--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/aci2/aci/hl_audio_drv.c	Mon Sep 26 00:29:36 2016 +0000
@@ -0,0 +1,203 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  GSM-PS (6147)
+|  Modul   :  AOC
++-----------------------------------------------------------------------------
+|  Copyright 2002 Texas Instruments Berlin, AG
+|                 All rights reserved.
+|
+|                 This file is confidential and a trade secret of Texas
+|                 Instruments Berlin, AG
+|                 The receipt of or possession of this file does not convey
+|                 any rights to reproduce or disclose its contents or to
+|                 manufacture, use, or sell anything it may describe, in
+|                 whole, or in part, without the specific written consent of
+|                 Texas Instruments Berlin, AG.
++-----------------------------------------------------------------------------
+|  Purpose :  This module defines the functions for the high level audio 
+              driver interface.
++-----------------------------------------------------------------------------
+*/
+
+
+#ifndef HL_AUDIO_DRV_C
+#define HL_AUDIO_DRV_C
+#endif
+
+#include "aci_all.h"
+#include "aci_cmh.h"
+#include "aci.h"
+#include "psa.h"
+#include "hl_audio_drv.h"
+
+
+
+/* ===============GLOBAL VARIABLES====================*/
+
+LOCAL T_HL_VOCODER_STATE currVocoderState;
+
+/* This flag helps enable the vocoder interface testing for
+   specific tescases 
+*/
+#ifdef _SIMULATION_
+BOOL vocoder_tst_flag; 
+#endif
+
+
+/* =============FUNCTION DEFINITIONS FOR L1===========*/
+#ifndef _SIMULATION_
+#ifdef VOCODER_FUNC_INTERFACE
+void vocoder_mute_dl( BOOL mute );
+void vocoder_mute_ul( BOOL mute );
+void enable_tch_vocoder (BOOL vocoder_on);
+#endif /* VOCODER_FUNC_INTERFACE */
+#endif /* _SIMULATION_ */
+
+
+/*================= FUNCTIONS ========================*/
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)         MODULE  : HL_AUDIO_DRV            |
+|                                 ROUTINE : hl_audio_drv_init       |
++-------------------------------------------------------------------+
+
+  PURPOSE : This function is called to initialise the variables in 
+            the High Level Audio driver
+*/
+GLOBAL void hl_audio_drv_init (void)
+{
+  TRACE_FUNCTION("hl_audio_drv_init()");
+
+  currVocoderState = HL_VOCODER_DISABLED;
+#ifdef _SIMULATION_
+  vocoder_tst_flag = FALSE;
+#endif
+
+}
+
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)         MODULE  : HL_AUDIO_DRV            |
+|                                 ROUTINE : hl_drv_enable_vocoder   |
++-------------------------------------------------------------------+
+
+  PURPOSE : This function is called to initialise the variables in 
+            the High Level Audio driver
+*/
+GLOBAL T_HL_VOICE_DRV_RSLT hl_drv_enable_vocoder ( void )
+{
+  TRACE_FUNCTION("hl_drv_enable_vocoder()");
+  /* If the vocoder is already enabled, then ignore the request */
+  switch(currVocoderState)
+  {
+    case HL_VOCODER_ENABLED:
+      TRACE_EVENT("*--Vocoder already active--*");
+      return HL_VOICE_DRV_SUCC;
+
+    case HL_VOCODER_ENABLE_REQ:
+      TRACE_EVENT("*--Vocoder cannot be enabled--*");
+      return HL_VOICE_DRV_FAIL;
+
+    case HL_VOCODER_DISABLED:
+      break;
+  }
+
+#ifdef _SIMULATION_
+  if (vocoder_tst_flag)
+#endif
+  {
+#ifndef VOCODER_FUNC_INTERFACE
+  {
+    PALLOC(mmi_tch_vocoder_cfg_req, MMI_TCH_VOCODER_CFG_REQ);
+      mmi_tch_vocoder_cfg_req->vocoder_state = VOCODER_ENABLE;
+    PSENDX(L1, mmi_tch_vocoder_cfg_req);
+  }
+    currVocoderState = HL_VOCODER_ENABLE_REQ;
+#else
+#ifndef _SIMULATION_
+    TRACE_EVENT("Function interface for Vocoder");
+    enable_tch_vocoder(TRUE);
+    vocoder_mute_dl (FALSE);      /* un-mute speaker    */
+    vocoder_mute_ul (FALSE);      /* un-mute microphone */
+    currVocoderState = HL_VOCODER_ENABLED;
+#endif /* _SIMULATION_ */
+#endif
+  }
+  return HL_VOICE_DRV_SUCC;
+}
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)         MODULE  : HL_AUDIO_DRV            |
+|                                 ROUTINE : hl_drv_disable_vocoder  |
++-------------------------------------------------------------------+
+
+  PURPOSE : This function is called to initialise the variables in 
+            the High Level Audio driver
+*/
+GLOBAL void hl_drv_disable_vocoder ( void )
+{
+  TRACE_FUNCTION("hl_drv_disable_vocoder()");
+
+  currVocoderState = HL_VOCODER_DISABLED;
+#ifndef VOCODER_FUNC_INTERFACE
+  /* Do nothing in this case */
+#else
+#ifndef _SIMULATION_
+  TRACE_EVENT("Function interface for Vocoder");
+  vocoder_mute_dl (TRUE);       /* mute speaker    */
+  vocoder_mute_ul (TRUE);       /* mute microphone */
+  enable_tch_vocoder (FALSE);   /* disable vocoder */
+#endif
+#endif
+}
+
+
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)        MODULE  : HL_AUDIO_DRV             |
+|                                ROUTINE : hl_drv_get_vocoder_state |
++-------------------------------------------------------------------+
+
+  PURPOSE : This function returns the state of the vocoder
+*/
+
+GLOBAL T_HL_VOCODER_STATE hl_drv_get_vocoder_state (void)
+{
+  return currVocoderState;
+}
+
+#ifndef VOCODER_FUNC_INTERFACE
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)        MODULE  : HL_AUDIO_DRV             |
+|                                ROUTINE : hl_drv_vocoder_enabled   |
++-------------------------------------------------------------------+
+
+  PURPOSE : Currently this function does nothing
+*/
+
+GLOBAL void hl_drv_vocoder_enabled (void)
+{
+  TRACE_FUNCTION("hl_drv_vocoder_enabled()");
+  currVocoderState = HL_VOCODER_ENABLED;
+}
+#endif
+
+#ifdef _SIMULATION_
+/*
++-------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)        MODULE  : HL_AUDIO_DRV             |
+|                                ROUTINE : hl_audio_drv_initForTest |
++-------------------------------------------------------------------+
+
+  PURPOSE : Initialise global variables related to simulaed 
+*/
+
+GLOBAL void hl_audio_drv_initForTest(void)
+{
+  vocoder_tst_flag = TRUE;
+}
+#endif
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