sys/dev/pccard/pccard.c

   1 /*      $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $     */
   2 /* $FreeBSD$ */
   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/sysctl.h>
  40 #include <sys/types.h>
  41
  42 #include <sys/bus.h>
  43 #include <machine/bus.h>
  44 #include <sys/rman.h>
  45 #include <machine/resource.h>
  46
  47 #include <net/ethernet.h>
  48
  49 #include <dev/pccard/pccardreg.h>
  50 #include <dev/pccard/pccardvar.h>
  51
  52 #include "power_if.h"
  53 #include "card_if.h"
  54
  55 #define PCCARDDEBUG
  56
  57 /* sysctl vars */
  58 SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters");
  59
  60 int     pccard_debug = 0;
  61 TUNABLE_INT("hw.pccard.debug", &pccard_debug);
  62 SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW,
  63     &pccard_debug, 0,
  64   "pccard debug");
  65
  66 int     pccard_cis_debug = 0;
  67 TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug);
  68 SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW,
  69     &pccard_cis_debug, 0, "pccard CIS debug");
  70
  71 #ifdef PCCARDDEBUG
  72 #define DPRINTF(arg) if (pccard_debug) printf arg
  73 #define DEVPRINTF(arg) if (pccard_debug) device_printf arg
  74 #define PRVERBOSE(arg) printf arg
  75 #define DEVPRVERBOSE(arg) device_printf arg
  76 #else
  77 #define DPRINTF(arg)
  78 #define DEVPRINTF(arg)
  79 #define PRVERBOSE(arg) if (bootverbose) printf arg
  80 #define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg
  81 #endif
  82
  83 static int      pccard_ccr_read(struct pccard_function *pf, int ccr);
  84 static void     pccard_ccr_write(struct pccard_function *pf, int ccr, int val);
  85 static int      pccard_attach_card(device_t dev);
  86 static int      pccard_detach_card(device_t dev, int flags);
  87 static int      pccard_card_gettype(device_t dev, int *type);
  88 static void     pccard_function_init(struct pccard_function *pf);
  89 static void     pccard_function_free(struct pccard_function *pf);
  90 static int      pccard_function_enable(struct pccard_function *pf);
  91 static void     pccard_function_disable(struct pccard_function *pf);
  92 static int      pccard_compat_do_probe(device_t bus, device_t dev);
  93 static int      pccard_compat_do_attach(device_t bus, device_t dev);
  94 static int      pccard_add_children(device_t dev, int busno);
  95 static int      pccard_probe(device_t dev);
  96 static int      pccard_attach(device_t dev);
  97 static int      pccard_detach(device_t dev);
  98 static void     pccard_print_resources(struct resource_list *rl,
  99                     const char *name, int type, int count, const char *format);
 100 static int      pccard_print_child(device_t dev, device_t child);
 101 static int      pccard_set_resource(device_t dev, device_t child, int type,
 102                     int rid, u_long start, u_long count);
 103 static int      pccard_get_resource(device_t dev, device_t child, int type,
 104                     int rid, u_long *startp, u_long *countp);
 105 static void     pccard_delete_resource(device_t dev, device_t child, int type,
 106                     int rid);
 107 static int      pccard_set_res_flags(device_t dev, device_t child, int type,
 108                     int rid, u_int32_t flags);
 109 static int      pccard_set_memory_offset(device_t dev, device_t child, int rid,
 110                     u_int32_t offset, u_int32_t *deltap);
 111 static int      pccard_read_ivar(device_t bus, device_t child, int which,
 112                     u_char *result);
 113 static void     pccard_driver_added(device_t dev, driver_t *driver);
 114 static struct resource *pccard_alloc_resource(device_t dev,
 115                     device_t child, int type, int *rid, u_long start,
 116                     u_long end, u_long count, u_int flags);
 117 static int      pccard_release_resource(device_t dev, device_t child, int type,
 118                     int rid, struct resource *r);
 119 static void     pccard_child_detached(device_t parent, device_t dev);
 120 static void     pccard_intr(void *arg);
 121 static int      pccard_setup_intr(device_t dev, device_t child,
 122                     struct resource *irq, int flags, driver_intr_t *intr,
 123                     void *arg, void **cookiep);
 124 static int      pccard_teardown_intr(device_t dev, device_t child,
 125                     struct resource *r, void *cookie);
 126
 127 static const struct pccard_product *
 128 pccard_do_product_lookup(device_t bus, device_t dev,
 129                          const struct pccard_product *tab, size_t ent_size,
 130                          pccard_product_match_fn matchfn);
 131
 132
 133 static int
 134 pccard_ccr_read(struct pccard_function *pf, int ccr)
 135 {
 136         return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh,
 137             pf->pf_ccr_offset + ccr));
 138 }
 139
 140 static void
 141 pccard_ccr_write(struct pccard_function *pf, int ccr, int val)
 142 {
 143         if ((pf->ccr_mask) & (1 << (ccr / 2))) {
 144                 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh,
 145                     pf->pf_ccr_offset + ccr, val);
 146         }
 147 }
 148
 149 static int
 150 pccard_attach_card(device_t dev)
 151 {
 152         struct pccard_softc *sc = PCCARD_SOFTC(dev);
 153         struct pccard_function *pf;
 154         struct pccard_ivar *ivar;
 155         device_t child;
 156         int i;
 157
 158         /*
 159          * this is here so that when socket_enable calls gettype, trt happens
 160          */
 161         STAILQ_INIT(&sc->card.pf_head);
 162
 163         DEVPRINTF((dev, "chip_socket_enable\n"));
 164         POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
 165
 166         DEVPRINTF((dev, "read_cis\n"));
 167         pccard_read_cis(sc);
 168
 169         DEVPRINTF((dev, "check_cis_quirks\n"));
 170         pccard_check_cis_quirks(dev);
 171
 172         /*
 173          * bail now if the card has no functions, or if there was an error in
 174          * the cis.
