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 "0.7.4" 38 39 /* 40 * Cable special cases 41 */ 42 43 static 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_NAME, "OmniBook N32N-736"), 49 }, 50 }, 51 { } 52 }; 53 54 static int ali_cable_override(struct pci_dev *pdev) 55 { 56 /* Fujitsu P2000 */ 57 if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF) 58 return 1; 59 /* Systems by DMI */ 60 if (dmi_check_system(cable_dmi_table)) 61 return 1; 62 return 0; 63 } 64 65 /** 66 * ali_c2_cable_detect - cable detection 67 * @ap: ATA port 68 * 69 * Perform cable detection for C2 and later revisions 70 */ 71 72 static int ali_c2_cable_detect(struct ata_port *ap) 73 { 74 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 75 u8 ata66; 76 77 /* Certain laptops use short but suitable cables and don't 78 implement the detect logic */ 79 80 if (ali_cable_override(pdev)) 81 return ATA_CBL_PATA40_SHORT; 82 83 /* Host view cable detect 0x4A bit 0 primary bit 1 secondary 84 Bit set for 40 pin */ 85 pci_read_config_byte(pdev, 0x4A, &ata66); 86 if (ata66 & (1 << ap->port_no)) 87 return ATA_CBL_PATA40; 88 else 89 return ATA_CBL_PATA80; 90 } 91 92 /** 93 * ali_20_filter - filter for earlier ALI DMA 94 * @ap: ALi ATA port 95 * @adev: attached device 96 * 97 * Ensure that we do not do DMA on CD devices. We may be able to 98 * fix that later on. Also ensure we do not do UDMA on WDC drives 99 */ 100 101 static unsigned long ali_20_filter(struct ata_device *adev, unsigned long mask) 102 { 103 char model_num[ATA_ID_PROD_LEN + 1]; 104 /* No DMA on anything but a disk for now */ 105 if (adev->class != ATA_DEV_ATA) 106 mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); 107 ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num)); 108 if (strstr(model_num, "WDC")) 109 return mask &= ~ATA_MASK_UDMA; 110 return ata_pci_default_filter(adev, mask); 111 } 112 113 /** 114 * ali_fifo_control - FIFO manager 115 * @ap: ALi channel to control 116 * @adev: device for FIFO control 117 * @on: 0 for off 1 for on 118 * 119 * Enable or disable the FIFO on a given device. Because of the way the 120 * ALi FIFO works it provides a boost on ATA disk but can be confused by 121 * ATAPI and we must therefore manage it. 122 */ 123 124 static void ali_fifo_control(struct ata_port *ap, struct ata_device *adev, int on) 125 { 126 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 127 int pio_fifo = 0x54 + ap->port_no; 128 u8 fifo; 129 int shift = 4 * adev->devno; 130 131 /* ATA - FIFO on set nibble to 0x05, ATAPI - FIFO off, set nibble to 132 0x00. Not all the docs agree but the behaviour we now use is the 133 one stated in the BIOS Programming Guide */ 134 135 pci_read_config_byte(pdev, pio_fifo, &fifo); 136 fifo &= ~(0x0F << shift); 137 if (on) 138 fifo |= (on << shift); 139 pci_write_config_byte(pdev, pio_fifo, fifo); 140 } 141 142 /** 143 * ali_program_modes - load mode registers 144 * @ap: ALi channel to load 145 * @adev: Device the timing is for 146 * @cmd: Command timing 147 * @data: Data timing 148 * @ultra: UDMA timing or zero for off 149 * 150 * Loads the timing registers for cmd/data and disable UDMA if 151 * ultra is zero. If ultra is set then load and enable the UDMA 152 * timing but do not touch the command/data timing. 