pcmcia.c revision 1.58
1 /* $NetBSD: pcmcia.c,v 1.58 2004/08/10 19:15:08 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 1.58 2004/08/10 19:15:08 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 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 int 395 pcmcia_card_gettype(dev) 396 struct device *dev; 397 { 398 struct pcmcia_softc *sc = (struct pcmcia_softc *)dev; 399 struct pcmcia_function *pf; 400 401 /* 402 * set the iftype to memory if this card has no functions (not yet 403 * probed), or only one function, and that is not initialized yet or 404 * that is memory. 405 */ 406 pf = SIMPLEQ_FIRST(&sc->card.pf_head); 407 if (pf == NULL || 408 (SIMPLEQ_NEXT(pf, pf_list) == NULL && 409 (pf->cfe == NULL || pf->cfe->iftype == PCMCIA_IFTYPE_MEMORY))) 410 return (PCMCIA_IFTYPE_MEMORY); 411 else 412 return (PCMCIA_IFTYPE_IO); 413 } 414 415 /* 416 * Initialize a PCMCIA function. May be called as long as the function is 417 * disabled. 418 */ 419 void 420 pcmcia_function_init(pf, cfe) 421 struct pcmcia_function *pf; 422 struct pcmcia_config_entry *cfe; 423 { 424 if (pf->pf_flags & PFF_ENABLED) 425 panic("pcmcia_function_init: function is enabled"); 426 427 /* Remember which configuration entry we are using. */ 428 pf->cfe = cfe; 429 } 430 431 void pcmcia_socket_enable(dev) 432 struct device *dev; 433 { 434 struct pcmcia_softc *sc = (void *)dev; 435 436 pcmcia_chip_socket_enable(sc->pct, sc->pch); 437 } 438 439 void pcmcia_socket_disable(dev) 440 struct device *dev; 441 { 442 struct pcmcia_softc *sc = (void *)dev; 443 444 pcmcia_chip_socket_disable(sc->pct, sc->pch); 445 } 446 447 /* Enable a PCMCIA function */ 448 int 449 pcmcia_function_enable(pf) 450 struct pcmcia_function *pf; 451 { 452 struct pcmcia_softc *sc = pf->sc; 453 struct pcmcia_function *tmp; 454 int reg; 455 int error; 456 457 if (pf->cfe == NULL) 458 panic("pcmcia_function_enable: function not initialized"); 459 460 /* 461 * Increase the reference count on the socket, enabling power, if 462 * necessary. 463 */ 464 if (sc->sc_enabled_count++ == 0) 465 pcmcia_chip_socket_enable(sc->pct, sc->pch); 466 DPRINTF(("%s: ++enabled_count = %d\n", sc->dev.dv_xname, 467 sc->sc_enabled_count)); 468 469 if (pf->pf_flags & PFF_ENABLED) { 470 /* 471 * Don't do anything if we're already enabled. 472 */ 473 return (0); 474 } 475 476 /* 477 * it's possible for different functions' CCRs to be in the same 478 * underlying page. Check for that. 479 */ 480 481 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 482 if ((tmp->pf_flags & PFF_ENABLED) && 483 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 484 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 485 (tmp->ccr_base - tmp->pf_ccr_offset + 486 tmp->pf_ccr_realsize))) { 487 pf->pf_ccrt = tmp->pf_ccrt; 488 pf->pf_ccrh = tmp->pf_ccrh; 489 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 490 491 /* 492 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 493 * tmp->ccr_base) + pf->ccr_base; 494 */ 495 pf->pf_ccr_offset = 496 (tmp->pf_ccr_offset + pf->ccr_base) - 497 tmp->ccr_base; 498 pf->pf_ccr_window = tmp->pf_ccr_window; 499 break; 500 } 501 } 502 503 if (tmp == NULL) { 504 error = pcmcia_mem_alloc(pf, PCMCIA_CCR_SIZE, &pf->pf_pcmh); 505 if (error) 506 goto bad; 507 508 error = pcmcia_mem_map(pf, PCMCIA_MEM_ATTR, pf->ccr_base, 509 PCMCIA_CCR_SIZE, &pf->pf_pcmh, &pf->pf_ccr_offset, 510 &pf->pf_ccr_window); 511 if (error) { 512 pcmcia_mem_free(pf, &pf->pf_pcmh); 513 goto bad; 514 } 515 } 516 517 if (pcmcia_mfc(sc)) { 518 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE0, 519 (pf->pf_mfc_iobase[0] >> 0) & 0xff); 520 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE1, 521 (pf->pf_mfc_iobase[0] >> 8) & 0xff); 522 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE2, 523 (pf->pf_mfc_iobase[1] >> 0) & 0xff); 524 pcmcia_ccr_write(pf, PCMCIA_CCR_IOBASE3, 525 (pf->pf_mfc_iobase[1] >> 8) & 0xff); 526 pcmcia_ccr_write(pf, PCMCIA_CCR_IOSIZE, pf->pf_mfc_iomask); 527 } 528 529 reg = (pf->cfe->number & PCMCIA_CCR_OPTION_CFINDEX); 530 reg |= PCMCIA_CCR_OPTION_LEVIREQ; 531 if (pcmcia_mfc(sc)) { 532 reg |= (PCMCIA_CCR_OPTION_FUNC_ENABLE | 533 PCMCIA_CCR_OPTION_ADDR_DECODE); 534 if (pf->pf_ih) 535 reg |= PCMCIA_CCR_OPTION_IREQ_ENABLE; 536 537 } 538 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 539 540 reg = 0; 541 if ((pf->cfe->flags & PCMCIA_CFE_IO16) == 0) 542 reg |= PCMCIA_CCR_STATUS_IOIS8; 543 if (pf->cfe->flags & PCMCIA_CFE_AUDIO) 544 reg |= PCMCIA_CCR_STATUS_AUDIO; 545 pcmcia_ccr_write(pf, PCMCIA_CCR_STATUS, reg); 546 547 pcmcia_ccr_write(pf, PCMCIA_CCR_SOCKETCOPY, 0); 548 549 #ifdef PCMCIADEBUG 550 if (pcmcia_debug) { 551 SIMPLEQ_FOREACH(tmp, &sc->card.pf_head, pf_list) { 552 printf("%s: function %d CCR at %d offset %lx: " 553 "%x %x %x %x, %x %x %x %x, %x\n", 554 tmp->sc->dev.dv_xname, tmp->number, 555 tmp->pf_ccr_window, 556 (unsigned long) tmp->pf_ccr_offset, 557 pcmcia_ccr_read(tmp, 0), 558 pcmcia_ccr_read(tmp, 1), 559 pcmcia_ccr_read(tmp, 2), 560 pcmcia_ccr_read(tmp, 3), 561 562 pcmcia_ccr_read(tmp, 5), 563 pcmcia_ccr_read(tmp, 6), 564 pcmcia_ccr_read(tmp, 7), 565 pcmcia_ccr_read(tmp, 8), 566 567 pcmcia_ccr_read(tmp, 9)); 568 } 569 } 570 #endif 571 572 pf->pf_flags |= PFF_ENABLED; 573 574 #ifdef IT8368E_LEGACY_MODE 575 /* return to I/O mode */ 576 it8368_mode(pf, IT8368_IO_MODE, IT8368_WIDTH_16); 577 #endif 578 return (0); 579 580 bad: 581 /* 582 * Decrement the reference count, and power down the socket, if 583 * necessary. 584 */ 585 if (--sc->sc_enabled_count == 0) 586 pcmcia_chip_socket_disable(sc->pct, sc->pch); 587 DPRINTF(("%s: --enabled_count = %d\n", sc->dev.dv_xname, 588 sc->sc_enabled_count)); 589 printf("%s: couldn't map the CCR\n", pf->child->dv_xname); 590 591 return (error); 592 } 593 594 /* Disable PCMCIA function. */ 595 void 596 pcmcia_function_disable(pf) 597 struct pcmcia_function *pf; 598 { 599 struct pcmcia_function *tmp; 600 int reg; 601 602 if (pf->cfe == NULL) 603 panic("pcmcia_function_enable: function not initialized"); 604 605 if ((pf->pf_flags & PFF_ENABLED) == 0) { 606 /* 607 * Don't do anything but decrement if we're already disabled. 