Root/include/sound/ak4xxx-adda.h

1#ifndef __SOUND_AK4XXX_ADDA_H
2#define __SOUND_AK4XXX_ADDA_H
3
4/*
5 * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
6 * AD and DA converters
7 *
8 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26#ifndef AK4XXX_MAX_CHIPS
27#define AK4XXX_MAX_CHIPS 4
28#endif
29
30struct snd_akm4xxx;
31
32struct snd_ak4xxx_ops {
33    void (*lock)(struct snd_akm4xxx *ak, int chip);
34    void (*unlock)(struct snd_akm4xxx *ak, int chip);
35    void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
36              unsigned char val);
37    void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
38};
39
40#define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
41
42/* DAC label and channels */
43struct snd_akm4xxx_dac_channel {
44    char *name; /* mixer volume name */
45    unsigned int num_channels;
46    char *switch_name; /* mixer switch*/
47};
48
49/* ADC labels and channels */
50struct snd_akm4xxx_adc_channel {
51    char *name; /* capture gain volume label */
52    char *switch_name; /* capture switch */
53    unsigned int num_channels;
54    char *selector_name; /* capture source select label */
55    const char **input_names; /* capture source names (NULL terminated) */
56};
57
58struct snd_akm4xxx {
59    struct snd_card *card;
60    unsigned int num_adcs; /* AK4524 or AK4528 ADCs */
61    unsigned int num_dacs; /* AK4524 or AK4528 DACs */
62    unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
63    unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
64    unsigned long private_value[AK4XXX_MAX_CHIPS]; /* helper for driver */
65    void *private_data[AK4XXX_MAX_CHIPS]; /* helper for driver */
66    /* template should fill the following fields */
67    unsigned int idx_offset; /* control index offset */
68    enum {
69        SND_AK4524, SND_AK4528, SND_AK4529,
70        SND_AK4355, SND_AK4358, SND_AK4381,
71        SND_AK5365, SND_AK4620,
72    } type;
73
74    /* (array) information of combined codecs */
75    const struct snd_akm4xxx_dac_channel *dac_info;
76    const struct snd_akm4xxx_adc_channel *adc_info;
77
78    struct snd_ak4xxx_ops ops;
79    unsigned int num_chips;
80    unsigned int total_regs;
81    const char *name;
82};
83
84void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
85               unsigned char val);
86void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
87void snd_akm4xxx_init(struct snd_akm4xxx *ak);
88int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
89
90#define snd_akm4xxx_get(ak,chip,reg) \
91    (ak)->images[(chip) * 16 + (reg)]
92#define snd_akm4xxx_set(ak,chip,reg,val) \
93    ((ak)->images[(chip) * 16 + (reg)] = (val))
94#define snd_akm4xxx_get_vol(ak,chip,reg) \
95    (ak)->volumes[(chip) * 16 + (reg)]
96#define snd_akm4xxx_set_vol(ak,chip,reg,val) \
97    ((ak)->volumes[(chip) * 16 + (reg)] = (val))
98
99#endif /* __SOUND_AK4XXX_ADDA_H */
100

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