ak4xxx-adda.h (2724B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2#ifndef __SOUND_AK4XXX_ADDA_H 3#define __SOUND_AK4XXX_ADDA_H 4 5/* 6 * ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381 7 * AD and DA converters 8 * 9 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 10 */ 11 12#ifndef AK4XXX_MAX_CHIPS 13#define AK4XXX_MAX_CHIPS 4 14#endif 15 16struct snd_akm4xxx; 17 18struct snd_ak4xxx_ops { 19 void (*lock)(struct snd_akm4xxx *ak, int chip); 20 void (*unlock)(struct snd_akm4xxx *ak, int chip); 21 void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg, 22 unsigned char val); 23 void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate); 24}; 25 26#define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */ 27 28/* DAC label and channels */ 29struct snd_akm4xxx_dac_channel { 30 char *name; /* mixer volume name */ 31 unsigned int num_channels; 32 char *switch_name; /* mixer switch*/ 33}; 34 35/* ADC labels and channels */ 36struct snd_akm4xxx_adc_channel { 37 char *name; /* capture gain volume label */ 38 char *switch_name; /* capture switch */ 39 unsigned int num_channels; 40 char *selector_name; /* capture source select label */ 41 const char **input_names; /* capture source names (NULL terminated) */ 42}; 43 44struct snd_akm4xxx { 45 struct snd_card *card; 46 unsigned int num_adcs; /* AK4524 or AK4528 ADCs */ 47 unsigned int num_dacs; /* AK4524 or AK4528 DACs */ 48 unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */ 49 unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */ 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 SND_AK5365, SND_AK4620, 58 } type; 59 60 /* (array) information of combined codecs */ 61 const struct snd_akm4xxx_dac_channel *dac_info; 62 const struct snd_akm4xxx_adc_channel *adc_info; 63 64 struct snd_ak4xxx_ops ops; 65 unsigned int num_chips; 66 unsigned int total_regs; 67 const char *name; 68}; 69 70void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, 71 unsigned char val); 72void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state); 73void snd_akm4xxx_init(struct snd_akm4xxx *ak); 74int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak); 75 76#define snd_akm4xxx_get(ak,chip,reg) \ 77 (ak)->images[(chip) * 16 + (reg)] 78#define snd_akm4xxx_set(ak,chip,reg,val) \ 79 ((ak)->images[(chip) * 16 + (reg)] = (val)) 80#define snd_akm4xxx_get_vol(ak,chip,reg) \ 81 (ak)->volumes[(chip) * 16 + (reg)] 82#define snd_akm4xxx_set_vol(ak,chip,reg,val) \ 83 ((ak)->volumes[(chip) * 16 + (reg)] = (val)) 84 85#endif /* __SOUND_AK4XXX_ADDA_H */