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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 | ||
30 | typedef struct snd_akm4xxx akm4xxx_t; | |
31 | ||
32 | struct 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 | ||
42 | struct 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 | ||
59 | void snd_akm4xxx_write(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val); | |
60 | void snd_akm4xxx_reset(akm4xxx_t *ak, int state); | |
61 | void snd_akm4xxx_init(akm4xxx_t *ak); | |
62 | int 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 */ |