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 52MALLOC_DEFINE(M_ATAPCI, "ata_pci", "ATA driver PCI"); 53 54/* misc defines */ 55#define IOMASK 0xfffffffc 56 57/* 58 * generic PCI ATA device probe 59 */ 60int 61ata_pci_probe(device_t dev) 62{ 63 struct ata_pci_controller *ctlr = device_get_softc(dev); 64 char buffer[64]; 65 66 /* is this a storage class device ? */ 67 if (pci_get_class(dev) != PCIC_STORAGE) 68 return (ENXIO); 69 70 /* is this an IDE/ATA type device ? */ 71 if (pci_get_subclass(dev) != PCIS_STORAGE_IDE) 72 return (ENXIO); 73 74 sprintf(buffer, "%s ATA controller", ata_pcivendor2str(dev)); 75 device_set_desc_copy(dev, buffer); 76 ctlr->chipinit = ata_generic_chipinit; 77 78 /* we are a low priority handler */ 79 return (BUS_PROBE_GENERIC); 80} 81 82int 83ata_pci_attach(device_t dev) 84{ 85 struct ata_pci_controller *ctlr = device_get_softc(dev); 86 device_t child; 87 u_int32_t cmd; 88 int unit; 89 90 /* do chipset specific setups only needed once */ 91 ctlr->legacy = ata_legacy(dev); 92 if (ctlr->legacy || pci_read_config(dev, PCIR_BAR(2), 4) & IOMASK) 93 ctlr->channels = 2; 94 else 95 ctlr->channels = 1; 96 ctlr->ichannels = -1; 97 ctlr->ch_attach = ata_pci_ch_attach; 98 ctlr->ch_detach = ata_pci_ch_detach; 99 ctlr->dev = dev; 100 101 /* if needed try to enable busmastering */ 102 pci_enable_busmaster(dev); 103 cmd = pci_read_config(dev, PCIR_COMMAND, 2); 104 105 /* if busmastering mode "stuck" use it */ 106 if ((cmd & PCIM_CMD_BUSMASTEREN) == PCIM_CMD_BUSMASTEREN) { 107 ctlr->r_type1 = SYS_RES_IOPORT; 108 ctlr->r_rid1 = ATA_BMADDR_RID; 109 ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1, 110 RF_ACTIVE); 111 } 112 113 if (ctlr->chipinit(dev)) 114 return ENXIO; 115 116 /* attach all channels on this controller */ 117 for (unit = 0; unit < ctlr->channels; unit++) { 118 if ((ctlr->ichannels & (1 << unit)) == 0) 119 continue; 120 child = device_add_child(dev, "ata", 121 ((unit == 0 || unit == 1) && ctlr->legacy) ? 122 unit : devclass_find_free_unit(ata_devclass, 2)); 123 if (child == NULL) 124 device_printf(dev, "failed to add ata child device\n"); 125 else 126 device_set_ivars(child, (void *)(intptr_t)unit); 127 } 128 bus_generic_attach(dev); 129 return 0; 130} 131 132int 133ata_pci_detach(device_t dev) 134{ 135 struct ata_pci_controller *ctlr = device_get_softc(dev); 136 137 /* detach & delete all children */ 138 device_delete_children(dev); 139 140 if (ctlr->r_irq) { 141 bus_teardown_intr(dev, ctlr->r_irq, ctlr->handle); 142 bus_release_resource(dev, SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq); 143 if (ctlr->r_irq_rid != ATA_IRQ_RID) 144 pci_release_msi(dev); 145 } 146 if (ctlr->chipdeinit != NULL) 147 ctlr->chipdeinit(dev); 148 if (ctlr->r_res2) { 149#ifdef __sparc64__ 150 bus_space_unmap(rman_get_bustag(ctlr->r_res2), 151 rman_get_bushandle(ctlr->r_res2), rman_get_size(ctlr->r_res2)); 152#endif 153 bus_release_resource(dev, ctlr->r_type2, ctlr->r_rid2, ctlr->r_res2); 154 } 155 if (ctlr->r_res1) { 156#ifdef __sparc64__ 157 bus_space_unmap(rman_get_bustag(ctlr->r_res1), 158 rman_get_bushandle(ctlr->r_res1), rman_get_size(ctlr->r_res1)); 159#endif 160 bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1, ctlr->r_res1); 161 } 162 163 return 0; 164} 165 166int 167ata_pci_suspend(device_t dev) 168{ 169 struct ata_pci_controller *ctlr = device_get_softc(dev); 170 int error = 0; 171 172 bus_generic_suspend(dev); 173 if (ctlr->suspend) 174 error = ctlr->suspend(dev); 175 return