Add IDs for the following:
[dragonfly.git] / sys / bus / pccard / pccard.c
1 /*      $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $     */
2 /* $FreeBSD: src/sys/dev/pccard/pccard.c,v 1.70 2002/11/14 14:02:32 mux Exp $ */
3 /* $DragonFly: src/sys/bus/pccard/pccard.c,v 1.12 2004/07/10 16:25:58 dillon Exp $ */
4
5 /*
6  * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by Marc Horowitz.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/malloc.h>
37 #include <sys/module.h>
38 #include <sys/kernel.h>
39 #include <sys/queue.h>
40 #include <sys/sysctl.h>
41 #include <sys/types.h>
42
43 #include <sys/bus.h>
44 #include <machine/bus.h>
45 #include <sys/rman.h>
46 #include <machine/resource.h>
47
48 #include <net/ethernet.h>
49
50 #include <bus/pccard/pccardreg.h>
51 #include <bus/pccard/pccardvar.h>
52
53 #include "power_if.h"
54 #include "card_if.h"
55
56 #define PCCARDDEBUG
57
58 /* sysctl vars */
59 SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters");
60
61 int     pccard_debug = 0;
62 TUNABLE_INT("hw.pccard.debug", &pccard_debug);
63 SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW,
64     &pccard_debug, 0,
65   "pccard debug");
66
67 int     pccard_cis_debug = 0;
68 TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug);
69 SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW,
70     &pccard_cis_debug, 0, "pccard CIS debug");
71
72 #ifdef PCCARDDEBUG
73 #define DPRINTF(arg) if (pccard_debug) printf arg
74 #define DEVPRINTF(arg) if (pccard_debug) device_printf arg
75 #define PRVERBOSE(arg) printf arg
76 #define DEVPRVERBOSE(arg) device_printf arg
77 #else
78 #define DPRINTF(arg)
79 #define DEVPRINTF(arg)
80 #define PRVERBOSE(arg) if (bootverbose) printf arg
81 #define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg
82 #endif
83
84 static int      pccard_ccr_read(struct pccard_function *pf, int ccr);
85 static void     pccard_ccr_write(struct pccard_function *pf, int ccr, int val);
86 static int      pccard_attach_card(device_t dev);
87 static int      pccard_detach_card(device_t dev);
88 static int      pccard_card_gettype(device_t dev, int *type);
89 static void     pccard_function_init(struct pccard_function *pf);
90 static void     pccard_function_free(struct pccard_function *pf);
91 static int      pccard_function_enable(struct pccard_function *pf);
92 static void     pccard_function_disable(struct pccard_function *pf);
93 static int      pccard_compat_do_probe(device_t bus, device_t dev);
94 static int      pccard_compat_do_attach(device_t bus, device_t dev);
95 static int      pccard_add_children(device_t dev, int busno);
96 static int      pccard_probe(device_t dev);
97 static int      pccard_attach(device_t dev);
98 static int      pccard_detach(device_t dev);
99 static void     pccard_print_resources(struct resource_list *rl,
100                     const char *name, int type, int count, const char *format);
101 static int      pccard_print_child(device_t dev, device_t child);
102 static int      pccard_set_resource(device_t dev, device_t child, int type,
103                     int rid, u_long start, u_long count);
104 static int      pccard_get_resource(device_t dev, device_t child, int type,
105                     int rid, u_long *startp, u_long *countp);
106 static void     pccard_delete_resource(device_t dev, device_t child, int type,
107                     int rid);
108 static int      pccard_set_res_flags(device_t dev, device_t child, int type,
109                     int rid, u_int32_t flags);
110 static int      pccard_set_memory_offset(device_t dev, device_t child, int rid,
111                     u_int32_t offset, u_int32_t *deltap);
112 static void     pccard_probe_nomatch(device_t cbdev, device_t child);
113 static int      pccard_read_ivar(device_t bus, device_t child, int which,
114                                  uintptr_t *result);
115 static void     pccard_driver_added(device_t dev, driver_t *driver);
116 static struct resource *pccard_alloc_resource(device_t dev,
117                     device_t child, int type, int *rid, u_long start,
118                     u_long end, u_long count, u_int flags);
119 static int      pccard_release_resource(device_t dev, device_t child, int type,
120                     int rid, struct resource *r);
121 static void     pccard_child_detached(device_t parent, device_t dev);
122 static void     pccard_intr(void *arg);
123 static int      pccard_setup_intr(device_t dev, device_t child,
124                     struct resource *irq, int flags, driver_intr_t *intr,
125                     void *arg, void **cookiep);
126 static int      pccard_teardown_intr(device_t dev, device_t child,
127                     struct resource *r, void *cookie);
128
129 static const struct pccard_product *
130 pccard_do_product_lookup(device_t bus, device_t dev,
131                          const struct pccard_product *tab, size_t ent_size,
132                          pccard_product_match_fn matchfn);
133
134
135 static int
136 pccard_ccr_read(struct pccard_function *pf, int ccr)
137 {
138         return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh,
139             pf->pf_ccr_offset + ccr));
140 }
141
142 static void
143 pccard_ccr_write(struct pccard_function *pf, int ccr, int val)
144 {
145         if ((pf->ccr_mask) & (1 << (ccr / 2))) {
146                 bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh,
147                     pf->pf_ccr_offset + ccr, val);
148         }
149 }
150
151 static int
152 pccard_attach_card(device_t dev)
153 {
154         struct pccard_softc *sc = PCCARD_SOFTC(dev);
155         struct pccard_function *pf;
156         struct pccard_ivar *ivar;
157         device_t child;
158         int i;
159
160         /*
161          * this is here so that when socket_enable calls gettype, trt happens
162          */
163         STAILQ_INIT(&sc->card.pf_head);
164
165         DEVPRINTF((dev, "chip_socket_enable\n"));
166         POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
167
168         DEVPRINTF((dev, "read_cis\n"));
169         pccard_read_cis(sc);
170
171         DEVPRINTF((dev, "check_cis_quirks\n"));
172         pccard_check_cis_quirks(dev);
173
174         /*
175          * bail now if the card has no functions, or if there was an error in
176          * the cis.
177          */
178
179         if (sc->card.error) {
180                 device_printf(dev, "CARD ERROR!\n");
181                 return (1);
182         }
183         if (STAILQ_EMPTY(&sc->card.pf_head)) {
184                 device_printf(dev, "Card has no functions!\n");
185                 return (1);
186         }
187
188         if (bootverbose || pccard_debug)
189                 pccard_print_cis(dev);
190
191         DEVPRINTF((dev, "functions scanning\n"));
192         i = -1;
193         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
194                 i++;
195                 if (STAILQ_EMPTY(&pf->cfe_head)) {
196                         device_printf(dev,
197                             "Function %d has no config entries.!\n", i);
198                         continue;
199                 }
200                 pf->sc = sc;
201                 pf->cfe = NULL;
202                 pf->dev = NULL;
203         }
204         DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1,
205             pccard_mfc(sc)));
206
207         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
208                 if (STAILQ_EMPTY(&pf->cfe_head))
209                         continue;
210                 /*
211                  * In NetBSD, the drivers are responsible for activating
212                  * each function of a card.  I think that in FreeBSD we
213                  * want to activate them enough for the usual bus_*_resource
214                  * routines will do the right thing.  This many mean a
215                  * departure from the current NetBSD model.
216                  *
217                  * This seems to work well in practice for most cards.
218                  * However, there are two cases that are problematic.
219                  * If a driver wishes to pick and chose which config
220                  * entry to use, then this method falls down.  These
221                  * are usually older cards.  In addition, there are
222                  * some cards that have multiple hardware units on the
223                  * cards, but presents only one CIS chain.  These cards
224                  * are combination cards, but only one of these units
225                  * can be on at a time.
226                  */
227                 ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF,
228                     M_INTWAIT | M_ZERO);
229                 child = device_add_child(dev, NULL, -1);
230                 device_set_ivars(child, ivar);
231                 ivar->fcn = pf;
232                 pf->dev = child;
233                 /*
234                  * XXX We might want to move the next two lines into
235                  * XXX the pccard interface layer.  For the moment, this
236                  * XXX is OK, but some drivers want to pick the config
237                  * XXX entry to use as well as some address tweaks (mostly
238                  * XXX due to bugs in decode logic that makes some
239                  * XXX addresses illegal or broken).
240                  */
241                 pccard_function_init(pf);
242                 if (sc->sc_enabled_count == 0)
243                         POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
244                 if (pccard_function_enable(pf) == 0 &&
245                     device_probe_and_attach(child) == 0) {
246                         DEVPRINTF((sc->dev, "function %d CCR at %d "
247                             "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
248                             pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
249                             pccard_ccr_read(pf, 0x00),
250                         pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
251                         pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
252                         pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
253                         pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
254                 } else {
255                         if (pf->cfe != NULL)
256                                 pccard_function_disable(pf);
257                 }
258         }
259         return (0);
260 }
261
262 static int
263 pccard_detach_card(device_t dev)
264 {
265         struct pccard_softc *sc = PCCARD_SOFTC(dev);
266         struct pccard_function *pf;
267         struct pccard_config_entry *cfe;
268
269         /*
270          * We are running on either the PCCARD socket's event thread
271          * or in user context detaching a device by user request.
