pcmcia_cis.c revision 1.34
1/* $NetBSD: pcmcia_cis.c,v 1.34 2004/08/07 01:52:42 mycroft Exp $ */ 2 3/* 4 * Copyright (c) 1997 Marc Horowitz. 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 Marc Horowitz. 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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33__KERNEL_RCSID(0, "$NetBSD: pcmcia_cis.c,v 1.34 2004/08/07 01:52:42 mycroft Exp $"); 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/device.h> 38#include <sys/malloc.h> 39 40#include <dev/pcmcia/pcmciareg.h> 41#include <dev/pcmcia/pcmciachip.h> 42#include <dev/pcmcia/pcmciavar.h> 43 44#ifdef PCMCIACISDEBUG 45int pcmciacis_debug = 0; 46#define DPRINTF(arg) if (pcmciacis_debug) printf arg 47#else 48#define DPRINTF(arg) 49#endif 50 51#define PCMCIA_CIS_SIZE 1024 52 53struct cis_state { 54 int count; 55 int gotmfc; 56 struct pcmcia_config_entry temp_cfe; 57 struct pcmcia_config_entry *default_cfe; 58 struct pcmcia_card *card; 59 struct pcmcia_function *pf; 60}; 61 62int pcmcia_parse_cis_tuple __P((struct pcmcia_tuple *, void *)); 63static int decode_funce __P((struct pcmcia_tuple *, struct pcmcia_function *)); 64static void create_pf __P((struct cis_state *)); 65 66 67static void 68create_pf(struct cis_state *state) 69{ 70 state->pf = malloc(sizeof(*state->pf), M_DEVBUF, M_NOWAIT|M_ZERO); 71 state->pf->number = state->count++; 72 state->pf->last_config_index = -1; 73 SIMPLEQ_INIT(&state->pf->cfe_head); 74 SIMPLEQ_INSERT_TAIL(&state->card->pf_head, state->pf, pf_list); 75} 76 77void 78pcmcia_free_pf(struct pcmcia_function_head *pfhead) 79{ 80 struct pcmcia_function *pf, *opf = NULL; 81 struct pcmcia_config_entry *cfe, *ocfe = NULL; 82 83 SIMPLEQ_FOREACH(pf, pfhead, pf_list) { 84 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 85 if (ocfe) 86 free(ocfe, M_DEVBUF); 87 ocfe = cfe; 88 } 89 if (ocfe) { 90 free(ocfe, M_DEVBUF); 91 ocfe = NULL; 92 } 93 if (opf) 94 free(opf, M_DEVBUF); 95 opf = pf; 96 } 97 if (opf) 98 free(opf, M_DEVBUF); 99 100 SIMPLEQ_INIT(pfhead); 101} 102 103void 104pcmcia_read_cis(sc) 105 struct pcmcia_softc *sc; 106{ 107 struct cis_state state; 108 109 memset(&state, 0, sizeof state); 110 111 state.card = &sc->card; 112 113 state.card->error = 0; 114 state.card->cis1_major = -1; 115 state.card->cis1_minor = -1; 116 state.card->cis1_info[0] = NULL; 117 state.card->cis1_info[1] = NULL; 118 state.card->cis1_info[2] = NULL; 119 state.card->cis1_info[3] = NULL; 120 state.card->manufacturer = PCMCIA_VENDOR_INVALID; 121 state.card->product = PCMCIA_PRODUCT_INVALID; 122 SIMPLEQ_INIT(&state.card->pf_head); 123 124 state.pf = NULL; 125 126 if (pcmcia_scan_cis((struct device *)sc, pcmcia_parse_cis_tuple, 127 &state) == -1) 128 state.card->error++; 129} 130 131int 132pcmcia_scan_cis(dev, fct, arg) 133 struct device *dev; 134 int (*fct) __P((struct pcmcia_tuple *, void *)); 135 void *arg; 136{ 137 struct pcmcia_softc *sc = (struct pcmcia_softc *) dev; 138 pcmcia_chipset_tag_t pct; 139 pcmcia_chipset_handle_t pch; 140 int window; 141 struct pcmcia_mem_handle pcmh; 142 struct pcmcia_tuple tuple; 143 int longlink_present; 144 int longlink_common; 145 u_long longlink_addr; 146 int mfc_count; 147 int mfc_index; 148 struct { 149 int common; 150 u_long addr; 151 } mfc[256 / 5]; 152 int ret; 153 154 ret = 0; 155 156 pct = sc->pct; 157 pch = sc->pch; 158 159 /* allocate some memory */ 160 161 if (pcmcia_chip_mem_alloc(pct, pch, PCMCIA_CIS_SIZE, &pcmh)) { 162#ifdef DIAGNOSTIC 163 printf("%s: can't alloc memory to read attributes\n", 164 sc->dev.dv_xname); 165#endif 166 return -1; 167 } 168 /* initialize state for the primary tuple chain */ 169 if (pcmcia_chip_mem_map(pct, pch, PCMCIA_MEM_ATTR, 0, 170 PCMCIA_CIS_SIZE, &pcmh, &tuple.ptr, &window)) { 171 pcmcia_chip_mem_free(pct, pch, &pcmh); 172#ifdef DIAGNOSTIC 173 printf("%s: can't map memory to read attributes\n", 174 sc->dev.dv_xname); 175#endif 176 return -1; 177 } 178 tuple.memt = pcmh.memt; 179 tuple.memh = pcmh.memh; 180 181 DPRINTF(("cis mem map %x\n", (unsigned int) tuple.memh)); 182 183 tuple.mult = 2; 184 185 longlink_present = 1; 186 longlink_common = 1; 187 longlink_addr = 0; 188 189 mfc_count = 0; 190 mfc_index = 0; 191 192 DPRINTF(("%s: CIS tuple chain:\n", sc->dev.dv_xname)); 193 194 while (1) { 195 DELAY(1000); 196 197 while (1) { 198 /* 199 * Perform boundary check for insane cards. 200 * If CIS is too long, simulate CIS end. 201 * (This check may not be sufficient for 202 * malicious cards.) 203 */ 204 if (tuple.mult * tuple.ptr >= PCMCIA_CIS_SIZE - 1 205 - 32 /* ad hoc value */ ) { 206 DPRINTF(("CISTPL_END (too long CIS)\n")); 207 tuple.code = PCMCIA_CISTPL_END; 208 goto cis_end; 209 } 210 211 /* get the tuple code */ 212 213 tuple.code = pcmcia_cis_read_1(&tuple, tuple.ptr); 214 215 /* two special-case tuples */ 216 217 if (tuple.code == PCMCIA_CISTPL_NULL) { 218 DPRINTF((" 00\nCISTPL_NONE\n")); 219 tuple.ptr++; 220 continue; 221 } else if (tuple.code == PCMCIA_CISTPL_END) { 222 DPRINTF((" ff\nCISTPL_END\n")); 223 cis_end: 224 /* Call the function for the END tuple, since 225 the CIS semantics depend on it */ 226 if ((*fct) (&tuple, arg)) { 227 pcmcia_chip_mem_unmap(pct, pch, 228 window); 229 ret = 1; 230 goto done; 231 } 232 tuple.ptr++; 233 break; 234 } 235 236 /* now all the normal tuples */ 237 238 tuple.length = pcmcia_cis_read_1(&tuple, tuple.ptr + 1); 239#ifdef PCMCIACISDEBUG 240 /* print the tuple */ 241 { 242 int i; 243 244 DPRINTF((" %02x %02x", tuple.code, 245 tuple.length)); 246 247 for (i = 0; i < tuple.length; i++) { 248 DPRINTF((" %02x", 249 pcmcia_tuple_read_1(&tuple, i))); 250 if ((i % 16) == 13) 251 DPRINTF(("\n")); 252 } 253 if ((i % 16) != 14) 254 DPRINTF(("\n")); 255 } 256#endif 257 switch (tuple.code) { 258 case PCMCIA_CISTPL_LONGLINK_A: 259 case PCMCIA_CISTPL_LONGLINK_C: 260 if (tuple.length < 4) { 261 DPRINTF(("CISTPL_LONGLINK_%s too " 262 "short %d\n", 263 longlink_common ? "C" : "A", 264 tuple.length)); 265 break; 266 } 267 longlink_present = 1; 268 longlink_common = (tuple.code == 269 PCMCIA_CISTPL_LONGLINK_C) ? 1 : 0; 270 longlink_addr = pcmcia_tuple_read_4(&tuple, 0); 271 DPRINTF(("CISTPL_LONGLINK_%s %lx\n", 272 longlink_common ? "C" : "A", 273 longlink_addr)); 274 break; 275 case PCMCIA_CISTPL_NO_LINK: 276 longlink_present = 0; 277 DPRINTF(("CISTPL_NO_LINK\n")); 278 break; 279 case PCMCIA_CISTPL_CHECKSUM: 280 if (tuple.length < 5) { 281 DPRINTF(("CISTPL_CHECKSUM too " 282 "short %d\n", tuple.length)); 283 break; 284 } { 285 int16_t offset; 286 u_long addr, length; 287 u_int cksum, sum; 288 int i; 289 290 *((u_int16_t *) & offset) = 291 pcmcia_tuple_read_2(&tuple, 0); 292 length = pcmcia_tuple_read_2(&tuple, 2); 293 cksum = pcmcia_tuple_read_1(&tuple, 4); 294 295 addr = tuple.ptr + offset; 296 297 DPRINTF(("CISTPL_CHECKSUM addr=%lx " 298 "len=%lx cksum=%x", 299 addr, length, cksum)); 300 301 /* 302 * XXX do more work to deal with 303 * distant regions 304 */ 305 if ((addr >= PCMCIA_CIS_SIZE) || 306 ((addr + length) < 0) || 307 ((addr + length) >= 308 PCMCIA_CIS_SIZE)) { 309 DPRINTF((" skipped, " 310 "too distant\n")); 311 break; 312 } 313 sum = 0; 314 for (i = 0; i < length; i++) 315 sum += 316 bus_space_read_1(tuple.memt, 317 tuple.memh, 318 addr + tuple.mult * i); 319 if (cksum != (sum & 0xff)) { 320 DPRINTF((" failed sum=%x\n", 321 sum)); 322 printf("%s: CIS checksum " 323 "failed\n", 324 sc->dev.dv_xname); 325#if 0 326 /* 327 * XXX Some working cards have 328 * XXX bad checksums!! 329 */ 330 ret = -1; 331#endif 332 } else { 333 DPRINTF((" ok\n")); 334 } 335 } 336 break; 337 case PCMCIA_CISTPL_LONGLINK_MFC: 338 if (tuple.length < 1) { 339 DPRINTF(("CISTPL_LONGLINK_MFC too " 340 "short %d\n", tuple.length)); 341 break; 342 } 343 if (((tuple.length - 1) % 5) != 0) { 344 DPRINTF(("CISTPL_LONGLINK_MFC bogus " 345 "length %d\n", tuple.length)); 346 break; 347 } 348 /* 349 * this is kind of ad hoc, as I don't have 350 * any real documentation 351 */ 352 { 353 int i, tmp_count; 354 355 /* 356 * put count into tmp var so that 357 * if we have to bail (because it's 358 * a bogus count) it won't be 359 * remembered for later use. 360 */ 361 tmp_count = 362 pcmcia_tuple_read_1(&tuple, 0); 363 DPRINTF(("CISTPL_LONGLINK_MFC %d", 364 tmp_count)); 365 366 /* 367 * make _sure_ it's the right size; 368 * if too short, it may be a weird 369 * (unknown/undefined) format 370 */ 371 if (tuple.length != (tmp_count*5 + 1)) { 372 DPRINTF((" bogus length %d\n", 373 tuple.length)); 374 break; 375 } 376 377#ifdef PCMCIACISDEBUG /* maybe enable all the time? */ 378 /* 379 * sanity check for a programming 380 * error which is difficult to find 381 * when debugging. 382 */ 383 if (tmp_count > 384 howmany(sizeof mfc, sizeof mfc[0])) 385 panic("CISTPL_LONGLINK_MFC mfc " 386 "count would blow stack"); 387#endif 388 389 mfc_count = tmp_count; 390 for (i = 0; i < mfc_count; i++) { 391 mfc[i].common = 392 (pcmcia_tuple_read_1(&tuple, 393 1 + 5 * i) == 394 PCMCIA_MFC_MEM_COMMON) ? 395 1 : 0; 396 mfc[i].addr = 397 pcmcia_tuple_read_4(&tuple, 398 1 + 5 * i + 1); 399 DPRINTF((" %s:%lx", 400 mfc[i].common ? "common" : 401 "attr", mfc[i].addr)); 402 } 403 DPRINTF(("\n")); 404 } 405 /* 406 * for LONGLINK_MFC, fall through to the 407 * function. This tuple has structural and 408 * semantic content. 409 */ 410 default: 411 { 412 if ((*fct) (&tuple, arg)) { 413 pcmcia_chip_mem_unmap(pct, 414 pch, window); 415 ret = 1; 416 goto done; 417 } 418 } 419 break; 420 } /* switch */ 421 /* skip to the next tuple */ 422 tuple.ptr += 2 + tuple.length; 423 } 424 425 /* 426 * the chain is done. Clean up and move onto the next one, 427 * if any. The loop is here in the case that there is an MFC 428 * card with no longlink (which defaults to existing, == 0). 429 * In general, this means that if one pointer fails, it will 430 * try the next one, instead of just bailing. 431 */ 432 433 while (1) { 434 pcmcia_chip_mem_unmap(pct, pch, window); 435 436 if (longlink_present) { 437 /* 438 * if the longlink is to attribute memory, 439 * then it is unindexed. That is, if the 440 * link value is 0x100, then the actual 441 * memory address is 0x200. This means that 442 * we need to multiply by 2 before calling 443 * mem_map, and then divide the resulting ptr 444 * by 2 after. 445 */ 446 447 if (!longlink_common) 448 longlink_addr *= 2; 449 450 pcmcia_chip_mem_map(pct, pch, longlink_common ? 451 (PCMCIA_WIDTH_MEM8 | PCMCIA_MEM_COMMON) : 452 PCMCIA_MEM_ATTR, 453 longlink_addr, PCMCIA_CIS_SIZE, 454 &pcmh, &tuple.ptr, &window); 455 456 if (!longlink_common) 457 tuple.ptr /= 2; 458 459 DPRINTF(("cis mem map %x\n", 460 (unsigned int) tuple.memh)); 461 462 tuple.mult = longlink_common ? 1 : 2; 463 longlink_present = 0; 464 longlink_common = 1; 465 longlink_addr = 0; 466 } else if (mfc_count && (mfc_index < mfc_count)) { 467 if (!mfc[mfc_index].common) 468 mfc[mfc_index].addr *= 2; 469 470 pcmcia_chip_mem_map(pct, pch, 471 mfc[mfc_index].common ? 472 (PCMCIA_WIDTH_MEM8 | PCMCIA_MEM_COMMON) : 473 PCMCIA_MEM_ATTR, 474 mfc[mfc_index].addr, PCMCIA_CIS_SIZE, 475 &pcmh, &tuple.ptr, &window); 476 477 if (!mfc[mfc_index].common) 478 tuple.ptr /= 2; 479 480 DPRINTF(("cis mem map %x\n", 481 (unsigned int) tuple.memh)); 482 483 /* set parse state, and point at the next one */ 484 485 tuple.mult = mfc[mfc_index].common ? 1 : 2; 486 487 mfc_index++; 488 } else { 489 goto done; 490 } 491 492 /* make sure that the link is valid */ 493 tuple.code = pcmcia_cis_read_1(&tuple, tuple.ptr); 494 if (tuple.code != PCMCIA_CISTPL_LINKTARGET) { 495 DPRINTF(("CISTPL_LINKTARGET expected, " 496 "code %02x observed\n", tuple.code)); 497 continue; 498 } 499 tuple.length = pcmcia_cis_read_1(&tuple, tuple.ptr + 1); 500 if (tuple.length < 3) { 501 DPRINTF(("CISTPL_LINKTARGET too short %d\n", 502 tuple.length)); 503 continue; 504 } 505 if ((pcmcia_tuple_read_1(&tuple, 0) != 'C') || 506 (pcmcia_tuple_read_1(&tuple, 1) != 'I') || 507 (pcmcia_tuple_read_1(&tuple, 2) != 'S')) { 508 DPRINTF(("CISTPL_LINKTARGET magic " 509 "%02x%02x%02x incorrect\n", 510 pcmcia_tuple_read_1(&tuple, 0), 511 pcmcia_tuple_read_1(&tuple, 1), 512 pcmcia_tuple_read_1(&tuple, 2))); 513 continue; 514 } 515 tuple.ptr += 2 + tuple.length; 516 517 break; 518 } 519 } 520 521 pcmcia_chip_mem_unmap(pct, pch, window); 522 523done: 524 /* Last, free the allocated memory block */ 525 pcmcia_chip_mem_free(pct, pch, &pcmh); 526 527 return (ret); 528} 529 530/* XXX this is incredibly verbose. Not sure what trt is */ 531 532void 533pcmcia_print_cis(sc) 534 struct pcmcia_softc *sc; 535{ 536 struct pcmcia_card *card = &sc->card; 537 struct pcmcia_function *pf; 538 struct pcmcia_config_entry *cfe; 539 int i; 540 541 printf("%s: CIS version ", sc->dev.dv_xname); 542 if (card->cis1_major == 4) { 543 if (card->cis1_minor == 0) 544 printf("PCMCIA 1.0\n"); 545 else if (card->cis1_minor == 1) 546 printf("PCMCIA 2.0 or 2.1\n"); 547 } else if (card->cis1_major >= 5) 548 printf("PC Card Standard %d.