsigned long flags; + struct cyclades_card *cinfo; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + void __iomem *base_addr; + int chip, channel, index; + unsigned long flags; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_stop ttyC%d\n", info->line); /* */ + printk("cyc:cy_stop ttyC%d\n", info->line); /* */ #endif - if (serial_paranoia_check(info, tty->name, "cy_stop")) - return; - - cinfo = &cy_card[info->card]; - channel = info->line - cinfo->first_line; - if (!IS_CYC_Z(*cinfo)) { - index = cinfo->bus_index; - chip = channel>>2; - channel &= 0x03; - base_addr = cy_card[info->card].base_addr + (cy_chip_offset[chip]<<index); - - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), - (u_char)(channel & 0x0003)); /* index channel */ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) & ~CyTxRdy); - CY_UNLOCK(info, flags); - } else { - // Nothing to do! - } + if (serial_paranoia_check(info, tty->name, "cy_stop")) + return; - return; -} /* cy_stop */ + cinfo = &cy_card[info->card]; + channel = info->line - cinfo->first_line; + if (!IS_CYC_Z(*cinfo)) { + index = cinfo->bus_index; + chip = channel >> 2; + channel &= 0x03; + base_addr = cy_card[info->card].base_addr + + (cy_chip_offset[chip] << index); + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), + (u_char)(channel & 0x0003)); /* index channel */ + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index)) & ~CyTxRdy); + CY_UNLOCK(info, flags); + } else { + /* Nothing to do! */ + } +} /* cy_stop */ -static void -cy_start(struct tty_struct *tty) +static void cy_start(struct tty_struct *tty) { - struct cyclades_card *cinfo; - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - void __iomem *base_addr; - int chip,channel,index; - unsigned long flags; + struct cyclades_card *cinfo; + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + void __iomem *base_addr; + int chip, channel, index; + unsigned long flags; #ifdef CY_DEBUG_OTHER - printk("cyc:cy_start ttyC%d\n", info->line); /* */ + printk("cyc:cy_start ttyC%d\n", info->line); /* */ #endif - if (serial_paranoia_check(info, tty->name, "cy_start")) - return; - - cinfo = &cy_card[info->card]; - channel = info->line - cinfo->first_line; - index = cinfo->bus_index; - if (!IS_CYC_Z(*cinfo)) { - chip = channel>>2; - channel &= 0x03; - base_addr = cy_card[info->card].base_addr + (cy_chip_offset[chip]<<index); - - CY_LOCK(info, flags); - cy_writeb(base_addr+(CyCAR<<index), - (u_char)(channel & 0x0003)); /* index channel */ - cy_writeb(base_addr+(CySRER<<index), - cy_readb(base_addr+(CySRER<<index)) | CyTxRdy); - CY_UNLOCK(info, flags); - } else { - // Nothing to do! - } + if (serial_paranoia_check(info, tty->name, "cy_start")) + return; - return; -} /* cy_start */ + cinfo = &cy_card[info->card]; + channel = info->line - cinfo->first_line; + index = cinfo->bus_index; + if (!IS_CYC_Z(*cinfo)) { + chip = channel >> 2; + channel &= 0x03; + base_addr = cy_card[info->card].base_addr + + (cy_chip_offset[chip] << index); + CY_LOCK(info, flags); + cy_writeb(base_addr + (CyCAR << index), (u_char) (channel & 0x0003)); /* index channel */ + cy_writeb(base_addr + (CySRER << index), + cy_readb(base_addr + (CySRER << index)) | CyTxRdy); + CY_UNLOCK(info, flags); + } else { + /* Nothing to do! */ + } +} /* cy_start */ -static void -cy_flush_buffer(struct tty_struct *tty) +static void cy_flush_buffer(struct tty_struct *tty) { - struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; - int card, channel, retval; - unsigned long flags; - + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + int card, channel, retval; + unsigned long flags; + #ifdef CY_DEBUG_IO - printk("cyc:cy_flush_buffer ttyC%d\n", info->line); /* */ + printk("cyc:cy_flush_buffer ttyC%d\n", info->line); /* */ #endif - if (serial_paranoia_check(info, tty->name, "cy_flush_buffer")) - return; - - card = info->card; - channel = (info->line) - (cy_card[card].first_line); + if (serial_paranoia_check(info, tty->name, "cy_flush_buffer")) + return; - CY_LOCK(info, flags); - info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; - CY_UNLOCK(info, flags); + card = info->card; + channel = (info->line) - (cy_card[card].first_line); - if (IS_CYC_Z(cy_card[card])) { /* If it is a Z card, flush the on-board - buffers as well */ CY_LOCK(info, flags); - retval = cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_TX, 0L); - if (retval != 0) { - printk("cyc: flush_buffer retval on ttyC%d was %x\n", - info->line, retval); - } + info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; CY_UNLOCK(info, flags); - } - tty_wakeup(tty); - wake_up_interruptible(&tty->write_wait); -} /* cy_flush_buffer */ + if (IS_CYC_Z(cy_card[card])) { /* If it is a Z card, flush the on-board + buffers as well */ + CY_LOCK(info, flags); + retval = + cyz_issue_cmd(&cy_card[card], channel, C_CM_FLUSH_TX, 0L); + if (retval != 0) { + printk("cyc: flush_buffer retval on ttyC%d was %x\n", + info->line, retval); + } + CY_UNLOCK(info, flags); + } + tty_wakeup(tty); + wake_up_interruptible(&tty->write_wait); +} /* cy_flush_buffer */ /* * cy_hangup() --- called by tty_hangup() when a hangup is signaled. */ -static void -cy_hangup(struct tty_struct *tty) +static void cy_hangup(struct tty_struct *tty) { - struct cyclades_port * info = (struct cyclades_port *)tty->driver_data; - + struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; + #ifdef CY_DEBUG_OTHER - printk("cyc:cy_hangup ttyC%d\n", info->line); /* */ + printk("cyc:cy_hangup ttyC%d\n", info->line); /* */ #endif - if (serial_paranoia_check(info, tty->name, "cy_hangup")) - return; + if (serial_paranoia_check(info, tty->name, "cy_hangup")) + return; - cy_flush_buffer(tty); - shutdown(info); - info->event = 0; - info->count = 0; + cy_flush_buffer(tty); + shutdown(info); + info->event = 0; + info->count = 0; #ifdef CY_DEBUG_COUNT - printk("cyc:cy_hangup (%d): setting count to 0\n", current->pid); + printk("cyc:cy_hangup (%d): setting count to 0\n", current->pid); #endif - info->tty = NULL; - info->flags &= ~ASYNC_NORMAL_ACTIVE; - wake_up_interruptible(&info->open_wait); -} /* cy_hangup */ - + info->tty = NULL; + info->flags &= ~ASYNC_NORMAL_ACTIVE; + wake_up_interruptible(&info->open_wait); +} /* cy_hangup */ /* * --------------------------------------------------------------------- @@ -4433,82 +4528,84 @@ cy_hangup(struct tty_struct *tty) /* initialize chips on Cyclom-Y card -- return number of valid chips (which is number of ports/4) */ static unsigned short __init -cyy_init_card(void __iomem *true_base_addr,int index) +cyy_init_card(void __iomem * true_base_addr, int index) { - unsigned int chip_number; - void __iomem *base_addr; - - cy_writeb(true_base_addr+(Cy_HwReset<<index), 0); - /* Cy_HwReset is 0x1400 */ - cy_writeb(true_base_addr+(Cy_ClrIntr<<index), 0); - /* Cy_ClrIntr is 0x1800 */ - udelay(500L); - - for(chip_number=0; chip_number<CyMAX_CHIPS_PER_CARD; chip_number++){ - base_addr = true_base_addr + (cy_chip_offset[chip_number]<<index); - mdelay(1); - if(cy_readb(base_addr+(CyCCR<<index)) != 0x00){ - /************* - printk(" chip #%d at %#6lx is never idle (CCR != 0)\n", - chip_number, (unsigned long)base_addr); - *************/ - return chip_number; - } - - cy_writeb(base_addr+(CyGFRCR<<index), 0); - udelay(10L); - - /* The Cyclom-16Y does not decode address bit 9 and therefore - cannot distinguish between references to chip 0 and a non- - existent chip 4. If the preceding clearing of the supposed - chip 4 GFRCR register appears at chip 0, there is no chip 4 - and this must be a Cyclom-16Y, not a Cyclom-32Ye. - */ - if (chip_number == 4 - && cy_readb(true_base_addr - + (cy_chip_offset[0]<<index) - + (CyGFRCR<<index)) == 0){ - return chip_number; - } - - cy_writeb(base_addr+(CyCCR<<index), CyCHIP_RESET); - mdelay(1); - - if(cy_readb(base_addr+(CyGFRCR<<index)) == 0x00){ - /* - printk(" chip #%d at %#6lx is not responding ", - chip_number, (unsigned long)base_addr); - printk("(GFRCR stayed 0)\n", - */ - return chip_number; - } - if((0xf0 & (cy_readb(base_addr+(CyGFRCR<<index)))) != 0x40){ - /* - printk(" chip #%d at %#6lx is not valid (GFRCR == %#2x)\n", - chip_number, (unsigned long)base_addr, - base_addr[CyGFRCR<<index]); - */ - return chip_number; - } - cy_writeb(base_addr+(CyGCR<<index), CyCH0_SERIAL); - if (cy_readb(base_addr+(CyGFRCR<<index)) >= CD1400_REV_J){ - /* It is a CD1400 rev. J or later */ - /* Impossible to reach 5ms with this chip. - Changed to 2ms instead (f = 500 Hz). */ - cy_writeb(base_addr+(CyPPR<<index), CyCLOCK_60_2MS); - } else { - /* f = 200 Hz */ - cy_writeb(base_addr+(CyPPR<<index), CyCLOCK_25_5MS); - } + unsigned int chip_number; + void __iomem *base_addr; + + cy_writeb(true_base_addr + (Cy_HwReset << index), 0); + /* Cy_HwReset is 0x1400 */ + cy_writeb(true_base_addr + (Cy_ClrIntr << index), 0); + /* Cy_ClrIntr is 0x1800 */ + udelay(500L); + + for (chip_number = 0; chip_number < CyMAX_CHIPS_PER_CARD; chip_number++) { + base_addr = + true_base_addr + (cy_chip_offset[chip_number] << index); + mdelay(1); + if (cy_readb(base_addr + (CyCCR << index)) != 0x00) { + /************* + printk(" chip #%d at %#6lx is never idle (CCR != 0)\n", + chip_number, (unsigned long)base_addr); + *************/ + return chip_number; + } + + cy_writeb(base_addr + (CyGFRCR << index), 0); + udelay(10L); + + /* The Cyclom-16Y does not decode address bit 9 and therefore + cannot distinguish between references to chip 0 and a non- + existent chip 4. If the preceding clearing of the supposed + chip 4 GFRCR register appears at chip 0, there is no chip 4 + and this must be a Cyclom-16Y, not a Cyclom-32Ye. + */ + if (chip_number == 4 && cy_readb(true_base_addr + + (cy_chip_offset[0] << index) + + (CyGFRCR << index)) == 0) { + return chip_number; + } + + cy_writeb(base_addr + (CyCCR << index), CyCHIP_RESET); + mdelay(1); + + if (cy_readb(base_addr + (CyGFRCR << index)) == 0x00) { + /* + printk(" chip #%d at %#6lx is not responding ", + chip_number, (unsigned long)base_addr); + printk("(GFRCR stayed 0)\n", + */ + return chip_number; + } + if ((0xf0 & (cy_readb(base_addr + (CyGFRCR << index)))) != + 0x40) { + /* + printk(" chip #%d at %#6lx is not valid (GFRCR == " + "%#2x)\n", + chip_number, (unsigned long)base_addr, + base_addr[CyGFRCR<<index]); + */ + return chip_number; + } + cy_writeb(base_addr + (CyGCR << index), CyCH0_SERIAL); + if (cy_readb(base_addr + (CyGFRCR << index)) >= CD1400_REV_J) { + /* It is a CD1400 rev. J or later */ + /* Impossible to reach 5ms with this chip. + Changed to 2ms instead (f = 500 Hz). */ + cy_writeb(base_addr + (CyPPR << index), CyCLOCK_60_2MS); + } else { + /* f = 200 Hz */ + cy_writeb(base_addr + (CyPPR << index), CyCLOCK_25_5MS); + } - /* - printk(" chip #%d at %#6lx is rev 0x%2x\n", - chip_number, (unsigned long)base_addr, - cy_readb(base_addr+(CyGFRCR<<index))); - */ - } - return chip_number; -} /* cyy_init_card */ + /* + printk(" chip #%d at %#6lx is rev 0x%2x\n", + chip_number, (unsigned long)base_addr, + cy_readb(base_addr+(CyGFRCR<<index))); + */ + } + return chip_number; +} /* cyy_init_card */ /* * --------------------------------------------------------------------- @@ -4516,126 +4613,124 @@ cyy_init_card(void __iomem *true_base_addr,int index) * sets global variables and return the number of ISA boards found. * --------------------------------------------------------------------- */ -static int __init -cy_detect_isa(void) +static int __init cy_detect_isa(void) { #ifdef CONFIG_ISA - unsigned short cy_isa_irq,nboard; - void __iomem *cy_isa_address; - unsigned short i,j,cy_isa_nchan; + unsigned short cy_isa_irq, nboard; + void __iomem *cy_isa_address; + unsigned short i, j, cy_isa_nchan; #ifdef MODULE - int isparam = 0; + int isparam = 0; #endif - nboard = 0; + nboard = 0; #ifdef MODULE /* Check for module parameters */ - for(i = 0 ; i < NR_CARDS; i++) { - if (maddr[i] || i) { - isparam = 1; - cy_isa_addresses[i] = maddr[i]; - } - if (!maddr[i]) - break; + for (i = 0; i < NR_CARDS; i++) { + if (maddr[i] || i) { + isparam = 1; + cy_isa_addresses[i] = maddr[i]; + } + if (!maddr[i]) + break; } #endif - /* scan the address table probing for Cyclom-Y/ISA boards */ - for (i = 0 ; i < NR_ISA_ADDRS ; i++) { - unsigned int isa_address = cy_isa_addresses[i]; - if (isa_address == 0x0000) { - return(nboard); - } + /* scan the address table probing for Cyclom-Y/ISA boards */ + for (i = 0; i < NR_ISA_ADDRS; i++) { + unsigned int isa_address = cy_isa_addresses[i]; + if (isa_address == 0x0000) { + return nboard; + } - /* probe for CD1400... */ + /* probe for CD1400... */ cy_isa_address = ioremap(isa_address, CyISA_Ywin); - cy_isa_nchan = CyPORTS_PER_CHIP * - cyy_init_card(cy_isa_address,0); - if (cy_isa_nchan == 0) { - continue; - } - + cy_isa_nchan = CyPORTS_PER_CHIP * + cyy_init_card(cy_isa_address, 0); + if (cy_isa_nchan == 0) { + continue; + } #ifdef MODULE if (isparam && irq[i]) - cy_isa_irq = irq[i]; + cy_isa_irq = irq[i]; else #endif - /* find out the board's irq by probing */ - cy_isa_irq = detect_isa_irq(cy_isa_address); - if (cy_isa_irq == 0) { - printk("Cyclom-Y/ISA found at 0x%lx ", - (unsigned long) cy_isa_address); - printk("but the IRQ could not be detected.\n"); - continue; - } - - if((cy_next_channel+cy_isa_nchan) > NR_PORTS) { - printk("Cyclom-Y/ISA found at 0x%lx ", - (unsigned long) cy_isa_address); - printk("but no more channels are available.\n"); - printk("Change NR_PORTS in cyclades.c and recompile kernel.\n"); - return(nboard); - } - /* fill the next cy_card structure available */ - for (j = 0 ; j < NR_CARDS ; j++) { - if (cy_card[j].base_addr == 0) break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclom-Y/ISA found at 0x%lx ", - (unsigned long) cy_isa_address); - printk("but no more cards can be used .\n"); - printk("Change NR_CARDS in cyclades.c and recompile kernel.\n"); - return(nboard); - } - - /* allocate IRQ */ - if(request_irq(cy_isa_irq, cyy_interrupt, - IRQF_DISABLED, "Cyclom-Y", &cy_card[j])) - { - printk("Cyclom-Y/ISA found at 0x%lx ", - (unsigned long) cy_isa_address); - printk("but could not allocate IRQ#%d.\n", - cy_isa_irq); - return(nboard); - } - - /* set cy_card */ - cy_card[j].base_addr = cy_isa_address; - cy_card[j].ctl_addr = NULL; - cy_card[j].irq = (int) cy_isa_irq; - cy_card[j].bus_index = 0; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = cy_isa_nchan/4; - nboard++; - - /* print message */ - printk("Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d, ", - j+1, (unsigned long) cy_isa_address, - (unsigned long)(cy_isa_address + (CyISA_Ywin - 1)), - cy_isa_irq); - printk("%d channels starting from port %d.\n", - cy_isa_nchan, cy_next_channel); - cy_next_channel += cy_isa_nchan; - } - return(nboard); + /* find out the board's irq by probing */ + cy_isa_irq = detect_isa_irq(cy_isa_address); + if (cy_isa_irq == 0) { + printk("Cyclom-Y/ISA found at 0x%lx ", + (unsigned long)cy_isa_address); + printk("but the IRQ could not be detected.\n"); + continue; + } + + if ((cy_next_channel + cy_isa_nchan) > NR_PORTS) { + printk("Cyclom-Y/ISA found at 0x%lx ", + (unsigned long)cy_isa_address); + printk("but no more channels are available.\n"); + printk("Change NR_PORTS in cyclades.c and recompile " + "kernel.\n"); + return nboard; + } + /* fill the next cy_card structure available */ + for (j = 0; j < NR_CARDS; j++) { + if (cy_card[j].base_addr == 0) + break; + } + if (j == NR_CARDS) { /* no more cy_cards available */ + printk("Cyclom-Y/ISA found at 0x%lx ", + (unsigned long)cy_isa_address); + printk("but no more cards can be used .\n"); + printk("Change NR_CARDS in cyclades.c and recompile " + "kernel.\n"); + return nboard; + } + + /* allocate IRQ */ + if (request_irq(cy_isa_irq, cyy_interrupt, + IRQF_DISABLED, "Cyclom-Y", &cy_card[j])) { + printk("Cyclom-Y/ISA found at 0x%lx ", + (unsigned long)cy_isa_address); + printk("but could not allocate IRQ#%d.\n", cy_isa_irq); + return nboard; + } + + /* set cy_card */ + cy_card[j].base_addr = cy_isa_address; + cy_card[j].ctl_addr = NULL; + cy_card[j].irq = (int)cy_isa_irq; + cy_card[j].bus_index = 0; + cy_card[j].first_line = cy_next_channel; + cy_card[j].num_chips = cy_isa_nchan / 4; + nboard++; + + /* print message */ + printk("Cyclom-Y/ISA #%d: 0x%lx-0x%lx, IRQ%d, ", + j + 1, (unsigned long)cy_isa_address, + (unsigned long)(cy_isa_address + (CyISA_Ywin - 1)), + cy_isa_irq); + printk("%d channels starting from port %d.\n", + cy_isa_nchan, cy_next_channel); + cy_next_channel += cy_isa_nchan; + } + return nboard; #else - return(0); -#endif /* CONFIG_ISA */ -} /* cy_detect_isa */ + return 0; +#endif /* CONFIG_ISA */ +} /* cy_detect_isa */ -static void -plx_init(void __iomem *addr, uclong initctl) +static void plx_init(void __iomem * addr, uclong initctl) { - /* Reset PLX */ - cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x40000000); - udelay(100L); - cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x40000000); - - /* Reload Config. Registers from EEPROM */ - cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x20000000); - udelay(100L); - cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x20000000); + /* Reset PLX */ + cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x40000000); + udelay(100L); + cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x40000000); + + /* Reload Config. Registers from EEPROM */ + cy_writel(addr + initctl, cy_readl(addr + initctl) | 0x20000000); + udelay(100L); + cy_writel(addr + initctl, cy_readl(addr + initctl) & ~0x20000000); } /* @@ -4644,43 +4739,42 @@ plx_init(void __iomem *addr, uclong initctl) * sets global variables and return the number of PCI boards found. * --------------------------------------------------------------------- */ -static int __init -cy_detect_pci(void) +static int __init cy_detect_pci(void) { #ifdef CONFIG_PCI - struct pci_dev *pdev = NULL; - unsigned char cyy_rev_id; - unsigned char cy_pci_irq = 0; - uclong cy_pci_phys0, cy_pci_phys2; - void __iomem *cy_pci_addr0, *cy_pci_addr2; - unsigned short i,j,cy_pci_nchan, plx_ver; - unsigned short device_id,dev_index = 0; - uclong mailbox; - uclong ZeIndex = 0; - void __iomem *Ze_addr0[NR_CARDS], *Ze_addr2[NR_CARDS]; - uclong Ze_phys0[NR_CARDS], Ze_phys2[NR_CARDS]; - unsigned char Ze_irq[NR_CARDS]; - struct pci_dev *Ze_pdev[NR_CARDS]; - - for (i = 0; i < NR_CARDS; i++) { - /* look for a Cyclades card by vendor and device id */ - while((device_id = cy_pci_dev_id[dev_index]) != 0) { - if((pdev = pci_get_device(PCI_VENDOR_ID_CYCLADES, - device_id, pdev)) == NULL) { - dev_index++; /* try next device id */ - } else { - break; /* found a board */ - } - } + struct pci_dev *pdev = NULL; + unsigned char cyy_rev_id; + unsigned char cy_pci_irq = 0; + uclong cy_pci_phys0, cy_pci_phys2; + void __iomem *cy_pci_addr0, *cy_pci_addr2; + unsigned short i, j, cy_pci_nchan, plx_ver; + unsigned short device_id, dev_index = 0; + uclong mailbox; + uclong ZeIndex = 0; + void __iomem *Ze_addr0[NR_CARDS], *Ze_addr2[NR_CARDS]; + uclong Ze_phys0[NR_CARDS], Ze_phys2[NR_CARDS]; + unsigned char Ze_irq[NR_CARDS]; + struct pci_dev *Ze_pdev[NR_CARDS]; + + for (i = 0; i < NR_CARDS; i++) { + /* look for a Cyclades card by vendor and device id */ + while ((device_id = cy_pci_dev_id[dev_index]) != 0) { + if ((pdev = pci_get_device(PCI_VENDOR_ID_CYCLADES, + device_id, pdev)) == NULL) { + dev_index++; /* try next device id */ + } else { + break; /* found a board */ + } + } if (device_id == 0) - break; + break; if (pci_enable_device(pdev)) - continue; + continue; - /* read PCI configuration area */ + /* read PCI configuration area */ cy_pci_irq = pdev->irq; cy_pci_phys0 = pci_resource_start(pdev, 0); cy_pci_phys2 = pci_resource_start(pdev, 2); @@ -4688,482 +4782,497 @@ cy_detect_pci(void) device_id &= ~PCI_DEVICE_ID_MASK; - if ((device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) - || (device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi)){ + if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo || + device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) { #ifdef CY_PCI_DEBUG - printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclom-Y/PCI:found winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); + printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ", + pdev->bus->number, pdev->devfn); + printk("rev_id=%d) IRQ%d\n", + cyy_rev_id, (int)cy_pci_irq); + printk("Cyclom-Y/PCI:found winaddr=0x%lx " + "ctladdr=0x%lx\n", + (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); #endif - if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) { - printk(" Warning: PCI I/O bit incorrectly set. " - "Ignoring it...\n"); - pdev->resource[2].flags &= ~IORESOURCE_IO; - } - - /* Although we don't use this I/O region, we should - request it from the kernel anyway, to avoid problems - with other drivers accessing it. */ - if (pci_request_regions(pdev, "Cyclom-Y") != 0) { - printk(KERN_ERR "cyclades: failed to reserve PCI resources\n"); - continue; - } + if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) { + printk(" Warning: PCI I/O bit incorrectly " + "set. Ignoring it...\n"); + pdev->resource[2].flags &= ~IORESOURCE_IO; + } + /* Although we don't use this I/O region, we should + request it from the kernel anyway, to avoid problems + with other drivers accessing it. */ + if (pci_request_regions(pdev, "Cyclom-Y") != 0) { + printk(KERN_ERR "cyclades: failed to reserve " + "PCI resources\n"); + continue; + } #if defined(__alpha__) - if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) { /* below 1M? */ - printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclom-Y/PCI:found winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); - printk("Cyclom-Y/PCI not supported for low addresses in " - "Alpha systems.\n"); - i--; - continue; - } + if (device_id == PCI_DEVICE_ID_CYCLOM_Y_Lo) { /* below 1M? */ + printk("Cyclom-Y/PCI (bus=0x0%x, pci_id=0x%x, ", + pdev->bus->number, pdev->devfn); + printk("rev_id=%d) IRQ%d\n", + cyy_rev_id, (int)cy_pci_irq); + printk("Cyclom-Y/PCI:found winaddr=0x%lx " + "ctladdr=0x%lx\n", + (ulong)cy_pci_phys2, + (ulong)cy_pci_phys0); + printk("Cyclom-Y/PCI not supported for low " + "addresses in Alpha systems.\n"); + i--; + continue; + } #endif - cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Yctl); - cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Ywin); + cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Yctl); + cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Ywin); #ifdef CY_PCI_DEBUG - printk("Cyclom-Y/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n", - (u_long)cy_pci_addr2, (u_long)cy_pci_addr0); + printk("Cyclom-Y/PCI: relocate winaddr=0x%lx " + "ctladdr=0x%lx\n", + (u_long)cy_pci_addr2, (u_long)cy_pci_addr0); #endif - cy_pci_nchan = (unsigned short)(CyPORTS_PER_CHIP * - cyy_init_card(cy_pci_addr2, 1)); - if(cy_pci_nchan == 0) { - printk("Cyclom-Y PCI host card with "); - printk("no Serial-Modules at 0x%lx.\n", - (ulong) cy_pci_phys2); - i--; - continue; - } - if((cy_next_channel+cy_pci_nchan) > NR_PORTS) { - printk("Cyclom-Y/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but no channels are available.\n"); - printk("Change NR_PORTS in cyclades.c and recompile kernel.\n"); - return(i); - } - /* fill the next cy_card structure available */ - for (j = 0 ; j < NR_CARDS ; j++) { - if (cy_card[j].base_addr == 0) break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclom-Y/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but no more cards can be used.\n"); - printk("Change NR_CARDS in cyclades.c and recompile kernel.\n"); - return(i); - } - - /* allocate IRQ */ - if(request_irq(cy_pci_irq, cyy_interrupt, - IRQF_SHARED, "Cyclom-Y", &cy_card[j])) - { - printk("Cyclom-Y/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but could not allocate IRQ%d.\n", - cy_pci_irq); - return(i); - } - - /* set cy_card */ - cy_card[j].base_phys = (ulong)cy_pci_phys2; - cy_card[j].ctl_phys = (ulong)cy_pci_phys0; - cy_card[j].base_addr = cy_pci_addr2; - cy_card[j].ctl_addr = cy_pci_addr0; - cy_card[j].irq = (int) cy_pci_irq; - cy_card[j].bus_index = 1; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = cy_pci_nchan/4; - cy_card[j].pdev = pdev; - - /* enable interrupts in the PCI interface */ - plx_ver = cy_readb(cy_pci_addr2 + CyPLX_VER) & 0x0f; - switch (plx_ver) { - case PLX_9050: - - cy_writeb(cy_pci_addr0+0x4c, 0x43); - break; - - case PLX_9060: - case PLX_9080: - default: /* Old boards, use PLX_9060 */ - - plx_init(cy_pci_addr0, 0x6c); - /* For some yet unknown reason, once the PLX9060 reloads - the EEPROM, the IRQ is lost and, thus, we have to - re-write it to the PCI config. registers. - This will remain here until we find a permanent fix. */ - pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, cy_pci_irq); - - cy_writew(cy_pci_addr0+0x68, - cy_readw(cy_pci_addr0+0x68)|0x0900); - break; - } + cy_pci_nchan = (unsigned short)(CyPORTS_PER_CHIP * + cyy_init_card(cy_pci_addr2, 1)); + if (cy_pci_nchan == 0) { + printk("Cyclom-Y PCI host card with "); + printk("no Serial-Modules at 0x%lx.\n", + (ulong) cy_pci_phys2); + i--; + continue; + } + if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { + printk("Cyclom-Y/PCI found at 0x%lx ", + (ulong) cy_pci_phys2); + printk("but no channels are available.\n"); + printk("Change NR_PORTS in cyclades.c and " + "recompile kernel.\n"); + return i; + } + /* fill the next cy_card structure available */ + for (j = 0; j < NR_CARDS; j++) { + if (cy_card[j].base_addr == 0) + break; + } + if (j == NR_CARDS) { /* no more cy_cards available */ + printk("Cyclom-Y/PCI found at 0x%lx ", + (ulong) cy_pci_phys2); + printk("but no more cards can be used.\n"); + printk("Change NR_CARDS in cyclades.c and " + "recompile kernel.\n"); + return i; + } + + /* allocate IRQ */ + if (request_irq(cy_pci_irq, cyy_interrupt, + IRQF_SHARED, "Cyclom-Y", &cy_card[j])) { + printk("Cyclom-Y/PCI found at 0x%lx ", + (ulong) cy_pci_phys2); + printk("but could not allocate IRQ%d.\n", + cy_pci_irq); + return i; + } - /* print message */ - printk("Cyclom-Y/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", - j+1, - (ulong)cy_pci_phys2, - (ulong)(cy_pci_phys2 + CyPCI_Ywin - 1), - (int)cy_pci_irq); - printk("%d channels starting from port %d.\n", - cy_pci_nchan, cy_next_channel); - - cy_next_channel += cy_pci_nchan; - }else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo){ - /* print message */ - printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclades-Z/PCI: found winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); - printk("Cyclades-Z/PCI not supported for low addresses\n"); - break; - }else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi){ + /* set cy_card */ + cy_card[j].base_phys = (ulong) cy_pci_phys2; + cy_card[j].ctl_phys = (ulong) cy_pci_phys0; + cy_card[j].base_addr = cy_pci_addr2; + cy_card[j].ctl_addr = cy_pci_addr0; + cy_card[j].irq = (int)cy_pci_irq; + cy_card[j].bus_index = 1; + cy_card[j].first_line = cy_next_channel; + cy_card[j].num_chips = cy_pci_nchan / 4; + cy_card[j].pdev = pdev; + + /* enable interrupts in the PCI interface */ + plx_ver = cy_readb(cy_pci_addr2 + CyPLX_VER) & 0x0f; + switch (plx_ver) { + case PLX_9050: + + cy_writeb(cy_pci_addr0 + 0x4c, 0x43); + break; + + case PLX_9060: + case PLX_9080: + default: /* Old boards, use PLX_9060 */ + + plx_init(cy_pci_addr0, 0x6c); + /* For some yet unknown reason, once the PLX9060 reloads + the EEPROM, the IRQ is lost and, thus, we have to + re-write it to the PCI config. registers. + This will remain here until we find a permanent + fix. */ + pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, + cy_pci_irq); + + cy_writew(cy_pci_addr0 + 0x68, + cy_readw(cy_pci_addr0 + + 0x68) | 0x0900); + break; + } + + /* print message */ + printk("Cyclom-Y/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", + j + 1, (ulong)cy_pci_phys2, + (ulong) (cy_pci_phys2 + CyPCI_Ywin - 1), + (int)cy_pci_irq); + printk("%d channels starting from port %d.\n", + cy_pci_nchan, cy_next_channel); + + cy_next_channel += cy_pci_nchan; + } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo) { + /* print message */ + printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ", + pdev->bus->number, pdev->devfn); + printk("rev_id=%d) IRQ%d\n", + cyy_rev_id, (int)cy_pci_irq); + printk("Cyclades-Z/PCI: found winaddr=0x%lx " + "ctladdr=0x%lx\n", + (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); + printk("Cyclades-Z/PCI not supported for low " + "addresses\n"); + break; + } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi) { #ifdef CY_PCI_DEBUG - printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ", - pdev->bus->number, pdev->devfn); - printk("rev_id=%d) IRQ%d\n", - cyy_rev_id, (int)cy_pci_irq); - printk("Cyclades-Z/PCI: found winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_phys2, (ulong)cy_pci_phys0); + printk("Cyclades-Z/PCI (bus=0x0%x, pci_id=0x%x, ", + pdev->bus->number, pdev->devfn); + printk("rev_id=%d) IRQ%d\n", + cyy_rev_id, (int)cy_pci_irq); + printk("Cyclades-Z/PCI: found winaddr=0x%lx " + "ctladdr=0x%lx\n", + (ulong) cy_pci_phys2, (ulong) cy_pci_phys0); #endif - cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Zctl); - - /* Disable interrupts on the PLX before resetting it */ - cy_writew(cy_pci_addr0+0x68, - cy_readw(cy_pci_addr0+0x68) & ~0x0900); - - plx_init(cy_pci_addr0, 0x6c); - /* For some yet unknown reason, once the PLX9060 reloads - the EEPROM, the IRQ is lost and, thus, we have to - re-write it to the PCI config. registers. - This will remain here until we find a permanent fix. */ - pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, cy_pci_irq); - - mailbox = (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *) - cy_pci_addr0)->mail_box_0); - - if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) { - printk(" Warning: PCI I/O bit incorrectly set. " - "Ignoring it...\n"); - pdev->resource[2].flags &= ~IORESOURCE_IO; - } + cy_pci_addr0 = ioremap(cy_pci_phys0, CyPCI_Zctl); + + /* Disable interrupts on the PLX before resetting it */ + cy_writew(cy_pci_addr0 + 0x68, + cy_readw(cy_pci_addr0 + 0x68) & ~0x0900); + + plx_init(cy_pci_addr0, 0x6c); + /* For some yet unknown reason, once the PLX9060 reloads + the EEPROM, the IRQ is lost and, thus, we have to + re-write it to the PCI config. registers. + This will remain here until we find a permanent + fix. */ + pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, + cy_pci_irq); + + mailbox = + (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *) + cy_pci_addr0)->mail_box_0); + + if (pci_resource_flags(pdev, 2) & IORESOURCE_IO) { + printk(" Warning: PCI I/O bit incorrectly " + "set. Ignoring it...\n"); + pdev->resource[2].flags &= ~IORESOURCE_IO; + } - /* Although we don't use this I/O region, we should - request it from the kernel anyway, to avoid problems - with other drivers accessing it. */ - if (pci_request_regions(pdev, "Cyclades-Z") != 0) { - printk(KERN_ERR "cyclades: failed to reserve PCI resources\n"); - continue; - } - - if (mailbox == ZE_V1) { - cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Ze_win); - if (ZeIndex == NR_CARDS) { - printk("Cyclades-Ze/PCI found at 0x%lx ", - (ulong)cy_pci_phys2); - printk("but no more cards can be used.\n"); - printk("Change NR_CARDS in cyclades.c and recompile kernel.\n"); - } else { - Ze_phys0[ZeIndex] = cy_pci_phys0; - Ze_phys2[ZeIndex] = cy_pci_phys2; - Ze_addr0[ZeIndex] = cy_pci_addr0; - Ze_addr2[ZeIndex] = cy_pci_addr2; - Ze_irq[ZeIndex] = cy_pci_irq; - Ze_pdev[ZeIndex] = pdev; - ZeIndex++; - } - i--; - continue; - } else { - cy_pci_addr2 = ioremap(cy_pci_phys2, CyPCI_Zwin); - } + /* Although we don't use this I/O region, we should + request it from the kernel anyway, to avoid problems + with other drivers accessing it. */ + if (pci_request_regions(pdev, "Cyclades-Z") != 0) { + printk(KERN_ERR "cyclades: failed to reserve " + "PCI resources\n"); + continue; + } + + if (mailbox == ZE_V1) { + cy_pci_addr2 = ioremap(cy_pci_phys2, + CyPCI_Ze_win); + if (ZeIndex == NR_CARDS) { + printk("Cyclades-Ze/PCI found at " + "0x%lx but no more cards can " + "be used.\nChange NR_CARDS in " + "cyclades.c and recompile " + "kernel.\n", + (ulong)cy_pci_phys2); + } else { + Ze_phys0[ZeIndex] = cy_pci_phys0; + Ze_phys2[ZeIndex] = cy_pci_phys2; + Ze_addr0[ZeIndex] = cy_pci_addr0; + Ze_addr2[ZeIndex] = cy_pci_addr2; + Ze_irq[ZeIndex] = cy_pci_irq; + Ze_pdev[ZeIndex] = pdev; + ZeIndex++; + } + i--; + continue; + } else { + cy_pci_addr2 = ioremap(cy_pci_phys2,CyPCI_Zwin); + } #ifdef CY_PCI_DEBUG - printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_addr2, (ulong)cy_pci_addr0); - if (mailbox == ZO_V1) { - cy_writel(&((struct RUNTIME_9060 *) - (cy_pci_addr0))->loc_addr_base, WIN_CREG); - PAUSE - printk("Cyclades-8Zo/PCI: FPGA id %lx, ver %lx\n", - (ulong)(0xff & cy_readl(&((struct CUSTOM_REG *) - (cy_pci_addr2))->fpga_id)), - (ulong)(0xff & cy_readl(&((struct CUSTOM_REG *) - (cy_pci_addr2))->fpga_version))); - cy_writel(&((struct RUNTIME_9060 *) - (cy_pci_addr0))->loc_addr_base, WIN_RAM); - } else { - printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not loaded\n"); - } + printk("Cyclades-Z/PCI: relocate winaddr=0x%lx " + "ctladdr=0x%lx\n", + (ulong) cy_pci_addr2, (ulong) cy_pci_addr0); + if (mailbox == ZO_V1) { + cy_writel(&((struct RUNTIME_9060 *) + (cy_pci_addr0))->loc_addr_base, + WIN_CREG); + PAUSE; + printk("Cyclades-8Zo/PCI: FPGA id %lx, ver " + "%lx\n", (ulong) (0xff & + cy_readl(&((struct CUSTOM_REG *) + (cy_pci_addr2))->fpga_id)), + (ulong)(0xff & + cy_readl(&((struct CUSTOM_REG *) + (cy_pci_addr2))-> + fpga_version))); + cy_writel(&((struct RUNTIME_9060 *) + (cy_pci_addr0))->loc_addr_base, + WIN_RAM); + } else { + printk("Cyclades-Z/PCI: New Cyclades-Z board. " + "FPGA not loaded\n"); + } #endif - /* The following clears the firmware id word. This ensures - that the driver will not attempt to talk to the board - until it has been properly initialized. - */ - PAUSE - if ((mailbox == ZO_V1) || (mailbox == ZO_V2)) - cy_writel(cy_pci_addr2 + ID_ADDRESS, 0L); - - /* This must be a Cyclades-8Zo/PCI. The extendable - version will have a different device_id and will - be allocated its maximum number of ports. */ - cy_pci_nchan = 8; - - if((cy_next_channel+cy_pci_nchan) > NR_PORTS) { - printk("Cyclades-8Zo/PCI found at 0x%lx ", - (ulong)cy_pci_phys2); - printk("but no channels are available.\n"); - printk("Change NR_PORTS in cyclades.c and recompile kernel.\n"); - return(i); - } - - /* fill the next cy_card structure available */ - for (j = 0 ; j < NR_CARDS ; j++) { - if (cy_card[j].base_addr == 0) break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclades-8Zo/PCI found at 0x%lx ", - (ulong)cy_pci_phys2); - printk("but no more cards can be used.\n"); - printk("Change NR_CARDS in cyclades.c and recompile kernel.\n"); - return(i); - } + /* The following clears the firmware id word. This + ensures that the driver will not attempt to talk to + the board until it has been properly initialized. + */ + PAUSE; + if ((mailbox == ZO_V1) || (mailbox == ZO_V2)) + cy_writel(cy_pci_addr2 + ID_ADDRESS, 0L); + + /* This must be a Cyclades-8Zo/PCI. The extendable + version will have a different device_id and will + be allocated its maximum number of ports. */ + cy_pci_nchan = 8; + + if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { + printk("Cyclades-8Zo/PCI found at 0x%lx but" + "no channels are available.\nChange " + "NR_PORTS in cyclades.c and recompile " + "kernel.\n", (ulong)cy_pci_phys2); + return i; + } + /* fill the next cy_card structure available */ + for (j = 0; j < NR_CARDS; j++) { + if (cy_card[j].base_addr == 0) + break; + } + if (j == NR_CARDS) { /* no more cy_cards available */ + printk("Cyclades-8Zo/PCI found at 0x%lx but" + "no more cards can be used.\nChange " + "NR_CARDS in cyclades.c and recompile " + "kernel.\n", (ulong)cy_pci_phys2); + return i; + } +#ifdef CONFIG_CYZ_INTR + /* allocate IRQ only if board has an IRQ */ + if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) { + if (request_irq(cy_pci_irq, cyz_interrupt, + IRQF_SHARED, "Cyclades-Z", + &cy_card[j])) { + printk("Cyclom-8Zo/PCI found at 0x%lx " + "but could not allocate " + "IRQ%d.\n", (ulong)cy_pci_phys2, + cy_pci_irq); + return i; + } + } +#endif /* CONFIG_CYZ_INTR */ + + /* set cy_card */ + cy_card[j].base_phys = cy_pci_phys2; + cy_card[j].ctl_phys = cy_pci_phys0; + cy_card[j].base_addr = cy_pci_addr2; + cy_card[j].ctl_addr = cy_pci_addr0; + cy_card[j].irq = (int)cy_pci_irq; + cy_card[j].bus_index = 1; + cy_card[j].first_line = cy_next_channel; + cy_card[j].num_chips = -1; + cy_card[j].pdev = pdev; + + /* print message */ #ifdef CONFIG_CYZ_INTR - /* allocate IRQ only if board has an IRQ */ - if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) { - if(request_irq(cy_pci_irq, cyz_interrupt, - IRQF_SHARED, "Cyclades-Z", &cy_card[j])) - { - printk("Cyclom-8Zo/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but could not allocate IRQ%d.\n", - cy_pci_irq); - return(i); - } + /* don't report IRQ if board is no IRQ */ + if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) + printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, " + "IRQ%d, ", j + 1, (ulong)cy_pci_phys2, + (ulong) (cy_pci_phys2 + CyPCI_Zwin - 1), + (int)cy_pci_irq); + else +#endif /* CONFIG_CYZ_INTR */ + printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, ", + j + 1, (ulong)cy_pci_phys2, + (ulong)(cy_pci_phys2 + CyPCI_Zwin - 1)); + + printk("%d channels starting from port %d.\n", + cy_pci_nchan, cy_next_channel); + cy_next_channel += cy_pci_nchan; } -#endif /* CONFIG_CYZ_INTR */ - - - /* set cy_card */ - cy_card[j].base_phys = cy_pci_phys2; - cy_card[j].ctl_phys = cy_pci_phys0; - cy_card[j].base_addr = cy_pci_addr2; - cy_card[j].ctl_addr = cy_pci_addr0; - cy_card[j].irq = (int) cy_pci_irq; - cy_card[j].bus_index = 1; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = -1; - cy_card[j].pdev = pdev; + } - /* print message */ -#ifdef CONFIG_CYZ_INTR - /* don't report IRQ if board is no IRQ */ - if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) - printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", - j+1,(ulong)cy_pci_phys2, - (ulong)(cy_pci_phys2 + CyPCI_Zwin - 1), - (int)cy_pci_irq); - else -#endif /* CONFIG_CYZ_INTR */ - printk("Cyclades-8Zo/PCI #%d: 0x%lx-0x%lx, ", - j+1,(ulong)cy_pci_phys2, - (ulong)(cy_pci_phys2 + CyPCI_Zwin - 1)); - - printk("%d channels starting from port %d.\n", - cy_pci_nchan,cy_next_channel); - cy_next_channel += cy_pci_nchan; - } - } - - for (; ZeIndex != 0 && i < NR_CARDS; i++) { - cy_pci_phys0 = Ze_phys0[0]; - cy_pci_phys2 = Ze_phys2[0]; - cy_pci_addr0 = Ze_addr0[0]; - cy_pci_addr2 = Ze_addr2[0]; - cy_pci_irq = Ze_irq[0]; - pdev = Ze_pdev[0]; - for (j = 0 ; j < ZeIndex-1 ; j++) { - Ze_phys0[j] = Ze_phys0[j+1]; - Ze_phys2[j] = Ze_phys2[j+1]; - Ze_addr0[j] = Ze_addr0[j+1]; - Ze_addr2[j] = Ze_addr2[j+1]; - Ze_irq[j] = Ze_irq[j+1]; - Ze_pdev[j] = Ze_pdev[j+1]; - } - ZeIndex--; - mailbox = (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *) - cy_pci_addr0)->mail_box_0); + for (; ZeIndex != 0 && i < NR_CARDS; i++) { + cy_pci_phys0 = Ze_phys0[0]; + cy_pci_phys2 = Ze_phys2[0]; + cy_pci_addr0 = Ze_addr0[0]; + cy_pci_addr2 = Ze_addr2[0]; + cy_pci_irq = Ze_irq[0]; + pdev = Ze_pdev[0]; + for (j = 0; j < ZeIndex - 1; j++) { + Ze_phys0[j] = Ze_phys0[j + 1]; + Ze_phys2[j] = Ze_phys2[j + 1]; + Ze_addr0[j] = Ze_addr0[j + 1]; + Ze_addr2[j] = Ze_addr2[j + 1]; + Ze_irq[j] = Ze_irq[j + 1]; + Ze_pdev[j] = Ze_pdev[j + 1]; + } + ZeIndex--; + mailbox = (uclong)cy_readl(&((struct RUNTIME_9060 __iomem *) + cy_pci_addr0)->mail_box_0); #ifdef CY_PCI_DEBUG - printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_addr2, (ulong)cy_pci_addr0); - printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not loaded\n"); + printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n", + (ulong)cy_pci_addr2, (ulong)cy_pci_addr0); + printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not " + "loaded\n"); #endif - PAUSE - /* This must be the new Cyclades-Ze/PCI. */ - cy_pci_nchan = ZE_V1_NPORTS; - - if((cy_next_channel+cy_pci_nchan) > NR_PORTS) { - printk("Cyclades-Ze/PCI found at 0x%lx ", - (ulong)cy_pci_phys2); - printk("but no channels are available.\n"); - printk("Change NR_PORTS in cyclades.c and recompile kernel.\n"); - return(i); - } - - /* fill the next cy_card structure available */ - for (j = 0 ; j < NR_CARDS ; j++) { - if (cy_card[j].base_addr == 0) break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclades-Ze/PCI found at 0x%lx ", - (ulong)cy_pci_phys2); - printk("but no more cards can be used.\n"); - printk("Change NR_CARDS in cyclades.c and recompile kernel.\n"); - return(i); - } + PAUSE; + /* This must be the new Cyclades-Ze/PCI. */ + cy_pci_nchan = ZE_V1_NPORTS; + + if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { + printk("Cyclades-Ze/PCI found at 0x%lx but no channels " + "are available.\nChange NR_PORTS in cyclades.c " + "and recompile kernel.\n", + (ulong) cy_pci_phys2); + return i; + } + /* fill the next cy_card structure available */ + for (j = 0; j < NR_CARDS; j++) { + if (cy_card[j].base_addr == 0) + break; + } + if (j == NR_CARDS) { /* no more cy_cards available */ + printk("Cyclades-Ze/PCI found at 0x%lx but no more " + "cards can be used.\nChange NR_CARDS in " + "cyclades.c and recompile kernel.\n", + (ulong) cy_pci_phys2); + return i; + } #ifdef CONFIG_CYZ_INTR - /* allocate IRQ only if board has an IRQ */ - if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) { - if(request_irq(cy_pci_irq, cyz_interrupt, - IRQF_SHARED, "Cyclades-Z", &cy_card[j])) - { - printk("Cyclom-Ze/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but could not allocate IRQ%d.\n", - cy_pci_irq); - return(i); - } + /* allocate IRQ only if board has an IRQ */ + if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) { + if (request_irq(cy_pci_irq, cyz_interrupt, + IRQF_SHARED, "Cyclades-Z", + &cy_card[j])) { + printk("Cyclom-Ze/PCI found at 0x%lx ", + (ulong) cy_pci_phys2); + printk("but could not allocate IRQ%d.\n", + cy_pci_irq); + return i; + } } -#endif /* CONFIG_CYZ_INTR */ - - /* set cy_card */ - cy_card[j].base_phys = cy_pci_phys2; - cy_card[j].ctl_phys = cy_pci_phys0; - cy_card[j].base_addr = cy_pci_addr2; - cy_card[j].ctl_addr = cy_pci_addr0; - cy_card[j].irq = (int) cy_pci_irq; - cy_card[j].bus_index = 1; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = -1; +#endif /* CONFIG_CYZ_INTR */ + + /* set cy_card */ + cy_card[j].base_phys = cy_pci_phys2; + cy_card[j].ctl_phys = cy_pci_phys0; + cy_card[j].base_addr = cy_pci_addr2; + cy_card[j].ctl_addr = cy_pci_addr0; + cy_card[j].irq = (int)cy_pci_irq; + cy_card[j].bus_index = 1; + cy_card[j].first_line = cy_next_channel; + cy_card[j].num_chips = -1; cy_card[j].pdev = pdev; - /* print message */ + /* print message */ #ifdef CONFIG_CYZ_INTR /* don't report IRQ if board is no IRQ */ - if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) - printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", - j+1,(ulong)cy_pci_phys2, - (ulong)(cy_pci_phys2 + CyPCI_Ze_win - 1), - (int)cy_pci_irq); + if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) + printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", + j + 1, (ulong) cy_pci_phys2, + (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1), + (int)cy_pci_irq); else -#endif /* CONFIG_CYZ_INTR */ - printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, ", - j+1,(ulong)cy_pci_phys2, - (ulong)(cy_pci_phys2 + CyPCI_Ze_win - 1)); - - printk("%d channels starting from port %d.\n", - cy_pci_nchan,cy_next_channel); - cy_next_channel += cy_pci_nchan; - } +#endif /* CONFIG_CYZ_INTR */ + printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, ", + j + 1, (ulong) cy_pci_phys2, + (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1)); + + printk("%d channels starting from port %d.\n", + cy_pci_nchan, cy_next_channel); + cy_next_channel += cy_pci_nchan; + } if (ZeIndex != 0) { - printk("Cyclades-Ze/PCI found at 0x%x ", - (unsigned int) Ze_phys2[0]); - printk("but no more cards can be used.\n"); - printk("Change NR_CARDS in cyclades.c and recompile kernel.\n"); + printk("Cyclades-Ze/PCI found at 0x%x but no more cards can be " + "used.\nChange NR_CARDS in cyclades.c and recompile " + "kernel.\n", (unsigned int)Ze_phys2[0]); } - return(i); + return i; #else - return(0); -#endif /* ifdef CONFIG_PCI */ -} /* cy_detect_pci */ - + return 0; +#endif /* ifdef CONFIG_PCI */ +} /* cy_detect_pci */ /* * This routine prints out the appropriate serial driver version number * and identifies which options were configured into this driver. */ -static inline void -show_version(void) +static inline void show_version(void) { - char *rcsvers, *rcsdate, *tmp; - rcsvers = strchr(rcsid, ' '); rcsvers++; - tmp = strchr(rcsvers, ' '); *tmp++ = '\0'; - rcsdate = strchr(tmp, ' '); rcsdate++; - tmp = strrchr(rcsdate, ' '); *tmp = '\0'; - printk("Cyclades driver %s %s\n", - rcsvers, rcsdate); - printk(" built %s %s\n", - __DATE__, __TIME__); -} /* show_version */ - -static int + printk("Cyclades driver " CY_VERSION "\n"); + printk(" built %s %s\n", __DATE__, __TIME__); +} /* show_version */ + +static int cyclades_get_proc_info(char *buf, char **start, off_t offset, int length, - int *eof, void *data) + int *eof, void *data) { - struct cyclades_port *info; - int i; - int len=0; - off_t begin=0; - off_t pos=0; - int size; - __u32 cur_jifs = jiffies; - - size = sprintf(buf, "Dev TimeOpen BytesOut IdleOut BytesIn IdleIn Overruns Ldisc\n"); - - pos += size; - len += size; - - /* Output one line for each known port */ - for (i = 0; i < NR_PORTS && cy_port[i].line >= 0; i++) { - info = &cy_port[i]; - - if (info->count) - size = sprintf(buf+len, - "%3d %8lu %10lu %8lu %10lu %8lu %9lu %6ld\n", - info->line, - JIFFIES_DIFF(info->idle_stats.in_use, cur_jifs) / HZ, - info->idle_stats.xmit_bytes, - JIFFIES_DIFF(info->idle_stats.xmit_idle, cur_jifs) / HZ, - info->idle_stats.recv_bytes, - JIFFIES_DIFF(info->idle_stats.recv_idle, cur_jifs) / HZ, - info->idle_stats.overruns, - (long) info->tty->ldisc.num); - else - size = sprintf(buf+len, - "%3d %8lu %10lu %8lu %10lu %8lu %9lu %6ld\n", - info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L); + struct cyclades_port *info; + int i; + int len = 0; + off_t begin = 0; + off_t pos = 0; + int size; + __u32 cur_jifs = jiffies; + + size = sprintf(buf, "Dev TimeOpen BytesOut IdleOut BytesIn " + "IdleIn Overruns Ldisc\n"); + + pos += size; len += size; - pos = begin + len; - if (pos < offset) { - len = 0; - begin = pos; + /* Output one line for each known port */ + for (i = 0; i < NR_PORTS && cy_port[i].line >= 0; i++) { + info = &cy_port[i]; + + if (info->count) + size = sprintf(buf + len, "%3d %8lu %10lu %8lu %10lu " + "%8lu %9lu %6ld\n", info->line, + (cur_jifs - info->idle_stats.in_use) / HZ, + info->idle_stats.xmit_bytes, + (cur_jifs - info->idle_stats.xmit_idle) / HZ, + info->idle_stats.recv_bytes, + (cur_jifs - info->idle_stats.recv_idle) / HZ, + info->idle_stats.overruns, + (long)info->tty->ldisc.num); + else + size = sprintf(buf + len, "%3d %8lu %10lu %8lu %10lu " + "%8lu %9lu %6ld\n", + info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L); + len += size; + pos = begin + len; + + if (pos < offset) { + len = 0; + begin = pos; + } + if (pos > offset + length) + goto done; } - if (pos > offset + length) - goto done; - } - *eof = 1; + *eof = 1; done: - *start = buf + (offset - begin); /* Start of wanted data */ - len -= (offset - begin); /* Start slop */ - if (len > length) - len = length; /* Ending slop */ - if (len < 0) - len = 0; - return len; + *start = buf + (offset - begin); /* Start of wanted data */ + len -= (offset - begin); /* Start slop */ + if (len > length) + len = length; /* Ending slop */ + if (len < 0) + len = 0; + return len; } /* The serial driver boot-time initialization code! @@ -5185,290 +5294,288 @@ done: */ static const struct tty_operations cy_ops = { - .open = cy_open, - .close = cy_close, - .write = cy_write, - .put_char = cy_put_char, - .flush_chars = cy_flush_chars, - .write_room = cy_write_room, - .chars_in_buffer = cy_chars_in_buffer, - .flush_buffer = cy_flush_buffer, - .ioctl = cy_ioctl, - .throttle = cy_throttle, - .unthrottle = cy_unthrottle, - .set_termios = cy_set_termios, - .stop = cy_stop, - .start = cy_start, - .hangup = cy_hangup, - .break_ctl = cy_break, - .wait_until_sent = cy_wait_until_sent, - .read_proc = cyclades_get_proc_info, - .tiocmget = cy_tiocmget, - .tiocmset = cy_tiocmset, + .open = cy_open, + .close = cy_close, + .write = cy_write, + .put_char = cy_put_char, + .flush_chars = cy_flush_chars, + .write_room = cy_write_room, + .chars_in_buffer = cy_chars_in_buffer, + .flush_buffer = cy_flush_buffer, + .ioctl = cy_ioctl, + .throttle = cy_throttle, + .unthrottle = cy_unthrottle, + .set_termios = cy_set_termios, + .stop = cy_stop, + .start = cy_start, + .hangup = cy_hangup, + .break_ctl = cy_break, + .wait_until_sent = cy_wait_until_sent, + .read_proc = cyclades_get_proc_info, + .tiocmget = cy_tiocmget, + .tiocmset = cy_tiocmset, }; -static int __init -cy_init(void) +static int __init cy_init(void) { - struct cyclades_port *info; - struct cyclades_card *cinfo; - int number_z_boards = 0; - int board,port,i,index; - unsigned long mailbox; - unsigned short chip_number; - int nports; - - cy_serial_driver = alloc_tty_driver(NR_PORTS); - if (!cy_serial_driver) - return -ENOMEM; - show_version(); - - /* Initialize the tty_driver structure */ - - cy_serial_driver->owner = THIS_MODULE; - cy_serial_driver->driver_name = "cyclades"; - cy_serial_driver->name = "ttyC"; - cy_serial_driver->major = CYCLADES_MAJOR; - cy_serial_driver->minor_start = 0; - cy_serial_driver->type = TTY_DRIVER_TYPE_SERIAL; - cy_serial_driver->subtype = SERIAL_TYPE_NORMAL; - cy_serial_driver->init_termios = tty_std_termios; - cy_serial_driver->init_termios.c_cflag = - B9600 | CS8 | CREAD | HUPCL | CLOCAL; - cy_serial_driver->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(cy_serial_driver, &cy_ops); - - if (tty_register_driver(cy_serial_driver)) - panic("Couldn't register Cyclades serial driver\n"); - - for (i = 0; i < NR_CARDS; i++) { - /* base_addr=0 indicates board not found */ - cy_card[i].base_addr = NULL; - } - - /* the code below is responsible to find the boards. Each different - type of board has its own detection routine. If a board is found, - the next cy_card structure available is set by the detection - routine. These functions are responsible for checking the - availability of cy_card and cy_port data structures and updating - the cy_next_channel. */ - - /* look for isa boards */ - cy_isa_nboard = cy_detect_isa(); - - /* look for pci boards */ - cy_pci_nboard = cy_detect_pci(); - - cy_nboard = cy_isa_nboard + cy_pci_nboard; - - /* invalidate remaining cy_card structures */ - for (i = 0 ; i < NR_CARDS ; i++) { - if (cy_card[i].base_addr == 0) { - cy_card[i].first_line = -1; - cy_card[i].ctl_addr = NULL; - cy_card[i].irq = 0; - cy_card[i].bus_index = 0; - cy_card[i].first_line = 0; - cy_card[i].num_chips = 0; - } - } - /* invalidate remaining cy_port structures */ - for (i = cy_next_channel ; i < NR_PORTS ; i++) { - cy_port[i].line = -1; - cy_port[i].magic = -1; - } - - /* initialize per-port data structures for each valid board found */ - for (board = 0 ; board < cy_nboard ; board++) { - cinfo = &cy_card[board]; - if (cinfo->num_chips == -1) { /* Cyclades-Z */ - number_z_boards++; - mailbox = cy_readl(&((struct RUNTIME_9060 __iomem *) - cy_card[board].ctl_addr)->mail_box_0); - nports = (mailbox == ZE_V1) ? ZE_V1_NPORTS : 8; - cinfo->intr_enabled = 0; - cinfo->nports = 0; /* Will be correctly set later, after - Z FW is loaded */ - spin_lock_init(&cinfo->card_lock); - for (port = cinfo->first_line ; - port < cinfo->first_line + nports; - port++) - { - info = &cy_port[port]; - info->magic = CYCLADES_MAGIC; - info->type = PORT_STARTECH; - info->card = board; - info->line = port; - info->chip_rev = 0; - info->flags = STD_COM_FLAGS; - info->tty = NULL; - if (mailbox == ZO_V1) - info->xmit_fifo_size = CYZ_FIFO_SIZE; - else - info->xmit_fifo_size = 4 * CYZ_FIFO_SIZE; - info->cor1 = 0; - info->cor2 = 0; - info->cor3 = 0; - info->cor4 = 0; - info->cor5 = 0; - info->tbpr = 0; - info->tco = 0; - info->rbpr = 0; - info->rco = 0; - info->custom_divisor = 0; - info->close_delay = 5*HZ/10; - info->closing_wait = CLOSING_WAIT_DELAY; - info->icount.cts = info->icount.dsr = - info->icount.rng = info->icount.dcd = 0; - info->icount.rx = info->icount.tx = 0; - info->icount.frame = info->icount.parity = 0; - info->icount.overrun = info->icount.brk = 0; - info->x_char = 0; - info->event = 0; - info->count = 0; - info->blocked_open = 0; - info->default_threshold = 0; - info->default_timeout = 0; - INIT_WORK(&info->tqueue, do_softint); - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); - init_waitqueue_head(&info->shutdown_wait); - init_waitqueue_head(&info->delta_msr_wait); - /* info->session */ - /* info->pgrp */ - info->read_status_mask = 0; - /* info->timeout */ - /* Bentson's vars */ - info->jiffies[0] = 0; - info->jiffies[1] = 0; - info->jiffies[2] = 0; - info->rflush_count = 0; + struct cyclades_port *info; + struct cyclades_card *cinfo; + int number_z_boards = 0; + int board, port, i, index; + unsigned long mailbox; + unsigned short chip_number; + int nports; + + cy_serial_driver = alloc_tty_driver(NR_PORTS); + if (!cy_serial_driver) + return -ENOMEM; + show_version(); + + /* Initialize the tty_driver structure */ + + cy_serial_driver->owner = THIS_MODULE; + cy_serial_driver->driver_name = "cyclades"; + cy_serial_driver->name = "ttyC"; + cy_serial_driver->major = CYCLADES_MAJOR; + cy_serial_driver->minor_start = 0; + cy_serial_driver->type = TTY_DRIVER_TYPE_SERIAL; + cy_serial_driver->subtype = SERIAL_TYPE_NORMAL; + cy_serial_driver->init_termios = tty_std_termios; + cy_serial_driver->init_termios.c_cflag = + B9600 | CS8 | CREAD | HUPCL | CLOCAL; + cy_serial_driver->flags = TTY_DRIVER_REAL_RAW; + tty_set_operations(cy_serial_driver, &cy_ops); + + if (tty_register_driver(cy_serial_driver)) + panic("Couldn't register Cyclades serial driver\n"); + + for (i = 0; i < NR_CARDS; i++) { + /* base_addr=0 indicates board not found */ + cy_card[i].base_addr = NULL; + } + + /* the code below is responsible to find the boards. Each different + type of board has its own detection routine. If a board is found, + the next cy_card structure available is set by the detection + routine. These functions are responsible for checking the + availability of cy_card and cy_port data structures and updating + the cy_next_channel. */ + + /* look for isa boards */ + cy_isa_nboard = cy_detect_isa(); + + /* look for pci boards */ + cy_pci_nboard = cy_detect_pci(); + + cy_nboard = cy_isa_nboard + cy_pci_nboard; + + /* invalidate remaining cy_card structures */ + for (i = 0; i < NR_CARDS; i++) { + if (cy_card[i].base_addr == 0) { + cy_card[i].first_line = -1; + cy_card[i].ctl_addr = NULL; + cy_card[i].irq = 0; + cy_card[i].bus_index = 0; + cy_card[i].first_line = 0; + cy_card[i].num_chips = 0; + } + } + /* invalidate remaining cy_port structures */ + for (i = cy_next_channel; i < NR_PORTS; i++) { + cy_port[i].line = -1; + cy_port[i].magic = -1; + } + + /* initialize per-port data structures for each valid board found */ + for (board = 0; board < cy_nboard; board++) { + cinfo = &cy_card[board]; + if (cinfo->num_chips == -1) { /* Cyclades-Z */ + number_z_boards++; + mailbox = cy_readl(&((struct RUNTIME_9060 __iomem *) + cy_card[board].ctl_addr)-> + mail_box_0); + nports = (mailbox == ZE_V1) ? ZE_V1_NPORTS : 8; + cinfo->intr_enabled = 0; + cinfo->nports = 0; /* Will be correctly set later, after + Z FW is loaded */ + spin_lock_init(&cinfo->card_lock); + for (port = cinfo->first_line; + port < cinfo->first_line + nports; port++) { + info = &cy_port[port]; + info->magic = CYCLADES_MAGIC; + info->type = PORT_STARTECH; + info->card = board; + info->line = port; + info->chip_rev = 0; + info->flags = STD_COM_FLAGS; + info->tty = NULL; + if (mailbox == ZO_V1) + info->xmit_fifo_size = CYZ_FIFO_SIZE; + else + info->xmit_fifo_size = + 4 * CYZ_FIFO_SIZE; + info->cor1 = 0; + info->cor2 = 0; + info->cor3 = 0; + info->cor4 = 0; + info->cor5 = 0; + info->tbpr = 0; + info->tco = 0; + info->rbpr = 0; + info->rco = 0; + info->custom_divisor = 0; + info->close_delay = 5 * HZ / 10; + info->closing_wait = CLOSING_WAIT_DELAY; + info->icount.cts = info->icount.dsr = + info->icount.rng = info->icount.dcd = 0; + info->icount.rx = info->icount.tx = 0; + info->icount.frame = info->icount.parity = 0; + info->icount.overrun = info->icount.brk = 0; + info->x_char = 0; + info->event = 0; + info->count = 0; + info->blocked_open = 0; + info->default_threshold = 0; + info->default_timeout = 0; + INIT_WORK(&info->tqueue, do_softint); + init_waitqueue_head(&info->open_wait); + init_waitqueue_head(&info->close_wait); + init_waitqueue_head(&info->shutdown_wait); + init_waitqueue_head(&info->delta_msr_wait); + /* info->session */ + /* info->pgrp */ + info->read_status_mask = 0; + /* info->timeout */ + /* Bentson's vars */ + info->jiffies[0] = 0; + info->jiffies[1] = 0; + info->jiffies[2] = 0; + info->rflush_count = 0; #ifdef CONFIG_CYZ_INTR - init_timer(&cyz_rx_full_timer[port]); - cyz_rx_full_timer[port].function = NULL; + init_timer(&cyz_rx_full_timer[port]); + cyz_rx_full_timer[port].function = NULL; #endif - } - continue; - }else{ /* Cyclom-Y of some kind*/ - index = cinfo->bus_index; - spin_lock_init(&cinfo->card_lock); - cinfo->nports = CyPORTS_PER_CHIP * cinfo->num_chips; - for (port = cinfo->first_line ; - port < cinfo->first_line + cinfo->nports ; - port++) - { - info = &cy_port[port]; - info->magic = CYCLADES_MAGIC; - info->type = PORT_CIRRUS; - info->card = board; - info->line = port; - info->flags = STD_COM_FLAGS; - info->tty = NULL; - info->xmit_fifo_size = CyMAX_CHAR_FIFO; - info->cor1 = CyPARITY_NONE|Cy_1_STOP|Cy_8_BITS; - info->cor2 = CyETC; - info->cor3 = 0x08; /* _very_ small rcv threshold */ - info->cor4 = 0; - info->cor5 = 0; - info->custom_divisor = 0; - info->close_delay = 5*HZ/10; - info->closing_wait = CLOSING_WAIT_DELAY; - info->icount.cts = info->icount.dsr = - info->icount.rng = info->icount.dcd = 0; - info->icount.rx = info->icount.tx = 0; - info->icount.frame = info->icount.parity = 0; - info->icount.overrun = info->icount.brk = 0; - chip_number = (port - cinfo->first_line) / 4; - if ((info->chip_rev = - cy_readb(cinfo->base_addr + - (cy_chip_offset[chip_number]<<index) + - (CyGFRCR<<index))) >= CD1400_REV_J) { - /* It is a CD1400 rev. J or later */ - info->tbpr = baud_bpr_60[13]; /* Tx BPR */ - info->tco = baud_co_60[13]; /* Tx CO */ - info->rbpr = baud_bpr_60[13]; /* Rx BPR */ - info->rco = baud_co_60[13]; /* Rx CO */ - info->rflow = 0; - info->rtsdtr_inv = 1; - } else { - info->tbpr = baud_bpr_25[13]; /* Tx BPR */ - info->tco = baud_co_25[13]; /* Tx CO */ - info->rbpr = baud_bpr_25[13]; /* Rx BPR */ - info->rco = baud_co_25[13]; /* Rx CO */ - info->rflow = 0; - info->rtsdtr_inv = 0; - } - info->x_char = 0; - info->event = 0; - info->count = 0; - info->blocked_open = 0; - info->default_threshold = 0; - info->default_timeout = 0; - INIT_WORK(&info->tqueue, do_softint); - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); - init_waitqueue_head(&info->shutdown_wait); - init_waitqueue_head(&info->delta_msr_wait); - /* info->session */ - /* info->pgrp */ - info->read_status_mask = - CyTIMEOUT| CySPECHAR| CyBREAK - | CyPARITY| CyFRAME| CyOVERRUN; - /* info->timeout */ - } - } - } + } + continue; + } else { /* Cyclom-Y of some kind */ + index = cinfo->bus_index; + spin_lock_init(&cinfo->card_lock); + cinfo->nports = CyPORTS_PER_CHIP * cinfo->num_chips; + for (port = cinfo->first_line; + port < cinfo->first_line + cinfo->nports; port++) { + info = &cy_port[port]; + info->magic = CYCLADES_MAGIC; + info->type = PORT_CIRRUS; + info->card = board; + info->line = port; + info->flags = STD_COM_FLAGS; + info->tty = NULL; + info->xmit_fifo_size = CyMAX_CHAR_FIFO; + info->cor1 = + CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS; + info->cor2 = CyETC; + info->cor3 = 0x08; /* _very_ small rcv threshold */ + info->cor4 = 0; + info->cor5 = 0; + info->custom_divisor = 0; + info->close_delay = 5 * HZ / 10; + info->closing_wait = CLOSING_WAIT_DELAY; + info->icount.cts = info->icount.dsr = + info->icount.rng = info->icount.dcd = 0; + info->icount.rx = info->icount.tx = 0; + info->icount.frame = info->icount.parity = 0; + info->icount.overrun = info->icount.brk = 0; + chip_number = (port - cinfo->first_line) / 4; + if ((info->chip_rev = + cy_readb(cinfo->base_addr + + (cy_chip_offset[chip_number] << + index) + (CyGFRCR << index))) >= + CD1400_REV_J) { + /* It is a CD1400 rev. J or later */ + info->tbpr = baud_bpr_60[13]; /* Tx BPR */ + info->tco = baud_co_60[13]; /* Tx CO */ + info->rbpr = baud_bpr_60[13]; /* Rx BPR */ + info->rco = baud_co_60[13]; /* Rx CO */ + info->rflow = 0; + info->rtsdtr_inv = 1; + } else { + info->tbpr = baud_bpr_25[13]; /* Tx BPR */ + info->tco = baud_co_25[13]; /* Tx CO */ + info->rbpr = baud_bpr_25[13]; /* Rx BPR */ + info->rco = baud_co_25[13]; /* Rx CO */ + info->rflow = 0; + info->rtsdtr_inv = 0; + } + info->x_char = 0; + info->event = 0; + info->count = 0; + info->blocked_open = 0; + info->default_threshold = 0; + info->default_timeout = 0; + INIT_WORK(&info->tqueue, do_softint); + init_waitqueue_head(&info->open_wait); + init_waitqueue_head(&info->close_wait); + init_waitqueue_head(&info->shutdown_wait); + init_waitqueue_head(&info->delta_msr_wait); + /* info->session */ + /* info->pgrp */ + info->read_status_mask = + CyTIMEOUT | CySPECHAR | CyBREAK + | CyPARITY | CyFRAME | CyOVERRUN; + /* info->timeout */ + } + } + } #ifndef CONFIG_CYZ_INTR - if (number_z_boards && !cyz_timeron){ - cyz_timeron++; - cyz_timerlist.expires = jiffies + 1; - add_timer(&cyz_timerlist); + if (number_z_boards && !cyz_timeron) { + cyz_timeron++; + cyz_timerlist.expires = jiffies + 1; + add_timer(&cyz_timerlist); #ifdef CY_PCI_DEBUG - printk("Cyclades-Z polling initialized\n"); + printk("Cyclades-Z polling initialized\n"); #endif - } -#endif /* CONFIG_CYZ_INTR */ + } +#endif /* CONFIG_CYZ_INTR */ + + return 0; - return 0; - -} /* cy_init */ +} /* cy_init */ -static void __exit -cy_cleanup_module(void) +static void __exit cy_cleanup_module(void) { - int i, e1; + int i, e1; #ifndef CONFIG_CYZ_INTR - if (cyz_timeron){ - cyz_timeron = 0; - del_timer(&cyz_timerlist); - } + if (cyz_timeron){ + cyz_timeron = 0; + del_timer(&cyz_timerlist); + } #endif /* CONFIG_CYZ_INTR */ - if ((e1 = tty_unregister_driver(cy_serial_driver))) - printk("cyc: failed to unregister Cyclades serial driver(%d)\n", - e1); + if ((e1 = tty_unregister_driver(cy_serial_driver))) + printk("cyc: failed to unregister Cyclades serial driver(%d)\n", + e1); - put_tty_driver(cy_serial_driver); + put_tty_driver(cy_serial_driver); - for (i = 0; i < NR_CARDS; i++) { - if (cy_card[i].base_addr) { - iounmap(cy_card[i].base_addr); - if (cy_card[i].ctl_addr) - iounmap(cy_card[i].ctl_addr); - if (cy_card[i].irq + for (i = 0; i < NR_CARDS; i++) { + if (cy_card[i].base_addr) { + iounmap(cy_card[i].base_addr); + if (cy_card[i].ctl_addr) + iounmap(cy_card[i].ctl_addr); + if (cy_card[i].irq #ifndef CONFIG_CYZ_INTR - && cy_card[i].num_chips != -1 /* not a Z card */ + && cy_card[i].num_chips != -1 /* not a Z card */ #endif /* CONFIG_CYZ_INTR */ - ) - free_irq(cy_card[i].irq, &cy_card[i]); + ) + free_irq(cy_card[i].irq, &cy_card[i]); #ifdef CONFIG_PCI - if (cy_card[i].pdev) - pci_release_regions(cy_card[i].pdev); + if (cy_card[i].pdev) + pci_release_regions(cy_card[i].pdev); #endif - } - } + } + } } /* cy_cleanup_module */ module_init(cy_init); diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 5642ac43e0f..8db9041e306 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -117,6 +117,14 @@ typedef struct drm_clip_rect { } drm_clip_rect_t; /** + * Drawable information. + */ +typedef struct drm_drawable_info { + unsigned int num_rects; + drm_clip_rect_t *rects; +} drm_drawable_info_t; + +/** * Texture region, */ typedef struct drm_tex_region { @@ -348,7 +356,8 @@ typedef struct drm_buf_desc { _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */ - _DRM_FB_BUFFER = 0x08 /**< Buffer is in frame buffer */ + _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */ + _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */ } flags; unsigned long agp_start; /**< * Start address of where the AGP buffers are @@ -444,6 +453,20 @@ typedef struct drm_draw { } drm_draw_t; /** + * DRM_IOCTL_UPDATE_DRAW ioctl argument type. + */ +typedef enum { + DRM_DRAWABLE_CLIPRECTS, +} drm_drawable_info_type_t; + +typedef struct drm_update_draw { + drm_drawable_t handle; + unsigned int type; + unsigned int num; + unsigned long long data; +} drm_update_draw_t; + +/** * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. */ typedef struct drm_auth { @@ -465,10 +488,14 @@ typedef struct drm_irq_busid { typedef enum { _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ + _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */ } drm_vblank_seq_type_t; -#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL +#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) +#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY | \ + _DRM_VBLANK_NEXTONMISS) struct drm_wait_vblank_request { drm_vblank_seq_type_t type; @@ -623,6 +650,8 @@ typedef struct drm_set_version { #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t) +#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, drm_update_draw_t) + /** * Device specific ioctls should only be in their respective headers * The device specific ioctl range is from 0x40 to 0x79. diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 7690a59ace0..85d99e21e18 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -97,6 +97,7 @@ #define DRIVER_IRQ_VBL 0x100 #define DRIVER_DMA_QUEUE 0x200 #define DRIVER_FB_DMA 0x400 +#define DRIVER_IRQ_VBL2 0x800 /***********************************************************************/ /** \name Begin the DRM... */ @@ -430,7 +431,8 @@ typedef struct drm_device_dma { enum { _DRM_DMA_USE_AGP = 0x01, _DRM_DMA_USE_SG = 0x02, - _DRM_DMA_USE_FB = 0x04 + _DRM_DMA_USE_FB = 0x04, + _DRM_DMA_USE_PCI_RO = 0x08 } flags; } drm_device_dma_t; @@ -530,11 +532,13 @@ typedef struct drm_mm_node { int free; unsigned long start; unsigned long size; + struct drm_mm *mm; void *private; } drm_mm_node_t; typedef struct drm_mm { - drm_mm_node_t root_node; + struct list_head fl_entry; + struct list_head ml_entry; } drm_mm_t; /** @@ -559,9 +563,9 @@ struct drm_driver { int (*context_dtor) (struct drm_device * dev, int context); int (*kernel_context_switch) (struct drm_device * dev, int old, int new); - void (*kernel_context_switch_unlock) (struct drm_device * dev, - drm_lock_t *lock); + void (*kernel_context_switch_unlock) (struct drm_device * dev); int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence); + int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence); int (*dri_library_name) (struct drm_device *dev, char *buf); /** @@ -708,9 +712,13 @@ typedef struct drm_device { wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ atomic_t vbl_received; + atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ spinlock_t vbl_lock; drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ + drm_vbl_sig_t vbl_sigs2; /**< signals to send on secondary VBLANK */ unsigned int vbl_pending; + spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ + void (*locked_tasklet_func)(struct drm_device *dev); /*@} */ cycles_t ctx_start; @@ -738,6 +746,15 @@ typedef struct drm_device { drm_local_map_t *agp_buffer_map; unsigned int agp_buffer_token; drm_head_t primary; /**< primary screen head */ + + /** \name Drawable information */ + /*@{ */ + spinlock_t drw_lock; + unsigned int drw_bitfield_length; + u32 *drw_bitfield; + unsigned int drw_info_length; + drm_drawable_info_t **drw_info; + /*@} */ } drm_device_t; static __inline__ int drm_core_check_feature(struct drm_device *dev, @@ -828,9 +845,6 @@ extern void drm_mem_init(void); extern int drm_mem_info(char *buf, char **start, off_t offset, int request, int *eof, void *data); extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); -extern void *drm_ioremap(unsigned long offset, unsigned long size, - drm_device_t * dev); -extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev); extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type); extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); @@ -885,6 +899,10 @@ extern int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_rmdraw(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int drm_update_drawable_info(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, + drm_drawable_t id); /* Authentication IOCTL support (drm_auth.h) */ extern int drm_getmagic(struct inode *inode, struct file *filp, @@ -949,6 +967,7 @@ extern int drm_wait_vblank(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq); extern void drm_vbl_send_signals(drm_device_t * dev); +extern void drm_locked_tasklet(drm_device_t *dev, void(*func)(drm_device_t*)); /* AGP/GART support (drm_agpsupport.h) */ extern drm_agp_head_t *drm_agp_init(drm_device_t * dev); @@ -1033,33 +1052,18 @@ extern void drm_sysfs_device_remove(struct class_device *class_dev); extern drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, unsigned long size, unsigned alignment); -extern void drm_mm_put_block(drm_mm_t *mm, drm_mm_node_t *cur); +void drm_mm_put_block(drm_mm_node_t * cur); extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size, unsigned alignment, int best_match); extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size); extern void drm_mm_takedown(drm_mm_t *mm); +extern int drm_mm_clean(drm_mm_t *mm); +extern unsigned long drm_mm_tail_space(drm_mm_t *mm); +extern int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size); +extern int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size); -/* Inline replacements for DRM_IOREMAP macros */ -static __inline__ void drm_core_ioremap(struct drm_map *map, - struct drm_device *dev) -{ - map->handle = drm_ioremap(map->offset, map->size, dev); -} - -#if 0 -static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, - struct drm_device *dev) -{ - map->handle = drm_ioremap_nocache(map->offset, map->size, dev); -} -#endif /* 0 */ - -static __inline__ void drm_core_ioremapfree(struct drm_map *map, - struct drm_device *dev) -{ - if (map->handle && map->size) - drm_ioremapfree(map->handle, map->size, dev); -} +extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); +extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned int token) @@ -1122,9 +1126,5 @@ extern void *drm_calloc(size_t nmemb, size_t size, int area); extern unsigned long drm_core_get_map_ofs(drm_map_t * map); extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); -#ifndef pci_pretty_name -#define pci_pretty_name(dev) "" -#endif - #endif /* __KERNEL__ */ #endif diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index 6eafff13dab..a6828cc14e5 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -79,14 +79,14 @@ static int drm_map_handle(drm_device_t *dev, drm_hash_item_t *hash, if (!use_hashed_handle) { int ret; - hash->key = user_token; + hash->key = user_token >> PAGE_SHIFT; ret = drm_ht_insert_item(&dev->map_hash, hash); if (ret != -EINVAL) return ret; } return drm_ht_just_insert_please(&dev->map_hash, hash, user_token, 32 - PAGE_SHIFT - 3, - PAGE_SHIFT, DRM_MAP_HASH_OFFSET); + 0, DRM_MAP_HASH_OFFSET >> PAGE_SHIFT); } /** @@ -178,11 +178,11 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, } } if (map->type == _DRM_REGISTERS) - map->handle = drm_ioremap(map->offset, map->size, dev); + map->handle = ioremap(map->offset, map->size); break; case _DRM_SHM: - map->handle = vmalloc_32(map->size); + map->handle = vmalloc_user(map->size); DRM_DEBUG("%lu %d %p\n", map->size, drm_order(map->size), map->handle); if (!map->handle) { @@ -238,7 +238,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, list = drm_alloc(sizeof(*list), DRM_MEM_MAPS); if (!list) { if (map->type == _DRM_REGISTERS) - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -EINVAL; } @@ -255,14 +255,14 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, ret = drm_map_handle(dev, &list->hash, user_token, 0); if (ret) { if (map->type == _DRM_REGISTERS) - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); drm_free(map, sizeof(*map), DRM_MEM_MAPS); drm_free(list, sizeof(*list), DRM_MEM_MAPS); mutex_unlock(&dev->struct_mutex); return ret; } - list->user_token = list->hash.key; + list->user_token = list->hash.key << PAGE_SHIFT; mutex_unlock(&dev->struct_mutex); *maplist = list; @@ -347,7 +347,8 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map) if (r_list->map == map) { list_del(list); - drm_ht_remove_key(&dev->map_hash, r_list->user_token); + drm_ht_remove_key(&dev->map_hash, + r_list->user_token >> PAGE_SHIFT); drm_free(list, sizeof(*list), DRM_MEM_MAPS); break; } @@ -362,7 +363,7 @@ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map) switch (map->type) { case _DRM_REGISTERS: - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); /* FALLTHROUGH */ case _DRM_FRAME_BUFFER: if (drm_core_has_MTRR(dev) && map->mtrr >= 0) { @@ -887,6 +888,9 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) request->count = entry->buf_count; request->size = size; + if (request->flags & _DRM_PCI_BUFFER_RO) + dma->flags = _DRM_DMA_USE_PCI_RO; + atomic_dec(&dev->buf_alloc); return 0; @@ -1471,9 +1475,10 @@ int drm_freebufs(struct inode *inode, struct file *filp, * \param arg pointer to a drm_buf_map structure. * \return zero on success or a negative number on failure. * - * Maps the AGP or SG buffer region with do_mmap(), and copies information - * about each buffer into user space. The PCI buffers are already mapped on the - * addbufs_pci() call. + * Maps the AGP, SG or PCI buffer region with do_mmap(), and copies information + * about each buffer into user space. For PCI buffers, it calls do_mmap() with + * offset equal to 0, which drm_mmap() interpretes as PCI buffers and calls + * drm_mmap_dma(). */ int drm_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) diff --git a/drivers/char/drm/drm_core.h b/drivers/char/drm/drm_core.h index f4f9db6c7ed..31673903607 100644 --- a/drivers/char/drm/drm_core.h +++ b/drivers/char/drm/drm_core.h @@ -24,11 +24,11 @@ #define CORE_NAME "drm" #define CORE_DESC "DRM shared core routines" -#define CORE_DATE "20051102" +#define CORE_DATE "20060810" #define DRM_IF_MAJOR 1 -#define DRM_IF_MINOR 2 +#define DRM_IF_MINOR 3 #define CORE_MAJOR 1 -#define CORE_MINOR 0 -#define CORE_PATCHLEVEL 1 +#define CORE_MINOR 1 +#define CORE_PATCHLEVEL 0 diff --git a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c index 7857453c4f4..de37d5f7456 100644 --- a/drivers/char/drm/drm_drawable.c +++ b/drivers/char/drm/drm_drawable.c @@ -4,6 +4,7 @@ * * \author Rickard E. (Rik) Faith <faith@valinux.com> * \author Gareth Hughes <gareth@valinux.com> + * \author Michel Dänzer <michel@tungstengraphics.com> */ /* @@ -11,6 +12,7 @@ * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, North Dakota. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -35,22 +37,294 @@ #include "drmP.h" -/** No-op. */ -int drm_adddraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +/** + * Allocate drawable ID and memory to store information about it. + */ +int drm_adddraw(DRM_IOCTL_ARGS) { + DRM_DEVICE; + unsigned long irqflags; + int i, j; + u32 *bitfield = dev->drw_bitfield; + unsigned int bitfield_length = dev->drw_bitfield_length; + drm_drawable_info_t **info = dev->drw_info; + unsigned int info_length = dev->drw_info_length; drm_draw_t draw; - draw.handle = 0; /* NOOP */ + for (i = 0, j = 0; i < bitfield_length; i++) { + if (bitfield[i] == ~0) + continue; + + for (; j < 8 * sizeof(*bitfield); j++) + if (!(bitfield[i] & (1 << j))) + goto done; + } +done: + + if (i == bitfield_length) { + bitfield_length++; + + bitfield = drm_alloc(bitfield_length * sizeof(*bitfield), + DRM_MEM_BUFS); + + if (!bitfield) { + DRM_ERROR("Failed to allocate new drawable bitfield\n"); + return DRM_ERR(ENOMEM); + } + + if (8 * sizeof(*bitfield) * bitfield_length > info_length) { + info_length += 8 * sizeof(*bitfield); + + info = drm_alloc(info_length * sizeof(*info), + DRM_MEM_BUFS); + + if (!info) { + DRM_ERROR("Failed to allocate new drawable info" + " array\n"); + + drm_free(bitfield, + bitfield_length * sizeof(*bitfield), + DRM_MEM_BUFS); + return DRM_ERR(ENOMEM); + } + } + + bitfield[i] = 0; + } + + draw.handle = i * 8 * sizeof(*bitfield) + j + 1; DRM_DEBUG("%d\n", draw.handle); - if (copy_to_user((drm_draw_t __user *) arg, &draw, sizeof(draw))) - return -EFAULT; + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + bitfield[i] |= 1 << j; + info[draw.handle - 1] = NULL; + + if (bitfield != dev->drw_bitfield) { + memcpy(bitfield, dev->drw_bitfield, dev->drw_bitfield_length * + sizeof(*bitfield)); + drm_free(dev->drw_bitfield, sizeof(*bitfield) * + dev->drw_bitfield_length, DRM_MEM_BUFS); + dev->drw_bitfield = bitfield; + dev->drw_bitfield_length = bitfield_length; + } + + if (info != dev->drw_info) { + memcpy(info, dev->drw_info, dev->drw_info_length * + sizeof(*info)); + drm_free(dev->drw_info, sizeof(*info) * dev->drw_info_length, + DRM_MEM_BUFS); + dev->drw_info = info; + dev->drw_info_length = info_length; + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + DRM_COPY_TO_USER_IOCTL((drm_draw_t __user *)data, draw, sizeof(draw)); + return 0; } -/** No-op. */ -int drm_rmdraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +/** + * Free drawable ID and memory to store information about it. + */ +int drm_rmdraw(DRM_IOCTL_ARGS) { - return 0; /* NOOP */ + DRM_DEVICE; + drm_draw_t draw; + int id, idx; + unsigned int shift; + unsigned long irqflags; + u32 *bitfield = dev->drw_bitfield; + unsigned int bitfield_length = dev->drw_bitfield_length; + drm_drawable_info_t **info = dev->drw_info; + unsigned int info_length = dev->drw_info_length; + + DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data, + sizeof(draw)); + + id = draw.handle - 1; + idx = id / (8 * sizeof(*bitfield)); + shift = id % (8 * sizeof(*bitfield)); + + if (idx < 0 || idx >= bitfield_length || + !(bitfield[idx] & (1 << shift))) { + DRM_DEBUG("No such drawable %d\n", draw.handle); + return 0; + } + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + bitfield[idx] &= ~(1 << shift); + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + if (info[id]) { + drm_free(info[id]->rects, info[id]->num_rects * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + drm_free(info[id], sizeof(**info), DRM_MEM_BUFS); + } + + /* Can we shrink the arrays? */ + if (idx == bitfield_length - 1) { + while (idx >= 0 && !bitfield[idx]) + --idx; + + bitfield_length = idx + 1; + + if (idx != id / (8 * sizeof(*bitfield))) + bitfield = drm_alloc(bitfield_length * + sizeof(*bitfield), DRM_MEM_BUFS); + + if (!bitfield && bitfield_length) { + bitfield = dev->drw_bitfield; + bitfield_length = dev->drw_bitfield_length; + } + } + + if (bitfield != dev->drw_bitfield) { + info_length = 8 * sizeof(*bitfield) * bitfield_length; + + info = drm_alloc(info_length * sizeof(*info), DRM_MEM_BUFS); + + if (!info && info_length) { + info = dev->drw_info; + info_length = dev->drw_info_length; + } + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + memcpy(bitfield, dev->drw_bitfield, bitfield_length * + sizeof(*bitfield)); + drm_free(dev->drw_bitfield, sizeof(*bitfield) * + dev->drw_bitfield_length, DRM_MEM_BUFS); + dev->drw_bitfield = bitfield; + dev->drw_bitfield_length = bitfield_length; + + if (info != dev->drw_info) { + memcpy(info, dev->drw_info, info_length * + sizeof(*info)); + drm_free(dev->drw_info, sizeof(*info) * + dev->drw_info_length, DRM_MEM_BUFS); + dev->drw_info = info; + dev->drw_info_length = info_length; + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + } + + DRM_DEBUG("%d\n", draw.handle); + return 0; +} + +int drm_update_drawable_info(DRM_IOCTL_ARGS) { + DRM_DEVICE; + drm_update_draw_t update; + unsigned int id, idx, shift; + u32 *bitfield = dev->drw_bitfield; + unsigned long irqflags, bitfield_length = dev->drw_bitfield_length; + drm_drawable_info_t *info; + drm_clip_rect_t *rects; + int err; + + DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data, + sizeof(update)); + + id = update.handle - 1; + idx = id / (8 * sizeof(*bitfield)); + shift = id % (8 * sizeof(*bitfield)); + + if (idx < 0 || idx >= bitfield_length || + !(bitfield[idx] & (1 << shift))) { + DRM_ERROR("No such drawable %d\n", update.handle); + return DRM_ERR(EINVAL); + } + + info = dev->drw_info[id]; + + if (!info) { + info = drm_calloc(1, sizeof(drm_drawable_info_t), DRM_MEM_BUFS); + + if (!info) { + DRM_ERROR("Failed to allocate drawable info memory\n"); + return DRM_ERR(ENOMEM); + } + } + + switch (update.type) { + case DRM_DRAWABLE_CLIPRECTS: + if (update.num != info->num_rects) { + rects = drm_alloc(update.num * sizeof(drm_clip_rect_t), + DRM_MEM_BUFS); + } else + rects = info->rects; + + if (update.num && !rects) { + DRM_ERROR("Failed to allocate cliprect memory\n"); + err = DRM_ERR(ENOMEM); + goto error; + } + + if (update.num && DRM_COPY_FROM_USER(rects, + (drm_clip_rect_t __user *) + (unsigned long)update.data, + update.num * + sizeof(*rects))) { + DRM_ERROR("Failed to copy cliprects from userspace\n"); + err = DRM_ERR(EFAULT); + goto error; + } + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + if (rects != info->rects) { + drm_free(info->rects, info->num_rects * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + } + + info->rects = rects; + info->num_rects = update.num; + dev->drw_info[id] = info; + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + DRM_DEBUG("Updated %d cliprects for drawable %d\n", + info->num_rects, id); + break; + default: + DRM_ERROR("Invalid update type %d\n", update.type); + return DRM_ERR(EINVAL); + } + + return 0; + +error: + if (!dev->drw_info[id]) + drm_free(info, sizeof(*info), DRM_MEM_BUFS); + else if (rects != dev->drw_info[id]->rects) + drm_free(rects, update.num * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + + return err; +} + +/** + * Caller must hold the drawable spinlock! + */ +drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) { + u32 *bitfield = dev->drw_bitfield; + unsigned int idx, shift; + + id--; + idx = id / (8 * sizeof(*bitfield)); + shift = id % (8 * sizeof(*bitfield)); + + if (idx < 0 || idx >= dev->drw_bitfield_length || + !