Root/include/sound/ak4531_codec.h

1#ifndef __SOUND_AK4531_CODEC_H
2#define __SOUND_AK4531_CODEC_H
3
4/*
5 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
6 * Universal interface for Audio Codec '97
7 *
8 * For more details look to AC '97 component specification revision 2.1
9 * by Intel Corporation (http://developer.intel.com).
10 *
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 *
26 */
27
28#include <sound/info.h>
29#include <sound/control.h>
30
31/*
32 * ASAHI KASEI - AK4531 codec
33 * - not really AC'97 codec, but it uses very similar interface as AC'97
34 */
35
36/*
37 * AK4531 codec registers
38 */
39
40#define AK4531_LMASTER 0x00 /* master volume left */
41#define AK4531_RMASTER 0x01 /* master volume right */
42#define AK4531_LVOICE 0x02 /* channel volume left */
43#define AK4531_RVOICE 0x03 /* channel volume right */
44#define AK4531_LFM 0x04 /* FM volume left */
45#define AK4531_RFM 0x05 /* FM volume right */
46#define AK4531_LCD 0x06 /* CD volume left */
47#define AK4531_RCD 0x07 /* CD volume right */
48#define AK4531_LLINE 0x08 /* LINE volume left */
49#define AK4531_RLINE 0x09 /* LINE volume right */
50#define AK4531_LAUXA 0x0a /* AUXA volume left */
51#define AK4531_RAUXA 0x0b /* AUXA volume right */
52#define AK4531_MONO1 0x0c /* MONO1 volume left */
53#define AK4531_MONO2 0x0d /* MONO1 volume right */
54#define AK4531_MIC 0x0e /* MIC volume */
55#define AK4531_MONO_OUT 0x0f /* Mono-out volume */
56#define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */
57#define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */
58#define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */
59#define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */
60#define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */
61#define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */
62#define AK4531_RESET 0x16 /* Reset & power down */
63#define AK4531_CLOCK 0x17 /* Clock select */
64#define AK4531_AD_IN 0x18 /* AD input select */
65#define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */
66
67struct snd_ak4531 {
68    void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
69               unsigned short val);
70    void *private_data;
71    void (*private_free) (struct snd_ak4531 *ak4531);
72    /* --- */
73    unsigned char regs[0x20];
74    struct mutex reg_mutex;
75};
76
77int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
78             struct snd_ak4531 **rak4531);
79
80#ifdef CONFIG_PM
81void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
82void snd_ak4531_resume(struct snd_ak4531 *ak4531);
83#endif
84
85#endif /* __SOUND_AK4531_CODEC_H */
86

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