Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/ide/pci/hpt34x.c Version 0.40 Sept 10, 2002 |
| 3 | * |
| 4 | * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> |
| 5 | * May be copied or modified under the terms of the GNU General Public License |
| 6 | * |
| 7 | * |
| 8 | * 00:12.0 Unknown mass storage controller: |
| 9 | * Triones Technologies, Inc. |
| 10 | * Unknown device 0003 (rev 01) |
| 11 | * |
| 12 | * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010) |
| 13 | * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030) |
| 14 | * hde: DMA 2 (0x0000 0x0002) (0x0000 0x0010) |
| 15 | * hdf: DMA 2 (0x0002 0x0012) (0x0010 0x0030) |
| 16 | * hdg: DMA 1 (0x0012 0x0052) (0x0030 0x0070) |
| 17 | * hdh: DMA 1 (0x0052 0x0252) (0x0070 0x00f0) |
| 18 | * |
| 19 | * ide-pci.c reference |
| 20 | * |
| 21 | * Since there are two cards that report almost identically, |
| 22 | * the only discernable difference is the values reported in pcicmd. |
| 23 | * Booting-BIOS card or HPT363 :: pcicmd == 0x07 |
| 24 | * Non-bootable card or HPT343 :: pcicmd == 0x05 |
| 25 | */ |
| 26 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <linux/module.h> |
| 28 | #include <linux/types.h> |
| 29 | #include <linux/kernel.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/timer.h> |
| 32 | #include <linux/mm.h> |
| 33 | #include <linux/ioport.h> |
| 34 | #include <linux/blkdev.h> |
| 35 | #include <linux/hdreg.h> |
| 36 | #include <linux/interrupt.h> |
| 37 | #include <linux/pci.h> |
| 38 | #include <linux/init.h> |
| 39 | #include <linux/ide.h> |
| 40 | |
| 41 | #include <asm/io.h> |
| 42 | #include <asm/irq.h> |
| 43 | |
| 44 | #define HPT343_DEBUG_DRIVE_INFO 0 |
| 45 | |
| 46 | static u8 hpt34x_ratemask (ide_drive_t *drive) |
| 47 | { |
| 48 | return 1; |
| 49 | } |
| 50 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | static int hpt34x_tune_chipset (ide_drive_t *drive, u8 xferspeed) |
| 52 | { |
| 53 | struct pci_dev *dev = HWIF(drive)->pci_dev; |
| 54 | u8 speed = ide_rate_filter(hpt34x_ratemask(drive), xferspeed); |
| 55 | u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0; |
| 56 | u8 hi_speed, lo_speed; |
| 57 | |
| 58 | hi_speed = speed >> 4; |
| 59 | lo_speed = speed & 0x0f; |
| 60 | |
| 61 | if (hi_speed & 7) { |
| 62 | hi_speed = (hi_speed & 4) ? 0x01 : 0x10; |
| 63 | } else { |
| 64 | lo_speed <<= 5; |
| 65 | lo_speed >>= 5; |
| 66 | } |
| 67 | |
| 68 | pci_read_config_dword(dev, 0x44, ®1); |
| 69 | pci_read_config_dword(dev, 0x48, ®2); |
| 70 | tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn)))); |
Bartlomiej Zolnierkiewicz | 296d9bc | 2007-02-17 02:40:20 +0100 | [diff] [blame] | 71 | tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | pci_write_config_dword(dev, 0x44, tmp1); |
| 73 | pci_write_config_dword(dev, 0x48, tmp2); |
| 74 | |
| 75 | #if HPT343_DEBUG_DRIVE_INFO |
| 76 | printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \ |
| 77 | " (0x%02x 0x%02x)\n", |
| 78 | drive->name, ide_xfer_verbose(speed), |
| 79 | drive->dn, reg1, tmp1, reg2, tmp2, |
| 80 | hi_speed, lo_speed); |
| 81 | #endif /* HPT343_DEBUG_DRIVE_INFO */ |
| 82 | |
| 83 | return(ide_config_drive_speed(drive, speed)); |
| 84 | } |
| 85 | |
| 86 | static void hpt34x_tune_drive (ide_drive_t *drive, u8 pio) |
| 87 | { |
