diff options
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r-- | drivers/pcmcia/Kconfig | 9 | ||||
-rw-r--r-- | drivers/pcmcia/Makefile | 3 | ||||
-rw-r--r-- | drivers/pcmcia/at91_cf.c | 376 | ||||
-rw-r--r-- | drivers/pcmcia/cistpl.c | 1 | ||||
-rw-r--r-- | drivers/pcmcia/cs.c | 43 | ||||
-rw-r--r-- | drivers/pcmcia/cs_internal.h | 19 | ||||
-rw-r--r-- | drivers/pcmcia/ds.c | 261 | ||||
-rw-r--r-- | drivers/pcmcia/ds_internal.h | 4 | ||||
-rw-r--r-- | drivers/pcmcia/i82092.c | 1 | ||||
-rw-r--r-- | drivers/pcmcia/i82365.c | 8 | ||||
-rw-r--r-- | drivers/pcmcia/pcmcia_compat.c | 65 | ||||
-rw-r--r-- | drivers/pcmcia/pcmcia_ioctl.c | 81 | ||||
-rw-r--r-- | drivers/pcmcia/pcmcia_resource.c | 232 | ||||
-rw-r--r-- | drivers/pcmcia/pd6729.c | 1 | ||||
-rw-r--r-- | drivers/pcmcia/pxa2xx_sharpsl.c | 8 | ||||
-rw-r--r-- | drivers/pcmcia/rsrc_mgr.c | 5 | ||||
-rw-r--r-- | drivers/pcmcia/rsrc_nonstatic.c | 41 | ||||
-rw-r--r-- | drivers/pcmcia/sa1100_cerf.c | 1 | ||||
-rw-r--r-- | drivers/pcmcia/socket_sysfs.c | 10 | ||||
-rw-r--r-- | drivers/pcmcia/ti113x.h | 1 |
20 files changed, 792 insertions, 378 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index 1f4ad0e7836..61cb4b29f55 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -250,7 +250,7 @@ config M32R_CFC_NUM config PCMCIA_VRC4171 tristate "NEC VRC4171 Card Controllers support" - depends on VRC4171 && PCMCIA + depends on CPU_VR41XX && ISA && PCMCIA config PCMCIA_VRC4173 tristate "NEC VRC4173 CARDU support" @@ -263,6 +263,13 @@ config OMAP_CF Say Y here to support the CompactFlash controller on OMAP. Note that this doesn't support "True IDE" mode. +config AT91_CF + tristate "AT91 CompactFlash Controller" + depends on PCMCIA && ARCH_AT91RM9200 + help + Say Y here to support the CompactFlash controller on AT91 chips. + Or choose M to compile the driver as a module named "at91_cf". + config PCCARD_NONSTATIC tristate diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index bcecf5133b7..4276965517f 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -10,7 +10,7 @@ pcmcia_core-y += cs.o cistpl.o rsrc_mgr.o socket_sysfs.o pcmcia_core-$(CONFIG_CARDBUS) += cardbus.o obj-$(CONFIG_PCCARD) += pcmcia_core.o -pcmcia-y += ds.o pcmcia_compat.o pcmcia_resource.o +pcmcia-y += ds.o pcmcia_resource.o pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o obj-$(CONFIG_PCMCIA) += pcmcia.o @@ -36,6 +36,7 @@ obj-$(CONFIG_PCMCIA_AU1X00) += au1x00_ss.o obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o obj-$(CONFIG_OMAP_CF) += omap_cf.o +obj-$(CONFIG_AT91_CF) += at91_cf.o sa11xx_core-y += soc_common.o sa11xx_base.o pxa2xx_core-y += soc_common.o pxa2xx_base.o diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c new file mode 100644 index 00000000000..a4d50940ebe --- /dev/null +++ b/drivers/pcmcia/at91_cf.c @@ -0,0 +1,376 @@ +/* + * at91_cf.c -- AT91 CompactFlash controller driver + * + * Copyright (C) 2005 David Brownell + * + * 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. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/platform_device.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/interrupt.h> + +#include <pcmcia/ss.h> + +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/sizes.h> + +#include <asm/arch/at91rm9200.h> +#include <asm/arch/board.h> +#include <asm/arch/gpio.h> + + +/* + * A0..A10 work in each range; A23 indicates I/O space; A25 is CFRNW; + * some other bit in {A24,A22..A11} is nREG to flag memory access + * (vs attributes). So more than 2KB/region would just be waste. + */ +#define CF_ATTR_PHYS (AT91_CF_BASE) +#define CF_IO_PHYS (AT91_CF_BASE + (1 << 23)) +#define CF_MEM_PHYS (AT91_CF_BASE + 0x017ff800) + +/*--------------------------------------------------------------------------*/ + +static const char driver_name[] = "at91_cf"; + +struct at91_cf_socket { + struct pcmcia_socket socket; + + unsigned present:1; + + struct platform_device *pdev; + struct at91_cf_data *board; +}; + +#define SZ_2K (2 * SZ_1K) + +static inline int at91_cf_present(struct at91_cf_socket *cf) +{ + return !at91_get_gpio_value(cf->board->det_pin); +} + +/*--------------------------------------------------------------------------*/ + +static int at91_cf_ss_init(struct pcmcia_socket *s) +{ + return 0; +} + +static irqreturn_t at91_cf_irq(int irq, void *_cf, struct pt_regs *r) +{ + struct at91_cf_socket *cf = (struct at91_cf_socket *) _cf; + + if (irq == cf->board->det_pin) { + unsigned present = at91_cf_present(cf); + + /* kick pccard as needed */ + if (present != cf->present) { + cf->present = present; + pr_debug("%s: card %s\n", driver_name, + present ? "present" : "gone"); + pcmcia_parse_events(&cf->socket, SS_DETECT); + } + } + + return IRQ_HANDLED; +} + +static int at91_cf_get_status(struct pcmcia_socket *s, u_int *sp) +{ + struct at91_cf_socket *cf; + + if (!sp) + return -EINVAL; + + cf = container_of(s, struct at91_cf_socket, socket); + + /* NOTE: CF is always 3VCARD */ + if (at91_cf_present(cf)) { + int rdy = cf->board->irq_pin; /* RDY/nIRQ */ + int vcc = cf->board->vcc_pin; + + *sp = SS_DETECT | SS_3VCARD; + if (!rdy || at91_get_gpio_value(rdy)) + *sp |= SS_READY; + if (!vcc || at91_get_gpio_value(vcc)) + *sp |= SS_POWERON; + } else + *sp = 0; + + return 0; +} + +static int +at91_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s) +{ + struct at91_cf_socket *cf; + + cf = container_of(sock, struct at91_cf_socket, socket); + + /* switch Vcc if needed and possible */ + if (cf->board->vcc_pin) { + switch (s->Vcc) { + case 0: + at91_set_gpio_value(cf->board->vcc_pin, 0); + break; + case 33: + at91_set_gpio_value(cf->board->vcc_pin, 1); + break; + default: + return -EINVAL; + } + } + + /* toggle reset if needed */ + at91_set_gpio_value(cf->board->rst_pin, s->flags & SS_RESET); + + pr_debug("%s: Vcc %d, io_irq %d, flags %04x csc %04x\n", + driver_name, s->Vcc, s->io_irq, s->flags, s->csc_mask); + + return 0; +} + +static int at91_cf_ss_suspend(struct pcmcia_socket *s) +{ + return at91_cf_set_socket(s, &dead_socket); +} + +/* we already mapped the I/O region */ +static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) +{ + struct at91_cf_socket *cf; + u32 csr; + + cf = container_of(s, struct at91_cf_socket, socket); + io->flags &= (MAP_ACTIVE | MAP_16BIT | MAP_AUTOSZ); + + /* + * Use 16 bit accesses unless/until we need 8-bit i/o space. + * Always set CSR4 ... PCMCIA won't always unmap things. + */ + csr = at91_sys_read(AT91_SMC_CSR(4)) & ~AT91_SMC_DBW; + + /* + * NOTE: this CF controller ignores IOIS16, so we can't really do + * MAP_AUTOSZ. The 16bit mode allows single byte access on either + * D0-D7 (even addr) or D8-D15 (odd), so it's close enough for many + * purposes (and handles ide-cs). + * + * The 8bit mode is needed for odd byte access on D0-D7. It seems + * some cards only like that way to get at the odd byte, despite + * CF 3.0 spec table 35 also giving the D8-D15 option. + */ + if (!