pccard.c revision 82781
1/* $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $ */ 2/* $FreeBSD: head/sys/dev/pccard/pccard.c 82781 2001-09-02 06:37:41Z shiba $ */ 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 <net/ethernet.h> 47 48#include <dev/pccard/pccardreg.h> 49#include <dev/pccard/pccardvar.h> 50 51#include "power_if.h" 52#include "card_if.h" 53 54#define PCCARDDEBUG 55 56#ifdef PCCARDDEBUG 57int pccard_debug = 1; 58#define DPRINTF(arg) if (pccard_debug) printf arg 59#define DEVPRINTF(arg) if (pccard_debug) device_printf arg 60#define PRVERBOSE(arg) printf arg 61#define DEVPRVERBOSE(arg) device_printf arg 62#else 63#define DPRINTF(arg) 64#define DEVPRINTF(arg) 65#define PRVERBOSE(arg) if (bootverbose) printf arg 66#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg 67#endif 68 69#ifdef PCCARDVERBOSE 70int pccard_verbose = 1; 71#else 72int pccard_verbose = 0; 73#endif 74 75static int pccard_ccr_read(struct pccard_function *pf, int ccr); 76static void pccard_ccr_write(struct pccard_function *pf, int ccr, int val); 77static int pccard_attach_card(device_t dev); 78static int pccard_detach_card(device_t dev, int flags); 79static int pccard_card_gettype(device_t dev, int *type); 80static void pccard_function_init(struct pccard_function *pf); 81static void pccard_function_free(struct pccard_function *pf); 82static int pccard_function_enable(struct pccard_function *pf); 83static void pccard_function_disable(struct pccard_function *pf); 84static int pccard_compat_do_probe(device_t bus, device_t dev); 85static int pccard_compat_do_attach(device_t bus, device_t dev); 86static int pccard_add_children(device_t dev, int busno); 87static int pccard_probe(device_t dev); 88static int pccard_attach(device_t dev); 89static int pccard_detach(device_t dev); 90static void pccard_print_resources(struct resource_list *rl, 91 const char *name, int type, int count, const char *format); 92static int pccard_print_child(device_t dev, device_t child); 93static int pccard_set_resource(device_t dev, device_t child, int type, 94 int rid, u_long start, u_long count); 95static int pccard_get_resource(device_t dev, device_t child, int type, 96 int rid, u_long *startp, u_long *countp); 97static void pccard_delete_resource(device_t dev, device_t child, int type, 98 int rid); 99static int pccard_set_res_flags(device_t dev, device_t child, int type, 100 int rid, u_int32_t flags); 101static int pccard_set_memory_offset(device_t dev, device_t child, int rid, 102 u_int32_t offset, u_int32_t *deltap); 103static int pccard_read_ivar(device_t bus, device_t child, int which, 104 u_char *result); 105static void pccard_driver_added(device_t dev, driver_t *driver); 106static struct resource *pccard_alloc_resource(device_t dev, 107 device_t child, int type, int *rid, u_long start, 108 u_long end, u_long count, u_int flags); 109static int pccard_release_resource(device_t dev, device_t child, int type, 110 int rid, struct resource *r); 111static void pccard_child_detached(device_t parent, device_t dev); 112static void pccard_intr(void *arg); 113static int pccard_setup_intr(device_t dev, device_t child, 114 struct resource *irq, int flags, driver_intr_t *intr, 115 void *arg, void **cookiep); 116static int pccard_teardown_intr(device_t dev, device_t child, 117 struct resource *r, void *cookie); 118 119static int 120pccard_ccr_read(struct pccard_function *pf, int ccr) 121{ 122 return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh, 123 pf->pf_ccr_offset + ccr)); 124} 125 126static void 127pccard_ccr_write(struct pccard_function *pf, int ccr, int val) 128{ 129 if ((pf->ccr_mask) & (1 << (ccr / 2))) { 130 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh, 131 pf->pf_ccr_offset + ccr, val); 132 } 133} 134 135static int 136pccard_attach_card(device_t dev) 137{ 138 struct pccard_softc *sc = PCCARD_SOFTC(dev); 139 struct pccard_function *pf; 140 struct pccard_ivar *ivar; 141 device_t child; 142 143 /* 144 * this is here so that when socket_enable calls gettype, trt happens 145 */ 146 STAILQ_INIT(&sc->card.pf_head); 147 148 DEVPRINTF((dev, "chip_socket_enable\n")); 149 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 150 151 DEVPRINTF((dev, "read_cis\n")); 152 pccard_read_cis(sc); 153 154 DEVPRINTF((dev, "check_cis_quirks\n")); 155 pccard_check_cis_quirks(dev); 156 157 /* 158 * bail now if the card has no functions, or if there was an error in 159 * the cis. 160 */ 161 162 if (sc->card.error) { 163 device_printf (dev, "CARD ERROR!\n"); 164 return (1); 165 } 166 if (STAILQ_EMPTY(&sc->card.pf_head)) { 167 device_printf (dev, "Card has no functions!