pccard.c revision 166453
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 166453 2007-02-03 07:09:36Z 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#include <dev/pccard/pccardvarp.h> 54#include <dev/pccard/pccard_cis.h> 55 56#include "power_if.h" 57#include "card_if.h" 58 59#define PCCARDDEBUG 60 61/* sysctl vars */ 62SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters"); 63 64int pccard_debug = 0; 65TUNABLE_INT("hw.pccard.debug", &pccard_debug); 66SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW, 67 &pccard_debug, 0, 68 "pccard debug"); 69 70int pccard_cis_debug = 0; 71TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug); 72SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW, 73 &pccard_cis_debug, 0, "pccard CIS debug"); 74 75#ifdef PCCARDDEBUG 76#define DPRINTF(arg) if (pccard_debug) printf arg 77#define DEVPRINTF(arg) if (pccard_debug) device_printf arg 78#define PRVERBOSE(arg) printf arg 79#define DEVPRVERBOSE(arg) device_printf arg 80#else 81#define DPRINTF(arg) 82#define DEVPRINTF(arg) 83#define PRVERBOSE(arg) if (bootverbose) printf arg 84#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg 85#endif 86 87static int pccard_ccr_read(struct pccard_function *pf, int ccr); 88static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val); 89static int pccard_attach_card(device_t dev); 90static int pccard_detach_card(device_t dev); 91static void pccard_function_init(struct pccard_function *pf); 92static void pccard_function_free(struct pccard_function *pf); 93static int pccard_function_enable(struct pccard_function *pf); 94static void pccard_function_disable(struct pccard_function *pf); 95static int pccard_probe(device_t dev); 96static int pccard_attach(device_t dev); 97static int pccard_detach(device_t dev); 98static void pccard_print_resources(struct resource_list *rl, 99 const char *name, int type, int count, const char *format); 100static int pccard_print_child(device_t dev, device_t child); 101static int pccard_set_resource(device_t dev, device_t child, int type, 102 int rid, u_long start, u_long count); 103static int pccard_get_resource(device_t dev, device_t child, int type, 104 int rid, u_long *startp, u_long *countp); 105static void pccard_delete_resource(device_t dev, device_t child, int type, 106 int rid); 107static int pccard_set_res_flags(device_t dev, device_t child, int type, 108 int rid, uint32_t flags); 109static int pccard_set_memory_offset(device_t dev, device_t child, int rid, 110 uint32_t offset, uint32_t *deltap); 111static void pccard_probe_nomatch(device_t cbdev, device_t child); 112static int pccard_read_ivar(device_t bus, device_t child, int which, 113 u_char *result); 114static void pccard_driver_added(device_t dev, driver_t *driver); 115static struct resource *pccard_alloc_resource(device_t dev, 116 device_t child, int type, int *rid, u_long start, 117 u_long end, u_long count, u_int flags); 118static int pccard_release_resource(device_t dev, device_t child, int type, 119 int rid, struct resource *r); 120static void pccard_child_detached(device_t parent, device_t dev); 121static void pccard_intr(void *arg); 122static int pccard_setup_intr(device_t dev, device_t child, 123 struct resource *irq, int flags, driver_intr_t *intr, 124 void *arg, void **cookiep); 125static int pccard_teardown_intr(device_t dev, device_t child, 126 struct resource *r, void *cookie); 127 128static const struct pccard_product * 129pccard_do_product_lookup(device_t bus, device_t dev, 130 const struct pccard_product *tab, size_t ent_size, 131 pccard_product_match_fn matchfn); 132 133 134static int 135pccard_ccr_read(struct pccard_function *pf, int ccr) 136{ 137 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 138 pf->pf_ccr_offset + ccr)); 139} 140 141static void 142pccard_ccr_write(struct pccard_function *pf, int ccr, int val) 143{ 144 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 145 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 146 pf->pf_ccr_offset + ccr, val); 147 } 148} 149 150static int 151pccard_set_default_descr(device_t dev) 152{ 153 const char *vendorstr, *prodstr; 154 uint32_t vendor, prod; 155 char *str; 156 157 if (pccard_get_vendor_str(dev, &vendorstr)) 158 return (0); 159 if (pccard_get_product_str(dev, &prodstr)) 160 return (0); 161 if (vendorstr != NULL && prodstr != NULL) { 162 str = malloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF, 163 M_WAITOK); 164 sprintf(str, "%s %s", vendorstr, prodstr); 165 device_set_desc_copy(dev, str); 166 free(str, M_DEVBUF); 167 } else { 168 if (pccard_get_vendor(dev, &vendor)) 169 return (0); 170 if (pccard_get_product(dev, &prod)) 171 return (0); 172 str = malloc(100, M_DEVBUF, M_WAITOK); 173 snprintf(str, 100, "vendor=0x%x product=0x%x", vendor, prod); 174 device_set_desc_copy(dev, str); 175 free(str, M_DEVBUF); 176 } 177 return (0); 178} 179 180static int 181pccard_attach_card(device_t dev) 182{ 183 struct pccard_softc *sc = PCCARD_SOFTC(dev); 184 struct pccard_function *pf; 185 struct pccard_ivar *ivar; 186 device_t child; 187 int i; 188 189 if (!STAILQ_EMPTY(&sc->card.pf_head)) { 190 if (bootverbose || pccard_debug) 191 device_printf(dev, "Card already inserted.