Commit 1c01cb01 authored by Linus Torvalds's avatar Linus Torvalds

Merge master.kernel.org:/home/axboe/BK/linux-2.5-ide

into home.transmeta.com:/home/torvalds/v2.5/linux
parents 5f6226d6 e75c5962
This diff is collapsed.
...@@ -7,22 +7,18 @@ ...@@ -7,22 +7,18 @@
# Note : at this point, these files are compiled on all systems. # Note : at this point, these files are compiled on all systems.
# In the future, some of these should be built conditionally. # In the future, some of these should be built conditionally.
# #
export-objs := ide-taskfile.o ide.o ide-probe.o ataraid.o
export-objs := device.o ide-taskfile.o main.o ide.o probe.o quirks.o pcidma.o tcq.o \ obj-$(CONFIG_BLK_DEV_IDE) += ide-mod.o ide-probe-mod.o
atapi.o ataraid.o
obj-$(CONFIG_BLK_DEV_HD) += hd.o
obj-$(CONFIG_BLK_DEV_IDE) += ide-mod.o
obj-$(CONFIG_BLK_DEV_IDECS) += ide-cs.o obj-$(CONFIG_BLK_DEV_IDECS) += ide-cs.o
obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk.o obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk.o
obj-$(CONFIG_ATAPI) += atapi.o
obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd.o obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd.o
obj-$(CONFIG_BLK_DEV_IDETAPE) += ide-tape.o obj-$(CONFIG_BLK_DEV_IDETAPE) += ide-tape.o
obj-$(CONFIG_BLK_DEV_IDEFLOPPY) += ide-floppy.o obj-$(CONFIG_BLK_DEV_IDEFLOPPY) += ide-floppy.o
obj-$(CONFIG_BLK_DEV_IT8172) += it8172.o obj-$(CONFIG_BLK_DEV_IT8172) += it8172.o
obj-$(CONFIG_BLK_DEV_QD65XX) += qd65xx.o
ide-obj-$(CONFIG_BLK_DEV_ADMA100) += adma100.o
ide-obj-$(CONFIG_BLK_DEV_AEC62XX) += aec62xx.o ide-obj-$(CONFIG_BLK_DEV_AEC62XX) += aec62xx.o
ide-obj-$(CONFIG_BLK_DEV_ALI14XX) += ali14xx.o ide-obj-$(CONFIG_BLK_DEV_ALI14XX) += ali14xx.o
ide-obj-$(CONFIG_BLK_DEV_ALI15X3) += alim15x3.o ide-obj-$(CONFIG_BLK_DEV_ALI15X3) += alim15x3.o
...@@ -40,12 +36,12 @@ ide-obj-$(CONFIG_BLK_DEV_HPT34X) += hpt34x.o ...@@ -40,12 +36,12 @@ ide-obj-$(CONFIG_BLK_DEV_HPT34X) += hpt34x.o
ide-obj-$(CONFIG_BLK_DEV_HPT366) += hpt366.o ide-obj-$(CONFIG_BLK_DEV_HPT366) += hpt366.o
ide-obj-$(CONFIG_BLK_DEV_HT6560B) += ht6560b.o ide-obj-$(CONFIG_BLK_DEV_HT6560B) += ht6560b.o
ide-obj-$(CONFIG_BLK_DEV_IDE_ICSIDE) += icside.o ide-obj-$(CONFIG_BLK_DEV_IDE_ICSIDE) += icside.o
ide-obj-$(CONFIG_BLK_DEV_IDEDMA) += quirks.o ide-obj-$(CONFIG_BLK_DEV_IDEDMA_PCI) += ide-dma.o
ide-obj-$(CONFIG_BLK_DEV_IDEDMA_PCI) += pcidma.o ide-obj-$(CONFIG_BLK_DEV_MPC8xx_IDE) += ide-m8xx.o
ide-obj-$(CONFIG_BLK_DEV_IDE_TCQ) += tcq.o ide-obj-$(CONFIG_BLK_DEV_IDEPCI) += ide-pci.o
ide-obj-$(CONFIG_PCI) += ide-pci.o
ide-obj-$(CONFIG_BLK_DEV_ISAPNP) += ide-pnp.o ide-obj-$(CONFIG_BLK_DEV_ISAPNP) += ide-pnp.o
ide-obj-$(CONFIG_BLK_DEV_IDE_PMAC) += ide-pmac.o ide-obj-$(CONFIG_BLK_DEV_IDE_PMAC) += ide-pmac.o
ide-obj-$(CONFIG_BLK_DEV_IDE_SWARM) += ide-swarm.o
ide-obj-$(CONFIG_BLK_DEV_MAC_IDE) += macide.o ide-obj-$(CONFIG_BLK_DEV_MAC_IDE) += macide.o
ide-obj-$(CONFIG_BLK_DEV_NS87415) += ns87415.o ide-obj-$(CONFIG_BLK_DEV_NS87415) += ns87415.o
ide-obj-$(CONFIG_BLK_DEV_OPTI621) += opti621.o ide-obj-$(CONFIG_BLK_DEV_OPTI621) += opti621.o
...@@ -53,22 +49,19 @@ ide-obj-$(CONFIG_BLK_DEV_SVWKS) += serverworks.o ...@@ -53,22 +49,19 @@ ide-obj-$(CONFIG_BLK_DEV_SVWKS) += serverworks.o
ide-obj-$(CONFIG_BLK_DEV_PDC202XX) += pdc202xx.o ide-obj-$(CONFIG_BLK_DEV_PDC202XX) += pdc202xx.o
ide-obj-$(CONFIG_BLK_DEV_PDC4030) += pdc4030.o ide-obj-$(CONFIG_BLK_DEV_PDC4030) += pdc4030.o
ide-obj-$(CONFIG_BLK_DEV_PIIX) += piix.o ide-obj-$(CONFIG_BLK_DEV_PIIX) += piix.o
ide-obj-$(CONFIG_BLK_DEV_QD65XX) += qd65xx.o
ide-obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapide.o ide-obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapide.o
ide-obj-$(CONFIG_BLK_DEV_RZ1000) += rz1000.o ide-obj-$(CONFIG_BLK_DEV_RZ1000) += rz1000.o
ide-obj-$(CONFIG_BLK_DEV_SIS5513) += sis5513.o ide-obj-$(CONFIG_BLK_DEV_SIS5513) += sis5513.o
ide-obj-$(CONFIG_BLK_DEV_SLC90E66) += slc90e66.o
ide-obj-$(CONFIG_BLK_DEV_SL82C105) += sl82c105.o ide-obj-$(CONFIG_BLK_DEV_SL82C105) += sl82c105.o
ide-obj-$(CONFIG_BLK_DEV_TRM290) += trm290.o ide-obj-$(CONFIG_BLK_DEV_TRM290) += trm290.o
ide-obj-$(CONFIG_BLK_DEV_UMC8672) += umc8672.o ide-obj-$(CONFIG_BLK_DEV_UMC8672) += umc8672.o
ide-obj-$(CONFIG_BLK_DEV_VIA82CXXX) += via82cxxx.o ide-obj-$(CONFIG_BLK_DEV_VIA82CXXX) += via82cxxx.o
ide-obj-$(CONFIG_BLK_DEV_MPC8xx_IDE) += ide-m8xx.o
# The virtualised raid layers MUST come after the ide itself or bad stuff ide-obj-$(CONFIG_PROC_FS) += ide-proc.o
# will happen.
obj-$(CONFIG_BLK_DEV_ATARAID) += ataraid.o
obj-$(CONFIG_BLK_DEV_ATARAID_PDC) += pdcraid.o
obj-$(CONFIG_BLK_DEV_ATARAID_HPT) += hptraid.o
ide-mod-objs := device.o ide-taskfile.o main.o ide.o probe.o \ ide-mod-objs := ide-taskfile.o ide.o $(ide-obj-y)
ioctl.o ata-timing.o $(ide-obj-y) ide-probe-mod-objs := ide-probe.o ide-geometry.o
include $(TOPDIR)/Rules.make include $(TOPDIR)/Rules.make
/*
* linux/drivers/ide/adma100.c -- basic support for Pacific Digital ADMA-100 boards
*
* Created 09 Apr 2002 by Mark Lord
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*/
#include <linux/mm.h>
#include <linux/blkdev.h>
#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <asm/io.h>
void __init ide_init_adma100 (ide_hwif_t *hwif)
{
u32 phy_admctl = pci_resource_start(hwif->pci_dev, 4) + 0x80 + (hwif->channel * 0x20);
void *v_admctl;
hwif->autodma = 0; // not compatible with normal IDE DMA transfers
hwif->dma_base = 0; // disable DMA completely
hwif->io_ports[IDE_CONTROL_OFFSET] += 4; // chip needs offset of 6 instead of 2
v_admctl = ioremap_nocache(phy_admctl, 1024); // map config regs, so we can turn on drive IRQs
*((unsigned short *)v_admctl) &= 3; // enable aIEN; preserve PIO mode
iounmap(v_admctl); // all done; unmap config regs
}
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/* /*
* linux/drivers/ide/ali14xx.c Version 0.03 Feb 09, 1996
*
* Copyright (C) 1996 Linus Torvalds & author (see below) * Copyright (C) 1996 Linus Torvalds & author (see below)
*/ */
...@@ -13,7 +15,7 @@ ...@@ -13,7 +15,7 @@
* I think the code should be pretty understandable, * I think the code should be pretty understandable,
* but I'll be happy to (try to) answer questions. * but I'll be happy to (try to) answer questions.
* *
* The critical part is in the ali14xx_tune_drive function. The init_registers * The critical part is in the setupDrive function. The initRegisters
* function doesn't seem to be necessary, but the DOS driver does it, so * function doesn't seem to be necessary, but the DOS driver does it, so
* I threw it in. * I threw it in.
* *
...@@ -35,27 +37,31 @@ ...@@ -35,27 +37,31 @@
* mode 4 for a while now with no trouble.) -Derek * mode 4 for a while now with no trouble.) -Derek
*/ */
#undef REALLY_SLOW_IO /* most systems can safely undef this */
#include <linux/types.h> #include <linux/types.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/init.h> #include <linux/delay.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/blkdev.h>
#include <linux/hdreg.h> #include <linux/hdreg.h>
#include <linux/ide.h> #include <linux/ide.h>
#include <linux/init.h>
#include <asm/io.h> #include <asm/io.h>
#include "timing.h" #include "ide_modes.h"
/* port addresses for auto-detection */ /* port addresses for auto-detection */
#define ALI_NUM_PORTS 4 #define ALI_NUM_PORTS 4
static int ports[ALI_NUM_PORTS] __initdata = static int ports[ALI_NUM_PORTS] __initdata = {0x074, 0x0f4, 0x034, 0x0e4};
{ 0x074, 0x0f4, 0x034, 0x0e4 };
/* register initialization data */ /* register initialization data */
struct reg_initializer { typedef struct { byte reg, data; } RegInitializer;
u8 reg, data;
};
static struct reg_initializer init_data[] __initdata = { static RegInitializer initData[] __initdata = {
{0x01, 0x0f}, {0x02, 0x00}, {0x03, 0x00}, {0x04, 0x00}, {0x01, 0x0f}, {0x02, 0x00}, {0x03, 0x00}, {0x04, 0x00},
{0x05, 0x00}, {0x06, 0x00}, {0x07, 0x2b}, {0x0a, 0x0f}, {0x05, 0x00}, {0x06, 0x00}, {0x07, 0x2b}, {0x0a, 0x0f},
{0x25, 0x00}, {0x26, 0x00}, {0x27, 0x00}, {0x28, 0x00}, {0x25, 0x00}, {0x26, 0x00}, {0x27, 0x00}, {0x28, 0x00},
...@@ -65,164 +71,153 @@ static struct reg_initializer init_data[] __initdata = { ...@@ -65,164 +71,153 @@ static struct reg_initializer init_data[] __initdata = {
{0x35, 0x03}, {0x00, 0x00} {0x35, 0x03}, {0x00, 0x00}
}; };
#define ALI_MAX_PIO 4
/* timing parameter registers for each drive */ /* timing parameter registers for each drive */
static struct { static struct { byte reg1, reg2, reg3, reg4; } regTab[4] = {
u8 reg1, reg2, reg3, reg4; {0x03, 0x26, 0x04, 0x27}, /* drive 0 */
} reg_tab[4] = { {0x05, 0x28, 0x06, 0x29}, /* drive 1 */
{ {0x2b, 0x30, 0x2c, 0x31}, /* drive 2 */
0x03, 0x26, 0x04, 0x27}, /* drive 0 */ {0x2d, 0x32, 0x2e, 0x33}, /* drive 3 */
{
0x05, 0x28, 0x06, 0x29}, /* drive 1 */
{
0x2b, 0x30, 0x2c, 0x31}, /* drive 2 */
{
0x2d, 0x32, 0x2e, 0x33}, /* drive 3 */
}; };
static int base_port; /* base port address */ static int basePort; /* base port address */
static int reg_port; /* port for register number */ static int regPort; /* port for register number */
static int data_port; /* port for register data */ static int dataPort; /* port for register data */
static u8 reg_on; /* output to base port to access registers */ static byte regOn; /* output to base port to access registers */
static u8 reg_off; /* output to base port to close registers */ static byte regOff; /* output to base port to close registers */
/*------------------------------------------------------------------------*/
/* /*
* Read a controller register. * Read a controller register.
*/ */
static inline u8 in_reg(u8 reg) static inline byte inReg (byte reg)
{ {
outb_p(reg, reg_port); outb_p(reg, regPort);
return inb(data_port); return IN_BYTE(dataPort);
} }
/* /*
* Write a controller register. * Write a controller register.
*/ */
static inline void out_reg(u8 data, u8 reg) static void outReg (byte data, byte reg)
{ {
outb_p(reg, reg_port); outb_p(reg, regPort);
outb_p(data, data_port); outb_p(data, dataPort);
} }
/* /*
* Set PIO mode for the specified drive. * Set PIO mode for the specified drive.
* This function computes timing parameters * This function computes timing parameters
* and sets controller registers accordingly. * and sets controller registers accordingly.
* It assumes IRQ's are disabled or at least that no other process will
* attempt to access the IDE registers concurrently.
*/ */
static void ali14xx_tune_drive(struct ata_device *drive, u8 pio) static void ali14xx_tune_drive (ide_drive_t *drive, byte pio)
{ {
int drive_num; int driveNum;
int time1, time2; int time1, time2;
u8 param1, param2, param3, param4; byte param1, param2, param3, param4;
struct ata_timing *t; unsigned long flags;
ide_pio_data_t d;
if (pio == 255) int bus_speed = system_bus_clock();
pio = ata_timing_mode(drive, XFER_PIO | XFER_EPIO);
else
pio = XFER_PIO_0 + min_t(u8, pio, 4);
t = ata_timing_data(pio); pio = ide_get_best_pio_mode(drive, pio, ALI_MAX_PIO, &d);
/* calculate timing, according to PIO mode */ /* calculate timing, according to PIO mode */
time1 = t->cycle; time1 = d.cycle_time;
time2 = t->active; time2 = ide_pio_timings[pio].active_time;
param3 = param1 = (time2 * system_bus_speed + 999999) / 1000000; param3 = param1 = (time2 * bus_speed + 999) / 1000;
param4 = param2 = param4 = param2 = (time1 * bus_speed + 999) / 1000 - param1;
(time1 * system_bus_speed + 999999) / 1000000 - param1; if (pio < 3) {
if (pio < XFER_PIO_3) {
param3 += 8; param3 += 8;
param4 += 8; param4 += 8;
} }
printk(KERN_DEBUG printk("%s: PIO mode%d, t1=%dns, t2=%dns, cycles = %d+%d, %d+%d\n",
"%s: PIO mode%d, t1=%dns, t2=%dns, cycles = %d+%d, %d+%d\n", drive->name, pio, time1, time2, param1, param2, param3, param4);
drive->name, pio - XFER_PIO_0, time1, time2, param1, param2,
param3, param4);
/* stuff timing parameters into controller registers */ /* stuff timing parameters into controller registers */
drive_num = (drive->channel->index << 1) + drive->select.b.unit; driveNum = (HWIF(drive)->index << 1) + drive->select.b.unit;
outb_p(reg_on, base_port); spin_lock_irqsave(&ide_lock, flags);
out_reg(param1, reg_tab[drive_num].reg1); outb_p(regOn, basePort);
out_reg(param2, reg_tab[drive_num].reg2); outReg(param1, regTab[driveNum].reg1);
out_reg(param3, reg_tab[drive_num].reg3); outReg(param2, regTab[driveNum].reg2);
out_reg(param4, reg_tab[drive_num].reg4); outReg(param3, regTab[driveNum].reg3);
outb_p(reg_off, base_port); outReg(param4, regTab[driveNum].reg4);
outb_p(regOff, basePort);
spin_unlock_irqrestore(&ide_lock, flags);
} }
/* /*
* Auto-detect the IDE controller port. * Auto-detect the IDE controller port.
*/ */
static int __init find_port(void) static int __init findPort (void)
{ {
int i; int i;
byte t;
unsigned long flags; unsigned long flags;
local_irq_save(flags); local_irq_save(flags);
for (i = 0; i < ALI_NUM_PORTS; i++) { for (i = 0; i < ALI_NUM_PORTS; ++i) {
base_port = ports[i]; basePort = ports[i];
reg_off = inb(base_port); regOff = IN_BYTE(basePort);
for (reg_on = 0x30; reg_on <= 0x33; reg_on++) { for (regOn = 0x30; regOn <= 0x33; ++regOn) {
outb_p(reg_on, base_port); outb_p(regOn, basePort);
if (inb(base_port) == reg_on) { if (IN_BYTE(basePort) == regOn) {
u8 t; regPort = basePort + 4;
reg_port = base_port + 4; dataPort = basePort + 8;
data_port = base_port + 8; t = inReg(0) & 0xf0;
t = in_reg(0) & 0xf0; outb_p(regOff, basePort);
outb_p(reg_off, base_port);
local_irq_restore(flags); local_irq_restore(flags);
if (t != 0x50) if (t != 0x50)
return 0; return 0;
return 1; /* success */ return 1; /* success */
} }
} }
outb_p(reg_off, base_port); outb_p(regOff, basePort);
} }
local_irq_restore(flags); local_irq_restore(flags);
return 0; return 0;
} }
/* /*
* Initialize controller registers with default values. * Initialize controller registers with default values.
