*
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/kernel.h>
static int save_mdma_mode[4];
-#define DISPLAY_ATIIXP_TIMINGS
-
-#if defined(DISPLAY_ATIIXP_TIMINGS) && defined(CONFIG_PROC_FS)
-
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-
-static u8 atiixp_proc;
-static struct pci_dev *bmide_dev;
-
-/**
- * atiixp_get_info - fill in /proc for ATIIXP IDE
- * @buffer: buffer to fill
- * @addr: address of user start in buffer
- * @offset: offset into 'file'
- * @count: buffer count
- *
- * Output summary data on the tuning.
- */
-
-static int atiixp_get_info(char *buffer, char **addr, off_t offset, int count)
-{
- char *p = buffer;
- struct pci_dev *dev = bmide_dev;
- unsigned long bibma = pci_resource_start(dev, 4);
- u32 mdma_timing = 0;
- u16 udma_mode = 0, pio_mode = 0;
- u8 c0, c1, udma_control = 0;
-
- p += sprintf(p, "\n ATI ");
- p += sprintf(p, "ATIIXP Ultra100 IDE Chipset.\n");
-
- pci_read_config_byte(dev, ATIIXP_IDE_UDMA_CONTROL, &udma_control);
- pci_read_config_word(dev, ATIIXP_IDE_UDMA_MODE, &udma_mode);
- pci_read_config_word(dev, ATIIXP_IDE_PIO_MODE, &pio_mode);
- pci_read_config_dword(dev, ATIIXP_IDE_MDMA_TIMING, &mdma_timing);
-
- /*
- * at that point bibma+0x2 et bibma+0xa are byte registers
- * to investigate:
- */
- c0 = inb(bibma + 0x02);
- c1 = inb(bibma + 0x0a);
-
- p += sprintf(p, "--------------- Primary Channel "
- "---------------- Secondary Channel "
- "-------------\n");
- p += sprintf(p, " %sabled "
- " %sabled\n",
- (c0 & 0x80) ? "dis" : " en",
- (c1 & 0x80) ? "dis" : " en");
- p += sprintf(p, "--------------- drive0 --------- drive1 "
- "-------- drive0 ---------- drive1 ------\n");
- p += sprintf(p, "DMA enabled: %s %s "
- " %s %s\n",
- (c0 & 0x20) ? "yes" : "no ",
- (c0 & 0x40) ? "yes" : "no ",
- (c1 & 0x20) ? "yes" : "no ",
- (c1 & 0x40) ? "yes" : "no " );
- p += sprintf(p, "UDMA enabled: %s %s "
- " %s %s\n",
- (udma_control & 0x01) ? "yes" : "no ",
- (udma_control & 0x02) ? "yes" : "no ",
- (udma_control & 0x04) ? "yes" : "no ",
- (udma_control & 0x08) ? "yes" : "no " );
- p += sprintf(p, "UDMA mode: %c %c "
- " %c %c\n",
- (udma_control & 0x01) ?
- ((udma_mode & 0x07) + 48) : 'X',
- (udma_control & 0x02) ?
- (((udma_mode >> 4) & 0x07) + 48) : 'X',
- (udma_control & 0x04) ?
- (((udma_mode >> 8) & 0x07) + 48) : 'X',
- (udma_control & 0x08) ?
- (((udma_mode >> 12) & 0x07) + 48) : 'X');
- p += sprintf(p, "MDMA mode: %c %c "
- " %c %c\n",
- (save_mdma_mode[0] && (c0 & 0x20)) ?
- ((save_mdma_mode[0] & 0xf) + 48) : 'X',
- (save_mdma_mode[1] && (c0 & 0x40)) ?
- ((save_mdma_mode[1] & 0xf) + 48) : 'X',
- (save_mdma_mode[2] && (c1 & 0x20)) ?
- ((save_mdma_mode[2] & 0xf) + 48) : 'X',
- (save_mdma_mode[3] && (c1 & 0x40)) ?
