1 /* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */
2
3 /*
4 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Marc Horowitz.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD: releng/5.3/sys/dev/pccard/pccard.c 133865 2004-08-16 15:57:18Z imp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/malloc.h>
38 #include <sys/module.h>
39 #include <sys/kernel.h>
40 #include <sys/queue.h>
41 #include <sys/sysctl.h>
42 #include <sys/types.h>
43
44 #include <sys/bus.h>
45 #include <machine/bus.h>
46 #include <sys/rman.h>
47 #include <machine/resource.h>
48
49 #include <net/ethernet.h>
50
51 #include <dev/pccard/pccardreg.h>
52 #include <dev/pccard/pccardvar.h>
53
54 #include "power_if.h"
55 #include "card_if.h"
56
57 #define PCCARDDEBUG
58
59 /* sysctl vars */
60 SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters");
61
62 int pccard_debug = 0;
63 TUNABLE_INT("hw.pccard.debug", &pccard_debug);
64 SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW,
65 &pccard_debug, 0,
66 "pccard debug");
67
68 int pccard_cis_debug = 0;
69 TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug);
70 SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW,
71 &pccard_cis_debug, 0, "pccard CIS debug");
72
73 #ifdef PCCARDDEBUG
74 #define DPRINTF(arg) if (pccard_debug) printf arg
75 #define DEVPRINTF(arg) if (pccard_debug) device_printf arg
76 #define PRVERBOSE(arg) printf arg
77 #define DEVPRVERBOSE(arg) device_printf arg
78 #else
79 #define DPRINTF(arg)
80 #define DEVPRINTF(arg)
81 #define PRVERBOSE(arg) if (bootverbose) printf arg
82 #define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg
83 #endif
84
85 static int pccard_ccr_read(struct pccard_function *pf, int ccr);
86 static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val);
87 static int pccard_attach_card(device_t dev);
88 static int pccard_detach_card(device_t dev);
89 static void pccard_function_init(struct pccard_function *pf);
90 static void pccard_function_free(struct pccard_function *pf);
91 static int pccard_function_enable(struct pccard_function *pf);
92 static void pccard_function_disable(struct pccard_function *pf);
93 static int pccard_compat_do_probe(device_t bus, device_t dev);
94 static int pccard_compat_do_attach(device_t bus, device_t dev);
95 static int pccard_add_children(device_t dev, int busno);
96 static int pccard_probe(device_t dev);
97 static int pccard_attach(device_t dev);
98 static int pccard_detach(device_t dev);
99 static void pccard_print_resources(struct resource_list *rl,
100 const char *name, int type, int count, const char *format);
101 static int pccard_print_child(device_t dev, device_t child);
102 static int pccard_set_resource(device_t dev, device_t child, int type,
103 int rid, u_long start, u_long count);
104 static int pccard_get_resource(device_t dev, device_t child, int type,
105 int rid, u_long *startp, u_long *countp);
106 static void pccard_delete_resource(device_t dev, device_t child, int type,
107 int rid);
108 static int pccard_set_res_flags(device_t dev, device_t child, int type,
109 int rid, u_int32_t flags);
110 static int pccard_set_memory_offset(device_t dev, device_t child, int rid,
111 u_int32_t offset, u_int32_t *deltap);
112 static void pccard_probe_nomatch(device_t cbdev, device_t child);
113 static int pccard_read_ivar(device_t bus, device_t child, int which,
114 u_char *result);
115 static void pccard_driver_added(device_t dev, driver_t *driver);
116 static struct resource *pccard_alloc_resource(device_t dev,
117 device_t child, int type, int *rid, u_long start,
118 u_long end, u_long count, u_int flags);
119 static int pccard_release_resource(device_t dev, device_t child, int type,
120 int rid, struct resource *r);
121 static void pccard_child_detached(device_t parent, device_t dev);
122 static void pccard_intr(void *arg);
123 static int pccard_setup_intr(device_t dev, device_t child,
124 struct resource *irq, int flags, driver_intr_t *intr,
125 void *arg, void **cookiep);
126 static int pccard_teardown_intr(device_t dev, device_t child,
127 struct resource *r, void *cookie);
128
129 static const struct pccard_product *
130 pccard_do_product_lookup(device_t bus, device_t dev,
131 const struct pccard_product *tab, size_t ent_size,
132 pccard_product_match_fn matchfn);
133
134
135 static int
136 pccard_ccr_read(struct pccard_function *pf, int ccr)
137 {
138 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh,
139 pf->pf_ccr_offset + ccr));
140 }
141
142 static void
143 pccard_ccr_write(struct pccard_function *pf, int ccr, int val)
144 {
145 if ((pf->ccr_mask) & (1 << (ccr / 2))) {
146 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh,
147 pf->pf_ccr_offset + ccr, val);
148 }
149 }
150
151 static int
152 pccard_set_default_descr(device_t dev)
153 {
154 const char *vendorstr, *prodstr;
155 uint32_t vendor, prod;
156 char *str;
157
158 if (pccard_get_vendor_str(dev, &vendorstr))
159 return (0);
160 if (pccard_get_product_str(dev, &prodstr))
161 return (0);
162 if (vendorstr != NULL && prodstr != NULL) {
163 str = malloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF,
164 M_WAITOK);
165 sprintf(str, "%s %s", vendorstr, prodstr);
166 device_set_desc_copy(dev, str);
167 free(str, M_DEVBUF);
168 } else {
169 if (pccard_get_vendor(dev, &vendor))
170 return (0);
171 if (pccard_get_product(dev, &prod))
172 return (0);
173 str = malloc(100, M_DEVBUF, M_WAITOK);
174 snprintf(str, 100, "vendor=0x%x product=0x%x", vendor, prod);
175 device_set_desc_copy(dev, str);
176 free(str, M_DEVBUF);
177 }
178 return (0);
179 }
180
181 static int
182 pccard_attach_card(device_t dev)
183 {
184 struct pccard_softc *sc = PCCARD_SOFTC(dev);
185 struct pccard_function *pf;
186 struct pccard_ivar *ivar;
187 device_t child;
188 int i;
189
190 /*
191 * this is here so that when socket_enable calls gettype, trt happens
192 */
193 STAILQ_INIT(&sc->card.pf_head);
194
195 DEVPRINTF((dev, "chip_socket_enable\n"));
196 POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
197
198 DEVPRINTF((dev, "read_cis\n"));
199 pccard_read_cis(sc);
200
201 DEVPRINTF((dev, "check_cis_quirks\n"));
202 pccard_check_cis_quirks(dev);
203
204 /*
205 * bail now if the card has no functions, or if there was an error in
206 * the cis.
207 */
208
209 if (sc->card.error) {
210 device_printf(dev, "CARD ERROR!\n");
211 return (1);
212 }
213 if (STAILQ_EMPTY(&sc->card.pf_head)) {
214 device_printf(dev, "Card has no functions!\n");
215 return (1);
216 }
217
218 if (bootverbose || pccard_debug)
219 pccard_print_cis(dev);
220
221 DEVPRINTF((dev, "functions scanning\n"));
222 i = -1;
223 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
224 i++;
225 if (STAILQ_EMPTY(&pf->cfe_head)) {
226 device_printf(dev,
227 "Function %d has no config entries.!\n", i);
228 continue;
229 }
230 pf->sc = sc;
231 pf->cfe = NULL;
232 pf->dev = NULL;
233 }
234 DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1,
235 pccard_mfc(sc)));
236
237 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
238 if (STAILQ_EMPTY(&pf->cfe_head))
239 continue;
240 /*
241 * In NetBSD, the drivers are responsible for activating
242 * each function of a card. I think that in FreeBSD we
243 * want to activate them enough for the usual bus_*_resource
244 * routines will do the right thing. This many mean a
245 * departure from the current NetBSD model.
246 *
247 * This seems to work well in practice for most cards.
248 * However, there are two cases that are problematic.
249 * If a driver wishes to pick and chose which config
250 * entry to use, then this method falls down. These
251 * are usually older cards. In addition, there are
252 * some cards that have multiple hardware units on the
253 * cards, but presents only one CIS chain. These cards
254 * are combination cards, but only one of these units
255 * can be on at a time.
256 */
257 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF,
258 M_WAITOK | M_ZERO);
259 child = device_add_child(dev, NULL, -1);
260 device_set_ivars(child, ivar);
261 ivar->fcn = pf;
262 pf->dev = child;
263 /*
264 * XXX We might want to move the next two lines into
265 * XXX the pccard interface layer. For the moment, this
266 * XXX is OK, but some drivers want to pick the config
267 * XXX entry to use as well as some address tweaks (mostly
268 * XXX due to bugs in decode logic that makes some
269 * XXX addresses illegal or broken).
270 */
271 pccard_function_init(pf);
272 if (sc->sc_enabled_count == 0)
273 POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
274 if (pccard_function_enable(pf) == 0 &&
275 pccard_set_default_descr(child) == 0 &&
276 device_probe_and_attach(child) == 0) {
277 DEVPRINTF((sc->dev, "function %d CCR at %d "
278 "offset %x mask %x: "
279 "%x %x %x %x, %x %x %x %x, %x\n",
280 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
281 pf->ccr_mask, pccard_ccr_read(pf, 0x00),
282 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
283 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
284 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
285 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
286 } else {
287 if (pf->cfe != NULL)
288 pccard_function_disable(pf);
289 }
290 }
291 return (0);
292 }
293
294 static int
295 pccard_detach_card(device_t dev)
296 {
297 struct pccard_softc *sc = PCCARD_SOFTC(dev);
298 struct pccard_function *pf;
299 struct pccard_config_entry *cfe;
300 int state;
301
302 /*
303 * We are running on either the PCCARD socket's event thread
304 * or in user context detaching a device by user request.
