1/*	$OpenBSD: auvia.c,v 1.67 2024/04/13 23:44:11 jsg Exp $ */
2/*	$NetBSD: auvia.c,v 1.28 2002/11/04 16:38:49 kent Exp $	*/
3
4/*-
5 * Copyright (c) 2000 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Tyler C. Sarna
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * VIA Technologies VT82C686A Southbridge Audio Driver
35 *
36 * Documentation links:
37 *
38 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/malloc.h>
44#include <sys/device.h>
45#include <sys/audioio.h>
46
47#include <dev/pci/pcidevs.h>
48#include <dev/pci/pcivar.h>
49
50#include <dev/audio_if.h>
51
52#include <dev/ic/ac97.h>
53
54#include <dev/pci/auviavar.h>
55
56struct auvia_dma {
57	struct auvia_dma *next;
58	caddr_t addr;
59	size_t size;
60	bus_dmamap_t map;
61	bus_dma_segment_t seg;
62};
63
64struct auvia_dma_op {
65	u_int32_t ptr;
66	u_int32_t flags;
67#define AUVIA_DMAOP_EOL		0x80000000
68#define AUVIA_DMAOP_FLAG	0x40000000
69#define AUVIA_DMAOP_STOP	0x20000000
70#define AUVIA_DMAOP_COUNT(x)	((x)&0x00FFFFFF)
71};
72
73int	auvia_match(struct device *, void *, void *);
74void	auvia_attach(struct device *, struct device *, void *);
75int	auvia_open(void *, int);
76void	auvia_close(void *);
77void	auvia_set_params_sub(struct auvia_softc *, struct auvia_softc_chan *,
78	struct audio_params *);
79int	auvia_set_params(void *, int, int, struct audio_params *,
80	struct audio_params *);
81int	auvia_round_blocksize(void *, int);
82int	auvia_halt_output(void *);
83int	auvia_halt_input(void *);
84int	auvia_set_port(void *, mixer_ctrl_t *);
85int	auvia_get_port(void *, mixer_ctrl_t *);
86int	auvia_query_devinfo(void *, mixer_devinfo_t *);
87void *	auvia_malloc(void *, int, size_t, int, int);
88void	auvia_free(void *, void *, int);
89size_t	auvia_round_buffersize(void *, int, size_t);
90int	auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *,
91	struct auvia_dma *, void *, void *, int);
92int	auvia_trigger_output(void *, void *, void *, int, void (*)(void *),
93	void *, struct audio_params *);
94int	auvia_trigger_input(void *, void *, void *, int, void (*)(void *),
95	void *, struct audio_params *);
96
97int	auvia_intr(void *);
98
99int	auvia_activate(struct device *, int);
100
101struct  cfdriver auvia_cd = {
102	NULL, "auvia", DV_DULL
103};
104
105const struct cfattach auvia_ca = {
106	sizeof (struct auvia_softc), auvia_match, auvia_attach,
107	    NULL, auvia_activate
108};
109
110#define AUVIA_PCICONF_JUNK	0x40
111#define		AUVIA_PCICONF_ENABLES	 0x00FF0000	/* reg 42 mask */
112#define		AUVIA_PCICONF_ACLINKENAB 0x00008000	/* ac link enab */
113#define		AUVIA_PCICONF_ACNOTRST	 0x00004000	/* ~(ac reset) */
114#define		AUVIA_PCICONF_ACSYNC	 0x00002000	/* ac sync */
115#define		AUVIA_PCICONF_ACVSR	 0x00000800	/* var. samp. rate */
116#define		AUVIA_PCICONF_ACSGD	 0x00000400	/* SGD enab */
117#define		AUVIA_PCICONF_ACFM	 0x00000200	/* FM enab */
118#define		AUVIA_PCICONF_ACSB	 0x00000100	/* SB enab */
119#define		AUVIA_PCICONF_PRIVALID	 0x00000001	/* primary codec rdy */
120
121#define AUVIA_PLAY_BASE			0x00
122#define AUVIA_RECORD_BASE		0x10
123
124/* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
125#define	AUVIA_RP_STAT			0x00
126#define		AUVIA_RPSTAT_INTR		0x03
127#define AUVIA_RP_CONTROL		0x01
128#define		AUVIA_RPCTRL_START		0x80
129#define		AUVIA_RPCTRL_TERMINATE		0x40
130#define		AUVIA_RPCTRL_AUTOSTART		0x20
131/* The following are 8233 specific */
132#define		AUVIA_RPCTRL_STOP		0x04
133#define		AUVIA_RPCTRL_EOL		0x02
134#define		AUVIA_RPCTRL_FLAG		0x01
135#define	AUVIA_RP_MODE			0x02		/* 82c686 specific */
136#define		AUVIA_RPMODE_INTR_FLAG		0x01
137#define		AUVIA_RPMODE_INTR_EOL		0x02
138#define		AUVIA_RPMODE_STEREO		0x10
139#define		AUVIA_RPMODE_16BIT		0x20
140#define		AUVIA_RPMODE_AUTOSTART		0x80
141#define	AUVIA_RP_DMAOPS_BASE		0x04
142
143#define	VIA8233_RP_DXS_LVOL		0x02
144#define	VIA8233_RP_DXS_RVOL		0x03
145#define	VIA8233_RP_RATEFMT		0x08
146#define		VIA8233_RATEFMT_48K	0xfffff
147#define		VIA8233_RATEFMT_STEREO	0x00100000
148#define		VIA8233_RATEFMT_16BIT	0x00200000
149
150#define VIA_RP_DMAOPS_COUNT		0x0c
151
152#define VIA8233_MP_BASE			0x40
153	/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
154#define VIA8233_OFF_MP_FORMAT		0x02
155#define		VIA8233_MP_FORMAT_8BIT		0x00
156#define		VIA8233_MP_FORMAT_16BIT		0x80
157#define		VIA8233_MP_FORMAT_CHANNLE_MASK	0x70 /* 1, 2, 4, 6 */
158#define VIA8233_OFF_MP_SCRATCH		0x03
159#define VIA8233_OFF_MP_STOP		0x08
160
161#define VIA8233_WR_BASE			0x60
162
163#define	AUVIA_CODEC_CTL			0x80
164#define		AUVIA_CODEC_READ		0x00800000
165#define		AUVIA_CODEC_BUSY		0x01000000
166#define		AUVIA_CODEC_PRIVALID		0x02000000
167#define		AUVIA_CODEC_INDEX(x)		((x)<<16)
168
169#define CH_WRITE1(sc, ch, off, v)	\
170	bus_space_write_1((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
171#define CH_WRITE4(sc, ch, off, v)	\
172	bus_space_write_4((sc)->sc_iot,	(sc)->sc_ioh, (ch)->sc_base + (off), v)
173#define CH_READ1(sc, ch, off)		\
174	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
175#define CH_READ4(sc, ch, off)		\
176	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
177
178#define TIMEOUT	50
179
180const struct audio_hw_if auvia_hw_if = {
181	.open = auvia_open,
182	.close = auvia_close,
183	.set_params = auvia_set_params,
184	.round_blocksize = auvia_round_blocksize,
185	.halt_output = auvia_halt_output,
186	.halt_input = auvia_halt_input,
187	.set_port = auvia_set_port,
188	.get_port = auvia_get_port,
189	.query_devinfo = auvia_query_devinfo,
190	.allocm = auvia_malloc,
191	.freem = auvia_free,
192	.round_buffersize = auvia_round_buffersize,
193	.trigger_output = auvia_trigger_output,
194	.trigger_input = auvia_trigger_input,
195};
196
197int	auvia_attach_codec(void *, struct ac97_codec_if *);
198int	auvia_write_codec(void *, u_int8_t, u_int16_t);
199int	auvia_read_codec(void *, u_int8_t, u_int16_t *);
200void	auvia_reset_codec(void *);
201int	auvia_waitready_codec(struct auvia_softc *sc);
202int	auvia_waitvalid_codec(struct auvia_softc *sc);
203void	auvia_spdif_event(void *, int);
204
205void	auvia_resume(struct auvia_softc *);
206
207const struct pci_matchid auvia_devices[] = {
208	{ PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT82C686A_AC97 },
209	{ PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT8233_AC97 },
210};
211
212int
213auvia_match(struct device *parent, void *match, void *aux)
214{
215	return (pci_matchbyid((struct pci_attach_args *)aux, auvia_devices,
216	    nitems(auvia_devices)));
217}
218
219int
220auvia_activate(struct device *self, int act)
221{
222	struct auvia_softc *sc = (struct auvia_softc *)self;
223
224	if (act == DVACT_RESUME)
225		auvia_resume(sc);
226	return (config_activate_children(self, act));
227}
228
229void
230auvia_attach(struct device *parent, struct device *self, void *aux)
