memset(&args, 0, sizeof(ide_task_t));
args.tf.nsect = 0x01;
if (drive->media == ide_disk)
- args.tf.command = WIN_IDENTIFY;
+ args.tf.command = ATA_CMD_ID_ATA;
else
- args.tf.command = WIN_PIDENTIFY;
+ args.tf.command = ATA_CMD_ID_ATAPI;
args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
args.data_phase = TASKFILE_IN;
return ide_raw_taskfile(drive, &args, buf, 1);
}
static ide_startstop_t task_no_data_intr(ide_drive_t *);
-static ide_startstop_t set_geometry_intr(ide_drive_t *);
-static ide_startstop_t recal_intr(ide_drive_t *);
-static ide_startstop_t set_multmode_intr(ide_drive_t *);
static ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
static ide_startstop_t task_in_intr(ide_drive_t *);
if (task->tf_flags & IDE_TFLAG_FLAGGED)
task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS;
+ memcpy(&hwif->task, task, sizeof(*task));
+
if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
ide_tf_dump(drive->name, tf);
tp_ops->set_irq(hwif, 1);
case TASKFILE_NO_DATA:
if (handler == NULL)
handler = task_no_data_intr;
- /* WIN_{SPECIFY,RESTORE,SETMULT} use custom handlers */
- if (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) {
- switch (tf->command) {
- case WIN_SPECIFY: handler = set_geometry_intr; break;
- case WIN_RESTORE: handler = recal_intr; break;
- case WIN_SETMULT: handler = set_multmode_intr; break;
- }
- }
ide_execute_command(drive, tf->command, handler,
WAIT_WORSTCASE, NULL);
return ide_started;
default:
- if (drive->using_dma == 0 || dma_ops->dma_setup(drive))
+ if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0 ||
+ dma_ops->dma_setup(drive))
return ide_stopped;
dma_ops->dma_exec_cmd(drive, tf->command);
dma_ops->dma_start(drive);
EXPORT_SYMBOL_GPL(do_rw_taskfile);
/*
- * set_multmode_intr() is invoked on completion of a WIN_SETMULT cmd.
- */
-static ide_startstop_t set_multmode_intr(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- u8 stat = hwif->tp_ops->read_status(hwif);
-
- if (OK_STAT(stat, READY_STAT, BAD_STAT))
- drive->mult_count = drive->mult_req;
- else {
- drive->mult_req = drive->mult_count = 0;
- drive->special.b.recalibrate = 1;
- (void) ide_dump_status(drive, "set_multmode", stat);
- }
- return ide_stopped;
-}
-
-/*
- * set_geometry_intr() is invoked on completion of a WIN_SPECIFY cmd.
+ * Handler for commands without a data phase
*/
-static ide_startstop_t set_geometry_intr(ide_drive_t *drive)
+static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- int retries = 5;
+ ide_task_t *task = &hwif->task;
+ struct ide_taskfile *tf = &task->tf;
+ int custom = (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) ? 1 : 0;
+ int retries = (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) ? 5 : 1;
u8 stat;
+ local_irq_enable_in_hardirq();
+
while (1) {
stat = hwif->tp_ops->read_status(hwif);
- if ((stat & BUSY_STAT) == 0 || retries-- == 0)
+ if ((stat & ATA_BUSY) == 0 || retries-- == 0)
break;
udelay(10);
};
- if (OK_STAT(stat, READY_STAT, BAD_STAT))
- return ide_stopped;
-
- if (stat & (ERR_STAT|DRQ_STAT))
- return ide_error(drive, "set_geometry_intr", stat);
-
- ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL);
- return ide_started;
-}
-
-/*
- * recal_intr() is invoked on completion of a WIN_RESTORE (recalibrate) cmd.
- */
-static ide_startstop_t recal_intr(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- u8 stat = hwif->tp_ops->read_status(hwif);
-
- if (!OK_STAT(stat, READY_STAT, BAD_STAT))
- return ide_error(drive, "recal_intr", stat);
- return ide_stopped;
-}
-
-/*
- * Handler for commands without a data phase
- */
-static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- ide_task_t *args = hwif->hwgroup->rq->special;
- u8 stat;
-
- local_irq_enable_in_hardirq();
- stat = hwif->tp_ops->read_status(hwif);
-
- if (!OK_STAT(stat, READY_STAT, BAD_STAT))
+ if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) {
+ if (custom && tf->command == ATA_CMD_SET_MULTI) {
+ drive->mult_req = drive->mult_count = 0;
+ drive->special.b.recalibrate = 1;
+ (void)ide_dump_status(drive, __func__, stat);
+ return ide_stopped;
+ } else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) {
+ if ((stat & (ATA_ERR | ATA_DRQ)) == 0) {
+ ide_set_handler(drive, &task_no_data_intr,
+ WAIT_WORSTCASE, NULL);
+ return ide_started;
+ }
+ }
return ide_error(drive, "task_no_data_intr", stat);
/* calls ide_end_drive_cmd */
+ }
- if (args)
+ if (!custom)
ide_end_drive_cmd(drive, stat, ide_read_error(drive));
+ else if (tf->command == ATA_CMD_SET_MULTI)
+ drive->mult_count = drive->mult_req;
return ide_stopped;
}
for (retries = 0; retries < 1000; retries++) {
stat = hwif->tp_ops->read_status(hwif);
- if (stat & BUSY_STAT)
+ if (stat & ATA_BUSY)
udelay(10);
else
break;
}