\n"); 192 } 193 194 DEVPRINTF((dev, "chip_socket_enable\n")); 195 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 196 197 DEVPRINTF((dev, "read_cis\n")); 198 pccard_read_cis(sc); 199 200 DEVPRINTF((dev, "check_cis_quirks\n")); 201 pccard_check_cis_quirks(dev); 202 203 /* 204 * bail now if the card has no functions, or if there was an error in 205 * the cis. 206 */ 207 208 if (sc->card.error) { 209 device_printf(dev, "CARD ERROR!\n"); 210 return (1); 211 } 212 if (STAILQ_EMPTY(&sc->card.pf_head)) { 213 device_printf(dev, "Card has no functions!\n"); 214 return (1); 215 } 216 217 if (bootverbose || pccard_debug) 218 pccard_print_cis(dev); 219 220 DEVPRINTF((dev, "functions scanning\n")); 221 i = -1; 222 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 223 i++; 224 if (STAILQ_EMPTY(&pf->cfe_head)) { 225 device_printf(dev, 226 "Function %d has no config entries.!\n", i); 227 continue; 228 } 229 pf->sc = sc; 230 pf->cfe = NULL; 231 pf->dev = NULL; 232 } 233 DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1, 234 pccard_mfc(sc))); 235 236 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 237 if (STAILQ_EMPTY(&pf->cfe_head)) 238 continue; 239 /* 240 * In NetBSD, the drivers are responsible for activating 241 * each function of a card. I think that in FreeBSD we 242 * want to activate them enough for the usual bus_*_resource 243 * routines will do the right thing. This many mean a 244 * departure from the current NetBSD model. 245 * 246 * This seems to work well in practice for most cards. 247 * However, there are two cases that are problematic. 248 * If a driver wishes to pick and chose which config 249 * entry to use, then this method falls down. These 250 * are usually older cards. In addition, there are 251 * some cards that have multiple hardware units on the 252 * cards, but presents only one CIS chain. These cards 253 * are combination cards, but only one of these units 254 * can be on at a time. 255 */ 256 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, 257 M_WAITOK | M_ZERO); 258 resource_list_init(&ivar->resources); 259 child = device_add_child(dev, NULL, -1); 260 device_set_ivars(child, ivar); 261 ivar->pf = pf; 262 pf->dev = child; 263 /* 264 * XXX We might want to move the next three 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 294static int 295pccard_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 struct pccard_ivar *devi; 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 devi = PCCARD_IVAR(pf->dev); 317 device_delete_child(dev, pf->dev); 318 free(devi, M_DEVBUF); 319 } 320 if (sc->sc_enabled_count == 0) 321 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 322 323 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) { 324 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) { 325 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list); 326 free(cfe, M_DEVBUF); 327 } 328 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list); 329 free(pf, M_DEVBUF); 330 } 331 STAILQ_INIT(&sc->card.pf_head); 332 return (0); 333} 334 335static const struct pccard_product * 336pccard_do_product_lookup(device_t bus, device_t dev, 337 const struct pccard_product *tab, size_t ent_size, 338 pccard_product_match_fn matchfn) 339{ 340 const struct pccard_product *ent; 341 int matches; 342 uint32_t vendor; 343 uint32_t prod; 344 const char *vendorstr; 345 const char *prodstr; 346 const char *cis3str; 347 const char *cis4str; 348 349#ifdef DIAGNOSTIC 350 if (sizeof *ent > ent_size) 351 panic("pccard_product_lookup: bogus ent_size %jd", 352 (intmax_t) ent_size); 353#endif 354 if (pccard_get_vendor(dev, &vendor)) 355 return (NULL); 356 if (pccard_get_product(dev, &prod)) 357 return (NULL); 358 if (pccard_get_vendor_str(dev, &vendorstr)) 359 return (NULL); 360 if (pccard_get_product_str(dev, &prodstr)) 361 return (NULL); 362 if (pccard_get_cis3_str(dev, &cis3str)) 363 return (NULL); 364 if (pccard_get_cis4_str(dev, &cis4str)) 365 return (NULL); 366 for (ent = tab; ent->pp_vendor != 0; ent = 367 (const struct pccard_product *) ((const char *) ent + ent_size)) { 368 matches = 1; 369 if (ent->pp_vendor == PCCARD_VENDOR_ANY && 370 ent->pp_product == PCCARD_PRODUCT_ANY && 371 ent->pp_cis[0] == NULL && 372 ent->pp_cis[1] == NULL) { 373 if (ent->pp_name) 374 device_printf(dev, 375 "Total wildcard entry ignored for %s\n", 376 ent->pp_name); 377 continue; 378 } 379 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 380 vendor != ent->pp_vendor) 381 matches = 0; 382 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 383 prod != ent->pp_product) 384 matches = 0; 385 if (matches && ent->pp_cis[0] && 386 (vendorstr == NULL || 387 strcmp(ent->pp_cis[0], vendorstr) != 0)) 388 matches = 0; 389 if (matches && ent->pp_cis[1] && 390 (prodstr == NULL || 391 strcmp(ent->pp_cis[1], prodstr) != 0)) 392 matches = 0; 393 if (matches && ent->pp_cis[2] && 394 (cis3str == NULL || 395 strcmp(ent->pp_cis[2], cis3str) != 0)) 396 matches = 0; 397 if (matches && ent->pp_cis[3] && 398 (cis4str == NULL || 399 strcmp(ent->pp_cis[3], cis4str) != 0)) 400 matches = 0; 401 if (matchfn != NULL) 402 matches = (*matchfn)(dev, ent, matches); 403 if (matches) 404 return (ent); 405 } 406 return (NULL); 407} 408 409/* 410 * Initialize a PCCARD function. May be called as long as the function is 411 * disabled. 