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 * $FreeBSD: src/sys/dev/cardbus/cardbus.c,v 1.28 2002/11/27 17:30:41 imp Exp $ 27 * $DragonFly: src/sys/dev/pccard/cardbus/cardbus.c,v 1.13 2008/01/11 10:53:46 sephe Exp $ 28 */ 29 30 /* 31 * Cardbus Bus Driver 32 * 33 * much of the bus code was stolen directly from sys/pci/pci.c 34 * (Copyright (c) 1997, Stefan Esser <se@freebsd.org>) 35 * 36 * Written by Jonathan Chen <jon@freebsd.org> 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/malloc.h> 42 #include <sys/module.h> 43 #include <sys/kernel.h> 44 #include <sys/sysctl.h> 45 46 #include <sys/bus.h> 47 #include <sys/rman.h> 48 49 #include <sys/pciio.h> 50 #include <bus/pci/pcivar.h> 51 #include <bus/pci/pcireg.h> 52 #include <bus/pci/pci_private.h> 53 54 #include <dev/pccard/cardbus/cardbusreg.h> 55 #include <dev/pccard/cardbus/cardbusvar.h> 56 #include <dev/pccard/cardbus/cardbus_cis.h> 57 #include <bus/pccard/pccard_cis.h> 58 #include <bus/pccard/pccardvar.h> 59 60 #include "power_if.h" 61 #include "pcib_if.h" 62 63 /* sysctl vars */ 64 SYSCTL_NODE(_hw, OID_AUTO, cardbus, CTLFLAG_RD, 0, "CardBus parameters"); 65 66 int cardbus_debug = 0; 67 TUNABLE_INT("hw.cardbus.debug", &cardbus_debug); 68 SYSCTL_INT(_hw_cardbus, OID_AUTO, debug, CTLFLAG_RW, 69 &cardbus_debug, 0, 70 "CardBus debug"); 71 72 int cardbus_cis_debug = 0; 73 TUNABLE_INT("hw.cardbus.cis_debug", &cardbus_cis_debug); 74 SYSCTL_INT(_hw_cardbus, OID_AUTO, cis_debug, CTLFLAG_RW, 75 &cardbus_cis_debug, 0, 76 "CardBus CIS debug"); 77 78 #define DPRINTF(a) if (cardbus_debug) kprintf a 79 #define DEVPRINTF(x) if (cardbus_debug) device_printf x 80 81 82 static void cardbus_add_map(device_t cbdev, device_t child, int reg); 83 static int cardbus_alloc_resources(device_t cbdev, device_t child); 84 static int cardbus_attach(device_t cbdev); 85 static int cardbus_attach_card(device_t cbdev); 86 static int cardbus_barsort(const void *a, const void *b); 87 static int cardbus_detach(device_t cbdev); 88 static int cardbus_detach_card(device_t cbdev); 89 static void cardbus_device_setup_regs(device_t brdev, int b, int s, int f, 90 pcicfgregs *cfg); 91 static void cardbus_driver_added(device_t cbdev, driver_t *driver); 92 static void cardbus_pickup_maps(device_t cbdev, device_t child); 93 static int cardbus_probe(device_t cbdev); 94 static int cardbus_read_ivar(device_t cbdev, device_t child, int which, 95 uintptr_t *result); 96 static void cardbus_release_all_resources(device_t cbdev, 97 struct cardbus_devinfo *dinfo); 98 static int cardbus_write_ivar(device_t cbdev, device_t child, int which, 99 uintptr_t value); 100 101 /* 102 * Resource allocation 103 */ 104 /* 105 * Adding a memory/io resource (sans CIS) 106 */ 107 108 static void 109 cardbus_add_map(device_t cbdev, device_t child, int reg) 110 { 111 struct cardbus_devinfo *dinfo = device_get_ivars(child); 112 struct resource_list_entry *rle; 113 uint32_t size; 114 uint32_t testval; 115 int type; 116 117 SLIST_FOREACH(rle, &dinfo->pci.resources, link) { 118 if (rle->rid == reg) 119 return; 120 } 121 122 if (reg == CARDBUS_ROM_REG) 123 testval = CARDBUS_ROM_ADDRMASK; 124 else 125 testval = ~0; 126 127 pci_write_config(child, reg, testval, 4); 