(io->flags & (MAP_16BIT|MAP_AUTOSZ))) { + csr |= AT91_SMC_DBW_8; + pr_debug("%s: 8bit i/o bus\n", driver_name); + } else { + csr |= AT91_SMC_DBW_16; + pr_debug("%s: 16bit i/o bus\n", driver_name); + } + at91_sys_write(AT91_SMC_CSR(4), csr); + + io->start = cf->socket.io_offset; + io->stop = io->start + SZ_2K - 1; + + return 0; +} + +/* pcmcia layer maps/unmaps mem regions */ +static int +at91_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map) +{ + struct at91_cf_socket *cf; + + if (map->card_start) + return -EINVAL; + + cf = container_of(s, struct at91_cf_socket, socket); + + map->flags &= MAP_ACTIVE|MAP_ATTRIB|MAP_16BIT; + if (map->flags & MAP_ATTRIB) + map->static_start = CF_ATTR_PHYS; + else + map->static_start = CF_MEM_PHYS; + + return 0; +} + +static struct pccard_operations at91_cf_ops = { + .init = at91_cf_ss_init, + .suspend = at91_cf_ss_suspend, + .get_status = at91_cf_get_status, + .set_socket = at91_cf_set_socket, + .set_io_map = at91_cf_set_io_map, + .set_mem_map = at91_cf_set_mem_map, +}; + +/*--------------------------------------------------------------------------*/ + +static int __init at91_cf_probe(struct device *dev) +{ + struct at91_cf_socket *cf; + struct at91_cf_data *board = dev->platform_data; + struct platform_device *pdev = to_platform_device(dev); + struct resource *io; + unsigned int csa; + int status; + + if (!board || !board->det_pin || !board->rst_pin) + return -ENODEV; + + io = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!io) + return -ENODEV; + + cf = kcalloc(1, sizeof *cf, GFP_KERNEL); + if (!cf) + return -ENOMEM; + + cf->board = board; + cf->pdev = pdev; + dev_set_drvdata(dev, cf); + + /* CF takes over CS4, CS5, CS6 */ + csa = at91_sys_read(AT91_EBI_CSA); + at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH); + + /* force poweron defaults for these pins ... */ + (void) at91_set_A_periph(AT91_PIN_PC9, 0); /* A25/CFRNW */ + (void) at91_set_A_periph(AT91_PIN_PC10, 0); /* NCS4/CFCS */ + (void) at91_set_A_periph(AT91_PIN_PC11, 0); /* NCS5/CFCE1 */ + (void) at91_set_A_periph(AT91_PIN_PC12, 0); /* NCS6/CFCE2 */ + + /* nWAIT is _not_ a default setting */ + (void) at91_set_A_periph(AT91_PIN_PC6, 1); /* nWAIT */ + + /* + * Static memory controller timing adjustments. + * REVISIT: these timings are in terms of MCK cycles, so + * when MCK changes (cpufreq etc) so must these values... + */ + at91_sys_write(AT91_SMC_CSR(4), + AT91_SMC_ACSS_STD + | AT91_SMC_DBW_16 + | AT91_SMC_BAT + | AT91_SMC_WSEN + | AT91_SMC_NWS_(32) /* wait states */ + | AT91_SMC_RWSETUP_(6) /* setup time */ + | AT91_SMC_RWHOLD_(4) /* hold time */ + ); + + /* must be a GPIO; ergo must trigger on both edges */ + status = request_irq(board->det_pin, at91_cf_irq, + SA_SAMPLE_RANDOM, driver_name, cf); + if (status < 0) + goto fail0; + + /* + * The card driver will request this irq later as needed. + * but it causes lots of "irqNN: nobody cared" messages + * unless we report that we handle everything (sigh). + * (Note: DK board doesn't wire the IRQ pin...) + */ + if (board->irq_pin) { + status = request_irq(board->irq_pin, at91_cf_irq, + SA_SHIRQ, driver_name, cf); + if (status < 0) + goto fail0a; + cf->socket.pci_irq = board->irq_pin; + } else + cf->socket.pci_irq = NR_IRQS + 1; + + /* pcmcia layer only remaps "real" memory not iospace */ + cf->socket.io_offset = (unsigned long) ioremap(CF_IO_PHYS, SZ_2K); + if (!cf->socket.io_offset) + goto fail1; + + /* reserve CS4, CS5, and CS6 regions; but use just CS4 */ + if (!request_mem_region(io->start, io->end + 1 - io->start, + driver_name)) + goto fail1; + + pr_info("%s: irqs det #%d, io #%d\n", driver_name, + board->det_pin, board->irq_pin); + + cf->socket.owner = THIS_MODULE; + cf->socket.dev.dev = dev; + cf->socket.ops = &at91_cf_ops; + cf->socket.resource_ops = &pccard_static_ops; + cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP + | SS_CAP_MEM_ALIGN; + cf->socket.map_size = SZ_2K; + cf->socket.io[0].res = io; + + status = pcmcia_register_socket(&cf->socket); + if (status < 0) + goto fail2; + + return 0; + +fail2: + iounmap((void __iomem *) cf->socket.io_offset); + release_mem_region(io->start, io->end + 1 - io->start); +fail1: + if (board->irq_pin) + free_irq(board->irq_pin, cf); +fail0a: + free_irq(board->det_pin, cf); +fail0: + at91_sys_write(AT91_EBI_CSA, csa); + kfree(cf); + return status; +} + +static int __exit at91_cf_remove(struct device *dev) +{ + struct at91_cf_socket *cf = dev_get_drvdata(dev); + struct resource *io = cf->socket.io[0].res; + unsigned int csa; + + pcmcia_unregister_socket(&cf->socket); + free_irq(cf->board->irq_pin, cf); + free_irq(cf->board->det_pin, cf); + iounmap((void __iomem *) cf->socket.io_offset); + release_mem_region(io->start, io->end + 1 - io->start); + + csa = at91_sys_read(AT91_EBI_CSA); + at91_sys_write(AT91_EBI_CSA, csa & ~AT91_EBI_CS4A); + + kfree(cf); + return 0; +} + +static struct device_driver at91_cf_driver = { + .name = (char *) driver_name, + .bus = &platform_bus_type, + .probe = at91_cf_probe, + .remove = __exit_p(at91_cf_remove), + .suspend = pcmcia_socket_dev_suspend, + .resume = pcmcia_socket_dev_resume, +}; + +/*--------------------------------------------------------------------------*/ + +static int __init at91_cf_init(void) +{ + return driver_register(&at91_cf_driver); +} +module_init(at91_cf_init); + +static void __exit at91_cf_exit(void) +{ + driver_unregister(&at91_cf_driver); +} +module_exit(at91_cf_exit); + +MODULE_DESCRIPTION("AT91 Compact Flash Driver"); +MODULE_AUTHOR("David Brownell"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 120fa8da639..912c03e5eb0 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -12,7 +12,6 @@ * (C) 1999 David A. Hinds */ -#include <linux/config.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 613f2f1fbfd..3162998579c 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -16,7 +16,6 @@ #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/kernel.h> -#include <linux/config.h> #include <linux/string.h> #include <linux/major.h> #include <linux/errno.h> @@ -111,9 +110,9 @@ int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state) list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { if (socket->dev.dev != dev) continue; - down(&socket->skt_sem); + mutex_lock(&socket->skt_mutex); socket_suspend(socket); - up(&socket->skt_sem); + mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); @@ -129,9 +128,9 @@ int pcmcia_socket_dev_resume(struct device *dev) list_for_each_entry(socket, &pcmcia_socket_list, socket_list) { if (socket->dev.dev != dev) continue; - down(&socket->skt_sem); + mutex_lock(&socket->skt_mutex); socket_resume(socket); - up(&socket->skt_sem); + mutex_unlock(&socket->skt_mutex); } up_read(&pcmcia_socket_list_rwsem); @@ -237,7 +236,7 @@ int pcmcia_register_socket(struct pcmcia_socket *socket) init_completion(&socket->socket_released); init_completion(&socket->thread_done); init_waitqueue_head(&socket->thread_wait); - init_MUTEX(&socket->skt_sem); + mutex_init(&socket->skt_mutex); spin_lock_init(&socket->thread_lock); ret = kernel_thread(pccardd, socket, CLONE_KERNEL); @@ -406,8 +405,6 @@ static void socket_shutdown(struct pcmcia_socket *s) cb_free(s); #endif s->functions = 0; - kfree(s->config); - s->config = NULL; s->ops->get_status(s, &status); if (status & SS_POWERON) { @@ -664,7 +661,7 @@ static int pccardd(void *__skt) spin_unlock_irqrestore(&skt->thread_lock, flags); if (events) { - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); if (events & SS_DETECT) socket_detect_change(skt); if (events & SS_BATDEAD) @@ -673,7 +670,7 @@ static int pccardd(void *__skt) send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW); if (events & SS_READY) send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); continue; } @@ -717,8 +714,8 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) { int ret = 0; - /* s->skt_sem also protects s->callback */ - down(&s->skt_sem); + /* s->skt_mutex also protects s->callback */ + mutex_lock(&s->skt_mutex); if (c) { /* registration */ @@ -734,7 +731,7 @@ int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) } else s->callback = NULL; err: - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); return ret; } @@ -752,7 +749,7 @@ int pccard_reset_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "resetting socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -781,7 +778,7 @@ int pccard_reset_card(struct pcmcia_socket *skt) ret = CS_SUCCESS; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* reset_card */ @@ -797,7 +794,7 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "suspending socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -814,7 +811,7 @@ int pcmcia_suspend_card(struct pcmcia_socket *skt) } ret = socket_suspend(skt); } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* suspend_card */ @@ -827,7 +824,7 @@ int pcmcia_resume_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "waking up socket\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = CS_NO_CARD; @@ -841,7 +838,7 @@ int pcmcia_resume_card(struct pcmcia_socket *skt) if (!ret && skt->callback) skt->callback->resume(skt); } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* resume_card */ @@ -855,7 +852,7 @@ int pcmcia_eject_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "user eject request\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (!(skt->state & SOCKET_PRESENT)) { ret = -ENODEV; @@ -871,7 +868,7 @@ int pcmcia_eject_card(struct pcmcia_socket *skt) socket_remove(skt); ret = 0; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* eject_card */ @@ -884,7 +881,7 @@ int pcmcia_insert_card(struct pcmcia_socket *skt) cs_dbg(skt, 1, "user insert request\n"); - down(&skt->skt_sem); + mutex_lock(&skt->skt_mutex); do { if (skt->state & SOCKET_PRESENT) { ret = -EBUSY; @@ -896,7 +893,7 @@ int pcmcia_insert_card(struct pcmcia_socket *skt) } ret = 0; } while (0); - up(&skt->skt_sem); + mutex_unlock(&skt->skt_mutex); return ret; } /* insert_card */ diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index 7b37eba35bf..d6164cd583f 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -15,7 +15,7 @@ #ifndef _LINUX_CS_INTERNAL_H #define _LINUX_CS_INTERNAL_H -#include <linux/config.h> +#include <linux/kref.h> /* Flags in client state */ #define CLIENT_CONFIG_LOCKED 0x0001 @@ -23,7 +23,7 @@ #define CLIENT_IO_REQ 0x0004 #define CLIENT_UNBOUND 0x0008 #define CLIENT_STALE 0x0010 -#define CLIENT_WIN_REQ(i) (0x20<<(i)) +#define CLIENT_WIN_REQ(i) (0x1<<(i)) #define CLIENT_CARDBUS 0x8000 #define REGION_MAGIC 0xE3C9 @@ -31,7 +31,7 @@ typedef struct region_t { u_short region_magic; u_short state; dev_info_t dev_info; - client_handle_t mtd; + struct pcmcia_device *mtd; u_int MediaID; region_info_t info; } region_t; @@ -40,12 +40,12 @@ typedef struct region_t { /* Each card function gets one of these guys */ typedef struct config_t { + struct kref ref; u_int state; u_int Attributes; u_int IntType; u_int ConfigBase; u_char Status, Pin, Copy, Option, ExtStatus; - u_int Present; u_int CardValues; io_req_t io; struct { @@ -95,12 +95,6 @@ static inline void cs_socket_put(struct pcmcia_socket *skt) } } -#define CHECK_SOCKET(s) \ - (((s) >= sockets) || (socket_table[s]->ops == NULL)) - -#define SOCKET(h) (h->socket) -#define CONFIG(h) (&SOCKET(h)->config[(h)->func]) - /* In cardbus.c */ int cb_alloc(struct pcmcia_socket *s); void cb_free(struct pcmcia_socket *s); @@ -133,10 +127,9 @@ extern struct class_interface pccard_sysfs_interface; extern struct rw_semaphore pcmcia_socket_list_rwsem; extern struct list_head pcmcia_socket_list; int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req); -int pccard_get_configuration_info(struct pcmcia_socket *s, unsigned int function, config_info_t *config); +int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config); int pccard_reset_card(struct pcmcia_socket *skt); -int pccard_get_status(struct pcmcia_socket *s, unsigned int function, cs_status_t *status); -int pccard_access_configuration_register(struct pcmcia_socket *s, unsigned int function, conf_reg_t *reg); +int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status); struct pcmcia_callback{ diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index bb96ce1db08..48d3b3d30c2 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -10,10 +10,9 @@ * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. * * (C) 1999 David A. Hinds - * (C) 2003 - 2005 Dominik Brodowski + * (C) 2003 - 2006 Dominik Brodowski */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -23,6 +22,7 @@ #include <linux/workqueue.h> #include <linux/crc32.h> #include <linux/firmware.h> +#include <linux/kref.h> #define IN_CARD_SERVICES #include <pcmcia/cs_types.h> @@ -236,11 +236,11 @@ static void pcmcia_check_driver(struct pcmcia_driver *p_drv) /** * pcmcia_load_firmware - load CIS from userspace if device-provided is broken * @dev - the pcmcia device which needs a CIS override - * @filename - requested filename in /lib/firmware/cis/ + * @filename - requested filename in /lib/firmware/ * * This uses the in-kernel firmware loading mechanism to use a "fake CIS" if * the one provided by the card is broken. The firmware files reside in - * /lib/firmware/cis/ in userspace. + * /lib/firmware/ in userspace. */ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) { @@ -298,9 +298,6 @@ static inline int pcmcia_load_firmware(struct pcmcia_device *dev, char * filenam * * Registers a PCMCIA driver with the PCMCIA bus core. */ -static int pcmcia_device_probe(struct device *dev); -static int pcmcia_device_remove(struct device * dev); - int pcmcia_register_driver(struct pcmcia_driver *driver) { if (!driver) @@ -343,12 +340,19 @@ void pcmcia_put_dev(struct pcmcia_device *p_dev) put_device(&p_dev->dev); } +static void pcmcia_release_function(struct kref *ref) +{ + struct config_t *c = container_of(ref, struct config_t, ref); + kfree(c); +} + static void pcmcia_release_dev(struct device *dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); ds_dbg(1, "releasing dev %p\n", p_dev); pcmcia_put_socket(p_dev->socket); kfree(p_dev->devname); + kref_put(&p_dev->function_config->ref, pcmcia_release_function); kfree(p_dev); } @@ -377,29 +381,12 @@ static int pcmcia_device_probe(struct device * dev) p_drv = to_pcmcia_drv(dev->driver); s = p_dev->socket; - if ((!p_drv->probe) || (!try_module_get(p_drv->owner))) { + if ((!p_drv->probe) || (!p_dev->function_config) || + (!try_module_get(p_drv->owner))) { ret = -EINVAL; goto put_dev; } - p_dev->state &= ~CLIENT_UNBOUND; - - /* set up the device configuration, if it hasn't been done before */ - if (!s->functions) { - cistpl_longlink_mfc_t mfc; - if (pccard_read_tuple(s, p_dev->func, CISTPL_LONGLINK_MFC, - &mfc) == CS_SUCCESS) - s->functions = mfc.nfn; - else - s->functions = 1; - s->config = kzalloc(sizeof(config_t) * s->functions, - GFP_KERNEL); - if (!s->config) { - ret = -ENOMEM; - goto put_module; - } - } - ret = p_drv->probe(p_dev); if (ret) goto put_module; @@ -410,7 +397,7 @@ static int pcmcia_device_probe(struct device * dev) * call which will then check whether there are two * pseudo devices, and if not, add the second one. */ - did = (struct pcmcia_device_id *) p_dev->dev.driver_data; + did = p_dev->dev.driver_data; if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && (p_dev->socket->device_count == 1) && (p_dev->device_no == 0)) pcmcia_add_pseudo_device(p_dev->socket); @@ -425,33 +412,79 @@ static int pcmcia_device_probe(struct device * dev) } +/* + * Removes a PCMCIA card from the device tree and socket list. + */ +static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *leftover) +{ + struct pcmcia_device *p_dev; + struct pcmcia_device *tmp; + unsigned long flags; + + ds_dbg(2, "unbind_request(%d)\n", s->sock); + + + if (!leftover) + s->device_count = 0; + else + s->device_count = 1; + + /* unregister all pcmcia_devices registered with this socket, except leftover */ + list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) { + if (p_dev == leftover) + continue; + + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + list_del(&p_dev->socket_device_list); + p_dev->_removed=1; + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + + device_unregister(&p_dev->dev); + } + + return; +} + static int pcmcia_device_remove(struct device * dev) { struct pcmcia_device *p_dev; struct pcmcia_driver *p_drv; + struct pcmcia_device_id *did; int i; - /* detach the "instance" */ p_dev = to_pcmcia_dev(dev); p_drv = to_pcmcia_drv(dev->driver); + + /* If we're removing the primary module driving a + * pseudo multi-function card, we need to unbind + * all devices + */ + did = p_dev->dev.driver_data; + if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && + (p_dev->socket->device_count != 0) && + (p_dev->device_no == 0)) + pcmcia_card_remove(p_dev->socket, p_dev); + + /* detach the "instance" */ if (!p_drv) return 0; if (p_drv->remove) p_drv->remove(p_dev); + p_dev->dev_node = NULL; + /* check for proper unloading */ - if (p_dev->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED)) + if (p_dev->_irq || p_dev->_io || p_dev->_locked) printk(KERN_INFO "pcmcia: driver %s did not release config properly\n", p_drv->drv.name); for (i = 0; i < MAX_WIN; i++) - if (p_dev->state & CLIENT_WIN_REQ(i)) + if (p_dev->_win & CLIENT_WIN_REQ(i)) printk(KERN_INFO "pcmcia: driver %s did not release windows properly\n", p_drv->drv.name); /* references