--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/L1/audio_cfile/l1audio_stereo.c	Fri Aug 29 03:25:51 2014 +0000
@@ -0,0 +1,685 @@
+/*
+ * l1audio_stereo.c
+ *
+ * Control audio
+ *
+ *        Filename l1audio_stereo.c
+ *  Copyright 2003 (C) Texas Instruments
+ *
+ *
+ */
+
+#include "l1_macro.h"
+#include "l1_confg.h"
+
+#define _L1AUDIO_STEREO_C_
+
+#if (AUDIO_TASK == 1)
+
+#include "l1_types.h"
+#include "sys_types.h"
+
+#if (CODE_VERSION == SIMULATION) && (AUDIO_SIMULATION)
+
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "iq.h"             // Debug / Init hardware  ("eva3.lib")
+#include "l1_ver.h"
+#include "l1_const.h"
+#include "l1_signa.h"
+
+#if TESTMODE
+#include "l1tm_defty.h"
+#endif
+
+#include "l1audio_const.h"
+#include "l1audio_cust.h"
+#include "l1audio_signa.h"
+#include "l1audio_defty.h"
+#include "l1audio_msgty.h"
+
+#if (L1_GTT == 1)
+#include "l1gtt_const.h"
+#include "l1gtt_defty.h"
+#endif
+//added here from e-sample for AAC
+#if (L1_DYN_DSP_DWNLD == 1)
+#include "l1_dyn_dwl_const.h"
+#include "l1_dyn_dwl_defty.h"
+#endif
+#if (L1_MP3 == 1)
+#include "l1mp3_defty.h"
+#endif
+
+#if (L1_MIDI == 1)
+#include "l1midi_defty.h"
+#endif
+//added here from e-sample for AAC
+#if (L1_AAC == 1)
+#include "l1aac_defty.h"
+#endif
+
+#include "l1_defty.h"
+#include "cust_os.h"
+#include "l1_msgty.h"
+#include "l1_varex.h"
+
+#include "l1_mftab.h"
+#include "l1_tabs.h"
+#include "l1_ctl.h"
+
+#include "l1_time.h"
+#include "l1_scen.h"
+
+#if (L1_STEREOPATH == 1)
+#include "sys_dma.h"
+#include "sys_inth.h"
+#include "abb.h"
+#if TESTMODE
+#include "l1tm_msgty.h"
+#endif
+#include "l1audio_stereo.h"
+#endif
+
+#else
+// Layer1 and debug include files.
+
+#include <ctype.h>
+#include <math.h>
+#include "l1_ver.h"
+#include "l1_const.h"
+#include "l1_signa.h"
+
+#if TESTMODE
+#include "l1tm_defty.h"
+#endif
+
+#include "l1audio_const.h"
+#include "l1audio_cust.h"
+#include "l1audio_signa.h"
+#include "l1audio_defty.h"
+#include "l1audio_msgty.h"
+
+#if (L1_GTT == 1)
+#include "l1gtt_const.h"
+#include "l1gtt_defty.h"
+#endif
+//added here from e-sample for AAC
+#if (L1_DYN_DSP_DWNLD == 1)
+#include "l1_dyn_dwl_const.h"
+#include "l1_dyn_dwl_defty.h"
+#endif
+#if (L1_MP3 == 1)
+#include "l1mp3_defty.h"
+#endif
+
+#if (L1_MIDI == 1)
+#include "l1midi_defty.h"
+#endif
+//added here from e-sample for AAC
+#if (L1_AAC == 1)
+#include "l1aac_defty.h"
+#endif
+#include "l1_defty.h"
+#include "cust_os.h"
+#include "l1_msgty.h"
+#include "tpudrv.h"       // TPU drivers.           ("eva3.lib")
+#include "l1_varex.h"
+
+#include "l1_proto.h"
+#include "l1_mftab.h"
+#include "l1_tabs.h"
+#include "mem.h"
+#include "armio.h"
+#include "timer.h"
+#include "timer1.h"
+#include "dma.h"
+#include "inth.h"
+#include "ulpd.h"
+#include "rhea_arm.h"
+#include "clkm.h"         // Clockm  ("eva3.lib")
+#include "l1_ctl.h"
+
+#include "l1_time.h"
+#if L2_L3_SIMUL
+#include "l1_scen.h"
+#endif
+
+#if (L1_STEREOPATH == 1)
+#include "sys_dma.h"
+#include "sys_inth.h"
+#include "abb.h"
+#if TESTMODE
+#include "l1tm_msgty.h"
+#endif
+#include "l1audio_stereo.h"
+#endif
+
+#include "l1audio_abb.h"
+#endif
+
+#include "l1audio_macro.h"
+
+//add the extern reference of abb_write_done
+#if (ANLG_FAM == 11)
+#include "bspTwl3029_I2c.h"
+#include "bspTwl3029_Aud_Map.h"
+#endif
+
+#if (ANLG_FAM == 11)
+Bsp_Twl3029_I2cTransReqArray l1audio_i2cTransArray;
+#endif
+
+#if (L1_STEREOPATH == 1) && (CODE_VERSION == NOT_SIMULATION)
+
+#if (ANLG_FAM == 11)
+ #include "bspTwl3029_Int_Map.h"
+
+
+//Add the call back function of the stereo path.
