firmware/drivers/audio/sdl.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright © 2010 Thomas Martitz
  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
  22 #include <SDL_audio.h>
  23 #include "config.h"
  24 #include "audiohw.h"
  25
  26 /**
  27  * Audio Hardware api. Make them do nothing as we cannot properly simulate with
  28  * SDL. if we used DSP we would run code that doesn't actually run on the target
  29  **/
  30
  31 extern void pcm_set_mixer_volume(int);
  32
  33 void audiohw_set_volume(int volume)
  34 {
  35 #if CONFIG_CODEC == SWCODEC
  36     pcm_set_mixer_volume(
  37         SDL_MIX_MAXVOLUME * ((volume - VOLUME_MIN) / 10) / (VOLUME_RANGE / 10));
  38 #else
  39     (void)volume;
  40 #endif
  41 }
  42
  43 const struct sound_settings_info audiohw_settings[] = {
  44     [SOUND_VOLUME]        = {"dB", 0,  1, VOLUME_MIN / 10, VOLUME_MAX / 10, -25},
  45 /* Bass and treble tone controls */
  46 #ifdef AUDIOHW_HAVE_BASS
  47     [SOUND_BASS]          = {"dB", 0,  1, -24,  24,   0},
  48 #endif
  49 #ifdef AUDIOHW_HAVE_TREBLE
  50     [SOUND_TREBLE]        = {"dB", 0,  1, -24,  24,   0},
  51 #endif
  52     [SOUND_BALANCE]       = {"%",  0,  1,-100, 100,   0},
  53     [SOUND_CHANNELS]      = {"",   0,  1,   0,   5,   0},
  54     [SOUND_STEREO_WIDTH]  = {"%",  0,  5,   0, 250, 100},
  55 #if defined(HAVE_RECORDING)
  56     [SOUND_LEFT_GAIN]     = {"dB", 1,  1,-128,  96,   0},
  57     [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,-128,  96,   0},
  58     [SOUND_MIC_GAIN]      = {"dB", 1,  1,-128, 108,  16},
  59 #endif
  60 #if defined(AUDIOHW_HAVE_BASS_CUTOFF)
  61     [SOUND_BASS_CUTOFF]   = {"",   0,  1,   1,   4,   1},
  62 #endif
  63 #if defined(AUDIOHW_HAVE_TREBLE_CUTOFF)
  64     [SOUND_TREBLE_CUTOFF] = {"",   0,  1,   1,   4,   1},
  65 #endif
  66 #if defined(AUDIOHW_HAVE_DEPTH_3D)
  67     [SOUND_DEPTH_3D]      = {"%",  0,   1,   0,  15,   0},
  68 #endif
  69 /* Hardware EQ tone controls */
  70 #if defined(AUDIOHW_HAVE_EQ_BAND1)
  71     [SOUND_EQ_BAND1_GAIN] = {"dB", 0,  1, -12,  12,   0},
  72 #endif
  73 #if defined(AUDIOHW_HAVE_EQ_BAND2)
  74     [SOUND_EQ_BAND2_GAIN] = {"dB", 0,  1, -12,  12,   0},
  75 #endif
  76 #if defined(AUDIOHW_HAVE_EQ_BAND3)
  77     [SOUND_EQ_BAND3_GAIN] = {"dB", 0,  1, -12,  12,   0},
  78 #endif
  79 #if defined(AUDIOHW_HAVE_EQ_BAND4)
  80     [SOUND_EQ_BAND4_GAIN] = {"dB", 0,  1, -12,  12,   0},
  81 #endif
  82 #if defined(AUDIOHW_HAVE_EQ_BAND5)
  83     [SOUND_EQ_BAND5_GAIN] = {"dB", 0,  1, -12,  12,   0},
  84 #endif
  85 #if defined(AUDIOHW_HAVE_EQ_BAND1_FREQUENCY)
  86     [SOUND_EQ_BAND1_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  87 #endif
  88 #if defined(AUDIOHW_HAVE_EQ_BAND2_FREQUENCY)
  89     [SOUND_EQ_BAND2_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  90 #endif
  91 #if defined(AUDIOHW_HAVE_EQ_BAND3_FREQUENCY)
  92     [SOUND_EQ_BAND3_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  93 #endif
  94 #if defined(AUDIOHW_HAVE_EQ_BAND4_FREQUENCY)
  95     [SOUND_EQ_BAND4_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  96 #endif
  97 #if defined(AUDIOHW_HAVE_EQ_BAND5_FREQUENCY)
  98     [SOUND_EQ_BAND5_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  99 #endif
