xref: /freebsd/sys/dev/sound/pci/ich.c (revision bdfbdcec6a165c8edff78f3666f757173c56c954)
1098ca2bdSWarner Losh /*-
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 
3290cf0136SWarner Losh #include <dev/pci/pcireg.h>
3390cf0136SWarner Losh #include <dev/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
43a580b31aSAriff Abdullah #define ICH_MIN_BUFSZ		4096
44a580b31aSAriff Abdullah #define ICH_DEFAULT_BLKCNT	2
45a580b31aSAriff Abdullah #define ICH_MAX_BLKCNT		32
46a580b31aSAriff Abdullah #define ICH_MIN_BLKCNT		2
473419bf5aSAriff Abdullah #define ICH_MIN_BLKSZ		64
481b6c76a2SCameron Grant 
496a728ce5SAriff Abdullah #define INTEL_VENDORID	0x8086
506a728ce5SAriff Abdullah #define SIS_VENDORID	0x1039
516a728ce5SAriff Abdullah #define NVIDIA_VENDORID	0x10de
526a728ce5SAriff Abdullah #define AMD_VENDORID	0x1022
536a728ce5SAriff Abdullah 
546a728ce5SAriff Abdullah #define INTEL_82440MX	0x7195
556a728ce5SAriff Abdullah #define INTEL_82801AA	0x2415
566a728ce5SAriff Abdullah #define INTEL_82801AB	0x2425
576a728ce5SAriff Abdullah #define INTEL_82801BA	0x2445
586a728ce5SAriff Abdullah #define INTEL_82801CA	0x2485
596a728ce5SAriff Abdullah #define INTEL_82801DB	0x24c5	/* ICH4 needs special handling */
606a728ce5SAriff Abdullah #define INTEL_82801EB	0x24d5	/* ICH5 needs to be treated as ICH4 */
616a728ce5SAriff Abdullah #define INTEL_6300ESB	0x25a6	/* 6300ESB needs to be treated as ICH4 */
626a728ce5SAriff Abdullah #define INTEL_82801FB	0x266e	/* ICH6 needs to be treated as ICH4 */
636a728ce5SAriff Abdullah #define INTEL_82801GB	0x27de	/* ICH7 needs to be treated as ICH4 */
646a728ce5SAriff Abdullah #define SIS_7012	0x7012	/* SiS 7012 needs special handling */
656a728ce5SAriff Abdullah #define NVIDIA_NFORCE	0x01b1
666a728ce5SAriff Abdullah #define NVIDIA_NFORCE2	0x006a
676a728ce5SAriff Abdullah #define NVIDIA_NFORCE2_400	0x008a
686a728ce5SAriff Abdullah #define NVIDIA_NFORCE3	0x00da
696a728ce5SAriff Abdullah #define NVIDIA_NFORCE3_250	0x00ea
706a728ce5SAriff Abdullah #define NVIDIA_NFORCE4	0x0059
71facebb04SAriff Abdullah #define NVIDIA_NFORCE_410_MCP	0x026b
72dc9e52cfSAriff Abdullah #define NVIDIA_NFORCE4_MCP	0x003a
736a728ce5SAriff Abdullah #define AMD_768		0x7445
746a728ce5SAriff Abdullah #define AMD_8111	0x746d
756a728ce5SAriff Abdullah 
766a728ce5SAriff Abdullah #define ICH_LOCK(sc)		snd_mtxlock((sc)->ich_lock)
776a728ce5SAriff Abdullah #define ICH_UNLOCK(sc)		snd_mtxunlock((sc)->ich_lock)
786a728ce5SAriff Abdullah #define ICH_LOCK_ASSERT(sc)	snd_mtxassert((sc)->ich_lock)
796a728ce5SAriff Abdullah 
80a580b31aSAriff Abdullah #if 0
81a580b31aSAriff Abdullah #define ICH_DEBUG(stmt)		do {	\
82a580b31aSAriff Abdullah 	stmt				\
83a580b31aSAriff Abdullah } while(0)
84a580b31aSAriff Abdullah #else
853419bf5aSAriff Abdullah #define ICH_DEBUG(...)
86a580b31aSAriff Abdullah #endif
87a580b31aSAriff Abdullah 
883419bf5aSAriff Abdullah #define ICH_CALIBRATE_DONE	(1 << 0)
893419bf5aSAriff Abdullah #define ICH_IGNORE_PCR		(1 << 1)
903419bf5aSAriff Abdullah #define ICH_IGNORE_RESET	(1 << 2)
913419bf5aSAriff Abdullah #define ICH_FIXED_RATE		(1 << 3)
923419bf5aSAriff Abdullah #define ICH_DMA_NOCACHE		(1 << 4)
933419bf5aSAriff Abdullah #define ICH_HIGH_LATENCY	(1 << 5)
943419bf5aSAriff Abdullah 
956a728ce5SAriff Abdullah static const struct ich_type {
966a728ce5SAriff Abdullah         uint16_t	vendor;
976a728ce5SAriff Abdullah         uint16_t	devid;
986a728ce5SAriff Abdullah 	uint32_t	options;
996a728ce5SAriff Abdullah #define PROBE_LOW	0x01
1006a728ce5SAriff Abdullah         char		*name;
1016a728ce5SAriff Abdullah } ich_devs[] = {
1026a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82440MX,	0,
1036a728ce5SAriff Abdullah 		"Intel 440MX" },
1046a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801AA,	0,
1056a728ce5SAriff Abdullah 		"Intel ICH (82801AA)" },
1066a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801AB,	0,
1076a728ce5SAriff Abdullah 		"Intel ICH (82801AB)" },
1086a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801BA,	0,
1096a728ce5SAriff Abdullah 		"Intel ICH2 (82801BA)" },
1106a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801CA,	0,
1116a728ce5SAriff Abdullah 		"Intel ICH3 (82801CA)" },
1126a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801DB,	PROBE_LOW,
1136a728ce5SAriff Abdullah 		"Intel ICH4 (82801DB)" },
1146a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801EB,	PROBE_LOW,
1156a728ce5SAriff Abdullah 		"Intel ICH5 (82801EB)" },
1166a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_6300ESB,	PROBE_LOW,
1176a728ce5SAriff Abdullah 		"Intel 6300ESB" },
1186a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801FB,	PROBE_LOW,
1196a728ce5SAriff Abdullah 		"Intel ICH6 (82801FB)" },
1206a728ce5SAriff Abdullah 	{ INTEL_VENDORID,	INTEL_82801GB,	PROBE_LOW,
1216a728ce5SAriff Abdullah 		"Intel ICH7 (82801GB)" },
1226a728ce5SAriff Abdullah 	{ SIS_VENDORID,		SIS_7012,	0,
1236a728ce5SAriff Abdullah 		"SiS 7012" },
1246a728ce5SAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE,	0,
1256a728ce5SAriff Abdullah 		"nVidia nForce" },
1266a728ce5SAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE2,	0,
1276a728ce5SAriff Abdullah 		"nVidia nForce2" },
1286a728ce5SAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE2_400,	0,
1296a728ce5SAriff Abdullah 		"nVidia nForce2 400" },
1306a728ce5SAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE3,	0,
1316a728ce5SAriff Abdullah 		"nVidia nForce3" },
1326a728ce5SAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE3_250,	0,
1336a728ce5SAriff Abdullah 		"nVidia nForce3 250" },
1346a728ce5SAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE4,	0,
1356a728ce5SAriff Abdullah 		"nVidia nForce4" },
136facebb04SAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE_410_MCP,	0,
137facebb04SAriff Abdullah 		"nVidia nForce 410 MCP" },
138dc9e52cfSAriff Abdullah 	{ NVIDIA_VENDORID,	NVIDIA_NFORCE4_MCP,	0,
139dc9e52cfSAriff Abdullah 		"nVidia nForce 4 MCP" },
1406a728ce5SAriff Abdullah 	{ AMD_VENDORID,		AMD_768,	0,
1416a728ce5SAriff Abdullah 		"AMD-768" },
1426a728ce5SAriff Abdullah 	{ AMD_VENDORID,		AMD_8111,	0,
1436a728ce5SAriff Abdullah 		"AMD-8111" }
1446a728ce5SAriff Abdullah };
145472cd8b5SAlfred Perlstein 
1461b6c76a2SCameron Grant /* buffer descriptor */
1471b6c76a2SCameron Grant struct ich_desc {
148a580b31aSAriff Abdullah 	volatile uint32_t buffer;
149a580b31aSAriff Abdullah 	volatile uint32_t length;
1501b6c76a2SCameron Grant };
1511b6c76a2SCameron Grant 
1521b6c76a2SCameron Grant struct sc_info;
1531b6c76a2SCameron Grant 
1541b6c76a2SCameron Grant /* channel registers */
1551b6c76a2SCameron Grant struct sc_chinfo {
156a580b31aSAriff Abdullah 	uint32_t num:8, run:1, run_save:1;
157a580b31aSAriff Abdullah 	uint32_t blksz, blkcnt, spd;
158a580b31aSAriff Abdullah 	uint32_t regbase, spdreg;
159a580b31aSAriff Abdullah 	uint32_t imask;
160a580b31aSAriff Abdullah 	uint32_t civ;
16141a019c0SCameron Grant 
1621b6c76a2SCameron Grant 	struct snd_dbuf *buffer;
1631b6c76a2SCameron Grant 	struct pcm_channel *channel;
1641b6c76a2SCameron Grant 	struct sc_info *parent;
16541a019c0SCameron Grant 
16641a019c0SCameron Grant 	struct ich_desc *dtbl;
16738cc9942SOlivier Houchard 	bus_addr_t desc_addr;
1681b6c76a2SCameron Grant };
1691b6c76a2SCameron Grant 
1701b6c76a2SCameron Grant /* device private data */
