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path: root/drivers/ide/pci/siimage.c
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Diffstat (limited to 'drivers/ide/pci/siimage.c')
-rw-r--r--drivers/ide/pci/siimage.c857
1 files changed, 0 insertions, 857 deletions
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
deleted file mode 100644
index eb4faf92c57..00000000000
--- a/drivers/ide/pci/siimage.c
+++ /dev/null
@@ -1,857 +0,0 @@
-/*
- * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C) 2003 Red Hat <alan@redhat.com>
- * Copyright (C) 2007-2008 MontaVista Software, Inc.
- * Copyright (C) 2007-2008 Bartlomiej Zolnierkiewicz
- *
- * May be copied or modified under the terms of the GNU General Public License
- *
- * Documentation for CMD680:
- * http://gkernel.sourceforge.net/specs/sii/sii-0680a-v1.31.pdf.bz2
- *
- * Documentation for SiI 3112:
- * http://gkernel.sourceforge.net/specs/sii/3112A_SiI-DS-0095-B2.pdf.bz2
- *
- * Errata and other documentation only available under NDA.
- *
- *
- * FAQ Items:
- * If you are using Marvell SATA-IDE adapters with Maxtor drives
- * ensure the system is set up for ATA100/UDMA5, not UDMA6.
- *
- * If you are using WD drives with SATA bridges you must set the
- * drive to "Single". "Master" will hang.
- *
- * If you have strange problems with nVidia chipset systems please
- * see the SI support documentation and update your system BIOS
- * if necessary
- *
- * The Dell DRAC4 has some interesting features including effectively hot
- * unplugging/replugging the virtual CD interface when the DRAC is reset.
- * This often causes drivers/ide/siimage to panic but is ok with the rather
- * smarter code in libata.
- *
- * TODO:
- * - IORDY fixes
- * - VDMA support
- */
-
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/ide.h>
-#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
- *
- * Returns true if this is a SATA controller
- */
-
-static int pdev_is_sata(struct pci_dev *pdev)
-{
-#ifdef CONFIG_BLK_DEV_IDE_SATA
- switch (pdev->device) {
- case PCI_DEVICE_ID_SII_3112:
- case PCI_DEVICE_ID_SII_1210SA:
- return 1;
- case PCI_DEVICE_ID_SII_680:
- return 0;
- }
- BUG();
-#endif
- return 0;
-}
-
-/**
- * is_sata - check if hwif is SATA
- * @hwif: interface to check
- *
- * Returns true if this is a SATA controller
- */
-
-static inline int is_sata(ide_hwif_t *hwif)
-{
- return pdev_is_sata(to_pci_dev(hwif->dev));
-}
-
-/**
- * siimage_selreg - return register base
- * @hwif: interface
- * @r: config offset
- *
- * Turn a config register offset into the right address in either
- * PCI space or MMIO space to access the control register in question
- * Thankfully this is a configuration operation, so isn't performance
- * critical.
- */
-
-static unsigned long siimage_selreg(ide_hwif_t *hwif, int r)
-{
- unsigned long base = (unsigned long)hwif->hwif_data;
-
- base += 0xA0 + r;
- if (hwif->host_flags & IDE_HFLAG_MMIO)
- base += hwif->channel << 6;
- else
- base += hwif->channel << 4;
- return base;
-}
-
-/**
- * siimage_seldev - return register base
- * @hwif: interface
- * @r: config offset
- *
- * Turn a config register offset into the right address in either
- * PCI space or MMIO space to access the control register in question
- * including accounting for the unit shift.
