pccard.c revision 67333
1/* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */ 2/* $FreeBSD: head/sys/dev/pccard/pccard.c 67333 2000-10-19 22:36:41Z 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#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 73int pccard_print(void *, const char *); 74 75int 76pccard_ccr_read(pf, ccr) 77 struct pccard_function *pf; 78 int ccr; 79{ 80 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 81 pf->pf_ccr_offset + ccr)); 82} 83 84void 85pccard_ccr_write(pf, ccr, val) 86 struct pccard_function *pf; 87 int ccr; 88 int val; 89{ 90 91 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 92 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 93 pf->pf_ccr_offset + ccr, val); 94 } 95} 96 97static int 98pccard_attach_card(device_t dev) 99{ 100 struct pccard_softc *sc = PCCARD_SOFTC(dev); 101 struct pccard_function *pf; 102 struct pccard_ivar *ivar; 103 device_t child; 104 int attached; 105 106 /* 107 * this is here so that when socket_enable calls gettype, trt happens 108 */ 109 STAILQ_INIT(&sc->card.pf_head); 110 111 DEVPRINTF((dev, "chip_socket_enable\n")); 112 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 113 114 DEVPRINTF((dev, "read_cis\n")); 115 pccard_read_cis(sc); 116 117 DEVPRINTF((dev, "check_cis_quirks\n")); 118 pccard_check_cis_quirks(dev); 119 120 /* 121 * bail now if the card has no functions, or if there was an error in 122 * the cis. 123 */ 124 125 if (sc->card.error) 126 return (1); 127 if (STAILQ_EMPTY(&sc->card.pf_head)) 128 return (1); 129 130 if (1) 131 pccard_print_cis(dev); 132 133 attached = 0; 134 135 DEVPRINTF((dev, "functions scanning\n")); 136 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 137 if (STAILQ_EMPTY(&pf->cfe_head)) 138 continue; 139 140 pf->sc = sc; 141 pf->cfe = NULL; 142 pf->dev = NULL; 143 } 144#if 0 145 DEVPRINTF((dev, "chip_socket_disable\n")); 146 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 147#endif 148 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 149 if (STAILQ_EMPTY(&pf->cfe_head)) 150 continue; 151 /* 152 * In NetBSD, the drivers are responsible for activating 153 * each function of a card. I think that in FreeBSD we 154 * want to activate them enough for the usual bus_*_resource 155 * routines will do the right thing. This many mean a 156 * departure from the current NetBSD model. 157 * 158 * This could get really ugly for multifunction cards. But 159 * it might also just fall out of the FreeBSD resource model. 160 * 161 */ 162 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, M_WAITOK); 163 bzero(ivar, sizeof *ivar); 164 child = device_add_child(dev, NULL, -1); 165 device_set_ivars(child, ivar); 166 ivar->fcn = pf; 167 pf->dev = child; 168 /* 169 * XXX We might want to move the next two lines into 170 * XXX the pccard interface layer. For the moment, this 171 * XXX is OK, but some drivers want to pick the config 172 * XXX entry to use as well as some address tweaks (mostly 173 * XXX due to bugs in decode logic that makes some 174 * XXX addresses illegal or broken). 175 */ 176 pccard_function_init(pf); 177 if (pccard_function_enable(pf) == 0 && 178 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 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 301 struct resource_list *rl = &devi->resources; 302 struct resource *r = 0; 303 device_t bus; 304 305 if (pf->pf_flags & PFF_ENABLED) 306 panic("pccard_function_init: function is enabled"); 307 308 bus = device_get_parent(pf->dev); 309 /* Remember which configuration entry we are using. */ 310 for (cfe = STAILQ_FIRST(&pf->cfe_head); cfe != NULL; 311 cfe = STAILQ_NEXT(cfe, cfe_list)) { 312 for (i = 0; i < cfe->num_iospace; i++) 313 cfe->iores[i] = NULL; 314 cfe->irqres = NULL; 315 for (i = 0; i < cfe->num_iospace; i++) { 316 /* XXX kludge, need to not ignore start */ 317 /* XXX