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ak4531_codec.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_AK4531_CODEC_H
#define __SOUND_AK4531_CODEC_H
/*
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Universal interface for Audio Codec '97
*
* For more details look to AC '97 component specification revision 2.1
* by Intel Corporation (http://developer.intel.com).
*/
#include <sound/info.h>
#include <sound/control.h>
/*
* ASAHI KASEI - AK4531 codec
* - not really AC'97 codec, but it uses very similar interface as AC'97
*/
/*
* AK4531 codec registers
*/
#define AK4531_LMASTER 0x00 /* master volume left */
#define AK4531_RMASTER 0x01 /* master volume right */
#define AK4531_LVOICE 0x02 /* channel volume left */
#define AK4531_RVOICE 0x03 /* channel volume right */
#define AK4531_LFM 0x04 /* FM volume left */
#define AK4531_RFM 0x05 /* FM volume right */
#define AK4531_LCD 0x06 /* CD volume left */
#define AK4531_RCD 0x07 /* CD volume right */
#define AK4531_LLINE 0x08 /* LINE volume left */
#define AK4531_RLINE 0x09 /* LINE volume right */
#define AK4531_LAUXA 0x0a /* AUXA volume left */
#define AK4531_RAUXA 0x0b /* AUXA volume right */
#define AK4531_MONO1 0x0c /* MONO1 volume left */
#define AK4531_MONO2 0x0d /* MONO1 volume right */
#define AK4531_MIC 0x0e /* MIC volume */
#define AK4531_MONO_OUT 0x0f /* Mono-out volume */
#define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */
#define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */
#define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */
#define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */
#define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */
#define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */
#define AK4531_RESET 0x16 /* Reset & power down */
#define AK4531_CLOCK 0x17 /* Clock select */
#define AK4531_AD_IN 0x18 /* AD input select */
#define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */
struct snd_ak4531 {
void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
unsigned short val);
void *private_data;
void (*private_free) (struct snd_ak4531 *ak4531);
/* --- */
unsigned char regs[0x20];
struct mutex reg_mutex;
};
int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
struct snd_ak4531 **rak4531);
#ifdef CONFIG_PM
void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
void snd_ak4531_resume(struct snd_ak4531 *ak4531);
#else
static inline void snd_ak4531_suspend(struct snd_ak4531 *ak4531) {}
static inline void snd_ak4531_resume(struct snd_ak4531 *ak4531) {}
#endif
#endif /* __SOUND_AK4531_CODEC_H */