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("$FreeBSD$");
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 int
153 cardbus_barsort(const void *a, const void *b)
154 {
155 return ((*(const struct resource_list_entry * const *)b)->count -
156 (*(const struct resource_list_entry * const *)a)->count);
157 }
158
159 /* XXX this function is too long */
160 static int
161 cardbus_alloc_resources(device_t cbdev, device_t child)
162 {
163 struct cardbus_devinfo *dinfo = device_get_ivars(child);
164 int count;
165 struct resource_list_entry *rle;
166 struct resource_list_entry **barlist;
167 int tmp;
168 uint32_t mem_psize = 0, mem_nsize = 0, io_size = 0;
169 struct resource *res;
170 uint32_t start,end;
171 int rid, flags;
172
173 count = 0;
174 STAILQ_FOREACH(rle, &dinfo->pci.resources, link) {
175 count++;
176 }
177 if (count == 0)
178 return (0);
179 barlist = malloc(sizeof(struct resource_list_entry*) * count, M_DEVBUF,
180 M_WAITOK);
181 count = 0;
182 STAILQ_FOREACH(rle, &dinfo->pci.resources, link) {
183 barlist[count] = rle;
184 if (rle->type == SYS_RES_IOPORT) {
185 io_size += rle->count;
186 } else if (rle->type == SYS_RES_MEMORY) {
187 if (dinfo->mprefetchable & BARBIT(rle->rid))
188 mem_psize += rle->count;
189 else
190 mem_nsize += rle->count;
191 }
192 count++;
193 }
194
195 /*
196 * We want to allocate the largest resource first, so that our
197 * allocated memory is packed.
198 */
199 qsort(barlist, count, sizeof(struct resource_list_entry *),
200 cardbus_barsort);
201
202 /* Allocate prefetchable memory */
203 flags = 0;
204 for (tmp = 0; tmp < count; tmp++) {
205 rle = barlist[tmp];
206 if (rle->res == NULL &&
207 rle->type == SYS_RES_MEMORY &&
208 dinfo->mprefetchable & BARBIT(rle->rid)) {
209 flags = rman_make_alignment_flags(rle->count);
210 break;
211 }
212 }
213 if (flags > 0) { /* If any prefetchable memory is requested... */
214 /*
215 * First we allocate one big space for all resources of this
216 * type. We do this because our parent, pccbb, needs to open
217 * a window to forward all addresses within the window, and
218 * it would be best if nobody else has resources allocated
219 * within the window.
220 * (XXX: Perhaps there might be a better way to do this?)
221 */
222 rid = 0;
223 res = bus_alloc_resource(cbdev, SYS_RES_MEMORY, &rid, 0,
224 (dinfo->mprefetchable & dinfo->mbelow1mb)?0xFFFFF:~0UL,
225 mem_psize, flags);
226 if (res == NULL) {
227 device_printf(cbdev,
228 "Can't get memory for prefetch mem\n");
229 free(barlist, M_DEVBUF);
230 return (EIO);
231 }
232 start = rman_get_start(res);
233 end = rman_get_end(res);
234 DEVPRINTF((cbdev, "Prefetchable memory at %x-%x\n", start, end));
235 /*
236 * Now that we know the region is free, release it and hand it
237 * out piece by piece.
238 */
239 bus_release_resource(cbdev, SYS_RES_MEMORY, rid, res);
240 for (tmp = 0; tmp < count; tmp++) {
241 rle = barlist[tmp];
242 if (rle->type == SYS_RES_MEMORY &&
243 dinfo->mprefetchable & BARBIT(rle->rid)) {
244 rle->res = bus_alloc_resource(cbdev,
245 rle->type, &rle->rid, start, end,
246 rle->count,
247 rman_make_alignment_flags(rle->count));
248 if (rle->res != NULL) {
249 rle->start = rman_get_start(rle->res);
250 rle->end = rman_get_end(rle->res);
251 pci_write_config(child,
252 rle->rid, rle->start, 4);
253 }
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 rle->res = bus_alloc_resource(cbdev,
301 rle->type, &rle->rid, start, end,
302 rle->count,
303 rman_make_alignment_flags(rle->count));
304 if (rle->res == NULL) {
305 DEVPRINTF((cbdev, "Cannot pre-allocate "
306 "memory for cardbus device\n"));
307 free(barlist, M_DEVBUF);
308 return (ENOMEM);
309 }
310 rle->start = rman_get_start(rle->res);
311 rle->end = rman_get_end(rle->res);
312 pci_write_config(child,
313 rle->rid, rle->start, 4);
314 }
315 }
316 }
317
318 /* Allocate IO ports */
319 flags = 0;
320 for (tmp = 0; tmp < count; tmp++) {
321 rle = barlist[tmp];
322 if (rle->type == SYS_RES_IOPORT) {
323 flags = rman_make_alignment_flags(rle->count);
324 break;
325 }
326 }
327 if (flags > 0) { /* If any IO port is requested... */
328 /*
329 * First we allocate one big space for all resources of this
330 * type. We do this because our parent, pccbb, needs to open
331 * a window to forward all addresses within the window, and
332 * it would be best if nobody else has resources allocated
333 * within the window.
334 * (XXX: Perhaps there might be a better way to do this?)
335 */
336 rid = 0;
337 res = bus_alloc_resource(cbdev, SYS_RES_IOPORT, &rid, 0,
338 (dinfo->ibelow1mb)?0xFFFFF:~0UL, io_size, flags);
339 if (res == NULL) {
340 device_printf(cbdev,
341 "Can't get memory for IO ports\n");
342 free(barlist, M_DEVBUF);
343 return (EIO);
344 }
345 start = rman_get_start(res);
346 end = rman_get_end(res);
347 DEVPRINTF((cbdev, "IO port at %x-%x\n", start, end));
348 /*
349 * Now that we know the region is free, release it and hand it
350 * out piece by piece.
351 */
352 bus_release_resource(cbdev, SYS_RES_IOPORT, rid, res);
353 for (tmp = 0; tmp < count; tmp++) {
354 rle = barlist[tmp];
355 if (rle->type == SYS_RES_IOPORT) {
356 rle->res = bus_alloc_resource(cbdev,
357 rle->type, &rle->rid, start, end,
358 rle->count,
359 rman_make_alignment_flags(rle->count));
360 if (rle->res == NULL) {
361 DEVPRINTF((cbdev, "Cannot pre-allocate "
362 "IO port for cardbus device\n"));
363 free(barlist, M_DEVBUF);
364 return (ENOMEM);
365 }
366 rle->start = rman_get_start(rle->res);
367 rle->end = rman_get_end(rle->res);
368 pci_write_config(child,
369 rle->rid, rle->start, 4);
370 }
371 }
372 }
373
374 /* Allocate IRQ */
375 rid = 0;
376 res = bus_alloc_resource_any(cbdev, SYS_RES_IRQ, &rid, RF_SHAREABLE);
377 if (res == NULL) {
378 device_printf(cbdev, "Can't get memory for irq\n");
379 free(barlist, M_DEVBUF);
380 return (EIO);
381 }
382 start = rman_get_start(res);
383 end = rman_get_end(res);
384 resource_list_add(&dinfo->pci.resources, SYS_RES_IRQ, rid, start, end,
385 1);
386 rle = resource_list_find(&dinfo->pci.resources, SYS_RES_IRQ, rid);
387 rle->res = res;
388 dinfo->pci.cfg.intline = start;
389 pci_write_config(child, PCIR_INTLINE, start, 1);
390
391 free(barlist, M_DEVBUF);
392 return (0);
393 }
394
395 /************************************************************************/
396 /* Probe/Attach */
397 /************************************************************************/
398
399 static int
400 cardbus_probe(device_t cbdev)
401 {
402 device_set_desc(cbdev, "CardBus bus");
403 return 0;
404 }
405
406 static int
407 cardbus_attach(device_t cbdev)
408 {
409 return 0;
410 }
411
412 static int
413 cardbus_detach(device_t cbdev)
414 {
415 cardbus_detach_card(cbdev);
416 return 0;
417 }
418
419 static int
420 cardbus_suspend(device_t self)
421 {
422 cardbus_detach_card(self);
423 return (0);
424 }
425
426 static int
427 cardbus_resume(device_t self)
428 {
429 return (0);
430 }
431
432 /************************************************************************/
433 /* Attach/Detach card */
434 /************************************************************************/
435
436 static void
437 cardbus_device_setup_regs(device_t brdev, int b, int s, int f, pcicfgregs *cfg)
438 {
439 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_INTLINE,
440 pci_get_irq(device_get_parent(brdev)), 1);
441 cfg->intline = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_INTLINE, 1);
442
443 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_CACHELNSZ, 0x08, 1);
444 cfg->cachelnsz = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_CACHELNSZ, 1);
445
446 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_LATTIMER, 0xa8, 1);
447 cfg->lattimer = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_LATTIMER, 1);
448
449 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_MINGNT, 0x14, 1);
450 cfg->mingnt = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_MINGNT, 1);
451
452 PCIB_WRITE_CONFIG(brdev, b, s, f, PCIR_MAXLAT, 0x14, 1);
453 cfg->maxlat = PCIB_READ_CONFIG(brdev, b, s, f, PCIR_MAXLAT, 1);
454 }
455
456 static int
457 cardbus_attach_card(device_t cbdev)
458 {
459 device_t brdev = device_get_parent(cbdev);
460 device_t child;
461 int cardattached = 0;
462 int bus, slot, func;
463
464 cardbus_detach_card(cbdev); /* detach existing cards */
465 POWER_ENABLE_SOCKET(brdev, cbdev);
466 bus = pcib_get_bus(cbdev);
467 /* For each function, set it up and try to attach a driver to it */
468 for (slot = 0; slot <= CARDBUS_SLOTMAX; slot++) {
469 int cardbusfunchigh = 0;
470 for (func = 0; func <= cardbusfunchigh; func++) {
471 struct cardbus_devinfo *dinfo;
472
473 dinfo = (struct cardbus_devinfo *)
474 pci_read_device(brdev, bus, slot, func,
475 sizeof(struct cardbus_devinfo));
476 if (dinfo == NULL)
477 continue;
478 if (dinfo->pci.cfg.mfdev)
479 cardbusfunchigh = CARDBUS_FUNCMAX;
480
481 cardbus_device_setup_regs(brdev, bus, slot, func,
482 &dinfo->pci.cfg);
483 child = device_add_child(cbdev, NULL, -1);
484 if (child == NULL) {
485 DEVPRINTF((cbdev, "Cannot add child!\n"));
486 pci_freecfg((struct pci_devinfo *)dinfo);
487 continue;
488 }
489 dinfo->pci.cfg.dev = child;
490 resource_list_init(&dinfo->pci.resources);
491 device_set_ivars(child, dinfo);
492 if (cardbus_do_cis(cbdev, child) != 0) {
493 DEVPRINTF((cbdev, "Can't parse cis\n"));
494 pci_freecfg((struct pci_devinfo *)dinfo);
495 continue;
496 }
497 cardbus_pickup_maps(cbdev, child);
498 cardbus_alloc_resources(cbdev, child);
499 pci_print_verbose(&dinfo->pci);
500 if (device_probe_and_attach(child) != 0)
501 cardbus_release_all_resources(cbdev, dinfo);
502 else
503 cardattached++;
504 }
505 }
506
507 if (cardattached > 0)
508 return (0);
509 POWER_DISABLE_SOCKET(brdev, cbdev);
510 return (ENOENT);
511 }
512
513 static int
514 cardbus_detach_card(device_t cbdev)
515 {
516 int numdevs;
517 device_t *devlist;
518 int tmp;
519 int err = 0;
520
521 device_get_children(cbdev, &devlist, &numdevs);
522
523 if (numdevs == 0) {
524 free(devlist, M_TEMP);
525 return (ENOENT);
526 }
527
528 for (tmp = 0; tmp < numdevs; tmp++) {
529 struct cardbus_devinfo *dinfo = device_get_ivars(devlist[tmp]);
530 int status = device_get_state(devlist[tmp]);
531
532 if (dinfo->pci.cfg.dev != devlist[tmp])
533 device_printf(cbdev, "devinfo dev mismatch\n");
534 if (status == DS_ATTACHED || status == DS_BUSY)
535 device_detach(devlist[tmp]);
536 cardbus_release_all_resources(cbdev, dinfo);
537 device_delete_child(cbdev, devlist[tmp]);
538 pci_freecfg((struct pci_devinfo *)dinfo);
539 }
540 POWER_DISABLE_SOCKET(device_get_parent(cbdev), cbdev);
541 free(devlist, M_TEMP);
542 return (err);
543 }
544
545 static void
546 cardbus_driver_added(device_t cbdev, driver_t *driver)
547 {
548 int numdevs;
549 device_t *devlist;
550 device_t dev;
551 int i;
552 struct cardbus_devinfo *dinfo;
553
554 DEVICE_IDENTIFY(driver, cbdev);
555 device_get_children(cbdev, &devlist, &numdevs);
556 /*
557 * If there are no drivers attached, but there are children,
558 * then power the card up.
559 */
560 for (i = 0; i < numdevs; i++) {
561 dev = devlist[i];
562 if (device_get_state(dev) != DS_NOTPRESENT)
563 break;
564 }
565 if (i > 0 && i == numdevs)
566 POWER_ENABLE_SOCKET(device_get_parent(cbdev), cbdev);
567 for (i = 0; i < numdevs; i++) {
568 dev = devlist[i];
569 if (device_get_state(dev) != DS_NOTPRESENT)
570 continue;
571 dinfo = device_get_ivars(dev);
572 pci_print_verbose(&dinfo->pci);
573 resource_list_init(&dinfo->pci.resources);
574 cardbus_do_cis(cbdev, dev);
575 cardbus_pickup_maps(cbdev, dev);
576 cardbus_alloc_resources(cbdev, dev);
577 if (device_probe_and_attach(dev) != 0)
578 cardbus_release_all_resources(cbdev, dinfo);
579 }
580 free(devlist, M_TEMP);
581 }
582
583 static void
584 cardbus_release_all_resources(device_t cbdev, struct cardbus_devinfo *dinfo)
585 {
586 struct resource_list_entry *rle;
587
588 /* Free all allocated resources */
589 STAILQ_FOREACH(rle, &dinfo->pci.resources, link) {
590 if (rle->res) {
591 if (rman_get_device(rle->res) != cbdev)
592 device_printf(cbdev, "release_all_resource: "
593 "Resource still owned by child, oops. "
594 "(type=%d, rid=%d, addr=%lx)\n",
595 rle->type, rle->rid,
596 rman_get_start(rle->res));
597 BUS_RELEASE_RESOURCE(device_get_parent(cbdev),
598 cbdev, rle->type, rle->rid, rle->res);
599 rle->res = NULL;
600 /*
601 * zero out config so the card won't acknowledge
602 * access to the space anymore
603 */
604 pci_write_config(dinfo->pci.cfg.dev, rle->rid, 0, 4);
605 }
606 }
607 resource_list_free(&dinfo->pci.resources);
608 }
609
610 /************************************************************************/
611 /* Other Bus Methods */
612 /************************************************************************/
613
614 static int
615 cardbus_read_ivar(device_t cbdev, device_t child, int which, uintptr_t *result)
616 {
617 struct cardbus_devinfo *dinfo;
618 pcicfgregs *cfg;
619
620 dinfo = device_get_ivars(child);
621 cfg = &dinfo->pci.cfg;
622
623 switch (which) {
624 case PCI_IVAR_ETHADDR:
625 /*
626 * The generic accessor doesn't deal with failure, so
627 * we set the return value, then return an error.
628 */
629 if (dinfo->fepresent & (1 << PCCARD_TPLFE_TYPE_LAN_NID)) {
630 *((uint8_t **) result) = dinfo->funce.lan.nid;
631 break;
632 }
633 *((uint8_t **) result) = NULL;
634 return (EINVAL);
635 default:
636 return (pci_read_ivar(cbdev, child, which, result));
637 }
638 return 0;
639 }
640
641 static int
642 cardbus_write_ivar(device_t cbdev, device_t child, int which, uintptr_t value)
643 {
644 return(pci_write_ivar(cbdev, child, which, value));
645 }
646
647 static device_method_t cardbus_methods[] = {
648 /* Device interface */
649 DEVMETHOD(device_probe, cardbus_probe),
650 DEVMETHOD(device_attach, cardbus_attach),
651 DEVMETHOD(device_detach, cardbus_detach),
652 DEVMETHOD(device_suspend, cardbus_suspend),
653 DEVMETHOD(device_resume, cardbus_resume),
654
655 /* Bus interface */
656 DEVMETHOD(bus_read_ivar, cardbus_read_ivar),
657 DEVMETHOD(bus_write_ivar, cardbus_write_ivar),
658 DEVMETHOD(bus_driver_added, cardbus_driver_added),
659
660 /* Card Interface */
661 DEVMETHOD(card_attach_card, cardbus_attach_card),
662 DEVMETHOD(card_detach_card, cardbus_detach_card),
663
664 {0,0}
665 };
666
667 DEFINE_CLASS_1(cardbus, cardbus_driver, cardbus_methods, 0, pci_driver);
668
669 static devclass_t cardbus_devclass;
670
671 DRIVER_MODULE(cardbus, cbb, cardbus_driver, cardbus_devclass, 0, 0);
672 MODULE_VERSION(cardbus, 1);
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