Add Bluetooth HAL definition
Test: compiles
Bug: 31972505
Change-Id: I7608b0814c9ca697b21c9e115cfcd81ab1364892
diff --git a/bluetooth/1.0/IBluetoothHci.hal b/bluetooth/1.0/IBluetoothHci.hal
new file mode 100644
index 0000000..10cf914
--- /dev/null
+++ b/bluetooth/1.0/IBluetoothHci.hal
@@ -0,0 +1,74 @@
+/*
+ * 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.bluetooth@1.0;
+
+import IBluetoothHciCallbacks;
+
+/*
+ * The Host Controller Interface (HCI) is the layer defined by the Bluetooth
+ * specification between the software that runs on the host and the Bluetooth
+ * controller chip. This boundary is the natural choice for a Hardware
+ * Abstraction Layer (HAL). Dealing only in HCI packets and events simplifies
+ * the stack and abstracts away power management, initialization, and other
+ * implementation-specific details related to the hardware.
+ */
+
+interface IBluetoothHci {
+ /**
+ * Initialize the underlying HCI interface.
+ *
+ * This method should be used to initialize any hardware interfaces
+ * required to communicate with the Bluetooth hardware in the
+ * device.
+ *
+ * @param callback implements IBluetoothHciCallbacks which will
+ * receive callbacks when incoming HCI packets are received
+ * from the controller to be sent to the host.
+ * @return status result of the initialization
+ */
+ initialize(IBluetoothHciCallbacks callback) generates (Status status);
+
+ /**
+ * Send an HCI command (as specified in the Bluetooth Specification
+ * V4.2, Vol 2, Part 5, Section 5.4.1) to the Bluetooth controller.
+ * Commands must be executed in order.
+ *
+ * @param command is the HCI command to be sent
+ */
+ sendHciCommand(HciPacket command);
+
+ /**
+ * Send an HCI ACL data packet (as specified in the Bluetooth Specification
+ * V4.2, Vol 2, Part 5, Section 5.4.2) to the Bluetooth controller.
+ * Packets must be processed in order.
+ * @param data HCI data packet to be sent
+ */
+ sendAclData(HciPacket data);
+
+ /**
+ * Send an SCO data packet (as specified in the Bluetooth Specification
+ * V4.2, Vol 2, Part 5, Section 5.4.3) to the Bluetooth controller.
+ * Packets must be processed in order.
+ * @param data HCI data packet to be sent
+ */
+ sendScoData(HciPacket data);
+
+ /**
+ * Close the HCI interface
+ */
+ close();
+};