pcmcia.c revision 1.68
1 /* $NetBSD: pcmcia.c,v 1.68 2004/08/12 17:26:51 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 2004 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 */ 20 21 /* 22 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This product includes software developed by Marc Horowitz. 35 * 4. The name of the author may not be used to endorse or promote products 36 * derived from this software without specific prior written permission. 37 * 38 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 39 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 40 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 41 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 42 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 44 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 45 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 47 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 48 */ 49 50 #include <sys/cdefs.h> 51 __KERNEL_RCSID(0, "$NetBSD: pcmcia.c,v 1.68 2004/08/12 17:26:51 mycroft Exp $"); 52 53 #include "opt_pcmciaverbose.h" 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/device.h> 58 59 #include <dev/pcmcia/pcmciareg.h> 60 #include <dev/pcmcia/pcmciachip.h> 61 #include <dev/pcmcia/pcmciavar.h> 62 #ifdef IT8368E_LEGACY_MODE /* XXX -uch */ 63 #include <arch/hpcmips/dev/it8368var.h> 64 #endif 65 66 #include "locators.h" 67 68 #ifdef PCMCIADEBUG 69 int pcmcia_debug = 0; 70 #define DPRINTF(arg) if (pcmcia_debug) printf arg 71 #else 72 #define DPRINTF(arg) 73 #endif 74 75 #ifdef PCMCIAVERBOSE 76 int pcmcia_verbose = 1; 77 #else 78 int pcmcia_verbose = 0; 79 #endif 80 81 int pcmcia_match __P((struct device *, struct cfdata *, void *)); 82 int pcmcia_submatch __P((struct device *, struct cfdata *, void *)); 83 void pcmcia_attach __P((struct device *, struct device *, void *)); 84 int pcmcia_print __P((void *, const char *)); 85 86 CFATTACH_DECL(pcmcia, sizeof(struct pcmcia_softc), 87 pcmcia_match, pcmcia_attach, NULL, NULL); 88 89 int 90 pcmcia_ccr_read(pf, ccr) 91 struct pcmcia_function *pf; 92 int ccr; 93 { 94 95 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 96 pf->pf_ccr_offset + ccr * 2)); 97 } 98 99 void 100 pcmcia_ccr_write(pf, ccr, val) 101 struct pcmcia_function *pf; 102 int ccr; 103 int val; 104 { 105 106 if (pf->ccr_mask & (1 << ccr)) { 107 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 108 pf->pf_ccr_offset + ccr * 2, val); 109 } 110 } 111 112 int 113 pcmcia_match(parent, match, aux) 114 struct device *parent; 115 struct cfdata *match; 116 void *aux; 117 { 118 struct pcmciabus_attach_args *paa = aux; 119 120 if (strcmp(paa->paa_busname, match->cf_name)) { 121 return 0; 122 } 123 /* if the autoconfiguration got this far, there's a socket here */ 124 return (1); 125 } 126 127 void 128 pcmcia_attach(parent, self, aux) 129 struct device *parent, *self; 130 void *aux; 131 { 132 struct pcmciabus_attach_args *paa = aux; 133 struct pcmcia_softc *sc = (struct pcmcia_softc *) self; 134 135 printf("\n"); 136 137 sc->pct = paa->pct; 138 sc->pch = paa->pch; 139 sc->iobase = paa->iobase; 140 sc->iosize = paa->iosize; 141 142 sc->ih = NULL; 143 } 144 145 int 146 pcmcia_card_attach(dev) 147 struct device *dev; 148 { 149 struct pcmcia_softc *sc = (struct pcmcia_softc *) dev; 150 struct pcmcia_function *pf; 151 struct pcmcia_attach_args paa; 152 int attached = 0; 153 