pccard.c revision 113242
1132451Sroberto/* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */ 2132451Sroberto/* $FreeBSD: head/sys/dev/pccard/pccard.c 113242 2003-04-08 07:02:03Z imp $ */ 3132451Sroberto 4132451Sroberto/* 5132451Sroberto * Copyright (c) 1997 Marc Horowitz. All rights reserved. 6132451Sroberto * 7132451Sroberto * Redistribution and use in source and binary forms, with or without 8132451Sroberto * modification, are permitted provided that the following conditions 9132451Sroberto * are met: 10132451Sroberto * 1. Redistributions of source code must retain the above copyright 11132451Sroberto * notice, this list of conditions and the following disclaimer. 12132451Sroberto * 2. Redistributions in binary form must reproduce the above copyright 13132451Sroberto * notice, this list of conditions and the following disclaimer in the 14132451Sroberto * documentation and/or other materials provided with the distribution. 15132451Sroberto * 3. All advertising materials mentioning features or use of this software 16132451Sroberto * must display the following acknowledgement: 17132451Sroberto * This product includes software developed by Marc Horowitz. 18132451Sroberto * 4. The name of the author may not be used to endorse or promote products 19132451Sroberto * derived from this software without specific prior written permission. 20132451Sroberto * 21132451Sroberto * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22132451Sroberto * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23132451Sroberto * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24132451Sroberto * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25132451Sroberto * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26132451Sroberto * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27132451Sroberto * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28132451Sroberto * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29132451Sroberto * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30132451Sroberto * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31132451Sroberto */ 32132451Sroberto 33132451Sroberto#include <sys/param.h> 34132451Sroberto#include <sys/systm.h> 35132451Sroberto#include <sys/malloc.h> 36132451Sroberto#include <sys/module.h> 37132451Sroberto#include <sys/kernel.h> 38132451Sroberto#include <sys/queue.h> 39132451Sroberto#include <sys/sysctl.h> 40132451Sroberto#include <sys/types.h> 41132451Sroberto 42132451Sroberto#include <sys/bus.h> 43132451Sroberto#include <machine/bus.h> 44132451Sroberto#include <sys/rman.h> 45132451Sroberto#include <machine/resource.h> 46132451Sroberto 47132451Sroberto#include <net/ethernet.h> 48132451Sroberto 49132451Sroberto#include <dev/pccard/pccardreg.h> 50132451Sroberto#include <dev/pccard/pccardvar.h> 51132451Sroberto 52132451Sroberto#include "power_if.h" 53132451Sroberto#include "card_if.h" 54132451Sroberto 55132451Sroberto#define PCCARDDEBUG 56132451Sroberto 57132451Sroberto/* sysctl vars */ 58132451SrobertoSYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters"); 59132451Sroberto 60132451Srobertoint pccard_debug = 0; 61132451SrobertoTUNABLE_INT("hw.pccard.debug", &pccard_debug); 62132451SrobertoSYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW, 63132451Sroberto &pccard_debug, 0, 64132451Sroberto "pccard debug"); 65132451Sroberto 66132451Srobertoint pccard_cis_debug = 0; 67132451SrobertoTUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug); 68132451SrobertoSYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW, 69132451Sroberto &pccard_cis_debug, 0, "pccard CIS debug"); 70132451Sroberto 71132451Sroberto#ifdef PCCARDDEBUG 72132451Sroberto#define DPRINTF(arg) if (pccard_debug) printf arg 73132451Sroberto#define DEVPRINTF(arg) if (pccard_debug) device_printf arg 74132451Sroberto#define PRVERBOSE(arg) printf arg 75132451Sroberto#define DEVPRVERBOSE(arg) device_printf arg 76132451Sroberto#else 77132451Sroberto#define DPRINTF(arg) 78132451Sroberto#define DEVPRINTF(arg) 79132451Sroberto#define PRVERBOSE(arg) if (bootverbose) printf arg 80132451Sroberto#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg 81132451Sroberto#endif 82132451Sroberto 83132451Srobertostatic int pccard_ccr_read(struct pccard_function *pf, int ccr); 84132451Srobertostatic void pccard_ccr_write(struct pccard_function *pf, int ccr, int val); 85132451Srobertostatic int pccard_attach_card(device_t dev); 86132451Srobertostatic int pccard_detach_card(device_t dev); 87132451Srobertostatic int pccard_card_gettype(device_t dev, int *type); 88132451Srobertostatic void pccard_function_init(struct pccard_function *pf); 89132451Srobertostatic void pccard_function_free(struct pccard_function *pf); 90132451Srobertostatic int pccard_function_enable(struct pccard_function *pf); 91132451Srobertostatic void pccard_function_disable(struct pccard_function *pf); 92132451Srobertostatic int pccard_compat_do_probe(device_t bus, device_t dev); 93132451Srobertostatic int pccard_compat_do_attach(device_t bus, device_t dev); 94132451Srobertostatic int pccard_add_children(device_t dev, int busno); 95132451Srobertostatic int pccard_probe(device_t dev); 96132451Srobertostatic int pccard_attach(device_t dev); 97280849Scystatic int pccard_detach(device_t dev); 98280849Scystatic void pccard_print_resources(struct resource_list *rl, 99132451Sroberto const char *name, int type, int count, const char *format); 