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 #include "pcm_sampr.h"
  26
  27 /**
  28  * Audio Hardware api. Make them do nothing as we cannot properly simulate with
  29  * SDL. if we used DSP we would run code that doesn't actually run on the target
  30  **/
  31
  32 extern void pcm_set_mixer_volume(int);
  33
  34 void audiohw_set_volume(int volume)
  35 {
  36 #if CONFIG_CODEC == SWCODEC
  37     pcm_set_mixer_volume(
  38         SDL_MIX_MAXVOLUME * ((volume - VOLUME_MIN) / 10) / (VOLUME_RANGE / 10));
  39 #else
  40     (void)volume;
  41 #endif
  42 }
  43
  44 const struct sound_settings_info audiohw_settings[] = {
  45     [SOUND_VOLUME]        = {"dB", 0,  1, VOLUME_MIN / 10, VOLUME_MAX / 10, -25},
  46 /* Bass and treble tone controls */
  47 #ifdef AUDIOHW_HAVE_BASS
  48     [SOUND_BASS]          = {"dB", 0,  1, -24,  24,   0},
  49 #endif
  50 #ifdef AUDIOHW_HAVE_TREBLE
  51     [SOUND_TREBLE]        = {"dB", 0,  1, -24,  24,   0},
  52 #endif
  53     [SOUND_BALANCE]       = {"%",  0,  1,-100, 100,   0},
  54     [SOUND_CHANNELS]      = {"",   0,  1,   0,   5,   0},
  55     [SOUND_STEREO_WIDTH]  = {"%",  0,  5,   0, 250, 100},
  56 #if defined(HAVE_RECORDING)
  57     [SOUND_LEFT_GAIN]     = {"dB", 1,  1,-128,  96,   0},
  58     [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,-128,  96,   0},
  59     [SOUND_MIC_GAIN]      = {"dB", 1,  1,-128, 108,  16},
  60 #endif
  61 #if defined(AUDIOHW_HAVE_BASS_CUTOFF)
  62     [SOUND_BASS_CUTOFF]   = {"",   0,  1,   1,   4,   1},
  63 #endif
  64 #if defined(AUDIOHW_HAVE_TREBLE_CUTOFF)
  65     [SOUND_TREBLE_CUTOFF] = {"",   0,  1,   1,   4,   1},
  66 #endif
  67 #if defined(AUDIOHW_HAVE_DEPTH_3D)
  68     [SOUND_DEPTH_3D]      = {"%",  0,   1,   0,  15,   0},
  69 #endif
  70 /* Hardware EQ tone controls */
  71 #if defined(AUDIOHW_HAVE_EQ_BAND1)
  72     [SOUND_EQ_BAND1_GAIN] = {"dB", 0,  1, -12,  12,   0},
  73 #endif
  74 #if defined(AUDIOHW_HAVE_EQ_BAND2)
  75     [SOUND_EQ_BAND2_GAIN] = {"dB", 0,  1, -12,  12,   0},
  76 #endif
  77 #if defined(AUDIOHW_HAVE_EQ_BAND3)
  78     [SOUND_EQ_BAND3_GAIN] = {"dB", 0,  1, -12,  12,   0},
  79 #endif
  80 #if defined(AUDIOHW_HAVE_EQ_BAND4)
  81     [SOUND_EQ_BAND4_GAIN] = {"dB", 0,  1, -12,  12,   0},
  82 #endif
  83 #if defined(AUDIOHW_HAVE_EQ_BAND5)
  84     [SOUND_EQ_BAND5_GAIN] = {"dB", 0,  1, -12,  12,   0},
  85 #endif
  86 #if defined(AUDIOHW_HAVE_EQ_BAND1_FREQUENCY)
  87     [SOUND_EQ_BAND1_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  88 #endif
  89 #if defined(AUDIOHW_HAVE_EQ_BAND2_FREQUENCY)
  90     [SOUND_EQ_BAND2_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  91 #endif
  92 #if defined(AUDIOHW_HAVE_EQ_BAND3_FREQUENCY)
  93     [SOUND_EQ_BAND3_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  94 #endif
  95 #if defined(AUDIOHW_HAVE_EQ_BAND4_FREQUENCY)
  96     [SOUND_EQ_BAND4_FREQUENCY] = {"",   0,  1,   1,   4,   1},
  97 #endif
  98 #if defined(AUDIOHW_HAVE_EQ_BAND5_FREQUENCY)
  99     [SOUND_EQ_BAND5_FREQUENCY] = {"",   0,  1,   1,   4,   1},
 100 #endif
 101 #if defined(AUDIOHW_HAVE_EQ_BAND2_WIDTH)
 102     [SOUND_EQ_BAND2_WIDTH]     = {"",   0,  1,   0,   1,   0},
 103 #endif
 104 #if defined(AUDIOHW_HAVE_EQ_BAND3_WIDTH)
 105     [SOUND_EQ_BAND3_WIDTH]     = {"",   0,  1,   0,   1,   0},
 106 #endif
 107 #if defined(AUDIOHW_HAVE_EQ_BAND4_WIDTH)
 108     [SOUND_EQ_BAND4_WIDTH]     = {"",   0,  1,   0,   1,   0},
 109 #endif
 110
 111 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
 112     [SOUND_LOUDNESS]      = {"dB", 0,  1,   0,  17,   0},
 113     [SOUND_AVC]           = {"",   0,  1,  -1,   4,   0},
 114     [SOUND_MDB_STRENGTH]  = {"dB", 0,  1,   0, 127,  48},
 115     [SOUND_MDB_HARMONICS] = {"%",  0,  1,   0, 100,  50},
 116     [SOUND_MDB_CENTER]    = {"Hz", 0, 10,  20, 300,  60},
 117     [SOUND_MDB_SHAPE]     = {"Hz", 0, 10,  50, 300,  90},
 118     [SOUND_MDB_ENABLE]    = {"",   0,  1,   0,   1,   0},
 119     [SOUND_SUPERBASS]     = {"",   0,  1,   0,   1,   0},
 120 #endif /* (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) */
 121 };
 122
 123 /**
 124  * stubs here, for the simulator
 125  **/
 126
 127 #if defined(AUDIOHW_HAVE_PRESCALER)
 128 void audiohw_set_prescaler(int value)   { (void)value; }
 129 #endif
 130 #if defined(AUDIOHW_HAVE_BALANCE)
 131 void audiohw_set_balance(int value)     { (void)value; }
 132 #endif
 133 #if defined(AUDIOHW_HAVE_BASS)
 134 void audiohw_set_bass(int value)        { (void)value; }
 135 #endif
 136 #if defined(AUDIOHW_HAVE_TREBLE)
 137 void audiohw_set_treble(int value)      { (void)value; }
 138 #endif
 139 #if CONFIG_CODEC != SWCODEC
 140 void audiohw_set_channel(int value)     { (void)value; }
 141 void audiohw_set_stereo_width(int value){ (void)value; }
 142 #endif
 143 #if defined(AUDIOHW_HAVE_BASS_CUTOFF)
 144 void audiohw_set_bass_cutoff(int value) { (void)value; }
 145 #endif
 146 #if defined(AUDIOHW_HAVE_TREBLE_CUTOFF)
 147 void audiohw_set_treble_cutoff(int value){ (void)value; }
 148 #endif
 149 /* EQ-based tone controls */
 150 #if defined(AUDIOHW_HAVE_EQ)
 151 void audiohw_set_eq_band_gain(unsigned int band, int value)
 152     { (void)band; (void)value; }
 153 #endif
 154 #if defined(AUDIOHW_HAVE_EQ_FREQUENCY)
 155 void audiohw_set_eq_band_frequency(unsigned int band, int value)
 156     { (void)band; (void)value; }
 157 #endif
 158 #if defined(AUDIOHW_HAVE_EQ_WIDTH)
 159 void audiohw_set_eq_band_width(unsigned int band, int value)
 160     { (void)band; (void)value; }
 161 #endif
 162 #if defined(AUDIOHW_HAVE_DEPTH_3D)
 163 void audiohw_set_depth_3d(int value)
 164     { (void)value; }
 165 #endif
 166 #ifdef HAVE_RECORDING
 167 #if SAMPR_TYPE_REC != 0
 168 unsigned int pcm_sampr_type_rec_to_play(unsigned int samplerate)
 169     { return samplerate; }
 170 #endif
 171 #endif /* HAVE_RECORDING */
 172 #if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
 173 int mas_codec_readreg(int reg)
 174 {
 175     (void)reg;
 176     return 0;
 177 }
 178
 179 int mas_codec_writereg(int reg, unsigned int val)
 180 {
 181     (void)reg;
 182     (void)val;
 183     return 0;
 184 }
 185 int mas_writemem(int bank, int addr, const unsigned long* src, int len)
 186 {
 187     (void)bank;
 188     (void)addr;
 189     (void)src;
 190     (void)len;
 191     return 0;
 192 }
 193 #endif