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sys/dev/pccard/pccard.c
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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: src/sys/dev/pccard/pccard.c,v 1.93.2.2 2005/02/03 00:30:02 imp Exp $"); 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, uint32_t flags); 110 static int pccard_set_memory_offset(device_t dev, device_t child, int rid, 111 uint32_t offset, uint32_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 uint32_t vendor; 339 uint32_t prod; 340 const char *vendorstr; 341 const char *prodstr; 342 const char *cis3str; 343 const char *cis4str; 344 345 #ifdef DIAGNOSTIC 346 if (sizeof *ent > ent_size) 347 panic("pccard_product_lookup: bogus ent_size %jd", 348 (intmax_t) ent_size); 349 #endif 350 if (pccard_get_vendor(dev, &vendor)) 351 return (NULL); 352 if (pccard_get_product(dev, &prod)) 353 return (NULL); 354 if (pccard_get_vendor_str(dev, &vendorstr)) 355 return (NULL); 356 if (pccard_get_product_str(dev, &prodstr)) 357 return (NULL); 358 if (pccard_get_cis3_str(dev, &cis3str)) 359 return (NULL); 360 if (pccard_get_cis4_str(dev, &cis4str)) 361 return (NULL); 362 for (ent = tab; ent->pp_vendor != 0; ent = 363 (const struct pccard_product *) ((const char *) ent + ent_size)) { 364 matches = 1; 365 if (ent->pp_vendor == PCCARD_VENDOR_ANY && 366 ent->pp_product == PCCARD_PRODUCT_ANY && 367 ent->pp_cis[0] == NULL && 368 ent->pp_cis[1] == NULL) { 369 if (ent->pp_name) 370 device_printf(dev, 371 "Total wildcard entry ignored for %s\n", 372 ent->pp_name); 373 continue; 374 } 375 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 376 vendor != ent->pp_vendor) 377 matches = 0; 378 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 379 prod != ent->pp_product) 380 matches = 0; 381 if (matches && ent->pp_cis[0] && 382 (vendorstr == NULL || 383 strcmp(ent->pp_cis[0], vendorstr) != 0)) 384 matches = 0; 385 if (matches && ent->pp_cis[1] && 386 (prodstr == NULL || 387 strcmp(ent->pp_cis[1], prodstr) != 0)) 388 matches = 0; 389 if (matches && ent->pp_cis[2] && 390 (cis3str == NULL || 391 strcmp(ent->pp_cis[2], cis3str) != 0)) 392 matches = 0; 393 if (matches && ent->pp_cis[3] && 394 (cis4str == NULL || 395 strcmp(ent->pp_cis[3], cis4str) != 0)) 396 matches = 0; 397 if (matchfn != NULL) 398 matches = (*matchfn)(dev, ent, matches); 399 if (matches) 400 return (ent); 401 } 402 return (NULL); 403 } 404 405 /* 406 * Initialize a PCCARD function. May be called as long as the function is 407 * disabled. 408 * 409 * Note: pccard_function_init should not keep resources allocated. It should 410 * only set them up ala isa pnp, set the values in the rl lists, and return. 411 * Any resource held after pccard_function_init is called is a bug. However, 412 * the bus routines to get the resources also assume that pccard_function_init 413 * does this, so they need to be fixed too. 414 */ 415 static void 416 pccard_function_init(struct pccard_function *pf) 417 { 418 struct pccard_config_entry *cfe; 419 int i; 420 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 421 struct resource_list *rl = &devi->resources; 422 struct resource_list_entry *rle; 423 struct resource *r = 0; 424 device_t bus; 425 int start; 426 int end; 427 int spaces; 428 429 if (pf->pf_flags & PFF_ENABLED) { 430 printf("pccard_function_init: function is enabled"); 431 return; 432 } 433 bus = device_get_parent(pf->dev); 434 /* Remember which configuration entry we are using. */ 435 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 436 for (i = 0; i < cfe->num_iospace; i++) 437 cfe->iores[i] = NULL; 438 cfe->irqres = NULL; 439 spaces = 0; 440 for (i = 0; i < cfe->num_iospace; i++) { 441 start = cfe->iospace[i].start; 442 if (start) 443 end = start + cfe->iospace[i].length - 1; 444 else 445 end = ~0; 446 cfe->iorid[i] = i; 447 DEVPRINTF((bus, "I/O rid %d start %x end %x\n", 448 i, start, end)); 449 r = cfe->iores[i] = bus_alloc_resource(bus, 450 SYS_RES_IOPORT, &cfe->iorid[i], start, end, 451 cfe->iospace[i].length, 452 rman_make_alignment_flags(cfe->iospace[i].length)); 453 if (cfe->iores[i] == NULL) 454 goto not_this_one; 455 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i], 456 rman_get_start(r), rman_get_end(r), 457 cfe->iospace[i].length); 458 rle = resource_list_find(rl, SYS_RES_IOPORT, 459 cfe->iorid[i]); 460 rle->res = r; 461 spaces++; 462 } 463 if (cfe->num_memspace > 0) { 464 /* 465 * Not implement yet, Fix me. 466 */ 467 DEVPRINTF((bus, "Memory space not yet implemented.\n")); 468 } 469 if (spaces == 0) { 470 DEVPRINTF((bus, "Neither memory nor I/O mapped\n")); 471 goto not_this_one; 472 } 473 if (cfe->irqmask) { 474 cfe->irqrid = 0; 475 r = cfe->irqres = bus_alloc_resource_any(bus, 476 SYS_RES_IRQ, &cfe->irqrid, 0); 477 if (cfe->irqres == NULL) 478 goto not_this_one; 479 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid, 480 rman_get_start(r), rman_get_end(r), 1); 481 rle = resource_list_find(rl, SYS_RES_IRQ, 482 cfe->irqrid); 483 rle->res = r; 484 } 485 /* If we get to here, we've allocated all we need */ 486 pf->cfe = cfe; 487 break; 488 not_this_one:; 489 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 490 cfe->number)); 491 /* 492 * Release resources that we partially allocated 493 * from this config entry. 494 */ 495 for (i = 0; i < cfe->num_iospace; i++) { 496 if (cfe->iores[i] != NULL) { 497 bus_release_resource(bus, SYS_RES_IOPORT, 498 cfe->iorid[i], cfe->iores[i]); 499 rle = resource_list_find(rl, SYS_RES_IOPORT, 500 cfe->iorid[i]); 501 rle->res = NULL; 502 resource_list_delete(rl, SYS_RES_IOPORT, 503 cfe->iorid[i]); 504 } 505 cfe->iores[i] = NULL; 506 } 507 if (cfe->irqmask && cfe->irqres != NULL) { 508 bus_release_resource(bus, SYS_RES_IRQ, 509 cfe->irqrid, cfe->irqres); 510 rle = resource_list_find(rl, SYS_RES_IRQ, 511 cfe->irqrid); 512 rle->res = NULL; 513 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid); 514 cfe->irqres = NULL; 515 } 516 } 517 } 518 519 /* 520 * Free resources allocated by pccard_function_init(), May be called as long 521 * as the function is disabled. 522 * 523 * NOTE: This function should be unnecessary. pccard_function_init should 524 * never keep resources initialized. 525 */ 526 static void 527 pccard_function_free(struct pccard_function *pf) 528 { 529 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 530 struct resource_list_entry *rle; 531 532 if (pf->pf_flags & PFF_ENABLED) { 533 printf("pccard_function_init: function is enabled"); 534 return; 535 } 536 537 SLIST_FOREACH(rle, &devi->resources, link) { 538 if (rle->res) { 539 if (rman_get_device(rle->res) != pf->sc->dev) 540 device_printf(pf->sc->dev, 541 "function_free: Resource still owned by " 542 "child, oops. " 543 "(type=%d, rid=%d, addr=%lx)\n", 544 rle->type, rle->rid, 545 rman_get_start(rle->res)); 546 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 547 pf->sc->dev, rle->type, rle->rid, rle->res); 548 rle->res = NULL; 549 } 550 } 551 resource_list_free(&devi->resources); 552 } 553 554 static void 555 pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr, 556 bus_addr_t offset, bus_size_t size) 557 { 558 bus_size_t iosize, tmp; 559 560 if (addr != 0) { 561 if (pf->pf_mfc_iomax == 0) { 562 pf->pf_mfc_iobase = addr + offset; 563 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 564 } else { 565 /* this makes the assumption that nothing overlaps */ 566 if (pf->pf_mfc_iobase > addr + offset) 567 pf->pf_mfc_iobase = addr + offset; 568 if (pf->pf_mfc_iomax < addr + offset + size) 569 pf->pf_mfc_iomax = addr + offset + size; 570 } 571 } 572 573 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 574 /* round up to nearest (2^n)-1 */ 575 for (iosize = 1; iosize < tmp; iosize <<= 1) 576 ; 577 iosize--; 578 579 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n", 580 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1))); 581 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 582 pf->pf_mfc_iobase & 0xff); 583 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 