1711b6c76a2SCameron Grant struct sc_info {
1721b6c76a2SCameron Grant 	device_t dev;
173fca71897SCameron Grant 	int hasvra, hasvrm, hasmic;
174a580b31aSAriff Abdullah 	unsigned int chnum, bufsz, blkcnt;
1753419bf5aSAriff Abdullah 	int sample_size, swap_reg;
1761b6c76a2SCameron Grant 
17741a019c0SCameron Grant 	struct resource *nambar, *nabmbar, *irq;
1784cca7f0aSOrion Hodson 	int regtype, nambarid, nabmbarid, irqid;
1791b6c76a2SCameron Grant 	bus_space_tag_t nambart, nabmbart;
1801b6c76a2SCameron Grant 	bus_space_handle_t nambarh, nabmbarh;
1813419bf5aSAriff Abdullah 	bus_dma_tag_t dmat, chan_dmat;
18241a019c0SCameron Grant 	bus_dmamap_t dtmap;
1831b6c76a2SCameron Grant 	void *ih;
1841b6c76a2SCameron Grant 
1851b6c76a2SCameron Grant 	struct ac97_info *codec;
18641a019c0SCameron Grant 	struct sc_chinfo ch[3];
1873419bf5aSAriff Abdullah 	int ac97rate;
18841a019c0SCameron Grant 	struct ich_desc *dtbl;
1893419bf5aSAriff Abdullah 	unsigned int dtbl_size;
19038cc9942SOlivier Houchard 	bus_addr_t desc_addr;
191f4df40b2SScott Long 	struct intr_config_hook	intrhook;
1926a728ce5SAriff Abdullah 	uint16_t vendor;
1936a728ce5SAriff Abdullah 	uint16_t devid;
194d0ddbe88SPyun YongHyeon 	uint32_t flags;
1956a728ce5SAriff Abdullah 	struct mtx *ich_lock;
1961b6c76a2SCameron Grant };
1971b6c76a2SCameron Grant 
1981b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
1991b6c76a2SCameron Grant 
200a580b31aSAriff Abdullah static uint32_t ich_fmt[] = {
2011b6c76a2SCameron Grant 	AFMT_STEREO | AFMT_S16_LE,
2021b6c76a2SCameron Grant 	0
2031b6c76a2SCameron Grant };
20441a019c0SCameron Grant static struct pcmchan_caps ich_vrcaps = {8000, 48000, ich_fmt, 0};
20541a019c0SCameron Grant static struct pcmchan_caps ich_caps = {48000, 48000, ich_fmt, 0};
2061b6c76a2SCameron Grant 
2071b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
2081b6c76a2SCameron Grant /* Hardware */
209a580b31aSAriff Abdullah static __inline uint32_t
2101b6c76a2SCameron Grant ich_rd(struct sc_info *sc, int regno, int size)
2111b6c76a2SCameron Grant {
2121b6c76a2SCameron Grant 	switch (size) {
2131b6c76a2SCameron Grant 	case 1:
214a580b31aSAriff Abdullah 		return (bus_space_read_1(sc->nabmbart, sc->nabmbarh, regno));
2151b6c76a2SCameron Grant 	case 2:
216a580b31aSAriff Abdullah 		return (bus_space_read_2(sc->nabmbart, sc->nabmbarh, regno));
2171b6c76a2SCameron Grant 	case 4:
218a580b31aSAriff Abdullah 		return (bus_space_read_4(sc->nabmbart, sc->nabmbarh, regno));
2191b6c76a2SCameron Grant 	default:
220a580b31aSAriff Abdullah 		return (0xffffffff);
2211b6c76a2SCameron Grant 	}
2221b6c76a2SCameron Grant }
2231b6c76a2SCameron Grant 
2246a728ce5SAriff Abdullah static __inline void
225a580b31aSAriff Abdullah ich_wr(struct sc_info *sc, int regno, uint32_t data, int size)
2261b6c76a2SCameron Grant {
2271b6c76a2SCameron Grant 	switch (size) {
2281b6c76a2SCameron Grant 	case 1:
22941a019c0SCameron Grant 		bus_space_write_1(sc->nabmbart, sc->nabmbarh, regno, data);
2301b6c76a2SCameron Grant 		break;
2311b6c76a2SCameron Grant 	case 2:
23241a019c0SCameron Grant 		bus_space_write_2(sc->nabmbart, sc->nabmbarh, regno, data);
2331b6c76a2SCameron Grant 		break;
2341b6c76a2SCameron Grant 	case 4:
23541a019c0SCameron Grant 		bus_space_write_4(sc->nabmbart, sc->nabmbarh, regno, data);
2361b6c76a2SCameron Grant 		break;
2371b6c76a2SCameron Grant 	}
2381b6c76a2SCameron Grant }
2391b6c76a2SCameron Grant 
2401b6c76a2SCameron Grant /* ac97 codec */
2411b6c76a2SCameron Grant static int
2421b6c76a2SCameron Grant ich_waitcd(void *devinfo)
2431b6c76a2SCameron Grant {
2441b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)devinfo;
245a580b31aSAriff Abdullah 	uint32_t data;
246a580b31aSAriff Abdullah 	int i;
24741a019c0SCameron Grant 
2481b6c76a2SCameron Grant 	for (i = 0; i < ICH_TIMEOUT; i++) {
24941a019c0SCameron Grant 		data = ich_rd(sc, ICH_REG_ACC_SEMA, 1);
2501b6c76a2SCameron Grant 		if ((data & 0x01) == 0)
251a580b31aSAriff Abdullah 			return (0);
252d0ddbe88SPyun YongHyeon 		DELAY(1);
2531b6c76a2SCameron Grant 	}
2543419bf5aSAriff Abdullah 	if ((sc->flags & ICH_IGNORE_PCR) != 0)
255d0ddbe88SPyun YongHyeon 		return (0);
2561b6c76a2SCameron Grant 	device_printf(sc->dev, "CODEC semaphore timeout\n");
257a580b31aSAriff Abdullah 	return (ETIMEDOUT);
2581b6c76a2SCameron Grant }
2591b6c76a2SCameron Grant 
2601b6c76a2SCameron Grant static int
2611b6c76a2SCameron Grant ich_rdcd(kobj_t obj, void *devinfo, int regno)
2621b6c76a2SCameron Grant {
2631b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)devinfo;
26441a019c0SCameron Grant 
2651b6c76a2SCameron Grant 	regno &= 0xff;
2661b6c76a2SCameron Grant 	ich_waitcd(sc);
26741a019c0SCameron Grant 
268a580b31aSAriff Abdullah 	return (bus_space_read_2(sc->nambart, sc->nambarh, regno));
2691b6c76a2SCameron Grant }
2701b6c76a2SCameron Grant 
2711b6c76a2SCameron Grant static int
272a580b31aSAriff Abdullah ich_wrcd(kobj_t obj, void *devinfo, int regno, uint16_t data)
2731b6c76a2SCameron Grant {
2741b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)devinfo;
27541a019c0SCameron Grant 
2761b6c76a2SCameron Grant 	regno &= 0xff;
2771b6c76a2SCameron Grant 	ich_waitcd(sc);
27841a019c0SCameron Grant 	bus_space_write_2(sc->nambart, sc->nambarh, regno, data);
27941a019c0SCameron Grant 
280a580b31aSAriff Abdullah 	return (0);
2811b6c76a2SCameron Grant }
2821b6c76a2SCameron Grant 
2831b6c76a2SCameron Grant static kobj_method_t ich_ac97_methods[] = {
2841b6c76a2SCameron Grant 	KOBJMETHOD(ac97_read,		ich_rdcd),
2851b6c76a2SCameron Grant 	KOBJMETHOD(ac97_write,		ich_wrcd),
2861b6c76a2SCameron Grant 	{ 0, 0 }
2871b6c76a2SCameron Grant };
2881b6c76a2SCameron Grant AC97_DECLARE(ich_ac97);
2891b6c76a2SCameron Grant 
2901b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
29141a019c0SCameron Grant /* common routines */
2921b6c76a2SCameron Grant 
2931b6c76a2SCameron Grant static void
29441a019c0SCameron Grant ich_filldtbl(struct sc_chinfo *ch)
2951b6c76a2SCameron Grant {
2966a728ce5SAriff Abdullah 	struct sc_info *sc = ch->parent;
297a580b31aSAriff Abdullah 	uint32_t base;
2989924faf6SCameron Grant 	int i;
2991b6c76a2SCameron Grant 
30038cc9942SOlivier Houchard 	base = sndbuf_getbufaddr(ch->buffer);
301a580b31aSAriff Abdullah 	if ((ch->blksz * ch->blkcnt) > sndbuf_getmaxsize(ch->buffer))
302a580b31aSAriff Abdullah 		ch->blksz = sndbuf_getmaxsize(ch->buffer) / ch->blkcnt;
303a580b31aSAriff Abdullah 	if ((sndbuf_getblksz(ch->buffer) != ch->blksz ||
304a580b31aSAriff Abdullah 	    sndbuf_getblkcnt(ch->buffer) != ch->blkcnt) &&
305a580b31aSAriff Abdullah 	    sndbuf_resize(ch->buffer, ch->blkcnt, ch->blksz) != 0)
306a580b31aSAriff Abdullah 		device_printf(sc->dev, "%s: failed blksz=%u blkcnt=%u\n",
307a580b31aSAriff Abdullah 		    __func__, ch->blksz, ch->blkcnt);
3086a728ce5SAriff Abdullah 	ch->blksz = sndbuf_getblksz(ch->buffer);
30941a019c0SCameron Grant 
31041a019c0SCameron Grant 	for (i = 0; i < ICH_DTBL_LENGTH; i++) {
3119924faf6SCameron Grant 		ch->dtbl[i].buffer = base + (ch->blksz * (i % ch->blkcnt));
312472cd8b5SAlfred Perlstein 		ch->dtbl[i].length = ICH_BDC_IOC
313472cd8b5SAlfred Perlstein 				   | (ch->blksz / ch->parent->sample_size);
3141b6c76a2SCameron Grant 	}
3151b6c76a2SCameron Grant }
3161b6c76a2SCameron Grant 
3171b6c76a2SCameron Grant static int
31841a019c0SCameron Grant ich_resetchan(struct sc_info *sc, int num)