412 * 413 * Note: pccard_function_init should not keep resources allocated. It should 414 * only set them up ala isa pnp, set the values in the rl lists, and return. 415 * Any resource held after pccard_function_init is called is a bug. However, 416 * the bus routines to get the resources also assume that pccard_function_init 417 * does this, so they need to be fixed too. 418 */ 419static void 420pccard_function_init(struct pccard_function *pf) 421{ 422 struct pccard_config_entry *cfe; 423 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 424 struct resource_list *rl = &devi->resources; 425 struct resource_list_entry *rle; 426 struct resource *r = 0; 427 device_t bus; 428 u_long start, end, len; 429 int i, rid, spaces; 430 431 if (pf->pf_flags & PFF_ENABLED) { 432 printf("pccard_function_init: function is enabled"); 433 return; 434 } 435 bus = device_get_parent(pf->dev); 436 /* Remember which configuration entry we are using. */ 437 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 438 if (cfe->iftype != PCCARD_IFTYPE_IO) 439 continue; 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 = ~0UL; 447 DEVPRINTF((bus, "I/O rid %d start %lx end %lx\n", 448 i, start, end)); 449 rid = i; 450 len = cfe->iospace[i].length; 451 r = bus_alloc_resource(bus, SYS_RES_IOPORT, &rid, 452 start, end, len, rman_make_alignment_flags(len)); 453 if (r == NULL) 454 goto not_this_one; 455 rle = resource_list_add(rl, SYS_RES_IOPORT, 456 rid, rman_get_start(r), rman_get_end(r), 457 cfe->iospace[i].length); 458 if (rle == NULL) 459 panic("Cannot add resource rid %d IOPORT", rid); 460 rle->res = r; 461 spaces++; 462 } 463 for (i = 0; i < cfe->num_memspace; i++) { 464 start = cfe->memspace[i].hostaddr; 465 if (start) 466 end = start + cfe->memspace[i].length - 1; 467 else 468 end = ~0UL; 469 DEVPRINTF((bus, "Memory rid %d start %lx end %lx\n", 470 i, start, end)); 471 rid = i; 472 len = cfe->memspace[i].length; 473 r = bus_alloc_resource(bus, SYS_RES_MEMORY, &rid, 474 start, end, len, rman_make_alignment_flags(len)); 475 if (r == NULL) 476 goto not_this_one; 477 rle = resource_list_add(rl, SYS_RES_MEMORY, 478 rid, rman_get_start(r), rman_get_end(r), 479 cfe->memspace[i].length); 480 if (rle == NULL) 481 panic("Cannot add resource rid %d MEM", rid); 482 rle->res = r; 483 spaces++; 484 } 485 if (spaces == 0) { 486 DEVPRINTF((bus, "Neither memory nor I/O mapped\n")); 487 goto not_this_one; 488 } 489 if (cfe->irqmask) { 490 rid = 0; 491 r = bus_alloc_resource_any(bus, SYS_RES_IRQ, &rid, 492 RF_SHAREABLE); 493 if (r == NULL) 494 goto not_this_one; 495 rle = resource_list_add(rl, SYS_RES_IRQ, rid, 496 rman_get_start(r), rman_get_end(r), 1); 497 if (rle == NULL) 498 panic("Cannot add resource rid %d IRQ", rid); 499 rle->res = r; 500 } 501 /* If we get to here, we've allocated all we need */ 502 pf->cfe = cfe; 503 break; 504 not_this_one:; 505 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 506 cfe->number)); 507 resource_list_purge(rl); 508 } 509} 510 511/* 512 * Free resources allocated by pccard_function_init(), May be called as long 513 * as the function is disabled. 514 * 515 * NOTE: This function should be unnecessary. pccard_function_init should 516 * never keep resources initialized. 517 */ 518static void 519pccard_function_free(struct pccard_function *pf) 520{ 521 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 522 struct resource_list_entry *rle; 523 524 if (pf->pf_flags & PFF_ENABLED) { 525 printf("pccard_function_init: function is enabled"); 526 return; 527 } 528 529 STAILQ_FOREACH(rle, &devi->resources, link) { 530 if (rle->res) { 531 if (rman_get_device(rle->res) != pf->sc->dev) 532 device_printf(pf->sc->dev, 533 "function_free: Resource still owned by " 534 "child, oops. " 535 "(type=%d, rid=%d, addr=%lx)\n", 536 rle->type, rle->rid, 537 rman_get_start(rle->res)); 538 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 539 pf->sc->dev, rle->type, rle->rid, rle->res); 540 rle->res = NULL; 541 } 542 } 543 resource_list_free(&devi->resources); 544} 545 546static void 547pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr, 548 bus_addr_t offset, bus_size_t size) 549{ 550 bus_size_t iosize, tmp; 551 552 if (addr != 0) { 553 if (pf->pf_mfc_iomax == 0) { 554 pf->pf_mfc_iobase = addr + offset; 555 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 556 } else { 557 /* this makes the assumption that nothing overlaps */ 558 if (pf->pf_mfc_iobase > addr + offset) 559 pf->pf_mfc_iobase = addr + offset; 560 if (pf->pf_mfc_iomax < addr + offset + size) 561 pf->pf_mfc_iomax = addr + offset + size; 562 } 563 } 564 565 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 566 /* round up to nearest (2^n)-1 */ 567 for (iosize = 1; iosize < tmp; iosize <<= 1) 568 ; 569 iosize--; 570 571 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n", 572 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1))); 573 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 574 pf->pf_mfc_iobase & 0xff); 575 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 576 (pf->pf_mfc_iobase >> 8) & 0xff); 577 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 578 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 579 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 580} 581 582/* Enable a PCCARD function */ 583static int 584pccard_function_enable(struct pccard_function *pf) 585{ 586 struct pccard_function *tmp; 587 int reg; 588 device_t dev = pf->sc->dev; 589 590 if (pf->cfe == NULL) { 591 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 592 return (ENOMEM); 593 } 594 595 /* 596 * Increase the reference count on the socket, enabling power, if 597 * necessary. 