128 testval = pci_read_config(child, reg, 4); 129 130 if (testval == ~0 || testval == 0) 131 return; 132 133 if ((testval & 1) == 0) 134 type = SYS_RES_MEMORY; 135 else 136 type = SYS_RES_IOPORT; 137 138 size = CARDBUS_MAPREG_MEM_SIZE(testval); 139 if (bootverbose) { 140 device_printf(cbdev, "Resource not specified in CIS: " 141 "id=%x, size=%x\n", reg, size); 142 } 143 resource_list_add(&dinfo->pci.resources, type, reg, 0UL, ~0UL, size); 144 } 145 146 static void 147 cardbus_pickup_maps(device_t cbdev, device_t child) 148 { 149 struct cardbus_devinfo *dinfo = device_get_ivars(child); 150 int reg; 151 152 /* 153 * Try to pick up any resources that was not specified in CIS. 154 * Maybe this isn't any longer necessary now that we have fixed 155 * CIS parsing and we should filter things here? XXX 156 */ 157 for (reg = 0; reg < dinfo->pci.cfg.nummaps; reg++) 158 cardbus_add_map(cbdev, child, PCIR_BAR(reg)); 159 } 160 161 static void 162 cardbus_do_res(struct resource_list_entry *rle, device_t child, uint32_t start) 163 { 164 rle->start = start; 165 rle->end = start + rle->count - 1; 166 pci_write_config(child, rle->rid, rle->start, 4); 167 } 168 169 static int 170 cardbus_barsort(const void *a, const void *b) 171 { 172 return ((*(const struct resource_list_entry * const *)b)->count - 173 (*(const struct resource_list_entry * const *)a)->count); 174 } 175 176 /* XXX this function is too long */ 177 static int 178 cardbus_alloc_resources(device_t cbdev, device_t child) 179 { 180 struct cardbus_devinfo *dinfo = device_get_ivars(child); 181 int count; 182 struct resource_list_entry *rle; 183 struct resource_list_entry **barlist; 184 int tmp; 185 uint32_t mem_psize = 0, mem_nsize = 0, io_size = 0; 186 struct resource *res; 187 uint32_t start,end; 188 int rid, flags; 189 190 count = 0; 191 SLIST_FOREACH(rle, &dinfo->pci.resources, link) { 192 count++; 193 } 194 if (count == 0) 195 return (0); 196 barlist = kmalloc(sizeof(struct resource_list_entry*) * count, M_DEVBUF, 197 M_WAITOK); 198 count = 0; 199 SLIST_FOREACH(rle, &dinfo->pci.resources, link) { 200 barlist[count] = rle; 201 if (rle->type == SYS_RES_IOPORT) { 202 io_size += rle->count; 203 } else if (rle->type == SYS_RES_MEMORY) { 204 if (dinfo->mprefetchable & BARBIT(rle->rid)) 205 mem_psize += rle->count; 206 else 207 mem_nsize += rle->count; 208 } 209 count++; 210 } 211 212 /* 213 * We want to allocate the largest resource first, so that our 214 * allocated memory is packed. 215 */ 216 kqsort(barlist, count, sizeof(struct resource_list_entry *), 217 cardbus_barsort); 218 219 /* Allocate prefetchable memory */ 220 flags = 0; 221 for (tmp = 0; tmp < count; tmp++) { 222 rle = barlist[tmp]; 223 if (rle->res == NULL && 224 rle->type == SYS_RES_MEMORY && 225 dinfo->mprefetchable & BARBIT(rle->rid)) { 226 flags = rman_make_alignment_flags(rle->count); 227 break; 228 } 229 } 230 if (flags > 0) { /* If any prefetchable memory is requested... */ 231 /* 232 * First we allocate one big space for all resources of this 233 * type. We do this because our parent, pccbb, needs to open 234 * a window to forward all addresses within the window, and 235 * it would be best if nobody else has resources allocated 236 * within the window. 