pccard.c revision 150362
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 150362 2005-09-20 06:47:33Z 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_compat_do_probe(device_t bus, device_t dev); 96static int pccard_compat_do_attach(device_t bus, device_t dev); 97static int pccard_add_children(device_t dev, int busno); 98static int pccard_probe(device_t dev); 99static int pccard_attach(device_t dev); 100static int pccard_detach(device_t dev); 101static void pccard_print_resources(struct resource_list *rl, 102 const char *name, int type, int count, const char *format); 103static int pccard_print_child(device_t dev, device_t child); 104static int pccard_set_resource(device_t dev, device_t child, int type, 105 int rid, u_long start, u_long count); 106static int pccard_get_resource(device_t dev, device_t child, int type, 107 int rid, u_long *startp, u_long *countp); 108static void pccard_delete_resource(device_t dev, device_t child, int type, 109 int rid); 110static int pccard_set_res_flags(device_t dev, device_t child, int type, 111 int rid, uint32_t flags); 112static int pccard_set_memory_offset(device_t dev, device_t child, int rid, 113 uint32_t offset, uint32_t *deltap); 114static void pccard_probe_nomatch(device_t cbdev, device_t child); 115static int pccard_read_ivar(device_t bus, device_t child, int which, 116 u_char *result); 117static void pccard_driver_added(device_t dev, driver_t *driver); 118static struct resource *pccard_alloc_resource(device_t dev, 119 device_t child, int type, int *rid, u_long start, 120 u_long end, u_long count, u_int flags); 121static int pccard_release_resource(device_t dev, device_t child, int type, 122 int rid, struct resource *r); 123static void pccard_child_detached(device_t parent, device_t dev); 124static void pccard_intr(void *arg); 125static int pccard_setup_intr(device_t dev, device_t child, 126 struct resource *irq, int flags, driver_intr_t *intr, 127 void *arg, void **cookiep); 128static int pccard_teardown_intr(device_t dev, device_t child, 129 struct resource *r, void *cookie); 130 131static const struct pccard_product * 132pccard_do_product_lookup(device_t bus, device_t dev, 133 const struct pccard_product *tab, size_t ent_size, 134 pccard_product_match_fn matchfn); 135 136 137static int 138pccard_ccr_read(struct pccard_function *pf, int ccr) 139{ 140 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 141 pf->pf_ccr_offset + ccr)); 142} 143 144static void 145pccard_ccr_write(struct pccard_function *pf, int ccr, int val) 146{ 147 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 148 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 149 pf->pf_ccr_offset + ccr, val); 150 } 151} 152 153static int 154pccard_set_default_descr(device_t dev) 155{ 156 const char *vendorstr, *prodstr; 157 uint32_t vendor, prod; 158 char *str; 159 160 if (pccard_get_vendor_str(dev, &vendorstr)) 161 return (0); 162 if (pccard_get_product_str(dev, &prodstr)) 163 return (0); 164 if (vendorstr != NULL && prodstr != NULL) { 165 str = malloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF, 166 M_WAITOK); 167 sprintf(str, "%s %s", vendorstr, prodstr); 168 device_set_desc_copy(dev, str); 169 free(str, M_DEVBUF); 170 } else { 171 if (pccard_get_vendor(dev, &vendor)) 172 return (0); 173 if (pccard_get_product(dev, &prod)) 174 return (0); 175 str = malloc(100, M_DEVBUF, M_WAITOK); 176 snprintf(str, 100, "vendor=0x%x product=0x%x", vendor, prod); 177 device_set_desc_copy(dev, str); 178 free(str, M_DEVBUF); 179 } 180 return (0); 181} 182 183static int 184pccard_attach_card(device_t dev) 185{ 186 struct pccard_softc *sc = PCCARD_SOFTC(dev); 187 struct pccard_function *pf; 188 struct pccard_ivar *ivar; 189 device_t child; 190 int i; 191 192 /* 193 * this is here so that when socket_enable calls gettype, trt happens 194 */ 195 STAILQ_INIT(&sc->card.pf_head); 196 197 DEVPRINTF((dev, "chip_socket_enable\n")); 198 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 199 200 DEVPRINTF((dev, "read_cis\n")); 201 pccard_read_cis(sc); 202 203 DEVPRINTF((dev, "check_cis_quirks\n")); 204 pccard_check_cis_quirks(dev); 205 206 /* 207 * bail now if the card has no functions, or if there was an error in 208 * the cis. 209 */ 210 211 if (sc->card.error) { 212 device_printf(dev, "CARD ERROR!\n"); 213 return (1); 214 } 215 if (STAILQ_EMPTY(&sc->card.pf_head)) { 216 device_printf(dev, "Card has no functions!\n"); 217 return (1); 218 } 219 220 if (bootverbose || pccard_debug) 221 pccard_print_cis(dev); 222 223 DEVPRINTF((dev, "functions scanning\n")); 224 i = -1; 225 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 226 i++; 227 if (STAILQ_EMPTY(&pf->cfe_head)) { 228 device_printf(dev, 229 "Function %d has no config entries.!\n", i); 230 continue; 231 } 232 pf->sc = sc; 233 pf->cfe = NULL; 234 pf->dev = NULL; 235 } 236 DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1, 237 pccard_mfc(sc))); 238 239 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 240 if (STAILQ_EMPTY(&pf->cfe_head)) 241 continue; 242 /* 243 * In NetBSD, the drivers are responsible for activating 244 * each function of a card. I think that in FreeBSD we 245 * want to activate them enough for the usual bus_*_resource 246 * routines will do the right thing. This many mean a 247 * departure from the current NetBSD model. 248 * 249 * This seems to work well in practice for most cards. 250 * However, there are two cases that are problematic. 251 * If a driver wishes to pick and chose which config 252 * entry to use, then this method falls down. These 253 * are usually older cards. In addition, there are 254 * some cards that have multiple hardware units on the 255 * cards, but presents only one CIS chain. These cards 256 * are combination cards, but only one of these units 257 * can be on at a time. 258 */ 259 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, 260 M_WAITOK | M_ZERO); 261 resource_list_init(&ivar->resources); 262 child = device_add_child(dev, NULL, -1); 263 device_set_ivars(child, ivar); 264 ivar->pf = pf; 265 pf->dev = child; 266 /* 267 * XXX We might want to move the next three lines into 268 * XXX the pccard interface layer. For the moment, this 269 * XXX is OK, but some drivers want to pick the config 270 * XXX entry to use as well as some address tweaks (mostly 271 * XXX due to bugs in decode logic that makes some 272 * XXX addresses illegal or broken). 273 */ 274 pccard_function_init(pf); 275 if (sc->sc_enabled_count == 0) 276 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 277 if (pccard_function_enable(pf) == 0 && 278 pccard_set_default_descr(child) == 0 && 279 device_probe_and_attach(child) == 0) { 280 DEVPRINTF((sc->dev, "function %d CCR at %d " 281 "offset %x mask %x: " 282 "%x %x %x %x, %x %x %x %x, %x\n", 283 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 284 pf->ccr_mask, pccard_ccr_read(pf, 0x00), 285 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 286 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 287 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 288 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 289 } else { 290 if (pf->cfe != NULL) 291 pccard_function_disable(pf); 292 } 293 } 294 return (0); 295} 296 297static int 298pccard_detach_card(device_t dev) 299{ 300 struct pccard_softc *sc = PCCARD_SOFTC(dev); 301 struct pccard_function *pf; 302 struct pccard_config_entry *cfe; 303 int state; 304 305 /* 306 * We are running on either the PCCARD socket's event thread 307 * or in user context detaching a device by user request. 308 */ 309 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 310 if (pf->dev == NULL) 311 continue; 312 state = device_get_state(pf->dev); 313 if (state == DS_ATTACHED || state == DS_BUSY) 314 device_detach(pf->dev); 315 if (pf->cfe != NULL) 316 pccard_function_disable(pf); 317 pccard_function_free(pf); 318 device_delete_child(dev, pf->dev); 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 return (0); 332} 333 334static const struct pccard_product * 335pccard_do_product_lookup(device_t bus, device_t dev, 336 const struct pccard_product *tab, size_t ent_size, 337 pccard_product_match_fn matchfn) 338{ 339 const struct pccard_product *ent; 340 int matches; 341 uint32_t vendor; 342 uint32_t prod; 343 const char *vendorstr; 344 const char *prodstr; 345 const char *cis3str; 346 const char *cis4str; 347 348#ifdef DIAGNOSTIC 349 if (sizeof *ent > ent_size) 350 panic("pccard_product_lookup: bogus ent_size %jd", 351 (intmax_t) ent_size); 352#endif 353 if (pccard_get_vendor(dev, &vendor)) 354 return (NULL); 355 if (pccard_get_product(dev, &prod)) 356 return (NULL); 357 if (pccard_get_vendor_str(dev, &vendorstr)) 358 return (NULL); 359 if (pccard_get_product_str(dev, &prodstr)) 360 return (NULL); 361 if (pccard_get_cis3_str(dev, &cis3str)) 362 return (NULL); 363 if (pccard_get_cis4_str(dev, &cis4str)) 364 return (NULL); 365 for (ent = tab; ent->pp_vendor != 0; ent = 366 (const struct pccard_product *) ((const char *) ent + ent_size)) { 367 matches = 1; 368 if (ent->pp_vendor == PCCARD_VENDOR_ANY && 369 ent->pp_product == PCCARD_PRODUCT_ANY && 370 ent->pp_cis[0] == NULL && 371 ent->pp_cis[1] == NULL) { 372 if (ent->pp_name) 373 device_printf(dev, 374 "Total wildcard entry ignored for %s\n", 375 ent->pp_name); 376 continue; 377 } 378 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 379 vendor != ent->pp_vendor) 380 matches = 0; 381 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 382 prod != ent->pp_product) 383 matches = 0; 384 if (matches && ent->pp_cis[0] && 385 (vendorstr == NULL || 386 strcmp(ent->pp_cis[0], vendorstr) != 0)) 387 matches = 0; 388 if (matches && ent->pp_cis[1] && 389 (prodstr == NULL || 390 strcmp(ent->pp_cis[1], prodstr) != 0)) 391 matches = 0; 392 if (matches && ent->pp_cis[2] && 393 (cis3str == NULL || 394 strcmp(ent->pp_cis[2], cis3str) != 0)) 395 matches = 0; 396 if (matches && ent->pp_cis[3] && 397 (cis4str == NULL || 398 strcmp(ent->pp_cis[3], cis4str) != 0)) 399 matches = 0; 400 if (matchfn != NULL) 401 matches = (*matchfn)(dev, ent, matches); 402 if (matches) 403 return (ent); 404 } 405 return (NULL); 406} 407 408/* 409 * Initialize a PCCARD function. May be called as long as the function is 410 * disabled. 411 * 412 * Note: pccard_function_init should not keep resources allocated. It should 413 * only set them up ala isa pnp, set the values in the rl lists, and return. 414 * Any resource held after pccard_function_init is called is a bug. However, 415 * the bus routines to get the resources also assume that pccard_function_init 416 * does this, so they need to be fixed too. 417 */ 418static void 419pccard_function_init(struct pccard_function *pf) 420{ 421 struct pccard_config_entry *cfe; 422 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 423 struct resource_list *rl = &devi->resources; 424 struct resource_list_entry *rle; 425 struct resource *r = 0; 426 device_t bus; 427 u_long start, end, len; 428 int i, rid, 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 if (cfe->iftype != PCCARD_IFTYPE_IO) 438 continue; 439 spaces = 0; 440 for (i = 0; i < cfe->num_iospace; i++) { 441 start = cfe->iospace[i].start; 442 if (start) 443 end = start + cfe->iospace[i].length - 1; 444 else 445 end = ~0UL; 446 DEVPRINTF((bus, "I/O rid %d start %lx end %lx\n", 447 i, start, end)); 448 rid = i; 449 len = cfe->iospace[i].length; 450 r = bus_alloc_resource(bus, SYS_RES_IOPORT, &rid, 451 start, end, len, rman_make_alignment_flags(len)); 452 if (r == NULL) 453 goto not_this_one; 454 rle = resource_list_add(rl, SYS_RES_IOPORT, 455 rid, rman_get_start(r), rman_get_end(r), 456 cfe->iospace[i].length); 457 if (rle == NULL) 458 panic("Cannot add resource rid %d IOPORT", rid); 459 rle->res = r; 460 spaces++; 461 } 462 for (i = 0; i < cfe->num_memspace; i++) { 463 start = cfe->memspace[i].hostaddr; 464 if (start) 465 end = start + cfe->memspace[i].length - 1; 466 else 467 end = ~0UL; 468 DEVPRINTF((bus, "Memory rid %d start %lx end %lx\n", 469 i, start, end)); 470 rid = i; 471 len = cfe->memspace[i].length; 472 r = bus_alloc_resource(bus, SYS_RES_MEMORY, &rid, 473 start, end, len, rman_make_alignment_flags(len)); 474 if (r == NULL) 475 goto not_this_one; 476 rle = resource_list_add(rl, SYS_RES_MEMORY, 477 rid, rman_get_start(r), rman_get_end(r), 478 cfe->memspace[i].length); 479 if (rle == NULL) 480 panic("Cannot add resource rid %d MEM", rid); 481 rle->res = r; 482 spaces++; 483 } 484 if (spaces == 0) { 485 DEVPRINTF((bus, "Neither memory nor I/O mapped\n")); 486 goto not_this_one; 487 } 488 if (cfe->irqmask) { 489 rid = 0; 490 r = bus_alloc_resource_any(bus, SYS_RES_IRQ, &rid, 491 RF_SHAREABLE); 492 if (r == NULL) 493 goto not_this_one; 494 rle = resource_list_add(rl, SYS_RES_IRQ, rid, 495 rman_get_start(r), rman_get_end(r), 1); 496 if (rle == NULL) 497 panic("Cannot add resource rid %d IRQ", rid); 498 rle->res = r; 499 } 500 /* If we get to here, we've allocated all we need */ 501 pf->cfe = cfe; 502 break; 503 not_this_one:; 504 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 505 cfe->number)); 506 resource_list_purge(rl); 507 } 508} 509 510/* 511 * Free resources allocated by pccard_function_init(), May be called as long 512 * as the function is disabled. 513 * 514 * NOTE: This function should be unnecessary. pccard_function_init should 515 * never keep resources initialized. 516 */ 517static void 518pccard_function_free(struct pccard_function *pf) 519{ 520 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 521 struct resource_list_entry *rle; 522 523 if (pf->pf_flags & PFF_ENABLED) { 524 printf("pccard_function_init: function is enabled"); 525 return; 526 } 527 528 STAILQ_FOREACH(rle, &devi->resources, link) { 529 if (rle->res) { 530 if (rman_get_device(rle->res) != pf->sc->dev) 531 device_printf(pf->sc->dev, 532 "function_free: Resource still owned by " 533 "child, oops. " 534 "(type=%d, rid=%d, addr=%lx)\n", 535 rle->type, rle->rid, 536 rman_get_start(rle->res)); 537 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 538 pf->sc->dev, rle->type, rle->rid, rle->res); 539 rle->res = NULL; 540 } 541 } 542 resource_list_free(&devi->resources); 543} 544 545static void 546pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr, 547 bus_addr_t offset, bus_size_t size) 548{ 549 bus_size_t iosize, tmp; 550 551 if (addr != 0) { 552 if (pf->pf_mfc_iomax == 0) { 553 pf->pf_mfc_iobase = addr + offset; 554 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 555 } else { 556 /* this makes the assumption that nothing overlaps */ 557 if (pf->pf_mfc_iobase > addr + offset) 558 pf->pf_mfc_iobase = addr + offset; 559 if (pf->pf_mfc_iomax < addr + offset + size) 560 pf->pf_mfc_iomax = addr + offset + size; 561 } 562 } 563 564 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 565 /* round up to nearest (2^n)-1 */ 566 for (iosize = 1; iosize < tmp; iosize <<= 1) 567 ; 568 iosize--; 569 570 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n", 571 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1))); 572 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 573 pf->pf_mfc_iobase & 0xff); 574 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 575 (pf->pf_mfc_iobase >> 8) & 0xff); 576 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 577 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 578 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 579} 580 581/* Enable a PCCARD function */ 582static int 583pccard_function_enable(struct pccard_function *pf) 584{ 585 struct pccard_function *tmp; 586 int reg; 587 device_t dev = pf->sc->dev; 588 589 if (pf->cfe == NULL) { 590 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 591 return (ENOMEM); 592 } 593 594 /* 595 * Increase the reference count on the socket, enabling power, if 596 * necessary. 