hdmi_cec: Add HIDL definition and default implementation

Bug: 32073236
Test: make
Change-Id: I6f98bf0c523e31e2863a3c0379d7fda1ef51b0d6
diff --git a/tv/cec/1.0/default/HdmiCec.cpp b/tv/cec/1.0/default/HdmiCec.cpp
new file mode 100644
index 0000000..c4bae41
--- /dev/null
+++ b/tv/cec/1.0/default/HdmiCec.cpp
@@ -0,0 +1,415 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "android.hardware.tv.cec@1.0-impl"
+#include <android-base/logging.h>
+
+#include <hardware/hardware.h>
+#include <hardware/hdmi_cec.h>
+#include "HdmiCec.h"
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace cec {
+namespace V1_0 {
+namespace implementation {
+
+static_assert(CEC_DEVICE_INACTIVE == static_cast<int>(CecDeviceType::INACTIVE),
+        "CecDeviceType::INACTIVE must match legacy value.");
+static_assert(CEC_DEVICE_TV == static_cast<int>(CecDeviceType::TV),
+        "CecDeviceType::TV must match legacy value.");
+static_assert(CEC_DEVICE_RECORDER == static_cast<int>(CecDeviceType::RECORDER),
+        "CecDeviceType::RECORDER must match legacy value.");
+static_assert(CEC_DEVICE_TUNER == static_cast<int>(CecDeviceType::TUNER),
+        "CecDeviceType::TUNER must match legacy value.");
+static_assert(CEC_DEVICE_PLAYBACK == static_cast<int>(CecDeviceType::PLAYBACK),
+        "CecDeviceType::PLAYBACK must match legacy value.");
+static_assert(CEC_DEVICE_AUDIO_SYSTEM == static_cast<int>(CecDeviceType::AUDIO_SYSTEM),
+        "CecDeviceType::AUDIO_SYSTEM must match legacy value.");
+static_assert(CEC_DEVICE_MAX == static_cast<int>(CecDeviceType::MAX),
+        "CecDeviceType::MAX must match legacy value.");
+
+static_assert(CEC_ADDR_TV == static_cast<int>(CecLogicalAddress::TV),
+        "CecLogicalAddress::TV must match legacy value.");
+static_assert(CEC_ADDR_RECORDER_1 == static_cast<int>(CecLogicalAddress::RECORDER_1),
+        "CecLogicalAddress::RECORDER_1 must match legacy value.");
+static_assert(CEC_ADDR_RECORDER_2 == static_cast<int>(CecLogicalAddress::RECORDER_2),
+        "CecLogicalAddress::RECORDER_2 must match legacy value.");
+static_assert(CEC_ADDR_TUNER_1 == static_cast<int>(CecLogicalAddress::TUNER_1),
+        "CecLogicalAddress::TUNER_1 must match legacy value.");
+static_assert(CEC_ADDR_PLAYBACK_1 == static_cast<int>(CecLogicalAddress::PLAYBACK_1),
+        "CecLogicalAddress::PLAYBACK_1 must match legacy value.");
+static_assert(CEC_ADDR_AUDIO_SYSTEM == static_cast<int>(CecLogicalAddress::AUDIO_SYSTEM),
+        "CecLogicalAddress::AUDIO_SYSTEM must match legacy value.");
+static_assert(CEC_ADDR_TUNER_2 == static_cast<int>(CecLogicalAddress::TUNER_2),
+        "CecLogicalAddress::TUNER_2 must match legacy value.");
+static_assert(CEC_ADDR_TUNER_3 == static_cast<int>(CecLogicalAddress::TUNER_3),
+        "CecLogicalAddress::TUNER_3 must match legacy value.");
+static_assert(CEC_ADDR_PLAYBACK_2 == static_cast<int>(CecLogicalAddress::PLAYBACK_2),
+        "CecLogicalAddress::PLAYBACK_2 must match legacy value.");
+static_assert(CEC_ADDR_RECORDER_3 == static_cast<int>(CecLogicalAddress::RECORDER_3),
+        "CecLogicalAddress::RECORDER_3 must match legacy value.");