| 88 | pio = ide_get_best_pio_mode(drive, pio, 5, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | (void) hpt34x_tune_chipset(drive, (XFER_PIO_0 + pio)); |
| 90 | } |
| 91 | |
| 92 | /* |
| 93 | * This allows the configuration of ide_pci chipset registers |
| 94 | * for cards that learn about the drive's UDMA, DMA, PIO capabilities |
| 95 | * after the drive is reported by the OS. Initially for designed for |
| 96 | * HPT343 UDMA chipset by HighPoint|Triones Technologies, Inc. |
| 97 | */ |
| 98 | |
| 99 | static int config_chipset_for_dma (ide_drive_t *drive) |
| 100 | { |
| 101 | u8 speed = ide_dma_speed(drive, hpt34x_ratemask(drive)); |
| 102 | |
| 103 | if (!(speed)) |
| 104 | return 0; |
| 105 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | (void) hpt34x_tune_chipset(drive, speed); |
| 107 | return ide_dma_enable(drive); |
| 108 | } |
| 109 | |
| 110 | static int hpt34x_config_drive_xfer_rate (ide_drive_t *drive) |
| 111 | { |
| 112 | ide_hwif_t *hwif = HWIF(drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
| 114 | drive->init_speed = 0; |
| 115 | |
Bartlomiej Zolnierkiewicz | 7569e8d | 2007-02-17 02:40:25 +0100 | [diff] [blame] | 116 | if (ide_use_dma(drive) && config_chipset_for_dma(drive)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | #ifndef CONFIG_HPT34X_AUTODMA |
Bartlomiej Zolnierkiewicz | 7569e8d | 2007-02-17 02:40:25 +0100 | [diff] [blame] | 118 | return hwif->ide_dma_off_quietly(drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | #else |
Bartlomiej Zolnierkiewicz | 7569e8d | 2007-02-17 02:40:25 +0100 | [diff] [blame] | 120 | return hwif->ide_dma_on(drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | |
Bartlomiej Zolnierkiewicz | 7569e8d | 2007-02-17 02:40:25 +0100 | [diff] [blame] | 123 | if (ide_use_fast_pio(drive)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | hpt34x_tune_drive(drive, 255); |
| 125 | return hwif->ide_dma_off_quietly(drive); |
| 126 | } |
| 127 | /* IORDY not supported */ |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | /* |
| 132 | * If the BIOS does not set the IO base addaress to XX00, 343 will fail. |
| 133 | */ |
| 134 | #define HPT34X_PCI_INIT_REG 0x80 |
| 135 | |
| 136 | static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev, const char *name) |
| 137 | { |
| 138 | int i = 0; |
| 139 | unsigned long hpt34xIoBase = pci_resource_start(dev, 4); |
| 140 | unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c }; |
| 141 | unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 }; |
| 142 | u16 cmd; |
| 143 | unsigned long flags; |
| 144 | |
| 145 | local_irq_save(flags); |
| 146 | |
| 147 | pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00); |
| 148 | pci_read_config_word(dev, PCI_COMMAND, &cmd); |
| 149 | |
| 150 | if (cmd & PCI_COMMAND_MEMORY) { |
| 151 | if (pci_resource_start(dev, PCI_ROM_RESOURCE)) { |
Linus Torvalds | 299cc3c | 2005-09-13 07:59:34 -0700 | [diff] [blame] | 152 | pci_write_config_dword(dev, PCI_ROM_ADDRESS, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); |
| 154 | printk(KERN_INFO "HPT345: ROM enabled at 0x%08lx\n", |
Greg Kroah-Hartman | 08f46de | 2006-06-12 15:15:59 -0700 | [diff] [blame] | 155 | (unsigned long)dev->resource[PCI_ROM_RESOURCE].start); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | } |
| 157 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0); |
| 158 | } else { |
| 159 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20); |
