| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |