--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/layer1/audio_include/l1audio_abb.h	Fri May 15 01:28:16 2020 +0000
@@ -0,0 +1,24 @@
+/*
+ *        Filename l1audio_abb.h
+ *  Copyright 2003 (C) Texas Instruments  
+ *
+ *
+ */
+
+#define ABB_L1_WRITE(addr,data) (((data) << 6) | (addr) | 0x01)
+
+void ABB_CAL_UlVolume     (UWORD8 pga_index);
+void ABB_CAL_DlVolume     (UWORD8 volume_index, UWORD8 pga_index);
+void ABB_UlVolume         (UWORD8 volume_index);
+void ABB_DlVolume         (UWORD8 volume_index);
+void ABB_DlMute           (BOOL mute);
+void ABB_SideTone         (UWORD8 volume_index);
+void ABB_Audio_Config     (UWORD16 data);
+void ABB_Audio_Config_2   (UWORD16 data); 
+void ABB_UlMute           (BOOL mute);
+void ABB_Audio_Control    (UWORD16 data);
+void ABB_Audio_On_Off     (UWORD16 data);
+void ABB_Audio_Volume     (UWORD16 data);
+void ABB_Audio_PLL        (UWORD16 data);
+void ABB_Audio_VBPop      (UWORD16 data);
+void ABB_Audio_Delay_Init (UWORD8 delay);