Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ]
Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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@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 
  This page was automatically generated by the LXR engine.