* linux/drivers/ide/pci/pdc202xx_old.c Version 0.36 Sept 11, 2002
*
* Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>
+ * Copyright (C) 2006-2007 MontaVista Software, Inc.
*
* Promise Ultra33 cards with BIOS v1.20 through 1.28 will need this
* compiled into the kernel if you have more than one card installed.
return mode;
}
-static int check_in_drive_lists (ide_drive_t *drive, const char **list)
-{
- struct hd_driveid *id = drive->id;
-
- if (pdc_quirk_drives == list) {
- while (*list) {
- if (strstr(id->model, *list++)) {
- return 2;
- }
- }
- } else {
- while (*list) {
- if (!strcmp(*list++,id->model)) {
- return 1;
- }
- }
- }
- return 0;
-}
-
static int pdc202xx_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
ide_hwif_t *hwif = HWIF(drive);
u8 AP, BP, CP, DP;
u8 TA = 0, TB = 0, TC = 0;
- if ((drive->media != ide_disk) && (speed < XFER_SW_DMA_0))
+ if (drive->media != ide_disk &&
+ drive->media != ide_cdrom && speed < XFER_SW_DMA_0)
return -1;
pci_read_config_dword(dev, drive_pci, &drive_conf);
}
-/* 0 1 2 3 4 5 6 7 8
- * 960, 480, 390, 300, 240, 180, 120, 90, 60
- * 180, 150, 120, 90, 60
- * DMA_Speed
- * 180, 120, 90, 90, 90, 60, 30
- * 11, 5, 4, 3, 2, 1, 0
- */
-static void config_chipset_for_pio (ide_drive_t *drive, u8 pio)
+static void pdc202xx_tune_drive(ide_drive_t *drive, u8 pio)
{
- u8 speed = 0;
-
- if (pio == 5) pio = 4;
- speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, pio, NULL);
-
- pdc202xx_tune_chipset(drive, speed);
+ pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
+ pdc202xx_tune_chipset(drive, XFER_PIO_0 + pio);
}
static u8 pdc202xx_old_cable_detect (ide_hwif_t *hwif)
static void pdc_old_enable_66MHz_clock(ide_hwif_t *hwif)
{
unsigned long clock_reg = hwif->dma_master + 0x11;
- u8 clock = hwif->INB(clock_reg);
+ u8 clock = inb(clock_reg);
- hwif->OUTB(clock | (hwif->channel ? 0x08 : 0x02), clock_reg);
+ outb(clock | (hwif->channel ? 0x08 : 0x02), clock_reg);
}
static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif)
{
unsigned long clock_reg = hwif->dma_master + 0x11;
- u8 clock = hwif->INB(clock_reg);
+ u8 clock = inb(clock_reg);
- hwif->OUTB(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg);
+ outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg);
}
static int config_chipset_for_dma (ide_drive_t *drive)
chipset_is_set:
- if (drive->media == ide_disk) {
- pci_read_config_byte(dev, (drive_pci), &AP);
- if (id->capability & 4) /* IORDY_EN */
- pci_write_config_byte(dev, (drive_pci), AP|IORDY_EN);
- pci_read_config_byte(dev, (drive_pci), &AP);
- if (drive->media == ide_disk) /* PREFETCH_EN */
- pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN);
- }
+ pci_read_config_byte(dev, (drive_pci), &AP);
+ if (id->capability & 4) /* IORDY_EN */
+ pci_write_config_byte(dev, (drive_pci), AP|IORDY_EN);
+ pci_read_config_byte(dev, (drive_pci), &AP);
+ if (drive->media == ide_disk) /* PREFETCH_EN */
+ pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN);
speed = ide_dma_speed(drive, pdc202xx_ratemask(drive));
static int pdc202xx_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 && (id->capability & 1) && drive->autodma) {
-
- if (ide_use_dma(drive)) {
- if (config_chipset_for_dma(drive))
- return hwif->ide_dma_on(drive);
- }
+ if (ide_use_dma(drive) && config_chipset_for_dma(drive))
+ return 0;
- goto fast_ata_pio;
+ if (ide_use_fast_pio(drive))
+ pdc202xx_tune_drive(drive, 255);
- } else if ((id->capability & 8) || (id->field_valid & 2)) {
-fast_ata_pio:
- hwif->tuneproc(drive, 5);
- return hwif->ide_dma_off_quietly(drive);
- }
- /* IORDY not supported */
- return 0;
+ return -1;
}
static int pdc202xx_quirkproc (ide_drive_t *drive)
{
- return ((int) check_in_drive_lists(drive, pdc_quirk_drives));
+ const char **list, *model = drive->id->model;
+
+ for (list = pdc_quirk_drives; *list != NULL; list++)
+ if (strstr(model, *list) != NULL)
+ return 2;
+ return 0;
}
static void pdc202xx_old_ide_dma_start(ide_drive_t *drive)
{
if (drive->current_speed > XFER_UDMA_2)
pdc_old_enable_66MHz_clock(drive->hwif);
- if (drive->addressing == 1) {
+ if (drive->media != ide_disk || drive->addressing == 1) {
struct request *rq = HWGROUP(drive)->rq;
ide_hwif_t *hwif = HWIF(drive);
unsigned long high_16 = hwif->dma_master;
unsigned long atapi_reg = high_16 + (hwif->channel ? 0x24 : 0x20);
u32 word_count = 0;
- u8 clock = hwif->INB(high_16 + 0x11);
+ u8 clock = inb(high_16 + 0x11);
- hwif->OUTB(clock|(hwif->channel ? 0x08 : 0x02), high_16+0x11);
+ outb(clock | (hwif->channel ? 0x08 : 0x02), high_16 + 0x11);
word_count = (rq->nr_sectors << 8);
word_count = (rq_data_dir(rq) == READ) ?
