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Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6 

* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6:
  ide: fix PIO setup on resume for ATAPI devices
  ide: legacy PCI bus order probing fixes
  ide: add ide_proc_register_port()
  ide: add "initializing" argument to ide_register_hw()
  ide: cable detection fixes (take 2)
  ide: move IDE settings handling to ide-proc.c
  ide: split off ioctl handling from IDE settings (v2)
  ide: make /proc/ide/ optional
  ide: add ide_tune_dma() helper
  ide: rework the code for selecting the best DMA transfer mode (v3)
  ide: fix UDMA/MWDMA/SWDMA masks (v3)
This commit is contained in:
Linus Torvalds 2007-05-09 15:41:31 -07:00
parent d0b6e0e380 317a46a200
commit 3cb7396b7b
63 changed files with 1108 additions and 1465 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/ide/Kconfig
View File

@ -291,6 +291,17 @@ config IDE_TASK_IOCTL
If you are unsure, say N here.
config IDE_PROC_FS
bool "legacy /proc/ide/ support"
depends on IDE && PROC_FS
default y
help
This option enables support for the various files in
/proc/ide. In Linux 2.6 this has been superseded by
files in sysfs but many legacy applications rely on this.
If unsure say Y.
comment "IDE chipset support/bugfixes"
config IDE_GENERIC
@ -360,6 +371,9 @@ config IDEPCI_SHARE_IRQ
It is safe to say Y to this question, in most cases.
If unsure, say N.
config IDEPCI_PCIBUS_ORDER
def_bool PCI && BLK_DEV_IDE=y && BLK_DEV_IDEPCI
config BLK_DEV_OFFBOARD
bool "Boot off-board chipsets first support"
depends on PCI && BLK_DEV_IDEPCI

2
drivers/ide/Makefile
View File

@ -20,7 +20,7 @@ ide-core-$(CONFIG_BLK_DEV_CMD640) += pci/cmd640.o
# Core IDE code - must come before legacy
ide-core-$(CONFIG_BLK_DEV_IDEPCI) += setup-pci.o
ide-core-$(CONFIG_BLK_DEV_IDEDMA) += ide-dma.o
ide-core-$(CONFIG_PROC_FS) += ide-proc.o
ide-core-$(CONFIG_IDE_PROC_FS) += ide-proc.o
ide-core-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o
ide-core-$(CONFIG_BLK_DEV_IDEACPI) += ide-acpi.o

2
drivers/ide/arm/bast-ide.c
View File

@ -45,7 +45,7 @@ bastide_register(unsigned int base, unsigned int aux, int irq,
hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
hw.irq = irq;
ide_register_hw(&hw, hwif);
ide_register_hw(&hw, 0, hwif);
return 0;
}

9
drivers/ide/arm/icside.c
View File

@ -342,7 +342,7 @@ static int icside_dma_check(ide_drive_t *drive)
* Enable DMA on any drive that has multiword DMA
*/
if (id->field_valid & 2) {
xfer_mode = ide_dma_speed(drive, 0);
xfer_mode = ide_max_dma_mode(drive);
goto out;
}
@ -591,7 +591,8 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
state->hwif[0] = hwif;
probe_hwif_init(hwif);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
return 0;
}
@ -679,7 +680,9 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
probe_hwif_init(hwif);
probe_hwif_init(mate);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
ide_proc_register_port(mate);
return 0;

2
drivers/ide/arm/ide_arm.c
View File

@ -38,6 +38,6 @@ void __init ide_arm_init(void)
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, IDE_ARM_IO, IDE_ARM_IO + 0x206);
hw.irq = IDE_ARM_IRQ;
ide_register_hw(&hw, NULL);
ide_register_hw(&hw, 1, NULL);
}
}

2
drivers/ide/arm/rapide.c
View File

@ -76,7 +76,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
hwif->gendev.parent = &ec->dev;
hwif->noprobe = 0;
probe_hwif_init(hwif);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
ecard_set_drvdata(ec, hwif);
goto out;
}

4
drivers/ide/cris/ide-cris.c
View File

@ -796,7 +796,7 @@ init_e100_ide (void)
ide_offsets,
0, 0, cris_ide_ack_intr,
ide_default_irq(0));
ide_register_hw(&hw, &hwif);
ide_register_hw(&hw, 1, &hwif);
hwif->mmio = 1;
hwif->chipset = ide_etrax100;
hwif->tuneproc = &tune_cris_ide;
@ -1004,7 +1004,7 @@ static int cris_ide_build_dmatable (ide_drive_t *drive)
static int cris_config_drive_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, 1);
u8 speed = ide_max_dma_mode(drive);
if (!speed)
return 0;

2
drivers/ide/h8300/ide-h8300.c
View File

@ -101,7 +101,7 @@ void __init h8300_ide_init(void)
hw_setup(&hw);
/* register if */
idx = ide_register_hw(&hw, &hwif);
idx = ide_register_hw(&hw, 1, &hwif);
if (idx == -1) {
printk(KERN_ERR "ide-h8300: IDE I/F register failed\n");
return;

20
drivers/ide/ide-cd.c
View File

@ -3059,10 +3059,14 @@ int ide_cdrom_probe_capabilities (ide_drive_t *drive)
return nslots;
}
#ifdef CONFIG_IDE_PROC_FS
static void ide_cdrom_add_settings(ide_drive_t *drive)
{
ide_add_setting(drive, "dsc_overlap", SETTING_RW, -1, -1, TYPE_BYTE, 0, 1, 1, 1, &drive->dsc_overlap, NULL);
ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->dsc_overlap, NULL);
}
#else
static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; }
#endif
/*
* standard prep_rq_fn that builds 10 byte cmds
@ -3274,7 +3278,7 @@ int ide_cdrom_setup (ide_drive_t *drive)
return 0;
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static
sector_t ide_cdrom_capacity (ide_drive_t *drive)
{
@ -3291,7 +3295,7 @@ static void ide_cd_remove(ide_drive_t *drive)
{
struct cdrom_info *info = drive->driver_data;
ide_unregister_subdriver(drive, info->driver);
ide_proc_unregister_driver(drive, info->driver);
del_gendisk(info->disk);
@ -3321,7 +3325,7 @@ static void ide_cd_release(struct kref *kref)
static int ide_cd_probe(ide_drive_t *);
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int proc_idecd_read_capacity
(char *page, char **start, off_t off, int count, int *eof, void *data)
{
@ -3336,8 +3340,6 @@ static ide_proc_entry_t idecd_proc[] = {
{ "capacity", S_IFREG|S_IRUGO, proc_idecd_read_capacity, NULL },
{ NULL, 0, NULL, NULL }
};
#else
# define idecd_proc NULL
#endif
static ide_driver_t ide_cdrom_driver = {
@ -3355,7 +3357,9 @@ static ide_driver_t ide_cdrom_driver = {
.end_request = ide_end_request,
.error = __ide_error,
.abort = __ide_abort,
#ifdef CONFIG_IDE_PROC_FS
.proc = idecd_proc,
#endif
};
static int idecd_open(struct inode * inode, struct file * file)
@ -3517,7 +3521,7 @@ static int ide_cd_probe(ide_drive_t *drive)
ide_init_disk(g, drive);
ide_register_subdriver(drive, &ide_cdrom_driver);
ide_proc_register_driver(drive, &ide_cdrom_driver);
kref_init(&info->kref);
@ -3534,7 +3538,7 @@ static int ide_cd_probe(ide_drive_t *drive)
g->flags = GENHD_FL_CD | GENHD_FL_REMOVABLE;
if (ide_cdrom_setup(drive)) {
struct cdrom_device_info *devinfo = &info->devinfo;
ide_unregister_subdriver(drive, &ide_cdrom_driver);
ide_proc_unregister_driver(drive, &ide_cdrom_driver);
kfree(info->buffer);
kfree(info->toc);
kfree(info->changer_info);

101
drivers/ide/ide-disk.c
View File

@ -559,8 +559,7 @@ static sector_t idedisk_capacity (ide_drive_t *drive)
return drive->capacity64 - drive->sect0;
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int smart_enable(ide_drive_t *drive)
{
ide_task_t args;
@ -678,12 +677,7 @@ static ide_proc_entry_t idedisk_proc[] = {
{ "smart_thresholds", S_IFREG|S_IRUSR, proc_idedisk_read_smart_thresholds, NULL },
{ NULL, 0, NULL, NULL }
};
#else
#define idedisk_proc NULL
#endif /* CONFIG_PROC_FS */
#endif /* CONFIG_IDE_PROC_FS */
static void idedisk_prepare_flush(request_queue_t *q, struct request *rq)
{
@ -737,6 +731,9 @@ static int set_multcount(ide_drive_t *drive, int arg)
{
struct request rq;
if (arg < 0 || arg > drive->id->max_multsect)
return -EINVAL;
if (drive->special.b.set_multmode)
return -EBUSY;
ide_init_drive_cmd (&rq);
@ -749,6 +746,9 @@ static int set_multcount(ide_drive_t *drive, int arg)
static int set_nowerr(ide_drive_t *drive, int arg)
{
if (arg < 0 || arg > 1)
return -EINVAL;
if (ide_spin_wait_hwgroup(drive))
return -EBUSY;
drive->nowerr = arg;
@ -800,6 +800,9 @@ static int write_cache(ide_drive_t *drive, int arg)
ide_task_t args;
int err = 1;
if (arg < 0 || arg > 1)
return -EINVAL;
if (ide_id_has_flush_cache(drive->id)) {
memset(&args, 0, sizeof(ide_task_t));
args.tfRegister[IDE_FEATURE_OFFSET] = (arg) ?
@ -835,6 +838,9 @@ static int set_acoustic (ide_drive_t *drive, int arg)
{
ide_task_t args;
if (arg < 0 || arg > 254)
return -EINVAL;
memset(&args, 0, sizeof(ide_task_t));
args.tfRegister[IDE_FEATURE_OFFSET] = (arg) ? SETFEATURES_EN_AAM :
SETFEATURES_DIS_AAM;
@ -855,6 +861,9 @@ static int set_acoustic (ide_drive_t *drive, int arg)
*/
static int set_lba_addressing(ide_drive_t *drive, int arg)
{
if (arg < 0 || arg > 2)
return -EINVAL;
drive->addressing = 0;
if (HWIF(drive)->no_lba48)
@ -866,23 +875,27 @@ static int set_lba_addressing(ide_drive_t *drive, int arg)
return 0;
}
#ifdef CONFIG_IDE_PROC_FS
static void idedisk_add_settings(ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;
ide_add_setting(drive, "bios_cyl", SETTING_RW, -1, -1, TYPE_INT, 0, 65535, 1, 1, &drive->bios_cyl, NULL);
ide_add_setting(drive, "bios_head", SETTING_RW, -1, -1, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
ide_add_setting(drive, "bios_sect", SETTING_RW, -1, -1, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
ide_add_setting(drive, "address", SETTING_RW, HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, TYPE_INTA, 0, 2, 1, 1, &drive->addressing, set_lba_addressing);
ide_add_setting(drive, "bswap", SETTING_READ, -1, -1, TYPE_BYTE, 0, 1, 1, 1, &drive->bswap, NULL);
ide_add_setting(drive, "multcount", id ? SETTING_RW : SETTING_READ, HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, TYPE_BYTE, 0, id ? id->max_multsect : 0, 1, 1, &drive->mult_count, set_multcount);
ide_add_setting(drive, "nowerr", SETTING_RW, HDIO_GET_NOWERR, HDIO_SET_NOWERR, TYPE_BYTE, 0, 1, 1, 1, &drive->nowerr, set_nowerr);
ide_add_setting(drive, "lun", SETTING_RW, -1, -1, TYPE_INT, 0, 7, 1, 1, &drive->lun, NULL);
ide_add_setting(drive, "wcache", SETTING_RW, HDIO_GET_WCACHE, HDIO_SET_WCACHE, TYPE_BYTE, 0, 1, 1, 1, &drive->wcache, write_cache);
ide_add_setting(drive, "acoustic", SETTING_RW, HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, TYPE_BYTE, 0, 254, 1, 1, &drive->acoustic, set_acoustic);
ide_add_setting(drive, "failures", SETTING_RW, -1, -1, TYPE_INT, 0, 65535, 1, 1, &drive->failures, NULL);
ide_add_setting(drive, "max_failures", SETTING_RW, -1, -1, TYPE_INT, 0, 65535, 1, 1, &drive->max_failures, NULL);
ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, &drive->bios_cyl, NULL);
ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1, &drive->addressing, set_lba_addressing);
ide_add_setting(drive, "bswap", SETTING_READ, TYPE_BYTE, 0, 1, 1, 1, &drive->bswap, NULL);
ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, id->max_multsect, 1, 1, &drive->mult_count, set_multcount);
ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nowerr, set_nowerr);
ide_add_setting(drive, "lun", SETTING_RW, TYPE_INT, 0, 7, 1, 1, &drive->lun, NULL);
ide_add_setting(drive, "wcache", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->wcache, write_cache);
ide_add_setting(drive, "acoustic", SETTING_RW, TYPE_BYTE, 0, 254, 1, 1, &drive->acoustic, set_acoustic);
ide_add_setting(drive, "failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, &drive->failures, NULL);
ide_add_setting(drive, "max_failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, &drive->max_failures, NULL);
}
#else
static inline void idedisk_add_settings(ide_drive_t *drive) { ; }
#endif
static void idedisk_setup (ide_drive_t *drive)
{
@ -1001,7 +1014,7 @@ static void ide_disk_remove(ide_drive_t *drive)
struct ide_disk_obj *idkp = drive->driver_data;
struct gendisk *g = idkp->disk;
ide_unregister_subdriver(drive, idkp->driver);
ide_proc_unregister_driver(drive, idkp->driver);
del_gendisk(g);
@ -1066,7 +1079,9 @@ static ide_driver_t idedisk_driver = {
.end_request = ide_end_request,
.error = __ide_error,
.abort = __ide_abort,
#ifdef CONFIG_IDE_PROC_FS
.proc = idedisk_proc,
#endif
};
static int idedisk_open(struct inode *inode, struct file *filp)
@ -1140,9 +1155,49 @@ static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
static int idedisk_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
unsigned long flags;
struct block_device *bdev = inode->i_bdev;
struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
return generic_ide_ioctl(idkp->drive, file, bdev, cmd, arg);
ide_drive_t *drive = idkp->drive;
int err, (*setfunc)(ide_drive_t *, int);
u8 *val;
switch (cmd) {
case HDIO_GET_ADDRESS: val = &drive->addressing; goto read_val;
case HDIO_GET_MULTCOUNT: val = &drive->mult_count; goto read_val;
case HDIO_GET_NOWERR: val = &drive->nowerr; goto read_val;
case HDIO_GET_WCACHE: val = &drive->wcache; goto read_val;
case HDIO_GET_ACOUSTIC: val = &drive->acoustic; goto read_val;
case HDIO_SET_ADDRESS: setfunc = set_lba_addressing; goto set_val;
case HDIO_SET_MULTCOUNT: setfunc = set_multcount; goto set_val;
case HDIO_SET_NOWERR: setfunc = set_nowerr; goto set_val;
case HDIO_SET_WCACHE: setfunc = write_cache; goto set_val;
case HDIO_SET_ACOUSTIC: setfunc = set_acoustic; goto set_val;
}
return generic_ide_ioctl(drive, file, bdev, cmd, arg);
read_val:
down(&ide_setting_sem);
spin_lock_irqsave(&ide_lock, flags);
err = *val;
spin_unlock_irqrestore(&ide_lock, flags);
up(&ide_setting_sem);
return err >= 0 ? put_user(err, (long __user *)arg) : err;
set_val:
if (bdev != bdev->bd_contains)
err = -EINVAL;
else {
if (!capable(CAP_SYS_ADMIN))
err = -EACCES;
else {
down(&ide_setting_sem);
err = setfunc(drive, arg);
up(&ide_setting_sem);
}
}
return err;
}
static int idedisk_media_changed(struct gendisk *disk)
@ -1202,7 +1257,7 @@ static int ide_disk_probe(ide_drive_t *drive)
ide_init_disk(g, drive);
ide_register_subdriver(drive, &idedisk_driver);
ide_proc_register_driver(drive, &idedisk_driver);
kref_init(&idkp->kref);

94
drivers/ide/ide-dma.c
View File

@ -705,6 +705,100 @@ int ide_use_dma(ide_drive_t *drive)
EXPORT_SYMBOL_GPL(ide_use_dma);
static const u8 xfer_mode_bases[] = {
XFER_UDMA_0,
XFER_MW_DMA_0,
XFER_SW_DMA_0,
};
static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base)
{
struct hd_driveid *id = drive->id;
ide_hwif_t *hwif = drive->hwif;
unsigned int mask = 0;
switch(base) {
case XFER_UDMA_0:
if ((id->field_valid & 4) == 0)
break;
mask = id->dma_ultra & hwif->ultra_mask;
if (hwif->udma_filter)
mask &= hwif->udma_filter(drive);
if ((mask & 0x78) && (eighty_ninty_three(drive) == 0))
mask &= 0x07;
break;
case XFER_MW_DMA_0:
mask = id->dma_mword & hwif->mwdma_mask;
break;
case XFER_SW_DMA_0:
mask = id->dma_1word & hwif->swdma_mask;
break;
default:
BUG();
break;
}
return mask;
}
/**
* ide_max_dma_mode - compute DMA speed
* @drive: IDE device
*
* Checks the drive capabilities and returns the speed to use
* for the DMA transfer. Returns 0 if the drive is incapable
* of DMA transfers.
*/
u8 ide_max_dma_mode(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
unsigned int mask;
int x, i;
u8 mode = 0;
if (drive->media != ide_disk && hwif->atapi_dma == 0)
return 0;
for (i = 0; i < ARRAY_SIZE(xfer_mode_bases); i++) {
mask = ide_get_mode_mask(drive, xfer_mode_bases[i]);
x = fls(mask) - 1;
if (x >= 0) {
mode = xfer_mode_bases[i] + x;
break;
}
}
printk(KERN_DEBUG "%s: selected mode 0x%x\n", drive->name, mode);
return mode;
}
EXPORT_SYMBOL_GPL(ide_max_dma_mode);
int ide_tune_dma(ide_drive_t *drive)
{
u8 speed;
/* TODO: use only ide_max_dma_mode() */
if (!ide_use_dma(drive))
return 0;
speed = ide_max_dma_mode(drive);
if (!speed)
return 0;
drive->hwif->speedproc(drive, speed);
return ide_dma_enable(drive);
}
EXPORT_SYMBOL_GPL(ide_tune_dma);
void ide_dma_verbose(ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;

