pcmcia.c revision 1.70
1 /* $NetBSD: pcmcia.c,v 1.70 2004/08/12 19:59:07 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 1.70 2004/08/12 19:59:07 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 pf->pf_flags |= PFF_DETACHED; 231 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 232 continue; 233 if (pf->child == NULL) 234 continue; 235 DPRINTF(("%s: detaching %s (function %d)\n", 236 sc->dev.dv_xname, pf->child->dv_xname, pf->number)); 237 if ((error = config_detach(pf->child, flags)) != 0) { 238 printf("%s: error %d detaching %s (function %d)\n", 239 sc->dev.dv_xname, error, pf->child->dv_xname, 240 pf->number); 241 } else 242 pf->child = NULL; 243 } 244 245 if (sc->sc_enabled_count != 0) { 246 #ifdef DIAGNOSTIC 247 printf("pcmcia_card_detach: enabled_count should be 0 here??\n"); 248 #endif 249 pcmcia_chip_socket_disable(sc->pct, sc->pch); 250 sc->sc_enabled_count = 0; 251 } 252 } 253 254 void 255 pcmcia_card_deactivate(dev) 256 struct device *dev; 257 { 258 struct pcmcia_softc *sc = (struct pcmcia_softc *) dev; 259 struct pcmcia_function *pf; 260 261 /* 262 * We're in the chip's card removal interrupt handler. 263 * Deactivate the child driver. The PCMCIA socket's 264 * event thread will run later to finish the detach. 265 */ 266 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 267 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 268 continue; 269 if (pf->child == NULL) 270 continue; 271 DPRINTF(("%s: deactivating %s (function %d)\n", 272 sc->dev.dv_xname, pf->child->dv_xname, pf->number)); 273 config_deactivate(pf->child); 274 } 275 } 276 277 int 278 pcmcia_submatch(parent, cf, aux) 279 struct device *parent; 280 struct cfdata *cf; 281 void *aux; 282 { 283 struct pcmcia_attach_args *paa = aux; 284 285 if (cf->cf_loc[PCMCIACF_FUNCTION] != PCMCIACF_FUNCTION_DEFAULT && 286 cf->cf_loc[PCMCIACF_FUNCTION] != paa->pf->number) 287 return (0); 288 289 return (config_match(parent, cf, aux)); 290 } 291 292 int 293 pcmcia_print(arg, pnp) 294 void *arg; 295 const char *pnp; 296 { 297 struct pcmcia_attach_args *pa = arg; 298 struct pcmcia_softc *sc = pa->pf->sc; 299 struct pcmcia_card *card = &sc->card; 300 char devinfo[256]; 301 302 if (pnp) 303 aprint_normal("%s", pnp); 304 305 pcmcia_devinfo(card, !!pnp, devinfo, sizeof(devinfo)); 306 307 aprint_normal(" function %d: %s\n", pa->pf->number, devinfo); 308 309 return (UNCONF); 310 } 311 312 void 313 pcmcia_devinfo(card, showhex, cp, cplen) 314 struct pcmcia_card *card; 315 int showhex; 316 char *cp; 317 size_t cplen; 318 { 319 int i, n; 320 321 if (cplen > 1) { 322 *cp++ = '<'; 323 *cp = '\0'; 324 cplen--; 325 } 326 327 for (i = 0; i < 4 && card->cis1_info[i] != NULL && cplen > 1; i++) { 328 n = snprintf(cp, cplen, "%s%s", i ? ", " : "", 329 card->cis1_info[i]); 330 cp += n; 331 if (cplen < n) 332 return; 333 cplen -= n; 334 } 335 336 if (cplen > 1) { 337 *cp++ = '>'; 338 *cp = '\0'; 339 cplen--; 340 } 341 342 if (showhex && cplen > 1) 343 snprintf(cp, cplen, " (manufacturer 0x%04x, product 0x%04x)", 344 card->manufacturer, card->product); 345 } 346 347 const void * 348 pcmcia_product_lookup(pa, tab, nent, ent_size, matchfn) 349 struct pcmcia_attach_args *pa; 350 const void *tab; 351 size_t nent; 352 size_t ent_size; 353 pcmcia_product_match_fn matchfn; 354 { 355 const struct pcmcia_product *pp; 356 int n; 357 int matches; 358 359 #ifdef DIAGNOSTIC 360 if (sizeof *pp > ent_size) 361 panic("pcmcia_product_lookup: bogus ent_size %ld", 362 (long) ent_size); 363 #endif 364 365 for (pp = tab, n = nent; n; pp = (const struct pcmcia_product *) 366 ((const char *)pp + ent_size), n--) { 367 /* see if it matches vendor/product */ 368 matches = 0; 369 if ((pp->pp_vendor != PCMCIA_VENDOR_INVALID && 370 pp->pp_vendor == pa->manufacturer) && 371 (pp->pp_product != PCMCIA_PRODUCT_INVALID && 372 pp->pp_product == pa->product)) 373 matches = 1; 374 if ((pp->pp_cisinfo[0] && pa->card->cis1_info[0] && 375 !strcmp(pp->pp_cisinfo[0], pa->card->cis1_info[0])) && 376 (pp->pp_cisinfo[1] && pa->card->cis1_info[1] && 377 !strcmp(pp->pp_cisinfo[1], pa->card->cis1_info[1])) && 378 (!pp->pp_cisinfo[2] || (pa->card->cis1_info[2] && 379 !strcmp(pp->pp_cisinfo[2], pa->card->cis1_info[2]))) && 380 (!pp->pp_cisinfo[3] || (pa->card->cis1_info[3] && 381 !strcmp(pp->pp_cisinfo[3], pa->card->cis1_info[3])))) 382 matches = 1; 383 384 /* if a separate match function is given, let it override */ 385 if (matchfn) 386 matches = (*matchfn)(pa, pp, matches); 387 388 if (matches) 389 return (pp); 390 } 391 return (0); 392 } 393 394 void 395 pcmcia_socket_settype(dev, type) 396 struct device *dev; 397 int type; 398 { 399 struct pcmcia_softc *sc = (void *)dev; 400 401 pcmcia_chip_socket_settype(sc->pct, sc->pch, type); 402 } 403 404 /* 405 * Initialize a PCMCIA function. May be called as long as the function is 406 * disabled. 407 */ 408 void 409 pcmcia_function_init(pf, cfe) 410 struct pcmcia_function *pf; 411 struct pcmcia_config_entry *cfe; 412 { 413 if (pf->pf_flags & PFF_ENABLED) 414 panic("pcmcia_function_init: function is enabled"); 415 416 /* Remember which configuration entry we are using. */ 417 pf->cfe = cfe; 418 } 419 420 void 421 pcmcia_socket_enable(dev) 422 struct device *dev; 423 { 424 struct pcmcia_softc *sc = (void *)dev; 425 426 if (sc->sc_enabled_count++ == 0) 427 pcmcia_chip_socket_enable(sc->pct, sc->pch); 428 DPRINTF(("%s: ++enabled_count = %d\n", sc->dev.dv_xname, 429 sc->sc_enabled_count)); 430 } 431 432 void 433 pcmcia_socket_disable(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_disable(sc->pct, sc->pch); 440 DPRINTF(("%s: --enabled_count = %d\n", sc->dev.dv_xname, 441 sc->sc_enabled_count)); 442 } 443 444 /* Enable a PCMCIA function */ 445 int 446 pcmcia_function_enable(pf) 447 struct pcmcia_function *pf; 448 { 449 struct pcmcia_softc *sc = pf->sc; 450 struct pcmcia_function *tmp; 451 int reg; 452 int error; 453 454 if (pf->cfe == NULL) 455 panic("pcmcia_function_enable: function not initialized"); 456 457 /* 458 * Increase the reference count on the socket, enabling power, if 459 * necessary. 460 */ 461 pcmcia_socket_enable(&sc->dev); 462 463 if (pf->pf_flags & PFF_ENABLED) { 464 /* 465 * Don't do anything if we're already enabled. 466 */ 467 return (0); 468 } 469 470 /* 471 * it's possible for different functions' CCRs to be in the same 472 * underlying page. Check for that. 473 */ 474 475 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 476 if ((tmp->pf_flags & PFF_ENABLED) && 477 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 478 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 479 (tmp->ccr_base - tmp->pf_ccr_offset + 480 tmp->pf_ccr_realsize))) { 481 pf->pf_ccrt = tmp->pf_ccrt; 482 pf->pf_ccrh = tmp->pf_ccrh; 483 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 484 485 /* 486 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 487 * tmp->ccr_base) + pf->ccr_base; 488 */ 489 pf->pf_ccr_offset = 490 (tmp->pf_ccr_offset + pf->ccr_base) - 491 tmp->ccr_base; 492 pf->pf_ccr_window = tmp->pf_ccr_window; 493 break; 494 } 495 } 496 497 if (tmp == NULL) { 498 error = pcmcia_mem_alloc(pf, PCMCIA_CCR_SIZE, &pf->pf_pcmh); 499 if (error) 500 goto bad; 501 502 error = pcmcia_mem_map(pf, PCMCIA_MEM_ATTR, pf->ccr_base, 503 PCMCIA_CCR_SIZE, &pf->pf_pcmh, &pf->pf_ccr_offset, 504 &pf->pf_ccr_window); 505 if (error) { 506 pcmcia_mem_free(pf, &pf->pf_pcmh); 507 goto bad; 508 } 509 } 510 511 if (pcmcia_mfc(sc) || 1) { 512 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE0, 513 (pf->pf_mfc_iobase >> 0) & 0xff); 514 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE1, 515 (pf->pf_mfc_iobase >> 8) & 0xff); 516 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE2, 517 (pf->pf_mfc_iobase >> 16) & 0xff); 518 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE3, 519 (pf->pf_mfc_iobase >> 24) & 0xff); 520 pcmcia_ccr_write(pf, PCMCIA_CCR_IOLIMIT, 521 pf->pf_mfc_iomax - pf->pf_mfc_iobase); 522 } 523 524 reg = 0; 525 if (pf->cfe->flags & PCMCIA_CFE_AUDIO) 526 reg |= PCMCIA_CCR_STATUS_AUDIO; 527 pcmcia_ccr_write(pf, PCMCIA_CCR_STATUS, reg); 528 529 pcmcia_ccr_write(pf, PCMCIA_CCR_SOCKETCOPY, 0); 530 531 reg = (pf->cfe->number & PCMCIA_CCR_OPTION_CFINDEX); 532 reg |= PCMCIA_CCR_OPTION_LEVIREQ; 533 if (pcmcia_mfc(sc)) { 534 reg |= (PCMCIA_CCR_OPTION_FUNC_ENABLE | 535 PCMCIA_CCR_OPTION_ADDR_DECODE); 536 if (pf->pf_ih) 537 reg |= PCMCIA_CCR_OPTION_IREQ_ENABLE; 538 539 } 540 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 541 542 #ifdef PCMCIADEBUG 543 if (pcmcia_debug) { 544 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 545 printf("%s: function %d CCR at %d offset %lx: " 546 "%x %x %x %x, %x %x %x %x, %x\n", 547 tmp->sc->dev.dv_xname, tmp->number, 548 tmp->pf_ccr_window, 549 (unsigned long) tmp->pf_ccr_offset, 550 pcmcia_ccr_read(tmp, 0), 551 pcmcia_ccr_read(tmp, 1), 552 pcmcia_ccr_read(tmp, 2), 553 pcmcia_ccr_read(tmp, 3), 554 555 pcmcia_ccr_read(tmp, 5), 556 pcmcia_ccr_read(tmp, 6), 557 pcmcia_ccr_read(tmp, 7), 558 pcmcia_ccr_read(tmp, 8), 559 560 pcmcia_ccr_read(tmp, 9)); 561 } 562 } 563 #endif 564 565 pcmcia_socket_settype(&sc->dev, pf->cfe->iftype); 566 567 #ifdef IT8368E_LEGACY_MODE 568 /* return to I/O mode */ 569 it8368_mode(pf, IT8368_IO_MODE, IT8368_WIDTH_16); 570 #endif 571 572 pf->pf_flags |= PFF_ENABLED; 573 return (0); 574 575 bad: 576 /* 577 * Decrement the reference count, and power down the socket, if 578 * necessary. 579 */ 580 printf("%s: couldn't map the CCR\n", pf->child->dv_xname); 581 pcmcia_socket_disable(&sc->dev); 582 583 return (error); 584 } 585 586 /* Disable PCMCIA function. */ 587 void 588 pcmcia_function_disable(pf) 589 struct pcmcia_function *pf; 590 { 591 struct pcmcia_softc *sc = pf->sc; 592 struct pcmcia_function *tmp; 593 int reg; 594 595 if (pf->cfe == NULL) 596 panic("pcmcia_function_enable: function not initialized"); 597 598 if ((pf->pf_flags & PFF_ENABLED) == 0) { 599 /* 600 * Don't do anything but decrement if we're already disabled. 601 */ 602 goto out; 603 } 604 605 if (pcmcia_mfc(sc) && 606 (pf->pf_flags & PFF_DETACHED) == 0) { 607 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 608 reg &= ~(PCMCIA_CCR_OPTION_FUNC_ENABLE| 609 PCMCIA_CCR_OPTION_ADDR_DECODE| 610 PCMCIA_CCR_OPTION_IREQ_ENABLE); 611 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 612 } 613 614 /* 615 * it's possible for different functions' CCRs to be in the same 616 * underlying page. Check for that. Note we mark us as disabled 617 * first to avoid matching ourself. 618 */ 619 620 pf->pf_flags &= ~PFF_ENABLED; 621 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 622 if ((tmp->pf_flags & PFF_ENABLED) && 623 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 624 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 625 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 626 break; 627 } 628 629 /* Not used by anyone else; unmap the CCR. */ 630 if (tmp == NULL) { 631 pcmcia_mem_unmap(pf, pf->pf_ccr_window); 632 pcmcia_mem_free(pf, &pf->pf_pcmh); 633 } 634 635 out: 636 /* 637 * Decrement the reference count, and power down the socket, if 638 * necessary. 639 */ 640 pcmcia_socket_disable(&sc->dev); 641 } 642 643 int 644 pcmcia_io_map(pf, width, pcihp, windowp) 645 struct pcmcia_function *pf; 646 int width; 647 struct pcmcia_io_handle *pcihp; 648 int *windowp; 649 { 650 struct pcmcia_softc *sc = pf->sc; 651 int error; 652 653 if (pf->pf_flags & PFF_ENABLED) 654 printf("pcmcia_io_map: function is enabled!\n"); 655 656 error = pcmcia_chip_io_map(sc->pct, sc->pch, 657 width, 0, pcihp->size, pcihp, windowp); 658 if (error) 659 return (error); 660 661 /* 662 * XXX in the multifunction multi-iospace-per-function case, this 663 * needs to cooperate with io_alloc to make sure that the spaces 664 * don't overlap, and that the ccr's are set correctly 665 */ 666 667 if (pcmcia_mfc(sc) || 1) { 668 bus_addr_t iobase = pcihp->addr; 669 bus_addr_t iomax = pcihp->addr + pcihp->size - 1; 670 671 DPRINTF(("window iobase %lx iomax %lx\n", (long)iobase, 672 (long)iomax)); 673 if (pf->pf_mfc_iobase == 0) { 674 pf->pf_mfc_iobase = iobase; 675 pf->pf_mfc_iomax = iomax; 676 } else { 677 if (iobase < pf->pf_mfc_iobase) 678 pf->pf_mfc_iobase = iobase; 679 if (iomax > pf->pf_mfc_iomax) 680 pf->pf_mfc_iomax = iomax; 681 } 682 DPRINTF(("function iobase %lx iomax %lx\n", 683 (long)pf->pf_mfc_iobase, (long)pf->pf_mfc_iomax)); 684 } 685 686 return (0); 687 } 688 689 void 690 pcmcia_io_unmap(pf, window) 691 struct pcmcia_function *pf; 692 int window; 693 { 694 struct pcmcia_softc *sc = pf->sc; 695 696 if (pf->pf_flags & PFF_ENABLED) 697 printf("pcmcia_io_unmap: function is enabled!\n"); 698 699 pcmcia_chip_io_unmap(sc->pct, sc->pch, window); 700 } 701 702 void * 703 pcmcia_intr_establish(pf, ipl, ih_fct, ih_arg) 704 struct pcmcia_function *pf; 705 int ipl; 706 int (*ih_fct) __P((void *)); 707 void *ih_arg; 708 { 709 710 if (pf->pf_flags & PFF_ENABLED) 711 printf("pcmcia_intr_establish: function is enabled!\n"); 712 if (pf->pf_ih) 713 panic("pcmcia_intr_establish: already done\n"); 714 715 pf->pf_ih = pcmcia_chip_intr_establish(pf->sc->pct, pf->sc->pch, 716 pf, ipl, ih_fct, ih_arg); 717 if (!pf->pf_ih) 718 printf("%s: interrupt establish failed\n", pf->child->dv_xname); 719 return (pf->pf_ih); 720 } 721 722 void 723 pcmcia_intr_disestablish(pf, ih) 724 struct pcmcia_function *pf; 725 void *ih; 726 { 727 728 if (pf->pf_flags & PFF_ENABLED) 729 printf("pcmcia_intr_disestablish: function is enabled!\n"); 730 if (!pf->pf_ih) 731 panic("pcmcia_intr_distestablish: already done\n"); 732 733 pcmcia_chip_intr_disestablish(pf->sc->pct, pf->sc->pch, ih); 734 pf->pf_ih = 0; 735 } 736 737 int 738 pcmcia_config_alloc(pf, cfe) 739 struct pcmcia_function *pf; 740 struct pcmcia_config_entry *cfe; 741 { 742 int error = 0; 743 int n, m; 744 745 for (n = 0; n < cfe->num_iospace; n++) { 746 bus_addr_t start = cfe->iospace[n].start; 747 bus_size_t length = cfe->iospace[n].length; 748 bus_size_t align = cfe->iomask ? (1 << cfe->iomask) : 749 length; 750 bus_size_t skew = start & (align - 1); 751 752 if ((start - skew) == 0 && align < 0x400) { 753 if (skew) 754 printf("Drats! I need a skew!\n"); 755 start = 0; 756 } 757 758 DPRINTF(("pcmcia_config_alloc: io %d start=%lx length=%lx align=%lx skew=%lx\n", 759 n, (long)start, (long)length, (long)align, (long)skew)); 760 761 error = pcmcia_io_alloc(pf, start, length, align, 762 &cfe->iospace[n].handle); 763 if (error) 764 break; 765 } 766 if (n < cfe->num_iospace) { 767 for (m = 0; m < n; m++) 768 pcmcia_io_free(pf, &cfe->iospace[m].handle); 769 return (error); 770 } 771 772 for (n = 0; n < cfe->num_memspace; n++) { 773 bus_size_t length = cfe->memspace[n].length; 774 775 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 776 (long)length)); 777 778 error = pcmcia_mem_alloc(pf, length, &cfe->memspace[n].handle); 779 if (error) 780 break; 781 } 782 if (n < cfe->num_memspace) { 783 for (m = 0; m < cfe->num_iospace; m++) 784 pcmcia_io_free(pf, &cfe->iospace[m].handle); 785 for (m = 0; m < n; m++) 786 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 787 return (error); 788 } 789 790 /* This one's good! */ 791 return (error); 792 } 793 