pccard.c revision 144930
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 144930 2005-04-12 06:00:06Z 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/pccard_cis.h> 54 55#include "power_if.h" 56#include "card_if.h" 57 58#define PCCARDDEBUG 59 60/* sysctl vars */ 61SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters"); 62 63int pccard_debug = 0; 64TUNABLE_INT("hw.pccard.debug", &pccard_debug); 65SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW, 66 &pccard_debug, 0, 67 "pccard debug"); 68 69int pccard_cis_debug = 0; 70TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug); 71SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW, 72 &pccard_cis_debug, 0, "pccard CIS debug"); 73 74#ifdef PCCARDDEBUG 75#define DPRINTF(arg) if (pccard_debug) printf arg 76#define DEVPRINTF(arg) if (pccard_debug) device_printf arg 77#define PRVERBOSE(arg) printf arg 78#define DEVPRVERBOSE(arg) device_printf arg 79#else 80#define DPRINTF(arg) 81#define DEVPRINTF(arg) 82#define PRVERBOSE(arg) if (bootverbose) printf arg 83#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg 84#endif 85 86static int pccard_ccr_read(struct pccard_function *pf, int ccr); 87static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val); 88static int pccard_attach_card(device_t dev); 89static int pccard_detach_card(device_t dev); 90static void pccard_function_init(struct pccard_function *pf); 91static void pccard_function_free(struct pccard_function *pf); 92static int pccard_function_enable(struct pccard_function *pf); 93static void pccard_function_disable(struct pccard_function *pf); 94static int pccard_compat_do_probe(device_t bus, device_t dev); 95static int pccard_compat_do_attach(device_t bus, device_t dev); 96static int pccard_add_children(device_t dev, int busno); 97static int pccard_probe(device_t dev); 98static int pccard_attach(device_t dev); 99static int pccard_detach(device_t dev); 100static void pccard_print_resources(struct resource_list *rl, 101 const char *name, int type, int count, const char *format); 102static int pccard_print_child(device_t dev, device_t child); 103static int pccard_set_resource(device_t dev, device_t child, int type, 104 int rid, u_long start, u_long count); 105static int pccard_get_resource(device_t dev, device_t child, int type, 106 int rid, u_long *startp, u_long *countp); 107static void pccard_delete_resource(device_t dev, device_t child, int type, 108 int rid); 109static int pccard_set_res_flags(device_t dev, device_t child, int type, 110 int rid, uint32_t flags); 111static int pccard_set_memory_offset(device_t dev, device_t child, int rid, 112 uint32_t offset, uint32_t *deltap); 113static void pccard_probe_nomatch(device_t cbdev, device_t child); 114static int pccard_read_ivar(device_t bus, device_t child, int which, 115 u_char *result); 116static void pccard_driver_added(device_t dev, driver_t *driver); 117static struct resource *pccard_alloc_resource(device_t dev, 118 device_t child, int type, int *rid, u_long start, 119 u_long end, u_long count, u_int flags); 120static int pccard_release_resource(device_t dev, device_t child, int type, 121 int rid, struct resource *r); 122static void pccard_child_detached(device_t parent, device_t dev); 123static void pccard_intr(void *arg); 124static int pccard_setup_intr(device_t dev, device_t child, 125 struct resource *irq, int flags, driver_intr_t *intr, 126 void *arg, void **cookiep); 127static int pccard_teardown_intr(device_t dev, device_t child, 128 struct resource *r, void *cookie); 129 130static const struct pccard_product * 131pccard_do_product_lookup(device_t bus, device_t dev, 132 const struct pccard_product *tab, size_t ent_size, 133 pccard_product_match_fn matchfn); 134 135 136static int 137pccard_ccr_read(struct pccard_function *pf, int ccr) 138{ 139 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 140 pf->pf_ccr_offset + ccr)); 141} 142 143static void 144pccard_ccr_write(struct pccard_function *pf, int ccr, int val) 145{ 146 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 147 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 148 pf->pf_ccr_offset + ccr, val); 149 } 150} 151 152static int 153pccard_set_default_descr(device_t dev) 154{ 155 const char *vendorstr, *prodstr; 156 uint32_t vendor, prod; 157 char *str; 158 159 if (pccard_get_vendor_str(dev, &vendorstr)) 160 return (0); 161 if (pccard_get_product_str(dev, &prodstr)) 162 return (0); 163 if (vendorstr != NULL && prodstr != NULL) { 164 str = malloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF, 165 M_WAITOK); 166 sprintf(str, "%s %s", vendorstr, prodstr); 167 device_set_desc_copy(dev, str); 168 free(str, M_DEVBUF); 169 } else { 170 if (pccard_get_vendor(dev, &vendor)) 171 return (0); 172 if (pccard_get_product(dev, &prod)) 173 return (0); 174 str = malloc(100, M_DEVBUF, M_WAITOK); 175 snprintf(str, 100, "vendor=0x%x product=0x%x", vendor, prod); 176 device_set_desc_copy(dev, str); 177 free(str, M_DEVBUF); 178 } 179 return (0); 180} 181 182static int 183pccard_attach_card(device_t dev) 184{ 185 struct pccard_softc *sc = PCCARD_SOFTC(dev); 186 struct pccard_function *pf; 187 struct pccard_ivar *ivar; 188 device_t child; 189 int i; 190 191 /* 192 * this is here so that when socket_enable calls gettype, trt happens 193 */ 194 STAILQ_INIT(&sc->card.pf_head); 195 196 DEVPRINTF((dev, "chip_socket_enable\n")); 197 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 198 199 DEVPRINTF((dev, "read_cis\n")); 200 pccard_read_cis(sc); 201 202 DEVPRINTF((dev, "check_cis_quirks\n")); 203 pccard_check_cis_quirks(dev); 204 205 /* 206 * bail now if the card has no functions, or if there was an error in 207 * the cis. 208 */ 209 210 if (sc->card.error) { 211 device_printf(dev, "CARD ERROR!