+void l1s_stereopath_callback(UWORD8 cbvalue)
+{
+  BspTwl3029_ReturnCode returnVal = BSP_TWL3029_RETURN_CODE_FAILURE;
+  UWORD16 count = 0;
+  UINT8 triton_classD = 0;
+
+  /* callback function info pointer */
+  BspTwl3029_I2C_Callback i2c_callback;
+  BspTwl3029_I2C_CallbackPtr callbackPtr= &i2c_callback;
+
+  /* I2C array */
+  Bsp_Twl3029_I2cTransReqArray i2cTransArray;
+  Bsp_Twl3029_I2cTransReqArrayPtr i2cTransArrayPtr= &i2cTransArray;
+
+  /* twl3029 I2C reg info struct */
+  BspTwl3029_I2C_RegisterInfo regInfo[10] ;
+  BspTwl3029_I2C_RegisterInfo* regInfoPtr = regInfo;
+
+  BspTwl3029_I2C_RegData tmpAudioHFTest1RegData=0;
+  BspTwl3029_I2C_RegData tmpCtrl3RegData=0;
+
+  bspTwl3029_Audio_getClassD_mode(&triton_classD);
+
+  //Set the valud of abb_write_done to 1
+  l1s.abb_write_done = 1;
+  switch(cbvalue)
+  {
+    case L1S_TWL3029_STEROPATH_START:
+    {
+      l1a_l1s_com.outen_cfg_task.command_commited = l1a_l1s_com.outen_cfg_task.command_requested;
+
+      returnVal = BspTwl3029_I2c_shadowRegRead(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_AUDIO_CTRL3_OFFSET,
+                                              &tmpCtrl3RegData);
+      returnVal = BspTwl3029_I2c_shadowRegRead(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_AUDIO_HFTEST1_OFFSET,
+                                              &tmpAudioHFTest1RegData);
+
+      returnVal = BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_OUTEN1_OFFSET,
+                                              l1a_l1s_com.outen_cfg_task.outen1,  regInfoPtr++);
+      count++;
+
+      returnVal = BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_OUTEN2_OFFSET,
+                                              l1a_l1s_com.outen_cfg_task.outen2,  regInfoPtr++);
+      count++;
+
+      if(l1a_l1s_com.outen_cfg_task.classD == 0x01) // User wants to configure classD
+      {
+        if(triton_classD == 0x00) // User wants to switch on and Triton not configured for classD
+        {
+          returnVal= BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_CKG_TESTUNLOCK_OFFSET,
+                                              0xb6,  regInfoPtr++);
+          count++;
+
+          returnVal= BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_OUTEN3_OFFSET,
+                                              l1a_l1s_com.outen_cfg_task.outen3,  regInfoPtr++);
+          count++;
+
+          tmpCtrl3RegData |= 0x80;   // AUDIO_CTRL3_SPKDIGON
+          tmpAudioHFTest1RegData = 0x01; // AUDIO_HFTEST1_SPKALLZB
+
+          BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_AUDIO_CTRL3_OFFSET,
+                                               tmpCtrl3RegData,  regInfoPtr++);
+          count++;
+
+          BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_AUDIO_HFTEST1_OFFSET,
+                                               tmpAudioHFTest1RegData,  regInfoPtr++);
+          count++;
+          }
+        }
+        else if(l1a_l1s_com.outen_cfg_task.classD == 0x00)
+        {
+          if(triton_classD != 0x00) // User wants no to classD and Triton configured for classD
+          {
+            tmpCtrl3RegData &= 0x7F;   // AUDIO_CTRL3_SPKDIGON
+            tmpAudioHFTest1RegData = 0x00; // AUDIO_HFTEST1_SPKALLZB
+
+            BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_AUDIO_HFTEST1_OFFSET,