584 (pf->pf_mfc_iobase >> 8) & 0xff); 585 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 586 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 587 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 588 } 589 590 /* Enable a PCCARD function */ 591 static int 592 pccard_function_enable(struct pccard_function *pf) 593 { 594 struct pccard_function *tmp; 595 int reg; 596 device_t dev = pf->sc->dev; 597 598 if (pf->cfe == NULL) { 599 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 600 return (ENOMEM); 601 } 602 603 /* 604 * Increase the reference count on the socket, enabling power, if 605 * necessary. 606 */ 607 pf->sc->sc_enabled_count++; 608 609 if (pf->pf_flags & PFF_ENABLED) { 610 /* 611 * Don't do anything if we're already enabled. 612 */ 613 return (0); 614 } 615 616 /* 617 * it's possible for different functions' CCRs to be in the same 618 * underlying page. Check for that. 619 */ 620 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 621 if ((tmp->pf_flags & PFF_ENABLED) && 622 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 623 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 624 (tmp->ccr_base - tmp->pf_ccr_offset + 625 tmp->pf_ccr_realsize))) { 626 pf->pf_ccrt = tmp->pf_ccrt; 627 pf->pf_ccrh = tmp->pf_ccrh; 628 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 629 630 /* 631 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 632 * tmp->ccr_base) + pf->ccr_base; 633 */ 634 /* pf->pf_ccr_offset = 635 (tmp->pf_ccr_offset + pf->ccr_base) - 636 tmp->ccr_base; */ 637 pf->pf_ccr_window = tmp->pf_ccr_window; 638 break; 639 } 640 } 641 if (tmp == NULL) { 642 pf->ccr_rid = 0; 643 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 644 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE); 645 if (!pf->ccr_res) 646 goto bad; 647 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n", 648 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 649 pf->ccr_base)); 650 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 651 pf->ccr_rid, PCCARD_A_MEM_ATTR); 652 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 653 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 654 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 655 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 656 pf->pf_ccr_realsize = 1; 657 } 658 659 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 660 reg |= PCCARD_CCR_OPTION_LEVIREQ; 661 if (pccard_mfc(pf->sc)) { 662 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 663 PCCARD_CCR_OPTION_ADDR_DECODE); 664 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 665 } 666 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 667 668 reg = 0; 669 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 670 reg |= PCCARD_CCR_STATUS_IOIS8; 671 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 672 reg |= PCCARD_CCR_STATUS_AUDIO; 673 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 674 675 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 676 677 if (pccard_mfc(pf->sc)) 678 pccard_mfc_adjust_iobase(pf, 0, 0, 0); 679 680 #ifdef PCCARDDEBUG 681 if (pccard_debug) { 682 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 683 device_printf(tmp->sc->dev, 684 "function %d CCR at %d offset %x: " 685 "%x %x %x %x, %x %x %x %x, %x\n", 686 tmp->number, tmp->pf_ccr_window, 687 tmp->pf_ccr_offset, 688 pccard_ccr_read(tmp, 0x00), 689 pccard_ccr_read(tmp, 0x02), 690 pccard_ccr_read(tmp, 0x04), 691 pccard_ccr_read(tmp, 0x06), 692 pccard_ccr_read(tmp, 0x0A), 693 pccard_ccr_read(tmp, 0x0C), 694 pccard_ccr_read(tmp, 0x0E), 695 pccard_ccr_read(tmp, 0x10), 696 pccard_ccr_read(tmp, 0x12)); 697 } 698 } 699 #endif 700 pf->pf_flags |= PFF_ENABLED; 701 return (0); 702 703 bad: 704 /* 705 * Decrement the reference count, and power down the socket, if 706 * necessary. 