cardbus.c revision 1.11
1 /* $NetBSD: cardbus.c,v 1.11 1999/11/09 15:03:59 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 #include <dev/pcmcia/pcmciareg.h> /* XXX */ 56 57 #if defined CARDBUS_DEBUG 58 #define STATIC 59 #define DPRINTF(a) printf a 60 #define DDELAY(x) delay((x)*1000*1000) 61 #else 62 #define STATIC static 63 #define DPRINTF(a) 64 #endif 65 66 67 68 STATIC void cardbusattach __P((struct device *, struct device *, void *)); 69 /* STATIC int cardbusprint __P((void *, const char *)); */ 70 int cardbus_attach_card __P((struct cardbus_softc *)); 71 72 #if !defined __BROKEN_INDIRECT_CONFIG 73 STATIC int cardbusmatch __P((struct device *, struct cfdata *, void *)); 74 static int cardbussubmatch __P((struct device *, struct cfdata *, void *)); 75 #else 76 STATIC int cardbusmatch __P((struct device *, void *, void *)); 77 static int cardbussubmatch __P((struct device *, void *, void *)); 78 #endif 79 static int cardbusprint __P((void *, const char *)); 80 81 typedef void (*tuple_decode_func)(u_int8_t*, int, void*); 82 83 static int decode_tuples __P((u_int8_t *, int, tuple_decode_func, void*)); 84 #ifdef CARDBUS_DEBUG 85 static void print_tuple __P((u_int8_t*, int, void*)); 86 #endif 87 88 static int cardbus_read_tuples __P((struct cardbus_attach_args *, 89 cardbusreg_t, u_int8_t *, size_t)); 90 91 static void enable_function __P((struct cardbus_softc *, int, int)); 92 static void disable_function __P((struct cardbus_softc *, int)); 93 94 95 struct cfattach cardbus_ca = { 96 sizeof(struct cardbus_softc), cardbusmatch, cardbusattach 97 }; 98 99 #ifndef __NetBSD_Version__ 100 struct cfdriver cardbus_cd = { 101 NULL, "cardbus", DV_DULL 102 }; 103 #endif 104 105 106 STATIC int 107 #if defined __BROKEN_INDIRECT_CONFIG 108 cardbusmatch(parent, match, aux) 109 struct device *parent; 110 void *match; 111 void *aux; 112 #else 113 cardbusmatch(parent, cf, aux) 114 struct device *parent; 115 struct cfdata *cf; 116 void *aux; 117 #endif 118 { 119 #if defined __BROKEN_INDIRECT_CONFIG 120 struct cfdata *cf = match; 121 #endif 122 struct cbslot_attach_args *cba = aux; 123 124 if (strcmp(cba->cba_busname, cf->cf_driver->cd_name)) { 125 DPRINTF(("cardbusmatch: busname differs %s <=> %s\n", 126 cba->cba_busname, cf->cf_driver->cd_name)); 127 return 0; 128 } 129 130 #if 0 131 /* which function? */ 132 if (cf->cbslotcf_func != CBSLOT_UNK_FUNC && 133 cf->cbslotcf_func != cba->cba_function) { 134 DPRINTF(("cardbusmatch: function differs %d <=> %d\n", 135 cf->cbslotcf_func, cba->cba_function)); 136 return 0; 137 } 138 #endif 139 140 if (cba->cba_function < 0 || cba->cba_function > 255) { 141 return 0; 142 } 143 144 return 1; 145 } 146 147 148 149 STATIC void 150 cardbusattach(parent, self, aux) 151 struct device *parent; 152 struct device *self; 153 void *aux; 154 { 155 struct cardbus_softc *sc = (void *)self; 156 struct cbslot_attach_args *cba = aux; 157 int cdstatus; 158 159 sc->sc_bus = cba->cba_bus; 160 sc->sc_device = cba->cba_function; 161 sc->sc_intrline = cba->cba_intrline; 162 sc->sc_cacheline = cba->cba_cacheline; 