272          */
273         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
274                 int state = device_get_state(pf->dev);
275
276                 if (state == DS_ATTACHED || state == DS_BUSY)
277                         device_detach(pf->dev);
278                 if (pf->cfe != NULL)
279                         pccard_function_disable(pf);
280                 pccard_function_free(pf);
281                 device_delete_child(dev, pf->dev);
282         }
283         if (sc->sc_enabled_count == 0)
284                 POWER_DISABLE_SOCKET(device_get_parent(dev), dev);
285
286         while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) {
287                 while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) {
288                         STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list);
289                         free(cfe, M_DEVBUF);
290                 }
291                 STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
292                 free(pf, M_DEVBUF);
293         }
294         return (0);
295 }
296
297 static const struct pccard_product *
298 pccard_do_product_lookup(device_t bus, device_t dev,
299                          const struct pccard_product *tab, size_t ent_size,
300                          pccard_product_match_fn matchfn)
301 {
302         const struct pccard_product *ent;
303         int matches;
304         u_int32_t fcn;
305         u_int32_t vendor;
306         u_int32_t prod;
307         const char *vendorstr;
308         const char *prodstr;
309
310 #ifdef DIAGNOSTIC
311         if (sizeof *ent > ent_size)
312                 panic("pccard_product_lookup: bogus ent_size %ld",
313                     (long) ent_size);
314 #endif
315         vendor = pccard_get_vendor(dev);
316         prod = pccard_get_product(dev);
317         fcn = pccard_get_function_number(dev);
318         vendorstr = pccard_get_vendor_str(dev);
319         prodstr = pccard_get_product_str(dev);
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 static void
526 pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr,
527                         bus_addr_t offset, bus_size_t size)
528 {
529         bus_size_t iosize, tmp;
530         
531         if (addr != 0) {
532                 if (pf->pf_mfc_iomax == 0) {
533                         pf->pf_mfc_iobase = addr + offset;
534                         pf->pf_mfc_iomax = pf->pf_mfc_iobase  + size;
535                 } else {
536                         if (pf->pf_mfc_iobase > addr  + offset)
537                                 pf->pf_mfc_iobase = addr + offset;
538                         if (pf->pf_mfc_iomax < addr + offset  + size)
539                                 pf->pf_mfc_iomax = addr + offset + size;
540                 }
541         }       
542         tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
543         for (iosize = 1; iosize < tmp; iosize <<= 1)
544                 ;
545         iosize--;
546
547         pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
548                          pf->pf_mfc_iobase & 0xff);
549         pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
550                                  (pf->pf_mfc_iobase >> 8) & 0xff);
551         pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
552         pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
553
554         pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
555 }
556
557 /* Enable a PCCARD function */
558 static int
559 pccard_function_enable(struct pccard_function *pf)
560 {
561         struct pccard_function *tmp;
562         int reg;
563         device_t dev = pf->sc->dev;
564
565         if (pf->cfe == NULL) {
566                 DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
567                 return (ENOMEM);
568         }
569
570         /*
571          * Increase the reference count on the socket, enabling power, if
572          * necessary.
573          */
574         pf->sc->sc_enabled_count++;
575
576         if (pf->pf_flags & PFF_ENABLED) {
577                 /*
578                  * Don't do anything if we're already enabled.
579                  */
580                 return (0);
581         }
582
583         /*
584          * it's possible for different functions' CCRs to be in the same
585          * underlying page.  Check for that.
586          */
587         STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
588                 if ((tmp->pf_flags & PFF_ENABLED) &&
589                     (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
590                     ((pf->ccr_base + PCCARD_CCR_SIZE) <=
591                     (tmp->ccr_base - tmp->pf_ccr_offset +
592                     tmp->pf_ccr_realsize))) {
593                         pf->pf_ccrt = tmp->pf_ccrt;
594                         pf->pf_ccrh = tmp->pf_ccrh;
595                         pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
596
597                         /*
598                          * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
599                          * tmp->ccr_base) + pf->ccr_base;
600                          */
601                         /* pf->pf_ccr_offset =
602                             (tmp->pf_ccr_offset + pf->ccr_base) -
603                             tmp->ccr_base; */
604                         pf->pf_ccr_window = tmp->pf_ccr_window;
605                         break;
606                 }
607         }
608         if (tmp == NULL) {
609                 pf->ccr_rid = 0;