598 */ 599 pf->sc->sc_enabled_count++; 600 601 if (pf->pf_flags & PFF_ENABLED) { 602 /* 603 * Don't do anything if we're already enabled. 604 */ 605 return (0); 606 } 607 608 /* 609 * it's possible for different functions' CCRs to be in the same 610 * underlying page. Check for that. 611 */ 612 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 613 if ((tmp->pf_flags & PFF_ENABLED) && 614 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 615 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 616 (tmp->ccr_base - tmp->pf_ccr_offset + 617 tmp->pf_ccr_realsize))) { 618 pf->pf_ccrt = tmp->pf_ccrt; 619 pf->pf_ccrh = tmp->pf_ccrh; 620 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 621 622 /* 623 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 624 * tmp->ccr_base) + pf->ccr_base; 625 */ 626 /* pf->pf_ccr_offset = 627 (tmp->pf_ccr_offset + pf->ccr_base) - 628 tmp->ccr_base; */ 629 pf->pf_ccr_window = tmp->pf_ccr_window; 630 break; 631 } 632 } 633 if (tmp == NULL) { 634 pf->ccr_rid = 0; 635 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 636 &pf->ccr_rid, 0, ~0, PCCARD_MEM_PAGE_SIZE, RF_ACTIVE); 637 if (!pf->ccr_res) 638 goto bad; 639 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n", 640 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 641 pf->ccr_base)); 642 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 643 pf->ccr_rid, PCCARD_A_MEM_ATTR); 644 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 645 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 646 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 647 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 648 pf->pf_ccr_realsize = 1; 649 } 650 651 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 652 reg |= PCCARD_CCR_OPTION_LEVIREQ; 653 if (pccard_mfc(pf->sc)) { 654 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 655 PCCARD_CCR_OPTION_ADDR_DECODE); 656 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 657 } 658 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 659 660 reg = 0; 661 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 662 reg |= PCCARD_CCR_STATUS_IOIS8; 663 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 664 reg |= PCCARD_CCR_STATUS_AUDIO; 665 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 666 667 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 668 669 if (pccard_mfc(pf->sc)) 670 pccard_mfc_adjust_iobase(pf, 0, 0, 0); 671 672#ifdef PCCARDDEBUG 673 if (pccard_debug) { 674 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 675 device_printf(tmp->sc->dev, 676 "function %d CCR at %d offset %x: " 677 "%x %x %x %x, %x %x %x %x, %x\n", 678 tmp->number, tmp->pf_ccr_window, 679 tmp->pf_ccr_offset, 680 pccard_ccr_read(tmp, 0x00), 681 pccard_ccr_read(tmp, 0x02), 682 pccard_ccr_read(tmp, 0x04), 683 pccard_ccr_read(tmp, 0x06), 684 pccard_ccr_read(tmp, 0x0A), 685 pccard_ccr_read(tmp, 0x0C), 686 pccard_ccr_read(tmp, 0x0E), 687 pccard_ccr_read(tmp, 0x10), 688 pccard_ccr_read(tmp, 0x12)); 689 } 690 } 691#endif 692 pf->pf_flags |= PFF_ENABLED; 693 return (0); 694 695 bad: 696 /* 697 * Decrement the reference count, and power down the socket, if 698 * necessary. 699 */ 700 pf->sc->sc_enabled_count--; 701 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 702 703 return (1); 704} 705 706/* Disable PCCARD function. */ 707static void 708pccard_function_disable(struct pccard_function *pf) 709{ 710 struct pccard_function *tmp; 711 device_t dev = pf->sc->dev; 712 713 if (pf->cfe == NULL) 714 panic("pccard_function_disable: function not initialized"); 715 716 if ((pf->pf_flags & PFF_ENABLED) == 0) { 717 /* 718 * Don't do anything if we're already disabled. 719 */ 720 return; 721 } 722 723 if (pf->intr_handler != NULL) { 724 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 725 struct resource_list_entry *rle = 726 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 727 if (rle == NULL) 728 panic("Can't disable an interrupt with no IRQ res\n"); 729 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 730 pf->intr_handler_cookie); 731 } 732 733 /* 734 * it's possible for different functions' CCRs to be in the same 735 * underlying page. Check for that. Note we mark us as disabled 736 * first to avoid matching ourself. 