pcmcia.c revision 1.53
1 /* $NetBSD: pcmcia.c,v 1.53 2004/08/10 02:50:52 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 1.53 2004/08/10 02:50:52 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; 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_chip_socket_enable(sc->pct, sc->pch); 160 161 pcmcia_read_cis(sc); 162 163 pcmcia_chip_socket_disable(sc->pct, sc->pch); 164 165 pcmcia_check_cis_quirks(sc); 166 167 /* 168 * bail now if the card has no functions, or if there was an error in 169 * the cis. 170 */ 171 172 if (sc->card.error) 173 return (1); 174 if (SIMPLEQ_EMPTY(&sc->card.pf_head)) 175 return (1); 176 177 if (pcmcia_verbose) 178 pcmcia_print_cis(sc); 179 180 attached = 0; 181 182 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 183 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 184 continue; 185 186 #ifdef DIAGNOSTIC 187 if (pf->child != NULL) { 188 printf("%s: %s still attached to function %d!\n", 189 sc->dev.dv_xname, pf->child->dv_xname, 190 pf->number); 191 panic("pcmcia_card_attach"); 192 } 193 #endif 194 pf->sc = sc; 195 pf->child = NULL; 196 pf->cfe = NULL; 197 pf->pf_ih = NULL; 198 } 199 200 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 201 if (SIMPLEQ_EMPTY(&pf->cfe_head)) 202 continue; 203 204 paa.manufacturer = sc->card.manufacturer; 205 paa.product = sc->card.product; 206 paa.card = &sc->card; 207 paa.pf = pf; 208 209 if ((pf->child = config_found_sm(&sc->dev, &paa, pcmcia_print, 210 pcmcia_submatch)) != NULL) 211 attached++; 212 } 213 214 return (attached ? 0 : 1); 215 } 216 217 void 218 pcmcia_card_detach(dev, flags) 219 struct device *dev; 220 int flags; /* DETACH_* flags */ 221 { 222 struct pcmcia_softc *sc = (struct pcmcia_softc *) dev; 223 struct pcmcia_function *pf; 224 int error; 225 226 /* 227 * We are running on either the PCMCIA socket's event thread 228 * or in user context detaching a device by user request. 229 */ 230 SIMPLEQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 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", 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 struct pcmcia_product * 348 pcmcia_product_lookup(pa, tab, ent_size, matchfn) 349 struct pcmcia_attach_args *pa; 350 const struct pcmcia_product *tab; 351 size_t ent_size; 352 pcmcia_product_match_fn matchfn; 353 { 354 const struct pcmcia_product *ent; 355 int matches; 356 357 #ifdef DIAGNOSTIC 358 if (sizeof *ent > ent_size) 359 panic("pcmcia_product_lookup: bogus ent_size %ld", 360 (long) ent_size); 361 #endif 362 363 for (ent = tab; 364 ent->pp_name != NULL; 365 ent = (const struct pcmcia_product *) 366 ((const char *)ent + ent_size)) { 367 368 /* see if it matches vendor/product/function */ 369 matches = (pa->manufacturer == ent->pp_vendor) && 370 (pa->product == ent->pp_product) && 371 (pa->pf->number == ent->pp_expfunc); 372 373 /* if a separate match function is given, let it override */ 374 if (matchfn != NULL) 375 matches = (*matchfn)(pa, ent, matches); 376 377 if (matches) 378 return (ent); 379 } 380 return (NULL); 381 } 382 383 int 384 pcmcia_card_gettype(dev) 385 struct device *dev; 386 { 387 struct pcmcia_softc *sc = (struct pcmcia_softc *)dev; 388 struct pcmcia_function *pf; 389 390 /* 391 * set the iftype to memory if this card has no functions (not yet 392 * probed), or only one function, and that is not initialized yet or 393 * that is memory. 394 */ 395 pf = SIMPLEQ_FIRST(&sc->card.pf_head); 396 if (pf == NULL || 397 (SIMPLEQ_NEXT(pf, pf_list) == NULL && 398 (pf->cfe == NULL || pf->cfe->iftype == PCMCIA_IFTYPE_MEMORY))) 399 return (PCMCIA_IFTYPE_MEMORY); 400 else 401 return (PCMCIA_IFTYPE_IO); 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 pcmcia_socket_enable(dev) 421 struct device *dev; 422 { 423 struct pcmcia_softc *sc = (void *)dev; 424 425 pcmcia_chip_socket_enable(sc->pct, sc->pch); 426 } 427 428 void pcmcia_socket_disable(dev) 429 struct device *dev; 430 { 431 struct pcmcia_softc *sc = (void *)dev; 432 433 pcmcia_chip_socket_disable(sc->pct, sc->pch); 434 } 435 436 /* Enable a PCMCIA function */ 437 int 438 pcmcia_function_enable(pf) 439 struct pcmcia_function *pf; 440 { 441 struct pcmcia_softc *sc = pf->sc; 442 struct pcmcia_function *tmp; 443 int reg; 444 445 if (pf->cfe == NULL) 446 panic("pcmcia_function_enable: function not initialized"); 447 448 /* 449 * Increase the reference count on the socket, enabling power, if 450 * necessary. 451 */ 452 if (sc->sc_enabled_count++ == 0) 453 pcmcia_chip_socket_enable(sc->pct, sc->pch); 454 DPRINTF(("%s: ++enabled_count = %d\n", sc->dev.dv_xname, 455 sc->sc_enabled_count)); 456 457 if (pf->pf_flags & PFF_ENABLED) { 458 /* 459 * Don't do anything if we're already enabled. 460 */ 461 return (0); 462 } 463 464 /* 465 * it's possible for different functions' CCRs to be in the same 466 * underlying page. Check for that. 467 */ 468 469 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 470 if ((tmp->pf_flags & PFF_ENABLED) && 471 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 472 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 473 (tmp->ccr_base - tmp->pf_ccr_offset + 474 tmp->pf_ccr_realsize))) { 475 pf->pf_ccrt = tmp->pf_ccrt; 476 pf->pf_ccrh = tmp->pf_ccrh; 477 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 478 479 /* 480 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 481 * tmp->ccr_base) + pf->ccr_base; 482 */ 483 pf->pf_ccr_offset = 484 (tmp->pf_ccr_offset + pf->ccr_base) - 485 tmp->ccr_base; 486 pf->pf_ccr_window = tmp->pf_ccr_window; 487 break; 488 } 489 } 490 491 if (tmp == NULL) { 492 if (pcmcia_mem_alloc(pf, PCMCIA_CCR_SIZE, &pf->pf_pcmh)) 493 goto bad; 494 495 if (pcmcia_mem_map(pf, PCMCIA_MEM_ATTR, pf->ccr_base, 496 PCMCIA_CCR_SIZE, &pf->pf_pcmh, &pf->pf_ccr_offset, 497 &pf->pf_ccr_window)) { 498 pcmcia_mem_free(pf, &pf->pf_pcmh); 499 goto bad; 500 } 501 } 502 503 if (pcmcia_mfc(sc)) { 504 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE0, 505 (pf->pf_mfc_iobase[0] >> 0) & 0xff); 506 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE1, 507 (pf->pf_mfc_iobase[0] >> 8) & 0xff); 508 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE2, 509 (pf->pf_mfc_iobase[1] >> 0) & 0xff); 510 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE3, 511 (pf->pf_mfc_iobase[1] >> 8) & 0xff); 512 pcmcia_ccr_write(pf, PCMCIA_CCR_IOSIZE, pf->pf_mfc_iomask); 513 } 514 515 reg = (pf->cfe->number & PCMCIA_CCR_OPTION_CFINDEX); 516 reg |= PCMCIA_CCR_OPTION_LEVIREQ; 517 if (pcmcia_mfc(sc)) { 518 reg |= (PCMCIA_CCR_OPTION_FUNC_ENABLE | 519 PCMCIA_CCR_OPTION_ADDR_DECODE); 520 if (pf->pf_ih) 521 reg |= PCMCIA_CCR_OPTION_IREQ_ENABLE; 522 523 } 524 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 525 526 reg = 0; 527 if ((pf->cfe->flags & PCMCIA_CFE_IO16) == 0) 528 reg |= PCMCIA_CCR_STATUS_IOIS8; 