start is a hint here, so this would break */ 318 /* XXX modems */ 319 /* XXX ALSO: should just ask for the range 0 to */ 320 /* XXX 1 << decode bits - 1, so we have a layering */ 321 /* XXX violation now */ 322 cfe->iorid[i] = i; 323 r = cfe->iores[i] = bus_alloc_resource(bus, 324 SYS_RES_IOPORT, &cfe->iorid[i], 0x100, 0x3ff, 325 cfe->iospace[i].length, 0); 326 if (cfe->iores[i] == 0) 327 goto not_this_one; 328 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i], 329 rman_get_start(r), rman_get_end(r), 330 cfe->iospace[i].length); 331 332 } 333 if (cfe->num_memspace > 0) { 334 goto not_this_one; 335 } 336 if (cfe->irqmask) { 337 cfe->irqrid = 0; 338 cfe->irqres = bus_alloc_resource(bus, SYS_RES_IRQ, 339 &cfe->irqrid, 10, 12, 1, 0); 340 if (cfe->irqres == 0) 341 goto not_this_one; 342 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid, 343 rman_get_start(r), rman_get_end(r), 1); 344 } 345 /* XXX Don't know how to deal with maxtwins */ 346 /* If we get to here, we've allocated all we need */ 347 pf->cfe = cfe; 348 break; 349 not_this_one:; 350 /* 351 * Release resources that we partially allocated 352 * from this config entry. 353 */ 354 for (i = 0; i < cfe->num_iospace; i++) { 355 resource_list_delete(rl, SYS_RES_IOPORT, i); 356 if (cfe->iores[i]) 357 bus_release_resource(bus, SYS_RES_IOPORT, 358 cfe->iorid[i], cfe->iores[i]); 359 cfe->iores[i] = NULL; 360 } 361 if (cfe->irqmask && cfe->irqres) { 362 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid); 363 bus_release_resource(bus, SYS_RES_IRQ, 364 cfe->irqrid, cfe->irqres); 365 cfe->irqres = NULL; 366 } 367 } 368} 369 370/* Enable a PCCARD function */ 371int 372pccard_function_enable(struct pccard_function *pf) 373{ 374 struct pccard_function *tmp; 375 int reg; 376 device_t dev = pf->sc->dev; 377 378 if (pf->cfe == NULL) { 379 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 380 return ENOMEM; 381 } 382 383 /* 384 * Increase the reference count on the socket, enabling power, if 385 * necessary. 386 */ 387 if (pf->sc->sc_enabled_count++ == 0) 388 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 389 DEVPRINTF((dev, "++enabled_count = %d\n", pf->sc->sc_enabled_count)); 390 391 if (pf->pf_flags & PFF_ENABLED) { 392 /* 393 * Don't do anything if we're already enabled. 394 */ 395 return (0); 396 } 397 398 /* 399 * it's possible for different functions' CCRs to be in the same 400 * underlying page. Check for that. 401 */ 402 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 403 if ((tmp->pf_flags & PFF_ENABLED) && 404 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 405 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 406 (tmp->ccr_base - tmp->pf_ccr_offset + 407 tmp->pf_ccr_realsize))) { 408 pf->pf_ccrt = tmp->pf_ccrt; 409 pf->pf_ccrh = tmp->pf_ccrh; 410 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 411 412 /* 413 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 414 * tmp->ccr_base) + pf->ccr_base; 415 */ 416 pf->pf_ccr_offset = 417 (tmp->pf_ccr_offset + pf->ccr_base) - 418 tmp->ccr_base; 419 pf->pf_ccr_window = tmp->pf_ccr_window; 420 break; 421 } 422 } 423 424 if (tmp == NULL) { 425 pf->ccr_rid = 0; 426 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 427 &pf->ccr_rid, 0xa0000, 0xdffff, 1 << 10, RF_ACTIVE); 428 if (!pf->ccr_res) { 429 DEVPRINTF((dev, "ccr_res == 0\n")); 430 goto bad; 431 } 432 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 433 pf->ccr_rid, PCCARD_A_MEM_ATTR); 434 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 435 pf->ccr_rid, (pf->ccr_rid >> 10) << 10); 436 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 437 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 438 pf->pf_ccr_offset = rman_get_start(pf->ccr_res); 439 pf->pf_ccr_realsize = 1; 440 } 441 442 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 443 reg |= PCCARD_CCR_OPTION_LEVIREQ; 444 if (pccard_mfc(pf->sc)) { 445 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 446 PCCARD_CCR_OPTION_ADDR_DECODE); 447 /* 448 * XXX Need to enable PCCARD_CCR_OPTION_IRQ_ENABLE if 449 * XXX we have an interrupt handler, but we don't know that 450 * XXX at this point. 