 175          */
 176
 177         if (sc->card.error) {
 178                 device_printf(dev, "CARD ERROR!\n");
 179                 return (1);
 180         }
 181         if (STAILQ_EMPTY(&sc->card.pf_head)) {
 182                 device_printf(dev, "Card has no functions!\n");
 183                 return (1);
 184         }
 185
 186         if (bootverbose || pccard_debug)
 187                 pccard_print_cis(dev);
 188
 189         DEVPRINTF((dev, "functions scanning\n"));
 190         i = -1;
 191         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
 192                 i++;
 193                 if (STAILQ_EMPTY(&pf->cfe_head)) {
 194                         device_printf(dev,
 195                             "Function %d has no config entries.!\n", i);
 196                         continue;
 197                 }
 198                 pf->sc = sc;
 199                 pf->cfe = NULL;
 200                 pf->dev = NULL;
 201         }
 202         DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i,
 203             pccard_mfc(sc)));
 204
 205         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
 206                 if (STAILQ_EMPTY(&pf->cfe_head))
 207                         continue;
 208                 /*
 209                  * In NetBSD, the drivers are responsible for activating
 210                  * each function of a card.  I think that in FreeBSD we
 211                  * want to activate them enough for the usual bus_*_resource
 212                  * routines will do the right thing.  This many mean a
 213                  * departure from the current NetBSD model.
 214                  *
 215                  * This could get really ugly for multifunction cards.  But
 216                  * it might also just fall out of the FreeBSD resource model.
 217                  *
 218                  */
 219                 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF,
 220                     M_WAITOK | M_ZERO);
 221                 child = device_add_child(dev, NULL, -1);
 222                 device_set_ivars(child, ivar);
 223                 ivar->fcn = pf;
 224                 pf->dev = child;
 225                 /*
 226                  * XXX We might want to move the next two lines into
 227                  * XXX the pccard interface layer.  For the moment, this
 228                  * XXX is OK, but some drivers want to pick the config
 229                  * XXX entry to use as well as some address tweaks (mostly
 230                  * XXX due to bugs in decode logic that makes some
 231                  * XXX addresses illegal or broken).
 232                  */
 233                 pccard_function_init(pf);
 234                 if (sc->sc_enabled_count == 0)
 235                         POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
 236                 if (pccard_function_enable(pf) == 0 &&
 237                     device_probe_and_attach(child) == 0) {
 238                         DEVPRINTF((sc->dev, "function %d CCR at %d "
 239                             "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
 240                             pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
 241                             pccard_ccr_read(pf, 0x00),
 242                         pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
 243                         pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
 244                         pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
 245                         pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
 246                 } else {
 247                         if (pf->cfe != NULL)
 248                                 pccard_function_disable(pf);
 249                 }
 250         }
 251         if (sc->sc_enabled_count == 0)
 252                 pccard_detach_card(dev, 0);
 253         return (0);
 254 }
 255
 256 static int
 257 pccard_detach_card(device_t dev, int flags)
 258 {
 259         struct pccard_softc *sc = PCCARD_SOFTC(dev);
 260         struct pccard_function *pf;
 261         struct pccard_config_entry *cfe;
 262
 263         /*
 264          * We are running on either the PCCARD socket's event thread
 265          * or in user context detaching a device by user request.
 266          */
 267         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
 268                 int state = device_get_state(pf->dev);
 269
 270                 if (state == DS_ATTACHED || state == DS_BUSY)
 271                         device_detach(pf->dev);
 272                 if (pf->cfe != NULL)
 273                         pccard_function_disable(pf);
 274                 pccard_function_free(pf);
 275                 if (pf->dev != NULL)
 276                         device_delete_child(dev, pf->dev);
 277         }
 278         if (sc->sc_enabled_count == 0)
 279                 POWER_DISABLE_SOCKET(device_get_parent(dev), dev);
 280
 281         while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) {
 282                 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) {
 283                         STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list);
 284                         free(cfe, M_DEVBUF);
 285                 }
 286                 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
 287                 free(pf, M_DEVBUF);
 288         }
 289         return (0);
 290 }
 291
 292 static const struct pccard_product *
 293 pccard_do_product_lookup(device_t bus, device_t dev,
 294                          const struct pccard_product *tab, size_t ent_size,
 295                          pccard_product_match_fn matchfn)
 296 {
 297         const struct pccard_product *ent;
 298         int matches;
 299         u_int32_t fcn;
 300         u_int32_t vendor;
 301         u_int32_t prod;
 302         char *vendorstr;
 303         char *prodstr;
 304
 305 #ifdef DIAGNOSTIC
 306         if (sizeof *ent > ent_size)
 307                 panic("pccard_product_lookup: bogus ent_size %ld",
 308                     (long) ent_size);
 309 #endif
 310         if (pccard_get_vendor(dev, &vendor))
 311                 return (NULL);
 312         if (pccard_get_product(dev, &prod))
 313                 return (NULL);
 314         if (pccard_get_function_number(dev, &fcn))
 315                 return (NULL);
 316         if (pccard_get_vendor_str(dev, &vendorstr))
 317                 return (NULL);
 318         if (pccard_get_product_str(dev, &prodstr))
 319                 return (NULL);
 320         for (ent = tab; ent->pp_name != NULL; ent =
 321             (const struct pccard_product *) ((const char *) ent + ent_size)) {
 322                 matches = 1;
 323                 if (ent->pp_vendor == PCCARD_VENDOR_ANY &&
 324                     ent->pp_product == PCCARD_VENDOR_ANY &&
 325                     ent->pp_cis[0] == NULL &&
 326                     ent->pp_cis[1] == NULL) {
 327                         device_printf(dev,
 328                             "Total wildcard entry ignored for %s\n",
 329                             ent->pp_name);
 330                         continue;
 331                 }
 332                 if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY &&
 333                     vendor != ent->pp_vendor)
 334                         matches = 0;
 335                 if (matches && ent->pp_product != PCCARD_PRODUCT_ANY &&
 336                     prod != ent->pp_product)
 337                         matches = 0;
 338                 if (matches && fcn != ent->pp_expfunc)
 339                         matches = 0;
 340                 if (matches && ent->pp_cis[0] &&
 341                     strcmp(ent->pp_cis[0], vendorstr) != 0)
 342                         matches = 0;
 343                 if (matches && ent->pp_cis[1] &&
 344                     strcmp(ent->pp_cis[1], prodstr) != 0)
 345                         matches = 0;
 346                 /* XXX need to match cis[2] and cis[3] also XXX */
 347                 if (matchfn != NULL)
 348                         matches = (*matchfn)(dev, ent, matches);
 349                 if (matches)
 350                         return (ent);
 351         }
 352         return (NULL);
 353 }
 354
 355 static int
 356 pccard_card_gettype(device_t dev, int *type)
 357 {
 358         struct pccard_softc *sc = PCCARD_SOFTC(dev);
 359         struct pccard_function *pf;
 360
 361         /*
 362          * set the iftype to memory if this card has no functions (not yet
 363          * probed), or only one function, and that is not initialized yet or
 364          * that is memory.
