mirror of https://gitee.com/openkylin/linux.git
70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
#ifndef __SOUND_AK4XXX_ADDA_H
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#define __SOUND_AK4XXX_ADDA_H
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/*
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* ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
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* AD and DA converters
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*
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* Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef AK4XXX_MAX_CHIPS
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#define AK4XXX_MAX_CHIPS 4
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#endif
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struct snd_akm4xxx;
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struct snd_ak4xxx_ops {
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void (*lock)(struct snd_akm4xxx *ak, int chip);
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void (*unlock)(struct snd_akm4xxx *ak, int chip);
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void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val);
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// unsigned char (*read)(struct snd_akm4xxx *ak, int chip, unsigned char reg);
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void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
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};
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#define AK4XXX_IMAGE_SIZE (AK4XXX_MAX_CHIPS * 16) /* 64 bytes */
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struct snd_akm4xxx {
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struct snd_card *card;
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unsigned int num_adcs; /* AK4524 or AK4528 ADCs */
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unsigned int num_dacs; /* AK4524 or AK4528 DACs */
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unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
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unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image for IPGA (AK4528) */
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unsigned long private_value[AK4XXX_MAX_CHIPS]; /* helper for driver */
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void *private_data[AK4XXX_MAX_CHIPS]; /* helper for driver */
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/* template should fill the following fields */
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unsigned int idx_offset; /* control index offset */
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enum {
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SND_AK4524, SND_AK4528, SND_AK4529,
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SND_AK4355, SND_AK4358, SND_AK4381
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} type;
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struct snd_ak4xxx_ops ops;
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};
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void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val);
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void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
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void snd_akm4xxx_init(struct snd_akm4xxx *ak);
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int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
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#define snd_akm4xxx_get(ak,chip,reg) (ak)->images[(chip) * 16 + (reg)]
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#define snd_akm4xxx_set(ak,chip,reg,val) ((ak)->images[(chip) * 16 + (reg)] = (val))
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#define snd_akm4xxx_get_ipga(ak,chip,reg) (ak)->ipga_gain[chip][(reg)-4]
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#define snd_akm4xxx_set_ipga(ak,chip,reg,val) ((ak)->ipga_gain[chip][(reg)-4] = (val))
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#endif /* __SOUND_AK4XXX_ADDA_H */
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