Initial Bluetooth open source release

Change-Id: I27bb95db854806d7deedaf6c622b17cb09f62f16
diff --git a/include/hardware/bt_pan.h b/include/hardware/bt_pan.h
new file mode 100644
index 0000000..c8b36b4
--- /dev/null
+++ b/include/hardware/bt_pan.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef ANDROID_INCLUDE_BT_PAN_H
+#define ANDROID_INCLUDE_BT_PAN_H
+
+__BEGIN_DECLS
+
+#define BTPAN_ROLE_NONE      0
+#define BTPAN_ROLE_PANNAP    1
+#define BTPAN_ROLE_PANU      2
+
+typedef enum {
+    BTPAN_STATE_CONNECTED       = 0,
+    BTPAN_STATE_CONNECTING      = 1,
+    BTPAN_STATE_DISCONNECTED    = 2,
+    BTPAN_STATE_DISCONNECTING   = 3
+} btpan_connection_state_t;
+
+typedef enum {
+    BTPAN_STATE_ENABLED = 0,
+    BTPAN_STATE_DISABLED = 1
+} btpan_control_state_t;
+
+/**
+* Callback for pan connection state
+*/
+typedef void (*btpan_connection_state_callback)(btpan_connection_state_t state, bt_status_t error,
+                                                const bt_bdaddr_t *bd_addr, int local_role, int remote_role);
+typedef void (*btpan_control_state_callback)(btpan_control_state_t state, bt_status_t error,
+                                            int local_role, const char* ifname);
+
+typedef struct {
+    size_t size;
+    btpan_control_state_callback control_state_cb;
+    btpan_connection_state_callback connection_state_cb;
+} btpan_callbacks_t;
+typedef struct {
+    /** set to size of this struct*/
+    size_t          size;
+    /**
+     * Initialize the pan interface and register the btpan callbacks
+     */
+    bt_status_t (*init)(const btpan_callbacks_t* callbacks);
+    /*
+     * enable the pan service by specified role. The result state of
+     * enabl will be returned by btpan_control_state_callback. when pan-nap is enabled,
+     * the state of connecting panu device will be notified by btpan_connection_state_callback
+     */
+    bt_status_t (*enable)(int local_role);
+    /*
+     * get current pan local role
+     */
+    int (*get_local_role)(void);
+    /**
+     * start bluetooth pan connection to the remote device by specified pan role. The result state will be
+     * returned by btpan_connection_state_callback
+     */
+    bt_status_t (*connect)(const bt_bdaddr_t *bd_addr, int local_role, int remote_role);
+    /**
+     * stop bluetooth pan connection. The result state will be returned by btpan_connection_state_callback
+     */
+    bt_status_t (*disconnect)(const bt_bdaddr_t *bd_addr);
+
+    /**
+     * Cleanup the pan interface
+     */
+    void (*cleanup)(void);
+
+} btpan_interface_t;
+
+__END_DECLS
+
+#endif /* ANDROID_INCLUDE_BT_PAN_H */