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Edit File: ak4xxx-adda.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_AK4XXX_ADDA_H
#define __SOUND_AK4XXX_ADDA_H

/*
 *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
 *   AD and DA converters
 *
 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
 */

#ifndef AK4XXX_MAX_CHIPS
#define AK4XXX_MAX_CHIPS	4
#endif

struct snd_akm4xxx;

struct snd_ak4xxx_ops {
	void (*lock)(struct snd_akm4xxx *ak, int chip);
	void (*unlock)(struct snd_akm4xxx *ak, int chip);
	void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
		      unsigned char val);
	void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
};

#define AK4XXX_IMAGE_SIZE	(AK4XXX_MAX_CHIPS * 16)	/* 64 bytes */

/* DAC label and channels */
struct snd_akm4xxx_dac_channel {
	char *name;		/* mixer volume name */
	unsigned int num_channels;
	char *switch_name;		/* mixer switch*/
};

/* ADC labels and channels */
struct snd_akm4xxx_adc_channel {
	char *name;		/* capture gain volume label */
	char *switch_name;	/* capture switch */
	unsigned int num_channels;
	char *selector_name;	/* capture source select label */
	const char **input_names; /* capture source names (NULL terminated) */
};

struct snd_akm4xxx {
	struct snd_card *card;
	unsigned int num_adcs;			/* AK4524 or AK4528 ADCs */
	unsigned int num_dacs;			/* AK4524 or AK4528 DACs */
	unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
	unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
	unsigned long private_value[AK4XXX_MAX_CHIPS];	/* helper for driver */
	void *private_data[AK4XXX_MAX_CHIPS];		/* helper for driver */
	/* template should fill the following fields */
	unsigned int idx_offset;		/* control index offset */
	enum {
		SND_AK4524, SND_AK4528, SND_AK4529,
		SND_AK4355, SND_AK4358, SND_AK4381,
		SND_AK5365, SND_AK4620,
	} type;

/* (array) information of combined codecs */
	const struct snd_akm4xxx_dac_channel *dac_info;
	const struct snd_akm4xxx_adc_channel *adc_info;

struct snd_ak4xxx_ops ops;
	unsigned int num_chips;
	unsigned int total_regs;
	const char *name;
};

void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
		       unsigned char val);
void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
void snd_akm4xxx_init(struct snd_akm4xxx *ak);
int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);

#define snd_akm4xxx_get(ak,chip,reg) \
	(ak)->images[(chip) * 16 + (reg)]
#define snd_akm4xxx_set(ak,chip,reg,val) \
	((ak)->images[(chip) * 16 + (reg)] = (val))
#define snd_akm4xxx_get_vol(ak,chip,reg) \
	(ak)->volumes[(chip) * 16 + (reg)]
#define snd_akm4xxx_set_vol(ak,chip,reg,val) \
	((ak)->volumes[(chip) * 16 + (reg)] = (val))

#endif /* __SOUND_AK4XXX_ADDA_H */