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Commit 7116317d authored by Linus Torvalds's avatar Linus Torvalds
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Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6

parents 24996049 0afaa4fc
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Showing with 567 additions and 1134 deletions
drivers/ide/Kconfig
View file @ 7116317d
......@@ -807,14 +807,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
endchoice
config BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
bool "Enable burstable Mode on DbDMA"
default false
depends BLK_DEV_IDE_AU1XXX
help
This option enable the burstable Flag on DbDMA controller
(cf. "AMD Alchemy 'Au1200' Processor Data Book - PRELIMINARY").
config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
int "Maximum transfer size (KB) per request (up to 128)"
default "128"
......@@ -940,7 +932,7 @@ config BLK_DEV_Q40IDE
config BLK_DEV_MPC8xx_IDE
bool "MPC8xx IDE support"
depends on 8xx
depends on 8xx && IDE=y && BLK_DEV_IDE=y
help
This option provides support for IDE on Motorola MPC8xx Systems.
Please see 'Type of MPC8xx IDE interface' for details.
......
drivers/ide/ide-cd.c
View file @ 7116317d
......@@ -1292,7 +1292,6 @@ static ide_startstop_t cdrom_start_seek (ide_drive_t *drive, unsigned int block)
struct cdrom_info *info = drive->driver_data;
info->dma = 0;
info->cmd = 0;
info->start_seek = jiffies;
return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation);
}
......@@ -1344,8 +1343,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
(rq->nr_sectors & (sectors_per_frame - 1)))
info->dma = 0;
info->cmd = READ;
/* Start sending the read request to the drive. */
return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation);
}
......@@ -1484,7 +1481,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
struct cdrom_info *info = drive->driver_data;
info->dma = 0;
info->cmd = 0;
rq->flags &= ~REQ_FAILED;
len = rq->data_len;
......@@ -1891,7 +1887,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq)
/* use dma, if possible. we don't need to check more, since we
* know that the transfer is always (at least!) frame aligned */
info->dma = drive->using_dma ? 1 : 0;
info->cmd = WRITE;
info->devinfo.media_written = 1;
......@@ -1916,7 +1911,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
rq->flags |= REQ_QUIET;
info->dma = 0;
info->cmd = 0;
/*
* sg request
......@@ -1925,7 +1919,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
int mask = drive->queue->dma_alignment;
unsigned long addr = (unsigned long) page_address(bio_page(rq->bio));
info->cmd = rq_data_dir(rq);
info->dma = drive->using_dma;
/*
......
drivers/ide/ide-cd.h
View file @ 7116317d
......@@ -480,7 +480,6 @@ struct cdrom_info {
struct request request_sense_request;
int dma;
int cmd;
unsigned long last_block;
unsigned long start_seek;
/* Buffer to hold mechanism status and changer slot table. */
......
drivers/ide/ide-disk.c
View file @ 7116317d
......@@ -1034,12 +1034,12 @@ static int ide_disk_remove(struct device *dev)
struct ide_disk_obj *idkp = drive->driver_data;
struct gendisk *g = idkp->disk;
ide_cacheflush_p(drive);
ide_unregister_subdriver(drive, idkp->driver);
del_gendisk(g);
ide_cacheflush_p(drive);
ide_disk_put(idkp);
return 0;
......
drivers/ide/ide-dma.c
View file @ 7116317d
......@@ -90,11 +90,6 @@
#include <asm/io.h>
#include <asm/irq.h>
struct drive_list_entry {
const char *id_model;
const char *id_firmware;
};
static const struct drive_list_entry drive_whitelist [] = {
{ "Micropolis 2112A" , "ALL" },
......@@ -139,7 +134,7 @@ static const struct drive_list_entry drive_blacklist [] = {
};
/**
* in_drive_list - look for drive in black/white list
* ide_in_drive_list - look for drive in black/white list
* @id: drive identifier
* @drive_table: list to inspect
*
......@@ -147,7 +142,7 @@ static const struct drive_list_entry drive_blacklist [] = {
* Returns 1 if the drive is found in the table.
*/
static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
{
for ( ; drive_table->id_model ; drive_table++)
if ((!strcmp(drive_table->id_model, id->model)) &&
......@@ -157,6 +152,8 @@ static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *d
return 0;
}
EXPORT_SYMBOL_GPL(ide_in_drive_list);
/**
* ide_dma_intr - IDE DMA interrupt handler
* @drive: the drive the interrupt is for
......@@ -663,7 +660,7 @@ int __ide_dma_bad_drive (ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;
int blacklist = in_drive_list(id, drive_blacklist);
int blacklist = ide_in_drive_list(id, drive_blacklist);
if (blacklist) {
printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n",
drive->name, id->model);
......@@ -677,7 +674,7 @@ EXPORT_SYMBOL(__ide_dma_bad_drive);
int __ide_dma_good_drive (ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;
return in_drive_list(id, drive_whitelist);
return ide_in_drive_list(id, drive_whitelist);
}
EXPORT_SYMBOL(__ide_dma_good_drive);
......
drivers/ide/mips/Makefile
View file @ 7116317d
obj-$(CONFIG_BLK_DEV_IDE_SWARM) += swarm.o
obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o
EXTRA_CFLAGS := -Idrivers/ide
drivers/ide/mips/au1xxx-ide.c
View file @ 7116317d
......@@ -31,865 +31,638 @@
*/
#undef REALLY_SLOW_IO /* most systems can safely undef this */
#include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */
#include <linux/types.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/hdreg.h>
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/ide.h>
#include <linux/sysdev.h>
#include <linux/dma-mapping.h>
#include "ide-timing.h"
#include <asm/io.h>
#include <asm/mach-au1x00/au1xxx.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#if CONFIG_PM
#include <asm/mach-au1x00/au1xxx_pm.h>
#endif
#include <asm/mach-au1x00/au1xxx_ide.h>
#define DRV_NAME "au1200-ide"
#define DRV_VERSION "1.0"
#define DRV_AUTHOR "AMD PCS / Pete Popov <ppopov@embeddedalley.com>"
#define DRV_DESC "Au1200 IDE"
static _auide_hwif auide_hwif;
static spinlock_t ide_tune_drive_spin_lock = SPIN_LOCK_UNLOCKED;
static spinlock_t ide_tune_chipset_spin_lock = SPIN_LOCK_UNLOCKED;
static int dbdma_init_done = 0;
/*
* local I/O functions
*/
u8 auide_inb(unsigned long port)
{
return (au_readb(port));
}
#define DRV_AUTHOR "Enrico Walther <enrico.walther@amd.com> / Pete Popov <ppopov@embeddedalley.com>"
u16 auide_inw(unsigned long port)
{
