/*
- * linux/drivers/ide/pci/aec62xx.c Version 0.11 March 27, 2002
+ * linux/drivers/ide/pci/aec62xx.c Version 0.24 May 24, 2007
*
* Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org>
+ * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
*
*/
return chipset_table->ultra_settings;
}
-static u8 aec62xx_ratemask (ide_drive_t *drive)
-{
- ide_hwif_t *hwif = HWIF(drive);
- u8 mode;
-
- switch(hwif->pci_dev->device) {
- case PCI_DEVICE_ID_ARTOP_ATP865:
- case PCI_DEVICE_ID_ARTOP_ATP865R:
- mode = (inb(hwif->channel ?
- hwif->mate->dma_status :
- hwif->dma_status) & 0x10) ? 4 : 3;
- break;
- case PCI_DEVICE_ID_ARTOP_ATP860:
- case PCI_DEVICE_ID_ARTOP_ATP860R:
- mode = 2;
- break;
- case PCI_DEVICE_ID_ARTOP_ATP850UF:
- default:
- return 1;
- }
-
- if (!eighty_ninty_three(drive))
- mode = min(mode, (u8)1);
- return mode;
-}
-
static int aec6210_tune_chipset (ide_drive_t *drive, u8 xferspeed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u16 d_conf = 0;
- u8 speed = ide_rate_filter(aec62xx_ratemask(drive), xferspeed);
+ u8 speed = ide_rate_filter(drive, xferspeed);
u8 ultra = 0, ultra_conf = 0;
u8 tmp0 = 0, tmp1 = 0, tmp2 = 0;
unsigned long flags;
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
- u8 speed = ide_rate_filter(aec62xx_ratemask(drive), xferspeed);
+ u8 speed = ide_rate_filter(drive, xferspeed);
u8 unit = (drive->select.b.unit & 0x01);
u8 tmp1 = 0, tmp2 = 0;
u8 ultra = 0, drive_conf = 0, ultra_conf = 0;
return(ide_config_drive_speed(drive, speed));
}
-static int aec62xx_tune_chipset (ide_drive_t *drive, u8 speed)
-{
- switch (HWIF(drive)->pci_dev->device) {
- case PCI_DEVICE_ID_ARTOP_ATP865:
- case PCI_DEVICE_ID_ARTOP_ATP865R:
- case PCI_DEVICE_ID_ARTOP_ATP860:
- case PCI_DEVICE_ID_ARTOP_ATP860R:
- return ((int) aec6260_tune_chipset(drive, speed));
- case PCI_DEVICE_ID_ARTOP_ATP850UF:
- return ((int) aec6210_tune_chipset(drive, speed));
- default:
- return -1;
- }
-}
-
-static int config_chipset_for_dma (ide_drive_t *drive)
-{
- u8 speed = ide_dma_speed(drive, aec62xx_ratemask(drive));
-
- if (!(speed))
- return 0;
-
- (void) aec62xx_tune_chipset(drive, speed);
- return ide_dma_enable(drive);
-}
-
static void aec62xx_tune_drive (ide_drive_t *drive, u8 pio)
{
- u8 speed = 0;
- u8 new_pio = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 5, NULL);
-
- switch(pio) {
- case 5: speed = new_pio; break;
- 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 = XFER_PIO_0; break;
- }
- (void) aec62xx_tune_chipset(drive, speed);
+ pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
+ (void) HWIF(drive)->speedproc(drive, pio + XFER_PIO_0);
}
static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive)
{
- if (ide_use_dma(drive) && config_chipset_for_dma(drive))
+ if (ide_tune_dma(drive))
return 0;
if (ide_use_fast_pio(drive))
- aec62xx_tune_drive(drive, 5);
+ aec62xx_tune_drive(drive, 255);
return -1;
}
-static int aec62xx_irq_timeout (ide_drive_t *drive)
+static void aec62xx_dma_lost_irq (ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = hwif->pci_dev;
-
- switch(dev->device) {
+ switch (HWIF(drive)->pci_dev->device) {
case PCI_DEVICE_ID_ARTOP_ATP860:
case PCI_DEVICE_ID_ARTOP_ATP860R:
case PCI_DEVICE_ID_ARTOP_ATP865:
default:
break;
}
- return 0;
}
static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name)
static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
{
- hwif->autodma = 0;
- hwif->tuneproc = &aec62xx_tune_drive;
- hwif->speedproc = &aec62xx_tune_chipset;
+ struct pci_dev *dev = hwif->pci_dev;
+ u8 reg54 = 0, mask = hwif->channel ? 0xf0 : 0x0f;
+ unsigned long flags;
- if (hwif->pci_dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
- hwif->serialized = hwif->channel;
+ hwif->tuneproc = &aec62xx_tune_drive;
- if (hwif->mate)
- hwif->mate->serialized = hwif->serialized;
+ if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) {
+ if(hwif->mate)
+ hwif->mate->serialized = hwif->serialized = 1;
+ hwif->speedproc = &aec6210_tune_chipset;
+ } else
+ hwif->speedproc = &aec6260_tune_chipset;
if (!hwif->dma_base) {
- hwif->drives[0].autotune = 1;
- hwif->drives[1].autotune = 1;
+ hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