597 */ 598 pf->sc->sc_enabled_count++; 599 600 if (pf->pf_flags & PFF_ENABLED) { 601 /* 602 * Don't do anything if we're already enabled. 603 */ 604 return (0); 605 } 606 607 /* 608 * it's possible for different functions' CCRs to be in the same 609 * underlying page. Check for that. 610 */ 611 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 612 if ((tmp->pf_flags & PFF_ENABLED) && 613 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 614 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 615 (tmp->ccr_base - tmp->pf_ccr_offset + 616 tmp->pf_ccr_realsize))) { 617 pf->pf_ccrt = tmp->pf_ccrt; 618 pf->pf_ccrh = tmp->pf_ccrh; 619 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 620 621 /* 622 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 623 * tmp->ccr_base) + pf->ccr_base; 624 */ 625 /* pf->pf_ccr_offset = 626 (tmp->pf_ccr_offset + pf->ccr_base) - 627 tmp->ccr_base; */ 628 pf->pf_ccr_window = tmp->pf_ccr_window; 629 break; 630 } 631 } 632 if (tmp == NULL) { 633 pf->ccr_rid = 0; 634 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 635 &pf->ccr_rid, 0, ~0, PCCARD_MEM_PAGE_SIZE, RF_ACTIVE); 636 if (!pf->ccr_res) 637 goto bad; 638 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n", 639 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 640 pf->ccr_base)); 641 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 642 pf->ccr_rid, PCCARD_A_MEM_ATTR); 643 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 644 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 645 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 646 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 647 pf->pf_ccr_realsize = 1; 648 } 649 650 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 651 reg |= PCCARD_CCR_OPTION_LEVIREQ; 652 if (pccard_mfc(pf->sc)) { 653 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 654 PCCARD_CCR_OPTION_ADDR_DECODE); 655 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 656 } 657 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 658 659 reg = 0; 660 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 661 reg |= PCCARD_CCR_STATUS_IOIS8; 662 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 663 reg |= PCCARD_CCR_STATUS_AUDIO; 664 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 665 666 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 667 668 if (pccard_mfc(pf->sc)) 669 pccard_mfc_adjust_iobase(pf, 0, 0, 0); 670 671#ifdef PCCARDDEBUG 672 if (pccard_debug) { 673 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 674 device_printf(tmp->sc->dev, 675 "function %d CCR at %d offset %x: " 676 "%x %x %x %x, %x %x %x %x, %x\n", 677 tmp->number, tmp->pf_ccr_window, 678 tmp->pf_ccr_offset, 679 pccard_ccr_read(tmp, 0x00), 680 pccard_ccr_read(tmp, 0x02), 681 pccard_ccr_read(tmp, 0x04), 682 pccard_ccr_read(tmp, 0x06), 683 pccard_ccr_read(tmp, 0x0A), 684 pccard_ccr_read(tmp, 0x0C), 685 pccard_ccr_read(tmp, 0x0E), 686 pccard_ccr_read(tmp, 0x10), 687 pccard_ccr_read(tmp, 0x12)); 688 } 689 } 690#endif 691 pf->pf_flags |= PFF_ENABLED; 692 return (0); 693 694 bad: 695 /* 696 * Decrement the reference count, and power down the socket, if 697 * necessary. 698 */ 699 pf->sc->sc_enabled_count--; 700 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 701 702 return (1); 703} 704 705/* Disable PCCARD function. */ 706static void 707pccard_function_disable(struct pccard_function *pf) 708{ 709 struct pccard_function *tmp; 710 device_t dev = pf->sc->dev; 711 712 if (pf->cfe == NULL) 713 panic("pccard_function_disable: function not initialized"); 714 715 if ((pf->pf_flags & PFF_ENABLED) == 0) { 716 /* 717 * Don't do anything if we're already disabled. 718 */ 719 return; 720 } 721 722 if (pf->intr_handler != NULL) { 723 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 724 struct resource_list_entry *rle = 725 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 726 if (rle == NULL) 727 panic("Can't disable an interrupt with no IRQ res\n"); 728 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 729 pf->intr_handler_cookie); 730 } 731 732 /* 733 * it's possible for different functions' CCRs to be in the same 734 * underlying page. Check for that. Note we mark us as disabled 735 * first to avoid matching ourself. 736 */ 737 738 pf->pf_flags &= ~PFF_ENABLED; 739 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 740 if ((tmp->pf_flags & PFF_ENABLED) && 741 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 742 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 743 (tmp->ccr_base - tmp->pf_ccr_offset + 744 tmp->pf_ccr_realsize))) 745 break; 746 } 747 748 /* Not used by anyone else; unmap the CCR. */ 749 if (tmp == NULL) { 750 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 751 pf->ccr_res); 752 pf->ccr_res = NULL; 753 } 754 755 /* 756 * Decrement the reference count, and power down the socket, if 757 * necessary. 758 */ 759 pf->sc->sc_enabled_count--; 760} 761 762/* 763 * simulate the old "probe" routine. In the new world order, the driver 764 * needs to grab devices while in the old they were assigned to the device by 765 * the pccardd process. These symbols are exported to the upper layers. 