- ((save_mdma_mode[3] & 0xf) + 48) : 'X');
- p += sprintf(p, "PIO mode: %c %c "
- " %c %c\n",
- (c0 & 0x20) ? 'X' : ((pio_mode & 0x07) + 48),
- (c0 & 0x40) ? 'X' : (((pio_mode >> 4) & 0x07) + 48),
- (c1 & 0x20) ? 'X' : (((pio_mode >> 8) & 0x07) + 48),
- (c1 & 0x40) ? 'X' : (((pio_mode >> 12) & 0x07) + 48));
-
- return p - buffer; /* => must be less than 4k! */
-}
-#endif /* defined(DISPLAY_ATIIXP_TIMINGS) && defined(CONFIG_PROC_FS) */
+static DEFINE_SPINLOCK(atiixp_lock);
/**
* atiixp_ratemask - compute rate mask for ATIIXP IDE
unsigned long flags;
u16 tmp16;
- spin_lock_irqsave(&ide_lock, flags);
+ spin_lock_irqsave(&atiixp_lock, flags);
pci_read_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, &tmp16);
if (save_mdma_mode[drive->dn])
tmp16 |= (1 << drive->dn);
pci_write_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, tmp16);
- spin_unlock_irqrestore(&ide_lock, flags);
+ spin_unlock_irqrestore(&atiixp_lock, flags);
return __ide_dma_host_on(drive);
}
unsigned long flags;
u16 tmp16;
- spin_lock_irqsave(&ide_lock, flags);
+ spin_lock_irqsave(&atiixp_lock, flags);
pci_read_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, &tmp16);
tmp16 &= ~(1 << drive->dn);
pci_write_config_word(dev, ATIIXP_IDE_UDMA_CONTROL, tmp16);
- spin_unlock_irqrestore(&ide_lock, flags);
+ spin_unlock_irqrestore(&atiixp_lock, flags);
return __ide_dma_host_off(drive);
}
u32 pio_timing_data;
u16 pio_mode_data;
- spin_lock_irqsave(&ide_lock, flags);
+ spin_lock_irqsave(&atiixp_lock, flags);
pci_read_config_word(dev, ATIIXP_IDE_PIO_MODE, &pio_mode_data);
pio_mode_data &= ~(0x07 << (drive->dn * 4));
(pio_timing[pio].command_width << (timing_shift + 4));
pci_write_config_dword(dev, ATIIXP_IDE_PIO_TIMING, pio_timing_data);
- spin_unlock_irqrestore(&ide_lock, flags);
+ spin_unlock_irqrestore(&atiixp_lock, flags);
}
/**
speed = ide_rate_filter(atiixp_ratemask(drive), xferspeed);
- spin_lock_irqsave(&ide_lock, flags);
+ spin_lock_irqsave(&atiixp_lock, flags);
save_mdma_mode[drive->dn] = 0;
if (speed >= XFER_UDMA_0) {
}
}
- spin_unlock_irqrestore(&ide_lock, flags);
+ spin_unlock_irqrestore(&atiixp_lock, flags);
if (speed >= XFER_SW_DMA_0)
pio = atiixp_dma_2_pio(speed);
drive->init_speed = 0;
if ((id->capability & 1) && drive->autodma) {
- /* Consult the list of known "bad" drives */
- if (__ide_dma_bad_drive(drive))
- goto fast_ata_pio;
- if (id->field_valid & 4) {
- if (id->dma_ultra & hwif->ultra_mask) {
- /* Force if Capable UltraDMA */
- if ((id->field_valid & 2) &&
- (!atiixp_config_drive_for_dma(drive)))
- goto try_dma_modes;
- }
- } else if (id->field_valid & 2) {
-try_dma_modes:
- if ((id->dma_mword & hwif->mwdma_mask) ||
- (id->dma_1word & hwif->swdma_mask)) {
- /* Force if Capable regular DMA modes */
- if (!atiixp_config_drive_for_dma(drive))
- goto no_dma_set;
- }
- } else if (__ide_dma_good_drive(drive) &&
- (id->eide_dma_time < 150)) {
- /* Consult the list of known "good" drives */
- if (!atiixp_config_drive_for_dma(drive))
- goto no_dma_set;
- } else {
- goto fast_ata_pio;
+