\n"); 168 return (1); 169 } 170 171 if (1) 172 pccard_print_cis(dev); 173 174 DEVPRINTF((dev, "functions scanning\n")); 175 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 176 if (STAILQ_EMPTY(&pf->cfe_head)) 177 continue; 178 179 pf->sc = sc; 180 pf->cfe = NULL; 181 pf->dev = NULL; 182 } 183 184 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 185 if (STAILQ_EMPTY(&pf->cfe_head)) 186 continue; 187 /* 188 * In NetBSD, the drivers are responsible for activating 189 * each function of a card. I think that in FreeBSD we 190 * want to activate them enough for the usual bus_*_resource 191 * routines will do the right thing. This many mean a 192 * departure from the current NetBSD model. 193 * 194 * This could get really ugly for multifunction cards. But 195 * it might also just fall out of the FreeBSD resource model. 196 * 197 */ 198 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF, 199 M_WAITOK | M_ZERO); 200 child = device_add_child(dev, NULL, -1); 201 device_set_ivars(child, ivar); 202 ivar->fcn = pf; 203 pf->dev = child; 204 /* 205 * XXX We might want to move the next two lines into 206 * XXX the pccard interface layer. For the moment, this 207 * XXX is OK, but some drivers want to pick the config 208 * XXX entry to use as well as some address tweaks (mostly 209 * XXX due to bugs in decode logic that makes some 210 * XXX addresses illegal or broken). 211 */ 212 pccard_function_init(pf); 213 if (sc->sc_enabled_count == 0) 214 POWER_ENABLE_SOCKET(device_get_parent(dev), dev); 215 if (pccard_function_enable(pf) == 0 && 216 device_probe_and_attach(child) == 0) { 217 DEVPRINTF((sc->dev, "function %d CCR at %d " 218 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 219 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 220 pccard_ccr_read(pf, 0x00), 221 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 222 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 223 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 224 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 225 } else { 226 pccard_function_disable(pf); 227 } 228 } 229 if (sc->sc_enabled_count == 0) 230 pccard_detach_card(dev, 0); 231 return (0); 232} 233 234static int 235pccard_detach_card(device_t dev, int flags) 236{ 237 struct pccard_softc *sc = PCCARD_SOFTC(dev); 238 struct pccard_function *pf; 239 struct pccard_config_entry *cfe; 240 241 /* 242 * We are running on either the PCCARD socket's event thread 243 * or in user context detaching a device by user request. 244 */ 245 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 246 int state = device_get_state(pf->dev); 247 248 if (state == DS_ATTACHED || state == DS_BUSY) 249 device_detach(pf->dev); 250 pccard_function_disable(pf); 251 pccard_function_free(pf); 252 if (pf->dev != NULL) 253 device_delete_child(dev, pf->dev); 254 } 255 if (sc->sc_enabled_count == 0) 256 POWER_DISABLE_SOCKET(device_get_parent(dev), dev); 257 258 while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) { 259 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) { 260 STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list); 261 free(cfe, M_DEVBUF); 262 } 263 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list); 264 free(pf, M_DEVBUF); 265 } 266 return (0); 267} 268 269const struct pccard_product * 270pccard_product_lookup(device_t dev, const struct pccard_product *tab, 271 size_t ent_size, pccard_product_match_fn matchfn) 272{ 273 const struct pccard_product *ent; 274 int matches; 275 u_int32_t fcn; 276 u_int32_t vendor; 277 u_int32_t prod; 278 char *vendorstr; 279 char *prodstr; 280 281#ifdef DIAGNOSTIC 282 if (sizeof *ent > ent_size) 283 panic("pccard_product_lookup: bogus ent_size %ld", 284 (long) ent_size); 285#endif 286 if (pccard_get_vendor(dev, &vendor)) 287 return (NULL); 288 if (pccard_get_product(dev, &prod)) 289 return (NULL); 290 if (pccard_get_function_number(dev, &fcn)) 291 return (NULL); 292 if (pccard_get_vendor_str(dev, &vendorstr)) 293 return (NULL); 294 if (pccard_get_product_str(dev, &prodstr)) 295 return (NULL); 296 for (ent = tab; ent->pp_name != NULL; ent = 297 (const struct pccard_product *) ((const char *) ent + ent_size)) { 298 matches = 1; 299 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY && 300 vendor != ent->pp_vendor) 301 matches = 0; 302 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY && 303 prod != ent->pp_product) 304 matches = 0; 305 if (matches && fcn != ent->pp_expfunc) 306 matches = 0; 307 if (matches && ent->pp_cis[0] && 308 strcmp(ent->pp_cis[0], vendorstr) != 0) 309 matches = 0; 310 if (matches && ent->pp_cis[1] && 311 strcmp(ent->pp_cis[1], prodstr) != 0) 312 matches = 0; 313 /* XXX need to match cis[2] and cis[3] also XXX */ 314 if (matchfn != NULL) 315 matches = (*matchfn)(dev, ent, matches); 316 if (matches) 317 return (ent); 318 } 319 return (NULL); 320} 321 322static int 323pccard_card_gettype(device_t dev, int *type) 324{ 325 struct pccard_softc *sc = PCCARD_SOFTC(dev); 326 struct pccard_function *pf; 327 328 /* 329 * set the iftype to memory if this card has no functions (not yet 330 * probed), or only one function, and that is not initialized yet or 331 * that is memory. 