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Linux kernel mirror (for testing)
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linux
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@suse.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
30typedef struct snd_akm4xxx akm4xxx_t;
31
32struct snd_ak4xxx_ops {
33 void (*lock)(akm4xxx_t *ak, int chip);
34 void (*unlock)(akm4xxx_t *ak, int chip);
35 void (*write)(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val);
36 // unsigned char (*read)(akm4xxx_t *ak, int chip, unsigned char reg);
37 void (*set_rate_val)(akm4xxx_t *ak, unsigned int rate);
38};
39
40#define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
41
42struct snd_akm4xxx {
43 snd_card_t *card;
44 unsigned int num_adcs; /* AK4524 or AK4528 ADCs */
45 unsigned int num_dacs; /* AK4524 or AK4528 DACs */
46 unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
47 unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image for IPGA (AK4528) */
48 unsigned long private_value[AK4XXX_MAX_CHIPS]; /* helper for driver */
49 void *private_data[AK4XXX_MAX_CHIPS]; /* helper for driver */
50 /* template should fill the following fields */
51 unsigned int idx_offset; /* control index offset */
52 enum {
53 SND_AK4524, SND_AK4528, SND_AK4529,
54 SND_AK4355, SND_AK4358, SND_AK4381
55 } type;
56 struct snd_ak4xxx_ops ops;
57};
58
59void snd_akm4xxx_write(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val);
60void snd_akm4xxx_reset(akm4xxx_t *ak, int state);
61void snd_akm4xxx_init(akm4xxx_t *ak);
62int snd_akm4xxx_build_controls(akm4xxx_t *ak);
63
64#define snd_akm4xxx_get(ak,chip,reg) (ak)->images[(chip) * 16 + (reg)]
65#define snd_akm4xxx_set(ak,chip,reg,val) ((ak)->images[(chip) * 16 + (reg)] = (val))
66#define snd_akm4xxx_get_ipga(ak,chip,reg) (ak)->ipga_gain[chip][(reg)-4]
67#define snd_akm4xxx_set_ipga(ak,chip,reg,val) ((ak)->ipga_gain[chip][(reg)-4] = (val))
68
69#endif /* __SOUND_AK4XXX_ADDA_H */