USB: HIDL: Type-c usb interface V1_0
This interface is responsible for handling type-c port enquiry
and role swtiching.
BUG: 31015010
Test: Manually tested on Angler and sailfish for type-c role switches.
Change-Id: I2c4fb01e7bd74f0483ab08b543e2ce294175bc35
diff --git a/usb/1.0/IUsb.hal b/usb/1.0/IUsb.hal
new file mode 100644
index 0000000..965326a
--- /dev/null
+++ b/usb/1.0/IUsb.hal
@@ -0,0 +1,57 @@
+/*
+ * 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.usb@1.0;
+
+import IUsbCallback;
+
+interface IUsb {
+ /*
+ * This function is used to change the port role of a specific port.
+ * For example, when PD_SWAP or PR_SWAP is supported.
+ * This is function is asynchronous. The status of the role switch
+ * will be informed through IUsbCallback object's notifyPortStatusChange
+ * method.
+ *
+ * @param portName name of the port for which the role has to be changed
+ * @param role the new port role.
+ */
+ oneway switchRole(string portName, PortRole role);
+
+ /*
+ * This function is used to register a callback function which is
+ * called by the HAL whenever there is a change in the port state.
+ * i.e. DATA_ROLE, POWER_ROLE or MODE.
+ *
+ * Also the same callback object would be called to inform the caller
+ * of the roleSwitch status.
+ *
+ * @param callback IUsbCallback object used to convey status to the
+ * userspace.
+ */
+ oneway setCallback(IUsbCallback callback);
+
+ /*
+ * This functions is used to request the hal for the current status
+ * status of the Type-C ports. This method is async/oneway. The result of the
+ * query would be sent through the IUsbCallback object's notifyRoleSwitchStatus
+ * to the caller. This api would would let the caller know of the number
+ * of type-c ports that are present and their connection status through the
+ * PortStatus type.
+ */
+ oneway queryPortStatus();
+};
+