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      1 #ifndef __SOUND_AK4XXX_ADDA_H
      2 #define __SOUND_AK4XXX_ADDA_H
      3 
      4 /*
      5  *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4381
      6  *   AD and DA converters
      7  *
      8  *	Copyright (c) 2000 Jaroslav Kysela <perex (at) perex.cz>
      9  *
     10  *   This program is free software; you can redistribute it and/or modify
     11  *   it under the terms of the GNU General Public License as published by
     12  *   the Free Software Foundation; either version 2 of the License, or
     13  *   (at your option) any later version.
     14  *
     15  *   This program is distributed in the hope that it will be useful,
     16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
     17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     18  *   GNU General Public License for more details.
     19  *
     20  *   You should have received a copy of the GNU General Public License
     21  *   along with this program; if not, write to the Free Software
     22  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
     23  *
     24  */
     25 
     26 #ifndef AK4XXX_MAX_CHIPS
     27 #define AK4XXX_MAX_CHIPS	4
     28 #endif
     29 
     30 struct snd_akm4xxx;
     31 
     32 struct snd_ak4xxx_ops {
     33 	void (*lock)(struct snd_akm4xxx *ak, int chip);
     34 	void (*unlock)(struct snd_akm4xxx *ak, int chip);
     35 	void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
     36 		      unsigned char val);
     37 	void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
     38 };
     39 
     40 #define AK4XXX_IMAGE_SIZE	(AK4XXX_MAX_CHIPS * 16)	/* 64 bytes */
     41 
     42 /* DAC label and channels */
     43 struct snd_akm4xxx_dac_channel {
     44 	char *name;		/* mixer volume name */
     45 	unsigned int num_channels;
     46 	char *switch_name;		/* mixer switch*/
     47 };
     48 
     49 /* ADC labels and channels */
     50 struct snd_akm4xxx_adc_channel {
     51 	char *name;		/* capture gain volume label */
     52 	char *switch_name;	/* capture switch */
     53 	unsigned int num_channels;
     54 	char *selector_name;	/* capture source select label */
     55 	const char **input_names; /* capture source names (NULL terminated) */
     56 };
     57 
     58 struct snd_akm4xxx {
     59 	struct snd_card *card;
     60 	unsigned int num_adcs;			/* AK4524 or AK4528 ADCs */
     61 	unsigned int num_dacs;			/* AK4524 or AK4528 DACs */
     62 	unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
     63 	unsigned char volumes[AK4XXX_IMAGE_SIZE]; /* saved volume values */
     64 	unsigned long private_value[AK4XXX_MAX_CHIPS];	/* helper for driver */
     65 	void *private_data[AK4XXX_MAX_CHIPS];		/* helper for driver */
     66 	/* template should fill the following fields */
     67 	unsigned int idx_offset;		/* control index offset */
     68 	enum {
     69 		SND_AK4524, SND_AK4528, SND_AK4529,
     70 		SND_AK4355, SND_AK4358, SND_AK4381,
     71 		SND_AK5365
     72 	} type;
     73 
     74 	/* (array) information of combined codecs */
     75 	const struct snd_akm4xxx_dac_channel *dac_info;
     76 	const struct snd_akm4xxx_adc_channel *adc_info;
     77 
     78 	struct snd_ak4xxx_ops ops;
     79 };
     80 
     81 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
     82 		       unsigned char val);
     83 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
     84 void snd_akm4xxx_init(struct snd_akm4xxx *ak);
     85 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
     86 
     87 #define snd_akm4xxx_get(ak,chip,reg) \
     88 	(ak)->images[(chip) * 16 + (reg)]
     89 #define snd_akm4xxx_set(ak,chip,reg,val) \
     90 	((ak)->images[(chip) * 16 + (reg)] = (val))
     91 #define snd_akm4xxx_get_vol(ak,chip,reg) \
     92 	(ak)->volumes[(chip) * 16 + (reg)]
     93 #define snd_akm4xxx_set_vol(ak,chip,reg,val) \
     94 	((ak)->volumes[(chip) * 16 + (reg)] = (val))
     95 
     96 #endif /* __SOUND_AK4XXX_ADDA_H */
     97