cardbus.c revision 1.37
1 /* $NetBSD: cardbus.c,v 1.37 2001/11/13 12:51:12 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998, 1999 and 2000 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 <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: cardbus.c,v 1.37 2001/11/13 12:51:12 lukem Exp $"); 37 38 #include "opt_cardbus.h" 39 40 #include <sys/types.h> 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 #include <sys/kernel.h> 46 #include <sys/syslog.h> 47 #include <sys/proc.h> 48 #include <sys/reboot.h> /* for AB_* needed by bootverbose */ 49 50 #include <machine/bus.h> 51 52 #include <dev/cardbus/cardbusvar.h> 53 #include <dev/cardbus/cardbusdevs.h> 54 55 #include <dev/cardbus/cardbus_exrom.h> 56 57 #include <dev/pci/pcivar.h> /* XXX */ 58 #include <dev/pci/pcireg.h> /* XXX */ 59 60 #include <dev/pcmcia/pcmciareg.h> 61 62 #if defined CARDBUS_DEBUG 63 #define STATIC 64 #define DPRINTF(a) printf a 65 #else 66 #define STATIC static 67 #define DPRINTF(a) 68 #endif 69 70 71 STATIC void cardbusattach(struct device *, struct device *, void *); 72 int cardbus_attach_card(struct cardbus_softc *); 73 74 STATIC int cardbusmatch(struct device *, struct cfdata *, void *); 75 static int cardbussubmatch(struct device *, struct cfdata *, void *); 76 static int cardbusprint(void *, const char *); 77 78 typedef void (*tuple_decode_func)(u_int8_t*, int, void*); 79 80 static int decode_tuples(u_int8_t *, int, tuple_decode_func, void*); 81 #ifdef CARDBUS_DEBUG 82 static void print_tuple(u_int8_t*, int, void*); 83 #endif 84 85 static int cardbus_read_tuples(struct cardbus_attach_args *, 86 cardbusreg_t, u_int8_t *, size_t); 87 88 static void enable_function(struct cardbus_softc *, int, int); 89 static void disable_function(struct cardbus_softc *, int); 90 91 struct cfattach cardbus_ca = { 92 sizeof(struct cardbus_softc), cardbusmatch, cardbusattach 93 }; 94 95 #ifndef __NetBSD_Version__ 96 struct cfdriver cardbus_cd = { 97 NULL, "cardbus", DV_DULL 98 }; 99 #endif 100 101 102 STATIC int 103 cardbusmatch(struct device *parent, struct cfdata *cf, void *aux) 104 { 105 struct cbslot_attach_args *cba = aux; 106 107 if (strcmp(cba->cba_busname, cf->cf_driver->cd_name)) { 108 DPRINTF(("cardbusmatch: busname differs %s <=> %s\n", 109 cba->cba_busname, cf->cf_driver->cd_name)); 110 return (0); 111 } 112 113 return (1); 114 } 115 116 STATIC void 117 cardbusattach(struct device *parent, struct device *self, void *aux) 118 { 119 struct cardbus_softc *sc = (void *)self; 120 struct cbslot_attach_args *cba = aux; 121 122 sc->sc_bus = cba->cba_bus; 123 sc->sc_device = 0; 124 sc->sc_intrline = cba->cba_intrline; 125 sc->sc_cacheline = cba->cba_cacheline; 126 sc->sc_lattimer = cba->cba_lattimer; 127 128 printf(": bus %d device %d", sc->sc_bus, sc->sc_device); 129 if (bootverbose) 130 printf(" cacheline 0x%x, lattimer 0x%x", sc->sc_cacheline, 131 sc->sc_lattimer); 132 printf("\n"); 133 134 sc->sc_iot = cba->cba_iot; /* CardBus I/O space tag */ 135 sc->sc_memt = cba->cba_memt; /* CardBus MEM space tag */ 136 sc->sc_dmat = cba->cba_dmat; /* DMA tag */ 137 sc->sc_cc = cba->cba_cc; 138 sc->sc_cf = cba->cba_cf; 139 140 #if rbus 141 sc->sc_rbus_iot = cba->cba_rbus_iot; 142 sc->sc_rbus_memt = cba->cba_rbus_memt; 143 #endif 144 145 sc->sc_funcs = NULL; 146 } 147 148 static int 149 cardbus_read_tuples(struct cardbus_attach_args *ca, cardbusreg_t cis_ptr, 150 u_int8_t *tuples, size_t len) 151 { 152 struct cardbus_softc *sc = ca->ca_ct->ct_sc; 153 cardbus_chipset_tag_t cc = ca->ca_ct->ct_cc; 154 cardbus_function_tag_t cf = ca->ca_ct->ct_cf; 155 cardbustag_t tag = ca->ca_tag; 156 cardbusreg_t command; 157 bus_space_tag_t bar_tag; 158 bus_space_handle_t bar_memh; 159 bus_size_t bar_size; 160 bus_addr_t bar_addr; 161 cardbusreg_t reg; 162 int found = 0; 163 int cardbus_space = cis_ptr & CARDBUS_CIS_ASIMASK; 164 int i, j; 165 166 memset(tuples, 0, len); 167 168 cis_ptr = cis_ptr & CARDBUS_CIS_ADDRMASK; 169 170 switch (cardbus_space) { 171 case CARDBUS_CIS_ASI_TUPLE: 172 DPRINTF(("%s: reading CIS data from configuration space\n", 173 sc->sc_dev.dv_xname)); 174 for (i = cis_ptr, j = 0; i < 0xff; i += 4) { 175 u_int32_t e = (*cf->cardbus_conf_read)(cc, tag, i); 176 tuples[j] = 0xff & e; 177 e >>= 8; 178 tuples[j + 1] = 0xff & e; 179 e >>= 8; 180 tuples[j + 2] = 0xff & e; 181 e >>= 8; 182 tuples[j + 3] = 0xff & e; 183 j += 4; 184 } 185 found++; 186 break; 187 188 case CARDBUS_CIS_ASI_BAR0: 189 case CARDBUS_CIS_ASI_BAR1: 190 case CARDBUS_CIS_ASI_BAR2: 191 case CARDBUS_CIS_ASI_BAR3: 192 case CARDBUS_CIS_ASI_BAR4: 193 case CARDBUS_CIS_ASI_BAR5: 194 case CARDBUS_CIS_ASI_ROM: 195 if (cardbus_space == CARDBUS_CIS_ASI_ROM) { 196 reg = CARDBUS_ROM_REG; 197 DPRINTF(("%s: reading CIS data from ROM\n", 198 sc->sc_dev.dv_xname)); 199 } else { 200 reg = CARDBUS_BASE0_REG + (cardbus_space - 1) * 4; 201 DPRINTF(("%s: reading CIS data from BAR%d\n", 202 sc->sc_dev.dv_xname, cardbus_space - 1)); 203 } 204 205 /* 206 * XXX zero register so mapreg_map doesn't get confused by old 207 * contents. 208 */ 209 cardbus_conf_write(cc, cf, tag, reg, 0); 210 if (Cardbus_mapreg_map(ca->ca_ct, reg, 211 CARDBUS_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 212 0, &bar_tag, &bar_memh, &bar_addr, &bar_size)) { 213 printf("%s: failed to map memory\n", 214 sc->sc_dev.dv_xname); 215 return (1); 216 } 217 218 if (cardbus_space == CARDBUS_CIS_ASI_ROM) { 219 cardbusreg_t exrom; 220 int save; 221 struct cardbus_rom_image_head rom_image; 222 struct cardbus_rom_image *p; 223 224 save = splhigh(); 225 /* enable rom address decoder */ 226 exrom = cardbus_conf_read(cc, cf, tag, reg); 227 cardbus_conf_write(cc, cf, tag, reg, exrom | 1); 228 229 command = cardbus_conf_read(cc, cf, tag, 230 CARDBUS_COMMAND_STATUS_REG); 231 cardbus_conf_write(cc, cf, tag, 232 CARDBUS_COMMAND_STATUS_REG, 233 command | CARDBUS_COMMAND_MEM_ENABLE); 234 235 if (cardbus_read_exrom(ca->ca_memt, bar_memh, 236 &rom_image)) 237 goto out; 238 239 for (p = SIMPLEQ_FIRST(&rom_image); p != NULL; 240 p = SIMPLEQ_NEXT(p, next)) { 241 if (p->rom_image == 242 CARDBUS_CIS_ASI_ROM_IMAGE(cis_ptr)) { 243 bus_space_read_region_1(p->romt, 244 p->romh, CARDBUS_CIS_ADDR(cis_ptr), 245 tuples, 256); 246 