154 /* 155 * this is here so that when socket_enable calls gettype, trt happens 156 */ 157 SIMPLEQ_FIRST(&sc->card.pf_head) = NULL; 158 159 pcmcia_socket_enable(dev); 160 161 pcmcia_read_cis(sc); 162 pcmcia_check_cis_quirks(sc); 163 164 /* 165 * bail now if the card has no functions, or if there was an error in 166 * the cis. 167 */ 168 169 if (sc->card.error || 170 SIMPLEQ_EMPTY(&sc->card.pf_head)) { 171 printf("%s: card appears to have bogus CIS\n", 172 sc->dev.dv_xname); 173 goto done; 174 } 175 176 if (pcmcia_verbose) 177 pcmcia_print_cis(sc); 178 179 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 180 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 181 continue; 182 183 #ifdef DIAGNOSTIC 184 if (pf->child != NULL) { 185 printf("%s: %s still attached to function %d!\n", 186 sc->dev.dv_xname, pf->child->dv_xname, 187 pf->number); 188 panic("pcmcia_card_attach"); 189 } 190 #endif 191 pf->sc = sc; 192 pf->child = NULL; 193 pf->cfe = NULL; 194 pf->pf_ih = NULL; 195 } 196 197 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 198 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 199 continue; 200 201 paa.manufacturer = sc->card.manufacturer; 202 paa.product = sc->card.product; 203 paa.card = &sc->card; 204 paa.pf = pf; 205 206 if ((pf->child = config_found_sm(&sc->dev, &paa, pcmcia_print, 207 pcmcia_submatch)) != NULL) 208 attached++; 209 } 210 211 done: 212 pcmcia_socket_disable(dev); 213 return (attached ? 0 : 1); 214 } 215 216 void 217 pcmcia_card_detach(dev, flags) 218 struct device *dev; 219 int flags; /* DETACH_* flags */ 220 { 221 struct pcmcia_softc *sc = (struct pcmcia_softc *) dev; 222 struct pcmcia_function *pf; 223 int error; 224 225 /* 226 * We are running on either the PCMCIA socket's event thread 227 * or in user context detaching a device by user request. 228 */ 229 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 230 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 231 continue; 232 if (pf->child == NULL) 233 continue; 234 DPRINTF(("%s: detaching %s (function %d)\n", 235 sc->dev.dv_xname, pf->child->dv_xname, pf->number)); 236 if ((error = config_detach(pf->child, flags)) != 0) { 237 printf("%s: error %d detaching %s (function %d)\n", 238 sc->dev.dv_xname, error, pf->child->dv_xname, 239 pf->number); 240 } else 241 pf->child = NULL; 242 } 243 244 if (sc->sc_enabled_count != 0) { 245 #ifdef DIAGNOSTIC 246 printf("pcmcia_card_detach: enabled_count should be 0 here??\n"); 247 #endif 248 pcmcia_chip_socket_disable(sc->pct, sc->pch); 249 sc->sc_enabled_count = 0; 250 } 251 } 252 253 void 254 pcmcia_card_deactivate(dev) 255 struct device *dev; 256 { 257 struct pcmcia_softc *sc = (struct pcmcia_softc *) dev; 258 struct pcmcia_function *pf; 259 260 /* 261 * We're in the chip's card removal interrupt handler. 262 * Deactivate the child driver. The PCMCIA socket's 263 * event thread will run later to finish the detach. 