diff --git a/tv/cec/1.0/IHdmiCec.hal b/tv/cec/1.0/IHdmiCec.hal
new file mode 100644
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+++ b/tv/cec/1.0/IHdmiCec.hal
@@ -0,0 +1,166 @@
+/*
+ * 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.
+ */
+
+package android.hardware.tv.cec@1.0;
+
+import IHdmiCecCallback;
+
+/*
+ * HDMI-CEC HAL interface definition.
+ */
+interface IHdmiCec {
+    /*
+     * Passes the logical address that must be used in this system.
+     *
+     * HAL must use it to configure the hardware so that the CEC commands
+     * addressed the given logical address can be filtered in. This method must
+     * be able to be called as many times as necessary in order to support
+     * multiple logical devices.
+     *
+     * @param addr Logical address that must be used in this system. It must be
+     *        in the range of valid logical addresses for the call to succeed.
+     * @return result Result status of the operation. SUCCESS if successful,
+     *         FAILURE_INVALID_ARGS if the given logical address is invalid,
+     *         FAILURE_BUSY if device or resource is busy
+     */
+    @callflow(next={"*"})
+    addLogicalAddress(CecLogicalAddress addr) generates (Result result);
+
+    /*
+     * Clears all the logical addresses.
+     *
+     * It is used when the system doesn't need to process CEC command any more,
+     * hence to tell HAL to stop receiving commands from the CEC bus, and change
+     * the state back to the beginning.
+     */
+    @callflow(next="addLogicalAddress")
+    @exit
+    clearLogicalAddress();
+
+    /*
+     * Gets the CEC physical address.
+     *
+     * The physical address depends on the topology of the network formed by
+     * connected HDMI devices. It is therefore likely to change if the cable is
+     * plugged off and on again. It is advised to call getPhysicalAddress to get
+     * the updated address when hot plug event takes place.
+     *
+     * @return result Result status of the operation. SUCCESS if successful,
+     *         FAILURE_INVALID_STATE if HAL cannot retrieve the physical
+     *         address.
+     * @return addr Physical address of this device.
+     */
+    @callflow(next="*")
+    getPhysicalAddress() generates (Result result, uint16_t addr);
+
+    /*
+     * Transmits HDMI-CEC message to other HDMI device.
+     *
+     * The method must be designed to return in a certain amount of time and not
+     * hanging forever which may happen if CEC signal line is pulled low for
+     * some reason.
+     *
+     * It must try retransmission at least once as specified in the section '7.1
+     * Frame Re-transmissions' of the CEC Spec 1.4b.
+     *
+     * @param message CEC message to be sent to other HDMI device.
+     * @return result Result status of the operation. SUCCESS if successful,
+     *         NACK if the sent message is not acknowledged,
+     *         BUSY if the CEC bus is busy.
+     */
+    @callflow(next="*")
+    sendMessage(CecMessage message) generates (SendMessageResult result);
+
+    /*
+     * Sets a callback that HDMI-CEC HAL must later use for incoming CEC
+     * messages or internal HDMI events.
+     *
+     * @param callback Callback object to pass hdmi events to the system. The
+     *        previously registered callback must be replaced with this one.
+     */
+    @callflow(next={"addLogicalAddress"})
+    @entry
+    setCallback(IHdmiCecCallback callback);
+
+    /*
+     * Returns the CEC version supported by underlying hardware.
+     *
+     * @return version the CEC version supported by underlying hardware.
+     */
+    @callflow(next={"*"})
+    getCecVersion() generates (int32_t version);
+
+    /*
+     * Gets the identifier of the vendor.
+     *
+     * @return vendorId Identifier of the vendor that is the 24-bit unique
+     *         company ID obtained from the IEEE Registration Authority
+     *         Committee (RAC). The upper 8 bits must be 0.
+     */
+    @callflow(next={"*"})
+    getVendorId() generates (uint32_t vendorId);
+
+    /*
+     * Gets the hdmi port information of underlying hardware.
+     *
+     * @return infos The list of HDMI port information
+     */
+    @callflow(next={"*"})
+    getPortInfo() generates (vec<HdmiPortInfo> infos);
+
+    /*
+     * Sets flags controlling the way HDMI-CEC service works down to HAL
+     * implementation. Those flags must be used in case the feature needs update
+     * in HAL itself, firmware or microcontroller.
+     *
+     * @param key The key of the option to be updated with a new value.
+     * @param value Value to be set.
+     */
+    @callflow(next="*")
+    setOption(OptionKey key, bool value);
+
+    /*
+     * Passes the updated language information of Android system. Contains
+     * three-letter code as defined in ISO/FDIS 639-2. Must be used for HAL to
+     * respond to <Get Menu Language> while in standby mode.
+     *
+     * @param language Three-letter code defined in ISO/FDIS 639-2. Must be
+     *        lowercase letters. (e.g., eng for English)
+     */
+    @callflow(next="*")
+    setLanguage(string language);
+
+    /*
+     * Configures ARC circuit in the hardware logic to start or stop the
+     * feature.
+     *
+     * @param portId Port id to be configured.
+     * @param enable Flag must be either true to start the feature or false to
+     *        stop it.
+     */
+    @callflow(next="*")
+    enableAudioReturnChannel(int32_t portId, bool enable);
+
+    /*
+     * Gets the connection status of the specified port.
+     *
+     * @param portId Port id to be inspected for the connection status.
+     * @return status True if a device is connected, otherwise false. The HAL
+     *         must watch for +5V power signal to determine the status.
+     */
+    @callflow(next="*")
+    isConnected(int32_t portId) generates (bool status);
+};