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/*
* Copyright (C) 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 com.android.server.usb.hal.gadget;
import android.annotation.IntDef;
import android.hardware.usb.gadget.IUsbGadgetCallback;
import android.hardware.usb.IUsbOperationInternal;
import android.hardware.usb.UsbManager.UsbHalVersion;
import android.os.RemoteException;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.String;
/**
* @hide
*/
public interface UsbGadgetHal {
/**
* This function is used to query the USB functions included in the
* current USB configuration.
*
* @param transactionId Used for tracking the current request and is passed down to the HAL
* implementation as needed.
*/
public void getCurrentUsbFunctions(long transactionId);
/**
* The function is used to query current USB speed.
*
* @param transactionId Used for tracking the current request and is passed down to the HAL
* implementation as needed.
*/
public void getUsbSpeed(long transactionId);
/**
* This function is used to reset USB gadget driver.
* Performs USB data connection reset. The connection will disconnect and
* reconnect.
*/
public void reset();
/**
* Invoked to query the version of current gadget hal implementation.
*/
public @UsbHalVersion int getGadgetHalVersion() throws RemoteException;
/**
* This function is used to set the current USB gadget configuration.
* The USB gadget needs to be torn down if a USB configuration is already
* active.
*
* @param functions list of functions defined by GadgetFunction to be
* included in the gadget composition.
* @param timeout The maximum time (in milliseconds) within which the
* IUsbGadgetCallback needs to be returned.
* @param transactionId Used for tracking the current request and is passed down to the HAL
* implementation as needed.
*/
public void setCurrentUsbFunctions(int request, long functions,
boolean chargingFunctions, int timeout, long transactionId);
}
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