264 */ 265 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 266 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 267 continue; 268 if (pf->child == NULL) 269 continue; 270 DPRINTF(("%s: deactivating %s (function %d)\n", 271 sc->dev.dv_xname, pf->child->dv_xname, pf->number)); 272 config_deactivate(pf->child); 273 } 274 } 275 276 int 277 pcmcia_submatch(parent, cf, aux) 278 struct device *parent; 279 struct cfdata *cf; 280 void *aux; 281 { 282 struct pcmcia_attach_args *paa = aux; 283 284 if (cf->cf_loc[PCMCIACF_FUNCTION] != PCMCIACF_FUNCTION_DEFAULT && 285 cf->cf_loc[PCMCIACF_FUNCTION] != paa->pf->number) 286 return (0); 287 288 return (config_match(parent, cf, aux)); 289 } 290 291 int 292 pcmcia_print(arg, pnp) 293 void *arg; 294 const char *pnp; 295 { 296 struct pcmcia_attach_args *pa = arg; 297 struct pcmcia_softc *sc = pa->pf->sc; 298 struct pcmcia_card *card = &sc->card; 299 char devinfo[256]; 300 301 if (pnp) 302 aprint_normal("%s", pnp); 303 304 pcmcia_devinfo(card, !!pnp, devinfo, sizeof(devinfo)); 305 306 aprint_normal(" function %d: %s\n", pa->pf->number, devinfo); 307 308 return (UNCONF); 309 } 310 311 void 312 pcmcia_devinfo(card, showhex, cp, cplen) 313 struct pcmcia_card *card; 314 int showhex; 315 char *cp; 316 size_t cplen; 317 { 318 int i, n; 319 320 if (cplen > 1) { 321 *cp++ = '<'; 322 *cp = '\0'; 323 cplen--; 324 } 325 326 for (i = 0; i < 4 && card->cis1_info[i] != NULL && cplen > 1; i++) { 327 n = snprintf(cp, cplen, "%s%s", i ? ", " : "", 328 card->cis1_info[i]); 329 cp += n; 330 if (cplen < n) 331 return; 332 cplen -= n; 333 } 334 335 if (cplen > 1) { 336 *cp++ = '>'; 337 *cp = '\0'; 338 cplen--; 339 } 340 341 if (showhex && cplen > 1) 342 snprintf(cp, cplen, " (manufacturer 0x%04x, product 0x%04x)", 343 card->manufacturer, card->product); 344 } 345 346 const void * 347 pcmcia_product_lookup(pa, tab, nent, ent_size, matchfn) 348 struct pcmcia_attach_args *pa; 349 const void *tab; 350 size_t nent; 351 size_t ent_size; 352 pcmcia_product_match_fn matchfn; 353 { 354 const struct pcmcia_product *pp; 355 int n; 356 int matches; 357 358 #ifdef DIAGNOSTIC 359 if (sizeof *pp > ent_size) 360 panic("pcmcia_product_lookup: bogus ent_size %ld", 361 (long) ent_size); 362 #endif 363 364 for (pp = tab, n = nent; n; pp = (const struct pcmcia_product *) 365 ((const char *)pp + ent_size), n--) { 366 /* see if it matches vendor/product */ 367 matches = 0; 368 if ((pp->pp_vendor != PCMCIA_VENDOR_INVALID && 369 pp->pp_vendor == pa->manufacturer) && 370 (pp->pp_product != PCMCIA_PRODUCT_INVALID && 371 pp->pp_product == pa->product)) 372 matches = 1; 373 if ((pp->pp_cisinfo[0] && pa->card->cis1_info[0] && 374 !strcmp(pp->pp_cisinfo[0], pa->card->cis1_info[0])) && 375 (pp->pp_cisinfo[1] && pa->card->cis1_info[1] && 376 !strcmp(pp->pp_cisinfo[1], pa->card->cis1_info[1])) && 377 (!pp->pp_cisinfo[2] || (pa->card->cis1_info[2] && 378 !strcmp(pp->pp_cisinfo[2], pa->card->cis1_info[2]))) && 379 (!pp->pp_cisinfo[3] || (pa->card->cis1_info[3] && 380 !strcmp(pp->pp_cisinfo[3], pa->card->cis1_info[3])))) 381 matches = 1; 382 383 /* if a separate match function is given, let it override */ 384 if (matchfn) 385 matches = (*matchfn)(pa, pp, matches); 386 387 if (matches) 388 return (pp); 389 } 390 return (0); 391 } 392 393 void 394 pcmcia_socket_settype(dev) 395 struct device *dev; 396 { 397 struct pcmcia_softc *sc = (void *)dev; 398 struct pcmcia_function *pf; 399 int type; 400 401 /* 402 * set the iftype to memory if this card has no functions (not yet 403 * probed), or only one function, and that is not initialized yet or 404 * that is memory. 405 */ 406 pf = SIMPLEQ_FIRST(&sc->card.pf_head); 407 if (pf == NULL || 408 (SIMPLEQ_NEXT(pf, pf_list) == NULL && 409 (pf->cfe == NULL || pf->cfe->iftype == PCMCIA_IFTYPE_MEMORY))) 410 type = PCMCIA_IFTYPE_MEMORY; 411 else 412 type = PCMCIA_IFTYPE_IO; 413 pcmcia_chip_socket_settype(sc->pct, sc->pch, type); 414 } 415 416 /* 417 * Initialize a PCMCIA function. May be called as long as the function is 418 * disabled. 