|  | /* | 
|  | * Version 2.13 | 
|  | * | 
|  | * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04 | 
|  | * IDE driver for Linux. | 
|  | * | 
|  | * Copyright (c) 2000-2002 Vojtech Pavlik | 
|  | * | 
|  | * Based on the work of: | 
|  | *      Andre Hedrick | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * This program is free software; you can redistribute it and/or modify it | 
|  | * under the terms of the GNU General Public License version 2 as published by | 
|  | * the Free Software Foundation. | 
|  | */ | 
|  |  | 
|  | #include <linux/config.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/ioport.h> | 
|  | #include <linux/blkdev.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/ide.h> | 
|  | #include <asm/io.h> | 
|  |  | 
|  | #include "ide-timing.h" | 
|  |  | 
|  | #define DISPLAY_AMD_TIMINGS | 
|  |  | 
|  | #define AMD_IDE_ENABLE		(0x00 + amd_config->base) | 
|  | #define AMD_IDE_CONFIG		(0x01 + amd_config->base) | 
|  | #define AMD_CABLE_DETECT	(0x02 + amd_config->base) | 
|  | #define AMD_DRIVE_TIMING	(0x08 + amd_config->base) | 
|  | #define AMD_8BIT_TIMING		(0x0e + amd_config->base) | 
|  | #define AMD_ADDRESS_SETUP	(0x0c + amd_config->base) | 
|  | #define AMD_UDMA_TIMING		(0x10 + amd_config->base) | 
|  |  | 
|  | #define AMD_UDMA		0x07 | 
|  | #define AMD_UDMA_33		0x01 | 
|  | #define AMD_UDMA_66		0x02 | 
|  | #define AMD_UDMA_100		0x03 | 
|  | #define AMD_UDMA_133		0x04 | 
|  | #define AMD_CHECK_SWDMA		0x08 | 
|  | #define AMD_BAD_SWDMA		0x10 | 
|  | #define AMD_BAD_FIFO		0x20 | 
|  | #define AMD_CHECK_SERENADE	0x40 | 
|  |  | 
|  | /* | 
|  | * AMD SouthBridge chips. | 
|  | */ | 
|  |  | 
|  | static struct amd_ide_chip { | 
|  | unsigned short id; | 
|  | unsigned long base; | 
|  | unsigned char flags; | 
|  | } amd_ide_chips[] = { | 
|  | { PCI_DEVICE_ID_AMD_COBRA_7401,		0x40, AMD_UDMA_33 | AMD_BAD_SWDMA }, | 
|  | { PCI_DEVICE_ID_AMD_VIPER_7409,		0x40, AMD_UDMA_66 | AMD_CHECK_SWDMA }, | 
|  | { PCI_DEVICE_ID_AMD_VIPER_7411,		0x40, AMD_UDMA_100 | AMD_BAD_FIFO }, | 
|  | { PCI_DEVICE_ID_AMD_OPUS_7441,		0x40, AMD_UDMA_100 }, | 
|  | { PCI_DEVICE_ID_AMD_8111_IDE,		0x40, AMD_UDMA_133 | AMD_CHECK_SERENADE }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE_IDE,	0x50, AMD_UDMA_100 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE,	0x50, AMD_UDMA_133 }, | 
|  | { 0 } | 
|  | }; | 
|  |  | 
|  | static struct amd_ide_chip *amd_config; | 
|  | static ide_pci_device_t *amd_chipset; | 
|  | static unsigned int amd_80w; | 
|  | static unsigned int amd_clock; | 
|  |  | 
|  | static char *amd_dma[] = { "MWDMA16", "UDMA33", "UDMA66", "UDMA100", "UDMA133" }; | 
|  | static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 }; | 
|  |  | 
|  | /* | 
|  | * AMD /proc entry. | 
|  | */ | 
|  |  | 
|  | #ifdef CONFIG_PROC_FS | 
|  |  | 
|  | #include <linux/stat.h> | 
|  | #include <linux/proc_fs.h> | 
|  |  | 
|  | static u8 amd74xx_proc; | 
|  |  | 
|  | static unsigned char amd_udma2cyc[] = { 4, 6, 8, 10, 3, 2, 1, 15 }; | 
|  | static unsigned long amd_base; | 
|  | static struct pci_dev *bmide_dev; | 
|  | extern int (*amd74xx_display_info)(char *, char **, off_t, int); /* ide-proc.c */ | 
|  |  | 
|  | #define amd_print(format, arg...) p += sprintf(p, format "\n" , ## arg) | 
|  | #define amd_print_drive(name, format, arg...)\ | 
|  | p += sprintf(p, name); for (i = 0; i < 4; i++) p += sprintf(p, format, ## arg); p += sprintf(p, "\n"); | 