error; 176} 177 178int 179ata_pci_resume(device_t dev) 180{ 181 struct ata_pci_controller *ctlr = device_get_softc(dev); 182 int error = 0; 183 184 if (ctlr->resume) 185 error = ctlr->resume(dev); 186 bus_generic_resume(dev); 187 return error; 188} 189 190int 191ata_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) 192{ 193 194 return (BUS_READ_IVAR(device_get_parent(dev), dev, which, result)); 195} 196 197int 198ata_pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value) 199{ 200 201 return (BUS_WRITE_IVAR(device_get_parent(dev), dev, which, value)); 202} 203 204uint32_t 205ata_pci_read_config(device_t dev, device_t child, int reg, int width) 206{ 207 208 return (pci_read_config(dev, reg, width)); 209} 210 211void 212ata_pci_write_config(device_t dev, device_t child, int reg, 213 uint32_t val, int width) 214{ 215 216 pci_write_config(dev, reg, val, width); 217} 218 219struct resource * 220ata_pci_alloc_resource(device_t dev, device_t child, int type, int *rid, 221 u_long start, u_long end, u_long count, u_int flags) 222{ 223 struct ata_pci_controller *controller = device_get_softc(dev); 224 struct resource *res = NULL; 225 226 if (device_get_devclass(child) == ata_devclass) { 227 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 228 int myrid; 229 230 if (type == SYS_RES_IOPORT) { 231 switch (*rid) { 232 case ATA_IOADDR_RID: 233 if (controller->legacy) { 234 start = (unit ? ATA_SECONDARY : ATA_PRIMARY); 235 count = ATA_IOSIZE; 236 end = start + count - 1; 237 } 238 myrid = PCIR_BAR(0) + (unit << 3); 239 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 240 SYS_RES_IOPORT, &myrid, 241 start, end, count, flags); 242 break; 243 case ATA_CTLADDR_RID: 244 if (controller->legacy) { 245 start = (unit ? ATA_SECONDARY : ATA_PRIMARY) + 246 ATA_CTLOFFSET; 247 count = ATA_CTLIOSIZE; 248 end = start + count - 1; 249 } 250 myrid = PCIR_BAR(1) + (unit << 3); 251 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 252 SYS_RES_IOPORT, &myrid, 253 start, end, count, flags); 254 break; 255 } 256 } 257 if (type == SYS_RES_IRQ && *rid == ATA_IRQ_RID) { 258 if (controller->legacy) { 259 int irq = (unit == 0 ? 14 : 15); 260 261 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 262 SYS_RES_IRQ, rid, irq, irq, 1, flags); 263 } else 264 res = controller->r_irq; 265 } 266 } else { 267 if (type == SYS_RES_IRQ) { 268 if (*rid != ATA_IRQ_RID) 269 return (NULL); 270 res = controller->r_irq; 271 } else { 272 res = BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, 273 type, rid, start, end, count, flags); 274 } 275 } 276 return (res); 277} 278 279int 280ata_pci_release_resource(device_t dev, device_t child, int type, int rid, 281 struct resource *r) 282{ 283 284 if (device_get_devclass(child) == ata_devclass) { 285 struct ata_pci_controller *controller = device_get_softc(dev); 286 int unit = ((struct ata_channel *)device_get_softc(child))->unit; 287 288 if (type == SYS_RES_IOPORT) { 289 switch (rid) { 290 case ATA_IOADDR_RID: 291 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 292 SYS_RES_IOPORT, 293 PCIR_BAR(0) + (unit << 3), r); 294 case ATA_CTLADDR_RID: 295 return BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, 296 SYS_RES_IOPORT, 297 PCIR_BAR(1) + (unit << 3), r); 298 default: 299 return ENOENT; 300 } 301 } 302 if (type == SYS_RES_IRQ) { 303 if (rid != ATA_IRQ_RID) 304 return ENOENT; 305 if (controller->legacy) { 306 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 307 SYS_RES_IRQ, rid, r); 