pccard.c revision 133865
1/*	$NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $	*/
2
3/*
4 * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by Marc Horowitz.
17 * 4. The name of the author may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/sys/dev/pccard/pccard.c 133865 2004-08-16 15:57:18Z imp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/malloc.h>
38#include <sys/module.h>
39#include <sys/kernel.h>
40#include <sys/queue.h>
41#include <sys/sysctl.h>
42#include <sys/types.h>
43
44#include <sys/bus.h>
45#include <machine/bus.h>
46#include <sys/rman.h>
47#include <machine/resource.h>
48
49#include <net/ethernet.h>
50
51#include <dev/pccard/pccardreg.h>
52#include <dev/pccard/pccardvar.h>
53
54#include "power_if.h"
55#include "card_if.h"
56
57#define PCCARDDEBUG
58
59/* sysctl vars */
60SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters");
61
62int	pccard_debug = 0;
63TUNABLE_INT("hw.pccard.debug", &pccard_debug);
64SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW,
65    &pccard_debug, 0,
66  "pccard debug");
67
68int	pccard_cis_debug = 0;
69TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug);
70SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW,
71    &pccard_cis_debug, 0, "pccard CIS debug");
72
73#ifdef PCCARDDEBUG
74#define	DPRINTF(arg) if (pccard_debug) printf arg
75#define	DEVPRINTF(arg) if (pccard_debug) device_printf arg
76#define PRVERBOSE(arg) printf arg
77#define DEVPRVERBOSE(arg) device_printf arg
78#else
79#define	DPRINTF(arg)
80#define	DEVPRINTF(arg)
81#define PRVERBOSE(arg) if (bootverbose) printf arg
82#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg
83#endif
84
85static int	pccard_ccr_read(struct pccard_function *pf, int ccr);
86static void	pccard_ccr_write(struct pccard_function *pf, int ccr, int val);
87static int	pccard_attach_card(device_t dev);
88static int	pccard_detach_card(device_t dev);
89static void	pccard_function_init(struct pccard_function *pf);
90static void	pccard_function_free(struct pccard_function *pf);
91static int	pccard_function_enable(struct pccard_function *pf);
92static void	pccard_function_disable(struct pccard_function *pf);
93static int	pccard_compat_do_probe(device_t bus, device_t dev);
94static int	pccard_compat_do_attach(device_t bus, device_t dev);
95static int	pccard_add_children(device_t dev, int busno);
96static int	pccard_probe(device_t dev);
97static int	pccard_attach(device_t dev);
98static int	pccard_detach(device_t dev);
99static void	pccard_print_resources(struct resource_list *rl,
100		    const char *name, int type, int count, const char *format);
101static int	pccard_print_child(device_t dev, device_t child);
102static int	pccard_set_resource(device_t dev, device_t child, int type,
103		    int rid, u_long start, u_long count);
104static int	pccard_get_resource(device_t dev, device_t child, int type,
105		    int rid, u_long *startp, u_long *countp);
106static void	pccard_delete_resource(device_t dev, device_t child, int type,
107		    int rid);
108static int	pccard_set_res_flags(device_t dev, device_t child, int type,
109		    int rid, u_int32_t flags);
110static int	pccard_set_memory_offset(device_t dev, device_t child, int rid,
111		    u_int32_t offset, u_int32_t *deltap);
112static void	pccard_probe_nomatch(device_t cbdev, device_t child);
113static int	pccard_read_ivar(device_t bus, device_t child, int which,
114		    u_char *result);
115static void	pccard_driver_added(device_t dev, driver_t *driver);
116static 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);
119static int	pccard_release_resource(device_t dev, device_t child, int type,
120		    int rid, struct resource *r);
121static void	pccard_child_detached(device_t parent, device_t dev);
122static void	pccard_intr(void *arg);
123static 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);
126static int	pccard_teardown_intr(device_t dev, device_t child,
127		    struct resource *r, void *cookie);
128
129static const struct pccard_product *
130pccard_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
135static int
136pccard_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
142static void
143pccard_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
151static int
152pccard_set_default_descr(device_t dev)
153{
154	const char *vendorstr, *prodstr;
155	uint32_t vendor, prod;
156	char *str;
157
158	if (pccard_get_vendor_str(dev, &vendorstr))
159		return (0);
160	if (pccard_get_product_str(dev, &prodstr))
161		return (0);
162	if (vendorstr != NULL && prodstr != NULL) {
163		str = malloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF,
164		    M_WAITOK);
165		sprintf(str, "%s %s", vendorstr, prodstr);
166		device_set_desc_copy(dev, str);
167		free(str, M_DEVBUF);
168	} else {
169		if (pccard_get_vendor(dev, &vendor))
170			return (0);
171		if (pccard_get_product(dev, &prod))
172			return (0);
173		str = malloc(100, M_DEVBUF, M_WAITOK);
174		snprintf(str, 100, "vendor=0x%x product=0x%x", vendor, prod);
175		device_set_desc_copy(dev, str);
176		free(str, M_DEVBUF);
177	}
178	return (0);
179}
180
181static int
182pccard_attach_card(device_t dev)
183{
184	struct pccard_softc *sc = PCCARD_SOFTC(dev);
185	struct pccard_function *pf;
186	struct pccard_ivar *ivar;
187	device_t child;
188	int i;
189
190	/*
191	 * this is here so that when socket_enable calls gettype, trt happens
192	 */
193	STAILQ_INIT(&sc->card.pf_head);
194
195	DEVPRINTF((dev, "chip_socket_enable\n"));
196	POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
197
198	DEVPRINTF((dev, "read_cis\n"));
199	pccard_read_cis(sc);
200
201	DEVPRINTF((dev, "check_cis_quirks\n"));
202	pccard_check_cis_quirks(dev);
203
204	/*
205	 * bail now if the card has no functions, or if there was an error in
206	 * the cis.