100132451Srobertostatic int pccard_print_child(device_t dev, device_t child); 101132451Srobertostatic int pccard_set_resource(device_t dev, device_t child, int type, 102132451Sroberto int rid, u_long start, u_long count); 103132451Srobertostatic int pccard_get_resource(device_t dev, device_t child, int type, 104132451Sroberto int rid, u_long *startp, u_long *countp); 105132451Srobertostatic void pccard_delete_resource(device_t dev, device_t child, int type, 106132451Sroberto int rid); 107132451Srobertostatic int pccard_set_res_flags(device_t dev, device_t child, int type, 108132451Sroberto int rid, u_int32_t flags); 109132451Srobertostatic int pccard_set_memory_offset(device_t dev, device_t child, int rid, 110132451Sroberto u_int32_t offset, u_int32_t *deltap); 111132451Srobertostatic void pccard_probe_nomatch(device_t cbdev, device_t child); 112132451Srobertostatic int pccard_read_ivar(device_t bus, device_t child, int which, 113132451Sroberto u_char *result); 114132451Srobertostatic void pccard_driver_added(device_t dev, driver_t *driver); 115132451Srobertostatic struct resource *pccard_alloc_resource(device_t dev, 116132451Sroberto device_t child, int type, int *rid, u_long start, 117132451Sroberto u_long end, u_long count, u_int flags); 118132451Srobertostatic int pccard_release_resource(device_t dev, device_t child, int type, 119132451Sroberto int rid, struct resource *r); 120132451Srobertostatic void pccard_child_detached(device_t parent, device_t dev); 121132451Srobertostatic void pccard_intr(void *arg); 122132451Srobertostatic int pccard_setup_intr(device_t dev, device_t child, 123132451Sroberto struct resource *irq, int flags, driver_intr_t *intr, 124132451Sroberto void *arg, void **cookiep); 125132451Srobertostatic int pccard_teardown_intr(device_t dev, device_t child, 126132451Sroberto struct resource *r, void *cookie); 127132451Sroberto 128132451Srobertostatic const struct pccard_product * 129132451Srobertopccard_do_product_lookup(device_t bus, device_t dev, 130132451Sroberto const struct pccard_product *tab, size_t ent_size, 131132451Sroberto pccard_product_match_fn matchfn); 132132451Sroberto 133132451Sroberto 134132451Srobertostatic int 135132451Srobertopccard_ccr_read(struct pccard_function *pf, int ccr) 136132451Sroberto{ 137132451Sroberto return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 138132451Sroberto pf->pf_ccr_offset + ccr)); 139132451Sroberto} 140132451Sroberto 141132451Srobertostatic void 142132451Srobertopccard_ccr_write(struct pccard_function *pf, int ccr, int val) 143132451Sroberto{ 144132451Sroberto if ((pf->ccr_mask) & (1 << (ccr / 2))) { 145132451Sroberto bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 146132451Sroberto pf->pf_ccr_offset + ccr, val); 147132451Sroberto } 148132451Sroberto} 149132451Sroberto 150132451Srobertostatic int 151132451Srobertopccard_set_default_descr(device_t dev) 152132451Sroberto{ 153132451Sroberto char *vendorstr, *prodstr, *str; 154132451Sroberto 155 if (pccard_get_vendor_str(dev, &vendorstr)) 156 return (0); 157 if (pccard_get_product_str(dev, &prodstr)) 158 return (0); 159 str = malloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF, 160 M_WAITOK); 161 sprintf(str, "%s %s", vendorstr, prodstr); 162 device_set_desc_copy(dev, str); 163 free(str, M_DEVBUF); 164 return (0); 165} 166 167static int 168pccard_attach_card(device_t dev) 169{ 170 struct pccard_softc *sc = PCCARD_SOFTC(dev); 171 struct pccard_function *pf; 172 struct pccard_ivar *ivar; 173 device_t child; 174 int i; 175 176 /* 177 * this is here so that when socket_enable calls gettype, trt happens 178 */ 179 STAILQ_INIT(&sc->card.pf_head); 180 181 DEVPRINTF((dev, "chip_socket_enable\n")); 182 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 183 184 DEVPRINTF((dev, "read_cis\n")); 185 pccard_read_cis(sc); 186 187 DEVPRINTF((dev, "check_cis_quirks\n")); 188 pccard_check_cis_quirks(dev); 189 190 /* 191 * bail now if the card has no functions, or if there was an error in 192 * the cis. 193 */ 194 195 if (sc->card.error) { 196 device_printf(dev, "CARD ERROR!\n"); 197 return (1); 198 } 199 if (STAILQ_EMPTY(&sc->card.pf_head)) { 200 device_printf(dev, "Card has no functions!\n"); 201 return (1); 202 } 203 204 if (bootverbose || pccard_debug) 205 pccard_print_cis(dev); 206 207 DEVPRINTF((dev, "functions scanning\n")); 208 i = -1; 209 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 210 i++; 211 if (STAILQ_EMPTY(&pf->cfe_head)) { 212 device_printf(dev, 213 "Function %d has no config entries.!\n", i); 214 continue; 215 } 216 pf->sc = sc; 217 pf->cfe = NULL; 218 pf->dev = NULL; 219 } 220 DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1, 221 pccard_mfc(sc))); 222 223 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 224 if (STAILQ_EMPTY(&pf->cfe_head)) 225 continue; 226 /* 227 * In NetBSD, the drivers are responsible for activating 228 * each function of a card. I think that in FreeBSD we 229 * want to activate them enough for the usual bus_*_resource 230 * routines will do the right thing. This many mean a 231 * departure from the current NetBSD model. 232 * 233 * This seems to work well in practice for most cards. 234 * However, there are two cases that are problematic. 