xref: /freebsd/sys/dev/sound/pci/ich.c (revision bd8e0aee01089c66c55eaedafefa62890b5eb3ff)
11b6c76a2SCameron Grant /*
21b6c76a2SCameron Grant  * Copyright (c) 2000 Katsurajima Naoto <raven@katsurajima.seya.yokohama.jp>
341a019c0SCameron Grant  * Copyright (c) 2001 Cameron Grant <cg@freebsd.org>
41b6c76a2SCameron Grant  * All rights reserved.
51b6c76a2SCameron Grant  *
61b6c76a2SCameron Grant  * Redistribution and use in source and binary forms, with or without
71b6c76a2SCameron Grant  * modification, are permitted provided that the following conditions
81b6c76a2SCameron Grant  * are met:
91b6c76a2SCameron Grant  * 1. Redistributions of source code must retain the above copyright
101b6c76a2SCameron Grant  *    notice, this list of conditions and the following disclaimer.
111b6c76a2SCameron Grant  * 2. Redistributions in binary form must reproduce the above copyright
121b6c76a2SCameron Grant  *    notice, this list of conditions and the following disclaimer in the
131b6c76a2SCameron Grant  *    documentation and/or other materials provided with the distribution.
141b6c76a2SCameron Grant  *
151b6c76a2SCameron Grant  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
161b6c76a2SCameron Grant  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
171b6c76a2SCameron Grant  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
181b6c76a2SCameron Grant  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
191b6c76a2SCameron Grant  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
201b6c76a2SCameron Grant  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
211b6c76a2SCameron Grant  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
221b6c76a2SCameron Grant  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
231b6c76a2SCameron Grant  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
241b6c76a2SCameron Grant  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF
251b6c76a2SCameron Grant  * SUCH DAMAGE.
261b6c76a2SCameron Grant  */
271b6c76a2SCameron Grant 
281b6c76a2SCameron Grant #include <dev/sound/pcm/sound.h>
291b6c76a2SCameron Grant #include <dev/sound/pcm/ac97.h>
3041a019c0SCameron Grant #include <dev/sound/pci/ich.h>
311b6c76a2SCameron Grant 
321b6c76a2SCameron Grant #include <pci/pcireg.h>
331b6c76a2SCameron Grant #include <pci/pcivar.h>
341b6c76a2SCameron Grant 
3567b1dce3SCameron Grant SND_DECLARE_FILE("$FreeBSD$");
3667b1dce3SCameron Grant 
371b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
381b6c76a2SCameron Grant 
391b6c76a2SCameron Grant #define ICH_TIMEOUT 1000 /* semaphore timeout polling count */
4041a019c0SCameron Grant #define ICH_DTBL_LENGTH 32
4141a019c0SCameron Grant #define ICH_DEFAULT_BUFSZ 16384
42fca71897SCameron Grant #define ICH_MAX_BUFSZ 65536
431b6c76a2SCameron Grant 
441b6c76a2SCameron Grant /* buffer descriptor */
451b6c76a2SCameron Grant struct ich_desc {
461b6c76a2SCameron Grant 	volatile u_int32_t buffer;
471b6c76a2SCameron Grant 	volatile u_int32_t length;
481b6c76a2SCameron Grant };
491b6c76a2SCameron Grant 
501b6c76a2SCameron Grant struct sc_info;
511b6c76a2SCameron Grant 
521b6c76a2SCameron Grant /* channel registers */
531b6c76a2SCameron Grant struct sc_chinfo {
54aaa16787SOrion Hodson 	u_int32_t num:8, run:1, run_save:1;
55aaa16787SOrion Hodson 	u_int32_t blksz, blkcnt, spd;
5641a019c0SCameron Grant 	u_int32_t regbase, spdreg;
5723d21797SOrion Hodson 	u_int32_t imask;
589924faf6SCameron Grant 	u_int32_t civ;
5941a019c0SCameron Grant 
601b6c76a2SCameron Grant 	struct snd_dbuf *buffer;
611b6c76a2SCameron Grant 	struct pcm_channel *channel;
621b6c76a2SCameron Grant 	struct sc_info *parent;
6341a019c0SCameron Grant 
6441a019c0SCameron Grant 	struct ich_desc *dtbl;
651b6c76a2SCameron Grant };
661b6c76a2SCameron Grant 
671b6c76a2SCameron Grant /* device private data */
681b6c76a2SCameron Grant struct sc_info {
691b6c76a2SCameron Grant 	device_t dev;
70fca71897SCameron Grant 	int hasvra, hasvrm, hasmic;
71fca71897SCameron Grant 	unsigned int chnum, bufsz;
721b6c76a2SCameron Grant 
7341a019c0SCameron Grant 	struct resource *nambar, *nabmbar, *irq;
7441a019c0SCameron Grant 	int nambarid, nabmbarid, irqid;
751b6c76a2SCameron Grant 	bus_space_tag_t nambart, nabmbart;
761b6c76a2SCameron Grant 	bus_space_handle_t nambarh, nabmbarh;
771b6c76a2SCameron Grant 	bus_dma_tag_t dmat;
7841a019c0SCameron Grant 	bus_dmamap_t dtmap;
791b6c76a2SCameron Grant 	void *ih;
801b6c76a2SCameron Grant 
811b6c76a2SCameron Grant 	struct ac97_info *codec;
8241a019c0SCameron Grant 	struct sc_chinfo ch[3];
832ae4ee83SOrion Hodson 	int ac97rate;
8441a019c0SCameron Grant 	struct ich_desc *dtbl;
851b6c76a2SCameron Grant };
861b6c76a2SCameron Grant 
871b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
881b6c76a2SCameron Grant 
8941a019c0SCameron Grant static u_int32_t ich_fmt[] = {
901b6c76a2SCameron Grant 	AFMT_STEREO | AFMT_S16_LE,
911b6c76a2SCameron Grant 	0
921b6c76a2SCameron Grant };
9341a019c0SCameron Grant static struct pcmchan_caps ich_vrcaps = {8000, 48000, ich_fmt, 0};
9441a019c0SCameron Grant static struct pcmchan_caps ich_caps = {48000, 48000, ich_fmt, 0};
951b6c76a2SCameron Grant 
961b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
971b6c76a2SCameron Grant /* Hardware */
981b6c76a2SCameron Grant static u_int32_t
991b6c76a2SCameron Grant ich_rd(struct sc_info *sc, int regno, int size)
1001b6c76a2SCameron Grant {
1011b6c76a2SCameron Grant 	switch (size) {
1021b6c76a2SCameron Grant 	case 1:
10341a019c0SCameron Grant 		return bus_space_read_1(sc->nabmbart, sc->nabmbarh, regno);
1041b6c76a2SCameron Grant 	case 2:
10541a019c0SCameron Grant 		return bus_space_read_2(sc->nabmbart, sc->nabmbarh, regno);
1061b6c76a2SCameron Grant 	case 4:
10741a019c0SCameron Grant 		return bus_space_read_4(sc->nabmbart, sc->nabmbarh, regno);
1081b6c76a2SCameron Grant 	default:
1091b6c76a2SCameron Grant 		return 0xffffffff;
1101b6c76a2SCameron Grant 	}
1111b6c76a2SCameron Grant }
1121b6c76a2SCameron Grant 
1131b6c76a2SCameron Grant static void
1141b6c76a2SCameron Grant ich_wr(struct sc_info *sc, int regno, u_int32_t data, int size)
1151b6c76a2SCameron Grant {
1161b6c76a2SCameron Grant 	switch (size) {
1171b6c76a2SCameron Grant 	case 1:
11841a019c0SCameron Grant 		bus_space_write_1(sc->nabmbart, sc->nabmbarh, regno, data);
1191b6c76a2SCameron Grant 		break;
1201b6c76a2SCameron Grant 	case 2:
12141a019c0SCameron Grant 		bus_space_write_2(sc->nabmbart, sc->nabmbarh, regno, data);
1221b6c76a2SCameron Grant 		break;
1231b6c76a2SCameron Grant 	case 4:
12441a019c0SCameron Grant 		bus_space_write_4(sc->nabmbart, sc->nabmbarh, regno, data);
1251b6c76a2SCameron Grant 		break;
1261b6c76a2SCameron Grant 	}
1271b6c76a2SCameron Grant }
1281b6c76a2SCameron Grant 
1291b6c76a2SCameron Grant /* ac97 codec */
1301b6c76a2SCameron Grant static int
1311b6c76a2SCameron Grant ich_waitcd(void *devinfo)
1321b6c76a2SCameron Grant {
1331b6c76a2SCameron Grant 	int i;
1341b6c76a2SCameron Grant 	u_int32_t data;
1351b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)devinfo;
13641a019c0SCameron Grant 
1371b6c76a2SCameron Grant 	for (i = 0; i < ICH_TIMEOUT; i++) {
13841a019c0SCameron Grant 		data = ich_rd(sc, ICH_REG_ACC_SEMA, 1);
1391b6c76a2SCameron Grant 		if ((data & 0x01) == 0)
1401b6c76a2SCameron Grant 			return 0;
1411b6c76a2SCameron Grant 	}
1421b6c76a2SCameron Grant 	device_printf(sc->dev, "CODEC semaphore timeout\n");
1431b6c76a2SCameron Grant 	return ETIMEDOUT;
1441b6c76a2SCameron Grant }
1451b6c76a2SCameron Grant 
1461b6c76a2SCameron Grant static int
1471b6c76a2SCameron Grant ich_rdcd(kobj_t obj, void *devinfo, int regno)
1481b6c76a2SCameron Grant {
1491b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)devinfo;
15041a019c0SCameron Grant 
1511b6c76a2SCameron Grant 	regno &= 0xff;
1521b6c76a2SCameron Grant 	ich_waitcd(sc);
15341a019c0SCameron Grant 
15441a019c0SCameron Grant 	return bus_space_read_2(sc->nambart, sc->nambarh, regno);
1551b6c76a2SCameron Grant }
1561b6c76a2SCameron Grant 
1571b6c76a2SCameron Grant static int
15841a019c0SCameron Grant ich_wrcd(kobj_t obj, void *devinfo, int regno, u_int16_t data)
1591b6c76a2SCameron Grant {
1601b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)devinfo;
16141a019c0SCameron Grant 
1621b6c76a2SCameron Grant 	regno &= 0xff;
1631b6c76a2SCameron Grant 	ich_waitcd(sc);
16441a019c0SCameron Grant 	bus_space_write_2(sc->nambart, sc->nambarh, regno, data);
16541a019c0SCameron Grant 
1661b6c76a2SCameron Grant 	return 0;
1671b6c76a2SCameron Grant }
1681b6c76a2SCameron Grant 
1691b6c76a2SCameron Grant static kobj_method_t ich_ac97_methods[] = {
1701b6c76a2SCameron Grant 	KOBJMETHOD(ac97_read,		ich_rdcd),
1711b6c76a2SCameron Grant 	KOBJMETHOD(ac97_write,		ich_wrcd),
1721b6c76a2SCameron Grant 	{ 0, 0 }
1731b6c76a2SCameron Grant };
1741b6c76a2SCameron Grant AC97_DECLARE(ich_ac97);
1751b6c76a2SCameron Grant 
1761b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
17741a019c0SCameron Grant /* common routines */
1781b6c76a2SCameron Grant 
1791b6c76a2SCameron Grant static void
18041a019c0SCameron Grant ich_filldtbl(struct sc_chinfo *ch)
1811b6c76a2SCameron Grant {
18241a019c0SCameron Grant 	u_int32_t base;
1839924faf6SCameron Grant 	int i;
1841b6c76a2SCameron Grant 
18541a019c0SCameron Grant 	base = vtophys(sndbuf_getbuf(ch->buffer));
18641a019c0SCameron Grant 	ch->blkcnt = sndbuf_getsize(ch->buffer) / ch->blksz;
18741a019c0SCameron Grant 	if (ch->blkcnt != 2 && ch->blkcnt != 4 && ch->blkcnt != 8 && ch->blkcnt != 16 && ch->blkcnt != 32) {
18841a019c0SCameron Grant 		ch->blkcnt = 2;
18941a019c0SCameron Grant 		ch->blksz = sndbuf_getsize(ch->buffer) / ch->blkcnt;
19041a019c0SCameron Grant 	}
19141a019c0SCameron Grant 
19241a019c0SCameron Grant 	for (i = 0; i < ICH_DTBL_LENGTH; i++) {
1939924faf6SCameron Grant 		ch->dtbl[i].buffer = base + (ch->blksz * (i % ch->blkcnt));
1949924faf6SCameron Grant 		ch->dtbl[i].length = ICH_BDC_IOC | (ch->blksz / 2);
1951b6c76a2SCameron Grant 	}
1961b6c76a2SCameron Grant }
