cardbus.c revision 1.9
1 /* $NetBSD: cardbus.c,v 1.9 1999/11/01 09:59:23 haya 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 static void enable_function __P((struct cardbus_softc *, int, int)); 85 static void disable_function __P((struct cardbus_softc *, int)); 86 87 88 struct cfattach cardbus_ca = { 89 sizeof(struct cardbus_softc), cardbusmatch, cardbusattach 90 }; 91 92 #ifndef __NetBSD_Version__ 93 struct cfdriver cardbus_cd = { 94 NULL, "cardbus", DV_DULL 95 }; 96 #endif 97 98 99 STATIC int 100 #if defined __BROKEN_INDIRECT_CONFIG 101 cardbusmatch(parent, match, aux) 102 struct device *parent; 103 void *match; 104 void *aux; 105 #else 106 cardbusmatch(parent, cf, aux) 107 struct device *parent; 108 struct cfdata *cf; 109 void *aux; 110 #endif 111 { 112 #if defined __BROKEN_INDIRECT_CONFIG 113 struct cfdata *cf = match; 114 #endif 115 struct cbslot_attach_args *cba = aux; 116 117 if (strcmp(cba->cba_busname, cf->cf_driver->cd_name)) { 118 DPRINTF(("cardbusmatch: busname differs %s <=> %s\n", 119 cba->cba_busname, cf->cf_driver->cd_name)); 120 return 0; 121 } 122 123 #if 0 124 /* which function? */ 125 if (cf->cbslotcf_func != CBSLOT_UNK_FUNC && 126 cf->cbslotcf_func != cba->cba_function) { 127 DPRINTF(("cardbusmatch: function differs %d <=> %d\n", 128 cf->cbslotcf_func, cba->cba_function)); 129 return 0; 130 } 131 #endif 132 133 if (cba->cba_function < 0 || cba->cba_function > 255) { 134 return 0; 135 } 136 137 return 1; 138 } 139 140 141 142 STATIC void 143 cardbusattach(parent, self, aux) 144 struct device *parent; 145 struct device *self; 146 void *aux; 147 { 148 struct cardbus_softc *sc = (void *)self; 149 struct cbslot_attach_args *cba = aux; 150 int cdstatus; 151 152 sc->sc_bus = cba->cba_bus; 153 sc->sc_device = cba->cba_function; 154 sc->sc_intrline = cba->cba_intrline; 155 sc->sc_cacheline = cba->cba_cacheline; 156 sc->sc_lattimer = cba->cba_lattimer; 157 158 printf(": bus %d device %d", sc->sc_bus, sc->sc_device); 159 printf(" cacheline 0x%x, lattimer 0x%x\n", sc->sc_cacheline,sc->sc_lattimer); 160 161 sc->sc_iot = cba->cba_iot; /* CardBus I/O space tag */ 162 sc->sc_memt = cba->cba_memt; /* CardBus MEM space tag */ 163 sc->sc_dmat = cba->cba_dmat; /* DMA tag */ 164 sc->sc_cc = cba->cba_cc; 165 sc->sc_cf = cba->cba_cf; 166 167 #if rbus 168 sc->sc_rbus_iot = cba->cba_rbus_iot; 169 sc->sc_rbus_memt = cba->cba_rbus_memt; 170 #endif 171 172 sc->sc_funcs = NULL; 173 174 cdstatus = 0; 175 } 176 177 static int 178 cardbus_read_tuples(ca, cis_ptr, tuples, len) 179 struct cardbus_attach_args *ca; 180 cardbusreg_t cis_ptr; 181 u_int8_t *tuples; 182 size_t len; 183 { 184 struct cardbus_softc *sc = ca->ca_ct->ct_sc; 185 cardbus_chipset_tag_t cc = ca->ca_ct->ct_cc; 186 cardbus_function_tag_t cf = ca->ca_ct->ct_cf; 187 cardbustag_t tag = ca->ca_tag; 188 cardbusreg_t command; 189 int found = 0; 190 191 int i, j; 192 int cardbus_space = cis_ptr & CARDBUS_CIS_ASIMASK; 193 bus_space_handle_t bar_memh; 194 bus_size_t bar_size; 195 bus_addr_t bar_addr; 196 197 int reg; 198 199 memset(tuples, 0, len); 200 201 cis_ptr = cis_ptr & CARDBUS_CIS_ADDRMASK; 202 203 switch(cardbus_space) { 204 case CARDBUS_CIS_ASI_TUPLE: 205 DPRINTF(("%s: reading CIS data from configuration space\n", 206 sc->sc_dev.dv_xname)); 207 for (i = cis_ptr, j = 0; i < 0xff; i += 4) { 208 u_int32_t e = (cf->cardbus_conf_read)(cc, tag, i); 209 tuples[j] = 0xff & e; 210 e >>= 8; 211 tuples[j + 1] = 