419 */ 420 void 421 pcmcia_function_init(pf, cfe) 422 struct pcmcia_function *pf; 423 struct pcmcia_config_entry *cfe; 424 { 425 if (pf->pf_flags & PFF_ENABLED) 426 panic("pcmcia_function_init: function is enabled"); 427 428 /* Remember which configuration entry we are using. */ 429 pf->cfe = cfe; 430 } 431 432 void 433 pcmcia_socket_enable(dev) 434 struct device *dev; 435 { 436 struct pcmcia_softc *sc = (void *)dev; 437 438 if (sc->sc_enabled_count++ == 0) 439 pcmcia_chip_socket_enable(sc->pct, sc->pch); 440 DPRINTF(("%s: ++enabled_count = %d\n", sc->dev.dv_xname, 441 sc->sc_enabled_count)); 442 } 443 444 void 445 pcmcia_socket_disable(dev) 446 struct device *dev; 447 { 448 struct pcmcia_softc *sc = (void *)dev; 449 450 if (--sc->sc_enabled_count == 0) 451 pcmcia_chip_socket_disable(sc->pct, sc->pch); 452 DPRINTF(("%s: --enabled_count = %d\n", sc->dev.dv_xname, 453 sc->sc_enabled_count)); 454 } 455 456 /* Enable a PCMCIA function */ 457 int 458 pcmcia_function_enable(pf) 459 struct pcmcia_function *pf; 460 { 461 struct pcmcia_softc *sc = pf->sc; 462 struct pcmcia_function *tmp; 463 int reg; 464 int error; 465 466 if (pf->cfe == NULL) 467 panic("pcmcia_function_enable: function not initialized"); 468 469 /* 470 * Increase the reference count on the socket, enabling power, if 471 * necessary. 472 */ 473 pcmcia_socket_enable(&sc->dev); 474 475 if (pf->pf_flags & PFF_ENABLED) { 476 /* 477 * Don't do anything if we're already enabled. 478 */ 479 return (0); 480 } 481 482 /* 483 * it's possible for different functions' CCRs to be in the same 484 * underlying page. Check for that. 485 */ 486 487 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 488 if ((tmp->pf_flags & PFF_ENABLED) && 489 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 490 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 491 (tmp->ccr_base - tmp->pf_ccr_offset + 492 tmp->pf_ccr_realsize))) { 493 pf->pf_ccrt = tmp->pf_ccrt; 494 pf->pf_ccrh = tmp->pf_ccrh; 495 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 496 497 /* 498 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 499 * tmp->ccr_base) + pf->ccr_base; 500 */ 501 pf->pf_ccr_offset = 502 (tmp->pf_ccr_offset + pf->ccr_base) - 503 tmp->ccr_base; 504 pf->pf_ccr_window = tmp->pf_ccr_window; 505 break; 506 } 507 } 508 509 if (tmp == NULL) { 510 error = pcmcia_mem_alloc(pf, PCMCIA_CCR_SIZE, &pf->pf_pcmh); 511 if (error) 512 goto bad; 513 514 error = pcmcia_mem_map(pf, PCMCIA_MEM_ATTR, pf->ccr_base, 515 PCMCIA_CCR_SIZE, &pf->pf_pcmh, &pf->pf_ccr_offset, 516 &pf->pf_ccr_window); 517 if (error) { 518 pcmcia_mem_free(pf, &pf->pf_pcmh); 519 goto bad; 520 } 521 } 522 523 if (pcmcia_mfc(sc) || 1) { 524 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE0, 525 (pf->pf_mfc_iobase >> 0) & 0xff); 526 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE1, 527 (pf->pf_mfc_iobase >> 8) & 0xff); 528 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE2, 529 (pf->pf_mfc_iobase >> 16) & 0xff); 530 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE3, 531 (pf->pf_mfc_iobase >> 24) & 0xff); 532 pcmcia_ccr_write(pf, PCMCIA_CCR_IOLIMIT, 533 pf->pf_mfc_iomax - pf->pf_mfc_iobase); 534 } 535 536 reg = 0; 537 if (pf->cfe->flags & PCMCIA_CFE_AUDIO) 538 reg |= PCMCIA_CCR_STATUS_AUDIO; 539 pcmcia_ccr_write(pf, PCMCIA_CCR_STATUS, reg); 540 541 pcmcia_ccr_write(pf, PCMCIA_CCR_SOCKETCOPY, 0); 542 543 reg = (pf->cfe->number & PCMCIA_CCR_OPTION_CFINDEX); 544 reg |= PCMCIA_CCR_OPTION_LEVIREQ; 545 if (pcmcia_mfc(sc)) { 546 reg |= (PCMCIA_CCR_OPTION_FUNC_ENABLE | 547 PCMCIA_CCR_OPTION_ADDR_DECODE); 548 if (pf->pf_ih) 549 reg |= PCMCIA_CCR_OPTION_IREQ_ENABLE; 550 551 } 552 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 553 554 #ifdef PCMCIADEBUG 555 if (pcmcia_debug) { 556 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 557 printf("%s: function %d CCR at %d offset %lx: " 558 "%x %x %x %x, %x %x %x %x, %x\n", 559 tmp->sc->dev.dv_xname, tmp->number, 560 tmp->pf_ccr_window, 561 (unsigned long) tmp->pf_ccr_offset, 562 pcmcia_ccr_read(tmp, 0), 563 pcmcia_ccr_read(tmp, 1), 564 pcmcia_ccr_read(tmp, 2), 565 pcmcia_ccr_read(tmp, 3), 566 567 pcmcia_ccr_read(tmp, 5), 568 pcmcia_ccr_read(tmp, 6), 569 pcmcia_ccr_read(tmp, 7), 570 pcmcia_ccr_read(tmp, 8), 571 572 pcmcia_ccr_read(tmp, 9)); 573 } 574 } 575 #endif 576 577 pcmcia_socket_settype(&sc->dev); 578 579 #ifdef IT8368E_LEGACY_MODE 580 /* return to I/O mode */ 581 it8368_mode(pf, IT8368_IO_MODE, IT8368_WIDTH_16); 582 #endif 583 584 pf->pf_flags |= PFF_ENABLED; 585 return (0); 586 587 bad: 588 /* 589 * Decrement the reference count, and power down the socket, if 590 * necessary. 591 */ 592 printf("%s: couldn't map the CCR\n", pf->child->dv_xname); 593 pcmcia_socket_disable(&sc->dev); 594 595 return (error); 596 } 597 598 /* Disable PCMCIA function. */ 599 void 600 pcmcia_function_disable(pf) 601 struct pcmcia_function *pf; 602 { 603 struct pcmcia_softc *sc = pf->sc; 604 struct pcmcia_function *tmp; 605 int reg; 606 607 if (pf->cfe == NULL) 608 panic("pcmcia_function_enable: function not initialized"); 609 610 if ((pf->pf_flags & PFF_ENABLED) == 0) { 611 /* 612 * Don't do anything but decrement if we're already disabled. 613 */ 614 goto out; 615 } 616 617 if (pcmcia_mfc(sc)) { 618 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 619 reg &= ~(PCMCIA_CCR_OPTION_FUNC_ENABLE| 620 PCMCIA_CCR_OPTION_ADDR_DECODE| 621 PCMCIA_CCR_OPTION_IREQ_ENABLE); 622 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 623 } 624 625 /* 626 * it's possible for different functions' CCRs to be in the same 627 * underlying page. Check for that. Note we mark us as disabled 628 * first to avoid matching ourself. 629 */ 630 631 pf->pf_flags &= ~PFF_ENABLED; 632 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 633 if ((tmp->pf_flags & PFF_ENABLED) && 634 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 635 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 636 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 637 break; 638 } 639 640 /* Not used by anyone else; unmap the CCR. */ 641 if (tmp == NULL) { 642 pcmcia_mem_unmap(pf, pf->pf_ccr_window); 643 pcmcia_mem_free(pf, &pf->pf_pcmh); 644 } 645 646 out: 647 /* 648 * Decrement the reference count, and power down the socket, if 649 * necessary. 650 */ 651 pcmcia_socket_disable(&sc->dev); 652 } 653 654 int 655 pcmcia_io_map(pf, width, pcihp, windowp) 656 struct pcmcia_function *pf; 657 int width; 658 struct pcmcia_io_handle *pcihp; 659 int *windowp; 660 { 661 struct pcmcia_softc *sc = pf->sc; 662 int error; 663 664 if (pf->pf_flags & PFF_ENABLED) 665 printf("pcmcia_io_map: function is enabled!