207	 */
208
209	if (sc->card.error) {
210		device_printf(dev, "CARD ERROR!\n");
211		return (1);
212	}
213	if (STAILQ_EMPTY(&sc->card.pf_head)) {
214		device_printf(dev, "Card has no functions!\n");
215		return (1);
216	}
217
218	if (bootverbose || pccard_debug)
219		pccard_print_cis(dev);
220
221	DEVPRINTF((dev, "functions scanning\n"));
222	i = -1;
223	STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
224		i++;
225		if (STAILQ_EMPTY(&pf->cfe_head)) {
226			device_printf(dev,
227			    "Function %d has no config entries.!\n", i);
228			continue;
229		}
230		pf->sc = sc;
231		pf->cfe = NULL;
232		pf->dev = NULL;
233	}
234	DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1,
235	    pccard_mfc(sc)));
236
237	STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
238		if (STAILQ_EMPTY(&pf->cfe_head))
239			continue;
240		/*
241		 * In NetBSD, the drivers are responsible for activating
242		 * each function of a card.  I think that in FreeBSD we
243		 * want to activate them enough for the usual bus_*_resource
244		 * routines will do the right thing.  This many mean a
245		 * departure from the current NetBSD model.
246		 *
247		 * This seems to work well in practice for most cards.
248		 * However, there are two cases that are problematic.
249		 * If a driver wishes to pick and chose which config
250		 * entry to use, then this method falls down.  These
251		 * are usually older cards.  In addition, there are
252		 * some cards that have multiple hardware units on the
253		 * cards, but presents only one CIS chain.  These cards
254		 * are combination cards, but only one of these units
255		 * can be on at a time.
256		 */
257		ivar = malloc(sizeof(struct pccard_ivar), M_DEVBUF,
258		    M_WAITOK | M_ZERO);
259		child = device_add_child(dev, NULL, -1);
260		device_set_ivars(child, ivar);
261		ivar->fcn = pf;
262		pf->dev = child;
263		/*
264		 * XXX We might want to move the next two lines into
265		 * XXX the pccard interface layer.  For the moment, this
266		 * XXX is OK, but some drivers want to pick the config
267		 * XXX entry to use as well as some address tweaks (mostly
268		 * XXX due to bugs in decode logic that makes some
269		 * XXX addresses illegal or broken).
270		 */
271		pccard_function_init(pf);
272		if (sc->sc_enabled_count == 0)
273			POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
274		if (pccard_function_enable(pf) == 0 &&
275		    pccard_set_default_descr(child) == 0 &&
276		    device_probe_and_attach(child) == 0) {
277			DEVPRINTF((sc->dev, "function %d CCR at %d "
278			    "offset %x mask %x: "
279			    "%x %x %x %x, %x %x %x %x, %x\n",
280			    pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
281			    pf->ccr_mask, pccard_ccr_read(pf, 0x00),
282			pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
283			pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
284			pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
285			pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
286		} else {
287			if (pf->cfe != NULL)
288				pccard_function_disable(pf);
289		}
290	}
291	return (0);
292}
293
294static int
295pccard_detach_card(device_t dev)
296{
297	struct pccard_softc *sc = PCCARD_SOFTC(dev);
298	struct pccard_function *pf;
299	struct pccard_config_entry *cfe;
300	int state;
301
302	/*
303	 * We are running on either the PCCARD socket's event thread
304	 * or in user context detaching a device by user request.
305	 */
306	STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
307		if (pf->dev == NULL)
308			continue;
309		state = device_get_state(pf->dev);
310		if (state == DS_ATTACHED || state == DS_BUSY)
311			device_detach(pf->dev);
312		if (pf->cfe != NULL)
313			pccard_function_disable(pf);
314		pccard_function_free(pf);
315		device_delete_child(dev, pf->dev);
316	}
317	if (sc->sc_enabled_count == 0)
318		POWER_DISABLE_SOCKET(device_get_parent(dev), dev);
319
320	while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) {
321		while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) {
322			STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list);
323			free(cfe, M_DEVBUF);
324		}
325		STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
326		free(pf, M_DEVBUF);
327	}
328	return (0);
329}
330
331static const struct pccard_product *
332pccard_do_product_lookup(device_t bus, device_t dev,
333    const struct pccard_product *tab, size_t ent_size,
334    pccard_product_match_fn matchfn)
335{
336	const struct pccard_product *ent;
337	int matches;
338	u_int32_t fcn;
339	u_int32_t vendor;
340	u_int32_t prod;
341	const char *vendorstr;
342	const char *prodstr;
343
344#ifdef DIAGNOSTIC
345	if (sizeof *ent > ent_size)
346		panic("pccard_product_lookup: bogus ent_size %jd",
347		    (intmax_t) ent_size);
348#endif
349	if (pccard_get_vendor(dev, &vendor))
350		return (NULL);
351	if (pccard_get_product(dev, &prod))
352		return (NULL);
353	if (pccard_get_function_number(dev, &fcn))
354		return (NULL);
355	if (pccard_get_vendor_str(dev, &vendorstr))
356		return (NULL);
357	if (pccard_get_product_str(dev, &prodstr))
358		return (NULL);
359	for (ent = tab; ent->pp_vendor != 0; ent =
360	    (const struct pccard_product *) ((const char *) ent + ent_size)) {
361		matches = 1;
362		if (ent->pp_vendor == PCCARD_VENDOR_ANY &&
363		    ent->pp_product == PCCARD_PRODUCT_ANY &&
364		    ent->pp_cis[0] == NULL &&
365		    ent->pp_cis[1] == NULL) {
366			if (ent->pp_name)
367				device_printf(dev,
368				    "Total wildcard entry ignored for %s\n",
369				    ent->pp_name);
370			continue;
371		}
372		if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY &&
373		    vendor != ent->pp_vendor)
374			matches = 0;
375		if (matches && ent->pp_product != PCCARD_PRODUCT_ANY &&
376		    prod != ent->pp_product)
377			matches = 0;
378		if (matches && fcn != ent->pp_expfunc)
379			matches = 0;
380		if (matches && ent->pp_cis[0] &&
381		    (vendorstr == NULL ||
382		    strcmp(ent->pp_cis[0], vendorstr) != 0))
383			matches = 0;
384		if (matches && ent->pp_cis[1] &&
385		    (prodstr == NULL ||
386		    strcmp(ent->pp_cis[1], prodstr) != 0))
387			matches = 0;
388		/* XXX need to match cis[2] and cis[3] also XXX */
389		if (matchfn != NULL)
390			matches = (*matchfn)(dev, ent, matches);
391		if (matches)
392			return (ent);
393	}
394	return (NULL);
395}
396
397/*
398 * Initialize a PCCARD function.  May be called as long as the function is
399 * disabled.
