1 /* 2 * pata_ali.c - ALI 15x3 PATA for new ATA layer 3 * (C) 2005 Red Hat Inc 4 * Alan Cox <alan@redhat.com> 5 * 6 * based in part upon 7 * linux/drivers/ide/pci/alim15x3.c Version 0.17 2003/01/02 8 * 9 * Copyright (C) 1998-2000 Michel Aubry, Maintainer 10 * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer 11 * Copyright (C) 1999-2000 CJ, cjtsai@ali.com.tw, Maintainer 12 * 13 * Copyright (C) 1998-2000 Andre Hedrick (andre@linux-ide.org) 14 * May be copied or modified under the terms of the GNU General Public License 15 * Copyright (C) 2002 Alan Cox <alan@redhat.com> 16 * ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw> 17 * 18 * Documentation 19 * Chipset documentation available under NDA only 20 * 21 * TODO/CHECK 22 * Cannot have ATAPI on both master & slave for rev < c2 (???) but 23 * otherwise should do atapi DMA. 24 */ 25 26 #include <linux/kernel.h> 27 #include <linux/module.h> 28 #include <linux/pci.h> 29 #include <linux/init.h> 30 #include <linux/blkdev.h> 31 #include <linux/delay.h> 32 #include <scsi/scsi_host.h> 33 #include <linux/libata.h> 34 #include <linux/dmi.h> 35 36 #define DRV_NAME "pata_ali" 37 #define DRV_VERSION "0.7.5" 38 39 /* 40 * Cable special cases 41 */ 42 43 static const struct dmi_system_id cable_dmi_table[] = { 44 { 45 .ident = "HP Pavilion N5430", 46 .matches = { 47 DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), 48 DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"), 49 }, 50 }, 51 { 52 .ident = "Toshiba Satelite S1800-814", 53 .matches = { 54 DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), 55 DMI_MATCH(DMI_PRODUCT_NAME, "S1800-814"), 56 }, 57 }, 58 { } 59 }; 60 61 static int ali_cable_override(struct pci_dev *pdev) 62 { 63 /* Fujitsu P2000 */ 64 if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF) 65 return 1; 66 /* Systems by DMI */ 67 if (dmi_check_system(cable_dmi_table)) 68 return 1; 69 return 0; 70 } 71 72 /** 73 * ali_c2_cable_detect - cable detection 74 * @ap: ATA port 75 * 76 * Perform cable detection for C2 and later revisions 77 */ 78 79 static int ali_c2_cable_detect(struct ata_port *ap) 80 { 81 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 82 u8 ata66; 83 84 /* Certain laptops use short but suitable cables and don't 85 implement the detect logic */ 86 87 if (ali_cable_override(pdev)) 88 return ATA_CBL_PATA40_SHORT; 89 90 /* Host view cable detect 0x4A bit 0 primary bit 1 secondary 91 Bit set for 40 pin */ 92 pci_read_config_byte(pdev, 0x4A, &ata66); 93 if (ata66 & (1 << ap->port_no)) 94 return ATA_CBL_PATA40; 95 else 96 return ATA_CBL_PATA80; 97 } 98 99 /** 100 * ali_20_filter - filter for earlier ALI DMA 101 * @ap: ALi ATA port 102 * @adev: attached device 103 * 104 * Ensure that we do not do DMA on CD devices. We may be able to 105 * fix that later on. Also ensure we do not do UDMA on WDC drives 106 */ 107 108 static unsigned long ali_20_filter(struct ata_device *adev, unsigned long mask) 109 { 110 char model_num[ATA_ID_PROD_LEN + 1]; 111 /* No DMA on anything but a disk for now */ 112 if (adev->class != ATA_DEV_ATA) 113 mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); 114 ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); 115 if (strstr(model_num, "WDC")) 116 