- */
-
-static inline unsigned long siimage_seldev(ide_drive_t *drive, int r)
-{
- ide_hwif_t *hwif = HWIF(drive);
- unsigned long base = (unsigned long)hwif->hwif_data;
- u8 unit = drive->dn & 1;
-
- base += 0xA0 + r;
- if (hwif->host_flags & IDE_HFLAG_MMIO)
- base += hwif->channel << 6;
- else
- base += hwif->channel << 4;
- base |= unit << unit;
- return base;
-}
-
-static u8 sil_ioread8(struct pci_dev *dev, unsigned long addr)
-{
- struct ide_host *host = pci_get_drvdata(dev);
- u8 tmp = 0;
-
- if (host->host_priv)
- tmp = readb((void __iomem *)addr);
- else
- pci_read_config_byte(dev, addr, &tmp);
-
- return tmp;
-}
-
-static u16 sil_ioread16(struct pci_dev *dev, unsigned long addr)
-{
- struct ide_host *host = pci_get_drvdata(dev);
- u16 tmp = 0;
-
- if (host->host_priv)
- tmp = readw((void __iomem *)addr);
- else
- pci_read_config_word(dev, addr, &tmp);
-
- return tmp;
-}
-
-static void sil_iowrite8(struct pci_dev *dev, u8 val, unsigned long addr)
-{
- 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);
-}
-
-static void sil_iowrite16(struct pci_dev *dev, u16 val, unsigned long addr)
-{
- 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);
-}
-
-static void sil_iowrite32(struct pci_dev *dev, u32 val, unsigned long addr)
-{
- 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);
-}
-
-/**
- * sil_udma_filter - compute UDMA mask
- * @drive: IDE device
- *
- * Compute the available UDMA speeds for the device on the interface.
- *
- * For the CMD680 this depends on the clocking mode (scsc), for the
- * SI3112 SATA controller life is a bit simpler.
- */
-
-static u8 sil_pata_udma_filter(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- unsigned long base = (unsigned long)hwif->hwif_data;
- u8 scsc, mask = 0;
-
- base += (hwif->host_flags & IDE_HFLAG_MMIO) ? 0x4A : 0x8A;
-
- scsc = sil_ioread8(dev, base);
-
- switch (scsc & 0x30) {
- case 0x10: /* 133 */
- mask = ATA_UDMA6;
- break;
- case 0x20: /* 2xPCI */
- mask = ATA_UDMA6;
- break;
- case 0x00: /* 100 */
- mask = ATA_UDMA5;
- break;
- default: /* Disabled ? */
- BUG();
- }
-
- return mask;
-}
-
-static u8 sil_sata_udma_filter(ide_drive_t *drive)
-{
- char *m = (char *)&drive->id[ATA_ID_PROD];
-
- return strstr(m, "Maxtor") ? ATA_UDMA5 : ATA_UDMA6;
-}
-
-/**
- * sil_set_pio_mode - set host controller for PIO mode
- * @drive: drive
- * @pio: PIO mode number
- *
- * Load the timing settings for this device mode into the
- * controller. If we are in PIO mode 3 or 4 turn on IORDY
- * monitoring (bit 9). The TF timing is bits 31:16
- */
-
-static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
-{
- static const u16 tf_speed[] = { 0x328a, 0x2283, 0x1281, 0x10c3, 0x10c1 };
- static const u16 data_speed[] = { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 };
-
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- ide_drive_t *pair = ide_get_pair_dev(drive);
- u32 speedt = 0;
- u16 speedp = 0;
- unsigned long addr = siimage_seldev(drive, 0x04);
- unsigned long tfaddr = siimage_selreg(hwif, 0x02);
- unsigned long base = (unsigned long)hwif->hwif_data;
- u8 tf_pio = pio;
- u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
- u8 addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84)
- : (mmio ? 0xB4 : 0x80);
- u8 mode = 0;
- u8 unit = drive->dn & 1;
-
- /* trim *taskfile* PIO to the slowest of the master/slave */
- if (pair) {
- u8 pair_pio = ide_get_best_pio_mode(pair, 255, 4);
-
- if (pair_pio < tf_pio)
- tf_pio = pair_pio;
- }
-
- /* cheat for now and use the docs */
- speedp = data_speed[pio];
- speedt = tf_speed[tf_pio];
-
- sil_iowrite16(dev, speedp, addr);
- sil_iowrite16(dev, speedt, tfaddr);
-
- /* now set up IORDY */
- speedp = sil_ioread16(dev, tfaddr - 2);
- speedp &= ~0x200;
- if (pio > 2)
- speedp |= 0x200;
- sil_iowrite16(dev, speedp, tfaddr - 2);
-
- mode = sil_ioread8(dev, base + addr_mask);
- mode &= ~(unit ? 0x30 : 0x03);
- mode |= unit ? 0x10 : 0x01;
- sil_iowrite8(dev, mode, base + addr_mask);
-}
-
-/**
- * sil_set_dma_mode - set host controller for DMA mode
- * @drive: drive
- * @speed: DMA mode
- *
- * Tune the SiI chipset for the desired DMA mode.
