pccard.c revision 67187
1/* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */ 2/* $FreeBSD: head/sys/dev/pccard/pccard.c 67187 2000-10-16 07:51:12Z imp $ */ 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#else 59#define DPRINTF(arg) 60#define DEVPRINTF(arg) 61#endif 62 63#ifdef PCCARDVERBOSE 64int pccard_verbose = 1; 65#else 66int pccard_verbose = 0; 67#endif 68 69int pccard_print(void *, const char *); 70 71int 72pccard_ccr_read(pf, ccr) 73 struct pccard_function *pf; 74 int ccr; 75{ 76 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 77 pf->pf_ccr_offset + ccr)); 78} 79 80void 81pccard_ccr_write(pf, ccr, val) 82 struct pccard_function *pf; 83 int ccr; 84 int val; 85{ 86 87 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 88 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 89 pf->pf_ccr_offset + ccr, val); 90 } 91} 92 93static int 94pccard_attach_card(device_t dev) 95{ 96 struct pccard_softc *sc = PCCARD_SOFTC(dev); 97 struct pccard_function *pf; 98 struct pccard_ivar *ivar; 99 device_t child; 100 int attached; 101 102 DEVPRINTF((dev, "pccard_card_attach\n")); 103 /* 104 * this is here so that when socket_enable calls gettype, trt happens 105 */ 106 STAILQ_INIT(&sc->card.pf_head); 107 108 DEVPRINTF((dev, "chip_socket_enable\n")); 109 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 110 111 DEVPRINTF((dev, "read_cis\n")); 112 pccard_read_cis(sc); 113 114 DEVPRINTF((dev, "check_cis_quirks\n")); 115 pccard_check_cis_quirks(dev); 116 117 /* 118 * bail now if the card has no functions, or if there was an error in 119 * the cis. 120 */ 121 122 if (sc->card.error) 123 return (1); 124 if (STAILQ_EMPTY(&sc->card.pf_head)) 125 return (1); 126 127 if (1) 128 pccard_print_cis(dev); 129 130 attached = 0; 131 132 DEVPRINTF((dev, "functions scanning\n")); 133 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 134 if (STAILQ_EMPTY(&pf->cfe_head)) 135 continue; 136 137 pf->sc = sc; 138 pf->cfe = NULL; 139 pf->dev = NULL; 140 } 141#if 0 142 DEVPRINTF((dev, "chip_socket_disable\n")); 143 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 144#endif 145 146 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 147 if (STAILQ_EMPTY(&pf->cfe_head)) 148 continue; 149 /* 150 * In NetBSD, the drivers are responsible for activating 151 * each function of a card. I think that in FreeBSD we 152 * want to activate them enough for the usual bus_*_resource 153 * routines will do the right thing. This many mean a 154 * departure from the current NetBSD model. 155 * 156 * This could get really ugly for multifunction cards. But 157 * it might also just fall out of the FreeBSD resource model. 158 * 159 */ 160 device_printf(dev, "Starting to attach....\n"); 161 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, M_WAITOK); 162 bzero(ivar, sizeof *ivar); 163 child = device_add_child(dev, NULL, -1); 164 device_set_ivars(child, ivar); 165 ivar->fcn = pf; 166 pf->dev = child; 167 /* 168 * XXX We might want to move the next two lines into 169 * XXX the pccard interface layer. For the moment, this 170 * XXX is OK, but some drivers want to pick the config 171 * XXX entry to use as well as some address tweaks (mostly 172 * XXX due to bugs in decode logic that makes some 173 * XXX addresses illegal or broken). 174 */ 175 pccard_function_init(pf); 176 pccard_function_enable(pf); 177 device_printf(dev, "pf %p pf->sc %p\n", pf, pf->sc); 178 if (device_probe_and_attach(child) == 0) { 179 attached++; 180 181 DEVPRINTF((sc->dev, "function %d CCR at %d " 182 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 183 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 184 pccard_ccr_read(pf, 0x00), 185 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 186 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 187 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 188 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 189 } else { 190 device_delete_child(dev, child); 191 } 192 } 193 return 0; 194} 195 196static int 197pccard_detach_card(device_t dev, int flags) 198{ 199 struct pccard_softc *sc = PCCARD_SOFTC(dev); 200 struct pccard_function *pf; 201 202 /* 203 * We are running on either the PCCARD socket's event thread 204 * or in user context detaching a device by user request. 