451 */ 452 reg |= PCCARD_CCR_OPTION_IREQ_ENABLE; 453 } 454 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 455 456 reg = 0; 457 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 458 reg |= PCCARD_CCR_STATUS_IOIS8; 459 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 460 reg |= PCCARD_CCR_STATUS_AUDIO; 461 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 462 463 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 464 465 if (pccard_mfc(pf->sc)) { 466 long tmp, iosize; 467 468 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 469 /* round up to nearest (2^n)-1 */ 470 for (iosize = 1; iosize < tmp; iosize <<= 1) 471 ; 472 iosize--; 473 474 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 475 pf->pf_mfc_iobase & 0xff); 476 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 477 (pf->pf_mfc_iobase >> 8) & 0xff); 478 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 479 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 480 481 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 482 } 483 484#ifdef PCCARDDEBUG 485 if (pccard_debug) { 486 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 487 device_printf(tmp->sc->dev, 488 "function %d CCR at %d offset %x: " 489 "%x %x %x %x, %x %x %x %x, %x\n", 490 tmp->number, tmp->pf_ccr_window, 491 tmp->pf_ccr_offset, 492 pccard_ccr_read(tmp, 0x00), 493 pccard_ccr_read(tmp, 0x02), 494 pccard_ccr_read(tmp, 0x04), 495 pccard_ccr_read(tmp, 0x06), 496 pccard_ccr_read(tmp, 0x0A), 497 pccard_ccr_read(tmp, 0x0C), 498 pccard_ccr_read(tmp, 0x0E), 499 pccard_ccr_read(tmp, 0x10), 500 pccard_ccr_read(tmp, 0x12)); 501 } 502 } 503#endif 504 pf->pf_flags |= PFF_ENABLED; 505 return (0); 506 507 bad: 508 /* 509 * Decrement the reference count, and power down the socket, if 510 * necessary. 511 */ 512 if (--pf->sc->sc_enabled_count == 0) 513 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 514 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 515 516 return (1); 517} 518 519/* Disable PCCARD function. */ 520void 521pccard_function_disable(struct pccard_function *pf) 522{ 523 struct pccard_function *tmp; 524 device_t dev = pf->sc->dev; 525 526 if (pf->cfe == NULL) 527 panic("pccard_function_disable: function not initialized"); 528 529 if ((pf->pf_flags & PFF_ENABLED) == 0) { 530 /* 531 * Don't do anything if we're already disabled. 532 */ 533 return; 534 } 535 536 /* 537 * it's possible for different functions' CCRs to be in the same 538 * underlying page. Check for that. Note we mark us as disabled 539 * first to avoid matching ourself. 540 */ 541 542 pf->pf_flags &= ~PFF_ENABLED; 543 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 544 if ((tmp->pf_flags & PFF_ENABLED) && 545 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 546 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 547 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 548 break; 549 } 550 551 /* Not used by anyone else; unmap the CCR. */ 552 if (tmp == NULL) { 553 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 554 pf->ccr_res); 555 pf->ccr_res = NULL; 556 } 557 558 /* 559 * Decrement the reference count, and power down the socket, if 560 * necessary. 