diff options
Diffstat (limited to 'drivers/ide/pci/siimage.c')
-rw-r--r-- | drivers/ide/pci/siimage.c | 171 |
1 files changed, 99 insertions, 72 deletions
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 6e9d7655d89..db2b88a369a 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -44,6 +44,8 @@ #include <linux/init.h> #include <linux/io.h> +#define DRV_NAME "siimage" + /** * pdev_is_sata - check if device is SATA * @pdev: PCI device to check @@ -127,9 +129,10 @@ static inline unsigned long siimage_seldev(ide_drive_t *drive, int r) static u8 sil_ioread8(struct pci_dev *dev, unsigned long addr) { + struct ide_host *host = pci_get_drvdata(dev); u8 tmp = 0; - if (pci_get_drvdata(dev)) + if (host->host_priv) tmp = readb((void __iomem *)addr); else pci_read_config_byte(dev, addr, &tmp); @@ -139,9 +142,10 @@ static u8 sil_ioread8(struct pci_dev *dev, unsigned long addr) static u16 sil_ioread16(struct pci_dev *dev, unsigned long addr) { + struct ide_host *host = pci_get_drvdata(dev); u16 tmp = 0; - if (pci_get_drvdata(dev)) + if (host->host_priv) tmp = readw((void __iomem *)addr); else pci_read_config_word(dev, addr, &tmp); @@ -151,7 +155,9 @@ static u16 sil_ioread16(struct pci_dev *dev, unsigned long addr) static void sil_iowrite8(struct pci_dev *dev, u8 val, unsigned long addr) { - if (pci_get_drvdata(dev)) + struct ide_host *host = pci_get_drvdata(dev); + + if (host->host_priv) writeb(val, (void __iomem *)addr); else pci_write_config_byte(dev, addr, val); @@ -159,7 +165,9 @@ static void sil_iowrite8(struct pci_dev *dev, u8 val, unsigned long addr) static void sil_iowrite16(struct pci_dev *dev, u16 val, unsigned long addr) { - if (pci_get_drvdata(dev)) + struct ide_host *host = pci_get_drvdata(dev); + + if (host->host_priv) writew(val, (void __iomem *)addr); else pci_write_config_word(dev, addr, val); @@ -167,7 +175,9 @@ static void sil_iowrite16(struct pci_dev *dev, u16 val, unsigned long addr) static void sil_iowrite32(struct pci_dev *dev, u32 val, unsigned long addr) { - if (pci_get_drvdata(dev)) + struct ide_host *host = pci_get_drvdata(dev); + + if (host->host_priv) writel(val, (void __iomem *)addr); else pci_write_config_dword(dev, addr, val); @@ -334,7 +344,7 @@ static int siimage_io_dma_test_irq(ide_drive_t *drive) unsigned long addr = siimage_selreg(hwif, 1); /* return 1 if INTR asserted */ - if (hwif->INB(hwif->dma_status) & 4) + if (inb(hwif->dma_base + ATA_DMA_STATUS) & 4) return 1; /* return 1 if Device INTR asserted */ @@ -382,7 +392,7 @@ static int siimage_mmio_dma_test_irq(ide_drive_t *drive) } /* return 1 if INTR asserted */ - if (readb((void __iomem *)hwif->dma_status) & 0x04) + if (readb((void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)) & 4) return 1; /* return 1 if Device INTR asserted */ @@ -445,66 +455,24 @@ static void sil_sata_pre_reset(ide_drive_t *drive) } /** - * setup_mmio_siimage - switch controller into MMIO mode - * @dev: PCI device we are configuring - * @name: device name - * - * Attempt to put the device into MMIO mode. There are some slight - * complications here with certain systems where the MMIO BAR isn't - * mapped, so we have to be sure that we can fall back to I/O. - */ - -static unsigned int setup_mmio_siimage(struct pci_dev *dev, const char *name) -{ - resource_size_t bar5 = pci_resource_start(dev, 5); - unsigned long barsize = pci_resource_len(dev, 5); - void __iomem *ioaddr; - - /* - * Drop back to PIO if we can't map the MMIO. Some systems - * seem to get terminally confused in the PCI spaces. - */ - if (!request_mem_region(bar5, barsize, name)) { - printk(KERN_WARNING "siimage: IDE controller MMIO ports not " - "available.