pccard.c revision 144927
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: head/sys/dev/pccard/pccard.c 144927 2005-04-12 04:30:35Z 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 */ 60SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters"); 61 62int pccard_debug = 0; 63TUNABLE_INT("hw.pccard.debug", &pccard_debug); 64SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW, 65 &pccard_debug, 0, 66 "pccard debug"); 67 68int pccard_cis_debug = 0; 69TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug); 70SYSCTL_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 85static int pccard_ccr_read(struct pccard_function *pf, int ccr); 86static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val); 87static int pccard_attach_card(device_t dev); 88static int pccard_detach_card(device_t dev); 89static void pccard_function_init(struct pccard_function *pf); 90static void pccard_function_free(struct pccard_function *pf); 91static int pccard_function_enable(struct pccard_function *pf); 92static void pccard_function_disable(struct pccard_function *pf); 93static int pccard_compat_do_probe(device_t bus, device_t dev); 94static int pccard_compat_do_attach(device_t bus, device_t dev); 95static int pccard_add_children(device_t dev, int busno); 96static int pccard_probe(device_t dev); 97static int pccard_attach(device_t dev); 98static int pccard_detach(device_t dev); 99static void pccard_print_resources(struct resource_list *rl, 100 const char *name, int type, int count, const char *format); 101static int pccard_print_child(device_t dev, device_t child); 102static int pccard_set_resource(device_t dev, device_t child, int type, 103 int rid, u_long start, u_long count); 104static int pccard_get_resource(device_t dev, device_t child, int type, 105 int rid, u_long *startp, u_long *countp); 106static void pccard_delete_resource(device_t dev, device_t child, int type, 107 int rid); 108static int pccard_set_res_flags(device_t dev, device_t child, int type, 109 int rid, uint32_t flags); 110static int pccard_set_memory_offset(device_t dev, device_t child, int rid, 111 uint32_t offset, uint32_t *deltap); 112static void pccard_probe_nomatch(device_t cbdev, device_t child); 113static int pccard_read_ivar(device_t bus, device_t child, int which, 114 u_char *result); 115static void pccard_driver_added(device_t dev, driver_t *driver); 116static 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); 119static int pccard_release_resource(device_t dev, device_t child, int type, 120 int rid, struct resource *r); 121static void pccard_child_detached(device_t parent, device_t dev); 122static void pccard_intr(void *arg); 123static 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); 126static int pccard_teardown_intr(device_t dev, device_t child, 127 struct resource *r, void *cookie); 128 129static const struct pccard_product * 130pccard_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 135static int 136pccard_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 142static void 143pccard_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 151static int 152pccard_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 181static int 182pccard_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 resource_list_init(&ivar->resources); 260 child = device_add_child(dev, NULL, -1); 261 device_set_ivars(child, ivar); 262 ivar->fcn = pf; 263 pf->dev = child; 264 /* 265 * XXX We might want to move the next two lines into 266 * XXX the pccard interface layer. For the moment, this 267 * XXX is OK, but some drivers want to pick the config 268 * XXX entry to use as well as some address tweaks (mostly 269 * XXX due to bugs in decode logic that makes some 270 * XXX addresses illegal or broken). 271 */ 272 pccard_function_init(pf); 273 if (sc->sc_enabled_count == 0) 274 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 275 if (pccard_function_enable(pf) == 0 && 276 pccard_set_default_descr(child) == 0 && 277 device_probe_and_attach(child) == 0) { 278 DEVPRINTF((sc->dev, "function %d CCR at %d " 279 "offset %x mask %x: " 280 "%x %x %x %x, %x %x %x %x, %x\n", 281 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 282 pf->ccr_mask, pccard_ccr_read(pf, 0x00), 283 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 284 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 285 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 286 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 287 } else { 288 if (pf->cfe != NULL) 289 pccard_function_disable(pf); 290 } 291 } 292 return (0); 293} 294 295static int 296pccard_detach_card(device_t dev) 297{ 298 struct pccard_softc *sc = PCCARD_SOFTC(dev); 299 struct pccard_function *pf; 300 struct pccard_config_entry *cfe; 301 int state; 302 303 /* 304 * We are running on either the PCCARD socket's event thread 305 * or in user context detaching a device by user request. 306 */ 307 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 308 if (pf->dev == NULL) 309 continue; 310 state = device_get_state(pf->dev); 311 if (state == DS_ATTACHED || state == DS_BUSY) 312 device_detach(pf->dev); 313 if (pf->cfe != NULL) 314 pccard_function_disable(pf); 315 pccard_function_free(pf); 316 device_delete_child(dev, pf->dev); 317 } 318 if (sc->sc_enabled_count == 0) 319 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 320 321 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) { 322 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) { 323 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list); 324 free(cfe, M_DEVBUF); 325 } 326 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list); 327 free(pf, M_DEVBUF); 328 } 329 return (0); 330} 331 332static const struct pccard_product * 333pccard_do_product_lookup(device_t bus, device_t dev, 334 const struct pccard_product *tab, size_t ent_size, 335 pccard_product_match_fn matchfn) 336{ 337 const struct pccard_product *ent; 338 int matches; 339 uint32_t vendor; 340 uint32_t prod; 341 const char *vendorstr; 342 const char *prodstr; 343 const char *cis3str; 344 const char *cis4str; 345 346#ifdef DIAGNOSTIC 347 if (sizeof *ent > ent_size) 348 panic("pccard_product_lookup: bogus ent_size %jd", 349 (intmax_t) ent_size); 350#endif 351 if (pccard_get_vendor(dev, &vendor)) 352 return (NULL); 353 if (pccard_get_product(dev, &prod)) 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 if (pccard_get_cis3_str(dev, &cis3str)) 360 return (NULL); 361 if (pccard_get_cis4_str(dev, &cis4str)) 362 return (NULL); 363 for (ent = tab; ent->pp_vendor != 0; ent = 364 (const struct pccard_product *) ((const char *) ent + ent_size)) { 365 matches = 1; 366 if (ent->pp_vendor == PCCARD_VENDOR_ANY && 367 ent->pp_product == PCCARD_PRODUCT_ANY && 368 ent->pp_cis[0] == NULL && 369 ent->pp_cis[1] == NULL) { 370 if (ent->pp_name) 371 device_printf(dev, 372 "Total wildcard entry ignored for %s\n", 373 ent->pp_name); 374 continue; 375 } 376 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 377 vendor != ent->pp_vendor) 378 matches = 0; 379 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 380 prod != ent->pp_product) 381 matches = 0; 382 if (matches && ent->pp_cis[0] && 383 (vendorstr == NULL || 384 strcmp(ent->pp_cis[0], vendorstr) != 0)) 385 matches = 0; 386 if (matches && ent->pp_cis[1] && 387 (prodstr == NULL || 388 strcmp(ent->pp_cis[1], prodstr) != 0)) 389 matches = 0; 390 if (matches && ent->pp_cis[2] && 391 (cis3str == NULL || 392 strcmp(ent->pp_cis[2], cis3str) != 0)) 393 matches = 0; 394 if (matches && ent->pp_cis[3] && 395 (cis4str == NULL || 396 strcmp(ent->pp_cis[3], cis4str) != 0)) 397 matches = 0; 398 if (matchfn != NULL) 399 matches = (*matchfn)(dev, ent, matches); 400 if (matches) 401 return (ent); 402 } 403 return (NULL); 404} 405 406/* 407 * Initialize a PCCARD function. May be called as long as the function is 408 * disabled. 409 * 410 * Note: pccard_function_init should not keep resources allocated. It should 411 * only set them up ala isa pnp, set the values in the rl lists, and return. 412 * Any resource held after pccard_function_init is called is a bug. However, 413 * the bus routines to get the resources also assume that pccard_function_init 414 * does this, so they need to be fixed too. 415 */ 416static void 417pccard_function_init(struct pccard_function *pf) 418{ 419 struct pccard_config_entry *cfe; 420 int i; 421 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 422 struct resource_list *rl = &devi->resources; 423 struct resource_list_entry *rle; 424 struct resource *r = 0; 425 device_t bus; 426 int start; 427 int end; 428 int spaces; 429 430 if (pf->pf_flags & PFF_ENABLED) { 431 printf("pccard_function_init: function is enabled"); 432 return; 433 } 434 bus = device_get_parent(pf->dev); 435 /* Remember which configuration entry we are using. */ 436 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 437 for (i = 0; i < cfe->num_iospace; i++) 438 cfe->iores[i] = NULL; 439 cfe->irqres = NULL; 440 spaces = 0; 441 for (i = 0; i < cfe->num_iospace; i++) { 442 start = cfe->iospace[i].start; 443 if (start) 444 end = start + cfe->iospace[i].length - 1; 445 else 446 end = ~0; 447 cfe->iorid[i] = i; 448 DEVPRINTF((bus, "I/O rid %d start %x end %x\n", 449 i, start, end)); 450 r = cfe->iores[i] = bus_alloc_resource(bus, 451 SYS_RES_IOPORT, &cfe->iorid[i], start, end, 452 cfe->iospace[i].length, 453 rman_make_alignment_flags(cfe->iospace[i].length)); 454 if (cfe->iores[i] == NULL) 455 goto not_this_one; 456 rle = resource_list_add(rl, SYS_RES_IOPORT, 457 cfe->iorid[i], rman_get_start(r), rman_get_end(r), 458 cfe->iospace[i].length); 459 if (rle == NULL) 460 panic("Cannot add resource rid %d IOPORT", 461 cfe->iorid[i]); 462 rle->res = r; 463 spaces++; 464 } 465 if (cfe->num_memspace > 0) { 466 /* 467 * Not implement yet, Fix me. 468 */ 469 DEVPRINTF((bus, "Memory space not yet implemented.\n")); 470 } 471 if (spaces == 0) { 472 DEVPRINTF((bus, "Neither memory nor I/O mapped\n")); 473 goto not_this_one; 474 } 475 if (cfe->irqmask) { 476 cfe->irqrid = 0; 477 r = cfe->irqres = bus_alloc_resource_any(bus, 478 SYS_RES_IRQ, &cfe->irqrid, 0); 479 if (cfe->irqres == NULL) 480 goto not_this_one; 481 rle = resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid, 482 rman_get_start(r), rman_get_end(r), 1); 483 if (rle == NULL) 484 panic("Cannot add resource rid %d IRQ", 485 cfe->irqrid); 486 rle->res = r; 487 } 488 /* If we get to here, we've allocated all we need */ 489 pf->cfe = cfe; 490 break; 491 not_this_one:; 492 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 493 cfe->number)); 494 /* 495 * Release resources that we partially allocated 496 * from this config entry. 497 */ 498 for (i = 0; i < cfe->num_iospace; i++) { 499 if (cfe->iores[i] != NULL) { 500 bus_release_resource(bus, SYS_RES_IOPORT, 501 cfe->iorid[i], cfe->iores[i]); 502 rle = resource_list_find(rl, SYS_RES_IOPORT, 503 cfe->iorid[i]); 504 rle->res = NULL; 505 resource_list_delete(rl, SYS_RES_IOPORT, 506 cfe->iorid[i]); 507 } 508 cfe->iores[i] = NULL; 509 } 510 if (cfe->irqmask && cfe->irqres != NULL) { 511 bus_release_resource(bus, SYS_RES_IRQ, 512 cfe->irqrid, cfe->irqres); 513 rle = resource_list_find(rl, SYS_RES_IRQ, 514 cfe->irqrid); 515 rle->res = NULL; 516 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid); 517 cfe->irqres = NULL; 518 } 519 } 520} 521 522/* 523 * Free resources allocated by pccard_function_init(), May be called as long 524 * as the function is disabled. 525 * 526 * NOTE: This function should be unnecessary. pccard_function_init should 527 * never keep resources initialized. 528 */ 529static void 530pccard_function_free(struct pccard_function *pf) 531{ 532 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 533 struct resource_list_entry *rle; 534 535 if (pf->pf_flags & PFF_ENABLED) { 536 printf("pccard_function_init: function is enabled"); 537 return; 538 } 539 540 STAILQ_FOREACH(rle, &devi->resources, link) { 541 if (rle->res) { 542 if (rman_get_device(rle->res) != pf->sc->dev) 543 device_printf(pf->sc->dev, 544 "function_free: Resource still owned by " 545 "child, oops. " 546 "(type=%d, rid=%d, addr=%lx)\n", 547 rle->type, rle->rid, 548 rman_get_start(rle->res)); 549 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 550 pf->sc->dev, rle->type, rle->rid, rle->res); 551 rle->res = NULL; 552 } 553 } 554 resource_list_free(&devi->resources); 555} 556 557static void 558pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr, 559 bus_addr_t offset, bus_size_t size) 560{ 561 bus_size_t iosize, tmp; 562 563 if (addr != 0) { 564 if (pf->pf_mfc_iomax == 0) { 565 pf->pf_mfc_iobase = addr + offset; 566 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 567 } else { 568 /* this makes the assumption that nothing overlaps */ 569 if (pf->pf_mfc_iobase > addr + offset) 570 pf->pf_mfc_iobase = addr + offset; 571 if (pf->pf_mfc_iomax < addr + offset + size) 572 pf->pf_mfc_iomax = addr + offset + size; 573 } 574 } 575 576 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 577 /* round up to nearest (2^n)-1 */ 578 for (iosize = 1; iosize < tmp; iosize <<= 1) 579 ; 580 iosize--; 581 582 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n", 583 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1))); 584 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 585 pf->pf_mfc_iobase & 0xff); 586 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 587 (pf->pf_mfc_iobase >> 8) & 0xff); 588 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 589 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 590 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 591} 592 593/* Enable a PCCARD function */ 594static int 595pccard_function_enable(struct pccard_function *pf) 596{ 597 struct pccard_function *tmp; 598 int reg; 599 device_t dev = pf->sc->dev; 600 601 if (pf->cfe == NULL) { 602 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 603 return (ENOMEM); 604 } 605 606 /* 607 * Increase the reference count on the socket, enabling power, if 608 * necessary. 