1/*	$NetBSD: auvia.c,v 1.74 2011/11/23 23:07:34 jmcneill Exp $	*/
2
3/*-
4 * Copyright (c) 2000, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Tyler C. Sarna.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * VIA Technologies VT82C686A / VT8233 / VT8235 Southbridge Audio Driver
34 *
35 * Documentation links:
36 *
37 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
38 * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf
39 * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec)
40 */
41
42#include <sys/cdefs.h>
43__KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.74 2011/11/23 23:07:34 jmcneill Exp $");
44
45#include <sys/param.h>
46#include <sys/systm.h>
47#include <sys/kmem.h>
48#include <sys/device.h>
49#include <sys/audioio.h>
50
51#include <dev/pci/pcidevs.h>
52#include <dev/pci/pcivar.h>
53
54#include <dev/audio_if.h>
55#include <dev/mulaw.h>
56#include <dev/auconv.h>
57
58#include <dev/ic/ac97reg.h>
59#include <dev/ic/ac97var.h>
60
61#include <dev/pci/auviavar.h>
62
63#define	AUVIA_MINBLKSZ		512
64
65struct auvia_dma {
66	struct auvia_dma *next;
67	void *addr;
68	size_t size;
69	bus_dmamap_t map;
70	bus_dma_segment_t seg;
71};
72
73struct auvia_dma_op {
74	uint32_t ptr;
75	uint32_t flags;
76#define AUVIA_DMAOP_EOL		0x80000000
77#define AUVIA_DMAOP_FLAG	0x40000000
78#define AUVIA_DMAOP_STOP	0x20000000
79#define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
80};
81
82static int	auvia_match(device_t, cfdata_t, void *);
83static void	auvia_attach(device_t, device_t, void *);
84static int	auvia_detach(device_t, int);
85static void	auvia_childdet(device_t, device_t);
86static int	auvia_open(void *, int);
87static void	auvia_close(void *);
88static int	auvia_query_encoding(void *, struct audio_encoding *);
89static void	auvia_set_params_sub(struct auvia_softc *,
90				     struct auvia_softc_chan *,
91				     const audio_params_t *);
92static int	auvia_set_params(void *, int, int, audio_params_t *,
93				 audio_params_t *, stream_filter_list_t *,
94				 stream_filter_list_t *);
95static int	auvia_round_blocksize(void *, int, int, const audio_params_t *);
96static int	auvia_halt_output(void *);
97static int	auvia_halt_input(void *);
98static int	auvia_getdev(void *, struct audio_device *);
99static int	auvia_set_port(void *, mixer_ctrl_t *);
100static int	auvia_get_port(void *, mixer_ctrl_t *);
101static int	auvia_query_devinfo(void *, mixer_devinfo_t *);
102static void *	auvia_malloc(void *, int, size_t);
103static void	auvia_free(void *, void *, size_t);
104static size_t	auvia_round_buffersize(void *, int, size_t);
105static paddr_t	auvia_mappage(void *, void *, off_t, int);
106static int	auvia_get_props(void *);
107static int	auvia_build_dma_ops(struct auvia_softc *,
108				    struct auvia_softc_chan *,
109				    struct auvia_dma *, void *, void *, int);
110static int	auvia_trigger_output(void *, void *, void *, int,
111				     void (*)(void *), void *,
112				     const audio_params_t *);
113static int	auvia_trigger_input(void *, void *, void *, int,
114				    void (*)(void *), void *,
115				    const audio_params_t *);
116static void	auvia_get_locks(void *, kmutex_t **, kmutex_t **);
117static bool	auvia_resume(device_t, const pmf_qual_t *);
118
119static int	auvia_intr(void *);
120static void *	auvia_malloc_dmamem(void *, int, size_t);
121static int	auvia_malloc_channel(struct auvia_softc *, struct auvia_softc_chan *,
122				     size_t);
123static int	auvia_attach_codec(void *, struct ac97_codec_if *);
124static int	auvia_write_codec(void *, uint8_t, uint16_t);
125static int	auvia_read_codec(void *, uint8_t, uint16_t *);
126static int	auvia_reset_codec(void *);
127static int	auvia_waitready_codec(struct auvia_softc *);
128static int	auvia_waitvalid_codec(struct auvia_softc *);
129static void	auvia_spdif_event(void *, bool);
130
131CFATTACH_DECL2_NEW(auvia, sizeof (struct auvia_softc),
132    auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet);
133
134/* VIA VT823xx revision number */
135#define VIA_REV_8233PRE	0x10
136#define VIA_REV_8233C	0x20
137#define VIA_REV_8233	0x30
138#define VIA_REV_8233A	0x40
139#define VIA_REV_8235	0x50
140#define VIA_REV_8237	0x60
141
142#define AUVIA_PCICONF_JUNK	0x40
143#define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
144#define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
145#define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
146#define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
147#define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
148#define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
149#define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
150#define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
151#define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
152
153#define	AUVIA_PLAY_BASE			0x00
154#define	AUVIA_RECORD_BASE		0x10
155
156/* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
157#define	AUVIA_RP_STAT			0x00
158#define		AUVIA_RPSTAT_INTR		0x03
159#define	AUVIA_RP_CONTROL		0x01
160#define		AUVIA_RPCTRL_START		0x80
161#define		AUVIA_RPCTRL_TERMINATE		0x40
162#define		AUVIA_RPCTRL_AUTOSTART		0x20
163/* The following are 8233 specific */
164#define		AUVIA_RPCTRL_STOP		0x04
165#define		AUVIA_RPCTRL_EOL		0x02
166#define		AUVIA_RPCTRL_FLAG		0x01
167#define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
168#define		AUVIA_RPMODE_INTR_FLAG		0x01
169#define		AUVIA_RPMODE_INTR_EOL		0x02
170#define		AUVIA_RPMODE_STEREO		0x10
171#define		AUVIA_RPMODE_16BIT		0x20
172#define		AUVIA_RPMODE_AUTOSTART		0x80
173#define	AUVIA_RP_DMAOPS_BASE		0x04
174
175#define	VIA8233_RP_DXS_LVOL		0x02
176#define	VIA8233_RP_DXS_RVOL		0x03
177#define	VIA8233_RP_RATEFMT		0x08
178#define		VIA8233_RATEFMT_48K		0xfffff
179#define		VIA8233_RATEFMT_STEREO		0x00100000
180#define		VIA8233_RATEFMT_16BIT		0x00200000
181
182#define	VIA_RP_DMAOPS_COUNT		0x0c
183
184#define VIA8233_MP_BASE			0x40
185	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
186#define VIA8233_OFF_MP_FORMAT		0x02
187#define		VIA8233_MP_FORMAT_8BIT		0x00
188#define		VIA8233_MP_FORMAT_16BIT		0x80
189#define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
190#define VIA8233_OFF_MP_SCRATCH		0x03
191#define VIA8233_OFF_MP_STOP		0x08
192
193#define VIA8233_WR_BASE			0x60
194
195#define	AUVIA_CODEC_CTL			0x80
196#define		AUVIA_CODEC_READ		0x00800000
197#define		AUVIA_CODEC_BUSY		0x01000000
198#define		AUVIA_CODEC_PRIVALID		0x02000000
199#define		AUVIA_CODEC_INDEX(x)		((x)<<16)
200
201#define CH_WRITE1(sc, ch, off, v)	\
202	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
203#define CH_WRITE4(sc, ch, off, v)	\
204	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
205#define CH_READ1(sc, ch, off)		\
206	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
207#define CH_READ4(sc, ch, off)		\
208	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
209
210#define TIMEOUT	50
211
212static const struct audio_hw_if auvia_hw_if = {
213	auvia_open,
214	auvia_close,
215	NULL, /* drain */
216	auvia_query_encoding,
217	auvia_set_params,
218	auvia_round_blocksize,
219	NULL, /* commit_settings */
220	NULL, /* init_output */
221	NULL, /* init_input */
222	NULL, /* start_output */
223	NULL, /* start_input */
224	auvia_halt_output,
225	auvia_halt_input,
226	NULL, /* speaker_ctl */
227	auvia_getdev,
228	NULL, /* setfd */
229	auvia_set_port,
230	auvia_get_port,
231	auvia_query_devinfo,
232	auvia_malloc,
233	auvia_free,
234	auvia_round_buffersize,
235	auvia_mappage,
236	auvia_get_props,
237	auvia_trigger_output,
238	auvia_trigger_input,
239	NULL, /* dev_ioctl */
240	auvia_get_locks,
241};
242
243#define AUVIA_FORMATS_4CH_16	2
244#define AUVIA_FORMATS_6CH_16	3
245#define AUVIA_FORMATS_4CH_8	6
246#define AUVIA_FORMATS_6CH_8	7
247static const struct audio_format auvia_formats[AUVIA_NFORMATS] = {
248	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
249	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
250	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
251	 2, AUFMT_STEREO, 0, {8000, 48000}},
252	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
253	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
254	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
255	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
256	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
257	 1, AUFMT_MONAURAL, 0, {8000, 48000}},
258	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
259	 2, AUFMT_STEREO, 0, {8000, 48000}},
260	{NULL, AUMODE_PLAY, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
261	 4, AUFMT_SURROUND4, 0, {8000, 48000}},
262	{NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8,
263	 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
264};
265
266#define	AUVIA_SPDIF_NFORMATS	1
267static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = {
268	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
269	 2, AUFMT_STEREO, 1, {48000}},
270};
271
272
273static int
274auvia_match(device_t parent, cfdata_t match, void *aux)
275{
276	struct pci_attach_args *pa;
277
278	pa = (struct pci_attach_args *) aux;
279	if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
280		return 0;
281	switch (PCI_PRODUCT(pa->pa_id)) {
282	case PCI_PRODUCT_VIATECH_VT82C686A_AC97:
283	case PCI_PRODUCT_VIATECH_VT8233_AC97:
284		break;
285	default:
286		return 0;
287	}
288
289	return 1;
290}
291
292static void
293auvia_childdet(device_t self, device_t child)
294{
295	/* we hold no child references, so do nothing */
296}
297
298static int
299auvia_detach(device_t self, int flags)
300{
301	int rc;
302	struct auvia_softc *sc = device_private(self);
303
304	if ((rc = config_detach_children(self, flags)) != 0)
305		return rc;
306	pmf_device_deregister(self);
307
308	mutex_enter(&sc->sc_lock);
309	auconv_delete_encodings(sc->sc_encodings);
310	auconv_delete_encodings(sc->sc_spdif_encodings);
311	if (sc->codec_if != NULL)
312		sc->codec_if->vtbl->detach(sc->codec_if);
313	mutex_exit(&sc->sc_lock);
314
315	/* XXX restore compatibility? */
316	if (sc->sc_ih != NULL)
317		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
318
319	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
320	if (sc->sc_play.sc_dma_ops != NULL) {
321		auvia_free(sc, sc->sc_play.sc_dma_ops,
322		    sc->sc_play.sc_dma_op_count *
323		    sizeof(struct auvia_dma_op));
324	}
325	if (sc->sc_record.sc_dma_ops != NULL) {
326		auvia_free(sc, sc->sc_record.sc_dma_ops,
327		    sc->sc_play.sc_dma_op_count *
328		    sizeof(struct auvia_dma_op));
329	}
330	mutex_destroy(&sc->sc_lock);
331	mutex_destroy(&sc->sc_intr_lock);
332
333	return 0;
334}
335
336static void
337auvia_attach(device_t parent, device_t self, void *aux)
338{
339	struct pci_attach_args *pa;
340	struct auvia_softc *sc;
341	const char *intrstr;
342	pci_chipset_tag_t pc;
343	pcitag_t pt;
344	pci_intr_handle_t ih;
345	pcireg_t pr;
346	int r;
347	const char *revnum;	/* VT823xx revision number */
348
349	pa = aux;
350	sc = device_private(self);
351	sc->sc_dev = self;
352	intrstr = NULL;
353	pc = pa->pa_pc;
354	pt = pa->pa_tag;
355	revnum = NULL;
356
357	aprint_naive(": Audio controller\n");
358
359	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
360	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
361	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
362		sc->sc_flags |= AUVIA_FLAGS_VT8233;
363		sc->sc_play.sc_base = VIA8233_MP_BASE;
364		sc->sc_record.sc_base = VIA8233_WR_BASE;
365	}
366
367	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
368		&sc->sc_ioh, NULL, &sc->sc_iosize)) {
369		aprint_error(": can't map i/o space\n");
370		return;
371	}
372
373	sc->sc_dmat = pa->pa_dmat;
374	sc->sc_pc = pc;
375	sc->sc_pt = pt;
376
377	r = PCI_REVISION(pa->pa_class);
378	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
379		snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r);
380		switch(r) {
381		case VIA_REV_8233PRE:
382			/* same as 8233, but should not be in the market */
383			revnum = "3-Pre";
384			break;
385		case VIA_REV_8233C:
386			/* 2 rec, 4 pb, 1 multi-pb */
387			revnum = "3C";
388			break;
389		case VIA_REV_8233:
390			/* 2 rec, 4 pb, 1 multi-pb, spdif */
391			revnum = "3";
392			break;
393		case VIA_REV_8233A:
394			/* 1 rec, 1 multi-pb, spdif */
395			revnum = "3A";
396			break;
397		default:
398			break;
399		}
400		if (r >= VIA_REV_8237)
401			revnum = "7";
402		else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */
403			revnum = "5";
404		aprint_normal(": VIA Technologies VT823%s AC'97 Audio "
405		    "(rev %s)\n", revnum, sc->sc_revision);
406	} else {
407		sc->sc_revision[1] = '\0';
408		if (r == 0x20) {
409			sc->sc_revision[0] = 'H';
410		} else if ((r >= 0x10) && (r <= 0x14)) {
411			sc->sc_revision[0] = 'A' + (r - 0x10);
412		} else {
413			snprintf(sc->sc_revision, sizeof(sc->sc_revision),
414			    "0x%02X", r);
415		}
416
417		aprint_normal(": VIA Technologies VT82C686A AC'97 Audio "
418		    "(rev %s)\n", sc->sc_revision);
419	}
420
421	if (pci_intr_map(pa, &ih)) {
422		aprint_error(": couldn't map interrupt\n");
423		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
424		return;
425	}
426	intrstr = pci_intr_string(pc, ih);
427
428	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
429	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
430
431	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc);
432	if (sc->sc_ih == NULL) {
433		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
434		if (intrstr != NULL)
435			aprint_error(" at %s", intrstr);
436		aprint_error("\n");
437		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
438		mutex_destroy(&sc->sc_lock);
439		mutex_destroy(&sc->sc_intr_lock);
440		return;
441	}
442
443	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
444
445	/* disable SBPro compat & others */
446	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
447
448	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
449	/* XXX what to do about MIDI, FM, joystick? */
450
451	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST
452		| AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
453
454	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
455
456	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
457
458	sc->host_if.arg = sc;
459	sc->host_if.attach = auvia_attach_codec;
460	sc->host_if.read = auvia_read_codec;
461	sc->host_if.write = auvia_write_codec;
462	sc->host_if.reset = auvia_reset_codec;
463	sc->host_if.spdif_event = auvia_spdif_event;
464
465	if ((r = ac97_attach(&sc->host_if, self, &sc->sc_lock)) != 0) {
466		aprint_error_dev(sc->sc_dev, "can't attach codec (error 0x%X)\n", r);
467		pci_intr_disestablish(pc, sc->sc_ih);
468		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
469		mutex_destroy(&sc->sc_lock);
470		mutex_destroy(&sc->sc_intr_lock);
471		return;
472	}
473
474	/* setup audio_format */
475	memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats));
476	mutex_enter(&sc->sc_lock);
477	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) {
478		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_8]);
479		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH_16]);
480	}
481	if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) {
482		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_8]);
483		AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH_16]);
484	}
485	if (AC97_IS_FIXED_RATE(sc->codec_if)) {
486		for (r = 0; r < AUVIA_NFORMATS; r++) {
487			sc->sc_formats[r].frequency_type = 1;
488			sc->sc_formats[r].frequency[0] = 48000;
489		}
490	}
491	mutex_exit(&sc->sc_lock);
492
493	if (0 != auconv_create_encodings(sc->sc_formats, AUVIA_NFORMATS,
494					 &sc->sc_encodings)) {
495		mutex_enter(&sc->sc_lock);
496		sc->codec_if->vtbl->detach(sc->codec_if);
497		mutex_exit(&sc->sc_lock);
498		pci_intr_disestablish(pc, sc->sc_ih);
499		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
500		mutex_destroy(&sc->sc_lock);
501		mutex_destroy(&sc->sc_intr_lock);
502		aprint_error_dev(sc->sc_dev, "can't create encodings\n");
503		return;
504	}
505	if (0 != auconv_create_encodings(auvia_spdif_formats,
506	    AUVIA_SPDIF_NFORMATS, &sc->sc_spdif_encodings)) {
507		mutex_enter(&sc->sc_lock);
508		sc->codec_if->vtbl->detach(sc->codec_if);
509		mutex_exit(&sc->sc_lock);
510		pci_intr_disestablish(pc, sc->sc_ih);
511		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize);
512		mutex_destroy(&sc->sc_lock);
513		mutex_destroy(&sc->sc_intr_lock);
514		aprint_error_dev(sc->sc_dev, "can't create spdif encodings\n");