561 */ 562 if (--pf->sc->sc_enabled_count == 0) 563 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 564 DEVPRINTF((dev, "--enabled_count = %d\n", pf->sc->sc_enabled_count)); 565} 566 567#if 0 568/* XXX These functions are needed, but not like this XXX */ 569int 570pccard_io_map(struct pccard_function *pf, int width, bus_addr_t offset, 571 bus_size_t size, struct pccard_io_handle *pcihp, int *windowp) 572{ 573 int reg; 574 575 if (pccard_chip_io_map(pf->sc->pct, pf->sc->pch, width, offset, size, 576 pcihp, windowp)) 577 return (1); 578 579 /* 580 * XXX in the multifunction multi-iospace-per-function case, this 581 * needs to cooperate with io_alloc to make sure that the spaces 582 * don't overlap, and that the ccr's are set correctly 583 */ 584 585 if (pccard_mfc(pf->sc)) { 586 long tmp, iosize; 587 588 if (pf->pf_mfc_iomax == 0) { 589 pf->pf_mfc_iobase = pcihp->addr + offset; 590 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 591 } else { 592 /* this makes the assumption that nothing overlaps */ 593 if (pf->pf_mfc_iobase > pcihp->addr + offset) 594 pf->pf_mfc_iobase = pcihp->addr + offset; 595 if (pf->pf_mfc_iomax < pcihp->addr + offset + size) 596 pf->pf_mfc_iomax = pcihp->addr + offset + size; 597 } 598 599 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 600 /* round up to nearest (2^n)-1 */ 601 for (iosize = 1; iosize >= tmp; iosize <<= 1) 602 ; 603 iosize--; 604 605 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 606 pf->pf_mfc_iobase & 0xff); 607 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 608 (pf->pf_mfc_iobase >> 8) & 0xff); 609 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 610 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 611 612 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 613 614 reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION); 615 reg |= PCCARD_CCR_OPTION_ADDR_DECODE; 616 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 617 } 618 return (0); 619} 620 621void 622pccard_io_unmap(struct pccard_function *pf, int window) 623{ 624 625 pccard_chip_io_unmap(pf->sc->pct, pf->sc->pch, window); 626 627 /* XXX Anything for multi-function cards? */ 628} 629#endif 630 631/* 632 * simulate the old "probe" routine. In the new world order, the driver 633 * needs to grab devices while in the old they were assigned to the device by 634 * the pccardd process. These symbols are exported to the upper layers. 635 */ 636int 637pccard_compat_probe(device_t dev) 638{ 639 return (CARD_COMPAT_MATCH(dev)); 640} 641 642int 643pccard_compat_attach(device_t dev) 644{ 645 int err; 646 647 err = CARD_COMPAT_PROBE(dev); 648 if (err == 0) 649 err = CARD_COMPAT_ATTACH(dev); 650 return (err); 651} 652 653#define PCCARD_NPORT 2 654#define PCCARD_NMEM 5 655#define PCCARD_NIRQ 1 656#define PCCARD_NDRQ 0 657 658static int 659pccard_add_children(device_t dev, int busno) 660{ 661 /* Call parent to scan for any current children */ 662 return 0; 663} 664 665static int 666pccard_probe(device_t dev) 667{ 668 device_set_desc(dev, "16-bit PCCard bus"); 669 return pccard_add_children(dev, device_get_unit(dev)); 670} 671 672static int 673pccard_attach(device_t dev) 674{ 675 struct pccard_softc *sc = PCCARD_SOFTC(dev); 676 677 sc->dev = dev; 678 sc->sc_enabled_count = 0; 679 return bus_generic_attach(dev); 680} 681 682static void 683pccard_print_resources(struct resource_list *rl, const char *name, int type, 684 int count, const char *format) 685{ 686 struct resource_list_entry *rle; 687 int printed; 688 int i; 689 690 printed = 0; 691 for (i = 0; i < count; i++) { 692 rle = resource_list_find(rl, type, i); 693 if (rle) { 694 if (printed == 0) 695 printf(" %s ", name); 696 else if (printed > 0) 697 printf(","); 698 printed++; 699 printf(format, rle->start); 700 if (rle->count > 1) { 701 printf("-"); 702 printf(format, rle->start + rle->count - 1); 703 } 704 } else if (i > 3) { 705 /* check the first few regardless */ 706 break; 707 } 708 } 709} 710 711static int 712pccard_print_child(device_t dev, device_t child) 713{ 714 struct pccard_ivar *devi = PCCARD_IVAR(child); 715 struct resource_list *rl = &devi->resources; 716 int retval = 0; 717 718 retval += bus_print_child_header(dev, child); 