Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/cardbus/cardbus.c
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1 /*- 2 * Copyright (c) 2003 M. Warner Losh. All Rights Reserved. 3 * Copyright (c) 2000,2001 Jonathan Chen. 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD: releng/6.0/sys/dev/cardbus/cardbus.c 143785 2005-03-18 05:19:50Z imp $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/malloc.h> 33 #include <sys/module.h> 34 #include <sys/kernel.h> 35 #include <sys/sysctl.h> 36 37 #include <sys/bus.h> 38 #include <machine/bus.h> 39 #include <sys/rman.h> 40 #include <machine/resource.h> 41 42 #include <sys/pciio.h> 43 #include <dev/pci/pcivar.h> 44 #include <dev/pci/pcireg.h> 45 #include <dev/pci/pci_private.h> 46 47 #include <dev/cardbus/cardbusreg.h> 48 #include <dev/cardbus/cardbusvar.h> 49 #include <dev/cardbus/cardbus_cis.h> 50 #include <dev/pccard/pccard_cis.h> 51 #include <dev/pccard/pccardvar.h> 52 53 #include "power_if.h" 54 #include "pcib_if.h" 55 56 /* sysctl vars */ 57 SYSCTL_NODE(_hw, OID_AUTO, cardbus, CTLFLAG_RD, 0, "CardBus parameters"); 58 59 int cardbus_debug = 0; 60 TUNABLE_INT("hw.cardbus.debug", &cardbus_debug); 61 SYSCTL_INT(_hw_cardbus, OID_AUTO, debug, CTLFLAG_RW, 62 &cardbus_debug, 0, 63 "CardBus debug"); 64 65 int cardbus_cis_debug = 0; 66 TUNABLE_INT("hw.cardbus.cis_debug", &cardbus_cis_debug); 67 SYSCTL_INT(_hw_cardbus, OID_AUTO, cis_debug, CTLFLAG_RW, 68 &cardbus_cis_debug, 0, 69 "CardBus CIS debug"); 70 71 #define DPRINTF(a) if (cardbus_debug) printf a 72 #define DEVPRINTF(x) if (cardbus_debug) device_printf x 73 74 75 static void cardbus_add_map(device_t cbdev, device_t child, int reg); 76 static int cardbus_alloc_resources(device_t cbdev, device_t child); 77 static int cardbus_attach(device_t cbdev); 78 static int cardbus_attach_card(device_t cbdev); 79 static int cardbus_barsort(const void *a, const void *b); 80 static int cardbus_detach(device_t cbdev); 81 static int cardbus_detach_card(device_t cbdev); 82 static void cardbus_device_setup_regs(device_t brdev, int b, int s, int f, 83 pcicfgregs *cfg); 84 static void cardbus_driver_added(device_t cbdev, driver_t *driver); 85 static void cardbus_pickup_maps(device_t cbdev, device_t child); 86 static int cardbus_probe(device_t cbdev); 87 static int cardbus_read_ivar(device_t cbdev, device_t child, int which, 88 uintptr_t *result); 89 static void cardbus_release_all_resources(device_t cbdev, 90 struct cardbus_devinfo *dinfo); 91 static int cardbus_write_ivar(device_t cbdev, device_t child, int which, 92 uintptr_t value); 93 94 /* 95 * Resource allocation 96 */ 97 /* 98 * Adding a memory/io resource (sans CIS) 99 */ 100 101 static void 102 cardbus_add_map(device_t cbdev, device_t child, int reg) 103 { 104 struct cardbus_devinfo *dinfo = device_get_ivars(child); 105 struct resource_list_entry *rle; 106 uint32_t size; 107 uint32_t testval; 108 int type; 109 110 STAILQ_FOREACH(rle, &dinfo->pci.resources, link) { 111 if (rle->rid == reg) 112 return; 113 } 114 115 if (reg == CARDBUS_ROM_REG) 116 testval = CARDBUS_ROM_ADDRMASK; 117 else 118 testval = ~0; 119 120 pci_write_config(child, reg, testval, 4); 121 testval = pci_read_config(child, reg, 4); 122 123 if (testval == ~0 || testval == 0) 124 return; 125 126 if ((testval & 1) == 0) 127 type = SYS_RES_MEMORY; 128 else 129 type = SYS_RES_IOPORT; 130 131 size = CARDBUS_MAPREG_MEM_SIZE(testval); 132 device_printf(cbdev, "Resource not specified in CIS: id=%x, size=%x\n", 133 reg, size); 134 resource_list_add(&dinfo->pci.resources, type, reg, 0UL, ~0UL, size); 135 } 136 137 static void 138 cardbus_pickup_maps(device_t cbdev, device_t child) 139 { 140 struct cardbus_devinfo *dinfo = device_get_ivars(child); 141 int reg; 142 143 /* 144 * Try to pick up any resources that was not specified in CIS. 145 * Maybe this isn't any longer necessary now that we have fixed 146 * CIS parsing and we should filter things here? XXX 147 */ 148 for (reg = 0; reg < dinfo->pci.cfg.nummaps; reg++) 149 cardbus_add_map(cbdev, child, PCIR_BAR(reg)); 150 } 151 152 static void 153 cardbus_do_res(struct resource_list_entry *rle, device_t child, uint32_t start) 154 { 155 rle->start = start; 156 rle->end = start + rle->count - 1; 157 pci_write_config(child, rle->rid, rle->start, 4); 158 } 159 160 static int 161 cardbus_barsort(const void *a, const void *b) 162 { 163 return ((*(const struct resource_list_entry * const *)b)->count - 164 (*(const struct resource_list_entry * const *)a)->count); 165 } 166 167 /* XXX this function is too long */ 168 static int 169 cardbus_alloc_resources(device_t cbdev, device_t child) 170 { 171 struct cardbus_devinfo *dinfo = device_get_ivars(child); 172 int count; 173 struct resource_list_entry *rle; 174 struct resource_list_entry **barlist; 175 int tmp; 176 uint32_t mem_psize = 0, mem_nsize = 0, io_size = 0; 177 struct resource *res; 178 uint32_t start,end; 179 int rid, flags; 180 181 count = 0; 182 STAILQ_FOREACH(rle, &dinfo->pci.resources, link) { 183 count++; 184 } 185 if (count == 0) 186 return (0); 187 barlist = malloc(sizeof(struct resource_list_entry*) * count, M_DEVBUF, 188 M_WAITOK); 189 count = 0; 190 STAILQ_FOREACH(rle, &dinfo->pci.resources, link) { 191 barlist[count] = rle; 192 if (rle->type == SYS_RES_IOPORT) { 193 io_size += rle->count; 194 } else if (rle->type == SYS_RES_MEMORY) { 195 if (dinfo->mprefetchable & BARBIT(rle->rid)) 196 mem_psize += rle->count; 197 else 198 mem_nsize += rle->count; 199 } 200 count++; 201 } 202 203 /* 204 * We want to allocate the largest resource first, so that our 205 * allocated memory is packed. 206 */ 207 qsort(barlist, count, sizeof(struct resource_list_entry *), 208 cardbus_barsort); 209 210 /* Allocate prefetchable memory */ 211 flags = 0; 212 for (tmp = 0; tmp < count; tmp++) { 213 rle = barlist[tmp]; 214 if (rle->res == NULL && 215 rle->type == SYS_RES_MEMORY && 216 dinfo->mprefetchable & BARBIT(rle->rid)) { 217 flags = rman_make_alignment_flags(rle->count); 218 break; 219 } 220 } 221 if (flags > 0) { /* If any prefetchable memory is requested... */ 222 /* 223 * First we allocate one big space for all resources of this 224 * type. We do this because our parent, pccbb, needs to open 225 * a window to forward all addresses within the window, and 226 * it would be best if nobody else has resources allocated 227 * within the window. 228 * (XXX: Perhaps there might be a better way to do this?) 229 */ 230 rid = 0; 231 res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, &rid, 0, 232 (dinfo->mprefetchable & dinfo->mbelow1mb)?0xFFFFF:~0UL, 233 mem_psize, flags); 234 if (res == NULL) { 235 device_printf(cbdev, 236 "Can't get memory for prefetch mem\n"); 237 free(barlist, M_DEVBUF); 238 return (EIO); 239 } 240 start = rman_get_start(res); 241 end = rman_get_end(res); 242 DEVPRINTF((cbdev, "Prefetchable memory at %x-%x\n", start, end)); 243 /* 244 * Now that we know the region is free, release it and hand it 245 * out piece by piece. 246 */ 247 bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res); 248 for (tmp = 0; tmp < count; tmp++) { 249 rle = barlist[tmp]; 250 if (rle->type == SYS_RES_MEMORY && 251 dinfo->mprefetchable & BARBIT(rle->rid)) { 252 cardbus_do_res(rle, child, start); 253 start += rle->count; 254 } 255 } 256 } 257 258 /* Allocate non-prefetchable memory */ 259 flags = 0; 260 for (tmp = 0; tmp < count; tmp++) { 261 rle = barlist[tmp]; 262 if (rle->type == SYS_RES_MEMORY && 263 (dinfo->mprefetchable & BARBIT(rle->rid)) == 0) { 264 flags = rman_make_alignment_flags(rle->count); 265 break; 266 } 267 } 268 if (flags > 0) { /* If any non-prefetchable memory is requested... */ 269 /* 270 * First we allocate one big space for all resources of this 271 * type. We do this because our parent, pccbb, needs to open 272 * a window to forward all addresses within the window, and 273 * it would be best if nobody else has resources allocated 274 * within the window. 275 * (XXX: Perhaps there might be a better way to do this?) 276 */ 277 rid = 0; 278 res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, &rid, 0, 279 ((~dinfo->mprefetchable) & dinfo->mbelow1mb)?0xFFFFF:~0UL, 280 mem_nsize, flags); 281 if (res == NULL) { 282 device_printf(cbdev, 283 "Can't get memory for non-prefetch mem\n"); 284 free(barlist, M_DEVBUF); 285 return (EIO); 286 } 287 start = rman_get_start(res); 288 end = rman_get_end(res); 289 DEVPRINTF((cbdev, "Non-prefetchable memory at %x-%x\n", 290 start, end)); 291 /* 292 * Now that we know the region is free, release it and hand it 293 * out piece by piece. 294 */ 295 bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res); 296 for (tmp = 0; tmp < count; tmp++) { 297 rle = barlist[tmp]; 298 if (rle->type == SYS_RES_MEMORY && 299 (dinfo->mprefetchable & BARBIT(rle->rid)) == 0) { 300 cardbus_do_res(rle, child, start); 301 start += rle->count; 302 } 303 } 304 } 305 306 /* Allocate IO ports */ 307 flags = 0; 308 for (tmp = 0; tmp < count; tmp++) { 309 rle = barlist[tmp]; 310 if (rle->type == SYS_RES_IOPORT) { 311 flags = rman_make_alignment_flags(rle->count); 312 break; 313 } 314 } 315 if (flags > 0) { /* If any IO port is requested... */ 316 /* 317 * First we allocate one big space for all resources of this 318 * type. We do this because our parent, pccbb, needs to open 319 * a window to forward all addresses within the window, and 320 * it would be best if nobody else has resources allocated 321 * within the window. 