return (au_readw(port));
}
/* enable the burstmode in the dbdma */
#define IDE_AU1XXX_BURSTMODE 1
u32 auide_inl(unsigned long port)
{
return (au_readl(port));
}
static _auide_hwif auide_hwif;
static int dbdma_init_done;
void auide_insw(unsigned long port, void *addr, u32 count)
{
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
_auide_hwif *ahwif = &auide_hwif;
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1,
DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
return;
}
ctp = *((chan_tab_t **)ahwif->rx_chan);
dp = ctp->cur_ptr;
while (dp->dscr_cmd0 & DSCR_CMD0_V)
;
ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
#else
while (count--)
{
*(u16 *)addr = au_readw(port);
addr +=2 ;
}
#endif
}
void auide_insl(unsigned long port, void *addr, u32 count)
{
while (count--)
{
*(u32 *)addr = au_readl(port);
/* NOTE: For IDE interfaces over PCMCIA,
* 32-bit access does not work
*/
addr += 4;
}
}
void auide_outb(u8 addr, unsigned long port)
void auide_insw(unsigned long port, void *addr, u32 count)
{
return (au_writeb(addr, port));
}
_auide_hwif *ahwif = &auide_hwif;
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port)
{
return (au_writeb(addr, port));
if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1,
DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
return;
}
ctp = *((chan_tab_t **)ahwif->rx_chan);
dp = ctp->cur_ptr;
while (dp->dscr_cmd0 & DSCR_CMD0_V)
;
ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
}
void auide_outw(u16 addr, unsigned long port)
void auide_outsw(unsigned long port, void *addr, u32 count)
{
return (au_writew(addr, port));
}
_auide_hwif *ahwif = &auide_hwif;
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
void auide_outl(u32 addr, unsigned long port)
{
return (au_writel(addr, port));
if(!put_source_flags(ahwif->tx_chan, (void*)addr,
count << 1, DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
return;
}
ctp = *((chan_tab_t **)ahwif->tx_chan);
dp = ctp->cur_ptr;
while (dp->dscr_cmd0 & DSCR_CMD0_V)
;
ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
}
void auide_outsw(unsigned long port, void *addr, u32 count)
{
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
_auide_hwif *ahwif = &auide_hwif;
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
if(!put_source_flags(ahwif->tx_chan, (void*)addr,
count << 1, DDMA_FLAGS_NOIE)) {
printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
return;
}
ctp = *((chan_tab_t **)ahwif->tx_chan);
dp = ctp->cur_ptr;
while (dp->dscr_cmd0 & DSCR_CMD0_V)
;
ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
#else
while (count--)
{
au_writew(*(u16 *)addr, port);
addr += 2;
}
#endif
}
void auide_outsl(unsigned long port, void *addr, u32 count)
{
while (count--)
{
au_writel(*(u32 *)addr, port);
/* NOTE: For IDE interfaces over PCMCIA,
* 32-bit access does not work
*/
addr += 4;
}
}
static void auide_tune_drive(ide_drive_t *drive, byte pio)
{
int mem_sttime;
int mem_stcfg;
unsigned long flags;
u8 speed;
/* get the best pio mode for the drive */
pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
printk("%s: setting Au1XXX IDE to PIO mode%d\n",
drive->name, pio);
spin_lock_irqsave(&ide_tune_drive_spin_lock, flags);
mem_sttime = 0;
mem_stcfg = au_readl(MEM_STCFG2);
/* set pio mode! */
switch(pio) {
case 0:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_PIO0_TWCS
| SBC_IDE_PIO0_TCSH
| SBC_IDE_PIO0_TCSOFF
| SBC_IDE_PIO0_TWP
| SBC_IDE_PIO0_TCSW
| SBC_IDE_PIO0_TPM
| SBC_IDE_PIO0_TA;
/* set configuration for RCS2# */
mem_stcfg |= TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS;
au_writel(mem_sttime,MEM_STTIME2);
au_writel(mem_stcfg,MEM_STCFG2);
break;
case 1:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_PIO1_TWCS
| SBC_IDE_PIO1_TCSH
| SBC_IDE_PIO1_TCSOFF
| SBC_IDE_PIO1_TWP
| SBC_IDE_PIO1_TCSW
| SBC_IDE_PIO1_TPM
| SBC_IDE_PIO1_TA;
/* set configuration for RCS2# */
mem_stcfg |= TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS;
break;
case 2:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_PIO2_TWCS
| SBC_IDE_PIO2_TCSH
| SBC_IDE_PIO2_TCSOFF
| SBC_IDE_PIO2_TWP
| SBC_IDE_PIO2_TCSW
| SBC_IDE_PIO2_TPM
| SBC_IDE_PIO2_TA;
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS;
break;
case 3:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_PIO3_TWCS
| SBC_IDE_PIO3_TCSH
| SBC_IDE_PIO3_TCSOFF
| SBC_IDE_PIO3_TWP
| SBC_IDE_PIO3_TCSW
| SBC_IDE_PIO3_TPM
| SBC_IDE_PIO3_TA;
/* set configuration for RCS2# */
mem_stcfg |= TS_MASK;
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
break;
case 4:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_PIO4_TWCS
| SBC_IDE_PIO4_TCSH
| SBC_IDE_PIO4_TCSOFF
| SBC_IDE_PIO4_TWP
| SBC_IDE_PIO4_TCSW
| SBC_IDE_PIO4_TPM
| SBC_IDE_PIO4_TA;
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
break;
}
au_writel(mem_sttime,MEM_STTIME2);
au_writel(mem_stcfg,MEM_STCFG2);
spin_unlock_irqrestore(&ide_tune_drive_spin_lock, flags);
speed = pio + XFER_PIO_0;
ide_config_drive_speed(drive, speed);
int mem_sttime;
int mem_stcfg;
u8 speed;
/* get the best pio mode for the drive */
pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
printk(KERN_INFO "%s: setting Au1XXX IDE to PIO mode%d\n",
drive->name, pio);
mem_sttime = 0;
mem_stcfg = au_readl(MEM_STCFG2);
/* set pio mode! */
switch(pio) {
case 0:
mem_sttime = SBC_IDE_TIMING(PIO0);
/* set configuration for RCS2# */
mem_stcfg |= TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS;
break;
case 1:
mem_sttime = SBC_IDE_TIMING(PIO1);
/* set configuration for RCS2# */
mem_stcfg |= TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS;
break;
case 2:
mem_sttime = SBC_IDE_TIMING(PIO2);
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS;
break;
case 3:
mem_sttime = SBC_IDE_TIMING(PIO3);
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
break;
case 4:
mem_sttime = SBC_IDE_TIMING(PIO4);
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
break;
}
au_writel(mem_sttime,MEM_STTIME2);
au_writel(mem_stcfg,MEM_STCFG2);
speed = pio + XFER_PIO_0;
ide_config_drive_speed(drive, speed);
}
static int auide_tune_chipset (ide_drive_t *drive, u8 speed)
{
u8 mode = 0;
int mem_sttime;
int mem_stcfg;
unsigned long flags;
int mem_sttime;
int mem_stcfg;
unsigned long mode;
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
struct hd_driveid *id = drive->id;
/*
* Now see what the current drive is capable of,
* selecting UDMA only if the mate said it was ok.