332 */ 333 pf = STAILQ_FIRST(&sc->card.pf_head); 334 if (pf == NULL || 335 (STAILQ_NEXT(pf, pf_list) == NULL && 336 (pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY))) 337 *type = PCCARD_IFTYPE_MEMORY; 338 else 339 *type = PCCARD_IFTYPE_IO; 340 return (0); 341} 342 343/* 344 * Initialize a PCCARD function. May be called as long as the function is 345 * disabled. 346 * 347 * Note: pccard_function_init should not keep resources allocated. It should 348 * only set them up ala isa pnp, set the values in the rl lists, and return. 349 * Any resource held after pccard_function_init is called is a bug. However, 350 * the bus routines to get the resources also assume that pccard_function_init 351 * does this, so they need to be fixed too. 352 */ 353static void 354pccard_function_init(struct pccard_function *pf) 355{ 356 struct pccard_config_entry *cfe; 357 int i; 358 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 359 struct resource_list *rl = &devi->resources; 360 struct resource_list_entry *rle; 361 struct resource *r = 0; 362 device_t bus; 363 int start; 364 int end; 365 366 if (pf->pf_flags & PFF_ENABLED) { 367 printf("pccard_function_init: function is enabled"); 368 return; 369 } 370 bus = device_get_parent(pf->dev); 371 /* Remember which configuration entry we are using. */ 372 STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) { 373 for (i = 0; i < cfe->num_iospace; i++) 374 cfe->iores[i] = NULL; 375 cfe->irqres = NULL; 376 for (i = 0; i < cfe->num_iospace; i++) { 377 start = cfe->iospace[i].start; 378 if (start) 379 end = start + cfe->iospace[i].length - 1; 380 else 381 end = ~0; 382 cfe->iorid[i] = i; 383 r = cfe->iores[i] = bus_alloc_resource(bus, 384 SYS_RES_IOPORT, &cfe->iorid[i], start, end, 385 cfe->iospace[i].length, 386 rman_make_alignment_flags(cfe->iospace[i].length)); 387 if (cfe->iores[i] == NULL) 388 goto not_this_one; 389 resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i], 390 rman_get_start(r), rman_get_end(r), 391 cfe->iospace[i].length); 392 rle = resource_list_find(rl, SYS_RES_IOPORT, 393 cfe->iorid[i]); 394 rle->res = r; 395 } 396 if (cfe->num_memspace > 0) { 397 /* 398 * Not implement yet, Fix me. 399 */ 400 } 401 if (cfe->irqmask) { 402 cfe->irqrid = 0; 403 r = cfe->irqres = bus_alloc_resource(bus, SYS_RES_IRQ, 404 &cfe->irqrid, 0, ~0, 1, 0); 405 if (cfe->irqres == NULL) 406 goto not_this_one; 407 resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid, 408 rman_get_start(r), rman_get_end(r), 1); 409 rle = resource_list_find(rl, SYS_RES_IRQ, 410 cfe->irqrid); 411 rle->res = r; 412 } 413 /* If we get to here, we've allocated all we need */ 414 pf->cfe = cfe; 415 break; 416 not_this_one:; 417 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n", 418 cfe->number)); 419 /* 420 * Release resources that we partially allocated 421 * from this config entry. 422 */ 423 for (i = 0; i < cfe->num_iospace; i++) { 424 if (cfe->iores[i] != NULL) { 425 bus_release_resource(bus, SYS_RES_IOPORT, 426 cfe->iorid[i], cfe->iores[i]); 427 rle = resource_list_find(rl, SYS_RES_IOPORT, 428 cfe->iorid[i]); 429 rle->res = NULL; 430 resource_list_delete(rl, SYS_RES_IOPORT, 431 cfe->iorid[i]); 432 } 433 cfe->iores[i] = NULL; 434 } 435 if (cfe->irqmask && cfe->irqres != NULL) { 436 bus_release_resource(bus, SYS_RES_IRQ, 437 cfe->irqrid, cfe->irqres); 438 rle = resource_list_find(rl, SYS_RES_IRQ, 439 cfe->irqrid); 440 rle->res = NULL; 441 resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid); 442 cfe->irqres = NULL; 443 } 444 } 445} 446 447/* 448 * Free resources allocated by pccard_function_init(), May be called as long 449 * as the function is disabled. 450 * 451 * NOTE: This function should be unnecessary. pccard_function_init should 452 * never keep resources initialized. 453 */ 454static void 455pccard_function_free(struct pccard_function *pf) 456{ 457 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 458 struct resource_list_entry *rle; 459 460 if (pf->pf_flags & PFF_ENABLED) { 461 printf("pccard_function_init: function is enabled"); 462 return; 463 } 464 465 SLIST_FOREACH(rle, &devi->resources, link) { 466 if (rle->res) { 467 if (rle->res->r_dev != pf->sc->dev) 468 device_printf(pf->sc->dev, 469 "function_free: Resource still owned by " 470 "child, oops. " 471 "(type=%d, rid=%d, addr=%lx)\n", 472 rle->type, rle->rid, 473 rman_get_start(rle->res)); 474 BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev), 475 rle->res->r_dev, rle->type, rle->rid, rle->res); 476 rle->res = NULL; 477 } 478 } 479 resource_list_free(&devi->resources); 480} 481 482/* Enable a PCCARD function */ 483static int 484pccard_function_enable(struct pccard_function *pf) 485{ 486 struct pccard_function *tmp; 487 int reg; 488 device_t dev = pf->sc->dev; 489 490 if (pf->cfe == NULL) { 491 DEVPRVERBOSE((dev, "No config entry could be allocated.\n")); 492 return (ENOMEM); 493 } 494 495 /* 496 * Increase the reference count on the socket, enabling power, if 497 * necessary. 498 */ 499 pf->sc->sc_enabled_count++; 500 501 if (pf->pf_flags & PFF_ENABLED) { 502 /* 503 * Don't do anything if we're already enabled. 504 */ 505 return (0); 506 } 507 508 /* 509 * it's possible for different functions' CCRs to be in the same 510 * underlying page. Check for that. 511 */ 512 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 513 if ((tmp->pf_flags & PFF_ENABLED) && 514 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 515 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 516 (tmp->ccr_base - tmp->pf_ccr_offset + 517 tmp->pf_ccr_realsize))) { 518 pf->pf_ccrt = tmp->pf_ccrt; 519 pf->pf_ccrh = tmp->pf_ccrh; 520 pf->pf_ccr_realsize = tmp->pf_ccr_realsize; 521 522 /* 523 * pf->pf_ccr_offset = (tmp->pf_ccr_offset - 524 * tmp->ccr_base) + pf->ccr_base; 525 */ 526 /* pf->pf_ccr_offset = 527 (tmp->pf_ccr_offset + pf->ccr_base) - 528 tmp->ccr_base; */ 529 pf->pf_ccr_window = tmp->pf_ccr_window; 530 break; 531 } 532 } 533 if (tmp == NULL) { 534 pf->ccr_rid = 0; 535 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY, 536 &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE); 537 if (!pf->ccr_res) 538 goto bad; 539 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%lx\n", 540 rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res), 541 pf->ccr_base)); 542 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 543 pf->ccr_rid, PCCARD_A_MEM_ATTR); 544 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev, 545 pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset); 546 pf->pf_ccrt = rman_get_bustag(pf->ccr_res); 547 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res); 548 pf->pf_ccr_realsize = 1; 549 } 550 551 reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX); 552 reg |= PCCARD_CCR_OPTION_LEVIREQ; 553 if (pccard_mfc(pf->sc)) { 554 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE | 555 PCCARD_CCR_OPTION_ADDR_DECODE); 556 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */ 557 } 558 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 559 560 reg = 0; 561 if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0) 562 reg |= PCCARD_CCR_STATUS_IOIS8; 563 if (pf->cfe->flags & PCCARD_CFE_AUDIO) 564 reg |= PCCARD_CCR_STATUS_AUDIO; 565 pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg); 566 567 pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0); 568 569 if (pccard_mfc(pf->sc)) { 570 long tmp, iosize; 571 572 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 573 /* round up to nearest (2^n)-1 */ 574 for (iosize = 1; iosize < tmp; iosize <<= 1) 575 ; 576 iosize--; 577 578 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 579 pf->pf_mfc_iobase & 0xff); 580 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 581 (pf->pf_mfc_iobase >> 8) & 0xff); 582 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 583 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 584 585 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 586 } 587 588#ifdef PCCARDDEBUG 589 if (pccard_debug) { 590 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 591 device_printf(tmp->sc->dev, 592 "function %d CCR at %d offset %x: " 593 "%x %x %x %x, %x %x %x %x, %x\n", 594 tmp->number, tmp->pf_ccr_window, 595 tmp->pf_ccr_offset, 596 pccard_ccr_read(tmp, 0x00), 597 pccard_ccr_read(tmp, 0x02), 598 pccard_ccr_read(tmp, 0x04), 599 pccard_ccr_read(tmp, 0x06), 600 pccard_ccr_read(tmp, 0x0A), 601 pccard_ccr_read(tmp, 0x0C), 602 pccard_ccr_read(tmp, 0x0E), 603 pccard_ccr_read(tmp, 0x10), 604 pccard_ccr_read(tmp, 0x12)); 605 } 606 } 607#endif 608 pf->pf_flags |= PFF_ENABLED; 609 return (0); 610 611 bad: 612 /* 613 * Decrement the reference count, and power down the socket, if 614 * necessary. 615 */ 616 pf->sc->sc_enabled_count--; 617 DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count)); 618 619 return (1); 620} 621 622/* Disable PCCARD function. */ 623static void 624pccard_function_disable(struct pccard_function *pf) 625{ 626 struct pccard_function *tmp; 627 device_t dev = pf->sc->dev; 628 629 if (pf->cfe == NULL) 630 panic("pccard_function_disable: function not initialized"); 631 632 if ((pf->pf_flags & PFF_ENABLED) == 0) { 633 /* 634 * Don't do anything if we're already disabled. 635 */ 636 return; 637 } 638 639 if (pf->intr_handler != NULL) { 640 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev); 641 struct resource_list_entry *rle = 642 resource_list_find(&devi->resources, SYS_RES_IRQ, 0); 643 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res, 644 pf->intr_handler_cookie); 645 } 646 647 /* 648 * it's possible for different functions' CCRs to be in the same 649 * underlying page. Check for that. Note we mark us as disabled 650 * first to avoid matching ourself. 651 */ 652 653 pf->pf_flags &= ~PFF_ENABLED; 654 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) { 655 if ((tmp->pf_flags & PFF_ENABLED) && 656 (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) && 657 ((pf->ccr_base + PCCARD_CCR_SIZE) <= 658 (tmp->ccr_base - tmp->pf_ccr_offset + 659 tmp->pf_ccr_realsize))) 660 break; 661 } 662 663 /* Not used by anyone else; unmap the CCR. */ 664 if (tmp == NULL) { 665 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid, 666 pf->ccr_res); 667 pf->ccr_res = NULL; 668 } 669 670 /* 671 * Decrement the reference count, and power down the socket, if 672 * necessary. 673 */ 674 pf->sc->sc_enabled_count--; 675} 676 677#if 0 678/* XXX These functions are needed, but not like this XXX */ 679int 680pccard_io_map(struct pccard_function *pf, int width, bus_addr_t offset, 681 bus_size_t size, struct pccard_io_handle *pcihp, int *windowp) 682{ 683 int reg; 684 685 if (pccard_chip_io_map(pf->sc->pct, pf->sc->pch, width, offset, size, 686 pcihp, windowp)) 687 return (1); 688 689 /* 690 * XXX in the multifunction multi-iospace-per-function case, this 691 * needs to cooperate with io_alloc to make sure that the spaces 692 * don't overlap, and that the ccr's are set correctly 693 */ 694 695 if (pccard_mfc(pf->sc)) { 696 long tmp, iosize; 697 698 if (pf->pf_mfc_iomax == 0) { 699 pf->pf_mfc_iobase = pcihp->addr + offset; 700 pf->pf_mfc_iomax = pf->pf_mfc_iobase + size; 701 } else { 702 /* this makes the assumption that nothing overlaps */ 703 if (pf->pf_mfc_iobase > pcihp->addr + offset) 704 pf->pf_mfc_iobase = pcihp->addr + offset; 705 if (pf->pf_mfc_iomax < pcihp->addr + offset + size) 706 pf->pf_mfc_iomax = pcihp->addr + offset + size; 707 } 708 709 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase; 710 /* round up to nearest (2^n)-1 */ 711 for (iosize = 1; iosize >= tmp; iosize <<= 1) 712 ; 713 iosize--; 714 715 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0, 716 pf->pf_mfc_iobase & 0xff); 717 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1, 718 (pf->pf_mfc_iobase >> 8) & 0xff); 719 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0); 720 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0); 721 722 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize); 723 724 reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION); 725 reg |= PCCARD_CCR_OPTION_ADDR_DECODE; 726 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg); 727 } 728 return (0); 729} 730 731void 732pccard_io_unmap(struct pccard_function *pf, int window) 733{ 734 735 pccard_chip_io_unmap(pf->sc->pct, pf->sc->pch, window); 736 737 /* XXX Anything for multi-function cards? */ 738} 739#endif 740 741/* 742 * simulate the old "probe" routine. In the new world order, the driver 743 * needs to grab devices while in the old they were assigned to the device by 744 * the pccardd process. These symbols are exported to the upper layers. 745 */ 746static int 747pccard_compat_do_probe(device_t bus, device_t dev) 748{ 749 return (CARD_COMPAT_MATCH(dev)); 750} 751 752static int 753pccard_compat_do_attach(device_t bus, device_t dev) 754{ 755 int err; 756 757 err = CARD_COMPAT_PROBE(dev); 758 if (err == 0) 759 err = CARD_COMPAT_ATTACH(dev); 760 return (err); 761} 762 763#define PCCARD_NPORT 2 764#define PCCARD_NMEM 5 765#define PCCARD_NIRQ 1 766#define PCCARD_NDRQ 0 767 768static int 769pccard_add_children(device_t dev, int busno) 770{ 771 /* Call parent to scan for any current children */ 772 return (0); 773} 774 775static int 776pccard_probe(device_t dev) 777{ 778 device_set_desc(dev, "16-bit PCCard bus"); 779 return (pccard_add_children(dev, device_get_unit(dev))); 780} 781 782static int 783pccard_attach(device_t dev) 784{ 785 struct pccard_softc *sc = PCCARD_SOFTC(dev); 786 787 sc->dev = dev; 788 sc->sc_enabled_count = 0; 789 return (bus_generic_attach(dev)); 790} 791 792static int 793pccard_detach(device_t dev) 794{ 795 pccard_detach_card(dev, 0); 796 return 0; 797} 798 799static void 800pccard_print_resources(struct resource_list *rl, const char *name, int type, 801 int count, const char *format) 802{ 803 struct resource_list_entry *rle; 804 int printed; 805 int i; 806 807 printed = 0; 808 for (i = 0; i < count; i++) { 809 rle = resource_list_find(rl, type, i); 810 if (rle != NULL) { 811 if (printed == 0) 812 printf(" %s ", name); 813 else if (printed > 0) 814 printf(","); 815 printed++; 816 printf(format, rle->start); 817 if (rle->count > 1) { 818 printf("-"); 819 printf(format, rle->start + rle->count - 1); 820 } 821 } else if (i > 3) { 822 /* check the first few regardless */ 823 break; 824 } 825 } 826} 827 828static int 829pccard_print_child(device_t dev, device_t child) 830{ 831 struct pccard_ivar *devi = PCCARD_IVAR(child); 832 struct resource_list *rl = &devi->resources; 833 int retval = 0; 834 835 retval += bus_print_child_header(dev, child); 836 retval += printf(" at"); 837 838 if (devi != NULL) { 839 pccard_print_resources(rl, "port", SYS_RES_IOPORT, 840 PCCARD_NPORT, "%#lx"); 841 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY, 842 PCCARD_NMEM, "%#lx"); 843 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ, 844 "%ld"); 845 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ, 846 "%ld"); 847 retval += printf(" function %d config %d", devi->fcn->number, 848 devi->fcn->cfe->number); 849 } 850 851 retval += bus_print_child_footer(dev, child); 852 853 return (retval); 854} 855 856static int 857pccard_set_resource(device_t dev, device_t child, int type, int rid, 858 u_long start, u_long count) 859{ 860 struct pccard_ivar *devi = PCCARD_IVAR(child); 861 struct resource_list *rl = &devi->resources; 862 863 if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY 864 && type != SYS_RES_IRQ && type != SYS_RES_DRQ) 865 return (EINVAL); 866 if (rid < 0) 867 return (EINVAL); 868 if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT) 869 return (EINVAL); 870 if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM) 871 return (EINVAL); 872 if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ) 873 return (EINVAL); 874 if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ) 875 return (EINVAL); 876 877 resource_list_add(rl, type, rid, start, start + count - 1, count); 878 if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev, 879 type, &rid, start, start + count - 1, count, 0)) 880 return 0; 881 else 882 return ENOMEM; 883} 884 885static int 886pccard_get_resource(device_t dev, device_t child, int type, int rid, 887 u_long *startp, u_long *countp) 888{ 889 struct pccard_ivar *devi = PCCARD_IVAR(child); 890 struct resource_list *rl = &devi->resources; 891 struct resource_list_entry *rle; 892 893 rle = resource_list_find(rl, type, rid); 894 if (rle == NULL) 895 return (ENOENT); 896 897 if (startp != NULL) 898 *startp = rle->start; 899 if (countp != NULL) 900 *countp = rle->count; 901 902 return (0); 903} 904 905static void 906pccard_delete_resource(device_t dev, device_t child, int type, int rid) 907{ 908 struct pccard_ivar *devi = PCCARD_IVAR(child); 909 struct resource_list *rl = &devi->resources; 910 resource_list_delete(rl, type, rid); 911} 912 913static int 914pccard_set_res_flags(device_t dev, device_t child, int type, int rid, 915 u_int32_t flags) 916{ 917 return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type, 918 rid, flags)); 919} 920 921static int 922pccard_set_memory_offset(device_t dev, device_t child, int rid, 923 u_int32_t offset, u_int32_t *deltap) 924 925{ 926 return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid, 927 offset, deltap)); 928} 929 930static int 931pccard_read_ivar(device_t bus, device_t child, int which, u_char *result) 932{ 933 struct pccard_ivar *devi = PCCARD_IVAR(child); 934 struct pccard_function *func = devi->fcn; 935 struct pccard_softc *sc = PCCARD_SOFTC(bus); 936 937 /* PCCARD_IVAR_ETHADDR unhandled from oldcard */ 938 switch (which) { 939 default: 940 case PCCARD_IVAR_ETHADDR: 941 bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN); 942 break; 943 case PCCARD_IVAR_VENDOR: 944 *(u_int32_t *) result = sc->card.manufacturer; 945 break; 946 case PCCARD_IVAR_PRODUCT: 947 *(u_int32_t *) result = sc->card.product; 948 break; 949 case PCCARD_IVAR_FUNCTION: 950 *(u_int32_t *) result = func->function; 951 break; 952 case PCCARD_IVAR_FUNCTION_NUMBER: 953 if (!func) { 954 device_printf(bus, "No function number, bug!