*/ */
static int __init init_registers(void) static int __init initRegisters (void) {
{ RegInitializer *p;
struct reg_initializer *p; byte t;
unsigned long flags; unsigned long flags;
u8 t;
local_irq_save(flags); local_irq_save(flags);
outb_p(reg_on, base_port); outb_p(regOn, basePort);
for (p = init_data; p->reg != 0; ++p) for (p = initData; p->reg != 0; ++p)
out_reg(p->data, p->reg); outReg(p->data, p->reg);
outb_p(0x01, reg_port); outb_p(0x01, regPort);
t = inb(reg_port) & 0x01; t = IN_BYTE(regPort) & 0x01;
outb_p(reg_off, base_port); outb_p(regOff, basePort);
local_irq_restore(flags); local_irq_restore(flags);
return t; return t;
} }
void __init init_ali14xx(void) void __init init_ali14xx (void)
{ {
/* auto-detect IDE controller port */ /* auto-detect IDE controller port */
if (!find_port()) { if (!findPort()) {
printk(KERN_ERR "ali14xx: not found\n"); printk("\nali14xx: not found");
return; return;
} }
printk(KERN_DEBUG "ali14xx: base=%#03x, reg_on=%#02x\n", printk("\nali14xx: base= 0x%03x, regOn = 0x%02x", basePort, regOn);
base_port, reg_on);
ide_hwifs[0].chipset = ide_ali14xx; ide_hwifs[0].chipset = ide_ali14xx;
ide_hwifs[1].chipset = ide_ali14xx; ide_hwifs[1].chipset = ide_ali14xx;
ide_hwifs[0].tuneproc = &ali14xx_tune_drive; ide_hwifs[0].tuneproc = &ali14xx_tune_drive;
ide_hwifs[1].tuneproc = &ali14xx_tune_drive; ide_hwifs[1].tuneproc = &ali14xx_tune_drive;
ide_hwifs[0].unit = ATA_PRIMARY; ide_hwifs[0].mate = &ide_hwifs[1];
ide_hwifs[1].unit = ATA_SECONDARY; ide_hwifs[1].mate = &ide_hwifs[0];
ide_hwifs[1].channel = 1;
/* initialize controller registers */ /* initialize controller registers */
if (!init_registers()) { if (!initRegisters()) {
printk(KERN_ERR "ali14xx: Chip initialization failed\n"); printk("\nali14xx: Chip initialization failed");
return; return;
} }
} }
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/**** vi:set ts=8 sts=8 sw=8:************************************************
*
* Copyright (C) 2002 Marcin Dalecki <martin@dalecki.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
/*
* Code common among all the ATAPI device drivers.
*
* Ideally this should evolve in to a unified driver.
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/blkdev.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/cdrom.h>
#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/atapi.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/bitops.h>
#include <asm/uaccess.h>
/*
* Initializes a packet command. Used by tape and floppy driver.
*/
void atapi_init_pc(struct atapi_packet_command *pc)
{
memset(pc->c, 0, 12);
pc->retries = 0;
pc->flags = 0;
pc->request_transfer = 0;
pc->buffer = pc->pc_buffer;
pc->buffer_size = IDEFLOPPY_PC_BUFFER_SIZE;
pc->b_data = NULL;
pc->bio = NULL;
}
/*
* Too bad. The drive wants to send us data which we are not ready to accept.
* Just throw it away.
*/
void atapi_discard_data(struct ata_device *drive, unsigned int bcount)
{
while (bcount--)
IN_BYTE(IDE_DATA_REG);
}
void atapi_write_zeros(struct ata_device *drive, unsigned int bcount)
{
while (bcount--)
OUT_BYTE(0, IDE_DATA_REG);
}
/*
* The following routines are mainly used by the ATAPI drivers.
*
* These routines will round up any request for an odd number of bytes, so if
* an odd n is specified, be sure that there's at least one extra byte
* allocated for the buffer.
*/
void atapi_read(struct ata_device *drive, u8 *buf, unsigned int n)
{
if (drive->channel->atapi_read) {
drive->channel->atapi_read(drive, buf, n);
return;
}
++n;
#if defined(CONFIG_ATARI) || defined(CONFIG_Q40)
if (MACH_IS_ATARI || MACH_IS_Q40) {
/* Atari has a byte-swapped IDE interface */
insw_swapw(IDE_DATA_REG, buf, n / 2);
return;
}
#endif
ata_read(drive, buf, n / 4);
if ((n & 0x03) >= 2)
insw(IDE_DATA_REG, buf + (n & ~0x03), 1);
}
void atapi_write(struct ata_device *drive, u8 *buf, unsigned int n)
{
if (drive->channel->atapi_write) {
drive->channel->atapi_write(drive, buf, n);
return;
}
++n;
#if defined(CONFIG_ATARI) || defined(CONFIG_Q40)
if (MACH_IS_ATARI || MACH_IS_Q40) {
/* Atari has a byte-swapped IDE interface */
outsw_swapw(IDE_DATA_REG, buf, n / 2);
return;
}
#endif
ata_write(drive, buf, n / 4);
if ((n & 0x03) >= 2)
outsw(IDE_DATA_REG, buf + (n & ~0x03), 1);
}
/*
* This function issues a special IDE device request onto the request queue.
*
* If action is ide_wait, then the rq is queued at the end of the request
* queue, and the function sleeps until it has been processed. This is for use
* when invoked from an ioctl handler.
*
* If action is ide_preempt, then the rq is queued at the head of the request
* queue, displacing the currently-being-processed request and this function
* returns immediately without waiting for the new rq to be completed. This is
* VERY DANGEROUS, and is intended for careful use by the ATAPI tape/cdrom
* driver code.
*
* If action is ide_end, then the rq is queued at the end of the request queue,
* and the function returns immediately without waiting for the new rq to be
* completed. This is again intended for careful use by the ATAPI tape/cdrom
* driver code.