707 */ 708 pf->sc->sc_enabled_count--; 709 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 710 711 return (1); 712 } 713 714 /* Disable PCCARD function. */ 715 static void 716 pccard_function_disable(struct pccard_function *pf) 717 { 718 struct pccard_function *tmp; 719 device_t dev = pf->sc->dev; 720 721 if (pf->cfe == NULL) 722 panic("pccard_function_disable: function not initialized"); 723 724 if ((pf->pf_flags & PFF_ENABLED) == 0) { 725 /* 726 * Don't do anything if we're already disabled. 727 */ 728 return; 729 } 730 731 if (pf->intr_handler != NULL) { 732 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 733 struct resource_list_entry *rle = 734 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 735 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 736 pf->intr_handler_cookie); 737 } 738 739 /* 740 * it's possible for different functions' CCRs to be in the same 741 * underlying page. Check for that. Note we mark us as disabled 742 * first to avoid matching ourself. 743 */ 744 745 pf->pf_flags &= ~PFF_ENABLED; 746 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 747 if ((tmp->pf_flags & PFF_ENABLED) && 748 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 749 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 750 (tmp->ccr_base - tmp->pf_ccr_offset + 751 tmp->pf_ccr_realsize))) 752 break; 753 } 754 755 /* Not used by anyone else; unmap the CCR. */ 756 if (tmp == NULL) { 757 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 758 pf->ccr_res); 759 pf->ccr_res = NULL; 760 } 761 762 /* 763 * Decrement the reference count, and power down the socket, if 764 * necessary. 765 */ 766 pf->sc->sc_enabled_count--; 767 } 768 769 /* 770 * simulate the old "probe" routine. In the new world order, the driver 771 * needs to grab devices while in the old they were assigned to the device by 772 * the pccardd process. These symbols are exported to the upper layers. 773 */ 774 static int 775 pccard_compat_do_probe(device_t bus, device_t dev) 776 { 777 return (CARD_COMPAT_MATCH(dev)); 778 } 779 780 static int 781 pccard_compat_do_attach(device_t bus, device_t dev) 782 { 783 int err; 784 785 err = CARD_COMPAT_PROBE(dev); 786 if (err <= 0) 787 err = CARD_COMPAT_ATTACH(dev); 788 return (err); 789 } 790 791 #define PCCARD_NPORT 2 792 #define PCCARD_NMEM 5 793 #define PCCARD_NIRQ 1 794 #define PCCARD_NDRQ 0 795 796 static int 797 pccard_add_children(device_t dev, int busno) 798 { 799 /* Call parent to scan for any current children */ 800 return (0); 801 } 802 803 static int 804 pccard_probe(device_t dev) 805 { 806 device_set_desc(dev, "16-bit PCCard bus"); 807 return (pccard_add_children(dev, device_get_unit(dev))); 808 } 809 810 static int 811 pccard_attach(device_t dev) 812 { 813 struct pccard_softc *sc = PCCARD_SOFTC(dev); 814 815 sc->dev = dev; 816 sc->sc_enabled_count = 0; 817 return (bus_generic_attach(dev)); 818 } 819 820 static int 821 pccard_detach(device_t dev) 822 { 823 pccard_detach_card(dev); 824 return 0; 825 } 826 827 static int 828 pccard_suspend(device_t self) 829 { 830 pccard_detach_card(self); 831 return (0); 832 } 833 834 static 835 int 836 pccard_resume(device_t self) 837 { 838 return (0); 839 } 840 841 static void 842 pccard_print_resources(struct resource_list *rl, const char *name, int type, 843 int count, const char *format) 844 { 845 struct resource_list_entry *rle; 846 int printed; 847 int i; 848 849 printed = 0; 850 for (i = 0; i < count; i++) { 851 rle = resource_list_find(rl, type, i); 852 if (rle != NULL) { 853 if (printed == 0) 854 printf(" %s ", name); 855 else if (printed > 0) 856 printf(","); 857 printed++; 858 printf(format, rle->start); 859 if (rle->count > 1) { 860 printf("-"); 861 printf(format, rle->start + rle->count - 1); 862 } 863 } else if (i > 3) { 864 /* check the first few regardless */ 865 break; 866 } 867 } 868 } 869 870 static int 871 pccard_print_child(device_t dev, device_t child) 872 { 873 struct pccard_ivar *devi = PCCARD_IVAR(child); 874 struct resource_list *rl = &devi->resources; 875 int retval = 0; 876 877 retval += bus_print_child_header(dev, child); 878 retval += printf(" at"); 879 880 if (devi != NULL) { 881 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 