Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 2 | * linux/drivers/ide/pci/alim15x3.c Version 0.29 Sep 16 2007 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 1998-2000 Michel Aubry, Maintainer |
| 5 | * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer |
| 6 | * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer |
| 7 | * |
| 8 | * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org) |
| 9 | * May be copied or modified under the terms of the GNU General Public License |
| 10 | * Copyright (C) 2002 Alan Cox <alan@redhat.com> |
| 11 | * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw> |
Sergei Shtylyov | 21b8247 | 2007-03-03 17:48:52 +0100 | [diff] [blame] | 12 | * Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com> |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 13 | * Copyright (C) 2007 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | * |
| 15 | * (U)DMA capable version of ali 1533/1543(C), 1535(D) |
| 16 | * |
| 17 | ********************************************************************** |
| 18 | * 9/7/99 --Parts from the above author are included and need to be |
| 19 | * converted into standard interface, once I finish the thought. |
| 20 | * |
| 21 | * Recent changes |
| 22 | * Don't use LBA48 mode on ALi <= 0xC4 |
| 23 | * Don't poke 0x79 with a non ALi northbridge |
| 24 | * Don't flip undefined bits on newer chipsets (fix Fujitsu laptop hang) |
| 25 | * Allow UDMA6 on revisions > 0xC4 |
| 26 | * |
| 27 | * Documentation |
| 28 | * Chipset documentation available under NDA only |
| 29 | * |
| 30 | */ |
| 31 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #include <linux/module.h> |
| 33 | #include <linux/types.h> |
| 34 | #include <linux/kernel.h> |
| 35 | #include <linux/pci.h> |
| 36 | #include <linux/delay.h> |
| 37 | #include <linux/hdreg.h> |
| 38 | #include <linux/ide.h> |
| 39 | #include <linux/init.h> |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 40 | #include <linux/dmi.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | #include <asm/io.h> |
| 43 | |
| 44 | #define DISPLAY_ALI_TIMINGS |
| 45 | |
| 46 | /* |
| 47 | * ALi devices are not plug in. Otherwise these static values would |
| 48 | * need to go. They ought to go away anyway |
| 49 | */ |
| 50 | |
| 51 | static u8 m5229_revision; |
| 52 | static u8 chip_is_1543c_e; |
| 53 | static struct pci_dev *isa_dev; |
| 54 | |
Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 55 | #if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #include <linux/stat.h> |
| 57 | #include <linux/proc_fs.h> |
| 58 | |
| 59 | static u8 ali_proc = 0; |
| 60 | |
| 61 | static struct pci_dev *bmide_dev; |
| 62 | |
| 63 | static char *fifo[4] = { |
| 64 | "FIFO Off", |
| 65 | "FIFO On ", |
| 66 | "DMA mode", |
| 67 | "PIO mode" }; |
| 68 | |
| 69 | static char *udmaT[8] = { |
| 70 | "1.5T", |
| 71 | " 2T", |
| 72 | "2.5T", |
| 73 | " 3T", |
| 74 | "3.5T", |
| 75 | " 4T", |
| 76 | " 6T", |
| 77 | " 8T" |
| 78 | }; |
| 79 | |
| 80 | static char *channel_status[8] = { |
| 81 | "OK ", |
| 82 | "busy ", |
| 83 | "DRQ ", |
| 84 | "DRQ busy ", |
| 85 | "error ", |
| 86 | "error busy ", |
| 87 | "error DRQ ", |
| 88 | "error DRQ busy" |
| 89 | }; |
| 90 | |
| 91 | /** |
| 92 | * ali_get_info - generate proc file for ALi IDE |
| 93 | * @buffer: buffer to fill |
| 94 | * @addr: address of user start in buffer |
| 95 | * @offset: offset into 'file' |
| 96 | * @count: buffer count |
| 97 | * |
| 98 | * Walks the Ali devices and outputs summary data on the tuning and |
| 99 | * anything else that will help with debugging |
| 100 | */ |
| 101 | |
| 102 | static int ali_get_info (char *buffer, char **addr, off_t offset, int count) |
| 103 | { |
| 104 | unsigned long bibma; |
| 105 | u8 reg53h, reg5xh, reg5yh, reg5xh1, reg5yh1, c0, c1, rev, tmp; |
| 106 | char *q, *p = buffer; |
| 107 | |
| 108 | /* fetch rev. */ |
| 109 | pci_read_config_byte(bmide_dev, 0x08, &rev); |
| 110 | if (rev >= 0xc1) /* M1543C or newer */ |
| 111 | udmaT[7] = " ???"; |
| 112 | else |
| 113 | fifo[3] = " ??? "; |
| 114 | |
| 115 | /* first fetch bibma: */ |
| 116 | |
| 117 | bibma = pci_resource_start(bmide_dev, 4); |
| 118 | |
| 119 | /* |
| 120 | * at that point bibma+0x2 et bibma+0xa are byte |
| 121 | * registers to investigate: |
| 122 | */ |
| 123 | c0 = inb(bibma + 0x02); |
| 124 | c1 = inb(bibma + 0x0a); |
| 125 | |
| 126 | p += sprintf(p, |
| 127 | "\n Ali M15x3 Chipset.\n"); |
| 128 | p += sprintf(p, |
| 129 | " ------------------\n"); |
| 130 | pci_read_config_byte(bmide_dev, 0x78, ®53h); |
| 131 | p += sprintf(p, "PCI Clock: %d.\n", reg53h); |
| 132 | |
| 133 | pci_read_config_byte(bmide_dev, 0x53, ®53h); |
| 134 | p += sprintf(p, |
| 135 | "CD_ROM FIFO:%s, CD_ROM DMA:%s\n", |
| 136 | (reg53h & 0x02) ? "Yes" : "No ", |
| 137 | (reg53h & 0x01) ? "Yes" : "No " ); |
| 138 | pci_read_config_byte(bmide_dev, 0x74, ®53h); |
| 139 | p += sprintf(p, |
| 140 | "FIFO Status: contains %d Words, runs%s%s\n\n", |
| 141 | (reg53h & 0x3f), |
| 142 | (reg53h & 0x40) ? " OVERWR" : "", |
| 143 | (reg53h & 0x80) ? " OVERRD." : "." ); |
| 144 | |
| 145 | p += sprintf(p, |
| 146 | "-------------------primary channel" |
| 147 | "-------------------secondary channel" |
| 148 | "---------\n\n"); |
| 149 | |
| 150 | pci_read_config_byte(bmide_dev, 0x09, ®53h); |
| 151 | p += sprintf(p, |
| 152 | "channel status: %s" |
| 153 | " %s\n", |
| 154 | (reg53h & 0x20) ? "On " : "Off", |
| 155 | (reg53h & 0x10) ? "On " : "Off" ); |
| 156 | |
| 157 | p += sprintf(p, |
| 158 | "both channels togth: %s" |
| 159 | " %s\n", |
| 160 | (c0&0x80) ? "No " : "Yes", |
| 161 | (c1&0x80) ? "No " : "Yes" ); |
| 162 | |
| 163 | pci_read_config_byte(bmide_dev, 0x76, ®53h); |
| 164 | p += sprintf(p, |
| 165 | "Channel state: %s %s\n", |
| 166 | channel_status[reg53h & 0x07], |
| 167 | channel_status[(reg53h & 0x70) >> 4] ); |
| 168 | |
| 169 | pci_read_config_byte(bmide_dev, 0x58, ®5xh); |
| 170 | pci_read_config_byte(bmide_dev, 0x5c, ®5yh); |
| 171 | p += sprintf(p, |
| 172 | "Add. Setup Timing: %dT" |
| 173 | " %dT\n", |
| 174 | (reg5xh & 0x07) ? (reg5xh & 0x07) : 8, |
| 175 | (reg5yh & 0x07) ? (reg5yh & 0x07) : 8 ); |
| 176 | |
| 177 | pci_read_config_byte(bmide_dev, 0x59, ®5xh); |
| 178 | pci_read_config_byte(bmide_dev, 0x5d, ®5yh); |
| 179 | p += sprintf(p, |
| 180 | "Command Act. Count: %dT" |
| 181 | " %dT\n" |
| 182 | "Command Rec. Count: %dT" |
| 183 | " %dT\n\n", |
| 184 | (reg5xh & 0x70) ? ((reg5xh & 0x70) >> 4) : 8, |
| 185 | (reg5yh & 0x70) ? ((reg5yh & 0x70) >> 4) : 8, |
| 186 | (reg5xh & 0x0f) ? (reg5xh & 0x0f) : 16, |
| 187 | (reg5yh & 0x0f) ? (reg5yh & 0x0f) : 16 ); |
| 188 | |
| 189 | p += sprintf(p, |
| 190 | "----------------drive0-----------drive1" |
| 191 | "------------drive0-----------drive1------\n\n"); |
| 192 | p += sprintf(p, |
| 193 | "DMA enabled: %s %s" |
| 194 | " %s %s\n", |
| 195 | (c0&0x20) ? "Yes" : "No ", |
| 196 | (c0&0x40) ? "Yes" : "No ", |
| 197 | (c1&0x20) ? "Yes" : "No ", |
| 198 | (c1&0x40) ? "Yes" : "No " ); |
| 199 | |
| 200 | pci_read_config_byte(bmide_dev, 0x54, ®5xh); |
| 201 | pci_read_config_byte(bmide_dev, 0x55, ®5yh); |
| 202 | q = "FIFO threshold: %2d Words %2d Words" |
| 203 | " %2d Words %2d Words\n"; |
| 204 | if (rev < 0xc1) { |
| 205 | if ((rev == 0x20) && |
| 206 | (pci_read_config_byte(bmide_dev, 0x4f, &tmp), (tmp &= 0x20))) { |
| 207 | p += sprintf(p, q, 8, 8, 8, 8); |
| 208 | } else { |
| 209 | p += sprintf(p, q, |
| 210 | (reg5xh & 0x03) + 12, |
| 211 | ((reg5xh & 0x30)>>4) + 12, |
| 212 | (reg5yh & 0x03) + 12, |
| 213 | ((reg5yh & 0x30)>>4) + 12 ); |
| 214 | } |
| 215 | } else { |
| 216 | int t1 = (tmp = (reg5xh & 0x03)) ? (tmp << 3) : 4; |
| 217 | int t2 = (tmp = ((reg5xh & 0x30)>>4)) ? (tmp << 3) : 4; |
| 218 | int t3 = (tmp = (reg5yh & 0x03)) ? (tmp << 3) : 4; |
| 219 | int t4 = (tmp = ((reg5yh & 0x30)>>4)) ? (tmp << 3) : 4; |
| 220 | p += sprintf(p, q, t1, t2, t3, t4); |
| 221 | } |
| 222 | |
| 223 | #if 0 |
| 224 | p += sprintf(p, |
| 225 | "FIFO threshold: %2d Words %2d Words" |
| 226 | " %2d Words %2d Words\n", |
| 227 | (reg5xh & 0x03) + 12, |
| 228 | ((reg5xh & 0x30)>>4) + 12, |
| 229 | (reg5yh & 0x03) + 12, |
| 230 | ((reg5yh & 0x30)>>4) + 12 ); |
| 231 | #endif |
| 232 | |
| 233 | p += sprintf(p, |
| 234 | "FIFO mode: %s %s %s %s\n", |
| 235 | fifo[((reg5xh & 0x0c) >> 2)], |
| 236 | fifo[((reg5xh & 0xc0) >> 6)], |
| 237 | fifo[((reg5yh & 0x0c) >> 2)], |
| 238 | fifo[((reg5yh & 0xc0) >> 6)] ); |
| 239 | |
| 240 | pci_read_config_byte(bmide_dev, 0x5a, ®5xh); |
| 241 | pci_read_config_byte(bmide_dev, 0x5b, ®5xh1); |
| 242 | pci_read_config_byte(bmide_dev, 0x5e, ®5yh); |
