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/*
* Copyright (C) 2016 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 ANDROID_HARDWARE_TV_CEC_V1_0_HDMICEC_H
#define ANDROID_HARDWARE_TV_CEC_V1_0_HDMICEC_H
#include <algorithm>
#include <android/hardware/tv/cec/1.0/IHdmiCec.h>
#include <hidl/Status.h>
#include <hardware/hardware.h>
#include <hardware/hdmi_cec.h>
#include <hidl/MQDescriptor.h>
namespace android {
namespace hardware {
namespace tv {
namespace cec {
namespace V1_0 {
namespace implementation {
using ::android::hardware::tv::cec::V1_0::CecLogicalAddress;
using ::android::hardware::tv::cec::V1_0::CecMessage;
using ::android::hardware::tv::cec::V1_0::MaxLength;
using ::android::hardware::tv::cec::V1_0::HdmiPortInfo;
using ::android::hardware::tv::cec::V1_0::IHdmiCec;
using ::android::hardware::tv::cec::V1_0::IHdmiCecCallback;
using ::android::hardware::tv::cec::V1_0::OptionKey;
using ::android::hardware::tv::cec::V1_0::Result;
using ::android::hardware::tv::cec::V1_0::SendMessageResult;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::hardware::hidl_string;
using ::android::sp;
struct HdmiCec : public IHdmiCec, public hidl_death_recipient {
HdmiCec(hdmi_cec_device_t* device);
// Methods from ::android::hardware::tv::cec::V1_0::IHdmiCec follow.
Return<Result> addLogicalAddress(CecLogicalAddress addr) override;
Return<void> clearLogicalAddress() override;
Return<void> getPhysicalAddress(getPhysicalAddress_cb _hidl_cb) override;
Return<SendMessageResult> sendMessage(const CecMessage& message) override;
Return<void> setCallback(const sp<IHdmiCecCallback>& callback) override;
Return<int32_t> getCecVersion() override;
Return<uint32_t> getVendorId() override;
Return<void> getPortInfo(getPortInfo_cb _hidl_cb) override;
Return<void> setOption(OptionKey key, bool value) override;
Return<void> setLanguage(const hidl_string& language) override;
Return<void> enableAudioReturnChannel(int32_t portId, bool enable) override;
Return<bool> isConnected(int32_t portId) override;
static void eventCallback(const hdmi_event_t* event, void* /* arg */) {
if (mCallback != nullptr && event != nullptr) {
if (event->type == HDMI_EVENT_CEC_MESSAGE) {
size_t length = std::min(event->cec.length,
static_cast<size_t>(MaxLength::MESSAGE_BODY));
CecMessage cecMessage {
.initiator = static_cast<CecLogicalAddress>(event->cec.initiator),
.destination = static_cast<CecLogicalAddress>(event->cec.destination),
};
cecMessage.body.resize(length);
for (size_t i = 0; i < length; ++i) {
cecMessage.body[i] = static_cast<uint8_t>(event->cec.body[i]);
}
mCallback->onCecMessage(cecMessage);
} else if (event->type == HDMI_EVENT_HOT_PLUG) {
HotplugEvent hotplugEvent {
.connected = event->hotplug.connected > 0,
.portId = static_cast<uint32_t>(event->hotplug.port_id)
};
mCallback->onHotplugEvent(hotplugEvent);
}
}
}
virtual void serviceDied(uint64_t /*cookie*/,
const wp<::android::hidl::base::V1_0::IBase>& /*who*/) {
setCallback(nullptr);
}
private:
static sp<IHdmiCecCallback> mCallback;
const hdmi_cec_device_t* mDevice;
};
extern "C" IHdmiCec* HIDL_FETCH_IHdmiCec(const char* name);
} // namespace implementation
} // namespace V1_0
} // namespace cec
} // namespace tv
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_TV_CEC_V1_0_HDMICEC_H