882 PCCARD_NPORT, "%#lx"); 883 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 884 PCCARD_NMEM, "%#lx"); 885 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 886 "%ld"); 887 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 888 "%ld"); 889 retval += printf(" function %d config %d", devi->fcn->number, 890 devi->fcn->cfe->number); 891 } 892 893 retval += bus_print_child_footer(dev, child); 894 895 return (retval); 896 } 897 898 static int 899 pccard_set_resource(device_t dev, device_t child, int type, int rid, 900 u_long start, u_long count) 901 { 902 struct pccard_ivar *devi = PCCARD_IVAR(child); 903 struct resource_list *rl = &devi->resources; 904 905 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 906 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 907 return (EINVAL); 908 if (rid < 0) 909 return (EINVAL); 910 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 911 return (EINVAL); 912 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 913 return (EINVAL); 914 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 915 return (EINVAL); 916 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 917 return (EINVAL); 918 919 resource_list_add(rl, type, rid, start, start + count - 1, count); 920 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 921 type, &rid, start, start + count - 1, count, 0)) 922 return 0; 923 else 924 return ENOMEM; 925 } 926 927 static int 928 pccard_get_resource(device_t dev, device_t child, int type, int rid, 929 u_long *startp, u_long *countp) 930 { 931 struct pccard_ivar *devi = PCCARD_IVAR(child); 932 struct resource_list *rl = &devi->resources; 933 struct resource_list_entry *rle; 934 935 rle = resource_list_find(rl, type, rid); 936 if (rle == NULL) 937 return (ENOENT); 938 939 if (startp != NULL) 940 *startp = rle->start; 941 if (countp != NULL) 942 *countp = rle->count; 943 944 return (0); 945 } 946 947 static void 948 pccard_delete_resource(device_t dev, device_t child, int type, int rid) 949 { 950 struct pccard_ivar *devi = PCCARD_IVAR(child); 951 struct resource_list *rl = &devi->resources; 952 resource_list_delete(rl, type, rid); 953 } 954 955 static int 956 pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 957 uint32_t flags) 958 { 959 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 960 rid, flags)); 961 } 962 963 static int 964 pccard_set_memory_offset(device_t dev, device_t child, int rid, 965 uint32_t offset, uint32_t *deltap) 966 967 { 968 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 969 offset, deltap)); 970 } 971 972 static void 973 pccard_probe_nomatch(device_t bus, device_t child) 974 { 975 struct pccard_ivar *devi = PCCARD_IVAR(child); 976 struct pccard_function *func = devi->fcn; 977 struct pccard_softc *sc = PCCARD_SOFTC(bus); 978 979 device_printf(bus, "<unknown card>"); 980 printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n", 981 sc->card.manufacturer, sc->card.product, func->number); 982 device_printf(bus, " CIS info: %s, %s, %s\n", sc->card.cis1_info[0], 983 sc->card.cis1_info[1], sc->card.cis1_info[2]); 984 return; 985 } 986 987 static int 988 pccard_child_location_str(device_t bus, device_t child, char *buf, 989 size_t buflen) 990 { 991 struct pccard_ivar *devi = PCCARD_IVAR(child); 992 struct pccard_function *func = devi->fcn; 993 994 snprintf(buf, buflen, "function=%d", func->number); 995 return (0); 996 } 997 998 static int 999 pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf, 1000 size_t buflen) 1001 { 1002 struct pccard_ivar *devi = PCCARD_IVAR(child); 1003 struct pccard_function *func = devi->fcn; 1004 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1005 1006 snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x " 1007 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d", 1008 sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0], 1009 sc->card.cis1_info[1], func->function); 1010 return (0); 1011 } 1012 1013 static int 1014 pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 