322 * (XXX: Perhaps there might be a better way to do this?) 323 */ 324 rid = 0; 325 res = bus_alloc_resource(cbdev, SYS_RES_IOPORT, &rid, 0, 326 (dinfo->ibelow1mb)?0xFFFFF:~0UL, io_size, flags); 327 if (res == NULL) { 328 device_printf(cbdev, 329 "Can't get memory for IO ports\n"); 330 free(barlist, M_DEVBUF); 331 return (EIO); 332 } 333 start = rman_get_start(res); 334 end = rman_get_end(res); 335 DEVPRINTF((cbdev, "IO port at %x-%x\n", start, end)); 336 /* 337 * Now that we know the region is free, release it and hand it 338 * out piece by piece. 339 */ 340 bus_release_resource(cbdev, SYS_RES_IOPORT, rid, res); 341 for (tmp = 0; tmp < count; tmp++) { 342 rle = barlist[tmp]; 343 if (rle->type == SYS_RES_IOPORT) { 344 cardbus_do_res(rle, child, start); 345 start += rle->count; 346 } 347 } 348 } 349 350 /* Allocate IRQ */ 351 rid = 0; 352 res = bus_alloc_resource_any(cbdev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 353 if (res == NULL) { 354 device_printf(cbdev, "Can't get memory for irq\n"); 355 free(barlist, M_DEVBUF); 356 return (EIO); 357 } 358 start = rman_get_start(res); 359 end = rman_get_end(res); 360 bus_release_resource(cbdev, SYS_RES_IRQ, rid, res); 361 resource_list_add(&dinfo->pci.resources, SYS_RES_IRQ, rid, start, end, 362 1); 363 dinfo->pci.cfg.intline = rman_get_start(res); 364 pci_write_config(child, PCIR_INTLINE, rman_get_start(res), 1); 365 366 free(barlist, M_DEVBUF); 367 return (0); 368 } 369 370 /************************************************************************/ 371 /* Probe/Attach */ 372 /************************************************************************/ 373 374 static int 375 cardbus_probe(device_t cbdev) 376 { 377 device_set_desc(cbdev, "CardBus bus"); 378 return 0; 379 } 380 381 static int 382 cardbus_attach(device_t cbdev) 383 { 384 return 0; 385 } 386 387 static int 388 cardbus_detach(device_t cbdev) 389 { 390 cardbus_detach_card(cbdev); 391 return 0; 392 } 393 394 static int 395 cardbus_suspend(device_t self) 396 { 397 cardbus_detach_card(self); 398 return (0); 399 } 400 401 static int 402 cardbus_resume(device_t self) 403 { 404 return (0); 405 } 406 407 /************************************************************************/ 408 /* Attach/Detach card */ 409 /************************************************************************/ 410 411 static void 412 cardbus_device_setup_regs(device_t brdev, int b, int s, int f, pcicfgregs *cfg) 413 { 414 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_INTLINE, 415 pci_get_irq(device_get_parent(brdev)), 1); 416 cfg->intline = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_INTLINE, 1); 417 418 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_CACHELNSZ, 0x08, 1); 419 cfg->cachelnsz = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_CACHELNSZ, 1); 420 421 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_LATTIMER, 0xa8, 1); 422 cfg->lattimer = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_LATTIMER, 1); 423 424 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_MINGNT, 0x14, 1); 425 cfg->mingnt = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_MINGNT, 1); 426 427 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_MAXLAT, 0x14, 1); 428 cfg->maxlat = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_MAXLAT, 1); 429 } 430 431 static int 432 cardbus_attach_card(device_t cbdev) 433 { 434 device_t brdev = device_get_parent(cbdev); 435 device_t