cardbus.c revision 1.10
1 /* $NetBSD: cardbus.c,v 1.10 1999/11/08 20:19:10 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", 364 __func__, bar_index)); 365 break; 366 } 367 bar_index--; 368 cis->bar[bar_index].flags = tuple[2]; 369 cis->bar[bar_index].size = (tuple[4] << 0) | 370 (tuple[5] << 8) | 371 (tuple[6] << 16) | 372 (tuple[7] << 24); 373 break; 374 case PCMCIA_CISTPL_FUNCID: 375 cis->funcid = tuple[2]; 376 break; 377 378 case PCMCIA_CISTPL_FUNCE: 379 if(cis->funcid == PCMCIA_FUNCTION_NETWORK && tuple[1] >= 8) { 380 if(tuple[2] == PCMCIA_TPLFE_TYPE_LAN_NID) { 381 if(tuple[3] > sizeof(cis->funce.network.netid)) { 382 DPRINTF(("%s: unknown network id type (len = %d)\n", 383 __func__, tuple[3])); 384 } else { 385 memcpy(cis->funce.network.netid, 386 tuple + 4, tuple[3]); 387 } 388 } 389 } 390 break; 391 } 392 } 393 394 /* 395 * int cardbus_attach_card(struct cardbus_softc *sc) 396 * 397 * This function attaches the card on the slot: turns on power, 398 * reads and analyses tuple, sets consifuration index. 399 * 400 * This function returns the number of recognised device functions. 401 * If no functions are recognised, return 0. 402 */ 403 int 404 cardbus_attach_card(sc) 405 struct cardbus_softc *sc; 406 { 407 cardbus_chipset_tag_t cc; 408 cardbus_function_tag_t cf; 409 int cdstatus; 410 cardbustag_t tag; 411 cardbusreg_t id, class, cis_ptr; 412 cardbusreg_t bhlc; 413 u_int8_t tuple[2048]; 414 int function, nfunction; 415 struct cardbus_devfunc **previous_next = &(sc->sc_funcs); 416 struct device *csc; 417 int no_work_funcs = 0; 418 cardbus_devfunc_t ct; 419 420 cc = sc->sc_cc; 421 cf = sc->sc_cf; 422 423 DPRINTF(("cardbus_attach_card: cb%d start\n", sc->sc_dev.dv_unit)); 424 425 /* inspect initial voltage */ 426 if (0 == (cdstatus = (cf->cardbus_ctrl)(cc, CARDBUS_CD))) { 427 DPRINTF(("cardbusattach: no CardBus card on cb%d\n", sc->sc_dev.dv_unit)); 428 return 0; 429 } 430 431 enable_function(sc, cdstatus, 8); /* XXX use fake function 8 to 432 keep power on during whole 433 configuration */ 434 function = 0; 435 436 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 437 438 /* 439 * Wait until power comes up. Maxmum 500 ms. 440 */ 441 { 442 int i; 443 for (i = 0; i < 5; ++i) { 444 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 445 if (id != 0xffffffff && id != 0) { 446 break; 447 } 448 delay(100*1000); /* or tsleep */ 449 } 450 if (i == 5) { 451 return 0; 452 } 453 } 454 455 bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG); 456 if (CARDBUS_LATTIMER(bhlc) < 0x10) { 457 bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT); 458 bhlc |= (0x10 << CARDBUS_LATTIMER_SHIFT); 459 cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG, bhlc); 460 } 461 462 nfunction = CARDBUS_HDRTYPE_MULTIFN(bhlc) ? 