92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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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 <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 cec {
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namespace V1_0 {
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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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class HdmiCecDefault : public IHdmiCec, public hidl_death_recipient {
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public:
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HdmiCecDefault();
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~HdmiCecDefault();
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// Methods from ::android::hardware::tv::cec::V1_0::IHdmiCec follow.
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Return<Result> addLogicalAddress(CecLogicalAddress addr) override;
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Return<void> clearLogicalAddress() override;
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Return<void> getPhysicalAddress(getPhysicalAddress_cb _hidl_cb) override;
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Return<SendMessageResult> sendMessage(const CecMessage& message) override;
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Return<void> setCallback(const sp<IHdmiCecCallback>& callback) override;
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Return<int32_t> getCecVersion() override;
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Return<uint32_t> getVendorId() override;
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Return<void> getPortInfo(getPortInfo_cb _hidl_cb) override;
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Return<void> setOption(OptionKey key, bool value) override;
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Return<void> setLanguage(const hidl_string& language) override;
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Return<void> enableAudioReturnChannel(int32_t portId, bool enable) override;
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Return<bool> isConnected(int32_t portId) override;
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virtual void serviceDied(uint64_t, const wp<::android::hidl::base::V1_0::IBase>&) {
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setCallback(nullptr);
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}
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Return<Result> init();
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Return<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 Return<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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sp<IHdmiCecCallback> mCallback;
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};
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} // namespace implementation
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} // namespace V1_0
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} // namespace cec
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} // namespace tv
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} // namespace hardware
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} // namespace android
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