%d\n", card->cis1_major, card->cis1_minor); 549 else 550 printf("unknown (major=%d, minor=%d)\n", 551 card->cis1_major, card->cis1_minor); 552 553 printf("%s: CIS info: ", sc->dev.dv_xname); 554 for (i = 0; i < 4; i++) { 555 if (card->cis1_info[i] == NULL) 556 break; 557 if (i) 558 printf(", "); 559 printf("%s", card->cis1_info[i]); 560 } 561 printf("\n"); 562 563 printf("%s: Manufacturer code 0x%x, product 0x%x\n", 564 sc->dev.dv_xname, card->manufacturer, card->product); 565 566 SIMPLEQ_FOREACH(pf, &card->pf_head, pf_list) { 567 printf("%s: function %d: ", sc->dev.dv_xname, pf->number); 568 569 switch (pf->function) { 570 case PCMCIA_FUNCTION_UNSPEC: 571 printf("unspecified"); 572 break; 573 case PCMCIA_FUNCTION_MULTIFUNCTION: 574 printf("multi-function"); 575 break; 576 case PCMCIA_FUNCTION_MEMORY: 577 printf("memory"); 578 break; 579 case PCMCIA_FUNCTION_SERIAL: 580 printf("serial port"); 581 break; 582 case PCMCIA_FUNCTION_PARALLEL: 583 printf("parallel port"); 584 break; 585 case PCMCIA_FUNCTION_DISK: 586 printf("fixed disk"); 587 switch (pf->pf_funce_disk_interface) { 588 case PCMCIA_TPLFE_DDI_PCCARD_ATA: 589 printf("(ata)"); 590 break; 591 default: 592 break; 593 } 594 break; 595 case PCMCIA_FUNCTION_VIDEO: 596 printf("video adapter"); 597 break; 598 case PCMCIA_FUNCTION_NETWORK: 599 printf("network adapter"); 600 break; 601 case PCMCIA_FUNCTION_AIMS: 602 printf("auto incrementing mass storage"); 603 break; 604 case PCMCIA_FUNCTION_SCSI: 605 printf("SCSI bridge"); 606 break; 607 case PCMCIA_FUNCTION_SECURITY: 608 printf("Security services"); 609 break; 610 case PCMCIA_FUNCTION_INSTRUMENT: 611 printf("Instrument"); 612 break; 613 default: 614 printf("unknown (%d)", pf->function); 615 break; 616 } 617 618 printf(", ccr addr %lx mask %lx\n", pf->ccr_base, pf->ccr_mask); 619 620 SIMPLEQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 621 printf("%s: function %d, config table entry %d: ", 622 sc->dev.dv_xname, pf->number, cfe->number); 623 624 switch (cfe->iftype) { 625 case PCMCIA_IFTYPE_MEMORY: 626 printf("memory card"); 627 break; 628 case PCMCIA_IFTYPE_IO: 629 printf("I/O card"); 630 break; 631 default: 632 printf("card type unknown"); 633 break; 634 } 635 636 printf("; irq mask %x", cfe->irqmask); 637 638 if (cfe->num_iospace) { 639 printf("; iomask %lx, iospace", cfe->iomask); 640 641 for (i = 0; i < cfe->num_iospace; i++) { 642 printf(" %lx", cfe->iospace[i].start); 643 if (cfe->iospace[i].length) 644 printf("-%lx", 645 cfe->iospace[i].start + 646 cfe->iospace[i].length - 1); 647 } 648 } 649 if (cfe->num_memspace) { 650 printf("; memspace"); 651 652 for (i = 0; i < cfe->num_memspace; i++) { 653 printf(" %lx", 654 cfe->memspace[i].cardaddr); 655 if (cfe->memspace[i].length) 656 printf("-%lx", 657 cfe->memspace[i].cardaddr + 658 cfe->memspace[i].length - 1); 659 if (cfe->memspace[i].hostaddr) 660 printf("@%lx", 661 cfe->memspace[i].hostaddr); 662 } 663 } 664 if (cfe->maxtwins) 665 printf("; maxtwins %d", cfe->maxtwins); 666 667 printf(";"); 668 669 if (cfe->flags & PCMCIA_CFE_MWAIT_REQUIRED) 670 printf(" mwait_required"); 671 if (cfe->flags & PCMCIA_CFE_RDYBSY_ACTIVE) 672 printf(" rdybsy_active"); 673 if (cfe->flags & PCMCIA_CFE_WP_ACTIVE) 674 printf(" wp_active"); 675 if (cfe->flags & PCMCIA_CFE_BVD_ACTIVE) 676 printf(" bvd_active"); 677 if (cfe->flags & PCMCIA_CFE_IO8) 678 printf(" io8"); 679 if (cfe->flags & PCMCIA_CFE_IO16) 680 printf(" io16"); 681 if (cfe->flags & PCMCIA_CFE_IRQSHARE) 682 printf(" irqshare"); 683 if (cfe->flags & PCMCIA_CFE_IRQPULSE) 684 printf(" irqpulse"); 685 if (cfe->flags & PCMCIA_CFE_IRQLEVEL) 686 printf(" irqlevel"); 687 if (cfe->flags & PCMCIA_CFE_POWERDOWN) 688 printf(" powerdown"); 689 if (cfe->flags & PCMCIA_CFE_READONLY) 690 printf(" readonly"); 691 if (cfe->flags & PCMCIA_CFE_AUDIO) 692 printf(" audio"); 693 694 printf("\n"); 695 } 696 } 697 698 if (card->error) 699 printf("%s: %d errors found while parsing CIS\n", 700 sc->dev.dv_xname, card->error); 701} 702 703int 704pcmcia_parse_cis_tuple(tuple, arg) 705 struct pcmcia_tuple *tuple; 706 void *arg; 707{ 708 /* most of these are educated guesses */ 709 static struct pcmcia_config_entry init_cfe = { 710 -1, PCMCIA_CFE_RDYBSY_ACTIVE | PCMCIA_CFE_WP_ACTIVE | 711 PCMCIA_CFE_BVD_ACTIVE, PCMCIA_IFTYPE_MEMORY, 712 }; 713 714 struct cis_state *state = arg; 715 716 switch (tuple->code) { 717 case PCMCIA_CISTPL_END: 718 /* if we've seen a LONGLINK_MFC, and this is the first 719 * END after it, reset the function list. 720 * 721 * XXX This might also be the right place to