*/
if (id && (id->capability & 1) && drive->autodma &&
!__ide_dma_bad_drive(drive)) {
if (!mode && (id->field_valid & 2) && (id->dma_mword & 7)) {
if (id->dma_mword & 4)
mode = XFER_MW_DMA_2;
else if (id->dma_mword & 2)
mode = XFER_MW_DMA_1;
else if (id->dma_mword & 1)
mode = XFER_MW_DMA_0;
}
}
if (ide_use_dma(drive))
mode = ide_dma_speed(drive, 0);
#endif
spin_lock_irqsave(&ide_tune_chipset_spin_lock, flags);
mem_sttime = 0;
mem_stcfg = au_readl(MEM_STCFG2);
mem_sttime = 0;
mem_stcfg = au_readl(MEM_STCFG2);
switch(speed) {
case XFER_PIO_4:
case XFER_PIO_3:
case XFER_PIO_2:
case XFER_PIO_1:
case XFER_PIO_0:
auide_tune_drive(drive, (speed - XFER_PIO_0));
break;
if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
auide_tune_drive(drive, speed - XFER_PIO_0);
return 0;
}
switch(speed) {
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
case XFER_MW_DMA_2:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_MDMA2_TWCS
| SBC_IDE_MDMA2_TCSH
| SBC_IDE_MDMA2_TCSOFF
| SBC_IDE_MDMA2_TWP
| SBC_IDE_MDMA2_TCSW
| SBC_IDE_MDMA2_TPM
| SBC_IDE_MDMA2_TA;
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
mode = XFER_MW_DMA_2;
break;
case XFER_MW_DMA_1:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_MDMA1_TWCS
| SBC_IDE_MDMA1_TCSH
| SBC_IDE_MDMA1_TCSOFF
| SBC_IDE_MDMA1_TWP
| SBC_IDE_MDMA1_TCSW
| SBC_IDE_MDMA1_TPM
| SBC_IDE_MDMA1_TA;
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
mode = XFER_MW_DMA_1;
break;
case XFER_MW_DMA_0:
/* set timing parameters for RCS2# */
mem_sttime = SBC_IDE_MDMA0_TWCS
| SBC_IDE_MDMA0_TCSH
| SBC_IDE_MDMA0_TCSOFF
| SBC_IDE_MDMA0_TWP
| SBC_IDE_MDMA0_TCSW
| SBC_IDE_MDMA0_TPM
| SBC_IDE_MDMA0_TA;
/* set configuration for RCS2# */
mem_stcfg |= TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
mode = XFER_MW_DMA_0;
break;
case XFER_MW_DMA_2:
mem_sttime = SBC_IDE_TIMING(MDMA2);
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
mode = XFER_MW_DMA_2;
break;
case XFER_MW_DMA_1:
mem_sttime = SBC_IDE_TIMING(MDMA1);
/* set configuration for RCS2# */
mem_stcfg &= ~TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
mode = XFER_MW_DMA_1;
break;
case XFER_MW_DMA_0:
mem_sttime = SBC_IDE_TIMING(MDMA0);
/* set configuration for RCS2# */
mem_stcfg |= TS_MASK;
mem_stcfg &= ~TCSOE_MASK;
mem_stcfg &= ~TOECS_MASK;
mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
mode = XFER_MW_DMA_0;
break;
#endif
default:
return 1;
}
/*
* Tell the drive to switch to the new mode; abort on failure.
*/
if (!mode || ide_config_drive_speed(drive, mode))
{
return 1; /* failure */
}
au_writel(mem_sttime,MEM_STTIME2);
au_writel(mem_stcfg,MEM_STCFG2);
default:
return 1;
}
if (ide_config_drive_speed(drive, mode))
return 1;
spin_unlock_irqrestore(&ide_tune_chipset_spin_lock, flags);
au_writel(mem_sttime,MEM_STTIME2);
au_writel(mem_stcfg,MEM_STCFG2);
return 0;
return 0;
}
/*
* Multi-Word DMA + DbDMA functions
*/
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
static int in_drive_list(struct hd_driveid *id,
const struct drive_list_entry *drive_table)
{
for ( ; drive_table->id_model ; drive_table++){
if ((!strcmp(drive_table->id_model, id->model)) &&
((strstr(drive_table->id_firmware, id->fw_rev)) ||
(!strcmp(drive_table->id_firmware, "ALL")))
)
return 1;
}
return 0;
}
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
static int auide_build_sglist(ide_drive_t *drive, struct request *rq)
{
ide_hwif_t *hwif = drive->hwif;
_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
struct scatterlist *sg = hwif->sg_table;
ide_hwif_t *hwif = drive->hwif;
_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
struct scatterlist *sg = hwif->sg_table;
ide_map_sg(drive, rq);
ide_map_sg(drive, rq);
if (rq_data_dir(rq) == READ)
hwif->sg_dma_direction = DMA_FROM_DEVICE;
else
hwif->sg_dma_direction = DMA_TO_DEVICE;
if (rq_data_dir(rq) == READ)
hwif->sg_dma_direction = DMA_FROM_DEVICE;
else
hwif->sg_dma_direction = DMA_TO_DEVICE;
return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
hwif->sg_dma_direction);
return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
hwif->sg_dma_direction);
}
static int auide_build_dmatable(ide_drive_t *drive)
{
int i, iswrite, count = 0;
ide_hwif_t *hwif = HWIF(drive);
struct request *rq = HWGROUP(drive)->rq;
_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
struct scatterlist *sg;
iswrite = (rq_data_dir(rq) == WRITE);
/* Save for interrupt context */
ahwif->drive = drive;
/* Build sglist */
hwif->sg_nents = i = auide_build_sglist(drive, rq);
if (!i)
return 0;
/* fill the descriptors */
sg = hwif->sg_table;
while (i && sg_dma_len(sg)) {
u32 cur_addr;
u32 cur_len;
cur_addr = sg_dma_address(sg);
cur_len = sg_dma_len(sg);
while (cur_len) {
u32 flags = DDMA_FLAGS_NOIE;
unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00;
if (++count >= PRD_ENTRIES) {
printk(KERN_WARNING "%s: DMA table too small\n",
drive->name);
goto use_pio_instead;
}
/* Lets enable intr for the last descriptor only */
if (1==i)
flags = DDMA_FLAGS_IE;
else
flags = DDMA_FLAGS_NOIE;
if (iswrite) {
if(!put_source_flags(ahwif->tx_chan,
(void*)(page_address(sg->page)
+ sg->offset),
tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__FUNCTION__, __LINE__);
int i, iswrite, count = 0;
ide_hwif_t *hwif = HWIF(drive);
struct request *rq = HWGROUP(drive)->rq;
_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
struct scatterlist *sg;
iswrite = (rq_data_dir(rq) == WRITE);
/* Save for interrupt context */
ahwif->drive = drive;
/* Build sglist */
hwif->sg_nents = i = auide_build_sglist(drive, rq);
if (!i)
return 0;
/* fill the descriptors */
sg = hwif->sg_table;
while (i && sg_dma_len(sg)) {
u32 cur_addr;
u32 cur_len;
cur_addr = sg_dma_address(sg);
cur_len = sg_dma_len(sg);
while (cur_len) {
u32 flags = DDMA_FLAGS_NOIE;
unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00;
if (++count >= PRD_ENTRIES) {
printk(KERN_WARNING "%s: DMA table too small\n",
drive->name);
goto use_pio_instead;
}
/* Lets enable intr for the last descriptor only */
if (1==i)
flags = DDMA_FLAGS_IE;
else
flags = DDMA_FLAGS_NOIE;
if (iswrite) {
if(!put_source_flags(ahwif->tx_chan,
(void*)(page_address(sg->page)
+ sg->offset),
tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__FUNCTION__, __LINE__);
}
} else
} else
{
if(!put_dest_flags(ahwif->rx_chan,
(void*)(page_address(sg->page)
+ sg->offset),
tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__FUNCTION__, __LINE__);
if(!put_dest_flags(ahwif->rx_chan,
(void*)(page_address(sg->page)