766 */ 767static int 768pccard_compat_do_probe(device_t bus, device_t dev) 769{ 770 return (CARD_COMPAT_MATCH(dev)); 771} 772 773static int 774pccard_compat_do_attach(device_t bus, device_t dev) 775{ 776 int err; 777 778 err = CARD_COMPAT_PROBE(dev); 779 if (err <= 0) 780 err = CARD_COMPAT_ATTACH(dev); 781 return (err); 782} 783 784#define PCCARD_NPORT 2 785#define PCCARD_NMEM 5 786#define PCCARD_NIRQ 1 787#define PCCARD_NDRQ 0 788 789static int 790pccard_add_children(device_t dev, int busno) 791{ 792 /* Call parent to scan for any current children */ 793 return (0); 794} 795 796static int 797pccard_probe(device_t dev) 798{ 799 device_set_desc(dev, "16-bit PCCard bus"); 800 return (pccard_add_children(dev, device_get_unit(dev))); 801} 802 803static int 804pccard_attach(device_t dev) 805{ 806 struct pccard_softc *sc = PCCARD_SOFTC(dev); 807 int err; 808 809 sc->dev = dev; 810 sc->sc_enabled_count = 0; 811 if ((err = pccard_device_create(sc)) != 0) 812 return (err); 813 return (bus_generic_attach(dev)); 814} 815 816static int 817pccard_detach(device_t dev) 818{ 819 pccard_detach_card(dev); 820 pccard_device_destroy(device_get_softc(dev)); 821 return (0); 822} 823 824static int 825pccard_suspend(device_t self) 826{ 827 pccard_detach_card(self); 828 return (0); 829} 830 831static 832int 833pccard_resume(device_t self) 834{ 835 return (0); 836} 837 838static void 839pccard_print_resources(struct resource_list *rl, const char *name, int type, 840 int count, const char *format) 841{ 842 struct resource_list_entry *rle; 843 int printed; 844 int i; 845 846 printed = 0; 847 for (i = 0; i < count; i++) { 848 rle = resource_list_find(rl, type, i); 849 if (rle != NULL) { 850 if (printed == 0) 851 printf(" %s ", name); 852 else if (printed > 0) 853 printf(","); 854 printed++; 855 printf(format, rle->start); 856 if (rle->count > 1) { 857 printf("-"); 858 printf(format, rle->start + rle->count - 1); 859 } 860 } else if (i > 3) { 861 /* check the first few regardless */ 862 break; 863 } 864 } 865} 866 867static int 868pccard_print_child(device_t dev, device_t child) 869{ 870 struct pccard_ivar *devi = PCCARD_IVAR(child); 871 struct resource_list *rl = &devi->resources; 872 int retval = 0; 873 874 retval += bus_print_child_header(dev, child); 875 retval += printf(" at"); 876 877 if (devi != NULL) { 878 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 879 PCCARD_NPORT, "%#lx"); 880 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 881 PCCARD_NMEM, "%#lx"); 882 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 883 "%ld"); 884 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 885 "%ld"); 886 retval += printf(" function %d config %d", devi->pf->number, 887 devi->pf->cfe->number); 888 } 889 890 retval += bus_print_child_footer(dev, child); 891 892 return (retval); 893} 894 895static int 896pccard_set_resource(device_t dev, device_t child, int type, int rid, 897 u_long start, u_long count) 898{ 899 struct pccard_ivar *devi = PCCARD_IVAR(child); 900 struct resource_list *rl = &devi->resources; 901 902 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 903 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 904 return (EINVAL); 905 if (rid < 0) 906 return (EINVAL); 907 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 908 return (EINVAL); 909 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 910 return (EINVAL); 911 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 912 return (EINVAL); 913 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 914 return (EINVAL); 915 916 resource_list_add(rl, type, rid, start, start + count - 1, count); 917 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 918 type, &rid, start, start + count - 1, count, 0)) 919 return 0; 920 else 921 return ENOMEM; 922} 923 924static int 925pccard_get_resource(device_t dev, device_t child, int type, int rid, 926 u_long *startp, u_long *countp) 927{ 928 struct pccard_ivar *devi = PCCARD_IVAR(child); 929 struct resource_list *rl = &devi->resources; 930 struct resource_list_entry *rle; 931 932 rle = resource_list_find(rl, type, rid); 933 if (rle == NULL) 934 return (ENOENT); 935 936 if (startp != NULL) 937 *startp = rle->start; 938 if (countp != NULL) 939 *countp = rle->count; 940 941 return (0); 942} 943 944static void 945pccard_delete_resource(device_t dev, device_t child, int type, int rid) 946{ 947 struct pccard_ivar *devi = PCCARD_IVAR(child); 948 struct resource_list *rl = &devi->resources; 949 resource_list_delete(rl, type, rid); 950} 951 952static int 953pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 954 uint32_t flags) 955{ 956 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 957 rid, flags)); 958} 959 960static int 961pccard_set_memory_offset(device_t dev, device_t child, int rid, 962 uint32_t offset, uint32_t *deltap) 963 964{ 965 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 966 offset, deltap)); 967} 968 969static void 970pccard_probe_nomatch(device_t bus, device_t child) 971{ 972 struct pccard_ivar *devi = PCCARD_IVAR(child); 973 struct pccard_function *pf = devi->pf; 974 struct pccard_softc *sc = PCCARD_SOFTC(bus); 975 int i; 976 977 device_printf(bus, "<unknown card>"); 978 