/* 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 */