3191b6c76a2SCameron Grant {
32041a019c0SCameron Grant 	int i, cr, regbase;
3211b6c76a2SCameron Grant 
32241a019c0SCameron Grant 	if (num == 0)
32341a019c0SCameron Grant 		regbase = ICH_REG_PO_BASE;
32441a019c0SCameron Grant 	else if (num == 1)
32541a019c0SCameron Grant 		regbase = ICH_REG_PI_BASE;
32641a019c0SCameron Grant 	else if (num == 2)
32741a019c0SCameron Grant 		regbase = ICH_REG_MC_BASE;
3281b6c76a2SCameron Grant 	else
329a580b31aSAriff Abdullah 		return (ENXIO);
3301b6c76a2SCameron Grant 
33141a019c0SCameron Grant 	ich_wr(sc, regbase + ICH_REG_X_CR, 0, 1);
332dcbde453SAlexander Leidinger #if 1
333dcbde453SAlexander Leidinger 	/* This may result in no sound output on NForce 2 MBs, see PR 73987 */
33441a019c0SCameron Grant 	DELAY(100);
335dcbde453SAlexander Leidinger #else
336dcbde453SAlexander Leidinger 	(void)ich_rd(sc, regbase + ICH_REG_X_CR, 1);
337dcbde453SAlexander Leidinger #endif
33841a019c0SCameron Grant 	ich_wr(sc, regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1);
3391b6c76a2SCameron Grant 	for (i = 0; i < ICH_TIMEOUT; i++) {
34041a019c0SCameron Grant 		cr = ich_rd(sc, regbase + ICH_REG_X_CR, 1);
3411b6c76a2SCameron Grant 		if (cr == 0)
342a580b31aSAriff Abdullah 			return (0);
3433419bf5aSAriff Abdullah 		DELAY(1);
3441b6c76a2SCameron Grant 	}
3451b6c76a2SCameron Grant 
3463419bf5aSAriff Abdullah 	if (sc->flags & ICH_IGNORE_RESET)
3473419bf5aSAriff Abdullah 		return (0);
3483419bf5aSAriff Abdullah #if 0
3493419bf5aSAriff Abdullah 	else if (sc->vendor == NVIDIA_VENDORID) {
3503419bf5aSAriff Abdullah 	    	sc->flags |= ICH_IGNORE_RESET;
3513419bf5aSAriff Abdullah 		device_printf(sc->dev, "ignoring reset failure!\n");
3523419bf5aSAriff Abdullah 		return (0);
3533419bf5aSAriff Abdullah 	}
3543419bf5aSAriff Abdullah #endif
3553419bf5aSAriff Abdullah 
35641a019c0SCameron Grant 	device_printf(sc->dev, "cannot reset channel %d\n", num);
357a580b31aSAriff Abdullah 	return (ENXIO);
3581b6c76a2SCameron Grant }
3591b6c76a2SCameron Grant 
3601b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
36141a019c0SCameron Grant /* channel interface */
3621b6c76a2SCameron Grant 
3631b6c76a2SCameron Grant static void *
36441a019c0SCameron Grant ichchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
3651b6c76a2SCameron Grant {
3661b6c76a2SCameron Grant 	struct sc_info *sc = devinfo;
3671b6c76a2SCameron Grant 	struct sc_chinfo *ch;
368fca71897SCameron Grant 	unsigned int num;
3691b6c76a2SCameron Grant 
3706a728ce5SAriff Abdullah 	ICH_LOCK(sc);
37141a019c0SCameron Grant 	num = sc->chnum++;
37241a019c0SCameron Grant 	ch = &sc->ch[num];
37341a019c0SCameron Grant 	ch->num = num;
3741b6c76a2SCameron Grant 	ch->buffer = b;
3751b6c76a2SCameron Grant 	ch->channel = c;
3761b6c76a2SCameron Grant 	ch->parent = sc;
3771b6c76a2SCameron Grant 	ch->run = 0;
37841a019c0SCameron Grant 	ch->dtbl = sc->dtbl + (ch->num * ICH_DTBL_LENGTH);
3793419bf5aSAriff Abdullah 	ch->desc_addr = sc->desc_addr +
3803419bf5aSAriff Abdullah 	    (ch->num * ICH_DTBL_LENGTH * sizeof(struct ich_desc));
381a580b31aSAriff Abdullah 	ch->blkcnt = sc->blkcnt;
382fca71897SCameron Grant 	ch->blksz = sc->bufsz / ch->blkcnt;
38341a019c0SCameron Grant 
38441a019c0SCameron Grant 	switch(ch->num) {
38541a019c0SCameron Grant 	case 0: /* play */
38641a019c0SCameron Grant 		KASSERT(dir == PCMDIR_PLAY, ("wrong direction"));
38741a019c0SCameron Grant 		ch->regbase = ICH_REG_PO_BASE;
388a580b31aSAriff Abdullah 		ch->spdreg = (sc->hasvra) ? AC97_REGEXT_FDACRATE : 0;
38923d21797SOrion Hodson 		ch->imask = ICH_GLOB_STA_POINT;
39041a019c0SCameron Grant 		break;
39141a019c0SCameron Grant 
3929924faf6SCameron Grant 	case 1: /* record */
39341a019c0SCameron Grant 		KASSERT(dir == PCMDIR_REC, ("wrong direction"));
39441a019c0SCameron Grant 		ch->regbase = ICH_REG_PI_BASE;
395a580b31aSAriff Abdullah 		ch->spdreg = (sc->hasvra) ? AC97_REGEXT_LADCRATE : 0;
39623d21797SOrion Hodson 		ch->imask = ICH_GLOB_STA_PIINT;
39741a019c0SCameron Grant 		break;
39841a019c0SCameron Grant 
3999924faf6SCameron Grant 	case 2: /* mic */
4009924faf6SCameron Grant 		KASSERT(dir == PCMDIR_REC, ("wrong direction"));
4019924faf6SCameron Grant 		ch->regbase = ICH_REG_MC_BASE;
402a580b31aSAriff Abdullah 		ch->spdreg = (sc->hasvrm) ? AC97_REGEXT_MADCRATE : 0;
40323d21797SOrion Hodson 		ch->imask = ICH_GLOB_STA_MINT;
4049924faf6SCameron Grant 		break;
4059924faf6SCameron Grant 
40641a019c0SCameron Grant 	default:
407a580b31aSAriff Abdullah 		return (NULL);
4081b6c76a2SCameron Grant 	}
40941a019c0SCameron Grant 
4103419bf5aSAriff Abdullah 	if (sc->flags & ICH_FIXED_RATE)
411a580b31aSAriff Abdullah 		ch->spdreg = 0;
412a580b31aSAriff Abdullah 
4136a728ce5SAriff Abdullah 	ICH_UNLOCK(sc);
4143419bf5aSAriff Abdullah 	if (sndbuf_alloc(ch->buffer, sc->chan_dmat,
4153419bf5aSAriff Abdullah 	    ((sc->flags & ICH_DMA_NOCACHE) ? BUS_DMA_NOCACHE : 0),
4163419bf5aSAriff Abdullah 	    sc->bufsz) != 0)
417a580b31aSAriff Abdullah 		return (NULL);
41841a019c0SCameron Grant 
4196a728ce5SAriff Abdullah 	ICH_LOCK(sc);
420a580b31aSAriff Abdullah 	ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4);
4216a728ce5SAriff Abdullah 	ICH_UNLOCK(sc);
42241a019c0SCameron Grant 
423a580b31aSAriff Abdullah 	return (ch);
4241b6c76a2SCameron Grant }
4251b6c76a2SCameron Grant 
4261b6c76a2SCameron Grant static int
427a580b31aSAriff Abdullah ichchan_setformat(kobj_t obj, void *data, uint32_t format)
4281b6c76a2SCameron Grant {
429a580b31aSAriff Abdullah 
430a580b31aSAriff Abdullah 	ICH_DEBUG(
431a580b31aSAriff Abdullah 		struct sc_chinfo *ch = data;
432a580b31aSAriff Abdullah 		struct sc_info *sc = ch->parent;
4333419bf5aSAriff Abdullah 		if (!(sc->flags & ICH_CALIBRATE_DONE))
434a580b31aSAriff Abdullah 			device_printf(sc->dev,
435a580b31aSAriff Abdullah 			    "WARNING: %s() called before calibration!\n",
436a580b31aSAriff Abdullah 			    __func__);
437a580b31aSAriff Abdullah 	);
438a580b31aSAriff Abdullah 
439a580b31aSAriff Abdullah 	return (0);
4401b6c76a2SCameron Grant }
4411b6c76a2SCameron Grant 
4421b6c76a2SCameron Grant static int
443a580b31aSAriff Abdullah ichchan_setspeed(kobj_t obj, void *data, uint32_t speed)
4441b6c76a2SCameron Grant {
4451b6c76a2SCameron Grant 	struct sc_chinfo *ch = data;
4461b6c76a2SCameron Grant 	struct sc_info *sc = ch->parent;
44741a019c0SCameron Grant 
448a580b31aSAriff Abdullah 	ICH_DEBUG(
4493419bf5aSAriff Abdullah 		if (!(sc->flags & ICH_CALIBRATE_DONE))
450a580b31aSAriff Abdullah 			device_printf(sc->dev,
451a580b31aSAriff Abdullah 			    "WARNING: %s() called before calibration!\n",
452a580b31aSAriff Abdullah 			    __func__);
453a580b31aSAriff Abdullah 	);
454a580b31aSAriff Abdullah 
4552ae4ee83SOrion Hodson 	if (ch->spdreg) {
4566a728ce5SAriff Abdullah 		int r, ac97rate;
4576a728ce5SAriff Abdullah 
4586a728ce5SAriff Abdullah 		ICH_LOCK(sc);
4592ae4ee83SOrion Hodson 		if (sc->ac97rate <= 32000 || sc->ac97rate >= 64000)
4602ae4ee83SOrion Hodson 			sc->ac97rate = 48000;
4616a728ce5SAriff Abdullah 		ac97rate = sc->ac97rate;
4626a728ce5SAriff Abdullah 		ICH_UNLOCK(sc);
4636a728ce5SAriff Abdullah 		r = (speed * 48000) / ac97rate;
464fcd47847SJohn Hay 		/*
465a580b31aSAriff Abdullah 		 * Cast the return value of ac97_setrate() to uint64 so that
466fcd47847SJohn Hay 		 * the math don't overflow into the negative range.