+static_assert(CEC_ADDR_TUNER_4 == static_cast<int>(CecLogicalAddress::TUNER_4),
+        "CecLogicalAddress::TUNER_4 must match legacy value.");
+static_assert(CEC_ADDR_PLAYBACK_3 == static_cast<int>(CecLogicalAddress::PLAYBACK_3),
+        "CecLogicalAddress::PLAYBACK_3 must match legacy value.");
+static_assert(CEC_ADDR_FREE_USE == static_cast<int>(CecLogicalAddress::FREE_USE),
+        "CecLogicalAddress::FREE_USE must match legacy value.");
+static_assert(CEC_ADDR_UNREGISTERED == static_cast<int>(CecLogicalAddress::UNREGISTERED),
+        "CecLogicalAddress::UNREGISTERED must match legacy value.");
+static_assert(CEC_ADDR_BROADCAST == static_cast<int>(CecLogicalAddress::BROADCAST),
+        "CecLogicalAddress::BROADCAST must match legacy value.");
+
+static_assert(CEC_MESSAGE_FEATURE_ABORT == static_cast<int>(CecMessageType::FEATURE_ABORT),
+        "CecMessageType::FEATURE_ABORT must match legacy value.");
+static_assert(CEC_MESSAGE_IMAGE_VIEW_ON == static_cast<int>(CecMessageType::IMAGE_VIEW_ON),
+        "CecMessageType::IMAGE_VIEW_ON must match legacy value.");
+static_assert(CEC_MESSAGE_TUNER_STEP_INCREMENT == static_cast<int>(
+        CecMessageType::TUNER_STEP_INCREMENT),
+        "CecMessageType::TUNER_STEP_INCREMENT must match legacy value.");
+static_assert(CEC_MESSAGE_TUNER_STEP_DECREMENT == static_cast<int>(
+        CecMessageType::TUNER_STEP_DECREMENT),
+        "CecMessageType::TUNER_STEP_DECREMENT must match legacy value.");
+static_assert(CEC_MESSAGE_TUNER_DEVICE_STATUS == static_cast<int>(
+        CecMessageType::TUNER_DEVICE_STATUS),
+        "CecMessageType::TUNER_DEVICE_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_TUNER_DEVICE_STATUS == static_cast<int>(
+        CecMessageType::GIVE_TUNER_DEVICE_STATUS),
+        "CecMessageType::GIVE_TUNER_DEVICE_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_RECORD_ON == static_cast<int>(CecMessageType::RECORD_ON),
+        "CecMessageType::RECORD_ON must match legacy value.");
+static_assert(CEC_MESSAGE_RECORD_STATUS == static_cast<int>(CecMessageType::RECORD_STATUS),
+        "CecMessageType::RECORD_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_RECORD_OFF == static_cast<int>(CecMessageType::RECORD_OFF),
+        "CecMessageType::RECORD_OFF must match legacy value.");
+static_assert(CEC_MESSAGE_TEXT_VIEW_ON == static_cast<int>(CecMessageType::TEXT_VIEW_ON),
+        "CecMessageType::TEXT_VIEW_ON must match legacy value.");
+static_assert(CEC_MESSAGE_RECORD_TV_SCREEN == static_cast<int>(CecMessageType::RECORD_TV_SCREEN),
+        "CecMessageType::RECORD_TV_SCREEN must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_DECK_STATUS == static_cast<int>(CecMessageType::GIVE_DECK_STATUS),
+        "CecMessageType::GIVE_DECK_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_STANDBY == static_cast<int>(CecMessageType::STANDBY),
+        "CecMessageType::STANDBY must match legacy value.");
+static_assert(CEC_MESSAGE_PLAY == static_cast<int>(CecMessageType::PLAY),
+        "CecMessageType::PLAY must match legacy value.");
