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-rw-r--r--firmware/drivers/audio/sdl.c186
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