diff options
Diffstat (limited to 'drivers/ide/pci/cmd64x.c')
| -rw-r--r-- | drivers/ide/pci/cmd64x.c | 684 |
1 files changed, 0 insertions, 684 deletions
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c deleted file mode 100644 index 0b568c60f92..00000000000 --- a/drivers/ide/pci/cmd64x.c +++ /dev/null @@ -1,684 +0,0 @@ -/* - * linux/drivers/ide/pci/cmd64x.c Version 1.50 May 10, 2007 - * - * cmd64x.c: Enable interrupts at initialization time on Ultra/PCI machines. - * Due to massive hardware bugs, UltraDMA is only supported - * on the 646U2 and not on the 646U. - * - * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) - * Copyright (C) 1998 David S. Miller (davem@redhat.com) - * - * Copyright (C) 1999-2002 Andre Hedrick <andre@linux-ide.org> - * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com> - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/hdreg.h> -#include <linux/ide.h> -#include <linux/init.h> - -#include <asm/io.h> - -#define DISPLAY_CMD64X_TIMINGS - -#define CMD_DEBUG 0 - -#if CMD_DEBUG -#define cmdprintk(x...) printk(x) -#else -#define cmdprintk(x...) -#endif - -/* - * CMD64x specific registers definition. - */ -#define CFR 0x50 -#define CFR_INTR_CH0 0x04 -#define CNTRL 0x51 -#define CNTRL_ENA_1ST 0x04 -#define CNTRL_ENA_2ND 0x08 -#define CNTRL_DIS_RA0 0x40 -#define CNTRL_DIS_RA1 0x80 - -#define CMDTIM 0x52 -#define ARTTIM0 0x53 -#define DRWTIM0 0x54 -#define ARTTIM1 0x55 -#define DRWTIM1 0x56 -#define ARTTIM23 0x57 -#define ARTTIM23_DIS_RA2 0x04 -#define ARTTIM23_DIS_RA3 0x08 -#define ARTTIM23_INTR_CH1 0x10 -#define DRWTIM2 0x58 -#define BRST 0x59 -#define DRWTIM3 0x5b - -#define BMIDECR0 0x70 -#define MRDMODE 0x71 -#define MRDMODE_INTR_CH0 0x04 -#define MRDMODE_INTR_CH1 0x08 -#define MRDMODE_BLK_CH0 0x10 -#define MRDMODE_BLK_CH1 0x20 -#define BMIDESR0 0x72 -#define UDIDETCR0 0x73 -#define DTPR0 0x74 -#define BMIDECR1 0x78 -#define BMIDECSR 0x79 -#define BMIDESR1 0x7A -#define UDIDETCR1 0x7B -#define DTPR1 0x7C - -#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS) -#include <linux/stat.h> -#include <linux/proc_fs.h> - -static u8 cmd64x_proc = 0; - -#define CMD_MAX_DEVS 5 - -static struct pci_dev *cmd_devs[CMD_MAX_DEVS]; -static int n_cmd_devs; - -static char * print_cmd64x_get_info (char *buf, struct pci_dev *dev, int index) -{ - char *p = buf; - u8 reg72 = 0, reg73 = 0; /* primary */ - u8 reg7a = 0, reg7b = 0; /* secondary */ - u8 reg50 = 1, reg51 = 1, reg57 = 0, reg71 = 0; /* extra */ - - p += sprintf(p, "\nController: %d\n", index); - p += sprintf(p, "PCI-%x Chipset.\n", dev->device); - - (void) pci_read_config_byte(dev, CFR, ®50); - (void) pci_read_config_byte(dev, CNTRL, ®51); - (void) pci_read_config_byte(dev, ARTTIM23, ®57); - (void) pci_read_config_byte(dev, MRDMODE, ®71); - (void) pci_read_config_byte(dev, BMIDESR0, ®72); - (void) pci_read_config_byte(dev, UDIDETCR0, ®73); - (void) pci_read_config_byte(dev, BMIDESR1, ®7a); - (void) pci_read_config_byte(dev, UDIDETCR1, ®7b); - - /* PCI0643/6 originally didn't have the primary channel enable bit */ - if ((dev->device == PCI_DEVICE_ID_CMD_643) || - (dev->device == PCI_DEVICE_ID_CMD_646 && dev->revision < 3)) - reg51 |= CNTRL_ENA_1ST; - - p += sprintf(p, "---------------- Primary Channel " - "---------------- Secondary Channel ------------\n"); - p += sprintf(p, " %s %s\n", - (reg51 & CNTRL_ENA_1ST) ? "enabled " : "disabled", - (reg51 & CNTRL_ENA_2ND) ? "enabled " : "disabled"); - p += sprintf(p, "---------------- drive0 --------- drive1 " - "-------- drive0 --------- drive1 ------\n"); - p += sprintf(p, "DMA enabled: %s %s" - " %s %s\n", - (reg72 & 0x20) ? "yes" : "no ", (reg72 & 0x40) ? "yes" : "no ", - (reg7a & 0x20) ? "yes" : "no ", (reg7a & 0x40) ? "yes" : "no "); - p += sprintf(p, "UltraDMA mode: %s (%c) %s (%c)", - ( reg73 & 0x01) ? " on" : "off", - ((reg73 & 0x30) == 0x30) ? ((reg73 & 0x04) ? '3' : '0') : - ((reg73 & 0x30) == 0x20) ? ((reg73 & 0x04) ? '3' : '1') : - ((reg73 & 0x30) == 0x10) ? ((reg73 & 0x04) ? '4' : '2') : - ((reg73 & 0x30) == 0x00) ? ((reg73 & 0x04) ? '5' : '2') : '?', - ( reg73 & 0x02) ? " on" : "off", - ((reg73 & 0xC0) == 0xC0) ? ((reg73 & 0x08) ? '3' : '0') : - ((reg73 & 0xC0) == 0x80) ? ((reg73 & 0x08) ? '3' : '1') : - ((reg73 & 0xC0) == 0x40) ? ((reg73 & 0x08) ? '4' : '2') : - ((reg73 & 0xC0) == 0x00) ? ((reg73 & 0x08) ? '5' : '2') : '?'); - p += sprintf(p, " %s (%c) %s (%c)\n", - ( reg7b & 0x01) ? " on" : "off", - ((reg7b & 0x30) == 0x30) ? ((reg7b & 0x04) ? '3' : '0') : - ((reg7b & 0x30) == 0x20) ? ((reg7b & 0x04) ? '3' : '1') : - ((reg7b & 0x30) == 0x10) ? ((reg7b & 0x04) ? '4' : '2') : - ((reg7b & 0x30) == 0x00) ? ((reg7b & 0x04) ? '5' : '2') : '?', - ( reg7b & 0x02) ? " on" : "off", - ((reg7b & 0xC0) == 0xC0) ? ((reg7b & 0x08) ? '3' : '0') : - ((reg7b & 0xC0) == 0x80) ? ((reg7b & 0x08) ? '3' : '1') : - ((reg7b & 0xC0) == 0x40) ? ((reg7b & 0x08) ? '4' : '2') : - ((reg7b & 0xC0) == 0x00) ? ((reg7b & 0x08) ? '5' : '2') : '?'); - p += sprintf(p, "Interrupt: %s, %s %s, %s\n", - (reg71 & MRDMODE_BLK_CH0 ) ? "blocked" : "enabled", - (reg50 & CFR_INTR_CH0 ) ? "pending" : "clear ", - (reg71 & MRDMODE_BLK_CH1 ) ? "blocked" : "enabled", - (reg57 & ARTTIM23_INTR_CH1) ? "pending" : "clear "); - - return (char *)p; -} - -static int cmd64x_get_info (char *buffer, char **addr, off_t offset, int count) -{ - char *p = buffer; - int i; - - for (i = 0; i < n_cmd_devs; i++) { - struct pci_dev *dev = cmd_devs[i]; - p = print_cmd64x_get_info(p, dev, i); - } - return p-buffer; /* => must be less than 4k! */ -} - -#endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */ - -static u8 quantize_timing(int timing, int quant) -{ - return (timing + quant - 1) / quant; -} - -/* - * This routine calculates active/recovery counts and then writes them into - * the chipset registers. - */ -static void program_cycle_times (ide_drive_t *drive, int cycle_time, int active_time) -{ - struct pci_dev *dev = HWIF(drive)->pci_dev; - int clock_time = 1000 / system_bus_clock(); - u8 cycle_count, active_count, recovery_count, drwtim; - static const u8 recovery_values[] = - {15, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0}; - static const u8 drwtim_regs[4] = {DRWTIM0, DRWTIM1, DRWTIM2, DRWTIM3}; - - cmdprintk("program_cycle_times parameters: total=%d, active=%d\n", - cycle_time, active_time); - - cycle_count = quantize_timing( cycle_time, clock_time); - active_count = quantize_timing(active_time, clock_time); - recovery_count = cycle_count - active_count; - - /* - * In case we've got too long recovery phase, try to lengthen - * the active phase - */ - if (recovery_count > 16) { - active_count += recovery_count - 16; - recovery_count = 16; - } - if (active_count > 16) /* shouldn't actually happen... */ - active_count = 16; - - cmdprintk("Final counts: total=%d, active=%d, recovery=%d\n", - cycle_count, active_count, recovery_count); - - /* - * Convert values to internal chipset representation - */ - recovery_count = recovery_values[recovery_count]; - active_count &= 0x0f; - - /* Program the active/recovery counts into the DRWTIM register */ - drwtim = (active_count << 4) | recovery_count; - (void) pci_write_config_byte(dev, drwtim_regs[drive->dn], drwtim); - cmdprintk("Write 0x%02x to reg 0x%x\n", drwtim, drwtim_regs[drive->dn]); -} - -/* - * This routine writes into the chipset registers - * PIO setup/active/recovery timings. - */ -static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - unsigned int cycle_time; - u8 setup_count, arttim = 0; - - static const u8 setup_values[] = {0x40, 0x40, 0x40, 0x80, 0, 0xc0}; - static const u8 arttim_regs[4] = {ARTTIM0, ARTTIM1, ARTTIM23, ARTTIM23}; - - cycle_time = ide_pio_cycle_time(drive, pio); - - program_cycle_times(drive, cycle_time, - ide_pio_timings[pio].active_time); - - setup_count = quantize_timing(ide_pio_timings[pio].setup_time, - 1000 / system_bus_clock()); - - /* - * The primary channel has individual address setup timing registers - * for each drive and the hardware selects the slowest timing itself. - * The secondary channel has one common register and we have to select - * the slowest address setup timing ourselves. - */ - if (hwif->channel) { - ide_drive_t *drives = hwif->drives; - - drive->drive_data = setup_count; - setup_count = max(drives[0].drive_data, drives[1].drive_data); - } - - if (setup_count > 5) /* shouldn't actually happen... */ - setup_count = 5; - cmdprintk("Final address setup count: %d\n", setup_count); - - /* - * Program the address setup clocks into the ARTTIM registers. - * Avoid clearing the secondary channel's interrupt bit. - */ - (void) pci_read_config_byte (dev, arttim_regs[drive->dn], &arttim); - if (hwif->channel) - arttim &= ~ARTTIM23_INTR_CH1; - arttim &= ~0xc0; - arttim |= setup_values[setup_count]; - (void) pci_write_config_byte(dev, arttim_regs[drive->dn], arttim); - cmdprintk("Write 0x%02x to reg 0x%x\n", arttim, arttim_regs[drive->dn]); -} - -/* - * Attempts to set drive's PIO mode. - * Special cases are 8: prefetch off, 9: prefetch on (both never worked) - */ - -static void cmd64x_set_pio_mode(ide_drive_t *drive, const u8 pio) -{ - /* - * Filter out the prefetch control values - * to prevent PIO5 from being programmed - */ - if (pio == 8 || pio == 9) - return; - - cmd64x_tune_pio(drive, pio); - (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio); -} - -static int cmd64x_tune_chipset(ide_drive_t *drive, const u8 speed) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - u8 unit = drive->dn & 0x01; - u8 regU = 0, pciU = hwif->channel ? UDIDETCR1 : UDIDETCR0; - - if (speed >= XFER_SW_DMA_0) { - (void) pci_read_config_byte(dev, pciU, ®U); - regU &= ~(unit ? 0xCA : 0x35); - } - - switch(speed) { - case XFER_UDMA_5: - regU |= unit ? 0x0A : 0x05; - break; - case XFER_UDMA_4: - regU |= unit ? 0x4A : 0x15; - break; - case XFER_UDMA_3: - regU |= unit ? 