return mask &= ~ATA_MASK_UDMA; 117 return ata_pci_default_filter(adev, mask); 118 } 119 120 /** 121 * ali_fifo_control - FIFO manager 122 * @ap: ALi channel to control 123 * @adev: device for FIFO control 124 * @on: 0 for off 1 for on 125 * 126 * Enable or disable the FIFO on a given device. Because of the way the 127 * ALi FIFO works it provides a boost on ATA disk but can be confused by 128 * ATAPI and we must therefore manage it. 129 */ 130 131 static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int on) 132 { 133 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 134 int pio_fifo = 0x54 + ap->port_no; 135 u8 fifo; 136 int shift = 4 * adev->devno; 137 138 /* ATA - FIFO on set nibble to 0x05, ATAPI - FIFO off, set nibble to 139 0x00. Not all the docs agree but the behaviour we now use is the 140 one stated in the BIOS Programming Guide */ 141 142 pci_read_config_byte(pdev, pio_fifo, &fifo); 143 fifo &= ~(0x0F << shift); 144 if (on) 145 fifo |= (on << shift); 146 pci_write_config_byte(pdev, pio_fifo, fifo); 147 } 148 149 /** 150 * ali_program_modes - load mode registers 151 * @ap: ALi channel to load 152 * @adev: Device the timing is for 153 * @cmd: Command timing 154 * @data: Data timing 155 * @ultra: UDMA timing or zero for off 156 * 157 * Loads the timing registers for cmd/data and disable UDMA if 158 * ultra is zero. If ultra is set then load and enable the UDMA 159 * timing but do not touch the command/data timing. 160 */ 161 162 static void ali_program_modes(struct ata_port *ap, struct ata_device *adev, struct ata_timing *t, u8 ultra) 163 { 164 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 165 int cas = 0x58 + 4 * ap->port_no; /* Command timing */ 166 int cbt = 0x59 + 4 * ap->port_no; /* Command timing */ 167 int drwt = 0x5A + 4 * ap->port_no + adev->devno; /* R/W timing */ 168 int udmat = 0x56 + ap->port_no; /* UDMA timing */ 169 int shift = 4 * adev->devno; 170 u8 udma; 171 172 if (t != NULL) { 173 t->setup = FIT(t->setup, 1, 8) & 7; 174 t->act8b = FIT(t->act8b, 1, 8) & 7; 175 t->rec8b = FIT(t->rec8b, 1, 16) & 15; 176 t->active = FIT(t->active, 1, 8) & 7; 177 t->recover = FIT(t->recover, 1, 16) & 15; 178 179 pci_write_config_byte(pdev, cas, t->setup); 180 pci_write_config_byte(pdev, cbt, (t->act8b << 4) | t->rec8b); 181 pci_write_config_byte(pdev, drwt, (t->active << 4) | t->recover); 182 } 183 184 /* Set up the UDMA enable */ 185 pci_read_config_byte(pdev, udmat, &udma); 186 udma &= ~(0x0F << shift); 187 udma |= ultra << shift; 188 pci_write_config_byte(pdev, udmat, udma); 189 } 190 191 /** 192 * ali_set_piomode - set initial PIO mode data 193 * @ap: ATA interface 194 * @adev: ATA device 195 * 196 * Program the ALi registers for PIO mode. FIXME: add timings for 197 * PIO5. 