235 * If a driver wishes to pick and chose which config 236 * entry to use, then this method falls down. These 237 * are usually older cards. In addition, there are 238 * some cards that have multiple hardware units on the 239 * cards, but presents only one CIS chain. These cards 240 * are combination cards, but only one of these units 241 * can be on at a time. 242 */ 243 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, 244 M_WAITOK | M_ZERO); 245 child = device_add_child(dev, NULL, -1); 246 device_set_ivars(child, ivar); 247 ivar->fcn = pf; 248 pf->dev = child; 249 /* 250 * XXX We might want to move the next two lines into 251 * XXX the pccard interface layer. For the moment, this 252 * XXX is OK, but some drivers want to pick the config 253 * XXX entry to use as well as some address tweaks (mostly 254 * XXX due to bugs in decode logic that makes some 255 * XXX addresses illegal or broken). 256 */ 257 pccard_function_init(pf); 258 if (sc->sc_enabled_count == 0) 259 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 260 if (pccard_function_enable(pf) == 0 && 261 pccard_set_default_descr(child) == 0 && 262 device_probe_and_attach(child) == 0) { 263 DEVPRINTF((sc->dev, "function %d CCR at %d " 264 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 265 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 266 pccard_ccr_read(pf, 0x00), 267 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 268 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 269 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 270 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 271 } else { 272 if (pf->cfe != NULL) 273 pccard_function_disable(pf); 274 } 275 } 276 return (0); 277} 278 279static int 280pccard_detach_card(device_t dev) 281{ 282 struct pccard_softc *sc = PCCARD_SOFTC(dev); 283 struct pccard_function *pf; 284 struct pccard_config_entry *cfe; 285 286 /* 287 * We are running on either the PCCARD socket's event thread 288 * or in user context detaching a device by user request. 289 */ 290 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 291 int state = device_get_state(pf->dev); 292 293 if (state == DS_ATTACHED || state == DS_BUSY) 294 device_detach(pf->dev); 295 if (pf->cfe != NULL) 296 pccard_function_disable(pf); 297 pccard_function_free(pf); 298 device_delete_child(dev, pf->dev); 299 } 300 if (sc->sc_enabled_count == 0) 301 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 302 303 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) { 304 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) { 305 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list); 306 free(cfe, M_DEVBUF); 307 } 308 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list); 309 free(pf, M_DEVBUF); 310 } 311 return (0); 312} 313 314static const struct pccard_product * 315pccard_do_product_lookup(device_t bus, device_t dev, 316 const struct pccard_product *tab, size_t ent_size, 317 pccard_product_match_fn matchfn) 318{ 319 const struct pccard_product *ent; 320 int matches; 321 u_int32_t fcn; 322 u_int32_t vendor; 323 u_int32_t prod; 324 char *vendorstr; 325 char *prodstr; 326 327#ifdef DIAGNOSTIC 328 if (sizeof *ent > ent_size) 329 panic("pccard_product_lookup: bogus ent_size %jd", 330 (intmax_t) ent_size); 331#endif 332 if (pccard_get_vendor(dev, &vendor)) 333 return (NULL); 334 if (pccard_get_product(dev, &prod)) 335 return (NULL); 336 if (pccard_get_function_number(dev, &fcn)) 337 return (NULL); 338 if (pccard_get_vendor_str(dev, &vendorstr)) 339 return (NULL); 340 if (pccard_get_product_str(dev, &prodstr)) 341 return (NULL); 342 for (ent = tab; ent->pp_name != NULL; ent = 343 (const struct pccard_product *) ((const char *) ent + ent_size)) { 344 matches = 1; 345 if (ent->pp_vendor == PCCARD_VENDOR_ANY && 346 ent->pp_product == PCCARD_PRODUCT_ANY && 347 ent->pp_cis[0] == NULL && 348 ent->pp_cis[1] == NULL) { 349 device_printf(dev, 350 "Total wildcard entry ignored for %s\n", 351 ent->pp_name); 352 continue; 353 } 354 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 355 vendor != ent->pp_vendor) 356 matches = 0; 357 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 358 prod != ent->pp_product) 359 matches = 0; 360 if (matches && fcn != ent->pp_expfunc) 361 matches = 0; 362 if (matches && ent->pp_cis[0] && 363 strcmp(ent->pp_cis[0], vendorstr) != 0) 364 matches = 0; 365 if (matches && ent->pp_cis[1] && 366 strcmp(ent->pp_cis[1], prodstr) != 0) 367 matches = 0; 368 /* XXX need to match cis[2] and cis[3] also XXX */ 369 if (matchfn != NULL) 370 matches = (*matchfn)(dev, ent, matches); 371 if (matches) 372 return (ent); 373 } 374 return (NULL); 375} 376 377static int 378pccard_card_gettype(device_t dev, int *type) 379{ 380 struct pccard_softc *sc = PCCARD_SOFTC(dev); 381 struct pccard_function *pf; 382 383 /* 384 * set the iftype to memory if this card has no functions (not yet 385 * probed), or only one function, and that is not initialized yet or 386 * that is memory. 387 */ 388 pf = STAILQ_FIRST(&sc->card.pf_head); 389 if (pf == NULL || 390 (STAILQ_NEXT(pf, pf_list) == NULL && 391 (pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY))) 392 *type = PCCARD_IFTYPE_MEMORY; 393 else 394 *type = PCCARD_IFTYPE_IO; 395 return (0); 396} 397 398/* 399 * Initialize a PCCARD function. May be called as long as the function is 400 * disabled. 401 * 402 * Note: pccard_function_init should not keep resources allocated. It should 403 * only set them up ala isa pnp, set the values in the rl lists, and return. 404 * Any resource held after pccard_function_init is called is a bug. However, 405 * the bus routines to get the resources also assume that pccard_function_init 406 * does this, so they need to be fixed too. 407 */ 408static void 409pccard_function_init(struct pccard_function *pf) 410{ 411 struct pccard_config_entry *cfe; 412 int i; 413 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 414 struct resource_list *rl = &devi->resources; 415 struct resource_list_entry *rle; 416 struct resource *r = 0; 417 device_t bus; 418 int start; 419 int end; 420 int spaces; 421 422 if (pf->pf_flags & PFF_ENABLED) { 423 printf("pccard_function_init: function is enabled"); 424 return; 425 } 426 bus = device_get_parent(pf->dev); 427 /* Remember which configuration entry we are using. */ 428 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 429 for (i = 0; i < cfe->num_iospace; i++) 430 cfe->iores[i] = NULL; 431 cfe->irqres = NULL; 432 spaces = 0; 433 for (i = 0; i < cfe->num_iospace; i++) { 434 start = cfe->iospace[i].start; 435 if (start) 436 end = start + cfe->iospace[i].length - 1; 437 else 438 end = ~0; 439 cfe->iorid[i] = i; 440 DEVPRINTF((bus, "I/O rid %d start %x end %x\n", 441 i, start, end)); 442 r = cfe->iores[i] = bus_alloc_resource(bus, 443 SYS_RES_IOPORT, &cfe->iorid[i], start, end, 444 cfe->iospace[i].length, 445 rman_make_alignment_flags(cfe->iospace[i].length)); 446 if (cfe->iores[i] == NULL) 447 goto not_this_one; 448 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i], 449 rman_get_start(r), rman_get_end(r), 450 cfe->iospace[i].length); 451 rle = resource_list_find(rl, SYS_RES_IOPORT, 452 cfe->iorid[i]); 453 rle->res = r; 454 spaces++; 455 } 456 if (cfe->num_memspace > 0) { 457 /* 458 * Not implement yet, Fix me. 459 */ 460 DEVPRINTF((bus, "Memory space not yet implemented.\n")); 461 } 462 if (spaces == 0) { 463 DEVPRINTF((bus, "Neither memory nor I/O mampped\n")); 464 goto not_this_one; 465 } 466 if (cfe->irqmask) { 467 cfe->irqrid = 0; 468 r = cfe->irqres = bus_alloc_resource(bus, SYS_RES_IRQ, 469 &cfe->irqrid, 0, ~0, 1, 0); 470 if (cfe->irqres == NULL) 471 goto not_this_one; 472 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid, 473 rman_get_start(r), rman_get_end(r), 1); 474 rle = resource_list_find(rl, SYS_RES_IRQ, 475 cfe->irqrid); 476 rle->res = r; 477 } 478 /* If we get to here, we've allocated all we need */ 479 pf->cfe = cfe; 480 break; 481 not_this_one:; 482 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 483 cfe->number)); 484 /* 485 * Release resources that we partially allocated 486 * from this config entry. 487 */ 488 for (i = 0; i < cfe->num_iospace; i++) { 489 if (cfe->iores[i] != NULL) { 490 bus_release_resource(bus, SYS_RES_IOPORT, 491 cfe->iorid[i], cfe->iores[i]); 492 rle = resource_list_find(rl, SYS_RES_IOPORT, 493 cfe->iorid[i]); 494 rle->res = NULL; 495 resource_list_delete(rl, SYS_RES_IOPORT, 496 cfe->iorid[i]); 497 } 498 cfe->iores[i] = NULL; 499 } 500 if (cfe->irqmask && cfe->irqres != NULL) { 501 bus_release_resource(bus, SYS_RES_IRQ, 502 cfe->irqrid, cfe->irqres); 503 rle = resource_list_find(rl, SYS_RES_IRQ, 504 cfe->irqrid); 505 rle->res = NULL; 506 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid); 507 cfe->irqres = NULL; 508 } 509 } 510} 511 512/* 513 * Free resources allocated by pccard_function_init(), May be called as long 514 * as the function is disabled. 515 * 516 * NOTE: This function should be unnecessary. pccard_function_init should 517 * never keep resources initialized. 518 */ 519static void 520pccard_function_free(struct pccard_function *pf) 521{ 522 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 523 struct resource_list_entry *rle; 524 525 if (pf->pf_flags & PFF_ENABLED) { 526 printf("pccard_function_init: function is enabled"); 527 return; 528 } 529 530 SLIST_FOREACH(rle, &devi->resources, link) { 531 if (rle->res) { 532 if (rman_get_device(rle->res) != pf->sc->dev) 533 device_printf(pf->sc->dev, 534 "function_free: Resource still owned by " 535 "child, oops. " 536 "(type=%d, rid=%d, addr=%lx)\n", 537 rle->type, rle->rid, 538 rman_get_start(rle->res)); 539 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 540 pf->sc->dev, rle->type, rle->rid, rle->res); 541 rle->res = NULL; 542 } 543 } 544 resource_list_free(&devi->resources); 545} 546 547/* Enable a PCCARD function */ 548static int 549pccard_function_enable(struct pccard_function *pf) 550{ 551 struct pccard_function *tmp; 552 int reg; 553 device_t dev = pf->sc->dev; 554 555 if (pf->cfe == NULL) { 556 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 557 return (ENOMEM); 558 } 559 560 /* 561 * Increase the reference count on the socket, enabling power, if 562 * necessary. 563 */ 564 pf->sc->sc_enabled_count++; 565 566 if (pf->pf_flags & PFF_ENABLED) { 567 /* 568 * Don't do anything if we're already enabled. 