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path: root/drivers/ata/sata_sis.c
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Diffstat (limited to 'drivers/ata/sata_sis.c')
-rw-r--r--drivers/ata/sata_sis.c127
1 files changed, 45 insertions, 82 deletions
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index 8f983322861..d1637ac40a7 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -33,7 +33,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
-#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -83,6 +82,10 @@ static struct pci_driver sis_pci_driver = {
.id_table = sis_pci_tbl,
.probe = sis_init_one,
.remove = ata_pci_remove_one,
+#ifdef CONFIG_PM_SLEEP
+ .suspend = ata_pci_device_suspend,
+ .resume = ata_pci_device_resume,
+#endif
};
static struct scsi_host_template sis_sht = {
@@ -96,7 +99,7 @@ static struct ata_port_operations sis_ops = {
};
static const struct ata_port_info sis_port_info = {
- .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+ .flags = ATA_FLAG_SATA,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA6,
@@ -104,13 +107,14 @@ static const struct ata_port_info sis_port_info = {
};
MODULE_AUTHOR("Uwe Koziolek");
-MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller");
+MODULE_DESCRIPTION("low-level driver for Silicon Integrated Systems SATA controller");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, sis_pci_tbl);
MODULE_VERSION(DRV_VERSION);
-static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg)
+static unsigned int get_scr_cfg_addr(struct ata_link *link, unsigned int sc_reg)
{
+ struct ata_port *ap = link->ap;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
unsigned int addr = SIS_SCR_BASE + (4 * sc_reg);
u8 pmr;
@@ -131,6 +135,9 @@ static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg)
break;
}
}
+ if (link->pmp)
+ addr += 0x10;
+
return addr;
}
@@ -138,24 +145,12 @@ static u32 sis_scr_cfg_read(struct ata_link *link,
unsigned int sc_reg, u32 *val)
{
struct pci_dev *pdev = to_pci_dev(link->ap->host->dev);
- unsigned int cfg_addr = get_scr_cfg_addr(link->ap, sc_reg);
- u32 val2 = 0;
- u8 pmr;
+ unsigned int cfg_addr = get_scr_cfg_addr(link, sc_reg);
if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */
return -EINVAL;
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
-
pci_read_config_dword(pdev, cfg_addr, val);
-
- if ((pdev->device == 0x0182) || (pdev->device == 0x0183) ||
- (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED))
- pci_read_config_dword(pdev, cfg_addr+0x10, &val2);
-
- *val |= val2;
- *val &= 0xfffffffb; /* avoid problems with powerdowned ports */
-
return 0;
}
@@ -163,28 +158,16 @@ static int sis_scr_cfg_write(struct ata_link *link,
unsigned int sc_reg, u32 val)
{
struct pci_dev *pdev = to_pci_dev(link->ap->host->dev);
- unsigned int cfg_addr = get_scr_cfg_addr(link->ap, sc_reg);
- u8 pmr;
-
- if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */
- return -EINVAL;
-
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
+ unsigned int cfg_addr = get_scr_cfg_addr(link, sc_reg);
pci_write_config_dword(pdev, cfg_addr, val);
-
- if ((pdev->device == 0x0182) || (pdev->device == 0x0183) ||
- (pdev->device == 0x1182) || (pmr & SIS_PMR_COMBINED))
- pci_write_config_dword(pdev, cfg_addr+0x10, val);
-
return 0;
}
static int sis_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val)
{
struct ata_port *ap = link->ap;
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- u8 pmr;
+ void __iomem *base = ap->ioaddr.scr_addr + link->pmp * 0x10;
if (sc_reg > SCR_CONTROL)
return -EINVAL;
@@ -192,54 +175,36 @@ static int sis_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val)
if (ap->flags & SIS_FLAG_CFGSCR)
return sis_scr_cfg_read(link, sc_reg, val);
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
-
- *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);
-
- *val &= 0xfffffffb;
-
+ *val = ioread32(base + sc_reg * 4);
return 0;
}
static int sis_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val)
{
struct ata_port *ap = link->ap;
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- u8 pmr;
+ void __iomem *base = ap->ioaddr.scr_addr + link->pmp * 0x10;
if (sc_reg > SCR_CONTROL)
return -EINVAL;
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
-
if (ap->flags & SIS_FLAG_CFGSCR)
return sis_scr_cfg_write(link, sc_reg, val);
- else {
- iowrite32(val, ap->ioaddr.scr_addr + (sc_reg * 4));
- 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;
- }
+
+ iowrite32(val, base + (sc_reg * 4));
+ return 0;
}
static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- static int printed_version;
struct ata_port_info pi = sis_port_info;
const struct ata_port_info *ppi[] = { &pi, &pi };
struct ata_host *host;
u32 genctl, val;
u8 pmr;
u8 port2_start = 0x20;
- int rc;
+ int i, rc;
- if (!printed_version++)
- dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n");
+ ata_print_version_once(&pdev->dev, DRV_VERSION);
rc = pcim_enable_device(pdev);
if (rc)
@@ -277,12 +242,12 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
break;
}
if ((pmr & SIS_PMR_COMBINED) == 0) {
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 180/181/964 chipset in SATA mode\n");
+ dev_info(&pdev->dev,
+ "Detected SiS 180/181/964 chipset in SATA mode\n");
port2_start = 64;
} else {
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 180/181 chipset in combined mode\n");
+ dev_info(&pdev->dev,
+ "Detected SiS 180/181 chipset in combined mode\n");
port2_start = 0;
pi.flags |= ATA_FLAG_SLAVE_POSS;
}
@@ -292,33 +257,42 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
case 0x0183:
pci_read_config_dword(pdev, 0x6C, &val);
if (val & (1L << 31)) {
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 182/965 chipset\n");
+ dev_info(&pdev->dev, "Detected SiS 182/965 chipset\n");
pi.flags |= ATA_FLAG_SLAVE_POSS;
} else {
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 182/965L chipset\n");
+ dev_info(&pdev->dev, "Detected SiS 182/965L chipset\n");
}
break;
case 0x1182:
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 1182/966/680 SATA controller\n");
+ dev_info(&pdev->dev,
+ "Detected SiS 1182/966/680 SATA controller\n");
pi.flags |= ATA_FLAG_SLAVE_POSS;
break;
case 0x1183:
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 1183/966/966L/968/680 controller in PATA mode\n");
+ dev_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_sff_prepare_host(pdev, ppi, &host);
+ rc = ata_pci_bmdma_prepare_host(pdev, ppi, &host);
if (rc)
return rc;
+ for (i = 0; i < 2; i++) {
+ struct ata_port *ap = host->ports[i];
+
+ if (ap->flags & ATA_FLAG_SATA &&
+ ap->flags & ATA_FLAG_SLAVE_POSS) {
+ rc = ata_slave_link_init(ap);
+ if (rc)
+ return rc;
+ }
+ }
+
if (!(pi.flags & SIS_FLAG_CFGSCR)) {
void __iomem *mmio;
@@ -333,19 +307,8 @@ static int sis_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_master(pdev);
pci_intx(pdev, 1);
- return ata_host_activate(host, pdev->irq, ata_sff_interrupt,
+ return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
IRQF_SHARED, &sis_sht);
}
-static int __init sis_init(void)
-{
- return pci_register_driver(&sis_pci_driver);
-}
-
-static void __exit sis_exit(void)
-{
- pci_unregister_driver(&sis_pci_driver);
-}
-
-module_init(sis_init);
-module_exit(sis_exit);
+module_pci_driver(sis_pci_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 01:22:53 +0000