pccard.c revision 82415
1/* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */ 2/* $FreeBSD: head/sys/dev/pccard/pccard.c 82415 2001-08-27 11:28:00Z jon $ */ 3 4/* 5 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Marc Horowitz. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/malloc.h> 36#include <sys/module.h> 37#include <sys/kernel.h> 38#include <sys/queue.h> 39#include <sys/types.h> 40 41#include <sys/bus.h> 42#include <machine/bus.h> 43#include <sys/rman.h> 44#include <machine/resource.h> 45 46#include <dev/pccard/pccardreg.h> 47#include <dev/pccard/pccardvar.h> 48 49#include "power_if.h" 50#include "card_if.h" 51 52#define PCCARDDEBUG 53 54#ifdef PCCARDDEBUG 55int pccard_debug = 1; 56#define DPRINTF(arg) if (pccard_debug) printf arg 57#define DEVPRINTF(arg) if (pccard_debug) device_printf arg 58#define PRVERBOSE(arg) printf arg 59#define DEVPRVERBOSE(arg) device_printf arg 60#else 61#define DPRINTF(arg) 62#define DEVPRINTF(arg) 63#define PRVERBOSE(arg) if (bootverbose) printf arg 64#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg 65#endif 66 67#ifdef PCCARDVERBOSE 68int pccard_verbose = 1; 69#else 70int pccard_verbose = 0; 71#endif 72 73static int pccard_ccr_read(struct pccard_function *pf, int ccr); 74static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val); 75static int pccard_attach_card(device_t dev); 76static int pccard_detach_card(device_t dev, int flags); 77static int pccard_card_gettype(device_t dev, int *type); 78static void pccard_function_init(struct pccard_function *pf); 79static void pccard_function_free(struct pccard_function *pf); 80static int pccard_function_enable(struct pccard_function *pf); 81static void pccard_function_disable(struct pccard_function *pf); 82static int pccard_compat_do_probe(device_t bus, device_t dev); 83static int pccard_compat_do_attach(device_t bus, device_t dev); 84static int pccard_add_children(device_t dev, int busno); 85static int pccard_probe(device_t dev); 86static int pccard_attach(device_t dev); 87static int pccard_detach(device_t dev); 88static void pccard_print_resources(struct resource_list *rl, 89 const char *name, int type, int count, const char *format); 90static int pccard_print_child(device_t dev, device_t child); 91static int pccard_set_resource(device_t dev, device_t child, int type, 92 int rid, u_long start, u_long count); 93static int pccard_get_resource(device_t dev, device_t child, int type, 94 int rid, u_long *startp, u_long *countp); 95static void pccard_delete_resource(device_t dev, device_t child, int type, 96 int rid); 97static int pccard_set_res_flags(device_t dev, device_t child, int type, 98 int rid, u_int32_t flags); 99static int pccard_set_memory_offset(device_t dev, device_t child, int rid, 100 u_int32_t offset, u_int32_t *deltap); 101static int pccard_read_ivar(device_t bus, device_t child, int which, 102 u_char *result); 103static void pccard_driver_added(device_t dev, driver_t *driver); 104static struct resource *pccard_alloc_resource(device_t dev, 105 device_t child, int type, int *rid, u_long start, 106 u_long end, u_long count, u_int flags); 107static int pccard_release_resource(device_t dev, device_t child, int type, 108 int rid, struct resource *r); 109static void pccard_child_detached(device_t parent, device_t dev); 110static void pccard_intr(void *arg); 111static int pccard_setup_intr(device_t dev, device_t child, 112 struct resource *irq, int flags, driver_intr_t *intr, 113 void *arg, void **cookiep); 114static int pccard_teardown_intr(device_t dev, device_t child, 115 struct resource *r, void *cookie); 116 117static int 118pccard_ccr_read(struct pccard_function *pf, int ccr) 119{ 120 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 121 pf->pf_ccr_offset + ccr)); 122} 123 124static void 125pccard_ccr_write(struct pccard_function *pf, int ccr, int val) 126{ 127 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 128 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 129 pf->pf_ccr_offset + ccr, val); 130 } 131} 132 133static int 134pccard_attach_card(device_t dev) 135{ 136 struct pccard_softc *sc = PCCARD_SOFTC(dev); 137 struct pccard_function *pf; 138 struct pccard_ivar *ivar; 139 device_t child; 140 141 /* 142 * this is here so that when socket_enable calls gettype, trt happens 143 */ 144 STAILQ_INIT(&sc->card.pf_head); 145 146 DEVPRINTF((dev, "chip_socket_enable\n")); 147 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 148 149 DEVPRINTF((dev, "read_cis\n")); 150 pccard_read_cis(sc); 151 152 DEVPRINTF((dev, "check_cis_quirks\n")); 153 pccard_check_cis_quirks(dev); 154 155 /* 156 * bail now if the card has no functions, or if there was an error in 157 * the cis. 158 */ 159 160 if (sc->card.error) { 161 device_printf (dev, "CARD ERROR!