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ak4xxx-adda.h

#ifndef __SOUND_AK4XXX_ADDA_H
#define __SOUND_AK4XXX_ADDA_H

/*
 *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
 *   AD and DA converters
 *
 *    Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */      

#ifndef AK4XXX_MAX_CHIPS
#define AK4XXX_MAX_CHIPS      4
#endif

struct snd_akm4xxx;

struct snd_ak4xxx_ops {
      void (*lock)(struct snd_akm4xxx *ak, int chip);
      void (*unlock)(struct snd_akm4xxx *ak, int chip);
      void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
                  unsigned char val);
      void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
};

#define AK4XXX_IMAGE_SIZE     (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */

/* DAC label and channels */
struct snd_akm4xxx_dac_channel {
      char *name;       /* mixer volume name */
      unsigned int num_channels;
      char *switch_name;            /* mixer switch*/
};

/* ADC labels and channels */
struct snd_akm4xxx_adc_channel {
      char *name;       /* capture gain volume label */
      char *switch_name;      /* capture switch */
      unsigned int num_channels;
      char *selector_name;    /* capture source select label */
      const char **input_names; /* capture source names (NULL terminated) */
};

struct snd_akm4xxx {
      struct snd_card *card;
      unsigned int num_adcs;              /* AK4524 or AK4528 ADCs */
      unsigned int num_dacs;              /* AK4524 or AK4528 DACs */
      unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
      unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
      unsigned long private_value[AK4XXX_MAX_CHIPS];  /* helper for driver */
      void *private_data[AK4XXX_MAX_CHIPS];           /* helper for driver */
      /* template should fill the following fields */
      unsigned int idx_offset;            /* control index offset */
      enum {
            SND_AK4524, SND_AK4528, SND_AK4529,
            SND_AK4355, SND_AK4358, SND_AK4381,
            SND_AK5365
      } type;

      /* (array) information of combined codecs */
      const struct snd_akm4xxx_dac_channel *dac_info;
      const struct snd_akm4xxx_adc_channel *adc_info;

      struct snd_ak4xxx_ops ops;
};

void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
                   unsigned char val);
void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
void snd_akm4xxx_init(struct snd_akm4xxx *ak);
int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);

#define snd_akm4xxx_get(ak,chip,reg) \
      (ak)->images[(chip) * 16 + (reg)]
#define snd_akm4xxx_set(ak,chip,reg,val) \
      ((ak)->images[(chip) * 16 + (reg)] = (val))
#define snd_akm4xxx_get_vol(ak,chip,reg) \
      (ak)->volumes[(chip) * 16 + (reg)]
#define snd_akm4xxx_set_vol(ak,chip,reg,val) \
      ((ak)->volumes[(chip) * 16 + (reg)] = (val))

#endif /* __SOUND_AK4XXX_ADDA_H */

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