scc_pata: add ->tf_{load,read} methods
Add ->tf_{load,read} methods so scc_ide_{outb,outw,inb,inw}() can be used directly. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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@ -618,6 +618,90 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
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return rc;
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}
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static void scc_tf_load(ide_drive_t *drive, ide_task_t *task)
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{
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struct ide_io_ports *io_ports = &drive->hwif->io_ports;
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struct ide_taskfile *tf = &task->tf;
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u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
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if (task->tf_flags & IDE_TFLAG_FLAGGED)
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HIHI = 0xFF;
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ide_set_irq(drive, 1);
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if (task->tf_flags & IDE_TFLAG_OUT_DATA)
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scc_ide_outw((tf->hob_data << 8) | tf->data,
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io_ports->data_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
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scc_ide_outb(tf->hob_feature, io_ports->feature_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
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scc_ide_outb(tf->hob_nsect, io_ports->nsect_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
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scc_ide_outb(tf->hob_lbal, io_ports->lbal_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
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scc_ide_outb(tf->hob_lbam, io_ports->lbam_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
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scc_ide_outb(tf->hob_lbah, io_ports->lbah_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
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scc_ide_outb(tf->feature, io_ports->feature_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
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scc_ide_outb(tf->nsect, io_ports->nsect_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
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scc_ide_outb(tf->lbal, io_ports->lbal_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
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scc_ide_outb(tf->lbam, io_ports->lbam_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
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scc_ide_outb(tf->lbah, io_ports->lbah_addr);
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if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
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scc_ide_outb((tf->device & HIHI) | drive->select.all,
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io_ports->device_addr);
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}
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static void scc_tf_read(ide_drive_t *drive, ide_task_t *task)
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{
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struct ide_io_ports *io_ports = &drive->hwif->io_ports;
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struct ide_taskfile *tf = &task->tf;
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if (task->tf_flags & IDE_TFLAG_IN_DATA) {
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u16 data = scc_ide_inw(io_ports->data_addr);
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tf->data = data & 0xff;
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tf->hob_data = (data >> 8) & 0xff;
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}
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/* be sure we're looking at the low order bits */
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scc_ide_outb(drive->ctl & ~0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_NSECT)
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tf->nsect = scc_ide_inb(io_ports->nsect_addr);
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if (task->tf_flags & IDE_TFLAG_IN_LBAL)
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tf->lbal = scc_ide_inb(io_ports->lbal_addr);
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if (task->tf_flags & IDE_TFLAG_IN_LBAM)
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tf->lbam = scc_ide_inb(io_ports->lbam_addr);
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if (task->tf_flags & IDE_TFLAG_IN_LBAH)
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tf->lbah = scc_ide_inb(io_ports->lbah_addr);
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if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
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tf->device = scc_ide_inb(io_ports->device_addr);
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if (task->tf_flags & IDE_TFLAG_LBA48) {
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scc_ide_outb(drive->ctl | 0x80, io_ports->ctl_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
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tf->hob_feature = scc_ide_inb(io_ports->feature_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
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tf->hob_nsect = scc_ide_inb(io_ports->nsect_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
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tf->hob_lbal = scc_ide_inb(io_ports->lbal_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
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tf->hob_lbam = scc_ide_inb(io_ports->lbam_addr);
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if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
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tf->hob_lbah = scc_ide_inb(io_ports->lbah_addr);
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}
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}
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static void scc_input_data(ide_drive_t *drive, struct request *rq,
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void *buf, unsigned int len)
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{
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@ -664,6 +748,9 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif)
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ide_set_hwifdata(hwif, ports);
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hwif->tf_load = scc_tf_load;
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hwif->tf_read = scc_tf_read;
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hwif->input_data = scc_input_data;
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hwif->output_data = scc_output_data;
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