| 243 | pci_read_config_byte(bmide_dev, 0x5f, ®5yh1); |
| 244 | |
| 245 | p += sprintf(p,/* |
| 246 | "------------------drive0-----------drive1" |
| 247 | "------------drive0-----------drive1------\n")*/ |
| 248 | "Dt RW act. Cnt %2dT %2dT" |
| 249 | " %2dT %2dT\n" |
| 250 | "Dt RW rec. Cnt %2dT %2dT" |
| 251 | " %2dT %2dT\n\n", |
| 252 | (reg5xh & 0x70) ? ((reg5xh & 0x70) >> 4) : 8, |
| 253 | (reg5xh1 & 0x70) ? ((reg5xh1 & 0x70) >> 4) : 8, |
| 254 | (reg5yh & 0x70) ? ((reg5yh & 0x70) >> 4) : 8, |
| 255 | (reg5yh1 & 0x70) ? ((reg5yh1 & 0x70) >> 4) : 8, |
| 256 | (reg5xh & 0x0f) ? (reg5xh & 0x0f) : 16, |
| 257 | (reg5xh1 & 0x0f) ? (reg5xh1 & 0x0f) : 16, |
| 258 | (reg5yh & 0x0f) ? (reg5yh & 0x0f) : 16, |
| 259 | (reg5yh1 & 0x0f) ? (reg5yh1 & 0x0f) : 16 ); |
| 260 | |
| 261 | p += sprintf(p, |
| 262 | "-----------------------------------UDMA Timings" |
| 263 | "--------------------------------\n\n"); |
| 264 | |
| 265 | pci_read_config_byte(bmide_dev, 0x56, ®5xh); |
| 266 | pci_read_config_byte(bmide_dev, 0x57, ®5yh); |
| 267 | p += sprintf(p, |
| 268 | "UDMA: %s %s" |
| 269 | " %s %s\n" |
| 270 | "UDMA timings: %s %s" |
| 271 | " %s %s\n\n", |
| 272 | (reg5xh & 0x08) ? "OK" : "No", |
| 273 | (reg5xh & 0x80) ? "OK" : "No", |
| 274 | (reg5yh & 0x08) ? "OK" : "No", |
| 275 | (reg5yh & 0x80) ? "OK" : "No", |
| 276 | udmaT[(reg5xh & 0x07)], |
| 277 | udmaT[(reg5xh & 0x70) >> 4], |
| 278 | udmaT[reg5yh & 0x07], |
| 279 | udmaT[(reg5yh & 0x70) >> 4] ); |
| 280 | |
| 281 | return p-buffer; /* => must be less than 4k! */ |
| 282 | } |
Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 283 | #endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | |
| 285 | /** |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 286 | * ali_set_pio_mode - set host controller for PIO mode |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 287 | * @drive: drive |
| 288 | * @pio: PIO mode number |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | * |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 290 | * Program the controller for the given PIO mode. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | */ |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 292 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 293 | static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | ide_hwif_t *hwif = HWIF(drive); |
| 296 | struct pci_dev *dev = hwif->pci_dev; |
| 297 | int s_time, a_time, c_time; |
| 298 | u8 s_clc, a_clc, r_clc; |
| 299 | unsigned long flags; |
| 300 | int bus_speed = system_bus_clock(); |
| 301 | int port = hwif->channel ? 0x5c : 0x58; |
| 302 | int portFIFO = hwif->channel ? 0x55 : 0x54; |
| 303 | u8 cd_dma_fifo = 0; |
| 304 | int unit = drive->select.b.unit & 1; |
| 305 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | s_time = ide_pio_timings[pio].setup_time; |
| 307 | a_time = ide_pio_timings[pio].active_time; |
| 308 | if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8) |
| 309 | s_clc = 0; |
| 310 | if ((a_clc = (a_time * bus_speed + 999) / 1000) >= 8) |
| 311 | a_clc = 0; |
| 312 | c_time = ide_pio_timings[pio].cycle_time; |
| 313 | |
| 314 | #if 0 |
| 315 | if ((r_clc = ((c_time - s_time - a_time) * bus_speed + 999) / 1000) >= 16) |
| 316 | r_clc = 0; |
| 317 | #endif |
| 318 | |
| 319 | if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) { |
| 320 | r_clc = 1; |
| 321 | } else { |
| 322 | if (r_clc >= 16) |
| 323 | r_clc = 0; |
| 324 | } |
| 325 | local_irq_save(flags); |
| 326 | |
| 327 | /* |
| 328 | * PIO mode => ATA FIFO on, ATAPI FIFO off |
| 329 | */ |
| 330 | pci_read_config_byte(dev, portFIFO, &cd_dma_fifo); |
| 331 | if (drive->media==ide_disk) { |
| 332 | if (unit) { |
| 333 | pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0x0F) | 0x50); |
| 334 | } else { |
| 335 | pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0xF0) | 0x05); |
| 336 | } |
| 337 | } else { |
| 338 | if (unit) { |
| 339 | pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0x0F); |
| 340 | } else { |
| 341 | pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0xF0); |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | pci_write_config_byte(dev, port, s_clc); |
| 346 | pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc); |
| 347 | local_irq_restore(flags); |
| 348 | |
| 349 | /* |
