pcmcia.c revision 1.69
1 /* $NetBSD: pcmcia.c,v 1.69 2004/08/12 17:31:06 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 1.69 2004/08/12 17:31:06 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) 396 struct device *dev; 397 { 398 struct pcmcia_softc *sc = (void *)dev; 399 struct pcmcia_function *pf; 400 int type; 401 402 /* 403 * set the iftype to memory if this card has no functions (not yet 404 * probed), or only one function, and that is not initialized yet or 405 * that is memory. 406 */ 407 pf = SIMPLEQ_FIRST(&sc->card.pf_head); 408 if (pf == NULL || 409 (SIMPLEQ_NEXT(pf, pf_list) == NULL && 410 (pf->cfe == NULL || pf->cfe->iftype == PCMCIA_IFTYPE_MEMORY))) 411 type = PCMCIA_IFTYPE_MEMORY; 412 else 413 type = PCMCIA_IFTYPE_IO; 414 pcmcia_chip_socket_settype(sc->pct, sc->pch, type); 415 } 416 417 /* 418 * Initialize a PCMCIA function. May be called as long as the function is 419 * disabled. 420 */ 421 void 422 pcmcia_function_init(pf, cfe) 423 struct pcmcia_function *pf; 424 struct pcmcia_config_entry *cfe; 425 { 426 if (pf->pf_flags & PFF_ENABLED) 427 panic("pcmcia_function_init: function is enabled"); 428 429 /* Remember which configuration entry we are using. */ 430 pf->cfe = cfe; 431 } 432 433 void 434 pcmcia_socket_enable(dev) 435 struct device *dev; 436 { 437 struct pcmcia_softc *sc = (void *)dev; 438 439 if (sc->sc_enabled_count++ == 0) 440 pcmcia_chip_socket_enable(sc->pct, sc->pch); 441 DPRINTF(("%s: ++enabled_count = %d\n", sc->dev.dv_xname, 442 sc->sc_enabled_count)); 443 } 444 445 void 446 pcmcia_socket_disable(dev) 447 struct device *dev; 448 { 449 struct pcmcia_softc *sc = (void *)dev; 450 451 if (--sc->sc_enabled_count == 0) 452 pcmcia_chip_socket_disable(sc->pct, sc->pch); 453 DPRINTF(("%s: --enabled_count = %d\n", sc->dev.dv_xname, 454 sc->sc_enabled_count)); 455 } 456 457 /* Enable a PCMCIA function */ 458 int 459 pcmcia_function_enable(pf) 460 struct pcmcia_function *pf; 461 { 462 struct pcmcia_softc *sc = pf->sc; 463 struct pcmcia_function *tmp; 464 int reg; 465 int error; 466 467 if (pf->cfe == NULL) 468 panic("pcmcia_function_enable: function not initialized"); 469 470 /* 471 * Increase the reference count on the socket, enabling power, if 472 * necessary. 473 */ 474 pcmcia_socket_enable(&sc->dev); 475 476 if (pf->pf_flags & PFF_ENABLED) { 477 /* 478 * Don't do anything if we're already enabled. 479 */ 480 return (0); 481 } 482 483 /* 484 * it's possible for different functions' CCRs to be in the same 485 * underlying page. Check for that. 486 */ 487 488 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 489 if ((tmp->pf_flags & PFF_ENABLED) && 490 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 491 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 492 (tmp->ccr_base - tmp->pf_ccr_offset + 493 tmp->pf_ccr_realsize))) { 494 pf->pf_ccrt = tmp->pf_ccrt; 495 pf->pf_ccrh = tmp->pf_ccrh; 496 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 497 498 /* 499 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 500 * tmp->ccr_base) + pf->ccr_base; 501 */ 502 pf->pf_ccr_offset = 503 (tmp->pf_ccr_offset + pf->ccr_base) - 504 tmp->ccr_base; 505 pf->pf_ccr_window = tmp->pf_ccr_window; 506 break; 507 } 508 } 509 510 if (tmp == NULL) { 511 error = pcmcia_mem_alloc(pf, PCMCIA_CCR_SIZE, &pf->pf_pcmh); 512 if (error) 513 goto bad; 514 515 error = pcmcia_mem_map(pf, PCMCIA_MEM_ATTR, pf->ccr_base, 516 PCMCIA_CCR_SIZE, &pf->pf_pcmh, &pf->pf_ccr_offset, 517 &pf->pf_ccr_window); 518 if (error) { 519 pcmcia_mem_free(pf, &pf->pf_pcmh); 520 goto bad; 521 } 522 } 523 524 if (pcmcia_mfc(sc) || 1) { 525 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE0, 526 (pf->pf_mfc_iobase >> 0) & 0xff); 527 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE1, 528 (pf->pf_mfc_iobase >> 8) & 0xff); 529 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE2, 530 (pf->pf_mfc_iobase >> 16) & 0xff); 531 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE3, 532 (pf->pf_mfc_iobase >> 24) & 0xff); 533 pcmcia_ccr_write(pf, PCMCIA_CCR_IOLIMIT, 534 pf->pf_mfc_iomax - pf->pf_mfc_iobase); 535 } 536 537 reg = 0; 538 if (pf->cfe->flags & PCMCIA_CFE_AUDIO) 539 reg |= PCMCIA_CCR_STATUS_AUDIO; 540 pcmcia_ccr_write(pf, PCMCIA_CCR_STATUS, reg); 541 542 pcmcia_ccr_write(pf, PCMCIA_CCR_SOCKETCOPY, 0); 543 544 reg = (pf->cfe->number & PCMCIA_CCR_OPTION_CFINDEX); 545 reg |= PCMCIA_CCR_OPTION_LEVIREQ; 546 if (pcmcia_mfc(sc)) { 547 reg |= (PCMCIA_CCR_OPTION_FUNC_ENABLE | 548 PCMCIA_CCR_OPTION_ADDR_DECODE); 549 if (pf->pf_ih) 550 reg |= PCMCIA_CCR_OPTION_IREQ_ENABLE; 551 552 } 553 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 554 555 #ifdef PCMCIADEBUG 556 if (pcmcia_debug) { 557 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 558 printf("%s: function %d CCR at %d offset %lx: " 559 "%x %x %x %x, %x %x %x %x, %x\n", 560 tmp->sc->dev.dv_xname, tmp->number, 561 tmp->pf_ccr_window, 562 (unsigned long) tmp->pf_ccr_offset, 563 pcmcia_ccr_read(tmp, 0), 564 pcmcia_ccr_read(tmp, 1), 565 pcmcia_ccr_read(tmp, 2), 566 pcmcia_ccr_read(tmp, 3), 567 568 pcmcia_ccr_read(tmp, 5), 569 pcmcia_ccr_read(tmp, 6), 570 pcmcia_ccr_read(tmp, 7), 571 pcmcia_ccr_read(tmp, 8), 572 573 pcmcia_ccr_read(tmp, 9)); 574 } 575 } 576 #endif 577 578 pcmcia_socket_settype(&sc->dev); 579 580 #ifdef IT8368E_LEGACY_MODE 581 /* return to I/O mode */ 582 it8368_mode(pf, IT8368_IO_MODE, IT8368_WIDTH_16); 583 #endif 584 585 pf->pf_flags |= PFF_ENABLED; 586 return (0); 587 588 bad: 589 /* 590 * Decrement the reference count, and power down the socket, if 591 * necessary. 592 */ 593 printf("%s: couldn't map the CCR\n", pf->child->dv_xname); 594 pcmcia_socket_disable(&sc->dev); 595 596 return (error); 597 } 598 599 /* Disable PCMCIA function. */ 600 void 601 pcmcia_function_disable(pf) 602 struct pcmcia_function *pf; 603 { 604 struct pcmcia_softc *sc = pf->sc; 605 struct pcmcia_function *tmp; 606 int reg; 607 608 if (pf->cfe == NULL) 609 panic("pcmcia_function_enable: function not initialized"); 610 611 if ((pf->pf_flags & PFF_ENABLED) == 0) { 612 /* 613 * Don't do anything but decrement if we're already disabled. 614 */ 615 goto out; 616 } 617 618 if (pcmcia_mfc(sc) && 619 (pf->pf_flags & PFF_DETACHED) == 0) { 620 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 621 reg &= ~(PCMCIA_CCR_OPTION_FUNC_ENABLE| 622 PCMCIA_CCR_OPTION_ADDR_DECODE| 623 PCMCIA_CCR_OPTION_IREQ_ENABLE); 624 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 625 } 626 627 /* 628 * it's possible for different functions' CCRs to be in the same 629 * underlying page. Check for that. Note we mark us as disabled 630 * first to avoid matching ourself. 631 */ 632 633 pf->pf_flags &= ~PFF_ENABLED; 634 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 635 if ((tmp->pf_flags & PFF_ENABLED) && 636 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 637 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 638 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 639 break; 640 } 641 642 /* Not used by anyone else; unmap the CCR. */ 643 if (tmp == NULL) { 644 pcmcia_mem_unmap(pf, pf->pf_ccr_window); 645 pcmcia_mem_free(pf, &pf->pf_pcmh); 646 } 647 648 out: 649 /* 650 * Decrement the reference count, and power down the socket, if 651 * necessary. 