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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
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
42struct snd_akm4xxx {
43 struct snd_card *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
48 * for IPGA (AK4528)
49 */
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 } type;
58 unsigned int *num_stereo; /* array of combined counts
59 * for the mixer
60 */
61 char **channel_names; /* array of mixer channel names */
62 struct snd_ak4xxx_ops ops;
63};
64
65void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
66 unsigned char val);
67void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
68void snd_akm4xxx_init(struct snd_akm4xxx *ak);
69int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
70
71#define snd_akm4xxx_get(ak,chip,reg) \
72 (ak)->images[(chip) * 16 + (reg)]
73#define snd_akm4xxx_set(ak,chip,reg,val) \
74 ((ak)->images[(chip) * 16 + (reg)] = (val))
75#define snd_akm4xxx_get_ipga(ak,chip,reg) \
76 (ak)->ipga_gain[chip][(reg)-4]
77#define snd_akm4xxx_set_ipga(ak,chip,reg,val) \
78 ((ak)->ipga_gain[chip][(reg)-4] = (val))
79
80#endif /* __SOUND_AK4XXX_ADDA_H */