308 } else 309 return 0; 310 } 311 } else { 312 if (type == SYS_RES_IRQ) { 313 if (rid != ATA_IRQ_RID) 314 return (ENOENT); 315 return (0); 316 } else { 317 return (BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 318 type, rid, r)); 319 } 320 } 321 return (EINVAL); 322} 323 324int 325ata_pci_setup_intr(device_t dev, device_t child, struct resource *irq, 326 int flags, driver_filter_t *filter, driver_intr_t *function, 327 void *argument, void **cookiep) 328{ 329 struct ata_pci_controller *controller = device_get_softc(dev); 330 331 if (controller->legacy) { 332 return BUS_SETUP_INTR(device_get_parent(dev), child, irq, 333 flags, filter, function, argument, cookiep); 334 } else { 335 struct ata_pci_controller *controller = device_get_softc(dev); 336 int unit; 337 338 if (filter != NULL) { 339 printf("ata-pci.c: we cannot use a filter here\n"); 340 return (EINVAL); 341 } 342 if (device_get_devclass(child) == ata_devclass) 343 unit = ((struct ata_channel *)device_get_softc(child))->unit; 344 else 345 unit = ATA_PCI_MAX_CH - 1; 346 controller->interrupt[unit].function = function; 347 controller->interrupt[unit].argument = argument; 348 *cookiep = controller; 349 return 0; 350 } 351} 352 353int 354ata_pci_teardown_intr(device_t dev, device_t child, struct resource *irq, 355 void *cookie) 356{ 357 struct ata_pci_controller *controller = device_get_softc(dev); 358 359 if (controller->legacy) { 360 return BUS_TEARDOWN_INTR(device_get_parent(dev), child, irq, cookie); 361 } else { 362 struct ata_pci_controller *controller = device_get_softc(dev); 363 int unit; 364 365 if (device_get_devclass(child) == ata_devclass) 366 unit = ((struct ata_channel *)device_get_softc(child))->unit; 367 else 368 unit = ATA_PCI_MAX_CH - 1; 369 controller->interrupt[unit].function = NULL; 370 controller->interrupt[unit].argument = NULL; 371 return 0; 372 } 373} 374 375int 376ata_generic_setmode(device_t dev, int target, int mode) 377{ 378 379 return (min(mode, ATA_UDMA2)); 380} 381 382int 383ata_generic_chipinit(device_t dev) 384{ 385 struct ata_pci_controller *ctlr = device_get_softc(dev); 386 387 if (ata_setup_interrupt(dev, ata_generic_intr)) 388 return ENXIO; 389 ctlr->setmode = ata_generic_setmode; 390 return 0; 391} 392 393int 394ata_pci_ch_attach(device_t dev) 395{ 396 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 397 struct ata_channel *ch = device_get_softc(dev); 398 struct resource *io = NULL, *ctlio = NULL; 399 int i, rid; 400 401 rid = ATA_IOADDR_RID; 402 if (!(io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE))) 403 return ENXIO; 404 405 rid = ATA_CTLADDR_RID; 406 if (!(ctlio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,RF_ACTIVE))){ 407 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 408 return ENXIO; 409 } 410 411 ata_pci_dmainit(dev); 412 413 for (i = ATA_DATA; i <= ATA_COMMAND; i ++) { 414 ch->r_io[i].res = io; 415 ch->r_io[i].offset = i; 416 } 417 ch->r_io[ATA_CONTROL].res = ctlio; 418 ch->r_io[ATA_CONTROL].offset = ctlr->legacy ? 0 : 2; 419 ch->r_io[ATA_IDX_ADDR].res = io; 420 ata_default_registers(dev); 421 if (ctlr->r_res1) { 422 for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) { 423 ch->r_io[i].res = ctlr->r_res1; 424 ch->r_io[i].offset = (i - ATA_BMCMD_PORT) + (ch->unit*ATA_BMIOSIZE); 425 } 426 } 427 428 ata_pci_hw(dev); 429 return 0; 430} 431 432int 433ata_pci_ch_detach(device_t dev) 434{ 435 struct ata_channel *ch = device_get_softc(dev); 436 437 ata_pci_dmafini(dev); 438 439 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, 440 ch->r_io[ATA_CONTROL].res); 441 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, 442 ch->r_io[ATA_IDX_ADDR].res); 443 444 return (0); 445} 446 447int 448ata_pci_status(device_t dev) 449{ 450 struct ata_pci_controller *controller = 451 device_get_softc(device_get_parent(dev)); 452 struct ata_channel *ch = device_get_softc(dev); 453 454 if ((dumping || !controller->legacy) && 455 ((ch->flags & ATA_ALWAYS_DMASTAT) || 456 (ch->dma.flags & ATA_DMA_ACTIVE))) { 457 int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 458 459 if ((bmstat & ATA_BMSTAT_INTERRUPT) == 0) 460 return 0; 461 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR); 462 DELAY(1); 463 } 464 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) { 465 DELAY(100); 466 if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) 467 return 0; 468 } 469 return 1; 470} 471 472void 473ata_pci_hw(device_t dev) 474{ 475 struct ata_channel *ch = device_get_softc(dev); 476 477 ata_generic_hw(dev); 478 ch->hw.status = ata_pci_status; 479} 480 481static int 482ata_pci_dmastart(struct ata_request *request) 483{ 484 struct ata_channel *ch = device_get_softc(request->parent); 485 486 ATA_DEBUG_RQ(request, "dmastart"); 487 488 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, (ATA_IDX_INB(ch, ATA_BMSTAT_PORT) | 489 (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); 490 ATA_IDX_OUTL(ch, ATA_BMDTP_PORT, request->dma->sg_bus); 491 ch->dma.flags |= ATA_DMA_ACTIVE; 492 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 493 (ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_WRITE_READ) | 494 ((request->flags & ATA_R_READ) ? ATA_BMCMD_WRITE_READ : 0)| 495 ATA_BMCMD_START_STOP); 496 return 0; 497} 498 499static int 500ata_pci_dmastop(struct ata_request *request) 501{ 502 struct ata_channel *ch = device_get_softc(request->parent); 503 int error; 504 505 ATA_DEBUG_RQ(request, "dmastop"); 506 507 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 508 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 509 ch->dma.flags &= ~ATA_DMA_ACTIVE; 510 error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; 511 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); 512 return error; 513} 514 515static void 516ata_pci_dmareset(device_t dev) 517{ 518 struct ata_channel *ch = device_get_softc(dev); 519 struct ata_request *request; 520 521 ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, 522 ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); 523 ch->dma.flags &= ~ATA_DMA_ACTIVE; 524 ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); 525 if ((request = ch->running)) { 526 device_printf(dev, "DMA reset calling unload\n"); 527 ch->dma.unload(request); 528 } 529} 530 531void 532ata_pci_dmainit(device_t dev) 533{ 534 struct ata_channel *ch = device_get_softc(dev); 535 536 ata_dmainit(dev); 537 ch->dma.start = ata_pci_dmastart; 538 ch->dma.stop = ata_pci_dmastop; 539 ch->dma.reset = ata_pci_dmareset; 540} 541 542void 543ata_pci_dmafini(device_t dev) 544{ 545 546 ata_dmafini(dev); 547} 548 549int 550ata_pci_print_child(device_t dev, device_t child) 551{ 552 int retval; 553 554 retval = bus_print_child_header(dev, child); 555 retval += printf(" at channel %d", 556 (int)(intptr_t)device_get_ivars(child)); 557 retval += bus_print_child_footer(dev, child); 558 559 return (retval); 560} 561 562int 563ata_pci_child_location_str(device_t dev, device_t child, char *buf, 564 size_t buflen) 565{ 