/*
- *
- * Version 3.38
- *
* VIA IDE driver for Linux. Supported southbridges:
*
* vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b,
* vt8235, vt8237, vt8237a
*
* Copyright (c) 2000-2002 Vojtech Pavlik
+ * Copyright (c) 2007 Bartlomiej Zolnierkiewicz
*
* Based on the work of:
* Michel Aubry
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/blkdev.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/ide.h>
-#include <asm/io.h>
+#include <linux/dmi.h>
#ifdef CONFIG_PPC_CHRP
#include <asm/processor.h>
#endif
-#include "ide-timing.h"
-
-#define DISPLAY_VIA_TIMINGS
+#define DRV_NAME "via82cxxx"
#define VIA_IDE_ENABLE 0x40
#define VIA_IDE_CONFIG 0x41
#define VIA_ADDRESS_SETUP 0x4c
#define VIA_UDMA_TIMING 0x50
-#define VIA_UDMA 0x007
-#define VIA_UDMA_NONE 0x000
-#define VIA_UDMA_33 0x001
-#define VIA_UDMA_66 0x002
-#define VIA_UDMA_100 0x003
-#define VIA_UDMA_133 0x004
-#define VIA_BAD_PREQ 0x010 /* Crashes if PREQ# till DDACK# set */
-#define VIA_BAD_CLK66 0x020 /* 66 MHz clock doesn't work correctly */
-#define VIA_SET_FIFO 0x040 /* Needs to have FIFO split set */
-#define VIA_NO_UNMASK 0x080 /* Doesn't work with IRQ unmasking on */
-#define VIA_BAD_ID 0x100 /* Has wrong vendor ID (0x1107) */
-#define VIA_BAD_AST 0x200 /* Don't touch Address Setup Timing */
+#define VIA_BAD_PREQ 0x01 /* Crashes if PREQ# till DDACK# set */
+#define VIA_BAD_CLK66 0x02 /* 66 MHz clock doesn't work correctly */
+#define VIA_SET_FIFO 0x04 /* Needs to have FIFO split set */
+#define VIA_NO_UNMASK 0x08 /* Doesn't work with IRQ unmasking on */
+#define VIA_BAD_ID 0x10 /* Has wrong vendor ID (0x1107) */
+#define VIA_BAD_AST 0x20 /* Don't touch Address Setup Timing */
/*
* VIA SouthBridge chips.
u16 id;
u8 rev_min;
u8 rev_max;
- u16 flags;
+ u8 udma_mask;
+ u8 flags;
} via_isa_bridges[] = {
- { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt8237a", PCI_DEVICE_ID_VIA_8237A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
- { "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, VIA_UDMA_100 },
- { "vt8233", PCI_DEVICE_ID_VIA_8233_0, 0x00, 0x2f, VIA_UDMA_100 },
- { "vt8231", PCI_DEVICE_ID_VIA_8231, 0x00, 0x2f, VIA_UDMA_100 },
- { "vt82c686b", PCI_DEVICE_ID_VIA_82C686, 0x40, 0x4f, VIA_UDMA_100 },
- { "vt82c686a", PCI_DEVICE_ID_VIA_82C686, 0x10, 0x2f, VIA_UDMA_66 },
- { "vt82c686", PCI_DEVICE_ID_VIA_82C686, 0x00, 0x0f, VIA_UDMA_33 | VIA_BAD_CLK66 },
- { "vt82c596b", PCI_DEVICE_ID_VIA_82C596, 0x10, 0x2f, VIA_UDMA_66 },
- { "vt82c596a", PCI_DEVICE_ID_VIA_82C596, 0x00, 0x0f, VIA_UDMA_33 | VIA_BAD_CLK66 },
- { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x47, 0x4f, VIA_UDMA_33 | VIA_SET_FIFO },
- { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x40, 0x46, VIA_UDMA_33 | VIA_SET_FIFO | VIA_BAD_PREQ },
- { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x30, 0x3f, VIA_UDMA_33 | VIA_SET_FIFO },
- { "vt82c586a", PCI_DEVICE_ID_VIA_82C586_0, 0x20, 0x2f, VIA_UDMA_33 | VIA_SET_FIFO },
- { "vt82c586", PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f, VIA_UDMA_NONE | VIA_SET_FIFO },
- { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK },
- { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID },
+ { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt8237a", PCI_DEVICE_ID_VIA_8237A, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+ { "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, ATA_UDMA5, },
+ { "vt8233", PCI_DEVICE_ID_VIA_8233_0, 0x00, 0x2f, ATA_UDMA5, },
+ { "vt8231", PCI_DEVICE_ID_VIA_8231, 0x00, 0x2f, ATA_UDMA5, },
+ { "vt82c686b", PCI_DEVICE_ID_VIA_82C686, 0x40, 0x4f, ATA_UDMA5, },
+ { "vt82c686a", PCI_DEVICE_ID_VIA_82C686, 0x10, 0x2f, ATA_UDMA4, },
+ { "vt82c686", PCI_DEVICE_ID_VIA_82C686, 0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
+ { "vt82c596b", PCI_DEVICE_ID_VIA_82C596, 0x10, 0x2f, ATA_UDMA4, },
+ { "vt82c596a", PCI_DEVICE_ID_VIA_82C596, 0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
+ { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x47, 0x4f, ATA_UDMA2, VIA_SET_FIFO },
+ { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x40, 0x46, ATA_UDMA2, VIA_SET_FIFO | VIA_BAD_PREQ },
+ { "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x30, 0x3f, ATA_UDMA2, VIA_SET_FIFO },
+ { "vt82c586a", PCI_DEVICE_ID_VIA_82C586_0, 0x20, 0x2f, ATA_UDMA2, VIA_SET_FIFO },
+ { "vt82c586", PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f, 0x00, VIA_SET_FIFO },
+ { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, 0x00, VIA_SET_FIFO | VIA_NO_UNMASK },
+ { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, 0x00, VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID },
{ NULL }
};
static unsigned int via_clock;
-static char *via_dma[] = { "MWDMA16", "UDMA33", "UDMA66", "UDMA100", "UDMA133" };
+static char *via_dma[] = { "16", "25", "33", "44", "66", "100", "133" };
struct via82cxxx_dev
{
static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing)
{
- struct pci_dev *dev = hwif->pci_dev;
- struct via82cxxx_dev *vdev = pci_get_drvdata(hwif->pci_dev);
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
+ struct ide_host *host = pci_get_drvdata(dev);
+ struct via82cxxx_dev *vdev = host->host_priv;
u8 t;
if (~vdev->via_config->flags & VIA_BAD_AST) {
pci_read_config_byte(dev, VIA_ADDRESS_SETUP, &t);
- t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));
+ t = (t & ~(3 << ((3 - dn) << 1))) | ((clamp_val(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));
pci_write_config_byte(dev, VIA_ADDRESS_SETUP, t);
}
pci_write_config_byte(dev, VIA_8BIT_TIMING + (1 - (dn >> 1)),
- ((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1));
+ ((clamp_val(timing->act8b, 1, 16) - 1) << 4) | (clamp_val(timing->rec8b, 1, 16) - 1));
pci_write_config_byte(dev, VIA_DRIVE_TIMING + (3 - dn),
- ((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1));
-
- switch (vdev->via_config->flags & VIA_UDMA) {
- case VIA_UDMA_33: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break;
- case VIA_UDMA_66: t = timing->udma ? (0xe8 | (FIT(timing->udma, 2, 9) - 2)) : 0x0f; break;
- case VIA_UDMA_100: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 9) - 2)) : 0x07; break;
- case VIA_UDMA_133: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 9) - 2)) : 0x07; break;
- default: return;
+ ((clamp_val(timing->active, 1, 16) - 1) << 4) | (clamp_val(timing->recover, 1, 16) - 1));
+
+ switch (vdev->via_config->udma_mask) {
+ case ATA_UDMA2: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 5) - 2)) : 0x03; break;
+ case ATA_UDMA4: t = timing->udma ? (0xe8 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x0f; break;
+ case ATA_UDMA5: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break;
+ case ATA_UDMA6: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break;
+ default: return;
}
pci_write_config_byte(dev, VIA_UDMA_TIMING + (3 - dn), t);
* @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);
+ ide_hwif_t *hwif = drive->hwif;
+ ide_drive_t *peer = hwif->drives + (~drive->dn & 1);
+ struct pci_dev *dev = to_pci_dev(hwif->dev);
+ struct ide_host *host = pci_get_drvdata(dev);
+ struct via82cxxx_dev *vdev = host->host_priv;
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->flags & VIA_UDMA) {
- case VIA_UDMA_33: UT = T; break;
- case VIA_UDMA_66: UT = T/2; break;
- case VIA_UDMA_100: UT = T/3; break;
- case VIA_UDMA_133: UT = T/4; break;
- default: UT = T;
+ switch (vdev->via_config->udma_mask) {
+ case ATA_UDMA2: UT = T; break;
+ case ATA_UDMA4: UT = T/2; break;
+ case ATA_UDMA5: UT = T/3; break;
+ case ATA_UDMA6: UT = T/4; break;
+ default: UT = T;
}
ide_timing_compute(drive, speed, &t, T, UT);
}
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) {
- via_set_drive(drive,
- ide_find_best_mode(drive, XFER_PIO | XFER_EPIO));
- return;
- }
-
- 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)
-{
- ide_hwif_t *hwif = HWIF(drive);
- struct via82cxxx_dev *vdev = pci_get_drvdata(hwif->pci_dev);
- u16 w80 = hwif->udma_four;
-
- u16 speed = ide_find_best_mode(drive,
- XFER_PIO | XFER_EPIO | XFER_SWDMA | XFER_MWDMA |
- (vdev->via_config->flags & VIA_UDMA ? XFER_UDMA : 0) |
- (w80 && (vdev->via_config->flags & VIA_UDMA) >= VIA_UDMA_66 ? XFER_UDMA_66 : 0) |
- (w80 && (vdev->via_config->flags & VIA_UDMA) >= VIA_UDMA_100 ? XFER_UDMA_100 : 0) |
- (w80 && (vdev->via_config->flags & VIA_UDMA) >= VIA_UDMA_133 ? XFER_UDMA_133 : 0));
-
- via_set_drive(drive, speed);
-
- if (drive->autodma && (speed & XFER_MODE) != XFER_PIO)
- return hwif->ide_dma_on(drive);
- return hwif->ide_dma_off_quietly(drive);
+ via_set_drive(drive, XFER_PIO_0 + pio);
}
static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
{
struct via_isa_bridge *via_config;
- u8 t;
for (via_config = via_isa_bridges; via_config->id; via_config++)
if ((*isa = pci_get_device(PCI_VENDOR_ID_VIA +
!!(via_config->flags & VIA_BAD_ID),
via_config->id, NULL))) {
- pci_read_config_byte(*isa, PCI_REVISION_ID, &t);
- if (t >= via_config->rev_min &&
- t <= via_config->rev_max)
+ if ((*isa)->revision >= via_config->rev_min &&
+ (*isa)->revision <= via_config->rev_max)
break;
pci_dev_put(*isa);
}
{
int i;
- switch (vdev->via_config->flags & VIA_UDMA) {
- case VIA_UDMA_66:
+ switch (vdev->via_config->udma_mask) {
+ case ATA_UDMA4:
for (i = 24; i >= 0; i -= 8)
if (((u >> (i & 16)) & 8) &&
((u >> i) & 0x20) &&
}
break;
- case VIA_UDMA_100:
+ case ATA_UDMA5:
for (i = 24; i >= 0; i -= 8)
if (((u >> i) & 0x10) ||
(((u >> i) & 0x20) &&
}
break;
- case VIA_UDMA_133:
+ case ATA_UDMA6:
for (i = 24; i >= 0; i -= 8)
if (((u >> i) & 0x10) ||
(((u >> i) & 0x20) &&
/**
* init_chipset_via82cxxx - initialization handler
* @dev: PCI device
- * @name: Name of interface
*
* The initialization callback. Here we determine the IDE chip type
* and initialize its drive independent registers.
