Moved the mpeg_sound_xxx() functions to sound.c and renamed them to sound_xxx()


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6240 a1c6a512-1295-4272-9138-f99709370657
diff --git a/apps/plugin.c b/apps/plugin.c
index 35f0370..2031f0d 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -44,6 +44,7 @@
 #include "mp3data.h"
 #include "powermgmt.h"
 #include "system.h"
+#include "sound.h"
 #if (CONFIG_HWCODEC == MASNONE)
 #include "pcm_playback.h"
 #endif
@@ -188,7 +189,7 @@
     memcmp,
 
     /* sound */
-    mpeg_sound_set,
+    sound_set,
 #ifndef SIMULATOR
     mp3_play_data,
     mp3_play_pause,
@@ -214,7 +215,7 @@
     mpeg_get_file_pos,
     mpeg_get_last_header,
 #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    mpeg_set_pitch,
+    sound_set_pitch,
 #endif
 
 #if !defined(SIMULATOR) && (CONFIG_HWCODEC != MASNONE)
diff --git a/apps/plugin.h b/apps/plugin.h
index 0707393..45f0355 100644
--- a/apps/plugin.h
+++ b/apps/plugin.h
@@ -50,6 +50,7 @@
 #ifdef HAVE_LCD_BITMAP
 #include "widgets.h"
 #endif
+#include "sound.h"
 
 #ifdef PLUGIN
 #if defined(DEBUG) || defined(SIMULATOR)
@@ -228,7 +229,7 @@
     int (*memcmp)(const void *s1, const void *s2, size_t n);
 
     /* sound */
-    void (*mpeg_sound_set)(int setting, int value);
+    void (*sound_set)(int setting, int value);
 #ifndef SIMULATOR
     void (*mp3_play_data)(const unsigned char* start, int size, void (*get_more)(unsigned char** start, int* size));
     void (*mp3_play_pause)(bool play);
@@ -254,7 +255,7 @@
     int (*mpeg_get_file_pos)(void);
     unsigned long (*mpeg_get_last_header)(void);
 #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    void (*mpeg_set_pitch)(int pitch);        
+    void (*sound_set_pitch)(int pitch);        
 #endif
 
     /* MAS communication */
diff --git a/apps/plugins/alpine_cdc.c b/apps/plugins/alpine_cdc.c
index 742e0bc..d944810 100644
--- a/apps/plugins/alpine_cdc.c
+++ b/apps/plugins/alpine_cdc.c
@@ -1042,25 +1042,25 @@
 /* set to everything flat and 0 dB volume */
 void sound_neutral(void)
 {    /* neutral sound settings */
-    rb->mpeg_sound_set(SOUND_BASS, 0);
-    rb->mpeg_sound_set(SOUND_TREBLE, 0);
-    rb->mpeg_sound_set(SOUND_BALANCE, 0);
-    rb->mpeg_sound_set(SOUND_VOLUME, 92); /* 0 dB */
-    rb->mpeg_sound_set(SOUND_LOUDNESS, 0);
-    rb->mpeg_sound_set(SOUND_SUPERBASS, 0);
-    rb->mpeg_sound_set(SOUND_AVC, 0);
+    rb->sound_set(SOUND_BASS, 0);
+    rb->sound_set(SOUND_TREBLE, 0);
+    rb->sound_set(SOUND_BALANCE, 0);
+    rb->sound_set(SOUND_VOLUME, 92); /* 0 dB */
+    rb->sound_set(SOUND_LOUDNESS, 0);
+    rb->sound_set(SOUND_SUPERBASS, 0);
+    rb->sound_set(SOUND_AVC, 0);
 }
 
 /* return to user settings */
 void sound_normal(void)
 {   /* restore sound settings */
-    rb->mpeg_sound_set(SOUND_BASS, rb->global_settings->bass);
-    rb->mpeg_sound_set(SOUND_TREBLE, rb->global_settings->treble);
-    rb->mpeg_sound_set(SOUND_BALANCE, rb->global_settings->balance);
-    rb->mpeg_sound_set(SOUND_VOLUME, rb->global_settings->volume);
-    rb->mpeg_sound_set(SOUND_LOUDNESS, rb->global_settings->loudness);
-    rb->mpeg_sound_set(SOUND_SUPERBASS, rb->global_settings->superbass);
-    rb->mpeg_sound_set(SOUND_AVC, rb->global_settings->avc);
+    rb->sound_set(SOUND_BASS, rb->global_settings->bass);
+    rb->sound_set(SOUND_TREBLE, rb->global_settings->treble);
+    rb->sound_set(SOUND_BALANCE, rb->global_settings->balance);
+    rb->sound_set(SOUND_VOLUME, rb->global_settings->volume);
+    rb->sound_set(SOUND_LOUDNESS, rb->global_settings->loudness);
+    rb->sound_set(SOUND_SUPERBASS, rb->global_settings->superbass);
+    rb->sound_set(SOUND_AVC, rb->global_settings->avc);
 }
 
 /* the thread running it all */
diff --git a/apps/plugins/metronome.c b/apps/plugins/metronome.c
index 98b516f..3793fd9 100644
--- a/apps/plugins/metronome.c
+++ b/apps/plugins/metronome.c
@@ -201,7 +201,7 @@
     if (vol > 100) vol = 100;
     else if (vol < 0) vol = 0;
     if (vol != rb->global_settings->volume) {
-        rb->mpeg_sound_set(SOUND_VOLUME, vol);
+        rb->sound_set(SOUND_VOLUME, vol);
         rb->global_settings->volume = vol;
         rb->snprintf(buffer, sizeof(buffer), "Vol: %d ", vol);
 #ifdef HAVE_LCD_BITMAP
diff --git a/apps/plugins/oscilloscope.c b/apps/plugins/oscilloscope.c
index caa09a0..868a205 100644
--- a/apps/plugins/oscilloscope.c
+++ b/apps/plugins/oscilloscope.c
@@ -242,7 +242,7 @@
                 if (vol < 100)
                 {
                     vol++;
-                    rb->mpeg_sound_set(SOUND_VOLUME, vol);
+                    rb->sound_set(SOUND_VOLUME, vol);
                     rb->global_settings->volume = vol;
                 }
                 break;
@@ -253,7 +253,7 @@
                 if (vol > 0)
                 {
                     vol--;
-                    rb->mpeg_sound_set(SOUND_VOLUME, vol);
+                    rb->sound_set(SOUND_VOLUME, vol);
                     rb->global_settings->volume = vol;
                 }
                 break;
diff --git a/apps/plugins/splitedit.c b/apps/plugins/splitedit.c
index d3145b4..c2cdc8d 100644
--- a/apps/plugins/splitedit.c
+++ b/apps/plugins/splitedit.c
@@ -1055,17 +1055,17 @@
 #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
 #if defined(SPLITEDIT_SPEED150) && defined(SPLITEDIT_SPEED100) && defined(SPLITEDIT_SPEED50)
             case SPLITEDIT_SPEED150:
-                rb->mpeg_set_pitch(1500);
+                rb->sound_set_pitch(1500);
                 splitedit_invalidate_osci();
                 break;
 
             case SPLITEDIT_SPEED100:
-                rb->mpeg_set_pitch(1000);
+                rb->sound_set_pitch(1000);
                 splitedit_invalidate_osci();
                 break;
 
             case SPLITEDIT_SPEED50:
-                rb->mpeg_set_pitch(500);
+                rb->sound_set_pitch(500);
                 splitedit_invalidate_osci();
                 break;
 #endif
diff --git a/apps/plugins/video.c b/apps/plugins/video.c
index 73968d3..0257ad2 100644
--- a/apps/plugins/video.c
+++ b/apps/plugins/video.c
@@ -278,7 +278,7 @@
     else if (vol < 0) vol = 0;
     if (vol != rb->global_settings->volume)
     {
-        rb->mpeg_sound_set(SOUND_VOLUME, vol);
+        rb->sound_set(SOUND_VOLUME, vol);
         rb->global_settings->volume = vol;
         rb->snprintf(gPrint, sizeof(gPrint), "Vol: %d", vol);
         rb->lcd_puts(0, 7, gPrint);
diff --git a/apps/plugins/vu_meter.c b/apps/plugins/vu_meter.c
index 22fc521..afeaa83 100644
--- a/apps/plugins/vu_meter.c
+++ b/apps/plugins/vu_meter.c
@@ -139,7 +139,7 @@
     if (vol>100) vol = 100;
     else if (vol < 0) vol = 0;
     if (vol != rb->global_settings->volume) {
-        rb->mpeg_sound_set(SOUND_VOLUME, vol);
+        rb->sound_set(SOUND_VOLUME, vol);
         rb->global_settings->volume = vol;
         rb->snprintf(curr_vol, sizeof(curr_vol), "%d", vol);
         rb->lcd_putsxy(0,0, curr_vol);
diff --git a/apps/recorder/radio.c b/apps/recorder/radio.c
index 9acca53..fae01a7 100644
--- a/apps/recorder/radio.c
+++ b/apps/recorder/radio.c
@@ -220,8 +220,8 @@
                                global_settings.rec_prerecord_time);
 
     
-    mpeg_set_recording_gain(mpeg_sound_default(SOUND_LEFT_GAIN),
-                            mpeg_sound_default(SOUND_RIGHT_GAIN), false);
+    mpeg_set_recording_gain(sound_default(SOUND_LEFT_GAIN),
+                            sound_default(SOUND_RIGHT_GAIN), false);
 #endif
 
     curr_freq = global_settings.last_frequency * FREQ_STEP + MIN_FREQ;
@@ -356,9 +356,9 @@
             case BUTTON_UP:
             case BUTTON_UP | BUTTON_REPEAT:
                 global_settings.volume++;
-                if(global_settings.volume > mpeg_sound_max(SOUND_VOLUME))
-                    global_settings.volume = mpeg_sound_max(SOUND_VOLUME);
-                mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
+                if(global_settings.volume > sound_max(SOUND_VOLUME))
+                    global_settings.volume = sound_max(SOUND_VOLUME);
+                sound_set(SOUND_VOLUME, global_settings.volume);
                 update_screen = true;
                 settings_save();
                 break;
@@ -366,9 +366,9 @@
             case BUTTON_DOWN:
             case BUTTON_DOWN | BUTTON_REPEAT:
                 global_settings.volume--;
-                if(global_settings.volume < mpeg_sound_min(SOUND_VOLUME))
-                    global_settings.volume = mpeg_sound_min(SOUND_VOLUME);
-                mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
+                if(global_settings.volume < sound_min(SOUND_VOLUME))
+                    global_settings.volume = sound_min(SOUND_VOLUME);
+                sound_set(SOUND_VOLUME, global_settings.volume);
                 update_screen = true;
                 settings_save();
                 break;
@@ -548,8 +548,8 @@
     if(keep_playing)
     {
         /* Enable the Left and right A/D Converter */
-        mpeg_set_recording_gain(mpeg_sound_default(SOUND_LEFT_GAIN),
-                                mpeg_sound_default(SOUND_RIGHT_GAIN), false);
+        mpeg_set_recording_gain(sound_default(SOUND_LEFT_GAIN),
+                                sound_default(SOUND_RIGHT_GAIN), false);
         mas_codec_writereg(6, 0x4000);
         radio_set_status(FMRADIO_POWERED); /* leave it powered */
     }
diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index d9b75d0..7aa6aba 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -49,6 +49,7 @@
 #include "errno.h"
 #include "talk.h"
 #include "atoi.h"
+#include "sound.h"
 
 #ifdef HAVE_RECORDING
 
@@ -124,9 +125,9 @@
     int tmp, i, d, numdec;
     const char *unit;
     
-    tmp = mpeg_val2phys(snd, val);
-    numdec = mpeg_sound_numdecimals(snd);
-    unit = mpeg_sound_unit(snd);
+    tmp = sound_val2phys(snd, val);
+    numdec = sound_numdecimals(snd);
+    unit = sound_unit(snd);
     
     i = tmp / (10*numdec);
     d = abs(tmp % (10*numdec));
@@ -268,7 +269,7 @@
     cursor = 0;
     mpeg_init_recording();
 
-    mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
+    sound_set(SOUND_VOLUME, global_settings.volume);
     
     /* Yes, we use the D/A for monitoring */
     peak_meter_playback(true);
@@ -395,16 +396,16 @@
                         {
                             global_settings.rec_mic_gain++;
                             if(global_settings.rec_mic_gain >
-                               mpeg_sound_max(SOUND_MIC_GAIN))
+                               sound_max(SOUND_MIC_GAIN))
                                 global_settings.rec_mic_gain =
-                                    mpeg_sound_max(SOUND_MIC_GAIN);
+                                    sound_max(SOUND_MIC_GAIN);
                         }
                         else
                         {
                             gain = MAX(global_settings.rec_left_gain,
                                        global_settings.rec_right_gain) + 1;
-                            if(gain > mpeg_sound_max(SOUND_MIC_GAIN))
-                                gain = mpeg_sound_max(SOUND_MIC_GAIN);
+                            if(gain > sound_max(SOUND_MIC_GAIN))
+                                gain = sound_max(SOUND_MIC_GAIN);
                             global_settings.rec_left_gain = gain;
                             global_settings.rec_right_gain = gain;
                         }
@@ -412,16 +413,16 @@
                     case 1:
                         global_settings.rec_left_gain++;
                         if(global_settings.rec_left_gain >
-                           mpeg_sound_max(SOUND_LEFT_GAIN))
+                           sound_max(SOUND_LEFT_GAIN))
                             global_settings.rec_left_gain =
-                                mpeg_sound_max(SOUND_LEFT_GAIN);
+                                sound_max(SOUND_LEFT_GAIN);
                         break;
                     case 2:
                         global_settings.rec_right_gain++;
                         if(global_settings.rec_right_gain >
-                           mpeg_sound_max(SOUND_RIGHT_GAIN))
+                           sound_max(SOUND_RIGHT_GAIN))
                             global_settings.rec_right_gain =
-                                mpeg_sound_max(SOUND_RIGHT_GAIN);
+                                sound_max(SOUND_RIGHT_GAIN);
                         break;
                 }
                 set_gain();
@@ -437,16 +438,16 @@
                         {
                             global_settings.rec_mic_gain--;
                             if(global_settings.rec_mic_gain <
-                               mpeg_sound_min(SOUND_MIC_GAIN))
+                               sound_min(SOUND_MIC_GAIN))
                                 global_settings.rec_mic_gain =
-                                    mpeg_sound_min(SOUND_MIC_GAIN);
+                                    sound_min(SOUND_MIC_GAIN);
                         }
                         else
                         {
                             gain = MAX(global_settings.rec_left_gain,
                                        global_settings.rec_right_gain) - 1;
-                            if(gain < mpeg_sound_min(SOUND_LEFT_GAIN))
-                                gain = mpeg_sound_min(SOUND_LEFT_GAIN);
+                            if(gain < sound_min(SOUND_LEFT_GAIN))
+                                gain = sound_min(SOUND_LEFT_GAIN);
                             global_settings.rec_left_gain = gain;
                             global_settings.rec_right_gain = gain;
                         }
@@ -454,16 +455,16 @@
                     case 1:
                         global_settings.rec_left_gain--;
                         if(global_settings.rec_left_gain <
-                           mpeg_sound_min(SOUND_LEFT_GAIN))
+                           sound_min(SOUND_LEFT_GAIN))
                             global_settings.rec_left_gain =
-                                mpeg_sound_min(SOUND_LEFT_GAIN);
+                                sound_min(SOUND_LEFT_GAIN);
                         break;
                     case 2:
                         global_settings.rec_right_gain--;
                         if(global_settings.rec_right_gain <
-                           mpeg_sound_min(SOUND_MIC_GAIN))
+                           sound_min(SOUND_MIC_GAIN))
                             global_settings.rec_right_gain =
-                                mpeg_sound_min(SOUND_MIC_GAIN);
+                                sound_min(SOUND_MIC_GAIN);
                         break;
                 }
                 set_gain();
diff --git a/apps/screens.c b/apps/screens.c
index 0efb30a..f56c28a 100644
--- a/apps/screens.c
+++ b/apps/screens.c
@@ -44,6 +44,7 @@
 #include "screens.h"
 #include "debug.h"
 #include "led.h"
+#include "sound.h"
 #ifdef HAVE_MMC
 #include "ata_mmc.h"
 #endif
@@ -437,7 +438,7 @@
                 pitch++;
                 if ( pitch > 2000 )
                     pitch = 2000;
-                mpeg_set_pitch(pitch);
+                sound_set_pitch(pitch);
                 break;
 
             case BUTTON_DOWN:
@@ -447,7 +448,7 @@
                 pitch--;
                 if ( pitch < 500 )
                     pitch = 500;
-                mpeg_set_pitch(pitch);
+                sound_set_pitch(pitch);
                 break;
 
             case BUTTON_ON | BUTTON_PLAY:
@@ -468,28 +469,28 @@
             case BUTTON_ON | BUTTON_RIGHT:
                 if ( pitch < 2000 ) {
                     pitch += 20;
-                    mpeg_set_pitch(pitch);
+                    sound_set_pitch(pitch);
                 }
                 break;
 
             case BUTTON_RIGHT | BUTTON_REL:
                 if ( pitch > 500 ) {
                     pitch -= 20;
-                    mpeg_set_pitch(pitch);
+                    sound_set_pitch(pitch);
                 }
                 break;
 
             case BUTTON_ON | BUTTON_LEFT:
                 if ( pitch > 500 ) {
                     pitch -= 20;
-                    mpeg_set_pitch(pitch);
+                    sound_set_pitch(pitch);
                 }
                 break;
 
             case BUTTON_LEFT | BUTTON_REL:
                 if ( pitch < 2000 ) {
                     pitch += 20;
-                    mpeg_set_pitch(pitch);
+                    sound_set_pitch(pitch);
                 }
                 break;
 
diff --git a/apps/settings.c b/apps/settings.c
index 8ff9c7b..df03bdc 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -64,6 +64,7 @@
 #include "keyboard.h"
 #include "version.h"
 #include "rtc.h"
+#include "sound.h"
 #if CONFIG_HWCODEC == MAS3507D
 void dac_line_in(bool enable);
 #endif
@@ -719,21 +720,21 @@
 
 void sound_settings_apply(void)
 {
-    mpeg_sound_set(SOUND_BASS, global_settings.bass);
-    mpeg_sound_set(SOUND_TREBLE, global_settings.treble);
-    mpeg_sound_set(SOUND_BALANCE, global_settings.balance);
-    mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
-    mpeg_sound_set(SOUND_CHANNELS, global_settings.channel_config);
-    mpeg_sound_set(SOUND_STEREO_WIDTH, global_settings.stereo_width);
+    sound_set(SOUND_BASS, global_settings.bass);
+    sound_set(SOUND_TREBLE, global_settings.treble);
+    sound_set(SOUND_BALANCE, global_settings.balance);
+    sound_set(SOUND_VOLUME, global_settings.volume);
+    sound_set(SOUND_CHANNELS, global_settings.channel_config);
+    sound_set(SOUND_STEREO_WIDTH, global_settings.stereo_width);
 #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    mpeg_sound_set(SOUND_LOUDNESS, global_settings.loudness);
-    mpeg_sound_set(SOUND_AVC, global_settings.avc);
-    mpeg_sound_set(SOUND_MDB_STRENGTH, global_settings.mdb_strength);
-    mpeg_sound_set(SOUND_MDB_HARMONICS, global_settings.mdb_harmonics);
-    mpeg_sound_set(SOUND_MDB_CENTER, global_settings.mdb_center);
-    mpeg_sound_set(SOUND_MDB_SHAPE, global_settings.mdb_shape);
-    mpeg_sound_set(SOUND_MDB_ENABLE, global_settings.mdb_enable);
-    mpeg_sound_set(SOUND_SUPERBASS, global_settings.superbass);
+    sound_set(SOUND_LOUDNESS, global_settings.loudness);
+    sound_set(SOUND_AVC, global_settings.avc);
+    sound_set(SOUND_MDB_STRENGTH, global_settings.mdb_strength);
+    sound_set(SOUND_MDB_HARMONICS, global_settings.mdb_harmonics);
+    sound_set(SOUND_MDB_CENTER, global_settings.mdb_center);
+    sound_set(SOUND_MDB_SHAPE, global_settings.mdb_shape);
+    sound_set(SOUND_MDB_ENABLE, global_settings.mdb_enable);
+    sound_set(SOUND_SUPERBASS, global_settings.superbass);
 #endif
 }
 
@@ -1261,20 +1262,20 @@
     default_table(hd_bits, sizeof(hd_bits)/sizeof(hd_bits[0]));
 
     /* do some special cases not covered by table */
-    global_settings.volume      = mpeg_sound_default(SOUND_VOLUME);
-    global_settings.balance     = mpeg_sound_default(SOUND_BALANCE);
-    global_settings.bass        = mpeg_sound_default(SOUND_BASS);
-    global_settings.treble      = mpeg_sound_default(SOUND_TREBLE);
-    global_settings.loudness    = mpeg_sound_default(SOUND_LOUDNESS);
-    global_settings.avc         = mpeg_sound_default(SOUND_AVC);
-    global_settings.channel_config = mpeg_sound_default(SOUND_CHANNELS);
-    global_settings.stereo_width = mpeg_sound_default(SOUND_STEREO_WIDTH);
-    global_settings.mdb_strength = mpeg_sound_default(SOUND_MDB_STRENGTH);
-    global_settings.mdb_harmonics = mpeg_sound_default(SOUND_MDB_HARMONICS);
-    global_settings.mdb_center = mpeg_sound_default(SOUND_MDB_CENTER);
-    global_settings.mdb_shape = mpeg_sound_default(SOUND_MDB_SHAPE);
-    global_settings.mdb_enable = mpeg_sound_default(SOUND_MDB_ENABLE);
-    global_settings.superbass = mpeg_sound_default(SOUND_SUPERBASS);
+    global_settings.volume      = sound_default(SOUND_VOLUME);
+    global_settings.balance     = sound_default(SOUND_BALANCE);
+    global_settings.bass        = sound_default(SOUND_BASS);
+    global_settings.treble      = sound_default(SOUND_TREBLE);
+    global_settings.loudness    = sound_default(SOUND_LOUDNESS);
+    global_settings.avc         = sound_default(SOUND_AVC);
+    global_settings.channel_config = sound_default(SOUND_CHANNELS);
+    global_settings.stereo_width = sound_default(SOUND_STEREO_WIDTH);
+    global_settings.mdb_strength = sound_default(SOUND_MDB_STRENGTH);
+    global_settings.mdb_harmonics = sound_default(SOUND_MDB_HARMONICS);
+    global_settings.mdb_center = sound_default(SOUND_MDB_CENTER);
+    global_settings.mdb_shape = sound_default(SOUND_MDB_SHAPE);
+    global_settings.mdb_enable = sound_default(SOUND_MDB_ENABLE);
+    global_settings.superbass = sound_default(SOUND_SUPERBASS);
     global_settings.contrast    = lcd_default_contrast();
     global_settings.wps_file[0] = '\0';
     global_settings.font_file[0] = '\0';
diff --git a/apps/sound_menu.c b/apps/sound_menu.c
index f08ee35..560163c 100644
--- a/apps/sound_menu.c
+++ b/apps/sound_menu.c
@@ -34,6 +34,7 @@
 #include "sprintf.h"
 #include "talk.h"
 #include "misc.h"
+#include "sound.h"
 
 static const char* const fmt[] =
 {
@@ -59,11 +60,11 @@
     int steps;
     int button;
 
-    unit = mpeg_sound_unit(setting);
-    numdec = mpeg_sound_numdecimals(setting);
-    steps = mpeg_sound_steps(setting);
-    min = mpeg_sound_min(setting);
-    max = mpeg_sound_max(setting);
+    unit = sound_unit(setting);
+    numdec = sound_numdecimals(setting);
+    steps = sound_steps(setting);
+    min = sound_min(setting);
+    max = sound_max(setting);
     if (*unit == 'd') /* crude reconstruction */
         talkunit = UNIT_DB;
     else if (*unit == '%')
@@ -82,7 +83,7 @@
 
     while (!done) {
         if (changed) {
-            val = mpeg_val2phys(setting, *variable);
+            val = sound_val2phys(setting, *variable);
             if(numdec)
             {
                 integer = val / (10 * numdec);
@@ -136,7 +137,7 @@
                 break;
         }
         if (changed)
-            mpeg_sound_set(setting, *variable);
+            sound_set(setting, *variable);
     }
     lcd_stop_scroll();
     return false;
@@ -196,7 +197,7 @@
 
 static void set_mdb_enable(bool value)
 {
-    mpeg_sound_set(SOUND_MDB_ENABLE, (int)value);
+    sound_set(SOUND_MDB_ENABLE, (int)value);
 }
 
 static bool mdb_enable(void)
@@ -210,7 +211,7 @@
 
 static void set_superbass(bool value)
 {
-    mpeg_sound_set(SOUND_SUPERBASS, (int)value);
+    sound_set(SOUND_SUPERBASS, (int)value);
 }
 
 static bool superbass(void)
@@ -224,7 +225,7 @@
 
 static void set_avc(int val)
 {
-    mpeg_sound_set(SOUND_AVC, val);
+    sound_set(SOUND_AVC, val);
 }
 
 static bool avc(void)
@@ -379,7 +380,7 @@
 
 static void set_chanconf(int val)
 {
-    mpeg_sound_set(SOUND_CHANNELS, val);
+    sound_set(SOUND_CHANNELS, val);
 }
 
 static bool chanconf(void)
diff --git a/apps/status.c b/apps/status.c
index 562cd50..d4736f3 100644
--- a/apps/status.c
+++ b/apps/status.c
@@ -36,6 +36,7 @@
 #endif
 #include "powermgmt.h"
 #include "led.h"
+#include "sound.h"
 
 static enum playmode ff_mode;
 
@@ -146,7 +147,7 @@
     (void)force_redraw; /* players always "redraw" */
 #endif
 
-    info.volume = mpeg_val2phys(SOUND_VOLUME, global_settings.volume);
+    info.volume = sound_val2phys(SOUND_VOLUME, global_settings.volume);
     info.inserted = charger_inserted();
     info.battlevel = battery_level();
     info.battery_safe = battery_level_safe();
diff --git a/apps/wps.c b/apps/wps.c
index 91969df..d5f921c 100644
--- a/apps/wps.c
+++ b/apps/wps.c
@@ -49,6 +49,7 @@
 #include "lang.h"
 #include "bookmark.h"
 #include "misc.h"
+#include "sound.h"
 
 #define FF_REWIND_MAX_PERCENT 3 /* cap ff/rewind step size at max % of file */ 
                                 /* 3% of 30min file == 54s step size */
@@ -172,17 +173,17 @@
 */
 static bool setvol(void)
 {
-    if (global_settings.volume < mpeg_sound_min(SOUND_VOLUME))
-        global_settings.volume = mpeg_sound_min(SOUND_VOLUME);
-    if (global_settings.volume > mpeg_sound_max(SOUND_VOLUME))
-        global_settings.volume = mpeg_sound_max(SOUND_VOLUME);
-    mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
+    if (global_settings.volume < sound_min(SOUND_VOLUME))
+        global_settings.volume = sound_min(SOUND_VOLUME);
+    if (global_settings.volume > sound_max(SOUND_VOLUME))
+        global_settings.volume = sound_max(SOUND_VOLUME);
+    sound_set(SOUND_VOLUME, global_settings.volume);
     status_draw(false);
     wps_refresh(id3, nid3, 0, WPS_REFRESH_NON_STATIC);
     settings_save();
 #ifdef HAVE_LCD_CHARCELLS
     splash(0, false, "Vol: %d %%   ",
-           mpeg_val2phys(SOUND_VOLUME, global_settings.volume));
+           sound_val2phys(SOUND_VOLUME, global_settings.volume));
     return true;
 #endif
     return false;
@@ -388,7 +389,7 @@
         int current_volume = 20;
         
         /* zero out the sound */
-        mpeg_sound_set(SOUND_VOLUME, current_volume);
+        sound_set(SOUND_VOLUME, current_volume);
 
         sleep(HZ/10); /* let mpeg thread run */
         mpeg_resume();
@@ -396,9 +397,9 @@
         while (current_volume < global_settings.volume) {    
             current_volume += 2;
             sleep(1);
-            mpeg_sound_set(SOUND_VOLUME, current_volume);
+            sound_set(SOUND_VOLUME, current_volume);
         }
-        mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
+        sound_set(SOUND_VOLUME, global_settings.volume);
     }
     else {
         /* fade out */
@@ -407,13 +408,13 @@
         while (current_volume > 20) {    
             current_volume -= 2;
             sleep(1);
-            mpeg_sound_set(SOUND_VOLUME, current_volume);
+            sound_set(SOUND_VOLUME, current_volume);
         }
         mpeg_pause();
         sleep(HZ/5); /* let mpeg thread run */
 
