| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */
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| 2 | #ifndef __SOUND_AK4531_CODEC_H
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| 3 | #define __SOUND_AK4531_CODEC_H
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| 4 |
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| 5 | /*
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| 6 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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| 7 | * Universal interface for Audio Codec '97
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| 8 | *
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| 9 | * For more details look to AC '97 component specification revision 2.1
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| 10 | * by Intel Corporation (http://developer.intel.com).
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| 11 | */
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| 12 |
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| 13 | #include <sound/info.h>
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| 14 | #include <sound/control.h>
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| 15 |
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| 16 | /*
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| 17 | * ASAHI KASEI - AK4531 codec
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| 18 | * - not really AC'97 codec, but it uses very similar interface as AC'97
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| 19 | */
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| 20 |
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| 21 | /*
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| 22 | * AK4531 codec registers
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| 23 | */
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| 24 |
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| 25 | #define AK4531_LMASTER 0x00 /* master volume left */
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| 26 | #define AK4531_RMASTER 0x01 /* master volume right */
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| 27 | #define AK4531_LVOICE 0x02 /* channel volume left */
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| 28 | #define AK4531_RVOICE 0x03 /* channel volume right */
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| 29 | #define AK4531_LFM 0x04 /* FM volume left */
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| 30 | #define AK4531_RFM 0x05 /* FM volume right */
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| 31 | #define AK4531_LCD 0x06 /* CD volume left */
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| 32 | #define AK4531_RCD 0x07 /* CD volume right */
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| 33 | #define AK4531_LLINE 0x08 /* LINE volume left */
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| 34 | #define AK4531_RLINE 0x09 /* LINE volume right */
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| 35 | #define AK4531_LAUXA 0x0a /* AUXA volume left */
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| 36 | #define AK4531_RAUXA 0x0b /* AUXA volume right */
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| 37 | #define AK4531_MONO1 0x0c /* MONO1 volume left */
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| 38 | #define AK4531_MONO2 0x0d /* MONO1 volume right */
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| 39 | #define AK4531_MIC 0x0e /* MIC volume */
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| 40 | #define AK4531_MONO_OUT 0x0f /* Mono-out volume */
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| 41 | #define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */
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| 42 | #define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */
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| 43 | #define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */
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| 44 | #define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */
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| 45 | #define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */
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| 46 | #define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */
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| 47 | #define AK4531_RESET 0x16 /* Reset & power down */
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| 48 | #define AK4531_CLOCK 0x17 /* Clock select */
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| 49 | #define AK4531_AD_IN 0x18 /* AD input select */
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| 50 | #define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */
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| 51 |
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| 52 | struct snd_ak4531 {
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| 53 | void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
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| 54 | unsigned short val);
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| 55 | void *private_data;
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| 56 | void (*private_free) (struct snd_ak4531 *ak4531);
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| 57 | /* --- */
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| 58 | unsigned char regs[0x20];
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| 59 | struct mutex reg_mutex;
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| 60 | };
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| 61 |
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| 62 | int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
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| 63 | struct snd_ak4531 **rak4531);
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| 64 |
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| 65 | #ifdef CONFIG_PM
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| 66 | void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
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| 67 | void snd_ak4531_resume(struct snd_ak4531 *ak4531);
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| 68 | #else
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| 69 | static inline void snd_ak4531_suspend(struct snd_ak4531 *ak4531) {}
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| 70 | static inline void snd_ak4531_resume(struct snd_ak4531 *ak4531) {}
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| 71 | #endif
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| 72 |
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| 73 | #endif /* __SOUND_AK4531_CODEC_H */
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