#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <linux/ata.h>
+#include "sis.h"
#define DRV_NAME "pata_sis"
-#define DRV_VERSION "0.4.5"
+#define DRV_VERSION "0.5.1"
struct sis_chipset {
u16 device; /* PCI host ID */
up code later */
};
+struct sis_laptop {
+ u16 device;
+ u16 subvendor;
+ u16 subdevice;
+};
+
+static const struct sis_laptop sis_laptop[] = {
+ /* devid, subvendor, subdev */
+ { 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */
+ /* end marker */
+ { 0, }
+};
+
+static int sis_short_ata40(struct pci_dev *dev)
+{
+ const struct sis_laptop *lap = &sis_laptop[0];
+
+ while (lap->device) {
+ if (lap->device == dev->device &&
+ lap->subvendor == dev->subsystem_vendor &&
+ lap->subdevice == dev->subsystem_device)
+ return 1;
+ lap++;
+ }
+
+ return 0;
+}
+
/**
* sis_port_base - return PCI configuration base for dev
* @adev: device
}
/**
- * sis_133_pre_reset - check for 40/80 pin
+ * sis_133_cable_detect - check for 40/80 pin
* @ap: Port
+ * @deadline: deadline jiffies for the operation
*
* 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)
- ap->cbl = ATA_CBL_PATA40;
- else
- ap->cbl = ATA_CBL_PATA80;
-
- return ata_std_prereset(ap);
-}
-
-/**
- * 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);
+ if ((tmp & 0x8000) && !sis_short_ata40(pdev))
+ return ATA_CBL_PATA40;
+ return ATA_CBL_PATA80;
}
-
/**
- * sis_66_pre_reset - check for 40/80 pin
+ * sis_66_cable_detect - check for 40/80 pin
* @ap: Port
+ * @deadline: deadline jiffies for the operation
*
* 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);
- printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id);
- 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)
- ap->cbl = ATA_CBL_PATA40;
- else
- ap->cbl = ATA_CBL_PATA80;
-
- return ata_std_prereset(ap);
+ if ((tmp & 0x10) && !sis_short_ata40(pdev))
+ 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
+ * @deadline: deadline jiffies for the operation
*
* 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, unsigned long deadline)
{
static const struct pci_bits sis_enable_bits[] = {
{ 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */
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);
- printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id);
- return 0;
- }
- ap->cbl = ATA_CBL_PATA40;
- return ata_std_prereset(ap);
+ if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
+ return -ENOENT;
+
+ return ata_std_prereset(ap, deadline);
}
/**
- * 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);
}
/**
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);
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, ®54);
.slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
+#ifdef CONFIG_PM
.resume = ata_scsi_device_resume,
.suspend = ata_scsi_device_suspend,
+#endif
};
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,
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop,
};
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,
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop,
};
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,
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop,
};
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,
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop,
};
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,
.bmdma_status = ata_bmdma_status,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
- .data_xfer = ata_pio_data_xfer,
+ .data_xfer = ata_data_xfer,
.irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
.port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop,
};
static struct ata_port_info sis_info = {
.pio_mask = 0x1f, /* pio0-4 */
.port_ops = &sis_66_ops,
};
-static struct ata_port_info sis_info133 = {
+struct ata_port_info sis_info133 = {
.sht = &sis_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
.pio_mask = 0x1f, /* pio0-4 */
.port_ops = &sis_133_early_ops,
};
+/* Privately shared with the SiS180 SATA driver, not for use elsewhere */
+EXPORT_SYMBOL_GPL(sis_info133);
static void sis_fixup(struct pci_dev *pdev, struct sis_chipset *sis)
{
struct ata_port_info *port;
struct pci_dev *host = NULL;
struct sis_chipset *chipset = NULL;
+ struct sis_chipset *sets;
static struct sis_chipset sis_chipsets[] = {
-
+
{ 0x0968, &sis_info133 },
{ 0x0966, &sis_info133 },
{ 0x0965, &sis_info133 },
/* We have to find the bridge first */
- for (chipset = &sis_chipsets[0]; chipset->device; chipset++) {
- host = pci_get_device(PCI_VENDOR_ID_SI, chipset->device, NULL);
+ for (sets = &sis_chipsets[0]; sets->device; sets++) {
+ host = pci_get_device(PCI_VENDOR_ID_SI, sets->device, NULL);
if (host != NULL) {
- if (chipset->device == 0x630) { /* SIS630 */
+ chipset = sets; /* Match found */
+ if (sets->device == 0x630) { /* SIS630 */
u8 host_rev;
pci_read_config_byte(host, PCI_REVISION_ID, &host_rev);
if (host_rev >= 0x30) /* 630 ET */
}
/* Look for concealed bridges */
- if (host == NULL) {
+ if (chipset == NULL) {
/* Second check */
u32 idemisc;
u16 trueid;
.id_table = sis_pci_tbl,
.probe = sis_init_one,
.remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
.suspend = ata_pci_device_suspend,
.resume = ata_pci_device_resume,
+#endif
};
static int __init sis_init(void)