\n"); 212 return (1); 213 } 214 if (STAILQ_EMPTY(&sc->card.pf_head)) { 215 device_printf(dev, "Card has no functions!\n"); 216 return (1); 217 } 218 219 if (bootverbose || pccard_debug) 220 pccard_print_cis(dev); 221 222 DEVPRINTF((dev, "functions scanning\n")); 223 i = -1; 224 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 225 i++; 226 if (STAILQ_EMPTY(&pf->cfe_head)) { 227 device_printf(dev, 228 "Function %d has no config entries.!\n", i); 229 continue; 230 } 231 pf->sc = sc; 232 pf->cfe = NULL; 233 pf->dev = NULL; 234 } 235 DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1, 236 pccard_mfc(sc))); 237 238 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 239 if (STAILQ_EMPTY(&pf->cfe_head)) 240 continue; 241 /* 242 * In NetBSD, the drivers are responsible for activating 243 * each function of a card. I think that in FreeBSD we 244 * want to activate them enough for the usual bus_*_resource 245 * routines will do the right thing. This many mean a 246 * departure from the current NetBSD model. 247 * 248 * This seems to work well in practice for most cards. 249 * However, there are two cases that are problematic. 250 * If a driver wishes to pick and chose which config 251 * entry to use, then this method falls down. These 252 * are usually older cards. In addition, there are 253 * some cards that have multiple hardware units on the 254 * cards, but presents only one CIS chain. These cards 255 * are combination cards, but only one of these units 256 * can be on at a time. 257 */ 258 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, 259 M_WAITOK | M_ZERO); 260 resource_list_init(&ivar->resources); 261 child = device_add_child(dev, NULL, -1); 262 device_set_ivars(child, ivar); 263 ivar->fcn = pf; 264 pf->dev = child; 265 /* 266 * XXX We might want to move the next two lines into 267 * XXX the pccard interface layer. For the moment, this 268 * XXX is OK, but some drivers want to pick the config 269 * XXX entry to use as well as some address tweaks (mostly 270 * XXX due to bugs in decode logic that makes some 271 * XXX addresses illegal or broken). 272 */ 273 pccard_function_init(pf); 274 if (sc->sc_enabled_count == 0) 275 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 276 if (pccard_function_enable(pf) == 0 && 277 pccard_set_default_descr(child) == 0 && 278 device_probe_and_attach(child) == 0) { 279 DEVPRINTF((sc->dev, "function %d CCR at %d " 280 "offset %x mask %x: " 281 "%x %x %x %x, %x %x %x %x, %x\n", 282 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 283 pf->ccr_mask, pccard_ccr_read(pf, 0x00), 284 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 285 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 286 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 287 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 288 } else { 289 if (pf->cfe != NULL) 290 pccard_function_disable(pf); 291 } 292 } 293 return (0); 294} 295 296static int 297pccard_detach_card(device_t dev) 298{ 299 struct pccard_softc *sc = PCCARD_SOFTC(dev); 300 struct pccard_function *pf; 301 struct pccard_config_entry *cfe; 302 int state; 303 304 /* 305 * We are running on either the PCCARD socket's event thread 306 * or in user context detaching a device by user request. 307 */ 308 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 309 if (pf->dev == NULL) 310 continue; 311 state = device_get_state(pf->dev); 312 if (state == DS_ATTACHED || state == DS_BUSY) 313 device_detach(pf->dev); 314 if (pf->cfe != NULL) 315 pccard_function_disable(pf); 316 pccard_function_free(pf); 317 device_delete_child(dev, pf->dev); 318 } 319 if (sc->sc_enabled_count == 0) 320 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 321 322 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) { 323 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) { 324 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list); 325 free(cfe, M_DEVBUF); 326 } 327 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list); 328 free(pf, M_DEVBUF); 329 } 330 return (0); 331} 332 333static const struct pccard_product * 334pccard_do_product_lookup(device_t bus, device_t dev, 335 const struct pccard_product *tab, size_t ent_size, 336 pccard_product_match_fn matchfn) 337{ 338 const struct pccard_product *ent; 339 int matches; 340 uint32_t vendor; 341 uint32_t prod; 342 const char *vendorstr; 343 const char *prodstr; 344 const char *cis3str; 345 const char *cis4str; 346 347#ifdef DIAGNOSTIC 348 if (sizeof *ent > ent_size) 349 panic("pccard_product_lookup: bogus ent_size %jd", 350 (intmax_t) ent_size); 351#endif 352 if (pccard_get_vendor(dev, &vendor)) 353 return (NULL); 354 if (pccard_get_product(dev, &prod)) 355 return (NULL); 356 if (pccard_get_vendor_str(dev, &vendorstr)) 357 return (NULL); 358 if (pccard_get_product_str(dev, &prodstr)) 359 return (NULL); 360 if (pccard_get_cis3_str(dev, &cis3str)) 361 return (NULL); 362 if (pccard_get_cis4_str(dev, &cis4str)) 363 return (NULL); 364 for (ent = tab; ent->pp_vendor != 0; ent = 365 (const struct pccard_product *) ((const char *) ent + ent_size)) { 366 matches = 1; 367 if (ent->pp_vendor == PCCARD_VENDOR_ANY && 368 ent->pp_product == PCCARD_PRODUCT_ANY && 369 ent->pp_cis[0] == NULL && 370 ent->pp_cis[1] == NULL) { 371 if (ent->pp_name) 372 device_printf(dev, 373 "Total wildcard entry ignored for %s\n", 374 ent->pp_name); 375 continue; 376 } 377 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 378 vendor != ent->pp_vendor) 379 matches = 0; 380 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 381 prod != ent->pp_product) 382 matches = 0; 383 if (matches && ent->pp_cis[0] && 384 (vendorstr == NULL || 385 strcmp(ent->pp_cis[0], vendorstr) != 0)) 386 matches = 0; 387 if (matches && ent->pp_cis[1] && 388 (prodstr == NULL || 389 strcmp(ent->pp_cis[1], prodstr) != 0)) 390 matches = 0; 391 if (matches && ent->pp_cis[2] && 392 (cis3str == NULL || 393 strcmp(ent->pp_cis[2], cis3str) != 0)) 394 matches = 0; 395 if (matches && ent->pp_cis[3] && 396 (cis4str == NULL || 397 strcmp(ent->pp_cis[3], cis4str) != 0)) 398 matches = 0; 399 if (matchfn != NULL) 400 matches = (*matchfn)(dev, ent, matches); 401 if (matches) 402 return (ent); 403 } 404 return (NULL); 405} 406 407/* 408 * Initialize a PCCARD function. May be called as long as the function is 409 * disabled. 410 * 411 * Note: pccard_function_init should not keep resources allocated. It should 412 * only set them up ala isa pnp, set the values in the rl lists, and return. 413 * Any resource held after pccard_function_init is called is a bug. However, 414 * the bus routines to get the resources also assume that pccard_function_init 415 * does this, so they need to be fixed too. 416 */ 417static void 418pccard_function_init(struct pccard_function *pf) 419{ 420 struct pccard_config_entry *cfe; 421 int i, rid; 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 int start; 428 int end; 429 int 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 for (i = 0; i < cfe->num_iospace; i++) 441 cfe->iores[i] = NULL; 442 for (i = 0; i < cfe->num_memspace; i++) 443 cfe->memres[i] = NULL; 444 cfe->irqres = NULL; 445 spaces = 0; 446 for (i = 0; i < cfe->num_iospace; i++) { 447 start = cfe->iospace[i].start; 448 if (start) 449 end = start + cfe->iospace[i].length - 1; 450 else 451 end = ~0UL; 452 DEVPRINTF((bus, "I/O rid %d start %x end %x\n", 453 i, start, end)); 454 rid = i; 455 r = cfe->iores[i] = bus_alloc_resource(bus, 456 SYS_RES_IOPORT, &rid, start, end, 457 cfe->iospace[i].length, 458 rman_make_alignment_flags(cfe->iospace[i].length)); 459 if (cfe->iores[i] == NULL) 460 goto not_this_one; 461 rle = resource_list_add(rl, SYS_RES_IOPORT, 462 rid, rman_get_start(r), rman_get_end(r), 463 cfe->iospace[i].length); 464 if (rle == NULL) 465 panic("Cannot add resource rid %d IOPORT", rid); 466 rle->res = r; 467 spaces++; 468 } 469 for (i = 0; i < cfe->num_memspace; i++) { 470 start = cfe->memspace[i].hostaddr; 471 if (start) 472 end = start + cfe->memspace[i].length - 1; 473 else 474 end = ~0UL; 475 DEVPRINTF((bus, "Memory rid %d start %x end %x\n", 476 i, start, end)); 477 rid = i; 478 r = cfe->memres[i] = bus_alloc_resource(bus, 479 SYS_RES_MEMORY, &rid, start, end, 480 cfe->memspace[i].length, 481 rman_make_alignment_flags(cfe->memspace[i].length)); 482 if (cfe->memres[i] == NULL) 483 goto not_this_one; 484 rle = resource_list_add(rl, SYS_RES_MEMORY, 485 rid, rman_get_start(r), rman_get_end(r), 486 cfe->memspace[i].length); 487 if (rle == NULL) 488 panic("Cannot add resource rid %d MEM", rid); 489 rle->res = r; 490 spaces++; 491 } 492 if (spaces == 0) { 493 DEVPRINTF((bus, "Neither memory nor I/O mapped\n")); 494 goto not_this_one; 495 } 496 if (cfe->irqmask) { 497 rid = 0; 498 r = cfe->irqres = bus_alloc_resource_any(bus, 499 SYS_RES_IRQ, &rid, 0); 500 if (cfe->irqres == NULL) 501 goto not_this_one; 502 rle = resource_list_add(rl, SYS_RES_IRQ, rid, 503 rman_get_start(r), rman_get_end(r), 1); 504 if (rle == NULL) 505 panic("Cannot add resource rid %d IRQ", rid); 506 rle->res = r; 507 } 508 /* If we get to here, we've allocated all we need */ 509 pf->cfe = cfe; 510 break; 511 not_this_one:; 512 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 513 cfe->number)); 514 /* 515 * Release resources that we partially allocated 516 * from this config entry. 517 */ 518 for (i = 0; i < cfe->num_iospace; i++) { 519 r = cfe->iores[i]; 520 if (r == NULL) 521 continue; 522 rid = rman_get_rid(r); 523 bus_release_resource(bus, SYS_RES_IOPORT, rid, r); 524 rle = resource_list_find(rl, SYS_RES_IOPORT, rid); 525 rle->res = NULL; 526 resource_list_delete(rl, SYS_RES_IOPORT, rid); 527 cfe->iores[i] = NULL; 528 } 529 for (i = 0; i < cfe->num_memspace; i++) { 530 r = cfe->memres[i]; 531 if (r == NULL) 532 continue; 533 rid = rman_get_rid(r); 534 bus_release_resource(bus, SYS_RES_MEMORY, rid, r); 535 rle = resource_list_find(rl, SYS_RES_MEMORY, rid); 536 rle->res = NULL; 537 resource_list_delete(rl, SYS_RES_MEMORY, rid); 538 cfe->memres[i] = NULL; 539 } 540 if (cfe->irqmask && cfe->irqres != NULL) { 541 r = cfe->irqres; 542 rid = rman_get_rid(r); 543 bus_release_resource(bus, SYS_RES_IRQ, rid, r); 544 rle = resource_list_find(rl, SYS_RES_IRQ, rid); 545 rle->res = NULL; 546 resource_list_delete(rl, SYS_RES_IRQ, rid); 547 cfe->irqres = NULL; 548 } 549 } 550} 551 552/* 553 * Free resources allocated by pccard_function_init(), May be called as long 554 * as the function is disabled. 555 * 556 * NOTE: This function should be unnecessary. pccard_function_init should 557 * never keep resources initialized. 558 */ 559static void 560pccard_function_free(struct pccard_function *pf) 561{ 562 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 563 struct resource_list_entry *rle; 564 565 if (pf->pf_flags & PFF_ENABLED) { 566 printf("pccard_function_init: function is enabled"); 567 return; 568 } 569 570 STAILQ_FOREACH(rle, &devi->resources, link) { 571 if (rle->res) { 572 if (rman_get_device(rle->res) != pf->sc->dev) 573 device_printf(pf->sc->dev, 574 "function_free: Resource still owned by " 575 "child, oops. " 576 "(type=%d, rid=%d, addr=%lx)\n", 577 rle->type, rle->rid, 578 rman_get_start(rle->res)); 579 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 580 pf->sc->dev, rle->type, rle->rid, rle->res); 581 rle->res = NULL; 582 } 583 } 584 resource_list_free(&devi->resources); 585} 586 587static void 588pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr, 589 bus_addr_t offset, bus_size_t size) 590{ 591 bus_size_t iosize, tmp; 592 593 if (addr != 0) { 594 if (pf->pf_mfc_iomax == 0) { 595 pf->pf_mfc_iobase = addr + offset; 596 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 597 } else { 598 /* this makes the assumption that nothing overlaps */ 599 if (pf->pf_mfc_iobase > addr + offset) 600 pf->pf_mfc_iobase = addr + offset; 601 if (pf->pf_mfc_iomax < addr + offset + size) 602 pf->pf_mfc_iomax = addr + offset + size; 603 } 604 } 605 606 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 607 /* round up to nearest (2^n)-1 */ 608 for (iosize = 1; iosize < tmp; iosize <<= 1) 609 ; 610 iosize--; 611 612 DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n", 613 (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1))); 614 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 615 pf->pf_mfc_iobase & 0xff); 616 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 617 (pf->pf_mfc_iobase >> 8) & 0xff); 618 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 619 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 620 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 621} 622 623/* Enable a PCCARD function */ 624static int 625pccard_function_enable(struct pccard_function *pf) 626{ 627 struct pccard_function *tmp; 628 int reg; 629 device_t dev = pf->sc->dev; 630 631 if (pf->cfe == NULL) { 632 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 633 return (ENOMEM); 634 } 635 636 /* 637 * Increase the reference count on the socket, enabling power, if 638 * necessary. 639 */ 640 pf->sc->sc_enabled_count++; 641 642 if (pf->pf_flags & PFF_ENABLED) { 643 /* 644 * Don't do anything if we're already enabled. 645 */ 646 return (0); 647 } 648 649 /* 650 * it's possible for different functions' CCRs to be in the same 651 * underlying page. Check for that. 652 */ 653 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 654 if ((tmp->pf_flags & PFF_ENABLED) && 655 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 656 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 657 (tmp->ccr_base - tmp->pf_ccr_offset + 658 tmp->pf_ccr_realsize))) { 659 pf->pf_ccrt = tmp->pf_ccrt; 660 pf->pf_ccrh = tmp->pf_ccrh; 661 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 662 663 /* 664 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 665 * tmp->ccr_base) + pf->ccr_base; 666 */ 667 /* pf->pf_ccr_offset = 668 (tmp->pf_ccr_offset + pf->ccr_base) - 669 tmp->ccr_base; */ 670 pf->pf_ccr_window = tmp->pf_ccr_window; 671 break; 672 } 673 } 674 if (tmp == NULL) { 675 pf->ccr_rid = 0; 676 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 677 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE); 678 if (!pf->ccr_res) 679 goto bad; 680 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n", 681 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 682 pf->ccr_base)); 683 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 684 pf->ccr_rid, PCCARD_A_MEM_ATTR); 685 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 686 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 687 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 688 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 689 pf->pf_ccr_realsize = 1; 690 } 691 692 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 693 reg |= PCCARD_CCR_OPTION_LEVIREQ; 694 if (pccard_mfc(pf->sc)) { 695 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 696 PCCARD_CCR_OPTION_ADDR_DECODE); 697 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 698 } 699 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 700 701 reg = 0; 702 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 703 reg |= PCCARD_CCR_STATUS_IOIS8; 704 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 705 reg |= PCCARD_CCR_STATUS_AUDIO; 706 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 707 708 