305 */
306 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
307 if (pf->dev == NULL)
308 continue;
309 state = device_get_state(pf->dev);
310 if (state == DS_ATTACHED || state == DS_BUSY)
311 device_detach(pf->dev);
312 if (pf->cfe != NULL)
313 pccard_function_disable(pf);
314 pccard_function_free(pf);
315 device_delete_child(dev, pf->dev);
316 }
317 if (sc->sc_enabled_count == 0)
318 POWER_DISABLE_SOCKET(device_get_parent(dev), dev);
319
320 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) {
321 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) {
322 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list);
323 free(cfe, M_DEVBUF);
324 }
325 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
326 free(pf, M_DEVBUF);
327 }
328 return (0);
329 }
330
331 static const struct pccard_product *
332 pccard_do_product_lookup(device_t bus, device_t dev,
333 const struct pccard_product *tab, size_t ent_size,
334 pccard_product_match_fn matchfn)
335 {
336 const struct pccard_product *ent;
337 int matches;
338 u_int32_t fcn;
339 u_int32_t vendor;
340 u_int32_t prod;
341 const char *vendorstr;
342 const char *prodstr;
343
344 #ifdef DIAGNOSTIC
345 if (sizeof *ent > ent_size)
346 panic("pccard_product_lookup: bogus ent_size %jd",
347 (intmax_t) ent_size);
348 #endif
349 if (pccard_get_vendor(dev, &vendor))
350 return (NULL);
351 if (pccard_get_product(dev, &prod))
352 return (NULL);
353 if (pccard_get_function_number(dev, &fcn))
354 return (NULL);
355 if (pccard_get_vendor_str(dev, &vendorstr))
356 return (NULL);
357 if (pccard_get_product_str(dev, &prodstr))
358 return (NULL);
359 for (ent = tab; ent->pp_vendor != 0; ent =
360 (const struct pccard_product *) ((const char *) ent + ent_size)) {
361 matches = 1;
362 if (ent->pp_vendor == PCCARD_VENDOR_ANY &&
363 ent->pp_product == PCCARD_PRODUCT_ANY &&
364 ent->pp_cis[0] == NULL &&
365 ent->pp_cis[1] == NULL) {
366 if (ent->pp_name)
367 device_printf(dev,
368 "Total wildcard entry ignored for %s\n",
369 ent->pp_name);
370 continue;
371 }
372 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY &&
373 vendor != ent->pp_vendor)
374 matches = 0;
375 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY &&
376 prod != ent->pp_product)
377 matches = 0;
378 if (matches && fcn != ent->pp_expfunc)
379 matches = 0;
380 if (matches && ent->pp_cis[0] &&
381 (vendorstr == NULL ||
382 strcmp(ent->pp_cis[0], vendorstr) != 0))
383 matches = 0;
384 if (matches && ent->pp_cis[1] &&
385 (prodstr == NULL ||
386 strcmp(ent->pp_cis[1], prodstr) != 0))
387 matches = 0;
388 /* XXX need to match cis[2] and cis[3] also XXX */
389 if (matchfn != NULL)
390 matches = (*matchfn)(dev, ent, matches);
391 if (matches)
392 return (ent);
393 }
394 return (NULL);
395 }
396
397 /*
398 * Initialize a PCCARD function. May be called as long as the function is
399 * disabled.
400 *
401 * Note: pccard_function_init should not keep resources allocated. It should
402 * only set them up ala isa pnp, set the values in the rl lists, and return.
403 * Any resource held after pccard_function_init is called is a bug. However,
404 * the bus routines to get the resources also assume that pccard_function_init
405 * does this, so they need to be fixed too.
406 */
407 static void
408 pccard_function_init(struct pccard_function *pf)
409 {
410 struct pccard_config_entry *cfe;
411 int i;
412 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
413 struct resource_list *rl = &devi->resources;
414 struct resource_list_entry *rle;
415 struct resource *r = 0;
416 device_t bus;
417 int start;
418 int end;
419 int spaces;
420
421 if (pf->pf_flags & PFF_ENABLED) {
422 printf("pccard_function_init: function is enabled");
423 return;
424 }
425 bus = device_get_parent(pf->dev);
426 /* Remember which configuration entry we are using. */
427 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
428 for (i = 0; i < cfe->num_iospace; i++)
429 cfe->iores[i] = NULL;
430 cfe->irqres = NULL;
431 spaces = 0;
432 for (i = 0; i < cfe->num_iospace; i++) {
433 start = cfe->iospace[i].start;
434 if (start)
435 end = start + cfe->iospace[i].length - 1;
436 else
437 end = ~0;
438 cfe->iorid[i] = i;
439 DEVPRINTF((bus, "I/O rid %d start %x end %x\n",
440 i, start, end));
441 r = cfe->iores[i] = bus_alloc_resource(bus,
442 SYS_RES_IOPORT, &cfe->iorid[i], start, end,
443 cfe->iospace[i].length,
444 rman_make_alignment_flags(cfe->iospace[i].length));
445 if (cfe->iores[i] == NULL)
446 goto not_this_one;
447 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i],
448 rman_get_start(r), rman_get_end(r),
449 cfe->iospace[i].length);
450 rle = resource_list_find(rl, SYS_RES_IOPORT,
451 cfe->iorid[i]);
452 rle->res = r;
453 spaces++;
454 }
455 if (cfe->num_memspace > 0) {
456 /*
457 * Not implement yet, Fix me.
458 */
459 DEVPRINTF((bus, "Memory space not yet implemented.\n"));
460 }
461 if (spaces == 0) {
462 DEVPRINTF((bus, "Neither memory nor I/O mampped\n"));
463 goto not_this_one;
464 }
465 if (cfe->irqmask) {
466 cfe->irqrid = 0;
467 r = cfe->irqres = bus_alloc_resource_any(bus,
468 SYS_RES_IRQ, &cfe->irqrid, 0);
469 if (cfe->irqres == NULL)
470 goto not_this_one;
471 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid,
472 rman_get_start(r), rman_get_end(r), 1);
473 rle = resource_list_find(rl, SYS_RES_IRQ,
474 cfe->irqrid);
475 rle->res = r;
476 }
477 /* If we get to here, we've allocated all we need */
478 pf->cfe = cfe;
479 break;
480 not_this_one:;
481 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n",
482 cfe->number));
483 /*
484 * Release resources that we partially allocated
485 * from this config entry.
486 */
487 for (i = 0; i < cfe->num_iospace; i++) {
488 if (cfe->iores[i] != NULL) {
489 bus_release_resource(bus, SYS_RES_IOPORT,
490 cfe->iorid[i], cfe->iores[i]);
491 rle = resource_list_find(rl, SYS_RES_IOPORT,
492 cfe->iorid[i]);
493 rle->res = NULL;
494 resource_list_delete(rl, SYS_RES_IOPORT,
495 cfe->iorid[i]);
496 }
497 cfe->iores[i] = NULL;
498 }
499 if (cfe->irqmask && cfe->irqres != NULL) {
500 bus_release_resource(bus, SYS_RES_IRQ,
501 cfe->irqrid, cfe->irqres);
502 rle = resource_list_find(rl, SYS_RES_IRQ,
503 cfe->irqrid);
504 rle->res = NULL;
505 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid);
506 cfe->irqres = NULL;
507 }
508 }
509 }
510
511 /*
512 * Free resources allocated by pccard_function_init(), May be called as long
513 * as the function is disabled.
514 *
515 * NOTE: This function should be unnecessary. pccard_function_init should
516 * never keep resources initialized.
517 */
518 static void
519 pccard_function_free(struct pccard_function *pf)
520 {
521 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
522 struct resource_list_entry *rle;
523
524 if (pf->pf_flags & PFF_ENABLED) {
525 printf("pccard_function_init: function is enabled");
526 return;
527 }
528
529 SLIST_FOREACH(rle, &devi->resources, link) {
530 if (rle->res) {
531 if (rman_get_device(rle->res) != pf->sc->dev)
532 device_printf(pf->sc->dev,
533 "function_free: Resource still owned by "
534 "child, oops. "
535 "(type=%d, rid=%d, addr=%lx)\n",
536 rle->type, rle->rid,
537 rman_get_start(rle->res));
538 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev),
539 pf->sc->dev, rle->type, rle->rid, rle->res);
540 rle->res = NULL;
541 }
542 }
543 resource_list_free(&devi->resources);
544 }
545
546 static void
547 pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr,
548 bus_addr_t offset, bus_size_t size)
549 {
550 bus_size_t iosize, tmp;
551
552 if (addr != 0) {
553 if (pf->pf_mfc_iomax == 0) {
554 pf->pf_mfc_iobase = addr + offset;
555 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
556 } else {
557 /* this makes the assumption that nothing overlaps */
558 if (pf->pf_mfc_iobase > addr + offset)
559 pf->pf_mfc_iobase = addr + offset;
560 if (pf->pf_mfc_iomax < addr + offset + size)
561 pf->pf_mfc_iomax = addr + offset + size;
562 }
563 }
564
565 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
566 /* round up to nearest (2^n)-1 */
567 for (iosize = 1; iosize < tmp; iosize <<= 1)
568 ;
569 iosize--;
570
571 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n",
572 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1)));
573 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
574 pf->pf_mfc_iobase & 0xff);
575 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
576 (pf->pf_mfc_iobase >> 8) & 0xff);
577 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
578 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
579 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
580 }
581
582 /* Enable a PCCARD function */
583 static int
584 pccard_function_enable(struct pccard_function *pf)
585 {
586 struct pccard_function *tmp;
587 int reg;
588 device_t dev = pf->sc->dev;
589
590 if (pf->cfe == NULL) {
591 DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
592 return (ENOMEM);
593 }
594
595 /*
596 * Increase the reference count on the socket, enabling power, if
597 * necessary.
598 */
599 pf->sc->sc_enabled_count++;
600
601 if (pf->pf_flags & PFF_ENABLED) {
602 /*
603 * Don't do anything if we're already enabled.
604 */
605 return (0);
606 }
607
608 /*
609 * it's possible for different functions' CCRs to be in the same
610 * underlying page. Check for that.
611 */
612 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
613 if ((tmp->pf_flags & PFF_ENABLED) &&
614 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
615 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
616 (tmp->ccr_base - tmp->pf_ccr_offset +
617 tmp->pf_ccr_realsize))) {
618 pf->pf_ccrt = tmp->pf_ccrt;
619 pf->pf_ccrh = tmp->pf_ccrh;
620 pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
621
622 /*
623 * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
624 * tmp->ccr_base) + pf->ccr_base;
625 */
626 /* pf->pf_ccr_offset =
627 (tmp->pf_ccr_offset + pf->ccr_base) -
628 tmp->ccr_base; */
629 pf->pf_ccr_window = tmp->pf_ccr_window;
630 break;
631 }
632 }
633 if (tmp == NULL) {
634 pf->ccr_rid = 0;
635 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
636 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
637 if (!pf->ccr_res)
638 goto bad;
639 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n",
640 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
641 pf->ccr_base));
642 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
643 pf->ccr_rid, PCCARD_A_MEM_ATTR);
644 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
645 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
646 pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
647 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
648 pf->pf_ccr_realsize = 1;
649 }
650
651 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
652 reg |= PCCARD_CCR_OPTION_LEVIREQ;
653 if (pccard_mfc(pf->sc)) {
654 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
655 PCCARD_CCR_OPTION_ADDR_DECODE);
656 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
657 }
658 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
659
660 reg = 0;
661 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
662 reg |= PCCARD_CCR_STATUS_IOIS8;
663 if (pf->cfe->flags & PCCARD_CFE_AUDIO)
664 reg |= PCCARD_CCR_STATUS_AUDIO;
665 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
666
667 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
668
669 if (pccard_mfc(pf->sc))
670 pccard_mfc_adjust_iobase(pf, 0, 0, 0);
671
672 #ifdef PCCARDDEBUG
673 if (pccard_debug) {
674 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
675 device_printf(tmp->sc->dev,
676 "function %d CCR at %d offset %x: "
677 "%x %x %x %x, %x %x %x %x, %x\n",
678 tmp->number, tmp->pf_ccr_window,
679 tmp->pf_ccr_offset,
680 pccard_ccr_read(tmp, 0x00),
681 pccard_ccr_read(tmp, 0x02),
682 pccard_ccr_read(tmp, 0x04),
683 pccard_ccr_read(tmp, 0x06),
684 pccard_ccr_read(tmp, 0x0A),
685 pccard_ccr_read(tmp, 0x0C),
686 pccard_ccr_read(tmp, 0x0E),
687 pccard_ccr_read(tmp, 0x10),
688 pccard_ccr_read(tmp, 0x12));
689 }
690 }
691 #endif
692 pf->pf_flags |= PFF_ENABLED;
693 return (0);
694
695 bad:
696 /*
697 * Decrement the reference count, and power down the socket, if
698 * necessary.