1015 { 1016 struct pccard_ivar *devi = PCCARD_IVAR(child); 1017 struct pccard_function *func = devi->fcn; 1018 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1019 1020 switch (which) { 1021 default: 1022 case PCCARD_IVAR_ETHADDR: 1023 bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN); 1024 break; 1025 case PCCARD_IVAR_VENDOR: 1026 *(uint32_t *) result = sc->card.manufacturer; 1027 break; 1028 case PCCARD_IVAR_PRODUCT: 1029 *(uint32_t *) result = sc->card.product; 1030 break; 1031 case PCCARD_IVAR_PRODEXT: 1032 *(uint16_t *) result = sc->card.prodext; 1033 break; 1034 case PCCARD_IVAR_FUNCTION: 1035 *(uint32_t *) result = func->function; 1036 break; 1037 case PCCARD_IVAR_FUNCTION_NUMBER: 1038 if (!func) { 1039 device_printf(bus, "No function number, bug!\n"); 1040 return (ENOENT); 1041 } 1042 *(uint32_t *) result = func->number; 1043 break; 1044 case PCCARD_IVAR_VENDOR_STR: 1045 *(char **) result = sc->card.cis1_info[0]; 1046 break; 1047 case PCCARD_IVAR_PRODUCT_STR: 1048 *(char **) result = sc->card.cis1_info[1]; 1049 break; 1050 case PCCARD_IVAR_CIS3_STR: 1051 *(char **) result = sc->card.cis1_info[2]; 1052 break; 1053 case PCCARD_IVAR_CIS4_STR: 1054 *(char **) result = sc->card.cis1_info[3]; 1055 break; 1056 } 1057 return (0); 1058 } 1059 1060 static void 1061 pccard_driver_added(device_t dev, driver_t *driver) 1062 { 1063 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1064 struct pccard_function *pf; 1065 device_t child; 1066 1067 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 1068 if (STAILQ_EMPTY(&pf->cfe_head)) 1069 continue; 1070 child = pf->dev; 1071 if (device_get_state(child) != DS_NOTPRESENT) 1072 continue; 1073 if (pccard_function_enable(pf) == 0 && 1074 device_probe_and_attach(child) == 0) { 1075 DEVPRINTF((sc->dev, "function %d CCR at %d " 1076 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 1077 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 1078 pccard_ccr_read(pf, 0x00), 1079 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 1080 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 1081 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 1082 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 1083 } else { 1084 if (pf->cfe != NULL) 1085 pccard_function_disable(pf); 1086 } 1087 } 1088 return; 1089 } 1090 1091 static struct resource * 1092 pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1093 u_long start, u_long end, u_long count, u_int flags) 1094 { 1095 struct pccard_ivar *dinfo; 1096 struct resource_list_entry *rle = 0; 1097 int passthrough = (device_get_parent(child) != dev); 1098 int isdefault = (start == 0 && end == ~0UL && count == 1); 1099 struct resource *r = NULL; 1100 1101 /* XXX I'm no longer sure this is right */ 1102 if (passthrough) { 1103 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1104 type, rid, start, end, count, flags)); 1105 } 1106 1107 dinfo = device_get_ivars(child); 1108 rle = resource_list_find(&dinfo->resources, type, *rid); 1109 1110 if (rle == NULL && isdefault) 1111 return (NULL); /* no resource of that type/rid */ 1112 if (rle == NULL || rle->res == NULL) { 1113 /* Do we want this device to own it? */ 1114 /* XXX I think so, but that might be lame XXX */ 1115 r = bus_alloc_resource(dev, type, rid, start, end, 1116 count, flags /* XXX aligment? */); 1117 if (r == NULL) 1118 goto bad; 1119 resource_list_add(&dinfo->resources, type, *rid, 1120 rman_get_start(r), rman_get_end(r), count); 1121 rle = resource_list_find(&dinfo->resources, type, *rid); 1122 if (!rle) 1123 goto bad; 1124 rle->res = r; 1125 } 1126 /* 1127 * XXX the following looks wrong, in theory, but likely it is 1128 * XXX needed because of how the CIS code allocates resources 1129 * XXX for this device. 1130 */ 1131 if (rman_get_device(rle->res) != dev) 1132 return (NULL); 1133 bus_release_resource(dev, type, *rid, rle->res); 1134 rle->res = NULL; 1135 switch(type) { 1136 case SYS_RES_IOPORT: 1137 case SYS_RES_MEMORY: 1138 if (!