firmware/export/audiohw.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 by Christian Gmeiner
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #ifndef _AUDIOHW_H_
  21 #define _AUDIOHW_H_
  22
  23 #include "config.h"
  24 #include <stdbool.h>
  25
  26 #ifdef HAVE_UDA1380
  27 #include "uda1380.h"
  28 #elif defined(HAVE_WM8751)
  29 #include "wm8751.h"
  30 #elif defined(HAVE_WM8975)
  31 #include "wm8975.h"
  32 #elif defined(HAVE_WM8758)
  33 #include "wm8758.h"
  34 #elif defined(HAVE_WM8731) || defined(HAVE_WM8721)
  35 #include "wm8731l.h"
  36 #elif defined(HAVE_TLV320)
  37 #include "tlv320.h"
  38 #elif defined(HAVE_AS3514)
  39 #include "as3514.h"
  40 #elif defined(HAVE_MAS35XX)
  41 #include "mas35xx.h"
  42 #endif
  43
  44 enum {
  45     SOUND_VOLUME = 0,
  46     SOUND_BASS,
  47     SOUND_TREBLE,
  48     SOUND_BALANCE,
  49     SOUND_CHANNELS,
  50     SOUND_STEREO_WIDTH,
  51 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
  52     SOUND_LOUDNESS,
  53     SOUND_AVC,
  54     SOUND_MDB_STRENGTH,
  55     SOUND_MDB_HARMONICS,
  56     SOUND_MDB_CENTER,
  57     SOUND_MDB_SHAPE,
  58     SOUND_MDB_ENABLE,
  59     SOUND_SUPERBASS,
  60 #endif
  61 #if CONFIG_CODEC == MAS3587F || defined(HAVE_UDA1380) || defined(HAVE_TLV320)\
  62     || defined(HAVE_WM8975) || defined(HAVE_WM8758) || defined(HAVE_WM8731) \
  63     || defined(HAVE_AS3514)
  64     SOUND_LEFT_GAIN,
  65     SOUND_RIGHT_GAIN,
  66     SOUND_MIC_GAIN,
  67 #endif
  68 };
  69
  70 enum Channel {
  71     SOUND_CHAN_STEREO,
  72     SOUND_CHAN_MONO,
  73     SOUND_CHAN_CUSTOM,
  74     SOUND_CHAN_MONO_LEFT,
  75     SOUND_CHAN_MONO_RIGHT,
  76     SOUND_CHAN_KARAOKE,
  77     SOUND_CHAN_NUM_MODES,
  78 };
  79
  80 struct sound_settings_info {
  81     const char *unit;
  82     int numdecimals;
  83     int steps;
  84     int minval;
  85     int maxval;
  86     int defaultval;
  87 };
  88
  89 /* This struct is used by every driver to export its min/max/default values for
  90  * its audio settings. Keep in mind that the order must be correct! */
  91 extern const struct sound_settings_info audiohw_settings[];
  92
  93 /* All usable functions implemented by a audio codec drivers. Most of
  94  * the function in sound settings are only called, when in audio codecs
  95  * .h file suitable defines are added.
  96  */
  97
  98 /**
  99  * Initialize audio codec to a well defined state.
 100  */
 101 void audiohw_init(void);
 102
 103 /**
 104  * Close audio codec.
 105  */
 106 void audiohw_close(void);
 107
 108 /**
 109  * Mute or enable sound.
 110  * @param mute true or false
 111  */
 112 void audiohw_mute(bool mute);
 113
 114 #endif /* _AUDIOHW_H_ */