30
drivers/ide/ide-floppy.c
View File

@ -1811,18 +1811,22 @@ static int idefloppy_identify_device (ide_drive_t *drive,struct hd_driveid *id)
return 0;
}
#ifdef CONFIG_IDE_PROC_FS
static void idefloppy_add_settings(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
/*
* drive setting name read/write ioctl ioctl data type min max mul_factor div_factor data pointer set function
* drive setting name read/write data type min max mul_factor div_factor data pointer set function
*/
ide_add_setting(drive, "bios_cyl", SETTING_RW, -1, -1, TYPE_INT, 0, 1023, 1, 1, &drive->bios_cyl, NULL);
ide_add_setting(drive, "bios_head", SETTING_RW, -1, -1, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
ide_add_setting(drive, "bios_sect", SETTING_RW, -1, -1, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
ide_add_setting(drive, "ticks", SETTING_RW, -1, -1, TYPE_BYTE, 0, 255, 1, 1, &floppy->ticks, NULL);
ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1, &drive->bios_cyl, NULL);
ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
ide_add_setting(drive, "ticks", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &floppy->ticks, NULL);
}
#else
static inline void idefloppy_add_settings(ide_drive_t *drive) { ; }
#endif
/*
* Driver initialization.
@ -1873,7 +1877,7 @@ static void ide_floppy_remove(ide_drive_t *drive)
idefloppy_floppy_t *floppy = drive->driver_data;
struct gendisk *g = floppy->disk;
ide_unregister_subdriver(drive, floppy->driver);
ide_proc_unregister_driver(drive, floppy->driver);
del_gendisk(g);
@ -1892,8 +1896,7 @@ static void ide_floppy_release(struct kref *kref)
kfree(floppy);
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int proc_idefloppy_read_capacity
(char *page, char **start, off_t off, int count, int *eof, void *data)
{
@ -1909,12 +1912,7 @@ static ide_proc_entry_t idefloppy_proc[] = {
{ "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL },
{ NULL, 0, NULL, NULL }
};
#else
#define idefloppy_proc NULL
#endif /* CONFIG_PROC_FS */
#endif /* CONFIG_IDE_PROC_FS */
static int ide_floppy_probe(ide_drive_t *);
@ -1933,7 +1931,9 @@ static ide_driver_t idefloppy_driver = {
.end_request = idefloppy_do_end_request,
.error = __ide_error,
.abort = __ide_abort,
#ifdef CONFIG_IDE_PROC_FS
.proc = idefloppy_proc,
#endif
};
static int idefloppy_open(struct inode *inode, struct file *filp)
@ -2159,7 +2159,7 @@ static int ide_floppy_probe(ide_drive_t *drive)
ide_init_disk(g, drive);
ide_register_subdriver(drive, &idefloppy_driver);
ide_proc_register_driver(drive, &idefloppy_driver);
kref_init(&floppy->kref);

2
drivers/ide/ide-generic.c
View File

@ -22,8 +22,6 @@ static int __init ide_generic_init(void)
if (ide_hwifs[0].io_ports[IDE_DATA_OFFSET])
ide_release_lock(); /* for atari only */
create_proc_ide_interfaces();
return 0;
}

17
drivers/ide/ide-io.c
View File

@ -172,15 +172,6 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
memset(args, 0, sizeof(*args));
if (drive->media != ide_disk) {
/*
* skip idedisk_pm_restore_pio and idedisk_pm_idle for ATAPI
* devices
*/
if (pm->pm_step == idedisk_pm_restore_pio)
pm->pm_step = ide_pm_restore_dma;
}
switch (pm->pm_step) {
case ide_pm_flush_cache: /* Suspend step 1 (flush cache) */
if (drive->media != ide_disk)
@ -207,7 +198,13 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *
case idedisk_pm_restore_pio: /* Resume step 1 (restore PIO) */
if (drive->hwif->tuneproc != NULL)
drive->hwif->tuneproc(drive, 255);
ide_complete_power_step(drive, rq, 0, 0);
/*
* skip idedisk_pm_idle for ATAPI devices
*/
if (drive->media != ide_disk)
pm->pm_step = ide_pm_restore_dma;
else
ide_complete_power_step(drive, rq, 0, 0);
return ide_stopped;
case idedisk_pm_idle: /* Resume step 2 (idle) */

55
drivers/ide/ide-iops.c
View File

@ -571,51 +571,54 @@ EXPORT_SYMBOL(ide_wait_stat);
*/
u8 eighty_ninty_three (ide_drive_t *drive)
{
if(HWIF(drive)->udma_four == 0)
return 0;
ide_hwif_t *hwif = drive->hwif;
struct hd_driveid *id = drive->id;
if (hwif->udma_four == 0)
goto no_80w;
/* Check for SATA but only if we are ATA5 or higher */
if (drive->id->hw_config == 0 && (drive->id->major_rev_num & 0x7FE0))
if (id->hw_config == 0 && (id->major_rev_num & 0x7FE0))
return 1;
if (!(drive->id->hw_config & 0x6000))
return 0;
#ifndef CONFIG_IDEDMA_IVB
if(!(drive->id->hw_config & 0x4000))
return 0;
#endif /* CONFIG_IDEDMA_IVB */
/*
* FIXME:
* - change master/slave IDENTIFY order
* - force bit13 (80c cable present) check
* (unless the slave device is pre-ATA3)
*/
return 1;
}
#ifndef CONFIG_IDEDMA_IVB
if (id->hw_config & 0x4000)
#else
if (id->hw_config & 0x6000)
#endif
return 1;
EXPORT_SYMBOL(eighty_ninty_three);
no_80w:
if (drive->udma33_warned == 1)
return 0;
printk(KERN_WARNING "%s: %s side 80-wire cable detection failed, "
"limiting max speed to UDMA33\n",
drive->name, hwif->udma_four ? "drive" : "host");
drive->udma33_warned = 1;
return 0;
}
int ide_ata66_check (ide_drive_t *drive, ide_task_t *args)
{
if ((args->tfRegister[IDE_COMMAND_OFFSET] == WIN_SETFEATURES) &&
(args->tfRegister[IDE_SECTOR_OFFSET] > XFER_UDMA_2) &&
(args->tfRegister[IDE_FEATURE_OFFSET] == SETFEATURES_XFER)) {
#ifndef CONFIG_IDEDMA_IVB
if ((drive->id->hw_config & 0x6000) == 0) {
#else /* !CONFIG_IDEDMA_IVB */
if (((drive->id->hw_config & 0x2000) == 0) ||
((drive->id->hw_config & 0x4000) == 0)) {
#endif /* CONFIG_IDEDMA_IVB */
printk("%s: Speed warnings UDMA 3/4/5 is not "
"functional.\n", drive->name);
return 1;
}
if (!HWIF(drive)->udma_four) {
printk("%s: Speed warnings UDMA 3/4/5 is not "
"functional.\n",
HWIF(drive)->name);
if (eighty_ninty_three(drive) == 0) {
printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot "
"be set\n", drive->name);
return 1;
}
}
return 0;
}

132
drivers/ide/ide-lib.c
View File

@ -69,123 +69,41 @@ char *ide_xfer_verbose (u8 xfer_rate)
EXPORT_SYMBOL(ide_xfer_verbose);
/**
* ide_dma_speed - compute DMA speed
* @drive: drive
* @mode: modes available
*
* Checks the drive capabilities and returns the speed to use
* for the DMA transfer. Returns 0 if the drive is incapable
* of DMA transfers.
*/
u8 ide_dma_speed(ide_drive_t *drive, u8 mode)
{
struct hd_driveid *id = drive->id;
ide_hwif_t *hwif = HWIF(drive);
u8 ultra_mask, mwdma_mask, swdma_mask;
u8 speed = 0;
if (drive->media != ide_disk && hwif->atapi_dma == 0)
return 0;
/* Capable of UltraDMA modes? */
ultra_mask = id->dma_ultra & hwif->ultra_mask;
if (!(id->field_valid & 4))
mode = 0; /* fallback to MW/SW DMA if no UltraDMA */
switch (mode) {
case 4:
if (ultra_mask & 0x40) {
speed = XFER_UDMA_6;
break;
}
case 3:
if (ultra_mask & 0x20) {
speed = XFER_UDMA_5;
break;
}
case 2:
if (ultra_mask & 0x10) {
speed = XFER_UDMA_4;
break;
}
if (ultra_mask & 0x08) {
speed = XFER_UDMA_3;
break;
}
case 1:
if (ultra_mask & 0x04) {
speed = XFER_UDMA_2;
break;
}
if (ultra_mask & 0x02) {
speed = XFER_UDMA_1;
break;
}
if (ultra_mask & 0x01) {
speed = XFER_UDMA_0;
break;
}
case 0:
mwdma_mask = id->dma_mword & hwif->mwdma_mask;
if (mwdma_mask & 0x04) {
speed = XFER_MW_DMA_2;
break;
}
if (mwdma_mask & 0x02) {
speed = XFER_MW_DMA_1;
break;
}
if (mwdma_mask & 0x01) {
speed = XFER_MW_DMA_0;
break;
}
swdma_mask = id->dma_1word & hwif->swdma_mask;
if (swdma_mask & 0x04) {
speed = XFER_SW_DMA_2;
break;
}
if (swdma_mask & 0x02) {
speed = XFER_SW_DMA_1;
break;
}
if (swdma_mask & 0x01) {
speed = XFER_SW_DMA_0;
break;
}
}
return speed;
}
EXPORT_SYMBOL(ide_dma_speed);
/**
* ide_rate_filter - return best speed for mode
* @mode: modes available
* ide_rate_filter - filter transfer mode
* @drive: IDE device
* @speed: desired speed
*
* Given the available DMA/UDMA mode this function returns
* Given the available transfer modes this function returns
* the best available speed at or below the speed requested.
*
* FIXME: filter also PIO/SWDMA/MWDMA modes
*/
u8 ide_rate_filter (u8 mode, u8 speed)
u8 ide_rate_filter(ide_drive_t *drive, u8 speed)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
static u8 speed_max[] = {
XFER_MW_DMA_2, XFER_UDMA_2, XFER_UDMA_4,
XFER_UDMA_5, XFER_UDMA_6
};
ide_hwif_t *hwif = drive->hwif;
u8 mask = hwif->ultra_mask, mode = XFER_MW_DMA_2;
if (hwif->udma_filter)
mask = hwif->udma_filter(drive);
/*
* TODO: speed > XFER_UDMA_2 extra check is needed to avoid false
* cable warning from eighty_ninty_three(), moving ide_rate_filter()
* calls from ->speedproc to core code will make this hack go away
*/
if (speed > XFER_UDMA_2) {
if ((mask & 0x78) && (eighty_ninty_three(drive) == 0))
mask &= 0x07;
}
if (mask)
mode = fls(mask) - 1 + XFER_UDMA_0;
// printk("%s: mode 0x%02x, speed 0x%02x\n", __FUNCTION__, mode, speed);
/* So that we remember to update this if new modes appear */
BUG_ON(mode > 4);
return min(speed, speed_max[mode]);
return min(speed, mode);
#else /* !CONFIG_BLK_DEV_IDEDMA */
return min(speed, (u8)XFER_PIO_4);
#endif /* CONFIG_BLK_DEV_IDEDMA */

2
drivers/ide/ide-pnp.c
View File

@ -42,7 +42,7 @@ static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id
hw.irq = pnp_irq(dev, 0);
hw.dma = NO_DMA;
index = ide_register_hw(&hw, &hwif);
index = ide_register_hw(&hw, 1, &hwif);
if (index != -1) {
printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);

3
drivers/ide/ide-probe.c
View File

@ -1427,6 +1427,9 @@ int ideprobe_init (void)
}
}
}
for (index = 0; index < MAX_HWIFS; ++index)
if (probe[index])
ide_proc_register_port(&ide_hwifs[index]);
return 0;
}

344
drivers/ide/ide-proc.c
View File

@ -3,6 +3,8 @@
*
* Copyright (C) 1997-1998 Mark Lord
* Copyright (C) 2003 Red Hat <alan@redhat.com>
*
* Some code was moved here from ide.c, see it for original copyrights.
*/
/*
@ -37,6 +39,8 @@
#include <asm/io.h>
static struct proc_dir_entry *proc_ide_root;
static int proc_ide_read_imodel
(char *page, char **start, off_t off, int count, int *eof, void *data)
{
@ -121,6 +125,265 @@ static int proc_ide_read_identify
PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
}
/**
* __ide_add_setting - add an ide setting option
* @drive: drive to use
* @name: setting name
* @rw: true if the function is read write
* @data_type: type of data
* @min: range minimum
* @max: range maximum
* @mul_factor: multiplication scale
* @div_factor: divison scale
* @data: private data field
* @set: setting
* @auto_remove: setting auto removal flag
*
* Removes the setting named from the device if it is present.
* The function takes the settings_lock to protect against
* parallel changes. This function must not be called from IRQ
* context. Returns 0 on success or -1 on failure.
*
* BUGS: This code is seriously over-engineered. There is also
* magic about how the driver specific features are setup. If
* a driver is attached we assume the driver settings are auto
* remove.
*/
static int __ide_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set, int auto_remove)
{
ide_settings_t **p = (ide_settings_t **) &drive->settings, *setting = NULL;
down(&ide_setting_sem);
while ((*p) && strcmp((*p)->name, name) < 0)
p = &((*p)->next);
if ((setting = kzalloc(sizeof(*setting), GFP_KERNEL)) == NULL)
goto abort;
if ((setting->name = kmalloc(strlen(name) + 1, GFP_KERNEL)) == NULL)
goto abort;
strcpy(setting->name, name);
setting->rw = rw;
setting->data_type = data_type;
setting->min = min;
setting->max = max;
setting->mul_factor = mul_factor;
setting->div_factor = div_factor;
setting->data = data;
setting->set = set;
setting->next = *p;
if (auto_remove)
setting->auto_remove = 1;
*p = setting;
up(&ide_setting_sem);
return 0;
abort:
up(&ide_setting_sem);
kfree(setting);
return -1;
}
int ide_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set)
{
return __ide_add_setting(drive, name, rw, data_type, min, max, mul_factor, div_factor, data, set, 1);
}
EXPORT_SYMBOL(ide_add_setting);
/**
* __ide_remove_setting - remove an ide setting option
* @drive: drive to use
* @name: setting name
*
* Removes the setting named from the device if it is present.
* The caller must hold the setting semaphore.
*/
static void __ide_remove_setting (ide_drive_t *drive, char *name)
{
ide_settings_t **p, *setting;
p = (ide_settings_t **) &drive->settings;
while ((*p) && strcmp((*p)->name, name))
p = &((*p)->next);
if ((setting = (*p)) == NULL)
return;
(*p) = setting->next;
kfree(setting->name);
kfree(setting);
}
/**
* auto_remove_settings - remove driver specific settings
* @drive: drive
*
* Automatically remove all the driver specific settings for this
* drive. This function may not be called from IRQ context. The
* caller must hold ide_setting_sem.
*/
static void auto_remove_settings (ide_drive_t *drive)
{
ide_settings_t *setting;
repeat:
setting = drive->settings;
while (setting) {
if (setting->auto_remove) {
__ide_remove_setting(drive, setting->name);
goto repeat;
}
setting = setting->next;
}
}
/**
* ide_find_setting_by_name - find a drive specific setting
* @drive: drive to scan
* @name: setting name
*
* Scan's the device setting table for a matching entry and returns
* this or NULL if no entry is found. The caller must hold the
* setting semaphore
*/
static ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name)
{
ide_settings_t *setting = drive->settings;
while (setting) {
if (strcmp(setting->name, name) == 0)
break;
setting = setting->next;
}
return setting;
}
/**
* ide_read_setting - read an IDE setting
* @drive: drive to read from
* @setting: drive setting
*
* Read a drive setting and return the value. The caller
* must hold the ide_setting_sem when making this call.
*
* BUGS: the data return and error are the same return value
* so an error -EINVAL and true return of the same value cannot
* be told apart
*/
static int ide_read_setting(ide_drive_t *drive, ide_settings_t *setting)
{
int val = -EINVAL;
unsigned long flags;
if ((setting->rw & SETTING_READ)) {
spin_lock_irqsave(&ide_lock, flags);
switch(setting->data_type) {
case TYPE_BYTE:
val = *((u8 *) setting->data);
break;
case TYPE_SHORT:
val = *((u16 *) setting->data);
break;
case TYPE_INT:
val = *((u32 *) setting->data);
break;
}
spin_unlock_irqrestore(&ide_lock, flags);
}
return val;
}
/**
* ide_write_setting - read an IDE setting
* @drive: drive to read from
* @setting: drive setting
* @val: value
*
* Write a drive setting if it is possible. The caller
* must hold the ide_setting_sem when making this call.
*
* BUGS: the data return and error are the same return value
* so an error -EINVAL and true return of the same value cannot
* be told apart
*
* FIXME: This should be changed to enqueue a special request
* to the driver to change settings, and then wait on a sema for completion.
* The current scheme of polling is kludgy, though safe enough.
*/
static int ide_write_setting(ide_drive_t *drive, ide_settings_t *setting, int val)
{
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (setting->set)
return setting->set(drive, val);
if (!(setting->rw & SETTING_WRITE))
return -EPERM;
if (val < setting->min || val > setting->max)
return -EINVAL;
if (ide_spin_wait_hwgroup(drive))
return -EBUSY;
switch (setting->data_type) {
case TYPE_BYTE:
*((u8 *) setting->data) = val;
break;
case TYPE_SHORT:
*((u16 *) setting->data) = val;
break;
case TYPE_INT:
*((u32 *) setting->data) = val;
break;
}
spin_unlock_irq(&ide_lock);
return 0;
}
static int set_xfer_rate (ide_drive_t *drive, int arg)
{
int err;
if (arg < 0 || arg > 70)
return -EINVAL;
err = ide_wait_cmd(drive,
WIN_SETFEATURES, (u8) arg,
SETFEATURES_XFER, 0, NULL);
if (!err && arg) {
ide_set_xfer_rate(drive, (u8) arg);
ide_driveid_update(drive);
}
return err;
}
/**
* ide_add_generic_settings - generic ide settings
* @drive: drive being configured
*
* Add the generic parts of the system settings to the /proc files.
* The caller must not be holding the ide_setting_sem.
*/
void ide_add_generic_settings (ide_drive_t *drive)
{
/*
* drive setting name read/write access data type min max mul_factor div_factor data pointer set function
*/
__ide_add_setting(drive, "io_32bit", drive->no_io_32bit ? SETTING_READ : SETTING_RW, TYPE_BYTE, 0, 1 + (SUPPORT_VLB_SYNC << 1), 1, 1, &drive->io_32bit, set_io_32bit, 0);
__ide_add_setting(drive, "keepsettings", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->keep_settings, NULL, 0);
__ide_add_setting(drive, "nice1", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nice1, NULL, 0);
__ide_add_setting(drive, "pio_mode", SETTING_WRITE, TYPE_BYTE, 0, 255, 1, 1, NULL, set_pio_mode, 0);
__ide_add_setting(drive, "unmaskirq", drive->no_unmask ? SETTING_READ : SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->unmask, NULL, 0);
__ide_add_setting(drive, "using_dma", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->using_dma, set_using_dma, 0);
__ide_add_setting(drive, "init_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->init_speed, NULL, 0);
__ide_add_setting(drive, "current_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->current_speed, set_xfer_rate, 0);
__ide_add_setting(drive, "number", SETTING_RW, TYPE_BYTE, 0, 3, 1, 1, &drive->dn, NULL, 0);
}
static void proc_ide_settings_warn(void)
{
static int warned = 0;
@ -399,7 +662,7 @@ static ide_proc_entry_t generic_drive_entries[] = {
{ NULL, 0, NULL, NULL }
};
void ide_add_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p, void *data)
static void ide_add_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p, void *data)
{
struct proc_dir_entry *ent;
@ -415,7 +678,7 @@ void ide_add_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p, void
}
}
void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p)
static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p)
{
if (!dir || !p)
return;
@ -425,6 +688,51 @@ void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p)
}
}
void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver)
{
ide_add_proc_entries(drive->proc, driver->proc, drive);
}
EXPORT_SYMBOL(ide_proc_register_driver);
/**
* ide_proc_unregister_driver - remove driver specific data
* @drive: drive
* @driver: driver
*
* Clean up the driver specific /proc files and IDE settings
* for a given drive.
*
* Takes ide_setting_sem and ide_lock.
* Caller must hold none of the locks.
*/
void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
{
unsigned long flags;
ide_remove_proc_entries(drive->proc, driver->proc);
down(&ide_setting_sem);
spin_lock_irqsave(&ide_lock, flags);
/*
* ide_setting_sem protects the settings list
* ide_lock protects the use of settings
*
* so we need to hold both, ide_settings_sem because we want to
* modify the settings list, and ide_lock because we cannot take
* a setting out that is being used.
*
* OTOH both ide_{read,write}_setting are only ever used under
* ide_setting_sem.
*/
auto_remove_settings(drive);
spin_unlock_irqrestore(&ide_lock, flags);
up(&ide_setting_sem);
}
EXPORT_SYMBOL(ide_proc_unregister_driver);
static void create_proc_ide_drives(ide_hwif_t *hwif)
{
int d;
@ -477,26 +785,24 @@ static ide_proc_entry_t hwif_entries[] = {
{ NULL, 0, NULL, NULL }
};
void create_proc_ide_interfaces(void)
void ide_proc_register_port(ide_hwif_t *hwif)
{
int h;
if (!hwif->present)
return;
for (h = 0; h < MAX_HWIFS; h++) {
ide_hwif_t *hwif = &ide_hwifs[h];
if (!hwif->proc) {
hwif->proc = proc_mkdir(hwif->name, proc_ide_root);
if (!hwif->present)
continue;
if (!hwif->proc) {
hwif->proc = proc_mkdir(hwif->name, proc_ide_root);
if (!hwif->proc)
return;
ide_add_proc_entries(hwif->proc, hwif_entries, hwif);
}
create_proc_ide_drives(hwif);
if (!hwif->proc)
return;
ide_add_proc_entries(hwif->proc, hwif_entries, hwif);
}
create_proc_ide_drives(hwif);
}
EXPORT_SYMBOL(create_proc_ide_interfaces);
EXPORT_SYMBOL_GPL(ide_proc_register_port);
#ifdef CONFIG_BLK_DEV_IDEPCI
void ide_pci_create_host_proc(const char *name, get_info_t *get_info)
@ -507,7 +813,7 @@ void ide_pci_create_host_proc(const char *name, get_info_t *get_info)
EXPORT_SYMBOL_GPL(ide_pci_create_host_proc);
#endif
void destroy_proc_ide_interface(ide_hwif_t *hwif)
void ide_proc_unregister_port(ide_hwif_t *hwif)
{
if (hwif->proc) {
destroy_proc_ide_drives(hwif);
@ -554,11 +860,11 @@ void proc_ide_create(void)
{
struct proc_dir_entry *entry;
proc_ide_root = proc_mkdir("ide", NULL);
if (!proc_ide_root)
return;
create_proc_ide_interfaces();
entry = create_proc_entry("drivers", 0, proc_ide_root);
if (entry)
entry->proc_fops = &ide_drivers_operations;

