[Feature][Modem]Update MTK MODEM V1.6 baseline version: MOLY.NR15.R3.MD700.IVT.MP1MR3.MP.V1.6

MTK modem version: MT2735_IVT_MOLY.NR15.R3.MD700.IVT.MP1MR3.MP.V1.6.tar.gz
RF  modem version: NA

Change-Id: I45a4c2752fa9d1a618beacd5d40737fb39ab64fb
diff --git a/mcu/driver/audio/src/v1/extcodec.c b/mcu/driver/audio/src/v1/extcodec.c
new file mode 100644
index 0000000..5e7659f
--- /dev/null
+++ b/mcu/driver/audio/src/v1/extcodec.c
@@ -0,0 +1,325 @@
+/*****************************************************************************
+*  Copyright Statement:
+*  --------------------
+*  This software is protected by Copyright and the information contained
+*  herein is confidential. The software may not be copied and the information
+*  contained herein may not be used or disclosed except with the written
+*  permission of MediaTek Inc. (C) 2012
+*
+*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
+*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
+*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
+*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
+*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
+*
+*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
+*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
+*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
+*
+*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
+*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
+*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
+*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
+*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
+*
+*****************************************************************************/
+
+/*******************************************************************************
+ *
+ * Filename:
+ * ---------
+ * pcm4way.c
+ *
+ * Project:
+ * --------
+ *   MAUI
+ *
+ * Description:
+ * ------------
+ *   EXTCODEC interface 
+ *
+ * Author:
+ * -------
+ * -------
+ *
+ *==============================================================================
+ *             HISTORY
+ * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
+ *------------------------------------------------------------------------------
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+ *------------------------------------------------------------------------------
+ * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
+ *==============================================================================
+ *******************************************************************************/
+
+#include "kal_public_api.h"
+#include "kal_trace.h"
+#include "sync_data.h"
+#include "l1sp_trc.h"
+// #include "reg_base.h"
+#include "l1audio.h"
+#include "am.h"
+
+#include "media.h"
+#include "extcodec.h"
+#include "sal_def.h"
+#include "sal_exp.h"
+
+#include "sp_drv.h"
+#include "sp_enhance.h"
+
+
+#define ACLOOPBACK_FRAME_BUF_NO (64) // REMIND: should be pow of 2 
+#define ACLOOPBACK_NB_FRAME_SIZE   (160)
+//static uint16 gSpc_acLoopback_PCM_UL_BUF[ACLOOPBACK_NB_FRAME_SIZE];
+#if defined (__SMART_PHONE_MODEM__)	
+static uint16 gSpc_acLoopback_PCM_DL_BUF[ACLOOPBACK_FRAME_BUF_NO][ACLOOPBACK_NB_FRAME_SIZE];
+#endif // defined (__SMART_PHONE_MODEM__) 
+
+typedef struct _EXTCODEC_T_
+{
+	kal_uint8    pnwBufInfo; //ref to SPC_PNW_MSG_BUFFER_x
+	kal_uint8    pnwBand; //0: for narrow band, 1: for wide band
+	kal_uint32   micBufSize; // unit is byte (8bit)
+	kal_uint32   spkBufSize; // unit is byte (8bit)
+	kal_uint32   DL_tmp_w;
+	kal_uint32   DL_tmp_r;
+	kal_uint32   delay;
+	kal_uint32   running;
+	kal_spinlockid  extcodecspinLockID;
+}_EXTCODEC_T_;
+
+_EXTCODEC_T_ extcodec;
+
+
+uint16 Extcodec_writePatternToSpk(uint16 pattern)
+{
+	uint32 I;
+	uint16 bufLen = SAL_PcmEx_GetBufLen(SAL_PCMEX_EXTCOD_BUF_DL);
+	volatile uint16* ptr = SAL_PcmEx_GetBuf(SAL_PCMEX_EXTCOD_BUF_DL);
+	for( I = bufLen; I > 0; I-- ){
+		*ptr++ = pattern;
+	}
+	return bufLen;
+}
+
+void  Extcodec_Set_Delay(kal_uint32 delay)
+{
+   extcodec.delay = delay;
+}
+
+void  Extcodec_Call_Open()
+{
+#if defined (__SMART_PHONE_MODEM__)	
+	 int I;
+   kal_take_spinlock(extcodec.extcodecspinLockID, KAL_INFINITE_WAIT);
+   extcodec.running = 1;
+   kal_give_spinlock(extcodec.extcodecspinLockID);
+	 extcodec.DL_tmp_w = 0;
+	 extcodec.DL_tmp_r = 0;	 
+	 //extcodec.pnwBufInfo = (param & 0xf); // i.e.  param & (SPC_PNW_MSG_BUFFER_SE|SPC_PNW_MSG_BUFFER_SPK|SPC_PNW_MSG_BUFFER_MIC|SPC_PNW_MSG_BUFFER_SD)
+	 //ASSERT(extcodec.pnwBufInfo != 0);
+   
+	 extcodec.micBufSize = 0;
+	 extcodec.spkBufSize = 0;
+	 memset(gSpc_acLoopback_PCM_DL_BUF, 0, sizeof(uint16)*ACLOOPBACK_FRAME_BUF_NO*ACLOOPBACK_NB_FRAME_SIZE);
+   
+   ASSERT(SAL_PcmEx_CheckStateUL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_OFF) && SAL_PcmEx_CheckStateDL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_OFF));	 
+   SAL_PcmEx_SetStateUL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_ON);
+   SAL_PcmEx_SetStateDL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_ON);
+   for(I = 0; ;I ++){
+      kal_bool is_ready = true;
+      int test_return_DL, test_return_UL;
+	    test_return_DL = SAL_PcmEx_CheckStateDL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_RDY);
+	    test_return_UL = SAL_PcmEx_CheckStateUL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_RDY);
+	    kal_prompt_trace(MOD_L1SP,"extcodec check status");
+      if( !test_return_DL){
+         is_ready &= false;
+      }
+      
+      if( !test_return_UL){
+         is_ready &= false;
+      }
+      
+      if(is_ready){
+         break;
+      }
+      ASSERT(I < 40);  // wait 400ms
+      kal_sleep_task( AUD_1TICK(2) );
+   }
+#endif // defined (__SMART_PHONE_MODEM__)  
+}
+
+void  Extcodec_Call_Close()
+{
+#if defined (__SMART_PHONE_MODEM__)		
+   Sal_PCMEx_Config_t cfg;
+   kal_take_spinlock(extcodec.extcodecspinLockID, KAL_INFINITE_WAIT);
+   extcodec.running = 0;
+   kal_give_spinlock(extcodec.extcodecspinLockID);
+   memset(&cfg, 0, sizeof(Sal_PCMEx_Config_t));
+   /* the begining of configure the SAL */ 
+   ASSERT(SAL_PcmEx_CheckStateUL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_OFF) || SAL_PcmEx_CheckStateUL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_RDY));
+   ASSERT(SAL_PcmEx_CheckStateDL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_OFF) || SAL_PcmEx_CheckStateDL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_RDY));             
+   SAL_PcmEx_SetStateUL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_OFF);
+   SAL_PcmEx_SetStateDL(SAL_PCMEX_TYPE_EXT_COD, SAL_PCMEX_OFF);
+   cfg.swi = SAL_PCMEX_SWITCH_OFF;
+   cfg.type = SAL_PCMEX_TYPE_EXT_COD;
+   cfg.band = SAL_PCM_NARROWBAND;   
+   SAL_PcmEx_Config(&cfg);
+   Extcodec_writePatternToSpk(0);
+   
+   // clear buffer
+   extcodec.pnwBufInfo = 0;
+   extcodec.micBufSize = 0;
+   extcodec.spkBufSize = 0;
+#endif // defined (__SMART_PHONE_MODEM__)  
+}
+
+void Extcodec_Init()
+{
+   extcodec.extcodecspinLockID = kal_create_spinlock("EXTCODEC_LOCK");
+}
+uint16 Extcodec_GetFromMic(uint16 *toBuf)
+{
+   uint32 I;
+	 uint16 bufLen = SAL_PcmEx_GetBufLen(SAL_PCMEX_EXTCOD_BUF_UL);
+   volatile uint16* ptr = SAL_PcmEx_GetBuf(SAL_PCMEX_EXTCOD_BUF_UL);
+   if( SP_IsMicMute() ){
+      for( I = bufLen; I > 0; I-- ){
+         *toBuf++ = 0;
+      }
+   } else {
+      for( I = bufLen; I > 0; I-- ){
+          *toBuf++ = *ptr++;
+      }
+   }
+	 return bufLen;
+}
+
+uint16 Extcodec_PutToSpk(const uint16 *fromBuf)
+{
+   uint32 I;
+	 uint16 bufLen = SAL_PcmEx_GetBufLen(SAL_PCMEX_EXTCOD_BUF_DL);
+   volatile uint16* ptr = SAL_PcmEx_GetBuf(SAL_PCMEX_EXTCOD_BUF_DL);
+   for( I = bufLen; I > 0; I-- ){
+      *ptr++ = *fromBuf++;
+   }
+	 return bufLen;
+}
+
+void Extcodec_hisr_dl_loopback(void *data)
+{
+#if defined (__SMART_PHONE_MODEM__)
+    MD_TRC_SPC_AC_LOOPBACK_HISR_DL();
+    kal_take_spinlock(extcodec.extcodecspinLockID, KAL_INFINITE_WAIT);
+    if(extcodec.running == 0)
+    {
+        kal_give_spinlock(extcodec.extcodecspinLockID);
+        MD_TRC_SPC_AC_LOOPBACK_HISR_SKIP();
+        return;
+    }
+
+    if(extcodec.DL_tmp_w > extcodec.DL_tmp_r &&(extcodec.DL_tmp_w - extcodec.DL_tmp_r) >= extcodec.delay)
+    {
+        extcodec.spkBufSize = Extcodec_PutToSpk(gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_r & (ACLOOPBACK_FRAME_BUF_NO - 1)]);
+        (extcodec.DL_tmp_r)++;
+        MD_TRC_SPC_AC_LOOPBACK_TO_SPK(
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_r & (ACLOOPBACK_FRAME_BUF_NO - 1)][0],
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_r & (ACLOOPBACK_FRAME_BUF_NO - 1)][1],
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_r & (ACLOOPBACK_FRAME_BUF_NO - 1)][2],
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_r & (ACLOOPBACK_FRAME_BUF_NO - 1)][3]);
+    } else {
+		Extcodec_writePatternToSpk(0);
+	}
+    kal_give_spinlock(extcodec.extcodecspinLockID);
+#endif // defined (__SMART_PHONE_MODEM__)   
+}
+
+void Extcodec_hisr_ul_loopback(void *data)
+{
+#if defined (__SMART_PHONE_MODEM__)
+    MD_TRC_SPC_AC_LOOPBACK_HISR_UL();
+    kal_take_spinlock(extcodec.extcodecspinLockID, KAL_INFINITE_WAIT);
+    if(extcodec.running == 0)
+    {
+        kal_give_spinlock(extcodec.extcodecspinLockID);
+        MD_TRC_SPC_AC_LOOPBACK_HISR_SKIP();
+        return;
+    }
+
+    if((extcodec.DL_tmp_w - extcodec.DL_tmp_r) <= extcodec.delay)
+    {
+        extcodec.micBufSize = Extcodec_GetFromMic((uint16*)gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_w & (ACLOOPBACK_FRAME_BUF_NO - 1)]);
+        (extcodec.DL_tmp_w)++;
+        MD_TRC_SPC_AC_LOOPBACK_FROM_SD(
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_w & (ACLOOPBACK_FRAME_BUF_NO - 1)][0],
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_w & (ACLOOPBACK_FRAME_BUF_NO - 1)][1],
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_w & (ACLOOPBACK_FRAME_BUF_NO - 1)][2],
+                gSpc_acLoopback_PCM_DL_BUF[extcodec.DL_tmp_w & (ACLOOPBACK_FRAME_BUF_NO - 1)][3]);
+    }
+    kal_give_spinlock(extcodec.extcodecspinLockID);
+#endif // defined (__SMART_PHONE_MODEM__)
+}
+
+