1 /*- 2 * Copyright (c) 1998 - 2006 S�ren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ata.h" 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/module.h> 35 #include <sys/ata.h> 36 #include <sys/bus.h> 37 #include <sys/conf.h> 38 #include <sys/malloc.h> 39 #include <sys/sema.h> 40 #include <sys/taskqueue.h> 41 #include <vm/uma.h> 42 #include <machine/stdarg.h> 43 #include <machine/resource.h> 44 #include <machine/bus.h> 45 #include <sys/rman.h> 46 #include <dev/pci/pcivar.h> 47 #include <dev/pci/pcireg.h> 48 #include <dev/ata/ata-all.h> 49 #include <dev/ata/ata-pci.h> 50 #include <ata_if.h> 51 52 /* local vars */ 53 static MALLOC_DEFINE(M_ATAPCI, "ata_pci", "ATA driver PCI"); 54 55 /* misc defines */ 56 #define IOMASK 0xfffffffc 57 #define ATA_PROBE_OK -10 58 59 int 60 ata_legacy(device_t dev) 61 { 62 return ((pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV) && 63 ((pci_read_config(dev, PCIR_PROGIF, 1) & 64 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) != 65 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))); 66 } 67 68 int 69 ata_pci_probe(device_t dev) 70 { 71 if (pci_get_class(dev) != PCIC_STORAGE) 72 return ENXIO; 73 74 switch (pci_get_vendor(dev)) { 75 case ATA_ACARD_ID: 76 if (!ata_acard_ident(dev)) 77 return ATA_PROBE_OK; 78 break; 79 case ATA_ACER_LABS_ID: 80 if (!ata_ali_ident(dev)) 81 return ATA_PROBE_OK; 82 break; 83 case ATA_AMD_ID: 84 if (!ata_amd_ident(dev)) 85 return ATA_PROBE_OK; 86 break; 87 case ATA_ATI_ID: 88 if (!ata_ati_ident(dev)) 89 return ATA_PROBE_OK; 90 break; 91 case ATA_CYRIX_ID: 92 if (!ata_cyrix_ident(dev)) 93 return ATA_PROBE_OK; 94 break; 95 case ATA_CYPRESS_ID: 96 if (!ata_cypress_ident(dev)) 97 return ATA_PROBE_OK; 98 break; 99 case ATA_HIGHPOINT_ID: 100 if (!ata_highpoint_ident(dev)) 101 return ATA_PROBE_OK; 102 break; 103 case ATA_INTEL_ID: 104 if (!ata_intel_ident(dev)) 105 return ATA_PROBE_OK; 106 break; 107 case ATA_ITE_ID: 108 if (!ata_ite_ident(dev)) 109 return ATA_PROBE_OK; 110 break; 111 case ATA_JMICRON_ID: 112 if (!ata_jmicron_ident(dev)) 113 return ATA_PROBE_OK; 114 break; 115 case ATA_MARVELL_ID: 116 if (!ata_marvell_ident(dev)) 117 return ATA_PROBE_OK; 118 break; 119 case ATA_NATIONAL_ID: 120 if (!ata_national_ident(dev)) 121 return ATA_PROBE_OK; 122 break; 123 case ATA_NVIDIA_ID: 124 if (!ata_nvidia_ident(dev)) 125 return ATA_PROBE_OK; 126 break; 127 case ATA_PROMISE_ID: 128 if (!ata_promise_ident(dev)) 129 return ATA_PROBE_OK; 130 break; 131 case ATA_SERVERWORKS_ID: 132 if (!ata_serverworks_ident(dev)) 133 return ATA_PROBE_OK; 134 break; 135 case ATA_SILICON_IMAGE_ID: 136 if (!ata_sii_ident(dev)) 137 return ATA_PROBE_OK; 138 break; 139 case ATA_SIS_ID: 140 if (!ata_sis_ident(dev)) 141 return ATA_PROBE_OK; 142 break; 143 case ATA_VIA_ID: 144 if (!ata_via_ident(dev)) 145 return ATA_PROBE_OK; 146 break; 147 case ATA_CENATEK_ID: 148 if (pci_get_devid(dev) == ATA_CENATEK_ROCKET) { 149 ata_generic_ident(dev); 150 device_set_desc(dev, "Cenatek Rocket Drive controller"); 151 return ATA_PROBE_OK; 152 } 153 break; 154 case ATA_MICRON_ID: 155 if (pci_get_devid(dev) == ATA_MICRON_RZ1000 || 156 pci_get_devid(dev) == ATA_MICRON_RZ1001) { 157 ata_generic_ident(dev); 158 device_set_desc(dev, 159 "RZ 100? ATA controller !WARNING! data loss/corruption risk"); 160 return ATA_PROBE_OK; 161 } 162 break; 163 } 164 165 /* unknown chipset, try generic DMA if it seems possible */ 166 if ((pci_get_class(dev) == PCIC_STORAGE) && 167 (pci_get_subclass(dev) == PCIS_STORAGE_IDE)) { 168 if (!ata_generic_ident(dev)) 169 return ATA_PROBE_OK; 170 } 171 return ENXIO; 172 } 173 174 int 175 ata_pci_attach(device_t dev) 176 { 177 struct ata_pci_controller *ctlr = device_get_softc(dev); 178 u_int32_t cmd; 179 int unit; 180 181 /* do chipset specific setups only needed once */ 182 if (ata_legacy(dev) || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK) 183 ctlr->channels = 2; 184 else 185 ctlr->channels = 1; 186 ctlr->allocate = ata_pci_allocate; 187 ctlr->dmainit = ata_pci_dmainit; 188 ctlr->dev = dev; 189 190 /* if needed try to enable busmastering */ 191 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 192 if (!(cmd & PCIM_CMD_BUSMASTEREN)) { 193 pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2); 194 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 195 } 196 197 /* if busmastering mode "stuck" use it */ 198 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) { 199 ctlr->r_type1 = SYS_RES_IOPORT; 200 ctlr->r_rid1 = ATA_BMADDR_RID; 201 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1, 202 RF_ACTIVE); 203 } 204 205 if (ctlr->chipinit(dev)) 206 return ENXIO; 207 208 /* attach all channels on this controller */ 209 for (unit = 0; unit < ctlr->channels; unit++) { 210 if (unit == 0 && (pci_get_progif(dev) & 0x81) == 0x80) { 211 device_add_child(dev, "ata", unit); 212 continue; 213 } 214 if (unit == 1 && (pci_get_progif(dev) & 0x84) == 0x80) { 215 device_add_child(dev, "ata", unit); 216 continue; 217 } 218 device_add_child(dev, "ata", devclass_find_free_unit(ata_devclass, 2)); 219 } 220 bus_generic_attach(dev); 221 return 0; 222 } 223 224 int 225 ata_pci_detach(device_t dev) 226 { 227 struct ata_pci_controller *ctlr = device_get_softc(dev); 228 device_t *children; 229 int nchildren, i; 230 231 /* detach & delete all children */ 232 if (!device_get_children(dev, &children, &nchildren)) { 233 for (i = 0; i < nchildren; i++) 234 device_delete_child(dev, children[i]); 235 free(children, M_TEMP); 236 } 237 238 if (ctlr->r_irq) { 239 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle); 240 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ctlr->r_irq); 241 } 242 if (ctlr->r_res2) 243 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2); 244 if (ctlr->r_res1) 245 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1); 246 247 return 0; 248 } 249 250 struct resource * 251 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, 252 u_long start, u_long end, u_long count, u_int flags) 253 { 254 struct ata_pci_controller *controller = device_get_softc(dev); 255 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 256 struct resource *res = NULL; 257 int myrid; 258 259 if (type == SYS_RES_IOPORT) { 260 switch (*rid) { 261 case ATA_IOADDR_RID: 262 if (ata_legacy(dev)) { 263 start = (unit ? ATA_SECONDARY : ATA_PRIMARY); 264 count = ATA_IOSIZE; 265 end = start + count - 1; 266 } 267 myrid = PCIR_BAR(0) + (unit << 3); 268 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 269 SYS_RES_IOPORT, &myrid, 270 start, end, count, flags); 271 break; 272 273 case ATA_CTLADDR_RID: 274 if (ata_legacy(dev)) { 275 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_CTLOFFSET; 276 count = ATA_CTLIOSIZE; 277 end = start + count - 1; 278 } 279 myrid = PCIR_BAR(1) + (unit << 3); 280 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 281 SYS_RES_IOPORT, &myrid, 282 start, end, count, flags); 283 break; 284 } 285 } 286 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) { 287 if (ata_legacy(dev)) { 288 int irq = (unit == 0 ? 14 : 15); 289 290 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 291 SYS_RES_IRQ, rid, irq, irq, 1, flags); 292 } 293 else 294 res = controller->r_irq; 295 } 296 return res; 297 } 298 299 int 300 ata_pci_release_resource(device_t dev, device_t child, int type, int rid, 301 struct resource *r) 302 { 303 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 304 305 if (type == SYS_RES_IOPORT) { 306 switch (rid) { 307 case ATA_IOADDR_RID: 308 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 309 SYS_RES_IOPORT, 310 PCIR_BAR(0) + (unit << 3), r); 311 break; 312 313 case ATA_CTLADDR_RID: 314 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 315 SYS_RES_IOPORT, 316 PCIR_BAR(1) + (unit << 3), r); 317 break; 318 default: 319 return ENOENT; 320 } 321 } 322 if (type == SYS_RES_IRQ) { 323 if (rid != ATA_IRQ_RID) 324 return ENOENT; 325 326 if (ata_legacy(dev)) { 327 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 328 SYS_RES_IRQ, rid, r); 329 } 330 else 331 return 0; 332 } 333 return EINVAL; 334 } 335 336 int 337 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, 338 int flags, driver_intr_t *function, void *argument, 339 void **cookiep) 340 { 341 if (ata_legacy(dev)) { 342 return BUS_SETUP_INTR(device_get_parent(dev), child, irq, 343 flags, function, argument, cookiep); 344 } 345 else { 346 struct ata_pci_controller *controller = device_get_softc(dev); 347 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 348 349 controller->interrupt[unit].function = function; 350 controller->interrupt[unit].argument = argument; 351 *cookiep = controller; 352 return 0; 353 } 354 } 355 356 int 357 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, 358 void *cookie) 359 { 360 if (ata_legacy(dev)) { 361 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); 362 } 363 else { 364 struct ata_pci_controller *controller = device_get_softc(dev); 365 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 366 367 controller->interrupt[unit].function = NULL; 368 controller->interrupt[unit].argument = NULL; 369 return 0; 370 } 371 } 372 373 int 374 ata_pci_allocate(device_t dev) 375 { 376 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 377 struct ata_channel *ch = device_get_softc(dev); 378 struct resource *io = NULL, *ctlio = NULL; 379 int i, rid; 380 381 rid = ATA_IOADDR_RID; 382 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE))) 383 return ENXIO; 384 385 rid = ATA_CTLADDR_RID; 386 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){ 387 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 388 return ENXIO; 389 } 390 391 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) { 392 ch->r_io[i].res = io; 393 ch->r_io[i].offset = i; 394 } 395 ch->r_io[ATA_CONTROL].res = ctlio; 396 ch->r_io[ATA_CONTROL].offset = ata_legacy(device_get_parent(dev)) ? 0 : 2; 397 ch->r_io[ATA_IDX_ADDR].res = io; 398 ata_default_registers(dev); 399 if (ctlr->r_res1) { 400 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) { 401 ch->r_io[i].res = ctlr->r_res1; 402 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE); 403 } 404 } 405 406 ata_pci_hw(dev); 407 return 0; 408 } 409 410 void 411 ata_pci_hw(device_t dev) 412 { 413 struct ata_channel *ch = device_get_softc(dev); 414 415 ata_generic_hw(dev); 416 ch->hw.status = ata_pci_status; 417 } 418 419 int 420 ata_pci_status(device_t dev) 421 { 422 struct ata_channel *ch = device_get_softc(dev); 423 424 if ((dumping || !ata_legacy(device_get_parent(dev))) && 425 ch->dma && ((ch->flags & ATA_ALWAYS_DMASTAT) || 426 (ch->dma->flags & ATA_DMA_ACTIVE))) { 427 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 428 429 if ((bmstat & (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != 430 ATA_BMSTAT_INTERRUPT) 431 return 0; 432 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR); 433 DELAY(1); 434 } 435 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) { 436 DELAY(100); 437 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) 438 return 0; 439 } 440 return 1; 441 } 442 443 static int 444 ata_pci_dmastart(device_t dev) 445 { 446 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 447 448 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) | 449 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); 450 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, ch->dma->sg_bus); 451 ch->dma->flags |= ATA_DMA_ACTIVE; 452 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 453 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) | 454 ((ch->dma->flags & ATA_DMA_READ) ? ATA_BMCMD_WRITE_READ : 0) | 455 ATA_BMCMD_START_STOP); 456 return 0; 457 } 458 459 static int 460 ata_pci_dmastop(device_t dev) 461 { 462 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 463 int error; 464 465 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 466 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 467 ch->dma->flags &= ~ATA_DMA_ACTIVE; 468 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 469 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); 470 return error; 471 } 472 473 static void 474 ata_pci_dmareset(device_t dev) 475 { 476 struct ata_channel *ch = device_get_softc(dev); 477 478 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 479 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 480 ch->dma->flags &= ~ATA_DMA_ACTIVE; 481 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); 482 ch->dma->unload(dev); 483 } 484 485 void 486 ata_pci_dmainit(device_t dev) 487 { 488 struct ata_channel *ch = device_get_softc(dev); 489 490 ata_dmainit(dev); 491 if (ch->dma) { 492 ch->dma->start = ata_pci_dmastart; 493 ch->dma->stop = ata_pci_dmastop; 494 ch->dma->reset = ata_pci_dmareset; 495 } 496 } 497 498 static device_method_t ata_pci_methods[] = { 499 /* device interface */ 500 DEVMETHOD(device_probe, ata_pci_probe), 501 DEVMETHOD(device_attach, ata_pci_attach), 502 DEVMETHOD(device_detach, ata_pci_detach), 503 DEVMETHOD(device_shutdown, bus_generic_shutdown), 504 DEVMETHOD(device_suspend, bus_generic_suspend), 505 DEVMETHOD(device_resume, bus_generic_resume), 506 507 /* bus methods */ 508 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource), 509 DEVMETHOD(bus_release_resource, ata_pci_release_resource), 510 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 511 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 512 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr), 513 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr), 514 515 { 0, 0 } 516 }; 517 518 devclass_t atapci_devclass; 519 520 static driver_t ata_pci_driver = { 521 "atapci", 522 ata_pci_methods, 523 sizeof(struct ata_pci_controller), 524 }; 525 526 DRIVER_MODULE(atapci, pci, ata_pci_driver, atapci_devclass, 0, 0); 527 MODULE_VERSION(atapci, 1); 528 MODULE_DEPEND(atapci, ata, 1, 1, 1); 529 530 static int 531 ata_pcichannel_probe(device_t dev) 532 { 533 struct ata_channel *ch = device_get_softc(dev); 534 device_t *children; 535 int count, i; 536 char buffer[32]; 537 538 /* take care of green memory */ 539 bzero(ch, sizeof(struct ata_channel)); 540 541 /* find channel number on this controller */ 542 device_get_children(device_get_parent(dev), &children, &count); 543 for (i = 0; i < count; i++) { 544 if (children[i] == dev) 545 ch->unit = i; 546 } 547 free(children, M_TEMP); 548 549 sprintf(buffer, "ATA channel %d", ch->unit); 550 device_set_desc_copy(dev, buffer); 551 552 return ata_probe(dev); 553 } 554 555 static int 556 ata_pcichannel_attach(device_t dev) 557 { 558 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 559 struct ata_channel *ch = device_get_softc(dev); 560 int error; 561 562 if (ctlr->dmainit) 563 ctlr->dmainit(dev); 564 if (ch->dma) 565 ch->dma->alloc(dev); 566 567 if ((error = ctlr->allocate(dev))) 568 return error; 569 570 return ata_attach(dev); 571 } 572 573 static int 574 ata_pcichannel_detach(device_t dev) 575 { 576 struct ata_channel *ch = device_get_softc(dev); 577 int error; 578 579 if ((error = ata_detach(dev))) 580 return error; 581 582 if (ch->dma) 583 ch->dma->free(dev); 584 585 /* XXX SOS free resources for io and ctlio ?? */ 586 587 return 0; 588 } 589 590 static int 591 ata_pcichannel_locking(device_t dev, int mode) 592 { 593 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 594 struct ata_channel *ch = device_get_softc(dev); 595 596 if (ctlr->locking) 597 return ctlr->locking(dev, mode); 598 else 599 return ch->unit; 600 } 601 602 static void 603 ata_pcichannel_reset(device_t dev) 604 { 605 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 606 struct ata_channel *ch = device_get_softc(dev); 607 608 /* if DMA engine present reset it */ 609 if (ch->dma) { 610 if (ch->dma->reset) 611 ch->dma->reset(dev); 612 ch->dma->unload(dev); 613 } 614 615 /* reset the controller HW */ 616 if (ctlr->reset) 617 ctlr->reset(dev); 618 else 619 ata_generic_reset(dev); 620 } 621 622 static void 623 ata_pcichannel_setmode(device_t parent, device_t dev) 624 { 625 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev)); 626 struct ata_device *atadev = device_get_softc(dev); 627 int mode = atadev->mode; 628 629 ctlr->setmode(dev, ATA_PIO_MAX); 630 if (mode >= ATA_DMA) 631 ctlr->setmode(dev, mode); 632 } 633 634 static device_method_t ata_pcichannel_methods[] = { 635 /* device interface */ 636 DEVMETHOD(device_probe, ata_pcichannel_probe), 637 DEVMETHOD(device_attach, ata_pcichannel_attach), 638 DEVMETHOD(device_detach, ata_pcichannel_detach), 639 DEVMETHOD(device_shutdown, bus_generic_shutdown), 640 DEVMETHOD(device_suspend, ata_suspend), 641 DEVMETHOD(device_resume, ata_resume), 642 643 /* ATA methods */ 644 DEVMETHOD(ata_setmode, ata_pcichannel_setmode), 645 DEVMETHOD(ata_locking, ata_pcichannel_locking), 646 DEVMETHOD(ata_reset, ata_pcichannel_reset), 647 648 { 0, 0 } 649 }; 650 651 driver_t ata_pcichannel_driver = { 652 "ata", 653 ata_pcichannel_methods, 654 sizeof(struct ata_channel), 655 }; 656 657 DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, 0, 0); 658