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 43static 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 54static 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 72static 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 101static 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 124static 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 155static 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 185static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev) 186{ 187 struct ata_device *pair = ata_dev_pair(adev); 188 struct ata_timing t; 189 unsigned long T = 1000000000 / 33333; /* PCI clock based */ 190 191 ata_timing_compute(adev, adev->pio_mode, &t, T, 1); 192 if (pair) { 193 struct ata_timing p; 194 ata_timing_compute(pair, pair->pio_mode, &p, T, 1); 195 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 196 if (pair->dma_mode) { 197 ata_timing_compute(pair, pair->dma_mode, &p, T, 1); 198 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 199 } 200 } 201 202 /* PIO FIFO is only permitted on ATA disk */ 203 if (adev->class != ATA_DEV_ATA) 204 ali_fifo_control(ap, adev, 0x00); 205 ali_program_modes(ap, adev, &t, 0); 206 if (adev->class == ATA_DEV_ATA) 207 ali_fifo_control(ap, adev, 0x05); 208 209} 210 211 212static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev) 213{ 214 static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD }; 215 struct ata_device *pair = ata_dev_pair(adev); 216 struct ata_timing t; 217 unsigned long T = 1000000000 / 33333; /* PCI clock based */ 218 struct pci_dev *pdev = to_pci_dev(ap->host->dev); 219 220 221 if (adev->class == ATA_DEV_ATA) 222 ali_fifo_control(ap, adev, 0x08); 223 224 if (adev->dma_mode >= XFER_UDMA_0) { 225 ali_program_modes(ap, adev, NULL, udma_timing[adev->dma_mode - XFER_UDMA_0]); 226 if (adev->dma_mode >= XFER_UDMA_3) { 227 u8 reg4b; 228 pci_read_config_byte(pdev, 0x4B, ®4b); 229 reg4b |= 1; 230 pci_write_config_byte(pdev, 0x4B, reg4b); 231 } 232 } else { 233 ata_timing_compute(adev, adev->dma_mode, &t, T, 1); 234 if (pair) { 235 struct ata_timing p; 236 ata_timing_compute(pair, pair->pio_mode, &p, T, 1); 237 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 238 if (pair->dma_mode) { 239 ata_timing_compute(pair, pair->dma_mode, &p, T, 1); 240 ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT); 241 } 242 } 243 ali_program_modes(ap, adev, &t, 0); 244 } 245} 246 247/** 248 * ali_lock_sectors - Keep older devices to 255 sector mode 249 * @adev: Device 250 * 251 * Called during the bus probe for each device that is found. We use 252 * this call to lock the sector count of the device to 255 or less on 253 * older ALi controllers. If we didn't do this then large I/O's would 254 * require LBA48 commands which the older ALi requires are issued by 255 * slower PIO methods 256 */ 257 258static void ali_lock_sectors(struct ata_device *adev) 259{ 260 adev->max_sectors = 255; 261} 262 263static struct scsi_host_template ali_sht = { 264 .module = THIS_MODULE, 265 .name = DRV_NAME, 266 .ioctl = ata_scsi_ioctl, 267 .queuecommand = ata_scsi_queuecmd, 268 .can_queue = ATA_DEF_QUEUE, 269 .this_id = ATA_SHT_THIS_ID, 270 .sg_tablesize = LIBATA_MAX_PRD, 271 .cmd_per_lun = ATA_SHT_CMD_PER_LUN, 272 .emulated = ATA_SHT_EMULATED, 273 .use_clustering = ATA_SHT_USE_CLUSTERING, 274 .proc_name = DRV_NAME, 275 .dma_boundary = ATA_DMA_BOUNDARY, 276 .slave_configure = ata_scsi_slave_config, 277 .slave_destroy = ata_scsi_slave_destroy, 