+ sg->offset),
tc, flags)) {
printk(KERN_ERR "%s failed %d\n",
__FUNCTION__, __LINE__);
}
}
}
cur_addr += tc;
cur_len -= tc;
}
sg++;
i--;
}
cur_addr += tc;
cur_len -= tc;
}
sg++;
i--;
}
if (count)
return 1;
if (count)
return 1;
use_pio_instead:
dma_unmap_sg(ahwif->dev,
hwif->sg_table,
hwif->sg_nents,
hwif->sg_dma_direction);
use_pio_instead:
dma_unmap_sg(ahwif->dev,
hwif->sg_table,
hwif->sg_nents,
hwif->sg_dma_direction);
return 0; /* revert to PIO for this request */
return 0; /* revert to PIO for this request */
}
static int auide_dma_end(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
ide_hwif_t *hwif = HWIF(drive);
_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
if (hwif->sg_nents) {
dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
hwif->sg_dma_direction);
hwif->sg_nents = 0;
}
if (hwif->sg_nents) {
dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
hwif->sg_dma_direction);
hwif->sg_nents = 0;
}
return 0;
return 0;
}
static void auide_dma_start(ide_drive_t *drive )
{
// printk("%s\n", __FUNCTION__);
}
ide_startstop_t auide_dma_intr(ide_drive_t *drive)
{
//printk("%s\n", __FUNCTION__);
u8 stat = 0, dma_stat = 0;
dma_stat = HWIF(drive)->ide_dma_end(drive);
stat = HWIF(drive)->INB(IDE_STATUS_REG); /* get drive status */
if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) {
if (!dma_stat) {
struct request *rq = HWGROUP(drive)->rq;
ide_end_request(drive, 1, rq->nr_sectors);
return ide_stopped;
}
printk(KERN_ERR "%s: dma_intr: bad DMA status (dma_stat=%x)\n",
drive->name, dma_stat);
}
return ide_error(drive, "dma_intr", stat);
}
static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command)
{
//printk("%s\n", __FUNCTION__);
/* issue cmd to drive */
ide_execute_command(drive, command, &auide_dma_intr,
(2*WAIT_CMD), NULL);
/* issue cmd to drive */
ide_execute_command(drive, command, &ide_dma_intr,
(2*WAIT_CMD), NULL);
}
static int auide_dma_setup(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
if (drive->media != ide_disk)
return 1;
if (!auide_build_dmatable(drive))
/* try PIO instead of DMA */
return 1;
{
struct request *rq = HWGROUP(drive)->rq;
drive->waiting_for_dma = 1;
if (!auide_build_dmatable(drive)) {
ide_map_sg(drive, rq);
return 1;
}
return 0;
drive->waiting_for_dma = 1;
return 0;
}
static int auide_dma_check(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
u8 speed;
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
if( !dbdma_init_done ){
auide_hwif.white_list = in_drive_list(drive->id,
dma_white_list);
auide_hwif.black_list = in_drive_list(drive->id,
dma_black_list);
auide_hwif.drive = drive;
auide_ddma_init(&auide_hwif);
dbdma_init_done = 1;
}
if( dbdma_init_done == 0 ){
auide_hwif.white_list = ide_in_drive_list(drive->id,
dma_white_list);
auide_hwif.black_list = ide_in_drive_list(drive->id,
dma_black_list);
auide_hwif.drive = drive;
auide_ddma_init(&auide_hwif);
dbdma_init_done = 1;
}
#endif
/* Is the drive in our DMA black list? */
if ( auide_hwif.black_list ) {
drive->using_dma = 0;
printk("%s found in dma_blacklist[]! Disabling DMA.\n",
drive->id->model);
}
else
drive->using_dma = 1;
/* Is the drive in our DMA black list? */
if ( auide_hwif.black_list ) {
drive->using_dma = 0;
/* Borrowed the warning message from ide-dma.c */
return HWIF(drive)->ide_dma_host_on(drive);
printk(KERN_WARNING "%s: Disabling DMA for %s (blacklisted)\n",
drive->name, drive->id->model);
}
else
drive->using_dma = 1;
speed = ide_find_best_mode(drive, XFER_PIO | XFER_MWDMA);
if (drive->autodma && (speed & XFER_MODE) != XFER_PIO)
return HWIF(drive)->ide_dma_on(drive);
return HWIF(drive)->ide_dma_off_quietly(drive);
}
static int auide_dma_test_irq(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
if (!drive->waiting_for_dma)
printk(KERN_WARNING "%s: ide_dma_test_irq \
{
if (drive->waiting_for_dma == 0)
printk(KERN_WARNING "%s: ide_dma_test_irq \
called while not waiting\n", drive->name);
/* If dbdma didn't execute the STOP command yet, the
* active bit is still set
/* If dbdma didn't execute the STOP command yet, the
* active bit is still set
*/
drive->waiting_for_dma++;
if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
printk(KERN_WARNING "%s: timeout waiting for ddma to \
drive->waiting_for_dma++;
if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
printk(KERN_WARNING "%s: timeout waiting for ddma to \
complete\n", drive->name);
return 1;
}
udelay(10);
return 0;
return 1;
}
udelay(10);
return 0;
}
static int auide_dma_host_on(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
return 0;
return 0;
}
static int auide_dma_on(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
drive->using_dma = 1;
return auide_dma_host_on(drive);
drive->using_dma = 1;
return auide_dma_host_on(drive);
}
static int auide_dma_host_off(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
return 0;
return 0;
}
static int auide_dma_off_quietly(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
drive->using_dma = 0;
return auide_dma_host_off(drive);
drive->using_dma = 0;
return auide_dma_host_off(drive);
}
static int auide_dma_lostirq(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
printk(KERN_ERR "%s: IRQ lost\n", drive->name);
return 0;
printk(KERN_ERR "%s: IRQ lost\n", drive->name);
return 0;
}
static void auide_ddma_tx_callback(int irq, void *param, struct pt_regs *regs)
{
// printk("%s\n", __FUNCTION__);
_auide_hwif *ahwif = (_auide_hwif*)param;
ahwif->drive->waiting_for_dma = 0;
return;
_auide_hwif *ahwif = (_auide_hwif*)param;
ahwif->drive->waiting_for_dma = 0;
}
static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs)
{
// printk("%s\n", __FUNCTION__);
_auide_hwif *ahwif = (_auide_hwif*)param;
ahwif->drive->waiting_for_dma = 0;
}
#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
_auide_hwif *ahwif = (_auide_hwif*)param;
ahwif->drive->waiting_for_dma = 0;
return;
static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags)
{
dev->dev_id = dev_id;
dev->dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
dev->dev_intlevel = 0;
dev->dev_intpolarity = 0;
dev->dev_tsize = tsize;
dev->dev_devwidth = devwidth;
dev->dev_flags = flags;
}
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
static int auide_dma_timeout(ide_drive_t *drive)
{
// printk("%s\n", __FUNCTION__);
printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
if (HWIF(drive)->ide_dma_test_irq(drive))
return 0;
if (HWIF(drive)->ide_dma_test_irq(drive))
return 0;