515		return;
516	}
517
518	if (!pmf_device_register(self, NULL, auvia_resume))
519		aprint_error_dev(self, "couldn't establish power handler\n");
520
521	audio_attach_mi(&auvia_hw_if, sc, sc->sc_dev);
522	mutex_enter(&sc->sc_lock);
523	sc->codec_if->vtbl->unlock(sc->codec_if);
524	mutex_exit(&sc->sc_lock);
525	return;
526}
527
528static int
529auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
530{
531	struct auvia_softc *sc;
532
533	sc = addr;
534	sc->codec_if = cif;
535	return 0;
536}
537
538static int
539auvia_reset_codec(void *addr)
540{
541	struct auvia_softc *sc;
542	pcireg_t r;
543	int i;
544
545	/* perform a codec cold reset */
546	sc = addr;
547	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
548
549	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
550	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
551	delay(2);
552
553	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
554	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
555	delay(200);
556
557	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
558		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
559		DELAY(1);
560	if (i == 0) {
561		printf("%s: codec reset timed out\n", device_xname(sc->sc_dev));
562		return ETIMEDOUT;
563	}
564	return 0;
565}
566
567static int
568auvia_waitready_codec(struct auvia_softc *sc)
569{
570	int i;
571
572	/* poll until codec not busy */
573	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
574		AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
575		delay(1);
576	if (i >= TIMEOUT) {
577		printf("%s: codec busy\n", device_xname(sc->sc_dev));
578		return 1;
579	}
580
581	return 0;
582}
583
584static int
585auvia_waitvalid_codec(struct auvia_softc *sc)
586{
587	int i;
588
589	/* poll until codec valid */
590	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
591		AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
592			delay(1);
593	if (i >= TIMEOUT) {
594		printf("%s: codec invalid\n", device_xname(sc->sc_dev));
595		return 1;
596	}
597
598	return 0;
599}
600
601static int
602auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
603{
604	struct auvia_softc *sc;
605
606	sc = addr;
607	if (auvia_waitready_codec(sc))
608		return 1;
609
610	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
611		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
612
613	return 0;
614}
615
616static int
617auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
618{
619	struct auvia_softc *sc;
620
621	sc = addr;
622	if (auvia_waitready_codec(sc))
623		return 1;
624
625	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
626		AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
627
628	if (auvia_waitready_codec(sc))
629		return 1;
630
631	if (auvia_waitvalid_codec(sc))
632		return 1;
633
634	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
635
636	return 0;
637}
638
639static void
640auvia_spdif_event(void *addr, bool flag)
641{
642	struct auvia_softc *sc;
643
644	sc = addr;
645	sc->sc_spdif = flag;
646}
647
648static int
649auvia_open(void *addr, int flags)
650{
651	struct auvia_softc *sc;
652
653	sc = (struct auvia_softc *)addr;
654	mutex_spin_exit(&sc->sc_intr_lock);
655	sc->codec_if->vtbl->lock(sc->codec_if);
656	mutex_spin_enter(&sc->sc_intr_lock);
657	return 0;
658}
659
660static void
661auvia_close(void *addr)
662{
663	struct auvia_softc *sc;
664
665	sc = (struct auvia_softc *)addr;
666	mutex_spin_exit(&sc->sc_intr_lock);
667	sc->codec_if->vtbl->unlock(sc->codec_if);
668	mutex_spin_enter(&sc->sc_intr_lock);
669}
670
671static int
672auvia_query_encoding(void *addr, struct audio_encoding *fp)
673{
674	struct auvia_softc *sc;
675
676	sc = (struct auvia_softc *)addr;
677	return auconv_query_encoding(
678	    sc->sc_spdif ? sc->sc_spdif_encodings : sc->sc_encodings, fp);
679}
680
681static void
682auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
683		     const audio_params_t *p)
684{
685	uint32_t v;
686	uint16_t regval;
687
688	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
689		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
690			| (p->precision  == 16 ?
