qcom/fmradio/FmConfig.java - LeafOS-Project/android_vendor_qcom_opensource_fm-commonsys - Gitiles

 /*
  * Copyright (c) 2009-2011, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *    * Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *    * Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *    * Neither the name of The Linux Foundation nor
  *      the names of its contributors may be used to endorse or promote
  *      products derived from this software without specific prior written
  *      permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 package qcom.fmradio;

 import android.util.Log;
 import android.os.SystemProperties;
 import java.util.List;

 /**
  *
  * Class to be used when changing radio settings
  * @hide
  */
 public class FmConfig {

     /* V4l2 Controls */
      private static final int V4L2_CID_PRIVATE_BASE                   = 0x8000000;
      private static final int V4L2_CID_PRIVATE_TAVARUA_REGION         = V4L2_CID_PRIVATE_BASE + 7;
      private static final int V4L2_CID_PRIVATE_TAVARUA_EMPHASIS       = V4L2_CID_PRIVATE_BASE + 12;
      private static final int V4L2_CID_PRIVATE_TAVARUA_RDS_STD        = V4L2_CID_PRIVATE_BASE + 13;
      private static final int V4L2_CID_PRIVATE_TAVARUA_SPACING        = V4L2_CID_PRIVATE_BASE + 14;
      private static final int V4L2_CID_PRIVATE_TAVARUA_SRCH_ALGORITHM = V4L2_CID_PRIVATE_BASE + 0x2B;

      private static final int each_Spur_entry_size = 16;
      public static final int no_Of_Spurs_For_Entry = 3;

      private static final String TAG = "FmConfig";


     private int mRadioBand;
     /**
      * FM pre-emphasis/de-emphasis
      *
      * Possible Values:
      *
      * FmTransceiver.FM_DE_EMP75,
      * FmTransceiver.FM_DE_EMP50
      */
     private int mEmphasis;
     /**
      * Channel spacing
      *
      * Possible Values:
      *
      * FmTransceiver.FM_CHSPACE_200_KHZ,
      * FmTransceiver.FM_CHSPACE_100_KHZ,
      * FmTransceiver.FM_CHSPACE_50_KHZ
      */
     private int mChSpacing;
     /**
      * RDS standard type
      *
      * Possible Values:
      *
      * FmTransceiver.FM_RDS_STD_RBDS,
      * FmTransceiver.FM_RDS_STD_RDS,
      * FmTransceiver.FM_RDS_STD_NONE
      */
     private int mRdsStd;

     /**
      * FM Frequency Band Lower Limit in KHz
      */
     private int mBandLowerLimit;
     /**
      * FM Frequency Band Upper Limit in KHz
      */
     private int mBandUpperLimit;

     public static boolean fmSpurConfig(int fd) {
         SpurFileParser parser = new SpurFileParser();
         SpurTable t;
         int freq = 0, i = 0, j = 0;
         byte no_of_spur_freq = 0;
         int rotation_value = 0;
         int re;

         t = parser.GetSpurTable("/etc/fm/SpurTableFile.txt");
         List <Spur> list = t.GetSpurList();
         no_of_spur_freq = t.GetspurNoOfFreq();
         short [] buff = new short[2 + (no_of_spur_freq * each_Spur_entry_size)];
         buff[0] = t.GetMode();
         buff[1] = no_of_spur_freq;
         for(i = 0; i < no_of_spur_freq; i++) {
             List <Spur> spur = t.GetSpurList();
             freq = spur.get(i).getSpurFreq();
             buff[(i * each_Spur_entry_size) + 2] = (short)(freq & 0xff);
             buff[(i * each_Spur_entry_size) + 3] = (short)((freq >> 8) & 0xff);
             buff[(i * each_Spur_entry_size) + 4] = (short)((freq >> 16) & 0xff);
             buff[(i * each_Spur_entry_size) + 5] = spur.get(i).getNoOfSpursToTrack();
             List <SpurDetails> spurDetails =
                                 spur.get(i).getSpurDetailsList();
             for(j = 0; j < no_Of_Spurs_For_Entry; j++) {
                 rotation_value = spurDetails.get(j).getRotationValue();
                 buff[(j * 4) + 6 + (i * each_Spur_entry_size)]  =
                                         (short)(rotation_value & 0xff);
                 buff[(j * 4) + 7 + (i * each_Spur_entry_size)]  =
                                  (short)((rotation_value >> 8) & 0xff);
                 buff[(j * 4) + 8 + (i * each_Spur_entry_size)]  =
                                 (short)((rotation_value >> 16) & 0x0f);
                 buff[(j * 4) + 8 + (i * each_Spur_entry_size)] |=
                  (short)(spurDetails.get(j).getLsbOfIntegrationLength() << 4);
                 buff[(j * 4) + 8 + (i * each_Spur_entry_size)] |=
                       (short)(spurDetails.get(j).getFilterCoefficeint() << 5);
                 buff[(j * 4) + 8 + (i * each_Spur_entry_size)] |=
                     (short)(spurDetails.get(j).getIsEnableSpur() << 7);
                 buff[(j * 4) + 9 + (i * each_Spur_entry_size)]  =
                               (short)spurDetails.get(j).getSpurLevel();
             }
         }
         re = FmReceiverJNI.setSpurDataNative(fd, buff,
                         (2 + (no_of_spur_freq * each_Spur_entry_size)));
         if (re < 0)
             return false;
         return true;
     }

     public int getRadioBand(){
         return mRadioBand;
     }

     public void setRadioBand (int band){
         mRadioBand = band;
     }

     public int getEmphasis(){
         return mEmphasis;
     }

     public void setEmphasis (int emp){
         mEmphasis = emp;
     }

     public int getChSpacing (){
         return mChSpacing;
     }

     public void setChSpacing(int spacing) {
         mChSpacing = spacing;
     }

     public int getRdsStd () {
         return mRdsStd;
     }

     public void setRdsStd (int rdsStandard) {
         mRdsStd = rdsStandard;
     }

     public int getLowerLimit(){
         return mBandLowerLimit;
     }

     public void setLowerLimit(int lowLimit){
         mBandLowerLimit = lowLimit;
     }

     public int getUpperLimit(){
         return mBandUpperLimit;
     }

     public void setUpperLimit(int upLimit){
         mBandUpperLimit = upLimit;
     }

     /*
      * fmConfigure()
      * This method call v4l2 private controls to set regional settings for the
      * FM core
      */
     protected static boolean fmConfigure (final int fd, final FmConfig configSettings) {

         int re;

         Log.v (TAG, "In fmConfigure");
 	re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_EMPHASIS, configSettings.getEmphasis());
         re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_RDS_STD, configSettings.getRdsStd() );
         re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_SPACING, configSettings.getChSpacing() );

         boolean fmSrchAlg = SystemProperties.getBoolean("persist.fm.new.srch.algorithm",false);
         if (fmSrchAlg) {
           Log.v (TAG, "fmConfigure() : FM Srch Alg : NEW ");
           re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_SRCH_ALGORITHM, 1);
         }
         else {
           Log.v (TAG, "fmConfigure() : FM Srch Alg : OLD ");
           re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_SRCH_ALGORITHM, 0);
         }
         if (re < 0)
           return false;

         re = FmReceiverJNI.setBandNative (fd, configSettings.getLowerLimit(), configSettings.getUpperLimit());
         if (re < 0)
           return false;

         re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_REGION, configSettings.mRadioBand);
         /* setControlNative for V4L2_CID_PRIVATE_TAVARUA_REGION triggers the config change*/
         if (re < 0)
           return false;

         return true;
     }

 }
	/*
	* Copyright (c) 2009-2011, The Linux Foundation. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* * Neither the name of The Linux Foundation nor
	* the names of its contributors may be used to endorse or promote
	* products derived from this software without specific prior written
	* permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
	* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
	* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	package qcom.fmradio;

	import android.util.Log;
	import android.os.SystemProperties;
	import java.util.List;

	/**
	*
	* Class to be used when changing radio settings
	* @hide
	*/
	public class FmConfig {

	/* V4l2 Controls */
	private static final int V4L2_CID_PRIVATE_BASE = 0x8000000;
	private static final int V4L2_CID_PRIVATE_TAVARUA_REGION = V4L2_CID_PRIVATE_BASE + 7;
	private static final int V4L2_CID_PRIVATE_TAVARUA_EMPHASIS = V4L2_CID_PRIVATE_BASE + 12;
	private static final int V4L2_CID_PRIVATE_TAVARUA_RDS_STD = V4L2_CID_PRIVATE_BASE + 13;
	private static final int V4L2_CID_PRIVATE_TAVARUA_SPACING = V4L2_CID_PRIVATE_BASE + 14;
	private static final int V4L2_CID_PRIVATE_TAVARUA_SRCH_ALGORITHM = V4L2_CID_PRIVATE_BASE + 0x2B;

	private static final int each_Spur_entry_size = 16;
	public static final int no_Of_Spurs_For_Entry = 3;

	private static final String TAG = "FmConfig";



	private int mRadioBand;
	/**
	* FM pre-emphasis/de-emphasis
	*
	* Possible Values:
	*
	* FmTransceiver.FM_DE_EMP75,
	* FmTransceiver.FM_DE_EMP50
	*/
	private int mEmphasis;
	/**
	* Channel spacing
	*
	* Possible Values:
	*
	* FmTransceiver.FM_CHSPACE_200_KHZ,
	* FmTransceiver.FM_CHSPACE_100_KHZ,
	* FmTransceiver.FM_CHSPACE_50_KHZ
	*/
	private int mChSpacing;
	/**
	* RDS standard type
	*
	* Possible Values:
	*
	* FmTransceiver.FM_RDS_STD_RBDS,
	* FmTransceiver.FM_RDS_STD_RDS,
	* FmTransceiver.FM_RDS_STD_NONE
	*/
	private int mRdsStd;