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 709 710 if (pccard_mfc(pf->sc)) 711 pccard_mfc_adjust_iobase(pf, 0, 0, 0); 712 713#ifdef PCCARDDEBUG 714 if (pccard_debug) { 715 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 716 device_printf(tmp->sc->dev, 717 "function %d CCR at %d offset %x: " 718 "%x %x %x %x, %x %x %x %x, %x\n", 719 tmp->number, tmp->pf_ccr_window, 720 tmp->pf_ccr_offset, 721 pccard_ccr_read(tmp, 0x00), 722 pccard_ccr_read(tmp, 0x02), 723 pccard_ccr_read(tmp, 0x04), 724 pccard_ccr_read(tmp, 0x06), 725 pccard_ccr_read(tmp, 0x0A), 726 pccard_ccr_read(tmp, 0x0C), 727 pccard_ccr_read(tmp, 0x0E), 728 pccard_ccr_read(tmp, 0x10), 729 pccard_ccr_read(tmp, 0x12)); 730 } 731 } 732#endif 733 pf->pf_flags |= PFF_ENABLED; 734 return (0); 735 736 bad: 737 /* 738 * Decrement the reference count, and power down the socket, if 739 * necessary. 740 */ 741 pf->sc->sc_enabled_count--; 742 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 743 744 return (1); 745} 746 747/* Disable PCCARD function. */ 748static void 749pccard_function_disable(struct pccard_function *pf) 750{ 751 struct pccard_function *tmp; 752 device_t dev = pf->sc->dev; 753 754 if (pf->cfe == NULL) 755 panic("pccard_function_disable: function not initialized"); 756 757 if ((pf->pf_flags & PFF_ENABLED) == 0) { 758 /* 759 * Don't do anything if we're already disabled. 760 */ 761 return; 762 } 763 764 if (pf->intr_handler != NULL) { 765 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 766 struct resource_list_entry *rle = 767 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 768 if (rle == NULL) 769 panic("Can't disable an interrupt with no IRQ res\n"); 770 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 771 pf->intr_handler_cookie); 772 } 773 774 /* 775 * it's possible for different functions' CCRs to be in the same 776 * underlying page. Check for that. Note we mark us as disabled 777 * first to avoid matching ourself. 778 */ 779 780 pf->pf_flags &= ~PFF_ENABLED; 781 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 782 if ((tmp->pf_flags & PFF_ENABLED) && 783 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 784 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 785 (tmp->ccr_base - tmp->pf_ccr_offset + 786 tmp->pf_ccr_realsize))) 787 break; 788 } 789 790 /* Not used by anyone else; unmap the CCR. */ 791 if (tmp == NULL) { 792 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 793 pf->ccr_res); 794 pf->ccr_res = NULL; 795 } 796 797 /* 798 * Decrement the reference count, and power down the socket, if 799 * necessary. 800 */ 801 pf->sc->sc_enabled_count--; 802} 803 804/* 805 * simulate the old "probe" routine. In the new world order, the driver 806 * needs to grab devices while in the old they were assigned to the device by 807 * the pccardd process. These symbols are exported to the upper layers. 808 */ 809static int 810pccard_compat_do_probe(device_t bus, device_t dev) 811{ 812 return (CARD_COMPAT_MATCH(dev)); 813} 814 815static int 816pccard_compat_do_attach(device_t bus, device_t dev) 817{ 818 int err; 819 820 err = CARD_COMPAT_PROBE(dev); 821 if (err <= 0) 822 err = CARD_COMPAT_ATTACH(dev); 823 return (err); 824} 825 826#define PCCARD_NPORT 2 827#define PCCARD_NMEM 5 828#define PCCARD_NIRQ 1 829#define PCCARD_NDRQ 0 830 831static int 832pccard_add_children(device_t dev, int busno) 833{ 834 /* Call parent to scan for any current children */ 835 return (0); 836} 837 838static int 839pccard_probe(device_t dev) 840{ 841 device_set_desc(dev, "16-bit PCCard bus"); 842 return (pccard_add_children(dev, device_get_unit(dev))); 843} 844 845static int 846pccard_attach(device_t dev) 847{ 848 struct pccard_softc *sc = PCCARD_SOFTC(dev); 849 850 sc->dev = dev; 851 sc->sc_enabled_count = 0; 852 return (bus_generic_attach(dev)); 853} 854 855static int 856pccard_detach(device_t dev) 857{ 858 pccard_detach_card(dev); 859 return 0; 860} 861 862static int 863pccard_suspend(device_t self) 864{ 865 pccard_detach_card(self); 866 return (0); 867} 868 869static 870int 871pccard_resume(device_t self) 872{ 873 return (0); 874} 875 876static void 877pccard_print_resources(struct resource_list *rl, const char *name, int type, 878 int count, const char *format) 879{ 880 struct resource_list_entry *rle; 881 int printed; 882 int i; 883 884 printed = 0; 885 for (i = 0; i < count; i++) { 886 rle = resource_list_find(rl, type, i); 887 if (rle != NULL) { 888 if (printed == 0) 889 printf(" %s ", name); 890 else if (printed > 0) 891 printf(","); 892 printed++; 893 printf(format, rle->start); 894 if (rle->count > 1) { 895 printf("-"); 896 printf(format, rle->start + rle->count - 1); 897 } 898 } else if (i > 3) { 899 /* check the first few regardless */ 900 break; 901 } 902 } 903} 904 905static int 906pccard_print_child(device_t dev, device_t child) 907{ 908 struct pccard_ivar *devi = PCCARD_IVAR(child); 909 struct resource_list *rl = &devi->resources; 910 int retval = 0; 911 912 retval += bus_print_child_header(dev, child); 913 retval += printf(" at"); 914 915 if (devi != NULL) { 916 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 917 PCCARD_NPORT, "%#lx"); 918 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 919 PCCARD_NMEM, "%#lx"); 920 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 921 "%ld"); 922 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 923 "%ld"); 924 retval += printf(" function %d config %d", devi->fcn->number, 925 devi->fcn->cfe->number); 926 } 927 928 retval += bus_print_child_footer(dev, child); 929 930 return (retval); 931} 932 933static int 934pccard_set_resource(device_t dev, device_t child, int type, int rid, 935 u_long start, u_long count) 936{ 937 struct pccard_ivar *devi = PCCARD_IVAR(child); 938 struct resource_list *rl = &devi->resources; 939 940 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 941 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 942 return (EINVAL); 943 if (rid < 0) 944 return (EINVAL); 945 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 946 return (EINVAL); 947 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 948 return (EINVAL); 949 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 950 return (EINVAL); 951 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 952 return (EINVAL); 953 954 resource_list_add(rl, type, rid, start, start + count - 1, count); 955 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 956 type, &rid, start, start + count - 1, count, 0)) 957 return 0; 958 else 959 return ENOMEM; 960} 961 962static int 963pccard_get_resource(device_t dev, device_t child, int type, int rid, 964 u_long *startp, u_long *countp) 965{ 966 struct pccard_ivar *devi = PCCARD_IVAR(child); 967 struct resource_list *rl = &devi->resources; 968 struct resource_list_entry *rle; 969 970 rle = resource_list_find(rl, type, rid); 971 if (rle == NULL) 972 return (ENOENT); 973 974 if (startp != NULL) 975 *startp = rle->start; 976 if (countp != NULL) 977 *countp = rle->count; 978 979 return (0); 980} 981 982static void 983pccard_delete_resource(device_t dev, device_t child, int type, int rid) 984{ 985 struct pccard_ivar *devi = PCCARD_IVAR(child); 986 struct resource_list *rl = &devi->resources; 987 resource_list_delete(rl, type, rid); 988} 989 990static int 991pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 992 uint32_t flags) 993{ 994 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 995 rid, flags)); 996} 997 998static int 999pccard_set_memory_offset(device_t dev, device_t child, int rid, 1000 uint32_t offset, uint32_t *deltap) 1001 1002{ 1003 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 1004 offset, deltap)); 1005} 1006 1007static void 1008pccard_probe_nomatch(device_t bus, device_t child) 1009{ 1010 struct pccard_ivar *devi = PCCARD_IVAR(child); 1011 struct pccard_function *func = devi->fcn; 1012 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1013 1014 device_printf(bus, "<unknown card>"); 1015 printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n", 1016 sc->card.manufacturer, sc->card.product, func->number); 1017 device_printf(bus, " CIS info: %s, %s, %s\n", sc->card.cis1_info[0], 1018 sc->card.cis1_info[1], sc->card.cis1_info[2]); 1019 return; 1020} 1021 1022static int 1023pccard_child_location_str(device_t bus, device_t child, char *buf, 1024 size_t buflen) 1025{ 1026 struct pccard_ivar *devi = PCCARD_IVAR(child); 1027 struct pccard_function *func = devi->fcn; 1028 1029 snprintf(buf, buflen, "function=%d", func->number); 1030 return (0); 1031} 1032 1033static int 1034pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf, 1035 size_t buflen) 1036{ 1037 struct pccard_ivar *devi = PCCARD_IVAR(child); 1038 struct pccard_function *func = devi->fcn; 1039 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1040 1041 /* XXX need to make sure that we've quoted the " in strings! */ 1042 snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x " 1043 "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d", 1044 sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0], 1045 sc->card.cis1_info[1], func->function); 1046 return (0); 1047} 1048 1049static int 1050pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 1051{ 1052 struct pccard_ivar *devi = PCCARD_IVAR(child); 1053 struct pccard_function *func = devi->fcn; 1054 struct pccard_softc *sc = PCCARD_SOFTC(bus); 1055 1056 switch (which) { 1057 default: 1058 case PCCARD_IVAR_ETHADDR: 1059 bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN); 1060 break; 1061 case PCCARD_IVAR_VENDOR: 1062 *(uint32_t *) result = sc->card.manufacturer; 1063 break; 1064 case PCCARD_IVAR_PRODUCT: 1065 *(uint32_t *) result = sc->card.product; 1066 break; 1067 case PCCARD_IVAR_PRODEXT: 1068 *(uint16_t *) result = sc->card.prodext; 1069 break; 1070 case PCCARD_IVAR_FUNCTION: 1071 *(uint32_t *) result = func->function; 1072 break; 1073 case PCCARD_IVAR_FUNCTION_NUMBER: 1074 if (!func) { 1075 device_printf(bus, "No function number, bug!