1971b6c76a2SCameron Grant 
1981b6c76a2SCameron Grant static int
19941a019c0SCameron Grant ich_resetchan(struct sc_info *sc, int num)
2001b6c76a2SCameron Grant {
20141a019c0SCameron Grant 	int i, cr, regbase;
2021b6c76a2SCameron Grant 
20341a019c0SCameron Grant 	if (num == 0)
20441a019c0SCameron Grant 		regbase = ICH_REG_PO_BASE;
20541a019c0SCameron Grant 	else if (num == 1)
20641a019c0SCameron Grant 		regbase = ICH_REG_PI_BASE;
20741a019c0SCameron Grant 	else if (num == 2)
20841a019c0SCameron Grant 		regbase = ICH_REG_MC_BASE;
2091b6c76a2SCameron Grant 	else
21041a019c0SCameron Grant 		return ENXIO;
2111b6c76a2SCameron Grant 
21241a019c0SCameron Grant 	ich_wr(sc, regbase + ICH_REG_X_CR, 0, 1);
21341a019c0SCameron Grant 	DELAY(100);
21441a019c0SCameron Grant 	ich_wr(sc, regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1);
2151b6c76a2SCameron Grant 	for (i = 0; i < ICH_TIMEOUT; i++) {
21641a019c0SCameron Grant 		cr = ich_rd(sc, regbase + ICH_REG_X_CR, 1);
2171b6c76a2SCameron Grant 		if (cr == 0)
2181b6c76a2SCameron Grant 			return 0;
2191b6c76a2SCameron Grant 	}
2201b6c76a2SCameron Grant 
22141a019c0SCameron Grant 	device_printf(sc->dev, "cannot reset channel %d\n", num);
22241a019c0SCameron Grant 	return ENXIO;
2231b6c76a2SCameron Grant }
2241b6c76a2SCameron Grant 
2251b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
22641a019c0SCameron Grant /* channel interface */
2271b6c76a2SCameron Grant 
2281b6c76a2SCameron Grant static void *
22941a019c0SCameron Grant ichchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
2301b6c76a2SCameron Grant {
2311b6c76a2SCameron Grant 	struct sc_info *sc = devinfo;
2321b6c76a2SCameron Grant 	struct sc_chinfo *ch;
233fca71897SCameron Grant 	unsigned int num;
2341b6c76a2SCameron Grant 
23541a019c0SCameron Grant 	num = sc->chnum++;
23641a019c0SCameron Grant 	ch = &sc->ch[num];
23741a019c0SCameron Grant 	ch->num = num;
2381b6c76a2SCameron Grant 	ch->buffer = b;
2391b6c76a2SCameron Grant 	ch->channel = c;
2401b6c76a2SCameron Grant 	ch->parent = sc;
2411b6c76a2SCameron Grant 	ch->run = 0;
24241a019c0SCameron Grant 	ch->dtbl = sc->dtbl + (ch->num * ICH_DTBL_LENGTH);
24341a019c0SCameron Grant 	ch->blkcnt = 2;
244fca71897SCameron Grant 	ch->blksz = sc->bufsz / ch->blkcnt;
24541a019c0SCameron Grant 
24641a019c0SCameron Grant 	switch(ch->num) {
24741a019c0SCameron Grant 	case 0: /* play */
24841a019c0SCameron Grant 		KASSERT(dir == PCMDIR_PLAY, ("wrong direction"));
24941a019c0SCameron Grant 		ch->regbase = ICH_REG_PO_BASE;
25041a019c0SCameron Grant 		ch->spdreg = sc->hasvra? AC97_REGEXT_FDACRATE : 0;
25123d21797SOrion Hodson 		ch->imask = ICH_GLOB_STA_POINT;
25241a019c0SCameron Grant 		break;
25341a019c0SCameron Grant 
2549924faf6SCameron Grant 	case 1: /* record */
25541a019c0SCameron Grant 		KASSERT(dir == PCMDIR_REC, ("wrong direction"));
25641a019c0SCameron Grant 		ch->regbase = ICH_REG_PI_BASE;
25741a019c0SCameron Grant 		ch->spdreg = sc->hasvra? AC97_REGEXT_LADCRATE : 0;
25823d21797SOrion Hodson 		ch->imask = ICH_GLOB_STA_PIINT;
25941a019c0SCameron Grant 		break;
26041a019c0SCameron Grant 
2619924faf6SCameron Grant 	case 2: /* mic */
2629924faf6SCameron Grant 		KASSERT(dir == PCMDIR_REC, ("wrong direction"));
2639924faf6SCameron Grant 		ch->regbase = ICH_REG_MC_BASE;
2649924faf6SCameron Grant 		ch->spdreg = sc->hasvrm? AC97_REGEXT_MADCRATE : 0;
26523d21797SOrion Hodson 		ch->imask = ICH_GLOB_STA_MINT;
2669924faf6SCameron Grant 		break;
2679924faf6SCameron Grant 
26841a019c0SCameron Grant 	default:
2691b6c76a2SCameron Grant 		return NULL;
2701b6c76a2SCameron Grant 	}
27141a019c0SCameron Grant 
272fca71897SCameron Grant 	if (sndbuf_alloc(ch->buffer, sc->dmat, sc->bufsz))
27341a019c0SCameron Grant 		return NULL;
27441a019c0SCameron Grant 
27541a019c0SCameron Grant 	ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (u_int32_t)vtophys(ch->dtbl), 4);
27641a019c0SCameron Grant 
2771b6c76a2SCameron Grant 	return ch;
2781b6c76a2SCameron Grant }
2791b6c76a2SCameron Grant 
2801b6c76a2SCameron Grant static int
28141a019c0SCameron Grant ichchan_setformat(kobj_t obj, void *data, u_int32_t format)
2821b6c76a2SCameron Grant {
2831b6c76a2SCameron Grant 	return 0;
2841b6c76a2SCameron Grant }
2851b6c76a2SCameron Grant 
2861b6c76a2SCameron Grant static int
28741a019c0SCameron Grant ichchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
2881b6c76a2SCameron Grant {
2891b6c76a2SCameron Grant 	struct sc_chinfo *ch = data;
2901b6c76a2SCameron Grant 	struct sc_info *sc = ch->parent;
29141a019c0SCameron Grant 
2922ae4ee83SOrion Hodson 	if (ch->spdreg) {
2932ae4ee83SOrion Hodson 		int r;
2942ae4ee83SOrion Hodson 		if (sc->ac97rate <= 32000 || sc->ac97rate >= 64000)
2952ae4ee83SOrion Hodson 			sc->ac97rate = 48000;
296bd8e0aeeSOrion Hodson 		r = (speed * 48000) / sc->ac97rate;
297bd8e0aeeSOrion Hodson 		ch->spd = (ac97_setrate(sc->codec, ch->spdreg, r) * sc->ac97rate) / 48000;
2982ae4ee83SOrion Hodson 	} else {
299aaa16787SOrion Hodson 		ch->spd = 48000;