610                 pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
611                     &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
612                 if (!pf->ccr_res)
613                         goto bad;
614                 DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n",
615                     rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
616                     pf->ccr_base));
617                 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
618                     pf->ccr_rid, PCCARD_A_MEM_ATTR);
619                 CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
620                     pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
621                 pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
622                 pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
623                 pf->pf_ccr_realsize = 1;
624         }
625
626         reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
627         reg |= PCCARD_CCR_OPTION_LEVIREQ;
628         if (pccard_mfc(pf->sc)) {
629                 reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
630                         PCCARD_CCR_OPTION_ADDR_DECODE);
631                 /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
632         }
633         pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
634
635         reg = 0;
636         if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
637                 reg |= PCCARD_CCR_STATUS_IOIS8;
638         if (pf->cfe->flags & PCCARD_CFE_AUDIO)
639                 reg |= PCCARD_CCR_STATUS_AUDIO;
640         pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
641
642         pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
643
644         if (pccard_mfc(pf->sc)) 
645                 pccard_mfc_adjust_iobase(pf, 0, 0, 0);
646
647 #ifdef PCCARDDEBUG
648         if (pccard_debug) {
649                 STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
650                         device_printf(tmp->sc->dev,
651                             "function %d CCR at %d offset %x: "
652                             "%x %x %x %x, %x %x %x %x, %x\n",
653                             tmp->number, tmp->pf_ccr_window,
654                             tmp->pf_ccr_offset,
655                             pccard_ccr_read(tmp, 0x00),
656                             pccard_ccr_read(tmp, 0x02),
657                             pccard_ccr_read(tmp, 0x04),
658                             pccard_ccr_read(tmp, 0x06),
659                             pccard_ccr_read(tmp, 0x0A),
660                             pccard_ccr_read(tmp, 0x0C),
661                             pccard_ccr_read(tmp, 0x0E),
662                             pccard_ccr_read(tmp, 0x10),
663                             pccard_ccr_read(tmp, 0x12));
664                 }
665         }
666 #endif
667         pf->pf_flags |= PFF_ENABLED;
668         return (0);
669
670  bad:
671         /*
672          * Decrement the reference count, and power down the socket, if
673          * necessary.
674          */
675         pf->sc->sc_enabled_count--;
676         DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));
677
678         return (1);
679 }
680
681 /* Disable PCCARD function. */
682 static void
683 pccard_function_disable(struct pccard_function *pf)
684 {
685         struct pccard_function *tmp;
686         device_t dev = pf->sc->dev;
687
688         if (pf->cfe == NULL)
689                 panic("pccard_function_disable: function not initialized");
690
691         if ((pf->pf_flags & PFF_ENABLED) == 0) {
692                 /*
693                  * Don't do anything if we're already disabled.
694                  */
695                 return;
696         }
697
698         if (pf->intr_handler != NULL) {
699                 struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
700                 struct resource_list_entry *rle =
701                     resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
702                 BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
703                     pf->intr_handler_cookie);
704         }
705
706         /*
707          * it's possible for different functions' CCRs to be in the same
708          * underlying page.  Check for that.  Note we mark us as disabled
709          * first to avoid matching ourself.
710          */
711
712         pf->pf_flags &= ~PFF_ENABLED;
713         STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
714                 if ((tmp->pf_flags & PFF_ENABLED) &&
715                     (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
716                     ((pf->ccr_base + PCCARD_CCR_SIZE) <=
717                     (tmp->ccr_base - tmp->pf_ccr_offset +
718                     tmp->pf_ccr_realsize)))
719                         break;
720         }
721
722         /* Not used by anyone else; unmap the CCR. */
723         if (tmp == NULL) {
724                 bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
725                     pf->ccr_res);
726                 pf->ccr_res = NULL;
727         }
728
729         /*
730          * Decrement the reference count, and power down the socket, if
731          * necessary.
732          */
733         pf->sc->sc_enabled_count--;
734 }
735
736 /*
737  * simulate the old "probe" routine.  In the new world order, the driver
738  * needs to grab devices while in the old they were assigned to the device by
739  * the pccardd process.  These symbols are exported to the upper layers.