794 void 795 pcmcia_config_free(pf) 796 struct pcmcia_function *pf; 797 { 798 struct pcmcia_config_entry *cfe = pf->cfe; 799 int m; 800 801 for (m = 0; m < cfe->num_iospace; m++) 802 pcmcia_io_free(pf, &cfe->iospace[m].handle); 803 for (m = 0; m < cfe->num_memspace; m++) 804 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 805 } 806 807 int 808 pcmcia_config_map(pf) 809 struct pcmcia_function *pf; 810 { 811 struct pcmcia_config_entry *cfe = pf->cfe; 812 int error = 0; 813 int n, m; 814 815 for (n = 0; n < cfe->num_iospace; n++) { 816 int width; 817 818 if (cfe->flags & PCMCIA_CFE_IO16) 819 width = PCMCIA_WIDTH_AUTO; 820 else 821 width = PCMCIA_WIDTH_IO8; 822 error = pcmcia_io_map(pf, width, &cfe->iospace[n].handle, 823 &cfe->iospace[n].window); 824 if (error) 825 break; 826 } 827 if (n < cfe->num_iospace) { 828 for (m = 0; m < n; m++) 829 pcmcia_io_unmap(pf, cfe->iospace[m].window); 830 return (error); 831 } 832 833 for (n = 0; n < cfe->num_memspace; n++) { 834 bus_size_t length = cfe->memspace[n].length; 835 int width; 836 837 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 838 (long)length)); 839 840 /*XXX*/ 841 width = PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON; 842 error = pcmcia_mem_map(pf, width, 0, length, 843 &cfe->memspace[n].handle, &cfe->memspace[n].offset, 844 &cfe->memspace[n].window); 845 if (error) 846 break; 847 } 848 if (n < cfe->num_memspace) { 849 for (m = 0; m < cfe->num_iospace; m++) 850 pcmcia_io_unmap(pf, cfe->iospace[m].window); 851 for (m = 0; m < n; m++) 852 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 853 return (error); 854 } 855 856 /* This one's good! */ 857 return (error); 858 } 859 860 void 861 pcmcia_config_unmap(pf) 862 struct pcmcia_function *pf; 863 { 864 struct pcmcia_config_entry *cfe = pf->cfe; 865 int m; 866 867 for (m = 0; m < cfe->num_iospace; m++) 868 pcmcia_io_unmap(pf, cfe->iospace[m].window); 869 for (m = 0; m < cfe->num_memspace; m++) 870 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 871 } 872 873 int 874 pcmcia_function_configure(pf, validator) 875 struct pcmcia_function *pf; 876 int (*validator) __P((struct pcmcia_config_entry *)); 877 { 878 struct pcmcia_config_entry *cfe; 879 int error = ENOENT; 880 881 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 882 error = validator(cfe); 883 if (error) 884 continue; 885 error = pcmcia_config_alloc(pf, cfe); 886 if (!error) 887 break; 888 } 889 if (!cfe) { 890 DPRINTF(("pcmcia_function_configure: no config entry found, error=%d\n", 891 error)); 892 return (error); 893 } 894 895 /* Remember which configuration entry we are using. */ 896 pf->cfe = cfe; 897 898 error = pcmcia_config_map(pf); 899 if (error) { 900 DPRINTF(("pcmcia_function_configure: map failed, error=%d\n", 901 error)); 902 return (error); 903 } 904 905 return (0); 906 } 907 908 void 909 pcmcia_function_unconfigure(pf) 910 struct pcmcia_function *pf; 911 { 912 913 pcmcia_config_unmap(pf); 914 pcmcia_config_free(pf); 915 } 916
Indexes created Sun Sep 28 07:09:56 GMT 2025