- */
-
-static void sil_set_dma_mode(ide_drive_t *drive, const u8 speed)
-{
- static const u8 ultra6[] = { 0x0F, 0x0B, 0x07, 0x05, 0x03, 0x02, 0x01 };
- static const u8 ultra5[] = { 0x0C, 0x07, 0x05, 0x04, 0x02, 0x01 };
- static const u16 dma[] = { 0x2208, 0x10C2, 0x10C1 };
-
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- unsigned long base = (unsigned long)hwif->hwif_data;
- u16 ultra = 0, multi = 0;
- u8 mode = 0, unit = drive->dn & 1;
- u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
- u8 scsc = 0, addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84)
- : (mmio ? 0xB4 : 0x80);
- unsigned long ma = siimage_seldev(drive, 0x08);
- unsigned long ua = siimage_seldev(drive, 0x0C);
-
- scsc = sil_ioread8 (dev, base + (mmio ? 0x4A : 0x8A));
- mode = sil_ioread8 (dev, base + addr_mask);
- multi = sil_ioread16(dev, ma);
- ultra = sil_ioread16(dev, ua);
-
- mode &= ~(unit ? 0x30 : 0x03);
- ultra &= ~0x3F;
- scsc = ((scsc & 0x30) == 0x00) ? 0 : 1;
-
- scsc = is_sata(hwif) ? 1 : scsc;
-
- if (speed >= XFER_UDMA_0) {
- multi = dma[2];
- ultra |= scsc ? ultra6[speed - XFER_UDMA_0] :
- ultra5[speed - XFER_UDMA_0];
- mode |= unit ? 0x30 : 0x03;
- } else {
- multi = dma[speed - XFER_MW_DMA_0];
- mode |= unit ? 0x20 : 0x02;
- }
-
- sil_iowrite8 (dev, mode, base + addr_mask);
- sil_iowrite16(dev, multi, ma);
- sil_iowrite16(dev, ultra, ua);
-}
-
-/* returns 1 if dma irq issued, 0 otherwise */
-static int siimage_io_dma_test_irq(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- u8 dma_altstat = 0;
- unsigned long addr = siimage_selreg(hwif, 1);
-
- /* return 1 if INTR asserted */
- if (inb(hwif->dma_base + ATA_DMA_STATUS) & 4)
- return 1;
-
- /* return 1 if Device INTR asserted */
- pci_read_config_byte(dev, addr, &dma_altstat);
- if (dma_altstat & 8)
- return 0; /* return 1; */
-
- return 0;
-}
-
-/**
- * siimage_mmio_dma_test_irq - check we caused an IRQ
- * @drive: drive we are testing
- *
- * Check if we caused an IDE DMA interrupt. We may also have caused
- * SATA status interrupts, if so we clean them up and continue.
- */
-
-static int siimage_mmio_dma_test_irq(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = HWIF(drive);
- unsigned long addr = siimage_selreg(hwif, 0x1);
- void __iomem *sata_error_addr
- = (void __iomem *)hwif->sata_scr[SATA_ERROR_OFFSET];
-
- if (sata_error_addr) {
- unsigned long base = (unsigned long)hwif->hwif_data;
- u32 ext_stat = readl((void __iomem *)(base + 0x10));
- u8 watchdog = 0;
-
- if (ext_stat & ((hwif->channel) ? 0x40 : 0x10)) {
- u32 sata_error = readl(sata_error_addr);
-
- writel(sata_error, sata_error_addr);
- watchdog = (sata_error & 0x00680000) ? 1 : 0;
- printk(KERN_WARNING "%s: sata_error = 0x%08x, "
- "watchdog = %d, %s\n",
- drive->name, sata_error, watchdog, __func__);
- } else
- watchdog = (ext_stat & 0x8000) ? 1 : 0;
-
- ext_stat >>= 16;
- if (!(ext_stat & 0x0404) && !watchdog)
- return 0;
- }
-
- /* return 1 if INTR asserted */
- if (readb((void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)) & 4)
- return 1;
-
- /* return 1 if Device INTR asserted */
- if (readb((void __iomem *)addr) & 8)
- return 0; /* return 1; */
-
- return 0;
-}
-
-static int siimage_dma_test_irq(ide_drive_t *drive)
-{
- if (drive->hwif->host_flags & IDE_HFLAG_MMIO)
- return siimage_mmio_dma_test_irq(drive);
- else
- return siimage_io_dma_test_irq(drive);
-}
-
-/**
- * sil_sata_reset_poll - wait for SATA reset
- * @drive: drive we are resetting
- *
- * Poll the SATA phy and see whether it has come back from the dead
- * yet.