\n"); 162 return (1); 163 } 164 if (STAILQ_EMPTY(&sc->card.pf_head)) { 165 device_printf (dev, "Card has no functions!\n"); 166 return (1); 167 } 168 169 if (1) 170 pccard_print_cis(dev); 171 172 DEVPRINTF((dev, "functions scanning\n")); 173 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 174 if (STAILQ_EMPTY(&pf->cfe_head)) 175 continue; 176 177 pf->sc = sc; 178 pf->cfe = NULL; 179 pf->dev = NULL; 180 } 181 182 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 183 if (STAILQ_EMPTY(&pf->cfe_head)) 184 continue; 185 /* 186 * In NetBSD, the drivers are responsible for activating 187 * each function of a card. I think that in FreeBSD we 188 * want to activate them enough for the usual bus_*_resource 189 * routines will do the right thing. This many mean a 190 * departure from the current NetBSD model. 191 * 192 * This could get really ugly for multifunction cards. But 193 * it might also just fall out of the FreeBSD resource model. 194 * 195 */ 196 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, 197 M_WAITOK | M_ZERO); 198 child = device_add_child(dev, NULL, -1); 199 device_set_ivars(child, ivar); 200 ivar->fcn = pf; 201 pf->dev = child; 202 /* 203 * XXX We might want to move the next two lines into 204 * XXX the pccard interface layer. For the moment, this 205 * XXX is OK, but some drivers want to pick the config 206 * XXX entry to use as well as some address tweaks (mostly 207 * XXX due to bugs in decode logic that makes some 208 * XXX addresses illegal or broken). 209 */ 210 pccard_function_init(pf); 211 if (sc->sc_enabled_count == 0) 212 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 213 if (pccard_function_enable(pf) == 0 && 214 device_probe_and_attach(child) == 0) { 215 DEVPRINTF((sc->dev, "function %d CCR at %d " 216 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 217 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 218 pccard_ccr_read(pf, 0x00), 219 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 220 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 221 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 222 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 223 } else { 224 pccard_function_disable(pf); 225 } 226 } 227 if (sc->sc_enabled_count == 0) 228 pccard_detach_card(dev, 0); 229 return (0); 230} 231 232static int 233pccard_detach_card(device_t dev, int flags) 234{ 235 struct pccard_softc *sc = PCCARD_SOFTC(dev); 236 struct pccard_function *pf; 237 struct pccard_config_entry *cfe; 238 239 /* 240 * We are running on either the PCCARD socket's event thread 241 * or in user context detaching a device by user request. 242 */ 243 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 244 int state = device_get_state(pf->dev); 245 246 if (state == DS_ATTACHED || state == DS_BUSY) 247 device_detach(pf->dev); 248 pccard_function_disable(pf); 249 pccard_function_free(pf); 250 if (pf->dev != NULL) 251 device_delete_child(dev, pf->dev); 252 } 253 if (sc->sc_enabled_count == 0) 254 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 255 256 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) { 257 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) { 258 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list); 259 free(cfe, M_DEVBUF); 260 } 261 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list); 262 free(pf, M_DEVBUF); 263 } 264 return (0); 265} 266 267const struct pccard_product * 268pccard_product_lookup(device_t dev, const struct pccard_product *tab, 269 size_t ent_size, pccard_product_match_fn matchfn) 270{ 271 const struct pccard_product *ent; 272 int matches; 273 u_int32_t fcn; 274 u_int32_t vendor; 275 u_int32_t prod; 276 char *vendorstr; 277 char *prodstr; 278 279#ifdef DIAGNOSTIC 280 if (sizeof *ent > ent_size) 281 panic("pccard_product_lookup: bogus ent_size %ld", 282 (long) ent_size); 283#endif 284 if (pccard_get_vendor(dev, &vendor)) 285 return (NULL); 286 if (pccard_get_product(dev, &prod)) 287 return (NULL); 288 if (pccard_get_function_number(dev, &fcn)) 289 return (NULL); 290 if (pccard_get_vendor_str(dev, &vendorstr)) 291 return (NULL); 292 if (pccard_get_product_str(dev, &prodstr)) 293 return (NULL); 294 for (ent = tab; ent->pp_name != NULL; ent = 295 (const struct pccard_product *) ((const char *) ent + ent_size)) { 296 matches = 1; 297 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 298 vendor != ent->pp_vendor) 299 matches = 0; 300 