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