205 */ 206 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 207 if (STAILQ_FIRST(&pf->cfe_head) == NULL) 208 continue; 209 210 pccard_function_disable(pf); 211 if (pf->dev) 212 device_delete_child(dev, pf->dev); 213 } 214 return 0; 215} 216 217const struct pccard_product * 218pccard_product_lookup(device_t dev, const struct pccard_product *tab, 219 size_t ent_size, pccard_product_match_fn matchfn) 220{ 221 const struct pccard_product *ent; 222 int matches; 223 u_int32_t fcn; 224 u_int32_t vendor; 225 u_int32_t prod; 226 char *vendorstr; 227 char *prodstr; 228 229#ifdef DIAGNOSTIC 230 if (sizeof *ent > ent_size) 231 panic("pccard_product_lookup: bogus ent_size %ld", 232 (long) ent_size); 233#endif 234 if (pccard_get_vendor(dev, &vendor)) 235 return (NULL); 236 if (pccard_get_product(dev, &prod)) 237 return (NULL); 238 if (pccard_get_function_number(dev, &fcn)) 239 return (NULL); 240 if (pccard_get_vendor_str(dev, &vendorstr)) 241 return (NULL); 242 if (pccard_get_product_str(dev, &prodstr)) 243 return (NULL); 244 for (ent = tab; ent->pp_name != NULL; 245 ent = (const struct pccard_product *) 246 ((const char *) ent + ent_size)) { 247 matches = 1; 248 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 249 vendor != ent->pp_vendor) 250 matches = 0; 251 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 252 prod != ent->pp_product) 253 matches = 0; 254 if (matches && fcn != ent->pp_expfunc) 255 matches = 0; 256 if (matches && ent->pp_vendor_str && 257 strcmp(ent->pp_vendor_str, vendorstr) != 0) 258 matches = 0; 259 if (matches && ent->pp_product_str && 260 strcmp(ent->pp_product_str, prodstr) != 0) 261 matches = 0; 262 if (matchfn != NULL) 263 matches = (*matchfn)(dev, ent, matches); 264 if (matches) 265 return (ent); 266 } 267 return (NULL); 268} 269 270static int 271pccard_card_gettype(device_t dev, int *type) 272{ 273 struct pccard_softc *sc = PCCARD_SOFTC(dev); 274 struct pccard_function *pf; 275 276 /* 277 * set the iftype to memory if this card has no functions (not yet 278 * probed), or only one function, and that is not initialized yet or 279 * that is memory. 280 */ 281 pf = STAILQ_FIRST(&sc->card.pf_head); 282 if (pf == NULL || 283 (STAILQ_NEXT(pf, pf_list) == NULL && 284 (pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY))) 285 *type = PCCARD_IFTYPE_MEMORY; 286 else 287 *type = PCCARD_IFTYPE_IO; 288 return 0; 289} 290 291/* 292 * Initialize a PCCARD function. May be called as long as the function is 293 * disabled. 294 */ 295void 296pccard_function_init(struct pccard_function *pf) 297{ 298 struct pccard_config_entry *cfe; 299 int i; 300 301 if (pf->pf_flags & PFF_ENABLED) 302 panic("pccard_function_init: function is enabled"); 303 304 /* Remember which configuration entry we are using. */ 305 for (cfe = STAILQ_FIRST(&pf->cfe_head); cfe != NULL; 306 cfe = STAILQ_NEXT(cfe, cfe_list)) { 307 for (i = 0; i < cfe->num_iospace; i++) 308 cfe->iores[i] = NULL; 309 cfe->irqres = NULL; 310 for (i = 0; i < cfe->num_iospace; i++) { 311 /* XXX kludge, need to not ignore start */ 312 /* XXX start is a hint here, so this would break */ 313 /* XXX modems */ 314 cfe->iorid[i] = i; 315 cfe->iores[i] = bus_alloc_resource(pf->dev, 316 SYS_RES_IOPORT, &cfe->iorid[i], 0x300, 0x3ff, 317 cfe->iospace[i].length, 0); 318 if (cfe->iores[i] == 0) 319 goto not_this_one; 320 321 } 322 if (cfe->num_memspace > 0) { 323 goto not_this_one; 324 } 325 if (cfe->irqmask) { 326 cfe->irqrid = 0; 327 cfe->irqres = bus_alloc_resource(pf->dev, SYS_RES_IRQ, 328 &cfe->irqrid, 10, 12, 1, 0); 329 if (cfe->irqres == 0) 330 goto not_this_one; 331 } 332 /* XXX Don't know how to deal with maxtwins */ 333 /* If we get to here, we've allocated all we need */ 334 pf->cfe = cfe; 335 break; 336 not_this_one:; 