652 */ 653 pcmcia_socket_disable(&sc->dev); 654 } 655 656 int 657 pcmcia_io_map(pf, width, pcihp, windowp) 658 struct pcmcia_function *pf; 659 int width; 660 struct pcmcia_io_handle *pcihp; 661 int *windowp; 662 { 663 struct pcmcia_softc *sc = pf->sc; 664 int error; 665 666 if (pf->pf_flags & PFF_ENABLED) 667 printf("pcmcia_io_map: function is enabled!\n"); 668 669 error = pcmcia_chip_io_map(sc->pct, sc->pch, 670 width, 0, pcihp->size, pcihp, windowp); 671 if (error) 672 return (error); 673 674 /* 675 * XXX in the multifunction multi-iospace-per-function case, this 676 * needs to cooperate with io_alloc to make sure that the spaces 677 * don't overlap, and that the ccr's are set correctly 678 */ 679 680 if (pcmcia_mfc(sc) || 1) { 681 bus_addr_t iobase = pcihp->addr; 682 bus_addr_t iomax = pcihp->addr + pcihp->size - 1; 683 684 DPRINTF(("window iobase %lx iomax %lx\n", (long)iobase, 685 (long)iomax)); 686 if (pf->pf_mfc_iobase == 0) { 687 pf->pf_mfc_iobase = iobase; 688 pf->pf_mfc_iomax = iomax; 689 } else { 690 if (iobase < pf->pf_mfc_iobase) 691 pf->pf_mfc_iobase = iobase; 692 if (iomax > pf->pf_mfc_iomax) 693 pf->pf_mfc_iomax = iomax; 694 } 695 DPRINTF(("function iobase %lx iomax %lx\n", 696 (long)pf->pf_mfc_iobase, (long)pf->pf_mfc_iomax)); 697 } 698 699 return (0); 700 } 701 702 void 703 pcmcia_io_unmap(pf, window) 704 struct pcmcia_function *pf; 705 int window; 706 { 707 struct pcmcia_softc *sc = pf->sc; 708 709 if (pf->pf_flags & PFF_ENABLED) 710 printf("pcmcia_io_unmap: function is enabled!\n"); 711 712 pcmcia_chip_io_unmap(sc->pct, sc->pch, window); 713 } 714 715 void * 716 pcmcia_intr_establish(pf, ipl, ih_fct, ih_arg) 717 struct pcmcia_function *pf; 718 int ipl; 719 int (*ih_fct) __P((void *)); 720 void *ih_arg; 721 { 722 723 if (pf->pf_flags & PFF_ENABLED) 724 printf("pcmcia_intr_establish: function is enabled!\n"); 725 if (pf->pf_ih) 726 panic("pcmcia_intr_establish: already done\n"); 727 728 pf->pf_ih = pcmcia_chip_intr_establish(pf->sc->pct, pf->sc->pch, 729 pf, ipl, ih_fct, ih_arg); 730 if (!pf->pf_ih) 731 printf("%s: interrupt establish failed\n", pf->child->dv_xname); 732 return (pf->pf_ih); 733 } 734 735 void 736 pcmcia_intr_disestablish(pf, ih) 737 struct pcmcia_function *pf; 738 void *ih; 739 { 740 741 if (pf->pf_flags & PFF_ENABLED) 742 printf("pcmcia_intr_disestablish: function is enabled!\n"); 743 if (!pf->pf_ih) 744 panic("pcmcia_intr_distestablish: already done\n"); 745 746 pcmcia_chip_intr_disestablish(pf->sc->pct, pf->sc->pch, ih); 747 pf->pf_ih = 0; 748 } 749 750 int 751 pcmcia_config_alloc(pf, cfe) 752 struct pcmcia_function *pf; 753 struct pcmcia_config_entry *cfe; 754 { 755 int error = 0; 756 int n, m; 757 758 for (n = 0; n < cfe->num_iospace; n++) { 759 bus_addr_t start = cfe->iospace[n].start; 760 bus_size_t length = cfe->iospace[n].length; 761 bus_size_t align = cfe->iomask ? (1 << cfe->iomask) : 762 length; 763 bus_size_t skew = start & (align - 1); 764 765 if ((start - skew) == 0 && align < 0x400) { 766 if (skew) 767 printf("Drats! I need a skew!