400 *
401 * Note: pccard_function_init should not keep resources allocated.  It should
402 * only set them up ala isa pnp, set the values in the rl lists, and return.
403 * Any resource held after pccard_function_init is called is a bug.  However,
404 * the bus routines to get the resources also assume that pccard_function_init
405 * does this, so they need to be fixed too.
406 */
407static void
408pccard_function_init(struct pccard_function *pf)
409{
410	struct pccard_config_entry *cfe;
411	int i;
412	struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
413	struct resource_list *rl = &devi->resources;
414	struct resource_list_entry *rle;
415	struct resource *r = 0;
416	device_t bus;
417	int start;
418	int end;
419	int spaces;
420
421	if (pf->pf_flags & PFF_ENABLED) {
422		printf("pccard_function_init: function is enabled");
423		return;
424	}
425	bus = device_get_parent(pf->dev);
426	/* Remember which configuration entry we are using. */
427	STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
428		for (i = 0; i < cfe->num_iospace; i++)
429			cfe->iores[i] = NULL;
430		cfe->irqres = NULL;
431		spaces = 0;
432		for (i = 0; i < cfe->num_iospace; i++) {
433			start = cfe->iospace[i].start;
434			if (start)
435				end = start + cfe->iospace[i].length - 1;
436			else
437				end = ~0;
438			cfe->iorid[i] = i;
439			DEVPRINTF((bus, "I/O rid %d start %x end %x\n",
440			    i, start, end));
441			r = cfe->iores[i] = bus_alloc_resource(bus,
442			    SYS_RES_IOPORT, &cfe->iorid[i], start, end,
443			    cfe->iospace[i].length,
444			    rman_make_alignment_flags(cfe->iospace[i].length));
445			if (cfe->iores[i] == NULL)
446				goto not_this_one;
447			resource_list_add(rl, SYS_RES_IOPORT, cfe->iorid[i],
448			    rman_get_start(r), rman_get_end(r),
449			    cfe->iospace[i].length);
450			rle = resource_list_find(rl, SYS_RES_IOPORT,
451			    cfe->iorid[i]);
452			rle->res = r;
453			spaces++;
454		}
455		if (cfe->num_memspace > 0) {
456			/*
457			 * Not implement yet, Fix me.
458			 */
459			DEVPRINTF((bus, "Memory space not yet implemented.\n"));
460		}
461		if (spaces == 0) {
462			DEVPRINTF((bus, "Neither memory nor I/O mampped\n"));
463			goto not_this_one;
464		}
465		if (cfe->irqmask) {
466			cfe->irqrid = 0;
467			r = cfe->irqres = bus_alloc_resource_any(bus,
468				SYS_RES_IRQ, &cfe->irqrid, 0);
469			if (cfe->irqres == NULL)
470				goto not_this_one;
471			resource_list_add(rl, SYS_RES_IRQ, cfe->irqrid,
472			    rman_get_start(r), rman_get_end(r), 1);
473			rle = resource_list_find(rl, SYS_RES_IRQ,
474			    cfe->irqrid);
475			rle->res = r;
476		}
477		/* If we get to here, we've allocated all we need */
478		pf->cfe = cfe;
479		break;
480	    not_this_one:;
481		DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n",
482		    cfe->number));
483		/*
484		 * Release resources that we partially allocated
485		 * from this config entry.
486		 */
487		for (i = 0; i < cfe->num_iospace; i++) {
488			if (cfe->iores[i] != NULL) {
489				bus_release_resource(bus, SYS_RES_IOPORT,
490				    cfe->iorid[i], cfe->iores[i]);
491				rle = resource_list_find(rl, SYS_RES_IOPORT,
492				    cfe->iorid[i]);
493				rle->res = NULL;
494				resource_list_delete(rl, SYS_RES_IOPORT,
495				    cfe->iorid[i]);
496			}
497			cfe->iores[i] = NULL;
498		}
499		if (cfe->irqmask && cfe->irqres != NULL) {
500			bus_release_resource(bus, SYS_RES_IRQ,
501			    cfe->irqrid, cfe->irqres);
502			rle = resource_list_find(rl, SYS_RES_IRQ,
503			    cfe->irqrid);
504			rle->res = NULL;
505			resource_list_delete(rl, SYS_RES_IRQ, cfe->irqrid);
506			cfe->irqres = NULL;
507		}
508	}
509}
510
511/*
512 * Free resources allocated by pccard_function_init(), May be called as long
513 * as the function is disabled.