 365          */
 366         pf = STAILQ_FIRST(&sc->card.pf_head);
 367         if (pf == NULL ||
 368             (STAILQ_NEXT(pf, pf_list) == NULL &&
 369             (pf->cfe == NULL || pf->cfe->iftype == PCCARD_IFTYPE_MEMORY)))
 370                 *type = PCCARD_IFTYPE_MEMORY;
 371         else
 372                 *type = PCCARD_IFTYPE_IO;
 373         return (0);
 374 }
 375
 376 /*
 377  * Initialize a PCCARD function.  May be called as long as the function is
 378  * disabled.
 379  *
 380  * Note: pccard_function_init should not keep resources allocated.  It should
 381  * only set them up ala isa pnp, set the values in the rl lists, and return.
 382  * Any resource held after pccard_function_init is called is a bug.  However,
 383  * the bus routines to get the resources also assume that pccard_function_init
 384  * does this, so they need to be fixed too.
 385  */
 386 static void
 387 pccard_function_init(struct pccard_function *pf)
 388 {
 389         struct pccard_config_entry *cfe;
 390         int i;
 391         struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
 392         struct resource_list *rl = &devi->resources;
 393         struct resource_list_entry *rle;
 394         struct resource *r = 0;
 395         device_t bus;
 396         int start;
 397         int end;
 398         int spaces;
 399
 400         if (pf->pf_flags & PFF_ENABLED) {
 401                 printf("pccard_function_init: function is enabled");
 402                 return;
 403         }
 404         bus = device_get_parent(pf->dev);
 405         /* Remember which configuration entry we are using. */
 406         STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
 407                 for (i = 0; i < cfe->num_iospace; i++)
 408                         cfe->iores[i] = NULL;
 409                 cfe->irqres = NULL;
 410                 spaces = 0;
 411                 for (i = 0; i < cfe->num_iospace; i++) {
 412                         start = cfe->iospace[i].start;
 413                         if (start)
 414                                 end = start + cfe->iospace[i].length - 1;
 415                         else
 416                                 end = ~0;
 417                         cfe->iorid[i] = i;
 418                         DEVPRINTF((bus, "I/O rid %d start %x end %x\n",
 419                             i, start, end));
 420                         r = cfe->iores[i] = bus_alloc_resource(bus,
 421                             SYS_RES_IOPORT, &cfe->iorid[i], start, end,
 422                             cfe->iospace[i].length,
 423                             rman_make_alignment_flags(cfe->iospace[i].length));
 424                         if (cfe->iores[i] == NULL)
 425                                 goto not_this_one;
 426                         resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i],
 427                             rman_get_start(r), rman_get_end(r),
 428                             cfe->iospace[i].length);
 429                         rle = resource_list_find(rl, SYS_RES_IOPORT,
 430                             cfe->iorid[i]);
 431                         rle->res = r;
 432                         spaces++;
 433                 }
 434                 if (cfe->num_memspace > 0) {
 435                         /*
 436                          * Not implement yet, Fix me.
 437                          */
 438                         DEVPRINTF((bus, "Memory space not yet implemented.\n"));
 439                 }
 440                 if (spaces == 0) {
 441                         DEVPRINTF((bus, "Neither memory nor I/O mampped\n"));
 442                         goto not_this_one;
 443                 }
 444                 if (cfe->irqmask) {
 445                         cfe->irqrid = 0;
 446                         r = cfe->irqres = bus_alloc_resource(bus, SYS_RES_IRQ,
 447                             &cfe->irqrid, 0, ~0, 1, 0);
 448                         if (cfe->irqres == NULL)
 449                                 goto not_this_one;
 450                         resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid,
 451                             rman_get_start(r), rman_get_end(r), 1);
 452                         rle = resource_list_find(rl, SYS_RES_IRQ,
 453                             cfe->irqrid);
 454                         rle->res = r;
 455                 }
 456                 /* If we get to here, we've allocated all we need */
 457                 pf->cfe = cfe;
 458                 break;
 459             not_this_one:;
 460                 DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n",
 461                     cfe->number));
 462                 /*
 463                  * Release resources that we partially allocated
 464                  * from this config entry.
 465                  */
 466                 for (i = 0; i < cfe->num_iospace; i++) {
 467                         if (cfe->iores[i] != NULL) {
 468                                 bus_release_resource(bus, SYS_RES_IOPORT,
 469                                     cfe->iorid[i], cfe->iores[i]);
 470                                 rle = resource_list_find(rl, SYS_RES_IOPORT,
 471                                     cfe->iorid[i]);
 472                                 rle->res = NULL;
 473                                 resource_list_delete(rl, SYS_RES_IOPORT,
 474                                     cfe->iorid[i]);
 475                         }
 476                         cfe->iores[i] = NULL;
 477                 }
 478                 if (cfe->irqmask && cfe->irqres != NULL) {
 479                         bus_release_resource(bus, SYS_RES_IRQ,
 480                             cfe->irqrid, cfe->irqres);
 481                         rle = resource_list_find(rl, SYS_RES_IRQ,
 482                             cfe->irqrid);
 483                         rle->res = NULL;
 484                         resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid);
 485                         cfe->irqres = NULL;
 486                 }
 487         }
 488 }
 489
 490 /*
 491  * Free resources allocated by pccard_function_init(), May be called as long
 492  * as the function is disabled.
 493  *
 494  * NOTE: This function should be unnecessary.  pccard_function_init should
 495  * never keep resources initialized.
 496  */
 497 static void
 498 pccard_function_free(struct pccard_function *pf)
 499 {
 500         struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
 501         struct resource_list_entry *rle;
 502
 503         if (pf->pf_flags & PFF_ENABLED) {
 504                 printf("pccard_function_init: function is enabled");
 505                 return;
 506         }
 507
 508         SLIST_FOREACH(rle, &devi->resources, link) {
 509                 if (rle->res) {
 510                         if (rle->res->r_dev != pf->sc->dev)
 511                                 device_printf(pf->sc->dev,
 512                                     "function_free: Resource still owned by "
 513                                     "child, oops. "
 514                                     "(type=%d, rid=%d, addr=%lx)\n",
 515                                     rle->type, rle->rid,
 516                                     rman_get_start(rle->res));
 517                         BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev),
 518                             rle->res->r_dev, rle->type, rle->rid, rle->res);
 519                         rle->res = NULL;
 520                 }
 521         }
 522         resource_list_free(&devi->resources);
 523 }
 524
 525 /* Enable a PCCARD function */
 526 static int
 527 pccard_function_enable(struct pccard_function *pf)
 528 {
 529         struct pccard_function *tmp;
 530         int reg;
 531         device_t dev = pf->sc->dev;
 532
 533         if (pf->cfe == NULL) {
 534                 DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
 535                 return (ENOMEM);
 536         }
 537
 538         /*
 539          * Increase the reference count on the socket, enabling power, if
 540          * necessary.
 541          */
 542         pf->sc->sc_enabled_count++;
 543
 544         if (pf->pf_flags & PFF_ENABLED) {
 545                 /*
 546                  * Don't do anything if we're already enabled.
 547                  */
 548                 return (0);
 549         }
 550
 551         /*
 552          * it's possible for different functions' CCRs to be in the same
 553          * underlying page.  Check for that.
 554          */
 555         STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
 556                 if ((tmp->pf_flags & PFF_ENABLED) &&
 557                     (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
 558                     ((pf->ccr_base + PCCARD_CCR_SIZE) <=
 559                     (tmp->ccr_base - tmp->pf_ccr_offset +
 560                     tmp->pf_ccr_realsize))) {
 561                         pf->pf_ccrt = tmp->pf_ccrt;
 562                         pf->pf_ccrh = tmp->pf_ccrh;
 563                         pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
 564
 565                         /*
 566                          * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
 567                          * tmp->ccr_base) + pf->ccr_base;
 568                          */
 569                         /* pf->pf_ccr_offset =
 570                             (tmp->pf_ccr_offset + pf->ccr_base) -
 571                             tmp->ccr_base; */
 572                         pf->pf_ccr_window = tmp->pf_ccr_window;
 573                         break;
 574                 }
 575         }
 576         if (tmp == NULL) {
 577                 pf->ccr_rid = 0;
 578                 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
 579                     &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
 580                 if (!pf->ccr_res)
 581                         goto bad;
 582                 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%lx\n",
 583                     rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
 584                     pf->ccr_base));
 585                 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
 586                     pf->ccr_rid, PCCARD_A_MEM_ATTR);
 587                 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
 588                     pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
 589                 pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
 590                 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
 591                 pf->pf_ccr_realsize = 1;
 592         }
 593
 594         reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
 595         reg |= PCCARD_CCR_OPTION_LEVIREQ;
 596         if (pccard_mfc(pf->sc)) {
 597                 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
 598                         PCCARD_CCR_OPTION_ADDR_DECODE);
 599                 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
 600         }
 601         pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
 602
 603         reg = 0;
 604         if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
 605                 reg |= PCCARD_CCR_STATUS_IOIS8;
 606         if (pf->cfe->flags & PCCARD_CFE_AUDIO)
 607                 reg |= PCCARD_CCR_STATUS_AUDIO;
 608         pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
 609
 610         pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
 611
 612         if (pccard_mfc(pf->sc)) {
 613                 long tmp, iosize;
 614
 615                 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
 616                 /* round up to nearest (2^n)-1 */
 617                 for (iosize = 1; iosize < tmp; iosize <<= 1)
 618                         ;
 619                 iosize--;
 620
 621                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
 622                                  pf->pf_mfc_iobase & 0xff);
 623                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
 624                                  (pf->pf_mfc_iobase >> 8) & 0xff);
 625                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
 626                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
 627
 628                 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
 629         }
 630
 631 #ifdef PCCARDDEBUG
 632         if (pccard_debug) {
 633                 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
 634                         device_printf(tmp->sc->dev,
 635                             "function %d CCR at %d offset %x: "
 636                             "%x %x %x %x, %x %x %x %x, %x\n",
 637                             tmp->number, tmp->pf_ccr_window,
 638                             tmp->pf_ccr_offset,
 639                             pccard_ccr_read(tmp, 0x00),
 640                             pccard_ccr_read(tmp, 0x02),
 641                             pccard_ccr_read(tmp, 0x04),
 642                             pccard_ccr_read(tmp, 0x06),
 643                             pccard_ccr_read(tmp, 0x0A),
 644                             pccard_ccr_read(tmp, 0x0C),
 645                             pccard_ccr_read(tmp, 0x0E),
 646                             pccard_ccr_read(tmp, 0x10),
 647                             pccard_ccr_read(tmp, 0x12));
 648                 }
 649         }
 650 #endif
 651         pf->pf_flags |= PFF_ENABLED;
 652         return (0);
 653
 654  bad:
 655         /*
 656          * Decrement the reference count, and power down the socket, if
 657          * necessary.
