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path: root/drivers/ide/ide-taskfile.c
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Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r--drivers/ide/ide-taskfile.c89
1 files changed, 27 insertions, 62 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 4c86a8d84b4c..9a846a0cd5a4 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -33,58 +33,18 @@
#include <asm/uaccess.h>
#include <asm/io.h>
-void ide_tf_load(ide_drive_t *drive, ide_task_t *task)
+void ide_tf_dump(const char *s, struct ide_taskfile *tf)
{
- ide_hwif_t *hwif = drive->hwif;
- struct ide_taskfile *tf = &task->tf;
- u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
-
- if (task->tf_flags & IDE_TFLAG_FLAGGED)
- HIHI = 0xFF;
-
#ifdef DEBUG
printk("%s: tf: feat 0x%02x nsect 0x%02x lbal 0x%02x "
"lbam 0x%02x lbah 0x%02x dev 0x%02x cmd 0x%02x\n",
- drive->name, tf->feature, tf->nsect, tf->lbal,
+ s, tf->feature, tf->nsect, tf->lbal,
tf->lbam, tf->lbah, tf->device, tf->command);
printk("%s: hob: nsect 0x%02x lbal 0x%02x "
"lbam 0x%02x lbah 0x%02x\n",
- drive->name, tf->hob_nsect, tf->hob_lbal,
+ s, tf->hob_nsect, tf->hob_lbal,
tf->hob_lbam, tf->hob_lbah);
#endif
-
- ide_set_irq(drive, 1);
-
- if ((task->tf_flags & IDE_TFLAG_NO_SELECT_MASK) == 0)
- SELECT_MASK(drive, 0);
-
- if (task->tf_flags & IDE_TFLAG_OUT_DATA)
- hwif->OUTW((tf->hob_data << 8) | tf->data, IDE_DATA_REG);
-
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
- hwif->OUTB(tf->hob_feature, IDE_FEATURE_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
- hwif->OUTB(tf->hob_nsect, IDE_NSECTOR_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
- hwif->OUTB(tf->hob_lbal, IDE_SECTOR_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
- hwif->OUTB(tf->hob_lbam, IDE_LCYL_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
- hwif->OUTB(tf->hob_lbah, IDE_HCYL_REG);
-
- if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
- hwif->OUTB(tf->feature, IDE_FEATURE_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
- hwif->OUTB(tf->nsect, IDE_NSECTOR_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
- hwif->OUTB(tf->lbal, IDE_SECTOR_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
- hwif->OUTB(tf->lbam, IDE_LCYL_REG);
- if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
- hwif->OUTB(tf->lbah, IDE_HCYL_REG);
-
- if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
- hwif->OUTB((tf->device & HIHI) | drive->select.all, IDE_SELECT_REG);
}
int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
@@ -133,6 +93,7 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
ide_hwif_t *hwif = HWIF(drive);
struct ide_taskfile *tf = &task->tf;
ide_handler_t *handler = NULL;
+ const struct ide_dma_ops *dma_ops = hwif->dma_ops;
if (task->data_phase == TASKFILE_MULTI_IN ||
task->data_phase == TASKFILE_MULTI_OUT) {
@@ -146,13 +107,15 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
if (task->tf_flags & IDE_TFLAG_FLAGGED)
task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS;
- if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0)
- ide_tf_load(drive, task);
+ if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
+ ide_tf_dump(drive->name, tf);
+ hwif->tf_load(drive, task);
+ }
switch (task->data_phase) {
case TASKFILE_MULTI_OUT:
case TASKFILE_OUT:
- hwif->OUTBSYNC(drive, tf->command, IDE_COMMAND_REG);
+ hwif->OUTBSYNC(drive, tf->command, hwif->io_ports.command_addr);
ndelay(400); /* FIXME */
return pre_task_out_intr(drive, task->rq);
case TASKFILE_MULTI_IN:
@@ -175,10 +138,10 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
return ide_started;
default:
if (task_dma_ok(task) == 0 || drive->using_dma == 0 ||
- hwif->dma_setup(drive))
+ dma_ops->dma_setup(drive))
return ide_stopped;
- hwif->dma_exec_cmd(drive, tf->command);
- hwif->dma_start(drive);
+ dma_ops->dma_exec_cmd(drive, tf->command);
+ dma_ops->dma_start(drive);
return ide_started;
}
}
@@ -280,7 +243,8 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
return stat;
}
-static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
+static void ide_pio_sector(ide_drive_t *drive, struct request *rq,
+ unsigned int write)
{
ide_hwif_t *hwif = drive->hwif;
struct scatterlist *sg = hwif->sg_table;
@@ -320,9 +284,9 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
/* do the actual data transfer */
if (write)
- hwif->ata_output_data(drive, buf, SECTOR_WORDS);
+ hwif->output_data(drive, rq, buf, SECTOR_SIZE);
else
- hwif->ata_input_data(drive, buf, SECTOR_WORDS);
+ hwif->input_data(drive, rq, buf, SECTOR_SIZE);
kunmap_atomic(buf, KM_BIO_SRC_IRQ);
#ifdef CONFIG_HIGHMEM
@@ -330,13 +294,14 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
#endif
}
-static void ide_pio_multi(ide_drive_t *drive, unsigned int write)
+static void ide_pio_multi(ide_drive_t *drive, struct request *rq,
+ unsigned int write)
{
unsigned int nsect;
nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count);
while (nsect--)
- ide_pio_sector(drive, write);
+ ide_pio_sector(drive, rq, write);
}
static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
@@ -359,10 +324,10 @@ static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
switch (drive->hwif->data_phase) {
case TASKFILE_MULTI_IN:
case TASKFILE_MULTI_OUT:
- ide_pio_multi(drive, write);
+ ide_pio_multi(drive, rq, write);
break;
default:
- ide_pio_sector(drive, write);
+ ide_pio_sector(drive, rq, write);
break;
}
@@ -452,7 +417,7 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive)
/* Error? */
if (stat & ERR_STAT)
- return task_error(drive, rq, __FUNCTION__, stat);
+ return task_error(drive, rq, __func__, stat);
/* Didn't want any data? Odd. */
if (!(stat & DRQ_STAT))
@@ -464,7 +429,7 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive)
if (!hwif->nleft) {
stat = wait_drive_not_busy(drive);
if (!OK_STAT(stat, 0, BAD_STAT))
- return task_error(drive, rq, __FUNCTION__, stat);
+ return task_error(drive, rq, __func__, stat);
task_end_request(drive, rq, stat);
return ide_stopped;
}
@@ -485,11 +450,11 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive)
u8 stat = ide_read_status(drive);
if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
- return task_error(drive, rq, __FUNCTION__, stat);
+ return task_error(drive, rq, __func__, stat);
/* Deal with unexpected ATA data phase. */
if (((stat & DRQ_STAT) == 0) ^ !hwif->nleft)
- return task_error(drive, rq, __FUNCTION__, stat);
+ return task_error(drive, rq, __func__, stat);
if (!hwif->nleft) {
task_end_request(drive, rq, stat);
@@ -672,7 +637,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
/* (hs): give up if multcount is not set */
printk(KERN_ERR "%s: %s Multimode Write " \
"multcount is not set\n",
- drive->name, __FUNCTION__);
+ drive->name, __func__);
err = -EPERM;
goto abort;
}
@@ -689,7 +654,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
/* (hs): give up if multcount is not set */
printk(KERN_ERR "%s: %s Multimode Read failure " \
"multcount is not set\n",
- drive->name, __FUNCTION__);
+ drive->name, __func__);
err = -EPERM;
goto abort;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 09:56:24 +0100