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path: root/drivers/ide/pci/serverworks.c
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Diffstat (limited to 'drivers/ide/pci/serverworks.c')
-rw-r--r--drivers/ide/pci/serverworks.c675
1 files changed, 675 insertions, 0 deletions
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
new file mode 100644
index 00000000000..82a1103b241
--- /dev/null
+++ b/drivers/ide/pci/serverworks.c
@@ -0,0 +1,675 @@
+/*
+ * linux/drivers/ide/pci/serverworks.c Version 0.8 25 Ebr 2003
+ *
+ * Copyright (C) 1998-2000 Michel Aubry
+ * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
+ * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
+ * Portions copyright (c) 2001 Sun Microsystems
+ *
+ *
+ * RCC/ServerWorks IDE driver for Linux
+ *
+ * OSB4: `Open South Bridge' IDE Interface (fn 1)
+ * supports UDMA mode 2 (33 MB/s)
+ *
+ * CSB5: `Champion South Bridge' IDE Interface (fn 1)
+ * all revisions support UDMA mode 4 (66 MB/s)
+ * revision A2.0 and up support UDMA mode 5 (100 MB/s)
+ *
+ * *** The CSB5 does not provide ANY register ***
+ * *** to detect 80-conductor cable presence. ***
+ *
+ * CSB6: `Champion South Bridge' IDE Interface (optional: third channel)
+ *
+ * Documentation:
+ * Available under NDA only. Errata info very hard to get.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/hdreg.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+
+#define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */
+#define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */
+
+/* Seagate Barracuda ATA IV Family drives in UDMA mode 5
+ * can overrun their FIFOs when used with the CSB5 */
+static const char *svwks_bad_ata100[] = {
+ "ST320011A",
+ "ST340016A",
+ "ST360021A",
+ "ST380021A",
+ NULL
+};
+
+static u8 svwks_revision = 0;
+static struct pci_dev *isa_dev;
+
+static int check_in_drive_lists (ide_drive_t *drive, const char **list)
+{
+ while (*list)
+ if (!strcmp(*list++, drive->id->model))
+ return 1;
+ return 0;
+}
+
+static u8 svwks_ratemask (ide_drive_t *drive)
+{
+ struct pci_dev *dev = HWIF(drive)->pci_dev;
+ u8 mode;
+
+ if (!svwks_revision)
+ pci_read_config_byte(dev, PCI_REVISION_ID, &svwks_revision);
+
+ if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
+ u32 reg = 0;
+ if (isa_dev)
+ pci_read_config_dword(isa_dev, 0x64, &reg);
+
+ /*
+ * Don't enable UDMA on disk devices for the moment
+ */
+ if(drive->media == ide_disk)
+ return 0;
+ /* Check the OSB4 DMA33 enable bit */
+ return ((reg & 0x00004000) == 0x00004000) ? 1 : 0;
+ } else if (svwks_revision < SVWKS_CSB5_REVISION_NEW) {
+ return 1;
+ } else if (svwks_revision >= SVWKS_CSB5_REVISION_NEW) {
+ u8 btr = 0;
+ pci_read_config_byte(dev, 0x5A, &btr);
+ mode = btr & 0x3;
+ if (!eighty_ninty_three(drive))
+ mode = min(mode, (u8)1);
+ /* If someone decides to do UDMA133 on CSB5 the same
+ issue will bite so be inclusive */
+ if (mode > 2 && check_in_drive_lists(drive, svwks_bad_ata100))
+ mode = 2;
+ }
+ if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) &&
+ (!(PCI_FUNC(dev->devfn) & 1)))
+ mode = 2;
+ return mode;
+}
+
+static u8 svwks_csb_check (struct pci_dev *dev)
+{
+ switch (dev->device) {
+ case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE:
+ case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE:
+ case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2:
+ return 1;
+ default:
+ break;
+ }
+ return 0;
+}
+static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
+{
+ u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
+ u8 dma_modes[] = { 0x77, 0x21, 0x20 };
+ u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
+ u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
+ u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 };
+
+ ide_hwif_t *hwif = HWIF(drive);
+ struct pci_dev *dev = hwif->pci_dev;
+ u8 speed;
+ u8 pio = ide_get_best_pio_mode(drive, 255, 5, NULL);
+ u8 unit = (drive->select.b.unit & 0x01);
+ u8 csb5 = svwks_csb_check(dev);
+ u8 ultra_enable = 0, ultra_timing = 0;
+ u8 dma_timing = 0, pio_timing = 0;
+ u16 csb5_pio = 0;
+
+ if (xferspeed == 255) /* PIO auto-tuning */
+ speed = XFER_PIO_0 + pio;
+ else
+ speed = ide_rate_filter(svwks_ratemask(drive), xferspeed);
+
+ /* If we are about to put a disk into UDMA mode we screwed up.
+ Our code assumes we never _ever_ do this on an OSB4 */
+
+ if(dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4 &&
+ drive->media == ide_disk && speed >= XFER_UDMA_0)
+ BUG();
+
+ pci_read_config_byte(dev, drive_pci[drive->dn], &pio_timing);
+ pci_read_config_byte(dev, drive_pci2[drive->dn], &dma_timing);
+ pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing);
+ pci_read_config_word(dev, 0x4A, &csb5_pio);
+ pci_read_config_byte(dev, 0x54, &ultra_enable);
+
+ /* Per Specified Design by OEM, and ASIC Architect */
+ if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) {
+ if (!drive->init_speed) {
+ u8 dma_stat = hwif->INB(hwif->dma_status);
+
+dma_pio:
+ if (((ultra_enable << (7-drive->dn) & 0x80) == 0x80) &&
+ ((dma_stat & (1<<(5+unit))) == (1<<(5+unit)))) {
+ drive->current_speed = drive->init_speed = XFER_UDMA_0 + udma_modes[(ultra_timing >> (4*unit)) & ~(0xF0)];
+ return 0;
+ } else if ((dma_timing) &&
+ ((dma_stat&(1<<(5+unit)))==(1<<(5+unit)))) {
+ u8 dmaspeed = dma_timing;
+
+ dma_timing &= ~0xFF;
+ if ((dmaspeed & 0x20) == 0x20)
+ dmaspeed = XFER_MW_DMA_2;
+ else if ((dmaspeed & 0x21) == 0x21)
+ dmaspeed = XFER_MW_DMA_1;
+ else if ((dmaspeed & 0x77) == 0x77)
+ dmaspeed = XFER_MW_DMA_0;
+ else
+ goto dma_pio;
+ drive->current_speed = drive->init_speed = dmaspeed;
+ return 0;
+ } else if (pio_timing) {
+ u8 piospeed = pio_timing;
+
+ pio_timing &= ~0xFF;
+ if ((piospeed & 0x20) == 0x20)
+ piospeed = XFER_PIO_4;
+ else if ((piospeed & 0x22) == 0x22)
+ piospeed = XFER_PIO_3;
+ else if ((piospeed & 0x34) == 0x34)
+ piospeed = XFER_PIO_2;
+ else if ((piospeed & 0x47) == 0x47)
+ piospeed = XFER_PIO_1;
+ else if ((piospeed & 0x5d) == 0x5d)
+ piospeed = XFER_PIO_0;
+ else
+ goto oem_setup_failed;
+ drive->current_speed = drive->init_speed = piospeed;
+ return 0;
+ }
+ }
+ }
+
+oem_setup_failed:
+
+ pio_timing &= ~0xFF;
+ dma_timing &= ~0xFF;
+ ultra_timing &= ~(0x0F << (4*unit));
+ ultra_enable &= ~(0x01 << drive->dn);
+ csb5_pio &= ~(0x0F << (4*drive->dn));
+
+ switch(speed) {
+ case XFER_PIO_4:
+ case XFER_PIO_3:
+ case XFER_PIO_2:
+ case XFER_PIO_1:
+ case XFER_PIO_0:
+ pio_timing |= pio_modes[speed - XFER_PIO_0];
+ csb5_pio |= ((speed - XFER_PIO_0) << (4*drive->dn));
+ break;
+
+ case XFER_MW_DMA_2:
+ case XFER_MW_DMA_1:
+ case XFER_MW_DMA_0:
+ pio_timing |= pio_modes[pio];
+ csb5_pio |= (pio << (4*drive->dn));
+ dma_timing |= dma_modes[speed - XFER_MW_DMA_0];
+ break;
+
+ case XFER_UDMA_5:
+ case XFER_UDMA_4:
+ case XFER_UDMA_3:
+ case XFER_UDMA_2:
+ case XFER_UDMA_1:
+ case XFER_UDMA_0:
+ pio_timing |= pio_modes[pio];
+ csb5_pio |= (pio << (4*drive->dn));
+ dma_timing |= dma_modes[2];
+ ultra_timing |= ((udma_modes[speed - XFER_UDMA_0]) << (4*unit));
+ ultra_enable |= (0x01 << drive->dn);
+ default:
+ break;
+ }
+
+ pci_write_config_byte(dev, drive_pci[drive->dn], pio_timing);
