diff options
Diffstat (limited to 'drivers/ata/sata_sis.c')
| -rw-r--r-- | drivers/ata/sata_sis.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index c90fb1319dfe..a915822ae63c 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -138,22 +138,25 @@ static struct ata_port_info sis_port_info = { .port_ops = &sis_ops, }; - MODULE_AUTHOR("Uwe Koziolek"); MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller"); MODULE_LICENSE("GPL"); MODULE_DEVICE_TABLE(pci, sis_pci_tbl); MODULE_VERSION(DRV_VERSION); -static unsigned int get_scr_cfg_addr(unsigned int port_no, unsigned int sc_reg, struct pci_dev *pdev) +static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg) { + struct pci_dev *pdev = to_pci_dev(ap->host->dev); unsigned int addr = SIS_SCR_BASE + (4 * sc_reg); + u8 pmr; - if (port_no) { + if (ap->port_no) { switch (pdev->device) { case 0x0180: case 0x0181: - addr += SIS180_SATA1_OFS; + pci_read_config_byte(pdev, SIS_PMR, &pmr); + if ((pmr & SIS_PMR_COMBINED) == 0) + addr += SIS180_SATA1_OFS; break; case 0x0182: @@ -170,7 +173,7 @@ static unsigned int get_scr_cfg_addr(unsigned int port_no, unsigned int sc_reg, static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - unsigned int cfg_addr = get_scr_cfg_addr(ap->port_no, sc_reg, pdev); + unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg); u32 val, val2 = 0; u8 pmr; @@ -188,13 +191,13 @@ static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) return (val|val2) & 0xfffffffb; /* avoid problems with powerdowned ports */ } -static void sis_scr_cfg_write (struct ata_port *ap, unsigned int scr, u32 val) +static void sis_scr_cfg_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - unsigned int cfg_addr = get_scr_cfg_addr(ap->port_no, scr, pdev); + unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg); u8 pmr; - if (scr == SCR_ERROR) /* doesn't exist in PCI cfg space */ + if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */ return; pci_read_config_byte(pdev, SIS_PMR, &pmr); @@ -251,6 +254,9 @@ static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { + /* Provided by the PATA driver */ + extern struct ata_port_info sis_info133; + static int printed_version; struct ata_probe_ent *probe_ent = NULL; int rc; @@ -300,6 +306,17 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) switch (ent->device) { case 0x0180: case 0x0181: + + /* The PATA-handling is provided by pata_sis */ + switch (pmr & 0x30) { + case 0x10: + ppi[1] = &sis_info133; + break; + + case 0x30: + ppi[0] = &sis_info133; + break; + } if ((pmr & SIS_PMR_COMBINED) == 0) { dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 180/181/964 chipset in SATA mode\n"); @@ -379,4 +396,3 @@ static void __exit sis_exit(void) module_init(sis_init); module_exit(sis_exit); - |