Brendan Szymanski
8b7cdd6f38
Install the HDMI CEC and HDMI connection APEX packages plus the android.hardware.hdmi.cec.xml feature file, set the playback-device CEC properties, and give system ownership of /dev/cec0 in ueventd. The connection HAL now reports a single HDMI output port and monitors /sys/class/drm/card0-HDMI-A-1/status with poll(), reporting hotplug transitions through the AIDL callback and shutting the monitor thread down through an eventfd. The CEC HAL now polls POLLPRI for CEC_DQEVENT and POLLIN for CEC_RECEIVE, guards the ioctl paths against an uninitialised adapter, and bounds message length by CEC_MAX_MSG_SIZE.
69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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* Copyright (C) 2025 KonstaKANG
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <aidl/android/hardware/tv/hdmi/connection/BnHdmiConnection.h>
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#include <aidl/android/hardware/tv/hdmi/connection/Result.h>
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#include <algorithm>
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#include <memory>
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#include <mutex>
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#include <thread>
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#include <vector>
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using namespace std;
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namespace android {
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namespace hardware {
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namespace tv {
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namespace hdmi {
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namespace connection {
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namespace implementation {
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using ::aidl::android::hardware::tv::hdmi::connection::BnHdmiConnection;
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using ::aidl::android::hardware::tv::hdmi::connection::HdmiPortInfo;
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using ::aidl::android::hardware::tv::hdmi::connection::HdmiPortType;
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using ::aidl::android::hardware::tv::hdmi::connection::HpdSignal;
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using ::aidl::android::hardware::tv::hdmi::connection::IHdmiConnection;
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using ::aidl::android::hardware::tv::hdmi::connection::IHdmiConnectionCallback;
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using ::aidl::android::hardware::tv::hdmi::connection::Result;
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struct HdmiConnection : public BnHdmiConnection {
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HdmiConnection();
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~HdmiConnection();
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::ndk::ScopedAStatus getPortInfo(std::vector<HdmiPortInfo>* _aidl_return) override;
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::ndk::ScopedAStatus isConnected(int32_t portId, bool* _aidl_return) override;
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::ndk::ScopedAStatus setCallback(
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const std::shared_ptr<IHdmiConnectionCallback>& callback) override;
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::ndk::ScopedAStatus setHpdSignal(HpdSignal signal, int32_t portId) override;
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::ndk::ScopedAStatus getHpdSignal(int32_t portId, HpdSignal* _aidl_return) override;
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private:
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void monitorLoop();
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void signalMonitorStop();
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std::vector<HdmiPortInfo> mPortInfos;
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std::vector<HpdSignal> mHpdSignal;
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std::mutex mCallbackMutex;
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std::shared_ptr<IHdmiConnectionCallback> mCallback;
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std::thread mMonitorThread;
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int mStopFd = -1;
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} // namespace implementation
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} // namespace connection
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} // namespace hdmi
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} // Namespace tv
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} // namespace hardware
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} // namespace android
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