740  */
741 static int
742 pccard_compat_do_probe(device_t bus, device_t dev)
743 {
744         return (CARD_COMPAT_MATCH(dev));
745 }
746
747 static int
748 pccard_compat_do_attach(device_t bus, device_t dev)
749 {
750         int err;
751
752         err = CARD_COMPAT_PROBE(dev);
753         if (err == 0)
754                 err = CARD_COMPAT_ATTACH(dev);
755         return (err);
756 }
757
758 #define PCCARD_NPORT    2
759 #define PCCARD_NMEM     5
760 #define PCCARD_NIRQ     1
761 #define PCCARD_NDRQ     0
762
763 static int
764 pccard_add_children(device_t dev, int busno)
765 {
766         /* Call parent to scan for any current children */
767         return (0);
768 }
769
770 static int
771 pccard_probe(device_t dev)
772 {
773         device_set_desc(dev, "16-bit PCCard bus");
774         return (pccard_add_children(dev, device_get_unit(dev)));
775 }
776
777 static int
778 pccard_attach(device_t dev)
779 {
780         struct pccard_softc *sc = PCCARD_SOFTC(dev);
781
782         sc->dev = dev;
783         sc->sc_enabled_count = 0;
784         return (bus_generic_attach(dev));
785 }
786
787 static int
788 pccard_detach(device_t dev)
789 {
790         pccard_detach_card(dev);
791         return 0;
792 }
793
794 static int
795 pccard_suspend(device_t self)
796 {
797         pccard_detach_card(self);
798         return (0);
799 }
800
801 static int
802 pccard_shutdown(device_t self)
803 {
804         pccard_detach_card(self);
805         bus_generic_shutdown(self);
806         return (0);
807 }
808
809 static int
810 pccard_resume(device_t self)
811 {
812         return (0);
813 }
814
815 static void
816 pccard_print_resources(struct resource_list *rl, const char *name, int type,
817     int count, const char *format)
818 {
819         struct resource_list_entry *rle;
820         int printed;
821         int i;
822
823         printed = 0;
824         for (i = 0; i < count; i++) {
825                 rle = resource_list_find(rl, type, i);
826                 if (rle != NULL) {
827                         if (printed == 0)
828                                 printf(" %s ", name);
829                         else if (printed > 0)
830                                 printf(",");
831                         printed++;
832                         printf(format, rle->start);
833                         if (rle->count > 1) {
834                                 printf("-");
835                                 printf(format, rle->start + rle->count - 1);
836                         }
837                 } else if (i > 3) {
838                         /* check the first few regardless */
839                         break;
840                 }
841         }
842 }
843
844 static int
845 pccard_print_child(device_t dev, device_t child)
846 {
847         struct pccard_ivar *devi = PCCARD_IVAR(child);
848         struct resource_list *rl = &devi->resources;
849         int retval = 0;
850
851         retval += bus_print_child_header(dev, child);
852         retval += printf(" at");
853
854         if (devi != NULL) {
855                 pccard_print_resources(rl, "port", SYS_RES_IOPORT,
856                     PCCARD_NPORT, "%#lx");
857                 pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
858                     PCCARD_NMEM, "%#lx");
859                 pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
860                     "%ld");
861                 pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
862                     "%ld");
863                 retval += printf(" function %d config %d", devi->fcn->number,
864                     devi->fcn->cfe->number);
865         }
866
867         retval += bus_print_child_footer(dev, child);
868
869         return (retval);
870 }
871
872 static int
873 pccard_set_resource(device_t dev, device_t child, int type, int rid,
874                  u_long start, u_long count)
875 {
876         struct pccard_ivar *devi = PCCARD_IVAR(child);
877         struct resource_list *rl = &devi->resources;
878
879         if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
880             && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
881                 return (EINVAL);
882         if (rid < 0)
883                 return (EINVAL);
884         if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
885                 return (EINVAL);
886         if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
887                 return (EINVAL);
888         if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
889                 return (EINVAL);
890         if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
891                 return (EINVAL);
892
893         resource_list_add(rl, type, rid, start, start + count - 1, count);
894         if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
895             type, &rid, start, start + count - 1, count, 0))
896                 return 0;
897         else
898                 return ENOMEM;
899 }
900
901 static int
902 pccard_get_resource(device_t dev, device_t child, int type, int rid,
903     u_long *startp, u_long *countp)
904 {
905         struct pccard_ivar *devi = PCCARD_IVAR(child);
906         struct resource_list *rl = &devi->resources;
907         struct resource_list_entry *rle;
908
909         rle = resource_list_find(rl, type, rid);
910         if (rle == NULL)
911                 return (ENOENT);
912
913         if (startp != NULL)