start a 722 * new function, but that assumes that a function 723 * definition never crosses any longlink, and I'm not 724 * sure about that. This is probably safe for MFC 725 * cards, but what we have now isn't broken, so I'd 726 * rather not change it. 727 */ 728 if (state->gotmfc == 1) { 729 state->gotmfc = 2; 730 state->count = 0; 731 state->pf = NULL; 732 733 pcmcia_free_pf(&state->card->pf_head); 734 } 735 break; 736 case PCMCIA_CISTPL_LONGLINK_MFC: 737 /* 738 * this tuple's structure was dealt with in scan_cis. here, 739 * record the fact that the MFC tuple was seen, so that 740 * functions declared before the MFC link can be cleaned 741 * up. 742 */ 743 if (state->gotmfc == 0) { 744 state->gotmfc = 1; 745 } else { 746 DPRINTF(("got LONGLINK_MFC again!")); 747 } 748 break; 749#ifdef PCMCIACISDEBUG 750 case PCMCIA_CISTPL_DEVICE: 751 case PCMCIA_CISTPL_DEVICE_A: 752 { 753 u_int reg, dtype, dspeed; 754 755 reg = pcmcia_tuple_read_1(tuple, 0); 756 dtype = reg & PCMCIA_DTYPE_MASK; 757 dspeed = reg & PCMCIA_DSPEED_MASK; 758 759 DPRINTF(("CISTPL_DEVICE%s type=", 760 (tuple->code == PCMCIA_CISTPL_DEVICE) ? "" : "_A")); 761 switch (dtype) { 762 case PCMCIA_DTYPE_NULL: 763 DPRINTF(("null")); 764 break; 765 case PCMCIA_DTYPE_ROM: 766 DPRINTF(("rom")); 767 break; 768 case PCMCIA_DTYPE_OTPROM: 769 DPRINTF(("otprom")); 770 break; 771 case PCMCIA_DTYPE_EPROM: 772 DPRINTF(("eprom")); 773 break; 774 case PCMCIA_DTYPE_EEPROM: 775 DPRINTF(("eeprom")); 776 break; 777 case PCMCIA_DTYPE_FLASH: 778 DPRINTF(("flash")); 779 break; 780 case PCMCIA_DTYPE_SRAM: 781 DPRINTF(("sram")); 782 break; 783 case PCMCIA_DTYPE_DRAM: 784 DPRINTF(("dram")); 785 break; 786 case PCMCIA_DTYPE_FUNCSPEC: 787 DPRINTF(("funcspec")); 788 break; 789 case PCMCIA_DTYPE_EXTEND: 790 DPRINTF(("extend")); 791 break; 792 default: 793 DPRINTF(("reserved")); 794 break; 795 } 796 DPRINTF((" speed=")); 797 switch (dspeed) { 798 case PCMCIA_DSPEED_NULL: 799 DPRINTF(("null")); 800 break; 801 case PCMCIA_DSPEED_250NS: 802 DPRINTF(("250ns")); 803 break; 804 case PCMCIA_DSPEED_200NS: 805 DPRINTF(("200ns")); 806 break; 807 case PCMCIA_DSPEED_150NS: 808 DPRINTF(("150ns")); 809 break; 810 case PCMCIA_DSPEED_100NS: 811 DPRINTF(("100ns")); 812 break; 813 case PCMCIA_DSPEED_EXT: 814 DPRINTF(("ext")); 815 break; 816 default: 817 DPRINTF(("reserved")); 818 break; 819 } 820 } 821 DPRINTF(("\n")); 822 break; 823#endif 824 case PCMCIA_CISTPL_VERS_1: 825 if (tuple->length < 6) { 826 DPRINTF(("CISTPL_VERS_1 too short %d\n", 827 tuple->length)); 828 break; 829 } { 830 int start, i, ch, count; 831 832 state->card->cis1_major = pcmcia_tuple_read_1(tuple, 0); 833 state->card->cis1_minor = pcmcia_tuple_read_1(tuple, 1); 834 835 for (count = 0, start = 0, i = 0; 836 (count < 4) && ((i + 4) < 256); i++) { 837 ch = pcmcia_tuple_read_1(tuple, 2 + i); 838 if (ch == 0xff) { 839 if (i > start) { 840 state->card->cis1_info_buf[i] = 0; 841 state->card->cis1_info[count] = 842 state->card->cis1_info_buf + start; 843 } 844 break; 845 } 846 state->card->cis1_info_buf[i] = ch; 847 if (ch == 0) { 848 state->card->cis1_info[count] = 849 state->card->cis1_info_buf + start; 850 start = i + 1; 851 count++; 852 } 853 } 854 DPRINTF(("CISTPL_VERS_1\n")); 855 } 856 break; 857 case PCMCIA_CISTPL_MANFID: 858 if (tuple->length < 4) { 859 DPRINTF(("CISTPL_MANFID too short %d\n", 860 tuple->length)); 861 break; 862 } 863 state->card->manufacturer = pcmcia_tuple_read_2(tuple, 0); 864 state->card->product = pcmcia_tuple_read_2(tuple, 2); 865 DPRINTF(("CISTPL_MANFID\n")); 866 break; 867 case PCMCIA_CISTPL_FUNCID: 868 if (tuple->length < 1) { 869 DPRINTF(("CISTPL_FUNCID too short %d\n", 870 tuple->length)); 871 break; 872 } 873 if (state->pf) { 874 if (state->pf->function == PCMCIA_FUNCTION_UNSPEC) { 875 /* 876 * This looks like a opportunistic function 877 * created by a CONFIG tuple. Just keep it. 878 */ 879 } else { 880 /* 881 * A function is being defined, end it. 882 */ 883 state->pf = NULL; 884 } 885 } 886 if (state->pf == NULL) 887 create_pf(state); 888 state->pf->function = pcmcia_tuple_read_1(tuple, 0); 889 890 DPRINTF(("CISTPL_FUNCID\n")); 891 break; 892 case PCMCIA_CISTPL_FUNCE: 893 if (state->pf == NULL || state->pf->function <= 0) { 894 DPRINTF(("CISTPL_FUNCE is not followed by " 895 "valid CISTPL_FUNCID\n")); 896 break; 897 } 898 if (tuple->length >= 2) { 899 