firmware/target/arm/as3525/audio-as3525.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 by Bertrik Sikken
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "config.h"
  22 #include "system.h"
  23 #include "cpu.h"
  24 #include "audio.h"
  25 #include "audiohw.h"
  26 #include "sound.h"
  27
  28 void audio_set_output_source(int source)
  29 {
  30     (void)source;
  31 }
  32
  33 void audio_input_mux(int source, unsigned flags)
  34 {
  35     static int last_source = AUDIO_SRC_PLAYBACK;
  36 #if defined(HAVE_RECORDING) && (INPUT_SRC_CAPS & SRC_CAP_FMRADIO)
  37     static bool last_recording = false;
  38     const bool recording = flags & SRCF_RECORDING;
  39 #else
  40     (void) flags;
  41 #endif
  42
  43     switch (source)
  44     {
  45         default:                        /* playback - no recording */
  46             source = AUDIO_SRC_PLAYBACK;
  47         case AUDIO_SRC_PLAYBACK:
  48             if (source != last_source)
  49             {
  50 #if defined(HAVE_RECORDING) || defined(HAVE_FMRADIO_IN)
  51                 audiohw_set_monitor(false);
  52 #endif
  53 #ifdef HAVE_RECORDING
  54                 audiohw_disable_recording();
  55 #endif
  56             }
  57             break;
  58
  59 #if defined(HAVE_RECORDING) && (INPUT_SRC_CAPS & SRC_CAP_MIC)
  60         case AUDIO_SRC_MIC:             /* recording only */
  61             if (source != last_source)
  62             {
  63                 audiohw_set_monitor(false);
  64                 audiohw_enable_recording(true);  /* source mic */
  65             }
  66             break;
  67 #endif
  68
  69 #if (INPUT_SRC_CAPS & SRC_CAP_FMRADIO)
  70
  71         case AUDIO_SRC_FMRADIO:         /* recording and playback */
  72             if (source == last_source
  73 #ifdef HAVE_RECORDING
  74                     && recording == last_recording
  75 #endif
  76                 )
  77                 break;
  78
  79 #ifdef HAVE_RECORDING
  80             last_recording = recording;
  81
  82             if (recording)
  83             {
  84                 audiohw_set_monitor(false);
  85                 audiohw_enable_recording(false);
  86             }
  87             else
  88 #endif
  89             {
  90 #ifdef HAVE_RECORDING
  91                 audiohw_disable_recording();
  92 #endif
  93 #if defined(HAVE_RECORDING) || defined(HAVE_FMRADIO_IN)
  94                 audiohw_set_monitor(true); /* line 2 analog audio path */
  95 #endif
  96             }
  97             break;
  98 #endif /* (INPUT_SRC_CAPS & SRC_CAP_FMRADIO) */
  99     }
 100
 101     last_source = source;
 102 }