pccard.c revision 71322
1/* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */ 2/* $FreeBSD: head/sys/dev/pccard/pccard.c 71322 2001-01-21 08:09:00Z imp $ */ 3 4/* 5 * Copyright (c) 1997 Marc Horowitz. 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 Marc Horowitz. 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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/malloc.h> 36#include <sys/module.h> 37#include <sys/kernel.h> 38#include <sys/queue.h> 39#include <sys/types.h> 40 41#include <sys/bus.h> 42#include <machine/bus.h> 43#include <sys/rman.h> 44#include <machine/resource.h> 45 46#include <dev/pccard/pccardreg.h> 47#include <dev/pccard/pccardvar.h> 48 49#include "power_if.h" 50#include "card_if.h" 51 52#define PCCARDDEBUG 53 54#ifdef PCCARDDEBUG 55int pccard_debug = 1; 56#define DPRINTF(arg) if (pccard_debug) printf arg 57#define DEVPRINTF(arg) if (pccard_debug) device_printf arg 58#define PRVERBOSE(arg) printf arg 59#define DEVPRVERBOSE(arg) device_printf arg 60#else 61#define DPRINTF(arg) 62#define DEVPRINTF(arg) 63#define PRVERBOSE(arg) if (bootverbose) printf arg 64#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg 65#endif 66 67#ifdef PCCARDVERBOSE 68int pccard_verbose = 1; 69#else 70int pccard_verbose = 0; 71#endif 72 73int pccard_print(void *, const char *); 74 75int 76pccard_ccr_read(pf, ccr) 77 struct pccard_function *pf; 78 int ccr; 79{ 80 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 81 pf->pf_ccr_offset + ccr)); 82} 83 84void 85pccard_ccr_write(pf, ccr, val) 86 struct pccard_function *pf; 87 int ccr; 88 int val; 89{ 90 91 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 92 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 93 pf->pf_ccr_offset + ccr, val); 94 } 95} 96 97static int 98pccard_attach_card(device_t dev) 99{ 100 struct pccard_softc *sc = PCCARD_SOFTC(dev); 101 struct pccard_function *pf; 102 struct pccard_ivar *ivar; 103 device_t child; 104 int attached; 105 106 sc->intr_handler_count = 0; 107 /* 108 * this is here so that when socket_enable calls gettype, trt happens 109 */ 110 STAILQ_INIT(&sc->card.pf_head); 111 112 DEVPRINTF((dev, "chip_socket_enable\n")); 113 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 114 115 DEVPRINTF((dev, "read_cis\n")); 116 pccard_read_cis(sc); 117 118 DEVPRINTF((dev, "check_cis_quirks\n")); 119 pccard_check_cis_quirks(dev); 120 121 /* 122 * bail now if the card has no functions, or if there was an error in 123 * the cis. 124 */ 125 126 if (sc->card.error) { 127 device_printf (dev, "CARD ERROR!\n"); 128 return (1); 129 } 130 if (STAILQ_EMPTY(&sc->card.pf_head)) { 131 device_printf (dev, "Card has no functions!\n"); 132 return (1); 133 } 134 135 if (1) 136 pccard_print_cis(dev); 137 138 attached = 0; 139 140 DEVPRINTF((dev, "functions scanning\n")); 141 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 142 if (STAILQ_EMPTY(&pf->cfe_head)) 143 continue; 144 145 pf->sc = sc; 146 pf->cfe = NULL; 147 pf->dev = NULL; 148 } 149#if 0 150 DEVPRINTF((dev, "chip_socket_disable\n")); 151 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 152#endif 153 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 154 if (STAILQ_EMPTY(&pf->cfe_head)) 155 continue; 156 /* 157 * In NetBSD, the drivers are responsible for activating 158 * each function of a card. I think that in FreeBSD we 159 * want to activate them enough for the usual bus_*_resource 160 * routines will do the right thing. This many mean a 161 * departure from the current NetBSD model. 162 * 163 * This could get really ugly for multifunction cards. But 164 * it might also just fall out of the FreeBSD resource model. 165 * 166 */ 167 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, 168 M_WAITOK | M_ZERO); 169 child = device_add_child(dev, NULL, -1); 170 device_set_ivars(child, ivar); 171 ivar->fcn = pf; 172 pf->dev = child; 173 /* 174 * XXX We might want to move the next two lines into 175 * XXX the pccard interface layer. For the moment, this 176 * XXX is OK, but some drivers want to pick the config 177 * XXX entry to use as well as some address tweaks (mostly 178 * XXX due to bugs in decode logic that makes some 179 * XXX addresses illegal or broken). 