514 *
515 * NOTE: This function should be unnecessary.  pccard_function_init should
516 * never keep resources initialized.
517 */
518static void
519pccard_function_free(struct pccard_function *pf)
520{
521	struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
522	struct resource_list_entry *rle;
523
524	if (pf->pf_flags & PFF_ENABLED) {
525		printf("pccard_function_init: function is enabled");
526		return;
527	}
528
529	SLIST_FOREACH(rle, &devi->resources, link) {
530		if (rle->res) {
531			if (rman_get_device(rle->res) != pf->sc->dev)
532				device_printf(pf->sc->dev,
533				    "function_free: Resource still owned by "
534				    "child, oops. "
535				    "(type=%d, rid=%d, addr=%lx)\n",
536				    rle->type, rle->rid,
537				    rman_get_start(rle->res));
538			BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev),
539			    pf->sc->dev, rle->type, rle->rid, rle->res);
540			rle->res = NULL;
541		}
542	}
543	resource_list_free(&devi->resources);
544}
545
546static void
547pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr,
548    bus_addr_t offset, bus_size_t size)
549{
550	bus_size_t iosize, tmp;
551
552	if (addr != 0) {
553		if (pf->pf_mfc_iomax == 0) {
554			pf->pf_mfc_iobase = addr + offset;
555			pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
556		} else {
557			/* this makes the assumption that nothing overlaps */
558			if (pf->pf_mfc_iobase > addr + offset)
559				pf->pf_mfc_iobase = addr + offset;
560			if (pf->pf_mfc_iomax < addr + offset + size)
561				pf->pf_mfc_iomax = addr + offset + size;
562		}
563	}
564
565	tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
566	/* round up to nearest (2^n)-1 */
567	for (iosize = 1; iosize < tmp; iosize <<= 1)
568		;
569	iosize--;
570
571	DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n",
572	    (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1)));
573	pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
574	    pf->pf_mfc_iobase & 0xff);
575	pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
576	    (pf->pf_mfc_iobase >> 8) & 0xff);
577	pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
578	pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
579	pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
580}
581
582/* Enable a PCCARD function */
583static int
584pccard_function_enable(struct pccard_function *pf)
585{
586	struct pccard_function *tmp;
587	int reg;
588	device_t dev = pf->sc->dev;
589
590	if (pf->cfe == NULL) {
591		DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
592		return (ENOMEM);
593	}
594
595	/*
596	 * Increase the reference count on the socket, enabling power, if
597	 * necessary.
598	 */
599	pf->sc->sc_enabled_count++;
600
601	if (pf->pf_flags & PFF_ENABLED) {
602		/*
603		 * Don't do anything if we're already enabled.
604		 */
605		return (0);
606	}
607
608	/*
609	 * it's possible for different functions' CCRs to be in the same
610	 * underlying page.  Check for that.
611	 */
612	STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
613		if ((tmp->pf_flags & PFF_ENABLED) &&
614		    (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
615		    ((pf->ccr_base + PCCARD_CCR_SIZE) <=
616		    (tmp->ccr_base - tmp->pf_ccr_offset +
617		    tmp->pf_ccr_realsize))) {
618			pf->pf_ccrt = tmp->pf_ccrt;
619			pf->pf_ccrh = tmp->pf_ccrh;
620			pf->pf_ccr_realsize = tmp->pf_ccr_realsize;
621
622			/*
623			 * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
624			 * tmp->ccr_base) + pf->ccr_base;
625			 */
626			/* pf->pf_ccr_offset =
627			    (tmp->pf_ccr_offset + pf->ccr_base) -
628			    tmp->ccr_base; */
629			pf->pf_ccr_window = tmp->pf_ccr_window;
630			break;
631		}
632	}
633	if (tmp == NULL) {
634		pf->ccr_rid = 0;
635		pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
636		    &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
637		if (!pf->ccr_res)
638			goto bad;
639		DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n",
640		    rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
641		    pf->ccr_base));
642		CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
643		    pf->ccr_rid, PCCARD_A_MEM_ATTR);
644		CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
645		    pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
646		pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
647		pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
648		pf->pf_ccr_realsize = 1;
649	}
650
651	reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
652	reg |= PCCARD_CCR_OPTION_LEVIREQ;
653	if (pccard_mfc(pf->sc)) {
654		reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
655			PCCARD_CCR_OPTION_ADDR_DECODE);
656		/* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
657	}
658	pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);
659
660	reg = 0;
661	if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
662		reg |= PCCARD_CCR_STATUS_IOIS8;
663	if (pf->cfe->flags & PCCARD_CFE_AUDIO)
664		reg |= PCCARD_CCR_STATUS_AUDIO;
665	pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);
666
667	pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);
668
669	if (pccard_mfc(pf->sc))
670		pccard_mfc_adjust_iobase(pf, 0, 0, 0);
671
672#ifdef PCCARDDEBUG
673	if (pccard_debug) {
674		STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
675			device_printf(tmp->sc->dev,
676			    "function %d CCR at %d offset %x: "
677			    "%x %x %x %x, %x %x %x %x, %x\n",
678			    tmp->number, tmp->pf_ccr_window,
679			    tmp->pf_ccr_offset,
680			    pccard_ccr_read(tmp, 0x00),
681			    pccard_ccr_read(tmp, 0x02),
682			    pccard_ccr_read(tmp, 0x04),
683			    pccard_ccr_read(tmp, 0x06),
684			    pccard_ccr_read(tmp, 0x0A),
685			    pccard_ccr_read(tmp, 0x0C),
686			    pccard_ccr_read(tmp, 0x0E),
687			    pccard_ccr_read(tmp, 0x10),
688			    pccard_ccr_read(tmp, 0x12));
689		}
690	}
691#endif
692	pf->pf_flags |= PFF_ENABLED;
693	return (0);
694
695 bad:
696	/*
697	 * Decrement the reference count, and power down the socket, if
698	 * necessary.