*/
-static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const char *name)
+static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev)
{
- struct pci_dev *isa = NULL;
- struct via82cxxx_dev *vdev;
- struct via_isa_bridge *via_config;
+ struct ide_host *host = pci_get_drvdata(dev);
+ struct via82cxxx_dev *vdev = host->host_priv;
+ struct via_isa_bridge *via_config = vdev->via_config;
u8 t, v;
u32 u;
- vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
- if (!vdev) {
- printk(KERN_ERR "VP_IDE: out of memory :(\n");
- return -ENOMEM;
- }
- pci_set_drvdata(dev, vdev);
-
- /*
- * Find the ISA bridge to see how good the IDE is.
- */
- vdev->via_config = via_config = via_config_find(&isa);
-
- /* We checked this earlier so if it fails here deeep badness
- is involved */
-
- BUG_ON(!via_config->id);
-
/*
* Detect cable and configure Clk66
*/
via_cable_detect(vdev, u);
- if ((via_config->flags & VIA_UDMA) == VIA_UDMA_66) {
+ if (via_config->udma_mask == ATA_UDMA4) {
/* Enable Clk66 */
pci_write_config_dword(dev, VIA_UDMA_TIMING, u|0x80008);
} else if (via_config->flags & VIA_BAD_CLK66) {
pci_write_config_byte(dev, VIA_FIFO_CONFIG, t);
- /*
- * Determine system bus clock.
- */
-
- via_clock = system_bus_clock() * 1000;
+ return 0;
+}
- switch (via_clock) {
- case 33000: via_clock = 33333; break;
- case 37000: via_clock = 37500; break;
- case 41000: via_clock = 41666; break;
- }
+/*
+ * Cable special cases
+ */
- if (via_clock < 20000 || via_clock > 50000) {
- printk(KERN_WARNING "VP_IDE: User given PCI clock speed "
- "impossible (%d), using 33 MHz instead.\n", via_clock);
- printk(KERN_WARNING "VP_IDE: Use ide0=ata66 if you want "
- "to assume 80-wire cable.\n");
- via_clock = 33333;
- }
+static const struct dmi_system_id cable_dmi_table[] = {
+ {
+ .ident = "Acer Ferrari 3400",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Acer,Inc."),
+ DMI_MATCH(DMI_BOARD_NAME, "Ferrari 3400"),
+ },
+ },
+ { }
+};
- /*
- * Print the boot message.
- */
+static int via_cable_override(struct pci_dev *pdev)
+{
+ /* Systems by DMI */
+ if (dmi_check_system(cable_dmi_table))
+ return 1;
- pci_read_config_byte(isa, PCI_REVISION_ID, &t);
- printk(KERN_INFO "VP_IDE: VIA %s (rev %02x) IDE %s "
- "controller on pci%s\n",
- via_config->name, t,
- via_dma[via_config->flags & VIA_UDMA],
- pci_name(dev));
+ /* Arima W730-K8/Targa Visionary 811/... */
+ if (pdev->subsystem_vendor == 0x161F &&
+ pdev->subsystem_device == 0x2032)
+ return 1;
- pci_dev_put(isa);
return 0;
}
-static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
+static u8 __devinit via82cxxx_cable_detect(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;
+ struct pci_dev *pdev = to_pci_dev(hwif->dev);
+ struct ide_host *host = pci_get_drvdata(pdev);
+ struct via82cxxx_dev *vdev = host->host_priv;
+ if (via_cable_override(pdev))
+ return ATA_CBL_PATA40_SHORT;
-#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;
- }
-
- if (!hwif->dma_base)
- return;
-
- hwif->atapi_dma = 1;
- hwif->ultra_mask = 0x7f;
- hwif->mwdma_mask = 0x07;
- hwif->swdma_mask = 0x07;
-
- if (!hwif->udma_four)
- hwif->udma_four = (vdev->via_80w >> hwif->channel) & 1;
- 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;
+ if ((vdev->via_80w >> hwif->channel) & 1)
+ return ATA_CBL_PATA80;
+ else
+ return ATA_CBL_PATA40;
}
-static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = {
- { /* 0 */
- .name = "VP_IDE",
- .init_chipset = init_chipset_via82cxxx,
- .init_hwif = init_hwif_via82cxxx,