30041a019c0SCameron Grant 	}
301aaa16787SOrion Hodson 	return ch->spd;
3022ae4ee83SOrion Hodson }
30341a019c0SCameron Grant 
30441a019c0SCameron Grant static int
30541a019c0SCameron Grant ichchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
30641a019c0SCameron Grant {
30741a019c0SCameron Grant 	struct sc_chinfo *ch = data;
30841a019c0SCameron Grant 	struct sc_info *sc = ch->parent;
30941a019c0SCameron Grant 
31041a019c0SCameron Grant 	ch->blksz = blocksize;
31141a019c0SCameron Grant 	ich_filldtbl(ch);
3129924faf6SCameron Grant 	ich_wr(sc, ch->regbase + ICH_REG_X_LVI, ch->blkcnt - 1, 1);
31341a019c0SCameron Grant 
31441a019c0SCameron Grant 	return ch->blksz;
31541a019c0SCameron Grant }
31641a019c0SCameron Grant 
31741a019c0SCameron Grant static int
31841a019c0SCameron Grant ichchan_trigger(kobj_t obj, void *data, int go)
31941a019c0SCameron Grant {
32041a019c0SCameron Grant 	struct sc_chinfo *ch = data;
32141a019c0SCameron Grant 	struct sc_info *sc = ch->parent;
3221b6c76a2SCameron Grant 
3231b6c76a2SCameron Grant 	switch (go) {
3241b6c76a2SCameron Grant 	case PCMTRIG_START:
3251b6c76a2SCameron Grant 		ch->run = 1;
32641a019c0SCameron Grant 		ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (u_int32_t)vtophys(ch->dtbl), 4);
327bd8e0aeeSOrion Hodson 		ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM | ICH_X_CR_LVBIE | ICH_X_CR_IOCE, 1);
3281b6c76a2SCameron Grant 		break;
32941a019c0SCameron Grant 
3301b6c76a2SCameron Grant 	case PCMTRIG_ABORT:
33141a019c0SCameron Grant 		ich_resetchan(sc, ch->num);
3321b6c76a2SCameron Grant 		ch->run = 0;
3331b6c76a2SCameron Grant 		break;
3341b6c76a2SCameron Grant 	}
3351b6c76a2SCameron Grant 	return 0;
3361b6c76a2SCameron Grant }
3371b6c76a2SCameron Grant 
3381b6c76a2SCameron Grant static int
33941a019c0SCameron Grant ichchan_getptr(kobj_t obj, void *data)
3401b6c76a2SCameron Grant {
3411b6c76a2SCameron Grant 	struct sc_chinfo *ch = data;
3421b6c76a2SCameron Grant 	struct sc_info *sc = ch->parent;
3439924faf6SCameron Grant       	u_int32_t pos;
3441b6c76a2SCameron Grant 
3459924faf6SCameron Grant 	ch->civ = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1) % ch->blkcnt;
34641a019c0SCameron Grant 
3479924faf6SCameron Grant 	pos = ch->civ * ch->blksz;
34841a019c0SCameron Grant 
34941a019c0SCameron Grant 	return pos;
3501b6c76a2SCameron Grant }
3511b6c76a2SCameron Grant 
3521b6c76a2SCameron Grant static struct pcmchan_caps *
35341a019c0SCameron Grant ichchan_getcaps(kobj_t obj, void *data)
3541b6c76a2SCameron Grant {
35541a019c0SCameron Grant 	struct sc_chinfo *ch = data;
35641a019c0SCameron Grant 
35741a019c0SCameron Grant 	return ch->spdreg? &ich_vrcaps : &ich_caps;
3581b6c76a2SCameron Grant }
3591b6c76a2SCameron Grant 
36041a019c0SCameron Grant static kobj_method_t ichchan_methods[] = {
36141a019c0SCameron Grant 	KOBJMETHOD(channel_init,		ichchan_init),
36241a019c0SCameron Grant 	KOBJMETHOD(channel_setformat,		ichchan_setformat),
36341a019c0SCameron Grant 	KOBJMETHOD(channel_setspeed,		ichchan_setspeed),
36441a019c0SCameron Grant 	KOBJMETHOD(channel_setblocksize,	ichchan_setblocksize),
36541a019c0SCameron Grant 	KOBJMETHOD(channel_trigger,		ichchan_trigger),
36641a019c0SCameron Grant 	KOBJMETHOD(channel_getptr,		ichchan_getptr),
36741a019c0SCameron Grant 	KOBJMETHOD(channel_getcaps,		ichchan_getcaps),
3681b6c76a2SCameron Grant 	{ 0, 0 }
3691b6c76a2SCameron Grant };
37041a019c0SCameron Grant CHANNEL_DECLARE(ichchan);
3711b6c76a2SCameron Grant 
3721b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
3731b6c76a2SCameron Grant /* The interrupt handler */
37441a019c0SCameron Grant 
3751b6c76a2SCameron Grant static void
3761b6c76a2SCameron Grant ich_intr(void *p)
3771b6c76a2SCameron Grant {
3781b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)p;
3791b6c76a2SCameron Grant 	struct sc_chinfo *ch;
38023d21797SOrion Hodson 	u_int32_t cbi, lbi, lvi, st, gs;
38141a019c0SCameron Grant 	int i;
3821b6c76a2SCameron Grant 
383df6ee7b7SOrion Hodson 	gs = ich_rd(sc, ICH_REG_GLOB_STA, 4) & ICH_GLOB_STA_IMASK;
38423d21797SOrion Hodson 	if (gs & (ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES)) {
38523d21797SOrion Hodson 		/* Clear resume interrupt(s) - nothing doing with them */
38623d21797SOrion Hodson 		ich_wr(sc, ICH_REG_GLOB_STA, gs, 4);
38723d21797SOrion Hodson 	}
38823d21797SOrion Hodson 	gs &= ~(ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES);
38923d21797SOrion Hodson 
39041a019c0SCameron Grant 	for (i = 0; i < 3; i++) {
39141a019c0SCameron Grant 		ch = &sc->ch[i];
39223d21797SOrion Hodson 		if ((ch->imask & gs) == 0)
39323d21797SOrion Hodson 			continue;
39423d21797SOrion Hodson 		gs &= ~ch->imask;
39541a019c0SCameron Grant 		st = ich_rd(sc, ch->regbase + ICH_REG_X_SR, 2);
39641a019c0SCameron Grant 		st &= ICH_X_SR_FIFOE | ICH_X_SR_BCIS | ICH_X_SR_LVBCI;
3979924faf6SCameron Grant 		if (st & (ICH_X_SR_BCIS | ICH_X_SR_LVBCI)) {
39841a019c0SCameron Grant 				/* block complete - update buffer */
39941a019c0SCameron Grant 			if (ch->run)
4001b6c76a2SCameron Grant 				chn_intr(ch->channel);
40141a019c0SCameron Grant 			lvi = ich_rd(sc, ch->regbase + ICH_REG_X_LVI, 1);
4029924faf6SCameron Grant 			cbi = ch->civ % ch->blkcnt;
4039924faf6SCameron Grant 			if (cbi == 0)
4049924faf6SCameron Grant 				cbi = ch->blkcnt - 1;
4059924faf6SCameron Grant 			else
4069924faf6SCameron Grant 				cbi--;
4079924faf6SCameron Grant 			lbi = lvi % ch->blkcnt;
4089924faf6SCameron Grant 			if (cbi >= lbi)
4099924faf6SCameron Grant 				lvi += cbi - lbi;
4109924faf6SCameron Grant 			else
4119924faf6SCameron Grant 				lvi += cbi + ch->blkcnt - lbi;
41241a019c0SCameron Grant 			lvi %= ICH_DTBL_LENGTH;
41341a019c0SCameron Grant 			ich_wr(sc, ch->regbase + ICH_REG_X_LVI, lvi, 1);
41423d21797SOrion Hodson 
4151b6c76a2SCameron Grant 		}
4169924faf6SCameron Grant 		/* clear status bit */
4179924faf6SCameron Grant 		ich_wr(sc, ch->regbase + ICH_REG_X_SR, st, 2);
4181b6c76a2SCameron Grant 	}
41923d21797SOrion Hodson 	if (gs != 0) {
42023d21797SOrion Hodson 		device_printf(sc->dev,
42123d21797SOrion Hodson 			      "Unhandled interrupt, gs_intr = %x\n", gs);
4221b6c76a2SCameron Grant 	}
4231b6c76a2SCameron Grant }
4241b6c76a2SCameron Grant 
4252ae4ee83SOrion Hodson /* ------------------------------------------------------------------------- */
4262ae4ee83SOrion Hodson /* Sysctl to control ac97 speed (some boards overclocked ac97). */
4272ae4ee83SOrion Hodson 
4282ae4ee83SOrion Hodson static int
4292ae4ee83SOrion Hodson ich_initsys(struct sc_info* sc)
4302ae4ee83SOrion Hodson {
4312ae4ee83SOrion Hodson #ifdef SND_DYNSYSCTL
4322ae4ee83SOrion Hodson 	SYSCTL_ADD_INT(snd_sysctl_tree(sc->dev),
4332ae4ee83SOrion Hodson 		       SYSCTL_CHILDREN(snd_sysctl_tree_top(sc->dev)),
4342ae4ee83SOrion Hodson 		       OID_AUTO, "ac97rate", CTLFLAG_RW,
4352ae4ee83SOrion Hodson 		       &sc->ac97rate, 48000,
4362ae4ee83SOrion Hodson 		       "AC97 link rate (default = 48000)");
4372ae4ee83SOrion Hodson #endif /* SND_DYNSYSCTL */
4382ae4ee83SOrion Hodson 	return 0;
4392ae4ee83SOrion Hodson }
4402ae4ee83SOrion Hodson 
4411b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
4420225c5acSOrion Hodson /* Calibrate card (some boards are overclocked and need scaling) */
4430225c5acSOrion Hodson 
4440225c5acSOrion Hodson static
4450225c5acSOrion Hodson unsigned int ich_calibrate(struct sc_info *sc)
4460225c5acSOrion Hodson {
447bd8e0aeeSOrion Hodson 	struct sc_chinfo *ch = &sc->ch[1];
448bd8e0aeeSOrion Hodson 	struct timeval t1, t2;
449bd8e0aeeSOrion Hodson 	u_int8_t ociv, nciv;
450bd8e0aeeSOrion Hodson 	u_int32_t wait_us, actual_48k_rate, bytes;
451bd8e0aeeSOrion Hodson 
452bd8e0aeeSOrion Hodson 	/*
453bd8e0aeeSOrion Hodson 	 * Grab audio from input for fixed interval and compare how
4540225c5acSOrion Hodson 	 * much we actually get with what we expect.  Interval needs
4550225c5acSOrion Hodson 	 * to be sufficiently short that no interrupts are
456bd8e0aeeSOrion Hodson 	 * generated.
457bd8e0aeeSOrion Hodson 	 */
4580225c5acSOrion Hodson 
4590225c5acSOrion Hodson 	KASSERT(ch->regbase == ICH_REG_PI_BASE, ("wrong direction"));
4600225c5acSOrion Hodson 
461bd8e0aeeSOrion Hodson 	bytes = sndbuf_getsize(ch->buffer) / 2;
462bd8e0aeeSOrion Hodson 	ichchan_setblocksize(0, ch, bytes);
4630225c5acSOrion Hodson 
464bd8e0aeeSOrion Hodson 	/*
465bd8e0aeeSOrion Hodson 	 * our data format is stereo, 16 bit so each sample is 4 bytes.
466bd8e0aeeSOrion Hodson 	 * assuming we get 48000 samples per second, we get 192000 bytes/sec.
467bd8e0aeeSOrion Hodson 	 * we're going to start recording with interrupts disabled and measure
468bd8e0aeeSOrion Hodson 	 * the time taken for one block to complete.  we know the block size,
469bd8e0aeeSOrion Hodson 	 * we know the time in microseconds, we calculate the sample rate:
470bd8e0aeeSOrion Hodson 	 *
471bd8e0aeeSOrion Hodson 	 * actual_rate [bps] = bytes / (time [s] * 4)
472bd8e0aeeSOrion Hodson 	 * actual_rate [bps] = (bytes * 1000000) / (time [us] * 4)
473bd8e0aeeSOrion Hodson 	 * actual_rate [Hz] = (bytes * 250000) / time [us]
474bd8e0aeeSOrion Hodson 	 */
4750225c5acSOrion Hodson 
476bd8e0aeeSOrion Hodson 	/* prepare */
477bd8e0aeeSOrion Hodson 	ociv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1);
478bd8e0aeeSOrion Hodson 	nciv = ociv;
479bd8e0aeeSOrion Hodson 	ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (u_int32_t)vtophys(ch->dtbl), 4);
4800225c5acSOrion Hodson 
481bd8e0aeeSOrion Hodson 	/* start */
482bd8e0aeeSOrion Hodson 	microtime(&t1);
483bd8e0aeeSOrion Hodson 	ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM, 1);
4840225c5acSOrion Hodson 
485bd8e0aeeSOrion Hodson 	/* wait */
486bd8e0aeeSOrion Hodson 	while (nciv == ociv) {
487bd8e0aeeSOrion Hodson 		microtime(&t2);
488bd8e0aeeSOrion Hodson 		if (t2.tv_sec - t1.tv_sec > 1)
489bd8e0aeeSOrion Hodson 			break;
490bd8e0aeeSOrion Hodson 		nciv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1);
491bd8e0aeeSOrion Hodson 	}