found++; 247 } 248 break; 249 } 250 while ((p = SIMPLEQ_FIRST(&rom_image)) != NULL) { 251 SIMPLEQ_REMOVE_HEAD(&rom_image, p, next); 252 free(p, M_DEVBUF); 253 } 254 out: 255 exrom = cardbus_conf_read(cc, cf, tag, reg); 256 cardbus_conf_write(cc, cf, tag, reg, exrom & ~1); 257 splx(save); 258 } else { 259 command = cardbus_conf_read(cc, cf, tag, 260 CARDBUS_COMMAND_STATUS_REG); 261 cardbus_conf_write(cc, cf, tag, 262 CARDBUS_COMMAND_STATUS_REG, 263 command | CARDBUS_COMMAND_MEM_ENABLE); 264 /* XXX byte order? */ 265 bus_space_read_region_1(ca->ca_memt, bar_memh, 266 cis_ptr, tuples, 256); 267 found++; 268 } 269 command = cardbus_conf_read(cc, cf, tag, 270 CARDBUS_COMMAND_STATUS_REG); 271 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 272 command & ~CARDBUS_COMMAND_MEM_ENABLE); 273 cardbus_conf_write(cc, cf, tag, reg, 0); 274 275 Cardbus_mapreg_unmap(ca->ca_ct, reg, bar_tag, bar_memh, 276 bar_size); 277 break; 278 279 #ifdef DIAGNOSTIC 280 default: 281 panic("%s: bad CIS space (%d)", sc->sc_dev.dv_xname, 282 cardbus_space); 283 #endif 284 } 285 return (!found); 286 } 287 288 static void 289 parse_tuple(u_int8_t *tuple, int len, void *data) 290 { 291 #ifdef CARDBUS_DEBUG 292 static const char __func__[] = "parse_tuple"; 293 #endif 294 struct cardbus_cis_info *cis = data; 295 char *p; 296 int i, bar_index; 297 298 switch (tuple[0]) { 299 case PCMCIA_CISTPL_MANFID: 300 if (tuple[1] != 5) { 301 DPRINTF(("%s: wrong length manufacturer id (%d)\n", 302 __func__, tuple[1])); 303 break; 304 } 305 cis->manufacturer = tuple[2] | (tuple[3] << 8); 306 cis->product = tuple[4] | (tuple[5] << 8); 307 break; 308 309 case PCMCIA_CISTPL_VERS_1: 310 memcpy(cis->cis1_info_buf, tuple + 2, tuple[1]); 311 i = 0; 312 p = cis->cis1_info_buf + 2; 313 while (i < 314 sizeof(cis->cis1_info) / sizeof(cis->cis1_info[0])) { 315 cis->cis1_info[i++] = p; 316 while (*p != '\0' && *p != '\xff') 317 p++; 318 if (*p == '\xff') 319 break; 320 p++; 321 } 322 break; 323 324 case PCMCIA_CISTPL_BAR: 325 if (tuple[1] != 6) { 326 DPRINTF(("%s: BAR with short length (%d)\n", 327 __func__, tuple[1])); 328 break; 329 } 330 bar_index = tuple[2] & 7; 331 if (bar_index == 0) { 332 DPRINTF(("%s: invalid ASI in BAR tuple\n", __func__)); 333 break; 334 } 335 bar_index--; 336 cis->bar[bar_index].flags = tuple[2]; 337 cis->bar[bar_index].size = 338 (tuple[4] << 0) | 339 (tuple[5] << 8) | 340 (tuple[6] << 16) | 341 (tuple[7] << 24); 342 break; 343 344 case PCMCIA_CISTPL_FUNCID: 345 cis->funcid = tuple[2]; 346 break; 347 348 case PCMCIA_CISTPL_FUNCE: 349 switch (cis->funcid) { 350 case PCMCIA_FUNCTION_SERIAL: 351 if (tuple[1] >= 2 && 352 /* XXX PCMCIA_TPLFE_TYPE_SERIAL_??? */ 353 tuple[2] == 0) { 354 cis->funce.serial.uart_type = tuple[3] & 0x1f; 355 cis->funce.serial.uart_present = 1; 356 } 357 break; 358 359 case PCMCIA_FUNCTION_NETWORK: 360 if (tuple[1] >= 8 && 361 tuple[2] == PCMCIA_TPLFE_TYPE_LAN_NID) { 362 if (tuple[3] > 363 sizeof(cis->funce.network.netid)) { 364 DPRINTF(("%s: unknown network id type " 365 "(len = %d)\n", 366 __func__, tuple[3])); 367 } else { 368 cis->funce.network.netid_present = 1; 369 memcpy(cis->funce.network.netid, 370 tuple + 4, tuple[3]); 371 } 372 } 373 break; 374 } 375 break; 376 } 377 } 378 379 /* 380 * int cardbus_attach_card(struct cardbus_softc *sc) 381 * 382 * This function attaches the card on the slot: turns on power, 383 * reads and analyses tuple, sets configuration index. 