Telephony: Add TD-SCDMA SignalStrength

Bug: 22639018
Change-Id: I0381e18fb65807c88290df1f2333b2636f0b0c18

2 files changed, 102 insertions, 8 deletions

diff --git a/telephony/java/android/telephony/ServiceState.java b/telephony/java/android/telephony/ServiceState.java
index 80515cf..1337487 100644
--- a/telephony/java/android/telephony/ServiceState.java
+++ b/telephony/java/android/telephony/ServiceState.java
@@ -731,6 +731,9 @@ public class ServiceState implements Parcelable {
             case RIL_RADIO_TECHNOLOGY_IWLAN:
                 rtString = "IWLAN";
                 break;
+            case RIL_RADIO_TECHNOLOGY_TD_SCDMA:
+                rtString = "TD-SCDMA";
+                break;
             default:
                 rtString = "Unexpected";
                 Rlog.w(LOG_TAG, "Unexpected radioTechnology=" + rt);
@@ -1068,6 +1071,8 @@ public class ServiceState implements Parcelable {
             return TelephonyManager.NETWORK_TYPE_HSPAP;
         case ServiceState.RIL_RADIO_TECHNOLOGY_GSM:
             return TelephonyManager.NETWORK_TYPE_GSM;
+        case ServiceState.RIL_RADIO_TECHNOLOGY_TD_SCDMA:
+            return TelephonyManager.NETWORK_TYPE_TD_SCDMA;
         case ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN:
             return TelephonyManager.NETWORK_TYPE_IWLAN;
         default:
diff --git a/telephony/java/android/telephony/SignalStrength.java b/telephony/java/android/telephony/SignalStrength.java
index f02d109..f535e5d 100644
--- a/telephony/java/android/telephony/SignalStrength.java
+++ b/telephony/java/android/telephony/SignalStrength.java
@@ -68,6 +68,7 @@ public class SignalStrength implements Parcelable {
     private int mLteRsrq;
     private int mLteRssnr;
     private int mLteCqi;
+    private int mTdScdmaRscp;
 
     private boolean isGsm; // This value is set by the ServiceStateTracker onSignalStrengthResult
 
@@ -107,6 +108,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = INVALID;
         mLteRssnr = INVALID;
         mLteCqi = INVALID;
+        mTdScdmaRscp = INVALID;
         isGsm = true;
     }
 
@@ -131,6 +133,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = INVALID;
         mLteRssnr = INVALID;
         mLteCqi = INVALID;
+        mTdScdmaRscp = INVALID;
         isGsm = gsmFlag;
     }
 
@@ -143,6 +146,22 @@ public class SignalStrength implements Parcelable {
             int cdmaDbm, int cdmaEcio,
             int evdoDbm, int evdoEcio, int evdoSnr,
             int lteSignalStrength, int lteRsrp, int lteRsrq, int lteRssnr, int lteCqi,
+            int tdScdmaRscp, boolean gsmFlag) {
+        initialize(gsmSignalStrength, gsmBitErrorRate, cdmaDbm, cdmaEcio,
+                evdoDbm, evdoEcio, evdoSnr, lteSignalStrength, lteRsrp,
+                lteRsrq, lteRssnr, lteCqi, gsmFlag);
+        mTdScdmaRscp = tdScdmaRscp;
+    }
+
+    /**
+     * Constructor
+     *
+     * @hide
+     */
+    public SignalStrength(int gsmSignalStrength, int gsmBitErrorRate,
+            int cdmaDbm, int cdmaEcio,
+            int evdoDbm, int evdoEcio, int evdoSnr,
+            int lteSignalStrength, int lteRsrp, int lteRsrq, int lteRssnr, int lteCqi,
             boolean gsmFlag) {
         initialize(gsmSignalStrength, gsmBitErrorRate, cdmaDbm, cdmaEcio,
                 evdoDbm, evdoEcio, evdoSnr, lteSignalStrength, lteRsrp,
@@ -233,6 +252,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = lteRsrq;
         mLteRssnr = lteRssnr;
         mLteCqi = lteCqi;
+        mTdScdmaRscp = INVALID;
         isGsm = gsm;
         if (DBG) log("initialize: " + toString());
     }
@@ -253,6 +273,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = s.mLteRsrq;
         mLteRssnr = s.mLteRssnr;
         mLteCqi = s.mLteCqi;
+        mTdScdmaRscp = s.mTdScdmaRscp;
         isGsm = s.isGsm;
     }
 