\n"); 955 return (ENOENT); 956 } 957 *(u_int32_t *) result = func->number; 958 break; 959 case PCCARD_IVAR_VENDOR_STR: 960 *(char **) result = sc->card.cis1_info[0]; 961 break; 962 case PCCARD_IVAR_PRODUCT_STR: 963 *(char **) result = sc->card.cis1_info[1]; 964 break; 965 case PCCARD_IVAR_CIS3_STR: 966 *(char **) result = sc->card.cis1_info[2]; 967 break; 968 case PCCARD_IVAR_CIS4_STR: 969 *(char **) result = sc->card.cis1_info[2]; 970 break; 971 } 972 return (0); 973} 974 975static void 976pccard_driver_added(device_t dev, driver_t *driver) 977{ 978 struct pccard_softc *sc = PCCARD_SOFTC(dev); 979 struct pccard_function *pf; 980 device_t child; 981 982 if (sc->sc_enabled_count == 0) { 983 CARD_REPROBE_CARD(device_get_parent(dev), dev); 984 return; 985 } 986 987 STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) { 988 if (STAILQ_EMPTY(&pf->cfe_head)) 989 continue; 990 child = pf->dev; 991 if (device_get_state(child) != DS_NOTPRESENT) 992 continue; 993 if (pccard_function_enable(pf) == 0 && 994 device_probe_and_attach(child) == 0) { 995 DEVPRINTF((sc->dev, "function %d CCR at %d " 996 "offset %x: %x %x %x %x, %x %x %x %x, %x\n", 997 pf->number, pf->pf_ccr_window, pf->pf_ccr_offset, 998 pccard_ccr_read(pf, 0x00), 999 pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04), 1000 pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A), 1001 pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E), 1002 pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12))); 1003 } else { 1004 pccard_function_disable(pf); 1005 } 1006 } 1007 return; 1008} 1009 1010static struct resource * 1011pccard_alloc_resource(device_t dev, device_t child, int type, int *rid, 1012 u_long start, u_long end, u_long count, u_int flags) 1013{ 1014 struct pccard_ivar *dinfo; 1015 struct resource_list_entry *rle = 0; 1016 int passthrough = (device_get_parent(child) != dev); 1017 1018 if (passthrough) { 1019 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 1020 type, rid, start, end, count, flags)); 1021 } 1022 1023 dinfo = device_get_ivars(child); 1024 rle = resource_list_find(&dinfo->resources, type, *rid); 1025 1026 if (!rle) 1027 return NULL; /* no resource of that type/rid */ 1028 1029 if (!rle->res) { 1030 device_printf(dev, "WARNING: Resource not reserved by pccard bus\n"); 1031 return NULL; 1032 } else { 1033 if (rle->res->r_dev != dev) return NULL; 1034 bus_release_resource(dev, type, *rid, rle->res); 1035 rle->res = NULL; 1036 switch(type) { 1037 case SYS_RES_IOPORT: 1038 case SYS_RES_MEMORY: 1039 if (!(flags & RF_ALIGNMENT_MASK)) 1040 flags |= rman_make_alignment_flags(rle->count); 1041 break; 1042 case SYS_RES_IRQ: 1043 flags |= RF_SHAREABLE; 1044 break; 1045 } 1046 return resource_list_alloc(&dinfo->resources, dev, child, type, 1047 rid, rle->start, rle->end, rle->count, flags); 1048 } 1049} 1050 1051static int 1052pccard_release_resource(device_t dev, device_t child, int type, int rid, 1053 struct resource *r) 1054{ 1055 struct pccard_ivar *dinfo; 1056 int passthrough = (device_get_parent(child) != dev); 1057 struct resource_list_entry *rle = 0; 1058 int ret; 1059 int flags; 1060 1061 if (passthrough) 1062 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1063 type, rid, r); 1064 1065 dinfo = device_get_ivars(child); 1066 1067 rle = resource_list_find(&dinfo->resources, type, rid); 1068 1069 if (!rle) { 1070 device_printf(dev, "Allocated resource not found, " 1071 "%d %x %lx %lx\n", 1072 type, rid, rman_get_start(r), rman_get_size(r)); 1073 return ENOENT; 1074 } 1075 if (!rle->res) { 1076 device_printf(dev, "Allocated resource not recorded\n"); 1077 return ENOENT; 1078 } 1079 1080 ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, 1081 type, rid, r); 1082 switch(type) { 1083 case SYS_RES_IOPORT: 1084 case SYS_RES_MEMORY: 1085 flags = rman_make_alignment_flags(rle->count); 1086 break; 1087 case SYS_RES_IRQ: 1088 flags = RF_SHAREABLE; 1089 break; 1090 default: 1091 flags = 0; 1092 } 1093 rle->res = bus_alloc_resource(dev, type, &rid, 1094 rle->start, rle->end, rle->count, flags); 1095 if (rle->res == NULL) 1096 device_printf(dev, "release_resource: " 1097 "unable to reaquire resource\n"); 1098 return ret; 1099} 1100 1101static void 1102pccard_child_detached(device_t parent, device_t dev) 1103{ 1104 struct pccard_ivar *ivar = PCCARD_IVAR(dev); 1105 struct pccard_function *pf = ivar->fcn; 1106 1107 pccard_function_disable(pf); 1108} 1109 1110static void 1111pccard_intr(void *arg) 1112{ 1113 struct pccard_function *pf = (struct pccard_function*) arg; 1114 int reg; 1115 1116 /* 1117 * If we go to resetting a card, we may need a null interrupt hanlder 1118 * to work (since the system may call it before the device can 1119 * establish an ISR) due to interrupt sharing at a higher level. 