| 160 | } |
| 161 | |
| 162 | /* |
| 163 | * Since 20-23 can be assigned and are R/W, we correct them. |
| 164 | */ |
| 165 | pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO); |
| 166 | for(i=0; i<4; i++) { |
| 167 | dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]); |
| 168 | dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i]; |
| 169 | dev->resource[i].flags = IORESOURCE_IO; |
| 170 | pci_write_config_dword(dev, |
| 171 | (PCI_BASE_ADDRESS_0 + (i * 4)), |
| 172 | dev->resource[i].start); |
| 173 | } |
| 174 | pci_write_config_word(dev, PCI_COMMAND, cmd); |
| 175 | |
| 176 | local_irq_restore(flags); |
| 177 | |
| 178 | return dev->irq; |
| 179 | } |
| 180 | |
| 181 | static void __devinit init_hwif_hpt34x(ide_hwif_t *hwif) |
| 182 | { |
| 183 | u16 pcicmd = 0; |
| 184 | |
| 185 | hwif->autodma = 0; |
| 186 | |
| 187 | hwif->tuneproc = &hpt34x_tune_drive; |
| 188 | hwif->speedproc = &hpt34x_tune_chipset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | hwif->drives[0].autotune = 1; |
| 190 | hwif->drives[1].autotune = 1; |
| 191 | |
| 192 | pci_read_config_word(hwif->pci_dev, PCI_COMMAND, &pcicmd); |
| 193 | |
| 194 | if (!hwif->dma_base) |
| 195 | return; |
| 196 | |
| 197 | hwif->ultra_mask = 0x07; |
| 198 | hwif->mwdma_mask = 0x07; |
| 199 | hwif->swdma_mask = 0x07; |
| 200 | |
| 201 | hwif->ide_dma_check = &hpt34x_config_drive_xfer_rate; |
| 202 | if (!noautodma) |
| 203 | hwif->autodma = (pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0; |
| 204 | hwif->drives[0].autodma = hwif->autodma; |
| 205 | hwif->drives[1].autodma = hwif->autodma; |
| 206 | } |
| 207 | |
| 208 | static ide_pci_device_t hpt34x_chipset __devinitdata = { |
| 209 | .name = "HPT34X", |
| 210 | .init_chipset = init_chipset_hpt34x, |
| 211 | .init_hwif = init_hwif_hpt34x, |
| 212 | .channels = 2, |
| 213 | .autodma = NOAUTODMA, |
| 214 | .bootable = NEVER_BOARD, |
| 215 | .extra = 16 |
| 216 | }; |
| 217 | |
| 218 | static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
| 219 | { |
| 220 | ide_pci_device_t *d = &hpt34x_chipset; |
| 221 | static char *chipset_names[] = {"HPT343", "HPT345"}; |
| 222 | u16 pcicmd = 0; |
| 223 | |
| 224 | pci_read_config_word(dev, PCI_COMMAND, &pcicmd); |
| 225 | |
| 226 | d->name = chipset_names[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0]; |
| 227 | d->bootable = (pcicmd & PCI_COMMAND_MEMORY) ? OFF_BOARD : NEVER_BOARD; |
| 228 | |
| 229 | return ide_setup_pci_device(dev, d); |
| 230 | } |
| 231 | |
| 232 | static struct pci_device_id hpt34x_pci_tbl[] = { |
| 233 | { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT343, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 234 | { 0, }, |
| 235 | }; |
| 236 | MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl); |
| 237 | |
| 238 | static struct pci_driver driver = { |
| 239 | .name = "HPT34x_IDE", |
| 240 | .id_table = hpt34x_pci_tbl, |
| 241 | .probe = hpt34x_init_one, |
| 242 | }; |
| 243 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 244 | static int __init hpt34x_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | { |
| 246 | return ide_pci_register_driver(&driver); |
| 247 | } |
| 248 | |
| 249 | module_init(hpt34x_ide_init); |
| 250 | |
| 251 | MODULE_AUTHOR("Andre Hedrick"); |
| 252 | MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE"); |
| 253 | MODULE_LICENSE("GPL"); |