0xff & e; 212 e >>= 8; 213 tuples[j + 2] = 0xff & e; 214 e >>= 8; 215 tuples[j + 3] = 0xff & e; 216 j += 4; 217 } 218 found++; 219 break; 220 221 case CARDBUS_CIS_ASI_BAR0: 222 case CARDBUS_CIS_ASI_BAR1: 223 case CARDBUS_CIS_ASI_BAR2: 224 case CARDBUS_CIS_ASI_BAR3: 225 case CARDBUS_CIS_ASI_BAR4: 226 case CARDBUS_CIS_ASI_BAR5: 227 case CARDBUS_CIS_ASI_ROM: 228 if(cardbus_space == CARDBUS_CIS_ASI_ROM) { 229 reg = CARDBUS_ROM_REG; 230 DPRINTF(("%s: reading CIS data from ROM\n", 231 sc->sc_dev.dv_xname)); 232 } else { 233 reg = CARDBUS_BASE0_REG + (cardbus_space - 1) * 4; 234 DPRINTF(("%s: reading CIS data from BAR%d\n", 235 sc->sc_dev.dv_xname, cardbus_space - 1)); 236 } 237 238 /* XXX zero register so mapreg_map doesn't get confused by old 239 contents */ 240 cardbus_conf_write(cc, cf, tag, reg, 0); 241 if(Cardbus_mapreg_map(ca->ca_ct, reg, 242 CARDBUS_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 243 0, 244 NULL, &bar_memh, &bar_addr, &bar_size)) { 245 printf("%s: failed to map memory\n", sc->sc_dev.dv_xname); 246 return 1; 247 } 248 249 250 if(cardbus_space == CARDBUS_CIS_ASI_ROM) { 251 cardbusreg_t exrom; 252 int save; 253 struct cardbus_rom_image_head rom_image; 254 struct cardbus_rom_image *p; 255 256 save = splhigh(); 257 /* enable rom address decoder */ 258 exrom = cardbus_conf_read(cc, cf, tag, reg); 259 cardbus_conf_write(cc, cf, tag, reg, exrom | 1); 260 261 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 262 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 263 command | CARDBUS_COMMAND_MEM_ENABLE); 264 265 printf("reg = %x\n", reg); 266 printf("bar_addr = %lx, exrom = %x\n", bar_addr, exrom); 267 printf("exrom = %x\n", cardbus_conf_read(cc, cf, tag, reg)); 268 269 if(cardbus_read_exrom(ca->ca_memt, bar_memh, &rom_image)) 270 goto out; 271 272 for(p = SIMPLEQ_FIRST(&rom_image); 273 p; 274 p = SIMPLEQ_NEXT(p, next)) { 275 if(p->rom_image == CARDBUS_CIS_ASI_ROM_IMAGE(cis_ptr)) { 276 bus_space_read_region_1(p->romt, p->romh, 277 CARDBUS_CIS_ADDR(cis_ptr), 278 tuples, 256); 279 found++; 280 } 281 break; 282 } 283 while((p = SIMPLEQ_FIRST(&rom_image)) != NULL) { 284 SIMPLEQ_REMOVE_HEAD(&rom_image, p, next); 285 free(p, M_DEVBUF); 286 } 287 out: 288 exrom = cardbus_conf_read(cc, cf, tag, reg); 289 cardbus_conf_write(cc, cf, tag, reg, exrom & ~1); 290 splx(save); 291 } else { 292 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 293 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 294 command | CARDBUS_COMMAND_MEM_ENABLE); 295 /* XXX byte order? */ 296 bus_space_read_region_1(ca->ca_memt, bar_memh, 297 cis_ptr, tuples, 256); 298 found++; 299 } 300 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 301 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 302 command & ~CARDBUS_COMMAND_MEM_ENABLE); 303 cardbus_conf_write(cc, cf, tag, reg, 0); 304 #if 0 305 /* XXX unmap memory */ 306 (*ca->ca_ct->ct_cf->cardbus_space_free)(ca->ca_ct, 307 ca->ca_ct->ct_sc->sc_rbus_memt, 308 bar_memh, bar_size); 309 #endif 310 break; 311 312 #ifdef DIAGNOSTIC 313 default: 314 panic("%s: bad CIS space (%d)", sc->sc_dev.dv_xname, cardbus_space); 315 #endif 316 } 317 return !found; 318 } 319 320 /* 321 * int cardbus_attach_card(struct cardbus_softc *sc) 322 * 323 * This function attaches the card on the slot: turns on power, 324 * reads and analyses tuple, sets consifuration index. 325 * 326 * This function returns the number of recognised device functions. 327 * If no functions are recognised, return 0. 328 */ 329 int 330 cardbus_attach_card(sc) 331 struct cardbus_softc *sc; 332 { 333 cardbus_chipset_tag_t cc; 334 cardbus_function_tag_t cf; 335 int cdstatus; 336 cardbustag_t tag; 337 cardbusreg_t id, class, cis_ptr; 338 cardbusreg_t bhlc; 339 u_int8_t tuple[2048]; 340 int function, nfunction; 341 struct cardbus_devfunc **previous_next = &(sc->sc_funcs); 342 struct device *csc; 343 int no_work_funcs = 0; 344 cardbus_devfunc_t ct; 345 346 cc = sc->sc_cc; 347 cf = sc->sc_cf; 348 349 DPRINTF(("cardbus_attach_card: cb%d start\n", sc->sc_dev.dv_unit)); 350 351 /* inspect initial voltage */ 352 if (0 == (cdstatus = (cf->cardbus_ctrl)(cc, CARDBUS_CD))) { 353 DPRINTF(("cardbusattach: no CardBus card on cb%d\n", sc->sc_dev.dv_unit)); 354 return 0; 355 } 356 357 enable_function(sc, cdstatus, 8); /* XXX use fake function 8 to 358 keep power on during whole 359 configuration */ 360 function = 0; 361 362 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 363 364 /* 365 * Wait until power comes up. Maxmum 500 ms. 366 */ 367 { 368 int i; 369 for (i = 0; i < 5; ++i) { 370 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 371 if (id != 0xffffffff && id != 0) { 372 break; 373 } 374 delay(100*1000); /* or tsleep */ 375 } 376 if (i == 5) { 377 return 0; 378 } 379 } 380 381 bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG); 382 if (CARDBUS_LATTIMER(bhlc) < 0x10) { 383 bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT); 384 bhlc |= (0x10 << CARDBUS_LATTIMER_SHIFT); 385 cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG, bhlc); 386 } 387 388 nfunction = CARDBUS_HDRTYPE_MULTIFN(bhlc) ? 8 : 1; 389 390 for(function = 0; function < nfunction; function++) { 391 struct cardbus_attach_args ca; 392 393 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 394 395 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 396 class = cardbus_conf_read(cc, cf, tag, CARDBUS_CLASS_REG); 397 cis_ptr = cardbus_conf_read(cc, cf, tag, CARDBUS_CIS_REG); 398 399 /* Invalid vendor ID value? */ 400 if (CARDBUS_VENDOR(id) == 0xffff) 401 continue; 402 403 DPRINTF(("cardbus_attach_card: Vendor 0x%x, Product 0x%x, CIS 0x%x\n", 404 CARDBUS_VENDOR(id), CARDBUS_PRODUCT(id), cis_ptr)); 405 406 enable_function(sc, cdstatus, function); 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 disable_function(sc, function); 445 continue; 446 } 447 448 decode_tuples(tuple, 2048); 449 450 451 if (NULL == (csc = config_found_sm((void *)sc, &ca, cardbusprint, cardbussubmatch))) { 452 /* do not match */ 453 disable_function(sc, function); 454 free(ct, M_DEVBUF); 455 *previous_next = NULL; 456 } else { 457 /* found */ 458 previous_next = &(ct->ct_next); 459 ct->ct_device = csc; 460 ++no_work_funcs; 461 } 462 } 463 /* XXX power down pseudo function 8 (this will power down the card 464 if no functions were attached) */ 465 disable_function(sc, 8); 466 467 if(no_work_funcs == 0) 468 free(cc, M_DEVBUF); 469 return no_work_funcs; 470 } 471 472 473 static int 474 #ifdef __BROKEN_INDIRECT_CONFIG 475 cardbussubmatch(parent, match, aux) 476 #else 477 cardbussubmatch(parent, cf, aux) 478 #endif 479 struct device *parent; 480 #ifdef __BROKEN_INDIRECT_CONFIG 481 void *match; 482 #else 483 struct cfdata *cf; 484 #endif 485 void *aux; 486 { 487 #ifdef __BROKEN_INDIRECT_CONFIG 488 struct cfdata *cf = match; 489 #endif 490 struct cardbus_attach_args *ca = aux; 491 492 