0x8A : 0x25; - break; - case XFER_UDMA_2: - regU |= unit ? 0x42 : 0x11; - break; - case XFER_UDMA_1: - regU |= unit ? 0x82 : 0x21; - break; - case XFER_UDMA_0: - regU |= unit ? 0xC2 : 0x31; - break; - case XFER_MW_DMA_2: - program_cycle_times(drive, 120, 70); - break; - case XFER_MW_DMA_1: - program_cycle_times(drive, 150, 80); - break; - case XFER_MW_DMA_0: - program_cycle_times(drive, 480, 215); - break; - default: - return 1; - } - - if (speed >= XFER_SW_DMA_0) - (void) pci_write_config_byte(dev, pciU, regU); - - return ide_config_drive_speed(drive, speed); -} - -static int cmd64x_config_drive_for_dma (ide_drive_t *drive) -{ - if (ide_tune_dma(drive)) - return 0; - - if (ide_use_fast_pio(drive)) - ide_set_max_pio(drive); - - return -1; -} - -static int cmd648_ide_dma_end (ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - int err = __ide_dma_end(drive); - u8 irq_mask = hwif->channel ? MRDMODE_INTR_CH1 : - MRDMODE_INTR_CH0; - u8 mrdmode = inb(hwif->dma_master + 0x01); - - /* clear the interrupt bit */ - outb(mrdmode | irq_mask, hwif->dma_master + 0x01); - - return err; -} - -static int cmd64x_ide_dma_end (ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - int irq_reg = hwif->channel ? ARTTIM23 : CFR; - u8 irq_mask = hwif->channel ? ARTTIM23_INTR_CH1 : - CFR_INTR_CH0; - u8 irq_stat = 0; - int err = __ide_dma_end(drive); - - (void) pci_read_config_byte(dev, irq_reg, &irq_stat); - /* clear the interrupt bit */ - (void) pci_write_config_byte(dev, irq_reg, irq_stat | irq_mask); - - return err; -} - -static int cmd648_ide_dma_test_irq (ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - u8 irq_mask = hwif->channel ? MRDMODE_INTR_CH1 : - MRDMODE_INTR_CH0; - u8 dma_stat = inb(hwif->dma_status); - u8 mrdmode = inb(hwif->dma_master + 0x01); - -#ifdef DEBUG - printk("%s: dma_stat: 0x%02x mrdmode: 0x%02x irq_mask: 0x%02x\n", - drive->name, dma_stat, mrdmode, irq_mask); -#endif - if (!(mrdmode & irq_mask)) - return 0; - - /* return 1 if INTR asserted */ - if (dma_stat & 4) - return 1; - - return 0; -} - -static int cmd64x_ide_dma_test_irq (ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - int irq_reg = hwif->channel ? ARTTIM23 : CFR; - u8 irq_mask = hwif->channel ? ARTTIM23_INTR_CH1 : - CFR_INTR_CH0; - u8 dma_stat = inb(hwif->dma_status); - u8 irq_stat = 0; - - (void) pci_read_config_byte(dev, irq_reg, &irq_stat); - -#ifdef DEBUG - printk("%s: dma_stat: 0x%02x irq_stat: 0x%02x irq_mask: 0x%02x\n", - drive->name, dma_stat, irq_stat, irq_mask); -#endif - if (!(irq_stat & irq_mask)) - return 0; - - /* return 1 if INTR asserted */ - if (dma_stat & 4) - return 1; - - return 0; -} - -/* - * ASUS P55T2P4D with CMD646 chipset revision 0x01 requires the old - * event order for DMA transfers. - */ - -static int cmd646_1_ide_dma_end (ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - u8 dma_stat = 0, dma_cmd = 0; - - drive->waiting_for_dma = 0; - /* get DMA status */ - dma_stat = inb(hwif->dma_status); - /* read DMA command state */ - dma_cmd = inb(hwif->dma_command); - /* stop DMA */ - outb(dma_cmd & ~1, hwif->dma_command); - /* clear the INTR & ERROR bits */ - outb(dma_stat | 6, hwif->dma_status); - /* and free any DMA resources */ - ide_destroy_dmatable(drive); - /* verify good DMA status */ - return (dma_stat & 7) != 4; -} - -static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const char *name) -{ - u8 mrdmode = 0; - - if (dev->device == PCI_DEVICE_ID_CMD_646) { - u8 rev = 0; - - pci_read_config_byte(dev, PCI_REVISION_ID, &rev); - - switch (rev) { - case 0x07: - case 0x05: - printk("%s: UltraDMA capable\n", name); - break; - case 0x03: - default: - printk("%s: MultiWord DMA force limited\n", name); - break; - case 0x01: - printk("%s: MultiWord DMA limited, " - "IRQ workaround enabled\n", name); - break; - } - } - - /* Set a good latency timer and cache line size value. */ - (void) pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); - /* FIXME: pci_set_master() to ensure a good latency timer value */ - - /* - * Enable interrupts, select MEMORY READ LINE for reads. - * - * NOTE: although not mentioned in the PCI0646U specs, - * bits 0-1 are write only and won't be read back as - * set or not -- PCI0646U2 specs clarify this point. - */ - (void) pci_read_config_byte (dev, MRDMODE, &mrdmode); - mrdmode &= ~0x30; - (void) pci_write_config_byte(dev, MRDMODE, (mrdmode | 0x02)); - -#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS) - - cmd_devs[n_cmd_devs++] = dev; - - if (!cmd64x_proc) { - cmd64x_proc = 1; - ide_pci_create_host_proc("cmd64x", cmd64x_get_info); - } -#endif /* DISPLAY_CMD64X_TIMINGS && CONFIG_IDE_PROC_FS */ - - return 0; -} - -static u8 __devinit ata66_cmd64x(ide_hwif_t *hwif) -{ - struct pci_dev *dev = hwif->pci_dev; - u8 bmidecsr = 0, mask = hwif->channel ? 0x02 : 0x01; - - switch (dev->device) { - case PCI_DEVICE_ID_CMD_648: - case PCI_DEVICE_ID_CMD_649: - pci_read_config_byte(dev, BMIDECSR, &bmidecsr); - return (bmidecsr & mask) ? ATA_CBL_PATA80 : ATA_CBL_PATA40; - default: - return ATA_CBL_PATA40; - } -} - -static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif) -{ - struct pci_dev *dev = hwif->pci_dev; - u8 rev = 0; - - pci_read_config_byte(dev, PCI_REVISION_ID, &rev); - - hwif->set_pio_mode = &cmd64x_set_pio_mode; - hwif->speedproc = &cmd64x_tune_chipset; - - hwif->drives[0].autotune = hwif->drives[1].autotune = 1; - - if (!hwif->dma_base) - return; - - hwif->atapi_dma = 1; - hwif->mwdma_mask = 0x07; - hwif->ultra_mask = hwif->cds->udma_mask; - - /* - * UltraDMA only supported on PCI646U and PCI646U2, which - * correspond to revisions 0x03, 0x05 and 0x07 respectively. - * Actually, although the CMD tech support people won't - * tell me the details, the 0x03 revision cannot support - * UDMA correctly without hardware modifications, and even - * then it only works with Quantum disks due to some - * hold time assumptions in the 646U part which are fixed - * in the 646U2. - * - * So we only do UltraDMA on revision 0x05 and 0x07 chipsets. - */ - if (dev->device == PCI_DEVICE_ID_CMD_646 && rev < 5) - hwif->ultra_mask = 0x00; - - hwif->ide_dma_check = &cmd64x_config_drive_for_dma; - - if (hwif->cbl != ATA_CBL_PATA40_SHORT) - hwif->cbl = ata66_cmd64x(hwif); - - switch (dev->device) { - case PCI_DEVICE_ID_CMD_648: - case PCI_DEVICE_ID_CMD_649: - alt_irq_bits: - hwif->ide_dma_end = &cmd648_ide_dma_end; - hwif->ide_dma_test_irq = &cmd648_ide_dma_test_irq; - break; - case PCI_DEVICE_ID_CMD_646: - hwif->chipset = ide_cmd646; - if (rev == 0x01) { - hwif->ide_dma_end = &cmd646_1_ide_dma_end; - break; - } else if (rev >= 0x03) - goto alt_irq_bits; - /* fall thru */ - default: - hwif->ide_dma_end = &cmd64x_ide_dma_end; - hwif->ide_dma_test_irq = &cmd64x_ide_dma_test_irq; - break; - } - - if (!noautodma) - hwif->autodma = 1; - hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma; -} - -static int __devinit init_setup_cmd64x(struct pci_dev *dev, ide_pci_device_t *d) -{ - return ide_setup_pci_device(dev, d); -} - -static int __devinit init_setup_cmd646(struct pci_dev *dev, ide_pci_device_t *d) -{ - /* - * The original PCI0646 didn't have the primary channel enable bit, - * it appeared starting with PCI0646U (i.e. revision ID 3). - */ - if (dev->revision < 3) - d->enablebits[0].reg = 0; - - return ide_setup_pci_device(dev, d); -} - -static ide_pci_device_t cmd64x_chipsets[] __devinitdata = { - { /* 0 */ - .name = "CMD643", - .init_setup = init_setup_cmd64x, - .init_chipset = init_chipset_cmd64x, - .init_hwif = init_hwif_cmd64x, - .autodma = AUTODMA, - .enablebits = {{0x00,0x00,0x00}, {0x51,0x08,0x08}}, - .bootable = ON_BOARD, - .host_flags = IDE_HFLAG_ABUSE_PREFETCH, - .pio_mask = ATA_PIO5, - .udma_mask = 0x00, /* no udma */ - },{ /* 1 */ - .name = "CMD646", - .init_setup = init_setup_cmd646, - .init_chipset = init_chipset_cmd64x, - .init_hwif = init_hwif_cmd64x, - .autodma = AUTODMA, - .enablebits = {{0x51,0x04,0x04}, {0x51,0x08,0x08}}, - .bootable = ON_BOARD, - .host_flags = IDE_HFLAG_ABUSE_PREFETCH, - .pio_mask = ATA_PIO5, - .udma_mask = 0x07, /* udma0-2 */ - },{ /* 2 */ - .name = "CMD648", - .init_setup = init_setup_cmd64x, - .init_chipset = init_chipset_cmd64x, - .init_hwif = init_hwif_cmd64x, - .autodma = AUTODMA, - .enablebits = {{0x51,0x04,0x04}, {0x51,0x08,0x08}}, - .bootable = ON_BOARD, - .host_flags = IDE_HFLAG_ABUSE_PREFETCH, - .pio_mask = ATA_PIO5, - .udma_mask = 0x1f, /* udma0-4 */ - },{ /* 3 */ - .name = "CMD649", - .init_setup = init_setup_cmd64x, - .init_chipset = init_chipset_cmd64x, - .init_hwif = init_hwif_cmd64x, - .autodma = AUTODMA, - .enablebits = {{0x51,0x04,0x04}, {0x51,0x08,0x08}}, - .bootable = ON_BOARD, - .host_flags = IDE_HFLAG_ABUSE_PREFETCH, - .pio_mask = ATA_PIO5, - .udma_mask = 0x3f, /* udma0-5 */ - } -}; - -/* - * We may have to modify enablebits for PCI0646, so we'd better pass - * a local copy of the ide_pci_device_t structure down the call chain... - */ -static int __devinit cmd64x_init_one(struct pci_dev *dev, const struct pci_device_id *id) -{ - ide_pci_device_t d = cmd64x_chipsets[id->driver_data]; - - return d.init_setup(dev, &d); -} - -static struct pci_device_id cmd64x_pci_tbl[] = { - { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_643, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, - { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, - { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, - { 0, }, -}; -MODULE_DEVICE_TABLE(pci, cmd64x_pci_tbl); - -static struct pci_driver driver = { - .name = "CMD64x_IDE", - .id_table = cmd64x_pci_tbl, - .probe = cmd64x_init_one, -}; - -static int __init cmd64x_ide_init(void) -{ - return ide_pci_register_driver(&driver); -} - -module_init(cmd64x_ide_init); - -MODULE_AUTHOR("Eddie Dost, David Miller, Andre Hedrick"); -MODULE_DESCRIPTION("PCI driver module for CMD64x IDE"); -MODULE_LICENSE("GPL"); |
