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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2007-03-08 14:27:31 -0500
committerJeff Garzik <jeff@garzik.org>2007-04-28 14:15:57 -0400
commit847086069cdb5eac14f70cd0aea8545d499c80b4 (patch)
tree2da939848e4ae88f0fc2f4a800f3b8aff5e7c4f5 /drivers/ata/pata_atiixp.c
parentd36a76482c19c186aa638446def39ec643993955 (diff)
pata_atiixp: support ->cable_detect
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/pata_atiixp.c')
-rw-r--r--drivers/ata/pata_atiixp.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index 51d9923be02e..39c871a3ddac 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -22,7 +22,7 @@
22#include <linux/libata.h> 22#include <linux/libata.h>
23 23
24#define DRV_NAME "pata_atiixp" 24#define DRV_NAME "pata_atiixp"
25#define DRV_VERSION "0.4.4" 25#define DRV_VERSION "0.4.5"
26 26
27enum { 27enum {
28 ATIIXP_IDE_PIO_TIMING = 0x40, 28 ATIIXP_IDE_PIO_TIMING = 0x40,
@@ -35,23 +35,15 @@ enum {
35 35
36static int atiixp_pre_reset(struct ata_port *ap) 36static int atiixp_pre_reset(struct ata_port *ap)
37{ 37{
38 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
39 static const struct pci_bits atiixp_enable_bits[] = { 38 static const struct pci_bits atiixp_enable_bits[] = {
40 { 0x48, 1, 0x01, 0x00 }, 39 { 0x48, 1, 0x01, 0x00 },
41 { 0x48, 1, 0x08, 0x00 } 40 { 0x48, 1, 0x08, 0x00 }
42 }; 41 };
43 u8 udma; 42 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
44 43
45 if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no])) 44 if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no]))
46 return -ENOENT; 45 return -ENOENT;
47 46
48 /* Hack from drivers/ide/pci. Really we want to know how to do the
49 raw detection not play follow the bios mode guess */
50 pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ap->port_no, &udma);
51 if ((udma & 0x07) >= 0x04 || (udma & 0x70) >= 0x40)
52 ap->cbl = ATA_CBL_PATA80;
53 else
54 ap->cbl = ATA_CBL_PATA40;
55 return ata_std_prereset(ap); 47 return ata_std_prereset(ap);
56} 48}
57 49
@@ -60,6 +52,19 @@ static void atiixp_error_handler(struct ata_port *ap)
60 ata_bmdma_drive_eh(ap, atiixp_pre_reset, ata_std_softreset, NULL, ata_std_postreset); 52 ata_bmdma_drive_eh(ap, atiixp_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
61} 53}
62 54
55static int atiixp_cable_detect(struct ata_port *ap)
56{
57 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
58 u8 udma;
59
60 /* Hack from drivers/ide/pci. Really we want to know how to do the
61 raw detection not play follow the bios mode guess */
62 pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ap->port_no, &udma);
63 if ((udma & 0x07) >= 0x04 || (udma & 0x70) >= 0x40)
64 return ATA_CBL_PATA80;
65 return ATA_CBL_PATA40;
66}
67
63/** 68/**
64 * atiixp_set_pio_timing - set initial PIO mode data 69 * atiixp_set_pio_timing - set initial PIO mode data
65 * @ap: ATA interface 70 * @ap: ATA interface
@@ -245,6 +250,7 @@ static struct ata_port_operations atiixp_port_ops = {
245 .thaw = ata_bmdma_thaw, 250 .thaw = ata_bmdma_thaw,
246 .error_handler = atiixp_error_handler, 251 .error_handler = atiixp_error_handler,
247 .post_internal_cmd = ata_bmdma_post_internal_cmd, 252 .post_internal_cmd = ata_bmdma_post_internal_cmd,
253 .cable_detect = atiixp_cable_detect,
248 254
249 .bmdma_setup = ata_bmdma_setup, 255 .bmdma_setup = ata_bmdma_setup,
250 .bmdma_start = atiixp_bmdma_start, 256 .bmdma_start = atiixp_bmdma_start,