1 /*- 2 * Copyright (c) 1998 - 2008 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 58 /* local prototypes */ 59 static int ata_generic_chipinit(device_t dev); 60 static void ata_generic_setmode(device_t dev, int mode); 61 62 /* 63 * generic PCI ATA device probe 64 */ 65 int 66 ata_pci_probe(device_t dev) 67 { 68 struct ata_pci_controller *ctlr = device_get_softc(dev); 69 char buffer[64]; 70 71 /* is this a storage class device ? */ 72 if (pci_get_class(dev) != PCIC_STORAGE) 73 return ENXIO; 74 75 /* is this an IDE/ATA type device ? */ 76 if (pci_get_subclass(dev) != PCIS_STORAGE_IDE) 77 return ENXIO; 78 79 sprintf(buffer, "%s ATA controller", ata_pcivendor2str(dev)); 80 device_set_desc_copy(dev, buffer); 81 ctlr->chipinit = ata_generic_chipinit; 82 83 /* we are a low priority handler */ 84 return -100; 85 } 86 87 int 88 ata_pci_attach(device_t dev) 89 { 90 struct ata_pci_controller *ctlr = device_get_softc(dev); 91 u_int32_t cmd; 92 int unit; 93 94 /* do chipset specific setups only needed once */ 95 if (ata_legacy(dev) || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK) 96 ctlr->channels = 2; 97 else 98 ctlr->channels = 1; 99 ctlr->allocate = ata_pci_allocate; 100 ctlr->dmainit = ata_pci_dmainit; 101 ctlr->dev = dev; 102 103 /* if needed try to enable busmastering */ 104 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 105 if (!(cmd & PCIM_CMD_BUSMASTEREN)) { 106 pci_write_config(dev, PCIR_COMMAND, cmd | PCIM_CMD_BUSMASTEREN, 2); 107 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 108 } 109 110 /* if busmastering mode "stuck" use it */ 111 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) { 112 ctlr->r_type1 = SYS_RES_IOPORT; 113 ctlr->r_rid1 = ATA_BMADDR_RID; 114 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1, 115 RF_ACTIVE); 116 } 117 118 if (ctlr->chipinit(dev)) 119 return ENXIO; 120 121 /* attach all channels on this controller */ 122 for (unit = 0; unit < ctlr->channels; unit++) { 123 if ((unit == 0 || unit == 1) && ata_legacy(dev)) { 124 device_add_child(dev, "ata", unit); 125 continue; 126 } 127 device_add_child(dev, "ata", devclass_find_free_unit(ata_devclass, 2)); 128 } 129 bus_generic_attach(dev); 130 return 0; 131 } 132 133 int 134 ata_pci_detach(device_t dev) 135 { 136 struct ata_pci_controller *ctlr = device_get_softc(dev); 137 device_t *children; 138 int nchildren, i; 139 140 /* detach & delete all children */ 141 if (!device_get_children(dev, &children, &nchildren)) { 142 for (i = 0; i < nchildren; i++) 143 device_delete_child(dev, children[i]); 144 free(children, M_TEMP); 145 } 146 147 if (ctlr->r_irq) { 148 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle); 149 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ctlr->r_irq); 150 } 151 if (ctlr->r_res2) 152 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2); 153 if (ctlr->r_res1) 154 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1); 155 156 return 0; 157 } 158 159 int 160 ata_pci_suspend(device_t dev) 161 { 162 struct ata_pci_controller *ctlr = device_get_softc(dev); 163 int error = 0; 164 165 bus_generic_suspend(dev); 166 if (ctlr->suspend) 167 error = ctlr->suspend(dev); 168 return error; 169 } 170 171 int 172 ata_pci_resume(device_t dev) 173 { 174 struct ata_pci_controller *ctlr = device_get_softc(dev); 175 int error = 0; 176 177 if (ctlr->resume) 178 error = ctlr->resume(dev); 179 bus_generic_resume(dev); 180 return error; 181 } 182 183 struct resource * 184 ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, 185 u_long start, u_long end, u_long count, u_int flags) 186 { 187 struct ata_pci_controller *controller = device_get_softc(dev); 188 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 189 struct resource *res = NULL; 190 int myrid; 191 192 if (type == SYS_RES_IOPORT) { 193 switch (*rid) { 194 case ATA_IOADDR_RID: 195 if (ata_legacy(dev)) { 196 start = (unit ? ATA_SECONDARY : ATA_PRIMARY); 197 count = ATA_IOSIZE; 198 end = start + count - 1; 199 } 200 myrid = PCIR_BAR(0) + (unit << 3); 201 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 202 SYS_RES_IOPORT, &myrid, 203 start, end, count, flags); 204 break; 205 206 case ATA_CTLADDR_RID: 207 if (ata_legacy(dev)) { 208 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + ATA_CTLOFFSET; 209 count = ATA_CTLIOSIZE; 210 end = start + count - 1; 211 } 212 myrid = PCIR_BAR(1) + (unit << 3); 213 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 214 SYS_RES_IOPORT, &myrid, 215 start, end, count, flags); 216 break; 217 } 218 } 219 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) { 220 if (ata_legacy(dev)) { 221 int irq = (unit == 0 ? 14 : 15); 222 223 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 224 SYS_RES_IRQ, rid, irq, irq, 1, flags); 225 } 226 else 227 res = controller->r_irq; 228 } 229 return res; 230 } 231 232 int 233 ata_pci_release_resource(device_t dev, device_t child, int type, int rid, 234 struct resource *r) 235 { 236 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 237 238 if (type == SYS_RES_IOPORT) { 239 switch (rid) { 240 case ATA_IOADDR_RID: 241 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 242 SYS_RES_IOPORT, 243 PCIR_BAR(0) + (unit << 3), r); 244 break; 245 246 case ATA_CTLADDR_RID: 247 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 248 SYS_RES_IOPORT, 249 PCIR_BAR(1) + (unit << 3), r); 250 break; 251 default: 252 return ENOENT; 253 } 254 } 255 if (type == SYS_RES_IRQ) { 256 if (rid != ATA_IRQ_RID) 257 return ENOENT; 258 259 if (ata_legacy(dev)) { 260 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 261 SYS_RES_IRQ, rid, r); 262 } 263 else 264 return 0; 265 } 266 return EINVAL; 267 } 268 269 int 270 ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, 271 int flags, driver_filter_t *filter, driver_intr_t *function, 272 void *argument, void **cookiep) 273 { 274 if (ata_legacy(dev)) { 275 return BUS_SETUP_INTR(device_get_parent(dev), child, irq, 276 flags, filter, function, argument, cookiep); 277 } 278 else { 279 struct ata_pci_controller *controller = device_get_softc(dev); 280 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 281 282 if (filter != NULL) { 283 printf("ata-pci.c: we cannot use a filter here\n"); 284 return (EINVAL); 285 } 286 controller->interrupt[unit].function = function; 287 controller->interrupt[unit].argument = argument; 288 *cookiep = controller; 289 return 0; 290 } 291 } 292 293 int 294 ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, 295 void *cookie) 296 { 297 if (ata_legacy(dev)) { 298 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); 299 } 300 else { 301 struct ata_pci_controller *controller = device_get_softc(dev); 302 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 303 304 controller->interrupt[unit].function = NULL; 305 controller->interrupt[unit].argument = NULL; 306 return 0; 307 } 308 } 309 310 static void 311 ata_generic_setmode(device_t dev, int mode) 312 { 313 struct ata_device *atadev = device_get_softc(dev); 314 315 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 316 mode = ata_check_80pin(dev, mode); 317 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode)) 318 atadev->mode = mode; 319 } 320 321 static int 322 ata_generic_chipinit(device_t dev) 323 { 324 struct ata_pci_controller *ctlr = device_get_softc(dev); 325 326 if (ata_setup_interrupt(dev, ata_generic_intr)) 327 return ENXIO; 328 ctlr->setmode = ata_generic_setmode; 329 return 0; 330 } 331 332 int 333 ata_pci_allocate(device_t dev) 334 { 335 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 336 struct ata_channel *ch = device_get_softc(dev); 337 struct resource *io = NULL, *ctlio = NULL; 338 int i, rid; 339 340 rid = ATA_IOADDR_RID; 341 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE))) 342 return ENXIO; 343 344 rid = ATA_CTLADDR_RID; 345 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){ 346 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 347 return ENXIO; 348 } 349 350 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) { 351 ch->r_io[i].res = io; 352 ch->r_io[i].offset = i; 353 } 354 ch->r_io[ATA_CONTROL].res = ctlio; 355 ch->r_io[ATA_CONTROL].offset = ata_legacy(device_get_parent(dev)) ? 0 : 2; 356 ch->r_io[ATA_IDX_ADDR].res = io; 357 ata_default_registers(dev); 358 if (ctlr->r_res1) { 359 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) { 360 ch->r_io[i].res = ctlr->r_res1; 361 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE); 362 } 363 } 364 365 ata_pci_hw(dev); 366 return 0; 367 } 368 369 int 370 ata_pci_status(device_t dev) 371 { 372 struct ata_channel *ch = device_get_softc(dev); 373 374 if ((dumping || !ata_legacy(device_get_parent(dev))) && 375 ((ch->flags & ATA_ALWAYS_DMASTAT) || 376 (ch->dma.flags & ATA_DMA_ACTIVE))) { 377 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 378 379 if ((bmstat & (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != 380 ATA_BMSTAT_INTERRUPT) 381 return 0; 382 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR); 383 DELAY(1); 384 } 385 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) { 386 DELAY(100); 387 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) 388 return 0; 389 } 390 return 1; 391 } 392 393 void 394 ata_pci_hw(device_t dev) 395 { 396 struct ata_channel *ch = device_get_softc(dev); 397 398 ata_generic_hw(dev); 399 ch->hw.status = ata_pci_status; 400 } 401 402 static int 403 ata_pci_dmastart(struct ata_request *request) 404 { 405 struct ata_channel *ch = device_get_softc(request->parent); 406 407 ATA_DEBUG_RQ(request, "dmastart"); 408 409 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) | 410 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); 411 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, request->dma->sg_bus); 412 ch->dma.flags |= ATA_DMA_ACTIVE; 413 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 414 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) | 415 ((request->flags & ATA_R_READ) ? ATA_BMCMD_WRITE_READ : 0)| 416 ATA_BMCMD_START_STOP); 417 return 0; 418 } 419 420 static int 421 ata_pci_dmastop(struct ata_request *request) 422 { 423 struct ata_channel *ch = device_get_softc(request->parent); 424 int error; 425 426 ATA_DEBUG_RQ(request, "dmastop"); 427 428 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 429 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 430 ch->dma.flags &= ~ATA_DMA_ACTIVE; 431 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 432 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); 433 return error; 434 } 435 436 static void 437 ata_pci_dmareset(device_t dev) 438 { 439 struct ata_channel *ch = device_get_softc(dev); 440 struct ata_request *request; 441 442 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 443 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 444 ch->dma.flags &= ~ATA_DMA_ACTIVE; 445 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); 446 if ((request = ch->running)) { 447 device_printf(request->dev, "DMA reset calling unload\n"); 448 ch->dma.unload(request); 449 } 450 } 451 452 void 453 ata_pci_dmainit(device_t dev) 454 { 455 struct ata_channel *ch = device_get_softc(dev); 456 457 ata_dmainit(dev); 458 ch->dma.start = ata_pci_dmastart; 459 ch->dma.stop = ata_pci_dmastop; 460 ch->dma.reset = ata_pci_dmareset; 461 } 462 463 464 static device_method_t ata_pci_methods[] = { 465 /* device interface */ 466 DEVMETHOD(device_probe, ata_pci_probe), 467 DEVMETHOD(device_attach, ata_pci_attach), 468 DEVMETHOD(device_detach, ata_pci_detach), 469 DEVMETHOD(device_suspend, ata_pci_suspend), 470 DEVMETHOD(device_resume, ata_pci_resume), 471 DEVMETHOD(device_shutdown, bus_generic_shutdown), 472 473 /* bus methods */ 474 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource), 475 DEVMETHOD(bus_release_resource, ata_pci_release_resource), 476 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 477 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 478 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr), 479 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr), 480 481 { 0, 0 } 482 }; 483 484 devclass_t ata_pci_devclass; 485 486 static driver_t ata_pci_driver = { 487 "atapci", 488 ata_pci_methods, 489 sizeof(struct ata_pci_controller), 490 }; 491 492 DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, 0, 0); 493 MODULE_VERSION(atapci, 1); 494 MODULE_DEPEND(atapci, ata, 1, 1, 1); 495 496 static int 497 ata_pcichannel_probe(device_t dev) 498 { 499 struct ata_channel *ch = device_get_softc(dev); 500 device_t *children; 501 int count, i; 502 char buffer[32]; 503 504 /* take care of green memory */ 505 bzero(ch, sizeof(struct ata_channel)); 506 507 /* find channel number on this controller */ 508 device_get_children(device_get_parent(dev), &children, &count); 509 for (i = 0; i < count; i++) { 510 if (children[i] == dev) 511 ch->unit = i; 512 } 513 free(children, M_TEMP); 514 515 sprintf(buffer, "ATA channel %d", ch->unit); 516 device_set_desc_copy(dev, buffer); 517 518 return ata_probe(dev); 519 } 520 521 static int 522 ata_pcichannel_attach(device_t dev) 523 { 524 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 525 int error; 526 527 if (ctlr->dmainit) 528 ctlr->dmainit(dev); 529 530 if ((error = ctlr->allocate(dev))) 531 return error; 532 533 return ata_attach(dev); 534 } 535 536 static int 537 ata_pcichannel_detach(device_t dev) 538 { 539 struct ata_channel *ch = device_get_softc(dev); 540 int error; 541 542 if ((error = ata_detach(dev))) 543 return error; 544 545 ch->dma.free(dev); 546 547 /* XXX SOS free resources for io and ctlio ?? */ 548 549 return 0; 550 } 551 552 static int 553 ata_pcichannel_locking(device_t dev, int mode) 554 { 555 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 556 struct ata_channel *ch = device_get_softc(dev); 557 558 if (ctlr->locking) 559 return ctlr->locking(dev, mode); 560 else 561 return ch->unit; 562 } 563 564 static void 565 ata_pcichannel_reset(device_t dev) 566 { 567 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 568 struct ata_channel *ch = device_get_softc(dev); 569 570 /* if DMA engine present reset it */ 571 if (ch->dma.reset) 572 ch->dma.reset(dev); 573 574 /* reset the controller HW */ 575 if (ctlr->reset) 576 ctlr->reset(dev); 577 else 578 ata_generic_reset(dev); 579 } 580 581 static void 582 ata_pcichannel_setmode(device_t parent, device_t dev) 583 { 584 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev)); 585 struct ata_device *atadev = device_get_softc(dev); 586 int mode = atadev->mode; 587 588 ctlr->setmode(dev, ATA_PIO_MAX); 589 if (mode >= ATA_DMA) 590 ctlr->setmode(dev, mode); 591 } 592 593 static device_method_t ata_pcichannel_methods[] = { 594 /* device interface */ 595 DEVMETHOD(device_probe, ata_pcichannel_probe), 596 DEVMETHOD(device_attach, ata_pcichannel_attach), 597 DEVMETHOD(device_detach, ata_pcichannel_detach), 598 DEVMETHOD(device_shutdown, bus_generic_shutdown), 599 DEVMETHOD(device_suspend, ata_suspend), 600 DEVMETHOD(device_resume, ata_resume), 601 602 /* ATA methods */ 603 DEVMETHOD(ata_setmode, ata_pcichannel_setmode), 604 DEVMETHOD(ata_locking, ata_pcichannel_locking), 605 DEVMETHOD(ata_reset, ata_pcichannel_reset), 606 607 { 0, 0 } 608 }; 609 610 driver_t ata_pcichannel_driver = { 611 "ata", 612 ata_pcichannel_methods, 613 sizeof(struct ata_channel), 614 }; 615 616 DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, 0, 0); 617 618 619 /* 620 * misc support fucntions 621 */ 622 int 623 ata_legacy(device_t dev) 624 { 625 return (((pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&& 626 ((pci_read_config(dev, PCIR_PROGIF, 1) & 627 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) != 628 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) || 629 (!pci_read_config(dev, PCIR_BAR(0), 4) && 630 !pci_read_config(dev, PCIR_BAR(1), 4) && 631 !pci_read_config(dev, PCIR_BAR(2), 4) && 632 !pci_read_config(dev, PCIR_BAR(3), 4) && 633 !pci_read_config(dev, PCIR_BAR(5), 4))); 634 } 635 636 void 637 ata_generic_intr(void *data) 638 { 639 struct ata_pci_controller *ctlr = data; 640 struct ata_channel *ch; 641 int unit; 642 643 for (unit = 0; unit < ctlr->channels; unit++) { 644 if ((ch = ctlr->interrupt[unit].argument)) 645 ctlr->interrupt[unit].function(ch); 646 } 647 } 648 649 int 650 ata_setup_interrupt(device_t dev, void *intr_func) 651 { 652 struct ata_pci_controller *ctlr = device_get_softc(dev); 653 int rid = ATA_IRQ_RID; 654 655 if (!ata_legacy(dev)) { 656 if (!(ctlr->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 657 RF_SHAREABLE | RF_ACTIVE))) { 658 device_printf(dev, "unable to map interrupt\n"); 659 return ENXIO; 660 } 661 if ((bus_setup_intr(dev, ctlr->r_irq, ATA_INTR_FLAGS, NULL, 662 intr_func, ctlr, &ctlr->handle))) { 663 /* SOS XXX release r_irq */ 664 device_printf(dev, "unable to setup interrupt\n"); 665 return ENXIO; 666 } 667 } 668 return 0; 669 } 670 671 void 672 ata_set_desc(device_t dev) 673 { 674 struct ata_pci_controller *ctlr = device_get_softc(dev); 675 char buffer[128]; 676 677 sprintf(buffer, "%s %s %s controller", 678 ata_pcivendor2str(dev), ctlr->chip->text, 679 ata_mode2str(ctlr->chip->max_dma)); 680 device_set_desc_copy(dev, buffer); 681 } 682 683 struct ata_chip_id * 684 ata_match_chip(device_t dev, struct ata_chip_id *index) 685 { 686 while (index->chipid != 0) { 687 if (pci_get_devid(dev) == index->chipid && 688 pci_get_revid(dev) >= index->chiprev) 689 return index; 690 index++; 691 } 692 return NULL; 693 } 694 695 struct ata_chip_id * 696 ata_find_chip(device_t dev, struct ata_chip_id *index, int slot) 697 { 698 device_t *children; 699 int nchildren, i; 700 701 if (device_get_children(device_get_parent(dev), &children, &nchildren)) 702 return 0; 703 704 while (index->chipid != 0) { 705 for (i = 0; i < nchildren; i++) { 706 if (((slot >= 0 && pci_get_slot(children[i]) == slot) || 707 (slot < 0 && pci_get_slot(children[i]) <= -slot)) && 708 pci_get_devid(children[i]) == index->chipid && 709 pci_get_revid(children[i]) >= index->chiprev) { 710 free(children, M_TEMP); 711 return index; 712 } 713 } 714 index++; 715 } 716 free(children, M_TEMP); 717 return NULL; 718 } 719 720 void 721 ata_print_cable(device_t dev, u_int8_t *who) 722 { 723 device_printf(dev, 724 "DMA limited to UDMA33, %s found non-ATA66 cable\n", who); 725 } 726 727 int 728 ata_check_80pin(device_t dev, int mode) 729 { 730 struct ata_device *atadev = device_get_softc(dev); 731 732 if (!ata_dma_check_80pin) { 733 if (bootverbose) 734 device_printf(dev, "Skipping 80pin cable check\n"); 735 return mode; 736 } 737 738 if (mode > ATA_UDMA2 && !(atadev->param.hwres & ATA_CABLE_ID)) { 739 ata_print_cable(dev, "device"); 740 mode = ATA_UDMA2; 741 } 742 return mode; 743 } 744 745 char * 746 ata_pcivendor2str(device_t dev) 747 { 748 switch (pci_get_vendor(dev)) { 749 case ATA_ACARD_ID: return "Acard"; 750 case ATA_ACER_LABS_ID: return "AcerLabs"; 751 case ATA_AMD_ID: return "AMD"; 752 case ATA_ADAPTEC_ID: return "Adaptec"; 753 case ATA_ATI_ID: return "ATI"; 754 case ATA_CYRIX_ID: return "Cyrix"; 755 case ATA_CYPRESS_ID: return "Cypress"; 756 case ATA_HIGHPOINT_ID: return "HighPoint"; 757 case ATA_INTEL_ID: return "Intel"; 758 case ATA_ITE_ID: return "ITE"; 759 case ATA_JMICRON_ID: return "JMicron"; 760 case ATA_MARVELL_ID: return "Marvell"; 761 case ATA_NATIONAL_ID: return "National"; 762 case ATA_NETCELL_ID: return "Netcell"; 763 case ATA_NVIDIA_ID: return "nVidia"; 764 case ATA_PROMISE_ID: return "Promise"; 765 case ATA_SERVERWORKS_ID: return "ServerWorks"; 766 case ATA_SILICON_IMAGE_ID: return "SiI"; 767 case ATA_SIS_ID: return "SiS"; 768 case ATA_VIA_ID: return "VIA"; 769 case ATA_CENATEK_ID: return "Cenatek"; 770 case ATA_MICRON_ID: return "Micron"; 771 default: return "Generic"; 772 } 773 } 774 775 int 776 ata_mode2idx(int mode) 777 { 778 if ((mode & ATA_DMA_MASK) == ATA_UDMA0) 779 return (mode & ATA_MODE_MASK) + 8; 780 if ((mode & ATA_DMA_MASK) == ATA_WDMA0) 781 return (mode & ATA_MODE_MASK) + 5; 782 return (mode & ATA_MODE_MASK) - ATA_PIO0; 783 } 784 785