\n"); 768 start = 0; 769 } 770 771 DPRINTF(("pcmcia_config_alloc: io %d start=%lx length=%lx align=%lx skew=%lx\n", 772 n, (long)start, (long)length, (long)align, (long)skew)); 773 774 error = pcmcia_io_alloc(pf, start, length, align, 775 &cfe->iospace[n].handle); 776 if (error) 777 break; 778 } 779 if (n < cfe->num_iospace) { 780 for (m = 0; m < n; m++) 781 pcmcia_io_free(pf, &cfe->iospace[m].handle); 782 return (error); 783 } 784 785 for (n = 0; n < cfe->num_memspace; n++) { 786 bus_size_t length = cfe->memspace[n].length; 787 788 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 789 (long)length)); 790 791 error = pcmcia_mem_alloc(pf, length, &cfe->memspace[n].handle); 792 if (error) 793 break; 794 } 795 if (n < cfe->num_memspace) { 796 for (m = 0; m < cfe->num_iospace; m++) 797 pcmcia_io_free(pf, &cfe->iospace[m].handle); 798 for (m = 0; m < n; m++) 799 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 800 return (error); 801 } 802 803 /* This one's good! */ 804 return (error); 805 } 806 807 void 808 pcmcia_config_free(pf) 809 struct pcmcia_function *pf; 810 { 811 struct pcmcia_config_entry *cfe = pf->cfe; 812 int m; 813 814 for (m = 0; m < cfe->num_iospace; m++) 815 pcmcia_io_free(pf, &cfe->iospace[m].handle); 816 for (m = 0; m < cfe->num_memspace; m++) 817 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 818 } 819 820 int 821 pcmcia_config_map(pf) 822 struct pcmcia_function *pf; 823 { 824 struct pcmcia_config_entry *cfe = pf->cfe; 825 int error = 0; 826 int n, m; 827 828 for (n = 0; n < cfe->num_iospace; n++) { 829 int width; 830 831 if (cfe->flags & PCMCIA_CFE_IO16) 832 width = PCMCIA_WIDTH_AUTO; 833 else 834 width = PCMCIA_WIDTH_IO8; 835 error = pcmcia_io_map(pf, width, &cfe->iospace[n].handle, 836 &cfe->iospace[n].window); 837 if (error) 838 break; 839 } 840 if (n < cfe->num_iospace) { 841 for (m = 0; m < n; m++) 842 pcmcia_io_unmap(pf, cfe->iospace[m].window); 843 return (error); 844 } 845 846 for (n = 0; n < cfe->num_memspace; n++) { 847 bus_size_t length = cfe->memspace[n].length; 848 int width; 849 850 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 851 (long)length)); 852 853 /*XXX*/ 854 width = PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON; 855 error = pcmcia_mem_map(pf, width, 0, length, 856 &cfe->memspace[n].handle, &cfe->memspace[n].offset, 857 &cfe->memspace[n].window); 858 if (error) 859 break; 860 } 861 if (n < cfe->num_memspace) { 862 for (m = 0; m < cfe->num_iospace; m++) 863 pcmcia_io_unmap(pf, cfe->iospace[m].window); 864 for (m = 0; m < n; m++) 865 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 866 return (error); 867 } 868 869 /* This one's good! */ 870 return (error); 871 } 872 873 void 874 pcmcia_config_unmap(pf) 875 struct pcmcia_function *pf; 876 { 877 struct pcmcia_config_entry *cfe = pf->cfe; 878 int m; 879 880 for (m = 0; m < cfe->num_iospace; m++) 881 pcmcia_io_unmap(pf, cfe->iospace[m].window); 882 for (m = 0; m < cfe->num_memspace; m++) 883 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 884 } 885 886 int 887 pcmcia_function_configure(pf, validator) 888 struct pcmcia_function *pf; 889 int (*validator) __P((struct pcmcia_config_entry *)); 890 { 891 struct pcmcia_config_entry *cfe; 892 int error = ENOENT; 893 894 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 895 error = validator(cfe); 896 if (error) 897 continue; 898 error = pcmcia_config_alloc(pf, cfe); 899 if (!error) 900 break; 901 } 902 if (!cfe) { 903 DPRINTF(("pcmcia_function_configure: no config entry found, error=%d\n", 904 error)); 905 return (error); 906 } 907 908 /* Remember which configuration entry we are using. */ 909 pf->cfe = cfe; 910 911 error = pcmcia_config_map(pf); 912 if (error) { 913 DPRINTF(("pcmcia_function_configure: map failed, error=%d\n", 914 error)); 915 return (error); 916 } 917 918 return (0); 919 } 920 921 void 922 pcmcia_function_unconfigure(pf) 923 struct pcmcia_function *pf; 924 { 925 926 pcmcia_config_unmap(pf); 927 pcmcia_config_free(pf); 928 } 929
Indexes created Mon Sep 29 21:09:56 GMT 2025