608 */ 609 goto out; 610 } 611 612 if (pcmcia_mfc(pf->sc)) { 613 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 614 reg &= ~(PCMCIA_CCR_OPTION_FUNC_ENABLE| 615 PCMCIA_CCR_OPTION_ADDR_DECODE| 616 PCMCIA_CCR_OPTION_IREQ_ENABLE); 617 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 618 } 619 620 /* 621 * it's possible for different functions' CCRs to be in the same 622 * underlying page. Check for that. Note we mark us as disabled 623 * first to avoid matching ourself. 624 */ 625 626 pf->pf_flags &= ~PFF_ENABLED; 627 SIMPLEQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 628 if ((tmp->pf_flags & PFF_ENABLED) && 629 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 630 ((pf->ccr_base + PCMCIA_CCR_SIZE) <= 631 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 632 break; 633 } 634 635 /* Not used by anyone else; unmap the CCR. */ 636 if (tmp == NULL) { 637 pcmcia_mem_unmap(pf, pf->pf_ccr_window); 638 pcmcia_mem_free(pf, &pf->pf_pcmh); 639 } 640 641 out: 642 /* 643 * Decrement the reference count, and power down the socket, if 644 * necessary. 645 */ 646 if (--pf->sc->sc_enabled_count == 0) 647 pcmcia_chip_socket_disable(pf->sc->pct, pf->sc->pch); 648 DPRINTF(("%s: --enabled_count = %d\n", pf->sc->dev.dv_xname, 649 pf->sc->sc_enabled_count)); 650 } 651 652 int 653 pcmcia_io_map(pf, width, pcihp, windowp) 654 struct pcmcia_function *pf; 655 int width; 656 struct pcmcia_io_handle *pcihp; 657 int *windowp; 658 { 659 int error; 660 661 if (pf->pf_flags & PFF_ENABLED) 662 printf("pcmcia_io_map: function is enabled!\n"); 663 664 error = pcmcia_chip_io_map(pf->sc->pct, pf->sc->pch, 665 width, 0, pcihp->size, pcihp, windowp); 666 if (error) 667 return (error); 668 669 /* 670 * XXX in the multifunction multi-iospace-per-function case, this 671 * needs to cooperate with io_alloc to make sure that the spaces 672 * don't overlap, and that the ccr's are set correctly 673 */ 674 675 if (pcmcia_mfc(pf->sc)) { 676 int win; 677 long iomask; 678 679 /* round up to nearest (2^n)-1 */ 680 for (iomask = 1; iomask < pcihp->size; iomask <<= 1) 681 ; 682 iomask--; 683 684 win = pf->pf_mfc_windows; 685 KASSERT(win < 2); 686 printf("win %d = addr %lx size %lx iomask %lx\n", win, (long)pcihp->addr, (long)pcihp->size, (long)iomask); 687 pf->pf_mfc_iobase[win] = pcihp->addr; 688 pf->pf_mfc_iomask = iomask; 689 } 690 691 return (0); 692 } 693 694 void 695 pcmcia_io_unmap(pf, window) 696 struct pcmcia_function *pf; 697 int window; 698 { 699 700 if (pf->pf_flags & PFF_ENABLED) 701 printf("pcmcia_io_unmap: function is enabled!