231{
232	struct pci_attach_args *pa = aux;
233	struct auvia_softc *sc = (struct auvia_softc *) self;
234	const char *intrstr = NULL;
235	struct mixer_ctrl ctl;
236	pci_chipset_tag_t pc = pa->pa_pc;
237	pcitag_t pt = pa->pa_tag;
238	pci_intr_handle_t ih;
239	bus_size_t iosize;
240	pcireg_t pr;
241	int r, i;
242
243	sc->sc_play.sc_base = AUVIA_PLAY_BASE;
244	sc->sc_record.sc_base = AUVIA_RECORD_BASE;
245	if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
246		sc->sc_flags |= AUVIA_FLAGS_VT8233;
247		sc->sc_play.sc_base = VIA8233_MP_BASE;
248		sc->sc_record.sc_base = VIA8233_WR_BASE;
249	}
250
251	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
252	    &sc->sc_ioh, NULL, &iosize, 0)) {
253		printf(": can't map i/o space\n");
254		return;
255	}
256
257	sc->sc_dmat = pa->pa_dmat;
258	sc->sc_pc = pc;
259	sc->sc_pt = pt;
260
261	if (pci_intr_map(pa, &ih)) {
262		printf(": couldn't map interrupt\n");
263		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
264		return;
265	}
266	intrstr = pci_intr_string(pc, ih);
267
268	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE,
269	    auvia_intr, sc, sc->sc_dev.dv_xname);
270	if (sc->sc_ih == NULL) {
271		printf(": couldn't establish interrupt");
272		if (intrstr != NULL)
273			printf(" at %s", intrstr);
274		printf("\n");
275		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
276		return;
277	}
278
279	printf(": %s\n", intrstr);
280
281	/* disable SBPro compat & others */
282	pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
283
284	pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
285	/* XXX what to do about MIDI, FM, joystick? */
286
287	pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST |
288	    AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
289
290	pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
291
292	pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
293	sc->sc_pci_junk = pr;
294
295	sc->host_if.arg = sc;
296	sc->host_if.attach = auvia_attach_codec;
297	sc->host_if.read = auvia_read_codec;
298	sc->host_if.write = auvia_write_codec;
299	sc->host_if.reset = auvia_reset_codec;
300	sc->host_if.spdif_event = auvia_spdif_event;
301
302	if ((r = ac97_attach(&sc->host_if)) != 0) {
303		printf("%s: can't attach codec (error 0x%X)\n",
304		    sc->sc_dev.dv_xname, r);
305		pci_intr_disestablish(pc, sc->sc_ih);
306		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
307		return;
308	}
309
310	/* disable mutes */
311	for (i = 0; i < 4; i++) {
312		static struct {
313			char *class, *device;
314		} d[] = {
315			{ AudioCoutputs, AudioNmaster},
316			{ AudioCinputs, AudioNdac},
317			{ AudioCinputs, AudioNcd},
318			{ AudioCrecord, AudioNvolume},
319		};
320
321		ctl.type = AUDIO_MIXER_ENUM;
322		ctl.un.ord = 0;
323
324		ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if,
325		    d[i].class, d[i].device, AudioNmute);
326		auvia_set_port(sc, &ctl);
327	}
328
329	/* set a reasonable default volume */
330
331	ctl.type = AUDIO_MIXER_VALUE;
332	ctl.un.value.num_channels = 2;
333	ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \
334	ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199;
335
336	ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if,
337	    AudioCoutputs, AudioNmaster, NULL);
338	auvia_set_port(sc, &ctl);
339
340	audio_attach_mi(&auvia_hw_if, sc, NULL, &sc->sc_dev);
341	sc->codec_if->vtbl->unlock(sc->codec_if);
342}
343
344
345int
346auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
347{
348	struct auvia_softc *sc = addr;
349
350	sc->codec_if = cif;
351
352	return 0;
353}
354
355
356void
357auvia_reset_codec(void *addr)
358{
359	int i;
360	struct auvia_softc *sc = addr;
361	pcireg_t r;
362
363	/* perform a codec cold reset */
364
365	r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
366
367	r &= ~AUVIA_PCICONF_ACNOTRST;	/* enable RESET (active low) */
368	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
369	delay(2);
370
371	r |= AUVIA_PCICONF_ACNOTRST;	/* disable RESET (inactive high) */
372	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
373	delay(200);
374
375	for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
376		AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
377		DELAY(1);
378	if (i == 0)
379		printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
380}
381
382
383int
384auvia_waitready_codec(struct auvia_softc *sc)
385{
386	int i;
387
388	/* poll until codec not busy */
389	for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
390	     AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
391		delay(1);
392
393	if (i >= TIMEOUT) {
394		printf("%s: codec busy\n", sc->sc_dev.dv_xname);
395		return 1;
396	}
397
398	return 0;
399}
400
401
402int
403auvia_waitvalid_codec(struct auvia_softc *sc)
404{
405	int i;
406
407	/* poll until codec valid */
408	for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
409	     AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
410		delay(1);
411
412	if (i >= TIMEOUT) {
413		printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
414		return 1;
415	}
416
417	return 0;
418}
419
420
421int
422auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
423{
424	struct auvia_softc *sc = addr;
425
426	if (auvia_waitready_codec(sc))
427		return 1;
428
429	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
430	    AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
431
432	return 0;
433}
434
435
436int
437auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
438{
439	struct auvia_softc *sc = addr;
440
441	if (auvia_waitready_codec(sc))
442		return 1;
443
444	bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
445	    AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
446
447	if (auvia_waitready_codec(sc))
448		return 1;
449
450	if (auvia_waitvalid_codec(sc))
451		return 1;
452
453	*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
454
455	return 0;
456}
457
458
459void
460auvia_spdif_event(void *addr, int flag)
461{
462	struct auvia_softc *sc = addr;
463	sc->sc_spdif = flag;
464}
465
466int
467auvia_open(void *addr, int flags)
468{
469	struct auvia_softc *sc = addr;
470	sc->codec_if->vtbl->lock(sc->codec_if);
471	return 0;
472}
473
474
475void
476auvia_close(void *addr)
477{
478	struct auvia_softc *sc = addr;
479	sc->codec_if->vtbl->unlock(sc->codec_if);
480
481	/* XXX: already called by audio_close() */
482	auvia_halt_output(sc);
483	auvia_halt_input(sc);
484
485	sc->sc_play.sc_intr = NULL;
486	sc->sc_record.sc_intr = NULL;
487}
488
489
490void
491auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
492		     struct audio_params *p)
493{
494	u_int32_t v;
495	u_int16_t regval;
496
497	if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
498		regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
499			| (p->precision == 16 ?
500				AUVIA_RPMODE_16BIT : 0)
501			| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
502			| AUVIA_RPMODE_AUTOSTART;
503		ch->sc_reg = regval;
504	} else if (ch->sc_base != VIA8233_MP_BASE) {
505		v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
506		v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
507			| VIA8233_RATEFMT_16BIT);
508
509		v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
510			/ (48000 / 20);
511		if (p->channels == 2)
512			v |= VIA8233_RATEFMT_STEREO;
513		if (p->precision == 16)
514			v |= VIA8233_RATEFMT_16BIT;
515
516		CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
517	} else {
518		static const u_int32_t slottab[7] =
519			{ 0, 0xff000011, 0xff000021, 0,
520			  0xff004321, 0, 0xff436521};
521
522		regval = (p->precision == 16
523			? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
524			| (p->channels << 4);
525		CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
526		CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
527	}
528}
529
530int
531auvia_set_params(void *addr, int setmode, int usemode,
532    struct audio_params *play, struct audio_params *rec)
533{
534	struct auvia_softc *sc = addr;
535	struct auvia_softc_chan *ch;
536	struct audio_params *p;
537	struct ac97_codec_if* codec = sc->codec_if;
538	int reg, mode;
539	u_int16_t ext_id;
540
541	/* for mode in (RECORD, PLAY) */
542	for (mode = AUMODE_RECORD; mode != -1;
543	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
544		if ((setmode & mode) == 0)
545			continue;
546
547		if (mode == AUMODE_PLAY) {
548			p = play;
549			ch = &sc->sc_play;
550			reg = AC97_REG_PCM_FRONT_DAC_RATE;
551		} else {
552			p = rec;
553			ch = &sc->sc_record;
554			reg = AC97_REG_PCM_LR_ADC_RATE;
555		}
556
557		if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) {
558			ext_id = codec->vtbl->get_caps(codec);
559			if (p->channels == 1) {
560				/* ok */
561			} else if (p->channels == 2) {
562				/* ok */
563			} else if (p->channels == 4
564				&& ext_id & AC97_EXT_AUDIO_SDAC) {
565				/* ok */
566			} else if (p->channels == 6
567				&& (ext_id & AC97_BITS_6CH) == AC97_BITS_6CH) {
568				/* ok */
569			} else {
570				p->channels = 2;
571			}
572		} else {
573			if (p->channels > 2)
574				p->channels = 2;
575		}
576
577		if (p->sample_rate < 4000)
578			p->sample_rate = 4000;
579		if (p->sample_rate > 48000)
580			p->sample_rate = 48000;
581		if (p->precision > 16)
582			p->precision = 16;
583
584		/* XXX only 16-bit 48kHz slinear_le if s/pdif enabled ? */
585		if (sc->sc_spdif) {
586			p->sample_rate = 48000;
587			p->precision = 16;
588			p->encoding = AUDIO_ENCODING_SLINEAR_LE;
589		}
590
591		/* XXX only 16-bit 48kHz slinear_le if s/pdif enabled ? */
592		if (sc->sc_spdif &&
593		    ((p->sample_rate != 48000) || (p->precision != 16) ||
594		    (p->encoding != AUDIO_ENCODING_SLINEAR_LE)))
595			return (EINVAL);
596
597		if (AC97_IS_FIXED_RATE(codec)) {
598 			p->sample_rate = AC97_SINGLE_RATE;
599 		} else {
600			if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
601				return (EINVAL);
602
603			if (ch->sc_base == VIA8233_MP_BASE &&
604			    mode == AUMODE_PLAY) {
605				reg = AC97_REG_PCM_SURR_DAC_RATE;
606				if (p->channels >= 4
607				    && codec->vtbl->set_rate(codec, reg,
608				    &p->sample_rate))
609					return (EINVAL);
610				reg = AC97_REG_PCM_LFE_DAC_RATE;
611				if (p->channels == 6
612				    && codec->vtbl->set_rate(codec, reg,
613				    &p->sample_rate))
614 					return (EINVAL);
615			}
616 		}
617
618		switch (p->encoding) {
619		case AUDIO_ENCODING_SLINEAR_LE:
620			if (p->precision != 16)
621				return EINVAL;
622			break;
623		case AUDIO_ENCODING_ULINEAR_LE:
624		case AUDIO_ENCODING_ULINEAR_BE:
625			if (p->precision != 8)
626				return EINVAL;
627			break;
628		default:
629			return (EINVAL);
630		}
631		auvia_set_params_sub(sc, ch, p);
632
633		p->bps = AUDIO_BPS(p->precision);
634		p->msb = 1;
635	}
636
637	return 0;
638}
639
640
641int
642auvia_round_blocksize(void *addr, int blk)
643{
644	struct auvia_softc *sc = addr;
645
646	if (sc->bufsize / blk > AUVIA_DMALIST_MAX)
647		blk = sc->bufsize / AUVIA_DMALIST_MAX + 1;
648	return ((blk + 31) & -32);
649}
650
651
652int
653auvia_halt_output(void *addr)
654{
655	struct auvia_softc *sc = addr;
656	struct auvia_softc_chan *ch = &(sc->sc_play);
657
658	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
659	ch->sc_intr = NULL;
660	return 0;
661}
662
663
664int
665auvia_halt_input(void *addr)
666{
667	struct auvia_softc *sc = addr;
668	struct auvia_softc_chan *ch = &(sc->sc_record);
669
670	CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
671	ch->sc_intr = NULL;
672	return 0;
673}
674
675
676int
677auvia_set_port(void *addr, mixer_ctrl_t *cp)
678{
679	struct auvia_softc *sc = addr;
680
681	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
682}
683
684
685int
686auvia_get_port(void *addr, mixer_ctrl_t *cp)
687{
688	struct auvia_softc *sc = addr;
689
690	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
691}
692
693
694int
695auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
696{
697	struct auvia_softc *sc = addr;
698
699	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
700}
701
702
703void *
704auvia_malloc(void *addr, int direction, size_t size, int pool, int flags)
705{
706	struct auvia_softc *sc = addr;
707	struct auvia_dma *p;
708	int error;
709	int rseg;
710
711	p = malloc(sizeof(*p), pool, flags);
712	if (!p)
713		return 0;
714
715	p->size = size;
716	if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
717	    1, &rseg, BUS_DMA_NOWAIT)) != 0) {
718		printf("%s: unable to allocate dma, error = %d\n",
719		    sc->sc_dev.dv_xname, error);
720		goto fail_alloc;
721	}
722
723	if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
724	    BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
725		printf("%s: unable to map dma, error = %d\n",
726		    sc->sc_dev.dv_xname, error);
727		goto fail_map;
728	}
729
730	if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
731	    BUS_DMA_NOWAIT, &p->map)) != 0) {
732		printf("%s: unable to create dma map, error = %d\n",
733		    sc->sc_dev.dv_xname, error);
734		goto fail_create;
735	}
736
737	if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
738	    BUS_DMA_NOWAIT)) != 0) {
739		printf("%s: unable to load dma map, error = %d\n",
740		    sc->sc_dev.dv_xname, error);
741		goto fail_load;
742	}
743
744	p->next = sc->sc_dmas;
745	sc->sc_dmas = p;
746
747	return p->addr;
748
749
750fail_load:
751	bus_dmamap_destroy(sc->sc_dmat, p->map);
752fail_create:
753	bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
754fail_map:
755	bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
756fail_alloc:
757	free(p, pool, sizeof(*p));
758	return 0;
759}
760
761
762void
763auvia_free(void *addr, void *ptr, int pool)
764{
765	struct auvia_softc *sc = addr;
766	struct auvia_dma **pp, *p;
767
768	for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
769		if (p->addr == ptr) {
770			bus_dmamap_unload(sc->sc_dmat, p->map);
771			bus_dmamap_destroy(sc->sc_dmat, p->map);
772			bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
773			bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
774
775			*pp = p->next;
776			free(p, pool, sizeof(*p));
777			return;
778		}
779
780	panic("auvia_free: trying to free unallocated memory");
781}
782
783size_t
784auvia_round_buffersize(void *addr, int direction, size_t bufsize)
785{
786	struct auvia_softc *sc = addr;
787
788	sc->bufsize = bufsize;
789	return bufsize;
790}
791
792
793int
794auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
795    struct auvia_dma *p, void *start, void *end, int blksize)
796{
797	struct auvia_dma_op *op;
798	struct auvia_dma *dp;
799	bus_addr_t s;
800	size_t l;
801	int segs;
802
803	s = p->map->dm_segs[0].ds_addr;
804	l = (vaddr_t)end - (vaddr_t)start;
805	segs = howmany(l, blksize);
806	if (segs > AUVIA_DMALIST_MAX) {
807		panic("%s: build_dma_ops: too many DMA segments",
808			    sc->sc_dev.dv_xname);
809	}
810
811	if (segs > ch->sc_dma_op_count) {
812		/* if old list was too small, free it */
813		if (ch->sc_dma_ops)
814			auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
815
816		ch->sc_dma_ops = auvia_malloc(sc, 0,
817		    sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
818
819		for (dp = sc->sc_dmas; dp &&
820		     dp->addr != (void *)(ch->sc_dma_ops); dp = dp->next)
821			;
822
823		if (!dp)
824			panic("%s: build_dma_ops: where'd my memory go??? "