return HWIF(drive)->ide_dma_end(drive);
return HWIF(drive)->ide_dma_end(drive);
}
#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
static int auide_ddma_init(_auide_hwif *auide) {
dbdev_tab_t source_dev_tab, target_dev_tab;
u32 dev_id, tsize, devwidth, flags;
ide_hwif_t *hwif = auide->hwif;
static int auide_ddma_init( _auide_hwif *auide )
{
// printk("%s\n", __FUNCTION__);
dev_id = AU1XXX_ATA_DDMA_REQ;
dbdev_tab_t source_dev_tab;
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
dbdev_tab_t target_dev_tab;
ide_hwif_t *hwif = auide->hwif;
char warning_output [2][80];
int i;
#endif
if (auide->white_list || auide->black_list) {
tsize = 8;
devwidth = 32;
}
else {
tsize = 1;
devwidth = 16;
printk(KERN_ERR "au1xxx-ide: %s is not on ide driver whitelist.\n",auide_hwif.drive->id->model);
printk(KERN_ERR " please read 'Documentation/mips/AU1xxx_IDE.README'");
}
/* Add our custom device to DDMA device table */
/* Create our new device entries in the table */
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
source_dev_tab.dev_id = AU1XXX_ATA_DDMA_REQ;
if( auide->white_list || auide->black_list ){
source_dev_tab.dev_tsize = 8;
source_dev_tab.dev_devwidth = 32;
source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
source_dev_tab.dev_intlevel = 0;
source_dev_tab.dev_intpolarity = 0;
/* init device table for target - static bus controller - */
target_dev_tab.dev_id = DSCR_CMD0_ALWAYS;
target_dev_tab.dev_tsize = 8;
target_dev_tab.dev_devwidth = 32;
target_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
target_dev_tab.dev_intlevel = 0;
target_dev_tab.dev_intpolarity = 0;
target_dev_tab.dev_flags = DEV_FLAGS_ANYUSE;
}
else{
source_dev_tab.dev_tsize = 1;
source_dev_tab.dev_devwidth = 16;
source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
source_dev_tab.dev_intlevel = 0;
source_dev_tab.dev_intpolarity = 0;
/* init device table for target - static bus controller - */
target_dev_tab.dev_id = DSCR_CMD0_ALWAYS;
target_dev_tab.dev_tsize = 1;
target_dev_tab.dev_devwidth = 16;
target_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
target_dev_tab.dev_intlevel = 0;
target_dev_tab.dev_intpolarity = 0;
target_dev_tab.dev_flags = DEV_FLAGS_ANYUSE;
sprintf(&warning_output[0][0],
"%s is not on ide driver white list.",
auide_hwif.drive->id->model);
for ( i=strlen(&warning_output[0][0]) ; i<76; i++ ){
sprintf(&warning_output[0][i]," ");
}
sprintf(&warning_output[1][0],
"To add %s please read 'Documentation/mips/AU1xxx_IDE.README'.",
auide_hwif.drive->id->model);
for ( i=strlen(&warning_output[1][0]) ; i<76; i++ ){
sprintf(&warning_output[1][i]," ");
}
printk("\n****************************************");
printk("****************************************\n");
printk("* %s *\n",&warning_output[0][0]);
printk("* Switch to safe MWDMA Mode! ");
printk(" *\n");
printk("* %s *\n",&warning_output[1][0]);
printk("****************************************");
printk("****************************************\n\n");
}
#ifdef IDE_AU1XXX_BURSTMODE
flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
#else
source_dev_tab.dev_id = DSCR_CMD0_ALWAYS;
source_dev_tab.dev_tsize = 8;
source_dev_tab.dev_devwidth = 32;
source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
source_dev_tab.dev_intlevel = 0;
source_dev_tab.dev_intpolarity = 0;
flags = DEV_FLAGS_SYNC;
#endif
#if CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
/* set flags for tx channel */
source_dev_tab.dev_flags = DEV_FLAGS_OUT
| DEV_FLAGS_SYNC
| DEV_FLAGS_BURSTABLE;
auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
/* set flags for rx channel */
source_dev_tab.dev_flags = DEV_FLAGS_IN
| DEV_FLAGS_SYNC
| DEV_FLAGS_BURSTABLE;
auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
/* setup dev_tab for tx channel */
auide_init_dbdma_dev( &source_dev_tab,
dev_id,
tsize, devwidth, DEV_FLAGS_OUT | flags);
auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
auide_init_dbdma_dev( &source_dev_tab,
dev_id,
tsize, devwidth, DEV_FLAGS_IN | flags);
auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
/* We also need to add a target device for the DMA */
auide_init_dbdma_dev( &target_dev_tab,
(u32)DSCR_CMD0_ALWAYS,
tsize, devwidth, DEV_FLAGS_ANYUSE);
auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab);
/* Get a channel for TX */
auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
auide->tx_dev_id,
auide_ddma_tx_callback,
(void*)auide);
/* Get a channel for RX */
auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
auide->target_dev_id,
auide_ddma_rx_callback,
(void*)auide);
auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
NUM_DESCRIPTORS);
auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
NUM_DESCRIPTORS);
hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
PRD_ENTRIES * PRD_BYTES, /* 1 Page */
&hwif->dmatable_dma, GFP_KERNEL);
au1xxx_dbdma_start( auide->tx_chan );
au1xxx_dbdma_start( auide->rx_chan );
return 0;
}
#else
/* set flags for tx channel */
source_dev_tab.dev_flags = DEV_FLAGS_OUT | DEV_FLAGS_SYNC;
auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
/* set flags for rx channel */
source_dev_tab.dev_flags = DEV_FLAGS_IN | DEV_FLAGS_SYNC;
auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
#endif
static int auide_ddma_init( _auide_hwif *auide )
{
dbdev_tab_t source_dev_tab;
int flags;
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab);
/* Get a channel for TX */
auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
auide->tx_dev_id,
auide_ddma_tx_callback,
(void*)auide);
/* Get a channel for RX */
auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
auide->target_dev_id,
auide_ddma_rx_callback,
(void*)auide);
#else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
/*
* Note: if call back is not enabled, update ctp->cur_ptr manually
*/
auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
auide->tx_dev_id,
NULL,
(void*)auide);
auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
DSCR_CMD0_ALWAYS,
NULL,
(void*)auide);
#ifdef IDE_AU1XXX_BURSTMODE
flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
#else
flags = DEV_FLAGS_SYNC;
#endif
auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
NUM_DESCRIPTORS);
auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
NUM_DESCRIPTORS);
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
PRD_ENTRIES * PRD_BYTES, /* 1 Page */
&hwif->dmatable_dma, GFP_KERNEL);
auide->sg_table = kmalloc(sizeof(struct scatterlist) * PRD_ENTRIES,
GFP_KERNEL|GFP_DMA);
