cardbus.c revision 1.7
1 /* $NetBSD: cardbus.c,v 1.7 1999/10/29 11:30:27 joda Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998 and 1999 5 * HAYAKAWA Koichi. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by HAYAKAWA Koichi. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include "opt_cardbus.h" 36 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/device.h> 41 #include <sys/malloc.h> 42 #include <sys/kernel.h> 43 #include <sys/syslog.h> 44 45 #include <machine/bus.h> 46 47 #include <dev/cardbus/cardbusvar.h> 48 #include <dev/cardbus/pccardcis.h> 49 50 #include <dev/cardbus/cardbus_exrom.h> 51 52 #include <dev/pci/pcivar.h> /* XXX */ 53 #include <dev/pci/pcireg.h> /* XXX */ 54 55 #if defined CARDBUS_DEBUG 56 #define STATIC 57 #define DPRINTF(a) printf a 58 #define DDELAY(x) delay((x)*1000*1000) 59 #else 60 #define STATIC static 61 #define DPRINTF(a) 62 #endif 63 64 65 66 STATIC void cardbusattach __P((struct device *, struct device *, void *)); 67 /* STATIC int cardbusprint __P((void *, const char *)); */ 68 int cardbus_attach_card __P((struct cardbus_softc *)); 69 70 #if !defined __BROKEN_INDIRECT_CONFIG 71 STATIC int cardbusmatch __P((struct device *, struct cfdata *, void *)); 72 static int cardbussubmatch __P((struct device *, struct cfdata *, void *)); 73 #else 74 STATIC int cardbusmatch __P((struct device *, void *, void *)); 75 static int cardbussubmatch __P((struct device *, void *, void *)); 76 #endif 77 static int cardbusprint __P((void *, const char *)); 78 79 static int decode_tuples __P((u_int8_t *, int)); 80 81 static int cardbus_read_tuples __P((struct cardbus_attach_args *, 82 cardbusreg_t, u_int8_t *, size_t)); 83 84 85 struct cfattach cardbus_ca = { 86 sizeof(struct cardbus_softc), cardbusmatch, cardbusattach 87 }; 88 89 #ifndef __NetBSD_Version__ 90 struct cfdriver cardbus_cd = { 91 NULL, "cardbus", DV_DULL 92 }; 93 #endif 94 95 96 STATIC int 97 #if defined __BROKEN_INDIRECT_CONFIG 98 cardbusmatch(parent, match, aux) 99 struct device *parent; 100 void *match; 101 void *aux; 102 #else 103 cardbusmatch(parent, cf, aux) 104 struct device *parent; 105 struct cfdata *cf; 106 void *aux; 107 #endif 108 { 109 #if defined __BROKEN_INDIRECT_CONFIG 110 struct cfdata *cf = match; 111 #endif 112 struct cbslot_attach_args *cba = aux; 113 114 if (strcmp(cba->cba_busname, cf->cf_driver->cd_name)) { 115 DPRINTF(("cardbusmatch: busname differs %s <=> %s\n", 116 cba->cba_busname, cf->cf_driver->cd_name)); 117 return 0; 118 } 119 120 #if 0 121 /* which function? */ 122 if (cf->cbslotcf_func != CBSLOT_UNK_FUNC && 123 cf->cbslotcf_func != cba->cba_function) { 124 DPRINTF(("cardbusmatch: function differs %d <=> %d\n", 125 cf->cbslotcf_func, cba->cba_function)); 126 return 0; 127 } 128 #endif 129 130 if (cba->cba_function < 0 || cba->cba_function > 255) { 131 return 0; 132 } 133 134 return 1; 135 } 136 137 138 139 STATIC void 140 cardbusattach(parent, self, aux) 141 struct device *parent; 142 struct device *self; 143 void *aux; 144 { 145 struct cardbus_softc *sc = (void *)self; 146 struct cbslot_attach_args *cba = aux; 147 int cdstatus; 148 149 sc->sc_bus = cba->cba_bus; 150 sc->sc_device = cba->cba_function; 151 sc->sc_intrline = cba->cba_intrline; 152 sc->sc_cacheline = cba->cba_cacheline; 153 sc->sc_lattimer = cba->cba_lattimer; 154 155 printf(": bus %d device %d", sc->sc_bus, sc->sc_device); 156 printf(" cacheline 0x%x, lattimer 0x%x\n", sc->sc_cacheline,sc->sc_lattimer); 157 158 sc->sc_iot = cba->cba_iot; /* CardBus I/O space tag */ 159 sc->sc_memt = cba->cba_memt; /* CardBus MEM space tag */ 160 sc->sc_dmat = cba->cba_dmat; /* DMA tag */ 161 sc->sc_cc = cba->cba_cc; 162 sc->sc_cf = cba->cba_cf; 163 164 #if rbus 165 sc->sc_rbus_iot = cba->cba_rbus_iot; 166 sc->sc_rbus_memt = cba->cba_rbus_memt; 167 #endif 168 169 sc->sc_funcs = NULL; 170 171 cdstatus = 0; 172 } 173 174 static int 175 cardbus_read_tuples(ca, cis_ptr, tuples, len) 176 struct cardbus_attach_args *ca; 177 cardbusreg_t cis_ptr; 178 u_int8_t *tuples; 179 size_t len; 180 { 181 #ifdef CARDBUS_DEBUG 182 static const char __func__[] = "cardbus_read_tuples"; 183 #endif 184 cardbus_chipset_tag_t cc = ca->ca_ct->ct_cc; 185 cardbus_function_tag_t cf = ca->ca_ct->ct_cf; 186 cardbustag_t tag = ca->ca_tag; 187 cardbusreg_t command; 188 int found = 0; 189 190 int i, j; 191 int cardbus_space = cis_ptr & CARDBUS_CIS_ASIMASK; 192 bus_space_handle_t bar_memh; 193 bus_size_t bar_size; 194 bus_addr_t bar_addr; 195 196 int reg; 197 198 memset(tuples, 0, len); 199 200 cis_ptr = cis_ptr & CARDBUS_CIS_ADDRMASK; 201 202 switch(cardbus_space) { 203 case CARDBUS_CIS_ASI_TUPLE: 204 DPRINTF(("%s: reading CIS data from configuration space\n", __func__)); 205 for (i = cis_ptr, j = 0; i < 0xff; i += 4) { 206 u_int32_t e = (cf->cardbus_conf_read)(cc, tag, i); 207 tuples[j] = 0xff & e; 208 e >>= 8; 209 tuples[j + 1] = 0xff & e; 210 e >>= 8; 211 tuples[j + 2] = 0xff & e; 212 e >>= 8; 213 tuples[j + 3] = 0xff & e; 214 j += 4; 215 } 216 found++; 217 break; 218 219 case CARDBUS_CIS_ASI_BAR0: 220 case CARDBUS_CIS_ASI_BAR1: 221 case CARDBUS_CIS_ASI_BAR2: 222 case CARDBUS_CIS_ASI_BAR3: 223 case CARDBUS_CIS_ASI_BAR4: 224 case CARDBUS_CIS_ASI_BAR5: 225 case CARDBUS_CIS_ASI_ROM: 226 if(cardbus_space == CARDBUS_CIS_ASI_ROM) { 227 reg = CARDBUS_ROM_REG; 228 DPRINTF(("%s: reading CIS data from ROM\n", __func__)); 229 } else { 230 reg = CARDBUS_BASE0_REG + (cardbus_space - 1) * 4; 231 DPRINTF(("%s: reading CIS data from BAR%d\n", 232 __func__, cardbus_space - 1)); 233 } 234 235 /* XXX zero register so mapreg_map doesn't get confused by old 236 contents */ 237 cardbus_conf_write(cc, cf, tag, reg, 0); 238 if(Cardbus_mapreg_map(ca->ca_ct, reg, 239 CARDBUS_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 240 0, 241 NULL, &bar_memh, &bar_addr, &bar_size)) { 242 printf("%s: failed to map memory\n", __func__); 243 return 1; 244 } 245 246 247 if(cardbus_space == CARDBUS_CIS_ASI_ROM) { 248 cardbusreg_t exrom; 249 int save; 250 struct cardbus_rom_image_head rom_image; 251 struct cardbus_rom_image *p; 252 253 save = splhigh(); 254 /* enable rom address decoder */ 255 exrom = cardbus_conf_read(cc, cf, tag, reg); 256 cardbus_conf_write(cc, cf, tag, reg, exrom | 1); 257 258 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 259 