609 */ 610 pf->sc->sc_enabled_count++; 611 612 if (pf->pf_flags & PFF_ENABLED) { 613 /* 614 * Don't do anything if we're already enabled. 615 */ 616 return (0); 617 } 618 619 /* 620 * it's possible for different functions' CCRs to be in the same 621 * underlying page. Check for that. 622 */ 623 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 624 if ((tmp->pf_flags & PFF_ENABLED) && 625 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 626 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 627 (tmp->ccr_base - tmp->pf_ccr_offset + 628 tmp->pf_ccr_realsize))) { 629 pf->pf_ccrt = tmp->pf_ccrt; 630 pf->pf_ccrh = tmp->pf_ccrh; 631 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 632 633 /* 634 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 635 * tmp->ccr_base) + pf->ccr_base; 636 */ 637 /* pf->pf_ccr_offset = 638 (tmp->pf_ccr_offset + pf->ccr_base) - 639 tmp->ccr_base; */ 640 pf->pf_ccr_window = tmp->pf_ccr_window; 641 break; 642 } 643 } 644 if (tmp == NULL) { 645 pf->ccr_rid = 0; 646 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 647 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE); 648 if (!pf->ccr_res) 649 goto bad; 650 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n", 651 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 652 pf->ccr_base)); 653 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 654 pf->ccr_rid, PCCARD_A_MEM_ATTR); 655 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 656 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 657 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 658 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 659 pf->pf_ccr_realsize = 1; 660 } 661 662 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 663 reg |= PCCARD_CCR_OPTION_LEVIREQ; 664 if (pccard_mfc(pf->sc)) { 665 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 666 PCCARD_CCR_OPTION_ADDR_DECODE); 667 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 668 } 669 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 670 671 reg = 0; 672 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 673 reg |= PCCARD_CCR_STATUS_IOIS8; 674 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 675 reg |= PCCARD_CCR_STATUS_AUDIO; 676 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 677 678 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 679 680 if (pccard_mfc(pf->sc)) 681 pccard_mfc_adjust_iobase(pf, 0, 0, 0); 682 683#ifdef PCCARDDEBUG 684 if (pccard_debug) { 685 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 686 device_printf(tmp->sc->dev, 687 "function %d CCR at %d offset %x: " 688 "%x %x %x %x, %x %x %x %x, %x\n", 689 tmp->number, tmp->pf_ccr_window, 690 tmp->pf_ccr_offset, 691 pccard_ccr_read(tmp, 0x00), 692 pccard_ccr_read(tmp, 0x02), 693 pccard_ccr_read(tmp, 0x04), 694 pccard_ccr_read(tmp, 0x06), 695 pccard_ccr_read(tmp, 0x0A), 696 pccard_ccr_read(tmp, 0x0C), 697 pccard_ccr_read(tmp, 0x0E), 698 pccard_ccr_read(tmp, 0x10), 699 pccard_ccr_read(tmp, 0x12)); 700 } 701 } 702#endif 703 pf->pf_flags |= PFF_ENABLED; 704 return (0); 705 706 bad: 707 /* 708 * Decrement the reference count, and power down the socket, if 709 * necessary. 710 */ 711 pf->sc->sc_enabled_count--; 712 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 713 714 return (1); 715} 716 717/* Disable PCCARD function. */ 718static void 719pccard_function_disable(struct pccard_function *pf) 720{ 721 struct pccard_function *tmp; 722 device_t dev = pf->sc->dev; 723 724 if (pf->cfe == NULL) 725 panic("pccard_function_disable: function not initialized"); 726 727 if ((pf->pf_flags & PFF_ENABLED) == 0) { 728 /* 729 * Don't do anything if we're already disabled. 730 */ 731 return; 732 } 733 734 if (pf->intr_handler != NULL) { 735 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 736 struct resource_list_entry *rle = 737 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 738 if (rle == NULL) 739 panic("Can't disable an interrupt with no IRQ res\n"); 740 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 741 pf->intr_handler_cookie); 742 } 743 744 /* 745 * it's possible for different functions' CCRs to be in the same 746 * underlying page. Check for that. Note we mark us as disabled 747 * first to avoid matching ourself. 748 */ 749 750 pf->pf_flags &= ~PFF_ENABLED; 751 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 752 if ((tmp->pf_flags & PFF_ENABLED) && 753 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 754 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 755 (tmp->ccr_base - tmp->pf_ccr_offset + 756 tmp->pf_ccr_realsize))) 757 break; 758 } 759 760 /* Not used by anyone else; unmap the CCR. */ 761 if (tmp == NULL) { 762 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 763 pf->ccr_res); 764 pf->ccr_res = NULL; 765 } 766 767 /* 768 * Decrement the reference count, and power down the socket, if 769 * necessary. 