153 */ 154 155 static void ali_program_modes(struct ata_port *ap, struct ata_device *adev, struct ata_timing *t, u8 ultra) 156 { 157 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 158 int cas = 0x58 + 4 * ap->port_no; /* Command timing */ 159 int cbt = 0x59 + 4 * ap->port_no; /* Command timing */ 160 int drwt = 0x5A + 4 * ap->port_no + adev->devno; /* R/W timing */ 161 int udmat = 0x56 + ap->port_no; /* UDMA timing */ 162 int shift = 4 * adev->devno; 163 u8 udma; 164 165 if (t != NULL) { 166 t->setup = FIT(t->setup, 1, 8) & 7; 167 t->act8b = FIT(t->act8b, 1, 8) & 7; 168 t->rec8b = FIT(t->rec8b, 1, 16) & 15; 169 t->active = FIT(t->active, 1, 8) & 7; 170 t->recover = FIT(t->recover, 1, 16) & 15; 171 172 pci_write_config_byte(pdev, cas, t->setup); 173 pci_write_config_byte(pdev, cbt, (t->act8b << 4) | t->rec8b); 174 pci_write_config_byte(pdev, drwt, (t->active << 4) | t->recover); 175 } 176 177 /* Set up the UDMA enable */ 178 pci_read_config_byte(pdev, udmat, &udma); 179 udma &= ~(0x0F << shift); 180 udma |= ultra << shift; 181 pci_write_config_byte(pdev, udmat, udma); 182 } 183 184 /** 185 * ali_set_piomode - set initial PIO mode data 186 * @ap: ATA interface 187 * @adev: ATA device 188 * 189 * Program the ALi registers for PIO mode. FIXME: add timings for 190 * PIO5. 191 */ 192 193 static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev) 194 { 195 struct ata_device *pair = ata_dev_pair(adev); 196 struct ata_timing t; 197 unsigned long T = 1000000000 / 33333; /* PCI clock based */ 198 199 ata_timing_compute(adev, adev->pio_mode, &t, T, 1); 200 if (pair) { 201 struct ata_timing p; 202 ata_timing_compute(pair, pair->pio_mode, &p, T, 1); 203 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 204 if (pair->dma_mode) { 205 ata_timing_compute(pair, pair->dma_mode, &p, T, 1); 206 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 207 } 208 } 209 210 /* PIO FIFO is only permitted on ATA disk */ 211 if (adev->class != ATA_DEV_ATA) 212 ali_fifo_control(ap, adev, 0x00); 213 ali_program_modes(ap, adev, &t, 0); 214 if (adev->class == ATA_DEV_ATA) 215 ali_fifo_control(ap, adev, 0x05); 216 217 } 218 219 /** 220 * ali_set_dmamode - set initial DMA mode data 221 * @ap: ATA interface 222 * @adev: ATA device 223 * 224 * FIXME: MWDMA timings 225 */ 226 227 static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev) 228 { 229 static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD }; 230 struct ata_device *pair = ata_dev_pair(adev); 231 struct ata_timing t; 232 unsigned long T = 1000000000 / 33333; /* PCI clock based */ 233 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 234 235 236 if (adev->class == ATA_DEV_ATA) 237 ali_fifo_control(ap, adev, 0x08); 238 239 if (adev->dma_mode >= XFER_UDMA_0) { 240 ali_program_modes(ap, adev, NULL, udma_timing[adev->dma_mode - XFER_UDMA_0]); 241 if (adev->dma_mode >= XFER_UDMA_3) { 242 u8 reg4b; 243 pci_read_config_byte(pdev, 0x4B, ®4b); 244 reg4b |= 1; 245 pci_write_config_byte(pdev, 0x4B, reg4b); 246 } 247 } else { 248 ata_timing_compute(adev, adev->dma_mode, &t, T, 1); 249 if (pair) { 250 struct ata_timing p; 251 ata_timing_compute(pair, pair->pio_mode, &p, T, 1); 252 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 253 if (pair->dma_mode) { 254 ata_timing_compute(pair, pair->dma_mode, &p, T, 1); 255 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 256 } 257 } 258 ali_program_modes(ap, adev, &t, 0); 259 } 260 } 261 262 /** 263 * ali_lock_sectors - Keep older devices to 255 sector mode 264 * @adev: Device 265 * 266 * Called during the bus probe for each device that is found. We use 267 * this call to lock the sector count of the device to 255 or less on 268 * older ALi controllers. If we didn't do this then large I/O's would 269 * require LBA48 commands which the older ALi requires are issued by 270 * slower PIO methods 271 */ 272 273 static void ali_lock_sectors(struct ata_device *adev) 274 { 275 adev->max_sectors = 255; 276 } 277 