snapper.c revision 187692
1/*-
2 * Copyright 2008 by Marco Trillo. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
18 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
20 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
21 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/dev/sound/macio/snapper.c 187692 2009-01-25 18:20:15Z nwhitehorn $
26 */
27/*-
28 * Copyright (c) 2002, 2003 Tsubai Masanari.  All rights reserved.
29 *
30 * Redistribution and use in source and binary forms, with or without
31 * modification, are permitted provided that the following conditions
32 * are met:
33 * 1. Redistributions of source code must retain the above copyright
34 *    notice, this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright
36 *    notice, this list of conditions and the following disclaimer in the
37 *    documentation and/or other materials provided with the distribution.
38 * 3. The name of the author may not be used to endorse or promote products
39 *    derived from this software without specific prior written permission.
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
44 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
45 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
51 *
52 * 	NetBSD: snapper.c,v 1.28 2008/05/16 03:49:54 macallan Exp
53 *	Id: snapper.c,v 1.11 2002/10/31 17:42:13 tsubai Exp
54 */
55
56/*
57 *	Apple Snapper audio.
58 */
59
60#include <sys/param.h>
61#include <sys/systm.h>
62#include <sys/kernel.h>
63#include <sys/module.h>
64#include <sys/bus.h>
65#include <sys/malloc.h>
66#include <sys/lock.h>
67#include <sys/mutex.h>
68#include <machine/dbdma.h>
69#include <machine/intr_machdep.h>
70#include <machine/resource.h>
71#include <machine/bus.h>
72#include <machine/pio.h>
73#include <sys/rman.h>
74
75#include <dev/iicbus/iicbus.h>
76#include <dev/iicbus/iiconf.h>
77#include <dev/ofw/ofw_bus.h>
78#include <dev/sound/pcm/sound.h>
79#include "mixer_if.h"
80
81extern kobj_class_t i2s_mixer_class;
82extern device_t	i2s_mixer;
83
84struct snapper_softc
85{
86	device_t sc_dev;
87	uint32_t sc_addr;
88};
89
90static int	snapper_probe(device_t);
91static int 	snapper_attach(device_t);
92static int	snapper_init(struct snd_mixer *m);
93static void	snapper_uninit(struct snd_mixer *m);
94static int	snapper_reinit(struct snd_mixer *m);
95static int	snapper_set(struct snd_mixer *m, unsigned dev, unsigned left,
96		    unsigned right);
97static int	snapper_setrecsrc(struct snd_mixer *m, u_int32_t src);
98
99static device_method_t snapper_methods[] = {
100	/* Device interface. */
101	DEVMETHOD(device_probe,		snapper_probe),
102	DEVMETHOD(device_attach,	snapper_attach),
103
104	{ 0, 0 }
105};
106
107static driver_t snapper_driver = {
108	"snapper",
109	snapper_methods,
110	sizeof(struct snapper_softc)
111};
112static devclass_t snapper_devclass;
113
114DRIVER_MODULE(snapper, iicbus, snapper_driver, snapper_devclass, 0, 0);
115MODULE_VERSION(snapper, 1);
116MODULE_DEPEND(snapper, iicbus, 1, 1, 1);
117
118static kobj_method_t snapper_mixer_methods[] = {
119	KOBJMETHOD(mixer_init, 		snapper_init),
120	KOBJMETHOD(mixer_uninit, 	snapper_uninit),
121	KOBJMETHOD(mixer_reinit, 	snapper_reinit),
122	KOBJMETHOD(mixer_set, 		snapper_set),
123	KOBJMETHOD(mixer_setrecsrc, 	snapper_setrecsrc),
124	{ 0, 0 }
125};
126
127MIXER_DECLARE(snapper_mixer);
128
129#define SNAPPER_IICADDR	0x6a	/* Hard-coded I2C slave addr */
130
131/* Snapper (Texas Instruments TAS3004) registers. */
132#define SNAPPER_MCR1	0x01	/* Main control register 1 (1byte) */
133#define SNAPPER_DRC	0x02	/* Dynamic range compression (6bytes) */
134#define SNAPPER_VOLUME	0x04	/* Volume (6bytes) */
135#define SNAPPER_TREBLE	0x05	/* Treble control (1byte) */
136#define SNAPPER_BASS	0x06	/* Bass control (1byte) */
137#define SNAPPER_MIXER_L	0x07	/* Mixer left gain (9bytes) */
138#define SNAPPER_MIXER_R	0x08	/* Mixer right gain (9bytes) */
139#define SNAPPER_LB0	0x0a	/* Left biquad 0 (15bytes) */
140#define SNAPPER_LB1	0x0b	/* Left biquad 1 (15bytes) */
141#define SNAPPER_LB2	0x0c	/* Left biquad 2 (15bytes) */
142#define SNAPPER_LB3	0x0d	/* Left biquad 3 (15bytes) */
143#define SNAPPER_LB4	0x0e	/* Left biquad 4 (15bytes) */
144#define SNAPPER_LB5	0x0f	/* Left biquad 5 (15bytes) */
145#define SNAPPER_LB6	0x10	/* Left biquad 6 (15bytes) */
146#define SNAPPER_RB0	0x13	/* Right biquad 0 (15bytes) */
147#define SNAPPER_RB1	0x14	/* Right biquad 1 (15bytes) */
148#define SNAPPER_RB2	0x15	/* Right biquad 2 (15bytes) */
149#define SNAPPER_RB3	0x16	/* Right biquad 3 (15bytes) */
150#define SNAPPER_RB4	0x17	/* Right biquad 4 (15bytes) */
151#define SNAPPER_RB5	0x18	/* Right biquad 5 (15bytes) */
152#define SNAPPER_RB6	0x19	/* Right biquad 6 (15bytes) */
153#define SNAPPER_LLB	0x21	/* Left loudness biquad (15bytes) */
154#define SNAPPER_RLB	0x22	/* Right loudness biquad (15bytes) */
155#define SNAPPER_LLB_GAIN	0x23	/* Left loudness biquad gain (3bytes) */
156#define SNAPPER_RLB_GAIN	0x24	/* Right loudness biquad gain (3bytes) */
157#define SNAPPER_ACR		0x40	/* Analog control register (1byte) */
158#define SNAPPER_MCR2	0x43	/* Main control register 2 (1byte) */
159#define SNAPPER_MCR1_FL	0x80	/* Fast load */
160#define SNAPPER_MCR1_SC	0x40	/* SCLK frequency */
161#define  SNAPPER_MCR1_SC_32	0x00	/*  32fs */
162#define  SNAPPER_MCR1_SC_64	0x40	/*  64fs */
163#define SNAPPER_MCR1_SM	0x30	/* Output serial port mode */
164#define  SNAPPER_MCR1_SM_L	0x00	/*  Left justified */
165#define  SNAPPER_MCR1_SM_R	0x10	/*  Right justified */
166#define  SNAPPER_MCR1_SM_I2S 0x20	/*  I2S */
167#define SNAPPER_MCR1_W	0x03	/* Serial port word length */
168#define  SNAPPER_MCR1_W_16	0x00	/*  16 bit */
169#define  SNAPPER_MCR1_W_18	0x01	/*  18 bit */
170#define  SNAPPER_MCR1_W_20	0x02	/*  20 bit */
171#define  SNAPPER_MCR1_W_24	0x03	/*  20 bit */
172#define SNAPPER_MCR2_DL	0x80	/* Download */
173#define SNAPPER_MCR2_AP	0x02	/* All pass mode */
174#define SNAPPER_ACR_ADM	0x80	/* ADC output mode */
175#define SNAPPER_ACR_LRB	0x40	/* Select B input */
176#define SNAPPER_ACR_DM	0x0c	/* De-emphasis control */
177#define  SNAPPER_ACR_DM_OFF	0x00	/*  off */
178#define  SNAPPER_ACR_DM_48	0x04	/*  fs = 48kHz */
179#define  SNAPPER_ACR_DM_44	0x08	/*  fs = 44.1kHz */
180#define SNAPPER_ACR_INP	0x02	/* Analog input select */
181#define  SNAPPER_ACR_INP_A	0x00	/*  A */
182#define  SNAPPER_ACR_INP_B	0x02	/*  B */
183#define SNAPPER_ACR_APD	0x01	/* Analog power down */
184
185
186struct snapper_reg {
187	u_char MCR1[1];
188	u_char DRC[6];
189	u_char VOLUME[6];
190	u_char TREBLE[1];
191	u_char BASS[1];
192	u_char MIXER_L[9];
193	u_char MIXER_R[9];
194	u_char LB0[15];
195	u_char LB1[15];
196	u_char LB2[15];
197	u_char LB3[15];
198	u_char LB4[15];