699 */
700 pf->sc->sc_enabled_count--;
701 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));
702
703 return (1);
704 }
705
706 /* Disable PCCARD function. */
707 static void
708 pccard_function_disable(struct pccard_function *pf)
709 {
710 struct pccard_function *tmp;
711 device_t dev = pf->sc->dev;
712
713 if (pf->cfe == NULL)
714 panic("pccard_function_disable: function not initialized");
715
716 if ((pf->pf_flags & PFF_ENABLED) == 0) {
717 /*
718 * Don't do anything if we're already disabled.
719 */
720 return;
721 }
722
723 if (pf->intr_handler != NULL) {
724 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
725 struct resource_list_entry *rle =
726 resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
727 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
728 pf->intr_handler_cookie);
729 }
730
731 /*
732 * it's possible for different functions' CCRs to be in the same
733 * underlying page. Check for that. Note we mark us as disabled
734 * first to avoid matching ourself.
735 */
736
737 pf->pf_flags &= ~PFF_ENABLED;
738 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
739 if ((tmp->pf_flags & PFF_ENABLED) &&
740 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
741 ((pf->ccr_base + PCCARD_CCR_SIZE) <=
742 (tmp->ccr_base - tmp->pf_ccr_offset +
743 tmp->pf_ccr_realsize)))
744 break;
745 }
746
747 /* Not used by anyone else; unmap the CCR. */
748 if (tmp == NULL) {
749 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
750 pf->ccr_res);
751 pf->ccr_res = NULL;
752 }
753
754 /*
755 * Decrement the reference count, and power down the socket, if
756 * necessary.
757 */
758 pf->sc->sc_enabled_count--;
759 }
760
761 /*
762 * simulate the old "probe" routine. In the new world order, the driver
763 * needs to grab devices while in the old they were assigned to the device by
764 * the pccardd process. These symbols are exported to the upper layers.
765 */
766 static int
767 pccard_compat_do_probe(device_t bus, device_t dev)
768 {
769 return (CARD_COMPAT_MATCH(dev));
770 }
771
772 static int
773 pccard_compat_do_attach(device_t bus, device_t dev)
774 {
775 int err;
776
777 err = CARD_COMPAT_PROBE(dev);
778 if (err <= 0)
779 err = CARD_COMPAT_ATTACH(dev);
780 return (err);
781 }
782
783 #define PCCARD_NPORT 2
784 #define PCCARD_NMEM 5
785 #define PCCARD_NIRQ 1
786 #define PCCARD_NDRQ 0
787
788 static int
789 pccard_add_children(device_t dev, int busno)
790 {
791 /* Call parent to scan for any current children */
792 return (0);
793 }
794
795 static int
796 pccard_probe(device_t dev)
797 {
798 device_set_desc(dev, "16-bit PCCard bus");
799 return (pccard_add_children(dev, device_get_unit(dev)));
800 }
801
802 static int
803 pccard_attach(device_t dev)
804 {
805 struct pccard_softc *sc = PCCARD_SOFTC(dev);
806
807 sc->dev = dev;
808 sc->sc_enabled_count = 0;
809 return (bus_generic_attach(dev));
810 }
811
812 static int
813 pccard_detach(device_t dev)
814 {
815 pccard_detach_card(dev);
816 return 0;
817 }
818
819 static int
820 pccard_suspend(device_t self)
821 {
822 pccard_detach_card(self);
823 return (0);
824 }
825
826 static
827 int
828 pccard_resume(device_t self)
829 {
830 return (0);
831 }
832
833 static void
834 pccard_print_resources(struct resource_list *rl, const char *name, int type,
835 int count, const char *format)
836 {
837 struct resource_list_entry *rle;
838 int printed;
839 int i;
840
841 printed = 0;
842 for (i = 0; i < count; i++) {
843 rle = resource_list_find(rl, type, i);
844 if (rle != NULL) {
845 if (printed == 0)
846 printf(" %s ", name);
847 else if (printed > 0)
848 printf(",");
849 printed++;
850 printf(format, rle->start);
851 if (rle->count > 1) {
852 printf("-");
853 printf(format, rle->start + rle->count - 1);
854 }
855 } else if (i > 3) {
856 /* check the first few regardless */
857 break;
858 }
859 }
860 }
861
862 static int
863 pccard_print_child(device_t dev, device_t child)
864 {
865 struct pccard_ivar *devi = PCCARD_IVAR(child);
866 struct resource_list *rl = &devi->resources;
867 int retval = 0;
868
869 retval += bus_print_child_header(dev, child);
870 retval += printf(" at");
871
872 if (devi != NULL) {
873 pccard_print_resources(rl, "port", SYS_RES_IOPORT,
874 PCCARD_NPORT, "%#lx");
875 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
876 PCCARD_NMEM, "%#lx");
877 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
878 "%ld");
879 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
880 "%ld");
881 retval += printf(" function %d config %d", devi->fcn->number,
882 devi->fcn->cfe->number);
883 }
884
885 retval += bus_print_child_footer(dev, child);
886
887 return (retval);
888 }
889
890 static int
891 pccard_set_resource(device_t dev, device_t child, int type, int rid,
892 u_long start, u_long count)
893 {
894 struct pccard_ivar *devi = PCCARD_IVAR(child);
895 struct resource_list *rl = &devi->resources;
896
897 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