278 static struct scsi_host_template ali_sht = { 279 .module = THIS_MODULE, 280 .name = DRV_NAME, 281 .ioctl = ata_scsi_ioctl, 282 .queuecommand = ata_scsi_queuecmd, 283 .can_queue = ATA_DEF_QUEUE, 284 .this_id = ATA_SHT_THIS_ID, 285 .sg_tablesize = LIBATA_MAX_PRD, 286 .cmd_per_lun = ATA_SHT_CMD_PER_LUN, 287 .emulated = ATA_SHT_EMULATED, 288 .use_clustering = ATA_SHT_USE_CLUSTERING, 289 .proc_name = DRV_NAME, 290 .dma_boundary = ATA_DMA_BOUNDARY, 291 .slave_configure = ata_scsi_slave_config, 292 .slave_destroy = ata_scsi_slave_destroy, 293 .bios_param = ata_std_bios_param, 294 }; 295 296 /* 297 * Port operations for PIO only ALi 298 */ 299 300 static struct ata_port_operations ali_early_port_ops = { 301 .port_disable = ata_port_disable, 302 .set_piomode = ali_set_piomode, 303 .tf_load = ata_tf_load, 304 .tf_read = ata_tf_read, 305 .check_status = ata_check_status, 306 .exec_command = ata_exec_command, 307 .dev_select = ata_std_dev_select, 308 309 .freeze = ata_bmdma_freeze, 310 .thaw = ata_bmdma_thaw, 311 .error_handler = ata_bmdma_error_handler, 312 .post_internal_cmd = ata_bmdma_post_internal_cmd, 313 .cable_detect = ata_cable_40wire, 314 315 .qc_prep = ata_qc_prep, 316 .qc_issue = ata_qc_issue_prot, 317 318 .data_xfer = ata_data_xfer, 319 320 .irq_handler = ata_interrupt, 321 .irq_clear = ata_bmdma_irq_clear, 322 .irq_on = ata_irq_on, 323 .irq_ack = ata_irq_ack, 324 325 .port_start = ata_port_start, 326 }; 327 328 /* 329 * Port operations for DMA capable ALi without cable 330 * detect 331 */ 332 static struct ata_port_operations ali_20_port_ops = { 333 .port_disable = ata_port_disable, 334 335 .set_piomode = ali_set_piomode, 336 .set_dmamode = ali_set_dmamode, 337 .mode_filter = ali_20_filter, 338 339 .tf_load = ata_tf_load, 340 .tf_read = ata_tf_read, 341 .check_status = ata_check_status, 342 .exec_command = ata_exec_command, 343 .dev_select = ata_std_dev_select, 344 .dev_config = ali_lock_sectors, 345 346 .freeze = ata_bmdma_freeze, 347 .thaw = ata_bmdma_thaw, 348 .error_handler = ata_bmdma_error_handler, 349 .post_internal_cmd = ata_bmdma_post_internal_cmd, 350 .cable_detect = ata_cable_40wire, 351 352 .bmdma_setup = ata_bmdma_setup, 353 .bmdma_start = ata_bmdma_start, 354 .bmdma_stop = ata_bmdma_stop, 355 .bmdma_status = ata_bmdma_status, 356 357 .qc_prep = ata_qc_prep, 358 .qc_issue = ata_qc_issue_prot, 359 360 .data_xfer = ata_data_xfer, 361 362 .irq_handler = ata_interrupt, 363 .irq_clear = ata_bmdma_irq_clear, 364 .irq_on = ata_irq_on, 365 .irq_ack = ata_irq_ack, 366 367 .port_start = ata_port_start, 368 }; 369 370 /* 371 * Port operations for DMA capable ALi with cable detect 372 */ 373 static struct ata_port_operations ali_c2_port_ops = { 374 .port_disable = ata_port_disable, 375 .set_piomode = ali_set_piomode, 376 .set_dmamode = ali_set_dmamode, 377 .mode_filter = ata_pci_default_filter, 378 .tf_load = ata_tf_load, 379 .tf_read = ata_tf_read, 380 .check_status = ata_check_status, 381 .exec_command = ata_exec_command, 382 .dev_select = ata_std_dev_select, 383 .dev_config = ali_lock_sectors, 384 385 .freeze = ata_bmdma_freeze, 386 .thaw = ata_bmdma_thaw, 387 .error_handler = ata_bmdma_error_handler, 388 .post_internal_cmd = ata_bmdma_post_internal_cmd, 389 .cable_detect = ali_c2_cable_detect, 390 391 .bmdma_setup = ata_bmdma_setup, 392 .bmdma_start = ata_bmdma_start, 393 .bmdma_stop = ata_bmdma_stop, 394 .bmdma_status = ata_bmdma_status, 395 396 .qc_prep = ata_qc_prep, 397 .qc_issue = ata_qc_issue_prot, 398 399 .data_xfer = ata_data_xfer, 400 401 .irq_handler = ata_interrupt, 402 .irq_clear = ata_bmdma_irq_clear, 403 .irq_on = ata_irq_on, 