| 350 | * setup active rec |
| 351 | * { 70, 165, 365 }, PIO Mode 0 |
| 352 | * { 50, 125, 208 }, PIO Mode 1 |
| 353 | * { 30, 100, 110 }, PIO Mode 2 |
| 354 | * { 30, 80, 70 }, PIO Mode 3 with IORDY |
| 355 | * { 25, 70, 25 }, PIO Mode 4 with IORDY ns |
| 356 | * { 20, 50, 30 } PIO Mode 5 with IORDY (nonstandard) |
| 357 | */ |
Sergei Shtylyov | 21b8247 | 2007-03-03 17:48:52 +0100 | [diff] [blame] | 358 | } |
| 359 | |
| 360 | /** |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 361 | * ali_udma_filter - compute UDMA mask |
| 362 | * @drive: IDE device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | * |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 364 | * Return available UDMA modes. |
| 365 | * |
| 366 | * The actual rules for the ALi are: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | * No UDMA on revisions <= 0x20 |
| 368 | * Disk only for revisions < 0xC2 |
| 369 | * Not WDC drives for revisions < 0xC2 |
| 370 | * |
| 371 | * FIXME: WDC ifdef needs to die |
| 372 | */ |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 373 | |
| 374 | static u8 ali_udma_filter(ide_drive_t *drive) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | { |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 376 | if (m5229_revision > 0x20 && m5229_revision < 0xC2) { |
| 377 | if (drive->media != ide_disk) |
| 378 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | #ifndef CONFIG_WDC_ALI15X3 |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 380 | if (chip_is_1543c_e && strstr(drive->id->model, "WDC ")) |
| 381 | return 0; |
| 382 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | } |
| 384 | |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 385 | return drive->hwif->ultra_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | /** |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 389 | * ali_set_dma_mode - set host controller for DMA mode |
| 390 | * @drive: drive |
| 391 | * @speed: DMA mode |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | * |
| 393 | * Configure the hardware for the desired IDE transfer mode. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | */ |
Bartlomiej Zolnierkiewicz | f212ff2 | 2007-10-11 23:53:59 +0200 | [diff] [blame] | 395 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 396 | static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | { |
| 398 | ide_hwif_t *hwif = HWIF(drive); |
| 399 | struct pci_dev *dev = hwif->pci_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | u8 speed1 = speed; |
| 401 | u8 unit = (drive->select.b.unit & 0x01); |
| 402 | u8 tmpbyte = 0x00; |
| 403 | int m5229_udma = (hwif->channel) ? 0x57 : 0x56; |
| 404 | |
Bartlomiej Zolnierkiewicz | a6fe837 | 2007-10-11 23:54:01 +0200 | [diff] [blame] | 405 | if (speed < XFER_PIO_0) |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 406 | return; |
Bartlomiej Zolnierkiewicz | a6fe837 | 2007-10-11 23:54:01 +0200 | [diff] [blame] | 407 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | if (speed == XFER_UDMA_6) |
| 409 | speed1 = 0x47; |
| 410 | |
| 411 | if (speed < XFER_UDMA_0) { |
| 412 | u8 ultra_enable = (unit) ? 0x7f : 0xf7; |
| 413 | /* |
| 414 | * clear "ultra enable" bit |
| 415 | */ |
| 416 | pci_read_config_byte(dev, m5229_udma, &tmpbyte); |
| 417 | tmpbyte &= ultra_enable; |
| 418 | pci_write_config_byte(dev, m5229_udma, tmpbyte); |
| 419 | |
Bartlomiej Zolnierkiewicz | a6fe837 | 2007-10-11 23:54:01 +0200 | [diff] [blame] | 420 | /* |
| 421 | * FIXME: Oh, my... DMA timings are never set. |
| 422 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | } else { |
| 424 | pci_read_config_byte(dev, m5229_udma, &tmpbyte); |
| 425 | tmpbyte &= (0x0f << ((1-unit) << 2)); |
| 426 | /* |
| 427 | * enable ultra dma and set timing |
| 428 | */ |
| 429 | tmpbyte |= ((0x08 | ((4-speed1)&0x07)) << (unit << 2)); |
| 430 | pci_write_config_byte(dev, m5229_udma, tmpbyte); |
| 431 | if (speed >= XFER_UDMA_3) { |
| 432 | pci_read_config_byte(dev, 0x4b, &tmpbyte); |
| 433 | tmpbyte |= 1; |
| 434 | pci_write_config_byte(dev, 0x4b, tmpbyte); |
| 435 | } |
| 436 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | } |
| 438 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | * ali15x3_dma_setup - begin a DMA phase |
| 441 | * @drive: target device |
| 442 | * |
| 443 | * Returns 1 if the DMA cannot be performed, zero on success. |