(flags & RF_ALIGNMENT_MASK)) 1139 flags |= rman_make_alignment_flags(rle->count); 1140 break; 1141 case SYS_RES_IRQ: 1142 flags |= RF_SHAREABLE; 1143 break; 1144 } 1145 rle->res = resource_list_alloc(&dinfo->resources, dev, child, 1146 type, rid, rle->start, rle->end, rle->count, flags); 1147 return (rle->res); 1148 bad:; 1149 device_printf(dev, "WARNING: Resource not reserved by pccard\n"); 1150 return (NULL); 1151 } 1152 1153 static int 1154 pccard_release_resource(device_t dev, device_t child, int type, int rid, 1155 struct resource *r) 1156 { 1157 struct pccard_ivar *dinfo; 1158 int passthrough = (device_get_parent(child) != dev); 1159 struct resource_list_entry *rle = 0; 1160 int ret; 1161 int flags; 1162 1163 if (passthrough) 1164 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1165 type, rid, r); 1166 1167 dinfo = device_get_ivars(child); 1168 1169 rle = resource_list_find(&dinfo->resources, type, rid); 1170 1171 if (!rle) { 1172 device_printf(dev, "Allocated resource not found, " 1173 "%d %x %lx %lx\n", 1174 type, rid, rman_get_start(r), rman_get_size(r)); 1175 return ENOENT; 1176 } 1177 if (!rle->res) { 1178 device_printf(dev, "Allocated resource not recorded\n"); 1179 return ENOENT; 1180 } 1181 1182 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1183 type, rid, r); 1184 switch(type) { 1185 case SYS_RES_IOPORT: 1186 case SYS_RES_MEMORY: 1187 flags = rman_make_alignment_flags(rle->count); 1188 break; 1189 case SYS_RES_IRQ: 1190 flags = RF_SHAREABLE; 1191 break; 1192 default: 1193 flags = 0; 1194 } 1195 rle->res = bus_alloc_resource(dev, type, &rid, 1196 rle->start, rle->end, rle->count, flags); 1197 if (rle->res == NULL) 1198 device_printf(dev, "release_resource: " 1199 "unable to reaquire resource\n"); 1200 return ret; 1201 } 1202 1203 static void 1204 pccard_child_detached(device_t parent, device_t dev) 1205 { 1206 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1207 struct pccard_function *pf = ivar->fcn; 1208 1209 pccard_function_disable(pf); 1210 } 1211 1212 static void 1213 pccard_intr(void *arg) 1214 { 1215 struct pccard_function *pf = (struct pccard_function*) arg; 1216 int reg; 1217 int doisr = 1; 1218 1219 /* 1220 * MFC cards know if they interrupted, so we have to ack the 1221 * interrupt and call the ISR. Non-MFC cards don't have these 1222 * bits, so they always get called. Many non-MFC cards have 1223 * this bit set always upon read, but some do not. 1224 * 1225 * We always ack the interrupt, even if there's no ISR 1226 * for the card. This is done on the theory that acking 1227 * the interrupt will pacify the card enough to keep an 1228 * interrupt storm from happening. Of course this won't 1229 * help in the non-MFC case. 1230 * 1231 * This has no impact for MPSAFEness of the client drivers. 1232 * We register this with whatever flags the intr_handler 1233 * was registered with. All these functions are MPSAFE. 1234 */ 1235 if (pccard_mfc(pf->sc)) { 1236 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1237 if (reg & PCCARD_CCR_STATUS_INTR) 1238 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1239 reg & ~PCCARD_CCR_STATUS_INTR); 1240 else 1241 doisr = 0; 1242 } 1243 if (pf->intr_handler != NULL && doisr) 1244 pf->intr_handler(pf->intr_handler_arg); 1245 } 1246 1247 static int 1248 pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1249 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1250 { 1251 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1252 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1253 struct pccard_function *func = ivar->fcn; 1254 int err; 1255 1256 if (func->intr_handler != NULL) 1257 panic("Only one interrupt handler per function allowed"); 1258 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr, 1259 func, cookiep); 1260 if (err != 0) 1261 return (err); 1262 func->intr_handler = intr; 1263 func->intr_handler_arg = arg; 1264 func->intr_handler_cookie = *cookiep; 1265 if (pccard_mfc(sc)) { 1266 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1267 