\n"); 1076 return (ENOENT); 1077 } 1078 *(uint32_t *) result = func->number; 1079 break; 1080 case PCCARD_IVAR_VENDOR_STR: 1081 *(char **) result = sc->card.cis1_info[0]; 1082 break; 1083 case PCCARD_IVAR_PRODUCT_STR: 1084 *(char **) result = sc->card.cis1_info[1]; 1085 break; 1086 case PCCARD_IVAR_CIS3_STR: 1087 *(char **) result = sc->card.cis1_info[2]; 1088 break; 1089 case PCCARD_IVAR_CIS4_STR: 1090 *(char **) result = sc->card.cis1_info[3]; 1091 break; 1092 } 1093 return (0); 1094} 1095 1096static void 1097pccard_driver_added(device_t dev, driver_t *driver) 1098{ 1099 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1100 struct pccard_function *pf; 1101 device_t child; 1102 1103 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 1104 if (STAILQ_EMPTY(&pf->cfe_head)) 1105 continue; 1106 child = pf->dev; 1107 if (device_get_state(child) != DS_NOTPRESENT) 1108 continue; 1109 if (pccard_function_enable(pf) == 0 && 1110 device_probe_and_attach(child) == 0) { 1111 DEVPRINTF((sc->dev, "function %d CCR at %d " 1112 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 1113 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 1114 pccard_ccr_read(pf, 0x00), 1115 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 1116 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 1117 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 1118 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 1119 } else { 1120 if (pf->cfe != NULL) 1121 pccard_function_disable(pf); 1122 } 1123 } 1124 return; 1125} 1126 1127static struct resource * 1128pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1129 u_long start, u_long end, u_long count, u_int flags) 1130{ 1131 struct pccard_ivar *dinfo; 1132 struct resource_list_entry *rle = 0; 1133 int passthrough = (device_get_parent(child) != dev); 1134 int isdefault = (start == 0 && end == ~0UL && count == 1); 1135 struct resource *r = NULL; 1136 1137 /* XXX I'm no longer sure this is right */ 1138 if (passthrough) { 1139 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1140 type, rid, start, end, count, flags)); 1141 } 1142 1143 dinfo = device_get_ivars(child); 1144 rle = resource_list_find(&dinfo->resources, type, *rid); 1145 1146 if (rle == NULL && isdefault) 1147 return (NULL); /* no resource of that type/rid */ 1148 if (rle == NULL || rle->res == NULL) { 1149 /* Do we want this device to own it? */ 1150 /* XXX I think so, but that might be lame XXX */ 1151 r = bus_alloc_resource(dev, type, rid, start, end, 1152 count, flags /* XXX aligment? */); 1153 if (r == NULL) 1154 goto bad; 1155 resource_list_add(&dinfo->resources, type, *rid, 1156 rman_get_start(r), rman_get_end(r), count); 1157 rle = resource_list_find(&dinfo->resources, type, *rid); 1158 if (!rle) 1159 goto bad; 1160 rle->res = r; 1161 } 1162 /* 1163 * XXX the following looks wrong, in theory, but likely it is 1164 * XXX needed because of how the CIS code allocates resources 1165 * XXX for this device. 1166 */ 1167 if (rman_get_device(rle->res) != dev) 1168 return (NULL); 1169 bus_release_resource(dev, type, *rid, rle->res); 1170 rle->res = NULL; 1171 switch(type) { 1172 case SYS_RES_IOPORT: 1173 case SYS_RES_MEMORY: 1174 if (!(flags & RF_ALIGNMENT_MASK)) 1175 flags |= rman_make_alignment_flags(rle->count); 1176 break; 1177 case SYS_RES_IRQ: 1178 flags |= RF_SHAREABLE; 1179 break; 1180 } 1181 rle->res = resource_list_alloc(&dinfo->resources, dev, child, 1182 type, rid, rle->start, rle->end, rle->count, flags); 1183 return (rle->res); 1184bad:; 1185 device_printf(dev, "WARNING: Resource not reserved by pccard\n"); 1186 return (NULL); 1187} 1188 1189static int 1190pccard_release_resource(device_t dev, device_t child, int type, int rid, 1191 struct resource *r) 1192{ 1193 struct pccard_ivar *dinfo; 1194 int passthrough = (device_get_parent(child) != dev); 1195 struct resource_list_entry *rle = 0; 1196 int ret; 1197 int flags; 1198 1199 if (passthrough) 1200 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1201 type, rid, r); 1202 1203 dinfo = device_get_ivars(child); 1204 1205 rle = resource_list_find(&dinfo->resources, type, rid); 1206 1207 if (!rle) { 1208 device_printf(dev, "Allocated resource not found, " 1209 "%d %x %lx %lx\n", 1210 type, rid, rman_get_start(r), rman_get_size(r)); 1211 return ENOENT; 1212 } 1213 if (!rle->res) { 1214 device_printf(dev, "Allocated resource not recorded\n"); 1215 return ENOENT; 1216 } 1217 1218 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1219 type, rid, r); 1220 switch(type) { 1221 case SYS_RES_IOPORT: 1222 case SYS_RES_MEMORY: 1223 flags = rman_make_alignment_flags(rle->count); 1224 break; 1225 case SYS_RES_IRQ: 1226 flags = RF_SHAREABLE; 1227 break; 1228 default: 1229 flags = 0; 1230 } 1231 rle->res = bus_alloc_resource(dev, type, &rid, 1232 rle->start, rle->end, rle->count, flags); 1233 if (rle->res == NULL) 1234 device_printf(dev, "release_resource: " 1235 "unable to reaquire resource\n"); 1236 return ret; 1237} 1238 1239static void 1240pccard_child_detached(device_t parent, device_t dev) 1241{ 1242 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1243 struct pccard_function *pf = ivar->fcn; 1244 1245 pccard_function_disable(pf); 1246} 1247 1248static void 1249pccard_intr(void *arg) 1250{ 1251 struct pccard_function *pf = (struct pccard_function*) arg; 1252 int reg; 1253 int doisr = 1; 1254 1255 /* 1256 * MFC cards know if they interrupted, so we have to ack the 1257 * interrupt and call the ISR. Non-MFC cards don't have these 1258 * bits, so they always get called. Many non-MFC cards have 1259 * this bit set always upon read, but some do not. 1260 * 1261 * We always ack the interrupt, even if there's no ISR 1262 * for the card. This is done on the theory that acking 1263 * the interrupt will pacify the card enough to keep an 1264 * interrupt storm from happening. Of course this won't 1265 * help in the non-MFC case. 1266 * 1267 * This has no impact for MPSAFEness of the client drivers. 