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 301 prod != ent->pp_product) 302 matches = 0; 303 if (matches && fcn != ent->pp_expfunc) 304 matches = 0; 305 if (matches && ent->pp_cis[0] && 306 strcmp(ent->pp_cis[0], vendorstr) != 0) 307 matches = 0; 308 if (matches && ent->pp_cis[1] && 309 strcmp(ent->pp_cis[1], prodstr) != 0) 310 matches = 0; 311 /* XXX need to match cis[2] and cis[3] also XXX */ 312 if (matchfn != NULL) 313 matches = (*matchfn)(dev, ent, matches); 314 if (matches) 315 return (ent); 316 } 317 return (NULL); 318} 319 320static int 321pccard_card_gettype(device_t dev, int *type) 322{ 323 struct pccard_softc *sc = PCCARD_SOFTC(dev); 324 struct pccard_function *pf; 325 326 /* 327 * set the iftype to memory if this card has no functions (not yet 328 * probed), or only one function, and that is not initialized yet or 329 * that is memory. 330 */ 331 pf = STAILQ_FIRST(&sc->card.pf_head); 332 if (pf == NULL || 333 (STAILQ_NEXT(pf, pf_list) == NULL && 334 (pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY))) 335 *type = PCCARD_IFTYPE_MEMORY; 336 else 337 *type = PCCARD_IFTYPE_IO; 338 return (0); 339} 340 341/* 342 * Initialize a PCCARD function. May be called as long as the function is 343 * disabled. 344 * 345 * Note: pccard_function_init should not keep resources allocated. It should 346 * only set them up ala isa pnp, set the values in the rl lists, and return. 347 * Any resource held after pccard_function_init is called is a bug. However, 348 * the bus routines to get the resources also assume that pccard_function_init 349 * does this, so they need to be fixed too. 350 */ 351static void 352pccard_function_init(struct pccard_function *pf) 353{ 354 struct pccard_config_entry *cfe; 355 int i; 356 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 357 struct resource_list *rl = &devi->resources; 358 struct resource_list_entry *rle; 359 struct resource *r = 0; 360 device_t bus; 361 int start; 362 int end; 363 364 if (pf->pf_flags & PFF_ENABLED) { 365 printf("pccard_function_init: function is enabled"); 366 return; 367 } 368 bus = device_get_parent(pf->dev); 369 /* Remember which configuration entry we are using. */ 370 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 371 for (i = 0; i < cfe->num_iospace; i++) 372 cfe->iores[i] = NULL; 373 cfe->irqres = NULL; 374 for (i = 0; i < cfe->num_iospace; i++) { 375 start = cfe->iospace[i].start; 376 if (start) 377 end = start + cfe->iospace[i].length - 1; 378 else 379 end = ~0; 380 cfe->iorid[i] = i; 381 r = cfe->iores[i] = bus_alloc_resource(bus, 382 SYS_RES_IOPORT, &cfe->iorid[i], start, end, 383 cfe->iospace[i].length, 384 rman_make_alignment_flags(cfe->iospace[i].length)); 385 if (cfe->iores[i] == NULL) 386 goto not_this_one; 387 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i], 388 rman_get_start(r), rman_get_end(r), 389 cfe->iospace[i].length); 390 rle = resource_list_find(rl, SYS_RES_IOPORT, 391 cfe->iorid[i]); 392 rle->res = r; 393 } 394 if (cfe->num_memspace > 0) { 395 goto not_this_one; 396 } 397 if (cfe->irqmask) { 398 cfe->irqrid = 0; 399 r = cfe->irqres = bus_alloc_resource(bus, SYS_RES_IRQ, 400 &cfe->irqrid, 0, ~0, 1, 0); 401 if (cfe->irqres == NULL) 402 goto not_this_one; 403 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid, 404 rman_get_start(r), rman_get_end(r), 1); 405 rle = resource_list_find(rl, SYS_RES_IRQ, 406 cfe->irqrid); 407 rle->res = r; 408 } 409 /* If we get to here, we've allocated all we need */ 410 pf->cfe = cfe; 411 break; 412 not_this_one:; 413 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 414 cfe->number)); 415 /* 416 * Release resources that we partially allocated 417 * from this config entry. 418 */ 419 for (i = 0; i < cfe->num_iospace; i++) { 420 if (cfe->iores[i] != NULL) { 421 bus_release_resource(bus, SYS_RES_IOPORT, 422 cfe->iorid[i], cfe->iores[i]); 423 rle = resource_list_find(rl, SYS_RES_IOPORT, 424 cfe->iorid[i]); 425 rle->res = NULL; 426 resource_list_delete(rl, SYS_RES_IOPORT, 427 cfe->iorid[i]); 428 } 429 cfe->iores[i] = NULL; 430 } 431 if (cfe->irqmask && cfe->irqres != NULL) { 432 bus_release_resource(bus, SYS_RES_IRQ, 433 cfe->irqrid, cfe->irqres); 434 rle = resource_list_find(rl, SYS_RES_IRQ, 435 cfe->irqrid); 436 rle->res = NULL; 437 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid); 438 cfe->irqres = NULL; 439 } 440 } 441} 442 443/* 444 * Free resources allocated by pccard_function_init(), May be called as long 445 * as the function is disabled. 446 * 447 * NOTE: This function should be unnecessary. pccard_function_init should 448 * never keep resources initialized. 