- */
-
-static int sil_sata_reset_poll(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- void __iomem *sata_status_addr
- = (void __iomem *)hwif->sata_scr[SATA_STATUS_OFFSET];
-
- if (sata_status_addr) {
- /* SATA Status is available only when in MMIO mode */
- u32 sata_stat = readl(sata_status_addr);
-
- if ((sata_stat & 0x03) != 0x03) {
- printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n",
- hwif->name, sata_stat);
- return -ENXIO;
- }
- }
-
- return 0;
-}
-
-/**
- * sil_sata_pre_reset - reset hook
- * @drive: IDE device being reset
- *
- * For the SATA devices we need to handle recalibration/geometry
- * differently
- */
-
-static void sil_sata_pre_reset(ide_drive_t *drive)
-{
- if (drive->media == ide_disk) {
- drive->special.b.set_geometry = 0;
- drive->special.b.recalibrate = 0;
- }
-}
-
-/**
- * init_chipset_siimage - set up an SI device
- * @dev: PCI device
- *
- * 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 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;
- u8 rev = dev->revision, tmp;
-
- pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, rev ? 1 : 255);
-
- if (ioaddr)
- pci_set_master(dev);
-
- base = (unsigned long)ioaddr;
-
- if (ioaddr && pdev_is_sata(dev)) {
- u32 tmp32, irq_mask;
-
- /* make sure IDE0/1 interrupts are not masked */
- irq_mask = (1 << 22) | (1 << 23);
- tmp32 = readl(ioaddr + 0x48);
- if (tmp32 & irq_mask) {
- tmp32 &= ~irq_mask;
- writel(tmp32, ioaddr + 0x48);
- readl(ioaddr + 0x48); /* flush */
- }
- writel(0, ioaddr + 0x148);
- writel(0, ioaddr + 0x1C8);
- }
-
- sil_iowrite8(dev, 0, base ? (base + 0xB4) : 0x80);
- sil_iowrite8(dev, 0, base ? (base + 0xF4) : 0x84);
-
- scsc_addr = base ? (base + 0x4A) : 0x8A;
- tmp = sil_ioread8(dev, scsc_addr);
-
- switch (tmp & 0x30) {
- case 0x00:
- /* On 100 MHz clocking, try and switch to 133 MHz */
- sil_iowrite8(dev, tmp | 0x10, scsc_addr);
- break;
- case 0x30:
- /* Clocking is disabled, attempt to force 133MHz clocking. */
- sil_iowrite8(dev, tmp & ~0x20, scsc_addr);
- case 0x10:
- /* On 133Mhz clocking. */
- break;
- case 0x20:
- /* On PCIx2 clocking. */
- break;
- }
-
- tmp = sil_ioread8(dev, scsc_addr);
-
- sil_iowrite8 (dev, 0x72, base + 0xA1);
- sil_iowrite16(dev, 0x328A, base + 0xA2);
- sil_iowrite32(dev, 0x62DD62DD, base + 0xA4);
- sil_iowrite32(dev, 0x43924392, base + 0xA8);
- sil_iowrite32(dev, 0x40094009, base + 0xAC);
- sil_iowrite8 (dev, 0x72, base ? (base + 0xE1) : 0xB1);
- sil_iowrite16(dev, 0x328A, base ? (base + 0xE2) : 0xB2);
- sil_iowrite32(dev, 0x62DD62DD, base ? (base + 0xE4) : 0xB4);
- sil_iowrite32(dev, 0x43924392, base ? (base + 0xE8) : 0xB8);
- sil_iowrite32(dev, 0x40094009, base ? (base + 0xEC) : 0xBC);
-
- if (base && pdev_is_sata(dev)) {
- writel(0xFFFF0000, ioaddr + 0x108);
- writel(0xFFFF0000, ioaddr + 0x188);
