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1/* SPDX-License-Identifier: GPL-2.0-or-later */2#ifndef __SOUND_AK4531_CODEC_H3#define __SOUND_AK4531_CODEC_H4 5/*6 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>7 * Universal interface for Audio Codec '978 *9 * For more details look to AC '97 component specification revision 2.110 * 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 codec18 * - not really AC'97 codec, but it uses very similar interface as AC'9719 */20 21/*22 * AK4531 codec registers23 */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 52struct 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 62int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,63 struct snd_ak4531 **rak4531);64 65#ifdef CONFIG_PM66void snd_ak4531_suspend(struct snd_ak4531 *ak4531);67void snd_ak4531_resume(struct snd_ak4531 *ak4531);68#else69static inline void snd_ak4531_suspend(struct snd_ak4531 *ak4531) {}70static inline void snd_ak4531_resume(struct snd_ak4531 *ak4531) {}71#endif72 73#endif /* __SOUND_AK4531_CODEC_H */74