163 sc->sc_lattimer = cba->cba_lattimer; 164 165 printf(": bus %d device %d", sc->sc_bus, sc->sc_device); 166 printf(" cacheline 0x%x, lattimer 0x%x\n", sc->sc_cacheline,sc->sc_lattimer); 167 168 sc->sc_iot = cba->cba_iot; /* CardBus I/O space tag */ 169 sc->sc_memt = cba->cba_memt; /* CardBus MEM space tag */ 170 sc->sc_dmat = cba->cba_dmat; /* DMA tag */ 171 sc->sc_cc = cba->cba_cc; 172 sc->sc_cf = cba->cba_cf; 173 174 #if rbus 175 sc->sc_rbus_iot = cba->cba_rbus_iot; 176 sc->sc_rbus_memt = cba->cba_rbus_memt; 177 #endif 178 179 sc->sc_funcs = NULL; 180 181 cdstatus = 0; 182 } 183 184 static int 185 cardbus_read_tuples(ca, cis_ptr, tuples, len) 186 struct cardbus_attach_args *ca; 187 cardbusreg_t cis_ptr; 188 u_int8_t *tuples; 189 size_t len; 190 { 191 struct cardbus_softc *sc = ca->ca_ct->ct_sc; 192 cardbus_chipset_tag_t cc = ca->ca_ct->ct_cc; 193 cardbus_function_tag_t cf = ca->ca_ct->ct_cf; 194 cardbustag_t tag = ca->ca_tag; 195 cardbusreg_t command; 196 int found = 0; 197 198 int i, j; 199 int cardbus_space = cis_ptr & CARDBUS_CIS_ASIMASK; 200 bus_space_handle_t bar_memh; 201 bus_size_t bar_size; 202 bus_addr_t bar_addr; 203 204 int reg; 205 206 memset(tuples, 0, len); 207 208 cis_ptr = cis_ptr & CARDBUS_CIS_ADDRMASK; 209 210 switch(cardbus_space) { 211 case CARDBUS_CIS_ASI_TUPLE: 212 DPRINTF(("%s: reading CIS data from configuration space\n", 213 sc->sc_dev.dv_xname)); 214 for (i = cis_ptr, j = 0; i < 0xff; i += 4) { 215 u_int32_t e = (cf->cardbus_conf_read)(cc, tag, i); 216 tuples[j] = 0xff & e; 217 e >>= 8; 218 tuples[j + 1] = 0xff & e; 219 e >>= 8; 220 tuples[j + 2] = 0xff & e; 221 e >>= 8; 222 tuples[j + 3] = 0xff & e; 223 j += 4; 224 } 225 found++; 226 break; 227 228 case CARDBUS_CIS_ASI_BAR0: 229 case CARDBUS_CIS_ASI_BAR1: 230 case CARDBUS_CIS_ASI_BAR2: 231 case CARDBUS_CIS_ASI_BAR3: 232 case CARDBUS_CIS_ASI_BAR4: 233 case CARDBUS_CIS_ASI_BAR5: 234 case CARDBUS_CIS_ASI_ROM: 235 if(cardbus_space == CARDBUS_CIS_ASI_ROM) { 236 reg = CARDBUS_ROM_REG; 237 DPRINTF(("%s: reading CIS data from ROM\n", 238 sc->sc_dev.dv_xname)); 239 } else { 240 reg = CARDBUS_BASE0_REG + (cardbus_space - 1) * 4; 241 DPRINTF(("%s: reading CIS data from BAR%d\n", 242 sc->sc_dev.dv_xname, cardbus_space - 1)); 243 } 244 245 /* XXX zero register so mapreg_map doesn't get confused by old 246 contents */ 247 cardbus_conf_write(cc, cf, tag, reg, 0); 248 if(Cardbus_mapreg_map(ca->ca_ct, reg, 249 CARDBUS_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 250 0, 251 NULL, &bar_memh, &bar_addr, &bar_size)) { 252 printf("%s: failed to map memory\n", sc->sc_dev.dv_xname); 253 return 1; 254 } 255 256 257 if(cardbus_space == CARDBUS_CIS_ASI_ROM) { 258 cardbusreg_t exrom; 259 int save; 260 struct cardbus_rom_image_head rom_image; 261 struct cardbus_rom_image *p; 262 263 save = splhigh(); 264 /* enable rom address decoder */ 265 exrom = cardbus_conf_read(cc, cf, tag, reg); 266 cardbus_conf_write(cc, cf, tag, reg, exrom | 1); 267 268 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 269 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 