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 #else 69 static inline void snd_ak4531_suspend(struct snd_ak4531 *ak4531) {} 70 static inline void snd_ak4531_resume(struct snd_ak4531 *ak4531) {} 71 #endif 72 73 #endif /* __SOUND_AK4531_CODEC_H */ 74