825			    "address (%p)", sc->sc_dev.dv_xname,
826			    ch->sc_dma_ops);
827
828		ch->sc_dma_op_count = segs;
829		ch->sc_dma_ops_dma = dp;
830	}
831
832	op = ch->sc_dma_ops;
833
834	while (l) {
835		op->ptr = htole32(s);
836		l = l - min(l, blksize);
837		/* if last block */
838		op->flags = htole32((l? AUVIA_DMAOP_FLAG : AUVIA_DMAOP_EOL) | blksize);
839		s += blksize;
840		op++;
841	}
842
843	return 0;
844}
845
846
847int
848auvia_trigger_output(void *addr, void *start, void *end, int blksize,
849    void (*intr)(void *), void *arg, struct audio_params *param)
850{
851	struct auvia_softc *sc = addr;
852	struct auvia_softc_chan *ch = &(sc->sc_play);
853	struct auvia_dma *p;
854
855	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
856		;
857
858	if (!p)
859		panic("auvia_trigger_output: request with bad start "
860		    "address (%p)", start);
861
862	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
863		return 1;
864	}
865
866	ch->sc_intr = intr;
867	ch->sc_arg = arg;
868
869	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
870	    ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
871	mtx_enter(&audio_lock);
872	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
873		if (ch->sc_base != VIA8233_MP_BASE) {
874			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
875			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
876		}
877		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
878		    AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
879		    AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
880	} else {
881		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
882		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
883	}
884	mtx_leave(&audio_lock);
885	return 0;
886}
887
888
889int
890auvia_trigger_input(void *addr, void *start, void *end, int blksize,
891    void (*intr)(void *), void *arg, struct audio_params *param)
892{
893	struct auvia_softc *sc = addr;
894	struct auvia_softc_chan *ch = &(sc->sc_record);
895	struct auvia_dma *p;
896
897	for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
898		;
899
900	if (!p)
901		panic("auvia_trigger_input: request with bad start "
902		    "address (%p)", start);
903
904	if (auvia_build_dma_ops(sc, ch, p, start, end, blksize))
905		return 1;
906
907	ch->sc_intr = intr;
908	ch->sc_arg = arg;
909
910	CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
911		  ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
912
913	mtx_enter(&audio_lock);
914	if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
915		if (ch->sc_base != VIA8233_MP_BASE) {
916			CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
917			CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
918		}
919		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
920		    AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
921		    AUVIA_RPCTRL_STOP  | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
922	} else {
923		CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
924		CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
925	}
926	mtx_leave(&audio_lock);
927	return 0;
928}
929
930
931int
932auvia_intr(void *arg)
933{
934	struct auvia_softc *sc = arg;
935	struct auvia_softc_chan *ch;
936	u_int8_t r;
937	int i = 0;
938
939	mtx_enter(&audio_lock);
940	ch = &sc->sc_record;
941	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
942	if (r & AUVIA_RPSTAT_INTR) {
943		if (sc->sc_record.sc_intr)
944			sc->sc_record.sc_intr(sc->sc_record.sc_arg);
945
946		/* clear interrupts */
947		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
948
949		i++;
950	}
951	ch = &sc->sc_play;
952	r = CH_READ1(sc, ch, AUVIA_RP_STAT);
953	if (r & AUVIA_RPSTAT_INTR) {
954		if (sc->sc_play.sc_intr)
955			sc->sc_play.sc_intr(sc->sc_play.sc_arg);
956
957		/* clear interrupts */
958		CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
959
960		i++;
961	}
962	mtx_leave(&audio_lock);
963	return (i? 1 : 0);
964}
965
966void
967auvia_resume(struct auvia_softc *sc)
968{
969	pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
970	pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK,
971	    sc->sc_pci_junk);
972
973	ac97_resume(&sc->host_if, sc->codec_if);
974}
975
976