449 */ 450static void 451pccard_function_free(struct pccard_function *pf) 452{ 453 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 454 struct resource_list_entry *rle; 455 456 if (pf->pf_flags & PFF_ENABLED) { 457 printf("pccard_function_init: function is enabled"); 458 return; 459 } 460 461 SLIST_FOREACH(rle, &devi->resources, link) { 462 if (rle->res) { 463 if (rle->res->r_dev != pf->sc->dev) 464 device_printf(pf->sc->dev, 465 "function_free: Resource still owned by " 466 "child, oops. " 467 "(type=%d, rid=%d, addr=%lx)\n", 468 rle->type, rle->rid, 469 rman_get_start(rle->res)); 470 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 471 rle->res->r_dev, rle->type, rle->rid, rle->res); 472 rle->res = NULL; 473 } 474 } 475 resource_list_free(&devi->resources); 476} 477 478/* Enable a PCCARD function */ 479static int 480pccard_function_enable(struct pccard_function *pf) 481{ 482 struct pccard_function *tmp; 483 int reg; 484 device_t dev = pf->sc->dev; 485 486 if (pf->cfe == NULL) { 487 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 488 return (ENOMEM); 489 } 490 491 /* 492 * Increase the reference count on the socket, enabling power, if 493 * necessary. 494 */ 495 pf->sc->sc_enabled_count++; 496 497 if (pf->pf_flags & PFF_ENABLED) { 498 /* 499 * Don't do anything if we're already enabled. 500 */ 501 return (0); 502 } 503 504 /* 505 * it's possible for different functions' CCRs to be in the same 506 * underlying page. Check for that. 507 */ 508 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 509 if ((tmp->pf_flags & PFF_ENABLED) && 510 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 511 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 512 (tmp->ccr_base - tmp->pf_ccr_offset + 513 tmp->pf_ccr_realsize))) { 514 pf->pf_ccrt = tmp->pf_ccrt; 515 pf->pf_ccrh = tmp->pf_ccrh; 516 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 517 518 /* 519 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 520 * tmp->ccr_base) + pf->ccr_base; 521 */ 522 /* pf->pf_ccr_offset = 523 (tmp->pf_ccr_offset + pf->ccr_base) - 524 tmp->ccr_base; */ 525 pf->pf_ccr_window = tmp->pf_ccr_window; 526 break; 527 } 528 } 529 if (tmp == NULL) { 530 pf->ccr_rid = 0; 531 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 532 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE); 533 if (!pf->ccr_res) 534 goto bad; 535 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%lx\n", 536 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 537 pf->ccr_base)); 538 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 539 pf->ccr_rid, PCCARD_A_MEM_ATTR); 540 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 541 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 542 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 543 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 544 pf->pf_ccr_realsize = 1; 545 } 546 547 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 548 reg |= PCCARD_CCR_OPTION_LEVIREQ; 549 if (pccard_mfc(pf->sc)) { 550 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 551 PCCARD_CCR_OPTION_ADDR_DECODE); 552 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 553 } 554 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 555 556 reg = 0; 557 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 558 reg |= PCCARD_CCR_STATUS_IOIS8; 559 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 560 reg |= PCCARD_CCR_STATUS_AUDIO; 561 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 562 563 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 564 565 if (pccard_mfc(pf->sc)) { 566 long tmp, iosize; 567 568 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 569 /* round up to nearest (2^n)-1 */ 570 for (iosize = 1; iosize < tmp; iosize <<= 1) 571 ; 572 iosize--; 573 574 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 575 pf->pf_mfc_iobase & 0xff); 576 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 577 (pf->pf_mfc_iobase >> 8) & 0xff); 578 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 579 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 580 581 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 582 } 583 584#ifdef PCCARDDEBUG 585 if (pccard_debug) { 586 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 587 device_printf(tmp->sc->dev, 588 "function %d CCR at %d offset %x: " 589 "%x %x %x %x, %x %x %x %x, %x\n", 590 tmp->number, tmp->pf_ccr_window, 591 tmp->pf_ccr_offset, 592 pccard_ccr_read(tmp, 0x00), 593 pccard_ccr_read(tmp, 0x02), 594 pccard_ccr_read(tmp, 0x04), 595 pccard_ccr_read(tmp, 0x06), 596 pccard_ccr_read(tmp, 0x0A), 597 pccard_ccr_read(tmp, 0x0C), 598 pccard_ccr_read(tmp, 0x0E), 599 pccard_ccr_read(tmp, 0x10), 600 pccard_ccr_read(tmp, 0x12)); 601 } 602 } 603#endif 604 pf->pf_flags |= PFF_ENABLED; 605 return (0); 606 607 bad: 608 /* 609 * Decrement the reference count, and power down the socket, if 610 * necessary. 