270 command | CARDBUS_COMMAND_MEM_ENABLE); 271 272 if(cardbus_read_exrom(ca->ca_memt, bar_memh, &rom_image)) 273 goto out; 274 275 for(p = SIMPLEQ_FIRST(&rom_image); 276 p; 277 p = SIMPLEQ_NEXT(p, next)) { 278 if(p->rom_image == CARDBUS_CIS_ASI_ROM_IMAGE(cis_ptr)) { 279 bus_space_read_region_1(p->romt, p->romh, 280 CARDBUS_CIS_ADDR(cis_ptr), 281 tuples, 256); 282 found++; 283 } 284 break; 285 } 286 while((p = SIMPLEQ_FIRST(&rom_image)) != NULL) { 287 SIMPLEQ_REMOVE_HEAD(&rom_image, p, next); 288 free(p, M_DEVBUF); 289 } 290 out: 291 exrom = cardbus_conf_read(cc, cf, tag, reg); 292 cardbus_conf_write(cc, cf, tag, reg, exrom & ~1); 293 splx(save); 294 } else { 295 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 296 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 297 command | CARDBUS_COMMAND_MEM_ENABLE); 298 /* XXX byte order? */ 299 bus_space_read_region_1(ca->ca_memt, bar_memh, 300 cis_ptr, tuples, 256); 301 found++; 302 } 303 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 304 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 305 command & ~CARDBUS_COMMAND_MEM_ENABLE); 306 cardbus_conf_write(cc, cf, tag, reg, 0); 307 #if 0 308 /* XXX unmap memory */ 309 (*ca->ca_ct->ct_cf->cardbus_space_free)(ca->ca_ct, 310 ca->ca_ct->ct_sc->sc_rbus_memt, 311 bar_memh, bar_size); 312 #endif 313 break; 314 315 #ifdef DIAGNOSTIC 316 default: 317 panic("%s: bad CIS space (%d)", sc->sc_dev.dv_xname, cardbus_space); 318 #endif 319 } 320 return !found; 321 } 322 323 static void 324 parse_tuple(u_int8_t *tuple, int len, void *data) 325 { 326 #ifdef CARDBUS_DEBUG 327 static const char __func__[] = "parse_tuple"; 328 #endif 329 struct cardbus_cis_info *cis = data; 330 int bar_index; 331 int i; 332 char *p; 333 switch(tuple[0]) { 334 case PCMCIA_CISTPL_MANFID: 335 if(tuple[1] != 5) { 336 DPRINTF(("%s: wrong length manufacturer id (%d)\n", 337 __func__, tuple[1])); 338 break; 339 } 340 cis->manufacturer = tuple[2] | (tuple[3] << 8); 341 cis->product = tuple[4] | (tuple[5] << 8); 342 break; 343 case PCMCIA_CISTPL_VERS_1: 344 memcpy(cis->cis1_info_buf, tuple + 2, tuple[1]); 345 i = 0; 346 p = cis->cis1_info_buf + 2; 347 while(i < sizeof(cis->cis1_info) / sizeof(cis->cis1_info[0])) { 348 cis->cis1_info[i++] = p; 349 while(*p != '\0' && *p != '\xff') 350 p++; 351 if(*p == '\xff') 352 break; 353 p++; 354 } 355 break; 356 case PCMCIA_CISTPL_BAR: 357 if(tuple[1] != 6) { 358 DPRINTF(("%s: BAR with short length (%d)\n", __func__, tuple[1])); 359 break; 360 } 361 bar_index = tuple[2] & 7; 362 if(bar_index == 0) { 363 DPRINTF(("%s: invalid ASI in BAR tuple\n", __func__)); 364 break; 365 } 366 bar_index--; 367 cis->bar[bar_index].flags = tuple[2]; 368 cis->bar[bar_index].size = (tuple[4] << 0) | 369 (tuple[5] << 8) | 370 (tuple[6] << 16) | 371 (tuple[7] << 24); 372 break; 373 case PCMCIA_CISTPL_FUNCID: 374 cis->funcid = tuple[2]; 375 break; 376 377 case PCMCIA_CISTPL_FUNCE: 378 if(cis->funcid == PCMCIA_FUNCTION_NETWORK && tuple[1] >= 8) { 379 if(tuple[2] == PCMCIA_TPLFE_TYPE_LAN_NID) { 380 if(tuple[3] > sizeof(cis->funce.network.netid)) { 381 DPRINTF(("%s: unknown network id type (len = %d)\n", 382 __func__, tuple[3])); 383 } else { 384 memcpy(cis->funce.network.netid, 385 tuple + 4, tuple[3]); 386 } 387 } 388 } 389 break; 390 } 391 } 392 393 /* 394 * int cardbus_attach_card(struct cardbus_softc *sc) 395 * 396 * This function attaches the card on the slot: turns on power, 397 * reads and analyses tuple, sets consifuration index. 