1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2000,2001 Jonathan Chen All rights reserved.
5 * Copyright (c) 2005-2008 M. Warner Losh <imp@FreeBSD.org>
6 *
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 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31/*
32 * CIS Handling for the Cardbus Bus
33 */
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/kernel.h>
38#include <sys/malloc.h>
39
40#include <sys/bus.h>
41#include <machine/bus.h>
42#include <machine/resource.h>
43#include <sys/rman.h>
44#include <sys/endian.h>
45
46#include <sys/pciio.h>
47#include <dev/pci/pcivar.h>
48#include <dev/pci/pcireg.h>
49
50#include <dev/pccard/pccardvar.h>
51#include <dev/pccard/pccard_cis.h>
52
53#include <dev/cardbus/cardbusreg.h>
54#include <dev/cardbus/cardbusvar.h>
55#include <dev/cardbus/cardbus_cis.h>
56
57extern int cardbus_cis_debug;
58
59#define	DPRINTF(a) if (cardbus_cis_debug) printf a
60#define	DEVPRINTF(x) if (cardbus_cis_debug) device_printf x
61
62#define CIS_CONFIG_SPACE	(struct resource *)~0UL
63
64static int decode_tuple_generic(device_t cbdev, device_t child, int id,
65    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
66    struct tuple_callbacks *info, void *);
67static int decode_tuple_linktarget(device_t cbdev, device_t child, int id,
68    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
69    struct tuple_callbacks *info, void *);
70static int decode_tuple_vers_1(device_t cbdev, device_t child, int id,
71    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
72    struct tuple_callbacks *info, void *);
73static int decode_tuple_funcid(device_t cbdev, device_t child, int id,
74    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
75    struct tuple_callbacks *info, void *);
76static int decode_tuple_manfid(device_t cbdev, device_t child, int id,
77    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
78    struct tuple_callbacks *info, void *);
79static int decode_tuple_funce(device_t cbdev, device_t child, int id,
80    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
81    struct tuple_callbacks *info, void *);
82static int decode_tuple_bar(device_t cbdev, device_t child, int id,
83    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
84    struct tuple_callbacks *info, void *);
85static int decode_tuple_unhandled(device_t cbdev, device_t child, int id,
86    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
87    struct tuple_callbacks *info, void *);
88static int decode_tuple_end(device_t cbdev, device_t child, int id,
89    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
90    struct tuple_callbacks *info, void *);
91
92static int	cardbus_read_tuple_conf(device_t cbdev, device_t child,
93		    uint32_t start, uint32_t *off, int *tupleid, int *len,
94		    uint8_t *tupledata);
95static int	cardbus_read_tuple_mem(device_t cbdev, struct resource *res,
96		    uint32_t start, uint32_t *off, int *tupleid, int *len,
97		    uint8_t *tupledata);
98static int	cardbus_read_tuple(device_t cbdev, device_t child,
99		    struct resource *res, uint32_t start, uint32_t *off,
100		    int *tupleid, int *len, uint8_t *tupledata);
101static void	cardbus_read_tuple_finish(device_t cbdev, device_t child,
102		    int rid, struct resource *res);
103static struct resource	*cardbus_read_tuple_init(device_t cbdev, device_t child,
104		    uint32_t *start, int *rid);
105static int	decode_tuple(device_t cbdev, device_t child, int tupleid,
106		    int len, uint8_t *tupledata, uint32_t start,
107		    uint32_t *off, struct tuple_callbacks *callbacks,
108		    void *);
109#define	MAKETUPLE(NAME,FUNC) { CISTPL_ ## NAME, #NAME, decode_tuple_ ## FUNC }
110
111static char *funcnames[] = {
112	"Multi-Functioned",
113	"Memory",
114	"Serial Port",
115	"Parallel Port",
116	"Fixed Disk",
117	"Video Adaptor",
118	"Network Adaptor",
119	"AIMS",
120	"SCSI",
121	"Security"
122};
123
124/*
125 * Handler functions for various CIS tuples
126 */
127
128static int
129decode_tuple_generic(device_t cbdev, device_t child, int id,
130    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
131    struct tuple_callbacks *info, void *argp)
132{
133	int i;
134
135	if (cardbus_cis_debug) {
136		if (info)
137			printf("TUPLE: %s [%d]:", info->name, len);
138		else
139			printf("TUPLE: Unknown(0x%02x) [%d]:", id, len);
140
141		for (i = 0; i < len; i++) {
142			if (i % 0x10 == 0 && len > 0x10)
143				printf("\n       0x%02x:", i);
144			printf(" %02x", tupledata[i]);
145		}
146		printf("\n");
147	}
148	return (0);
149}
150
151static int
152decode_tuple_linktarget(device_t cbdev, device_t child, int id,
153    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
154    struct tuple_callbacks *info, void *argp)
155{
156	int i;
157
158	if (cardbus_cis_debug) {
159		printf("TUPLE: %s [%d]:", info->name, len);
160
161		for (i = 0; i < len; i++) {
162			if (i % 0x10 == 0 && len > 0x10)
163				printf("\n       0x%02x:", i);
164			printf(" %02x", tupledata[i]);
165		}
166		printf("\n");
167	}
168	if (len != 3 || tupledata[0] != 'C' || tupledata[1] != 'I' ||
169	    tupledata[2] != 'S') {
170		printf("Invalid data for CIS Link Target!\n");
171		decode_tuple_generic(cbdev, child, id, len, tupledata,
172		    start, off, info, argp);
173		return (EINVAL);
174	}
175	return (0);
176}
177
178static int
179decode_tuple_vers_1(device_t cbdev, device_t child, int id,
180    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
181    struct tuple_callbacks *info, void *argp)
182{
183	int i;
184
185	if (cardbus_cis_debug) {
186		printf("Product version: %d.%d\n", tupledata[0], tupledata[1]);
187		printf("Product name: ");
188		for (i = 2; i < len; i++) {
189			if (tupledata[i] == '\0')
190				printf(" | ");
191			else if (tupledata[i] == 0xff)
192				break;
193			else
194				printf("%c", tupledata[i]);
195		}
196		printf("\n");
197	}
198	return (0);
199}
200
201static int
202decode_tuple_funcid(device_t cbdev, device_t child, int id,
203    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
204    struct tuple_callbacks *info, void *argp)
205{
206	struct cardbus_devinfo *dinfo = device_get_ivars(child);
207	int numnames = nitems(funcnames);
208	int i;
209
210	if (cardbus_cis_debug) {
211		printf("Functions: ");
212		for (i = 0; i < len; i++) {
213			if (tupledata[i] < numnames)
214				printf("%s", funcnames[tupledata[i]]);
215			else
216				printf("Unknown(%d)", tupledata[i]);
217			if (i < len - 1)
218				printf(", ");
219		}
220		printf("\n");
221	}
222	if (len > 0)
223		dinfo->funcid = tupledata[0];		/* use first in list */
224	return (0);
225}
226
227static int
228decode_tuple_manfid(device_t cbdev, device_t child, int id,
229    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
230    struct tuple_callbacks *info, void *argp)
231{