@@ -276,6 +297,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = in.readInt();
         mLteRssnr = in.readInt();
         mLteCqi = in.readInt();
+        mTdScdmaRscp = in.readInt();
         isGsm = (in.readInt() != 0);
     }
 
@@ -302,7 +324,7 @@ public class SignalStrength implements Parcelable {
         ss.mLteRsrq = in.readInt();
         ss.mLteRssnr = in.readInt();
         ss.mLteCqi = in.readInt();
-
+        ss.mTdScdmaRscp = in.readInt();
         return ss;
     }
 
@@ -322,6 +344,7 @@ public class SignalStrength implements Parcelable {
         out.writeInt(mLteRsrq);
         out.writeInt(mLteRssnr);
         out.writeInt(mLteCqi);
+        out.writeInt(mTdScdmaRscp);
         out.writeInt(isGsm ? 1 : 0);
     }
 
@@ -377,6 +400,9 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = ((mLteRsrq >= 3) && (mLteRsrq <= 20)) ? -mLteRsrq : SignalStrength.INVALID;
         mLteRssnr = ((mLteRssnr >= -200) && (mLteRssnr <= 300)) ? mLteRssnr
                 : SignalStrength.INVALID;
+
+        mTdScdmaRscp = ((mTdScdmaRscp >= 25) && (mTdScdmaRscp <= 120))
+                ? -mTdScdmaRscp : SignalStrength.INVALID;
         // Cqi no change
         if (DBG) log("Signal after validate=" + this);
     }
@@ -477,12 +503,15 @@ public class SignalStrength implements Parcelable {
      *     while 4 represents a very strong signal strength.
      */
     public int getLevel() {
-        int level;
+        int level = 0;
 
         if (isGsm) {
             level = getLteLevel();
             if (level == SIGNAL_STRENGTH_NONE_OR_UNKNOWN) {
-                level = getGsmLevel();
+                level = getTdScdmaLevel();
+                if (level == SIGNAL_STRENGTH_NONE_OR_UNKNOWN) {
+                    level = getGsmLevel();
+                }
             }
         } else {
             int cdmaLevel = getCdmaLevel();
@@ -508,10 +537,14 @@ public class SignalStrength implements Parcelable {
      * @hide
      */
     public int getAsuLevel() {
-        int asuLevel;
+        int asuLevel = 0;
         if (isGsm) {
             if (getLteLevel() == SIGNAL_STRENGTH_NONE_OR_UNKNOWN) {
-                asuLevel = getGsmAsuLevel();
+                if (getTdScdmaLevel() == SIGNAL_STRENGTH_NONE_OR_UNKNOWN) {
+                    asuLevel = getGsmAsuLevel();
+                } else {
+                    asuLevel = getTdScdmaAsuLevel();
+                }
             } else {
                 asuLevel = getLteAsuLevel();
             }
@@ -539,12 +572,16 @@ public class SignalStrength implements Parcelable {
      * @hide
      */
     public int getDbm() {
-        int dBm;
+        int dBm = INVALID;
 
         if(isGsm()) {
             dBm = getLteDbm();
             if (dBm == INVALID) {
-                dBm = getGsmDbm();
+                if (getTdScdmaLevel() == SIGNAL_STRENGTH_NONE_OR_UNKNOWN) {
+                    dBm = getGsmDbm();
+                } else {
+                    dBm = getTdScdmaDbm();
+                }
             }
         } else {
             int cdmaDbm = getCdmaDbm();
@@ -849,6 +886,54 @@ public class SignalStrength implements Parcelable {
     }
 
