diff options
Diffstat (limited to 'drivers/parport')
| -rw-r--r-- | drivers/parport/parport_pc.c | 1746 |
1 files changed, 916 insertions, 830 deletions
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 24984c4a1ba..edf83e94585 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -1,5 +1,5 @@ /* Low-level parallel-port routines for 8255-based PC-style hardware. - * + * * Authors: Phil Blundell <philb@gnu.org> * Tim Waugh <tim@cyberelk.demon.co.uk> * Jose Renau <renau@acm.org> @@ -11,7 +11,7 @@ * Cleaned up include files - Russell King <linux@arm.uk.linux.org> * DMA support - Bert De Jonghe <bert@sophis.be> * Many ECP bugs fixed. Fred Barnes & Jamie Lokier, 1999 - * More PCI support now conditional on CONFIG_PCI, 03/2001, Paul G. + * More PCI support now conditional on CONFIG_PCI, 03/2001, Paul G. * Various hacks, Fred Barnes, 04/2001 * Updated probing logic - Adam Belay <ambx1@neo.rr.com> */ @@ -56,10 +56,10 @@ #include <linux/pnp.h> #include <linux/platform_device.h> #include <linux/sysctl.h> +#include <linux/io.h> +#include <linux/uaccess.h> -#include <asm/io.h> #include <asm/dma.h> -#include <asm/uaccess.h> #include <linux/parport.h> #include <linux/parport_pc.h> @@ -82,7 +82,7 @@ #define ECR_TST 06 #define ECR_CNF 07 #define ECR_MODE_MASK 0xe0 -#define ECR_WRITE(p,v) frob_econtrol((p),0xff,(v)) +#define ECR_WRITE(p, v) frob_econtrol((p), 0xff, (v)) #undef DEBUG @@ -109,27 +109,27 @@ static int pci_registered_parport; static int pnp_registered_parport; /* frob_control, but for ECR */ -static void frob_econtrol (struct parport *pb, unsigned char m, +static void frob_econtrol(struct parport *pb, unsigned char m, unsigned char v) { unsigned char ectr = 0; if (m != 0xff) - ectr = inb (ECONTROL (pb)); + ectr = inb(ECONTROL(pb)); - DPRINTK (KERN_DEBUG "frob_econtrol(%02x,%02x): %02x -> %02x\n", + DPRINTK(KERN_DEBUG "frob_econtrol(%02x,%02x): %02x -> %02x\n", m, v, ectr, (ectr & ~m) ^ v); - outb ((ectr & ~m) ^ v, ECONTROL (pb)); + outb((ectr & ~m) ^ v, ECONTROL(pb)); } -static __inline__ void frob_set_mode (struct parport *p, int mode) +static inline void frob_set_mode(struct parport *p, int mode) { - frob_econtrol (p, ECR_MODE_MASK, mode << 5); + frob_econtrol(p, ECR_MODE_MASK, mode << 5); } #ifdef CONFIG_PARPORT_PC_FIFO -/* Safely change the mode bits in the ECR +/* Safely change the mode bits in the ECR Returns: 0 : Success -EBUSY: Could not drain FIFO in some finite amount of time, @@ -141,17 +141,18 @@ static int change_mode(struct parport *p, int m) unsigned char oecr; int mode; - DPRINTK(KERN_INFO "parport change_mode ECP-ISA to mode 0x%02x\n",m); + DPRINTK(KERN_INFO "parport change_mode ECP-ISA to mode 0x%02x\n", m); if (!priv->ecr) { - printk (KERN_DEBUG "change_mode: but there's no ECR!\n"); + printk(KERN_DEBUG "change_mode: but there's no ECR!\n"); return 0; } /* Bits <7:5> contain the mode. */ - oecr = inb (ECONTROL (p)); + oecr = inb(ECONTROL(p)); mode = (oecr >> 5) & 0x7; - if (mode == m) return 0; + if (mode == m) + return 0; if (mode >= 2 && !(priv->ctr & 0x20)) { /* This mode resets the FIFO, so we may @@ -163,19 +164,21 @@ static int change_mode(struct parport *p, int m) case ECR_ECP: /* ECP Parallel Port mode */ /* Busy wait for 200us */ for (counter = 0; counter < 40; counter++) { - if (inb (ECONTROL (p)) & 0x01) + if (inb(ECONTROL(p)) & 0x01) break; - if (signal_pending (current)) break; - udelay (5); + if (signal_pending(current)) + break; + udelay(5); } /* Poll slowly. */ - while (!(inb (ECONTROL (p)) & 0x01)) { - if (time_after_eq (jiffies, expire)) + while (!(inb(ECONTROL(p)) & 0x01)) { + if (time_after_eq(jiffies, expire)) /* The FIFO is stuck. */ return -EBUSY; - schedule_timeout_interruptible(msecs_to_jiffies(10)); - if (signal_pending (current)) + schedule_timeout_interruptible( + msecs_to_jiffies(10)); + if (signal_pending(current)) break; } } @@ -185,20 +188,20 @@ static int change_mode(struct parport *p, int m) /* We have to go through mode 001 */ oecr &= ~(7 << 5); oecr |= ECR_PS2 << 5; - ECR_WRITE (p, oecr); + ECR_WRITE(p, oecr); } /* Set the mode. */ oecr &= ~(7 << 5); oecr |= m << 5; - ECR_WRITE (p, oecr); + ECR_WRITE(p, oecr); return 0; } #ifdef CONFIG_PARPORT_1284 /* Find FIFO lossage; FIFO is reset */ #if 0 -static int get_fifo_residue (struct parport *p) +static int get_fifo_residue(struct parport *p) { int residue; int cnfga; @@ -206,26 +209,26 @@ static int get_fifo_residue (struct parport *p) /* Adjust for the contents of the FIFO. */ for (residue = priv->fifo_depth; ; residue--) { - if (inb (ECONTROL (p)) & 0x2) + if (inb(ECONTROL(p)) & 0x2) /* Full up. */ break; - outb (0, FIFO (p)); + outb(0, FIFO(p)); } - printk (KERN_DEBUG "%s: %d PWords were left in FIFO\n", p->name, + printk(KERN_DEBUG "%s: %d PWords were left in FIFO\n", p->name, residue); /* Reset the FIFO. */ - frob_set_mode (p, ECR_PS2); + frob_set_mode(p, ECR_PS2); /* Now change to config mode and clean up. FIXME */ - frob_set_mode (p, ECR_CNF); - cnfga = inb (CONFIGA (p)); - printk (KERN_DEBUG "%s: cnfgA contains 0x%02x\n", p->name, cnfga); + frob_set_mode(p, ECR_CNF); + cnfga = inb(CONFIGA(p)); + printk(KERN_DEBUG "%s: cnfgA contains 0x%02x\n", p->name, cnfga); if (!(cnfga & (1<<2))) { - printk (KERN_DEBUG "%s: Accounting for extra byte\n", p->name); + printk(KERN_DEBUG "%s: Accounting for extra byte\n", p->name); residue++; } @@ -233,9 +236,11 @@ static int get_fifo_residue (struct parport *p) * PWord != 1 byte. */ /* Back to PS2 mode. */ - frob_set_mode (p, ECR_PS2); + frob_set_mode(p, ECR_PS2); - DPRINTK (KERN_DEBUG "*** get_fifo_residue: done residue collecting (ecr = 0x%2.2x)\n", inb (ECONTROL (p))); + DPRINTK(KERN_DEBUG + "*** get_fifo_residue: done residue collecting (ecr = 0x%2.2x)\n", + inb(ECONTROL(p))); return residue; } #endif /* 0 */ @@ -257,8 +262,8 @@ static int clear_epp_timeout(struct parport *pb) /* To clear timeout some chips require double read */ parport_pc_read_status(pb); r = parport_pc_read_status(pb); - outb (r | 0x01, STATUS (pb)); /* Some reset by writing 1 */ - outb (r & 0xfe, STATUS (pb)); /* Others by writing 0 */ + outb(r | 0x01, STATUS(pb)); /* Some reset by writing 1 */ + outb(r & 0xfe, STATUS(pb)); /* Others by writing 0 */ r = parport_pc_read_status(pb); return !(r & 0x01); @@ -272,7 +277,8 @@ static int clear_epp_timeout(struct parport *pb) * of these are in parport_pc.h. */ -static void parport_pc_init_state(struct pardevice *dev, struct parport_state *s) +static void parport_pc_init_state(struct pardevice *dev, + struct parport_state *s) { s->u.pc.ctr = 0xc; if (dev->irq_func && @@ -289,22 +295,23 @@ static void parport_pc_save_state(struct parport *p, struct parport_state *s) const struct parport_pc_private *priv = p->physport->private_data; s->u.pc.ctr = priv->ctr; if (priv->ecr) - s->u.pc.ecr = inb (ECONTROL (p)); + s->u.pc.ecr = inb(ECONTROL(p)); } -static void parport_pc_restore_state(struct parport *p, struct parport_state *s) +static void parport_pc_restore_state(struct parport *p, + struct parport_state *s) { struct parport_pc_private *priv = p->physport->private_data; register unsigned char c = s->u.pc.ctr & priv->ctr_writable; - outb (c, CONTROL (p)); + outb(c, CONTROL(p)); priv->ctr = c; if (priv->ecr) - ECR_WRITE (p, s->u.pc.ecr); + ECR_WRITE(p, s->u.pc.ecr); } #ifdef CONFIG_PARPORT_1284 -static size_t parport_pc_epp_read_data (struct parport *port, void *buf, - size_t length, int flags) +static size_t parport_pc_epp_read_data(struct parport *port, void *buf, + size_t length, int flags) { size_t got = 0; @@ -316,54 +323,52 @@ static size_t parport_pc_epp_read_data (struct parport *port, void *buf, * nFault is 0 if there is at least 1 byte in the Warp's FIFO * pError is 1 if there are 16 bytes in the Warp's FIFO */ - status = inb (STATUS (port)); + status = inb(STATUS(port)); - while (!(status & 0x08) && (got < length)) { - if ((left >= 16) && (status & 0x20) && !(status & 0x08)) { + while (!(status & 0x08) && got < length) { + if (left >= 16 && (status & 0x20) && !(status & 0x08)) { /* can grab 16 bytes from warp fifo */ - if (!((long)buf & 0x03)) { - insl (EPPDATA (port), buf, 4); - } else { - insb (EPPDATA (port), buf, 16); - } + if (!((long)buf & 0x03)) + insl(EPPDATA(port), buf, 4); + else + insb(EPPDATA(port), buf, 16); buf += 16; got += 16; left -= 16; } else { /* grab single byte from the warp fifo */ - *((char *)buf) = inb (EPPDATA (port)); + *((char *)buf) = inb(EPPDATA(port)); buf++; got++; left--; } - status = inb (STATUS (port)); + status = inb(STATUS(port)); if (status & 0x01) { /* EPP timeout should never occur... */ - printk (KERN_DEBUG "%s: EPP timeout occurred while talking to " - "w91284pic (should not have done)\n", port->name); - clear_epp_timeout (port); + printk(KERN_DEBUG +"%s: EPP timeout occurred while talking to w91284pic (should not have done)\n", port->name); + clear_epp_timeout(port); } } return got; } if ((flags & PARPORT_EPP_FAST) && (length > 1)) { - if (!(((long)buf | length) & 0x03)) { - insl (EPPDATA (port), buf, (length >> 2)); - } else { - insb (EPPDATA (port), buf, length); - } - if (inb (STATUS (port)) & 0x01) { - clear_epp_timeout (port); + if (!(((long)buf | length) & 0x03)) + insl(EPPDATA(port), buf, (length >> 2)); + else + insb(EPPDATA(port), buf, length); + if (inb(STATUS(port)) & 0x01) { + clear_epp_timeout(port); return -EIO; } return length; } for (; got < length; got++) { - *((char*)buf) = inb (EPPDATA(port)); + *((char *)buf) = inb(EPPDATA(port)); buf++; - if (inb (STATUS (port)) & 0x01) { + if (inb(STATUS(port)) & 0x01) { /* EPP timeout */ - clear_epp_timeout (port); + clear_epp_timeout(port); break; } } @@ -371,28 +376,27 @@ static size_t parport_pc_epp_read_data (struct parport *port, void *buf, return got; } -static size_t parport_pc_epp_write_data (struct parport *port, const void *buf, - size_t length, int flags) +static size_t parport_pc_epp_write_data(struct parport *port, const void *buf, + size_t length, int flags) { size_t written = 0; if ((flags & PARPORT_EPP_FAST) && (length > 1)) { - if (!(((long)buf | length) & 0x03)) { - outsl (EPPDATA (port), buf, (length >> 2)); - } else { - outsb (EPPDATA (port), buf, length); - } - if (inb (STATUS (port)) & 0x01) { - clear_epp_timeout (port); + if (!(((long)buf | length) & 0x03)) + outsl(EPPDATA(port), buf, (length >> 2)); + else + outsb(EPPDATA(port), buf, length); + if (inb(STATUS(port)) & 0x01) { + clear_epp_timeout(port); return -EIO; } return length; } for (; written < length; written++) { - outb (*((char*)buf), EPPDATA(port)); + outb(*((char *)buf), EPPDATA(port)); buf++; - if (inb (STATUS(port)) & 0x01) { - clear_epp_timeout (port); + if (inb(STATUS(port)) & 0x01) { + clear_epp_timeout(port); break; } } @@ -400,24 +404,24 @@ static size_t parport_pc_epp_write_data (struct parport *port, const void *buf, return written; } -static size_t parport_pc_epp_read_addr (struct parport *port, void *buf, +static size_t parport_pc_epp_read_addr(struct parport *port, void *buf, size_t length, int flags) { size_t got = 0; if ((flags & PARPORT_EPP_FAST) && (length > 1)) { - insb (EPPADDR (port), buf, length); - if (inb (STATUS (port)) & 0x01) { - clear_epp_timeout (port); + insb(EPPADDR(port), buf, length); + if (inb(STATUS(port)) & 0x01) { + clear_epp_timeout(port); return -EIO; } return length; } for (; got < length; got++) { - *((char*)buf) = inb (EPPADDR (port)); + *((char *)buf) = inb(EPPADDR(port)); buf++; - if (inb (STATUS (port)) & 0x01) { - clear_epp_timeout (port); + if (inb(STATUS(port)) & 0x01) { + clear_epp_timeout(port); break; } } @@ -425,25 +429,25 @@ static size_t parport_pc_epp_read_addr (struct parport *port, void *buf, return got; } -static size_t parport_pc_epp_write_addr (struct parport *port, +static size_t parport_pc_epp_write_addr(struct parport *port, const void *buf, size_t length, int flags) { size_t written = 0; if ((flags & PARPORT_EPP_FAST) && (length > 1)) { - outsb (EPPADDR (port), buf, length); - if (inb (STATUS (port)) & 0x01) { - clear_epp_timeout (port); + outsb(EPPADDR(port), buf, length); + if (inb(STATUS(port)) & 0x01) { + clear_epp_timeout(port); return -EIO; } return length; } for (; written < length; written++) { - outb (*((char*)buf), EPPADDR (port)); + outb(*((char *)buf), EPPADDR(port)); buf++; - if (inb (STATUS (port)) & 0x01) { - clear_epp_timeout (port); + if (inb(STATUS(port)) & 0x01) { + clear_epp_timeout(port); break; } } @@ -451,74 +455,74 @@ static size_t parport_pc_epp_write_addr (struct parport *port, return written; } -static size_t parport_pc_ecpepp_read_data (struct parport *port, void *buf, - size_t length, int flags) +static size_t parport_pc_ecpepp_read_data(struct