398 * 399 * This function returns the number of recognised device functions. 400 * If no functions are recognised, return 0. 401 */ 402 int 403 cardbus_attach_card(sc) 404 struct cardbus_softc *sc; 405 { 406 cardbus_chipset_tag_t cc; 407 cardbus_function_tag_t cf; 408 int cdstatus; 409 cardbustag_t tag; 410 cardbusreg_t id, class, cis_ptr; 411 cardbusreg_t bhlc; 412 u_int8_t tuple[2048]; 413 int function, nfunction; 414 struct cardbus_devfunc **previous_next = &(sc->sc_funcs); 415 struct device *csc; 416 int no_work_funcs = 0; 417 cardbus_devfunc_t ct; 418 419 cc = sc->sc_cc; 420 cf = sc->sc_cf; 421 422 DPRINTF(("cardbus_attach_card: cb%d start\n", sc->sc_dev.dv_unit)); 423 424 /* inspect initial voltage */ 425 if (0 == (cdstatus = (cf->cardbus_ctrl)(cc, CARDBUS_CD))) { 426 DPRINTF(("cardbusattach: no CardBus card on cb%d\n", sc->sc_dev.dv_unit)); 427 return 0; 428 } 429 430 enable_function(sc, cdstatus, 8); /* XXX use fake function 8 to 431 keep power on during whole 432 configuration */ 433 function = 0; 434 435 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 436 437 /* 438 * Wait until power comes up. Maxmum 500 ms. 439 */ 440 { 441 int i; 442 for (i = 0; i < 5; ++i) { 443 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 444 if (id != 0xffffffff && id != 0) { 445 break; 446 } 447 delay(100*1000); /* or tsleep */ 448 } 449 if (i == 5) { 450 return 0; 451 } 452 } 453 454 bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG); 455 if (CARDBUS_LATTIMER(bhlc) < 0x10) { 456 bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT); 457 bhlc |= (0x10 << CARDBUS_LATTIMER_SHIFT); 458 cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG, bhlc); 459 } 460 461 nfunction = CARDBUS_HDRTYPE_MULTIFN(bhlc) ? 8 : 1; 462 463 for(function = 0; function < nfunction; function++) { 464 struct cardbus_attach_args ca; 465 466 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 467 468 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 469 class = cardbus_conf_read(cc, cf, tag, CARDBUS_CLASS_REG); 470 cis_ptr = cardbus_conf_read(cc, cf, tag, CARDBUS_CIS_REG); 471 472 /* Invalid vendor ID value? */ 473 if (CARDBUS_VENDOR(id) == 0xffff) 474 continue; 475 476 DPRINTF(("cardbus_attach_card: Vendor 0x%x, Product 0x%x, CIS 0x%x\n", 477 CARDBUS_VENDOR(id), CARDBUS_PRODUCT(id), cis_ptr)); 478 479 enable_function(sc, cdstatus, function); 480 481 /* we need to allocate the ct here, since we might 482 need it when reading the CIS */ 483 if (NULL == (ct = (cardbus_devfunc_t)malloc(sizeof(struct cardbus_devfunc), 484 M_DEVBUF, M_NOWAIT))) { 485 panic("no room for cardbus_tag"); 486 } 487 488 ct->ct_cc = sc->sc_cc; 489 ct->ct_cf = sc->sc_cf; 490 ct->ct_bus = sc->sc_bus; 491 ct->ct_dev = sc->sc_device; 492 ct->ct_func = function; 493 ct->ct_sc = sc; 494 ct->ct_next = NULL; 495 *previous_next = ct; 496 497 ca.ca_unit = sc->sc_dev.dv_unit; 498 ca.ca_ct = ct; 499 500 ca.ca_iot = sc->sc_iot; 501 ca.ca_memt = sc->sc_memt; 502 ca.ca_dmat = sc->sc_dmat; 503 504 ca.ca_tag = tag; 505 ca.ca_device = sc->sc_device; 506 ca.ca_function = function; 507 ca.ca_id = id; 508 ca.ca_class = class; 509 510 ca.ca_intrline = sc->sc_intrline; 511 512 bzero(tuple, 2048); 513 514 if(cardbus_read_tuples(&ca, cis_ptr, tuple, sizeof(tuple))) { 515 printf("cardbus_attach_card: failed to read CIS\n"); 516 free(ct, M_DEVBUF); 517 disable_function(sc, function); 518 continue; 519 } 520 521 #ifdef CARDBUS_DEBUG 522 decode_tuples(tuple, 2048, print_tuple, NULL); 523 #endif 524 decode_tuples(tuple, 2048, parse_tuple, &ca.ca_cis); 525 526 527 if (NULL == (csc = config_found_sm((void *)sc, &ca, cardbusprint, cardbussubmatch))) { 528 /* do not match */ 529 disable_function(sc, function); 530 free(ct, M_DEVBUF); 531 *previous_next = NULL; 532 } else { 533 /* found */ 534 previous_next = &(ct->ct_next); 535 ct->ct_device = csc; 536 ++no_work_funcs; 537 } 538 } 539 /* XXX power down pseudo function 8 (this will power down the card 540 if no functions were attached) */ 541 disable_function(sc, 8); 542 543 if(no_work_funcs == 0) 544 free(cc, M_DEVBUF); 545 return no_work_funcs; 546 } 547 548 549 static int 550 #ifdef __BROKEN_INDIRECT_CONFIG 551 cardbussubmatch(parent, match, aux) 552 #else 553 cardbussubmatch(parent, cf, aux) 554 #endif 555 struct device *parent; 556 #ifdef __BROKEN_INDIRECT_CONFIG 557 void *match; 558 #else 559 struct cfdata *cf; 560 #endif 561 void *aux; 562 { 563 #ifdef __BROKEN_INDIRECT_CONFIG 564 struct cfdata *cf = match; 565 #endif 566 struct cardbus_attach_args *ca = aux; 567 568 if (cf->cardbuscf_dev != CARDBUS_UNK_DEV && 569 cf->cardbuscf_dev != ca->ca_unit) { 570 return 0; 571 } 572 if (cf->cardbuscf_function != CARDBUS_UNK_FUNCTION && 573 cf->cardbuscf_function != ca->ca_function) { 574 return 0; 575 } 576 577 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 578 } 579 580 581 582 static int 583 cardbusprint(aux, pnp) 584 void *aux; 585 const char *pnp; 586 { 587 struct cardbus_attach_args *ca = aux; 588 char devinfo[256]; 589 int i; 590 if (pnp) { 591 pci_devinfo(ca->ca_id, ca->ca_class, 1, devinfo); 592 for (i = 0; i < 4; i++) { 593 if (ca->ca_cis.cis1_info[i] == NULL) 594 break; 595 if (i) 596 printf(", "); 597 printf("%s", ca->ca_cis.cis1_info[i]); 598 } 599 if (i) 600 printf(" "); 601 printf("(manufacturer 0x%x, product 0x%x)", ca->ca_cis.manufacturer, 602 ca->ca_cis.product); 603 printf(" %s at %s", devinfo, pnp); 604 } 605 printf(" dev %d function %d", ca->ca_device, ca->ca_function); 606 607 return UNCONF; 608 } 609 610 611 612 613 614 615 /* 616 * void *cardbus_intr_establish(cc, cf, irq, level, func, arg) 617 * Interrupt handler of pccard. 618 * args: 619 * cardbus_chipset_tag_t *cc 620 * int irq: 621 */ 622 void * 623 cardbus_intr_establish(cc, cf, irq, level, func, arg) 624 cardbus_chipset_tag_t cc; 625 cardbus_function_tag_t cf; 626 cardbus_intr_handle_t irq; 627 int level; 628 int (*func) __P((void *)); 629 void *arg; 630 { 631 DPRINTF(("- cardbus_intr_establish: irq %d\n", irq)); 632 633 return (*cf->cardbus_intr_establish)(cc, irq, level, func, arg); 634 } 635 636 637 638 /* 639 * void cardbus_intr_disestablish(cc, cf, handler) 640 * Interrupt handler of pccard. 641 * args: 642 * cardbus_chipset_tag_t *cc 643 */ 644 void 645 cardbus_intr_disestablish(cc, cf, handler) 646 cardbus_chipset_tag_t cc; 647 cardbus_function_tag_t cf; 648 void *handler; 649 { 650 DPRINTF(("- pccard_intr_disestablish\n")); 651 652 (*cf->cardbus_intr_disestablish)(cc, handler); 653 return; 654 } 655 656 657 658 /* XXX this should be merged with cardbus_function_{enable,disable}, 659 but we don't have a ct when these functions are called */ 660 661 static void 662 enable_function(sc, cdstatus, function) 663 struct cardbus_softc *sc; 664 int cdstatus; 665 int function; 666 { 667 if(sc->sc_poweron_func == 0) { 668 if (cdstatus & CARDBUS_3V_CARD) { 669 sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_3V); 670 } 671 (sc->sc_cf->cardbus_ctrl)(sc->sc_cc, CARDBUS_RESET); 672 } 673 sc->sc_poweron_func |= (1 << function); 674 } 675 676 static void 677 disable_function(sc, function) 678 struct cardbus_softc *sc; 679 int function; 680 { 681 sc->sc_poweron_func &= ~(1 << function); 682 if(sc->sc_poweron_func == 0) { 683 /* power-off because no functions are enabled */ 684 sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_0V); 685 } 686 } 687 688 /* 689 * int cardbus_function_enable(struct cardbus_softc *sc, int func) 690 * 691 * This function enables a function on a card. When no power is 692 * applied on the card, power will be applied on it. 693 */ 694 int 695 cardbus_function_enable(sc, func) 696 struct cardbus_softc *sc; 697 int func; 698 { 699 cardbus_chipset_tag_t cc = sc->sc_cc; 700 cardbus_function_tag_t cf = sc->sc_cf; 701 cardbusreg_t command; 702 cardbustag_t tag; 703 704 DPRINTF(("entering cardbus_function_enable... ")); 705 706 /* entering critical area */ 707 708 enable_function(sc, CARDBUS_3V_CARD, func); /* XXX: sc_vold should be used */ 709 710 /* exiting critical area */ 711 712 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, func); 713 714 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 715 command |= (CARDBUS_COMMAND_MEM_ENABLE | CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE); /* XXX: good guess needed */ 716 717 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, command); 718 719 cardbus_free_tag(cc, cf, tag); 720 721 DPRINTF(("%x\n", sc->sc_poweron_func)); 722 723 return 0; 724 } 725 726 727 /* 728 * int cardbus_function_disable(struct cardbus_softc *, int func) 729 * 730 * This function disable a function on a card. When no functions are 731 * enabled, it turns off the power. 