include/sound/ak4xxx-adda.h

   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
  30 struct snd_akm4xxx;
  31
  32 struct 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 */
  43 struct 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 */
  50 struct 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
  58 struct 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
  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 };
  80
  81 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
  82                        unsigned char val);
  83 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
  84 void snd_akm4xxx_init(struct snd_akm4xxx *ak);
  85 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
  86
  87 #define snd_akm4xxx_get(ak,chip,reg) \
  88         (ak)->images[(chip) * 16 + (reg)]
  89 #define snd_akm4xxx_set(ak,chip,reg,val) \
  90         ((ak)->images[(chip) * 16 + (reg)] = (val))
  91 #define snd_akm4xxx_get_vol(ak,chip,reg) \
  92         (ak)->volumes[(chip) * 16 + (reg)]
  93 #define snd_akm4xxx_set_vol(ak,chip,reg,val) \
  94         ((ak)->volumes[(chip) * 16 + (reg)] = (val))
  95
  96 #endif /* __SOUND_AK4XXX_ADDA_H */