914                 *startp = rle->start;
915         if (countp != NULL)
916                 *countp = rle->count;
917
918         return (0);
919 }
920
921 static void
922 pccard_delete_resource(device_t dev, device_t child, int type, int rid)
923 {
924         struct pccard_ivar *devi = PCCARD_IVAR(child);
925         struct resource_list *rl = &devi->resources;
926         resource_list_delete(rl, type, rid);
927 }
928
929 static int
930 pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
931     u_int32_t flags)
932 {
933         return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
934             rid, flags));
935 }
936
937 static int
938 pccard_set_memory_offset(device_t dev, device_t child, int rid,
939     u_int32_t offset, u_int32_t *deltap)
940
941 {
942         return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
943             offset, deltap));
944 }
945
946 static void
947 pccard_probe_nomatch(device_t bus, device_t child)
948 {
949         struct pccard_ivar *devi = PCCARD_IVAR(child);
950         struct pccard_function *func = devi->fcn;
951         struct pccard_softc *sc = PCCARD_SOFTC(bus);
952
953         device_printf(bus, "<unknown card>");
954         printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n",
955           sc->card.manufacturer, sc->card.product, func->number);
956         device_printf(bus, "   CIS info: %s, %s, %s\n", sc->card.cis1_info[0],
957           sc->card.cis1_info[1], sc->card.cis1_info[2]);
958         return;
959 }
960
961 static int
962 pccard_child_location_str(device_t bus, device_t child, char *buf,
963     size_t buflen)
964 {
965         struct pccard_ivar *devi = PCCARD_IVAR(child);
966         struct pccard_function *func = devi->fcn;
967
968         snprintf(buf, buflen, "function=%d", func->number);
969         return (0);
970 }
971
972 static int
973 pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf,
974     size_t buflen)
975 {
976         struct pccard_ivar *devi = PCCARD_IVAR(child);
977         struct pccard_function *func = devi->fcn;
978         struct pccard_softc *sc = PCCARD_SOFTC(bus);
979
980         snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x "
981             "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d",
982             sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0],
983             sc->card.cis1_info[1], func->function);
984         return (0);
985 }
986
987 static int
988 pccard_read_ivar(device_t bus, device_t child, int which, uintptr_t *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         switch (which) {
995         default:
996         case PCCARD_IVAR_ETHADDR:
997                 *result = (uintptr_t)func->pf_funce_lan_nid;
998                 break;
999         case PCCARD_IVAR_VENDOR:
1000                 *result = sc->card.manufacturer;
1001                 break;
1002         case PCCARD_IVAR_PRODUCT:
1003                 *result = sc->card.product;
1004                 break;
1005         case PCCARD_IVAR_PRODEXT:
1006                 *result = sc->card.prodext;
1007                 break;
1008         case PCCARD_IVAR_FUNCTION:
1009                 *result = func->function;
1010                 break;
1011         case PCCARD_IVAR_FUNCTION_NUMBER:
1012                 if (!func) {
1013                         device_printf(bus, "No function number, bug!\n");
1014                         return (ENOENT);
1015                 }
1016                 *result = func->number;
1017                 break;
1018         case PCCARD_IVAR_VENDOR_STR:
1019                 *result = (uintptr_t)sc->card.cis1_info[0];
1020                 break;
1021         case PCCARD_IVAR_PRODUCT_STR:
1022                 *result = (uintptr_t)sc->card.cis1_info[1];
1023                 break;
1024         case PCCARD_IVAR_CIS3_STR:
1025                 *result = (uintptr_t)sc->card.cis1_info[2];
1026                 break;
1027         case PCCARD_IVAR_CIS4_STR:
1028                 *result = (uintptr_t)sc->card.cis1_info[3];
1029                 break;
1030         }
1031         return (0);
1032 }
1033
1034 static void
1035 pccard_driver_added(device_t dev, driver_t *driver)
1036 {
1037         struct pccard_softc *sc = PCCARD_SOFTC(dev);
1038         struct pccard_function *pf;
1039         device_t child;
1040
1041         STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
1042                 if (STAILQ_EMPTY(&pf->cfe_head))
1043                         continue;
1044                 child = pf->dev;
1045                 if (device_get_state(child) != DS_NOTPRESENT)
1046                         continue;
1047                 if (pccard_function_enable(pf) == 0 &&
1048                     device_probe_and_attach(child) == 0) {
1049                         DEVPRINTF((sc->dev, "function %d CCR at %d "
1050                             "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
1051                             pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
1052                             pccard_ccr_read(pf, 0x00),
1053                         pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
1054                         pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
1055                         pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
1056                         pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
1057                 } else {
1058                         if (pf->cfe != NULL)
1059                                 pccard_function_disable(pf);
1060                 }
1061         }
1062         return;
1063 }
1064
1065 static struct resource *
1066 pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
1067     u_long start, u_long end, u_long count, u_int flags)
1068 {
1069         struct pccard_ivar *dinfo;
1070         struct resource_list_entry *rle = 0;
1071         int passthrough = (device_get_parent(child) != dev);
1072         int isdefault = (start == 0 && end == ~0UL && count == 1);
1073         struct resource *r = NULL;
1074
1075
1076         if (passthrough) {
1077                 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
1078                     type, rid, start, end, count, flags));
1079         }
1080
1081         dinfo = device_get_ivars(child);
1082         rle = resource_list_find(&dinfo->resources, type, *rid);
1083
1084         if (rle == NULL && isdefault)
1085                 return (NULL);          /* no resource of that type/rid */
1086
1087         if ((rle == NULL) || (rle->res == NULL)) {
1088                 
1089                 r = bus_alloc_resource(dev, type, rid, start, end,
1090                             count, rman_make_alignment_flags(count));
1091                 if (r == NULL)
1092                         goto bad;
1093                 resource_list_add(&dinfo->resources, type, *rid,
1094                             rman_get_start(r), rman_get_end(r), count);
1095                 rle = resource_list_find(&dinfo->resources, type, *rid);
1096                 if (!rle)
1097                         goto bad;
1098                 rle->res = r;
1099         }
1100         if (rle->res->r_dev != dev)
1101                 return (NULL);
1102         bus_release_resource(dev, type, *rid, rle->res);
1103         rle->res = NULL;
1104         switch(type) {
1105         case SYS_RES_IOPORT:
1106         case SYS_RES_MEMORY:
1107                 if (!(flags & RF_ALIGNMENT_MASK))
1108                         flags |= rman_make_alignment_flags(rle->count);
1109                 break;
1110         case SYS_RES_IRQ:
1111                 flags |= RF_SHAREABLE;
1112                 break;
1113         }
1114         rle->res = resource_list_alloc(&dinfo->resources, dev, child,
1115             type, rid, rle->start, rle->end, rle->count, flags);
1116         return (rle->res);
1117 bad:;
1118         device_printf(dev, "WARNING: Resource not reserved by pccard\n");
1119         return (NULL);
1120 }
1121
1122 static int
1123 pccard_release_resource(device_t dev, device_t child, int type, int rid,
1124     struct resource *r)
1125 {
1126         struct pccard_ivar *dinfo;
1127         int passthrough = (device_get_parent(child) != dev);
1128         struct resource_list_entry *rle = 0;
1129         int ret;
1130         int flags;
1131
1132         if (passthrough)
1133                 return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1134                     type, rid, r);
1135
1136         dinfo = device_get_ivars(child);
1137
1138         rle = resource_list_find(&dinfo->resources, type, rid);
1139
1140         if (!rle) {
1141                 device_printf(dev, "Allocated resource not found, "
1142                     "%d %x %lx %lx\n",
1143                     type, rid, rman_get_start(r), rman_get_size(r));
1144                 return ENOENT;
1145         }
1146         if (!rle->res) {
1147                 device_printf(dev, "Allocated resource not recorded\n");
1148                 return ENOENT;
1149         }
1150
1151         ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1152             type, rid, r);
1153         switch(type) {
1154         case SYS_RES_IOPORT:
1155         case SYS_RES_MEMORY:
1156                 flags = rman_make_alignment_flags(rle->count);
1157                 break;
1158         case SYS_RES_IRQ:
1159                 flags = RF_SHAREABLE;
1160                 break;
1161         default:
1162                 flags = 0;
1163         }
1164         rle->res = bus_alloc_resource(dev, type, &rid,
1165             rle->start, rle->end, rle->count, flags);
1166         if (rle->res == NULL)
1167                 device_printf(dev, "release_resource: "
1168                     "unable to reaquire resource\n");
1169         return ret;
1170 }
1171
1172 static void
1173 pccard_child_detached(device_t parent, device_t dev)
1174 {
1175         struct pccard_ivar *ivar = PCCARD_IVAR(dev);
1176         struct pccard_function *pf = ivar->fcn;
1177
1178         pccard_function_disable(pf);
1179 }
1180
1181 static void
1182 pccard_intr(void *arg)
1183 {
1184         struct pccard_function *pf = (struct pccard_function*) arg;
1185         int reg;
1186         int doisr = 1;
1187
1188         /*
1189          * MFC cards know if they interrupted, so we have to ack the
1190          * interrupt and call the ISR.  Non-MFC cards don't have these
1191          * bits, so they always get called.  Many non-MFC cards have
1192          * this bit set always upon read, but some do not.
1193          *
1194          * We always ack the interrupt, even if there's no ISR
1195          * for the card.  This is done on the theory that acking
1196          * the interrupt will pacify the card enough to keep an
1197          * interrupt storm from happening.  Of course this won't
1198          * help in the non-MFC case.