737 */ 738 739 pf->pf_flags &= ~PFF_ENABLED; 740 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 741 if ((tmp->pf_flags & PFF_ENABLED) && 742 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 743 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 744 (tmp->ccr_base - tmp->pf_ccr_offset + 745 tmp->pf_ccr_realsize))) 746 break; 747 } 748 749 /* Not used by anyone else; unmap the CCR. */ 750 if (tmp == NULL) { 751 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 752 pf->ccr_res); 753 pf->ccr_res = NULL; 754 } 755 756 /* 757 * Decrement the reference count, and power down the socket, if 758 * necessary. 759 */ 760 pf->sc->sc_enabled_count--; 761} 762 763#define PCCARD_NPORT 2 764#define PCCARD_NMEM 5 765#define PCCARD_NIRQ 1 766#define PCCARD_NDRQ 0 767 768static int 769pccard_probe(device_t dev) 770{ 771 device_set_desc(dev, "16-bit PCCard bus"); 772 return (0); 773} 774 775static int 776pccard_attach(device_t dev) 777{ 778 struct pccard_softc *sc = PCCARD_SOFTC(dev); 779 int err; 780 781 sc->dev = dev; 782 sc->sc_enabled_count = 0; 783 if ((err = pccard_device_create(sc)) != 0) 784 return (err); 785 STAILQ_INIT(&sc->card.pf_head); 786 return (bus_generic_attach(dev)); 787} 788 789static int 790pccard_detach(device_t dev) 791{ 792 pccard_detach_card(dev); 793 pccard_device_destroy(device_get_softc(dev)); 794 return (0); 795} 796 797static int 798pccard_suspend(device_t self) 799{ 800 pccard_detach_card(self); 801 return (0); 802} 803 804static 805int 806pccard_resume(device_t self) 807{ 808 return (0); 809} 810 811static void 812pccard_print_resources(struct resource_list *rl, const char *name, int type, 813 int count, const char *format) 814{ 815 struct resource_list_entry *rle; 816 int printed; 817 int i; 818 819 printed = 0; 820 for (i = 0; i < count; i++) { 821 rle = resource_list_find(rl, type, i); 822 if (rle != NULL) { 823 if (printed == 0) 824 printf(" %s ", name); 825 else if (printed > 0) 826 printf(","); 827 printed++; 828 printf(format, rle->start); 829 if (rle->count > 1) { 830 printf("-"); 831 printf(format, rle->start + rle->count - 1); 832 } 833 } else if (i > 3) { 834 /* check the first few regardless */ 835 break; 836 } 837 } 838} 839 840static int 841pccard_print_child(device_t dev, device_t child) 842{ 843 struct pccard_ivar *devi = PCCARD_IVAR(child); 844 struct resource_list *rl = &devi->resources; 845 int retval = 0; 846 847 retval += bus_print_child_header(dev, child); 848 retval += printf(" at"); 849 850 if (devi != NULL) { 851 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 852 PCCARD_NPORT, "%#lx"); 853 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 854 PCCARD_NMEM, "%#lx"); 855 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 856 "%ld"); 857 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 858 "%ld"); 859 retval += printf(" function %d config %d", devi->pf->number, 860 devi->pf->cfe->number); 861 } 862 863 retval += bus_print_child_footer(dev, child); 864 865 return (retval); 866} 867 868static int 869pccard_set_resource(device_t dev, device_t child, int type, int rid, 870 u_long start, u_long count) 871{ 872 struct pccard_ivar *devi = PCCARD_IVAR(child); 873 struct resource_list *rl = &devi->resources; 874 875 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 876 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 877 return (EINVAL); 878 if (rid < 0) 879 return (EINVAL); 880 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 881 return (EINVAL); 882 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 883 return (EINVAL); 884 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 885 return (EINVAL); 886 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 887 return (EINVAL); 888 889 resource_list_add(rl, type, rid, start, start + count - 1, count); 890 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 891 type, &rid, start, start + count - 1, count, 0)) 892 return 0; 893 else 894 return ENOMEM; 895} 896 897static int 898pccard_get_resource(device_t dev, device_t child, int type, int rid, 899 u_long *startp, u_long *countp) 900{ 901 struct pccard_ivar *devi = PCCARD_IVAR(child); 902 struct resource_list *rl = &devi->resources; 903 struct resource_list_entry *rle; 904 905 rle = resource_list_find(rl, type, rid); 906 if (rle == NULL) 907 return (ENOENT); 908 909 if (startp != NULL) 910 *startp = rle->start; 911 if (countp != NULL) 912 *countp = rle->count; 913 914 return (0); 915} 916 917static void 918pccard_delete_resource(device_t dev, device_t child, int type, int rid) 919{ 920 struct pccard_ivar *devi = PCCARD_IVAR(child); 921 struct resource_list *rl = &devi->resources; 922 resource_list_delete(rl, type, rid); 923} 924 925static int 926pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 927 uint32_t flags) 928{ 929 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 930 rid, flags)); 931} 932 933static int 934pccard_set_memory_offset(device_t dev, device_t child, int rid, 935 uint32_t offset, uint32_t *deltap) 936 937{ 938 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 939 offset, deltap)); 940} 941 942static void 943pccard_probe_nomatch(device_t bus, device_t child) 944{ 945 struct pccard_ivar *devi = PCCARD_IVAR(child); 946 struct pccard_function *pf = devi->pf; 947 struct pccard_softc *sc = PCCARD_SOFTC(bus); 948 int i; 949 950 device_printf(bus, "<unknown card>"); 951 