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
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