1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef __SOUND_AK4531_CODEC_H
3 #define __SOUND_AK4531_CODEC_H
4
5 /*
6 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
7 * Universal interface for Audio Codec '97
8 *
9 * For more details look to AC '97 component specification revision 2.1
10 * by Intel Corporation (http://developer.intel.com).
11 */
12
13 #include <sound/info.h>
14 #include <sound/control.h>
15
16 /*
17 * ASAHI KASEI - AK4531 codec
18 * - not really AC'97 codec, but it uses very similar interface as AC'97
19 */
20
21 /*
22 * AK4531 codec registers
23 */
24
25 #define AK4531_LMASTER 0x00 /* master volume left */
26 #define AK4531_RMASTER 0x01 /* master volume right */
27 #define AK4531_LVOICE 0x02 /* channel volume left */
28 #define AK4531_RVOICE 0x03 /* channel volume right */
29 #define AK4531_LFM 0x04 /* FM volume left */
30 #define AK4531_RFM 0x05 /* FM volume right */
31 #define AK4531_LCD 0x06 /* CD volume left */
32 #define AK4531_RCD 0x07 /* CD volume right */
33 #define AK4531_LLINE 0x08 /* LINE volume left */
34 #define AK4531_RLINE 0x09 /* LINE volume right */
35 #define AK4531_LAUXA 0x0a /* AUXA volume left */
36 #define AK4531_RAUXA 0x0b /* AUXA volume right */
37 #define AK4531_MONO1 0x0c /* MONO1 volume left */
38 #define AK4531_MONO2 0x0d /* MONO1 volume right */
39 #define AK4531_MIC 0x0e /* MIC volume */
40 #define AK4531_MONO_OUT 0x0f /* Mono-out volume */
41 #define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */
42 #define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */
43 #define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */
44 #define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */
45 #define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */
46 #define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */
47 #define AK4531_RESET 0x16 /* Reset & power down */
48 #define AK4531_CLOCK 0x17 /* Clock select */
49 #define AK4531_AD_IN 0x18 /* AD input select */
50 #define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */
51
52 struct snd_ak4531 {
53 void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
54 unsigned short val);
55 void *private_data;
56 void (*private_free) (struct snd_ak4531 *ak4531);
57 /* --- */
58 unsigned char regs[0x20];
59 struct mutex reg_mutex;
60 };
61
62 int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
63 struct snd_ak4531 **rak4531);
64
65 #ifdef CONFIG_PM
66 void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
67 void snd_ak4531_resume(struct snd_ak4531 *ak4531);
68 #endif
69
70 #endif /* __SOUND_AK4531_CODEC_H */