pcmcia.c revision 1.57
1 /* $NetBSD: pcmcia.c,v 1.57 2004/08/10 18:43:50 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 1.57 2004/08/10 18:43:50 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\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 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 else 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 else 383 matches = 0; 384 385 /* if a separate match function is given, let it override */ 386 if (matchfn) 387 matches = (*matchfn)(pa, pp, matches); 388 389 if (matches) 390 return (pp); 391 } 392 return (0); 393 } 394 395 int 396 pcmcia_card_gettype(dev) 397 struct device *dev; 398 { 399 struct pcmcia_softc *sc = (struct pcmcia_softc *)dev; 400 struct pcmcia_function *pf; 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 return (PCMCIA_IFTYPE_MEMORY); 412 else 413 return (PCMCIA_IFTYPE_IO); 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 pcmcia_socket_enable(dev) 433 struct device *dev; 434 { 435 struct pcmcia_softc *sc = (void *)dev; 436 437 pcmcia_chip_socket_enable(sc->pct, sc->pch); 438 } 439 440 void pcmcia_socket_disable(dev) 441 struct device *dev; 442 { 443 struct pcmcia_softc *sc = (void *)dev; 444 445 pcmcia_chip_socket_disable(sc->pct, sc->pch); 446 } 447 448 /* Enable a PCMCIA function */ 449 int 450 pcmcia_function_enable(pf) 451 struct pcmcia_function *pf; 452 { 453 struct pcmcia_softc *sc = pf->sc; 454 struct pcmcia_function *tmp; 455 int reg; 456 int error; 457 458 if (pf->cfe == NULL) 459 panic("pcmcia_function_enable: function not initialized"); 460 461 /* 462 * Increase the reference count on the socket, enabling power, if 463 * necessary. 464 */ 465 if (sc->sc_enabled_count++ == 0) 466 pcmcia_chip_socket_enable(sc->pct, sc->pch); 467 DPRINTF(("%s: ++enabled_count = %d\n", sc->dev.dv_xname, 468 sc->sc_enabled_count)); 469 470 if (pf->pf_flags & PFF_ENABLED) { 471 /* 472 * Don't do anything if we're already enabled. 473 */ 474 return (0); 475 } 476 477 /* 478 * it's possible for different functions' CCRs to be in the same 479 * underlying page. Check for that. 480 */ 481 482 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 483 if ((tmp->pf_flags & PFF_ENABLED) && 484 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 485 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 486 (tmp->ccr_base - tmp->pf_ccr_offset + 487 tmp->pf_ccr_realsize))) { 488 pf->pf_ccrt = tmp->pf_ccrt; 489 pf->pf_ccrh = tmp->pf_ccrh; 490 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 491 492 /* 493 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 494 * tmp->ccr_base) + pf->ccr_base; 495 */ 496 pf->pf_ccr_offset = 497 (tmp->pf_ccr_offset + pf->ccr_base) - 498 tmp->ccr_base; 499 pf->pf_ccr_window = tmp->pf_ccr_window; 500 break; 501 } 502 } 503 504 if (tmp == NULL) { 505 error = pcmcia_mem_alloc(pf, PCMCIA_CCR_SIZE, &pf->pf_pcmh); 506 if (error) 507 goto bad; 508 509 error = pcmcia_mem_map(pf, PCMCIA_MEM_ATTR, pf->ccr_base, 510 PCMCIA_CCR_SIZE, &pf->pf_pcmh, &pf->pf_ccr_offset, 511 &pf->pf_ccr_window); 512 if (error) { 513 pcmcia_mem_free(pf, &pf->pf_pcmh); 514 goto bad; 515 } 516 } 517 518 if (pcmcia_mfc(sc)) { 519 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE0, 520 (pf->pf_mfc_iobase[0] >> 0) & 0xff); 521 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE1, 522 (pf->pf_mfc_iobase[0] >> 8) & 0xff); 523 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE2, 524 (pf->pf_mfc_iobase[1] >> 0) & 0xff); 525 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE3, 526 (pf->pf_mfc_iobase[1] >> 8) & 0xff); 527 pcmcia_ccr_write(pf, PCMCIA_CCR_IOSIZE, pf->pf_mfc_iomask); 528 } 529 530 reg = (pf->cfe->number & PCMCIA_CCR_OPTION_CFINDEX); 531 reg |= PCMCIA_CCR_OPTION_LEVIREQ; 532 if (pcmcia_mfc(sc)) { 533 reg |= (PCMCIA_CCR_OPTION_FUNC_ENABLE | 534 PCMCIA_CCR_OPTION_ADDR_DECODE); 535 if (pf->pf_ih) 536 reg |= PCMCIA_CCR_OPTION_IREQ_ENABLE; 537 538 } 539 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 540 541 reg = 0; 542 if ((pf->cfe->flags & PCMCIA_CFE_IO16) == 0) 543 reg |= PCMCIA_CCR_STATUS_IOIS8; 544 if (pf->cfe->flags & PCMCIA_CFE_AUDIO) 545 reg |= PCMCIA_CCR_STATUS_AUDIO; 546 pcmcia_ccr_write(pf, PCMCIA_CCR_STATUS, reg); 547 548 pcmcia_ccr_write(pf, PCMCIA_CCR_SOCKETCOPY, 0); 549 550 #ifdef PCMCIADEBUG 551 if (pcmcia_debug) { 552 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 553 printf("%s: function %d CCR at %d offset %lx: " 554 "%x %x %x %x, %x %x %x %x, %x\n", 555 tmp->sc->dev.dv_xname, tmp->number, 556 tmp->pf_ccr_window, 557 (unsigned long) tmp->pf_ccr_offset, 558 pcmcia_ccr_read(tmp, 0), 559 pcmcia_ccr_read(tmp, 1), 560 pcmcia_ccr_read(tmp, 2), 561 pcmcia_ccr_read(tmp, 3), 562 563 pcmcia_ccr_read(tmp, 5), 564 pcmcia_ccr_read(tmp, 6), 565 pcmcia_ccr_read(tmp, 7), 566 pcmcia_ccr_read(tmp, 8), 567 568 pcmcia_ccr_read(tmp, 9)); 569 } 570 } 571 #endif 572 573 pf->pf_flags |= PFF_ENABLED; 574 575 #ifdef IT8368E_LEGACY_MODE 576 /* return to I/O mode */ 577 it8368_mode(pf, IT8368_IO_MODE, IT8368_WIDTH_16); 578 #endif 579 return (0); 580 581 bad: 582 /* 583 * Decrement the reference count, and power down the socket, if 584 * necessary. 585 */ 586 if (--sc->sc_enabled_count == 0) 587 pcmcia_chip_socket_disable(sc->pct, sc->pch); 588 DPRINTF(("%s: --enabled_count = %d\n", sc->dev.dv_xname, 589 sc->sc_enabled_count)); 590 printf("%s: couldn't map the CCR\n", pf->child->dv_xname); 591 592 return (error); 593 } 594 595 /* Disable PCMCIA function. */ 596 void 597 pcmcia_function_disable(pf) 598 struct pcmcia_function *pf; 599 { 600 struct pcmcia_function *tmp; 601 int reg; 602 603 if (pf->cfe == NULL) 604 panic("pcmcia_function_enable: function not initialized"); 605 606 if ((pf->pf_flags & PFF_ENABLED) == 0) { 607 /* 608 * Don't do anything but decrement if we're already disabled. 609 */ 610 goto out; 611 } 612 613 if (pcmcia_mfc(pf->sc)) { 614 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 615 reg &= ~(PCMCIA_CCR_OPTION_FUNC_ENABLE| 616 PCMCIA_CCR_OPTION_ADDR_DECODE| 617 PCMCIA_CCR_OPTION_IREQ_ENABLE); 618 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 619 } 620 621 /* 622 * it's possible for different functions' CCRs to be in the same 623 * underlying page. Check for that. Note we mark us as disabled 624 * first to avoid matching ourself. 625 */ 626 627 pf->pf_flags &= ~PFF_ENABLED; 628 SIMPLEQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 629 if ((tmp->pf_flags & PFF_ENABLED) && 630 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 631 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 632 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 633 break; 634 } 635 636 /* Not used by anyone else; unmap the CCR. */ 637 if (tmp == NULL) { 638 pcmcia_mem_unmap(pf, pf->pf_ccr_window); 639 pcmcia_mem_free(pf, &pf->pf_pcmh); 640 } 641 642 out: 643 /* 644 * Decrement the reference count, and power down the socket, if 645 * necessary. 646 */ 647 if (--pf->sc->sc_enabled_count == 0) 648 pcmcia_chip_socket_disable(pf->sc->pct, pf->sc->pch); 649 DPRINTF(("%s: --enabled_count = %d\n", pf->sc->dev.dv_xname, 650 pf->sc->sc_enabled_count)); 651 } 652 653 int 654 pcmcia_io_map(pf, width, pcihp, windowp) 655 struct pcmcia_function *pf; 656 int width; 657 struct pcmcia_io_handle *pcihp; 658 int *windowp; 659 { 660 int error; 661 662 if (pf->pf_flags & PFF_ENABLED) 663 printf("pcmcia_io_map: function is enabled!