569 */ 570 return (0); 571 } 572 573 /* 574 * it's possible for different functions' CCRs to be in the same 575 * underlying page. Check for that. 576 */ 577 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 578 if ((tmp->pf_flags & PFF_ENABLED) && 579 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 580 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 581 (tmp->ccr_base - tmp->pf_ccr_offset + 582 tmp->pf_ccr_realsize))) { 583 pf->pf_ccrt = tmp->pf_ccrt; 584 pf->pf_ccrh = tmp->pf_ccrh; 585 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 586 587 /* 588 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 589 * tmp->ccr_base) + pf->ccr_base; 590 */ 591 /* pf->pf_ccr_offset = 592 (tmp->pf_ccr_offset + pf->ccr_base) - 593 tmp->ccr_base; */ 594 pf->pf_ccr_window = tmp->pf_ccr_window; 595 break; 596 } 597 } 598 if (tmp == NULL) { 599 pf->ccr_rid = 0; 600 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 601 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE); 602 if (!pf->ccr_res) 603 goto bad; 604 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n", 605 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 606 pf->ccr_base)); 607 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 608 pf->ccr_rid, PCCARD_A_MEM_ATTR); 609 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 610 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 611 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 612 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 613 pf->pf_ccr_realsize = 1; 614 } 615 616 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 617 reg |= PCCARD_CCR_OPTION_LEVIREQ; 618 if (pccard_mfc(pf->sc)) { 619 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 620 PCCARD_CCR_OPTION_ADDR_DECODE); 621 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 622 } 623 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 624 625 reg = 0; 626 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 627 reg |= PCCARD_CCR_STATUS_IOIS8; 628 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 629 reg |= PCCARD_CCR_STATUS_AUDIO; 630 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 631 632 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 633 634 if (pccard_mfc(pf->sc)) { 635 long tmp, iosize; 636 637 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 638 /* round up to nearest (2^n)-1 */ 639 for (iosize = 1; iosize < tmp; iosize <<= 1) 640 ; 641 iosize--; 642 643 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 644 pf->pf_mfc_iobase & 0xff); 645 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 646 (pf->pf_mfc_iobase >> 8) & 0xff); 647 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 648 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 649 650 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 651 } 652 653#ifdef PCCARDDEBUG 654 if (pccard_debug) { 655 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 656 device_printf(tmp->sc->dev, 657 "function %d CCR at %d offset %x: " 658 "%x %x %x %x, %x %x %x %x, %x\n", 659 tmp->number, tmp->pf_ccr_window, 660 tmp->pf_ccr_offset, 661 pccard_ccr_read(tmp, 0x00), 662 pccard_ccr_read(tmp, 0x02), 663 pccard_ccr_read(tmp, 0x04), 664 pccard_ccr_read(tmp, 0x06), 665 pccard_ccr_read(tmp, 0x0A), 666 pccard_ccr_read(tmp, 0x0C), 667 pccard_ccr_read(tmp, 0x0E), 668 pccard_ccr_read(tmp, 0x10), 669 pccard_ccr_read(tmp, 0x12)); 670 } 671 } 672#endif 673 pf->pf_flags |= PFF_ENABLED; 674 return (0); 675 676 bad: 677 /* 678 * Decrement the reference count, and power down the socket, if 679 * necessary. 680 */ 681 pf->sc->sc_enabled_count--; 682 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 683 684 return (1); 685} 686 687/* Disable PCCARD function. */ 688static void 689pccard_function_disable(struct pccard_function *pf) 690{ 691 struct pccard_function *tmp; 692 device_t dev = pf->sc->dev; 693 694 if (pf->cfe == NULL) 695 panic("pccard_function_disable: function not initialized"); 696 697 if ((pf->pf_flags & PFF_ENABLED) == 0) { 698 /* 699 * Don't do anything if we're already disabled. 700 */ 701 return; 702 } 703 704 if (pf->intr_handler != NULL) { 705 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 706 struct resource_list_entry *rle = 707 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 708 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 709 pf->intr_handler_cookie); 710 } 711 712 /* 713 * it's possible for different functions' CCRs to be in the same 714 * underlying page. Check for that. Note we mark us as disabled 715 * first to avoid matching ourself. 716 */ 717 718 pf->pf_flags &= ~PFF_ENABLED; 719 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 720 if ((tmp->pf_flags & PFF_ENABLED) && 721 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 722 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 723 (tmp->ccr_base - tmp->pf_ccr_offset + 724 tmp->pf_ccr_realsize))) 725 break; 726 } 727 728 /* Not used by anyone else; unmap the CCR. */ 729 if (tmp == NULL) { 730 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 731 pf->ccr_res); 732 pf->ccr_res = NULL; 733 } 734 735 /* 736 * Decrement the reference count, and power down the socket, if 737 * necessary. 738 */ 739 pf->sc->sc_enabled_count--; 740} 741 742/* 743 * simulate the old "probe" routine. In the new world order, the driver 744 * needs to grab devices while in the old they were assigned to the device by 745 * the pccardd process. These symbols are exported to the upper layers. 