blob: 3bf5911fe8273570206983931f22f0a118d05cb2 [file] [log] [blame]
* ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
* AD and DA converters
* Copyright (c) 2000 Jaroslav Kysela <>
* 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
* 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
#define AK4XXX_MAX_CHIPS 4
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);
// unsigned char (*read)(struct snd_akm4xxx *ak, int chip, unsigned char reg);
void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
#define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
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 ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image for IPGA (AK4528) */
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
} type;
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_ipga(ak,chip,reg) (ak)->ipga_gain[chip][(reg)-4]
#define snd_akm4xxx_set_ipga(ak,chip,reg,val) ((ak)->ipga_gain[chip][(reg)-4] = (val))
#endif /* __SOUND_AK4XXX_ADDA_H */