237 * (XXX: Perhaps there might be a better way to do this?) 238 */ 239 rid = 0; 240 res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, &rid, 0, 241 (dinfo->mprefetchable & dinfo->mbelow1mb)?0xFFFFF:~0UL, 242 mem_psize, flags); 243 if (res == NULL) { 244 device_printf(cbdev, 245 "Can't get memory for prefetch mem\n"); 246 kfree(barlist, M_DEVBUF); 247 return (EIO); 248 } 249 start = rman_get_start(res); 250 end = rman_get_end(res); 251 DEVPRINTF((cbdev, "Prefetchable memory at %x-%x\n", start, end)); 252 /* 253 * Now that we know the region is free, release it and hand it 254 * out piece by piece. 255 */ 256 bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res); 257 for (tmp = 0; tmp < count; tmp++) { 258 rle = barlist[tmp]; 259 if (rle->type == SYS_RES_MEMORY && 260 dinfo->mprefetchable & BARBIT(rle->rid)) { 261 cardbus_do_res(rle, child, start); 262 start += rle->count; 263 } 264 } 265 } 266 267 /* Allocate non-prefetchable memory */ 268 flags = 0; 269 for (tmp = 0; tmp < count; tmp++) { 270 rle = barlist[tmp]; 271 if (rle->type == SYS_RES_MEMORY && 272 (dinfo->mprefetchable & BARBIT(rle->rid)) == 0) { 273 flags = rman_make_alignment_flags(rle->count); 274 break; 275 } 276 } 277 if (flags > 0) { /* If any non-prefetchable memory is requested... */ 278 /* 279 * First we allocate one big space for all resources of this 280 * type. We do this because our parent, pccbb, needs to open 281 * a window to forward all addresses within the window, and 282 * it would be best if nobody else has resources allocated 283 * within the window. 284 * (XXX: Perhaps there might be a better way to do this?) 285 */ 286 rid = 0; 287 res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, &rid, 0, 288 ((~dinfo->mprefetchable) & dinfo->mbelow1mb)?0xFFFFF:~0UL, 289 mem_nsize, flags); 290 if (res == NULL) { 291 device_printf(cbdev, 292 "Can't get memory for non-prefetch mem\n"); 293 kfree(barlist, M_DEVBUF); 294 return (EIO); 295 } 296 start = rman_get_start(res); 297 end = rman_get_end(res); 298 DEVPRINTF((cbdev, "Non-prefetchable memory at %x-%x\n", 299 start, end)); 300 /* 301 * Now that we know the region is free, release it and hand it 302 * out piece by piece. 303 */ 304 bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res); 305 for (tmp = 0; tmp < count; tmp++) { 306 rle = barlist[tmp]; 307 if (rle->type == SYS_RES_MEMORY && 308 (dinfo->mprefetchable & BARBIT(rle->rid)) == 0) { 309 cardbus_do_res(rle, child, start); 310 start += rle->count; 311 } 312 } 313 } 314 315 /* Allocate IO ports */ 316 flags = 0; 317 for (tmp = 0; tmp < count; tmp++) { 318 rle = barlist[tmp]; 319 if (rle->type == SYS_RES_IOPORT) { 320 flags = rman_make_alignment_flags(rle->count); 321 break; 322 } 323 } 324 if (flags > 0) { /* If any IO port is requested... */ 325 /* 326 * First we allocate one big space for all resources of this 327 * type. We do this because our parent, pccbb, needs to open 328 * a window to forward all addresses within the window, and 329 * it would be best if nobody else has resources allocated 330 * within the window. 