+ if (csb5)
+ pci_write_config_word(dev, 0x4A, csb5_pio);
+
+ pci_write_config_byte(dev, drive_pci2[drive->dn], dma_timing);
+ pci_write_config_byte(dev, (0x56|hwif->channel), ultra_timing);
+ pci_write_config_byte(dev, 0x54, ultra_enable);
+
+ return (ide_config_drive_speed(drive, speed));
+}
+
+static void config_chipset_for_pio (ide_drive_t *drive)
+{
+ u16 eide_pio_timing[6] = {960, 480, 240, 180, 120, 90};
+ u16 xfer_pio = drive->id->eide_pio_modes;
+ u8 timing, speed, pio;
+
+ pio = ide_get_best_pio_mode(drive, 255, 5, NULL);
+
+ if (xfer_pio > 4)
+ xfer_pio = 0;
+
+ if (drive->id->eide_pio_iordy > 0)
+ for (xfer_pio = 5;
+ xfer_pio>0 &&
+ drive->id->eide_pio_iordy>eide_pio_timing[xfer_pio];
+ xfer_pio--);
+ else
+ xfer_pio = (drive->id->eide_pio_modes & 4) ? 0x05 :
+ (drive->id->eide_pio_modes & 2) ? 0x04 :
+ (drive->id->eide_pio_modes & 1) ? 0x03 :
+ (drive->id->tPIO & 2) ? 0x02 :
+ (drive->id->tPIO & 1) ? 0x01 : xfer_pio;
+
+ timing = (xfer_pio >= pio) ? xfer_pio : pio;
+
+ switch(timing) {
+ case 4: speed = XFER_PIO_4;break;
+ case 3: speed = XFER_PIO_3;break;
+ case 2: speed = XFER_PIO_2;break;
+ case 1: speed = XFER_PIO_1;break;
+ default:
+ speed = (!drive->id->tPIO) ? XFER_PIO_0 : XFER_PIO_SLOW;
+ break;
+ }
+ (void) svwks_tune_chipset(drive, speed);
+ drive->current_speed = speed;
+}
+
+static void svwks_tune_drive (ide_drive_t *drive, u8 pio)
+{
+ if(pio == 255)
+ (void) svwks_tune_chipset(drive, 255);
+ else
+ (void) svwks_tune_chipset(drive, (XFER_PIO_0 + pio));
+}
+
+static int config_chipset_for_dma (ide_drive_t *drive)
+{
+ u8 speed = ide_dma_speed(drive, svwks_ratemask(drive));
+
+ if (!(speed))
+ speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 5, NULL);
+
+ (void) svwks_tune_chipset(drive, speed);
+ return ide_dma_enable(drive);
+}
+
+static int svwks_config_drive_xfer_rate (ide_drive_t *drive)
+{
+ ide_hwif_t *hwif = HWIF(drive);
+ struct hd_driveid *id = drive->id;
+
+ drive->init_speed = 0;
+
+ if ((id->capability & 1) && drive->autodma) {
+
+ if (ide_use_dma(drive)) {
+ if (config_chipset_for_dma(drive))
+ return hwif->ide_dma_on(drive);
+ }
+
+ goto fast_ata_pio;
+
+ } else if ((id->capability & 8) || (id->field_valid & 2)) {
+fast_ata_pio:
+ config_chipset_for_pio(drive);
+ // hwif->tuneproc(drive, 5);
+ return hwif->ide_dma_off_quietly(drive);
+ }
+ /* IORDY not supported */
+ return 0;
+}
+
+/* This can go soon */
+
+static int svwks_ide_dma_end (ide_drive_t *drive)
+{
+ return __ide_dma_end(drive);
+}
+
+static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const char *name)
+{
+ unsigned int reg;
+ u8 btr;
+
+ /* save revision id to determine DMA capability */
+ pci_read_config_byte(dev, PCI_REVISION_ID, &svwks_revision);
+
+ /* force Master Latency Timer value to 64 PCICLKs */
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x40);
+
