diff options
Diffstat (limited to 'drivers/ide/ide-iops.c')
| -rw-r--r-- | drivers/ide/ide-iops.c | 83 |
1 files changed, 56 insertions, 27 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 65275454a20..e981e294307 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -132,8 +132,15 @@ static void ide_tf_load(ide_drive_t *drive, ide_task_t *task) ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; struct ide_taskfile *tf = &task->tf; + void (*tf_outb)(u8 addr, unsigned long port); + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF; + if (mmio) + tf_outb = ide_mm_outb; + else + tf_outb = ide_outb; + if (task->tf_flags & IDE_TFLAG_FLAGGED) HIHI = 0xFF; @@ -142,34 +149,40 @@ static void ide_tf_load(ide_drive_t *drive, ide_task_t *task) 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, io_ports->data_addr); + if (task->tf_flags & IDE_TFLAG_OUT_DATA) { + u16 data = (tf->hob_data << 8) | tf->data; + + if (mmio) + writew(data, (void __iomem *)io_ports->data_addr); + else + outw(data, io_ports->data_addr); + } if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE) - hwif->OUTB(tf->hob_feature, io_ports->feature_addr); + tf_outb(tf->hob_feature, io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT) - hwif->OUTB(tf->hob_nsect, io_ports->nsect_addr); + tf_outb(tf->hob_nsect, io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL) - hwif->OUTB(tf->hob_lbal, io_ports->lbal_addr); + tf_outb(tf->hob_lbal, io_ports->lbal_addr); if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM) - hwif->OUTB(tf->hob_lbam, io_ports->lbam_addr); + tf_outb(tf->hob_lbam, io_ports->lbam_addr); if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH) - hwif->OUTB(tf->hob_lbah, io_ports->lbah_addr); + tf_outb(tf->hob_lbah, io_ports->lbah_addr); if (task->tf_flags & IDE_TFLAG_OUT_FEATURE) - hwif->OUTB(tf->feature, io_ports->feature_addr); + tf_outb(tf->feature, io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_OUT_NSECT) - hwif->OUTB(tf->nsect, io_ports->nsect_addr); + tf_outb(tf->nsect, io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_OUT_LBAL) - hwif->OUTB(tf->lbal, io_ports->lbal_addr); + tf_outb(tf->lbal, io_ports->lbal_addr); if (task->tf_flags & IDE_TFLAG_OUT_LBAM) - hwif->OUTB(tf->lbam, io_ports->lbam_addr); + tf_outb(tf->lbam, io_ports->lbam_addr); if (task->tf_flags & IDE_TFLAG_OUT_LBAH) - hwif->OUTB(tf->lbah, io_ports->lbah_addr); + tf_outb(tf->lbah, io_ports->lbah_addr); if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) - hwif->OUTB((tf->device & HIHI) | drive->select.all, - io_ports->device_addr); + tf_outb((tf->device & HIHI) | drive->select.all, + io_ports->device_addr); } static void ide_tf_read(ide_drive_t *drive, ide_task_t *task) @@ -177,41 +190,57 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task) ide_hwif_t *hwif = drive->hwif; struct ide_io_ports *io_ports = &hwif->io_ports; struct ide_taskfile *tf = &task->tf; + void (*tf_outb)(u8 addr, unsigned long port); + u8 (*tf_inb)(unsigned long port); + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + + if (mmio) { + tf_outb = ide_mm_outb; + tf_inb = ide_mm_inb; + } else { + tf_outb = ide_outb; + tf_inb = ide_inb; + } if (task->tf_flags & IDE_TFLAG_IN_DATA) { - u16 data = hwif->INW(io_ports->data_addr); + u16 data; + + if (mmio) + data = readw((void __iomem *)io_ports->data_addr); + else + data = inw(io_ports->data_addr); 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, io_ports->ctl_addr); + tf_outb(drive->ctl & ~0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) - tf->nsect = hwif->INB(io_ports->nsect_addr); + tf->nsect = tf_inb(io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAL) - tf->lbal = hwif->INB(io_ports->lbal_addr); + tf->lbal = tf_inb(io_ports->lbal_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAM) - tf->lbam = hwif->INB(io_ports->lbam_addr); + tf->lbam = tf_inb(io_ports->lbam_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAH) - tf->lbah = hwif->INB(io_ports->lbah_addr); + tf->lbah = tf_inb(io_ports->lbah_addr); if (task->tf_flags & IDE_TFLAG_IN_DEVICE) - tf->device = hwif->INB(io_ports->device_addr); + tf->device = tf_inb(io_ports->device_addr); if (task->tf_flags & IDE_TFLAG_LBA48) { - hwif->OUTB(drive->ctl | 0x80, io_ports->ctl_addr); + tf_outb(drive->ctl | 0x80, io_ports->ctl_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) - tf->hob_feature = hwif->INB(io_ports->feature_addr); + tf->hob_feature = tf_inb(io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT) - tf->hob_nsect = hwif->INB(io_ports->nsect_addr); + tf->hob_nsect = tf_inb(io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL) - tf->hob_lbal = hwif->INB(io_ports->lbal_addr); + tf->hob_lbal = tf_inb(io_ports->lbal_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM) - tf->hob_lbam = hwif->INB(io_ports->lbam_addr); + tf->hob_lbam = tf_inb(io_ports->lbam_addr); if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH) - tf->hob_lbah = hwif->INB(io_ports->lbah_addr); + tf->hob_lbah = tf_inb(io_ports->lbah_addr); } } |