- .channels = 2,
- .autodma = NOAUTODMA,
- .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
- .bootable = ON_BOARD
- },{ /* 1 */
- .name = "VP_IDE",
- .init_chipset = init_chipset_via82cxxx,
- .init_hwif = init_hwif_via82cxxx,
- .channels = 2,
- .autodma = AUTODMA,
- .enablebits = {{0x00,0x00,0x00}, {0x00,0x00,0x00}},
- .bootable = ON_BOARD,
- }
+static const struct ide_port_ops via_port_ops = {
+ .set_pio_mode = via_set_pio_mode,
+ .set_dma_mode = via_set_drive,
+ .cable_detect = via82cxxx_cable_detect,
+};
+
+static const struct ide_port_info via82cxxx_chipset __devinitdata = {
+ .name = DRV_NAME,
+ .init_chipset = init_chipset_via82cxxx,
+ .enablebits = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },
+ .port_ops = &via_port_ops,
+ .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST |
+ IDE_HFLAG_POST_SET_MODE |
+ IDE_HFLAG_IO_32BIT,
+ .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;
+ struct via82cxxx_dev *vdev;
+ int rc;
+ u8 idx = id->driver_data;
+ struct ide_port_info d;
+
+ d = via82cxxx_chipset;
+
/*
* Find the ISA bridge and check we know what it is.
*/
via_config = via_config_find(&isa);
- pci_dev_put(isa);
if (!via_config->id) {
- printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n");
+ printk(KERN_WARNING DRV_NAME " %s: unknown chipset, skipping\n",
+ pci_name(dev));
return -ENODEV;
}
- return ide_setup_pci_device(dev, &via82cxxx_chipsets[id->driver_data]);
+
+ /*
+ * Print the boot message.
+ */
+ printk(KERN_INFO DRV_NAME " %s: VIA %s (rev %02x) IDE %sDMA%s\n",
+ pci_name(dev), via_config->name, isa->revision,
+ via_config->udma_mask ? "U" : "MW",
+ via_dma[via_config->udma_mask ?
+ (fls(via_config->udma_mask) - 1) : 0]);
+
+ pci_dev_put(isa);
+
+ /*
+ * Determine system bus clock.
+ */
+ via_clock = (ide_pci_clk ? ide_pci_clk : 33) * 1000;
+
+ switch (via_clock) {
+ case 33000: via_clock = 33333; break;
+ case 37000: via_clock = 37500; break;
+ case 41000: via_clock = 41666; break;
+ }
+
+ if (via_clock < 20000 || via_clock > 50000) {
+ printk(KERN_WARNING DRV_NAME ": User given PCI clock speed "
+ "impossible (%d), using 33 MHz instead.\n", via_clock);
+ printk(KERN_WARNING DRV_NAME ": Use ide0=ata66 if you want "
+ "to assume 80-wire cable.\n");
+ via_clock = 33333;
+ }
+
+ 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;
+
+ vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
+ if (!vdev) {
+ printk(KERN_ERR DRV_NAME " %s: out of memory :(\n",
+ pci_name(dev));
+ return -ENOMEM;
+ }
+
+ vdev->via_config = via_config;
+
+ rc = ide_pci_init_one(dev, &d, vdev);
+ if (rc)
+ kfree(vdev);
+
+ return rc;
}
-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 void __devexit via_remove(struct pci_dev *dev)
+{
+ struct ide_host *host = pci_get_drvdata(dev);
+ struct via82cxxx_dev *vdev = host->host_priv;
+
+ ide_pci_remove(dev);
+ kfree(vdev);
+}
+
+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_CX700_IDE), 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);
.name = "VIA_IDE",
.id_table = via_pci_tbl,
.probe = via_init_one,
+ .remove = via_remove,
};
static int __init via_ide_init(void)
return ide_pci_register_driver(&driver);
}
+static void __exit via_ide_exit(void)
+{
+ pci_unregister_driver(&driver);
+}
+
module_init(via_ide_init);
+module_exit(via_ide_exit);
MODULE_AUTHOR("Vojtech Pavlik, Michel Aubry, Jeff Garzik, Andre Hedrick");
MODULE_DESCRIPTION("PCI driver module for VIA IDE");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff