pci: Fix up bunch of warnings
[dragonfly.git] / sys / dev / pccard / cardbus / cardbus.c
CommitLineData
3aef8050
SZ
1/*-
2 * Copyright (c) 2003 M. Warner Losh. All Rights Reserved.
3 * Copyright (c) 2000,2001 Jonathan Chen. All rights reserved.
666d2603
JS
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
3aef8050 9 * notice, this list of conditions and the following disclaimer.
666d2603 10 * 2. Redistributions in binary form must reproduce the above copyright
3aef8050
SZ
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
666d2603
JS
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
3aef8050
SZ
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
666d2603
JS
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 $
c28d8146 27 * $DragonFly: src/sys/dev/pccard/cardbus/cardbus.c,v 1.13 2008/01/11 10:53:46 sephe Exp $
666d2603
JS
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>
3aef8050 42#include <sys/module.h>
666d2603
JS
43#include <sys/kernel.h>
44#include <sys/sysctl.h>
3aef8050 45
666d2603 46#include <sys/bus.h>
666d2603 47#include <sys/rman.h>
666d2603
JS
48
49#include <sys/pciio.h>
50#include <bus/pci/pcivar.h>
51#include <bus/pci/pcireg.h>
4dbda664 52#include <bus/pci/pci_private.h>
666d2603
JS
53
54#include <dev/pccard/cardbus/cardbusreg.h>
55#include <dev/pccard/cardbus/cardbusvar.h>
56#include <dev/pccard/cardbus/cardbus_cis.h>
3aef8050 57#include <bus/pccard/pccard_cis.h>
666d2603
JS
58#include <bus/pccard/pccardvar.h>
59
60#include "power_if.h"
61#include "pcib_if.h"
62
63/* sysctl vars */
64SYSCTL_NODE(_hw, OID_AUTO, cardbus, CTLFLAG_RD, 0, "CardBus parameters");
65
66int cardbus_debug = 0;
67TUNABLE_INT("hw.cardbus.debug", &cardbus_debug);
68SYSCTL_INT(_hw_cardbus, OID_AUTO, debug, CTLFLAG_RW,
69 &cardbus_debug, 0,
70 "CardBus debug");
71
72int cardbus_cis_debug = 0;
73TUNABLE_INT("hw.cardbus.cis_debug", &cardbus_cis_debug);
74SYSCTL_INT(_hw_cardbus, OID_AUTO, cis_debug, CTLFLAG_RW,
75 &cardbus_cis_debug, 0,
76 "CardBus CIS debug");
77
e3869ec7 78#define DPRINTF(a) if (cardbus_debug) kprintf a
666d2603
JS
79#define DEVPRINTF(x) if (cardbus_debug) device_printf x
80
81
3aef8050
SZ
82static void cardbus_add_map(device_t cbdev, device_t child, int reg);
83static int cardbus_alloc_resources(device_t cbdev, device_t child);
666d2603
JS
84static int cardbus_attach(device_t cbdev);
85static int cardbus_attach_card(device_t cbdev);
3aef8050 86static int cardbus_barsort(const void *a, const void *b);
666d2603
JS
87static int cardbus_detach(device_t cbdev);
88static int cardbus_detach_card(device_t cbdev);
89static void cardbus_device_setup_regs(device_t brdev, int b, int s, int f,
90 pcicfgregs *cfg);
666d2603 91static void cardbus_driver_added(device_t cbdev, driver_t *driver);
3aef8050 92static void cardbus_pickup_maps(device_t cbdev, device_t child);
666d2603 93static int cardbus_probe(device_t cbdev);
666d2603 94static int cardbus_read_ivar(device_t cbdev, device_t child, int which,
3aef8050 95 uintptr_t *result);
666d2603
JS
96static void cardbus_release_all_resources(device_t cbdev,
97 struct cardbus_devinfo *dinfo);
666d2603
JS
98static int cardbus_write_ivar(device_t cbdev, device_t child, int which,
99 uintptr_t value);
100
3aef8050
SZ
101/*
102 * Resource allocation
103 */
104/*
105 * Adding a memory/io resource (sans CIS)
106 */
107
108static void
109cardbus_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);
c28d8146
SZ
139 if (bootverbose) {
140 device_printf(cbdev, "Resource not specified in CIS: "
141 "id=%x, size=%x\n", reg, size);
142 }
3aef8050
SZ
143 resource_list_add(&dinfo->pci.resources, type, reg, 0UL, ~0UL, size);
144}
145
146static void
147cardbus_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
161static void
162cardbus_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
169static int
170cardbus_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 */
177static int
178cardbus_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);
c0b62bc3
SZ
372 dinfo->pci.cfg.intline = start;
373 pci_write_config(child, PCIR_INTLINE, start, 1);
3aef8050
SZ
374
375 kfree(barlist, M_DEVBUF);
376 return (0);
377}
378
666d2603
JS
379/************************************************************************/
