aboutsummaryrefslogtreecommitdiff
path: root/drivers/ata/sata_sis.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/sata_sis.c')
-rw-r--r--drivers/ata/sata_sis.c65
1 files changed, 33 insertions, 32 deletions
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index 221099d1d08..31a2f55aae6 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -64,16 +64,16 @@ enum {
};
static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
-static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg);
-static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
+static int sis_scr_read (struct ata_port *ap, unsigned int sc_reg, u32 *val);
+static int sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
static const struct pci_device_id sis_pci_tbl[] = {
{ PCI_VDEVICE(SI, 0x0180), sis_180 }, /* SiS 964/180 */
{ PCI_VDEVICE(SI, 0x0181), sis_180 }, /* SiS 964/180 */
{ PCI_VDEVICE(SI, 0x0182), sis_180 }, /* SiS 965/965L */
{ PCI_VDEVICE(SI, 0x0183), sis_180 }, /* SiS 965/965L */
- { PCI_VDEVICE(SI, 0x1182), sis_180 }, /* SiS 966/966L */
- { PCI_VDEVICE(SI, 0x1183), sis_180 }, /* SiS 966/966L */
+ { PCI_VDEVICE(SI, 0x1182), sis_180 }, /* SiS 966/680 */
+ { PCI_VDEVICE(SI, 0x1183), sis_180 }, /* SiS 966/966L/968/680 */
{ } /* terminate list */
};
@@ -133,7 +133,7 @@ static const struct ata_port_info sis_port_info = {
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
.pio_mask = 0x1f,
.mwdma_mask = 0x7,
- .udma_mask = 0x7f,
+ .udma_mask = ATA_UDMA6,
.port_ops = &sis_ops,
};
@@ -161,7 +161,6 @@ static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg)
case 0x0182:
case 0x0183:
case 0x1182:
- case 0x1183:
addr += SIS182_SATA1_OFS;
break;
}
@@ -183,8 +182,8 @@ static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg)
pci_read_config_dword(pdev, cfg_addr, &val);
- if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) ||
- (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED))
+ if ((pdev->device == 0x0182) || (pdev->device == 0x0183) ||
+ (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED))
pci_read_config_dword(pdev, cfg_addr+0x10, &val2);
return (val|val2) & 0xfffffffb; /* avoid problems with powerdowned ports */
@@ -203,41 +202,42 @@ static void sis_scr_cfg_write (struct ata_port *ap, unsigned int sc_reg, u32 val
pci_write_config_dword(pdev, cfg_addr, val);
- if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) ||
- (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED))
+ if ((pdev->device == 0x0182) || (pdev->device == 0x0183) ||
+ (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED))
pci_write_config_dword(pdev, cfg_addr+0x10, val);
}
-static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg)
+static int sis_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- u32 val, val2 = 0;
u8 pmr;
if (sc_reg > SCR_CONTROL)
- return 0xffffffffU;
+ return -EINVAL;
if (ap->flags & SIS_FLAG_CFGSCR)
return sis_scr_cfg_read(ap, sc_reg);
pci_read_config_byte(pdev, SIS_PMR, &pmr);
- val = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4));
+ *val = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4));
+
+ if ((pdev->device == 0x0182) || (pdev->device == 0x0183) ||
+ (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED))
+ *val |= ioread32(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10);
- if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) ||
- (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED))
- val2 = ioread32(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10);
+ *val &= 0xfffffffb;
- return (val | val2) & 0xfffffffb;
+ return 0;
}
-static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
+static int sis_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u8 pmr;
if (sc_reg > SCR_CONTROL)
- return;
+ return -EINVAL;
pci_read_config_byte(pdev, SIS_PMR, &pmr);
@@ -245,10 +245,11 @@ static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
sis_scr_cfg_write(ap, sc_reg, val);
else {
iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4));
- if ((pdev->device == 0x0182) || (pdev->device == 0x0183) || (pdev->device == 0x1182) ||
- (pdev->device == 0x1183) || (pmr & SIS_PMR_COMBINED))
+ if ((pdev->device == 0x0182) || (pdev->device == 0x0183) ||
+ (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED))
iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4)+0x10);
}
+ return 0;
}
static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
@@ -293,11 +294,11 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
/* The PATA-handling is provided by pata_sis */
switch (pmr & 0x30) {
case 0x10:
- ppi[1] = &sis_info133;
+ ppi[1] = &sis_info133_for_sata;
break;
case 0x30:
- ppi[0] = &sis_info133;
+ ppi[0] = &sis_info133_for_sata;
break;
}
if ((pmr & SIS_PMR_COMBINED) == 0) {
@@ -324,18 +325,18 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
break;
case 0x1182:
+ dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1182/966/680 SATA controller\n");
+ pi.flags |= ATA_FLAG_SLAVE_POSS;
+ break;
+
case 0x1183:
- pci_read_config_dword(pdev, 0x64, &val);
- if (val & 0x10000000) {
- dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1182/1183/966L SATA controller\n");
- } else {
- dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1182/1183/966 SATA controller\n");
- pi.flags |= ATA_FLAG_SLAVE_POSS;
- }
+ dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 1183/966/966L/968/680 controller in PATA mode\n");
+ ppi[0] = &sis_info133_for_sata;
+ ppi[1] = &sis_info133_for_sata;
break;
}
- rc = ata_pci_prepare_native_host(pdev, ppi, &host);
+ rc = ata_pci_prepare_sff_host(pdev, ppi, &host);
if (rc)
return rc;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 12:00:39 +0000