1268 * We register this with whatever flags the intr_handler 1269 * was registered with. All these functions are MPSAFE. 1270 */ 1271 if (pccard_mfc(pf->sc)) { 1272 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1273 if (reg & PCCARD_CCR_STATUS_INTR) 1274 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1275 reg & ~PCCARD_CCR_STATUS_INTR); 1276 else 1277 doisr = 0; 1278 } 1279 if (pf->intr_handler != NULL && doisr) 1280 pf->intr_handler(pf->intr_handler_arg); 1281} 1282 1283static int 1284pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1285 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1286{ 1287 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1288 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1289 struct pccard_function *func = ivar->fcn; 1290 int err; 1291 1292 if (func->intr_handler != NULL) 1293 panic("Only one interrupt handler per function allowed"); 1294 err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr, 1295 func, cookiep); 1296 if (err != 0) 1297 return (err); 1298 func->intr_handler = intr; 1299 func->intr_handler_arg = arg; 1300 func->intr_handler_cookie = *cookiep; 1301 if (pccard_mfc(sc)) { 1302 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1303 pccard_ccr_read(func, PCCARD_CCR_OPTION) | 1304 PCCARD_CCR_OPTION_IREQ_ENABLE); 1305 } 1306 return (0); 1307} 1308 1309static int 1310pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1311 void *cookie) 1312{ 1313 struct pccard_softc *sc = PCCARD_SOFTC(dev); 1314 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1315 struct pccard_function *func = ivar->fcn; 1316 int ret; 1317 1318 if (pccard_mfc(sc)) { 1319 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1320 pccard_ccr_read(func, PCCARD_CCR_OPTION) & 1321 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1322 } 1323 ret = bus_generic_teardown_intr(dev, child, r, cookie); 1324 if (ret == 0) { 1325 func->intr_handler = NULL; 1326 func->intr_handler_arg = NULL; 1327 func->intr_handler_cookie = NULL; 1328 } 1329 1330 return (ret); 1331} 1332 1333static int 1334pccard_activate_resource(device_t brdev, device_t child, int type, int rid, 1335 struct resource *r) 1336{ 1337 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1338 struct pccard_function *pf = ivar->fcn; 1339 1340 switch(type) { 1341 case SYS_RES_IOPORT: 1342 /* 1343 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC 1344 * card. 1345 */ 1346 if (pccard_mfc(pf->sc)) 1347 pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0, 1348 rman_get_size(r)); 1349 break; 1350 default: 1351 break; 1352 } 1353 return (bus_generic_activate_resource(brdev, child, type, rid, r)); 1354} 1355 1356static int 1357pccard_deactivate_resource(device_t brdev, device_t child, int type, 1358 int rid, struct resource *r) 1359{ 1360 /* XXX undo pccard_activate_resource? XXX */ 1361 return (bus_generic_deactivate_resource(brdev, child, type, rid, r)); 1362} 1363 1364static device_method_t pccard_methods[] = { 1365 /* Device interface */ 1366 DEVMETHOD(device_probe, pccard_probe), 1367 DEVMETHOD(device_attach, pccard_attach), 1368 DEVMETHOD(device_detach, pccard_detach), 1369 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1370 DEVMETHOD(device_suspend, pccard_suspend), 1371 DEVMETHOD(device_resume, pccard_resume), 1372 1373 /* Bus interface */ 1374 DEVMETHOD(bus_print_child, pccard_print_child), 1375 DEVMETHOD(bus_driver_added, pccard_driver_added), 1376 DEVMETHOD(bus_child_detached, pccard_child_detached), 1377 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1378 DEVMETHOD(bus_release_resource, pccard_release_resource), 1379 DEVMETHOD(bus_activate_resource, pccard_activate_resource), 1380 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource), 1381 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1382 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1383 DEVMETHOD(bus_set_resource, pccard_set_resource), 1384 DEVMETHOD(bus_get_resource, pccard_get_resource), 1385 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1386 DEVMETHOD(bus_probe_nomatch, pccard_probe_nomatch), 1387 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1388 DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str), 1389 DEVMETHOD(bus_child_location_str, pccard_child_location_str), 1390 1391 /* Card Interface */ 1392 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1393 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1394 DEVMETHOD(card_attach_card, pccard_attach_card), 1395 DEVMETHOD(card_detach_card, pccard_detach_card), 1396 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe), 1397 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach), 1398 DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup), 1399 1400 { 0, 0 } 1401}; 1402 1403static driver_t pccard_driver = { 1404 "pccard", 1405 pccard_methods, 1406 sizeof(struct pccard_softc) 1407}; 1408 1409devclass_t pccard_devclass; 1410 1411/* Maybe we need to have a slot device? */ 1412DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1413DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0); 1414MODULE_VERSION(pccard, 1); 1415