+ /* OSB4 : South Bridge and IDE */
+ if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
+ isa_dev = pci_find_device(PCI_VENDOR_ID_SERVERWORKS,
+ PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL);
+ if (isa_dev) {
+ pci_read_config_dword(isa_dev, 0x64, &reg);
+ reg &= ~0x00002000; /* disable 600ns interrupt mask */
+ if(!(reg & 0x00004000))
+ printk(KERN_DEBUG "%s: UDMA not BIOS enabled.\n", name);
+ reg |= 0x00004000; /* enable UDMA/33 support */
+ pci_write_config_dword(isa_dev, 0x64, reg);
+ }
+ }
+
+ /* setup CSB5/CSB6 : South Bridge and IDE option RAID */
+ else if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ||
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) {
+
+ /* Third Channel Test */
+ if (!(PCI_FUNC(dev->devfn) & 1)) {
+ struct pci_dev * findev = NULL;
+ u32 reg4c = 0;
+ findev = pci_find_device(PCI_VENDOR_ID_SERVERWORKS,
+ PCI_DEVICE_ID_SERVERWORKS_CSB5, NULL);
+ if (findev) {
+ pci_read_config_dword(findev, 0x4C, &reg4c);
+ reg4c &= ~0x000007FF;
+ reg4c |= 0x00000040;
+ reg4c |= 0x00000020;
+ pci_write_config_dword(findev, 0x4C, reg4c);
+ }
+ outb_p(0x06, 0x0c00);
+ dev->irq = inb_p(0x0c01);
+#if 0
+ printk("%s: device class (0x%04x)\n",
+ name, dev->class);
+ if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) {
+ dev->class &= ~0x000F0F00;
+ // dev->class |= ~0x00000400;
+ dev->class |= ~0x00010100;
+ /**/
+ }
+#endif
+ } else {
+ struct pci_dev * findev = NULL;
+ u8 reg41 = 0;
+
+ findev = pci_find_device(PCI_VENDOR_ID_SERVERWORKS,
+ PCI_DEVICE_ID_SERVERWORKS_CSB6, NULL);
+ if (findev) {
+ pci_read_config_byte(findev, 0x41, &reg41);
+ reg41 &= ~0x40;
+ pci_write_config_byte(findev, 0x41, reg41);
+ }
+ /*
+ * This is a device pin issue on CSB6.
+ * Since there will be a future raid mode,
+ * early versions of the chipset require the
+ * interrupt pin to be set, and it is a compatibility
+ * mode issue.
+ */
+ if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE)
+ dev->irq = 0;
+ }
+// pci_read_config_dword(dev, 0x40, &pioreg)
+// pci_write_config_dword(dev, 0x40, 0x99999999);
+// pci_read_config_dword(dev, 0x44, &dmareg);
+// pci_write_config_dword(dev, 0x44, 0xFFFFFFFF);
+ /* setup the UDMA Control register
+ *
+ * 1. clear bit 6 to enable DMA
+ * 2. enable DMA modes with bits 0-1
+ * 00 : legacy
+ * 01 : udma2
+ * 10 : udma2/udma4
+ * 11 : udma2/udma4/udma5
+ */
+ pci_read_config_byte(dev, 0x5A, &btr);
+ btr &= ~0x40;
+ if (!(PCI_FUNC(dev->devfn) & 1))
+ btr |= 0x2;
+ else
+ btr |= (svwks_revision >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2;
+ pci_write_config_byte(dev, 0x5A, btr);
+ }
+
+ return (dev->irq) ? dev->irq : 0;
+}
+
+static unsigned int __init ata66_svwks_svwks (ide_hwif_t *hwif)
+{
+ return 1;
+}
+
+/* On Dell PowerEdge servers with a CSB5/CSB6, the top two bits
+ * of the subsystem device ID indicate presence of an 80-pin cable.