parport *port, void *buf, + size_t length, int flags) { size_t got; - frob_set_mode (port, ECR_EPP); - parport_pc_data_reverse (port); - parport_pc_write_control (port, 0x4); - got = parport_pc_epp_read_data (port, buf, length, flags); - frob_set_mode (port, ECR_PS2); + frob_set_mode(port, ECR_EPP); + parport_pc_data_reverse(port); + parport_pc_write_control(port, 0x4); + got = parport_pc_epp_read_data(port, buf, length, flags); + frob_set_mode(port, ECR_PS2); return got; } -static size_t parport_pc_ecpepp_write_data (struct parport *port, - const void *buf, size_t length, - int flags) +static size_t parport_pc_ecpepp_write_data(struct parport *port, + const void *buf, size_t length, + int flags) { size_t written; - frob_set_mode (port, ECR_EPP); - parport_pc_write_control (port, 0x4); - parport_pc_data_forward (port); - written = parport_pc_epp_write_data (port, buf, length, flags); - frob_set_mode (port, ECR_PS2); + frob_set_mode(port, ECR_EPP); + parport_pc_write_control(port, 0x4); + parport_pc_data_forward(port); + written = parport_pc_epp_write_data(port, buf, length, flags); + frob_set_mode(port, ECR_PS2); return written; } -static size_t parport_pc_ecpepp_read_addr (struct parport *port, void *buf, - size_t length, int flags) +static size_t parport_pc_ecpepp_read_addr(struct parport *port, void *buf, + size_t length, int flags) { size_t got; - frob_set_mode (port, ECR_EPP); - parport_pc_data_reverse (port); - parport_pc_write_control (port, 0x4); - got = parport_pc_epp_read_addr (port, buf, length, flags); - frob_set_mode (port, ECR_PS2); + frob_set_mode(port, ECR_EPP); + parport_pc_data_reverse(port); + parport_pc_write_control(port, 0x4); + got = parport_pc_epp_read_addr(port, buf, length, flags); + frob_set_mode(port, ECR_PS2); return got; } -static size_t parport_pc_ecpepp_write_addr (struct parport *port, +static size_t parport_pc_ecpepp_write_addr(struct parport *port, const void *buf, size_t length, int flags) { size_t written; - frob_set_mode (port, ECR_EPP); - parport_pc_write_control (port, 0x4); - parport_pc_data_forward (port); - written = parport_pc_epp_write_addr (port, buf, length, flags); - frob_set_mode (port, ECR_PS2); + frob_set_mode(port, ECR_EPP); + parport_pc_write_control(port, 0x4); + parport_pc_data_forward(port); + written = parport_pc_epp_write_addr(port, buf, length, flags); + frob_set_mode(port, ECR_PS2); return written; } #endif /* IEEE 1284 support */ #ifdef CONFIG_PARPORT_PC_FIFO -static size_t parport_pc_fifo_write_block_pio (struct parport *port, +static size_t parport_pc_fifo_write_block_pio(struct parport *port, const void *buf, size_t length) { int ret = 0; const unsigned char *bufp = buf; size_t left = length; unsigned long expire = jiffies + port->physport->cad->timeout; - const int fifo = FIFO (port); + const int fifo = FIFO(port); int poll_for = 8; /* 80 usecs */ const struct parport_pc_private *priv = port->physport->private_data; const int fifo_depth = priv->fifo_depth; @@ -526,25 +530,25 @@ static size_t parport_pc_fifo_write_block_pio (struct parport *port, port = port->physport; /* We don't want to be interrupted every character. */ - parport_pc_disable_irq (port); + parport_pc_disable_irq(port); /* set nErrIntrEn and serviceIntr */ - frob_econtrol (port, (1<<4) | (1<<2), (1<<4) | (1<<2)); + frob_econtrol(port, (1<<4) | (1<<2), (1<<4) | (1<<2)); /* Forward mode. */ - parport_pc_data_forward (port); /* Must be in PS2 mode */ + parport_pc_data_forward(port); /* Must be in PS2 mode */ while (left) { unsigned char byte; - unsigned char ecrval = inb (ECONTROL (port)); + unsigned char ecrval = inb(ECONTROL(port)); int i = 0; - if (need_resched() && time_before (jiffies, expire)) + if (need_resched() && time_before(jiffies, expire)) /* Can't yield the port. */ - schedule (); + schedule(); /* Anyone else waiting for the port? */ if (port->waithead) { - printk (KERN_DEBUG "Somebody wants the port\n"); + printk(KERN_DEBUG "Somebody wants the port\n"); break; } @@ -552,21 +556,22 @@ static size_t parport_pc_fifo_write_block_pio (struct parport *port, /* FIFO is full. Wait for interrupt. */ /* Clear serviceIntr */ - ECR_WRITE (port, ecrval & ~(1<<2)); - false_alarm: - ret = parport_wait_event (port, HZ); - if (ret < 0) break; + ECR_WRITE(port, ecrval & ~(1<<2)); +false_alarm: + ret = parport_wait_event(port, HZ); + if (ret < 0) + break; ret = 0; - if (!time_before (jiffies, expire)) { + if (!time_before(jiffies, expire)) { /* Timed out. */ - printk (KERN_DEBUG "FIFO write timed out\n"); + printk(KERN_DEBUG "FIFO write timed out\n"); break; } - ecrval = inb (ECONTROL (port)); + ecrval = inb(ECONTROL(port)); if (!(ecrval & (1<<2))) { if (need_resched() && - time_before (jiffies, expire)) - schedule (); + time_before(jiffies, expire)) + schedule(); goto false_alarm; } @@ -577,38 +582,38 @@ static size_t parport_pc_fifo_write_block_pio (struct parport *port, /* Can't fail now. */ expire = jiffies + port->cad->timeout; - poll: - if (signal_pending (current)) +poll: + if (signal_pending(current)) break; if (ecrval & 0x01) { /* FIFO is empty. Blast it full. */ const int n = left < fifo_depth ? left : fifo_depth; - outsb (fifo, bufp, n); + outsb(fifo, bufp, n); bufp += n; left -= n; /* Adjust the poll time. */ - if (i < (poll_for - 2)) poll_for--; + if (i < (poll_for - 2)) + poll_for--; continue; } else if (i++ < poll_for) { - udelay (10); - ecrval = inb (ECONTROL (port)); + udelay(10); + ecrval = inb(ECONTROL(port)); goto poll; } - /* Half-full (call me an optimist) */ + /* Half-full(call me an optimist) */ byte = *bufp++; - outb (byte, fifo); + outb(byte, fifo); left--; - } - -dump_parport_state ("leave fifo_write_block_pio", port); + } + dump_parport_state("leave fifo_write_block_pio", port); return length - left; } #ifdef HAS_DMA -static size_t parport_pc_fifo_write_block_dma (struct parport *port, +static size_t parport_pc_fifo_write_block_dma(struct parport *port, const void *buf, size_t length) { int ret = 0; @@ -621,7 +626,7 @@ static size_t parport_pc_fifo_write_block_dma (struct parport *port, unsigned long start = (unsigned long) buf; unsigned long end = (unsigned long) buf + length - 1; -dump_parport_state ("enter fifo_write_block_dma", port); +dump_parport_state("enter fifo_write_block_dma", port); if (end < MAX_DMA_ADDRESS) { /* If it would cross a 64k boundary, cap it at the end. */ if ((start ^ end) & ~0xffffUL) @@ -629,8 +634,9 @@ dump_parport_state ("enter fifo_write_block_dma", port); dma_addr = dma_handle = dma_map_single(dev, (void *)buf, length, DMA_TO_DEVICE); - } else { - /* above 16 MB we use a bounce buffer as ISA-DMA is not possible */ + } else { + /* above 16 MB we use a bounce buffer as ISA-DMA + is not possible */ maxlen = PAGE_SIZE; /* sizeof(priv->dma_buf) */ dma_addr = priv->dma_handle; dma_handle = 0; @@ -639,12 +645,12 @@ dump_parport_state ("enter fifo_write_block_dma", port); port = port->physport; /* We don't want to be interrupted every character. */ - parport_pc_disable_irq (port); + parport_pc_disable_irq(port); /* set nErrIntrEn and serviceIntr */ - frob_econtrol (port, (1<<4) | (1<<2), (1<<4) | (1<<2)); + frob_econtrol(port, (1<<4) | (1<<2), (1<<4) | (1<<2)); /* Forward mode. */ - parport_pc_data_forward (port); /* Must be in PS2 mode */ + parport_pc_data_forward(port); /* Must be in PS2 mode */ while (left) { unsigned long expire = jiffies + port->physport->cad->timeout; @@ -665,10 +671,10 @@ dump_parport_state ("enter fifo_write_block_dma", port); set_dma_count(port->dma, count); /* Set DMA mode */ - frob_econtrol (port, 1<<3, 1<<3); + frob_econtrol(port, 1<<3, 1<<3); /* Clear serviceIntr */ - frob_econtrol (port, 1<<2, 0); + frob_econtrol(port, 1<<2, 0); enable_dma(port->dma); release_dma_lock(dmaflag); @@ -676,20 +682,22 @@ dump_parport_state ("enter fifo_write_block_dma", port); /* assume DMA will be successful */ left -= count; buf += count; - if (dma_handle) dma_addr += count; + if (dma_handle) + dma_addr += count; /* Wait for interrupt. */ - false_alarm: - ret = parport_wait_event (port, HZ); - if (ret < 0) break; +false_alarm: + ret = parport_wait_event(port, HZ); + if (ret < 0) + break; ret = 0; - if (!time_before (jiffies, expire)) { + if (!time_before(jiffies, expire)) { /* Timed out. */ - printk (KERN_DEBUG "DMA write timed out\n"); + printk(KERN_DEBUG "DMA write timed out\n"); break; } /* Is serviceIntr set? */ - if (!(inb (ECONTROL (port)) & (1<<2))) { + if (!(inb(ECONTROL(port)) & (1<<2))) { cond_resched(); goto false_alarm; @@ -705,14 +713,15 @@ dump_parport_state ("enter fifo_write_block_dma", port); /* Anyone else waiting for the port? */ if (port->waithead) { - printk (KERN_DEBUG "Somebody wants the port\n"); + printk(KERN_DEBUG "Somebody wants the port\n"); break; } /* update for possible DMA residue ! */ buf -= count; left += count; - if (dma_handle) dma_addr -= count; + if (dma_handle) + dma_addr -= count; } /* Maybe got here through break, so adjust for DMA residue! */ @@ -723,12 +732,12 @@ dump_parport_state ("enter fifo_write_block_dma", port); release_dma_lock(dmaflag); /* Turn off DMA mode */ - frob_econtrol (port, 1<<3, 0); + frob_econtrol(port, 1<<3, 0); if (dma_handle) dma_unmap_single(dev, dma_handle, length, DMA_TO_DEVICE); -dump_parport_state ("leave fifo_write_block_dma", port); +dump_parport_state("leave fifo_write_block_dma", port); return length - left; } #endif @@ -738,13 +747,13 @@ static inline size_t parport_pc_fifo_write_block(struct parport *port, { #ifdef HAS_DMA if (port->dma != PARPORT_DMA_NONE) - return parport_pc_fifo_write_block_dma (port, buf, length); + return parport_pc_fifo_write_block_dma(port, buf, length); #endif - return parport_pc_fifo_write_block_pio (port, buf, length); + return parport_pc_fifo_write_block_pio(port, buf, length); } /* Parallel Port FIFO mode (ECP chipsets) */ -static size_t parport_pc_compat_write_block_pio (struct parport *port, +static size_t parport_pc_compat_write_block_pio(struct parport *port, const void *buf, size_t length, int flags) { @@ -756,14 +765,16 @@ static size_t parport_pc_compat_write_block_pio (struct parport *port, /* Special case: a timeout of zero means we cannot call schedule(). * Also if O_NONBLOCK is set then use the default implementation. */ if (port->physport->cad->timeout <= PARPORT_INACTIVITY_O_NONBLOCK) - return parport_ieee1284_write_compat (port, buf, + return parport_ieee1284_write_compat(port, buf, length, flags); /* Set up parallel port FIFO mode.*/ - parport_pc_data_forward (port); /* Must be in PS2 mode */ - parport_pc_frob_control (port, PARPORT_CONTROL_STROBE, 0); - r = change_mode (port, ECR_PPF); /* Parallel port FIFO */ - if (r) printk (KERN_DEBUG "%s: Warning change_mode ECR_PPF failed\n", port->name); + parport_pc_data_forward(port); /* Must be in PS2 mode */ + parport_pc_frob_control(port, PARPORT_CONTROL_STROBE, 0); + r = change_mode(port, ECR_PPF); /* Parallel port FIFO */ + if (r) + printk(KERN_DEBUG "%s: Warning change_mode ECR_PPF failed\n", + port->name); port->physport->ieee1284.phase = IEEE1284_PH_FWD_DATA; @@ -775,40 +786,39 @@ static size_t parport_pc_compat_write_block_pio (struct parport *port, * the FIFO is empty, so allow 4 seconds for each position * in the fifo. */ - expire = jiffies + (priv->fifo_depth * HZ * 4); + expire = jiffies + (priv->fifo_depth * HZ * 4); do { /* Wait for the FIFO to empty */ - r = change_mode (port, ECR_PS2); - if (r != -EBUSY) { + r = change_mode(port, ECR_PS2); + if (r != -EBUSY) break; - } - } while (time_before (jiffies, expire)); + } while (time_before(jiffies, expire)); if (r == -EBUSY) { - printk (KERN_DEBUG "%s: FIFO is stuck\n", port->name); + printk(KERN_DEBUG "%s: FIFO is stuck\n", port->name); /* Prevent further data transfer. */ - frob_set_mode (port, ECR_TST); + frob_set_mode(port, ECR_TST); /* Adjust for the contents of the FIFO. */ for (written -= priv->fifo_depth; ; written++) { - if (inb (ECONTROL (port)) & 0x2) { + if (inb(ECONTROL(port)) & 0x2) { /* Full up. */ break; } - outb (0, FIFO (port)); + outb(0, FIFO(port)); } /* Reset the FIFO and return to PS2 mode. */ - frob_set_mode (port, ECR_PS2); + frob_set_mode(port, ECR_PS2); } - r = parport_wait_peripheral (port, + r = parport_wait_peripheral(port, PARPORT_STATUS_BUSY, PARPORT_STATUS_BUSY); if (r) - printk (KERN_DEBUG - "%s: BUSY timeout (%d) in compat_write_block_pio\n", + printk(KERN_DEBUG + "%s: BUSY timeout (%d) in compat_write_block_pio\n", port->name, r); port->physport->ieee1284.phase = IEEE1284_PH_FWD_IDLE; @@ -818,7 +828,7 @@ static size_t parport_pc_compat_write_block_pio (struct parport *port, /* ECP */ #ifdef CONFIG_PARPORT_1284 -static size_t parport_pc_ecp_write_block_pio (struct parport *port, +static size_t parport_pc_ecp_write_block_pio(struct parport *port, const void *buf, size_t length, int flags) { @@ -830,36 +840,38 @@ static size_t parport_pc_ecp_write_block_pio (struct parport *port, /* Special case: a timeout of zero means we cannot call schedule(). * Also if O_NONBLOCK is set then use the default implementation. */ if (port->physport->cad->timeout <= PARPORT_INACTIVITY_O_NONBLOCK) - return parport_ieee1284_ecp_write_data (port, buf, + return parport_ieee1284_ecp_write_data(port, buf, length, flags); /* Switch to forward mode if necessary. */ if (port->physport->ieee1284.phase != IEEE1284_PH_FWD_IDLE) { /* Event 47: Set nInit high. */ - parport_frob_control (port, + parport_frob_control(port, PARPORT_CONTROL_INIT | PARPORT_CONTROL_AUTOFD, PARPORT_CONTROL_INIT | PARPORT_CONTROL_AUTOFD); /* Event 49: PError goes high. */ - r = parport_wait_peripheral (port, + r = parport_wait_peripheral(port, PARPORT_STATUS_PAPEROUT, PARPORT_STATUS_PAPEROUT); if (r) { - printk (KERN_DEBUG "%s: PError timeout (%d) " + printk(KERN_DEBUG "%s: PError timeout (%d) " "in ecp_write_block_pio\n", port->name, r); } } /* Set up ECP parallel port mode.*/ - parport_pc_data_forward (port); /* Must be in PS2 mode */ - parport_pc_frob_control (port, + parport_pc_data_forward(port); /* Must be in PS2 mode */ + parport_pc_frob_control(port, PARPORT_CONTROL_STROBE | PARPORT_CONTROL_AUTOFD, 0); - r = change_mode (port, ECR_ECP); /* ECP FIFO */ - if (r) printk (KERN_DEBUG "%s: Warning change_mode ECR_ECP failed\n", port->name); + r = change_mode(port, ECR_ECP); /* ECP FIFO */ + if (r) + printk(KERN_DEBUG "%s: Warning change_mode ECR_ECP failed\n", + port->name); port->physport->ieee1284.phase = IEEE1284_PH_FWD_DATA; /* Write the data to the FIFO. */ @@ -873,55 +885,54 @@ static size_t parport_pc_ecp_write_block_pio (struct parport *port, expire = jiffies + (priv->fifo_depth * (HZ * 4)); do { /* Wait for the FIFO to empty */ - r = change_mode (port, ECR_PS2); - if (r != -EBUSY) { + r = change_mode(port, ECR_PS2); + if (r != -EBUSY) break; - } - } while (time_before (jiffies, expire)); + } while (time_before(jiffies, expire)); if (r == -EBUSY) { - printk (KERN_DEBUG "%s: FIFO is stuck\n", port->name); + printk(KERN_DEBUG "%s: FIFO is stuck\n", port->name); /* Prevent further data transfer. */ - frob_set_mode (port, ECR_TST); + frob_set_mode(port, ECR_TST); /* Adjust for the contents of the FIFO. */ for (written -= priv->fifo_depth; ; written++) { - if (inb (ECONTROL (port)) & 0x2) { + if (inb(ECONTROL(port)) & 0x2) { /* Full up. */ break; } - outb (0, FIFO (port)); + outb(0, FIFO(port)); } /* Reset the FIFO and return to PS2 mode. */ - frob_set_mode (port, ECR_PS2); + frob_set_mode(port, ECR_PS2); /* Host transfer recovery. */ - parport_pc_data_reverse (port); /* Must be in PS2 mode */ - udelay (5); - parport_frob_control (port, PARPORT_CONTROL_INIT, 0); - r = parport_wait_peripheral (port, PARPORT_STATUS_PAPEROUT, 0); + parport_pc_data_reverse(port); /* Must be in PS2 mode */ + udelay(5); + parport_frob_control(port, PARPORT_CONTROL_INIT, 0); + r = parport_wait_peripheral(port, PARPORT_STATUS_PAPEROUT, 0); if (r) - printk (KERN_DEBUG "%s: PE,1 timeout (%d) " + printk(KERN_DEBUG "%s: PE,1 timeout (%d) " "in ecp_write_block_pio\n", port->name, r); - parport_frob_control (port, + parport_frob_control(port, PARPORT_CONTROL_INIT, PARPORT_CONTROL_INIT); - r = parport_wait_peripheral (port, + r = parport_wait_peripheral(port, PARPORT_STATUS_PAPEROUT, PARPORT_STATUS_PAPEROUT); - if (r) - printk (KERN_DEBUG "%s: PE,2 timeout (%d) " + if (r) + printk(KERN_DEBUG "%s: PE,2 timeout (%d) " "in ecp_write_block_pio\n", port->name, r); } - r = parport_wait_peripheral (port, - PARPORT_STATUS_BUSY, + r = parport_wait_peripheral(port, + PARPORT_STATUS_BUSY, PARPORT_STATUS_BUSY); - if(r) - printk (KERN_DEBUG + if (r) + printk(KERN_DEBUG "%s: BUSY timeout (%d) in ecp_write_block_pio\n", port->name, r); @@ -931,7 +942,7 @@ static size_t parport_pc_ecp_write_block_pio (struct parport *port, } #if 0 -static size_t parport_pc_ecp_read_block_pio (struct parport *port, +static size_t parport_pc_ecp_read_block_pio(struct parport *port, void *buf, size_t length, int flags) { @@ -944,13 +955,13 @@ static size_t parport_pc_ecp_read_block_pio (struct parport *port, char *bufp = buf; port = port->physport; -DPRINTK (KERN_DEBUG "parport_pc: parport_pc_ecp_read_block_pio\n"); -dump_parport_state ("enter fcn", port); +DPRINTK(KERN_DEBUG "parport_pc: parport_pc_ecp_read_block_pio\n"); +dump_parport_state("enter fcn", port); /* Special case: a timeout of zero means we cannot call schedule(). * Also if O_NONBLOCK is set then use the default implementation. */ if (port->cad->timeout <= PARPORT_INACTIVITY_O_NONBLOCK) - return parport_ieee1284_ecp_read_data (port, buf, + return parport_ieee1284_ecp_read_data(port, buf, length, flags); if (port->ieee1284.mode == IEEE1284_MODE_ECPRLE) { @@ -966,173 +977,177 @@ dump_parport_state ("enter fcn", port); * go through software emulation. Otherwise we may have to throw * away data. */ if (length < fifofull) - return parport_ieee1284_ecp_read_data (port, buf, + return parport_ieee1284_ecp_read_data(port, buf, length, flags); if (port->ieee1284.phase != IEEE1284_PH_REV_IDLE) { /* change to reverse-idle phase (must be in forward-idle) */ /* Event 38: Set nAutoFd low (also make sure nStrobe is high) */ - parport_frob_control (port, + parport_frob_control(port, PARPORT_CONTROL_AUTOFD | PARPORT_CONTROL_STROBE, PARPORT_CONTROL_AUTOFD); - parport_pc_data_reverse (port); /* Must be in PS2 mode */ - udelay (5); + parport_pc_data_reverse(port); /* Must be in PS2 mode */ + udelay(5); /* Event 39: Set nInit low to initiate bus reversal */ - parport_frob_control (port, + parport_frob_control(port, PARPORT_CONTROL_INIT, 0); /* Event 40: Wait for nAckReverse (PError) to go low */ - r = parport_wait_peripheral (port, PARPORT_STATUS_PAPEROUT, 0); - if (r) { - printk (KERN_DEBUG "%s: PE timeout Event 40 (%d) " + r = parport_wait_peripheral(port, PARPORT_STATUS_PAPEROUT, 0); + if (r) { + printk(KERN_DEBUG "%s: PE timeout Event 40 (%d) " "in ecp_read_block_pio\n", port->name, r); return 0; } } /* Set up ECP FIFO mode.*/ -/* parport_pc_frob_control (port, +/* parport_pc_frob_control(port, PARPORT_CONTROL_STROBE | PARPORT_CONTROL_AUTOFD, PARPORT_CONTROL_AUTOFD); */ - r = change_mode (port, ECR_ECP); /* ECP FIFO */ - if (r) printk (KERN_DEBUG "%s: Warning change_mode ECR_ECP failed\n", port->name); + r = change_mode(port, ECR_ECP); /* ECP FIFO */ + if (r) + printk(KERN_DEBUG "%s: Warning change_mode ECR_ECP failed\n", + port->name); port->ieee1284.phase = IEEE1284_PH_REV_DATA; /* the first byte must be collected manually */ -dump_parport_state ("pre 43", port); + dump_parport_state("pre 43", port); /* Event 43: Wait for nAck to go low */ - r = parport_wait_peripheral (port, PARPORT_STATUS_ACK, 0); + r = parport_wait_peripheral(port, PARPORT_STATUS_ACK, 0); if (r) { /* timed out while reading -- no data */ - printk (KERN_DEBUG "PIO read timed out (initial byte)\n"); + printk(KERN_DEBUG "PIO read timed out (initial byte)\n"); goto out_no_data; } /* read byte */ - *bufp++ = inb (DATA (port)); + *bufp++ = inb(DATA(port)); left--; -dump_parport_state ("43-44", port); + dump_parport_state("43-44", port); /* Event 44: nAutoFd (HostAck) goes high to acknowledge */ - parport_pc_frob_control (port, + parport_pc_frob_control(port, PARPORT_CONTROL_AUTOFD, 0); -dump_parport_state ("pre 45", port); + dump_parport_state("pre 45", port); /* Event 45: Wait for nAck to go high */ -/* r = parport_wait_peripheral (port, PARPORT_STATUS_ACK, PARPORT_STATUS_ACK); */ -dump_parport_state ("post 45", port); -r = 0; + /* r = parport_wait_peripheral(port, PARPORT_STATUS_ACK, + PARPORT_STATUS_ACK); */ + dump_parport_state("post 45", port); + r = 0; if (r) { /* timed out while waiting for peripheral to respond to ack */ - printk (KERN_DEBUG "ECP PIO read timed out (waiting for nAck)\n"); + printk(KERN_DEBUG "ECP PIO read timed out (waiting for nAck)\n"); /* keep hold of the byte we've got already */ goto out_no_data; } /* Event 46: nAutoFd (HostAck) goes low to accept more data */ - parport_pc_frob_control (port, + parport_pc_frob_control(port, PARPORT_CONTROL_AUTOFD, PARPORT_CONTROL_AUTOFD); -dump_parport_state ("rev idle", port); + dump_parport_state("rev idle", port); /* Do the transfer. */ while (left > fifofull) { int ret; unsigned long expire = jiffies + port->cad->timeout; - unsigned char ecrval = inb (ECONTROL (port)); + unsigned char ecrval = inb(ECONTROL(port)); - if (need_resched() && time_before (jiffies, expire)) + if (need_resched() && time_before(jiffies, expire)) /* Can't yield the port. */ - schedule (); + schedule(); /* At this point, the FIFO may already be full. In - * that case ECP is already holding back the - * peripheral (assuming proper design) with a delayed - * handshake. Work fast to avoid a peripheral - * timeout. */ + * that case ECP is already holding back the + * peripheral (assuming proper design) with a delayed + * handshake. Work fast to avoid a peripheral + * timeout. */ if (ecrval & 0x01) { /* FIFO is empty. Wait for interrupt. */ -dump_parport_state ("FIFO empty", port); + dump_parport_state("FIFO empty", port); /* Anyone else waiting for the port? */ if (port->waithead) { - printk (KERN_DEBUG "Somebody wants the port\n"); + printk(KERN_DEBUG "Somebody wants the port\n"); break; } /* Clear serviceIntr */ - ECR_WRITE (port, ecrval & ~(1<<2)); - false_alarm: -dump_parport_state ("waiting", port); - ret = parport_wait_event (port, HZ); -DPRINTK (KERN_DEBUG "parport_wait_event returned %d\n", ret); + ECR_WRITE(port, ecrval & ~(1<<2)); +false_alarm: + dump_parport_state("waiting", port); + ret = parport_wait_event(port, HZ); + DPRINTK(KERN_DEBUG "parport_wait_event returned %d\n", + ret); if (ret < 0) break; ret = 0; - if (!time_before (jiffies, expire)) { + if (!time_before(jiffies, expire)) { /* Timed out. */ -dump_parport_state ("timeout", port); - printk (KERN_DEBUG "PIO read timed out\n"); + dump_parport_state("timeout", port); + printk(KERN_DEBUG "PIO read timed out\n"); break; } - ecrval = inb (ECONTROL (port)); + ecrval = inb(ECONTROL(port)); if (!(ecrval & (1<<2))) { if (need_resched() && - time_before (jiffies, expire)) { - schedule (); + time_before(jiffies, expire)) { + schedule(); } goto false_alarm; } /* Depending on how the FIFO threshold was - * set, how long interrupt service took, and - * how fast the peripheral is, we might be - * lucky and have a just filled FIFO. */ + * set, how long interrupt service took, and + * how fast the peripheral is, we might be + * lucky and have a just filled FIFO. */ continue; } if (ecrval & 0x02) { /* FIFO is full. */ -dump_parport_state ("FIFO full", port); - insb (fifo, bufp, fifo_depth); +dump_parport_state("FIFO full", port); + insb(fifo, bufp, fifo_depth); bufp += fifo_depth; left -= fifo_depth; continue; } -DPRINTK (KERN_DEBUG "*** ecp_read_block_pio: reading one byte from the FIFO\n"); +DPRINTK(KERN_DEBUG "*** ecp_read_block_pio: reading one byte from the FIFO\n"); /* FIFO not filled. We will cycle this loop for a while - * and either the peripheral will fill it faster, - * tripping a fast empty with insb, or we empty it. */ - *bufp++ = inb (fifo); + * and either the peripheral will fill it faster, + * tripping a fast empty with insb, or we empty it. */ + *bufp++ = inb(fifo); left--; } /* scoop up anything left in the FIFO */ - while (left && !(inb (ECONTROL (port) & 0x01))) { - *bufp++ = inb (fifo); + while (left && !(inb(ECONTROL(port) & 0x01))) { + *bufp++ = inb(fifo); left--; } port->ieee1284.phase = IEEE1284_PH_REV_IDLE; -dump_parport_state ("rev idle2", port); +dump_parport_state("rev idle2", port); out_no_data: /* Go to forward idle mode to shut the peripheral up (event 47). */ - parport_frob_control (port, PARPORT_CONTROL_INIT, PARPORT_CONTROL_INIT); + parport_frob_control(port, PARPORT_CONTROL_INIT, PARPORT_CONTROL_INIT); /* event 49: PError goes high */ - r = parport_wait_peripheral (port, + r = parport_wait_peripheral(port, PARPORT_STATUS_PAPEROUT, PARPORT_STATUS_PAPEROUT); if (r) { - printk (KERN_DEBUG + printk(KERN_DEBUG "%s: PE timeout FWDIDLE (%d) in ecp_read_block_pio\n", port->name, r); } @@ -1141,14 +1156,14 @@ out_no_data: /* Finish up. */ { - int lost = get_fifo_residue (port); + int lost = get_fifo_residue(port); if (lost) /* Shouldn't happen with compliant peripherals. */ - printk (KERN_DEBUG "%s: DATA LOSS (%d bytes)!\n", + printk(KERN_DEBUG "%s: DATA LOSS (%d bytes)!