1/* SPDX-License-Identifier: GPL-2.0-or-later */
2#ifndef __SOUND_AK4XXX_ADDA_H
3#define __SOUND_AK4XXX_ADDA_H
4
5/*
6 *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
7 *   AD and DA converters
8 *
9 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
10 */
11
12#ifndef AK4XXX_MAX_CHIPS
13#define AK4XXX_MAX_CHIPS	4
14#endif
15
16struct snd_akm4xxx;
17
18struct snd_ak4xxx_ops {
19	void (*lock)(struct snd_akm4xxx *ak, int chip);
20	void (*unlock)(struct snd_akm4xxx *ak, int chip);
21	void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
22		      unsigned char val);
23	void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
24};
25
26#define AK4XXX_IMAGE_SIZE	(AK4XXX_MAX_CHIPS * 16)	/* 64 bytes */
27
28/* DAC label and channels */
29struct snd_akm4xxx_dac_channel {
30	char *name;		/* mixer volume name */
31	unsigned int num_channels;
32	char *switch_name;		/* mixer switch*/
33};
34
35/* ADC labels and channels */
36struct snd_akm4xxx_adc_channel {
37	char *name;		/* capture gain volume label */
38	char *switch_name;	/* capture switch */
39	unsigned int num_channels;
40	char *selector_name;	/* capture source select label */
41	const char **input_names; /* capture source names (NULL terminated) */
42};
43
44struct snd_akm4xxx {
45	struct snd_card *card;
46	unsigned int num_adcs;			/* AK4524 or AK4528 ADCs */
47	unsigned int num_dacs;			/* AK4524 or AK4528 DACs */
48	unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
49	unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
50	unsigned long private_value[AK4XXX_MAX_CHIPS];	/* helper for driver */
51	void *private_data[AK4XXX_MAX_CHIPS];		/* helper for driver */
52	/* template should fill the following fields */
53	unsigned int idx_offset;		/* control index offset */
54	enum {
55		SND_AK4524, SND_AK4528, SND_AK4529,
56		SND_AK4355, SND_AK4358, SND_AK4381,
57		SND_AK5365, SND_AK4620,
58	} type;
59
60	/* (array) information of combined codecs */
61	const struct snd_akm4xxx_dac_channel *dac_info;
62	const struct snd_akm4xxx_adc_channel *adc_info;
63
64	struct snd_ak4xxx_ops ops;
65	unsigned int num_chips;
66	unsigned int total_regs;
67	const char *name;
68};
69
70void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
71		       unsigned char val);
72void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
73void snd_akm4xxx_init(struct snd_akm4xxx *ak);
74int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
75
76#define snd_akm4xxx_get(ak,chip,reg) \
77	(ak)->images[(chip) * 16 + (reg)]
78#define snd_akm4xxx_set(ak,chip,reg,val) \
79	((ak)->images[(chip) * 16 + (reg)] = (val))
80#define snd_akm4xxx_get_vol(ak,chip,reg) \
81	(ak)->volumes[(chip) * 16 + (reg)]
82#define snd_akm4xxx_set_vol(ak,chip,reg,val) \
83	((ak)->volumes[(chip) * 16 + (reg)] = (val))
84
85#endif /* __SOUND_AK4XXX_ADDA_H */
86