(bitfield[idx] & (1 << shift))) { + DRM_DEBUG("No such drawable %d\n", id); + return NULL; + } + + return dev->drw_info[id]; } +EXPORT_SYMBOL(drm_get_drawable_info); diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index b366c5b1bd1..a70af0de445 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -116,6 +116,8 @@ static drm_ioctl_desc_t drm_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0}, + + [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW)] = {drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, }; #define DRIVER_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) @@ -151,6 +153,18 @@ int drm_lastclose(drm_device_t * dev) if (dev->irq_enabled) drm_irq_uninstall(dev); + /* Free drawable information memory */ + for (i = 0; i < dev->drw_bitfield_length / sizeof(*dev->drw_bitfield); + i++) { + drm_drawable_info_t *info = drm_get_drawable_info(dev, i); + + if (info) { + drm_free(info->rects, info->num_rects * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + drm_free(info, sizeof(*info), DRM_MEM_BUFS); + } + } + mutex_lock(&dev->struct_mutex); del_timer(&dev->timer); diff --git a/drivers/char/drm/drm_ioc32.c b/drivers/char/drm/drm_ioc32.c index d4f87452008..fafeb34f89d 100644 --- a/drivers/char/drm/drm_ioc32.c +++ b/drivers/char/drm/drm_ioc32.c @@ -102,7 +102,7 @@ static int compat_drm_version(struct file *file, unsigned int cmd, &version->desc)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_VERSION, (unsigned long)version); if (err) return err; @@ -143,7 +143,7 @@ static int compat_drm_getunique(struct file *file, unsigned int cmd, &u->unique)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_GET_UNIQUE, (unsigned long)u); if (err) return err; @@ -172,7 +172,7 @@ static int compat_drm_setunique(struct file *file, unsigned int cmd, &u->unique)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_SET_UNIQUE, (unsigned long)u); } @@ -203,7 +203,7 @@ static int compat_drm_getmap(struct file *file, unsigned int cmd, if (__put_user(idx, &map->offset)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_GET_MAP, (unsigned long)map); if (err) return err; @@ -244,7 +244,7 @@ static int compat_drm_addmap(struct file *file, unsigned int cmd, || __put_user(m32.flags, &map->flags)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_ADD_MAP, (unsigned long)map); if (err) return err; @@ -282,7 +282,7 @@ static int compat_drm_rmmap(struct file *file, unsigned int cmd, if (__put_user((void *)(unsigned long)handle, &map->handle)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RM_MAP, (unsigned long)map); } @@ -312,7 +312,7 @@ static int compat_drm_getclient(struct file *file, unsigned int cmd, if (__put_user(idx, &client->idx)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_GET_CLIENT, (unsigned long)client); if (err) return err; @@ -349,7 +349,7 @@ static int compat_drm_getstats(struct file *file, unsigned int cmd, if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats))) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_GET_STATS, (unsigned long)stats); if (err) return err; @@ -393,7 +393,7 @@ static int compat_drm_addbufs(struct file *file, unsigned int cmd, || __put_user(agp_start, &buf->agp_start)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_ADD_BUFS, (unsigned long)buf); if (err) return err; @@ -425,7 +425,7 @@ static int compat_drm_markbufs(struct file *file, unsigned int cmd, || __put_user(b32.high_mark, &buf->high_mark)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_MARK_BUFS, (unsigned long)buf); } @@ -467,7 +467,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd, || __put_user(list, &request->list)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_INFO_BUFS, (unsigned long)request); if (err) return err; @@ -529,7 +529,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd, || __put_user(list, &request->list)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_MAP_BUFS, (unsigned long)request); if (err) return err; @@ -576,7 +576,7 @@ static int compat_drm_freebufs(struct file *file, unsigned int cmd, &request->list)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_FREE_BUFS, (unsigned long)request); } @@ -603,7 +603,7 @@ static int compat_drm_setsareactx(struct file *file, unsigned int cmd, &request->handle)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_SET_SAREA_CTX, (unsigned long)request); } @@ -626,7 +626,7 @@ static int compat_drm_getsareactx(struct file *file, unsigned int cmd, if (__put_user(ctx_id, &request->ctx_id)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_GET_SAREA_CTX, (unsigned long)request); if (err) return err; @@ -662,7 +662,7 @@ static int compat_drm_resctx(struct file *file, unsigned int cmd, &res->contexts)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RES_CTX, (unsigned long)res); if (err) return err; @@ -716,7 +716,7 @@ static int compat_drm_dma(struct file *file, unsigned int cmd, &d->request_sizes)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_DMA, (unsigned long)d); if (err) return err; @@ -749,7 +749,7 @@ static int compat_drm_agp_enable(struct file *file, unsigned int cmd, if (put_user(m32.mode, &mode->mode)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_AGP_ENABLE, (unsigned long)mode); } @@ -779,7 +779,7 @@ static int compat_drm_agp_info(struct file *file, unsigned int cmd, if (!access_ok(VERIFY_WRITE, info, sizeof(*info))) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_AGP_INFO, (unsigned long)info); if (err) return err; @@ -825,7 +825,7 @@ static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, || __put_user(req32.type, &request->type)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_AGP_ALLOC, (unsigned long)request); if (err) return err; @@ -833,7 +833,7 @@ static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, if (__get_user(req32.handle, &request->handle) || __get_user(req32.physical, &request->physical) || copy_to_user(argp, &req32, sizeof(req32))) { - drm_ioctl(file->f_dentry->d_inode, file, + drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_AGP_FREE, (unsigned long)request); return -EFAULT; } @@ -854,7 +854,7 @@ static int compat_drm_agp_free(struct file *file, unsigned int cmd, || __put_user(handle, &request->handle)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_AGP_FREE, (unsigned long)request); } @@ -879,7 +879,7 @@ static int compat_drm_agp_bind(struct file *file, unsigned int cmd, || __put_user(req32.offset, &request->offset)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_AGP_BIND, (unsigned long)request); } @@ -896,7 +896,7 @@ static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, || __put_user(handle, &request->handle)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_AGP_UNBIND, (unsigned long)request); } #endif /* __OS_HAS_AGP */ @@ -921,7 +921,7 @@ static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, || __put_user(x, &request->size)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_SG_ALLOC, (unsigned long)request); if (err) return err; @@ -948,7 +948,7 @@ static int compat_drm_sg_free(struct file *file, unsigned int cmd, || __put_user(x << PAGE_SHIFT, &request->handle)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_SG_FREE, (unsigned long)request); } @@ -988,7 +988,7 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, || __put_user(req32.request.signal, &request->request.signal)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_WAIT_VBLANK, (unsigned long)request); if (err) return err; @@ -1060,7 +1060,7 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (fn != NULL) ret = (*fn) (filp, cmd, arg); else - ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); + ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); unlock_kernel(); return ret; diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c index 4553a3a1e49..9d00c51fe2c 100644 --- a/drivers/char/drm/drm_irq.c +++ b/drivers/char/drm/drm_irq.c @@ -121,6 +121,7 @@ static int drm_irq_install(drm_device_t * dev) spin_lock_init(&dev->vbl_lock); INIT_LIST_HEAD(&dev->vbl_sigs.head); + INIT_LIST_HEAD(&dev->vbl_sigs2.head); dev->vbl_pending = 0; } @@ -175,6 +176,8 @@ int drm_irq_uninstall(drm_device_t * dev) free_irq(dev->irq, dev); + dev->locked_tasklet_func = NULL; + return 0; } @@ -247,10 +250,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) drm_wait_vblank_t vblwait; struct timeval now; int ret = 0; - unsigned int flags; - - if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL)) - return -EINVAL; + unsigned int flags, seq; if (!dev->irq) return -EINVAL; @@ -258,9 +258,26 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) if (copy_from_user(&vblwait, argp, sizeof(vblwait))) return -EFAULT; - switch (vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK) { + if (vblwait.request.type & + ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) { + DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n", + vblwait.request.type, + (_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)); + return -EINVAL; + } + + flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; + + if (!drm_core_check_feature(dev, (flags & _DRM_VBLANK_SECONDARY) ? + DRIVER_IRQ_VBL2 : DRIVER_IRQ_VBL)) + return -EINVAL; + + seq = atomic_read((flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2 + : &dev->vbl_received); + + switch (vblwait.request.type & _DRM_VBLANK_TYPES_MASK) { case _DRM_VBLANK_RELATIVE: - vblwait.request.sequence += atomic_read(&dev->vbl_received); + vblwait.request.sequence += seq; vblwait.request.type &= ~_DRM_VBLANK_RELATIVE; case _DRM_VBLANK_ABSOLUTE: break; @@ -268,26 +285,30 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) return -EINVAL; } - flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; + if ((flags & _DRM_VBLANK_NEXTONMISS) && + (seq - vblwait.request.sequence) <= (1<<23)) { + vblwait.request.sequence = seq + 1; + } if (flags & _DRM_VBLANK_SIGNAL) { unsigned long irqflags; + drm_vbl_sig_t *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY) + ? &dev->vbl_sigs2 : &dev->vbl_sigs; drm_vbl_sig_t *vbl_sig; - vblwait.reply.sequence = atomic_read(&dev->vbl_received); - spin_lock_irqsave(&dev->vbl_lock, irqflags); /* Check if this task has already scheduled the same signal * for the same vblank sequence number; nothing to be done in * that case */ - list_for_each_entry(vbl_sig, &dev->vbl_sigs.head, head) { + list_for_each_entry(vbl_sig, &vbl_sigs->head, head) { if (vbl_sig->sequence == vblwait.request.sequence && vbl_sig->info.si_signo == vblwait.request.signal && vbl_sig->task == current) { spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + vblwait.reply.sequence = seq; goto done; } } @@ -315,11 +336,16 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) spin_lock_irqsave(&dev->vbl_lock, irqflags); - list_add_tail((struct list_head *)vbl_sig, &dev->vbl_sigs.head); + list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + + vblwait.reply.sequence = seq; } else { - if (dev->driver->vblank_wait) + if (flags & _DRM_VBLANK_SECONDARY) { + if (dev->driver->vblank_wait2) + ret = dev->driver->vblank_wait2(dev, &vblwait.request.sequence); + } else if (dev->driver->vblank_wait) ret = dev->driver->vblank_wait(dev, &vblwait.request.sequence); @@ -347,25 +373,32 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) */ void drm_vbl_send_signals(drm_device_t * dev) { - struct list_head *list, *tmp; - drm_vbl_sig_t *vbl_sig; - unsigned int vbl_seq = atomic_read(&dev->vbl_received); unsigned long flags; + int i; spin_lock_irqsave(&dev->vbl_lock, flags); - list_for_each_safe(list, tmp, &dev->vbl_sigs.head) { - vbl_sig = list_entry(list, drm_vbl_sig_t, head); - if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) { - vbl_sig->info.si_code = vbl_seq; - send_sig_info(vbl_sig->info.si_signo, &vbl_sig->info, - vbl_sig->task); + for (i = 0; i < 2; i++) { + struct list_head *list, *tmp; + drm_vbl_sig_t *vbl_sig; + drm_vbl_sig_t *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs; + unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 : + &dev->vbl_received); + + list_for_each_safe(list, tmp, &vbl_sigs->head) { + vbl_sig = list_entry(list, drm_vbl_sig_t, head); + if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) { + vbl_sig->info.si_code = vbl_seq; + send_sig_info(vbl_sig->info.si_signo, + &vbl_sig->info, vbl_sig->task); - list_del(list); + list_del(list); - drm_free(vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER); + drm_free(vbl_sig, sizeof(*vbl_sig), + DRM_MEM_DRIVER); - dev->vbl_pending--; + dev->vbl_pending--; + } } } @@ -373,3 +406,77 @@ void drm_vbl_send_signals(drm_device_t * dev) } EXPORT_SYMBOL(drm_vbl_send_signals); + +/** + * Tasklet wrapper function. + * + * \param data DRM device in disguise. + * + * Attempts to grab the HW lock and calls the driver callback on success. On + * failure, leave the lock marked as contended so the callback can be called + * from drm_unlock(). + */ +static void drm_locked_tasklet_func(unsigned long data) +{ + drm_device_t *dev = (drm_device_t*)data; + unsigned long irqflags; + + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + + if (!dev->locked_tasklet_func || + !drm_lock_take(&dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + return; + } + + dev->lock.lock_time = jiffies; + atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); + + dev->locked_tasklet_func(dev); + + drm_lock_free(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT); + + dev->locked_tasklet_func = NULL; + + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); +} + +/** + * Schedule a tasklet to call back a driver hook with the HW lock held. + * + * \param dev DRM device. + * \param func Driver callback. + * + * This is intended for triggering actions that require the HW lock from an + * interrupt handler. The lock will be grabbed ASAP after the interrupt handler + * completes. Note that the callback may be called from interrupt or process + * context, it must not make any assumptions about this. Also, the HW lock will + * be held with the kernel context or any client context. + */ +void drm_locked_tasklet(drm_device_t *dev, void (*func)(drm_device_t*)) +{ + unsigned long irqflags; + static DECLARE_TASKLET(drm_tasklet, drm_locked_tasklet_func, 0); + + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ) || + test_bit(TASKLET_STATE_SCHED, &drm_tasklet.state)) + return; + + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + + if (dev->locked_tasklet_func) { + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + return; + } + + dev->locked_tasklet_func = func; + + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + + drm_tasklet.data = (unsigned long)dev; + + tasklet_hi_schedule(&drm_tasklet); +} +EXPORT_SYMBOL(drm_locked_tasklet); diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index f9e45303498..e9993ba461a 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -155,6 +155,7 @@ int drm_unlock(struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_lock_t lock; + unsigned long irqflags; if (copy_from_user(&lock, (drm_lock_t __user *) arg, sizeof(lock))) return -EFAULT; @@ -165,13 +166,23 @@ int drm_unlock(struct inode *inode, struct file *filp, return -EINVAL; } + spin_lock_irqsave(&dev->tasklet_lock, irqflags); + + if (dev->locked_tasklet_func) { + dev->locked_tasklet_func(dev); + + dev->locked_tasklet_func = NULL; + } + + spin_unlock_irqrestore(&dev->tasklet_lock, irqflags); + atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]); /* kernel_context_switch isn't used by any of the x86 drm * modules but is required by the Sparc driver. */ if (dev->driver->kernel_context_switch_unlock) - dev->driver->kernel_context_switch_unlock(dev, &lock); + dev->driver->kernel_context_switch_unlock(dev); else { drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c index 5681cae1d40..92a86708237 100644 --- a/drivers/char/drm/drm_memory.c +++ b/drivers/char/drm/drm_memory.c @@ -79,28 +79,6 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) } #if __OS_HAS_AGP -/* - * Find the drm_map that covers the range [offset, offset+size). - */ -static drm_map_t *drm_lookup_map(unsigned long offset, - unsigned long size, drm_device_t * dev) -{ - struct list_head *list; - drm_map_list_t *r_list; - drm_map_t *map; - - list_for_each(list, &dev->maplist->head) { - r_list = (drm_map_list_t *) list; - map = r_list->map; - if (!map) - continue; - if (map->offset <= offset - && (offset + size) <= (map->offset + map->size)) - return map; - } - return NULL; -} - static void *agp_remap(unsigned long offset, unsigned long size, drm_device_t * dev) { @@ -169,13 +147,6 @@ int drm_unbind_agp(DRM_AGP_MEM * handle) } #else /* __OS_HAS_AGP */ - -static inline drm_map_t *drm_lookup_map(unsigned long offset, - unsigned long size, drm_device_t * dev) -{ - return NULL; -} - static inline void *agp_remap(unsigned long offset, unsigned long size, drm_device_t * dev) { @@ -184,57 +155,28 @@ static inline void *agp_remap(unsigned long offset, unsigned long size, #endif /* agp */ -void *drm_ioremap(unsigned long offset, unsigned long size, - drm_device_t * dev) -{ - if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) { - drm_map_t *map = drm_lookup_map(offset, size, dev); - - if (map && map->type == _DRM_AGP) - return agp_remap(offset, size, dev); - } - return ioremap(offset, size); -} -EXPORT_SYMBOL(drm_ioremap); +#endif /* debug_memory */ -#if 0 -void *drm_ioremap_nocache(unsigned long offset, - unsigned long size, drm_device_t * dev) +void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) { - if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) { - drm_map_t *map = drm_lookup_map(offset, size, dev); - - if (map && map->type == _DRM_AGP) - return agp_remap(offset, size, dev); - } - return ioremap_nocache(offset, size); + if (drm_core_has_AGP(dev) && + dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) + map->handle = agp_remap(map->offset, map->size, dev); + else + map->handle = ioremap(map->offset, map->size); } -#endif /* 0 */ +EXPORT_SYMBOL(drm_core_ioremap); -void drm_ioremapfree(void *pt, unsigned long size, - drm_device_t * dev) +void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev) { - /* - * This is a bit ugly. It would be much cleaner if the DRM API would use separate - * routines for handling mappings in the AGP space. Hopefully this can be done in - * a future revision of the interface... - */ - if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture - && ((unsigned long)pt >= VMALLOC_START - && (unsigned long)pt < VMALLOC_END)) { - unsigned long offset; - drm_map_t *map; - - offset = drm_follow_page(pt) | ((unsigned long)pt & ~PAGE_MASK); - map = drm_lookup_map(offset, size, dev); - if (map && map->type == _DRM_AGP) { - vunmap(pt); - return; - } - } - - iounmap(pt); + if (!map->handle || !map->size) + return; + + if (drm_core_has_AGP(dev) && + dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP) + vunmap(map->handle); + else + iounmap(map->handle); } -EXPORT_SYMBOL(drm_ioremapfree); +EXPORT_SYMBOL(drm_core_ioremapfree); -#endif /* debug_memory */ diff --git a/drivers/char/drm/drm_memory.h b/drivers/char/drm/drm_memory.h index f1b97aff10c..63e425b5ea8 100644 --- a/drivers/char/drm/drm_memory.h +++ b/drivers/char/drm/drm_memory.h @@ -56,26 +56,6 @@ # endif #endif -static inline unsigned long drm_follow_page(void *vaddr) -{ - pgd_t *pgd = pgd_offset_k((unsigned long)vaddr); - pud_t *pud = pud_offset(pgd, (unsigned long)vaddr); - pmd_t *pmd = pmd_offset(pud, (unsigned long)vaddr); - pte_t *ptep = pte_offset_kernel(pmd, (unsigned long)vaddr); - return pte_pfn(*ptep) << PAGE_SHIFT; -} - #else /* __OS_HAS_AGP */ -static inline unsigned long drm_follow_page(void *vaddr) -{ - return 0; -} - #endif - -void *drm_ioremap(unsigned long offset, unsigned long size, - drm_device_t * dev); - -void drm_ioremapfree(void *pt, unsigned long size, - drm_device_t * dev); diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h index 74581af806e..6463271deea 100644 --- a/drivers/char/drm/drm_memory_debug.h +++ b/drivers/char/drm/drm_memory_debug.h @@ -205,76 +205,6 @@ void drm_free (void *pt, size_t size, int area) { } } -void *drm_ioremap (unsigned long offset, unsigned long size, - drm_device_t * dev) { - void *pt; - - if (!size) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Mapping 0 bytes at 0x%08lx\n", offset); - return NULL; - } - - if (!(pt = drm_ioremap(offset, size, dev))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&drm_mem_lock); - return NULL; - } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&drm_mem_lock); - return pt; -} - -#if 0 -void *drm_ioremap_nocache (unsigned long offset, unsigned long size, - drm_device_t * dev) { - void *pt; - - if (!size) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Mapping 0 bytes at 0x%08lx\n", offset); - return NULL; - } - - if (!(pt = drm_ioremap_nocache(offset, size, dev))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&drm_mem_lock); - return NULL; - } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&drm_mem_lock); - return pt; -} -#endif /* 0 */ - -void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) { - int alloc_count; - int free_count; - - if (!pt) - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Attempt to free NULL pointer\n"); - else - drm_ioremapfree(pt, size, dev); - - spin_lock(&drm_mem_lock); - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size; - free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count; - alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - spin_unlock(&drm_mem_lock); - if (free_count > alloc_count) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -} - #if __OS_HAS_AGP DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) { diff --git a/drivers/char/drm/drm_mm.c b/drivers/char/drm/drm_mm.c index 617526bd5b0..9b46b85027d 100644 --- a/drivers/char/drm/drm_mm.c +++ b/drivers/char/drm/drm_mm.c @@ -42,36 +42,131 @@ */ #include "drmP.h" +#include <linux/slab.h> + +unsigned long drm_mm_tail_space(drm_mm_t *mm) +{ + struct list_head *tail_node; + drm_mm_node_t *entry; + + tail_node = mm->ml_entry.prev; + entry = list_entry(tail_node, drm_mm_node_t, ml_entry); + if (!entry->free) + return 0; + + return entry->size; +} + +int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size) +{ + struct list_head *tail_node; + drm_mm_node_t *entry; + + tail_node = mm->ml_entry.prev; + entry = list_entry(tail_node, drm_mm_node_t, ml_entry); + if (!entry->free) + return -ENOMEM; + + if (entry->size <= size) + return -ENOMEM; + + entry->size -= size; + return 0; +} + + +static int drm_mm_create_tail_node(drm_mm_t *mm, + unsigned long start, + unsigned long size) +{ + drm_mm_node_t *child; + + child = (drm_mm_node_t *) + drm_alloc(sizeof(*child), DRM_MEM_MM); + if (!child) + return -ENOMEM; + + child->free = 1; + child->size = size; + child->start = start; + child->mm = mm; + + list_add_tail(&child->ml_entry, &mm->ml_entry); + list_add_tail(&child->fl_entry, &mm->fl_entry); + + return 0; +} + + +int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size) +{ + struct list_head *tail_node; + drm_mm_node_t *entry; + + tail_node = mm->ml_entry.prev; + entry = list_entry(tail_node, drm_mm_node_t, ml_entry); + if (!entry->free) { + return drm_mm_create_tail_node(mm, entry->start + entry->size, size); + } + entry->size += size; + return 0; +} + +static drm_mm_node_t *drm_mm_split_at_start(drm_mm_node_t *parent, + unsigned long size) +{ + drm_mm_node_t *child; + + child = (drm_mm_node_t *) + drm_alloc(sizeof(*child), DRM_MEM_MM); + if (!child) + return NULL; + + INIT_LIST_HEAD(&child->fl_entry); + + child->free = 0; + child->size = size; + child->start = parent->start; + child->mm = parent->mm; + + list_add_tail(&child->ml_entry, &parent->ml_entry); + INIT_LIST_HEAD(&child->fl_entry); + + parent->size -= size; + parent->start += size; + return child; +} + + drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, unsigned long size, unsigned alignment) { + drm_mm_node_t *align_splitoff = NULL; drm_mm_node_t *child; + unsigned tmp = 0; if (alignment) - size += alignment - 1; + tmp = parent->start % alignment; + + if (tmp) { + align_splitoff = drm_mm_split_at_start(parent, alignment - tmp); + if (!align_splitoff) + return NULL; + } if (parent->size == size) { list_del_init(&parent->fl_entry); parent->free = 0; return parent; } else { - child = (drm_mm_node_t *) drm_alloc(sizeof(*child), DRM_MEM_MM); - if (!child) - return NULL; - - INIT_LIST_HEAD(&child->ml_entry); - INIT_LIST_HEAD(&child->fl_entry); + child = drm_mm_split_at_start(parent, size); + } - child->free = 0; - child->size = size; - child->start = parent->start; + if (align_splitoff) + drm_mm_put_block(align_splitoff); - list_add_tail(&child->ml_entry, &parent->ml_entry); - parent->size -= size; - parent->start += size; - } return child; } @@ -80,12 +175,12 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, * Otherwise add to the free stack. */ -void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur) +void drm_mm_put_block(drm_mm_node_t * cur) { - drm_mm_node_t *list_root = &mm->root_node; + drm_mm_t *mm = cur->mm; struct list_head *cur_head = &cur->ml_entry; - struct list_head *root_head = &list_root->ml_entry; + struct list_head *root_head = &mm->ml_entry; drm_mm_node_t *prev_node = NULL; drm_mm_node_t *next_node; @@ -116,7 +211,7 @@ void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur) } if (!merged) { cur->free = 1; - list_add(&cur->fl_entry, &list_root->fl_entry); + list_add(&cur->fl_entry, &mm->fl_entry); } else { list_del(&cur->ml_entry); drm_free(cur, sizeof(*cur), DRM_MEM_MM); @@ -128,20 +223,30 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm, unsigned alignment, int best_match) { struct list_head *list; - const struct list_head *free_stack = &mm->root_node.fl_entry; + const struct list_head *free_stack = &mm->fl_entry; drm_mm_node_t *entry; drm_mm_node_t *best; unsigned long best_size; + unsigned wasted; best = NULL; best_size = ~0UL; - if (alignment) - size += alignment - 1; - list_for_each(list, free_stack) { entry = list_entry(list, drm_mm_node_t, fl_entry); - if (entry->size >= size) { + wasted = 0; + + if (entry->size < size) + continue; + + if (alignment) { + register unsigned tmp = entry->start % alignment; + if (tmp) + wasted += alignment - tmp; + } + + + if (entry->size >= size + wasted) { if (!best_match) return entry; if (size < best_size) { @@ -154,40 +259,32 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm, return best; } -int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size) +int drm_mm_clean(drm_mm_t * mm) { - drm_mm_node_t *child; - - INIT_LIST_HEAD(&mm->root_node.ml_entry); - INIT_LIST_HEAD(&mm->root_node.fl_entry); - child = (drm_mm_node_t *) drm_alloc(sizeof(*child), DRM_MEM_MM); - if (!child) - return -ENOMEM; - - INIT_LIST_HEAD(&child->ml_entry); - INIT_LIST_HEAD(&child->fl_entry); + struct list_head *head = &mm->ml_entry; - child->start = start; - child->size = size; - child->free = 1; + return (head->next->next == head); +} - list_add(&child->fl_entry, &mm->root_node.fl_entry); - list_add(&child->ml_entry, &mm->root_node.ml_entry); +int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size) +{ + INIT_LIST_HEAD(&mm->ml_entry); + INIT_LIST_HEAD(&mm->fl_entry); - return 0; + return drm_mm_create_tail_node(mm, start, size); } EXPORT_SYMBOL(drm_mm_init); void drm_mm_takedown(drm_mm_t * mm) { - struct list_head *bnode = mm->root_node.fl_entry.next; + struct list_head *bnode = mm->fl_entry.next; drm_mm_node_t *entry; entry = list_entry(bnode, drm_mm_node_t, fl_entry); - if (entry->ml_entry.next != &mm->root_node.ml_entry || - entry->fl_entry.next != &mm->root_node.fl_entry) { + if (entry->ml_entry.next != &mm->ml_entry || + entry->fl_entry.next != &mm->fl_entry) { DRM_ERROR("Memory manager not clean. Delaying takedown\n"); return; } diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 09398d5fbd3..ad54b845978 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -226,12 +226,14 @@ {0x1106, 0x3022, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3118, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_PRO_GROUP_A}, \ {0x1106, 0x3122, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x7204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x7205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3344, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ - {0x1106, 0x7204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x3343, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x3230, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_DX9_0}, \ {0, 0, 0} #define i810_PCI_IDS \ diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c index 62d5fe15f04..7fd0da71214 100644 --- a/drivers/char/drm/drm_proc.c +++ b/drivers/char/drm/drm_proc.c @@ -500,7 +500,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request, for (pt = dev->vmalist; pt; pt = pt->next) { if (!(vma = pt->vma)) continue; - DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", + DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", pt->pid, vma->vm_start, vma->vm_end, @@ -510,7 +510,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request, vma->vm_flags & VM_MAYSHARE ? 's' : 'p', vma->vm_flags & VM_LOCKED ? 'l' : '-', vma->vm_flags & VM_IO ? 'i' : '-', - vma->vm_pgoff << PAGE_SHIFT); + vma->vm_pgoff); #if defined(__i386__) pgprot = pgprot_val(vma->vm_page_prot); diff --git a/drivers/char/drm/drm_sman.c b/drivers/char/drm/drm_sman.c index 19c81d2e13d..e15db6d6bea 100644 --- a/drivers/char/drm/drm_sman.c +++ b/drivers/char/drm/drm_sman.c @@ -101,10 +101,9 @@ static void *drm_sman_mm_allocate(void *private, unsigned long size, static void drm_sman_mm_free(void *private, void *ref) { - drm_mm_t *mm = (drm_mm_t *) private; drm_mm_node_t *node = (drm_mm_node_t *) ref; - drm_mm_put_block(mm, node); + drm_mm_put_block(node); } static void drm_sman_mm_destroy(void *private) diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c index 7b1d4e8659b..120d10256fe 100644 --- a/drivers/char/drm/drm_stub.c +++ b/drivers/char/drm/drm_stub.c @@ -60,6 +60,8 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, int retcode; spin_lock_init(&dev->count_lock); + spin_lock_init(&dev->drw_lock); + spin_lock_init(&dev->tasklet_lock); init_timer(&dev->timer); mutex_init(&dev->struct_mutex); mutex_init(&dev->ctxlist_mutex); @@ -209,14 +211,16 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, if (!dev) return -ENOMEM; - pci_enable_device(pdev); + ret = pci_enable_device(pdev); + if (ret) + goto err_g1; if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) { printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); - goto err_g1; + goto err_g2; } if ((ret = drm_get_head(dev, &dev->primary))) - goto err_g1; + goto err_g2; DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name, driver->major, driver->minor, driver->patchlevel, @@ -224,7 +228,9 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, return 0; - err_g1: +err_g2: + pci_disable_device(pdev); +err_g1: drm_free(dev, sizeof(*dev), DRM_MEM_STUB); return ret; } diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c index ba4b8de83cf..cc8e2ebe128 100644 --- a/drivers/char/drm/drm_sysfs.c +++ b/drivers/char/drm/drm_sysfs.c @@ -45,8 +45,8 @@ struct class *drm_sysfs_create(struct module *owner, char *name) int err; class = class_create(owner, name); - if (!class) { - err = -ENOMEM; + if (IS_ERR(class)) { + err = PTR_ERR(class); goto err_out; } @@ -113,8 +113,8 @@ struct class_device *drm_sysfs_device_add(struct class *cs, drm_head_t *head) MKDEV(DRM_MAJOR, head->minor), &(head->dev->pdev)->dev, "card%d", head->minor); - if (!class_dev) { - err = -ENOMEM; + if (IS_ERR(class_dev)) { + err = PTR_ERR(class_dev); goto err_out; } diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index ae2691942dd..54a63284895 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -70,7 +70,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, if (!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error; - if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff << PAGE_SHIFT, &hash)) + if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash)) goto vm_nopage_error; r_list = drm_hash_entry(hash, drm_map_list_t, hash); @@ -227,7 +227,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) map->size); DRM_DEBUG("mtrr_del = %d\n", retcode); } - drm_ioremapfree(map->handle, map->size, dev); + iounmap(map->handle); break; case _DRM_SHM: vfree(map->handle); @@ -463,8 +463,8 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) lock_kernel(); dev = priv->head->dev; dma = dev->dma; - DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", - vma->vm_start, vma->vm_end, vma->vm_pgoff << PAGE_SHIFT); + DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n", + vma->vm_start, vma->vm_end, vma->vm_pgoff); /* Length must match exact page count */ if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { @@ -473,6 +473,22 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) } unlock_kernel(); + if (!capable(CAP_SYS_ADMIN) && + (dma->flags & _DRM_DMA_USE_PCI_RO)) { + vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE); +#if defined(__i386__) || defined(__x86_64__) + pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW; +#else + /* Ye gads this is ugly. With more thought + we could move this up higher and use + `protection_map' instead. */ + vma->vm_page_prot = + __pgprot(pte_val + (pte_wrprotect + (__pte(pgprot_val(vma->vm_page_prot))))); +#endif + } + vma->vm_ops = &drm_vm_dma_ops; vma->vm_flags |= VM_RESERVED; /* Don't swap */ @@ -521,8 +537,8 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) unsigned long offset = 0; drm_hash_item_t *hash; - DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", - vma->vm_start, vma->vm_end, vma->vm_pgoff << PAGE_SHIFT); + DRM_DEBUG("start = 0x%lx, end = 0x%lx, page offset = 0x%lx\n", + vma->vm_start, vma->vm_end, vma->vm_pgoff); if (!priv->authenticated) return -EACCES; @@ -531,7 +547,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) * the AGP mapped at physical address 0 * --BenH. */ - if (!(vma->vm_pgoff << PAGE_SHIFT) + if (!vma->vm_pgoff #if __OS_HAS_AGP && (!dev->agp || dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE) @@ -539,7 +555,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) ) return drm_mmap_dma(filp, vma); - if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff << PAGE_SHIFT, &hash)) { + if (drm_ht_find_item(&dev->map_hash, vma->vm_pgoff, &hash)) { DRM_ERROR("Could not find map\n"); return -EINVAL; } diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c index fa2de70f740..60cb4e45a75 100644 --- a/drivers/char/drm/i810_dma.c +++ b/drivers/char/drm/i810_dma.c @@ -219,8 +219,7 @@ static int i810_dma_cleanup(drm_device_t * dev) (drm_i810_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - drm_ioremapfree((void *)dev_priv->ring.virtual_start, - dev_priv->ring.Size, dev); + drm_core_ioremapfree(&dev_priv->ring.map, dev); } if (dev_priv->hw_status_page) { pci_free_consistent(dev->pdev, PAGE_SIZE, @@ -236,9 +235,9 @@ static int i810_dma_cleanup(drm_device_t * dev) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[i]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; + if (buf_priv->kernel_virtual && buf->total) - drm_ioremapfree(buf_priv->kernel_virtual, - buf->total, dev); + drm_core_ioremapfree(&buf_priv->map, dev); } } return 0; @@ -311,8 +310,15 @@ static int i810_freelist_init(drm_device_t * dev, drm_i810_private_t * dev_priv) *buf_priv->in_use = I810_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total, dev); + buf_priv->map.offset = buf->bus_address; + buf_priv->map.size = buf->total; + buf_priv->map.type = _DRM_AGP; + buf_priv->map.flags = 0; + buf_priv->map.mtrr = 0; + + drm_core_ioremap(&buf_priv->map, dev); + buf_priv->kernel_virtual = buf_priv->map.handle; + } return 0; } @@ -363,18 +369,24 @@ static int i810_dma_initialize(drm_device_t * dev, dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size, dev); + dev_priv->ring.map.offset = dev->agp->base + init->ring_start; + dev_priv->ring.map.size = init->ring_size; + dev_priv->ring.map.type = _DRM_AGP; + dev_priv->ring.map.flags = 0; + dev_priv->ring.map.mtrr = 0; - if (dev_priv->ring.virtual_start == NULL) { + drm_core_ioremap(&dev_priv->ring.map, dev); + + if (dev_priv->ring.map.handle == NULL) { dev->dev_private = (void *)dev_priv; i810_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return -ENOMEM; + return DRM_ERR(ENOMEM); } + dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; dev_priv->w = init->w; diff --git a/drivers/char/drm/i810_drv.h b/drivers/char/drm/i810_drv.h index e8cf3ff606f..e6df49f4928 100644 --- a/drivers/char/drm/i810_drv.h +++ b/drivers/char/drm/i810_drv.h @@ -61,6 +61,7 @@ typedef struct drm_i810_buf_priv { int currently_mapped; void *virtual; void *kernel_virtual; + drm_local_map_t map; } drm_i810_buf_priv_t; typedef struct _drm_i810_ring_buffer { @@ -72,6 +73,7 @@ typedef struct _drm_i810_ring_buffer { int head; int tail; int space; + drm_local_map_t map; } drm_i810_ring_buffer_t; typedef struct drm_i810_private { diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c index 4f0e5746ab3..95224455ec0 100644 --- a/drivers/char/drm/i830_dma.c +++ b/drivers/char/drm/i830_dma.c @@ -223,8 +223,7 @@ static int i830_dma_cleanup(drm_device_t * dev) (drm_i830_private_t *) dev->dev_private; if (dev_priv->ring.virtual_start) { - drm_ioremapfree((void *)dev_priv->ring.virtual_start, - dev_priv->ring.Size, dev); + drm_core_ioremapfree(&dev_priv->ring.map, dev); } if (dev_priv->hw_status_page) { pci_free_consistent(dev->pdev, PAGE_SIZE, @@ -242,8 +241,7 @@ static int i830_dma_cleanup(drm_device_t * dev) drm_buf_t *buf = dma->buflist[i]; drm_i830_buf_priv_t *buf_priv = buf->dev_private; if (buf_priv->kernel_virtual && buf->total) - drm_ioremapfree(buf_priv->kernel_virtual, - buf->total, dev); + drm_core_ioremapfree(&buf_priv->map, dev); } } return 0; @@ -320,8 +318,14 @@ static int i830_freelist_init(drm_device_t * dev, drm_i830_private_t * dev_priv) *buf_priv->in_use = I830_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total, dev); + buf_priv->map.offset = buf->bus_address; + buf_priv->map.size = buf->total; + buf_priv->map.type = _DRM_AGP; + buf_priv->map.flags = 0; + buf_priv->map.mtrr = 0; + + drm_core_ioremap(&buf_priv->map, dev); + buf_priv->kernel_virtual = buf_priv->map.handle; } return 0; } @@ -373,18 +377,24 @@ static int i830_dma_initialize(drm_device_t * dev, dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size, dev); + dev_priv->ring.map.offset = dev->agp->base + init->ring_start; + dev_priv->ring.map.size = init->ring_size; + dev_priv->ring.map.type = _DRM_AGP; + dev_priv->ring.map.flags = 0; + dev_priv->ring.map.mtrr = 0; + + drm_core_ioremap(&dev_priv->ring.map, dev); - if (dev_priv->ring.virtual_start == NULL) { + if (dev_priv->ring.map.handle == NULL) { dev->dev_private = (void *)dev_priv; i830_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" " ring buffer\n"); - return -ENOMEM; + return DRM_ERR(ENOMEM); } + dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; dev_priv->w = init->w; diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h index 85bc5be6f91..e91f94afb4b 100644 --- a/drivers/char/drm/i830_drv.h +++ b/drivers/char/drm/i830_drv.h @@ -68,6 +68,7 @@ typedef struct drm_i830_buf_priv { int currently_mapped; void __user *virtual; void *kernel_virtual; + drm_local_map_t map; } drm_i830_buf_priv_t; typedef struct _drm_i830_ring_buffer { @@ -79,6 +80,7 @@ typedef struct _drm_i830_ring_buffer { int head; int tail; int space; + drm_local_map_t map; } drm_i830_ring_buffer_t; typedef struct drm_i830_private { diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index fb7913ff528..9354ce3b009 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -162,6 +162,7 @@ static int i915_initialize(drm_device_t * dev, dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + dev_priv->cpp = init->cpp; dev_priv->back_offset = init->back_offset; dev_priv->front_offset = init->front_offset; dev_priv->current_page = 0; @@ -782,6 +783,7 @@ drm_ioctl_desc_t i915_ioctls[] = { [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, [DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] = { i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, [DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH }, + [DRM_IOCTL_NR(DRM_I915_VBLANK_SWAP)] = {i915_vblank_swap, DRM_AUTH}, }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h index 6af83e613f2..96a468886a7 100644 --- a/drivers/char/drm/i915_drm.h +++ b/drivers/char/drm/i915_drm.h @@ -104,6 +104,15 @@ typedef struct _drm_i915_sarea { unsigned int depth_tiled; unsigned int rotated_tiled; unsigned int rotated2_tiled; + + int pipeA_x; + int pipeA_y; + int pipeA_w; + int pipeA_h; + int pipeB_x; + int pipeB_y; + int pipeB_w; + int pipeB_h; } drm_i915_sarea_t; /* Flags for perf_boxes @@ -132,6 +141,7 @@ typedef struct _drm_i915_sarea { #define DRM_I915_DESTROY_HEAP 0x0c #define DRM_I915_SET_VBLANK_PIPE 0x0d #define DRM_I915_GET_VBLANK_PIPE 0x0e +#define DRM_I915_VBLANK_SWAP 0x0f #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -148,6 +158,7 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t) #define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t) #define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t) +#define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t) /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. @@ -243,4 +254,12 @@ typedef struct drm_i915_vblank_pipe { int pipe; } drm_i915_vblank_pipe_t; +/* Schedule buffer swap at given vertical blank: + */ +typedef struct drm_i915_vblank_swap { + drm_drawable_t drawable; + drm_vblank_seq_type_t seqtype; + unsigned int sequence; +} drm_i915_vblank_swap_t; + #endif /* _I915_DRM_H_ */ diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 8e2e6095c4b..85bcc276f80 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -44,12 +44,14 @@ static struct drm_driver driver = { */ .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ - DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL | + DRIVER_IRQ_VBL2, .load = i915_driver_load, .lastclose = i915_driver_lastclose, .preclose = i915_driver_preclose, .device_is_agp = i915_driver_device_is_agp, .vblank_wait = i915_driver_vblank_wait, + .vblank_wait2 = i915_driver_vblank_wait2, .irq_preinstall = i915_driver_irq_preinstall, .irq_postinstall = i915_driver_irq_postinstall, .irq_uninstall = i915_driver_irq_uninstall, diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index fdc2bf19271..93cdcfe6aa8 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -46,9 +46,11 @@ * 1.3: Add vblank support * 1.4: Fix cmdbuffer path, add heap destroy * 1.5: Add vblank pipe configuration + * 1.6: - New ioctl for scheduling buffer swaps on vertical blank + * - Support vertical blank on secondary display pipe */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 5 +#define DRIVER_MINOR 6 #define DRIVER_PATCHLEVEL 0 typedef struct _drm_i915_ring_buffer { @@ -71,6 +73,13 @@ struct mem_block { DRMFILE filp; /* 0: free, -1: heap, other: real files */ }; +typedef struct _drm_i915_vbl_swap { + struct list_head head; + drm_drawable_t drw_id; + unsigned int pipe; + unsigned int sequence; +} drm_i915_vbl_swap_t; + typedef struct drm_i915_private { drm_local_map_t *sarea; drm_local_map_t *mmio_map; @@ -83,6 +92,7 @@ typedef struct drm_i915_private { dma_addr_t dma_status_page; unsigned long counter; + unsigned int cpp; int back_offset; int front_offset; int current_page; @@ -98,6 +108,10 @@ typedef struct drm_i915_private { struct mem_block *agp_heap; unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; int vblank_pipe; + + spinlock_t swaps_lock; + drm_i915_vbl_swap_t vbl_swaps; + unsigned int swaps_pending; } drm_i915_private_t; extern drm_ioctl_desc_t i915_ioctls[]; @@ -117,12 +131,14 @@ extern int i915_irq_emit(DRM_IOCTL_ARGS); extern int i915_irq_wait(DRM_IOCTL_ARGS); extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); +extern int i915_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence); extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(drm_device_t * dev); extern void i915_driver_irq_postinstall(drm_device_t * dev); extern void i915_driver_irq_uninstall(drm_device_t * dev); extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS); extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS); +extern int i915_vblank_swap(DRM_IOCTL_ARGS); /* i915_mem.c */ extern int i915_mem_alloc(DRM_IOCTL_ARGS); @@ -256,6 +272,10 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller); #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2) +#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) +#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) +#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) + #define MI_BATCH_BUFFER ((0x30<<23)|1) #define MI_BATCH_BUFFER_START (0x31<<23) #define MI_BATCH_BUFFER_END (0xA<<23) diff --git a/drivers/char/drm/i915_ioc32.c b/drivers/char/drm/i915_ioc32.c index 296248cdc76..1fe68a251b7 100644 --- a/drivers/char/drm/i915_ioc32.c +++ b/drivers/char/drm/i915_ioc32.c @@ -66,7 +66,7 @@ static int compat_i915_batchbuffer(struct file *file, unsigned int cmd, &batchbuffer->cliprects)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_I915_BATCHBUFFER, (unsigned long)batchbuffer); } @@ -102,7 +102,7 @@ static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd, &cmdbuffer->cliprects)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_I915_CMDBUFFER, (unsigned long)cmdbuffer); } @@ -125,7 +125,7 @@ static int compat_i915_irq_emit(struct file *file, unsigned int cmd, &request->irq_seq)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_I915_IRQ_EMIT, (unsigned long)request); } typedef struct drm_i915_getparam32 { @@ -149,7 +149,7 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd, &request->value)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_I915_GETPARAM, (unsigned long)request); } @@ -178,7 +178,7 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd, &request->region_offset)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_I915_ALLOC, (unsigned long)request); } @@ -215,7 +215,7 @@ long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (fn != NULL) ret = (*fn) (filp, cmd, arg); else - ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); + ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); unlock_kernel(); return ret; diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index 0d4a162aa38..78c1ae28f17 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -37,6 +37,178 @@ #define MAX_NOPID ((u32)~0) +/** + * Emit blits for scheduled buffer swaps. + * + * This function will be called with the HW lock held. + */ +static void i915_vblank_tasklet(drm_device_t *dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + unsigned long irqflags; + struct list_head *list, *tmp, hits, *hit; + int nhits, nrects, slice[2], upper[2], lower[2], i; + unsigned counter[2] = { atomic_read(&dev->vbl_received), + atomic_read(&dev->vbl_received2) }; + drm_drawable_info_t *drw; + drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv; + u32 cpp = dev_priv->cpp; + u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD | + XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB) + : XY_SRC_COPY_BLT_CMD; + u32 pitchropcpp = (sarea_priv->pitch * cpp) | (0xcc << 16) | + (cpp << 23) | (1 << 24); + RING_LOCALS; + + DRM_DEBUG("\n"); + + INIT_LIST_HEAD(&hits); + + nhits = nrects = 0; + + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + + /* Find buffer swaps scheduled for this vertical blank */ + list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) { + drm_i915_vbl_swap_t *vbl_swap = + list_entry(list, drm_i915_vbl_swap_t, head); + + if ((counter[vbl_swap->pipe] - vbl_swap->sequence) > (1<<23)) + continue; + + list_del(list); + dev_priv->swaps_pending--; + + spin_unlock(&dev_priv->swaps_lock); + spin_lock(&dev->drw_lock); + + drw = drm_get_drawable_info(dev, vbl_swap->drw_id); + + if (!drw) { + spin_unlock(&dev->drw_lock); + drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER); + spin_lock(&dev_priv->swaps_lock); + continue; + } + + list_for_each(hit, &hits) { + drm_i915_vbl_swap_t *swap_cmp = + list_entry(hit, drm_i915_vbl_swap_t, head); + drm_drawable_info_t *drw_cmp = + drm_get_drawable_info(dev, swap_cmp->drw_id); + + if (drw_cmp && + drw_cmp->rects[0].y1 > drw->rects[0].y1) { + list_add_tail(list, hit); + break; + } + } + + spin_unlock(&dev->drw_lock); + + /* List of hits was empty, or we reached the end of it */ + if (hit == &hits) + list_add_tail(list, hits.prev); + + nhits++; + + spin_lock(&dev_priv->swaps_lock); + } + + if (nhits == 0) { + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + return; + } + + spin_unlock(&dev_priv->swaps_lock); + + i915_kernel_lost_context(dev); + + BEGIN_LP_RING(6); + + OUT_RING(GFX_OP_DRAWRECT_INFO); + OUT_RING(0); + OUT_RING(0); + OUT_RING(sarea_priv->width | sarea_priv->height << 16); + OUT_RING(sarea_priv->width | sarea_priv->height << 16); + OUT_RING(0); + + ADVANCE_LP_RING(); + + sarea_priv->ctxOwner = DRM_KERNEL_CONTEXT; + + upper[0] = upper[1] = 0; + slice[0] = max(sarea_priv->pipeA_h / nhits, 1); + slice[1] = max(sarea_priv->pipeB_h / nhits, 1); + lower[0] = sarea_priv->pipeA_y + slice[0]; + lower[1] = sarea_priv->pipeB_y + slice[0]; + + spin_lock(&dev->drw_lock); + + /* Emit blits for buffer swaps, partitioning both outputs into as many + * slices as there are buffer swaps scheduled in order to avoid tearing + * (based on the assumption that a single buffer swap would always + * complete before scanout starts). + */ + for (i = 0; i++ < nhits; + upper[0] = lower[0], lower[0] += slice[0], + upper[1] = lower[1], lower[1] += slice[1]) { + if (i == nhits) + lower[0] = lower[1] = sarea_priv->height; + + list_for_each(hit, &hits) { + drm_i915_vbl_swap_t *swap_hit = + list_entry(hit, drm_i915_vbl_swap_t, head); + drm_clip_rect_t *rect; + int num_rects, pipe; + unsigned short top, bottom; + + drw = drm_get_drawable_info(dev, swap_hit->drw_id); + + if (!drw) + continue; + + rect = drw->rects; + pipe = swap_hit->pipe; + top = upper[pipe]; + bottom = lower[pipe]; + + for (num_rects = drw->num_rects; num_rects--; rect++) { + int y1 = max(rect->y1, top); + int y2 = min(rect->y2, bottom); + + if (y1 >= y2) + continue; + + BEGIN_LP_RING(8); + + OUT_RING(cmd); + OUT_RING(pitchropcpp); + OUT_RING((y1 << 16) | rect->x1); + OUT_RING((y2 << 16) | rect->x2); + OUT_RING(sarea_priv->front_offset); + OUT_RING((y1 << 16) | rect->x1); + OUT_RING(pitchropcpp & 0xffff); + OUT_RING(sarea_priv->back_offset); + + ADVANCE_LP_RING(); + } + } + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + list_for_each_safe(hit, tmp, &hits) { + drm_i915_vbl_swap_t *swap_hit = + list_entry(hit, drm_i915_vbl_swap_t, head); + + list_del(hit); + + drm_free(swap_hit, sizeof(*swap_hit), DRM_MEM_DRIVER); + } +} + irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { drm_device_t *dev = (drm_device_t *) arg; @@ -60,9 +232,26 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) DRM_WAKEUP(&dev_priv->irq_queue); if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) { - atomic_inc(&dev->vbl_received); + int vblank_pipe = dev_priv->vblank_pipe; + + if ((vblank_pipe & + (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) + == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) { + if (temp & VSYNC_PIPEA_FLAG) + atomic_inc(&dev->vbl_received); + if (temp & VSYNC_PIPEB_FLAG) + atomic_inc(&dev->vbl_received2); + } else if (((temp & VSYNC_PIPEA_FLAG) && + (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) || + ((temp & VSYNC_PIPEB_FLAG) && + (vblank_pipe & DRM_I915_VBLANK_PIPE_B))) + atomic_inc(&dev->vbl_received); + DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); + + if (dev_priv->swaps_pending > 0) + drm_locked_tasklet(dev, i915_vblank_tasklet); } return IRQ_HANDLED; @@ -120,7 +309,8 @@ static int i915_wait_irq(drm_device_t * dev, int irq_nr) return ret; } -int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +static int i915_driver_vblank_do_wait(drm_device_t *dev, unsigned int *sequence, + atomic_t *counter) { drm_i915_private_t *dev_priv = dev->dev_private; unsigned int cur_vblank; @@ -132,7 +322,7 @@ int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) } DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, - (((cur_vblank = atomic_read(&dev->vbl_received)) + (((cur_vblank = atomic_read(counter)) - *sequence) <= (1<<23))); *sequence = cur_vblank; @@ -141,6 +331,16 @@ int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) } +int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +{ + return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received); +} + +int i915_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence) +{ + return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received2); +} + /* Needs the lock as it touches the ring. */ int i915_irq_emit(DRM_IOCTL_ARGS) @@ -189,7 +389,7 @@ int i915_irq_wait(DRM_IOCTL_ARGS) return i915_wait_irq(dev, irqwait.irq_seq); } -static int i915_enable_interrupt (drm_device_t *dev) +static void i915_enable_interrupt (drm_device_t *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; u16 flag; @@ -199,13 +399,8 @@ static int i915_enable_interrupt (drm_device_t *dev) flag |= VSYNC_PIPEA_FLAG; if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B) flag |= VSYNC_PIPEB_FLAG; - if (dev_priv->vblank_pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) { - DRM_ERROR("%s called with invalid pipe 0x%x\n", - __FUNCTION__, dev_priv->vblank_pipe); - return DRM_ERR(EINVAL); - } + I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag); - return 0; } /* Set the vblank monitor pipe @@ -224,8 +419,17 @@ int i915_vblank_pipe_set(DRM_IOCTL_ARGS) DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data, sizeof(pipe)); + if (pipe.pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) { + DRM_ERROR("%s called with invalid pipe 0x%x\n", + __FUNCTION__, pipe.pipe); + return DRM_ERR(EINVAL); + } + dev_priv->vblank_pipe = pipe.pipe; - return i915_enable_interrupt (dev); + + i915_enable_interrupt (dev); + + return 0; } int i915_vblank_pipe_get(DRM_IOCTL_ARGS) @@ -251,6 +455,118 @@ int i915_vblank_pipe_get(DRM_IOCTL_ARGS) return 0; } +/** + * Schedule buffer swap at given vertical blank. + */ +int i915_vblank_swap(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_vblank_swap_t swap; + drm_i915_vbl_swap_t *vbl_swap; + unsigned int pipe, seqtype, curseq; + unsigned long irqflags; + struct list_head *list; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __func__); + return DRM_ERR(EINVAL); + } + + if (dev_priv->sarea_priv->rotation) { + DRM_DEBUG("Rotation not supported\n"); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(swap, (drm_i915_vblank_swap_t __user *) data, + sizeof(swap)); + + if (swap.seqtype & ~(_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE | + _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)) { + DRM_ERROR("Invalid sequence type 0x%x\n", swap.seqtype); + return DRM_ERR(EINVAL); + } + + pipe = (swap.seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0; + + seqtype = swap.seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE); + + if (!(dev_priv->vblank_pipe & (1 << pipe))) { + DRM_ERROR("Invalid pipe %d\n", pipe); + return DRM_ERR(EINVAL); + } + + spin_lock_irqsave(&dev->drw_lock, irqflags); + + if (!drm_get_drawable_info(dev, swap.drawable)) { + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + DRM_DEBUG("Invalid drawable ID %d\n", swap.drawable); + return DRM_ERR(EINVAL); + } + + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + + curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received); + + if (seqtype == _DRM_VBLANK_RELATIVE) + swap.sequence += curseq; + + if ((curseq - swap.sequence) <= (1<<23)) { + if (swap.seqtype & _DRM_VBLANK_NEXTONMISS) { + swap.sequence = curseq + 1; + } else { + DRM_DEBUG("Missed target sequence\n"); + return DRM_ERR(EINVAL); + } + } + + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + + list_for_each(list, &dev_priv->vbl_swaps.head) { + vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head); + + if (vbl_swap->drw_id == swap.drawable && + vbl_swap->pipe == pipe && + vbl_swap->sequence == swap.sequence) { + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + DRM_DEBUG("Already scheduled\n"); + return 0; + } + } + + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + + if (dev_priv->swaps_pending >= 100) { + DRM_DEBUG("Too many swaps queued\n"); + return DRM_ERR(EBUSY); + } + + vbl_swap = drm_calloc(1, sizeof(vbl_swap), DRM_MEM_DRIVER); + + if (!vbl_swap) { + DRM_ERROR("Failed to allocate memory to queue swap\n"); + return DRM_ERR(ENOMEM); + } + + DRM_DEBUG("\n"); + + vbl_swap->drw_id = swap.drawable; + vbl_swap->pipe = pipe; + vbl_swap->sequence = swap.sequence; + + spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); + + list_add_tail((struct list_head *)vbl_swap, &dev_priv->vbl_swaps.head); + dev_priv->swaps_pending++; + + spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); + + DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_swap_t __user *) data, swap, + sizeof(swap)); + + return 0; +} + /* drm_dma.h hooks */ void i915_driver_irq_preinstall(drm_device_t * dev) @@ -266,6 +582,12 @@ void i915_driver_irq_postinstall(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + dev_priv->swaps_lock = SPIN_LOCK_UNLOCKED; + INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); + dev_priv->swaps_pending = 0; + + if (!dev_priv->vblank_pipe) + dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A; i915_enable_interrupt(dev); DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); } diff --git a/drivers/char/drm/mga_ioc32.c b/drivers/char/drm/mga_ioc32.c index 54a18eb2fc0..30d00478dde 100644 --- a/drivers/char/drm/mga_ioc32.c +++ b/drivers/char/drm/mga_ioc32.c @@ -100,7 +100,7 @@ static int compat_mga_init(struct file *file, unsigned int cmd, if (err) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_MGA_INIT, (unsigned long)init); } @@ -125,7 +125,7 @@ static int compat_mga_getparam(struct file *file, unsigned int cmd, &getparam->value)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_MGA_GETPARAM, (unsigned long)getparam); } @@ -166,7 +166,7 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd, || __put_user(dma_bootstrap32.agp_size, &dma_bootstrap->agp_size)) return -EFAULT; - err = drm_ioctl(file->f_dentry->d_inode, file, + err = drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_MGA_DMA_BOOTSTRAP, (unsigned long)dma_bootstrap); if (err) @@ -224,7 +224,7 @@ long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (fn != NULL) ret = (*fn) (filp, cmd, arg); else - ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); + ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); unlock_kernel(); return ret; diff --git a/drivers/char/drm/r128_drm.h b/drivers/char/drm/r128_drm.h index 5d835b006f5..6e8af313f2b 100644 --- a/drivers/char/drm/r128_drm.h +++ b/drivers/char/drm/r128_drm.h @@ -1,7 +1,8 @@ /* r128_drm.h -- Public header for the r128 driver -*- linux-c -*- * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com */ -/* Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. +/* + * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All rights reserved. * diff --git a/drivers/char/drm/r128_drv.h b/drivers/char/drm/r128_drv.h index 94abffb2cca..f1efb49de8d 100644 --- a/drivers/char/drm/r128_drv.h +++ b/drivers/char/drm/r128_drv.h @@ -1,7 +1,8 @@ /* r128_drv.h -- Private header for r128 driver -*- linux-c -*- * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com */ -/* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All rights reserved. * diff --git a/drivers/char/drm/r128_ioc32.c b/drivers/char/drm/r128_ioc32.c index 9dd6d4116e4..d3cb676eee8 100644 --- a/drivers/char/drm/r128_ioc32.c +++ b/drivers/char/drm/r128_ioc32.c @@ -95,7 +95,7 @@ static int compat_r128_init(struct file *file, unsigned int cmd, &init->agp_textures_offset)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_R128_INIT, (unsigned long)init); } @@ -129,7 +129,7 @@ static int compat_r128_depth(struct file *file, unsigned int cmd, &depth->mask)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_R128_DEPTH, (unsigned long)depth); } @@ -153,7 +153,7 @@ static int compat_r128_stipple(struct file *file, unsigned int cmd, &stipple->mask)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_R128_STIPPLE, (unsigned long)stipple); } @@ -178,7 +178,7 @@ static int compat_r128_getparam(struct file *file, unsigned int cmd, &getparam->value)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam); } @@ -214,7 +214,7 @@ long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (fn != NULL) ret = (*fn) (filp, cmd, arg); else - ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); + ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); unlock_kernel(); return ret; diff --git a/drivers/char/drm/r128_state.c b/drivers/char/drm/r128_state.c index a080cdd6081..17b11e7d8f3 100644 --- a/drivers/char/drm/r128_state.c +++ b/drivers/char/drm/r128_state.c @@ -1,7 +1,8 @@ /* r128_state.c -- State support for r128 -*- linux-c -*- * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com */ -/* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. +/* + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index d14477ba367..032a022ec6a 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -242,26 +242,6 @@ static __inline__ int r300_check_range(unsigned reg, int count) return 0; } -/* - * we expect offsets passed to the framebuffer to be either within video - * memory or within AGP space - */ -static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, - u32 offset) -{ - /* we realy want to check against end of video aperture - but this value is not being kept. - This code is correct for now (does the same thing as the - code that sets MC_FB_LOCATION) in radeon_cp.c */ - if (offset >= dev_priv->fb_location && - offset < (dev_priv->fb_location + dev_priv->fb_size)) - return 0; - if (offset >= dev_priv->gart_vm_start && - offset < (dev_priv->gart_vm_start + dev_priv->gart_size)) - return 0; - return 1; -} - static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t * dev_priv, drm_radeon_kcmd_buffer_t @@ -290,7 +270,7 @@ static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t * case MARK_SAFE: break; case MARK_CHECK_OFFSET: - if (r300_check_offset(dev_priv, (u32) values[i])) { + if (!radeon_check_offset(dev_priv, (u32) values[i])) { DRM_ERROR ("Offset failed range check (reg=%04x sz=%d)\n", reg, sz); @@ -452,7 +432,7 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, i = 1; while ((k < narrays) && (i < (count + 1))) { i++; /* skip attribute field */ - if (r300_check_offset(dev_priv, payload[i])) { + if (!radeon_check_offset(dev_priv, payload[i])) { DRM_ERROR ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", k, i); @@ -463,7 +443,7 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, if (k == narrays) break; /* have one more to process, they come in pairs */ - if (r300_check_offset(dev_priv, payload[i])) { + if (!radeon_check_offset(dev_priv, payload[i])) { DRM_ERROR ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", k, i); @@ -508,7 +488,7 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { offset = cmd[2] << 10; - ret = r300_check_offset(dev_priv, offset); + ret = !radeon_check_offset(dev_priv, offset); if (ret) { DRM_ERROR("Invalid bitblt first offset is %08X\n", offset); return DRM_ERR(EINVAL); @@ -518,7 +498,7 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) && (cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { offset = cmd[3] << 10; - ret = r300_check_offset(dev_priv, offset); + ret = !radeon_check_offset(dev_priv, offset); if (ret) { DRM_ERROR("Invalid bitblt second offset is %08X\n", offset); return DRM_ERR(EINVAL); @@ -551,7 +531,7 @@ static __inline__ int r300_emit_indx_buffer(drm_radeon_private_t *dev_priv, DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]); return DRM_ERR(EINVAL); } - ret = r300_check_offset(dev_priv, cmd[2]); + ret = !radeon_check_offset(dev_priv, cmd[2]); if (ret) { DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]); return DRM_ERR(EINVAL); diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index f45cd7f147a..8b105f1460a 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -303,6 +303,21 @@ extern int radeon_no_wb; extern drm_ioctl_desc_t radeon_ioctls[]; extern int radeon_max_ioctl; +/* Check whether the given hardware address is inside the framebuffer or the + * GART area. + */ +static __inline__ int radeon_check_offset(drm_radeon_private_t *dev_priv, + u64 off) +{ + u32 fb_start = dev_priv->fb_location; + u32 fb_end = fb_start + dev_priv->fb_size - 1; + u32 gart_start = dev_priv->gart_vm_start; + u32 gart_end = gart_start + dev_priv->gart_size - 1; + + return ((off >= fb_start && off <= fb_end) || + (off >= gart_start && off <= gart_end)); +} + /* radeon_cp.c */ extern int radeon_cp_init(DRM_IOCTL_ARGS); extern int radeon_cp_start(DRM_IOCTL_ARGS); diff --git a/drivers/char/drm/radeon_ioc32.c b/drivers/char/drm/radeon_ioc32.c index 0ccfd3618ff..1f1f9cc055a 100644 --- a/drivers/char/drm/radeon_ioc32.c +++ b/drivers/char/drm/radeon_ioc32.c @@ -92,7 +92,7 @@ static int compat_radeon_cp_init(struct file *file, unsigned int cmd, &init->gart_textures_offset)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_CP_INIT, (unsigned long)init); } @@ -125,7 +125,7 @@ static int compat_radeon_cp_clear(struct file *file, unsigned int cmd, &clr->depth_boxes)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_CLEAR, (unsigned long)clr); } @@ -149,7 +149,7 @@ static int compat_radeon_cp_stipple(struct file *file, unsigned int cmd, &request->mask)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_STIPPLE, (unsigned long)request); } @@ -204,7 +204,7 @@ static int compat_radeon_cp_texture(struct file *file, unsigned int cmd, &image->data)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_TEXTURE, (unsigned long)request); } @@ -238,7 +238,7 @@ static int compat_radeon_cp_vertex2(struct file *file, unsigned int cmd, &request->prim)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_VERTEX2, (unsigned long)request); } @@ -268,7 +268,7 @@ static int compat_radeon_cp_cmdbuf(struct file *file, unsigned int cmd, &request->boxes)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_CMDBUF, (unsigned long)request); } @@ -293,7 +293,7 @@ static int compat_radeon_cp_getparam(struct file *file, unsigned int cmd, &request->value)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_GETPARAM, (unsigned long)request); } @@ -322,7 +322,7 @@ static int compat_radeon_mem_alloc(struct file *file, unsigned int cmd, &request->region_offset)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_ALLOC, (unsigned long)request); } @@ -345,7 +345,7 @@ static int compat_radeon_irq_emit(struct file *file, unsigned int cmd, &request->irq_seq)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_path.dentry->d_inode, file, DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long)request); } @@ -386,7 +386,7 @@ long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (fn != NULL) ret = (*fn) (filp, cmd, arg); else - ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); + ret = drm_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg); unlock_kernel(); return ret; diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c index d60519de887..3ff0baa2fbf 100644 --- a/drivers/char/drm/radeon_irq.c +++ b/drivers/char/drm/radeon_irq.c @@ -1,5 +1,5 @@ -/* radeon_irq.c -- IRQ handling for radeon -*- linux-c -*- - * +/* radeon_irq.c -- IRQ handling for radeon -*- linux-c -*- */ +/* * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. * * The Weather Channel (TM) funded Tungsten Graphics to develop the diff --git a/drivers/char/drm/radeon_mem.c b/drivers/char/drm/radeon_mem.c index 030a6fad0d8..517cad8b6e3 100644 --- a/drivers/char/drm/radeon_mem.c +++ b/drivers/char/drm/radeon_mem.c @@ -1,5 +1,5 @@ -/* radeon_mem.c -- Simple GART/fb memory manager for radeon -*- linux-c -*- - * +/* radeon_mem.c -- Simple GART/fb memory manager for radeon -*- linux-c -*- */ +/* * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. * * The Weather Channel (TM) funded Tungsten Graphics to develop the diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c index 6e04fdd732a..938eccb78cc 100644 --- a/drivers/char/drm/radeon_state.c +++ b/drivers/char/drm/radeon_state.c @@ -43,10 +43,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t * u32 *offset) { u64 off = *offset; - u32 fb_start = dev_priv->fb_location; - u32 fb_end = fb_start + dev_priv->fb_size - 1; - u32 gart_start = dev_priv->gart_vm_start; - u32 gart_end = gart_start + dev_priv->gart_size - 1; + u32 fb_end = dev_priv->fb_location + dev_priv->fb_size - 1; struct drm_radeon_driver_file_fields *radeon_priv; /* Hrm ... the story of the offset ... So this function converts @@ -66,8 +63,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t * /* First, the best case, the offset already lands in either the * framebuffer or the GART mapped space */ - if ((off >= fb_start && off <= fb_end) || - (off >= gart_start && off <= gart_end)) + if (radeon_check_offset(dev_priv, off)) return 0; /* Ok, that didn't happen... now check if we have a zero based @@ -81,11 +77,10 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t * /* Finally, assume we aimed at a GART offset if beyond the fb */ if (off > fb_end) - off = off - fb_end - 1 + gart_start; + off = off - fb_end - 1 + dev_priv->gart_vm_start; /* Now recheck and fail if out of bounds */ - if ((off >= fb_start && off <= fb_end) || - (off >= gart_start && off <= gart_end)) { + if (radeon_check_offset(dev_priv, off)) { DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off); *offset = off; return 0; diff --git a/drivers/char/drm/savage_bci.c b/drivers/char/drm/savage_bci.c index a9a84f88df5..b94fab55680 100644 --- a/drivers/char/drm/savage_bci.c +++ b/drivers/char/drm/savage_bci.c @@ -963,8 +963,8 @@ static int savage_bci_event_emit(DRM_IOCTL_ARGS) event.count = savage_bci_emit_event(dev_priv, event.flags); event.count |= dev_priv->event_wrap << 16; - DRM_COPY_TO_USER_IOCTL(&((drm_savage_event_emit_t __user *) data)-> - count, event.count, sizeof(event.count)); + DRM_COPY_TO_USER_IOCTL((drm_savage_event_emit_t __user *) data, + event, sizeof(event)); return 0; } diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c index a691ae74129..c0539c6299c 100644 --- a/drivers/char/drm/via_dma.c +++ b/drivers/char/drm/via_dma.c @@ -190,6 +190,11 @@ static int via_initialize(drm_device_t * dev, return DRM_ERR(EFAULT); } + if (dev_priv->chipset == VIA_DX9_0) { + DRM_ERROR("AGP DMA is not supported on this chip\n"); + return DRM_ERR(EINVAL); + } + dev_priv->ring.map.offset = dev->agp->base + init->offset; dev_priv->ring.map.size = init->size; dev_priv->ring.map.type = 0; @@ -480,6 +485,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv, VIA_WRITE(VIA_REG_TRANSET, (HC_ParaType_PreCR << 16)); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); + VIA_READ(VIA_REG_TRANSPACE); } } return paused; @@ -557,8 +563,9 @@ static void via_cmdbuf_start(drm_via_private_t * dev_priv) VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi); VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo); - + DRM_WRITEMEMORYBARRIER(); VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK); + VIA_READ(VIA_REG_TRANSPACE); } static void via_pad_cache(drm_via_private_t * dev_priv, int qwords) diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c index 806f9ce5f47..2054d577371 100644 --- a/drivers/char/drm/via_dmablit.c +++ b/drivers/char/drm/via_dmablit.c @@ -218,7 +218,9 @@ via_fire_dmablit(drm_device_t *dev, drm_via_sg_info_t *vsg, int engine) VIA_WRITE(VIA_PCI_DMA_MR0 + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE); VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0); VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start); + DRM_WRITEMEMORYBARRIER(); VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS); + VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04); } /* diff --git a/drivers/char/drm/via_drv.h b/drivers/char/drm/via_drv.h index d21b5b75da0..8b8778d4a42 100644 --- a/drivers/char/drm/via_drv.h +++ b/drivers/char/drm/via_drv.h @@ -29,10 +29,10 @@ #define DRIVER_NAME "via" #define DRIVER_DESC "VIA Unichrome / Pro" -#define DRIVER_DATE "20060529" +#define DRIVER_DATE "20061227" #define DRIVER_MAJOR 2 -#define DRIVER_MINOR 10 +#define DRIVER_MINOR 11 #define DRIVER_PATCHLEVEL 0 #include "via_verifier.h" @@ -79,7 +79,7 @@ typedef struct drm_via_private { char pci_buf[VIA_PCI_BUF_SIZE]; const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; uint32_t num_fire_offsets; - int pro_group_a; + int chipset; drm_via_irq_t via_irqs[VIA_NUM_IRQS]; unsigned num_irqs; maskarray_t *irq_masks; @@ -96,8 +96,9 @@ typedef struct drm_via_private { } drm_via_private_t; enum via_family { - VIA_OTHER = 0, - VIA_PRO_GROUP_A, + VIA_OTHER = 0, /* Baseline */ + VIA_PRO_GROUP_A, /* Another video engine and DMA commands */ + VIA_DX9_0 /* Same video as pro_group_a, but 3D is unsupported */ }; /* VIA MMIO register access */ diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c index c33d068cde1..1ac5941ad23 100644 --- a/drivers/char/drm/via_irq.c +++ b/drivers/char/drm/via_irq.c @@ -258,12 +258,16 @@ void via_driver_irq_preinstall(drm_device_t * dev) dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE; dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING; - dev_priv->irq_masks = (dev_priv->pro_group_a) ? - via_pro_group_a_irqs : via_unichrome_irqs; - dev_priv->num_irqs = (dev_priv->pro_group_a) ? - via_num_pro_group_a : via_num_unichrome; - dev_priv->irq_map = (dev_priv->pro_group_a) ? - via_irqmap_pro_group_a : via_irqmap_unichrome; + if (dev_priv->chipset == VIA_PRO_GROUP_A || + dev_priv->chipset == VIA_DX9_0) { + dev_priv->irq_masks = via_pro_group_a_irqs; + dev_priv->num_irqs = via_num_pro_group_a; + dev_priv->irq_map = via_irqmap_pro_group_a; + } else { + dev_priv->irq_masks = via_unichrome_irqs; + dev_priv->num_irqs = via_num_unichrome; + dev_priv->irq_map = via_irqmap_unichrome; + } for (i = 0; i < dev_priv->num_irqs; ++i) { atomic_set(&cur_irq->irq_received, 0); diff --git a/drivers/char/drm/via_map.c b/drivers/char/drm/via_map.c index 782011e0a58..4e3fc072aa3 100644 --- a/drivers/char/drm/via_map.c +++ b/drivers/char/drm/via_map.c @@ -106,8 +106,7 @@ int via_driver_load(drm_device_t *dev, unsigned long chipset) dev->dev_private = (void *)dev_priv; - if (chipset == VIA_PRO_GROUP_A) - dev_priv->pro_group_a = 1; + dev_priv->chipset = chipset; ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); if (ret) { diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c index 70c897c8876..2e7e0807828 100644 --- a/drivers/char/drm/via_verifier.c +++ b/drivers/char/drm/via_verifier.c @@ -306,6 +306,7 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq) unsigned long lo = ~0, hi = 0, tmp; uint32_t *addr, *pitch, *height, tex; unsigned i; + int npot; if (end > 9) end = 9; @@ -316,12 +317,15 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq) &(cur_seq->t_addr[tex = cur_seq->texture][start]); pitch = &(cur_seq->pitch[tex][start]); height = &(cur_seq->height[tex][start]); - + npot = cur_seq->tex_npot[tex]; for (i = start; i <= end; ++i) { tmp = *addr++; if (tmp < lo) lo = tmp; - tmp += (*height++ << *pitch++); + if (i == 0 && npot) + tmp += (*height++ * *pitch++); + else + tmp += (*height++ << *pitch++); if (tmp > hi) hi = tmp; } @@ -443,13 +447,21 @@ investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq) return 0; case check_texture_addr3: cur_seq->unfinished = tex_address; - tmp = ((cmd >> 24) - 0x2B); - cur_seq->pitch[cur_seq->texture][tmp] = - (cmd & 0x00F00000) >> 20; - if (!tmp && (cmd & 0x000FFFFF)) { - DRM_ERROR - ("Unimplemented texture level 0 pitch mode.\n"); - return 2; + tmp = ((cmd >> 24) - HC_SubA_HTXnL0Pit); + if (tmp == 0 && + (cmd & HC_HTXnEnPit_MASK)) { + cur_seq->pitch[cur_seq->texture][tmp] = + (cmd & HC_HTXnLnPit_MASK); + cur_seq->tex_npot[cur_seq->texture] = 1; + } else { + cur_seq->pitch[cur_seq->texture][tmp] = + (cmd & HC_HTXnLnPitE_MASK) >> HC_HTXnLnPitE_SHIFT; + cur_seq->tex_npot[cur_seq->texture] = 0; + if (cmd & 0x000FFFFF) { + DRM_ERROR + ("Unimplemented texture level 0 pitch mode.\n"); + return 2; + } } return 0; case check_texture_addr4: @@ -961,7 +973,13 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size, uint32_t cmd; const uint32_t *buf_end = buf + (size >> 2); verifier_state_t state = state_command; - int pro_group_a = dev_priv->pro_group_a; + int cme_video; + int supported_3d; + + cme_video = (dev_priv->chipset == VIA_PRO_GROUP_A || + dev_priv->chipset == VIA_DX9_0); + + supported_3d = dev_priv->chipset != VIA_DX9_0; hc_state->dev = dev; hc_state->unfinished = no_sequence; @@ -986,17 +1004,21 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size, state = via_check_vheader6(&buf, buf_end); break; case state_command: - if (HALCYON_HEADER2 == (cmd = *buf)) + if ((HALCYON_HEADER2 == (cmd = *buf)) && + supported_3d) state = state_header2; else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) state = state_header1; - else if (pro_group_a + else if (cme_video && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5) state = state_vheader5; - else if (pro_group_a + else if (cme_video && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6) state = state_vheader6; - else { + else if ((cmd == HALCYON_HEADER2) && !supported_3d) { + DRM_ERROR("Accelerated 3D is not supported on this chipset yet.\n"); + state = state_error; + } else { DRM_ERROR ("Invalid / Unimplemented DMA HEADER command. 0x%x\n", cmd); diff --git a/drivers/char/drm/via_verifier.h b/drivers/char/drm/via_verifier.h index 256590fcc22..b77f59df027 100644 --- a/drivers/char/drm/via_verifier.h +++ b/drivers/char/drm/via_verifier.h @@ -43,6 +43,7 @@ typedef struct { uint32_t tex_level_lo[2]; uint32_t tex_level_hi[2]; uint32_t tex_palette_size[2]; + uint32_t tex_npot[2]; drm_via_sequence_t unfinished; int agp_texture; int multitex; diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 9b1bf60ffbe..06f2dbf1771 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -201,7 +201,7 @@ static int dsp56k_upload(u_char __user *bin, int len) static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; int dev = iminor(inode) & 0x0f; switch(dev) @@ -264,7 +264,7 @@ static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count, static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; int dev = iminor(inode) & 0x0f; switch(dev) @@ -420,7 +420,7 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, #if 0 static unsigned int dsp56k_poll(struct file *file, poll_table *wait) { - int dev = iminor(file->f_dentry->d_inode) & 0x0f; + int dev = iminor(file->f_path.dentry->d_inode) & 0x0f; switch(dev) { diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c index 5e82c3bad2e..d4005e94fe5 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -122,7 +122,7 @@ static void dtlk_timer_tick(unsigned long data); static ssize_t dtlk_read(struct file *file, char __user *buf, size_t count, loff_t * ppos) { - unsigned int minor = iminor(file->f_dentry->d_inode); + unsigned int minor = iminor(file->f_path.dentry->d_inode); char ch; int i = 0, retries; @@ -174,7 +174,7 @@ static ssize_t dtlk_write(struct file *file, const char __user *buf, } #endif - if (iminor(file->f_dentry->d_inode) != DTLK_MINOR) + if (iminor(file->f_path.dentry->d_inode) != DTLK_MINOR) return -EINVAL; while (1) { diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 7c71eb77980..a0f822c9d74 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -199,7 +199,7 @@ static int pc_ioctl(struct tty_struct *, struct file *, unsigned int, unsigned long); static int info_ioctl(struct tty_struct *, struct file *, unsigned int, unsigned long); -static void pc_set_termios(struct tty_struct *, struct termios *); +static void pc_set_termios(struct tty_struct *, struct ktermios *); static void do_softint(struct work_struct *work); static void pc_stop(struct tty_struct *); static void pc_start(struct tty_struct *); @@ -1236,6 +1236,8 @@ static int __init pc_init(void) pc_driver->init_termios.c_oflag = 0; pc_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL; pc_driver->init_termios.c_lflag = 0; + pc_driver->init_termios.c_ispeed = 9600; + pc_driver->init_termios.c_ospeed = 9600; pc_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(pc_driver, &pc_ops); @@ -1250,6 +1252,8 @@ static int __init pc_init(void) pc_info->init_termios.c_oflag = 0; pc_info->init_termios.c_lflag = 0; pc_info->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL; + pc_info->init_termios.c_ispeed = 9600; + pc_info->init_termios.c_ospeed = 9600; pc_info->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(pc_info, &info_ops); @@ -1999,7 +2003,7 @@ static void epcaparam(struct tty_struct *tty, struct channel *ch) { /* Begin epcaparam */ unsigned int cmdHead; - struct termios *ts; + struct ktermios *ts; struct board_chan __iomem *bc; unsigned mval, hflow, cflag, iflag; @@ -2114,7 +2118,7 @@ static void receive_data(struct channel *ch) { /* Begin receive_data */ unchar *rptr; - struct termios *ts = NULL; + struct ktermios *ts = NULL; struct tty_struct *tty; struct board_chan __iomem *bc; int dataToRead, wrapgap, bytesAvailable; @@ -2362,12 +2366,14 @@ static int pc_ioctl(struct tty_struct *tty, struct file * file, switch (cmd) { /* Begin switch cmd */ +#if 0 /* Handled by calling layer properly */ case TCGETS: - if (copy_to_user(argp, tty->termios, sizeof(struct termios))) + if (copy_to_user(argp, tty->termios, sizeof(struct ktermios))) return -EFAULT; return 0; case TCGETA: return get_termio(tty, argp); +#endif case TCSBRK: /* SVID version: non-zero arg --> no break */ retval = tty_check_change(tty); if (retval) @@ -2536,7 +2542,7 @@ static int pc_ioctl(struct tty_struct *tty, struct file * file, /* --------------------- Begin pc_set_termios ----------------------- */ -static void pc_set_termios(struct tty_struct *tty, struct termios *old_termios) +static void pc_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { /* Begin pc_set_termios */ struct channel *ch; diff --git a/drivers/char/esp.c b/drivers/char/esp.c index 93b55196251..d1bfbaa2aa0 100644 --- a/drivers/char/esp.c +++ b/drivers/char/esp.c @@ -1915,7 +1915,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file, return 0; } -static void rs_set_termios(struct tty_struct *tty, struct termios *old_termios) +static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct esp_struct *info = (struct esp_struct *)tty->driver_data; unsigned long flags; diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index 87127e49c0d..e769811e741 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -718,11 +718,11 @@ static unsigned int gs_baudrates[] = { void gs_set_termios (struct tty_struct * tty, - struct termios * old_termios) + struct ktermios * old_termios) { struct gs_port *port; int baudrate, tmp, rv; - struct termios *tiosp; + struct ktermios *tiosp; func_enter(); diff --git a/drivers/char/hvc_beat.c b/drivers/char/hvc_beat.c new file mode 100644 index 00000000000..6f019f19be7 --- /dev/null +++ b/drivers/char/hvc_beat.c @@ -0,0 +1,134 @@ +/* + * Beat hypervisor console driver + * + * (C) Copyright 2006 TOSHIBA CORPORATION + * + * This code is based on drivers/char/hvc_rtas.c: + * (C) Copyright IBM Corporation 2001-2005 + * (C) Copyright Red Hat, Inc. 2005 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/string.h> +#include <linux/console.h> +#include <asm/prom.h> +#include <asm/hvconsole.h> +#include <asm/firmware.h> + +#include "hvc_console.h" + +extern int64_t beat_get_term_char(uint64_t, uint64_t *, uint64_t *, uint64_t *); +extern int64_t beat_put_term_char(uint64_t, uint64_t, uint64_t, uint64_t); + +struct hvc_struct *hvc_beat_dev = NULL; + +/* bug: only one queue is available regardless of vtermno */ +static int hvc_beat_get_chars(uint32_t vtermno, char *buf, int cnt) +{ + static unsigned char q[sizeof(unsigned long) * 2] + __attribute__((aligned(sizeof(unsigned long)))); + static int qlen = 0; + unsigned long got; + +again: + if (qlen) { + if (qlen > cnt) { + memcpy(buf, q, cnt); + qlen -= cnt; + memmove(q + cnt, q, qlen); + return cnt; + } else { /* qlen <= cnt */ + int r; + + memcpy(buf, q, qlen); + r = qlen; + qlen = 0; + return r; + } + } + if (beat_get_term_char(vtermno, &got, + ((unsigned long *)q), ((unsigned long *)q) + 1) == 0) { + qlen = got; + goto again; + } + return 0; +} + +static int hvc_beat_put_chars(uint32_t vtermno, const char *buf, int cnt) +{ + unsigned long kb[2]; + int rest, nlen; + + for (rest = cnt; rest > 0; rest -= nlen) { + nlen = (rest > 16) ? 