     /**
+     * @return get TD_SCDMA dbm
+     *
+     * @hide
+     */
+    public int getTdScdmaDbm() {
+        return this.mTdScdmaRscp;
+    }
+
+    /**
+     * Get TD-SCDMA as level 0..4
+     * Range : 25 to 120
+     * INT_MAX: 0x7FFFFFFF denotes invalid value
+     * Reference: 3GPP TS 25.123, section 9.1.1.1
+     *
+     * @hide
+     */
+    public int getTdScdmaLevel() {
+        final int tdScdmaDbm = getTdScdmaDbm();
+        int level;
+
+        if ((tdScdmaDbm > -25) || (tdScdmaDbm == SignalStrength.INVALID))
+                level = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
+        else if (tdScdmaDbm >= -49) level = SIGNAL_STRENGTH_GREAT;
+        else if (tdScdmaDbm >= -73) level = SIGNAL_STRENGTH_GOOD;
+        else if (tdScdmaDbm >= -97) level = SIGNAL_STRENGTH_MODERATE;
+        else if (tdScdmaDbm >= -120) level = SIGNAL_STRENGTH_POOR;
+        else level = SIGNAL_STRENGTH_NONE_OR_UNKNOWN;
+
+        if (DBG) log("getTdScdmaLevel = " + level);
+        return level;
+     }
+
+    /**
+     * Get the TD-SCDMA signal level as an asu value.
+     *
+     * @hide
+     */
+    public int getTdScdmaAsuLevel() {
+        final int tdScdmaDbm = getTdScdmaDbm();
+        int tdScdmaAsuLevel;
+
+        if (tdScdmaDbm == INVALID) tdScdmaAsuLevel = 255;
+        else tdScdmaAsuLevel = tdScdmaDbm + 120;
+        if (DBG) log("TD-SCDMA Asu level: " + tdScdmaAsuLevel);
+        return tdScdmaAsuLevel;
+    }
+
+   /**
      * @return hash code
      */
     @Override
@@ -860,7 +945,7 @@ public class SignalStrength implements Parcelable {
                 + (mEvdoDbm * primeNum) + (mEvdoEcio * primeNum) + (mEvdoSnr * primeNum)
                 + (mLteSignalStrength * primeNum) + (mLteRsrp * primeNum)
                 + (mLteRsrq * primeNum) + (mLteRssnr * primeNum) + (mLteCqi * primeNum)
-                + (isGsm ? 1 : 0));
+                + (mTdScdmaRscp * primeNum) + (isGsm ? 1 : 0));
     }
 
     /**
@@ -892,6 +977,7 @@ public class SignalStrength implements Parcelable {
                 && mLteRsrq == s.mLteRsrq
                 && mLteRssnr == s.mLteRssnr
                 && mLteCqi == s.mLteCqi
+                && mTdScdmaRscp == s.mTdScdmaRscp
                 && isGsm == s.isGsm);
     }
 
@@ -913,6 +999,7 @@ public class SignalStrength implements Parcelable {
                 + " " + mLteRsrq
                 + " " + mLteRssnr
                 + " " + mLteCqi
+                + " " + mTdScdmaRscp
                 + " " + (isGsm ? "gsm|lte" : "cdma"));
     }
 
@@ -935,6 +1022,7 @@ public class SignalStrength implements Parcelable {
         mLteRsrq = m.getInt("LteRsrq");
         mLteRssnr = m.getInt("LteRssnr");
         mLteCqi = m.getInt("LteCqi");
+        mTdScdmaRscp = m.getInt("TdScdma");
         isGsm = m.getBoolean("isGsm");
     }
 
@@ -957,6 +1045,7 @@ public class SignalStrength implements Parcelable {
         m.putInt("LteRsrq", mLteRsrq);
         m.putInt("LteRssnr", mLteRssnr);
         m.putInt("LteCqi", mLteCqi);
+        m.putInt("TdScdma", mTdScdmaRscp);
         m.putBoolean("isGsm", Boolean.valueOf(isGsm));
     }