384 * 385 * This function returns the number of recognised device functions. 386 * If no functions are recognised, return 0. 387 */ 388 int 389 cardbus_attach_card(struct cardbus_softc *sc) 390 { 391 cardbus_chipset_tag_t cc; 392 cardbus_function_tag_t cf; 393 cardbustag_t tag; 394 cardbusreg_t id, class, cis_ptr; 395 cardbusreg_t bhlc; 396 u_int8_t tuple[2048]; 397 int cdstatus; 398 int function, nfunction; 399 struct cardbus_devfunc **previous_next = &(sc->sc_funcs); 400 struct device *csc; 401 int no_work_funcs = 0; 402 cardbus_devfunc_t ct; 403 404 cc = sc->sc_cc; 405 cf = sc->sc_cf; 406 407 DPRINTF(("cardbus_attach_card: cb%d start\n", sc->sc_dev.dv_unit)); 408 409 /* inspect initial voltage */ 410 if ((cdstatus = (*cf->cardbus_ctrl)(cc, CARDBUS_CD)) == 0) { 411 DPRINTF(("cardbusattach: no CardBus card on cb%d\n", 412 sc->sc_dev.dv_unit)); 413 return (0); 414 } 415 416 /* 417 * XXX use fake function 8 to keep power on during whole 418 * configuration. 419 */ 420 enable_function(sc, cdstatus, 8); 421 function = 0; 422 423 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, function); 424 425 /* 426 * Wait until power comes up. Maxmum 500 ms. 427 */ 428 { 429 int i; 430 431 for (i = 0; i < 5; ++i) { 432 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 433 if (id != 0xffffffff && id != 0) { 434 break; 435 } 436 if (cold) { /* before kernel thread invoked */ 437 delay(100 * 1000); 438 } else { /* thread context */ 439 if (tsleep((void *)sc, PCATCH, "cardbus", 440 hz / 10) != EWOULDBLOCK) { 441 break; 442 } 443 } 444 } 445 if (i == 5) { 446 return (0); 447 } 448 } 449 450 bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG); 451 DPRINTF(("%s bhlc 0x%08x -> ", sc->sc_dev.dv_xname, bhlc)); 452 nfunction = CARDBUS_HDRTYPE_MULTIFN(bhlc) ? 8 : 1; 453 454 for (function = 0; function < nfunction; function++) { 455 struct cardbus_attach_args ca; 456 457 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, 458 function); 459 460 id = cardbus_conf_read(cc, cf, tag, CARDBUS_ID_REG); 461 class = cardbus_conf_read(cc, cf, tag, CARDBUS_CLASS_REG); 462 cis_ptr = cardbus_conf_read(cc, cf, tag, CARDBUS_CIS_REG); 463 464 /* Invalid vendor ID value? */ 465 if (CARDBUS_VENDOR(id) == CARDBUS_VENDOR_INVALID) { 466 continue; 467 } 468 469 DPRINTF(("cardbus_attach_card: " 470 "Vendor 0x%x, Product 0x%x, CIS 0x%x\n", 471 CARDBUS_VENDOR(id), CARDBUS_PRODUCT(id), cis_ptr)); 472 473 enable_function(sc, cdstatus, function); 474 475 /* clean up every BAR */ 476 cardbus_conf_write(cc, cf, tag, CARDBUS_BASE0_REG, 0); 477 cardbus_conf_write(cc, cf, tag, CARDBUS_BASE1_REG, 0); 478 cardbus_conf_write(cc, cf, tag, CARDBUS_BASE2_REG, 0); 479 cardbus_conf_write(cc, cf, tag, CARDBUS_BASE3_REG, 0); 480 cardbus_conf_write(cc, cf, tag, CARDBUS_BASE4_REG, 