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 260 command | CARDBUS_COMMAND_MEM_ENABLE); 261 262 printf("reg = %x\n", reg); 263 printf("bar_addr = %lx, exrom = %x\n", bar_addr, exrom); 264 printf("exrom = %x\n", cardbus_conf_read(cc, cf, tag, reg)); 265 266 if(cardbus_read_exrom(ca->ca_memt, bar_memh, &rom_image)) 267 goto out; 268 269 for(p = SIMPLEQ_FIRST(&rom_image); 270 p; 271 p = SIMPLEQ_NEXT(p, next)) { 272 if(p->rom_image == CARDBUS_CIS_ASI_ROM_IMAGE(cis_ptr)) { 273 bus_space_read_region_1(p->romt, p->romh, 274 CARDBUS_CIS_ADDR(cis_ptr), 275 tuples, 256); 276 found++; 277 } 278 break; 279 } 280 while((p = SIMPLEQ_FIRST(&rom_image)) != NULL) { 281 SIMPLEQ_REMOVE_HEAD(&rom_image, p, next); 282 free(p, M_DEVBUF); 283 } 284 out: 285 exrom = cardbus_conf_read(cc, cf, tag, reg); 286 cardbus_conf_write(cc, cf, tag, reg, exrom & ~1); 287 splx(save); 288 } else { 289 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 290 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 291 command | CARDBUS_COMMAND_MEM_ENABLE); 292 /* XXX byte order? */ 293 bus_space_read_region_1(ca->ca_memt, bar_memh, 294 cis_ptr, tuples, 256); 295 found++; 296 } 297 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 298 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 299 command & ~CARDBUS_COMMAND_MEM_ENABLE); 300 cardbus_conf_write(cc, cf, tag, reg, 0); 301 #if 0 302 /* XXX unmap memory */ 303 (*ca->ca_ct->ct_cf->cardbus_space_free)(ca->ca_ct, 304 ca->ca_ct->ct_sc->sc_rbus_memt, 305 bar_memh, bar_size); 306 #endif 307 break; 308 309 #ifdef DIAGNOSTIC 310 default: 311 panic("%s: bad CIS space (%d)", __func__, cardbus_space); 312 #endif 313 } 314 return !found; 315 } 316 317 /* 318 * int cardbus_attach_card(struct cardbus_softc *sc) 319 * 320 * This function attaches the card on the slot: turns on power, 321 * reads and analyses tuple, sets consifuration index. 322 * 323 * This function returns the number of recognised device functions. 324 * If no functions are recognised, return 0. 325 */ 326 int 327 cardbus_attach_card(sc) 328 struct cardbus_softc *sc; 329 { 330 cardbus_chipset_tag_t cc; 331 cardbus_function_tag_t cf; 332 int cdstatus; 333 cardbustag_t tag; 334 cardbusreg_t id, class, cis_ptr; 335 cardbusreg_t bhlc; 336 u_int8_t tuple[2048]; 337 int function, nfunction; 338 struct cardbus_devfunc **previous_next = &(sc->sc_funcs); 339 struct device *csc; 340 int no_work_funcs = 0; 341 cardbus_devfunc_t ct; 342 343 cc = sc->sc_cc; 344 cf = sc->sc_cf; 345 346 DPRINTF(("cardbus_attach_card: cb%d start\n", sc->sc_dev.dv_unit)); 347 348 /* inspect initial voltage */ 349 if (0 == (cdstatus = (cf->cardbus_ctrl)(cc, CARDBUS_CD))) { 350 DPRINTF(("cardbusattach: no CardBus card on cb%d\n", sc->sc_dev.dv_unit)); 351 return 0; 352 } 353 354 if (cdstatus & CARDBUS_3V_CARD) { 355 cf->cardbus_power(cc, CARDBUS_VCC_3V); 356 sc->sc_poweron_func = 1; /* function 0 on */ 357 } 358 359 (cf->cardbus_ctrl)(cc, CARDBUS_RESET); 360 361 function = 0; 362 363 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 364 365 /* 366 * Wait until power comes up. Maxmum 500 ms. 367 */ 368 { 369 int i; 370 for (i = 0; i < 5; ++i) { 371 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 372 if (id != 0xffffffff && id != 0) { 373 break; 374 } 375 delay(100*1000); /* or tsleep */ 376 } 377 if (i == 5) { 378 return 0; 379 } 380 } 381 382 bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG); 383 if (CARDBUS_LATTIMER(bhlc) < 0x10) { 384 bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT); 385 bhlc |= (0x10 << CARDBUS_LATTIMER_SHIFT); 386 cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG, bhlc); 387 } 388 389 nfunction = CARDBUS_HDRTYPE_MULTIFN(bhlc) ? 8 : 1; 390 391 /* 392 * XXX multi-function card 393 * 394 * I don't know how to process CIS information for 395 * multi-function cards. 396 */ 397 398 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 399 class = cardbus_conf_read(cc, cf, tag, CARDBUS_CLASS_REG); 400 cis_ptr = cardbus_conf_read(cc, cf, tag, CARDBUS_CIS_REG); 401 402 DPRINTF(("cardbus_attach_card: Vendor 0x%x, Product 0x%x, CIS 0x%x\n", 403 CARDBUS_VENDOR(id), CARDBUS_PRODUCT(id), cis_ptr)); 404 405 { 406 struct cardbus_attach_args ca; 407 408 /* we need to allocate the ct here, since we might 409 need it when reading the CIS */ 410 if (NULL == (ct = (cardbus_devfunc_t)malloc(sizeof(struct cardbus_devfunc), 411 M_DEVBUF, M_NOWAIT))) { 412 panic("no room for cardbus_tag"); 413 } 414 415 ct->ct_cc = sc->sc_cc; 416 ct->ct_cf = sc->sc_cf; 417 ct->ct_bus = sc->sc_bus; 418 ct->ct_dev = sc->sc_device; 419 ct->ct_func = function; 420 ct->ct_sc = sc; 421 ct->ct_next = NULL; 422 *previous_next = ct; 423 424 ca.ca_unit = sc->sc_dev.dv_unit; 425 ca.ca_ct = ct; 426 427 ca.ca_iot = sc->sc_iot; 428 ca.ca_memt = sc->sc_memt; 429 ca.ca_dmat = sc->sc_dmat; 430 431 ca.ca_tag = tag; 432 ca.ca_device = sc->sc_device; 433 ca.ca_function = function; 434 ca.ca_id = id; 435 ca.ca_class = class; 436 437 ca.ca_intrline = sc->sc_intrline; 438 439 bzero(tuple, 2048); 440 441 if(cardbus_read_tuples(&ca, cis_ptr, tuple, sizeof(tuple))) { 442 printf("cardbus_attach_card: failed to read CIS\n"); 443 free(ct, M_DEVBUF); 444 return 0; 445 } 446 447 decode_tuples(tuple, 2048); 448 449 450 if (NULL == (csc = config_found_sm((void *)sc, &ca, cardbusprint, cardbussubmatch))) { 451 /* do not match */ 452 cf->cardbus_power(cc, CARDBUS_VCC_0V); 453 sc->sc_poweron_func = 0; /* no functions on */ 454 free(cc, M_DEVBUF); 455 free(ct, M_DEVBUF); 456 *previous_next = NULL; 457 } else { 458 /* found */ 459 previous_next = &(ct->ct_next); 460 ct->ct_device = csc; 461 ++no_work_funcs; 462 } 463 } 464 465 return no_work_funcs; 466 } 467 468 469 static int 470 #ifdef __BROKEN_INDIRECT_CONFIG 471 cardbussubmatch(parent, match, aux) 472 #else 473 cardbussubmatch(parent, cf, aux) 474 #endif 475 struct device *parent; 476 #ifdef __BROKEN_INDIRECT_CONFIG 477 void *match; 478 #else 479 struct cfdata *cf; 480 #endif 481 void *aux; 482 { 483 #ifdef __BROKEN_INDIRECT_CONFIG 484 struct cfdata *cf = match; 485 #endif 486 struct cardbus_attach_args *ca = aux; 487 488 if (cf->cardbuscf_dev != CARDBUS_UNK_DEV && 489 cf->cardbuscf_dev != ca->ca_unit) { 490 return 0; 491 } 492 if (cf->cardbuscf_function != CARDBUS_UNK_FUNCTION && 493 cf->cardbuscf_function != ca->ca_function) { 494 return 0; 495 } 496 497 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 498 } 499 500 501 502 static int 503 cardbusprint(aux, pnp) 504 void *aux; 505 const char *pnp; 506 { 507 register struct cardbus_attach_args *ca = aux; 508 char devinfo[256]; 509 510 if (pnp) { 511 pci_devinfo(ca->ca_id, ca->ca_class, 1, devinfo); 512 printf("%s at %s", devinfo, pnp); 513 } 514 printf(" dev %d function %d", ca->ca_device, ca->ca_function); 515 516 return UNCONF; 517 } 518 519 520 521 522 523 524 /* 525 * void *cardbus_intr_establish(cc, cf, irq, level, func, arg) 526 * Interrupt handler of pccard. 527 * args: 528 * cardbus_chipset_tag_t *cc 529 * int irq: 530 */ 531 void * 532 cardbus_intr_establish(cc, cf, irq, level, func, arg) 533 cardbus_chipset_tag_t cc; 534 cardbus_function_tag_t cf; 535 cardbus_intr_handle_t irq; 536 int level; 537 int (*func) __P((void *)); 538 void *arg; 539 { 540 DPRINTF(("- cardbus_intr_establish: irq %d\n", irq)); 541 542 return (*cf->cardbus_intr_establish)(cc, irq, level, func, arg); 543 } 544 545 546 547 /* 548 * void cardbus_intr_disestablish(cc, cf, handler) 549 * Interrupt handler of pccard. 550 * args: 551 * cardbus_chipset_tag_t *cc 552 */ 553 void 554 cardbus_intr_disestablish(cc, cf, handler) 555 cardbus_chipset_tag_t cc; 556 cardbus_function_tag_t cf; 557 void *handler; 558 { 559 DPRINTF(("- pccard_intr_disestablish\n")); 560 561 (*cf->cardbus_intr_disestablish)(cc, handler); 562 return; 563 } 564 565 566 567 /* 568 * int cardbus_function_enable(cardbus_devfunc_t ct) 569 * 570 * This function enables a function on a card. When no power is 571 * applied on the card, power will be applied on it. 572 */ 573 int 574 cardbus_function_enable(ct) 575 cardbus_devfunc_t ct; 576 { 577 struct cardbus_softc *sc = ct->ct_sc; 578 int func = ct->ct_func; 579 cardbus_chipset_tag_t cc = sc->sc_cc; 580 cardbus_function_tag_t cf = sc->sc_cf; 581 cardbusreg_t command; 582 cardbustag_t tag; 583 584 DPRINTF(("entering cardbus_function_enable... ")); 585 586 /* entering critical area */ 587 588 if (sc->sc_poweron_func == 0) { 589 /* no functions are enabled */ 590 (*cf->cardbus_power)(cc, CARDBUS_VCC_3V); /* XXX: sc_vold should be used */ 591 (*cf->cardbus_ctrl)(cc, CARDBUS_RESET); 592 } 593 594 sc->sc_poweron_func |= (1 << func); 595 596 /* exiting critical area */ 597 598 tag = Cardbus_make_tag(ct); 599 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 600 command |= (CARDBUS_COMMAND_MEM_ENABLE | CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE); /* XXX: good guess needed */ 601 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, command); 602 Cardbus_free_tag(ct, tag); 603 604 605 DPRINTF(("%x\n", sc->sc_poweron_func)); 606 607 return 0; 608 } 609 610 611 /* 612 * int cardbus_function_disable(cardbus_devfunc_t ct) 613 * 614 * This function disable a function on a card. When no functions are 615 * enabled, it turns off the power. 