1120 */ 1121 if (pf->intr_handler == NULL) 1122 panic("Null interrupt handler?\n"); 1123 1124 /* 1125 * XXX The CCR_STATUS register bits used here are 1126 * only valid for multi function cards. 1127 */ 1128 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS); 1129 if (reg & PCCARD_CCR_STATUS_INTR) { 1130 pccard_ccr_write(pf, PCCARD_CCR_STATUS, 1131 reg & ~PCCARD_CCR_STATUS_INTR); 1132 pf->intr_handler(pf->intr_handler_arg); 1133 } 1134} 1135 1136static int 1137pccard_setup_intr(device_t dev, device_t child, struct resource *irq, 1138 int flags, driver_intr_t *intr, void *arg, void **cookiep) 1139{ 1140 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1141 struct pccard_function *func = ivar->fcn; 1142 1143 if (func->intr_handler != NULL) 1144 panic("Only one interrupt handler per function allowed\n"); 1145 1146 func->intr_handler = intr; 1147 func->intr_handler_arg = arg; 1148 func->intr_handler_cookie = *cookiep; 1149 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1150 pccard_ccr_read(func, PCCARD_CCR_OPTION) | 1151 PCCARD_CCR_OPTION_IREQ_ENABLE); 1152 1153 /* 1154 * XXX Don't use TTY type for our interrupt handler. It makes 1155 * the spl masks wrong on -stable. Instead, we should use the type 1156 * that was requested of us. 1157 */ 1158 bus_setup_intr(dev, irq, INTR_TYPE_TTY/* | INTR_FAST*/, 1159 pccard_intr, func, cookiep); 1160 return (0); 1161} 1162 1163static int 1164pccard_teardown_intr(device_t dev, device_t child, struct resource *r, 1165 void *cookie) 1166{ 1167 struct pccard_ivar *ivar = PCCARD_IVAR(child); 1168 struct pccard_function *func = ivar->fcn; 1169 int ret; 1170 1171 pccard_ccr_write(func, PCCARD_CCR_OPTION, 1172 pccard_ccr_read(func, PCCARD_CCR_OPTION) & 1173 ~PCCARD_CCR_OPTION_IREQ_ENABLE); 1174 1175 ret = bus_teardown_intr(dev, r, cookie); 1176 if (ret == 0) { 1177 func->intr_handler = NULL; 1178 func->intr_handler_arg = NULL; 1179 func->intr_handler_cookie = NULL; 1180 } 1181 1182 return (ret); 1183} 1184 1185static device_method_t pccard_methods[] = { 1186 /* Device interface */ 1187 DEVMETHOD(device_probe, pccard_probe), 1188 DEVMETHOD(device_attach, pccard_attach), 1189 DEVMETHOD(device_detach, pccard_detach), 1190 DEVMETHOD(device_shutdown, bus_generic_shutdown), 1191 DEVMETHOD(device_suspend, bus_generic_suspend), 1192 DEVMETHOD(device_resume, bus_generic_resume), 1193 1194 /* Bus interface */ 1195 DEVMETHOD(bus_print_child, pccard_print_child), 1196 DEVMETHOD(bus_driver_added, pccard_driver_added), 1197 DEVMETHOD(bus_child_detached, pccard_child_detached), 1198 DEVMETHOD(bus_alloc_resource, pccard_alloc_resource), 1199 DEVMETHOD(bus_release_resource, pccard_release_resource), 1200 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 1201 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 1202 DEVMETHOD(bus_setup_intr, pccard_setup_intr), 1203 DEVMETHOD(bus_teardown_intr, pccard_teardown_intr), 1204 DEVMETHOD(bus_set_resource, pccard_set_resource), 1205 DEVMETHOD(bus_get_resource, pccard_get_resource), 1206 DEVMETHOD(bus_delete_resource, pccard_delete_resource), 1207 DEVMETHOD(bus_read_ivar, pccard_read_ivar), 1208 1209 /* Card Interface */ 1210 DEVMETHOD(card_set_res_flags, pccard_set_res_flags), 1211 DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset), 1212 DEVMETHOD(card_get_type, pccard_card_gettype), 1213 DEVMETHOD(card_attach_card, pccard_attach_card), 1214 DEVMETHOD(card_detach_card, pccard_detach_card), 1215 DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe), 1216 DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach), 1217 1218 { 0, 0 } 1219}; 1220 1221static driver_t pccard_driver = { 1222 "pccard", 1223 pccard_methods, 1224 sizeof(struct pccard_softc) 1225}; 1226 1227devclass_t pccard_devclass; 1228 1229DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0); 1230DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0); 1231DRIVER_MODULE(pccard, pccbb, pccard_driver, pccard_devclass, 0, 0); 1232DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0); 1233MODULE_VERSION(pccard, 1); 1234/*MODULE_DEPEND(pccard, pcic, 1, 1, 1);*/ 1235