0); 481 cardbus_conf_write(cc, cf, tag, CARDBUS_BASE5_REG, 0); 482 cardbus_conf_write(cc, cf, tag, CARDBUS_ROM_REG, 0); 483 484 /* set initial latency and cacheline size */ 485 bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG); 486 DPRINTF(("%s func%d bhlc 0x%08x -> ", sc->sc_dev.dv_xname, 487 function, bhlc)); 488 bhlc &= ~((CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT) | 489 (CARDBUS_CACHELINE_MASK << CARDBUS_CACHELINE_SHIFT)); 490 bhlc |= ((sc->sc_cacheline & CARDBUS_CACHELINE_MASK) << CARDBUS_CACHELINE_SHIFT); 491 bhlc |= ((sc->sc_lattimer & CARDBUS_LATTIMER_MASK) << CARDBUS_LATTIMER_SHIFT); 492 493 cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG, bhlc); 494 bhlc = cardbus_conf_read(cc, cf, tag, CARDBUS_BHLC_REG); 495 DPRINTF(("0x%08x\n", bhlc)); 496 497 if (CARDBUS_LATTIMER(bhlc) < 0x10) { 498 bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT); 499 bhlc |= (0x10 << CARDBUS_LATTIMER_SHIFT); 500 cardbus_conf_write(cc, cf, tag, CARDBUS_BHLC_REG, bhlc); 501 } 502 503 /* 504 * We need to allocate the ct here, since we might 505 * need it when reading the CIS 506 */ 507 if ((ct = malloc(sizeof(struct cardbus_devfunc), 508 M_DEVBUF, M_NOWAIT)) == NULL) { 509 panic("no room for cardbus_tag"); 510 } 511 512 ct->ct_cc = sc->sc_cc; 513 ct->ct_cf = sc->sc_cf; 514 ct->ct_bus = sc->sc_bus; 515 ct->ct_dev = sc->sc_device; 516 ct->ct_func = function; 517 ct->ct_sc = sc; 518 ct->ct_next = NULL; 519 *previous_next = ct; 520 521 memset(&ca, 0, sizeof(ca)); 522 523 ca.ca_unit = sc->sc_dev.dv_unit; 524 ca.ca_ct = ct; 525 526 ca.ca_iot = sc->sc_iot; 527 ca.ca_memt = sc->sc_memt; 528 ca.ca_dmat = sc->sc_dmat; 529 530 #if rbus 531 ca.ca_rbus_iot = sc->sc_rbus_iot; 532 ca.ca_rbus_memt= sc->sc_rbus_memt; 533 #endif 534 535 ca.ca_tag = tag; 536 ca.ca_bus = sc->sc_bus; 537 ca.ca_device = sc->sc_device; 538 ca.ca_function = function; 539 ca.ca_id = id; 540 ca.ca_class = class; 541 542 ca.ca_intrline = sc->sc_intrline; 543 544 if (cardbus_read_tuples(&ca, cis_ptr, tuple, sizeof(tuple))) { 545 printf("cardbus_attach_card: failed to read CIS\n"); 546 } else { 547 #ifdef CARDBUS_DEBUG 548 decode_tuples(tuple, 2048, print_tuple, NULL); 549 #endif 550 decode_tuples(tuple, 2048, parse_tuple, &ca.ca_cis); 551 } 552 553 if ((csc = config_found_sm((void *)sc, &ca, cardbusprint, 554 cardbussubmatch)) == NULL) { 555 /* do not match */ 556 disable_function(sc, function); 557 free(ct, M_DEVBUF); 558 *previous_next = NULL; 559 } else { 560 /* found */ 561 previous_next = &(ct->ct_next); 562 ct->ct_device = csc; 563 ++no_work_funcs; 564 } 565 } 566 /* 567 * XXX power down pseudo function 8 (this will power down the card 568 * if no functions were attached). 569 */ 570 disable_function(sc, 8); 571 572 return (no_work_funcs); 573 } 574 575 static int 576 cardbussubmatch(struct device *parent, struct cfdata *cf, void *aux) 577 { 578 struct cardbus_attach_args *ca = aux; 579 580 if (cf->cardbuscf_dev != CARDBUS_UNK_DEV && 581 cf->cardbuscf_dev != ca->ca_unit) { 582 return (0); 583 } 584 if (cf->cardbuscf_function != CARDBUS_UNK_FUNCTION && 585 cf->cardbuscf_function != ca->ca_function) { 586 return (0); 587 } 588 589 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 590 } 591 592 static int 593 cardbusprint(void *aux, const char *pnp) 594 { 595 struct cardbus_attach_args *ca = aux; 596 char devinfo[256]; 597 int i; 598 599 if (pnp) { 600 pci_devinfo(ca->ca_id, ca->ca_class, 1, devinfo); 601 for (i = 0; i < 4; i++) { 602 if (ca->ca_cis.cis1_info[i] == NULL) 603 break; 604 if (i) 605 printf(", "); 606 printf("%s", ca->ca_cis.cis1_info[i]); 607 } 608 if (bootverbose) { 609 if (i) 610 printf(" "); 611 printf("(manufacturer 0x%x, product 0x%x)", 612 ca->ca_cis.manufacturer, ca->ca_cis.product); 613 } 614 printf(" %s at %s", devinfo, pnp); 615 } 616 printf(" dev %d function %d", ca->ca_device, ca->ca_function); 617 618 return (UNCONF); 619 } 620 621 /* 622 * void cardbus_detach_card(struct cardbus_softc *sc) 623 * 624 * This function detaches the card on the slot: detach device data 625 * structure and turns off the power. 626 * 627 * This function must not be called under interrupt context. 628 */ 629 void 630 cardbus_detach_card(struct cardbus_softc *sc) 631 { 632 struct cardbus_devfunc *ct, *ct_next, **prev_next; 633 634 prev_next = &(sc->sc_funcs->ct_next); 635 636 for (ct = sc->sc_funcs; ct != NULL; ct = ct_next) { 637 struct device *fndev = ct->ct_device; 638 ct_next = ct->ct_next; 639 640 DPRINTF(("%s: detaching %s\n", sc->sc_dev.dv_xname, 641 fndev->dv_xname)); 642 /* call device detach function */ 643 644 if (0 != config_detach(fndev, 0)) { 645 printf("%s: cannot detach dev %s, function %d\n", 646 sc->sc_dev.dv_xname, fndev->dv_xname, ct->ct_func); 647 prev_next = &(ct->ct_next); 648 } else { 649 sc->sc_poweron_func &= ~(1 << ct->ct_func); 650 *prev_next = ct->ct_next; 651 free(ct, M_DEVBUF); 652 } 653 } 654 655 sc->sc_poweron_func = 0; 656 (*sc->sc_cf->cardbus_power)(sc->sc_cc, 657 CARDBUS_VCC_0V | CARDBUS_VPP_0V); 658 } 659 660 /* 661 * void *cardbus_intr_establish(cc, cf, irq, level, func, arg) 662 * Interrupt handler of pccard. 663 * args: 664 * cardbus_chipset_tag_t *cc 665 * int irq: 666 */ 667 void * 668 cardbus_intr_establish(cardbus_chipset_tag_t cc, cardbus_function_tag_t cf, 669 cardbus_intr_handle_t irq, int level, int (*func)(void *), void *arg) 670 { 671 672 DPRINTF(("- cardbus_intr_establish: irq %d\n", irq)); 673 return ((*cf->cardbus_intr_establish)(cc, irq, level, func, arg)); 674 } 675 676 /* 677 * void cardbus_intr_disestablish(cc, cf, handler) 678 * Interrupt handler of pccard. 679 * args: 680 * cardbus_chipset_tag_t *cc 681 */ 682 void 683 cardbus_intr_disestablish(cardbus_chipset_tag_t cc, cardbus_function_tag_t cf, 684 void *handler) 685 { 686 687 DPRINTF(("- pccard_intr_disestablish\n")); 688 (*cf->cardbus_intr_disestablish)(cc, handler); 689 } 690 691 /* 692 * XXX this should be merged with cardbus_function_{enable,disable}, 693 * but we don't have a ct when these functions are called. 694 */ 695 static void 696 enable_function(struct cardbus_softc *sc, int cdstatus, int function) 697 { 698 699 if (sc->sc_poweron_func == 0) { 700 /* switch to 3V and/or wait for power to stabilize */ 701 if (cdstatus & CARDBUS_3V_CARD) { 702 /* 703 * sc_poweron_func must be substituted before 704 * entering sleep, in order to avoid turn on 705 * power twice. 706 */ 707 sc->sc_poweron_func |= (1 << function); 708 (*sc->sc_cf->cardbus_power)(sc->sc_cc, CARDBUS_VCC_3V); 709 } else { 710 /* No cards other than 3.3V cards. */ 711 return; 712 } 713 (*sc->sc_cf->cardbus_ctrl)(sc->sc_cc, CARDBUS_RESET); 714 } 715 sc->sc_poweron_func |= (1 << function); 716 } 717 718 static void 719 disable_function(struct cardbus_softc *sc, int function) 720 { 721 722 sc->sc_poweron_func &= ~(1 << function); 723 if (sc->sc_poweron_func == 0) { 724 /* power-off because no functions are enabled */ 725 (*sc->sc_cf->cardbus_power)(sc->sc_cc, CARDBUS_VCC_0V); 726 } 727 } 728 729 /* 730 * int cardbus_function_enable(struct cardbus_softc *sc, int func) 731 * 732 * This function enables a function on a card. When no power is 733 * applied on the card, power will be applied on it. 734 */ 735 int 736 cardbus_function_enable(struct cardbus_softc *sc, int func) 737 { 738 cardbus_chipset_tag_t cc = sc->sc_cc; 739 cardbus_function_tag_t cf = sc->sc_cf; 740 cardbusreg_t command; 741 cardbustag_t tag; 742 743 DPRINTF(("entering cardbus_function_enable... ")); 744 745 /* entering critical area */ 746 747 /* XXX: sc_vold should be used */ 748 enable_function(sc, CARDBUS_3V_CARD, func); 749 750 /* exiting critical area */ 751 752 tag = cardbus_make_tag(cc, cf, sc->sc_bus, sc->sc_device, func); 753 754 command = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 755 command |= (CARDBUS_COMMAND_MEM_ENABLE | CARDBUS_COMMAND_IO_ENABLE | 756 CARDBUS_COMMAND_MASTER_ENABLE); /* XXX: good guess needed */ 757 758 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, command); 759 760 cardbus_free_tag(cc, cf, tag); 761 762 DPRINTF(("%x\n", sc->sc_poweron_func)); 763 764 return (0); 765 } 766 767 /* 768 * int cardbus_function_disable(struct cardbus_softc *, int func) 769 * 770 * This function disable a function on a card. When no functions are 771 * enabled, it turns off the power. 772 */ 773 int 774 cardbus_function_disable(struct cardbus_softc *sc, int func) 775 { 776 777 DPRINTF(("entering cardbus_function_disable... ")); 778 779 disable_function(sc, func); 780 781 return (0); 782 } 783 784 /* 785 * int cardbus_get_capability(cardbus_chipset_tag_t cc, 786 * cardbus_function_tag_t cf, cardbustag_t tag, int capid, int *offset, 787 * cardbusreg_t *value) 788 * 789 * Find the specified PCI capability. 790 */ 791 int 792 cardbus_get_capability(cardbus_chipset_tag_t cc, cardbus_function_tag_t cf, 793 cardbustag_t tag, int capid, int *offset, cardbusreg_t *value) 794 { 795 cardbusreg_t reg; 796 unsigned int ofs; 797 798 reg = cardbus_conf_read(cc, cf, tag, PCI_COMMAND_STATUS_REG); 799 if (!(reg & PCI_STATUS_CAPLIST_SUPPORT)) 800 return (0); 801 802 ofs = PCI_CAPLIST_PTR(cardbus_conf_read(cc, cf, tag, 803 PCI_CAPLISTPTR_REG)); 804 while (ofs != 0) { 805 #ifdef DIAGNOSTIC 806 if ((ofs & 3) || (ofs < 0x40)) 807 panic("cardbus_get_capability"); 808 #endif 809 reg = cardbus_conf_read(cc, cf, tag, ofs); 810 if (PCI_CAPLIST_CAP(reg) == capid) { 811 if (offset) 812 *offset = ofs; 813 if (value) 814 *value = reg; 815 return (1); 816 } 817 ofs = PCI_CAPLIST_NEXT(reg); 818 } 819 820 return (0); 821 } 822 823 /* 824 * below this line, there are some functions for decoding tuples. 825 * They should go out from this file. 826 */ 827 828 static u_int8_t * 829 decode_tuple(u_int8_t *tuple, tuple_decode_func func, void *data); 830 831 static int 832 decode_tuples(u_int8_t *tuple, int buflen, tuple_decode_func func, void *data) 833 { 834 u_int8_t *tp = tuple; 835 836 if (PCMCIA_CISTPL_LINKTARGET != *tuple) { 837 DPRINTF(("WRONG TUPLE: 0x%x\n", *tuple)); 838 return (0); 839 } 840 841 while (NULL != (tp = decode_tuple(tp, func, data))) { 842 if (tuple + buflen < tp) { 843 break; 844 } 845 } 846 847 return (1); 848 } 849 850 static u_int8_t * 851 decode_tuple(u_int8_t *tuple, tuple_decode_func func, void *data) 852 { 853 u_int8_t type; 854 u_int8_t len; 855 856 type = tuple[0]; 857 len = tuple[1] + 2; 858 859 (*func)(tuple, len, data); 860 861 if (type == PCMCIA_CISTPL_END) { 862 return (NULL); 863 } 864 865 return (tuple + len); 866 } 867 868 #ifdef CARDBUS_DEBUG 869 static const char *tuple_name(int); 870 static const char *tuple_names[] = { 871 "TPL_NULL", "TPL_DEVICE", "Reserved", "Reserved", /* 0-3 */ 872 "CONFIG_CB", "CFTABLE_ENTRY_CB", "Reserved", "BAR", /* 4-7 */ 873 "Reserved", "Reserved", "Reserved", "Reserved", /* 8-B */ 874 "Reserved", "Reserved", "Reserved", "Reserved", /* C-F */ 875 "CHECKSUM", "LONGLINK_A", "LONGLINK_C", "LINKTARGET", /* 10-13 */ 876 "NO_LINK", "VERS_1", "ALTSTR", "DEVICE_A", 877 "JEDEC_C", "JEDEC_A", "CONFIG", "CFTABLE_ENTRY", 878 "DEVICE_OC", "DEVICE_OA", "DEVICE_GEO", "DEVICE_GEO_A", 879 "MANFID", "FUNCID", "FUNCE", "SWIL", /* 20-23 */ 880 "Reserved", "Reserved", "Reserved", "Reserved", /* 24-27 */ 881 "Reserved", "Reserved", "Reserved", "Reserved", /* 28-2B */ 882 "Reserved", "Reserved", "Reserved", "Reserved", /* 2C-2F */ 883 "Reserved", "Reserved", "Reserved", "Reserved", /* 30-33 */ 884 "Reserved", "Reserved", "Reserved", "Reserved", /* 34-37 */ 885 "Reserved", "Reserved", "Reserved", "Reserved", /* 38-3B */ 886 "Reserved", "Reserved", "Reserved", "Reserved", /* 3C-3F */ 887 "VERS_2", "FORMAT", "GEOMETRY", "BYTEORDER", 888 "DATE", "BATTERY", "ORG" 889 }; 890 #define NAME_LEN(x) (sizeof x / sizeof(x[0])) 891 892 static const char * 893 tuple_name(int type) 894 { 895 896 if (0 <= type && type < NAME_LEN(tuple_names)) { 897 return (tuple_names[type]); 898 } else if (type == 0xff) { 899 return ("END"); 900 } else { 901 return ("Reserved"); 902 } 903 } 904 905 static void 906 print_tuple(u_int8_t *tuple, int len, void *data) 907 { 908 int i; 909 910 printf("tuple: %s len %d\n", tuple_name(tuple[0]), len); 911 912 for (i = 0; i < len; ++i) { 913 if (i % 16 == 0) { 914 printf(" 0x%2x:", i); 915 } 916 printf(" %x", tuple[i]); 917 if (i % 16 == 15) { 918 printf("\n"); 919 } 920 } 921 if (i % 16 != 0) { 922 printf("\n"); 923 } 924 } 925 #endif 926
Indexes created Tue Sep 30 07:10:03 GMT 2025