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path: root/drivers/ide/pci/scc_pata.c
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Diffstat (limited to 'drivers/ide/pci/scc_pata.c')
-rw-r--r--drivers/ide/pci/scc_pata.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index ad7cdf9060ca..a7a2c58482a2 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -618,6 +618,38 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
618 return rc; 618 return rc;
619} 619}
620 620
621static void scc_input_data(ide_drive_t *drive, struct request *rq,
622 void *buf, unsigned int len)
623{
624 unsigned long data_addr = drive->hwif->io_ports.data_addr;
625
626 len++;
627
628 if (drive->io_32bit) {
629 scc_ide_insl(data_addr, buf, len / 4);
630
631 if ((len & 3) >= 2)
632 scc_ide_insw(data_addr, (u8 *)buf + (len & ~3), 1);
633 } else
634 scc_ide_insw(data_addr, buf, len / 2);
635}
636
637static void scc_output_data(ide_drive_t *drive, struct request *rq,
638 void *buf, unsigned int len)
639{
640 unsigned long data_addr = drive->hwif->io_ports.data_addr;
641
642 len++;
643
644 if (drive->io_32bit) {
645 scc_ide_outsl(data_addr, buf, len / 4);
646
647 if ((len & 3) >= 2)
648 scc_ide_outsw(data_addr, (u8 *)buf + (len & ~3), 1);
649 } else
650 scc_ide_outsw(data_addr, buf, len / 2);
651}
652
621/** 653/**
622 * init_mmio_iops_scc - set up the iops for MMIO 654 * init_mmio_iops_scc - set up the iops for MMIO
623 * @hwif: interface to set up 655 * @hwif: interface to set up
@@ -632,6 +664,9 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif)
632 664
633 ide_set_hwifdata(hwif, ports); 665 ide_set_hwifdata(hwif, ports);
634 666
667 hwif->input_data = scc_input_data;
668 hwif->output_data = scc_output_data;
669
635 hwif->INB = scc_ide_inb; 670 hwif->INB = scc_ide_inb;
636 hwif->INW = scc_ide_inw; 671 hwif->INW = scc_ide_inw;
637 hwif->INSW = scc_ide_insw; 672 hwif->INSW = scc_ide_insw;