decode_funce(tuple, state->pf); 900 } 901 break; 902 case PCMCIA_CISTPL_CONFIG: 903 if (tuple->length < 3) { 904 DPRINTF(("CISTPL_CONFIG too short %d\n", 905 tuple->length)); 906 break; 907 } { 908 u_int reg, rasz, rmsz, rfsz; 909 int i; 910 911 reg = pcmcia_tuple_read_1(tuple, 0); 912 rasz = 1 + ((reg & PCMCIA_TPCC_RASZ_MASK) >> 913 PCMCIA_TPCC_RASZ_SHIFT); 914 rmsz = 1 + ((reg & PCMCIA_TPCC_RMSZ_MASK) >> 915 PCMCIA_TPCC_RMSZ_SHIFT); 916 rfsz = ((reg & PCMCIA_TPCC_RFSZ_MASK) >> 917 PCMCIA_TPCC_RFSZ_SHIFT); 918 919 if (tuple->length < (rasz + rmsz + rfsz)) { 920 DPRINTF(("CISTPL_CONFIG (%d,%d,%d) too " 921 "short %d\n", rasz, rmsz, rfsz, 922 tuple->length)); 923 break; 924 } 925 if (state->pf == NULL) { 926 create_pf(state); 927 state->pf->function = PCMCIA_FUNCTION_UNSPEC; 928 } 929 state->pf->last_config_index = 930 pcmcia_tuple_read_1(tuple, 1); 931 932 state->pf->ccr_base = 0; 933 for (i = 0; i < rasz; i++) 934 state->pf->ccr_base |= 935 ((pcmcia_tuple_read_1(tuple, 2 + i)) << 936 (i * 8)); 937 938 state->pf->ccr_mask = 0; 939 for (i = 0; i < rmsz; i++) 940 state->pf->ccr_mask |= 941 ((pcmcia_tuple_read_1(tuple, 942 2 + rasz + i)) << (i * 8)); 943 944 /* skip the reserved area and subtuples */ 945 946 /* reset the default cfe for each cfe list */ 947 state->temp_cfe = init_cfe; 948 state->default_cfe = &state->temp_cfe; 949 } 950 DPRINTF(("CISTPL_CONFIG\n")); 951 break; 952 case PCMCIA_CISTPL_CFTABLE_ENTRY: 953 { 954 int idx, i, j; 955 u_int reg, reg2; 956 u_int intface, def, num; 957 u_int power, timing, iospace, irq, memspace, misc; 958 struct pcmcia_config_entry *cfe; 959 960 idx = 0; 961 962 reg = pcmcia_tuple_read_1(tuple, idx); 963 idx++; 964 intface = reg & PCMCIA_TPCE_INDX_INTFACE; 965 def = reg & PCMCIA_TPCE_INDX_DEFAULT; 966 num = reg & PCMCIA_TPCE_INDX_NUM_MASK; 967 968 /* 969 * this is a little messy. Some cards have only a 970 * cfentry with the default bit set. So, as we go 971 * through the list, we add new indexes to the queue, 972 * and keep a pointer to the last one with the 973 * default bit set. if we see a record with the same 974 * index, as the default, we stash the default and 975 * replace the queue entry. otherwise, we just add 976 * new entries to the queue, pointing the default ptr 977 * at them if the default bit is set. if we get to 978 * the end with the default pointer pointing at a 979 * record which hasn't had a matching index, that's 980 * ok; it just becomes a cfentry like any other. 981 */ 982 983 /* 984 * if the index in the cis differs from the default 985 * cis, create new entry in the queue and start it 986 * with the current default 987 */ 988 if (state->default_cfe == NULL) { 989 DPRINTF(("CISTPL_CFTABLE_ENTRY with no " 990 "default\n")); 991 break; 992 } 993 if (num != state->default_cfe->number) { 994 cfe = (struct pcmcia_config_entry *) 995 malloc(sizeof(*cfe), M_DEVBUF, M_NOWAIT); 996 997 *cfe = *state->default_cfe; 998 999 SIMPLEQ_INSERT_TAIL(&state->pf->cfe_head, 1000 cfe, cfe_list); 1001 1002 cfe->number = num; 1003 1004 /* 1005 * if the default bit is set in the cis, then 1006 * point the new default at whatever is being 1007 * filled in 1008 */ 1009 if (def) 1010 state->default_cfe = cfe; 1011 } else { 1012 /* 1013 * the cis index matches the default index, 1014 * fill in the default cfentry. It is 1015 * assumed that the cfdefault index is in the 1016 * queue. For it to be otherwise, the cis 1017 * index would have to be -1 (initial 1018 * condition) which is not possible, or there 1019 * would have to be a preceding cis entry 1020 * which had the same cis index and had the 1021 * default bit unset. Neither condition 1022 * should happen. If it does, this cfentry 1023 * is lost (written into temp space), which 1024 * is an acceptable failure mode. 1025 */ 1026 1027 cfe = state->default_cfe; 1028 1029 /* 1030 * if the cis entry does not have the default 1031 * bit set, copy the default out of the way 1032 * first. 