Switch DDS during MSIM emergency call

Add carrier config to force DDS switch if device
does not support SUPL on non DDS for emergency and
also does not support control plane fallback.

Test: atest FrameworksTelephonyTests
Merged-In: Ic49e126ae0abfe71edd1fe000c2a0dfd2360dece
Change-Id: Ic49e126ae0abfe71edd1fe000c2a0dfd2360dece
(cherry picked from commit c9654c1b57ee4f4296e784ce9e95b7de198a4357)

1 files changed, 63 insertions, 0 deletions

diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 77e35e1530bf..31cd60807570 100755
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -2649,6 +2649,68 @@ public class CarrierConfigManager {
     public static final String KEY_AUTO_CANCEL_CS_REJECT_NOTIFICATION =
             "carrier_auto_cancel_cs_notification";
 
+    /**
+     * GPS configs. See android.hardware.gnss@1.0 IGnssConfiguration.
+     * @hide
+     */
+    public static final class Gps {
+        /** Prefix of all Gps.KEY_* constants. */
+        public static final String KEY_PREFIX = "gps.";
+
+        /**
+         * Location information during (and after) an emergency call is only provided over control
+         * plane signaling from the network.
+         * @hide
+         */
+        public static final int SUPL_EMERGENCY_MODE_TYPE_CP_ONLY = 0;
+
+        /**
+         * Location information during (and after) an emergency call is provided over the data
+         * plane and serviced by the framework GNSS service, but if it fails, the carrier also
+         * supports control plane backup signaling.
+         * @hide
+         */
+        public static final int SUPL_EMERGENCY_MODE_TYPE_CP_FALLBACK = 1;
+
+        /**
+         * Location information during (and after) an emergency call is provided over the data plane
+         * and serviced by the framework GNSS service only. There is no backup signalling over the
+         * control plane if it fails.
+         * @hide
+         */
+        public static final int SUPL_EMERGENCY_MODE_TYPE_DP_ONLY = 2;
+
+        /**
+         * Control Plane / SUPL NI emergency extension time in seconds. Default to "0".
+         */
+        public static final String KEY_ES_EXTENSION_SEC_STRING = KEY_PREFIX + "es_extension_sec";
+
+        /**
+         * Determines whether or not SUPL ES mode supports a control-plane mechanism to get a user's
+         * location in the event that data plane SUPL fails or is otherwise unavailable.
+         * <p>
+         * An integer value determines the support type of this carrier. If this carrier only
+         * supports data plane SUPL ES, then the value will be
+         * {@link #SUPL_EMERGENCY_MODE_TYPE_DP_ONLY}. If the carrier supports control plane fallback
+         * for emergency SUPL, the value will be {@link #SUPL_EMERGENCY_MODE_TYPE_CP_FALLBACK}.
+         * If the carrier does not support data plane SUPL using the framework, the value will be
+         * {@link #SUPL_EMERGENCY_MODE_TYPE_CP_ONLY}.
+         * <p>
+         * The default value for this configuration is {@link #SUPL_EMERGENCY_MODE_TYPE_CP_ONLY}.
+         * @hide
+         */
+        public static final String KEY_ES_SUPL_CONTROL_PLANE_SUPPORT_INT = KEY_PREFIX
+                + "es_supl_control_plane_support_int";
+
+        private static PersistableBundle getDefaults() {
+            PersistableBundle defaults = new PersistableBundle();
+            defaults.putString(KEY_ES_EXTENSION_SEC_STRING, "0");
+            defaults.putInt(KEY_ES_SUPL_CONTROL_PLANE_SUPPORT_INT,
+                    SUPL_EMERGENCY_MODE_TYPE_CP_ONLY);
+            return defaults;
+        }
+    }
+
    /**
     * An int array containing CDMA enhanced roaming indicator values for Home (non-roaming) network.
     * The default values come from 3GPP2 C.R1001 table 8.1-1.
@@ -3133,6 +3195,7 @@ public class CarrierConfigManager {
         sDefaults.putLong(KEY_OPPORTUNISTIC_NETWORK_ENTRY_OR_EXIT_HYSTERESIS_TIME_LONG, 10000);
         /* Default value is 10 seconds. */
         sDefaults.putLong(KEY_OPPORTUNISTIC_NETWORK_DATA_SWITCH_HYSTERESIS_TIME_LONG, 10000);
+        sDefaults.putAll(Gps.getDefaults());
         sDefaults.putIntArray(KEY_CDMA_ENHANCED_ROAMING_INDICATOR_FOR_HOME_NETWORK_INT_ARRAY,
                 new int[] {
                         1 /* Roaming Indicator Off */