770 */ 771 pf->sc->sc_enabled_count--; 772} 773 774/* 775 * simulate the old "probe" routine. In the new world order, the driver 776 * needs to grab devices while in the old they were assigned to the device by 777 * the pccardd process. These symbols are exported to the upper layers. 778 */ 779static int 780pccard_compat_do_probe(device_t bus, device_t dev) 781{ 782 return (CARD_COMPAT_MATCH(dev)); 783} 784 785static int 786pccard_compat_do_attach(device_t bus, device_t dev) 787{ 788 int err; 789 790 err = CARD_COMPAT_PROBE(dev); 791 if (err <= 0) 792 err = CARD_COMPAT_ATTACH(dev); 793 return (err); 794} 795 796#define PCCARD_NPORT 2 797#define PCCARD_NMEM 5 798#define PCCARD_NIRQ 1 799#define PCCARD_NDRQ 0 800 801static int 802pccard_add_children(device_t dev, int busno) 803{ 804 /* Call parent to scan for any current children */ 805 return (0); 806} 807 808static int 809pccard_probe(device_t dev) 810{ 811 device_set_desc(dev, "16-bit PCCard bus"); 812 return (pccard_add_children(dev, device_get_unit(dev))); 813} 814 815static int 816pccard_attach(device_t dev) 817{ 818 struct pccard_softc *sc = PCCARD_SOFTC(dev); 819 820 sc->dev = dev; 821 sc->sc_enabled_count = 0; 822 return (bus_generic_attach(dev)); 823} 824 825static int 826pccard_detach(device_t dev) 827{ 828 pccard_detach_card(dev); 829 return 0; 830} 831 832static int 833pccard_suspend(device_t self) 834{ 835 pccard_detach_card(self); 836 return (0); 837} 838 839static 840int 841pccard_resume(device_t self) 842{ 843 return (0); 844} 845 846static void 847pccard_print_resources(struct resource_list *rl, const char *name, int type, 848 int count, const char *format) 849{ 850 struct resource_list_entry *rle; 851 int printed; 852 int i; 853 854 printed = 0; 855 for (i = 0; i < count; i++) { 856 rle = resource_list_find(rl, type, i); 857 if (rle != NULL) { 858 if (printed == 0) 859 printf(" %s ", name); 860 else if (printed > 0) 861 printf(","); 862 printed++; 863 printf(format, rle->start); 864 if (rle->count > 1) { 865 printf("-"); 866 printf(format, rle->start + rle->count - 1); 867 } 868 } else if (i > 3) { 869 /* check the first few regardless */ 870 break; 871 } 872 } 873} 874 875static int 876pccard_print_child(device_t dev, device_t child) 877{ 878 struct pccard_ivar *devi = PCCARD_IVAR(child); 879 struct resource_list *rl = &devi->resources; 880 int retval = 0; 881 882 retval += bus_print_child_header(dev, child); 883 retval += printf(" at"); 884 885 if (devi != NULL) { 886 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 887 PCCARD_NPORT, "%#lx"); 888 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 889 PCCARD_NMEM, "%#lx"); 890 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 891 "%ld"); 892 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 893 "%ld"); 894 retval += printf(" function %d config %d", devi->fcn->number, 895 devi->fcn->cfe->number); 896 } 897 898 retval += bus_print_child_footer(dev, child); 899 900 return (retval); 901} 902 903static int 904pccard_set_resource(device_t dev, device_t child, int type, int rid, 905 u_long start, u_long count) 906{ 907 struct pccard_ivar *devi = PCCARD_IVAR(child); 908 struct resource_list *rl = &devi->resources; 909 910 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 911 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 912 return (EINVAL); 913 if (rid < 0) 914 return (EINVAL); 915 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 916 return (EINVAL); 917 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 918 return (EINVAL); 919 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 920 return (EINVAL); 921 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 922 return (EINVAL); 923 924 resource_list_add(rl, type, rid, start, start + count - 1, count); 925 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 926 type, &rid, start, start + count - 1, count, 0)) 927 return 0; 928 else 929 return ENOMEM; 930} 931 932static int 933pccard_get_resource(device_t dev, device_t child, int type, int rid, 934 u_long *startp, u_long *countp) 935{ 936 struct pccard_ivar *devi = PCCARD_IVAR(child); 937 struct resource_list *rl = &devi->resources; 938 struct resource_list_entry *rle; 939 940 rle = resource_list_find(rl, type, rid); 941 if (rle == NULL) 942 return (ENOENT); 943 944 if (startp != NULL) 945 *startp = rle->start; 946 if (countp != NULL) 947 *countp = rle->count; 948 949 return (0); 950} 951 952static void 