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
  16 struct snd_akm4xxx;
  17
  18 struct 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 */
  29 struct 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 */
  36 struct 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
  44 struct 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
  70 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
  71                        unsigned char val);
  72 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
  73 void snd_akm4xxx_init(struct snd_akm4xxx *ak);
  74 int 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 */