|  |  | 
|  | static int amd74xx_get_info(char *buffer, char **addr, off_t offset, int count) | 
|  | { | 
|  | int speed[4], cycle[4], setup[4], active[4], recover[4], den[4], | 
|  | uen[4], udma[4], active8b[4], recover8b[4]; | 
|  | struct pci_dev *dev = bmide_dev; | 
|  | unsigned int v, u, i; | 
|  | unsigned short c, w; | 
|  | unsigned char t; | 
|  | int len; | 
|  | char *p = buffer; | 
|  |  | 
|  | amd_print("----------AMD BusMastering IDE Configuration----------------"); | 
|  |  | 
|  | amd_print("Driver Version:                     2.13"); | 
|  | amd_print("South Bridge:                       %s", pci_name(bmide_dev)); | 
|  |  | 
|  | pci_read_config_byte(dev, PCI_REVISION_ID, &t); | 
|  | amd_print("Revision:                           IDE %#x", t); | 
|  | amd_print("Highest DMA rate:                   %s", amd_dma[amd_config->flags & AMD_UDMA]); | 
|  |  | 
|  | amd_print("BM-DMA base:                        %#lx", amd_base); | 
|  | amd_print("PCI clock:                          %d.%dMHz", amd_clock / 1000, amd_clock / 100 % 10); | 
|  |  | 
|  | amd_print("-----------------------Primary IDE-------Secondary IDE------"); | 
|  |  | 
|  | pci_read_config_byte(dev, AMD_IDE_CONFIG, &t); | 
|  | amd_print("Prefetch Buffer:       %10s%20s", (t & 0x80) ? "yes" : "no", (t & 0x20) ? "yes" : "no"); | 
|  | amd_print("Post Write Buffer:     %10s%20s", (t & 0x40) ? "yes" : "no", (t & 0x10) ? "yes" : "no"); | 
|  |  | 
|  | pci_read_config_byte(dev, AMD_IDE_ENABLE, &t); | 
|  | amd_print("Enabled:               %10s%20s", (t & 0x02) ? "yes" : "no", (t & 0x01) ? "yes" : "no"); | 
|  |  | 
|  | c = inb(amd_base + 0x02) | (inb(amd_base + 0x0a) << 8); | 
|  | amd_print("Simplex only:          %10s%20s", (c & 0x80) ? "yes" : "no", (c & 0x8000) ? "yes" : "no"); | 
|  |  | 
|  | amd_print("Cable Type:            %10s%20s", (amd_80w & 1) ? "80w" : "40w", (amd_80w & 2) ? "80w" : "40w"); | 
|  |  | 
|  | if (!amd_clock) | 
|  | return p - buffer; | 
|  |  | 
|  | amd_print("-------------------drive0----drive1----drive2----drive3-----"); | 
|  |  | 
|  | pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t); | 
|  | pci_read_config_dword(dev, AMD_DRIVE_TIMING, &v); | 
|  | pci_read_config_word(dev, AMD_8BIT_TIMING, &w); | 
|  | pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); | 
|  |  | 
|  | for (i = 0; i < 4; i++) { | 
|  | setup[i]     = ((t >> ((3 - i) << 1)) & 0x3) + 1; | 
|  | recover8b[i] = ((w >> ((1 - (i >> 1)) << 3)) & 0xf) + 1; | 
|  | active8b[i]  = ((w >> (((1 - (i >> 1)) << 3) + 4)) & 0xf) + 1; | 
|  | active[i]    = ((v >> (((3 - i) << 3) + 4)) & 0xf) + 1; | 
|  | recover[i]   = ((v >> ((3 - i) << 3)) & 0xf) + 1; | 
|  |  | 
|  | udma[i] = amd_udma2cyc[((u >> ((3 - i) << 3)) & 0x7)]; | 
|  | uen[i]  = ((u >> ((3 - i) << 3)) & 0x40) ? 1 : 0; | 
|  | den[i]  = (c & ((i & 1) ? 0x40 : 0x20) << ((i & 2) << 2)); | 
|  |  | 
|  | if (den[i] && uen[i] && udma[i] == 1) { | 
|  | speed[i] = amd_clock * 3; | 
|  | cycle[i] = 666666 / amd_clock; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | if (den[i] && uen[i] && udma[i] == 15) { | 
|  | speed[i] = amd_clock * 4; | 
|  | cycle[i] = 500000 / amd_clock; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | speed[i] = 4 * amd_clock / ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2); | 
|  | cycle[i] = 1000000 * ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2) / amd_clock / 2; | 
|  | } | 
|  |  | 