529 if (pf->cfe->flags & PCMCIA_CFE_AUDIO) 530 reg |= PCMCIA_CCR_STATUS_AUDIO; 531 pcmcia_ccr_write(pf, PCMCIA_CCR_STATUS, reg); 532 533 pcmcia_ccr_write(pf, PCMCIA_CCR_SOCKETCOPY, 0); 534 535 #ifdef PCMCIADEBUG 536 if (pcmcia_debug) { 537 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 538 printf("%s: function %d CCR at %d offset %lx: " 539 "%x %x %x %x, %x %x %x %x, %x\n", 540 tmp->sc->dev.dv_xname, tmp->number, 541 tmp->pf_ccr_window, 542 (unsigned long) tmp->pf_ccr_offset, 543 pcmcia_ccr_read(tmp, 0), 544 pcmcia_ccr_read(tmp, 1), 545 pcmcia_ccr_read(tmp, 2), 546 pcmcia_ccr_read(tmp, 3), 547 548 pcmcia_ccr_read(tmp, 5), 549 pcmcia_ccr_read(tmp, 6), 550 pcmcia_ccr_read(tmp, 7), 551 pcmcia_ccr_read(tmp, 8), 552 553 pcmcia_ccr_read(tmp, 9)); 554 } 555 } 556 #endif 557 558 pf->pf_flags |= PFF_ENABLED; 559 560 #ifdef IT8368E_LEGACY_MODE 561 /* return to I/O mode */ 562 it8368_mode(pf, IT8368_IO_MODE, IT8368_WIDTH_16); 563 #endif 564 return (0); 565 566 bad: 567 /* 568 * Decrement the reference count, and power down the socket, if 569 * necessary. 570 */ 571 if (--sc->sc_enabled_count == 0) 572 pcmcia_chip_socket_disable(sc->pct, sc->pch); 573 DPRINTF(("%s: --enabled_count = %d\n", sc->dev.dv_xname, 574 sc->sc_enabled_count)); 575 576 return (1); 577 } 578 579 /* Disable PCMCIA function. */ 580 void 581 pcmcia_function_disable(pf) 582 struct pcmcia_function *pf; 583 { 584 struct pcmcia_function *tmp; 585 int reg; 586 587 if (pf->cfe == NULL) 588 panic("pcmcia_function_enable: function not initialized"); 589 590 if ((pf->pf_flags & PFF_ENABLED) == 0) { 591 /* 592 * Don't do anything but decrement if we're already disabled. 593 */ 594 goto out; 595 } 596 597 if (pcmcia_mfc(pf->sc)) { 598 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 599 reg &= ~(PCMCIA_CCR_OPTION_FUNC_ENABLE| 600 PCMCIA_CCR_OPTION_ADDR_DECODE| 601 PCMCIA_CCR_OPTION_IREQ_ENABLE); 602 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 603 } 604 605 /* 606 * it's possible for different functions' CCRs to be in the same 607 * underlying page. Check for that. Note we mark us as disabled 608 * first to avoid matching ourself. 609 */ 610 611 pf->pf_flags &= ~PFF_ENABLED; 612 SIMPLEQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 613 if ((tmp->pf_flags & PFF_ENABLED) && 614 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 615 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 616 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 617 break; 618 } 619 620 /* Not used by anyone else; unmap the CCR. */ 621 if (tmp == NULL) { 622 pcmcia_mem_unmap(pf, pf->pf_ccr_window); 623 pcmcia_mem_free(pf, &pf->pf_pcmh); 624 } 625 626 out: 627 /* 628 * Decrement the reference count, and power down the socket, if 629 * necessary. 630 */ 631 if (--pf->sc->sc_enabled_count == 0) 632 pcmcia_chip_socket_disable(pf->sc->pct, pf->sc->pch); 633 DPRINTF(("%s: --enabled_count = %d\n", pf->sc->dev.dv_xname, 634 pf->sc->sc_enabled_count)); 635 } 636 637 int 638 pcmcia_io_map(pf, width, pcihp, windowp) 639 struct pcmcia_function *pf; 640 int width; 641 struct pcmcia_io_handle *pcihp; 642 int *windowp; 643 { 644 int error; 645 646 if (pf->pf_flags & PFF_ENABLED) 647 printf("pcmcia_io_map: function is enabled!