Add GNSS HAL v3.0 (hardware/interfaces)
Bug: 158518085
Test: atest VtsHalGnssV3_0TargetTest
atest VtsHalGnssV2_1TargetTest
atest VtsHalGnssV2_0TargetTest
atest VtsHalGnssV1_1TargetTest
atest VtsHalGnssV1_0TargetTest
Change-Id: Id4ac1e31207da7cfff3f1885c84748785bec19ba
diff --git a/gnss/3.0/IGnssPsdsCallback.hal b/gnss/3.0/IGnssPsdsCallback.hal
new file mode 100644
index 0000000..d91385f
--- /dev/null
+++ b/gnss/3.0/IGnssPsdsCallback.hal
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.gnss@3.0;
+
+import @1.0::IGnssXtraCallback;
+
+/**
+ * This interface is used by the GNSS HAL to request download data from Predicted Satellite Data
+ * Service (PSDS).
+ */
+interface IGnssPsdsCallback extends @1.0::IGnssXtraCallback {
+ /**
+ * Callback to request the client to download PSDS data. The client should
+ * download PSDS data and inject it by calling injectPsdsData().
+ *
+ * psdsType represents the type of PSDS data requested.
+ * - Value 1 represents the Long-Term type PSDS data, which lasts for many hours to several days
+ * and often provides satellite orbit and clock accuracy of 2 - 20 meters.
+ * - Value 2 represents the Normal type PSDS data, which is similar to broadcast ephemeris in
+ * longevity - lasting for hours and providings satellite orbit and clock accuracy of 1 - 2
+ * meters.
+ * - Value 3 represents the Real-Time type PSDS data, which lasts for minutes and provides brief
+ * satellite status information such as temporary malfunction, but does not include satellite
+ * orbit or clock information.
+ */
+ downloadRequestCb_3_0(int32_t psdsType);
+};