/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
 *
 * @File        ctmixer.h
 *
 * @Brief
 * This file contains the definition of the mixer device functions.
 *
 * @Author      Liu Chun
 * @Date        Mar 28 2008
 */

#ifndef CTMIXER_H
#define CTMIXER_H

#include "ctatc.h"
#include "ctresource.h"

struct snd_kcontrol;

#define INIT_VOL        0x1c00

enum MIXER_PORT_T {
        MIX_WAVE_FRONT,
        MIX_WAVE_REAR,
        MIX_WAVE_CENTLFE,
        MIX_WAVE_SURROUND,
        MIX_SPDIF_OUT,
        MIX_PCMO_FRONT,
        MIX_MIC_IN,
        MIX_LINE_IN,
        MIX_SPDIF_IN,
        MIX_PCMI_FRONT,
        MIX_PCMI_REAR,
        MIX_PCMI_CENTLFE,
        MIX_PCMI_SURROUND,

        NUM_MIX_PORTS
};

/* alsa mixer descriptor */
struct ct_mixer {
        struct ct_atc *atc;

        struct sum **sums;              /* sum resources for signal collection */
        struct snd_kcontrol *line_mic_kctls[2]; /* line/mic capture switch controls */
        unsigned int switch_state; /* A bit-map to indicate state of switches */

        int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
                                  struct rsc **rleft, struct rsc **rright);

        int (*set_input_left)(struct ct_mixer *mixer,
                              enum MIXER_PORT_T type, struct rsc *rsc);
        int (*set_input_right)(struct ct_mixer *mixer,
                               enum MIXER_PORT_T type, struct rsc *rsc);
#ifdef CONFIG_PM_SLEEP
        int (*resume)(struct ct_mixer *mixer);
#endif
        struct amixer *amixers[];               /* amixer resources for volume control */
};

int ct_alsa_mix_create(struct ct_atc *atc,
                       enum CTALSADEVS device,
                       const char *device_name);
int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
int ct_mixer_destroy(struct ct_mixer *mixer);

#endif /* CTMIXER_H */