49
drivers/ide/ide-tape.c
View File

@ -4561,28 +4561,33 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive)
printk(KERN_INFO "ide-tape: Adjusted block size - %d\n", tape->tape_block_size);
#endif /* IDETAPE_DEBUG_INFO */
}
#ifdef CONFIG_IDE_PROC_FS
static void idetape_add_settings (ide_drive_t *drive)
{
idetape_tape_t *tape = drive->driver_data;
/*
* drive setting name read/write ioctl ioctl data type min max mul_factor div_factor data pointer set function
* drive setting name read/write data type min max mul_factor div_factor data pointer set function
*/
ide_add_setting(drive, "buffer", SETTING_READ, -1, -1, TYPE_SHORT, 0, 0xffff, 1, 2, &tape->capabilities.buffer_size, NULL);
ide_add_setting(drive, "pipeline_min", SETTING_RW, -1, -1, TYPE_INT, 1, 0xffff, tape->stage_size / 1024, 1, &tape->min_pipeline, NULL);
ide_add_setting(drive, "pipeline", SETTING_RW, -1, -1, TYPE_INT, 1, 0xffff, tape->stage_size / 1024, 1, &tape->max_stages, NULL);
ide_add_setting(drive, "pipeline_max", SETTING_RW, -1, -1, TYPE_INT, 1, 0xffff, tape->stage_size / 1024, 1, &tape->max_pipeline, NULL);
ide_add_setting(drive, "pipeline_used",SETTING_READ, -1, -1, TYPE_INT, 0, 0xffff, tape->stage_size / 1024, 1, &tape->nr_stages, NULL);
ide_add_setting(drive, "pipeline_pending",SETTING_READ,-1, -1, TYPE_INT, 0, 0xffff, tape->stage_size / 1024, 1, &tape->nr_pending_stages, NULL);
ide_add_setting(drive, "speed", SETTING_READ, -1, -1, TYPE_SHORT, 0, 0xffff, 1, 1, &tape->capabilities.speed, NULL);
ide_add_setting(drive, "stage", SETTING_READ, -1, -1, TYPE_INT, 0, 0xffff, 1, 1024, &tape->stage_size, NULL);
ide_add_setting(drive, "tdsc", SETTING_RW, -1, -1, TYPE_INT, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX, 1000, HZ, &tape->best_dsc_rw_frequency, NULL);
ide_add_setting(drive, "dsc_overlap", SETTING_RW, -1, -1, TYPE_BYTE, 0, 1, 1, 1, &drive->dsc_overlap, NULL);
ide_add_setting(drive, "pipeline_head_speed_c",SETTING_READ, -1, -1, TYPE_INT, 0, 0xffff, 1, 1, &tape->controlled_pipeline_head_speed, NULL);
ide_add_setting(drive, "pipeline_head_speed_u",SETTING_READ, -1, -1, TYPE_INT, 0, 0xffff, 1, 1, &tape->uncontrolled_pipeline_head_speed, NULL);
ide_add_setting(drive, "avg_speed", SETTING_READ, -1, -1, TYPE_INT, 0, 0xffff, 1, 1, &tape->avg_speed, NULL);
ide_add_setting(drive, "debug_level",SETTING_RW, -1, -1, TYPE_INT, 0, 0xffff, 1, 1, &tape->debug_level, NULL);
ide_add_setting(drive, "buffer", SETTING_READ, TYPE_SHORT, 0, 0xffff, 1, 2, &tape->capabilities.buffer_size, NULL);
ide_add_setting(drive, "pipeline_min", SETTING_RW, TYPE_INT, 1, 0xffff, tape->stage_size / 1024, 1, &tape->min_pipeline, NULL);
ide_add_setting(drive, "pipeline", SETTING_RW, TYPE_INT, 1, 0xffff, tape->stage_size / 1024, 1, &tape->max_stages, NULL);
ide_add_setting(drive, "pipeline_max", SETTING_RW, TYPE_INT, 1, 0xffff, tape->stage_size / 1024, 1, &tape->max_pipeline, NULL);
ide_add_setting(drive, "pipeline_used", SETTING_READ, TYPE_INT, 0, 0xffff, tape->stage_size / 1024, 1, &tape->nr_stages, NULL);
ide_add_setting(drive, "pipeline_pending", SETTING_READ, TYPE_INT, 0, 0xffff, tape->stage_size / 1024, 1, &tape->nr_pending_stages, NULL);
ide_add_setting(drive, "speed", SETTING_READ, TYPE_SHORT, 0, 0xffff, 1, 1, &tape->capabilities.speed, NULL);
ide_add_setting(drive, "stage", SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1024, &tape->stage_size, NULL);
ide_add_setting(drive, "tdsc", SETTING_RW, TYPE_INT, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX, 1000, HZ, &tape->best_dsc_rw_frequency, NULL);
ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->dsc_overlap, NULL);
ide_add_setting(drive, "pipeline_head_speed_c",SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->controlled_pipeline_head_speed, NULL);
ide_add_setting(drive, "pipeline_head_speed_u",SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->uncontrolled_pipeline_head_speed,NULL);
ide_add_setting(drive, "avg_speed", SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->avg_speed, NULL);
ide_add_setting(drive, "debug_level", SETTING_RW, TYPE_INT, 0, 0xffff, 1, 1, &tape->debug_level, NULL);
}
#else
static inline void idetape_add_settings(ide_drive_t *drive) { ; }
#endif
/*
* ide_setup is called to:
@ -4703,7 +4708,7 @@ static void ide_tape_remove(ide_drive_t *drive)
{
idetape_tape_t *tape = drive->driver_data;
ide_unregister_subdriver(drive, tape->driver);
ide_proc_unregister_driver(drive, tape->driver);
ide_unregister_region(tape->disk);
@ -4730,8 +4735,7 @@ static void ide_tape_release(struct kref *kref)
kfree(tape);
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int proc_idetape_read_name
(char *page, char **start, off_t off, int count, int *eof, void *data)
{
@ -4749,11 +4753,6 @@ static ide_proc_entry_t idetape_proc[] = {
{ "name", S_IFREG|S_IRUGO, proc_idetape_read_name, NULL },
{ NULL, 0, NULL, NULL }
};
#else
#define idetape_proc NULL
#endif
static int ide_tape_probe(ide_drive_t *);
@ -4773,7 +4772,9 @@ static ide_driver_t idetape_driver = {
.end_request = idetape_end_request,
.error = __ide_error,
.abort = __ide_abort,
#ifdef CONFIG_IDE_PROC_FS
.proc = idetape_proc,
#endif
};
/*
@ -4864,7 +4865,7 @@ static int ide_tape_probe(ide_drive_t *drive)
ide_init_disk(g, drive);
ide_register_subdriver(drive, &idetape_driver);
ide_proc_register_driver(drive, &idetape_driver);
kref_init(&tape->kref);