953pccard_delete_resource(device_t dev, device_t child, int type, int rid) 954{ 955 struct pccard_ivar *devi = PCCARD_IVAR(child); 956 struct resource_list *rl = &devi->resources; 957 resource_list_delete(rl, type, rid); 958} 959 960static int 961pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 962 uint32_t flags) 963{ 964 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 965 rid, flags)); 966} 967 968static int 969pccard_set_memory_offset(device_t dev, device_t child, int rid, 970 uint32_t offset, uint32_t *deltap) 971 972{ 973 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 974 offset, deltap)); 975} 976 977static void 978pccard_probe_nomatch(device_t bus, device_t child) 979{ 980 struct pccard_ivar *devi = PCCARD_IVAR(child); 981 struct pccard_function *func = devi->fcn; 982 struct pccard_softc *sc = PCCARD_SOFTC(bus); 983 984 device_printf(bus, "<unknown card>"); 985 printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n", 986 sc->card.manufacturer, sc->card.product, func->number); 987 device_printf(bus, " CIS info: %s, %s, %s\n", sc->card.cis1_info[0], 988 sc->card.cis1_info[1], sc->card.cis1_info[2]); 989 return; 990} 991 992static int 993pccard_child_location_str(device_t bus, device_t child, char *buf, 994 size_t buflen) 995{ 996 struct pccard_ivar *devi = PCCARD_IVAR(child); 997 struct pccard_function *func = devi->fcn; 998 999 snprintf(buf, buflen, "function=%d", func->number); 1000 return (0); 1001} 1002 1003static int 1004pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf, 1005 size_t buflen) 1006{ 1007 struct pccard_ivar *devi = PCCARD_IVAR(child); 1008 struct pccard_function *func = devi->fcn; 1009 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1010 1011 /* XXX need to make sure that we've quoted the " in strings! */ 1012 snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x " 1013 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d", 1014 sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0], 1015 sc->card.cis1_info[1], func->function); 1016 return (0); 1017} 1018 1019static int 1020pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 1021{ 1022 struct pccard_ivar *devi = PCCARD_IVAR(child); 1023 struct pccard_function *func = devi->fcn; 1024 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1025 1026 switch (which) { 1027 default: 1028 case PCCARD_IVAR_ETHADDR: 1029 bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN); 1030 break; 1031 case PCCARD_IVAR_VENDOR: 1032 *(uint32_t *) result = sc->card.manufacturer; 1033 break; 1034 case PCCARD_IVAR_PRODUCT: 1035 *(uint32_t *) result = sc->card.product; 1036 break; 1037 case PCCARD_IVAR_PRODEXT: 1038 *(uint16_t *) result = sc->card.prodext; 1039 break; 1040 case PCCARD_IVAR_FUNCTION: 1041 *(uint32_t *) result = func->function; 1042 break; 1043 case PCCARD_IVAR_FUNCTION_NUMBER: 1044 if (!func) { 1045 device_printf(bus, "No function number, bug!\n"); 1046 return (ENOENT); 1047 } 1048 *(uint32_t *) result = func->number; 1049 break; 1050 case PCCARD_IVAR_VENDOR_STR: 1051 *(char **) result = sc->card.cis1_info[0]; 1052 break; 1053 case PCCARD_IVAR_PRODUCT_STR: 1054 *(char **) result = sc->card.cis1_info[1]; 1055 break; 1056 case PCCARD_IVAR_CIS3_STR: 1057 *(char **) result = sc->card.cis1_info[2]; 1058 break; 1059 case PCCARD_IVAR_CIS4_STR: 1060 *(char **) result = sc->card.cis1_info[3]; 1061 break; 1062 } 1063 return (0); 1064} 1065 1066static void 1067pccard_driver_added(device_t dev, driver_t *driver) 1068{ 1069 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1070 struct pccard_function *pf; 1071 device_t child; 1072 1073 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 1074 if (STAILQ_EMPTY(&pf->cfe_head)) 1075 continue; 1076 child = pf->dev; 1077 if (device_get_state(child) != DS_NOTPRESENT) 1078 continue; 1079 if (pccard_function_enable(pf) == 0 && 1080 device_probe_and_attach(child) == 0) { 1081 DEVPRINTF((sc->dev, "function %d CCR at %d " 1082 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 1083 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 1084 pccard_ccr_read(pf, 0x00), 1085 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 1086 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 1087 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 1088 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 1089 } else { 1090 if (pf->cfe != NULL) 1091 pccard_function_disable(pf); 1092 } 1093 } 1094 return; 1095} 1096 1097static struct resource * 1098pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1099 u_long start, u_long end, u_long count, u_int flags) 1100{ 1101 struct pccard_ivar *dinfo; 1102 struct resource_list_entry *rle = 0; 