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path: root/drivers/ata/pata_sis.c
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Diffstat (limited to 'drivers/ata/pata_sis.c')
-rw-r--r--drivers/ata/pata_sis.c109
1 files changed, 29 insertions, 80 deletions
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 8dc3bc4f586..a3fbcee6fb3 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -35,7 +35,7 @@
#include "sis.h"
#define DRV_NAME "pata_sis"
-#define DRV_VERSION "0.5.0"
+#define DRV_VERSION "0.5.1"
struct sis_chipset {
u16 device; /* PCI host ID */
@@ -86,106 +86,55 @@ static int sis_port_base(struct ata_device *adev)
}
/**
- * sis_133_pre_reset - check for 40/80 pin
+ * sis_133_cable_detect - check for 40/80 pin
* @ap: Port
*
* Perform cable detection for the later UDMA133 capable
* SiS chipset.
*/
-static int sis_133_pre_reset(struct ata_port *ap)
+static int sis_133_cable_detect(struct ata_port *ap)
{
- static const struct pci_bits sis_enable_bits[] = {
- { 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */
- { 0x4aU, 1U, 0x04UL, 0x04UL }, /* port 1 */
- };
-
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u16 tmp;
- if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
- return -ENOENT;
-
/* The top bit of this register is the cable detect bit */
pci_read_config_word(pdev, 0x50 + 2 * ap->port_no, &tmp);
if ((tmp & 0x8000) && !sis_short_ata40(pdev))
- ap->cbl = ATA_CBL_PATA40;
- else
- ap->cbl = ATA_CBL_PATA80;
-
- return ata_std_prereset(ap);
+ return ATA_CBL_PATA40;
+ return ATA_CBL_PATA80;
}
/**
- * sis_error_handler - Probe specified port on PATA host controller
- * @ap: Port to probe
- *
- * LOCKING:
- * None (inherited from caller).
- */
-
-static void sis_133_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, sis_133_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-
-/**
- * sis_66_pre_reset - check for 40/80 pin
+ * sis_66_cable_detect - check for 40/80 pin
* @ap: Port
*
* Perform cable detection on the UDMA66, UDMA100 and early UDMA133
* SiS IDE controllers.
*/
-static int sis_66_pre_reset(struct ata_port *ap)
+static int sis_66_cable_detect(struct ata_port *ap)
{
- static const struct pci_bits sis_enable_bits[] = {
- { 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */
- { 0x4aU, 1U, 0x04UL, 0x04UL }, /* port 1 */
- };
-
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u8 tmp;
- if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no])) {
- ata_port_disable(ap);
- ata_port_printk(ap, KERN_INFO, "port disabled. ignoring.\n");
- return 0;
- }
/* Older chips keep cable detect in bits 4/5 of reg 0x48 */
pci_read_config_byte(pdev, 0x48, &tmp);
tmp >>= ap->port_no;
if ((tmp & 0x10) && !sis_short_ata40(pdev))
- ap->cbl = ATA_CBL_PATA40;
- else
- ap->cbl = ATA_CBL_PATA80;
-
- return ata_std_prereset(ap);
+ return ATA_CBL_PATA40;
+ return ATA_CBL_PATA80;
}
-/**
- * sis_66_error_handler - Probe specified port on PATA host controller
- * @ap: Port to probe
- * @classes:
- *
- * LOCKING:
- * None (inherited from caller).
- */
-
-static void sis_66_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, sis_66_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
/**
- * sis_old_pre_reset - probe begin
+ * sis_pre_reset - probe begin
* @ap: ATA port
*
* Set up cable type and use generic probe init
*/
-static int sis_old_pre_reset(struct ata_port *ap)
+static int sis_pre_reset(struct ata_port *ap)
{
static const struct pci_bits sis_enable_bits[] = {
{ 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */
@@ -194,27 +143,23 @@ static int sis_old_pre_reset(struct ata_port *ap)
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no])) {
- ata_port_disable(ap);
- ata_port_printk(ap, KERN_INFO, "port disabled. ignoring.\n");
- return 0;
- }
- ap->cbl = ATA_CBL_PATA40;
+ if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
+ return -ENOENT;
return ata_std_prereset(ap);
}
/**
- * sis_old_error_handler - Probe specified port on PATA host controller
+ * sis_error_handler - Probe specified port on PATA host controller
* @ap: Port to probe
*
* LOCKING:
* None (inherited from caller).
*/
-static void sis_old_error_handler(struct ata_port *ap)
+static void sis_error_handler(struct ata_port *ap)
{
- ata_bmdma_drive_eh(ap, sis_old_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+ ata_bmdma_drive_eh(ap, sis_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
}
/**
@@ -494,7 +439,7 @@ static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *a
int drive_pci = sis_port_base(adev);
u16 timing;
- const u16 udma_bits[] = { 0x8F00, 0x8A00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100};
+ static const u16 udma_bits[] = { 0x8F00, 0x8A00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100};
pci_read_config_word(pdev, drive_pci, &timing);
@@ -531,8 +476,8 @@ static void sis_133_set_dmamode (struct ata_port *ap, struct ata_device *adev)
u32 reg54;
/* bits 4- cycle time 8 - cvs time */
- const u32 timing_u100[] = { 0x6B0, 0x470, 0x350, 0x140, 0x120, 0x110, 0x000 };
- const u32 timing_u133[] = { 0x9F0, 0x6A0, 0x470, 0x250, 0x230, 0x220, 0x210 };
+ static const u32 timing_u100[] = { 0x6B0, 0x470, 0x350, 0x140, 0x120, 0x110, 0x000 };
+ static const u32 timing_u133[] = { 0x9F0, 0x6A0, 0x470, 0x250, 0x230, 0x220, 0x210 };
/* If bit 14 is set then the registers are mapped at 0x70 not 0x40 */
pci_read_config_dword(pdev, 0x54, &reg54);
@@ -595,8 +540,9 @@ static const struct ata_port_operations sis_133_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = sis_133_error_handler,
+ .error_handler = sis_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = sis_133_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -628,8 +574,9 @@ static const struct ata_port_operations sis_133_early_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = sis_66_error_handler,
+ .error_handler = sis_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = sis_66_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -661,9 +608,9 @@ static const struct ata_port_operations sis_100_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = sis_66_error_handler,
+ .error_handler = sis_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
-
+ .cable_detect = sis_66_cable_detect,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
@@ -692,10 +639,11 @@ static const struct ata_port_operations sis_66_ops = {
.check_status = ata_check_status,
.exec_command = ata_exec_command,
.dev_select = ata_std_dev_select,
+ .cable_detect = sis_66_cable_detect,
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = sis_66_error_handler,
+ .error_handler = sis_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.bmdma_setup = ata_bmdma_setup,
@@ -728,8 +676,9 @@ static const struct ata_port_operations sis_old_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = sis_old_error_handler,
+ .error_handler = sis_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
.bmdma_setup = ata_bmdma_setup,
.bmdma_start = ata_bmdma_start,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-30 15:41:26 +0000