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path: root/drivers/ide/pci/ns87415.c
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Diffstat (limited to 'drivers/ide/pci/ns87415.c')
-rw-r--r--drivers/ide/pci/ns87415.c88
1 files changed, 74 insertions, 14 deletions
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index bf0d3b2931f1..fec4955f449b 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -63,6 +63,48 @@ static u8 superio_ide_inb (unsigned long port)
return inb(port);
}
+static void superio_tf_read(ide_drive_t *drive, ide_task_t *task)
+{
+ struct ide_io_ports *io_ports = &drive->hwif->io_ports;
+ struct ide_taskfile *tf = &task->tf;
+
+ if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+ u16 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 */
+ outb(drive->ctl & ~0x80, io_ports->ctl_addr);
+
+ if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+ tf->nsect = inb(io_ports->nsect_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+ tf->lbal = inb(io_ports->lbal_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+ tf->lbam = inb(io_ports->lbam_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+ tf->lbah = inb(io_ports->lbah_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+ tf->device = superio_ide_inb(io_ports->device_addr);
+
+ if (task->tf_flags & IDE_TFLAG_LBA48) {
+ outb(drive->ctl | 0x80, io_ports->ctl_addr);
+
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+ tf->hob_feature = inb(io_ports->feature_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+ tf->hob_nsect = inb(io_ports->nsect_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+ tf->hob_lbal = inb(io_ports->lbal_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+ tf->hob_lbam = inb(io_ports->lbam_addr);
+ if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+ tf->hob_lbah = inb(io_ports->lbah_addr);
+ }
+}
+
static void __devinit superio_ide_init_iops (struct hwif_s *hwif)
{
struct pci_dev *pdev = to_pci_dev(hwif->dev);
@@ -72,14 +114,16 @@ static void __devinit superio_ide_init_iops (struct hwif_s *hwif)
base = pci_resource_start(pdev, port * 2) & ~3;
dmabase = pci_resource_start(pdev, 4) & ~3;
- superio_ide_status[port] = base + IDE_STATUS_OFFSET;
- superio_ide_select[port] = base + IDE_SELECT_OFFSET;
+ superio_ide_status[port] = base + 7;
+ superio_ide_select[port] = base + 6;
superio_ide_dma_status[port] = dmabase + (!port ? 2 : 0xa);
/* Clear error/interrupt, enable dma */
tmp = superio_ide_inb(superio_ide_dma_status[port]);
outb(tmp | 0x66, superio_ide_dma_status[port]);
+ hwif->tf_read = superio_tf_read;
+
/* We need to override inb to workaround a SuperIO errata */
hwif->INB = superio_ide_inb;
}
@@ -150,7 +194,7 @@ static void ns87415_selectproc (ide_drive_t *drive)
ns87415_prepare_drive (drive, drive->using_dma);
}
-static int ns87415_ide_dma_end (ide_drive_t *drive)
+static int ns87415_dma_end(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
u8 dma_stat = 0, dma_cmd = 0;
@@ -170,7 +214,7 @@ static int ns87415_ide_dma_end (ide_drive_t *drive)
return (dma_stat & 7) != 4;
}
-static int ns87415_ide_dma_setup(ide_drive_t *drive)
+static int ns87415_dma_setup(ide_drive_t *drive)
{
/* select DMA xfer */
ns87415_prepare_drive(drive, 1);
@@ -181,6 +225,10 @@ static int ns87415_ide_dma_setup(ide_drive_t *drive)
return 1;
}
+#ifndef ide_default_irq
+#define ide_default_irq(irq) 0
+#endif
+
static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
{
struct pci_dev *dev = to_pci_dev(hwif->dev);
@@ -191,8 +239,6 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
u8 stat;
#endif
- hwif->selectproc = &ns87415_selectproc;
-
/*
* We cannot probe for IRQ: both ports share common IRQ on INTA.
* Also, leave IRQ masked during drive probing, to prevent infinite
@@ -229,12 +275,12 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
* SELECT_DRIVE() properly during first ide_probe_port().
*/
timeout = 10000;
- outb(12, hwif->io_ports[IDE_CONTROL_OFFSET]);
+ outb(12, hwif->io_ports.ctl_addr);
udelay(10);
- outb(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
+ outb(8, hwif->io_ports.ctl_addr);
do {
udelay(50);
- stat = hwif->INB(hwif->io_ports[IDE_STATUS_OFFSET]);
+ stat = hwif->INB(hwif->io_ports.status_addr);
if (stat == 0xff)
break;
} while ((stat & BUSY_STAT) && --timeout);
@@ -242,7 +288,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
}
if (!using_inta)
- hwif->irq = ide_default_irq(hwif->io_ports[IDE_DATA_OFFSET]);
+ hwif->irq = ide_default_irq(hwif->io_ports.data_addr);
else if (!hwif->irq && hwif->mate && hwif->mate->irq)
hwif->irq = hwif->mate->irq; /* share IRQ with mate */
@@ -250,19 +296,33 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
return;
outb(0x60, hwif->dma_status);
- hwif->dma_setup = &ns87415_ide_dma_setup;
- hwif->ide_dma_end = &ns87415_ide_dma_end;
}
+static const struct ide_port_ops ns87415_port_ops = {
+ .selectproc = ns87415_selectproc,
+};
+
+static const struct ide_dma_ops ns87415_dma_ops = {
+ .dma_host_set = ide_dma_host_set,
+ .dma_setup = ns87415_dma_setup,
+ .dma_exec_cmd = ide_dma_exec_cmd,
+ .dma_start = ide_dma_start,
+ .dma_end = ns87415_dma_end,
+ .dma_test_irq = ide_dma_test_irq,
+ .dma_lost_irq = ide_dma_lost_irq,
+ .dma_timeout = ide_dma_timeout,
+};
+
static const struct ide_port_info ns87415_chipset __devinitdata = {
.name = "NS87415",
#ifdef CONFIG_SUPERIO
.init_iops = init_iops_ns87415,
#endif
.init_hwif = init_hwif_ns87415,
+ .port_ops = &ns87415_port_ops,
+ .dma_ops = &ns87415_dma_ops,
.host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
- IDE_HFLAG_NO_ATAPI_DMA |
- IDE_HFLAG_BOOTABLE,
+ IDE_HFLAG_NO_ATAPI_DMA,
};
static int __devinit ns87415_init_one(struct pci_dev *dev, const struct pci_device_id *id)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 09:42:49 +0100