+                                            tmpAudioHFTest1RegData,  regInfoPtr++);
+            count++;
+
+            BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_AUDIO_CTRL3_OFFSET,
+                                                 tmpCtrl3RegData,  regInfoPtr++);
+            count++;
+
+            returnVal= BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_OUTEN3_OFFSET,
+                                                 l1a_l1s_com.outen_cfg_task.outen3,  regInfoPtr++);
+            count++;
+
+            BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD, BSP_TWL_3029_MAP_CKG_TESTUNLOCK_OFFSET,
+                                                 0x00,  regInfoPtr++);
+            count++;
+          }
+          else // User no classD & Triton also no classD
+          {
+            returnVal= BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_OUTEN3_OFFSET,
+                                                l1a_l1s_com.outen_cfg_task.outen3,  regInfoPtr++);
+            count++;
+            returnVal = BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_OUTEN2_OFFSET,
+	                                            l1a_l1s_com.outen_cfg_task.outen2,  regInfoPtr++);
+            count++;
+            returnVal= BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_OUTEN3_OFFSET,
+                                                l1a_l1s_com.outen_cfg_task.outen3,  regInfoPtr++);
+            count++;
+          }
+        }
+                /*Switch OFF all pop modes unconditionally , it is turned on before turning on STON*/
+                returnVal=BspTwl3029_I2c_regQueWrite(BSP_TWL3029_I2C_AUD,BSP_TWL_3029_MAP_AUDIO_POPMAN_OFFSET, 0x00,regInfoPtr++);
+                count++;
+
+        callbackPtr->callbackFunc =  l1s_stereopath_callback;
+        callbackPtr->callbackVal = L1S_TWL3029_STEROPATH_OUTEN_CONFIG;
+
+        if (returnVal != BSP_TWL3029_RETURN_CODE_FAILURE)
+        {
+          regInfoPtr = regInfo;
+          /* now request to I2C manager to write to Triton registers */
+
+         returnVal = BspTwl3029_I2c_regInfoSend(regInfo,count,callbackPtr,
+                                             (BspI2c_TransactionRequest*)i2cTransArrayPtr);
+        }
+        break;
+        }
+    case L1S_TWL3029_STEROPATH_CONFIG:
+    case L1S_TWL3029_STEROPATH_OUTEN_CONFIG:
+    case L1S_TWL3029_STEROPATH_STOP:
+        break;
+    default:
+        break;
+    }/* end switch */
+}  /* end function l1s_stereopath_callback */
+
+#endif
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_config_ABB()                       */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : mono_stereo: indicates if buffer is made */
+/*              of mono or stereo samples                */
+/*              sampling_frequency: sampling freq        */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : ABB configuration function              */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_config_ABB(UWORD8 mono_stereo,UWORD8 sampling_frequency)
+{
+#if (ANLG_FAM == 3)
+    UWORD16 regist;
+
+    // Get the VAUDCTRL register
+    regist = l1s_dsp_com.dsp_ndb_ptr->d_vaud_cfg >> 6;
+
+    // reset sampling frequency and stereo/mono conversion
+    regist &= 0x319;
+
+    // stereo/mono conversion ?