746 */ 747static int 748pccard_compat_do_probe(device_t bus, device_t dev) 749{ 750 return (CARD_COMPAT_MATCH(dev)); 751} 752 753static int 754pccard_compat_do_attach(device_t bus, device_t dev) 755{ 756 int err; 757 758 err = CARD_COMPAT_PROBE(dev); 759 if (err == 0) 760 err = CARD_COMPAT_ATTACH(dev); 761 return (err); 762} 763 764#define PCCARD_NPORT 2 765#define PCCARD_NMEM 5 766#define PCCARD_NIRQ 1 767#define PCCARD_NDRQ 0 768 769static int 770pccard_add_children(device_t dev, int busno) 771{ 772 /* Call parent to scan for any current children */ 773 return (0); 774} 775 776static int 777pccard_probe(device_t dev) 778{ 779 device_set_desc(dev, "16-bit PCCard bus"); 780 return (pccard_add_children(dev, device_get_unit(dev))); 781} 782 783static int 784pccard_attach(device_t dev) 785{ 786 struct pccard_softc *sc = PCCARD_SOFTC(dev); 787 788 sc->dev = dev; 789 sc->sc_enabled_count = 0; 790 return (bus_generic_attach(dev)); 791} 792 793static int 794pccard_detach(device_t dev) 795{ 796 pccard_detach_card(dev); 797 return 0; 798} 799 800static int 801pccard_suspend(device_t self) 802{ 803 pccard_detach_card(self); 804 return (0); 805} 806 807static 808int 809pccard_resume(device_t self) 810{ 811 return (0); 812} 813 814static void 815pccard_print_resources(struct resource_list *rl, const char *name, int type, 816 int count, const char *format) 817{ 818 struct resource_list_entry *rle; 819 int printed; 820 int i; 821 822 printed = 0; 823 for (i = 0; i < count; i++) { 824 rle = resource_list_find(rl, type, i); 825 if (rle != NULL) { 826 if (printed == 0) 827 printf(" %s ", name); 828 else if (printed > 0) 829 printf(","); 830 printed++; 831 printf(format, rle->start); 832 if (rle->count > 1) { 833 printf("-"); 834 printf(format, rle->start + rle->count - 1); 835 } 836 } else if (i > 3) { 837 /* check the first few regardless */ 838 break; 839 } 840 } 841} 842 843static int 844pccard_print_child(device_t dev, device_t child) 845{ 846 struct pccard_ivar *devi = PCCARD_IVAR(child); 847 struct resource_list *rl = &devi->resources; 848 int retval = 0; 849 850 retval += bus_print_child_header(dev, child); 851 retval += printf(" at"); 852 853 if (devi != NULL) { 854 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 855 PCCARD_NPORT, "%#lx"); 856 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 857 PCCARD_NMEM, "%#lx"); 858 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 859 "%ld"); 860 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 861 "%ld"); 862 retval += printf(" function %d config %d", devi->fcn->number, 863 devi->fcn->cfe->number); 864 } 865 866 retval += bus_print_child_footer(dev, child); 867 868 return (retval); 869} 870 871static int 872pccard_set_resource(device_t dev, device_t child, int type, int rid, 873 u_long start, u_long count) 874{ 875 struct pccard_ivar *devi = PCCARD_IVAR(child); 876 struct resource_list *rl = &devi->resources; 877 878 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 879 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 880 return (EINVAL); 881 if (rid < 0) 882 return (EINVAL); 883 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 884 return (EINVAL); 885 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 886 return (EINVAL); 887 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 888 return (EINVAL); 889 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 890 return (EINVAL); 891 892 resource_list_add(rl, type, rid, start, start + count - 1, count); 893 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 894 type, &rid, start, start + count - 1, count, 0)) 895 return 0; 896 else 897 return ENOMEM; 898} 899 900static int 901pccard_get_resource(device_t dev, device_t child, int type, int rid, 902 u_long *startp, u_long *countp) 903{ 904 struct pccard_ivar *devi = PCCARD_IVAR(child); 905 struct resource_list *rl = &devi->resources; 906 struct resource_list_entry *rle; 907 908 rle = resource_list_find(rl, type, rid); 909 if (rle == NULL) 910 return (ENOENT); 911 912 if (startp != NULL) 913 *startp = rle->start; 914 if (countp != NULL) 915 *countp = rle->count; 916 917 return (0); 918} 919 920static void 921pccard_delete_resource(device_t dev, device_t child, int type, int rid) 922{ 923 struct pccard_ivar *devi = PCCARD_IVAR(child); 924 struct resource_list *rl = &devi->resources; 925 resource_list_delete(rl, type, rid); 926} 927 928static int 929pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 930 u_int32_t flags) 931{ 932 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 933 rid, flags)); 934} 935 936static int 937pccard_set_memory_offset(device_t dev, device_t child, int rid, 938 u_int32_t offset, u_int32_t *deltap) 939 940{ 941 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 942 offset, deltap)); 943} 944 945static void 946pccard_probe_nomatch(device_t bus, device_t child) 947{ 948 struct pccard_ivar *devi = PCCARD_IVAR(child); 949 struct pccard_function *func = devi->fcn; 950 struct pccard_softc *sc = PCCARD_SOFTC(bus); 951 952 device_printf(bus, "<unknown card>"); 953 printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n", 954 sc->card.manufacturer, sc->card.product, func->number); 955 device_printf(bus, " CIS info: %s, %s, %s\n", sc->card.cis1_info[0], 956 sc->card.cis1_info[1], sc->card.cis1_info[2]); 957 return; 958} 959 960static int 961pccard_child_location_str(device_t bus, device_t child, char *buf, 962 size_t buflen) 963{ 964 struct pccard_ivar *devi = PCCARD_IVAR(child); 965 struct pccard_function *func = devi->fcn; 966 967 snprintf(buf, buflen, "function=%d", func->number); 968 return (0); 969} 970 971static int 972pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf, 973 size_t buflen) 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 snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x " 980 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d", 981 sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0], 982 sc->card.cis1_info[1], func->function); 983 return (0); 984} 985 986static int 987pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 988{ 989 struct pccard_ivar *devi = PCCARD_IVAR(child); 990 struct pccard_function *func = devi->fcn; 991 struct pccard_softc *sc = PCCARD_SOFTC(bus); 992 993 switch (which) { 994 default: 995 case PCCARD_IVAR_ETHADDR: 996 bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN); 997 break; 998 case PCCARD_IVAR_VENDOR: 999 *(u_int32_t *) result = sc->card.manufacturer; 1000 break; 1001 case PCCARD_IVAR_PRODUCT: 1002 *(u_int32_t *) result = sc->card.product; 1003 break; 1004 case PCCARD_IVAR_PRODEXT: 1005 *(u_int16_t *) result = sc->card.prodext; 1006 break; 1007 case PCCARD_IVAR_FUNCTION: 1008 *(u_int32_t *) result = func->function; 1009 break; 1010 case PCCARD_IVAR_FUNCTION_NUMBER: 1011 if (!func) { 1012 device_printf(bus, "No function number, bug!\n"); 1013 return (ENOENT); 1014 } 1015 *(u_int32_t *) result = func->number; 1016 break; 1017 case PCCARD_IVAR_VENDOR_STR: 1018 *(char **) result = sc->card.cis1_info[0]; 1019 break; 1020 case PCCARD_IVAR_PRODUCT_STR: 1021 *(char **) result = sc->card.cis1_info[1]; 1022 break; 1023 case PCCARD_IVAR_CIS3_STR: 1024 *(char **) result = sc->card.cis1_info[2]; 1025 break; 1026 case PCCARD_IVAR_CIS4_STR: 1027 *(char **) result = sc->card.cis1_info[3]; 1028 break; 1029 } 1030 return (0); 1031} 1032 1033static void 1034pccard_driver_added(device_t dev, driver_t *driver) 1035{ 1036 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1037 struct pccard_function *pf; 1038 device_t child; 1039 1040 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 1041 if (STAILQ_EMPTY(&pf->cfe_head)) 1042 continue; 1043 child = pf->dev; 1044 if (device_get_state(child) != DS_NOTPRESENT) 1045 continue; 1046 if (pccard_function_enable(pf) == 0 && 1047 device_probe_and_attach(child) == 0) { 1048 DEVPRINTF((sc->dev, "function %d CCR at %d " 1049 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 1050 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 1051 pccard_ccr_read(pf, 0x00), 1052 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 1053 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 1054 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 1055 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 1056 } else { 1057 if (pf->cfe != NULL) 1058 pccard_function_disable(pf); 1059 } 1060 } 1061 return; 1062} 1063 1064static struct resource * 1065pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1066 u_long start, u_long end, u_long count, u_int flags) 1067{ 1068 struct pccard_ivar *dinfo; 1069 struct resource_list_entry *rle = 0; 1070 int passthrough = (device_get_parent(child) != dev); 1071 struct resource *r = NULL; 1072 1073 if (passthrough) { 1074 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1075 type, rid, start, end, count, flags)); 1076 } 1077 1078 dinfo = device_get_ivars(child); 1079 rle = resource_list_find(&dinfo->resources, type, *rid); 1080 1081 if (rle == NULL) 1082 return (NULL); /* no resource of that type/rid */ 1083 1084 if (rle->res == NULL) { 1085 switch(type) { 1086 case SYS_RES_IOPORT: 1087 r = bus_alloc_resource(dev, type, rid, start, end, 1088 count, rman_make_alignment_flags(count)); 1089 if (r == NULL) 1090 goto bad; 1091 resource_list_add(&dinfo->resources, type, *rid, 1092 rman_get_start(r), rman_get_end(r), count); 1093 rle = resource_list_find(&dinfo->resources, type, *rid); 1094 if (!rle) 1095 goto bad; 1096 rle->res = r; 1097 break; 1098 case SYS_RES_MEMORY: 1099 break; 1100 case SYS_RES_IRQ: 1101 break; 1102 } 1103 return (rle->res); 1104 } 1105 if (rman_get_device(rle->res) != dev) 1106 return (NULL); 1107 bus_release_resource(dev, type, *rid, rle->res); 1108 rle->res = NULL; 1109 switch(type) { 1110 case SYS_RES_IOPORT: 1111 case SYS_RES_MEMORY: 1112 if (!(flags & RF_ALIGNMENT_MASK)) 1113 flags |= rman_make_alignment_flags(rle->count); 1114 break; 1115 case SYS_RES_IRQ: 1116 flags |= RF_SHAREABLE; 1117 break; 1118 } 1119 rle->res = resource_list_alloc(&dinfo->resources, dev, child, 1120 type, rid, rle->start, rle->end, rle->count, flags); 1121 return (rle->res); 1122bad:; 1123 device_printf(dev, "WARNING: Resource not reserved by pccard\n"); 1124 return (NULL); 1125} 1126 1127static int 1128pccard_release_resource(device_t dev, device_t child, int type, int rid, 1129 struct resource *r) 1130{ 1131 struct pccard_ivar *dinfo; 1132 int passthrough = (device_get_parent(child) != dev); 1133 struct resource_list_entry *rle = 0; 1134 int ret; 1135 int flags; 1136 1137 if (passthrough) 1138 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1139 type, rid, r); 1140 1141 dinfo = device_get_ivars(child); 1142 1143 rle = resource_list_find(&dinfo->resources, type, rid); 1144 1145 if (!rle) { 1146 device_printf(dev, "Allocated resource not found, " 1147 "%d %x %lx %lx\n", 1148 type, rid, rman_get_start(r), rman_get_size(r)); 1149 return ENOENT; 1150 } 1151 if (!rle->res) { 1152 device_printf(dev, "Allocated resource not recorded\n"); 1153 return ENOENT; 1154 } 1155 1156 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1157 type, rid, r); 1158 switch(type) { 1159 case SYS_RES_IOPORT: 1160 case SYS_RES_MEMORY: 1161 flags = rman_make_alignment_flags(rle->count); 1162 break; 1163 case SYS_RES_IRQ: 1164 flags = RF_SHAREABLE; 1165 break; 1166 default: 1167 flags = 0; 1168 } 1169 rle->res = bus_alloc_resource(dev, type, &rid, 1170 