611 */ 612 pf->sc->sc_enabled_count--; 613 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 614 615 return (1); 616} 617 618/* Disable PCCARD function. */ 619static void 620pccard_function_disable(struct pccard_function *pf) 621{ 622 struct pccard_function *tmp; 623 device_t dev = pf->sc->dev; 624 625 if (pf->cfe == NULL) 626 panic("pccard_function_disable: function not initialized"); 627 628 if ((pf->pf_flags & PFF_ENABLED) == 0) { 629 /* 630 * Don't do anything if we're already disabled. 631 */ 632 return; 633 } 634 635 if (pf->intr_handler != NULL) { 636 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 637 struct resource_list_entry *rle = 638 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 639 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 640 pf->intr_handler_cookie); 641 } 642 643 /* 644 * it's possible for different functions' CCRs to be in the same 645 * underlying page. Check for that. Note we mark us as disabled 646 * first to avoid matching ourself. 647 */ 648 649 pf->pf_flags &= ~PFF_ENABLED; 650 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 651 if ((tmp->pf_flags & PFF_ENABLED) && 652 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 653 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 654 (tmp->ccr_base - tmp->pf_ccr_offset + 655 tmp->pf_ccr_realsize))) 656 break; 657 } 658 659 /* Not used by anyone else; unmap the CCR. */ 660 if (tmp == NULL) { 661 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 662 pf->ccr_res); 663 pf->ccr_res = NULL; 664 } 665 666 /* 667 * Decrement the reference count, and power down the socket, if 668 * necessary. 669 */ 670 pf->sc->sc_enabled_count--; 671} 672 673#if 0 674/* XXX These functions are needed, but not like this XXX */ 675int 676pccard_io_map(struct pccard_function *pf, int width, bus_addr_t offset, 677 bus_size_t size, struct pccard_io_handle *pcihp, int *windowp) 678{ 679 int reg; 680 681 if (pccard_chip_io_map(pf->sc->pct, pf->sc->pch, width, offset, size, 682 pcihp, windowp)) 683 return (1); 684 685 /* 686 * XXX in the multifunction multi-iospace-per-function case, this 687 * needs to cooperate with io_alloc to make sure that the spaces 688 * don't overlap, and that the ccr's are set correctly 689 */ 690 691 if (pccard_mfc(pf->sc)) { 692 long tmp, iosize; 693 694 if (pf->pf_mfc_iomax == 0) { 695 pf->pf_mfc_iobase = pcihp->addr + offset; 696 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 697 } else { 698 /* this makes the assumption that nothing overlaps */ 699 if (pf->pf_mfc_iobase > pcihp->addr + offset) 700 pf->pf_mfc_iobase = pcihp->addr + offset; 701 if (pf->pf_mfc_iomax < pcihp->addr + offset + size) 702 pf->pf_mfc_iomax = pcihp->addr + offset + size; 703 } 704 705 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 706 /* round up to nearest (2^n)-1 */ 707 for (iosize = 1; iosize >= tmp; iosize <<= 1) 708 ; 709 iosize--; 710 711 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 712 pf->pf_mfc_iobase & 0xff); 713 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 714 (pf->pf_mfc_iobase >> 8) & 0xff); 715 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 716 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 717 718 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 719 720 reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION); 721 reg |= PCCARD_CCR_OPTION_ADDR_DECODE; 722 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 723 } 724 return (0); 725} 726 727void 728pccard_io_unmap(struct pccard_function *pf, int window) 729{ 730 731 pccard_chip_io_unmap(pf->sc->pct, pf->sc->pch, window); 732 733 /* XXX Anything for multi-function cards? */ 734} 735#endif 736 737/* 738 * simulate the old "probe" routine. In the new world order, the driver 739 * needs to grab devices while in the old they were assigned to the device by 740 * the pccardd process. These symbols are exported to the upper layers. 