1199          */
1200         if (pccard_mfc(pf->sc)) {
1201                 reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
1202                 if (reg & PCCARD_CCR_STATUS_INTR)
1203                         pccard_ccr_write(pf, PCCARD_CCR_STATUS,
1204                             reg & ~PCCARD_CCR_STATUS_INTR);
1205                 else
1206                         doisr = 0;
1207         }
1208         if (pf->intr_handler != NULL && doisr)
1209                 pf->intr_handler(pf->intr_handler_arg);
1210 }
1211
1212 static int
1213 pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
1214     int flags, driver_intr_t *intr, void *arg, void **cookiep)
1215 {
1216         struct pccard_softc *sc = PCCARD_SOFTC(dev);
1217         struct pccard_ivar *ivar = PCCARD_IVAR(child);
1218         struct pccard_function *func = ivar->fcn;
1219         int err;
1220
1221         if (func->intr_handler != NULL)
1222                 panic("Only one interrupt handler per function allowed");
1223         err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
1224             func, cookiep);
1225         if (err != 0)
1226                 return (err);
1227         func->intr_handler = intr;
1228         func->intr_handler_arg = arg;
1229         func->intr_handler_cookie = *cookiep;
1230         if (pccard_mfc(sc)) {
1231                 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1232                     pccard_ccr_read(func, PCCARD_CCR_OPTION) |
1233                     PCCARD_CCR_OPTION_IREQ_ENABLE);
1234         }
1235         return (0);
1236 }
1237
1238 static int
1239 pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
1240     void *cookie)
1241 {
1242         struct pccard_softc *sc = PCCARD_SOFTC(dev);
1243         struct pccard_ivar *ivar = PCCARD_IVAR(child);
1244         struct pccard_function *func = ivar->fcn;
1245         int ret;
1246
1247         if (pccard_mfc(sc)) {
1248                 pccard_ccr_write(func, PCCARD_CCR_OPTION,
1249                     pccard_ccr_read(func, PCCARD_CCR_OPTION) &
1250                     ~PCCARD_CCR_OPTION_IREQ_ENABLE);
1251         }
1252         ret = bus_generic_teardown_intr(dev, child, r, cookie);
1253         if (ret == 0) {
1254                 func->intr_handler = NULL;
1255                 func->intr_handler_arg = NULL;
1256                 func->intr_handler_cookie = NULL;
1257         }
1258
1259         return (ret);
1260 }
1261
1262 static int
1263 pccard_activate_resource(device_t brdev, device_t child, int type,
1264                         int rid, struct resource *r)
1265 {
1266         struct pccard_ivar *ivar = PCCARD_IVAR(child);
1267         struct pccard_function *pf = ivar->fcn;
1268         
1269         switch(type) {
1270         case SYS_RES_IOPORT:
1271                 if (pccard_mfc(pf->sc))
1272                         pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0,
1273                                         rman_get_size(r));
1274                 break;
1275         default:
1276                 break;
1277         }
1278         return (bus_generic_activate_resource(brdev, child, type, rid, r));
1279 }
1280
1281
1282 static device_method_t pccard_methods[] = {
1283         /* Device interface */
1284         DEVMETHOD(device_probe,         pccard_probe),
1285         DEVMETHOD(device_attach,        pccard_attach),
1286         DEVMETHOD(device_detach,        pccard_detach),
1287         DEVMETHOD(device_shutdown,      pccard_shutdown),
1288         DEVMETHOD(device_suspend,       pccard_suspend),
1289         DEVMETHOD(device_resume,        pccard_resume),
1290
1291         /* Bus interface */
1292         DEVMETHOD(bus_print_child,      pccard_print_child),
1293         DEVMETHOD(bus_driver_added,     pccard_driver_added),
1294         DEVMETHOD(bus_child_detached,   pccard_child_detached),
1295         DEVMETHOD(bus_alloc_resource,   pccard_alloc_resource),
1296         DEVMETHOD(bus_release_resource, pccard_release_resource),
1297         DEVMETHOD(bus_activate_resource, pccard_activate_resource),
1298         DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
1299         DEVMETHOD(bus_setup_intr,       pccard_setup_intr),
1300         DEVMETHOD(bus_teardown_intr,    pccard_teardown_intr),
1301         DEVMETHOD(bus_set_resource,     pccard_set_resource),
1302         DEVMETHOD(bus_get_resource,     pccard_get_resource),
1303         DEVMETHOD(bus_delete_resource,  pccard_delete_resource),
1304         DEVMETHOD(bus_probe_nomatch,    pccard_probe_nomatch),
1305         DEVMETHOD(bus_read_ivar,        pccard_read_ivar),
1306         DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str),
1307         DEVMETHOD(bus_child_location_str, pccard_child_location_str),
1308
1309         /* Card Interface */
1310         DEVMETHOD(card_set_res_flags,   pccard_set_res_flags),
1311         DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
1312         DEVMETHOD(card_get_type,        pccard_card_gettype),
1313         DEVMETHOD(card_attach_card,     pccard_attach_card),
1314         DEVMETHOD(card_detach_card,     pccard_detach_card),
1315         DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
1316         DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
1317         DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
1318
1319         { 0, 0 }
1320 };
1321
1322 static driver_t pccard_driver = {
1323         "pccard",
1324         pccard_methods,
1325         sizeof(struct pccard_softc)
1326 };
1327
1328 devclass_t      pccard_devclass;
1329
1330 /* Maybe we need to have a slot device? */
1331 DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0);
1332 DRIVER_MODULE(pccard, pc98pcic, pccard_driver, pccard_devclass, 0, 0);
1333 DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0);
1334 DRIVER_MODULE(pccard, tcic, pccard_driver, pccard_devclass, 0, 0);
1335 MODULE_VERSION(pccard, 1);
1336 /*MODULE_DEPEND(pccard, pcic, 1, 1, 1);*/