*/
int ide_do_drive_cmd(struct ata_device *drive, struct request *rq, ide_action_t action)
{
unsigned long flags;
struct ata_channel *ch = drive->channel;
unsigned int major = ch->major;
request_queue_t *q = &drive->queue;
struct list_head *queue_head = &q->queue_head;
DECLARE_COMPLETION(wait);
#ifdef CONFIG_BLK_DEV_PDC4030
if (ch->chipset == ide_pdc4030 && rq->buffer)
return -ENOSYS; /* special drive cmds not supported */
#endif
rq->errors = 0;
rq->rq_status = RQ_ACTIVE;
rq->rq_dev = mk_kdev(major, (drive->select.b.unit) << PARTN_BITS);
if (action == ide_wait)
rq->waiting = &wait;
spin_lock_irqsave(ch->lock, flags);
if (action == ide_preempt)
drive->rq = NULL;
else if (!blk_queue_empty(&drive->queue))
queue_head = queue_head->prev; /* ide_end and ide_wait */
__elv_add_request(q, rq, queue_head);
do_ide_request(q);
spin_unlock_irqrestore(ch->lock, flags);
if (action == ide_wait) {
wait_for_completion(&wait); /* wait for it to be serviced */
return rq->errors ? -EIO : 0; /* return -EIO if errors */
}
return 0;
}
EXPORT_SYMBOL(ide_do_drive_cmd);
EXPORT_SYMBOL(atapi_discard_data);
EXPORT_SYMBOL(atapi_write_zeros);
EXPORT_SYMBOL(atapi_init_pc);
EXPORT_SYMBOL(atapi_read);
EXPORT_SYMBOL(atapi_write);
MODULE_LICENSE("GPL");
/*
ataraid.c Copyright (C) 2001 Red Hat, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
You should have received a copy of the GNU General Public License
(for example /usr/src/linux/COPYING); if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Authors: Arjan van de Ven <arjanv@redhat.com>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <asm/semaphore.h>
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/genhd.h>
#include <linux/ioctl.h>
#include <linux/kdev_t.h>
#include <linux/swap.h>
#include <linux/buffer_head.h>
#include <linux/ide.h>
#include <asm/uaccess.h>
#include "ataraid.h"
static struct raid_device_operations *ataraid_ops[16];
static int ataraid_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg);
static int ataraid_open(struct inode *inode, struct file *filp);
static int ataraid_release(struct inode *inode, struct file *filp);
static void ataraid_split_request(request_queue_t * q, int rw,
struct buffer_head *bh);
static struct gendisk ataraid_gendisk[16];
static struct hd_struct *ataraid_part;
static char *ataraid_names;
static int ataraid_readahead[256];
static struct block_device_operations ataraid_fops = {
.owner = THIS_MODULE,
.open = ataraid_open,
.release = ataraid_release,
.ioctl = ataraid_ioctl,
};
static DECLARE_MUTEX(ataraid_sem);
/* Bitmap for the devices currently in use */
static unsigned int ataraiduse;
/* stub fops functions */
static int ataraid_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
int minor;
minor = minor(inode->i_rdev) >> SHIFT;
if ((ataraid_ops[minor]) && (ataraid_ops[minor]->ioctl))
return (ataraid_ops[minor]->ioctl) (inode, file, cmd, arg);
return -EINVAL;
}
static int ataraid_open(struct inode *inode, struct file *filp)
{
int minor;
minor = minor(inode->i_rdev) >> SHIFT;
if ((ataraid_ops[minor]) && (ataraid_ops[minor]->open))
return (ataraid_ops[minor]->open) (inode, filp);
return -EINVAL;
}
static int ataraid_release(struct inode *inode, struct file *filp)
{
int minor;
minor = minor(inode->i_rdev) >> SHIFT;
if ((ataraid_ops[minor]) && (ataraid_ops[minor]->release))
return (ataraid_ops[minor]->release) (inode, filp);
return -EINVAL;
}
static int ataraid_make_request(request_queue_t * q, int rw,
struct buffer_head *bh)
{
int minor;
int retval;
minor = minor(bh->b_rdev) >> SHIFT;
if ((ataraid_ops[minor]) && (ataraid_ops[minor]->make_request)) {
retval = (ataraid_ops[minor]->make_request) (q, rw, bh);
if (retval == -1) {
ataraid_split_request(q, rw, bh);
return 0;
} else
return retval;
}
return -EINVAL;
}
struct buffer_head *ataraid_get_bhead(void)
{
void *ptr = NULL;
while (!ptr) {
ptr = kmalloc(sizeof(struct buffer_head), GFP_NOIO);
if (!ptr)
yield();
}
return ptr;
}
EXPORT_SYMBOL(ataraid_get_bhead);
struct ataraid_bh_private *ataraid_get_private(void)
{
void *ptr = NULL;
while (!ptr) {
ptr = kmalloc(sizeof(struct ataraid_bh_private), GFP_NOIO);
if (!ptr)
yield();
}
return ptr;
}
EXPORT_SYMBOL(ataraid_get_private);
void ataraid_end_request(struct buffer_head *bh, int uptodate)