\n"); 666 667 error = pcmcia_chip_io_map(sc->pct, sc->pch, 668 width, 0, pcihp->size, pcihp, windowp); 669 if (error) 670 return (error); 671 672 /* 673 * XXX in the multifunction multi-iospace-per-function case, this 674 * needs to cooperate with io_alloc to make sure that the spaces 675 * don't overlap, and that the ccr's are set correctly 676 */ 677 678 if (pcmcia_mfc(sc) || 1) { 679 bus_addr_t iobase = pcihp->addr; 680 bus_addr_t iomax = pcihp->addr + pcihp->size - 1; 681 682 DPRINTF(("window iobase %lx iomax %lx\n", (long)iobase, 683 (long)iomax)); 684 if (pf->pf_mfc_iobase == 0) { 685 pf->pf_mfc_iobase = iobase; 686 pf->pf_mfc_iomax = iomax; 687 } else { 688 if (iobase < pf->pf_mfc_iobase) 689 pf->pf_mfc_iobase = iobase; 690 if (iomax > pf->pf_mfc_iomax) 691 pf->pf_mfc_iomax = iomax; 692 } 693 DPRINTF(("function iobase %lx iomax %lx\n", 694 (long)pf->pf_mfc_iobase, (long)pf->pf_mfc_iomax)); 695 } 696 697 return (0); 698 } 699 700 void 701 pcmcia_io_unmap(pf, window) 702 struct pcmcia_function *pf; 703 int window; 704 { 705 struct pcmcia_softc *sc = pf->sc; 706 707 if (pf->pf_flags & PFF_ENABLED) 708 printf("pcmcia_io_unmap: function is enabled!\n"); 709 710 pcmcia_chip_io_unmap(sc->pct, sc->pch, window); 711 } 712 713 void * 714 pcmcia_intr_establish(pf, ipl, ih_fct, ih_arg) 715 struct pcmcia_function *pf; 716 int ipl; 717 int (*ih_fct) __P((void *)); 718 void *ih_arg; 719 { 720 721 if (pf->pf_flags & PFF_ENABLED) 722 printf("pcmcia_intr_establish: function is enabled!\n"); 723 if (pf->pf_ih) 724 panic("pcmcia_intr_establish: already done\n"); 725 726 pf->pf_ih = pcmcia_chip_intr_establish(pf->sc->pct, pf->sc->pch, 727 pf, ipl, ih_fct, ih_arg); 728 if (!pf->pf_ih) 729 printf("%s: interrupt establish failed\n", pf->child->dv_xname); 730 return (pf->pf_ih); 731 } 732 733 void 734 pcmcia_intr_disestablish(pf, ih) 735 struct pcmcia_function *pf; 736 void *ih; 737 { 738 739 if (pf->pf_flags & PFF_ENABLED) 740 printf("pcmcia_intr_disestablish: function is enabled!\n"); 741 if (!pf->pf_ih) 742 panic("pcmcia_intr_distestablish: already done\n"); 743 744 pcmcia_chip_intr_disestablish(pf->sc->pct, pf->sc->pch, ih); 745 pf->pf_ih = 0; 746 } 747 748 int 749 pcmcia_config_alloc(pf, cfe) 750 struct pcmcia_function *pf; 751 struct pcmcia_config_entry *cfe; 752 { 753 int error = 0; 754 int n, m; 755 756 for (n = 0; n < cfe->num_iospace; n++) { 757 bus_addr_t start = cfe->iospace[n].start; 758 bus_size_t length = cfe->iospace[n].length; 759 bus_size_t align = cfe->iomask ? (1 << cfe->iomask) : 760 length; 761 bus_size_t skew = start & (align - 1); 762 763 if ((start - skew) == 0 && align < 0x400) { 764 if (skew) 765 printf("Drats! I need a skew!\n"); 766 start = 0; 767 } 768 769 DPRINTF(("pcmcia_config_alloc: io %d start=%lx length=%lx align=%lx skew=%lx\n", 770 n, (long)start, (long)length, (long)align, (long)skew)); 771 772 error = pcmcia_io_alloc(pf, start, length, align, 773 &cfe->iospace[n].handle); 774 if (error) 775 break; 776 } 777 if (n < cfe->num_iospace) { 778 for (m = 0; m < n; m++) 779 pcmcia_io_free(pf, &cfe->iospace[m].handle); 780 return (error); 781 } 782 783 for (n = 0; n < cfe->num_memspace; n++) { 784 bus_size_t length = cfe->memspace[n].length; 785 786 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 787 (long)length)); 788 789 error = pcmcia_mem_alloc(pf, length, &cfe->memspace[n].handle); 