699	 */
700	pf->sc->sc_enabled_count--;
701	DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));
702
703	return (1);
704}
705
706/* Disable PCCARD function. */
707static void
708pccard_function_disable(struct pccard_function *pf)
709{
710	struct pccard_function *tmp;
711	device_t dev = pf->sc->dev;
712
713	if (pf->cfe == NULL)
714		panic("pccard_function_disable: function not initialized");
715
716	if ((pf->pf_flags & PFF_ENABLED) == 0) {
717		/*
718		 * Don't do anything if we're already disabled.
719		 */
720		return;
721	}
722
723	if (pf->intr_handler != NULL) {
724		struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
725		struct resource_list_entry *rle =
726		    resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
727		BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
728		    pf->intr_handler_cookie);
729	}
730
731	/*
732	 * it's possible for different functions' CCRs to be in the same
733	 * underlying page.  Check for that.  Note we mark us as disabled
734	 * first to avoid matching ourself.
735	 */
736
737	pf->pf_flags &= ~PFF_ENABLED;
738	STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
739		if ((tmp->pf_flags & PFF_ENABLED) &&
740		    (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
741		    ((pf->ccr_base + PCCARD_CCR_SIZE) <=
742		    (tmp->ccr_base - tmp->pf_ccr_offset +
743		    tmp->pf_ccr_realsize)))
744			break;
745	}
746
747	/* Not used by anyone else; unmap the CCR. */
748	if (tmp == NULL) {
749		bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
750		    pf->ccr_res);
751		pf->ccr_res = NULL;
752	}
753
754	/*
755	 * Decrement the reference count, and power down the socket, if
756	 * necessary.
757	 */
758	pf->sc->sc_enabled_count--;
759}
760
761/*
762 * simulate the old "probe" routine.  In the new world order, the driver
763 * needs to grab devices while in the old they were assigned to the device by
764 * the pccardd process.  These symbols are exported to the upper layers.
765 */
766static int
767pccard_compat_do_probe(device_t bus, device_t dev)
768{
769	return (CARD_COMPAT_MATCH(dev));
770}
771
772static int
773pccard_compat_do_attach(device_t bus, device_t dev)
774{
775	int err;
776
777	err = CARD_COMPAT_PROBE(dev);
778	if (err <= 0)
779		err = CARD_COMPAT_ATTACH(dev);
780	return (err);
781}
782
783#define PCCARD_NPORT	2
784#define PCCARD_NMEM	5
785#define PCCARD_NIRQ	1
786#define PCCARD_NDRQ	0
787
788static int
789pccard_add_children(device_t dev, int busno)
790{
791	/* Call parent to scan for any current children */
792	return (0);
793}
794
795static int
796pccard_probe(device_t dev)
797{
798	device_set_desc(dev, "16-bit PCCard bus");
799	return (pccard_add_children(dev, device_get_unit(dev)));
800}
801
802static int
803pccard_attach(device_t dev)
804{
805	struct pccard_softc *sc = PCCARD_SOFTC(dev);
806
807	sc->dev = dev;
808	sc->sc_enabled_count = 0;
809	return (bus_generic_attach(dev));
810}
811
812static int
813pccard_detach(device_t dev)
814{
815	pccard_detach_card(dev);
816	return 0;
817}
818
819static int
820pccard_suspend(device_t self)
821{
822	pccard_detach_card(self);
823	return (0);
824}
825
826static
827int
828pccard_resume(device_t self)
829{
830	return (0);
831}
832
833static void
834pccard_print_resources(struct resource_list *rl, const char *name, int type,
835    int count, const char *format)
836{
837	struct resource_list_entry *rle;
838	int printed;
839	int i;
840
841	printed = 0;
842	for (i = 0; i < count; i++) {
843		rle = resource_list_find(rl, type, i);
844		if (rle != NULL) {
845			if (printed == 0)
846				printf(" %s ", name);
847			else if (printed > 0)
848				printf(",");
849			printed++;
850			printf(format, rle->start);
851			if (rle->count > 1) {
852				printf("-");
853				printf(format, rle->start + rle->count - 1);
854			}
855		} else if (i > 3) {
856			/* check the first few regardless */
857			break;
858		}
859	}
860}
861
862static int
863pccard_print_child(device_t dev, device_t child)
864{
865	struct pccard_ivar *devi = PCCARD_IVAR(child);
866	struct resource_list *rl = &devi->resources;
867	int retval = 0;
868
869	retval += bus_print_child_header(dev, child);
870	retval += printf(" at");
871
872	if (devi != NULL) {
873		pccard_print_resources(rl, "port", SYS_RES_IOPORT,
874		    PCCARD_NPORT, "%#lx");
875		pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
876		    PCCARD_NMEM, "%#lx");
877		pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
878		    "%ld");
879		pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
880		    "%ld");
881		retval += printf(" function %d config %d", devi->fcn->number,
882		    devi->fcn->cfe->number);
883	}
884
885	retval += bus_print_child_footer(dev, child);
886
887	return (retval);
888}
889
890static int
891pccard_set_resource(device_t dev, device_t child, int type, int rid,
892		 u_long start, u_long count)
893{
894	struct pccard_ivar *devi = PCCARD_IVAR(child);
895	struct resource_list *rl = &devi->resources;
896
897	if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
898	    && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
899		return (EINVAL);
900	if (rid < 0)
901		return (EINVAL);