1033 */ 1034 if (!def) { 1035 state->temp_cfe = *state->default_cfe; 1036 state->default_cfe = &state->temp_cfe; 1037 } 1038 } 1039 1040 if (intface) { 1041 reg = pcmcia_tuple_read_1(tuple, idx); 1042 idx++; 1043 cfe->flags &= ~(PCMCIA_CFE_MWAIT_REQUIRED 1044 | PCMCIA_CFE_RDYBSY_ACTIVE 1045 | PCMCIA_CFE_WP_ACTIVE 1046 | PCMCIA_CFE_BVD_ACTIVE); 1047 if (reg & PCMCIA_TPCE_IF_MWAIT) 1048 cfe->flags |= PCMCIA_CFE_MWAIT_REQUIRED; 1049 if (reg & PCMCIA_TPCE_IF_RDYBSY) 1050 cfe->flags |= PCMCIA_CFE_RDYBSY_ACTIVE; 1051 if (reg & PCMCIA_TPCE_IF_WP) 1052 cfe->flags |= PCMCIA_CFE_WP_ACTIVE; 1053 if (reg & PCMCIA_TPCE_IF_BVD) 1054 cfe->flags |= PCMCIA_CFE_BVD_ACTIVE; 1055 cfe->iftype = reg & PCMCIA_TPCE_IF_IFTYPE; 1056 } 1057 reg = pcmcia_tuple_read_1(tuple, idx); 1058 idx++; 1059 1060 power = reg & PCMCIA_TPCE_FS_POWER_MASK; 1061 timing = reg & PCMCIA_TPCE_FS_TIMING; 1062 iospace = reg & PCMCIA_TPCE_FS_IOSPACE; 1063 irq = reg & PCMCIA_TPCE_FS_IRQ; 1064 memspace = reg & PCMCIA_TPCE_FS_MEMSPACE_MASK; 1065 misc = reg & PCMCIA_TPCE_FS_MISC; 1066 1067 if (power) { 1068 /* skip over power, don't save */ 1069 /* for each parameter selection byte */ 1070 for (i = 0; i < power; i++) { 1071 reg = pcmcia_tuple_read_1(tuple, idx); 1072 idx++; 1073 /* for each bit */ 1074 for (j = 0; j < 7; j++) { 1075 /* if the bit is set */ 1076 if ((reg >> j) & 0x01) { 1077 /* skip over bytes */ 1078 do { 1079 reg2 = pcmcia_tuple_read_1(tuple, idx); 1080 idx++; 1081 /* 1082 * until 1083 * non- 1084 * extension 1085 * byte 1086 */ 1087 } while (reg2 & 0x80); 1088 } 1089 } 1090 } 1091 } 1092 if (timing) { 1093 /* skip over timing, don't save */ 1094 reg = pcmcia_tuple_read_1(tuple, idx); 1095 idx++; 1096 1097 if ((reg & PCMCIA_TPCE_TD_RESERVED_MASK) != 1098 PCMCIA_TPCE_TD_RESERVED_MASK) 1099 idx++; 1100 if ((reg & PCMCIA_TPCE_TD_RDYBSY_MASK) != 1101 PCMCIA_TPCE_TD_RDYBSY_MASK) 1102 idx++; 1103 if ((reg & PCMCIA_TPCE_TD_WAIT_MASK) != 1104 PCMCIA_TPCE_TD_WAIT_MASK) 1105 idx++; 1106 } 1107 if (iospace) { 1108 if (tuple->length <= idx) { 1109 DPRINTF(("ran out of space before TCPE_IO\n")); 1110 goto abort_cfe; 1111 } 1112 1113 reg = pcmcia_tuple_read_1(tuple, idx); 1114 idx++; 1115 1116 cfe->flags &= 1117 ~(PCMCIA_CFE_IO8 | PCMCIA_CFE_IO16); 1118 if (reg & PCMCIA_TPCE_IO_BUSWIDTH_8BIT) 1119 cfe->flags |= PCMCIA_CFE_IO8; 1120 if (reg & PCMCIA_TPCE_IO_BUSWIDTH_16BIT) 1121 cfe->flags |= PCMCIA_CFE_IO16; 1122 cfe->iomask = 1123 reg & PCMCIA_TPCE_IO_IOADDRLINES_MASK; 1124 1125 if (reg & PCMCIA_TPCE_IO_HASRANGE) { 1126 reg = pcmcia_tuple_read_1(tuple, idx); 1127 idx++; 1128 1129 cfe->num_iospace = 1 + (reg & 1130 PCMCIA_TPCE_IO_RANGE_COUNT); 1131 1132 if (cfe->num_iospace > 1133 (sizeof(cfe->iospace) / 1134 sizeof(cfe->iospace[0]))) { 1135 DPRINTF(("too many io " 1136 "spaces %d", 1137 cfe->num_iospace)); 1138 state->card->error++; 1139 break; 1140 } 1141 for (i = 0; i < cfe->num_iospace; i++) { 1142 switch (reg & PCMCIA_TPCE_IO_RANGE_ADDRSIZE_MASK) { 1143 case PCMCIA_TPCE_IO_RANGE_ADDRSIZE_ONE: 1144 cfe->iospace[i].start = 1145 pcmcia_tuple_read_1(tuple, idx); 1146 idx++; 1147 break; 1148 case PCMCIA_TPCE_IO_RANGE_ADDRSIZE_TWO: 1149 cfe->iospace[i].start = 1150 pcmcia_tuple_read_2(tuple, idx); 1151 idx += 2; 1152 break; 1153 case PCMCIA_TPCE_IO_RANGE_ADDRSIZE_FOUR: 1154 cfe->iospace[i].start = 1155 pcmcia_tuple_read_4(tuple, idx); 1156 idx += 4; 1157 break; 1158 } 1159 switch (reg & 1160 PCMCIA_TPCE_IO_RANGE_LENGTHSIZE_MASK) { 1161 case PCMCIA_TPCE_IO_RANGE_LENGTHSIZE_ONE: 1162 cfe->iospace[i].length = 1163 pcmcia_tuple_read_1(tuple, idx); 1164 idx++; 1165 break; 1166 case PCMCIA_TPCE_IO_RANGE_LENGTHSIZE_TWO: 1167 cfe->iospace[i].length = 1168 pcmcia_tuple_read_2(tuple, idx); 1169 idx += 2; 1170 break; 1171 case PCMCIA_TPCE_IO_RANGE_LENGTHSIZE_FOUR: 1172 cfe->iospace[i].length = 1173 pcmcia_tuple_read_4(tuple, idx); 1174 idx += 4; 1175 break; 1176 } 1177 cfe->iospace[i].length++; 1178 } 1179 } else { 1180 cfe->num_iospace = 1; 1181 cfe->iospace[0].start = 0; 1182 cfe->iospace[0].length = 1183 (1 << cfe->iomask); 1184 } 1185 } 1186 if (irq) { 1187 if (tuple->length <= idx) { 1188 DPRINTF(("ran out of space before TCPE_IR\n")); 1189 goto abort_cfe; 1190 } 1191 1192 reg = pcmcia_tuple_read_1(tuple, idx); 1193 idx++; 1194 1195 cfe->flags &= ~(PCMCIA_CFE_IRQSHARE 1196 | PCMCIA_CFE_IRQPULSE 1197 | PCMCIA_CFE_IRQLEVEL); 1198 if (reg & PCMCIA_TPCE_IR_SHARE) 1199 cfe->flags |= PCMCIA_CFE_IRQSHARE; 1200 if (reg & PCMCIA_TPCE_IR_PULSE) 1201 cfe->flags |= PCMCIA_CFE_IRQPULSE; 1202 if (reg & PCMCIA_TPCE_IR_LEVEL) 1203 cfe->flags |= PCMCIA_CFE_IRQLEVEL; 1204 1205 if (reg & PCMCIA_TPCE_IR_HASMASK) { 1206 /* 1207 * it's legal to ignore the 1208 * special-interrupt bits, so I will 1209 */ 1210 1211 cfe->irqmask = 1212 pcmcia_tuple_read_2(tuple, idx); 1213 idx += 