+static_assert(CEC_MESSAGE_DECK_CONTROL == static_cast<int>(CecMessageType::DECK_CONTROL),
+        "CecMessageType::DECK_CONTROL must match legacy value.");
+static_assert(CEC_MESSAGE_TIMER_CLEARED_STATUS == static_cast<int>(
+        CecMessageType::TIMER_CLEARED_STATUS),
+        "CecMessageType::TIMER_CLEARED_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_USER_CONTROL_PRESSED == static_cast<int>(
+        CecMessageType::USER_CONTROL_PRESSED),
+        "CecMessageType::USER_CONTROL_PRESSED must match legacy value.");
+static_assert(CEC_MESSAGE_USER_CONTROL_RELEASED == static_cast<int>(
+        CecMessageType::USER_CONTROL_RELEASED),
+        "CecMessageType::USER_CONTROL_RELEASED must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_OSD_NAME == static_cast<int>(CecMessageType::GIVE_OSD_NAME),
+        "CecMessageType::GIVE_OSD_NAME must match legacy value.");
+static_assert(CEC_MESSAGE_SET_OSD_NAME == static_cast<int>(CecMessageType::SET_OSD_NAME),
+        "CecMessageType::SET_OSD_NAME must match legacy value.");
+static_assert(CEC_MESSAGE_SYSTEM_AUDIO_MODE_REQUEST == static_cast<int>(
+        CecMessageType::SYSTEM_AUDIO_MODE_REQUEST),
+        "CecMessageType::SYSTEM_AUDIO_MODE_REQUEST must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_AUDIO_STATUS == static_cast<int>(CecMessageType::GIVE_AUDIO_STATUS),
+        "CecMessageType::GIVE_AUDIO_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_SET_SYSTEM_AUDIO_MODE == static_cast<int>(
+        CecMessageType::SET_SYSTEM_AUDIO_MODE),
+        "CecMessageType::SET_SYSTEM_AUDIO_MODE must match legacy value.");
+static_assert(CEC_MESSAGE_REPORT_AUDIO_STATUS == static_cast<int>(
+        CecMessageType::REPORT_AUDIO_STATUS),
+        "CecMessageType::REPORT_AUDIO_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_SYSTEM_AUDIO_MODE_STATUS == static_cast<int>(
+        CecMessageType::GIVE_SYSTEM_AUDIO_MODE_STATUS),
+        "CecMessageType::GIVE_SYSTEM_AUDIO_MODE_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_SYSTEM_AUDIO_MODE_STATUS == static_cast<int>(
+        CecMessageType::SYSTEM_AUDIO_MODE_STATUS),
+        "CecMessageType::SYSTEM_AUDIO_MODE_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_ROUTING_CHANGE == static_cast<int>(CecMessageType::ROUTING_CHANGE),
+        "CecMessageType::ROUTING_CHANGE must match legacy value.");
+static_assert(CEC_MESSAGE_ROUTING_INFORMATION == static_cast<int>(
+        CecMessageType::ROUTING_INFORMATION),
+        "CecMessageType::ROUTING_INFORMATION must match legacy value.");
+static_assert(CEC_MESSAGE_ACTIVE_SOURCE == static_cast<int>(CecMessageType::ACTIVE_SOURCE),
+        "CecMessageType::ACTIVE_SOURCE must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_PHYSICAL_ADDRESS == static_cast<int>(
+        CecMessageType::GIVE_PHYSICAL_ADDRESS),
+        "CecMessageType::GIVE_PHYSICAL_ADDRESS must match legacy value.");
+static_assert(CEC_MESSAGE_REPORT_PHYSICAL_ADDRESS == static_cast<int>(
+        CecMessageType::REPORT_PHYSICAL_ADDRESS),
+        "CecMessageType::REPORT_PHYSICAL_ADDRESS must match legacy value.");
+static_assert(CEC_MESSAGE_REQUEST_ACTIVE_SOURCE == static_cast<int>(