898 && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
899 return (EINVAL);
900 if (rid < 0)
901 return (EINVAL);
902 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
903 return (EINVAL);
904 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
905 return (EINVAL);
906 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
907 return (EINVAL);
908 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
909 return (EINVAL);
910
911 resource_list_add(rl, type, rid, start, start + count - 1, count);
912 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
913 type, &rid, start, start + count - 1, count, 0))
914 return 0;
915 else
916 return ENOMEM;
917 }
918
919 static int
920 pccard_get_resource(device_t dev, device_t child, int type, int rid,
921 u_long *startp, u_long *countp)
922 {
923 struct pccard_ivar *devi = PCCARD_IVAR(child);
924 struct resource_list *rl = &devi->resources;
925 struct resource_list_entry *rle;
926
927 rle = resource_list_find(rl, type, rid);
928 if (rle == NULL)
929 return (ENOENT);
930
931 if (startp != NULL)
932 *startp = rle->start;
933 if (countp != NULL)
934 *countp = rle->count;
935
936 return (0);
937 }
938
939 static void
940 pccard_delete_resource(device_t dev, device_t child, int type, int rid)
941 {
942 struct pccard_ivar *devi = PCCARD_IVAR(child);
943 struct resource_list *rl = &devi->resources;
944 resource_list_delete(rl, type, rid);
945 }
946
947 static int
948 pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
949 u_int32_t flags)
950 {
951 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
952 rid, flags));
953 }
954
955 static int
956 pccard_set_memory_offset(device_t dev, device_t child, int rid,
957 u_int32_t offset, u_int32_t *deltap)
958
959 {
960 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
961 offset, deltap));
962 }
963
964 static void
965 pccard_probe_nomatch(device_t bus, device_t child)
966 {
967 struct pccard_ivar *devi = PCCARD_IVAR(child);
968 struct pccard_function *func = devi->fcn;
969 struct pccard_softc *sc = PCCARD_SOFTC(bus);
970
971 device_printf(bus, "<unknown card>");
972 printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n",
973 sc->card.manufacturer, sc->card.product, func->number);
974 device_printf(bus, " CIS info: %s, %s, %s\n", sc->card.cis1_info[0],
975 sc->card.cis1_info[1], sc->card.cis1_info[2]);
976 return;
977 }
978
979 static int
980 pccard_child_location_str(device_t bus, device_t child, char *buf,
981 size_t buflen)
982 {
983 struct pccard_ivar *devi = PCCARD_IVAR(child);
984 struct pccard_function *func = devi->fcn;
985
986 snprintf(buf, buflen, "function=%d", func->number);
987 return (0);
988 }
989
990 static int
991 pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf,
992 size_t buflen)
993 {
994 struct pccard_ivar *devi = PCCARD_IVAR(child);
995 struct pccard_function *func = devi->fcn;
996 struct pccard_softc *sc = PCCARD_SOFTC(bus);
997
998 snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x "
999 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d",
1000 sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0],
1001 sc->card.cis1_info[1], func->function);
1002 return (0);
1003 }
1004
1005 static int
1006 pccard_read_ivar(device_t bus, device_t child, int which, u_char *result)
1007 {
1008 struct pccard_ivar *devi = PCCARD_IVAR(child);
1009 struct pccard_function *func = devi->fcn;
1010 struct pccard_softc *sc = PCCARD_SOFTC(bus);
1011
1012 switch (which) {
1013 default:
1014 case PCCARD_IVAR_ETHADDR:
1015 bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN);
1016 break;
1017 case PCCARD_IVAR_VENDOR:
1018 *(u_int32_t *) result = sc->card.manufacturer;
1019 break;
1020 case PCCARD_IVAR_PRODUCT:
1021 *(u_int32_t *) result = sc->card.product;
1022 break;
1023 case PCCARD_IVAR_PRODEXT:
1024 *(u_int16_t *) result = sc->card.prodext;
1025 break;
1026 case PCCARD_IVAR_FUNCTION:
1027 *(u_int32_t *) result = func->function;
1028 break;
1029 case PCCARD_IVAR_FUNCTION_NUMBER:
1030 if (!func) {
1031 device_printf(bus, "No function number, bug!\n");
1032 return (ENOENT);
1033 }
1034 *(u_int32_t *) result = func->number;
1035 break;
1036 case PCCARD_IVAR_VENDOR_STR:
1037 *(char **) result = sc->card.cis1_info[0];
1038 break;
1039 case PCCARD_IVAR_PRODUCT_STR:
1040 *(char **) result = sc->card.cis1_info[1];
1041 break;
1042 case PCCARD_IVAR_CIS3_STR:
1043 *(char **) result = sc->card.cis1_info[2];
1044 break;
1045 case PCCARD_IVAR_CIS4_STR:
1046 *(char **) result = sc->card.cis1_info[3];
1047 break;
1048 }
1049 return (0);
1050 }
1051
1052 static void
1053 pccard_driver_added(device_t dev, driver_t *driver)
1054 {
1055 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1056 struct pccard_function *pf;
1057 device_t child;
1058
1059 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
1060 if (STAILQ_EMPTY(&pf->cfe_head))
1061 continue;
1062 child = pf->dev;
1063 if (device_get_state(child) != DS_NOTPRESENT)
1064 continue;
1065 if (pccard_function_enable(pf) == 0 &&
1066 device_probe_and_attach(child) == 0) {
1067 DEVPRINTF((sc->dev, "function %d CCR at %d "
1068 "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
1069 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
1070 pccard_ccr_read(pf, 0x00),
1071 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
1072 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
1073 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
1074 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
1075 } else {
1076 if (pf->cfe != NULL)
1077 pccard_function_disable(pf);
1078 }
1079 }
1080 return;
1081 }
1082
1083 static struct resource *
1084 pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
1085 u_long start, u_long end, u_long count, u_int flags)
1086 {
1087 struct pccard_ivar *dinfo;
1088 struct resource_list_entry *rle = 0;
1089 int passthrough = (device_get_parent(child) != dev);
1090 int isdefault = (start == 0 && end == ~0UL && count == 1);
1091 struct resource *r = NULL;
1092
1093 /* XXX I'm no longer sure this is right */
1094 if (passthrough) {
1095 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
1096 type, rid, start, end, count, flags));
1097 }
1098
1099 dinfo = device_get_ivars(child);
1100 rle = resource_list_find(&dinfo->resources, type, *rid);
1101
1102 if (rle == NULL && isdefault)
1103 return (NULL); /* no resource of that type/rid */
1104 if (rle == NULL || rle->res == NULL) {
1105 /* Do we want this device to own it? */
1106 /* XXX I think so, but that might be lame XXX */
1107 r = bus_alloc_resource(dev, type, rid, start, end,
1108 count, flags /* XXX aligment? */);
1109 if (r == NULL)
1110 goto bad;
1111 resource_list_add(&dinfo->resources, type, *rid,
1112 rman_get_start(r), rman_get_end(r), count);
1113 rle = resource_list_find(&dinfo->resources, type, *rid);
1114 if (!rle)
1115 goto bad;
1116 rle->res = r;
1117 }
1118 /*
1119 * XXX the following looks wrong, in theory, but likely it is
1120 * XXX needed because of how the CIS code allocates resources
1121 * XXX for this device.
1122 */
1123 if (rman_get_device(rle->res) != dev)
1124 return (NULL);
1125 bus_release_resource(dev, type, *rid, rle->res);
1126 rle->res = NULL;
1127 switch(type) {
1128 case SYS_RES_IOPORT:
1129 case SYS_RES_MEMORY:
1130 if (!(flags & RF_ALIGNMENT_MASK))
1131 flags |= rman_make_alignment_flags(rle->count);
1132 break;
1133 case SYS_RES_IRQ:
1134 flags |= RF_SHAREABLE;
1135 break;
1136 }
1137 rle->res = resource_list_alloc(&dinfo->resources, dev, child,
1138 type, rid, rle->start, rle->end, rle->count, flags);
1139 return (rle->res);
1140 bad:;
1141 device_printf(dev, "WARNING: Resource not reserved by pccard\n");
1142 return (NULL);
1143 }
1144
1145 static int
1146 pccard_release_resource(device_t dev, device_t child, int type, int rid,
1147 struct resource *r)
1148 {
1149 struct pccard_ivar *dinfo;
1150 int passthrough = (device_get_parent(child) != dev);
1151 struct resource_list_entry *rle = 0;
1152 int ret;
1153 int flags;
1154
1155 if (passthrough)
1156 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1157 type, rid, r);
1158
1159 dinfo = device_get_ivars(child);
1160
1161 rle = resource_list_find(&dinfo->resources, type, rid);
1162
1163 if (!rle) {
1164 device_printf(dev, "Allocated resource not found, "
1165 "%d %x %lx %lx\n",
1166 type, rid, rman_get_start(r), rman_get_size(r));
1167 return ENOENT;
1168 }
1169 if (!rle->res) {
1170 device_printf(dev, "Allocated resource not recorded\n");
1171 return ENOENT;
1172 }
1173
1174 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1175 type, rid, r);
1176 switch(type) {
1177 case SYS_RES_IOPORT:
1178 case SYS_RES_MEMORY:
1179 flags = rman_make_alignment_flags(rle->count);
1180 break;
1181 case SYS_RES_IRQ:
1182 flags = RF_SHAREABLE;
1183 break;
1184 default:
1185 flags = 0;
1186 }
1187 rle->res = bus_alloc_resource(dev, type, &rid,
1188 rle->start, rle->end, rle->count, flags);
1189 if (rle->res == NULL)
1190 device_printf(dev, "release_resource: "
1191 "unable to reaquire resource\n");
1192 return ret;
1193 }
1194
1195 static void
1196 pccard_child_detached(device_t parent, device_t dev)
1197 {
1198 struct pccard_ivar *ivar = PCCARD_IVAR(dev);
1199 struct pccard_function *pf = ivar->fcn;
1200
1201 pccard_function_disable(pf);
1202 }
1203
1204 static void
1205 pccard_intr(void *arg)
1206 {
1207 struct pccard_function *pf = (struct pccard_function*) arg;
1208 int reg;
1209 int doisr = 1;
1210
1211 /*
1212 * MFC cards know if they interrupted, so we have to ack the
1213 * interrupt and call the ISR. Non-MFC cards don't have these
1214 * bits, so they always get called. Many non-MFC cards have
1215 * this bit set always upon read, but some do not.
1216 *
1217 * We always ack the interrupt, even if there's no ISR
1218 * for the card. This is done on the theory that acking
1219 * the interrupt will pacify the card enough to keep an
1220 * interrupt storm from happening. Of course this won't
1221 * help in the non-MFC case.