|  | amd_print_drive("Transfer Mode: ", "%10s", den[i] ? (uen[i] ? "UDMA" : "DMA") : "PIO"); | 
|  |  | 
|  | amd_print_drive("Address Setup: ", "%8dns", 1000000 * setup[i] / amd_clock); | 
|  | amd_print_drive("Cmd Active:    ", "%8dns", 1000000 * active8b[i] / amd_clock); | 
|  | amd_print_drive("Cmd Recovery:  ", "%8dns", 1000000 * recover8b[i] / amd_clock); | 
|  | amd_print_drive("Data Active:   ", "%8dns", 1000000 * active[i] / amd_clock); | 
|  | amd_print_drive("Data Recovery: ", "%8dns", 1000000 * recover[i] / amd_clock); | 
|  | amd_print_drive("Cycle Time:    ", "%8dns", cycle[i]); | 
|  | amd_print_drive("Transfer Rate: ", "%4d.%dMB/s", speed[i] / 1000, speed[i] / 100 % 10); | 
|  |  | 
|  | /* hoping p - buffer is less than 4K... */ | 
|  | len = (p - buffer) - offset; | 
|  | *addr = buffer + offset; | 
|  |  | 
|  | return len > count ? count : len; | 
|  | } | 
|  |  | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * amd_set_speed() writes timing values to the chipset registers | 
|  | */ | 
|  |  | 
|  | static void amd_set_speed(struct pci_dev *dev, unsigned char dn, struct ide_timing *timing) | 
|  | { | 
|  | unsigned char t; | 
|  |  | 
|  | pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t); | 
|  | t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1)); | 
|  | pci_write_config_byte(dev, AMD_ADDRESS_SETUP, t); | 
|  |  | 
|  | pci_write_config_byte(dev, AMD_8BIT_TIMING + (1 - (dn >> 1)), | 
|  | ((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1)); | 
|  |  | 
|  | pci_write_config_byte(dev, AMD_DRIVE_TIMING + (3 - dn), | 
|  | ((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1)); | 
|  |  | 
|  | switch (amd_config->flags & AMD_UDMA) { | 
|  | case AMD_UDMA_33:  t = timing->udma ? (0xc0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break; | 
|  | case AMD_UDMA_66:  t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 2, 10)]) : 0x03; break; | 
|  | case AMD_UDMA_100: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 10)]) : 0x03; break; | 
|  | case AMD_UDMA_133: t = timing->udma ? (0xc0 | amd_cyc2udma[FIT(timing->udma, 1, 15)]) : 0x03; break; | 
|  | default: return; | 
|  | } | 
|  |  | 
|  | pci_write_config_byte(dev, AMD_UDMA_TIMING + (3 - dn), t); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * amd_set_drive() computes timing values configures the drive and | 
|  | * the chipset to a desired transfer mode. It also can be called | 
|  | * by upper layers. | 
|  | */ | 
|  |  | 
|  | static int amd_set_drive(ide_drive_t *drive, u8 speed) | 
|  | { | 
|  | ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1); | 
|  | struct ide_timing t, p; | 
|  | int T, UT; | 
|  |  | 
|  | if (speed != XFER_PIO_SLOW && speed != drive->current_speed) | 
|  | if (ide_config_drive_speed(drive, speed)) | 
|  | printk(KERN_WARNING "ide%d: Drive %d didn't accept speed setting. Oh, well.\n", | 
|  | drive->dn >> 1, drive->dn & 1); | 
|  |  | 
|  | T = 1000000000 / amd_clock; | 
|  | UT = T / min_t(int, max_t(int, amd_config->flags & AMD_UDMA, 1), 2); | 
|  |  | 
|  | ide_timing_compute(drive, speed, &t, T, UT); | 
|  |  | 
|  | if (peer->present) { | 
|  | ide_timing_compute(peer, peer->current_speed, &p, T, UT); | 
|  | ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT); | 
|  | } | 
|  |  | 
|  | if (speed == XFER_UDMA_5 && amd_clock <= 33333) t.udma = 1; | 
|  | if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15; | 
|  |  | 