+        CecMessageType::REQUEST_ACTIVE_SOURCE),
+        "CecMessageType::REQUEST_ACTIVE_SOURCE must match legacy value.");
+static_assert(CEC_MESSAGE_SET_STREAM_PATH == static_cast<int>(CecMessageType::SET_STREAM_PATH),
+        "CecMessageType::SET_STREAM_PATH must match legacy value.");
+static_assert(CEC_MESSAGE_DEVICE_VENDOR_ID == static_cast<int>(CecMessageType::DEVICE_VENDOR_ID),
+        "CecMessageType::DEVICE_VENDOR_ID must match legacy value.");
+static_assert(CEC_MESSAGE_VENDOR_COMMAND == static_cast<int>(CecMessageType::VENDOR_COMMAND),
+        "CecMessageType::VENDOR_COMMAND must match legacy value.");
+static_assert(CEC_MESSAGE_VENDOR_REMOTE_BUTTON_DOWN == static_cast<int>(
+        CecMessageType::VENDOR_REMOTE_BUTTON_DOWN),
+        "CecMessageType::VENDOR_REMOTE_BUTTON_DOWN must match legacy value.");
+static_assert(CEC_MESSAGE_VENDOR_REMOTE_BUTTON_UP == static_cast<int>(
+        CecMessageType::VENDOR_REMOTE_BUTTON_UP),
+        "CecMessageType::VENDOR_REMOTE_BUTTON_UP must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_DEVICE_VENDOR_ID == static_cast<int>(
+        CecMessageType::GIVE_DEVICE_VENDOR_ID),
+        "CecMessageType::GIVE_DEVICE_VENDOR_ID must match legacy value.");
+static_assert(CEC_MESSAGE_MENU_REQUEST == static_cast<int>(CecMessageType::MENU_REQUEST),
+        "CecMessageType::MENU_REQUEST must match legacy value.");
+static_assert(CEC_MESSAGE_MENU_STATUS == static_cast<int>(CecMessageType::MENU_STATUS),
+        "CecMessageType::MENU_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_GIVE_DEVICE_POWER_STATUS == static_cast<int>(
+        CecMessageType::GIVE_DEVICE_POWER_STATUS),
+        "CecMessageType::GIVE_DEVICE_POWER_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_REPORT_POWER_STATUS == static_cast<int>(
+        CecMessageType::REPORT_POWER_STATUS),
+        "CecMessageType::REPORT_POWER_STATUS must match legacy value.");
+static_assert(CEC_MESSAGE_GET_MENU_LANGUAGE == static_cast<int>(CecMessageType::GET_MENU_LANGUAGE),
+        "CecMessageType::GET_MENU_LANGUAGE must match legacy value.");
+static_assert(CEC_MESSAGE_SELECT_ANALOG_SERVICE == static_cast<int>(
+        CecMessageType::SELECT_ANALOG_SERVICE),
+        "CecMessageType::SELECT_ANALOG_SERVICE must match legacy value.");
+static_assert(CEC_MESSAGE_SELECT_DIGITAL_SERVICE == static_cast<int>(
+        CecMessageType::SELECT_DIGITAL_SERVICE),
+        "CecMessageType::SELECT_DIGITAL_SERVICE must match legacy value.");
+static_assert(CEC_MESSAGE_SET_DIGITAL_TIMER == static_cast<int>(CecMessageType::SET_DIGITAL_TIMER),
+        "CecMessageType::SET_DIGITAL_TIMER must match legacy value.");
+static_assert(CEC_MESSAGE_CLEAR_DIGITAL_TIMER == static_cast<int>(
+        CecMessageType::CLEAR_DIGITAL_TIMER),
+        "CecMessageType::CLEAR_DIGITAL_TIMER must match legacy value.");
+static_assert(CEC_MESSAGE_SET_AUDIO_RATE == static_cast<int>(CecMessageType::SET_AUDIO_RATE),
+        "CecMessageType::SET_AUDIO_RATE must match legacy value.");
+static_assert(CEC_MESSAGE_INACTIVE_SOURCE == static_cast<int>(CecMessageType::INACTIVE_SOURCE),
+        "CecMessageType::INACTIVE_SOURCE must match legacy value.");
+static_assert(CEC_MESSAGE_CEC_VERSION == static_cast<int>(CecMessageType::CEC_VERSION),
+        "CecMessageType::CEC_VERSION must match legacy value.");
+static_assert(CEC_MESSAGE_GET_CEC_VERSION == static_cast<int>(CecMessageType::GET_CEC_VERSION),
+        "CecMessageType::GET_CEC_VERSION must match legacy value.");
+static_assert(CEC_MESSAGE_VENDOR_COMMAND_WITH_ID == static_cast<int>(
+        CecMessageType::VENDOR_COMMAND_WITH_ID),
+        "CecMessageType::VENDOR_COMMAND_WITH_ID must match legacy value.");
+static_assert(CEC_MESSAGE_CLEAR_EXTERNAL_TIMER == static_cast<int>(
+        CecMessageType::CLEAR_EXTERNAL_TIMER),
+        "CecMessageType::CLEAR_EXTERNAL_TIMER must match legacy value.");
+static_assert(CEC_MESSAGE_SET_EXTERNAL_TIMER == static_cast<int>(
+        CecMessageType::SET_EXTERNAL_TIMER),
+        "CecMessageType::SET_EXTERNAL_TIMER must match legacy value.");
+static_assert(CEC_MESSAGE_INITIATE_ARC == static_cast<int>(CecMessageType::INITIATE_ARC),
+        "CecMessageType::INITIATE_ARC must match legacy value.");
+static_assert(CEC_MESSAGE_REPORT_ARC_INITIATED == static_cast<int>(
+        CecMessageType::REPORT_ARC_INITIATED),
+        "CecMessageType::REPORT_ARC_INITIATED must match legacy value.");
+static_assert(CEC_MESSAGE_REPORT_ARC_TERMINATED == static_cast<int>(
+        CecMessageType::REPORT_ARC_TERMINATED),
+        "CecMessageType::REPORT_ARC_TERMINATED must match legacy value.");
+static_assert(CEC_MESSAGE_REQUEST_ARC_INITIATION == static_cast<int>(
+        CecMessageType::REQUEST_ARC_INITIATION),
+        "CecMessageType::REQUEST_ARC_INITIATION must match legacy value.");
+static_assert(CEC_MESSAGE_REQUEST_ARC_TERMINATION == static_cast<int>(
+        CecMessageType::REQUEST_ARC_TERMINATION),
+        "CecMessageType::REQUEST_ARC_TERMINATION must match legacy value.");
+static_assert(CEC_MESSAGE_TERMINATE_ARC == static_cast<int>(CecMessageType::TERMINATE_ARC),
+        "CecMessageType::TERMINATE_ARC must match legacy value.");
+static_assert(CEC_MESSAGE_ABORT == static_cast<int>(CecMessageType::ABORT),
+        "CecMessageType::ABORT must match legacy value.");
+
+static_assert(ABORT_UNRECOGNIZED_MODE == static_cast<int>(AbortReason::UNRECOGNIZED_MODE),
+        "AbortReason::UNRECOGNIZED_MODE must match legacy value.");
+static_assert(ABORT_NOT_IN_CORRECT_MODE == static_cast<int>(AbortReason::NOT_IN_CORRECT_MODE),
+        "AbortReason::NOT_IN_CORRECT_MODE must match legacy value.");
+static_assert(ABORT_CANNOT_PROVIDE_SOURCE == static_cast<int>(AbortReason::CANNOT_PROVIDE_SOURCE),
+        "AbortReason::CANNOT_PROVIDE_SOURCE must match legacy value.");
+static_assert(ABORT_INVALID_OPERAND == static_cast<int>(AbortReason::INVALID_OPERAND),
+        "AbortReason::INVALID_OPERAND must match legacy value.");
+static_assert(ABORT_REFUSED == static_cast<int>(AbortReason::REFUSED),
+        "AbortReason::REFUSED must match legacy value.");
+static_assert(ABORT_UNABLE_TO_DETERMINE == static_cast<int>(AbortReason::UNABLE_TO_DETERMINE),
