xref: /linux/include/sound/ak4xxx-adda.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
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 
16 struct snd_akm4xxx;
17 
18 struct 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 */
29 struct 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 */
36 struct 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 
44 struct 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 
70 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
71 		       unsigned char val);
72 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
73 void snd_akm4xxx_init(struct snd_akm4xxx *ak);
74 int 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