691				AUVIA_RPMODE_16BIT : 0)
692			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
693			| AUVIA_RPMODE_AUTOSTART;
694		ch->sc_reg = regval;
695	} else if (ch->sc_base != VIA8233_MP_BASE) {
696		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
697		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
698			| VIA8233_RATEFMT_16BIT);
699
700		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
701			/ (48000 / 20);
702		if (p->channels == 2)
703			v |= VIA8233_RATEFMT_STEREO;
704		if (p->precision == 16)
705			v |= VIA8233_RATEFMT_16BIT;
706
707		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
708	} else {
709		static const u_int32_t slottab[7] =
710			{ 0, 0xff000011, 0xff000021, 0,
711			  0xff004321, 0, 0xff436521};
712
713		regval = (p->precision == 16
714			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
715			| (p->channels << 4);
716		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
717		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
718	}
719}
720
721static int
722auvia_set_params(void *addr, int setmode, int usemode,
723    audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
724    stream_filter_list_t *rfil)
725{
726	struct auvia_softc *sc;
727	struct auvia_softc_chan *ch;
728	struct audio_params *p;
729	struct ac97_codec_if* codec;
730	stream_filter_list_t *fil;
731	int reg, mode;
732	int index;
733
734	sc = addr;
735	codec = sc->codec_if;
736	/* for mode in (RECORD, PLAY) */
737	for (mode = AUMODE_RECORD; mode != -1;
738	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
739		if ((setmode & mode) == 0)
740			continue;
741
742		if (mode == AUMODE_PLAY ) {
743			p = play;
744			ch = &sc->sc_play;
745			reg = AC97_REG_PCM_FRONT_DAC_RATE;
746			fil = pfil;
747		} else {
748			p = rec;
749			ch = &sc->sc_record;
750			reg = AC97_REG_PCM_LR_ADC_RATE;
751			fil = rfil;
752		}
753
754		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
755		    (p->precision != 8 && p->precision != 16))
756			return (EINVAL);
757		if (sc->sc_spdif)
758			index = auconv_set_converter(auvia_spdif_formats,
759			    AUVIA_SPDIF_NFORMATS, mode, p, TRUE, fil);
760		else
761			index = auconv_set_converter(sc->sc_formats,
762			    AUVIA_NFORMATS, mode, p, TRUE, fil);
763		if (index < 0)
764			return EINVAL;
765		if (fil->req_size > 0)
766			p = &fil->filters[0].param;
767		if (!AC97_IS_FIXED_RATE(codec)) {
768			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
769				return EINVAL;
770			reg = AC97_REG_PCM_SURR_DAC_RATE;
771			if (p->channels >= 4
772			    && codec->vtbl->set_rate(codec, reg,
773						     &p->sample_rate))
774				return EINVAL;
775			reg = AC97_REG_PCM_LFE_DAC_RATE;
776			if (p->channels == 6
777			    && codec->vtbl->set_rate(codec, reg,
778						     &p->sample_rate))
779				return EINVAL;
780		}
781		auvia_set_params_sub(sc, ch, p);
782	}
783
784	return 0;
785}
786
787static int
788auvia_round_blocksize(void *addr, int blk,
789    int mode, const audio_params_t *param)
790{
791	struct auvia_softc *sc;
792
793	sc = addr;
794
795	/* XXX VT823x might have the limitation of dma_ops size */
796	if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288)
797		blk = 288;
798
799	/* Avoid too many dma_ops. */
800	return min((blk & -32), AUVIA_MINBLKSZ);
801}
802
803static int
804auvia_halt_output(void *addr)
805{
806	struct auvia_softc *sc;
807	struct auvia_softc_chan *ch;
808
809	sc = addr;
810	ch = &(sc->sc_play);
811	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
812	ch->sc_intr = NULL;
813	return 0;
814}
815
816static int
817auvia_halt_input(void *addr)
818{
819	struct auvia_softc *sc;
820	struct auvia_softc_chan *ch;
821
822	sc = addr;
823	ch = &(sc->sc_record);
824	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
825	ch->sc_intr = NULL;
826	return 0;
827}
828
829static int
830auvia_getdev(void *addr, struct audio_device *retp)
831{
832	struct auvia_softc *sc;
833
834	if (retp) {
835		sc = addr;
836		if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
837			strncpy(retp->name, "VIA VT823x",
838				sizeof(retp->name));
839		} else {
840			strncpy(retp->name, "VIA VT82C686A",
841				sizeof(retp->name));
842		}
843		strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
844		strncpy(retp->config, "auvia", sizeof(retp->config));
845	}
846
847	return 0;
848}
849
850static int
851auvia_set_port(void *addr, mixer_ctrl_t *cp)
852{
853	struct auvia_softc *sc;
854
855	sc = addr;
856	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
857}
858
859static int
860auvia_get_port(void *addr, mixer_ctrl_t *cp)
861{
862	struct auvia_softc *sc;
863
864	sc = addr;
865	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
866}
867
868static int
869auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