180 */ 181 pccard_function_init(pf); 182 if (pccard_function_enable(pf) == 0 && 183 device_probe_and_attach(child) == 0) { 184 attached++; 185 186 DEVPRINTF((sc->dev, "function %d CCR at %d " 187 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 188 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 189 pccard_ccr_read(pf, 0x00), 190 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 191 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 192 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 193 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 194 } else { 195 device_delete_child(dev, child); 196 } 197 } 198 return 0; 199} 200 201static int 202pccard_detach_card(device_t dev, int flags) 203{ 204 struct pccard_softc *sc = PCCARD_SOFTC(dev); 205 struct pccard_function *pf; 206 207 /* 208 * We are running on either the PCCARD socket's event thread 209 * or in user context detaching a device by user request. 210 */ 211 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 212 if (STAILQ_FIRST(&pf->cfe_head) == NULL) 213 continue; 214 215 pccard_function_disable(pf); 216 /* 217 * XXX must also actually delete resources created by 218 * pccard_function_init() 219 */ 220 if (pf->dev) 221 device_delete_child(dev, pf->dev); 222 } 223 return 0; 224} 225 226const struct pccard_product * 227pccard_product_lookup(device_t dev, const struct pccard_product *tab, 228 size_t ent_size, pccard_product_match_fn matchfn) 229{ 230 const struct pccard_product *ent; 231 int matches; 232 u_int32_t fcn; 233 u_int32_t vendor; 234 u_int32_t prod; 235 char *vendorstr; 236 char *prodstr; 237 238#ifdef DIAGNOSTIC 239 if (sizeof *ent > ent_size) 240 panic("pccard_product_lookup: bogus ent_size %ld", 241 (long) ent_size); 242#endif 243 if (pccard_get_vendor(dev, &vendor)) 244 return (NULL); 245 if (pccard_get_product(dev, &prod)) 246 return (NULL); 247 if (pccard_get_function_number(dev, &fcn)) 248 return (NULL); 249 if (pccard_get_vendor_str(dev, &vendorstr)) 250 return (NULL); 251 if (pccard_get_product_str(dev, &prodstr)) 252 return (NULL); 253 for (ent = tab; ent->pp_name != NULL; 254 ent = (const struct pccard_product *) 255 ((const char *) ent + ent_size)) { 256 matches = 1; 257 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 258 vendor != ent->pp_vendor) 259 matches = 0; 260 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 261 prod != ent->pp_product) 262 matches = 0; 263 if (matches && fcn != ent->pp_expfunc) 264 matches = 0; 265 if (matches && ent->pp_cis[0] && 266 strcmp(ent->pp_cis[0], vendorstr) != 0) 267 matches = 0; 268 if (matches && ent->pp_cis[1] && 269 strcmp(ent->pp_cis[1], prodstr) != 0) 270 matches = 0; 271 /* XXX need to match cis[2] and cis[3] also XXX */ 272 if (matchfn != NULL) 273 matches = (*matchfn)(dev, ent, matches); 274 if (matches) 275 return (ent); 276 } 277 return (NULL); 278} 279 280static int 281pccard_card_gettype(device_t dev, int *type) 282{ 283 struct pccard_softc *sc = PCCARD_SOFTC(dev); 284 struct pccard_function *pf; 285 286 /* 287 * set the iftype to memory if this card has no functions (not yet 288 * probed), or only one function, and that is not initialized yet or 289 * that is memory. 290 */ 291 pf = STAILQ_FIRST(&sc->card.pf_head); 292 if (pf == NULL || 293 (STAILQ_NEXT(pf, pf_list) == NULL && 294 (pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY))) 295 *type = PCCARD_IFTYPE_MEMORY; 296 else 297 *type = PCCARD_IFTYPE_IO; 298 return 0; 299} 300 301/* 302 * Initialize a PCCARD function. May be called as long as the function is 303 * disabled. 