232	struct cardbus_devinfo *dinfo = device_get_ivars(child);
233	int i;
234
235	if (cardbus_cis_debug) {
236		printf("Manufacturer ID: ");
237		for (i = 0; i < len; i++)
238			printf("%02x", tupledata[i]);
239		printf("\n");
240	}
241
242	if (len == 5) {
243		dinfo->mfrid = tupledata[1] | (tupledata[2] << 8);
244		dinfo->prodid = tupledata[3] | (tupledata[4] << 8);
245	}
246	return (0);
247}
248
249static int
250decode_tuple_funce(device_t cbdev, device_t child, int id,
251    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
252    struct tuple_callbacks *info, void *argp)
253{
254	struct cardbus_devinfo *dinfo = device_get_ivars(child);
255	int type, i;
256
257	if (cardbus_cis_debug) {
258		printf("Function Extension: ");
259		for (i = 0; i < len; i++)
260			printf("%02x", tupledata[i]);
261		printf("\n");
262	}
263	if (len < 2)			/* too short */
264		return (0);
265	type = tupledata[0];		/* XXX <32 always? */
266	switch (dinfo->funcid) {
267	case PCCARD_FUNCTION_NETWORK:
268		switch (type) {
269		case PCCARD_TPLFE_TYPE_LAN_NID:
270			if (tupledata[1] > sizeof(dinfo->funce.lan.nid)) {
271				/* ignore, warning? */
272				return (0);
273			}
274			bcopy(tupledata + 2, dinfo->funce.lan.nid,
275			    tupledata[1]);
276			break;
277		}
278		dinfo->fepresent |= 1<<type;
279		break;
280	}
281	return (0);
282}
283
284static int
285decode_tuple_bar(device_t cbdev, device_t child, int id,
286    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
287    struct tuple_callbacks *info, void *argp)
288{
289	struct cardbus_devinfo *dinfo = device_get_ivars(child);
290	int type;
291	uint8_t reg;
292	uint32_t bar;
293
294	if (len != 6) {
295		device_printf(cbdev, "CIS BAR length not 6 (%d)\n", len);
296		return (EINVAL);
297	}
298
299	reg = *tupledata;
300	len = le32toh(*(uint32_t*)(tupledata + 2));
301	if (reg & TPL_BAR_REG_AS)
302		type = SYS_RES_IOPORT;
303	else
304		type = SYS_RES_MEMORY;
305
306	bar = reg & TPL_BAR_REG_ASI_MASK;
307	if (bar == 0) {
308		device_printf(cbdev, "Invalid BAR type 0 in CIS\n");
309		return (EINVAL);	/* XXX Return an error? */
310	} else if (bar == 7) {
311		/* XXX Should we try to map in Option ROMs? */
312		return (0);
313	}
314
315	/* Convert from BAR type to BAR offset */
316	bar = PCIR_BAR(bar - 1);
317
318	if (type == SYS_RES_MEMORY) {
319		if (reg & TPL_BAR_REG_PREFETCHABLE)
320			dinfo->mprefetchable |= (1 << PCI_RID2BAR(bar));
321		/*
322		 * The PC Card spec says we're only supposed to honor this
323		 * hint when the cardbus bridge is a child of pci0 (the main
324		 * bus).  The PC Card spec seems to indicate that this should
325		 * only be done on x86 based machines, which suggests that on
326		 * non-x86 machines the addresses can be anywhere.  Since the
327		 * hardware can do it on non-x86 machines, it should be able
328		 * to do it on x86 machines too.  Therefore, we can and should
329		 * ignore this hint.  Furthermore, the PC Card spec recommends
330		 * always allocating memory above 1MB, contradicting the other
331		 * part of the PC Card spec, it seems.  We make note of it,
332		 * but otherwise don't use this information.
333		 *
334		 * Some Realtek cards have this set in their CIS, but fail
335		 * to actually work when mapped this way, and experience
336		 * has shown ignoring this big to be a wise choice.
337		 *
338		 * XXX We should cite chapter and verse for standard refs.