| 444 | */ |
| 445 | |
| 446 | static int ali15x3_dma_setup(ide_drive_t *drive) |
| 447 | { |
| 448 | if (m5229_revision < 0xC2 && drive->media != ide_disk) { |
| 449 | if (rq_data_dir(drive->hwif->hwgroup->rq)) |
| 450 | return 1; /* try PIO instead of DMA */ |
| 451 | } |
| 452 | return ide_dma_setup(drive); |
| 453 | } |
| 454 | |
| 455 | /** |
| 456 | * init_chipset_ali15x3 - Initialise an ALi IDE controller |
| 457 | * @dev: PCI device |
| 458 | * @name: Name of the controller |
| 459 | * |
| 460 | * This function initializes the ALI IDE controller and where |
| 461 | * appropriate also sets up the 1533 southbridge. |
| 462 | */ |
| 463 | |
Herbert Xu | c2f1258 | 2005-07-03 16:06:13 +0200 | [diff] [blame] | 464 | static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const char *name) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | { |
| 466 | unsigned long flags; |
| 467 | u8 tmpbyte; |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 468 | struct pci_dev *north = pci_get_slot(dev->bus, PCI_DEVFN(0,0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 470 | m5229_revision = dev->revision; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 472 | isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | |
Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 474 | #if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | if (!ali_proc) { |
| 476 | ali_proc = 1; |
| 477 | bmide_dev = dev; |
| 478 | ide_pci_create_host_proc("ali", ali_get_info); |
| 479 | } |
Bartlomiej Zolnierkiewicz | ecfd80e | 2007-05-10 00:01:09 +0200 | [diff] [blame] | 480 | #endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | |
| 482 | local_irq_save(flags); |
| 483 | |
| 484 | if (m5229_revision < 0xC2) { |
| 485 | /* |
| 486 | * revision 0x20 (1543-E, 1543-F) |
| 487 | * revision 0xC0, 0xC1 (1543C-C, 1543C-D, 1543C-E) |
| 488 | * clear CD-ROM DMA write bit, m5229, 0x4b, bit 7 |
| 489 | */ |
| 490 | pci_read_config_byte(dev, 0x4b, &tmpbyte); |
| 491 | /* |
| 492 | * clear bit 7 |
| 493 | */ |
| 494 | pci_write_config_byte(dev, 0x4b, tmpbyte & 0x7F); |
Bartlomiej Zolnierkiewicz | cad221a | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 495 | /* |
| 496 | * check m1533, 0x5e, bit 1~4 == 1001 => & 00011110 = 00010010 |
| 497 | */ |
| 498 | if (m5229_revision >= 0x20 && isa_dev) { |
| 499 | pci_read_config_byte(isa_dev, 0x5e, &tmpbyte); |
| 500 | chip_is_1543c_e = ((tmpbyte & 0x1e) == 0x12) ? 1: 0; |
| 501 | } |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 502 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | } |
| 504 | |
| 505 | /* |
| 506 | * 1543C-B?, 1535, 1535D, 1553 |
| 507 | * Note 1: not all "motherboard" support this detection |
| 508 | * Note 2: if no udma 66 device, the detection may "error". |
| 509 | * but in this case, we will not set the device to |
| 510 | * ultra 66, the detection result is not important |
| 511 | */ |
| 512 | |
| 513 | /* |
| 514 | * enable "Cable Detection", m5229, 0x4b, bit3 |
| 515 | */ |
| 516 | pci_read_config_byte(dev, 0x4b, &tmpbyte); |
| 517 | pci_write_config_byte(dev, 0x4b, tmpbyte | 0x08); |
| 518 | |
| 519 | /* |
| 520 | * We should only tune the 1533 enable if we are using an ALi |
| 521 | * North bridge. We might have no north found on some zany |
| 522 | * box without a device at 0:0.0. The ALi bridge will be at |
| 523 | * 0:0.0 so if we didn't find one we know what is cooking. |
| 524 | */ |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 525 | if (north && north->vendor != PCI_VENDOR_ID_AL) |
| 526 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | |
| 528 | if (m5229_revision < 0xC5 && isa_dev) |
| 529 | { |
| 530 | /* |
| 531 | * set south-bridge's enable bit, m1533, 0x79 |
| 532 | */ |
| 533 | |
| 534 | pci_read_config_byte(isa_dev, 0x79, &tmpbyte); |
| 535 | if (m5229_revision == 0xC2) { |
| 536 | /* |
| 537 | * 1543C-B0 (m1533, 0x79, bit 2) |
| 538 | */ |
| 539 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x04); |
| 540 | } else if (m5229_revision >= 0xC3) { |
| 541 | /* |
| 542 | * 1553/1535 (m1533, 0x79, bit 1) |
| 543 | */ |
| 544 | pci_write_config_byte(isa_dev, 0x79, tmpbyte | 0x02); |
| 545 | } |
| 546 | } |
Bartlomiej Zolnierkiewicz | cad221a | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 547 | |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 548 | out: |