printf(" (manufacturer=0x%04x, product=0x%04x, function_type=%d) " 952 "at function %d\n", sc->card.manufacturer, sc->card.product, 953 pf->function, pf->number); 954 device_printf(bus, " CIS info: "); 955 for (i = 0; sc->card.cis1_info[i] != NULL && i < 4; i++) 956 printf("%s%s", i > 0 ? ", " : "", sc->card.cis1_info[i]); 957 printf("\n"); 958 return; 959} 960 961static int 962pccard_child_location_str(device_t bus, device_t child, char *buf, 963 size_t buflen) 964{ 965 struct pccard_ivar *devi = PCCARD_IVAR(child); 966 struct pccard_function *pf = devi->pf; 967 968 snprintf(buf, buflen, "function=%d", pf->number); 969 return (0); 970} 971 972/* XXX Maybe this should be in subr_bus? */ 973static void 974pccard_safe_quote(char *dst, const char *src, size_t len) 975{ 976 char *walker = dst, *ep = dst + len - 1; 977 978 if (len == 0) 979 return; 980 while (src != NULL && walker < ep) 981 { 982 if (*src == '"') { 983 if (ep - walker < 2) 984 break; 985 *walker++ = '\\'; 986 } 987 *walker++ = *src++; 988 } 989 *walker = '\0'; 990} 991 992static int 993pccard_child_pnpinfo_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 *pf = devi->pf; 998 struct pccard_softc *sc = PCCARD_SOFTC(bus); 999 char cis0[128], cis1[128]; 1000 1001 pccard_safe_quote(cis0, sc->card.cis1_info[0], sizeof(cis0)); 1002 pccard_safe_quote(cis1, sc->card.cis1_info[1], sizeof(cis1)); 1003 snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x " 1004 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d", 1005 sc->card.manufacturer, sc->card.product, cis0, cis1, pf->function); 1006 return (0); 1007} 1008 1009static int 1010pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 1011{ 1012 struct pccard_ivar *devi = PCCARD_IVAR(child); 1013 struct pccard_function *pf = devi->pf; 1014 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1015 1016 if (!pf) 1017 panic("No pccard function pointer"); 1018 switch (which) { 1019 default: 1020 return (EINVAL); 1021 case PCCARD_IVAR_ETHADDR: 1022 bcopy(pf->pf_funce_lan_nid, result, ETHER_ADDR_LEN); 1023 break; 1024 case PCCARD_IVAR_VENDOR: 1025 *(uint32_t *)result = sc->card.manufacturer; 1026 break; 1027 case PCCARD_IVAR_PRODUCT: 1028 *(uint32_t *)result = sc->card.product; 1029 break; 1030 case PCCARD_IVAR_PRODEXT: 1031 *(uint16_t *)result = sc->card.prodext; 1032 break; 1033 case PCCARD_IVAR_FUNCTION: 1034 *(uint32_t *)result = pf->function; 1035 break; 1036 case PCCARD_IVAR_FUNCTION_NUMBER: 1037 *(uint32_t *)result = pf->number; 1038 break; 1039 case PCCARD_IVAR_VENDOR_STR: 1040 *(const char **)result = sc->card.cis1_info[0]; 1041 break; 1042 case PCCARD_IVAR_PRODUCT_STR: 1043 *(const char **)result = sc->card.cis1_info[1]; 1044 break; 1045 case PCCARD_IVAR_CIS3_STR: 1046 *(const char **)result = sc->card.cis1_info[2]; 1047 break; 1048 case PCCARD_IVAR_CIS4_STR: 1049 *(const char **)result = sc->card.cis1_info[3]; 1050 break; 1051 } 1052 return (0); 1053} 1054 1055static void 1056pccard_driver_added(device_t dev, driver_t *driver) 1057{ 1058 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1059 struct pccard_function *pf; 1060 device_t child; 1061 1062 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 1063 if (STAILQ_EMPTY(&pf->cfe_head)) 1064 continue; 1065 child = pf->dev; 1066 if (device_get_state(child) != DS_NOTPRESENT) 1067 continue; 1068 if (pccard_function_enable(pf) == 0 && 1069 device_probe_and_attach(child) == 0) { 1070 DEVPRINTF((sc->dev, "function %d CCR at %d " 1071 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 1072 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 1073 pccard_ccr_read(pf, 0x00), 1074 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 1075 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 1076 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 1077 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 1078 } else { 1079 if (pf->cfe != NULL) 1080 pccard_function_disable(pf); 1081 } 1082 } 1083 return; 1084} 1085 1086static struct resource * 1087pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1088 u_long start, u_long end, u_long count, u_int flags) 1089{ 1090 struct pccard_ivar *dinfo; 1091 struct resource_list_entry *rle = 0; 1092 int passthrough = (device_get_parent(child) != dev); 1093 int isdefault = (start == 0 && end == ~0UL && count == 1); 1094 struct resource *r = NULL; 1095 1096 /* XXX I'm no longer sure this is right */ 1097 if (passthrough) { 1098 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1099 type, rid, start, end, count, flags)); 1100 } 1101 1102 dinfo = device_get_ivars(child); 1103 rle = resource_list_find(&dinfo->resources, type, *rid); 1104 1105 if (rle == NULL && isdefault) 1106 return (NULL); /* no resource of that type/rid */ 1107 if (rle == NULL || rle->res == NULL) { 1108 /* XXX Need to adjust flags */ 1109 r = bus_alloc_resource(dev, type, rid, start, end, 1110 count, flags); 1111 if (r == NULL) 1112 goto bad; 1113 resource_list_add(&dinfo->resources, type, *rid, 1114 rman_get_start(r), rman_get_end(r), count); 1115 rle = resource_list_find(&dinfo->resources, type, *rid); 1116 if (!rle) 1117 goto bad; 1118 rle->res = r; 1119 } 1120 /* 1121 * If dev doesn't own the device, then we can't give this device 1122 * out. 1123 */ 1124 if (rman_get_device(rle->res) != dev) 1125 return (NULL); 1126 rman_set_device(rle->res, child); 1127 if (flags & RF_ACTIVE) 1128 BUS_ACTIVATE_RESOURCE(dev, child, type, *rid, rle->res); 1129 return (rle->res); 1130bad:; 1131 device_printf(dev, "WARNING: Resource not reserved by pccard\n"); 1132 return (NULL); 1133} 1134 1135static int 1136pccard_release_resource(device_t dev, device_t child, int type, int rid, 1137 struct resource *r) 1138{ 1139 struct pccard_ivar *dinfo; 1140 int passthrough = (device_get_parent(child) != dev); 1141 struct resource_list_entry *rle = 0; 1142 1143 if (passthrough) 1144 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1145 type, rid, r); 1146 1147 dinfo = device_get_ivars(child); 1148 1149 rle = resource_list_find(&dinfo->resources, type, rid); 1150 1151 if (!rle) { 1152 device_printf(dev, "Allocated resource not found, " 1153 "%d %x %lx %lx\n", 1154 type, rid, rman_get_start(r), rman_get_size(r)); 1155 return ENOENT; 1156 } 1157 if (!rle->res) { 1158 device_printf(dev, "Allocated resource not recorded\n"); 1159 return ENOENT; 1160 } 1161 /* 1162 * Deactivate the resource (since it is being released), and 1163 * assign it to the bus. 1164 */ 1165 BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, rle->res); 1166 rman_set_device(rle->res, dev); 1167 return (0); 1168} 1169 1170static void 1171pccard_child_detached(device_t parent, device_t dev) 1172{ 1173 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1174 struct pccard_function *pf = ivar->pf; 1175 1176 pccard_function_disable(pf); 1177} 1178 1179static void 1180pccard_intr(void *arg) 1181{ 1182 struct pccard_function *pf = (struct pccard_function*) arg; 1183 int reg; 1184 int doisr = 1; 1185 1186 /* 1187 * MFC cards know if they interrupted, so we have to ack the 1188 * interrupt and call the ISR. Non-MFC cards don't have these 1189 * bits, so they always get called. Many non-MFC cards have 1190 * this bit set always upon read, but some do not. 1191 * 1192 * We always ack the interrupt, even if there's no ISR 1193 * for the card. This is done on the theory that acking 1194 * the interrupt will pacify the card enough to keep an 1195 * interrupt storm from happening. Of course this won't 1196 * help in the non-MFC case. 1197 * 1198 * This has no impact for MPSAFEness of the client drivers. 1199 * We register this with whatever flags the intr_handler 1200 * was registered with. All these functions are MPSAFE. 1201 */ 1202 if (pccard_mfc(pf->sc)) { 1203 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1204 if (reg & PCCARD_CCR_STATUS_INTR) 1205 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1206 reg & ~PCCARD_CCR_STATUS_INTR); 1207 else 1208 doisr = 0; 1209 } 1210 if (pf->intr_handler != NULL && doisr) 1211 pf->intr_handler(pf->intr_handler_arg); 1212} 1213 1214static int 1215pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1216 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1217{ 1218 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1219 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1220 struct pccard_function *pf = ivar->pf; 1221 int err; 1222 1223 if (pf->intr_handler != NULL) 1224 panic("Only one interrupt handler per function allowed"); 1225 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr, 1226 pf, cookiep); 1227 if (err != 0) 1228 return (err); 1229 pf->intr_handler = intr; 1230 pf->intr_handler_arg = arg; 1231 pf->intr_handler_cookie = *cookiep; 1232 if (pccard_mfc(sc)) { 1233 pccard_ccr_write(pf, PCCARD_CCR_OPTION, 1234 pccard_ccr_read(pf, PCCARD_CCR_OPTION) | 1235 PCCARD_CCR_OPTION_IREQ_ENABLE); 1236 } 1237 return (0); 1238} 1239 1240static int 1241pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1242 void *cookie) 1243{ 1244 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1245 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1246 struct pccard_function *pf = ivar->pf; 1247 int ret; 1248 1249 if (pccard_mfc(sc)) { 1250 pccard_ccr_write(pf, PCCARD_CCR_OPTION, 1251 pccard_ccr_read(pf, PCCARD_CCR_OPTION) & 1252 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1253 } 1254 ret = bus_generic_teardown_intr(dev, child, r, cookie); 1255 if (ret == 0) { 1256 pf->intr_handler = NULL; 1257 pf->intr_handler_arg = NULL; 1258 pf->intr_handler_cookie = NULL; 1259 } 1260 1261 return (ret); 1262} 1263 1264static int 1265pccard_activate_resource(device_t brdev, device_t child, int type, int rid, 1266 struct resource *r) 1267{ 1268 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1269 struct pccard_function *pf = ivar->pf; 1270 1271 switch(type) { 1272 case SYS_RES_IOPORT: 1273 /* 1274 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC 1275 * card. 1276 */ 1277 if (pccard_mfc(pf->sc)) 1278 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0, 1279 rman_get_size(r)); 1280 break; 1281 default: 1282 break; 1283 } 1284 return (bus_generic_activate_resource(brdev, child, type, rid, r)); 1285} 1286 1287static int 1288pccard_deactivate_resource(device_t brdev, device_t child, int type, 1289 int rid, struct resource *r) 1290{ 1291 /* XXX undo