+    if (mono_stereo == AUDIO_SP_MONO_OUTPUT)
+	regist |= 6;
+
+    // apply the request sampling frequency
+    regist |= (sampling_frequency << 5);
+
+    // update DSP API
+    l1s_dsp_com.dsp_ndb_ptr->d_vaud_cfg = ABB_L1_WRITE(VAUDCTRL, regist);
+
+    // Get the VBCTRL2 register
+    regist = l1s_dsp_com.dsp_ndb_ptr->d_vbctrl2 >> 6;
+    // activate HSOVMID and VMIDFBYP
+    regist |= 0x90;
+    l1s_dsp_com.dsp_ndb_ptr->d_vbctrl2 = ABB_L1_WRITE(VBCTRL2, regist);
+
+    // Get the VAUDPLL register
+    regist = l1s_dsp_com.dsp_ndb_ptr->d_vaud_pll >> 6;
+    // reset PLL
+    regist &= 0x3fd;
+    // switch PLL on
+    regist |= 0x2;
+
+    // update DSP API
+    l1s_dsp_com.dsp_ndb_ptr->d_vaud_pll = ABB_L1_WRITE(VAUDPLL, regist);
+
+    // Get the VBPOP register
+    regist = l1s_dsp_com.dsp_ndb_ptr->d_vbpop >> 6;
+    // deactivate vbpop for HSO
+    regist &= 0x3F8;
+
+    // update DSP API
+    l1s_dsp_com.dsp_ndb_ptr->d_vbpop = ABB_L1_WRITE(VBPOP, regist);
+
+#endif
+
+#if (ANLG_FAM == 11)
+    // Call to the Triton API which would configure the Audio path.
+    UWORD8 monostereo;
+    UWORD8 pll;
+    //Call back function
+    BspTwl3029_I2C_Callback stereo_callbackFunc;
+
+    //Switch on the Stereo path PLL - Set the STPLLON to 1
+    pll = 0x02;
+    //Check if stereo2mono is required
+    if (mono_stereo == AUDIO_SP_MONO_OUTPUT)
+	monostereo = 0x03;
+    else
+	monostereo = 0x00;
+
+    //Set the call back function to be called after the Audio configuration
+    stereo_callbackFunc.callbackFunc = l1s_stereopath_callback ;
+    //stereo_callbackFunc.callbackVal  = L1S_TWL3029_STEROPATH_CONFIG;
+    stereo_callbackFunc.callbackVal  = L1S_TWL3029_STEROPATH_START;
+    stereo_callbackFunc.i2cTransArrayPtr = &l1audio_i2cTransArray;
+
+    //Call the Triton audio path configuration function
+    if(BSP_TWL3029_RETURN_CODE_SUCCESS == bspTwl3029_Audio_Configure_Stereopath(&stereo_callbackFunc,
+		pll,
+		monostereo,
+		sampling_frequency ))
+    {
+	//Set the valud of abb_write_done to 1
+	l1s.abb_write_done = 1;
+    }
+
+#endif
+}
+
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_start_ABB()                        */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : none                                     */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : ABB start function                      */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_start_ABB(void)
+{
+#if (ANLG_FAM == 3)
+    // Get VAUDPLL register
+    UWORD16 regist = l1s_dsp_com.dsp_ndb_ptr->d_vaud_pll >> 6;
+
+    // Reset I2S
+    regist &= 0x2ff;
+    // I2S on
+    regist |= 0x100;
+
+    // update DSP API
+    l1s_dsp_com.dsp_ndb_ptr->d_vaud_pll = ABB_L1_WRITE(VAUDPLL, regist);
+
+    // Set AUDON bit of the PWRDNRG register
+    regist = 0x100;
+    // update DSP API
+    l1s_dsp_com.dsp_ndb_ptr->d_togbr2 = ABB_L1_WRITE(TOGBR2, regist);
+#endif
+#if (ANLG_FAM == 11)
+    //Call back function
+    BspTwl3029_I2C_Callback stereo_callbackFunc;
+    //Set the call back function to be called after the Audio start
+    stereo_callbackFunc.callbackFunc = l1s_stereopath_callback ;
+    stereo_callbackFunc.callbackVal  = L1S_TWL3029_STEROPATH_CONFIG;