719 retval += printf(" at"); 720 721 if (devi) { 722 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 723 PCCARD_NPORT, "%#lx"); 724 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 725 PCCARD_NMEM, "%#lx"); 726 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 727 "%ld"); 728 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 729 "%ld"); 730 retval += printf(" function %d config %d", devi->fcn->number, 731 devi->fcn->cfe->number); 732 } 733 734 retval += bus_print_child_footer(dev, child); 735 736 return (retval); 737} 738 739static int 740pccard_set_resource(device_t dev, device_t child, int type, int rid, 741 u_long start, u_long count) 742{ 743 struct pccard_ivar *devi = PCCARD_IVAR(child); 744 struct resource_list *rl = &devi->resources; 745 746 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 747 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 748 return EINVAL; 749 if (rid < 0) 750 return EINVAL; 751 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 752 return EINVAL; 753 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 754 return EINVAL; 755 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 756 return EINVAL; 757 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 758 return EINVAL; 759 760 resource_list_add(rl, type, rid, start, start + count - 1, count); 761 762 return 0; 763} 764 765static int 766pccard_get_resource(device_t dev, device_t child, int type, int rid, 767 u_long *startp, u_long *countp) 768{ 769 struct pccard_ivar *devi = PCCARD_IVAR(child); 770 struct resource_list *rl = &devi->resources; 771 struct resource_list_entry *rle; 772 773 rle = resource_list_find(rl, type, rid); 774 if (!rle) 775 return ENOENT; 776 777 if (startp) 778 *startp = rle->start; 779 if (countp) 780 *countp = rle->count; 781 782 return 0; 783} 784 785static void 786pccard_delete_resource(device_t dev, device_t child, int type, int rid) 787{ 788 struct pccard_ivar *devi = PCCARD_IVAR(child); 789 struct resource_list *rl = &devi->resources; 790 resource_list_delete(rl, type, rid); 791} 792 793static int 794pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 795 u_int32_t flags) 796{ 797 return CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 798 rid, flags); 799} 800 801static int 802pccard_set_memory_offset(device_t dev, device_t child, int rid, 803 u_int32_t offset) 804{ 805 return CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 806 offset); 807} 808 809static int 810pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 811{ 812 struct pccard_ivar *devi = PCCARD_IVAR(child); 813 struct pccard_function *func = devi->fcn; 814 struct pccard_softc *sc = PCCARD_SOFTC(bus); 815 816 /* PCCARD_IVAR_ETHADDR unhandled from oldcard */ 817 switch (which) { 818 default: 819 case PCCARD_IVAR_ETHADDR: 820 return (ENOENT); 821 break; 822 case PCCARD_IVAR_VENDOR: 823 *(u_int32_t *) result = sc->card.manufacturer; 824 break; 825 case PCCARD_IVAR_PRODUCT: 826 *(u_int32_t *) result = sc->card.product; 827 break; 828 case PCCARD_IVAR_FUNCTION_NUMBER: 829 if (!func) { 830 device_printf(bus, "No function number, bug!\n"); 831 return (ENOENT); 832 } 833 *(u_int32_t *) result = func->number; 834 break; 835 case PCCARD_IVAR_VENDOR_STR: 836 *(char **) result = sc->card.cis1_info[0]; 837 break; 838 case PCCARD_IVAR_PRODUCT_STR: 839 *(char **) result = sc->card.cis1_info[1]; 840 break; 841 case PCCARD_IVAR_CIS3_STR: 842 *(char **) result = sc->card.cis1_info[2]; 843 break; 844 case PCCARD_IVAR_CIS4_STR: 845 *(char **) result = sc->card.cis1_info[2]; 846 break; 847 } 848 return (0); 849} 850 851static void 852pccard_driver_added(device_t dev, driver_t *driver) 853{ 854 /* 855 * XXX eventually we need to attach stuff when we know we 856 * XXX have kids. For now we do nothing because we normally 857 * XXX add children ourselves. We don't want to necessarily 858 * XXX force a reprobe. 