root/include/sound/ak4xxx-adda.h

INCLUDED FROM

#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 */