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pata_hpt366: support ->cable_detect

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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Alan Cox 2007-03-08 19:34:28 +00:00 committed by Jeff Garzik
parent 6bfed3fb03
commit fecfda5d88
1 changed files with 13 additions and 8 deletions
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21
drivers/ata/pata_hpt366.c
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@ -27,7 +27,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt366"
#define DRV_VERSION "0.6.0"
#define DRV_VERSION "0.6.1"
struct hpt_clock {
u8 xfer_speed;
@ -210,24 +210,28 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed)
return 0xffffffffU; /* silence compiler warning */
}
static int hpt36x_cable_detect(struct ata_port *ap)
{
u8 ata66;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
pci_read_config_byte(pdev, 0x5A, &ata66);
if (ata66 & (1 << ap->port_no))
return ATA_CBL_PATA40;
return ATA_CBL_PATA80;
}
static int hpt36x_pre_reset(struct ata_port *ap)
{
static const struct pci_bits hpt36x_enable_bits[] = {
{ 0x50, 1, 0x04, 0x04 },
{ 0x54, 1, 0x04, 0x04 }
};
u8 ata66;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
if (!pci_test_config_bits(pdev, &hpt36x_enable_bits[ap->port_no]))
return -ENOENT;
pci_read_config_byte(pdev, 0x5A, &ata66);
if (ata66 & (1 << ap->port_no))
ap->cbl = ATA_CBL_PATA40;
else
ap->cbl = ATA_CBL_PATA80;
return ata_std_prereset(ap);
}
@ -354,6 +358,7 @@ static struct ata_port_operations hpt366_port_ops = {
.thaw = ata_bmdma_thaw,
.error_handler = hpt36x_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = hpt36x_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,