467fcd47847SJohn Hay 		 */
468a580b31aSAriff Abdullah 		ch->spd = ((uint64_t)ac97_setrate(sc->codec, ch->spdreg, r) *
4696a728ce5SAriff Abdullah 				ac97rate) / 48000;
4702ae4ee83SOrion Hodson 	} else {
471aaa16787SOrion Hodson 		ch->spd = 48000;
47241a019c0SCameron Grant 	}
473a580b31aSAriff Abdullah 	return (ch->spd);
4742ae4ee83SOrion Hodson }
47541a019c0SCameron Grant 
47641a019c0SCameron Grant static int
477a580b31aSAriff Abdullah ichchan_setblocksize(kobj_t obj, void *data, uint32_t blocksize)
47841a019c0SCameron Grant {
47941a019c0SCameron Grant 	struct sc_chinfo *ch = data;
48041a019c0SCameron Grant 	struct sc_info *sc = ch->parent;
48141a019c0SCameron Grant 
482a580b31aSAriff Abdullah 	ICH_DEBUG(
4833419bf5aSAriff Abdullah 		if (!(sc->flags & ICH_CALIBRATE_DONE))
484a580b31aSAriff Abdullah 			device_printf(sc->dev,
485a580b31aSAriff Abdullah 			    "WARNING: %s() called before calibration!\n",
486a580b31aSAriff Abdullah 			    __func__);
487a580b31aSAriff Abdullah 	);
488a580b31aSAriff Abdullah 
4893419bf5aSAriff Abdullah 	if (sc->flags & ICH_HIGH_LATENCY)
4903419bf5aSAriff Abdullah 		blocksize = sndbuf_getmaxsize(ch->buffer) / ch->blkcnt;
4913419bf5aSAriff Abdullah 
4923419bf5aSAriff Abdullah 	if (blocksize < ICH_MIN_BLKSZ)
4933419bf5aSAriff Abdullah 		blocksize = ICH_MIN_BLKSZ;
4943419bf5aSAriff Abdullah 	blocksize &= ~(ICH_MIN_BLKSZ - 1);
49541a019c0SCameron Grant 	ch->blksz = blocksize;
49641a019c0SCameron Grant 	ich_filldtbl(ch);
4976a728ce5SAriff Abdullah 	ICH_LOCK(sc);
4989924faf6SCameron Grant 	ich_wr(sc, ch->regbase + ICH_REG_X_LVI, ch->blkcnt - 1, 1);
4996a728ce5SAriff Abdullah 	ICH_UNLOCK(sc);
50041a019c0SCameron Grant 
501a580b31aSAriff Abdullah 	return (ch->blksz);
50241a019c0SCameron Grant }
50341a019c0SCameron Grant 
50441a019c0SCameron Grant static int
50541a019c0SCameron Grant ichchan_trigger(kobj_t obj, void *data, int go)
50641a019c0SCameron Grant {
50741a019c0SCameron Grant 	struct sc_chinfo *ch = data;
50841a019c0SCameron Grant 	struct sc_info *sc = ch->parent;
5091b6c76a2SCameron Grant 
510a580b31aSAriff Abdullah 	ICH_DEBUG(
5113419bf5aSAriff Abdullah 		if (!(sc->flags & ICH_CALIBRATE_DONE))
512a580b31aSAriff Abdullah 			device_printf(sc->dev,
513a580b31aSAriff Abdullah 			    "WARNING: %s() called before calibration!\n",
514a580b31aSAriff Abdullah 			    __func__);
515a580b31aSAriff Abdullah 	);
516a580b31aSAriff Abdullah 
5171b6c76a2SCameron Grant 	switch (go) {
5181b6c76a2SCameron Grant 	case PCMTRIG_START:
5191b6c76a2SCameron Grant 		ch->run = 1;
5206a728ce5SAriff Abdullah 		ICH_LOCK(sc);
521a580b31aSAriff Abdullah 		ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4);
522bd8e0aeeSOrion Hodson 		ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM | ICH_X_CR_LVBIE | ICH_X_CR_IOCE, 1);
5236a728ce5SAriff Abdullah 		ICH_UNLOCK(sc);
5241b6c76a2SCameron Grant 		break;
525bdfbdcecSAriff Abdullah 	case PCMTRIG_STOP:
5261b6c76a2SCameron Grant 	case PCMTRIG_ABORT:
5276a728ce5SAriff Abdullah 		ICH_LOCK(sc);
52841a019c0SCameron Grant 		ich_resetchan(sc, ch->num);
5296a728ce5SAriff Abdullah 		ICH_UNLOCK(sc);
5301b6c76a2SCameron Grant 		ch->run = 0;
5311b6c76a2SCameron Grant 		break;
532bdfbdcecSAriff Abdullah 	default:
533bdfbdcecSAriff Abdullah 		break;
5341b6c76a2SCameron Grant 	}
535a580b31aSAriff Abdullah 	return (0);
5361b6c76a2SCameron Grant }
5371b6c76a2SCameron Grant 
5381b6c76a2SCameron Grant static int
53941a019c0SCameron Grant ichchan_getptr(kobj_t obj, void *data)
5401b6c76a2SCameron Grant {
5411b6c76a2SCameron Grant 	struct sc_chinfo *ch = data;
5421b6c76a2SCameron Grant 	struct sc_info *sc = ch->parent;
543a580b31aSAriff Abdullah       	uint32_t pos;
544a580b31aSAriff Abdullah 
545a580b31aSAriff Abdullah 	ICH_DEBUG(
5463419bf5aSAriff Abdullah 		if (!(sc->flags & ICH_CALIBRATE_DONE))
547a580b31aSAriff Abdullah 			device_printf(sc->dev,
548a580b31aSAriff Abdullah 			    "WARNING: %s() called before calibration!\n",
549a580b31aSAriff Abdullah 			    __func__);
550a580b31aSAriff Abdullah 	);
5511b6c76a2SCameron Grant 
5526a728ce5SAriff Abdullah 	ICH_LOCK(sc);
5539924faf6SCameron Grant 	ch->civ = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1) % ch->blkcnt;
5546a728ce5SAriff Abdullah 	ICH_UNLOCK(sc);
55541a019c0SCameron Grant 
5569924faf6SCameron Grant 	pos = ch->civ * ch->blksz;
55741a019c0SCameron Grant 
558a580b31aSAriff Abdullah 	return (pos);
5591b6c76a2SCameron Grant }
5601b6c76a2SCameron Grant 
5611b6c76a2SCameron Grant static struct pcmchan_caps *
56241a019c0SCameron Grant ichchan_getcaps(kobj_t obj, void *data)
5631b6c76a2SCameron Grant {
56441a019c0SCameron Grant 	struct sc_chinfo *ch = data;
56541a019c0SCameron Grant 
566a580b31aSAriff Abdullah 	ICH_DEBUG(
567a580b31aSAriff Abdullah 		struct sc_info *sc = ch->parent;
568a580b31aSAriff Abdullah 
5693419bf5aSAriff Abdullah 		if (!(sc->flags & ICH_CALIBRATE_DONE))
570a580b31aSAriff Abdullah 			device_printf(ch->parent->dev,
571a580b31aSAriff Abdullah 			    "WARNING: %s() called before calibration!\n",
572a580b31aSAriff Abdullah 			    __func__);
573a580b31aSAriff Abdullah 	);
574a580b31aSAriff Abdullah 
575a580b31aSAriff Abdullah 	return ((ch->spdreg) ? &ich_vrcaps : &ich_caps);
5761b6c76a2SCameron Grant }
5771b6c76a2SCameron Grant 
57841a019c0SCameron Grant static kobj_method_t ichchan_methods[] = {
57941a019c0SCameron Grant 	KOBJMETHOD(channel_init,		ichchan_init),
58041a019c0SCameron Grant 	KOBJMETHOD(channel_setformat,		ichchan_setformat),
58141a019c0SCameron Grant 	KOBJMETHOD(channel_setspeed,		ichchan_setspeed),
58241a019c0SCameron Grant 	KOBJMETHOD(channel_setblocksize,	ichchan_setblocksize),
58341a019c0SCameron Grant 	KOBJMETHOD(channel_trigger,		ichchan_trigger),
58441a019c0SCameron Grant 	KOBJMETHOD(channel_getptr,		ichchan_getptr),
58541a019c0SCameron Grant 	KOBJMETHOD(channel_getcaps,		ichchan_getcaps),
5861b6c76a2SCameron Grant 	{ 0, 0 }
5871b6c76a2SCameron Grant };
58841a019c0SCameron Grant CHANNEL_DECLARE(ichchan);
5891b6c76a2SCameron Grant 
5901b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
5911b6c76a2SCameron Grant /* The interrupt handler */
59241a019c0SCameron Grant 
5931b6c76a2SCameron Grant static void
5941b6c76a2SCameron Grant ich_intr(void *p)
5951b6c76a2SCameron Grant {
5961b6c76a2SCameron Grant 	struct sc_info *sc = (struct sc_info *)p;
5971b6c76a2SCameron Grant 	struct sc_chinfo *ch;
598a580b31aSAriff Abdullah 	uint32_t cbi, lbi, lvi, st, gs;
59941a019c0SCameron Grant 	int i;
6001b6c76a2SCameron Grant 
6016a728ce5SAriff Abdullah 	ICH_LOCK(sc);
602a580b31aSAriff Abdullah 
603a580b31aSAriff Abdullah 	ICH_DEBUG(
6043419bf5aSAriff Abdullah 		if (!(sc->flags & ICH_CALIBRATE_DONE))
605a580b31aSAriff Abdullah 			device_printf(sc->dev,
606a580b31aSAriff Abdullah 			    "WARNING: %s() called before calibration!\n",
607a580b31aSAriff Abdullah 			    __func__);
608a580b31aSAriff Abdullah 	);
609a580b31aSAriff Abdullah 
610df6ee7b7SOrion Hodson 	gs = ich_rd(sc, ICH_REG_GLOB_STA, 4) & ICH_GLOB_STA_IMASK;
61123d21797SOrion Hodson 	if (gs & (ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES)) {
61223d21797SOrion Hodson 		/* Clear resume interrupt(s) - nothing doing with them */
61323d21797SOrion Hodson 		ich_wr(sc, ICH_REG_GLOB_STA, gs, 4);
61423d21797SOrion Hodson 	}
61523d21797SOrion Hodson 	gs &= ~(ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES);
61623d21797SOrion Hodson 
61741a019c0SCameron Grant 	for (i = 0; i < 3; i++) {
61841a019c0SCameron Grant 		ch = &sc->ch[i];
61923d21797SOrion Hodson 		if ((ch->imask & gs) == 0)
62023d21797SOrion Hodson 			continue;
62123d21797SOrion Hodson 		gs &= ~ch->imask;
622472cd8b5SAlfred Perlstein 		st = ich_rd(sc, ch->regbase +
623a580b31aSAriff Abdullah 				((sc->swap_reg) ? ICH_REG_X_PICB : ICH_REG_X_SR),
624472cd8b5SAlfred Perlstein 			    2);
62541a019c0SCameron Grant 		st &= ICH_X_SR_FIFOE | ICH_X_SR_BCIS | ICH_X_SR_LVBCI;
6269924faf6SCameron Grant 		if (st & (ICH_X_SR_BCIS | ICH_X_SR_LVBCI)) {
62741a019c0SCameron Grant 				/* block complete - update buffer */
6286a728ce5SAriff Abdullah 			if (ch->run) {
6296a728ce5SAriff Abdullah 				ICH_UNLOCK(sc);
6301b6c76a2SCameron Grant 				chn_intr(ch->channel);
6316a728ce5SAriff Abdullah 				ICH_LOCK(sc);
6326a728ce5SAriff Abdullah 			}
63341a019c0SCameron Grant 			lvi = ich_rd(sc, ch->regbase + ICH_REG_X_LVI, 1);
6349924faf6SCameron Grant 			cbi = ch->civ % ch->blkcnt;
6359924faf6SCameron Grant 			if (cbi == 0)
6369924faf6SCameron Grant 				cbi = ch->blkcnt - 1;
6379924faf6SCameron Grant 			else
6389924faf6SCameron Grant 				cbi--;
6399924faf6SCameron Grant 			lbi = lvi % ch->blkcnt;
6409924faf6SCameron Grant 			if (cbi >= lbi)
6419924faf6SCameron Grant 				lvi += cbi - lbi;
6429924faf6SCameron Grant 			else
6439924faf6SCameron Grant 				lvi += cbi + ch->blkcnt - lbi;
64441a019c0SCameron Grant 			lvi %= ICH_DTBL_LENGTH;
64541a019c0SCameron Grant 			ich_wr(sc, ch->regbase + ICH_REG_X_LVI, lvi, 1);
64623d21797SOrion Hodson 
6471b6c76a2SCameron Grant 		}
6489924faf6SCameron Grant 		/* clear status bit */
649472cd8b5SAlfred Perlstein 		ich_wr(sc, ch->regbase +
650a580b31aSAriff Abdullah 			   ((sc->swap_reg) ? ICH_REG_X_PICB : ICH_REG_X_SR),
651472cd8b5SAlfred Perlstein 		       st, 2);
6521b6c76a2SCameron Grant 	}
6536a728ce5SAriff Abdullah 	ICH_UNLOCK(sc);
65423d21797SOrion Hodson 	if (gs != 0) {
65523d21797SOrion Hodson 		device_printf(sc->dev,
65623d21797SOrion Hodson 			      "Unhandled interrupt, gs_intr = %x\n", gs);
6571b6c76a2SCameron Grant 	}
6581b6c76a2SCameron Grant }
6591b6c76a2SCameron Grant 
6602ae4ee83SOrion Hodson /* ------------------------------------------------------------------------- */
661538b04e4SOrion Hodson /* Sysctl to control ac97 speed (some boards appear to end up using
662538b04e4SOrion Hodson  * XTAL_IN rather than BIT_CLK for link timing).
663538b04e4SOrion Hodson  */
6642ae4ee83SOrion Hodson 
6652ae4ee83SOrion Hodson static int
6662ae4ee83SOrion Hodson ich_initsys(struct sc_info* sc)
6672ae4ee83SOrion Hodson {
6682ae4ee83SOrion Hodson #ifdef SND_DYNSYSCTL
669851a904aSAlexander Leidinger 	/* XXX: this should move to a device specific sysctl "dev.pcm.X.yyy"
670851a904aSAlexander Leidinger 	   via device_get_sysctl_*() as discussed on multimedia@ in msg-id
671851a904aSAlexander Leidinger 	   <861wujij2q.fsf@xps.des.no> */
672a580b31aSAriff Abdullah 	SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->dev),
673a580b31aSAriff Abdullah 		       SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)),
6742ae4ee83SOrion Hodson 		       OID_AUTO, "ac97rate", CTLFLAG_RW,
6752ae4ee83SOrion Hodson 		       &sc->ac97rate, 48000,
6762ae4ee83SOrion Hodson 		       "AC97 link rate (default = 48000)");
6772ae4ee83SOrion Hodson #endif /* SND_DYNSYSCTL */
678a580b31aSAriff Abdullah 	return (0);
679a580b31aSAriff Abdullah }
680a580b31aSAriff Abdullah 
681a580b31aSAriff Abdullah static void
682a580b31aSAriff Abdullah ich_setstatus(struct sc_info *sc)
683a580b31aSAriff Abdullah {
684a580b31aSAriff Abdullah 	char status[SND_STATUSLEN];
685a580b31aSAriff Abdullah 
686a580b31aSAriff Abdullah 	snprintf(status, SND_STATUSLEN,
687a580b31aSAriff Abdullah 	    "at io 0x%lx, 0x%lx irq %ld bufsz %u %s",
688a580b31aSAriff Abdullah 	    rman_get_start(sc->nambar), rman_get_start(sc->nabmbar),
689a580b31aSAriff Abdullah 	    rman_get_start(sc->irq), sc->bufsz,PCM_KLDSTRING(snd_ich));
690a580b31aSAriff Abdullah 
6913419bf5aSAriff Abdullah 	if (bootverbose && (sc->flags & ICH_DMA_NOCACHE))
6923419bf5aSAriff Abdullah 		device_printf(sc->dev,
6933419bf5aSAriff Abdullah 		    "PCI Master abort workaround enabled\n");
6943419bf5aSAriff Abdullah 
695a580b31aSAriff Abdullah 	pcm_setstatus(sc->dev, status);
6962ae4ee83SOrion Hodson }
6972ae4ee83SOrion Hodson 
6981b6c76a2SCameron Grant /* -------------------------------------------------------------------- */
699538b04e4SOrion Hodson /* Calibrate card to determine the clock source.  The source maybe a
700538b04e4SOrion Hodson  * function of the ac97 codec initialization code (to be investigated).
701538b04e4SOrion Hodson  */
7020225c5acSOrion Hodson 
703a580b31aSAriff Abdullah static void
704a580b31aSAriff Abdullah ich_calibrate(void *arg)
7050225c5acSOrion Hodson {
706f4df40b2SScott Long 	struct sc_info *sc;
707f4df40b2SScott Long 	struct sc_chinfo *ch;
708bd8e0aeeSOrion Hodson 	struct timeval t1, t2;
709a580b31aSAriff Abdullah 	uint8_t ociv, nciv;
710a580b31aSAriff Abdullah 	uint32_t wait_us, actual_48k_rate, oblkcnt;
711bd8e0aeeSOrion Hodson 
712f4df40b2SScott Long 	sc = (struct sc_info *)arg;
713a580b31aSAriff Abdullah 	ICH_LOCK(sc);
714f4df40b2SScott Long 	ch = &sc->ch[1];
715f4df40b2SScott Long 
7163419bf5aSAriff Abdullah 	if (sc->intrhook.ich_func != NULL) {
717f4df40b2SScott Long 		config_intrhook_disestablish(&sc->intrhook);
7183419bf5aSAriff Abdullah 		sc->intrhook.ich_func = NULL;
7193419bf5aSAriff Abdullah 	}
720f4df40b2SScott Long 
721bd8e0aeeSOrion Hodson 	/*
722bd8e0aeeSOrion Hodson 	 * Grab audio from input for fixed interval and compare how
7230225c5acSOrion Hodson 	 * much we actually get with what we expect.  Interval needs
7240225c5acSOrion Hodson 	 * to be sufficiently short that no interrupts are
725bd8e0aeeSOrion Hodson 	 * generated.
726bd8e0aeeSOrion Hodson 	 */
7270225c5acSOrion Hodson 
7280225c5acSOrion Hodson 	KASSERT(ch->regbase == ICH_REG_PI_BASE, ("wrong direction"));
7290225c5acSOrion Hodson 
730a580b31aSAriff Abdullah 	oblkcnt = ch->blkcnt;
731a580b31aSAriff Abdullah 	ch->blkcnt = 2;
7323419bf5aSAriff Abdullah 	sc->flags |= ICH_CALIBRATE_DONE;
733a580b31aSAriff Abdullah 	ICH_UNLOCK(sc);
734a580b31aSAriff Abdullah 	ichchan_setblocksize(0, ch, sndbuf_getmaxsize(ch->buffer) >> 1);
735a580b31aSAriff Abdullah 	ICH_LOCK(sc);
7363419bf5aSAriff Abdullah 	sc->flags &= ~ICH_CALIBRATE_DONE;
7370225c5acSOrion Hodson 
738bd8e0aeeSOrion Hodson 	/*
739bd8e0aeeSOrion Hodson 	 * our data format is stereo, 16 bit so each sample is 4 bytes.
740bd8e0aeeSOrion Hodson 	 * assuming we get 48000 samples per second, we get 192000 bytes/sec.
741bd8e0aeeSOrion Hodson 	 * we're going to start recording with interrupts disabled and measure
742bd8e0aeeSOrion Hodson 	 * the time taken for one block to complete.  we know the block size,
743bd8e0aeeSOrion Hodson 	 * we know the time in microseconds, we calculate the sample rate:
744bd8e0aeeSOrion Hodson 	 *
745bd8e0aeeSOrion Hodson 	 * actual_rate [bps] = bytes / (time [s] * 4)
746bd8e0aeeSOrion Hodson 	 * actual_rate [bps] = (bytes * 1000000) / (time [us] * 4)
747bd8e0aeeSOrion Hodson 	 * actual_rate [Hz] = (bytes * 250000) / time [us]
748bd8e0aeeSOrion Hodson 	 */
7490225c5acSOrion Hodson 
750bd8e0aeeSOrion Hodson 	/* prepare */
751bd8e0aeeSOrion Hodson 	ociv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1);
752bd8e0aeeSOrion Hodson 	nciv = ociv;
753a580b31aSAriff Abdullah 	ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4);
7540225c5acSOrion Hodson 
755bd8e0aeeSOrion Hodson 	/* start */
756bd8e0aeeSOrion Hodson 	microtime(&t1);
757bd8e0aeeSOrion Hodson 	ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM, 1);
7580225c5acSOrion Hodson 
759bd8e0aeeSOrion Hodson 	/* wait */
760a580b31aSAriff Abdullah 	do {
761bd8e0aeeSOrion Hodson 		microtime(&t2);
762bd8e0aeeSOrion Hodson 		if (t2.tv_sec - t1.tv_sec > 1)
763bd8e0aeeSOrion Hodson 			break;
764bd8e0aeeSOrion Hodson 		nciv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1);
765a580b31aSAriff Abdullah 	} while (nciv == ociv);
7660225c5acSOrion Hodson 
767bd8e0aeeSOrion Hodson 	/* stop */
768bd8e0aeeSOrion Hodson 	ich_wr(sc, ch->regbase + ICH_REG_X_CR, 0, 1);
769bd8e0aeeSOrion Hodson 
770bd8e0aeeSOrion Hodson 	/* reset */
771bd8e0aeeSOrion Hodson 	DELAY(100);
772bd8e0aeeSOrion Hodson 	ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1);
773a580b31aSAriff Abdullah 	ch->blkcnt = oblkcnt;
774bd8e0aeeSOrion Hodson 
775bd8e0aeeSOrion Hodson 	/* turn time delta into us */
776bd8e0aeeSOrion Hodson 	wait_us = ((t2.tv_sec - t1.tv_sec) * 1000000) + t2.tv_usec - t1.tv_usec;
777bd8e0aeeSOrion Hodson 
778bd8e0aeeSOrion Hodson 	if (nciv == ociv) {
779bd8e0aeeSOrion Hodson 		device_printf(sc->dev, "ac97 link rate calibration timed out after %d us\n", wait_us);
7803419bf5aSAriff Abdullah 		sc->flags |= ICH_CALIBRATE_DONE;
781a580b31aSAriff Abdullah 		ICH_UNLOCK(sc);
782a580b31aSAriff Abdullah 		ich_setstatus(sc);
783f4df40b2SScott Long 		return;
784bd8e0aeeSOrion Hodson 	}
785bd8e0aeeSOrion Hodson 
786a580b31aSAriff Abdullah 	actual_48k_rate = ((uint64_t)ch->blksz * 250000) / wait_us;
787bd8e0aeeSOrion Hodson 
788bd8e0aeeSOrion Hodson 	if (actual_48k_rate < 47500 || actual_48k_rate > 48500) {
7890225c5acSOrion Hodson 		sc->ac97rate = actual_48k_rate;
7900225c5acSOrion Hodson 	} else {
7910225c5acSOrion Hodson 		sc->ac97rate = 48000;
7920225c5acSOrion Hodson 	}
793faee2703SOrion Hodson 
794bd8e0aeeSOrion Hodson 	if (bootverbose || sc->ac97rate != 48000) {
795bd8e0aeeSOrion Hodson 		device_printf(sc->dev, "measured ac97 link rate at %d Hz", actual_48k_rate);
796bd8e0aeeSOrion Hodson 		if (sc->ac97rate != actual_48k_rate)
797bd8e0aeeSOrion Hodson 			printf(", will use %d Hz", sc->ac97rate);
798bd8e0aeeSOrion Hodson 	 	printf("\n");
799bd8e0aeeSOrion Hodson 	}
8003419bf5aSAriff Abdullah 	sc->flags |= ICH_CALIBRATE_DONE;
801a580b31aSAriff Abdullah 	ICH_UNLOCK(sc);
802a580b31aSAriff Abdullah 
803a580b31aSAriff Abdullah 	ich_setstatus(sc);
804faee2703SOrion Hodson 
805f4df40b2SScott Long 	return;
8060225c5acSOrion Hodson }
8070225c5acSOrion Hodson 
8080225c5acSOrion Hodson /* -------------------------------------------------------------------- */
80941a019c0SCameron Grant /* Probe and attach the card */
8101b6c76a2SCameron Grant 
81141a019c0SCameron Grant static void
81241a019c0SCameron Grant ich_setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error)
81341a019c0SCameron Grant {
81438cc9942SOlivier Houchard 	struct sc_info *sc = (struct sc_info *)arg;
81538cc9942SOlivier Houchard 	sc->desc_addr = segs->ds_addr;
81641a019c0SCameron Grant 	return;
81741a019c0SCameron Grant }
8181b6c76a2SCameron Grant 
8191b6c76a2SCameron Grant static int
8201b6c76a2SCameron Grant ich_init(struct sc_info *sc)
8211b6c76a2SCameron Grant {
822a580b31aSAriff Abdullah 	uint32_t stat;
8231b6c76a2SCameron Grant 
82441a019c0SCameron Grant 	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD, 4);
8251b6c76a2SCameron Grant 	DELAY(600000);
82641a019c0SCameron Grant 	stat = ich_rd(sc, ICH_REG_GLOB_STA, 4);
82741a019c0SCameron Grant 
82814213e7dSOrion Hodson 	if ((stat & ICH_GLOB_STA_PCR) == 0) {
829e2df1783SCameron Grant 		/* ICH4/ICH5 may fail when busmastering is enabled. Continue */
8306a728ce5SAriff Abdullah 		if (sc->vendor == INTEL_VENDORID && (
8316a728ce5SAriff Abdullah 		    sc->devid == INTEL_82801DB || sc->devid == INTEL_82801EB ||
8326a728ce5SAriff Abdullah 		    sc->devid == INTEL_6300ESB || sc->devid == INTEL_82801FB ||
8336a728ce5SAriff Abdullah 		    sc->devid == INTEL_82801GB)) {
8343419bf5aSAriff Abdullah 			sc->flags |= ICH_IGNORE_PCR;
835d0ddbe88SPyun YongHyeon 			device_printf(sc->dev, "primary codec not ready!\n");
83614213e7dSOrion Hodson 		}
83714213e7dSOrion Hodson 	}
83841a019c0SCameron Grant 
8396d52c3bfSAriff Abdullah #if 0
84041a019c0SCameron Grant 	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD | ICH_GLOB_CTL_PRES, 4);
8416d52c3bfSAriff Abdullah #else
8426d52c3bfSAriff Abdullah 	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD, 4);
8436d52c3bfSAriff Abdullah #endif
84441a019c0SCameron Grant 
845fca71897SCameron Grant 	if (ich_resetchan(sc, 0) || ich_resetchan(sc, 1))
846a580b31aSAriff Abdullah 		return (ENXIO);
847fca71897SCameron Grant 	if (sc->hasmic && ich_resetchan(sc, 2))
848a580b31aSAriff Abdullah 		return (ENXIO);
84941a019c0SCameron Grant 
850a580b31aSAriff Abdullah 	return (0);
8511b6c76a2SCameron Grant }
8521b6c76a2SCameron Grant 
8531b6c76a2SCameron Grant static int
8541b6c76a2SCameron Grant ich_pci_probe(device_t dev)
8551b6c76a2SCameron Grant {
8566a728ce5SAriff Abdullah 	int i;
8576a728ce5SAriff Abdullah 	uint16_t devid, vendor;
85841a019c0SCameron Grant 
8596a728ce5SAriff Abdullah 	vendor = pci_get_vendor(dev);
8606a728ce5SAriff Abdullah 	devid = pci_get_device(dev);
8616a728ce5SAriff Abdullah 	for (i = 0; i < sizeof(ich_devs)/sizeof(ich_devs[0]); i++) {
8626a728ce5SAriff Abdullah 		if (vendor == ich_devs[i].vendor &&
8636a728ce5SAriff Abdullah 				devid == ich_devs[i].devid) {
8646a728ce5SAriff Abdullah 			device_set_desc(dev, ich_devs[i].name);
8656a728ce5SAriff Abdullah 			/* allow a better driver to override us */
8666a728ce5SAriff Abdullah 			if ((ich_devs[i].options & PROBE_LOW) != 0)
8676a728ce5SAriff Abdullah 				return (BUS_PROBE_LOW_PRIORITY);
8686a728ce5SAriff Abdullah 			return (BUS_PROBE_DEFAULT);
8691b6c76a2SCameron Grant 		}
87041a019c0SCameron Grant 	}
8716a728ce5SAriff Abdullah 	return (ENXIO);
8726a728ce5SAriff Abdullah }
8731b6c76a2SCameron Grant 
8741b6c76a2SCameron Grant static int
8751b6c76a2SCameron Grant ich_pci_attach(device_t dev)
8761b6c76a2SCameron Grant {
877c02b454dSAriff Abdullah 	uint32_t		subdev;
878a580b31aSAriff Abdullah 	uint16_t		extcaps;
8796a728ce5SAriff Abdullah 	uint16_t		devid, vendor;
8801b6c76a2SCameron Grant 	struct sc_info 		*sc;
881a580b31aSAriff Abdullah 	int			i;
8821b6c76a2SCameron Grant 
8836a728ce5SAriff Abdullah 	if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
8841b6c76a2SCameron Grant 		device_printf(dev, "cannot allocate softc\n");
885a580b31aSAriff Abdullah 		return (ENXIO);
8861b6c76a2SCameron Grant 	}
8871b6c76a2SCameron Grant 
8884582b3a1SAriff Abdullah 	sc->ich_lock = snd_mtxcreate(device_get_nameunit(dev), "snd_ich softc");
8891b6c76a2SCameron Grant 	sc->dev = dev;
8901b6c76a2SCameron Grant 
8916a728ce5SAriff Abdullah 	vendor = sc->vendor = pci_get_vendor(dev);
8926a728ce5SAriff Abdullah 	devid = sc->devid = pci_get_device(dev);
893c02b454dSAriff Abdullah 	subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
894472cd8b5SAlfred Perlstein 	/*
895472cd8b5SAlfred Perlstein 	 * The SiS 7012 register set isn't quite like the standard ich.
896472cd8b5SAlfred Perlstein 	 * There really should be a general "quirks" mechanism.
897472cd8b5SAlfred Perlstein 	 */
8986a728ce5SAriff Abdullah 	if (vendor == SIS_VENDORID && devid == SIS_7012) {
899472cd8b5SAlfred Perlstein 		sc->swap_reg = 1;
900472cd8b5SAlfred Perlstein 		sc->sample_size = 1;
901472cd8b5SAlfred Perlstein 	} else {
902472cd8b5SAlfred Perlstein 		sc->swap_reg = 0;
903472cd8b5SAlfred Perlstein 		sc->sample_size = 2;
904472cd8b5SAlfred Perlstein 	}
905472cd8b5SAlfred Perlstein 
90614213e7dSOrion Hodson 	/*
9073419bf5aSAriff Abdullah 	 * Intel 440MX Errata #36
9083419bf5aSAriff Abdullah 	 * - AC97 Soft Audio and Soft Modem Master Abort Errata
9093419bf5aSAriff Abdullah 	 *
9103419bf5aSAriff Abdullah 	 * http://www.intel.com/design/chipsets/specupdt/245051.htm
9113419bf5aSAriff Abdullah 	 */
9123419bf5aSAriff Abdullah 	if (vendor == INTEL_VENDORID && devid == INTEL_82440MX)
9133419bf5aSAriff Abdullah 		sc->flags |= ICH_DMA_NOCACHE;
9143419bf5aSAriff Abdullah 
9153419bf5aSAriff Abdullah 	/*
916d0ddbe88SPyun YongHyeon 	 * Enable bus master. On ich4/5 this may prevent the detection of
917d0ddbe88SPyun YongHyeon 	 * the primary codec becoming ready in ich_init().
918d0ddbe88SPyun YongHyeon 	 */
919d0ddbe88SPyun YongHyeon 	pci_enable_busmaster(dev);
920d0ddbe88SPyun YongHyeon 
921d0ddbe88SPyun YongHyeon 	/*
922236efae6SMathew Kanner 	 * By default, ich4 has NAMBAR and NABMBAR i/o spaces as
923236efae6SMathew Kanner 	 * read-only.  Need to enable "legacy support", by poking into
924236efae6SMathew Kanner 	 * pci config space.  The driver should use MMBAR and MBBAR,
925236efae6SMathew Kanner 	 * but doing so will mess things up here.  ich4 has enough new
926236efae6SMathew Kanner 	 * features it warrants it's own driver.
927236efae6SMathew Kanner 	 */
928d0ddbe88SPyun YongHyeon 	if (vendor == INTEL_VENDORID && (devid == INTEL_82801DB ||
929d0ddbe88SPyun YongHyeon 	    devid == INTEL_82801EB || devid == INTEL_6300ESB ||
930d0ddbe88SPyun YongHyeon 	    devid == INTEL_82801FB || devid == INTEL_82801GB)) {
9314cca7f0aSOrion Hodson 		sc->nambarid = PCIR_MMBAR;
9324cca7f0aSOrion Hodson 		sc->nabmbarid = PCIR_MBBAR;
9334cca7f0aSOrion Hodson 		sc->regtype = SYS_RES_MEMORY;
934d0ddbe88SPyun YongHyeon 		pci_write_config(dev, PCIR_ICH_LEGACY, ICH_LEGACY_ENABLE, 1);
9354cca7f0aSOrion Hodson 	} else {
9361b6c76a2SCameron Grant 		sc->nambarid = PCIR_NAMBAR;
9371b6c76a2SCameron Grant 		sc->nabmbarid = PCIR_NABMBAR;
9384cca7f0aSOrion Hodson 		sc->regtype = SYS_RES_IOPORT;
9394cca7f0aSOrion Hodson 	}
9404cca7f0aSOrion Hodson 
9415f96beb9SNate Lawson 	sc->nambar = bus_alloc_resource_any(dev, sc->regtype,
9425f96beb9SNate Lawson 		&sc->nambarid, RF_ACTIVE);
9435f96beb9SNate Lawson 	sc->nabmbar = bus_alloc_resource_any(dev, sc->regtype,
9445f96beb9SNate Lawson 		&sc->nabmbarid, RF_ACTIVE);
94541a019c0SCameron Grant 
9461b6c76a2SCameron Grant 	if (!sc->nambar || !sc->nabmbar) {
9471b6c76a2SCameron Grant 		device_printf(dev, "unable to map IO port space\n");
9481b6c76a2SCameron Grant 		goto bad;
9491b6c76a2SCameron Grant 	}
95041a019c0SCameron Grant 
9511b6c76a2SCameron Grant 	sc->nambart = rman_get_bustag(sc->nambar);
9521b6c76a2SCameron Grant 	sc->nambarh = rman_get_bushandle(sc->nambar);
9531b6c76a2SCameron Grant 	sc->nabmbart = rman_get_bustag(sc->nabmbar);
9541b6c76a2SCameron Grant 	sc->nabmbarh = rman_get_bushandle(sc->nabmbar);
9551b6c76a2SCameron Grant 
956a580b31aSAriff Abdullah 	sc->bufsz = pcm_getbuffersize(dev,
957a580b31aSAriff Abdullah 	    ICH_MIN_BUFSZ, ICH_DEFAULT_BUFSZ, ICH_MAX_BUFSZ);
958a580b31aSAriff Abdullah 
9593419bf5aSAriff Abdullah 	if (resource_int_value(device_get_name(dev),
9603419bf5aSAriff Abdullah 	    device_get_unit(dev), "blocksize", &i) == 0 && i > 0) {
961a580b31aSAriff Abdullah 		sc->blkcnt = sc->bufsz / i;
962a580b31aSAriff Abdullah 		i = 0;
963a580b31aSAriff Abdullah 		while (sc->blkcnt >> i)
964a580b31aSAriff Abdullah 			i++;
965a580b31aSAriff Abdullah 		sc->blkcnt = 1 << (i - 1);
966a580b31aSAriff Abdullah 		if (sc->blkcnt < ICH_MIN_BLKCNT)
967a580b31aSAriff Abdullah 			sc->blkcnt = ICH_MIN_BLKCNT;
968a580b31aSAriff Abdullah 		else if (sc->blkcnt > ICH_MAX_BLKCNT)
969a580b31aSAriff Abdullah 			sc->blkcnt = ICH_MAX_BLKCNT;
970a580b31aSAriff Abdullah 	} else
971a580b31aSAriff Abdullah 		sc->blkcnt = ICH_DEFAULT_BLKCNT;
972a580b31aSAriff Abdullah 
9733419bf5aSAriff Abdullah 	if (resource_int_value(device_get_name(dev),
9743419bf5aSAriff Abdullah 	    device_get_unit(dev), "highlatency", &i) == 0 && i != 0) {
9753419bf5aSAriff Abdullah 		sc->flags |= ICH_HIGH_LATENCY;
9763419bf5aSAriff Abdullah 		sc->blkcnt = ICH_MIN_BLKCNT;
9771b6c76a2SCameron Grant 	}
9781b6c76a2SCameron Grant 
9793419bf5aSAriff Abdullah 	if (resource_int_value(device_get_name(dev),
9803419bf5aSAriff Abdullah 	    device_get_unit(dev), "fixedrate", &i) == 0 && i != 0)
9813419bf5aSAriff Abdullah 		sc->flags |= ICH_FIXED_RATE;
9823419bf5aSAriff Abdullah 
983bd8e0aeeSOrion Hodson 	sc->irqid = 0;
9845f96beb9SNate Lawson 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
9855f96beb9SNate Lawson 	    RF_ACTIVE | RF_SHAREABLE);
9863419bf5aSAriff Abdullah 	if (!sc->irq || snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ich_intr,
9873419bf5aSAriff Abdullah 	    sc, &sc->ih)) {
988bd8e0aeeSOrion Hodson 		device_printf(dev, "unable to map interrupt\n");
989bd8e0aeeSOrion Hodson 		goto bad;
990bd8e0aeeSOrion Hodson 	}
991bd8e0aeeSOrion Hodson 
99241a019c0SCameron Grant 	if (ich_init(sc)) {
9931b6c76a2SCameron Grant 		device_printf(dev, "unable to initialize the card\n");
9941b6c76a2SCameron Grant 		goto bad;
9951b6c76a2SCameron Grant 	}
9961b6c76a2SCameron Grant 
9971b6c76a2SCameron Grant 	sc->codec = AC97_CREATE(dev, sc, ich_ac97);
9981b6c76a2SCameron Grant 	if (sc->codec == NULL)
9991b6c76a2SCameron Grant 		goto bad;
1000be0fee94SAriff Abdullah 
1001be0fee94SAriff Abdullah 	/*
1002c02b454dSAriff Abdullah 	 * Turn on inverted external amplifier sense flags for few
1003c02b454dSAriff Abdullah 	 * 'special' boards.
1004be0fee94SAriff Abdullah 	 */
1005c02b454dSAriff Abdullah 	switch (subdev) {
1006f432c562SAriff Abdullah 	case 0x202f161f:	/* Gateway 7326GZ */
1007c02b454dSAriff Abdullah 	case 0x203a161f:	/* Gateway 4028GZ */
1008ead3cc43SAriff Abdullah 	case 0x204c161f:	/* Kvazar-Micro Senator 3592XT */
1009f432c562SAriff Abdullah 	case 0x8144104d:	/* Sony VAIO PCG-TR* */
1010c02b454dSAriff Abdullah 	case 0x8197104d:	/* Sony S1XP */
101114055d2aSAriff Abdullah 	case 0x81c0104d:	/* Sony VAIO type T */
101214055d2aSAriff Abdullah 	case 0x81c5104d:	/* Sony VAIO VGN B1VP/B1XP */
101303923cd3SPyun YongHyeon 	case 0x3089103c:	/* Compaq Presario B3800 */
1014fbf953b5SAriff Abdullah 	case 0x309a103c:	/* HP Compaq nx4300 */
1015a580b31aSAriff Abdullah 	case 0x82131033:	/* NEC VersaPro VJ10F/BH */
1016a580b31aSAriff Abdullah 	case 0x82be1033:	/* NEC VersaPro VJ12F/CH */
1017be0fee94SAriff Abdullah 		ac97_setflags(sc->codec, ac97_getflags(sc->codec) | AC97_F_EAPD_INV);
1018c02b454dSAriff Abdullah 		break;
1019c02b454dSAriff Abdullah 	default:
1020c02b454dSAriff Abdullah 		break;
1021c02b454dSAriff Abdullah 	}
1022be0fee94SAriff Abdullah 
10231b6c76a2SCameron Grant 	mixer_init(dev, ac97_getmixerclass(), sc->codec);
102441a019c0SCameron Grant 
10251b6c76a2SCameron Grant 	/* check and set VRA function */
102621f30688SOrion Hodson 	extcaps = ac97_getextcaps(sc->codec);
1027eb5b9d0bSOrion Hodson 	sc->hasvra = extcaps & AC97_EXTCAP_VRA;
1028eb5b9d0bSOrion Hodson 	sc->hasvrm = extcaps & AC97_EXTCAP_VRM;
1029fcd47847SJohn Hay 	sc->hasmic = ac97_getcaps(sc->codec) & AC97_CAP_MICCHANNEL;
1030fcd47847SJohn Hay 	ac97_setextmode(sc->codec, sc->hasvra | sc->hasvrm);
10311b6c76a2SCameron Grant 
10323419bf5aSAriff Abdullah 	sc->dtbl_size = sizeof(struct ich_desc) * ICH_DTBL_LENGTH *
10333419bf5aSAriff Abdullah 	    ((sc->hasmic) ? 3 : 2);
10343419bf5aSAriff Abdullah 
10353419bf5aSAriff Abdullah 	/* BDL tag */
10363419bf5aSAriff Abdullah 	if (bus_dma_tag_create(bus_get_dma_tag(dev), 8, 0,
10373419bf5aSAriff Abdullah 	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
10383419bf5aSAriff Abdullah 	    sc->dtbl_size, 1, 0x3ffff, 0, NULL, NULL, &sc->dmat) != 0) {
10393419bf5aSAriff Abdullah 		device_printf(dev, "unable to create dma tag\n");
10403419bf5aSAriff Abdullah 		goto bad;
10413419bf5aSAriff Abdullah 	}
10423419bf5aSAriff Abdullah 
10433419bf5aSAriff Abdullah 	/* PCM channel tag */
10443419bf5aSAriff Abdullah 	if (bus_dma_tag_create(bus_get_dma_tag(dev), ICH_MIN_BLKSZ, 0,
10453419bf5aSAriff Abdullah 	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
10463419bf5aSAriff Abdullah 	    sc->bufsz, 1, 0x3ffff, 0, NULL, NULL, &sc->chan_dmat) != 0) {
10473419bf5aSAriff Abdullah 		device_printf(dev, "unable to create dma tag\n");
10483419bf5aSAriff Abdullah 		goto bad;
10493419bf5aSAriff Abdullah 	}
10503419bf5aSAriff Abdullah 
10513419bf5aSAriff Abdullah 	if (bus_dmamem_alloc(sc->dmat, (void **)&sc->dtbl, BUS_DMA_NOWAIT |
10523419bf5aSAriff Abdullah 	    ((sc->flags & ICH_DMA_NOCACHE) ? BUS_DMA_NOCACHE : 0),
10533419bf5aSAriff Abdullah 	    &sc->dtmap))
10543419bf5aSAriff Abdullah 		goto bad;
10553419bf5aSAriff Abdullah 
10563419bf5aSAriff Abdullah 	if (bus_dmamap_load(sc->dmat, sc->dtmap, sc->dtbl, sc->dtbl_size,
10573419bf5aSAriff Abdullah 	    ich_setmap, sc, 0))
10583419bf5aSAriff Abdullah 		goto bad;
10593419bf5aSAriff Abdullah 
1060a580b31aSAriff Abdullah 	if (pcm_register(dev, sc, 1, (sc->hasmic) ? 2 : 1))
10611b6c76a2SCameron Grant 		goto bad;
106241a019c0SCameron Grant 
1063fca71897SCameron Grant 	pcm_addchan(dev, PCMDIR_PLAY, &ichchan_class, sc);		/* play */
1064fca71897SCameron Grant 	pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc);		/* record */
1065fca71897SCameron Grant 	if (sc->hasmic)
1066fca71897SCameron Grant 		pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc);	/* record mic */
106741a019c0SCameron Grant 
10683419bf5aSAriff Abdullah 	if (sc->flags & ICH_FIXED_RATE) {
10693419bf5aSAriff Abdullah 		sc->flags |= ICH_CALIBRATE_DONE;