\n"); 648 649 error = pcmcia_chip_io_map(pf->sc->pct, pf->sc->pch, 650 width, 0, pcihp->size, pcihp, windowp); 651 if (error) 652 return (error); 653 654 /* 655 * XXX in the multifunction multi-iospace-per-function case, this 656 * needs to cooperate with io_alloc to make sure that the spaces 657 * don't overlap, and that the ccr's are set correctly 658 */ 659 660 if (pcmcia_mfc(pf->sc)) { 661 int win; 662 long iomask; 663 664 /* round up to nearest (2^n)-1 */ 665 for (iomask = 1; iomask < pcihp->size; iomask <<= 1) 666 ; 667 iomask--; 668 669 win = pf->pf_mfc_windows; 670 KASSERT(win < 2); 671 printf("win %d = addr %lx size %lx iomask %lx\n", win, (long)pcihp->addr, (long)pcihp->size, (long)iomask); 672 pf->pf_mfc_iobase[win] = pcihp->addr; 673 pf->pf_mfc_iomask = iomask; 674 } 675 676 return (0); 677 } 678 679 void 680 pcmcia_io_unmap(pf, window) 681 struct pcmcia_function *pf; 682 int window; 683 { 684 685 if (pf->pf_flags & PFF_ENABLED) 686 printf("pcmcia_io_unmap: function is enabled!\n"); 687 688 if (pcmcia_mfc(pf->sc)) { 689 /* 690 * Don't bother trying to unmap windows in the CCR here, 691 * because we generally get called when a card has been 692 * ejected, and the CCR isn't there any more. 693 */ 694 --pf->pf_mfc_windows; 695 } 696 697 pcmcia_chip_io_unmap(pf->sc->pct, pf->sc->pch, window); 698 } 699 700 void * 701 pcmcia_intr_establish(pf, ipl, ih_fct, ih_arg) 702 struct pcmcia_function *pf; 703 int ipl; 704 int (*ih_fct) __P((void *)); 705 void *ih_arg; 706 { 707 708 if (pf->pf_flags & PFF_ENABLED) 709 printf("pcmcia_intr_establish: function is enabled!\n"); 710 if (pf->pf_ih) 711 panic("pcmcia_intr_establish: already done\n"); 712 713 pf->pf_ih = pcmcia_chip_intr_establish(pf->sc->pct, pf->sc->pch, 714 pf, ipl, ih_fct, ih_arg); 715 return (pf->pf_ih); 716 } 717 718 void 719 pcmcia_intr_disestablish(pf, ih) 720 struct pcmcia_function *pf; 721 void *ih; 722 { 723 724 if (pf->pf_flags & PFF_ENABLED) 725 printf("pcmcia_intr_disestablish: function is enabled!\n"); 726 if (!pf->pf_ih) 727 panic("pcmcia_intr_distestablish: already done\n"); 728 729 pcmcia_chip_intr_disestablish(pf->sc->pct, pf->sc->pch, ih); 730 pf->pf_ih = 0; 731 } 732 733 int 734 pcmcia_config_alloc(pf, cfe) 735 struct pcmcia_function *pf; 736 struct pcmcia_config_entry *cfe; 737 { 738 int error; 739 int n, m; 740 741 for (n = 0; n < cfe->num_iospace; n++) { 742 bus_addr_t start = cfe->iospace[n].start; 743 bus_size_t length = cfe->iospace[n].length; 744 bus_size_t align = cfe->iomask ? (1 << cfe->iomask) : 745 length; 746 bus_size_t skew = start & (align - 1); 747 748 if (skew) 749 printf("Drats! I need a skew!\n"); 750 if ((start & ~(align - 1)) == 0 && align < 0x400) 751 start = 0; 752 753 DPRINTF(("pcmcia_config_alloc: io %d start=%lx length=%lx align=%lx skew=%lx\n", 754 n, (long)start, (long)length, (long)align, (long)skew)); 755 756 error = pcmcia_io_alloc(pf, start, length, align, 757 &cfe->iospace[n].handle); 758 if (error) 759 break; 760 } 761 if (n < cfe->num_iospace) { 762 for (m = 0; m < n; m++) 763 pcmcia_io_free(pf, &cfe->iospace[m].handle); 764 return (error); 765 } 766 767 for (n = 0; n < cfe->num_memspace; n++) { 768 bus_size_t length = cfe->memspace[n].length; 769 770 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 771 (long)length)); 772 773 error = pcmcia_mem_alloc(pf, length, &cfe->memspace[n].handle); 774 if (error) 775 break; 776 } 777 if (n < cfe->num_memspace) { 778 for (m = 0; m < cfe->num_iospace; m++) 779 pcmcia_io_free(pf, &cfe->iospace[m].handle); 780 for (m = 0; m < n; m++) 781 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 782 return (error); 783 } 784 785 /* This one's good! */ 786 return (0); 787 } 788 789 void 790 pcmcia_config_free(pf) 791 struct pcmcia_function *pf; 792 { 793 struct pcmcia_config_entry *cfe = pf->cfe; 794 int m; 795 796 for (m = 0; m < cfe->num_iospace; m++) 797 pcmcia_io_free(pf, &cfe->iospace[m].handle); 798 for (m = 0; m < cfe->num_memspace; m++) 799 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 800 } 801 802 int 803 pcmcia_config_map(pf) 804 struct pcmcia_function *pf; 805 { 806 struct pcmcia_config_entry *cfe = pf->cfe; 807 int error; 808 int n, m; 809 810 for (n = 0; n < cfe->num_iospace; n++) { 811 int width; 812 813 switch (cfe->flags & (PCMCIA_CFE_IO8|PCMCIA_CFE_IO16)) { 814 case PCMCIA_CFE_IO8: 815 width = PCMCIA_WIDTH_IO8; 816 break; 817 case PCMCIA_CFE_IO16: 818 width = PCMCIA_WIDTH_IO16; 819 break; 820 case PCMCIA_CFE_IO8|PCMCIA_CFE_IO16: 821 default: 822 width = PCMCIA_WIDTH_AUTO; 823 break; 824 } 825 error = pcmcia_io_map(pf, width, &cfe->iospace[n].handle, 826 &cfe->iospace[n].window); 827 if (error) 828 break; 829 } 830 if (n < cfe->num_iospace) { 831 for (m = 0; m < n; m++) 832 pcmcia_io_unmap(pf, cfe->iospace[m].window); 833 return (error); 834 } 835 836 for (n = 0; n < cfe->num_memspace; n++) { 837 bus_size_t length = cfe->memspace[n].length; 838 int width; 839 840 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 841 (long)length)); 842 843 /*XXX*/ 844 width = PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON; 845 error = pcmcia_mem_map(pf, width, 0, length, 846 &cfe->memspace[n].handle, &cfe->memspace[n].offset, 847 &cfe->memspace[n].window); 848 if (error) 849 break; 850 } 851 if (n < cfe->num_memspace) { 852 for (m = 0; m < cfe->num_iospace; m++) 853 pcmcia_io_unmap(pf, cfe->iospace[m].window); 854 for (m = 0; m < n; m++) 855 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 856 return (error); 857 } 858 859 /* This one's good! */ 860 return (0); 861 } 862 863 void 864 pcmcia_config_unmap(pf) 865 struct pcmcia_function *pf; 866 { 867 struct pcmcia_config_entry *cfe = pf->cfe; 868 int m; 869 870 for (m = 0; m < cfe->num_iospace; m++) 871 pcmcia_io_unmap(pf, cfe->iospace[m].window); 872 for (m = 0; m < cfe->num_memspace; m++) 873 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 874 } 875 876 int 877 pcmcia_function_configure(pf, validator) 878 struct pcmcia_function *pf; 879 int (*validator) __P((struct pcmcia_config_entry *)); 880 { 881 struct pcmcia_config_entry *cfe; 882 int error = ENOENT; 883 884 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 885 error = validator(cfe); 886 if (error) 887 continue; 888 error = pcmcia_config_alloc(pf, cfe); 889 if (!error) 890 break; 891 } 892 if (!cfe) { 893 DPRINTF(("pcmcia_function_configure: no config entry found, error=%d\n", 894 error)); 895 return (error); 896 } 897 898 /* Remember which configuration entry we are using. */ 899 pf->cfe = cfe; 900 901 error = pcmcia_config_map(pf); 902 if (error) { 903 DPRINTF(("pcmcia_function_configure: map failed, error=%d\n", 904 error)); 905 return (error); 906 } 907 908 return (0); 909 } 910 911 void 912 pcmcia_function_unconfigure(pf) 913 struct pcmcia_function *pf; 914 { 915 916 pcmcia_config_unmap(pf); 917 pcmcia_config_free(pf); 918 } 919
Indexes created Mon Sep 29 21:09:56 GMT 2025