492bd8e0aeeSOrion Hodson 	microtime(&t2);
4930225c5acSOrion Hodson 
494bd8e0aeeSOrion Hodson 	/* stop */
495bd8e0aeeSOrion Hodson 	ich_wr(sc, ch->regbase + ICH_REG_X_CR, 0, 1);
496bd8e0aeeSOrion Hodson 
497bd8e0aeeSOrion Hodson 	/* reset */
498bd8e0aeeSOrion Hodson 	DELAY(100);
499bd8e0aeeSOrion Hodson 	ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1);
500bd8e0aeeSOrion Hodson 
501bd8e0aeeSOrion Hodson 	/* turn time delta into us */
502bd8e0aeeSOrion Hodson 	wait_us = ((t2.tv_sec - t1.tv_sec) * 1000000) + t2.tv_usec - t1.tv_usec;
503bd8e0aeeSOrion Hodson 
504bd8e0aeeSOrion Hodson 	if (nciv == ociv) {
505bd8e0aeeSOrion Hodson 		device_printf(sc->dev, "ac97 link rate calibration timed out after %d us\n", wait_us);
506bd8e0aeeSOrion Hodson 		return 0;
507bd8e0aeeSOrion Hodson 	}
508bd8e0aeeSOrion Hodson 
509bd8e0aeeSOrion Hodson 	actual_48k_rate = (bytes * 250000) / wait_us;
510bd8e0aeeSOrion Hodson 
511bd8e0aeeSOrion Hodson 	if (actual_48k_rate < 47500 || actual_48k_rate > 48500) {
5120225c5acSOrion Hodson 		sc->ac97rate = actual_48k_rate;
5130225c5acSOrion Hodson 	} else {
5140225c5acSOrion Hodson 		sc->ac97rate = 48000;
5150225c5acSOrion Hodson 	}
516faee2703SOrion Hodson 
517bd8e0aeeSOrion Hodson 	if (bootverbose || sc->ac97rate != 48000) {
518bd8e0aeeSOrion Hodson 		device_printf(sc->dev, "measured ac97 link rate at %d Hz", actual_48k_rate);
519bd8e0aeeSOrion Hodson 		if (sc->ac97rate != actual_48k_rate)
520bd8e0aeeSOrion Hodson 			printf(", will use %d Hz", sc->ac97rate);
521bd8e0aeeSOrion Hodson 	 	printf("\n");
522bd8e0aeeSOrion Hodson 	}
523faee2703SOrion Hodson 
5240225c5acSOrion Hodson 	return sc->ac97rate;
5250225c5acSOrion Hodson }
5260225c5acSOrion Hodson 
5270225c5acSOrion Hodson /* -------------------------------------------------------------------- */
52841a019c0SCameron Grant /* Probe and attach the card */
5291b6c76a2SCameron Grant 
53041a019c0SCameron Grant static void
53141a019c0SCameron Grant ich_setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error)
53241a019c0SCameron Grant {
53341a019c0SCameron Grant 	return;
53441a019c0SCameron Grant }
5351b6c76a2SCameron Grant 
5361b6c76a2SCameron Grant static int
5371b6c76a2SCameron Grant ich_init(struct sc_info *sc)
5381b6c76a2SCameron Grant {
5391b6c76a2SCameron Grant 	u_int32_t stat;
54041a019c0SCameron Grant 	int sz;
5411b6c76a2SCameron Grant 
54241a019c0SCameron Grant 	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD, 4);
5431b6c76a2SCameron Grant 	DELAY(600000);
54441a019c0SCameron Grant 	stat = ich_rd(sc, ICH_REG_GLOB_STA, 4);
54541a019c0SCameron Grant 
5461b6c76a2SCameron Grant 	if ((stat & ICH_GLOB_STA_PCR) == 0)
54741a019c0SCameron Grant 		return ENXIO;
54841a019c0SCameron Grant 
54941a019c0SCameron Grant 	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD | ICH_GLOB_CTL_PRES, 4);
55041a019c0SCameron Grant 
551fca71897SCameron Grant 	if (ich_resetchan(sc, 0) || ich_resetchan(sc, 1))
552fca71897SCameron Grant 		return ENXIO;
553fca71897SCameron Grant 	if (sc->hasmic && ich_resetchan(sc, 2))
55441a019c0SCameron Grant 		return ENXIO;
55541a019c0SCameron Grant 
55641a019c0SCameron Grant 	if (bus_dmamem_alloc(sc->dmat, (void **)&sc->dtbl, BUS_DMA_NOWAIT, &sc->dtmap))
55741a019c0SCameron Grant 		return ENOSPC;
55841a019c0SCameron Grant 
55941a019c0SCameron Grant 	sz = sizeof(struct ich_desc) * ICH_DTBL_LENGTH * 3;
56041a019c0SCameron Grant 	if (bus_dmamap_load(sc->dmat, sc->dtmap, sc->dtbl, sz, ich_setmap, NULL, 0)) {
56141a019c0SCameron Grant 		bus_dmamem_free(sc->dmat, (void **)&sc->dtbl, sc->dtmap);
56241a019c0SCameron Grant 		return ENOSPC;
56341a019c0SCameron Grant 	}
56441a019c0SCameron Grant 
5651b6c76a2SCameron Grant 	return 0;
5661b6c76a2SCameron Grant }
5671b6c76a2SCameron Grant 
5681b6c76a2SCameron Grant static int
5691b6c76a2SCameron Grant ich_pci_probe(device_t dev)
5701b6c76a2SCameron Grant {
57141a019c0SCameron Grant 	switch(pci_get_devid(dev)) {
57241a019c0SCameron Grant 	case 0x71958086:
57341a019c0SCameron Grant 		device_set_desc(dev, "Intel 443MX");
5741b6c76a2SCameron Grant 		return 0;
57541a019c0SCameron Grant 
57641a019c0SCameron Grant 	case 0x24158086:
57741a019c0SCameron Grant 		device_set_desc(dev, "Intel 82801AA (ICH)");
57841a019c0SCameron Grant 		return 0;
57941a019c0SCameron Grant 
58041a019c0SCameron Grant 	case 0x24258086:
581aaa3add4SPeter Wemm 		device_set_desc(dev, "Intel 82801AB (ICH)");
58241a019c0SCameron Grant 		return 0;
58341a019c0SCameron Grant 
58441a019c0SCameron Grant 	case 0x24458086:
58541a019c0SCameron Grant 		device_set_desc(dev, "Intel 82801BA (ICH2)");
58641a019c0SCameron Grant 		return 0;
58741a019c0SCameron Grant 
588aaa3add4SPeter Wemm 	case 0x24858086:
589aaa3add4SPeter Wemm 		device_set_desc(dev, "Intel 82801CA (ICH3)");
590aaa3add4SPeter Wemm 		return 0;
591aaa3add4SPeter Wemm 
59241a019c0SCameron Grant 	default:
5931b6c76a2SCameron Grant 		return ENXIO;
5941b6c76a2SCameron Grant 	}
59541a019c0SCameron Grant }
5961b6c76a2SCameron Grant 