859 */ 860} 861 862static struct resource * 863pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 864 u_long start, u_long end, u_long count, u_int flags) 865{ 866 struct pccard_ivar *ivar; 867 struct pccard_function *pf; 868 struct resource *r = 0; 869 870 if (device_get_parent(child) == dev) { 871 ivar = PCCARD_IVAR(child); 872 pf = ivar->fcn; 873 switch (type) { 874 case SYS_RES_IRQ: 875 if (*rid > 0) 876 return NULL; 877 r = pf->cfe->irqres; 878 break; 879 case SYS_RES_IOPORT: 880 if (*rid > 3) /* XXX */ 881 return NULL; 882 r = pf->cfe->iores[*rid]; 883 break; 884 default: 885 break; 886 } 887 } 888 if (r != NULL) { 889 if (flags & RF_ACTIVE) 890 bus_generic_activate_resource(dev, child, type, 891 *rid, r); 892 return (r); 893 } 894 return (bus_generic_alloc_resource(dev, child, type, rid, start, 895 end, count, flags)); 896} 897 898static int 899pccard_release_resource(device_t dev, device_t child, int type, int rid, 900 struct resource *r) 901{ 902 return bus_generic_release_resource(dev, child, type, rid, r); 903} 904 905static int 906pccard_activate_resource(device_t dev, device_t child, int type, int rid, 907 struct resource *r) 908{ 909 /* XXX need to write to the COR to activate this for mf cards */ 910 return (bus_generic_activate_resource(dev, child, type, rid, r)); 911} 912 913static int 914pccard_deactivate_resource(device_t dev, device_t child, int type, int rid, 915 struct resource *r) 916{ 917 /* XXX need to write to the COR to deactivate this for mf cards */ 918 return (bus_generic_deactivate_resource(dev, child, type, rid, r)); 919} 920 921static void 922pccard_child_detached(device_t parent, device_t dev) 923{ 924 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 925 926 if (parent == device_get_parent(dev)) 927 free(ivar, M_DEVBUF); 928} 929 930static device_method_t pccard_methods[] = { 931 /* Device interface */ 932 DEVMETHOD(device_probe, pccard_probe), 933 DEVMETHOD(device_attach, pccard_attach), 934 DEVMETHOD(device_detach, bus_generic_detach), 935 DEVMETHOD(device_shutdown, bus_generic_shutdown), 936 DEVMETHOD(device_suspend, bus_generic_suspend), 937 DEVMETHOD(device_resume, bus_generic_resume), 938 939 /* Bus interface */ 940 DEVMETHOD(bus_print_child, pccard_print_child), 941 DEVMETHOD(bus_driver_added, pccard_driver_added), 942 DEVMETHOD(bus_child_detached, pccard_child_detached), 943 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 944 DEVMETHOD(bus_release_resource, pccard_release_resource), 945 DEVMETHOD(bus_activate_resource, pccard_activate_resource), 946 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource), 947 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 948 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 949 DEVMETHOD(bus_set_resource, pccard_set_resource), 950 DEVMETHOD(bus_get_resource, pccard_get_resource), 951 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 952 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 953 954 /* Card Interface */ 955 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 956 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 957 DEVMETHOD(card_get_type, pccard_card_gettype), 958 DEVMETHOD(card_attach_card, pccard_attach_card), 959 DEVMETHOD(card_detach_card, pccard_detach_card), 960 961 { 0, 0 } 962}; 963 964static driver_t pccard_driver = { 965 "pccard", 966 pccard_methods, 967 sizeof(struct pccard_softc) 968}; 969 970devclass_t pccard_devclass; 971 972DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 973DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0); 974DRIVER_MODULE(pccard, pccbb, pccard_driver, pccard_devclass, 0, 0); 975DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0); 976MODULE_VERSION(pccard, 1); 977MODULE_DEPEND(pccard, pcic, 1, 1, 1); 978