331 * (XXX: Perhaps there might be a better way to do this?) 332 */ 333 rid = 0; 334 res = bus_alloc_resource(cbdev, SYS_RES_IOPORT, &rid, 0, 335 (dinfo->ibelow1mb)?0xFFFFF:~0UL, io_size, flags); 336 if (res == NULL) { 337 device_printf(cbdev, 338 "Can't get memory for IO ports\n"); 339 kfree(barlist, M_DEVBUF); 340 return (EIO); 341 } 342 start = rman_get_start(res); 343 end = rman_get_end(res); 344 DEVPRINTF((cbdev, "IO port at %x-%x\n", start, end)); 345 /* 346 * Now that we know the region is free, release it and hand it 347 * out piece by piece. 348 */ 349 bus_release_resource(cbdev, SYS_RES_IOPORT, rid, res); 350 for (tmp = 0; tmp < count; tmp++) { 351 rle = barlist[tmp]; 352 if (rle->type == SYS_RES_IOPORT) { 353 cardbus_do_res(rle, child, start); 354 start += rle->count; 355 } 356 } 357 } 358 359 /* Allocate IRQ */ 360 rid = 0; 361 res = bus_alloc_resource_any(cbdev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 362 if (res == NULL) { 363 device_printf(cbdev, "Can't get memory for irq\n"); 364 kfree(barlist, M_DEVBUF); 365 return (EIO); 366 } 367 start = rman_get_start(res); 368 end = rman_get_end(res); 369 bus_release_resource(cbdev, SYS_RES_IRQ, rid, res); 370 resource_list_add(&dinfo->pci.resources, SYS_RES_IRQ, rid, start, end, 371 1); 372 dinfo->pci.cfg.intline = start; 373 pci_write_config(child, PCIR_INTLINE, start, 1); 374 375 kfree(barlist, M_DEVBUF); 376 return (0); 377 } 378 379 /************************************************************************/ 380 /* Probe/Attach */ 381 /************************************************************************/ 382 383 static int 384 cardbus_probe(device_t cbdev) 385 { 386 device_set_desc(cbdev, "CardBus bus"); 387 return 0; 388 } 389 390 static int 391 cardbus_attach(device_t cbdev) 392 { 393 return 0; 394 } 395 396 static int 397 cardbus_detach(device_t cbdev) 398 { 399 cardbus_detach_card(cbdev); 400 return 0; 401 } 402 403 static int 404 cardbus_suspend(device_t self) 405 { 406 cardbus_detach_card(self); 407 return (0); 408 } 409 410 static int 411 cardbus_resume(device_t self) 412 { 413 return (0); 414 } 415 416 /************************************************************************/ 417 /* Attach/Detach card */ 418 /************************************************************************/ 419 420 static void 421 cardbus_device_setup_regs(device_t brdev, int b, int s, int f, pcicfgregs *cfg) 422 { 423 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_INTLINE, 424 pci_get_irq(device_get_parent(brdev)), 1); 425 cfg->intline = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_INTLINE, 1); 426 427 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_CACHELNSZ, 0x08, 1); 428 cfg->cachelnsz = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_CACHELNSZ, 1); 429 430 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_LATTIMER, 0xa8, 1); 431 cfg->lattimer = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_LATTIMER, 1); 432 433 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_MINGNT, 0x14, 1); 434 cfg->mingnt = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_MINGNT, 1); 435 436 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_MAXLAT, 0x14, 1); 437 cfg->maxlat = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_MAXLAT, 1); 438 } 439 440 static int 441 cardbus_attach_card(device_t