	/**
	* FM Frequency Band Lower Limit in KHz
	*/
	private int mBandLowerLimit;
	/**
	* FM Frequency Band Upper Limit in KHz
	*/
	private int mBandUpperLimit;

	public static boolean fmSpurConfig(int fd) {
	SpurFileParser parser = new SpurFileParser();
	SpurTable t;
	int freq = 0, i = 0, j = 0;
	byte no_of_spur_freq = 0;
	int rotation_value = 0;
	int re;

	t = parser.GetSpurTable("/etc/fm/SpurTableFile.txt");
	List <Spur> list = t.GetSpurList();
	no_of_spur_freq = t.GetspurNoOfFreq();
	short [] buff = new short[2 + (no_of_spur_freq * each_Spur_entry_size)];
	buff[0] = t.GetMode();
	buff[1] = no_of_spur_freq;
	for(i = 0; i < no_of_spur_freq; i++) {
	List <Spur> spur = t.GetSpurList();
	freq = spur.get(i).getSpurFreq();
	buff[(i * each_Spur_entry_size) + 2] = (short)(freq & 0xff);
	buff[(i * each_Spur_entry_size) + 3] = (short)((freq >> 8) & 0xff);
	buff[(i * each_Spur_entry_size) + 4] = (short)((freq >> 16) & 0xff);
	buff[(i * each_Spur_entry_size) + 5] = spur.get(i).getNoOfSpursToTrack();
	List <SpurDetails> spurDetails =
	spur.get(i).getSpurDetailsList();
	for(j = 0; j < no_Of_Spurs_For_Entry; j++) {
	rotation_value = spurDetails.get(j).getRotationValue();
	buff[(j * 4) + 6 + (i * each_Spur_entry_size)] =
	(short)(rotation_value & 0xff);
	buff[(j * 4) + 7 + (i * each_Spur_entry_size)] =
	(short)((rotation_value >> 8) & 0xff);
	buff[(j * 4) + 8 + (i * each_Spur_entry_size)] =
	(short)((rotation_value >> 16) & 0x0f);
	buff[(j * 4) + 8 + (i * each_Spur_entry_size)] \|=
	(short)(spurDetails.get(j).getLsbOfIntegrationLength() << 4);
	buff[(j * 4) + 8 + (i * each_Spur_entry_size)] \|=
	(short)(spurDetails.get(j).getFilterCoefficeint() << 5);
	buff[(j * 4) + 8 + (i * each_Spur_entry_size)] \|=
	(short)(spurDetails.get(j).getIsEnableSpur() << 7);
	buff[(j * 4) + 9 + (i * each_Spur_entry_size)] =
	(short)spurDetails.get(j).getSpurLevel();
	}
	}
	re = FmReceiverJNI.setSpurDataNative(fd, buff,
	(2 + (no_of_spur_freq * each_Spur_entry_size)));
	if (re < 0)
	return false;
	return true;
	}

	public int getRadioBand(){
	return mRadioBand;
	}

	public void setRadioBand (int band){
	mRadioBand = band;
	}

	public int getEmphasis(){
	return mEmphasis;
	}

	public void setEmphasis (int emp){
	mEmphasis = emp;
	}

	public int getChSpacing (){
	return mChSpacing;
	}

	public void setChSpacing(int spacing) {
	mChSpacing = spacing;
	}

	public int getRdsStd () {
	return mRdsStd;
	}

	public void setRdsStd (int rdsStandard) {
	mRdsStd = rdsStandard;
	}

	public int getLowerLimit(){
	return mBandLowerLimit;
	}

	public void setLowerLimit(int lowLimit){
	mBandLowerLimit = lowLimit;
	}

	public int getUpperLimit(){
	return mBandUpperLimit;
	}

	public void setUpperLimit(int upLimit){
	mBandUpperLimit = upLimit;
	}

	/*
	* fmConfigure()
	* This method call v4l2 private controls to set regional settings for the
	* FM core
	*/
	protected static boolean fmConfigure (final int fd, final FmConfig configSettings) {

	int re;

	Log.v (TAG, "In fmConfigure");
	re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_EMPHASIS, configSettings.getEmphasis());
	re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_RDS_STD, configSettings.getRdsStd() );
	re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_SPACING, configSettings.getChSpacing() );

	boolean fmSrchAlg = SystemProperties.getBoolean("persist.fm.new.srch.algorithm",false);
	if (fmSrchAlg) {
	Log.v (TAG, "fmConfigure() : FM Srch Alg : NEW ");
	re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_SRCH_ALGORITHM, 1);
	}
	else {
	Log.v (TAG, "fmConfigure() : FM Srch Alg : OLD ");
	re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_SRCH_ALGORITHM, 0);
	}
	if (re < 0)
	return false;

	re = FmReceiverJNI.setBandNative (fd, configSettings.getLowerLimit(), configSettings.getUpperLimit());
	if (re < 0)
	return false;

	re = FmReceiverJNI.setControlNative (fd, V4L2_CID_PRIVATE_TAVARUA_REGION, configSettings.mRadioBand);
	/* setControlNative for V4L2_CID_PRIVATE_TAVARUA_REGION triggers the config change*/
	if (re < 0)
	return false;

	return true;
	}

	}