if (auide->sg_table == NULL) {
return -ENOMEM;
}
#endif
au1xxx_dbdma_start( auide->tx_chan );
au1xxx_dbdma_start( auide->rx_chan );
return 0;
/* setup dev_tab for tx channel */
auide_init_dbdma_dev( &source_dev_tab,
(u32)DSCR_CMD0_ALWAYS,
8, 32, DEV_FLAGS_OUT | flags);
auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
auide_init_dbdma_dev( &source_dev_tab,
(u32)DSCR_CMD0_ALWAYS,
8, 32, DEV_FLAGS_IN | flags);
auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
/* Get a channel for TX */
auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
auide->tx_dev_id,
NULL,
(void*)auide);
/* Get a channel for RX */
auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
DSCR_CMD0_ALWAYS,
NULL,
(void*)auide);
auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
NUM_DESCRIPTORS);
auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
NUM_DESCRIPTORS);
au1xxx_dbdma_start( auide->tx_chan );
au1xxx_dbdma_start( auide->rx_chan );
return 0;
}
#endif
static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif)
{
int i;
#define ide_ioreg_t unsigned long
ide_ioreg_t *ata_regs = hw->io_ports;
/* fixme */
for (i = 0; i < IDE_CONTROL_OFFSET; i++) {
*ata_regs++ = (ide_ioreg_t) ahwif->regbase
+ (ide_ioreg_t)(i << AU1XXX_ATA_REG_OFFSET);
}
/* set the Alternative Status register */
*ata_regs = (ide_ioreg_t) ahwif->regbase
+ (ide_ioreg_t)(14 << AU1XXX_ATA_REG_OFFSET);
int i;
unsigned long *ata_regs = hw->io_ports;
/* FIXME? */
for (i = 0; i < IDE_CONTROL_OFFSET; i++) {
*ata_regs++ = ahwif->regbase + (i << AU1XXX_ATA_REG_OFFSET);
}
/* set the Alternative Status register */
*ata_regs = ahwif->regbase + (14 << AU1XXX_ATA_REG_OFFSET);
}
static int au_ide_probe(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
_auide_hwif *ahwif = &auide_hwif;
ide_hwif_t *hwif;
_auide_hwif *ahwif = &auide_hwif;
ide_hwif_t *hwif;
struct resource *res;
int ret = 0;
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
char *mode = "MWDMA2";
char *mode = "MWDMA2";
#elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
char *mode = "PIO+DDMA(offload)";
char *mode = "PIO+DDMA(offload)";
#endif
memset(&auide_hwif, 0, sizeof(_auide_hwif));
auide_hwif.dev = 0;
memset(&auide_hwif, 0, sizeof(_auide_hwif));
auide_hwif.dev = 0;
ahwif->dev = dev;
ahwif->irq = platform_get_irq(pdev, 0);
......@@ -902,11 +675,11 @@ static int au_ide_probe(struct device *dev)
goto out;
}
if (!request_mem_region (res->start, res->end-res->start, pdev->name)) {
if (!request_mem_region (res->start, res->end-res->start, pdev->name)) {
pr_debug("%s: request_mem_region failed\n", DRV_NAME);
ret = -EBUSY;
ret = -EBUSY;
goto out;
}
}
ahwif->regbase = (u32)ioremap(res->start, res->end-res->start);
if (ahwif->regbase == 0) {
......@@ -914,130 +687,92 @@ static int au_ide_probe(struct device *dev)
goto out;
}
hwif = &ide_hwifs[pdev->id];
/* FIXME: This might possibly break PCMCIA IDE devices */
hwif = &ide_hwifs[pdev->id];
hw_regs_t *hw = &hwif->hw;
hwif->irq = hw->irq = ahwif->irq;
hwif->chipset = ide_au1xxx;
hwif->irq = hw->irq = ahwif->irq;
hwif->chipset = ide_au1xxx;
auide_setup_ports(hw, ahwif);
auide_setup_ports(hw, ahwif);
memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
hwif->rqsize = CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ;
hwif->rqsize = ((hwif->rqsize > AU1XXX_ATA_RQSIZE)
|| (hwif->rqsize < 32)) ? AU1XXX_ATA_RQSIZE : hwif->rqsize;
#else /* if kernel config is not set */
hwif->rqsize = AU1XXX_ATA_RQSIZE;
#endif
hwif->ultra_mask = 0x0; /* Disable Ultra DMA */
hwif->ultra_mask = 0x0; /* Disable Ultra DMA */
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */
hwif->swdma_mask = 0x07;
hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */
hwif->swdma_mask = 0x00;
#else
hwif->mwdma_mask = 0x0;
hwif->swdma_mask = 0x0;
hwif->mwdma_mask = 0x0;
hwif->swdma_mask = 0x0;
#endif
hwif->noprobe = 0;
hwif->drives[0].unmask = 1;
hwif->drives[1].unmask = 1;
/* hold should be on in all cases */
hwif->hold = 1;
hwif->mmio = 2;
/* If the user has selected DDMA assisted copies,
then set up a few local I/O function entry points
*/
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
hwif->INSW = auide_insw;
hwif->OUTSW = auide_outsw;
#endif
//hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
hwif->noprobe = 0;
hwif->drives[0].unmask = 1;
hwif->drives[1].unmask = 1;
/* hold should be on in all cases */
hwif->hold = 1;
hwif->mmio = 2;
/* set up local I/O function entry points */
hwif->INB = auide_inb;
hwif->INW = auide_inw;
hwif->INL = auide_inl;
hwif->INSW = auide_insw;
hwif->INSL = auide_insl;
hwif->OUTB = auide_outb;
hwif->OUTBSYNC = auide_outbsync;
hwif->OUTW = auide_outw;
hwif->OUTL = auide_outl;
hwif->OUTSW = auide_outsw;
hwif->OUTSL = auide_outsl;
hwif->tuneproc = &auide_tune_drive;
hwif->speedproc = &auide_tune_chipset;
hwif->tuneproc = &auide_tune_drive;
hwif->speedproc = &auide_tune_chipset;
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
hwif->ide_dma_off_quietly = &auide_dma_off_quietly;
hwif->ide_dma_timeout = &auide_dma_timeout;
hwif->ide_dma_check = &auide_dma_check;
hwif->dma_exec_cmd = &auide_dma_exec_cmd;
hwif->dma_start = &auide_dma_start;
hwif->ide_dma_end = &auide_dma_end;
hwif->dma_setup = &auide_dma_setup;
hwif->ide_dma_test_irq = &auide_dma_test_irq;
hwif->ide_dma_host_off = &auide_dma_host_off;
hwif->ide_dma_host_on = &auide_dma_host_on;
hwif->ide_dma_lostirq = &auide_dma_lostirq;
hwif->ide_dma_on = &auide_dma_on;
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;
hwif->drives[1].autodma = hwif->autodma;
hwif->atapi_dma = 1;
hwif->drives[0].using_dma = 1;
hwif->drives[1].using_dma = 1;
hwif->ide_dma_off_quietly = &auide_dma_off_quietly;
hwif->ide_dma_timeout = &auide_dma_timeout;
hwif->ide_dma_check = &auide_dma_check;
hwif->dma_exec_cmd = &auide_dma_exec_cmd;
hwif->dma_start = &auide_dma_start;
hwif->ide_dma_end = &auide_dma_end;
hwif->dma_setup = &auide_dma_setup;
hwif->ide_dma_test_irq = &auide_dma_test_irq;
hwif->ide_dma_host_off = &auide_dma_host_off;
hwif->ide_dma_host_on = &auide_dma_host_on;
hwif->ide_dma_lostirq = &auide_dma_lostirq;
hwif->ide_dma_on = &auide_dma_on;
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->autodma;
hwif->drives[1].autodma = hwif->autodma;
hwif->atapi_dma = 1;
#else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
hwif->autodma = 0;
hwif->channel = 0;
hwif->hold = 1;
hwif->select_data = 0; /* no chipset-specific code */
hwif->config_data = 0; /* no chipset-specific code */
