return ide_stopped;
}
if (ide_id_has_flush_cache_ext(drive->id))
- args->tfRegister[IDE_COMMAND_OFFSET] = WIN_FLUSH_CACHE_EXT;
+ args->tf.command = WIN_FLUSH_CACHE_EXT;
else
- args->tfRegister[IDE_COMMAND_OFFSET] = WIN_FLUSH_CACHE;
- args->command_type = IDE_DRIVE_TASK_NO_DATA;
- args->handler = &task_no_data_intr;
- return do_rw_taskfile(drive, args);
+ args->tf.command = WIN_FLUSH_CACHE;
+ goto out_do_tf;
case idedisk_pm_standby: /* Suspend step 2 (standby) */
- args->tfRegister[IDE_COMMAND_OFFSET] = WIN_STANDBYNOW1;
- args->command_type = IDE_DRIVE_TASK_NO_DATA;
- args->handler = &task_no_data_intr;
- return do_rw_taskfile(drive, args);
+ args->tf.command = WIN_STANDBYNOW1;
+ goto out_do_tf;
case idedisk_pm_restore_pio: /* Resume step 1 (restore PIO) */
ide_set_max_pio(drive);
return ide_stopped;
case idedisk_pm_idle: /* Resume step 2 (idle) */
- args->tfRegister[IDE_COMMAND_OFFSET] = WIN_IDLEIMMEDIATE;
- args->command_type = IDE_DRIVE_TASK_NO_DATA;
- args->handler = task_no_data_intr;
- return do_rw_taskfile(drive, args);
+ args->tf.command = WIN_IDLEIMMEDIATE;
+ goto out_do_tf;
case ide_pm_restore_dma: /* Resume step 3 (restore DMA) */
/*
}
pm->pm_step = ide_pm_state_completed;
return ide_stopped;
+
+out_do_tf:
+ args->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
+ args->command_type = IDE_DRIVE_TASK_NO_DATA;
+ args->handler = task_no_data_intr;
+ return do_rw_taskfile(drive, args);
}
/**
args[1] = err;
args[2] = hwif->INB(IDE_NSECTOR_REG);
}
- } else if (rq->cmd_type == REQ_TYPE_ATA_TASK) {
- u8 *args = (u8 *) rq->buffer;
- if (rq->errors == 0)
- rq->errors = !OK_STAT(stat,READY_STAT,BAD_STAT);
-
- if (args) {
- args[0] = stat;
- args[1] = err;
- args[2] = hwif->INB(IDE_NSECTOR_REG);
- args[3] = hwif->INB(IDE_SECTOR_REG);
- args[4] = hwif->INB(IDE_LCYL_REG);
- args[5] = hwif->INB(IDE_HCYL_REG);
- args[6] = hwif->INB(IDE_SELECT_REG);
- }
} else if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
ide_task_t *args = (ide_task_t *) rq->special;
if (rq->errors == 0)
rq->errors = !OK_STAT(stat,READY_STAT,BAD_STAT);
if (args) {
+ struct ide_taskfile *tf = &args->tf;
+
if (args->tf_in_flags.b.data) {
- u16 data = hwif->INW(IDE_DATA_REG);
- args->tfRegister[IDE_DATA_OFFSET] = (data) & 0xFF;
- args->hobRegister[IDE_DATA_OFFSET] = (data >> 8) & 0xFF;
+ u16 data = hwif->INW(IDE_DATA_REG);
+
+ tf->data = data & 0xff;
+ tf->hob_data = (data >> 8) & 0xff;
}
- args->tfRegister[IDE_ERROR_OFFSET] = err;
+ tf->error = err;
/* be sure we're looking at the low order bits */
hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
- args->tfRegister[IDE_NSECTOR_OFFSET] = hwif->INB(IDE_NSECTOR_REG);
- args->tfRegister[IDE_SECTOR_OFFSET] = hwif->INB(IDE_SECTOR_REG);
- args->tfRegister[IDE_LCYL_OFFSET] = hwif->INB(IDE_LCYL_REG);
- args->tfRegister[IDE_HCYL_OFFSET] = hwif->INB(IDE_HCYL_REG);
- args->tfRegister[IDE_SELECT_OFFSET] = hwif->INB(IDE_SELECT_REG);
- args->tfRegister[IDE_STATUS_OFFSET] = stat;
-
- if (drive->addressing == 1) {
+ tf->nsect = hwif->INB(IDE_NSECTOR_REG);
+ tf->lbal = hwif->INB(IDE_SECTOR_REG);
+ tf->lbam = hwif->INB(IDE_LCYL_REG);
+ tf->lbah = hwif->INB(IDE_HCYL_REG);
+ tf->device = hwif->INB(IDE_SELECT_REG);
+ tf->status = stat;
+
+ if (args->tf_flags & IDE_TFLAG_LBA48) {
hwif->OUTB(drive->ctl|0x80, IDE_CONTROL_REG);
- args->hobRegister[IDE_FEATURE_OFFSET] = hwif->INB(IDE_FEATURE_REG);
- args->hobRegister[IDE_NSECTOR_OFFSET] = hwif->INB(IDE_NSECTOR_REG);
- args->hobRegister[IDE_SECTOR_OFFSET] = hwif->INB(IDE_SECTOR_REG);
- args->hobRegister[IDE_LCYL_OFFSET] = hwif->INB(IDE_LCYL_REG);
- args->hobRegister[IDE_HCYL_OFFSET] = hwif->INB(IDE_HCYL_REG);
+ tf->hob_feature = hwif->INB(IDE_FEATURE_REG);
+ tf->hob_nsect = hwif->INB(IDE_NSECTOR_REG);
+ tf->hob_lbal = hwif->INB(IDE_SECTOR_REG);
+ tf->hob_lbam = hwif->INB(IDE_LCYL_REG);
+ tf->hob_lbah = hwif->INB(IDE_HCYL_REG);
}
}
} else if (blk_pm_request(rq)) {
return __ide_abort(drive, rq);
}
-/**
- * ide_cmd - issue a simple drive command
- * @drive: drive the command is for
- * @cmd: command byte
- * @nsect: sector byte
- * @handler: handler for the command completion
- *
- * Issue a simple drive command with interrupts.
- * The drive must be selected beforehand.
- */
-
-static void ide_cmd (ide_drive_t *drive, u8 cmd, u8 nsect,
- ide_handler_t *handler)
-{
- ide_hwif_t *hwif = HWIF(drive);
- if (IDE_CONTROL_REG)
- hwif->OUTB(drive->ctl,IDE_CONTROL_REG); /* clear nIEN */
- SELECT_MASK(drive,0);
- hwif->OUTB(nsect,IDE_NSECTOR_REG);
- ide_execute_command(drive, cmd, handler, WAIT_CMD, NULL);
-}
-
/**
* drive_cmd_intr - drive command completion interrupt
* @drive: drive the completion interrupt occurred on
int retries = 10;
local_irq_enable_in_hardirq();
- if ((stat & DRQ_STAT) && args && args[3]) {
+ if (rq->cmd_type == REQ_TYPE_ATA_CMD &&
+ (stat & DRQ_STAT) && args && args[3]) {
u8 io_32bit = drive->io_32bit;
drive->io_32bit = 0;
hwif->ata_input_data(drive, &args[4], args[3] * SECTOR_WORDS);
static void ide_init_specify_cmd(ide_drive_t *drive, ide_task_t *task)
{
- task->tfRegister[IDE_NSECTOR_OFFSET] = drive->sect;
- task->tfRegister[IDE_SECTOR_OFFSET] = drive->sect;
- task->tfRegister[IDE_LCYL_OFFSET] = drive->cyl;
- task->tfRegister[IDE_HCYL_OFFSET] = drive->cyl>>8;
- task->tfRegister[IDE_SELECT_OFFSET] = ((drive->head-1)|drive->select.all)&0xBF;
- task->tfRegister[IDE_COMMAND_OFFSET] = WIN_SPECIFY;
+ task->tf.nsect = drive->sect;
+ task->tf.lbal = drive->sect;
+ task->tf.lbam = drive->cyl;
+ task->tf.lbah = drive->cyl >> 8;
+ task->tf.device = ((drive->head - 1) | drive->select.all) & ~ATA_LBA;
+ task->tf.command = WIN_SPECIFY;
task->handler = &set_geometry_intr;
}
static void ide_init_restore_cmd(ide_drive_t *drive, ide_task_t *task)
{
- task->tfRegister[IDE_NSECTOR_OFFSET] = drive->sect;
- task->tfRegister[IDE_COMMAND_OFFSET] = WIN_RESTORE;
+ task->tf.nsect = drive->sect;
+ task->tf.command = WIN_RESTORE;
task->handler = &recal_intr;
}
static void ide_init_setmult_cmd(ide_drive_t *drive, ide_task_t *task)
{
- task->tfRegister[IDE_NSECTOR_OFFSET] = drive->mult_req;
- task->tfRegister[IDE_COMMAND_OFFSET] = WIN_SETMULT;
+ task->tf.nsect = drive->mult_req;
+ task->tf.command = WIN_SETMULT;
task->handler = &set_multmode_intr;
}
return ide_stopped;
}
+ args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
+
do_rw_taskfile(drive, &args);
return ide_started;
struct request *rq)
{
ide_hwif_t *hwif = HWIF(drive);
+ u8 *args = rq->buffer;
+ ide_task_t ltask;
+ struct ide_taskfile *tf = <ask.tf;
+
if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
- ide_task_t *args = rq->special;
+ ide_task_t *task = rq->special;
- if (!args)
+ if (task == NULL)
goto done;
- hwif->data_phase = args->data_phase;
+ hwif->data_phase = task->data_phase;
switch (hwif->data_phase) {
case TASKFILE_MULTI_OUT:
break;
}
- if (args->tf_out_flags.all != 0)
- return flagged_taskfile(drive, args);
- return do_rw_taskfile(drive, args);
- } else if (rq->cmd_type == REQ_TYPE_ATA_TASK) {
- u8 *args = rq->buffer;
- u8 sel;
-
- if (!args)
- goto done;
-#ifdef DEBUG
- printk("%s: DRIVE_TASK_CMD ", drive->name);
- printk("cmd=0x%02x ", args[0]);
- printk("fr=0x%02x ", args[1]);
- printk("ns=0x%02x ", args[2]);
- printk("sc=0x%02x ", args[3]);
- printk("lcyl=0x%02x ", args[4]);
- printk("hcyl=0x%02x ", args[5]);
- printk("sel=0x%02x\n", args[6]);
-#endif
- hwif->OUTB(args[1], IDE_FEATURE_REG);
- hwif->OUTB(args[3], IDE_SECTOR_REG);
- hwif->OUTB(args[4], IDE_LCYL_REG);
- hwif->OUTB(args[5], IDE_HCYL_REG);
- sel = (args[6] & ~0x10);
- if (drive->select.b.unit)
- sel |= 0x10;
- hwif->OUTB(sel, IDE_SELECT_REG);
- ide_cmd(drive, args[0], args[2], &drive_cmd_intr);
- return ide_started;
- } else if (rq->cmd_type == REQ_TYPE_ATA_CMD) {
- u8 *args = rq->buffer;
-
- if (!args)
- goto done;
+ if (task->tf_flags & IDE_TFLAG_FLAGGED)
+ return flagged_taskfile(drive, task);
+
+ return do_rw_taskfile(drive, task);
+ }
+
+ if (args == NULL)
+ goto done;
+
+ memset(<ask, 0, sizeof(ltask));
+ if (rq->cmd_type == REQ_TYPE_ATA_CMD) {
#ifdef DEBUG
- printk("%s: DRIVE_CMD ", drive->name);
- printk("cmd=0x%02x ", args[0]);
- printk("sc=0x%02x ", args[1]);
- printk("fr=0x%02x ", args[2]);
- printk("xx=0x%02x\n", args[3]);
+ printk("%s: DRIVE_CMD\n", drive->name);
#endif