5971b6c76a2SCameron Grant static int
5981b6c76a2SCameron Grant ich_pci_attach(device_t dev)
5991b6c76a2SCameron Grant {
6001b6c76a2SCameron Grant 	u_int32_t		data;
601eb5b9d0bSOrion Hodson 	u_int16_t		extcaps;
6021b6c76a2SCameron Grant 	struct sc_info 		*sc;
6031b6c76a2SCameron Grant 	char 			status[SND_STATUSLEN];
6041b6c76a2SCameron Grant 
6051b6c76a2SCameron Grant 	if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT)) == NULL) {
6061b6c76a2SCameron Grant 		device_printf(dev, "cannot allocate softc\n");
6071b6c76a2SCameron Grant 		return ENXIO;
6081b6c76a2SCameron Grant 	}
6091b6c76a2SCameron Grant 
6101b6c76a2SCameron Grant 	bzero(sc, sizeof(*sc));
6111b6c76a2SCameron Grant 	sc->dev = dev;
6121b6c76a2SCameron Grant 
6131b6c76a2SCameron Grant 	data = pci_read_config(dev, PCIR_COMMAND, 2);
6141b6c76a2SCameron Grant 	data |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN);
6151b6c76a2SCameron Grant 	pci_write_config(dev, PCIR_COMMAND, data, 2);
6161b6c76a2SCameron Grant 	data = pci_read_config(dev, PCIR_COMMAND, 2);
6171b6c76a2SCameron Grant 
6181b6c76a2SCameron Grant 	sc->nambarid = PCIR_NAMBAR;
6191b6c76a2SCameron Grant 	sc->nabmbarid = PCIR_NABMBAR;
62041a019c0SCameron Grant 	sc->nambar = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->nambarid, 0, ~0, 1, RF_ACTIVE);
62141a019c0SCameron Grant 	sc->nabmbar = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->nabmbarid, 0, ~0, 1, RF_ACTIVE);
62241a019c0SCameron Grant 
6231b6c76a2SCameron Grant 	if (!sc->nambar || !sc->nabmbar) {
6241b6c76a2SCameron Grant 		device_printf(dev, "unable to map IO port space\n");
6251b6c76a2SCameron Grant 		goto bad;
6261b6c76a2SCameron Grant 	}
62741a019c0SCameron Grant 
6281b6c76a2SCameron Grant 	sc->nambart = rman_get_bustag(sc->nambar);
6291b6c76a2SCameron Grant 	sc->nambarh = rman_get_bushandle(sc->nambar);
6301b6c76a2SCameron Grant 	sc->nabmbart = rman_get_bustag(sc->nabmbar);
6311b6c76a2SCameron Grant 	sc->nabmbarh = rman_get_bushandle(sc->nabmbar);
6321b6c76a2SCameron Grant 
633fca71897SCameron Grant 	sc->bufsz = pcm_getbuffersize(dev, 4096, ICH_DEFAULT_BUFSZ, ICH_MAX_BUFSZ);
6349924faf6SCameron Grant 	if (bus_dma_tag_create(NULL, 8, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
635fca71897SCameron Grant 			       NULL, NULL, sc->bufsz, 1, 0x3ffff, 0, &sc->dmat) != 0) {
6361b6c76a2SCameron Grant 		device_printf(dev, "unable to create dma tag\n");
6371b6c76a2SCameron Grant 		goto bad;
6381b6c76a2SCameron Grant 	}
6391b6c76a2SCameron Grant 
640bd8e0aeeSOrion Hodson 	sc->irqid = 0;
641bd8e0aeeSOrion Hodson 	sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
642bd8e0aeeSOrion Hodson 	if (!sc->irq || snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ich_intr, sc, &sc->ih)) {
643bd8e0aeeSOrion Hodson 		device_printf(dev, "unable to map interrupt\n");
644bd8e0aeeSOrion Hodson 		goto bad;
645bd8e0aeeSOrion Hodson 	}
646bd8e0aeeSOrion Hodson 
64741a019c0SCameron Grant 	if (ich_init(sc)) {
6481b6c76a2SCameron Grant 		device_printf(dev, "unable to initialize the card\n");
6491b6c76a2SCameron Grant 		goto bad;
6501b6c76a2SCameron Grant 	}
6511b6c76a2SCameron Grant 
6521b6c76a2SCameron Grant 	sc->codec = AC97_CREATE(dev, sc, ich_ac97);
6531b6c76a2SCameron Grant 	if (sc->codec == NULL)
6541b6c76a2SCameron Grant 		goto bad;
6551b6c76a2SCameron Grant 	mixer_init(dev, ac97_getmixerclass(), sc->codec);
65641a019c0SCameron Grant 
6571b6c76a2SCameron Grant 	/* check and set VRA function */
65821f30688SOrion Hodson 	extcaps = ac97_getextcaps(sc->codec);
659eb5b9d0bSOrion Hodson 	sc->hasvra = extcaps & AC97_EXTCAP_VRA;
660eb5b9d0bSOrion Hodson 	sc->hasvrm = extcaps & AC97_EXTCAP_VRM;
66121f30688SOrion Hodson 	sc->hasmic = extcaps & AC97_CAP_MICCHANNEL;
66221f30688SOrion Hodson 	ac97_setextmode(sc->codec, sc->hasvra | sc->hasvrm | sc->hasmic);
6631b6c76a2SCameron Grant 
66482ab7a3bSCameron Grant 	if (pcm_register(dev, sc, 1, sc->hasmic? 2 : 1))
6651b6c76a2SCameron Grant 		goto bad;
66641a019c0SCameron Grant 
667fca71897SCameron Grant 	pcm_addchan(dev, PCMDIR_PLAY, &ichchan_class, sc);		/* play */
668fca71897SCameron Grant 	pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc);		/* record */
669fca71897SCameron Grant 	if (sc->hasmic)
670fca71897SCameron Grant 		pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc);	/* record mic */
67141a019c0SCameron Grant 
67282ab7a3bSCameron Grant 	snprintf(status, SND_STATUSLEN, "at io 0x%lx, 0x%lx irq %ld bufsz %u",
67382ab7a3bSCameron Grant 		 rman_get_start(sc->nambar), rman_get_start(sc->nabmbar), rman_get_start(sc->irq), sc->bufsz);
67441a019c0SCameron Grant 
6751b6c76a2SCameron Grant 	pcm_setstatus(dev, status);
6761b6c76a2SCameron Grant 
6772ae4ee83SOrion Hodson 	ich_initsys(sc);
6780225c5acSOrion Hodson 	ich_calibrate(sc);
6792ae4ee83SOrion Hodson 
6801b6c76a2SCameron Grant 	return 0;
6811b6c76a2SCameron Grant 
6821b6c76a2SCameron Grant bad:
6831b6c76a2SCameron Grant 	if (sc->codec)
6841b6c76a2SCameron Grant 		ac97_destroy(sc->codec);