hwif->drives[0].autodma = 0;
hwif->drives[0].drive_data = 0; /* no drive data */
hwif->drives[0].using_dma = 0;
hwif->drives[0].waiting_for_dma = 0;
hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */
/* secondary hdd not supported */
hwif->drives[1].autodma = 0;
hwif->drives[1].drive_data = 0;
hwif->drives[1].using_dma = 0;
hwif->drives[1].waiting_for_dma = 0;
hwif->drives[1].autotune = 2; /* 1=autotune, 2=noautotune, 0=default */
#endif
hwif->drives[0].io_32bit = 0; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
hwif->drives[1].io_32bit = 0; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
/*Register Driver with PM Framework*/
#ifdef CONFIG_PM
auide_hwif.pm.lock = SPIN_LOCK_UNLOCKED;
auide_hwif.pm.stopped = 0;
auide_hwif.pm.dev = new_au1xxx_power_device( "ide",
&au1200ide_pm_callback,
NULL);
if ( auide_hwif.pm.dev == NULL )
printk(KERN_INFO "Unable to create a power management \
device entry for the au1200-IDE.\n");
else
printk(KERN_INFO "Power management device entry for the \
au1200-IDE loaded.\n");
hwif->autodma = 0;
hwif->channel = 0;
hwif->hold = 1;
hwif->select_data = 0; /* no chipset-specific code */
hwif->config_data = 0; /* no chipset-specific code */
hwif->drives[0].autodma = 0;
hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */
#endif
hwif->drives[0].no_io_32bit = 1;
auide_hwif.hwif = hwif;
hwif->hwif_data = &auide_hwif;
auide_hwif.hwif = hwif;
hwif->hwif_data = &auide_hwif;
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
auide_ddma_init(&auide_hwif);
dbdma_init_done = 1;
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
auide_ddma_init(&auide_hwif);
dbdma_init_done = 1;
#endif
probe_hwif_init(hwif);
dev_set_drvdata(dev, hwif);
printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
out:
return ret;
out:
return ret;
}
static int au_ide_remove(struct device *dev)
......@@ -1045,7 +780,7 @@ static int au_ide_remove(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct resource *res;
ide_hwif_t *hwif = dev_get_drvdata(dev);
_auide_hwif *ahwif = &auide_hwif;
_auide_hwif *ahwif = &auide_hwif;
ide_unregister(hwif - ide_hwifs);
......@@ -1069,180 +804,11 @@ static int __init au_ide_init(void)
return driver_register(&au1200_ide_driver);
}
static void __init au_ide_exit(void)
static void __exit au_ide_exit(void)
{
driver_unregister(&au1200_ide_driver);
}
#ifdef CONFIG_PM
int au1200ide_pm_callback( au1xxx_power_dev_t *dev,\
au1xxx_request_t request, void *data) {
unsigned int d, err = 0;
unsigned long flags;
spin_lock_irqsave(auide_hwif.pm.lock, flags);
switch (request){
case AU1XXX_PM_SLEEP:
err = au1xxxide_pm_sleep(dev);
break;
case AU1XXX_PM_WAKEUP:
d = *((unsigned int*)data);
if ( d > 0 && d <= 99) {
err = au1xxxide_pm_standby(dev);
}
else {
err = au1xxxide_pm_resume(dev);
}
break;
case AU1XXX_PM_GETSTATUS:
err = au1xxxide_pm_getstatus(dev);
break;
case AU1XXX_PM_ACCESS:
err = au1xxxide_pm_access(dev);
break;
case AU1XXX_PM_IDLE:
err = au1xxxide_pm_idle(dev);
break;
case AU1XXX_PM_CLEANUP:
err = au1xxxide_pm_cleanup(dev);
break;
default:
err = -1;
break;
}
spin_unlock_irqrestore(auide_hwif.pm.lock, flags);
return err;
}
static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev ) {
return 0;
}
static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev ) {
int retval;
ide_hwif_t *hwif = auide_hwif.hwif;
struct request rq;
struct request_pm_state rqpm;
ide_task_t args;
if(auide_hwif.pm.stopped)
return -1;
/*
* wait until hard disc is ready
*/
if ( wait_for_ready(&hwif->drives[0], 35000) ) {
printk("Wait for drive sleep timeout!\n");
retval = -1;
}
/*
* sequenz to tell the high level ide driver that pm is resuming
*/
memset(&rq, 0, sizeof(rq));
memset(&rqpm, 0, sizeof(rqpm));
memset(&args, 0, sizeof(args));
rq.flags = REQ_PM_SUSPEND;
rq.special = &args;
rq.pm = &rqpm;
rqpm.pm_step = ide_pm_state_start_suspend;
rqpm.pm_state = PMSG_SUSPEND;
retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_wait);
if (wait_for_ready (&hwif->drives[0], 35000)) {
printk("Wait for drive sleep timeout!\n");
retval = -1;
}
/*
* stop dbdma channels
*/
au1xxx_dbdma_reset(auide_hwif.tx_chan);
au1xxx_dbdma_reset(auide_hwif.rx_chan);
auide_hwif.pm.stopped = 1;
return retval;
}
static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev ) {
int retval;
ide_hwif_t *hwif = auide_hwif.hwif;
struct request rq;
struct request_pm_state rqpm;
ide_task_t args;
if(!auide_hwif.pm.stopped)
return -1;
/*
* start dbdma channels
*/
au1xxx_dbdma_start(auide_hwif.tx_chan);
au1xxx_dbdma_start(auide_hwif.rx_chan);
/*
* wait until hard disc is ready
*/
if (wait_for_ready ( &hwif->drives[0], 35000)) {
printk("Wait for drive wake up timeout!\n");
retval = -1;
}
/*
* sequenz to tell the high level ide driver that pm is resuming
*/
memset(&rq, 0, sizeof(rq));
memset(&rqpm, 0, sizeof(rqpm));
memset(&args, 0, sizeof(args));
rq.flags = REQ_PM_RESUME;
rq.special = &args;
rq.pm = &rqpm;
rqpm.pm_step = ide_pm_state_start_resume;
rqpm.pm_state = PMSG_ON;
retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_head_wait);
/*
* wait for hard disc
*/
if ( wait_for_ready(&hwif->drives[0], 35000) ) {
printk("Wait for drive wake up timeout!\n");
retval = -1;
}
auide_hwif.pm.stopped = 0;
return retval;
}
static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev ) {
return dev->cur_state;
}
static int au1xxxide_pm_access( au1xxx_power_dev_t *dev ) {
if (dev->cur_state != AWAKE_STATE)
return 0;
else
return -1;
}
static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev ) {
return 0;
}
static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev ) {
return 0;
}
#endif /* CONFIG_PM */
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("AU1200 IDE driver");
......
drivers/ide/pci/sgiioc4.c
View file @ 7116317d
......@@ -622,12 +622,18 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
ide_hwif_t *hwif;
int h;
/*
* Find an empty HWIF; if none available, return -ENOMEM.
*/
for (h = 0; h < MAX_HWIFS; ++h) {
hwif = &ide_hwifs[h];
/* Find an empty HWIF */
if (hwif->chipset == ide_unknown)
break;
}
if (h == MAX_HWIFS) {
printk(KERN_ERR "%s: too many IDE interfaces, no room in table\n", d->name);
return -ENOMEM;
}
/* Get the CmdBlk and CtrlBlk Base Registers */
base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;
......
drivers/ide/pci/via82cxxx.c
View file @ 7116317d
......@@ -80,6 +80,7 @@ static struct via_isa_bridge {
u16 flags;
} via_isa_bridges[] = {
{ "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
......