- writel(0x00680000, ioaddr + 0x148);
- writel(0x00680000, ioaddr + 0x1C8);
- }
-
- /* report the clocking mode of the controller */
- if (!pdev_is_sata(dev)) {
- static const char *clk_str[] =
- { "== 100", "== 133", "== 2X PCI", "DISABLED!" };
-
- tmp >>= 4;
- printk(KERN_INFO DRV_NAME " %s: BASE CLOCK %s\n",
- pci_name(dev), clk_str[tmp & 3]);
- }
-
- return 0;
-}
-
-/**
- * init_mmio_iops_siimage - set up the iops for MMIO
- * @hwif: interface to set up
- *
- * The basic setup here is fairly simple, we can use standard MMIO
- * operations. However we do have to set the taskfile register offsets
- * by hand as there isn't a standard defined layout for them this time.
- *
- * The hardware supports buffered taskfiles and also some rather nice
- * extended PRD tables. For better SI3112 support use the libata driver
- */
-
-static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
-{
- struct pci_dev *dev = to_pci_dev(hwif->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;
-
- /*
- * Fill in the basic hwif bits
- */
- hwif->host_flags |= IDE_HFLAG_MMIO;
-
- hwif->hwif_data = addr;
-
- /*
- * Now set up the hw. We have to do this ourselves as the
- * MMIO layout isn't the same as the standard port based I/O.
- */
- memset(io_ports, 0, sizeof(*io_ports));
-
- base = (unsigned long)addr;
- if (ch)
- base += 0xC0;
- else
- base += 0x80;
-
- /*
- * The buffered task file doesn't have status/control, so we
- * can't currently use it sanely since we want to use LBA48 mode.
- */
- io_ports->data_addr = base;
- io_ports->error_addr = base + 1;
- io_ports->nsect_addr = base + 2;
- io_ports->lbal_addr = base + 3;
- io_ports->lbam_addr = base + 4;
- io_ports->lbah_addr = base + 5;
- io_ports->device_addr = base + 6;
- io_ports->status_addr = base + 7;
- io_ports->ctl_addr = base + 10;
-
- if (pdev_is_sata(dev)) {
- base = (unsigned long)addr;
- if (ch)
- base += 0x80;
- hwif->sata_scr[SATA_STATUS_OFFSET] = base + 0x104;
- hwif->sata_scr[SATA_ERROR_OFFSET] = base + 0x108;
- hwif->sata_scr[SATA_CONTROL_OFFSET] = base + 0x100;
- }
-
- hwif->irq = dev->irq;
-
- hwif->dma_base = (unsigned long)addr + (ch ? 0x08 : 0x00);
-}
-
-static int is_dev_seagate_sata(ide_drive_t *drive)
-{
- const char *s = (const char *)&drive->id[ATA_ID_PROD];
- unsigned len = strnlen(s, ATA_ID_PROD_LEN);
-
- if ((len > 4) && (!memcmp(s, "ST", 2)))
- if ((!memcmp(s + len - 2, "AS", 2)) ||
- (!memcmp(s + len - 3, "ASL", 3))) {
- printk(KERN_INFO "%s: applying pessimistic Seagate "
- "errata fix\n", drive->name);
- return 1;
- }
-
- return 0;
-}
-
-/**
- * sil_quirkproc - post probe fixups
- * @drive: drive
- *
- * Called after drive probe we use this to decide whether the
- * Seagate fixup must be applied. This used to be in init_iops but
- * that can occur before we know what drives are present.
- */
-
-static void sil_quirkproc(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
-
- /* Try and rise the rqsize */
- if (!is_sata(hwif) || !is_dev_seagate_sata(drive))
- hwif->rqsize = 128;
-}
-
-/**
- * init_iops_siimage - set up iops
- * @hwif: interface to set up
- *
- * Do the basic setup for the SIIMAGE hardware interface
- * and then do the MMIO setup if we can. This is the first
- * look in we get for setting up the hwif so that we
- * can get the iops right before using them.
- */
-
-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 (host->host_priv)
- init_mmio_iops_siimage(hwif);
-}
-
-/**
- * sil_cable_detect - cable detection
- * @hwif: interface to check
- *
- * Check for the presence of an ATA66 capable cable on the interface.
- */
-
-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);
- u8 ata66 = sil_ioread8(dev, addr);
-
- return (ata66 & 0x01) ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
-}
-
-static const struct ide_port_ops sil_pata_port_ops = {
- .set_pio_mode = sil_set_pio_mode,
- .set_dma_mode = sil_set_dma_mode,
- .quirkproc = sil_quirkproc,
- .udma_filter = sil_pata_udma_filter,
- .cable_detect = sil_cable_detect,
-};
-
-static const struct ide_port_ops sil_sata_port_ops = {
- .set_pio_mode = sil_set_pio_mode,
- .set_dma_mode = sil_set_dma_mode,
- .reset_poll = sil_sata_reset_poll,
- .pre_reset = sil_sata_pre_reset,
- .quirkproc = sil_quirkproc,
- .udma_filter = sil_sata_udma_filter,
- .cable_detect = sil_cable_detect,
-};
-
-static const struct ide_dma_ops sil_dma_ops = {
- .dma_host_set = ide_dma_host_set,
- .dma_setup = ide_dma_setup,
- .dma_exec_cmd = ide_dma_exec_cmd,
- .dma_start = ide_dma_start,
- .dma_end = ide_dma_end,
- .dma_test_irq = siimage_dma_test_irq,
- .dma_timeout = ide_dma_timeout,
- .dma_lost_irq = ide_dma_lost_irq,
-};
-
-#define DECLARE_SII_DEV(p_ops) \
- { \
- .name = DRV_NAME, \
- .init_chipset = init_chipset_siimage, \
- .init_iops = init_iops_siimage, \
- .port_ops = p_ops, \
- .dma_ops = &sil_dma_ops, \
- .pio_mask = ATA_PIO4, \
- .mwdma_mask = ATA_MWDMA2, \
- .udma_mask = ATA_UDMA6, \
- }
-
-static const struct ide_port_info siimage_chipsets[] __devinitdata = {
- /* 0: SiI680 */ DECLARE_SII_DEV(&sil_pata_port_ops),
- /* 1: SiI3112 */ DECLARE_SII_DEV(&sil_sata_port_ops)
-};
-
-/**
- * siimage_init_one - PCI layer discovery entry
- * @dev: PCI device
- * @id: ident table entry
- *
- * Called by the PCI code when it finds an SiI680 or SiI3112 controller.
- * We then use the IDE PCI generic helper to do most of the work.
- */
-
-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];
-
- if (idx) {
- static int first = 1;
-
- if (first) {
- printk(KERN_INFO DRV_NAME ": For full SATA support you "
- "should use the libata sata_sil module.\n");
- first = 0;
- }
-
- d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
- }
-
- 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), 1 },
-#endif
- { 0, },
-};
-MODULE_DEVICE_TABLE(pci, siimage_pci_tbl);
-
-static struct pci_driver siimage_pci_driver = {
- .name = "SiI_IDE",
- .id_table = siimage_pci_tbl,
- .probe = siimage_init_one,
- .remove = __devexit_p(siimage_remove),
- .suspend = ide_pci_suspend,
- .resume = ide_pci_resume,
-};
-
-static int __init siimage_ide_init(void)
-{
- return ide_pci_register_driver(&siimage_pci_driver);
-}
-
-static void __exit siimage_ide_exit(void)
-{
- pci_unregister_driver(&siimage_pci_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");
-MODULE_LICENSE("GPL");