 658          */
 659         pf->sc->sc_enabled_count--;
 660         DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));
 661
 662         return (1);
 663 }
 664
 665 /* Disable PCCARD function. */
 666 static void
 667 pccard_function_disable(struct pccard_function *pf)
 668 {
 669         struct pccard_function *tmp;
 670         device_t dev = pf->sc->dev;
 671
 672         if (pf->cfe == NULL)
 673                 panic("pccard_function_disable: function not initialized");
 674
 675         if ((pf->pf_flags & PFF_ENABLED) == 0) {
 676                 /*
 677                  * Don't do anything if we're already disabled.
 678                  */
 679                 return;
 680         }
 681
 682         if (pf->intr_handler != NULL) {
 683                 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
 684                 struct resource_list_entry *rle =
 685                     resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
 686                 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
 687                     pf->intr_handler_cookie);
 688         }
 689
 690         /*
 691          * it's possible for different functions' CCRs to be in the same
 692          * underlying page.  Check for that.  Note we mark us as disabled
 693          * first to avoid matching ourself.
 694          */
 695
 696         pf->pf_flags &= ~PFF_ENABLED;
 697         STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
 698                 if ((tmp->pf_flags & PFF_ENABLED) &&
 699                     (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
 700                     ((pf->ccr_base + PCCARD_CCR_SIZE) <=
 701                     (tmp->ccr_base - tmp->pf_ccr_offset +
 702                     tmp->pf_ccr_realsize)))
 703                         break;
 704         }
 705
 706         /* Not used by anyone else; unmap the CCR. */
 707         if (tmp == NULL) {
 708                 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
 709                     pf->ccr_res);
 710                 pf->ccr_res = NULL;
 711         }
 712
 713         /*
 714          * Decrement the reference count, and power down the socket, if
 715          * necessary.
 716          */
 717         pf->sc->sc_enabled_count--;
 718 }
 719
 720 #if 0
 721 /* XXX These functions are needed, but not like this XXX */
 722 int
 723 pccard_io_map(struct pccard_function *pf, int width, bus_addr_t offset,
 724     bus_size_t size, struct pccard_io_handle *pcihp, int *windowp)
 725 {
 726         int reg;
 727
 728         if (pccard_chip_io_map(pf->sc->pct, pf->sc->pch, width, offset, size,
 729             pcihp, windowp))
 730                 return (1);
 731
 732         /*
 733          * XXX in the multifunction multi-iospace-per-function case, this
 734          * needs to cooperate with io_alloc to make sure that the spaces
 735          * don't overlap, and that the ccr's are set correctly
 736          */
 737
 738         if (pccard_mfc(pf->sc)) {
 739                 long tmp, iosize;
 740
 741                 if (pf->pf_mfc_iomax == 0) {
 742                         pf->pf_mfc_iobase = pcihp->addr + offset;
 743                         pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
 744                 } else {
 745                         /* this makes the assumption that nothing overlaps */
 746                         if (pf->pf_mfc_iobase > pcihp->addr + offset)
 747                                 pf->pf_mfc_iobase = pcihp->addr + offset;
 748                         if (pf->pf_mfc_iomax < pcihp->addr + offset + size)
 749                                 pf->pf_mfc_iomax = pcihp->addr + offset + size;
 750                 }
 751
 752                 tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
 753                 /* round up to nearest (2^n)-1 */
 754                 for (iosize = 1; iosize >= tmp; iosize <<= 1)
 755                         ;
 756                 iosize--;
 757
 758                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
 759                     pf->pf_mfc_iobase & 0xff);
 760                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
 761                     (pf->pf_mfc_iobase >> 8) & 0xff);
 762                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
 763                 pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
 764
 765                 pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
 766
 767                 reg = pccard_ccr_read(pf, PCCARD_CCR_OPTION);
 768                 reg |= PCCARD_CCR_OPTION_ADDR_DECODE;
 769                 pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
 770         }
 771         return (0);
 772 }
 773
 774 void
 775 pccard_io_unmap(struct pccard_function *pf, int window)
 776 {
 777
 778         pccard_chip_io_unmap(pf->sc->pct, pf->sc->pch, window);
 779
 780         /* XXX Anything for multi-function cards? */
 781 }
 782 #endif
 783
 784 /*
 785  * simulate the old "probe" routine.  In the new world order, the driver
 786  * needs to grab devices while in the old they were assigned to the device by
 787  * the pccardd process.  These symbols are exported to the upper layers.