|  | amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t); | 
|  |  | 
|  | if (!drive->init_speed) | 
|  | drive->init_speed = speed; | 
|  | drive->current_speed = speed; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * amd74xx_tune_drive() is a callback from upper layers for | 
|  | * PIO-only tuning. | 
|  | */ | 
|  |  | 
|  | static void amd74xx_tune_drive(ide_drive_t *drive, u8 pio) | 
|  | { | 
|  | if (pio == 255) { | 
|  | amd_set_drive(drive, ide_find_best_mode(drive, XFER_PIO | XFER_EPIO)); | 
|  | return; | 
|  | } | 
|  |  | 
|  | amd_set_drive(drive, XFER_PIO_0 + min_t(byte, pio, 5)); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * amd74xx_dmaproc() is a callback from upper layers that can do | 
|  | * a lot, but we use it for DMA/PIO tuning only, delegating everything | 
|  | * else to the default ide_dmaproc(). | 
|  | */ | 
|  |  | 
|  | static int amd74xx_ide_dma_check(ide_drive_t *drive) | 
|  | { | 
|  | int w80 = HWIF(drive)->udma_four; | 
|  |  | 
|  | u8 speed = ide_find_best_mode(drive, | 
|  | XFER_PIO | XFER_EPIO | XFER_MWDMA | XFER_UDMA | | 
|  | ((amd_config->flags & AMD_BAD_SWDMA) ? 0 : XFER_SWDMA) | | 
|  | (w80 && (amd_config->flags & AMD_UDMA) >= AMD_UDMA_66 ? XFER_UDMA_66 : 0) | | 
|  | (w80 && (amd_config->flags & AMD_UDMA) >= AMD_UDMA_100 ? XFER_UDMA_100 : 0) | | 
|  | (w80 && (amd_config->flags & AMD_UDMA) >= AMD_UDMA_133 ? XFER_UDMA_133 : 0)); | 
|  |  | 
|  | amd_set_drive(drive, speed); | 
|  |  | 
|  | if (drive->autodma && (speed & XFER_MODE) != XFER_PIO) | 
|  | return HWIF(drive)->ide_dma_on(drive); | 
|  | return HWIF(drive)->ide_dma_off_quietly(drive); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * The initialization callback. Here we determine the IDE chip type | 
|  | * and initialize its drive independent registers. | 
|  | */ | 
|  |  | 
|  | static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const char *name) | 
|  | { | 
|  | unsigned char t; | 
|  | unsigned int u; | 
|  | int i; | 
|  |  | 
|  | /* | 
|  | * Check for bad SWDMA. | 
|  | */ | 
|  |  | 
|  | if (amd_config->flags & AMD_CHECK_SWDMA) { | 
|  | pci_read_config_byte(dev, PCI_REVISION_ID, &t); | 
|  | if (t <= 7) | 
|  | amd_config->flags |= AMD_BAD_SWDMA; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Check 80-wire cable presence. | 
|  | */ | 
|  |  | 
|  | switch (amd_config->flags & AMD_UDMA) { | 
|  |  | 
|  | case AMD_UDMA_133: | 
|  | case AMD_UDMA_100: | 
|  | pci_read_config_byte(dev, AMD_CABLE_DETECT, &t); | 
|  | pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); | 
|  | amd_80w = ((t & 0x3) ? 1 : 0) | ((t & 0xc) ? 2 : 0); | 
|  | for (i = 24; i >= 0; i -= 8) | 
|  | if (((u >> i) & 4) && !(amd_80w & (1 << (1 - (i >> 4))))) { | 
|  | printk(KERN_WARNING "%s: BIOS didn't set cable bits correctly. Enabling workaround.\n", | 
|  | amd_chipset->name); | 
|  | amd_80w |= (1 << (1 - (i >> 4))); | 
|  | } | 
|  | break; | 
|  |  | 
|  | case AMD_UDMA_66: | 
|  | pci_read_config_dword(dev, AMD_UDMA_TIMING, &u); | 
|  | for (i = 24; i >= 0; i -= 8) | 
|  | if ((u >> i) & 4) | 
|  | amd_80w |= (1 << (1 - (i >> 4))); | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Take care of prefetch & postwrite. | 
|  | */ | 
|  |  | 
|  | pci_read_config_byte(dev, AMD_IDE_CONFIG, &t); | 
|  | pci_write_config_byte(dev, AMD_IDE_CONFIG, | 
|  | (amd_config->flags & AMD_BAD_FIFO) ? (t & 0x0f) : (t | 0xf0)); | 
|  |  | 
|  | /* | 
|  | * Take care of incorrectly wired Serenade mainboards. | 