         /* reset volume to what it was before the fade */
-        mpeg_sound_set(SOUND_VOLUME, global_settings.volume);
+        sound_set(SOUND_VOLUME, global_settings.volume);
     }
 }
 
diff --git a/firmware/SOURCES b/firmware/SOURCES
index 870026f..8279f81 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -111,7 +111,10 @@
 descramble.S
 #endif
 drivers/lcd.S
-#if defined(IRIVER_H100) && !defined(SIMULATOR)
+#ifdef IRIVER_H100
+#ifndef SIMULATOR
 drivers/uda1380.c
 pcm_playback.c
 #endif
+#endif
+sound.c
diff --git a/firmware/export/mp3_playback.h b/firmware/export/mp3_playback.h
index aced6dd..4da1ffc 100644
--- a/firmware/export/mp3_playback.h
+++ b/firmware/export/mp3_playback.h
@@ -30,19 +30,6 @@
               int mdb_strength, int mdb_harmonics,
               int mdb_center, int mdb_shape, bool mdb_enable,
               bool superbass);
-void mpeg_sound_set(int setting, int value);
-int mpeg_sound_min(int setting);
-int mpeg_sound_max(int setting);
-int mpeg_sound_default(int setting);
-void mpeg_sound_channel_config(int configuration);
-int mpeg_val2phys(int setting, int value);
-const char *mpeg_sound_unit(int setting);
-int mpeg_sound_numdecimals(int setting);
-int mpeg_sound_steps(int setting);
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F) || defined(SIMULATOR)
-void mpeg_set_pitch(int percent);
-#endif
-
 
 /* exported just for mpeg.c, to keep the recording there */
 #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
@@ -62,31 +49,4 @@
 unsigned char* mp3_get_pos(void);
 void mp3_shutdown(void);
 
-
-#define SOUND_VOLUME 0
-#define SOUND_BASS 1
-#define SOUND_TREBLE 2
-#define SOUND_BALANCE 3
-#define SOUND_LOUDNESS 4
-#define SOUND_AVC 5
-#define SOUND_CHANNELS 6
-#define SOUND_STEREO_WIDTH 7
-#define SOUND_LEFT_GAIN 8
-#define SOUND_RIGHT_GAIN 9
-#define SOUND_MIC_GAIN 10
-#define SOUND_MDB_STRENGTH 11
-#define SOUND_MDB_HARMONICS 12
-#define SOUND_MDB_CENTER 13
-#define SOUND_MDB_SHAPE 14
-#define SOUND_MDB_ENABLE 15
-#define SOUND_SUPERBASS 16
-#define SOUND_NUMSETTINGS 17
-
-#define MPEG_SOUND_STEREO 0
-#define MPEG_SOUND_MONO 1
-#define MPEG_SOUND_CUSTOM 2
-#define MPEG_SOUND_MONO_LEFT 3
-#define MPEG_SOUND_MONO_RIGHT 4
-#define MPEG_SOUND_KARAOKE 5
-
 #endif /* #ifndef _MP3_PLAYBACK_H_ */
diff --git a/firmware/export/sound.h b/firmware/export/sound.h
new file mode 100644
index 0000000..2fa00d8
--- /dev/null
+++ b/firmware/export/sound.h
@@ -0,0 +1,61 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef SOUND_H
+#define SOUND_H
+
+#define SOUND_VOLUME 0
+#define SOUND_BASS 1
+#define SOUND_TREBLE 2
+#define SOUND_BALANCE 3
+#define SOUND_LOUDNESS 4
+#define SOUND_AVC 5
+#define SOUND_CHANNELS 6
+#define SOUND_STEREO_WIDTH 7
+#define SOUND_LEFT_GAIN 8
+#define SOUND_RIGHT_GAIN 9
+#define SOUND_MIC_GAIN 10
+#define SOUND_MDB_STRENGTH 11
+#define SOUND_MDB_HARMONICS 12
+#define SOUND_MDB_CENTER 13
+#define SOUND_MDB_SHAPE 14
+#define SOUND_MDB_ENABLE 15
+#define SOUND_SUPERBASS 16
+#define SOUND_NUMSETTINGS 17
+
+#define SOUND_CHAN_STEREO 0
+#define SOUND_CHAN_MONO 1
+#define SOUND_CHAN_CUSTOM 2
+#define SOUND_CHAN_MONO_LEFT 3
+#define SOUND_CHAN_MONO_RIGHT 4
+#define SOUND_CHAN_KARAOKE 5
+
+void sound_set(int setting, int value);
+int sound_min(int setting);
+int sound_max(int setting);
+int sound_default(int setting);
+void sound_channel_config(int configuration);
+int sound_val2phys(int setting, int value);
+const char *sound_unit(int setting);
+int sound_numdecimals(int setting);
+int sound_steps(int setting);
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F) || defined(SIMULATOR)
+void sound_set_pitch(int percent);
+#endif
+
+#endif
diff --git a/firmware/mp3_playback.c b/firmware/mp3_playback.c
index 16fe544..14e0aa7 100644
--- a/firmware/mp3_playback.c
+++ b/firmware/mp3_playback.c
@@ -26,6 +26,7 @@
 #include <kernel.h>
 #include "mpeg.h" /* ToDo: remove crosslinks */
 #include "mp3_playback.h"
+#include "sound.h"
 #ifndef SIMULATOR
 #include "i2c.h"
 #include "mas.h"
@@ -63,183 +64,12 @@
 static void (*callback_for_more)(unsigned char**, int*);
 #endif /* #ifndef SIMULATOR */
 
-static const char* const units[] =
-{
-    "%",    /* Volume */
-    "dB",   /* Bass */
-    "dB",   /* Treble */
-    "%",    /* Balance */
-    "dB",   /* Loudness */
-    "",     /* AVC */
-    "",     /* Channels */
-    "%",    /* Stereo width */
-    "dB",   /* Left gain */
-    "dB",   /* Right gain */
-    "dB",   /* Mic gain */
-    "dB",   /* MDB Strength */
-    "%",    /* MDB Harmonics */
-    "Hz",   /* MDB Center */
-    "Hz",   /* MDB Shape */
-    "",     /* MDB Enable */
-    "",     /* Super bass */
-};
-
-static const int numdecimals[] =
-{
-    0,    /* Volume */
-    0,    /* Bass */
-    0,    /* Treble */
-    0,    /* Balance */
-    0,    /* Loudness */
-    0,    /* AVC */
-    0,    /* Channels */
-    0,    /* Stereo width */
-    1,    /* Left gain */
-    1,    /* Right gain */
-    1,    /* Mic gain */
-    0,    /* MDB Strength */
-    0,    /* MDB Harmonics */
-    0,    /* MDB Center */
-    0,    /* MDB Shape */
-    0,    /* MDB Enable */
-    0,    /* Super bass */
-};
-
-static const int steps[] =
-{
-    1,    /* Volume */
-    1,    /* Bass */
-    1,    /* Treble */
-    1,    /* Balance */
-    1,    /* Loudness */
-    1,    /* AVC */
-    1,    /* Channels */
-    1,    /* Stereo width */
-    1,    /* Left gain */
-    1,    /* Right gain */
-    1,    /* Mic gain */
-    1,    /* MDB Strength */
-    1,    /* MDB Harmonics */
-    10,   /* MDB Center */
-    10,   /* MDB Shape */
-    1,    /* MDB Enable */
-    1,    /* Super bass */
-};
-
-static const int minval[] =
-{
-    0,    /* Volume */
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    -12,  /* Bass */
-    -12,  /* Treble */
-#else
-    -15,  /* Bass */
-    -15,  /* Treble */
-#endif
-    -100,  /* Balance */
-    0,    /* Loudness */
-    -1,   /* AVC */
-    0,    /* Channels */
-    0,    /* Stereo width */
-    0,    /* Left gain */
-    0,    /* Right gain */
-    0,    /* Mic gain */
-    0,    /* MDB Strength */
-    0,    /* MDB Harmonics */
-    20,   /* MDB Center */
-    50,   /* MDB Shape */
-    0,    /* MDB Enable */
-    0,    /* Super bass */
-};
-
-static const int maxval[] =
-{
-    100,  /* Volume */
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    12,   /* Bass */
-    12,   /* Treble */
-#else
-    15,   /* Bass */
-    15,   /* Treble */
-#endif
-    100,   /* Balance */
-    17,   /* Loudness */
-    4,    /* AVC */
-    5,    /* Channels */
-    255,  /* Stereo width */
-    15,   /* Left gain */
-    15,   /* Right gain */
-    15,   /* Mic gain */
-    127,  /* MDB Strength */
-    100,  /* MDB Harmonics */
-    300,  /* MDB Center */
-    300,  /* MDB Shape */
-    1,    /* MDB Enable */
-    1,    /* Super bass */
-};
-
-static const int defaultval[] =
-{
-    70,   /* Volume */
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    6,    /* Bass */
-    6,    /* Treble */
-#else
-    7,    /* Bass */
-    7,    /* Treble */
-#endif
-    0,    /* Balance */
-    0,    /* Loudness */
-    0,    /* AVC */
-    0,    /* Channels */
-    100,  /* Stereo width */
-    8,    /* Left gain */
-    8,    /* Right gain */
-    2,    /* Mic gain */
-    50,   /* MDB Strength */
-    48,   /* MDB Harmonics */
-    60,   /* MDB Center */
-    90,   /* MDB Shape */
-    0,    /* MDB Enable */
-    0,    /* Super bass */
-};
-
-const char *mpeg_sound_unit(int setting)
-{
-    return units[setting];
-}
-
-int mpeg_sound_numdecimals(int setting)
-{
-    return numdecimals[setting];
-}
-
-int mpeg_sound_steps(int setting)
-{
-    return steps[setting];
-}
-
-int mpeg_sound_min(int setting)
-{
-    return minval[setting];
-}
-
-int mpeg_sound_max(int setting)
-{
-    return maxval[setting];
-}
-
-int mpeg_sound_default(int setting)
-{
-    return defaultval[setting];
-}
-
 /* list of tracks in memory */
 #define MAX_ID3_TAGS (1<<4) /* Must be power of 2 */
 #define MAX_ID3_TAGS_MASK (MAX_ID3_TAGS - 1)
 
 #ifndef SIMULATOR
-static bool mpeg_is_initialized = false;
+bool audio_is_initialized = false;
 #endif
 
 #if CONFIG_HWCODEC != MASNONE
@@ -249,99 +79,6 @@
 
 unsigned long mas_version_code;
 
-#if CONFIG_HWCODEC == MAS3507D
-
-static const unsigned int bass_table[] =
-{
-    0x9e400, /* -15dB */
-    0xa2800, /* -14dB */
-    0xa7400, /* -13dB */
-    0xac400, /* -12dB */
-    0xb1800, /* -11dB */
-    0xb7400, /* -10dB */
-    0xbd400, /* -9dB */
-    0xc3c00, /* -8dB */
-    0xca400, /* -7dB */
-    0xd1800, /* -6dB */
-    0xd8c00, /* -5dB */
-    0xe0400, /* -4dB */
-    0xe8000, /* -3dB */
-    0xefc00, /* -2dB */
-    0xf7c00, /* -1dB */
-    0,
-    0x800,   /* 1dB */
-    0x10000, /* 2dB */
-    0x17c00, /* 3dB */
-    0x1f800, /* 4dB */
-    0x27000, /* 5dB */
-    0x2e400, /* 6dB */
-    0x35800, /* 7dB */
-    0x3c000, /* 8dB */
-    0x42800, /* 9dB */
-    0x48800, /* 10dB */
-    0x4e400, /* 11dB */
-    0x53800, /* 12dB */
-    0x58800, /* 13dB */
-    0x5d400, /* 14dB */
-    0x61800  /* 15dB */
-};
-
-static const unsigned int treble_table[] =
-{
-    0xb2c00, /* -15dB */
-    0xbb400, /* -14dB */
-    0xc1800, /* -13dB */
-    0xc6c00, /* -12dB */
-    0xcbc00, /* -11dB */
-    0xd0400, /* -10dB */
-    0xd5000, /* -9dB */
-    0xd9800, /* -8dB */
-    0xde000, /* -7dB */
-    0xe2800, /* -6dB */
-    0xe7e00, /* -5dB */
-    0xec000, /* -4dB */
-    0xf0c00, /* -3dB */
-    0xf5c00, /* -2dB */
-    0xfac00, /* -1dB */
-    0,
-    0x5400,  /* 1dB */
-    0xac00,  /* 2dB */
-    0x10400, /* 3dB */
-    0x16000, /* 4dB */
-    0x1c000, /* 5dB */
-    0x22400, /* 6dB */
-    0x28400, /* 7dB */
-    0x2ec00, /* 8dB */
-    0x35400, /* 9dB */
-    0x3c000, /* 10dB */
-    0x42c00, /* 11dB */
-    0x49c00, /* 12dB */
-    0x51800, /* 13dB */
-    0x58400, /* 14dB */
-    0x5f800  /* 15dB */
-};
-
-static const unsigned int prescale_table[] =
-{
-    0x80000,  /* 0db */
-    0x8e000,  /* 1dB */
-    0x9a400,  /* 2dB */
-    0xa5800, /* 3dB */
-    0xaf400, /* 4dB */
-    0xb8000, /* 5dB */
-    0xbfc00, /* 6dB */
-    0xc6c00, /* 7dB */
-    0xcd000, /* 8dB */
-    0xd25c0, /* 9dB */
-    0xd7800, /* 10dB */
-    0xdc000, /* 11dB */
-    0xdfc00, /* 12dB */
-    0xe3400, /* 13dB */
-    0xe6800, /* 14dB */
-    0xe9400  /* 15dB */
-};
-#endif
-
 bool dma_on;  /* The DMA is active */
 
 #if CONFIG_HWCODEC == MAS3507D
@@ -589,329 +326,6 @@
 }
 #endif /* #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F) */
 
-#ifndef SIMULATOR
-#if CONFIG_HWCODEC == MAS3507D
-/* all values in tenth of dB */
-int current_volume = 0;   /* -780..+180 */
-int current_balance = 0;  /* -960..+960 */
-int current_treble = 0;   /* -150..+150 */
-int current_bass = 0;     /* -150..+150 */
-
-/* convert tenth of dB volume to register value */
-static int tenthdb2reg(int db) {
-    if (db < -540)
-        return (db + 780) / 30;
-    else
-        return (db + 660) / 15;
-}
-
-void set_prescaled_volume(void)
-{
-    int prescale;
-    int l, r;
-
-    prescale = MAX(current_bass, current_treble);
-    if (prescale < 0)
-        prescale = 0;  /* no need to prescale if we don't boost
-                          bass or treble */
-
-    mas_writereg(MAS_REG_KPRESCALE, prescale_table[prescale/10]);
-
-    /* gain up the analog volume to compensate the prescale reduction gain,
-     * but limit to +18 dB (the maximum the DAC can do */
-    if (current_volume + prescale > 180)
-        prescale = 180 - current_volume;
-    l = r = current_volume + prescale;
-
-    if (current_balance > 0)
-    {
-        l -= current_balance;
-        if (l < -780)
-            l = -780;
-    }
-    if (current_balance < 0)
-    {
-        r += current_balance;
-        if (r < -780)
-            r = -780;
-    }
-
-    dac_volume(tenthdb2reg(l), tenthdb2reg(r), false);
-}
-#endif /* MAS3507D */
-#endif /* !SIMULATOR */
-
-int channel_configuration = MPEG_SOUND_STEREO;
-int stereo_width = 100;
-
-#ifndef SIMULATOR
-static void set_channel_config(void)
-{
-    /* default values: stereo */
-    unsigned long val_ll = 0x80000;
-    unsigned long val_lr = 0;
-    unsigned long val_rl = 0;
-    unsigned long val_rr = 0x80000;
-    
-    switch(channel_configuration)
-    {
-        /* case MPEG_SOUND_STEREO unnecessary */
-
-        case MPEG_SOUND_MONO:
-            val_ll = 0xc0000;
-            val_lr = 0xc0000;
-            val_rl = 0xc0000;
-            val_rr = 0xc0000;
-            break;
-
-        case MPEG_SOUND_CUSTOM:
-            {
-                /* fixed point variables (matching MAS internal format)
-                   integer part: upper 13 bits (inlcuding sign)
-                   fractional part: lower 19 bits */
-                long fp_width, fp_straight, fp_cross;
-                
-                fp_width = (stereo_width << 19) / 100;
-                if (stereo_width <= 100)
-                {
-                    fp_straight = - ((1<<19) + fp_width) / 2;
-                    fp_cross = fp_straight + fp_width;
-                }
-                else
-                {
-                    fp_straight = - (1<<19);
-                    fp_cross = ((2 * fp_width / (((1<<19) + fp_width) >> 10))
-                                << 9) - (1<<19);
-                }
-                val_ll = val_rr = fp_straight & 0xFFFFF;
-                val_lr = val_rl = fp_cross & 0xFFFFF;
-            }
-            break;
-
-        case MPEG_SOUND_MONO_LEFT:
-            val_ll = 0x80000;
-            val_lr = 0x80000;
-            val_rl = 0;
-            val_rr = 0;
-            break;
-
-        case MPEG_SOUND_MONO_RIGHT:
-            val_ll = 0;
-            val_lr = 0;
-            val_rl = 0x80000;
-            val_rr = 0x80000;
-            break;
-
-        case MPEG_SOUND_KARAOKE:
-            val_ll = 0x80001;
-            val_lr = 0x7ffff;
-            val_rl = 0x7ffff;
-            val_rr = 0x80001;
-            break;
-    }
-
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LL, &val_ll, 1); /* LL */
-    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LR, &val_lr, 1); /* LR */
-    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RL, &val_rl, 1); /* RL */
-    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RR, &val_rr, 1); /* RR */
-#elif CONFIG_HWCODEC == MAS3507D
-    mas_writemem(MAS_BANK_D1, 0x7f8, &val_ll, 1); /* LL */
-    mas_writemem(MAS_BANK_D1, 0x7f9, &val_lr, 1); /* LR */
-    mas_writemem(MAS_BANK_D1, 0x7fa, &val_rl, 1); /* RL */
-    mas_writemem(MAS_BANK_D1, 0x7fb, &val_rr, 1); /* RR */
-#endif
-}
-#endif /* !SIMULATOR */
-
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-unsigned long mdb_shape_shadow = 0;
-unsigned long loudness_shadow = 0;
-#endif
-
-void mpeg_sound_set(int setting, int value)
-{
-#ifdef SIMULATOR
-    setting = value;
-#else
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    int tmp;
-#endif
-
-    if(!mpeg_is_initialized)
-        return;
-    
-    switch(setting)
-    {
-        case SOUND_VOLUME:
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-            tmp = 0x7f00 * value / 100;
-            mas_codec_writereg(0x10, tmp & 0xff00);
-#else
-            current_volume = -780 + (value * 960 / 100); /* tenth of dB */
-            set_prescaled_volume();
-#endif
-            break;
-
-        case SOUND_BALANCE:
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-            tmp = ((value * 127 / 100) & 0xff) << 8;
-            mas_codec_writereg(0x11, tmp & 0xff00);
-#else
-            current_balance = value * 960 / 100; /* tenth of dB */
-            set_prescaled_volume();
-#endif
-            break;
-
-        case SOUND_BASS:
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-            tmp = ((value * 8) & 0xff) << 8;
-            mas_codec_writereg(0x14, tmp & 0xff00);
-#else    
-            mas_writereg(MAS_REG_KBASS, bass_table[value+15]);
-            current_bass = value * 10;
-            set_prescaled_volume();
-#endif
-            break;
-
-        case SOUND_TREBLE:
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-            tmp = ((value * 8) & 0xff) << 8;
-            mas_codec_writereg(0x15, tmp & 0xff00);
-#else    
-            mas_writereg(MAS_REG_KTREBLE, treble_table[value+15]);
-            current_treble = value * 10;
-            set_prescaled_volume();
-#endif
-            break;
-            
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-        case SOUND_LOUDNESS:
-            loudness_shadow = (loudness_shadow & 0x04) |
-                (MAX(MIN(value * 4, 0x44), 0) << 8);
-            mas_codec_writereg(MAS_REG_KLOUDNESS, loudness_shadow);
-            break;
-            
-        case SOUND_AVC:
-            switch (value) {
-                case 1: /* 20ms */
-                    tmp = (0x1 << 8) | (0x8 << 12);
-                    break;
-                case 2: /* 2s */
-                    tmp = (0x2 << 8) | (0x8 << 12);
-                    break;
-                case 3: /* 4s */
-                    tmp = (0x4 << 8) | (0x8 << 12);
-                    break;
-                case 4: /* 8s */
-                    tmp = (0x8 << 8) | (0x8 << 12);
-                    break;
-                case -1: /* turn off and then turn on again to decay quickly */
-                    tmp = mas_codec_readreg(MAS_REG_KAVC);
-                    mas_codec_writereg(MAS_REG_KAVC, 0);
-                    break;
-                default: /* off */
-                    tmp = 0;
-                    break;  
-            }
-            mas_codec_writereg(MAS_REG_KAVC, tmp);
-            break;
-
-        case SOUND_MDB_STRENGTH:
-            mas_codec_writereg(MAS_REG_KMDB_STR, (value & 0x7f) << 8);
-            break;
-          
-        case SOUND_MDB_HARMONICS:
-            tmp = value * 127 / 100;
-            mas_codec_writereg(MAS_REG_KMDB_HAR, (tmp & 0x7f) << 8);
-            break;
-          
-        case SOUND_MDB_CENTER:
-            mas_codec_writereg(MAS_REG_KMDB_FC, (value/10) << 8);
-            break;
-          
-        case SOUND_MDB_SHAPE:
-            mdb_shape_shadow = (mdb_shape_shadow & 0x02) | ((value/10) << 8);
-            mas_codec_writereg(MAS_REG_KMDB_SWITCH, mdb_shape_shadow);
-            break;
-          
-        case SOUND_MDB_ENABLE:
-            mdb_shape_shadow = (mdb_shape_shadow & ~0x02) | (value?2:0);
-            mas_codec_writereg(MAS_REG_KMDB_SWITCH, mdb_shape_shadow);
-            break;
-          
-        case SOUND_SUPERBASS:
-            loudness_shadow = (loudness_shadow & ~0x04) |
-                (value?4:0);
-            mas_codec_writereg(MAS_REG_KLOUDNESS, loudness_shadow);
-            break;
-#endif            
-        case SOUND_CHANNELS:
-            channel_configuration = value;
-            set_channel_config();
-            break;
-        
-        case SOUND_STEREO_WIDTH:
-            stereo_width = value;
-            if (channel_configuration == MPEG_SOUND_CUSTOM)
-                set_channel_config();
-            break;
-    }
-#endif /* SIMULATOR */
-}
-
-int mpeg_val2phys(int setting, int value)
-{
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    int result = 0;
-    
-    switch(setting)
-    {
-        case SOUND_LEFT_GAIN:
-        case SOUND_RIGHT_GAIN:
-            result = (value - 2) * 15;
-            break;
-
-        case SOUND_MIC_GAIN:
-            result = value * 15 + 210;
-            break;
-
-       default:
-            result = value;
-            break;
-    }
-    return result;
-#else
-    (void)setting;
-    return value;
-#endif
-}
-
-#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-/* This function works by telling the decoder that we have another
-   crystal frequency than we actually have. It will adjust its internal
-   parameters and the result is that the audio is played at another pitch.
-
-   The pitch value is in tenths of percent.
-*/
-void mpeg_set_pitch(int pitch)
-{
-    unsigned long val;
-
-    /* invert pitch value */
-    pitch = 1000000/pitch;
-
-    /* Calculate the new (bogus) frequency */
-    val = 18432*pitch/1000;
-    
-    mas_writemem(MAS_BANK_D0, MAS_D0_OFREQ_CONTROL, &val, 1);
-
-    /* We must tell the MAS that the frequency has changed.
-       This will unfortunately cause a short silence. */
-    mas_writemem(MAS_BANK_D0, MAS_D0_IO_CONTROL_MAIN, &shadow_io_control_main, 1);
-}
-#endif
-
 void mp3_init(int volume, int bass, int treble, int balance, int loudness,
               int avc, int channel_config, int stereo_width,
               int mdb_strength, int mdb_harmonics,
@@ -1035,25 +449,25 @@
     PACR1 = (PACR1 & 0x3fff) | 0x4000; /* PA15 is IRQ3 */
 #endif
 
-    /* Must be done before calling mpeg_sound_set() */
-    mpeg_is_initialized = true;
+    /* Must be done before calling sound_set() */
+    audio_is_initialized = true;
 
-    mpeg_sound_set(SOUND_BASS, bass);
-    mpeg_sound_set(SOUND_TREBLE, treble);
-    mpeg_sound_set(SOUND_BALANCE, balance);
-    mpeg_sound_set(SOUND_VOLUME, volume);
-    mpeg_sound_set(SOUND_CHANNELS, channel_config);
-    mpeg_sound_set(SOUND_STEREO_WIDTH, stereo_width);
+    sound_set(SOUND_BASS, bass);
+    sound_set(SOUND_TREBLE, treble);
+    sound_set(SOUND_BALANCE, balance);
+    sound_set(SOUND_VOLUME, volume);
+    sound_set(SOUND_CHANNELS, channel_config);
+    sound_set(SOUND_STEREO_WIDTH, stereo_width);
     
 #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
-    mpeg_sound_set(SOUND_LOUDNESS, loudness);
-    mpeg_sound_set(SOUND_AVC, avc);
-    mpeg_sound_set(SOUND_MDB_STRENGTH, mdb_strength);
-    mpeg_sound_set(SOUND_MDB_HARMONICS, mdb_harmonics);
-    mpeg_sound_set(SOUND_MDB_CENTER, mdb_center);
-    mpeg_sound_set(SOUND_MDB_SHAPE, mdb_shape);
-    mpeg_sound_set(SOUND_MDB_ENABLE, mdb_enable);
-    mpeg_sound_set(SOUND_SUPERBASS, superbass);
+    sound_set(SOUND_LOUDNESS, loudness);
+    sound_set(SOUND_AVC, avc);
+    sound_set(SOUND_MDB_STRENGTH, mdb_strength);
+    sound_set(SOUND_MDB_HARMONICS, mdb_harmonics);
+    sound_set(SOUND_MDB_CENTER, mdb_center);
+    sound_set(SOUND_MDB_SHAPE, mdb_shape);
+    sound_set(SOUND_MDB_ENABLE, mdb_enable);
+    sound_set(SOUND_SUPERBASS, superbass);
 #endif
 #endif /* !SIMULATOR */
 
@@ -1201,7 +615,7 @@
     playstart_tick = 0;
     cumulative_ticks = 0;
     callback_for_more = 0;
-    mpeg_is_initialized = false;
+    audio_is_initialized = false;
 #endif
 }
 void mp3_shutdown(void)
@@ -1228,24 +642,6 @@
     (void)play;
 }
 
-void mpeg_sound_set(int setting, int value)
-{
-    /* a dummy */
-    (void)setting;
-    (void)value;
-}
-bool mp3_is_playing(void)
-{
-    /* a dummy */
-    return false;
-}
-
-int mpeg_val2phys(int setting, int value)
-{
-    (void) setting;
-    (void) value;
-    return value; /* FIX dummy */
-}
 unsigned char* mp3_get_pos(void)
 {
     /* a dummy */
diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index 250547e..d8de1a3 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -31,6 +31,7 @@
 #include "mp3data.h"
 #include "buffer.h"
 #include "mp3_playback.h"
+#include "sound.h"
 #ifndef SIMULATOR
 #include "i2c.h"
 #include "mas.h"
@@ -901,7 +902,7 @@
 
 #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
     /* Reset the AVC */
-    mpeg_sound_set(SOUND_AVC, -1);
+    sound_set(SOUND_AVC, -1);
 #endif /* #if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F) */
     remove_current_tag();
 
diff --git a/firmware/sound.c b/firmware/sound.c
new file mode 100644
index 0000000..ab0ab1e
--- /dev/null
+++ b/firmware/sound.c
@@ -0,0 +1,634 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdbool.h>
+#include "config.h"
+#include "sound.h"
+#ifndef SIMULATOR
+#include "i2c.h"
+#include "mas.h"
+#include "dac.h"
+#include "system.h"
+#include "hwcompat.h"
+#endif
+
+#ifndef SIMULATOR
+extern bool audio_is_initialized;
+#endif
+
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+extern unsigned long shadow_io_control_main;
+extern unsigned shadow_codec_reg0;
+#endif
+
+static const char* const units[] =
+{
+    "%",    /* Volume */
+    "dB",   /* Bass */
+    "dB",   /* Treble */
+    "%",    /* Balance */
+    "dB",   /* Loudness */
+    "",     /* AVC */
+    "",     /* Channels */
+    "%",    /* Stereo width */
+    "dB",   /* Left gain */
+    "dB",   /* Right gain */
+    "dB",   /* Mic gain */
+    "dB",   /* MDB Strength */
+    "%",    /* MDB Harmonics */
+    "Hz",   /* MDB Center */
+    "Hz",   /* MDB Shape */
+    "",     /* MDB Enable */
+    "",     /* Super bass */
+};
+
+static const int numdecimals[] =
+{
+    0,    /* Volume */
+    0,    /* Bass */
+    0,    /* Treble */
+    0,    /* Balance */
+    0,    /* Loudness */
+    0,    /* AVC */
+    0,    /* Channels */
+    0,    /* Stereo width */
+    1,    /* Left gain */
+    1,    /* Right gain */
+    1,    /* Mic gain */
+    0,    /* MDB Strength */
+    0,    /* MDB Harmonics */
+    0,    /* MDB Center */
+    0,    /* MDB Shape */
+    0,    /* MDB Enable */
+    0,    /* Super bass */
+};
+
+static const int steps[] =
+{
+    1,    /* Volume */
+    1,    /* Bass */
+    1,    /* Treble */
+    1,    /* Balance */
+    1,    /* Loudness */
+    1,    /* AVC */
+    1,    /* Channels */
+    1,    /* Stereo width */
+    1,    /* Left gain */
+    1,    /* Right gain */
+    1,    /* Mic gain */
+    1,    /* MDB Strength */
+    1,    /* MDB Harmonics */
+    10,   /* MDB Center */
+    10,   /* MDB Shape */
+    1,    /* MDB Enable */
+    1,    /* Super bass */
+};
+
+static const int minval[] =
+{
+    0,    /* Volume */
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    -12,  /* Bass */
+    -12,  /* Treble */
+#else
+    -15,  /* Bass */
+    -15,  /* Treble */
+#endif
+    -100,  /* Balance */
+    0,    /* Loudness */
+    -1,   /* AVC */
+    0,    /* Channels */
+    0,    /* Stereo width */
+    0,    /* Left gain */
+    0,    /* Right gain */
+    0,    /* Mic gain */
+    0,    /* MDB Strength */
+    0,    /* MDB Harmonics */
+    20,   /* MDB Center */
+    50,   /* MDB Shape */
+    0,    /* MDB Enable */
+    0,    /* Super bass */
+};
+
+static const int maxval[] =
+{
+    100,  /* Volume */
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    12,   /* Bass */
+    12,   /* Treble */
+#else
+    15,   /* Bass */
+    15,   /* Treble */
+#endif
+    100,   /* Balance */
+    17,   /* Loudness */
+    4,    /* AVC */
+    5,    /* Channels */
+    255,  /* Stereo width */
+    15,   /* Left gain */
+    15,   /* Right gain */
+    15,   /* Mic gain */
+    127,  /* MDB Strength */
+    100,  /* MDB Harmonics */
+    300,  /* MDB Center */
+    300,  /* MDB Shape */
+    1,    /* MDB Enable */
+    1,    /* Super bass */
+};
+
+static const int defaultval[] =
+{
+    70,   /* Volume */
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    6,    /* Bass */
+    6,    /* Treble */
+#else
+    7,    /* Bass */
+    7,    /* Treble */
+#endif
+    0,    /* Balance */
+    0,    /* Loudness */
+    0,    /* AVC */
+    0,    /* Channels */
+    100,  /* Stereo width */
+    8,    /* Left gain */
+    8,    /* Right gain */
+    2,    /* Mic gain */
+    50,   /* MDB Strength */
+    48,   /* MDB Harmonics */
+    60,   /* MDB Center */
+    90,   /* MDB Shape */
+    0,    /* MDB Enable */
+    0,    /* Super bass */
+};
+
+const char *sound_unit(int setting)
+{
+    return units[setting];
+}
+
+int sound_numdecimals(int setting)
+{
+    return numdecimals[setting];
+}
+
+int sound_steps(int setting)
+{
+    return steps[setting];
+}
+
+int sound_min(int setting)
+{
+    return minval[setting];
+}
+
+int sound_max(int setting)
+{
+    return maxval[setting];
+}
+
+int sound_default(int setting)
+{
+    return defaultval[setting];
+}
+
+#ifndef SIMULATOR
+#if CONFIG_HWCODEC == MAS3507D
+static const unsigned int bass_table[] =
+{
+    0x9e400, /* -15dB */
+    0xa2800, /* -14dB */
+    0xa7400, /* -13dB */
+    0xac400, /* -12dB */
+    0xb1800, /* -11dB */
+    0xb7400, /* -10dB */
+    0xbd400, /* -9dB */
+    0xc3c00, /* -8dB */
+    0xca400, /* -7dB */
+    0xd1800, /* -6dB */
+    0xd8c00, /* -5dB */
+    0xe0400, /* -4dB */
+    0xe8000, /* -3dB */
+    0xefc00, /* -2dB */
+    0xf7c00, /* -1dB */
+    0,
+    0x800,   /* 1dB */
+    0x10000, /* 2dB */
+    0x17c00, /* 3dB */
+    0x1f800, /* 4dB */
+    0x27000, /* 5dB */
+    0x2e400, /* 6dB */
+    0x35800, /* 7dB */
+    0x3c000, /* 8dB */
+    0x42800, /* 9dB */
+    0x48800, /* 10dB */
+    0x4e400, /* 11dB */
+    0x53800, /* 12dB */
+    0x58800, /* 13dB */
+    0x5d400, /* 14dB */
+    0x61800  /* 15dB */
+};
+
+static const unsigned int treble_table[] =
+{
+    0xb2c00, /* -15dB */
+    0xbb400, /* -14dB */
+    0xc1800, /* -13dB */
+    0xc6c00, /* -12dB */
+    0xcbc00, /* -11dB */
+    0xd0400, /* -10dB */
+    0xd5000, /* -9dB */
+    0xd9800, /* -8dB */
+    0xde000, /* -7dB */
+    0xe2800, /* -6dB */
+    0xe7e00, /* -5dB */
+    0xec000, /* -4dB */
+    0xf0c00, /* -3dB */
+    0xf5c00, /* -2dB */
+    0xfac00, /* -1dB */
+    0,
+    0x5400,  /* 1dB */
+    0xac00,  /* 2dB */
+    0x10400, /* 3dB */
+    0x16000, /* 4dB */
+    0x1c000, /* 5dB */
+    0x22400, /* 6dB */
+    0x28400, /* 7dB */
+    0x2ec00, /* 8dB */
+    0x35400, /* 9dB */
+    0x3c000, /* 10dB */
+    0x42c00, /* 11dB */
+    0x49c00, /* 12dB */
+    0x51800, /* 13dB */
+    0x58400, /* 14dB */
+    0x5f800  /* 15dB */
+};
+
+static const unsigned int prescale_table[] =
+{
+    0x80000,  /* 0db */
+    0x8e000,  /* 1dB */
+    0x9a400,  /* 2dB */
+    0xa5800, /* 3dB */
+    0xaf400, /* 4dB */
+    0xb8000, /* 5dB */
+    0xbfc00, /* 6dB */
+    0xc6c00, /* 7dB */
+    0xcd000, /* 8dB */
+    0xd25c0, /* 9dB */
+    0xd7800, /* 10dB */
+    0xdc000, /* 11dB */
+    0xdfc00, /* 12dB */
+    0xe3400, /* 13dB */
+    0xe6800, /* 14dB */
+    0xe9400  /* 15dB */
+};
+
+/* all values in tenth of dB */
+int current_volume = 0;   /* -780..+180 */
+int current_balance = 0;  /* -960..+960 */
+int current_treble = 0;   /* -150..+150 */
+int current_bass = 0;     /* -150..+150 */
+
+/* convert tenth of dB volume to register value */
+static int tenthdb2reg(int db) {
+    if (db < -540)
+        return (db + 780) / 30;
+    else
+        return (db + 660) / 15;
+}
+
+void set_prescaled_volume(void)
+{
+    int prescale;
+    int l, r;
+
+    prescale = MAX(current_bass, current_treble);
+    if (prescale < 0)
+        prescale = 0;  /* no need to prescale if we don't boost
+                          bass or treble */
+
+    mas_writereg(MAS_REG_KPRESCALE, prescale_table[prescale/10]);
+
+    /* gain up the analog volume to compensate the prescale reduction gain,
+     * but limit to +18 dB (the maximum the DAC can do */
+    if (current_volume + prescale > 180)
+        prescale = 180 - current_volume;
+    l = r = current_volume + prescale;
+
+    if (current_balance > 0)
+    {
+        l -= current_balance;
+        if (l < -780)
+            l = -780;
+    }
+    if (current_balance < 0)
+    {
+        r += current_balance;
+        if (r < -780)
+            r = -780;
+    }
+
+    dac_volume(tenthdb2reg(l), tenthdb2reg(r), false);
+}
+#endif /* MAS3507D */
+#endif /* !SIMULATOR */
+
+int channel_configuration = SOUND_CHAN_STEREO;
+int stereo_width = 100;
+
+#ifndef SIMULATOR
+static void set_channel_config(void)
+{
+    /* default values: stereo */
+    unsigned long val_ll = 0x80000;
+    unsigned long val_lr = 0;
+    unsigned long val_rl = 0;
+    unsigned long val_rr = 0x80000;
+    
+    switch(channel_configuration)
+    {
+        /* case SOUND_CHAN_STEREO unnecessary */
