*/
if (drive->hwif->ide_dma_on == NULL)
break;
- drive->hwif->dma_off_quietly(drive);
/*
* TODO: respect ->using_dma setting
*/
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;
+ args->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
+ args->data_phase = TASKFILE_NO_DATA;
return do_rw_taskfile(drive, args);
}
spin_unlock_irqrestore(&ide_lock, flags);
}
+void ide_tf_read(ide_drive_t *drive, ide_task_t *task)
+{
+ ide_hwif_t *hwif = drive->hwif;
+ struct ide_taskfile *tf = &task->tf;
+
+ if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+ u16 data = hwif->INW(IDE_DATA_REG);
+
+ tf->data = data & 0xff;
+ tf->hob_data = (data >> 8) & 0xff;
+ }
+
+ /* be sure we're looking at the low order bits */
+ hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
+
+ if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+ tf->nsect = hwif->INB(IDE_NSECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+ tf->lbal = hwif->INB(IDE_SECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+ tf->lbam = hwif->INB(IDE_LCYL_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+ tf->lbah = hwif->INB(IDE_HCYL_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+ tf->device = hwif->INB(IDE_SELECT_REG);
+
+ if (task->tf_flags & IDE_TFLAG_LBA48) {
+ hwif->OUTB(drive->ctl | 0x80, IDE_CONTROL_REG);
+
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+ tf->hob_feature = hwif->INB(IDE_FEATURE_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+ tf->hob_nsect = hwif->INB(IDE_NSECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+ tf->hob_lbal = hwif->INB(IDE_SECTOR_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+ tf->hob_lbam = hwif->INB(IDE_LCYL_REG);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+ tf->hob_lbah = hwif->INB(IDE_HCYL_REG);
+ }
+}
+
/**
* ide_end_drive_cmd - end an explicit drive command
* @drive: command
if (args) {
struct ide_taskfile *tf = &args->tf;
- if (args->tf_in_flags.b.data) {
- u16 data = hwif->INW(IDE_DATA_REG);
-
- tf->data = data & 0xff;
- tf->hob_data = (data >> 8) & 0xff;
- }
tf->error = err;
- /* be sure we're looking at the low order bits */
- hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
- 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);
- 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);
- }
+ args->tf_flags |= (IDE_TFLAG_IN_TF|IDE_TFLAG_IN_DEVICE);
+ if (args->tf_flags & IDE_TFLAG_LBA48)
+ args->tf_flags |= IDE_TFLAG_IN_HOB;
+
+ ide_tf_read(drive, args);
}
} else if (blk_pm_request(rq)) {
struct request_pm_state *pm = rq->data;
return ide_stopped;
}
-static void ide_init_specify_cmd(ide_drive_t *drive, ide_task_t *task)
+static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
{
- 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;
+ tf->nsect = drive->sect;
+ tf->lbal = drive->sect;
+ tf->lbam = drive->cyl;
+ tf->lbah = drive->cyl >> 8;
+ tf->device = ((drive->head - 1) | drive->select.all) & ~ATA_LBA;
+ tf->command = WIN_SPECIFY;
}
-static void ide_init_restore_cmd(ide_drive_t *drive, ide_task_t *task)
+static void ide_tf_set_restore_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
{
- task->tf.nsect = drive->sect;
- task->tf.command = WIN_RESTORE;
-
- task->handler = &recal_intr;
+ tf->nsect = drive->sect;
+ tf->command = WIN_RESTORE;
}
-static void ide_init_setmult_cmd(ide_drive_t *drive, ide_task_t *task)
+static void ide_tf_set_setmult_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
{
- task->tf.nsect = drive->mult_req;
- task->tf.command = WIN_SETMULT;
-
- task->handler = &set_multmode_intr;
+ tf->nsect = drive->mult_req;
+ tf->command = WIN_SETMULT;
}
static ide_startstop_t ide_disk_special(ide_drive_t *drive)
ide_task_t args;
memset(&args, 0, sizeof(ide_task_t));
- args.command_type = IDE_DRIVE_TASK_NO_DATA;
+ args.data_phase = TASKFILE_NO_DATA;
if (s->b.set_geometry) {
s->b.set_geometry = 0;
- ide_init_specify_cmd(drive, &args);
+ ide_tf_set_specify_cmd(drive, &args.tf);
} else if (s->b.recalibrate) {
s->b.recalibrate = 0;
- ide_init_restore_cmd(drive, &args);
+ ide_tf_set_restore_cmd(drive, &args.tf);
} else if (s->b.set_multmode) {
s->b.set_multmode = 0;
if (drive->mult_req > drive->id->max_multsect)
drive->mult_req = drive->id->max_multsect;
- ide_init_setmult_cmd(drive, &args);
+ ide_tf_set_setmult_cmd(drive, &args.tf);
} else if (s->all) {
int special = s->all;
s->all = 0;
return ide_stopped;
}
- args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
+ args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE |
+ IDE_TFLAG_CUSTOM_HANDLER;
do_rw_taskfile(drive, &args);
break;
}
- if (task->tf_flags & IDE_TFLAG_FLAGGED)
- return flagged_taskfile(drive, task);
-
return do_rw_taskfile(drive, task);
}
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 / blobdiff