from pcmcia_probe_device */ - p_dev->state = CLIENT_UNBOUND; pcmcia_put_dev(p_dev); module_put(p_drv->owner); @@ -460,37 +493,6 @@ static int pcmcia_device_remove(struct device * dev) /* - * Removes a PCMCIA card from the device tree and socket list. - */ -static void pcmcia_card_remove(struct pcmcia_socket *s) -{ - struct pcmcia_device *p_dev; - unsigned long flags; - - ds_dbg(2, "unbind_request(%d)\n", s->sock); - - s->device_count = 0; - - for (;;) { - /* unregister all pcmcia_devices registered with this socket*/ - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - if (list_empty(&s->devices_list)) { - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - return; - } - p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list); - list_del(&p_dev->socket_device_list); - p_dev->state |= CLIENT_STALE; - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - - device_unregister(&p_dev->dev); - } - - return; -} /* unbind_request */ - - -/* * pcmcia_device_query -- determine information about a pcmcia device */ static int pcmcia_device_query(struct pcmcia_device *p_dev) @@ -546,7 +548,7 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) tmp = vers1->str + vers1->ofs[i]; length = strlen(tmp) + 1; - if ((length < 3) || (length > 255)) + if ((length < 2) || (length > 255)) continue; p_dev->prod_id[i] = kmalloc(sizeof(char) * length, @@ -571,11 +573,11 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev) * won't work, this doesn't matter much at the moment: the driver core doesn't * support it either. */ -static DECLARE_MUTEX(device_add_lock); +static DEFINE_MUTEX(device_add_lock); struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function) { - struct pcmcia_device *p_dev; + struct pcmcia_device *p_dev, *tmp_dev; unsigned long flags; int bus_id_len; @@ -583,7 +585,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f if (!s) return NULL; - down(&device_add_lock); + mutex_lock(&device_add_lock); /* max of 2 devices per card */ if (s->device_count == 2) @@ -596,6 +598,8 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f p_dev->socket = s; p_dev->device_no = (s->device_count++); p_dev->func = function; + if (s->functions <= function) + s->functions = function + 1; p_dev->dev.bus = &pcmcia_bus_type; p_dev->dev.parent = s->dev.dev; @@ -608,36 +612,55 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id); /* compat */ - p_dev->state = CLIENT_UNBOUND; + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + + /* + * p_dev->function_config must be the same for all card functions. + * Note that this is serialized by the device_add_lock, so that + * only one such struct will be created. + */ + list_for_each_entry(tmp_dev, &s->devices_list, socket_device_list) + if (p_dev->func == tmp_dev->func) { + p_dev->function_config = tmp_dev->function_config; + kref_get(&p_dev->function_config->ref); + } /* Add to the list in pcmcia_bus_socket */ - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - list_add_tail(&p_dev->socket_device_list, &s->devices_list); + list_add(&p_dev->socket_device_list, &s->devices_list); + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + if (!p_dev->function_config) { + p_dev->function_config = kzalloc(sizeof(struct config_t), + GFP_KERNEL); + if (!p_dev->function_config) + goto err_unreg; + kref_init(&p_dev->function_config->ref); + } + printk(KERN_NOTICE "pcmcia: registering new device %s\n", p_dev->devname); pcmcia_device_query(p_dev); - if (device_register(&p_dev->dev)) { - spin_lock_irqsave(&pcmcia_dev_list_lock, flags); - list_del(&p_dev->socket_device_list); - spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - - goto err_free; - } + if (device_register(&p_dev->dev)) + goto err_unreg; - up(&device_add_lock); + mutex_unlock(&device_add_lock); return p_dev; + err_unreg: + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + list_del(&p_dev->socket_device_list); + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + err_free: kfree(p_dev->devname); kfree(p_dev); s->device_count--; err_put: - up(&device_add_lock); + mutex_unlock(&device_add_lock); pcmcia_put_socket(s); return NULL; @@ -696,7 +719,7 @@ static void pcmcia_bus_rescan(struct pcmcia_socket *skt) int no_devices=0; unsigned long flags; - /* must be called with skt_sem held */ + /* must be called with skt_mutex held */ spin_lock_irqsave(&pcmcia_dev_list_lock, flags); if (list_empty(&skt->devices_list)) no_devices=1; @@ -819,9 +842,11 @@ static int pcmcia_bus_match(struct device * dev, struct device_driver * drv) { struct pcmcia_driver * p_drv = to_pcmcia_drv(drv); struct pcmcia_device_id *did = p_drv->id_table; +#ifdef CONFIG_PCMCIA_IOCTL /* matching by cardmgr */ if (p_dev->cardmgr == p_drv) return 1; +#endif while (did && did->match_flags) { if (pcmcia_devmatch(p_dev, did)) @@ -927,7 +952,7 @@ static ssize_t pcmcia_show_pm_state(struct device *dev, struct device_attribute { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); - if (p_dev->dev.power.power_state.event != PM_EVENT_ON) + if (p_dev->suspended) return sprintf(buf, "off\n"); else return sprintf(buf, "on\n"); @@ -942,11 +967,9 @@ static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute if (!count) return -EINVAL; - if ((p_dev->dev.power.power_state.event == PM_EVENT_ON) && - (!strncmp(buf, "off", 3))) + if ((!p_dev->suspended) && !strncmp(buf, "off", 3)) ret = dpm_runtime_suspend(dev, PMSG_SUSPEND); - else if ((p_dev->dev.power.power_state.event != PM_EVENT_ON) && - (!strncmp(buf, "on", 2))) + else if (p_dev->suspended && !strncmp(buf, "on", 2)) dpm_runtime_resume(dev); return ret ? ret : count; @@ -982,9 +1005,9 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev, if (!count) return -EINVAL; - down(&p_dev->socket->skt_sem); + mutex_lock(&p_dev->socket->skt_mutex); p_dev->allow_func_id_match = 1; - up(&p_dev->socket->skt_sem); + mutex_unlock(&p_dev->socket->skt_mutex); bus_rescan_devices(&pcmcia_bus_type); @@ -1012,14 +1035,27 @@ static int pcmcia_dev_suspend(struct device * dev, pm_message_t state) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = NULL; + int ret = 0; if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); - if (p_drv && p_drv->suspend) - return p_drv->suspend(p_dev); + if (!p_drv) + goto out; - return 0; + if (p_drv->suspend) { + ret = p_drv->suspend(p_dev); + if (ret) + goto out; + } + + if (p_dev->device_no == p_dev->func) + pcmcia_release_configuration(p_dev); + + out: + if (!ret) + p_dev->suspended = 1; + return ret; } @@ -1027,14 +1063,27 @@ static int pcmcia_dev_resume(struct device * dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = NULL; + int ret = 0; if (dev->driver) p_drv = to_pcmcia_drv(dev->driver); - if (p_drv && p_drv->resume) - return p_drv->resume(p_dev); + if (!p_drv) + goto out; - return 0; + if (p_dev->device_no == p_dev->func) { + ret = pcmcia_request_configuration(p_dev, &p_dev->conf); + if (ret) + goto out; + } + + if (p_drv->resume) + ret = p_drv->resume(p_dev); + + out: + if (!ret) + p_dev->suspended = 0; + return ret; } @@ -1100,7 +1149,7 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) switch (event) { case CS_EVENT_CARD_REMOVAL: s->pcmcia_state.present = 0; - pcmcia_card_remove(skt); + pcmcia_card_remove(skt, NULL); handle_event(skt, event); break; @@ -1128,6 +1177,32 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority) } /* ds_event */ +struct pcmcia_device * pcmcia_dev_present(struct pcmcia_device *_p_dev) +{ + struct pcmcia_device *p_dev; + struct pcmcia_device *ret = NULL; + + p_dev = pcmcia_get_dev(_p_dev); + if (!p_dev) + return NULL; + + if (!p_dev->socket->pcmcia_state.present) + goto out; + + if (p_dev->_removed) + goto out; + + if (p_dev->suspended) + goto out; + + ret = p_dev; + out: + pcmcia_put_dev(p_dev); + return ret; +} +EXPORT_SYMBOL(pcmcia_dev_present); + + static struct pcmcia_callback pcmcia_bus_callback = { .owner = THIS_MODULE, .event = ds_event, diff --git a/drivers/pcmcia/ds_internal.h b/drivers/pcmcia/ds_internal.h index d359bd25a51..3a2b25e6ed7 100644 --- a/drivers/pcmcia/ds_internal.h +++ b/drivers/pcmcia/ds_internal.h @@ -8,6 +8,8 @@ extern void pcmcia_put_dev(struct pcmcia_device *p_dev); struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int function); +extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); + #ifdef CONFIG_PCMCIA_IOCTL extern void __init pcmcia_setup_ioctl(void); extern void __exit pcmcia_cleanup_ioctl(void); @@ -15,7 +17,7 @@ extern void handle_event(struct pcmcia_socket *s, event_t event); extern int handle_request(struct pcmcia_socket *s, event_t event); #else static inline void __init pcmcia_setup_ioctl(void) { return; } -static inline void __init pcmcia_cleanup_ioctl(void) { return; } +static inline void __exit pcmcia_cleanup_ioctl(void) { return; } static inline void handle_event(struct pcmcia_socket *s, event_t event) { return; } static inline int handle_request(struct pcmcia_socket *s, event_t event) { return CS_SUCCESS; } #endif diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c index 7979c85df3d..d5f03a338c6 100644 --- a/drivers/pcmcia/i82092.c +++ b/drivers/pcmcia/i82092.c @@ -10,7 +10,6 @@ */ #include <linux/kernel.h> -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/init.h> diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index 35a92d1e494..a2f05f48515 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -34,7 +34,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> -#include <linux/config.h> #include <linux/types.h> #include <linux/fcntl.h> #include <linux/string.h> @@ -510,7 +509,8 @@ static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs) static u_int __init test_irq(u_short sock, int irq) { debug(2, " testing ISA irq %d\n", irq); - if (request_irq(irq, i365_count_irq, 0, "scan", i365_count_irq) != 0) + if (request_irq(irq, i365_count_irq, SA_PROBEIRQ, "scan", + i365_count_irq) != 0) return 1; irq_hits = 0; irq_sock = sock; msleep(10); @@ -562,7 +562,7 @@ static u_int __init isa_scan(u_short sock, u_int mask0) } else { /* Fallback: just find interrupts that aren't in use */ for (i = 0; i < 16; i++) - if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0)) + if ((mask0 & (1 << i)) && (_check_irq(i, SA_PROBEIRQ) == 0)) mask1 |= (1 << i); printk("default"); /* If scan failed, default to polled status */ @@ -726,7 +726,7 @@ static void __init add_pcic(int ns, int type) u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12)); for (cs_irq = 15; cs_irq > 0; cs_irq--) if ((cs_mask & (1 << cs_irq)) && - (_check_irq(cs_irq, 0) == 0)) + (_check_irq(cs_irq, SA_PROBEIRQ) == 0)) break; if (cs_irq) { grab_irq = 1; diff --git a/drivers/pcmcia/pcmcia_compat.c b/drivers/pcmcia/pcmcia_compat.c deleted file mode 100644 index ebb161c4f81..00000000000 --- a/drivers/pcmcia/pcmcia_compat.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * PCMCIA 16-bit compatibility functions - * - * The initial developer of the original code is David A. Hinds - * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds - * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. - * - * Copyright (C) 2004 Dominik Brodowski - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/init.h> - -#define IN_CARD_SERVICES -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/bulkmem.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/ds.h> -#include <pcmcia/ss.h> - -#include "cs_internal.h" - -int pcmcia_get_first_tuple(struct pcmcia_device *p_dev, tuple_t *tuple) -{ - return pccard_get_first_tuple(p_dev->socket, p_dev->func, tuple); -} -EXPORT_SYMBOL(pcmcia_get_first_tuple); - -int pcmcia_get_next_tuple(struct pcmcia_device *p_dev, tuple_t *tuple) -{ - return pccard_get_next_tuple(p_dev->socket, p_dev->func, tuple); -} -EXPORT_SYMBOL(pcmcia_get_next_tuple); - -int pcmcia_get_tuple_data(struct pcmcia_device *p_dev, tuple_t *tuple) -{ - return pccard_get_tuple_data(p_dev->socket, tuple); -} -EXPORT_SYMBOL(pcmcia_get_tuple_data); - -int pcmcia_parse_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, cisparse_t *parse) -{ - return pccard_parse_tuple(tuple, parse); -} -EXPORT_SYMBOL(pcmcia_parse_tuple); - -int pcmcia_validate_cis(struct pcmcia_device *p_dev, cisinfo_t *info) -{ - return pccard_validate_cis(p_dev->socket, p_dev->func, info); -} -EXPORT_SYMBOL(pcmcia_validate_cis); - - -int pcmcia_reset_card(struct pcmcia_device *p_dev, client_req_t *req) -{ - return pccard_reset_card(p_dev->socket); -} -EXPORT_SYMBOL(pcmcia_reset_card); diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 80969f7e7a0..c53db7ceda5 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -18,7 +18,6 @@ */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -70,10 +69,26 @@ extern int ds_pc_debug; #define ds_dbg(lvl, fmt, arg...) do { } while (0) #endif +static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s, + unsigned int function) +{ + struct pcmcia_device *p_dev = NULL; + unsigned long flags; + + spin_lock_irqsave(&pcmcia_dev_list_lock, flags); + list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { + if (p_dev->func == function) { + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + return pcmcia_get_dev(p_dev); + } + } + spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); + return NULL; +} /* backwards-compatible accessing of driver --- by name! */ -static struct pcmcia_driver * get_pcmcia_driver (dev_info_t *dev_info) +static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info) { struct device_driver *drv; struct pcmcia_driver *p_drv; @@ -214,7 +229,7 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info) * by userspace before, we need to * return the "instance". */ spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - bind_info->instance = p_dev->instance; + bind_info->instance = p_dev; ret = -EBUSY; goto err_put_module; } else { @@ -253,9 +268,9 @@ rescan: /* * Prevent this racing with a card insertion. */ - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); bus_rescan_devices(&pcmcia_bus_type); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); /* check whether the driver indeed matched. I don't care if this * is racy or not, because it can only happen on cardmgr access @@ -289,6 +304,7 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int { dev_node_t *node; struct pcmcia_device *p_dev; + struct pcmcia_driver *p_drv; unsigned long flags; int ret = 0; @@ -343,16 +359,16 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int found: spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); - if ((!p_dev->instance) || - (p_dev->instance->state & DEV_CONFIG_PENDING)) { + p_drv = to_pcmcia_drv(p_dev->dev.driver); + if (p_drv && !p_dev->_locked) { ret = -EAGAIN; goto err_put; } if (first) - node = p_dev->instance->dev; + node = p_dev->dev_node; else - for (node = p_dev->instance->dev; node; node = node->next) + for (node = p_dev->dev_node; node; node = node->next) if (node == bind_info->next) break; if (!node) { @@ -583,14 +599,16 @@ static int ds_ioctl(struct inode * inode, struct file * file, if (buf->config.Function && (buf->config.Function >= s->functions)) ret = CS_BAD_ARGS; - else - ret = pccard_get_configuration_info(s, - buf->config.Function, &buf->config); + else { + struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function); + ret = pccard_get_configuration_info(s, p_dev, &buf->config); + pcmcia_put_dev(p_dev); + } break; case DS_GET_FIRST_TUPLE: - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); pcmcia_validate_mem(s); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); ret = pccard_get_first_tuple(s, BIND_FN_ALL, &buf->tuple); break; case DS_GET_NEXT_TUPLE: @@ -609,16 +627,19 @@ static int ds_ioctl(struct inode * inode, struct file * file, ret = pccard_reset_card(s); break; case DS_GET_STATUS: - if (buf->status.Function && - (buf->status.Function >= s->functions)) - ret = CS_BAD_ARGS; - else - ret = pccard_get_status(s, buf->status.Function, &buf->status); - break; + if (buf->status.Function && + (buf->status.Function >= s->functions)) + ret = CS_BAD_ARGS; + else { + struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function); + ret = pccard_get_status(s, p_dev, &buf->status); + pcmcia_put_dev(p_dev); + } + break; case DS_VALIDATE_CIS: - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); pcmcia_validate_mem(s); - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); ret = pccard_validate_cis(s, BIND_FN_ALL, &buf->cisinfo); break; case DS_SUSPEND_CARD: @@ -638,12 +659,16 @@ static int ds_ioctl(struct inode * inode, struct file * file, err = -EPERM; goto free_out; } - if (buf->conf_reg.Function && - (buf->conf_reg.Function >= s->functions)) - ret = CS_BAD_ARGS; - else - ret = pccard_access_configuration_register(s, - buf->conf_reg.Function, &buf->conf_reg); + + ret = CS_BAD_ARGS; + + if (!(buf->conf_reg.Function && + (buf->conf_reg.Function >= s->functions))) { + struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function); + if (p_dev) + ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg); + pcmcia_put_dev(p_dev); + } break; case DS_GET_FIRST_REGION: case DS_GET_NEXT_REGION: diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c index 89022ad5b52..3131bb0a009 100644 --- a/drivers/pcmcia/pcmcia_resource.c +++ b/drivers/pcmcia/pcmcia_resource.c @@ -14,7 +14,6 @@ * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/interrupt.h> @@ -89,7 +88,6 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base, } if ((s->features & SS_CAP_STATIC_MAP) && s->io_offset) { *base = s->io_offset | (*base & 0x0fff); - s->io[0].Attributes = attr; return 0; } /* Check for an already-allocated window that must conflict with @@ -97,38 +95,36 @@ static int alloc_io_space(struct pcmcia_socket *s, u_int attr, ioaddr_t *base, * potential conflicts, just the most obvious ones. */ for (i = 0; i < MAX_IO_WIN; i++) - if ((s->io[i].NumPorts != 0) && - ((s->io[i].BasePort & (align-1)) == *base)) + if ((s->io[i].res) && + ((s->io[i].res->start & (align-1)) == *base)) return 1; for (i = 0; i < MAX_IO_WIN; i++) { - if (s->io[i].NumPorts == 0) { + if (!s->io[i].res) { s->io[i].res = pcmcia_find_io_region(*base, num, align, s); if (s->io[i].res) { - s->io[i].Attributes = attr; - s->io[i].BasePort = *base = s->io[i].res->start; - s->io[i].NumPorts = s->io[i].InUse = num; + *base = s->io[i].res->start; + s->io[i].res->flags = (s->io[i].res->flags & ~IORESOURCE_BITS) | (attr & IORESOURCE_BITS); + s->io[i].InUse = num; break; } else return 1; - } else if (s->io[i].Attributes != attr) + } else if ((s->io[i].res->flags & IORESOURCE_BITS) != (attr & IORESOURCE_BITS)) continue; /* Try to extend top of window */ - try = s->io[i].BasePort + s->io[i].NumPorts; + try = s->io[i].res->end + 1; if ((*base == 0) || (*base == try)) if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start, s->io[i].res->end + num, s) == 0) { *base = try; - s->io[i].NumPorts += num; s->io[i].InUse += num; break; } /* Try to extend bottom of window */ - try = s->io[i].BasePort - num; + try = s->io[i].res->start - num; if ((*base == 0) || (*base == try)) if (pcmcia_adjust_io_region(s->io[i].res, s->io[i].res->start - num, s->io[i].res->end, s) == 0) { - s->io[i].BasePort = *base = try; - s->io[i].NumPorts += num; + *base = try; s->io[i].InUse += num; break; } @@ -143,12 +139,13 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base, int i; for (i = 0; i < MAX_IO_WIN; i++) { - if ((s->io[i].BasePort <= base) && - (s->io[i].BasePort+s->io[i].NumPorts >= base+num)) { + if (!s->io[i].res) + continue; + if ((s->io[i].res->start <= base) && + (s->io[i].res->end >= base+num-1)) { s->io[i].InUse -= num; /* Free the window if no one else is using it */ if (s->io[i].InUse == 0) { - s->io[i].NumPorts = 0; release_resource(s->io[i].res); kfree(s->io[i].res); s->io[i].res = NULL; @@ -165,21 +162,19 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base, * this and the tuple reading services. */ -int pccard_access_configuration_register(struct pcmcia_socket *s, - unsigned int function, +int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, conf_reg_t *reg) { + struct pcmcia_socket *s; config_t *c; int addr; u_char val; - if (!s || !s->config) + if (!p_dev || !p_dev->function_config) return CS_NO_CARD; - c = &s->config[function]; - - if (c == NULL) - return CS_NO_CARD; + s = p_dev->socket; + c = p_dev->function_config; if (!(c->state & CONFIG_LOCKED)) return CS_CONFIGURATION_LOCKED; @@ -200,20 +195,12 @@ int pccard_access_configuration_register(struct pcmcia_socket *s, break; } return CS_SUCCESS; -} /* pccard_access_configuration_register */ - -int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, - conf_reg_t *reg) -{ - return pccard_access_configuration_register(p_dev->socket, - p_dev->func, reg); -} +} /* pcmcia_access_configuration_register */ EXPORT_SYMBOL(pcmcia_access_configuration_register); - int pccard_get_configuration_info(struct pcmcia_socket *s, - unsigned int function, + struct pcmcia_device *p_dev, config_info_t *config) { config_t *c; @@ -221,7 +208,6 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - config->Function = function; #ifdef CONFIG_CARDBUS if (s->state & SOCKET_CARDBUS) { @@ -235,14 +221,22 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, config->AssignedIRQ = s->irq.AssignedIRQ; if (config->AssignedIRQ) config->Attributes |= CONF_ENABLE_IRQ; - config->BasePort1 = s->io[0].BasePort; - config->NumPorts1 = s->io[0].NumPorts; + if (s->io[0].res) { + config->BasePort1 = s->io[0].res->start; + config->NumPorts1 = s->io[0].res->end - config->BasePort1 + 1; + } } return CS_SUCCESS; } #endif - c = (s->config != NULL) ? &s->config[function] : NULL; + if (p_dev) { + c = p_dev->function_config; + config->Function = p_dev->func; + } else { + c = NULL; + config->Function = 0; + } if ((c == NULL) || !(c->state & CONFIG_LOCKED)) { config->Attributes = 0; @@ -271,7 +265,7 @@ int pccard_get_configuration_info(struct pcmcia_socket *s, int pcmcia_get_configuration_info(struct pcmcia_device *p_dev, config_info_t *config) { - return pccard_get_configuration_info(p_dev->socket, p_dev->func, + return pccard_get_configuration_info(p_dev->socket, p_dev, config); } EXPORT_SYMBOL(pcmcia_get_configuration_info); @@ -317,7 +311,7 @@ EXPORT_SYMBOL(pcmcia_get_window); * SocketState yet: I haven't seen any point for it. */ -int pccard_get_status(struct pcmcia_socket *s, unsigned int function, +int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status) { config_t *c; @@ -334,11 +328,12 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - c = (s->config != NULL) ? &s->config[function] : NULL; + c = (p_dev) ? p_dev->function_config : NULL; + if ((c != NULL) && (c->state & CONFIG_LOCKED) && (c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) { u_char reg; - if (c->Present & PRESENT_PIN_REPLACE) { + if (c->CardValues & PRESENT_PIN_REPLACE) { pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®); status->CardState |= (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0; @@ -352,7 +347,7 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, /* No PRR? Then assume we're always ready */ status->CardState |= CS_EVENT_READY_CHANGE; } - if (c->Present & PRESENT_EXT_STATUS) { + if (c->CardValues & PRESENT_EXT_STATUS) { pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®); status->CardState |= (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0; @@ -370,11 +365,9 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function, return CS_SUCCESS; } /* pccard_get_status */ -int pcmcia_get_status(client_handle_t handle, cs_status_t *status) +int pcmcia_get_status(struct pcmcia_device *p_dev, cs_status_t *status) { - struct pcmcia_socket *s; - s = SOCKET(handle); - return pccard_get_status(s, handle->func, status); + return pccard_get_status(p_dev->socket, p_dev, status); } EXPORT_SYMBOL(pcmcia_get_status); @@ -422,7 +415,8 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev, config_t *c; s = p_dev->socket; - c = CONFIG(p_dev); + c = p_dev->function_config; + if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; if (!(c->state & CONFIG_LOCKED)) @@ -454,6 +448,28 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev, (mod->Attributes & CONF_VPP2_CHANGE_VALID)) return CS_BAD_VPP; + if (mod->Attributes & CONF_IO_CHANGE_WIDTH) { + pccard_io_map io_off = { 0, 0, 0, 0, 1 }; + pccard_io_map io_on; + int i; + + io_on.speed = io_speed; + for (i = 0; i < MAX_IO_WIN; i++) { + if (!s->io[i].res) + continue; + io_off.map = i; + io_on.map = i; + + io_on.flags = MAP_ACTIVE | IO_DATA_PATH_WIDTH_8; + io_on.start = s->io[i].res->start; + io_on.stop = s->io[i].res->end; + + s->ops->set_io_map(s, &io_off); + mdelay(40); + s->ops->set_io_map(s, &io_on); + } + } + return CS_SUCCESS; } /* modify_configuration */ EXPORT_SYMBOL(pcmcia_modify_configuration); @@ -463,23 +479,23 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) { pccard_io_map io = { 0, 0, 0, 0, 1 }; struct pcmcia_socket *s = p_dev->socket; + config_t *c = p_dev->function_config; int i; - if (!(p_dev->state & CLIENT_CONFIG_LOCKED)) - return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_CONFIG_LOCKED; - - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); + if (p_dev->_locked) { + p_dev->_locked = 0; if (--(s->lock_count) == 0) { s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */ s->socket.Vpp = 0; s->socket.io_irq = 0; s->ops->set_socket(s, &s->socket); } + } + if (c->state & CONFIG_LOCKED) { + c->state &= ~CONFIG_LOCKED; if (c->state & CONFIG_IO_REQ) for (i = 0; i < MAX_IO_WIN; i++) { - if (s->io[i].NumPorts == 0) + if (!s->io[i].res) continue; s->io[i].Config--; if (s->io[i].Config != 0) @@ -487,12 +503,10 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev) io.map = i; s->ops->set_io_map(s, &io); } - c->state &= ~CONFIG_LOCKED; } return CS_SUCCESS; } /* pcmcia_release_configuration */ -EXPORT_SYMBOL(pcmcia_release_configuration); /** pcmcia_release_io @@ -503,25 +517,23 @@ EXPORT_SYMBOL(pcmcia_release_configuration); * don't bother checking the port ranges against the current socket * values. */ -int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) +static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) { struct pcmcia_socket *s = p_dev->socket; + config_t *c = p_dev->function_config; - if (!(p_dev->state & CLIENT_IO_REQ)) + if (!p_dev->_io ) return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_IO_REQ; - - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); - if (c->state & CONFIG_LOCKED) - return CS_CONFIGURATION_LOCKED; - if ((c->io.BasePort1 != req->BasePort1) || - (c->io.NumPorts1 != req->NumPorts1) || - (c->io.BasePort2 != req->BasePort2) || - (c->io.NumPorts2 != req->NumPorts2)) - return CS_BAD_ARGS; - c->state &= ~CONFIG_IO_REQ; - } + + p_dev->_io = 0; + + if ((c->io.BasePort1 != req->BasePort1) || + (c->io.NumPorts1 != req->NumPorts1) || + (c->io.BasePort2 != req->BasePort2) || + (c->io.NumPorts2 != req->NumPorts2)) + return CS_BAD_ARGS; + + c->state &= ~CONFIG_IO_REQ; release_io_space(s, req->BasePort1, req->NumPorts1); if (req->NumPorts2) @@ -529,28 +541,26 @@ int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) return CS_SUCCESS; } /* pcmcia_release_io */ -EXPORT_SYMBOL(pcmcia_release_io); -int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) +static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) { struct pcmcia_socket *s = p_dev->socket; - if (!(p_dev->state & CLIENT_IRQ_REQ)) + config_t *c= p_dev->function_config; + + if (!p_dev->_irq) return CS_BAD_HANDLE; - p_dev->state &= ~CLIENT_IRQ_REQ; - - if (!(p_dev->state & CLIENT_STALE)) { - config_t *c = CONFIG(p_dev); - if (c->state & CONFIG_LOCKED) - return CS_CONFIGURATION_LOCKED; - if (c->irq.Attributes != req->Attributes) - return CS_BAD_ATTRIBUTE; - if (s->irq.AssignedIRQ != req->AssignedIRQ) - return CS_BAD_IRQ; - if (--s->irq.Config == 0) { - c->state &= ~CONFIG_IRQ_REQ; - s->irq.AssignedIRQ = 0; - } + p_dev->_irq = 0; + + if (c->state & CONFIG_LOCKED) + return CS_CONFIGURATION_LOCKED; + if (c->irq.Attributes != req->Attributes) + return CS_BAD_ATTRIBUTE; + if (s->irq.AssignedIRQ != req->AssignedIRQ) + return CS_BAD_IRQ; + if (--s->irq.Config == 0) { + c->state &= ~CONFIG_IRQ_REQ; + s->irq.AssignedIRQ = 0; } if (req->Attributes & IRQ_HANDLE_PRESENT) { @@ -563,7 +573,6 @@ int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) return CS_SUCCESS; } /* pcmcia_release_irq */ -EXPORT_SYMBOL(pcmcia_release_irq); int pcmcia_release_window(window_handle_t win) @@ -573,7 +582,7 @@ int pcmcia_release_window(window_handle_t win) if ((win == NULL) || (win->magic != WINDOW_MAGIC)) return CS_BAD_HANDLE; s = win->sock; - if (!(win->handle->state & CLIENT_WIN_REQ(win->index))) + if (!(win->handle->_win & CLIENT_WIN_REQ(win->index))) return CS_BAD_HANDLE; /* Shut down memory window */ @@ -587,7 +596,7 @@ int pcmcia_release_window(window_handle_t win) kfree(win->ctl.res); win->ctl.res = NULL; } - win->handle->state &= ~CLIENT_WIN_REQ(win->index); + win->handle->_win &= ~CLIENT_WIN_REQ(win->index); win->magic = 0; @@ -610,16 +619,12 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (req->IntType & INT_CARDBUS) return CS_UNSUPPORTED_MODE; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; /* Do power control. We don't allow changes in Vcc. */ - if (s->socket.Vcc != req->Vcc) - return CS_BAD_VCC; - if (req->Vpp1 != req->Vpp2) - return CS_BAD_VPP; - s->socket.Vpp = req->Vpp1; + s->socket.Vpp = req->Vpp; if (s->ops->set_socket(s, &s->socket)) return CS_BAD_VPP; @@ -643,7 +648,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, /* Set up CIS configuration registers */ base = c->ConfigBase = req->ConfigBase; - c->Present = c->CardValues = req->Present; + c->CardValues = req->Present; if (req->Present & PRESENT_COPY) { c->Copy = req->Copy; pcmcia_write_cis_mem(s, 1, (base + CISREG_SCR)>>1, 1, &c->Copy); @@ -690,10 +695,10 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, if (c->state & CONFIG_IO_REQ) { iomap.speed = io_speed; for (i = 0; i < MAX_IO_WIN; i++) - if (s->io[i].NumPorts != 0) { + if (s->io[i].res) { iomap.map = i; iomap.flags = MAP_ACTIVE; - switch (s->io[i].Attributes & IO_DATA_PATH_WIDTH) { + switch (s->io[i].res->flags & IO_DATA_PATH_WIDTH) { case IO_DATA_PATH_WIDTH_16: iomap.flags |= MAP_16BIT; break; case IO_DATA_PATH_WIDTH_AUTO: @@ -701,15 +706,15 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev, default: break; } - iomap.start = s->io[i].BasePort; - iomap.stop = iomap.start + s->io[i].NumPorts - 1; + iomap.start = s->io[i].res->start; + iomap.stop = s->io[i].res->end; s->ops->set_io_map(s, &iomap); s->io[i].Config++; } } c->state |= CONFIG_LOCKED; - p_dev->state |= CLIENT_CONFIG_LOCKED; + p_dev->_locked = 1; return CS_SUCCESS; } /* pcmcia_request_configuration */ EXPORT_SYMBOL(pcmcia_request_configuration); @@ -730,7 +735,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) if (!req) return CS_UNSUPPORTED_MODE; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if (c->state & CONFIG_IO_REQ) @@ -755,7 +760,7 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req) c->io = *req; c->state |= CONFIG_IO_REQ; - p_dev->state |= CLIENT_IO_REQ; + p_dev->_io = 1; return CS_SUCCESS; } /* pcmcia_request_io */ EXPORT_SYMBOL(pcmcia_request_io); @@ -786,7 +791,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) if (!