16 : rest; + memcpy(kb, buf, nlen); + beat_put_term_char(vtermno, rest, kb[0], kb[1]); + rest -= nlen; + } + return cnt; +} + +static struct hv_ops hvc_beat_get_put_ops = { + .get_chars = hvc_beat_get_chars, + .put_chars = hvc_beat_put_chars, +}; + +static int hvc_beat_useit = 1; + +static int hvc_beat_config(char *p) +{ + hvc_beat_useit = simple_strtoul(p, NULL, 0); + return 0; +} + +static int hvc_beat_console_init(void) +{ + if (hvc_beat_useit && machine_is_compatible("Beat")) { + hvc_instantiate(0, 0, &hvc_beat_get_put_ops); + } + return 0; +} + +/* temp */ +static int hvc_beat_init(void) +{ + struct hvc_struct *hp; + + if (!firmware_has_feature(FW_FEATURE_BEAT)) + return -ENODEV; + + hp = hvc_alloc(0, NO_IRQ, &hvc_beat_get_put_ops, 16); + if (IS_ERR(hp)) + return PTR_ERR(hp); + hvc_beat_dev = hp; + return 0; +} + +static void __exit hvc_beat_exit(void) +{ + if (hvc_beat_dev) + hvc_remove(hvc_beat_dev); +} + +module_init(hvc_beat_init); +module_exit(hvc_beat_exit); + +__setup("hvc_beat=", hvc_beat_config); + +console_initcall(hvc_beat_console_init); diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index d090622f1de..207f7343ba6 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -192,11 +192,13 @@ MODULE_VERSION(HVCS_DRIVER_VERSION); * that will cause echoing or we'll go into recursive loop echoing chars back * and forth with the console drivers. */ -static struct termios hvcs_tty_termios = { +static struct ktermios hvcs_tty_termios = { .c_iflag = IGNBRK | IGNPAR, .c_oflag = OPOST, .c_cflag = B38400 | CS8 | CREAD | HUPCL, - .c_cc = INIT_C_CC + .c_cc = INIT_C_CC, + .c_ispeed = 38400, + .c_ospeed = 38400 }; /* diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index 82a41d5b4ed..d7806834fc1 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c @@ -1161,6 +1161,8 @@ static int __init hvsi_init(void) hvsi_driver->type = TTY_DRIVER_TYPE_SYSTEM; hvsi_driver->init_termios = tty_std_termios; hvsi_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL; + hvsi_driver->init_termios.c_ispeed = 9600; + hvsi_driver->init_termios.c_ospeed = 9600; hvsi_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(hvsi_driver, &hvsi_ops); diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index 71e4e0f3fd5..556fd81fa81 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -144,7 +144,7 @@ static void __exit mod_exit(void) hwrng_unregister(&amd_rng); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_AUTHOR("The Linux Kernel team"); diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c index d37ced0d132..8e8658dcd2e 100644 --- a/drivers/char/hw_random/geode-rng.c +++ b/drivers/char/hw_random/geode-rng.c @@ -125,7 +125,7 @@ static void __exit mod_exit(void) iounmap(mem); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_DESCRIPTION("H/W RNG driver for AMD Geode LX CPUs"); diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c index 8efbc9c0e54..f22e78e3c70 100644 --- a/drivers/char/hw_random/intel-rng.c +++ b/drivers/char/hw_random/intel-rng.c @@ -143,6 +143,11 @@ static const struct pci_device_id pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, pci_tbl); +static __initdata int no_fwh_detect; +module_param(no_fwh_detect, int, 0); +MODULE_PARM_DESC(no_fwh_detect, "Skip FWH detection:\n" + " positive value - skip if FWH space locked read-only\n" + " negative value - skip always"); static inline u8 hwstatus_get(void __iomem *mem) { @@ -240,6 +245,11 @@ static int __init mod_init(void) if (!dev) goto out; /* Device not found. */ + if (no_fwh_detect < 0) { + pci_dev_put(dev); + goto fwh_done; + } + /* Check for Intel 82802 */ if (dev->device < 0x2640) { fwh_dec_en1_off = FWH_DEC_EN1_REG_OLD; @@ -252,6 +262,23 @@ static int __init mod_init(void) pci_read_config_byte(dev, fwh_dec_en1_off, &fwh_dec_en1_val); pci_read_config_byte(dev, bios_cntl_off, &bios_cntl_val); + if ((bios_cntl_val & + (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK)) + == BIOS_CNTL_LOCK_ENABLE_MASK) { + static __initdata /*const*/ char warning[] = + KERN_WARNING PFX "Firmware space is locked read-only. If you can't or\n" + KERN_WARNING PFX "don't want to disable this in firmware setup, and if\n" + KERN_WARNING PFX "you are certain that your system has a functional\n" + KERN_WARNING PFX "RNG, try using the 'no_fwh_detect' option.\n"; + + pci_dev_put(dev); + if (no_fwh_detect) + goto fwh_done; + printk(warning); + err = -EBUSY; + goto out; + } + mem = ioremap_nocache(INTEL_FWH_ADDR, INTEL_FWH_ADDR_LEN); if (mem == NULL) { pci_dev_put(dev); @@ -280,8 +307,7 @@ static int __init mod_init(void) pci_write_config_byte(dev, fwh_dec_en1_off, fwh_dec_en1_val | FWH_F8_EN_MASK); - if (!(bios_cntl_val & - (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK))) + if (!(bios_cntl_val & BIOS_CNTL_WRITE_ENABLE_MASK)) pci_write_config_byte(dev, bios_cntl_off, bios_cntl_val | BIOS_CNTL_WRITE_ENABLE_MASK); @@ -315,6 +341,8 @@ static int __init mod_init(void) goto out; } +fwh_done: + err = -ENOMEM; mem = ioremap(INTEL_RNG_ADDR, INTEL_RNG_ADDR_LEN); if (!mem) @@ -350,7 +378,7 @@ static void __exit mod_exit(void) iounmap(mem); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_DESCRIPTION("H/W RNG driver for Intel chipsets"); diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c index c9caff57db8..bab43ca32ac 100644 --- a/drivers/char/hw_random/ixp4xx-rng.c +++ b/drivers/char/hw_random/ixp4xx-rng.c @@ -64,7 +64,7 @@ static void __exit ixp4xx_rng_exit(void) iounmap(rng_base); } -subsys_initcall(ixp4xx_rng_init); +module_init(ixp4xx_rng_init); module_exit(ixp4xx_rng_exit); MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net>"); diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c index 0e786b617bb..9ebf84d1865 100644 --- a/drivers/char/hw_random/via-rng.c +++ b/drivers/char/hw_random/via-rng.c @@ -176,7 +176,7 @@ static void __exit mod_exit(void) hwrng_unregister(&via_rng); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_DESCRIPTION("H/W RNG driver for VIA chipsets"); diff --git a/drivers/char/ip2/i2ellis.h b/drivers/char/ip2/i2ellis.h index 5eabe47b0bc..433305062fb 100644 --- a/drivers/char/ip2/i2ellis.h +++ b/drivers/char/ip2/i2ellis.h @@ -606,9 +606,9 @@ static int iiDownloadAll(i2eBordStrPtr, loadHdrStrPtr, int, int); // code and returning. // #define COMPLETE(pB,code) \ - if(1){ \ + do { \ pB->i2eError = code; \ return (code == I2EE_GOOD);\ - } + } while (0) #endif // I2ELLIS_H diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index cda2459c1d6..7c70310a49b 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -177,7 +177,7 @@ static int ip2_write_room(PTTY); static int ip2_chars_in_buf(PTTY); static void ip2_flush_buffer(PTTY); static int ip2_ioctl(PTTY, struct file *, UINT, ULONG); -static void ip2_set_termios(PTTY, struct termios *); +static void ip2_set_termios(PTTY, struct ktermios *); static void ip2_set_line_discipline(PTTY); static void ip2_throttle(PTTY); static void ip2_unthrottle(PTTY); @@ -198,7 +198,7 @@ static void do_status(struct work_struct *); static void ip2_wait_until_sent(PTTY,int); -static void set_params (i2ChanStrPtr, struct termios *); +static void set_params (i2ChanStrPtr, struct ktermios *); static int get_serial_info(i2ChanStrPtr, struct serial_struct __user *); static int set_serial_info(i2ChanStrPtr, struct serial_struct __user *); @@ -2398,7 +2398,7 @@ set_serial_info( i2ChanStrPtr pCh, struct serial_struct __user *new_info ) /* */ /******************************************************************************/ static void -ip2_set_termios( PTTY tty, struct termios *old_termios ) +ip2_set_termios( PTTY tty, struct ktermios *old_termios ) { i2ChanStrPtr pCh = (i2ChanStrPtr)tty->driver_data; @@ -2440,11 +2440,11 @@ ip2_set_line_discipline ( PTTY tty ) /* change. */ /******************************************************************************/ static void -set_params( i2ChanStrPtr pCh, struct termios *o_tios ) +set_params( i2ChanStrPtr pCh, struct ktermios *o_tios ) { tcflag_t cflag, iflag, lflag; char stop_char, start_char; - struct termios dummy; + struct ktermios dummy; lflag = pCh->pTTY->termios->c_lflag; cflag = pCh->pTTY->termios->c_cflag; @@ -2700,7 +2700,7 @@ static ssize_t ip2_ipl_read(struct file *pFile, char __user *pData, size_t count, loff_t *off ) { - unsigned int minor = iminor(pFile->f_dentry->d_inode); + unsigned int minor = iminor(pFile->f_path.dentry->d_inode); int rc = 0; #ifdef IP2DEBUG_IPL diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c index 6c59baa887a..e736119b649 100644 --- a/drivers/char/ipmi/ipmi_bt_sm.c +++ b/drivers/char/ipmi/ipmi_bt_sm.c @@ -37,8 +37,10 @@ #define BT_DEBUG_ENABLE 1 /* Generic messages */ #define BT_DEBUG_MSG 2 /* Prints all request/response buffers */ #define BT_DEBUG_STATES 4 /* Verbose look at state changes */ +/* BT_DEBUG_OFF must be zero to correspond to the default uninitialized + value */ -static int bt_debug = BT_DEBUG_OFF; +static int bt_debug; /* 0 == BT_DEBUG_OFF */ module_param(bt_debug, int, 0644); MODULE_PARM_DESC(bt_debug, "debug bitmask, 1=enable, 2=messages, 4=states"); diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 375d3378eec..ff2d052177c 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -798,7 +798,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd, if (copy_to_user(precv64, &recv64, sizeof(recv64))) return -EFAULT; - rc = ipmi_ioctl(filep->f_dentry->d_inode, filep, + rc = ipmi_ioctl(filep->f_path.dentry->d_inode, filep, ((cmd == COMPAT_IPMICTL_RECEIVE_MSG) ? IPMICTL_RECEIVE_MSG : IPMICTL_RECEIVE_MSG_TRUNC), @@ -815,7 +815,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd, return rc; } default: - return ipmi_ioctl(filep->f_dentry->d_inode, filep, cmd, arg); + return ipmi_ioctl(filep->f_path.dentry->d_inode, filep, cmd, arg); } } #endif @@ -834,7 +834,7 @@ static const struct file_operations ipmi_fops = { #define DEVICE_NAME "ipmidev" -static int ipmi_major = 0; +static int ipmi_major; module_param(ipmi_major, int, 0); MODULE_PARM_DESC(ipmi_major, "Sets the major number of the IPMI device. By" " default, or if you set it to zero, it will choose the next" diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 5703ee28e1c..53582b53da9 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -53,10 +53,10 @@ static struct ipmi_recv_msg *ipmi_alloc_recv_msg(void); static int ipmi_init_msghandler(void); -static int initialized = 0; +static int initialized; #ifdef CONFIG_PROC_FS -static struct proc_dir_entry *proc_ipmi_root = NULL; +static struct proc_dir_entry *proc_ipmi_root; #endif /* CONFIG_PROC_FS */ /* Remain in auto-maintenance mode for this amount of time (in ms). */ @@ -2142,8 +2142,7 @@ cleanup_bmc_device(struct kref *ref) bmc = container_of(ref, struct bmc_device, refcount); remove_files(bmc); - if (bmc->dev) - platform_device_unregister(bmc->dev); + platform_device_unregister(bmc->dev); kfree(bmc); } @@ -2341,8 +2340,7 @@ static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum, while (ipmi_find_bmc_prod_dev_id(&ipmidriver, bmc->id.product_id, - bmc->id.device_id)) - { + bmc->id.device_id)) { if (!warn_printed) { printk(KERN_WARNING PFX "This machine has two different BMCs" @@ -3651,8 +3649,6 @@ static void ipmi_timeout_handler(long timeout_period) unsigned long flags; int i; - INIT_LIST_HEAD(&timeouts); - rcu_read_lock(); list_for_each_entry_rcu(intf, &ipmi_interfaces, link) { /* See if any waiting messages need to be processed. */ @@ -3673,6 +3669,7 @@ static void ipmi_timeout_handler(long timeout_period) /* Go through the seq table and find any messages that have timed out, putting them in the timeouts list. */ + INIT_LIST_HEAD(&timeouts); spin_lock_irqsave(&intf->seq_lock, flags); for (i = 0; i < IPMI_IPMB_NUM_SEQ; i++) check_msg_timeout(intf, &(intf->seq_table[i]), @@ -4043,7 +4040,7 @@ static void send_panic_events(char *str) } #endif /* CONFIG_IPMI_PANIC_EVENT */ -static int has_panicked = 0; +static int has_panicked; static int panic_event(struct notifier_block *this, unsigned long event, diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index 597eb4f88b8..9d23136e598 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -58,10 +58,10 @@ static int poweroff_powercycle; static int ifnum_to_use = -1; /* Our local state. */ -static int ready = 0; +static int ready; static ipmi_user_t ipmi_user; static int ipmi_ifnum; -static void (*specific_poweroff_func)(ipmi_user_t user) = NULL; +static void (*specific_poweroff_func)(ipmi_user_t user); /* Holds the old poweroff function so we can restore it on removal. */ static void (*old_poweroff_func)(void); @@ -182,7 +182,7 @@ static int ipmi_request_in_rc_mode(ipmi_user_t user, #define IPMI_MOTOROLA_MANUFACTURER_ID 0x0000A1 #define IPMI_MOTOROLA_PPS_IPMC_PRODUCT_ID 0x0051 -static void (*atca_oem_poweroff_hook)(ipmi_user_t user) = NULL; +static void (*atca_oem_poweroff_hook)(ipmi_user_t user); static void pps_poweroff_atca (ipmi_user_t user) { diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 81a0c89598e..a7b33d2f599 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -845,7 +845,7 @@ static void request_events(void *send_info) atomic_set(&smi_info->req_events, 1); } -static int initialized = 0; +static int initialized; static void smi_timeout(unsigned long data) { @@ -1018,17 +1018,17 @@ static int num_ports; static int irqs[SI_MAX_PARMS]; static int num_irqs; static int regspacings[SI_MAX_PARMS]; -static int num_regspacings = 0; +static int num_regspacings; static int regsizes[SI_MAX_PARMS]; -static int num_regsizes = 0; +static int num_regsizes; static int regshifts[SI_MAX_PARMS]; -static int num_regshifts = 0; +static int num_regshifts; static int slave_addrs[SI_MAX_PARMS]; -static int num_slave_addrs = 0; +static int num_slave_addrs; #define IPMI_IO_ADDR_SPACE 0 #define IPMI_MEM_ADDR_SPACE 1 -static char *addr_space_to_str[] = { "I/O", "mem" }; +static char *addr_space_to_str[] = { "i/o", "mem" }; static int hotmod_handler(const char *val, struct kernel_param *kp); @@ -1397,20 +1397,7 @@ static struct hotmod_vals hotmod_as[] = { { "i/o", IPMI_IO_ADDR_SPACE }, { NULL } }; -static int ipmi_strcasecmp(const char *s1, const char *s2) -{ - while (*s1 || *s2) { - if (!*s1) - return -1; - if (!*s2) - return 1; - if (*s1 != *s2) - return *s1 - *s2; - s1++; - s2++; - } - return 0; -} + static int parse_str(struct hotmod_vals *v, int *val, char *name, char **curr) { char *s; @@ -1424,7 +1411,7 @@ static int parse_str(struct hotmod_vals *v, int *val, char *name, char **curr) *s = '\0'; s++; for (i = 0; hotmod_ops[i].name; i++) { - if (ipmi_strcasecmp(*curr, v[i].name) == 0) { + if (strcmp(*curr, v[i].name) == 0) { *val = v[i].val; *curr = s; return 0; @@ -1435,10 +1422,34 @@ static int parse_str(struct hotmod_vals *v, int *val, char *name, char **curr) return -EINVAL; } +static int check_hotmod_int_op(const char *curr, const char *option, + const char *name, int *val) +{ + char *n; + + if (strcmp(curr, name) == 0) { + if (!option) { + printk(KERN_WARNING PFX + "No option given for '%s'\n", + curr); + return -EINVAL; + } + *val = simple_strtoul(option, &n, 0); + if ((*n != '\0') || (*option == '\0')) { + printk(KERN_WARNING PFX + "Bad option given for '%s'\n", + curr); + return -EINVAL; + } + return 1; + } + return 0; +} + static int hotmod_handler(const char *val, struct kernel_param *kp) { char *str = kstrdup(val, GFP_KERNEL); - int rv = -EINVAL; + int rv; char *next, *curr, *s, *n, *o; enum hotmod_op op; enum si_type si_type; @@ -1450,13 +1461,15 @@ static int hotmod_handler(const char *val, struct kernel_param *kp) int irq; int ipmb; int ival; + int len; struct smi_info *info; if (!str) return -ENOMEM; /* Kill any trailing spaces, as we can get a "\n" from echo. */ - ival = strlen(str) - 1; + len = strlen(str); + ival = len - 1; while ((ival >= 0) && isspace(str[ival])) { str[ival] = '\0'; ival--; @@ -1513,35 +1526,37 @@ static int hotmod_handler(const char *val, struct kernel_param *kp) *o = '\0'; o++; } -#define HOTMOD_INT_OPT(name, val) \ - if (ipmi_strcasecmp(curr, name) == 0) { \ - if (!o) { \ - printk(KERN_WARNING PFX \ - "No option given for '%s'\n", \ - curr); \ - goto out; \ - } \ - val = simple_strtoul(o, &n, 0); \ - if ((*n != '\0') || (*o == '\0')) { \ - printk(KERN_WARNING PFX \ - "Bad option given for '%s'\n", \ - curr); \ - goto out; \ - } \ - } - - HOTMOD_INT_OPT("rsp", regspacing) - else HOTMOD_INT_OPT("rsi", regsize) - else HOTMOD_INT_OPT("rsh", regshift) - else HOTMOD_INT_OPT("irq", irq) - else HOTMOD_INT_OPT("ipmb", ipmb) - else { - printk(KERN_WARNING PFX - "Invalid hotmod option '%s'\n", - curr); + rv = check_hotmod_int_op(curr, o, "rsp", ®spacing); + if (rv < 0) goto out; - } -#undef HOTMOD_INT_OPT + else if (rv) + continue; + rv = check_hotmod_int_op(curr, o, "rsi", ®size); + if (rv < 0) + goto out; + else if (rv) + continue; + rv = check_hotmod_int_op(curr, o, "rsh", ®shift); + if (rv < 0) + goto out; + else if (rv) + continue; + rv = check_hotmod_int_op(curr, o, "irq", &irq); + if (rv < 0) + goto out; + else if (rv) + continue; + rv = check_hotmod_int_op(curr, o, "ipmb", &ipmb); + if (rv < 0) + goto out; + else if (rv) + continue; + + rv = -EINVAL; + printk(KERN_WARNING PFX + "Invalid hotmod option '%s'\n", + curr); + goto out; } if (op == HM_ADD) { @@ -1590,6 +1605,7 @@ static int hotmod_handler(const char *val, struct kernel_param *kp) mutex_unlock(&smi_infos_lock); } } + rv = len; out: kfree(str); return rv; @@ -1610,11 +1626,11 @@ static __devinit void hardcode_find_bmc(void) info->addr_source = "hardcoded"; - if (!si_type[i] || ipmi_strcasecmp(si_type[i], "kcs") == 0) { + if (!si_type[i] || strcmp(si_type[i], "kcs") == 0) { info->si_type = SI_KCS; - } else if (ipmi_strcasecmp(si_type[i], "smic") == 0) { + } else if (strcmp(si_type[i], "smic") == 0) { info->si_type = SI_SMIC; - } else if (ipmi_strcasecmp(si_type[i], "bt") == 0) { + } else if (strcmp(si_type[i], "bt") == 0) { info->si_type = SI_BT; } else { printk(KERN_WARNING @@ -1668,7 +1684,7 @@ static __devinit void hardcode_find_bmc(void) /* Once we get an ACPI failure, we don't try any more, because we go through the tables sequentially. Once we don't find a table, there are no more. */ -static int acpi_failure = 0; +static int acpi_failure; /* For GPE-type interrupts. */ static u32 ipmi_acpi_gpe(void *context) @@ -1779,7 +1795,6 @@ struct SPMITable { static __devinit int try_init_acpi(struct SPMITable *spmi) { struct smi_info *info; - char *io_type; u8 addr_space; if (spmi->IPMIlegacy != 1) { @@ -1787,7 +1802,7 @@ static __devinit int try_init_acpi(struct SPMITable *spmi) return -ENODEV; } - if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) + if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) addr_space = IPMI_MEM_ADDR_SPACE; else addr_space = IPMI_IO_ADDR_SPACE; @@ -1833,21 +1848,19 @@ static __devinit int try_init_acpi(struct SPMITable *spmi) info->irq_setup = NULL; } - if (spmi->addr.register_bit_width) { + if (spmi->addr.bit_width) { /* A (hopefully) properly formed register bit width. */ - info->io.regspacing = spmi->addr.register_bit_width / 8; + info->io.regspacing = spmi->addr.bit_width / 8; } else { info->io.regspacing = DEFAULT_REGSPACING; } info->io.regsize = info->io.regspacing; - info->io.regshift = spmi->addr.register_bit_offset; + info->io.regshift = spmi->addr.bit_offset; - if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - io_type = "memory"; + if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { info->io_setup = mem_setup; info->io.addr_type = IPMI_IO_ADDR_SPACE; - } else if (spmi->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_IO) { - io_type = "I/O"; + } else if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_IO) { info->io_setup = port_setup; info->io.addr_type = IPMI_MEM_ADDR_SPACE; } else { @@ -1875,10 +1888,8 @@ static __devinit void acpi_find_bmc(void) return; for (i = 0; ; i++) { - status = acpi_get_firmware_table("SPMI", i+1, - ACPI_LOGICAL_ADDRESSING, - (struct acpi_table_header **) - &spmi); + status = acpi_get_table(ACPI_SIG_SPMI, i+1, + (struct acpi_table_header **)&spmi); if (status != AE_OK) return; @@ -2773,8 +2784,7 @@ static __devinit int init_ipmi_si(void) #endif #ifdef CONFIG_ACPI - if (si_trydefaults) - acpi_find_bmc(); + acpi_find_bmc(); #endif #ifdef CONFIG_PCI diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 90fb2a54191..6b634e8d951 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -134,14 +134,14 @@ static int nowayout = WATCHDOG_NOWAYOUT; -static ipmi_user_t watchdog_user = NULL; +static ipmi_user_t watchdog_user; static int watchdog_ifnum; /* Default the timeout to 10 seconds. */ static int timeout = 10; /* The pre-timeout is disabled by default. */ -static int pretimeout = 0; +static int pretimeout; /* Default action is to reset the board on a timeout. */ static unsigned char action_val = WDOG_TIMEOUT_RESET; @@ -156,10 +156,10 @@ static unsigned char preop_val = WDOG_PREOP_NONE; static char preop[16] = "preop_none"; static DEFINE_SPINLOCK(ipmi_read_lock); -static char data_to_read = 0; +static char data_to_read; static DECLARE_WAIT_QUEUE_HEAD(read_q); -static struct fasync_struct *fasync_q = NULL; -static char pretimeout_since_last_heartbeat = 0; +static struct fasync_struct *fasync_q; +static char pretimeout_since_last_heartbeat; static char expect_close; static int ifnum_to_use = -1; @@ -177,7 +177,7 @@ static void ipmi_unregister_watchdog(int ipmi_intf); /* If true, the driver will start running as soon as it is configured and ready. */ -static int start_now = 0; +static int start_now; static int set_param_int(const char *val, struct kernel_param *kp) { @@ -216,13 +216,13 @@ static int set_param_str(const char *val, struct kernel_param *kp) { action_fn fn = (action_fn) kp->arg; int rv = 0; - char *dup, *s; + char valcp[16]; + char *s; - dup = kstrdup(val, GFP_KERNEL); - if (!dup) - return -ENOMEM; + strncpy(valcp, val, 16); + valcp[15] = '\0'; - s = strstrip(dup); + s = strstrip(valcp); down_read(®ister_sem); rv = fn(s, NULL); @@ -235,7 +235,6 @@ static int set_param_str(const char *val, struct kernel_param *kp) out_unlock: up_read(®ister_sem); - kfree(dup); return rv; } @@ -300,16 +299,16 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started " static unsigned char ipmi_watchdog_state = WDOG_TIMEOUT_NONE; /* If shutting down via IPMI, we ignore the heartbeat. */ -static int ipmi_ignore_heartbeat = 0; +static int ipmi_ignore_heartbeat; /* Is someone using the watchdog? Only one user is allowed. */ -static unsigned long ipmi_wdog_open = 0; +static unsigned long ipmi_wdog_open; /* If set to 1, the heartbeat command will set the state to reset and start the timer. The timer doesn't normally run when the driver is first opened until the heartbeat is set the first time, this variable is used to accomplish this. */ -static int ipmi_start_timer_on_heartbeat = 0; +static int ipmi_start_timer_on_heartbeat; /* IPMI version of the BMC. */ static unsigned char ipmi_version_major; diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 1637c1d9a4b..01084abffdd 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -172,12 +172,14 @@ static struct pci_driver isicom_driver = { static int prev_card = 3; /* start servicing isi_card[0] */ static struct tty_driver *isicom_normal; -static struct timer_list tx; +static DECLARE_COMPLETION(isi_timerdone); static char re_schedule = 1; static void isicom_tx(unsigned long _data); static void isicom_start(struct tty_struct *tty); +static DEFINE_TIMER(tx, isicom_tx, 0, 0); + /* baud index mappings from linux defns to isi */ static signed char linuxb_to_isib[] = { @@ -193,9 +195,9 @@ struct isi_board { unsigned short shift_count; struct isi_port * ports; signed char count; - unsigned char isa; spinlock_t card_lock; /* Card wide lock 11/5/00 -sameer */ unsigned long flags; + unsigned int index; }; struct isi_port { @@ -228,6 +230,20 @@ static struct isi_port isi_ports[PORT_COUNT]; * it wants to talk. */ +static inline int WaitTillCardIsFree(u16 base) +{ + unsigned int count = 0; + unsigned int a = in_atomic(); /* do we run under spinlock? */ + + while (!(inw(base + 0xe) & 0x1) && count++ < 100) + if (a) + mdelay(1); + else + msleep(1); + + return !(inw(base + 0xe) & 0x1); +} + static int lock_card(struct isi_board *card) { char retries; @@ -274,69 +290,71 @@ static void unlock_card(struct isi_board *card) * ISI Card specific ops ... */ +/* card->lock HAS to be held */ static void raise_dtr(struct isi_port *port) { struct isi_board *card = port->card; unsigned long base = card->base; u16 channel = port->channel; - if (!lock_card(card)) + if (WaitTillCardIsFree(base)) return; outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0504, base); InterruptTheCard(base); port->status |= ISI_DTR; - unlock_card(card); } +/* card->lock HAS to be held */ static inline void drop_dtr(struct isi_port *port) { struct isi_board *card = port->card; unsigned long base = card->base; u16 channel = port->channel; - if (!lock_card(card)) + if (WaitTillCardIsFree(base)) return; outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0404, base); InterruptTheCard(base); port->status &= ~ISI_DTR; - unlock_card(card); } +/* card->lock HAS to be held */ static inline void raise_rts(struct isi_port *port) { struct isi_board *card = port->card; unsigned long base = card->base; u16 channel = port->channel; - if (!lock_card(card)) + if (WaitTillCardIsFree(base)) return; outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0a04, base); InterruptTheCard(base); port->status |= ISI_RTS; - unlock_card(card); } + +/* card->lock HAS to be held */ static inline void drop_rts(struct isi_port *port) { struct isi_board *card = port->card; unsigned long base = card->base; u16 channel = port->channel; - if (!lock_card(card)) + if (WaitTillCardIsFree(base)) return; outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0804, base); InterruptTheCard(base); port->status &= ~ISI_RTS; - unlock_card(card); } +/* card->lock MUST NOT be held */ static inline void raise_dtr_rts(struct isi_port *port) { struct isi_board *card = port->card; @@ -353,35 +371,20 @@ static inline void raise_dtr_rts(struct isi_port *port) unlock_card(card); } +/* card->lock HAS to be held */ static void drop_dtr_rts(struct isi_port *port) { struct isi_board *card = port->card; unsigned long base = card->base; u16 channel = port->channel; - if (!lock_card(card)) + if (WaitTillCardIsFree(base)) return; outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0c04, base); InterruptTheCard(base); port->status &= ~(ISI_RTS | ISI_DTR); - unlock_card(card); -} - -static inline void kill_queue(struct isi_port *port, short queue) -{ - struct isi_board *card = port->card; - unsigned long base = card->base; - u16 channel = port->channel; - - if (!lock_card(card)) - return; - - outw(0x8000 | (channel << card->shift_count) | 0x02, base); - outw((queue << 8) | 0x06, base); - InterruptTheCard(base); - unlock_card(card); } /* @@ -514,17 +517,11 @@ static void isicom_tx(unsigned long _data) /* schedule another tx for hopefully in about 10ms */ sched_again: if (!re_schedule) { - re_schedule = 2; + complete(&isi_timerdone); return; } - init_timer(&tx); - tx.expires = jiffies + HZ/100; - tx.data = 0; - tx.function = isicom_tx; - add_timer(&tx); - - return; + mod_timer(&tx, jiffies + msecs_to_jiffies(10)); } /* Interrupt handlers */ @@ -562,14 +559,12 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) base = card->base; spin_lock(&card->card_lock); - if (card->isa == NO) { - /* - * disable any interrupts from the PCI card and lower the - * interrupt line - */ - outw(0x8000, base+0x04); - ClearInterrupt(base); - } + /* + * disable any interrupts from the PCI card and lower the + * interrupt line + */ + outw(0x8000, base+0x04); + ClearInterrupt(base); inw(base); /* get the dummy word out */ header = inw(base); @@ -579,19 +574,13 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) if (channel + 1 > card->port_count) { printk(KERN_WARNING "ISICOM: isicom_interrupt(0x%lx): " "%d(channel) > port_count.\n", base, channel+1); - if (card->isa) - ClearInterrupt(base); - else - outw(0x0000, base+0x04); /* enable interrupts */ + outw(0x0000, base+0x04); /* enable interrupts */ spin_unlock(&card->card_lock); return IRQ_HANDLED; } port = card->ports + channel; if (!(port->flags & ASYNC_INITIALIZED)) { - if (card->isa) - ClearInterrupt(base); - else - outw(0x0000, base+0x04); /* enable interrupts */ + outw(0x0000, base+0x04); /* enable interrupts */ return IRQ_HANDLED; } @@ -604,10 +593,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) } if (byte_count & 0x01) inw(base); - if (card->isa == YES) - ClearInterrupt(base); - else - outw(0x0000, base+0x04); /* enable interrupts */ + outw(0x0000, base+0x04); /* enable interrupts */ spin_unlock(&card->card_lock); return IRQ_HANDLED; } @@ -708,10 +694,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) } tty_flip_buffer_push(tty); } - if (card->isa == YES) - ClearInterrupt(base); - else - outw(0x0000, base+0x04); /* enable interrupts */ + outw(0x0000, base+0x04); /* enable interrupts */ return IRQ_HANDLED; } @@ -762,7 +745,7 @@ static void isicom_config_port(struct isi_port *port) else raise_dtr(port); - if (lock_card(card)) { + if (WaitTillCardIsFree(base) == 0) { outw(0x8000 | (channel << shift_count) |0x03, base); outw(linuxb_to_isib[baud] << 8 | 0x03, base); channel_setup = 0; @@ -790,7 +773,6 @@ static void isicom_config_port(struct isi_port *port) } outw(channel_setup, base); InterruptTheCard(base); - unlock_card(card); } if (C_CLOCAL(tty)) port->flags &= ~ASYNC_CHECK_CD; @@ -809,12 +791,11 @@ static void isicom_config_port(struct isi_port *port) if (I_IXOFF(tty)) flow_ctrl |= ISICOM_INITIATE_XONXOFF; - if (lock_card(card)) { + if (WaitTillCardIsFree(base) == 0) { outw(0x8000 | (channel << shift_count) |0x04, base); outw(flow_ctrl << 8 | 0x05, base); outw((STOP_CHAR(tty)) << 8 | (START_CHAR(tty)), base); InterruptTheCard(base); - unlock_card(card); } /* rx enabled -> enable port for rx on the card */ @@ -839,10 +820,9 @@ static inline void isicom_setup_board(struct isi_board *bp) } port = bp->ports; bp->status |= BOARD_ACTIVE; - spin_unlock_irqrestore(&bp->card_lock, flags); for (channel = 0; channel < bp->port_count; channel++, port++) drop_dtr_rts(port); - return; + spin_unlock_irqrestore(&bp->card_lock, flags); } static int isicom_setup_port(struct isi_port *port) @@ -875,7 +855,12 @@ static int isicom_setup_port(struct isi_port *port) port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; /* discard any residual data */ - kill_queue(port, ISICOM_KILLTX | ISICOM_KILLRX); + if (WaitTillCardIsFree(card->base) == 0) { + outw(0x8000 | (port->channel << card->shift_count) | 0x02, + card->base); + outw(((ISICOM_KILLTX | ISICOM_KILLRX) << 8) | 0x06, card->base); + InterruptTheCard(card->base); + } isicom_config_port(port); port->flags |= ASYNC_INITIALIZED; @@ -964,8 +949,8 @@ static int isicom_open(struct tty_struct *tty, struct file *filp) { struct isi_port *port; struct isi_board *card; - unsigned int line, board; - int error; + unsigned int board; + int error, line; line = tty->index; if (line < 0 || line > PORT_COUNT-1) @@ -1001,28 +986,22 @@ static int isicom_open(struct tty_struct *tty, struct file *filp) static inline void isicom_shutdown_board(struct isi_board *bp) { - unsigned long flags; - - spin_lock_irqsave(&bp->card_lock, flags); if (bp->status & BOARD_ACTIVE) { bp->status &= ~BOARD_ACTIVE; } - spin_unlock_irqrestore(&bp->card_lock, flags); } +/* card->lock HAS to be held */ static void isicom_shutdown_port(struct isi_port *port) { struct isi_board *card = port->card; struct tty_struct *tty; - unsigned long flags; tty = port->tty; - spin_lock_irqsave(&card->card_lock, flags); - if (!(port->flags & ASYNC_INITIALIZED)) { - spin_unlock_irqrestore(&card->card_lock, flags); + if (!(port->flags & ASYNC_INITIALIZED)) return; - } + if (port->xmit_buf) { free_page((unsigned long) port->xmit_buf); port->xmit_buf = NULL; @@ -1030,7 +1009,6 @@ static void isicom_shutdown_port(struct isi_port *port) port->flags &= ~ASYNC_INITIALIZED; /* 3rd October 2000 : Vinayak P Risbud */ port->tty = NULL; - spin_unlock_irqrestore(&card->card_lock, flags); /*Fix done by Anil .S on 30-04-2001 remote login through isi port has dtr toggle problem @@ -1276,10 +1254,12 @@ static int isicom_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { struct isi_port *port = tty->driver_data; + unsigned long flags; if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) return -ENODEV; + spin_lock_irqsave(&port->card->card_lock, flags); if (set & TIOCM_RTS) raise_rts(port); if (set & TIOCM_DTR) @@ -1289,6 +1269,7 @@ static int isicom_tiocmset(struct tty_struct *tty, struct file *file, drop_rts(port); if (clear & TIOCM_DTR) drop_dtr(port); + spin_unlock_irqrestore(&port->card->card_lock, flags); return 0; } @@ -1321,7 +1302,10 @@ static int isicom_set_serial_info(struct isi_port *port, (newinfo.flags & ASYNC_FLAGS)); } if (reconfig_port) { + unsigned long flags; + spin_lock_irqsave(&port->card->card_lock, flags); isicom_config_port(port); + spin_unlock_irqrestore(&port->card->card_lock, flags); } return 0; } @@ -1399,9 +1383,10 @@ static int isicom_ioctl(struct tty_struct *tty, struct file *filp, /* set_termios et all */ static void isicom_set_termios(struct tty_struct *tty, - struct termios *old_termios) + struct ktermios *old_termios) { struct isi_port *port = tty->driver_data; + unsigned long flags; if (isicom_paranoia_check(port, tty->name, "isicom_set_termios")) return; @@ -1410,7 +1395,9 @@ static void isicom_set_termios(struct tty_struct *tty, tty->termios->c_iflag == old_termios->c_iflag) return; + spin_lock_irqsave(&port->card->card_lock, flags); isicom_config_port(port); + spin_unlock_irqrestore(&port->card->card_lock, flags); if ((old_termios->c_cflag & CRTSCTS) && !(tty->termios->c_cflag & CRTSCTS)) { @@ -1487,11 +1474,15 @@ static void do_isicom_hangup(struct work_struct *work) static void isicom_hangup(struct tty_struct *tty) { struct isi_port *port = tty->driver_data; + unsigned long flags; if (isicom_paranoia_check(port, tty->name, "isicom_hangup")) return; + spin_lock_irqsave(&port->card->card_lock, flags); isicom_shutdown_port(port); + spin_unlock_irqrestore(&port->card->card_lock, flags); + port->count = 0; port->flags &= ~ASYNC_NORMAL_ACTIVE; port->tty = NULL; @@ -1520,37 +1511,6 @@ static void isicom_flush_buffer(struct tty_struct *tty) * Driver init and deinit functions */ -static int __devinit isicom_register_ioregion(struct pci_dev *pdev, - const unsigned int index) -{ - struct isi_board *board = pci_get_drvdata(pdev); - - if (!board->base) - return -EINVAL; - - if (!request_region(board->base, 16, ISICOM_NAME)) { - dev_dbg(&pdev->dev, "I/O Region 0x%lx-0x%lx is busy. Card%d " - "will be disabled.\n", board->base, board->base + 15, - index + 1); - return -EBUSY; - } - - return 0; -} - -static void isicom_unregister_ioregion(struct pci_dev *pdev) -{ - struct isi_board *board = pci_get_drvdata(pdev); - - if (!board->base) - return; - - release_region(board->base, 16); - dev_dbg(&pdev->dev, "I/O Region 0x%lx-0x%lx released.\n", - board->base, board->base + 15); - board->base = 0; -} - static const struct tty_operations isicom_ops = { .open = isicom_open, .close = isicom_close, @@ -1571,70 +1531,6 @@ static const struct tty_operations isicom_ops = { .tiocmset = isicom_tiocmset, }; -static int __devinit isicom_register_tty_driver(void) -{ - int error = -ENOMEM; - - /* tty driver structure initialization */ - isicom_normal = alloc_tty_driver(PORT_COUNT); - if (!isicom_normal) - goto end; - - isicom_normal->owner = THIS_MODULE; - isicom_normal->name = "ttyM"; - isicom_normal->major = ISICOM_NMAJOR; - isicom_normal->minor_start = 0; - isicom_normal->type = TTY_DRIVER_TYPE_SERIAL; - isicom_normal->subtype = SERIAL_TYPE_NORMAL; - isicom_normal->init_termios = tty_std_termios; - isicom_normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | - CLOCAL; - isicom_normal->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(isicom_normal, &isicom_ops); - - if ((error = tty_register_driver(isicom_normal))) { - pr_dbg("Couldn't register the dialin driver, error=%d\n", - error); - put_tty_driver(isicom_normal); - } -end: - return error; -} - -static void isicom_unregister_tty_driver(void) -{ - int error; - - if ((error = tty_unregister_driver(isicom_normal))) - pr_dbg("couldn't unregister normal driver, error=%d.\n", error); - - put_tty_driver(isicom_normal); -} - -static int __devinit isicom_register_isr(struct pci_dev *pdev, - const unsigned int index) -{ - struct isi_board *board = pci_get_drvdata(pdev); - unsigned long irqflags = IRQF_DISABLED; - int retval = -EINVAL; - - if (!board->base) - goto end; - - if (board->isa == NO) - irqflags |= IRQF_SHARED; - - retval = request_irq(board->irq, isicom_interrupt, irqflags, - ISICOM_NAME, board); - if (retval < 0) - dev_warn(&pdev->dev, "Could not install handler at Irq %d. " - "Card%d will be disabled.\n", board->irq, index + 1); - else - retval = 0; -end: - return retval; -} - static int __devinit reset_card(struct pci_dev *pdev, const unsigned int card, unsigned int *signature) { @@ -1656,36 +1552,23 @@ static int __devinit reset_card(struct pci_dev *pdev, *signature = inw(base + 0x4) & 0xff; - if (board->isa == YES) { - if (!(inw(base + 0xe) & 0x1) || (inw(base + 0x2))) { - dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n", - inw(base + 0x2), inw(base + 0xe)); - dev_err(&pdev->dev, "ISILoad:ISA Card%d reset failure " - "(Possible bad I/O Port Address 0x%lx).\n", - card + 1, base); - retval = -EIO; - goto end; - } - } else { - portcount = inw(base + 0x2); - if (!(inw(base + 0xe) & 0x1) || ((portcount != 0) && - (portcount != 4) && (portcount != 8))) { - dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n", - inw(base + 0x2), inw(base + 0xe)); - dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure " - "(Possible bad I/O Port Address 0x%lx).\n", - card + 1, base); - retval = -EIO; - goto end; - } + portcount = inw(base + 0x2); + if (!(inw(base + 0xe) & 0x1) || ((portcount != 0) && + (portcount != 4) && (portcount != 8))) { + dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n", + inw(base + 0x2), inw(base + 0xe)); + dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure " + "(Possible bad I/O Port Address 0x%lx).\n", + card + 1, base); + retval = -EIO; + goto end; } switch (*signature) { case 0xa5: case 0xbb: case 0xdd: - board->port_count = (board->isa == NO && portcount == 4) ? 4 : - 8; + board->port_count = (portcount == 4) ? 4 : 8; board->shift_count = 12; break; case 0xcc: @@ -1704,16 +1587,6 @@ end: return retval; } -static inline int WaitTillCardIsFree(u16 base) -{ - unsigned long count = 0; - - while (!(inw(base + 0xe) & 0x1) && count++ < 100) - msleep(5); - - return !(inw(base + 0xe) & 0x1); -} - static int __devinit load_firmware(struct pci_dev *pdev, const unsigned int index, const unsigned int signature) { @@ -1831,6 +1704,11 @@ static int __devinit load_firmware(struct pci_dev *pdev, } data = kmalloc(word_count * 2, GFP_KERNEL); + if (data == NULL) { + dev_err(&pdev->dev, "Card%d, firmware upload " + "failed, not enough memory\n", index + 1); + goto errrelfw; + } inw(base); insw(base, data, word_count); InterruptTheCard(base); @@ -1879,8 +1757,6 @@ end: /* * Insmod can set static symbols so keep these static */ -static int io[4]; -static int irq[4]; static int card; static int __devinit isicom_probe(struct pci_dev *pdev, @@ -1906,20 +1782,29 @@ static int __devinit isicom_probe(struct pci_dev *pdev, break; } + board->index = index; board->base = ioaddr; board->irq = pciirq; - board->isa = NO; card++; pci_set_drvdata(pdev, board); - retval = isicom_register_ioregion(pdev, index); - if (retval < 0) + retval = pci_request_region(pdev, 3, ISICOM_NAME); + if (retval) { + dev_err(&pdev->dev, "I/O Region 0x%lx-0x%lx is busy. Card%d " + "will be disabled.\n", board->base, board->base + 15, + index + 1); + retval = -EBUSY; goto err; + } - retval = isicom_register_isr(pdev, index); - if (retval < 0) + retval = request_irq(board->irq, isicom_interrupt, + IRQF_SHARED | IRQF_DISABLED, ISICOM_NAME, board); + if (retval < 0) { + dev_err(&pdev->dev, "Could not install handler at Irq %d. " + "Card%d will be disabled.\n", board->irq, index + 1); goto errunrr; + } retval = reset_card(pdev, index, &signature); if (retval < 0) @@ -1929,12 +1814,16 @@ static int __devinit isicom_probe(struct pci_dev *pdev, if (retval < 0) goto errunri; + for (index = 0; index < board->port_count; index++) + tty_register_device(isicom_normal, board->index * 16 + index, + &pdev->dev); + return 0; errunri: free_irq(board->irq, board); errunrr: - isicom_unregister_ioregion(pdev); + pci_release_region(pdev, 3); err: board->base = 0; return retval; @@ -1943,18 +1832,21 @@ err: static void __devexit isicom_remove(struct pci_dev *pdev) { struct isi_board *board = pci_get_drvdata(pdev); + unsigned int i; + + for (i = 0; i < board->port_count; i++) + tty_unregister_device(isicom_normal, board->index * 16 + i); free_irq(board->irq, board); - isicom_unregister_ioregion(pdev); + pci_release_region(pdev, 3); } -static int __devinit isicom_setup(void) +static int __init isicom_init(void) { int retval, idx, channel; struct isi_port *port; card = 0; - memset(isi_ports, 0, sizeof(isi_ports)); for(idx = 0; idx < BOARD_COUNT; idx++) { port = &isi_ports[idx * 16]; @@ -1975,66 +1867,65 @@ static int __devinit isicom_setup(void) } isi_card[idx].base = 0; isi_card[idx].irq = 0; - - if (!io[idx]) - continue; - - if (irq[idx] == 2 || irq[idx] == 3 || irq[idx] == 4 || - irq[idx] == 5 || irq[idx] == 7 || - irq[idx] == 10 || irq[idx] == 11 || - irq[idx] == 12 || irq[idx] == 15) { - printk(KERN_ERR "ISICOM: ISA not supported yet.\n"); - retval = -EINVAL; - goto error; - } else - printk(KERN_ERR "ISICOM: Irq %d unsupported. " - "Disabling Card%d...\n", irq[idx], idx + 1); } - retval = isicom_register_tty_driver(); - if (retval < 0) + /* tty driver structure initialization */ + isicom_normal = alloc_tty_driver(PORT_COUNT); + if (!isicom_normal) { + retval = -ENOMEM; goto error; + } + + isicom_normal->owner = THIS_MODULE; + isicom_normal->name = "ttyM"; + isicom_normal->major = ISICOM_NMAJOR; + isicom_normal->minor_start = 0; + isicom_normal->type = TTY_DRIVER_TYPE_SERIAL; + isicom_normal->subtype = SERIAL_TYPE_NORMAL; + isicom_normal->init_termios = tty_std_termios; + isicom_normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | + CLOCAL; + isicom_normal->flags = TTY_DRIVER_REAL_RAW | + TTY_DRIVER_DYNAMIC_DEV; + tty_set_operations(isicom_normal, &isicom_ops); + + retval = tty_register_driver(isicom_normal); + if (retval) { + pr_dbg("Couldn't register the dialin driver\n"); + goto err_puttty; + } retval = pci_register_driver(&isicom_driver); if (retval < 0) { printk(KERN_ERR "ISICOM: Unable to register pci driver.\n"); - goto errtty; + goto err_unrtty; } - init_timer(&tx); - tx.expires = jiffies + 1; - tx.data = 0; - tx.function = isicom_tx; - re_schedule = 1; - add_timer(&tx); + mod_timer(&tx, jiffies + 1); return 0; -errtty: - isicom_unregister_tty_driver(); +err_unrtty: + tty_unregister_driver(isicom_normal); +err_puttty: + put_tty_driver(isicom_normal); error: return retval; } static void __exit isicom_exit(void) { - unsigned int index = 0; - re_schedule = 0; - while (re_schedule != 2 && index++ < 100) - msleep(10); + wait_for_completion_timeout(&isi_timerdone, HZ); pci_unregister_driver(&isicom_driver); - isicom_unregister_tty_driver(); + tty_unregister_driver(isicom_normal); + put_tty_driver(isicom_normal); } -module_init(isicom_setup); +module_init(isicom_init); module_exit(isicom_exit); MODULE_AUTHOR("MultiTech"); MODULE_DESCRIPTION("Driver for the ISI series of cards by MultiTech"); MODULE_LICENSE("GPL"); -module_param_array(io, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O ports for the cards"); -module_param_array(irq, int, NULL, 0); -MODULE_PARM_DESC(irq, "Interrupts for the cards"); diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 8f591945ebd..68645d35187 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -14,14 +14,6 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /*****************************************************************************/ @@ -41,6 +33,7 @@ #include <linux/device.h> #include <linux/wait.h> #include <linux/eisa.h> +#include <linux/ctype.h> #include <asm/io.h> #include <asm/uaccess.h> @@ -61,21 +54,10 @@ #define BRD_BRUMBY4 2 #define BRD_ONBOARD2 3 #define BRD_ONBOARD 4 -#define BRD_BRUMBY8 5 -#define BRD_BRUMBY16 6 #define BRD_ONBOARDE 7 -#define BRD_ONBOARD32 9 -#define BRD_ONBOARD2_32 10 -#define BRD_ONBOARDRS 11 -#define BRD_EASYIO 20 -#define BRD_ECH 21 -#define BRD_ECHMC 22 #define BRD_ECP 23 #define BRD_ECPE 24 #define BRD_ECPMC 25 -#define BRD_ECHPCI 26 -#define BRD_ECH64PCI 27 -#define BRD_EASYIOPCI 28 #define BRD_ECPPCI 29 #define BRD_BRUMBY BRD_BRUMBY4 @@ -119,20 +101,16 @@ * interrupt is required. */ -typedef struct { +struct stlconf { int brdtype; int ioaddr1; int ioaddr2; unsigned long memaddr; int irq; int irqtype; -} stlconf_t; - -static stlconf_t stli_brdconf[] = { - /*{ BRD_ECP, 0x2a0, 0, 0xcc000, 0, 0 },*/ }; -static int stli_nrbrds = ARRAY_SIZE(stli_brdconf); +static unsigned int stli_nrbrds; /* stli_lock must NOT be taken holding brd_lock */ static spinlock_t stli_lock; /* TTY logic lock */ @@ -194,9 +172,11 @@ static struct tty_struct *stli_txcooktty; * with this termios initially. Basically all it defines is a raw port * at 9600 baud, 8 data bits, no parity, 1 stop bit. */ -static struct termios stli_deftermios = { +static struct ktermios stli_deftermios = { .c_cflag = (B9600 | CS8 | CREAD | HUPCL | CLOCAL), .c_cc = INIT_C_CC, + .c_ispeed = 9600, + .c_ospeed = 9600, }; /* @@ -205,13 +185,12 @@ static struct termios stli_deftermios = { */ static comstats_t stli_comstats; static combrd_t stli_brdstats; -static asystats_t stli_cdkstats; -static stlibrd_t stli_dummybrd; -static stliport_t stli_dummyport; +static struct asystats stli_cdkstats; /*****************************************************************************/ -static stlibrd_t *stli_brds[STL_MAXBRDS]; +static DEFINE_MUTEX(stli_brdslock); +static struct stlibrd *stli_brds[STL_MAXBRDS]; static int stli_shared; @@ -223,6 +202,7 @@ static int stli_shared; */ #define BST_FOUND 0x1 #define BST_STARTED 0x2 +#define BST_PROBED 0x4 /* * Define the set of port state flags. These are marked for internal @@ -255,18 +235,18 @@ static char *stli_brdnames[] = { "Brumby", "Brumby", "ONboard-EI", - (char *) NULL, + NULL, "ONboard", "ONboard-MC", "ONboard-MC", - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, "EasyIO", "EC8/32-AT", "EC8/32-MC", @@ -304,12 +284,10 @@ static char **stli_brdsp[] = { * parse any module arguments. */ -typedef struct stlibrdtype { +static struct stlibrdtype { char *name; int type; -} stlibrdtype_t; - -static stlibrdtype_t stli_brdstr[] = { +} stli_brdstr[] = { { "stallion", BRD_STALLION }, { "1", BRD_STALLION }, { "brumby", BRD_BRUMBY }, @@ -379,6 +357,7 @@ MODULE_PARM_DESC(board2, "Board 2 config -> name[,ioaddr[,memaddr]"); module_param_array(board3, charp, NULL, 0); MODULE_PARM_DESC(board3, "Board 3 config -> name[,ioaddr[,memaddr]"); +#if STLI_EISAPROBE != 0 /* * Set up a default memory address table for EISA board probing. * The default addresses are all bellow 1Mbyte, which has to be the @@ -396,14 +375,11 @@ static unsigned long stli_eisamemprobeaddrs[] = { }; static int stli_eisamempsize = ARRAY_SIZE(stli_eisamemprobeaddrs); +#endif /* * Define the Stallion PCI vendor and device IDs. */ -#ifdef CONFIG_PCI -#ifndef PCI_VENDOR_ID_STALLION -#define PCI_VENDOR_ID_STALLION 0x124d -#endif #ifndef PCI_DEVICE_ID_ECRA #define PCI_DEVICE_ID_ECRA 0x0004 #endif @@ -414,7 +390,7 @@ static struct pci_device_id istallion_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, istallion_pci_tbl); -#endif /* CONFIG_PCI */ +static struct pci_driver stli_pcidriver; /*****************************************************************************/ @@ -615,22 +591,10 @@ MODULE_DEVICE_TABLE(pci, istallion_pci_tbl); /*****************************************************************************/ /* - * Define some handy local macros... - */ -#undef MIN -#define MIN(a,b) (((a) <= (b)) ? (a) : (b)) - -#undef TOLOWER -#define TOLOWER(x) ((((x) >= 'A') && ((x) <= 'Z')) ? ((x) + 0x20) : (x)) - -/*****************************************************************************/ - -/* * Prototype all functions in this driver! */ -static int stli_parsebrd(stlconf_t *confp, char **argp); -static int stli_init(void); +static int stli_parsebrd(struct stlconf *confp, char **argp); static int stli_open(struct tty_struct *tty, struct file *filp); static void stli_close(struct tty_struct *tty, struct file *filp); static int stli_write(struct tty_struct *tty, const unsigned char *buf, int count); @@ -639,7 +603,7 @@ static void stli_flushchars(struct tty_struct *tty); static int stli_writeroom(struct tty_struct *tty); static int stli_charsinbuffer(struct tty_struct *tty); static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); -static void stli_settermios(struct tty_struct *tty, struct termios *old); +static void stli_settermios(struct tty_struct *tty, struct ktermios *old); static void stli_throttle(struct tty_struct *tty); static void stli_unthrottle(struct tty_struct *tty); static void stli_stop(struct tty_struct *tty); @@ -649,86 +613,84 @@ static void stli_breakctl(struct tty_struct *tty, int state); static void stli_waituntilsent(struct tty_struct *tty, int timeout); static void stli_sendxchar(struct tty_struct *tty, char ch); static void stli_hangup(struct tty_struct *tty); -static int stli_portinfo(stlibrd_t *brdp, stliport_t *portp, int portnr, char *pos); +static int stli_portinfo(struct stlibrd *brdp, struct stliport *portp, int portnr, char *pos); -static int stli_brdinit(stlibrd_t *brdp); -static int stli_startbrd(stlibrd_t *brdp); +static int stli_brdinit(struct stlibrd *brdp); +static int stli_startbrd(struct stlibrd *brdp); static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, loff_t *offp); static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t count, loff_t *offp); static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg); -static void stli_brdpoll(stlibrd_t *brdp, cdkhdr_t __iomem *hdrp); +static void stli_brdpoll(struct stlibrd *brdp, cdkhdr_t __iomem *hdrp); static void stli_poll(unsigned long arg); -static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp); -static int stli_initopen(stlibrd_t *brdp, stliport_t *portp); -static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait); -static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait); -static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *filp); +static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp); +static int stli_initopen(struct stlibrd *brdp, struct stliport *portp); +static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait); +static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait); +static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct file *filp); static void stli_dohangup(struct work_struct *); -static int stli_setport(stliport_t *portp); -static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback); -static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback); -static void __stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback); -static void stli_dodelaycmd(stliport_t *portp, cdkctrl_t __iomem *cp); -static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp); +static int stli_setport(struct stliport *portp); +static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback); +static void stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback); +static void __stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback); +static void stli_dodelaycmd(struct stliport *portp, cdkctrl_t __iomem *cp); +static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermios *tiosp); static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts); static long stli_mktiocm(unsigned long sigvalue); -static void stli_read(stlibrd_t *brdp, stliport_t *portp); -static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp); -static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp); +static void stli_read(struct stlibrd *brdp, struct stliport *portp); +static int stli_getserial(struct stliport *portp, struct serial_struct __user *sp); +static int stli_setserial(struct stliport *portp, struct serial_struct __user *sp); static int stli_getbrdstats(combrd_t __user *bp); -static int stli_getportstats(stliport_t *portp, comstats_t __user *cp); -static int stli_portcmdstats(stliport_t *portp); -static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp); -static int stli_getportstruct(stliport_t __user *arg); -static int stli_getbrdstruct(stlibrd_t __user *arg); -static stlibrd_t *stli_allocbrd(void); - -static void stli_ecpinit(stlibrd_t *brdp); -static void stli_ecpenable(stlibrd_t *brdp); -static void stli_ecpdisable(stlibrd_t *brdp); -static void __iomem *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_ecpreset(stlibrd_t *brdp); -static void stli_ecpintr(stlibrd_t *brdp); -static void stli_ecpeiinit(stlibrd_t *brdp); -static void stli_ecpeienable(stlibrd_t *brdp); -static void stli_ecpeidisable(stlibrd_t *brdp); -static void __iomem *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_ecpeireset(stlibrd_t *brdp); -static void stli_ecpmcenable(stlibrd_t *brdp); -static void stli_ecpmcdisable(stlibrd_t *brdp); -static void __iomem *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_ecpmcreset(stlibrd_t *brdp); -static void stli_ecppciinit(stlibrd_t *brdp); -static void __iomem *stli_ecppcigetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_ecppcireset(stlibrd_t *brdp); - -static void stli_onbinit(stlibrd_t *brdp); -static void stli_onbenable(stlibrd_t *brdp); -static void stli_onbdisable(stlibrd_t *brdp); -static void __iomem *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_onbreset(stlibrd_t *brdp); -static void stli_onbeinit(stlibrd_t *brdp); -static void stli_onbeenable(stlibrd_t *brdp); -static void stli_onbedisable(stlibrd_t *brdp); -static void __iomem *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_onbereset(stlibrd_t *brdp); -static void stli_bbyinit(stlibrd_t *brdp); -static void __iomem *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_bbyreset(stlibrd_t *brdp); -static void stli_stalinit(stlibrd_t *brdp); -static void __iomem *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line); -static void stli_stalreset(stlibrd_t *brdp); - -static stliport_t *stli_getport(int brdnr, int panelnr, int portnr); - -static int stli_initecp(stlibrd_t *brdp); -static int stli_initonb(stlibrd_t *brdp); -static int stli_eisamemprobe(stlibrd_t *brdp); -static int stli_initports(stlibrd_t *brdp); - -#ifdef CONFIG_PCI -static int stli_initpcibrd(int brdtype, struct pci_dev *devp); +static int stli_getportstats(struct stliport *portp, comstats_t __user *cp); +static int stli_portcmdstats(struct stliport *portp); +static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp); +static int stli_getportstruct(struct stliport __user *arg); +static int stli_getbrdstruct(struct stlibrd __user *arg); +static struct stlibrd *stli_allocbrd(void); + +static void stli_ecpinit(struct stlibrd *brdp); +static void stli_ecpenable(struct stlibrd *brdp); +static void stli_ecpdisable(struct stlibrd *brdp); +static void __iomem *stli_ecpgetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_ecpreset(struct stlibrd *brdp); +static void stli_ecpintr(struct stlibrd *brdp); +static void stli_ecpeiinit(struct stlibrd *brdp); +static void stli_ecpeienable(struct stlibrd *brdp); +static void stli_ecpeidisable(struct stlibrd *brdp); +static void __iomem *stli_ecpeigetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_ecpeireset(struct stlibrd *brdp); +static void stli_ecpmcenable(struct stlibrd *brdp); +static void stli_ecpmcdisable(struct stlibrd *brdp); +static void __iomem *stli_ecpmcgetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_ecpmcreset(struct stlibrd *brdp); +static void stli_ecppciinit(struct stlibrd *brdp); +static void __iomem *stli_ecppcigetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_ecppcireset(struct stlibrd *brdp); + +static void stli_onbinit(struct stlibrd *brdp); +static void stli_onbenable(struct stlibrd *brdp); +static void stli_onbdisable(struct stlibrd *brdp); +static void __iomem *stli_onbgetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_onbreset(struct stlibrd *brdp); +static void stli_onbeinit(struct stlibrd *brdp); +static void stli_onbeenable(struct stlibrd *brdp); +static void stli_onbedisable(struct stlibrd *brdp); +static void __iomem *stli_onbegetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_onbereset(struct stlibrd *brdp); +static void stli_bbyinit(struct stlibrd *brdp); +static void __iomem *stli_bbygetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_bbyreset(struct stlibrd *brdp); +static void stli_stalinit(struct stlibrd *brdp); +static void __iomem *stli_stalgetmemptr(struct stlibrd *brdp, unsigned long offset, int line); +static void stli_stalreset(struct stlibrd *brdp); + +static struct stliport *stli_getport(unsigned int brdnr, unsigned int panelnr, unsigned int portnr); + +static int stli_initecp(struct stlibrd *brdp); +static int stli_initonb(struct stlibrd *brdp); +#if STLI_EISAPROBE != 0 +static int stli_eisamemprobe(struct stlibrd *brdp); #endif +static int stli_initports(struct stlibrd *brdp); /*****************************************************************************/ @@ -766,136 +728,19 @@ static int stli_timeron; static struct class *istallion_class; -/* - * Loadable module initialization stuff. - */ - -static int __init istallion_module_init(void) -{ - stli_init(); - return 0; -} - -/*****************************************************************************/ - -static void __exit istallion_module_exit(void) -{ - stlibrd_t *brdp; - stliport_t *portp; - int i, j; - - printk(KERN_INFO "Unloading %s: version %s\n", stli_drvtitle, - stli_drvversion); - - /* - * Free up all allocated resources used by the ports. This includes - * memory and interrupts. - */ - if (stli_timeron) { - stli_timeron = 0; - del_timer_sync(&stli_timerlist); - } - - i = tty_unregister_driver(stli_serial); - if (i) { - printk("STALLION: failed to un-register tty driver, " - "errno=%d\n", -i); - return; - } - put_tty_driver(stli_serial); - for (i = 0; i < 4; i++) - class_device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, i)); - class_destroy(istallion_class); - if ((i = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"))) - printk("STALLION: failed to un-register serial memory device, " - "errno=%d\n", -i); - - kfree(stli_txcookbuf); - - for (i = 0; (i < stli_nrbrds); i++) { - if ((brdp = stli_brds[i]) == NULL) - continue; - for (j = 0; (j < STL_MAXPORTS); j++) { - portp = brdp->ports[j]; - if (portp != NULL) { - if (portp->tty != NULL) - tty_hangup(portp->tty); - kfree(portp); - } - } - - iounmap(brdp->membase); - if (brdp->iosize > 0) - release_region(brdp->iobase, brdp->iosize); - kfree(brdp); - stli_brds[i] = NULL; - } -} - -module_init(istallion_module_init); -module_exit(istallion_module_exit); - -/*****************************************************************************/ - -/* - * Check for any arguments passed in on the module load command line. - */ - -static void stli_argbrds(void) +static void stli_cleanup_ports(struct stlibrd *brdp) { - stlconf_t conf; - stlibrd_t *brdp; - int i; - - for (i = stli_nrbrds; i < ARRAY_SIZE(stli_brdsp); i++) { - memset(&conf, 0, sizeof(conf)); - if (stli_parsebrd(&conf, stli_brdsp[i]) == 0) - continue; - if ((brdp = stli_allocbrd()) == NULL) - continue; - stli_nrbrds = i + 1; - brdp->brdnr = i; - brdp->brdtype = conf.brdtype; - brdp->iobase = conf.ioaddr1; - brdp->memaddr = conf.memaddr; - stli_brdinit(brdp); - } -} - -/*****************************************************************************/ - -/* - * Convert an ascii string number into an unsigned long. - */ - -static unsigned long stli_atol(char *str) -{ - unsigned long val; - int base, c; - char *sp; - - val = 0; - sp = str; - if ((*sp == '0') && (*(sp+1) == 'x')) { - base = 16; - sp += 2; - } else if (*sp == '0') { - base = 8; - sp++; - } else { - base = 10; - } - - for (; (*sp != 0); sp++) { - c = (*sp > '9') ? (TOLOWER(*sp) - 'a' + 10) : (*sp - '0'); - if ((c < 0) || (c >= base)) { - printk("STALLION: invalid argument %s\n", str); - val = 0; - break; + struct stliport *portp; + unsigned int j; + + for (j = 0; j < STL_MAXPORTS; j++) { + portp = brdp->ports[j]; + if (portp != NULL) { + if (portp->tty != NULL) + tty_hangup(portp->tty); + kfree(portp); } - val = (val * base) + c; } - return(val); } /*****************************************************************************/ @@ -904,16 +749,16 @@ static unsigned long stli_atol(char *str) * Parse the supplied argument string, into the board conf struct. */ -static int stli_parsebrd(stlconf_t *confp, char **argp) +static int stli_parsebrd(struct stlconf *confp, char **argp) { + unsigned int i; char *sp; - int i; if (argp[0] == NULL || *argp[0] == 0) return 0; for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++) - *sp = TOLOWER(*sp); + *sp = tolower(*sp); for (i = 0; i < ARRAY_SIZE(stli_brdstr); i++) { if (strcmp(stli_brdstr[i].name, argp[0]) == 0) @@ -926,9 +771,9 @@ static int stli_parsebrd(stlconf_t *confp, char **argp) confp->brdtype = stli_brdstr[i].type; if (argp[1] != NULL && *argp[1] != 0) - confp->ioaddr1 = stli_atol(argp[1]); + confp->ioaddr1 = simple_strtoul(argp[1], NULL, 0); if (argp[2] != NULL && *argp[2] != 0) - confp->memaddr = stli_atol(argp[2]); + confp->memaddr = simple_strtoul(argp[2], NULL, 0); return(1); } @@ -936,10 +781,10 @@ static int stli_parsebrd(stlconf_t *confp, char **argp) static int stli_open(struct tty_struct *tty, struct file *filp) { - stlibrd_t *brdp; - stliport_t *portp; - unsigned int minordev; - int brdnr, portnr, rc; + struct stlibrd *brdp; + struct stliport *portp; + unsigned int minordev, brdnr, portnr; + int rc; minordev = tty->index; brdnr = MINOR2BRD(minordev); @@ -951,7 +796,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) if ((brdp->state & BST_STARTED) == 0) return -ENODEV; portnr = MINOR2PORT(minordev); - if ((portnr < 0) || (portnr > brdp->nrports)) + if (portnr > brdp->nrports) return -ENODEV; portp = brdp->ports[portnr]; @@ -1031,8 +876,8 @@ static int stli_open(struct tty_struct *tty, struct file *filp) static void stli_close(struct tty_struct *tty, struct file *filp) { - stlibrd_t *brdp; - stliport_t *portp; + struct stlibrd *brdp; + struct stliport *portp; unsigned long flags; portp = tty->driver_data; @@ -1109,7 +954,7 @@ static void stli_close(struct tty_struct *tty, struct file *filp) * this still all happens pretty quickly. */ -static int stli_initopen(stlibrd_t *brdp, stliport_t *portp) +static int stli_initopen(struct stlibrd *brdp, struct stliport *portp) { struct tty_struct *tty; asynotify_t nt; @@ -1157,7 +1002,7 @@ static int stli_initopen(stlibrd_t *brdp, stliport_t *portp) * to overlap. */ -static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait) +static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait) { cdkhdr_t __iomem *hdrp; cdkctrl_t __iomem *cp; @@ -1228,7 +1073,7 @@ static int stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, i * wait is true then must have user context (to sleep). */ -static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait) +static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait) { cdkhdr_t __iomem *hdrp; cdkctrl_t __iomem *cp; @@ -1292,7 +1137,7 @@ static int stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, * to complete (as opposed to initiating the command then returning). */ -static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback) +static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback) { wait_event_interruptible(portp->raw_wait, !test_bit(ST_CMDING, &portp->state)); @@ -1318,16 +1163,16 @@ static int stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, v * waiting for the command to complete - so must have user context. */ -static int stli_setport(stliport_t *portp) +static int stli_setport(struct stliport *portp) { - stlibrd_t *brdp; + struct stlibrd *brdp; asyport_t aport; if (portp == NULL) return -ENODEV; if (portp->tty == NULL) return -ENODEV; - if (portp->brdnr < 0 && portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return -ENODEV; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1344,7 +1189,7 @@ static int stli_setport(stliport_t *portp) * maybe because if we are clocal then we don't need to wait... */ -static int stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *filp) +static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct file *filp) { unsigned long flags; int rc, doclocal; @@ -1409,8 +1254,8 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun unsigned char __iomem *bits; unsigned char __iomem *shbuf; unsigned char *chbuf; - stliport_t *portp; - stlibrd_t *brdp; + struct stliport *portp; + struct stlibrd *brdp; unsigned int len, stlen, head, tail, size; unsigned long flags; @@ -1419,7 +1264,7 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun portp = tty->driver_data; if (portp == NULL) return 0; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1445,12 +1290,12 @@ static int stli_write(struct tty_struct *tty, const unsigned char *buf, int coun stlen = len; } - len = MIN(len, count); + len = min(len, (unsigned int)count); count = 0; shbuf = (char __iomem *) EBRDGETMEMPTR(brdp, portp->txoffset); while (len > 0) { - stlen = MIN(len, stlen); + stlen = min(len, stlen); memcpy_toio(shbuf + head, chbuf, stlen); chbuf += stlen; len -= stlen; @@ -1516,8 +1361,8 @@ static void stli_flushchars(struct tty_struct *tty) unsigned char __iomem *bits; cdkasy_t __iomem *ap; struct tty_struct *cooktty; - stliport_t *portp; - stlibrd_t *brdp; + struct stliport *portp; + struct stlibrd *brdp; unsigned int len, stlen, head, tail, size, count, cooksize; unsigned char *buf; unsigned char __iomem *shbuf; @@ -1541,7 +1386,7 @@ static void stli_flushchars(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1564,13 +1409,13 @@ static void stli_flushchars(struct tty_struct *tty) stlen = len; } - len = MIN(len, cooksize); + len = min(len, cooksize); count = 0; shbuf = EBRDGETMEMPTR(brdp, portp->txoffset); buf = stli_txcookbuf; while (len > 0) { - stlen = MIN(len, stlen); + stlen = min(len, stlen); memcpy_toio(shbuf + head, buf, stlen); buf += stlen; len -= stlen; @@ -1604,8 +1449,8 @@ static void stli_flushchars(struct tty_struct *tty) static int stli_writeroom(struct tty_struct *tty) { cdkasyrq_t __iomem *rp; - stliport_t *portp; - stlibrd_t *brdp; + struct stliport *portp; + struct stlibrd *brdp; unsigned int head, tail, len; unsigned long flags; @@ -1619,7 +1464,7 @@ static int stli_writeroom(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return 0; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1657,8 +1502,8 @@ static int stli_writeroom(struct tty_struct *tty) static int stli_charsinbuffer(struct tty_struct *tty) { cdkasyrq_t __iomem *rp; - stliport_t *portp; - stlibrd_t *brdp; + struct stliport *portp; + struct stlibrd *brdp; unsigned int head, tail, len; unsigned long flags; @@ -1667,7 +1512,7 @@ static int stli_charsinbuffer(struct tty_struct *tty) portp = tty->driver_data; if (portp == NULL) return 0; - if ((portp->brdnr < 0) || (portp->brdnr >= stli_nrbrds)) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1695,10 +1540,10 @@ static int stli_charsinbuffer(struct tty_struct *tty) * Generate the serial struct info. */ -static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp) +static int stli_getserial(struct stliport *portp, struct serial_struct __user *sp) { struct serial_struct sio; - stlibrd_t *brdp; + struct stlibrd *brdp; memset(&sio, 0, sizeof(struct serial_struct)); sio.type = PORT_UNKNOWN; @@ -1728,7 +1573,7 @@ static int stli_getserial(stliport_t *portp, struct serial_struct __user *sp) * just quietly ignore any requests to change irq, etc. */ -static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp) +static int stli_setserial(struct stliport *portp, struct serial_struct __user *sp) { struct serial_struct sio; int rc; @@ -1759,13 +1604,13 @@ static int stli_setserial(stliport_t *portp, struct serial_struct __user *sp) static int stli_tiocmget(struct tty_struct *tty, struct file *file) { - stliport_t *portp = tty->driver_data; - stlibrd_t *brdp; + struct stliport *portp = tty->driver_data; + struct stlibrd *brdp; int rc; if (portp == NULL) return -ENODEV; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1783,13 +1628,13 @@ static int stli_tiocmget(struct tty_struct *tty, struct file *file) static int stli_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { - stliport_t *portp = tty->driver_data; - stlibrd_t *brdp; + struct stliport *portp = tty->driver_data; + struct stlibrd *brdp; int rts = -1, dtr = -1; if (portp == NULL) return -ENODEV; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1814,8 +1659,8 @@ static int stli_tiocmset(struct tty_struct *tty, struct file *file, static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { - stliport_t *portp; - stlibrd_t *brdp; + struct stliport *portp; + struct stlibrd *brdp; unsigned int ival; int rc; void __user *argp = (void __user *)arg; @@ -1823,7 +1668,7 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm portp = tty->driver_data; if (portp == NULL) return -ENODEV; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return 0; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1889,11 +1734,11 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm * Looks like it is true for the current ttys implementation..!! */ -static void stli_settermios(struct tty_struct *tty, struct termios *old) +static void stli_settermios(struct tty_struct *tty, struct ktermios *old) { - stliport_t *portp; - stlibrd_t *brdp; - struct termios *tiosp; + struct stliport *portp; + struct stlibrd *brdp; + struct ktermios *tiosp; asyport_t aport; if (tty == NULL) @@ -1901,7 +1746,7 @@ static void stli_settermios(struct tty_struct *tty, struct termios *old) portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -1937,7 +1782,7 @@ static void stli_settermios(struct tty_struct *tty, struct termios *old) static void stli_throttle(struct tty_struct *tty) { - stliport_t *portp = tty->driver_data; + struct stliport *portp = tty->driver_data; if (portp == NULL) return; set_bit(ST_RXSTOP, &portp->state); @@ -1953,7 +1798,7 @@ static void stli_throttle(struct tty_struct *tty) static void stli_unthrottle(struct tty_struct *tty) { - stliport_t *portp = tty->driver_data; + struct stliport *portp = tty->driver_data; if (portp == NULL) return; clear_bit(ST_RXSTOP, &portp->state); @@ -1992,7 +1837,7 @@ static void stli_start(struct tty_struct *tty) static void stli_dohangup(struct work_struct *ugly_api) { - stliport_t *portp = container_of(ugly_api, stliport_t, tqhangup); + struct stliport *portp = container_of(ugly_api, struct stliport, tqhangup); if (portp->tty != NULL) { tty_hangup(portp->tty); } @@ -2009,14 +1854,14 @@ static void stli_dohangup(struct work_struct *ugly_api) static void stli_hangup(struct tty_struct *tty) { - stliport_t *portp; - stlibrd_t *brdp; + struct stliport *portp; + struct stlibrd *brdp; unsigned long flags; portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -2062,14 +1907,14 @@ static void stli_hangup(struct tty_struct *tty) static void stli_flushbuffer(struct tty_struct *tty) { - stliport_t *portp; - stlibrd_t *brdp; + struct stliport *portp; + struct stlibrd *brdp; unsigned long ftype, flags; portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -2099,14 +1944,14 @@ static void stli_flushbuffer(struct tty_struct *tty) static void stli_breakctl(struct tty_struct *tty, int state) { - stlibrd_t *brdp; - stliport_t *portp; + struct stlibrd *brdp; + struct stliport *portp; long arg; portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -2120,7 +1965,7 @@ static void stli_breakctl(struct tty_struct *tty, int state) static void stli_waituntilsent(struct tty_struct *tty, int timeout) { - stliport_t *portp; + struct stliport *portp; unsigned long tend; if (tty == NULL) @@ -2146,14 +1991,14 @@ static void stli_waituntilsent(struct tty_struct *tty, int timeout) static void stli_sendxchar(struct tty_struct *tty, char ch) { - stlibrd_t *brdp; - stliport_t *portp; + struct stlibrd *brdp; + struct stliport *portp; asyctrl_t actrl; portp = tty->driver_data; if (portp == NULL) return; - if (portp->brdnr < 0 || portp->brdnr >= stli_nrbrds) + if (portp->brdnr >= stli_nrbrds) return; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) @@ -2181,7 +2026,7 @@ static void stli_sendxchar(struct tty_struct *tty, char ch) * short then padded with spaces). */ -static int stli_portinfo(stlibrd_t *brdp, stliport_t *portp, int portnr, char *pos) +static int stli_portinfo(struct stlibrd *brdp, struct stliport *portp, int portnr, char *pos) { char *sp, *uart; int rc, cnt; @@ -2244,9 +2089,9 @@ static int stli_portinfo(stlibrd_t *brdp, stliport_t *portp, int portnr, char *p static int stli_readproc(char *page, char **start, off_t off, int count, int *eof, void *data) { - stlibrd_t *brdp; - stliport_t *portp; - int brdnr, portnr, totalport; + struct stlibrd *brdp; + struct stliport *portp; + unsigned int brdnr, portnr, totalport; int curoff, maxoff; char *pos; @@ -2316,7 +2161,7 @@ stli_readdone: * entry point) */ -static void __stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback) +static void __stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback) { cdkhdr_t __iomem *hdrp; cdkctrl_t __iomem *cp; @@ -2352,7 +2197,7 @@ static void __stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd spin_unlock_irqrestore(&brd_lock, flags); } -static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback) +static void stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback) { unsigned long flags; @@ -2371,7 +2216,7 @@ static void stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, * more chars to unload. */ -static void stli_read(stlibrd_t *brdp, stliport_t *portp) +static void stli_read(struct stlibrd *brdp, struct stliport *portp) { cdkasyrq_t __iomem *rp; char __iomem *shbuf; @@ -2406,7 +2251,7 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp) while (len > 0) { unsigned char *cptr; - stlen = MIN(len, stlen); + stlen = min(len, stlen); tty_prepare_flip_string(tty, &cptr, stlen); memcpy_fromio(cptr, shbuf + tail, stlen); len -= stlen; @@ -2433,7 +2278,7 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp) * difficult to deal with them here. */ -static void stli_dodelaycmd(stliport_t *portp, cdkctrl_t __iomem *cp) +static void stli_dodelaycmd(struct stliport *portp, cdkctrl_t __iomem *cp) { int cmd; @@ -2481,7 +2326,7 @@ static void stli_dodelaycmd(stliport_t *portp, cdkctrl_t __iomem *cp) * then port is still busy, otherwise no longer busy. */ -static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp) +static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp) { cdkasy_t __iomem *ap; cdkctrl_t __iomem *cp; @@ -2628,9 +2473,9 @@ static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp) * at the cdk header structure. */ -static void stli_brdpoll(stlibrd_t *brdp, cdkhdr_t __iomem *hdrp) +static void stli_brdpoll(struct stlibrd *brdp, cdkhdr_t __iomem *hdrp) { - stliport_t *portp; + struct stliport *portp; unsigned char hostbits[(STL_MAXCHANS / 8) + 1]; unsigned char slavebits[(STL_MAXCHANS / 8) + 1]; unsigned char __iomem *slavep; @@ -2697,11 +2542,10 @@ static void stli_brdpoll(stlibrd_t *brdp, cdkhdr_t __iomem *hdrp) static void stli_poll(unsigned long arg) { cdkhdr_t __iomem *hdrp; - stlibrd_t *brdp; - int brdnr; + struct stlibrd *brdp; + unsigned int brdnr; - stli_timerlist.expires = STLI_TIMEOUT; - add_timer(&stli_timerlist); + mod_timer(&stli_timerlist, STLI_TIMEOUT); /* * Check each board and do any servicing required. @@ -2730,7 +2574,7 @@ static void stli_poll(unsigned long arg) * the slave. */ -static void stli_mkasyport(stliport_t *portp, asyport_t *pp, struct termios *tiosp) +static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermios *tiosp) { memset(pp, 0, sizeof(asyport_t)); @@ -2879,13 +2723,13 @@ static long stli_mktiocm(unsigned long sigvalue) * we need to do here is set up the appropriate per port data structures. */ -static int stli_initports(stlibrd_t *brdp) +static int stli_initports(struct stlibrd *brdp) { - stliport_t *portp; - int i, panelnr, panelport; + struct stliport *portp; + unsigned int i, panelnr, panelport; for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) { - portp = kzalloc(sizeof(stliport_t), GFP_KERNEL); + portp = kzalloc(sizeof(struct stliport), GFP_KERNEL); if (!portp) { printk("STALLION: failed to allocate port structure\n"); continue; @@ -2919,7 +2763,7 @@ static int stli_initports(stlibrd_t *brdp) * All the following routines are board specific hardware operations. */ -static void stli_ecpinit(stlibrd_t *brdp) +static void stli_ecpinit(struct stlibrd *brdp) { unsigned long memconf; @@ -2934,21 +2778,21 @@ static void stli_ecpinit(stlibrd_t *brdp) /*****************************************************************************/ -static void stli_ecpenable(stlibrd_t *brdp) +static void stli_ecpenable(struct stlibrd *brdp) { outb(ECP_ATENABLE, (brdp->iobase + ECP_ATCONFR)); } /*****************************************************************************/ -static void stli_ecpdisable(stlibrd_t *brdp) +static void stli_ecpdisable(struct stlibrd *brdp) { outb(ECP_ATDISABLE, (brdp->iobase + ECP_ATCONFR)); } /*****************************************************************************/ -static void __iomem *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_ecpgetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { void __iomem *ptr; unsigned char val; @@ -2969,7 +2813,7 @@ static void __iomem *stli_ecpgetmemptr(stlibrd_t *brdp, unsigned long offset, in /*****************************************************************************/ -static void stli_ecpreset(stlibrd_t *brdp) +static void stli_ecpreset(struct stlibrd *brdp) { outb(ECP_ATSTOP, (brdp->iobase + ECP_ATCONFR)); udelay(10); @@ -2979,7 +2823,7 @@ static void stli_ecpreset(stlibrd_t *brdp) /*****************************************************************************/ -static void stli_ecpintr(stlibrd_t *brdp) +static void stli_ecpintr(struct stlibrd *brdp) { outb(0x1, brdp->iobase); } @@ -2990,7 +2834,7 @@ static void stli_ecpintr(stlibrd_t *brdp) * The following set of functions act on ECP EISA boards. */ -static void stli_ecpeiinit(stlibrd_t *brdp) +static void stli_ecpeiinit(struct stlibrd *brdp) { unsigned long memconf; @@ -3008,21 +2852,21 @@ static void stli_ecpeiinit(stlibrd_t *brdp) /*****************************************************************************/ -static void stli_ecpeienable(stlibrd_t *brdp) +static void stli_ecpeienable(struct stlibrd *brdp) { outb(ECP_EIENABLE, (brdp->iobase + ECP_EICONFR)); } /*****************************************************************************/ -static void stli_ecpeidisable(stlibrd_t *brdp) +static void stli_ecpeidisable(struct stlibrd *brdp) { outb(ECP_EIDISABLE, (brdp->iobase + ECP_EICONFR)); } /*****************************************************************************/ -static void __iomem *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_ecpeigetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { void __iomem *ptr; unsigned char val; @@ -3046,7 +2890,7 @@ static void __iomem *stli_ecpeigetmemptr(stlibrd_t *brdp, unsigned long offset, /*****************************************************************************/ -static void stli_ecpeireset(stlibrd_t *brdp) +static void stli_ecpeireset(struct stlibrd *brdp) { outb(ECP_EISTOP, (brdp->iobase + ECP_EICONFR)); udelay(10); @@ -3060,21 +2904,21 @@ static void stli_ecpeireset(stlibrd_t *brdp) * The following set of functions act on ECP MCA boards. */ -static void stli_ecpmcenable(stlibrd_t *brdp) +static void stli_ecpmcenable(struct stlibrd *brdp) { outb(ECP_MCENABLE, (brdp->iobase + ECP_MCCONFR)); } /*****************************************************************************/ -static void stli_ecpmcdisable(stlibrd_t *brdp) +static void stli_ecpmcdisable(struct stlibrd *brdp) { outb(ECP_MCDISABLE, (brdp->iobase + ECP_MCCONFR)); } /*****************************************************************************/ -static void __iomem *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_ecpmcgetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { void __iomem *ptr; unsigned char val; @@ -3095,7 +2939,7 @@ static void __iomem *stli_ecpmcgetmemptr(stlibrd_t *brdp, unsigned long offset, /*****************************************************************************/ -static void stli_ecpmcreset(stlibrd_t *brdp) +static void stli_ecpmcreset(struct stlibrd *brdp) { outb(ECP_MCSTOP, (brdp->iobase + ECP_MCCONFR)); udelay(10); @@ -3109,7 +2953,7 @@ static void stli_ecpmcreset(stlibrd_t *brdp) * The following set of functions act on ECP PCI boards. */ -static void stli_ecppciinit(stlibrd_t *brdp) +static void stli_ecppciinit(struct stlibrd *brdp) { outb(ECP_PCISTOP, (brdp->iobase + ECP_PCICONFR)); udelay(10); @@ -3119,7 +2963,7 @@ static void stli_ecppciinit(stlibrd_t *brdp) /*****************************************************************************/ -static void __iomem *stli_ecppcigetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_ecppcigetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { void __iomem *ptr; unsigned char val; @@ -3140,7 +2984,7 @@ static void __iomem *stli_ecppcigetmemptr(stlibrd_t *brdp, unsigned long offset, /*****************************************************************************/ -static void stli_ecppcireset(stlibrd_t *brdp) +static void stli_ecppcireset(struct stlibrd *brdp) { outb(ECP_PCISTOP, (brdp->iobase + ECP_PCICONFR)); udelay(10); @@ -3154,7 +2998,7 @@ static void stli_ecppcireset(stlibrd_t *brdp) * The following routines act on ONboards. */ -static void stli_onbinit(stlibrd_t *brdp) +static void stli_onbinit(struct stlibrd *brdp) { unsigned long memconf; @@ -3171,21 +3015,21 @@ static void stli_onbinit(stlibrd_t *brdp) /*****************************************************************************/ -static void stli_onbenable(stlibrd_t *brdp) +static void stli_onbenable(struct stlibrd *brdp) { outb((brdp->enabval | ONB_ATENABLE), (brdp->iobase + ONB_ATCONFR)); } /*****************************************************************************/ -static void stli_onbdisable(stlibrd_t *brdp) +static void stli_onbdisable(struct stlibrd *brdp) { outb((brdp->enabval | ONB_ATDISABLE), (brdp->iobase + ONB_ATCONFR)); } /*****************************************************************************/ -static void __iomem *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_onbgetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { void __iomem *ptr; @@ -3202,7 +3046,7 @@ static void __iomem *stli_onbgetmemptr(stlibrd_t *brdp, unsigned long offset, in /*****************************************************************************/ -static void stli_onbreset(stlibrd_t *brdp) +static void stli_onbreset(struct stlibrd *brdp) { outb(ONB_ATSTOP, (brdp->iobase + ONB_ATCONFR)); udelay(10); @@ -3216,7 +3060,7 @@ static void stli_onbreset(stlibrd_t *brdp) * The following routines act on ONboard EISA. */ -static void stli_onbeinit(stlibrd_t *brdp) +static void stli_onbeinit(struct stlibrd *brdp) { unsigned long memconf; @@ -3236,21 +3080,21 @@ static void stli_onbeinit(stlibrd_t *brdp) /*****************************************************************************/ -static void stli_onbeenable(stlibrd_t *brdp) +static void stli_onbeenable(struct stlibrd *brdp) { outb(ONB_EIENABLE, (brdp->iobase + ONB_EICONFR)); } /*****************************************************************************/ -static void stli_onbedisable(stlibrd_t *brdp) +static void stli_onbedisable(struct stlibrd *brdp) { outb(ONB_EIDISABLE, (brdp->iobase + ONB_EICONFR)); } /*****************************************************************************/ -static void __iomem *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_onbegetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { void __iomem *ptr; unsigned char val; @@ -3274,7 +3118,7 @@ static void __iomem *stli_onbegetmemptr(stlibrd_t *brdp, unsigned long offset, i /*****************************************************************************/ -static void stli_onbereset(stlibrd_t *brdp) +static void stli_onbereset(struct stlibrd *brdp) { outb(ONB_EISTOP, (brdp->iobase + ONB_EICONFR)); udelay(10); @@ -3288,7 +3132,7 @@ static void stli_onbereset(stlibrd_t *brdp) * The following routines act on Brumby boards. */ -static void stli_bbyinit(stlibrd_t *brdp) +static void stli_bbyinit(struct stlibrd *brdp) { outb(BBY_ATSTOP, (brdp->iobase + BBY_ATCONFR)); udelay(10); @@ -3300,7 +3144,7 @@ static void stli_bbyinit(stlibrd_t *brdp) /*****************************************************************************/ -static void __iomem *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_bbygetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { void __iomem *ptr; unsigned char val; @@ -3315,7 +3159,7 @@ static void __iomem *stli_bbygetmemptr(stlibrd_t *brdp, unsigned long offset, in /*****************************************************************************/ -static void stli_bbyreset(stlibrd_t *brdp) +static void stli_bbyreset(struct stlibrd *brdp) { outb(BBY_ATSTOP, (brdp->iobase + BBY_ATCONFR)); udelay(10); @@ -3329,7 +3173,7 @@ static void stli_bbyreset(stlibrd_t *brdp) * The following routines act on original old Stallion boards. */ -static void stli_stalinit(stlibrd_t *brdp) +static void stli_stalinit(struct stlibrd *brdp) { outb(0x1, brdp->iobase); mdelay(1000); @@ -3337,7 +3181,7 @@ static void stli_stalinit(stlibrd_t *brdp) /*****************************************************************************/ -static void __iomem *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, int line) +static void __iomem *stli_stalgetmemptr(struct stlibrd *brdp, unsigned long offset, int line) { BUG_ON(offset > brdp->memsize); return brdp->membase + (offset % STAL_PAGESIZE); @@ -3345,7 +3189,7 @@ static void __iomem *stli_stalgetmemptr(stlibrd_t *brdp, unsigned long offset, i /*****************************************************************************/ -static void stli_stalreset(stlibrd_t *brdp) +static void stli_stalreset(struct stlibrd *brdp) { u32 __iomem *vecp; @@ -3362,21 +3206,22 @@ static void stli_stalreset(stlibrd_t *brdp) * board types. */ -static int stli_initecp(stlibrd_t *brdp) +static int stli_initecp(struct stlibrd *brdp) { cdkecpsig_t sig; cdkecpsig_t __iomem *sigsp; unsigned int status, nxtid; char *name; - int panelnr, nrports; + int retval, panelnr, nrports; - if (!request_region(brdp->iobase, brdp->iosize, "istallion")) - return -EIO; - - if ((brdp->iobase == 0) || (brdp->memaddr == 0)) - { - release_region(brdp->iobase, brdp->iosize); - return -ENODEV; + if ((brdp->iobase == 0) || (brdp->memaddr == 0)) { + retval = -ENODEV; + goto err; + } + + if (!request_region(brdp->iobase, brdp->iosize, "istallion")) { + retval = -EIO; + goto err; } brdp->iosize = ECP_IOSIZE; @@ -3388,7 +3233,6 @@ static int stli_initecp(stlibrd_t *brdp) */ switch (brdp->brdtype) { case BRD_ECP: - brdp->membase = (void *) brdp->memaddr; brdp->memsize = ECP_MEMSIZE; brdp->pagesize = ECP_ATPAGESIZE; brdp->init = stli_ecpinit; @@ -3402,7 +3246,6 @@ static int stli_initecp(stlibrd_t *brdp) break; case BRD_ECPE: - brdp->membase = (void *) brdp->memaddr; brdp->memsize = ECP_MEMSIZE; brdp->pagesize = ECP_EIPAGESIZE; brdp->init = stli_ecpeiinit; @@ -3416,7 +3259,6 @@ static int stli_initecp(stlibrd_t *brdp) break; case BRD_ECPMC: - brdp->membase = (void *) brdp->memaddr; brdp->memsize = ECP_MEMSIZE; brdp->pagesize = ECP_MCPAGESIZE; brdp->init = NULL; @@ -3430,7 +3272,6 @@ static int stli_initecp(stlibrd_t *brdp) break; case BRD_ECPPCI: - brdp->membase = (void *) brdp->memaddr; brdp->memsize = ECP_PCIMEMSIZE; brdp->pagesize = ECP_PCIPAGESIZE; brdp->init = stli_ecppciinit; @@ -3444,8 +3285,8 @@ static int stli_initecp(stlibrd_t *brdp) break; default: - release_region(brdp->iobase, brdp->iosize); - return -EINVAL; + retval = -EINVAL; + goto err_reg; } /* @@ -3457,10 +3298,9 @@ static int stli_initecp(stlibrd_t *brdp) EBRDINIT(brdp); brdp->membase = ioremap(brdp->memaddr, brdp->memsize); - if (brdp->membase == NULL) - { - release_region(brdp->iobase, brdp->iosize); - return -ENOMEM; + if (brdp->membase == NULL) { + retval = -ENOMEM; + goto err_reg; } /* @@ -3473,12 +3313,9 @@ static int stli_initecp(stlibrd_t *brdp) memcpy_fromio(&sig, sigsp, sizeof(cdkecpsig_t)); EBRDDISABLE(brdp); - if (sig.magic != cpu_to_le32(ECP_MAGIC)) - { - release_region(brdp->iobase, brdp->iosize); - iounmap(brdp->membase); - brdp->membase = NULL; - return -ENODEV; + if (sig.magic != cpu_to_le32(ECP_MAGIC)) { + retval = -ENODEV; + goto err_unmap; } /* @@ -3503,6 +3340,13 @@ static int stli_initecp(stlibrd_t *brdp) brdp->state |= BST_FOUND; return 0; +err_unmap: + iounmap(brdp->membase); + brdp->membase = NULL; +err_reg: + release_region(brdp->iobase, brdp->iosize); +err: + return retval; } /*****************************************************************************/ @@ -3512,23 +3356,27 @@ static int stli_initecp(stlibrd_t *brdp) * This handles only these board types. */ -static int stli_initonb(stlibrd_t *brdp) +static int stli_initonb(struct stlibrd *brdp) { cdkonbsig_t sig; cdkonbsig_t __iomem *sigsp; char *name; - int i; + int i, retval; /* * Do a basic sanity check on the IO and memory addresses. */ - if (brdp->iobase == 0 || brdp->memaddr == 0) - return -ENODEV; + if (brdp->iobase == 0 || brdp->memaddr == 0) { + retval = -ENODEV; + goto err; + } brdp->iosize = ONB_IOSIZE; - if (!request_region(brdp->iobase, brdp->iosize, "istallion")) - return -EIO; + if (!request_region(brdp->iobase, brdp->iosize, "istallion")) { + retval = -EIO; + goto err; + } /* * Based on the specific board type setup the common vars to access @@ -3537,10 +3385,7 @@ static int stli_initonb(stlibrd_t *brdp) */ switch (brdp->brdtype) { case BRD_ONBOARD: - case BRD_ONBOARD32: case BRD_ONBOARD2: - case BRD_ONBOARD2_32: - case BRD_ONBOARDRS: brdp->memsize = ONB_MEMSIZE; brdp->pagesize = ONB_ATPAGESIZE; brdp->init = stli_onbinit; @@ -3571,8 +3416,6 @@ static int stli_initonb(stlibrd_t *brdp) break; case BRD_BRUMBY4: - case BRD_BRUMBY8: - case BRD_BRUMBY16: brdp->memsize = BBY_MEMSIZE; brdp->pagesize = BBY_PAGESIZE; brdp->init = stli_bbyinit; @@ -3599,8 +3442,8 @@ static int stli_initonb(stlibrd_t *brdp) break; default: - release_region(brdp->iobase, brdp->iosize); - return -EINVAL; + retval = -EINVAL; + goto err_reg; } /* @@ -3612,10 +3455,9 @@ static int stli_initonb(stlibrd_t *brdp) EBRDINIT(brdp); brdp->membase = ioremap(brdp->memaddr, brdp->memsize); - if (brdp->membase == NULL) - { - release_region(brdp->iobase, brdp->iosize); - return -ENOMEM; + if (brdp->membase == NULL) { + retval = -ENOMEM; + goto err_reg; } /* @@ -3631,12 +3473,9 @@ static int stli_initonb(stlibrd_t *brdp) if (sig.magic0 != cpu_to_le16(ONB_MAGIC0) || sig.magic1 != cpu_to_le16(ONB_MAGIC1) || sig.magic2 != cpu_to_le16(ONB_MAGIC2) || - sig.magic3 != cpu_to_le16(ONB_MAGIC3)) - { - release_region(brdp->iobase, brdp->iosize); - iounmap(brdp->membase); - brdp->membase = NULL; - return -ENODEV; + sig.magic3 != cpu_to_le16(ONB_MAGIC3)) { + retval = -ENODEV; + goto err_unmap; } /* @@ -3658,6 +3497,13 @@ static int stli_initonb(stlibrd_t *brdp) brdp->state |= BST_FOUND; return 0; +err_unmap: + iounmap(brdp->membase); + brdp->membase = NULL; +err_reg: + release_region(brdp->iobase, brdp->iosize); +err: + return retval; } /*****************************************************************************/ @@ -3668,14 +3514,15 @@ static int stli_initonb(stlibrd_t *brdp) * read in the memory map, and get the show on the road... */ -static int stli_startbrd(stlibrd_t *brdp) +static int stli_startbrd(struct stlibrd *brdp) { cdkhdr_t __iomem *hdrp; cdkmem_t __iomem *memp; cdkasy_t __iomem *ap; unsigned long flags; - stliport_t *portp; - int portnr, nrdevs, i, rc = 0; + unsigned int portnr, nrdevs, i; + struct stliport *portp; + int rc = 0; u32 memoff; spin_lock_irqsave(&brd_lock, flags); @@ -3762,8 +3609,7 @@ stli_donestartup: if (! stli_timeron) { stli_timeron++; - stli_timerlist.expires = STLI_TIMEOUT; - add_timer(&stli_timerlist); + mod_timer(&stli_timerlist, STLI_TIMEOUT); } return rc; @@ -3775,49 +3621,32 @@ stli_donestartup: * Probe and initialize the specified board. */ -static int __init stli_brdinit(stlibrd_t *brdp) +static int __devinit stli_brdinit(struct stlibrd *brdp) { - stli_brds[brdp->brdnr] = brdp; + int retval; switch (brdp->brdtype) { case BRD_ECP: case BRD_ECPE: case BRD_ECPMC: case BRD_ECPPCI: - stli_initecp(brdp); + retval = stli_initecp(brdp); break; case BRD_ONBOARD: case BRD_ONBOARDE: case BRD_ONBOARD2: - case BRD_ONBOARD32: - case BRD_ONBOARD2_32: - case BRD_ONBOARDRS: case BRD_BRUMBY4: - case BRD_BRUMBY8: - case BRD_BRUMBY16: case BRD_STALLION: - stli_initonb(brdp); + retval = stli_initonb(brdp); break; - case BRD_EASYIO: - case BRD_ECH: - case BRD_ECHMC: - case BRD_ECHPCI: - printk(KERN_ERR "STALLION: %s board type not supported in " - "this driver\n", stli_brdnames[brdp->brdtype]); - return -ENODEV; default: printk(KERN_ERR "STALLION: board=%d is unknown board " "type=%d\n", brdp->brdnr, brdp->brdtype); - return -ENODEV; + retval = -ENODEV; } - if ((brdp->state & BST_FOUND) == 0) { - printk(KERN_ERR "STALLION: %s board not found, board=%d " - "io=%x mem=%x\n", - stli_brdnames[brdp->brdtype], brdp->brdnr, - brdp->iobase, (int) brdp->memaddr); - return -ENODEV; - } + if (retval) + return retval; stli_initports(brdp); printk(KERN_INFO "STALLION: %s found, board=%d io=%x mem=%x " @@ -3827,6 +3656,7 @@ static int __init stli_brdinit(stlibrd_t *brdp) return 0; } +#if STLI_EISAPROBE != 0 /*****************************************************************************/ /* @@ -3834,7 +3664,7 @@ static int __init stli_brdinit(stlibrd_t *brdp) * might be. This is a bit if hack, but it is the best we can do. */ -static int stli_eisamemprobe(stlibrd_t *brdp) +static int stli_eisamemprobe(struct stlibrd *brdp) { cdkecpsig_t ecpsig, __iomem *ecpsigp; cdkonbsig_t onbsig, __iomem *onbsigp; @@ -3920,10 +3750,11 @@ static int stli_eisamemprobe(stlibrd_t *brdp) } return 0; } +#endif static int stli_getbrdnr(void) { - int i; + unsigned int i; for (i = 0; i < STL_MAXBRDS; i++) { if (!stli_brds[i]) { @@ -3935,6 +3766,7 @@ static int stli_getbrdnr(void) return -1; } +#if STLI_EISAPROBE != 0 /*****************************************************************************/ /* @@ -3949,9 +3781,9 @@ static int stli_getbrdnr(void) static int stli_findeisabrds(void) { - stlibrd_t *brdp; - unsigned int iobase, eid; - int i; + struct stlibrd *brdp; + unsigned int iobase, eid, i; + int brdnr, found = 0; /* * Firstly check if this is an EISA system. If this is not an EISA system then @@ -3989,9 +3821,11 @@ static int stli_findeisabrds(void) * Allocate a board structure and initialize it. */ if ((brdp = stli_allocbrd()) == NULL) - return -ENOMEM; - if ((brdp->brdnr = stli_getbrdnr()) < 0) - return -ENOMEM; + return found ? : -ENOMEM; + brdnr = stli_getbrdnr(); + if (brdnr < 0) + return found ? : -ENOMEM; + brdp->brdnr = (unsigned int)brdnr; eid = inb(iobase + 0xc82); if (eid == ECP_EISAID) brdp->brdtype = BRD_ECPE; @@ -4003,11 +3837,24 @@ static int stli_findeisabrds(void) outb(0x1, (iobase + 0xc84)); if (stli_eisamemprobe(brdp)) outb(0, (iobase + 0xc84)); - stli_brdinit(brdp); + if (stli_brdinit(brdp) < 0) { + kfree(brdp); + continue; + } + + stli_brds[brdp->brdnr] = brdp; + found++; + + for (i = 0; i < brdp->nrports; i++) + tty_register_device(stli_serial, + brdp->brdnr * STL_MAXPORTS + i, NULL); } - return 0; + return found; } +#else +static inline int stli_findeisabrds(void) { return 0; } +#endif /*****************************************************************************/ @@ -4017,72 +3864,104 @@ static int stli_findeisabrds(void) /*****************************************************************************/ -#ifdef CONFIG_PCI - /* * We have a Stallion board. Allocate a board structure and * initialize it. Read its IO and MEMORY resources from PCI * configuration space. */ -static int stli_initpcibrd(int brdtype, struct pci_dev *devp) +static int __devinit stli_pciprobe(struct pci_dev *pdev, + const struct pci_device_id *ent) { - stlibrd_t *brdp; - - if (pci_enable_device(devp)) - return -EIO; - if ((brdp = stli_allocbrd()) == NULL) - return -ENOMEM; - if ((brdp->brdnr = stli_getbrdnr()) < 0) { + struct stlibrd *brdp; + unsigned int i; + int brdnr, retval = -EIO; + + retval = pci_enable_device(pdev); + if (retval) + goto err; + brdp = stli_allocbrd(); + if (brdp == NULL) { + retval = -ENOMEM; + goto err; + } + mutex_lock(&stli_brdslock); + brdnr = stli_getbrdnr(); + if (brdnr < 0) { printk(KERN_INFO "STALLION: too many boards found, " "maximum supported %d\n", STL_MAXBRDS); - return 0; + mutex_unlock(&stli_brdslock); + retval = -EIO; + goto err_fr; } - brdp->brdtype = brdtype; + brdp->brdnr = (unsigned int)brdnr; + stli_brds[brdp->brdnr] = brdp; + mutex_unlock(&stli_brdslock); + brdp->brdtype = BRD_ECPPCI; /* * We have all resources from the board, so lets setup the actual * board structure now. */ - brdp->iobase = pci_resource_start(devp, 3); - brdp->memaddr = pci_resource_start(devp, 2); - stli_brdinit(brdp); + brdp->iobase = pci_resource_start(pdev, 3); + brdp->memaddr = pci_resource_start(pdev, 2); + retval = stli_brdinit(brdp); + if (retval) + goto err_null; + + brdp->state |= BST_PROBED; + pci_set_drvdata(pdev, brdp); + + EBRDENABLE(brdp); + brdp->enable = NULL; + brdp->disable = NULL; + + for (i = 0; i < brdp->nrports; i++) + tty_register_device(stli_serial, brdp->brdnr * STL_MAXPORTS + i, + &pdev->dev); return 0; +err_null: + stli_brds[brdp->brdnr] = NULL; +err_fr: + kfree(brdp); +err: + return retval; } -/*****************************************************************************/ +static void stli_pciremove(struct pci_dev *pdev) +{ + struct stlibrd *brdp = pci_get_drvdata(pdev); -/* - * Find all Stallion PCI boards that might be installed. Initialize each - * one as it is found. - */ + stli_cleanup_ports(brdp); -static int stli_findpcibrds(void) -{ - struct pci_dev *dev = NULL; + iounmap(brdp->membase); + if (brdp->iosize > 0) + release_region(brdp->iobase, brdp->iosize); - while ((dev = pci_get_device(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECRA, dev))) { - stli_initpcibrd(BRD_ECPPCI, dev); - } - return 0; + stli_brds[brdp->brdnr] = NULL; + kfree(brdp); } -#endif - +static struct pci_driver stli_pcidriver = { + .name = "istallion", + .id_table = istallion_pci_tbl, + .probe = stli_pciprobe, + .remove = __devexit_p(stli_pciremove) +}; /*****************************************************************************/ /* * Allocate a new board structure. Fill out the basic info in it. */ -static stlibrd_t *stli_allocbrd(void) +static struct stlibrd *stli_allocbrd(void) { - stlibrd_t *brdp; + struct stlibrd *brdp; - brdp = kzalloc(sizeof(stlibrd_t), GFP_KERNEL); + brdp = kzalloc(sizeof(struct stlibrd), GFP_KERNEL); if (!brdp) { printk(KERN_ERR "STALLION: failed to allocate memory " - "(size=%Zd)\n", sizeof(stlibrd_t)); + "(size=%Zd)\n", sizeof(struct stlibrd)); return NULL; } brdp->magic = STLI_BOARDMAGIC; @@ -4098,43 +3977,37 @@ static stlibrd_t *stli_allocbrd(void) static int stli_initbrds(void) { - stlibrd_t *brdp, *nxtbrdp; - stlconf_t *confp; - int i, j; - - if (stli_nrbrds > STL_MAXBRDS) { - printk(KERN_INFO "STALLION: too many boards in configuration " - "table, truncating to %d\n", STL_MAXBRDS); - stli_nrbrds = STL_MAXBRDS; - } + struct stlibrd *brdp, *nxtbrdp; + struct stlconf conf; + unsigned int i, j, found = 0; + int retval; -/* - * Firstly scan the list of static boards configured. Allocate - * resources and initialize the boards as found. If this is a - * module then let the module args override static configuration. - */ - for (i = 0; (i < stli_nrbrds); i++) { - confp = &stli_brdconf[i]; - stli_parsebrd(confp, stli_brdsp[i]); + for (stli_nrbrds = 0; stli_nrbrds < ARRAY_SIZE(stli_brdsp); + stli_nrbrds++) { + memset(&conf, 0, sizeof(conf)); + if (stli_parsebrd(&conf, stli_brdsp[stli_nrbrds]) == 0) + continue; if ((brdp = stli_allocbrd()) == NULL) - return -ENOMEM; - brdp->brdnr = i; - brdp->brdtype = confp->brdtype; - brdp->iobase = confp->ioaddr1; - brdp->memaddr = confp->memaddr; - stli_brdinit(brdp); + continue; + brdp->brdnr = stli_nrbrds; + brdp->brdtype = conf.brdtype; + brdp->iobase = conf.ioaddr1; + brdp->memaddr = conf.memaddr; + if (stli_brdinit(brdp) < 0) { + kfree(brdp); + continue; + } + stli_brds[brdp->brdnr] = brdp; + found++; + + for (i = 0; i < brdp->nrports; i++) + tty_register_device(stli_serial, + brdp->brdnr * STL_MAXPORTS + i, NULL); } -/* - * Static configuration table done, so now use dynamic methods to - * see if any more boards should be configured. - */ - stli_argbrds(); - if (STLI_EISAPROBE) - stli_findeisabrds(); -#ifdef CONFIG_PCI - stli_findpcibrds(); -#endif + retval = stli_findeisabrds(); + if (retval > 0) + found += retval; /* * All found boards are initialized. Now for a little optimization, if @@ -4174,7 +4047,16 @@ static int stli_initbrds(void) } } + retval = pci_register_driver(&stli_pcidriver); + if (retval && found == 0) { + printk(KERN_ERR "Neither isa nor eisa cards found nor pci " + "driver can be registered!\n"); + goto err; + } + return 0; +err: + return retval; } /*****************************************************************************/ @@ -4189,12 +4071,13 @@ static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, lof { unsigned long flags; void __iomem *memptr; - stlibrd_t *brdp; - int brdnr, size, n; + struct stlibrd *brdp; + unsigned int brdnr; + int size, n; void *p; loff_t off = *offp; - brdnr = iminor(fp->f_dentry->d_inode); + brdnr = iminor(fp->f_path.dentry->d_inode); if (brdnr >= stli_nrbrds) return -ENODEV; brdp = stli_brds[brdnr]; @@ -4205,7 +4088,7 @@ static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, lof if (off >= brdp->memsize || off + count < off) return 0; - size = MIN(count, (brdp->memsize - off)); + size = min(count, (size_t)(brdp->memsize - off)); /* * Copy the data a page at a time @@ -4219,8 +4102,8 @@ static ssize_t stli_memread(struct file *fp, char __user *buf, size_t count, lof spin_lock_irqsave(&brd_lock, flags); EBRDENABLE(brdp); memptr = EBRDGETMEMPTR(brdp, off); - n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize))); - n = MIN(n, PAGE_SIZE); + n = min(size, (int)(brdp->pagesize - (((unsigned long) off) % brdp->pagesize))); + n = min(n, (int)PAGE_SIZE); memcpy_fromio(p, memptr, n); EBRDDISABLE(brdp); spin_unlock_irqrestore(&brd_lock, flags); @@ -4252,13 +4135,14 @@ static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t cou { unsigned long flags; void __iomem *memptr; - stlibrd_t *brdp; + struct stlibrd *brdp; char __user *chbuf; - int brdnr, size, n; + unsigned int brdnr; + int size, n; void *p; loff_t off = *offp; - brdnr = iminor(fp->f_dentry->d_inode); + brdnr = iminor(fp->f_path.dentry->d_inode); if (brdnr >= stli_nrbrds) return -ENODEV; @@ -4271,7 +4155,7 @@ static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t cou return 0; chbuf = (char __user *) buf; - size = MIN(count, (brdp->memsize - off)); + size = min(count, (size_t)(brdp->memsize - off)); /* * Copy the data a page at a time @@ -4282,8 +4166,8 @@ static ssize_t stli_memwrite(struct file *fp, const char __user *buf, size_t cou return -ENOMEM; while (size > 0) { - n = MIN(size, (brdp->pagesize - (((unsigned long) off) % brdp->pagesize))); - n = MIN(n, PAGE_SIZE); + n = min(size, (int)(brdp->pagesize - (((unsigned long) off) % brdp->pagesize))); + n = min(n, (int)PAGE_SIZE); if (copy_from_user(p, chbuf, n)) { if (count == 0) count = -EFAULT; @@ -4313,8 +4197,8 @@ out: static int stli_getbrdstats(combrd_t __user *bp) { - stlibrd_t *brdp; - int i; + struct stlibrd *brdp; + unsigned int i; if (copy_from_user(&stli_brdstats, bp, sizeof(combrd_t))) return -EFAULT; @@ -4350,19 +4234,20 @@ static int stli_getbrdstats(combrd_t __user *bp) * Resolve the referenced port number into a port struct pointer. */ -static stliport_t *stli_getport(int brdnr, int panelnr, int portnr) +static struct stliport *stli_getport(unsigned int brdnr, unsigned int panelnr, + unsigned int portnr) { - stlibrd_t *brdp; - int i; + struct stlibrd *brdp; + unsigned int i; - if (brdnr < 0 || brdnr >= STL_MAXBRDS) + if (brdnr >= STL_MAXBRDS) return NULL; brdp = stli_brds[brdnr]; if (brdp == NULL) return NULL; for (i = 0; (i < panelnr); i++) portnr += brdp->panels[i]; - if ((portnr < 0) || (portnr >= brdp->nrports)) + if (portnr >= brdp->nrports) return NULL; return brdp->ports[portnr]; } @@ -4375,10 +4260,10 @@ static stliport_t *stli_getport(int brdnr, int panelnr, int portnr) * what port to get stats for (used through board control device). */ -static int stli_portcmdstats(stliport_t *portp) +static int stli_portcmdstats(struct stliport *portp) { unsigned long flags; - stlibrd_t *brdp; + struct stlibrd *brdp; int rc; memset(&stli_comstats, 0, sizeof(comstats_t)); @@ -4449,9 +4334,9 @@ static int stli_portcmdstats(stliport_t *portp) * what port to get stats for (used through board control device). */ -static int stli_getportstats(stliport_t *portp, comstats_t __user *cp) +static int stli_getportstats(struct stliport *portp, comstats_t __user *cp) { - stlibrd_t *brdp; + struct stlibrd *brdp; int rc; if (!portp) { @@ -4480,9 +4365,9 @@ static int stli_getportstats(stliport_t *portp, comstats_t __user *cp) * Clear the port stats structure. We also return it zeroed out... */ -static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp) +static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp) { - stlibrd_t *brdp; + struct stlibrd *brdp; int rc; if (!portp) { @@ -4519,17 +4404,18 @@ static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp) * Return the entire driver ports structure to a user app. */ -static int stli_getportstruct(stliport_t __user *arg) +static int stli_getportstruct(struct stliport __user *arg) { - stliport_t *portp; + struct stliport stli_dummyport; + struct stliport *portp; - if (copy_from_user(&stli_dummyport, arg, sizeof(stliport_t))) + if (copy_from_user(&stli_dummyport, arg, sizeof(struct stliport))) return -EFAULT; portp = stli_getport(stli_dummyport.brdnr, stli_dummyport.panelnr, stli_dummyport.portnr); if (!portp) return -ENODEV; - if (copy_to_user(arg, portp, sizeof(stliport_t))) + if (copy_to_user(arg, portp, sizeof(struct stliport))) return -EFAULT; return 0; } @@ -4540,18 +4426,19 @@ static int stli_getportstruct(stliport_t __user *arg) * Return the entire driver board structure to a user app. */ -static int stli_getbrdstruct(stlibrd_t __user *arg) +static int stli_getbrdstruct(struct stlibrd __user *arg) { - stlibrd_t *brdp; + struct stlibrd stli_dummybrd; + struct stlibrd *brdp; - if (copy_from_user(&stli_dummybrd, arg, sizeof(stlibrd_t))) + if (copy_from_user(&stli_dummybrd, arg, sizeof(struct stlibrd))) return -EFAULT; - if ((stli_dummybrd.brdnr < 0) || (stli_dummybrd.brdnr >= STL_MAXBRDS)) + if (stli_dummybrd.brdnr >= STL_MAXBRDS) return -ENODEV; brdp = stli_brds[stli_dummybrd.brdnr]; if (!brdp) return -ENODEV; - if (copy_to_user(arg, brdp, sizeof(stlibrd_t))) + if (copy_to_user(arg, brdp, sizeof(struct stlibrd))) return -EFAULT; return 0; } @@ -4566,7 +4453,7 @@ static int stli_getbrdstruct(stlibrd_t __user *arg) static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg) { - stlibrd_t *brdp; + struct stlibrd *brdp; int brdnr, rc, done; void __user *argp = (void __user *)arg; @@ -4665,46 +4552,53 @@ static const struct tty_operations stli_ops = { }; /*****************************************************************************/ +/* + * Loadable module initialization stuff. + */ + +static void istallion_cleanup_isa(void) +{ + struct stlibrd *brdp; + unsigned int j; + + for (j = 0; (j < stli_nrbrds); j++) { + if ((brdp = stli_brds[j]) == NULL || (brdp->state & BST_PROBED)) + continue; + + stli_cleanup_ports(brdp); -static int __init stli_init(void) + iounmap(brdp->membase); + if (brdp->iosize > 0) + release_region(brdp->iobase, brdp->iosize); + kfree(brdp); + stli_brds[j] = NULL; + } +} + +static int __init istallion_module_init(void) { - int i; + unsigned int i; + int retval; + printk(KERN_INFO "%s: version %s\n", stli_drvtitle, stli_drvversion); spin_lock_init(&stli_lock); spin_lock_init(&brd_lock); - stli_initbrds(); - - stli_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS); - if (!stli_serial) - return -ENOMEM; - -/* - * Allocate a temporary write buffer. - */ stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL); - if (!stli_txcookbuf) + if (!stli_txcookbuf) { printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", STLI_TXBUFSIZE); + retval = -ENOMEM; + goto err; + } -/* - * Set up a character driver for the shared memory region. We need this - * to down load the slave code image. Also it is a useful debugging tool. - */ - if (register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stli_fsiomem)) - printk(KERN_ERR "STALLION: failed to register serial memory " - "device\n"); - - istallion_class = class_create(THIS_MODULE, "staliomem"); - for (i = 0; i < 4; i++) - class_device_create(istallion_class, NULL, - MKDEV(STL_SIOMEMMAJOR, i), - NULL, "staliomem%d", i); + stli_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS); + if (!stli_serial) { + retval = -ENOMEM; + goto err_free; + } -/* - * Set up the tty driver structure and register us as a driver. - */ stli_serial->owner = THIS_MODULE; stli_serial->driver_name = stli_drvname; stli_serial->name = stli_serialname; @@ -4713,15 +4607,79 @@ static int __init stli_init(void) stli_serial->type = TTY_DRIVER_TYPE_SERIAL; stli_serial->subtype = SERIAL_TYPE_NORMAL; stli_serial->init_termios = stli_deftermios; - stli_serial->flags = TTY_DRIVER_REAL_RAW; + stli_serial->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; tty_set_operations(stli_serial, &stli_ops); - if (tty_register_driver(stli_serial)) { - put_tty_driver(stli_serial); + retval = tty_register_driver(stli_serial); + if (retval) { printk(KERN_ERR "STALLION: failed to register serial driver\n"); - return -EBUSY; + goto err_ttyput; } + + retval = stli_initbrds(); + if (retval) + goto err_ttyunr; + +/* + * Set up a character driver for the shared memory region. We need this + * to down load the slave code image. Also it is a useful debugging tool. + */ + retval = register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stli_fsiomem); + if (retval) { + printk(KERN_ERR "STALLION: failed to register serial memory " + "device\n"); + goto err_deinit; + } + + istallion_class = class_create(THIS_MODULE, "staliomem"); + for (i = 0; i < 4; i++) + class_device_create(istallion_class, NULL, + MKDEV(STL_SIOMEMMAJOR, i), + NULL, "staliomem%d", i); + return 0; +err_deinit: + pci_unregister_driver(&stli_pcidriver); + istallion_cleanup_isa(); +err_ttyunr: + tty_unregister_driver(stli_serial); +err_ttyput: + put_tty_driver(stli_serial); +err_free: + kfree(stli_txcookbuf); +err: + return retval; } /*****************************************************************************/ + +static void __exit istallion_module_exit(void) +{ + unsigned int j; + + printk(KERN_INFO "Unloading %s: version %s\n", stli_drvtitle, + stli_drvversion); + + if (stli_timeron) { + stli_timeron = 0; + del_timer_sync(&stli_timerlist); + } + + unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"); + + for (j = 0; j < 4; j++) + class_device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, + j)); + class_destroy(istallion_class); + + pci_unregister_driver(&stli_pcidriver); + istallion_cleanup_isa(); + + tty_unregister_driver(stli_serial); + put_tty_driver(stli_serial); + + kfree(stli_txcookbuf); +} + +module_init(istallion_module_init); +module_exit(istallion_module_exit); diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c index da601fd6c07..d649abbf085 100644 --- a/drivers/char/lcd.c +++ b/drivers/char/lcd.c @@ -459,7 +459,7 @@ static int lcd_ioctl(struct inode *inode, struct file *file, (&display, (struct lcd_display *) arg, sizeof(struct lcd_display))) return -EFAULT; - rom = (unsigned char *) kmalloc((128), GFP_ATOMIC); + rom = kmalloc((128), GFP_ATOMIC); if (rom == NULL) { printk(KERN_ERR LCD "kmalloc() failed in %s\n", __FUNCTION__); diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 1ecea7d448f..b51d08be0bc 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -296,7 +296,7 @@ static int lp_wait_ready(int minor, int nonblock) static ssize_t lp_write(struct file * file, const char __user * buf, size_t count, loff_t *ppos) { - unsigned int minor = iminor(file->f_dentry->d_inode); + unsigned int minor = iminor(file->f_path.dentry->d_inode); struct parport *port = lp_table[minor].dev->port; char *kbuf = lp_table[minor].lp_buffer; ssize_t retv = 0; @@ -415,7 +415,7 @@ static ssize_t lp_read(struct file * file, char __user * buf, size_t count, loff_t *ppos) { DEFINE_WAIT(wait); - unsigned int minor=iminor(file->f_dentry->d_inode); + unsigned int minor=iminor(file->f_path.dentry->d_inode); struct parport *port = lp_table[minor].dev->port; ssize_t retval = 0; char *kbuf = lp_table[minor].lp_buffer; @@ -525,7 +525,7 @@ static int lp_open(struct inode * inode, struct file * file) return -EIO; } } - lp_table[minor].lp_buffer = (char *) kmalloc(LP_BUFFER_SIZE, GFP_KERNEL); + lp_table[minor].lp_buffer = kmalloc(LP_BUFFER_SIZE, GFP_KERNEL); if (!lp_table[minor].lp_buffer) { LP_F(minor) &= ~LP_BUSY; return -ENOMEM; diff --git a/drivers/char/mem.c b/drivers/char/mem.c index e67eef4867b..f5c160caf9f 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -293,8 +293,8 @@ static int mmap_kmem(struct file * file, struct vm_area_struct * vma) { unsigned long pfn; - /* Turn a pfn offset into an absolute pfn */ - pfn = PFN_DOWN(virt_to_phys((void *)PAGE_OFFSET)) + vma->vm_pgoff; + /* Turn a kernel-virtual address into a physical page frame */ + pfn = __pa((u64)vma->vm_pgoff << PAGE_SHIFT) >> PAGE_SHIFT; /* * RED-PEN: on some architectures there is more mapped memory @@ -646,7 +646,8 @@ static inline size_t read_zero_pagealigned(char __user * buf, size_t size) count = size; zap_page_range(vma, addr, count, NULL); - zeromap_page_range(vma, addr, count, PAGE_COPY); + if (zeromap_page_range(vma, addr, count, PAGE_COPY)) + break; size -= count; buf += count; @@ -713,11 +714,14 @@ out: static int mmap_zero(struct file * file, struct vm_area_struct * vma) { + int err; + if (vma->vm_flags & VM_SHARED) return shmem_zero_setup(vma); - if (zeromap_page_range(vma, vma->vm_start, vma->vm_end - vma->vm_start, vma->vm_page_prot)) - return -EAGAIN; - return 0; + err = zeromap_page_range(vma, vma->vm_start, + vma->vm_end - vma->vm_start, vma->vm_page_prot); + BUG_ON(err == -EEXIST); + return err; } #else /* CONFIG_MMU */ static ssize_t read_zero(struct file * file, char * buf, @@ -774,7 +778,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig) { loff_t ret; - mutex_lock(&file->f_dentry->d_inode->i_mutex); + mutex_lock(&file->f_path.dentry->d_inode->i_mutex); switch (orig) { case 0: file->f_pos = offset; @@ -789,7 +793,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig) default: ret = -EINVAL; } - mutex_unlock(&file->f_dentry->d_inode->i_mutex); + mutex_unlock(&file->f_path.dentry->d_inode->i_mutex); return ret; } diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 8b316953173..f391a24a1b4 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -234,7 +234,7 @@ static void moxa_put_char(struct tty_struct *, unsigned char); static int moxa_ioctl(struct tty_struct *, struct file *, unsigned int, unsigned long); static void moxa_throttle(struct tty_struct *); static void moxa_unthrottle(struct tty_struct *); -static void moxa_set_termios(struct tty_struct *, struct termios *); +static void moxa_set_termios(struct tty_struct *, struct ktermios *); static void moxa_stop(struct tty_struct *); static void moxa_start(struct tty_struct *); static void moxa_hangup(struct tty_struct *); @@ -261,7 +261,7 @@ static void MoxaPortEnable(int); static void MoxaPortDisable(int); static long MoxaPortGetMaxBaud(int); static long MoxaPortSetBaud(int, long); -static int MoxaPortSetTermio(int, struct termios *, speed_t); +static int MoxaPortSetTermio(int, struct ktermios *, speed_t); static int MoxaPortGetLineOut(int, int *, int *); static void MoxaPortLineCtrl(int, int, int); static void MoxaPortFlowCtrl(int, int, int, int, int, int); @@ -355,6 +355,8 @@ static int __init moxa_init(void) moxaDriver->init_termios.c_oflag = 0; moxaDriver->init_termios.c_cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL; moxaDriver->init_termios.c_lflag = 0; + moxaDriver->init_termios.c_ispeed = 9600; + moxaDriver->init_termios.c_ospeed = 9600; moxaDriver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(moxaDriver, &moxa_ops); @@ -864,7 +866,7 @@ static void moxa_unthrottle(struct tty_struct *tty) } static void moxa_set_termios(struct tty_struct *tty, - struct termios *old_termios) + struct ktermios *old_termios) { struct moxa_str *ch = (struct moxa_str *) tty->driver_data; @@ -978,7 +980,7 @@ static void moxa_poll(unsigned long ignored) static void set_tty_param(struct tty_struct *tty) { - register struct termios *ts; + register struct ktermios *ts; struct moxa_str *ch; int rts, cts, txflow, rxflow, xany; @@ -1149,7 +1151,7 @@ static void shut_down(struct moxa_str *ch) static void receive_data(struct moxa_str *ch) { struct tty_struct *tp; - struct termios *ts; + struct ktermios *ts; unsigned long flags; ts = NULL; @@ -1912,9 +1914,9 @@ int MoxaPortsOfCard(int cardno) * * Function 12: Configure the port. * Syntax: - * int MoxaPortSetTermio(int port, struct termios *termio, speed_t baud); + * int MoxaPortSetTermio(int port, struct ktermios *termio, speed_t baud); * int port : port number (0 - 127) - * struct termios * termio : termio structure pointer + * struct ktermios * termio : termio structure pointer * speed_t baud : baud rate * * return: -1 : this port is invalid or termio == NULL @@ -2195,7 +2197,7 @@ long MoxaPortSetBaud(int port, long baud) return (baud); } -int MoxaPortSetTermio(int port, struct termios *termio, speed_t baud) +int MoxaPortSetTermio(int port, struct ktermios *termio, speed_t baud) { void __iomem *ofsAddr; tcflag_t cflag; diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 5ed2486b758..83f604b1929 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -328,8 +328,8 @@ struct mxser_struct { int xmit_tail; int xmit_cnt; struct work_struct tqueue; - struct termios normal_termios; - struct termios callout_termios; + struct ktermios normal_termios; + struct ktermios callout_termios; wait_queue_head_t open_wait; wait_queue_head_t close_wait; wait_queue_head_t delta_msr_wait; @@ -364,8 +364,8 @@ static int mxserBoardCAP[MXSER_BOARDS] = { static struct tty_driver *mxvar_sdriver; static struct mxser_struct mxvar_table[MXSER_PORTS]; static struct tty_struct *mxvar_tty[MXSER_PORTS + 1]; -static struct termios *mxvar_termios[MXSER_PORTS + 1]; -static struct termios *mxvar_termios_locked[MXSER_PORTS + 1]; +static struct ktermios *mxvar_termios[MXSER_PORTS + 1]; +static struct ktermios *mxvar_termios_locked[MXSER_PORTS + 1]; static struct mxser_log mxvar_log; static int mxvar_diagflag; static unsigned char mxser_msr[MXSER_PORTS + 1]; @@ -402,7 +402,7 @@ static int mxser_ioctl(struct tty_struct *, struct file *, uint, ulong); static int mxser_ioctl_special(unsigned int, void __user *); static void mxser_throttle(struct tty_struct *); static void mxser_unthrottle(struct tty_struct *); -static void mxser_set_termios(struct tty_struct *, struct termios *); +static void mxser_set_termios(struct tty_struct *, struct ktermios *); static void mxser_stop(struct tty_struct *); static void mxser_start(struct tty_struct *); static void mxser_hangup(struct tty_struct *); @@ -414,7 +414,7 @@ static void mxser_check_modem_status(struct mxser_struct *, int); static int mxser_block_til_ready(struct tty_struct *, struct file *, struct mxser_struct *); static int mxser_startup(struct mxser_struct *); static void mxser_shutdown(struct mxser_struct *); -static int mxser_change_speed(struct mxser_struct *, struct termios *old_termios); +static int mxser_change_speed(struct mxser_struct *, struct ktermios *old_termios); static int mxser_get_serial_info(struct mxser_struct *, struct serial_struct __user *); static int mxser_set_serial_info(struct mxser_struct *, struct serial_struct __user *); static int mxser_get_lsr_info(struct mxser_struct *, unsigned int __user *); @@ -515,6 +515,7 @@ static void __exit mxser_module_exit(void) if (pdev != NULL) { /* PCI */ release_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); release_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3)); + pci_dev_put(pdev); } else { release_region(mxsercfg[i].ioaddr[0], 8 * mxsercfg[i].ports); release_region(mxsercfg[i].vector, 1); @@ -556,7 +557,7 @@ static int mxser_initbrd(int board, struct mxser_hwconf *hwconf) n = board * MXSER_PORTS_PER_BOARD; info = &mxvar_table[n]; /*if (verbose) */ { - printk(KERN_DEBUG " ttyM%d - ttyM%d ", + printk(KERN_DEBUG " ttyMI%d - ttyMI%d ", n, n + hwconf->ports - 1); printk(" max. baud rate = %d bps.\n", hwconf->MaxCanSetBaudRate[0]); @@ -716,8 +717,9 @@ static int mxser_init(void) /* Initialize the tty_driver structure */ memset(mxvar_sdriver, 0, sizeof(struct tty_driver)); + mxvar_sdriver->owner = THIS_MODULE; mxvar_sdriver->magic = TTY_DRIVER_MAGIC; - mxvar_sdriver->name = "ttyM"; + mxvar_sdriver->name = "ttyMI"; mxvar_sdriver->major = ttymajor; mxvar_sdriver->minor_start = 0; mxvar_sdriver->num = MXSER_PORTS + 1; @@ -725,6 +727,8 @@ static int mxser_init(void) mxvar_sdriver->subtype = SERIAL_TYPE_NORMAL; mxvar_sdriver->init_termios = tty_std_termios; mxvar_sdriver->init_termios.c_cflag = B9600|CS8|CREAD|HUPCL|CLOCAL; + mxvar_sdriver->init_termios.c_ispeed = 9600; + mxvar_sdriver->init_termios.c_ospeed = 9600; mxvar_sdriver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(mxvar_sdriver, &mxser_ops); mxvar_sdriver->ttys = mxvar_tty; @@ -839,9 +843,9 @@ static int mxser_init(void) index = 0; b = 0; while (b < n) { - pdev = pci_find_device(mxser_pcibrds[b].vendor, + pdev = pci_get_device(mxser_pcibrds[b].vendor, mxser_pcibrds[b].device, pdev); - if (pdev == NULL) { + if (pdev == NULL) { b++; continue; } @@ -893,6 +897,9 @@ static int mxser_init(void) if (mxser_initbrd(m, &hwconf) < 0) continue; m++; + /* Keep an extra reference if we succeeded. It will + be returned at unload time */ + pci_dev_get(pdev); } } #endif @@ -994,7 +1001,7 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) mxser_change_speed(info, NULL); } - info->session = current->signal->session; + info->session = process_session(current); info->pgrp = process_group(current); /* @@ -1745,7 +1752,7 @@ static void mxser_unthrottle(struct tty_struct *tty) /* MX_UNLOCK(&info->slock); */ } -static void mxser_set_termios(struct tty_struct *tty, struct termios *old_termios) +static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct mxser_struct *info = tty->driver_data; unsigned long flags; @@ -2537,7 +2544,7 @@ static void mxser_shutdown(struct mxser_struct *info) * This routine is called to set the UART divisor registers to match * the specified baud rate for a serial port. */ -static int mxser_change_speed(struct mxser_struct *info, struct termios *old_termios) +static int mxser_change_speed(struct mxser_struct *info, struct ktermios *old_termios) { unsigned cflag, cval, fcr; int ret = 0; diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c new file mode 100644 index 00000000000..1bb030b3a51 --- /dev/null +++ b/drivers/char/mxser_new.c @@ -0,0 +1,2813 @@ +/* + * mxser.c -- MOXA Smartio/Industio family multiport serial driver. + * + * Copyright (C) 1999-2006 Moxa Technologies (support@moxa.com.tw). + * Copyright (C) 2006 Jiri Slaby <jirislaby@gmail.com> + * + * This code is loosely based on the 1.8 moxa driver which is based on + * Linux serial driver, written by Linus Torvalds, Theodore T'so and + * others. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Fed through a cleanup, indent and remove of non 2.6 code by Alan Cox + * <alan@redhat.com>. The original 1.8 code is available on www.moxa.com. + * - Fixed x86_64 cleanness + * - Fixed sleep with spinlock held in mxser_send_break + */ + +#include <linux/module.h> +#include <linux/autoconf.h> +#include <linux/errno.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/tty.h> +#include <linux/tty_flip.h> +#include <linux/serial.h> +#include <linux/serial_reg.h> +#include <linux/major.h> +#include <linux/string.h> +#include <linux/fcntl.h> +#include <linux/ptrace.h> +#include <linux/gfp.h> +#include <linux/ioport.h> +#include <linux/mm.h> +#include <linux/smp_lock.h> +#include <linux/delay.h> +#include <linux/pci.h> + +#include <asm/system.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/bitops.h> +#include <asm/uaccess.h> + +#include "mxser_new.h" + +#define MXSER_VERSION "2.0" +#define MXSERMAJOR 174 +#define MXSERCUMAJOR 175 + +#define MXSER_EVENT_TXLOW 1 + +#define MXSER_BOARDS 4 /* Max. boards */ +#define MXSER_PORTS_PER_BOARD 8 /* Max. ports per board */ +#define MXSER_PORTS (MXSER_BOARDS * MXSER_PORTS_PER_BOARD) +#define MXSER_ISR_PASS_LIMIT 99999L + +#define MXSER_ERR_IOADDR -1 +#define MXSER_ERR_IRQ -2 +#define MXSER_ERR_IRQ_CONFLIT -3 +#define MXSER_ERR_VECTOR -4 + +#define WAKEUP_CHARS 256 + +#define UART_MCR_AFE 0x20 +#define UART_LSR_SPECIAL 0x1E + +#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\ + IXON|IXOFF)) + +#define C168_ASIC_ID 1 +#define C104_ASIC_ID 2 +#define C102_ASIC_ID 0xB +#define CI132_ASIC_ID 4 +#define CI134_ASIC_ID 3 +#define CI104J_ASIC_ID 5 + +#define MXSER_HIGHBAUD 1 +#define MXSER_HAS2 2 + +/* This is only for PCI */ +static const struct { + int type; + int tx_fifo; + int rx_fifo; + int xmit_fifo_size; + int rx_high_water; + int rx_trigger; + int rx_low_water; + long max_baud; +} Gpci_uart_info[] = { + {MOXA_OTHER_UART, 16, 16, 16, 14, 14, 1, 921600L}, + {MOXA_MUST_MU150_HWID, 64, 64, 64, 48, 48, 16, 230400L}, + {MOXA_MUST_MU860_HWID, 128, 128, 128, 96, 96, 32, 921600L} +}; +#define UART_INFO_NUM ARRAY_SIZE(Gpci_uart_info) + +struct mxser_cardinfo { + unsigned int nports; + char *name; + unsigned int flags; +}; + +static const struct mxser_cardinfo mxser_cards[] = { + { 8, "C168 series", }, /* C168-ISA */ + { 4, "C104 series", }, /* C104-ISA */ + { 4, "CI-104J series", }, /* CI104J */ + { 8, "C168H/PCI series", }, /* C168-PCI */ + { 4, "C104H/PCI series", }, /* C104-PCI */ + { 4, "C102 series", MXSER_HAS2 }, /* C102-ISA */ + { 4, "CI-132 series", MXSER_HAS2 }, /* CI132 */ + { 4, "CI-134 series", }, /* CI134 */ + { 2, "CP-132 series", }, /* CP132 */ + { 4, "CP-114 series", }, /* CP114 */ + { 4, "CT-114 series", }, /* CT114 */ + { 2, "CP-102 series", MXSER_HIGHBAUD }, /* CP102 */ + { 4, "CP-104U series", }, /* CP104U */ + { 8, "CP-168U series", }, /* CP168U */ + { 2, "CP-132U series", }, /* CP132U */ + { 4, "CP-134U series", }, /* CP134U */ + { 4, "CP-104JU series", }, /* CP104JU */ + { 8, "Moxa UC7000 Serial", }, /* RC7000 */ + { 8, "CP-118U series", }, /* CP118U */ + { 2, "CP-102UL series", }, /* CP102UL */ + { 2, "CP-102U series", }, /* CP102U */ + { 8, "CP-118EL series", }, /* CP118EL */ + { 8, "CP-168EL series", }, /* CP168EL */ + { 4, "CP-104EL series", } /* CP104EL */ +}; + +/* driver_data correspond to the lines in the structure above + see also ISA probe function before you change something */ +static struct pci_device_id mxser_pcibrds[] = { + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C168), + .driver_data = 3 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C104), + .driver_data = 4 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP132), + .driver_data = 8 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP114), + .driver_data = 9 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CT114), + .driver_data = 10 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102), + .driver_data = 11 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104U), + .driver_data = 12 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP168U), + .driver_data = 13 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP132U), + .driver_data = 14 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP134U), + .driver_data = 15 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104JU), + .driver_data = 16 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_RC7000), + .driver_data = 17 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118U), + .driver_data = 18 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102UL), + .driver_data = 19 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102U), + .driver_data = 20 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118EL), + .driver_data = 21 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP168EL), + .driver_data = 22 }, + { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104EL), + .driver_data = 23 }, + { } +}; +MODULE_DEVICE_TABLE(pci, mxser_pcibrds); + +static int ioaddr[MXSER_BOARDS] = { 0, 0, 0, 0 }; +static int ttymajor = MXSERMAJOR; +static int calloutmajor = MXSERCUMAJOR; + +/* Variables for insmod */ + +MODULE_AUTHOR("Casper Yang"); +MODULE_DESCRIPTION("MOXA Smartio/Industio Family Multiport Board Device Driver"); +module_param_array(ioaddr, int, NULL, 0); +module_param(ttymajor, int, 0); +MODULE_LICENSE("GPL"); + +struct mxser_log { + int tick; + unsigned long rxcnt[MXSER_PORTS]; + unsigned long txcnt[MXSER_PORTS]; +}; + + +struct mxser_mon { + unsigned long rxcnt; + unsigned long txcnt; + unsigned long up_rxcnt; + unsigned long up_txcnt; + int modem_status; + unsigned char hold_reason; +}; + +struct mxser_mon_ext { + unsigned long rx_cnt[32]; + unsigned long tx_cnt[32]; + unsigned long up_rxcnt[32]; + unsigned long up_txcnt[32]; + int modem_status[32]; + + long baudrate[32]; + int databits[32]; + int stopbits[32]; + int parity[32]; + int flowctrl[32]; + int fifo[32]; + int iftype[32]; +}; + +struct mxser_board; + +struct mxser_port { + struct mxser_board *board; + struct tty_struct *tty; + + unsigned long ioaddr; + unsigned long opmode_ioaddr; + int max_baud; + + int rx_high_water; + int rx_trigger; /* Rx fifo trigger level */ + int rx_low_water; + int baud_base; /* max. speed */ + long realbaud; + int type; /* UART type */ + int flags; /* defined in tty.h */ + long session; /* Session of opening process */ + long pgrp; /* pgrp of opening process */ + + int x_char; /* xon/xoff character */ + int IER; /* Interrupt Enable Register */ + int MCR; /* Modem control register */ + + unsigned char stop_rx; + unsigned char ldisc_stop_rx; + + int custom_divisor; + int close_delay; + unsigned short closing_wait; + unsigned char err_shadow; + unsigned long event; + + int count; /* # of fd on device */ + int blocked_open; /* # of blocked opens */ + struct async_icount icount; /* kernel counters for 4 input interrupts */ + int timeout; + + int read_status_mask; + int ignore_status_mask; + int xmit_fifo_size; + unsigned char *xmit_buf; + int xmit_head; + int xmit_tail; + int xmit_cnt; + + struct ktermios normal_termios; + struct ktermios callout_termios; + + struct mxser_mon mon_data; + + spinlock_t slock; + struct work_struct tqueue; + wait_queue_head_t open_wait; + wait_queue_head_t close_wait; + wait_queue_head_t delta_msr_wait; +}; + +struct mxser_board { + unsigned int idx; + int irq; + const struct mxser_cardinfo *info; + unsigned long vector; + unsigned long vector_mask; + + int chip_flag; + int uart_type; + + struct mxser_port ports[MXSER_PORTS_PER_BOARD]; +}; + +struct mxser_mstatus { + tcflag_t cflag; + int cts; + int dsr; + int ri; + int dcd; +}; + +static struct mxser_mstatus GMStatus[MXSER_PORTS]; + +static int mxserBoardCAP[MXSER_BOARDS] = { + 0, 0, 0, 0 + /* 0x180, 0x280, 0x200, 0x320 */ +}; + +static struct mxser_board mxser_boards[MXSER_BOARDS]; +static struct tty_driver *mxvar_sdriver; +static struct mxser_log mxvar_log; +static int mxvar_diagflag; +static unsigned char mxser_msr[MXSER_PORTS + 1]; +static struct mxser_mon_ext mon_data_ext; +static int mxser_set_baud_method[MXSER_PORTS + 1]; +static spinlock_t gm_lock; + +#ifdef CONFIG_PCI +static int CheckIsMoxaMust(int io) +{ + u8 oldmcr, hwid; + int i; + + outb(0, io + UART_LCR); + DISABLE_MOXA_MUST_ENCHANCE_MODE(io); + oldmcr = inb(io + UART_MCR); + outb(0, io + UART_MCR); + SET_MOXA_MUST_XON1_VALUE(io, 0x11); + if ((hwid = inb(io + UART_MCR)) != 0) { + outb(oldmcr, io + UART_MCR); + return MOXA_OTHER_UART; + } + + GET_MOXA_MUST_HARDWARE_ID(io, &hwid); + for (i = 1; i < UART_INFO_NUM; i++) { /* 0 = OTHER_UART */ + if (hwid == Gpci_uart_info[i].type) + return (int)hwid; + } + return MOXA_OTHER_UART; +} +#endif + +static void process_txrx_fifo(struct mxser_port *info) +{ + int i; + + if ((info->type == PORT_16450) || (info->type == PORT_8250)) { + info->rx_trigger = 1; + info->rx_high_water = 1; + info->rx_low_water = 1; + info->xmit_fifo_size = 1; + } else + for (i = 0; i < UART_INFO_NUM; i++) + if (info->board->chip_flag == Gpci_uart_info[i].type) { + info->rx_trigger = Gpci_uart_info[i].rx_trigger; + info->rx_low_water = Gpci_uart_info[i].rx_low_water; + info->rx_high_water = Gpci_uart_info[i].rx_high_water; + info->xmit_fifo_size = Gpci_uart_info[i].xmit_fifo_size; + break; + } +} + +static void mxser_do_softint(struct work_struct *work) +{ + struct mxser_port *info = container_of(work, struct mxser_port, tqueue); + struct tty_struct *tty = info->tty; + + if (test_and_clear_bit(MXSER_EVENT_TXLOW, &info->event)) + tty_wakeup(tty); +} + +static unsigned char mxser_get_msr(int baseaddr, int mode, int port) +{ + unsigned char status = 0; + + status = inb(baseaddr + UART_MSR); + + mxser_msr[port] &= 0x0F; + mxser_msr[port] |= status; + status = mxser_msr[port]; + if (mode) + mxser_msr[port] = 0; + + return status; +} + +static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, + struct mxser_port *port) +{ + DECLARE_WAITQUEUE(wait, current); + int retval; + int do_clocal = 0; + unsigned long flags; + + /* + * If non-blocking mode is set, or the port is not enabled, + * then make the check up front and then exit. + */ + if ((filp->f_flags & O_NONBLOCK) || + test_bit(TTY_IO_ERROR, &tty->flags)) { + port->flags |= ASYNC_NORMAL_ACTIVE; + return 0; + } + + if (tty->termios->c_cflag & CLOCAL) + do_clocal = 1; + + /* + * Block waiting for the carrier detect and the line to become + * free (i.e., not in use by the callout). While we are in + * this loop, port->count is dropped by one, so that + * mxser_close() knows when to free things. We restore it upon + * exit, either normal or abnormal. + */ + retval = 0; + add_wait_queue(&port->open_wait, &wait); + + spin_lock_irqsave(&port->slock, flags); + if (!tty_hung_up_p(filp)) + port->count--; + spin_unlock_irqrestore(&port->slock, flags); + port->blocked_open++; + while (1) { + spin_lock_irqsave(&port->slock, flags); + outb(inb(port->ioaddr + UART_MCR) | + UART_MCR_DTR | UART_MCR_RTS, port->ioaddr + UART_MCR); + spin_unlock_irqrestore(&port->slock, flags); + set_current_state(TASK_INTERRUPTIBLE); + if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) { + if (port->flags & ASYNC_HUP_NOTIFY) + retval = -EAGAIN; + else + retval = -ERESTARTSYS; + break; + } + if (!(port->flags & ASYNC_CLOSING) && + (do_clocal || + (inb(port->ioaddr + UART_MSR) & UART_MSR_DCD))) + break; + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } + schedule(); + } + set_current_state(TASK_RUNNING); + remove_wait_queue(&port->open_wait, &wait); + if (!tty_hung_up_p(filp)) + port->count++; + port->blocked_open--; + if (retval) + return retval; + port->flags |= ASYNC_NORMAL_ACTIVE; + return 0; +} + +static int mxser_set_baud(struct mxser_port *info, long newspd) +{ + int quot = 0; + unsigned char cval; + int ret = 0; + unsigned long flags; + + if (!info->tty || !info->tty->termios) + return ret; + + if (!(info->ioaddr)) + return ret; + + if (newspd > info->max_baud) + return 0; + + info->realbaud = newspd; + if (newspd == 134) { + quot = (2 * info->baud_base / 269); + } else if (newspd) { + quot = info->baud_base / newspd; + if (quot == 0) + quot = 1; + } else { + quot = 0; + } + + info->timeout = ((info->xmit_fifo_size * HZ * 10 * quot) / info->baud_base); + info->timeout += HZ / 50; /* Add .02 seconds of slop */ + + if (quot) { + spin_lock_irqsave(&info->slock, flags); + info->MCR |= UART_MCR_DTR; + outb(info->MCR, info->ioaddr + UART_MCR); + spin_unlock_irqrestore(&info->slock, flags); + } else { + spin_lock_irqsave(&info->slock, flags); + info->MCR &= ~UART_MCR_DTR; + outb(info->MCR, info->ioaddr + UART_MCR); + spin_unlock_irqrestore(&info->slock, flags); + return ret; + } + + cval = inb(info->ioaddr + UART_LCR); + + outb(cval | UART_LCR_DLAB, info->ioaddr + UART_LCR); /* set DLAB */ + + outb(quot & 0xff, info->ioaddr + UART_DLL); /* LS of divisor */ + outb(quot >> 8, info->ioaddr + UART_DLM); /* MS of divisor */ + outb(cval, info->ioaddr + UART_LCR); /* reset DLAB */ + + + return ret; +} + +/* + * This routine is called to set the UART divisor registers to match + * the specified baud rate for a serial port. + */ +static int mxser_change_speed(struct mxser_port *info, + struct ktermios *old_termios) +{ + unsigned cflag, cval, fcr; + int ret = 0; + unsigned char status; + long baud; + unsigned long flags; + + if (!info->tty || !info->tty->termios) + return ret; + cflag = info->tty->termios->c_cflag; + if (!(info->ioaddr)) + return ret; + + if (mxser_set_baud_method[info->tty->index] == 0) { + baud = tty_get_baud_rate(info->tty); + mxser_set_baud(info, baud); + } + + /* byte size and parity */ + switch (cflag & CSIZE) { + case CS5: + cval = 0x00; + break; + case CS6: + cval = 0x01; + break; + case CS7: + cval = 0x02; + break; + case CS8: + cval = 0x03; + break; + default: + cval = 0x00; + break; /* too keep GCC shut... */ + } + if (cflag & CSTOPB) + cval |= 0x04; + if (cflag & PARENB) + cval |= UART_LCR_PARITY; + if (!(cflag & PARODD)) + cval |= UART_LCR_EPAR; + if (cflag & CMSPAR) + cval |= UART_LCR_SPAR; + + if ((info->type == PORT_8250) || (info->type == PORT_16450)) { + if (info->board->chip_flag) { + fcr = UART_FCR_ENABLE_FIFO; + fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE; + SET_MOXA_MUST_FIFO_VALUE(info); + } else + fcr = 0; + } else { + fcr = UART_FCR_ENABLE_FIFO; + if (info->board->chip_flag) { + fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE; + SET_MOXA_MUST_FIFO_VALUE(info); + } else { + switch (info->rx_trigger) { + case 1: + fcr |= UART_FCR_TRIGGER_1; + break; + case 4: + fcr |= UART_FCR_TRIGGER_4; + break; + case 8: + fcr |= UART_FCR_TRIGGER_8; + break; + default: + fcr |= UART_FCR_TRIGGER_14; + break; + } + } + } + + /* CTS flow control flag and modem status interrupts */ + info->IER &= ~UART_IER_MSI; + info->MCR &= ~UART_MCR_AFE; + if (cflag & CRTSCTS) { + info->flags |= ASYNC_CTS_FLOW; + info->IER |= UART_IER_MSI; + if ((info->type == PORT_16550A) || (info->board->chip_flag)) { + info->MCR |= UART_MCR_AFE; + } else { + status = inb(info->ioaddr + UART_MSR); + if (info->tty->hw_stopped) { + if (status & UART_MSR_CTS) { + info->tty->hw_stopped = 0; + if (info->type != PORT_16550A && + !info->board->chip_flag) { + outb(info->IER & ~UART_IER_THRI, + info->ioaddr + + UART_IER); + info->IER |= UART_IER_THRI; + outb(info->IER, info->ioaddr + + UART_IER); + } + set_bit(MXSER_EVENT_TXLOW, &info->event); + schedule_work(&info->tqueue); } + } else { + if (!(status & UART_MSR_CTS)) { + info->tty->hw_stopped = 1; + if ((info->type != PORT_16550A) && + (!info->board->chip_flag)) { + info->IER &= ~UART_IER_THRI; + outb(info->IER, info->ioaddr + + UART_IER); + } + } + } + } + } else { + info->flags &= ~ASYNC_CTS_FLOW; + } + outb(info->MCR, info->ioaddr + UART_MCR); + if (cflag & CLOCAL) { + info->flags &= ~ASYNC_CHECK_CD; + } else { + info->flags |= ASYNC_CHECK_CD; + info->IER |= UART_IER_MSI; + } + outb(info->IER, info->ioaddr + UART_IER); + + /* + * Set up parity check flag + */ + info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; + if (I_INPCK(info->tty)) + info->read_status_mask |= UART_LSR_FE | UART_LSR_PE; + if (I_BRKINT(info->tty) || I_PARMRK(info->tty)) + info->read_status_mask |= UART_LSR_BI; + + info->ignore_status_mask = 0; + + if (I_IGNBRK(info->tty)) { + info->ignore_status_mask |= UART_LSR_BI; + info->read_status_mask |= UART_LSR_BI; + /* + * If we're ignore parity and break indicators, ignore + * overruns too. (For real raw support). + */ + if (I_IGNPAR(info->tty)) { + info->ignore_status_mask |= + UART_LSR_OE | + UART_LSR_PE | + UART_LSR_FE; + info->read_status_mask |= + UART_LSR_OE | + UART_LSR_PE | + UART_LSR_FE; + } + } + if (info->board->chip_flag) { + spin_lock_irqsave(&info->slock, flags); + SET_MOXA_MUST_XON1_VALUE(info->ioaddr, START_CHAR(info->tty)); + SET_MOXA_MUST_XOFF1_VALUE(info->ioaddr, STOP_CHAR(info->tty)); + if (I_IXON(info->tty)) { + ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr); + } else { + DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr); + } + if (I_IXOFF(info->tty)) { + ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->ioaddr); + } else { + DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->ioaddr); + } + spin_unlock_irqrestore(&info->slock, flags); + } + + + outb(fcr, info->ioaddr + UART_FCR); /* set fcr */ + outb(cval, info->ioaddr + UART_LCR); + + return ret; +} + +static void mxser_check_modem_status(struct mxser_port *port, int status) +{ + /* update input line counters */ + if (status & UART_MSR_TERI) + port->icount.rng++; + if (status & UART_MSR_DDSR) + port->icount.dsr++; + if (status & UART_MSR_DDCD) + port->icount.dcd++; + if (status & UART_MSR_DCTS) + port->icount.cts++; + port->mon_data.modem_status = status; + wake_up_interruptible(&port->delta_msr_wait); + + if ((port->flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) { + if (status & UART_MSR_DCD) + wake_up_interruptible(&port->open_wait); + schedule_work(&port->tqueue); + } + + if (port->flags & ASYNC_CTS_FLOW) { + if (port->tty->hw_stopped) { + if (status & UART_MSR_CTS) { + port->tty->hw_stopped = 0; + + if ((port->type != PORT_16550A) && + (!port->board->chip_flag)) { + outb(port->IER & ~UART_IER_THRI, + port->ioaddr + UART_IER); + port->IER |= UART_IER_THRI; + outb(port->IER, port->ioaddr + + UART_IER); + } + set_bit(MXSER_EVENT_TXLOW, &port->event); + schedule_work(&port->tqueue); + } + } else { + if (!(status & UART_MSR_CTS)) { + port->tty->hw_stopped = 1; + if (port->type != PORT_16550A && + !port->board->chip_flag) { + port->IER &= ~UART_IER_THRI; + outb(port->IER, port->ioaddr + + UART_IER); + } + } + } + } +} + +static int mxser_startup(struct mxser_port *info) +{ + unsigned long page; + unsigned long flags; + + page = __get_free_page(GFP_KERNEL); + if (!page) + return -ENOMEM; + + spin_lock_irqsave(&info->slock, flags); + + if (info->flags & ASYNC_INITIALIZED) { + free_page(page); + spin_unlock_irqrestore(&info->slock, flags); + return 0; + } + + if (!info->ioaddr || !info->type) { + if (info->tty) + set_bit(TTY_IO_ERROR, &info->tty->flags); + free_page(page); + spin_unlock_irqrestore(&info->slock, flags); + return 0; + } + if (info->xmit_buf) + free_page(page); + else + info->xmit_buf = (unsigned char *) page; + + /* + * Clear the FIFO buffers and disable them + * (they will be reenabled in mxser_change_speed()) + */ + if (info->board->chip_flag) + outb((UART_FCR_CLEAR_RCVR | + UART_FCR_CLEAR_XMIT | + MOXA_MUST_FCR_GDA_MODE_ENABLE), info->ioaddr + UART_FCR); + else + outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT), + info->ioaddr + UART_FCR); + + /* + * At this point there's no way the LSR could still be 0xFF; + * if it is, then bail out, because there's likely no UART + * here. + */ + if (inb(info->ioaddr + UART_LSR) == 0xff) { + spin_unlock_irqrestore(&info->slock, flags); + if (capable(CAP_SYS_ADMIN)) { + if (info->tty) + set_bit(TTY_IO_ERROR, &info->tty->flags); + return 0; + } else + return -ENODEV; + } + + /* + * Clear the interrupt registers. + */ + (void) inb(info->ioaddr + UART_LSR); + (void) inb(info->ioaddr + UART_RX); + (void) inb(info->ioaddr + UART_IIR); + (void) inb(info->ioaddr + UART_MSR); + + /* + * Now, initialize the UART + */ + outb(UART_LCR_WLEN8, info->ioaddr + UART_LCR); /* reset DLAB */ + info->MCR = UART_MCR_DTR | UART_MCR_RTS; + outb(info->MCR, info->ioaddr + UART_MCR); + + /* + * Finally, enable interrupts + */ + info->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI; + + if (info->board->chip_flag) + info->IER |= MOXA_MUST_IER_EGDAI; + outb(info->IER, info->ioaddr + UART_IER); /* enable interrupts */ + + /* + * And clear the interrupt registers again for luck. + */ + (void) inb(info->ioaddr + UART_LSR); + (void) inb(info->ioaddr + UART_RX); + (void) inb(info->ioaddr + UART_IIR); + (void) inb(info->ioaddr + UART_MSR); + + if (info->tty) + clear_bit(TTY_IO_ERROR, &info->tty->flags); + info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; + + /* + * and set the speed of the serial port + */ + spin_unlock_irqrestore(&info->slock, flags); + mxser_change_speed(info, NULL); + + info->flags |= ASYNC_INITIALIZED; + return 0; +} + +/* + * This routine will shutdown a serial port; interrupts maybe disabled, and + * DTR is dropped if the hangup on close termio flag is on. + */ +static void mxser_shutdown(struct mxser_port *info) +{ + unsigned long flags; + + if (!(info->flags & ASYNC_INITIALIZED)) + return; + + spin_lock_irqsave(&info->slock, flags); + + /* + * clear delta_msr_wait queue to avoid mem leaks: we may free the irq + * here so the queue might never be waken up + */ + wake_up_interruptible(&info->delta_msr_wait); + + /* + * Free the IRQ, if necessary + */ + if (info->xmit_buf) { + free_page((unsigned long) info->xmit_buf); + info->xmit_buf = NULL; + } + + info->IER = 0; + outb(0x00, info->ioaddr + UART_IER); + + if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) + info->MCR &= ~(UART_MCR_DTR | UART_MCR_RTS); + outb(info->MCR, info->ioaddr + UART_MCR); + + /* clear Rx/Tx FIFO's */ + if (info->board->chip_flag) + outb(UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT | + MOXA_MUST_FCR_GDA_MODE_ENABLE, + info->ioaddr + UART_FCR); + else + outb(UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT, + info->ioaddr + UART_FCR); + + /* read data port to reset things */ + (void) inb(info->ioaddr + UART_RX); + + if (info->tty) + set_bit(TTY_IO_ERROR, &info->tty->flags); + + info->flags &= ~ASYNC_INITIALIZED; + + if (info->board->chip_flag) + SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(info->ioaddr); + + spin_unlock_irqrestore(&info->slock, flags); +} + +/* + * This routine is called whenever a serial port is opened. It + * enables interrupts for a serial port, linking in its async structure into + * the IRQ chain. It also performs the serial-specific + * initialization for the tty structure. + */ +static int mxser_open(struct tty_struct *tty, struct file *filp) +{ + struct mxser_port *info; + int retval, line; + + /* initialize driver_data in case something fails */ + tty->driver_data = NULL; + + line = tty->index; + if (line == MXSER_PORTS) + return 0; + if (line < 0 || line > MXSER_PORTS) + return -ENODEV; + info = &mxser_boards[line / MXSER_PORTS_PER_BOARD].ports[line % MXSER_PORTS_PER_BOARD]; + if (!info->ioaddr) + return -ENODEV; + + tty->driver_data = info; + info->tty = tty; + /* + * Start up serial port + */ + info->count++; + retval = mxser_startup(info); + if (retval) + return retval; + + retval = mxser_block_til_ready(tty, filp, info); + if (retval) + return retval; + + if ((info->count == 1) && (info->flags & ASYNC_SPLIT_TERMIOS)) { + if (tty->driver->subtype == SERIAL_TYPE_NORMAL) + *tty->termios = info->normal_termios; + else + *tty->termios = info->callout_termios; + mxser_change_speed(info, NULL); + } + + info->session = process_session(current); + info->pgrp = process_group(current); + + /* unmark here for very high baud rate (ex. 921600 bps) used */ + tty->low_latency = 1; + return 0; +} + +/* + * This routine is called when the serial port gets closed. First, we + * wait for the last remaining data to be sent. Then, we unlink its + * async structure from the interrupt chain if necessary, and we free + * that IRQ if nothing is left in the chain. + */ +static void mxser_close(struct tty_struct *tty, struct file *filp) +{ + struct mxser_port *info = tty->driver_data; + + unsigned long timeout; + unsigned long flags; + + if (tty->index == MXSER_PORTS) + return; + if (!info) + return; + + spin_lock_irqsave(&info->slock, flags); + + if (tty_hung_up_p(filp)) { + spin_unlock_irqrestore(&info->slock, flags); + return; + } + if ((tty->count == 1) && (info->count != 1)) { + /* + * Uh, oh. tty->count is 1, which means that the tty + * structure will be freed. Info->count should always + * be one in these conditions. If it's greater than + * one, we've got real problems, since it means the + * serial port won't be shutdown. + */ + printk(KERN_ERR "mxser_close: bad serial port count; " + "tty->count is 1, info->count is %d\n", info->count); + info->count = 1; + } + if (--info->count < 0) { + printk(KERN_ERR "mxser_close: bad serial port count for " + "ttys%d: %d\n", tty->index, info->count); + info->count = 0; + } + if (info->count) { + spin_unlock_irqrestore(&info->slock, flags); + return; + } + info->flags |= ASYNC_CLOSING; + spin_unlock_irqrestore(&info->slock, flags); + /* + * Save the termios structure, since this port may have + * separate termios for callout and dialin. + */ + if (info->flags & ASYNC_NORMAL_ACTIVE) + info->normal_termios = *tty->termios; + /* + * Now we wait for the transmit buffer to clear; and we notify + * the line discipline to only process XON/XOFF characters. + */ + tty->closing = 1; + if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) + tty_wait_until_sent(tty, info->closing_wait); + /* + * At this point we stop accepting input. To do this, we + * disable the receive line status interrupts, and tell the + * interrupt driver to stop checking the data ready bit in the + * line status register. + */ + info->IER &= ~UART_IER_RLSI; + if (info->board->chip_flag) + info->IER &= ~MOXA_MUST_RECV_ISR; + + if (info->flags & ASYNC_INITIALIZED) { + outb(info->IER, info->ioaddr + UART_IER); + /* + * Before we drop DTR, make sure the UART transmitter + * has completely drained; this is especially + * important if there is a transmit FIFO! + */ + timeout = jiffies + HZ; + while (!(inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT)) { + schedule_timeout_interruptible(5); + if (time_after(jiffies, timeout)) + break; + } + } + mxser_shutdown(info); + + if (tty->driver->flush_buffer) + tty->driver->flush_buffer(tty); + + tty_ldisc_flush(tty); + + tty->closing = 0; + info->event = 0; + info->tty = NULL; + if (info->blocked_open) { + if (info->close_delay) + schedule_timeout_interruptible(info->close_delay); + wake_up_interruptible(&info->open_wait); + } + + info->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING); + wake_up_interruptible(&info->close_wait); + +} + +static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int count) +{ + int c, total = 0; + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + if (!info->xmit_buf) + return 0; + + while (1) { + c = min_t(int, count, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1, + SERIAL_XMIT_SIZE - info->xmit_head)); + if (c <= 0) + break; + + memcpy(info->xmit_buf + info->xmit_head, buf, c); + spin_lock_irqsave(&info->slock, flags); + info->xmit_head = (info->xmit_head + c) & + (SERIAL_XMIT_SIZE - 1); + info->xmit_cnt += c; + spin_unlock_irqrestore(&info->slock, flags); + + buf += c; + count -= c; + total += c; + } + + if (info->xmit_cnt && !tty->stopped) { + if (!tty->hw_stopped || + (info->type == PORT_16550A) || + (info->board->chip_flag)) { + spin_lock_irqsave(&info->slock, flags); + outb(info->IER & ~UART_IER_THRI, info->ioaddr + + UART_IER); + info->IER |= UART_IER_THRI; + outb(info->IER, info->ioaddr + UART_IER); + spin_unlock_irqrestore(&info->slock, flags); + } + } + return total; +} + +static void mxser_put_char(struct tty_struct *tty, unsigned char ch) +{ + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + if (!info->xmit_buf) + return; + + if (info->xmit_cnt >= SERIAL_XMIT_SIZE - 1) + return; + + spin_lock_irqsave(&info->slock, flags); + info->xmit_buf[info->xmit_head++] = ch; + info->xmit_head &= SERIAL_XMIT_SIZE - 1; + info->xmit_cnt++; + spin_unlock_irqrestore(&info->slock, flags); + if (!tty->stopped) { + if (!tty->hw_stopped || + (info->type == PORT_16550A) || + info->board->chip_flag) { + spin_lock_irqsave(&info->slock, flags); + outb(info->IER & ~UART_IER_THRI, info->ioaddr + UART_IER); + info->IER |= UART_IER_THRI; + outb(info->IER, info->ioaddr + UART_IER); + spin_unlock_irqrestore(&info->slock, flags); + } + } +} + + +static void mxser_flush_chars(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + if (info->xmit_cnt <= 0 || + tty->stopped || + !info->xmit_buf || + (tty->hw_stopped && + (info->type != PORT_16550A) && + (!info->board->chip_flag) + )) + return; + + spin_lock_irqsave(&info->slock, flags); + + outb(info->IER & ~UART_IER_THRI, info->ioaddr + UART_IER); + info->IER |= UART_IER_THRI; + outb(info->IER, info->ioaddr + UART_IER); + + spin_unlock_irqrestore(&info->slock, flags); +} + +static int mxser_write_room(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + int ret; + + ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1; + if (ret < 0) + ret = 0; + return ret; +} + +static int mxser_chars_in_buffer(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + return info->xmit_cnt; +} + +static void mxser_flush_buffer(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + char fcr; + unsigned long flags; + + + spin_lock_irqsave(&info->slock, flags); + info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; + + fcr = inb(info->ioaddr + UART_FCR); + outb((fcr | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT), + info->ioaddr + UART_FCR); + outb(fcr, info->ioaddr + UART_FCR); + + spin_unlock_irqrestore(&info->slock, flags); + + tty_wakeup(tty); +} + +/* + * ------------------------------------------------------------ + * friends of mxser_ioctl() + * ------------------------------------------------------------ + */ +static int mxser_get_serial_info(struct mxser_port *info, + struct serial_struct __user *retinfo) +{ + struct serial_struct tmp; + + if (!retinfo) + return -EFAULT; + memset(&tmp, 0, sizeof(tmp)); + tmp.type = info->type; + tmp.line = info->tty->index; + tmp.port = info->ioaddr; + tmp.irq = info->board->irq; + tmp.flags = info->flags; + tmp.baud_base = info->baud_base; + tmp.close_delay = info->close_delay; + tmp.closing_wait = info->closing_wait; + tmp.custom_divisor = info->custom_divisor; + tmp.hub6 = 0; + if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) + return -EFAULT; + return 0; +} + +static int mxser_set_serial_info(struct mxser_port *info, + struct serial_struct __user *new_info) +{ + struct serial_struct new_serial; + unsigned int flags; + int retval = 0; + + if (!new_info || !info->ioaddr) + return -EFAULT; + if (copy_from_user(&new_serial, new_info, sizeof(new_serial))) + return -EFAULT; + + if ((new_serial.irq != info->board->irq) || + (new_serial.port != info->ioaddr) || + (new_serial.custom_divisor != info->custom_divisor) || + (new_serial.baud_base != info->baud_base)) + return -EPERM; + + flags = info->flags & ASYNC_SPD_MASK; + + if (!capable(CAP_SYS_ADMIN)) { + if ((new_serial.baud_base != info->baud_base) || + (new_serial.close_delay != info->close_delay) || + ((new_serial.flags & ~ASYNC_USR_MASK) != (info->flags & ~ASYNC_USR_MASK))) + return -EPERM; + info->flags = ((info->flags & ~ASYNC_USR_MASK) | + (new_serial.flags & ASYNC_USR_MASK)); + } else { + /* + * OK, past this point, all the error checking has been done. + * At this point, we start making changes..... + */ + info->flags = ((info->flags & ~ASYNC_FLAGS) | + (new_serial.flags & ASYNC_FLAGS)); + info->close_delay = new_serial.close_delay * HZ / 100; + info->closing_wait = new_serial.closing_wait * HZ / 100; + info->tty->low_latency = + (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + info->tty->low_latency = 0; + } + + info->type = new_serial.type; + + process_txrx_fifo(info); + + if (info->flags & ASYNC_INITIALIZED) { + if (flags != (info->flags & ASYNC_SPD_MASK)) + mxser_change_speed(info, NULL); + } else + retval = mxser_startup(info); + + return retval; +} + +/* + * mxser_get_lsr_info - get line status register info + * + * Purpose: Let user call ioctl() to get info when the UART physically + * is emptied. On bus types like RS485, the transmitter must + * release the bus after transmitting. This must be done when + * the transmit shift register is empty, not be done when the + * transmit holding register is empty. This functionality + * allows an RS485 driver to be written in user space. + */ +static int mxser_get_lsr_info(struct mxser_port *info, + unsigned int __user *value) +{ + unsigned char status; + unsigned int result; + unsigned long flags; + + spin_lock_irqsave(&info->slock, flags); + status = inb(info->ioaddr + UART_LSR); + spin_unlock_irqrestore(&info->slock, flags); + result = ((status & UART_LSR_TEMT) ? TIOCSER_TEMT : 0); + return put_user(result, value); +} + +/* + * This routine sends a break character out the serial port. + */ +static void mxser_send_break(struct mxser_port *info, int duration) +{ + unsigned long flags; + + if (!info->ioaddr) + return; + set_current_state(TASK_INTERRUPTIBLE); + spin_lock_irqsave(&info->slock, flags); + outb(inb(info->ioaddr + UART_LCR) | UART_LCR_SBC, + info->ioaddr + UART_LCR); + spin_unlock_irqrestore(&info->slock, flags); + schedule_timeout(duration); + spin_lock_irqsave(&info->slock, flags); + outb(inb(info->ioaddr + UART_LCR) & ~UART_LCR_SBC, + info->ioaddr + UART_LCR); + spin_unlock_irqrestore(&info->slock, flags); +} + +static int mxser_tiocmget(struct tty_struct *tty, struct file *file) +{ + struct mxser_port *info = tty->driver_data; + unsigned char control, status; + unsigned long flags; + + + if (tty->index == MXSER_PORTS) + return -ENOIOCTLCMD; + if (test_bit(TTY_IO_ERROR, &tty->flags)) + return -EIO; + + control = info->MCR; + + spin_lock_irqsave(&info->slock, flags); + status = inb(info->ioaddr + UART_MSR); + if (status & UART_MSR_ANY_DELTA) + mxser_check_modem_status(info, status); + spin_unlock_irqrestore(&info->slock, flags); + return ((control & UART_MCR_RTS) ? TIOCM_RTS : 0) | + ((control & UART_MCR_DTR) ? TIOCM_DTR : 0) | + ((status & UART_MSR_DCD) ? TIOCM_CAR : 0) | + ((status & UART_MSR_RI) ? TIOCM_RNG : 0) | + ((status & UART_MSR_DSR) ? TIOCM_DSR : 0) | + ((status & UART_MSR_CTS) ? TIOCM_CTS : 0); +} + +static int mxser_tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear) +{ + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + + if (tty->index == MXSER_PORTS) + return -ENOIOCTLCMD; + if (test_bit(TTY_IO_ERROR, &tty->flags)) + return -EIO; + + spin_lock_irqsave(&info->slock, flags); + + if (set & TIOCM_RTS) + info->MCR |= UART_MCR_RTS; + if (set & TIOCM_DTR) + info->MCR |= UART_MCR_DTR; + + if (clear & TIOCM_RTS) + info->MCR &= ~UART_MCR_RTS; + if (clear & TIOCM_DTR) + info->MCR &= ~UART_MCR_DTR; + + outb(info->MCR, info->ioaddr + UART_MCR); + spin_unlock_irqrestore(&info->slock, flags); + return 0; +} + +static int mxser_program_mode(int port) +{ + int id, i, j, n; + + spin_lock(&gm_lock); + outb(0, port); + outb(0, port); + outb(0, port); + (void)inb(port); + (void)inb(port); + outb(0, port); + (void)inb(port); + spin_unlock(&gm_lock); + + id = inb(port + 1) & 0x1F; + if ((id != C168_ASIC_ID) && + (id != C104_ASIC_ID) && + (id != C102_ASIC_ID) && + (id != CI132_ASIC_ID) && + (id != CI134_ASIC_ID) && + (id != CI104J_ASIC_ID)) + return -1; + for (i = 0, j = 0; i < 4; i++) { + n = inb(port + 2); + if (n == 'M') { + j = 1; + } else if ((j == 1) && (n == 1)) { + j = 2; + break; + } else + j = 0; + } + if (j != 2) + id = -2; + return id; +} + +static void mxser_normal_mode(int port) +{ + int i, n; + + outb(0xA5, port + 1); + outb(0x80, port + 3); + outb(12, port + 0); /* 9600 bps */ + outb(0, port + 1); + outb(0x03, port + 3); /* 8 data bits */ + outb(0x13, port + 4); /* loop back mode */ + for (i = 0; i < 16; i++) { + n = inb(port + 5); + if ((n & 0x61) == 0x60) + break; + if ((n & 1) == 1) + (void)inb(port); + } + outb(0x00, port + 4); +} + +#define CHIP_SK 0x01 /* Serial Data Clock in Eprom */ +#define CHIP_DO 0x02 /* Serial Data Output in Eprom */ +#define CHIP_CS 0x04 /* Serial Chip Select in Eprom */ +#define CHIP_DI 0x08 /* Serial Data Input in Eprom */ +#define EN_CCMD 0x000 /* Chip's command register */ +#define EN0_RSARLO 0x008 /* Remote start address reg 0 */ +#define EN0_RSARHI 0x009 /* Remote start address reg 1 */ +#define EN0_RCNTLO 0x00A /* Remote byte count reg WR */ +#define EN0_RCNTHI 0x00B /* Remote byte count reg WR */ +#define EN0_DCFG 0x00E /* Data configuration reg WR */ +#define EN0_PORT 0x010 /* Rcv missed frame error counter RD */ +#define ENC_PAGE0 0x000 /* Select page 0 of chip registers */ +#define ENC_PAGE3 0x0C0 /* Select page 3 of chip registers */ +static int mxser_read_register(int port, unsigned short *regs) +{ + int i, k, value, id; + unsigned int j; + + id = mxser_program_mode(port); + if (id < 0) + return id; + for (i = 0; i < 14; i++) { + k = (i & 0x3F) | 0x180; + for (j = 0x100; j > 0; j >>= 1) { + outb(CHIP_CS, port); + if (k & j) { + outb(CHIP_CS | CHIP_DO, port); + outb(CHIP_CS | CHIP_DO | CHIP_SK, port); /* A? bit of read */ + } else { + outb(CHIP_CS, port); + outb(CHIP_CS | CHIP_SK, port); /* A? bit of read */ + } + } + (void)inb(port); + value = 0; + for (k = 0, j = 0x8000; k < 16; k++, j >>= 1) { + outb(CHIP_CS, port); + outb(CHIP_CS | CHIP_SK, port); + if (inb(port) & CHIP_DI) + value |= j; + } + regs[i] = value; + outb(0, port); + } + mxser_normal_mode(port); + return id; +} + +static int mxser_ioctl_special(unsigned int cmd, void __user *argp) +{ + struct mxser_port *port; + int result, status; + unsigned int i, j; + + switch (cmd) { + case MOXA_GET_CONF: +/* if (copy_to_user(argp, mxsercfg, + sizeof(struct mxser_hwconf) * 4)) + return -EFAULT; + return 0;*/ + return -ENXIO; + case MOXA_GET_MAJOR: + if (copy_to_user(argp, &ttymajor, sizeof(int))) + return -EFAULT; + return 0; + + case MOXA_GET_CUMAJOR: + if (copy_to_user(argp, &calloutmajor, sizeof(int))) + return -EFAULT; + return 0; + + case MOXA_CHKPORTENABLE: + result = 0; + + for (i = 0; i < MXSER_BOARDS; i++) + for (j = 0; j < MXSER_PORTS_PER_BOARD; j++) + if (mxser_boards[i].ports[j].ioaddr) + result |= (1 << i); + + return put_user(result, (unsigned long __user *)argp); + case MOXA_GETDATACOUNT: + if (copy_to_user(argp, &mxvar_log, sizeof(mxvar_log))) + return -EFAULT; + return 0; + case MOXA_GETMSTATUS: + for (i = 0; i < MXSER_BOARDS; i++) + for (j = 0; j < MXSER_PORTS_PER_BOARD; j++) { + port = &mxser_boards[i].ports[j]; + + GMStatus[i].ri = 0; + if (!port->ioaddr) { + GMStatus[i].dcd = 0; + GMStatus[i].dsr = 0; + GMStatus[i].cts = 0; + continue; + } + + if (!port->tty || !port->tty->termios) + GMStatus[i].cflag = + port->normal_termios.c_cflag; + else + GMStatus[i].cflag = + port->tty->termios->c_cflag; + + status = inb(port->ioaddr + UART_MSR); + if (status & 0x80 /*UART_MSR_DCD */ ) + GMStatus[i].dcd = 1; + else + GMStatus[i].dcd = 0; + + if (status & 0x20 /*UART_MSR_DSR */ ) + GMStatus[i].dsr = 1; + else + GMStatus[i].dsr = 0; + + + if (status & 0x10 /*UART_MSR_CTS */ ) + GMStatus[i].cts = 1; + else + GMStatus[i].cts = 0; + } + if (copy_to_user(argp, GMStatus, + sizeof(struct mxser_mstatus) * MXSER_PORTS)) + return -EFAULT; + return 0; + case MOXA_ASPP_MON_EXT: { + int status, p, shiftbit; + unsigned long opmode; + unsigned cflag, iflag; + + for (i = 0; i < MXSER_BOARDS; i++) + for (j = 0; j < MXSER_PORTS_PER_BOARD; j++) { + port = &mxser_boards[i].ports[j]; + if (!port->ioaddr) + continue; + + status = mxser_get_msr(port->ioaddr, 0, i); + + if (status & UART_MSR_TERI) + port->icount.rng++; + if (status & UART_MSR_DDSR) + port->icount.dsr++; + if (status & UART_MSR_DDCD) + port->icount.dcd++; + if (status & UART_MSR_DCTS) + port->icount.cts++; + + port->mon_data.modem_status = status; + mon_data_ext.rx_cnt[i] = port->mon_data.rxcnt; + mon_data_ext.tx_cnt[i] = port->mon_data.txcnt; + mon_data_ext.up_rxcnt[i] = + port->mon_data.up_rxcnt; + mon_data_ext.up_txcnt[i] = + port->mon_data.up_txcnt; + mon_data_ext.modem_status[i] = + port->mon_data.modem_status; + mon_data_ext.baudrate[i] = port->realbaud; + + if (!port->tty || !port->tty->termios) { + cflag = port->normal_termios.c_cflag; + iflag = port->normal_termios.c_iflag; + } else { + cflag = port->tty->termios->c_cflag; + iflag = port->tty->termios->c_iflag; + } + + mon_data_ext.databits[i] = cflag & CSIZE; + + mon_data_ext.stopbits[i] = cflag & CSTOPB; + + mon_data_ext.parity[i] = + cflag & (PARENB | PARODD | CMSPAR); + + mon_data_ext.flowctrl[i] = 0x00; + + if (cflag & CRTSCTS) + mon_data_ext.flowctrl[i] |= 0x03; + + if (iflag & (IXON | IXOFF)) + mon_data_ext.flowctrl[i] |= 0x0C; + + if (port->type == PORT_16550A) + mon_data_ext.fifo[i] = 1; + else + mon_data_ext.fifo[i] = 0; + + p = i % 4; + shiftbit = p * 2; + opmode = inb(port->opmode_ioaddr) >> shiftbit; + opmode &= OP_MODE_MASK; + + mon_data_ext.iftype[i] = opmode; + + } + if (copy_to_user(argp, &mon_data_ext, + sizeof(mon_data_ext))) + return -EFAULT; + + return 0; + + } default: + return -ENOIOCTLCMD; + } + return 0; +} + +static int mxser_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct mxser_port *info = tty->driver_data; + struct async_icount cprev, cnow; /* kernel counter temps */ + struct serial_icounter_struct __user *p_cuser; + unsigned long templ; + unsigned long flags; + void __user *argp = (void __user *)arg; + int retval; + + if (tty->index == MXSER_PORTS) + return mxser_ioctl_special(cmd, argp); + + if (cmd == MOXA_SET_OP_MODE || cmd == MOXA_GET_OP_MODE) { + int p; + unsigned long opmode; + static unsigned char ModeMask[] = { 0xfc, 0xf3, 0xcf, 0x3f }; + int shiftbit; + unsigned char val, mask; + + p = tty->index % 4; + if (cmd == MOXA_SET_OP_MODE) { + if (get_user(opmode, (int __user *) argp)) + return -EFAULT; + if (opmode != RS232_MODE && + opmode != RS485_2WIRE_MODE && + opmode != RS422_MODE && + opmode != RS485_4WIRE_MODE) + return -EFAULT; + mask = ModeMask[p]; + shiftbit = p * 2; + val = inb(info->opmode_ioaddr); + val &= mask; + val |= (opmode << shiftbit); + outb(val, info->opmode_ioaddr); + } else { + shiftbit = p * 2; + opmode = inb(info->opmode_ioaddr) >> shiftbit; + opmode &= OP_MODE_MASK; + if (copy_to_user(argp, &opmode, sizeof(int))) + return -EFAULT; + } + return 0; + } + + if (cmd != TIOCGSERIAL && cmd != TIOCMIWAIT && cmd != TIOCGICOUNT && + test_bit(TTY_IO_ERROR, &tty->flags)) + return -EIO; + + switch (cmd) { + case TCSBRK: /* SVID version: non-zero arg --> no break */ + retval = tty_check_change(tty); + if (retval) + return retval; + tty_wait_until_sent(tty, 0); + if (!arg) + mxser_send_break(info, HZ / 4); /* 1/4 second */ + return 0; + case TCSBRKP: /* support for POSIX tcsendbreak() */ + retval = tty_check_change(tty); + if (retval) + return retval; + tty_wait_until_sent(tty, 0); + mxser_send_break(info, arg ? arg * (HZ / 10) : HZ / 4); + return 0; + case TIOCGSOFTCAR: + return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp); + case TIOCSSOFTCAR: + if (get_user(templ, (unsigned long __user *) argp)) + return -EFAULT; + arg = templ; + tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) | (arg ? CLOCAL : 0)); + return 0; + case TIOCGSERIAL: + return mxser_get_serial_info(info, argp); + case TIOCSSERIAL: + return mxser_set_serial_info(info, argp); + case TIOCSERGETLSR: /* Get line status register */ + return mxser_get_lsr_info(info, argp); + /* + * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change + * - mask passed in arg for lines of interest + * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) + * Caller should use TIOCGICOUNT to see which one it was + */ + case TIOCMIWAIT: { + DECLARE_WAITQUEUE(wait, current); + int ret; + spin_lock_irqsave(&info->slock, flags); + cprev = info->icount; /* note the counters on entry */ + spin_unlock_irqrestore(&info->slock, flags); + + add_wait_queue(&info->delta_msr_wait, &wait); + while (1) { + spin_lock_irqsave(&info->slock, flags); + cnow = info->icount; /* atomic copy */ + spin_unlock_irqrestore(&info->slock, flags); + + set_current_state(TASK_INTERRUPTIBLE); + if (((arg & TIOCM_RNG) && + (cnow.rng != cprev.rng)) || + ((arg & TIOCM_DSR) && + (cnow.dsr != cprev.dsr)) || + ((arg & TIOCM_CD) && + (cnow.dcd != cprev.dcd)) || + ((arg & TIOCM_CTS) && + (cnow.cts != cprev.cts))) { + ret = 0; + break; + } + /* see if a signal did it */ + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + cprev = cnow; + } + current->state = TASK_RUNNING; + remove_wait_queue(&info->delta_msr_wait, &wait); + break; + } + /* NOTREACHED */ + /* + * Get counter of input serial line interrupts (DCD,RI,DSR,CTS) + * Return: write counters to the user passed counter struct + * NB: both 1->0 and 0->1 transitions are counted except for + * RI where only 0->1 is counted. + */ + case TIOCGICOUNT: + spin_lock_irqsave(&info->slock, flags); + cnow = info->icount; + spin_unlock_irqrestore(&info->slock, flags); + p_cuser = argp; + if (put_user(cnow.frame, &p_cuser->frame)) + return -EFAULT; + if (put_user(cnow.brk, &p_cuser->brk)) + return -EFAULT; + if (put_user(cnow.overrun, &p_cuser->overrun)) + return -EFAULT; + if (put_user(cnow.buf_overrun, &p_cuser->buf_overrun)) + return -EFAULT; + if (put_user(cnow.parity, &p_cuser->parity)) + return -EFAULT; + if (put_user(cnow.rx, &p_cuser->rx)) + return -EFAULT; + if (put_user(cnow.tx, &p_cuser->tx)) + return -EFAULT; + put_user(cnow.cts, &p_cuser->cts); + put_user(cnow.dsr, &p_cuser->dsr); + put_user(cnow.rng, &p_cuser->rng); + put_user(cnow.dcd, &p_cuser->dcd); + return 0; + case MOXA_HighSpeedOn: + return put_user(info->baud_base != 115200 ? 