 788  */
 789 static int
 790 pccard_compat_do_probe(device_t bus, device_t dev)
 791 {
 792         return (CARD_COMPAT_MATCH(dev));
 793 }
 794
 795 static int
 796 pccard_compat_do_attach(device_t bus, device_t dev)
 797 {
 798         int err;
 799
 800         err = CARD_COMPAT_PROBE(dev);
 801         if (err == 0)
 802                 err = CARD_COMPAT_ATTACH(dev);
 803         return (err);
 804 }
 805
 806 #define PCCARD_NPORT    2
 807 #define PCCARD_NMEM     5
 808 #define PCCARD_NIRQ     1
 809 #define PCCARD_NDRQ     0
 810
 811 static int
 812 pccard_add_children(device_t dev, int busno)
 813 {
 814         /* Call parent to scan for any current children */
 815         return (0);
 816 }
 817
 818 static int
 819 pccard_probe(device_t dev)
 820 {
 821         device_set_desc(dev, "16-bit PCCard bus");
 822         return (pccard_add_children(dev, device_get_unit(dev)));
 823 }
 824
 825 static int
 826 pccard_attach(device_t dev)
 827 {
 828         struct pccard_softc *sc = PCCARD_SOFTC(dev);
 829
 830         sc->dev = dev;
 831         sc->sc_enabled_count = 0;
 832         return (bus_generic_attach(dev));
 833 }
 834
 835 static int
 836 pccard_detach(device_t dev)
 837 {
 838         pccard_detach_card(dev, 0);
 839         return 0;
 840 }
 841
 842 static int
 843 pccard_suspend(device_t self)
 844 {
 845         pccard_detach_card(self, 0);
 846         return (0);
 847 }
 848
 849 static
 850 int
 851 pccard_resume(device_t self)
 852 {
 853         return (0);
 854 }
 855
 856 static void
 857 pccard_print_resources(struct resource_list *rl, const char *name, int type,
 858     int count, const char *format)
 859 {
 860         struct resource_list_entry *rle;
 861         int printed;
 862         int i;
 863
 864         printed = 0;
 865         for (i = 0; i < count; i++) {
 866                 rle = resource_list_find(rl, type, i);
 867                 if (rle != NULL) {
 868                         if (printed == 0)
 869                                 printf(" %s ", name);
 870                         else if (printed > 0)
 871                                 printf(",");
 872                         printed++;
 873                         printf(format, rle->start);
 874                         if (rle->count > 1) {
 875                                 printf("-");
 876                                 printf(format, rle->start + rle->count - 1);
 877                         }
 878                 } else if (i > 3) {
 879                         /* check the first few regardless */
 880                         break;
 881                 }
 882         }
 883 }
 884
 885 static int
 886 pccard_print_child(device_t dev, device_t child)
 887 {
 888         struct pccard_ivar *devi = PCCARD_IVAR(child);
 889         struct resource_list *rl = &devi->resources;
 890         int retval = 0;
 891
 892         retval += bus_print_child_header(dev, child);
 893         retval += printf(" at");
 894
 895         if (devi != NULL) {
 896                 pccard_print_resources(rl, "port", SYS_RES_IOPORT,
 897                     PCCARD_NPORT, "%#lx");
 898                 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
 899                     PCCARD_NMEM, "%#lx");
 900                 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
 901                     "%ld");
 902                 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
 903                     "%ld");
 904                 retval += printf(" function %d config %d", devi->fcn->number,
 905                     devi->fcn->cfe->number);
 906         }
 907
 908         retval += bus_print_child_footer(dev, child);
 909
 910         return (retval);
 911 }
 912
 913 static int
 914 pccard_set_resource(device_t dev, device_t child, int type, int rid,
 915                  u_long start, u_long count)
 916 {
 917         struct pccard_ivar *devi = PCCARD_IVAR(child);
 918         struct resource_list *rl = &devi->resources;
 919
 920         if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
 921             && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
 922                 return (EINVAL);
 923         if (rid < 0)
 924                 return (EINVAL);
 925         if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
 926                 return (EINVAL);
 927         if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
 928                 return (EINVAL);
 929         if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
 930                 return (EINVAL);
 931         if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
 932                 return (EINVAL);
 933
 934         resource_list_add(rl, type, rid, start, start + count - 1, count);
 935         if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
 936             type, &rid, start, start + count - 1, count, 0))
 937                 return 0;
 938         else
 939                 return ENOMEM;
 940 }
 941
 942 static int
 943 pccard_get_resource(device_t dev, device_t child, int type, int rid,
 944     u_long *startp, u_long *countp)
 945 {
 946         struct pccard_ivar *devi = PCCARD_IVAR(child);
 947         struct resource_list *rl = &devi->resources;
 948         struct resource_list_entry *rle;
 949
 950         rle = resource_list_find(rl, type, rid);
 951         if (rle == NULL)
 952                 return (ENOENT);
 953
 954         if (startp != NULL)
 955                 *startp = rle->start;
 956         if (countp != NULL)
 957                 *countp = rle->count;
 958
 959         return (0);
 960 }
 961
 962 static void
 963 pccard_delete_resource(device_t dev, device_t child, int type, int rid)
 964 {
 965         struct pccard_ivar *devi = PCCARD_IVAR(child);
 966         struct resource_list *rl = &devi->resources;
 967         resource_list_delete(rl, type, rid);
 968 }
 969
 970 static int
 971 pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
 972     u_int32_t flags)
 973 {
 974         return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
 975             rid, flags));
 976 }
 977
 978 static int
 979 pccard_set_memory_offset(device_t dev, device_t child, int rid,
 980     u_int32_t offset, u_int32_t *deltap)
 981
 982 {
 983         return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
 984             offset, deltap));
 985 }
 986
 987 static int
 988 pccard_read_ivar(device_t bus, device_t child, int which, u_char *result)
 989 {
 990         struct pccard_ivar *devi = PCCARD_IVAR(child);
 991         struct pccard_function *func = devi->fcn;
 992         struct pccard_softc *sc = PCCARD_SOFTC(bus);
 993
 994         /* PCCARD_IVAR_ETHADDR unhandled from oldcard */
 995         switch (which) {
 996         default:
 997         case PCCARD_IVAR_ETHADDR:
 998                 bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN);
 999                 break;
1000         case PCCARD_IVAR_VENDOR:
1001                 *(u_int32_t *) result = sc->card.manufacturer;
1002                 break;
1003         case PCCARD_IVAR_PRODUCT:
1004                 *(u_int32_t *) result = sc->card.product;
1005                 break;
1006         case PCCARD_IVAR_PRODEXT:
1007                 *(u_int16_t *) result = sc->card.prodext;
1008                 break;
1009         case PCCARD_IVAR_FUNCTION:
1010                 *(u_int32_t *) result = func->function;
1011                 break;
1012         case PCCARD_IVAR_FUNCTION_NUMBER:
1013                 if (!func) {
1014                         device_printf(bus, "No function number, bug!\n");
1015                         return (ENOENT);
1016                 }
1017                 *(u_int32_t *) result = func->number;
1018                 break;
1019         case PCCARD_IVAR_VENDOR_STR:
1020                 *(char **) result = sc->card.cis1_info[0];
1021                 break;
1022         case PCCARD_IVAR_PRODUCT_STR:
1023                 *(char **) result = sc->card.cis1_info[1];
1024                 break;
1025         case PCCARD_IVAR_CIS3_STR:
1026                 *(char **) result = sc->card.cis1_info[2];
1027                 break;
1028         case PCCARD_IVAR_CIS4_STR:
1029                 *(char **) result = sc->card.cis1_info[2];
1030                 break;
1031         }
1032         return (0);
1033 }
1034
1035 static void
1036 pccard_driver_added(device_t dev, driver_t *driver)
1037 {
1038         struct pccard_softc *sc = PCCARD_SOFTC(dev);
1039         struct pccard_function *pf;
1040         device_t child;
1041
1042         if (sc->sc_enabled_count == 0) {
1043                 CARD_REPROBE_CARD(device_get_parent(dev), dev);
1044                 return;
1045         }
1046
1047         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
1048                 if (STAILQ_EMPTY(&pf->cfe_head))
1049                         continue;
1050                 child = pf->dev;
1051                 if (device_get_state(child) != DS_NOTPRESENT)
1052                         continue;
1053                 if (pccard_function_enable(pf) == 0 &&
1054                     device_probe_and_attach(child) == 0) {
1055                         DEVPRINTF((sc->dev, "function %d CCR at %d "
1056                             "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
1057                             pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
1058                             pccard_ccr_read(pf, 0x00),
1059                         pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
1060                         pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
1061                         pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
1062                         pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
1063                 } else {
1064                         if (pf->cfe != NULL)
1065                                 pccard_function_disable(pf);
1066                 }
1067         }
1068         return;
1069 }
1070
1071 static struct resource *
1072 pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
1073     u_long start, u_long end, u_long count, u_int flags)
1074 {
1075         struct pccard_ivar *dinfo;
1076         struct resource_list_entry *rle = 0;
1077         int passthrough = (device_get_parent(child) != dev);
1078
1079         if (passthrough) {
1080                 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
1081                     type, rid, start, end, count, flags));
1082         }
1083
1084         dinfo = device_get_ivars(child);
1085         rle = resource_list_find(&dinfo->resources, type, *rid);
1086
1087         if (!rle)
1088                 return NULL;            /* no resource of that type/rid */
1089
1090         if (!rle->res) {
1091                 device_printf(dev, "WARNING: Resource not reserved by pccard bus\n");
1092                 return NULL;
1093         } else {
1094                 if (rle->res->r_dev != dev)
1095                         return (NULL);
1096                 bus_release_resource(dev, type, *rid, rle->res);
1097                 rle->res = NULL;
1098                 switch(type) {
1099                 case SYS_RES_IOPORT:
1100                 case SYS_RES_MEMORY:
1101                         if (!(flags & RF_ALIGNMENT_MASK))
1102                                 flags |= rman_make_alignment_flags(rle->count);
1103                         break;
1104                 case SYS_RES_IRQ:
1105                         flags |= RF_SHAREABLE;
1106                         break;
1107                 }
1108                 rle->res = resource_list_alloc(&dinfo->resources, dev, child,
1109                     type, rid, rle->start, rle->end, rle->count, flags);
1110                 return (rle->res);
1111         }
1112 }
1113
1114 static int
1115 pccard_release_resource(device_t dev, device_t child, int type, int rid,
1116     struct resource *r)
1117 {
1118         struct pccard_ivar *dinfo;
1119         int passthrough = (device_get_parent(child) != dev);
1120         struct resource_list_entry *rle = 0;
1121         int ret;
1122         int flags;
1123
1124         if (passthrough)
1125                 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1126                     type, rid, r);
1127
1128         dinfo = device_get_ivars(child);
1129
1130         rle = resource_list_find(&dinfo->resources, type, rid);
1131
1132         if (!rle) {
1133                 device_printf(dev, "Allocated resource not found, "
1134                     "%d %x %lx %lx\n",
1135                     type, rid, rman_get_start(r), rman_get_size(r));
1136                 return ENOENT;
1137         }
1138         if (!rle->res) {
1139                 device_printf(dev, "Allocated resource not recorded\n");
1140                 return ENOENT;
1141         }
1142
1143         ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1144             type, rid, r);
1145         switch(type) {
1146         case SYS_RES_IOPORT:
1147         case SYS_RES_MEMORY:
1148                 flags = rman_make_alignment_flags(rle->count);
1149                 break;
1150         case SYS_RES_IRQ:
1151                 flags = RF_SHAREABLE;
1152                 break;
1153         default:
1154                 flags = 0;
1155         }
1156         rle->res = bus_alloc_resource(dev, type, &rid,
1157             rle->start, rle->end, rle->count, flags);
1158         if (rle->res == NULL)
1159                 device_printf(dev, "release_resource: "
1160                     "unable to reaquire resource\n");
1161         return ret;
1162 }
1163
1164 static void
1165 pccard_child_detached(device_t parent, device_t dev)
1166 {
1167         struct pccard_ivar *ivar = PCCARD_IVAR(dev);
1168         struct pccard_function *pf = ivar->fcn;
1169
1170         pccard_function_disable(pf);
1171 }
1172
1173 static void
1174 pccard_intr(void *arg)
1175 {
1176         struct pccard_function *pf = (struct pccard_function*) arg;
1177         int reg;
1178
1179         if (pf->intr_handler == NULL)
1180                 return;
1181
1182         /*
1183          * XXX The CCR_STATUS register bits used here are
1184          * only valid for multi function cards.