(s->state & SOCKET_PRESENT)) return CS_NO_CARD; - c = CONFIG(p_dev); + c = p_dev->function_config; if (c->state & CONFIG_LOCKED) return CS_CONFIGURATION_LOCKED; if (c->state & CONFIG_IRQ_REQ) @@ -851,7 +856,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req) s->irq.Config++; c->state |= CONFIG_IRQ_REQ; - p_dev->state |= CLIENT_IRQ_REQ; + p_dev->_irq = 1; #ifdef CONFIG_PCMCIA_PROBE pcmcia_used_irq[irq]++; @@ -911,7 +916,7 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h if (!win->ctl.res) return CS_IN_USE; } - (*p_dev)->state |= CLIENT_WIN_REQ(w); + (*p_dev)->_win |= CLIENT_WIN_REQ(w); /* Configure the socket controller */ win->ctl.map = w+1; @@ -941,3 +946,12 @@ int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_h return CS_SUCCESS; } /* pcmcia_request_window */ EXPORT_SYMBOL(pcmcia_request_window); + +void pcmcia_disable_device(struct pcmcia_device *p_dev) { + pcmcia_release_configuration(p_dev); + pcmcia_release_io(p_dev, &p_dev->io); + pcmcia_release_irq(p_dev, &p_dev->irq); + if (&p_dev->win) + pcmcia_release_window(p_dev->win); +} +EXPORT_SYMBOL(pcmcia_disable_device); diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index f2789afb22b..16d1ea7b0a1 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -8,7 +8,6 @@ */ #include <linux/kernel.h> -#include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/init.h> diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index fd364736895..b7b9e149c5b 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -26,14 +26,6 @@ #include "soc_common.h" #define NO_KEEP_VS 0x0001 - -/* PCMCIA to Scoop linkage - - There is no easy way to link multiple scoop devices into one - single entity for the pxa2xx_pcmcia device so this structure - is used which is setup by the platform code -*/ -struct scoop_pcmcia_config *platform_scoop_config; #define SCOOP_DEV platform_scoop_config->devs static void sharpsl_pcmcia_init_reset(struct soc_pcmcia_socket *skt) diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index 51460936983..81dfc2cac2b 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -12,7 +12,6 @@ * (C) 1999 David A. Hinds */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> @@ -22,6 +21,8 @@ #include "cs_internal.h" +#ifdef CONFIG_PCMCIA_IOCTL + #ifdef CONFIG_PCMCIA_PROBE static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) @@ -98,6 +99,8 @@ int pcmcia_adjust_resource_info(adjust_t *adj) } EXPORT_SYMBOL(pcmcia_adjust_resource_info); +#endif + int pcmcia_validate_mem(struct pcmcia_socket *s) { if (s->resource_ops->validate_mem) diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 5301ac60358..0f8b157c971 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -12,7 +12,6 @@ * (C) 1999 David A. Hinds */ -#include <linux/config.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> @@ -61,7 +60,7 @@ struct socket_data { unsigned int rsrc_mem_probe; }; -static DECLARE_MUTEX(rsrc_sem); +static DEFINE_MUTEX(rsrc_mutex); #define MEM_PROBE_LOW (1 << 0) #define MEM_PROBE_HIGH (1 << 1) @@ -484,7 +483,7 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) /* - * Locking note: Must be called with skt_sem held! + * Locking note: Must be called with skt_mutex held! */ static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) { @@ -495,7 +494,7 @@ static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) if (!probe_mem) return 0; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); if (s->features & SS_CAP_PAGE_REGS) probe_mask = MEM_PROBE_HIGH; @@ -507,7 +506,7 @@ static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) s_data->rsrc_mem_probe |= probe_mask; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -585,7 +584,7 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star struct socket_data *s_data = s->resource_data; int ret = -ENOMEM; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); for (m = s_data->io_db.next; m != &s_data->io_db; m = m->next) { unsigned long start = m->base; unsigned long end = m->base + m->num - 1; @@ -596,7 +595,7 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star ret = adjust_resource(res, r_start, r_end - r_start + 1); break; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -630,7 +629,7 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num, data.offset = base & data.mask; data.map = &s_data->io_db; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); #ifdef CONFIG_PCI if (s->cb_dev) { ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, @@ -639,7 +638,7 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num, #endif ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, 1, pcmcia_align, &data); - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); if (ret != 0) { kfree(res); @@ -672,7 +671,7 @@ static struct resource * nonstatic_find_mem_region(u_long base, u_long num, min = 0x100000UL + base; } - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); #ifdef CONFIG_PCI if (s->cb_dev) { ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, @@ -682,7 +681,7 @@ static struct resource * nonstatic_find_mem_region(u_long base, u_long num, #endif ret = allocate_resource(&iomem_resource, res, num, min, max, 1, pcmcia_align, &data); - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); if (ret == 0 || low) break; low = 1; @@ -705,7 +704,7 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned if (end < start) return -EINVAL; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); switch (action) { case ADD_MANAGED_RESOURCE: ret = add_interval(&data->mem_db, start, size); @@ -723,7 +722,7 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned default: ret = -EINVAL; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -741,7 +740,7 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long if (end > IO_SPACE_LIMIT) return -EINVAL; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); switch (action) { case ADD_MANAGED_RESOURCE: if (add_interval(&data->io_db, start, size) != 0) { @@ -760,7 +759,7 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long ret = -EINVAL; break; } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return ret; } @@ -867,7 +866,7 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) struct socket_data *data = s->resource_data; struct resource_map *p, *q; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); for (p = data->mem_db.next; p != &data->mem_db; p = q) { q = p->next; kfree(p); @@ -876,7 +875,7 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s) q = p->next; kfree(p); } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); } @@ -901,7 +900,7 @@ static ssize_t show_io_db(struct class_device *class_dev, char *buf) struct resource_map *p; ssize_t ret = 0; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); data = s->resource_data; for (p = data->io_db.next; p != &data->io_db; p = p->next) { @@ -913,7 +912,7 @@ static ssize_t show_io_db(struct class_device *class_dev, char *buf) ((unsigned long) p->base + p->num - 1)); } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return (ret); } @@ -953,7 +952,7 @@ static ssize_t show_mem_db(struct class_device *class_dev, char *buf) struct resource_map *p; ssize_t ret = 0; - down(&rsrc_sem); + mutex_lock(&rsrc_mutex); data = s->resource_data; for (p = data->mem_db.next; p != &data->mem_db; p = p->next) { @@ -965,7 +964,7 @@ static ssize_t show_mem_db(struct class_device *class_dev, char *buf) ((unsigned long) p->base + p->num - 1)); } - up(&rsrc_sem); + mutex_unlock(&rsrc_mutex); return (ret); } diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c index 2b3c2895b43..eb89928f233 100644 --- a/drivers/pcmcia/sa1100_cerf.c +++ b/drivers/pcmcia/sa1100_cerf.c @@ -5,7 +5,6 @@ * Based off the Assabet. * */ -#include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 5ab1cdef7c4..c5d7476da47 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -12,7 +12,6 @@ #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/kernel.h> -#include <linux/config.h> #include <linux/string.h> #include <linux/major.h> #include <linux/errno.h> @@ -25,6 +24,7 @@ #include <linux/pm.h> #include <linux/pci.h> #include <linux/device.h> +#include <linux/mutex.h> #include <asm/system.h> #include <asm/irq.h> @@ -183,7 +183,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, s->resource_setup_done = 1; spin_unlock_irqrestore(&s->lock, flags); - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { @@ -192,7 +192,7 @@ static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, module_put(s->callback->owner); } } - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); return count; } @@ -322,7 +322,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz kfree(cis); if (!ret) { - down(&s->skt_sem); + mutex_lock(&s->skt_mutex); if ((s->callback) && (s->state & SOCKET_PRESENT) && !(s->state & SOCKET_CARDBUS)) { if (try_module_get(s->callback->owner)) { @@ -330,7 +330,7 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, siz module_put(s->callback->owner); } } - up(&s->skt_sem); + mutex_unlock(&s->skt_mutex); } diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h index d5b4ff74462..7a3d1b8e16b 100644 --- a/drivers/pcmcia/ti113x.h +++ b/drivers/pcmcia/ti113x.h @@ -30,7 +30,6 @@ #ifndef _LINUX_TI113X_H #define _LINUX_TI113X_H -#include <linux/config.h> /* Register definitions for TI 113X PCI-to-CardBus bridges */ |