8 : 1; 463 464 for(function = 0; function < nfunction; function++) { 465 struct cardbus_attach_args ca; 466 467 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 468 469 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 470 class = cardbus_conf_read(cc, cf, tag, CARDBUS_CLASS_REG); 471 cis_ptr = cardbus_conf_read(cc, cf, tag, CARDBUS_CIS_REG); 472 473 /* Invalid vendor ID value? */ 474 if (CARDBUS_VENDOR(id) == 0xffff) 475 continue; 476 477 DPRINTF(("cardbus_attach_card: Vendor 0x%x, Product 0x%x, CIS 0x%x\n", 478 CARDBUS_VENDOR(id), CARDBUS_PRODUCT(id), cis_ptr)); 479 480 enable_function(sc, cdstatus, function); 481 482 /* we need to allocate the ct here, since we might 483 need it when reading the CIS */ 484 if (NULL == (ct = (cardbus_devfunc_t)malloc(sizeof(struct cardbus_devfunc), 485 M_DEVBUF, M_NOWAIT))) { 486 panic("no room for cardbus_tag"); 487 } 488 489 ct->ct_cc = sc->sc_cc; 490 ct->ct_cf = sc->sc_cf; 491 ct->ct_bus = sc->sc_bus; 492 ct->ct_dev = sc->sc_device; 493 ct->ct_func = function; 494 ct->ct_sc = sc; 495 ct->ct_next = NULL; 496 *previous_next = ct; 497 498 ca.ca_unit = sc->sc_dev.dv_unit; 499 ca.ca_ct = ct; 500 501 ca.ca_iot = sc->sc_iot; 502 ca.ca_memt = sc->sc_memt; 503 ca.ca_dmat = sc->sc_dmat; 504 505 ca.ca_tag = tag; 506 ca.ca_device = sc->sc_device; 507 ca.ca_function = function; 508 ca.ca_id = id; 509 ca.ca_class = class; 510 511 ca.ca_intrline = sc->sc_intrline; 512 513 bzero(tuple, 2048); 514 515 if(cardbus_read_tuples(&ca, cis_ptr, tuple, sizeof(tuple))) { 516 printf("cardbus_attach_card: failed to read CIS\n"); 517 free(ct, M_DEVBUF); 518 disable_function(sc, function); 519 continue; 520 } 521 522 #ifdef CARDBUS_DEBUG 523 decode_tuples(tuple, 2048, print_tuple, NULL); 524 #endif 525 decode_tuples(tuple, 2048, parse_tuple, &ca.ca_cis); 526 527 528 if (NULL == (csc = config_found_sm((void *)sc, &ca, cardbusprint, cardbussubmatch))) { 529 /* do not match */ 530 disable_function(sc, function); 531 free(ct, M_DEVBUF); 532 *previous_next = NULL; 533 } else { 534 /* found */ 535 previous_next = &(ct->ct_next); 536 ct->ct_device = csc; 537 ++no_work_funcs; 538 } 539 } 540 /* XXX power down pseudo function 8 (this will power down the card 541 if no functions were attached) */ 542 disable_function(sc, 8); 543 544 if(no_work_funcs == 0) 545 free(cc, M_DEVBUF); 546 return no_work_funcs; 547 } 548 549 550 static int 551 #ifdef __BROKEN_INDIRECT_CONFIG 552 cardbussubmatch(parent, match, aux) 553 #else 554 cardbussubmatch(parent, cf, aux) 555 #endif 556 struct device *parent; 557 #ifdef __BROKEN_INDIRECT_CONFIG 558 void *match; 559 #else 560 struct cfdata *cf; 561 #endif 562 void *aux; 563 { 564 #ifdef __BROKEN_INDIRECT_CONFIG 565 struct cfdata *cf = match; 566 #endif 567 struct cardbus_attach_args *ca = aux; 568 569 if (cf->cardbuscf_dev != CARDBUS_UNK_DEV && 570 cf->cardbuscf_dev != ca->ca_unit) { 571 return 0; 572 } 573 if (cf->cardbuscf_function != CARDBUS_UNK_FUNCTION && 574 cf->cardbuscf_function != ca->ca_function) { 575 return 0; 576 } 577 578 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 579 } 580 581 582 583 static int 584 cardbusprint(aux, pnp) 585 void *aux; 586 const char *pnp; 587 { 588 struct cardbus_attach_args *ca = aux; 589 char devinfo[256]; 590 int i; 591 if (pnp) { 592 pci_devinfo(ca->ca_id, ca->ca_class, 1, devinfo); 593 for (i = 0; i < 4; i++) { 594 if (ca->ca_cis.cis1_info[i] == NULL) 595 break; 596 if (i) 597 printf(", "); 598 printf("%s", ca->ca_cis.cis1_info[i]); 599 } 600 if (i) 601 printf(" "); 602 printf("(manufacturer 0x%x, product 0x%x)", ca->ca_cis.manufacturer, 603 ca->ca_cis.product); 604 printf(" %s at %s", devinfo, pnp); 605 } 606 printf(" dev %d function %d", ca->ca_device, ca->ca_function); 607 608 return UNCONF; 609 } 610 611 612 613 614 615 616 /* 617 * void *cardbus_intr_establish(cc, cf, irq, level, func, arg) 618 * Interrupt handler of pccard. 619 * args: 620 * cardbus_chipset_tag_t *cc 621 * int irq: 622 */ 623 void * 624 cardbus_intr_establish(cc, cf, irq, level, func, arg) 625 cardbus_chipset_tag_t cc; 626 cardbus_function_tag_t cf; 627 cardbus_intr_handle_t irq; 628 int level; 629 int (*func) __P((void *)); 630 void *arg; 631 { 632 DPRINTF(("- cardbus_intr_establish: irq %d\n", irq)); 633 634 return (*cf->cardbus_intr_establish)(cc, irq, level, func, arg); 635 } 636 637 638 639 /* 640 * void cardbus_intr_disestablish(cc, cf, handler) 641 * Interrupt handler of pccard. 642 * args: 643 * cardbus_chipset_tag_t *cc 644 */ 645 void 646 cardbus_intr_disestablish(cc, cf, handler) 647 cardbus_chipset_tag_t cc; 648 cardbus_function_tag_t cf; 649 void *handler; 650 { 651 DPRINTF(("- pccard_intr_disestablish\n")); 652 653 (*cf->cardbus_intr_disestablish)(cc, handler); 654 return; 655 } 656 657 658 659 /* XXX this should be merged with cardbus_function_{enable,disable}, 660 but we don't have a ct when these functions are called */ 661 662 static void 663 enable_function(sc, cdstatus, function) 664 struct cardbus_softc *sc; 665 int cdstatus; 666 int function; 667 { 668 if(sc->sc_poweron_func == 0) { 669 if (cdstatus & CARDBUS_3V_CARD) { 670 sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_3V); 671 } 672 (sc->sc_cf->cardbus_ctrl)(sc->sc_cc, CARDBUS_RESET); 673 } 674 sc->sc_poweron_func |= (1 << function); 675 } 676 677 static void 678 disable_function(sc, function) 679 struct cardbus_softc *sc; 680 int function; 681 { 682 sc->sc_poweron_func &= ~(1 << function); 683 if(sc->sc_poweron_func == 0) { 684 /* power-off because no functions are enabled */ 685 sc->sc_cf->cardbus_power(sc->sc_cc, CARDBUS_VCC_0V); 686 } 687 } 688 689 /* 690 * int cardbus_function_enable(struct cardbus_softc *sc, int func) 691 * 692 * This function enables a function on a card. When no power is 693 * applied on the card, power will be applied on it. 694 */ 695 int 696 cardbus_function_enable(sc, func) 697 struct cardbus_softc *sc; 698 int func; 699 { 700 cardbus_chipset_tag_t cc = sc->sc_cc; 701 cardbus_function_tag_t cf = sc->sc_cf; 702 cardbusreg_t command; 703 cardbustag_t tag; 704 705 DPRINTF(("entering cardbus_function_enable... ")); 706 707 /* entering critical area */ 708 709 enable_function(sc, CARDBUS_3V_CARD, func); /* XXX: sc_vold should be used */ 710 711 /* exiting critical area */ 712 713 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, func); 714 715 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 716 command |= (CARDBUS_COMMAND_MEM_ENABLE | CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE); /* XXX: good guess needed */ 717 718 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, command); 719 720 cardbus_free_tag(cc, cf, tag); 721 722 DPRINTF(("%x\n", sc->sc_poweron_func)); 723 724 return 0; 725 } 726 727 728 /* 729 * int cardbus_function_disable(struct cardbus_softc *, int func) 730 * 731 * This function disable a function on a card. When no functions are 732 * enabled, it turns off the power. 