337 for (i = 0; i < cfe->num_iospace; i++) { 338 if (cfe->iores[i]) 339 bus_release_resource(pf->dev, SYS_RES_IOPORT, 340 cfe->iorid[i], cfe->iores[i]); 341 cfe->iores[i] = NULL; 342 } 343 if (cfe->irqmask && cfe->irqres) { 344 bus_release_resource(pf->dev, SYS_RES_IRQ, 345 cfe->irqrid, cfe->irqres); 346 cfe->irqres = NULL; 347 } 348 } 349} 350 351/* Enable a PCCARD function */ 352int 353pccard_function_enable(struct pccard_function *pf) 354{ 355 struct pccard_function *tmp; 356 int reg; 357 device_t dev = pf->sc->dev; 358 359 if (pf->cfe == NULL) 360 panic("pccard_function_enable: function not initialized"); 361 362 /* 363 * Increase the reference count on the socket, enabling power, if 364 * necessary. 365 */ 366 if (pf->sc->sc_enabled_count++ == 0) 367 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 368 DEVPRINTF((dev, "++enabled_count = %d\n", pf->sc->sc_enabled_count)); 369 370 if (pf->pf_flags & PFF_ENABLED) { 371 /* 372 * Don't do anything if we're already enabled. 373 */ 374 return (0); 375 } 376 377 /* 378 * it's possible for different functions' CCRs to be in the same 379 * underlying page. Check for that. 380 */ 381 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 382 if ((tmp->pf_flags & PFF_ENABLED) && 383 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 384 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 385 (tmp->ccr_base - tmp->pf_ccr_offset + 386 tmp->pf_ccr_realsize))) { 387 pf->pf_ccrt = tmp->pf_ccrt; 388 pf->pf_ccrh = tmp->pf_ccrh; 389 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 390 391 /* 392 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 393 * tmp->ccr_base) + pf->ccr_base; 394 */ 395 pf->pf_ccr_offset = 396 (tmp->pf_ccr_offset + pf->ccr_base) - 397 tmp->ccr_base; 398 pf->pf_ccr_window = tmp->pf_ccr_window; 399 break; 400 } 401 } 402 403 if (tmp == NULL) { 404 pf->ccr_rid = 0; 405 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 406 &pf->ccr_rid, 0xa0000, 0xdffff, 1 << 10, RF_ACTIVE); 407 if (!pf->ccr_res) { 408 DEVPRINTF((dev, "ccr_res == 0\n")); 409 goto bad; 410 } 411 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 412 pf->ccr_rid, PCCARD_A_MEM_ATTR); 413 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 414 pf->ccr_rid, (pf->ccr_rid >> 10) << 10); 415 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 416 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 417 pf->pf_ccr_offset = rman_get_start(pf->ccr_res); 418 pf->pf_ccr_realsize = 1; 419 } 420 421 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 422 reg |= PCCARD_CCR_OPTION_LEVIREQ; 423 if (pccard_mfc(pf->sc)) { 424 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 425 PCCARD_CCR_OPTION_ADDR_DECODE); 426 /* 427 * XXX Need to enable PCCARD_CCR_OPTION_IRQ_ENABLE if 428 * XXX we have an interrupt handler, but we don't know that 429 * XXX at this point. 430 */ 431#if 0 432 if (pf->ih_fct) 433 reg |= PCCARD_CCR_OPTION_IREQ_ENABLE; 434#endif 435 } 436 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 437 438 reg = 0; 439 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 440 reg |= PCCARD_CCR_STATUS_IOIS8; 441 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 442 reg |= PCCARD_CCR_STATUS_AUDIO; 443 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 444 445 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 446 447 if (pccard_mfc(pf->sc)) { 448 long tmp, iosize; 449 450 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 451 /* round up to nearest (2^n)-1 */ 452 for (iosize = 1; iosize < tmp; iosize <<= 1) 453 ; 454 iosize--; 455 456 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 457 pf->pf_mfc_iobase & 0xff); 458 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 459 (pf->pf_mfc_iobase >> 8) & 0xff); 460 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 461 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 462 463 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 464 } 465 466#ifdef PCCARDDEBUG 467 if (pccard_debug) { 468 