 100 #if defined(AUDIOHW_HAVE_EQ_BAND2_WIDTH)
 101     [SOUND_EQ_BAND2_WIDTH]     = {"",   0,  1,   0,   1,   0},
 102 #endif
 103 #if defined(AUDIOHW_HAVE_EQ_BAND3_WIDTH)
 104     [SOUND_EQ_BAND3_WIDTH]     = {"",   0,  1,   0,   1,   0},
 105 #endif
 106 #if defined(AUDIOHW_HAVE_EQ_BAND4_WIDTH)
 107     [SOUND_EQ_BAND4_WIDTH]     = {"",   0,  1,   0,   1,   0},
 108 #endif
 109
 110 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
 111     [SOUND_LOUDNESS]      = {"dB", 0,  1,   0,  17,   0},
 112     [SOUND_AVC]           = {"",   0,  1,  -1,   4,   0},
 113     [SOUND_MDB_STRENGTH]  = {"dB", 0,  1,   0, 127,  48},
 114     [SOUND_MDB_HARMONICS] = {"%",  0,  1,   0, 100,  50},
 115     [SOUND_MDB_CENTER]    = {"Hz", 0, 10,  20, 300,  60},
 116     [SOUND_MDB_SHAPE]     = {"Hz", 0, 10,  50, 300,  90},
 117     [SOUND_MDB_ENABLE]    = {"",   0,  1,   0,   1,   0},
 118     [SOUND_SUPERBASS]     = {"",   0,  1,   0,   1,   0},
 119 #endif /* (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) */
 120 };
 121
 122 /**
 123  * stubs here, for the simulator
 124  **/
 125
 126 #if defined(AUDIOHW_HAVE_PRESCALER)
 127 void audiohw_set_prescaler(int value)   { (void)value; }
 128 #endif
 129 #if defined(AUDIOHW_HAVE_BALANCE)
 130 void audiohw_set_balance(int value)     { (void)value; }
 131 #endif
 132 #if defined(AUDIOHW_HAVE_BASS)
 133 void audiohw_set_bass(int value)        { (void)value; }
 134 #endif
 135 #if defined(AUDIOHW_HAVE_TREBLE)
 136 void audiohw_set_treble(int value)      { (void)value; }
 137 #endif
 138 #if CONFIG_CODEC != SWCODEC
 139 void audiohw_set_channel(int value)     { (void)value; }
 140 void audiohw_set_stereo_width(int value){ (void)value; }
 141 #endif
 142 #if defined(AUDIOHW_HAVE_BASS_CUTOFF)
 143 void audiohw_set_bass_cutoff(int value) { (void)value; }
 144 #endif
 145 #if defined(AUDIOHW_HAVE_TREBLE_CUTOFF)
 146 void audiohw_set_treble_cutoff(int value){ (void)value; }
 147 #endif
 148 /* EQ-based tone controls */
 149 #if defined(AUDIOHW_HAVE_EQ)
 150 void audiohw_set_eq_band_gain(unsigned int band, int value)
 151     { (void)band; (void)value; }
 152 #endif
 153 #if defined(AUDIOHW_HAVE_EQ_FREQUENCY)
 154 void audiohw_set_eq_band_frequency(unsigned int band, int value)
 155     { (void)band; (void)value; }
 156 #endif
 157 #if defined(AUDIOHW_HAVE_EQ_WIDTH)
 158 void audiohw_set_eq_band_width(unsigned int band, int value)
 159     { (void)band; (void)value; }
 160 #endif
 161 #if defined(AUDIOHW_HAVE_DEPTH_3D)
 162 void audiohw_set_depth_3d(int value)
 163     { (void)value; }
 164 #endif
 165 #if defined(HAVE_SAMPR_TYPE_REC)
 166 unsigned int pcm_sampr_type_rec_to_play(int samplerate)
 167     { return samplerate; }
 168 #endif
 169 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
 170 int mas_codec_readreg(int reg)
 171 {
 172     (void)reg;
 173     return 0;
 174 }
 175
 176 int mas_codec_writereg(int reg, unsigned int val)
 177 {
 178     (void)reg;
 179     (void)val;
 180     return 0;
 181 }
 182 int mas_writemem(int bank, int addr, const unsigned long* src, int len)
 183 {
 184     (void)bank;
 185     (void)addr;
 186     (void)src;
 187     (void)len;
 188     return 0;
 189 }
 190 #endif