339		 */
340		if (reg & TPL_BAR_REG_BELOW1MB)
341			dinfo->mbelow1mb |= (1 << PCI_RID2BAR(bar));
342	}
343
344	return (0);
345}
346
347static int
348decode_tuple_unhandled(device_t cbdev, device_t child, int id,
349    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
350    struct tuple_callbacks *info, void *argp)
351{
352	/* Make this message suck less XXX */
353	printf("TUPLE: %s [%d] is unhandled! Bailing...", info->name, len);
354	return (EINVAL);
355}
356
357static int
358decode_tuple_end(device_t cbdev, device_t child, int id,
359    int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
360    struct tuple_callbacks *info, void *argp)
361{
362	if (cardbus_cis_debug)
363		printf("CIS reading done\n");
364	return (0);
365}
366
367/*
368 * Functions to read the a tuple from the card
369 */
370
371/*
372 * Read CIS bytes out of the config space.  We have to read it 4 bytes at a
373 * time and do the usual mask and shift to return the bytes.  The standard
374 * defines the byte order to be little endian.  pci_read_config converts it to
375 * host byte order.  This is why we have no endian conversion functions: the
376 * shifts wind up being endian neutral.  This is also why we avoid the obvious
377 * memcpy optimization.
378 */
379static int
380cardbus_read_tuple_conf(device_t cbdev, device_t child, uint32_t start,
381    uint32_t *off, int *tupleid, int *len, uint8_t *tupledata)
382{
383	int i, j;
384	uint32_t e;
385	uint32_t loc;
386
387	loc = start + *off;
388
389	e = pci_read_config(child, loc & ~0x3, 4);
390	e >>= 8 * (loc & 0x3);
391	*len = 0;
392	for (i = loc, j = -2; j < *len; j++, i++) {
393		if ((i & 0x3) == 0)
394			e = pci_read_config(child, i, 4);
395		if (j == -2)
396			*tupleid = 0xff & e;
397		else if (j == -1)
398			*len = 0xff & e;
399		else
400			tupledata[j] = 0xff & e;
401		e >>= 8;
402	}
403	*off += *len + 2;
404	return (0);
405}
406
407/*
408 * Read the CIS data out of memory.  We indirect through the bus space
409 * routines to ensure proper byte ordering conversions when necessary.
410 */
411static int
412cardbus_read_tuple_mem(device_t cbdev, struct resource *res, uint32_t start,
413    uint32_t *off, int *tupleid, int *len, uint8_t *tupledata)
414{
415	int ret;
416
417	*tupleid = bus_read_1(res, start + *off);
418	*len = bus_read_1(res, start + *off + 1);
419	bus_read_region_1(res, *off + start + 2, tupledata, *len);
420	ret = 0;
421	*off += *len + 2;
422	return (ret);
423}
424
425static int
426cardbus_read_tuple(device_t cbdev, device_t child, struct resource *res,
427    uint32_t start, uint32_t *off, int *tupleid, int *len,
428    uint8_t *tupledata)
429{
430	if (res == CIS_CONFIG_SPACE)
431		return (cardbus_read_tuple_conf(cbdev, child, start, off,
432		    tupleid, len, tupledata));
433	return (cardbus_read_tuple_mem(cbdev, res, start, off, tupleid, len,
434	    tupledata));
435}
436
437static void
438cardbus_read_tuple_finish(device_t cbdev, device_t child, int rid,
439    struct resource *res)
440{
441	if (res != CIS_CONFIG_SPACE) {
442		bus_release_resource(child, SYS_RES_MEMORY, rid, res);
443		bus_delete_resource(child, SYS_RES_MEMORY, rid);
444	}
445}
446
447static struct resource *