word_count | 0x05000000 :
word_count | 0x06000000;
- hwif->OUTL(word_count, atapi_reg);
+ outl(word_count, atapi_reg);
}
ide_dma_start(drive);
}
static int pdc202xx_old_ide_dma_end(ide_drive_t *drive)
{
- if (drive->addressing == 1) {
+ if (drive->media != ide_disk || drive->addressing == 1) {
ide_hwif_t *hwif = HWIF(drive);
unsigned long high_16 = hwif->dma_master;
unsigned long atapi_reg = high_16 + (hwif->channel ? 0x24 : 0x20);
u8 clock = 0;
- hwif->OUTL(0, atapi_reg); /* zero out extra */
- clock = hwif->INB(high_16 + 0x11);
- hwif->OUTB(clock & ~(hwif->channel ? 0x08:0x02), high_16+0x11);
+ outl(0, atapi_reg); /* zero out extra */
+ clock = inb(high_16 + 0x11);
+ outb(clock & ~(hwif->channel ? 0x08:0x02), high_16 + 0x11);
}
if (drive->current_speed > XFER_UDMA_2)
pdc_old_disable_66MHz_clock(drive->hwif);
{
ide_hwif_t *hwif = HWIF(drive);
unsigned long high_16 = hwif->dma_master;
- u8 dma_stat = hwif->INB(hwif->dma_status);
- u8 sc1d = hwif->INB((high_16 + 0x001d));
+ u8 dma_stat = inb(hwif->dma_status);
+ u8 sc1d = inb(high_16 + 0x001d);
if (hwif->channel) {
/* bit7: Error, bit6: Interrupting, bit5: FIFO Full, bit4: FIFO Empty */
static void pdc202xx_reset_host (ide_hwif_t *hwif)
{
unsigned long high_16 = hwif->dma_master;
- u8 udma_speed_flag = hwif->INB(high_16|0x001f);
+ u8 udma_speed_flag = inb(high_16 | 0x001f);
- hwif->OUTB((udma_speed_flag | 0x10), (high_16|0x001f));
+ outb(udma_speed_flag | 0x10, high_16 | 0x001f);
mdelay(100);
- hwif->OUTB((udma_speed_flag & ~0x10), (high_16|0x001f));
+ outb(udma_speed_flag & ~0x10, high_16 | 0x001f);
mdelay(2000); /* 2 seconds ?! */
printk(KERN_WARNING "PDC202XX: %s channel reset.\n",
pdc202xx_reset_host(hwif);
pdc202xx_reset_host(mate);
- hwif->tuneproc(drive, 5);
+ pdc202xx_tune_drive(drive, 255);
}
static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev,
hwif->rqsize = 256;
hwif->autodma = 0;
- hwif->tuneproc = &config_chipset_for_pio;
+ hwif->tuneproc = &pdc202xx_tune_drive;
hwif->quirkproc = &pdc202xx_quirkproc;
if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246)
hwif->ultra_mask = 0x3f;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
+ hwif->atapi_dma = 1;
hwif->err_stops_fifo = 1;
return;
}
- udma_speed_flag = hwif->INB((dmabase|0x1f));
- primary_mode = hwif->INB((dmabase|0x1a));
- secondary_mode = hwif->INB((dmabase|0x1b));
+ udma_speed_flag = inb(dmabase | 0x1f);
+ primary_mode = inb(dmabase | 0x1a);
+ secondary_mode = inb(dmabase | 0x1b);
printk(KERN_INFO "%s: (U)DMA Burst Bit %sABLED " \
"Primary %s Mode " \
"Secondary %s Mode.\n", hwif->cds->name,
printk(KERN_INFO "%s: FORCING BURST BIT 0x%02x->0x%02x ",
hwif->cds->name, udma_speed_flag,
(udma_speed_flag|1));
- hwif->OUTB(udma_speed_flag|1,(dmabase|0x1f));
- printk("%sACTIVE\n",
- (hwif->INB(dmabase|0x1f)&1) ? "":"IN");
+ outb(udma_speed_flag | 1, dmabase | 0x1f);
+ printk("%sACTIVE\n", (inb(dmabase | 0x1f) & 1) ? "" : "IN");
}
#endif /* CONFIG_PDC202XX_BURST */
-#ifdef CONFIG_PDC202XX_MASTER
- if (!(primary_mode & 1)) {
- printk(KERN_INFO "%s: FORCING PRIMARY MODE BIT "
- "0x%02x -> 0x%02x ", hwif->cds->name,
- primary_mode, (primary_mode|1));
- hwif->OUTB(primary_mode|1, (dmabase|0x1a));
- printk("%s\n",
- (hwif->INB((dmabase|0x1a)) & 1) ? "MASTER" : "PCI");
- }
-
- if (!(secondary_mode & 1)) {
- printk(KERN_INFO "%s: FORCING SECONDARY MODE BIT "
- "0x%02x -> 0x%02x ", hwif->cds->name,
- secondary_mode, (secondary_mode|1));
- hwif->OUTB(secondary_mode|1, (dmabase|0x1b));
- printk("%s\n",
- (hwif->INB((dmabase|0x1b)) & 1) ? "MASTER" : "PCI");
- }
-#endif /* CONFIG_PDC202XX_MASTER */
ide_setup_dma(hwif, dmabase, 8);
}
.probe = pdc202xx_init_one,
};
-static int pdc202xx_ide_init(void)
+static int __init pdc202xx_ide_init(void)
{
return ide_pci_register_driver(&driver);
}
git.openpandora.org / pandora-kernel.git / blobdiff