380/* Probe/Attach */
381/************************************************************************/
382
383static int
384cardbus_probe(device_t cbdev)
385{
386 device_set_desc(cbdev, "CardBus bus");
387 return 0;
388}
389
390static int
391cardbus_attach(device_t cbdev)
392{
393 return 0;
394}
395
396static int
397cardbus_detach(device_t cbdev)
398{
399 cardbus_detach_card(cbdev);
400 return 0;
401}
402
403static int
404cardbus_suspend(device_t self)
405{
406 cardbus_detach_card(self);
407 return (0);
408}
409
410static int
411cardbus_resume(device_t self)
412{
413 return (0);
414}
415
416/************************************************************************/
417/* Attach/Detach card */
418/************************************************************************/
419
420static void
421cardbus_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
440static int
441cardbus_attach_card(device_t cbdev)
442{
443 device_t brdev = device_get_parent(cbdev);
3aef8050 444 device_t child;
666d2603 445 int cardattached = 0;
4d28e78f 446 int bus, slot, func, domain;
666d2603
JS
447
448 cardbus_detach_card(cbdev); /* detach existing cards */
666d2603 449 POWER_ENABLE_SOCKET(brdev, cbdev);
2f82e19e 450 bus = pcib_get_bus(brdev);
4d28e78f 451 domain = pcib_get_domain(brdev);
666d2603
JS
452 /* For each function, set it up and try to attach a driver to it */
453 for (slot = 0; slot <= CARDBUS_SLOTMAX; slot++) {
454 int cardbusfunchigh = 0;
455 for (func = 0; func <= cardbusfunchigh; func++) {
3aef8050 456 struct cardbus_devinfo *dinfo;
666d2603 457
3aef8050 458 dinfo = (struct cardbus_devinfo *)
4d28e78f 459 pci_read_device(brdev, domain, bus, slot, func,
3aef8050 460 sizeof(struct cardbus_devinfo));
666d2603
JS
461 if (dinfo == NULL)
462 continue;
463 if (dinfo->pci.cfg.mfdev)
464 cardbusfunchigh = CARDBUS_FUNCMAX;
465
466 cardbus_device_setup_regs(brdev, bus, slot, func,
467 &dinfo->pci.cfg);
3aef8050
SZ
468 child = device_add_child(cbdev, NULL, -1);
469 if (child == NULL) {
666d2603 470 DEVPRINTF((cbdev, "Cannot add child!\n"));
3aef8050 471 pci_freecfg((struct pci_devinfo *)dinfo);
666d2603
JS
472 continue;
473 }
3aef8050 474 dinfo->pci.cfg.dev = child;
666d2603 475 resource_list_init(&dinfo->pci.resources);
3aef8050
SZ
476 device_set_ivars(child, dinfo);
477 if (cardbus_do_cis(cbdev, child) != 0) {
478 DEVPRINTF((cbdev, "Can't parse cis\n"));
479 pci_freecfg((struct pci_devinfo *)dinfo);
480 continue;
481 }
482 cardbus_pickup_maps(cbdev, child);
483 cardbus_alloc_resources(cbdev, child);
484 pci_print_verbose(&dinfo->pci);
485 if (device_probe_and_attach(child) != 0)
666d2603
JS
486 cardbus_release_all_resources(cbdev, dinfo);
487 else
488 cardattached++;
489 }
490 }
491
492 if (cardattached > 0)
493 return (0);
494 POWER_DISABLE_SOCKET(brdev, cbdev);
495 return (ENOENT);
496}
497
498static int
499cardbus_detach_card(device_t cbdev)
500{
501 int numdevs;
502 device_t *devlist;
503 int tmp;
504 int err = 0;
505
506 device_get_children(cbdev, &devlist, &numdevs);
507
508 if (numdevs == 0) {
efda3bd0 509 kfree(devlist, M_TEMP);
666d2603
JS
510 return (ENOENT);
511 }
512
513 for (tmp = 0; tmp < numdevs; tmp++) {
514 struct cardbus_devinfo *dinfo = device_get_ivars(devlist[tmp]);
515 int status = device_get_state(devlist[tmp]);
516
517 if (dinfo->pci.cfg.dev != devlist[tmp])
518 device_printf(cbdev, "devinfo dev mismatch\n");
519 if (status == DS_ATTACHED || status == DS_BUSY)
520 device_detach(devlist[tmp]);
521 cardbus_release_all_resources(cbdev, dinfo);
522 device_delete_child(cbdev, devlist[tmp]);
3aef8050 523 pci_freecfg((struct pci_devinfo *)dinfo);
666d2603
JS
524 }
525 POWER_DISABLE_SOCKET(device_get_parent(cbdev), cbdev);
efda3bd0 526 kfree(devlist, M_TEMP);
666d2603
JS
527 return (err);
528}
529
530static void
531cardbus_driver_added(device_t cbdev, driver_t *driver)
532{
533 int numdevs;
534 device_t *devlist;
3aef8050
SZ
535 device_t dev;
536 int i;
666d2603
JS
537 struct cardbus_devinfo *dinfo;
538
666d2603 539 DEVICE_IDENTIFY(driver, cbdev);
3aef8050 540 device_get_children(cbdev, &devlist, &numdevs);
666d2603 541 /*
3aef8050
SZ
542 * If there are no drivers attached, but there are children,
543 * then power the card up.
666d2603 544 */
3aef8050
SZ
545 for (i = 0; i < numdevs; i++) {
546 dev = devlist[i];
547 if (device_get_state(dev) != DS_NOTPRESENT)
548 break;
666d2603 549 }
3aef8050
SZ
550 if (i > 0 && i == numdevs)
551 POWER_ENABLE_SOCKET(device_get_parent(cbdev), cbdev);
552 for (i = 0; i < numdevs; i++) {
553 dev = devlist[i];
554 if (device_get_state(dev) != DS_NOTPRESENT)
555 continue;
556 dinfo = device_get_ivars(dev);
557 pci_print_verbose(&dinfo->pci);
558 resource_list_init(&dinfo->pci.resources);
559 cardbus_do_cis(cbdev, dev);
560 cardbus_pickup_maps(cbdev, dev);
561 cardbus_alloc_resources(cbdev, dev);
562 if (device_probe_and_attach(dev) != 0)
563 cardbus_release_all_resources(cbdev, dinfo);
666d2603 564 }
3aef8050 565 kfree(devlist, M_TEMP);
666d2603
JS
566}
567
568static void
569cardbus_release_all_resources(device_t cbdev, struct cardbus_devinfo *dinfo)
570{
571 struct resource_list_entry *rle;
572
573 /* Free all allocated resources */
574 SLIST_FOREACH(rle, &dinfo->pci.resources, link) {
575 if (rle->res) {
3aef8050 576 if (rman_get_device(rle->res) != cbdev)
666d2603
JS
577 device_printf(cbdev, "release_all_resource: "
578 "Resource still owned by child, oops. "
579 "(type=%d, rid=%d, addr=%lx)\n",
580 rle->type, rle->rid,
581 rman_get_start(rle->res));
582 BUS_RELEASE_RESOURCE(device_get_parent(cbdev),
3aef8050 583 cbdev, rle->type, rle->rid, rle->res);
666d2603
JS
584 rle->res = NULL;
585 /*
586 * zero out config so the card won't acknowledge
587 * access to the space anymore
588 */
589 pci_write_config(dinfo->pci.cfg.dev, rle->rid, 0, 4);
590 }
591 }
592 resource_list_free(&dinfo->pci.resources);
593}
594
666d2603
JS
595/************************************************************************/
596/* Other Bus Methods */
597/************************************************************************/
598
599static int
3aef8050 600cardbus_read_ivar(device_t cbdev, device_t child, int which, uintptr_t *result)
666d2603
JS
601{
602 struct cardbus_devinfo *dinfo;
603 pcicfgregs *cfg;
604
605 dinfo = device_get_ivars(child);
606 cfg = &dinfo->pci.cfg;
607
608 switch (which) {
609 case PCI_IVAR_ETHADDR:
610 /*
611 * The generic accessor doesn't deal with failure, so
612 * we set the return value, then return an error.
613 */
3aef8050
SZ
614 if (dinfo->fepresent & (1 << PCCARD_TPLFE_TYPE_LAN_NID)) {
615 *((uint8_t **) result) = dinfo->funce.lan.nid;
616 break;
666d2603 617 }
3aef8050
SZ
618 *((uint8_t **) result) = NULL;
619 return (EINVAL);
666d2603 620 default:
3aef8050 621 return (pci_read_ivar(cbdev, child, which, result));
666d2603
JS
622 }
623 return 0;
624}
625
626static int
627cardbus_write_ivar(device_t cbdev, device_t child, int which, uintptr_t value)
628{
3aef8050 629 return(pci_write_ivar(cbdev, child, which, value));
666d2603
JS
630}
631
632static device_method_t cardbus_methods[] = {
633 /* Device interface */
634 DEVMETHOD(device_probe, cardbus_probe),
635 DEVMETHOD(device_attach, cardbus_attach),
636 DEVMETHOD(device_detach, cardbus_detach),
666d2603
JS
637 DEVMETHOD(device_suspend, cardbus_suspend),
638 DEVMETHOD(device_resume, cardbus_resume),
639
640 /* Bus interface */
666d2603
JS
641 DEVMETHOD(bus_read_ivar, cardbus_read_ivar),
642 DEVMETHOD(bus_write_ivar, cardbus_write_ivar),
643 DEVMETHOD(bus_driver_added, cardbus_driver_added),
666d2603
JS
644
645 /* Card Interface */
646 DEVMETHOD(card_attach_card, cardbus_attach_card),
647 DEVMETHOD(card_detach_card, cardbus_detach_card),
666d2603
JS
648
649 {0,0}
650};
651
3aef8050 652DEFINE_CLASS_1(cardbus, cardbus_driver, cardbus_methods, 0, pci_driver);
666d2603
JS
653
654static devclass_t cardbus_devclass;
655
656DRIVER_MODULE(cardbus, cbb, cardbus_driver, cardbus_devclass, 0, 0);
657MODULE_VERSION(cardbus, 1);