/*
- * linux/drivers/ide/pci/sc1200.c Version 0.95 Jun 16 2007
+ * linux/drivers/ide/pci/sc1200.c Version 0.97 Aug 3 2007
*
* Copyright (C) 2000-2002 Mark Lord <mlord@pobox.com>
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz
return pci_clock;
}
-extern char *ide_xfer_verbose (byte xfer_rate);
-
-/*
- * Set a new transfer mode at the drive
- */
-static int sc1200_set_xfer_mode (ide_drive_t *drive, byte mode)
-{
- printk("%s: sc1200_set_xfer_mode(%s)\n", drive->name, ide_xfer_verbose(mode));
- return ide_config_drive_speed(drive, mode);
-}
-
/*
* Here are the standard PIO mode 0-4 timings for each "format".
* Format-0 uses fast data reg timings, with slower command reg timings.
return mask;
}
-static int sc1200_tune_chipset(ide_drive_t *drive, u8 mode)
+static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode)
{
ide_hwif_t *hwif = HWIF(drive);
int unit = drive->select.b.unit;
unsigned short pci_clock;
unsigned int basereg = hwif->channel ? 0x50 : 0x40;
- mode = ide_rate_filter(drive, mode);
-
- /*
- * Tell the drive to switch to the new mode; abort on failure.
- */
- if (sc1200_set_xfer_mode(drive, mode)) {
- printk("SC1200: set xfer mode failure\n");
- return 1; /* failure */
- }
-
- switch (mode) {
- case XFER_PIO_4:
- case XFER_PIO_3:
- case XFER_PIO_2:
- case XFER_PIO_1:
- case XFER_PIO_0:
- sc1200_tunepio(drive, mode - XFER_PIO_0);
- return 0;
- }
-
pci_clock = sc1200_get_pci_clock();
/*
- * Now tune the chipset to match the drive:
- *
* Note that each DMA mode has several timings associated with it.
* The correct timing depends on the fast PCI clock freq.
*/
} else {
pci_write_config_dword(hwif->pci_dev, basereg+12, timings);
}
-
- return 0; /* success */
}
-/*
- * sc1200_config_dma() handles selection/setting of DMA/UDMA modes
- * for both the chipset and drive.
- */
-static int sc1200_config_dma (ide_drive_t *drive)
-{
- if (ide_tune_dma(drive))
- return 0;
-
- return 1;
-}
-
-
/* Replacement for the standard ide_dma_end action in
* dma_proc.
*
}
/*
- * sc1200_tuneproc() handles selection/setting of PIO modes
+ * sc1200_set_pio_mode() handles setting of PIO modes
* for both the chipset and drive.
*
* All existing BIOSs for this chipset guarantee that all drives
* will have valid default PIO timings set up before we get here.
*/
-static void sc1200_tuneproc (ide_drive_t *drive, byte pio) /* mode=255 means "autotune" */
+
+static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
ide_hwif_t *hwif = HWIF(drive);
int mode = -1;
/*
- * bad abuse of ->tuneproc interface
+ * bad abuse of ->set_pio_mode interface
*/
switch (pio) {
case 200: mode = XFER_UDMA_0; break;
if (mode != -1) {
printk("SC1200: %s: changing (U)DMA mode\n", drive->name);
hwif->dma_off_quietly(drive);
- if (sc1200_tune_chipset(drive, mode) == 0)
+ if (ide_set_dma_mode(drive, mode) == 0)
hwif->dma_host_on(drive);
return;
}
- pio = ide_get_best_pio_mode(drive, pio, 4);
- printk("SC1200: %s: setting PIO mode%d\n", drive->name, pio);
-
- if (sc1200_set_xfer_mode(drive, XFER_PIO_0 + pio) == 0)
- sc1200_tunepio(drive, pio);
+ sc1200_tunepio(drive, pio);
}
#ifdef CONFIG_PM
pci_disable_device(dev);
pci_set_power_state(dev, pci_choose_state(dev, state));
- dev->current_state = state.event;
return 0;
}
static int sc1200_resume (struct pci_dev *dev)
{
ide_hwif_t *hwif = NULL;
+ int i;
+
+ i = pci_enable_device(dev);
+ if (i)
+ return i;
- pci_set_power_state(dev, PCI_D0); // bring chip back from sleep state
- dev->current_state = PM_EVENT_ON;
- pci_enable_device(dev);
//
// loop over all interfaces that are part of this pci device:
//
*/
static void __devinit init_hwif_sc1200 (ide_hwif_t *hwif)
{
- if (hwif->mate)
- hwif->serialized = hwif->mate->serialized = 1;
- hwif->autodma = 0;
- if (hwif->dma_base) {
- hwif->udma_filter = sc1200_udma_filter;
- hwif->ide_dma_check = &sc1200_config_dma;
- hwif->ide_dma_end = &sc1200_ide_dma_end;
- if (!noautodma)
- hwif->autodma = 1;
- hwif->tuneproc = &sc1200_tuneproc;
- hwif->speedproc = &sc1200_tune_chipset;
- }
- hwif->atapi_dma = 1;
- hwif->ultra_mask = 0x07;
- hwif->mwdma_mask = 0x07;
+ hwif->set_pio_mode = &sc1200_set_pio_mode;
+ hwif->set_dma_mode = &sc1200_set_dma_mode;
+
+ if (hwif->dma_base == 0)
+ return;
- hwif->drives[0].autodma = hwif->autodma;
- hwif->drives[1].autodma = hwif->autodma;
+ hwif->udma_filter = sc1200_udma_filter;
+ hwif->ide_dma_end = &sc1200_ide_dma_end;
}
-static ide_pci_device_t sc1200_chipset __devinitdata = {
+static const struct ide_port_info sc1200_chipset __devinitdata = {
.name = "SC1200",
.init_hwif = init_hwif_sc1200,
- .autodma = AUTODMA,
- .bootable = ON_BOARD,
+ .host_flags = IDE_HFLAG_SERIALIZE |
+ IDE_HFLAG_POST_SET_MODE |
+ IDE_HFLAG_ABUSE_DMA_MODES |
+ IDE_HFLAG_BOOTABLE,
.pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA2,
};
static int __devinit sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
return ide_setup_pci_device(dev, &sc1200_chipset);
}
-static struct pci_device_id sc1200_pci_tbl[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SCx200_IDE), 0},
+static const struct pci_device_id sc1200_pci_tbl[] = {
+ { PCI_VDEVICE(NS, PCI_DEVICE_ID_NS_SCx200_IDE), 0},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, sc1200_pci_tbl);
git.samba.org / sfrench / cifs-2.6.git / blobdiff