1103 int passthrough = (device_get_parent(child) != dev); 1104 int isdefault = (start == 0 && end == ~0UL && count == 1); 1105 struct resource *r = NULL; 1106 1107 /* XXX I'm no longer sure this is right */ 1108 if (passthrough) { 1109 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1110 type, rid, start, end, count, flags)); 1111 } 1112 1113 dinfo = device_get_ivars(child); 1114 rle = resource_list_find(&dinfo->resources, type, *rid); 1115 1116 if (rle == NULL && isdefault) 1117 return (NULL); /* no resource of that type/rid */ 1118 if (rle == NULL || rle->res == NULL) { 1119 /* Do we want this device to own it? */ 1120 /* XXX I think so, but that might be lame XXX */ 1121 r = bus_alloc_resource(dev, type, rid, start, end, 1122 count, flags /* XXX aligment? */); 1123 if (r == NULL) 1124 goto bad; 1125 resource_list_add(&dinfo->resources, type, *rid, 1126 rman_get_start(r), rman_get_end(r), count); 1127 rle = resource_list_find(&dinfo->resources, type, *rid); 1128 if (!rle) 1129 goto bad; 1130 rle->res = r; 1131 } 1132 /* 1133 * XXX the following looks wrong, in theory, but likely it is 1134 * XXX needed because of how the CIS code allocates resources 1135 * XXX for this device. 1136 */ 1137 if (rman_get_device(rle->res) != dev) 1138 return (NULL); 1139 bus_release_resource(dev, type, *rid, rle->res); 1140 rle->res = NULL; 1141 switch(type) { 1142 case SYS_RES_IOPORT: 1143 case SYS_RES_MEMORY: 1144 if (!(flags & RF_ALIGNMENT_MASK)) 1145 flags |= rman_make_alignment_flags(rle->count); 1146 break; 1147 case SYS_RES_IRQ: 1148 flags |= RF_SHAREABLE; 1149 break; 1150 } 1151 rle->res = resource_list_alloc(&dinfo->resources, dev, child, 1152 type, rid, rle->start, rle->end, rle->count, flags); 1153 return (rle->res); 1154bad:; 1155 device_printf(dev, "WARNING: Resource not reserved by pccard\n"); 1156 return (NULL); 1157} 1158 1159static int 1160pccard_release_resource(device_t dev, device_t child, int type, int rid, 1161 struct resource *r) 1162{ 1163 struct pccard_ivar *dinfo; 1164 int passthrough = (device_get_parent(child) != dev); 1165 struct resource_list_entry *rle = 0; 1166 int ret; 1167 int flags; 1168 1169 if (passthrough) 1170 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1171 type, rid, r); 1172 1173 dinfo = device_get_ivars(child); 1174 1175 rle = resource_list_find(&dinfo->resources, type, rid); 1176 1177 if (!rle) { 1178 device_printf(dev, "Allocated resource not found, " 1179 "%d %x %lx %lx\n", 1180 type, rid, rman_get_start(r), rman_get_size(r)); 1181 return ENOENT; 1182 } 1183 if (!rle->res) { 1184 device_printf(dev, "Allocated resource not recorded\n"); 1185 return ENOENT; 1186 } 1187 1188 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1189 type, rid, r); 1190 switch(type) { 1191 case SYS_RES_IOPORT: 1192 case SYS_RES_MEMORY: 1193 flags = rman_make_alignment_flags(rle->count); 1194 break; 1195 case SYS_RES_IRQ: 1196 flags = RF_SHAREABLE; 1197 break; 1198 default: 1199 flags = 0; 1200 } 1201 rle->res = bus_alloc_resource(dev, type, &rid, 1202 rle->start, rle->end, rle->count, flags); 1203 if (rle->res == NULL) 1204 device_printf(dev, "release_resource: " 1205 "unable to reaquire resource\n"); 1206 return ret; 1207} 1208 1209static void 1210pccard_child_detached(device_t parent, device_t dev) 1211{ 1212 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1213 struct pccard_function *pf = ivar->fcn; 1214 1215 pccard_function_disable(pf); 1216} 1217 1218static void 1219pccard_intr(void *arg) 1220{ 1221 struct pccard_function *pf = (struct pccard_function*) arg; 1222 int reg; 1223 int doisr = 1; 1224 1225 /* 1226 * MFC cards know if they interrupted, so we have to ack the 1227 * interrupt and call the ISR. Non-MFC cards don't have these 1228 * bits, so they always get called. Many non-MFC cards have 1229 * this bit set always upon read, but some do not. 1230 * 1231 * We always ack the interrupt, even if there's no ISR 1232 * for the card. This is done on the theory that acking 1233 * the interrupt will pacify the card enough to keep an 1234 * interrupt storm from happening. Of course this won't 1235 * help in the non-MFC case. 1236 * 1237 * This has no impact for MPSAFEness of the client drivers. 1238 * We register this with whatever flags the intr_handler 1239 * was registered with. All these functions are MPSAFE. 1240 */ 1241 if (pccard_mfc(pf->sc)) { 1242 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1243 if (reg & PCCARD_CCR_STATUS_INTR) 1244 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1245 reg & ~PCCARD_CCR_STATUS_INTR); 1246 else 1247 doisr = 0; 1248 } 1249 if (pf->intr_handler != NULL && doisr) 1250 pf->intr_handler(pf->intr_handler_arg); 1251} 1252 1253static int 1254pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1255 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1256{ 1257 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1258 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1259 struct pccard_function *func = ivar->fcn; 1260 int err; 1261 1262 if (func->intr_handler != NULL) 1263 panic("Only one interrupt handler per function allowed"); 1264 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr, 1265 func, cookiep); 1266 if (err != 0) 1267 return (err); 1268 func->intr_handler = intr; 1269 func->intr_handler_arg = arg; 1270 func->intr_handler_cookie = *cookiep; 1271 if (pccard_mfc(sc)) { 1272 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1273 pccard_ccr_read(func, PCCARD_CCR_OPTION) | 1274 PCCARD_CCR_OPTION_IREQ_ENABLE); 1275 } 1276 return (0); 1277} 1278 1279static int 1280pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1281 void *cookie) 1282{ 1283 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1284 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1285 struct pccard_function *func = ivar->fcn; 1286 int ret; 1287 1288 if (pccard_mfc(sc)) { 1289 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1290 pccard_ccr_read(func, PCCARD_CCR_OPTION) & 1291 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1292 } 1293 ret = bus_generic_teardown_intr(dev, child, r, cookie); 1294 if (ret == 0) { 1295 func->intr_handler = NULL; 1296 func->intr_handler_arg = NULL; 1297 func->intr_handler_cookie = NULL; 1298 } 1299 1300 return (ret); 1301} 1302 1303static int 1304pccard_activate_resource(device_t brdev, device_t child, int type, int rid, 1305 struct resource *r) 1306{ 1307 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1308 struct pccard_function *pf = ivar->fcn; 1309 1310 switch(type) { 1311 case SYS_RES_IOPORT: 1312 /* 1313 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC 1314 * card. 1315 */ 1316 if (pccard_mfc(pf->sc)) 1317 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0, 1318 rman_get_size(r)); 1319 break; 1320 default: 1321 break; 1322 } 1323 return (bus_generic_activate_resource(brdev, child, type, rid, r)); 1324} 1325 1326static int 1327pccard_deactivate_resource(device_t brdev, device_t child, int type, 1328 int rid, struct resource *r) 1329{ 1330 /* XXX undo pccard_activate_resource? XXX */ 1331 return (bus_generic_deactivate_resource(brdev, child, type, rid, r)); 1332} 1333 1334static device_method_t pccard_methods[] = { 1335 /* Device interface */ 1336 DEVMETHOD(device_probe, pccard_probe), 1337 DEVMETHOD(device_attach, pccard_attach), 1338 DEVMETHOD(device_detach, pccard_detach), 1339 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1340 DEVMETHOD(device_suspend, pccard_suspend), 1341 DEVMETHOD(device_resume, pccard_resume), 1342 1343 /* Bus interface */ 1344 DEVMETHOD(bus_print_child, pccard_print_child), 1345 DEVMETHOD(bus_driver_added, pccard_driver_added), 1346 DEVMETHOD(bus_child_detached, pccard_child_detached), 1347 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1348 DEVMETHOD(bus_release_resource, pccard_release_resource), 1349 DEVMETHOD(bus_activate_resource, pccard_activate_resource), 1350 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource), 1351 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1352 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1353 DEVMETHOD(bus_set_resource, pccard_set_resource), 1354 DEVMETHOD(bus_get_resource, pccard_get_resource), 1355 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1356 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch), 1357 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1358 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str), 1359 DEVMETHOD(bus_child_location_str, pccard_child_location_str), 1360 1361 /* Card Interface */ 1362 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1363 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1364 DEVMETHOD(card_attach_card, pccard_attach_card), 1365 DEVMETHOD(card_detach_card, pccard_detach_card), 1366 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe), 1367 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach), 1368 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup), 1369 1370 { 0, 0 } 1371}; 1372 1373static driver_t pccard_driver = { 1374 "pccard", 1375 pccard_methods, 1376 sizeof(struct pccard_softc) 1377}; 1378 1379devclass_t pccard_devclass; 1380 1381/* Maybe we need to have a slot device? */ 1382DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1383DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0); 1384MODULE_VERSION(pccard, 1); 1385