1 : 0, (int __user *)argp); + case MOXA_SDS_RSTICOUNTER: + info->mon_data.rxcnt = 0; + info->mon_data.txcnt = 0; + return 0; + case MOXA_ASPP_SETBAUD:{ + long baud; + if (get_user(baud, (long __user *)argp)) + return -EFAULT; + mxser_set_baud(info, baud); + return 0; + } + case MOXA_ASPP_GETBAUD: + if (copy_to_user(argp, &info->realbaud, sizeof(long))) + return -EFAULT; + + return 0; + + case MOXA_ASPP_OQUEUE:{ + int len, lsr; + + len = mxser_chars_in_buffer(tty); + + lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT; + + len += (lsr ? 0 : 1); + + if (copy_to_user(argp, &len, sizeof(int))) + return -EFAULT; + + return 0; + } + case MOXA_ASPP_MON: { + int mcr, status; + + status = mxser_get_msr(info->ioaddr, 1, tty->index); + mxser_check_modem_status(info, status); + + mcr = inb(info->ioaddr + UART_MCR); + if (mcr & MOXA_MUST_MCR_XON_FLAG) + info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFHOLD; + else + info->mon_data.hold_reason |= NPPI_NOTIFY_XOFFHOLD; + + if (mcr & MOXA_MUST_MCR_TX_XON) + info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFXENT; + else + info->mon_data.hold_reason |= NPPI_NOTIFY_XOFFXENT; + + if (info->tty->hw_stopped) + info->mon_data.hold_reason |= NPPI_NOTIFY_CTSHOLD; + else + info->mon_data.hold_reason &= ~NPPI_NOTIFY_CTSHOLD; + + if (copy_to_user(argp, &info->mon_data, + sizeof(struct mxser_mon))) + return -EFAULT; + + return 0; + } + case MOXA_ASPP_LSTATUS: { + if (copy_to_user(argp, &info->err_shadow, + sizeof(unsigned char))) + return -EFAULT; + + info->err_shadow = 0; + return 0; + } + case MOXA_SET_BAUD_METHOD: { + int method; + + if (get_user(method, (int __user *)argp)) + return -EFAULT; + mxser_set_baud_method[tty->index] = method; + if (copy_to_user(argp, &method, sizeof(int))) + return -EFAULT; + + return 0; + } + default: + return -ENOIOCTLCMD; + } + return 0; +} + +static void mxser_stoprx(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + + info->ldisc_stop_rx = 1; + if (I_IXOFF(tty)) { + if (info->board->chip_flag) { + info->IER &= ~MOXA_MUST_RECV_ISR; + outb(info->IER, info->ioaddr + UART_IER); + } else { + info->x_char = STOP_CHAR(tty); + outb(0, info->ioaddr + UART_IER); + info->IER |= UART_IER_THRI; + outb(info->IER, info->ioaddr + UART_IER); + } + } + + if (info->tty->termios->c_cflag & CRTSCTS) { + info->MCR &= ~UART_MCR_RTS; + outb(info->MCR, info->ioaddr + UART_MCR); + } +} + +/* + * This routine is called by the upper-layer tty layer to signal that + * incoming characters should be throttled. + */ +static void mxser_throttle(struct tty_struct *tty) +{ + mxser_stoprx(tty); +} + +static void mxser_unthrottle(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + + /* startrx */ + info->ldisc_stop_rx = 0; + if (I_IXOFF(tty)) { + if (info->x_char) + info->x_char = 0; + else { + if (info->board->chip_flag) { + info->IER |= MOXA_MUST_RECV_ISR; + outb(info->IER, info->ioaddr + UART_IER); + } else { + info->x_char = START_CHAR(tty); + outb(0, info->ioaddr + UART_IER); + info->IER |= UART_IER_THRI; + outb(info->IER, info->ioaddr + UART_IER); + } + } + } + + if (info->tty->termios->c_cflag & CRTSCTS) { + info->MCR |= UART_MCR_RTS; + outb(info->MCR, info->ioaddr + UART_MCR); + } +} + +/* + * mxser_stop() and mxser_start() + * + * This routines are called before setting or resetting tty->stopped. + * They enable or disable transmitter interrupts, as necessary. + */ +static void mxser_stop(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + spin_lock_irqsave(&info->slock, flags); + if (info->IER & UART_IER_THRI) { + info->IER &= ~UART_IER_THRI; + outb(info->IER, info->ioaddr + UART_IER); + } + spin_unlock_irqrestore(&info->slock, flags); +} + +static void mxser_start(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + spin_lock_irqsave(&info->slock, flags); + if (info->xmit_cnt && info->xmit_buf) { + outb(info->IER & ~UART_IER_THRI, info->ioaddr + UART_IER); + info->IER |= UART_IER_THRI; + outb(info->IER, info->ioaddr + UART_IER); + } + spin_unlock_irqrestore(&info->slock, flags); +} + +static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termios) +{ + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + if ((tty->termios->c_cflag != old_termios->c_cflag) || + (RELEVANT_IFLAG(tty->termios->c_iflag) != RELEVANT_IFLAG(old_termios->c_iflag))) { + + mxser_change_speed(info, old_termios); + + if ((old_termios->c_cflag & CRTSCTS) && + !(tty->termios->c_cflag & CRTSCTS)) { + tty->hw_stopped = 0; + mxser_start(tty); + } + } + + /* Handle sw stopped */ + if ((old_termios->c_iflag & IXON) && + !(tty->termios->c_iflag & IXON)) { + tty->stopped = 0; + + if (info->board->chip_flag) { + spin_lock_irqsave(&info->slock, flags); + DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->ioaddr); + spin_unlock_irqrestore(&info->slock, flags); + } + + mxser_start(tty); + } +} + +/* + * mxser_wait_until_sent() --- wait until the transmitter is empty + */ +static void mxser_wait_until_sent(struct tty_struct *tty, int timeout) +{ + struct mxser_port *info = tty->driver_data; + unsigned long orig_jiffies, char_time; + int lsr; + + if (info->type == PORT_UNKNOWN) + return; + + if (info->xmit_fifo_size == 0) + return; /* Just in case.... */ + + orig_jiffies = jiffies; + /* + * Set the check interval to be 1/5 of the estimated time to + * send a single character, and make it at least 1. The check + * interval should also be less than the timeout. + * + * Note: we have to use pretty tight timings here to satisfy + * the NIST-PCTS. + */ + char_time = (info->timeout - HZ / 50) / info->xmit_fifo_size; + char_time = char_time / 5; + if (char_time == 0) + char_time = 1; + if (timeout && timeout < char_time) + char_time = timeout; + /* + * If the transmitter hasn't cleared in twice the approximate + * amount of time to send the entire FIFO, it probably won't + * ever clear. This assumes the UART isn't doing flow + * control, which is currently the case. Hence, if it ever + * takes longer than info->timeout, this is probably due to a + * UART bug of some kind. So, we clamp the timeout parameter at + * 2*info->timeout. + */ + if (!timeout || timeout > 2 * info->timeout) + timeout = 2 * info->timeout; +#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT + printk(KERN_DEBUG "In rs_wait_until_sent(%d) check=%lu...", + timeout, char_time); + printk("jiff=%lu...", jiffies); +#endif + while (!((lsr = inb(info->ioaddr + UART_LSR)) & UART_LSR_TEMT)) { +#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT + printk("lsr = %d (jiff=%lu)...", lsr, jiffies); +#endif + schedule_timeout_interruptible(char_time); + if (signal_pending(current)) + break; + if (timeout && time_after(jiffies, orig_jiffies + timeout)) + break; + } + set_current_state(TASK_RUNNING); + +#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT + printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies); +#endif +} + +/* + * This routine is called by tty_hangup() when a hangup is signaled. + */ +void mxser_hangup(struct tty_struct *tty) +{ + struct mxser_port *info = tty->driver_data; + + mxser_flush_buffer(tty); + mxser_shutdown(info); + info->event = 0; + info->count = 0; + info->flags &= ~ASYNC_NORMAL_ACTIVE; + info->tty = NULL; + wake_up_interruptible(&info->open_wait); +} + +/* + * mxser_rs_break() --- routine which turns the break handling on or off + */ +static void mxser_rs_break(struct tty_struct *tty, int break_state) +{ + struct mxser_port *info = tty->driver_data; + unsigned long flags; + + spin_lock_irqsave(&info->slock, flags); + if (break_state == -1) + outb(inb(info->ioaddr + UART_LCR) | UART_LCR_SBC, + info->ioaddr + UART_LCR); + else + outb(inb(info->ioaddr + UART_LCR) & ~UART_LCR_SBC, + info->ioaddr + UART_LCR); + spin_unlock_irqrestore(&info->slock, flags); +} + +static void mxser_receive_chars(struct mxser_port *port, int *status) +{ + struct tty_struct *tty = port->tty; + unsigned char ch, gdl; + int ignored = 0; + int cnt = 0; + int recv_room; + int max = 256; + unsigned long flags; + + spin_lock_irqsave(&port->slock, flags); + + recv_room = tty->receive_room; + if ((recv_room == 0) && (!port->ldisc_stop_rx)) + mxser_stoprx(tty); + + if (port->board->chip_flag != MOXA_OTHER_UART) { + + if (*status & UART_LSR_SPECIAL) + goto intr_old; + if (port->board->chip_flag == MOXA_MUST_MU860_HWID && + (*status & MOXA_MUST_LSR_RERR)) + goto intr_old; + if (*status & MOXA_MUST_LSR_RERR) + goto intr_old; + + gdl = inb(port->ioaddr + MOXA_MUST_GDL_REGISTER); + + if (port->board->chip_flag == MOXA_MUST_MU150_HWID) + gdl &= MOXA_MUST_GDL_MASK; + if (gdl >= recv_room) { + if (!port->ldisc_stop_rx) + mxser_stoprx(tty); + } + while (gdl--) { + ch = inb(port->ioaddr + UART_RX); + tty_insert_flip_char(tty, ch, 0); + cnt++; + } + goto end_intr; + } +intr_old: + + do { + if (max-- < 0) + break; + + ch = inb(port->ioaddr + UART_RX); + if (port->board->chip_flag && (*status & UART_LSR_OE)) + outb(0x23, port->ioaddr + UART_FCR); + *status &= port->read_status_mask; + if (*status & port->ignore_status_mask) { + if (++ignored > 100) + break; + } else { + char flag = 0; + if (*status & UART_LSR_SPECIAL) { + if (*status & UART_LSR_BI) { + flag = TTY_BREAK; + port->icount.brk++; + + if (port->flags & ASYNC_SAK) + do_SAK(tty); + } else if (*status & UART_LSR_PE) { + flag = TTY_PARITY; + port->icount.parity++; + } else if (*status & UART_LSR_FE) { + flag = TTY_FRAME; + port->icount.frame++; + } else if (*status & UART_LSR_OE) { + flag = TTY_OVERRUN; + port->icount.overrun++; + } + } + tty_insert_flip_char(tty, ch, flag); + cnt++; + if (cnt >= recv_room) { + if (!port->ldisc_stop_rx) + mxser_stoprx(tty); + break; + } + + } + + if (port->board->chip_flag) + break; + + *status = inb(port->ioaddr + UART_LSR); + } while (*status & UART_LSR_DR); + +end_intr: + mxvar_log.rxcnt[port->tty->index] += cnt; + port->mon_data.rxcnt += cnt; + port->mon_data.up_rxcnt += cnt; + spin_unlock_irqrestore(&port->slock, flags); + + tty_flip_buffer_push(tty); +} + +static void mxser_transmit_chars(struct mxser_port *port) +{ + int count, cnt; + unsigned long flags; + + spin_lock_irqsave(&port->slock, flags); + + if (port->x_char) { + outb(port->x_char, port->ioaddr + UART_TX); + port->x_char = 0; + mxvar_log.txcnt[port->tty->index]++; + port->mon_data.txcnt++; + port->mon_data.up_txcnt++; + port->icount.tx++; + goto unlock; + } + + if (port->xmit_buf == 0) + goto unlock; + + if ((port->xmit_cnt <= 0) || port->tty->stopped || + (port->tty->hw_stopped && + (port->type != PORT_16550A) && + (!port->board->chip_flag))) { + port->IER &= ~UART_IER_THRI; + outb(port->IER, port->ioaddr + UART_IER); + goto unlock; + } + + cnt = port->xmit_cnt; + count = port->xmit_fifo_size; + do { + outb(port->xmit_buf[port->xmit_tail++], + port->ioaddr + UART_TX); + port->xmit_tail = port->xmit_tail & (SERIAL_XMIT_SIZE - 1); + if (--port->xmit_cnt <= 0) + break; + } while (--count > 0); + mxvar_log.txcnt[port->tty->index] += (cnt - port->xmit_cnt); + + port->mon_data.txcnt += (cnt - port->xmit_cnt); + port->mon_data.up_txcnt += (cnt - port->xmit_cnt); + port->icount.tx += (cnt - port->xmit_cnt); + + if (port->xmit_cnt < WAKEUP_CHARS) { + set_bit(MXSER_EVENT_TXLOW, &port->event); + schedule_work(&port->tqueue); + } + if (port->xmit_cnt <= 0) { + port->IER &= ~UART_IER_THRI; + outb(port->IER, port->ioaddr + UART_IER); + } +unlock: + spin_unlock_irqrestore(&port->slock, flags); +} + +/* + * This is the serial driver's generic interrupt routine + */ +static irqreturn_t mxser_interrupt(int irq, void *dev_id) +{ + int status, iir, i; + struct mxser_board *brd = NULL; + struct mxser_port *port; + int max, irqbits, bits, msr; + int pass_counter = 0; + unsigned int int_cnt; + int handled = IRQ_NONE; + + for (i = 0; i < MXSER_BOARDS; i++) + if (dev_id == &mxser_boards[i]) { + brd = dev_id; + break; + } + + if (i == MXSER_BOARDS) + goto irq_stop; + if (brd == NULL) + goto irq_stop; + max = brd->info->nports; + while (1) { + irqbits = inb(brd->vector) & brd->vector_mask; + if (irqbits == brd->vector_mask) + break; + + handled = IRQ_HANDLED; + for (i = 0, bits = 1; i < max; i++, irqbits |= bits, bits <<= 1) { + if (irqbits == brd->vector_mask) + break; + if (bits & irqbits) + continue; + port = &brd->ports[i]; + + int_cnt = 0; + do { + iir = inb(port->ioaddr + UART_IIR); + if (iir & UART_IIR_NO_INT) + break; + iir &= MOXA_MUST_IIR_MASK; + if (!port->tty) { + status = inb(port->ioaddr + UART_LSR); + outb(0x27, port->ioaddr + UART_FCR); + inb(port->ioaddr + UART_MSR); + break; + } + + status = inb(port->ioaddr + UART_LSR); + + if (status & UART_LSR_PE) + port->err_shadow |= NPPI_NOTIFY_PARITY; + if (status & UART_LSR_FE) + port->err_shadow |= NPPI_NOTIFY_FRAMING; + if (status & UART_LSR_OE) + port->err_shadow |= + NPPI_NOTIFY_HW_OVERRUN; + if (status & UART_LSR_BI) + port->err_shadow |= NPPI_NOTIFY_BREAK; + + if (port->board->chip_flag) { + if (iir == MOXA_MUST_IIR_GDA || + iir == MOXA_MUST_IIR_RDA || + iir == MOXA_MUST_IIR_RTO || + iir == MOXA_MUST_IIR_LSR) + mxser_receive_chars(port, + &status); + + } else { + status &= port->read_status_mask; + if (status & UART_LSR_DR) + mxser_receive_chars(port, + &status); + } + msr = inb(port->ioaddr + UART_MSR); + if (msr & UART_MSR_ANY_DELTA) + mxser_check_modem_status(port, msr); + + if (port->board->chip_flag) { + if (iir == 0x02 && (status & + UART_LSR_THRE)) + mxser_transmit_chars(port); + } else { + if (status & UART_LSR_THRE) + mxser_transmit_chars(port); + } + } while (int_cnt++ < MXSER_ISR_PASS_LIMIT); + } + if (pass_counter++ > MXSER_ISR_PASS_LIMIT) + break; /* Prevent infinite loops */ + } + +irq_stop: + return handled; +} + +static const struct tty_operations mxser_ops = { + .open = mxser_open, + .close = mxser_close, + .write = mxser_write, + .put_char = mxser_put_char, + .flush_chars = mxser_flush_chars, + .write_room = mxser_write_room, + .chars_in_buffer = mxser_chars_in_buffer, + .flush_buffer = mxser_flush_buffer, + .ioctl = mxser_ioctl, + .throttle = mxser_throttle, + .unthrottle = mxser_unthrottle, + .set_termios = mxser_set_termios, + .stop = mxser_stop, + .start = mxser_start, + .hangup = mxser_hangup, + .break_ctl = mxser_rs_break, + .wait_until_sent = mxser_wait_until_sent, + .tiocmget = mxser_tiocmget, + .tiocmset = mxser_tiocmset, +}; + +/* + * The MOXA Smartio/Industio serial driver boot-time initialization code! + */ + +static void mxser_release_res(struct mxser_board *brd, struct pci_dev *pdev, + unsigned int irq) +{ + if (irq) + free_irq(brd->irq, brd); + if (pdev != NULL) { /* PCI */ +#ifdef CONFIG_PCI + pci_release_region(pdev, 2); + pci_release_region(pdev, 3); + pci_dev_put(pdev); +#endif + } else { + release_region(brd->ports[0].ioaddr, 8 * brd->info->nports); + release_region(brd->vector, 1); + } +} + +static int __devinit mxser_initbrd(struct mxser_board *brd, + struct pci_dev *pdev) +{ + struct mxser_port *info; + unsigned int i; + int retval; + + printk(KERN_INFO "max. baud rate = %d bps.\n", brd->ports[0].max_baud); + + for (i = 0; i < brd->info->nports; i++) { + info = &brd->ports[i]; + info->board = brd; + info->stop_rx = 0; + info->ldisc_stop_rx = 0; + + /* Enhance mode enabled here */ + if (brd->chip_flag != MOXA_OTHER_UART) + ENABLE_MOXA_MUST_ENCHANCE_MODE(info->ioaddr); + + info->flags = ASYNC_SHARE_IRQ; + info->type = brd->uart_type; + + process_txrx_fifo(info); + + info->custom_divisor = info->baud_base * 16; + info->close_delay = 5 * HZ / 10; + info->closing_wait = 30 * HZ; + INIT_WORK(&info->tqueue, mxser_do_softint); + info->normal_termios = mxvar_sdriver->init_termios; + init_waitqueue_head(&info->open_wait); + init_waitqueue_head(&info->close_wait); + init_waitqueue_head(&info->delta_msr_wait); + memset(&info->mon_data, 0, sizeof(struct mxser_mon)); + info->err_shadow = 0; + spin_lock_init(&info->slock); + + /* before set INT ISR, disable all int */ + outb(inb(info->ioaddr + UART_IER) & 0xf0, + info->ioaddr + UART_IER); + } + /* + * Allocate the IRQ if necessary + */ + + retval = request_irq(brd->irq, mxser_interrupt, + (brd->ports[0].flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : + IRQF_DISABLED, "mxser", brd); + if (retval) { + printk(KERN_ERR "Board %s: Request irq failed, IRQ (%d) may " + "conflict with another device.\n", + brd->info->name, brd->irq); + /* We hold resources, we need to release them. */ + mxser_release_res(brd, pdev, 0); + return retval; + } + return 0; +} + +static int __init mxser_get_ISA_conf(int cap, struct mxser_board *brd) +{ + int id, i, bits; + unsigned short regs[16], irq; + unsigned char scratch, scratch2; + + brd->chip_flag = MOXA_OTHER_UART; + + id = mxser_read_register(cap, regs); + switch (id) { + case C168_ASIC_ID: + brd->info = &mxser_cards[0]; + break; + case C104_ASIC_ID: + brd->info = &mxser_cards[1]; + break; + case CI104J_ASIC_ID: + brd->info = &mxser_cards[2]; + break; + case C102_ASIC_ID: + brd->info = &mxser_cards[5]; + break; + case CI132_ASIC_ID: + brd->info = &mxser_cards[6]; + break; + case CI134_ASIC_ID: + brd->info = &mxser_cards[7]; + break; + default: + return 0; + } + + irq = 0; + /* some ISA cards have 2 ports, but we want to see them as 4-port (why?) + Flag-hack checks if configuration should be read as 2-port here. */ + if (brd->info->nports == 2 || (brd->info->flags & MXSER_HAS2)) { + irq = regs[9] & 0xF000; + irq = irq | (irq >> 4); + if (irq != (regs[9] & 0xFF00)) + return MXSER_ERR_IRQ_CONFLIT; + } else if (brd->info->nports == 4) { + irq = regs[9] & 0xF000; + irq = irq | (irq >> 4); + irq = irq | (irq >> 8); + if (irq != regs[9]) + return MXSER_ERR_IRQ_CONFLIT; + } else if (brd->info->nports == 8) { + irq = regs[9] & 0xF000; + irq = irq | (irq >> 4); + irq = irq | (irq >> 8); + if ((irq != regs[9]) || (irq != regs[10])) + return MXSER_ERR_IRQ_CONFLIT; + } + + if (!irq) + return MXSER_ERR_IRQ; + brd->irq = ((int)(irq & 0xF000) >> 12); + for (i = 0; i < 8; i++) + brd->ports[i].ioaddr = (int) regs[i + 1] & 0xFFF8; + if ((regs[12] & 0x80) == 0) + return MXSER_ERR_VECTOR; + brd->vector = (int)regs[11]; /* interrupt vector */ + if (id == 1) + brd->vector_mask = 0x00FF; + else + brd->vector_mask = 0x000F; + for (i = 7, bits = 0x0100; i >= 0; i--, bits <<= 1) { + if (regs[12] & bits) { + brd->ports[i].baud_base = 921600; + brd->ports[i].max_baud = 921600; + } else { + brd->ports[i].baud_base = 115200; + brd->ports[i].max_baud = 115200; + } + } + scratch2 = inb(cap + UART_LCR) & (~UART_LCR_DLAB); + outb(scratch2 | UART_LCR_DLAB, cap + UART_LCR); + outb(0, cap + UART_EFR); /* EFR is the same as FCR */ + outb(scratch2, cap + UART_LCR); + outb(UART_FCR_ENABLE_FIFO, cap + UART_FCR); + scratch = inb(cap + UART_IIR); + + if (scratch & 0xC0) + brd->uart_type = PORT_16550A; + else + brd->uart_type = PORT_16450; + if (!request_region(brd->ports[0].ioaddr, 8 * brd->info->nports, + "mxser(IO)")) + return MXSER_ERR_IOADDR; + if (!request_region(brd->vector, 1, "mxser(vector)")) { + release_region(brd->ports[0].ioaddr, 8 * brd->info->nports); + return MXSER_ERR_VECTOR; + } + return brd->info->nports; +} + +static int __devinit mxser_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ +#ifdef CONFIG_PCI + struct mxser_board *brd; + unsigned int i, j; + unsigned long ioaddress; + int retval = -EINVAL; + + for (i = 0; i < MXSER_BOARDS; i++) + if (mxser_boards[i].info == NULL) + break; + + if (i >= MXSER_BOARDS) { + printk(KERN_ERR "Too many Smartio/Industio family boards found " + "(maximum %d), board not configured\n", MXSER_BOARDS); + goto err; + } + + brd = &mxser_boards[i]; + brd->idx = i * MXSER_PORTS_PER_BOARD; + printk(KERN_INFO "Found MOXA %s board (BusNo=%d, DevNo=%d)\n", + mxser_cards[ent->driver_data].name, + pdev->bus->number, PCI_SLOT(pdev->devfn)); + + retval = pci_enable_device(pdev); + if (retval) { + printk(KERN_ERR "Moxa SmartI/O PCI enable fail !\n"); + goto err; + } + + /* io address */ + ioaddress = pci_resource_start(pdev, 2); + retval = pci_request_region(pdev, 2, "mxser(IO)"); + if (retval) + goto err; + + brd->info = &mxser_cards[ent->driver_data]; + for (i = 0; i < brd->info->nports; i++) + brd->ports[i].ioaddr = ioaddress + 8 * i; + + /* vector */ + ioaddress = pci_resource_start(pdev, 3); + retval = pci_request_region(pdev, 3, "mxser(vector)"); + if (retval) + goto err_relio; + brd->vector = ioaddress; + + /* irq */ + brd->irq = pdev->irq; + + brd->chip_flag = CheckIsMoxaMust(brd->ports[0].ioaddr); + brd->uart_type = PORT_16550A; + brd->vector_mask = 0; + + for (i = 0; i < brd->info->nports; i++) { + for (j = 0; j < UART_INFO_NUM; j++) { + if (Gpci_uart_info[j].type == brd->chip_flag) { + brd->ports[i].max_baud = + Gpci_uart_info[j].max_baud; + + /* exception....CP-102 */ + if (brd->info->flags & MXSER_HIGHBAUD) + brd->ports[i].max_baud = 921600; + break; + } + } + } + + if (brd->chip_flag == MOXA_MUST_MU860_HWID) { + for (i = 0; i < brd->info->nports; i++) { + if (i < 4) + brd->ports[i].opmode_ioaddr = ioaddress + 4; + else + brd->ports[i].opmode_ioaddr = ioaddress + 0x0c; + } + outb(0, ioaddress + 4); /* default set to RS232 mode */ + outb(0, ioaddress + 0x0c); /* default set to RS232 mode */ + } + + for (i = 0; i < brd->info->nports; i++) { + brd->vector_mask |= (1 << i); + brd->ports[i].baud_base = 921600; + } + + /* mxser_initbrd will hook ISR. */ + if (mxser_initbrd(brd, pdev) < 0) + goto err_relvec; + + for (i = 0; i < brd->info->nports; i++) + tty_register_device(mxvar_sdriver, brd->idx + i, &pdev->dev); + + pci_set_drvdata(pdev, brd); + + return 0; +err_relvec: + pci_release_region(pdev, 3); +err_relio: + pci_release_region(pdev, 2); + brd->info = NULL; +err: + return retval; +#else + return -ENODEV; +#endif +} + +static void __devexit mxser_remove(struct pci_dev *pdev) +{ + struct mxser_board *brd = pci_get_drvdata(pdev); + unsigned int i; + + for (i = 0; i < brd->info->nports; i++) + tty_unregister_device(mxvar_sdriver, brd->idx + i); + + mxser_release_res(brd, pdev, 1); +} + +static struct pci_driver mxser_driver = { + .name = "mxser", + .id_table = mxser_pcibrds, + .probe = mxser_probe, + .remove = __devexit_p(mxser_remove) +}; + +static int __init mxser_module_init(void) +{ + struct mxser_board *brd; + unsigned long cap; + unsigned int i, m, isaloop; + int retval, b; + + pr_debug("Loading module mxser ...\n"); + + mxvar_sdriver = alloc_tty_driver(MXSER_PORTS + 1); + if (!mxvar_sdriver) + return -ENOMEM; + spin_lock_init(&gm_lock); + + printk(KERN_INFO "MOXA Smartio/Industio family driver version %s\n", + MXSER_VERSION); + + /* Initialize the tty_driver structure */ + mxvar_sdriver->owner = THIS_MODULE; + mxvar_sdriver->magic = TTY_DRIVER_MAGIC; + mxvar_sdriver->name = "ttyMI"; + mxvar_sdriver->major = ttymajor; + mxvar_sdriver->minor_start = 0; + mxvar_sdriver->num = MXSER_PORTS + 1; + mxvar_sdriver->type = TTY_DRIVER_TYPE_SERIAL; + mxvar_sdriver->subtype = SERIAL_TYPE_NORMAL; + mxvar_sdriver->init_termios = tty_std_termios; + mxvar_sdriver->init_termios.c_cflag = B9600|CS8|CREAD|HUPCL|CLOCAL; + mxvar_sdriver->flags = TTY_DRIVER_REAL_RAW|TTY_DRIVER_DYNAMIC_DEV; + tty_set_operations(mxvar_sdriver, &mxser_ops); + + retval = tty_register_driver(mxvar_sdriver); + if (retval) { + printk(KERN_ERR "Couldn't install MOXA Smartio/Industio family " + "tty driver !\n"); + goto err_put; + } + + mxvar_diagflag = 0; + + m = 0; + /* Start finding ISA boards here */ + for (isaloop = 0; isaloop < 2; isaloop++) + for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) { + if (!isaloop) + cap = mxserBoardCAP[b]; /* predefined */ + else + cap = ioaddr[b]; /* module param */ + + if (!cap) + continue; + + brd = &mxser_boards[m]; + retval = mxser_get_ISA_conf(cap, brd); + + if (retval != 0) + printk(KERN_INFO "Found MOXA %s board " + "(CAP=0x%x)\n", + brd->info->name, ioaddr[b]); + + if (retval <= 0) { + if (retval == MXSER_ERR_IRQ) + printk(KERN_ERR "Invalid interrupt " + "number, board not " + "configured\n"); + else if (retval == MXSER_ERR_IRQ_CONFLIT) + printk(KERN_ERR "Invalid interrupt " + "number, board not " + "configured\n"); + else if (retval == MXSER_ERR_VECTOR) + printk(KERN_ERR "Invalid interrupt " + "vector, board not " + "configured\n"); + else if (retval == MXSER_ERR_IOADDR) + printk(KERN_ERR "Invalid I/O address, " + "board not configured\n"); + + brd->info = NULL; + continue; + } + + /* mxser_initbrd will hook ISR. */ + if (mxser_initbrd(brd, NULL) < 0) { + brd->info = NULL; + continue; + } + + brd->idx = m * MXSER_PORTS_PER_BOARD; + for (i = 0; i < brd->info->nports; i++) + tty_register_device(mxvar_sdriver, brd->idx + i, + NULL); + + m++; + } + + retval = pci_register_driver(&mxser_driver); + if (retval) { + printk(KERN_ERR "Can't register pci driver\n"); + if (!m) { + retval = -ENODEV; + goto err_unr; + } /* else: we have some ISA cards under control */ + } + + pr_debug("Done.\n"); + + return 0; +err_unr: + tty_unregister_driver(mxvar_sdriver); +err_put: + put_tty_driver(mxvar_sdriver); + return retval; +} + +static void __exit mxser_module_exit(void) +{ + unsigned int i, j; + + pr_debug("Unloading module mxser ...\n"); + + pci_unregister_driver(&mxser_driver); + + for (i = 0; i < MXSER_BOARDS; i++) /* ISA remains */ + if (mxser_boards[i].info != NULL) + for (j = 0; j < mxser_boards[i].info->nports; j++) + tty_unregister_device(mxvar_sdriver, + mxser_boards[i].idx + j); + tty_unregister_driver(mxvar_sdriver); + put_tty_driver(mxvar_sdriver); + + for (i = 0; i < MXSER_BOARDS; i++) + if (mxser_boards[i].info != NULL) + mxser_release_res(&mxser_boards[i], NULL, 1); + + pr_debug("Done.\n"); +} + +module_init(mxser_module_init); +module_exit(mxser_module_exit); diff --git a/drivers/char/mxser_new.h b/drivers/char/mxser_new.h new file mode 100644 index 00000000000..a08f0ecb09b --- /dev/null +++ b/drivers/char/mxser_new.h @@ -0,0 +1,450 @@ +#ifndef _MXSER_H +#define _MXSER_H + +/* + * Semi-public control interfaces + */ + +/* + * MOXA ioctls + */ + +#define MOXA 0x400 +#define MOXA_GETDATACOUNT (MOXA + 23) +#define MOXA_GET_CONF (MOXA + 35) +#define MOXA_DIAGNOSE (MOXA + 50) +#define MOXA_CHKPORTENABLE (MOXA + 60) +#define MOXA_HighSpeedOn (MOXA + 61) +#define MOXA_GET_MAJOR (MOXA + 63) +#define MOXA_GET_CUMAJOR (MOXA + 64) +#define MOXA_GETMSTATUS (MOXA + 65) +#define MOXA_SET_OP_MODE (MOXA + 66) +#define MOXA_GET_OP_MODE (MOXA + 67) + +#define RS232_MODE 0 +#define RS485_2WIRE_MODE 1 +#define RS422_MODE 2 +#define RS485_4WIRE_MODE 3 +#define OP_MODE_MASK 3 +// above add by Victor Yu. 01-05-2004 + +#define TTY_THRESHOLD_THROTTLE 128 + +#define LO_WATER (TTY_FLIPBUF_SIZE) +#define HI_WATER (TTY_FLIPBUF_SIZE*2*3/4) + +// added by James. 03-11-2004. +#define MOXA_SDS_GETICOUNTER (MOXA + 68) +#define MOXA_SDS_RSTICOUNTER (MOXA + 69) +// (above) added by James. + +#define MOXA_ASPP_OQUEUE (MOXA + 70) +#define MOXA_ASPP_SETBAUD (MOXA + 71) +#define MOXA_ASPP_GETBAUD (MOXA + 72) +#define MOXA_ASPP_MON (MOXA + 73) +#define MOXA_ASPP_LSTATUS (MOXA + 74) +#define MOXA_ASPP_MON_EXT (MOXA + 75) +#define MOXA_SET_BAUD_METHOD (MOXA + 76) + + +/* --------------------------------------------------- */ + +#define NPPI_NOTIFY_PARITY 0x01 +#define NPPI_NOTIFY_FRAMING 0x02 +#define NPPI_NOTIFY_HW_OVERRUN 0x04 +#define NPPI_NOTIFY_SW_OVERRUN 0x08 +#define NPPI_NOTIFY_BREAK 0x10 + +#define NPPI_NOTIFY_CTSHOLD 0x01 // Tx hold by CTS low +#define NPPI_NOTIFY_DSRHOLD 0x02 // Tx hold by DSR low +#define NPPI_NOTIFY_XOFFHOLD 0x08 // Tx hold by Xoff received +#define NPPI_NOTIFY_XOFFXENT 0x10 // Xoff Sent + +//CheckIsMoxaMust return value +#define MOXA_OTHER_UART 0x00 +#define MOXA_MUST_MU150_HWID 0x01 +#define MOXA_MUST_MU860_HWID 0x02 + +// follow just for Moxa Must chip define. +// +// when LCR register (offset 0x03) write following value, +// the Must chip will enter enchance mode. And write value +// on EFR (offset 0x02) bit 6,7 to change bank. +#define MOXA_MUST_ENTER_ENCHANCE 0xBF + +// when enhance mode enable, access on general bank register +#define MOXA_MUST_GDL_REGISTER 0x07 +#define MOXA_MUST_GDL_MASK 0x7F +#define MOXA_MUST_GDL_HAS_BAD_DATA 0x80 + +#define MOXA_MUST_LSR_RERR 0x80 // error in receive FIFO +// enchance register bank select and enchance mode setting register +// when LCR register equal to 0xBF +#define MOXA_MUST_EFR_REGISTER 0x02 +// enchance mode enable +#define MOXA_MUST_EFR_EFRB_ENABLE 0x10 +// enchance reister bank set 0, 1, 2 +#define MOXA_MUST_EFR_BANK0 0x00 +#define MOXA_MUST_EFR_BANK1 0x40 +#define MOXA_MUST_EFR_BANK2 0x80 +#define MOXA_MUST_EFR_BANK3 0xC0 +#define MOXA_MUST_EFR_BANK_MASK 0xC0 + +// set XON1 value register, when LCR=0xBF and change to bank0 +#define MOXA_MUST_XON1_REGISTER 0x04 + +// set XON2 value register, when LCR=0xBF and change to bank0 +#define MOXA_MUST_XON2_REGISTER 0x05 + +// set XOFF1 value register, when LCR=0xBF and change to bank0 +#define MOXA_MUST_XOFF1_REGISTER 0x06 + +// set XOFF2 value register, when LCR=0xBF and change to bank0 +#define MOXA_MUST_XOFF2_REGISTER 0x07 + +#define MOXA_MUST_RBRTL_REGISTER 0x04 +#define MOXA_MUST_RBRTH_REGISTER 0x05 +#define MOXA_MUST_RBRTI_REGISTER 0x06 +#define MOXA_MUST_THRTL_REGISTER 0x07 +#define MOXA_MUST_ENUM_REGISTER 0x04 +#define MOXA_MUST_HWID_REGISTER 0x05 +#define MOXA_MUST_ECR_REGISTER 0x06 +#define MOXA_MUST_CSR_REGISTER 0x07 + +// good data mode enable +#define MOXA_MUST_FCR_GDA_MODE_ENABLE 0x20 +// only good data put into RxFIFO +#define MOXA_MUST_FCR_GDA_ONLY_ENABLE 0x10 + +// enable CTS interrupt +#define MOXA_MUST_IER_ECTSI 0x80 +// enable RTS interrupt +#define MOXA_MUST_IER_ERTSI 0x40 +// enable Xon/Xoff interrupt +#define MOXA_MUST_IER_XINT 0x20 +// enable GDA interrupt +#define MOXA_MUST_IER_EGDAI 0x10 + +#define MOXA_MUST_RECV_ISR (UART_IER_RDI | MOXA_MUST_IER_EGDAI) + +// GDA interrupt pending +#define MOXA_MUST_IIR_GDA 0x1C +#define MOXA_MUST_IIR_RDA 0x04 +#define MOXA_MUST_IIR_RTO 0x0C +#define MOXA_MUST_IIR_LSR 0x06 + +// recieved Xon/Xoff or specical interrupt pending +#define MOXA_MUST_IIR_XSC 0x10 + +// RTS/CTS change state interrupt pending +#define MOXA_MUST_IIR_RTSCTS 0x20 +#define MOXA_MUST_IIR_MASK 0x3E + +#define MOXA_MUST_MCR_XON_FLAG 0x40 +#define MOXA_MUST_MCR_XON_ANY 0x80 +#define MOXA_MUST_MCR_TX_XON 0x08 + + +// software flow control on chip mask value +#define MOXA_MUST_EFR_SF_MASK 0x0F +// send Xon1/Xoff1 +#define MOXA_MUST_EFR_SF_TX1 0x08 +// send Xon2/Xoff2 +#define MOXA_MUST_EFR_SF_TX2 0x04 +// send Xon1,Xon2/Xoff1,Xoff2 +#define MOXA_MUST_EFR_SF_TX12 0x0C +// don't send Xon/Xoff +#define MOXA_MUST_EFR_SF_TX_NO 0x00 +// Tx software flow control mask +#define MOXA_MUST_EFR_SF_TX_MASK 0x0C +// don't receive Xon/Xoff +#define MOXA_MUST_EFR_SF_RX_NO 0x00 +// receive Xon1/Xoff1 +#define MOXA_MUST_EFR_SF_RX1 0x02 +// receive Xon2/Xoff2 +#define MOXA_MUST_EFR_SF_RX2 0x01 +// receive Xon1,Xon2/Xoff1,Xoff2 +#define MOXA_MUST_EFR_SF_RX12 0x03 +// Rx software flow control mask +#define MOXA_MUST_EFR_SF_RX_MASK 0x03 + +//#define MOXA_MUST_MIN_XOFFLIMIT 66 +//#define MOXA_MUST_MIN_XONLIMIT 20 +//#define ID1_RX_TRIG 120 + + +#define CHECK_MOXA_MUST_XOFFLIMIT(info) { \ + if ( (info)->IsMoxaMustChipFlag && \ + (info)->HandFlow.XoffLimit < MOXA_MUST_MIN_XOFFLIMIT ) { \ + (info)->HandFlow.XoffLimit = MOXA_MUST_MIN_XOFFLIMIT; \ + (info)->HandFlow.XonLimit = MOXA_MUST_MIN_XONLIMIT; \ + } \ +} + +#define ENABLE_MOXA_MUST_ENCHANCE_MODE(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr |= MOXA_MUST_EFR_EFRB_ENABLE; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define DISABLE_MOXA_MUST_ENCHANCE_MODE(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_EFRB_ENABLE; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_XON1_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK0; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_XON1_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_XON2_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK0; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_XON2_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_XOFF1_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK0; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_XOFF1_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_XOFF2_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK0; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_XOFF2_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_RBRTL_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_RBRTL_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_RBRTH_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_RBRTH_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_RBRTI_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_RBRTI_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_THRTL_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_THRTL_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +//#define MOXA_MUST_RBRL_VALUE 4 +#define SET_MOXA_MUST_FIFO_VALUE(info) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((info)->ioaddr+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (info)->ioaddr+UART_LCR); \ + __efr = inb((info)->ioaddr+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK1; \ + outb(__efr, (info)->ioaddr+MOXA_MUST_EFR_REGISTER); \ + outb((u8)((info)->rx_high_water), (info)->ioaddr+MOXA_MUST_RBRTH_REGISTER); \ + outb((u8)((info)->rx_trigger), (info)->ioaddr+MOXA_MUST_RBRTI_REGISTER); \ + outb((u8)((info)->rx_low_water), (info)->ioaddr+MOXA_MUST_RBRTL_REGISTER); \ + outb(__oldlcr, (info)->ioaddr+UART_LCR); \ +} + + + +#define SET_MOXA_MUST_ENUM_VALUE(baseio, Value) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK2; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb((u8)(Value), (baseio)+MOXA_MUST_ENUM_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define GET_MOXA_MUST_HARDWARE_ID(baseio, pId) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_BANK_MASK; \ + __efr |= MOXA_MUST_EFR_BANK2; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + *pId = inb((baseio)+MOXA_MUST_HWID_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_MASK; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_JUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_MASK; \ + __efr |= MOXA_MUST_EFR_SF_TX1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \ + __efr |= MOXA_MUST_EFR_SF_TX1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define SET_MOXA_MUST_JUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_MASK; \ + __efr |= MOXA_MUST_EFR_SF_RX1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \ + __efr |= MOXA_MUST_EFR_SF_RX1; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define ENABLE_MOXA_MUST_TX_RX_SOFTWARE_FLOW_CONTROL(baseio) { \ + u8 __oldlcr, __efr; \ + __oldlcr = inb((baseio)+UART_LCR); \ + outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \ + __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \ + __efr &= ~MOXA_MUST_EFR_SF_MASK; \ + __efr |= (MOXA_MUST_EFR_SF_RX1|MOXA_MUST_EFR_SF_TX1); \ + outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \ + outb(__oldlcr, (baseio)+UART_LCR); \ +} + +#define ENABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) { \ + u8 __oldmcr; \ + __oldmcr = inb((baseio)+UART_MCR); \ + __oldmcr |= MOXA_MUST_MCR_XON_ANY; \ + outb(__oldmcr, (baseio)+UART_MCR); \ +} + +#define DISABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) { \ + u8 __oldmcr; \ + __oldmcr = inb((baseio)+UART_MCR); \ + __oldmcr &= ~MOXA_MUST_MCR_XON_ANY; \ + outb(__oldmcr, (baseio)+UART_MCR); \ +} + +#define READ_MOXA_MUST_GDL(baseio) inb((baseio)+MOXA_MUST_GDL_REGISTER) + + +#ifndef INIT_WORK +#define INIT_WORK(_work, _func, _data){ \ + _data->tqueue.routine = _func;\ + _data->tqueue.data = _data;\ + } +#endif + +#endif diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index 203dc2b661d..dc6d4184145 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -125,8 +125,8 @@ static void transmit_block(struct r3964_info *pInfo); static void receive_char(struct r3964_info *pInfo, const unsigned char c); static void receive_error(struct r3964_info *pInfo, const char flag); static void on_timeout(unsigned long priv); -static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg); -static int read_telegram(struct r3964_info *pInfo, pid_t pid, unsigned char __user *buf); +static int enable_signals(struct r3964_info *pInfo, struct pid *pid, int arg); +static int read_telegram(struct r3964_info *pInfo, struct pid *pid, unsigned char __user *buf); static void add_msg(struct r3964_client_info *pClient, int msg_id, int arg, int error_code, struct r3964_block_header *pBlock); static struct r3964_message* remove_msg(struct r3964_info *pInfo, @@ -142,7 +142,7 @@ static ssize_t r3964_write(struct tty_struct * tty, struct file * file, const unsigned char * buf, size_t nr); static int r3964_ioctl(struct tty_struct * tty, struct file * file, unsigned int cmd, unsigned long arg); -static void r3964_set_termios(struct tty_struct *tty, struct termios * old); +static void r3964_set_termios(struct tty_struct *tty, struct ktermios * old); static unsigned int r3964_poll(struct tty_struct * tty, struct file * file, struct poll_table_struct *wait); static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp, @@ -829,7 +829,7 @@ static void on_timeout(unsigned long priv) } static struct r3964_client_info *findClient( - struct r3964_info *pInfo, pid_t pid) + struct r3964_info *pInfo, struct pid *pid) { struct r3964_client_info *pClient; @@ -843,7 +843,7 @@ static struct r3964_client_info *findClient( return NULL; } -static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) +static int enable_signals(struct r3964_info *pInfo, struct pid *pid, int arg) { struct r3964_client_info *pClient; struct r3964_client_info **ppClient; @@ -858,7 +858,7 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) if(pClient->pid == pid) { - TRACE_PS("removing client %d from client list", pid); + TRACE_PS("removing client %d from client list", pid_nr(pid)); *ppClient = pClient->next; while(pClient->msg_count) { @@ -869,6 +869,7 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) TRACE_M("enable_signals - msg kfree %p",pMsg); } } + put_pid(pClient->pid); kfree(pClient); TRACE_M("enable_signals - kfree %p",pClient); return 0; @@ -892,10 +893,10 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) if(pClient==NULL) return -ENOMEM; - TRACE_PS("add client %d to client list", pid); + TRACE_PS("add client %d to client list", pid_nr(pid)); spin_lock_init(&pClient->lock); pClient->sig_flags=arg; - pClient->pid = pid; + pClient->pid = get_pid(pid); pClient->next=pInfo->firstClient; pClient->first_msg = NULL; pClient->last_msg = NULL; @@ -908,7 +909,7 @@ static int enable_signals(struct r3964_info *pInfo, pid_t pid, int arg) return 0; } -static int read_telegram(struct r3964_info *pInfo, pid_t pid, unsigned char __user *buf) +static int read_telegram(struct r3964_info *pInfo, struct pid *pid, unsigned char __user *buf) { struct r3964_client_info *pClient; struct r3964_block_header *block; @@ -1005,7 +1006,7 @@ queue_the_message: /* Send SIGIO signal to client process: */ if(pClient->sig_flags & R3964_USE_SIGIO) { - kill_proc(pClient->pid, SIGIO, 1); + kill_pid(pClient->pid, SIGIO, 1); } } @@ -1042,7 +1043,7 @@ static void remove_client_block(struct r3964_info *pInfo, { struct r3964_block_header *block; - TRACE_PS("remove_client_block PID %d", pClient->pid); + TRACE_PS("remove_client_block PID %d", pid_nr(pClient->pid)); block=pClient->next_block_to_read; if(block) @@ -1157,6 +1158,7 @@ static void r3964_close(struct tty_struct *tty) TRACE_M("r3964_close - msg kfree %p",pMsg); } } + put_pid(pClient->pid); kfree(pClient); TRACE_M("r3964_close - client kfree %p",pClient); pClient=pNext; @@ -1193,12 +1195,11 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file, struct r3964_client_message theMsg; DECLARE_WAITQUEUE (wait, current); - int pid = current->pid; int count; TRACE_L("read()"); - pClient=findClient(pInfo, pid); + pClient=findClient(pInfo, task_pid(current)); if(pClient) { pMsg = remove_msg(pInfo, pClient); @@ -1252,7 +1253,6 @@ static ssize_t r3964_write(struct tty_struct * tty, struct file * file, struct r3964_block_header *pHeader; struct r3964_client_info *pClient; unsigned char *new_data; - int pid; TRACE_L("write request, %d characters", count); /* @@ -1295,9 +1295,7 @@ static ssize_t r3964_write(struct tty_struct * tty, struct file * file, pHeader->locks = 0; pHeader->owner = NULL; - pid=current->pid; - - pClient=findClient(pInfo, pid); + pClient=findClient(pInfo, task_pid(current)); if(pClient) { pHeader->owner = pClient; @@ -1328,7 +1326,7 @@ static int r3964_ioctl(struct tty_struct * tty, struct file * file, switch(cmd) { case R3964_ENABLE_SIGNALS: - return enable_signals(pInfo, current->pid, arg); + return enable_signals(pInfo, task_pid(current), arg); case R3964_SETPRIORITY: if(arg<R3964_MASTER || arg>R3964_SLAVE) return -EINVAL; @@ -1341,13 +1339,13 @@ static int r3964_ioctl(struct tty_struct * tty, struct file * file, pInfo->flags &= ~R3964_BCC; return 0; case R3964_READ_TELEGRAM: - return read_telegram(pInfo, current->pid, (unsigned char __user *)arg); + return read_telegram(pInfo, task_pid(current), (unsigned char __user *)arg); default: return -ENOIOCTLCMD; } } -static void r3964_set_termios(struct tty_struct *tty, struct termios * old) +static void r3964_set_termios(struct tty_struct *tty, struct ktermios * old) { TRACE_L("set_termios"); } @@ -1357,7 +1355,6 @@ static unsigned int r3964_poll(struct tty_struct * tty, struct file * file, struct poll_table_struct *wait) { struct r3964_info *pInfo=(struct r3964_info*)tty->disc_data; - int pid=current->pid; struct r3964_client_info *pClient; struct r3964_message *pMsg=NULL; unsigned long flags; @@ -1365,7 +1362,7 @@ static unsigned int r3964_poll(struct tty_struct * tty, struct file * file, TRACE_L("POLL"); - pClient=findClient(pInfo,pid); + pClient=findClient(pInfo, task_pid(current)); if(pClient) { poll_wait(file, &pInfo->read_wait, wait); diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 603b9ade5eb..2bdb0144a22 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -994,7 +994,7 @@ int is_ignored(int sig) * when the ldisc is closed. */ -static void n_tty_set_termios(struct tty_struct *tty, struct termios * old) +static void n_tty_set_termios(struct tty_struct *tty, struct ktermios * old) { if (!tty) return; @@ -1151,7 +1151,6 @@ static int copy_from_read_buf(struct tty_struct *tty, n = min(*nr, n); spin_unlock_irqrestore(&tty->read_lock, flags); if (n) { - mb(); retval = copy_to_user(*b, &tty->read_buf[tty->read_tail], n); n -= retval; spin_lock_irqsave(&tty->read_lock, flags); diff --git a/drivers/char/nsc_gpio.c b/drivers/char/nsc_gpio.c index 4d47d79bcea..808d44e9a32 100644 --- a/drivers/char/nsc_gpio.c +++ b/drivers/char/nsc_gpio.c @@ -41,7 +41,7 @@ void nsc_gpio_dump(struct nsc_gpio_ops *amp, unsigned index) ssize_t nsc_gpio_write(struct file *file, const char __user *data, size_t len, loff_t *ppos) { - unsigned m = iminor(file->f_dentry->d_inode); + unsigned m = iminor(file->f_path.dentry->d_inode); struct nsc_gpio_ops *amp = file->private_data; struct device *dev = amp->dev; size_t i; @@ -104,7 +104,7 @@ ssize_t nsc_gpio_write(struct file *file, const char __user *data, ssize_t nsc_gpio_read(struct file *file, char __user * buf, size_t len, loff_t * ppos) { - unsigned m = iminor(file->f_dentry->d_inode); + unsigned m = iminor(file->f_path.dentry->d_inode); int value; struct nsc_gpio_ops *amp = file->private_data; diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 74d21c1c104..f108c136800 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -541,7 +541,7 @@ static int mgslpc_probe(struct pcmcia_device *link) if (debug_level >= DEBUG_LEVEL_INFO) printk("mgslpc_attach\n"); - info = (MGSLPC_INFO *)kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); + info = kmalloc(sizeof(MGSLPC_INFO), GFP_KERNEL); if (!info) { printk("Error can't allocate device instance data\n"); return -ENOMEM; @@ -2375,7 +2375,7 @@ static int ioctl_common(MGSLPC_INFO *info, unsigned int cmd, unsigned long arg) * tty pointer to tty structure * termios pointer to buffer to hold returned old termios */ -static void mgslpc_set_termios(struct tty_struct *tty, struct termios *old_termios) +static void mgslpc_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data; unsigned long flags; diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index c1e3dd837fc..4abd1eff61d 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -106,7 +106,7 @@ static inline void pp_enable_irq (struct pp_struct *pp) static ssize_t pp_read (struct file * file, char __user * buf, size_t count, loff_t * ppos) { - unsigned int minor = iminor(file->f_dentry->d_inode); + unsigned int minor = iminor(file->f_path.dentry->d_inode); struct pp_struct *pp = file->private_data; char * kbuffer; ssize_t bytes_read = 0; @@ -189,7 +189,7 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count, static ssize_t pp_write (struct file * file, const char __user * buf, size_t count, loff_t * ppos) { - unsigned int minor = iminor(file->f_dentry->d_inode); + unsigned int minor = iminor(file->f_path.dentry->d_inode); struct pp_struct *pp = file->private_data; char * kbuffer; ssize_t bytes_written = 0; diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 80d3eedd7f9..c07a1b5cd05 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -218,7 +218,7 @@ out: return retval; } -static void pty_set_termios(struct tty_struct *tty, struct termios *old_termios) +static void pty_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { tty->termios->c_cflag &= ~(CSIZE | PARENB); tty->termios->c_cflag |= (CS8 | CREAD); @@ -272,6 +272,8 @@ static void __init legacy_pty_init(void) pty_driver->init_termios.c_oflag = 0; pty_driver->init_termios.c_cflag = B38400 | CS8 | CREAD; pty_driver->init_termios.c_lflag = 0; + pty_driver->init_termios.c_ispeed = 38400; + pty_driver->init_termios.c_ospeed = 38400; pty_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW; pty_driver->other = pty_slave_driver; tty_set_operations(pty_driver, &pty_ops); @@ -286,6 +288,8 @@ static void __init legacy_pty_init(void) pty_slave_driver->subtype = PTY_TYPE_SLAVE; pty_slave_driver->init_termios = tty_std_termios; pty_slave_driver->init_termios.c_cflag = B38400 | CS8 | CREAD; + pty_slave_driver->init_termios.c_ispeed = 38400; + pty_slave_driver->init_termios.c_ospeed = 38400; pty_slave_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW; pty_slave_driver->other = pty_driver; @@ -366,6 +370,8 @@ static void __init unix98_pty_init(void) ptm_driver->init_termios.c_oflag = 0; ptm_driver->init_termios.c_cflag = B38400 | CS8 | CREAD; ptm_driver->init_termios.c_lflag = 0; + ptm_driver->init_termios.c_ispeed = 38400; + ptm_driver->init_termios.c_ospeed = 38400; ptm_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM; ptm_driver->other = pts_driver; @@ -381,6 +387,8 @@ static void __init unix98_pty_init(void) pts_driver->subtype = PTY_TYPE_SLAVE; pts_driver->init_termios = tty_std_termios; pts_driver->init_termios.c_cflag = B38400 | CS8 | CREAD; + pts_driver->init_termios.c_ispeed = 38400; + pts_driver->init_termios.c_ospeed = 38400; pts_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM; pts_driver->other = ptm_driver; diff --git a/drivers/char/random.c b/drivers/char/random.c index 4c6782a1ecd..13d0b1350a6 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1048,7 +1048,7 @@ random_write(struct file * file, const char __user * buffer, if (p == buffer) { return (ssize_t)ret; } else { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; inode->i_mtime = current_fs_time(inode->i_sb); mark_inode_dirty(inode); return (ssize_t)(p - buffer); @@ -1203,7 +1203,7 @@ static int proc_do_uuid(ctl_table *table, int write, struct file *filp, static int uuid_strategy(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen, void **context) + void __user *newval, size_t newlen) { unsigned char tmp_uuid[16], *uuid; unsigned int len; diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 3b32313f6eb..645e20a06ec 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -75,7 +75,7 @@ static int raw_open(struct inode *inode, struct file *filp) filp->f_flags |= O_DIRECT; filp->f_mapping = bdev->bd_inode->i_mapping; if (++raw_devices[minor].inuse == 1) - filp->f_dentry->d_inode->i_mapping = + filp->f_path.dentry->d_inode->i_mapping = bdev->bd_inode->i_mapping; filp->private_data = bdev; mutex_unlock(&raw_mutex); diff --git a/drivers/char/rio/riocmd.c b/drivers/char/rio/riocmd.c index 167ebc84e8d..245f03195b7 100644 --- a/drivers/char/rio/riocmd.c +++ b/drivers/char/rio/riocmd.c @@ -556,7 +556,7 @@ struct CmdBlk *RIOGetCmdBlk(void) { struct CmdBlk *CmdBlkP; - CmdBlkP = (struct CmdBlk *)kmalloc(sizeof(struct CmdBlk), GFP_ATOMIC); + CmdBlkP = kmalloc(sizeof(struct CmdBlk), GFP_ATOMIC); if (CmdBlkP) memset(CmdBlkP, 0, sizeof(struct CmdBlk)); return CmdBlkP; diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 0a77bfcd5b5..e2a94bfb2a4 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1539,7 +1539,7 @@ static void rc_hangup(struct tty_struct * tty) wake_up_interruptible(&port->open_wait); } -static void rc_set_termios(struct tty_struct * tty, struct termios * old_termios) +static void rc_set_termios(struct tty_struct * tty, struct ktermios * old_termios) { struct riscom_port *port = (struct riscom_port *)tty->driver_data; unsigned long flags; @@ -1614,6 +1614,8 @@ static inline int rc_init_drivers(void) riscom_driver->init_termios = tty_std_termios; riscom_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + riscom_driver->init_termios.c_ispeed = 9600; + riscom_driver->init_termios.c_ospeed = 9600; riscom_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(riscom_driver, &riscom_ops); if ((error = tty_register_driver(riscom_driver))) { diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index bac80056f7e..e94a62e30fc 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -712,7 +712,7 @@ static void init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev) * user mode into the driver (exception handler). *info CD manipulation is spinlock protected. */ static void configure_r_port(struct r_port *info, - struct termios *old_termios) + struct ktermios *old_termios) { unsigned cflag; unsigned long flags; @@ -1017,7 +1017,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp) /* * Info->count is now 1; so it's safe to sleep now. */ - info->session = current->signal->session; + info->session = process_session(current); info->pgrp = process_group(current); if ((info->flags & ROCKET_INITIALIZED) == 0) { @@ -1194,7 +1194,7 @@ static void rp_close(struct tty_struct *tty, struct file *filp) } static void rp_set_termios(struct tty_struct *tty, - struct termios *old_termios) + struct ktermios *old_termios) { struct r_port *info = (struct r_port *) tty->driver_data; CHANNEL_t *cp; @@ -2214,7 +2214,7 @@ static int __init init_PCI(int boards_found) int count = 0; /* Work through the PCI device list, pulling out ours */ - while ((dev = pci_find_device(PCI_VENDOR_ID_RP, PCI_ANY_ID, dev))) { + while ((dev = pci_get_device(PCI_VENDOR_ID_RP, PCI_ANY_ID, dev))) { if (register_PCI(count + boards_found, dev)) count++; } @@ -2436,6 +2436,8 @@ static int __init rp_init(void) rocket_driver->init_termios = tty_std_termios; rocket_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + rocket_driver->init_termios.c_ispeed = 9600; + rocket_driver->init_termios.c_ospeed = 9600; #ifdef ROCKET_SOFT_FLOW rocket_driver->flags |= TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; #endif diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 66a7385bc34..664f36c98e6 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -113,7 +113,12 @@ static int rtc_has_irq = 1; #define hpet_set_rtc_irq_bit(arg) 0 #define hpet_rtc_timer_init() do { } while (0) #define hpet_rtc_dropped_irq() 0 -static inline irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) {return 0;} +#ifdef RTC_IRQ +static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) +{ + return 0; +} +#endif #else extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id); #endif @@ -165,7 +170,9 @@ static void mask_rtc_irq_bit(unsigned char bit) } #endif +#ifdef CONFIG_PROC_FS static int rtc_proc_open(struct inode *inode, struct file *file); +#endif /* * Bits in rtc_status. (6 bits of room for future expansion) @@ -906,6 +913,7 @@ static struct miscdevice rtc_dev = { .fops = &rtc_fops, }; +#ifdef CONFIG_PROC_FS static const struct file_operations rtc_proc_fops = { .owner = THIS_MODULE, .open = rtc_proc_open, @@ -913,14 +921,13 @@ static const struct file_operations rtc_proc_fops = { .llseek = seq_lseek, .release = single_release, }; - -#if defined(RTC_IRQ) && !defined(__sparc__) -static irq_handler_t rtc_int_handler_ptr; #endif static int __init rtc_init(void) { +#ifdef CONFIG_PROC_FS struct proc_dir_entry *ent; +#endif #if defined(__alpha__) || defined(__mips__) unsigned int year, ctrl; char *guess = NULL; @@ -932,9 +939,11 @@ static int __init rtc_init(void) struct sparc_isa_bridge *isa_br; struct sparc_isa_device *isa_dev; #endif -#endif -#ifndef __sparc__ +#else void *r; +#ifdef RTC_IRQ + irq_handler_t rtc_int_handler_ptr; +#endif #endif #ifdef __sparc__ @@ -958,6 +967,7 @@ static int __init rtc_init(void) } } #endif + rtc_has_irq = 0; printk(KERN_ERR "rtc_init: no PC rtc found\n"); return -EIO; @@ -972,6 +982,7 @@ found: * PCI Slot 2 INTA# (and some INTx# in Slot 1). */ if (request_irq(rtc_irq, rtc_interrupt, IRQF_SHARED, "rtc", (void *)&rtc_port)) { + rtc_has_irq = 0; printk(KERN_ERR "rtc: cannot register IRQ %d\n", rtc_irq); return -EIO; } @@ -982,6 +993,9 @@ no_irq: else r = request_mem_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc"); if (!r) { +#ifdef RTC_IRQ + rtc_has_irq = 0; +#endif printk(KERN_ERR "rtc: I/O resource %lx is not free.\n", (long)(RTC_PORT(0))); return -EIO; @@ -996,6 +1010,7 @@ no_irq: if(request_irq(RTC_IRQ, rtc_int_handler_ptr, IRQF_DISABLED, "rtc", NULL)) { /* Yeah right, seeing as irq 8 doesn't even hit the bus. */ + rtc_has_irq = 0; printk(KERN_ERR "rtc: IRQ %d is not free.\n", RTC_IRQ); if (RTC_IOMAPPED) release_region(RTC_PORT(0), RTC_IO_EXTENT); @@ -1012,21 +1027,19 @@ no_irq: if (misc_register(&rtc_dev)) { #ifdef RTC_IRQ free_irq(RTC_IRQ, NULL); + rtc_has_irq = 0; #endif release_region(RTC_PORT(0), RTC_IO_EXTENT); return -ENODEV; } +#ifdef CONFIG_PROC_FS ent = create_proc_entry("driver/rtc", 0, NULL); - if (!ent) { -#ifdef RTC_IRQ - free_irq(RTC_IRQ, NULL); + if (ent) + ent->proc_fops = &rtc_proc_fops; + else + printk(KERN_WARNING "rtc: Failed to register with procfs.\n"); #endif - release_region(RTC_PORT(0), RTC_IO_EXTENT); - misc_deregister(&rtc_dev); - return -ENOMEM; - } - ent->proc_fops = &rtc_proc_fops; #if defined(__alpha__) || defined(__mips__) rtc_freq = HZ; @@ -1159,6 +1172,7 @@ static void rtc_dropped_irq(unsigned long data) } #endif +#ifdef CONFIG_PROC_FS /* * Info exported via "/proc/driver/rtc". */ @@ -1243,6 +1257,7 @@ static int rtc_proc_open(struct inode *inode, struct file *file) { return single_open(file, rtc_proc_show, NULL); } +#endif void rtc_get_rtc_time(struct rtc_time *rtc_tm) { diff --git a/drivers/char/ser_a2232.c b/drivers/char/ser_a2232.c index 4217d38caef..75de5f66517 100644 --- a/drivers/char/ser_a2232.c +++ b/drivers/char/ser_a2232.c @@ -695,6 +695,8 @@ static int a2232_init_drivers(void) a2232_driver->init_termios = tty_std_termios; a2232_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + a2232_driver->init_termios.c_ispeed = 9600; + a2232_driver->init_termios.c_ospeed = 9600; a2232_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(a2232_driver, &a2232_ops); if ((error = tty_register_driver(a2232_driver))) { diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index 9ba13af234b..af50d32ae2c 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -1695,7 +1695,7 @@ cy_ioctl(struct tty_struct *tty, struct file * file, static void -cy_set_termios(struct tty_struct *tty, struct termios * old_termios) +cy_set_termios(struct tty_struct *tty, struct ktermios * old_termios) { struct cyclades_port *info = (struct cyclades_port *)tty->driver_data; diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index fc87070f186..17d54e1331b 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -979,7 +979,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf, } if (ret > 0) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; inode->i_atime = current_fs_time(inode->i_sb); } diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 99137ab66b6..20946f5127e 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -2311,7 +2311,7 @@ static void sx_hangup(struct tty_struct * tty) } -static void sx_set_termios(struct tty_struct * tty, struct termios * old_termios) +static void sx_set_termios(struct tty_struct * tty, struct ktermios * old_termios) { struct specialix_port *port = (struct specialix_port *)tty->driver_data; unsigned long flags; @@ -2400,6 +2400,8 @@ static int sx_init_drivers(void) specialix_driver->init_termios = tty_std_termios; specialix_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + specialix_driver->init_termios.c_ispeed = 9600; + specialix_driver->init_termios.c_ospeed = 9600; specialix_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(specialix_driver, &sx_ops); @@ -2475,7 +2477,7 @@ static int __init specialix_init(void) i++; continue; } - pdev = pci_find_device (PCI_VENDOR_ID_SPECIALIX, + pdev = pci_get_device (PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_IO8, pdev); if (!pdev) break; @@ -2491,6 +2493,9 @@ static int __init specialix_init(void) if (!sx_probe(&sx_board[i])) found ++; } + /* May exit pci_get sequence early with lots of boards */ + if (pdev != NULL) + pci_dev_put(pdev); } #endif diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 5e2de62bce7..e45113a7a47 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -41,13 +41,12 @@ #include <linux/smp_lock.h> #include <linux/device.h> #include <linux/delay.h> +#include <linux/ctype.h> #include <asm/io.h> #include <asm/uaccess.h> -#ifdef CONFIG_PCI #include <linux/pci.h> -#endif /*****************************************************************************/ @@ -63,45 +62,16 @@ #define BRD_ECH64PCI 27 #define BRD_EASYIOPCI 28 -/* - * Define a configuration structure to hold the board configuration. - * Need to set this up in the code (for now) with the boards that are - * to be configured into the system. This is what needs to be modified - * when adding/removing/modifying boards. Each line entry in the - * stl_brdconf[] array is a board. Each line contains io/irq/memory - * ranges for that board (as well as what type of board it is). - * Some examples: - * { BRD_EASYIO, 0x2a0, 0, 0, 10, 0 }, - * This line would configure an EasyIO board (4 or 8, no difference), - * at io address 2a0 and irq 10. - * Another example: - * { BRD_ECH, 0x2a8, 0x280, 0, 12, 0 }, - * This line will configure an EasyConnection 8/32 board at primary io - * address 2a8, secondary io address 280 and irq 12. - * Enter as many lines into this array as you want (only the first 4 - * will actually be used!). Any combination of EasyIO and EasyConnection - * boards can be specified. EasyConnection 8/32 boards can share their - * secondary io addresses between each other. - * - * NOTE: there is no need to put any entries in this table for PCI - * boards. They will be found automatically by the driver - provided - * PCI BIOS32 support is compiled into the kernel. - */ - -typedef struct { - int brdtype; +struct stlconf { + unsigned int brdtype; int ioaddr1; int ioaddr2; unsigned long memaddr; int irq; int irqtype; -} stlconf_t; - -static stlconf_t stl_brdconf[] = { - /*{ BRD_EASYIO, 0x2a0, 0, 0, 10, 0 },*/ }; -static int stl_nrbrds = ARRAY_SIZE(stl_brdconf); +static unsigned int stl_nrbrds; /*****************************************************************************/ @@ -143,34 +113,30 @@ static struct tty_driver *stl_serial; * with this termios initially. Basically all it defines is a raw port * at 9600, 8 data bits, 1 stop bit. */ -static struct termios stl_deftermios = { +static struct ktermios stl_deftermios = { .c_cflag = (B9600 | CS8 | CREAD | HUPCL | CLOCAL), .c_cc = INIT_C_CC, + .c_ispeed = 9600, + .c_ospeed = 9600, }; /* - * Define global stats structures. Not used often, and can be - * re-used for each stats call. - */ -static comstats_t stl_comstats; -static combrd_t stl_brdstats; -static stlbrd_t stl_dummybrd; -static stlport_t stl_dummyport; - -/* * Define global place to put buffer overflow characters. */ static char stl_unwanted[SC26198_RXFIFOSIZE]; /*****************************************************************************/ -static stlbrd_t *stl_brds[STL_MAXBRDS]; +static DEFINE_MUTEX(stl_brdslock); +static struct stlbrd *stl_brds[STL_MAXBRDS]; /* * Per board state flags. Used with the state field of the board struct. * Not really much here! */ #define BRD_FOUND 0x1 +#define STL_PROBED 0x2 + /* * Define the port structure istate flags. These set of flags are @@ -187,32 +153,32 @@ static stlbrd_t *stl_brds[STL_MAXBRDS]; * referencing boards when printing trace and stuff. */ static char *stl_brdnames[] = { - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, - (char *) NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, "EasyIO", "EC8/32-AT", "EC8/32-MC", - (char *) NULL, - (char *) NULL, - (char *) NULL, + NULL, + NULL, + NULL, "EC8/32-PCI", "EC8/64-PCI", "EasyIO-PCI", @@ -225,7 +191,7 @@ static char *stl_brdnames[] = { * load line. These allow for easy board definitions, and easy * modification of the io, memory and irq resoucres. */ -static int stl_nargs = 0; +static unsigned int stl_nargs; static char *board0[4]; static char *board1[4]; static char *board2[4]; @@ -243,12 +209,10 @@ static char **stl_brdsp[] = { * parse any module arguments. */ -typedef struct stlbrdtype { +static struct { char *name; int type; -} stlbrdtype_t; - -static stlbrdtype_t stl_brdstr[] = { +} stl_brdstr[] = { { "easyio", BRD_EASYIO }, { "eio", BRD_EASYIO }, { "20", BRD_EASYIO }, @@ -282,9 +246,6 @@ static stlbrdtype_t stl_brdstr[] = { /* * Define the module agruments. */ -MODULE_AUTHOR("Greg Ungerer"); -MODULE_DESCRIPTION("Stallion Multiport Serial Driver"); -MODULE_LICENSE("GPL"); module_param_array(board0, charp, &stl_nargs, 0); MODULE_PARM_DESC(board0, "Board 0 config -> name[,ioaddr[,ioaddr2][,irq]]"); @@ -386,8 +347,6 @@ static spinlock_t stallion_lock; /* Guard the tty driver */ /*****************************************************************************/ -#ifdef CONFIG_PCI - /* * Define the Stallion PCI vendor and device IDs. */ @@ -407,22 +366,19 @@ static spinlock_t stallion_lock; /* Guard the tty driver */ /* * Define structure to hold all Stallion PCI boards. */ -typedef struct stlpcibrd { - unsigned short vendid; - unsigned short devid; - int brdtype; -} stlpcibrd_t; - -static stlpcibrd_t stl_pcibrds[] = { - { PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI864, BRD_ECH64PCI }, - { PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_EIOPCI, BRD_EASYIOPCI }, - { PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI832, BRD_ECHPCI }, - { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, BRD_ECHPCI }, -}; - -static int stl_nrpcibrds = ARRAY_SIZE(stl_pcibrds); -#endif +static struct pci_device_id stl_pcibrds[] = { + { PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI864), + .driver_data = BRD_ECH64PCI }, + { PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_EIOPCI), + .driver_data = BRD_EASYIOPCI }, + { PCI_DEVICE(PCI_VENDOR_ID_STALLION, PCI_DEVICE_ID_ECHPCI832), + .driver_data = BRD_ECHPCI }, + { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410), + .driver_data = BRD_ECHPCI }, + { } +}; +MODULE_DEVICE_TABLE(pci, stl_pcibrds); /*****************************************************************************/ @@ -442,134 +398,74 @@ static unsigned int stl_baudrates[] = { 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600 }; -/* - * Define some handy local macros... - */ -#undef MIN -#define MIN(a,b) (((a) <= (b)) ? (a) : (b)) - -#undef TOLOWER -#define TOLOWER(x) ((((x) >= 'A') && ((x) <= 'Z')) ? ((x) + 0x20) : (x)) - /*****************************************************************************/ /* * Declare all those functions in this driver! */ -static void stl_argbrds(void); -static int stl_parsebrd(stlconf_t *confp, char **argp); - -static unsigned long stl_atol(char *str); - -static int stl_init(void); -static int stl_open(struct tty_struct *tty, struct file *filp); -static void stl_close(struct tty_struct *tty, struct file *filp); -static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count); -static void stl_putchar(struct tty_struct *tty, unsigned char ch); -static void stl_flushchars(struct tty_struct *tty); -static int stl_writeroom(struct tty_struct *tty); -static int stl_charsinbuffer(struct tty_struct *tty); -static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); -static void stl_settermios(struct tty_struct *tty, struct termios *old); -static void stl_throttle(struct tty_struct *tty); -static void stl_unthrottle(struct tty_struct *tty); -static void stl_stop(struct tty_struct *tty); -static void stl_start(struct tty_struct *tty); -static void stl_flushbuffer(struct tty_struct *tty); -static void stl_breakctl(struct tty_struct *tty, int state); -static void stl_waituntilsent(struct tty_struct *tty, int timeout); -static void stl_sendxchar(struct tty_struct *tty, char ch); -static void stl_hangup(struct tty_struct *tty); static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg); -static int stl_portinfo(stlport_t *portp, int portnr, char *pos); -static int stl_readproc(char *page, char **start, off_t off, int count, int *eof, void *data); - -static int stl_brdinit(stlbrd_t *brdp); -static int stl_initports(stlbrd_t *brdp, stlpanel_t *panelp); -static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp); -static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp); -static int stl_getbrdstats(combrd_t __user *bp); -static int stl_getportstats(stlport_t *portp, comstats_t __user *cp); -static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp); -static int stl_getportstruct(stlport_t __user *arg); -static int stl_getbrdstruct(stlbrd_t __user *arg); -static int stl_waitcarrier(stlport_t *portp, struct file *filp); -static int stl_eiointr(stlbrd_t *brdp); -static int stl_echatintr(stlbrd_t *brdp); -static int stl_echmcaintr(stlbrd_t *brdp); -static int stl_echpciintr(stlbrd_t *brdp); -static int stl_echpci64intr(stlbrd_t *brdp); -static void stl_offintr(struct work_struct *); -static stlbrd_t *stl_allocbrd(void); -static stlport_t *stl_getport(int brdnr, int panelnr, int portnr); - -static inline int stl_initbrds(void); -static inline int stl_initeio(stlbrd_t *brdp); -static inline int stl_initech(stlbrd_t *brdp); -static inline int stl_getbrdnr(void); - -#ifdef CONFIG_PCI -static inline int stl_findpcibrds(void); -static inline int stl_initpcibrd(int brdtype, struct pci_dev *devp); -#endif +static int stl_brdinit(struct stlbrd *brdp); +static int stl_getportstats(struct stlport *portp, comstats_t __user *cp); +static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp); +static int stl_waitcarrier(struct stlport *portp, struct file *filp); /* * CD1400 uart specific handling functions. */ -static void stl_cd1400setreg(stlport_t *portp, int regnr, int value); -static int stl_cd1400getreg(stlport_t *portp, int regnr); -static int stl_cd1400updatereg(stlport_t *portp, int regnr, int value); -static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp); -static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp); -static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp); -static int stl_cd1400getsignals(stlport_t *portp); -static void stl_cd1400setsignals(stlport_t *portp, int dtr, int rts); -static void stl_cd1400ccrwait(stlport_t *portp); -static void stl_cd1400enablerxtx(stlport_t *portp, int rx, int tx); -static void stl_cd1400startrxtx(stlport_t *portp, int rx, int tx); -static void stl_cd1400disableintrs(stlport_t *portp); -static void stl_cd1400sendbreak(stlport_t *portp, int len); -static void stl_cd1400flowctrl(stlport_t *portp, int state); -static void stl_cd1400sendflow(stlport_t *portp, int state); -static void stl_cd1400flush(stlport_t *portp); -static int stl_cd1400datastate(stlport_t *portp); -static void stl_cd1400eiointr(stlpanel_t *panelp, unsigned int iobase); -static void stl_cd1400echintr(stlpanel_t *panelp, unsigned int iobase); -static void stl_cd1400txisr(stlpanel_t *panelp, int ioaddr); -static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr); -static void stl_cd1400mdmisr(stlpanel_t *panelp, int ioaddr); - -static inline int stl_cd1400breakisr(stlport_t *portp, int ioaddr); +static void stl_cd1400setreg(struct stlport *portp, int regnr, int value); +static int stl_cd1400getreg(struct stlport *portp, int regnr); +static int stl_cd1400updatereg(struct stlport *portp, int regnr, int value); +static int stl_cd1400panelinit(struct stlbrd *brdp, struct stlpanel *panelp); +static void stl_cd1400portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp); +static void stl_cd1400setport(struct stlport *portp, struct ktermios *tiosp); +static int stl_cd1400getsignals(struct stlport *portp); +static void stl_cd1400setsignals(struct stlport *portp, int dtr, int rts); +static void stl_cd1400ccrwait(struct stlport *portp); +static void stl_cd1400enablerxtx(struct stlport *portp, int rx, int tx); +static void stl_cd1400startrxtx(struct stlport *portp, int rx, int tx); +static void stl_cd1400disableintrs(struct stlport *portp); +static void stl_cd1400sendbreak(struct stlport *portp, int len); +static void stl_cd1400flowctrl(struct stlport *portp, int state); +static void stl_cd1400sendflow(struct stlport *portp, int state); +static void stl_cd1400flush(struct stlport *portp); +static int stl_cd1400datastate(struct stlport *portp); +static void stl_cd1400eiointr(struct stlpanel *panelp, unsigned int iobase); +static void stl_cd1400echintr(struct stlpanel *panelp, unsigned int iobase); +static void stl_cd1400txisr(struct stlpanel *panelp, int ioaddr); +static void stl_cd1400rxisr(struct stlpanel *panelp, int ioaddr); +static void stl_cd1400mdmisr(struct stlpanel *panelp, int ioaddr); + +static inline int stl_cd1400breakisr(struct stlport *portp, int ioaddr); /* * SC26198 uart specific handling functions. */ -static void stl_sc26198setreg(stlport_t *portp, int regnr, int value); -static int stl_sc26198getreg(stlport_t *portp, int regnr); -static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value); -static int stl_sc26198getglobreg(stlport_t *portp, int regnr); -static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp); -static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp); -static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp); -static int stl_sc26198getsignals(stlport_t *portp); -static void stl_sc26198setsignals(stlport_t *portp, int dtr, int rts); -static void stl_sc26198enablerxtx(stlport_t *portp, int rx, int tx); -static void stl_sc26198startrxtx(stlport_t *portp, int rx, int tx); -static void stl_sc26198disableintrs(stlport_t *portp); -static void stl_sc26198sendbreak(stlport_t *portp, int len); -static void stl_sc26198flowctrl(stlport_t *portp, int state); -static void stl_sc26198sendflow(stlport_t *portp, int state); -static void stl_sc26198flush(stlport_t *portp); -static int stl_sc26198datastate(stlport_t *portp); -static void stl_sc26198wait(stlport_t *portp); -static void stl_sc26198txunflow(stlport_t *portp, struct tty_struct *tty); -static void stl_sc26198intr(stlpanel_t *panelp, unsigned int iobase); -static void stl_sc26198txisr(stlport_t *port); -static void stl_sc26198rxisr(stlport_t *port, unsigned int iack); -static void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, char ch); -static void stl_sc26198rxbadchars(stlport_t *portp); -static void stl_sc26198otherisr(stlport_t *port, unsigned int iack); +static void stl_sc26198setreg(struct stlport *portp, int regnr, int value); +static int stl_sc26198getreg(struct stlport *portp, int regnr); +static int stl_sc26198updatereg(struct stlport *portp, int regnr, int value); +static int stl_sc26198getglobreg(struct stlport *portp, int regnr); +static int stl_sc26198panelinit(struct stlbrd *brdp, struct stlpanel *panelp); +static void stl_sc26198portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp); +static void stl_sc26198setport(struct stlport *portp, struct ktermios *tiosp); +static int stl_sc26198getsignals(struct stlport *portp); +static void stl_sc26198setsignals(struct stlport *portp, int dtr, int rts); +static void stl_sc26198enablerxtx(struct stlport *portp, int rx, int tx); +static void stl_sc26198startrxtx(struct stlport *portp, int rx, int tx); +static void stl_sc26198disableintrs(struct stlport *portp); +static void stl_sc26198sendbreak(struct stlport *portp, int len); +static void stl_sc26198flowctrl(struct stlport *portp, int state); +static void stl_sc26198sendflow(struct stlport *portp, int state); +static void stl_sc26198flush(struct stlport *portp); +static int stl_sc26198datastate(struct stlport *portp); +static void stl_sc26198wait(struct stlport *portp); +static void stl_sc26198txunflow(struct stlport *portp, struct tty_struct *tty); +static void stl_sc26198intr(struct stlpanel *panelp, unsigned int iobase); +static void stl_sc26198txisr(struct stlport *port); +static void stl_sc26198rxisr(struct stlport *port, unsigned int iack); +static void stl_sc26198rxbadch(struct stlport *portp, unsigned char status, char ch); +static void stl_sc26198rxbadchars(struct stlport *portp); +static void stl_sc26198otherisr(struct stlport *port, unsigned int iack); /*****************************************************************************/ @@ -577,20 +473,20 @@ static void stl_sc26198otherisr(stlport_t *port, unsigned int iack); * Generic UART support structure. */ typedef struct uart { - int (*panelinit)(stlbrd_t *brdp, stlpanel_t *panelp); - void (*portinit)(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp); - void (*setport)(stlport_t *portp, struct termios *tiosp); - int (*getsignals)(stlport_t *portp); - void (*setsignals)(stlport_t *portp, int dtr, int rts); - void (*enablerxtx)(stlport_t *portp, int rx, int tx); - void (*startrxtx)(stlport_t *portp, int rx, int tx); - void (*disableintrs)(stlport_t *portp); - void (*sendbreak)(stlport_t *portp, int len); - void (*flowctrl)(stlport_t *portp, int state); - void (*sendflow)(stlport_t *portp, int state); - void (*flush)(stlport_t *portp); - int (*datastate)(stlport_t *portp); - void (*intr)(stlpanel_t *panelp, unsigned int iobase); + int (*panelinit)(struct stlbrd *brdp, struct stlpanel *panelp); + void (*portinit)(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp); + void (*setport)(struct stlport *portp, struct ktermios *tiosp); + int (*getsignals)(struct stlport *portp); + void (*setsignals)(struct stlport *portp, int dtr, int rts); + void (*enablerxtx)(struct stlport *portp, int rx, int tx); + void (*startrxtx)(struct stlport *portp, int rx, int tx); + void (*disableintrs)(struct stlport *portp); + void (*sendbreak)(struct stlport *portp, int len); + void (*flowctrl)(struct stlport *portp, int state); + void (*sendflow)(struct stlport *portp, int state); + void (*flush)(struct stlport *portp); + int (*datastate)(struct stlport *portp); + void (*intr)(struct stlpanel *panelp, unsigned int iobase); } uart_t; /* @@ -712,184 +608,35 @@ static const struct file_operations stl_fsiomem = { .ioctl = stl_memioctl, }; -/*****************************************************************************/ - static struct class *stallion_class; /* - * Loadable module initialization stuff. - */ - -static int __init stallion_module_init(void) -{ - stl_init(); - return 0; -} - -/*****************************************************************************/ - -static void __exit stallion_module_exit(void) -{ - stlbrd_t *brdp; - stlpanel_t *panelp; - stlport_t *portp; - int i, j, k; - -#ifdef DEBUG - printk("cleanup_module()\n"); -#endif - - printk(KERN_INFO "Unloading %s: version %s\n", stl_drvtitle, - stl_drvversion); - -/* - * Free up all allocated resources used by the ports. This includes - * memory and interrupts. As part of this process we will also do - * a hangup on every open port - to try to flush out any processes - * hanging onto ports. - */ - i = tty_unregister_driver(stl_serial); - put_tty_driver(stl_serial); - if (i) { - printk("STALLION: failed to un-register tty driver, " - "errno=%d\n", -i); - return; - } - for (i = 0; i < 4; i++) - class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i)); - if ((i = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"))) - printk("STALLION: failed to un-register serial memory device, " - "errno=%d\n", -i); - class_destroy(stallion_class); - - for (i = 0; (i < stl_nrbrds); i++) { - if ((brdp = stl_brds[i]) == (stlbrd_t *) NULL) - continue; - - free_irq(brdp->irq, brdp); - - for (j = 0; (j < STL_MAXPANELS); j++) { - panelp = brdp->panels[j]; - if (panelp == (stlpanel_t *) NULL) - continue; - for (k = 0; (k < STL_PORTSPERPANEL); k++) { - portp = panelp->ports[k]; - if (portp == (stlport_t *) NULL) - continue; - if (portp->tty != (struct tty_struct *) NULL) - stl_hangup(portp->tty); - kfree(portp->tx.buf); - kfree(portp); - } - kfree(panelp); - } - - release_region(brdp->ioaddr1, brdp->iosize1); - if (brdp->iosize2 > 0) - release_region(brdp->ioaddr2, brdp->iosize2); - - kfree(brdp); - stl_brds[i] = (stlbrd_t *) NULL; - } -} - -module_init(stallion_module_init); -module_exit(stallion_module_exit); - -/*****************************************************************************/ - -/* * Check for any arguments passed in on the module load command line. */ -static void stl_argbrds(void) -{ - stlconf_t conf; - stlbrd_t *brdp; - int i; - -#ifdef DEBUG - printk("stl_argbrds()\n"); -#endif - - for (i = stl_nrbrds; (i < stl_nargs); i++) { - memset(&conf, 0, sizeof(conf)); - if (stl_parsebrd(&conf, stl_brdsp[i]) == 0) - continue; - if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL) - continue; - stl_nrbrds = i + 1; - brdp->brdnr = i; - brdp->brdtype = conf.brdtype; - brdp->ioaddr1 = conf.ioaddr1; - brdp->ioaddr2 = conf.ioaddr2; - brdp->irq = conf.irq; - brdp->irqtype = conf.irqtype; - stl_brdinit(brdp); - } -} - -/*****************************************************************************/ - -/* - * Convert an ascii string number into an unsigned long. - */ - -static unsigned long stl_atol(char *str) -{ - unsigned long val; - int base, c; - char *sp; - - val = 0; - sp = str; - if ((*sp == '0') && (*(sp+1) == 'x')) { - base = 16; - sp += 2; - } else if (*sp == '0') { - base = 8; - sp++; - } else { - base = 10; - } - - for (; (*sp != 0); sp++) { - c = (*sp > '9') ? (TOLOWER(*sp) - 'a' + 10) : (*sp - '0'); - if ((c < 0) || (c >= base)) { - printk("STALLION: invalid argument %s\n", str); - val = 0; - break; - } - val = (val * base) + c; - } - return val; -} - /*****************************************************************************/ /* * Parse the supplied argument string, into the board conf struct. */ -static int stl_parsebrd(stlconf_t *confp, char **argp) +static int __init stl_parsebrd(struct stlconf *confp, char **argp) { char *sp; - int i; + unsigned int i; -#ifdef DEBUG - printk("stl_parsebrd(confp=%x,argp=%x)\n", (int) confp, (int) argp); -#endif + pr_debug("stl_parsebrd(confp=%p,argp=%p)\n", confp, argp); - if ((argp[0] == (char *) NULL) || (*argp[0] == 0)) + if ((argp[0] == NULL) || (*argp[0] == 0)) return 0; - for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++) - *sp = TOLOWER(*sp); + for (sp = argp[0], i = 0; (*sp != 0) && (i < 25); sp++, i++) + *sp = tolower(*sp); - for (i = 0; i < ARRAY_SIZE(stl_brdstr); i++) { + for (i = 0; i < ARRAY_SIZE(stl_brdstr); i++) if (strcmp(stl_brdstr[i].name, argp[0]) == 0) break; - } + if (i == ARRAY_SIZE(stl_brdstr)) { printk("STALLION: unknown board name, %s?\n", argp[0]); return 0; @@ -898,16 +645,16 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) confp->brdtype = stl_brdstr[i].type; i = 1; - if ((argp[i] != (char *) NULL) && (*argp[i] != 0)) - confp->ioaddr1 = stl_atol(argp[i]); + if ((argp[i] != NULL) && (*argp[i] != 0)) + confp->ioaddr1 = simple_strtoul(argp[i], NULL, 0); i++; if (confp->brdtype == BRD_ECH) { - if ((argp[i] != (char *) NULL) && (*argp[i] != 0)) - confp->ioaddr2 = stl_atol(argp[i]); + if ((argp[i] != NULL) && (*argp[i] != 0)) + confp->ioaddr2 = simple_strtoul(argp[i], NULL, 0); i++; } - if ((argp[i] != (char *) NULL) && (*argp[i] != 0)) - confp->irq = stl_atol(argp[i]); + if ((argp[i] != NULL) && (*argp[i] != 0)) + confp->irq = simple_strtoul(argp[i], NULL, 0); return 1; } @@ -917,14 +664,14 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) * Allocate a new board structure. Fill out the basic info in it. */ -static stlbrd_t *stl_allocbrd(void) +static struct stlbrd *stl_allocbrd(void) { - stlbrd_t *brdp; + struct stlbrd *brdp; - brdp = kzalloc(sizeof(stlbrd_t), GFP_KERNEL); + brdp = kzalloc(sizeof(struct stlbrd), GFP_KERNEL); if (!brdp) { printk("STALLION: failed to allocate memory (size=%Zd)\n", - sizeof(stlbrd_t)); + sizeof(struct stlbrd)); return NULL; } @@ -936,26 +683,23 @@ static stlbrd_t *stl_allocbrd(void) static int stl_open(struct tty_struct *tty, struct file *filp) { - stlport_t *portp; - stlbrd_t *brdp; - unsigned int minordev; - int brdnr, panelnr, portnr, rc; - -#ifdef DEBUG - printk("stl_open(tty=%x,filp=%x): device=%s\n", (int) tty, - (int) filp, tty->name); -#endif + struct stlport *portp; + struct stlbrd *brdp; + unsigned int minordev, brdnr, panelnr; + int portnr, rc; + + pr_debug("stl_open(tty=%p,filp=%p): device=%s\n", tty, filp, tty->name); minordev = tty->index; brdnr = MINOR2BRD(minordev); if (brdnr >= stl_nrbrds) return -ENODEV; brdp = stl_brds[brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) return -ENODEV; minordev = MINOR2PORT(minordev); - for (portnr = -1, panelnr = 0; (panelnr < STL_MAXPANELS); panelnr++) { - if (brdp->panels[panelnr] == (stlpanel_t *) NULL) + for (portnr = -1, panelnr = 0; panelnr < STL_MAXPANELS; panelnr++) { + if (brdp->panels[panelnr] == NULL) break; if (minordev < brdp->panels[panelnr]->nrports) { portnr = minordev; @@ -967,7 +711,7 @@ static int stl_open(struct tty_struct *tty, struct file *filp) return -ENODEV; portp = brdp->panels[panelnr]->ports[portnr]; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; /* @@ -1013,10 +757,10 @@ static int stl_open(struct tty_struct *tty, struct file *filp) * previous opens still in effect. If we are a normal serial device * then also we might have to wait for carrier. */ - if (!(filp->f_flags & O_NONBLOCK)) { + if (!(filp->f_flags & O_NONBLOCK)) if ((rc = stl_waitcarrier(portp, filp)) != 0) return rc; - } + portp->flags |= ASYNC_NORMAL_ACTIVE; return 0; @@ -1029,14 +773,12 @@ static int stl_open(struct tty_struct *tty, struct file *filp) * maybe because if we are clocal then we don't need to wait... */ -static int stl_waitcarrier(stlport_t *portp, struct file *filp) +static int stl_waitcarrier(struct stlport *portp, struct file *filp) { unsigned long flags; int rc, doclocal; -#ifdef DEBUG - printk("stl_waitcarrier(portp=%x,filp=%x)\n", (int) portp, (int) filp); -#endif + pr_debug("stl_waitcarrier(portp=%p,filp=%p)\n", portp, filp); rc = 0; doclocal = 0; @@ -1062,9 +804,8 @@ static int stl_waitcarrier(stlport_t *portp, struct file *filp) break; } if (((portp->flags & ASYNC_CLOSING) == 0) && - (doclocal || (portp->sigs & TIOCM_CD))) { + (doclocal || (portp->sigs & TIOCM_CD))) break; - } if (signal_pending(current)) { rc = -ERESTARTSYS; break; @@ -1083,17 +824,61 @@ static int stl_waitcarrier(stlport_t *portp, struct file *filp) /*****************************************************************************/ +static void stl_flushbuffer(struct tty_struct *tty) +{ + struct stlport *portp; + + pr_debug("stl_flushbuffer(tty=%p)\n", tty); + + if (tty == NULL) + return; + portp = tty->driver_data; + if (portp == NULL) + return; + + stl_flush(portp); + tty_wakeup(tty); +} + +/*****************************************************************************/ + +static void stl_waituntilsent(struct tty_struct *tty, int timeout) +{ + struct stlport *portp; + unsigned long tend; + + pr_debug("stl_waituntilsent(tty=%p,timeout=%d)\n", tty, timeout); + + if (tty == NULL) + return; + portp = tty->driver_data; + if (portp == NULL) + return; + + if (timeout == 0) + timeout = HZ; + tend = jiffies + timeout; + + while (stl_datastate(portp)) { + if (signal_pending(current)) + break; + msleep_interruptible(20); + if (time_after_eq(jiffies, tend)) + break; + } +} + +/*****************************************************************************/ + static void stl_close(struct tty_struct *tty, struct file *filp) { - stlport_t *portp; + struct stlport *portp; unsigned long flags; -#ifdef DEBUG - printk("stl_close(tty=%x,filp=%x)\n", (int) tty, (int) filp); -#endif + pr_debug("stl_close(tty=%p,filp=%p)\n", tty, filp); portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; spin_lock_irqsave(&stallion_lock, flags); @@ -1136,17 +921,17 @@ static void stl_close(struct tty_struct *tty, struct file *filp) stl_enablerxtx(portp, 0, 0); stl_flushbuffer(tty); portp->istate = 0; - if (portp->tx.buf != (char *) NULL) { + if (portp->tx.buf != NULL) { kfree(portp->tx.buf); - portp->tx.buf = (char *) NULL; - portp->tx.head = (char *) NULL; - portp->tx.tail = (char *) NULL; + portp->tx.buf = NULL; + portp->tx.head = NULL; + portp->tx.tail = NULL; } set_bit(TTY_IO_ERROR, &tty->flags); tty_ldisc_flush(tty); tty->closing = 0; - portp->tty = (struct tty_struct *) NULL; + portp->tty = NULL; if (portp->openwaitcnt) { if (portp->close_delay) @@ -1167,20 +952,17 @@ static void stl_close(struct tty_struct *tty, struct file *filp) static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count) { - stlport_t *portp; + struct stlport *portp; unsigned int len, stlen; unsigned char *chbuf; char *head, *tail; -#ifdef DEBUG - printk("stl_write(tty=%x,buf=%x,count=%d)\n", - (int) tty, (int) buf, count); -#endif + pr_debug("stl_write(tty=%p,buf=%p,count=%d)\n", tty, buf, count); portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return 0; /* @@ -1201,10 +983,10 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count stlen = len; } - len = MIN(len, count); + len = min(len, (unsigned int)count); count = 0; while (len > 0) { - stlen = MIN(len, stlen); + stlen = min(len, stlen); memcpy(head, chbuf, stlen); len -= stlen; chbuf += stlen; @@ -1227,20 +1009,18 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count static void stl_putchar(struct tty_struct *tty, unsigned char ch) { - stlport_t *portp; + struct stlport *portp; unsigned int len; char *head, *tail; -#ifdef DEBUG - printk("stl_putchar(tty=%x,ch=%x)\n", (int) tty, (int) ch); -#endif + pr_debug("stl_putchar(tty=%p,ch=%x)\n", tty, ch); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return; head = portp->tx.head; @@ -1267,18 +1047,16 @@ static void stl_putchar(struct tty_struct *tty, unsigned char ch) static void stl_flushchars(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_flushchars(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_flushchars(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return; stl_startrxtx(portp, -1, 1); @@ -1288,24 +1066,22 @@ static void stl_flushchars(struct tty_struct *tty) static int stl_writeroom(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; char *head, *tail; -#ifdef DEBUG - printk("stl_writeroom(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_writeroom(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return 0; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return 0; head = portp->tx.head; tail = portp->tx.tail; - return ((head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1)); + return (head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1); } /*****************************************************************************/ @@ -1321,20 +1097,18 @@ static int stl_writeroom(struct tty_struct *tty) static int stl_charsinbuffer(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; unsigned int size; char *head, *tail; -#ifdef DEBUG - printk("stl_charsinbuffer(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_charsinbuffer(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return 0; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; - if (portp->tx.buf == (char *) NULL) + if (portp->tx.buf == NULL) return 0; head = portp->tx.head; @@ -1351,14 +1125,12 @@ static int stl_charsinbuffer(struct tty_struct *tty) * Generate the serial struct info. */ -static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp) +static int stl_getserial(struct stlport *portp, struct serial_struct __user *sp) { struct serial_struct sio; - stlbrd_t *brdp; + struct stlbrd *brdp; -#ifdef DEBUG - printk("stl_getserial(portp=%x,sp=%x)\n", (int) portp, (int) sp); -#endif + pr_debug("stl_getserial(portp=%p,sp=%p)\n", portp, sp); memset(&sio, 0, sizeof(struct serial_struct)); sio.line = portp->portnr; @@ -1378,7 +1150,7 @@ static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp) } brdp = stl_brds[portp->brdnr]; - if (brdp != (stlbrd_t *) NULL) + if (brdp != NULL) sio.irq = brdp->irq; return copy_to_user(sp, &sio, sizeof(struct serial_struct)) ? -EFAULT : 0; @@ -1392,13 +1164,11 @@ static int stl_getserial(stlport_t *portp, struct serial_struct __user *sp) * just quietly ignore any requests to change irq, etc. */ -static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp) +static int stl_setserial(struct stlport *portp, struct serial_struct __user *sp) { struct serial_struct sio; -#ifdef DEBUG - printk("stl_setserial(portp=%x,sp=%x)\n", (int) portp, (int) sp); -#endif + pr_debug("stl_setserial(portp=%p,sp=%p)\n", portp, sp); if (copy_from_user(&sio, sp, sizeof(struct serial_struct))) return -EFAULT; @@ -1424,12 +1194,12 @@ static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp) static int stl_tiocmget(struct tty_struct *tty, struct file *file) { - stlport_t *portp; + struct stlport *portp; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return -ENODEV; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; @@ -1440,13 +1210,13 @@ static int stl_tiocmget(struct tty_struct *tty, struct file *file) static int stl_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { - stlport_t *portp; + struct stlport *portp; int rts = -1, dtr = -1; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return -ENODEV; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; @@ -1466,27 +1236,24 @@ static int stl_tiocmset(struct tty_struct *tty, struct file *file, static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { - stlport_t *portp; + struct stlport *portp; unsigned int ival; int rc; void __user *argp = (void __user *)arg; -#ifdef DEBUG - printk("stl_ioctl(tty=%x,file=%x,cmd=%x,arg=%x)\n", - (int) tty, (int) file, cmd, (int) arg); -#endif + pr_debug("stl_ioctl(tty=%p,file=%p,cmd=%x,arg=%lx)\n", tty, file, cmd, + arg); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return -ENODEV; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return -ENODEV; if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) && - (cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS)) { + (cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS)) if (tty->flags & (1 << TTY_IO_ERROR)) return -EIO; - } rc = 0; @@ -1531,19 +1298,37 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd /*****************************************************************************/ -static void stl_settermios(struct tty_struct *tty, struct termios *old) +/* + * Start the transmitter again. Just turn TX interrupts back on. + */ + +static void stl_start(struct tty_struct *tty) { - stlport_t *portp; - struct termios *tiosp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_settermios(tty=%x,old=%x)\n", (int) tty, (int) old); -#endif + pr_debug("stl_start(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) + return; + stl_startrxtx(portp, -1, 1); +} + +/*****************************************************************************/ + +static void stl_settermios(struct tty_struct *tty, struct ktermios *old) +{ + struct stlport *portp; + struct ktermios *tiosp; + + pr_debug("stl_settermios(tty=%p,old=%p)\n", tty, old); + + if (tty == NULL) + return; + portp = tty->driver_data; + if (portp == NULL) return; tiosp = tty->termios; @@ -1571,16 +1356,14 @@ static void stl_settermios(struct tty_struct *tty, struct termios *old) static void stl_throttle(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_throttle(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_throttle(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_flowctrl(portp, 0); } @@ -1593,16 +1376,14 @@ static void stl_throttle(struct tty_struct *tty) static void stl_unthrottle(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_unthrottle(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_unthrottle(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_flowctrl(portp, 1); } @@ -1616,16 +1397,14 @@ static void stl_unthrottle(struct tty_struct *tty) static void stl_stop(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_stop(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_stop(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_startrxtx(portp, -1, 0); } @@ -1633,28 +1412,6 @@ static void stl_stop(struct tty_struct *tty) /*****************************************************************************/ /* - * Start the transmitter again. Just turn TX interrupts back on. - */ - -static void stl_start(struct tty_struct *tty) -{ - stlport_t *portp; - -#ifdef DEBUG - printk("stl_start(tty=%x)\n", (int) tty); -#endif - - if (tty == (struct tty_struct *) NULL) - return; - portp = tty->driver_data; - if (portp == (stlport_t *) NULL) - return; - stl_startrxtx(portp, -1, 1); -} - -/*****************************************************************************/ - -/* * Hangup this port. This is pretty much like closing the port, only * a little more brutal. No waiting for data to drain. Shutdown the * port and maybe drop signals. @@ -1662,16 +1419,14 @@ static void stl_start(struct tty_struct *tty) static void stl_hangup(struct tty_struct *tty) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_hangup(tty=%x)\n", (int) tty); -#endif + pr_debug("stl_hangup(tty=%p)\n", tty); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; portp->flags &= ~ASYNC_INITIALIZED; @@ -1682,13 +1437,13 @@ static void stl_hangup(struct tty_struct *tty) stl_flushbuffer(tty); portp->istate = 0; set_bit(TTY_IO_ERROR, &tty->flags); - if (portp->tx.buf != (char *) NULL) { + if (portp->tx.buf != NULL) { kfree(portp->tx.buf); - portp->tx.buf = (char *) NULL; - portp->tx.head = (char *) NULL; - portp->tx.tail = (char *) NULL; + portp->tx.buf = NULL; + portp->tx.head = NULL; + portp->tx.tail = NULL; } - portp->tty = (struct tty_struct *) NULL; + portp->tty = NULL; portp->flags &= ~ASYNC_NORMAL_ACTIVE; portp->refcount = 0; wake_up_interruptible(&portp->open_wait); @@ -1696,38 +1451,16 @@ static void stl_hangup(struct tty_struct *tty) /*****************************************************************************/ -static void stl_flushbuffer(struct tty_struct *tty) -{ - stlport_t *portp; - -#ifdef DEBUG - printk("stl_flushbuffer(tty=%x)\n", (int) tty); -#endif - - if (tty == (struct tty_struct *) NULL) - return; - portp = tty->driver_data; - if (portp == (stlport_t *) NULL) - return; - - stl_flush(portp); - tty_wakeup(tty); -} - -/*****************************************************************************/ - static void stl_breakctl(struct tty_struct *tty, int state) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_breakctl(tty=%x,state=%d)\n", (int) tty, state); -#endif + pr_debug("stl_breakctl(tty=%p,state=%d)\n", tty, state); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; stl_sendbreak(portp, ((state == -1) ? 1 : 2)); @@ -1735,48 +1468,16 @@ static void stl_breakctl(struct tty_struct *tty, int state) /*****************************************************************************/ -static void stl_waituntilsent(struct tty_struct *tty, int timeout) -{ - stlport_t *portp; - unsigned long tend; - -#ifdef DEBUG - printk("stl_waituntilsent(tty=%x,timeout=%d)\n", (int) tty, timeout); -#endif - - if (tty == (struct tty_struct *) NULL) - return; - portp = tty->driver_data; - if (portp == (stlport_t *) NULL) - return; - - if (timeout == 0) - timeout = HZ; - tend = jiffies + timeout; - - while (stl_datastate(portp)) { - if (signal_pending(current)) - break; - msleep_interruptible(20); - if (time_after_eq(jiffies, tend)) - break; - } -} - -/*****************************************************************************/ - static void stl_sendxchar(struct tty_struct *tty, char ch) { - stlport_t *portp; + struct stlport *portp; -#ifdef DEBUG - printk("stl_sendxchar(tty=%x,ch=%x)\n", (int) tty, ch); -#endif + pr_debug("stl_sendxchar(tty=%p,ch=%x)\n", tty, ch); - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; portp = tty->driver_data; - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; if (ch == STOP_CHAR(tty)) @@ -1797,7 +1498,7 @@ static void stl_sendxchar(struct tty_struct *tty, char ch) * short then padded with spaces). */ -static int stl_portinfo(stlport_t *portp, int portnr, char *pos) +static int stl_portinfo(struct stlport *portp, int portnr, char *pos) { char *sp; int sigs, cnt; @@ -1826,7 +1527,7 @@ static int stl_portinfo(stlport_t *portp, int portnr, char *pos) *sp = ' '; sp += cnt; - for (cnt = (sp - pos); (cnt < (MAXLINE - 1)); cnt++) + for (cnt = sp - pos; cnt < (MAXLINE - 1); cnt++) *sp++ = ' '; if (cnt >= MAXLINE) pos[(MAXLINE - 2)] = '+'; @@ -1843,18 +1544,15 @@ static int stl_portinfo(stlport_t *portp, int portnr, char *pos) static int stl_readproc(char *page, char **start, off_t off, int count, int *eof, void *data) { - stlbrd_t *brdp; - stlpanel_t *panelp; - stlport_t *portp; - int brdnr, panelnr, portnr, totalport; - int curoff, maxoff; + struct stlbrd *brdp; + struct stlpanel *panelp; + struct stlport *portp; + unsigned int brdnr, panelnr, portnr; + int totalport, curoff, maxoff; char *pos; -#ifdef DEBUG - printk("stl_readproc(page=%x,start=%x,off=%x,count=%d,eof=%x," - "data=%x\n", (int) page, (int) start, (int) off, count, - (int) eof, (int) data); -#endif + pr_debug("stl_readproc(page=%p,start=%p,off=%lx,count=%d,eof=%p," + "data=%p\n", page, start, off, count, eof, data); pos = page; totalport = 0; @@ -1873,9 +1571,9 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof * We scan through for each board, panel and port. The offset is * calculated on the fly, and irrelevant ports are skipped. */ - for (brdnr = 0; (brdnr < stl_nrbrds); brdnr++) { + for (brdnr = 0; brdnr < stl_nrbrds; brdnr++) { brdp = stl_brds[brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) continue; if (brdp->state == 0) continue; @@ -1887,9 +1585,9 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof } totalport = brdnr * STL_MAXPORTS; - for (panelnr = 0; (panelnr < brdp->nrpanels); panelnr++) { + for (panelnr = 0; panelnr < brdp->nrpanels; panelnr++) { panelp = brdp->panels[panelnr]; - if (panelp == (stlpanel_t *) NULL) + if (panelp == NULL) continue; maxoff = curoff + (panelp->nrports * MAXLINE); @@ -1899,10 +1597,10 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof continue; } - for (portnr = 0; (portnr < panelp->nrports); portnr++, + for (portnr = 0; portnr < panelp->nrports; portnr++, totalport++) { portp = panelp->ports[portnr]; - if (portp == (stlport_t *) NULL) + if (portp == NULL) continue; if (off >= (curoff += MAXLINE)) continue; @@ -1917,7 +1615,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof stl_readdone: *start = page; - return (pos - page); + return pos - page; } /*****************************************************************************/ @@ -1929,11 +1627,9 @@ stl_readdone: static irqreturn_t stl_intr(int irq, void *dev_id) { - stlbrd_t *brdp = (stlbrd_t *) dev_id; + struct stlbrd *brdp = dev_id; -#ifdef DEBUG - printk("stl_intr(brdp=%x,irq=%d)\n", (int) brdp, irq); -#endif + pr_debug("stl_intr(brdp=%p,irq=%d)\n", brdp, irq); return IRQ_RETVAL((* brdp->isr)(brdp)); } @@ -1944,9 +1640,9 @@ static irqreturn_t stl_intr(int irq, void *dev_id) * Interrupt service routine for EasyIO board types. */ -static int stl_eiointr(stlbrd_t *brdp) +static int stl_eiointr(struct stlbrd *brdp) { - stlpanel_t *panelp; + struct stlpanel *panelp; unsigned int iobase; int handled = 0; @@ -1967,18 +1663,17 @@ static int stl_eiointr(stlbrd_t *brdp) * Interrupt service routine for ECH-AT board types. */ -static int stl_echatintr(stlbrd_t *brdp) +static int stl_echatintr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr; int handled = 0; outb((brdp->ioctrlval | ECH_BRDENABLE), brdp->ioctrl); while (inb(brdp->iostatus) & ECH_INTRPEND) { handled = 1; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { panelp = brdp->bnk2panel[bnknr]; @@ -1998,16 +1693,15 @@ static int stl_echatintr(stlbrd_t *brdp) * Interrupt service routine for ECH-MCA board types. */ -static int stl_echmcaintr(stlbrd_t *brdp) +static int stl_echmcaintr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr; int handled = 0; while (inb(brdp->iostatus) & ECH_INTRPEND) { handled = 1; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { panelp = brdp->bnk2panel[bnknr]; @@ -2024,16 +1718,15 @@ static int stl_echmcaintr(stlbrd_t *brdp) * Interrupt service routine for ECH-PCI board types. */ -static int stl_echpciintr(stlbrd_t *brdp) +static int stl_echpciintr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr, recheck; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr, recheck; int handled = 0; while (1) { recheck = 0; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { outb(brdp->bnkpageaddr[bnknr], brdp->ioctrl); ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { @@ -2055,16 +1748,15 @@ static int stl_echpciintr(stlbrd_t *brdp) * Interrupt service routine for ECH-8/64-PCI board types. */ -static int stl_echpci64intr(stlbrd_t *brdp) +static int stl_echpci64intr(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int ioaddr; - int bnknr; + struct stlpanel *panelp; + unsigned int ioaddr, bnknr; int handled = 0; while (inb(brdp->ioctrl) & 0x1) { handled = 1; - for (bnknr = 0; (bnknr < brdp->nrbnks); bnknr++) { + for (bnknr = 0; bnknr < brdp->nrbnks; bnknr++) { ioaddr = brdp->bnkstataddr[bnknr]; if (inb(ioaddr) & ECH_PNLINTRPEND) { panelp = brdp->bnk2panel[bnknr]; @@ -2083,35 +1775,32 @@ static int stl_echpci64intr(stlbrd_t *brdp) */ static void stl_offintr(struct work_struct *work) { - stlport_t *portp = container_of(work, stlport_t, tqueue); + struct stlport *portp = container_of(work, struct stlport, tqueue); struct tty_struct *tty; unsigned int oldsigs; -#ifdef DEBUG - printk("stl_offintr(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_offintr(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; lock_kernel(); - if (test_bit(ASYI_TXLOW, &portp->istate)) { + if (test_bit(ASYI_TXLOW, &portp->istate)) tty_wakeup(tty); - } + if (test_bit(ASYI_DCDCHANGE, &portp->istate)) { clear_bit(ASYI_DCDCHANGE, &portp->istate); oldsigs = portp->sigs; portp->sigs = stl_getsignals(portp); if ((portp->sigs & TIOCM_CD) && ((oldsigs & TIOCM_CD) == 0)) wake_up_interruptible(&portp->open_wait); - if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0)) { + if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0)) if (portp->flags & ASYNC_CHECK_CD) tty_hangup(tty); /* FIXME: module removal race here - AKPM */ - } } unlock_kernel(); } @@ -2122,14 +1811,13 @@ static void stl_offintr(struct work_struct *work) * Initialize all the ports on a panel. */ -static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) +static int __devinit stl_initports(struct stlbrd *brdp, struct stlpanel *panelp) { - stlport_t *portp; - int chipmask, i; + struct stlport *portp; + unsigned int i; + int chipmask; -#ifdef DEBUG - printk("stl_initports(brdp=%x,panelp=%x)\n", (int) brdp, (int) panelp); -#endif + pr_debug("stl_initports(brdp=%p,panelp=%p)\n", brdp, panelp); chipmask = stl_panelinit(brdp, panelp); @@ -2137,11 +1825,11 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) * All UART's are initialized (if found!). Now go through and setup * each ports data structures. */ - for (i = 0; (i < panelp->nrports); i++) { - portp = kzalloc(sizeof(stlport_t), GFP_KERNEL); + for (i = 0; i < panelp->nrports; i++) { + portp = kzalloc(sizeof(struct stlport), GFP_KERNEL); if (!portp) { printk("STALLION: failed to allocate memory " - "(size=%Zd)\n", sizeof(stlport_t)); + "(size=%Zd)\n", sizeof(struct stlport)); break; } @@ -2164,7 +1852,30 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) stl_portinit(brdp, panelp, portp); } - return(0); + return 0; +} + +static void stl_cleanup_panels(struct stlbrd *brdp) +{ + struct stlpanel *panelp; + struct stlport *portp; + unsigned int j, k; + + for (j = 0; j < STL_MAXPANELS; j++) { + panelp = brdp->panels[j]; + if (panelp == NULL) + continue; + for (k = 0; k < STL_PORTSPERPANEL; k++) { + portp = panelp->ports[k]; + if (portp == NULL) + continue; + if (portp->tty != NULL) + stl_hangup(portp->tty); + kfree(portp->tx.buf); + kfree(portp); + } + kfree(panelp); + } } /*****************************************************************************/ @@ -2173,16 +1884,14 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) * Try to find and initialize an EasyIO board. */ -static inline int stl_initeio(stlbrd_t *brdp) +static int __devinit stl_initeio(struct stlbrd *brdp) { - stlpanel_t *panelp; + struct stlpanel *panelp; unsigned int status; char *name; - int rc; + int retval; -#ifdef DEBUG - printk("stl_initeio(brdp=%x)\n", (int) brdp); -#endif + pr_debug("stl_initeio(brdp=%p)\n", brdp); brdp->ioctrl = brdp->ioaddr1 + 1; brdp->iostatus = brdp->ioaddr1 + 2; @@ -2207,18 +1916,20 @@ static inline int stl_initeio(stlbrd_t *brdp) (stl_vecmap[brdp->irq] == (unsigned char) 0xff)) { printk("STALLION: invalid irq=%d for brd=%d\n", brdp->irq, brdp->brdnr); - return(-EINVAL); + retval = -EINVAL; + goto err; } outb((stl_vecmap[brdp->irq] | EIO_0WS | ((brdp->irqtype) ? EIO_INTLEVEL : EIO_INTEDGE)), brdp->ioctrl); } + retval = -EBUSY; if (!request_region(brdp->ioaddr1, brdp->iosize1, name)) { printk(KERN_WARNING "STALLION: Warning, board %d I/O address " "%x conflicts with another device\n", brdp->brdnr, brdp->ioaddr1); - return(-EBUSY); + goto err; } if (brdp->iosize2 > 0) @@ -2229,8 +1940,7 @@ static inline int stl_initeio(stlbrd_t *brdp) printk(KERN_WARNING "STALLION: Warning, also " "releasing board %d I/O address %x \n", brdp->brdnr, brdp->ioaddr1); - release_region(brdp->ioaddr1, brdp->iosize1); - return(-EBUSY); + goto err_rel1; } /* @@ -2239,6 +1949,7 @@ static inline int stl_initeio(stlbrd_t *brdp) brdp->clk = CD1400_CLK; brdp->isr = stl_eiointr; + retval = -ENODEV; switch (status & EIO_IDBITMASK) { case EIO_8PORTM: brdp->clk = CD1400_CLK8M; @@ -2262,11 +1973,11 @@ static inline int stl_initeio(stlbrd_t *brdp) brdp->nrports = 16; break; default: - return(-ENODEV); + goto err_rel2; } break; default: - return(-ENODEV); + goto err_rel2; } /* @@ -2274,11 +1985,12 @@ static inline int stl_initeio(stlbrd_t *brdp) * can complete the setup. */ - panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + panelp = kzalloc(sizeof(struct stlpanel), GFP_KERNEL); if (!panelp) { printk(KERN_WARNING "STALLION: failed to allocate memory " - "(size=%Zd)\n", sizeof(stlpanel_t)); - return -ENOMEM; + "(size=%Zd)\n", sizeof(struct stlpanel)); + retval = -ENOMEM; + goto err_rel2; } panelp->magic = STL_PANELMAGIC; @@ -2288,10 +2000,10 @@ static inline int stl_initeio(stlbrd_t *brdp) panelp->iobase = brdp->ioaddr1; panelp->hwid = status; if ((status & EIO_IDBITMASK) == EIO_MK3) { - panelp->uartp = (void *) &stl_sc26198uart; + panelp->uartp = &stl_sc26198uart; panelp->isr = stl_sc26198intr; } else { - panelp->uartp = (void *) &stl_cd1400uart; + panelp->uartp = &stl_cd1400uart; panelp->isr = stl_cd1400eiointr; } @@ -2302,11 +2014,20 @@ static inline int stl_initeio(stlbrd_t *brdp) if (request_irq(brdp->irq, stl_intr, IRQF_SHARED, name, brdp) != 0) { printk("STALLION: failed to register interrupt " "routine for %s irq=%d\n", name, brdp->irq); - rc = -ENODEV; - } else { - rc = 0; + retval = -ENODEV; + goto err_fr; } - return rc; + + return 0; +err_fr: + stl_cleanup_panels(brdp); +err_rel2: + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); +err_rel1: + release_region(brdp->ioaddr1, brdp->iosize1); +err: + return retval; } /*****************************************************************************/ @@ -2316,16 +2037,14 @@ static inline int stl_initeio(stlbrd_t *brdp) * dealing with all types of ECH board. */ -static inline int stl_initech(stlbrd_t *brdp) +static int __devinit stl_initech(struct stlbrd *brdp) { - stlpanel_t *panelp; - unsigned int status, nxtid, ioaddr, conflict; - int panelnr, banknr, i; + struct stlpanel *panelp; + unsigned int status, nxtid, ioaddr, conflict, panelnr, banknr, i; + int retval; char *name; -#ifdef DEBUG - printk("stl_initech(brdp=%x)\n", (int) brdp); -#endif + pr_debug("stl_initech(brdp=%p)\n", brdp); status = 0; conflict = 0; @@ -2342,20 +2061,23 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->ioctrl = brdp->ioaddr1 + 1; brdp->iostatus = brdp->ioaddr1 + 1; status = inb(brdp->iostatus); - if ((status & ECH_IDBITMASK) != ECH_ID) - return(-ENODEV); + if ((status & ECH_IDBITMASK) != ECH_ID) { + retval = -ENODEV; + goto err; + } if ((brdp->irq < 0) || (brdp->irq > 15) || (stl_vecmap[brdp->irq] == (unsigned char) 0xff)) { printk("STALLION: invalid irq=%d for brd=%d\n", brdp->irq, brdp->brdnr); - return(-EINVAL); + retval = -EINVAL; + goto err; } status = ((brdp->ioaddr2 & ECH_ADDR2MASK) >> 1); status |= (stl_vecmap[brdp->irq] << 1); outb((status | ECH_BRDRESET), brdp->ioaddr1); brdp->ioctrlval = ECH_INTENABLE | ((brdp->irqtype) ? ECH_INTLEVEL : ECH_INTEDGE); - for (i = 0; (i < 10); i++) + for (i = 0; i < 10; i++) outb((brdp->ioctrlval | ECH_BRDENABLE), brdp->ioctrl); brdp->iosize1 = 2; brdp->iosize2 = 32; @@ -2368,13 +2090,16 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->ioctrl = brdp->ioaddr1 + 0x20; brdp->iostatus = brdp->ioctrl; status = inb(brdp->iostatus); - if ((status & ECH_IDBITMASK) != ECH_ID) - return(-ENODEV); + if ((status & ECH_IDBITMASK) != ECH_ID) { + retval = -ENODEV; + goto err; + } if ((brdp->irq < 0) || (brdp->irq > 15) || (stl_vecmap[brdp->irq] == (unsigned char) 0xff)) { printk("STALLION: invalid irq=%d for brd=%d\n", brdp->irq, brdp->brdnr); - return(-EINVAL); + retval = -EINVAL; + goto err; } outb(ECHMC_BRDRESET, brdp->ioctrl); outb(ECHMC_INTENABLE, brdp->ioctrl); @@ -2401,19 +2126,20 @@ static inline int stl_initech(stlbrd_t *brdp) default: printk("STALLION: unknown board type=%d\n", brdp->brdtype); - return(-EINVAL); - break; + retval = -EINVAL; + goto err; } /* * Check boards for possible IO address conflicts and return fail status * if an IO conflict found. */ + retval = -EBUSY; if (!request_region(brdp->ioaddr1, brdp->iosize1, name)) { printk(KERN_WARNING "STALLION: Warning, board %d I/O address " "%x conflicts with another device\n", brdp->brdnr, brdp->ioaddr1); - return(-EBUSY); + goto err; } if (brdp->iosize2 > 0) @@ -2424,8 +2150,7 @@ static inline int stl_initech(stlbrd_t *brdp) printk(KERN_WARNING "STALLION: Warning, also " "releasing board %d I/O address %x \n", brdp->brdnr, brdp->ioaddr1); - release_region(brdp->ioaddr1, brdp->iosize1); - return(-EBUSY); + goto err_rel1; } /* @@ -2440,19 +2165,19 @@ static inline int stl_initech(stlbrd_t *brdp) panelnr = 0; nxtid = 0; - for (i = 0; (i < STL_MAXPANELS); i++) { + for (i = 0; i < STL_MAXPANELS; i++) { if (brdp->brdtype == BRD_ECHPCI) { outb(nxtid, brdp->ioctrl); ioaddr = brdp->ioaddr2; } status = inb(ioaddr + ECH_PNLSTATUS); if ((status & ECH_PNLIDMASK) != nxtid) - break; - panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + goto err_fr; + panelp = kzalloc(sizeof(struct stlpanel), GFP_KERNEL); if (!panelp) { printk("STALLION: failed to allocate memory " - "(size=%Zd)\n", sizeof(stlpanel_t)); - break; + "(size=%Zd)\n", sizeof(struct stlpanel)); + goto err_fr; } panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; @@ -2465,7 +2190,7 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->bnkstataddr[banknr++] = ioaddr + ECH_PNLSTATUS; if (status & ECH_PNLXPID) { - panelp->uartp = (void *) &stl_sc26198uart; + panelp->uartp = &stl_sc26198uart; panelp->isr = stl_sc26198intr; if (status & ECH_PNL16PORT) { panelp->nrports = 16; @@ -2473,11 +2198,10 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->bnkpageaddr[banknr] = nxtid; brdp->bnkstataddr[banknr++] = ioaddr + 4 + ECH_PNLSTATUS; - } else { + } else panelp->nrports = 8; - } } else { - panelp->uartp = (void *) &stl_cd1400uart; + panelp->uartp = &stl_cd1400uart; panelp->isr = stl_cd1400echintr; if (status & ECH_PNL16PORT) { panelp->nrports = 16; @@ -2500,7 +2224,7 @@ static inline int stl_initech(stlbrd_t *brdp) brdp->panels[panelnr++] = panelp; if ((brdp->brdtype != BRD_ECHPCI) && (ioaddr >= (brdp->ioaddr2 + brdp->iosize2))) - break; + goto err_fr; } brdp->nrpanels = panelnr; @@ -2512,12 +2236,19 @@ static inline int stl_initech(stlbrd_t *brdp) if (request_irq(brdp->irq, stl_intr, IRQF_SHARED, name, brdp) != 0) { printk("STALLION: failed to register interrupt " "routine for %s irq=%d\n", name, brdp->irq); - i = -ENODEV; - } else { - i = 0; + retval = -ENODEV; + goto err_fr; } - return(i); + return 0; +err_fr: + stl_cleanup_panels(brdp); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); +err_rel1: + release_region(brdp->ioaddr1, brdp->iosize1); +err: + return retval; } /*****************************************************************************/ @@ -2529,48 +2260,61 @@ static inline int stl_initech(stlbrd_t *brdp) * since the initial search and setup is very different. */ -static int __init stl_brdinit(stlbrd_t *brdp) +static int __devinit stl_brdinit(struct stlbrd *brdp) { - int i; + int i, retval; -#ifdef DEBUG - printk("stl_brdinit(brdp=%x)\n", (int) brdp); -#endif + pr_debug("stl_brdinit(brdp=%p)\n", brdp); switch (brdp->brdtype) { case BRD_EASYIO: case BRD_EASYIOPCI: - stl_initeio(brdp); + retval = stl_initeio(brdp); + if (retval) + goto err; break; case BRD_ECH: case BRD_ECHMC: case BRD_ECHPCI: case BRD_ECH64PCI: - stl_initech(brdp); + retval = stl_initech(brdp); + if (retval) + goto err; break; default: printk("STALLION: board=%d is unknown board type=%d\n", brdp->brdnr, brdp->brdtype); - return(ENODEV); + retval = -ENODEV; + goto err; } - stl_brds[brdp->brdnr] = brdp; if ((brdp->state & BRD_FOUND) == 0) { printk("STALLION: %s board not found, board=%d io=%x irq=%d\n", stl_brdnames[brdp->brdtype], brdp->brdnr, brdp->ioaddr1, brdp->irq); - return(ENODEV); + goto err_free; } - for (i = 0; (i < STL_MAXPANELS); i++) - if (brdp->panels[i] != (stlpanel_t *) NULL) + for (i = 0; i < STL_MAXPANELS; i++) + if (brdp->panels[i] != NULL) stl_initports(brdp, brdp->panels[i]); printk("STALLION: %s found, board=%d io=%x irq=%d " "nrpanels=%d nrports=%d\n", stl_brdnames[brdp->brdtype], brdp->brdnr, brdp->ioaddr1, brdp->irq, brdp->nrpanels, brdp->nrports); - return(0); + + return 0; +err_free: + free_irq(brdp->irq, brdp); + + stl_cleanup_panels(brdp); + + release_region(brdp->ioaddr1, brdp->iosize1); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); +err: + return retval; } /*****************************************************************************/ @@ -2579,59 +2323,62 @@ static int __init stl_brdinit(stlbrd_t *brdp) * Find the next available board number that is free. */ -static inline int stl_getbrdnr(void) +static int __devinit stl_getbrdnr(void) { - int i; + unsigned int i; - for (i = 0; (i < STL_MAXBRDS); i++) { - if (stl_brds[i] == (stlbrd_t *) NULL) { + for (i = 0; i < STL_MAXBRDS; i++) + if (stl_brds[i] == NULL) { if (i >= stl_nrbrds) stl_nrbrds = i + 1; - return(i); + return i; } - } - return(-1); + + return -1; } /*****************************************************************************/ - -#ifdef CONFIG_PCI - /* * We have a Stallion board. Allocate a board structure and * initialize it. Read its IO and IRQ resources from PCI * configuration space. */ -static inline int stl_initpcibrd(int brdtype, struct pci_dev *devp) +static int __devinit stl_pciprobe(struct pci_dev *pdev, + const struct pci_device_id *ent) { - stlbrd_t *brdp; - -#ifdef DEBUG - printk("stl_initpcibrd(brdtype=%d,busnr=%x,devnr=%x)\n", brdtype, - devp->bus->number, devp->devfn); -#endif - - if (pci_enable_device(devp)) - return(-EIO); - if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL) - return(-ENOMEM); - if ((brdp->brdnr = stl_getbrdnr()) < 0) { - printk("STALLION: too many boards found, " + struct stlbrd *brdp; + unsigned int i, brdtype = ent->driver_data; + int brdnr, retval = -ENODEV; + + if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) + goto err; + + dev_info(&pdev->dev, "please, report this to LKML: %x/%x/%x\n", + pdev->vendor, pdev->device, pdev->class); + + retval = pci_enable_device(pdev); + if (retval) + goto err; + brdp = stl_allocbrd(); + if (brdp == NULL) { + retval = -ENOMEM; + goto err; + } + mutex_lock(&stl_brdslock); + brdnr = stl_getbrdnr(); + if (brdnr < 0) { + dev_err(&pdev->dev, "too many boards found, " "maximum supported %d\n", STL_MAXBRDS); - return(0); + mutex_unlock(&stl_brdslock); + goto err_fr; } - brdp->brdtype = brdtype; + brdp->brdnr = (unsigned int)brdnr; + stl_brds[brdp->brdnr] = brdp; + mutex_unlock(&stl_brdslock); -/* - * Different Stallion boards use the BAR registers in different ways, - * so set up io addresses based on board type. - */ -#ifdef DEBUG - printk("%s(%d): BAR[]=%x,%x,%x,%x IRQ=%x\n", __FILE__, __LINE__, - pci_resource_start(devp, 0), pci_resource_start(devp, 1), - pci_resource_start(devp, 2), pci_resource_start(devp, 3), devp->irq); -#endif + brdp->brdtype = brdtype; + brdp->state |= STL_PROBED; /* * We have all resources from the board, so let's setup the actual @@ -2639,120 +2386,70 @@ static inline int stl_initpcibrd(int brdtype, struct pci_dev *devp) */ switch (brdtype) { case BRD_ECHPCI: - brdp->ioaddr2 = pci_resource_start(devp, 0); - brdp->ioaddr1 = pci_resource_start(devp, 1); + brdp->ioaddr2 = pci_resource_start(pdev, 0); + brdp->ioaddr1 = pci_resource_start(pdev, 1); break; case BRD_ECH64PCI: - brdp->ioaddr2 = pci_resource_start(devp, 2); - brdp->ioaddr1 = pci_resource_start(devp, 1); + brdp->ioaddr2 = pci_resource_start(pdev, 2); + brdp->ioaddr1 = pci_resource_start(pdev, 1); break; case BRD_EASYIOPCI: - brdp->ioaddr1 = pci_resource_start(devp, 2); - brdp->ioaddr2 = pci_resource_start(devp, 1); + brdp->ioaddr1 = pci_resource_start(pdev, 2); + brdp->ioaddr2 = pci_resource_start(pdev, 1); break; default: - printk("STALLION: unknown PCI board type=%d\n", brdtype); + dev_err(&pdev->dev, "unknown PCI board type=%u\n", brdtype); break; } - brdp->irq = devp->irq; - stl_brdinit(brdp); - - return(0); -} - -/*****************************************************************************/ - -/* - * Find all Stallion PCI boards that might be installed. Initialize each - * one as it is found. - */ - + brdp->irq = pdev->irq; + retval = stl_brdinit(brdp); + if (retval) + goto err_null; -static inline int stl_findpcibrds(void) -{ - struct pci_dev *dev = NULL; - int i, rc; - -#ifdef DEBUG - printk("stl_findpcibrds()\n"); -#endif + pci_set_drvdata(pdev, brdp); - for (i = 0; (i < stl_nrpcibrds); i++) - while ((dev = pci_find_device(stl_pcibrds[i].vendid, - stl_pcibrds[i].devid, dev))) { - -/* - * Found a device on the PCI bus that has our vendor and - * device ID. Need to check now that it is really us. - */ - if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) - continue; - - rc = stl_initpcibrd(stl_pcibrds[i].brdtype, dev); - if (rc) - return(rc); - } + for (i = 0; i < brdp->nrports; i++) + tty_register_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + i, &pdev->dev); - return(0); + return 0; +err_null: + stl_brds[brdp->brdnr] = NULL; +err_fr: + kfree(brdp); +err: + return retval; } -#endif - -/*****************************************************************************/ - -/* - * Scan through all the boards in the configuration and see what we - * can find. Handle EIO and the ECH boards a little differently here - * since the initial search and setup is too different. - */ - -static inline int stl_initbrds(void) +static void __devexit stl_pciremove(struct pci_dev *pdev) { - stlbrd_t *brdp; - stlconf_t *confp; - int i; + struct stlbrd *brdp = pci_get_drvdata(pdev); + unsigned int i; -#ifdef DEBUG - printk("stl_initbrds()\n"); -#endif + free_irq(brdp->irq, brdp); - if (stl_nrbrds > STL_MAXBRDS) { - printk("STALLION: too many boards in configuration table, " - "truncating to %d\n", STL_MAXBRDS); - stl_nrbrds = STL_MAXBRDS; - } + stl_cleanup_panels(brdp); -/* - * Firstly scan the list of static boards configured. Allocate - * resources and initialize the boards as found. - */ - for (i = 0; (i < stl_nrbrds); i++) { - confp = &stl_brdconf[i]; - stl_parsebrd(confp, stl_brdsp[i]); - if ((brdp = stl_allocbrd()) == (stlbrd_t *) NULL) - return(-ENOMEM); - brdp->brdnr = i; - brdp->brdtype = confp->brdtype; - brdp->ioaddr1 = confp->ioaddr1; - brdp->ioaddr2 = confp->ioaddr2; - brdp->irq = confp->irq; - brdp->irqtype = confp->irqtype; - stl_brdinit(brdp); - } + release_region(brdp->ioaddr1, brdp->iosize1); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); -/* - * Find any dynamically supported boards. That is via module load - * line options or auto-detected on the PCI bus. - */ - stl_argbrds(); -#ifdef CONFIG_PCI - stl_findpcibrds(); -#endif + for (i = 0; i < brdp->nrports; i++) + tty_unregister_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + i); - return(0); + stl_brds[brdp->brdnr] = NULL; + kfree(brdp); } +static struct pci_driver stl_pcidriver = { + .name = "stallion", + .id_table = stl_pcibrds, + .probe = stl_pciprobe, + .remove = __devexit_p(stl_pciremove) +}; + /*****************************************************************************/ /* @@ -2761,17 +2458,18 @@ static inline int stl_initbrds(void) static int stl_getbrdstats(combrd_t __user *bp) { - stlbrd_t *brdp; - stlpanel_t *panelp; - int i; + combrd_t stl_brdstats; + struct stlbrd *brdp; + struct stlpanel *panelp; + unsigned int i; if (copy_from_user(&stl_brdstats, bp, sizeof(combrd_t))) return -EFAULT; if (stl_brdstats.brd >= STL_MAXBRDS) - return(-ENODEV); + return -ENODEV; brdp = stl_brds[stl_brdstats.brd]; - if (brdp == (stlbrd_t *) NULL) - return(-ENODEV); + if (brdp == NULL) + return -ENODEV; memset(&stl_brdstats, 0, sizeof(combrd_t)); stl_brdstats.brd = brdp->brdnr; @@ -2783,7 +2481,7 @@ static int stl_getbrdstats(combrd_t __user *bp) stl_brdstats.irq = brdp->irq; stl_brdstats.nrpanels = brdp->nrpanels; stl_brdstats.nrports = brdp->nrports; - for (i = 0; (i < brdp->nrpanels); i++) { + for (i = 0; i < brdp->nrpanels; i++) { panelp = brdp->panels[i]; stl_brdstats.panels[i].panel = i; stl_brdstats.panels[i].hwid = panelp->hwid; @@ -2799,24 +2497,24 @@ static int stl_getbrdstats(combrd_t __user *bp) * Resolve the referenced port number into a port struct pointer. */ -static stlport_t *stl_getport(int brdnr, int panelnr, int portnr) +static struct stlport *stl_getport(int brdnr, int panelnr, int portnr) { - stlbrd_t *brdp; - stlpanel_t *panelp; + struct stlbrd *brdp; + struct stlpanel *panelp; - if ((brdnr < 0) || (brdnr >= STL_MAXBRDS)) - return((stlport_t *) NULL); + if (brdnr < 0 || brdnr >= STL_MAXBRDS) + return NULL; brdp = stl_brds[brdnr]; - if (brdp == (stlbrd_t *) NULL) - return((stlport_t *) NULL); - if ((panelnr < 0) || (panelnr >= brdp->nrpanels)) - return((stlport_t *) NULL); + if (brdp == NULL) + return NULL; + if (panelnr < 0 || (unsigned int)panelnr >= brdp->nrpanels) + return NULL; panelp = brdp->panels[panelnr]; - if (panelp == (stlpanel_t *) NULL) - return((stlport_t *) NULL); - if ((portnr < 0) || (portnr >= panelp->nrports)) - return((stlport_t *) NULL); - return(panelp->ports[portnr]); + if (panelp == NULL) + return NULL; + if (portnr < 0 || (unsigned int)portnr >= panelp->nrports) + return NULL; + return panelp->ports[portnr]; } /*****************************************************************************/ @@ -2827,8 +2525,9 @@ static stlport_t *stl_getport(int brdnr, int panelnr, int portnr) * what port to get stats for (used through board control device). */ -static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) +static int stl_getportstats(struct stlport *portp, comstats_t __user *cp) { + comstats_t stl_comstats; unsigned char *head, *tail; unsigned long flags; @@ -2837,8 +2536,8 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) return -EFAULT; portp = stl_getport(stl_comstats.brd, stl_comstats.panel, stl_comstats.port); - if (portp == (stlport_t *) NULL) - return(-ENODEV); + if (portp == NULL) + return -ENODEV; } portp->stats.state = portp->istate; @@ -2853,25 +2552,24 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) portp->stats.rxbuffered = 0; spin_lock_irqsave(&stallion_lock, flags); - if (portp->tty != (struct tty_struct *) NULL) { + if (portp->tty != NULL) if (portp->tty->driver_data == portp) { portp->stats.ttystate = portp->tty->flags; /* No longer available as a statistic */ portp->stats.rxbuffered = 1; /*portp->tty->flip.count; */ - if (portp->tty->termios != (struct termios *) NULL) { + if (portp->tty->termios != NULL) { portp->stats.cflags = portp->tty->termios->c_cflag; portp->stats.iflags = portp->tty->termios->c_iflag; portp->stats.oflags = portp->tty->termios->c_oflag; portp->stats.lflags = portp->tty->termios->c_lflag; } } - } spin_unlock_irqrestore(&stallion_lock, flags); head = portp->tx.head; tail = portp->tx.tail; - portp->stats.txbuffered = ((head >= tail) ? (head - tail) : - (STL_TXBUFSIZE - (tail - head))); + portp->stats.txbuffered = (head >= tail) ? (head - tail) : + (STL_TXBUFSIZE - (tail - head)); portp->stats.signals = (unsigned long) stl_getsignals(portp); @@ -2885,15 +2583,17 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) * Clear the port stats structure. We also return it zeroed out... */ -static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp) +static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp) { + comstats_t stl_comstats; + if (!portp) { if (copy_from_user(&stl_comstats, cp, sizeof(comstats_t))) return -EFAULT; portp = stl_getport(stl_comstats.brd, stl_comstats.panel, stl_comstats.port); - if (portp == (stlport_t *) NULL) - return(-ENODEV); + if (portp == NULL) + return -ENODEV; } memset(&portp->stats, 0, sizeof(comstats_t)); @@ -2910,17 +2610,18 @@ static int stl_clrportstats(stlport_t *portp, comstats_t __user *cp) * Return the entire driver ports structure to a user app. */ -static int stl_getportstruct(stlport_t __user *arg) +static int stl_getportstruct(struct stlport __user *arg) { - stlport_t *portp; + struct stlport stl_dummyport; + struct stlport *portp; - if (copy_from_user(&stl_dummyport, arg, sizeof(stlport_t))) + if (copy_from_user(&stl_dummyport, arg, sizeof(struct stlport))) return -EFAULT; portp = stl_getport(stl_dummyport.brdnr, stl_dummyport.panelnr, stl_dummyport.portnr); if (!portp) return -ENODEV; - return copy_to_user(arg, portp, sizeof(stlport_t)) ? -EFAULT : 0; + return copy_to_user(arg, portp, sizeof(struct stlport)) ? -EFAULT : 0; } /*****************************************************************************/ @@ -2929,18 +2630,19 @@ static int stl_getportstruct(stlport_t __user *arg) * Return the entire driver board structure to a user app. */ -static int stl_getbrdstruct(stlbrd_t __user *arg) +static int stl_getbrdstruct(struct stlbrd __user *arg) { - stlbrd_t *brdp; + struct stlbrd stl_dummybrd; + struct stlbrd *brdp; - if (copy_from_user(&stl_dummybrd, arg, sizeof(stlbrd_t))) + if (copy_from_user(&stl_dummybrd, arg, sizeof(struct stlbrd))) return -EFAULT; - if ((stl_dummybrd.brdnr < 0) || (stl_dummybrd.brdnr >= STL_MAXBRDS)) + if (stl_dummybrd.brdnr >= STL_MAXBRDS) return -ENODEV; brdp = stl_brds[stl_dummybrd.brdnr]; if (!brdp) - return(-ENODEV); - return copy_to_user(arg, brdp, sizeof(stlbrd_t)) ? -EFAULT : 0; + return -ENODEV; + return copy_to_user(arg, brdp, sizeof(struct stlbrd)) ? -EFAULT : 0; } /*****************************************************************************/ @@ -2956,14 +2658,11 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns int brdnr, rc; void __user *argp = (void __user *)arg; -#ifdef DEBUG - printk("stl_memioctl(ip=%x,fp=%x,cmd=%x,arg=%x)\n", (int) ip, - (int) fp, cmd, (int) arg); -#endif + pr_debug("stl_memioctl(ip=%p,fp=%p,cmd=%x,arg=%lx)\n", ip, fp, cmd,arg); brdnr = iminor(ip); if (brdnr >= STL_MAXBRDS) - return(-ENODEV); + return -ENODEV; rc = 0; switch (cmd) { @@ -2987,7 +2686,7 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns break; } - return(rc); + return rc; } static const struct tty_operations stl_ops = { @@ -3015,55 +2714,6 @@ static const struct tty_operations stl_ops = { }; /*****************************************************************************/ - -static int __init stl_init(void) -{ - int i; - printk(KERN_INFO "%s: version %s\n", stl_drvtitle, stl_drvversion); - - spin_lock_init(&stallion_lock); - spin_lock_init(&brd_lock); - - stl_initbrds(); - - stl_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS); - if (!stl_serial) - return -1; - -/* - * Set up a character driver for per board stuff. This is mainly used - * to do stats ioctls on the ports. - */ - if (register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stl_fsiomem)) - printk("STALLION: failed to register serial board device\n"); - - stallion_class = class_create(THIS_MODULE, "staliomem"); - for (i = 0; i < 4; i++) - class_device_create(stallion_class, NULL, - MKDEV(STL_SIOMEMMAJOR, i), NULL, - "staliomem%d", i); - - stl_serial->owner = THIS_MODULE; - stl_serial->driver_name = stl_drvname; - stl_serial->name = "ttyE"; - stl_serial->major = STL_SERIALMAJOR; - stl_serial->minor_start = 0; - stl_serial->type = TTY_DRIVER_TYPE_SERIAL; - stl_serial->subtype = SERIAL_TYPE_NORMAL; - stl_serial->init_termios = stl_deftermios; - stl_serial->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(stl_serial, &stl_ops); - - if (tty_register_driver(stl_serial)) { - put_tty_driver(stl_serial); - printk("STALLION: failed to register serial driver\n"); - return -1; - } - - return 0; -} - -/*****************************************************************************/ /* CD1400 HARDWARE FUNCTIONS */ /*****************************************************************************/ @@ -3073,21 +2723,21 @@ static int __init stl_init(void) * (Maybe should make this inline...) */ -static int stl_cd1400getreg(stlport_t *portp, int regnr) +static int stl_cd1400getreg(struct stlport *portp, int regnr) { outb((regnr + portp->uartaddr), portp->ioaddr); return inb(portp->ioaddr + EREG_DATA); } -static void stl_cd1400setreg(stlport_t *portp, int regnr, int value) +static void stl_cd1400setreg(struct stlport *portp, int regnr, int value) { - outb((regnr + portp->uartaddr), portp->ioaddr); + outb(regnr + portp->uartaddr, portp->ioaddr); outb(value, portp->ioaddr + EREG_DATA); } -static int stl_cd1400updatereg(stlport_t *portp, int regnr, int value) +static int stl_cd1400updatereg(struct stlport *portp, int regnr, int value) { - outb((regnr + portp->uartaddr), portp->ioaddr); + outb(regnr + portp->uartaddr, portp->ioaddr); if (inb(portp->ioaddr + EREG_DATA) != value) { outb(value, portp->ioaddr + EREG_DATA); return 1; @@ -3103,16 +2753,14 @@ static int stl_cd1400updatereg(stlport_t *portp, int regnr, int value) * identical when dealing with ports. */ -static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) +static int stl_cd1400panelinit(struct stlbrd *brdp, struct stlpanel *panelp) { unsigned int gfrcr; int chipmask, i, j; int nrchips, uartaddr, ioaddr; unsigned long flags; -#ifdef DEBUG - printk("stl_panelinit(brdp=%x,panelp=%x)\n", (int) brdp, (int) panelp); -#endif + pr_debug("stl_panelinit(brdp=%p,panelp=%p)\n", brdp, panelp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(panelp->brdnr, panelp->pagenr); @@ -3122,13 +2770,12 @@ static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) */ chipmask = 0; nrchips = panelp->nrports / CD1400_PORTS; - for (i = 0; (i < nrchips); i++) { + for (i = 0; i < nrchips; i++) { if (brdp->brdtype == BRD_ECHPCI) { outb((panelp->pagenr + (i >> 1)), brdp->ioctrl); ioaddr = panelp->iobase; - } else { + } else ioaddr = panelp->iobase + (EREG_BANKSIZE * (i >> 1)); - } uartaddr = (i & 0x01) ? 0x080 : 0; outb((GFRCR + uartaddr), ioaddr); outb(0, (ioaddr + EREG_DATA)); @@ -3136,10 +2783,10 @@ static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) outb(CCR_RESETFULL, (ioaddr + EREG_DATA)); outb(CCR_RESETFULL, (ioaddr + EREG_DATA)); outb((GFRCR + uartaddr), ioaddr); - for (j = 0; (j < CCR_MAXWAIT); j++) { + for (j = 0; j < CCR_MAXWAIT; j++) if ((gfrcr = inb(ioaddr + EREG_DATA)) != 0) break; - } + if ((j >= CCR_MAXWAIT) || (gfrcr < 0x40) || (gfrcr > 0x60)) { printk("STALLION: cd1400 not responding, " "brd=%d panel=%d chip=%d\n", @@ -3162,16 +2809,14 @@ static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) * Initialize hardware specific port registers. */ -static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp) +static void stl_cd1400portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400portinit(brdp=%x,panelp=%x,portp=%x)\n", - (int) brdp, (int) panelp, (int) portp); -#endif + pr_debug("stl_cd1400portinit(brdp=%p,panelp=%p,portp=%p)\n", brdp, + panelp, portp); - if ((brdp == (stlbrd_t *) NULL) || (panelp == (stlpanel_t *) NULL) || - (portp == (stlport_t *) NULL)) + if ((brdp == NULL) || (panelp == NULL) || + (portp == NULL)) return; spin_lock_irqsave(&brd_lock, flags); @@ -3195,15 +2840,13 @@ static void stl_cd1400portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *po * since it won't usually take too long to be ready. */ -static void stl_cd1400ccrwait(stlport_t *portp) +static void stl_cd1400ccrwait(struct stlport *portp) { int i; - for (i = 0; (i < CCR_MAXWAIT); i++) { - if (stl_cd1400getreg(portp, CCR) == 0) { + for (i = 0; i < CCR_MAXWAIT; i++) + if (stl_cd1400getreg(portp, CCR) == 0) return; - } - } printk("STALLION: cd1400 not responding, port=%d panel=%d brd=%d\n", portp->portnr, portp->panelnr, portp->brdnr); @@ -3216,9 +2859,9 @@ static void stl_cd1400ccrwait(stlport_t *portp) * settings. */ -static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) +static void stl_cd1400setport(struct stlport *portp, struct ktermios *tiosp) { - stlbrd_t *brdp; + struct stlbrd *brdp; unsigned long flags; unsigned int clkdiv, baudrate; unsigned char cor1, cor2, cor3; @@ -3242,7 +2885,7 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) sreroff = 0; brdp = stl_brds[portp->brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) return; /* @@ -3339,8 +2982,8 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) baudrate = STL_CD1400MAXBAUD; if (baudrate > 0) { - for (clk = 0; (clk < CD1400_NUMCLKS); clk++) { - clkdiv = ((portp->clk / stl_cd1400clkdivs[clk]) / baudrate); + for (clk = 0; clk < CD1400_NUMCLKS; clk++) { + clkdiv = (portp->clk / stl_cd1400clkdivs[clk]) / baudrate; if (clkdiv < 0x100) break; } @@ -3355,9 +2998,8 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) mcor2 |= MCOR2_DCD; sreron |= SRER_MODEM; portp->flags |= ASYNC_CHECK_CD; - } else { + } else portp->flags &= ~ASYNC_CHECK_CD; - } /* * Setup cd1400 enhanced modes if we can. In particular we want to @@ -3382,18 +3024,16 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) * them all up. */ -#ifdef DEBUG - printk("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", + pr_debug("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", portp->portnr, portp->panelnr, portp->brdnr); - printk(" cor1=%x cor2=%x cor3=%x cor4=%x cor5=%x\n", + pr_debug(" cor1=%x cor2=%x cor3=%x cor4=%x cor5=%x\n", cor1, cor2, cor3, cor4, cor5); - printk(" mcor1=%x mcor2=%x rtpr=%x sreron=%x sreroff=%x\n", + pr_debug(" mcor1=%x mcor2=%x rtpr=%x sreron=%x sreroff=%x\n", mcor1, mcor2, rtpr, sreron, sreroff); - printk(" tcor=%x tbpr=%x rcor=%x rbpr=%x\n", clk, div, clk, div); - printk(" schr1=%x schr2=%x schr3=%x schr4=%x\n", + pr_debug(" tcor=%x tbpr=%x rcor=%x rbpr=%x\n", clk, div, clk, div); + pr_debug(" schr1=%x schr2=%x schr3=%x schr4=%x\n", tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP], tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP]); -#endif spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -3441,15 +3081,13 @@ static void stl_cd1400setport(stlport_t *portp, struct termios *tiosp) * Set the state of the DTR and RTS signals. */ -static void stl_cd1400setsignals(stlport_t *portp, int dtr, int rts) +static void stl_cd1400setsignals(struct stlport *portp, int dtr, int rts) { unsigned char msvr1, msvr2; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400setsignals(portp=%x,dtr=%d,rts=%d)\n", - (int) portp, dtr, rts); -#endif + pr_debug("stl_cd1400setsignals(portp=%p,dtr=%d,rts=%d)\n", + portp, dtr, rts); msvr1 = 0; msvr2 = 0; @@ -3475,15 +3113,13 @@ static void stl_cd1400setsignals(stlport_t *portp, int dtr, int rts) * Return the state of the signals. */ -static int stl_cd1400getsignals(stlport_t *portp) +static int stl_cd1400getsignals(struct stlport *portp) { unsigned char msvr1, msvr2; unsigned long flags; int sigs; -#ifdef DEBUG - printk("stl_cd1400getsignals(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400getsignals(portp=%p)\n", portp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -3513,15 +3149,13 @@ static int stl_cd1400getsignals(stlport_t *portp) * Enable/Disable the Transmitter and/or Receiver. */ -static void stl_cd1400enablerxtx(stlport_t *portp, int rx, int tx) +static void stl_cd1400enablerxtx(struct stlport *portp, int rx, int tx) { unsigned char ccr; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400enablerxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_cd1400enablerxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx, tx); + ccr = 0; if (tx == 0) @@ -3549,15 +3183,12 @@ static void stl_cd1400enablerxtx(stlport_t *portp, int rx, int tx) * Start/stop the Transmitter and/or Receiver. */ -static void stl_cd1400startrxtx(stlport_t *portp, int rx, int tx) +static void stl_cd1400startrxtx(struct stlport *portp, int rx, int tx) { unsigned char sreron, sreroff; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400startrxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_cd1400startrxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx, tx); sreron = 0; sreroff = 0; @@ -3589,13 +3220,12 @@ static void stl_cd1400startrxtx(stlport_t *portp, int rx, int tx) * Disable all interrupts from this port. */ -static void stl_cd1400disableintrs(stlport_t *portp) +static void stl_cd1400disableintrs(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400disableintrs(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400disableintrs(portp=%p)\n", portp); + spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); stl_cd1400setreg(portp, CAR, (portp->portnr & 0x03)); @@ -3606,13 +3236,11 @@ static void stl_cd1400disableintrs(stlport_t *portp) /*****************************************************************************/ -static void stl_cd1400sendbreak(stlport_t *portp, int len) +static void stl_cd1400sendbreak(struct stlport *portp, int len) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400sendbreak(portp=%x,len=%d)\n", (int) portp, len); -#endif + pr_debug("stl_cd1400sendbreak(portp=%p,len=%d)\n", portp, len); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -3633,19 +3261,17 @@ static void stl_cd1400sendbreak(stlport_t *portp, int len) * Take flow control actions... */ -static void stl_cd1400flowctrl(stlport_t *portp, int state) +static void stl_cd1400flowctrl(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400flowctrl(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_cd1400flowctrl(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -3697,19 +3323,17 @@ static void stl_cd1400flowctrl(stlport_t *portp, int state) * Send a flow control character... */ -static void stl_cd1400sendflow(stlport_t *portp, int state) +static void stl_cd1400sendflow(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400sendflow(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_cd1400sendflow(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -3732,15 +3356,13 @@ static void stl_cd1400sendflow(stlport_t *portp, int state) /*****************************************************************************/ -static void stl_cd1400flush(stlport_t *portp) +static void stl_cd1400flush(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_cd1400flush(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400flush(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -3763,13 +3385,11 @@ static void stl_cd1400flush(stlport_t *portp) * maintains the busy port flag. */ -static int stl_cd1400datastate(stlport_t *portp) +static int stl_cd1400datastate(struct stlport *portp) { -#ifdef DEBUG - printk("stl_cd1400datastate(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_cd1400datastate(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; return test_bit(ASYI_TXBUSY, &portp->istate) ? 1 : 0; @@ -3781,14 +3401,11 @@ static int stl_cd1400datastate(stlport_t *portp) * Interrupt service routine for cd1400 EasyIO boards. */ -static void stl_cd1400eiointr(stlpanel_t *panelp, unsigned int iobase) +static void stl_cd1400eiointr(struct stlpanel *panelp, unsigned int iobase) { unsigned char svrtype; -#ifdef DEBUG - printk("stl_cd1400eiointr(panelp=%x,iobase=%x)\n", - (int) panelp, iobase); -#endif + pr_debug("stl_cd1400eiointr(panelp=%p,iobase=%x)\n", panelp, iobase); spin_lock(&brd_lock); outb(SVRR, iobase); @@ -3814,14 +3431,11 @@ static void stl_cd1400eiointr(stlpanel_t *panelp, unsigned int iobase) * Interrupt service routine for cd1400 panels. */ -static void stl_cd1400echintr(stlpanel_t *panelp, unsigned int iobase) +static void stl_cd1400echintr(struct stlpanel *panelp, unsigned int iobase) { unsigned char svrtype; -#ifdef DEBUG - printk("stl_cd1400echintr(panelp=%x,iobase=%x)\n", (int) panelp, - iobase); -#endif + pr_debug("stl_cd1400echintr(panelp=%p,iobase=%x)\n", panelp, iobase); outb(SVRR, iobase); svrtype = inb(iobase + EREG_DATA); @@ -3843,7 +3457,7 @@ static void stl_cd1400echintr(stlpanel_t *panelp, unsigned int iobase) * this is the only way to generate them on the cd1400. */ -static inline int stl_cd1400breakisr(stlport_t *portp, int ioaddr) +static int stl_cd1400breakisr(struct stlport *portp, int ioaddr) { if (portp->brklen == 1) { outb((COR2 + portp->uartaddr), ioaddr); @@ -3885,16 +3499,14 @@ static inline int stl_cd1400breakisr(stlport_t *portp, int ioaddr) * be NULL if the buffer has been freed. */ -static void stl_cd1400txisr(stlpanel_t *panelp, int ioaddr) +static void stl_cd1400txisr(struct stlpanel *panelp, int ioaddr) { - stlport_t *portp; + struct stlport *portp; int len, stlen; char *head, *tail; unsigned char ioack, srer; -#ifdef DEBUG - printk("stl_cd1400txisr(panelp=%x,ioaddr=%x)\n", (int) panelp, ioaddr); -#endif + pr_debug("stl_cd1400txisr(panelp=%p,ioaddr=%x)\n", panelp, ioaddr); ioack = inb(ioaddr + EREG_TXACK); if (((ioack & panelp->ackmask) != 0) || @@ -3933,9 +3545,9 @@ static void stl_cd1400txisr(stlpanel_t *panelp, int ioaddr) } outb(srer, (ioaddr + EREG_DATA)); } else { - len = MIN(len, CD1400_TXFIFOSIZE); + len = min(len, CD1400_TXFIFOSIZE); portp->stats.txtotal += len; - stlen = MIN(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); + stlen = min(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); outb((TDR + portp->uartaddr), ioaddr); outsb((ioaddr + EREG_DATA), tail, stlen); len -= stlen; @@ -3966,17 +3578,15 @@ stl_txalldone: * shutdown a port not in user context. Need to handle this case. */ -static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) +static void stl_cd1400rxisr(struct stlpanel *panelp, int ioaddr) { - stlport_t *portp; + struct stlport *portp; struct tty_struct *tty; unsigned int ioack, len, buflen; unsigned char status; char ch; -#ifdef DEBUG - printk("stl_cd1400rxisr(panelp=%x,ioaddr=%x)\n", (int) panelp, ioaddr); -#endif + pr_debug("stl_cd1400rxisr(panelp=%p,ioaddr=%x)\n", panelp, ioaddr); ioack = inb(ioaddr + EREG_RXACK); if ((ioack & panelp->ackmask) != 0) { @@ -3990,13 +3600,13 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) outb((RDCR + portp->uartaddr), ioaddr); len = inb(ioaddr + EREG_DATA); if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { - len = MIN(len, sizeof(stl_unwanted)); + len = min(len, sizeof(stl_unwanted)); outb((RDSR + portp->uartaddr), ioaddr); insb((ioaddr + EREG_DATA), &stl_unwanted[0], len); portp->stats.rxlost += len; portp->stats.rxtotal += len; } else { - len = MIN(len, buflen); + len = min(len, buflen); if (len > 0) { unsigned char *ptr; outb((RDSR + portp->uartaddr), ioaddr); @@ -4033,18 +3643,16 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) do_SAK(tty); BRDENABLE(portp->brdnr, portp->pagenr); } - } else if (status & ST_PARITY) { + } else if (status & ST_PARITY) status = TTY_PARITY; - } else if (status & ST_FRAMING) { + else if (status & ST_FRAMING) status = TTY_FRAME; - } else if(status & ST_OVERRUN) { + else if(status & ST_OVERRUN) status = TTY_OVERRUN; - } else { + else status = 0; - } - } else { + } else status = 0; - } tty_insert_flip_char(tty, ch, status); tty_schedule_flip(tty); } @@ -4066,15 +3674,13 @@ stl_rxalldone: * processing routine. */ -static void stl_cd1400mdmisr(stlpanel_t *panelp, int ioaddr) +static void stl_cd1400mdmisr(struct stlpanel *panelp, int ioaddr) { - stlport_t *portp; + struct stlport *portp; unsigned int ioack; unsigned char misr; -#ifdef DEBUG - printk("stl_cd1400mdmisr(panelp=%x)\n", (int) panelp); -#endif + pr_debug("stl_cd1400mdmisr(panelp=%p)\n", panelp); ioack = inb(ioaddr + EREG_MDACK); if (((ioack & panelp->ackmask) != 0) || @@ -4106,19 +3712,19 @@ static void stl_cd1400mdmisr(stlpanel_t *panelp, int ioaddr) * (Maybe should make this inline...) */ -static int stl_sc26198getreg(stlport_t *portp, int regnr) +static int stl_sc26198getreg(struct stlport *portp, int regnr) { outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); return inb(portp->ioaddr + XP_DATA); } -static void stl_sc26198setreg(stlport_t *portp, int regnr, int value) +static void stl_sc26198setreg(struct stlport *portp, int regnr, int value) { outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); outb(value, (portp->ioaddr + XP_DATA)); } -static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value) +static int stl_sc26198updatereg(struct stlport *portp, int regnr, int value) { outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); if (inb(portp->ioaddr + XP_DATA) != value) { @@ -4134,14 +3740,14 @@ static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value) * Functions to get and set the sc26198 global registers. */ -static int stl_sc26198getglobreg(stlport_t *portp, int regnr) +static int stl_sc26198getglobreg(struct stlport *portp, int regnr) { outb(regnr, (portp->ioaddr + XP_ADDR)); return inb(portp->ioaddr + XP_DATA); } #if 0 -static void stl_sc26198setglobreg(stlport_t *portp, int regnr, int value) +static void stl_sc26198setglobreg(struct stlport *portp, int regnr, int value) { outb(regnr, (portp->ioaddr + XP_ADDR)); outb(value, (portp->ioaddr + XP_DATA)); @@ -4156,15 +3762,12 @@ static void stl_sc26198setglobreg(stlport_t *portp, int regnr, int value) * identical when dealing with ports. */ -static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp) +static int stl_sc26198panelinit(struct stlbrd *brdp, struct stlpanel *panelp) { int chipmask, i; int nrchips, ioaddr; -#ifdef DEBUG - printk("stl_sc26198panelinit(brdp=%x,panelp=%x)\n", - (int) brdp, (int) panelp); -#endif + pr_debug("stl_sc26198panelinit(brdp=%p,panelp=%p)\n", brdp, panelp); BRDENABLE(panelp->brdnr, panelp->pagenr); @@ -4176,7 +3779,7 @@ static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp) if (brdp->brdtype == BRD_ECHPCI) outb(panelp->pagenr, brdp->ioctrl); - for (i = 0; (i < nrchips); i++) { + for (i = 0; i < nrchips; i++) { ioaddr = panelp->iobase + (i * 4); outb(SCCR, (ioaddr + XP_ADDR)); outb(CR_RESETALL, (ioaddr + XP_DATA)); @@ -4204,15 +3807,13 @@ static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp) * Initialize hardware specific port registers. */ -static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *portp) +static void stl_sc26198portinit(struct stlbrd *brdp, struct stlpanel *panelp, struct stlport *portp) { -#ifdef DEBUG - printk("stl_sc26198portinit(brdp=%x,panelp=%x,portp=%x)\n", - (int) brdp, (int) panelp, (int) portp); -#endif + pr_debug("stl_sc26198portinit(brdp=%p,panelp=%p,portp=%p)\n", brdp, + panelp, portp); - if ((brdp == (stlbrd_t *) NULL) || (panelp == (stlpanel_t *) NULL) || - (portp == (stlport_t *) NULL)) + if ((brdp == NULL) || (panelp == NULL) || + (portp == NULL)) return; portp->ioaddr = panelp->iobase + ((portp->portnr < 8) ? 0 : 4); @@ -4232,9 +3833,9 @@ static void stl_sc26198portinit(stlbrd_t *brdp, stlpanel_t *panelp, stlport_t *p * settings. */ -static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) +static void stl_sc26198setport(struct stlport *portp, struct ktermios *tiosp) { - stlbrd_t *brdp; + struct stlbrd *brdp; unsigned long flags; unsigned int baudrate; unsigned char mr0, mr1, mr2, clk; @@ -4249,7 +3850,7 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) imroff = 0; brdp = stl_brds[portp->brdnr]; - if (brdp == (stlbrd_t *) NULL) + if (brdp == NULL) return; /* @@ -4298,9 +3899,8 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) mr1 |= (MR1_PARENB | MR1_PARODD); else mr1 |= (MR1_PARENB | MR1_PAREVEN); - } else { + } else mr1 |= MR1_PARNONE; - } mr1 |= MR1_ERRBLOCK; @@ -4340,12 +3940,10 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) if (baudrate > STL_SC26198MAXBAUD) baudrate = STL_SC26198MAXBAUD; - if (baudrate > 0) { - for (clk = 0; (clk < SC26198_NRBAUDS); clk++) { + if (baudrate > 0) + for (clk = 0; clk < SC26198_NRBAUDS; clk++) if (baudrate <= sc26198_baudtable[clk]) break; - } - } /* * Check what form of modem signaling is required and set it up. @@ -4367,9 +3965,9 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) if (tiosp->c_iflag & IXON) { mr0 |= MR0_SWFTX | MR0_SWFT; imron |= IR_XONXOFF; - } else { + } else imroff |= IR_XONXOFF; - } + if (tiosp->c_iflag & IXOFF) mr0 |= MR0_SWFRX; @@ -4383,15 +3981,13 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) * them all up. */ -#ifdef DEBUG - printk("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", + pr_debug("SETPORT: portnr=%d panelnr=%d brdnr=%d\n", portp->portnr, portp->panelnr, portp->brdnr); - printk(" mr0=%x mr1=%x mr2=%x clk=%x\n", mr0, mr1, mr2, clk); - printk(" iopr=%x imron=%x imroff=%x\n", iopr, imron, imroff); - printk(" schr1=%x schr2=%x schr3=%x schr4=%x\n", + pr_debug(" mr0=%x mr1=%x mr2=%x clk=%x\n", mr0, mr1, mr2, clk); + pr_debug(" iopr=%x imron=%x imroff=%x\n", iopr, imron, imroff); + pr_debug(" schr1=%x schr2=%x schr3=%x schr4=%x\n", tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP], tiosp->c_cc[VSTART], tiosp->c_cc[VSTOP]); -#endif spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -4429,15 +4025,13 @@ static void stl_sc26198setport(stlport_t *portp, struct termios *tiosp) * Set the state of the DTR and RTS signals. */ -static void stl_sc26198setsignals(stlport_t *portp, int dtr, int rts) +static void stl_sc26198setsignals(struct stlport *portp, int dtr, int rts) { unsigned char iopioron, iopioroff; unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198setsignals(portp=%x,dtr=%d,rts=%d)\n", - (int) portp, dtr, rts); -#endif + pr_debug("stl_sc26198setsignals(portp=%p,dtr=%d,rts=%d)\n", portp, + dtr, rts); iopioron = 0; iopioroff = 0; @@ -4464,15 +4058,13 @@ static void stl_sc26198setsignals(stlport_t *portp, int dtr, int rts) * Return the state of the signals. */ -static int stl_sc26198getsignals(stlport_t *portp) +static int stl_sc26198getsignals(struct stlport *portp) { unsigned char ipr; unsigned long flags; int sigs; -#ifdef DEBUG - printk("stl_sc26198getsignals(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198getsignals(portp=%p)\n", portp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -4495,15 +4087,12 @@ static int stl_sc26198getsignals(stlport_t *portp) * Enable/Disable the Transmitter and/or Receiver. */ -static void stl_sc26198enablerxtx(stlport_t *portp, int rx, int tx) +static void stl_sc26198enablerxtx(struct stlport *portp, int rx, int tx) { unsigned char ccr; unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198enablerxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_sc26198enablerxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx,tx); ccr = portp->crenable; if (tx == 0) @@ -4529,15 +4118,12 @@ static void stl_sc26198enablerxtx(stlport_t *portp, int rx, int tx) * Start/stop the Transmitter and/or Receiver. */ -static void stl_sc26198startrxtx(stlport_t *portp, int rx, int tx) +static void stl_sc26198startrxtx(struct stlport *portp, int rx, int tx) { unsigned char imr; unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198startrxtx(portp=%x,rx=%d,tx=%d)\n", - (int) portp, rx, tx); -#endif + pr_debug("stl_sc26198startrxtx(portp=%p,rx=%d,tx=%d)\n", portp, rx, tx); imr = portp->imr; if (tx == 0) @@ -4565,13 +4151,11 @@ static void stl_sc26198startrxtx(stlport_t *portp, int rx, int tx) * Disable all interrupts from this port. */ -static void stl_sc26198disableintrs(stlport_t *portp) +static void stl_sc26198disableintrs(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198disableintrs(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198disableintrs(portp=%p)\n", portp); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); @@ -4583,22 +4167,20 @@ static void stl_sc26198disableintrs(stlport_t *portp) /*****************************************************************************/ -static void stl_sc26198sendbreak(stlport_t *portp, int len) +static void stl_sc26198sendbreak(struct stlport *portp, int len) { unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198sendbreak(portp=%x,len=%d)\n", (int) portp, len); -#endif + pr_debug("stl_sc26198sendbreak(portp=%p,len=%d)\n", portp, len); spin_lock_irqsave(&brd_lock, flags); BRDENABLE(portp->brdnr, portp->pagenr); if (len == 1) { stl_sc26198setreg(portp, SCCR, CR_TXSTARTBREAK); portp->stats.txbreaks++; - } else { + } else stl_sc26198setreg(portp, SCCR, CR_TXSTOPBREAK); - } + BRDDISABLE(portp->brdnr); spin_unlock_irqrestore(&brd_lock, flags); } @@ -4609,20 +4191,18 @@ static void stl_sc26198sendbreak(stlport_t *portp, int len) * Take flow control actions... */ -static void stl_sc26198flowctrl(stlport_t *portp, int state) +static void stl_sc26198flowctrl(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; unsigned char mr0; -#ifdef DEBUG - printk("stl_sc26198flowctrl(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_sc26198flowctrl(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -4680,20 +4260,18 @@ static void stl_sc26198flowctrl(stlport_t *portp, int state) * Send a flow control character. */ -static void stl_sc26198sendflow(stlport_t *portp, int state) +static void stl_sc26198sendflow(struct stlport *portp, int state) { struct tty_struct *tty; unsigned long flags; unsigned char mr0; -#ifdef DEBUG - printk("stl_sc26198sendflow(portp=%x,state=%x)\n", (int) portp, state); -#endif + pr_debug("stl_sc26198sendflow(portp=%p,state=%x)\n", portp, state); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; tty = portp->tty; - if (tty == (struct tty_struct *) NULL) + if (tty == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -4721,15 +4299,13 @@ static void stl_sc26198sendflow(stlport_t *portp, int state) /*****************************************************************************/ -static void stl_sc26198flush(stlport_t *portp) +static void stl_sc26198flush(struct stlport *portp) { unsigned long flags; -#ifdef DEBUG - printk("stl_sc26198flush(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198flush(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; spin_lock_irqsave(&brd_lock, flags); @@ -4751,16 +4327,14 @@ static void stl_sc26198flush(stlport_t *portp) * check the port statusy register to be sure. */ -static int stl_sc26198datastate(stlport_t *portp) +static int stl_sc26198datastate(struct stlport *portp) { unsigned long flags; unsigned char sr; -#ifdef DEBUG - printk("stl_sc26198datastate(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198datastate(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return 0; if (test_bit(ASYI_TXBUSY, &portp->istate)) return 1; @@ -4781,18 +4355,16 @@ static int stl_sc26198datastate(stlport_t *portp) * to process a command... */ -static void stl_sc26198wait(stlport_t *portp) +static void stl_sc26198wait(struct stlport *portp) { int i; -#ifdef DEBUG - printk("stl_sc26198wait(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198wait(portp=%p)\n", portp); - if (portp == (stlport_t *) NULL) + if (portp == NULL) return; - for (i = 0; (i < 20); i++) + for (i = 0; i < 20; i++) stl_sc26198getglobreg(portp, TSTR); } @@ -4804,7 +4376,7 @@ static void stl_sc26198wait(stlport_t *portp) * automatic flow control modes of the sc26198. */ -static inline void stl_sc26198txunflow(stlport_t *portp, struct tty_struct *tty) +static void stl_sc26198txunflow(struct stlport *portp, struct tty_struct *tty) { unsigned char mr0; @@ -4822,9 +4394,9 @@ static inline void stl_sc26198txunflow(stlport_t *portp, struct tty_struct *tty) * Interrupt service routine for sc26198 panels. */ -static void stl_sc26198intr(stlpanel_t *panelp, unsigned int iobase) +static void stl_sc26198intr(struct stlpanel *panelp, unsigned int iobase) { - stlport_t *portp; + struct stlport *portp; unsigned int iack; spin_lock(&brd_lock); @@ -4860,16 +4432,14 @@ static void stl_sc26198intr(stlpanel_t *panelp, unsigned int iobase) * be NULL if the buffer has been freed. */ -static void stl_sc26198txisr(stlport_t *portp) +static void stl_sc26198txisr(struct stlport *portp) { unsigned int ioaddr; unsigned char mr0; int len, stlen; char *head, *tail; -#ifdef DEBUG - printk("stl_sc26198txisr(portp=%x)\n", (int) portp); -#endif + pr_debug("stl_sc26198txisr(portp=%p)\n", portp); ioaddr = portp->ioaddr; head = portp->tx.head; @@ -4894,9 +4464,9 @@ static void stl_sc26198txisr(stlport_t *portp) outb(mr0, (ioaddr + XP_DATA)); } } else { - len = MIN(len, SC26198_TXFIFOSIZE); + len = min(len, SC26198_TXFIFOSIZE); portp->stats.txtotal += len; - stlen = MIN(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); + stlen = min(len, ((portp->tx.buf + STL_TXBUFSIZE) - tail)); outb(GTXFIFO, (ioaddr + XP_ADDR)); outsb((ioaddr + XP_DATA), tail, stlen); len -= stlen; @@ -4923,14 +4493,12 @@ static void stl_sc26198txisr(stlport_t *portp) * shutdown a port not in user context. Need to handle this case. */ -static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) +static void stl_sc26198rxisr(struct stlport *portp, unsigned int iack) { struct tty_struct *tty; unsigned int len, buflen, ioaddr; -#ifdef DEBUG - printk("stl_sc26198rxisr(portp=%x,iack=%x)\n", (int) portp, iack); -#endif + pr_debug("stl_sc26198rxisr(portp=%p,iack=%x)\n", portp, iack); tty = portp->tty; ioaddr = portp->ioaddr; @@ -4939,13 +4507,13 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) if ((iack & IVR_TYPEMASK) == IVR_RXDATA) { if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { - len = MIN(len, sizeof(stl_unwanted)); + len = min(len, sizeof(stl_unwanted)); outb(GRXFIFO, (ioaddr + XP_ADDR)); insb((ioaddr + XP_DATA), &stl_unwanted[0], len); portp->stats.rxlost += len; portp->stats.rxtotal += len; } else { - len = MIN(len, buflen); + len = min(len, buflen); if (len > 0) { unsigned char *ptr; outb(GRXFIFO, (ioaddr + XP_ADDR)); @@ -4965,8 +4533,8 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) * flow control modes of the sc26198. */ if (test_bit(ASYI_TXFLOWED, &portp->istate)) { - if ((tty != (struct tty_struct *) NULL) && - (tty->termios != (struct termios *) NULL) && + if ((tty != NULL) && + (tty->termios != NULL) && (tty->termios->c_iflag & IXANY)) { stl_sc26198txunflow(portp, tty); } @@ -4979,7 +4547,7 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) * Process an RX bad character. */ -static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, char ch) +static void stl_sc26198rxbadch(struct stlport *portp, unsigned char status, char ch) { struct tty_struct *tty; unsigned int ioaddr; @@ -4996,7 +4564,7 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch if (status & SR_RXBREAK) portp->stats.rxbreaks++; - if ((tty != (struct tty_struct *) NULL) && + if ((tty != NULL) && ((portp->rxignoremsk & status) == 0)) { if (portp->rxmarkmsk & status) { if (status & SR_RXBREAK) { @@ -5005,18 +4573,16 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch do_SAK(tty); BRDENABLE(portp->brdnr, portp->pagenr); } - } else if (status & SR_RXPARITY) { + } else if (status & SR_RXPARITY) status = TTY_PARITY; - } else if (status & SR_RXFRAMING) { + else if (status & SR_RXFRAMING) status = TTY_FRAME; - } else if(status & SR_RXOVERRUN) { + else if(status & SR_RXOVERRUN) status = TTY_OVERRUN; - } else { + else status = 0; - } - } else { + } else status = 0; - } tty_insert_flip_char(tty, ch, status); tty_schedule_flip(tty); @@ -5037,7 +4603,7 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch * the FIFO). */ -static void stl_sc26198rxbadchars(stlport_t *portp) +static void stl_sc26198rxbadchars(struct stlport *portp) { unsigned char status, mr1; char ch; @@ -5070,13 +4636,11 @@ static void stl_sc26198rxbadchars(stlport_t *portp) * processing time. */ -static void stl_sc26198otherisr(stlport_t *portp, unsigned int iack) +static void stl_sc26198otherisr(struct stlport *portp, unsigned int iack) { unsigned char cir, ipr, xisr; -#ifdef DEBUG - printk("stl_sc26198otherisr(portp=%x,iack=%x)\n", (int) portp, iack); -#endif + pr_debug("stl_sc26198otherisr(portp=%p,iack=%x)\n", portp, iack); cir = stl_sc26198getglobreg(portp, CIR); @@ -5109,4 +4673,172 @@ static void stl_sc26198otherisr(stlport_t *portp, unsigned int iack) } } -/*****************************************************************************/ +static void stl_free_isabrds(void) +{ + struct stlbrd *brdp; + unsigned int i; + + for (i = 0; i < stl_nrbrds; i++) { + if ((brdp = stl_brds[i]) == NULL || (brdp->state & STL_PROBED)) + continue; + + free_irq(brdp->irq, brdp); + + stl_cleanup_panels(brdp); + + release_region(brdp->ioaddr1, brdp->iosize1); + if (brdp->iosize2 > 0) + release_region(brdp->ioaddr2, brdp->iosize2); + + kfree(brdp); + stl_brds[i] = NULL; + } +} + +/* + * Loadable module initialization stuff. + */ +static int __init stallion_module_init(void) +{ + struct stlbrd *brdp; + struct stlconf conf; + unsigned int i, j; + int retval; + + printk(KERN_INFO "%s: version %s\n", stl_drvtitle, stl_drvversion); + + spin_lock_init(&stallion_lock); + spin_lock_init(&brd_lock); + +/* + * Find any dynamically supported boards. That is via module load + * line options. + */ + for (i = stl_nrbrds; i < stl_nargs; i++) { + memset(&conf, 0, sizeof(conf)); + if (stl_parsebrd(&conf, stl_brdsp[i]) == 0) + continue; + if ((brdp = stl_allocbrd()) == NULL) + continue; + brdp->brdnr = i; + brdp->brdtype = conf.brdtype; + brdp->ioaddr1 = conf.ioaddr1; + brdp->ioaddr2 = conf.ioaddr2; + brdp->irq = conf.irq; + brdp->irqtype = conf.irqtype; + if (stl_brdinit(brdp)) + kfree(brdp); + else { + for (j = 0; j < brdp->nrports; j++) + tty_register_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + j, NULL); + stl_brds[brdp->brdnr] = brdp; + stl_nrbrds = i + 1; + } + } + + /* this has to be _after_ isa finding because of locking */ + retval = pci_register_driver(&stl_pcidriver); + if (retval && stl_nrbrds == 0) + goto err; + + stl_serial = alloc_tty_driver(STL_MAXBRDS * STL_MAXPORTS); + if (!stl_serial) { + retval = -ENOMEM; + goto err_pcidr; + } + +/* + * Set up a character driver for per board stuff. This is mainly used + * to do stats ioctls on the ports. + */ + if (register_chrdev(STL_SIOMEMMAJOR, "staliomem", &stl_fsiomem)) + printk("STALLION: failed to register serial board device\n"); + + stallion_class = class_create(THIS_MODULE, "staliomem"); + if (IS_ERR(stallion_class)) { + retval = PTR_ERR(stallion_class); + goto err_reg; + } + for (i = 0; i < 4; i++) + class_device_create(stallion_class, NULL, + MKDEV(STL_SIOMEMMAJOR, i), NULL, + "staliomem%d", i); + + stl_serial->owner = THIS_MODULE; + stl_serial->driver_name = stl_drvname; + stl_serial->name = "ttyE"; + stl_serial->major = STL_SERIALMAJOR; + stl_serial->minor_start = 0; + stl_serial->type = TTY_DRIVER_TYPE_SERIAL; + stl_serial->subtype = SERIAL_TYPE_NORMAL; + stl_serial->init_termios = stl_deftermios; + stl_serial->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; + tty_set_operations(stl_serial, &stl_ops); + + retval = tty_register_driver(stl_serial); + if (retval) { + printk("STALLION: failed to register serial driver\n"); + goto err_clsdev; + } + + return 0; +err_clsdev: + for (i = 0; i < 4; i++) + class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i)); + class_destroy(stallion_class); +err_reg: + unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"); + put_tty_driver(stl_serial); +err_pcidr: + pci_unregister_driver(&stl_pcidriver); + stl_free_isabrds(); +err: + return retval; +} + +static void __exit stallion_module_exit(void) +{ + struct stlbrd *brdp; + unsigned int i, j; + int retval; + + pr_debug("cleanup_module()\n"); + + printk(KERN_INFO "Unloading %s: version %s\n", stl_drvtitle, + stl_drvversion); + +/* + * Free up all allocated resources used by the ports. This includes + * memory and interrupts. As part of this process we will also do + * a hangup on every open port - to try to flush out any processes + * hanging onto ports. + */ + for (i = 0; i < stl_nrbrds; i++) { + if ((brdp = stl_brds[i]) == NULL || (brdp->state & STL_PROBED)) + continue; + for (j = 0; j < brdp->nrports; j++) + tty_unregister_device(stl_serial, + brdp->brdnr * STL_MAXPORTS + j); + } + tty_unregister_driver(stl_serial); + put_tty_driver(stl_serial); + + for (i = 0; i < 4; i++) + class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i)); + if ((retval = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem"))) + printk("STALLION: failed to un-register serial memory device, " + "errno=%d\n", -retval); + class_destroy(stallion_class); + + pci_unregister_driver(&stl_pcidriver); + + stl_free_isabrds(); +} + +module_init(stallion_module_init); +module_exit(stallion_module_exit); + +MODULE_AUTHOR("Greg Ungerer"); +MODULE_DESCRIPTION("Stallion Multiport Serial Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/char/sx.c b/drivers/char/sx.c index cc10af08cb0..1da92a689ae 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -32,7 +32,6 @@ * USA. * * Revision history: - * $Log: sx.c,v $ * Revision 1.33 2000/03/09 10:00:00 pvdl,wolff * - Fixed module and port counting * - Fixed signal handling @@ -199,9 +198,7 @@ * * */ - -#define RCS_ID "$Id: sx.c,v 1.33 2000/03/08 10:01:02 wolff, pvdl Exp $" -#define RCS_REV "$Revision: 1.33 $" +#define SX_VERSION 1.33 #include <linux/module.h> #include <linux/kdev_t.h> @@ -217,6 +214,7 @@ #include <linux/fcntl.h> #include <linux/major.h> #include <linux/delay.h> +#include <linux/eisa.h> #include <linux/pci.h> #include <linux/slab.h> #include <linux/init.h> @@ -240,7 +238,6 @@ #include <linux/generic_serial.h> #include "sx.h" - /* I don't think that this driver can handle more than 256 ports on one machine. You'll have to increase the number of boards in sx.h if you want more than 4 boards. */ @@ -249,21 +246,12 @@ #define PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8 0x2000 #endif -#ifdef CONFIG_PCI -static struct pci_device_id sx_pci_tbl[] = { - { PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, PCI_ANY_ID, PCI_ANY_ID }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, sx_pci_tbl); -#endif /* CONFIG_PCI */ - /* Configurable options: (Don't be too sure that it'll work if you toggle them) */ /* Am I paranoid or not ? ;-) */ #undef SX_PARANOIA_CHECK - /* 20 -> 2000 per second. The card should rate-limit interrupts at 100 Hz, but it is user configurable. I don't recommend going above 1000 Hz. The interrupt ratelimit might trigger if the interrupt is @@ -277,7 +265,6 @@ MODULE_DEVICE_TABLE(pci, sx_pci_tbl); interrupt. Use polling. */ #undef IRQ_RATE_LIMIT - #if 0 /* Not implemented */ /* @@ -286,35 +273,33 @@ MODULE_DEVICE_TABLE(pci, sx_pci_tbl); */ #define SX_REPORT_FIFO #define SX_REPORT_OVERRUN -#endif - +#endif /* Function prototypes */ -static void sx_disable_tx_interrupts (void * ptr); -static void sx_enable_tx_interrupts (void * ptr); -static void sx_disable_rx_interrupts (void * ptr); -static void sx_enable_rx_interrupts (void * ptr); -static int sx_get_CD (void * ptr); -static void sx_shutdown_port (void * ptr); -static int sx_set_real_termios (void *ptr); -static void sx_close (void *ptr); -static int sx_chars_in_buffer (void * ptr); -static int sx_init_board (struct sx_board *board); -static int sx_init_portstructs (int nboards, int nports); -static int sx_fw_ioctl (struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +static void sx_disable_tx_interrupts(void *ptr); +static void sx_enable_tx_interrupts(void *ptr); +static void sx_disable_rx_interrupts(void *ptr); +static void sx_enable_rx_interrupts(void *ptr); +static int sx_get_CD(void *ptr); +static void sx_shutdown_port(void *ptr); +static int sx_set_real_termios(void *ptr); +static void sx_close(void *ptr); +static int sx_chars_in_buffer(void *ptr); +static int sx_init_board(struct sx_board *board); +static int sx_init_portstructs(int nboards, int nports); +static int sx_fw_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); static int sx_init_drivers(void); - static struct tty_driver *sx_driver; +static DEFINE_MUTEX(sx_boards_lock); static struct sx_board boards[SX_NBOARDS]; static struct sx_port *sx_ports; static int sx_initialized; static int sx_nports; static int sx_debug; - /* You can have the driver poll your card. - Set sx_poll to 1 to poll every timer tick (10ms on Intel). This is used when the card cannot use an interrupt for some reason. @@ -333,27 +318,36 @@ static int sx_slowpoll; static int sx_maxints = 100; +#ifdef CONFIG_ISA + /* These are the only open spaces in my computer. Yours may have more or less.... -- REW duh: Card at 0xa0000 is possible on HP Netserver?? -- pvdl */ -static int sx_probe_addrs[]= {0xc0000, 0xd0000, 0xe0000, - 0xc8000, 0xd8000, 0xe8000}; -static int si_probe_addrs[]= {0xc0000, 0xd0000, 0xe0000, - 0xc8000, 0xd8000, 0xe8000, 0xa0000}; -static int si1_probe_addrs[]= { 0xd0000}; +static int sx_probe_addrs[] = { + 0xc0000, 0xd0000, 0xe0000, + 0xc8000, 0xd8000, 0xe8000 +}; +static int si_probe_addrs[] = { + 0xc0000, 0xd0000, 0xe0000, + 0xc8000, 0xd8000, 0xe8000, 0xa0000 +}; +static int si1_probe_addrs[] = { + 0xd0000 +}; #define NR_SX_ADDRS ARRAY_SIZE(sx_probe_addrs) #define NR_SI_ADDRS ARRAY_SIZE(si_probe_addrs) #define NR_SI1_ADDRS ARRAY_SIZE(si1_probe_addrs) +module_param_array(sx_probe_addrs, int, NULL, 0); +module_param_array(si_probe_addrs, int, NULL, 0); +#endif /* Set the mask to all-ones. This alas, only supports 32 interrupts. Some architectures may need more. */ static int sx_irqmask = -1; -module_param_array(sx_probe_addrs, int, NULL, 0); -module_param_array(si_probe_addrs, int, NULL, 0); module_param(sx_poll, int, 0); module_param(sx_slowpoll, int, 0); module_param(sx_maxints, int, 0); @@ -368,13 +362,12 @@ static struct real_driver sx_real_driver = { sx_disable_rx_interrupts, sx_enable_rx_interrupts, sx_get_CD, - sx_shutdown_port, - sx_set_real_termios, + sx_shutdown_port, + sx_set_real_termios, sx_chars_in_buffer, sx_close, }; - /* This driver can spew a whole lot of debugging output at you. If you need maximum performance, you should disable the DEBUG define. To @@ -385,23 +378,17 @@ static struct real_driver sx_real_driver = { */ #define DEBUG - #ifdef DEBUG -#define sx_dprintk(f, str...) if (sx_debug & f) printk (str) +#define sx_dprintk(f, str...) if (sx_debug & f) printk (str) #else -#define sx_dprintk(f, str...) /* nothing */ +#define sx_dprintk(f, str...) /* nothing */ #endif +#define func_enter() sx_dprintk(SX_DEBUG_FLOW, "sx: enter %s\n",__FUNCTION__) +#define func_exit() sx_dprintk(SX_DEBUG_FLOW, "sx: exit %s\n",__FUNCTION__) - -#define func_enter() sx_dprintk (SX_DEBUG_FLOW, "sx: enter %s\n",__FUNCTION__) -#define func_exit() sx_dprintk (SX_DEBUG_FLOW, "sx: exit %s\n", __FUNCTION__) - -#define func_enter2() sx_dprintk (SX_DEBUG_FLOW, "sx: enter %s (port %d)\n", \ - __FUNCTION__, port->line) - - - +#define func_enter2() sx_dprintk(SX_DEBUG_FLOW, "sx: enter %s (port %d)\n", \ + __FUNCTION__, port->line) /* * Firmware loader driver specific routines @@ -409,31 +396,26 @@ static struct real_driver sx_real_driver = { */ static const struct file_operations sx_fw_fops = { - .owner = THIS_MODULE, - .ioctl = sx_fw_ioctl, + .owner = THIS_MODULE, + .ioctl = sx_fw_ioctl, }; static struct miscdevice sx_fw_device = { SXCTL_MISC_MINOR, "sxctl", &sx_fw_fops }; - - - - #ifdef SX_PARANOIA_CHECK /* This doesn't work. Who's paranoid around here? Not me! */ -static inline int sx_paranoia_check(struct sx_port const * port, +static inline int sx_paranoia_check(struct sx_port const *port, char *name, const char *routine) { + static const char *badmagic = KERN_ERR "sx: Warning: bad sx port magic " + "number for device %s in %s\n"; + static const char *badinfo = KERN_ERR "sx: Warning: null sx port for " + "device %s in %s\n"; - static const char *badmagic = - KERN_ERR "sx: Warning: bad sx port magic number for device %s in %s\n"; - static const char *badinfo = - KERN_ERR "sx: Warning: null sx port for device %s in %s\n"; - if (!port) { printk(badinfo, name, routine); return 1; @@ -456,23 +438,24 @@ static inline int sx_paranoia_check(struct sx_port const * port, #define TIMEOUT_1 30 #define TIMEOUT_2 1000000 - #ifdef DEBUG static void my_hd_io(void __iomem *p, int len) { int i, j, ch; unsigned char __iomem *addr = p; - for (i=0;i<len;i+=16) { - printk ("%p ", addr+i); - for (j=0;j<16;j++) { - printk ("%02x %s", readb(addr+j+i), (j==7)?" ":""); + for (i = 0; i < len; i += 16) { + printk("%p ", addr + i); + for (j = 0; j < 16; j++) { + printk("%02x %s", readb(addr + j + i), + (j == 7) ? " " : ""); } - for (j=0;j<16;j++) { - ch = readb(addr+j+i); - printk ("%c", (ch < 0x20)?'.':((ch > 0x7f)?'.':ch)); + for (j = 0; j < 16; j++) { + ch = readb(addr + j + i); + printk("%c", (ch < 0x20) ? '.' : + ((ch > 0x7f) ? '.' : ch)); } - printk ("\n"); + printk("\n"); } } static void my_hd(void *p, int len) @@ -480,419 +463,468 @@ static void my_hd(void *p, int len) int i, j, ch; unsigned char *addr = p; - for (i=0;i<len;i+=16) { - printk ("%p ", addr+i); - for (j=0;j<16;j++) { - printk ("%02x %s", addr[j+i], (j==7)?" ":""); + for (i = 0; i < len; i += 16) { + printk("%p ", addr + i); + for (j = 0; j < 16; j++) { + printk("%02x %s", addr[j + i], (j == 7) ? " " : ""); } - for (j=0;j<16;j++) { - ch = addr[j+i]; - printk ("%c", (ch < 0x20)?'.':((ch > 0x7f)?'.':ch)); + for (j = 0; j < 16; j++) { + ch = addr[j + i]; + printk("%c", (ch < 0x20) ? '.' : + ((ch > 0x7f) ? '.' : ch)); } - printk ("\n"); + printk("\n"); } } #endif - - /* This needs redoing for Alpha -- REW -- Done. */ -static inline void write_sx_byte (struct sx_board *board, int offset, u8 byte) +static inline void write_sx_byte(struct sx_board *board, int offset, u8 byte) { - writeb (byte, board->base+offset); + writeb(byte, board->base + offset); } -static inline u8 read_sx_byte (struct sx_board *board, int offset) +static inline u8 read_sx_byte(struct sx_board *board, int offset) { - return readb (board->base+offset); + return readb(board->base + offset); } - -static inline void write_sx_word (struct sx_board *board, int offset, u16 word) +static inline void write_sx_word(struct sx_board *board, int offset, u16 word) { - writew (word, board->base+offset); + writew(word, board->base + offset); } -static inline u16 read_sx_word (struct sx_board *board, int offset) +static inline u16 read_sx_word(struct sx_board *board, int offset) { - return readw (board->base + offset); + return readw(board->base + offset); } - -static int sx_busy_wait_eq (struct sx_board *board, - int offset, int mask, int correctval) +static int sx_busy_wait_eq(struct sx_board *board, + int offset, int mask, int correctval) { int i; - func_enter (); + func_enter(); - for (i=0; i < TIMEOUT_1 ;i++) - if ((read_sx_byte (board, offset) & mask) == correctval) { - func_exit (); + for (i = 0; i < TIMEOUT_1; i++) + if ((read_sx_byte(board, offset) & mask) == correctval) { + func_exit(); return 1; } - for (i=0; i < TIMEOUT_2 ;i++) { - if ((read_sx_byte (board, offset) & mask) == correctval) { - func_exit (); + for (i = 0; i < TIMEOUT_2; i++) { + if ((read_sx_byte(board, offset) & mask) == correctval) { + func_exit(); return 1; } - udelay (1); + udelay(1); } - func_exit (); + func_exit(); return 0; } - -static int sx_busy_wait_neq (struct sx_board *board, - int offset, int mask, int badval) +static int sx_busy_wait_neq(struct sx_board *board, + int offset, int mask, int badval) { int i; - func_enter (); + func_enter(); - for (i=0; i < TIMEOUT_1 ;i++) - if ((read_sx_byte (board, offset) & mask) != badval) { - func_exit (); + for (i = 0; i < TIMEOUT_1; i++) + if ((read_sx_byte(board, offset) & mask) != badval) { + func_exit(); return 1; } - for (i=0; i < TIMEOUT_2 ;i++) { - if ((read_sx_byte (board, offset) & mask) != badval) { - func_exit (); + for (i = 0; i < TIMEOUT_2; i++) { + if ((read_sx_byte(board, offset) & mask) != badval) { + func_exit(); return 1; } - udelay (1); + udelay(1); } - func_exit (); + func_exit(); return 0; } - - /* 5.6.4 of 6210028 r2.3 */ -static int sx_reset (struct sx_board *board) +static int sx_reset(struct sx_board *board) { - func_enter (); + func_enter(); - if (IS_SX_BOARD (board)) { + if (IS_SX_BOARD(board)) { - write_sx_byte (board, SX_CONFIG, 0); - write_sx_byte (board, SX_RESET, 1); /* Value doesn't matter */ + write_sx_byte(board, SX_CONFIG, 0); + write_sx_byte(board, SX_RESET, 1); /* Value doesn't matter */ - if (!sx_busy_wait_eq (board, SX_RESET_STATUS, 1, 0)) { - printk (KERN_INFO "sx: Card doesn't respond to reset....\n"); + if (!sx_busy_wait_eq(board, SX_RESET_STATUS, 1, 0)) { + printk(KERN_INFO "sx: Card doesn't respond to " + "reset...\n"); return 0; } } else if (IS_EISA_BOARD(board)) { - outb(board->irq<<4, board->eisa_base+0xc02); + outb(board->irq << 4, board->eisa_base + 0xc02); } else if (IS_SI1_BOARD(board)) { - write_sx_byte (board, SI1_ISA_RESET, 0); // value does not matter + write_sx_byte(board, SI1_ISA_RESET, 0); /*value doesn't matter*/ } else { /* Gory details of the SI/ISA board */ - write_sx_byte (board, SI2_ISA_RESET, SI2_ISA_RESET_SET); - write_sx_byte (board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_CLEAR); - write_sx_byte (board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_CLEAR); - write_sx_byte (board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_CLEAR); - write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_CLEAR); - write_sx_byte (board, SI2_ISA_IRQSET, SI2_ISA_IRQSET_CLEAR); + write_sx_byte(board, SI2_ISA_RESET, SI2_ISA_RESET_SET); + write_sx_byte(board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_CLEAR); + write_sx_byte(board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_CLEAR); + write_sx_byte(board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_CLEAR); + write_sx_byte(board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_CLEAR); + write_sx_byte(board, SI2_ISA_IRQSET, SI2_ISA_IRQSET_CLEAR); } - func_exit (); + func_exit(); return 1; } - /* This doesn't work on machines where "NULL" isn't 0 */ /* If you have one of those, someone will need to write the equivalent of this, which will amount to about 3 lines. I don't want to complicate this right now. -- REW (See, I do write comments every now and then :-) */ -#define OFFSETOF(strct, elem) ((long)&(((struct strct *)NULL)->elem)) - - -#define CHAN_OFFSET(port,elem) (port->ch_base + OFFSETOF (_SXCHANNEL, elem)) -#define MODU_OFFSET(board,addr,elem) (addr + OFFSETOF (_SXMODULE, elem)) -#define BRD_OFFSET(board,elem) (OFFSETOF (_SXCARD, elem)) +#define OFFSETOF(strct, elem) ((long)&(((struct strct *)NULL)->elem)) +#define CHAN_OFFSET(port,elem) (port->ch_base + OFFSETOF (_SXCHANNEL, elem)) +#define MODU_OFFSET(board,addr,elem) (addr + OFFSETOF (_SXMODULE, elem)) +#define BRD_OFFSET(board,elem) (OFFSETOF (_SXCARD, elem)) #define sx_write_channel_byte(port, elem, val) \ - write_sx_byte (port->board, CHAN_OFFSET (port, elem), val) + write_sx_byte (port->board, CHAN_OFFSET (port, elem), val) #define sx_read_channel_byte(port, elem) \ - read_sx_byte (port->board, CHAN_OFFSET (port, elem)) + read_sx_byte (port->board, CHAN_OFFSET (port, elem)) #define sx_write_channel_word(port, elem, val) \ - write_sx_word (port->board, CHAN_OFFSET (port, elem), val) + write_sx_word (port->board, CHAN_OFFSET (port, elem), val) #define sx_read_channel_word(port, elem) \ - read_sx_word (port->board, CHAN_OFFSET (port, elem)) - + read_sx_word (port->board, CHAN_OFFSET (port, elem)) #define sx_write_module_byte(board, addr, elem, val) \ - write_sx_byte (board, MODU_OFFSET (board, addr, elem), val) + write_sx_byte (board, MODU_OFFSET (board, addr, elem), val) #define sx_read_module_byte(board, addr, elem) \ - read_sx_byte (board, MODU_OFFSET (board, addr, elem)) + read_sx_byte (board, MODU_OFFSET (board, addr, elem)) #define sx_write_module_word(board, addr, elem, val) \ - write_sx_word (board, MODU_OFFSET (board, addr, elem), val) + write_sx_word (board, MODU_OFFSET (board, addr, elem), val) #define sx_read_module_word(board, addr, elem) \ - read_sx_word (board, MODU_OFFSET (board, addr, elem)) - + read_sx_word (board, MODU_OFFSET (board, addr, elem)) #define sx_write_board_byte(board, elem, val) \ - write_sx_byte (board, BRD_OFFSET (board, elem), val) + write_sx_byte (board, BRD_OFFSET (board, elem), val) #define sx_read_board_byte(board, elem) \ - read_sx_byte (board, BRD_OFFSET (board, elem)) + read_sx_byte (board, BRD_OFFSET (board, elem)) #define sx_write_board_word(board, elem, val) \ - write_sx_word (board, BRD_OFFSET (board, elem), val) + write_sx_word (board, BRD_OFFSET (board, elem), val) #define sx_read_board_word(board, elem) \ - read_sx_word (board, BRD_OFFSET (board, elem)) + read_sx_word (board, BRD_OFFSET (board, elem)) - -static int sx_start_board (struct sx_board *board) +static int sx_start_board(struct sx_board *board) { - if (IS_SX_BOARD (board)) { - write_sx_byte (board, SX_CONFIG, SX_CONF_BUSEN); + if (IS_SX_BOARD(board)) { + write_sx_byte(board, SX_CONFIG, SX_CONF_BUSEN); } else if (IS_EISA_BOARD(board)) { write_sx_byte(board, SI2_EISA_OFF, SI2_EISA_VAL); - outb((board->irq<<4)|4, board->eisa_base+0xc02); + outb((board->irq << 4) | 4, board->eisa_base + 0xc02); } else if (IS_SI1_BOARD(board)) { - write_sx_byte (board, SI1_ISA_RESET_CLEAR, 0); - write_sx_byte (board, SI1_ISA_INTCL, 0); + write_sx_byte(board, SI1_ISA_RESET_CLEAR, 0); + write_sx_byte(board, SI1_ISA_INTCL, 0); } else { /* Don't bug me about the clear_set. I haven't the foggiest idea what it's about -- REW */ - write_sx_byte (board, SI2_ISA_RESET, SI2_ISA_RESET_CLEAR); - write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); + write_sx_byte(board, SI2_ISA_RESET, SI2_ISA_RESET_CLEAR); + write_sx_byte(board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); } return 1; } #define SX_IRQ_REG_VAL(board) \ - ((board->flags & SX_ISA_BOARD)?(board->irq << 4):0) + ((board->flags & SX_ISA_BOARD) ? (board->irq << 4) : 0) /* Note. The SX register is write-only. Therefore, we have to enable the bus too. This is a no-op, if you don't mess with this driver... */ -static int sx_start_interrupts (struct sx_board *board) +static int sx_start_interrupts(struct sx_board *board) { /* Don't call this with board->irq == 0 */ if (IS_SX_BOARD(board)) { - write_sx_byte (board, SX_CONFIG, SX_IRQ_REG_VAL (board) | - SX_CONF_BUSEN | - SX_CONF_HOSTIRQ); + write_sx_byte(board, SX_CONFIG, SX_IRQ_REG_VAL(board) | + SX_CONF_BUSEN | SX_CONF_HOSTIRQ); } else if (IS_EISA_BOARD(board)) { - inb(board->eisa_base+0xc03); + inb(board->eisa_base + 0xc03); } else if (IS_SI1_BOARD(board)) { - write_sx_byte (board, SI1_ISA_INTCL,0); - write_sx_byte (board, SI1_ISA_INTCL_CLEAR,0); + write_sx_byte(board, SI1_ISA_INTCL, 0); + write_sx_byte(board, SI1_ISA_INTCL_CLEAR, 0); } else { switch (board->irq) { - case 11:write_sx_byte (board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_SET);break; - case 12:write_sx_byte (board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_SET);break; - case 15:write_sx_byte (board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_SET);break; - default:printk (KERN_INFO "sx: SI/XIO card doesn't support interrupt %d.\n", - board->irq); - return 0; + case 11: + write_sx_byte(board, SI2_ISA_IRQ11, SI2_ISA_IRQ11_SET); + break; + case 12: + write_sx_byte(board, SI2_ISA_IRQ12, SI2_ISA_IRQ12_SET); + break; + case 15: + write_sx_byte(board, SI2_ISA_IRQ15, SI2_ISA_IRQ15_SET); + break; + default: + printk(KERN_INFO "sx: SI/XIO card doesn't support " + "interrupt %d.\n", board->irq); + return 0; } - write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); + write_sx_byte(board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); } return 1; } - -static int sx_send_command (struct sx_port *port, - int command, int mask, int newstat) +static int sx_send_command(struct sx_port *port, + int command, int mask, int newstat) { - func_enter2 (); - write_sx_byte (port->board, CHAN_OFFSET (port, hi_hstat), command); - func_exit (); - return sx_busy_wait_eq (port->board, CHAN_OFFSET (port, hi_hstat), mask, newstat); + func_enter2(); + write_sx_byte(port->board, CHAN_OFFSET(port, hi_hstat), command); + func_exit(); + return sx_busy_wait_eq(port->board, CHAN_OFFSET(port, hi_hstat), mask, + newstat); } - -static char *mod_type_s (int module_type) +static char *mod_type_s(int module_type) { switch (module_type) { - case TA4: return "TA4"; - case TA8: return "TA8"; - case TA4_ASIC: return "TA4_ASIC"; - case TA8_ASIC: return "TA8_ASIC"; - case MTA_CD1400:return "MTA_CD1400"; - case SXDC: return "SXDC"; - default:return "Unknown/invalid"; + case TA4: + return "TA4"; + case TA8: + return "TA8"; + case TA4_ASIC: + return "TA4_ASIC"; + case TA8_ASIC: + return "TA8_ASIC"; + case MTA_CD1400: + return "MTA_CD1400"; + case SXDC: + return "SXDC"; + default: + return "Unknown/invalid"; } } - -static char *pan_type_s (int pan_type) +static char *pan_type_s(int pan_type) { switch (pan_type) { - case MOD_RS232DB25: return "MOD_RS232DB25"; - case MOD_RS232RJ45: return "MOD_RS232RJ45"; - case MOD_RS422DB25: return "MOD_RS422DB25"; - case MOD_PARALLEL: return "MOD_PARALLEL"; - case MOD_2_RS232DB25: return "MOD_2_RS232DB25"; - case MOD_2_RS232RJ45: return "MOD_2_RS232RJ45"; - case MOD_2_RS422DB25: return "MOD_2_RS422DB25"; - case MOD_RS232DB25MALE: return "MOD_RS232DB25MALE"; - case MOD_2_PARALLEL: return "MOD_2_PARALLEL"; - case MOD_BLANK: return "empty"; - default:return "invalid"; + case MOD_RS232DB25: + return "MOD_RS232DB25"; + case MOD_RS232RJ45: + return "MOD_RS232RJ45"; + case MOD_RS422DB25: + return "MOD_RS422DB25"; + case MOD_PARALLEL: + return "MOD_PARALLEL"; + case MOD_2_RS232DB25: + return "MOD_2_RS232DB25"; + case MOD_2_RS232RJ45: + return "MOD_2_RS232RJ45"; + case MOD_2_RS422DB25: + return "MOD_2_RS422DB25"; + case MOD_RS232DB25MALE: + return "MOD_RS232DB25MALE"; + case MOD_2_PARALLEL: + return "MOD_2_PARALLEL"; + case MOD_BLANK: + return "empty"; + default: + return "invalid"; } } - -static int mod_compat_type (int module_type) +static int mod_compat_type(int module_type) { return module_type >> 4; } static void sx_reconfigure_port(struct sx_port *port) { - if (sx_read_channel_byte (port, hi_hstat) == HS_IDLE_OPEN) { - if (sx_send_command (port, HS_CONFIG, -1, HS_IDLE_OPEN) != 1) { - printk (KERN_WARNING "sx: Sent reconfigure command, but card didn't react.\n"); + if (sx_read_channel_byte(port, hi_hstat) == HS_IDLE_OPEN) { + if (sx_send_command(port, HS_CONFIG, -1, HS_IDLE_OPEN) != 1) { + printk(KERN_WARNING "sx: Sent reconfigure command, but " + "card didn't react.\n"); } } else { - sx_dprintk (SX_DEBUG_TERMIOS, - "sx: Not sending reconfigure: port isn't open (%02x).\n", - sx_read_channel_byte (port, hi_hstat)); - } + sx_dprintk(SX_DEBUG_TERMIOS, "sx: Not sending reconfigure: " + "port isn't open (%02x).\n", + sx_read_channel_byte(port, hi_hstat)); + } } -static void sx_setsignals (struct sx_port *port, int dtr, int rts) +static void sx_setsignals(struct sx_port *port, int dtr, int rts) { int t; - func_enter2 (); + func_enter2(); - t = sx_read_channel_byte (port, hi_op); - if (dtr >= 0) t = dtr? (t | OP_DTR): (t & ~OP_DTR); - if (rts >= 0) t = rts? (t | OP_RTS): (t & ~OP_RTS); - sx_write_channel_byte (port, hi_op, t); - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "setsignals: %d/%d\n", dtr, rts); + t = sx_read_channel_byte(port, hi_op); + if (dtr >= 0) + t = dtr ? (t | OP_DTR) : (t & ~OP_DTR); + if (rts >= 0) + t = rts ? (t | OP_RTS) : (t & ~OP_RTS); + sx_write_channel_byte(port, hi_op, t); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "setsignals: %d/%d\n", dtr, rts); - func_exit (); + func_exit(); } - - -static int sx_getsignals (struct sx_port *port) +static int sx_getsignals(struct sx_port *port) { - int i_stat,o_stat; - - o_stat = sx_read_channel_byte (port, hi_op); - i_stat = sx_read_channel_byte (port, hi_ip); - - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "getsignals: %d/%d (%d/%d) %02x/%02x\n", - (o_stat & OP_DTR) != 0, (o_stat & OP_RTS) != 0, - port->c_dcd, sx_get_CD (port), - sx_read_channel_byte (port, hi_ip), - sx_read_channel_byte (port, hi_state)); - - return (((o_stat & OP_DTR)?TIOCM_DTR:0) | - ((o_stat & OP_RTS)?TIOCM_RTS:0) | - ((i_stat & IP_CTS)?TIOCM_CTS:0) | - ((i_stat & IP_DCD)?TIOCM_CAR:0) | - ((i_stat & IP_DSR)?TIOCM_DSR:0) | - ((i_stat & IP_RI)?TIOCM_RNG:0) - ); + int i_stat, o_stat; + + o_stat = sx_read_channel_byte(port, hi_op); + i_stat = sx_read_channel_byte(port, hi_ip); + + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "getsignals: %d/%d (%d/%d) " + "%02x/%02x\n", + (o_stat & OP_DTR) != 0, (o_stat & OP_RTS) != 0, + port->c_dcd, sx_get_CD(port), + sx_read_channel_byte(port, hi_ip), + sx_read_channel_byte(port, hi_state)); + + return (((o_stat & OP_DTR) ? TIOCM_DTR : 0) | + ((o_stat & OP_RTS) ? TIOCM_RTS : 0) | + ((i_stat & IP_CTS) ? TIOCM_CTS : 0) | + ((i_stat & IP_DCD) ? TIOCM_CAR : 0) | + ((i_stat & IP_DSR) ? TIOCM_DSR : 0) | + ((i_stat & IP_RI) ? TIOCM_RNG : 0)); } - -static void sx_set_baud (struct sx_port *port) +static void sx_set_baud(struct sx_port *port) { int t; if (port->board->ta_type == MOD_SXDC) { switch (port->gs.baud) { - /* Save some typing work... */ -#define e(x) case x:t= BAUD_ ## x ; break - e(50);e(75);e(110);e(150);e(200);e(300);e(600); - e(1200);e(1800);e(2000);e(2400);e(4800);e(7200); - e(9600);e(14400);e(19200);e(28800);e(38400); - e(56000);e(57600);e(64000);e(76800);e(115200); - e(128000);e(150000);e(230400);e(256000);e(460800); - e(921600); - case 134 :t = BAUD_134_5; break; - case 0 :t = -1; - break; + /* Save some typing work... */ +#define e(x) case x: t = BAUD_ ## x; break + e(50); + e(75); + e(110); + e(150); + e(200); + e(300); + e(600); + e(1200); + e(1800); + e(2000); + e(2400); + e(4800); + e(7200); + e(9600); + e(14400); + e(19200); + e(28800); + e(38400); + e(56000); + e(57600); + e(64000); + e(76800); + e(115200); + e(128000); + e(150000); + e(230400); + e(256000); + e(460800); + e(921600); + case 134: + t = BAUD_134_5; + break; + case 0: + t = -1; + break; default: /* Can I return "invalid"? */ t = BAUD_9600; - printk (KERN_INFO "sx: unsupported baud rate: %d.\n", port->gs.baud); + printk(KERN_INFO "sx: unsupported baud rate: %d.\n", + port->gs.baud); break; } #undef e if (t > 0) { - /* The baud rate is not set to 0, so we're enabeling DTR... -- REW */ - sx_setsignals (port, 1, -1); +/* The baud rate is not set to 0, so we're enabeling DTR... -- REW */ + sx_setsignals(port, 1, -1); /* XXX This is not TA & MTA compatible */ - sx_write_channel_byte (port, hi_csr, 0xff); + sx_write_channel_byte(port, hi_csr, 0xff); - sx_write_channel_byte (port, hi_txbaud, t); - sx_write_channel_byte (port, hi_rxbaud, t); + sx_write_channel_byte(port, hi_txbaud, t); + sx_write_channel_byte(port, hi_rxbaud, t); } else { - sx_setsignals (port, 0, -1); + sx_setsignals(port, 0, -1); } } else { switch (port->gs.baud) { -#define e(x) case x:t= CSR_ ## x ; break - e(75);e(150);e(300);e(600);e(1200);e(2400);e(4800); - e(1800);e(9600); - e(19200);e(57600);e(38400); - /* TA supports 110, but not 115200, MTA supports 115200, but not 110 */ - case 110: +#define e(x) case x: t = CSR_ ## x; break + e(75); + e(150); + e(300); + e(600); + e(1200); + e(2400); + e(4800); + e(1800); + e(9600); + e(19200); + e(57600); + e(38400); +/* TA supports 110, but not 115200, MTA supports 115200, but not 110 */ + case 110: if (port->board->ta_type == MOD_TA) { t = CSR_110; break; } else { t = CSR_9600; - printk (KERN_INFO "sx: Unsupported baud rate: %d.\n", port->gs.baud); + printk(KERN_INFO "sx: Unsupported baud rate: " + "%d.\n", port->gs.baud); break; } - case 115200: + case 115200: if (port->board->ta_type == MOD_TA) { t = CSR_9600; - printk (KERN_INFO "sx: Unsupported baud rate: %d.\n", port->gs.baud); + printk(KERN_INFO "sx: Unsupported baud rate: " + "%d.\n", port->gs.baud); break; } else { t = CSR_110; break; } - case 0 :t = -1; - break; + case 0: + t = -1; + break; default: t = CSR_9600; - printk (KERN_INFO "sx: Unsupported baud rate: %d.\n", port->gs.baud); + printk(KERN_INFO "sx: Unsupported baud rate: %d.\n", + port->gs.baud); break; } #undef e if (t >= 0) { - sx_setsignals (port, 1, -1); - sx_write_channel_byte (port, hi_csr, t * 0x11); + sx_setsignals(port, 1, -1); + sx_write_channel_byte(port, hi_csr, t * 0x11); } else { - sx_setsignals (port, 0, -1); + sx_setsignals(port, 0, -1); } } } - /* Simon Allen's version of this routine was 225 lines long. 85 is a lot better. -- REW */ -static int sx_set_real_termios (void *ptr) +static int sx_set_real_termios(void *ptr) { struct sx_port *port = ptr; @@ -907,80 +939,83 @@ static int sx_set_real_termios (void *ptr) belongs (next to the drop dtr if baud == 0) -- REW */ /* sx_setsignals (port, 1, -1); */ - sx_set_baud (port); + sx_set_baud(port); #define CFLAG port->gs.tty->termios->c_cflag - sx_write_channel_byte (port, hi_mr1, - (C_PARENB (port->gs.tty)? MR1_WITH:MR1_NONE) | - (C_PARODD (port->gs.tty)? MR1_ODD:MR1_EVEN) | - (C_CRTSCTS(port->gs.tty)? MR1_RTS_RXFLOW:0) | - (((CFLAG & CSIZE)==CS8) ? MR1_8_BITS:0) | - (((CFLAG & CSIZE)==CS7) ? MR1_7_BITS:0) | - (((CFLAG & CSIZE)==CS6) ? MR1_6_BITS:0) | - (((CFLAG & CSIZE)==CS5) ? MR1_5_BITS:0) ); - - sx_write_channel_byte (port, hi_mr2, - (C_CRTSCTS(port->gs.tty)?MR2_CTS_TXFLOW:0) | - (C_CSTOPB (port->gs.tty)?MR2_2_STOP:MR2_1_STOP)); + sx_write_channel_byte(port, hi_mr1, + (C_PARENB(port->gs.tty) ? MR1_WITH : MR1_NONE) | + (C_PARODD(port->gs.tty) ? MR1_ODD : MR1_EVEN) | + (C_CRTSCTS(port->gs.tty) ? MR1_RTS_RXFLOW : 0) | + (((CFLAG & CSIZE) == CS8) ? MR1_8_BITS : 0) | + (((CFLAG & CSIZE) == CS7) ? MR1_7_BITS : 0) | + (((CFLAG & CSIZE) == CS6) ? MR1_6_BITS : 0) | + (((CFLAG & CSIZE) == CS5) ? MR1_5_BITS : 0)); + + sx_write_channel_byte(port, hi_mr2, + (C_CRTSCTS(port->gs.tty) ? MR2_CTS_TXFLOW : 0) | + (C_CSTOPB(port->gs.tty) ? MR2_2_STOP : + MR2_1_STOP)); switch (CFLAG & CSIZE) { - case CS8:sx_write_channel_byte (port, hi_mask, 0xff);break; - case CS7:sx_write_channel_byte (port, hi_mask, 0x7f);break; - case CS6:sx_write_channel_byte (port, hi_mask, 0x3f);break; - case CS5:sx_write_channel_byte (port, hi_mask, 0x1f);break; + case CS8: + sx_write_channel_byte(port, hi_mask, 0xff); + break; + case CS7: + sx_write_channel_byte(port, hi_mask, 0x7f); + break; + case CS6: + sx_write_channel_byte(port, hi_mask, 0x3f); + break; + case CS5: + sx_write_channel_byte(port, hi_mask, 0x1f); + break; default: - printk (KERN_INFO "sx: Invalid wordsize: %u\n", CFLAG & CSIZE); + printk(KERN_INFO "sx: Invalid wordsize: %u\n", CFLAG & CSIZE); break; } - sx_write_channel_byte (port, hi_prtcl, - (I_IXON (port->gs.tty)?SP_TXEN:0) | - (I_IXOFF (port->gs.tty)?SP_RXEN:0) | - (I_IXANY (port->gs.tty)?SP_TANY:0) | - SP_DCEN); + sx_write_channel_byte(port, hi_prtcl, + (I_IXON(port->gs.tty) ? SP_TXEN : 0) | + (I_IXOFF(port->gs.tty) ? SP_RXEN : 0) | + (I_IXANY(port->gs.tty) ? SP_TANY : 0) | SP_DCEN); - sx_write_channel_byte (port, hi_break, - (I_IGNBRK(port->gs.tty)?BR_IGN:0 | - I_BRKINT(port->gs.tty)?BR_INT:0)); + sx_write_channel_byte(port, hi_break, + (I_IGNBRK(port->gs.tty) ? BR_IGN : 0 | + I_BRKINT(port->gs.tty) ? BR_INT : 0)); - sx_write_channel_byte (port, hi_txon, START_CHAR (port->gs.tty)); - sx_write_channel_byte (port, hi_rxon, START_CHAR (port->gs.tty)); - sx_write_channel_byte (port, hi_txoff, STOP_CHAR (port->gs.tty)); - sx_write_channel_byte (port, hi_rxoff, STOP_CHAR (port->gs.tty)); + sx_write_channel_byte(port, hi_txon, START_CHAR(port->gs.tty)); + sx_write_channel_byte(port, hi_rxon, START_CHAR(port->gs.tty)); + sx_write_channel_byte(port, hi_txoff, STOP_CHAR(port->gs.tty)); + sx_write_channel_byte(port, hi_rxoff, STOP_CHAR(port->gs.tty)); sx_reconfigure_port(port); /* Tell line discipline whether we will do input cooking */ - if(I_OTHER(port->gs.tty)) { + if (I_OTHER(port->gs.tty)) { clear_bit(TTY_HW_COOK_IN, &port->gs.tty->flags); } else { set_bit(TTY_HW_COOK_IN, &port->gs.tty->flags); } - sx_dprintk (SX_DEBUG_TERMIOS, "iflags: %x(%d) ", - port->gs.tty->termios->c_iflag, - I_OTHER(port->gs.tty)); - + sx_dprintk(SX_DEBUG_TERMIOS, "iflags: %x(%d) ", + port->gs.tty->termios->c_iflag, I_OTHER(port->gs.tty)); /* Tell line discipline whether we will do output cooking. * If OPOST is set and no other output flags are set then we can do output * processing. Even if only *one* other flag in the O_OTHER group is set * we do cooking in software. */ - if(O_OPOST(port->gs.tty) && !O_OTHER(port->gs.tty)) { + if (O_OPOST(port->gs.tty) && !O_OTHER(port->gs.tty)) { set_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags); } else { clear_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags); } - sx_dprintk (SX_DEBUG_TERMIOS, "oflags: %x(%d)\n", - port->gs.tty->termios->c_oflag, - O_OTHER(port->gs.tty)); + sx_dprintk(SX_DEBUG_TERMIOS, "oflags: %x(%d)\n", + port->gs.tty->termios->c_oflag, O_OTHER(port->gs.tty)); /* port->c_dcd = sx_get_CD (port); */ - func_exit (); + func_exit(); return 0; } - - /* ********************************************************************** * * the interrupt related routines * * ********************************************************************** */ @@ -996,245 +1031,260 @@ static int sx_set_real_termios (void *ptr) know I'm dead against that, but I think it is required in this case. */ - -static void sx_transmit_chars (struct sx_port *port) +static void sx_transmit_chars(struct sx_port *port) { int c; int tx_ip; int txroom; - func_enter2 (); - sx_dprintk (SX_DEBUG_TRANSMIT, "Port %p: transmit %d chars\n", - port, port->gs.xmit_cnt); + func_enter2(); + sx_dprintk(SX_DEBUG_TRANSMIT, "Port %p: transmit %d chars\n", + port, port->gs.xmit_cnt); - if (test_and_set_bit (SX_PORT_TRANSMIT_LOCK, &port->locks)) { + if (test_and_set_bit(SX_PORT_TRANSMIT_LOCK, &port->locks)) { return; } while (1) { c = port->gs.xmit_cnt; - sx_dprintk (SX_DEBUG_TRANSMIT, "Copying %d ", c); - tx_ip = sx_read_channel_byte (port, hi_txipos); + sx_dprintk(SX_DEBUG_TRANSMIT, "Copying %d ", c); + tx_ip = sx_read_channel_byte(port, hi_txipos); /* Took me 5 minutes to deduce this formula. Luckily it is literally in the manual in section 6.5.4.3.5 */ - txroom = (sx_read_channel_byte (port, hi_txopos) - tx_ip - 1) & 0xff; + txroom = (sx_read_channel_byte(port, hi_txopos) - tx_ip - 1) & + 0xff; /* Don't copy more bytes than there is room for in the buffer */ if (c > txroom) c = txroom; - sx_dprintk (SX_DEBUG_TRANSMIT, " %d(%d) ", c, txroom ); + sx_dprintk(SX_DEBUG_TRANSMIT, " %d(%d) ", c, txroom); /* Don't copy past the end of the hardware transmit buffer */ - if (c > 0x100 - tx_ip) + if (c > 0x100 - tx_ip) c = 0x100 - tx_ip; - sx_dprintk (SX_DEBUG_TRANSMIT, " %d(%d) ", c, 0x100-tx_ip ); + sx_dprintk(SX_DEBUG_TRANSMIT, " %d(%d) ", c, 0x100 - tx_ip); /* Don't copy pas the end of the source buffer */ - if (c > SERIAL_XMIT_SIZE - port->gs.xmit_tail) + if (c > SERIAL_XMIT_SIZE - port->gs.xmit_tail) c = SERIAL_XMIT_SIZE - port->gs.xmit_tail; - sx_dprintk (SX_DEBUG_TRANSMIT, " %d(%ld) \n", - c, SERIAL_XMIT_SIZE- port->gs.xmit_tail); - - /* If for one reason or another, we can't copy more data, we're done! */ - if (c == 0) break; + sx_dprintk(SX_DEBUG_TRANSMIT, " %d(%ld) \n", + c, SERIAL_XMIT_SIZE - port->gs.xmit_tail); + /* If for one reason or another, we can't copy more data, we're + done! */ + if (c == 0) + break; - memcpy_toio (port->board->base + CHAN_OFFSET(port,hi_txbuf) + tx_ip, - port->gs.xmit_buf + port->gs.xmit_tail, c); + memcpy_toio(port->board->base + CHAN_OFFSET(port, hi_txbuf) + + tx_ip, port->gs.xmit_buf + port->gs.xmit_tail, c); /* Update the pointer in the card */ - sx_write_channel_byte (port, hi_txipos, (tx_ip+c) & 0xff); + sx_write_channel_byte(port, hi_txipos, (tx_ip + c) & 0xff); /* Update the kernel buffer end */ - port->gs.xmit_tail = (port->gs.xmit_tail + c) & (SERIAL_XMIT_SIZE-1); + port->gs.xmit_tail = (port->gs.xmit_tail + c) & + (SERIAL_XMIT_SIZE - 1); /* This one last. (this is essential) - It would allow others to start putting more data into the buffer! */ + It would allow others to start putting more data into the + buffer! */ port->gs.xmit_cnt -= c; } if (port->gs.xmit_cnt == 0) { - sx_disable_tx_interrupts (port); + sx_disable_tx_interrupts(port); } if ((port->gs.xmit_cnt <= port->gs.wakeup_chars) && port->gs.tty) { tty_wakeup(port->gs.tty); - sx_dprintk (SX_DEBUG_TRANSMIT, "Waking up.... ldisc (%d)....\n", - port->gs.wakeup_chars); + sx_dprintk(SX_DEBUG_TRANSMIT, "Waking up.... ldisc (%d)....\n", + port->gs.wakeup_chars); } - clear_bit (SX_PORT_TRANSMIT_LOCK, &port->locks); - func_exit (); + clear_bit(SX_PORT_TRANSMIT_LOCK, &port->locks); + func_exit(); } - /* Note the symmetry between receiving chars and transmitting them! Note: The kernel should have implemented both a receive buffer and a transmit buffer. */ /* Inlined: Called only once. Remove the inline when you add another call */ -static inline void sx_receive_chars (struct sx_port *port) +static inline void sx_receive_chars(struct sx_port *port) { int c; int rx_op; struct tty_struct *tty; - int copied=0; + int copied = 0; unsigned char *rp; - func_enter2 (); + func_enter2(); tty = port->gs.tty; while (1) { - rx_op = sx_read_channel_byte (port, hi_rxopos); - c = (sx_read_channel_byte (port, hi_rxipos) - rx_op) & 0xff; + rx_op = sx_read_channel_byte(port, hi_rxopos); + c = (sx_read_channel_byte(port, hi_rxipos) - rx_op) & 0xff; - sx_dprintk (SX_DEBUG_RECEIVE, "rxop=%d, c = %d.\n", rx_op, c); + sx_dprintk(SX_DEBUG_RECEIVE, "rxop=%d, c = %d.\n", rx_op, c); /* Don't copy past the end of the hardware receive buffer */ - if (rx_op + c > 0x100) c = 0x100 - rx_op; + if (rx_op + c > 0x100) + c = 0x100 - rx_op; - sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); + sx_dprintk(SX_DEBUG_RECEIVE, "c = %d.\n", c); /* Don't copy more bytes than there is room for in the buffer */ c = tty_prepare_flip_string(tty, &rp, c); - sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); + sx_dprintk(SX_DEBUG_RECEIVE, "c = %d.\n", c); /* If for one reason or another, we can't copy more data, we're done! */ - if (c == 0) break; + if (c == 0) + break; - sx_dprintk (SX_DEBUG_RECEIVE , "Copying over %d chars. First is %d at %lx\n", c, - read_sx_byte (port->board, CHAN_OFFSET(port,hi_rxbuf) + rx_op), - CHAN_OFFSET(port, hi_rxbuf)); - memcpy_fromio (rp, - port->board->base + CHAN_OFFSET(port,hi_rxbuf) + rx_op, c); + sx_dprintk(SX_DEBUG_RECEIVE, "Copying over %d chars. First is " + "%d at %lx\n", c, read_sx_byte(port->board, + CHAN_OFFSET(port, hi_rxbuf) + rx_op), + CHAN_OFFSET(port, hi_rxbuf)); + memcpy_fromio(rp, port->board->base + + CHAN_OFFSET(port, hi_rxbuf) + rx_op, c); /* This one last. ( Not essential.) - It allows the card to start putting more data into the buffer! + It allows the card to start putting more data into the + buffer! Update the pointer in the card */ - sx_write_channel_byte (port, hi_rxopos, (rx_op + c) & 0xff); + sx_write_channel_byte(port, hi_rxopos, (rx_op + c) & 0xff); copied += c; } if (copied) { struct timeval tv; - do_gettimeofday (&tv); - sx_dprintk (SX_DEBUG_RECEIVE, - "pushing flipq port %d (%3d chars): %d.%06d (%d/%d)\n", - port->line, copied, - (int) (tv.tv_sec % 60), (int)tv.tv_usec, tty->raw, tty->real_raw); + do_gettimeofday(&tv); + sx_dprintk(SX_DEBUG_RECEIVE, "pushing flipq port %d (%3d " + "chars): %d.%06d (%d/%d)\n", port->line, + copied, (int)(tv.tv_sec % 60), (int)tv.tv_usec, + tty->raw, tty->real_raw); - /* Tell the rest of the system the news. Great news. New characters! */ - tty_flip_buffer_push (tty); + /* Tell the rest of the system the news. Great news. New + characters! */ + tty_flip_buffer_push(tty); /* tty_schedule_flip (tty); */ } - func_exit (); + func_exit(); } /* Inlined: it is called only once. Remove the inline if you add another call */ -static inline void sx_check_modem_signals (struct sx_port *port) +static inline void sx_check_modem_signals(struct sx_port *port) { int hi_state; int c_dcd; - hi_state = sx_read_channel_byte (port, hi_state); - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "Checking modem signals (%d/%d)\n", - port->c_dcd, sx_get_CD (port)); + hi_state = sx_read_channel_byte(port, hi_state); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "Checking modem signals (%d/%d)\n", + port->c_dcd, sx_get_CD(port)); if (hi_state & ST_BREAK) { hi_state &= ~ST_BREAK; - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "got a break.\n"); - sx_write_channel_byte (port, hi_state, hi_state); - gs_got_break (&port->gs); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "got a break.\n"); + sx_write_channel_byte(port, hi_state, hi_state); + gs_got_break(&port->gs); } if (hi_state & ST_DCD) { hi_state &= ~ST_DCD; - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "got a DCD change.\n"); - sx_write_channel_byte (port, hi_state, hi_state); - c_dcd = sx_get_CD (port); - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD is now %d\n", c_dcd); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "got a DCD change.\n"); + sx_write_channel_byte(port, hi_state, hi_state); + c_dcd = sx_get_CD(port); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD is now %d\n", c_dcd); if (c_dcd != port->c_dcd) { port->c_dcd = c_dcd; - if (sx_get_CD (port)) { + if (sx_get_CD(port)) { /* DCD went UP */ - if ((sx_read_channel_byte(port, hi_hstat) != HS_IDLE_CLOSED) && - !(port->gs.tty->termios->c_cflag & CLOCAL) ) { - /* Are we blocking in open?*/ - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD active, unblocking open\n"); - wake_up_interruptible(&port->gs.open_wait); + if ((sx_read_channel_byte(port, hi_hstat) != + HS_IDLE_CLOSED) && + !(port->gs.tty->termios-> + c_cflag & CLOCAL)) { + /* Are we blocking in open? */ + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " + "active, unblocking open\n"); + wake_up_interruptible(&port->gs. + open_wait); } else { - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD raised. Ignoring.\n"); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " + "raised. Ignoring.\n"); } } else { /* DCD went down! */ - if (!(port->gs.tty->termios->c_cflag & CLOCAL) ) { - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD dropped. hanging up....\n"); - tty_hangup (port->gs.tty); + if (!(port->gs.tty->termios->c_cflag & CLOCAL)){ + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " + "dropped. hanging up....\n"); + tty_hangup(port->gs.tty); } else { - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "DCD dropped. ignoring.\n"); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD " + "dropped. ignoring.\n"); } } } else { - sx_dprintk (SX_DEBUG_MODEMSIGNALS, "Hmmm. card told us DCD changed, but it didn't.\n"); + sx_dprintk(SX_DEBUG_MODEMSIGNALS, "Hmmm. card told us " + "DCD changed, but it didn't.\n"); } } } - /* This is what an interrupt routine should look like. * Small, elegant, clear. */ -static irqreturn_t sx_interrupt (int irq, void *ptr) +static irqreturn_t sx_interrupt(int irq, void *ptr) { struct sx_board *board = ptr; struct sx_port *port; int i; - func_enter (); - sx_dprintk (SX_DEBUG_FLOW, "sx: enter sx_interrupt (%d/%d)\n", irq, board->irq); + func_enter(); + sx_dprintk(SX_DEBUG_FLOW, "sx: enter sx_interrupt (%d/%d)\n", irq, + board->irq); /* AAargh! The order in which to do these things is essential and not trivial. - Rate limit goes before "recursive". Otherwise a series of - recursive calls will hang the machine in the interrupt routine. + recursive calls will hang the machine in the interrupt routine. - hardware twiddling goes before "recursive". Otherwise when we - poll the card, and a recursive interrupt happens, we won't - ack the card, so it might keep on interrupting us. (especially - level sensitive interrupt systems like PCI). + poll the card, and a recursive interrupt happens, we won't + ack the card, so it might keep on interrupting us. (especially + level sensitive interrupt systems like PCI). - Rate limit goes before hardware twiddling. Otherwise we won't - catch a card that has gone bonkers. + catch a card that has gone bonkers. - The "initialized" test goes after the hardware twiddling. Otherwise - the card will stick us in the interrupt routine again. + the card will stick us in the interrupt routine again. - The initialized test goes before recursive. - */ - - + */ #ifdef IRQ_RATE_LIMIT /* Aaargh! I'm ashamed. This costs more lines-of-code than the - actual interrupt routine!. (Well, used to when I wrote that comment) */ + actual interrupt routine!. (Well, used to when I wrote that + comment) */ { static int lastjif; - static int nintr=0; + static int nintr = 0; if (lastjif == jiffies) { if (++nintr > IRQ_RATE_LIMIT) { - free_irq (board->irq, board); - printk (KERN_ERR "sx: Too many interrupts. Turning off interrupt %d.\n", - board->irq); + free_irq(board->irq, board); + printk(KERN_ERR "sx: Too many interrupts. " + "Turning off interrupt %d.\n", + board->irq); } } else { lastjif = jiffies; @@ -1243,19 +1293,20 @@ static irqreturn_t sx_interrupt (int irq, void *ptr) } #endif - if (board->irq == irq) { /* Tell the card we've noticed the interrupt. */ - sx_write_board_word (board, cc_int_pending, 0); - if (IS_SX_BOARD (board)) { - write_sx_byte (board, SX_RESET_IRQ, 1); + sx_write_board_word(board, cc_int_pending, 0); + if (IS_SX_BOARD(board)) { + write_sx_byte(board, SX_RESET_IRQ, 1); } else if (IS_EISA_BOARD(board)) { - inb(board->eisa_base+0xc03); - write_sx_word(board, 8, 0); + inb(board->eisa_base + 0xc03); + write_sx_word(board, 8, 0); } else { - write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_CLEAR); - write_sx_byte (board, SI2_ISA_INTCLEAR, SI2_ISA_INTCLEAR_SET); + write_sx_byte(board, SI2_ISA_INTCLEAR, + SI2_ISA_INTCLEAR_CLEAR); + write_sx_byte(board, SI2_ISA_INTCLEAR, + SI2_ISA_INTCLEAR_SET); } } @@ -1264,53 +1315,48 @@ static irqreturn_t sx_interrupt (int irq, void *ptr) if (!(board->flags & SX_BOARD_INITIALIZED)) return IRQ_HANDLED; - if (test_and_set_bit (SX_BOARD_INTR_LOCK, &board->locks)) { - printk (KERN_ERR "Recursive interrupt! (%d)\n", board->irq); + if (test_and_set_bit(SX_BOARD_INTR_LOCK, &board->locks)) { + printk(KERN_ERR "Recursive interrupt! (%d)\n", board->irq); return IRQ_HANDLED; } - for (i=0;i<board->nports;i++) { + for (i = 0; i < board->nports; i++) { port = &board->ports[i]; if (port->gs.flags & GS_ACTIVE) { - if (sx_read_channel_byte (port, hi_state)) { - sx_dprintk (SX_DEBUG_INTERRUPTS, - "Port %d: modem signal change?... \n", i); - sx_check_modem_signals (port); + if (sx_read_channel_byte(port, hi_state)) { + sx_dprintk(SX_DEBUG_INTERRUPTS, "Port %d: " + "modem signal change?... \n",i); + sx_check_modem_signals(port); } if (port->gs.xmit_cnt) { - sx_transmit_chars (port); + sx_transmit_chars(port); } if (!(port->gs.flags & SX_RX_THROTTLE)) { - sx_receive_chars (port); + sx_receive_chars(port); } } } - clear_bit (SX_BOARD_INTR_LOCK, &board->locks); + clear_bit(SX_BOARD_INTR_LOCK, &board->locks); - sx_dprintk (SX_DEBUG_FLOW, "sx: exit sx_interrupt (%d/%d)\n", irq, board->irq); - func_exit (); + sx_dprintk(SX_DEBUG_FLOW, "sx: exit sx_interrupt (%d/%d)\n", irq, + board->irq); + func_exit(); return IRQ_HANDLED; } - -static void sx_pollfunc (unsigned long data) +static void sx_pollfunc(unsigned long data) { - struct sx_board *board = (struct sx_board *) data; - - func_enter (); + struct sx_board *board = (struct sx_board *)data; - sx_interrupt (0, board); + func_enter(); - init_timer(&board->timer); + sx_interrupt(0, board); - board->timer.expires = jiffies + sx_poll; - add_timer (&board->timer); - func_exit (); + mod_timer(&board->timer, jiffies + sx_poll); + func_exit(); } - - /* ********************************************************************** * * Here are the routines that actually * * interface with the generic_serial driver * @@ -1319,9 +1365,9 @@ static void sx_pollfunc (unsigned long data) /* Ehhm. I don't know how to fiddle with interrupts on the SX card. --REW */ /* Hmm. Ok I figured it out. You don't. */ -static void sx_disable_tx_interrupts (void * ptr) +static void sx_disable_tx_interrupts(void *ptr) { - struct sx_port *port = ptr; + struct sx_port *port = ptr; func_enter2(); port->gs.flags &= ~GS_TX_INTEN; @@ -1329,30 +1375,28 @@ static void sx_disable_tx_interrupts (void * ptr) func_exit(); } - -static void sx_enable_tx_interrupts (void * ptr) +static void sx_enable_tx_interrupts(void *ptr) { - struct sx_port *port = ptr; + struct sx_port *port = ptr; int data_in_buffer; func_enter2(); /* First transmit the characters that we're supposed to */ - sx_transmit_chars (port); + sx_transmit_chars(port); /* The sx card will never interrupt us if we don't fill the buffer past 25%. So we keep considering interrupts off if that's the case. */ - data_in_buffer = (sx_read_channel_byte (port, hi_txipos) - - sx_read_channel_byte (port, hi_txopos)) & 0xff; + data_in_buffer = (sx_read_channel_byte(port, hi_txipos) - + sx_read_channel_byte(port, hi_txopos)) & 0xff; /* XXX Must be "HIGH_WATER" for SI card according to doc. */ - if (data_in_buffer < LOW_WATER) + if (data_in_buffer < LOW_WATER) port->gs.flags &= ~GS_TX_INTEN; func_exit(); } - -static void sx_disable_rx_interrupts (void * ptr) +static void sx_disable_rx_interrupts(void *ptr) { /* struct sx_port *port = ptr; */ func_enter(); @@ -1360,7 +1404,7 @@ static void sx_disable_rx_interrupts (void * ptr) func_exit(); } -static void sx_enable_rx_interrupts (void * ptr) +static void sx_enable_rx_interrupts(void *ptr) { /* struct sx_port *port = ptr; */ func_enter(); @@ -1368,55 +1412,48 @@ static void sx_enable_rx_interrupts (void * ptr) func_exit(); } - /* Jeez. Isn't this simple? */ -static int sx_get_CD (void * ptr) +static int sx_get_CD(void *ptr) { struct sx_port *port = ptr; func_enter2(); func_exit(); - return ((sx_read_channel_byte (port, hi_ip) & IP_DCD) != 0); + return ((sx_read_channel_byte(port, hi_ip) & IP_DCD) != 0); } - /* Jeez. Isn't this simple? */ -static int sx_chars_in_buffer (void * ptr) +static int sx_chars_in_buffer(void *ptr) { struct sx_port *port = ptr; func_enter2(); func_exit(); - return ((sx_read_channel_byte (port, hi_txipos) - - sx_read_channel_byte (port, hi_txopos)) & 0xff); + return ((sx_read_channel_byte(port, hi_txipos) - + sx_read_channel_byte(port, hi_txopos)) & 0xff); } - -static void sx_shutdown_port (void * ptr) +static void sx_shutdown_port(void *ptr) { - struct sx_port *port = ptr; + struct sx_port *port = ptr; func_enter(); - port->gs.flags &= ~ GS_ACTIVE; + port->gs.flags &= ~GS_ACTIVE; if (port->gs.tty && (port->gs.tty->termios->c_cflag & HUPCL)) { - sx_setsignals (port, 0, 0); + sx_setsignals(port, 0, 0); sx_reconfigure_port(port); } func_exit(); } - - - - /* ********************************************************************** * * Here are the routines that actually * * interface with the rest of the system * * ********************************************************************** */ -static int sx_open (struct tty_struct * tty, struct file * filp) +static int sx_open(struct tty_struct *tty, struct file *filp) { struct sx_port *port; int retval, line; @@ -1429,18 +1466,18 @@ static int sx_open (struct tty_struct * tty, struct file * filp) } line = tty->index; - sx_dprintk (SX_DEBUG_OPEN, "%d: opening line %d. tty=%p ctty=%p, np=%d)\n", - current->pid, line, tty, current->signal->tty, sx_nports); + sx_dprintk(SX_DEBUG_OPEN, "%d: opening line %d. tty=%p ctty=%p, " + "np=%d)\n", current->pid, line, tty, + current->signal->tty, sx_nports); if ((line < 0) || (line >= SX_NPORTS) || (line >= sx_nports)) return -ENODEV; - port = & sx_ports[line]; + port = &sx_ports[line]; port->c_dcd = 0; /* Make sure that the first interrupt doesn't detect a - 1 -> 0 transition. */ + 1 -> 0 transition. */ - - sx_dprintk (SX_DEBUG_OPEN, "port = %p c_dcd = %d\n", port, port->c_dcd); + sx_dprintk(SX_DEBUG_OPEN, "port = %p c_dcd = %d\n", port, port->c_dcd); spin_lock_irqsave(&port->gs.driver_lock, flags); @@ -1449,13 +1486,13 @@ static int sx_open (struct tty_struct * tty, struct file * filp) port->gs.count++; spin_unlock_irqrestore(&port->gs.driver_lock, flags); - sx_dprintk (SX_DEBUG_OPEN, "starting port\n"); + sx_dprintk(SX_DEBUG_OPEN, "starting port\n"); /* * Start up serial port */ retval = gs_init_port(&port->gs); - sx_dprintk (SX_DEBUG_OPEN, "done gs_init\n"); + sx_dprintk(SX_DEBUG_OPEN, "done gs_init\n"); if (retval) { port->gs.count--; return retval; @@ -1463,19 +1500,20 @@ static int sx_open (struct tty_struct * tty, struct file * filp) port->gs.flags |= GS_ACTIVE; if (port->gs.count <= 1) - sx_setsignals (port, 1,1); + sx_setsignals(port, 1, 1); #if 0 if (sx_debug & SX_DEBUG_OPEN) - my_hd (port, sizeof (*port)); + my_hd(port, sizeof(*port)); #else if (sx_debug & SX_DEBUG_OPEN) - my_hd_io (port->board->base + port->ch_base, sizeof (*port)); + my_hd_io(port->board->base + port->ch_base, sizeof(*port)); #endif if (port->gs.count <= 1) { - if (sx_send_command (port, HS_LOPEN, -1, HS_IDLE_OPEN) != 1) { - printk (KERN_ERR "sx: Card didn't respond to LOPEN command.\n"); + if (sx_send_command(port, HS_LOPEN, -1, HS_IDLE_OPEN) != 1) { + printk(KERN_ERR "sx: Card didn't respond to LOPEN " + "command.\n"); spin_lock_irqsave(&port->gs.driver_lock, flags); port->gs.count--; spin_unlock_irqrestore(&port->gs.driver_lock, flags); @@ -1484,75 +1522,76 @@ static int sx_open (struct tty_struct * tty, struct file * filp) } retval = gs_block_til_ready(port, filp); - sx_dprintk (SX_DEBUG_OPEN, "Block til ready returned %d. Count=%d\n", - retval, port->gs.count); + sx_dprintk(SX_DEBUG_OPEN, "Block til ready returned %d. Count=%d\n", + retval, port->gs.count); if (retval) { - /* - * Don't lower gs.count here because sx_close() will be called later - */ +/* + * Don't lower gs.count here because sx_close() will be called later + */ return retval; } /* tty->low_latency = 1; */ - port->c_dcd = sx_get_CD (port); - sx_dprintk (SX_DEBUG_OPEN, "at open: cd=%d\n", port->c_dcd); + port->c_dcd = sx_get_CD(port); + sx_dprintk(SX_DEBUG_OPEN, "at open: cd=%d\n", port->c_dcd); func_exit(); return 0; } - -static void sx_close (void *ptr) +static void sx_close(void *ptr) { - struct sx_port *port = ptr; + struct sx_port *port = ptr; /* Give the port 5 seconds to close down. */ - int to = 5 * HZ; + int to = 5 * HZ; - func_enter (); + func_enter(); - sx_setsignals (port, 0, 0); - sx_reconfigure_port(port); - sx_send_command (port, HS_CLOSE, 0, 0); + sx_setsignals(port, 0, 0); + sx_reconfigure_port(port); + sx_send_command(port, HS_CLOSE, 0, 0); - while (to-- && (sx_read_channel_byte (port, hi_hstat) != HS_IDLE_CLOSED)) + while (to-- && (sx_read_channel_byte(port, hi_hstat) != HS_IDLE_CLOSED)) if (msleep_interruptible(10)) break; - if (sx_read_channel_byte (port, hi_hstat) != HS_IDLE_CLOSED) { - if (sx_send_command (port, HS_FORCE_CLOSED, -1, HS_IDLE_CLOSED) != 1) { - printk (KERN_ERR - "sx: sent the force_close command, but card didn't react\n"); + if (sx_read_channel_byte(port, hi_hstat) != HS_IDLE_CLOSED) { + if (sx_send_command(port, HS_FORCE_CLOSED, -1, HS_IDLE_CLOSED) + != 1) { + printk(KERN_ERR "sx: sent the force_close command, but " + "card didn't react\n"); } else - sx_dprintk (SX_DEBUG_CLOSE, "sent the force_close command.\n"); + sx_dprintk(SX_DEBUG_CLOSE, "sent the force_close " + "command.\n"); } - sx_dprintk (SX_DEBUG_CLOSE, "waited %d jiffies for close. count=%d\n", - 5 * HZ - to - 1, port->gs.count); + sx_dprintk(SX_DEBUG_CLOSE, "waited %d jiffies for close. count=%d\n", + 5 * HZ - to - 1, port->gs.count); - if(port->gs.count) { - sx_dprintk(SX_DEBUG_CLOSE, "WARNING port count:%d\n", port->gs.count); - //printk ("%s SETTING port count to zero: %p count: %d\n", __FUNCTION__, port, port->gs.count); - //port->gs.count = 0; + if (port->gs.count) { + sx_dprintk(SX_DEBUG_CLOSE, "WARNING port count:%d\n", + port->gs.count); + /*printk("%s SETTING port count to zero: %p count: %d\n", + __FUNCTION__, port, port->gs.count); + port->gs.count = 0;*/ } - func_exit (); + func_exit(); } - - /* This is relatively thorough. But then again it is only 20 lines. */ -#define MARCHUP for (i=min;i<max;i++) -#define MARCHDOWN for (i=max-1;i>=min;i--) -#define W0 write_sx_byte (board, i, 0x55) -#define W1 write_sx_byte (board, i, 0xaa) -#define R0 if (read_sx_byte (board, i) != 0x55) return 1 -#define R1 if (read_sx_byte (board, i) != 0xaa) return 1 +#define MARCHUP for (i = min; i < max; i++) +#define MARCHDOWN for (i = max - 1; i >= min; i--) +#define W0 write_sx_byte(board, i, 0x55) +#define W1 write_sx_byte(board, i, 0xaa) +#define R0 if (read_sx_byte(board, i) != 0x55) return 1 +#define R1 if (read_sx_byte(board, i) != 0xaa) return 1 /* This memtest takes a human-noticable time. You normally only do it once a boot, so I guess that it is worth it. */ -static int do_memtest (struct sx_board *board, int min, int max) +static int do_memtest(struct sx_board *board, int min, int max) { int i; @@ -1561,16 +1600,37 @@ static int do_memtest (struct sx_board *board, int min, int max) intermittent errors. -- REW (For the theory behind memory testing see: Testing Semiconductor Memories by A.J. van de Goor.) */ - MARCHUP {W0;} - MARCHUP {R0;W1;R1;W0;R0;W1;} - MARCHUP {R1;W0;W1;} - MARCHDOWN {R1;W0;W1;W0;} - MARCHDOWN {R0;W1;W0;} + MARCHUP { + W0; + } + MARCHUP { + R0; + W1; + R1; + W0; + R0; + W1; + } + MARCHUP { + R1; + W0; + W1; + } + MARCHDOWN { + R1; + W0; + W1; + W0; + } + MARCHDOWN { + R0; + W1; + W0; + } return 0; } - #undef MARCHUP #undef MARCHDOWN #undef W0 @@ -1578,33 +1638,54 @@ static int do_memtest (struct sx_board *board, int min, int max) #undef R0 #undef R1 -#define MARCHUP for (i=min;i<max;i+=2) -#define MARCHDOWN for (i=max-1;i>=min;i-=2) -#define W0 write_sx_word (board, i, 0x55aa) -#define W1 write_sx_word (board, i, 0xaa55) -#define R0 if (read_sx_word (board, i) != 0x55aa) return 1 -#define R1 if (read_sx_word (board, i) != 0xaa55) return 1 +#define MARCHUP for (i = min; i < max; i += 2) +#define MARCHDOWN for (i = max - 1; i >= min; i -= 2) +#define W0 write_sx_word(board, i, 0x55aa) +#define W1 write_sx_word(board, i, 0xaa55) +#define R0 if (read_sx_word(board, i) != 0x55aa) return 1 +#define R1 if (read_sx_word(board, i) != 0xaa55) return 1 #if 0 /* This memtest takes a human-noticable time. You normally only do it once a boot, so I guess that it is worth it. */ -static int do_memtest_w (struct sx_board *board, int min, int max) +static int do_memtest_w(struct sx_board *board, int min, int max) { int i; - MARCHUP {W0;} - MARCHUP {R0;W1;R1;W0;R0;W1;} - MARCHUP {R1;W0;W1;} - MARCHDOWN {R1;W0;W1;W0;} - MARCHDOWN {R0;W1;W0;} + MARCHUP { + W0; + } + MARCHUP { + R0; + W1; + R1; + W0; + R0; + W1; + } + MARCHUP { + R1; + W0; + W1; + } + MARCHDOWN { + R1; + W0; + W1; + W0; + } + MARCHDOWN { + R0; + W1; + W0; + } return 0; } #endif - -static int sx_fw_ioctl (struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int sx_fw_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { int rc = 0; int __user *descr = (int __user *)arg; @@ -1616,7 +1697,7 @@ static int sx_fw_ioctl (struct inode *inode, struct file *filp, func_enter(); -#if 0 +#if 0 /* Removed superuser check: Sysops can use the permissions on the device file to restrict access. Recommendation: Root only. (root.root 600) */ if (!capable(CAP_SYS_ADMIN)) { @@ -1624,103 +1705,115 @@ static int sx_fw_ioctl (struct inode *inode, struct file *filp, } #endif - sx_dprintk (SX_DEBUG_FIRMWARE, "IOCTL %x: %lx\n", cmd, arg); + sx_dprintk(SX_DEBUG_FIRMWARE, "IOCTL %x: %lx\n", cmd, arg); - if (!board) board = &boards[0]; + if (!board) + board = &boards[0]; if (board->flags & SX_BOARD_PRESENT) { - sx_dprintk (SX_DEBUG_FIRMWARE, "Board present! (%x)\n", - board->flags); + sx_dprintk(SX_DEBUG_FIRMWARE, "Board present! (%x)\n", + board->flags); } else { - sx_dprintk (SX_DEBUG_FIRMWARE, "Board not present! (%x) all:", - board->flags); - for (i=0;i< SX_NBOARDS;i++) - sx_dprintk (SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags); - sx_dprintk (SX_DEBUG_FIRMWARE, "\n"); + sx_dprintk(SX_DEBUG_FIRMWARE, "Board not present! (%x) all:", + board->flags); + for (i = 0; i < SX_NBOARDS; i++) + sx_dprintk(SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags); + sx_dprintk(SX_DEBUG_FIRMWARE, "\n"); return -EIO; } switch (cmd) { case SXIO_SET_BOARD: - sx_dprintk (SX_DEBUG_FIRMWARE, "set board to %ld\n", arg); - if (arg >= SX_NBOARDS) return -EIO; - sx_dprintk (SX_DEBUG_FIRMWARE, "not out of range\n"); - if (!(boards[arg].flags & SX_BOARD_PRESENT)) return -EIO; - sx_dprintk (SX_DEBUG_FIRMWARE, ".. and present!\n"); + sx_dprintk(SX_DEBUG_FIRMWARE, "set board to %ld\n", arg); + if (arg >= SX_NBOARDS) + return -EIO; + sx_dprintk(SX_DEBUG_FIRMWARE, "not out of range\n"); + if (!(boards[arg].flags & SX_BOARD_PRESENT)) + return -EIO; + sx_dprintk(SX_DEBUG_FIRMWARE, ".. and present!\n"); board = &boards[arg]; break; case SXIO_GET_TYPE: - rc = -ENOENT; /* If we manage to miss one, return error. */ - if (IS_SX_BOARD (board)) rc = SX_TYPE_SX; - if (IS_CF_BOARD (board)) rc = SX_TYPE_CF; - if (IS_SI_BOARD (board)) rc = SX_TYPE_SI; - if (IS_SI1_BOARD (board)) rc = SX_TYPE_SI; - if (IS_EISA_BOARD (board)) rc = SX_TYPE_SI; - sx_dprintk (SX_DEBUG_FIRMWARE, "returning type= %d\n", rc); + rc = -ENOENT; /* If we manage to miss one, return error. */ + if (IS_SX_BOARD(board)) + rc = SX_TYPE_SX; + if (IS_CF_BOARD(board)) + rc = SX_TYPE_CF; + if (IS_SI_BOARD(board)) + rc = SX_TYPE_SI; + if (IS_SI1_BOARD(board)) + rc = SX_TYPE_SI; + if (IS_EISA_BOARD(board)) + rc = SX_TYPE_SI; + sx_dprintk(SX_DEBUG_FIRMWARE, "returning type= %d\n", rc); break; case SXIO_DO_RAMTEST: - if (sx_initialized) /* Already initialized: better not ramtest the board. */ + if (sx_initialized) /* Already initialized: better not ramtest the board. */ return -EPERM; - if (IS_SX_BOARD (board)) { - rc = do_memtest (board, 0, 0x7000); - if (!rc) rc = do_memtest (board, 0, 0x7000); - /*if (!rc) rc = do_memtest_w (board, 0, 0x7000);*/ + if (IS_SX_BOARD(board)) { + rc = do_memtest(board, 0, 0x7000); + if (!rc) + rc = do_memtest(board, 0, 0x7000); + /*if (!rc) rc = do_memtest_w (board, 0, 0x7000); */ } else { - rc = do_memtest (board, 0, 0x7ff8); + rc = do_memtest(board, 0, 0x7ff8); /* if (!rc) rc = do_memtest_w (board, 0, 0x7ff8); */ } - sx_dprintk (SX_DEBUG_FIRMWARE, "returning memtest result= %d\n", rc); + sx_dprintk(SX_DEBUG_FIRMWARE, "returning memtest result= %d\n", + rc); break; case SXIO_DOWNLOAD: - if (sx_initialized) /* Already initialized */ + if (sx_initialized) /* Already initialized */ return -EEXIST; - if (!sx_reset (board)) + if (!sx_reset(board)) return -EIO; - sx_dprintk (SX_DEBUG_INIT, "reset the board...\n"); - - tmp = kmalloc (SX_CHUNK_SIZE, GFP_USER); - if (!tmp) return -ENOMEM; - get_user (nbytes, descr++); - get_user (offset, descr++); - get_user (data, descr++); + sx_dprintk(SX_DEBUG_INIT, "reset the board...\n"); + + tmp = kmalloc(SX_CHUNK_SIZE, GFP_USER); + if (!tmp) + return -ENOMEM; + get_user(nbytes, descr++); + get_user(offset, descr++); + get_user(data, descr++); while (nbytes && data) { - for (i=0;i<nbytes;i += SX_CHUNK_SIZE) { - if (copy_from_user(tmp, (char __user *)data+i, - (i + SX_CHUNK_SIZE > - nbytes) ? nbytes - i : - SX_CHUNK_SIZE)) { - kfree (tmp); + for (i = 0; i < nbytes; i += SX_CHUNK_SIZE) { + if (copy_from_user(tmp, (char __user *)data + i, + (i + SX_CHUNK_SIZE > nbytes) ? + nbytes - i : SX_CHUNK_SIZE)) { + kfree(tmp); return -EFAULT; } - memcpy_toio(board->base2 + offset + i, tmp, - (i+SX_CHUNK_SIZE>nbytes)?nbytes-i:SX_CHUNK_SIZE); + memcpy_toio(board->base2 + offset + i, tmp, + (i + SX_CHUNK_SIZE > nbytes) ? + nbytes - i : SX_CHUNK_SIZE); } - get_user (nbytes, descr++); - get_user (offset, descr++); - get_user (data, descr++); + get_user(nbytes, descr++); + get_user(offset, descr++); + get_user(data, descr++); } - kfree (tmp); - sx_nports += sx_init_board (board); + kfree(tmp); + sx_nports += sx_init_board(board); rc = sx_nports; break; case SXIO_INIT: - if (sx_initialized) /* Already initialized */ + if (sx_initialized) /* Already initialized */ return -EEXIST; /* This is not allowed until all boards are initialized... */ - for (i=0;i<SX_NBOARDS;i++) { - if ( (boards[i].flags & SX_BOARD_PRESENT) && - !(boards[i].flags & SX_BOARD_INITIALIZED)) + for (i = 0; i < SX_NBOARDS; i++) { + if ((boards[i].flags & SX_BOARD_PRESENT) && + !(boards[i].flags & SX_BOARD_INITIALIZED)) return -EIO; } - for (i=0;i<SX_NBOARDS;i++) - if (!(boards[i].flags & SX_BOARD_PRESENT)) break; - - sx_dprintk (SX_DEBUG_FIRMWARE, "initing portstructs, %d boards, " - "%d channels, first board: %d ports\n", - i, sx_nports, boards[0].nports); - rc = sx_init_portstructs (i, sx_nports); - sx_init_drivers (); - if (rc >= 0) + for (i = 0; i < SX_NBOARDS; i++) + if (!(boards[i].flags & SX_BOARD_PRESENT)) + break; + + sx_dprintk(SX_DEBUG_FIRMWARE, "initing portstructs, %d boards, " + "%d channels, first board: %d ports\n", + i, sx_nports, boards[0].nports); + rc = sx_init_portstructs(i, sx_nports); + sx_init_drivers(); + if (rc >= 0) sx_initialized++; break; case SXIO_SETDEBUG: @@ -1737,32 +1830,32 @@ static int sx_fw_ioctl (struct inode *inode, struct file *filp, rc = sx_nports; break; default: - printk (KERN_WARNING "Unknown ioctl on firmware device (%x).\n", cmd); + printk(KERN_WARNING "Unknown ioctl on firmware device (%x).\n", + cmd); break; } - func_exit (); + func_exit(); return rc; } - -static void sx_break (struct tty_struct * tty, int flag) +static void sx_break(struct tty_struct *tty, int flag) { struct sx_port *port = tty->driver_data; int rv; - func_enter (); + func_enter(); - if (flag) - rv = sx_send_command (port, HS_START, -1, HS_IDLE_BREAK); - else - rv = sx_send_command (port, HS_STOP, -1, HS_IDLE_OPEN); - if (rv != 1) printk (KERN_ERR "sx: couldn't send break (%x).\n", - read_sx_byte (port->board, CHAN_OFFSET (port, hi_hstat))); + if (flag) + rv = sx_send_command(port, HS_START, -1, HS_IDLE_BREAK); + else + rv = sx_send_command(port, HS_STOP, -1, HS_IDLE_OPEN); + if (rv != 1) + printk(KERN_ERR "sx: couldn't send break (%x).\n", + read_sx_byte(port->board, CHAN_OFFSET(port, hi_hstat))); - func_exit (); + func_exit(); } - static int sx_tiocmget(struct tty_struct *tty, struct file *file) { struct sx_port *port = tty->driver_data; @@ -1770,7 +1863,7 @@ static int sx_tiocmget(struct tty_struct *tty, struct file *file) } static int sx_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) + unsigned int set, unsigned int clear) { struct sx_port *port = tty->driver_data; int rts = -1, dtr = -1; @@ -1789,8 +1882,8 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file, return 0; } -static int sx_ioctl (struct tty_struct * tty, struct file * filp, - unsigned int cmd, unsigned long arg) +static int sx_ioctl(struct tty_struct *tty, struct file *filp, + unsigned int cmd, unsigned long arg) { int rc; struct sx_port *port = tty->driver_data; @@ -1803,10 +1896,10 @@ static int sx_ioctl (struct tty_struct * tty, struct file * filp, switch (cmd) { case TIOCGSOFTCAR: rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0), - (unsigned __user *) argp); + (unsigned __user *)argp); break; case TIOCSSOFTCAR: - if ((rc = get_user(ival, (unsigned __user *) argp)) == 0) { + if ((rc = get_user(ival, (unsigned __user *)argp)) == 0) { tty->termios->c_cflag = (tty->termios->c_cflag & ~CLOCAL) | (ival ? CLOCAL : 0); @@ -1827,7 +1920,6 @@ static int sx_ioctl (struct tty_struct * tty, struct file * filp, return rc; } - /* The throttle/unthrottle scheme for the Specialix card is different * from other drivers and deserves some explanation. * The Specialix hardware takes care of XON/XOFF @@ -1844,7 +1936,7 @@ static int sx_ioctl (struct tty_struct * tty, struct file * filp, * flow control scheme is in use for that port. -- Simon Allen */ -static void sx_throttle (struct tty_struct * tty) +static void sx_throttle(struct tty_struct *tty) { struct sx_port *port = (struct sx_port *)tty->driver_data; @@ -1852,14 +1944,13 @@ static void sx_throttle (struct tty_struct * tty) /* If the port is using any type of input flow * control then throttle the port. */ - if((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty)) ) { + if ((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty))) { port->gs.flags |= SX_RX_THROTTLE; } func_exit(); } - -static void sx_unthrottle (struct tty_struct * tty) +static void sx_unthrottle(struct tty_struct *tty) { struct sx_port *port = (struct sx_port *)tty->driver_data; @@ -1873,15 +1964,11 @@ static void sx_unthrottle (struct tty_struct * tty) return; } - /* ********************************************************************** * * Here are the initialization routines. * * ********************************************************************** */ - - - -static int sx_init_board (struct sx_board *board) +static int sx_init_board(struct sx_board *board) { int addr; int chans; @@ -1893,36 +1980,38 @@ static int sx_init_board (struct sx_board *board) board->flags |= SX_BOARD_INITIALIZED; - if (read_sx_byte (board, 0)) + if (read_sx_byte(board, 0)) /* CF boards may need this. */ - write_sx_byte(board,0, 0); + write_sx_byte(board, 0, 0); /* This resets the processor again, to make sure it didn't do any foolish things while we were downloading the image */ - if (!sx_reset (board)) + if (!sx_reset(board)) return 0; - sx_start_board (board); - udelay (10); - if (!sx_busy_wait_neq (board, 0, 0xff, 0)) { - printk (KERN_ERR "sx: Ooops. Board won't initialize.\n"); + sx_start_board(board); + udelay(10); + if (!sx_busy_wait_neq(board, 0, 0xff, 0)) { + printk(KERN_ERR "sx: Ooops. Board won't initialize.\n"); return 0; } /* Ok. So now the processor on the card is running. It gathered some info for us... */ - sx_dprintk (SX_DEBUG_INIT, "The sxcard structure:\n"); - if (sx_debug & SX_DEBUG_INIT) my_hd_io (board->base, 0x10); - sx_dprintk (SX_DEBUG_INIT, "the first sx_module structure:\n"); - if (sx_debug & SX_DEBUG_INIT) my_hd_io (board->base + 0x80, 0x30); - - sx_dprintk (SX_DEBUG_INIT, - "init_status: %x, %dk memory, firmware V%x.%02x,\n", - read_sx_byte (board, 0), read_sx_byte(board, 1), - read_sx_byte (board, 5), read_sx_byte(board, 4)); - - if (read_sx_byte (board, 0) == 0xff) { - printk (KERN_INFO "sx: No modules found. Sorry.\n"); + sx_dprintk(SX_DEBUG_INIT, "The sxcard structure:\n"); + if (sx_debug & SX_DEBUG_INIT) + my_hd_io(board->base, 0x10); + sx_dprintk(SX_DEBUG_INIT, "the first sx_module structure:\n"); + if (sx_debug & SX_DEBUG_INIT) + my_hd_io(board->base + 0x80, 0x30); + + sx_dprintk(SX_DEBUG_INIT, "init_status: %x, %dk memory, firmware " + "V%x.%02x,\n", + read_sx_byte(board, 0), read_sx_byte(board, 1), + read_sx_byte(board, 5), read_sx_byte(board, 4)); + + if (read_sx_byte(board, 0) == 0xff) { + printk(KERN_INFO "sx: No modules found. Sorry.\n"); board->nports = 0; return 0; } @@ -1930,82 +2019,97 @@ static int sx_init_board (struct sx_board *board) chans = 0; if (IS_SX_BOARD(board)) { - sx_write_board_word (board, cc_int_count, sx_maxints); + sx_write_board_word(board, cc_int_count, sx_maxints); } else { if (sx_maxints) - sx_write_board_word (board, cc_int_count, SI_PROCESSOR_CLOCK/8/sx_maxints); + sx_write_board_word(board, cc_int_count, + SI_PROCESSOR_CLOCK / 8 / sx_maxints); } /* grab the first module type... */ - /* board->ta_type = mod_compat_type (read_sx_byte (board, 0x80 + 0x08)); */ - board->ta_type = mod_compat_type (sx_read_module_byte (board, 0x80, mc_chip)); + /* board->ta_type = mod_compat_type (read_sx_byte (board, 0x80 + 0x08)); */ + board->ta_type = mod_compat_type(sx_read_module_byte(board, 0x80, + mc_chip)); /* XXX byteorder */ - for (addr = 0x80;addr != 0;addr = read_sx_word (board, addr) & 0x7fff) { - type = sx_read_module_byte (board, addr, mc_chip); - sx_dprintk (SX_DEBUG_INIT, "Module at %x: %d channels\n", - addr, read_sx_byte (board, addr + 2)); - - chans += sx_read_module_byte (board, addr, mc_type); - - sx_dprintk (SX_DEBUG_INIT, "module is an %s, which has %s/%s panels\n", - mod_type_s (type), - pan_type_s (sx_read_module_byte (board, addr, mc_mods) & 0xf), - pan_type_s (sx_read_module_byte (board, addr, mc_mods) >> 4)); - - sx_dprintk (SX_DEBUG_INIT, "CD1400 versions: %x/%x, ASIC version: %x\n", - sx_read_module_byte (board, addr, mc_rev1), - sx_read_module_byte (board, addr, mc_rev2), - sx_read_module_byte (board, addr, mc_mtaasic_rev)); + for (addr = 0x80; addr != 0; addr = read_sx_word(board, addr) & 0x7fff){ + type = sx_read_module_byte(board, addr, mc_chip); + sx_dprintk(SX_DEBUG_INIT, "Module at %x: %d channels\n", + addr, read_sx_byte(board, addr + 2)); + + chans += sx_read_module_byte(board, addr, mc_type); + + sx_dprintk(SX_DEBUG_INIT, "module is an %s, which has %s/%s " + "panels\n", + mod_type_s(type), + pan_type_s(sx_read_module_byte(board, addr, + mc_mods) & 0xf), + pan_type_s(sx_read_module_byte(board, addr, + mc_mods) >> 4)); + + sx_dprintk(SX_DEBUG_INIT, "CD1400 versions: %x/%x, ASIC " + "version: %x\n", + sx_read_module_byte(board, addr, mc_rev1), + sx_read_module_byte(board, addr, mc_rev2), + sx_read_module_byte(board, addr, mc_mtaasic_rev)); /* The following combinations are illegal: It should theoretically work, but timing problems make the bus HANG. */ - if (mod_compat_type (type) != board->ta_type) { - printk (KERN_ERR "sx: This is an invalid configuration.\n" - "Don't mix TA/MTA/SXDC on the same hostadapter.\n"); - chans=0; + if (mod_compat_type(type) != board->ta_type) { + printk(KERN_ERR "sx: This is an invalid " + "configuration.\nDon't mix TA/MTA/SXDC on the " + "same hostadapter.\n"); + chans = 0; break; } - if ((IS_EISA_BOARD(board) || - IS_SI_BOARD(board)) && (mod_compat_type(type) == 4)) { - printk (KERN_ERR "sx: This is an invalid configuration.\n" - "Don't use SXDCs on an SI/XIO adapter.\n"); - chans=0; + if ((IS_EISA_BOARD(board) || + IS_SI_BOARD(board)) && + (mod_compat_type(type) == 4)) { + printk(KERN_ERR "sx: This is an invalid " + "configuration.\nDon't use SXDCs on an SI/XIO " + "adapter.\n"); + chans = 0; break; } -#if 0 /* Problem fixed: firmware 3.05 */ +#if 0 /* Problem fixed: firmware 3.05 */ if (IS_SX_BOARD(board) && (type == TA8)) { /* There are some issues with the firmware and the DCD/RTS lines. It might work if you tie them together or something. - It might also work if you get a newer sx_firmware. Therefore + It might also work if you get a newer sx_firmware. Therefore this is just a warning. */ - printk (KERN_WARNING "sx: The SX host doesn't work too well " - "with the TA8 adapters.\nSpecialix is working on it.\n"); + printk(KERN_WARNING + "sx: The SX host doesn't work too well " + "with the TA8 adapters.\nSpecialix is working on it.\n"); } #endif } if (chans) { - /* board->flags |= SX_BOARD_PRESENT; */ - if(board->irq > 0) { + if (board->irq > 0) { /* fixed irq, probably PCI */ - if(sx_irqmask & (1 << board->irq)) { /* may we use this irq? */ - if(request_irq(board->irq, sx_interrupt, IRQF_SHARED | IRQF_DISABLED, "sx", board)) { - printk(KERN_ERR "sx: Cannot allocate irq %d.\n", board->irq); + if (sx_irqmask & (1 << board->irq)) { /* may we use this irq? */ + if (request_irq(board->irq, sx_interrupt, + IRQF_SHARED | IRQF_DISABLED, + "sx", board)) { + printk(KERN_ERR "sx: Cannot allocate " + "irq %d.\n", board->irq); board->irq = 0; } } else board->irq = 0; - } else if(board->irq < 0 && sx_irqmask) { + } else if (board->irq < 0 && sx_irqmask) { /* auto-allocate irq */ int irqnr; - int irqmask = sx_irqmask & (IS_SX_BOARD(board) ? SX_ISA_IRQ_MASK : SI2_ISA_IRQ_MASK); - for(irqnr = 15; irqnr > 0; irqnr--) - if(irqmask & (1 << irqnr)) - if(! request_irq(irqnr, sx_interrupt, IRQF_SHARED | IRQF_DISABLED, "sx", board)) + int irqmask = sx_irqmask & (IS_SX_BOARD(board) ? + SX_ISA_IRQ_MASK : SI2_ISA_IRQ_MASK); + for (irqnr = 15; irqnr > 0; irqnr--) + if (irqmask & (1 << irqnr)) + if (!request_irq(irqnr, sx_interrupt, + IRQF_SHARED | IRQF_DISABLED, + "sx", board)) break; - if(! irqnr) + if (!irqnr) printk(KERN_ERR "sx: Cannot allocate IRQ.\n"); board->irq = irqnr; } else @@ -2013,52 +2117,48 @@ static int sx_init_board (struct sx_board *board) if (board->irq) { /* Found a valid interrupt, start up interrupts! */ - sx_dprintk (SX_DEBUG_INIT, "Using irq %d.\n", board->irq); - sx_start_interrupts (board); + sx_dprintk(SX_DEBUG_INIT, "Using irq %d.\n", + board->irq); + sx_start_interrupts(board); board->poll = sx_slowpoll; board->flags |= SX_IRQ_ALLOCATED; } else { /* no irq: setup board for polled operation */ board->poll = sx_poll; - sx_dprintk (SX_DEBUG_INIT, "Using poll-interval %d.\n", board->poll); + sx_dprintk(SX_DEBUG_INIT, "Using poll-interval %d.\n", + board->poll); } - /* The timer should be initialized anyway: That way we can safely - del_timer it when the module is unloaded. */ - init_timer (&board->timer); + /* The timer should be initialized anyway: That way we can + safely del_timer it when the module is unloaded. */ + setup_timer(&board->timer, sx_pollfunc, (unsigned long)board); - if (board->poll) { - board->timer.data = (unsigned long) board; - board->timer.function = sx_pollfunc; - board->timer.expires = jiffies + board->poll; - add_timer (&board->timer); - } + if (board->poll) + mod_timer(&board->timer, jiffies + board->poll); } else { board->irq = 0; } board->nports = chans; - sx_dprintk (SX_DEBUG_INIT, "returning %d ports.", board->nports); + sx_dprintk(SX_DEBUG_INIT, "returning %d ports.", board->nports); func_exit(); return chans; } - -static void printheader(void) +static void __devinit printheader(void) { static int header_printed; if (!header_printed) { - printk (KERN_INFO "Specialix SX driver " - "(C) 1998/1999 R.E.Wolff@BitWizard.nl \n"); - printk (KERN_INFO "sx: version %s\n", RCS_ID); + printk(KERN_INFO "Specialix SX driver " + "(C) 1998/1999 R.E.Wolff@BitWizard.nl\n"); + printk(KERN_INFO "sx: version " __stringify(SX_VERSION) "\n"); header_printed = 1; } } - -static int probe_sx (struct sx_board *board) +static int __devinit probe_sx(struct sx_board *board) { struct vpd_prom vpdp; char *p; @@ -2066,51 +2166,57 @@ static int probe_sx (struct sx_board *board) func_enter(); - if (!IS_CF_BOARD (board)) { - sx_dprintk (SX_DEBUG_PROBE, "Going to verify vpd prom at %p.\n", - board->base + SX_VPD_ROM); + if (!IS_CF_BOARD(board)) { + sx_dprintk(SX_DEBUG_PROBE, "Going to verify vpd prom at %p.\n", + board->base + SX_VPD_ROM); if (sx_debug & SX_DEBUG_PROBE) my_hd_io(board->base + SX_VPD_ROM, 0x40); - p = (char *) &vpdp; - for (i=0;i< sizeof (struct vpd_prom);i++) - *p++ = read_sx_byte (board, SX_VPD_ROM + i*2); + p = (char *)&vpdp; + for (i = 0; i < sizeof(struct vpd_prom); i++) + *p++ = read_sx_byte(board, SX_VPD_ROM + i * 2); if (sx_debug & SX_DEBUG_PROBE) - my_hd (&vpdp, 0x20); + my_hd(&vpdp, 0x20); - sx_dprintk (SX_DEBUG_PROBE, "checking identifier...\n"); + sx_dprintk(SX_DEBUG_PROBE, "checking identifier...\n"); - if (strncmp (vpdp.identifier, SX_VPD_IDENT_STRING, 16) != 0) { - sx_dprintk (SX_DEBUG_PROBE, "Got non-SX identifier: '%s'\n", - vpdp.identifier); + if (strncmp(vpdp.identifier, SX_VPD_IDENT_STRING, 16) != 0) { + sx_dprintk(SX_DEBUG_PROBE, "Got non-SX identifier: " + "'%s'\n", vpdp.identifier); return 0; } } - printheader (); - - if (!IS_CF_BOARD (board)) { - printk (KERN_DEBUG "sx: Found an SX board at %lx\n", board->hw_base); - printk (KERN_DEBUG "sx: hw_rev: %d, assembly level: %d, uniq ID:%08x, ", - vpdp.hwrev, vpdp.hwass, vpdp.uniqid); - printk ( "Manufactured: %d/%d\n", - 1970 + vpdp.myear, vpdp.mweek); + printheader(); + if (!IS_CF_BOARD(board)) { + printk(KERN_DEBUG "sx: Found an SX board at %lx\n", + board->hw_base); + printk(KERN_DEBUG "sx: hw_rev: %d, assembly level: %d, " + "uniq ID:%08x, ", + vpdp.hwrev, vpdp.hwass, vpdp.uniqid); + printk("Manufactured: %d/%d\n", 1970 + vpdp.myear, vpdp.mweek); - if ((((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) != SX_PCI_UNIQUEID1) && - (((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) != SX_ISA_UNIQUEID1)) { - /* This might be a bit harsh. This was the primary reason the - SX/ISA card didn't work at first... */ - printk (KERN_ERR "sx: Hmm. Not an SX/PCI or SX/ISA card. Sorry: giving up.\n"); + if ((((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) != + SX_PCI_UNIQUEID1) && (((vpdp.uniqid >> 24) & + SX_UNIQUEID_MASK) != SX_ISA_UNIQUEID1)) { + /* This might be a bit harsh. This was the primary + reason the SX/ISA card didn't work at first... */ + printk(KERN_ERR "sx: Hmm. Not an SX/PCI or SX/ISA " + "card. Sorry: giving up.\n"); return (0); } - if (((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) == SX_ISA_UNIQUEID1) { + if (((vpdp.uniqid >> 24) & SX_UNIQUEID_MASK) == + SX_ISA_UNIQUEID1) { if (((unsigned long)board->hw_base) & 0x8000) { - printk (KERN_WARNING "sx: Warning: There may be hardware problems with the card at %lx.\n", board->hw_base); - printk (KERN_WARNING "sx: Read sx.txt for more info.\n"); + printk(KERN_WARNING "sx: Warning: There may be " + "hardware problems with the card at " + "%lx.\n", board->hw_base); + printk(KERN_WARNING "sx: Read sx.txt for more " + "info.\n"); } } } @@ -2118,17 +2224,15 @@ static int probe_sx (struct sx_board *board) board->nports = -1; /* This resets the processor, and keeps it off the bus. */ - if (!sx_reset (board)) + if (!sx_reset(board)) return 0; - sx_dprintk (SX_DEBUG_INIT, "reset the board...\n"); - - board->flags |= SX_BOARD_PRESENT; + sx_dprintk(SX_DEBUG_INIT, "reset the board...\n"); func_exit(); return 1; } - +#if defined(CONFIG_ISA) || defined(CONFIG_EISA) /* Specialix probes for this card at 32k increments from 640k to 16M. I consider machines with less than 16M unlikely nowadays, so I'm @@ -2136,28 +2240,27 @@ static int probe_sx (struct sx_board *board) card. 0xe0000 and 0xf0000 are taken by the BIOS. That only leaves 0xc0000, 0xc8000, 0xd0000 and 0xd8000 . */ -static int probe_si (struct sx_board *board) +static int __devinit probe_si(struct sx_board *board) { int i; func_enter(); - sx_dprintk (SX_DEBUG_PROBE, "Going to verify SI signature hw %lx at %p.\n", board->hw_base, - board->base + SI2_ISA_ID_BASE); + sx_dprintk(SX_DEBUG_PROBE, "Going to verify SI signature hw %lx at " + "%p.\n", board->hw_base, board->base + SI2_ISA_ID_BASE); if (sx_debug & SX_DEBUG_PROBE) my_hd_io(board->base + SI2_ISA_ID_BASE, 0x8); if (!IS_EISA_BOARD(board)) { - if( IS_SI1_BOARD(board) ) - { - for (i=0;i<8;i++) { - write_sx_byte (board, SI2_ISA_ID_BASE+7-i,i); - + if (IS_SI1_BOARD(board)) { + for (i = 0; i < 8; i++) { + write_sx_byte(board, SI2_ISA_ID_BASE + 7 - i,i); + } } - } - for (i=0;i<8;i++) { - if ((read_sx_byte (board, SI2_ISA_ID_BASE+7-i) & 7) != i) { - func_exit (); + for (i = 0; i < 8; i++) { + if ((read_sx_byte(board, SI2_ISA_ID_BASE + 7 - i) & 7) + != i) { + func_exit(); return 0; } } @@ -2167,20 +2270,20 @@ static int probe_si (struct sx_board *board) but to prevent trouble, we'd better double check that we don't have an SI1 board when we're probing for an SI2 board.... */ - write_sx_byte (board, SI2_ISA_ID_BASE,0x10); - if ( IS_SI1_BOARD(board)) { + write_sx_byte(board, SI2_ISA_ID_BASE, 0x10); + if (IS_SI1_BOARD(board)) { /* This should be an SI1 board, which has this location writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) { - func_exit (); - return 0; + if (read_sx_byte(board, SI2_ISA_ID_BASE) != 0x10) { + func_exit(); + return 0; } } else { /* This should be an SI2 board, which has the bottom 3 bits non-writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) { - func_exit (); - return 0; + if (read_sx_byte(board, SI2_ISA_ID_BASE) == 0x10) { + func_exit(); + return 0; } } @@ -2188,45 +2291,44 @@ static int probe_si (struct sx_board *board) but to prevent trouble, we'd better double check that we don't have an SI1 board when we're probing for an SI2 board.... */ - write_sx_byte (board, SI2_ISA_ID_BASE,0x10); - if ( IS_SI1_BOARD(board)) { + write_sx_byte(board, SI2_ISA_ID_BASE, 0x10); + if (IS_SI1_BOARD(board)) { /* This should be an SI1 board, which has this location writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) { + if (read_sx_byte(board, SI2_ISA_ID_BASE) != 0x10) { func_exit(); - return 0; + return 0; } } else { /* This should be an SI2 board, which has the bottom 3 bits non-writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) { - func_exit (); - return 0; + if (read_sx_byte(board, SI2_ISA_ID_BASE) == 0x10) { + func_exit(); + return 0; } } - printheader (); + printheader(); - printk (KERN_DEBUG "sx: Found an SI board at %lx\n", board->hw_base); + printk(KERN_DEBUG "sx: Found an SI board at %lx\n", board->hw_base); /* Compared to the SX boards, it is a complete guess as to what - this card is up to... */ + this card is up to... */ board->nports = -1; /* This resets the processor, and keeps it off the bus. */ - if (!sx_reset (board)) + if (!sx_reset(board)) return 0; - sx_dprintk (SX_DEBUG_INIT, "reset the board...\n"); - - board->flags |= SX_BOARD_PRESENT; + sx_dprintk(SX_DEBUG_INIT, "reset the board...