902	if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
903		return (EINVAL);
904	if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
905		return (EINVAL);
906	if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
907		return (EINVAL);
908	if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
909		return (EINVAL);
910
911	resource_list_add(rl, type, rid, start, start + count - 1, count);
912	if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
913	    type, &rid, start, start + count - 1, count, 0))
914		return 0;
915	else
916		return ENOMEM;
917}
918
919static int
920pccard_get_resource(device_t dev, device_t child, int type, int rid,
921    u_long *startp, u_long *countp)
922{
923	struct pccard_ivar *devi = PCCARD_IVAR(child);
924	struct resource_list *rl = &devi->resources;
925	struct resource_list_entry *rle;
926
927	rle = resource_list_find(rl, type, rid);
928	if (rle == NULL)
929		return (ENOENT);
930
931	if (startp != NULL)
932		*startp = rle->start;
933	if (countp != NULL)
934		*countp = rle->count;
935
936	return (0);
937}
938
939static void
940pccard_delete_resource(device_t dev, device_t child, int type, int rid)
941{
942	struct pccard_ivar *devi = PCCARD_IVAR(child);
943	struct resource_list *rl = &devi->resources;
944	resource_list_delete(rl, type, rid);
945}
946
947static int
948pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
949    u_int32_t flags)
950{
951	return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
952	    rid, flags));
953}
954
955static int
956pccard_set_memory_offset(device_t dev, device_t child, int rid,
957    u_int32_t offset, u_int32_t *deltap)
958
959{
960	return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
961	    offset, deltap));
962}
963
964static void
965pccard_probe_nomatch(device_t bus, device_t child)
966{
967	struct pccard_ivar *devi = PCCARD_IVAR(child);
968	struct pccard_function *func = devi->fcn;
969	struct pccard_softc *sc = PCCARD_SOFTC(bus);
970
971	device_printf(bus, "<unknown card>");
972	printf(" (manufacturer=0x%04x, product=0x%04x) at function %d\n",
973	  sc->card.manufacturer, sc->card.product, func->number);
974	device_printf(bus, "   CIS info: %s, %s, %s\n", sc->card.cis1_info[0],
975	  sc->card.cis1_info[1], sc->card.cis1_info[2]);
976	return;
977}
978
979static int
980pccard_child_location_str(device_t bus, device_t child, char *buf,
981    size_t buflen)
982{
983	struct pccard_ivar *devi = PCCARD_IVAR(child);
984	struct pccard_function *func = devi->fcn;
985
986	snprintf(buf, buflen, "function=%d", func->number);
987	return (0);
988}
989
990static int
991pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf,
992    size_t buflen)
993{
994	struct pccard_ivar *devi = PCCARD_IVAR(child);
995	struct pccard_function *func = devi->fcn;
996	struct pccard_softc *sc = PCCARD_SOFTC(bus);
997
998	snprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x "
999	    "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d",
1000	    sc->card.manufacturer, sc->card.product, sc->card.cis1_info[0],
1001	    sc->card.cis1_info[1], func->function);
1002	return (0);
1003}
1004
1005static int
1006pccard_read_ivar(device_t bus, device_t child, int which, u_char *result)
1007{
1008	struct pccard_ivar *devi = PCCARD_IVAR(child);
1009	struct pccard_function *func = devi->fcn;
1010	struct pccard_softc *sc = PCCARD_SOFTC(bus);
1011
1012	switch (which) {
1013	default:
1014	case PCCARD_IVAR_ETHADDR:
1015		bcopy(func->pf_funce_lan_nid, result, ETHER_ADDR_LEN);
1016		break;
1017	case PCCARD_IVAR_VENDOR:
1018		*(u_int32_t *) result = sc->card.manufacturer;
1019		break;
1020	case PCCARD_IVAR_PRODUCT:
1021		*(u_int32_t *) result = sc->card.product;
1022		break;
1023	case PCCARD_IVAR_PRODEXT:
1024		*(u_int16_t *) result = sc->card.prodext;
1025		break;
1026	case PCCARD_IVAR_FUNCTION:
1027		*(u_int32_t *) result = func->function;
1028		break;
1029	case PCCARD_IVAR_FUNCTION_NUMBER:
1030		if (!func) {
1031			device_printf(bus, "No function number, bug!\n");
1032			return (ENOENT);
1033		}
1034		*(u_int32_t *) result = func->number;
1035		break;
1036	case PCCARD_IVAR_VENDOR_STR:
1037		*(char **) result = sc->card.cis1_info[0];
1038		break;
1039	case PCCARD_IVAR_PRODUCT_STR:
1040		*(char **) result = sc->card.cis1_info[1];
1041		break;
1042	case PCCARD_IVAR_CIS3_STR:
1043		*(char **) result = sc->card.cis1_info[2];
1044		break;
1045	case PCCARD_IVAR_CIS4_STR:
1046		*(char **) result = sc->card.cis1_info[3];
1047		break;
1048	}
1049	return (0);
1050}
1051
1052static void
1053pccard_driver_added(device_t dev, driver_t *driver)
1054{
1055	struct pccard_softc *sc = PCCARD_SOFTC(dev);
1056	struct pccard_function *pf;
1057	device_t child;
1058
1059	STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
1060		if (STAILQ_EMPTY(&pf->cfe_head))
1061			continue;
1062		child = pf->dev;
1063		if (device_get_state(child) != DS_NOTPRESENT)
1064			continue;
1065		if (pccard_function_enable(pf) == 0 &&
1066		    device_probe_and_attach(child) == 0) {
1067			DEVPRINTF((sc->dev, "function %d CCR at %d "
1068			    "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
1069			    pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
1070			    pccard_ccr_read(pf, 0x00),
1071			pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
1072			pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
1073			pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
1074			pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
1075		} else {
1076			if (pf->cfe != NULL)
1077				pccard_function_disable(pf);
1078		}
1079	}
1080	return;
1081}
1082
1083static struct resource *
1084pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
1085    u_long start, u_long end, u_long count, u_int flags)
1086{
1087	struct pccard_ivar *dinfo;
1088	struct resource_list_entry *rle = 0;
1089	int passthrough = (device_get_parent(child) != dev);
1090	int isdefault = (start == 0 && end == ~0UL && count == 1);
1091	struct resource *r = NULL;
1092
1093	/* XXX I'm no longer sure this is right */
1094	if (passthrough) {
1095		return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
1096		    type, rid, start, end, count, flags));
1097	}
1098
1099	dinfo = device_get_ivars(child);
1100	rle = resource_list_find(&dinfo->resources, type, *rid);
1101
1102	if (rle == NULL && isdefault)
1103		return (NULL);	/* no resource of that type/rid */
1104	if (rle == NULL || rle->res == NULL) {
1105		/* Do we want this device to own it? */
1106		/* XXX I think so, but that might be lame XXX */
1107		r = bus_alloc_resource(dev, type, rid, start, end,
1108		  count, flags /* XXX aligment? */);
1109		if (r == NULL)
1110		    goto bad;
1111		resource_list_add(&dinfo->resources, type, *rid,
1112		  rman_get_start(r), rman_get_end(r), count);
1113		rle = resource_list_find(&dinfo->resources, type, *rid);
1114		if (!rle)
1115		    goto bad;
1116		rle->res = r;
1117	}
1118	/*
1119	 * XXX the following looks wrong, in theory, but likely it is
1120	 * XXX needed because of how the CIS code allocates resources
1121	 * XXX for this device.
1122	 */
1123	if (rman_get_device(rle->res) != dev)
1124		return (NULL);
1125	bus_release_resource(dev, type, *rid, rle->res);
1126	rle->res = NULL;
1127	switch(type) {
1128	case SYS_RES_IOPORT:
1129	case SYS_RES_MEMORY:
1130		if (!(flags & RF_ALIGNMENT_MASK))
1131			flags |= rman_make_alignment_flags(rle->count);
1132		break;
1133	case SYS_RES_IRQ:
1134		flags |= RF_SHAREABLE;
1135		break;
1136	}
1137	rle->res = resource_list_alloc(&dinfo->resources, dev, child,
1138	    type, rid, rle->start, rle->end, rle->count, flags);
1139	return (rle->res);
1140bad:;
1141	device_printf(dev, "WARNING: Resource not reserved by pccard\n");
1142	return (NULL);
1143}
1144
1145static int
1146pccard_release_resource(device_t dev, device_t child, int type, int rid,
1147    struct resource *r)
1148{
1149	struct pccard_ivar *dinfo;
1150	int passthrough = (device_get_parent(child) != dev);
1151	struct resource_list_entry *rle = 0;
1152	int ret;
1153	int flags;
1154
1155	if (passthrough)
1156		return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1157		    type, rid, r);
1158
1159	dinfo = device_get_ivars(child);
1160
1161	rle = resource_list_find(&dinfo->resources, type, rid);
1162
1163	if (!rle) {
1164		device_printf(dev, "Allocated resource not found, "
1165		    "%d %x %lx %lx\n",
1166		    type, rid, rman_get_start(r), rman_get_size(r));
1167		return ENOENT;
1168	}
1169	if (!rle->res) {
1170		device_printf(dev, "Allocated resource not recorded\n");
1171		return ENOENT;
1172	}
1173
1174	ret = BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
1175	    type, rid, r);
1176	switch(type) {
1177	case SYS_RES_IOPORT:
1178	case SYS_RES_MEMORY:
1179		flags = rman_make_alignment_flags(rle->count);
1180		break;
1181	case SYS_RES_IRQ:
1182		flags = RF_SHAREABLE;
1183		break;
1184	default:
1185		flags = 0;
1186	}
1187	rle->res = bus_alloc_resource(dev, type, &rid,
1188	    rle->start, rle->end, rle->count, flags);
1189	if (rle->res == NULL)
1190		device_printf(dev, "release_resource: "
1191		    "unable to reaquire resource\n");
1192	return ret;
1193}
1194
1195static void
1196pccard_child_detached(device_t parent, device_t dev)
1197{
1198	struct pccard_ivar *ivar = PCCARD_IVAR(dev);
1199	struct pccard_function *pf = ivar->fcn;
1200
1201	pccard_function_disable(pf);
1202}
1203
1204static void
1205pccard_intr(void *arg)
1206{
1207	struct pccard_function *pf = (struct pccard_function*) arg;
1208	int reg;
1209	int doisr = 1;
1210
1211	/*
1212	 * MFC cards know if they interrupted, so we have to ack the
1213	 * interrupt and call the ISR.  Non-MFC cards don't have these
1214	 * bits, so they always get called.  Many non-MFC cards have
1215	 * this bit set always upon read, but some do not.
1216	 *
1217	 * We always ack the interrupt, even if there's no ISR
1218	 * for the card.  This is done on the theory that acking
1219	 * the interrupt will pacify the card enough to keep an
1220	 * interrupt storm from happening.  Of course this won't
1221	 * help in the non-MFC case.
1222	 *
1223	 * This has no impact for MPSAFEness of the client drivers.
1224	 * We register this with whatever flags the intr_handler
1225	 * was registered with.  All these functions are MPSAFE.