10703419bf5aSAriff Abdullah 		ich_setstatus(sc);
10713419bf5aSAriff Abdullah 	} else {
10722ae4ee83SOrion Hodson 		ich_initsys(sc);
1073f4df40b2SScott Long 
1074f4df40b2SScott Long 		sc->intrhook.ich_func = ich_calibrate;
1075f4df40b2SScott Long 		sc->intrhook.ich_arg = sc;
10763419bf5aSAriff Abdullah 		if (cold == 0 ||
10773419bf5aSAriff Abdullah 		    config_intrhook_establish(&sc->intrhook) != 0) {
10783419bf5aSAriff Abdullah 			sc->intrhook.ich_func = NULL;
10790225c5acSOrion Hodson 			ich_calibrate(sc);
1080f4df40b2SScott Long 		}
1081a580b31aSAriff Abdullah 	}
10822ae4ee83SOrion Hodson 
1083a580b31aSAriff Abdullah 	return (0);
10841b6c76a2SCameron Grant 
10851b6c76a2SCameron Grant bad:
10861b6c76a2SCameron Grant 	if (sc->codec)
10871b6c76a2SCameron Grant 		ac97_destroy(sc->codec);
1088bd8e0aeeSOrion Hodson 	if (sc->ih)
1089bd8e0aeeSOrion Hodson 		bus_teardown_intr(dev, sc->irq, sc->ih);
1090bd8e0aeeSOrion Hodson 	if (sc->irq)
1091bd8e0aeeSOrion Hodson 		bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
10921b6c76a2SCameron Grant 	if (sc->nambar)
10934cca7f0aSOrion Hodson 		bus_release_resource(dev, sc->regtype,
10941b6c76a2SCameron Grant 		    sc->nambarid, sc->nambar);
10951b6c76a2SCameron Grant 	if (sc->nabmbar)
10964cca7f0aSOrion Hodson 		bus_release_resource(dev, sc->regtype,
10971b6c76a2SCameron Grant 		    sc->nabmbarid, sc->nabmbar);
109834733eb5SAriff Abdullah 	if (sc->dtmap)
109934733eb5SAriff Abdullah 		bus_dmamap_unload(sc->dmat, sc->dtmap);
1100703c934aSAriff Abdullah 	if (sc->dtbl)
1101703c934aSAriff Abdullah 		bus_dmamem_free(sc->dmat, sc->dtbl, sc->dtmap);
11023419bf5aSAriff Abdullah 	if (sc->chan_dmat)
11033419bf5aSAriff Abdullah 		bus_dma_tag_destroy(sc->chan_dmat);
110434733eb5SAriff Abdullah 	if (sc->dmat)
110534733eb5SAriff Abdullah 		bus_dma_tag_destroy(sc->dmat);
11066a728ce5SAriff Abdullah 	if (sc->ich_lock)
11076a728ce5SAriff Abdullah 		snd_mtxfree(sc->ich_lock);
11081b6c76a2SCameron Grant 	free(sc, M_DEVBUF);
1109a580b31aSAriff Abdullah 	return (ENXIO);
11101b6c76a2SCameron Grant }
11111b6c76a2SCameron Grant 
11121b6c76a2SCameron Grant static int
11131b6c76a2SCameron Grant ich_pci_detach(device_t dev)
11141b6c76a2SCameron Grant {
11151b6c76a2SCameron Grant 	struct sc_info *sc;
11161b6c76a2SCameron Grant 	int r;
11171b6c76a2SCameron Grant 
11181b6c76a2SCameron Grant 	r = pcm_unregister(dev);
11191b6c76a2SCameron Grant 	if (r)
1120a580b31aSAriff Abdullah 		return (r);
11211b6c76a2SCameron Grant 	sc = pcm_getdevinfo(dev);
11221b6c76a2SCameron Grant 
112341a019c0SCameron Grant 	bus_teardown_intr(dev, sc->irq, sc->ih);
112441a019c0SCameron Grant 	bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
11254cca7f0aSOrion Hodson 	bus_release_resource(dev, sc->regtype, sc->nambarid, sc->nambar);
11264cca7f0aSOrion Hodson 	bus_release_resource(dev, sc->regtype, sc->nabmbarid, sc->nabmbar);
112734733eb5SAriff Abdullah 	bus_dmamap_unload(sc->dmat, sc->dtmap);
1128703c934aSAriff Abdullah 	bus_dmamem_free(sc->dmat, sc->dtbl, sc->dtmap);
11293419bf5aSAriff Abdullah 	bus_dma_tag_destroy(sc->chan_dmat);
11301b6c76a2SCameron Grant 	bus_dma_tag_destroy(sc->dmat);
11316a728ce5SAriff Abdullah 	snd_mtxfree(sc->ich_lock);
11321b6c76a2SCameron Grant 	free(sc, M_DEVBUF);
1133a580b31aSAriff Abdullah 	return (0);
11341b6c76a2SCameron Grant }
11351b6c76a2SCameron Grant 
1136feec6a7aSNate Lawson static void
1137feec6a7aSNate Lawson ich_pci_codec_reset(struct sc_info *sc)
1138feec6a7aSNate Lawson {
1139feec6a7aSNate Lawson 	int i;
1140feec6a7aSNate Lawson 	uint32_t control;
1141feec6a7aSNate Lawson 
1142feec6a7aSNate Lawson 	control = ich_rd(sc, ICH_REG_GLOB_CNT, 4);
1143feec6a7aSNate Lawson 	control &= ~(ICH_GLOB_CTL_SHUT);
1144feec6a7aSNate Lawson 	control |= (control & ICH_GLOB_CTL_COLD) ?
1145feec6a7aSNate Lawson 		    ICH_GLOB_CTL_WARM : ICH_GLOB_CTL_COLD;
1146feec6a7aSNate Lawson 	ich_wr(sc, ICH_REG_GLOB_CNT, control, 4);
1147feec6a7aSNate Lawson 
1148feec6a7aSNate Lawson 	for (i = 500000; i; i--) {
1149feec6a7aSNate Lawson 	     	if (ich_rd(sc, ICH_REG_GLOB_STA, 4) & ICH_GLOB_STA_PCR)
1150feec6a7aSNate Lawson 			break;		/*		or ICH_SCR? */
1151feec6a7aSNate Lawson 		DELAY(1);
1152feec6a7aSNate Lawson 	}
1153feec6a7aSNate Lawson 
1154feec6a7aSNate Lawson 	if (i <= 0)
1155feec6a7aSNate Lawson 		printf("%s: time out\n", __func__);
1156feec6a7aSNate Lawson }
1157feec6a7aSNate Lawson 
11581b6c76a2SCameron Grant static int
1159aaa16787SOrion Hodson ich_pci_suspend(device_t dev)
1160aaa16787SOrion Hodson {
1161aaa16787SOrion Hodson 	struct sc_info *sc;
1162aaa16787SOrion Hodson 	int i;
1163aaa16787SOrion Hodson 
1164aaa16787SOrion Hodson 	sc = pcm_getdevinfo(dev);
11656a728ce5SAriff Abdullah 	ICH_LOCK(sc);
1166aaa16787SOrion Hodson 	for (i = 0 ; i < 3; i++) {
1167aaa16787SOrion Hodson 		sc->ch[i].run_save = sc->ch[i].run;
1168aaa16787SOrion Hodson 		if (sc->ch[i].run) {
11696a728ce5SAriff Abdullah 			ICH_UNLOCK(sc);
1170aaa16787SOrion Hodson 			ichchan_trigger(0, &sc->ch[i], PCMTRIG_ABORT);
11716a728ce5SAriff Abdullah 			ICH_LOCK(sc);
1172aaa16787SOrion Hodson 		}
1173aaa16787SOrion Hodson 	}
11746a728ce5SAriff Abdullah 	ICH_UNLOCK(sc);
1175a580b31aSAriff Abdullah 	return (0);
1176aaa16787SOrion Hodson }
1177aaa16787SOrion Hodson 
1178aaa16787SOrion Hodson static int
11791b6c76a2SCameron Grant ich_pci_resume(device_t dev)
11801b6c76a2SCameron Grant {
11811b6c76a2SCameron Grant 	struct sc_info *sc;
1182aaa16787SOrion Hodson 	int i;
11831b6c76a2SCameron Grant 
11841b6c76a2SCameron Grant 	sc = pcm_getdevinfo(dev);
11851b6c76a2SCameron Grant 
1186feec6a7aSNate Lawson 	if (sc->regtype == SYS_RES_IOPORT)
1187feec6a7aSNate Lawson 		pci_enable_io(dev, SYS_RES_IOPORT);
1188feec6a7aSNate Lawson 	else
1189feec6a7aSNate Lawson 		pci_enable_io(dev, SYS_RES_MEMORY);
1190feec6a7aSNate Lawson 	pci_enable_busmaster(dev);
1191feec6a7aSNate Lawson 
11926a728ce5SAriff Abdullah 	ICH_LOCK(sc);
11931b6c76a2SCameron Grant 	/* Reinit audio device */
11941b6c76a2SCameron Grant     	if (ich_init(sc) == -1) {
11951b6c76a2SCameron Grant 		device_printf(dev, "unable to reinitialize the card\n");
11966a728ce5SAriff Abdullah 		ICH_UNLOCK(sc);
1197a580b31aSAriff Abdullah 		return (ENXIO);
11981b6c76a2SCameron Grant 	}
11991b6c76a2SCameron Grant 	/* Reinit mixer */
1200feec6a7aSNate Lawson 	ich_pci_codec_reset(sc);
120134733eb5SAriff Abdullah 	ICH_UNLOCK(sc);
1202feec6a7aSNate Lawson 	ac97_setextmode(sc->codec, sc->hasvra | sc->hasvrm);
12031b6c76a2SCameron Grant     	if (mixer_reinit(dev) == -1) {
12041b6c76a2SCameron Grant 		device_printf(dev, "unable to reinitialize the mixer\n");
1205a580b31aSAriff Abdullah 		return (ENXIO);
12061b6c76a2SCameron Grant 	}
1207aaa16787SOrion Hodson 	/* Re-start DMA engines */
1208aaa16787SOrion Hodson 	for (i = 0 ; i < 3; i++) {
1209aaa16787SOrion Hodson 		struct sc_chinfo *ch = &sc->ch[i];
1210aaa16787SOrion Hodson 		if (sc->ch[i].run_save) {
1211aaa16787SOrion Hodson 			ichchan_setblocksize(0, ch, ch->blksz);
1212aaa16787SOrion Hodson 			ichchan_setspeed(0, ch, ch->spd);
1213aaa16787SOrion Hodson 			ichchan_trigger(0, ch, PCMTRIG_START);
1214aaa16787SOrion Hodson 		}
1215aaa16787SOrion Hodson 	}
1216a580b31aSAriff Abdullah 	return (0);
12171b6c76a2SCameron Grant }
12181b6c76a2SCameron Grant 
12191b6c76a2SCameron Grant static device_method_t ich_methods[] = {
12201b6c76a2SCameron Grant 	/* Device interface */
12211b6c76a2SCameron Grant 	DEVMETHOD(device_probe,		ich_pci_probe),
12221b6c76a2SCameron Grant 	DEVMETHOD(device_attach,	ich_pci_attach),
12231b6c76a2SCameron Grant 	DEVMETHOD(device_detach,	ich_pci_detach),
1224aaa16787SOrion Hodson 	DEVMETHOD(device_suspend, 	ich_pci_suspend),
12251b6c76a2SCameron Grant 	DEVMETHOD(device_resume,	ich_pci_resume),
12261b6c76a2SCameron Grant 	{ 0, 0 }
12271b6c76a2SCameron Grant };
12281b6c76a2SCameron Grant 
12291b6c76a2SCameron Grant static driver_t ich_driver = {
12301b6c76a2SCameron Grant 	"pcm",
12311b6c76a2SCameron Grant 	ich_methods,
123267b1dce3SCameron Grant 	PCM_SOFTC_SIZE,
12331b6c76a2SCameron Grant };
12341b6c76a2SCameron Grant 
12351b6c76a2SCameron Grant DRIVER_MODULE(snd_ich, pci, ich_driver, pcm_devclass, 0, 0);
12360739ea1dSSeigo Tanimura MODULE_DEPEND(snd_ich, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
12371b6c76a2SCameron Grant MODULE_VERSION(snd_ich, 1);
1238