child; 436 int cardattached = 0; 437 int bus, slot, func; 438 439 cardbus_detach_card(cbdev); /* detach existing cards */ 440 POWER_ENABLE_SOCKET(brdev, cbdev); 441 bus = pcib_get_bus(cbdev); 442 /* For each function, set it up and try to attach a driver to it */ 443 for (slot = 0; slot <= CARDBUS_SLOTMAX; slot++) { 444 int cardbusfunchigh = 0; 445 for (func = 0; func <= cardbusfunchigh; func++) { 446 struct cardbus_devinfo *dinfo; 447 448 dinfo = (struct cardbus_devinfo *) 449 pci_read_device(brdev, bus, slot, func, 450 sizeof(struct cardbus_devinfo)); 451 if (dinfo == NULL) 452 continue; 453 if (dinfo->pci.cfg.mfdev) 454 cardbusfunchigh = CARDBUS_FUNCMAX; 455 456 cardbus_device_setup_regs(brdev, bus, slot, func, 457 &dinfo->pci.cfg); 458 child = device_add_child(cbdev, NULL, -1); 459 if (child == NULL) { 460 DEVPRINTF((cbdev, "Cannot add child!\n")); 461 pci_freecfg((struct pci_devinfo *)dinfo); 462 continue; 463 } 464 dinfo->pci.cfg.dev = child; 465 resource_list_init(&dinfo->pci.resources); 466 device_set_ivars(child, dinfo); 467 if (cardbus_do_cis(cbdev, child) != 0) { 468 DEVPRINTF((cbdev, "Can't parse cis\n")); 469 pci_freecfg((struct pci_devinfo *)dinfo); 470 continue; 471 } 472 cardbus_pickup_maps(cbdev, child); 473 cardbus_alloc_resources(cbdev, child); 474 pci_print_verbose(&dinfo->pci); 475 if (device_probe_and_attach(child) != 0) 476 cardbus_release_all_resources(cbdev, dinfo); 477 else 478 cardattached++; 479 } 480 } 481 482 if (cardattached > 0) 483 return (0); 484 POWER_DISABLE_SOCKET(brdev, cbdev); 485 return (ENOENT); 486 } 487 488 static int 489 cardbus_detach_card(device_t cbdev) 490 { 491 int numdevs; 492 device_t *devlist; 493 int tmp; 494 int err = 0; 495 496 device_get_children(cbdev, &devlist, &numdevs); 497 498 if (numdevs == 0) { 499 free(devlist, M_TEMP); 500 return (ENOENT); 501 } 502 503 for (tmp = 0; tmp < numdevs; tmp++) { 504 struct cardbus_devinfo *dinfo = device_get_ivars(devlist[tmp]); 505 int status = device_get_state(devlist[tmp]); 506 507 if (dinfo->pci.cfg.dev != devlist[tmp]) 508 device_printf(cbdev, "devinfo dev mismatch\n"); 509 if (status == DS_ATTACHED || status == DS_BUSY) 510 device_detach(devlist[tmp]); 511 cardbus_release_all_resources(cbdev, dinfo); 512 device_delete_child(cbdev, devlist[tmp]); 513 pci_freecfg((struct pci_devinfo *)dinfo); 514 } 515 POWER_DISABLE_SOCKET(device_get_parent(cbdev), cbdev); 516 free(devlist, M_TEMP); 517 return (err); 518 } 519 520 static void 521 cardbus_driver_added(device_t cbdev, driver_t *driver) 522 { 523 int numdevs; 524 device_t *devlist; 525 device_t dev; 526 int i; 527 struct cardbus_devinfo *dinfo; 528 529 DEVICE_IDENTIFY(driver, cbdev); 530 device_get_children(cbdev, &devlist, &numdevs); 531 /* 532 * If there are no drivers attached, but there are children, 533 * then power the card up. 534 */ 535 for (i = 0; i < numdevs; i++) { 536 dev = devlist[i]; 537 if (device_get_state(dev) != DS_NOTPRESENT) 538 break; 539 } 540 if (i > 0 && i == numdevs) 541 POWER_ENABLE_SOCKET(device_get_parent(cbdev), cbdev); 542 for (i = 0; i < numdevs; i++) { 543 dev = devlist[i]; 544 if (device_get_state(dev) != DS_NOTPRESENT) 545 continue; 546 dinfo = device_get_ivars(dev); 547 