\n"); func_exit(); return 1; } +#endif static const struct tty_operations sx_ops = { .break_ctl = sx_break, - .open = sx_open, + .open = sx_open, .close = gs_close, .write = gs_write, .put_char = gs_put_char, @@ -2261,34 +2363,23 @@ static int sx_init_drivers(void) sx_driver->type = TTY_DRIVER_TYPE_SERIAL; sx_driver->subtype = SERIAL_TYPE_NORMAL; sx_driver->init_termios = tty_std_termios; - sx_driver->init_termios.c_cflag = - B9600 | CS8 | CREAD | HUPCL | CLOCAL; + sx_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + sx_driver->init_termios.c_ispeed = 9600; + sx_driver->init_termios.c_ospeed = 9600; sx_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(sx_driver, &sx_ops); if ((error = tty_register_driver(sx_driver))) { put_tty_driver(sx_driver); printk(KERN_ERR "sx: Couldn't register sx driver, error = %d\n", - error); + error); return 1; } func_exit(); return 0; } - -static void * ckmalloc (int size) -{ - void *p; - - p = kmalloc(size, GFP_KERNEL); - if (p) - memset(p, 0, size); - return p; -} - - -static int sx_init_portstructs (int nboards, int nports) +static int sx_init_portstructs(int nboards, int nports) { struct sx_board *board; struct sx_port *port; @@ -2299,8 +2390,9 @@ static int sx_init_portstructs (int nboards, int nports) func_enter(); /* Many drivers statically allocate the maximum number of ports - There is no reason not to allocate them dynamically. Is there? -- REW */ - sx_ports = ckmalloc(nports * sizeof (struct sx_port)); + There is no reason not to allocate them dynamically. + Is there? -- REW */ + sx_ports = kcalloc(nports, sizeof(struct sx_port), GFP_KERNEL); if (!sx_ports) return -ENOMEM; @@ -2308,10 +2400,10 @@ static int sx_init_portstructs (int nboards, int nports) for (i = 0; i < nboards; i++) { board = &boards[i]; board->ports = port; - for (j=0; j < boards[i].nports;j++) { - sx_dprintk (SX_DEBUG_INIT, "initing port %d\n", j); + for (j = 0; j < boards[i].nports; j++) { + sx_dprintk(SX_DEBUG_INIT, "initing port %d\n", j); port->gs.magic = SX_MAGIC; - port->gs.close_delay = HZ/2; + port->gs.close_delay = HZ / 2; port->gs.closing_wait = 30 * HZ; port->board = board; port->gs.rd = &sx_real_driver; @@ -2323,8 +2415,8 @@ static int sx_init_portstructs (int nboards, int nports) * Initializing wait queue */ init_waitqueue_head(&port->gs.open_wait); - init_waitqueue_head(&port->gs.close_wait); - + init_waitqueue_head(&port->gs.close_wait); + port++; } } @@ -2335,28 +2427,36 @@ static int sx_init_portstructs (int nboards, int nports) board = &boards[i]; board->port_base = portno; /* Possibly the configuration was rejected. */ - sx_dprintk (SX_DEBUG_PROBE, "Board has %d channels\n", board->nports); - if (board->nports <= 0) continue; + sx_dprintk(SX_DEBUG_PROBE, "Board has %d channels\n", + board->nports); + if (board->nports <= 0) + continue; /* XXX byteorder ?? */ - for (addr = 0x80;addr != 0;addr = read_sx_word (board, addr) & 0x7fff) { - chans = sx_read_module_byte (board, addr, mc_type); - sx_dprintk (SX_DEBUG_PROBE, "Module at %x: %d channels\n", addr, chans); - sx_dprintk (SX_DEBUG_PROBE, "Port at"); - for (j=0;j<chans;j++) { - /* The "sx-way" is the way it SHOULD be done. That way in the - future, the firmware may for example pack the structures a bit - more efficient. Neil tells me it isn't going to happen anytime - soon though. */ + for (addr = 0x80; addr != 0; + addr = read_sx_word(board, addr) & 0x7fff) { + chans = sx_read_module_byte(board, addr, mc_type); + sx_dprintk(SX_DEBUG_PROBE, "Module at %x: %d " + "channels\n", addr, chans); + sx_dprintk(SX_DEBUG_PROBE, "Port at"); + for (j = 0; j < chans; j++) { + /* The "sx-way" is the way it SHOULD be done. + That way in the future, the firmware may for + example pack the structures a bit more + efficient. Neil tells me it isn't going to + happen anytime soon though. */ if (IS_SX_BOARD(board)) - port->ch_base = sx_read_module_word (board, addr+j*2, mc_chan_pointer); + port->ch_base = sx_read_module_word( + board, addr + j * 2, + mc_chan_pointer); else - port->ch_base = addr + 0x100 + 0x300*j; + port->ch_base = addr + 0x100 + 0x300 *j; - sx_dprintk (SX_DEBUG_PROBE, " %x", port->ch_base); + sx_dprintk(SX_DEBUG_PROBE, " %x", + port->ch_base); port->line = portno++; port++; } - sx_dprintk (SX_DEBUG_PROBE, "\n"); + sx_dprintk(SX_DEBUG_PROBE, "\n"); } /* This has to be done earlier. */ /* board->flags |= SX_BOARD_INITIALIZED; */ @@ -2366,6 +2466,17 @@ static int sx_init_portstructs (int nboards, int nports) return 0; } +static unsigned int sx_find_free_board(void) +{ + unsigned int i; + + for (i = 0; i < SX_NBOARDS; i++) + if (!(boards[i].flags & SX_BOARD_PRESENT)) + break; + + return i; +} + static void __exit sx_release_drivers(void) { func_enter(); @@ -2374,6 +2485,124 @@ static void __exit sx_release_drivers(void) func_exit(); } +static void __devexit sx_remove_card(struct sx_board *board, + struct pci_dev *pdev) +{ + if (board->flags & SX_BOARD_INITIALIZED) { + /* The board should stop messing with us. (actually I mean the + interrupt) */ + sx_reset(board); + if ((board->irq) && (board->flags & SX_IRQ_ALLOCATED)) + free_irq(board->irq, board); + + /* It is safe/allowed to del_timer a non-active timer */ + del_timer(&board->timer); + if (pdev) { +#ifdef CONFIG_PCI + pci_iounmap(pdev, board->base); + pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2); +#endif + } else { + iounmap(board->base); + release_region(board->hw_base, board->hw_len); + } + + board->flags &= ~(SX_BOARD_INITIALIZED | SX_BOARD_PRESENT); + } +} + +#ifdef CONFIG_EISA + +static int __devinit sx_eisa_probe(struct device *dev) +{ + struct eisa_device *edev = to_eisa_device(dev); + struct sx_board *board; + unsigned long eisa_slot = edev->base_addr; + unsigned int i; + int retval = -EIO; + + mutex_lock(&sx_boards_lock); + i = sx_find_free_board(); + if (i == SX_NBOARDS) { + mutex_unlock(&sx_boards_lock); + goto err; + } + board = &boards[i]; + board->flags |= SX_BOARD_PRESENT; + mutex_unlock(&sx_boards_lock); + + dev_info(dev, "XIO : Signature found in EISA slot %lu, " + "Product %d Rev %d (REPORT THIS TO LKLM)\n", + eisa_slot >> 12, + inb(eisa_slot + EISA_VENDOR_ID_OFFSET + 2), + inb(eisa_slot + EISA_VENDOR_ID_OFFSET + 3)); + + board->eisa_base = eisa_slot; + board->flags &= ~SX_BOARD_TYPE; + board->flags |= SI_EISA_BOARD; + + board->hw_base = ((inb(eisa_slot + 0xc01) << 8) + + inb(eisa_slot + 0xc00)) << 16; + board->hw_len = SI2_EISA_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) { + dev_err(dev, "can't request region\n"); + goto err_flag; + } + board->base2 = + board->base = ioremap(board->hw_base, SI2_EISA_WINDOW_LEN); + if (!board->base) { + dev_err(dev, "can't remap memory\n"); + goto err_reg; + } + + sx_dprintk(SX_DEBUG_PROBE, "IO hw_base address: %lx\n", board->hw_base); + sx_dprintk(SX_DEBUG_PROBE, "base: %p\n", board->base); + board->irq = inb(eisa_slot + 0xc02) >> 4; + sx_dprintk(SX_DEBUG_PROBE, "IRQ: %d\n", board->irq); + + if (!probe_si(board)) + goto err_unmap; + + dev_set_drvdata(dev, board); + + return 0; +err_unmap: + iounmap(board->base); +err_reg: + release_region(board->hw_base, board->hw_len); +err_flag: + board->flags &= ~SX_BOARD_PRESENT; +err: + return retval; +} + +static int __devexit sx_eisa_remove(struct device *dev) +{ + struct sx_board *board = dev_get_drvdata(dev); + + sx_remove_card(board, NULL); + + return 0; +} + +static struct eisa_device_id sx_eisa_tbl[] = { + { "SLX" }, + { "" } +}; + +MODULE_DEVICE_TABLE(eisa, sx_eisa_tbl); + +static struct eisa_driver sx_eisadriver = { + .id_table = sx_eisa_tbl, + .driver = { + .name = "sx", + .probe = sx_eisa_probe, + .remove = __devexit_p(sx_eisa_remove), + } +}; + +#endif + #ifdef CONFIG_PCI /******************************************************** * Setting bit 17 in the CNTRL register of the PLX 9050 * @@ -2386,233 +2615,270 @@ static void __exit sx_release_drivers(void) EEprom. As the bit is read/write for the CPU, we can fix it here, if we detect that it isn't set correctly. -- REW */ -static void fix_sx_pci (struct pci_dev *pdev, struct sx_board *board) +static void __devinit fix_sx_pci(struct pci_dev *pdev, struct sx_board *board) { unsigned int hwbase; void __iomem *rebase; unsigned int t; -#define CNTRL_REG_OFFSET 0x50 -#define CNTRL_REG_GOODVALUE 0x18260000 +#define CNTRL_REG_OFFSET 0x50 +#define CNTRL_REG_GOODVALUE 0x18260000 pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &hwbase); hwbase &= PCI_BASE_ADDRESS_MEM_MASK; rebase = ioremap(hwbase, 0x80); - t = readl (rebase + CNTRL_REG_OFFSET); + t = readl(rebase + CNTRL_REG_OFFSET); if (t != CNTRL_REG_GOODVALUE) { - printk (KERN_DEBUG "sx: performing cntrl reg fix: %08x -> %08x\n", t, CNTRL_REG_GOODVALUE); - writel (CNTRL_REG_GOODVALUE, rebase + CNTRL_REG_OFFSET); + printk(KERN_DEBUG "sx: performing cntrl reg fix: %08x -> " + "%08x\n", t, CNTRL_REG_GOODVALUE); + writel(CNTRL_REG_GOODVALUE, rebase + CNTRL_REG_OFFSET); } iounmap(rebase); } #endif - -static int __init sx_init(void) +static int __devinit sx_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { - int i; - int found = 0; - int eisa_slot; +#ifdef CONFIG_PCI struct sx_board *board; + unsigned int i, reg; + int retval = -EIO; -#ifdef CONFIG_PCI - struct pci_dev *pdev = NULL; - unsigned int tint; - unsigned short tshort; -#endif + mutex_lock(&sx_boards_lock); + i = sx_find_free_board(); + if (i == SX_NBOARDS) { + mutex_unlock(&sx_boards_lock); + goto err; + } + board = &boards[i]; + board->flags |= SX_BOARD_PRESENT; + mutex_unlock(&sx_boards_lock); - func_enter(); - sx_dprintk (SX_DEBUG_INIT, "Initing sx module... (sx_debug=%d)\n", sx_debug); - if (abs ((long) (&sx_debug) - sx_debug) < 0x10000) { - printk (KERN_WARNING "sx: sx_debug is an address, instead of a value. " - "Assuming -1.\n"); - printk ("(%p)\n", &sx_debug); - sx_debug=-1; + retval = pci_enable_device(pdev); + if (retval) + goto err_flag; + + board->flags &= ~SX_BOARD_TYPE; + board->flags |= (pdev->subsystem_vendor == 0x200) ? SX_PCI_BOARD : + SX_CFPCI_BOARD; + + /* CF boards use base address 3.... */ + reg = IS_CF_BOARD(board) ? 3 : 2; + retval = pci_request_region(pdev, reg, "sx"); + if (retval) { + dev_err(&pdev->dev, "can't request region\n"); + goto err_flag; + } + board->hw_base = pci_resource_start(pdev, reg); + board->base2 = + board->base = pci_iomap(pdev, reg, WINDOW_LEN(board)); + if (!board->base) { + dev_err(&pdev->dev, "ioremap failed\n"); + goto err_reg; } - if (misc_register(&sx_fw_device) < 0) { - printk(KERN_ERR "SX: Unable to register firmware loader driver.\n"); - return -EIO; + /* Most of the stuff on the CF board is offset by 0x18000 .... */ + if (IS_CF_BOARD(board)) + board->base += 0x18000; + + board->irq = pdev->irq; + + dev_info(&pdev->dev, "Got a specialix card: %p(%d) %x.\n", board->base, + board->irq, board->flags); + + if (!probe_sx(board)) { + retval = -EIO; + goto err_unmap; } -#ifdef CONFIG_PCI - while ((pdev = pci_find_device (PCI_VENDOR_ID_SPECIALIX, - PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, - pdev))) { - if (pci_enable_device(pdev)) - continue; + fix_sx_pci(pdev, board); - /* Specialix has a whole bunch of cards with - 0x2000 as the device ID. They say its because - the standard requires it. Stupid standard. */ - /* It seems that reading a word doesn't work reliably on 2.0. - Also, reading a non-aligned dword doesn't work. So we read the - whole dword at 0x2c and extract the word at 0x2e (SUBSYSTEM_ID) - ourselves */ - /* I don't know why the define doesn't work, constant 0x2c does --REW */ - pci_read_config_dword (pdev, 0x2c, &tint); - tshort = (tint >> 16) & 0xffff; - sx_dprintk (SX_DEBUG_PROBE, "Got a specialix card: %x.\n", tint); - /* sx_dprintk (SX_DEBUG_PROBE, "pdev = %d/%d (%x)\n", pdev, tint); */ - if ((tshort != 0x0200) && (tshort != 0x0300)) { - sx_dprintk (SX_DEBUG_PROBE, "But it's not an SX card (%d)...\n", - tshort); - continue; - } - board = &boards[found]; + pci_set_drvdata(pdev, board); - board->flags &= ~SX_BOARD_TYPE; - board->flags |= (tshort == 0x200)?SX_PCI_BOARD: - SX_CFPCI_BOARD; - - /* CF boards use base address 3.... */ - if (IS_CF_BOARD (board)) - board->hw_base = pci_resource_start (pdev, 3); - else - board->hw_base = pci_resource_start (pdev, 2); - board->base2 = - board->base = ioremap(board->hw_base, WINDOW_LEN (board)); - if (!board->base) { - printk(KERN_ERR "ioremap failed\n"); - /* XXX handle error */ - } + return 0; +err_unmap: + pci_iounmap(pdev, board->base); +err_reg: + pci_release_region(pdev, reg); +err_flag: + board->flags &= ~SX_BOARD_PRESENT; +err: + return retval; +#else + return -ENODEV; +#endif +} - /* Most of the stuff on the CF board is offset by - 0x18000 .... */ - if (IS_CF_BOARD (board)) board->base += 0x18000; +static void __devexit sx_pci_remove(struct pci_dev *pdev) +{ + struct sx_board *board = pci_get_drvdata(pdev); - board->irq = pdev->irq; + sx_remove_card(board, pdev); +} - sx_dprintk (SX_DEBUG_PROBE, "Got a specialix card: %x/%p(%d) %x.\n", - tint, boards[found].base, board->irq, board->flags); +/* Specialix has a whole bunch of cards with 0x2000 as the device ID. They say + its because the standard requires it. So check for SUBVENDOR_ID. */ +static struct pci_device_id sx_pci_tbl[] = { + { PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, + .subvendor = 0x0200,.subdevice = PCI_ANY_ID }, + { PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, + .subvendor = 0x0300,.subdevice = PCI_ANY_ID }, + { 0 } +}; - if (probe_sx (board)) { - found++; - fix_sx_pci (pdev, board); - } else - iounmap(board->base2); - } +MODULE_DEVICE_TABLE(pci, sx_pci_tbl); + +static struct pci_driver sx_pcidriver = { + .name = "sx", + .id_table = sx_pci_tbl, + .probe = sx_pci_probe, + .remove = __devexit_p(sx_pci_remove) +}; + +static int __init sx_init(void) +{ +#ifdef CONFIG_EISA + int retval1; +#endif +#ifdef CONFIG_ISA + struct sx_board *board; + unsigned int i; #endif + unsigned int found = 0; + int retval; - for (i=0;i<NR_SX_ADDRS;i++) { + func_enter(); + sx_dprintk(SX_DEBUG_INIT, "Initing sx module... (sx_debug=%d)\n", + sx_debug); + if (abs((long)(&sx_debug) - sx_debug) < 0x10000) { + printk(KERN_WARNING "sx: sx_debug is an address, instead of a " + "value. Assuming -1.\n(%p)\n", &sx_debug); + sx_debug = -1; + } + + if (misc_register(&sx_fw_device) < 0) { + printk(KERN_ERR "SX: Unable to register firmware loader " + "driver.\n"); + return -EIO; + } +#ifdef CONFIG_ISA + for (i = 0; i < NR_SX_ADDRS; i++) { board = &boards[found]; board->hw_base = sx_probe_addrs[i]; + board->hw_len = SX_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) + continue; board->base2 = - board->base = ioremap(board->hw_base, SX_WINDOW_LEN); + board->base = ioremap(board->hw_base, board->hw_len); + if (!board->base) + goto err_sx_reg; board->flags &= ~SX_BOARD_TYPE; - board->flags |= SX_ISA_BOARD; - board->irq = sx_irqmask?-1:0; + board->flags |= SX_ISA_BOARD; + board->irq = sx_irqmask ? -1 : 0; - if (probe_sx (board)) { + if (probe_sx(board)) { + board->flags |= SX_BOARD_PRESENT; found++; } else { iounmap(board->base); +err_sx_reg: + release_region(board->hw_base, board->hw_len); } } - for (i=0;i<NR_SI_ADDRS;i++) { + for (i = 0; i < NR_SI_ADDRS; i++) { board = &boards[found]; board->hw_base = si_probe_addrs[i]; + board->hw_len = SI2_ISA_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) + continue; board->base2 = - board->base = ioremap(board->hw_base, SI2_ISA_WINDOW_LEN); + board->base = ioremap(board->hw_base, board->hw_len); + if (!board->base) + goto err_si_reg; board->flags &= ~SX_BOARD_TYPE; - board->flags |= SI_ISA_BOARD; - board->irq = sx_irqmask ?-1:0; + board->flags |= SI_ISA_BOARD; + board->irq = sx_irqmask ? -1 : 0; - if (probe_si (board)) { + if (probe_si(board)) { + board->flags |= SX_BOARD_PRESENT; found++; } else { - iounmap (board->base); + iounmap(board->base); +err_si_reg: + release_region(board->hw_base, board->hw_len); } } - for (i=0;i<NR_SI1_ADDRS;i++) { + for (i = 0; i < NR_SI1_ADDRS; i++) { board = &boards[found]; board->hw_base = si1_probe_addrs[i]; + board->hw_len = SI1_ISA_WINDOW_LEN; + if (!request_region(board->hw_base, board->hw_len, "sx")) + continue; board->base2 = - board->base = ioremap(board->hw_base, SI1_ISA_WINDOW_LEN); + board->base = ioremap(board->hw_base, board->hw_len); + if (!board->base) + goto err_si1_reg; board->flags &= ~SX_BOARD_TYPE; - board->flags |= SI1_ISA_BOARD; - board->irq = sx_irqmask ?-1:0; + board->flags |= SI1_ISA_BOARD; + board->irq = sx_irqmask ? -1 : 0; - if (probe_si (board)) { + if (probe_si(board)) { + board->flags |= SX_BOARD_PRESENT; found++; } else { - iounmap (board->base); + iounmap(board->base); +err_si1_reg: + release_region(board->hw_base, board->hw_len); } } +#endif +#ifdef CONFIG_EISA + retval1 = eisa_driver_register(&sx_eisadriver); +#endif + retval = pci_register_driver(&sx_pcidriver); - sx_dprintk(SX_DEBUG_PROBE, "Probing for EISA cards\n"); - for(eisa_slot=0x1000; eisa_slot<0x10000; eisa_slot+=0x1000) - { - if((inb(eisa_slot+0xc80)==0x4d) && - (inb(eisa_slot+0xc81)==0x98)) - { - sx_dprintk(SX_DEBUG_PROBE, "%s : Signature found in EISA slot %d, Product %d Rev %d\n", - "XIO", (eisa_slot>>12), inb(eisa_slot+0xc82), inb(eisa_slot+0xc83)); - - board = &boards[found]; - board->eisa_base = eisa_slot; - board->flags &= ~SX_BOARD_TYPE; - board->flags |= SI_EISA_BOARD; - - board->hw_base = (((inb(0xc01+eisa_slot) << 8) + inb(0xc00+eisa_slot)) << 16); - board->base2 = - board->base = ioremap(board->hw_base, SI2_EISA_WINDOW_LEN); - - sx_dprintk(SX_DEBUG_PROBE, "IO hw_base address: %lx\n", board->hw_base); - sx_dprintk(SX_DEBUG_PROBE, "base: %p\n", board->base); - board->irq = inb(board->eisa_base+0xc02)>>4; - sx_dprintk(SX_DEBUG_PROBE, "IRQ: %d\n", board->irq); - - probe_si(board); - - found++; - } - } if (found) { - printk (KERN_INFO "sx: total of %d boards detected.\n", found); - } else { - misc_deregister(&sx_fw_device); + printk(KERN_INFO "sx: total of %d boards detected.\n", found); + retval = 0; + } else if (retval) { +#ifdef CONFIG_EISA + retval = retval1; + if (retval1) +#endif + misc_deregister(&sx_fw_device); } func_exit(); - return found?0:-EIO; + return retval; } - -static void __exit sx_exit (void) +static void __exit sx_exit(void) { - int i; - struct sx_board *board; + int i; func_enter(); - for (i = 0; i < SX_NBOARDS; i++) { - board = &boards[i]; - if (board->flags & SX_BOARD_INITIALIZED) { - sx_dprintk (SX_DEBUG_CLEANUP, "Cleaning up board at %p\n", board->base); - /* The board should stop messing with us. - (actually I mean the interrupt) */ - sx_reset (board); - if ((board->irq) && (board->flags & SX_IRQ_ALLOCATED)) - free_irq (board->irq, board); - - /* It is safe/allowed to del_timer a non-active timer */ - del_timer (& board->timer); - iounmap(board->base); - } - } +#ifdef CONFIG_EISA + eisa_driver_unregister(&sx_eisadriver); +#endif + pci_unregister_driver(&sx_pcidriver); + + for (i = 0; i < SX_NBOARDS; i++) + sx_remove_card(&boards[i], NULL); + if (misc_deregister(&sx_fw_device) < 0) { - printk (KERN_INFO "sx: couldn't deregister firmware loader device\n"); + printk(KERN_INFO "sx: couldn't deregister firmware loader " + "device\n"); } - sx_dprintk (SX_DEBUG_CLEANUP, "Cleaning up drivers (%d)\n", sx_initialized); + sx_dprintk(SX_DEBUG_CLEANUP, "Cleaning up drivers (%d)\n", + sx_initialized); if (sx_initialized) - sx_release_drivers (); + sx_release_drivers(); - kfree (sx_ports); + kfree(sx_ports); func_exit(); } module_init(sx_init); module_exit(sx_exit); - - diff --git a/drivers/char/sx.h b/drivers/char/sx.h index e01f83cbe29..432aad0a2dd 100644 --- a/drivers/char/sx.h +++ b/drivers/char/sx.h @@ -35,6 +35,7 @@ struct sx_board { void __iomem *base; void __iomem *base2; unsigned long hw_base; + resource_size_t hw_len; int eisa_base; int port_base; /* Number of the first port */ struct sx_port *ports; diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 645187b9141..3fa625db9e4 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -3060,7 +3060,7 @@ static int mgsl_ioctl_common(struct mgsl_struct *info, unsigned int cmd, unsigne * * Return Value: None */ -static void mgsl_set_termios(struct tty_struct *tty, struct termios *old_termios) +static void mgsl_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct mgsl_struct *info = (struct mgsl_struct *)tty->driver_data; unsigned long flags; @@ -4332,7 +4332,7 @@ static struct mgsl_struct* mgsl_allocate_device(void) { struct mgsl_struct *info; - info = (struct mgsl_struct *)kmalloc(sizeof(struct mgsl_struct), + info = kmalloc(sizeof(struct mgsl_struct), GFP_KERNEL); if (!info) { @@ -4405,6 +4405,8 @@ static int mgsl_init_tty(void) serial_driver->init_termios = tty_std_termios; serial_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + serial_driver->init_termios.c_ispeed = 9600; + serial_driver->init_termios.c_ospeed = 9600; serial_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(serial_driver, &mgsl_ops); if ((rc = tty_register_driver(serial_driver)) < 0) { diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index e4730a7312b..792c79c315e 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -151,7 +151,7 @@ static struct tty_driver *serial_driver; static int open(struct tty_struct *tty, struct file * filp); static void close(struct tty_struct *tty, struct file * filp); static void hangup(struct tty_struct *tty); -static void set_termios(struct tty_struct *tty, struct termios *old_termios); +static void set_termios(struct tty_struct *tty, struct ktermios *old_termios); static int write(struct tty_struct *tty, const unsigned char *buf, int count); static void put_char(struct tty_struct *tty, unsigned char ch); @@ -816,7 +816,7 @@ static void hangup(struct tty_struct *tty) wake_up_interruptible(&info->open_wait); } -static void set_termios(struct tty_struct *tty, struct termios *old_termios) +static void set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct slgt_info *info = tty->driver_data; unsigned long flags; @@ -3546,6 +3546,8 @@ static int __init slgt_init(void) serial_driver->init_termios = tty_std_termios; serial_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + serial_driver->init_termios.c_ispeed = 9600; + serial_driver->init_termios.c_ospeed = 9600; serial_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(serial_driver, &ops); if ((rc = tty_register_driver(serial_driver)) < 0) { diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 20a96ef250b..8f4d67afe5b 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -519,7 +519,7 @@ static struct tty_driver *serial_driver; static int open(struct tty_struct *tty, struct file * filp); static void close(struct tty_struct *tty, struct file * filp); static void hangup(struct tty_struct *tty); -static void set_termios(struct tty_struct *tty, struct termios *old_termios); +static void set_termios(struct tty_struct *tty, struct ktermios *old_termios); static int write(struct tty_struct *tty, const unsigned char *buf, int count); static void put_char(struct tty_struct *tty, unsigned char ch); @@ -918,7 +918,7 @@ static void hangup(struct tty_struct *tty) /* Set new termios settings */ -static void set_termios(struct tty_struct *tty, struct termios *old_termios) +static void set_termios(struct tty_struct *tty, struct ktermios *old_termios) { SLMP_INFO *info = (SLMP_INFO *)tty->driver_data; unsigned long flags; @@ -2730,7 +2730,7 @@ static int startup(SLMP_INFO * info) return 0; if (!info->tx_buf) { - info->tx_buf = (unsigned char *)kmalloc(info->max_frame_size, GFP_KERNEL); + info->tx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); if (!info->tx_buf) { printk(KERN_ERR"%s(%d):%s can't allocate transmit buffer\n", __FILE__,__LINE__,info->device_name); @@ -3798,7 +3798,7 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev) { SLMP_INFO *info; - info = (SLMP_INFO *)kmalloc(sizeof(SLMP_INFO), + info = kmalloc(sizeof(SLMP_INFO), GFP_KERNEL); if (!info) { @@ -4034,6 +4034,8 @@ static int __init synclinkmp_init(void) serial_driver->init_termios = tty_std_termios; serial_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + serial_driver->init_termios.c_ispeed = 9600; + serial_driver->init_termios.c_ospeed = 9600; serial_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(serial_driver, &ops); if ((rc = tty_register_driver(serial_driver)) < 0) { diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 05810c8d20b..7fd3cd5ddf2 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -41,7 +41,34 @@ #include <asm/irq_regs.h> /* Whether we react on sysrq keys or just ignore them */ -int sysrq_enabled = 1; +int __read_mostly __sysrq_enabled = 1; + +static int __read_mostly sysrq_always_enabled; + +int sysrq_on(void) +{ + return __sysrq_enabled || sysrq_always_enabled; +} + +/* + * A value of 1 means 'all', other nonzero values are an op mask: + */ +static inline int sysrq_on_mask(int mask) +{ + return sysrq_always_enabled || __sysrq_enabled == 1 || + (__sysrq_enabled & mask); +} + +static int __init sysrq_always_enabled_setup(char *str) +{ + sysrq_always_enabled = 1; + printk(KERN_INFO "debug: sysrq always enabled.\n"); + + return 1; +} + +__setup("sysrq_always_enabled", sysrq_always_enabled_setup); + static void sysrq_handle_loglevel(int key, struct tty_struct *tty) { @@ -188,7 +215,7 @@ static void sysrq_handle_showstate_blocked(int key, struct tty_struct *tty) } static struct sysrq_key_op sysrq_showstate_blocked_op = { .handler = sysrq_handle_showstate_blocked, - .help_msg = "showBlockedTasks", + .help_msg = "shoW-blocked-tasks", .action_msg = "Show Blocked State", .enable_mask = SYSRQ_ENABLE_DUMP, }; @@ -288,15 +315,16 @@ static struct sysrq_key_op *sysrq_key_table[36] = { &sysrq_loglevel_op, /* 9 */ /* - * Don't use for system provided sysrqs, it is handled specially on - * sparc and will never arrive + * a: Don't use for system provided sysrqs, it is handled specially on + * sparc and will never arrive. */ NULL, /* a */ &sysrq_reboot_op, /* b */ - &sysrq_crashdump_op, /* c */ + &sysrq_crashdump_op, /* c & ibm_emac driver debug */ &sysrq_showlocks_op, /* d */ &sysrq_term_op, /* e */ &sysrq_moom_op, /* f */ + /* g: May be registered by ppc for kgdb */ NULL, /* g */ NULL, /* h */ &sysrq_kill_op, /* i */ @@ -305,18 +333,19 @@ static struct sysrq_key_op *sysrq_key_table[36] = { NULL, /* l */ &sysrq_showmem_op, /* m */ &sysrq_unrt_op, /* n */ - /* This will often be registered as 'Off' at init time */ + /* o: This will often be registered as 'Off' at init time */ NULL, /* o */ &sysrq_showregs_op, /* p */ NULL, /* q */ - &sysrq_unraw_op, /* r */ + &sysrq_unraw_op, /* r */ &sysrq_sync_op, /* s */ &sysrq_showstate_op, /* t */ &sysrq_mountro_op, /* u */ - /* May be assigned at init time by SMP VOYAGER */ + /* v: May be registered at init time by SMP VOYAGER */ NULL, /* v */ - NULL, /* w */ - &sysrq_showstate_blocked_op, /* x */ + &sysrq_showstate_blocked_op, /* w */ + /* x: May be registered on ppc/powerpc for xmon */ + NULL, /* x */ NULL, /* y */ NULL /* z */ }; @@ -379,8 +408,7 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask) * Should we check for enabled operations (/proc/sysrq-trigger * should not) and is the invoked operation enabled? */ - if (!check_mask || sysrq_enabled == 1 || - (sysrq_enabled & op_p->enable_mask)) { + if (!check_mask || sysrq_on_mask(op_p->enable_mask)) { printk("%s\n", op_p->action_msg); console_loglevel = orig_log_level; op_p->handler(key, tty); @@ -414,9 +442,8 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask) */ void handle_sysrq(int key, struct tty_struct *tty) { - if (!sysrq_enabled) - return; - __handle_sysrq(key, tty, 1); + if (sysrq_on()) + __handle_sysrq(key, tty, 1); } EXPORT_SYMBOL(handle_sysrq); diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c index bb1bad4c18f..4c431cb7cf1 100644 --- a/drivers/char/tb0219.c +++ b/drivers/char/tb0219.c @@ -164,7 +164,7 @@ static ssize_t tanbac_tb0219_read(struct file *file, char __user *buf, size_t le unsigned int minor; char value; - minor = iminor(file->f_dentry->d_inode); + minor = iminor(file->f_path.dentry->d_inode); switch (minor) { case 0: value = get_led(); @@ -200,7 +200,7 @@ static ssize_t tanbac_tb0219_write(struct file *file, const char __user *data, int retval = 0; char c; - minor = iminor(file->f_dentry->d_inode); + minor = iminor(file->f_path.dentry->d_inode); switch (minor) { case 0: type = TYPE_LED; diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c index 9df0ca1be0e..47fb20f6969 100644 --- a/drivers/char/tipar.c +++ b/drivers/char/tipar.c @@ -285,7 +285,7 @@ static ssize_t tipar_write (struct file *file, const char __user *buf, size_t count, loff_t * ppos) { - unsigned int minor = iminor(file->f_dentry->d_inode) - TIPAR_MINOR; + unsigned int minor = iminor(file->f_path.dentry->d_inode) - TIPAR_MINOR; ssize_t n; parport_claim_or_block(table[minor].dev); @@ -313,7 +313,7 @@ static ssize_t tipar_read(struct file *file, char __user *buf, size_t count, loff_t * ppos) { int b = 0; - unsigned int minor = iminor(file->f_dentry->d_inode) - TIPAR_MINOR; + unsigned int minor = iminor(file->f_path.dentry->d_inode) - TIPAR_MINOR; ssize_t retval = 0; ssize_t n = 0; diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c index 244d30a03fe..4fac2bdf621 100644 --- a/drivers/char/tlclk.c +++ b/drivers/char/tlclk.c @@ -186,6 +186,7 @@ static int got_event; /* if events processing have been done */ static void switchover_timeout(unsigned long data); static struct timer_list switchover_timer = TIMER_INITIALIZER(switchover_timeout , 0, 0); +static unsigned long tlclk_timer_data; static struct tlclk_alarms *alarm_events; @@ -197,10 +198,19 @@ static irqreturn_t tlclk_interrupt(int irq, void *dev_id); static DECLARE_WAIT_QUEUE_HEAD(wq); +static unsigned long useflags; +static DEFINE_MUTEX(tlclk_mutex); + static int tlclk_open(struct inode *inode, struct file *filp) { int result; + if (test_and_set_bit(0, &useflags)) + return -EBUSY; + /* this legacy device is always one per system and it doesn't + * know how to handle multiple concurrent clients. + */ + /* Make sure there is no interrupt pending while * initialising interrupt handler */ inb(TLCLK_REG6); @@ -221,6 +231,7 @@ static int tlclk_open(struct inode *inode, struct file *filp) static int tlclk_release(struct inode *inode, struct file *filp) { free_irq(telclk_interrupt, tlclk_interrupt); + clear_bit(0, &useflags); return 0; } @@ -230,26 +241,25 @@ static ssize_t tlclk_read(struct file *filp, char __user *buf, size_t count, { if (count < sizeof(struct tlclk_alarms)) return -EIO; + if (mutex_lock_interruptible(&tlclk_mutex)) + return -EINTR; + wait_event_interruptible(wq, got_event); - if (copy_to_user(buf, alarm_events, sizeof(struct tlclk_alarms))) + if (copy_to_user(buf, alarm_events, sizeof(struct tlclk_alarms))) { + mutex_unlock(&tlclk_mutex); return -EFAULT; + } memset(alarm_events, 0, sizeof(struct tlclk_alarms)); got_event = 0; + mutex_unlock(&tlclk_mutex); return sizeof(struct tlclk_alarms); } -static ssize_t tlclk_write(struct file *filp, const char __user *buf, size_t count, - loff_t *f_pos) -{ - return 0; -} - static const struct file_operations tlclk_fops = { .read = tlclk_read, - .write = tlclk_write, .open = tlclk_open, .release = tlclk_release, @@ -540,7 +550,7 @@ static ssize_t store_select_amcb1_transmit_clock(struct device *d, SET_PORT_BITS(TLCLK_REG3, 0xf8, 0x7); switch (val) { case CLK_8_592MHz: - SET_PORT_BITS(TLCLK_REG0, 0xfc, 1); + SET_PORT_BITS(TLCLK_REG0, 0xfc, 2); break; case CLK_11_184MHz: SET_PORT_BITS(TLCLK_REG0, 0xfc, 0); @@ -549,7 +559,7 @@ static ssize_t store_select_amcb1_transmit_clock(struct device *d, SET_PORT_BITS(TLCLK_REG0, 0xfc, 3); break; case CLK_44_736MHz: - SET_PORT_BITS(TLCLK_REG0, 0xfc, 2); + SET_PORT_BITS(TLCLK_REG0, 0xfc, 1); break; } } else @@ -807,8 +817,6 @@ static int __init tlclk_init(void) &tlclk_attribute_group); if (ret) { printk(KERN_ERR "tlclk: failed to create sysfs device attributes.\n"); - sysfs_remove_group(&tlclk_device->dev.kobj, - &tlclk_attribute_group); goto out5; } @@ -841,11 +849,13 @@ static void __exit tlclk_cleanup(void) static void switchover_timeout(unsigned long data) { - if ((data & 1)) { - if ((inb(TLCLK_REG1) & 0x08) != (data & 0x08)) + unsigned long flags = *(unsigned long *) data; + + if ((flags & 1)) { + if ((inb(TLCLK_REG1) & 0x08) != (flags & 0x08)) alarm_events->switchover_primary++; } else { - if ((inb(TLCLK_REG1) & 0x08) != (data & 0x08)) + if ((inb(TLCLK_REG1) & 0x08) != (flags & 0x08)) alarm_events->switchover_secondary++; } @@ -903,8 +913,9 @@ static irqreturn_t tlclk_interrupt(int irq, void *dev_id) /* TIMEOUT in ~10ms */ switchover_timer.expires = jiffies + msecs_to_jiffies(10); - switchover_timer.data = inb(TLCLK_REG1); - add_timer(&switchover_timer); + tlclk_timer_data = inb(TLCLK_REG1); + switchover_timer.data = (unsigned long) &tlclk_timer_data; + mod_timer(&switchover_timer, switchover_timer.expires); } else { got_event = 1; wake_up(&wq); diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c index a611972024e..7fca5f470be 100644 --- a/drivers/char/tpm/tpm_bios.c +++ b/drivers/char/tpm/tpm_bios.c @@ -372,10 +372,8 @@ static int read_log(struct tpm_bios_log *log) } /* Find TCPA entry in RSDT (ACPI_LOGICAL_ADDRESSING) */ - status = acpi_get_firmware_table(ACPI_TCPA_SIG, 1, - ACPI_LOGICAL_ADDRESSING, - (struct acpi_table_header **) - &buff); + status = acpi_get_table(ACPI_SIG_TCPA, 1, + (struct acpi_table_header **)&buff); if (ACPI_FAILURE(status)) { printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n", @@ -409,7 +407,7 @@ static int read_log(struct tpm_bios_log *log) log->bios_event_log_end = log->bios_event_log + len; - acpi_os_map_memory(start, len, (void *) &virt); + virt = acpi_os_map_memory(start, len); memcpy(log->bios_event_log, virt, len); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index b3cfc8bc613..47a6eacb10b 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -109,13 +109,15 @@ #define TTY_PARANOIA_CHECK 1 #define CHECK_TTY_COUNT 1 -struct termios tty_std_termios = { /* for the benefit of tty drivers */ +struct ktermios tty_std_termios = { /* for the benefit of tty drivers */ .c_iflag = ICRNL | IXON, .c_oflag = OPOST | ONLCR, .c_cflag = B38400 | CS8 | CREAD | HUPCL, .c_lflag = ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHOCTL | ECHOKE | IEXTEN, - .c_cc = INIT_C_CC + .c_cc = INIT_C_CC, + .c_ispeed = 38400, + .c_ospeed = 38400 }; EXPORT_SYMBOL(tty_std_termios); @@ -126,7 +128,7 @@ EXPORT_SYMBOL(tty_std_termios); LIST_HEAD(tty_drivers); /* linked list of tty drivers */ -/* Semaphore to protect creating and releasing a tty. This is shared with +/* Mutex to protect creating and releasing a tty. This is shared with vt.c for deeply disgusting hack reasons */ DEFINE_MUTEX(tty_mutex); EXPORT_SYMBOL(tty_mutex); @@ -250,7 +252,7 @@ static int check_tty_count(struct tty_struct *tty, const char *routine) "!= #fd's(%d) in %s\n", tty->name, tty->count, count, routine); return count; - } + } #endif return 0; } @@ -259,18 +261,6 @@ static int check_tty_count(struct tty_struct *tty, const char *routine) * Tty buffer allocation management */ - -/** - * tty_buffer_free_all - free buffers used by a tty - * @tty: tty to free from - * - * Remove all the buffers pending on a tty whether queued with data - * or in the free ring. Must be called when the tty is no longer in use - * - * Locking: none - */ - - /** * tty_buffer_free_all - free buffers used by a tty * @tty: tty to free from @@ -614,7 +604,7 @@ EXPORT_SYMBOL_GPL(tty_prepare_flip_string_flags); * they are not on hot paths so a little discipline won't do * any harm. * - * Locking: takes termios_sem + * Locking: takes termios_mutex */ static void tty_set_termios_ldisc(struct tty_struct *tty, int num) @@ -915,7 +905,7 @@ static void tty_ldisc_enable(struct tty_struct *tty) * context. * * Locking: takes tty_ldisc_lock. - * called functions take termios_sem + * called functions take termios_mutex */ static int tty_set_ldisc(struct tty_struct *tty, int ldisc) @@ -1251,6 +1241,22 @@ void tty_ldisc_flush(struct tty_struct *tty) } EXPORT_SYMBOL_GPL(tty_ldisc_flush); + +/** + * tty_reset_termios - reset terminal state + * @tty: tty to reset + * + * Restore a terminal to the driver default state + */ + +static void tty_reset_termios(struct tty_struct *tty) +{ + mutex_lock(&tty->termios_mutex); + *tty->termios = tty->driver->init_termios; + tty->termios->c_ispeed = tty_termios_input_baud_rate(tty->termios); + tty->termios->c_ospeed = tty_termios_baud_rate(tty->termios); + mutex_unlock(&tty->termios_mutex); +} /** * do_tty_hangup - actual handler for hangup events @@ -1267,12 +1273,12 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush); * * Locking: * BKL - * redirect lock for undoing redirection - * file list lock for manipulating list of ttys - * tty_ldisc_lock from called functions - * termios_sem resetting termios data - * tasklist_lock to walk task list for hangup event - * + * redirect lock for undoing redirection + * file list lock for manipulating list of ttys + * tty_ldisc_lock from called functions + * termios_mutex resetting termios data + * tasklist_lock to walk task list for hangup event + * ->siglock to protect ->signal/->sighand */ static void do_tty_hangup(struct work_struct *work) { @@ -1339,11 +1345,7 @@ static void do_tty_hangup(struct work_struct *work) * N_TTY. */ if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS) - { - mutex_lock(&tty->termios_mutex); - *tty->termios = tty->driver->init_termios; - mutex_unlock(&tty->termios_mutex); - } + tty_reset_termios(tty); /* Defer ldisc switch */ /* tty_deferred_ldisc_switch(N_TTY); @@ -1354,14 +1356,18 @@ static void do_tty_hangup(struct work_struct *work) read_lock(&tasklist_lock); if (tty->session > 0) { do_each_task_pid(tty->session, PIDTYPE_SID, p) { + spin_lock_irq(&p->sighand->siglock); if (p->signal->tty == tty) p->signal->tty = NULL; - if (!p->signal->leader) + if (!p->signal->leader) { + spin_unlock_irq(&p->sighand->siglock); continue; - group_send_sig_info(SIGHUP, SEND_SIG_PRIV, p); - group_send_sig_info(SIGCONT, SEND_SIG_PRIV, p); + } + __group_send_sig_info(SIGHUP, SEND_SIG_PRIV, p); + __group_send_sig_info(SIGCONT, SEND_SIG_PRIV, p); if (tty->pgrp > 0) p->signal->tty_old_pgrp = tty->pgrp; + spin_unlock_irq(&p->sighand->siglock); } while_each_task_pid(tty->session, PIDTYPE_SID, p); } read_unlock(&tasklist_lock); @@ -1453,6 +1459,14 @@ int tty_hung_up_p(struct file * filp) EXPORT_SYMBOL(tty_hung_up_p); +static void session_clear_tty(pid_t session) +{ + struct task_struct *p; + do_each_task_pid(session, PIDTYPE_SID, p) { + proc_clear_tty(p); + } while_each_task_pid(session, PIDTYPE_SID, p); +} + /** * disassociate_ctty - disconnect controlling tty * @on_exit: true if exiting so need to "hang up" the session @@ -1469,31 +1483,35 @@ EXPORT_SYMBOL(tty_hung_up_p); * The argument on_exit is set to 1 if called when a process is * exiting; it is 0 if called by the ioctl TIOCNOTTY. * - * Locking: tty_mutex is taken to protect current->signal->tty + * Locking: * BKL is taken for hysterical raisins - * Tasklist lock is taken (under tty_mutex) to walk process - * lists for the session. + * tty_mutex is taken to protect tty + * ->siglock is taken to protect ->signal/->sighand + * tasklist_lock is taken to walk process list for sessions + * ->siglock is taken to protect ->signal/->sighand */ void disassociate_ctty(int on_exit) { struct tty_struct *tty; - struct task_struct *p; int tty_pgrp = -1; + int session; lock_kernel(); mutex_lock(&tty_mutex); - tty = current->signal->tty; + tty = get_current_tty(); if (tty) { tty_pgrp = tty->pgrp; mutex_unlock(&tty_mutex); + /* XXX: here we race, there is nothing protecting tty */ if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY) tty_vhangup(tty); } else { - if (current->signal->tty_old_pgrp) { - kill_pg(current->signal->tty_old_pgrp, SIGHUP, on_exit); - kill_pg(current->signal->tty_old_pgrp, SIGCONT, on_exit); + pid_t old_pgrp = current->signal->tty_old_pgrp; + if (old_pgrp) { + kill_pg(old_pgrp, SIGHUP, on_exit); + kill_pg(old_pgrp, SIGCONT, on_exit); } mutex_unlock(&tty_mutex); unlock_kernel(); @@ -1505,19 +1523,29 @@ void disassociate_ctty(int on_exit) kill_pg(tty_pgrp, SIGCONT, on_exit); } - /* Must lock changes to tty_old_pgrp */ - mutex_lock(&tty_mutex); + spin_lock_irq(¤t->sighand->siglock); current->signal->tty_old_pgrp = 0; - tty->session = 0; - tty->pgrp = -1; + session = process_session(current); + spin_unlock_irq(¤t->sighand->siglock); + + mutex_lock(&tty_mutex); + /* It is possible that do_tty_hangup has free'd this tty */ + tty = get_current_tty(); + if (tty) { + tty->session = 0; + tty->pgrp = 0; + } else { +#ifdef TTY_DEBUG_HANGUP + printk(KERN_DEBUG "error attempted to write to tty [0x%p]" + " = NULL", tty); +#endif + } + mutex_unlock(&tty_mutex); /* Now clear signal->tty under the lock */ read_lock(&tasklist_lock); - do_each_task_pid(current->signal->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(current->signal->session, PIDTYPE_SID, p); + session_clear_tty(session); read_unlock(&tasklist_lock); - mutex_unlock(&tty_mutex); unlock_kernel(); } @@ -1615,7 +1643,7 @@ static ssize_t tty_read(struct file * file, char __user * buf, size_t count, struct tty_ldisc *ld; tty = (struct tty_struct *)file->private_data; - inode = file->f_dentry->d_inode; + inode = file->f_path.dentry->d_inode; if (tty_paranoia_check(tty, inode, "tty_read")) return -EIO; if (!tty || (test_bit(TTY_IO_ERROR, &tty->flags))) @@ -1718,7 +1746,7 @@ static inline ssize_t do_tty_write( cond_resched(); } if (written) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; inode->i_mtime = current_fs_time(inode->i_sb); ret = written; } @@ -1749,7 +1777,7 @@ static ssize_t tty_write(struct file * file, const char __user * buf, size_t cou loff_t *ppos) { struct tty_struct * tty; - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; ssize_t ret; struct tty_ldisc *ld; @@ -1856,8 +1884,8 @@ static int init_dev(struct tty_driver *driver, int idx, struct tty_struct **ret_tty) { struct tty_struct *tty, *o_tty; - struct termios *tp, **tp_loc, *o_tp, **o_tp_loc; - struct termios *ltp, **ltp_loc, *o_ltp, **o_ltp_loc; + struct ktermios *tp, **tp_loc, *o_tp, **o_tp_loc; + struct ktermios *ltp, **ltp_loc, *o_ltp, **o_ltp_loc; int retval = 0; /* check whether we're reopening an existing tty */ @@ -1904,7 +1932,7 @@ static int init_dev(struct tty_driver *driver, int idx, } if (!*tp_loc) { - tp = (struct termios *) kmalloc(sizeof(struct termios), + tp = (struct ktermios *) kmalloc(sizeof(struct ktermios), GFP_KERNEL); if (!tp) goto free_mem_out; @@ -1912,11 +1940,11 @@ static int init_dev(struct tty_driver *driver, int idx, } if (!*ltp_loc) { - ltp = (struct termios *) kmalloc(sizeof(struct termios), + ltp = (struct ktermios *) kmalloc(sizeof(struct ktermios), GFP_KERNEL); if (!ltp) goto free_mem_out; - memset(ltp, 0, sizeof(struct termios)); + memset(ltp, 0, sizeof(struct ktermios)); } if (driver->type == TTY_DRIVER_TYPE_PTY) { @@ -1937,19 +1965,19 @@ static int init_dev(struct tty_driver *driver, int idx, } if (!*o_tp_loc) { - o_tp = (struct termios *) - kmalloc(sizeof(struct termios), GFP_KERNEL); + o_tp = (struct ktermios *) + kmalloc(sizeof(struct ktermios), GFP_KERNEL); if (!o_tp) goto free_mem_out; *o_tp = driver->other->init_termios; } if (!*o_ltp_loc) { - o_ltp = (struct termios *) - kmalloc(sizeof(struct termios), GFP_KERNEL); + o_ltp = (struct ktermios *) + kmalloc(sizeof(struct ktermios), GFP_KERNEL); if (!o_ltp) goto free_mem_out; - memset(o_ltp, 0, sizeof(struct termios)); + memset(o_ltp, 0, sizeof(struct ktermios)); } /* @@ -1988,6 +2016,9 @@ static int init_dev(struct tty_driver *driver, int idx, *ltp_loc = ltp; tty->termios = *tp_loc; tty->termios_locked = *ltp_loc; + /* Compatibility until drivers always set this */ + tty->termios->c_ispeed = tty_termios_input_baud_rate(tty->termios); + tty->termios->c_ospeed = tty_termios_baud_rate(tty->termios); driver->refcount++; tty->count++; @@ -2090,7 +2121,7 @@ release_mem_out: static void release_mem(struct tty_struct *tty, int idx) { struct tty_struct *o_tty; - struct termios *tp; + struct ktermios *tp; int devpts = tty->driver->flags & TTY_DRIVER_DEVPTS_MEM; if ((o_tty = tty->link) != NULL) { @@ -2156,7 +2187,7 @@ static void release_dev(struct file * filp) unsigned long flags; tty = (struct tty_struct *)filp->private_data; - if (tty_paranoia_check(tty, filp->f_dentry->d_inode, "release_dev")) + if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "release_dev")) return; check_tty_count(tty, "release_dev"); @@ -2337,16 +2368,10 @@ static void release_dev(struct file * filp) * tty. */ if (tty_closing || o_tty_closing) { - struct task_struct *p; - read_lock(&tasklist_lock); - do_each_task_pid(tty->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(tty->session, PIDTYPE_SID, p); + session_clear_tty(tty->session); if (o_tty) - do_each_task_pid(o_tty->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(o_tty->session, PIDTYPE_SID, p); + session_clear_tty(o_tty->session); read_unlock(&tasklist_lock); } @@ -2443,9 +2468,9 @@ static void release_dev(struct file * filp) * The termios state of a pty is reset on first open so that * settings don't persist across reuse. * - * Locking: tty_mutex protects current->signal->tty, get_tty_driver and - * init_dev work. tty->count should protect the rest. - * task_lock is held to update task details for sessions + * Locking: tty_mutex protects tty, get_tty_driver and init_dev work. + * tty->count should protect the rest. + * ->siglock protects ->signal/->sighand */ static int tty_open(struct inode * inode, struct file * filp) @@ -2467,12 +2492,13 @@ retry_open: mutex_lock(&tty_mutex); if (device == MKDEV(TTYAUX_MAJOR,0)) { - if (!current->signal->tty) { + tty = get_current_tty(); + if (!tty) { mutex_unlock(&tty_mutex); return -ENXIO; } - driver = current->signal->tty->driver; - index = current->signal->tty->index; + driver = tty->driver; + index = tty->index; filp->f_flags |= O_NONBLOCK; /* Don't let /dev/tty block */ /* noctty = 1; */ goto got_driver; @@ -2547,17 +2573,16 @@ got_driver: filp->f_op = &tty_fops; goto retry_open; } + + mutex_lock(&tty_mutex); + spin_lock_irq(¤t->sighand->siglock); if (!noctty && current->signal->leader && !current->signal->tty && - tty->session == 0) { - task_lock(current); - current->signal->tty = tty; - task_unlock(current); - current->signal->tty_old_pgrp = 0; - tty->session = current->signal->session; - tty->pgrp = process_group(current); - } + tty->session == 0) + __proc_set_tty(current, tty); + spin_unlock_irq(¤t->sighand->siglock); + mutex_unlock(&tty_mutex); return 0; } @@ -2672,7 +2697,7 @@ static unsigned int tty_poll(struct file * filp, poll_table * wait) int ret = 0; tty = (struct tty_struct *)filp->private_data; - if (tty_paranoia_check(tty, filp->f_dentry->d_inode, "tty_poll")) + if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_poll")) return 0; ld = tty_ldisc_ref_wait(tty); @@ -2688,7 +2713,7 @@ static int tty_fasync(int fd, struct file * filp, int on) int retval; tty = (struct tty_struct *)filp->private_data; - if (tty_paranoia_check(tty, filp->f_dentry->d_inode, "tty_fasync")) + if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, "tty_fasync")) return 0; retval = fasync_helper(fd, filp, on, &tty->fasync); @@ -2747,7 +2772,7 @@ static int tiocsti(struct tty_struct *tty, char __user *p) * * Copies the kernel idea of the window size into the user buffer. * - * Locking: tty->termios_sem is taken to ensure the winsize data + * Locking: tty->termios_mutex is taken to ensure the winsize data * is consistent. */ @@ -2774,8 +2799,8 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user * arg) * Locking: * Called function use the console_sem is used to ensure we do * not try and resize the console twice at once. - * The tty->termios_sem is used to ensure we don't double - * resize and get confused. Lock order - tty->termios.sem before + * The tty->termios_mutex is used to ensure we don't double + * resize and get confused. Lock order - tty->termios_mutex before * console sem */ @@ -2880,25 +2905,28 @@ static int fionbio(struct file *file, int __user *p) * leader to set this tty as the controlling tty for the session. * * Locking: - * Takes tasklist lock internally to walk sessions - * Takes task_lock() when updating signal->tty * Takes tty_mutex() to protect tty instance - * + * Takes tasklist_lock internally to walk sessions + * Takes ->siglock() when updating signal->tty */ static int tiocsctty(struct tty_struct *tty, int arg) { - struct task_struct *p; - + int ret = 0; if (current->signal->leader && - (current->signal->session == tty->session)) - return 0; + (process_session(current) == tty->session)) + return ret; + + mutex_lock(&tty_mutex); /* * The process must be a session leader and * not have a controlling tty already. */ - if (!current->signal->leader || current->signal->tty) - return -EPERM; + if (!current->signal->leader || current->signal->tty) { + ret = -EPERM; + goto unlock; + } + if (tty->session > 0) { /* * This tty is already the controlling @@ -2908,24 +2936,18 @@ static int tiocsctty(struct tty_struct *tty, int arg) /* * Steal it away */ - read_lock(&tasklist_lock); - do_each_task_pid(tty->session, PIDTYPE_SID, p) { - p->signal->tty = NULL; - } while_each_task_pid(tty->session, PIDTYPE_SID, p); + session_clear_tty(tty->session); read_unlock(&tasklist_lock); - } else - return -EPERM; + } else { + ret = -EPERM; + goto unlock; + } } - mutex_lock(&tty_mutex); - task_lock(current); - current->signal->tty = tty; - task_unlock(current); + proc_set_tty(current, tty); +unlock: mutex_unlock(&tty_mutex); - current->signal->tty_old_pgrp = 0; - tty->session = current->signal->session; - tty->pgrp = process_group(current); - return 0; + return ret; } /** @@ -2937,7 +2959,7 @@ static int tiocsctty(struct tty_struct *tty, int arg) * Obtain the process group of the tty. If there is no process group * return an error. * - * Locking: none. Reference to ->signal->tty is safe. + * Locking: none. Reference to current->signal->tty is safe. */ static int tiocgpgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) @@ -2974,13 +2996,13 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t return retval; if (!current->signal->tty || (current->signal->tty != real_tty) || - (real_tty->session != current->signal->session)) + (real_tty->session != process_session(current))) return -ENOTTY; if (get_user(pgrp, p)) return -EFAULT; if (pgrp < 0) return -EINVAL; - if (session_of_pgrp(pgrp) != current->signal->session) + if (session_of_pgrp(pgrp) != process_session(current)) return -EPERM; real_tty->pgrp = pgrp; return 0; @@ -2995,7 +3017,7 @@ static int tiocspgrp(struct tty_struct *tty, struct tty_struct *real_tty, pid_t * Obtain the session id of the tty. If there is no session * return an error. * - * Locking: none. Reference to ->signal->tty is safe. + * Locking: none. Reference to current->signal->tty is safe. */ static int tiocgsid(struct tty_struct *tty, struct tty_struct *real_tty, pid_t __user *p) @@ -3214,14 +3236,11 @@ int tty_ioctl(struct inode * inode, struct file * file, clear_bit(TTY_EXCLUSIVE, &tty->flags); return 0; case TIOCNOTTY: - /* FIXME: taks lock or tty_mutex ? */ if (current->signal->tty != tty) return -ENOTTY; if (current->signal->leader) disassociate_ctty(0); - task_lock(current); - current->signal->tty = NULL; - task_unlock(current); + proc_clear_tty(current); return 0; case TIOCSCTTY: return tiocsctty(tty, arg); @@ -3316,18 +3335,13 @@ static void __do_SAK(struct work_struct *work) int session; int i; struct file *filp; - struct tty_ldisc *disc; struct fdtable *fdt; if (!tty) return; - session = tty->session; + session = tty->session; - /* We don't want an ldisc switch during this */ - disc = tty_ldisc_ref(tty); - if (disc && disc->flush_buffer) - disc->flush_buffer(tty); - tty_ldisc_deref(disc); + tty_ldisc_flush(tty); if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty); @@ -3336,7 +3350,7 @@ static void __do_SAK(struct work_struct *work) /* Kill the entire session */ do_each_task_pid(session, PIDTYPE_SID, p) { printk(KERN_NOTICE "SAK: killed process %d" - " (%s): p->signal->session==tty->session\n", + " (%s): process_session(p)==tty->session\n", p->pid, p->comm); send_sig(SIGKILL, p, 1); } while_each_task_pid(session, PIDTYPE_SID, p); @@ -3346,7 +3360,7 @@ static void __do_SAK(struct work_struct *work) do_each_thread(g, p) { if (p->signal->tty == tty) { printk(KERN_NOTICE "SAK: killed process %d" - " (%s): p->signal->session==tty->session\n", + " (%s): process_session(p)==tty->session\n", p->pid, p->comm); send_sig(SIGKILL, p, 1); continue; @@ -3456,84 +3470,6 @@ static void flush_to_ldisc(struct work_struct *work) tty_ldisc_deref(disc); } -/* - * Routine which returns the baud rate of the tty - * - * Note that the baud_table needs to be kept in sync with the - * include/asm/termbits.h file. - */ -static int baud_table[] = { - 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, - 9600, 19200, 38400, 57600, 115200, 230400, 460800, -#ifdef __sparc__ - 76800, 153600, 307200, 614400, 921600 -#else - 500000, 576000, 921600, 1000000, 1152000, 1500000, 2000000, - 2500000, 3000000, 3500000, 4000000 -#endif -}; - -static int n_baud_table = ARRAY_SIZE(baud_table); - -/** - * tty_termios_baud_rate - * @termios: termios structure - * - * Convert termios baud rate data into a speed. This should be called - * with the termios lock held if this termios is a terminal termios - * structure. May change the termios data. - * - * Locking: none - */ - -int tty_termios_baud_rate(struct termios *termios) -{ - unsigned int cbaud; - - cbaud = termios->c_cflag & CBAUD; - - if (cbaud & CBAUDEX) { - cbaud &= ~CBAUDEX; - - if (cbaud < 1 || cbaud + 15 > n_baud_table) - termios->c_cflag &= ~CBAUDEX; - else - cbaud += 15; - } - return baud_table[cbaud]; -} - -EXPORT_SYMBOL(tty_termios_baud_rate); - -/** - * tty_get_baud_rate - get tty bit rates - * @tty: tty to query - * - * Returns the baud rate as an integer for this terminal. The - * termios lock must be held by the caller and the terminal bit - * flags may be updated. - * - * Locking: none - */ - -int tty_get_baud_rate(struct tty_struct *tty) -{ - int baud = tty_termios_baud_rate(tty->termios); - - if (baud == 38400 && tty->alt_speed) { - if (!tty->warned) { - printk(KERN_WARNING "Use of setserial/setrocket to " - "set SPD_* flags is deprecated\n"); - tty->warned = 1; - } - baud = tty->alt_speed; - } - - return baud; -} - -EXPORT_SYMBOL(tty_get_baud_rate); - /** * tty_flip_buffer_push - terminal * @tty: tty to push @@ -3756,8 +3692,8 @@ int tty_register_driver(struct tty_driver *driver) if (p) { driver->ttys = (struct tty_struct **)p; - driver->termios = (struct termios **)(p + driver->num); - driver->termios_locked = (struct termios **)(p + driver->num * 2); + driver->termios = (struct ktermios **)(p + driver->num); + driver->termios_locked = (struct ktermios **)(p + driver->num * 2); } else { driver->ttys = NULL; driver->termios = NULL; @@ -3796,7 +3732,7 @@ EXPORT_SYMBOL(tty_register_driver); int tty_unregister_driver(struct tty_driver *driver) { int i; - struct termios *tp; + struct ktermios *tp; void *p; if (driver->refcount) @@ -3834,9 +3770,53 @@ int tty_unregister_driver(struct tty_driver *driver) cdev_del(&driver->cdev); return 0; } - EXPORT_SYMBOL(tty_unregister_driver); +dev_t tty_devnum(struct tty_struct *tty) +{ + return MKDEV(tty->driver->major, tty->driver->minor_start) + tty->index; +} +EXPORT_SYMBOL(tty_devnum); + +void proc_clear_tty(struct task_struct *p) +{ + spin_lock_irq(&p->sighand->siglock); + p->signal->tty = NULL; + spin_unlock_irq(&p->sighand->siglock); +} +EXPORT_SYMBOL(proc_clear_tty); + +void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) +{ + if (tty) { + tty->session = process_session(tsk); + tty->pgrp = process_group(tsk); + } + tsk->signal->tty = tty; + tsk->signal->tty_old_pgrp = 0; +} + +void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) +{ + spin_lock_irq(&tsk->sighand->siglock); + __proc_set_tty(tsk, tty); + spin_unlock_irq(&tsk->sighand->siglock); +} + +struct tty_struct *get_current_tty(void) +{ + struct tty_struct *tty; + WARN_ON_ONCE(!mutex_is_locked(&tty_mutex)); + tty = current->signal->tty; + /* + * session->tty can be changed/cleared from under us, make sure we + * issue the load. The obtained pointer, when not NULL, is valid as + * long as we hold tty_mutex. + */ + barrier(); + return tty; +} +EXPORT_SYMBOL_GPL(get_current_tty); /* * Initialize the console device. This is called *early*, so diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index 3b6fa7b0be8..dee47f40c6a 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -36,6 +36,7 @@ #define TERMIOS_FLUSH 1 #define TERMIOS_WAIT 2 #define TERMIOS_TERMIO 4 +#define TERMIOS_OLD 8 /** @@ -84,9 +85,9 @@ stop_waiting: EXPORT_SYMBOL(tty_wait_until_sent); -static void unset_locked_termios(struct termios *termios, - struct termios *old, - struct termios *locked) +static void unset_locked_termios(struct ktermios *termios, + struct ktermios *old, + struct ktermios *locked) { int i; @@ -105,8 +106,204 @@ static void unset_locked_termios(struct termios *termios, for (i=0; i < NCCS; i++) termios->c_cc[i] = locked->c_cc[i] ? old->c_cc[i] : termios->c_cc[i]; + /* FIXME: What should we do for i/ospeed */ } +/* + * Routine which returns the baud rate of the tty + * + * Note that the baud_table needs to be kept in sync with the + * include/asm/termbits.h file. + */ +static const speed_t baud_table[] = { + 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, + 9600, 19200, 38400, 57600, 115200, 230400, 460800, +#ifdef __sparc__ + 76800, 153600, 307200, 614400, 921600 +#else + 500000, 576000, 921600, 1000000, 1152000, 1500000, 2000000, + 2500000, 3000000, 3500000, 4000000 +#endif +}; + +#ifndef __sparc__ +static const tcflag_t baud_bits[] = { + B0, B50, B75, B110, B134, B150, B200, B300, B600, + B1200, B1800, B2400, B4800, B9600, B19200, B38400, + B57600, B115200, B230400, B460800, B500000, B576000, + B921600, B1000000, B1152000, B1500000, B2000000, B2500000, + B3000000, B3500000, B4000000 +}; +#else +static const tcflag_t baud_bits[] = { + B0, B50, B75, B110, B134, B150, B200, B300, B600, + B1200, B1800, B2400, B4800, B9600, B19200, B38400, + B57600, B115200, B230400, B460800, B76800, B153600, + B307200, B614400, B921600 +}; +#endif + +static int n_baud_table = ARRAY_SIZE(baud_table); + +/** + * tty_termios_baud_rate + * @termios: termios structure + * + * Convert termios baud rate data into a speed. This should be called + * with the termios lock held if this termios is a terminal termios + * structure. May change the termios data. Device drivers can call this + * function but should use ->c_[io]speed directly as they are updated. + * + * Locking: none + */ + +speed_t tty_termios_baud_rate(struct ktermios *termios) +{ + unsigned int cbaud; + + cbaud = termios->c_cflag & CBAUD; + +#ifdef BOTHER + /* Magic token for arbitary speed via c_ispeed/c_ospeed */ + if (cbaud == BOTHER) + return termios->c_ospeed; +#endif + if (cbaud & CBAUDEX) { + cbaud &= ~CBAUDEX; + + if (cbaud < 1 || cbaud + 15 > n_baud_table) + termios->c_cflag &= ~CBAUDEX; + else + cbaud += 15; + } + return baud_table[cbaud]; +} + +EXPORT_SYMBOL(tty_termios_baud_rate); + +/** + * tty_termios_input_baud_rate + * @termios: termios structure + * + * Convert termios baud rate data into a speed. This should be called + * with the termios lock held if this termios is a terminal termios + * structure. May change the termios data. Device drivers can call this + * function but should use ->c_[io]speed directly as they are updated. + * + * Locking: none + */ + +speed_t tty_termios_input_baud_rate(struct ktermios *termios) +{ +#ifdef IBSHIFT + unsigned int cbaud = (termios->c_cflag >> IBSHIFT) & CBAUD; + + if (cbaud == B0) + return tty_termios_baud_rate(termios); + + /* Magic token for arbitary speed via c_ispeed*/ + if (cbaud == BOTHER) + return termios->c_ispeed; + + if (cbaud & CBAUDEX) { + cbaud &= ~CBAUDEX; + + if (cbaud < 1 || cbaud + 15 > n_baud_table) + termios->c_cflag &= ~(CBAUDEX << IBSHIFT); + else + cbaud += 15; + } + return baud_table[cbaud]; +#else + return tty_termios_baud_rate(termios); +#endif +} + +EXPORT_SYMBOL(tty_termios_input_baud_rate); + +#ifdef BOTHER + +/** + * tty_termios_encode_baud_rate + * @termios: termios structure + * @ispeed: input speed + * @ospeed: output speed + * + * Encode the speeds set into the passed termios structure. This is + * used as a library helper for drivers os that they can report back + * the actual speed selected when it differs from the speed requested + * + * For now input and output speed must agree. + * + * Locking: Caller should hold termios lock. This is already held + * when calling this function from the driver termios handler. + */ + +void tty_termios_encode_baud_rate(struct ktermios *termios, speed_t ibaud, speed_t obaud) +{ + int i = 0; + int ifound = 0, ofound = 0; + + termios->c_ispeed = ibaud; + termios->c_ospeed = obaud; + + termios->c_cflag &= ~CBAUD; + /* Identical speed means no input encoding (ie B0 << IBSHIFT)*/ + if (termios->c_ispeed == termios->c_ospeed) + ifound = 1; + + do { + if (obaud == baud_table[i]) { + termios->c_cflag |= baud_bits[i]; + ofound = 1; + /* So that if ibaud == obaud we don't set it */ + continue; + } + if (ibaud == baud_table[i]) { + termios->c_cflag |= (baud_bits[i] << IBSHIFT); + ifound = 1; + } + } + while(++i < n_baud_table); + if (!ofound) + termios->c_cflag |= BOTHER; + if (!ifound) + termios->c_cflag |= (BOTHER << IBSHIFT); +} + +EXPORT_SYMBOL_GPL(tty_termios_encode_baud_rate); + +#endif + +/** + * tty_get_baud_rate - get tty bit rates + * @tty: tty to query + * + * Returns the baud rate as an integer for this terminal. The + * termios lock must be held by the caller and the terminal bit + * flags may be updated. + * + * Locking: none + */ + +speed_t tty_get_baud_rate(struct tty_struct *tty) +{ + speed_t baud = tty_termios_baud_rate(tty->termios); + + if (baud == 38400 && tty->alt_speed) { + if (!tty->warned) { + printk(KERN_WARNING "Use of setserial/setrocket to " + "set SPD_* flags is deprecated\n"); + tty->warned = 1; + } + baud = tty->alt_speed; + } + + return baud; +} + +EXPORT_SYMBOL(tty_get_baud_rate); + /** * change_termios - update termios values * @tty: tty to update @@ -119,10 +316,10 @@ static void unset_locked_termios(struct termios *termios, * Locking: termios_sem */ -static void change_termios(struct tty_struct * tty, struct termios * new_termios) +static void change_termios(struct tty_struct * tty, struct ktermios * new_termios) { int canon_change; - struct termios old_termios = *tty->termios; + struct ktermios old_termios = *tty->termios; struct tty_ldisc *ld; /* @@ -195,23 +392,39 @@ static void change_termios(struct tty_struct * tty, struct termios * new_termios static int set_termios(struct tty_struct * tty, void __user *arg, int opt) { - struct termios tmp_termios; + struct ktermios tmp_termios; struct tty_ldisc *ld; int retval = tty_check_change(tty); if (retval) return retval; + memcpy(&tmp_termios, tty->termios, sizeof(struct ktermios)); + if (opt & TERMIOS_TERMIO) { - memcpy(&tmp_termios, tty->termios, sizeof(struct termios)); if (user_termio_to_kernel_termios(&tmp_termios, (struct termio __user *)arg)) return -EFAULT; +#ifdef TCGETS2 + } else if (opt & TERMIOS_OLD) { + if (user_termios_to_kernel_termios_1(&tmp_termios, + (struct termios __user *)arg)) + return -EFAULT; } else { if (user_termios_to_kernel_termios(&tmp_termios, - (struct termios __user *)arg)) + (struct termios2 __user *)arg)) return -EFAULT; } +#else + } else if (user_termios_to_kernel_termios(&tmp_termios, + (struct termios __user *)arg)) + return -EFAULT; +#endif + + /* If old style Bfoo values are used then load c_ispeed/c_ospeed with the real speed + so its unconditionally usable */ + tmp_termios.c_ispeed = tty_termios_input_baud_rate(&tmp_termios); + tmp_termios.c_ospeed = tty_termios_baud_rate(&tmp_termios); ld = tty_ldisc_ref(tty); @@ -286,8 +499,8 @@ static int get_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb) struct sgttyb tmp; mutex_lock(&tty->termios_mutex); - tmp.sg_ispeed = 0; - tmp.sg_ospeed = 0; + tmp.sg_ispeed = tty->termios->c_ispeed; + tmp.sg_ospeed = tty->termios->c_ospeed; tmp.sg_erase = tty->termios->c_cc[VERASE]; tmp.sg_kill = tty->termios->c_cc[VKILL]; tmp.sg_flags = get_sgflags(tty); @@ -296,7 +509,7 @@ static int get_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb) return copy_to_user(sgttyb, &tmp, sizeof(tmp)) ? -EFAULT : 0; } -static void set_sgflags(struct termios * termios, int flags) +static void set_sgflags(struct ktermios * termios, int flags) { termios->c_iflag = ICRNL | IXON; termios->c_oflag = 0; @@ -337,7 +550,7 @@ static int set_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb) { int retval; struct sgttyb tmp; - struct termios termios; + struct ktermios termios; retval = tty_check_change(tty); if (retval) @@ -351,6 +564,10 @@ static int set_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb) termios.c_cc[VERASE] = tmp.sg_erase; termios.c_cc[VKILL] = tmp.sg_kill; set_sgflags(&termios, tmp.sg_flags); + /* Try and encode into Bfoo format */ +#ifdef BOTHER + tty_termios_encode_baud_rate(&termios, termios.c_ispeed, termios.c_ospeed); +#endif mutex_unlock(&tty->termios_mutex); change_termios(tty, &termios); return 0; @@ -481,16 +698,33 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file, case TIOCSLTC: return set_ltchars(real_tty, p); #endif + case TCSETSF: + return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_OLD); + case TCSETSW: + return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_OLD); + case TCSETS: + return set_termios(real_tty, p, TERMIOS_OLD); +#ifndef TCGETS2 case TCGETS: if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios)) return -EFAULT; return 0; - case TCSETSF: +#else + case TCGETS: + if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios)) + return -EFAULT; + return 0; + case TCGETS2: + if (kernel_termios_to_user_termios((struct termios2 __user *)arg, real_tty->termios)) + return -EFAULT; + return 0; + case TCSETSF2: return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT); - case TCSETSW: + case TCSETSW2: return set_termios(real_tty, p, TERMIOS_WAIT); - case TCSETS: + case TCSETS2: return set_termios(real_tty, p, 0); +#endif case TCGETA: return get_termio(real_tty, p); case TCSETAF: diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index f442b574b44..26776517f04 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -72,7 +72,7 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig) int size; down(&con_buf_sem); - size = vcs_size(file->f_dentry->d_inode); + size = vcs_size(file->f_path.dentry->d_inode); switch (orig) { default: up(&con_buf_sem); @@ -98,7 +98,7 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig) static ssize_t vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; unsigned int currcons = iminor(inode); struct vc_data *vc; long pos; @@ -271,7 +271,7 @@ unlock_out: static ssize_t vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - struct inode *inode = file->f_dentry->d_inode; + struct inode *inode = file->f_path.dentry->d_inode; unsigned int currcons = iminor(inode); struct vc_data *vc; long pos; diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c index 6d2e314860d..8de6b95aeb8 100644 --- a/drivers/char/viocons.c +++ b/drivers/char/viocons.c @@ -42,6 +42,7 @@ #include <linux/tty_flip.h> #include <linux/sysrq.h> +#include <asm/firmware.h> #include <asm/iseries/vio.h> #include <asm/iseries/hv_lp_event.h> #include <asm/iseries/hv_call_event.h> @@ -61,10 +62,7 @@ static DEFINE_SPINLOCK(consolelock); static DEFINE_SPINLOCK(consoleloglock); -#ifdef CONFIG_MAGIC_SYSRQ static int vio_sysrq_pressed; -extern int sysrq_enabled; -#endif #define VIOCHAR_NUM_BUF 16 @@ -936,8 +934,10 @@ static void vioHandleData(struct HvLpEvent *event) */ num_pushed = 0; for (index = 0; index < cevent->len; index++) { -#ifdef CONFIG_MAGIC_SYSRQ - if (sysrq_enabled) { + /* + * Will be optimized away if !CONFIG_MAGIC_SYSRQ: + */ + if (sysrq_on()) { /* 0x0f is the ascii character for ^O */ if (cevent->data[index] == '\x0f') { vio_sysrq_pressed = 1; @@ -956,7 +956,6 @@ static void vioHandleData(struct HvLpEvent *event) continue; } } -#endif /* * The sysrq sequence isn't included in this check if * sysrq is enabled and compiled into the kernel because @@ -1062,6 +1061,9 @@ static int __init viocons_init2(void) atomic_t wait_flag; int rc; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return -ENODEV; + /* +2 for fudge */ rc = viopath_open(HvLpConfig_getPrimaryLpIndex(), viomajorsubtype_chario, VIOCHAR_WINDOW + 2); @@ -1147,6 +1149,9 @@ static int __init viocons_init(void) { int i; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return -ENODEV; + printk(VIOCONS_KERN_INFO "registering console\n"); for (i = 0; i < VTTY_PORTS; i++) { port_info[i].lp = HvLpIndexInvalid; diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c index 73c78bf75d7..9438512b17f 100644 --- a/drivers/char/viotape.c +++ b/drivers/char/viotape.c @@ -49,7 +49,7 @@ #include <asm/uaccess.h> #include <asm/ioctls.h> - +#include <asm/firmware.h> #include <asm/vio.h> #include <asm/iseries/vio.h> #include <asm/iseries/hv_lp_event.h> @@ -442,7 +442,7 @@ static ssize_t viotap_write(struct file *file, const char *buf, if (op == NULL) return -ENOMEM; - get_dev_info(file->f_dentry->d_inode, &devi); + get_dev_info(file->f_path.dentry->d_inode, &devi); /* * We need to make sure we can send a request. We use @@ -532,7 +532,7 @@ static ssize_t viotap_read(struct file *file, char *buf, size_t count, if (op == NULL) return -ENOMEM; - get_dev_info(file->f_dentry->d_inode, &devi); + get_dev_info(file->f_path.dentry->d_inode, &devi); /* * We need to make sure we can send a request. We use @@ -612,7 +612,7 @@ static int viotap_ioctl(struct inode *inode, struct file *file, if (op == NULL) return -ENOMEM; - get_dev_info(file->f_dentry->d_inode, &devi); + get_dev_info(file->f_path.dentry->d_inode, &devi); down(&reqSem); @@ -777,7 +777,7 @@ static int viotap_open(struct inode *inode, struct file *file) if (op == NULL) return -ENOMEM; - get_dev_info(file->f_dentry->d_inode, &devi); + get_dev_info(file->f_path.dentry->d_inode, &devi); /* Note: We currently only support one mode! */ if ((devi.devno >= viotape_numdev) || (devi.mode)) { @@ -822,7 +822,7 @@ static int viotap_release(struct inode *inode, struct file *file) return -ENOMEM; init_completion(&op->com); - get_dev_info(file->f_dentry->d_inode, &devi); + get_dev_info(file->f_path.dentry->d_inode, &devi); if (devi.devno >= viotape_numdev) { ret = -ENODEV; @@ -997,6 +997,9 @@ int __init viotap_init(void) int ret; struct proc_dir_entry *e; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return -ENODEV; + op_struct_list = NULL; if ((ret = add_op_structs(VIOTAPE_MAXREQ)) < 0) { printk(VIOTAPE_KERN_WARN "couldn't allocate op structs\n"); diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c index d0b94dd1af6..e01317cb1a0 100644 --- a/drivers/char/vme_scc.c +++ b/drivers/char/vme_scc.c @@ -153,6 +153,8 @@ static int scc_init_drivers(void) scc_driver->init_termios = tty_std_termios; scc_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; + scc_driver->init_termios.c_ispeed = 9600; + scc_driver->init_termios.c_ospeed = 9600; scc_driver->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(scc_driver, &scc_ops); diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index 8e794930517..0cea8d4907d 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c @@ -3,7 +3,7 @@ * * Copyright (C) 2002 MontaVista Software Inc. * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * Copyright (C) 2003-2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -125,30 +125,17 @@ static inline uint16_t giu_clear(uint16_t offset, uint16_t clear) return data; } -static unsigned int startup_giuint_low_irq(unsigned int irq) +static void ack_giuint_low(unsigned int irq) { - unsigned int pin; - - pin = GPIO_PIN_OF_IRQ(irq); - giu_write(GIUINTSTATL, 1 << pin); - giu_set(GIUINTENL, 1 << pin); - - return 0; + giu_write(GIUINTSTATL, 1 << GPIO_PIN_OF_IRQ(irq)); } -static void shutdown_giuint_low_irq(unsigned int irq) +static void mask_giuint_low(unsigned int irq) { giu_clear(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); } -static void enable_giuint_low_irq(unsigned int irq) -{ - giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); -} - -#define disable_giuint_low_irq shutdown_giuint_low_irq - -static void ack_giuint_low_irq(unsigned int irq) +static void mask_ack_giuint_low(unsigned int irq) { unsigned int pin; @@ -157,46 +144,30 @@ static void ack_giuint_low_irq(unsigned int irq) giu_write(GIUINTSTATL, 1 << pin); } -static void end_giuint_low_irq(unsigned int irq) +static void unmask_giuint_low(unsigned int irq) { - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); + giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq)); } -static struct hw_interrupt_type giuint_low_irq_type = { - .typename = "GIUINTL", - .startup = startup_giuint_low_irq, - .shutdown = shutdown_giuint_low_irq, - .enable = enable_giuint_low_irq, - .disable = disable_giuint_low_irq, - .ack = ack_giuint_low_irq, - .end = end_giuint_low_irq, +static struct irq_chip giuint_low_irq_chip = { + .name = "GIUINTL", + .ack = ack_giuint_low, + .mask = mask_giuint_low, + .mask_ack = mask_ack_giuint_low, + .unmask = unmask_giuint_low, }; -static unsigned int startup_giuint_high_irq(unsigned int irq) +static void ack_giuint_high(unsigned int irq) { - unsigned int pin; - - pin = GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET; - giu_write(GIUINTSTATH, 1 << pin); - giu_set(GIUINTENH, 1 << pin); - - return 0; + giu_write(GIUINTSTATH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); } -static void shutdown_giuint_high_irq(unsigned int irq) +static void mask_giuint_high(unsigned int irq) { giu_clear(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); } -static void enable_giuint_high_irq(unsigned int irq) -{ - giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); -} - -#define disable_giuint_high_irq shutdown_giuint_high_irq - -static void ack_giuint_high_irq(unsigned int irq) +static void mask_ack_giuint_high(unsigned int irq) { unsigned int pin; @@ -205,20 +176,17 @@ static void ack_giuint_high_irq(unsigned int irq) giu_write(GIUINTSTATH, 1 << pin); } -static void end_giuint_high_irq(unsigned int irq) +static void unmask_giuint_high(unsigned int irq) { - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); + giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET)); } -static struct hw_interrupt_type giuint_high_irq_type = { - .typename = "GIUINTH", - .startup = startup_giuint_high_irq, - .shutdown = shutdown_giuint_high_irq, - .enable = enable_giuint_high_irq, - .disable = disable_giuint_high_irq, - .ack = ack_giuint_high_irq, - .end = end_giuint_high_irq, +static struct irq_chip giuint_high_irq_chip = { + .name = "GIUINTH", + .ack = ack_giuint_high, + .mask = mask_giuint_high, + .mask_ack = mask_ack_giuint_high, + .unmask = unmask_giuint_high, }; static int giu_get_irq(unsigned int irq) @@ -282,9 +250,15 @@ void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_ break; } } + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_low_irq_chip, + handle_edge_irq); } else { giu_clear(GIUINTTYPL, mask); giu_clear(GIUINTHTSELL, mask); + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_low_irq_chip, + handle_level_irq); } giu_write(GIUINTSTATL, mask); } else if (pin < GIUINT_HIGH_MAX) { @@ -311,9 +285,15 @@ void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_ break; } } + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_high_irq_chip, + handle_edge_irq); } else { giu_clear(GIUINTTYPH, mask); giu_clear(GIUINTHTSELH, mask); + set_irq_chip_and_handler(GIU_IRQ(pin), + &giuint_high_irq_chip, + handle_level_irq); } giu_write(GIUINTSTATH, mask); } @@ -506,7 +486,7 @@ static ssize_t gpio_read(struct file *file, char __user *buf, size_t len, unsigned int pin; char value = '0'; - pin = iminor(file->f_dentry->d_inode); + pin = iminor(file->f_path.dentry->d_inode); if (pin >= giu_nr_pins) return -EBADF; @@ -530,7 +510,7 @@ static ssize_t gpio_write(struct file *file, const char __user *data, char c; int retval = 0; - pin = iminor(file->f_dentry->d_inode); + pin = iminor(file->f_path.dentry->d_inode); if (pin >= giu_nr_pins) return -EBADF; @@ -617,10 +597,11 @@ static const struct file_operations gpio_fops = { static int __devinit giu_probe(struct platform_device *dev) { unsigned long start, size, flags = 0; - unsigned int nr_pins = 0; + unsigned int nr_pins = 0, trigger, i, pin; struct resource *res1, *res2 = NULL; void *base; - int retval, i; + struct irq_chip *chip; + int retval; switch (current_cpu_data.cputype) { case CPU_VR4111: @@ -688,11 +669,20 @@ static int __devinit giu_probe(struct platform_device *dev) giu_write(GIUINTENL, 0); giu_write(GIUINTENH, 0); + trigger = giu_read(GIUINTTYPH) << 16; + trigger |= giu_read(GIUINTTYPL); for (i = GIU_IRQ_BASE; i <= GIU_IRQ_LAST; i++) { - if (i < GIU_IRQ(GIUINT_HIGH_OFFSET)) - irq_desc[i].chip = &giuint_low_irq_type; + pin = GPIO_PIN_OF_IRQ(i); + if (pin < GIUINT_HIGH_OFFSET) + chip = &giuint_low_irq_chip; else - irq_desc[i].chip = &giuint_high_irq_type; + chip = &giuint_high_irq_chip; + + if (trigger & (1 << pin)) + set_irq_chip_and_handler(i, chip, handle_edge_irq); + else + set_irq_chip_and_handler(i, chip, handle_level_irq); + } return cascade_irq(GIUINT_IRQ, giu_get_irq); diff --git a/drivers/char/vt.c b/drivers/char/vt.c index a8239dac994..06c32a3e3ca 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -784,7 +784,7 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines) if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) return 0; - newscreen = (unsigned short *) kmalloc(new_screen_size, GFP_USER); + newscreen = kmalloc(new_screen_size, GFP_USER); if (!newscreen) return -ENOMEM; diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index ac5d60edbaf..dc8368ebb1a 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -129,7 +129,7 @@ do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, struct kbd_str !capable(CAP_SYS_RESOURCE)) return -EPERM; - key_map = (ushort *) kmalloc(sizeof(plain_map), + key_map = kmalloc(sizeof(plain_map), GFP_KERNEL); if (!key_map) return -ENOMEM; @@ -259,7 +259,7 @@ do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) sz = 256; while (sz < funcbufsize - funcbufleft + delta) sz <<= 1; - fnw = (char *) kmalloc(sz, GFP_KERNEL); + fnw = kmalloc(sz, GFP_KERNEL); if(!fnw) { ret = -ENOMEM; goto reterr; @@ -1087,7 +1087,7 @@ static void complete_change_console(struct vc_data *vc) switch_screen(vc); /* - * This can't appear below a successful kill_proc(). If it did, + * This can't appear below a successful kill_pid(). If it did, * then the *blank_screen operation could occur while X, having * received acqsig, is waking up on another processor. This * condition can lead to overlapping accesses to the VGA range @@ -1110,7 +1110,7 @@ static void complete_change_console(struct vc_data *vc) */ if (vc->vt_mode.mode == VT_PROCESS) { /* - * Send the signal as privileged - kill_proc() will + * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else * is awry */ @@ -1170,7 +1170,7 @@ void change_console(struct vc_data *new_vc) vc = vc_cons[fg_console].d; if (vc->vt_mode.mode == VT_PROCESS) { /* - * Send the signal as privileged - kill_proc() will + * Send the signal as privileged - kill_pid() will * tell us if the process has gone or something else * is awry */ diff --git a/drivers/char/watchdog/at91rm9200_wdt.c b/drivers/char/watchdog/at91rm9200_wdt.c index cb86967e2c5..38bd3737259 100644 --- a/drivers/char/watchdog/at91rm9200_wdt.c +++ b/drivers/char/watchdog/at91rm9200_wdt.c @@ -203,9 +203,9 @@ static int __init at91wdt_probe(struct platform_device *pdev) { int res; - if (at91wdt_miscdev.dev) + if (at91wdt_miscdev.parent) return -EBUSY; - at91wdt_miscdev.dev = &pdev->dev; + at91wdt_miscdev.parent = &pdev->dev; res = misc_register(&at91wdt_miscdev); if (res) @@ -221,7 +221,7 @@ static int __exit at91wdt_remove(struct platform_device *pdev) res = misc_deregister(&at91wdt_miscdev); if (!res) - at91wdt_miscdev.dev = NULL; + at91wdt_miscdev.parent = NULL; return res; } diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c index 488902231cc..0e23f29f71a 100644 --- a/drivers/char/watchdog/booke_wdt.c +++ b/drivers/char/watchdog/booke_wdt.c @@ -35,7 +35,7 @@ #ifdef CONFIG_FSL_BOOKE #define WDT_PERIOD_DEFAULT 63 /* Ex. wdt_period=28 bus=333Mhz , reset=~40sec */ #else -#define WDT_PERIOD_DEFAULT 4 /* Refer to the PPC40x and PPC4xx manuals */ +#define WDT_PERIOD_DEFAULT 3 /* Refer to the PPC40x and PPC4xx manuals */ #endif /* for timing information */ u32 booke_wdt_enabled = 0; @@ -48,12 +48,22 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT; #endif /* + * booke_wdt_ping: + */ +static __inline__ void booke_wdt_ping(void) +{ + mtspr(SPRN_TSR, TSR_ENW|TSR_WIS); +} + +/* * booke_wdt_enable: */ static __inline__ void booke_wdt_enable(void) { u32 val; + /* clear status before enabling watchdog */ + booke_wdt_ping(); val = mfspr(SPRN_TCR); val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period)); @@ -61,14 +71,6 @@ static __inline__ void booke_wdt_enable(void) } /* - * booke_wdt_ping: - */ -static __inline__ void booke_wdt_ping(void) -{ - mtspr(SPRN_TSR, TSR_ENW|TSR_WIS); -} - -/* * booke_wdt_write: */ static ssize_t booke_wdt_write (struct file *file, const char __user *buf, diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c index 276577d08fb..4d730fdbd52 100644 --- a/drivers/char/watchdog/machzwd.c +++ b/drivers/char/watchdog/machzwd.c @@ -325,7 +325,7 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, return put_user(0, p); case WDIOC_KEEPALIVE: - zf_ping(0); + zf_ping(NULL); break; default: diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c index 3404a9c67f0..e88947f8fe5 100644 --- a/drivers/char/watchdog/mpcore_wdt.c +++ b/drivers/char/watchdog/mpcore_wdt.c @@ -347,7 +347,7 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev) goto err_free; } - mpcore_wdt_miscdev.dev = &dev->dev; + mpcore_wdt_miscdev.parent = &dev->dev; ret = misc_register(&mpcore_wdt_miscdev); if (ret) { dev_printk(KERN_ERR, _dev, "cannot register miscdev on minor=%d (err=%d)\n", diff --git a/drivers/char/watchdog/omap_wdt.c b/drivers/char/watchdog/omap_wdt.c index 5dbd7dc2936..6c6f97332db 100644 --- a/drivers/char/watchdog/omap_wdt.c +++ b/drivers/char/watchdog/omap_wdt.c @@ -290,7 +290,7 @@ static int __init omap_wdt_probe(struct platform_device *pdev) omap_wdt_disable(); omap_wdt_adjust_timeout(timer_margin); - omap_wdt_miscdev.dev = &pdev->dev; + omap_wdt_miscdev.parent = &pdev->dev; ret = misc_register(&omap_wdt_miscdev); if (ret) goto fail; diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index 61138726b50..2da5ac99687 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -42,6 +42,7 @@ #include <asm/uaccess.h> #include <linux/usb.h> #include <linux/mutex.h> +#include <linux/hid.h> /* For HID_REQ_SET_REPORT & HID_DT_REPORT */ #ifdef CONFIG_USB_DEBUG @@ -109,10 +110,6 @@ MODULE_DEVICE_TABLE (usb, usb_pcwd_table); #define CMD_ENABLE_WATCHDOG 0x30 /* Enable / Disable Watchdog */ #define CMD_DISABLE_WATCHDOG CMD_ENABLE_WATCHDOG -/* Some defines that I like to be somewhere else like include/linux/usb_hid.h */ -#define HID_REQ_SET_REPORT 0x09 -#define HID_DT_REPORT (USB_TYPE_CLASS | 0x02) - /* We can only use 1 card due to the /dev/watchdog restriction */ static int cards_found; diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index ec3909371c2..7576a13e86b 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -47,7 +47,7 @@ /* Function prototypes */ -static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); +static irqreturn_t wdt_gpi_irqhdl(int, void *); static void wdt_gpi_start(void); static void wdt_gpi_stop(void); static void wdt_gpi_set_timeout(unsigned int); @@ -94,8 +94,28 @@ module_param(nowayout, bool, 0444); MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); +/* Kernel interfaces */ +static struct file_operations fops = { + .owner = THIS_MODULE, + .open = wdt_gpi_open, + .release = wdt_gpi_release, + .write = wdt_gpi_write, + .unlocked_ioctl = wdt_gpi_ioctl, +}; + +static struct miscdevice miscdev = { + .minor = WATCHDOG_MINOR, + .name = wdt_gpi_name, + .fops = &fops, +}; + +static struct notifier_block wdt_gpi_shutdown = { + .notifier_call = wdt_gpi_notify, +}; + + /* Interrupt handler */ -static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) +static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt) { if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) return IRQ_NONE; @@ -312,26 +332,6 @@ wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) } -/* Kernel interfaces */ -static struct file_operations fops = { - .owner = THIS_MODULE, - .open = wdt_gpi_open, - .release = wdt_gpi_release, - .write = wdt_gpi_write, - .unlocked_ioctl = wdt_gpi_ioctl, -}; - -static struct miscdevice miscdev = { - .minor = WATCHDOG_MINOR, - .name = wdt_gpi_name, - .fops = &fops, -}; - -static struct notifier_block wdt_gpi_shutdown = { - .notifier_call = wdt_gpi_notify, -}; - - /* Init & exit procedures */ static const struct resource * wdt_gpi_get_resource(struct platform_device *pdv, const char *name, |