+ if (ide_use_dma(drive)) {
+ if (atiixp_config_drive_for_dma(drive))
+ return hwif->ide_dma_on(drive);
}
- return hwif->ide_dma_on(drive);
+
+ goto fast_ata_pio;
+
} else if ((id->capability & 8) || (id->field_valid & 2)) {
fast_ata_pio:
-no_dma_set:
tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL);
speed = atiixp_dma_2_pio(XFER_PIO_0 + tspeed) + XFER_PIO_0;
hwif->speedproc(drive, speed);
return 0;
}
-/**
- * init_chipset_atiixp - set up the ATIIXP chipset
- * @dev: PCI device to set up
- * @name: Name of the device
- *
- * Initialize the PCI device as required. For the ATIIXP this turns
- * out to be nice and simple
- */
-
-static unsigned int __devinit init_chipset_atiixp(struct pci_dev *dev, const char *name)
-{
-#if defined(DISPLAY_ATIIXP_TIMINGS) && defined(CONFIG_PROC_FS)
- if (!atiixp_proc) {
- atiixp_proc = 1;
- bmide_dev = dev;
- ide_pci_create_host_proc("atiixp", atiixp_get_info);
- }
-#endif /* DISPLAY_ATIIXP_TIMINGS && CONFIG_PROC_FS */
- return 0;
-}
-
/**
* init_hwif_atiixp - fill in the hwif for the ATIIXP
* @hwif: IDE interface
static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
{
+ u8 udma_mode = 0;
+ u8 ch = hwif->channel;
+ struct pci_dev *pdev = hwif->pci_dev;
+
if (!hwif->irq)
- hwif->irq = hwif->channel ? 15 : 14;
+ hwif->irq = ch ? 15 : 14;
hwif->autodma = 0;
hwif->tuneproc = &atiixp_tuneproc;
hwif->mwdma_mask = 0x06;
hwif->swdma_mask = 0x04;
- /* FIXME: proper cable detection needed */
- hwif->udma_four = 1;
+ pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode);
+ if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40)
+ hwif->udma_four = 1;
+ else
+ hwif->udma_four = 0;
+
hwif->ide_dma_host_on = &atiixp_ide_dma_host_on;
hwif->ide_dma_host_off = &atiixp_ide_dma_host_off;
hwif->ide_dma_check = &atiixp_dma_check;
hwif->drives[0].autodma = hwif->autodma;
}
+
static ide_pci_device_t atiixp_pci_info[] __devinitdata = {
{ /* 0 */
.name = "ATIIXP",
- .init_chipset = init_chipset_atiixp,
.init_hwif = init_hwif_atiixp,
.channels = 2,
.autodma = AUTODMA,
.enablebits = {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
.bootable = ON_BOARD,
- }
+ },{ /* 1 */
+ .name = "SB600_PATA",
+ .init_hwif = init_hwif_atiixp,
+ .channels = 1,
+ .autodma = AUTODMA,
+ .enablebits = {{0x48,0x01,0x00}, {0x00,0x00,0x00}},
+ .bootable = ON_BOARD,
+ },
};
/**
static int __devinit atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- ide_setup_pci_device(dev, &atiixp_pci_info[id->driver_data]);
- return 0;
+ return ide_setup_pci_device(dev, &atiixp_pci_info[id->driver_data]);
}
static struct pci_device_id atiixp_pci_tbl[] = {
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP200_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl);
static struct pci_driver driver = {
- .name = "ATIIXP IDE",
+ .name = "ATIIXP_IDE",
.id_table = atiixp_pci_tbl,
.probe = atiixp_init_one,
};
-static int atiixp_ide_init(void)
+static int __init atiixp_ide_init(void)
{
return ide_pci_register_driver(&driver);
}
git://git.onelab.eu / linux-2.6.git / blobdiff