pci_print_verbose(&dinfo->pci); 548 resource_list_init(&dinfo->pci.resources); 549 cardbus_do_cis(cbdev, dev); 550 cardbus_pickup_maps(cbdev, dev); 551 cardbus_alloc_resources(cbdev, dev); 552 if (device_probe_and_attach(dev) != 0) 553 cardbus_release_all_resources(cbdev, dinfo); 554 } 555 free(devlist, M_TEMP); 556 } 557 558 static void 559 cardbus_release_all_resources(device_t cbdev, struct cardbus_devinfo *dinfo) 560 { 561 struct resource_list_entry *rle; 562 563 /* Free all allocated resources */ 564 STAILQ_FOREACH(rle, &dinfo->pci.resources, link) { 565 if (rle->res) { 566 if (rman_get_device(rle->res) != cbdev) 567 device_printf(cbdev, "release_all_resource: " 568 "Resource still owned by child, oops. " 569 "(type=%d, rid=%d, addr=%lx)\n", 570 rle->type, rle->rid, 571 rman_get_start(rle->res)); 572 BUS_RELEASE_RESOURCE(device_get_parent(cbdev), 573 cbdev, rle->type, rle->rid, rle->res); 574 rle->res = NULL; 575 /* 576 * zero out config so the card won't acknowledge 577 * access to the space anymore 578 */ 579 pci_write_config(dinfo->pci.cfg.dev, rle->rid, 0, 4); 580 } 581 } 582 resource_list_free(&dinfo->pci.resources); 583 } 584 585 /************************************************************************/ 586 /* Other Bus Methods */ 587 /************************************************************************/ 588 589 static int 590 cardbus_read_ivar(device_t cbdev, device_t child, int which, uintptr_t *result) 591 { 592 struct cardbus_devinfo *dinfo; 593 pcicfgregs *cfg; 594 595 dinfo = device_get_ivars(child); 596 cfg = &dinfo->pci.cfg; 597 598 switch (which) { 599 case PCI_IVAR_ETHADDR: 600 /* 601 * The generic accessor doesn't deal with failure, so 602 * we set the return value, then return an error. 603 */ 604 if (dinfo->fepresent & (1 << PCCARD_TPLFE_TYPE_LAN_NID)) { 605 *((uint8_t **) result) = dinfo->funce.lan.nid; 606 break; 607 } 608 *((uint8_t **) result) = NULL; 609 return (EINVAL); 610 default: 611 return (pci_read_ivar(cbdev, child, which, result)); 612 } 613 return 0; 614 } 615 616 static int 617 cardbus_write_ivar(device_t cbdev, device_t child, int which, uintptr_t value) 618 { 619 return(pci_write_ivar(cbdev, child, which, value)); 620 } 621 622 static device_method_t cardbus_methods[] = { 623 /* Device interface */ 624 DEVMETHOD(device_probe, cardbus_probe), 625 DEVMETHOD(device_attach, cardbus_attach), 626 DEVMETHOD(device_detach, cardbus_detach), 627 DEVMETHOD(device_suspend, cardbus_suspend), 628 DEVMETHOD(device_resume, cardbus_resume), 629 630 /* Bus interface */ 631 DEVMETHOD(bus_read_ivar, cardbus_read_ivar), 632 DEVMETHOD(bus_write_ivar, cardbus_write_ivar), 633 DEVMETHOD(bus_driver_added, cardbus_driver_added), 634 635 /* Card Interface */ 636 DEVMETHOD(card_attach_card, cardbus_attach_card), 637 DEVMETHOD(card_detach_card, cardbus_detach_card), 638 639 {0,0} 640 }; 641 642 DECLARE_CLASS(pci_driver); 643 DEFINE_CLASS_1(cardbus, cardbus_driver, cardbus_methods, 0, pci_driver); 644 645 static devclass_t cardbus_devclass; 646 647 DRIVER_MODULE(cardbus, cbb, cardbus_driver, cardbus_devclass, 0, 0); 648 MODULE_VERSION(cardbus, 1);
Cache object: 187eaa2521f0ebde04245ec2dde032ec
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