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