+        "AbortReason::UNABLE_TO_DETERMINE must match legacy value.");
+
+static_assert(HDMI_RESULT_SUCCESS == static_cast<int>(SendMessageResult::SUCCESS),
+        "SendMessageResult::SUCCESS must match legacy value.");
+static_assert(HDMI_RESULT_NACK == static_cast<int>(SendMessageResult::NACK),
+        "SendMessageResult::NACK must match legacy value.");
+static_assert(HDMI_RESULT_BUSY == static_cast<int>(SendMessageResult::BUSY),
+        "SendMessageResult::BUSY must match legacy value.");
+static_assert(HDMI_RESULT_FAIL == static_cast<int>(SendMessageResult::FAIL),
+        "SendMessageResult::FAIL must match legacy value.");
+
+static_assert(HDMI_INPUT == static_cast<int>(HdmiPortType::INPUT),
+        "HdmiPortType::INPUT must match legacy value.");
+static_assert(HDMI_OUTPUT == static_cast<int>(HdmiPortType::OUTPUT),
+        "HdmiPortType::OUTPUT must match legacy value.");
+
+static_assert(HDMI_OPTION_WAKEUP == static_cast<int>(OptionKey::WAKEUP),
+        "OptionKey::WAKEUP must match legacy value.");
+static_assert(HDMI_OPTION_ENABLE_CEC == static_cast<int>(OptionKey::ENABLE_CEC),
+        "OptionKey::ENABLE_CEC must match legacy value.");
+static_assert(HDMI_OPTION_SYSTEM_CEC_CONTROL == static_cast<int>(OptionKey::SYSTEM_CEC_CONTROL),
+        "OptionKey::SYSTEM_CEC_CONTROL must match legacy value.");
+
+sp<IHdmiCecCallback> HdmiCec::mCallback = nullptr;
+
+HdmiCec::HdmiCec(hdmi_cec_device_t* device) : mDevice(device) {
+}
+
+// Methods from ::android::hardware::tv::cec::V1_0::IHdmiCec follow.
+Return<Result> HdmiCec::addLogicalAddress(CecLogicalAddress addr) {
+    int ret = mDevice->add_logical_address(mDevice, static_cast<cec_logical_address_t>(addr));
+    switch (ret) {
+        case 0:
+            return Result::SUCCESS;
+        case -EINVAL:
+            return Result::FAILURE_INVALID_ARGS;
+        case -ENOTSUP:
+            return Result::FAILURE_NOT_SUPPORTED;
+        case -EBUSY:
+            return Result::FAILURE_BUSY;
+        default:
+            return Result::FAILURE_UNKNOWN;
+    }
+}
+
+Return<void> HdmiCec::clearLogicalAddress() {
+    mDevice->clear_logical_address(mDevice);
+    return Void();
+}
+
+Return<void> HdmiCec::getPhysicalAddress(getPhysicalAddress_cb _hidl_cb) {
+    uint16_t addr;
+    int ret = mDevice->get_physical_address(mDevice, &addr);
+    switch (ret) {
+        case 0:
+            _hidl_cb(Result::SUCCESS, addr);
+            break;
+        case -EBADF:
+            _hidl_cb(Result::FAILURE_INVALID_STATE, addr);
+            break;
+        default:
+            _hidl_cb(Result::FAILURE_UNKNOWN, addr);
+            break;
+    }
+    return Void();
+}
+
+Return<SendMessageResult> HdmiCec::sendMessage(const CecMessage& message) {
+    cec_message_t legacyMessage {
+        .initiator = static_cast<cec_logical_address_t>(message.initiator),
+        .destination = static_cast<cec_logical_address_t>(message.destination),
+        .length = message.body.size(),
+    };
+    for (size_t i = 0; i < message.body.size(); ++i) {
+        legacyMessage.body[i] = static_cast<unsigned char>(message.body[i]);
+    }