566 567 snprintf(buf, buflen, "channel=%d", 568 (int)(intptr_t)device_get_ivars(child)); 569 return (0); 570} 571 572static bus_dma_tag_t 573ata_pci_get_dma_tag(device_t bus, device_t child) 574{ 575 576 return (bus_get_dma_tag(bus)); 577} 578 579static device_method_t ata_pci_methods[] = { 580 /* device interface */ 581 DEVMETHOD(device_probe, ata_pci_probe), 582 DEVMETHOD(device_attach, ata_pci_attach), 583 DEVMETHOD(device_detach, ata_pci_detach), 584 DEVMETHOD(device_suspend, ata_pci_suspend), 585 DEVMETHOD(device_resume, ata_pci_resume), 586 DEVMETHOD(device_shutdown, bus_generic_shutdown), 587 588 /* bus methods */ 589 DEVMETHOD(bus_read_ivar, ata_pci_read_ivar), 590 DEVMETHOD(bus_write_ivar, ata_pci_write_ivar), 591 DEVMETHOD(bus_alloc_resource, ata_pci_alloc_resource), 592 DEVMETHOD(bus_release_resource, ata_pci_release_resource), 593 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 594 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 595 DEVMETHOD(bus_setup_intr, ata_pci_setup_intr), 596 DEVMETHOD(bus_teardown_intr, ata_pci_teardown_intr), 597 DEVMETHOD(pci_read_config, ata_pci_read_config), 598 DEVMETHOD(pci_write_config, ata_pci_write_config), 599 DEVMETHOD(bus_print_child, ata_pci_print_child), 600 DEVMETHOD(bus_child_location_str, ata_pci_child_location_str), 601 DEVMETHOD(bus_get_dma_tag, ata_pci_get_dma_tag), 602 603 DEVMETHOD_END 604}; 605 606devclass_t ata_pci_devclass; 607 608static driver_t ata_pci_driver = { 609 "atapci", 610 ata_pci_methods, 611 sizeof(struct ata_pci_controller), 612}; 613 614DRIVER_MODULE(atapci, pci, ata_pci_driver, ata_pci_devclass, NULL, NULL); 615MODULE_VERSION(atapci, 1); 616MODULE_DEPEND(atapci, ata, 1, 1, 1); 617 618static int 619ata_pcichannel_probe(device_t dev) 620{ 621 622 if ((intptr_t)device_get_ivars(dev) < 0) 623 return (ENXIO); 624 device_set_desc(dev, "ATA channel"); 625 626 return ata_probe(dev); 627} 628 629static int 630ata_pcichannel_attach(device_t dev) 631{ 632 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 633 struct ata_channel *ch = device_get_softc(dev); 634 int error; 635 636 if (ch->attached) 637 return (0); 638 ch->attached = 1; 639 640 ch->dev = dev; 641 ch->unit = (intptr_t)device_get_ivars(dev); 642 643 resource_int_value(device_get_name(dev), 644 device_get_unit(dev), "pm_level", &ch->pm_level); 645 646 if ((error = ctlr->ch_attach(dev))) 647 return error; 648 649 return ata_attach(dev); 650} 651 652static int 653ata_pcichannel_detach(device_t dev) 654{ 655 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 656 struct ata_channel *ch = device_get_softc(dev); 657 int error; 658 659 if (!ch->attached) 660 return (0); 661 ch->attached = 0; 662 663 if ((error = ata_detach(dev))) 664 return error; 665 666 if (ctlr->ch_detach) 667 return (ctlr->ch_detach(dev)); 668 669 return (0); 670} 671static int 672ata_pcichannel_suspend(device_t dev) 673{ 674 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 675 struct ata_channel *ch = device_get_softc(dev); 676 int error; 677 678 if (!ch->attached) 679 return (0); 680 681 if ((error = ata_suspend(dev))) 682 return (error); 683 684 if (ctlr->ch_suspend != NULL && (error = ctlr->ch_suspend(dev))) 685 return (error); 686 687 return (0); 688} 689 690static int 691ata_pcichannel_resume(device_t dev) 692{ 693 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 694 struct ata_channel *ch = device_get_softc(dev); 695 int error; 696 697 if (!ch->attached) 698 return (0); 699 700 if (ctlr->ch_resume != NULL && (error = ctlr->ch_resume(dev))) 701 return (error); 702 703 return ata_resume(dev); 704} 705 706 707#ifndef ATA_CAM 708static int 709ata_pcichannel_locking(device_t dev, int mode) 710{ 711 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 712 struct ata_channel *ch = device_get_softc(dev); 713 714 if (ctlr->locking) 715 return ctlr->locking(dev, mode); 716 else 717 return ch->unit; 718} 719#endif 720 721static void 722ata_pcichannel_reset(device_t dev) 723{ 724 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 725 struct ata_channel *ch = device_get_softc(dev); 726 727 /* if DMA engine present reset it */ 728 if (ch->dma.reset) 729 ch->dma.reset(dev); 730 731 /* reset the controller HW */ 732 if (ctlr->reset) 733 ctlr->reset(dev); 734 else 735 ata_generic_reset(dev); 736} 737 738static int 739ata_pcichannel_setmode(device_t dev, int target, int mode) 740{ 741 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 742 743 if (ctlr->setmode) 744 return (ctlr->setmode(dev, target, mode)); 745 else 746 return (ata_generic_setmode(dev, target, mode)); 747} 748 749static int 750ata_pcichannel_getrev(device_t dev, int target) 751{ 752 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 753 struct ata_channel *ch = device_get_softc(dev); 754 755 if (ch->flags & ATA_SATA) { 756 if (ctlr->getrev) 757 return (ctlr->getrev(dev, target)); 758 else 759 return (0xff); 760 } else 761 return (0); 762} 763 764static device_method_t ata_pcichannel_methods[] = { 765 /* device interface */ 766 DEVMETHOD(device_probe, ata_pcichannel_probe), 767 DEVMETHOD(device_attach, ata_pcichannel_attach), 768 DEVMETHOD(device_detach, ata_pcichannel_detach), 769 DEVMETHOD(device_shutdown, bus_generic_shutdown), 770 DEVMETHOD(device_suspend, ata_pcichannel_suspend), 771 DEVMETHOD(device_resume, ata_pcichannel_resume), 772 773 /* ATA methods */ 774 DEVMETHOD(ata_setmode, ata_pcichannel_setmode), 775 DEVMETHOD(ata_getrev, ata_pcichannel_getrev), 776#ifndef ATA_CAM 777 DEVMETHOD(ata_locking, ata_pcichannel_locking), 778#endif 779 DEVMETHOD(ata_reset, ata_pcichannel_reset), 780 781 DEVMETHOD_END 782}; 783 784driver_t ata_pcichannel_driver = { 785 "ata", 786 ata_pcichannel_methods, 787 sizeof(struct ata_channel), 788}; 789 790DRIVER_MODULE(ata, atapci, ata_pcichannel_driver, ata_devclass, NULL, NULL); 791 792/* 793 * misc support fucntions 794 */ 795int 796ata_legacy(device_t dev) 797{ 798 return (((pci_read_config(dev, PCIR_SUBCLASS, 1) == PCIS_STORAGE_IDE) && 799 (pci_read_config(dev, PCIR_PROGIF, 1)&PCIP_STORAGE_IDE_MASTERDEV)&& 800 ((pci_read_config(dev, PCIR_PROGIF, 1) & 801 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC)) != 802 (PCIP_STORAGE_IDE_MODEPRIM | PCIP_STORAGE_IDE_MODESEC))) || 803 (!pci_read_config(dev, PCIR_BAR(0), 4) && 804 !pci_read_config(dev, PCIR_BAR(1), 4) && 805 !pci_read_config(dev, PCIR_BAR(2), 4) && 806 !pci_read_config(dev, PCIR_BAR(3), 4) && 807 !pci_read_config(dev, PCIR_BAR(5), 4))); 808} 809 810void 811ata_generic_intr(void *data) 812{ 813 struct ata_pci_controller *ctlr = data; 814 struct ata_channel *ch; 815 int unit; 816 817 for (unit = 0; unit < ATA_PCI_MAX_CH; unit++) { 818 if ((ch = ctlr->interrupt[unit].argument)) 819 ctlr->interrupt[unit].function(ch); 820 } 821} 822 823int 824ata_setup_interrupt(device_t dev, void *intr_func) 825{ 826 struct ata_pci_controller *ctlr = device_get_softc(dev); 827 int i, msi = 0; 828 829 if (!ctlr->legacy) { 830 if (resource_int_value(device_get_name(dev), 831 device_get_unit(dev), "msi", &i) == 0 && i != 0) 832 msi = 1; 833 if (msi && pci_msi_count(dev) > 0 && pci_alloc_msi(dev, &msi) == 0) { 834 ctlr->r_irq_rid = 0x1; 835 } else { 836 msi = 0; 837 ctlr->r_irq_rid = ATA_IRQ_RID; 838 } 839 if (!