- if (stat & BUSY_STAT)
+ if (stat & ATA_BUSY)
printk(KERN_ERR "%s: drive still BUSY!\n", drive->name);
return stat;
static ide_startstop_t task_in_unexpected(ide_drive_t *drive, struct request *rq, u8 stat)
{
/* Command all done? */
- if (OK_STAT(stat, READY_STAT, BUSY_STAT)) {
+ if (OK_STAT(stat, ATA_DRDY, ATA_BUSY)) {
task_end_request(drive, rq, stat);
return ide_stopped;
}
u8 stat = hwif->tp_ops->read_status(hwif);
/* Error? */
- if (stat & ERR_STAT)
+ if (stat & ATA_ERR)
return task_error(drive, rq, __func__, stat);
/* Didn't want any data? Odd. */
- if (!(stat & DRQ_STAT))
+ if ((stat & ATA_DRQ) == 0)
return task_in_unexpected(drive, rq, stat);
ide_pio_datablock(drive, rq, 0);
return task_error(drive, rq, __func__, stat);
/* Deal with unexpected ATA data phase. */
- if (((stat & DRQ_STAT) == 0) ^ !hwif->nleft)
+ if (((stat & ATA_DRQ) == 0) ^ !hwif->nleft)
return task_error(drive, rq, __func__, stat);
if (!hwif->nleft) {
{
ide_startstop_t startstop;
- if (ide_wait_stat(&startstop, drive, DRQ_STAT,
+ if (ide_wait_stat(&startstop, drive, ATA_DRQ,
drive->bad_wstat, WAIT_DRQ)) {
printk(KERN_ERR "%s: no DRQ after issuing %sWRITE%s\n",
- drive->name,
- drive->hwif->data_phase ? "MULT" : "",
- drive->addressing ? "_EXT" : "");
+ drive->name, drive->hwif->data_phase ? "MULT" : "",
+ (drive->dev_flags & IDE_DFLAG_LBA48) ? "_EXT" : "");
return startstop;
}
- if (!drive->unmask)
+ if ((drive->dev_flags & IDE_DFLAG_UNMASK) == 0)
local_irq_disable();
ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL);
args.tf_flags = IDE_TFLAG_IO_16BIT | IDE_TFLAG_DEVICE |
IDE_TFLAG_IN_TF;
- if (drive->addressing == 1)
+ if (drive->dev_flags & IDE_DFLAG_LBA48)
args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_IN_HOB);
if (req_task->out_flags.all) {
if ((args.tf_flags & IDE_TFLAG_FLAGGED_SET_IN_FLAGS) &&
req_task->in_flags.all == 0) {
req_task->in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
- if (drive->addressing == 1)
+ if (drive->dev_flags & IDE_DFLAG_LBA48)
req_task->in_flags.all |= (IDE_HOB_STD_IN_FLAGS << 8);
}
return err;
}
#endif
-
-int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
-{
- u8 *buf = NULL;
- int bufsize = 0, err = 0;
- u8 args[4], xfer_rate = 0;
- ide_task_t tfargs;
- struct ide_taskfile *tf = &tfargs.tf;
- struct hd_driveid *id = drive->id;
-
- if (NULL == (void *) arg) {
- struct request *rq;
-
- rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
- rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
- err = blk_execute_rq(drive->queue, NULL, rq, 0);
- blk_put_request(rq);
-
- return err;
- }
-
- if (copy_from_user(args, (void __user *)arg, 4))
- return -EFAULT;
-
- memset(&tfargs, 0, sizeof(ide_task_t));
- tf->feature = args[2];
- if (args[0] == WIN_SMART) {
- tf->nsect = args[3];
- tf->lbal = args[1];
- tf->lbam = 0x4f;
- tf->lbah = 0xc2;
- tfargs.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_IN_NSECT;
- } else {
- tf->nsect = args[1];
- tfargs.tf_flags = IDE_TFLAG_OUT_FEATURE |
- IDE_TFLAG_OUT_NSECT | IDE_TFLAG_IN_NSECT;
- }
- tf->command = args[0];
- tfargs.data_phase = args[3] ? TASKFILE_IN : TASKFILE_NO_DATA;
-
- if (args[3]) {
- tfargs.tf_flags |= IDE_TFLAG_IO_16BIT;
- bufsize = SECTOR_WORDS * 4 * args[3];
- buf = kzalloc(bufsize, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
- }
-
- if (tf->command == WIN_SETFEATURES &&
- tf->feature == SETFEATURES_XFER &&
- tf->nsect >= XFER_SW_DMA_0 &&
- (id->dma_ultra || id->dma_mword || id->dma_1word)) {
- xfer_rate = args[1];
- if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) {
- printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot "
- "be set\n", drive->name);
- goto abort;
- }
- }
-
- err = ide_raw_taskfile(drive, &tfargs, buf, args[3]);
-
- args[0] = tf->status;
- args[1] = tf->error;
- args[2] = tf->nsect;
-
- if (!err && xfer_rate) {
- /* active-retuning-calls future */
- ide_set_xfer_rate(drive, xfer_rate);
- ide_driveid_update(drive);
- }
-abort:
- if (copy_to_user((void __user *)arg, &args, 4))
- err = -EFAULT;
- if (buf) {
- if (copy_to_user((void __user *)(arg + 4), buf, bufsize))
- err = -EFAULT;
- kfree(buf);
- }
- return err;
-}
-
-int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
-{
- void __user *p = (void __user *)arg;
- int err = 0;
- u8 args[7];
- ide_task_t task;
-
- if (copy_from_user(args, p, 7))
- return -EFAULT;
-
- memset(&task, 0, sizeof(task));
- memcpy(&task.tf_array[7], &args[1], 6);
- task.tf.command = args[0];
- task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
-
- err = ide_no_data_taskfile(drive, &task);
-
- args[0] = task.tf.command;
- memcpy(&args[1], &task.tf_array[7], 6);
-
- if (copy_to_user(p, args, 7))
- err = -EFAULT;
-
- return err;
-}
projects / linux-2.6-omap-h63xx.git / blobdiff