rle->start, rle->end, rle->count, flags); 1171 if (rle->res == NULL) 1172 device_printf(dev, "release_resource: " 1173 "unable to reaquire resource\n"); 1174 return ret; 1175} 1176 1177static void 1178pccard_child_detached(device_t parent, device_t dev) 1179{ 1180 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1181 struct pccard_function *pf = ivar->fcn; 1182 1183 pccard_function_disable(pf); 1184} 1185 1186static void 1187pccard_intr(void *arg) 1188{ 1189 struct pccard_function *pf = (struct pccard_function*) arg; 1190 int reg; 1191 int doisr = 1; 1192 1193 /* 1194 * MFC cards know if they interrupted, so we have to ack the 1195 * interrupt and call the ISR. Non-MFC cards don't have these 1196 * bits, so they always get called. Many non-MFC cards have 1197 * this bit set always upon read, but some do not. 1198 * 1199 * We always ack the interrupt, even if there's no ISR 1200 * for the card. This is done on the theory that acking 1201 * the interrupt will pacify the card enough to keep an 1202 * interrupt storm from happening. Of course this won't 1203 * help in the non-MFC case. 1204 */ 1205 if (pccard_mfc(pf->sc)) { 1206 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1207 if (reg & PCCARD_CCR_STATUS_INTR) 1208 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1209 reg & ~PCCARD_CCR_STATUS_INTR); 1210 else 1211 doisr = 0; 1212 } 1213 if (pf->intr_handler != NULL && doisr) 1214 pf->intr_handler(pf->intr_handler_arg); 1215} 1216 1217static int 1218pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1219 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1220{ 1221 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1222 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1223 struct pccard_function *func = ivar->fcn; 1224 int err; 1225 1226 if (func->intr_handler != NULL) 1227 panic("Only one interrupt handler per function allowed"); 1228 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr, 1229 func, cookiep); 1230 if (err != 0) 1231 return (err); 1232 func->intr_handler = intr; 1233 func->intr_handler_arg = arg; 1234 func->intr_handler_cookie = *cookiep; 1235 if (pccard_mfc(sc)) { 1236 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1237 pccard_ccr_read(func, PCCARD_CCR_OPTION) | 1238 PCCARD_CCR_OPTION_IREQ_ENABLE); 1239 } 1240 return (0); 1241} 1242 1243static int 1244pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1245 void *cookie) 1246{ 1247 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1248 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1249 struct pccard_function *func = ivar->fcn; 1250 int ret; 1251 1252 if (pccard_mfc(sc)) { 1253 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1254 pccard_ccr_read(func, PCCARD_CCR_OPTION) & 1255 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1256 } 1257 ret = bus_generic_teardown_intr(dev, child, r, cookie); 1258 if (ret == 0) { 1259 func->intr_handler = NULL; 1260 func->intr_handler_arg = NULL; 1261 func->intr_handler_cookie = NULL; 1262 } 1263 1264 return (ret); 1265} 1266 1267static device_method_t pccard_methods[] = { 1268 /* Device interface */ 1269 DEVMETHOD(device_probe, pccard_probe), 1270 DEVMETHOD(device_attach, pccard_attach), 1271 DEVMETHOD(device_detach, pccard_detach), 1272 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1273 DEVMETHOD(device_suspend, pccard_suspend), 1274 DEVMETHOD(device_resume, pccard_resume), 1275 1276 /* Bus interface */ 1277 DEVMETHOD(bus_print_child, pccard_print_child), 1278 DEVMETHOD(bus_driver_added, pccard_driver_added), 1279 DEVMETHOD(bus_child_detached, pccard_child_detached), 1280 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1281 DEVMETHOD(bus_release_resource, pccard_release_resource), 1282 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 1283 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 1284 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1285 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1286 DEVMETHOD(bus_set_resource, pccard_set_resource), 1287 DEVMETHOD(bus_get_resource, pccard_get_resource), 1288 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1289 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch), 1290 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1291 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str), 1292 DEVMETHOD(bus_child_location_str, pccard_child_location_str), 1293 1294 /* Card Interface */ 1295 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1296 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1297 DEVMETHOD(card_get_type, pccard_card_gettype), 1298 DEVMETHOD(card_attach_card, pccard_attach_card), 1299 DEVMETHOD(card_detach_card, pccard_detach_card), 1300 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe), 1301 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach), 1302 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup), 1303 1304 { 0, 0 } 1305}; 1306 1307static driver_t pccard_driver = { 1308 "pccard", 1309 pccard_methods, 1310 sizeof(struct pccard_softc) 1311}; 1312 1313devclass_t pccard_devclass; 1314 1315/* Maybe we need to have a slot device? */ 1316DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1317DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0); 1318DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0); 1319DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0); 1320MODULE_VERSION(pccard, 1); 1321/*MODULE_DEPEND(pccard, pcic, 1, 1, 1);*/ 1322