404 .irq_ack = ata_irq_ack, 405 406 .port_start = ata_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 .port_disable = ata_port_disable, 414 .set_piomode = ali_set_piomode, 415 .set_dmamode = ali_set_dmamode, 416 .mode_filter = ata_pci_default_filter, 417 .tf_load = ata_tf_load, 418 .tf_read = ata_tf_read, 419 .check_status = ata_check_status, 420 .exec_command = ata_exec_command, 421 .dev_select = ata_std_dev_select, 422 423 .freeze = ata_bmdma_freeze, 424 .thaw = ata_bmdma_thaw, 425 .error_handler = ata_bmdma_error_handler, 426 .post_internal_cmd = ata_bmdma_post_internal_cmd, 427 .cable_detect = ali_c2_cable_detect, 428 429 .bmdma_setup = ata_bmdma_setup, 430 .bmdma_start = ata_bmdma_start, 431 .bmdma_stop = ata_bmdma_stop, 432 .bmdma_status = ata_bmdma_status, 433 434 .qc_prep = ata_qc_prep, 435 .qc_issue = ata_qc_issue_prot, 436 437 .data_xfer = ata_data_xfer, 438 439 .irq_handler = ata_interrupt, 440 .irq_clear = ata_bmdma_irq_clear, 441 .irq_on = ata_irq_on, 442 .irq_ack = ata_irq_ack, 443 444 .port_start = ata_port_start, 445 }; 446 447 448 /** 449 * ali_init_chipset - chip setup function 450 * @pdev: PCI device of ATA controller 451 * 452 * Perform the setup on the device that must be done both at boot 453 * and at resume time. 454 */ 455 456 static void ali_init_chipset(struct pci_dev *pdev) 457 { 458 u8 rev, tmp; 459 struct pci_dev *north, *isa_bridge; 460 461 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); 462 463 /* 464 * The chipset revision selects the driver operations and 465 * mode data. 466 */ 467 468 if (rev >= 0x20 && rev < 0xC2) { 469 /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ 470 pci_read_config_byte(pdev, 0x4B, &tmp); 471 /* Clear CD-ROM DMA write bit */ 472 tmp &= 0x7F; 473 pci_write_config_byte(pdev, 0x4B, tmp); 474 } else if (rev >= 0xC2) { 475 /* Enable cable detection logic */ 476 pci_read_config_byte(pdev, 0x4B, &tmp); 477 pci_write_config_byte(pdev, 0x4B, tmp | 0x08); 478 } 479 north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); 480 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); 481 482 if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) { 483 /* Configure the ALi bridge logic. For non ALi rely on BIOS. 484 Set the south bridge enable bit */ 485 pci_read_config_byte(isa_bridge, 0x79, &tmp); 486 if (rev == 0xC2) 487 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); 488 else if (rev > 0xC2 && rev < 0xC5) 489 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); 490 } 491 if (rev >= 0x20) { 492 /* 493 * CD_ROM DMA on (0x53 bit 0). Enable this even if we want 494 * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control 495 * via 0x54/55. 496 */ 497 pci_read_config_byte(pdev, 0x53, &tmp); 498 if (rev <= 0x20) 499 tmp &= ~0x02; 500 if (rev >= 0xc7) 501 tmp |= 0x03; 502 else 503 tmp |= 0x01; /* CD_ROM enable for DMA */ 504 pci_write_config_byte(pdev, 0x53, tmp); 505 } 506 pci_dev_put(isa_bridge); 507 pci_dev_put(north); 508 ata_pci_clear_simplex(pdev); 509 } 510 /** 511 * ali_init_one - discovery callback 512 * @pdev: PCI device ID 513 * @id: PCI table info 514 * 515 * An ALi IDE interface has been discovered. Figure out what revision 516 * and perform configuration work before handing it to the ATA layer 517 */ 518 519 static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 520 { 521 static const struct ata_port_info info_early = { 522 .sht = &ali_sht, 523 .flags = ATA_FLAG_SLAVE_POSS, 524 .pio_mask = 0x1f, 525 .port_ops = &ali_early_port_ops 526 }; 527 /* Revision 0x20 added DMA */ 528 static const struct ata_port_info info_20 = { 529 .sht = &ali_sht, 