Bartlomiej Zolnierkiewicz | cad221a | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 549 | /* |
| 550 | * CD_ROM DMA on (m5229, 0x53, bit0) |
| 551 | * Enable this bit even if we want to use PIO. |
| 552 | * PIO FIFO off (m5229, 0x53, bit1) |
| 553 | * The hardware will use 0x54h and 0x55h to control PIO FIFO. |
| 554 | * (Not on later devices it seems) |
| 555 | * |
| 556 | * 0x53 changes meaning on later revs - we must no touch |
| 557 | * bit 1 on them. Need to check if 0x20 is the right break. |
| 558 | */ |
| 559 | if (m5229_revision >= 0x20) { |
| 560 | pci_read_config_byte(dev, 0x53, &tmpbyte); |
| 561 | |
| 562 | if (m5229_revision <= 0x20) |
| 563 | tmpbyte = (tmpbyte & (~0x02)) | 0x01; |
| 564 | else if (m5229_revision == 0xc7 || m5229_revision == 0xc8) |
| 565 | tmpbyte |= 0x03; |
| 566 | else |
| 567 | tmpbyte |= 0x01; |
| 568 | |
| 569 | pci_write_config_byte(dev, 0x53, tmpbyte); |
| 570 | } |
Alan Cox | b148900 | 2006-12-08 02:39:58 -0800 | [diff] [blame] | 571 | pci_dev_put(north); |
| 572 | pci_dev_put(isa_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | local_irq_restore(flags); |
| 574 | return 0; |
| 575 | } |
| 576 | |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 577 | /* |
| 578 | * Cable special cases |
| 579 | */ |
| 580 | |
Jeff Garzik | 1855256 | 2007-10-03 15:15:40 -0400 | [diff] [blame] | 581 | static const struct dmi_system_id cable_dmi_table[] = { |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 582 | { |
| 583 | .ident = "HP Pavilion N5430", |
| 584 | .matches = { |
| 585 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Bartlomiej Zolnierkiewicz | 8663fd6 | 2007-08-01 23:46:43 +0200 | [diff] [blame] | 586 | DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"), |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 587 | }, |
| 588 | }, |
Daniel Exner | 03e6f48 | 2007-09-11 22:28:36 +0200 | [diff] [blame] | 589 | { |
| 590 | .ident = "Toshiba Satellite S1800-814", |
| 591 | .matches = { |
| 592 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 593 | DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"), |
| 594 | }, |
| 595 | }, |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 596 | { } |
| 597 | }; |
| 598 | |
| 599 | static int ali_cable_override(struct pci_dev *pdev) |
| 600 | { |
| 601 | /* Fujitsu P2000 */ |
| 602 | if (pdev->subsystem_vendor == 0x10CF && |
| 603 | pdev->subsystem_device == 0x10AF) |
| 604 | return 1; |
| 605 | |
Bartlomiej Zolnierkiewicz | d151456 | 2007-11-27 21:35:56 +0100 | [diff] [blame] | 606 | /* Mitac 8317 (Winbook-A) and relatives */ |
| 607 | if (pdev->subsystem_vendor == 0x1071 && |
| 608 | pdev->subsystem_device == 0x8317) |
| 609 | return 1; |
| 610 | |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 611 | /* Systems by DMI */ |
| 612 | if (dmi_check_system(cable_dmi_table)) |
| 613 | return 1; |
| 614 | |
| 615 | return 0; |
| 616 | } |
| 617 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | /** |
| 619 | * ata66_ali15x3 - check for UDMA 66 support |
| 620 | * @hwif: IDE interface |
| 621 | * |
| 622 | * This checks if the controller and the cable are capable |
| 623 | * of UDMA66 transfers. It doesn't check the drives. |
| 624 | * But see note 2 below! |
| 625 | * |
| 626 | * FIXME: frobs bits that are not defined on newer ALi devicea |
| 627 | */ |
| 628 | |
Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 629 | static u8 __devinit ata66_ali15x3(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | { |
| 631 | struct pci_dev *dev = hwif->pci_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | unsigned long flags; |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 633 | u8 cbl = ATA_CBL_PATA40, tmpbyte; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | |
| 635 | local_irq_save(flags); |
| 636 | |
| 637 | if (m5229_revision >= 0xC2) { |
| 638 | /* |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 639 | * m5229 80-pin cable detection (from Host View) |
| 640 | * |
| 641 | * 0x4a bit0 is 0 => primary channel has 80-pin |
| 642 | * 0x4a bit1 is 0 => secondary channel has 80-pin |
| 643 | * |
| 644 | * Certain laptops use short but suitable cables |