741 */ 742static int 743pccard_compat_do_probe(device_t bus, device_t dev) 744{ 745 return (CARD_COMPAT_MATCH(dev)); 746} 747 748static int 749pccard_compat_do_attach(device_t bus, device_t dev) 750{ 751 int err; 752 753 err = CARD_COMPAT_PROBE(dev); 754 if (err == 0) 755 err = CARD_COMPAT_ATTACH(dev); 756 return (err); 757} 758 759#define PCCARD_NPORT 2 760#define PCCARD_NMEM 5 761#define PCCARD_NIRQ 1 762#define PCCARD_NDRQ 0 763 764static int 765pccard_add_children(device_t dev, int busno) 766{ 767 /* Call parent to scan for any current children */ 768 return (0); 769} 770 771static int 772pccard_probe(device_t dev) 773{ 774 device_set_desc(dev, "16-bit PCCard bus"); 775 return (pccard_add_children(dev, device_get_unit(dev))); 776} 777 778static int 779pccard_attach(device_t dev) 780{ 781 struct pccard_softc *sc = PCCARD_SOFTC(dev); 782 783 sc->dev = dev; 784 sc->sc_enabled_count = 0; 785 return (bus_generic_attach(dev)); 786} 787 788static int 789pccard_detach(device_t dev) 790{ 791 pccard_detach_card(dev, 0); 792 return 0; 793} 794 795static void 796pccard_print_resources(struct resource_list *rl, const char *name, int type, 797 int count, const char *format) 798{ 799 struct resource_list_entry *rle; 800 int printed; 801 int i; 802 803 printed = 0; 804 for (i = 0; i < count; i++) { 805 rle = resource_list_find(rl, type, i); 806 if (rle != NULL) { 807 if (printed == 0) 808 printf(" %s ", name); 809 else if (printed > 0) 810 printf(","); 811 printed++; 812 printf(format, rle->start); 813 if (rle->count > 1) { 814 printf("-"); 815 printf(format, rle->start + rle->count - 1); 816 } 817 } else if (i > 3) { 818 /* check the first few regardless */ 819 break; 820 } 821 } 822} 823 824static int 825pccard_print_child(device_t dev, device_t child) 826{ 827 struct pccard_ivar *devi = PCCARD_IVAR(child); 828 struct resource_list *rl = &devi->resources; 829 int retval = 0; 830 831 retval += bus_print_child_header(dev, child); 832 retval += printf(" at"); 833 834 if (devi != NULL) { 835 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 836 PCCARD_NPORT, "%#lx"); 837 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 838 PCCARD_NMEM, "%#lx"); 839 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 840 "%ld"); 841 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 842 "%ld"); 843 retval += printf(" function %d config %d", devi->fcn->number, 844 devi->fcn->cfe->number); 845 } 846 847 retval += bus_print_child_footer(dev, child); 848 849 return (retval); 850} 851 852static int 853pccard_set_resource(device_t dev, device_t child, int type, int rid, 854 u_long start, u_long count) 855{ 856 struct pccard_ivar *devi = PCCARD_IVAR(child); 857 struct resource_list *rl = &devi->resources; 858 859 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 860 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 861 return (EINVAL); 862 if (rid < 0) 863 return (EINVAL); 864 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 865 return (EINVAL); 866 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 867 return (EINVAL); 868 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 869 return (EINVAL); 870 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 871 return (EINVAL); 872 873 resource_list_add(rl, type, rid, start, start + count - 1, count); 874 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 875 type, &rid, start, start + count - 1, count, 0)) 876 return 0; 877 else 878 return ENOMEM; 879} 880 881static int 882pccard_get_resource(device_t dev, device_t child, int type, int rid, 883 u_long *startp, u_long *countp) 884{ 885 struct pccard_ivar *devi = PCCARD_IVAR(child); 886 struct resource_list *rl = &devi->resources; 887 struct resource_list_entry *rle; 888 889 rle = resource_list_find(rl, type, rid); 890 if (rle == NULL) 891 return (ENOENT); 892 893 if (startp != NULL) 894 *startp = rle->start; 895 if (countp != NULL) 896 *countp = rle->count; 897 898 return (0); 899} 900 901static void 902pccard_delete_resource(device_t dev, device_t child, int type, int rid) 903{ 904 struct pccard_ivar *devi = PCCARD_IVAR(child); 905 struct resource_list *rl = &devi->resources; 906 resource_list_delete(rl, type, rid); 907} 908 909static int 910pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 911 u_int32_t flags) 912{ 913 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 914 rid, flags)); 915} 916 917static int 918pccard_set_memory_offset(device_t dev, device_t child, int rid, 919 u_int32_t offset, u_int32_t *deltap) 920 921{ 922 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 923 offset, deltap)); 924} 925 926static int 927pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 928{ 929 struct pccard_ivar *devi = PCCARD_IVAR(child); 930 struct pccard_function *func = devi->fcn; 931 struct pccard_softc *sc = PCCARD_SOFTC(bus); 932 933 /* PCCARD_IVAR_ETHADDR unhandled from oldcard */ 934 switch (which) { 935 default: 936 case PCCARD_IVAR_ETHADDR: 937 return (ENOENT); 938 break; 939 case PCCARD_IVAR_VENDOR: 940 *(u_int32_t *) result = sc->card.manufacturer; 941 break; 942 case PCCARD_IVAR_PRODUCT: 943 *(u_int32_t *) result = sc->card.product; 944 break; 945 case PCCARD_IVAR_FUNCTION: 946 *(u_int32_t *) result = func->function; 947 break; 948 case PCCARD_IVAR_FUNCTION_NUMBER: 949 if (!func) { 950 device_printf(bus, "No function number, bug!