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 469 device_printf(tmp->sc->dev, 470 "function %d CCR at %d offset %x: " 471 "%x %x %x %x, %x %x %x %x, %x\n", 472 tmp->number, tmp->pf_ccr_window, 473 tmp->pf_ccr_offset, 474 pccard_ccr_read(tmp, 0x00), 475 pccard_ccr_read(tmp, 0x02), 476 pccard_ccr_read(tmp, 0x04), 477 pccard_ccr_read(tmp, 0x06), 478 pccard_ccr_read(tmp, 0x0A), 479 pccard_ccr_read(tmp, 0x0C), 480 pccard_ccr_read(tmp, 0x0E), 481 pccard_ccr_read(tmp, 0x10), 482 pccard_ccr_read(tmp, 0x12)); 483 } 484 } 485#endif 486 pf->pf_flags |= PFF_ENABLED; 487 return (0); 488 489 bad: 490 /* 491 * Decrement the reference count, and power down the socket, if 492 * necessary. 493 */ 494 if (--pf->sc->sc_enabled_count == 0) 495 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 496 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 497 498 return (1); 499} 500 501/* Disable PCCARD function. */ 502void 503pccard_function_disable(struct pccard_function *pf) 504{ 505 struct pccard_function *tmp; 506 device_t dev = pf->sc->dev; 507 508 if (pf->cfe == NULL) 509 panic("pccard_function_disable: function not initialized"); 510 511 if ((pf->pf_flags & PFF_ENABLED) == 0) { 512 /* 513 * Don't do anything if we're already disabled. 514 */ 515 return; 516 } 517 518 /* 519 * it's possible for different functions' CCRs to be in the same 520 * underlying page. Check for that. Note we mark us as disabled 521 * first to avoid matching ourself. 522 */ 523 524 pf->pf_flags &= ~PFF_ENABLED; 525 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 526 if ((tmp->pf_flags & PFF_ENABLED) && 527 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 528 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 529 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 530 break; 531 } 532 533 /* Not used by anyone else; unmap the CCR. */ 534 if (tmp == NULL) { 535 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 536 pf->ccr_res); 537 pf->ccr_res = NULL; 538 } 539 540 /* 541 * Decrement the reference count, and power down the socket, if 542 * necessary. 543 */ 544 if (--pf->sc->sc_enabled_count == 0) 545 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 546 DEVPRINTF((dev, "--enabled_count = %d\n", pf->sc->sc_enabled_count)); 547} 548 549#if 0 550/* XXX These functions are needed, but not like this XXX */ 551int 552pccard_io_map(struct pccard_function *pf, int width, bus_addr_t offset, 553 bus_size_t size, struct pccard_io_handle *pcihp, int *windowp) 554{ 555 int reg; 556 557 if (pccard_chip_io_map(pf->sc->pct, pf->sc->pch, width, offset, size, 558 pcihp, windowp)) 559 return (1); 560 561 /* 562 * XXX in the multifunction multi-iospace-per-function case, this 563 * needs to cooperate with io_alloc to make sure that the spaces 564 * don't overlap, and that the ccr's are set correctly 565 */ 566 567 if (pccard_mfc(pf->sc)) { 568 long tmp, iosize; 569 570 if (pf->pf_mfc_iomax == 0) { 571 pf->pf_mfc_iobase = pcihp->addr + offset; 572 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 573 } else { 574 /* this makes the assumption that nothing overlaps */ 575 if (pf->pf_mfc_iobase > pcihp->addr + offset) 576 pf->pf_mfc_iobase = pcihp->addr + offset; 577 if (pf->pf_mfc_iomax < pcihp->addr + offset + size) 578 pf->pf_mfc_iomax = pcihp->addr + offset + size; 579 } 580 581 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 582 /* round up to nearest (2^n)-1 */ 583 for (iosize = 1; iosize >= tmp; iosize <<= 1) 584 ; 585 iosize--; 586 587 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 588 pf->pf_mfc_iobase & 0xff); 589 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 590 (pf->pf_mfc_iobase >> 8) & 0xff); 591 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 592 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 593 594 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 595 596 reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION); 597 reg |= PCCARD_CCR_OPTION_ADDR_DECODE; 598 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 599 } 600 return (0); 601} 602 603void 604pccard_io_unmap(struct pccard_function *pf, int window) 605{ 606 607 pccard_chip_io_unmap(pf->sc->pct, pf->sc->pch, window); 608 609 /* XXX Anything for multi-function cards? */ 610} 611#endif 612 613/* 614 * simulate the old "probe" routine. In the new world order, the driver 615 * needs to grab devices while in the old they were assigned to the device by 616 * the pccardd process. These symbols are exported to the upper layers. 617 */ 618int 619pccard_compat_probe(device_t dev) 620{ 621 return (CARD_COMPAT_MATCH(dev)); 622} 623 624int 625pccard_compat_attach(device_t dev) 626{ 627 int err; 628 629 err = CARD_COMPAT_PROBE(dev); 630 if (err == 0) 631 err = CARD_COMPAT_ATTACH(dev); 632 return (err); 633} 634 635#define PCCARD_NPORT 2 636#define PCCARD_NMEM 5 637#define PCCARD_NIRQ 1 638#define PCCARD_NDRQ 0 639 640static int 641pccard_add_children(device_t dev, int busno) 642{ 643 /* Call parent to scan for any current children */ 644 return 0; 645} 646 647static int 648pccard_probe(device_t dev) 649{ 650 device_set_desc(dev, "PC Card bus -- newconfig version"); 651 return pccard_add_children(dev, device_get_unit(dev)); 652} 653 654static int 655pccard_attach(device_t dev) 656{ 657 struct pccard_softc *sc = PCCARD_SOFTC(dev); 658 659 sc->dev = dev; 660 sc->sc_enabled_count = 0; 661 DEVPRINTF((dev, "pccard_attach %p\n", dev)); 662 return bus_generic_attach(dev); 663} 664 665static void 666pccard_print_resources(struct resource_list *rl, const char *name, int type, 667 int count, const char *format) 668{ 669 struct resource_list_entry *rle; 670 int printed; 671 int i; 672 673 printed = 0; 674 for (i = 0; i < count; i++) { 675 rle = resource_list_find(rl, type, i); 676 if (rle) { 677 if (printed == 0) 678 printf(" %s ", name); 679 else if (printed > 0) 680 printf(","); 681 printed++; 682 printf(format, rle->start); 683 if (rle->count > 1) { 684 printf("-"); 685 printf(format, rle->start + rle->count - 1); 686 } 687 } else if (i > 3) { 688 /* check the first few regardless */ 689 break; 690 } 691 } 692} 693 694static int 695pccard_print_child(device_t dev, device_t child) 696{ 697 struct pccard_ivar *devi = PCCARD_IVAR(child); 698 struct resource_list *rl = &devi->resources; 699 int retval = 0; 700 701 retval += bus_print_child_header(dev, child); 702 retval += printf(" at"); 703 704 if (devi) { 705 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 706 PCCARD_NPORT, "%#lx"); 707 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 708 PCCARD_NMEM, "%#lx"); 709 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 710 "%ld"); 711 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 712 "%ld"); 713 } 714 715 retval += bus_print_child_footer(dev, child); 716 717 return (retval); 718} 719 720static int 721pccard_set_resource(device_t dev, device_t child, int type, int rid, 722 u_long start, u_long count) 723{ 724 struct pccard_ivar *devi = PCCARD_IVAR(child); 725 struct resource_list *rl = &devi->resources; 726 727 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 728 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 729 return EINVAL; 730 if (rid < 0) 731 return EINVAL; 732 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 733 return EINVAL; 734 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 735 return EINVAL; 736 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 737 return EINVAL; 738 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 739 return EINVAL; 740 741 resource_list_add(rl, type, rid, start, start + count - 1, count); 742 743 return 0; 744} 745 746static int 747pccard_get_resource(device_t dev, device_t child, int type, int rid, 748 u_long *startp, u_long *countp) 749{ 750 struct pccard_ivar *devi = PCCARD_IVAR(child); 751 struct resource_list *rl = &devi->resources; 752 struct resource_list_entry *rle; 753 754 rle = resource_list_find(rl, type, rid); 755 if (!rle) 756 return ENOENT; 757 758 if (startp) 759 *startp = rle->start; 760 if (countp) 761 *countp = rle->count; 762 763 return 0; 764} 765 766static void 767pccard_delete_resource(device_t dev, device_t child, int type, int rid) 768{ 769 struct pccard_ivar *devi = PCCARD_IVAR(child); 770 struct resource_list *rl = &devi->resources; 771 resource_list_delete(rl, type, rid); 772} 773 774static int 775pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 776 u_int32_t flags) 777{ 778 return CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 779 rid, flags); 780} 781 782static int 783pccard_set_memory_offset(device_t dev, device_t child, int rid, 784 u_int32_t offset) 785{ 786 return CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 787 offset); 788} 789 790static int 791pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 792{ 793 struct pccard_ivar *devi = PCCARD_IVAR(child); 794 struct pccard_function *func = devi->fcn; 795 struct pccard_softc *sc = PCCARD_SOFTC(bus); 796 797 /* PCCARD_IVAR_ETHADDR unhandled from oldcard */ 798 switch (which) { 799 default: 800 case PCCARD_IVAR_ETHADDR: 801 return (ENOENT); 802 break; 803 case PCCARD_IVAR_VENDOR: 804 *(u_int32_t *) result = sc->card.manufacturer; 805 break; 806 case PCCARD_IVAR_PRODUCT: 807 *(u_int32_t *) result = sc->card.product; 808 break; 809 case PCCARD_IVAR_FUNCTION_NUMBER: 810 if (!func) { 811 device_printf(bus, "No function number, bug!\n"); 812 return (ENOENT); 813 } 814 *(u_int32_t *) result = func->number; 815 break; 816 case PCCARD_IVAR_VENDOR_STR: 817 *(char **) result = sc->card.cis1_info[0]; 818 break; 819 case PCCARD_IVAR_PRODUCT_STR: 820 *(char **) result = sc->card.cis1_info[1]; 821 break; 822 case PCCARD_IVAR_CIS3_STR: 823 *(char **) result = sc->card.cis1_info[2]; 824 break; 825 case PCCARD_IVAR_CIS4_STR: 826 *(char **) result = sc->card.cis1_info[2]; 827 break; 828 } 829 return (0); 830} 831 832static void 833pccard_driver_added(device_t dev, driver_t *driver) 834{ 835 /* 836 * XXX eventually we need to attach stuff when we know we 837 * XXX have kids. For now we do nothing because we normally 838 * XXX add children ourselves. We don't want to necessarily 839 * XXX force a reprobe. 840 */ 841} 842 843static device_method_t pccard_methods[] = { 844 /* Device interface */ 845 DEVMETHOD(device_probe, pccard_probe), 846 DEVMETHOD(device_attach, pccard_attach), 847 DEVMETHOD(device_detach, bus_generic_detach), 848 DEVMETHOD(device_shutdown, bus_generic_shutdown), 849 DEVMETHOD(device_suspend, bus_generic_suspend), 850 DEVMETHOD(device_resume, bus_generic_resume), 851 852 /* Bus interface */ 853 DEVMETHOD(bus_print_child, pccard_print_child), 854 DEVMETHOD(bus_driver_added, pccard_driver_added), 855 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), 856 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 857 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 858 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 859 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 860 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 861 DEVMETHOD(bus_set_resource, pccard_set_resource), 862 DEVMETHOD(bus_get_resource, pccard_get_resource), 863 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 864 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 865 866 /* Card Interface */ 867 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 868 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 869 DEVMETHOD(card_get_type, pccard_card_gettype), 870 DEVMETHOD(card_attach_card, pccard_attach_card), 871 DEVMETHOD(card_detach_card, pccard_detach_card), 872 873 { 0, 0 } 874}; 875 876static driver_t pccard_driver = { 877 "pccard", 878 pccard_methods, 879 sizeof(struct pccard_softc) 880}; 881 882devclass_t pccard_devclass; 883 884DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 885DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0); 886DRIVER_MODULE(pccard, pccbb, pccard_driver, pccard_devclass, 0, 0); 887DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0); 888MODULE_VERSION(pccard, 1); 889MODULE_DEPEND(pccard, pcic, 1, 1, 1); 890