+
+        case SOUND_CHAN_MONO:
+            val_ll = 0xc0000;
+            val_lr = 0xc0000;
+            val_rl = 0xc0000;
+            val_rr = 0xc0000;
+            break;
+
+        case SOUND_CHAN_CUSTOM:
+            {
+                /* fixed point variables (matching MAS internal format)
+                   integer part: upper 13 bits (inlcuding sign)
+                   fractional part: lower 19 bits */
+                long fp_width, fp_straight, fp_cross;
+                
+                fp_width = (stereo_width << 19) / 100;
+                if (stereo_width <= 100)
+                {
+                    fp_straight = - ((1<<19) + fp_width) / 2;
+                    fp_cross = fp_straight + fp_width;
+                }
+                else
+                {
+                    fp_straight = - (1<<19);
+                    fp_cross = ((2 * fp_width / (((1<<19) + fp_width) >> 10))
+                                << 9) - (1<<19);
+                }
+                val_ll = val_rr = fp_straight & 0xFFFFF;
+                val_lr = val_rl = fp_cross & 0xFFFFF;
+            }
+            break;
+
+        case SOUND_CHAN_MONO_LEFT:
+            val_ll = 0x80000;
+            val_lr = 0x80000;
+            val_rl = 0;
+            val_rr = 0;
+            break;
+
+        case SOUND_CHAN_MONO_RIGHT:
+            val_ll = 0;
+            val_lr = 0;
+            val_rl = 0x80000;
+            val_rr = 0x80000;
+            break;
+
+        case SOUND_CHAN_KARAOKE:
+            val_ll = 0x80001;
+            val_lr = 0x7ffff;
+            val_rl = 0x7ffff;
+            val_rr = 0x80001;
+            break;
+    }
+
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LL, &val_ll, 1); /* LL */
+    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_LR, &val_lr, 1); /* LR */
+    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RL, &val_rl, 1); /* RL */
+    mas_writemem(MAS_BANK_D0, MAS_D0_OUT_RR, &val_rr, 1); /* RR */
+#elif CONFIG_HWCODEC == MAS3507D
+    mas_writemem(MAS_BANK_D1, 0x7f8, &val_ll, 1); /* LL */
+    mas_writemem(MAS_BANK_D1, 0x7f9, &val_lr, 1); /* LR */
+    mas_writemem(MAS_BANK_D1, 0x7fa, &val_rl, 1); /* RL */
+    mas_writemem(MAS_BANK_D1, 0x7fb, &val_rr, 1); /* RR */
+#endif
+}
+#endif /* !SIMULATOR */
+
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+unsigned long mdb_shape_shadow = 0;
+unsigned long loudness_shadow = 0;
+#endif
+
+void sound_set(int setting, int value)
+{
+#ifdef SIMULATOR
+    setting = value;
+#else
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    int tmp;
+#endif
+
+    if(!audio_is_initialized)
+        return;
+    
+    switch(setting)
+    {
+        case SOUND_VOLUME:
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+            tmp = 0x7f00 * value / 100;
+            mas_codec_writereg(0x10, tmp & 0xff00);
+#elif CONFIG_HWCODEC == MAS3507D
+            current_volume = -780 + (value * 960 / 100); /* tenth of dB */
+            set_prescaled_volume();
+#endif
+            break;
+
+        case SOUND_BALANCE:
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+            tmp = ((value * 127 / 100) & 0xff) << 8;
+            mas_codec_writereg(0x11, tmp & 0xff00);
+#elif CONFIG_HWCODEC == MAS3507D
+            current_balance = value * 960 / 100; /* tenth of dB */
+            set_prescaled_volume();
+#endif
+            break;
+
+        case SOUND_BASS:
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+            tmp = ((value * 8) & 0xff) << 8;
+            mas_codec_writereg(0x14, tmp & 0xff00);
+#elif CONFIG_HWCODEC == MAS3507D
+            mas_writereg(MAS_REG_KBASS, bass_table[value+15]);
+            current_bass = value * 10;
+            set_prescaled_volume();
+#endif
+            break;
+
+        case SOUND_TREBLE:
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+            tmp = ((value * 8) & 0xff) << 8;
+            mas_codec_writereg(0x15, tmp & 0xff00);
+#elif CONFIG_HWCODEC == MAS3507D
+            mas_writereg(MAS_REG_KTREBLE, treble_table[value+15]);
+            current_treble = value * 10;
+            set_prescaled_volume();
+#endif
+            break;
+            
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+        case SOUND_LOUDNESS:
+            loudness_shadow = (loudness_shadow & 0x04) |
+                (MAX(MIN(value * 4, 0x44), 0) << 8);
+            mas_codec_writereg(MAS_REG_KLOUDNESS, loudness_shadow);
+            break;
+            
+        case SOUND_AVC:
+            switch (value) {
+                case 1: /* 20ms */
+                    tmp = (0x1 << 8) | (0x8 << 12);
+                    break;
+                case 2: /* 2s */
+                    tmp = (0x2 << 8) | (0x8 << 12);
+                    break;
+                case 3: /* 4s */
+                    tmp = (0x4 << 8) | (0x8 << 12);
+                    break;
+                case 4: /* 8s */
+                    tmp = (0x8 << 8) | (0x8 << 12);
+                    break;
+                case -1: /* turn off and then turn on again to decay quickly */
+                    tmp = mas_codec_readreg(MAS_REG_KAVC);
+                    mas_codec_writereg(MAS_REG_KAVC, 0);
+                    break;
+                default: /* off */
+                    tmp = 0;
+                    break;  
+            }
+            mas_codec_writereg(MAS_REG_KAVC, tmp);
+            break;
+
+        case SOUND_MDB_STRENGTH:
+            mas_codec_writereg(MAS_REG_KMDB_STR, (value & 0x7f) << 8);
+            break;
+          
+        case SOUND_MDB_HARMONICS:
+            tmp = value * 127 / 100;
+            mas_codec_writereg(MAS_REG_KMDB_HAR, (tmp & 0x7f) << 8);
+            break;
+          
+        case SOUND_MDB_CENTER:
+            mas_codec_writereg(MAS_REG_KMDB_FC, (value/10) << 8);
+            break;
+          
+        case SOUND_MDB_SHAPE:
+            mdb_shape_shadow = (mdb_shape_shadow & 0x02) | ((value/10) << 8);
+            mas_codec_writereg(MAS_REG_KMDB_SWITCH, mdb_shape_shadow);
+            break;
+          
+        case SOUND_MDB_ENABLE:
+            mdb_shape_shadow = (mdb_shape_shadow & ~0x02) | (value?2:0);
+            mas_codec_writereg(MAS_REG_KMDB_SWITCH, mdb_shape_shadow);
+            break;
+          
+        case SOUND_SUPERBASS:
+            loudness_shadow = (loudness_shadow & ~0x04) |
+                (value?4:0);
+            mas_codec_writereg(MAS_REG_KLOUDNESS, loudness_shadow);
+            break;
+#endif            
+        case SOUND_CHANNELS:
+            channel_configuration = value;
+            set_channel_config();
+            break;
+        
+        case SOUND_STEREO_WIDTH:
+            stereo_width = value;
+            if (channel_configuration == SOUND_CHAN_CUSTOM)
+                set_channel_config();
+            break;
+    }
+#endif /* SIMULATOR */
+}
+
+int sound_val2phys(int setting, int value)
+{
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+    int result = 0;
+    
+    switch(setting)
+    {
+        case SOUND_LEFT_GAIN:
+        case SOUND_RIGHT_GAIN:
+            result = (value - 2) * 15;
+            break;
+
+        case SOUND_MIC_GAIN:
+            result = value * 15 + 210;
+            break;
+
+       default:
+            result = value;
+            break;
+    }
+    return result;
+#else
+    (void)setting;
+    return value;
+#endif
+}
+
+#if (CONFIG_HWCODEC == MAS3587F) || (CONFIG_HWCODEC == MAS3539F)
+/* This function works by telling the decoder that we have another
+   crystal frequency than we actually have. It will adjust its internal
+   parameters and the result is that the audio is played at another pitch.
+
+   The pitch value is in tenths of percent.
+*/
+void sound_set_pitch(int pitch)
+{
+    unsigned long val;
+
+    /* invert pitch value */
+    pitch = 1000000/pitch;
+
+    /* Calculate the new (bogus) frequency */
+    val = 18432*pitch/1000;
+    
+    mas_writemem(MAS_BANK_D0, MAS_D0_OFREQ_CONTROL, &val, 1);
+
+    /* We must tell the MAS that the frequency has changed.
+       This will unfortunately cause a short silence. */
+    mas_writemem(MAS_BANK_D0, MAS_D0_IO_CONTROL_MAIN, &shadow_io_control_main, 1);
+}
+#elif defined SIMULATOR
+void sound_set_pitch(int pitch)
+{
+    (void)pitch;
+}
+#endif
+
+#if CONFIG_HWCODEC == MASNONE
+bool mp3_is_playing(void)
+{
+    /* a dummy */
+    return false;
+}
+#endif