472
drivers/ide/ide.c
View File

@ -168,12 +168,11 @@ static const u8 ide_hwif_to_major[] = { IDE0_MAJOR, IDE1_MAJOR,
static int idebus_parameter; /* holds the "idebus=" parameter */
static int system_bus_speed; /* holds what we think is VESA/PCI bus speed */
static int initializing; /* set while initializing built-in drivers */
DECLARE_MUTEX(ide_cfg_sem);
__cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);
#ifdef CONFIG_BLK_DEV_IDEPCI
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
static int ide_scan_direction; /* THIS was formerly 2.2.x pci=reverse */
#endif
@ -216,9 +215,6 @@ static void init_hwif_data(ide_hwif_t *hwif, unsigned int index)
hwif->bus_state = BUSSTATE_ON;
hwif->atapi_dma = 0; /* disable all atapi dma */
hwif->ultra_mask = 0x80; /* disable all ultra */
hwif->mwdma_mask = 0x80; /* disable all mwdma */
hwif->swdma_mask = 0x80; /* disable all swdma */
init_completion(&hwif->gendev_rel_comp);
@ -305,9 +301,7 @@ static void __init init_ide_data (void)
#endif
}
#ifdef CONFIG_IDE_ARM
initializing = 1;
ide_arm_init();
initializing = 0;
#endif
}
@ -353,10 +347,6 @@ static int ide_system_bus_speed(void)
return system_bus_speed;
}
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_ide_root;
#endif
static struct resource* hwif_request_region(ide_hwif_t *hwif,
unsigned long addr, int num)
{
@ -480,6 +470,7 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
hwif->tuneproc = tmp_hwif->tuneproc;
hwif->speedproc = tmp_hwif->speedproc;
hwif->udma_filter = tmp_hwif->udma_filter;
hwif->selectproc = tmp_hwif->selectproc;
hwif->reset_poll = tmp_hwif->reset_poll;
hwif->pre_reset = tmp_hwif->pre_reset;
@ -599,7 +590,7 @@ void ide_unregister(unsigned int index)
spin_unlock_irq(&ide_lock);
destroy_proc_ide_interface(hwif);
ide_proc_unregister_port(hwif);
hwgroup = hwif->hwgroup;
/*
@ -751,6 +742,7 @@ void ide_setup_ports ( hw_regs_t *hw,
/**
* ide_register_hw_with_fixup - register IDE interface
* @hw: hardware registers
* @initializing: set while initializing built-in drivers
* @hwifp: pointer to returned hwif
* @fixup: fixup function
*
@ -760,7 +752,9 @@ void ide_setup_ports ( hw_regs_t *hw,
* Returns -1 on error.
*/
int ide_register_hw_with_fixup(hw_regs_t *hw, ide_hwif_t **hwifp, void(*fixup)(ide_hwif_t *hwif))
int ide_register_hw_with_fixup(hw_regs_t *hw, int initializing,
ide_hwif_t **hwifp,
void(*fixup)(ide_hwif_t *hwif))
{
int index, retry = 1;
ide_hwif_t *hwif;
@ -801,7 +795,7 @@ int ide_register_hw_with_fixup(hw_regs_t *hw, ide_hwif_t **hwifp, void(*fixup)(i
if (!initializing) {
probe_hwif_init_with_fixup(hwif, fixup);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
}
if (hwifp)
@ -812,9 +806,9 @@ int ide_register_hw_with_fixup(hw_regs_t *hw, ide_hwif_t **hwifp, void(*fixup)(i
EXPORT_SYMBOL(ide_register_hw_with_fixup);
int ide_register_hw(hw_regs_t *hw, ide_hwif_t **hwifp)
int ide_register_hw(hw_regs_t *hw, int initializing, ide_hwif_t **hwifp)
{
return ide_register_hw_with_fixup(hw, hwifp, NULL);
return ide_register_hw_with_fixup(hw, initializing, hwifp, NULL);
}
EXPORT_SYMBOL(ide_register_hw);
@ -825,205 +819,7 @@ EXPORT_SYMBOL(ide_register_hw);
DECLARE_MUTEX(ide_setting_sem);
/**
* __ide_add_setting - add an ide setting option
* @drive: drive to use
* @name: setting name
* @rw: true if the function is read write
* @read_ioctl: function to call on read
* @write_ioctl: function to call on write
* @data_type: type of data
* @min: range minimum
* @max: range maximum
* @mul_factor: multiplication scale
* @div_factor: divison scale
* @data: private data field
* @set: setting
* @auto_remove: setting auto removal flag
*
* Removes the setting named from the device if it is present.
* The function takes the settings_lock to protect against
* parallel changes. This function must not be called from IRQ
* context. Returns 0 on success or -1 on failure.
*
* BUGS: This code is seriously over-engineered. There is also
* magic about how the driver specific features are setup. If
* a driver is attached we assume the driver settings are auto
* remove.
*/
static int __ide_add_setting(ide_drive_t *drive, const char *name, int rw, int read_ioctl, int write_ioctl, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set, int auto_remove)
{
ide_settings_t **p = (ide_settings_t **) &drive->settings, *setting = NULL;
down(&ide_setting_sem);
while ((*p) && strcmp((*p)->name, name) < 0)
p = &((*p)->next);
if ((setting = kzalloc(sizeof(*setting), GFP_KERNEL)) == NULL)
goto abort;
if ((setting->name = kmalloc(strlen(name) + 1, GFP_KERNEL)) == NULL)
goto abort;
strcpy(setting->name, name);
setting->rw = rw;
setting->read_ioctl = read_ioctl;
setting->write_ioctl = write_ioctl;
setting->data_type = data_type;
setting->min = min;
setting->max = max;
setting->mul_factor = mul_factor;
setting->div_factor = div_factor;
setting->data = data;
setting->set = set;
setting->next = *p;
if (auto_remove)
setting->auto_remove = 1;
*p = setting;
up(&ide_setting_sem);
return 0;
abort:
up(&ide_setting_sem);
kfree(setting);
return -1;
}
int ide_add_setting(ide_drive_t *drive, const char *name, int rw, int read_ioctl, int write_ioctl, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set)
{
return __ide_add_setting(drive, name, rw, read_ioctl, write_ioctl, data_type, min, max, mul_factor, div_factor, data, set, 1);
}
EXPORT_SYMBOL(ide_add_setting);
/**
* __ide_remove_setting - remove an ide setting option
* @drive: drive to use
* @name: setting name
*
* Removes the setting named from the device if it is present.
* The caller must hold the setting semaphore.
*/
static void __ide_remove_setting (ide_drive_t *drive, char *name)
{
ide_settings_t **p, *setting;
p = (ide_settings_t **) &drive->settings;
while ((*p) && strcmp((*p)->name, name))
p = &((*p)->next);
if ((setting = (*p)) == NULL)
return;
(*p) = setting->next;
kfree(setting->name);
kfree(setting);
}
/**
* ide_find_setting_by_ioctl - find a drive specific ioctl
* @drive: drive to scan
* @cmd: ioctl command to handle
*
* Scan's the device setting table for a matching entry and returns
* this or NULL if no entry is found. The caller must hold the
* setting semaphore
*/
static ide_settings_t *ide_find_setting_by_ioctl (ide_drive_t *drive, int cmd)
{
ide_settings_t *setting = drive->settings;
while (setting) {
if (setting->read_ioctl == cmd || setting->write_ioctl == cmd)
break;
setting = setting->next;
}
return setting;
}
/**
* ide_find_setting_by_name - find a drive specific setting
* @drive: drive to scan
* @name: setting name
*
* Scan's the device setting table for a matching entry and returns
* this or NULL if no entry is found. The caller must hold the
* setting semaphore
*/
ide_settings_t *ide_find_setting_by_name (ide_drive_t *drive, char *name)
{
ide_settings_t *setting = drive->settings;
while (setting) {
if (strcmp(setting->name, name) == 0)
break;
setting = setting->next;
}
return setting;
}
/**
* auto_remove_settings - remove driver specific settings
* @drive: drive
*
* Automatically remove all the driver specific settings for this
* drive. This function may not be called from IRQ context. The
* caller must hold ide_setting_sem.
*/
static void auto_remove_settings (ide_drive_t *drive)
{
ide_settings_t *setting;
repeat:
setting = drive->settings;
while (setting) {
if (setting->auto_remove) {
__ide_remove_setting(drive, setting->name);
goto repeat;
}
setting = setting->next;
}
}
/**
* ide_read_setting - read an IDE setting
* @drive: drive to read from
* @setting: drive setting
*
* Read a drive setting and return the value. The caller
* must hold the ide_setting_sem when making this call.
*
* BUGS: the data return and error are the same return value
* so an error -EINVAL and true return of the same value cannot
* be told apart
*/
int ide_read_setting (ide_drive_t *drive, ide_settings_t *setting)
{
int val = -EINVAL;
unsigned long flags;
if ((setting->rw & SETTING_READ)) {
spin_lock_irqsave(&ide_lock, flags);
switch(setting->data_type) {
case TYPE_BYTE:
val = *((u8 *) setting->data);
break;
case TYPE_SHORT:
val = *((u16 *) setting->data);
break;
case TYPE_INT:
case TYPE_INTA:
val = *((u32 *) setting->data);
break;
}
spin_unlock_irqrestore(&ide_lock, flags);
}
return val;
}
EXPORT_SYMBOL_GPL(ide_setting_sem);
/**
* ide_spin_wait_hwgroup - wait for group
@ -1058,61 +854,14 @@ int ide_spin_wait_hwgroup (ide_drive_t *drive)
EXPORT_SYMBOL(ide_spin_wait_hwgroup);
/**
* ide_write_setting - read an IDE setting
* @drive: drive to read from
* @setting: drive setting
* @val: value
*
* Write a drive setting if it is possible. The caller
* must hold the ide_setting_sem when making this call.
*
* BUGS: the data return and error are the same return value
* so an error -EINVAL and true return of the same value cannot
* be told apart
*
* FIXME: This should be changed to enqueue a special request
* to the driver to change settings, and then wait on a sema for completion.
* The current scheme of polling is kludgy, though safe enough.
*/
int ide_write_setting (ide_drive_t *drive, ide_settings_t *setting, int val)
int set_io_32bit(ide_drive_t *drive, int arg)
{
int i;
u32 *p;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (!(setting->rw & SETTING_WRITE))
if (drive->no_io_32bit)
return -EPERM;
if (val < setting->min || val > setting->max)
return -EINVAL;
if (setting->set)
return setting->set(drive, val);
if (ide_spin_wait_hwgroup(drive))
return -EBUSY;
switch (setting->data_type) {
case TYPE_BYTE:
*((u8 *) setting->data) = val;
break;
case TYPE_SHORT:
*((u16 *) setting->data) = val;
break;
case TYPE_INT:
*((u32 *) setting->data) = val;
break;
case TYPE_INTA:
p = (u32 *) setting->data;
for (i = 0; i < 1 << PARTN_BITS; i++, p++)
*p = val;
break;
}
spin_unlock_irq(&ide_lock);
return 0;
}
static int set_io_32bit(ide_drive_t *drive, int arg)
{
if (arg < 0 || arg > 1 + (SUPPORT_VLB_SYNC << 1))
return -EINVAL;
drive->io_32bit = arg;
#ifdef CONFIG_BLK_DEV_DTC2278
if (HWIF(drive)->chipset == ide_dtc2278)
@ -1121,12 +870,28 @@ static int set_io_32bit(ide_drive_t *drive, int arg)
return 0;
}
static int set_using_dma (ide_drive_t *drive, int arg)
static int set_ksettings(ide_drive_t *drive, int arg)
{
if (arg < 0 || arg > 1)
return -EINVAL;
if (ide_spin_wait_hwgroup(drive))
return -EBUSY;
drive->keep_settings = arg;
spin_unlock_irq(&ide_lock);
return 0;
}
int set_using_dma(ide_drive_t *drive, int arg)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
ide_hwif_t *hwif = drive->hwif;
int err = -EPERM;
if (arg < 0 || arg > 1)
return -EINVAL;
if (!drive->id || !(drive->id->capability & 1))
goto out;
@ -1159,14 +924,20 @@ static int set_using_dma (ide_drive_t *drive, int arg)
out:
return err;
#else
if (arg < 0 || arg > 1)
return -EINVAL;
return -EPERM;
#endif
}
static int set_pio_mode (ide_drive_t *drive, int arg)
int set_pio_mode(ide_drive_t *drive, int arg)
{
struct request rq;
if (arg < 0 || arg > 255)
return -EINVAL;
if (!HWIF(drive)->tuneproc)
return -ENOSYS;
if (drive->special.b.set_tune)
@ -1178,42 +949,20 @@ static int set_pio_mode (ide_drive_t *drive, int arg)
return 0;
}
static int set_xfer_rate (ide_drive_t *drive, int arg)
static int set_unmaskirq(ide_drive_t *drive, int arg)
{
int err = ide_wait_cmd(drive,
WIN_SETFEATURES, (u8) arg,
SETFEATURES_XFER, 0, NULL);
if (drive->no_unmask)
return -EPERM;
if (!err && arg) {
ide_set_xfer_rate(drive, (u8) arg);
ide_driveid_update(drive);
}
return err;
}
if (arg < 0 || arg > 1)
return -EINVAL;
/**
* ide_add_generic_settings - generic ide settings
* @drive: drive being configured
*
* Add the generic parts of the system settings to the /proc files and
* ioctls for this IDE device. The caller must not be holding the
* ide_setting_sem.
*/
if (ide_spin_wait_hwgroup(drive))
return -EBUSY;
drive->unmask = arg;
spin_unlock_irq(&ide_lock);
void ide_add_generic_settings (ide_drive_t *drive)
{
/*
* drive setting name read/write access read ioctl write ioctl data type min max mul_factor div_factor data pointer set function
*/
__ide_add_setting(drive, "io_32bit", drive->no_io_32bit ? SETTING_READ : SETTING_RW, HDIO_GET_32BIT, HDIO_SET_32BIT, TYPE_BYTE, 0, 1 + (SUPPORT_VLB_SYNC << 1), 1, 1, &drive->io_32bit, set_io_32bit, 0);
__ide_add_setting(drive, "keepsettings", SETTING_RW, HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, TYPE_BYTE, 0, 1, 1, 1, &drive->keep_settings, NULL, 0);
__ide_add_setting(drive, "nice1", SETTING_RW, -1, -1, TYPE_BYTE, 0, 1, 1, 1, &drive->nice1, NULL, 0);
__ide_add_setting(drive, "pio_mode", SETTING_WRITE, -1, HDIO_SET_PIO_MODE, TYPE_BYTE, 0, 255, 1, 1, NULL, set_pio_mode, 0);
__ide_add_setting(drive, "unmaskirq", drive->no_unmask ? SETTING_READ : SETTING_RW, HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, TYPE_BYTE, 0, 1, 1, 1, &drive->unmask, NULL, 0);
__ide_add_setting(drive, "using_dma", SETTING_RW, HDIO_GET_DMA, HDIO_SET_DMA, TYPE_BYTE, 0, 1, 1, 1, &drive->using_dma, set_using_dma, 0);
__ide_add_setting(drive, "init_speed", SETTING_RW, -1, -1, TYPE_BYTE, 0, 70, 1, 1, &drive->init_speed, NULL, 0);
__ide_add_setting(drive, "current_speed", SETTING_RW, -1, -1, TYPE_BYTE, 0, 70, 1, 1, &drive->current_speed, set_xfer_rate, 0);
__ide_add_setting(drive, "number", SETTING_RW, -1, -1, TYPE_BYTE, 0, 3, 1, 1, &drive->dn, NULL, 0);
return 0;
}
/**
@ -1285,27 +1034,23 @@ static int generic_ide_resume(struct device *dev)
int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev,
unsigned int cmd, unsigned long arg)
{
ide_settings_t *setting;
unsigned long flags;
ide_driver_t *drv;
int err = 0;
void __user *p = (void __user *)arg;
int err = 0, (*setfunc)(ide_drive_t *, int);
u8 *val;
down(&ide_setting_sem);
if ((setting = ide_find_setting_by_ioctl(drive, cmd)) != NULL) {
if (cmd == setting->read_ioctl) {
err = ide_read_setting(drive, setting);
up(&ide_setting_sem);
return err >= 0 ? put_user(err, (long __user *)arg) : err;
} else {
if (bdev != bdev->bd_contains)
err = -EINVAL;
else
err = ide_write_setting(drive, setting, arg);
up(&ide_setting_sem);
return err;
}
switch (cmd) {
case HDIO_GET_32BIT: val = &drive->io_32bit; goto read_val;
case HDIO_GET_KEEPSETTINGS: val = &drive->keep_settings; goto read_val;
case HDIO_GET_UNMASKINTR: val = &drive->unmask; goto read_val;
case HDIO_GET_DMA: val = &drive->using_dma; goto read_val;
case HDIO_SET_32BIT: setfunc = set_io_32bit; goto set_val;
case HDIO_SET_KEEPSETTINGS: setfunc = set_ksettings; goto set_val;
case HDIO_SET_PIO_MODE: setfunc = set_pio_mode; goto set_val;
case HDIO_SET_UNMASKINTR: setfunc = set_unmaskirq; goto set_val;
case HDIO_SET_DMA: setfunc = set_using_dma; goto set_val;
}
up(&ide_setting_sem);
switch (cmd) {
case HDIO_OBSOLETE_IDENTITY:
@ -1359,7 +1104,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
ide_init_hwif_ports(&hw, (unsigned long) args[0],
(unsigned long) args[1], NULL);
hw.irq = args[2];
if (ide_register_hw(&hw, NULL) == -1)
if (ide_register_hw(&hw, 0, NULL) == -1)
return -EIO;
return 0;
}
@ -1434,6 +1179,28 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
default:
return -EINVAL;
}
read_val:
down(&ide_setting_sem);
spin_lock_irqsave(&ide_lock, flags);
err = *val;
spin_unlock_irqrestore(&ide_lock, flags);
up(&ide_setting_sem);
return err >= 0 ? put_user(err, (long __user *)arg) : err;
set_val:
if (bdev != bdev->bd_contains)
err = -EINVAL;
else {
if (!capable(CAP_SYS_ADMIN))
err = -EACCES;
else {
down(&ide_setting_sem);
err = setfunc(drive, arg);
up(&ide_setting_sem);
}
}
return err;
}
EXPORT_SYMBOL(generic_ide_ioctl);
@ -1566,13 +1333,13 @@ static int __init ide_setup(char *s)
return 1;
}
#ifdef CONFIG_BLK_DEV_IDEPCI
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
if (!strcmp(s, "ide=reverse")) {
ide_scan_direction = 1;
printk(" : Enabled support for IDE inverse scan order.\n");
return 1;
}
#endif /* CONFIG_BLK_DEV_IDEPCI */
#endif
#ifdef CONFIG_BLK_DEV_IDEACPI
if (!strcmp(s, "ide=noacpi")) {
@ -1832,9 +1599,9 @@ extern void __init h8300_ide_init(void);
*/
static void __init probe_for_hwifs (void)
{
#ifdef CONFIG_BLK_DEV_IDEPCI
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
ide_scan_pcibus(ide_scan_direction);
#endif /* CONFIG_BLK_DEV_IDEPCI */
#endif
#ifdef CONFIG_ETRAX_IDE
{
@ -1892,54 +1659,6 @@ static void __init probe_for_hwifs (void)
#endif
}
void ide_register_subdriver(ide_drive_t *drive, ide_driver_t *driver)
{
#ifdef CONFIG_PROC_FS
ide_add_proc_entries(drive->proc, driver->proc, drive);
#endif
}
EXPORT_SYMBOL(ide_register_subdriver);
/**
* ide_unregister_subdriver - disconnect drive from driver
* @drive: drive to unplug
* @driver: driver
*
* Disconnect a drive from the driver it was attached to and then
* clean up the various proc files and other objects attached to it.
*
* Takes ide_setting_sem and ide_lock.
* Caller must hold none of the locks.
*/
void ide_unregister_subdriver(ide_drive_t *drive, ide_driver_t *driver)
{
unsigned long flags;
#ifdef CONFIG_PROC_FS
ide_remove_proc_entries(drive->proc, driver->proc);
#endif
down(&ide_setting_sem);
spin_lock_irqsave(&ide_lock, flags);
/*
* ide_setting_sem protects the settings list
* ide_lock protects the use of settings
*
* so we need to hold both, ide_settings_sem because we want to
* modify the settings list, and ide_lock because we cannot take
* a setting out that is being used.
*
* OTOH both ide_{read,write}_setting are only ever used under
* ide_setting_sem.
*/
auto_remove_settings(drive);
spin_unlock_irqrestore(&ide_lock, flags);
up(&ide_setting_sem);
}
EXPORT_SYMBOL(ide_unregister_subdriver);
/*
* Probe module
*/
@ -2071,9 +1790,7 @@ static int __init ide_init(void)
init_ide_data();
#ifdef CONFIG_PROC_FS
proc_ide_root = proc_mkdir("ide", NULL);
#endif
proc_ide_create();
#ifdef CONFIG_BLK_DEV_ALI14XX
if (probe_ali14xx)
@ -2096,14 +1813,9 @@ static int __init ide_init(void)
(void)qd65xx_init();
#endif
initializing = 1;
/* Probe for special PCI and other "known" interface chipsets. */
probe_for_hwifs();
initializing = 0;
#ifdef CONFIG_PROC_FS
proc_ide_create();
#endif
return 0;
}
@ -2143,9 +1855,7 @@ void __exit cleanup_module (void)
pnpide_exit();
#endif
#ifdef CONFIG_PROC_FS
proc_ide_destroy();
#endif
bus_unregister(&ide_bus_type);
}

3
drivers/ide/legacy/ali14xx.c
View File

@ -223,7 +223,8 @@ static int __init ali14xx_probe(void)
probe_hwif_init(hwif);
probe_hwif_init(mate);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
ide_proc_register_port(mate);
return 0;
}

2
drivers/ide/legacy/buddha.c
View File

@ -213,7 +213,7 @@ void __init buddha_init(void)
IRQ_AMIGA_PORTS);
}
index = ide_register_hw(&hw, &hwif);
index = ide_register_hw(&hw, 1, &hwif);
if (index != -1) {
hwif->mmio = 1;
printk("ide%d: ", index);

3
drivers/ide/legacy/dtc2278.c
View File

@ -138,7 +138,8 @@ static int __init dtc2278_probe(void)
probe_hwif_init(hwif);
probe_hwif_init(mate);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
ide_proc_register_port(mate);
return 0;
}

2
drivers/ide/legacy/falconide.c
View File

@ -70,7 +70,7 @@ void __init falconide_init(void)
0, 0, NULL,
// falconide_iops,
IRQ_MFP_IDE);
index = ide_register_hw(&hw, NULL);
index = ide_register_hw(&hw, 1, NULL);
if (index != -1)
printk("ide%d: Falcon IDE interface\n", index);

2
drivers/ide/legacy/gayle.c
View File

@ -165,7 +165,7 @@ void __init gayle_init(void)
// &gayle_iops,
IRQ_AMIGA_PORTS);
index = ide_register_hw(&hw, &hwif);
index = ide_register_hw(&hw, 1, &hwif);
if (index != -1) {
hwif->mmio = 1;
switch (i) {

3
drivers/ide/legacy/ht6560b.c
View File

@ -357,7 +357,8 @@ int __init ht6560b_init(void)
probe_hwif_init(hwif);
probe_hwif_init(mate);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
ide_proc_register_port(mate);
return 0;

2
drivers/ide/legacy/ide-cs.c
View File

@ -153,7 +153,7 @@ static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq
hw.irq = irq;
hw.chipset = ide_pci;
hw.dev = &handle->dev;
return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
return ide_register_hw_with_fixup(&hw, 0, NULL, ide_undecoded_slave);
}
/*======================================================================

6
drivers/ide/legacy/macide.c
View File

@ -102,21 +102,21 @@ void macide_init(void)
0, 0, macide_ack_intr,
// quadra_ide_iops,
IRQ_NUBUS_F);
index = ide_register_hw(&hw, &hwif);
index = ide_register_hw(&hw, 1, &hwif);
break;
case MAC_IDE_PB:
ide_setup_ports(&hw, IDE_BASE, macide_offsets,
0, 0, macide_ack_intr,
// macide_pb_iops,
IRQ_NUBUS_C);
index = ide_register_hw(&hw, &hwif);
index = ide_register_hw(&hw, 1, &hwif);
break;
case MAC_IDE_BABOON:
ide_setup_ports(&hw, BABOON_BASE, macide_offsets,
0, 0, NULL,
// macide_baboon_iops,
IRQ_BABOON_1);
index = ide_register_hw(&hw, &hwif);
index = ide_register_hw(&hw, 1, &hwif);
if (index == -1) break;
if (macintosh_config->ident == MAC_MODEL_PB190) {

2
drivers/ide/legacy/q40ide.c
View File

@ -142,7 +142,7 @@ void q40ide_init(void)
0, NULL,
// m68kide_iops,
q40ide_default_irq(pcide_bases[i]));
index = ide_register_hw(&hw, &hwif);
index = ide_register_hw(&hw, 1, &hwif);
// **FIXME**
if (index != -1)
hwif->mmio = 1;

7
drivers/ide/legacy/qd65xx.c
View File

@ -427,7 +427,7 @@ static int __init qd_probe(int base)
qd_setup(hwif, base, config, QD6500_DEF_DATA, QD6500_DEF_DATA,
&qd6500_tune_drive);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
return 1;
}
@ -459,7 +459,7 @@ static int __init qd_probe(int base)
&qd6580_tune_drive);
qd_write_reg(QD_DEF_CONTR,QD_CONTROL_PORT);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
return 1;
} else {
@ -479,7 +479,8 @@ static int __init qd_probe(int base)
&qd6580_tune_drive);
qd_write_reg(QD_DEF_CONTR,QD_CONTROL_PORT);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
ide_proc_register_port(mate);
return 0; /* no other qd65xx possible */
}

3
drivers/ide/legacy/umc8672.c
View File

@ -160,7 +160,8 @@ static int __init umc8672_probe(void)
probe_hwif_init(hwif);
probe_hwif_init(mate);
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
ide_proc_register_port(mate);
return 0;
}

3
drivers/ide/mips/au1xxx-ide.c
View File

@ -760,6 +760,9 @@ static int au_ide_probe(struct device *dev)
#endif
probe_hwif_init(hwif);
ide_proc_register_port(hwif);
dev_set_drvdata(dev, hwif);
printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );

3
drivers/ide/mips/swarm.c
View File

@ -129,6 +129,9 @@ static int __devinit swarm_ide_probe(struct device *dev)
hwif->irq = hwif->hw.irq;
probe_hwif_init(hwif);
ide_proc_register_port(hwif);
dev_set_drvdata(dev, hwif);
return 0;

62
drivers/ide/pci/aec62xx.c
View File

@ -87,38 +87,12 @@ static u8 pci_bus_clock_list_ultra (u8 speed, struct chipset_bus_clock_list_entr
return chipset_table->ultra_settings;
}
static u8 aec62xx_ratemask (ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
u8 mode;
switch(hwif->pci_dev->device) {
case PCI_DEVICE_ID_ARTOP_ATP865:
case PCI_DEVICE_ID_ARTOP_ATP865R:
mode = (inb(hwif->channel ?
hwif->mate->dma_status :
hwif->dma_status) & 0x10) ? 4 : 3;
break;
case PCI_DEVICE_ID_ARTOP_ATP860:
case PCI_DEVICE_ID_ARTOP_ATP860R:
mode = 2;
break;
case PCI_DEVICE_ID_ARTOP_ATP850UF:
default:
return 1;
}
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
static int aec6210_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u16 d_conf = 0;
u8 speed = ide_rate_filter(aec62xx_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
u8 ultra = 0, ultra_conf = 0;
u8 tmp0 = 0, tmp1 = 0, tmp2 = 0;
unsigned long flags;
@ -145,7 +119,7 @@ static int aec6260_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 speed = ide_rate_filter(aec62xx_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
u8 unit = (drive->select.b.unit & 0x01);
u8 tmp1 = 0, tmp2 = 0;
u8 ultra = 0, drive_conf = 0, ultra_conf = 0;
@ -181,17 +155,6 @@ static int aec62xx_tune_chipset (ide_drive_t *drive, u8 speed)
}
}
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, aec62xx_ratemask(drive));
if (!(speed))
return 0;
(void) aec62xx_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
static void aec62xx_tune_drive (ide_drive_t *drive, u8 pio)
{
pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
@ -200,7 +163,7 @@ static void aec62xx_tune_drive (ide_drive_t *drive, u8 pio)
static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive)
{
if (ide_use_dma(drive) && config_chipset_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive))
@ -261,11 +224,13 @@ static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const ch
static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
{
struct pci_dev *dev = hwif->pci_dev;
hwif->autodma = 0;
hwif->tuneproc = &aec62xx_tune_drive;
hwif->speedproc = &aec62xx_tune_chipset;
if (hwif->pci_dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
hwif->serialized = hwif->channel;
if (hwif->mate)
@ -277,7 +242,15 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
return;
}
hwif->ultra_mask = 0x7f;
hwif->ultra_mask = hwif->cds->udma_mask;
/* atp865 and atp865r */
if (hwif->ultra_mask == 0x3f) {
/* check bit 0x10 of DMA status register */
if (inb(pci_resource_start(dev, 4) + 2) & 0x10)
hwif->ultra_mask = 0x7f; /* udma0-6 */
}
hwif->mwdma_mask = 0x07;
hwif->ide_dma_check = &aec62xx_config_drive_xfer_rate;
@ -344,6 +317,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
.udma_mask = 0x07, /* udma0-2 */
},{ /* 1 */
.name = "AEC6260",
.init_setup = init_setup_aec62xx,
@ -353,6 +327,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.channels = 2,
.autodma = NOAUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 2 */
.name = "AEC6260R",
.init_setup = init_setup_aec62xx,
@ -363,6 +338,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = NEVER_BOARD,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 3 */
.name = "AEC6X80",
.init_setup = init_setup_aec6x80,
@ -372,6 +348,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x3f, /* udma0-5 */
},{ /* 4 */
.name = "AEC6X80R",
.init_setup = init_setup_aec6x80,
@ -382,6 +359,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
.udma_mask = 0x3f, /* udma0-5 */
}
};

97
drivers/ide/pci/alim15x3.c
View File

@ -50,7 +50,7 @@ static u8 m5229_revision;
static u8 chip_is_1543c_e;
static struct pci_dev *isa_dev;
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -278,7 +278,7 @@ static int ali_get_info (char *buffer, char **addr, off_t offset, int count)
return p-buffer; /* => must be less than 4k! */
}
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS) */
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
/**
* ali15x3_tune_pio - set up chipset for PIO mode
@ -378,74 +378,31 @@ static void ali15x3_tune_drive (ide_drive_t *drive, u8 pio)
}
/**
* ali15x3_can_ultra - check for ultra DMA support
* @drive: drive to do the check
* ali_udma_filter - compute UDMA mask
* @drive: IDE device
*
* Check the drive and controller revisions. Return 0 if UDMA is
* not available, or 1 if UDMA can be used. The actual rules for
* the ALi are
* Return available UDMA modes.
*
* The actual rules for the ALi are:
* No UDMA on revisions <= 0x20
* Disk only for revisions < 0xC2
* Not WDC drives for revisions < 0xC2
*
* FIXME: WDC ifdef needs to die
*/
static u8 ali15x3_can_ultra (ide_drive_t *drive)
static u8 ali_udma_filter(ide_drive_t *drive)
{
if (m5229_revision > 0x20 && m5229_revision < 0xC2) {
if (drive->media != ide_disk)
return 0;
#ifndef CONFIG_WDC_ALI15X3
struct hd_driveid *id = drive->id;
#endif /* CONFIG_WDC_ALI15X3 */
if (m5229_revision <= 0x20) {
return 0;
} else if ((m5229_revision < 0xC2) &&
#ifndef CONFIG_WDC_ALI15X3
((chip_is_1543c_e && strstr(id->model, "WDC ")) ||
(drive->media!=ide_disk))) {
#else /* CONFIG_WDC_ALI15X3 */
(drive->media!=ide_disk)) {
#endif /* CONFIG_WDC_ALI15X3 */
return 0;
} else {
return 1;
}
}
/**
* ali15x3_ratemask - generate DMA mode list
* @drive: drive to compute against
*
* Generate a list of the available DMA modes for the drive.
* FIXME: this function contains lots of bogus masking we can dump
*
* Return the highest available mode (UDMA33, UDMA66, UDMA100,..)
*/
static u8 ali15x3_ratemask (ide_drive_t *drive)
{
u8 mode = 0, can_ultra = ali15x3_can_ultra(drive);
if (m5229_revision > 0xC4 && can_ultra) {
mode = 4;
} else if (m5229_revision == 0xC4 && can_ultra) {
mode = 3;
} else if (m5229_revision >= 0xC2 && can_ultra) {
mode = 2;
} else if (can_ultra) {
return 1;
} else {
return 0;
if (chip_is_1543c_e && strstr(drive->id->model, "WDC "))
return 0;
#endif
}
/*
* If the drive sees no suitable cable then UDMA 33
* is the highest permitted mode
*/
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
return drive->hwif->ultra_mask;
}
/**
@ -461,7 +418,7 @@ static int ali15x3_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 speed = ide_rate_filter(ali15x3_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
u8 speed1 = speed;
u8 unit = (drive->select.b.unit & 0x01);
u8 tmpbyte = 0x00;
@ -511,7 +468,7 @@ static int ali15x3_tune_chipset (ide_drive_t *drive, u8 xferspeed)
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, ali15x3_ratemask(drive));
u8 speed = ide_max_dma_mode(drive);
if (!(speed))
return 0;
@ -609,13 +566,13 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c
isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
if (!ali_proc) {
ali_proc = 1;
bmide_dev = dev;
ide_pci_create_host_proc("ali", ali_get_info);
}
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS) */
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
local_irq_save(flags);
@ -771,6 +728,7 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
hwif->autodma = 0;
hwif->tuneproc = &ali15x3_tune_drive;
hwif->speedproc = &ali15x3_tune_chipset;
hwif->udma_filter = &ali_udma_filter;
/* don't use LBA48 DMA on ALi devices before rev 0xC5 */
hwif->no_lba48_dma = (m5229_revision <= 0xC4) ? 1 : 0;
@ -783,8 +741,17 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
hwif->atapi_dma = 1;
if (m5229_revision > 0x20)
hwif->ultra_mask = 0x7f;
if (m5229_revision <= 0x20)
hwif->ultra_mask = 0x00; /* no udma */
else if (m5229_revision < 0xC2)
hwif->ultra_mask = 0x07; /* udma0-2 */
else if (m5229_revision == 0xC2 || m5229_revision == 0xC3)
hwif->ultra_mask = 0x1f; /* udma0-4 */
else if (m5229_revision == 0xC4)
hwif->ultra_mask = 0x3f; /* udma0-5 */
else
hwif->ultra_mask = 0x7f; /* udma0-6 */
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;

6
drivers/ide/pci/amd74xx.c
View File

@ -92,7 +92,7 @@ static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3
* AMD /proc entry.
*/
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -402,14 +402,14 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
* Register /proc/ide/amd74xx entry
*/
#if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
if (!amd74xx_proc) {
amd_base = pci_resource_start(dev, 4);
bmide_dev = dev;
ide_pci_create_host_proc("amd74xx", amd74xx_get_info);
amd74xx_proc = 1;
}
#endif /* DISPLAY_AMD_TIMINGS && CONFIG_PROC_FS */
#endif /* DISPLAY_AMD_TIMINGS && CONFIG_IDE_PROC_FS */
return dev->irq;
}

40
drivers/ide/pci/atiixp.c
View File

@ -48,22 +48,6 @@ static int save_mdma_mode[4];
static DEFINE_SPINLOCK(atiixp_lock);
/**
* atiixp_ratemask - compute rate mask for ATIIXP IDE
* @drive: IDE drive to compute for
*
* Returns the available modes for the ATIIXP IDE controller.
*/
static u8 atiixp_ratemask(ide_drive_t *drive)
{
u8 mode = 3;
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
/**
* atiixp_dma_2_pio - return the PIO mode matching DMA
* @xfer_rate: transfer speed
@ -189,7 +173,7 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
u16 tmp16;
u8 speed, pio;
speed = ide_rate_filter(atiixp_ratemask(drive), xferspeed);
speed = ide_rate_filter(drive, xferspeed);
spin_lock_irqsave(&atiixp_lock, flags);
@ -222,26 +206,6 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
return ide_config_drive_speed(drive, speed);
}
/**
* atiixp_config_drive_for_dma - configure drive for DMA
* @drive: IDE drive to configure
*
* Set up a ATIIXP interface channel for the best available speed.
* We prefer UDMA if it is available and then MWDMA. If DMA is
* not available we switch to PIO and return 0.
*/
static int atiixp_config_drive_for_dma(ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, atiixp_ratemask(drive));
if (!speed)
return 0;
(void) atiixp_speedproc(drive, speed);
return ide_dma_enable(drive);
}
/**
* atiixp_dma_check - set up an IDE device
* @drive: IDE drive to configure
@ -256,7 +220,7 @@ static int atiixp_dma_check(ide_drive_t *drive)
drive->init_speed = 0;
if (ide_use_dma(drive) && atiixp_config_drive_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive)) {

90
drivers/ide/pci/cmd64x.c
View File

@ -74,7 +74,7 @@
#define UDIDETCR1 0x7B
#define DTPR1 0x7C
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -165,7 +165,7 @@ static int cmd64x_get_info (char *buffer, char **addr, off_t offset, int count)
return p-buffer; /* => must be less than 4k! */
}
#endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS) */
#endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
static u8 quantize_timing(int timing, int quant)
{
@ -292,55 +292,6 @@ static void cmd64x_tune_drive (ide_drive_t *drive, u8 pio)
(void) ide_config_drive_speed(drive, XFER_PIO_0 + pio);
}
static u8 cmd64x_ratemask (ide_drive_t *drive)
{
struct pci_dev *dev = HWIF(drive)->pci_dev;
u8 mode = 0;
switch(dev->device) {
case PCI_DEVICE_ID_CMD_649:
mode = 3;
break;
case PCI_DEVICE_ID_CMD_648:
mode = 2;
break;
case PCI_DEVICE_ID_CMD_643:
return 0;
case PCI_DEVICE_ID_CMD_646:
{
unsigned int class_rev = 0;
pci_read_config_dword(dev,
PCI_CLASS_REVISION, &class_rev);
class_rev &= 0xff;
/*
* UltraDMA only supported on PCI646U and PCI646U2, which
* correspond to revisions 0x03, 0x05 and 0x07 respectively.
* Actually, although the CMD tech support people won't
* tell me the details, the 0x03 revision cannot support
* UDMA correctly without hardware modifications, and even
* then it only works with Quantum disks due to some
* hold time assumptions in the 646U part which are fixed
* in the 646U2.
*
* So we only do UltraDMA on revision 0x05 and 0x07 chipsets.
*/
switch(class_rev) {
case 0x07:
case 0x05:
return 1;
case 0x03:
case 0x01:
default:
return 0;
}
}
}
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
static int cmd64x_tune_chipset (ide_drive_t *drive, u8 speed)
{
ide_hwif_t *hwif = HWIF(drive);
@ -348,7 +299,7 @@ static int cmd64x_tune_chipset (ide_drive_t *drive, u8 speed)
u8 unit = drive->dn & 0x01;
u8 regU = 0, pciU = hwif->channel ? UDIDETCR1 : UDIDETCR0;
speed = ide_rate_filter(cmd64x_ratemask(drive), speed);
speed = ide_rate_filter(drive, speed);
if (speed >= XFER_SW_DMA_0) {
(void) pci_read_config_byte(dev, pciU, &regU);
@ -403,7 +354,7 @@ static int cmd64x_tune_chipset (ide_drive_t *drive, u8 speed)
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, cmd64x_ratemask(drive));
u8 speed = ide_max_dma_mode(drive);
if (!speed)
return 0;
@ -597,7 +548,7 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
(void) pci_write_config_byte(dev, UDIDETCR0, 0xf0);
#endif /* CONFIG_PPC */
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
cmd_devs[n_cmd_devs++] = dev;
@ -605,7 +556,7 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
cmd64x_proc = 1;
ide_pci_create_host_proc("cmd64x", cmd64x_get_info);
}
#endif /* DISPLAY_CMD64X_TIMINGS && CONFIG_PROC_FS */
#endif /* DISPLAY_CMD64X_TIMINGS && CONFIG_IDE_PROC_FS */
return 0;
}
@ -644,15 +595,24 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif)
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x3f;
hwif->mwdma_mask = 0x07;
hwif->ultra_mask = hwif->cds->udma_mask;
if (dev->device == PCI_DEVICE_ID_CMD_643)
hwif->ultra_mask = 0x80;
if (dev->device == PCI_DEVICE_ID_CMD_646)
hwif->ultra_mask = (class_rev > 0x04) ? 0x07 : 0x80;
if (dev->device == PCI_DEVICE_ID_CMD_648)
hwif->ultra_mask = 0x1f;
/*
* UltraDMA only supported on PCI646U and PCI646U2, which
* correspond to revisions 0x03, 0x05 and 0x07 respectively.
* Actually, although the CMD tech support people won't
* tell me the details, the 0x03 revision cannot support
* UDMA correctly without hardware modifications, and even
* then it only works with Quantum disks due to some
* hold time assumptions in the 646U part which are fixed
* in the 646U2.
*
* So we only do UltraDMA on revision 0x05 and 0x07 chipsets.
*/
if (dev->device == PCI_DEVICE_ID_CMD_646 && class_rev < 5)
hwif->ultra_mask = 0x00;
hwif->mwdma_mask = 0x07;
hwif->ide_dma_check = &cmd64x_config_drive_for_dma;
if (!(hwif->udma_four))
@ -716,6 +676,7 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x00,0x00,0x00}, {0x51,0x08,0x08}},
.bootable = ON_BOARD,
.udma_mask = 0x00, /* no udma */
},{ /* 1 */
.name = "CMD646",
.init_setup = init_setup_cmd646,
@ -725,6 +686,7 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
.bootable = ON_BOARD,
.udma_mask = 0x07, /* udma0-2 */
},{ /* 2 */
.name = "CMD648",
.init_setup = init_setup_cmd64x,
@ -734,6 +696,7 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
.bootable = ON_BOARD,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 3 */
.name = "CMD649",
.init_setup = init_setup_cmd64x,
@ -743,6 +706,7 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
.bootable = ON_BOARD,
.udma_mask = 0x3f, /* udma0-5 */
}
};

20
drivers/ide/pci/cs5520.c
View File

@ -213,6 +213,7 @@ static ide_pci_device_t cyrix_chipsets[] __devinitdata = {
static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
ide_hwif_t *hwif = NULL, *mate = NULL;
ata_index_t index;
ide_pci_device_t *d = &cyrix_chipsets[id->driver_data];
@ -239,10 +240,21 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic
ide_pci_setup_ports(dev, d, 14, &index);
if((index.b.low & 0xf0) != 0xf0)
probe_hwif_init(&ide_hwifs[index.b.low]);
if((index.b.high & 0xf0) != 0xf0)
probe_hwif_init(&ide_hwifs[index.b.high]);
if ((index.b.low & 0xf0) != 0xf0)
hwif = &ide_hwifs[index.b.low];
if ((index.b.high & 0xf0) != 0xf0)
mate = &ide_hwifs[index.b.high];
if (hwif)
probe_hwif_init(hwif);
if (mate)
probe_hwif_init(mate);
if (hwif)
ide_proc_register_port(hwif);
if (mate)
ide_proc_register_port(mate);
return 0;
}

33
drivers/ide/pci/cs5535.c
View File

@ -127,20 +127,6 @@ static void cs5535_set_speed(ide_drive_t *drive, u8 speed)
}
}
static u8 cs5535_ratemask(ide_drive_t *drive)
{
/* eighty93 will return 1 if it's 80core and capable of
exceeding udma2, 0 otherwise. we need ratemask to set
the max speed and if we can > udma2 then we return 2
which selects speed_max as udma4 which is the 5535's max
speed, and 1 selects udma2 which is the max for 40c */
if (!eighty_ninty_three(drive))
return 1;
return 2;
}
/****
* cs5535_set_drive - Configure the drive to the new speed
* @drive: Drive to set up
@ -151,7 +137,7 @@ static u8 cs5535_ratemask(ide_drive_t *drive)
*/
static int cs5535_set_drive(ide_drive_t *drive, u8 speed)
{
speed = ide_rate_filter(cs5535_ratemask(drive), speed);
speed = ide_rate_filter(drive, speed);
ide_config_drive_speed(drive, speed);
cs5535_set_speed(drive, speed);
@ -178,28 +164,13 @@ static void cs5535_tuneproc(ide_drive_t *drive, u8 xferspeed)
cs5535_set_speed(drive, xferspeed);
}
static int cs5535_config_drive_for_dma(ide_drive_t *drive)
{
u8 speed;
speed = ide_dma_speed(drive, cs5535_ratemask(drive));
/* If no DMA speed was available then let dma_check hit pio */
if (!speed) {
return 0;
}
cs5535_set_drive(drive, speed);
return ide_dma_enable(drive);
}
static int cs5535_dma_check(ide_drive_t *drive)
{
u8 speed;
drive->init_speed = 0;
if (ide_use_dma(drive) && cs5535_config_drive_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive)) {