870{
871	struct auvia_softc *sc;
872
873	sc = addr;
874	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
875}
876
877static int
878auvia_malloc_channel(struct auvia_softc *sc, struct auvia_softc_chan *ch,
879		     size_t size)
880{
881	struct auvia_dma *dp;
882	int segs;
883
884	/* if old list is large enough, nothing to do */
885	segs = (size + AUVIA_MINBLKSZ - 1) / AUVIA_MINBLKSZ;
886	if (segs <= ch->sc_dma_op_count) {
887		return 0;
888	}
889
890	if (ch->sc_dma_ops) {
891		auvia_free(sc, ch->sc_dma_ops,
892		    ch->sc_dma_op_count * sizeof(*dp));
893	}
894
895	ch->sc_dma_ops = auvia_malloc_dmamem(sc, 0,
896	    sizeof(struct auvia_dma_op) * segs);
897
898	if (ch->sc_dma_ops == NULL) {
899		aprint_error_dev(sc->sc_dev, "couldn't build dmaops\n");
900		return ENOMEM;
901	}
902
903	for (dp = sc->sc_dmas;
904	    dp && dp->addr != (void *)(ch->sc_dma_ops);
905	    dp = dp->next)
906		continue;
907
908	if (!dp)
909		panic("%s: build_dma_ops: where'd my memory go??? "
910			"address (%p)\n", device_xname(sc->sc_dev),
911			ch->sc_dma_ops);
912
913	ch->sc_dma_op_count = segs;
914	ch->sc_dma_ops_dma = dp;
915
916	return 0;
917}
918
919static void *
920auvia_malloc_dmamem(void *addr, int direction, size_t size)
921{
922	struct auvia_softc *sc;
923	struct auvia_dma *p;
924	int error;
925	int rseg;
926
927	p = kmem_alloc(sizeof(*p), KM_SLEEP);
928	if (p == NULL)
929		return NULL;
930	sc = addr;
931	p->size = size;
932	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
933				      1, &rseg, BUS_DMA_WAITOK)) != 0) {
934		aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error);
935		goto fail_alloc;
936	}
937
938	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
939				    BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) {
940		aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n",
941		       error);
942		goto fail_map;
943	}
944
945	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
946				       BUS_DMA_WAITOK, &p->map)) != 0) {
947		aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n",
948		       error);
949		goto fail_create;
950	}
951
952	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
953				     BUS_DMA_WAITOK)) != 0) {
954		aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n",
955		       error);
956		goto fail_load;
957	}
958
959	p->next = sc->sc_dmas;
960	sc->sc_dmas = p;
961
962	return p->addr;
963
964fail_load:
965	bus_dmamap_destroy(sc->sc_dmat, p->map);
966fail_create:
967	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
968fail_map:
969	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
970fail_alloc:
971	kmem_free(p, sizeof(*p));
972	return NULL;
973}
974
975static void *
976auvia_malloc(void *addr, int direction, size_t size)
977{
978	struct auvia_softc *sc;
979	void *p;
980
981	sc = addr;
982
983	p = auvia_malloc_dmamem(addr, direction, size);
984	if (p == NULL) {
985		return NULL;
986	}
987	if (auvia_malloc_channel(sc, &sc->sc_play, size) != 0) {
988		auvia_free(addr, p, size);
989		return NULL;
990	}
991	if (auvia_malloc_channel(sc, &sc->sc_record, size) != 0) {
992		auvia_free(addr, p, size);
993		return NULL;
994	}
995	return p;
996}
997
998static void
999auvia_free(void *addr, void *ptr, size_t size)
1000{
1001	struct auvia_softc *sc;
1002	struct auvia_dma **pp, *p;
1003
1004	sc = addr;
1005	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
1006		if (p->addr == ptr) {
1007			bus_dmamap_unload(sc->sc_dmat, p->map);
1008			bus_dmamap_destroy(sc->sc_dmat, p->map);
1009			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
1010			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
1011
1012			*pp = p->next;
1013			kmem_free(p, sizeof(*p));
1014			return;
1015		}
1016
1017	panic("auvia_free: trying to free unallocated memory");
1018}
1019
1020static size_t
1021auvia_round_buffersize(void *addr, int direction, size_t size)
1022{
1023
1024	return size;
1025}
1026
1027static paddr_t
1028auvia_mappage(void *addr, void *mem, off_t off, int prot)
1029{
1030	struct auvia_softc *sc;
1031	struct auvia_dma *p;
1032
1033	if (off < 0)
1034		return -1;
1035	sc = addr;
1036	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
1037		continue;
1038
1039	if (!p)
1040		return -1;
1041
1042	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
1043	    BUS_DMA_WAITOK);
1044}
1045
1046static int
1047auvia_get_props(void *addr)
1048{
1049	struct auvia_softc *sc;
1050	int props;
1051
1052	props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1053	sc = addr;
1054	/*
1055	 * Even if the codec is fixed-rate, set_param() succeeds for any sample
1056	 * rate because of aurateconv.  Applications can't know what rate the
1057	 * device can process in the case of mmap().
1058	 */
1059	if (!AC97_IS_FIXED_RATE(sc->codec_if))
1060		props |= AUDIO_PROP_MMAP;
1061	return props;
1062}
1063
1064static void
1065auvia_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1066{
1067	struct auvia_softc *sc;
1068
1069	sc = addr;
1070	*intr = &sc->sc_intr_lock;
1071	*thread = &sc->sc_lock;
1072}
1073
1074static int
1075auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
1076	struct auvia_dma *p, void *start, void *end, int blksize)
1077{
1078	struct auvia_dma_op *op;
1079	struct auvia_dma *dp;
1080	bus_addr_t s;
1081	size_t l;
1082
1083	dp = ch->sc_dma_ops_dma;
1084	op = ch->sc_dma_ops;
1085	s = p->map->dm_segs[0].ds_addr;
1086	l = ((char *)end - (char *)start);
1087
1088	while (l) {
1089		op->ptr = htole32(s);
1090		l = l - blksize;
1091		if (!l) {
1092			/* if last block */
1093			op->flags = htole32(AUVIA_DMAOP_EOL | blksize);
1094		} else {
1095			op->flags = htole32(AUVIA_DMAOP_FLAG | blksize);
1096		}
1097		s += blksize;
1098		op++;
1099	}
1100
1101	return 0;
1102}
1103
1104
1105static int
1106auvia_trigger_output(void *addr, void *start, void *end, int blksize,
1107    void (*intr)(void *), void *arg, const audio_params_t *param)
1108{
1109	struct auvia_softc *sc;
1110	struct auvia_softc_chan *ch;
1111	struct auvia_dma *p;
1112
1113	sc = addr;
1114	ch = &(sc->sc_play);
1115	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1116		continue;
1117
1118	if (!p)
1119		panic("auvia_trigger_output: request with bad start "
1120			"address (%p)", start);
1121
1122	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1123		return 1;
1124	}
1125
1126	ch->sc_intr = intr;
1127	ch->sc_arg = arg;
1128
1129	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1130		ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1131
1132	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1133		if (ch->sc_base != VIA8233_MP_BASE) {
1134			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1135			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1136		}
1137		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1138			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1139			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1140	} else {
1141		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1142		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1143	}
1144
1145	return 0;
1146}
1147
1148static int
1149auvia_trigger_input(void *addr, void *start, void *end, int blksize,
1150    void (*intr)(void *), void *arg, const audio_params_t *param)
1151{
1152	struct auvia_softc *sc;
1153	struct auvia_softc_chan *ch;
1154	struct auvia_dma *p;
1155
1156	sc = addr;
1157	ch = &(sc->sc_record);
1158	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
1159		continue;
1160
1161	if (!p)
1162		panic("auvia_trigger_input: request with bad start "
1163			"address (%p)", start);
1164
1165	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
1166		return 1;
1167	}
1168
1169	ch->sc_intr = intr;
1170	ch->sc_arg = arg;
1171
1172	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
1173		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
1174
1175	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
1176		CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
1177		CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
1178		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
1179			AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
1180			AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
1181	} else {
1182		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
1183		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
1184	}
1185
1186	return 0;
1187}
1188
1189static int
1190auvia_intr(void *arg)
1191{
1192	struct auvia_softc *sc;
1193	struct auvia_softc_chan *ch;
1194	u_int8_t r;
1195	int rval;
1196
1197	sc = arg;
1198	rval = 0;
1199	ch = &sc->sc_record;
1200
1201	mutex_spin_enter(&sc->sc_intr_lock);
1202	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1203	if (r & AUVIA_RPSTAT_INTR) {
1204		if (sc->sc_record.sc_intr)
1205			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
1206
1207		/* clear interrupts */
1208		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1209		rval = 1;
1210	}
1211
1212	ch = &sc->sc_play;
1213	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
1214	if (r & AUVIA_RPSTAT_INTR) {
1215		if (sc->sc_play.sc_intr)
1216			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
1217
1218		/* clear interrupts */
1219		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
1220		rval = 1;
1221	}
1222	mutex_spin_exit(&sc->sc_intr_lock);
1223
1224	return rval;
1225}
1226
1227static bool
1228auvia_resume(device_t dv, const pmf_qual_t *qual)
1229{
1230	struct auvia_softc *sc = device_private(dv);
1231
1232	mutex_enter(&sc->sc_lock);
1233	mutex_spin_enter(&sc->sc_intr_lock);
1234	auvia_reset_codec(sc);
1235	DELAY(1000);
1236	mutex_spin_exit(&sc->sc_intr_lock);
1237	(sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1238	mutex_exit(&sc->sc_lock);
1239
1240	return true;
1241}
1242