733 */ 734 int 735 cardbus_function_disable(sc, func) 736 struct cardbus_softc *sc; 737 int func; 738 { 739 740 DPRINTF(("entering cardbus_function_disable... ")); 741 742 disable_function(sc, func); 743 744 return 0; 745 } 746 747 748 749 750 751 752 753 /* 754 * below this line, there are some functions for decoding tuples. 755 * They should go out from this file. 756 */ 757 758 static u_int8_t * 759 decode_tuple __P((u_int8_t *tuple, tuple_decode_func func, void *data)); 760 761 static int 762 decode_tuples(tuple, buflen, func, data) 763 u_int8_t *tuple; 764 int buflen; 765 tuple_decode_func func; 766 void *data; 767 { 768 u_int8_t *tp = tuple; 769 770 if (CISTPL_LINKTARGET != *tuple) { 771 DPRINTF(("WRONG TUPLE: 0x%x\n", *tuple)); 772 return 0; 773 } 774 775 while (NULL != (tp = decode_tuple(tp, func, data))) { 776 if (tuple + buflen < tp) { 777 break; 778 } 779 } 780 781 return 1; 782 } 783 784 785 static u_int8_t * 786 decode_tuple(tuple, func, data) 787 u_int8_t *tuple; 788 tuple_decode_func func; 789 void *data; 790 { 791 u_int8_t type; 792 u_int8_t len; 793 794 type = tuple[0]; 795 len = tuple[1] + 2; 796 797 (*func)(tuple, len, data); 798 799 if (CISTPL_END == type) { 800 return NULL; 801 } 802 803 return tuple + len; 804 } 805 806 807 #ifdef CARDBUS_DEBUG 808 static char *tuple_name __P((int type)); 809 810 static char * 811 tuple_name(type) 812 int type; 813 { 814 static char *tuple_name_s [] = { 815 "TPL_NULL", "TPL_DEVICE", "Reserved", "Reserved", /* 0-3 */ 816 "CONFIG_CB", "CFTABLE_ENTRY_CB", "Reserved", "BAR", /* 4-7 */ 817 "Reserved", "Reserved", "Reserved", "Reserved", /* 8-B */ 818 "Reserved", "Reserved", "Reserved", "Reserved", /* C-F */ 819 "CHECKSUM", "LONGLINK_A", "LONGLINK_C", "LINKTARGET", /* 10-13 */ 820 "NO_LINK", "VERS_1", "ALTSTR", "DEVICE_A", 821 "JEDEC_C", "JEDEC_A", "CONFIG", "CFTABLE_ENTRY", 822 "DEVICE_OC", "DEVICE_OA", "DEVICE_GEO", "DEVICE_GEO_A", 823 "MANFID", "FUNCID", "FUNCE", "SWIL", /* 20-23 */ 824 "Reserved", "Reserved", "Reserved", "Reserved", /* 24-27 */ 825 "Reserved", "Reserved", "Reserved", "Reserved", /* 28-2B */ 826 "Reserved", "Reserved", "Reserved", "Reserved", /* 2C-2F */ 827 "Reserved", "Reserved", "Reserved", "Reserved", /* 30-33 */ 828 "Reserved", "Reserved", "Reserved", "Reserved", /* 34-37 */ 829 "Reserved", "Reserved", "Reserved", "Reserved", /* 38-3B */ 830 "Reserved", "Reserved", "Reserved", "Reserved", /* 3C-3F */ 831 "VERS_2", "FORMAT", "GEOMETRY", "BYTEORDER", 832 "DATE", "BATTERY", "ORG" 833 }; 834 #define NAME_LEN(x) (sizeof x / sizeof(x[0])) 835 836 if (type > 0 && type < NAME_LEN(tuple_name_s)) { 837 return tuple_name_s[type]; 838 } else if (0xff == type) { 839 return "END"; 840 } else { 841 return "Reserved"; 842 } 843 } 844 845 static void 846 print_tuple(tuple, len, data) 847 u_int8_t *tuple; 848 int len; 849 void *data; 850 { 851 int i; 852 853 printf("tuple: %s len %d\n", tuple_name(tuple[0]), len); 854 855 for (i = 0; i < len; ++i) { 856 if (i % 16 == 0) { 857 printf(" 0x%2x:", i); 858 } 859 printf(" %x",tuple[i]); 860 if (i % 16 == 15) { 861 printf("\n"); 862 } 863 } 864 if (i % 16 != 0) { 865 printf("\n"); 866 } 867 } 868 869 #endif 870 871
Indexes created Mon Sep 29 21:09:56 GMT 2025