1/*-
2 * Copyright (c) 2014-2016 Jared D. McNeill <jmcneill@invisible.ca>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
21 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * Allwinner A10/A20 and H3 Audio Codec
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/bus.h>
34#include <sys/rman.h>
35#include <sys/condvar.h>
36#include <sys/kernel.h>
37#include <sys/module.h>
38#include <sys/gpio.h>
39
40#include <machine/bus.h>
41
42#include <dev/sound/pcm/sound.h>
43
44#include <dev/ofw/ofw_bus.h>
45#include <dev/ofw/ofw_bus_subr.h>
46
47#include <dev/gpio/gpiobusvar.h>
48
49#include <dev/clk/clk.h>
50#include <dev/hwreset/hwreset.h>
51
52#include "sunxi_dma_if.h"
53#include "mixer_if.h"
54
55struct a10codec_info;
56
57struct a10codec_config {
58	/* mixer class */
59	struct kobj_class *mixer_class;
60
61	/* toggle DAC/ADC mute */
62	void		(*mute)(struct a10codec_info *, int, int);
63
64	/* DRQ types */
65	u_int		drqtype_codec;
66	u_int		drqtype_sdram;
67
68	/* register map */
69	bus_size_t	DPC,
70			DAC_FIFOC,
71			DAC_FIFOS,
72			DAC_TXDATA,
73			ADC_FIFOC,
74			ADC_FIFOS,
75			ADC_RXDATA,
76			DAC_CNT,
77			ADC_CNT;
78};
79
80#define	TX_TRIG_LEVEL	0xf
81#define	RX_TRIG_LEVEL	0x7
82#define	DRQ_CLR_CNT	0x3
83
84#define	AC_DAC_DPC(_sc)		((_sc)->cfg->DPC)
85#define	 DAC_DPC_EN_DA			0x80000000
86#define	AC_DAC_FIFOC(_sc)	((_sc)->cfg->DAC_FIFOC)
87#define	 DAC_FIFOC_FS_SHIFT		29
88#define	 DAC_FIFOC_FS_MASK		(7U << DAC_FIFOC_FS_SHIFT)
89#define	  DAC_FS_48KHZ			0
90#define	  DAC_FS_32KHZ			1
91#define	  DAC_FS_24KHZ			2
92#define	  DAC_FS_16KHZ			3
93#define	  DAC_FS_12KHZ			4
94#define	  DAC_FS_8KHZ			5
95#define	  DAC_FS_192KHZ			6
96#define	  DAC_FS_96KHZ			7
97#define	 DAC_FIFOC_FIFO_MODE_SHIFT	24
98#define	 DAC_FIFOC_FIFO_MODE_MASK	(3U << DAC_FIFOC_FIFO_MODE_SHIFT)
99#define	  FIFO_MODE_24_31_8		0
100#define	  FIFO_MODE_16_31_16		0
101#define	  FIFO_MODE_16_15_0		1
102#define	 DAC_FIFOC_DRQ_CLR_CNT_SHIFT	21
103#define	 DAC_FIFOC_DRQ_CLR_CNT_MASK	(3U << DAC_FIFOC_DRQ_CLR_CNT_SHIFT)
104#define	 DAC_FIFOC_TX_TRIG_LEVEL_SHIFT	8
105#define	 DAC_FIFOC_TX_TRIG_LEVEL_MASK	(0x7f << DAC_FIFOC_TX_TRIG_LEVEL_SHIFT)
106#define	 DAC_FIFOC_MONO_EN		(1U << 6)
107#define	 DAC_FIFOC_TX_BITS		(1U << 5)
108#define	 DAC_FIFOC_DRQ_EN		(1U << 4)
109#define	 DAC_FIFOC_FIFO_FLUSH		(1U << 0)
110#define	AC_DAC_FIFOS(_sc)	((_sc)->cfg->DAC_FIFOS)
111#define	AC_DAC_TXDATA(_sc)	((_sc)->cfg->DAC_TXDATA)
112#define	AC_ADC_FIFOC(_sc)	((_sc)->cfg->ADC_FIFOC)
113#define	 ADC_FIFOC_FS_SHIFT		29
114#define	 ADC_FIFOC_FS_MASK		(7U << ADC_FIFOC_FS_SHIFT)
115#define	  ADC_FS_48KHZ		0
116#define	 ADC_FIFOC_EN_AD		(1U << 28)
117#define	 ADC_FIFOC_RX_FIFO_MODE		(1U << 24)
118#define	 ADC_FIFOC_RX_TRIG_LEVEL_SHIFT	8
119#define	 ADC_FIFOC_RX_TRIG_LEVEL_MASK	(0x1f << ADC_FIFOC_RX_TRIG_LEVEL_SHIFT)
120#define	 ADC_FIFOC_MONO_EN		(1U << 7)
121#define	 ADC_FIFOC_RX_BITS		(1U << 6)
122#define	 ADC_FIFOC_DRQ_EN		(1U << 4)
123#define	 ADC_FIFOC_FIFO_FLUSH		(1U << 1)
124#define	AC_ADC_FIFOS(_sc)	((_sc)->cfg->ADC_FIFOS)
125#define	AC_ADC_RXDATA(_sc)	((_sc)->cfg->ADC_RXDATA)
126#define	AC_DAC_CNT(_sc)		((_sc)->cfg->DAC_CNT)
127#define	AC_ADC_CNT(_sc)		((_sc)->cfg->ADC_CNT)
128
129static uint32_t a10codec_fmt[] = {
130	SND_FORMAT(AFMT_S16_LE, 1, 0),
131	SND_FORMAT(AFMT_S16_LE, 2, 0),
132	0
133};
134
135static struct pcmchan_caps a10codec_pcaps = { 8000, 192000, a10codec_fmt, 0 };
136static struct pcmchan_caps a10codec_rcaps = { 8000, 48000, a10codec_fmt, 0 };
137
138struct a10codec_info;
139
140struct a10codec_chinfo {
141	struct snd_dbuf		*buffer;
142	struct pcm_channel	*channel;
143	struct a10codec_info	*parent;
144	bus_dmamap_t		dmamap;
145	void			*dmaaddr;
146	bus_addr_t		physaddr;
147	bus_size_t		fifo;
148	device_t		dmac;
149	void			*dmachan;
150
151	int			dir;
152	int			run;
153	uint32_t		pos;
154	uint32_t		format;
155	uint32_t		blocksize;
156	uint32_t		speed;
157};
158
159struct a10codec_info {
160	device_t		dev;
161	struct resource		*res[2];
162	struct mtx		*lock;
163	bus_dma_tag_t		dmat;
164	unsigned		dmasize;
165	void			*ih;
166
167	struct a10codec_config	*cfg;
168
169	struct a10codec_chinfo	play;
170	struct a10codec_chinfo	rec;
171};
172
173static struct resource_spec a10codec_spec[] = {
174	{ SYS_RES_MEMORY,	0,	RF_ACTIVE },
175	{ -1, 0 }
176};
177
178#define	CODEC_ANALOG_READ(sc, reg)		bus_read_4((sc)->res[1], (reg))
179#define	CODEC_ANALOG_WRITE(sc, reg, val)	bus_write_4((sc)->res[1], (reg), (val))
180
181#define	CODEC_READ(sc, reg)		bus_read_4((sc)->res[0], (reg))
182#define	CODEC_WRITE(sc, reg, val)	bus_write_4((sc)->res[0], (reg), (val))
183
184/*
185 * A10/A20 mixer interface
186 */
187
188#define	A10_DAC_ACTL	0x10
189#define	 A10_DACAREN			(1U << 31)
190#define	 A10_DACALEN			(1U << 30)
191#define	 A10_MIXEN			(1U << 29)
192#define	 A10_DACPAS			(1U << 8)
193#define	 A10_PAMUTE			(1U << 6)
194#define	 A10_PAVOL_SHIFT		0
195#define	 A10_PAVOL_MASK			(0x3f << A10_PAVOL_SHIFT)
196#define	A10_ADC_ACTL	0x28
197#define	 A10_ADCREN			(1U << 31)
198#define	 A10_ADCLEN			(1U << 30)
199#define	 A10_PREG1EN			(1U << 29)
200#define	 A10_PREG2EN			(1U << 28)
201#define	 A10_VMICEN			(1U << 27)
202#define	 A10_ADCG_SHIFT			20
203#define	 A10_ADCG_MASK			(7U << A10_ADCG_SHIFT)
204#define	 A10_ADCIS_SHIFT		17
205#define	 A10_ADCIS_MASK			(7U << A10_ADCIS_SHIFT)
206#define	  A10_ADC_IS_LINEIN			0
207#define	  A10_ADC_IS_FMIN			1
208#define	  A10_ADC_IS_MIC1			2
209#define	  A10_ADC_IS_MIC2			3
210#define	  A10_ADC_IS_MIC1_L_MIC2_R		4
211#define	  A10_ADC_IS_MIC1_LR_MIC2_LR		5
212#define	  A10_ADC_IS_OMIX			6
213#define	  A10_ADC_IS_LINEIN_L_MIC1_R		7
214#define	 A10_LNRDF			(1U << 16)
215#define	 A10_LNPREG_SHIFT		13
216#define	 A10_LNPREG_MASK		(7U << A10_LNPREG_SHIFT)
217#define	 A10_PA_EN			(1U << 4)
218#define	 A10_DDE			(1U << 3)
219
220static int
221a10_mixer_init(struct snd_mixer *m)
222{
223	struct a10codec_info *sc = mix_getdevinfo(m);
224	uint32_t val;
225
226	mix_setdevs(m, SOUND_MASK_VOLUME | SOUND_MASK_LINE | SOUND_MASK_RECLEV);
227	mix_setrecdevs(m, SOUND_MASK_LINE | SOUND_MASK_LINE1 | SOUND_MASK_MIC);
228
229	/* Unmute input source to PA */
230	val = CODEC_READ(sc, A10_DAC_ACTL);
231	val |= A10_PAMUTE;
232	CODEC_WRITE(sc, A10_DAC_ACTL, val);
233
234	/* Enable PA */
235	val = CODEC_READ(sc, A10_ADC_ACTL);
236	val |= A10_PA_EN;
237	CODEC_WRITE(sc, A10_ADC_ACTL, val);
238
239	return (0);
240}
241
242static const struct a10_mixer {
243	unsigned reg;
244	unsigned mask;
245	unsigned shift;
246} a10_mixers[SOUND_MIXER_NRDEVICES] = {
247	[SOUND_MIXER_VOLUME]	= { A10_DAC_ACTL, A10_PAVOL_MASK,
248				    A10_PAVOL_SHIFT },
249	[SOUND_MIXER_LINE]	= { A10_ADC_ACTL, A10_LNPREG_MASK,
250				    A10_LNPREG_SHIFT },
251	[SOUND_MIXER_RECLEV]	= { A10_ADC_ACTL, A10_ADCG_MASK,
252				    A10_ADCG_SHIFT },
253};
254
255static int
256a10_mixer_set(struct snd_mixer *m, unsigned dev, unsigned left,
257    unsigned right)
258{
259	struct a10codec_info *sc = mix_getdevinfo(m);
260	uint32_t val;
261	unsigned nvol, max;
262
263	max = a10_mixers[dev].mask >> a10_mixers[dev].shift;
264	nvol = (left * max) / 100;
265
266	val = CODEC_READ(sc, a10_mixers[dev].reg);
267	val &= ~a10_mixers[dev].mask;
268	val |= (nvol << a10_mixers[dev].shift);
269	CODEC_WRITE(sc, a10_mixers[dev].reg, val);
270
271	left = right = (left * 100) / max;
272	return (left | (right << 8));
273}
274
275static uint32_t
276a10_mixer_setrecsrc(struct snd_mixer *m, uint32_t src)
277{
278	struct a10codec_info *sc = mix_getdevinfo(m);
279	uint32_t val;
280
281	val = CODEC_READ(sc, A10_ADC_ACTL);
282
283	switch (src) {
284	case SOUND_MASK_LINE:	/* line-in */
285		val &= ~A10_ADCIS_MASK;
286		val |= (A10_ADC_IS_LINEIN << A10_ADCIS_SHIFT);
287		break;
288	case SOUND_MASK_MIC:	/* MIC1 */
289		val &= ~A10_ADCIS_MASK;
290		val |= (A10_ADC_IS_MIC1 << A10_ADCIS_SHIFT);
291		break;
292	case SOUND_MASK_LINE1:	/* MIC2 */
293		val &= ~A10_ADCIS_MASK;
294		val |= (A10_ADC_IS_MIC2 << A10_ADCIS_SHIFT);
295		break;
296	default:
297		break;
298	}
299
300	CODEC_WRITE(sc, A10_ADC_ACTL, val);
301
302	switch ((val & A10_ADCIS_MASK) >> A10_ADCIS_SHIFT) {
303	case A10_ADC_IS_LINEIN:
304		return (SOUND_MASK_LINE);
305	case A10_ADC_IS_MIC1:
306		return (SOUND_MASK_MIC);
307	case A10_ADC_IS_MIC2:
308		return (SOUND_MASK_LINE1);
309	default:
310		return (0);
311	}
312}
313
314static void
315a10_mute(struct a10codec_info *sc, int mute, int dir)
316{
317	uint32_t val;
318
319	if (dir == PCMDIR_PLAY) {
320		val = CODEC_READ(sc, A10_DAC_ACTL);
321		if (mute) {
322			/* Disable DAC analog l/r channels and output mixer */
323			val &= ~A10_DACAREN;
324			val &= ~A10_DACALEN;
325			val &= ~A10_DACPAS;
326		} else {
327			/* Enable DAC analog l/r channels and output mixer */
328			val |= A10_DACAREN;
329			val |= A10_DACALEN;
330			val |= A10_DACPAS;
331		}
332		CODEC_WRITE(sc, A10_DAC_ACTL, val);
333	} else {
334		val = CODEC_READ(sc, A10_ADC_ACTL);
335		if (mute) {
336			/* Disable ADC analog l/r channels, MIC1 preamp,
337			 * and VMIC pin voltage
338			 */
339			val &= ~A10_ADCREN;
340			val &= ~A10_ADCLEN;
341			val &= ~A10_PREG1EN;
342			val &= ~A10_VMICEN;
343		} else {
344			/* Enable ADC analog l/r channels, MIC1 preamp,
345			 * and VMIC pin voltage
346			 */
347			val |= A10_ADCREN;
348			val |= A10_ADCLEN;
349			val |= A10_PREG1EN;
350			val |= A10_VMICEN;
351		}
352		CODEC_WRITE(sc, A10_ADC_ACTL, val);
353	}
354}
355
356static kobj_method_t a10_mixer_methods[] = {
357	KOBJMETHOD(mixer_init,		a10_mixer_init),
358	KOBJMETHOD(mixer_set,		a10_mixer_set),
359	KOBJMETHOD(mixer_setrecsrc,	a10_mixer_setrecsrc),
360	KOBJMETHOD_END
361};
362MIXER_DECLARE(a10_mixer);
363
364/*
365 * H3 mixer interface
366 */
367
368#define	H3_PR_CFG		0x00
369#define	 H3_AC_PR_RST		(1 << 28)
370#define	 H3_AC_PR_RW		(1 << 24)
371#define	 H3_AC_PR_ADDR_SHIFT	16
372#define	 H3_AC_PR_ADDR_MASK	(0x1f << H3_AC_PR_ADDR_SHIFT)
373#define	 H3_ACDA_PR_WDAT_SHIFT	8
374#define	 H3_ACDA_PR_WDAT_MASK	(0xff << H3_ACDA_PR_WDAT_SHIFT)
375#define	 H3_ACDA_PR_RDAT_SHIFT	0
376#define	 H3_ACDA_PR_RDAT_MASK	(0xff << H3_ACDA_PR_RDAT_SHIFT)
377
378#define	H3_LOMIXSC		0x01
379#define	 H3_LOMIXSC_LDAC	(1 << 1)
380#define	H3_ROMIXSC		0x02
381#define	 H3_ROMIXSC_RDAC	(1 << 1)
382#define	H3_DAC_PA_SRC		0x03
383#define	 H3_DACAREN		(1 << 7)
384#define	 H3_DACALEN		(1 << 6)
385#define	 H3_RMIXEN		(1 << 5)
386#define	 H3_LMIXEN		(1 << 4)
387#define	H3_LINEIN_GCTR		0x05
388#define	 H3_LINEING_SHIFT	4
389#define	 H3_LINEING_MASK	(0x7 << H3_LINEING_SHIFT)
390#define	H3_MIC_GCTR		0x06
391#define	 H3_MIC1_GAIN_SHIFT	4
392#define	 H3_MIC1_GAIN_MASK	(0x7 << H3_MIC1_GAIN_SHIFT)
393#define	 H3_MIC2_GAIN_SHIFT	0
394#define	 H3_MIC2_GAIN_MASK	(0x7 << H3_MIC2_GAIN_SHIFT)
395#define	H3_PAEN_CTR		0x07
396#define	 H3_LINEOUTEN		(1 << 7)
397#define	H3_LINEOUT_VOLC		0x09
398#define	 H3_LINEOUTVOL_SHIFT	3
399#define	 H3_LINEOUTVOL_MASK	(0x1f << H3_LINEOUTVOL_SHIFT)
400#define	H3_MIC2G_LINEOUT_CTR	0x0a
401#define	 H3_LINEOUT_LSEL	(1 << 3)
402#define	 H3_LINEOUT_RSEL	(1 << 2)
403#define	H3_LADCMIXSC		0x0c
404#define	H3_RADCMIXSC		0x0d
405#define	 H3_ADCMIXSC_MIC1	(1 << 6)
406#define	 H3_ADCMIXSC_MIC2	(1 << 5)
407#define	 H3_ADCMIXSC_LINEIN	(1 << 2)
408#define	 H3_ADCMIXSC_OMIXER	(3 << 0)
409#define	H3_ADC_AP_EN		0x0f
410#define	 H3_ADCREN		(1 << 7)
411#define	 H3_ADCLEN		(1 << 6)
412#define	 H3_ADCG_SHIFT		0
413#define	 H3_ADCG_MASK		(0x7 << H3_ADCG_SHIFT)
414
415static u_int
416h3_pr_read(struct a10codec_info *sc, u_int addr)
417{
418	uint32_t val;
419
420	/* Read current value */
421	val = CODEC_ANALOG_READ(sc, H3_PR_CFG);
422
423	/* De-assert reset */
424	val |= H3_AC_PR_RST;
425	CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
426
427	/* Read mode */
428	val &= ~H3_AC_PR_RW;
429	CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
430
431	/* Set address */
432	val &= ~H3_AC_PR_ADDR_MASK;
433	val |= (addr << H3_AC_PR_ADDR_SHIFT);
434	CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
435
436	/* Read data */
437	return (CODEC_ANALOG_READ(sc , H3_PR_CFG) & H3_ACDA_PR_RDAT_MASK);
438}
439
440static void
441h3_pr_write(struct a10codec_info *sc, u_int addr, u_int data)
442{
443	uint32_t val;
444
445	/* Read current value */
446	val = CODEC_ANALOG_READ(sc, H3_PR_CFG);
447
448	/* De-assert reset */
449	val |= H3_AC_PR_RST;
450	CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
451
452	/* Set address */
453	val &= ~H3_AC_PR_ADDR_MASK;
454	val |= (addr << H3_AC_PR_ADDR_SHIFT);
455	CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
456
457	/* Write data */
458	val &= ~H3_ACDA_PR_WDAT_MASK;
459	val |= (data << H3_ACDA_PR_WDAT_SHIFT);
460	CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
461
462	/* Write mode */
463	val |= H3_AC_PR_RW;
464	CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
465}
466
467static void
468h3_pr_set_clear(struct a10codec_info *sc, u_int addr, u_int set, u_int clr)
469{
470	u_int old, new;
471
472	old = h3_pr_read(sc, addr);
473	new = set | (old & ~clr);
474	h3_pr_write(sc, addr, new);
475}
476
477static int
478h3_mixer_init(struct snd_mixer *m)
479{
480	int rid=1;
481	pcell_t reg[2];
482	phandle_t analogref;
483	struct a10codec_info *sc = mix_getdevinfo(m);
484
485	if (OF_getencprop(ofw_bus_get_node(sc->dev), "allwinner,codec-analog-controls",
486	    &analogref, sizeof(analogref)) <= 0) {
487		return (ENXIO);
488	}
489
490	if (OF_getencprop(OF_node_from_xref(analogref), "reg",
491	    reg, sizeof(reg)) <= 0) {
492		return (ENXIO);
493	}
494
495	sc->res[1] = bus_alloc_resource(sc->dev, SYS_RES_MEMORY, &rid, reg[0],
496	    reg[0]+reg[1], reg[1], RF_ACTIVE );
497
498	if (sc->res[1] == NULL) {
499		return (ENXIO);
500	}
501
502	mix_setdevs(m, SOUND_MASK_PCM | SOUND_MASK_VOLUME | SOUND_MASK_RECLEV |
503	    SOUND_MASK_MIC | SOUND_MASK_LINE | SOUND_MASK_LINE1);
504	mix_setrecdevs(m, SOUND_MASK_MIC | SOUND_MASK_LINE | SOUND_MASK_LINE1 |
505	    SOUND_MASK_IMIX);
506
507	pcm_setflags(sc->dev, pcm_getflags(sc->dev) | SD_F_SOFTPCMVOL);
508
509	/* Right & Left LINEOUT enable */
510	h3_pr_set_clear(sc, H3_PAEN_CTR, H3_LINEOUTEN, 0);
511	h3_pr_set_clear(sc, H3_MIC2G_LINEOUT_CTR,
512	    H3_LINEOUT_LSEL | H3_LINEOUT_RSEL, 0);
513
514	return (0);
515}
516
517static const struct h3_mixer {
518	unsigned reg;
519	unsigned mask;
520	unsigned shift;
521} h3_mixers[SOUND_MIXER_NRDEVICES] = {
522	[SOUND_MIXER_VOLUME]	= { H3_LINEOUT_VOLC, H3_LINEOUTVOL_MASK,
523				    H3_LINEOUTVOL_SHIFT },
524	[SOUND_MIXER_RECLEV]	= { H3_ADC_AP_EN, H3_ADCG_MASK,
525				    H3_ADCG_SHIFT },
526	[SOUND_MIXER_LINE]	= { H3_LINEIN_GCTR, H3_LINEING_MASK,
527				    H3_LINEING_SHIFT },
528	[SOUND_MIXER_MIC]	= { H3_MIC_GCTR, H3_MIC1_GAIN_MASK,
529				    H3_MIC1_GAIN_SHIFT },
530	[SOUND_MIXER_LINE1]	= { H3_MIC_GCTR, H3_MIC2_GAIN_MASK,
531				    H3_MIC2_GAIN_SHIFT },
532};
533
534static int
535h3_mixer_set(struct snd_mixer *m, unsigned dev, unsigned left,
536    unsigned right)
537{
538	struct a10codec_info *sc = mix_getdevinfo(m);
539	unsigned nvol, max;
540
541	max = h3_mixers[dev].mask >> h3_mixers[dev].shift;
542	nvol = (left * max) / 100;
543
544	h3_pr_set_clear(sc, h3_mixers[dev].reg,
545	    nvol << h3_mixers[dev].shift, h3_mixers[dev].mask);
546
547	left = right = (left * 100) / max;
548	return (left | (right << 8));
549}
550
551static uint32_t
552h3_mixer_setrecsrc(struct snd_mixer *m, uint32_t src)
553{
554	struct a10codec_info *sc = mix_getdevinfo(m);
555	uint32_t val;
556
557	val = 0;
558	src &= (SOUND_MASK_LINE | SOUND_MASK_MIC |
559	    SOUND_MASK_LINE1 | SOUND_MASK_IMIX);
560
561	if ((src & SOUND_MASK_LINE) != 0)	/* line-in */
562		val |= H3_ADCMIXSC_LINEIN;
563	if ((src & SOUND_MASK_MIC) != 0)	/* MIC1 */
564		val |= H3_ADCMIXSC_MIC1;
565	if ((src & SOUND_MASK_LINE1) != 0)	/* MIC2 */
566		val |= H3_ADCMIXSC_MIC2;
567	if ((src & SOUND_MASK_IMIX) != 0)	/* l/r output mixer */
568		val |= H3_ADCMIXSC_OMIXER;
569
570	h3_pr_write(sc, H3_LADCMIXSC, val);
571	h3_pr_write(sc, H3_RADCMIXSC, val);
572
573	return (src);
574}
575
576static void
577h3_mute(struct a10codec_info *sc, int mute, int dir)
578{
579	if (dir == PCMDIR_PLAY) {
580		if (mute) {
581			/* Mute DAC l/r channels to output mixer */
582			h3_pr_set_clear(sc, H3_LOMIXSC, 0, H3_LOMIXSC_LDAC);
583			h3_pr_set_clear(sc, H3_ROMIXSC, 0, H3_ROMIXSC_RDAC);
584			/* Disable DAC analog l/r channels and output mixer */
585			h3_pr_set_clear(sc, H3_DAC_PA_SRC,
586			    0, H3_DACAREN | H3_DACALEN | H3_RMIXEN | H3_LMIXEN);
587		} else {
588			/* Enable DAC analog l/r channels and output mixer */
589			h3_pr_set_clear(sc, H3_DAC_PA_SRC,
590			    H3_DACAREN | H3_DACALEN | H3_RMIXEN | H3_LMIXEN, 0);
591			/* Unmute DAC l/r channels to output mixer */
592			h3_pr_set_clear(sc, H3_LOMIXSC, H3_LOMIXSC_LDAC, 0);
593			h3_pr_set_clear(sc, H3_ROMIXSC, H3_ROMIXSC_RDAC, 0);
594		}
595	} else {
596		if (mute) {
597			/* Disable ADC analog l/r channels */
598			h3_pr_set_clear(sc, H3_ADC_AP_EN,
599			    0, H3_ADCREN | H3_ADCLEN);
600		} else {
601			/* Enable ADC analog l/r channels */
602			h3_pr_set_clear(sc, H3_ADC_AP_EN,
603			    H3_ADCREN | H3_ADCLEN, 0);
604		}
605	}
606}
607
608static kobj_method_t h3_mixer_methods[] = {
609	KOBJMETHOD(mixer_init,		h3_mixer_init),
610	KOBJMETHOD(mixer_set,		h3_mixer_set),
611	KOBJMETHOD(mixer_setrecsrc,	h3_mixer_setrecsrc),
612	KOBJMETHOD_END
613};
614MIXER_DECLARE(h3_mixer);
615
616/*
617 * Channel interface
618 */
619
620static void
621a10codec_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
622{
623	struct a10codec_chinfo *ch = arg;
624
625	if (error != 0)
626		return;
627
628	ch->physaddr = segs[0].ds_addr;
629}
630
631static void
632a10codec_transfer(struct a10codec_chinfo *ch)
633{
634	bus_addr_t src, dst;
635	int error;
636
637	if (ch->dir == PCMDIR_PLAY) {
638		src = ch->physaddr + ch->pos;
639		dst = ch->fifo;
640	} else {
641		src = ch->fifo;
642		dst = ch->physaddr + ch->pos;
643	}
644
645	error = SUNXI_DMA_TRANSFER(ch->dmac, ch->dmachan, src, dst,
646	    ch->blocksize);
647	if (error) {
648		ch->run = 0;
649		device_printf(ch->parent->dev, "DMA transfer failed: %d\n",
650		    error);
651	}
652}
653
654static void
655a10codec_dmaconfig(struct a10codec_chinfo *ch)
656{
657	struct a10codec_info *sc = ch->parent;
658	struct sunxi_dma_config conf;
659
660	memset(&conf, 0, sizeof(conf));
661	conf.src_width = conf.dst_width = 16;
662	conf.src_burst_len = conf.dst_burst_len = 4;
663
664	if (ch->dir == PCMDIR_PLAY) {
665		conf.dst_noincr = true;
666		conf.src_drqtype = sc->cfg->drqtype_sdram;
667		conf.dst_drqtype = sc->cfg->drqtype_codec;
668	} else {
669		conf.src_noincr = true;
670		conf.src_drqtype = sc->cfg->drqtype_codec;
671		conf.dst_drqtype = sc->cfg->drqtype_sdram;
672	}
673
674	SUNXI_DMA_SET_CONFIG(ch->dmac, ch->dmachan, &conf);
675}
676
677static void
678a10codec_dmaintr(void *priv)
679{
680	struct a10codec_chinfo *ch = priv;
681	unsigned bufsize;
682
683	bufsize = sndbuf_getsize(ch->buffer);
684
685	ch->pos += ch->blocksize;
686	if (ch->pos >= bufsize)
687		ch->pos -= bufsize;
688
689	if (ch->run) {
690		chn_intr(ch->channel);
691		a10codec_transfer(ch);
692	}
693}
694
695static unsigned
696a10codec_fs(struct a10codec_chinfo *ch)
697{
698	switch (ch->speed) {
699	case 48000:
700		return (DAC_FS_48KHZ);
701	case 24000:
702		return (DAC_FS_24KHZ);
703	case 12000:
704		return (DAC_FS_12KHZ);
705	case 192000:
706		return (DAC_FS_192KHZ);
707	case 32000:
708		return (DAC_FS_32KHZ);
709	case 16000:
710		return (DAC_FS_16KHZ);
711	case 8000:
712		return (DAC_FS_8KHZ);
713	case 96000:
714		return (DAC_FS_96KHZ);
715	default:
716		return (DAC_FS_48KHZ);
717	}
718}
719
720static void
721a10codec_start(struct a10codec_chinfo *ch)
722{
723	struct a10codec_info *sc = ch->parent;
724	uint32_t val;
725
726	ch->pos = 0;
727
728	if (ch->dir == PCMDIR_PLAY) {
729		/* Flush DAC FIFO */
730		CODEC_WRITE(sc, AC_DAC_FIFOC(sc), DAC_FIFOC_FIFO_FLUSH);
731
732		/* Clear DAC FIFO status */
733		CODEC_WRITE(sc, AC_DAC_FIFOS(sc),
734		    CODEC_READ(sc, AC_DAC_FIFOS(sc)));
735
736		/* Unmute output */
737		sc->cfg->mute(sc, 0, ch->dir);
738
739		/* Configure DAC DMA channel */
740		a10codec_dmaconfig(ch);
741
742		/* Configure DAC FIFO */
743		CODEC_WRITE(sc, AC_DAC_FIFOC(sc),
744		    (AFMT_CHANNEL(ch->format) == 1 ? DAC_FIFOC_MONO_EN : 0) |
745		    (a10codec_fs(ch) << DAC_FIFOC_FS_SHIFT) |
746		    (FIFO_MODE_16_15_0 << DAC_FIFOC_FIFO_MODE_SHIFT) |
747		    (DRQ_CLR_CNT << DAC_FIFOC_DRQ_CLR_CNT_SHIFT) |
748		    (TX_TRIG_LEVEL << DAC_FIFOC_TX_TRIG_LEVEL_SHIFT));
749
750		/* Enable DAC DRQ */
751		val = CODEC_READ(sc, AC_DAC_FIFOC(sc));
752		val |= DAC_FIFOC_DRQ_EN;
753		CODEC_WRITE(sc, AC_DAC_FIFOC(sc), val);
754	} else {
755		/* Flush ADC FIFO */
756		CODEC_WRITE(sc, AC_ADC_FIFOC(sc), ADC_FIFOC_FIFO_FLUSH);
757
758		/* Clear ADC FIFO status */
759		CODEC_WRITE(sc, AC_ADC_FIFOS(sc),
760		    CODEC_READ(sc, AC_ADC_FIFOS(sc)));
761
762		/* Unmute input */
763		sc->cfg->mute(sc, 0, ch->dir);
764
765		/* Configure ADC DMA channel */
766		a10codec_dmaconfig(ch);
767
768		/* Configure ADC FIFO */
769		CODEC_WRITE(sc, AC_ADC_FIFOC(sc),
770		    ADC_FIFOC_EN_AD |
771		    ADC_FIFOC_RX_FIFO_MODE |
772		    (AFMT_CHANNEL(ch->format) == 1 ? ADC_FIFOC_MONO_EN : 0) |
773		    (a10codec_fs(ch) << ADC_FIFOC_FS_SHIFT) |
774		    (RX_TRIG_LEVEL << ADC_FIFOC_RX_TRIG_LEVEL_SHIFT));
775
776		/* Enable ADC DRQ */
777		val = CODEC_READ(sc, AC_ADC_FIFOC(sc));
778		val |= ADC_FIFOC_DRQ_EN;
779		CODEC_WRITE(sc, AC_ADC_FIFOC(sc), val);
780	}
781
782	/* Start DMA transfer */
783	a10codec_transfer(ch);
784}
785
786static void
787a10codec_stop(struct a10codec_chinfo *ch)
788{
789	struct a10codec_info *sc = ch->parent;
790
791	/* Disable DMA channel */
792	SUNXI_DMA_HALT(ch->dmac, ch->dmachan);
793
794	sc->cfg->mute(sc, 1, ch->dir);
795
796	if (ch->dir == PCMDIR_PLAY) {
797		/* Disable DAC DRQ */
798		CODEC_WRITE(sc, AC_DAC_FIFOC(sc), 0);
799	} else {
800		/* Disable ADC DRQ */
801		CODEC_WRITE(sc, AC_ADC_FIFOC(sc), 0);
802	}
803}
804
805static void *
806a10codec_chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
807    struct pcm_channel *c, int dir)
808{
809	struct a10codec_info *sc = devinfo;
810	struct a10codec_chinfo *ch = dir == PCMDIR_PLAY ? &sc->play : &sc->rec;
811	phandle_t xref;
812	pcell_t *cells;
813	int ncells, error;
814
815	error = ofw_bus_parse_xref_list_alloc(ofw_bus_get_node(sc->dev),
816	    "dmas", "#dma-cells", dir == PCMDIR_PLAY ? 1 : 0,
817	    &xref, &ncells, &cells);
818	if (error != 0) {
819		device_printf(sc->dev, "cannot parse 'dmas' property\n");
820		return (NULL);
821	}
822	OF_prop_free(cells);
823
824	ch->parent = sc;
825	ch->channel = c;
826	ch->buffer = b;
827	ch->dir = dir;
828	ch->fifo = rman_get_start(sc->res[0]) +
829	    (dir == PCMDIR_REC ? AC_ADC_RXDATA(sc) : AC_DAC_TXDATA(sc));
830
831	ch->dmac = OF_device_from_xref(xref);
832	if (ch->dmac == NULL) {
833		device_printf(sc->dev, "cannot find DMA controller\n");
834		device_printf(sc->dev, "xref = 0x%x\n", (u_int)xref);
835		return (NULL);
836	}
837	ch->dmachan = SUNXI_DMA_ALLOC(ch->dmac, false, a10codec_dmaintr, ch);
838	if (ch->dmachan == NULL) {
839		device_printf(sc->dev, "cannot allocate DMA channel\n");
840		return (NULL);
841	}
842
843	error = bus_dmamem_alloc(sc->dmat, &ch->dmaaddr,
844	    BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &ch->dmamap);
845	if (error != 0) {
846		device_printf(sc->dev, "cannot allocate channel buffer\n");
847		return (NULL);
848	}
849	error = bus_dmamap_load(sc->dmat, ch->dmamap, ch->dmaaddr,
850	    sc->dmasize, a10codec_dmamap_cb, ch, BUS_DMA_NOWAIT);
851	if (error != 0) {
852		device_printf(sc->dev, "cannot load DMA map\n");
853		return (NULL);
854	}
855	memset(ch->dmaaddr, 0, sc->dmasize);
856
857	if (sndbuf_setup(ch->buffer, ch->dmaaddr, sc->dmasize) != 0) {
858		device_printf(sc->dev, "cannot setup sndbuf\n");
859		return (NULL);
860	}
861
862	return (ch);
863}
864
865static int
866a10codec_chan_free(kobj_t obj, void *data)
867{
868	struct a10codec_chinfo *ch = data;
869	struct a10codec_info *sc = ch->parent;
870
871	SUNXI_DMA_FREE(ch->dmac, ch->dmachan);
872	bus_dmamap_unload(sc->dmat, ch->dmamap);
873	bus_dmamem_free(sc->dmat, ch->dmaaddr, ch->dmamap);
874
875	return (0);
876}
877
878static int
879a10codec_chan_setformat(kobj_t obj, void *data, uint32_t format)
880{
881	struct a10codec_chinfo *ch = data;
882
883	ch->format = format;
884
885	return (0);
886}
887
888static uint32_t
889a10codec_chan_setspeed(kobj_t obj, void *data, uint32_t speed)
890{
891	struct a10codec_chinfo *ch = data;
892
893	/*
894	 * The codec supports full duplex operation but both DAC and ADC
895	 * use the same source clock (PLL2). Limit the available speeds to
896	 * those supported by a 24576000 Hz input.
897	 */
898	switch (speed) {
899	case 8000:
900	case 12000:
901	case 16000:
902	case 24000:
903	case 32000:
904	case 48000:
905		ch->speed = speed;
906		break;
907	case 96000:
908	case 192000:
909		/* 96 KHz / 192 KHz mode only supported for playback */
910		if (ch->dir == PCMDIR_PLAY) {
911			ch->speed = speed;
912		} else {
913			ch->speed = 48000;
914		}
915		break;
916	case 44100:
917		ch->speed = 48000;
918		break;
919	case 22050:
920		ch->speed = 24000;
921		break;
922	case 11025:
923		ch->speed = 12000;
924		break;
925	default:
926		ch->speed = 48000;
927		break;
928	}
929
930	return (ch->speed);
931}
932
933static uint32_t
934a10codec_chan_setblocksize(kobj_t obj, void *data, uint32_t blocksize)
935{
936	struct a10codec_chinfo *ch = data;
937
938	ch->blocksize = blocksize & ~3;
939
940	return (ch->blocksize);
941}
942
943static int
944a10codec_chan_trigger(kobj_t obj, void *data, int go)
945{
946	struct a10codec_chinfo *ch = data;
947	struct a10codec_info *sc = ch->parent;
948
949	if (!PCMTRIG_COMMON(go))
950		return (0);
951
952	snd_mtxlock(sc->lock);
953	switch (go) {
954	case PCMTRIG_START:
955		ch->run = 1;
956		a10codec_stop(ch);
957		a10codec_start(ch);
958		break;
959	case PCMTRIG_STOP:
960	case PCMTRIG_ABORT:
961		ch->run = 0;
962		a10codec_stop(ch);
963		break;
964	default:
965		break;
966	}
967	snd_mtxunlock(sc->lock);
968
969	return (0);
970}
971
972static uint32_t
973a10codec_chan_getptr(kobj_t obj, void *data)
974{
975	struct a10codec_chinfo *ch = data;
976
977	return (ch->pos);
978}
979
980static struct pcmchan_caps *
981a10codec_chan_getcaps(kobj_t obj, void *data)
982{
983	struct a10codec_chinfo *ch = data;
984
985	if (ch->dir == PCMDIR_PLAY) {
986		return (&a10codec_pcaps);
987	} else {
988		return (&a10codec_rcaps);
989	}
990}
991
992static kobj_method_t a10codec_chan_methods[] = {
993	KOBJMETHOD(channel_init,		a10codec_chan_init),
994	KOBJMETHOD(channel_free,		a10codec_chan_free),
995	KOBJMETHOD(channel_setformat,		a10codec_chan_setformat),
996	KOBJMETHOD(channel_setspeed,		a10codec_chan_setspeed),
997	KOBJMETHOD(channel_setblocksize,	a10codec_chan_setblocksize),
998	KOBJMETHOD(channel_trigger,		a10codec_chan_trigger),
999	KOBJMETHOD(channel_getptr,		a10codec_chan_getptr),
1000	KOBJMETHOD(channel_getcaps,		a10codec_chan_getcaps),
1001	KOBJMETHOD_END
1002};
1003CHANNEL_DECLARE(a10codec_chan);
1004
1005/*
1006 * Device interface
1007 */
1008
1009static const struct a10codec_config a10_config = {
1010	.mixer_class	= &a10_mixer_class,
1011	.mute		= a10_mute,
1012	.drqtype_codec	= 19,
1013	.drqtype_sdram	= 22,
1014	.DPC		= 0x00,
1015	.DAC_FIFOC	= 0x04,
1016	.DAC_FIFOS	= 0x08,
1017	.DAC_TXDATA	= 0x0c,
1018	.ADC_FIFOC	= 0x1c,
1019	.ADC_FIFOS	= 0x20,
1020	.ADC_RXDATA	= 0x24,
1021	.DAC_CNT	= 0x30,
1022	.ADC_CNT	= 0x34,
1023};
1024
1025static const struct a10codec_config h3_config = {
1026	.mixer_class	= &h3_mixer_class,
1027	.mute		= h3_mute,
1028	.drqtype_codec	= 15,
1029	.drqtype_sdram	= 1,
1030	.DPC		= 0x00,
1031	.DAC_FIFOC	= 0x04,
1032	.DAC_FIFOS	= 0x08,
1033	.DAC_TXDATA	= 0x20,
1034	.ADC_FIFOC	= 0x10,
1035	.ADC_FIFOS	= 0x14,
1036	.ADC_RXDATA	= 0x18,
1037	.DAC_CNT	= 0x40,
1038	.ADC_CNT	= 0x44,
1039};
1040
1041static struct ofw_compat_data compat_data[] = {
1042	{ "allwinner,sun4i-a10-codec",	(uintptr_t)&a10_config },
1043	{ "allwinner,sun7i-a20-codec",	(uintptr_t)&a10_config },
1044	{ "allwinner,sun8i-h3-codec",	(uintptr_t)&h3_config },
1045	{ NULL, 0 }
1046};
1047
1048static int
1049a10codec_probe(device_t dev)
1050{
1051	if (!ofw_bus_status_okay(dev))
1052		return (ENXIO);
1053
1054	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
1055		return (ENXIO);
1056
1057	device_set_desc(dev, "Allwinner Audio Codec");
1058	return (BUS_PROBE_DEFAULT);
1059}
1060
1061static int
1062a10codec_attach(device_t dev)
1063{
1064	struct a10codec_info *sc;
1065	char status[SND_STATUSLEN];
1066	struct gpiobus_pin *pa_pin;
1067	phandle_t node;
1068	clk_t clk_bus, clk_codec;
1069	hwreset_t rst;
1070	uint32_t val;
1071	int error;
1072
1073	node = ofw_bus_get_node(dev);
1074
1075	sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
1076	sc->cfg = (void *)ofw_bus_search_compatible(dev, compat_data)->ocd_data;
1077	sc->dev = dev;
1078	sc->lock = snd_mtxcreate(device_get_nameunit(dev), "a10codec softc");
1079
1080	if (bus_alloc_resources(dev, a10codec_spec, sc->res)) {
1081		device_printf(dev, "cannot allocate resources for device\n");
1082		error = ENXIO;
1083		goto fail;
1084	}
1085
1086	sc->dmasize = 131072;
1087	error = bus_dma_tag_create(
1088	    bus_get_dma_tag(dev),
1089	    4, sc->dmasize,		/* alignment, boundary */
1090	    BUS_SPACE_MAXADDR_32BIT,	/* lowaddr */
1091	    BUS_SPACE_MAXADDR,		/* highaddr */
1092	    NULL, NULL,			/* filter, filterarg */
1093	    sc->dmasize, 1,		/* maxsize, nsegs */
1094	    sc->dmasize, 0,		/* maxsegsize, flags */
1095	    NULL, NULL,			/* lockfunc, lockarg */
1096	    &sc->dmat);
1097	if (error != 0) {
1098		device_printf(dev, "cannot create DMA tag\n");
1099		goto fail;
1100	}
1101
1102	/* Get clocks */
1103	if (clk_get_by_ofw_name(dev, 0, "apb", &clk_bus) != 0 &&
1104	    clk_get_by_ofw_name(dev, 0, "ahb", &clk_bus) != 0) {
1105		device_printf(dev, "cannot find bus clock\n");
1106		goto fail;
1107	}
1108	if (clk_get_by_ofw_name(dev, 0, "codec", &clk_codec) != 0) {
1109		device_printf(dev, "cannot find codec clock\n");
1110		goto fail;
1111	}
1112
1113	/* Gating bus clock for codec */
1114	if (clk_enable(clk_bus) != 0) {
1115		device_printf(dev, "cannot enable bus clock\n");
1116		goto fail;
1117	}
1118	/* Activate audio codec clock. According to the A10 and A20 user
1119	 * manuals, Audio_pll can be either 24.576MHz or 22.5792MHz. Most
1120	 * audio sampling rates require an 24.576MHz input clock with the
1121	 * exception of 44.1kHz, 22.05kHz, and 11.025kHz. Unfortunately,
1122	 * both capture and playback use the same clock source so to
1123	 * safely support independent full duplex operation, we use a fixed
1124	 * 24.576MHz clock source and don't advertise native support for
1125	 * the three sampling rates that require a 22.5792MHz input.
1126	 */
1127	error = clk_set_freq(clk_codec, 24576000, CLK_SET_ROUND_DOWN);
1128	if (error != 0) {
1129		device_printf(dev, "cannot set codec clock frequency\n");
1130		goto fail;
1131	}
1132	/* Enable audio codec clock */
1133	error = clk_enable(clk_codec);
1134	if (error != 0) {
1135		device_printf(dev, "cannot enable codec clock\n");
1136		goto fail;
1137	}
1138
1139	/* De-assert hwreset */
1140	if (hwreset_get_by_ofw_idx(dev, 0, 0, &rst) == 0) {
1141		error = hwreset_deassert(rst);
1142		if (error != 0) {
1143			device_printf(dev, "cannot de-assert reset\n");
1144			goto fail;
1145		}
1146	}
1147
1148	/* Enable DAC */
1149	val = CODEC_READ(sc, AC_DAC_DPC(sc));
1150	val |= DAC_DPC_EN_DA;
1151	CODEC_WRITE(sc, AC_DAC_DPC(sc), val);
1152
1153	if (mixer_init(dev, sc->cfg->mixer_class, sc)) {
1154		device_printf(dev, "mixer_init failed\n");
1155		goto fail;
1156	}
1157
1158	/* Unmute PA */
1159	if (gpio_pin_get_by_ofw_property(dev, node, "allwinner,pa-gpios",
1160	    &pa_pin) == 0) {
1161		error = gpio_pin_set_active(pa_pin, 1);
1162		if (error != 0)
1163			device_printf(dev, "failed to unmute PA\n");
1164	}
1165
1166	pcm_setflags(dev, pcm_getflags(dev) | SD_F_MPSAFE);
1167
1168	if (pcm_register(dev, sc, 1, 1)) {
1169		device_printf(dev, "pcm_register failed\n");
1170		goto fail;
1171	}
1172
1173	pcm_addchan(dev, PCMDIR_PLAY, &a10codec_chan_class, sc);
1174	pcm_addchan(dev, PCMDIR_REC, &a10codec_chan_class, sc);
1175
1176	snprintf(status, SND_STATUSLEN, "at %s", ofw_bus_get_name(dev));
1177	pcm_setstatus(dev, status);
1178
1179	return (0);
1180
1181fail:
1182	bus_release_resources(dev, a10codec_spec, sc->res);
1183	snd_mtxfree(sc->lock);
1184	free(sc, M_DEVBUF);
1185
1186	return (ENXIO);
1187}
1188
1189static device_method_t a10codec_pcm_methods[] = {
1190	/* Device interface */
1191	DEVMETHOD(device_probe,		a10codec_probe),
1192	DEVMETHOD(device_attach,	a10codec_attach),
1193
1194	DEVMETHOD_END
1195};
1196
1197static driver_t a10codec_pcm_driver = {
1198	"pcm",
1199	a10codec_pcm_methods,
1200	PCM_SOFTC_SIZE,
1201};
1202
1203DRIVER_MODULE(a10codec, simplebus, a10codec_pcm_driver, 0, 0);
1204MODULE_DEPEND(a10codec, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1205MODULE_VERSION(a10codec, 1);
1206