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Diffstat (limited to 'include/sound/ak4xxx-adda.h')
| -rw-r--r-- | include/sound/ak4xxx-adda.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/sound/ak4xxx-adda.h b/include/sound/ak4xxx-adda.h new file mode 100644 index 000000000000..e94ac0282318 --- /dev/null +++ b/include/sound/ak4xxx-adda.h @@ -0,0 +1,69 @@ +#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@suse.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 + +typedef struct snd_akm4xxx akm4xxx_t; + +struct snd_ak4xxx_ops { + void (*lock)(akm4xxx_t *ak, int chip); + void (*unlock)(akm4xxx_t *ak, int chip); + void (*write)(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val); + // unsigned char (*read)(akm4xxx_t *ak, int chip, unsigned char reg); + void (*set_rate_val)(akm4xxx_t *ak, unsigned int rate); +}; + +#define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */ + +struct snd_akm4xxx { + snd_card_t *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(akm4xxx_t *ak, int chip, unsigned char reg, unsigned char val); +void snd_akm4xxx_reset(akm4xxx_t *ak, int state); +void snd_akm4xxx_init(akm4xxx_t *ak); +int snd_akm4xxx_build_controls(akm4xxx_t *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 */ |