+    return static_cast<SendMessageResult>(mDevice->send_message(mDevice, &legacyMessage));
+}
+
+Return<void> HdmiCec::setCallback(const sp<IHdmiCecCallback>& callback) {
+    mCallback = callback;
+    mDevice->register_event_callback(mDevice, eventCallback, nullptr);
+    return Void();
+}
+
+Return<int32_t> HdmiCec::getCecVersion() {
+    int version;
+    mDevice->get_version(mDevice, &version);
+    return static_cast<int32_t>(version);
+}
+
+Return<uint32_t> HdmiCec::getVendorId() {
+    uint32_t vendor_id;
+    mDevice->get_vendor_id(mDevice, &vendor_id);
+    return vendor_id;
+}
+
+Return<void> HdmiCec::getPortInfo(getPortInfo_cb _hidl_cb) {
+    struct hdmi_port_info* legacyPorts;
+    int numPorts;
+    hidl_vec<HdmiPortInfo> portInfos;
+    mDevice->get_port_info(mDevice, &legacyPorts, &numPorts);
+    portInfos.resize(numPorts);
+    for (int i = 0; i < numPorts; ++i) {
+        portInfos[i] = {
+            .type = static_cast<HdmiPortType>(legacyPorts[i].type),
+            .portId = static_cast<uint32_t>(legacyPorts[i].port_id),
+            .cecSupported = legacyPorts[i].cec_supported != 0,
+            .arcSupported = legacyPorts[i].arc_supported != 0,
+            .physicalAddress = legacyPorts[i].physical_address
+        };
+    }
+    _hidl_cb(portInfos);
+    return Void();
+}
+
+Return<void> HdmiCec::setOption(OptionKey key, bool value) {
+    mDevice->set_option(mDevice, static_cast<int>(key), value ? 1 : 0);
+    return Void();
+}
+
+Return<void> HdmiCec::setLanguage(const hidl_string& language) {
+    if (language.size() != 3) {
+        LOG(ERROR) << "Wrong language code: expected 3 letters, but it was " << language.size()
+                << ".";
+        return Void();
+    }
+    const char *languageStr = language.c_str();
+    int convertedLanguage = ((languageStr[0] & 0xFF) << 16)
+            | ((languageStr[1] & 0xFF) << 8)
+            | (languageStr[2] & 0xFF);
+    mDevice->set_option(mDevice, HDMI_OPTION_SET_LANG, convertedLanguage);
+    return Void();
+}
+
+Return<void> HdmiCec::enableAudioReturnChannel(int32_t portId, bool enable) {
+    mDevice->set_audio_return_channel(mDevice, portId, enable ? 1 : 0);
+    return Void();
+}
+
+Return<bool> HdmiCec::isConnected(int32_t portId) {
+    return mDevice->is_connected(mDevice, portId) > 0;
+}
+
+
+IHdmiCec* HIDL_FETCH_IHdmiCec(const char* hal) {
+    hdmi_cec_device_t* hdmi_cec_device;
+    int ret = 0;
+    const hw_module_t* hw_module = nullptr;
+
+    ret = hw_get_module (hal, &hw_module);
+    if (ret == 0) {
+        ret = hdmi_cec_open (hw_module, &hdmi_cec_device);
+        if (ret != 0) {
+            LOG(ERROR) << "hdmi_cec_open " << hal << " failed: " << ret;
+        }
+    } else {
+        LOG(ERROR) << "hw_get_module " << hal << " failed: " << ret;
+    }
+
+    if (ret == 0) {
+        return new HdmiCec(hdmi_cec_device);
+    } else {
+        LOG(ERROR) << "Passthrough failed to load legacy HAL.";
+        return nullptr;
+    }
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace cec
+}  // namespace tv
+}  // namespace hardware
+}  // namespace android