(ctlr->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 840 &ctlr->r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 841 device_printf(dev, "unable to map interrupt\n"); 842 if (msi) 843 pci_release_msi(dev); 844 return ENXIO; 845 } 846 if ((bus_setup_intr(dev, ctlr->r_irq, ATA_INTR_FLAGS, NULL, 847 intr_func, ctlr, &ctlr->handle))) { 848 device_printf(dev, "unable to setup interrupt\n"); 849 bus_release_resource(dev, 850 SYS_RES_IRQ, ctlr->r_irq_rid, ctlr->r_irq); 851 if (msi) 852 pci_release_msi(dev); 853 return ENXIO; 854 } 855 } 856 return 0; 857} 858 859void 860ata_set_desc(device_t dev) 861{ 862 struct ata_pci_controller *ctlr = device_get_softc(dev); 863 char buffer[128]; 864 865 sprintf(buffer, "%s %s %s controller", 866 ata_pcivendor2str(dev), ctlr->chip->text, 867 ata_mode2str(ctlr->chip->max_dma)); 868 device_set_desc_copy(dev, buffer); 869} 870 871const struct ata_chip_id * 872ata_match_chip(device_t dev, const struct ata_chip_id *index) 873{ 874 uint32_t devid; 875 uint8_t revid; 876 877 devid = pci_get_devid(dev); 878 revid = pci_get_revid(dev); 879 while (index->chipid != 0) { 880 if (devid == index->chipid && revid >= index->chiprev) 881 return (index); 882 index++; 883 } 884 return (NULL); 885} 886 887const struct ata_chip_id * 888ata_find_chip(device_t dev, const struct ata_chip_id *index, int slot) 889{ 890 const struct ata_chip_id *idx; 891 device_t *children; 892 int nchildren, i; 893 uint8_t s; 894 895 if (device_get_children(device_get_parent(dev), &children, &nchildren)) 896 return (NULL); 897 898 for (i = 0; i < nchildren; i++) { 899 s = pci_get_slot(children[i]); 900 if ((slot >= 0 && s == slot) || (slot < 0 && s <= -slot)) { 901 idx = ata_match_chip(children[i], index); 902 if (idx != NULL) { 903 free(children, M_TEMP); 904 return (idx); 905 } 906 } 907 } 908 free(children, M_TEMP); 909 return (NULL); 910} 911 912const char * 913ata_pcivendor2str(device_t dev) 914{ 915 switch (pci_get_vendor(dev)) { 916 case ATA_ACARD_ID: return "Acard"; 917 case ATA_ACER_LABS_ID: return "AcerLabs"; 918 case ATA_AMD_ID: return "AMD"; 919 case ATA_ADAPTEC_ID: return "Adaptec"; 920 case ATA_ATI_ID: return "ATI"; 921 case ATA_CYRIX_ID: return "Cyrix"; 922 case ATA_CYPRESS_ID: return "Cypress"; 923 case ATA_HIGHPOINT_ID: return "HighPoint"; 924 case ATA_INTEL_ID: return "Intel"; 925 case ATA_ITE_ID: return "ITE"; 926 case ATA_JMICRON_ID: return "JMicron"; 927 case ATA_MARVELL_ID: return "Marvell"; 928 case ATA_MARVELL2_ID: return "Marvell"; 929 case ATA_NATIONAL_ID: return "National"; 930 case ATA_NETCELL_ID: return "Netcell"; 931 case ATA_NVIDIA_ID: return "nVidia"; 932 case ATA_PROMISE_ID: return "Promise"; 933 case ATA_SERVERWORKS_ID: return "ServerWorks"; 934 case ATA_SILICON_IMAGE_ID: return "SiI"; 935 case ATA_SIS_ID: return "SiS"; 936 case ATA_VIA_ID: return "VIA"; 937 case ATA_CENATEK_ID: return "Cenatek"; 938 case ATA_MICRON_ID: return "Micron"; 939 default: return "Generic"; 940 } 941} 942 943int 944ata_mode2idx(int mode) 945{ 946 if ((mode & ATA_DMA_MASK) == ATA_UDMA0) 947 return (mode & ATA_MODE_MASK) + 8; 948 if ((mode & ATA_DMA_MASK) == ATA_WDMA0) 949 return (mode & ATA_MODE_MASK) + 5; 950 return (mode & ATA_MODE_MASK) - ATA_PIO0; 951} 952