\n"); 951 return (ENOENT); 952 } 953 *(u_int32_t *) result = func->number; 954 break; 955 case PCCARD_IVAR_VENDOR_STR: 956 *(char **) result = sc->card.cis1_info[0]; 957 break; 958 case PCCARD_IVAR_PRODUCT_STR: 959 *(char **) result = sc->card.cis1_info[1]; 960 break; 961 case PCCARD_IVAR_CIS3_STR: 962 *(char **) result = sc->card.cis1_info[2]; 963 break; 964 case PCCARD_IVAR_CIS4_STR: 965 *(char **) result = sc->card.cis1_info[2]; 966 break; 967 } 968 return (0); 969} 970 971static void 972pccard_driver_added(device_t dev, driver_t *driver) 973{ 974 struct pccard_softc *sc = PCCARD_SOFTC(dev); 975 struct pccard_function *pf; 976 device_t child; 977 978 if (sc->sc_enabled_count == 0) { 979 CARD_REPROBE_CARD(device_get_parent(dev), dev); 980 return; 981 } 982 983 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 984 if (STAILQ_EMPTY(&pf->cfe_head)) 985 continue; 986 child = pf->dev; 987 if (device_get_state(child) != DS_NOTPRESENT) 988 continue; 989 if (pccard_function_enable(pf) == 0 && 990 device_probe_and_attach(child) == 0) { 991 DEVPRINTF((sc->dev, "function %d CCR at %d " 992 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 993 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 994 pccard_ccr_read(pf, 0x00), 995 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 996 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 997 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 998 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 999 } else { 1000 pccard_function_disable(pf); 1001 } 1002 } 1003 return; 1004} 1005 1006static struct resource * 1007pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1008 u_long start, u_long end, u_long count, u_int flags) 1009{ 1010 struct pccard_ivar *dinfo; 1011 struct resource_list_entry *rle = 0; 1012 int passthrough = (device_get_parent(child) != dev); 1013 1014 if (passthrough) { 1015 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1016 type, rid, start, end, count, flags)); 1017 } 1018 1019 dinfo = device_get_ivars(child); 1020 rle = resource_list_find(&dinfo->resources, type, *rid); 1021 1022 if (!rle) 1023 return NULL; /* no resource of that type/rid */ 1024 1025 if (!rle->res) { 1026 device_printf(dev, "WARNING: Resource not reserved by pccard bus\n"); 1027 return NULL; 1028 } else { 1029 if (rle->res->r_dev != dev) return NULL; 1030 bus_release_resource(dev, type, *rid, rle->res); 1031 rle->res = NULL; 1032 switch(type) { 1033 case SYS_RES_IOPORT: 1034 case SYS_RES_MEMORY: 1035 if (!(flags & RF_ALIGNMENT_MASK)) 1036 flags |= rman_make_alignment_flags(rle->count); 1037 break; 1038 case SYS_RES_IRQ: 1039 flags |= RF_SHAREABLE; 1040 break; 1041 } 1042 return resource_list_alloc(&dinfo->resources, dev, child, type, 1043 rid, rle->start, rle->end, rle->count, flags); 1044 } 1045} 1046 1047static int 1048pccard_release_resource(device_t dev, device_t child, int type, int rid, 1049 struct resource *r) 1050{ 1051 struct pccard_ivar *dinfo; 1052 int passthrough = (device_get_parent(child) != dev); 1053 struct resource_list_entry *rle = 0; 1054 int ret; 1055 int flags; 1056 1057 if (passthrough) 1058 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1059 type, rid, r); 1060 1061 dinfo = device_get_ivars(child); 1062 1063 rle = resource_list_find(&dinfo->resources, type, rid); 1064 1065 if (!rle) { 1066 device_printf(dev, "Allocated resource not found, " 1067 "%d %x %lx %lx\n", 1068 type, rid, rman_get_start(r), rman_get_size(r)); 1069 return ENOENT; 1070 } 1071 if (!rle->res) { 1072 device_printf(dev, "Allocated resource not recorded\n"); 1073 return ENOENT; 1074 } 1075 1076 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1077 type, rid, r); 1078 switch(type) { 1079 case SYS_RES_IOPORT: 1080 case SYS_RES_MEMORY: 1081 flags = rman_make_alignment_flags(rle->count); 1082 break; 1083 case SYS_RES_IRQ: 1084 flags = RF_SHAREABLE; 1085 break; 1086 default: 1087 flags = 0; 1088 } 1089 rle->res = bus_alloc_resource(dev, type, &rid, 1090 rle->start, rle->end, rle->count, flags); 1091 if (rle->res == NULL) 1092 device_printf(dev, "release_resource: " 1093 "unable to reaquire resource\n"); 1094 return ret; 1095} 1096 1097static void 1098pccard_child_detached(device_t parent, device_t dev) 1099{ 1100 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1101 struct pccard_function *pf = ivar->fcn; 1102 1103 pccard_function_disable(pf); 1104} 1105 1106static void 1107pccard_intr(void *arg) 1108{ 1109 struct pccard_function *pf = (struct pccard_function*) arg; 1110 int reg; 1111 1112 /* 1113 * If we go to resetting a card, we may need a null interrupt hanlder 1114 * to work (since the system may call it before the device can 1115 * establish an ISR) due to interrupt sharing at a higher level. 