if (cf->cardbuscf_dev != CARDBUS_UNK_DEV && 493 cf->cardbuscf_dev != ca->ca_unit) { 494 return 0; 495 } 496 if (cf->cardbuscf_function != CARDBUS_UNK_FUNCTION && 497 cf->cardbuscf_function != ca->ca_function) { 498 return 0; 499 } 500 501 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 502 } 503 504 505 506 static int 507 cardbusprint(aux, pnp) 508 void *aux; 509 const char *pnp; 510 { 511 register struct cardbus_attach_args *ca = aux; 512 char devinfo[256]; 513 514 if (pnp) { 515 pci_devinfo(ca->ca_id, ca->ca_class, 1, devinfo); 516 printf("%s at %s", devinfo, pnp); 517 } 518 printf(" dev %d function %d", ca->ca_device, ca->ca_function); 519 520 return UNCONF; 521 } 522 523 524 525 526 527 528 /* 529 * void *cardbus_intr_establish(cc, cf, irq, level, func, arg) 530 * Interrupt handler of pccard. 531 * args: 532 * cardbus_chipset_tag_t *cc 533 * int irq: 534 */ 535 void * 536 cardbus_intr_establish(cc, cf, irq, level, func, arg) 537 cardbus_chipset_tag_t cc; 538 cardbus_function_tag_t cf; 539 cardbus_intr_handle_t irq; 540 int level; 541 int (*func) __P((void *)); 542 void *arg; 543 { 544 DPRINTF(("- cardbus_intr_establish: irq %d\n", irq)); 545 546 return (*cf->cardbus_intr_establish)(cc, irq, level, func, arg); 547 } 548 549 550 551 /* 552 * void cardbus_intr_disestablish(cc, cf, handler) 553 * Interrupt handler of pccard. 554 * args: 555 * cardbus_chipset_tag_t *cc 556 */ 557 void 558 cardbus_intr_disestablish(cc, cf, handler) 559 cardbus_chipset_tag_t cc; 560 cardbus_function_tag_t cf; 561 void *handler; 562 { 563 DPRINTF(("- pccard_intr_disestablish\n")); 564 565 (*cf->cardbus_intr_disestablish)(cc, handler); 566 return; 567 } 568 569 570 571 /* XXX this should be merged with cardbus_function_{enable,disable}, 572 but we don't have a ct when these functions are called */ 573 574 static void 575 enable_function(sc, cdstatus, function) 576 struct cardbus_softc *sc; 577 int cdstatus; 578 int function; 579 { 580 if(sc->sc_poweron_func == 0) { 581 if (cdstatus & CARDBUS_3V_CARD) { 582 sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_3V); 583 } 584 (sc->sc_cf->cardbus_ctrl)(sc->sc_cc, CARDBUS_RESET); 585 } 586 sc->sc_poweron_func |= (1 << function); 587 } 588 589 static void 590 disable_function(sc, function) 591 struct cardbus_softc *sc; 592 int function; 593 { 594 sc->sc_poweron_func &= ~(1 << function); 595 if(sc->sc_poweron_func == 0) { 596 /* power-off because no functions are enabled */ 597 sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_0V); 598 } 599 } 600 601 /* 602 * int cardbus_function_enable(struct cardbus_softc *sc, int func) 603 * 604 * This function enables a function on a card. When no power is 605 * applied on the card, power will be applied on it. 606 */ 607 int 608 cardbus_function_enable(sc, func) 609 struct cardbus_softc *sc; 610 int func; 611 { 612 cardbus_chipset_tag_t cc = sc->sc_cc; 613 cardbus_function_tag_t cf = sc->sc_cf; 614 cardbusreg_t command; 615 cardbustag_t tag; 616 617 DPRINTF(("entering cardbus_function_enable... ")); 618 619 /* entering critical area */ 620 621 enable_function(sc, CARDBUS_3V_CARD, func); /* XXX: sc_vold should be used */ 622 623 /* exiting critical area */ 624 625 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, func); 626 627 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 628 command |= (CARDBUS_COMMAND_MEM_ENABLE | CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE); /* XXX: good guess needed */ 629 630 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, command); 631 632 cardbus_free_tag(cc, cf, tag); 633 634 DPRINTF(("%x\n", sc->sc_poweron_func)); 635 636 return 0; 637 } 638 639 640 /* 641 * int cardbus_function_disable(struct cardbus_softc *, int func) 642 * 643 * This function disable a function on a card. When no functions are 644 * enabled, it turns off the power. 645 */ 646 int 647 cardbus_function_disable(sc, func) 648 struct cardbus_softc *sc; 649 int func; 650 { 651 652 DPRINTF(("entering cardbus_function_disable... ")); 653 654 disable_function(sc, func); 655 656 return 0; 657 } 658 659 660 661 662 663 664 665 /* 666 * below this line, there are some functions for decoding tuples. 667 * They should go out from this file. 668 */ 669 670 static u_int8_t *decode_tuple __P((u_int8_t *)); 671 #ifdef CARDBUS_DEBUG 672 static char *tuple_name __P((int)); 673 #endif 674 675 static int 676 decode_tuples(tuple, buflen) 677 u_int8_t *tuple; 678 int buflen; 679 { 680 u_int8_t *tp = tuple; 681 682 if (CISTPL_LINKTARGET != *tuple) { 683 DPRINTF(("WRONG TUPLE: 0x%x\n", *tuple)); 684 return 0; 685 } 686 687 while (NULL != (tp = decode_tuple(tp))) { 688 if (tuple + buflen < tp) { 689 break; 690 } 691 } 692 693 return 1; 694 } 695 696 697 static u_int8_t * 698 decode_tuple(tuple) 699 u_int8_t *tuple; 700 { 701 u_int8_t type; 702 u_int8_t len; 703 #ifdef CARDBUS_DEBUG 704 int i; 705 #endif 706 707 type = tuple[0]; 708 len = tuple[1] + 2; 709 710 #ifdef CARDBUS_DEBUG 711 printf("tuple: %s len %d\n", tuple_name(type), len); 712 #endif 713 if (CISTPL_END == type) { 714 return NULL; 715 } 716 717 #ifdef CARDBUS_DEBUG 718 for (i = 0; i < len; ++i) { 719 if (i % 16 == 0) { 720 printf(" 0x%2x:", i); 721 } 722 printf(" %x",tuple[i]); 723 if (i % 16 == 15) { 724 printf("\n"); 725 } 726 } 727 if (i % 16 != 0) { 728 printf("\n"); 729 } 730 #endif 731 732 return tuple + len; 733 } 734 735 736 #ifdef CARDBUS_DEBUG 737 static char * 738 tuple_name(type) 739 int type; 740 { 741 static char *tuple_name_s [] = { 742 "TPL_NULL", "TPL_DEVICE", "Reserved", "Reserved", /* 0-3 */ 743 "CONFIG_CB", "CFTABLE_ENTRY_CB", "Reserved", "BAR", /* 4-7 */ 744 "Reserved", "Reserved", "Reserved", "Reserved", /* 8-B */ 745 "Reserved", "Reserved", "Reserved", "Reserved", /* C-F */ 746 "CHECKSUM", "LONGLINK_A", "LONGLINK_C", "LINKTARGET", /* 10-13 */ 747 "NO_LINK", "VERS_1", "ALTSTR", "DEVICE_A", 748 "JEDEC_C", "JEDEC_A", "CONFIG", "CFTABLE_ENTRY", 749 "DEVICE_OC", "DEVICE_OA", "DEVICE_GEO", "DEVICE_GEO_A", 750 "MANFID", "FUNCID", "FUNCE", "SWIL", /* 20-23 */ 751 "Reserved", "Reserved", "Reserved", "Reserved", /* 24-27 */ 752 "Reserved", "Reserved", "Reserved", "Reserved", /* 28-2B */ 753 "Reserved", "Reserved", "Reserved", "Reserved", /* 2C-2F */ 754 "Reserved", "Reserved", "Reserved", "Reserved", /* 30-33 */ 755 "Reserved", "Reserved", "Reserved", "Reserved", /* 34-37 */ 756 "Reserved", "Reserved", "Reserved", "Reserved", /* 38-3B */ 757 "Reserved", "Reserved", "Reserved", "Reserved", /* 3C-3F */ 758 "VERS_2", "FORMAT", "GEOMETRY", "BYTEORDER", 759 "DATE", "BATTERY", "ORG" 760 }; 761 #define NAME_LEN(x) (sizeof x / sizeof(x[0])) 762 763 if (type > 0 && type < NAME_LEN(tuple_name_s)) { 764 return tuple_name_s[type]; 765 } else if (0xff == type) { 766 return "END"; 767 } else { 768 return "Reserved"; 769 } 770 } 771 #endif 772
Indexes created Mon Sep 29 21:09:56 GMT 2025