199	u_char LB5[15];
200	u_char LB6[15];
201	u_char RB0[15];
202	u_char RB1[15];
203	u_char RB2[15];
204	u_char RB3[15];
205	u_char RB4[15];
206	u_char RB5[15];
207	u_char RB6[15];
208	u_char LLB[15];
209	u_char RLB[15];
210	u_char LLB_GAIN[3];
211	u_char RLB_GAIN[3];
212	u_char ACR[1];
213	u_char MCR2[1];
214};
215
216static const struct snapper_reg snapper_initdata = {
217	{ SNAPPER_MCR1_SC_64 | SNAPPER_MCR1_SM_I2S |
218	  SNAPPER_MCR1_W_16 }, 					/* MCR1 */
219	{ 1, 0, 0, 0, 0, 0 },					/* DRC */
220	{ 0, 0, 0, 0, 0, 0 },					/* VOLUME */
221	{ 0x72 },						/* TREBLE */
222	{ 0x72 },						/* BASS */
223	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_L */
224	{ 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 },			/* MIXER_R */
225	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
226	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
227	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
228	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
229	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
230	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
231	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
232	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
233	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
234	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
235	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
236	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
237	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
238	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
239	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
240	{ 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },	/* BIQUAD */
241	{ 0, 0, 0 },						/* LLB_GAIN */
242	{ 0, 0, 0 },						/* RLB_GAIN */
243	{ SNAPPER_ACR_ADM | SNAPPER_ACR_LRB | SNAPPER_ACR_INP_B },/* ACR */
244	{ SNAPPER_MCR2_AP }					 /* MCR2 */
245};
246
247static const char snapper_regsize[] = {
248	0,					/* 0x00 */
249	sizeof snapper_initdata.MCR1,		/* 0x01 */
250	sizeof snapper_initdata.DRC,		/* 0x02 */
251	0,					/* 0x03 */
252	sizeof snapper_initdata.VOLUME,		/* 0x04 */
253	sizeof snapper_initdata.TREBLE,		/* 0x05 */
254	sizeof snapper_initdata.BASS,		/* 0x06 */
255	sizeof snapper_initdata.MIXER_L,	/* 0x07 */
256	sizeof snapper_initdata.MIXER_R,	/* 0x08 */
257	0,					/* 0x09 */
258	sizeof snapper_initdata.LB0,		/* 0x0a */
259	sizeof snapper_initdata.LB1,		/* 0x0b */
260	sizeof snapper_initdata.LB2,		/* 0x0c */
261	sizeof snapper_initdata.LB3,		/* 0x0d */
262	sizeof snapper_initdata.LB4,		/* 0x0e */
263	sizeof snapper_initdata.LB5,		/* 0x0f */
264	sizeof snapper_initdata.LB6,		/* 0x10 */
265	0,					/* 0x11 */
266	0,					/* 0x12 */
267	sizeof snapper_initdata.RB0,		/* 0x13 */
268	sizeof snapper_initdata.RB1,		/* 0x14 */
269	sizeof snapper_initdata.RB2,		/* 0x15 */
270	sizeof snapper_initdata.RB3,		/* 0x16 */
271	sizeof snapper_initdata.RB4,		/* 0x17 */
272	sizeof snapper_initdata.RB5,		/* 0x18 */
273	sizeof snapper_initdata.RB6,		/* 0x19 */
274	0,0,0,0, 0,0,
275	0,					/* 0x20 */
276	sizeof snapper_initdata.LLB,		/* 0x21 */
277	sizeof snapper_initdata.RLB,		/* 0x22 */
278	sizeof snapper_initdata.LLB_GAIN,	/* 0x23 */
279	sizeof snapper_initdata.RLB_GAIN,	/* 0x24 */
280	0,0,0,0, 0,0,0,0, 0,0,0,
281	0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
282	sizeof snapper_initdata.ACR,		/* 0x40 */
283	0,					/* 0x41 */
284	0,					/* 0x42 */
285	sizeof snapper_initdata.MCR2		/* 0x43 */
286};
287
288/* dB = 20 * log (x) table. */
289static u_int	snapper_volume_table[100] = {
290	0x00000148,   0x0000015C,   0x00000171,   0x00000186,   // -46.0,	-45.5,	-45.0,	-44.5,
291	0x0000019E,   0x000001B6,   0x000001D0,   0x000001EB,   // -44.0,	-43.5,	-43.0,	-42.5,
292	0x00000209,   0x00000227,   0x00000248,   0x0000026B,   // -42.0,	-41.5,	-41.0,	-40.5,
293	0x0000028F,   0x000002B6,   0x000002DF,   0x0000030B,   // -40.0,	-39.5,	-39.0,	-38.5,
294	0x00000339,   0x0000036A,   0x0000039E,   0x000003D5,   // -38.0,	-37.5,	-37.0,	-36.5,
295	0x0000040F,   0x0000044C,   0x0000048D,   0x000004D2,   // -36.0,	-35.5,	-35.0,	-34.5,
296	0x0000051C,   0x00000569,   0x000005BB,   0x00000612,   // -34.0,	-33.5,	-33.0,	-32.5,
297	0x0000066E,   0x000006D0,   0x00000737,   0x000007A5,   // -32.0,	-31.5,	-31.0,	-30.5,
298	0x00000818,   0x00000893,   0x00000915,   0x0000099F,   // -30.0,	-29.5,	-29.0,	-28.5,
299	0x00000A31,   0x00000ACC,   0x00000B6F,   0x00000C1D,   // -28.0,	-27.5,	-27.0,	-26.5,
300	0x00000CD5,   0x00000D97,   0x00000E65,   0x00000F40,   // -26.0,	-25.5,	-25.0,	-24.5,
301	0x00001027,   0x0000111C,   0x00001220,   0x00001333,   // -24.0,	-23.5,	-23.0,	-22.5,
302	0x00001456,   0x0000158A,   0x000016D1,   0x0000182B,   // -22.0,	-21.5,	-21.0,	-20.5,
303	0x0000199A,   0x00001B1E,   0x00001CB9,   0x00001E6D,   // -20.0,	-19.5,	-19.0,	-18.5,
304	0x0000203A,   0x00002223,   0x00002429,   0x0000264E,   // -18.0,	-17.5,	-17.0,	-16.5,
305	0x00002893,   0x00002AFA,   0x00002D86,   0x00003039,   // -16.0,	-15.5,	-15.0,	-14.5,
306	0x00003314,   0x0000361B,   0x00003950,   0x00003CB5,   // -14.0,	-13.5,	-13.0,	-12.5,
307	0x0000404E,   0x0000441D,   0x00004827,   0x00004C6D,   // -12.0,	-11.5,	-11.0,	-10.5,
308	0x000050F4,   0x000055C0,   0x00005AD5,   0x00006037,   // -10.0,	-9.5,	-9.0,	-8.5,
309	0x000065EA,   0x00006BF4,   0x0000725A,   0x00007920,   // -8.0,	-7.5,	-7.0,	-6.5,
310	0x0000804E,   0x000087EF,   0x00008FF6,   0x0000987D,   // -6.0,	-5.5,	-5.0,	-4.5,
311	0x0000A186,   0x0000AB19,   0x0000B53C,   0x0000BFF9,   // -4.0,	-3.5,	-3.0,	-2.5,
312	0x0000CB59,   0x0000D766,   0x0000E429,   0x0000F1AE,   // -2.0,	-1.5,	-1.0,	-0.5,
313	0x00010000,   0x00010F2B,   0x00011F3D,   0x00013042,   // 0.0,   +0.5,	+1.0,	+1.5,
314	0x00014249,   0x00015562,   0x0001699C,   0x00017F09    // 2.0,   +2.5,	+3.0,	+3.5,
315};
316
317static int
318snapper_write(struct snapper_softc *sc, uint8_t reg, const void *data)
319{
320	u_int size;
321	uint8_t buf[16];
322
323	struct iic_msg msg[] = {
324		{ sc->sc_addr, IIC_M_WR, 0, buf }
325	};
326
327	KASSERT(reg < sizeof(snapper_regsize), ("bad reg"));
328	size = snapper_regsize[reg];
329	msg[0].len = size + 1;
330	buf[0] = reg;
331	memcpy(&buf[1], data, size);
332
333	iicbus_transfer(sc->sc_dev, msg, 1);
334
335	return (0);
336}
337
338static int
339snapper_probe(device_t dev)
340{
341	const char *name, *compat;
342
343	name = ofw_bus_get_name(dev);
344	if (name == NULL)
345		return (ENXIO);
346
347	if (strcmp(name, "deq") == 0) {
348		if (iicbus_get_addr(dev) != SNAPPER_IICADDR)
349			return (ENXIO);
350	} else if (strcmp(name, "codec") == 0) {
351		compat = ofw_bus_get_compat(dev);
352		if (compat == NULL || strcmp(compat, "tas3004") != 0)
353			return (ENXIO);
354	} else {
355		return (ENXIO);
356	}
357
358	device_set_desc(dev, "Texas Instruments TAS3004 Audio Codec");
359	return (0);
360}
361
362static int
363snapper_attach(device_t dev)
364{
365	struct snapper_softc *sc;
366
367	sc = device_get_softc(dev);
368	sc->sc_dev = dev;
369	sc->sc_addr = iicbus_get_addr(dev);
370
371	i2s_mixer_class = &snapper_mixer_class;
372	i2s_mixer = dev;
373
374	return (0);
375}
376
377static int
378snapper_init(struct snd_mixer *m)
379{
380	struct snapper_softc *sc;
381	u_int		x = 0;
382
383	sc = device_get_softc(mix_getdevinfo(m));
384
385        snapper_write(sc, SNAPPER_LB0, snapper_initdata.LB0);
386	snapper_write(sc, SNAPPER_LB1, snapper_initdata.LB1);
387	snapper_write(sc, SNAPPER_LB2, snapper_initdata.LB2);
388	snapper_write(sc, SNAPPER_LB3, snapper_initdata.LB3);
389	snapper_write(sc, SNAPPER_LB4, snapper_initdata.LB4);
390	snapper_write(sc, SNAPPER_LB5, snapper_initdata.LB5);
391	snapper_write(sc, SNAPPER_LB6, snapper_initdata.LB6);
392	snapper_write(sc, SNAPPER_RB0, snapper_initdata.RB0);
393	snapper_write(sc, SNAPPER_RB1, snapper_initdata.RB1);
394	snapper_write(sc, SNAPPER_RB1, snapper_initdata.RB1);
395	snapper_write(sc, SNAPPER_RB2, snapper_initdata.RB2);
396	snapper_write(sc, SNAPPER_RB3, snapper_initdata.RB3);
397	snapper_write(sc, SNAPPER_RB4, snapper_initdata.RB4);
398	snapper_write(sc, SNAPPER_RB5, snapper_initdata.RB5);
399	snapper_write(sc, SNAPPER_RB6, snapper_initdata.RB6);
400	snapper_write(sc, SNAPPER_MCR1, snapper_initdata.MCR1);
401	snapper_write(sc, SNAPPER_MCR2, snapper_initdata.MCR2);
402	snapper_write(sc, SNAPPER_DRC, snapper_initdata.DRC);
403	snapper_write(sc, SNAPPER_VOLUME, snapper_initdata.VOLUME);
404	snapper_write(sc, SNAPPER_TREBLE, snapper_initdata.TREBLE);
405	snapper_write(sc, SNAPPER_BASS, snapper_initdata.BASS);
406	snapper_write(sc, SNAPPER_MIXER_L, snapper_initdata.MIXER_L);
407	snapper_write(sc, SNAPPER_MIXER_R, snapper_initdata.MIXER_R);
408	snapper_write(sc, SNAPPER_LLB, snapper_initdata.LLB);
409	snapper_write(sc, SNAPPER_RLB, snapper_initdata.RLB);
410	snapper_write(sc, SNAPPER_LLB_GAIN, snapper_initdata.LLB_GAIN);
411	snapper_write(sc, SNAPPER_RLB_GAIN, snapper_initdata.RLB_GAIN);
412	snapper_write(sc, SNAPPER_ACR, snapper_initdata.ACR);
413
414	x |= SOUND_MASK_VOLUME;
415	mix_setdevs(m, x);
416
417	return (0);
418}
419
420static void
421snapper_uninit(struct snd_mixer *m)
422{
423	return;
424}
425
426static int
427snapper_reinit(struct snd_mixer *m)
428{
429	return (0);
430}
431
432static int
433snapper_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
434{
435	struct snapper_softc *sc;
436	u_int l, r;
437	u_char reg[6];
438
439	sc = device_get_softc(mix_getdevinfo(m));
440
441	if (left > 100 || right > 100)
442		return (0);
443
444	l = (left == 0) ? 0 : snapper_volume_table[left - 1];
445	r = (right == 0) ? 0 : snapper_volume_table[right - 1];
446
447	switch (dev) {
448	case SOUND_MIXER_VOLUME:
449		reg[0] = (l & 0xff0000) >> 16;
450		reg[1] = (l & 0x00ff00) >> 8;
451		reg[2] = l & 0x0000ff;
452		reg[3] = (r & 0xff0000) >> 16;
453		reg[4] = (r & 0x00ff00) >> 8;
454		reg[5] = r & 0x0000ff;
455		snapper_write(sc, SNAPPER_VOLUME, reg);
456
457		return (left | (right << 8));
458	}
459
460	return (0);
461}
462
463static int
464snapper_setrecsrc(struct snd_mixer *m, u_int32_t src)
465{
466	return (0);
467}
468
469