{
struct ataraid_bh_private *private = bh->b_private;
if (private == NULL)
BUG();
if (atomic_dec_and_test(&private->count)) {
private->parent->b_end_io(private->parent, uptodate);
private->parent = NULL;
kfree(private);
}
kfree(bh);
}
EXPORT_SYMBOL(ataraid_end_request);
static void ataraid_split_request(request_queue_t * q, int rw,
struct buffer_head *bh)
{
struct buffer_head *bh1, *bh2;
struct ataraid_bh_private *private;
bh1 = ataraid_get_bhead();
bh2 = ataraid_get_bhead();
/* If either of those ever fails we're doomed */
if ((!bh1) || (!bh2))
BUG();
private = ataraid_get_private();
if (private == NULL)
BUG();
memcpy(bh1, bh, sizeof(*bh));
memcpy(bh2, bh, sizeof(*bh));
bh1->b_end_io = ataraid_end_request;
bh2->b_end_io = ataraid_end_request;
bh2->b_rsector += bh->b_size >> 10;
bh1->b_size /= 2;
bh2->b_size /= 2;
private->parent = bh;
bh1->b_private = private;
bh2->b_private = private;
atomic_set(&private->count, 2);
bh2->b_data += bh->b_size / 2;
generic_make_request(rw, bh1);
generic_make_request(rw, bh2);
}
/* device register / release functions */
int ataraid_get_device(struct raid_device_operations *fops)
{
int bit;
down(&ataraid_sem);
if (ataraiduse == ~0U) {
up(&ataraid_sem);
return -ENODEV;
}
bit = ffz(ataraiduse);
ataraiduse |= 1 << bit;
ataraid_ops[bit] = fops;
up(&ataraid_sem);
return bit;
}
void ataraid_release_device(int device)
{
down(&ataraid_sem);
if ((ataraiduse & (1 << device)) == 0)
BUG(); /* device wasn't registered at all */
ataraiduse &= ~(1 << device);
ataraid_ops[device] = NULL;
up(&ataraid_sem);
}
void ataraid_register_disk(int device, long size)
{
struct gendisk *disk = ataraid_gendisk + device;
char *name = ataraid_names + 12 * device;
sprintf(name, "ataraid/d%d", device);
disk->part = ataraid_part + 16 * device;
disk->major = ATAMAJOR;
disk->first_minor = 16 * device;
disk->major_name = name;
disk->minor_shift = 4;
disk->nr_real = 1;
disk->fops = &ataraid_fops;
add_gendisk(disk);
register_disk(disk,
mk_kdev(disk->major, disk->first_minor),
1 << disk->minor_shift,
disk->fops, size);
}
void ataraid_unregister_disk(int device)
{
del_gendisk(&ataraid_gendisk[device]);
}
static __init int ataraid_init(void)
{
int i;
for (i = 0; i < 256; i++)
ataraid_readahead[i] = 1023;
/* setup the gendisk structure */
ataraid_part = kmalloc(256 * sizeof(struct hd_struct), GFP_KERNEL);
ataraid_names = kmalloc(16 * 12, GFP_KERNEL);
if (!ataraid_part || !ataraid_names) {
kfree(ataraid_part);
kfree(ataraid_names);
printk(KERN_ERR
"ataraid: Couldn't allocate memory, aborting \n");
return -1;
}
memset(ataraid_part, 0, 256 * sizeof(struct hd_struct));
if (register_blkdev(ATAMAJOR, "ataraid", &ataraid_fops)) {
kfree(ataraid_part);
kfree(ataraid_names);
printk(KERN_ERR "ataraid: Could not get major %d \n",
ATAMAJOR);
return -1;
}
blk_queue_make_request(BLK_DEFAULT_QUEUE(ATAMAJOR),
ataraid_make_request);
return 0;
}
static void __exit ataraid_exit(void)
{
unregister_blkdev(ATAMAJOR, "ataraid");
kfree(ataraid_part);
kfree(ataraid_names);
}
module_init(ataraid_init);
module_exit(ataraid_exit);
EXPORT_SYMBOL(ataraid_get_device);
EXPORT_SYMBOL(ataraid_release_device);
EXPORT_SYMBOL(ataraid_register_disk);
EXPORT_SYMBOL(ataraid_unregister_disk);
MODULE_LICENSE("GPL");
/*
ataraid.h Copyright (C) 2001 Red Hat, Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
You should have received a copy of the GNU General Public License
(for example /usr/src/linux/COPYING); if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Authors: Arjan van de Ven <arjanv@redhat.com>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <asm/semaphore.h>
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/genhd.h>
#include <linux/ioctl.h>
#include <linux/ide.h>
#include <asm/uaccess.h>
#define ATAMAJOR 114
#define SHIFT 4
#define MINOR_MASK 15
#define MAJOR_MASK 15
/* raid_device_operations is a light struct block_device_operations with an
added method for make_request */
struct raid_device_operations {
int (*open) (struct inode *, struct file *);
int (*release) (struct inode *, struct file *);
int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
int (*make_request) (request_queue_t *q, int rw, struct buffer_head * bh);
};
struct geom {
unsigned char heads;