return;
}
- hwif->ultra_mask = 0x7f;
+ hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
- hwif->swdma_mask = 0x07;
hwif->ide_dma_check = &aec62xx_config_drive_xfer_rate;
- hwif->ide_dma_lostirq = &aec62xx_irq_timeout;
- hwif->ide_dma_timeout = &aec62xx_irq_timeout;
- if (!noautodma)
- hwif->autodma = 1;
- hwif->drives[0].autodma = hwif->autodma;
- hwif->drives[1].autodma = hwif->autodma;
-}
-
-static void __devinit init_dma_aec62xx(ide_hwif_t *hwif, unsigned long dmabase)
-{
- struct pci_dev *dev = hwif->pci_dev;
+ hwif->dma_lost_irq = &aec62xx_dma_lost_irq;
if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) {
- u8 reg54h = 0;
- unsigned long flags;
-
spin_lock_irqsave(&ide_lock, flags);
- pci_read_config_byte(dev, 0x54, ®54h);
- pci_write_config_byte(dev, 0x54, reg54h & ~(hwif->channel ? 0xF0 : 0x0F));
+ pci_read_config_byte (dev, 0x54, ®54);
+ pci_write_config_byte(dev, 0x54, (reg54 & ~mask));
spin_unlock_irqrestore(&ide_lock, flags);
- } else {
- u8 ata66 = 0;
+ } else if (!hwif->udma_four) {
+ u8 ata66 = 0, mask = hwif->channel ? 0x02 : 0x01;
+
pci_read_config_byte(hwif->pci_dev, 0x49, &ata66);
- if (!(hwif->udma_four))
- hwif->udma_four = (ata66&(hwif->channel?0x02:0x01))?0:1;
+ hwif->udma_four = (ata66 & mask) ? 0 : 1;
}
- ide_setup_dma(hwif, dmabase, 8);
+ if (!noautodma)
+ hwif->autodma = 1;
+ hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
}
static int __devinit init_setup_aec62xx(struct pci_dev *dev, ide_pci_device_t *d)
static int __devinit init_setup_aec6x80(struct pci_dev *dev, ide_pci_device_t *d)
{
- unsigned long bar4reg = pci_resource_start(dev, 4);
-
- if (inb(bar4reg+2) & 0x10) {
- strcpy(d->name, "AEC6880");
- if (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R)
- strcpy(d->name, "AEC6880R");
- } else {
- strcpy(d->name, "AEC6280");
- if (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R)
- strcpy(d->name, "AEC6280R");
+ unsigned long dma_base = pci_resource_start(dev, 4);
+
+ if (inb(dma_base + 2) & 0x10) {
+ d->name = (dev->device == PCI_DEVICE_ID_ARTOP_ATP865R) ?
+ "AEC6880R" : "AEC6880";
+ d->udma_mask = 0x7f; /* udma0-6 */
}
return ide_setup_pci_device(dev, d);
.init_setup = init_setup_aec62xx,
.init_chipset = init_chipset_aec62xx,
.init_hwif = init_hwif_aec62xx,
- .init_dma = init_dma_aec62xx,
.channels = 2,
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
+ .udma_mask = 0x07, /* udma0-2 */
},{ /* 1 */
.name = "AEC6260",
.init_setup = init_setup_aec62xx,
.init_chipset = init_chipset_aec62xx,
.init_hwif = init_hwif_aec62xx,
- .init_dma = init_dma_aec62xx,
.channels = 2,
.autodma = NOAUTODMA,
.bootable = OFF_BOARD,
+ .udma_mask = 0x1f, /* udma0-4 */
},{ /* 2 */
.name = "AEC6260R",
.init_setup = init_setup_aec62xx,
.init_chipset = init_chipset_aec62xx,
.init_hwif = init_hwif_aec62xx,
- .init_dma = init_dma_aec62xx,
.channels = 2,
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = NEVER_BOARD,
+ .udma_mask = 0x1f, /* udma0-4 */
},{ /* 3 */
- .name = "AEC6X80",
+ .name = "AEC6280",
.init_setup = init_setup_aec6x80,
.init_chipset = init_chipset_aec62xx,
.init_hwif = init_hwif_aec62xx,
- .init_dma = init_dma_aec62xx,
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
+ .udma_mask = 0x3f, /* udma0-5 */
},{ /* 4 */
- .name = "AEC6X80R",
+ .name = "AEC6280R",
.init_setup = init_setup_aec6x80,
.init_chipset = init_chipset_aec62xx,
.init_hwif = init_hwif_aec62xx,
- .init_dma = init_dma_aec62xx,
.channels = 2,
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
+ .udma_mask = 0x3f, /* udma0-5 */
}
};
*
* Called when the PCI registration layer (or the IDE initialization)
* finds a device matching our IDE device tables.
+ *
+ * NOTE: since we're going to modify the 'name' field for AEC-6[26]80[R]
+ * chips, pass a local copy of 'struct pci_device_id' down the call chain.
*/
static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- ide_pci_device_t *d = &aec62xx_chipsets[id->driver_data];
+ ide_pci_device_t d = aec62xx_chipsets[id->driver_data];
- return d->init_setup(dev, d);
+ return d.init_setup(dev, &d);
}
static struct pci_device_id aec62xx_pci_tbl[] = {
projects / linux-2.6-omap-h63xx.git / blobdiff