\n", port->name, lost); } -dump_parport_state ("fwd idle", port); +dump_parport_state("fwd idle", port); return length - left; } #endif /* 0 */ @@ -1164,8 +1179,7 @@ dump_parport_state ("fwd idle", port); /* GCC is not inlining extern inline function later overwriten to non-inline, so we use outlined_ variants here. */ -static const struct parport_operations parport_pc_ops = -{ +static const struct parport_operations parport_pc_ops = { .write_data = parport_pc_write_data, .read_data = parport_pc_read_data, @@ -1205,46 +1219,52 @@ static const struct parport_operations parport_pc_ops = /* Super-IO chipset detection, Winbond, SMSC */ static void __devinit show_parconfig_smsc37c669(int io, int key) { - int cr1,cr4,cra,cr23,cr26,cr27,i=0; - static const char *const modes[]={ + int cr1, cr4, cra, cr23, cr26, cr27, i = 0; + static const char *const modes[] = { "SPP and Bidirectional (PS/2)", "EPP and SPP", "ECP", "ECP and EPP" }; - outb(key,io); - outb(key,io); - outb(1,io); - cr1=inb(io+1); - outb(4,io); - cr4=inb(io+1); - outb(0x0a,io); - cra=inb(io+1); - outb(0x23,io); - cr23=inb(io+1); - outb(0x26,io); - cr26=inb(io+1); - outb(0x27,io); - cr27=inb(io+1); - outb(0xaa,io); + outb(key, io); + outb(key, io); + outb(1, io); + cr1 = inb(io + 1); + outb(4, io); + cr4 = inb(io + 1); + outb(0x0a, io); + cra = inb(io + 1); + outb(0x23, io); + cr23 = inb(io + 1); + outb(0x26, io); + cr26 = inb(io + 1); + outb(0x27, io); + cr27 = inb(io + 1); + outb(0xaa, io); if (verbose_probing) { - printk (KERN_INFO "SMSC 37c669 LPT Config: cr_1=0x%02x, 4=0x%02x, " + printk(KERN_INFO + "SMSC 37c669 LPT Config: cr_1=0x%02x, 4=0x%02x, " "A=0x%2x, 23=0x%02x, 26=0x%02x, 27=0x%02x\n", - cr1,cr4,cra,cr23,cr26,cr27); - + cr1, cr4, cra, cr23, cr26, cr27); + /* The documentation calls DMA and IRQ-Lines by letters, so the board maker can/will wire them appropriately/randomly... G=reserved H=IDE-irq, */ - printk (KERN_INFO "SMSC LPT Config: io=0x%04x, irq=%c, dma=%c, " - "fifo threshold=%d\n", cr23*4, - (cr27 &0x0f) ? 'A'-1+(cr27 &0x0f): '-', - (cr26 &0x0f) ? 'A'-1+(cr26 &0x0f): '-', cra & 0x0f); + printk(KERN_INFO + "SMSC LPT Config: io=0x%04x, irq=%c, dma=%c, fifo threshold=%d\n", + cr23 * 4, + (cr27 & 0x0f) ? 'A' - 1 + (cr27 & 0x0f) : '-', + (cr26 & 0x0f) ? 'A' - 1 + (cr26 & 0x0f) : '-', + cra & 0x0f); printk(KERN_INFO "SMSC LPT Config: enabled=%s power=%s\n", - (cr23*4 >=0x100) ?"yes":"no", (cr1 & 4) ? "yes" : "no"); - printk(KERN_INFO "SMSC LPT Config: Port mode=%s, EPP version =%s\n", - (cr1 & 0x08 ) ? "Standard mode only (SPP)" : modes[cr4 & 0x03], - (cr4 & 0x40) ? "1.7" : "1.9"); + (cr23 * 4 >= 0x100) ? "yes" : "no", + (cr1 & 4) ? "yes" : "no"); + printk(KERN_INFO + "SMSC LPT Config: Port mode=%s, EPP version =%s\n", + (cr1 & 0x08) ? "Standard mode only (SPP)" + : modes[cr4 & 0x03], + (cr4 & 0x40) ? "1.7" : "1.9"); } /* Heuristics ! BIOS setup for this mainboard device limits @@ -1258,32 +1278,32 @@ static void __devinit show_parconfig_smsc37c669(int io, int key) printk(KERN_INFO "Super-IO: too many chips!\n"); } else { int d; - switch (cr23*4) { - case 0x3bc: - superios[i].io = 0x3bc; - superios[i].irq = 7; - break; - case 0x378: - superios[i].io = 0x378; - superios[i].irq = 7; - break; - case 0x278: - superios[i].io = 0x278; - superios[i].irq = 5; + switch (cr23 * 4) { + case 0x3bc: + superios[i].io = 0x3bc; + superios[i].irq = 7; + break; + case 0x378: + superios[i].io = 0x378; + superios[i].irq = 7; + break; + case 0x278: + superios[i].io = 0x278; + superios[i].irq = 5; } - d=(cr26 &0x0f); - if((d==1) || (d==3)) - superios[i].dma= d; + d = (cr26 & 0x0f); + if (d == 1 || d == 3) + superios[i].dma = d; else - superios[i].dma= PARPORT_DMA_NONE; + superios[i].dma = PARPORT_DMA_NONE; } - } + } } static void __devinit show_parconfig_winbond(int io, int key) { - int cr30,cr60,cr61,cr70,cr74,crf0,i=0; + int cr30, cr60, cr61, cr70, cr74, crf0, i = 0; static const char *const modes[] = { "Standard (SPP) and Bidirectional(PS/2)", /* 0 */ "EPP-1.9 and SPP", @@ -1296,40 +1316,43 @@ static void __devinit show_parconfig_winbond(int io, int key) static char *const irqtypes[] = { "pulsed low, high-Z", "follows nACK" }; - + /* The registers are called compatible-PnP because the - register layout is modelled after ISA-PnP, the access - method is just another ... */ - outb(key,io); - outb(key,io); - outb(0x07,io); /* Register 7: Select Logical Device */ - outb(0x01,io+1); /* LD1 is Parallel Port */ - outb(0x30,io); - cr30=inb(io+1); - outb(0x60,io); - cr60=inb(io+1); - outb(0x61,io); - cr61=inb(io+1); - outb(0x70,io); - cr70=inb(io+1); - outb(0x74,io); - cr74=inb(io+1); - outb(0xf0,io); - crf0=inb(io+1); - outb(0xaa,io); + register layout is modelled after ISA-PnP, the access + method is just another ... */ + outb(key, io); + outb(key, io); + outb(0x07, io); /* Register 7: Select Logical Device */ + outb(0x01, io + 1); /* LD1 is Parallel Port */ + outb(0x30, io); + cr30 = inb(io + 1); + outb(0x60, io); + cr60 = inb(io + 1); + outb(0x61, io); + cr61 = inb(io + 1); + outb(0x70, io); + cr70 = inb(io + 1); + outb(0x74, io); + cr74 = inb(io + 1); + outb(0xf0, io); + crf0 = inb(io + 1); + outb(0xaa, io); if (verbose_probing) { - printk(KERN_INFO "Winbond LPT Config: cr_30=%02x 60,61=%02x%02x " - "70=%02x 74=%02x, f0=%02x\n", cr30,cr60,cr61,cr70,cr74,crf0); - printk(KERN_INFO "Winbond LPT Config: active=%s, io=0x%02x%02x irq=%d, ", - (cr30 & 0x01) ? "yes":"no", cr60,cr61,cr70&0x0f ); + printk(KERN_INFO + "Winbond LPT Config: cr_30=%02x 60,61=%02x%02x 70=%02x 74=%02x, f0=%02x\n", + cr30, cr60, cr61, cr70, cr74, crf0); + printk(KERN_INFO "Winbond LPT Config: active=%s, io=0x%02x%02x irq=%d, ", + (cr30 & 0x01) ? "yes" : "no", cr60, cr61, cr70 & 0x0f); if ((cr74 & 0x07) > 3) printk("dma=none\n"); else - printk("dma=%d\n",cr74 & 0x07); - printk(KERN_INFO "Winbond LPT Config: irqtype=%s, ECP fifo threshold=%d\n", - irqtypes[crf0>>7], (crf0>>3)&0x0f); - printk(KERN_INFO "Winbond LPT Config: Port mode=%s\n", modes[crf0 & 0x07]); + printk("dma=%d\n", cr74 & 0x07); + printk(KERN_INFO + "Winbond LPT Config: irqtype=%s, ECP fifo threshold=%d\n", + irqtypes[crf0>>7], (crf0>>3)&0x0f); + printk(KERN_INFO "Winbond LPT Config: Port mode=%s\n", + modes[crf0 & 0x07]); } if (cr30 & 0x01) { /* the settings can be interrogated later ... */ @@ -1346,60 +1369,82 @@ static void __devinit show_parconfig_winbond(int io, int key) } } -static void __devinit decode_winbond(int efer, int key, int devid, int devrev, int oldid) +static void __devinit decode_winbond(int efer, int key, int devid, + int devrev, int oldid) { const char *type = "unknown"; - int id,progif=2; + int id, progif = 2; if (devid == devrev) /* simple heuristics, we happened to read some - non-winbond register */ + non-winbond register */ return; - id=(devid<<8) | devrev; + id = (devid << 8) | devrev; /* Values are from public data sheets pdf files, I can just - confirm 83977TF is correct :-) */ - if (id == 0x9771) type="83977F/AF"; - else if (id == 0x9773) type="83977TF / SMSC 97w33x/97w34x"; - else if (id == 0x9774) type="83977ATF"; - else if ((id & ~0x0f) == 0x5270) type="83977CTF / SMSC 97w36x"; - else if ((id & ~0x0f) == 0x52f0) type="83977EF / SMSC 97w35x"; - else if ((id & ~0x0f) == 0x5210) type="83627"; - else if ((id & ~0x0f) == 0x6010) type="83697HF"; - else if ((oldid &0x0f ) == 0x0a) { type="83877F"; progif=1;} - else if ((oldid &0x0f ) == 0x0b) { type="83877AF"; progif=1;} - else if ((oldid &0x0f ) == 0x0c) { type="83877TF"; progif=1;} - else if ((oldid &0x0f ) == 0x0d) { type="83877ATF"; progif=1;} - else progif=0; + confirm 83977TF is correct :-) */ + if (id == 0x9771) + type = "83977F/AF"; + else if (id == 0x9773) + type = "83977TF / SMSC 97w33x/97w34x"; + else if (id == 0x9774) + type = "83977ATF"; + else if ((id & ~0x0f) == 0x5270) + type = "83977CTF / SMSC 97w36x"; + else if ((id & ~0x0f) == 0x52f0) + type = "83977EF / SMSC 97w35x"; + else if ((id & ~0x0f) == 0x5210) + type = "83627"; + else if ((id & ~0x0f) == 0x6010) + type = "83697HF"; + else if ((oldid & 0x0f) == 0x0a) { + type = "83877F"; + progif = 1; + } else if ((oldid & 0x0f) == 0x0b) { + type = "83877AF"; + progif = 1; + } else if ((oldid & 0x0f) == 0x0c) { + type = "83877TF"; + progif = 1; + } else if ((oldid & 0x0f) == 0x0d) { + type = "83877ATF"; + progif = 1; + } else + progif = 0; if (verbose_probing) printk(KERN_INFO "Winbond chip at EFER=0x%x key=0x%02x " - "devid=%02x devrev=%02x oldid=%02x type=%s\n", + "devid=%02x devrev=%02x oldid=%02x type=%s\n", efer, key, devid, devrev, oldid, type); if (progif == 2) - show_parconfig_winbond(efer,key); + show_parconfig_winbond(efer, key); } static void __devinit decode_smsc(int efer, int key, int devid, int devrev) { - const char *type = "unknown"; + const char *type = "unknown"; void (*func)(int io, int key); - int id; + int id; - if (devid == devrev) + if (devid == devrev) /* simple heuristics, we happened to read some - non-smsc register */ + non-smsc register */ return; - func=NULL; - id=(devid<<8) | devrev; + func = NULL; + id = (devid << 8) | devrev; - if (id==0x0302) {type="37c669"; func=show_parconfig_smsc37c669;} - else if (id==0x6582) type="37c665IR"; - else if (devid==0x65) type="37c665GT"; - else if (devid==0x66) type="37c666GT"; + if (id == 0x0302) { + type = "37c669"; + func = show_parconfig_smsc37c669; + } else if (id == 0x6582) + type = "37c665IR"; + else if (devid == 0x65) + type = "37c665GT"; + else if (devid == 0x66) + type = "37c666GT"; if (verbose_probing) printk(KERN_INFO "SMSC chip at EFER=0x%x " @@ -1407,138 +1452,138 @@ static void __devinit decode_smsc(int efer, int key, int devid, int devrev) efer, key, devid, devrev, type); if (func) - func(efer,key); + func(efer, key); } static void __devinit winbond_check(int io, int key) { - int devid,devrev,oldid,x_devid,x_devrev,x_oldid; + int devid, devrev, oldid, x_devid, x_devrev, x_oldid; if (!request_region(io, 3, __func__)) return; /* First probe without key */ - outb(0x20,io); - x_devid=inb(io+1); - outb(0x21,io); - x_devrev=inb(io+1); - outb(0x09,io); - x_oldid=inb(io+1); - - outb(key,io); - outb(key,io); /* Write Magic Sequence to EFER, extended - funtion enable register */ - outb(0x20,io); /* Write EFIR, extended function index register */ - devid=inb(io+1); /* Read EFDR, extended function data register */ - outb(0x21,io); - devrev=inb(io+1); - outb(0x09,io); - oldid=inb(io+1); - outb(0xaa,io); /* Magic Seal */ + outb(0x20, io); + x_devid = inb(io + 1); + outb(0x21, io); + x_devrev = inb(io + 1); + outb(0x09, io); + x_oldid = inb(io + 1); + + outb(key, io); + outb(key, io); /* Write Magic Sequence to EFER, extended + funtion enable register */ + outb(0x20, io); /* Write EFIR, extended function index register */ + devid = inb(io + 1); /* Read EFDR, extended function data register */ + outb(0x21, io); + devrev = inb(io + 1); + outb(0x09, io); + oldid = inb(io + 1); + outb(0xaa, io); /* Magic Seal */ if ((x_devid == devid) && (x_devrev == devrev) && (x_oldid == oldid)) goto out; /* protection against false positives */ - decode_winbond(io,key,devid,devrev,oldid); + decode_winbond(io, key, devid, devrev, oldid); out: release_region(io, 3); } -static void __devinit winbond_check2(int io,int key) +static void __devinit winbond_check2(int io, int key) { - int devid,devrev,oldid,x_devid,x_devrev,x_oldid; + int devid, devrev, oldid, x_devid, x_devrev, x_oldid; if (!request_region(io, 3, __func__)) return; /* First probe without the key */ - outb(0x20,io+2); - x_devid=inb(io+2); - outb(0x21,io+1); - x_devrev=inb(io+2); - outb(0x09,io+1); - x_oldid=inb(io+2); - - outb(key,io); /* Write Magic Byte to EFER, extended - funtion enable register */ - outb(0x20,io+2); /* Write EFIR, extended function index register */ - devid=inb(io+2); /* Read EFDR, extended function data register */ - outb(0x21,io+1); - devrev=inb(io+2); - outb(0x09,io+1); - oldid=inb(io+2); - outb(0xaa,io); /* Magic Seal */ - - if ((x_devid == devid) && (x_devrev == devrev) && (x_oldid == oldid)) + outb(0x20, io + 2); + x_devid = inb(io + 2); + outb(0x21, io + 1); + x_devrev = inb(io + 2); + outb(0x09, io + 1); + x_oldid = inb(io + 2); + + outb(key, io); /* Write Magic Byte to EFER, extended + funtion enable register */ + outb(0x20, io + 2); /* Write EFIR, extended function index register */ + devid = inb(io + 2); /* Read EFDR, extended function data register */ + outb(0x21, io + 1); + devrev = inb(io + 2); + outb(0x09, io + 1); + oldid = inb(io + 2); + outb(0xaa, io); /* Magic Seal */ + + if (x_devid == devid && x_devrev == devrev && x_oldid == oldid) goto out; /* protection against false positives */ - decode_winbond(io,key,devid,devrev,oldid); + decode_winbond(io, key, devid, devrev, oldid); out: release_region(io, 3); } static void __devinit smsc_check(int io, int key) { - int id,rev,oldid,oldrev,x_id,x_rev,x_oldid,x_oldrev; + int id, rev, oldid, oldrev, x_id, x_rev, x_oldid, x_oldrev; if (!request_region(io, 3, __func__)) return; /* First probe without the key */ - outb(0x0d,io); - x_oldid=inb(io+1); - outb(0x0e,io); - x_oldrev=inb(io+1); - outb(0x20,io); - x_id=inb(io+1); - outb(0x21,io); - x_rev=inb(io+1); - - outb(key,io); - outb(key,io); /* Write Magic Sequence to EFER, extended - funtion enable register */ - outb(0x0d,io); /* Write EFIR, extended function index register */ - oldid=inb(io+1); /* Read EFDR, extended function data register */ - outb(0x0e,io); - oldrev=inb(io+1); - outb(0x20,io); - id=inb(io+1); - outb(0x21,io); - rev=inb(io+1); - outb(0xaa,io); /* Magic Seal */ - - if ((x_id == id) && (x_oldrev == oldrev) && - (x_oldid == oldid) && (x_rev == rev)) + outb(0x0d, io); + x_oldid = inb(io + 1); + outb(0x0e, io); + x_oldrev = inb(io + 1); + outb(0x20, io); + x_id = inb(io + 1); + outb(0x21, io); + x_rev = inb(io + 1); + + outb(key, io); + outb(key, io); /* Write Magic Sequence to EFER, extended + funtion enable register */ + outb(0x0d, io); /* Write EFIR, extended function index register */ + oldid = inb(io + 1); /* Read EFDR, extended function data register */ + outb(0x0e, io); + oldrev = inb(io + 1); + outb(0x20, io); + id = inb(io + 1); + outb(0x21, io); + rev = inb(io + 1); + outb(0xaa, io); /* Magic Seal */ + + if (x_id == id && x_oldrev == oldrev && + x_oldid == oldid && x_rev == rev) goto out; /* protection against false positives */ - decode_smsc(io,key,oldid,oldrev); + decode_smsc(io, key, oldid, oldrev); out: release_region(io, 3); } -static void __devinit detect_and_report_winbond (void) -{ +static void __devinit detect_and_report_winbond(void) +{ if (verbose_probing) printk(KERN_DEBUG "Winbond Super-IO detection, now testing ports 3F0,370,250,4E,2E ...\n"); - winbond_check(0x3f0,0x87); - winbond_check(0x370,0x87); - winbond_check(0x2e ,0x87); - winbond_check(0x4e ,0x87); - winbond_check(0x3f0,0x86); - winbond_check2(0x250,0x88); - winbond_check2(0x250,0x89); + winbond_check(0x3f0, 0x87); + winbond_check(0x370, 0x87); + winbond_check(0x2e , 0x87); + winbond_check(0x4e , 0x87); + winbond_check(0x3f0, 0x86); + winbond_check2(0x250, 0x88); + winbond_check2(0x250, 0x89); } -static void __devinit detect_and_report_smsc (void) +static void __devinit detect_and_report_smsc(void) { if (verbose_probing) printk(KERN_DEBUG "SMSC Super-IO detection, now testing Ports 2F0, 370 ...\n"); - smsc_check(0x3f0,0x55); - smsc_check(0x370,0x55); - smsc_check(0x3f0,0x44); - smsc_check(0x370,0x44); + smsc_check(0x3f0, 0x55); + smsc_check(0x370, 0x55); + smsc_check(0x3f0, 0x44); + smsc_check(0x370, 0x44); } static void __devinit detect_and_report_it87(void) @@ -1573,7 +1618,7 @@ static void __devinit detect_and_report_it87(void) } #endif /* CONFIG_PARPORT_PC_SUPERIO */ -static int get_superio_dma (struct parport *p) +static int get_superio_dma(struct parport *p) { int i = 0; @@ -1584,15 +1629,15 @@ static int get_superio_dma (struct parport *p) return PARPORT_DMA_NONE; } -static int get_superio_irq (struct parport *p) +static int get_superio_irq(struct parport *p) { int i = 0; - while ((i < NR_SUPERIOS) && (superios[i].io != p->base)) - i++; - if (i != NR_SUPERIOS) - return superios[i].irq; - return PARPORT_IRQ_NONE; + while ((i < NR_SUPERIOS) && (superios[i].io != p->base)) + i++; + if (i != NR_SUPERIOS) + return superios[i].irq; + return PARPORT_IRQ_NONE; } @@ -1600,9 +1645,9 @@ static int get_superio_irq (struct parport *p) /* * Checks for port existence, all ports support SPP MODE - * Returns: + * Returns: * 0 : No parallel port at this address - * PARPORT_MODE_PCSPP : SPP port detected + * PARPORT_MODE_PCSPP : SPP port detected * (if the user specified an ioport himself, * this shall always be the case!) * @@ -1612,7 +1657,7 @@ static int parport_SPP_supported(struct parport *pb) unsigned char r, w; /* - * first clear an eventually pending EPP timeout + * first clear an eventually pending EPP timeout * I (sailer@ife.ee.ethz.ch) have an SMSC chipset * that does not even respond to SPP cycles if an EPP * timeout is pending @@ -1621,19 +1666,19 @@ static int parport_SPP_supported(struct parport *pb) /* Do a simple read-write test to make sure the port exists. */ w = 0xc; - outb (w, CONTROL (pb)); + outb(w, CONTROL(pb)); /* Is there a control register that we can read from? Some * ports don't allow reads, so read_control just returns a * software copy. Some ports _do_ allow reads, so bypass the * software copy here. In addition, some bits aren't * writable. */ - r = inb (CONTROL (pb)); + r = inb(CONTROL(pb)); if ((r & 0xf) == w) { w = 0xe; - outb (w, CONTROL (pb)); - r = inb (CONTROL (pb)); - outb (0xc, CONTROL (pb)); + outb(w, CONTROL(pb)); + r = inb(CONTROL(pb)); + outb(0xc, CONTROL(pb)); if ((r & 0xf) == w) return PARPORT_MODE_PCSPP; } @@ -1641,18 +1686,18 @@ static int parport_SPP_supported(struct parport *pb) if (user_specified) /* That didn't work, but the user thinks there's a * port here. */ - printk (KERN_INFO "parport 0x%lx (WARNING): CTR: " + printk(KERN_INFO "parport 0x%lx (WARNING): CTR: " "wrote 0x%02x, read 0x%02x\n", pb->base, w, r); /* Try the data register. The data lines aren't tri-stated at * this stage, so we expect back what we wrote. */ w = 0xaa; - parport_pc_write_data (pb, w); - r = parport_pc_read_data (pb); + parport_pc_write_data(pb, w); + r = parport_pc_read_data(pb); if (r == w) { w = 0x55; - parport_pc_write_data (pb, w); - r = parport_pc_read_data (pb); + parport_pc_write_data(pb, w); + r = parport_pc_read_data(pb); if (r == w) return PARPORT_MODE_PCSPP; } @@ -1660,9 +1705,9 @@ static int parport_SPP_supported(struct parport *pb) if (user_specified) { /* Didn't work, but the user is convinced this is the * place. */ - printk (KERN_INFO "parport 0x%lx (WARNING): DATA: " + printk(KERN_INFO "parport 0x%lx (WARNING): DATA: " "wrote 0x%02x, read 0x%02x\n", pb->base, w, r); - printk (KERN_INFO "parport 0x%lx: You gave this address, " + printk(KERN_INFO "parport 0x%lx: You gave this address, " "but there is probably no parallel port there!\n", pb->base); } @@ -1693,33 +1738,33 @@ static int parport_ECR_present(struct parport *pb) struct parport_pc_private *priv = pb->private_data; unsigned char r = 0xc; - outb (r, CONTROL (pb)); - if ((inb (ECONTROL (pb)) & 0x3) == (r & 0x3)) { - outb (r ^ 0x2, CONTROL (pb)); /* Toggle bit 1 */ + outb(r, CONTROL(pb)); + if ((inb(ECONTROL(pb)) & 0x3) == (r & 0x3)) { + outb(r ^ 0x2, CONTROL(pb)); /* Toggle bit 1 */ - r = inb (CONTROL (pb)); - if ((inb (ECONTROL (pb)) & 0x2) == (r & 0x2)) + r = inb(CONTROL(pb)); + if ((inb(ECONTROL(pb)) & 0x2) == (r & 0x2)) goto no_reg; /* Sure that no ECR register exists */ } - - if ((inb (ECONTROL (pb)) & 0x3 ) != 0x1) + + if ((inb(ECONTROL(pb)) & 0x3) != 0x1) goto no_reg; - ECR_WRITE (pb, 0x34); - if (inb (ECONTROL (pb)) != 0x35) + ECR_WRITE(pb, 0x34); + if (inb(ECONTROL(pb)) != 0x35) goto no_reg; priv->ecr = 1; - outb (0xc, CONTROL (pb)); - + outb(0xc, CONTROL(pb)); + /* Go to mode 000 */ - frob_set_mode (pb, ECR_SPP); + frob_set_mode(pb, ECR_SPP); return 1; no_reg: - outb (0xc, CONTROL (pb)); - return 0; + outb(0xc, CONTROL(pb)); + return 0; } #ifdef CONFIG_PARPORT_1284 @@ -1729,7 +1774,7 @@ static int parport_ECR_present(struct parport *pb) * allows us to read data from the data lines. In theory we would get back * 0xff but any peripheral attached to the port may drag some or all of the * lines down to zero. So if we get back anything that isn't the contents - * of the data register we deem PS/2 support to be present. + * of the data register we deem PS/2 support to be present. * * Some SPP ports have "half PS/2" ability - you can't turn off the line * drivers, but an external peripheral with sufficiently beefy drivers of @@ -1737,26 +1782,28 @@ static int parport_ECR_present(struct parport *pb) * where they can then be read back as normal. Ports with this property * and the right type of device attached are likely to fail the SPP test, * (as they will appear to have stuck bits) and so the fact that they might - * be misdetected here is rather academic. + * be misdetected here is rather academic. */ static int parport_PS2_supported(struct parport *pb) { int ok = 0; - + clear_epp_timeout(pb); /* try to tri-state the buffer */ - parport_pc_data_reverse (pb); - + parport_pc_data_reverse(pb); + parport_pc_write_data(pb, 0x55); - if (parport_pc_read_data(pb) != 0x55) ok++; + if (parport_pc_read_data(pb) != 0x55) + ok++; parport_pc_write_data(pb, 0xaa); - if (parport_pc_read_data(pb) != 0xaa) ok++; + if (parport_pc_read_data(pb) != 0xaa) + ok++; /* cancel input mode */ - parport_pc_data_forward (pb); + parport_pc_data_forward(pb); if (ok) { pb->modes |= PARPORT_MODE_TRISTATE; @@ -1775,68 +1822,68 @@ static int parport_ECP_supported(struct parport *pb) int config, configb; int pword; struct parport_pc_private *priv = pb->private_data; - /* Translate ECP intrLine to ISA irq value */ - static const int intrline[]= { 0, 7, 9, 10, 11, 14, 15, 5 }; + /* Translate ECP intrLine to ISA irq value */ + static const int intrline[] = { 0, 7, 9, 10, 11, 14, 15, 5 }; /* If there is no ECR, we have no hope of supporting ECP. */ if (!priv->ecr) return 0; /* Find out FIFO depth */ - ECR_WRITE (pb, ECR_SPP << 5); /* Reset FIFO */ - ECR_WRITE (pb, ECR_TST << 5); /* TEST FIFO */ - for (i=0; i < 1024 && !(inb (ECONTROL (pb)) & 0x02); i++) - outb (0xaa, FIFO (pb)); + ECR_WRITE(pb, ECR_SPP << 5); /* Reset FIFO */ + ECR_WRITE(pb, ECR_TST << 5); /* TEST FIFO */ + for (i = 0; i < 1024 && !(inb(ECONTROL(pb)) & 0x02); i++) + outb(0xaa, FIFO(pb)); /* * Using LGS chipset it uses ECR register, but * it doesn't support ECP or FIFO MODE */ if (i == 1024) { - ECR_WRITE (pb, ECR_SPP << 5); + ECR_WRITE(pb, ECR_SPP << 5); return 0; } priv->fifo_depth = i; if (verbose_probing) - printk (KERN_DEBUG "0x%lx: FIFO is %d bytes\n", pb->base, i); + printk(KERN_DEBUG "0x%lx: FIFO is %d bytes\n", pb->base, i); /* Find out writeIntrThreshold */ - frob_econtrol (pb, 1<<2, 1<<2); - frob_econtrol (pb, 1<<2, 0); + frob_econtrol(pb, 1<<2, 1<<2); + frob_econtrol(pb, 1<<2, 0); for (i = 1; i <= priv->fifo_depth; i++) { - inb (FIFO (pb)); - udelay (50); - if (inb (ECONTROL (pb)) & (1<<2)) + inb(FIFO(pb)); + udelay(50); + if (inb(ECONTROL(pb)) & (1<<2)) break; } if (i <= priv->fifo_depth) { if (verbose_probing) - printk (KERN_DEBUG "0x%lx: writeIntrThreshold is %d\n", + printk(KERN_DEBUG "0x%lx: writeIntrThreshold is %d\n", pb->base, i); } else /* Number of bytes we know we can write if we get an - interrupt. */ + interrupt. */ i = 0; priv->writeIntrThreshold = i; /* Find out readIntrThreshold */ - frob_set_mode (pb, ECR_PS2); /* Reset FIFO and enable PS2 */ - parport_pc_data_reverse (pb); /* Must be in PS2 mode */ - frob_set_mode (pb, ECR_TST); /* Test FIFO */ - frob_econtrol (pb, 1<<2, 1<<2); - frob_econtrol (pb, 1<<2, 0); + frob_set_mode(pb, ECR_PS2); /* Reset FIFO and enable PS2 */ + parport_pc_data_reverse(pb); /* Must be in PS2 mode */ + frob_set_mode(pb, ECR_TST); /* Test FIFO */ + frob_econtrol(pb, 1<<2, 1<<2); + frob_econtrol(pb, 1<<2, 0); for (i = 1; i <= priv->fifo_depth; i++) { - outb (0xaa, FIFO (pb)); - if (inb (ECONTROL (pb)) & (1<<2)) + outb(0xaa, FIFO(pb)); + if (inb(ECONTROL(pb)) & (1<<2)) break; } if (i <= priv->fifo_depth) { if (verbose_probing) - printk (KERN_INFO "0x%lx: readIntrThreshold is %d\n", + printk(KERN_INFO "0x%lx: readIntrThreshold is %d\n", pb->base, i); } else /* Number of bytes we can read if we get an interrupt. */ @@ -1844,23 +1891,23 @@ static int parport_ECP_supported(struct parport *pb) priv->readIntrThreshold = i; - ECR_WRITE (pb, ECR_SPP << 5); /* Reset FIFO */ - ECR_WRITE (pb, 0xf4); /* Configuration mode */ - config = inb (CONFIGA (pb)); + ECR_WRITE(pb, ECR_SPP << 5); /* Reset FIFO */ + ECR_WRITE(pb, 0xf4); /* Configuration mode */ + config = inb(CONFIGA(pb)); pword = (config >> 4) & 0x7; switch (pword) { case 0: pword = 2; - printk (KERN_WARNING "0x%lx: Unsupported pword size!\n", + printk(KERN_WARNING "0x%lx: Unsupported pword size!\n", pb->base); break; case 2: pword = 4; - printk (KERN_WARNING "0x%lx: Unsupported pword size!\n", + printk(KERN_WARNING "0x%lx: Unsupported pword size!