1 files changed, 186 insertions, 0 deletions

diff --git a/firmware/drivers/audio/sdl.c b/firmware/drivers/audio/sdl.c
new file mode 100644
index 0000000000..c063192873
--- /dev/null
+++ b/firmware/drivers/audio/sdl.c
@@ -0,0 +1,186 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright © 2010 Thomas Martitz
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <SDL_audio.h>
+#include "config.h"
+#include "audiohw.h"
+
+/**
+ * Audio Hardware api. Make them do nothing as we cannot properly simulate with
+ * SDL. if we used DSP we would run code that doesn't actually run on the target
+ **/
+
+extern void pcm_set_mixer_volume(int);
+
+void audiohw_set_volume(int volume)
+{
+#if CONFIG_CODEC == SWCODEC
+    pcm_set_mixer_volume(
+        SDL_MIX_MAXVOLUME * ((volume - VOLUME_MIN) / 10) / (VOLUME_RANGE / 10));
+#else
+    (void)volume;
+#endif
+}
+
+const struct sound_settings_info audiohw_settings[] = {
+    [SOUND_VOLUME]        = {"dB", 0,  1, VOLUME_MIN / 10, VOLUME_MAX / 10, -25},
+/* Bass and treble tone controls */
+#ifdef AUDIOHW_HAVE_BASS
+    [SOUND_BASS]          = {"dB", 0,  1, -24,  24,   0},
+#endif
+#ifdef AUDIOHW_HAVE_TREBLE
+    [SOUND_TREBLE]        = {"dB", 0,  1, -24,  24,   0},
+#endif
+    [SOUND_BALANCE]       = {"%",  0,  1,-100, 100,   0},
+    [SOUND_CHANNELS]      = {"",   0,  1,   0,   5,   0},
+    [SOUND_STEREO_WIDTH]  = {"%",  0,  5,   0, 250, 100},
+#if defined(HAVE_RECORDING)
+    [SOUND_LEFT_GAIN]     = {"dB", 1,  1,-128,  96,   0},
+    [SOUND_RIGHT_GAIN]    = {"dB", 1,  1,-128,  96,   0},
+    [SOUND_MIC_GAIN]      = {"dB", 1,  1,-128, 108,  16},
+#endif
+#if defined(AUDIOHW_HAVE_BASS_CUTOFF)
+    [SOUND_BASS_CUTOFF]   = {"",   0,  1,   1,   4,   1},
+#endif
+#if defined(AUDIOHW_HAVE_TREBLE_CUTOFF)
+    [SOUND_TREBLE_CUTOFF] = {"",   0,  1,   1,   4,   1},
+#endif
+#if defined(AUDIOHW_HAVE_DEPTH_3D)
+    [SOUND_DEPTH_3D]      = {"%",  0,   1,   0,  15,   0},
+#endif
+/* Hardware EQ tone controls */
+#if defined(AUDIOHW_HAVE_EQ_BAND1)
+    [SOUND_EQ_BAND1_GAIN] = {"dB", 0,  1, -12,  12,   0},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND2)
+    [SOUND_EQ_BAND2_GAIN] = {"dB", 0,  1, -12,  12,   0},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND3)
+    [SOUND_EQ_BAND3_GAIN] = {"dB", 0,  1, -12,  12,   0},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND4)
+    [SOUND_EQ_BAND4_GAIN] = {"dB", 0,  1, -12,  12,   0},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND5)
+    [SOUND_EQ_BAND5_GAIN] = {"dB", 0,  1, -12,  12,   0},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND1_FREQUENCY)
+    [SOUND_EQ_BAND1_FREQUENCY] = {"",   0,  1,   1,   4,   1},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND2_FREQUENCY)
+    [SOUND_EQ_BAND2_FREQUENCY] = {"",   0,  1,   1,   4,   1},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND3_FREQUENCY)
+    [SOUND_EQ_BAND3_FREQUENCY] = {"",   0,  1,   1,   4,   1},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND4_FREQUENCY)
+    [SOUND_EQ_BAND4_FREQUENCY] = {"",   0,  1,   1,   4,   1},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND5_FREQUENCY)
+    [SOUND_EQ_BAND5_FREQUENCY] = {"",   0,  1,   1,   4,   1},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND2_WIDTH)
+    [SOUND_EQ_BAND2_WIDTH]     = {"",   0,  1,   0,   1,   0},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND3_WIDTH)
+    [SOUND_EQ_BAND3_WIDTH]     = {"",   0,  1,   0,   1,   0},
+#endif
+#if defined(AUDIOHW_HAVE_EQ_BAND4_WIDTH)
+    [SOUND_EQ_BAND4_WIDTH]     = {"",   0,  1,   0,   1,   0},
+#endif
+
+#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
+    [SOUND_LOUDNESS]      = {"dB", 0,  1,   0,  17,   0},
+    [SOUND_AVC]           = {"",   0,  1,  -1,   4,   0},
+    [SOUND_MDB_STRENGTH]  = {"dB", 0,  1,   0, 127,  48},
+    [SOUND_MDB_HARMONICS] = {"%",  0,  1,   0, 100,  50},
+    [SOUND_MDB_CENTER]    = {"Hz", 0, 10,  20, 300,  60},
+    [SOUND_MDB_SHAPE]     = {"Hz", 0, 10,  50, 300,  90},
+    [SOUND_MDB_ENABLE]    = {"",   0,  1,   0,   1,   0},
+    [SOUND_SUPERBASS]     = {"",   0,  1,   0,   1,   0},
+#endif /* (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F) */
+};
+
+/**
+ * stubs here, for the simulator
+ **/
+
+#if defined(AUDIOHW_HAVE_PRESCALER)
+void audiohw_set_prescaler(int value)   { (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_BALANCE)
+void audiohw_set_balance(int value)     { (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_BASS)
+void audiohw_set_bass(int value)        { (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_TREBLE)
+void audiohw_set_treble(int value)      { (void)value; }
+#endif
+#if CONFIG_CODEC != SWCODEC
+void audiohw_set_channel(int value)     { (void)value; }
+void audiohw_set_stereo_width(int value){ (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_BASS_CUTOFF)
+void audiohw_set_bass_cutoff(int value) { (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_TREBLE_CUTOFF)
+void audiohw_set_treble_cutoff(int value){ (void)value; }
+#endif
+/* EQ-based tone controls */
+#if defined(AUDIOHW_HAVE_EQ)
+void audiohw_set_eq_band_gain(unsigned int band, int value)
+    { (void)band; (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_EQ_FREQUENCY)
+void audiohw_set_eq_band_frequency(unsigned int band, int value)
+    { (void)band; (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_EQ_WIDTH)
+void audiohw_set_eq_band_width(unsigned int band, int value)
+    { (void)band; (void)value; }
+#endif
+#if defined(AUDIOHW_HAVE_DEPTH_3D)
+void audiohw_set_depth_3d(int value)
+    { (void)value; }
+#endif
+#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
+int mas_codec_readreg(int reg)
+{
+    (void)reg;
+    return 0;
+}
+
+int mas_codec_writereg(int reg, unsigned int val)
+{
+    (void)reg;
+    (void)val;
+    return 0;
+}
+int mas_writemem(int bank, int addr, const unsigned long* src, int len)
+{
+    (void)bank;
+    (void)addr;
+    (void)src;
+    (void)len;
+    return 0;
+}
+#endif