/*
*
- * Version 3.47
+ * Version 3.50
*
* VIA IDE driver for Linux. Supported southbridges:
*
* @drive: Drive to set up
* @speed: desired speed
*
- * via_set_drive() computes timing values configures the drive and
- * the chipset to a desired transfer mode. It also can be called
- * by upper layers.
+ * via_set_drive() computes timing values configures the chipset to
+ * a desired transfer mode. It also can be called by upper layers.
*/
-static int via_set_drive(ide_drive_t *drive, u8 speed)
+static void via_set_drive(ide_drive_t *drive, const u8 speed)
{
ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1);
struct via82cxxx_dev *vdev = pci_get_drvdata(drive->hwif->pci_dev);
struct ide_timing t, p;
unsigned int T, UT;
- if (speed != XFER_PIO_SLOW)
- ide_config_drive_speed(drive, speed);
-
T = 1000000000 / via_clock;
switch (vdev->via_config->udma_mask) {
}
via_set_speed(HWIF(drive), drive->dn, &t);
-
- if (!drive->init_speed)
- drive->init_speed = speed;
- drive->current_speed = speed;
-
- return 0;
}
/**
- * via82cxxx_tune_drive - PIO setup
- * @drive: drive to set up
- * @pio: mode to use (255 for 'best possible')
+ * via_set_pio_mode - set host controller for PIO mode
+ * @drive: drive
+ * @pio: PIO mode number
*
* A callback from the upper layers for PIO-only tuning.
*/
-static void via82cxxx_tune_drive(ide_drive_t *drive, u8 pio)
+static void via_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- if (pio == 255)
- pio = ide_get_best_pio_mode(drive, 255, 5);
-
- via_set_drive(drive, XFER_PIO_0 + min_t(u8, pio, 5));
-}
-
-/**
- * via82cxxx_ide_dma_check - set up for DMA if possible
- * @drive: IDE drive to set up
- *
- * Set up the drive for the highest supported speed considering the
- * driver, controller and cable
- */
-
-static int via82cxxx_ide_dma_check (ide_drive_t *drive)
-{
- u8 speed = ide_max_dma_mode(drive);
-
- if (speed == 0) {
- via82cxxx_tune_drive(drive, 255);
- return -1;
- }
-
- via_set_drive(drive, speed);
-
- if (drive->autodma)
- return 0;
-
- return -1;
+ via_set_drive(drive, XFER_PIO_0 + pio);
}
static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
* Cable special cases
*/
-static struct dmi_system_id cable_dmi_table[] = {
+static const struct dmi_system_id cable_dmi_table[] = {
{
.ident = "Acer Ferrari 3400",
.matches = {
static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
{
- struct via82cxxx_dev *vdev = pci_get_drvdata(hwif->pci_dev);
- int i;
-
- hwif->autodma = 0;
-
- hwif->tuneproc = &via82cxxx_tune_drive;
- hwif->speedproc = &via_set_drive;
-
-
-#ifdef CONFIG_PPC_CHRP
- if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) {
- hwif->irq = hwif->channel ? 15 : 14;
- }
-#endif
-
- for (i = 0; i < 2; i++) {
- hwif->drives[i].io_32bit = 1;
- hwif->drives[i].unmask = (vdev->via_config->flags & VIA_NO_UNMASK) ? 0 : 1;
- hwif->drives[i].autotune = 1;
- hwif->drives[i].dn = hwif->channel * 2 + i;
- }
+ hwif->set_pio_mode = &via_set_pio_mode;
+ hwif->set_dma_mode = &via_set_drive;
if (!hwif->dma_base)
return;
- hwif->atapi_dma = 1;
-
- hwif->ultra_mask = vdev->via_config->udma_mask;
- hwif->mwdma_mask = 0x07;
- hwif->swdma_mask = 0x07;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = via82cxxx_cable_detect(hwif);
-
- hwif->ide_dma_check = &via82cxxx_ide_dma_check;
- if (!noautodma)
- hwif->autodma = 1;
- hwif->drives[0].autodma = hwif->autodma;
- hwif->drives[1].autodma = hwif->autodma;
}
-static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = {
- { /* 0 */
- .name = "VP_IDE",
- .init_chipset = init_chipset_via82cxxx,
- .init_hwif = init_hwif_via82cxxx,
- .autodma = NOAUTODMA,
- .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
- .bootable = ON_BOARD,
- .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST
- | IDE_HFLAG_PIO_NO_DOWNGRADE,
- .pio_mask = ATA_PIO5,
- },{ /* 1 */
- .name = "VP_IDE",
- .init_chipset = init_chipset_via82cxxx,
- .init_hwif = init_hwif_via82cxxx,
- .autodma = AUTODMA,
- .enablebits = {{0x00,0x00,0x00}, {0x00,0x00,0x00}},
- .bootable = ON_BOARD,
- .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST
- | IDE_HFLAG_PIO_NO_DOWNGRADE,
- .pio_mask = ATA_PIO5,
- }
+static const struct ide_port_info via82cxxx_chipset __devinitdata = {
+ .name = "VP_IDE",
+ .init_chipset = init_chipset_via82cxxx,
+ .init_hwif = init_hwif_via82cxxx,
+ .enablebits = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },
+ .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST |
+ IDE_HFLAG_PIO_NO_DOWNGRADE |
+ IDE_HFLAG_POST_SET_MODE |
+ IDE_HFLAG_IO_32BIT |
+ IDE_HFLAG_BOOTABLE,
+ .pio_mask = ATA_PIO5,
+ .swdma_mask = ATA_SWDMA2,
+ .mwdma_mask = ATA_MWDMA2,
};
static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
struct pci_dev *isa = NULL;
struct via_isa_bridge *via_config;
+ u8 idx = id->driver_data;
+ struct ide_port_info d;
+
+ d = via82cxxx_chipset;
+
/*
* Find the ISA bridge and check we know what it is.
*/
printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n");
return -ENODEV;
}
- return ide_setup_pci_device(dev, &via82cxxx_chipsets[id->driver_data]);
+
+ if (idx == 0)
+ d.host_flags |= IDE_HFLAG_NO_AUTODMA;
+ else
+ d.enablebits[1].reg = d.enablebits[0].reg = 0;
+
+ if ((via_config->flags & VIA_NO_UNMASK) == 0)
+ d.host_flags |= IDE_HFLAG_UNMASK_IRQS;
+
+#ifdef CONFIG_PPC_CHRP
+ if (machine_is(chrp) && _chrp_type == _CHRP_Pegasos)
+ d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS;
+#endif
+
+ d.udma_mask = via_config->udma_mask;
+
+ return ide_setup_pci_device(dev, &d);
}
-static struct pci_device_id via_pci_tbl[] = {
- { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C576_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_6410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
- { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_SATA_EIDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
+static const struct pci_device_id via_pci_tbl[] = {
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), 0 },
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1), 0 },
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410), 1 },
+ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, via_pci_tbl);
git.samba.org / sfrench / cifs-2.6.git / blobdiff