| 645 | * and don't implement the detect logic. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | */ |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 647 | if (ali_cable_override(dev)) |
| 648 | cbl = ATA_CBL_PATA40_SHORT; |
| 649 | else { |
| 650 | pci_read_config_byte(dev, 0x4a, &tmpbyte); |
| 651 | if ((tmpbyte & (1 << hwif->channel)) == 0) |
| 652 | cbl = ATA_CBL_PATA80; |
| 653 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | } |
| 655 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | local_irq_restore(flags); |
| 657 | |
Bartlomiej Zolnierkiewicz | 95ba8c1 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 658 | return cbl; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | /** |
| 662 | * init_hwif_common_ali15x3 - Set up ALI IDE hardware |
| 663 | * @hwif: IDE interface |
| 664 | * |
| 665 | * Initialize the IDE structure side of the ALi 15x3 driver. |
| 666 | */ |
| 667 | |
Herbert Xu | c2f1258 | 2005-07-03 16:06:13 +0200 | [diff] [blame] | 668 | static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | { |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 670 | hwif->set_pio_mode = &ali_set_pio_mode; |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 671 | hwif->set_dma_mode = &ali_set_dma_mode; |
Bartlomiej Zolnierkiewicz | 2d5eaa6 | 2007-05-10 00:01:08 +0200 | [diff] [blame] | 672 | hwif->udma_filter = &ali_udma_filter; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | |
Bartlomiej Zolnierkiewicz | 93c6807 | 2007-10-19 00:30:11 +0200 | [diff] [blame] | 674 | if (hwif->dma_base == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | |
Bartlomiej Zolnierkiewicz | 99149a4 | 2007-10-13 17:47:53 +0200 | [diff] [blame] | 677 | hwif->dma_setup = &ali15x3_dma_setup; |
Bartlomiej Zolnierkiewicz | 49521f9 | 2007-07-09 23:17:58 +0200 | [diff] [blame] | 678 | |
Bartlomiej Zolnierkiewicz | 99149a4 | 2007-10-13 17:47:53 +0200 | [diff] [blame] | 679 | if (hwif->cbl != ATA_CBL_PATA40_SHORT) |
| 680 | hwif->cbl = ata66_ali15x3(hwif); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | /** |
| 684 | * init_hwif_ali15x3 - Initialize the ALI IDE x86 stuff |
| 685 | * @hwif: interface to configure |
| 686 | * |
| 687 | * Obtain the IRQ tables for an ALi based IDE solution on the PC |
| 688 | * class platforms. This part of the code isn't applicable to the |
| 689 | * Sparc systems |
| 690 | */ |
| 691 | |
Herbert Xu | c2f1258 | 2005-07-03 16:06:13 +0200 | [diff] [blame] | 692 | static void __devinit init_hwif_ali15x3 (ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | { |
| 694 | u8 ideic, inmir; |
| 695 | s8 irq_routing_table[] = { -1, 9, 3, 10, 4, 5, 7, 6, |
| 696 | 1, 11, 0, 12, 0, 14, 0, 15 }; |
| 697 | int irq = -1; |
| 698 | |
| 699 | if (hwif->pci_dev->device == PCI_DEVICE_ID_AL_M5229) |
| 700 | hwif->irq = hwif->channel ? 15 : 14; |
| 701 | |
| 702 | if (isa_dev) { |
| 703 | /* |
| 704 | * read IDE interface control |
| 705 | */ |
| 706 | pci_read_config_byte(isa_dev, 0x58, &ideic); |
| 707 | |
| 708 | /* bit0, bit1 */ |
| 709 | ideic = ideic & 0x03; |
| 710 | |
| 711 | /* get IRQ for IDE Controller */ |
| 712 | if ((hwif->channel && ideic == 0x03) || |
| 713 | (!hwif->channel && !ideic)) { |
| 714 | /* |
| 715 | * get SIRQ1 routing table |
| 716 | */ |
| 717 | pci_read_config_byte(isa_dev, 0x44, &inmir); |
| 718 | inmir = inmir & 0x0f; |
| 719 | irq = irq_routing_table[inmir]; |
| 720 | } else if (hwif->channel && !(ideic & 0x01)) { |
| 721 | /* |
| 722 | * get SIRQ2 routing table |
| 723 | */ |
| 724 | pci_read_config_byte(isa_dev, 0x75, &inmir); |
| 725 | inmir = inmir & 0x0f; |
| 726 | irq = irq_routing_table[inmir]; |
| 727 | } |
| 728 | if(irq >= 0) |
| 729 | hwif->irq = irq; |
| 730 | } |
| 731 | |
| 732 | init_hwif_common_ali15x3(hwif); |
| 733 | } |
| 734 | |
| 735 | /** |
| 736 | * init_dma_ali15x3 - set up DMA on ALi15x3 |
| 737 | * @hwif: IDE interface |
| 738 | * @dmabase: DMA interface base PCI address |
| 739 | * |
| 740 | * Set up the DMA functionality on the ALi 15x3. For the ALi |
| 741 | * controllers this is generic so we can let the generic code do |
| 742 | * the actual work. |
| 743 | */ |
| 744 | |
Herbert Xu | c2f1258 | 2005-07-03 16:06:13 +0200 | [diff] [blame] | 745 | static void __devinit init_dma_ali15x3 (ide_hwif_t *hwif, unsigned long dmabase) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | { |
| 747 | if (m5229_revision < 0x20) |
| 748 | return; |