685bd8e0aeeSOrion Hodson 	if (sc->ih)
686bd8e0aeeSOrion Hodson 		bus_teardown_intr(dev, sc->irq, sc->ih);
687bd8e0aeeSOrion Hodson 	if (sc->irq)
688bd8e0aeeSOrion Hodson 		bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
6891b6c76a2SCameron Grant 	if (sc->nambar)
6901b6c76a2SCameron Grant 		bus_release_resource(dev, SYS_RES_IOPORT,
6911b6c76a2SCameron Grant 		    sc->nambarid, sc->nambar);
6921b6c76a2SCameron Grant 	if (sc->nabmbar)
6931b6c76a2SCameron Grant 		bus_release_resource(dev, SYS_RES_IOPORT,
6941b6c76a2SCameron Grant 		    sc->nabmbarid, sc->nabmbar);
6951b6c76a2SCameron Grant 	free(sc, M_DEVBUF);
6961b6c76a2SCameron Grant 	return ENXIO;
6971b6c76a2SCameron Grant }
6981b6c76a2SCameron Grant 
6991b6c76a2SCameron Grant static int
7001b6c76a2SCameron Grant ich_pci_detach(device_t dev)
7011b6c76a2SCameron Grant {
7021b6c76a2SCameron Grant 	struct sc_info *sc;
7031b6c76a2SCameron Grant 	int r;
7041b6c76a2SCameron Grant 
7051b6c76a2SCameron Grant 	r = pcm_unregister(dev);
7061b6c76a2SCameron Grant 	if (r)
7071b6c76a2SCameron Grant 		return r;
7081b6c76a2SCameron Grant 	sc = pcm_getdevinfo(dev);
7091b6c76a2SCameron Grant 
71041a019c0SCameron Grant 	bus_teardown_intr(dev, sc->irq, sc->ih);
71141a019c0SCameron Grant 	bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
7121b6c76a2SCameron Grant 	bus_release_resource(dev, SYS_RES_IOPORT, sc->nambarid, sc->nambar);
7131b6c76a2SCameron Grant 	bus_release_resource(dev, SYS_RES_IOPORT, sc->nabmbarid, sc->nabmbar);
7141b6c76a2SCameron Grant 	bus_dma_tag_destroy(sc->dmat);
7151b6c76a2SCameron Grant 	free(sc, M_DEVBUF);
7161b6c76a2SCameron Grant 	return 0;
7171b6c76a2SCameron Grant }
7181b6c76a2SCameron Grant 
7191b6c76a2SCameron Grant static int
720aaa16787SOrion Hodson ich_pci_suspend(device_t dev)
721aaa16787SOrion Hodson {
722aaa16787SOrion Hodson 	struct sc_info *sc;
723aaa16787SOrion Hodson 	int i;
724aaa16787SOrion Hodson 
725aaa16787SOrion Hodson 	sc = pcm_getdevinfo(dev);
726aaa16787SOrion Hodson 	for (i = 0 ; i < 3; i++) {
727aaa16787SOrion Hodson 		sc->ch[i].run_save = sc->ch[i].run;
728aaa16787SOrion Hodson 		if (sc->ch[i].run) {
729aaa16787SOrion Hodson 			ichchan_trigger(0, &sc->ch[i], PCMTRIG_ABORT);
730aaa16787SOrion Hodson 		}
731aaa16787SOrion Hodson 	}
732aaa16787SOrion Hodson 
733aaa16787SOrion Hodson 	/* ACLINK shut off */
734aaa16787SOrion Hodson 	ich_wr(sc,ICH_REG_GLOB_CNT, ICH_GLOB_CTL_SHUT, 4);
735aaa16787SOrion Hodson 	return 0;
736aaa16787SOrion Hodson }
737aaa16787SOrion Hodson 
738aaa16787SOrion Hodson static int
7391b6c76a2SCameron Grant ich_pci_resume(device_t dev)
7401b6c76a2SCameron Grant {
7411b6c76a2SCameron Grant 	struct sc_info *sc;
742aaa16787SOrion Hodson 	int i;
7431b6c76a2SCameron Grant 
7441b6c76a2SCameron Grant 	sc = pcm_getdevinfo(dev);
7451b6c76a2SCameron Grant 
7461b6c76a2SCameron Grant 	/* Reinit audio device */
7471b6c76a2SCameron Grant     	if (ich_init(sc) == -1) {
7481b6c76a2SCameron Grant 		device_printf(dev, "unable to reinitialize the card\n");
7491b6c76a2SCameron Grant 		return ENXIO;
7501b6c76a2SCameron Grant 	}
7511b6c76a2SCameron Grant 	/* Reinit mixer */
7521b6c76a2SCameron Grant     	if (mixer_reinit(dev) == -1) {
7531b6c76a2SCameron Grant 		device_printf(dev, "unable to reinitialize the mixer\n");
7541b6c76a2SCameron Grant 		return ENXIO;
7551b6c76a2SCameron Grant 	}
756aaa16787SOrion Hodson 	/* Re-start DMA engines */
757aaa16787SOrion Hodson 	for (i = 0 ; i < 3; i++) {
758aaa16787SOrion Hodson 		struct sc_chinfo *ch = &sc->ch[i];
759aaa16787SOrion Hodson 		if (sc->ch[i].run_save) {
760aaa16787SOrion Hodson 			ichchan_setblocksize(0, ch, ch->blksz);
761aaa16787SOrion Hodson 			ichchan_setspeed(0, ch, ch->spd);
762aaa16787SOrion Hodson 			ichchan_trigger(0, ch, PCMTRIG_START);
763aaa16787SOrion Hodson 		}
764aaa16787SOrion Hodson 	}
7651b6c76a2SCameron Grant 	return 0;
7661b6c76a2SCameron Grant }
7671b6c76a2SCameron Grant 
7681b6c76a2SCameron Grant static device_method_t ich_methods[] = {
7691b6c76a2SCameron Grant 	/* Device interface */
7701b6c76a2SCameron Grant 	DEVMETHOD(device_probe,		ich_pci_probe),
7711b6c76a2SCameron Grant 	DEVMETHOD(device_attach,	ich_pci_attach),
7721b6c76a2SCameron Grant 	DEVMETHOD(device_detach,	ich_pci_detach),
773aaa16787SOrion Hodson 	DEVMETHOD(device_suspend, 	ich_pci_suspend),
7741b6c76a2SCameron Grant 	DEVMETHOD(device_resume,	ich_pci_resume),
7751b6c76a2SCameron Grant 	{ 0, 0 }
7761b6c76a2SCameron Grant };
7771b6c76a2SCameron Grant 
7781b6c76a2SCameron Grant static driver_t ich_driver = {
7791b6c76a2SCameron Grant 	"pcm",
7801b6c76a2SCameron Grant 	ich_methods,
78167b1dce3SCameron Grant 	PCM_SOFTC_SIZE,
7821b6c76a2SCameron Grant };
7831b6c76a2SCameron Grant 
7841b6c76a2SCameron Grant DRIVER_MODULE(snd_ich, pci, ich_driver, pcm_devclass, 0, 0);
7851b6c76a2SCameron Grant MODULE_DEPEND(snd_ich, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
7861b6c76a2SCameron Grant MODULE_VERSION(snd_ich, 1);
787