2
drivers/ide/pci/delkin_cb.c
View File

@ -80,7 +80,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
hw.irq = dev->irq;
hw.chipset = ide_pci; /* this enables IRQ sharing */
rc = ide_register_hw_with_fixup(&hw, &hwif, ide_undecoded_slave);
rc = ide_register_hw_with_fixup(&hw, 0, &hwif, ide_undecoded_slave);
if (rc < 0) {
printk(KERN_ERR "delkin_cb: ide_register_hw failed (%d)\n", rc);
pci_disable_device(dev);

27
drivers/ide/pci/hpt34x.c
View File

@ -43,15 +43,10 @@
#define HPT343_DEBUG_DRIVE_INFO 0
static u8 hpt34x_ratemask (ide_drive_t *drive)
{
return 1;
}
static int hpt34x_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
struct pci_dev *dev = HWIF(drive)->pci_dev;
u8 speed = ide_rate_filter(hpt34x_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
u8 hi_speed, lo_speed;
@ -89,29 +84,11 @@ static void hpt34x_tune_drive (ide_drive_t *drive, u8 pio)
(void) hpt34x_tune_chipset(drive, (XFER_PIO_0 + pio));
}
/*
* This allows the configuration of ide_pci chipset registers
* for cards that learn about the drive's UDMA, DMA, PIO capabilities
* after the drive is reported by the OS. Initially for designed for
* HPT343 UDMA chipset by HighPoint|Triones Technologies, Inc.
*/
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, hpt34x_ratemask(drive));
if (!(speed))
return 0;
(void) hpt34x_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
static int hpt34x_config_drive_xfer_rate (ide_drive_t *drive)
{
drive->init_speed = 0;
if (ide_use_dma(drive) && config_chipset_for_dma(drive))
if (ide_tune_dma(drive))
#ifndef CONFIG_HPT34X_AUTODMA
return -1;
#else

85
drivers/ide/pci/hpt366.c
View File

@ -514,43 +514,31 @@ static int check_in_drive_list(ide_drive_t *drive, const char **list)
return 0;
}
static u8 hpt3xx_ratemask(ide_drive_t *drive)
{
struct hpt_info *info = pci_get_drvdata(HWIF(drive)->pci_dev);
u8 mode = info->max_mode;
if (!eighty_ninty_three(drive) && mode)
mode = min(mode, (u8)1);
return mode;
}
/*
* Note for the future; the SATA hpt37x we must set
* either PIO or UDMA modes 0,4,5
*/
static u8 hpt3xx_ratefilter(ide_drive_t *drive, u8 speed)
static u8 hpt3xx_udma_filter(ide_drive_t *drive)
{
struct hpt_info *info = pci_get_drvdata(HWIF(drive)->pci_dev);
u8 chip_type = info->chip_type;
u8 mode = hpt3xx_ratemask(drive);
if (drive->media != ide_disk)
return min(speed, (u8)XFER_PIO_4);
u8 mode = info->max_mode;
u8 mask;
switch (mode) {
case 0x04:
speed = min_t(u8, speed, XFER_UDMA_6);
mask = 0x7f;
break;
case 0x03:
speed = min_t(u8, speed, XFER_UDMA_5);
mask = 0x3f;
if (chip_type >= HPT374)
break;
if (!check_in_drive_list(drive, bad_ata100_5))
goto check_bad_ata33;
/* fall thru */
case 0x02:
speed = min_t(u8, speed, XFER_UDMA_4);
mask = 0x1f;
/*
* CHECK ME, Does this need to be changed to HPT374 ??
@ -561,13 +549,13 @@ static u8 hpt3xx_ratefilter(ide_drive_t *drive, u8 speed)
!check_in_drive_list(drive, bad_ata66_4))
goto check_bad_ata33;
speed = min_t(u8, speed, XFER_UDMA_3);
mask = 0x0f;
if (HPT366_ALLOW_ATA66_3 &&
!check_in_drive_list(drive, bad_ata66_3))
goto check_bad_ata33;
/* fall thru */
case 0x01:
speed = min_t(u8, speed, XFER_UDMA_2);
mask = 0x07;
check_bad_ata33:
if (chip_type >= HPT370A)
@ -577,10 +565,10 @@ static u8 hpt3xx_ratefilter(ide_drive_t *drive, u8 speed)
/* fall thru */
case 0x00:
default:
speed = min_t(u8, speed, XFER_MW_DMA_2);
mask = 0x00;
break;
}
return speed;
return mask;
}
static u32 get_speed_setting(u8 speed, struct hpt_info *info)
@ -608,12 +596,19 @@ static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
struct hpt_info *info = pci_get_drvdata(dev);
u8 speed = hpt3xx_ratefilter(drive, xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
u8 itr_addr = drive->dn ? 0x44 : 0x40;
u32 itr_mask = speed < XFER_MW_DMA_0 ? 0x30070000 :
(speed < XFER_UDMA_0 ? 0xc0070000 : 0xc03800ff);
u32 new_itr = get_speed_setting(speed, info);
u32 old_itr = 0;
u32 itr_mask, new_itr;
/* TODO: move this to ide_rate_filter() [ check ->atapi_dma ] */
if (drive->media != ide_disk)
speed = min_t(u8, speed, XFER_PIO_4);
itr_mask = speed < XFER_MW_DMA_0 ? 0x30070000 :
(speed < XFER_UDMA_0 ? 0xc0070000 : 0xc03800ff);
new_itr = get_speed_setting(speed, info);
/*
* Disable on-chip PIO FIFO/buffer (and PIO MST mode as well)
@ -633,12 +628,19 @@ static int hpt37x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
struct hpt_info *info = pci_get_drvdata(dev);
u8 speed = hpt3xx_ratefilter(drive, xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
u8 itr_addr = 0x40 + (drive->dn * 4);
u32 itr_mask = speed < XFER_MW_DMA_0 ? 0x303c0000 :
(speed < XFER_UDMA_0 ? 0xc03c0000 : 0xc1c001ff);
u32 new_itr = get_speed_setting(speed, info);
u32 old_itr = 0;
u32 itr_mask, new_itr;
/* TODO: move this to ide_rate_filter() [ check ->atapi_dma ] */
if (drive->media != ide_disk)
speed = min_t(u8, speed, XFER_PIO_4);
itr_mask = speed < XFER_MW_DMA_0 ? 0x303c0000 :
(speed < XFER_UDMA_0 ? 0xc03c0000 : 0xc1c001ff);
new_itr = get_speed_setting(speed, info);
pci_read_config_dword(dev, itr_addr, &old_itr);
new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask);
@ -667,24 +669,6 @@ static void hpt3xx_tune_drive(ide_drive_t *drive, u8 pio)
(void) hpt3xx_tune_chipset (drive, XFER_PIO_0 + pio);
}
/*
* This allows the configuration of ide_pci chipset registers
* for cards that learn about the drive's UDMA, DMA, PIO capabilities
* after the drive is reported by the OS. Initially designed for
* HPT366 UDMA chipset by HighPoint|Triones Technologies, Inc.
*
*/
static int config_chipset_for_dma(ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, hpt3xx_ratemask(drive));
if (!speed)
return 0;
(void) hpt3xx_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
static int hpt3xx_quirkproc(ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;
@ -739,7 +723,7 @@ static int hpt366_config_drive_xfer_rate(ide_drive_t *drive)
{
drive->init_speed = 0;
if (ide_use_dma(drive) && config_chipset_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive))
@ -1271,6 +1255,7 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
hwif->intrproc = &hpt3xx_intrproc;
hwif->maskproc = &hpt3xx_maskproc;
hwif->busproc = &hpt3xx_busproc;
hwif->udma_filter = &hpt3xx_udma_filter;
/*
* HPT3xxN chips have some complications:

39
drivers/ide/pci/it8213.c
View File

@ -17,22 +17,6 @@
#include <asm/io.h>
/*
* it8213_ratemask - Compute available modes
* @drive: IDE drive
*
* Compute the available speeds for the devices on the interface. This
* is all modes to ATA133 clipped by drive cable setup.
*/
static u8 it8213_ratemask (ide_drive_t *drive)
{
u8 mode = 4;
if (!eighty_ninty_three(drive))
mode = min_t(u8, mode, 1);
return mode;
}
/**
* it8213_dma_2_pio - return the PIO mode matching DMA
* @xfer_rate: transfer speed
@ -145,7 +129,7 @@ static int it8213_tune_chipset (ide_drive_t *drive, u8 xferspeed)
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 maslave = 0x40;
u8 speed = ide_rate_filter(it8213_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
int a_speed = 3 << (drive->dn * 4);
int u_flag = 1 << drive->dn;
int v_flag = 0x01 << drive->dn;
@ -213,25 +197,6 @@ static int it8213_tune_chipset (ide_drive_t *drive, u8 xferspeed)
return ide_config_drive_speed(drive, speed);
}
/*
* config_chipset_for_dma - configure for DMA
* @drive: drive to configure
*
* Called by the IDE layer when it wants the timings set up.
*/
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, it8213_ratemask(drive));
if (!speed)
return 0;
it8213_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
/**
* it8213_configure_drive_for_dma - set up for DMA transfers
* @drive: drive we are going to set up
@ -246,7 +211,7 @@ static int it8213_config_drive_for_dma (ide_drive_t *drive)
{
u8 pio;
if (ide_use_dma(drive) && config_chipset_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
pio = ide_get_best_pio_mode(drive, 255, 4, NULL);

20
drivers/ide/pci/it821x.c
View File

@ -228,22 +228,6 @@ static void it821x_clock_strategy(ide_drive_t *drive)
}
}
/**
* it821x_ratemask - Compute available modes
* @drive: IDE drive
*
* Compute the available speeds for the devices on the interface. This
* is all modes to ATA133 clipped by drive cable setup.
*/
static u8 it821x_ratemask (ide_drive_t *drive)
{
u8 mode = 4;
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
/**
* it821x_tunepio - tune a drive
* @drive: drive to tune
@ -438,7 +422,7 @@ static int it821x_tune_chipset (ide_drive_t *drive, byte xferspeed)
ide_hwif_t *hwif = drive->hwif;
struct it821x_dev *itdev = ide_get_hwifdata(hwif);
u8 speed = ide_rate_filter(it821x_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
switch (speed) {
case XFER_PIO_4:
@ -488,7 +472,7 @@ static int it821x_tune_chipset (ide_drive_t *drive, byte xferspeed)
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, it821x_ratemask(drive));
u8 speed = ide_max_dma_mode(drive);
if (speed == 0)
return 0;

40
drivers/ide/pci/jmicron.c
View File

@ -21,22 +21,6 @@ typedef enum {
PORT_SATA = 2,
} port_type;
/**
* jmicron_ratemask - Compute available modes
* @drive: IDE drive
*
* Compute the available speeds for the devices on the interface. This
* is all modes to ATA133 clipped by drive cable setup.
*/
static u8 jmicron_ratemask(ide_drive_t *drive)
{
u8 mode = 4;
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
/**
* ata66_jmicron - Cable check
* @hwif: IDE port
@ -129,31 +113,11 @@ static void config_jmicron_chipset_for_pio (ide_drive_t *drive, byte set_speed)
static int jmicron_tune_chipset (ide_drive_t *drive, byte xferspeed)
{
u8 speed = ide_rate_filter(jmicron_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
return ide_config_drive_speed(drive, speed);
}
/**
* config_chipset_for_dma - configure for DMA
* @drive: drive to configure
*
* As the JMicron snoops for timings all we actually need to do is
* make sure we don't set an invalid mode.
*/
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, jmicron_ratemask(drive));
if (!speed)
return 0;
jmicron_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
/**
* jmicron_configure_drive_for_dma - set up for DMA transfers
* @drive: drive we are going to set up
@ -164,7 +128,7 @@ static int config_chipset_for_dma (ide_drive_t *drive)
static int jmicron_config_drive_for_dma (ide_drive_t *drive)
{
if (ide_use_dma(drive) && config_chipset_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
config_jmicron_chipset_for_pio(drive, 1);

40
drivers/ide/pci/pdc202xx_new.c
View File

@ -37,8 +37,6 @@
#include <asm/pci-bridge.h>
#endif
#define PDC202_DEBUG_CABLE 0
#undef DEBUG
#ifdef DEBUG
@ -82,16 +80,6 @@ static u8 max_dma_rate(struct pci_dev *pdev)
return mode;
}
static u8 pdcnew_ratemask(ide_drive_t *drive)
{
u8 mode = max_dma_rate(HWIF(drive)->pci_dev);
if (!eighty_ninty_three(drive))
mode = min_t(u8, mode, 1);
return mode;
}
/**
* get_indexed_reg - Get indexed register
* @hwif: for the port address
@ -164,7 +152,7 @@ static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed)
u8 adj = (drive->dn & 1) ? 0x08 : 0x00;
int err;
speed = ide_rate_filter(pdcnew_ratemask(drive), speed);
speed = ide_rate_filter(drive, speed);
/*
* Issue SETFEATURES_XFER to the drive first. PDC202xx hardware will
@ -244,17 +232,8 @@ static int config_chipset_for_dma(ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;
ide_hwif_t *hwif = HWIF(drive);
u8 ultra_66 = (id->dma_ultra & 0x0078) ? 1 : 0;
u8 cable = pdcnew_cable_detect(hwif);
u8 speed;
if (ultra_66 && cable) {
printk(KERN_WARNING "Warning: %s channel "
"requires an 80-pin cable for operation.\n",
hwif->channel ? "Secondary" : "Primary");
printk(KERN_WARNING "%s reduced to Ultra33 mode.\n", drive->name);
}
if (id->capability & 4) {
/*
* Set IORDY_EN & PREFETCH_EN (this seems to have
@ -267,7 +246,7 @@ static int config_chipset_for_dma(ide_drive_t *drive)
set_indexed_reg(hwif, 0x13 + adj, tmp | 0x03);
}
speed = ide_dma_speed(drive, pdcnew_ratemask(drive));
speed = ide_max_dma_mode(drive);
if (!speed)
return 0;
@ -543,7 +522,8 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
hwif->err_stops_fifo = 1;
@ -556,11 +536,6 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
if (!noautodma)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
#if PDC202_DEBUG_CABLE
printk(KERN_DEBUG "%s: %s-pin cable\n",
hwif->name, hwif->udma_four ? "80" : "40");
#endif /* PDC202_DEBUG_CABLE */
}
static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d)
@ -619,6 +594,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x3f, /* udma0-5 */
},{ /* 1 */
.name = "PDC20269",
.init_setup = init_setup_pdcnew,
@ -627,6 +603,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x7f, /* udma0-6*/
},{ /* 2 */
.name = "PDC20270",
.init_setup = init_setup_pdc20270,
@ -635,6 +612,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x3f, /* udma0-5 */
},{ /* 3 */
.name = "PDC20271",
.init_setup = init_setup_pdcnew,
@ -643,6 +621,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x7f, /* udma0-6*/
},{ /* 4 */
.name = "PDC20275",
.init_setup = init_setup_pdcnew,
@ -651,6 +630,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x7f, /* udma0-6*/
},{ /* 5 */
.name = "PDC20276",
.init_setup = init_setup_pdc20276,
@ -659,6 +639,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x7f, /* udma0-6*/
},{ /* 6 */
.name = "PDC20277",
.init_setup = init_setup_pdcnew,
@ -667,6 +648,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.udma_mask = 0x7f, /* udma0-6*/
}
};

54
drivers/ide/pci/pdc202xx_old.c
View File

@ -46,7 +46,6 @@
#include <asm/io.h>
#include <asm/irq.h>
#define PDC202_DEBUG_CABLE 0
#define PDC202XX_DEBUG_DRIVE_INFO 0
static const char *pdc_quirk_drives[] = {
@ -101,35 +100,12 @@ static const char *pdc_quirk_drives[] = {
#define MC1 0x02 /* DMA"C" timing */
#define MC0 0x01 /* DMA"C" timing */
static u8 pdc202xx_ratemask (ide_drive_t *drive)
{
u8 mode;
switch(HWIF(drive)->pci_dev->device) {
case PCI_DEVICE_ID_PROMISE_20267:
case PCI_DEVICE_ID_PROMISE_20265:
mode = 3;
break;
case PCI_DEVICE_ID_PROMISE_20263:
case PCI_DEVICE_ID_PROMISE_20262:
mode = 2;
break;
case PCI_DEVICE_ID_PROMISE_20246:
return 1;
default:
return 0;
}
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
static int pdc202xx_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 drive_pci = 0x60 + (drive->dn << 2);
u8 speed = ide_rate_filter(pdc202xx_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
u32 drive_conf;
u8 AP, BP, CP, DP;
@ -261,20 +237,7 @@ static int config_chipset_for_dma (ide_drive_t *drive)
u32 drive_conf = 0;
u8 drive_pci = 0x60 + (drive->dn << 2);
u8 test1 = 0, test2 = 0, speed = -1;
u8 AP = 0, cable = 0;
u8 ultra_66 = ((id->dma_ultra & 0x0010) ||
(id->dma_ultra & 0x0008)) ? 1 : 0;
if (dev->device != PCI_DEVICE_ID_PROMISE_20246)
cable = pdc202xx_old_cable_detect(hwif);
else
ultra_66 = 0;
if (ultra_66 && cable) {
printk(KERN_WARNING "Warning: %s channel requires an 80-pin cable for operation.\n", hwif->channel ? "Secondary":"Primary");
printk(KERN_WARNING "%s reduced to Ultra33 mode.\n", drive->name);
}
u8 AP = 0;
if (dev->device != PCI_DEVICE_ID_PROMISE_20246)
pdc_old_disable_66MHz_clock(drive->hwif);
@ -308,7 +271,7 @@ static int config_chipset_for_dma (ide_drive_t *drive)
if (drive->media == ide_disk) /* PREFETCH_EN */
pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN);
speed = ide_dma_speed(drive, pdc202xx_ratemask(drive));
speed = ide_max_dma_mode(drive);
if (!(speed)) {
/* restore original pci-config space */
@ -478,7 +441,7 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
hwif->ultra_mask = 0x3f;
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
hwif->atapi_dma = 1;
@ -500,10 +463,6 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
if (!noautodma)
hwif->autodma = 1;
hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
#if PDC202_DEBUG_CABLE
printk(KERN_DEBUG "%s: %s-pin cable\n",
hwif->name, hwif->udma_four ? "80" : "40");
#endif /* PDC202_DEBUG_CABLE */
}
static void __devinit init_dma_pdc202xx(ide_hwif_t *hwif, unsigned long dmabase)
@ -587,6 +546,7 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.extra = 16,
.udma_mask = 0x07, /* udma0-2 */
},{ /* 1 */
.name = "PDC20262",
.init_setup = init_setup_pdc202ata4,
@ -597,6 +557,7 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.extra = 48,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 2 */
.name = "PDC20263",
.init_setup = init_setup_pdc202ata4,
@ -607,6 +568,7 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.extra = 48,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 3 */
.name = "PDC20265",
.init_setup = init_setup_pdc20265,
@ -617,6 +579,7 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.extra = 48,
.udma_mask = 0x3f, /* udma0-5 */
},{ /* 4 */
.name = "PDC20267",
.init_setup = init_setup_pdc202xx,
@ -627,6 +590,7 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.bootable = OFF_BOARD,
.extra = 48,
.udma_mask = 0x3f, /* udma0-5 */
}
};

