Add power control manager for tinysys
Bug: 252874047
Test: compilation and linking
Change-Id: Id48326001ba28b3e77929da208fa441cba627392
diff --git a/platform/tinysys/include/chre/target_platform/power_control_manager_base.h b/platform/tinysys/include/chre/target_platform/power_control_manager_base.h
new file mode 100644
index 0000000..3654597
--- /dev/null
+++ b/platform/tinysys/include/chre/target_platform/power_control_manager_base.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#ifndef CHRE_PLATFORM_TINYSYS_POWER_CONTROL_MANAGER_BASE_H
+#define CHRE_PLATFORM_TINYSYS_POWER_CONTROL_MANAGER_BASE_H
+
+#include <cstddef>
+#include "chre/platform/atomic.h"
+
+namespace chre {
+
+class PowerControlManagerBase {
+ /**
+ * Updates internal wake/suspend flag and pushes awake/sleep notification
+ * to nanoapps that are listening for it.
+ *
+ * @param awake true if host is awake, otherwise suspended.
+ */
+ void onHostWakeSuspendEvent(bool awake);
+
+ protected:
+ /** True if the host is awake, false otherwise. */
+ AtomicBool mHostIsAwake = true;
+};
+
+} // namespace chre
+
+#endif // CHRE_PLATFORM_TINYSYS_POWER_CONTROL_MANAGER_BASE_H
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diff --git a/platform/tinysys/power_control_manager.cc b/platform/tinysys/power_control_manager.cc
new file mode 100644
index 0000000..53864f4
--- /dev/null
+++ b/platform/tinysys/power_control_manager.cc
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+#include <stdint.h>
+
+#include "chre/core/event_loop_manager.h"
+#include "chre/platform/power_control_manager.h"
+#include "sensorhub/comm/host_suspend.h"
+
+namespace chre {
+
+void PowerControlManagerBase::onHostWakeSuspendEvent(bool awake) {
+ if (mHostIsAwake != awake) {
+ mHostIsAwake = awake;
+ if (!awake) {
+ EventLoopManagerSingleton::get()
+ ->getHostCommsManager()
+ .resetBlameForNanoappHostWakeup();
+ }
+#ifdef CHRE_USE_BUFFERED_LOGGING
+ if (awake) {
+ LogBufferManagerSingleton::get()->flushLogs();
+ }
+#endif
+ EventLoopManagerSingleton::get()->getEventLoop().postEventOrDie(
+ awake ? CHRE_EVENT_HOST_AWAKE : CHRE_EVENT_HOST_ASLEEP,
+ /* eventData= */ nullptr, /* freeCallback= */ nullptr);
+ }
+}
+
+void PowerControlManager::preEventLoopProcess(size_t /* numPendingEvents */) {}
+
+void PowerControlManager::postEventLoopProcess(size_t /* numPendingEvents */) {}
+
+bool PowerControlManager::hostIsAwake() {
+ return !host_suspended();
+}
+
+} // namespace chre
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