- if (args[0] == WIN_SMART) {
- hwif->OUTB(0x4f, IDE_LCYL_REG);
- hwif->OUTB(0xc2, IDE_HCYL_REG);
- hwif->OUTB(args[2],IDE_FEATURE_REG);
- hwif->OUTB(args[1],IDE_SECTOR_REG);
- ide_cmd(drive, args[0], args[3], &drive_cmd_intr);
- return ide_started;
- }
- hwif->OUTB(args[2],IDE_FEATURE_REG);
- ide_cmd(drive, args[0], args[1], &drive_cmd_intr);
- return ide_started;
+ tf->feature = args[2];
+ if (args[0] == WIN_SMART) {
+ tf->nsect = args[3];
+ tf->lbal = args[1];
+ tf->lbam = 0x4f;
+ tf->lbah = 0xc2;
+ ltask.tf_flags = IDE_TFLAG_OUT_TF;
+ } else {
+ tf->nsect = args[1];
+ ltask.tf_flags = IDE_TFLAG_OUT_FEATURE |
+ IDE_TFLAG_OUT_NSECT;
+ }
}
+ tf->command = args[0];
+ ide_tf_load(drive, <ask);
+ ide_execute_command(drive, args[0], &drive_cmd_intr, WAIT_WORSTCASE, NULL);
+ return ide_started;
done:
/*
if (rc)
printk(KERN_WARNING "%s: bus not ready on wakeup\n", drive->name);
SELECT_DRIVE(drive);
- HWIF(drive)->OUTB(8, HWIF(drive)->io_ports[IDE_CONTROL_OFFSET]);
+ if (IDE_CONTROL_REG)
+ HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
rc = ide_wait_not_busy(HWIF(drive), 100000);
if (rc)
printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);
/* bail early if we've exceeded max_failures */
if (drive->max_failures && (drive->failures > drive->max_failures)) {
+ rq->cmd_flags |= REQ_FAILED;
goto kill_rq;
}
ide_config_drive_speed(drive, drive->desired_speed);
if (rq->cmd_type == REQ_TYPE_ATA_CMD ||
- rq->cmd_type == REQ_TYPE_ATA_TASK ||
rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
return execute_drive_cmd(drive, rq);
else if (blk_pm_request(rq)) {
if (hwgroup->hwif->sharing_irq &&
hwif != hwgroup->hwif &&
hwif->io_ports[IDE_CONTROL_OFFSET]) {
- /* set nIEN for previous hwif */
- SELECT_INTERRUPT(drive);
+ /*
+ * set nIEN for previous hwif, drives in the
+ * quirk_list may not like intr setups/cleanups
+ */
+ if (drive->quirk_list != 1)
+ hwif->OUTB(drive->ctl | 2, IDE_CONTROL_REG);
}
hwgroup->hwif = hwif;
hwgroup->drive = drive;
*/
spin_unlock(&ide_lock);
hwif = HWIF(drive);
-#if DISABLE_IRQ_NOSYNC
- disable_irq_nosync(hwif->irq);
-#else
/* disable_irq_nosync ?? */
disable_irq(hwif->irq);
-#endif /* DISABLE_IRQ_NOSYNC */
/* local CPU only,
* as if we were handling an interrupt */
local_irq_disable();
}
EXPORT_SYMBOL(ide_do_drive_cmd);
+
+void ide_pktcmd_tf_load(ide_drive_t *drive, u32 tf_flags, u16 bcount, u8 dma)
+{
+ ide_task_t task;
+
+ memset(&task, 0, sizeof(task));
+ task.tf_flags = IDE_TFLAG_OUT_LBAH | IDE_TFLAG_OUT_LBAM |
+ IDE_TFLAG_OUT_FEATURE | tf_flags;
+ task.tf.feature = dma; /* Use PIO/DMA */
+ task.tf.lbam = bcount & 0xff;
+ task.tf.lbah = (bcount >> 8) & 0xff;
+
+ ide_tf_load(drive, &task);
+}
+
+EXPORT_SYMBOL_GPL(ide_pktcmd_tf_load);
projects / linux-2.6-omap-h63xx.git / blobdiff