return ide_stopped;
out_do_tf:
- args->tf_flags = IDE_TFLAG_OUT_TF;
- if (drive->addressing == 1)
- args->tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_OUT_HOB);
+ 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;
- /* be sure we're looking at the low order bits */
- hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
- 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)
tf->device = hwif->INB(IDE_SELECT_REG);
tf->status = stat;
- if (drive->addressing == 1) {
+ if (args->tf_flags & IDE_TFLAG_LBA48) {
hwif->OUTB(drive->ctl|0x80, IDE_CONTROL_REG);
tf->hob_feature = hwif->INB(IDE_FEATURE_REG);
tf->hob_nsect = hwif->INB(IDE_NSECTOR_REG);
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
return ide_stopped;
}
- args.tf_flags = IDE_TFLAG_OUT_TF;
- if (drive->addressing == 1)
- args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_OUT_HOB);
+ args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
do_rw_taskfile(drive, &args);
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_flags & IDE_TFLAG_FLAGGED)
- return flagged_taskfile(drive, args);
+ if (task->tf_flags & IDE_TFLAG_FLAGGED)
+ return flagged_taskfile(drive, task);
- args->tf_flags |= IDE_TFLAG_OUT_TF;
- if (drive->addressing == 1)
- args->tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_OUT_HOB);
+ return do_rw_taskfile(drive, task);
+ }
- return do_rw_taskfile(drive, args);
- } else if (rq->cmd_type == REQ_TYPE_ATA_TASK) {
- u8 *args = rq->buffer;
-
- 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);
- hwif->OUTB((args[6] & 0xEF)|drive->select.all, 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 (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(args[2],IDE_FEATURE_REG);
- hwif->OUTB(args[1],IDE_SECTOR_REG);
- hwif->OUTB(0x4f, IDE_LCYL_REG);
- hwif->OUTB(0xc2, IDE_HCYL_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:
/*
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;
}
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