cbdev) 442 { 443 device_t brdev = device_get_parent(cbdev); 444 device_t child; 445 int cardattached = 0; 446 int bus, slot, func; 447 448 cardbus_detach_card(cbdev); /* detach existing cards */ 449 POWER_ENABLE_SOCKET(brdev, cbdev); 450 bus = pcib_get_bus(brdev); 451 /* For each function, set it up and try to attach a driver to it */ 452 for (slot = 0; slot <= CARDBUS_SLOTMAX; slot++) { 453 int cardbusfunchigh = 0; 454 for (func = 0; func <= cardbusfunchigh; func++) { 455 struct cardbus_devinfo *dinfo; 456 457 dinfo = (struct cardbus_devinfo *) 458 pci_read_device(brdev, bus, slot, func, 459 sizeof(struct cardbus_devinfo)); 460 if (dinfo == NULL) 461 continue; 462 if (dinfo->pci.cfg.mfdev) 463 cardbusfunchigh = CARDBUS_FUNCMAX; 464 465 cardbus_device_setup_regs(brdev, bus, slot, func, 466 &dinfo->pci.cfg); 467 child = device_add_child(cbdev, NULL, -1); 468 if (child == NULL) { 469 DEVPRINTF((cbdev, "Cannot add child!\n")); 470 pci_freecfg((struct pci_devinfo *)dinfo); 471 continue; 472 } 473 dinfo->pci.cfg.dev = child; 474 resource_list_init(&dinfo->pci.resources); 475 device_set_ivars(child, dinfo); 476 if (cardbus_do_cis(cbdev, child) != 0) { 477 DEVPRINTF((cbdev, "Can't parse cis\n")); 478 pci_freecfg((struct pci_devinfo *)dinfo); 479 continue; 480 } 481 cardbus_pickup_maps(cbdev, child); 482 cardbus_alloc_resources(cbdev, child); 483 pci_print_verbose(&dinfo->pci); 484 if (device_probe_and_attach(child) != 0) 485 cardbus_release_all_resources(cbdev, dinfo); 486 else 487 cardattached++; 488 } 489 } 490 491 if (cardattached > 0) 492 return (0); 493 POWER_DISABLE_SOCKET(brdev, cbdev); 494 return (ENOENT); 495 } 496 497 static int 498 cardbus_detach_card(device_t cbdev) 499 { 500 int numdevs; 501 device_t *devlist; 502 int tmp; 503 int err = 0; 504 505 device_get_children(cbdev, &devlist, &numdevs); 506 507 if (numdevs == 0) { 508 kfree(devlist, M_TEMP); 509 return (ENOENT); 510 } 511 512 for (tmp = 0; tmp < numdevs; tmp++) { 513 struct cardbus_devinfo *dinfo = device_get_ivars(devlist[tmp]); 514 int status = device_get_state(devlist[tmp]); 515 516 if (dinfo->pci.cfg.dev != devlist[tmp]) 517 device_printf(cbdev, "devinfo dev mismatch\n"); 518 if (status == DS_ATTACHED || status == DS_BUSY) 519 device_detach(devlist[tmp]); 520 cardbus_release_all_resources(cbdev, dinfo); 521 device_delete_child(cbdev, devlist[tmp]); 522 pci_freecfg((struct pci_devinfo *)dinfo); 523 } 524 POWER_DISABLE_SOCKET(device_get_parent(cbdev), cbdev); 525 kfree(devlist, M_TEMP); 526 return (err); 527 } 528 529 static void 530 cardbus_driver_added(device_t cbdev, driver_t *driver) 531 { 532 int numdevs; 533 device_t *devlist; 534 device_t dev; 535 int i; 536 struct cardbus_devinfo *dinfo; 537 538 DEVICE_IDENTIFY(driver, cbdev); 539 device_get_children(cbdev, &devlist, &numdevs); 540 /* 541 * If there are no drivers attached, but there are children, 542 * then power the card up. 543 */ 544 for (i = 0; i < numdevs; i++) { 545 dev = devlist[i]; 546 if (device_get_state(dev) != DS_NOTPRESENT) 547 break; 548 } 549 if (i > 0 && i == numdevs) 550 POWER_ENABLE_SOCKET(device_get_parent(cbdev), cbdev); 551 for (i = 0; i < numdevs; i++) { 552 dev = devlist[i]; 553 if (device_get_state(dev) != DS_NOTPRESENT) 554 continue; 555 dinfo = device_get_ivars(dev); 556 pci_print_verbose(&dinfo->pci); 557 resource_list_init(&dinfo->pci.resources); 558 cardbus_do_cis(cbdev, dev); 559 cardbus_pickup_maps(cbdev, dev); 560 cardbus_alloc_resources(cbdev, dev); 561 if (device_probe_and_attach(dev) != 0) 562 cardbus_release_all_resources(cbdev, dinfo); 563 } 564 kfree(devlist, M_TEMP); 565 } 566 567 static void 568 cardbus_release_all_resources(device_t cbdev, struct cardbus_devinfo *dinfo) 569 { 570 struct resource_list_entry *rle; 571 572 /* Free all allocated resources */ 573 SLIST_FOREACH(rle, &dinfo->pci.resources, link) { 574 if (rle->res) { 575 if (rman_get_device(rle->res) != cbdev) 576 device_printf(cbdev, "release_all_resource: " 577 "Resource still owned by child, oops. " 578 "(type=%d, rid=%d, addr=%lx)\n", 579 rle->type, rle->rid, 580 rman_get_start(rle->res)); 581 BUS_RELEASE_RESOURCE(device_get_parent(cbdev), 582 cbdev, rle->type, rle->rid, rle->res); 583 rle->res = NULL; 584 /* 585 * zero out config so the card won't acknowledge 586 * access to the space anymore 587 */ 588 pci_write_config(dinfo->pci.cfg.dev, rle->rid, 0, 4); 589 } 590 } 591 resource_list_free(&dinfo->pci.resources); 592 } 593 594 /************************************************************************/ 595 /* Other Bus Methods */ 596 /************************************************************************/ 597 598 static int 599 cardbus_read_ivar(device_t cbdev, device_t child, int which, uintptr_t *result) 600 { 601 struct cardbus_devinfo *dinfo; 602 pcicfgregs *cfg; 603 604 dinfo = device_get_ivars(child); 605 cfg = &dinfo->pci.cfg; 606 607 switch (which) { 608 case PCI_IVAR_ETHADDR: 609 /* 610 * The generic accessor doesn't deal with failure, so 611 * we set the return value, then return an error. 612 */ 613 if (dinfo->fepresent & (1 << PCCARD_TPLFE_TYPE_LAN_NID)) { 614 *((uint8_t **) result) = dinfo->funce.lan.nid; 615 break; 616 } 617 *((uint8_t **) result) = NULL; 618 return (EINVAL); 619 default: 620 return (pci_read_ivar(cbdev, child, which, result)); 621 } 622 return 0; 623 } 624 625 static int 626 cardbus_write_ivar(device_t cbdev, device_t child, int which, uintptr_t value) 627 { 628 return(pci_write_ivar(cbdev, child, which, value)); 629 } 630 631 static device_method_t cardbus_methods[] = { 632 /* Device interface */ 633 DEVMETHOD(device_probe, cardbus_probe), 634 DEVMETHOD(device_attach, cardbus_attach), 635 DEVMETHOD(device_detach, cardbus_detach), 636 DEVMETHOD(device_suspend, cardbus_suspend), 637 DEVMETHOD(device_resume, cardbus_resume), 638 639 /* Bus interface */ 640 DEVMETHOD(bus_read_ivar, cardbus_read_ivar), 641 DEVMETHOD(bus_write_ivar, cardbus_write_ivar), 642 DEVMETHOD(bus_driver_added, cardbus_driver_added), 643 644 /* Card Interface */ 645 DEVMETHOD(card_attach_card, cardbus_attach_card), 646 DEVMETHOD(card_detach_card, cardbus_detach_card), 647 648 {0,0} 649 }; 650 651 DECLARE_CLASS(pci_driver); 652 DEFINE_CLASS_1(cardbus, cardbus_driver, cardbus_methods, 0, pci_driver); 653 654 static devclass_t cardbus_devclass; 655 656 DRIVER_MODULE(cardbus, cbb, cardbus_driver, cardbus_devclass, 0, 0); 657 MODULE_VERSION(cardbus, 1); 658