include/asm-mips/mach-au1x00/au1xxx_ide.h
View file @ 7116317d
......@@ -74,9 +74,6 @@ typedef struct
u8 white_list, black_list;
struct dbdma_cmd *dma_table_cpu;
dma_addr_t dma_table_dma;
struct scatterlist *sg_table;
int sg_nents;
int sg_dma_direction;
#endif
struct device *dev;
int irq;
......@@ -87,11 +84,6 @@ typedef struct
} _auide_hwif;
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
struct drive_list_entry {
const char * id_model;
const char * id_firmware;
};
/* HD white list */
static const struct drive_list_entry dma_white_list [] = {
/*
......@@ -167,13 +159,9 @@ int __init auide_probe(void);
* Multi-Word DMA + DbDMA functions
*/
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
static int in_drive_list(struct hd_driveid *id,
const struct drive_list_entry *drive_table);
static int auide_build_sglist(ide_drive_t *drive, struct request *rq);
static int auide_build_dmatable(ide_drive_t *drive);
static int auide_dma_end(ide_drive_t *drive);
static void auide_dma_start(ide_drive_t *drive );
ide_startstop_t auide_dma_intr (ide_drive_t *drive);
static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command);
static int auide_dma_setup(ide_drive_t *drive);
......@@ -188,8 +176,6 @@ int __init auide_probe(void);
static void auide_ddma_rx_callback(int irq, void *param,
struct pt_regs *regs);
static int auide_dma_off_quietly(ide_drive_t *drive);
static int auide_dma_timeout(ide_drive_t *drive);
#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
/*******************************************************************************
......@@ -299,3 +285,11 @@ int __init auide_probe(void);
#define SBC_IDE_MDMA2_TPM (0x00<<6)
#define SBC_IDE_MDMA2_TA (0x12<<0)
#define SBC_IDE_TIMING(mode) \
SBC_IDE_##mode##_TWCS | \
SBC_IDE_##mode##_TCSH | \
SBC_IDE_##mode##_TCSOFF | \
SBC_IDE_##mode##_TWP | \
SBC_IDE_##mode##_TCSW | \
SBC_IDE_##mode##_TPM | \
SBC_IDE_##mode##_TA
include/linux/ide.h
View file @ 7116317d
......@@ -23,17 +23,6 @@
#include <asm/io.h>
#include <asm/semaphore.h>
/*
* This is the multiple IDE interface driver, as evolved from hd.c.
* It supports up to four IDE interfaces, on one or more IRQs (usually 14 & 15).
* There can be up to two drives per interface, as per the ATA-2 spec.
*
* Primary i/f: ide0: major=3; (hda) minor=0; (hdb) minor=64
* Secondary i/f: ide1: major=22; (hdc or hd1a) minor=0; (hdd or hd1b) minor=64
* Tertiary i/f: ide2: major=33; (hde) minor=0; (hdf) minor=64
* Quaternary i/f: ide3: major=34; (hdg) minor=0; (hdh) minor=64
*/
/******************************************************************************
* IDE driver configuration options (play with these as desired):
*
......@@ -193,11 +182,6 @@ typedef unsigned char byte; /* used everywhere */
#define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */
#define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */
#define HOST(hwif,chipset) \
{ \
return ((hwif)->chipset == chipset) ? 1 : 0; \
}
/*
* Check for an interrupt and acknowledge the interrupt status
*/
......@@ -390,45 +374,6 @@ typedef union {
} b;
} ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
/*
* ATA-IDE Error Register
*
* mark : Bad address mark
* tzero : Couldn't find track 0
* abrt : Aborted Command
* mcr : Media Change Request
* id : ID field not found
* mce : Media Change Event
* ecc : Uncorrectable ECC error
* bdd : dual meaing
*/
typedef union {
unsigned all :8;
struct {
#if defined(__LITTLE_ENDIAN_BITFIELD)
unsigned mark :1;
unsigned tzero :1;
unsigned abrt :1;
unsigned mcr :1;
unsigned id :1;
unsigned mce :1;
unsigned ecc :1;
unsigned bdd :1;
#elif defined(__BIG_ENDIAN_BITFIELD)
unsigned bdd :1;
unsigned ecc :1;
unsigned mce :1;
unsigned id :1;
unsigned mcr :1;
unsigned abrt :1;
unsigned tzero :1;
unsigned mark :1;
#else
#error "Please fix <asm/byteorder.h>"
#endif
} b;
} ata_error_t;
/*
* ATA-IDE Select Register, aka Device-Head
*
......@@ -503,39 +448,6 @@ typedef union {
} b;
} ata_status_t, atapi_status_t;
/*
* ATA-IDE Control Register
*
* bit0 : Should be set to zero
* nIEN : device INTRQ to host
* SRST : host soft reset bit
* bit3 : ATA-2 thingy, Should be set to 1
* reserved456 : Reserved
* HOB : 48-bit address ordering, High Ordered Bit
*/
typedef union {
unsigned all : 8;
struct {
#if defined(__LITTLE_ENDIAN_BITFIELD)
unsigned bit0 : 1;
unsigned nIEN : 1;
unsigned SRST : 1;
unsigned bit3 : 1;
unsigned reserved456 : 3;
unsigned HOB : 1;
#elif defined(__BIG_ENDIAN_BITFIELD)
unsigned HOB : 1;
unsigned reserved456 : 3;
unsigned bit3 : 1;
unsigned SRST : 1;
unsigned nIEN : 1;
unsigned bit0 : 1;
#else
#error "Please fix <asm/byteorder.h>"
#endif
} b;
} ata_control_t;
/*
* ATAPI Feature Register
*
......@@ -617,39 +529,6 @@ typedef union {
} b;
} atapi_error_t;
/*
* ATAPI floppy Drive Select Register
*
* sam_lun : Logical unit number
* reserved3 : Reserved
* drv : The responding drive will be drive 0 (0) or drive 1 (1)
* one5 : Should be set to 1
* reserved6 : Reserved
* one7 : Should be set to 1
*/
typedef union {
unsigned all :8;
struct {
#if defined(__LITTLE_ENDIAN_BITFIELD)
unsigned sam_lun :3;
unsigned reserved3 :1;
unsigned drv :1;
unsigned one5 :1;
unsigned reserved6 :1;
unsigned one7 :1;
#elif defined(__BIG_ENDIAN_BITFIELD)
unsigned one7 :1;
unsigned reserved6 :1;
unsigned one5 :1;
unsigned drv :1;
unsigned reserved3 :1;
unsigned sam_lun :3;
#else
#error "Please fix <asm/byteorder.h>"
#endif
} b;
} atapi_select_t;
/*
* Status returned from various ide_ functions
*/
......@@ -1101,10 +980,7 @@ typedef struct ide_driver_s {
int (*end_request)(ide_drive_t *, int, int);
ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8);
ide_startstop_t (*abort)(ide_drive_t *, struct request *rq);
int (*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
ide_proc_entry_t *proc;
void (*ata_prebuilder)(ide_drive_t *);
void (*atapi_prebuilder)(ide_drive_t *);
struct device_driver gen_driver;
} ide_driver_t;
......@@ -1298,7 +1174,6 @@ extern int ide_spin_wait_hwgroup(ide_drive_t *);
extern void ide_timer_expiry(unsigned long);
extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs);
extern void do_ide_request(request_queue_t *);
extern void ide_init_subdrivers(void);
void ide_init_disk(struct gendisk *, ide_drive_t *);
......@@ -1371,6 +1246,12 @@ void ide_init_sg_cmd(ide_drive_t *, struct request *);
#define GOOD_DMA_DRIVE 1
#ifdef CONFIG_BLK_DEV_IDEDMA
struct drive_list_entry {
const char *id_model;
const char *id_firmware;
};
int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *);
int __ide_dma_bad_drive(ide_drive_t *);
int __ide_dma_good_drive(ide_drive_t *);
int ide_use_dma(ide_drive_t *);
......
include/linux/pci_ids.h
View file @ 7116317d
......@@ -1244,6 +1244,7 @@
#define PCI_DEVICE_ID_VIA_8378_0 0x3205
#define PCI_DEVICE_ID_VIA_8783_0 0x3208
#define PCI_DEVICE_ID_VIA_8237 0x3227
#define PCI_DEVICE_ID_VIA_8251 0x3287
#define PCI_DEVICE_ID_VIA_3296_0 0x0296
#define PCI_DEVICE_ID_VIA_8231 0x8231
#define PCI_DEVICE_ID_VIA_8231_4 0x8235
......
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