\n"); 664 665 error = pcmcia_chip_io_map(pf->sc->pct, pf->sc->pch, 666 width, 0, pcihp->size, pcihp, windowp); 667 if (error) 668 return (error); 669 670 /* 671 * XXX in the multifunction multi-iospace-per-function case, this 672 * needs to cooperate with io_alloc to make sure that the spaces 673 * don't overlap, and that the ccr's are set correctly 674 */ 675 676 if (pcmcia_mfc(pf->sc)) { 677 int win; 678 long iomask; 679 680 /* round up to nearest (2^n)-1 */ 681 for (iomask = 1; iomask < pcihp->size; iomask <<= 1) 682 ; 683 iomask--; 684 685 win = pf->pf_mfc_windows; 686 KASSERT(win < 2); 687 printf("win %d = addr %lx size %lx iomask %lx\n", win, (long)pcihp->addr, (long)pcihp->size, (long)iomask); 688 pf->pf_mfc_iobase[win] = pcihp->addr; 689 pf->pf_mfc_iomask = iomask; 690 } 691 692 return (0); 693 } 694 695 void 696 pcmcia_io_unmap(pf, window) 697 struct pcmcia_function *pf; 698 int window; 699 { 700 701 if (pf->pf_flags & PFF_ENABLED) 702 printf("pcmcia_io_unmap: function is enabled!\n"); 703 704 if (pcmcia_mfc(pf->sc)) { 705 /* 706 * Don't bother trying to unmap windows in the CCR here, 707 * because we generally get called when a card has been 708 * ejected, and the CCR isn't there any more. 709 */ 710 --pf->pf_mfc_windows; 711 } 712 713 pcmcia_chip_io_unmap(pf->sc->pct, pf->sc->pch, window); 714 } 715 716 void * 717 pcmcia_intr_establish(pf, ipl, ih_fct, ih_arg) 718 struct pcmcia_function *pf; 719 int ipl; 720 int (*ih_fct) __P((void *)); 721 void *ih_arg; 722 { 723 724 if (pf->pf_flags & PFF_ENABLED) 725 printf("pcmcia_intr_establish: function is enabled!\n"); 726 if (pf->pf_ih) 727 panic("pcmcia_intr_establish: already done\n"); 728 729 pf->pf_ih = pcmcia_chip_intr_establish(pf->sc->pct, pf->sc->pch, 730 pf, ipl, ih_fct, ih_arg); 731 if (!pf->pf_ih) 732 printf("%s: interrupt establish failed\n", pf->child->dv_xname); 733 return (pf->pf_ih); 734 } 735 736 void 737 pcmcia_intr_disestablish(pf, ih) 738 struct pcmcia_function *pf; 739 void *ih; 740 { 741 742 if (pf->pf_flags & PFF_ENABLED) 743 printf("pcmcia_intr_disestablish: function is enabled!\n"); 744 if (!pf->pf_ih) 745 panic("pcmcia_intr_distestablish: already done\n"); 746 747 pcmcia_chip_intr_disestablish(pf->sc->pct, pf->sc->pch, ih); 748 pf->pf_ih = 0; 749 } 750 751 int 752 pcmcia_config_alloc(pf, cfe) 753 struct pcmcia_function *pf; 754 struct pcmcia_config_entry *cfe; 755 { 756 int error; 757 int n, m; 758 759 for (n = 0; n < cfe->num_iospace; n++) { 760 bus_addr_t start = cfe->iospace[n].start; 761 bus_size_t length = cfe->iospace[n].length; 762 bus_size_t align = cfe->iomask ? (1 << cfe->iomask) : 763 length; 764 bus_size_t skew = start & (align - 1); 765 766 if ((start - skew) == 0 && align < 0x400) { 767 if (skew) 768 printf("Drats! I need a skew!\n"); 769 start = 0; 770 } 771 772 DPRINTF(("pcmcia_config_alloc: io %d start=%lx length=%lx align=%lx skew=%lx\n", 773 n, (long)start, (long)length, (long)align, (long)skew)); 774 775 error = pcmcia_io_alloc(pf, start, length, align, 776 &cfe->iospace[n].handle); 777 if (error) 778 break; 779 } 780 if (n < cfe->num_iospace) { 781 for (m = 0; m < n; m++) 782 pcmcia_io_free(pf, &cfe->iospace[m].handle); 783 return (error); 784 } 785 786 for (n = 0; n < cfe->num_memspace; n++) { 787 bus_size_t length = cfe->memspace[n].length; 788 789 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 790 (long)length)); 791 792 