\n"); 702 703 if (pcmcia_mfc(pf->sc)) { 704 /* 705 * Don't bother trying to unmap windows in the CCR here, 706 * because we generally get called when a card has been 707 * ejected, and the CCR isn't there any more. 708 */ 709 --pf->pf_mfc_windows; 710 } 711 712 pcmcia_chip_io_unmap(pf->sc->pct, pf->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; 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 (0); 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; 826 int n, m; 827 828 for (n = 0; n < cfe->num_iospace; n++) { 829 int width; 830 831 switch (cfe->flags & (PCMCIA_CFE_IO8|PCMCIA_CFE_IO16)) { 832 case PCMCIA_CFE_IO8: 833 width = PCMCIA_WIDTH_IO8; 834 break; 835 case PCMCIA_CFE_IO16: 836 width = PCMCIA_WIDTH_IO16; 837 break; 838 case PCMCIA_CFE_IO8|PCMCIA_CFE_IO16: 839 default: 840 width = PCMCIA_WIDTH_AUTO; 841 break; 842 } 843 error = pcmcia_io_map(pf, width, &cfe->iospace[n].handle, 844 &cfe->iospace[n].window); 845 if (error) 846 break; 847 } 848 if (n < cfe->num_iospace) { 849 for (m = 0; m < n; m++) 850 pcmcia_io_unmap(pf, cfe->iospace[m].window); 851 return (error); 852 } 853 854 for (n = 0; n < cfe->num_memspace; n++) { 855 bus_size_t length = cfe->memspace[n].length; 856 int width; 857 858 DPRINTF(("pcmcia_config_alloc: mem %d length %lx\n", n, 859 (long)length)); 860 861 /*XXX*/ 862 width = PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON; 863 error = pcmcia_mem_map(pf, width, 0, length, 864 &cfe->memspace[n].handle, &cfe->memspace[n].offset, 865 &cfe->memspace[n].window); 866 if (error) 867 break; 868 } 869 if (n < cfe->num_memspace) { 870 for (m = 0; m < cfe->num_iospace; m++) 871 pcmcia_io_unmap(pf, cfe->iospace[m].window); 872 for (m = 0; m < n; m++) 873 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 874 return (error); 875 } 876 877 /* This one's good! */ 878 return (0); 879 } 880 881 void 882 pcmcia_config_unmap(pf) 883 struct pcmcia_function *pf; 884 { 885 struct pcmcia_config_entry *cfe = pf->cfe; 886 int m; 887 888 for (m = 0; m < cfe->num_iospace; m++) 889 pcmcia_io_unmap(pf, cfe->iospace[m].window); 890 for (m = 0; m < cfe->num_memspace; m++) 891 pcmcia_mem_unmap(pf, cfe->memspace[m].window); 892 } 893 894 int 895 pcmcia_function_configure(pf, validator) 896 struct pcmcia_function *pf; 897 int (*validator) __P((struct pcmcia_config_entry *)); 898 { 899 struct pcmcia_config_entry *cfe; 900 int error = ENOENT; 901 902 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 903 error = validator(cfe); 904 if (error) 905 continue; 906 error = pcmcia_config_alloc(pf, cfe); 907 if (!error) 908 break; 909 } 910 if (!cfe) { 911 DPRINTF(("pcmcia_function_configure: no config entry found, error=%d\n", 912 error)); 913 return (error); 914 } 915 916 /* Remember which configuration entry we are using. */ 917 pf->cfe = cfe; 918 919 error = pcmcia_config_map(pf); 920 if (error) { 921 DPRINTF(("pcmcia_function_configure: map failed, error=%d\n", 922 error)); 923 return (error); 924 } 925 926 return (0); 927 } 928 929 void 930 pcmcia_function_unconfigure(pf) 931 struct pcmcia_function *pf; 932 { 933 934 pcmcia_config_unmap(pf); 935 pcmcia_config_free(pf); 936 } 937
Indexes created Mon Sep 29 21:09:56 GMT 2025