790 if (error) 791 break; 792 } 793 if (n < cfe->num_memspace) { 794 for (m = 0; m < cfe->num_iospace; m++) 795 pcmcia_io_free(pf, &cfe->iospace[m].handle); 796 for (m = 0; m < n; m++) 797 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 798 return (error); 799 } 800 801 /* This one's good! */ 802 return (error); 803 } 804 805 void 806 pcmcia_config_free(pf) 807 struct pcmcia_function *pf; 808 { 809 struct pcmcia_config_entry *cfe = pf->cfe; 810 int m; 811 812 for (m = 0; m < cfe->num_iospace; m++) 813 pcmcia_io_free(pf, &cfe->iospace[m].handle); 814 for (m = 0; m < cfe->num_memspace; m++) 815 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 816 } 817 818 int 819 pcmcia_config_map(pf) 820 struct pcmcia_function *pf; 821 { 822 struct pcmcia_config_entry *cfe = pf->cfe; 823 int error = 0; 824 int n, m; 825 826 for (n = 0; n < cfe->num_iospace; n++) { 827 int width; 828 829 if (cfe->flags & PCMCIA_CFE_IO16) 830 width = PCMCIA_WIDTH_AUTO; 831 else 832 width = PCMCIA_WIDTH_IO8; 833 error = pcmcia_io_map(pf, width, &cfe->iospace[n].handle, 834 &cfe->iospace[n].window); 835 if (error) 836 break; 837 } 838 if (n < cfe->num_iospace) { 839 for (m = 0; m < n; m++) 840 pcmcia_io_unmap(pf, cfe->iospace[m].window); 841 return (error); 842 } 843 844 for (n = 0; n < cfe->num_memspace; n++) { 845 bus_size_t length = cfe->memspace[n].length; 846 int width; 847 848 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 849 (long)length)); 850 851 /*XXX*/ 852 width = PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON; 853 error = pcmcia_mem_map(pf, width, 0, length, 854 &cfe->memspace[n].handle, &cfe->memspace[n].offset, 855 &cfe->memspace[n].window); 856 if (error) 857 break; 858 } 859 if (n < cfe->num_memspace) { 860 for (m = 0; m < cfe->num_iospace; m++) 861 pcmcia_io_unmap(pf, cfe->iospace[m].window); 862 for (m = 0; m < n; m++) 863 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 864 return (error); 865 } 866 867 /* This one's good! */ 868 return (error); 869 } 870 871 void 872 pcmcia_config_unmap(pf) 873 struct pcmcia_function *pf; 874 { 875 struct pcmcia_config_entry *cfe = pf->cfe; 876 int m; 877 878 for (m = 0; m < cfe->num_iospace; m++) 879 pcmcia_io_unmap(pf, cfe->iospace[m].window); 880 for (m = 0; m < cfe->num_memspace; m++) 881 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 882 } 883 884 int 885 pcmcia_function_configure(pf, validator) 886 struct pcmcia_function *pf; 887 int (*validator) __P((struct pcmcia_config_entry *)); 888 { 889 struct pcmcia_config_entry *cfe; 890 int error = ENOENT; 891 892 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 893 error = validator(cfe); 894 if (error) 895 continue; 896 error = pcmcia_config_alloc(pf, cfe); 897 if (!error) 898 break; 899 } 900 if (!cfe) { 901 DPRINTF(("pcmcia_function_configure: no config entry found, error=%d\n", 902 error)); 903 return (error); 904 } 905 906 /* Remember which configuration entry we are using. */ 907 pf->cfe = cfe; 908 909 error = pcmcia_config_map(pf); 910 if (error) { 911 DPRINTF(("pcmcia_function_configure: map failed, error=%d\n", 912 error)); 913 return (error); 914 } 915 916 return (0); 917 } 918 919 void 920 pcmcia_function_unconfigure(pf) 921 struct pcmcia_function *pf; 922 { 923 924 pcmcia_config_unmap(pf); 925 pcmcia_config_free(pf); 926 } 927
Indexes created Sat Sep 27 22:09:54 GMT 2025