278 .bios_param = ata_std_bios_param, 279}; 280 281/* 282 * Port operations for PIO only ALi 283 */ 284 285static struct ata_port_operations ali_early_port_ops = { 286 .port_disable = ata_port_disable, 287 .set_piomode = ali_set_piomode, 288 .tf_load = ata_tf_load, 289 .tf_read = ata_tf_read, 290 .check_status = ata_check_status, 291 .exec_command = ata_exec_command, 292 .dev_select = ata_std_dev_select, 293 294 .freeze = ata_bmdma_freeze, 295 .thaw = ata_bmdma_thaw, 296 .error_handler = ata_bmdma_error_handler, 297 .post_internal_cmd = ata_bmdma_post_internal_cmd, 298 .cable_detect = ata_cable_40wire, 299 300 .qc_prep = ata_qc_prep, 301 .qc_issue = ata_qc_issue_prot, 302 303 .data_xfer = ata_data_xfer, 304 305 .irq_handler = ata_interrupt, 306 .irq_clear = ata_bmdma_irq_clear, 307 .irq_on = ata_irq_on, 308 .irq_ack = ata_irq_ack, 309 310 .port_start = ata_port_start, 311}; 312 313/* 314 * Port operations for DMA capable ALi without cable 315 * detect 316 */ 317static struct ata_port_operations ali_20_port_ops = { 318 .port_disable = ata_port_disable, 319 320 .set_piomode = ali_set_piomode, 321 .set_dmamode = ali_set_dmamode, 322 .mode_filter = ali_20_filter, 323 324 .tf_load = ata_tf_load, 325 .tf_read = ata_tf_read, 326 .check_status = ata_check_status, 327 .exec_command = ata_exec_command, 328 .dev_select = ata_std_dev_select, 329 .dev_config = ali_lock_sectors, 330 331 .freeze = ata_bmdma_freeze, 332 .thaw = ata_bmdma_thaw, 333 .error_handler = ata_bmdma_error_handler, 334 .post_internal_cmd = ata_bmdma_post_internal_cmd, 335 .cable_detect = ata_cable_40wire, 336 337 .bmdma_setup = ata_bmdma_setup, 338 .bmdma_start = ata_bmdma_start, 339 .bmdma_stop = ata_bmdma_stop, 340 .bmdma_status = ata_bmdma_status, 341 342 .qc_prep = ata_qc_prep, 343 .qc_issue = ata_qc_issue_prot, 344 345 .data_xfer = ata_data_xfer, 346 347 .irq_handler = ata_interrupt, 348 .irq_clear = ata_bmdma_irq_clear, 349 .irq_on = ata_irq_on, 350 .irq_ack = ata_irq_ack, 351 352 .port_start = ata_port_start, 353}; 354 355/* 356 * Port operations for DMA capable ALi with cable detect 357 */ 358static struct ata_port_operations ali_c2_port_ops = { 359 .port_disable = ata_port_disable, 360 .set_piomode = ali_set_piomode, 361 .set_dmamode = ali_set_dmamode, 362 .mode_filter = ata_pci_default_filter, 363 .tf_load = ata_tf_load, 364 .tf_read = ata_tf_read, 365 .check_status = ata_check_status, 366 .exec_command = ata_exec_command, 367 .dev_select = ata_std_dev_select, 368 .dev_config = ali_lock_sectors, 369 370 .freeze = ata_bmdma_freeze, 371 .thaw = ata_bmdma_thaw, 372 .error_handler = ata_bmdma_error_handler, 373 .post_internal_cmd = ata_bmdma_post_internal_cmd, 374 .cable_detect = ali_c2_cable_detect, 375 376 .bmdma_setup = ata_bmdma_setup, 377 .bmdma_start = ata_bmdma_start, 378 .bmdma_stop = ata_bmdma_stop, 379 .bmdma_status = ata_bmdma_status, 380 381 .qc_prep = ata_qc_prep, 382 .qc_issue = ata_qc_issue_prot, 383 384 .data_xfer = ata_data_xfer, 385 386 .irq_handler = ata_interrupt, 387 .irq_clear = ata_bmdma_irq_clear, 388 .irq_on = ata_irq_on, 389 .irq_ack = ata_irq_ack, 390 391 .port_start = ata_port_start, 392}; 393 394/* 395 * Port operations for DMA capable ALi with cable detect and LBA48 396 */ 397static struct ata_port_operations ali_c5_port_ops = { 398 .port_disable = ata_port_disable, 399 .set_piomode = ali_set_piomode, 400 .set_dmamode = ali_set_dmamode, 401 .mode_filter = ata_pci_default_filter, 402 .tf_load = ata_tf_load, 403 .tf_read = ata_tf_read, 404 .check_status = ata_check_status, 405 .exec_command = ata_exec_command, 406 .dev_select = ata_std_dev_select, 407 408 .freeze = ata_bmdma_freeze, 409 .thaw = ata_bmdma_thaw, 410 .error_handler = ata_bmdma_error_handler, 411 .post_internal_cmd = ata_bmdma_post_internal_cmd, 412 .cable_detect = ali_c2_cable_detect, 413 414 .bmdma_setup = ata_bmdma_setup, 415 .bmdma_start = ata_bmdma_start, 416 .bmdma_stop = ata_bmdma_stop, 417 .bmdma_status = ata_bmdma_status, 418 419 .qc_prep = ata_qc_prep, 420 .qc_issue = ata_qc_issue_prot, 421 422 .data_xfer = ata_data_xfer, 423 424 .irq_handler = ata_interrupt, 425 .irq_clear = ata_bmdma_irq_clear, 426 .irq_on = ata_irq_on, 427 .irq_ack = ata_irq_ack, 428 429 .port_start = ata_port_start, 430}; 431 432 433/** 434 * ali_init_chipset - chip setup function 435 * @pdev: PCI device of ATA controller 436 * 437 * Perform the setup on the device that must be done both at boot 438 * and at resume time. 439 */ 440 441static void ali_init_chipset(struct pci_dev *pdev) 442{ 443 u8 rev, tmp; 444 struct pci_dev *north, *isa_bridge; 445 446 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); 447 448 /* 449 * The chipset revision selects the driver operations and 450 * mode data. 451 */ 452 453 if (rev >= 0x20 && rev < 0xC2) { 454 /* 1543-E/F, 1543C-C, 1543C-D, 1543C-E */ 455 pci_read_config_byte(pdev, 0x4B, &tmp); 456 /* Clear CD-ROM DMA write bit */ 457 tmp &= 0x7F; 458 pci_write_config_byte(pdev, 0x4B, tmp); 459 } else if (rev >= 0xC2) { 460 /* Enable cable detection logic */ 461 pci_read_config_byte(pdev, 0x4B, &tmp); 462 pci_write_config_byte(pdev, 0x4B, tmp | 0x08); 463 } 464 north = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); 465 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); 466 467 if (north && north->vendor == PCI_VENDOR_ID_AL && isa_bridge) { 468 /* Configure the ALi bridge logic. For non ALi rely on BIOS. 469 Set the south bridge enable bit */ 470 pci_read_config_byte(isa_bridge, 0x79, &tmp); 471 if (rev == 0xC2) 472 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x04); 473 else if (rev > 0xC2 && rev < 0xC5) 474 pci_write_config_byte(isa_bridge, 0x79, tmp | 0x02); 475 } 476 if (rev >= 0x20) { 477 /* 478 * CD_ROM DMA on (0x53 bit 0). Enable this even if we want 479 * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control 480 * via 0x54/55. 481 */ 482 pci_read_config_byte(pdev, 0x53, &tmp); 483 if (rev <= 0x20) 484 tmp &= ~0x02; 485 if (rev >= 0xc7) 486 tmp |= 0x03; 487 else 488 tmp |= 0x01; /* CD_ROM enable for DMA */ 489 pci_write_config_byte(pdev, 0x53, tmp); 490 } 491 pci_dev_put(isa_bridge); 492 pci_dev_put(north); 493 ata_pci_clear_simplex(pdev); 494} 495/** 496 * ali_init_one - discovery callback 497 * @pdev: PCI device ID 498 * @id: PCI table info 499 * 500 * An ALi IDE interface has been discovered. Figure out what revision 501 * and perform configuration work before handing it to the ATA layer 502 */ 503 504static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 505{ 506 static const struct ata_port_info info_early = { 507 .sht = &ali_sht, 508 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, 509 .pio_mask = 0x1f, 510 .port_ops = &ali_early_port_ops 511 }; 512 /* Revision 0x20 added DMA */ 513 static const struct ata_port_info info_20 = { 514 .sht = &ali_sht, 515 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, 516 .pio_mask = 0x1f, 517 .mwdma_mask = 0x07, 518 .port_ops = &ali_20_port_ops 519 }; 520 /* Revision 0x20 with support logic added UDMA */ 521 static const struct ata_port_info info_20_udma = { 522 .sht = &ali_sht, 523 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, 524 .pio_mask = 0x1f, 525 .mwdma_mask = 0x07, 526 .udma_mask = 0x07, /* UDMA33 */ 527 .port_ops = &ali_20_port_ops 528 }; 529 /* Revision 0xC2 adds UDMA66 */ 530 static const struct ata_port_info info_c2 = { 531 .sht = &ali_sht, 532 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, 533 .pio_mask = 0x1f, 534 .mwdma_mask = 0x07, 535 .udma_mask = 0x1f, 536 .port_ops = &ali_c2_port_ops 537 }; 538 /* Revision 0xC3 is UDMA66 for now */ 539 static const struct ata_port_info info_c3 = { 540 .sht = &ali_sht, 541 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, 542 .pio_mask = 0x1f, 543 .mwdma_mask = 0x07, 544 .udma_mask = 0x1f, 545 .port_ops = &ali_c2_port_ops 546 }; 547 /* Revision 0xC4 is UDMA100 */ 548 static const struct ata_port_info info_c4 = { 549 .sht = &ali_sht, 550 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48, 551 .pio_mask = 0x1f, 552 .mwdma_mask = 0x07, 553 .udma_mask = 0x3f, 554 .port_ops = &ali_c2_port_ops 555 }; 556 /* Revision 0xC5 is UDMA133 with LBA48 DMA */ 557 static const struct ata_port_info info_c5 = { 558 .sht = &ali_sht, 559 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, 560 .pio_mask = 0x1f, 561 .mwdma_mask = 0x07, 562 .udma_mask = 0x7f, 563 .port_ops = &ali_c5_port_ops 564 }; 565 566 const struct ata_port_info *ppi[] = { NULL, NULL }; 567 u8 rev, tmp; 568 struct pci_dev *isa_bridge; 569 570 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev); 571 572 /* 573 * The chipset revision selects the driver operations and 574 * mode data. 575 */ 576 577 if (rev < 0x20) { 578 ppi[0] = &info_early; 579 } else if (rev < 0xC2) { 580 ppi[0] = &info_20; 581 } else if (rev == 0xC2) { 582 ppi[0] = &info_c2; 583 } else if (rev == 0xC3) { 584 ppi[0] = &info_c3; 585 } else if (rev == 0xC4) { 586 ppi[0] = &info_c4; 587 } else 588 ppi[0] = &info_c5; 589 590 ali_init_chipset(pdev); 591 592 isa_bridge = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); 593 if (isa_bridge && rev >= 0x20 && rev < 0xC2) { 594 /* Are we paired with a UDMA capable chip */ 595 pci_read_config_byte(isa_bridge, 0x5E, &tmp); 596 if ((tmp & 0x1E) == 0x12) 597 ppi[0] = &info_20_udma; 598 pci_dev_put(isa_bridge); 599 } 600 return ata_pci_init_one(pdev, ppi); 601} 602 603#ifdef CONFIG_PM 604static int ali_reinit_one(struct pci_dev *pdev) 605{ 606 ali_init_chipset(pdev); 607 return ata_pci_device_resume(pdev); 608} 609#endif 610 611static const struct pci_device_id ali[] = { 612 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5228), }, 613 { PCI_VDEVICE(AL, PCI_DEVICE_ID_AL_M5229), }, 614 615 { }, 616}; 617 618static struct pci_driver ali_pci_driver = { 619 .name = DRV_NAME, 620 .id_table = ali, 621 .probe = ali_init_one, 622 .remove = ata_pci_remove_one, 623#ifdef CONFIG_PM 624 .suspend = ata_pci_device_suspend, 625 .resume = ali_reinit_one, 626#endif 627}; 628 629static int __init ali_init(void) 630{ 631 return pci_register_driver(&ali_pci_driver); 632} 633 634 635static void __exit ali_exit(void) 636{ 637 pci_unregister_driver(&ali_pci_driver); 638} 639 640 641MODULE_AUTHOR("Alan Cox"); 642MODULE_DESCRIPTION("low-level driver for ALi PATA"); 643MODULE_LICENSE("GPL"); 644MODULE_DEVICE_TABLE(pci, ali); 645MODULE_VERSION(DRV_VERSION); 646 647module_init(ali_init); 648module_exit(ali_exit); 649