1185          */
1186         reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
1187         if (reg & PCCARD_CCR_STATUS_INTR) {
1188                 pccard_ccr_write(pf, PCCARD_CCR_STATUS,
1189                                  reg & ~PCCARD_CCR_STATUS_INTR);
1190                 pf->intr_handler(pf->intr_handler_arg);
1191         }
1192 }
1193
1194 static int
1195 pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
1196     int flags, driver_intr_t *intr, void *arg, void **cookiep)
1197 {
1198         struct pccard_softc *sc = PCCARD_SOFTC(dev);
1199         struct pccard_ivar *ivar = PCCARD_IVAR(child);
1200         struct pccard_function *func = ivar->fcn;
1201         int err;
1202
1203         if (func->intr_handler != NULL)
1204                 panic("Only one interrupt handler per function allowed");
1205         err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
1206             func, cookiep);
1207         if (err != 0)
1208                 return (err);
1209         func->intr_handler = intr;
1210         func->intr_handler_arg = arg;
1211         func->intr_handler_cookie = *cookiep;
1212         if (pccard_mfc(sc)) {
1213                 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1214                     pccard_ccr_read(func, PCCARD_CCR_OPTION) |
1215                     PCCARD_CCR_OPTION_IREQ_ENABLE);
1216         }
1217         return (0);
1218 }
1219
1220 static int
1221 pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
1222     void *cookie)
1223 {
1224         struct pccard_softc *sc = PCCARD_SOFTC(dev);
1225         struct pccard_ivar *ivar = PCCARD_IVAR(child);
1226         struct pccard_function *func = ivar->fcn;
1227         int ret;
1228
1229         if (pccard_mfc(sc)) {
1230                 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1231                     pccard_ccr_read(func, PCCARD_CCR_OPTION) &
1232                     ~PCCARD_CCR_OPTION_IREQ_ENABLE);
1233         }
1234         ret = bus_generic_teardown_intr(dev, child, r, cookie);
1235         if (ret == 0) {
1236                 func->intr_handler = NULL;
1237                 func->intr_handler_arg = NULL;
1238                 func->intr_handler_cookie = NULL;
1239         }
1240
1241         return (ret);
1242 }
1243
1244 static device_method_t pccard_methods[] = {
1245         /* Device interface */
1246         DEVMETHOD(device_probe,         pccard_probe),
1247         DEVMETHOD(device_attach,        pccard_attach),
1248         DEVMETHOD(device_detach,        pccard_detach),
1249         DEVMETHOD(device_shutdown,      bus_generic_shutdown),
1250         DEVMETHOD(device_suspend,       pccard_suspend),
1251         DEVMETHOD(device_resume,        pccard_resume),
1252
1253         /* Bus interface */
1254         DEVMETHOD(bus_print_child,      pccard_print_child),
1255         DEVMETHOD(bus_driver_added,     pccard_driver_added),
1256         DEVMETHOD(bus_child_detached,   pccard_child_detached),
1257         DEVMETHOD(bus_alloc_resource,   pccard_alloc_resource),
1258         DEVMETHOD(bus_release_resource, pccard_release_resource),
1259         DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
1260         DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
1261         DEVMETHOD(bus_setup_intr,       pccard_setup_intr),
1262         DEVMETHOD(bus_teardown_intr,    pccard_teardown_intr),
1263         DEVMETHOD(bus_set_resource,     pccard_set_resource),
1264         DEVMETHOD(bus_get_resource,     pccard_get_resource),
1265         DEVMETHOD(bus_delete_resource,  pccard_delete_resource),
1266         DEVMETHOD(bus_read_ivar,        pccard_read_ivar),
1267
1268         /* Card Interface */
1269         DEVMETHOD(card_set_res_flags,   pccard_set_res_flags),
1270         DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
1271         DEVMETHOD(card_get_type,        pccard_card_gettype),
1272         DEVMETHOD(card_attach_card,     pccard_attach_card),
1273         DEVMETHOD(card_detach_card,     pccard_detach_card),
1274         DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
1275         DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
1276         DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
1277
1278         { 0, 0 }
1279 };
1280
1281 static driver_t pccard_driver = {
1282         "pccard",
1283         pccard_methods,
1284         sizeof(struct pccard_softc)
1285 };
1286
1287 devclass_t      pccard_devclass;
1288
1289 /* Maybe we need to have a slot device? */
1290 DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0);
1291 DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0);
1292 DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0);
1293 DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0);
1294 MODULE_VERSION(pccard, 1);
1295 /*MODULE_DEPEND(pccard, pcic, 1, 1, 1);*/