198 */ 199 200 static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev) 201 { 202 struct ata_device *pair = ata_dev_pair(adev); 203 struct ata_timing t; 204 unsigned long T = 1000000000 / 33333; /* PCI clock based */ 205 206 ata_timing_compute(adev, adev->pio_mode, &t, T, 1); 207 if (pair) { 208 struct ata_timing p; 209 ata_timing_compute(pair, pair->pio_mode, &p, T, 1); 210 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 211 if (pair->dma_mode) { 212 ata_timing_compute(pair, pair->dma_mode, &p, T, 1); 213 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 214 } 215 } 216 217 /* PIO FIFO is only permitted on ATA disk */ 218 if (adev->class != ATA_DEV_ATA) 219 ali_fifo_control(ap, adev, 0x00); 220 ali_program_modes(ap, adev, &t, 0); 221 if (adev->class == ATA_DEV_ATA) 222 ali_fifo_control(ap, adev, 0x05); 223 224 } 225 226 /** 227 * ali_set_dmamode - set initial DMA mode data 228 * @ap: ATA interface 229 * @adev: ATA device 230 * 231 * FIXME: MWDMA timings 232 */ 233 234 static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev) 235 { 236 static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD }; 237 struct ata_device *pair = ata_dev_pair(adev); 238 struct ata_timing t; 239 unsigned long T = 1000000000 / 33333; /* PCI clock based */ 240 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 241 242 243 if (adev->class == ATA_DEV_ATA) 244 ali_fifo_control(ap, adev, 0x08); 245 246 if (adev->dma_mode >= XFER_UDMA_0) { 247 ali_program_modes(ap, adev, NULL, udma_timing[adev->dma_mode - XFER_UDMA_0]); 248 if (adev->dma_mode >= XFER_UDMA_3) { 249 u8 reg4b; 250 pci_read_config_byte(pdev, 0x4B, ®4b); 251 reg4b |= 1; 252 pci_write_config_byte(pdev, 0x4B, reg4b); 253 } 254 } else { 255 ata_timing_compute(adev, adev->dma_mode, &t, T, 1); 256 if (pair) { 257 struct ata_timing p; 258 ata_timing_compute(pair, pair->pio_mode, &p, T, 1); 259 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 260 if (pair->dma_mode) { 261 ata_timing_compute(pair, pair->dma_mode, &p, T, 1); 262 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 263 } 264 } 265 ali_program_modes(ap, adev, &t, 0); 266 } 267 } 268 269 /** 270 * ali_lock_sectors - Keep older devices to 255 sector mode 271 * @adev: Device 272 * 273 * Called during the bus probe for each device that is found. We use 274 * this call to lock the sector count of the device to 255 or less on 275 * older ALi controllers. If we didn't do this then large I/O's would 276 * require LBA48 commands which the older ALi requires are issued by 277 * slower PIO methods 278 */ 279 280 static void ali_lock_sectors(struct ata_device *adev) 281 { 282 adev->max_sectors = 255; 283 } 284 285 static struct scsi_host_template ali_sht = { 286 .module = THIS_MODULE, 287 .name = DRV_NAME, 288 .ioctl = ata_scsi_ioctl, 289 .queuecommand = ata_scsi_queuecmd, 290 .can_queue = ATA_DEF_QUEUE, 291 .this_id = ATA_SHT_THIS_ID, 292 .sg_tablesize = LIBATA_MAX_PRD, 293 .cmd_per_lun = ATA_SHT_CMD_PER_LUN, 294 .emulated = ATA_SHT_EMULATED, 295 .use_clustering = ATA_SHT_USE_CLUSTERING, 296 .proc_name = DRV_NAME, 297 .dma_boundary = ATA_DMA_BOUNDARY, 298 .slave_configure = ata_scsi_slave_config, 299 .slave_destroy = ata_scsi_slave_destroy, 300 .bios_param = ata_std_bios_param, 301 }; 302 303 /* 304 * Port operations for PIO only ALi 305 */ 306 307 static struct ata_port_operations ali_early_port_ops = { 308 .set_piomode = ali_set_piomode, 309 .tf_load = ata_tf_load, 310 .tf_read = ata_tf_read, 311 .check_status = ata_check_status, 312 .exec_command = ata_exec_command, 313 .dev_select = ata_std_dev_select, 314 315 .freeze = ata_bmdma_freeze, 316 .thaw = ata_bmdma_thaw, 317 .error_handler = ata_bmdma_error_handler, 318 .post_internal_cmd = ata_bmdma_post_internal_cmd, 319 .cable_detect = ata_cable_40wire, 320 321 .qc_prep = ata_qc_prep, 322 .qc_issue = ata_qc_issue_prot, 323 324 .data_xfer = ata_data_xfer, 325 326 .irq_handler = ata_interrupt, 327 .irq_clear = ata_bmdma_irq_clear, 328 .irq_on = ata_irq_on, 329 330 .port_start = ata_sff_port_start, 331 }; 332 333 /* 334 * Port operations for DMA capable ALi without cable 335 * detect 336 */ 337 static struct ata_port_operations ali_20_port_ops = { 338 .set_piomode = ali_set_piomode, 339 .set_dmamode = ali_set_dmamode, 340 .mode_filter = ali_20_filter, 341 342 .tf_load = ata_tf_load, 343 .tf_read = ata_tf_read, 344 .check_status = ata_check_status, 345 .exec_command = ata_exec_command, 346 .dev_select = ata_std_dev_select, 347 .dev_config = ali_lock_sectors, 348 349 .freeze = ata_bmdma_freeze, 350 .thaw = ata_bmdma_thaw, 351 .error_handler = ata_bmdma_error_handler, 352 .post_internal_cmd = ata_bmdma_post_internal_cmd, 353 .cable_detect = ata_cable_40wire, 354 355 .bmdma_setup = ata_bmdma_setup, 356 .bmdma_start = ata_bmdma_start, 357 .bmdma_stop = ata_bmdma_stop, 358 .bmdma_status = ata_bmdma_status, 359 360 .qc_prep = ata_qc_prep, 361 .qc_issue = ata_qc_issue_prot, 362 363 .data_xfer = ata_data_xfer, 364 365 .irq_handler = ata_interrupt, 366 .irq_clear = ata_bmdma_irq_clear, 367 .irq_on = ata_irq_on, 368 369 .port_start = ata_sff_port_start, 370 }; 371 372 /* 373 * Port operations for DMA capable ALi with cable detect 374 */ 375 static struct ata_port_operations ali_c2_port_ops = { 376 .set_piomode = ali_set_piomode, 377 .set_dmamode = ali_set_dmamode, 378 .mode_filter = ata_pci_default_filter, 379 .tf_load = ata_tf_load, 380 .tf_read = ata_tf_read, 381 .check_status = ata_check_status, 382 .exec_command = ata_exec_command, 383 .dev_select = ata_std_dev_select, 384 .dev_config = ali_lock_sectors, 385 386 .freeze = ata_bmdma_freeze, 387 .thaw = ata_bmdma_thaw, 388 .error_handler = ata_bmdma_error_handler, 389 .post_internal_cmd = ata_bmdma_post_internal_cmd, 390 .cable_detect = ali_c2_cable_detect, 391 392 .bmdma_setup = ata_bmdma_setup, 393 .bmdma_start = ata_bmdma_start, 394 .bmdma_stop = ata_bmdma_stop, 395 .bmdma_status = ata_bmdma_status, 396 397 .qc_prep = ata_qc_prep, 398 .qc_issue = ata_qc_issue_prot, 399 400 .data_xfer = ata_data_xfer, 401 402 .irq_handler = ata_interrupt, 403 .irq_clear = ata_bmdma_irq_clear, 404 .irq_on = ata_irq_on, 405 406 .port_start = ata_sff_port_start, 407 }; 408 409 /* 410 * Port operations for DMA capable ALi with cable detect and LBA48 411 */ 412 static struct ata_port_operations ali_c5_port_ops = { 413 .set_piomode = ali_set_piomode, 414 .set_dmamode = ali_set_dmamode, 415 .mode_filter = ata_pci_default_filter, 416 .tf_load = ata_tf_load, 417 .tf_read = ata_tf_read, 418 .check_status = ata_check_status, 419 .exec_command = ata_exec_command, 420 .dev_select = ata_std_dev_select, 421 422 .freeze = ata_bmdma_freeze, 423 .thaw = ata_bmdma_thaw, 424 .error_handler = ata_bmdma_error_handler, 425 .post_internal_cmd = ata_bmdma_post_internal_cmd, 426 .cable_detect = ali_c2_cable_detect, 427 428 .bmdma_setup = ata_bmdma_setup, 429 .bmdma_start = ata_bmdma_start, 430 .bmdma_stop = ata_bmdma_stop, 431 .bmdma_status = ata_bmdma_status, 432 433 .qc_prep = ata_qc_prep, 434 .qc_issue = ata_qc_issue_prot, 435 436 .data_xfer = ata_data_xfer, 437 438 .irq_handler = ata_interrupt, 439 .irq_clear = ata_bmdma_irq_clear, 440 .irq_on = ata_irq_on, 441 442 .port_start = ata_sff_port_start, 443 }; 444 445 446 /** 447 * ali_init_chipset - chip setup function 448 * @pdev: PCI device of ATA controller 449 * 450 * Perform the setup on the device that must be done both at boot 451 * and at resume time. 452 */ 453 454 static void ali_init_chipset(struct pci_dev *pdev) 455 { 456 u8 tmp; 457 struct pci_dev *north, *isa_bridge; 458 459 /* 460 * The chipset revision selects the driver operations and 461 * mode data. 462 */ 463 464 if (pdev->revision >= 0x20 && pdev->revision < 0xC2) { 465 /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ 466 pci_read_config_byte(pdev, 0x4B, &tmp); 467 /* Clear CD-ROM DMA write bit */ 468 tmp &= 0x7F; 469 pci_write_config_byte(pdev, 0x4B, tmp); 470 } else if (pdev->revision >= 0xC2) { 471 /* Enable cable detection logic */ 472 pci_read_config_byte(pdev, 0x4B, &tmp); 473 pci_write_config_byte(pdev, 0x4B, tmp | 0x08); 474 } 475 north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); 476 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); 477 478 if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) { 479 /* Configure the ALi bridge logic. For non ALi rely on BIOS. 480 Set the south bridge enable bit */ 481 pci_read_config_byte(isa_bridge, 0x79, &tmp); 482 if (pdev->revision == 0xC2) 483 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); 484 else if (pdev->revision > 0xC2 && pdev->revision < 0xC5) 485 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); 486 } 487 if (pdev->revision >= 0x20) { 488 /* 489 * CD_ROM DMA on (0x53 bit 0). Enable this even if we want 490 * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control 491 * via 0x54/55. 492 */ 493 pci_read_config_byte(pdev, 0x53, &tmp); 494 if (pdev->revision <= 0x20) 495 tmp &= ~0x02; 496 if (pdev->revision >= 0xc7) 497 tmp |= 0x03; 498 else 499 tmp |= 0x01; /* CD_ROM enable for DMA */ 500 pci_write_config_byte(pdev, 0x53, tmp); 501 } 502 pci_dev_put(isa_bridge); 503 pci_dev_put(north); 504 ata_pci_clear_simplex(pdev); 505 } 506 /** 507 * ali_init_one - discovery callback 508 * @pdev: PCI device ID 509 * @id: PCI table info 510 * 511 * An ALi IDE interface has been discovered. Figure out what revision 512 * and perform configuration work before handing it to the ATA layer 513 */ 514 515 static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 516 { 517 static const struct ata_port_info info_early = { 518 .sht = &ali_sht, 519 .flags = ATA_FLAG_SLAVE_POSS, 520 .pio_mask = 0x1f, 521 .port_ops = &ali_early_port_ops 522 }; 523 /* Revision 0x20 added DMA */ 524 static const struct ata_port_info info_20 = { 525 .sht = &ali_sht, 526 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 527 .pio_mask = 0x1f, 528 .mwdma_mask = 0x07, 529 .port_ops = &ali_20_port_ops 530 }; 531 /* Revision 0x20 with support logic added UDMA */ 532 static const struct ata_port_info info_20_udma = { 533 .sht = &ali_sht, 534 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 535 .pio_mask = 0x1f, 536 .mwdma_mask = 0x07, 537 .udma_mask = 0x07, /* UDMA33 */ 538 .port_ops = &ali_20_port_ops 539 }; 540 /* Revision 0xC2 adds UDMA66 */ 541 static const struct ata_port_info info_c2 = { 542 .sht = &ali_sht, 543 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 544 .pio_mask = 0x1f, 545 .mwdma_mask = 0x07, 546 .udma_mask = ATA_UDMA4, 547 .port_ops = &ali_c2_port_ops 548 }; 549 /* Revision 0xC3 is UDMA66 for now */ 550 static const struct ata_port_info info_c3 = { 551 .sht = &ali_sht, 552 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 553 .pio_mask = 0x1f, 554 .mwdma_mask = 0x07, 555 .udma_mask = ATA_UDMA4, 556 .port_ops = &ali_c2_port_ops 557 }; 558 /* Revision 0xC4 is UDMA100 */ 559 static const struct ata_port_info info_c4 = { 560 .sht = &ali_sht, 561 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 562 .pio_mask = 0x1f, 563 .mwdma_mask = 0x07, 564 .udma_mask = ATA_UDMA5, 565 .port_ops = &ali_c2_port_ops 566 }; 567 /* Revision 0xC5 is UDMA133 with LBA48 DMA */ 568 static const struct ata_port_info info_c5 = { 569 .sht = &ali_sht, 570 .flags = ATA_FLAG_SLAVE_POSS, 571 .pio_mask = 0x1f, 572 .mwdma_mask = 0x07, 573 .udma_mask = ATA_UDMA6, 574 .port_ops = &ali_c5_port_ops 575 }; 576 577 const struct ata_port_info *ppi[] = { NULL, NULL }; 578 u8 tmp; 579 struct pci_dev *isa_bridge; 580 581 /* 582 * The chipset revision selects the driver operations and 583 * mode data. 584 */ 585 586 if (pdev->revision < 0x20) { 587 ppi[0] = &info_early; 588 } else if (pdev->revision < 0xC2) { 589 ppi[0] = &info_20; 590 } else if (pdev->revision == 0xC2) { 591 ppi[0] = &info_c2; 592 } else if (pdev->revision == 0xC3) { 593 ppi[0] = &info_c3; 594 } else if (pdev->revision == 0xC4) { 595 ppi[0] = &info_c4; 596 } else 597 ppi[0] = &info_c5; 598 599 ali_init_chipset(pdev); 600 601 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); 602 if (isa_bridge && pdev->revision >= 0x20 && pdev->revision < 0xC2) { 603 /* Are we paired with a UDMA capable chip */ 604 pci_read_config_byte(isa_bridge, 0x5E, &tmp); 605 if ((tmp & 0x1E) == 0x12) 606 ppi[0] = &info_20_udma; 607 pci_dev_put(isa_bridge); 608 } 609 return ata_pci_init_one(pdev, ppi); 610 } 611 612 #ifdef CONFIG_PM 613 static int ali_reinit_one(struct pci_dev *pdev) 614 { 615 ali_init_chipset(pdev); 616 return ata_pci_device_resume(pdev); 617 } 618 #endif 619 620 static const struct pci_device_id ali[] = { 621 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), }, 622 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), }, 623 624 { }, 625 }; 626 627 static struct pci_driver ali_pci_driver = { 628 .name = DRV_NAME, 629 .id_table = ali, 630 .probe = ali_init_one, 631 .remove = ata_pci_remove_one, 632 #ifdef CONFIG_PM 633 .suspend = ata_pci_device_suspend, 634 .resume = ali_reinit_one, 635 #endif 636 }; 637 638 static int __init ali_init(void) 639 { 640 return pci_register_driver(&ali_pci_driver); 641 } 642 643 644 static void __exit ali_exit(void) 645 { 646 pci_unregister_driver(&ali_pci_driver); 647 } 648 649 650 MODULE_AUTHOR("Alan Cox"); 651 MODULE_DESCRIPTION("low-level driver for ALi PATA"); 652 MODULE_LICENSE("GPL"); 653 MODULE_DEVICE_TABLE(pci, ali); 654 MODULE_VERSION(DRV_VERSION); 655 656 module_init(ali_init); 657 module_exit(ali_exit); 658