error = pcmcia_mem_alloc(pf, length, &cfe->memspace[n].handle); 793 if (error) 794 break; 795 } 796 if (n < cfe->num_memspace) { 797 for (m = 0; m < cfe->num_iospace; m++) 798 pcmcia_io_free(pf, &cfe->iospace[m].handle); 799 for (m = 0; m < n; m++) 800 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 801 return (error); 802 } 803 804 /* This one's good! */ 805 return (0); 806 } 807 808 void 809 pcmcia_config_free(pf) 810 struct pcmcia_function *pf; 811 { 812 struct pcmcia_config_entry *cfe = pf->cfe; 813 int m; 814 815 for (m = 0; m < cfe->num_iospace; m++) 816 pcmcia_io_free(pf, &cfe->iospace[m].handle); 817 for (m = 0; m < cfe->num_memspace; m++) 818 pcmcia_mem_free(pf, &cfe->memspace[m].handle); 819 } 820 821 int 822 pcmcia_config_map(pf) 823 struct pcmcia_function *pf; 824 { 825 struct pcmcia_config_entry *cfe = pf->cfe; 826 int error; 827 int n, m; 828 829 for (n = 0; n < cfe->num_iospace; n++) { 830 int width; 831 832 switch (cfe->flags & (PCMCIA_CFE_IO8|PCMCIA_CFE_IO16)) { 833 case PCMCIA_CFE_IO8: 834 width = PCMCIA_WIDTH_IO8; 835 break; 836 case PCMCIA_CFE_IO16: 837 width = PCMCIA_WIDTH_IO16; 838 break; 839 case PCMCIA_CFE_IO8|PCMCIA_CFE_IO16: 840 default: 841 width = PCMCIA_WIDTH_AUTO; 842 break; 843 } 844 error = pcmcia_io_map(pf, width, &cfe->iospace[n].handle, 845 &cfe->iospace[n].window); 846 if (error) 847 break; 848 } 849 if (n < cfe->num_iospace) { 850 for (m = 0; m < n; m++) 851 pcmcia_io_unmap(pf, cfe->iospace[m].window); 852 return (error); 853 } 854 855 for (n = 0; n < cfe->num_memspace; n++) { 856 bus_size_t length = cfe->memspace[n].length; 857 int width; 858 859 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 860 (long)length)); 861 862 /*XXX*/ 863 width = PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON; 864 error = pcmcia_mem_map(pf, width, 0, length, 865 &cfe->memspace[n].handle, &cfe->memspace[n].offset, 866 &cfe->memspace[n].window); 867 if (error) 868 break; 869 } 870 if (n < cfe->num_memspace) { 871 for (m = 0; m < cfe->num_iospace; m++) 872 pcmcia_io_unmap(pf, cfe->iospace[m].window); 873 for (m = 0; m < n; m++) 874 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 875 return (error); 876 } 877 878 /* This one's good! */ 879 return (0); 880 } 881 882 void 883 pcmcia_config_unmap(pf) 884 struct pcmcia_function *pf; 885 { 886 struct pcmcia_config_entry *cfe = pf->cfe; 887 int m; 888 889 for (m = 0; m < cfe->num_iospace; m++) 890 pcmcia_io_unmap(pf, cfe->iospace[m].window); 891 for (m = 0; m < cfe->num_memspace; m++) 892 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 893 } 894 895 int 896 pcmcia_function_configure(pf, validator) 897 struct pcmcia_function *pf; 898 int (*validator) __P((struct pcmcia_config_entry *)); 899 { 900 struct pcmcia_config_entry *cfe; 901 int error = ENOENT; 902 903 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 904 error = validator(cfe); 905 if (error) 906 continue; 907 error = pcmcia_config_alloc(pf, cfe); 908 if (!error) 909 break; 910 } 911 if (!cfe) { 912 DPRINTF(("pcmcia_function_configure: no config entry found, error=%d\n", 913 error)); 914 return (error); 915 } 916 917 /* Remember which configuration entry we are using. */ 918 pf->cfe = cfe; 919 920 error = pcmcia_config_map(pf); 921 if (error) { 922 DPRINTF(("pcmcia_function_configure: map failed, error=%d\n", 923 error)); 924 return (error); 925 } 926 927 return (0); 928 } 929 930 void 931 pcmcia_function_unconfigure(pf) 932 struct pcmcia_function *pf; 933 { 934 935 pcmcia_config_unmap(pf); 936 pcmcia_config_free(pf); 937 } 938
Indexes created Mon Sep 29 21:09:56 GMT 2025