LXR linux/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
  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