pccard_activate_resource? XXX */ 1292 return (bus_generic_deactivate_resource(brdev, child, type, rid, r)); 1293} 1294 1295static int 1296pccard_attr_read_impl(device_t brdev, device_t child, uint32_t offset, 1297 uint8_t *val) 1298{ 1299 struct pccard_ivar *devi = PCCARD_IVAR(child); 1300 struct pccard_function *pf = devi->pf; 1301 1302 /* 1303 * Optimization. Most of the time, devices want to access 1304 * the same page of the attribute memory that the CCR is in. 1305 * We take advantage of this fact here. 1306 */ 1307 if (offset / PCCARD_MEM_PAGE_SIZE == 1308 pf->ccr_base / PCCARD_MEM_PAGE_SIZE) 1309 *val = bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 1310 offset % PCCARD_MEM_PAGE_SIZE); 1311 else { 1312 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, offset, 1313 &offset); 1314 *val = bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, offset); 1315 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, pf->ccr_base, 1316 &offset); 1317 } 1318 return 0; 1319} 1320 1321static int 1322pccard_attr_write_impl(device_t brdev, device_t child, uint32_t offset, 1323 uint8_t val) 1324{ 1325 struct pccard_ivar *devi = PCCARD_IVAR(child); 1326 struct pccard_function *pf = devi->pf; 1327 1328 /* 1329 * Optimization. Most of the time, devices want to access 1330 * the same page of the attribute memory that the CCR is in. 1331 * We take advantage of this fact here. 1332 */ 1333 if (offset / PCCARD_MEM_PAGE_SIZE == 1334 pf->ccr_base / PCCARD_MEM_PAGE_SIZE) 1335 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 1336 offset % PCCARD_MEM_PAGE_SIZE, val); 1337 else { 1338 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, offset, 1339 &offset); 1340 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, offset, val); 1341 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, pf->ccr_base, 1342 &offset); 1343 } 1344 1345 return 0; 1346} 1347 1348static int 1349pccard_ccr_read_impl(device_t brdev, device_t child, uint32_t offset, 1350 uint8_t *val) 1351{ 1352 struct pccard_ivar *devi = PCCARD_IVAR(child); 1353 1354 *val = pccard_ccr_read(devi->pf, offset); 1355 device_printf(child, "ccr_read of %#x (%#x) is %#x\n", offset, 1356 devi->pf->pf_ccr_offset, *val); 1357 return 0; 1358} 1359 1360static int 1361pccard_ccr_write_impl(device_t brdev, device_t child, uint32_t offset, 1362 uint8_t val) 1363{ 1364 struct pccard_ivar *devi = PCCARD_IVAR(child); 1365 struct pccard_function *pf = devi->pf; 1366 1367 /* 1368 * Can't use pccard_ccr_write since client drivers may access 1369 * registers not contained in the 'mask' if they are non-standard. 1370 */ 1371 device_printf(child, "ccr_write of %#x to %#x (%#x)\n", val, offset, 1372 devi->pf->pf_ccr_offset); 1373 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, pf->pf_ccr_offset + offset, 1374 val); 1375 return 0; 1376} 1377 1378 1379static device_method_t pccard_methods[] = { 1380 /* Device interface */ 1381 DEVMETHOD(device_probe, pccard_probe), 1382 DEVMETHOD(device_attach, pccard_attach), 1383 DEVMETHOD(device_detach, pccard_detach), 1384 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1385 DEVMETHOD(device_suspend, pccard_suspend), 1386 DEVMETHOD(device_resume, pccard_resume), 1387 1388 /* Bus interface */ 1389 DEVMETHOD(bus_print_child, pccard_print_child), 1390 DEVMETHOD(bus_driver_added, pccard_driver_added), 1391 DEVMETHOD(bus_child_detached, pccard_child_detached), 1392 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1393 DEVMETHOD(bus_release_resource, pccard_release_resource), 1394 DEVMETHOD(bus_activate_resource, pccard_activate_resource), 1395 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource), 1396 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1397 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1398 DEVMETHOD(bus_set_resource, pccard_set_resource), 1399 DEVMETHOD(bus_get_resource, pccard_get_resource), 1400 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1401 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch), 1402 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1403 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str), 1404 DEVMETHOD(bus_child_location_str, pccard_child_location_str), 1405 1406 /* Card Interface */ 1407 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1408 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1409 DEVMETHOD(card_attach_card, pccard_attach_card), 1410 DEVMETHOD(card_detach_card, pccard_detach_card), 1411 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup), 1412 DEVMETHOD(card_cis_scan, pccard_scan_cis), 1413 DEVMETHOD(card_attr_read, pccard_attr_read_impl), 1414 DEVMETHOD(card_attr_write, pccard_attr_write_impl), 1415 DEVMETHOD(card_ccr_read, pccard_ccr_read_impl), 1416 DEVMETHOD(card_ccr_write, pccard_ccr_write_impl), 1417 1418 { 0, 0 } 1419}; 1420 1421static driver_t pccard_driver = { 1422 "pccard", 1423 pccard_methods, 1424 sizeof(struct pccard_softc) 1425}; 1426 1427devclass_t pccard_devclass; 1428 1429/* Maybe we need to have a slot device? */ 1430DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1431DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0); 1432MODULE_VERSION(pccard, 1); 1433