\n"); - return 0; - } - - ioaddr = ioremap(bar5, barsize); - if (ioaddr == NULL) { - release_mem_region(bar5, barsize); - return 0; - } - - pci_set_master(dev); - pci_set_drvdata(dev, (void *) ioaddr); - - return 1; -} - -/** * init_chipset_siimage - set up an SI device * @dev: PCI device - * @name: device name * * Perform the initial PCI set up for this device. Attempt to switch * to 133 MHz clocking if the system isn't already set up to do it. */ -static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, - const char *name) +static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev) { + struct ide_host *host = pci_get_drvdata(dev); + void __iomem *ioaddr = host->host_priv; unsigned long base, scsc_addr; - void __iomem *ioaddr = NULL; - u8 rev = dev->revision, tmp, BA5_EN; + u8 rev = dev->revision, tmp; pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, rev ? 1 : 255); - pci_read_config_byte(dev, 0x8A, &BA5_EN); - - if ((BA5_EN & 0x01) || pci_resource_start(dev, 5)) - if (setup_mmio_siimage(dev, name)) - ioaddr = pci_get_drvdata(dev); + if (ioaddr) + pci_set_master(dev); base = (unsigned long)ioaddr; @@ -571,7 +539,8 @@ static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, { "== 100", "== 133", "== 2X PCI", "DISABLED!" }; tmp >>= 4; - printk(KERN_INFO "%s: BASE CLOCK %s\n", name, clk_str[tmp & 3]); + printk(KERN_INFO DRV_NAME " %s: BASE CLOCK %s\n", + pci_name(dev), clk_str[tmp & 3]); } return 0; @@ -592,7 +561,8 @@ static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); - void *addr = pci_get_drvdata(dev); + struct ide_host *host = pci_get_drvdata(dev); + void *addr = host->host_priv; u8 ch = hwif->channel; struct ide_io_ports *io_ports = &hwif->io_ports; unsigned long base; @@ -601,7 +571,7 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) * Fill in the basic hwif bits */ hwif->host_flags |= IDE_HFLAG_MMIO; - default_hwif_mmiops(hwif); + hwif->hwif_data = addr; /* @@ -669,7 +639,7 @@ static int is_dev_seagate_sata(ide_drive_t *drive) * that can occur before we know what drives are present. */ -static void __devinit sil_quirkproc(ide_drive_t *drive) +static void sil_quirkproc(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; @@ -691,16 +661,15 @@ static void __devinit sil_quirkproc(ide_drive_t *drive) static void __devinit init_iops_siimage(ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); + struct ide_host *host = pci_get_drvdata(dev); hwif->hwif_data = NULL; /* Pessimal until we finish probing */ hwif->rqsize = 15; - if (pci_get_drvdata(dev) == NULL) - return; - - init_mmio_iops_siimage(hwif); + if (host->host_priv) + init_mmio_iops_siimage(hwif); } /** @@ -710,7 +679,7 @@ static void __devinit init_iops_siimage(ide_hwif_t *hwif) * Check for the presence of an ATA66 capable cable on the interface. */ -static u8 __devinit sil_cable_detect(ide_hwif_t *hwif) +static u8 sil_cable_detect(ide_hwif_t *hwif) { struct pci_dev *dev = to_pci_dev(hwif->dev); unsigned long addr = siimage_selreg(hwif, 0); @@ -748,9 +717,9 @@ static const struct ide_dma_ops sil_dma_ops = { .dma_lost_irq = ide_dma_lost_irq, }; -#define DECLARE_SII_DEV(name_str, p_ops) \ +#define DECLARE_SII_DEV(p_ops) \ { \ - .name = name_str, \ + .name = DRV_NAME, \ .init_chipset = init_chipset_siimage, \ .init_iops = init_iops_siimage, \ .port_ops = p_ops, \ @@ -761,9 +730,8 @@ static const struct ide_dma_ops sil_dma_ops = { } static const struct ide_port_info siimage_chipsets[] __devinitdata = { - /* 0 */ DECLARE_SII_DEV("SiI680", &sil_pata_port_ops), - /* 1 */ DECLARE_SII_DEV("SiI3112 Serial ATA", &sil_sata_port_ops), - /* 2 */ DECLARE_SII_DEV("Adaptec AAR-1210SA", &sil_sata_port_ops) + /* 0: SiI680 */ DECLARE_SII_DEV(&sil_pata_port_ops), + /* 1: SiI3112 */ DECLARE_SII_DEV(&sil_sata_port_ops) }; /** @@ -778,8 +746,13 @@ static const struct ide_port_info siimage_chipsets[] __devinitdata = { static int __devinit siimage_init_one(struct pci_dev *dev, const struct pci_device_id *id) { + void __iomem *ioaddr = NULL; + resource_size_t bar5 = pci_resource_start(dev, 5); + unsigned long barsize = pci_resource_len(dev, 5); + int rc; struct ide_port_info d; u8 idx = id->driver_data; + u8 BA5_EN; d = siimage_chipsets[idx]; @@ -787,7 +760,7 @@ static int __devinit siimage_init_one(struct pci_dev *dev, static int first = 1; if (first) { - printk(KERN_INFO "siimage: For full SATA support you " + printk(KERN_INFO DRV_NAME ": For full SATA support you " "should use the libata sata_sil module.\n"); first = 0; } @@ -795,14 +768,61 @@ static int __devinit siimage_init_one(struct pci_dev *dev, d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA; } - return ide_setup_pci_device(dev, &d); + rc = pci_enable_device(dev); + if (rc) + return rc; + + pci_read_config_byte(dev, 0x8A, &BA5_EN); + if ((BA5_EN & 0x01) || bar5) { + /* + * Drop back to PIO if we can't map the MMIO. Some systems + * seem to get terminally confused in the PCI spaces. + */ + if (!request_mem_region(bar5, barsize, d.name)) { + printk(KERN_WARNING DRV_NAME " %s: MMIO ports not " + "available\n", pci_name(dev)); + } else { + ioaddr = ioremap(bar5, barsize); + if (ioaddr == NULL) + release_mem_region(bar5, barsize); + } + } + + rc = ide_pci_init_one(dev, &d, ioaddr); + if (rc) { + if (ioaddr) { + iounmap(ioaddr); + release_mem_region(bar5, barsize); + } + pci_disable_device(dev); + } + + return rc; +} + +static void __devexit siimage_remove(struct pci_dev *dev) +{ + struct ide_host *host = pci_get_drvdata(dev); + void __iomem *ioaddr = host->host_priv; + + ide_pci_remove(dev); + + if (ioaddr) { + resource_size_t bar5 = pci_resource_start(dev, 5); + unsigned long barsize = pci_resource_len(dev, 5); + + iounmap(ioaddr); + release_mem_region(bar5, barsize); + } + + pci_disable_device(dev); } static const struct pci_device_id siimage_pci_tbl[] = { { PCI_VDEVICE(CMD, PCI_DEVICE_ID_SII_680), 0 }, #ifdef CONFIG_BLK_DEV_IDE_SATA { PCI_VDEVICE(CMD, PCI_DEVICE_ID_SII_3112), 1 }, - { PCI_VDEVICE(CMD, PCI_DEVICE_ID_SII_1210SA), 2 }, + { PCI_VDEVICE(CMD, PCI_DEVICE_ID_SII_1210SA), 1 }, #endif { 0, }, }; @@ -812,6 +832,7 @@ static struct pci_driver driver = { .name = "SiI_IDE", .id_table = siimage_pci_tbl, .probe = siimage_init_one, + .remove = __devexit_p(siimage_remove), }; static int __init siimage_ide_init(void) @@ -819,7 +840,13 @@ static int __init siimage_ide_init(void) return ide_pci_register_driver(&driver); } +static void __exit siimage_ide_exit(void) +{ + pci_unregister_driver(&driver); +} + module_init(siimage_ide_init); +module_exit(siimage_ide_exit); MODULE_AUTHOR("Andre Hedrick, Alan Cox"); MODULE_DESCRIPTION("PCI driver module for SiI IDE"); |