1226	 */
1227	if (pccard_mfc(pf->sc)) {
1228		reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
1229		if (reg & PCCARD_CCR_STATUS_INTR)
1230			pccard_ccr_write(pf, PCCARD_CCR_STATUS,
1231			    reg & ~PCCARD_CCR_STATUS_INTR);
1232		else
1233			doisr = 0;
1234	}
1235	if (pf->intr_handler != NULL && doisr)
1236		pf->intr_handler(pf->intr_handler_arg);
1237}
1238
1239static int
1240pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
1241    int flags, driver_intr_t *intr, void *arg, void **cookiep)
1242{
1243	struct pccard_softc *sc = PCCARD_SOFTC(dev);
1244	struct pccard_ivar *ivar = PCCARD_IVAR(child);
1245	struct pccard_function *func = ivar->fcn;
1246	int err;
1247
1248	if (func->intr_handler != NULL)
1249		panic("Only one interrupt handler per function allowed");
1250	err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
1251	    func, cookiep);
1252	if (err != 0)
1253		return (err);
1254	func->intr_handler = intr;
1255	func->intr_handler_arg = arg;
1256	func->intr_handler_cookie = *cookiep;
1257	if (pccard_mfc(sc)) {
1258		pccard_ccr_write(func, PCCARD_CCR_OPTION,
1259		    pccard_ccr_read(func, PCCARD_CCR_OPTION) |
1260		    PCCARD_CCR_OPTION_IREQ_ENABLE);
1261	}
1262	return (0);
1263}
1264
1265static int
1266pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
1267    void *cookie)
1268{
1269	struct pccard_softc *sc = PCCARD_SOFTC(dev);
1270	struct pccard_ivar *ivar = PCCARD_IVAR(child);
1271	struct pccard_function *func = ivar->fcn;
1272	int ret;
1273
1274	if (pccard_mfc(sc)) {
1275		pccard_ccr_write(func, PCCARD_CCR_OPTION,
1276		    pccard_ccr_read(func, PCCARD_CCR_OPTION) &
1277		    ~PCCARD_CCR_OPTION_IREQ_ENABLE);
1278	}
1279	ret = bus_generic_teardown_intr(dev, child, r, cookie);
1280	if (ret == 0) {
1281		func->intr_handler = NULL;
1282		func->intr_handler_arg = NULL;
1283		func->intr_handler_cookie = NULL;
1284	}
1285
1286	return (ret);
1287}
1288
1289static int
1290pccard_activate_resource(device_t brdev, device_t child, int type, int rid,
1291    struct resource *r)
1292{
1293	struct pccard_ivar *ivar = PCCARD_IVAR(child);
1294	struct pccard_function *pf = ivar->fcn;
1295
1296	switch(type) {
1297	case SYS_RES_IOPORT:
1298		/*
1299		 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC
1300		 * card.
1301		 */
1302		if (pccard_mfc(pf->sc))
1303			pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0,
1304			    rman_get_size(r));
1305		break;
1306	default:
1307		break;
1308	}
1309	return (bus_generic_activate_resource(brdev, child, type, rid, r));
1310}
1311
1312static int
1313pccard_deactivate_resource(device_t brdev, device_t child, int type,
1314    int rid, struct resource *r)
1315{
1316	/* XXX undo pccard_activate_resource? XXX */
1317	return (bus_generic_deactivate_resource(brdev, child, type, rid, r));
1318}
1319
1320static device_method_t pccard_methods[] = {
1321	/* Device interface */
1322	DEVMETHOD(device_probe,		pccard_probe),
1323	DEVMETHOD(device_attach,	pccard_attach),
1324	DEVMETHOD(device_detach,	pccard_detach),
1325	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
1326	DEVMETHOD(device_suspend,	pccard_suspend),
1327	DEVMETHOD(device_resume,	pccard_resume),
1328
1329	/* Bus interface */
1330	DEVMETHOD(bus_print_child,	pccard_print_child),
1331	DEVMETHOD(bus_driver_added,	pccard_driver_added),
1332	DEVMETHOD(bus_child_detached,	pccard_child_detached),
1333	DEVMETHOD(bus_alloc_resource,	pccard_alloc_resource),
1334	DEVMETHOD(bus_release_resource,	pccard_release_resource),
1335	DEVMETHOD(bus_activate_resource, pccard_activate_resource),
1336	DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource),
1337	DEVMETHOD(bus_setup_intr,	pccard_setup_intr),
1338	DEVMETHOD(bus_teardown_intr,	pccard_teardown_intr),
1339	DEVMETHOD(bus_set_resource,	pccard_set_resource),
1340	DEVMETHOD(bus_get_resource,	pccard_get_resource),
1341	DEVMETHOD(bus_delete_resource,	pccard_delete_resource),
1342	DEVMETHOD(bus_probe_nomatch,	pccard_probe_nomatch),
1343	DEVMETHOD(bus_read_ivar,	pccard_read_ivar),
1344	DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str),
1345	DEVMETHOD(bus_child_location_str, pccard_child_location_str),
1346
1347	/* Card Interface */
1348	DEVMETHOD(card_set_res_flags,	pccard_set_res_flags),
1349	DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
1350	DEVMETHOD(card_attach_card,	pccard_attach_card),
1351	DEVMETHOD(card_detach_card,	pccard_detach_card),
1352	DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
1353	DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
1354	DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
1355
1356	{ 0, 0 }
1357};
1358
1359static driver_t pccard_driver = {
1360	"pccard",
1361	pccard_methods,
1362	sizeof(struct pccard_softc)
1363};
1364
1365devclass_t	pccard_devclass;
1366
1367/* Maybe we need to have a slot device? */
1368DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, 0, 0);
1369DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, 0, 0);
1370MODULE_VERSION(pccard, 1);
1371