|  | */ | 
|  |  | 
|  | if ((amd_config->flags & AMD_CHECK_SERENADE) && | 
|  | dev->subsystem_vendor == PCI_VENDOR_ID_AMD && | 
|  | dev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE) | 
|  | amd_config->flags = AMD_UDMA_100; | 
|  |  | 
|  | /* | 
|  | * Determine the system bus clock. | 
|  | */ | 
|  |  | 
|  | amd_clock = system_bus_clock() * 1000; | 
|  |  | 
|  | switch (amd_clock) { | 
|  | case 33000: amd_clock = 33333; break; | 
|  | case 37000: amd_clock = 37500; break; | 
|  | case 41000: amd_clock = 41666; break; | 
|  | } | 
|  |  | 
|  | if (amd_clock < 20000 || amd_clock > 50000) { | 
|  | printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n", | 
|  | amd_chipset->name, amd_clock); | 
|  | printk(KERN_WARNING "%s: Use ide0=ata66 if you want to assume 80-wire cable\n", | 
|  | amd_chipset->name); | 
|  | amd_clock = 33333; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Print the boot message. | 
|  | */ | 
|  |  | 
|  | pci_read_config_byte(dev, PCI_REVISION_ID, &t); | 
|  | printk(KERN_INFO "%s: %s (rev %02x) %s controller\n", | 
|  | amd_chipset->name, pci_name(dev), t, amd_dma[amd_config->flags & AMD_UDMA]); | 
|  |  | 
|  | /* | 
|  | * Register /proc/ide/amd74xx entry | 
|  | */ | 
|  |  | 
|  | #if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_PROC_FS) | 
|  | if (!amd74xx_proc) { | 
|  | amd_base = pci_resource_start(dev, 4); | 
|  | bmide_dev = dev; | 
|  | ide_pci_create_host_proc("amd74xx", amd74xx_get_info); | 
|  | amd74xx_proc = 1; | 
|  | } | 
|  | #endif /* DISPLAY_AMD_TIMINGS && CONFIG_PROC_FS */ | 
|  |  | 
|  | return dev->irq; | 
|  | } | 
|  |  | 
|  | static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | if (hwif->irq == 0) /* 0 is bogus but will do for now */ | 
|  | hwif->irq = pci_get_legacy_ide_irq(hwif->pci_dev, hwif->channel); | 
|  |  | 
|  | hwif->autodma = 0; | 
|  |  | 
|  | hwif->tuneproc = &amd74xx_tune_drive; | 
|  | hwif->speedproc = &amd_set_drive; | 
|  |  | 
|  | for (i = 0; i < 2; i++) { | 
|  | hwif->drives[i].io_32bit = 1; | 
|  | hwif->drives[i].unmask = 1; | 
|  | hwif->drives[i].autotune = 1; | 
|  | hwif->drives[i].dn = hwif->channel * 2 + i; | 
|  | } | 
|  |  | 
|  | if (!hwif->dma_base) | 
|  | return; | 
|  |  | 
|  | hwif->atapi_dma = 1; | 
|  | hwif->ultra_mask = 0x7f; | 
|  | hwif->mwdma_mask = 0x07; | 
|  | hwif->swdma_mask = 0x07; | 
|  |  | 
|  | if (!hwif->udma_four) | 
|  | hwif->udma_four = (amd_80w >> hwif->channel) & 1; | 
|  | hwif->ide_dma_check = &amd74xx_ide_dma_check; | 
|  | if (!noautodma) | 
|  | hwif->autodma = 1; | 
|  | hwif->drives[0].autodma = hwif->autodma; | 
|  | hwif->drives[1].autodma = hwif->autodma; | 
|  | } | 
|  |  | 
|  | #define DECLARE_AMD_DEV(name_str)					\ | 
|  | {								\ | 
|  | .name		= name_str,				\ | 
|  | .init_chipset	= init_chipset_amd74xx,			\ | 
|  | .init_hwif	= init_hwif_amd74xx,			\ | 
|  | .channels	= 2,					\ | 
|  | .autodma	= AUTODMA,				\ | 
|  | .enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},	\ | 
|  | .bootable	= ON_BOARD,				\ | 
|  | } | 
|  |  | 
|  | #define DECLARE_NV_DEV(name_str)					\ | 
|  | {								\ | 
|  | .name		= name_str,				\ | 
|  | .init_chipset	= init_chipset_amd74xx,			\ | 
|  | .init_hwif	= init_hwif_amd74xx,			\ | 
|  | .channels	= 2,					\ | 
|  | .autodma	= AUTODMA,				\ | 
|  | .enablebits	= {{0x50,0x02,0x02}, {0x50,0x01,0x01}},	\ | 
|  | .bootable	= ON_BOARD,				\ | 
|  | } | 
|  |  | 
|  | static ide_pci_device_t amd74xx_chipsets[] __devinitdata = { | 
|  | /*  0 */ DECLARE_AMD_DEV("AMD7401"), | 
|  | /*  1 */ DECLARE_AMD_DEV("AMD7409"), | 
|  | /*  2 */ DECLARE_AMD_DEV("AMD7411"), | 
|  | /*  3 */ DECLARE_AMD_DEV("AMD7441"), | 
|  | /*  4 */ DECLARE_AMD_DEV("AMD8111"), | 
|  |  | 
|  | /*  5 */ DECLARE_NV_DEV("NFORCE"), | 
|  | /*  6 */ DECLARE_NV_DEV("NFORCE2"), | 
|  | /*  7 */ DECLARE_NV_DEV("NFORCE2-U400R"), | 
|  | /*  8 */ DECLARE_NV_DEV("NFORCE2-U400R-SATA"), | 
|  | /*  9 */ DECLARE_NV_DEV("NFORCE3-150"), | 
|  | /* 10 */ DECLARE_NV_DEV("NFORCE3-250"), | 
|  | /* 11 */ DECLARE_NV_DEV("NFORCE3-250-SATA"), | 
|  | /* 12 */ DECLARE_NV_DEV("NFORCE3-250-SATA2"), | 
|  | /* 13 */ DECLARE_NV_DEV("NFORCE-CK804"), | 
|  | /* 14 */ DECLARE_NV_DEV("NFORCE-MCP04"), | 
|  | /* 15 */ DECLARE_NV_DEV("NFORCE-MCP51"), | 
|  | /* 16 */ DECLARE_NV_DEV("NFORCE-MCP55"), | 
|  | }; | 
|  |  | 
|  | static int __devinit amd74xx_probe(struct pci_dev *dev, const struct pci_device_id *id) | 
|  | { | 
|  | amd_chipset = amd74xx_chipsets + id->driver_data; | 
|  | amd_config = amd_ide_chips + id->driver_data; | 
|  | if (dev->device != amd_config->id) { | 
|  | printk(KERN_ERR "%s: assertion 0x%02x == 0x%02x failed !\n", | 
|  | pci_name(dev), dev->device, amd_config->id); | 
|  | return -ENODEV; | 
|  | } | 
|  | return ide_setup_pci_device(dev, amd_chipset); | 
|  | } | 
|  |  | 
|  | static struct pci_device_id amd74xx_pci_tbl[] = { | 
|  | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_COBRA_7401,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  0 }, | 
|  | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7409,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  1 }, | 
|  | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_VIPER_7411,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  2 }, | 
|  | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_OPUS_7441,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  3 }, | 
|  | { PCI_VENDOR_ID_AMD,	PCI_DEVICE_ID_AMD_8111_IDE,		PCI_ANY_ID, PCI_ANY_ID, 0, 0,  4 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  5 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  6 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  7 }, | 
|  | #ifdef CONFIG_BLK_DEV_IDE_SATA | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SATA,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  8 }, | 
|  | #endif | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0,  9 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10 }, | 
|  | #ifdef CONFIG_BLK_DEV_IDE_SATA | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_SATA2,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12 }, | 
|  | #endif | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15 }, | 
|  | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE,	PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16 }, | 
|  | { 0, }, | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl); | 
|  |  | 
|  | static struct pci_driver driver = { | 
|  | .name		= "AMD_IDE", | 
|  | .id_table	= amd74xx_pci_tbl, | 
|  | .probe		= amd74xx_probe, | 
|  | }; | 
|  |  | 
|  | static int amd74xx_ide_init(void) | 
|  | { | 
|  | return ide_pci_register_driver(&driver); | 
|  | } | 
|  |  | 
|  | module_init(amd74xx_ide_init); | 
|  |  | 
|  | MODULE_AUTHOR("Vojtech Pavlik"); | 
|  | MODULE_DESCRIPTION("AMD PCI IDE driver"); | 
|  | MODULE_LICENSE("GPL"); |