448cardbus_read_tuple_init(device_t cbdev, device_t child, uint32_t *start,
449    int *rid)
450{
451	struct resource *res;
452	uint32_t space;
453
454	space = *start & PCIM_CIS_ASI_MASK;
455	switch (space) {
456	case PCIM_CIS_ASI_CONFIG:
457		DEVPRINTF((cbdev, "CIS in PCI config space\n"));
458		/* CIS in PCI config space need no initialization */
459		return (CIS_CONFIG_SPACE);
460	case PCIM_CIS_ASI_BAR0:
461	case PCIM_CIS_ASI_BAR1:
462	case PCIM_CIS_ASI_BAR2:
463	case PCIM_CIS_ASI_BAR3:
464	case PCIM_CIS_ASI_BAR4:
465	case PCIM_CIS_ASI_BAR5:
466		*rid = PCIR_BAR(space - PCIM_CIS_ASI_BAR0);
467		DEVPRINTF((cbdev, "CIS in BAR %#x\n", *rid));
468		break;
469	case PCIM_CIS_ASI_ROM:
470		*rid = PCIR_BIOS;
471		DEVPRINTF((cbdev, "CIS in option rom\n"));
472		break;
473	default:
474		device_printf(cbdev, "Unable to read CIS: Unknown space: %d\n",
475		    space);
476		return (NULL);
477	}
478
479	/* allocate the memory space to read CIS */
480	res = bus_alloc_resource_any(child, SYS_RES_MEMORY, rid,
481	    rman_make_alignment_flags(4096) | RF_ACTIVE);
482	if (res == NULL) {
483		device_printf(cbdev, "Unable to allocate resource "
484		    "to read CIS.\n");
485		return (NULL);
486	}
487	DEVPRINTF((cbdev, "CIS Mapped to %#jx\n",
488	    rman_get_start(res)));
489
490	/* Flip to the right ROM image if CIS is in ROM */
491	if (space == PCIM_CIS_ASI_ROM) {
492		uint32_t imagesize;
493		uint32_t imagebase = 0;
494		uint32_t pcidata;
495		uint16_t romsig;
496		int romnum = 0;
497		int imagenum;
498
499		imagenum = (*start & PCIM_CIS_ROM_MASK) >> 28;
500		for (romnum = 0;; romnum++) {
501			romsig = bus_read_2(res,
502			    imagebase + CARDBUS_EXROM_SIGNATURE);
503			if (romsig != 0xaa55) {
504				device_printf(cbdev, "Bad header in rom %d: "
505				    "[%x] %04x\n", romnum, imagebase +
506				    CARDBUS_EXROM_SIGNATURE, romsig);
507				cardbus_read_tuple_finish(cbdev, child, *rid,
508				    res);
509				*rid = 0;
510				return (NULL);
511			}
512
513			/*
514			 * If this was the Option ROM image that we were
515			 * looking for, then we are done.
516			 */
517			if (romnum == imagenum)
518				break;
519
520			/* Find out where the next Option ROM image is */
521			pcidata = imagebase + bus_read_2(res,
522			    imagebase + CARDBUS_EXROM_DATA_PTR);
523			imagesize = bus_read_2(res,
524			    pcidata + CARDBUS_EXROM_DATA_IMAGE_LENGTH);
525
526			if (imagesize == 0) {
527				/*
528				 * XXX some ROMs seem to have this as zero,
529				 * can we assume this means 1 block?
530				 */
531				device_printf(cbdev, "Warning, size of Option "
532				    "ROM image %d is 0 bytes, assuming 512 "
533				    "bytes.\n", romnum);
534				imagesize = 1;
535			}
536
537			/* Image size is in 512 byte units */
538			imagesize <<= 9;
539
540			if ((bus_read_1(res, pcidata +
541			    CARDBUS_EXROM_DATA_INDICATOR) & 0x80) != 0) {
542				device_printf(cbdev, "Cannot find CIS in "
543				    "Option ROM\n");
544				cardbus_read_tuple_finish(cbdev, child, *rid,
545				    res);
546				*rid = 0;
547				return (NULL);
548			}
549			imagebase += imagesize;
550		}
551		*start = imagebase + (*start & PCIM_CIS_ADDR_MASK);
552	} else {
553		*start = *start & PCIM_CIS_ADDR_MASK;
554	}
555	DEVPRINTF((cbdev, "CIS offset is %#x\n", *start));