1116 */ 1117 if (pf->intr_handler == NULL) 1118 panic("Null interrupt handler?\n"); 1119 1120 /* 1121 * XXX The CCR_STATUS register bits used here are 1122 * only valid for multi function cards. 1123 */ 1124 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1125 if (reg & PCCARD_CCR_STATUS_INTR) { 1126 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1127 reg & ~PCCARD_CCR_STATUS_INTR); 1128 pf->intr_handler(pf->intr_handler_arg); 1129 } 1130} 1131 1132static int 1133pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1134 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1135{ 1136 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1137 struct pccard_function *func = ivar->fcn; 1138 1139 if (func->intr_handler != NULL) 1140 panic("Only one interrupt handler per function allowed\n"); 1141 1142 func->intr_handler = intr; 1143 func->intr_handler_arg = arg; 1144 func->intr_handler_cookie = *cookiep; 1145 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1146 pccard_ccr_read(func, PCCARD_CCR_OPTION) | 1147 PCCARD_CCR_OPTION_IREQ_ENABLE); 1148 1149 /* 1150 * XXX Don't use TTY type for our interrupt handler. It makes 1151 * the spl masks wrong on -stable. Instead, we should use the type 1152 * that was requested of us. 1153 */ 1154 bus_setup_intr(dev, irq, INTR_TYPE_TTY/* | INTR_FAST*/, 1155 pccard_intr, func, cookiep); 1156 return (0); 1157} 1158 1159static int 1160pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1161 void *cookie) 1162{ 1163 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1164 struct pccard_function *func = ivar->fcn; 1165 int ret; 1166 1167 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1168 pccard_ccr_read(func, PCCARD_CCR_OPTION) & 1169 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1170 1171 ret = bus_teardown_intr(dev, r, cookie); 1172 if (ret == 0) { 1173 func->intr_handler = NULL; 1174 func->intr_handler_arg = NULL; 1175 func->intr_handler_cookie = NULL; 1176 } 1177 1178 return (ret); 1179} 1180 1181static device_method_t pccard_methods[] = { 1182 /* Device interface */ 1183 DEVMETHOD(device_probe, pccard_probe), 1184 DEVMETHOD(device_attach, pccard_attach), 1185 DEVMETHOD(device_detach, pccard_detach), 1186 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1187 DEVMETHOD(device_suspend, bus_generic_suspend), 1188 DEVMETHOD(device_resume, bus_generic_resume), 1189 1190 /* Bus interface */ 1191 DEVMETHOD(bus_print_child, pccard_print_child), 1192 DEVMETHOD(bus_driver_added, pccard_driver_added), 1193 DEVMETHOD(bus_child_detached, pccard_child_detached), 1194 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1195 DEVMETHOD(bus_release_resource, pccard_release_resource), 1196 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 1197 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 1198 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1199 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1200 DEVMETHOD(bus_set_resource, pccard_set_resource), 1201 DEVMETHOD(bus_get_resource, pccard_get_resource), 1202 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1203 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1204 1205 /* Card Interface */ 1206 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1207 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1208 DEVMETHOD(card_get_type, pccard_card_gettype), 1209 DEVMETHOD(card_attach_card, pccard_attach_card), 1210 DEVMETHOD(card_detach_card, pccard_detach_card), 1211 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe), 1212 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach), 1213 1214 { 0, 0 } 1215}; 1216 1217static driver_t pccard_driver = { 1218 "pccard", 1219 pccard_methods, 1220 sizeof(struct pccard_softc) 1221}; 1222 1223devclass_t pccard_devclass; 1224 1225DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1226DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0); 1227DRIVER_MODULE(pccard, pccbb, pccard_driver, pccard_devclass, 0, 0); 1228DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0); 1229MODULE_VERSION(pccard, 1); 1230/*MODULE_DEPEND(pccard, pcic, 1, 1, 1);*/ 1231