powerstats: introduce TpuDvfsStateResidencyDataProvider

Bug: 310094590
Test: vts-tradefed run vts -m VtsHalPowerStatsTargetTest
Change-Id: Ib09e12bbfd45611e6f98822435b43752d53d7bb0
Signed-off-by: Darren Hsu <darrenhsu@google.com>

powerstats/include/TpuDvfsStateResidencyDataProvider.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+#pragma once
+
+#include <PowerStatsAidl.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace power {
+namespace stats {
+
+class TpuDvfsStateResidencyDataProvider : public PowerStats::IStateResidencyDataProvider {
+  public:
+    TpuDvfsStateResidencyDataProvider(
+            const std::string& path, std::vector<std::string> frequencies, uint64_t clockRate);
+    ~TpuDvfsStateResidencyDataProvider() = default;
+
+    /*
+     * See IStateResidencyDataProvider::getStateResidencies
+     */
+    bool getStateResidencies(
+        std::unordered_map<std::string, std::vector<StateResidency>> *residencies) override;
+
+    /*
+     * See IStateResidencyDataProvider::getInfo
+     */
+    std::unordered_map<std::string, std::vector<State>> getInfo() override;
+
+  private:
+    const std::string mPath;
+    const std::vector<std::string> mFrequencies;
+    const uint64_t mClockRate;
+};
+
+}  // namespace stats
+}  // namespace power
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl