diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 16e29d1..32aed71 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -631,6 +631,14 @@
         </interface>
     </hal>
     <hal format="aidl" optional="true">
+        <name>android.hardware.tv.input</name>
+        <version>1</version>
+        <interface>
+            <name>ITvInput</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="true">
         <name>android.hardware.usb</name>
         <interface>
             <name>IUsb</name>
diff --git a/tv/input/aidl/Android.bp b/tv/input/aidl/Android.bp
new file mode 100644
index 0000000..1987174
--- /dev/null
+++ b/tv/input/aidl/Android.bp
@@ -0,0 +1,27 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+aidl_interface {
+    name: "android.hardware.tv.input",
+    vendor_available: true,
+    srcs: ["android/hardware/tv/input/*.aidl"],
+    imports: [
+        "android.hardware.common-V2",
+        "android.media.audio.common.types-V1",
+    ],
+    stability: "vintf",
+    backend: {
+        java: {
+            sdk_version: "module_current",
+        },
+        cpp: {
+            enabled: false,
+        },
+    },
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/CableConnectionStatus.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/CableConnectionStatus.aidl
new file mode 100644
index 0000000..a48bdb1
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/CableConnectionStatus.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@Backing(type="int") @VintfStability
+enum CableConnectionStatus {
+  UNKNOWN = 0,
+  CONNECTED = 1,
+  DISCONNECTED = 2,
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/ITvInput.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/ITvInput.aidl
new file mode 100644
index 0000000..f8d5e05
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/ITvInput.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@VintfStability
+interface ITvInput {
+  void closeStream(in int deviceId, in int streamId);
+  android.hardware.tv.input.TvStreamConfig[] getStreamConfigurations(in int deviceId);
+  android.hardware.common.NativeHandle openStream(in int deviceId, in int streamId);
+  void setCallback(in android.hardware.tv.input.ITvInputCallback callback);
+  const int STATUS_UNKNOWN = 1;
+  const int STATUS_NO_RESOURCE = 2;
+  const int STATUS_INVALID_ARGUMENTS = 3;
+  const int STATUS_INVALID_STATE = 4;
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/ITvInputCallback.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/ITvInputCallback.aidl
new file mode 100644
index 0000000..7f2aff6
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/ITvInputCallback.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@VintfStability
+interface ITvInputCallback {
+  void notify(in android.hardware.tv.input.TvInputEvent event);
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputDeviceInfo.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputDeviceInfo.aidl
new file mode 100644
index 0000000..d095146
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputDeviceInfo.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@VintfStability
+parcelable TvInputDeviceInfo {
+  int deviceId;
+  android.hardware.tv.input.TvInputType type;
+  int portId;
+  android.hardware.tv.input.CableConnectionStatus cableConnectionStatus;
+  android.media.audio.common.AudioDevice audioDevice;
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputEvent.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputEvent.aidl
new file mode 100644
index 0000000..cfa8a34
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputEvent.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@VintfStability
+parcelable TvInputEvent {
+  android.hardware.tv.input.TvInputEventType type;
+  android.hardware.tv.input.TvInputDeviceInfo deviceInfo;
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputEventType.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputEventType.aidl
new file mode 100644
index 0000000..a9f518a
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputEventType.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@Backing(type="int") @VintfStability
+enum TvInputEventType {
+  DEVICE_AVAILABLE = 1,
+  DEVICE_UNAVAILABLE = 2,
+  STREAM_CONFIGURATIONS_CHANGED = 3,
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputType.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputType.aidl
new file mode 100644
index 0000000..7e44a7d
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvInputType.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@Backing(type="int") @VintfStability
+enum TvInputType {
+  OTHER = 1,
+  TUNER = 2,
+  COMPOSITE = 3,
+  SVIDEO = 4,
+  SCART = 5,
+  COMPONENT = 6,
+  VGA = 7,
+  DVI = 8,
+  HDMI = 9,
+  DISPLAY_PORT = 10,
+}
diff --git a/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvStreamConfig.aidl b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvStreamConfig.aidl
new file mode 100644
index 0000000..8378ff3
--- /dev/null
+++ b/tv/input/aidl/aidl_api/android.hardware.tv.input/current/android/hardware/tv/input/TvStreamConfig.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tv.input;
+@VintfStability
+parcelable TvStreamConfig {
+  int streamId;
+  int maxVideoWidth;
+  int maxVideoHeight;
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/CableConnectionStatus.aidl b/tv/input/aidl/android/hardware/tv/input/CableConnectionStatus.aidl
new file mode 100644
index 0000000..64b79dd
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/CableConnectionStatus.aidl
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2022 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.input;
+
+/**
+ * Status of cable connection.
+ * This status is for devices having availability to detect the cable in a mechanical way,
+ * regardless of whether the connected external device is electrically on or not.
+ * If the device does not have such capability, you must use UNKNOWN.
+ */
+@VintfStability
+@Backing(type="int")
+enum CableConnectionStatus {
+    UNKNOWN = 0,
+    CONNECTED = 1,
+    DISCONNECTED = 2,
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/ITvInput.aidl b/tv/input/aidl/android/hardware/tv/input/ITvInput.aidl
new file mode 100644
index 0000000..31d6586
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/ITvInput.aidl
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2022 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.input;
+
+import android.hardware.common.NativeHandle;
+import android.hardware.tv.input.ITvInputCallback;
+import android.hardware.tv.input.TvStreamConfig;
+
+@VintfStability
+interface ITvInput {
+    /**
+     * ServiceSpecificException values for ITvInput requests
+     */
+    const int STATUS_UNKNOWN = 1;
+    const int STATUS_NO_RESOURCE = 2;
+    const int STATUS_INVALID_ARGUMENTS = 3;
+    const int STATUS_INVALID_STATE = 4;
+
+    /**
+     * Closes a specific stream in a device.
+     *
+     * @param deviceId Device ID for the stream to close.
+     * @param streamId Stream ID for the stream to close.
+     * @throws ServiceSpecificException with values from the ITvInput::STATUS_* constants
+     */
+    void closeStream(in int deviceId, in int streamId);
+
+    /**
+     * Gets stream configurations for a specific device.
+     *
+     * The configs object is valid only until the next
+     * STREAM_CONFIGURATIONS_CHANGED event.
+     *
+     * @param deviceId Device ID for the configurations.
+     * @return the array of available configurations.
+     * @throws ServiceSpecificException with values from the ITvInput::STATUS_* constants
+     */
+    TvStreamConfig[] getStreamConfigurations(in int deviceId);
+
+    /**
+     * Opens a specific stream in a device.
+     *
+     * @param deviceId Device ID for the stream to open.
+     * @param streamId Stream ID for the stream to open. Must be one of the
+     *         stream IDs returned from getStreamConfigurations().
+     * @return the handle for sideband stream.
+     * @throws ServiceSpecificException with values from the ITvInput::STATUS_* constants
+     */
+    NativeHandle openStream(in int deviceId, in int streamId);
+
+    /**
+     * Sets a callback for events.
+     *
+     * Note that initially no device is available in the client side, so the
+     * implementation must notify all the currently available devices including
+     * static devices via callback once callback is set.
+     *
+     * @param callback Callback object to pass events.
+     * @throws ServiceSpecificException with values from the ITvInput::STATUS_* constants
+     */
+    void setCallback(in ITvInputCallback callback);
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/ITvInputCallback.aidl b/tv/input/aidl/android/hardware/tv/input/ITvInputCallback.aidl
new file mode 100644
index 0000000..fc7492d
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/ITvInputCallback.aidl
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2022 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.input;
+
+import android.hardware.tv.input.TvInputEvent;
+
+@VintfStability
+interface ITvInputCallback {
+    /**
+     * Notifies the client that an event has occurred. For possible event types,
+     * check TvInputEventType.
+     *
+     * @param event Event passed to the client.
+     */
+    void notify(in TvInputEvent event);
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/TvInputDeviceInfo.aidl b/tv/input/aidl/android/hardware/tv/input/TvInputDeviceInfo.aidl
new file mode 100644
index 0000000..2782e90
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/TvInputDeviceInfo.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 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.input;
+
+import android.hardware.tv.input.CableConnectionStatus;
+import android.hardware.tv.input.TvInputType;
+import android.media.audio.common.AudioDevice;
+
+@VintfStability
+parcelable TvInputDeviceInfo {
+    int deviceId;
+    TvInputType type;
+
+    /* HDMI port ID number. e.g. 2 for HDMI 2. */
+    int portId;
+
+    /* Cable connection status. */
+    CableConnectionStatus cableConnectionStatus;
+
+    /* Audio device info. */
+    AudioDevice audioDevice;
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/TvInputEvent.aidl b/tv/input/aidl/android/hardware/tv/input/TvInputEvent.aidl
new file mode 100644
index 0000000..66ca7aa
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/TvInputEvent.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2022 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.input;
+
+import android.hardware.tv.input.TvInputDeviceInfo;
+import android.hardware.tv.input.TvInputEventType;
+
+@VintfStability
+parcelable TvInputEvent {
+    TvInputEventType type;
+
+    /**
+     * TvInputEventType::DEVICE_AVAILABLE: all fields are relevant.
+     * TvInputEventType::DEVICE_UNAVAILABLE: only deviceId is relevant.
+     * TvInputEventType::STREAM_CONFIGURATIONS_CHANGED: only deviceId is relevant.
+     */
+    TvInputDeviceInfo deviceInfo;
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/TvInputEventType.aidl b/tv/input/aidl/android/hardware/tv/input/TvInputEventType.aidl
new file mode 100644
index 0000000..fcbc3c2
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/TvInputEventType.aidl
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2022 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.input;
+
+@VintfStability
+@Backing(type="int")
+enum TvInputEventType {
+    /**
+     * Hardware notifies the framework that a device is available.
+     *
+     * Note that DEVICE_AVAILABLE and DEVICE_UNAVAILABLE events do not represent
+     * hotplug events (i.e. plugging cable into or out of the physical port).
+     * These events notify the framework whether the port is available or not.
+     * For a concrete example, when a user plugs in or pulls out the HDMI cable
+     * from a HDMI port, it does not generate DEVICE_AVAILABLE and/or
+     * DEVICE_UNAVAILABLE events. However, if a user inserts a pluggable USB
+     * tuner into the Android device, it must generate a DEVICE_AVAILABLE event
+     * and when the port is removed, it must generate a DEVICE_UNAVAILABLE
+     * event.
+     *
+     * For hotplug events, please see STREAM_CONFIGURATION_CHANGED for more
+     * details.
+     *
+     * HAL implementation must register devices by using this event when the
+     * device boots up. The framework must recognize device reported via this
+     * event only.
+     */
+    DEVICE_AVAILABLE = 1,
+
+    /**
+     * Hardware notifies the framework that a device is unavailable.
+     *
+     * HAL implementation must generate this event when a device registered
+     * by DEVICE_AVAILABLE is no longer available. For example,
+     * the event can indicate that a USB tuner is plugged out from the Android
+     * device.
+     *
+     * Note that this event is not for indicating cable plugged out of the port;
+     * for that purpose, the implementation must use
+     * STREAM_CONFIGURATION_CHANGED event. This event represents the port itself
+     * being no longer available.
+     */
+    DEVICE_UNAVAILABLE = 2,
+
+    /**
+     * Stream configurations are changed. Client must regard all open streams
+     * at the specific device are closed, and must call
+     * getStreamConfigurations() again, opening some of them if necessary.
+     *
+     * HAL implementation must generate this event when the available stream
+     * configurations change for any reason. A typical use case of this event
+     * is to notify the framework that the input signal has changed resolution,
+     * or that the cable is plugged out so that the number of available streams
+     * is 0.
+     *
+     * The implementation must use this event to indicate hotplug status of the
+     * port. the framework regards input devices with no available streams as
+     * disconnected, so the implementation can generate this event with no
+     * available streams to indicate that this device is disconnected, and vice
+     * versa.
+     */
+    STREAM_CONFIGURATIONS_CHANGED = 3,
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/TvInputType.aidl b/tv/input/aidl/android/hardware/tv/input/TvInputType.aidl
new file mode 100644
index 0000000..a0f8270
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/TvInputType.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2022 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.input;
+
+/**
+ * Type of physical TV input.
+ */
+@VintfStability
+@Backing(type="int")
+enum TvInputType {
+    OTHER = 1,
+    TUNER = 2,
+    COMPOSITE = 3,
+    SVIDEO = 4,
+    SCART = 5,
+    COMPONENT = 6,
+    VGA = 7,
+    DVI = 8,
+    HDMI = 9,
+    DISPLAY_PORT = 10,
+}
diff --git a/tv/input/aidl/android/hardware/tv/input/TvStreamConfig.aidl b/tv/input/aidl/android/hardware/tv/input/TvStreamConfig.aidl
new file mode 100644
index 0000000..af86953
--- /dev/null
+++ b/tv/input/aidl/android/hardware/tv/input/TvStreamConfig.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2022 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.input;
+
+@VintfStability
+parcelable TvStreamConfig {
+    int streamId;
+
+    /* Maximum video width in pixel. */
+    int maxVideoWidth;
+
+    /* Maximum video height in pixel. */
+    int maxVideoHeight;
+}