LXR linux/include/sound/ak4xxx-adda.h

   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 */
  86