304 */ 305void 306pccard_function_init(struct pccard_function *pf) 307{ 308 struct pccard_config_entry *cfe; 309 int i; 310 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 311 struct resource_list *rl = &devi->resources; 312 struct resource_list_entry *rle; 313 struct resource *r = 0; 314 device_t bus; 315 int start; 316 int end; 317 318 if (pf->pf_flags & PFF_ENABLED) { 319 printf("pccard_function_init: function is enabled"); 320 return; 321 } 322 bus = device_get_parent(pf->dev); 323 /* Remember which configuration entry we are using. */ 324 for (cfe = STAILQ_FIRST(&pf->cfe_head); cfe != NULL; 325 cfe = STAILQ_NEXT(cfe, cfe_list)) { 326 for (i = 0; i < cfe->num_iospace; i++) 327 cfe->iores[i] = NULL; 328 cfe->irqres = NULL; 329 for (i = 0; i < cfe->num_iospace; i++) { 330 start = cfe->iospace[i].start; 331 if (start) 332 end = start + cfe->iospace[i].length - 1; 333 else 334 end = ~0; 335 cfe->iorid[i] = i; 336 r = cfe->iores[i] = bus_alloc_resource(bus, 337 SYS_RES_IOPORT, &cfe->iorid[i], start, end, 338 cfe->iospace[i].length, 339 rman_make_alignment_flags(cfe->iospace[i].length)); 340 if (cfe->iores[i] == 0) 341 goto not_this_one; 342 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i], 343 rman_get_start(r), rman_get_end(r), 344 cfe->iospace[i].length); 345 { 346 rle = resource_list_find(rl, SYS_RES_IOPORT, 347 cfe->iorid[i]); 348 rle->res = r; 349 } 350 } 351 if (cfe->num_memspace > 0) { 352 goto not_this_one; 353 } 354 if (cfe->irqmask) { 355 cfe->irqrid = 0; 356 r = cfe->irqres = bus_alloc_resource(bus, SYS_RES_IRQ, 357 &cfe->irqrid, 0, ~0, 1, 0); 358 if (cfe->irqres == 0) 359 goto not_this_one; 360 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid, 361 rman_get_start(r), rman_get_end(r), 1); 362 { 363 rle = resource_list_find(rl, SYS_RES_IRQ, 364 cfe->irqrid); 365 rle->res = r; 366 } 367 } 368 /* XXX Don't know how to deal with maxtwins */ 369 /* If we get to here, we've allocated all we need */ 370 pf->cfe = cfe; 371 break; 372 not_this_one:; 373 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 374 cfe->number)); 375 /* 376 * Release resources that we partially allocated 377 * from this config entry. 378 */ 379 for (i = 0; i < cfe->num_iospace; i++) { 380 resource_list_delete(rl, SYS_RES_IOPORT, i); 381 if (cfe->iores[i]) 382 bus_release_resource(bus, SYS_RES_IOPORT, 383 cfe->iorid[i], cfe->iores[i]); 384 cfe->iores[i] = NULL; 385 } 386 if (cfe->irqmask && cfe->irqres) { 387 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid); 388 bus_release_resource(bus, SYS_RES_IRQ, 389 cfe->irqrid, cfe->irqres); 390 cfe->irqres = NULL; 391 } 392 } 393} 394 395/* Enable a PCCARD function */ 396int 397pccard_function_enable(struct pccard_function *pf) 398{ 399 struct pccard_function *tmp; 400 int reg; 401 device_t dev = pf->sc->dev; 402 403 if (pf->cfe == NULL) { 404 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 405 return ENOMEM; 406 } 407 408 /* 409 * Increase the reference count on the socket, enabling power, if 410 * necessary. 411 */ 412 if (pf->sc->sc_enabled_count++ == 0) 413 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 414 DEVPRINTF((dev, "++enabled_count = %d\n", pf->sc->sc_enabled_count)); 415 416 if (pf->pf_flags & PFF_ENABLED) { 417 /* 418 * Don't do anything if we're already enabled. 419 */ 420 return (0); 421 } 422 423 /* 424 * it's possible for different functions' CCRs to be in the same 425 * underlying page. Check for that. 426 */ 427 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 428 if ((tmp->pf_flags & PFF_ENABLED) && 429 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 430 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 431 (tmp->ccr_base - tmp->pf_ccr_offset + 432 tmp->pf_ccr_realsize))) { 433 pf->pf_ccrt = tmp->pf_ccrt; 434 pf->pf_ccrh = tmp->pf_ccrh; 435 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 436 437 /* 438 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 439 * tmp->ccr_base) + pf->ccr_base; 440 */ 441 /* pf->pf_ccr_offset = 442 (tmp->pf_ccr_offset + pf->ccr_base) - 443 tmp->ccr_base; */ 444 pf->pf_ccr_window = tmp->pf_ccr_window; 445 break; 446 } 447 } 448 if (tmp == NULL) { 449 pf->ccr_rid = 0; 450 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 451 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE); 452 if (!pf->ccr_res) 453 goto bad; 454 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%lx\n", 455 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 456 pf->ccr_base)); 457 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 458 pf->ccr_rid, PCCARD_A_MEM_ATTR); 459 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 460 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 461 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 462 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 463 pf->pf_ccr_realsize = 1; 464 } 465 466 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 467 reg |= PCCARD_CCR_OPTION_LEVIREQ; 468 if (pccard_mfc(pf->sc)) { 469 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 470 PCCARD_CCR_OPTION_ADDR_DECODE); 471 /* 472 * XXX Need to enable PCCARD_CCR_OPTION_IRQ_ENABLE if 473 * XXX we have an interrupt handler, but we don't know that 474 * XXX at this point. 475 */ 476/* reg |= PCCARD_CCR_OPTION_IREQ_ENABLE;*/ 477 } 478 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 479 480 reg = 0; 481 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 482 reg |= PCCARD_CCR_STATUS_IOIS8; 483 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 484 reg |= PCCARD_CCR_STATUS_AUDIO; 485 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 486 487 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 488 489 if (pccard_mfc(pf->sc)) { 490 long tmp, iosize; 491 492 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 493 /* round up to nearest (2^n)-1 */ 494 for (iosize = 1; iosize < tmp; iosize <<= 1) 495 ; 496 iosize--; 497 498 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 499 pf->pf_mfc_iobase & 0xff); 500 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 501 (pf->pf_mfc_iobase >> 8) & 0xff); 502 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 503 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 504 505 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 506 } 507 508#ifdef PCCARDDEBUG 509 if (pccard_debug) { 510 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 511 device_printf(tmp->sc->dev, 512 "function %d CCR at %d offset %x: " 513 "%x %x %x %x, %x %x %x %x, %x\n", 514 tmp->number, tmp->pf_ccr_window, 515 tmp->pf_ccr_offset, 516 pccard_ccr_read(tmp, 0x00), 517 pccard_ccr_read(tmp, 0x02), 518 pccard_ccr_read(tmp, 0x04), 519 pccard_ccr_read(tmp, 0x06), 520 pccard_ccr_read(tmp, 0x0A), 521 pccard_ccr_read(tmp, 0x0C), 522 pccard_ccr_read(tmp, 0x0E), 523 pccard_ccr_read(tmp, 0x10), 524 pccard_ccr_read(tmp, 0x12)); 525 } 526 } 527#endif 528 pf->pf_flags |= PFF_ENABLED; 529 return (0); 530 531 bad: 532 /* 533 * Decrement the reference count, and power down the socket, if 534 * necessary. 535 */ 536 if (--pf->sc->sc_enabled_count == 0) 537 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 538 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 539 540 return (1); 541} 542 543/* Disable PCCARD function. */ 544void 545pccard_function_disable(struct pccard_function *pf) 546{ 547 struct pccard_function *tmp; 548 device_t dev = pf->sc->dev; 549 550 if (pf->cfe == NULL) 551 panic("pccard_function_disable: function not initialized"); 552 553 if ((pf->pf_flags & PFF_ENABLED) == 0) { 554 /* 555 * Don't do anything if we're already disabled. 556 */ 557 return; 558 } 559 560 if (pf->intr_handler != NULL) { 561 pf->intr_handler = NULL; 562 pf->intr_handler_arg = NULL; 563 pf->intr_handler_cookie = NULL; 564 pccard_ccr_write(pf, PCCARD_CCR_OPTION, 565 pccard_ccr_read(pf, PCCARD_CCR_OPTION) & 566 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 567 568 if (pf->sc->intr_handler_count == 1) { 569 struct pccard_ivar *ivar = PCCARD_IVAR(pf->dev); 570 struct resource_list_entry *rle = NULL; 571 572 pf->sc->intr_handler_count--; 573 rle = resource_list_find(&ivar->resources, SYS_RES_IRQ, 574 0); 575 if (rle == NULL) 576 panic("No IRQ for pccard?"); 577 578 bus_teardown_intr(dev, rle->res, 579 &pf->sc->intr_handler_count); 580 } 581 } 582 583 /* 584 * it's possible for different functions' CCRs to be in the same 585 * underlying page. Check for that. Note we mark us as disabled 586 * first to avoid matching ourself. 587 */ 588 589 pf->pf_flags &= ~PFF_ENABLED; 590 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 591 if ((tmp->pf_flags & PFF_ENABLED) && 592 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 593 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 594 (tmp->ccr_base - tmp->pf_ccr_offset + tmp->pf_ccr_realsize))) 595 break; 596 } 597 598 /* Not used by anyone else; unmap the CCR. */ 599 if (tmp == NULL) { 600 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 601 pf->ccr_res); 602 pf->ccr_res = NULL; 603 } 604 605 /* 606 * Decrement the reference count, and power down the socket, if 607 * necessary. 608 */ 609 if (--pf->sc->sc_enabled_count == 0) 610 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 611 DEVPRINTF((dev, "--enabled_count = %d\n", pf->sc->sc_enabled_count)); 612} 613 614#if 0 615/* XXX These functions are needed, but not like this XXX */ 616int 617pccard_io_map(struct pccard_function *pf, int width, bus_addr_t offset, 618 bus_size_t size, struct pccard_io_handle *pcihp, int *windowp) 619{ 620 int reg; 621 622 if (pccard_chip_io_map(pf->sc->pct, pf->sc->pch, width, offset, size, 623 pcihp, windowp)) 624 return (1); 625 626 /* 627 * XXX in the multifunction multi-iospace-per-function case, this 628 * needs to cooperate with io_alloc to make sure that the spaces 629 * don't overlap, and that the ccr's are set correctly 630 */ 631 632 if (pccard_mfc(pf->sc)) { 633 long tmp, iosize; 634 635 if (pf->pf_mfc_iomax == 0) { 636 pf->pf_mfc_iobase = pcihp->addr + offset; 637 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 638 } else { 639 /* this makes the assumption that nothing overlaps */ 640 if (pf->pf_mfc_iobase > pcihp->addr + offset) 641 pf->pf_mfc_iobase = pcihp->addr + offset; 642 if (pf->pf_mfc_iomax < pcihp->addr + offset + size) 643 pf->pf_mfc_iomax = pcihp->addr + offset + size; 644 } 645 646 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 647 /* round up to nearest (2^n)-1 */ 648 for (iosize = 1; iosize >= tmp; iosize <<= 1) 649 ; 650 iosize--; 651 652 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 653 pf->pf_mfc_iobase & 0xff); 654 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 655 (pf->pf_mfc_iobase >> 8) & 0xff); 656 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 657 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 658 659 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 660 661 reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION); 662 reg |= PCCARD_CCR_OPTION_ADDR_DECODE; 663 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 664 } 665 return (0); 666} 667 668void 669pccard_io_unmap(struct pccard_function *pf, int window) 670{ 671 672 pccard_chip_io_unmap(pf->sc->pct, pf->sc->pch, window); 673 674 /* XXX Anything for multi-function cards? */ 675} 676#endif 677 678/* 679 * simulate the old "probe" routine. In the new world order, the driver 680 * needs to grab devices while in the old they were assigned to the device by 681 * the pccardd process. These symbols are exported to the upper layers. 682 */ 683int 684pccard_compat_probe(device_t dev) 685{ 686 return (CARD_COMPAT_MATCH(dev)); 687} 688 689int 690pccard_compat_attach(device_t dev) 691{ 692 int err; 693 694 err = CARD_COMPAT_PROBE(dev); 695 if (err == 0) 696 err = CARD_COMPAT_ATTACH(dev); 697 return (err); 698} 699 700#define PCCARD_NPORT 2 701#define PCCARD_NMEM 5 702#define PCCARD_NIRQ 1 703#define PCCARD_NDRQ 0 704 705static int 706pccard_add_children(device_t dev, int busno) 707{ 708 /* Call parent to scan for any current children */ 709 return 0; 710} 711 712static int 713pccard_probe(device_t dev) 714{ 715 device_set_desc(dev, "16-bit PCCard bus"); 716 return pccard_add_children(dev, device_get_unit(dev)); 717} 718 719static int 720pccard_attach(device_t dev) 721{ 722 struct pccard_softc *sc = PCCARD_SOFTC(dev); 723 724 sc->dev = dev; 725 sc->sc_enabled_count = 0; 726 return bus_generic_attach(dev); 727} 728 729static void 730pccard_print_resources(struct resource_list *rl, const char *name, int type, 731 int count, const char *format) 732{ 733 struct resource_list_entry *rle; 734 int printed; 735 int i; 736 737 printed = 0; 738 for (i = 0; i < count; i++) { 739 rle = resource_list_find(rl, type, i); 740 if (rle) { 741 if (printed == 0) 742 printf(" %s ", name); 743 else if (printed > 0) 744 printf(","); 745 printed++; 746 printf(format, rle->start); 747 if (rle->count > 1) { 748 printf("-"); 749 printf(format, rle->start + rle->count - 1); 750 } 751 } else if (i > 3) { 752 /* check the first few regardless */ 753 break; 754 } 755 } 756} 757 758static int 759pccard_print_child(device_t dev, device_t child) 760{ 761 struct pccard_ivar *devi = PCCARD_IVAR(child); 762 struct resource_list *rl = &devi->resources; 763 int retval = 0; 764 765 retval += bus_print_child_header(dev, child); 766 retval += printf(" at"); 767 768 if (devi) { 769 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 770 PCCARD_NPORT, "%#lx"); 771 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 772 PCCARD_NMEM, "%#lx"); 773 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 774 "%ld"); 775 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 776 "%ld"); 777 retval += printf(" function %d config %d", devi->fcn->number, 778 devi->fcn->cfe->number); 779 } 780 781 retval += bus_print_child_footer(dev, child); 782 783 return (retval); 784} 785 786static int 787pccard_set_resource(device_t dev, device_t child, int type, int rid, 788 u_long start, u_long count) 789{ 790 struct pccard_ivar *devi = PCCARD_IVAR(child); 791 struct resource_list *rl = &devi->resources; 792 793 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 794 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 795 return EINVAL; 796 if (rid < 0) 797 return EINVAL; 798 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 799 return EINVAL; 800 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 801 return EINVAL; 802 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 803 return EINVAL; 804 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 805 return EINVAL; 806 807 resource_list_add(rl, type, rid, start, start + count - 1, count); 808 809 return 0; 810} 811 812static int 813pccard_get_resource(device_t dev, device_t child, int type, int rid, 814 u_long *startp, u_long *countp) 815{ 816 struct pccard_ivar *devi = PCCARD_IVAR(child); 817 struct resource_list *rl = &devi->resources; 818 struct resource_list_entry *rle; 819 820 rle = resource_list_find(rl, type, rid); 821 if (!rle) 822 return ENOENT; 823 824 if (startp) 825 *startp = rle->start; 826 if (countp) 827 *countp = rle->count; 828 829 return 0; 830} 831 832static void 833pccard_delete_resource(device_t dev, device_t child, int type, int rid) 834{ 835 struct pccard_ivar *devi = PCCARD_IVAR(child); 836 struct resource_list *rl = &devi->resources; 837 resource_list_delete(rl, type, rid); 838} 839 840static int 841pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 842 u_int32_t flags) 843{ 844 return CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 845 rid, flags); 846} 847 848static int 849pccard_set_memory_offset(device_t dev, device_t child, int rid, 850 u_int32_t offset, u_int32_t *deltap) 851 852{ 853 return CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 854 offset, deltap); 855} 856 857static int 858pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 859{ 860 struct pccard_ivar *devi = PCCARD_IVAR(child); 861 struct pccard_function *func = devi->fcn; 862 struct pccard_softc *sc = PCCARD_SOFTC(bus); 863 864 /* PCCARD_IVAR_ETHADDR unhandled from oldcard */ 865 switch (which) { 866 default: 867 case PCCARD_IVAR_ETHADDR: 868 return (ENOENT); 869 break; 870 case PCCARD_IVAR_VENDOR: 871 *(u_int32_t *) result = sc->card.manufacturer; 872 break; 873 case PCCARD_IVAR_PRODUCT: 874 *(u_int32_t *) result = sc->card.product; 875 break; 876 case PCCARD_IVAR_FUNCTION_NUMBER: 877 if (!func) { 878 device_printf(bus, "No function number, bug!\n"); 879 return (ENOENT); 880 } 881 *(u_int32_t *) result = func->number; 882 break; 883 case PCCARD_IVAR_VENDOR_STR: 884 *(char **) result = sc->card.cis1_info[0]; 885 break; 886 case PCCARD_IVAR_PRODUCT_STR: 887 *(char **) result = sc->card.cis1_info[1]; 888 break; 889 case PCCARD_IVAR_CIS3_STR: 890 *(char **) result = sc->card.cis1_info[2]; 891 break; 892 case PCCARD_IVAR_CIS4_STR: 893 *(char **) result = sc->card.cis1_info[2]; 894 break; 895 } 896 return (0); 897} 898 899static void 900pccard_driver_added(device_t dev, driver_t *driver) 901{ 902 /* 903 * XXX eventually we need to attach stuff when we know we 904 * XXX have kids. For now we do nothing because we normally 905 * XXX add children ourselves. We don't want to necessarily 906 * XXX force a reprobe. 907 */ 908} 909 910static struct resource * 911pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 912 u_long start, u_long end, u_long count, u_int flags) 913{ 914 struct resource_list_entry *rle = NULL; 915 916 /* XXX: This is an ugly way to fudge the resources. */ 917 918 if (device_get_parent(child) == dev) { 919 struct pccard_ivar *devi = PCCARD_IVAR(child); 920 struct resource_list *rl = &devi->resources; 921 922 rle = resource_list_find(rl, type, *rid); 923 } 924 925 if (rle != NULL) { 926 if (flags & RF_ACTIVE) 927 bus_activate_resource(dev, type, rle->rid, rle->res); 928 return (rle->res); 929 } 930 return (bus_generic_alloc_resource(dev, child, type, rid, start, 931 end, count, flags)); 932} 933 934static int 935pccard_release_resource(device_t dev, device_t child, int type, int rid, 936 struct resource *r) 937{ 938 struct resource_list_entry *rle = NULL; 939 940 if (device_get_parent(child) == dev) { 941 struct pccard_ivar *devi = PCCARD_IVAR(child); 942 struct resource_list *rl = &devi->resources; 943 944 rle = resource_list_find(rl, type, rid); 945 } 946 947 if (rle != NULL) { 948 return bus_deactivate_resource(dev, type, rle->rid, rle->res); 949 } 950 951 return bus_generic_release_resource(dev, child, type, rid, r); 952} 953 954static int 955pccard_activate_resource(device_t dev, device_t child, int type, int rid, 956 struct resource *r) 957{ 958 /* XXX need to write to the COR to activate this for mf cards */ 959 struct resource_list_entry *rle = NULL; 960 961 if (device_get_parent(child) == dev) { 962 struct pccard_ivar *devi = PCCARD_IVAR(child); 963 struct resource_list *rl = &devi->resources; 964 965 rle = resource_list_find(rl, type, rid); 966 } 967 968 if (rle != NULL) { 969 return (bus_activate_resource(dev, type, rle->rid, rle->res)); 970 } 971 972 return (bus_generic_activate_resource(dev, child, type, rid, r)); 973} 974 975static int 976pccard_deactivate_resource(device_t dev, device_t child, int type, int rid, 977 struct resource *r) 978{ 979 /* XXX need to write to the COR to deactivate this for mf cards */ 980 struct resource_list_entry *rle = NULL; 981 982 if (device_get_parent(child) == dev) { 983 struct pccard_ivar *devi = PCCARD_IVAR(child); 984 struct resource_list *rl = &devi->resources; 985 986 rle = resource_list_find(rl, type, rid); 987 } 988 989 if (rle != NULL) { 990 return (bus_deactivate_resource(dev, type, rle->rid, rle->res)); 991 } 992 993 return (bus_generic_deactivate_resource(dev, child, type, rid, r)); 994} 995 996static void 997pccard_child_detached(device_t parent, device_t dev) 998{ 999 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1000 1001 if (parent == device_get_parent(dev)) 1002 free(ivar, M_DEVBUF); 1003} 1004 1005static void 1006pccard_intr(void *arg) 1007{ 1008 struct pccard_softc *sc = (struct pccard_softc *) arg; 1009 struct pccard_function *pf; 1010 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 1011 if (pf->intr_handler != NULL) { 1012 int reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1013 if (reg & PCCARD_CCR_STATUS_INTR) { 1014 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1015 reg & ~PCCARD_CCR_STATUS_INTR); 1016 pf->intr_handler(pf->intr_handler_arg); 1017 } 1018 } 1019 } 1020} 1021 1022static int 1023pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1024 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1025{ 1026 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1027 struct pccard_function *func = ivar->fcn; 1028 struct resource_list_entry *rle = NULL; 1029 struct pccard_softc *sc = device_get_softc(dev); 1030 1031 if (func->intr_handler != NULL) 1032 panic("Only one interrupt handler per function allowed\n"); 1033 1034 rle = resource_list_find(&ivar->resources, SYS_RES_IRQ, 0); 1035 if (rle == NULL || rle->res != irq) 1036 panic("irq in setup_intr does not match allocated irq\n"); 1037 1038 func->intr_handler = intr; 1039 func->intr_handler_arg = arg; 1040 func->intr_handler_cookie = *cookiep = func; 1041 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1042 pccard_ccr_read(func, PCCARD_CCR_OPTION) | 1043 PCCARD_CCR_OPTION_IREQ_ENABLE); 1044 1045 if (sc->intr_handler_count++ == 0) { 1046 rle = resource_list_find(&ivar->resources, SYS_RES_IRQ, 0); 1047 if (rle == NULL) 1048 panic("No IRQ for pccard?"); 1049 1050 bus_setup_intr(dev, rle->res, INTR_TYPE_TTY/* | INTR_FAST*/, 1051 pccard_intr, sc, (void*)&sc->intr_handler_count); 1052 } 1053 return 0; 1054} 1055 1056static int 1057pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1058 void *cookie) 1059{ 1060 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1061 struct pccard_function *func = ivar->fcn; 1062 struct pccard_softc *sc = device_get_softc(dev); 1063 1064 if (func->intr_handler_cookie != cookie) 1065 panic("pccard teardown of unknown interrupt handler\n"); 1066 1067 func->intr_handler = NULL; 1068 func->intr_handler_arg = NULL; 1069 func->intr_handler_cookie = NULL; 1070 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1071 pccard_ccr_read(func, PCCARD_CCR_OPTION) & 1072 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1073 1074 if (--sc->intr_handler_count == 0) { 1075 struct resource_list_entry *rle = NULL; 1076 1077 rle = resource_list_find(&ivar->resources, SYS_RES_IRQ, 0); 1078 if (rle == NULL) 1079 panic("No IRQ for pccard?"); 1080 1081 bus_teardown_intr(dev, rle->res, &sc->intr_handler_count); 1082 } 1083 return 0; 1084} 1085 1086static device_method_t pccard_methods[] = { 1087 /* Device interface */ 1088 DEVMETHOD(device_probe, pccard_probe), 1089 DEVMETHOD(device_attach, pccard_attach), 1090 DEVMETHOD(device_detach, bus_generic_detach), 1091 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1092 DEVMETHOD(device_suspend, bus_generic_suspend), 1093 DEVMETHOD(device_resume, bus_generic_resume), 1094 1095 /* Bus interface */ 1096 DEVMETHOD(bus_print_child, pccard_print_child), 1097 DEVMETHOD(bus_driver_added, pccard_driver_added), 1098 DEVMETHOD(bus_child_detached, pccard_child_detached), 1099 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1100 DEVMETHOD(bus_release_resource, pccard_release_resource), 1101 DEVMETHOD(bus_activate_resource, pccard_activate_resource), 1102 DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource), 1103 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1104 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1105 DEVMETHOD(bus_set_resource, pccard_set_resource), 1106 DEVMETHOD(bus_get_resource, pccard_get_resource), 1107 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1108 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1109 1110 /* Card Interface */ 1111 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1112 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1113 DEVMETHOD(card_get_type, pccard_card_gettype), 1114 DEVMETHOD(card_attach_card, pccard_attach_card), 1115 DEVMETHOD(card_detach_card, pccard_detach_card), 1116 1117 { 0, 0 } 1118}; 1119 1120static driver_t pccard_driver = { 1121 "pccard", 1122 pccard_methods, 1123 sizeof(struct pccard_softc) 1124}; 1125 1126devclass_t pccard_devclass; 1127 1128DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1129DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0); 1130DRIVER_MODULE(pccard, pccbb, pccard_driver, pccard_devclass, 0, 0); 1131DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0); 1132MODULE_VERSION(pccard, 1); 1133/*MODULE_DEPEND(pccard, pcic, 1, 1, 1);*/ 1134