firmware/target/arm/audio-pp.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Michael Sevakis
  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 "system.h"
  22 #include "cpu.h"
  23 #include "audio.h"
  24 #include "sound.h"
  25
  26 #if INPUT_SRC_CAPS != 0
  27 void audio_set_output_source(int source)
  28 {
  29     if ((unsigned)source >= AUDIO_NUM_SOURCES)
  30         source = AUDIO_SRC_PLAYBACK;
  31 } /* audio_set_output_source */
  32
  33 void audio_input_mux(int source, unsigned flags)
  34 {
  35     (void)flags;
  36     /* Prevent pops from unneeded switching */
  37     static int last_source = AUDIO_SRC_PLAYBACK;
  38 #ifdef HAVE_FMRADIO_REC
  39     bool recording = flags & SRCF_RECORDING;
  40     static bool last_recording = false;
  41 #endif
  42
  43     switch (source)
  44     {
  45         default:                        /* playback - no recording */
  46             source = AUDIO_SRC_PLAYBACK;
  47         case AUDIO_SRC_PLAYBACK:
  48 #ifdef HAVE_RECORDING
  49             if (source != last_source)
  50             {
  51                 audiohw_set_monitor(false);
  52                 audiohw_disable_recording();
  53             }
  54 #endif
  55         break;
  56 #ifdef HAVE_MIC_REC
  57         case AUDIO_SRC_MIC:             /* recording only */
  58             if (source != last_source)
  59             {
  60                 audiohw_set_monitor(false);
  61                 audiohw_enable_recording(true);  /* source mic */
  62             }
  63         break;
  64 #endif
  65 #ifdef HAVE_LINE_REC
  66         case AUDIO_SRC_LINEIN:          /* recording only */
  67 #if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
  68             /* Switch line in source to line-in */
  69             GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x04);
  70 #endif
  71             if (source != last_source)
  72             {
  73                 audiohw_set_monitor(false);
  74                 audiohw_enable_recording(false); /* source line */
  75             }
  76         break;
  77 #endif
  78 #ifdef HAVE_FMRADIO_REC
  79         case AUDIO_SRC_FMRADIO:         /* recording and playback */
  80 #if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
  81             /* Switch line in source to tuner */
  82             GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x04);
  83             /* Set line-in vol to +12dB, which is proper for H10's */
  84             if (!recording)
  85                 audiohw_set_recvol(0x1f, 0x1f, AUDIO_GAIN_LINEIN);
  86 #else            /* Set line-in vol to 0dB*/
  87             if (!recording)
  88                 audiohw_set_recvol(0x17, 0x17, AUDIO_GAIN_LINEIN);
  89 #endif
  90             if (source == last_source && recording == last_recording)
  91                 break;
  92
  93             last_recording = recording;
  94
  95             if (recording)
  96             {
  97                 audiohw_set_monitor(false);  /* disable bypass mode */
  98                 audiohw_enable_recording(false); /* select line-in source */
  99             }
 100             else
 101             {
 102                 audiohw_disable_recording();
 103                 audiohw_set_monitor(true);  /* enable bypass mode */
 104             }
 105         break;
 106 #endif
 107     } /* end switch */
 108
 109     last_source = source;
 110 } /* audio_input_mux */
 111 #endif /* INPUT_SRC_CAPS != 0 */
 112