+    stereo_callbackFunc.i2cTransArrayPtr = &l1audio_i2cTransArray;
+
+    //call the Triton audio path start function
+    if (BSP_TWL3029_RETURN_CODE_SUCCESS == bspTwl3029_Audio_Start_Stereopath(&stereo_callbackFunc))
+    {
+	l1s.abb_write_done = 1;
+    };
+#endif
+
+}
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_stop_ABB()                         */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : none                                     */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : ABB stop function                       */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_stop_ABB(void)
+{
+#if (ANLG_FAM == 3)
+    UWORD16 regist;
+
+    // Reset AUDON bit of the PWRDNRG register
+    regist = 0x80;
+    // update DSP API
+    l1s_dsp_com.dsp_ndb_ptr->d_togbr2 = ABB_L1_WRITE(TOGBR2, regist);
+
+    // Get VAUDPLL register
+    regist = l1s_dsp_com.dsp_ndb_ptr->d_vaud_pll >> 6;
+    // PLL/I2S off
+    regist &= 0x2fd;
+    ABB_Write_Register_on_page(PAGE1, VAUDPLL, regist);
+    // update DSP API
+    l1s_dsp_com.dsp_ndb_ptr->d_vaud_pll = ABB_L1_WRITE(VAUDPLL, regist);
+#endif
+#if (ANLG_FAM == 11)
+    //Call back function
+    BspTwl3029_I2C_Callback stereo_callbackFunc;
+
+    UWORD8  dl_control = 1;  // OUTEN_DISABLE
+
+    // Set the call back function to be called after the Audio start
+    stereo_callbackFunc.callbackFunc = l1s_stereopath_callback ;
+    stereo_callbackFunc.callbackVal = L1S_TWL3029_STEROPATH_STOP;
+    stereo_callbackFunc.i2cTransArrayPtr = &l1audio_i2cTransArray;
+
+    if( (l1s.audio_state[L1S_AUDIO_DL_ONOFF_STATE] == L1_AUDIO_DL_ON)   ||
+	    (l1s.audio_state[L1S_AUDIO_DL_ONOFF_STATE] == L1_AUDIO_DL_SWITCHON_STARTED))
+    {
+	dl_control = 0;   // OUTEN_ENABLE
+    }
+
+    //call the Triton audio path start function
+    if (BSP_TWL3029_RETURN_CODE_SUCCESS == bspTwl3029_Audio_Stop_Stereopath(&stereo_callbackFunc, dl_control))
+    {
+	l1s.abb_write_done = 1;
+    };
+#endif
+}
+
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_start_DMA()                        */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : d_dma_channel_parameter: DMA parameters  */
+/*              DMA_allocation: allocation of the DMA    */
+/*                              (MCU/DSP)                */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : DMA config and start function           */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_start_DMA(T_DMA_TYPE_CHANNEL_PARAMETER d_dma_channel_parameter,UWORD8 DMA_allocation)
+{
+#if ((CHIPSET == 12) || (CHIPSET == 15))
+#if (L1_MP3_SIX_BUFFER == 1)
+	// allocate the DMA to the MCU
+    f_dma_channel_allocation_set(d_dma_channel_parameter.d_dma_channel_number, C_DMA_CHANNEL_ARM);
+
+    // set parameters
+    f_dma_channel_parameter_set((T_DMA_TYPE_CHANNEL_PARAMETER *)&d_dma_channel_parameter);
+#else 
+	// set parameters
+    f_dma_channel_parameter_set((T_DMA_TYPE_CHANNEL_PARAMETER *)&d_dma_channel_parameter);
+
+    // allocate the DMA to the MCU
+    f_dma_channel_allocation_set(d_dma_channel_parameter.d_dma_channel_number, C_DMA_CHANNEL_ARM);
+
+#endif 
+    // Enable the DMA channel
+    f_dma_channel_enable(d_dma_channel_parameter.d_dma_channel_number);
+
+
+    // DMA allocation ?