616 */ 617 int 618 cardbus_function_disable(ct) 619 cardbus_devfunc_t ct; 620 { 621 struct cardbus_softc *sc = ct->ct_sc; 622 int func = ct->ct_func; 623 cardbus_chipset_tag_t cc = sc->sc_cc; 624 cardbus_function_tag_t cf = sc->sc_cf; 625 626 DPRINTF(("entering cardbus_enable_disable... ")); 627 628 sc->sc_poweron_func &= ~(1 << func); 629 630 DPRINTF(("%x\n", sc->sc_poweron_func)); 631 632 if (sc->sc_poweron_func == 0) { 633 /* power-off because no functions are enabled */ 634 (*cf->cardbus_power)(cc, CARDBUS_VCC_0V); 635 } 636 637 return 0; 638 } 639 640 641 642 643 644 645 646 /* 647 * below this line, there are some functions for decoding tuples. 648 * They should go out from this file. 649 */ 650 651 static u_int8_t *decode_tuple __P((u_int8_t *)); 652 #ifdef CARDBUS_DEBUG 653 static char *tuple_name __P((int)); 654 #endif 655 656 static int 657 decode_tuples(tuple, buflen) 658 u_int8_t *tuple; 659 int buflen; 660 { 661 u_int8_t *tp = tuple; 662 663 if (CISTPL_LINKTARGET != *tuple) { 664 DPRINTF(("WRONG TUPLE: 0x%x\n", *tuple)); 665 return 0; 666 } 667 668 while (NULL != (tp = decode_tuple(tp))) { 669 if (tuple + buflen < tp) { 670 break; 671 } 672 } 673 674 return 1; 675 } 676 677 678 static u_int8_t * 679 decode_tuple(tuple) 680 u_int8_t *tuple; 681 { 682 u_int8_t type; 683 u_int8_t len; 684 #ifdef CARDBUS_DEBUG 685 int i; 686 #endif 687 688 type = tuple[0]; 689 len = tuple[1] + 2; 690 691 #ifdef CARDBUS_DEBUG 692 printf("tuple: %s len %d\n", tuple_name(type), len); 693 #endif 694 if (CISTPL_END == type) { 695 return NULL; 696 } 697 698 #ifdef CARDBUS_DEBUG 699 for (i = 0; i < len; ++i) { 700 if (i % 16 == 0) { 701 printf(" 0x%2x:", i); 702 } 703 printf(" %x",tuple[i]); 704 if (i % 16 == 15) { 705 printf("\n"); 706 } 707 } 708 if (i % 16 != 0) { 709 printf("\n"); 710 } 711 #endif 712 713 return tuple + len; 714 } 715 716 717 #ifdef CARDBUS_DEBUG 718 static char * 719 tuple_name(type) 720 int type; 721 { 722 static char *tuple_name_s [] = { 723 "TPL_NULL", "TPL_DEVICE", "Reserved", "Reserved", /* 0-3 */ 724 "CONFIG_CB", "CFTABLE_ENTRY_CB", "Reserved", "BAR", /* 4-7 */ 725 "Reserved", "Reserved", "Reserved", "Reserved", /* 8-B */ 726 "Reserved", "Reserved", "Reserved", "Reserved", /* C-F */ 727 "CHECKSUM", "LONGLINK_A", "LONGLINK_C", "LINKTARGET", /* 10-13 */ 728 "NO_LINK", "VERS_1", "ALTSTR", "DEVICE_A", 729 "JEDEC_C", "JEDEC_A", "CONFIG", "CFTABLE_ENTRY", 730 "DEVICE_OC", "DEVICE_OA", "DEVICE_GEO", "DEVICE_GEO_A", 731 "MANFID", "FUNCID", "FUNCE", "SWIL", /* 20-23 */ 732 "Reserved", "Reserved", "Reserved", "Reserved", /* 24-27 */ 733 "Reserved", "Reserved", "Reserved", "Reserved", /* 28-2B */ 734 "Reserved", "Reserved", "Reserved", "Reserved", /* 2C-2F */ 735 "Reserved", "Reserved", "Reserved", "Reserved", /* 30-33 */ 736 "Reserved", "Reserved", "Reserved", "Reserved", /* 34-37 */ 737 "Reserved", "Reserved", "Reserved", "Reserved", /* 38-3B */ 738 "Reserved", "Reserved", "Reserved", "Reserved", /* 3C-3F */ 739 "VERS_2", "FORMAT", "GEOMETRY", "BYTEORDER", 740 "DATE", "BATTERY", "ORG" 741 }; 742 #define NAME_LEN(x) (sizeof x / sizeof(x[0])) 743 744 if (type > 0 && type < NAME_LEN(tuple_name_s)) { 745 return tuple_name_s[type]; 746 } else if (0xff == type) { 747 return "END"; 748 } else { 749 return "Reserved"; 750 } 751 } 752 #endif 753
Indexes created Sun Sep 28 07:09:56 GMT 2025