printf(" (manufacturer=0x%04x, product=0x%04x, function_type=%d) " 979 "at function %d\n", sc->card.manufacturer, sc->card.product, 980 pf->function, pf->number); 981 device_printf(bus, " CIS info: "); 982 for (i = 0; sc->card.cis1_info[i] != NULL && i < 4; i++) 983 printf("%s%s", i > 0 ? ", " : "", sc->card.cis1_info[i]); 984 printf("\n"); 985 return; 986} 987 988static int 989pccard_child_location_str(device_t bus, device_t child, char *buf, 990 size_t buflen) 991{ 992 struct pccard_ivar *devi = PCCARD_IVAR(child); 993 struct pccard_function *pf = devi->pf; 994 995 snprintf(buf, buflen, "function=%d", pf->number); 996 return (0); 997} 998 999/* XXX Maybe this should be in subr_bus? */ 1000static void 1001pccard_safe_quote(char *dst, const char *src, size_t len) 1002{ 1003 char *walker = dst, *ep = dst + len - 1; 1004 1005 if (len == 0) 1006 return; 1007 while (walker < ep) 1008 { 1009 if (*src == '"') { 1010 if (ep - walker < 2) 1011 break; 1012 *walker++ = '\\'; 1013 } 1014 *walker++ = *src++; 1015 } 1016 *walker = '\0'; 1017} 1018 1019static int 1020pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf, 1021 size_t buflen) 1022{ 1023 struct pccard_ivar *devi = PCCARD_IVAR(child); 1024 struct pccard_function *pf = devi->pf; 1025 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1026 char cis0[128], cis1[128]; 1027 1028 pccard_safe_quote(cis0, sc->card.cis1_info[0], sizeof(cis0)); 1029 pccard_safe_quote(cis1, sc->card.cis1_info[1], sizeof(cis1)); 1030 snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x " 1031 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d", 1032 sc->card.manufacturer, sc->card.product, cis0, cis1, pf->function); 1033 return (0); 1034} 1035 1036static int 1037pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 1038{ 1039 struct pccard_ivar *devi = PCCARD_IVAR(child); 1040 struct pccard_function *pf = devi->pf; 1041 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1042 1043 if (!pf) 1044 panic("No pccard function pointer"); 1045 switch (which) { 1046 default: 1047 return (EINVAL); 1048 case PCCARD_IVAR_ETHADDR: 1049 bcopy(pf->pf_funce_lan_nid, result, ETHER_ADDR_LEN); 1050 break; 1051 case PCCARD_IVAR_VENDOR: 1052 *(uint32_t *)result = sc->card.manufacturer; 1053 break; 1054 case PCCARD_IVAR_PRODUCT: 1055 *(uint32_t *)result = sc->card.product; 1056 break; 1057 case PCCARD_IVAR_PRODEXT: 1058 *(uint16_t *)result = sc->card.prodext; 1059 break; 1060 case PCCARD_IVAR_FUNCTION: 1061 *(uint32_t *)result = pf->function; 1062 break; 1063 case PCCARD_IVAR_FUNCTION_NUMBER: 1064 *(uint32_t *)result = pf->number; 1065 break; 1066 case PCCARD_IVAR_VENDOR_STR: 1067 *(const char **)result = sc->card.cis1_info[0]; 1068 break; 1069 case PCCARD_IVAR_PRODUCT_STR: 1070 *(const char **)result = sc->card.cis1_info[1]; 1071 break; 1072 case PCCARD_IVAR_CIS3_STR: 1073 *(const char **)result = sc->card.cis1_info[2]; 1074 break; 1075 case PCCARD_IVAR_CIS4_STR: 1076 *(const char **)result = sc->card.cis1_info[3]; 1077 break; 1078 } 1079 return (0); 1080} 1081 1082static void 1083pccard_driver_added(device_t dev, driver_t *driver) 1084{ 1085 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1086 struct pccard_function *pf; 1087 device_t child; 1088 1089 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 1090 if (STAILQ_EMPTY(&pf->cfe_head)) 1091 continue; 1092 child = pf->dev; 1093 if (device_get_state(child) != DS_NOTPRESENT) 1094 continue; 1095 if (pccard_function_enable(pf) == 0 && 1096 device_probe_and_attach(child) == 0) { 1097 DEVPRINTF((sc->dev, "function %d CCR at %d " 1098 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 1099 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 1100 pccard_ccr_read(pf, 0x00), 1101 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 1102 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 1103 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 1104 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 1105 } else { 1106 if (pf->cfe != NULL) 1107 pccard_function_disable(pf); 1108 } 1109 } 1110 return; 1111} 1112 1113static struct resource * 1114pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1115 u_long start, u_long end, u_long count, u_int flags) 1116{ 1117 struct pccard_ivar *dinfo; 1118 struct resource_list_entry *rle = 0; 1119 int passthrough = (device_get_parent(child) != dev); 1120 int isdefault = (start == 0 && end == ~0UL && count == 1); 1121 struct resource *r = NULL; 1122 1123 /* XXX I'm no longer sure this is right */ 1124 if (passthrough) { 1125 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1126 type, rid, start, end, count, flags)); 1127 } 1128 1129 dinfo = device_get_ivars(child); 1130 rle = resource_list_find(&dinfo->resources, type, *rid); 1131 1132 if (rle == NULL && isdefault) 1133 return (NULL); /* no resource of that type/rid */ 1134 if (rle == NULL || rle->res == NULL) { 1135 /* XXX Need to adjust flags */ 1136 r = bus_alloc_resource(dev, type, rid, start, end, 1137 count, flags); 1138 if (r == NULL) 1139 goto bad; 1140 resource_list_add(&dinfo->resources, type, *rid, 1141 rman_get_start(r), rman_get_end(r), count); 1142 rle = resource_list_find(&dinfo->resources, type, *rid); 1143 if (!rle) 1144 goto bad; 1145 rle->res = r; 1146 } 1147 /* 1148 * If dev doesn't own the device, then we can't give this device 1149 * out. 1150 */ 1151 if (rman_get_device(rle->res) != dev) 1152 return (NULL); 1153 rman_set_device(rle->res, child); 1154 if (flags & RF_ACTIVE) 1155 BUS_ACTIVATE_RESOURCE(dev, child, type, *rid, rle->res); 1156 return (rle->res); 1157bad:; 1158 device_printf(dev, "WARNING: Resource not reserved by pccard\n"); 1159 return (NULL); 1160} 1161 1162static int 1163pccard_release_resource(device_t dev, device_t child, int type, int rid, 1164 struct resource *r) 1165{ 1166 struct pccard_ivar *dinfo; 1167 int passthrough = (device_get_parent(child) != dev); 1168 struct resource_list_entry *rle = 0; 1169 1170 if (passthrough) 1171 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1172 type, rid, r); 1173 1174 dinfo = device_get_ivars(child); 1175 1176 rle = resource_list_find(&dinfo->resources, type, rid); 1177 1178 if (!rle) { 1179 device_printf(dev, "Allocated resource not found, " 1180 "%d %x %lx %lx\n", 1181 type, rid, rman_get_start(r), rman_get_size(r)); 1182 return ENOENT; 1183 } 1184 if (!rle->res) { 1185 device_printf(dev, "Allocated resource not recorded\n"); 1186 return ENOENT; 1187 } 1188 /* 1189 * Deactivate the resource (since it is being released), and 1190 * assign it to the bus. 1191 */ 1192 BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, rle->res); 1193 rman_set_device(rle->res, dev); 1194 return (0); 1195} 1196 1197static void 1198pccard_child_detached(device_t parent, device_t dev) 1199{ 1200 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1201 struct pccard_function *pf = ivar->pf; 1202 1203 pccard_function_disable(pf); 1204} 1205 1206static void 1207pccard_intr(void *arg) 1208{ 1209 struct pccard_function *pf = (struct pccard_function*) arg; 1210 int reg; 1211 int doisr = 1; 1212 1213 /* 1214 * MFC cards know if they interrupted, so we have to ack the 1215 * interrupt and call the ISR. Non-MFC cards don't have these 1216 * bits, so they always get called. Many non-MFC cards have 1217 * this bit set always upon read, but some do not. 1218 * 1219 * We always ack the interrupt, even if there's no ISR 1220 * for the card. This is done on the theory that acking 1221 * the interrupt will pacify the card enough to keep an 1222 * interrupt storm from happening. Of course this won't 1223 * help in the non-MFC case. 1224 * 1225 * This has no impact for MPSAFEness of the client drivers. 1226 * We register this with whatever flags the intr_handler 1227 * was registered with. All these functions are MPSAFE. 1228 */ 1229 if (pccard_mfc(pf->sc)) { 1230 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1231 if (reg & PCCARD_CCR_STATUS_INTR) 1232 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1233 reg & ~PCCARD_CCR_STATUS_INTR); 1234 else 1235 doisr = 0; 1236 } 1237 if (pf->intr_handler != NULL && doisr) 1238 pf->intr_handler(pf->intr_handler_arg); 1239} 1240 1241static int 1242pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1243 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1244{ 1245 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1246 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1247 struct pccard_function *pf = ivar->pf; 1248 int err; 1249 1250 if (pf->intr_handler != NULL) 1251 panic("Only one interrupt handler per function allowed"); 1252 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr, 1253 pf, cookiep); 1254 if (err != 0) 1255 return (err); 1256 pf->intr_handler = intr; 1257 pf->intr_handler_arg = arg; 1258 pf->intr_handler_cookie = *cookiep; 1259 if (pccard_mfc(sc)) { 1260 pccard_ccr_write(pf, PCCARD_CCR_OPTION, 1261 pccard_ccr_read(pf, PCCARD_CCR_OPTION) | 1262 PCCARD_CCR_OPTION_IREQ_ENABLE); 1263 } 1264 return (0); 1265} 1266 1267static int 1268pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1269 void *cookie) 1270{ 1271 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1272 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1273 struct pccard_function *pf = ivar->pf; 1274 int ret; 1275 1276 if (pccard_mfc(sc)) { 1277 pccard_ccr_write(pf, PCCARD_CCR_OPTION, 1278 pccard_ccr_read(pf, PCCARD_CCR_OPTION) & 1279 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1280 } 1281 ret = bus_generic_teardown_intr(dev, child, r, cookie); 1282 if (ret == 0) { 1283 pf->intr_handler = NULL; 1284 pf->intr_handler_arg = NULL; 1285 pf->intr_handler_cookie = NULL; 1286 } 1287 1288 return (ret); 1289} 1290 1291static int 1292pccard_activate_resource(device_t brdev, device_t child, int type, int rid, 1293 struct resource *r) 1294{ 1295 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1296 struct pccard_function *pf = ivar->pf; 1297 1298 switch(type) { 1299 case SYS_RES_IOPORT: 1300 /* 1301 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC 1302 * card. 1303 */ 1304 if (pccard_mfc(pf->sc)) 1305 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0, 1306 rman_get_size(r)); 1307 break; 1308 default: 1309 break; 1310 } 1311 return (bus_generic_activate_resource(brdev, child, type, rid, r)); 1312} 1313 1314static int 1315pccard_deactivate_resource(device_t brdev, device_t child, int type, 1316 int rid, struct resource *r) 1317{ 1318 /* XXX undo pccard_activate_resource? XXX */ 1319 return (bus_generic_deactivate_resource(brdev, child, type, rid, r)); 1320} 1321 1322static int 1323pccard_attr_read_impl(device_t brdev, device_t child, uint32_t offset, 1324 uint8_t *val) 1325{ 1326 struct pccard_ivar *devi = PCCARD_IVAR(child); 1327 struct pccard_function *pf = devi->pf; 1328 1329 /* 1330 * Optimization. Most of the time, devices want to access 1331 * the same page of the attribute memory that the CCR is in. 1332 * We take advantage of this fact here. 1333 */ 1334 if (offset / PCCARD_MEM_PAGE_SIZE == 1335 pf->ccr_base / PCCARD_MEM_PAGE_SIZE) 1336 *val = bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 1337 offset % PCCARD_MEM_PAGE_SIZE); 1338 else { 1339 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, offset, 1340 &offset); 1341 *val = bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, offset); 1342 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, pf->ccr_base, 1343 &offset); 1344 } 1345 return 0; 1346} 1347 1348static int 1349pccard_attr_write_impl(device_t brdev, device_t child, uint32_t offset, 1350 uint8_t val) 1351{ 1352 struct pccard_ivar *devi = PCCARD_IVAR(child); 1353 struct pccard_function *pf = devi->pf; 1354 1355 /* 1356 * Optimization. Most of the time, devices want to access 1357 * the same page of the attribute memory that the CCR is in. 1358 * We take advantage of this fact here. 1359 */ 1360 if (offset / PCCARD_MEM_PAGE_SIZE == 1361 pf->ccr_base / PCCARD_MEM_PAGE_SIZE) 1362 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 1363 offset % PCCARD_MEM_PAGE_SIZE, val); 1364 else { 1365 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, offset, 1366 &offset); 1367 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, offset, val); 1368 CARD_SET_MEMORY_OFFSET(brdev, child, pf->ccr_rid, pf->ccr_base, 1369 &offset); 1370 } 1371 1372 return 0; 1373} 1374 1375static int 1376pccard_ccr_read_impl(device_t brdev, device_t child, uint32_t offset, 1377 uint8_t *val) 1378{ 1379 struct pccard_ivar *devi = PCCARD_IVAR(child); 1380 1381 *val = pccard_ccr_read(devi->pf, offset); 1382 device_printf(child, "ccr_read of %#x (%#x) is %#x\n", offset, 1383 devi->pf->pf_ccr_offset, *val); 1384 return 0; 1385} 1386 1387static int 1388pccard_ccr_write_impl(device_t brdev, device_t child, uint32_t offset, 1389 uint8_t val) 1390{ 1391 struct pccard_ivar *devi = PCCARD_IVAR(child); 1392 struct pccard_function *pf = devi->pf; 1393 1394 /* 1395 * Can't use pccard_ccr_write since client drivers may access 1396 * registers not contained in the 'mask' if they are non-standard. 1397 */ 1398 device_printf(child, "ccr_write of %#x to %#x (%#x)\n", val, offset, 1399 devi->pf->pf_ccr_offset); 1400 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, pf->pf_ccr_offset + offset, 1401 val); 1402 return 0; 1403} 1404 1405 1406static device_method_t pccard_methods[] = { 1407 /* Device interface */ 1408 DEVMETHOD(device_probe, pccard_probe), 1409 DEVMETHOD(device_attach, pccard_attach), 1410 DEVMETHOD(device_detach, pccard_detach), 1411 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1412 DEVMETHOD(device_suspend, pccard_suspend), 1413 DEVMETHOD(device_resume, pccard_resume), 1414 1415 /* Bus interface */ 1416 DEVMETHOD(bus_print_child, pccard_print_child), 1417 DEVMETHOD(bus_driver_added, pccard_driver_added), 1418 DEVMETHOD(bus_child_detached, pccard_child_detached), 1419 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1420 DEVMETHOD(bus_release_resource, pccard_release_resource), 1421 DEVMETHOD(bus_activate_resource, pccard_activate_resource), 1422 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource), 1423 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1424 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1425 DEVMETHOD(bus_set_resource, pccard_set_resource), 1426 DEVMETHOD(bus_get_resource, pccard_get_resource), 1427 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1428 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch), 1429 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1430 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str), 1431 DEVMETHOD(bus_child_location_str, pccard_child_location_str), 1432 1433 /* Card Interface */ 1434 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1435 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1436 DEVMETHOD(card_attach_card, pccard_attach_card), 1437 DEVMETHOD(card_detach_card, pccard_detach_card), 1438 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup), 1439 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe), 1440 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach), 1441 DEVMETHOD(card_cis_scan, pccard_scan_cis), 1442 DEVMETHOD(card_attr_read, pccard_attr_read_impl), 1443 DEVMETHOD(card_attr_write, pccard_attr_write_impl), 1444 DEVMETHOD(card_ccr_read, pccard_ccr_read_impl), 1445 DEVMETHOD(card_ccr_write, pccard_ccr_write_impl), 1446 1447 { 0, 0 } 1448}; 1449 1450static driver_t pccard_driver = { 1451 "pccard", 1452 pccard_methods, 1453 sizeof(struct pccard_softc) 1454}; 1455 1456devclass_t pccard_devclass; 1457 1458/* Maybe we need to have a slot device? */ 1459DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1460DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0); 1461MODULE_VERSION(pccard, 1); 1462