pccard_ccr_read(func, PCCARD_CCR_OPTION) | 1268 PCCARD_CCR_OPTION_IREQ_ENABLE); 1269 } 1270 return (0); 1271 } 1272 1273 static int 1274 pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1275 void *cookie) 1276 { 1277 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1278 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1279 struct pccard_function *func = ivar->fcn; 1280 int ret; 1281 1282 if (pccard_mfc(sc)) { 1283 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1284 pccard_ccr_read(func, PCCARD_CCR_OPTION) & 1285 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1286 } 1287 ret = bus_generic_teardown_intr(dev, child, r, cookie); 1288 if (ret == 0) { 1289 func->intr_handler = NULL; 1290 func->intr_handler_arg = NULL; 1291 func->intr_handler_cookie = NULL; 1292 } 1293 1294 return (ret); 1295 } 1296 1297 static int 1298 pccard_activate_resource(device_t brdev, device_t child, int type, int rid, 1299 struct resource *r) 1300 { 1301 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1302 struct pccard_function *pf = ivar->fcn; 1303 1304 switch(type) { 1305 case SYS_RES_IOPORT: 1306 /* 1307 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC 1308 * card. 1309 */ 1310 if (pccard_mfc(pf->sc)) 1311 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0, 1312 rman_get_size(r)); 1313 break; 1314 default: 1315 break; 1316 } 1317 return (bus_generic_activate_resource(brdev, child, type, rid, r)); 1318 } 1319 1320 static int 1321 pccard_deactivate_resource(device_t brdev, device_t child, int type, 1322 int rid, struct resource *r) 1323 { 1324 /* XXX undo pccard_activate_resource? XXX */ 1325 return (bus_generic_deactivate_resource(brdev, child, type, rid, r)); 1326 } 1327 1328 static device_method_t pccard_methods[] = { 1329 /* Device interface */ 1330 DEVMETHOD(device_probe, pccard_probe), 1331 DEVMETHOD(device_attach, pccard_attach), 1332 DEVMETHOD(device_detach, pccard_detach), 1333 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1334 DEVMETHOD(device_suspend, pccard_suspend), 1335 DEVMETHOD(device_resume, pccard_resume), 1336 1337 /* Bus interface */ 1338 DEVMETHOD(bus_print_child, pccard_print_child), 1339 DEVMETHOD(bus_driver_added, pccard_driver_added), 1340 DEVMETHOD(bus_child_detached, pccard_child_detached), 1341 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1342 DEVMETHOD(bus_release_resource, pccard_release_resource), 1343 DEVMETHOD(bus_activate_resource, pccard_activate_resource), 1344 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource), 1345 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1346 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1347 DEVMETHOD(bus_set_resource, pccard_set_resource), 1348 DEVMETHOD(bus_get_resource, pccard_get_resource), 1349 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1350 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch), 1351 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1352 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str), 1353 DEVMETHOD(bus_child_location_str, pccard_child_location_str), 1354 1355 /* Card Interface */ 1356 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1357 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1358 DEVMETHOD(card_attach_card, pccard_attach_card), 1359 DEVMETHOD(card_detach_card, pccard_detach_card), 1360 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe), 1361 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach), 1362 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup), 1363 1364 { 0, 0 } 1365 }; 1366 1367 static driver_t pccard_driver = { 1368 "pccard", 1369 pccard_methods, 1370 sizeof(struct pccard_softc) 1371 }; 1372 1373 devclass_t pccard_devclass; 1374 1375 /* Maybe we need to have a slot device? */ 1376 DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1377 DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0); 1378 MODULE_VERSION(pccard, 1);
Cache object: 0139a9e6b13baf9ce12a1f0d6d45a739
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