\n", pb->base); break; default: - printk (KERN_WARNING "0x%lx: Unknown implementation ID\n", + printk(KERN_WARNING "0x%lx: Unknown implementation ID\n", pb->base); /* Assume 1 */ case 1: @@ -1869,28 +1916,29 @@ static int parport_ECP_supported(struct parport *pb) priv->pword = pword; if (verbose_probing) { - printk (KERN_DEBUG "0x%lx: PWord is %d bits\n", pb->base, 8 * pword); - - printk (KERN_DEBUG "0x%lx: Interrupts are ISA-%s\n", pb->base, + printk(KERN_DEBUG "0x%lx: PWord is %d bits\n", + pb->base, 8 * pword); + + printk(KERN_DEBUG "0x%lx: Interrupts are ISA-%s\n", pb->base, config & 0x80 ? "Level" : "Pulses"); - configb = inb (CONFIGB (pb)); - printk (KERN_DEBUG "0x%lx: ECP port cfgA=0x%02x cfgB=0x%02x\n", + configb = inb(CONFIGB(pb)); + printk(KERN_DEBUG "0x%lx: ECP port cfgA=0x%02x cfgB=0x%02x\n", pb->base, config, configb); - printk (KERN_DEBUG "0x%lx: ECP settings irq=", pb->base); - if ((configb >>3) & 0x07) - printk("%d",intrline[(configb >>3) & 0x07]); + printk(KERN_DEBUG "0x%lx: ECP settings irq=", pb->base); + if ((configb >> 3) & 0x07) + printk("%d", intrline[(configb >> 3) & 0x07]); else printk("<none or set by other means>"); - printk (" dma="); - if( (configb & 0x03 ) == 0x00) + printk(" dma="); + if ((configb & 0x03) == 0x00) printk("<none or set by other means>\n"); else - printk("%d\n",configb & 0x07); + printk("%d\n", configb & 0x07); } /* Go back to mode 000 */ - frob_set_mode (pb, ECR_SPP); + frob_set_mode(pb, ECR_SPP); return 1; } @@ -1905,10 +1953,10 @@ static int parport_ECPPS2_supported(struct parport *pb) if (!priv->ecr) return 0; - oecr = inb (ECONTROL (pb)); - ECR_WRITE (pb, ECR_PS2 << 5); + oecr = inb(ECONTROL(pb)); + ECR_WRITE(pb, ECR_PS2 << 5); result = parport_PS2_supported(pb); - ECR_WRITE (pb, oecr); + ECR_WRITE(pb, oecr); return result; } @@ -1932,16 +1980,15 @@ static int parport_EPP_supported(struct parport *pb) */ /* If EPP timeout bit clear then EPP available */ - if (!clear_epp_timeout(pb)) { + if (!clear_epp_timeout(pb)) return 0; /* No way to clear timeout */ - } /* Check for Intel bug. */ if (priv->ecr) { unsigned char i; for (i = 0x00; i < 0x80; i += 0x20) { - ECR_WRITE (pb, i); - if (clear_epp_timeout (pb)) { + ECR_WRITE(pb, i); + if (clear_epp_timeout(pb)) { /* Phony EPP in ECP. */ return 0; } @@ -1965,17 +2012,16 @@ static int parport_ECPEPP_supported(struct parport *pb) int result; unsigned char oecr; - if (!priv->ecr) { + if (!priv->ecr) return 0; - } - oecr = inb (ECONTROL (pb)); + oecr = inb(ECONTROL(pb)); /* Search for SMC style EPP+ECP mode */ - ECR_WRITE (pb, 0x80); - outb (0x04, CONTROL (pb)); + ECR_WRITE(pb, 0x80); + outb(0x04, CONTROL(pb)); result = parport_EPP_supported(pb); - ECR_WRITE (pb, oecr); + ECR_WRITE(pb, oecr); if (result) { /* Set up access functions to use ECP+EPP hardware. */ @@ -1993,11 +2039,25 @@ static int parport_ECPEPP_supported(struct parport *pb) /* Don't bother probing for modes we know we won't use. */ static int __devinit parport_PS2_supported(struct parport *pb) { return 0; } #ifdef CONFIG_PARPORT_PC_FIFO -static int parport_ECP_supported(struct parport *pb) { return 0; } +static int parport_ECP_supported(struct parport *pb) +{ + return 0; +} #endif -static int __devinit parport_EPP_supported(struct parport *pb) { return 0; } -static int __devinit parport_ECPEPP_supported(struct parport *pb){return 0;} -static int __devinit parport_ECPPS2_supported(struct parport *pb){return 0;} +static int __devinit parport_EPP_supported(struct parport *pb) +{ + return 0; +} + +static int __devinit parport_ECPEPP_supported(struct parport *pb) +{ + return 0; +} + +static int __devinit parport_ECPPS2_supported(struct parport *pb) +{ + return 0; +} #endif /* No IEEE 1284 support */ @@ -2007,17 +2067,17 @@ static int __devinit parport_ECPPS2_supported(struct parport *pb){return 0;} static int programmable_irq_support(struct parport *pb) { int irq, intrLine; - unsigned char oecr = inb (ECONTROL (pb)); + unsigned char oecr = inb(ECONTROL(pb)); static const int lookup[8] = { PARPORT_IRQ_NONE, 7, 9, 10, 11, 14, 15, 5 }; - ECR_WRITE (pb, ECR_CNF << 5); /* Configuration MODE */ + ECR_WRITE(pb, ECR_CNF << 5); /* Configuration MODE */ - intrLine = (inb (CONFIGB (pb)) >> 3) & 0x07; + intrLine = (inb(CONFIGB(pb)) >> 3) & 0x07; irq = lookup[intrLine]; - ECR_WRITE (pb, oecr); + ECR_WRITE(pb, oecr); return irq; } @@ -2027,17 +2087,17 @@ static int irq_probe_ECP(struct parport *pb) unsigned long irqs; irqs = probe_irq_on(); - - ECR_WRITE (pb, ECR_SPP << 5); /* Reset FIFO */ - ECR_WRITE (pb, (ECR_TST << 5) | 0x04); - ECR_WRITE (pb, ECR_TST << 5); + + ECR_WRITE(pb, ECR_SPP << 5); /* Reset FIFO */ + ECR_WRITE(pb, (ECR_TST << 5) | 0x04); + ECR_WRITE(pb, ECR_TST << 5); /* If Full FIFO sure that writeIntrThreshold is generated */ - for (i=0; i < 1024 && !(inb (ECONTROL (pb)) & 0x02) ; i++) - outb (0xaa, FIFO (pb)); - + for (i = 0; i < 1024 && !(inb(ECONTROL(pb)) & 0x02) ; i++) + outb(0xaa, FIFO(pb)); + pb->irq = probe_irq_off(irqs); - ECR_WRITE (pb, ECR_SPP << 5); + ECR_WRITE(pb, ECR_SPP << 5); if (pb->irq <= 0) pb->irq = PARPORT_IRQ_NONE; @@ -2047,7 +2107,7 @@ static int irq_probe_ECP(struct parport *pb) /* * This detection seems that only works in National Semiconductors - * This doesn't work in SMC, LGS, and Winbond + * This doesn't work in SMC, LGS, and Winbond */ static int irq_probe_EPP(struct parport *pb) { @@ -2058,16 +2118,16 @@ static int irq_probe_EPP(struct parport *pb) unsigned char oecr; if (pb->modes & PARPORT_MODE_PCECR) - oecr = inb (ECONTROL (pb)); + oecr = inb(ECONTROL(pb)); irqs = probe_irq_on(); if (pb->modes & PARPORT_MODE_PCECR) - frob_econtrol (pb, 0x10, 0x10); - + frob_econtrol(pb, 0x10, 0x10); + clear_epp_timeout(pb); - parport_pc_frob_control (pb, 0x20, 0x20); - parport_pc_frob_control (pb, 0x10, 0x10); + parport_pc_frob_control(pb, 0x20, 0x20); + parport_pc_frob_control(pb, 0x10, 0x10); clear_epp_timeout(pb); /* Device isn't expecting an EPP read @@ -2076,9 +2136,9 @@ static int irq_probe_EPP(struct parport *pb) parport_pc_read_epp(pb); udelay(20); - pb->irq = probe_irq_off (irqs); + pb->irq = probe_irq_off(irqs); if (pb->modes & PARPORT_MODE_PCECR) - ECR_WRITE (pb, oecr); + ECR_WRITE(pb, oecr); parport_pc_write_control(pb, 0xc); if (pb->irq <= 0) @@ -2135,28 +2195,28 @@ static int parport_irq_probe(struct parport *pb) /* --- DMA detection -------------------------------------- */ /* Only if chipset conforms to ECP ISA Interface Standard */ -static int programmable_dma_support (struct parport *p) +static int programmable_dma_support(struct parport *p) { - unsigned char oecr = inb (ECONTROL (p)); + unsigned char oecr = inb(ECONTROL(p)); int dma; - frob_set_mode (p, ECR_CNF); - - dma = inb (CONFIGB(p)) & 0x07; + frob_set_mode(p, ECR_CNF); + + dma = inb(CONFIGB(p)) & 0x07; /* 000: Indicates jumpered 8-bit DMA if read-only. 100: Indicates jumpered 16-bit DMA if read-only. */ if ((dma & 0x03) == 0) dma = PARPORT_DMA_NONE; - ECR_WRITE (p, oecr); + ECR_WRITE(p, oecr); return dma; } -static int parport_dma_probe (struct parport *p) +static int parport_dma_probe(struct parport *p) { const struct parport_pc_private *priv = p->private_data; - if (priv->ecr) - p->dma = programmable_dma_support(p); /* ask ECP chipset first */ + if (priv->ecr) /* ask ECP chipset first */ + p->dma = programmable_dma_support(p); if (p->dma == PARPORT_DMA_NONE) { /* ask known Super-IO chips proper, although these claim ECP compatible, some don't report their DMA @@ -2214,7 +2274,7 @@ struct parport *parport_pc_probe_port(unsigned long int base, if (!base_res) goto out4; - memcpy(ops, &parport_pc_ops, sizeof (struct parport_operations)); + memcpy(ops, &parport_pc_ops, sizeof(struct parport_operations)); priv->ctr = 0xc; priv->ctr_writable = ~0x10; priv->ecr = 0; @@ -2241,7 +2301,7 @@ struct parport *parport_pc_probe_port(unsigned long int base, if (!parport_EPP_supported(p)) parport_ECPEPP_supported(p); } - if (!parport_SPP_supported (p)) + if (!parport_SPP_supported(p)) /* No port. */ goto out5; if (priv->ecr) @@ -2249,7 +2309,7 @@ struct parport *parport_pc_probe_port(unsigned long int base, else parport_PS2_supported(p); - p->size = (p->modes & PARPORT_MODE_EPP)?8:3; + p->size = (p->modes & PARPORT_MODE_EPP) ? 8 : 3; printk(KERN_INFO "%s: PC-style at 0x%lx", p->name, p->base); if (p->base_hi && priv->ecr) @@ -2273,7 +2333,7 @@ struct parport *parport_pc_probe_port(unsigned long int base, } } if (p->dma == PARPORT_DMA_AUTO) /* To use DMA, giving the irq - is mandatory (see above) */ + is mandatory (see above) */ p->dma = PARPORT_DMA_NONE; #ifdef CONFIG_PARPORT_PC_FIFO @@ -2290,16 +2350,23 @@ struct parport *parport_pc_probe_port(unsigned long int base, if (p->dma != PARPORT_DMA_NONE) { printk(", dma %d", p->dma); p->modes |= PARPORT_MODE_DMA; - } - else printk(", using FIFO"); - } - else + } else + printk(", using FIFO"); + } else /* We can't use the DMA channel after all. */ p->dma = PARPORT_DMA_NONE; #endif /* Allowed to use FIFO/DMA */ printk(" ["); -#define printmode(x) {if(p->modes&PARPORT_MODE_##x){printk("%s%s",f?",":"",#x);f++;}} + +#define printmode(x) \ + {\ + if (p->modes & PARPORT_MODE_##x) {\ + printk("%s%s", f ? "," : "", #x);\ + f++;\ + } \ + } + { int f = 0; printmode(PCSPP); @@ -2311,10 +2378,10 @@ struct parport *parport_pc_probe_port(unsigned long int base, } #undef printmode #ifndef CONFIG_PARPORT_1284 - printk ("(,...)"); + printk("(,...)"); #endif /* CONFIG_PARPORT_1284 */ printk("]\n"); - if (probedirq != PARPORT_IRQ_NONE) + if (probedirq != PARPORT_IRQ_NONE) printk(KERN_INFO "%s: irq %d detected\n", p->name, probedirq); /* If No ECP release the ports grabbed above. */ @@ -2330,7 +2397,7 @@ struct parport *parport_pc_probe_port(unsigned long int base, if (p->irq != PARPORT_IRQ_NONE) { if (request_irq(p->irq, parport_irq_handler, irqflags, p->name, p)) { - printk (KERN_WARNING "%s: irq %d in use, " + printk(KERN_WARNING "%s: irq %d in use, " "resorting to polled operation\n", p->name, p->irq); p->irq = PARPORT_IRQ_NONE; @@ -2340,8 +2407,8 @@ struct parport *parport_pc_probe_port(unsigned long int base, #ifdef CONFIG_PARPORT_PC_FIFO #ifdef HAS_DMA if (p->dma != PARPORT_DMA_NONE) { - if (request_dma (p->dma, p->name)) { - printk (KERN_WARNING "%s: dma %d in use, " + if (request_dma(p->dma, p->name)) { + printk(KERN_WARNING "%s: dma %d in use, " "resorting to PIO operation\n", p->name, p->dma); p->dma = PARPORT_DMA_NONE; @@ -2351,8 +2418,8 @@ struct parport *parport_pc_probe_port(unsigned long int base, PAGE_SIZE, &priv->dma_handle, GFP_KERNEL); - if (! priv->dma_buf) { - printk (KERN_WARNING "%s: " + if (!priv->dma_buf) { + printk(KERN_WARNING "%s: " "cannot get buffer for DMA, " "resorting to PIO operation\n", p->name); @@ -2371,10 +2438,10 @@ struct parport *parport_pc_probe_port(unsigned long int base, * Put the ECP detected port in PS2 mode. * Do this also for ports that have ECR but don't do ECP. */ - ECR_WRITE (p, 0x34); + ECR_WRITE(p, 0x34); parport_pc_write_data(p, 0); - parport_pc_data_forward (p); + parport_pc_data_forward(p); /* Now that we've told the sharing engine about the port, and found out its characteristics, let the high-level drivers @@ -2382,7 +2449,7 @@ struct parport *parport_pc_probe_port(unsigned long int base, spin_lock(&ports_lock); list_add(&priv->list, &ports_list); spin_unlock(&ports_lock); - parport_announce_port (p); + parport_announce_port(p); return p; @@ -2395,18 +2462,17 @@ out5: out4: parport_put_port(p); out3: - kfree (priv); + kfree(priv); out2: - kfree (ops); + kfree(ops); out1: if (pdev) platform_device_unregister(pdev); return NULL; } +EXPORT_SYMBOL(parport_pc_probe_port); -EXPORT_SYMBOL (parport_pc_probe_port); - -void parport_pc_unregister_port (struct parport *p) +void parport_pc_unregister_port(struct parport *p) { struct parport_pc_private *priv = p->private_data; struct parport_operations *ops = p->ops; @@ -2432,17 +2498,16 @@ void parport_pc_unregister_port (struct parport *p) priv->dma_buf, priv->dma_handle); #endif - kfree (p->private_data); + kfree(p->private_data); parport_put_port(p); - kfree (ops); /* hope no-one cached it */ + kfree(ops); /* hope no-one cached it */ } - -EXPORT_SYMBOL (parport_pc_unregister_port); +EXPORT_SYMBOL(parport_pc_unregister_port); #ifdef CONFIG_PCI /* ITE support maintained by Rich Liu <richliu@poorman.org> */ -static int __devinit sio_ite_8872_probe (struct pci_dev *pdev, int autoirq, +static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq, int autodma, const struct parport_pc_via_data *via) { @@ -2454,73 +2519,74 @@ static int __devinit sio_ite_8872_probe (struct pci_dev *pdev, int autoirq, int irq; int i; - DPRINTK (KERN_DEBUG "sio_ite_8872_probe()\n"); - - // make sure which one chip - for(i = 0; i < 5; i++) { + DPRINTK(KERN_DEBUG "sio_ite_8872_probe()\n"); + + /* make sure which one chip */ + for (i = 0; i < 5; i++) { base_res = request_region(inta_addr[i], 32, "it887x"); if (base_res) { int test; - pci_write_config_dword (pdev, 0x60, + pci_write_config_dword(pdev, 0x60, 0xe5000000 | inta_addr[i]); - pci_write_config_dword (pdev, 0x78, + pci_write_config_dword(pdev, 0x78, 0x00000000 | inta_addr[i]); - test = inb (inta_addr[i]); - if (test != 0xff) break; + test = inb(inta_addr[i]); + if (test != 0xff) + break; release_region(inta_addr[i], 0x8); } } - if(i >= 5) { - printk (KERN_INFO "parport_pc: cannot find ITE8872 INTA\n"); + if (i >= 5) { + printk(KERN_INFO "parport_pc: cannot find ITE8872 INTA\n"); return 0; } - type = inb (inta_addr[i] + 0x18); + type = inb(inta_addr[i] + 0x18); type &= 0x0f; switch (type) { case 0x2: - printk (KERN_INFO "parport_pc: ITE8871 found (1P)\n"); + printk(KERN_INFO "parport_pc: ITE8871 found (1P)\n"); ite8872set = 0x64200000; break; case 0xa: - printk (KERN_INFO "parport_pc: ITE8875 found (1P)\n"); + printk(KERN_INFO "parport_pc: ITE8875 found (1P)\n"); ite8872set = 0x64200000; break; case 0xe: - printk (KERN_INFO "parport_pc: ITE8872 found (2S1P)\n"); + printk(KERN_INFO "parport_pc: ITE8872 found (2S1P)\n"); ite8872set = 0x64e00000; break; case 0x6: - printk (KERN_INFO "parport_pc: ITE8873 found (1S)\n"); + printk(KERN_INFO "parport_pc: ITE8873 found (1S)\n"); return 0; case 0x8: - DPRINTK (KERN_DEBUG "parport_pc: ITE8874 found (2S)\n"); + DPRINTK(KERN_DEBUG "parport_pc: ITE8874 found (2S)\n"); return 0; default: - printk (KERN_INFO "parport_pc: unknown ITE887x\n"); - printk (KERN_INFO "parport_pc: please mail 'lspci -nvv' " + printk(KERN_INFO "parport_pc: unknown ITE887x\n"); + printk(KERN_INFO "parport_pc: please mail 'lspci -nvv' " "output to Rich.Liu@ite.com.tw\n"); return 0; } - pci_read_config_byte (pdev, 0x3c, &ite8872_irq); - pci_read_config_dword (pdev, 0x1c, &ite8872_lpt); + pci_read_config_byte(pdev, 0x3c, &ite8872_irq); + pci_read_config_dword(pdev, 0x1c, &ite8872_lpt); ite8872_lpt &= 0x0000ff00; - pci_read_config_dword (pdev, 0x20, &ite8872_lpthi); + pci_read_config_dword(pdev, 0x20, &ite8872_lpthi); ite8872_lpthi &= 0x0000ff00; - pci_write_config_dword (pdev, 0x6c, 0xe3000000 | ite8872_lpt); - pci_write_config_dword (pdev, 0x70, 0xe3000000 | ite8872_lpthi); - pci_write_config_dword (pdev, 0x80, (ite8872_lpthi<<16) | ite8872_lpt); - // SET SPP&EPP , Parallel Port NO DMA , Enable All Function - // SET Parallel IRQ - pci_write_config_dword (pdev, 0x9c, + pci_write_config_dword(pdev, 0x6c, 0xe3000000 | ite8872_lpt); + pci_write_config_dword(pdev, 0x70, 0xe3000000 | ite8872_lpthi); + pci_write_config_dword(pdev, 0x80, (ite8872_lpthi<<16) | ite8872_lpt); + /* SET SPP&EPP , Parallel Port NO DMA , Enable All Function */ + /* SET Parallel IRQ */ + pci_write_config_dword(pdev, 0x9c, ite8872set | (ite8872_irq * 0x11111)); - DPRINTK (KERN_DEBUG "ITE887x: The IRQ is %d.\n", ite8872_irq); - DPRINTK (KERN_DEBUG "ITE887x: The PARALLEL I/O port is 0x%x.\n", + DPRINTK(KERN_DEBUG "ITE887x: The IRQ is %d.\n", ite8872_irq); + DPRINTK(KERN_DEBUG "ITE887x: The PARALLEL I/O port is 0x%x.\n", ite8872_lpt); - DPRINTK (KERN_DEBUG "ITE887x: The PARALLEL I/O porthi is 0x%x.\n", + DPRINTK(KERN_DEBUG "ITE887x: The PARALLEL I/O porthi is 0x%x.\n", ite8872_lpthi); /* Let the user (or defaults) steer us away from interrupts */ @@ -2532,14 +2598,14 @@ static int __devinit sio_ite_8872_probe (struct pci_dev *pdev, int autoirq, * Release the resource so that parport_pc_probe_port can get it. */ release_resource(base_res); - if (parport_pc_probe_port (ite8872_lpt, ite8872_lpthi, + if (parport_pc_probe_port(ite8872_lpt, ite8872_lpthi, irq, PARPORT_DMA_NONE, &pdev->dev, 0)) { - printk (KERN_INFO + printk(KERN_INFO "parport_pc: ITE 8872 parallel port: io=0x%X", - ite8872_lpt); + ite8872_lpt); if (irq != PARPORT_IRQ_NONE) - printk (", irq=%d", irq); - printk ("\n"); + printk(", irq=%d", irq); + printk("\n"); return 1; } @@ -2548,7 +2614,7 @@ static int __devinit sio_ite_8872_probe (struct pci_dev *pdev, int autoirq, /* VIA 8231 support by Pavel Fedin <sonic_amiga@rambler.ru> based on VIA 686a support code by Jeff Garzik <jgarzik@pobox.com> */ -static int __devinitdata parport_init_mode = 0; +static int __devinitdata parport_init_mode; /* Data for two known VIA chips */ static struct parport_pc_via_data via_686a_data __devinitdata = { @@ -2570,7 +2636,7 @@ static struct parport_pc_via_data via_8231_data __devinitdata = { 0xF6 }; -static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq, +static int __devinit sio_via_probe(struct pci_dev *pdev, int autoirq, int autodma, const struct parport_pc_via_data *via) { @@ -2582,38 +2648,38 @@ static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq, printk(KERN_DEBUG "parport_pc: VIA 686A/8231 detected\n"); - switch(parport_init_mode) - { + switch (parport_init_mode) { case 1: - printk(KERN_DEBUG "parport_pc: setting SPP mode\n"); - siofunc = VIA_FUNCTION_PARPORT_SPP; - break; + printk(KERN_DEBUG "parport_pc: setting SPP mode\n"); + siofunc = VIA_FUNCTION_PARPORT_SPP; + break; case 2: - printk(KERN_DEBUG "parport_pc: setting PS/2 mode\n"); - siofunc = VIA_FUNCTION_PARPORT_SPP; - ppcontrol = VIA_PARPORT_BIDIR; - break; + printk(KERN_DEBUG "parport_pc: setting PS/2 mode\n"); + siofunc = VIA_FUNCTION_PARPORT_SPP; + ppcontrol = VIA_PARPORT_BIDIR; + break; case 3: - printk(KERN_DEBUG "parport_pc: setting EPP mode\n"); - siofunc = VIA_FUNCTION_PARPORT_EPP; - ppcontrol = VIA_PARPORT_BIDIR; - have_epp = 1; - break; + printk(KERN_DEBUG "parport_pc: setting EPP mode\n"); + siofunc = VIA_FUNCTION_PARPORT_EPP; + ppcontrol = VIA_PARPORT_BIDIR; + have_epp = 1; + break; case 4: - printk(KERN_DEBUG "parport_pc: setting ECP mode\n"); - siofunc = VIA_FUNCTION_PARPORT_ECP; - ppcontrol = VIA_PARPORT_BIDIR; - break; + printk(KERN_DEBUG "parport_pc: setting ECP mode\n"); + siofunc = VIA_FUNCTION_PARPORT_ECP; + ppcontrol = VIA_PARPORT_BIDIR; + break; case 5: - printk(KERN_DEBUG "parport_pc: setting EPP+ECP mode\n"); - siofunc = VIA_FUNCTION_PARPORT_ECP; - ppcontrol = VIA_PARPORT_BIDIR|VIA_PARPORT_ECPEPP; - have_epp = 1; - break; - default: - printk(KERN_DEBUG "parport_pc: probing current configuration\n"); - siofunc = VIA_FUNCTION_PROBE; - break; + printk(KERN_DEBUG "parport_pc: setting EPP+ECP mode\n"); + siofunc = VIA_FUNCTION_PARPORT_ECP; + ppcontrol = VIA_PARPORT_BIDIR|VIA_PARPORT_ECPEPP; + have_epp = 1; + break; + default: + printk(KERN_DEBUG + "parport_pc: probing current configuration\n"); + siofunc = VIA_FUNCTION_PROBE; + break; } /* * unlock super i/o configuration @@ -2624,38 +2690,36 @@ static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq, /* Bits 1-0: Parallel Port Mode / Enable */ outb(via->viacfg_function, VIA_CONFIG_INDEX); - tmp = inb (VIA_CONFIG_DATA); + tmp = inb(VIA_CONFIG_DATA); /* Bit 5: EPP+ECP enable; bit 7: PS/2 bidirectional port enable */ outb(via->viacfg_parport_control, VIA_CONFIG_INDEX); - tmp2 = inb (VIA_CONFIG_DATA); - if (siofunc == VIA_FUNCTION_PROBE) - { - siofunc = tmp & VIA_FUNCTION_PARPORT_DISABLE; - ppcontrol = tmp2; + tmp2 = inb(VIA_CONFIG_DATA); + if (siofunc == VIA_FUNCTION_PROBE) { + siofunc = tmp & VIA_FUNCTION_PARPORT_DISABLE; + ppcontrol = tmp2; + } else { + tmp &= ~VIA_FUNCTION_PARPORT_DISABLE; + tmp |= siofunc; + outb(via->viacfg_function, VIA_CONFIG_INDEX); + outb(tmp, VIA_CONFIG_DATA); + tmp2 &= ~(VIA_PARPORT_BIDIR|VIA_PARPORT_ECPEPP); + tmp2 |= ppcontrol; + outb(via->viacfg_parport_control, VIA_CONFIG_INDEX); + outb(tmp2, VIA_CONFIG_DATA); } - else - { - tmp &= ~VIA_FUNCTION_PARPORT_DISABLE; - tmp |= siofunc; - outb(via->viacfg_function, VIA_CONFIG_INDEX); - outb(tmp, VIA_CONFIG_DATA); - tmp2 &= ~(VIA_PARPORT_BIDIR|VIA_PARPORT_ECPEPP); - tmp2 |= ppcontrol; - outb(via->viacfg_parport_control, VIA_CONFIG_INDEX); - outb(tmp2, VIA_CONFIG_DATA); - } - + /* Parallel Port I/O Base Address, bits 9-2 */ outb(via->viacfg_parport_base, VIA_CONFIG_INDEX); port1 = inb(VIA_CONFIG_DATA) << 2; - - printk (KERN_DEBUG "parport_pc: Current parallel port base: 0x%X\n",port1); - if ((port1 == 0x3BC) && have_epp) - { - outb(via->viacfg_parport_base, VIA_CONFIG_INDEX); - outb((0x378 >> 2), VIA_CONFIG_DATA); - printk(KERN_DEBUG "parport_pc: Parallel port base changed to 0x378\n"); - port1 = 0x378; + + printk(KERN_DEBUG "parport_pc: Current parallel port base: 0x%X\n", + port1); + if (port1 == 0x3BC && have_epp) { + outb(via->viacfg_parport_base, VIA_CONFIG_INDEX); + outb((0x378 >> 2), VIA_CONFIG_DATA); + printk(KERN_DEBUG + "parport_pc: Parallel port base changed to 0x378\n"); + port1 = 0x378; } /* @@ -2669,36 +2733,39 @@ static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq, printk(KERN_INFO "parport_pc: VIA parallel port disabled in BIOS\n"); return 0; } - + /* Bits 7-4: PnP Routing for Parallel Port IRQ */ pci_read_config_byte(pdev, via->via_pci_parport_irq_reg, &tmp); irq = ((tmp & VIA_IRQCONTROL_PARALLEL) >> 4); - if (siofunc == VIA_FUNCTION_PARPORT_ECP) - { - /* Bits 3-2: PnP Routing for Parallel Port DMA */ - pci_read_config_byte(pdev, via->via_pci_parport_dma_reg, &tmp); - dma = ((tmp & VIA_DMACONTROL_PARALLEL) >> 2); - } - else - /* if ECP not enabled, DMA is not enabled, assumed bogus 'dma' value */ - dma = PARPORT_DMA_NONE; + if (siofunc == VIA_FUNCTION_PARPORT_ECP) { + /* Bits 3-2: PnP Routing for Parallel Port DMA */ + pci_read_config_byte(pdev, via->via_pci_parport_dma_reg, &tmp); + dma = ((tmp & VIA_DMACONTROL_PARALLEL) >> 2); + } else + /* if ECP not enabled, DMA is not enabled, assumed + bogus 'dma' value */ + dma = PARPORT_DMA_NONE; /* Let the user (or defaults) steer us away from interrupts and DMA */ if (autoirq == PARPORT_IRQ_NONE) { - irq = PARPORT_IRQ_NONE; - dma = PARPORT_DMA_NONE; + irq = PARPORT_IRQ_NONE; + dma = PARPORT_DMA_NONE; } if (autodma == PARPORT_DMA_NONE) - dma = PARPORT_DMA_NONE; + dma = PARPORT_DMA_NONE; switch (port1) { - case 0x3bc: port2 = 0x7bc; break; - case 0x378: port2 = 0x778; break; - case 0x278: port2 = 0x678; break; + case 0x3bc: + port2 = 0x7bc; break; + case 0x378: + port2 = 0x778; break; + case 0x278: + port2 = 0x678; break; default: - printk(KERN_INFO "parport_pc: Weird VIA parport base 0x%X, ignoring\n", - port1); + printk(KERN_INFO + "parport_pc: Weird VIA parport base 0x%X, ignoring\n", + port1); return 0; } @@ -2716,17 +2783,17 @@ static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq, } /* finally, do the probe with values obtained */ - if (parport_pc_probe_port (port1, port2, irq, dma, &pdev->dev, 0)) { - printk (KERN_INFO + if (parport_pc_probe_port(port1, port2, irq, dma, &pdev->dev, 0)) { + printk(KERN_INFO "parport_pc: VIA parallel port: io=0x%X", port1); if (irq != PARPORT_IRQ_NONE) - printk (", irq=%d", irq); + printk(", irq=%d", irq); if (dma != PARPORT_DMA_NONE) - printk (", dma=%d", dma); - printk ("\n"); + printk(", dma=%d", dma); + printk("\n"); return 1; } - + printk(KERN_WARNING "parport_pc: Strange, can't probe VIA parallel port: io=0x%X, irq=%d, dma=%d\n", port1, irq, dma); return 0; @@ -2734,8 +2801,8 @@ static int __devinit sio_via_probe (struct pci_dev *pdev, int autoirq, enum parport_pc_sio_types { - sio_via_686a = 0, /* Via VT82C686A motherboard Super I/O */ - sio_via_8231, /* Via VT8231 south bridge integrated Super IO */ + sio_via_686a = 0, /* Via VT82C686A motherboard Super I/O */ + sio_via_8231, /* Via VT8231 south bridge integrated Super IO */ sio_ite_8872, last_sio }; @@ -2806,15 +2873,15 @@ enum parport_pc_pci_cards { }; -/* each element directly indexed from enum list, above +/* each element directly indexed from enum list, above * (but offset by last_sio) */ static struct parport_pc_pci { int numports; struct { /* BAR (base address registers) numbers in the config - space header */ + space header */ int lo; - int hi; /* -1 if not there, >6 for offset-method (max - BAR is 6) */ + int hi; + /* -1 if not there, >6 for offset-method (max BAR is 6) */ } addr[4]; /* If set, this is called immediately after pci_enable_device. @@ -2859,7 +2926,7 @@ static struct parport_pc_pci { /* timedia_4018 */ { 2, { { 0, 1 }, { 2, 3 }, } }, /* timedia_9018a */ { 2, { { 0, 1 }, { 2, 3 }, } }, /* SYBA uses fixed offsets in - a 1K io window */ + a 1K io window */ /* syba_2p_epp AP138B */ { 2, { { 0, 0x078 }, { 0, 0x178 }, } }, /* syba_1p_ecp W83787 */ { 1, { { 0, 0x078 }, } }, /* titan_010l */ { 1, { { 3, -1 }, } }, @@ -2875,11 +2942,14 @@ static struct parport_pc_pci { /* oxsemi_pcie_pport */ { 1, { { 0, 1 }, } }, /* aks_0100 */ { 1, { { 0, -1 }, } }, /* mobility_pp */ { 1, { { 0, 1 }, } }, - /* netmos_9705 */ { 1, { { 0, -1 }, } }, /* untested */ - /* netmos_9715 */ { 2, { { 0, 1 }, { 2, 3 },} }, /* untested */ - /* netmos_9755 */ { 2, { { 0, 1 }, { 2, 3 },} }, /* untested */ - /* netmos_9805 */ { 1, { { 0, -1 }, } }, /* untested */ - /* netmos_9815 */ { 2, { { 0, -1 }, { 2, -1 }, } }, /* untested */ + + /* The netmos entries below are untested */ + /* netmos_9705 */ { 1, { { 0, -1 }, } }, + /* netmos_9715 */ { 2, { { 0, 1 }, { 2, 3 },} }, + /* netmos_9755 */ { 2, { { 0, 1 }, { 2, 3 },} }, + /* netmos_9805 */ { 1, { { 0, -1 }, } }, + /* netmos_9815 */ { 2, { { 0, -1 }, { 2, -1 }, } }, + /* quatech_sppxp100 */ { 1, { { 0, 1 }, } }, }; @@ -2908,7 +2978,7 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { { PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_BOCA_IOPPAR, PCI_ANY_ID, PCI_ANY_ID, 0, 0, boca_ioppar }, { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, - PCI_SUBVENDOR_ID_EXSYS, PCI_SUBDEVICE_ID_EXSYS_4014, 0,0, plx_9050 }, + PCI_SUBVENDOR_ID_EXSYS, PCI_SUBDEVICE_ID_EXSYS_4014, 0, 0, plx_9050 }, /* PCI_VENDOR_ID_TIMEDIA/SUNIX has many differing cards ...