+ * Bit 15 clear = secondary IDE channel does not have 80-pin cable.
+ * Bit 15 set = secondary IDE channel has 80-pin cable.
+ * Bit 14 clear = primary IDE channel does not have 80-pin cable.
+ * Bit 14 set = primary IDE channel has 80-pin cable.
+ */
+static unsigned int __init ata66_svwks_dell (ide_hwif_t *hwif)
+{
+ struct pci_dev *dev = hwif->pci_dev;
+ if (dev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
+ dev->vendor == PCI_VENDOR_ID_SERVERWORKS &&
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE ||
+ dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE))
+ return ((1 << (hwif->channel + 14)) &
+ dev->subsystem_device) ? 1 : 0;
+ return 0;
+}
+
+/* Sun Cobalt Alpine hardware avoids the 80-pin cable
+ * detect issue by attaching the drives directly to the board.
+ * This check follows the Dell precedent (how scary is that?!)
+ *
+ * WARNING: this only works on Alpine hardware!
+ */
+static unsigned int __init ata66_svwks_cobalt (ide_hwif_t *hwif)
+{
+ struct pci_dev *dev = hwif->pci_dev;
+ if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN &&
+ dev->vendor == PCI_VENDOR_ID_SERVERWORKS &&
+ dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE)
+ return ((1 << (hwif->channel + 14)) &
+ dev->subsystem_device) ? 1 : 0;
+ return 0;
+}
+
+static unsigned int __init ata66_svwks (ide_hwif_t *hwif)
+{
+ struct pci_dev *dev = hwif->pci_dev;
+
+ /* Per Specified Design by OEM, and ASIC Architect */
+ if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2))
+ return 1;
+
+ /* Server Works */
+ if (dev->subsystem_vendor == PCI_VENDOR_ID_SERVERWORKS)
+ return ata66_svwks_svwks (hwif);
+
+ /* Dell PowerEdge */
+ if (dev->subsystem_vendor == PCI_VENDOR_ID_DELL)
+ return ata66_svwks_dell (hwif);
+
+ /* Cobalt Alpine */
+ if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN)
+ return ata66_svwks_cobalt (hwif);
+
+ return 0;
+}
+
+#undef CAN_SW_DMA
+static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
+{
+ u8 dma_stat = 0;
+
+ if (!hwif->irq)
+ hwif->irq = hwif->channel ? 15 : 14;
+
+ hwif->tuneproc = &svwks_tune_drive;
+ hwif->speedproc = &svwks_tune_chipset;
+
+ hwif->atapi_dma = 1;
+
+ if (hwif->pci_dev->device != PCI_DEVICE_ID_SERVERWORKS_OSB4IDE)
+ hwif->ultra_mask = 0x3f;
+
+ hwif->mwdma_mask = 0x07;
+#ifdef CAN_SW_DMA
+ hwif->swdma_mask = 0x07;
+#endif /* CAN_SW_DMA */
+
+ hwif->autodma = 0;
+
+ if (!hwif->dma_base) {
+ hwif->drives[0].autotune = 1;
+ hwif->drives[1].autotune = 1;
+ return;
+ }
+
+ hwif->ide_dma_check = &svwks_config_drive_xfer_rate;
+ if (hwif->pci_dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE)
+ hwif->ide_dma_end = &svwks_ide_dma_end;
+ else if (!(hwif->udma_four))
+ hwif->udma_four = ata66_svwks(hwif);
+ if (!noautodma)
+ hwif->autodma = 1;
+
+ dma_stat = hwif->INB(hwif->dma_status);
+ hwif->drives[0].autodma = (dma_stat & 0x20);
+ hwif->drives[1].autodma = (dma_stat & 0x40);
+ hwif->drives[0].autotune = (!(dma_stat & 0x20));
+ hwif->drives[1].autotune = (!(dma_stat & 0x40));
+// hwif->drives[0].autodma = hwif->autodma;
+// hwif->drives[1].autodma = hwif->autodma;
+}
+
+/*
+ * We allow the BM-DMA driver to only work on enabled interfaces.
+ */
+static void __devinit init_dma_svwks (ide_hwif_t *hwif, unsigned long dmabase)
+{
+ struct pci_dev *dev = hwif->pci_dev;
+
+ if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
+ (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) &&
+ (!(PCI_FUNC(dev->devfn) & 1)) && (hwif->channel))
+ return;
+
+ ide_setup_dma(hwif, dmabase, 8);
+}
+
+static int __devinit init_setup_svwks (struct pci_dev *dev, ide_pci_device_t *d)
+{
+ return ide_setup_pci_device(dev, d);
+}
+
+static int __init init_setup_csb6 (struct pci_dev *dev, ide_pci_device_t *d)
+{
+ if (!(PCI_FUNC(dev->devfn) & 1)) {
+ d->bootable = NEVER_BOARD;
+ if (dev->resource[0].start == 0x01f1)
+ d->bootable = ON_BOARD;
+ }
+#if 0
+ if ((IDE_PCI_DEVID_EQ(d->devid, DEVID_CSB6) &&
+ (!(PCI_FUNC(dev->devfn) & 1)))
+ d->autodma = AUTODMA;
+#endif
+
+ d->channels = ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE ||
+ dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) &&
+ (!(PCI_FUNC(dev->devfn) & 1))) ? 1 : 2;
+
+ return ide_setup_pci_device(dev, d);
+}
+
+static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
+ { /* 0 */
+ .name = "SvrWks OSB4",
+ .init_setup = init_setup_svwks,
+ .init_chipset = init_chipset_svwks,
+ .init_hwif = init_hwif_svwks,
+ .channels = 2,
+ .autodma = AUTODMA,
+ .bootable = ON_BOARD,
+ },{ /* 1 */
+ .name = "SvrWks CSB5",
+ .init_setup = init_setup_svwks,
+ .init_chipset = init_chipset_svwks,
+ .init_hwif = init_hwif_svwks,
+ .init_dma = init_dma_svwks,
+ .channels = 2,
+ .autodma = AUTODMA,
+ .bootable = ON_BOARD,
+ },{ /* 2 */
+ .name = "SvrWks CSB6",
+ .init_setup = init_setup_csb6,
+ .init_chipset = init_chipset_svwks,
+ .init_hwif = init_hwif_svwks,
+ .init_dma = init_dma_svwks,
+ .channels = 2,
+ .autodma = AUTODMA,
+ .bootable = ON_BOARD,
+ },{ /* 3 */
+ .name = "SvrWks CSB6",
+ .init_setup = init_setup_csb6,
+ .init_chipset = init_chipset_svwks,
+ .init_hwif = init_hwif_svwks,
+ .init_dma = init_dma_svwks,
+ .channels = 1, /* 2 */
+ .autodma = AUTODMA,
+ .bootable = ON_BOARD,
+ }
+};
+
+/**
+ * svwks_init_one - called when a OSB/CSB is found
+ * @dev: the svwks device
+ * @id: the matching pci id
+ *
+ * Called when the PCI registration layer (or the IDE initialization)
+ * finds a device matching our IDE device tables.
+ */
+
+static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ ide_pci_device_t *d = &serverworks_chipsets[id->driver_data];
+
+ return d->init_setup(dev, d);
+}
+
+static struct pci_device_id svwks_pci_tbl[] = {
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
+ { 0, },
+};
+MODULE_DEVICE_TABLE(pci, svwks_pci_tbl);
+
+static struct pci_driver driver = {
+ .name = "Serverworks_IDE",
+ .id_table = svwks_pci_tbl,
+ .probe = svwks_init_one,
+};
+
+static int svwks_ide_init(void)
+{
+ return ide_pci_register_driver(&driver);
+}
+
+module_init(svwks_ide_init);
+
+MODULE_AUTHOR("Michael Aubry. Andrzej Krzysztofowicz, Andre Hedrick");
+MODULE_DESCRIPTION("PCI driver module for Serverworks OSB4/CSB5/CSB6 IDE");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 00:48:21 +0000