732 */ 733 int 734 cardbus_function_disable(sc, func) 735 struct cardbus_softc *sc; 736 int func; 737 { 738 739 DPRINTF(("entering cardbus_function_disable... ")); 740 741 disable_function(sc, func); 742 743 return 0; 744 } 745 746 747 748 749 750 751 752 /* 753 * below this line, there are some functions for decoding tuples. 754 * They should go out from this file. 755 */ 756 757 static u_int8_t * 758 decode_tuple __P((u_int8_t *tuple, tuple_decode_func func, void *data)); 759 760 static int 761 decode_tuples(tuple, buflen, func, data) 762 u_int8_t *tuple; 763 int buflen; 764 tuple_decode_func func; 765 void *data; 766 { 767 u_int8_t *tp = tuple; 768 769 if (CISTPL_LINKTARGET != *tuple) { 770 DPRINTF(("WRONG TUPLE: 0x%x\n", *tuple)); 771 return 0; 772 } 773 774 while (NULL != (tp = decode_tuple(tp, func, data))) { 775 if (tuple + buflen < tp) { 776 break; 777 } 778 } 779 780 return 1; 781 } 782 783 784 static u_int8_t * 785 decode_tuple(tuple, func, data) 786 u_int8_t *tuple; 787 tuple_decode_func func; 788 void *data; 789 { 790 u_int8_t type; 791 u_int8_t len; 792 793 type = tuple[0]; 794 len = tuple[1] + 2; 795 796 (*func)(tuple, len, data); 797 798 if (CISTPL_END == type) { 799 return NULL; 800 } 801 802 return tuple + len; 803 } 804 805 806 #ifdef CARDBUS_DEBUG 807 static char *tuple_name __P((int type)); 808 809 static char * 810 tuple_name(type) 811 int type; 812 { 813 static char *tuple_name_s [] = { 814 "TPL_NULL", "TPL_DEVICE", "Reserved", "Reserved", /* 0-3 */ 815 "CONFIG_CB", "CFTABLE_ENTRY_CB", "Reserved", "BAR", /* 4-7 */ 816 "Reserved", "Reserved", "Reserved", "Reserved", /* 8-B */ 817 "Reserved", "Reserved", "Reserved", "Reserved", /* C-F */ 818 "CHECKSUM", "LONGLINK_A", "LONGLINK_C", "LINKTARGET", /* 10-13 */ 819 "NO_LINK", "VERS_1", "ALTSTR", "DEVICE_A", 820 "JEDEC_C", "JEDEC_A", "CONFIG", "CFTABLE_ENTRY", 821 "DEVICE_OC", "DEVICE_OA", "DEVICE_GEO", "DEVICE_GEO_A", 822 "MANFID", "FUNCID", "FUNCE", "SWIL", /* 20-23 */ 823 "Reserved", "Reserved", "Reserved", "Reserved", /* 24-27 */ 824 "Reserved", "Reserved", "Reserved", "Reserved", /* 28-2B */ 825 "Reserved", "Reserved", "Reserved", "Reserved", /* 2C-2F */ 826 "Reserved", "Reserved", "Reserved", "Reserved", /* 30-33 */ 827 "Reserved", "Reserved", "Reserved", "Reserved", /* 34-37 */ 828 "Reserved", "Reserved", "Reserved", "Reserved", /* 38-3B */ 829 "Reserved", "Reserved", "Reserved", "Reserved", /* 3C-3F */ 830 "VERS_2", "FORMAT", "GEOMETRY", "BYTEORDER", 831 "DATE", "BATTERY", "ORG" 832 }; 833 #define NAME_LEN(x) (sizeof x / sizeof(x[0])) 834 835 if (type > 0 && type < NAME_LEN(tuple_name_s)) { 836 return tuple_name_s[type]; 837 } else if (0xff == type) { 838 return "END"; 839 } else { 840 return "Reserved"; 841 } 842 } 843 844 static void 845 print_tuple(tuple, len, data) 846 u_int8_t *tuple; 847 int len; 848 void *data; 849 { 850 int i; 851 852 printf("tuple: %s len %d\n", tuple_name(tuple[0]), len); 853 854 for (i = 0; i < len; ++i) { 855 if (i % 16 == 0) { 856 printf(" 0x%2x:", i); 857 } 858 printf(" %x",tuple[i]); 859 if (i % 16 == 15) { 860 printf("\n"); 861 } 862 } 863 if (i % 16 != 0) { 864 printf("\n"); 865 } 866 } 867 868 #endif 869 870
Indexes created Mon Sep 29 21:09:56 GMT 2025