530 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 531 .pio_mask = 0x1f, 532 .mwdma_mask = 0x07, 533 .port_ops = &ali_20_port_ops 534 }; 535 /* Revision 0x20 with support logic added UDMA */ 536 static const struct ata_port_info info_20_udma = { 537 .sht = &ali_sht, 538 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 539 .pio_mask = 0x1f, 540 .mwdma_mask = 0x07, 541 .udma_mask = 0x07, /* UDMA33 */ 542 .port_ops = &ali_20_port_ops 543 }; 544 /* Revision 0xC2 adds UDMA66 */ 545 static const struct ata_port_info info_c2 = { 546 .sht = &ali_sht, 547 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 548 .pio_mask = 0x1f, 549 .mwdma_mask = 0x07, 550 .udma_mask = ATA_UDMA4, 551 .port_ops = &ali_c2_port_ops 552 }; 553 /* Revision 0xC3 is UDMA66 for now */ 554 static const struct ata_port_info info_c3 = { 555 .sht = &ali_sht, 556 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 557 .pio_mask = 0x1f, 558 .mwdma_mask = 0x07, 559 .udma_mask = ATA_UDMA4, 560 .port_ops = &ali_c2_port_ops 561 }; 562 /* Revision 0xC4 is UDMA100 */ 563 static const struct ata_port_info info_c4 = { 564 .sht = &ali_sht, 565 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_LBA48, 566 .pio_mask = 0x1f, 567 .mwdma_mask = 0x07, 568 .udma_mask = ATA_UDMA5, 569 .port_ops = &ali_c2_port_ops 570 }; 571 /* Revision 0xC5 is UDMA133 with LBA48 DMA */ 572 static const struct ata_port_info info_c5 = { 573 .sht = &ali_sht, 574 .flags = ATA_FLAG_SLAVE_POSS, 575 .pio_mask = 0x1f, 576 .mwdma_mask = 0x07, 577 .udma_mask = ATA_UDMA6, 578 .port_ops = &ali_c5_port_ops 579 }; 580 581 const struct ata_port_info *ppi[] = { NULL, NULL }; 582 u8 rev, tmp; 583 struct pci_dev *isa_bridge; 584 585 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); 586 587 /* 588 * The chipset revision selects the driver operations and 589 * mode data. 590 */ 591 592 if (rev < 0x20) { 593 ppi[0] = &info_early; 594 } else if (rev < 0xC2) { 595 ppi[0] = &info_20; 596 } else if (rev == 0xC2) { 597 ppi[0] = &info_c2; 598 } else if (rev == 0xC3) { 599 ppi[0] = &info_c3; 600 } else if (rev == 0xC4) { 601 ppi[0] = &info_c4; 602 } else 603 ppi[0] = &info_c5; 604 605 ali_init_chipset(pdev); 606 607 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); 608 if (isa_bridge && rev >= 0x20 && rev < 0xC2) { 609 /* Are we paired with a UDMA capable chip */ 610 pci_read_config_byte(isa_bridge, 0x5E, &tmp); 611 if ((tmp & 0x1E) == 0x12) 612 ppi[0] = &info_20_udma; 613 pci_dev_put(isa_bridge); 614 } 615 return ata_pci_init_one(pdev, ppi); 616 } 617 618 #ifdef CONFIG_PM 619 static int ali_reinit_one(struct pci_dev *pdev) 620 { 621 ali_init_chipset(pdev); 622 return ata_pci_device_resume(pdev); 623 } 624 #endif 625 626 static const struct pci_device_id ali[] = { 627 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), }, 628 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), }, 629 630 { }, 631 }; 632 633 static struct pci_driver ali_pci_driver = { 634 .name = DRV_NAME, 635 .id_table = ali, 636 .probe = ali_init_one, 637 .remove = ata_pci_remove_one, 638 #ifdef CONFIG_PM 639 .suspend = ata_pci_device_suspend, 640 .resume = ali_reinit_one, 641 #endif 642 }; 643 644 static int __init ali_init(void) 645 { 646 return pci_register_driver(&ali_pci_driver); 647 } 648 649 650 static void __exit ali_exit(void) 651 { 652 pci_unregister_driver(&ali_pci_driver); 653 } 654 655 656 MODULE_AUTHOR("Alan Cox"); 657 MODULE_DESCRIPTION("low-level driver for ALi PATA"); 658 MODULE_LICENSE("GPL"); 659 MODULE_DEVICE_TABLE(pci, ali); 660 MODULE_VERSION(DRV_VERSION); 661 662 module_init(ali_init); 663 module_exit(ali_exit); 664