2; 1214 } else { 1215 cfe->irqmask = 1216 (1 << (reg & PCMCIA_TPCE_IR_IRQ)); 1217 } 1218 } 1219 if (memspace) { 1220 if (tuple->length <= idx) { 1221 DPRINTF(("ran out of space before TCPE_MS\n")); 1222 goto abort_cfe; 1223 } 1224 1225 if (memspace == PCMCIA_TPCE_FS_MEMSPACE_NONE) { 1226 cfe->num_memspace = 0; 1227 } else if (memspace == PCMCIA_TPCE_FS_MEMSPACE_LENGTH) { 1228 cfe->num_memspace = 1; 1229 cfe->memspace[0].length = 256 * 1230 pcmcia_tuple_read_2(tuple, idx); 1231 idx += 2; 1232 cfe->memspace[0].cardaddr = 0; 1233 cfe->memspace[0].hostaddr = 0; 1234 } else if (memspace == 1235 PCMCIA_TPCE_FS_MEMSPACE_LENGTHADDR) { 1236 cfe->num_memspace = 1; 1237 cfe->memspace[0].length = 256 * 1238 pcmcia_tuple_read_2(tuple, idx); 1239 idx += 2; 1240 cfe->memspace[0].cardaddr = 256 * 1241 pcmcia_tuple_read_2(tuple, idx); 1242 idx += 2; 1243 cfe->memspace[0].hostaddr = cfe->memspace[0].cardaddr; 1244 } else { 1245 int lengthsize; 1246 int cardaddrsize; 1247 int hostaddrsize; 1248 1249 reg = pcmcia_tuple_read_1(tuple, idx); 1250 idx++; 1251 1252 cfe->num_memspace = (reg & 1253 PCMCIA_TPCE_MS_COUNT) + 1; 1254 1255 if (cfe->num_memspace > 1256 (sizeof(cfe->memspace) / 1257 sizeof(cfe->memspace[0]))) { 1258 DPRINTF(("too many mem " 1259 "spaces %d", 1260 cfe->num_memspace)); 1261 state->card->error++; 1262 break; 1263 } 1264 lengthsize = 1265 ((reg & PCMCIA_TPCE_MS_LENGTH_SIZE_MASK) >> 1266 PCMCIA_TPCE_MS_LENGTH_SIZE_SHIFT); 1267 cardaddrsize = 1268 ((reg & PCMCIA_TPCE_MS_CARDADDR_SIZE_MASK) >> 1269 PCMCIA_TPCE_MS_CARDADDR_SIZE_SHIFT); 1270 hostaddrsize = 1271 (reg & PCMCIA_TPCE_MS_HOSTADDR) ? cardaddrsize : 0; 1272 1273 if (lengthsize == 0) { 1274 DPRINTF(("cfe memspace " 1275 "lengthsize == 0")); 1276 state->card->error++; 1277 } 1278 for (i = 0; i < cfe->num_memspace; i++) { 1279 if (lengthsize) { 1280 cfe->memspace[i].length = 1281 256 * pcmcia_tuple_read_n(tuple, lengthsize, 1282 idx); 1283 idx += lengthsize; 1284 } else { 1285 cfe->memspace[i].length = 0; 1286 } 1287 if (cfe->memspace[i].length == 0) { 1288 DPRINTF(("cfe->memspace[%d].length == 0", 1289 i)); 1290 state->card->error++; 1291 } 1292 if (cardaddrsize) { 1293 cfe->memspace[i].cardaddr = 1294 256 * pcmcia_tuple_read_n(tuple, cardaddrsize, 1295 idx); 1296 idx += cardaddrsize; 1297 } else { 1298 cfe->memspace[i].cardaddr = 0; 1299 } 1300 if (hostaddrsize) { 1301 cfe->memspace[i].hostaddr = 1302 256 * pcmcia_tuple_read_n(tuple, hostaddrsize, 1303 idx); 1304 idx += hostaddrsize; 1305 } else { 1306 cfe->memspace[i].hostaddr = 0; 1307 } 1308 } 1309 } 1310 } 1311 if (misc) { 1312 if (tuple->length <= idx) { 1313 DPRINTF(("ran out of space before TCPE_MI\n")); 1314 goto abort_cfe; 1315 } 1316 1317 reg = pcmcia_tuple_read_1(tuple, idx); 1318 idx++; 1319 1320 cfe->flags &= ~(PCMCIA_CFE_POWERDOWN 1321 | PCMCIA_CFE_READONLY 1322 | PCMCIA_CFE_AUDIO); 1323 if (reg & PCMCIA_TPCE_MI_PWRDOWN) 1324 cfe->flags |= PCMCIA_CFE_POWERDOWN; 1325 if (reg & PCMCIA_TPCE_MI_READONLY) 1326 cfe->flags |= PCMCIA_CFE_READONLY; 1327 if (reg & PCMCIA_TPCE_MI_AUDIO) 1328 cfe->flags |= PCMCIA_CFE_AUDIO; 1329 cfe->maxtwins = reg & PCMCIA_TPCE_MI_MAXTWINS; 1330 1331 while (reg & PCMCIA_TPCE_MI_EXT) { 1332 reg = pcmcia_tuple_read_1(tuple, idx); 1333 idx++; 1334 } 1335 } 1336 /* skip all the subtuples */ 1337 } 1338 1339 abort_cfe: 1340 DPRINTF(("CISTPL_CFTABLE_ENTRY\n")); 1341 break; 1342 default: 1343 DPRINTF(("unhandled CISTPL %x\n", tuple->code)); 1344 break; 1345 } 1346 1347 return (0); 1348} 1349 1350 1351 1352static int 1353decode_funce(tuple, pf) 1354 struct pcmcia_tuple *tuple; 1355 struct pcmcia_function *pf; 1356{ 1357 int type = pcmcia_tuple_read_1(tuple, 0); 1358 1359 switch (pf->function) { 1360 case PCMCIA_FUNCTION_DISK: 1361 if (type == PCMCIA_TPLFE_TYPE_DISK_DEVICE_INTERFACE) { 1362 pf->pf_funce_disk_interface 1363 = pcmcia_tuple_read_1(tuple, 1); 1364 } 1365 break; 1366 case PCMCIA_FUNCTION_NETWORK: 1367 if (type == PCMCIA_TPLFE_TYPE_LAN_NID) { 1368 int i; 1369 int len = pcmcia_tuple_read_1(tuple, 1); 1370 if (tuple->length < 2 + len || len > 8) { 1371 /* tuple length not enough or nid too long */ 1372 break; 1373 } 1374 for (i = 0; i < len; ++i) { 1375 pf->pf_funce_lan_nid[i] 1376 = pcmcia_tuple_read_1(tuple, 2 + i); 1377 } 1378 pf->pf_funce_lan_nidlen = len; 1379 } 1380 break; 1381 default: 1382 break; 1383 } 1384 1385 return 0; 1386} 1387