556
557	return (res);
558}
559
560/*
561 * Dispatch the right handler function per tuple
562 */
563
564static int
565decode_tuple(device_t cbdev, device_t child, int tupleid, int len,
566    uint8_t *tupledata, uint32_t start, uint32_t *off,
567    struct tuple_callbacks *callbacks, void *argp)
568{
569	int i;
570	for (i = 0; callbacks[i].id != CISTPL_GENERIC; i++) {
571		if (tupleid == callbacks[i].id)
572			return (callbacks[i].func(cbdev, child, tupleid, len,
573			    tupledata, start, off, &callbacks[i], argp));
574	}
575	return (callbacks[i].func(cbdev, child, tupleid, len,
576	    tupledata, start, off, NULL, argp));
577}
578
579int
580cardbus_parse_cis(device_t cbdev, device_t child,
581    struct tuple_callbacks *callbacks, void *argp)
582{
583	uint8_t *tupledata;
584	int tupleid = CISTPL_NULL;
585	int len;
586	int expect_linktarget;
587	uint32_t start, off;
588	struct resource *res;
589	int rid;
590
591	tupledata = malloc(MAXTUPLESIZE, M_DEVBUF, M_WAITOK | M_ZERO);
592	expect_linktarget = TRUE;
593	if ((start = pci_read_config(child, PCIR_CIS, 4)) == 0) {
594		DEVPRINTF((cbdev, "Warning: CIS pointer is 0: (no CIS)\n"));
595		free(tupledata, M_DEVBUF);
596		return (0);
597	}
598	DEVPRINTF((cbdev, "CIS pointer is %#x\n", start));
599	off = 0;
600	res = cardbus_read_tuple_init(cbdev, child, &start, &rid);
601	if (res == NULL) {
602		device_printf(cbdev, "Unable to allocate resources for CIS\n");
603		free(tupledata, M_DEVBUF);
604		return (ENXIO);
605	}
606
607	do {
608		if (cardbus_read_tuple(cbdev, child, res, start, &off,
609		    &tupleid, &len, tupledata) != 0) {
610			device_printf(cbdev, "Failed to read CIS.\n");
611			cardbus_read_tuple_finish(cbdev, child, rid, res);
612			free(tupledata, M_DEVBUF);
613			return (ENXIO);
614		}
615
616		if (expect_linktarget && tupleid != CISTPL_LINKTARGET) {
617			device_printf(cbdev, "Expecting link target, got 0x%x\n",
618			    tupleid);
619			cardbus_read_tuple_finish(cbdev, child, rid, res);
620			free(tupledata, M_DEVBUF);
621			return (EINVAL);
622		}
623		expect_linktarget = decode_tuple(cbdev, child, tupleid, len,
624		    tupledata, start, &off, callbacks, argp);
625		if (expect_linktarget != 0) {
626			device_printf(cbdev, "Parsing failed with %d\n",
627			    expect_linktarget);
628			cardbus_read_tuple_finish(cbdev, child, rid, res);
629			free(tupledata, M_DEVBUF);
630			return (expect_linktarget);
631		}
632	} while (tupleid != CISTPL_END);
633	cardbus_read_tuple_finish(cbdev, child, rid, res);
634	free(tupledata, M_DEVBUF);
635	return (0);
636}
637
638int
639cardbus_do_cis(device_t cbdev, device_t child)
640{
641	struct tuple_callbacks init_callbacks[] = {
642		MAKETUPLE(LONGLINK_CB,		unhandled),
643		MAKETUPLE(INDIRECT,		unhandled),
644		MAKETUPLE(LONGLINK_MFC,		unhandled),
645		MAKETUPLE(BAR,			bar),
646		MAKETUPLE(LONGLINK_A,		unhandled),
647		MAKETUPLE(LONGLINK_C,		unhandled),
648		MAKETUPLE(LINKTARGET,		linktarget),
649		MAKETUPLE(VERS_1,		vers_1),
650		MAKETUPLE(MANFID,		manfid),
651		MAKETUPLE(FUNCID,		funcid),
652		MAKETUPLE(FUNCE,		funce),
653		MAKETUPLE(END,			end),
654		MAKETUPLE(GENERIC,		generic),
655	};
656
657	return (cardbus_parse_cis(cbdev, child, init_callbacks, NULL));
658}
659