*/ { 0x1409, 0x7168, 0x1409, 0x4078, 0, 0, timedia_4078a }, { 0x1409, 0x7168, 0x1409, 0x4079, 0, 0, timedia_4079h }, @@ -2942,7 +3012,8 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { { 0x9710, 0x9805, 0x1000, 0x0010, 0, 0, titan_1284p1 }, { 0x9710, 0x9815, 0x1000, 0x0020, 0, 0, titan_1284p2 }, /* PCI_VENDOR_ID_AVLAB/Intek21 has another bunch of cards ...*/ - { 0x14db, 0x2120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1p}, /* AFAVLAB_TK9902 */ + /* AFAVLAB_TK9902 */ + { 0x14db, 0x2120, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_1p}, { 0x14db, 0x2121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, avlab_2p}, { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI952PP, PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_952 }, @@ -2985,14 +3056,14 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 }, { 0, } /* terminate list */ }; -MODULE_DEVICE_TABLE(pci,parport_pc_pci_tbl); +MODULE_DEVICE_TABLE(pci, parport_pc_pci_tbl); struct pci_parport_data { int num; struct parport *ports[2]; }; -static int parport_pc_pci_probe (struct pci_dev *dev, +static int parport_pc_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { int err, count, n, i = id->driver_data; @@ -3005,7 +3076,8 @@ static int parport_pc_pci_probe (struct pci_dev *dev, /* This is a PCI card */ i -= last_sio; count = 0; - if ((err = pci_enable_device (dev)) != 0) + err = pci_enable_device(dev); + if (err) return err; data = kmalloc(sizeof(struct pci_parport_data), GFP_KERNEL); @@ -3013,7 +3085,7 @@ static int parport_pc_pci_probe (struct pci_dev *dev, return -ENOMEM; if (cards[i].preinit_hook && - cards[i].preinit_hook (dev, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) { + cards[i].preinit_hook(dev, PARPORT_IRQ_NONE, PARPORT_DMA_NONE)) { kfree(data); return -ENODEV; } @@ -3023,25 +3095,25 @@ static int parport_pc_pci_probe (struct pci_dev *dev, int hi = cards[i].addr[n].hi; int irq; unsigned long io_lo, io_hi; - io_lo = pci_resource_start (dev, lo); + io_lo = pci_resource_start(dev, lo); io_hi = 0; if ((hi >= 0) && (hi <= 6)) - io_hi = pci_resource_start (dev, hi); + io_hi = pci_resource_start(dev, hi); else if (hi > 6) io_lo += hi; /* Reinterpret the meaning of - "hi" as an offset (see SYBA - def.) */ + "hi" as an offset (see SYBA + def.) */ /* TODO: test if sharing interrupts works */ irq = dev->irq; if (irq == IRQ_NONE) { - printk (KERN_DEBUG + printk(KERN_DEBUG "PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx)\n", parport_pc_pci_tbl[i + last_sio].vendor, parport_pc_pci_tbl[i + last_sio].device, io_lo, io_hi); irq = PARPORT_IRQ_NONE; } else { - printk (KERN_DEBUG + printk(KERN_DEBUG "PCI parallel port detected: %04x:%04x, I/O at %#lx(%#lx), IRQ %d\n", parport_pc_pci_tbl[i + last_sio].vendor, parport_pc_pci_tbl[i + last_sio].device, @@ -3058,7 +3130,7 @@ static int parport_pc_pci_probe (struct pci_dev *dev, data->num = count; if (cards[i].postinit_hook) - cards[i].postinit_hook (dev, count == 0); + cards[i].postinit_hook(dev, count == 0); if (count) { pci_set_drvdata(dev, data); @@ -3092,7 +3164,7 @@ static struct pci_driver parport_pc_pci_driver = { .remove = __devexit_p(parport_pc_pci_remove), }; -static int __init parport_pc_init_superio (int autoirq, int autodma) +static int __init parport_pc_init_superio(int autoirq, int autodma) { const struct pci_device_id *id; struct pci_dev *pdev = NULL; @@ -3103,8 +3175,9 @@ static int __init parport_pc_init_superio (int autoirq, int autodma) if (id == NULL || id->driver_data >= last_sio) continue; - if (parport_pc_superio_info[id->driver_data].probe - (pdev, autoirq, autodma,parport_pc_superio_info[id->driver_data].via)) { + if (parport_pc_superio_info[id->driver_data].probe( + pdev, autoirq, autodma, + parport_pc_superio_info[id->driver_data].via)) { ret++; } } @@ -3113,7 +3186,10 @@ static int __init parport_pc_init_superio (int autoirq, int autodma) } #else static struct pci_driver parport_pc_pci_driver; -static int __init parport_pc_init_superio(int autoirq, int autodma) {return 0;} +static int __init parport_pc_init_superio(int autoirq, int autodma) +{ + return 0; +} #endif /* CONFIG_PCI */ #ifdef CONFIG_PNP @@ -3126,44 +3202,45 @@ static const struct pnp_device_id parport_pc_pnp_tbl[] = { { } }; -MODULE_DEVICE_TABLE(pnp,parport_pc_pnp_tbl); +MODULE_DEVICE_TABLE(pnp, parport_pc_pnp_tbl); -static int parport_pc_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *id) +static int parport_pc_pnp_probe(struct pnp_dev *dev, + const struct pnp_device_id *id) { struct parport *pdata; unsigned long io_lo, io_hi; int dma, irq; - if (pnp_port_valid(dev,0) && - !(pnp_port_flags(dev,0) & IORESOURCE_DISABLED)) { - io_lo = pnp_port_start(dev,0); + if (pnp_port_valid(dev, 0) && + !(pnp_port_flags(dev, 0) & IORESOURCE_DISABLED)) { + io_lo = pnp_port_start(dev, 0); } else return -EINVAL; - if (pnp_port_valid(dev,1) && - !(pnp_port_flags(dev,1) & IORESOURCE_DISABLED)) { - io_hi = pnp_port_start(dev,1); + if (pnp_port_valid(dev, 1) && + !(pnp_port_flags(dev, 1) & IORESOURCE_DISABLED)) { + io_hi = pnp_port_start(dev, 1); } else io_hi = 0; - if (pnp_irq_valid(dev,0) && - !(pnp_irq_flags(dev,0) & IORESOURCE_DISABLED)) { - irq = pnp_irq(dev,0); + if (pnp_irq_valid(dev, 0) && + !(pnp_irq_flags(dev, 0) & IORESOURCE_DISABLED)) { + irq = pnp_irq(dev, 0); } else irq = PARPORT_IRQ_NONE; - if (pnp_dma_valid(dev,0) && - !(pnp_dma_flags(dev,0) & IORESOURCE_DISABLED)) { - dma = pnp_dma(dev,0); + if (pnp_dma_valid(dev, 0) && + !(pnp_dma_flags(dev, 0) & IORESOURCE_DISABLED)) { + dma = pnp_dma(dev, 0); } else dma = PARPORT_DMA_NONE; dev_info(&dev->dev, "reported by %s\n", dev->protocol->name); - if (!(pdata = parport_pc_probe_port(io_lo, io_hi, - irq, dma, &dev->dev, 0))) + pdata = parport_pc_probe_port(io_lo, io_hi, irq, dma, &dev->dev, 0); + if (pdata == NULL) return -ENODEV; - pnp_set_drvdata(dev,pdata); + pnp_set_drvdata(dev, pdata); return 0; } @@ -3205,7 +3282,7 @@ static struct platform_driver parport_pc_platform_driver = { /* This is called by parport_pc_find_nonpci_ports (in asm/parport.h) */ static int __devinit __attribute__((unused)) -parport_pc_find_isa_ports (int autoirq, int autodma) +parport_pc_find_isa_ports(int autoirq, int autodma) { int count = 0; @@ -3229,7 +3306,7 @@ parport_pc_find_isa_ports (int autoirq, int autodma) * autoirq is PARPORT_IRQ_NONE, PARPORT_IRQ_AUTO, or PARPORT_IRQ_PROBEONLY * autodma is PARPORT_DMA_NONE or PARPORT_DMA_AUTO */ -static void __init parport_pc_find_ports (int autoirq, int autodma) +static void __init parport_pc_find_ports(int autoirq, int autodma) { int count = 0, err; @@ -3263,11 +3340,18 @@ static void __init parport_pc_find_ports (int autoirq, int autodma) * syntax and keep in mind that code below is a cleaned up version. */ -static int __initdata io[PARPORT_PC_MAX_PORTS+1] = { [0 ... PARPORT_PC_MAX_PORTS] = 0 }; -static int __initdata io_hi[PARPORT_PC_MAX_PORTS+1] = - { [0 ... PARPORT_PC_MAX_PORTS] = PARPORT_IOHI_AUTO }; -static int __initdata dmaval[PARPORT_PC_MAX_PORTS] = { [0 ... PARPORT_PC_MAX_PORTS-1] = PARPORT_DMA_NONE }; -static int __initdata irqval[PARPORT_PC_MAX_PORTS] = { [0 ... PARPORT_PC_MAX_PORTS-1] = PARPORT_IRQ_PROBEONLY }; +static int __initdata io[PARPORT_PC_MAX_PORTS+1] = { + [0 ... PARPORT_PC_MAX_PORTS] = 0 +}; +static int __initdata io_hi[PARPORT_PC_MAX_PORTS+1] = { + [0 ... PARPORT_PC_MAX_PORTS] = PARPORT_IOHI_AUTO +}; +static int __initdata dmaval[PARPORT_PC_MAX_PORTS] = { + [0 ... PARPORT_PC_MAX_PORTS-1] = PARPORT_DMA_NONE +}; +static int __initdata irqval[PARPORT_PC_MAX_PORTS] = { + [0 ... PARPORT_PC_MAX_PORTS-1] = PARPORT_IRQ_PROBEONLY +}; static int __init parport_parse_param(const char *s, int *val, int automatic, int none, int nofifo) @@ -3308,18 +3392,19 @@ static int __init parport_parse_dma(const char *dmastr, int *val) #ifdef CONFIG_PCI static int __init parport_init_mode_setup(char *str) { - printk(KERN_DEBUG "parport_pc.c: Specified parameter parport_init_mode=%s\n", str); - - if (!strcmp (str, "spp")) - parport_init_mode=1; - if (!strcmp (str, "ps2")) - parport_init_mode=2; - if (!strcmp (str, "epp")) - parport_init_mode=3; - if (!strcmp (str, "ecp")) - parport_init_mode=4; - if (!strcmp (str, "ecpepp")) - parport_init_mode=5; + printk(KERN_DEBUG + "parport_pc.c: Specified parameter parport_init_mode=%s\n", str); + + if (!strcmp(str, "spp")) + parport_init_mode = 1; + if (!strcmp(str, "ps2")) + parport_init_mode = 2; + if (!strcmp(str, "epp")) + parport_init_mode = 3; + if (!strcmp(str, "ecp")) + parport_init_mode = 4; + if (!strcmp(str, "ecpepp")) + parport_init_mode = 5; return 1; } #endif @@ -3343,7 +3428,8 @@ module_param(verbose_probing, int, 0644); #endif #ifdef CONFIG_PCI static char *init_mode; -MODULE_PARM_DESC(init_mode, "Initialise mode for VIA VT8231 port (spp, ps2, epp, ecp or ecpepp)"); +MODULE_PARM_DESC(init_mode, + "Initialise mode for VIA VT8231 port (spp, ps2, epp, ecp or ecpepp)"); module_param(init_mode, charp, 0); #endif @@ -3374,7 +3460,7 @@ static int __init parse_parport_params(void) irqval[0] = val; break; default: - printk (KERN_WARNING + printk(KERN_WARNING "parport_pc: irq specified " "without base address. Use 'io=' " "to specify one\n"); @@ -3387,7 +3473,7 @@ static int __init parse_parport_params(void) dmaval[0] = val; break; default: - printk (KERN_WARNING + printk(KERN_WARNING "parport_pc: dma specified " "without base address. Use 'io=' " "to specify one\n"); @@ -3398,7 +3484,7 @@ static int __init parse_parport_params(void) #else -static int parport_setup_ptr __initdata = 0; +static int parport_setup_ptr __initdata; /* * Acceptable parameters: @@ -3409,7 +3495,7 @@ static int parport_setup_ptr __initdata = 0; * * IRQ/DMA may be numeric or 'auto' or 'none' */ -static int __init parport_setup (char *str) +static int __init parport_setup(char *str) { char *endptr; char *sep; @@ -3421,15 +3507,15 @@ static int __init parport_setup (char *str) return 1; } - if (!strncmp (str, "auto", 4)) { + if (!strncmp(str, "auto", 4)) { irqval[0] = PARPORT_IRQ_AUTO; dmaval[0] = PARPORT_DMA_AUTO; return 1; } - val = simple_strtoul (str, &endptr, 0); + val = simple_strtoul(str, &endptr, 0); if (endptr == str) { - printk (KERN_WARNING "parport=%s not understood\n", str); + printk(KERN_WARNING "parport=%s not understood\n", str); return 1; } @@ -3463,7 +3549,7 @@ static int __init parse_parport_params(void) return io[0] == PARPORT_DISABLE; } -__setup ("parport=", parport_setup); +__setup("parport=", parport_setup); /* * Acceptable parameters: @@ -3471,7 +3557,7 @@ __setup ("parport=", parport_setup); * parport_init_mode=[spp|ps2|epp|ecp|ecpepp] */ #ifdef CONFIG_PCI -__setup("parport_init_mode=",parport_init_mode_setup); +__setup("parport_init_mode=", parport_init_mode_setup); #endif #endif @@ -3495,13 +3581,13 @@ static int __init parport_pc_init(void) for (i = 0; i < PARPORT_PC_MAX_PORTS; i++) { if (!io[i]) break; - if ((io_hi[i]) == PARPORT_IOHI_AUTO) - io_hi[i] = 0x400 + io[i]; + if (io_hi[i] == PARPORT_IOHI_AUTO) + io_hi[i] = 0x400 + io[i]; parport_pc_probe_port(io[i], io_hi[i], - irqval[i], dmaval[i], NULL, 0); + irqval[i], dmaval[i], NULL, 0); } } else - parport_pc_find_ports (irqval[0], dmaval[0]); + parport_pc_find_ports(irqval[0], dmaval[0]); return 0; } @@ -3509,9 +3595,9 @@ static int __init parport_pc_init(void) static void __exit parport_pc_exit(void) { if (pci_registered_parport) - pci_unregister_driver (&parport_pc_pci_driver); + pci_unregister_driver(&parport_pc_pci_driver); if (pnp_registered_parport) - pnp_unregister_driver (&parport_pc_pnp_driver); + pnp_unregister_driver(&parport_pc_pnp_driver); platform_driver_unregister(&parport_pc_platform_driver); while (!list_empty(&ports_list)) { |