From 2fc573881957337c4ea1c84b92d2f27d076cad57 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 25 Jan 2008 22:17:13 +0100 Subject: [PATCH] ide: add ide_pktcmd_tf_load() helper Add ide_pktcmd_tf_load() helper and convert ATAPI device drivers to use it. There should be no functionality changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 10 ++-------- drivers/ide/ide-floppy.c | 9 ++------- drivers/ide/ide-io.c | 16 ++++++++++++++++ drivers/ide/ide-tape.c | 9 +++------ drivers/scsi/ide-scsi.c | 6 +----- include/linux/ide.h | 2 ++ 6 files changed, 26 insertions(+), 26 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 855a23c1c8..44b033ec0a 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -922,14 +922,8 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, info->dma = !hwif->dma_setup(drive); /* Set up the controller registers. */ - if (IDE_CONTROL_REG) - HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG); - HWIF(drive)->OUTB(info->dma, IDE_FEATURE_REG); - HWIF(drive)->OUTB(0, IDE_IREASON_REG); - HWIF(drive)->OUTB(0, IDE_SECTOR_REG); - - HWIF(drive)->OUTB(xferlen & 0xff, IDE_BCOUNTL_REG); - HWIF(drive)->OUTB(xferlen >> 8 , IDE_BCOUNTH_REG); + ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL | + IDE_TFLAG_NO_SELECT_MASK, xferlen, info->dma); if (CDROM_CONFIG_FLAGS (drive)->drq_interrupt) { /* waiting for CDB interrupt, not DMA yet. */ diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index d4fd064cc7..ff8232ef96 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1067,13 +1067,8 @@ static ide_startstop_t idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *p if (test_bit(PC_DMA_RECOMMENDED, &pc->flags) && drive->using_dma) dma = !hwif->dma_setup(drive); - if (IDE_CONTROL_REG) - HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG); - /* Use PIO/DMA */ - hwif->OUTB(dma, IDE_FEATURE_REG); - hwif->OUTB(bcount & 0xff, IDE_BCOUNTL_REG); - hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG); - HWIF(drive)->OUTB(drive->select.all, IDE_SELECT_REG); + ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK | + IDE_TFLAG_OUT_DEVICE, bcount, dma); if (dma) { /* Begin DMA, if necessary */ set_bit(PC_DMA_IN_PROGRESS, &pc->flags); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index d36df77c75..1ed7a8627c 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -1734,3 +1734,19 @@ int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t actio } 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); diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index d1f2446739..3cbca3f462 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2171,12 +2171,9 @@ static ide_startstop_t idetape_issue_packet_command (ide_drive_t *drive, idetape if (test_bit(PC_DMA_RECOMMENDED, &pc->flags) && drive->using_dma) dma_ok = !hwif->dma_setup(drive); - if (IDE_CONTROL_REG) - hwif->OUTB(drive->ctl, IDE_CONTROL_REG); - hwif->OUTB(dma_ok ? 1 : 0, IDE_FEATURE_REG); /* Use PIO/DMA */ - hwif->OUTB(bcount & 0xff, IDE_BCOUNTL_REG); - hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG); - hwif->OUTB(drive->select.all, IDE_SELECT_REG); + ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK | + IDE_TFLAG_OUT_DEVICE, bcount, dma_ok); + if (dma_ok) /* Will begin DMA later */ set_bit(PC_DMA_IN_PROGRESS, &pc->flags); if (test_bit(IDETAPE_DRQ_INTERRUPT, &tape->flags)) { diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 76f0ccd296..02e9189306 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -590,12 +590,8 @@ static ide_startstop_t idescsi_issue_pc (ide_drive_t *drive, idescsi_pc_t *pc) } SELECT_DRIVE(drive); - if (IDE_CONTROL_REG) - HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG); - hwif->OUTB(dma, IDE_FEATURE_REG); - hwif->OUTB(bcount & 0xff, IDE_BCOUNTL_REG); - hwif->OUTB((bcount >> 8) & 0xff, IDE_BCOUNTH_REG); + ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK, bcount, dma); if (dma) set_bit(PC_DMA_OK, &pc->flags); diff --git a/include/linux/ide.h b/include/linux/ide.h index 790ffa7f69..20969eb178 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -968,6 +968,8 @@ extern void QUIRK_LIST(ide_drive_t *); extern int drive_is_ready(ide_drive_t *); +void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); + /* * taskfile io for disks for now...and builds request from ide_ioctl */ -- 2.39.5