Bartlomiej Zolnierkiewicz | 0ecdca2 | 2007-02-17 02:40:25 +0100 | [diff] [blame] | 749 | if (!hwif->channel) |
| 750 | outb(inb(dmabase + 2) & 0x60, dmabase + 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | ide_setup_dma(hwif, dmabase, 8); |
| 752 | } |
| 753 | |
Bartlomiej Zolnierkiewicz | 8562043 | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 754 | static const struct ide_port_info ali15x3_chipset __devinitdata = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 755 | .name = "ALI15X3", |
| 756 | .init_chipset = init_chipset_ali15x3, |
| 757 | .init_hwif = init_hwif_ali15x3, |
| 758 | .init_dma = init_dma_ali15x3, |
Bartlomiej Zolnierkiewicz | 7cab14a | 2007-10-19 00:30:06 +0200 | [diff] [blame] | 759 | .host_flags = IDE_HFLAG_BOOTABLE, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 760 | .pio_mask = ATA_PIO5, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 761 | .swdma_mask = ATA_SWDMA2, |
| 762 | .mwdma_mask = ATA_MWDMA2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 763 | }; |
| 764 | |
| 765 | /** |
| 766 | * alim15x3_init_one - set up an ALi15x3 IDE controller |
| 767 | * @dev: PCI device to set up |
| 768 | * |
| 769 | * Perform the actual set up for an ALi15x3 that has been found by the |
| 770 | * hot plug layer. |
| 771 | */ |
| 772 | |
| 773 | static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id) |
| 774 | { |
Hanna Linder | cc3f7ca | 2005-11-18 22:19:15 +0100 | [diff] [blame] | 775 | static struct pci_device_id ati_rs100[] = { |
| 776 | { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100) }, |
| 777 | { }, |
| 778 | }; |
| 779 | |
Bartlomiej Zolnierkiewicz | 039788e | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 780 | struct ide_port_info d = ali15x3_chipset; |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 781 | u8 rev = dev->revision; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | |
Hanna Linder | cc3f7ca | 2005-11-18 22:19:15 +0100 | [diff] [blame] | 783 | if (pci_dev_present(ati_rs100)) |
Alexey Dobriyan | 2fefef1 | 2005-11-18 22:22:21 +0100 | [diff] [blame] | 784 | printk(KERN_WARNING "alim15x3: ATI Radeon IGP Northbridge is not yet fully tested.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 786 | /* don't use LBA48 DMA on ALi devices before rev 0xC5 */ |
| 787 | if (rev <= 0xC4) |
| 788 | d.host_flags |= IDE_HFLAG_NO_LBA48_DMA; |
| 789 | |
| 790 | if (rev >= 0x20) { |
| 791 | if (rev == 0x20) |
| 792 | d.host_flags |= IDE_HFLAG_NO_ATAPI_DMA; |
| 793 | |
| 794 | if (rev < 0xC2) |
| 795 | d.udma_mask = ATA_UDMA2; |
| 796 | else if (rev == 0xC2 || rev == 0xC3) |
| 797 | d.udma_mask = ATA_UDMA4; |
| 798 | else if (rev == 0xC4) |
| 799 | d.udma_mask = ATA_UDMA5; |
| 800 | else |
| 801 | d.udma_mask = ATA_UDMA6; |
| 802 | } |
| 803 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 804 | #if defined(CONFIG_SPARC64) |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 805 | d.init_hwif = init_hwif_common_ali15x3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | #endif /* CONFIG_SPARC64 */ |
Bartlomiej Zolnierkiewicz | 2832830 | 2007-10-20 00:32:30 +0200 | [diff] [blame] | 807 | return ide_setup_pci_device(dev, &d); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | } |
| 809 | |
| 810 | |
Bartlomiej Zolnierkiewicz | 9cbcc5e | 2007-10-16 22:29:56 +0200 | [diff] [blame] | 811 | static const struct pci_device_id alim15x3_pci_tbl[] = { |
| 812 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), 0 }, |
| 813 | { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), 0 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 814 | { 0, }, |
| 815 | }; |
| 816 | MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl); |
| 817 | |
| 818 | static struct pci_driver driver = { |
| 819 | .name = "ALI15x3_IDE", |
| 820 | .id_table = alim15x3_pci_tbl, |
| 821 | .probe = alim15x3_init_one, |
| 822 | }; |
| 823 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 824 | static int __init ali15x3_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | { |
| 826 | return ide_pci_register_driver(&driver); |
| 827 | } |
| 828 | |
| 829 | module_init(ali15x3_ide_init); |
| 830 | |
| 831 | MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox"); |
| 832 | MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE"); |
| 833 | MODULE_LICENSE("GPL"); |