unsigned int cylinders;
unsigned char sectors;
};
/* structure for the splitting of bufferheads */
struct ataraid_bh_private {
struct buffer_head *parent;
atomic_t count;
};
extern int ataraid_get_device(struct raid_device_operations *fops);
extern void ataraid_release_device(int device);
extern void ataraid_register_disk(int device,long size);
extern void ataraid_unregister_disk(int device);
extern struct buffer_head *ataraid_get_bhead(void);
extern struct ataraid_bh_private *ataraid_get_private(void);
extern void ataraid_end_request(struct buffer_head *bh, int uptodate);
...@@ -117,7 +117,7 @@ typedef enum BuddhaType_Enum { ...@@ -117,7 +117,7 @@ typedef enum BuddhaType_Enum {
* Check and acknowledge the interrupt status * Check and acknowledge the interrupt status
*/ */
static int buddha_ack_intr(struct ata_channel *hwif) static int buddha_ack_intr(ide_hwif_t *hwif)
{ {
unsigned char ch; unsigned char ch;
...@@ -127,7 +127,7 @@ static int buddha_ack_intr(struct ata_channel *hwif) ...@@ -127,7 +127,7 @@ static int buddha_ack_intr(struct ata_channel *hwif)
return 1; return 1;
} }
static int xsurf_ack_intr(struct ata_channel *hwif) static int xsurf_ack_intr(ide_hwif_t *hwif)
{ {
unsigned char ch; unsigned char ch;
...@@ -202,9 +202,9 @@ void __init buddha_init(void) ...@@ -202,9 +202,9 @@ void __init buddha_init(void)
xsurf_offsets, 0, xsurf_offsets, 0,
(ide_ioreg_t)(buddha_board+xsurf_irqports[i]), (ide_ioreg_t)(buddha_board+xsurf_irqports[i]),
xsurf_ack_intr, IRQ_AMIGA_PORTS); xsurf_ack_intr, IRQ_AMIGA_PORTS);
} }
index = ide_register_hw(&hw); index = ide_register_hw(&hw, NULL);
if (index != -1) { if (index != -1) {
printk("ide%d: ", index); printk("ide%d: ", index);
switch(type) { switch(type) {
......
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...@@ -60,7 +60,7 @@ void __init falconide_init(void) ...@@ -60,7 +60,7 @@ void __init falconide_init(void)
ide_setup_ports(&hw, (ide_ioreg_t)ATA_HD_BASE, falconide_offsets, ide_setup_ports(&hw, (ide_ioreg_t)ATA_HD_BASE, falconide_offsets,
0, 0, NULL, IRQ_MFP_IDE); 0, 0, NULL, IRQ_MFP_IDE);
index = ide_register_hw(&hw); index = ide_register_hw(&hw, NULL);
if (index != -1) if (index != -1)
printk("ide%d: Falcon IDE interface\n", index); printk("ide%d: Falcon IDE interface\n", index);
......
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/*
* linux/drivers/ide/ide-adma.c Version 0.00 June 24, 2001
*
* Copyright (c) 2001 Andre Hedrick <andre@linux-ide.org>
*
* Asynchronous DMA -- TBA, this is a holding file.
*
*/
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/**** vi:set ts=8 sts=8 sw=8:************************************************
*
* Copyright (C) 2002 Marcin Dalecki <martin@dalecki.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
extern int ata_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
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...@@ -34,8 +34,8 @@ ...@@ -34,8 +34,8 @@
#define QD_CONFIG(hwif) ((hwif)->config_data & 0x00ff) #define QD_CONFIG(hwif) ((hwif)->config_data & 0x00ff)
#define QD_CONTROL(hwif) (((hwif)->config_data & 0xff00) >> 8) #define QD_CONTROL(hwif) (((hwif)->config_data & 0xff00) >> 8)
#define QD_TIMING(drive) (u8)(((drive)->drive_data) & 0x00ff) #define QD_TIMING(drive) (byte)(((drive)->drive_data) & 0x00ff)
#define QD_TIMREG(drive) (u8)((((drive)->drive_data) & 0xff00) >> 8) #define QD_TIMREG(drive) (byte)((((drive)->drive_data) & 0xff00) >> 8)
#define QD6500_DEF_DATA ((QD_TIM1_PORT<<8) | (QD_ID3 ? 0x0c : 0x08)) #define QD6500_DEF_DATA ((QD_TIM1_PORT<<8) | (QD_ID3 ? 0x0c : 0x08))
#define QD6580_DEF_DATA ((QD_TIM1_PORT<<8) | (QD_ID3 ? 0x0a : 0x00)) #define QD6580_DEF_DATA ((QD_TIM1_PORT<<8) | (QD_ID3 ? 0x0a : 0x00))
......
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...@@ -41,7 +41,7 @@ static inline int rapide_register(struct expansion_card *ec) ...@@ -41,7 +41,7 @@ static inline int rapide_register(struct expansion_card *ec)
hw.io_ports[IDE_CONTROL_OFFSET] = port + 0x206; hw.io_ports[IDE_CONTROL_OFFSET] = port + 0x206;
hw.irq = ec->irq; hw.irq = ec->irq;
return ide_register_hw(&hw); return ide_register_hw(&hw, NULL);
} }
int __init rapide_init(void) int __init rapide_init(void)
......
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