+    if (DMA_allocation == AUDIO_SP_DMA_ALLOC_MCU)
+    {
+	// DMA is allocate to MCU, just unmask DMA IT
+	F_INTH_ENABLE_ONE_IT(C_INTH_DMA_IT);
+    }
+    else
+    {
+	// DMA is allocate to DSP, unmask API IT
+	F_INTH_ENABLE_ONE_IT(C_INTH_API_IT);
+
+	// Re-allocate DMA to the DSP
+	f_dma_channel_allocation_set(d_dma_channel_parameter.d_dma_channel_number, C_DMA_CHANNEL_DSP);
+    }
+#endif
+}
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_reset_DMA()                        */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : d_dma_channel_parameter: DMA parameters  */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : DMA reset function                      */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_reset_DMA(T_DMA_TYPE_CHANNEL_PARAMETER d_dma_channel_parameter)
+{
+#if ((CHIPSET == 12) || (CHIPSET == 15))
+    // Allocate DMA to MCU
+    f_dma_channel_allocation_set(d_dma_channel_parameter.d_dma_channel_number, C_DMA_CHANNEL_ARM);
+
+    // Disable DMA channel
+    f_dma_channel_disable(d_dma_channel_parameter.d_dma_channel_number);
+
+    // Reset DMA channel
+    f_dma_channel_soft_reset(d_dma_channel_parameter.d_dma_channel_number);
+#endif
+}
+
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_reset_CPORT()                      */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : none                                     */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : Cport reset function                    */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_reset_CPORT(void)
+{
+#if ((CHIPSET == 12) || (CHIPSET == 15))
+    // init = 1 --> write ctrl register
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_init = (API) 0x0001;
+    // set SW_RESET field to 1 to generate a software reset
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_ctrl = (API) 0x0FFD;
+#endif
+}
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_stop_CPORT()                       */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : none                                     */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : Cport stop function                     */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_stop_CPORT(void)
+{
+#if (CHIPSET == 12) || (CHIPSET == 15)
+    // init = 1 --> write ctrl register
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_init = (API) 0x0001;
+    // Set EXT_MCLK_EN field to 1 to enable external clock
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_ctrl = (API) 0x0000;
+#endif
+}
+
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_config_CPORT()                     */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : none                                     */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : Cport config function                   */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_config_CPORT(void)
+{
+#if (CHIPSET == 12) || (CHIPSET == 15)
+    // init = 0x281F --> write cfr1,2,3,4 and ctrl register
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_init   = (API) 0x281F;
+    // 2 timeslots per frame, I2S mode
+    // 20 CLK_BIT cycles, 16 data bits per time slot
+    l1s_dsp_com.dsp_ndb_ptr->a_cport_cfr[0] = (API) 0x0C0B;
+    // one cycle delay, enable data serial output
+    // CSYNC signal generate with the negative edge of CSCLK
+    // clk direction set to input
+    // l1s_dsp_com.dsp_ndb_ptr->a_cport_cfr[1] = (API) 0xEB00;
+    l1s_dsp_com.dsp_ndb_ptr->a_cport_cfr[1] = (API) 0xFB00;    // L1_DSP-SPR-18866
+    // mask receive/transmit interrupt request
+    // Set threshold to 2 (nb of elements = 2)
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_ctrl   = (API) 0x012C;
+#endif
+}
+
+
+/*-------------------------------------------------------*/
+/* l1s_stereopath_drv_start_CPORT()                      */
+/*-------------------------------------------------------*/
+/*                                                       */
+/* Parameters : none                                     */
+/*                                                       */
+/* Return     : none                                     */
+/*                                                       */
+/* Description : Cport start function                    */
+/*                                                       */
+/*-------------------------------------------------------*/
+void l1s_stereopath_drv_start_CPORT(void)
+{
+#if (CHIPSET == 12) || (CHIPSET == 15)
+    // init = 0x20 --> write tcl_tadt register
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_init     = (API) 0x0020;
+    // CPEN = 1 --> cport enable
+    l1s_dsp_com.dsp_ndb_ptr->d_cport_tcl_tadt = (API) 0x0800;
+#endif
+}
+
+#endif // L1_STEREOPATH && CODE_VERSION
+
+#endif // AUDIO_TASK