101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
/*
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* Copyright (C) 2021 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/cec/BnHdmiCec.h>
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#include <hardware/hdmi_cec.h>
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#include <linux/cec.h>
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#include <thread>
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#include <vector>
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#include "HdmiCecPort.h"
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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 cec {
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namespace implementation {
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using std::shared_ptr;
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using std::thread;
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using std::vector;
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using ::aidl::android::hardware::tv::hdmi::cec::BnHdmiCec;
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using ::aidl::android::hardware::tv::hdmi::cec::CecLogicalAddress;
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using ::aidl::android::hardware::tv::hdmi::cec::CecMessage;
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using ::aidl::android::hardware::tv::hdmi::cec::IHdmiCec;
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using ::aidl::android::hardware::tv::hdmi::cec::IHdmiCecCallback;
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using ::aidl::android::hardware::tv::hdmi::cec::Result;
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using ::aidl::android::hardware::tv::hdmi::cec::SendMessageResult;
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struct HdmiCec : public BnHdmiCec {
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public:
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HdmiCec();
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~HdmiCec();
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::ndk::ScopedAStatus addLogicalAddress(CecLogicalAddress addr, Result* _aidl_return) override;
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::ndk::ScopedAStatus clearLogicalAddress() override;
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::ndk::ScopedAStatus enableAudioReturnChannel(int32_t portId, bool enable) override;
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::ndk::ScopedAStatus getCecVersion(int32_t* _aidl_return) override;
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::ndk::ScopedAStatus getPhysicalAddress(int32_t* _aidl_return) override;
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::ndk::ScopedAStatus getVendorId(int32_t* _aidl_return) override;
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::ndk::ScopedAStatus sendMessage(const CecMessage& message,
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SendMessageResult* _aidl_return) override;
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::ndk::ScopedAStatus setCallback(const std::shared_ptr<IHdmiCecCallback>& callback) override;
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::ndk::ScopedAStatus setLanguage(const std::string& language) override;
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::ndk::ScopedAStatus enableWakeupByOtp(bool value) override;
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::ndk::ScopedAStatus enableCec(bool value) override;
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::ndk::ScopedAStatus enableSystemCecControl(bool value) override;
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Result init();
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void release();
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private:
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void event_thread(HdmiCecPort* hdmiCecPort);
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static int getOpcode(cec_msg message);
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static int getFirstParam(cec_msg message);
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static bool isWakeupMessage(cec_msg message);
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static bool isTransferableInSleep(cec_msg message);
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static bool isPowerUICommand(cec_msg message);
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static SendMessageResult getSendMessageResult(int tx_status);
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vector<thread> mEventThreads;
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vector<shared_ptr<HdmiCecPort>> mHdmiCecPorts;
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// When set to false, all the CEC commands are discarded. True by default after initialization.
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bool mCecEnabled;
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/*
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* When set to false, HAL does not wake up the system upon receiving <Image View On> or
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* <Text View On>. True by default after initialization.
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*/
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bool mWakeupEnabled;
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/*
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* Updated when system goes into or comes out of standby mode.
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* When set to true, Android system is handling CEC commands.
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* When set to false, microprocessor is handling CEC commands.
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* True by default after initialization.
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*/
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bool mCecControlEnabled;
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std::shared_ptr<IHdmiCecCallback> mCallback;
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};
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} // namespace implementation
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} // namespace cec
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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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