163
drivers/ide/pci/piix.c
View File

@ -105,68 +105,6 @@
static int no_piix_dma;
/**
* piix_ratemask - compute rate mask for PIIX IDE
* @drive: IDE drive to compute for
*
* Returns the available modes for the PIIX IDE controller.
*/
static u8 piix_ratemask (ide_drive_t *drive)
{
struct pci_dev *dev = HWIF(drive)->pci_dev;
u8 mode;
switch(dev->device) {
case PCI_DEVICE_ID_INTEL_82801EB_1:
mode = 3;
break;
/* UDMA 100 capable */
case PCI_DEVICE_ID_INTEL_82801BA_8:
case PCI_DEVICE_ID_INTEL_82801BA_9:
case PCI_DEVICE_ID_INTEL_82801CA_10:
case PCI_DEVICE_ID_INTEL_82801CA_11:
case PCI_DEVICE_ID_INTEL_82801E_11:
case PCI_DEVICE_ID_INTEL_82801DB_1:
case PCI_DEVICE_ID_INTEL_82801DB_10:
case PCI_DEVICE_ID_INTEL_82801DB_11:
case PCI_DEVICE_ID_INTEL_82801EB_11:
case PCI_DEVICE_ID_INTEL_ESB_2:
case PCI_DEVICE_ID_INTEL_ICH6_19:
case PCI_DEVICE_ID_INTEL_ICH7_21:
case PCI_DEVICE_ID_INTEL_ESB2_18:
case PCI_DEVICE_ID_INTEL_ICH8_6:
mode = 3;
break;
/* UDMA 66 capable */
case PCI_DEVICE_ID_INTEL_82801AA_1:
case PCI_DEVICE_ID_INTEL_82372FB_1:
mode = 2;
break;
/* UDMA 33 capable */
case PCI_DEVICE_ID_INTEL_82371AB:
case PCI_DEVICE_ID_INTEL_82443MX_1:
case PCI_DEVICE_ID_INTEL_82451NX:
case PCI_DEVICE_ID_INTEL_82801AB_1:
return 1;
/* Non UDMA capable (MWDMA2) */
case PCI_DEVICE_ID_INTEL_82371SB_1:
case PCI_DEVICE_ID_INTEL_82371FB_1:
case PCI_DEVICE_ID_INTEL_82371FB_0:
case PCI_DEVICE_ID_INTEL_82371MX:
default:
return 0;
}
/*
* If we are UDMA66 capable fall back to UDMA33
* if the drive cannot see an 80pin cable.
*/
if (!eighty_ninty_three(drive))
mode = min_t(u8, mode, 1);
return mode;
}
/**
* piix_dma_2_pio - return the PIO mode matching DMA
* @xfer_rate: transfer speed
@ -301,7 +239,7 @@ static int piix_tune_chipset (ide_drive_t *drive, u8 xferspeed)
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 maslave = hwif->channel ? 0x42 : 0x40;
u8 speed = ide_rate_filter(piix_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
int a_speed = 3 << (drive->dn * 4);
int u_flag = 1 << drive->dn;
int v_flag = 0x01 << drive->dn;
@ -365,30 +303,6 @@ static int piix_tune_chipset (ide_drive_t *drive, u8 xferspeed)
return ide_config_drive_speed(drive, speed);
}
/**
* piix_config_drive_for_dma - configure drive for DMA
* @drive: IDE drive to configure
*
* Set up a PIIX interface channel for the best available speed.
* We prefer UDMA if it is available and then MWDMA. If DMA is
* not available we switch to PIO and return 0.
*/
static int piix_config_drive_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, piix_ratemask(drive));
/*
* If no DMA speed was available or the chipset has DMA bugs
* then disable DMA and use PIO
*/
if (!speed)
return 0;
(void) piix_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
/**
* piix_config_drive_xfer_rate - set up an IDE device
* @drive: IDE drive to configure
@ -401,7 +315,7 @@ static int piix_config_drive_xfer_rate (ide_drive_t *drive)
{
drive->init_speed = 0;
if (ide_use_dma(drive) && piix_config_drive_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive))
@ -524,26 +438,14 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
hwif->ide_dma_clear_irq = &piix_dma_clear_irq;
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x3f;
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x06;
hwif->swdma_mask = 0x04;
switch(hwif->pci_dev->device) {
case PCI_DEVICE_ID_INTEL_82371FB_0:
case PCI_DEVICE_ID_INTEL_82371FB_1:
case PCI_DEVICE_ID_INTEL_82371SB_1:
hwif->ultra_mask = 0x80;
break;
case PCI_DEVICE_ID_INTEL_82371AB:
case PCI_DEVICE_ID_INTEL_82443MX_1:
case PCI_DEVICE_ID_INTEL_82451NX:
case PCI_DEVICE_ID_INTEL_82801AB_1:
hwif->ultra_mask = 0x07;
break;
default:
if (!hwif->udma_four)
hwif->udma_four = piix_cable_detect(hwif);
break;
if (hwif->ultra_mask & 0x78) {
if (!hwif->udma_four)
hwif->udma_four = piix_cable_detect(hwif);
}
if (no_piix_dma)
@ -557,7 +459,7 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
hwif->drives[0].autodma = hwif->autodma;
}
#define DECLARE_PIIX_DEV(name_str) \
#define DECLARE_PIIX_DEV(name_str, udma) \
{ \
.name = name_str, \
.init_chipset = init_chipset_piix, \
@ -566,11 +468,12 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
.autodma = AUTODMA, \
.enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
.bootable = ON_BOARD, \
.udma_mask = udma, \
}
static ide_pci_device_t piix_pci_info[] __devinitdata = {
/* 0 */ DECLARE_PIIX_DEV("PIIXa"),
/* 1 */ DECLARE_PIIX_DEV("PIIXb"),
/* 0 */ DECLARE_PIIX_DEV("PIIXa", 0x00), /* no udma */
/* 1 */ DECLARE_PIIX_DEV("PIIXb", 0x00), /* no udma */
/* 2 */
{ /*
@ -587,28 +490,28 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
.flags = IDEPCI_FLAG_ISA_PORTS
},
/* 3 */ DECLARE_PIIX_DEV("PIIX3"),
/* 4 */ DECLARE_PIIX_DEV("PIIX4"),
/* 5 */ DECLARE_PIIX_DEV("ICH0"),
/* 6 */ DECLARE_PIIX_DEV("PIIX4"),
/* 7 */ DECLARE_PIIX_DEV("ICH"),
/* 8 */ DECLARE_PIIX_DEV("PIIX4"),
/* 9 */ DECLARE_PIIX_DEV("PIIX4"),
/* 10 */ DECLARE_PIIX_DEV("ICH2"),
/* 11 */ DECLARE_PIIX_DEV("ICH2M"),
/* 12 */ DECLARE_PIIX_DEV("ICH3M"),
/* 13 */ DECLARE_PIIX_DEV("ICH3"),
/* 14 */ DECLARE_PIIX_DEV("ICH4"),
/* 15 */ DECLARE_PIIX_DEV("ICH5"),
/* 16 */ DECLARE_PIIX_DEV("C-ICH"),
/* 17 */ DECLARE_PIIX_DEV("ICH4"),
/* 18 */ DECLARE_PIIX_DEV("ICH5-SATA"),
/* 19 */ DECLARE_PIIX_DEV("ICH5"),
/* 20 */ DECLARE_PIIX_DEV("ICH6"),
/* 21 */ DECLARE_PIIX_DEV("ICH7"),
/* 22 */ DECLARE_PIIX_DEV("ICH4"),
/* 23 */ DECLARE_PIIX_DEV("ESB2"),
/* 24 */ DECLARE_PIIX_DEV("ICH8M"),
/* 3 */ DECLARE_PIIX_DEV("PIIX3", 0x00), /* no udma */
/* 4 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */
/* 5 */ DECLARE_PIIX_DEV("ICH0", 0x07), /* udma0-2 */
/* 6 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */
/* 7 */ DECLARE_PIIX_DEV("ICH", 0x1f), /* udma0-4 */
/* 8 */ DECLARE_PIIX_DEV("PIIX4", 0x1f), /* udma0-4 */
/* 9 */ DECLARE_PIIX_DEV("PIIX4", 0x07), /* udma0-2 */
/* 10 */ DECLARE_PIIX_DEV("ICH2", 0x3f), /* udma0-5 */
/* 11 */ DECLARE_PIIX_DEV("ICH2M", 0x3f), /* udma0-5 */
/* 12 */ DECLARE_PIIX_DEV("ICH3M", 0x3f), /* udma0-5 */
/* 13 */ DECLARE_PIIX_DEV("ICH3", 0x3f), /* udma0-5 */
/* 14 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */
/* 15 */ DECLARE_PIIX_DEV("ICH5", 0x3f), /* udma0-5 */
/* 16 */ DECLARE_PIIX_DEV("C-ICH", 0x3f), /* udma0-5 */
/* 17 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */
/* 18 */ DECLARE_PIIX_DEV("ICH5-SATA", 0x3f), /* udma0-5 */
/* 19 */ DECLARE_PIIX_DEV("ICH5", 0x3f), /* udma0-5 */
/* 20 */ DECLARE_PIIX_DEV("ICH6", 0x3f), /* udma0-5 */
/* 21 */ DECLARE_PIIX_DEV("ICH7", 0x3f), /* udma0-5 */
/* 22 */ DECLARE_PIIX_DEV("ICH4", 0x3f), /* udma0-5 */
/* 23 */ DECLARE_PIIX_DEV("ESB2", 0x3f), /* udma0-5 */
/* 24 */ DECLARE_PIIX_DEV("ICH8M", 0x3f), /* udma0-5 */
};
/**

21
drivers/ide/pci/scc_pata.c
View File

@ -189,23 +189,6 @@ scc_ide_outsl(unsigned long port, void *addr, u32 count)
}
}
/**
* scc_ratemask - Compute available modes
* @drive: IDE drive
*
* Compute the available speeds for the devices on the interface.
* Enforce UDMA33 as a limit if there is no 80pin cable present.
*/
static u8 scc_ratemask(ide_drive_t *drive)
{
u8 mode = 4;
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
/**
* scc_tuneproc - tune a drive PIO mode
* @drive: drive to tune
@ -273,7 +256,7 @@ static void scc_tuneproc(ide_drive_t *drive, byte mode_wanted)
static int scc_tune_chipset(ide_drive_t *drive, byte xferspeed)
{
ide_hwif_t *hwif = HWIF(drive);
u8 speed = ide_rate_filter(scc_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
struct scc_ports *ports = ide_get_hwifdata(hwif);
unsigned long ctl_base = ports->ctl;
unsigned long cckctrl_port = ctl_base + 0xff0;
@ -347,7 +330,7 @@ static int scc_tune_chipset(ide_drive_t *drive, byte xferspeed)
static int scc_config_chipset_for_dma(ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, scc_ratemask(drive));
u8 speed = ide_max_dma_mode(drive);
if (!speed)
return 0;

31
drivers/ide/pci/serverworks.c
View File

@ -65,16 +65,16 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list)
return 0;
}
static u8 svwks_ratemask (ide_drive_t *drive)
static u8 svwks_udma_filter(ide_drive_t *drive)
{
struct pci_dev *dev = HWIF(drive)->pci_dev;
u8 mode = 0;
u8 mask = 0;
if (!svwks_revision)
pci_read_config_byte(dev, PCI_REVISION_ID, &svwks_revision);
if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE)
return 2;
return 0x1f;
if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
u32 reg = 0;
if (isa_dev)
@ -86,25 +86,31 @@ static u8 svwks_ratemask (ide_drive_t *drive)
if(drive->media == ide_disk)
return 0;
/* Check the OSB4 DMA33 enable bit */
return ((reg & 0x00004000) == 0x00004000) ? 1 : 0;
return ((reg & 0x00004000) == 0x00004000) ? 0x07 : 0;
} else if (svwks_revision < SVWKS_CSB5_REVISION_NEW) {
return 1;
return 0x07;
} else if (svwks_revision >= SVWKS_CSB5_REVISION_NEW) {
u8 btr = 0;
u8 btr = 0, mode;
pci_read_config_byte(dev, 0x5A, &btr);
mode = btr & 0x3;
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
/* If someone decides to do UDMA133 on CSB5 the same
issue will bite so be inclusive */
if (mode > 2 && check_in_drive_lists(drive, svwks_bad_ata100))
mode = 2;
switch(mode) {
case 2: mask = 0x1f; break;
case 1: mask = 0x07; break;
default: mask = 0x00; break;
}
}
if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
(dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) &&
(!(PCI_FUNC(dev->devfn) & 1)))
mode = 2;
return mode;
mask = 0x1f;
return mask;
}
static u8 svwks_csb_check (struct pci_dev *dev)
@ -141,7 +147,7 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
if (xferspeed == 255) /* PIO auto-tuning */
speed = XFER_PIO_0 + pio;
else
speed = ide_rate_filter(svwks_ratemask(drive), xferspeed);
speed = ide_rate_filter(drive, xferspeed);
/* If we are about to put a disk into UDMA mode we screwed up.
Our code assumes we never _ever_ do this on an OSB4 */
@ -304,7 +310,7 @@ static void svwks_tune_drive (ide_drive_t *drive, u8 pio)
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, svwks_ratemask(drive));
u8 speed = ide_max_dma_mode(drive);
if (!(speed))
speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 5, NULL);
@ -500,6 +506,7 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
hwif->tuneproc = &svwks_tune_drive;
hwif->speedproc = &svwks_tune_chipset;
hwif->udma_filter = &svwks_udma_filter;
hwif->atapi_dma = 1;

2
drivers/ide/pci/sgiioc4.c
View File

@ -692,7 +692,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
return -EIO;
/* Create /proc/ide entries */
create_proc_ide_interfaces();
ide_proc_register_port(hwif);
return 0;
}

45
drivers/ide/pci/siimage.c
View File

@ -122,45 +122,41 @@ static inline unsigned long siimage_seldev(ide_drive_t *drive, int r)
}
/**
* siimage_ratemask - Compute available modes
* @drive: IDE drive
* sil_udma_filter - compute UDMA mask
* @drive: IDE device
*
* Compute the available UDMA speeds for the device on the interface.
*
* Compute the available speeds for the devices on the interface.
* For the CMD680 this depends on the clocking mode (scsc), for the
* SI3312 SATA controller life is a bit simpler. Enforce UDMA33
* as a limit if there is no 80pin cable present.
* SI3112 SATA controller life is a bit simpler.
*/
static byte siimage_ratemask (ide_drive_t *drive)
static u8 sil_udma_filter(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
u8 mode = 0, scsc = 0;
ide_hwif_t *hwif = drive->hwif;
unsigned long base = (unsigned long) hwif->hwif_data;
u8 mask = 0, scsc = 0;
if (hwif->mmio)
scsc = hwif->INB(base + 0x4A);
else
pci_read_config_byte(hwif->pci_dev, 0x8A, &scsc);
if(is_sata(hwif))
{
if(strstr(drive->id->model, "Maxtor"))
return 3;
return 4;
if (is_sata(hwif)) {
mask = strstr(drive->id->model, "Maxtor") ? 0x3f : 0x7f;
goto out;
}
if ((scsc & 0x30) == 0x10) /* 133 */
mode = 4;
mask = 0x7f;
else if ((scsc & 0x30) == 0x20) /* 2xPCI */
mode = 4;
mask = 0x7f;
else if ((scsc & 0x30) == 0x00) /* 100 */
mode = 3;
mask = 0x3f;
else /* Disabled ? */
BUG();
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
out:
return mask;
}
/**
@ -306,7 +302,7 @@ static int siimage_tune_chipset (ide_drive_t *drive, byte xferspeed)
ide_hwif_t *hwif = HWIF(drive);
u16 ultra = 0, multi = 0;
u8 mode = 0, unit = drive->select.b.unit;
u8 speed = ide_rate_filter(siimage_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
unsigned long base = (unsigned long)hwif->hwif_data;
u8 scsc = 0, addr_mask = ((hwif->channel) ?
((hwif->mmio) ? 0xF4 : 0x84) :
@ -389,7 +385,7 @@ static int siimage_tune_chipset (ide_drive_t *drive, byte xferspeed)
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, siimage_ratemask(drive));
u8 speed = ide_max_dma_mode(drive);
if (!speed)
return 0;
@ -989,6 +985,7 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
hwif->tuneproc = &siimage_tuneproc;
hwif->reset_poll = &siimage_reset_poll;
hwif->pre_reset = &siimage_pre_reset;
hwif->udma_filter = &sil_udma_filter;
if(is_sata(hwif)) {
static int first = 1;

44
drivers/ide/pci/sis5513.c
View File

@ -191,7 +191,7 @@ static char* chipset_capability[] = {
"ATA 133 (1st gen)", "ATA 133 (2nd gen)"
};
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -426,17 +426,7 @@ static int sis_get_info (char *buffer, char **addr, off_t offset, int count)
return len > count ? count : len;
}
#endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS) */
static u8 sis5513_ratemask (ide_drive_t *drive)
{
u8 rates[] = { 0, 0, 1, 2, 3, 3, 4, 4 };
u8 mode = rates[chipset_family];
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
return mode;
}
#endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
/*
* Configuration functions
@ -563,7 +553,7 @@ static int sis5513_tune_chipset (ide_drive_t *drive, u8 xferspeed)
u8 drive_pci, reg, speed;
u32 regdw;
speed = ide_rate_filter(sis5513_ratemask(drive), xferspeed);
speed = ide_rate_filter(drive, xferspeed);
/* See config_art_rwp_pio for drive pci config registers */
drive_pci = 0x40;
@ -648,32 +638,13 @@ static void sis5513_tune_drive (ide_drive_t *drive, u8 pio)
(void) config_chipset_for_pio(drive, pio);
}
/*
* ((id->hw_config & 0x4000|0x2000) && (HWIF(drive)->udma_four))
*/
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, sis5513_ratemask(drive));
#ifdef DEBUG
printk("SIS5513: config_chipset_for_dma, drive %d, ultra %x\n",
drive->dn, drive->id->dma_ultra);
#endif
if (!(speed))
return 0;
sis5513_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
static int sis5513_config_xfer_rate(ide_drive_t *drive)
{
config_art_rwp_pio(drive, 5);
drive->init_speed = 0;
if (ide_use_dma(drive) && config_chipset_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive))
@ -826,7 +797,7 @@ static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const c
break;
}
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
if (!sis_proc) {
sis_proc = 1;
bmide_dev = dev;
@ -858,6 +829,8 @@ static unsigned int __devinit ata66_sis5513 (ide_hwif_t *hwif)
static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
{
u8 udma_rates[] = { 0x00, 0x00, 0x07, 0x1f, 0x3f, 0x3f, 0x7f, 0x7f };
hwif->autodma = 0;
if (!hwif->irq)
@ -873,7 +846,8 @@ static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
}
hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->ultra_mask = udma_rates[chipset_family];
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;

24
drivers/ide/pci/slc90e66.c
View File

@ -21,15 +21,6 @@
#include <asm/io.h>
static u8 slc90e66_ratemask (ide_drive_t *drive)
{
u8 mode = 2;
if (!eighty_ninty_three(drive))
mode = min_t(u8, mode, 1);
return mode;
}
static u8 slc90e66_dma_2_pio (u8 xfer_rate) {
switch(xfer_rate) {
case XFER_UDMA_4:
@ -122,7 +113,7 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 maslave = hwif->channel ? 0x42 : 0x40;
u8 speed = ide_rate_filter(slc90e66_ratemask(drive), xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
int sitre = 0, a_speed = 7 << (drive->dn * 4);
int u_speed = 0, u_flag = 1 << drive->dn;
u16 reg4042, reg44, reg48, reg4a;
@ -169,22 +160,11 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
return ide_config_drive_speed(drive, speed);
}
static int slc90e66_config_drive_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, slc90e66_ratemask(drive));
if (!speed)
return 0;
(void) slc90e66_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive)
{
drive->init_speed = 0;
if (ide_use_dma(drive) && slc90e66_config_drive_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive))

20
drivers/ide/pci/tc86c001.c
View File

@ -13,18 +13,13 @@
#include <linux/pci.h>
#include <linux/ide.h>
static inline u8 tc86c001_ratemask(ide_drive_t *drive)
{
return eighty_ninty_three(drive) ? 2 : 1;
}
static int tc86c001_tune_chipset(ide_drive_t *drive, u8 speed)
{
ide_hwif_t *hwif = HWIF(drive);
unsigned long scr_port = hwif->config_data + (drive->dn ? 0x02 : 0x00);
u16 mode, scr = hwif->INW(scr_port);
speed = ide_rate_filter(tc86c001_ratemask(drive), speed);
speed = ide_rate_filter(drive, speed);
switch (speed) {
case XFER_UDMA_4: mode = 0x00c0; break;
@ -172,20 +167,9 @@ static int tc86c001_busproc(ide_drive_t *drive, int state)
return 0;
}
static int config_chipset_for_dma(ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, tc86c001_ratemask(drive));
if (!speed)
return 0;
(void) tc86c001_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
static int tc86c001_config_drive_xfer_rate(ide_drive_t *drive)
{
if (ide_use_dma(drive) && config_chipset_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive))

15
drivers/ide/pci/triflex.c
View File

@ -48,7 +48,7 @@ static int triflex_tune_chipset(ide_drive_t *drive, u8 xferspeed)
u16 timing = 0;
u32 triflex_timings = 0;
u8 unit = (drive->select.b.unit & 0x01);
u8 speed = ide_rate_filter(0, xferspeed);
u8 speed = ide_rate_filter(drive, xferspeed);
pci_read_config_dword(dev, channel_offset, &triflex_timings);
@ -100,20 +100,9 @@ static void triflex_tune_drive(ide_drive_t *drive, u8 pio)
(void) triflex_tune_chipset(drive, (XFER_PIO_0 + use_pio));
}
static int triflex_config_drive_for_dma(ide_drive_t *drive)
{
int speed = ide_dma_speed(drive, 0); /* No ultra speeds */
if (!speed)
return 0;
(void) triflex_tune_chipset(drive, speed);
return ide_dma_enable(drive);
}
static int triflex_config_drive_xfer_rate(ide_drive_t *drive)
{
if (ide_use_dma(drive) && triflex_config_drive_for_dma(drive))
if (ide_tune_dma(drive))
return 0;
triflex_tune_drive(drive, 255);

2
drivers/ide/ppc/pmac.c
View File

@ -1276,6 +1276,8 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
/* We probe the hwif now */
probe_hwif_init(hwif);
ide_proc_register_port(hwif);
return 0;
}

27
drivers/ide/setup-pci.c
View File

@ -702,6 +702,7 @@ static int do_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d,
int ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d)
{
ide_hwif_t *hwif = NULL, *mate = NULL;
ata_index_t index_list;
int ret;
@ -710,11 +711,19 @@ int ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d)
goto out;
if ((index_list.b.low & 0xf0) != 0xf0)
probe_hwif_init_with_fixup(&ide_hwifs[index_list.b.low], d->fixup);
hwif = &ide_hwifs[index_list.b.low];
if ((index_list.b.high & 0xf0) != 0xf0)
probe_hwif_init_with_fixup(&ide_hwifs[index_list.b.high], d->fixup);
mate = &ide_hwifs[index_list.b.high];
create_proc_ide_interfaces();
if (hwif)
probe_hwif_init_with_fixup(hwif, d->fixup);
if (mate)
probe_hwif_init_with_fixup(mate, d->fixup);
if (hwif)
ide_proc_register_port(hwif);
if (mate)
ide_proc_register_port(mate);
out:
return ret;
}
@ -748,13 +757,22 @@ int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2,
}
}
create_proc_ide_interfaces();
for (i = 0; i < 2; i++) {
u8 idx[2] = { index_list[i].b.low, index_list[i].b.high };
int j;
for (j = 0; j < 2; j++) {
if ((idx[j] & 0xf0) != 0xf0)
ide_proc_register_port(ide_hwifs + idx[j]);
}
}
out:
return ret;
}
EXPORT_SYMBOL_GPL(ide_setup_pci_devices);
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
/*
* Module interfaces
*/
@ -861,3 +879,4 @@ void __init ide_scan_pcibus (int scan_direction)
__pci_register_driver(d, d->driver.owner, d->driver.mod_name);
}
}
#endif

2
drivers/macintosh/mediabay.c
View File

@ -563,7 +563,7 @@ static void media_bay_step(int i)
ide_init_hwif_ports(&hw, (unsigned long) bay->cd_base, (unsigned long) 0, NULL);
hw.irq = bay->cd_irq;
hw.chipset = ide_pmac;
bay->cd_index = ide_register_hw(&hw, NULL);
bay->cd_index = ide_register_hw(&hw, 0, NULL);
pmu_resume();
}
if (bay->cd_index == -1) {

30
drivers/scsi/ide-scsi.c
View File

@ -721,19 +721,23 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r
return ide_stopped;
}
#ifdef CONFIG_IDE_PROC_FS
static void idescsi_add_settings(ide_drive_t *drive)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
/*
* drive setting name read/write ioctl ioctl data type min max mul_factor div_factor data pointer set function
* drive setting name read/write data type min max mul_factor div_factor data pointer set function
*/
ide_add_setting(drive, "bios_cyl", SETTING_RW, -1, -1, TYPE_INT, 0, 1023, 1, 1, &drive->bios_cyl, NULL);
ide_add_setting(drive, "bios_head", SETTING_RW, -1, -1, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
ide_add_setting(drive, "bios_sect", SETTING_RW, -1, -1, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
ide_add_setting(drive, "transform", SETTING_RW, -1, -1, TYPE_INT, 0, 3, 1, 1, &scsi->transform, NULL);
ide_add_setting(drive, "log", SETTING_RW, -1, -1, TYPE_INT, 0, 1, 1, 1, &scsi->log, NULL);
ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1, &drive->bios_cyl, NULL);
ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL);
ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL);
ide_add_setting(drive, "transform", SETTING_RW, TYPE_INT, 0, 3, 1, 1, &scsi->transform, NULL);
ide_add_setting(drive, "log", SETTING_RW, TYPE_INT, 0, 1, 1, 1, &scsi->log, NULL);
}
#else
static inline void idescsi_add_settings(ide_drive_t *drive) { ; }
#endif
/*
* Driver initialization.
@ -756,7 +760,7 @@ static void ide_scsi_remove(ide_drive_t *drive)
struct ide_scsi_obj *scsi = scsihost_to_idescsi(scsihost);
struct gendisk *g = scsi->disk;
ide_unregister_subdriver(drive, scsi->driver);
ide_proc_unregister_driver(drive, scsi->driver);
ide_unregister_region(g);
@ -770,13 +774,11 @@ static void ide_scsi_remove(ide_drive_t *drive)
static int ide_scsi_probe(ide_drive_t *);
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static ide_proc_entry_t idescsi_proc[] = {
{ "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
{ NULL, 0, NULL, NULL }
};
#else
# define idescsi_proc NULL
#endif
static ide_driver_t idescsi_driver = {
@ -790,11 +792,13 @@ static ide_driver_t idescsi_driver = {
.version = IDESCSI_VERSION,
.media = ide_scsi,
.supports_dsc_overlap = 0,
.proc = idescsi_proc,
.do_request = idescsi_do_request,
.end_request = idescsi_end_request,
.error = idescsi_atapi_error,
.abort = idescsi_atapi_abort,
#ifdef CONFIG_IDE_PROC_FS
.proc = idescsi_proc,
#endif
};
static int idescsi_ide_open(struct inode *inode, struct file *filp)
@ -1153,7 +1157,7 @@ static int ide_scsi_probe(ide_drive_t *drive)
idescsi->host = host;
idescsi->disk = g;
g->private_data = &idescsi->driver;
ide_register_subdriver(drive, &idescsi_driver);
ide_proc_register_driver(drive, &idescsi_driver);
err = 0;
idescsi_setup(drive, idescsi);
g->fops = &idescsi_ops;
@ -1165,7 +1169,7 @@ static int ide_scsi_probe(ide_drive_t *drive)
}
/* fall through on error */
ide_unregister_region(g);
ide_unregister_subdriver(drive, &idescsi_driver);
ide_proc_unregister_driver(drive, &idescsi_driver);
put_disk(g);
out_host_put:

93
include/linux/ide.h
View File

@ -223,8 +223,9 @@ typedef struct hw_regs_s {
/*
* Register new hardware with ide
*/
int ide_register_hw(hw_regs_t *hw, struct hwif_s **hwifp);
int ide_register_hw_with_fixup(hw_regs_t *, struct hwif_s **, void (*)(struct hwif_s *));
int ide_register_hw(hw_regs_t *, int, struct hwif_s **);
int ide_register_hw_with_fixup(hw_regs_t *, int, struct hwif_s **,
void (*)(struct hwif_s *));
/*
* Set up hw_regs_t structure before calling ide_register_hw (optional)
@ -559,9 +560,10 @@ typedef struct ide_drive_s {
struct ide_drive_s *next; /* circular list of hwgroup drives */
void *driver_data; /* extra driver data */
struct hd_driveid *id; /* drive model identification info */
#ifdef CONFIG_IDE_PROC_FS
struct proc_dir_entry *proc; /* /proc/ide/ directory entry */
struct ide_settings_s *settings;/* /proc/ide/ drive settings */
#endif
struct hwif_s *hwif; /* actually (ide_hwif_t *) */
unsigned long sleep; /* sleep until this time */
@ -601,16 +603,12 @@ typedef struct ide_drive_s {
unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */
unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */
unsigned vdma : 1; /* 1=doing PIO over DMA 0=doing normal DMA */
unsigned addressing; /* : 3;
* 0=28-bit
* 1=48-bit
* 2=48-bit doing 28-bit
* 3=64-bit
*/
unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */
unsigned sleeping : 1; /* 1=sleeping & sleep field valid */
unsigned post_reset : 1;
unsigned udma33_warned : 1;
u8 addressing; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */
u8 quirk_list; /* considered quirky, set for a specific host */
u8 init_speed; /* transfer rate set at boot */
u8 current_speed; /* current transfer rate set */
@ -717,11 +715,8 @@ typedef struct hwif_s {
int (*quirkproc)(ide_drive_t *);
/* driver soft-power interface */
int (*busproc)(ide_drive_t *, int);
// /* host rate limiter */
// u8 (*ratemask)(ide_drive_t *);
// /* device rate limiter */
// u8 (*ratefilter)(ide_drive_t *, u8);
#endif
u8 (*udma_filter)(ide_drive_t *);
void (*ata_input_data)(ide_drive_t *, void *, u32);
void (*ata_output_data)(ide_drive_t *, void *, u32);
@ -866,16 +861,22 @@ typedef struct hwgroup_s {
unsigned char cmd_buf[4];
} ide_hwgroup_t;
/* structure attached to the request for IDE_TASK_CMDS */
typedef struct ide_driver_s ide_driver_t;
extern struct semaphore ide_setting_sem;
int set_io_32bit(ide_drive_t *, int);
int set_pio_mode(ide_drive_t *, int);
int set_using_dma(ide_drive_t *, int);
#ifdef CONFIG_IDE_PROC_FS
/*
* configurable drive settings
*/
#define TYPE_INT 0
#define TYPE_INTA 1
#define TYPE_BYTE 2
#define TYPE_SHORT 3
#define TYPE_BYTE 1
#define TYPE_SHORT 2
#define SETTING_READ (1 << 0)
#define SETTING_WRITE (1 << 1)
@ -885,8 +886,6 @@ typedef int (ide_procset_t)(ide_drive_t *, int);
typedef struct ide_settings_s {
char *name;
int rw;
int read_ioctl;
int write_ioctl;
int data_type;
int min;
int max;
@ -898,12 +897,7 @@ typedef struct ide_settings_s {
struct ide_settings_s *next;
} ide_settings_t;
extern struct semaphore ide_setting_sem;
extern int ide_add_setting(ide_drive_t *drive, const char *name, int rw, int read_ioctl, int write_ioctl, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set);
extern ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name);
extern int ide_read_setting(ide_drive_t *t, ide_settings_t *setting);
extern int ide_write_setting(ide_drive_t *drive, ide_settings_t *setting, int val);
extern void ide_add_generic_settings(ide_drive_t *drive);
int ide_add_setting(ide_drive_t *, const char *, int, int, int, int, int, int, void *, ide_procset_t *set);
/*
* /proc/ide interface
@ -915,15 +909,15 @@ typedef struct {
write_proc_t *write_proc;
} ide_proc_entry_t;
#ifdef CONFIG_PROC_FS
extern struct proc_dir_entry *proc_ide_root;
void proc_ide_create(void);
void proc_ide_destroy(void);
void ide_proc_register_port(ide_hwif_t *);
void ide_proc_unregister_port(ide_hwif_t *);
void ide_proc_register_driver(ide_drive_t *, ide_driver_t *);
void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *);
void ide_add_generic_settings(ide_drive_t *);
extern void proc_ide_create(void);
extern void proc_ide_destroy(void);
extern void create_proc_ide_interfaces(void);
void destroy_proc_ide_interface(ide_hwif_t *);
extern void ide_add_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *, void *);
extern void ide_remove_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *);
read_proc_t proc_ide_read_capacity;
read_proc_t proc_ide_read_geometry;
@ -947,8 +941,13 @@ void ide_pci_create_host_proc(const char *, get_info_t *);
return len; \
}
#else
static inline void create_proc_ide_interfaces(void) { ; }
static inline void destroy_proc_ide_interface(ide_hwif_t *hwif) { ; }
static inline void proc_ide_create(void) { ; }
static inline void proc_ide_destroy(void) { ; }
static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; }
static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; }
static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; }
static inline void ide_add_generic_settings(ide_drive_t *drive) { ; }
#define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0;
#endif
@ -991,7 +990,7 @@ enum {
* The gendriver.owner field should be set to the module owner of this driver.
* The gendriver.name field should be set to the name of this driver
*/
typedef struct ide_driver_s {
struct ide_driver_s {
const char *version;
u8 media;
unsigned supports_dsc_overlap : 1;
@ -999,12 +998,14 @@ 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);
ide_proc_entry_t *proc;
struct device_driver gen_driver;
int (*probe)(ide_drive_t *);
void (*remove)(ide_drive_t *);
void (*shutdown)(ide_drive_t *);
} ide_driver_t;
#ifdef CONFIG_IDE_PROC_FS
ide_proc_entry_t *proc;
#endif
};
#define to_ide_driver(drv) container_of(drv, ide_driver_t, gen_driver)
@ -1204,9 +1205,14 @@ void ide_init_disk(struct gendisk *, ide_drive_t *);
extern int ideprobe_init(void);
#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
extern void ide_scan_pcibus(int scan_direction) __init;
extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name);
#define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME)
#else
#define ide_pci_register_driver(d) pci_register_driver(d)
#endif
void ide_pci_setup_ports(struct pci_dev *, struct ide_pci_device_s *, int, ata_index_t *);
extern void ide_setup_pci_noise (struct pci_dev *dev, struct ide_pci_device_s *d);
@ -1214,9 +1220,6 @@ extern void default_hwif_iops(ide_hwif_t *);
extern void default_hwif_mmiops(ide_hwif_t *);
extern void default_hwif_transport(ide_hwif_t *);
void ide_register_subdriver(ide_drive_t *, ide_driver_t *);
void ide_unregister_subdriver(ide_drive_t *, ide_driver_t *);
#define ON_BOARD 1
#define NEVER_BOARD 0
@ -1257,6 +1260,7 @@ typedef struct ide_pci_device_s {
unsigned int extra;
struct ide_pci_device_s *next;
u8 flags;
u8 udma_mask;
} ide_pci_device_t;
extern int ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
@ -1278,6 +1282,8 @@ 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 *);
u8 ide_max_dma_mode(ide_drive_t *);
int ide_tune_dma(ide_drive_t *);
void ide_dma_off(ide_drive_t *);
void ide_dma_verbose(ide_drive_t *);
int ide_set_dma(ide_drive_t *);
@ -1304,6 +1310,8 @@ extern int __ide_dma_timeout(ide_drive_t *);
#else
static inline int ide_use_dma(ide_drive_t *drive) { return 0; }
static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
static inline int ide_tune_dma(ide_drive_t *drive) { return 0; }
static inline void ide_dma_off(ide_drive_t *drive) { ; }
static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
@ -1348,8 +1356,7 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
}
/* ide-lib.c */
extern u8 ide_dma_speed(ide_drive_t *drive, u8 mode);
extern u8 ide_rate_filter(u8 mode, u8 speed);
u8 ide_rate_filter(ide_drive_t *, u8);
extern int ide_dma_enable(ide_drive_t *drive);
extern char *ide_xfer_verbose(u8 xfer_rate);
extern void ide_toggle_bounce(ide_drive_t *drive, int on);