1222 *
1223 * This has no impact for MPSAFEness of the client drivers.
1224 * We register this with whatever flags the intr_handler
1225 * was registered with. All these functions are MPSAFE.
1226 */
1227 if (pccard_mfc(pf->sc)) {
1228 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
1229 if (reg & PCCARD_CCR_STATUS_INTR)
1230 pccard_ccr_write(pf, PCCARD_CCR_STATUS,
1231 reg & ~PCCARD_CCR_STATUS_INTR);
1232 else
1233 doisr = 0;
1234 }
1235 if (pf->intr_handler != NULL && doisr)
1236 pf->intr_handler(pf->intr_handler_arg);
1237 }
1238
1239 static int
1240 pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
1241 int flags, driver_intr_t *intr, void *arg, void **cookiep)
1242 {
1243 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1244 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1245 struct pccard_function *func = ivar->fcn;
1246 int err;
1247
1248 if (func->intr_handler != NULL)
1249 panic("Only one interrupt handler per function allowed");
1250 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
1251 func, cookiep);
1252 if (err != 0)
1253 return (err);
1254 func->intr_handler = intr;
1255 func->intr_handler_arg = arg;
1256 func->intr_handler_cookie = *cookiep;
1257 if (pccard_mfc(sc)) {
1258 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1259 pccard_ccr_read(func, PCCARD_CCR_OPTION) |
1260 PCCARD_CCR_OPTION_IREQ_ENABLE);
1261 }
1262 return (0);
1263 }
1264
1265 static int
1266 pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
1267 void *cookie)
1268 {
1269 struct pccard_softc *sc = PCCARD_SOFTC(dev);
1270 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1271 struct pccard_function *func = ivar->fcn;
1272 int ret;
1273
1274 if (pccard_mfc(sc)) {
1275 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1276 pccard_ccr_read(func, PCCARD_CCR_OPTION) &
1277 ~PCCARD_CCR_OPTION_IREQ_ENABLE);
1278 }
1279 ret = bus_generic_teardown_intr(dev, child, r, cookie);
1280 if (ret == 0) {
1281 func->intr_handler = NULL;
1282 func->intr_handler_arg = NULL;
1283 func->intr_handler_cookie = NULL;
1284 }
1285
1286 return (ret);
1287 }
1288
1289 static int
1290 pccard_activate_resource(device_t brdev, device_t child, int type, int rid,
1291 struct resource *r)
1292 {
1293 struct pccard_ivar *ivar = PCCARD_IVAR(child);
1294 struct pccard_function *pf = ivar->fcn;
1295
1296 switch(type) {
1297 case SYS_RES_IOPORT:
1298 /*
1299 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC
1300 * card.
1301 */
1302 if (pccard_mfc(pf->sc))
1303 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0,
1304 rman_get_size(r));
1305 break;
1306 default:
1307 break;
1308 }
1309 return (bus_generic_activate_resource(brdev, child, type, rid, r));
1310 }
1311
1312 static int
1313 pccard_deactivate_resource(device_t brdev, device_t child, int type,
1314 int rid, struct resource *r)
1315 {
1316 /* XXX undo pccard_activate_resource? XXX */
1317 return (bus_generic_deactivate_resource(brdev, child, type, rid, r));
1318 }
1319
1320 static device_method_t pccard_methods[] = {
1321 /* Device interface */
1322 DEVMETHOD(device_probe, pccard_probe),
1323 DEVMETHOD(device_attach, pccard_attach),
1324 DEVMETHOD(device_detach, pccard_detach),
1325 DEVMETHOD(device_shutdown, bus_generic_shutdown),
1326 DEVMETHOD(device_suspend, pccard_suspend),
1327 DEVMETHOD(device_resume, pccard_resume),
1328
1329 /* Bus interface */
1330 DEVMETHOD(bus_print_child, pccard_print_child),
1331 DEVMETHOD(bus_driver_added, pccard_driver_added),
1332 DEVMETHOD(bus_child_detached, pccard_child_detached),
1333 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource),
1334 DEVMETHOD(bus_release_resource, pccard_release_resource),
1335 DEVMETHOD(bus_activate_resource, pccard_activate_resource),
1336 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource),
1337 DEVMETHOD(bus_setup_intr, pccard_setup_intr),
1338 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr),
1339 DEVMETHOD(bus_set_resource, pccard_set_resource),
1340 DEVMETHOD(bus_get_resource, pccard_get_resource),
1341 DEVMETHOD(bus_delete_resource, pccard_delete_resource),
1342 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch),
1343 DEVMETHOD(bus_read_ivar, pccard_read_ivar),
1344 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str),
1345 DEVMETHOD(bus_child_location_str, pccard_child_location_str),
1346
1347 /* Card Interface */
1348 DEVMETHOD(card_set_res_flags, pccard_set_res_flags),
1349 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
1350 DEVMETHOD(card_attach_card, pccard_attach_card),
1351 DEVMETHOD(card_detach_card, pccard_detach_card),
1352 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
1353 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
1354 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
1355
1356 { 0, 0 }
1357 };
1358
1359 static driver_t pccard_driver = {
1360 "pccard",
1361 pccard_methods,
1362 sizeof(struct pccard_softc)
1363 };
1364
1365 devclass_t pccard_devclass;
1366
1367 /* Maybe we need to have a slot device? */
1368 DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0);
1369 DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0);
1370 MODULE_VERSION(pccard, 1);
Cache object: 3af1b078f82404e174c56c6dcc2008c2
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