Bluetooth: Add BTC support in Bluedroid.

Provides an interface to get HCI commands/events
for Bluetooth WLAN coexistance.

Change-Id: Iee93cee6be5301c055541d64338eb5fc7f8a438e

btc/Android.mk

@@ -0,0 +1,26 @@
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_CFLAGS := -DBUILDCFG $(bdroid_CFLAGS)
+
+LOCAL_SRC_FILES := src/btc_common.c
+
+LOCAL_MODULE := libbt-btc
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+LOCAL_MODULE_TAGS := optional
+LOCAL_SHARED_LIBRARIES := libcutils libc
+
+LOCAL_C_INCLUDES := . \
+                   $(LOCAL_PATH)/include \
+                   $(LOCAL_PATH)/../gki/common \
+                   $(LOCAL_PATH)/../gki/ulinux \
+                   $(LOCAL_PATH)/../include \
+                   $(LOCAL_PATH)/../stack/include \
+                   $(LOCAL_PATH)/../hci/include \
+                   $(LOCAL_PATH)/../stack/btm \
+                   $(LOCAL_PATH)/../udrv/include \
+                   $(LOCAL_PATH)/../bta/include \
+                   $(bdroid_C_INCLUDES)
+
+include $(BUILD_STATIC_LIBRARY)

btc/include/btc_common.h

@@ -0,0 +1,90 @@
+/******************************************************************************
+
+Copyright (c) 2013, The Linux Foundation. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of The Linux Foundation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ ******************************************************************************/
+#ifndef BTC_COMMON_H
+#define BTC_COMMON_H
+
+#include "bt_hci_bdroid.h"
+/*****************************************************************************/
+
+typedef unsigned short uint16_t;
+
+#define HCI_COMMAND                                     0x01
+#define HCI_EVT                                         0x04
+#define OCF_INQUIRY                                     0x01
+#define OCF_INQUIRY_CANCEL                              0x02
+#define OCF_PERIODIC_INQUIRY                            0x03
+#define OCF_OCF_CREATE_CONN                             0x05
+#define OCF_READ_BD_ADDR                                0x09
+#define OCF_READ_REMOTE_FEATURES                        0x1B
+#define OCF_READ_REMOTE_VERSION                         0x1D
+#define OCF_SET_AFH_HOST_CHANNEL_CLASSIFICATION         0x3F
+#define OCF_RESET                                       0x03
+#define OCF_ROLE_DISCOVERY                              0x09
+#define EVT_INQUIRY_COMPLETE                            0x01
+#define EVT_CONN_COMPLETE                               0x03
+#define EVT_CONN_REQUEST                                0x04
+#define EVT_DISCONN_COMPLETE                            0x05
+#define EVT_READ_REMOTE_FEATURES_COMPLETE               0x0B
+#define EVT_READ_REMOTE_VERSION_COMPLETE                0x0C
+#define EVT_CMD_COMPLETE                                0x0E
+#define EVT_ROLE_CHANGE                                 0x12
+#define EVT_PIN_CODE_REQ                                0x16
+#define EVT_LINK_KEY_NOTIFY                             0x18
+#define EVT_SYNC_CONN_COMPLETE                          0x2C
+#define OGF_LINK_CTL                                    0x04
+#define OGF_LINK_POLICY                                 0x08
+#define OGF_HOST_CTL                                    0x0c
+#define OGF_INFO_PARAM                                  0x10
+#define BTC_STACK_TO_HC_HCI_CMD                         0x2000
+#define BTC_HC_TO_STACK_HCI_EVT                         0x1000
+#define BTC_EVT_MASK                                    0xFF00
+#define BTC_MAX_LEN                                     0xFF
+
+#define EVT_OGF_OFFSET                                  0x05
+#define EVT_OCF_OFFSET                                  0x04
+#define EVT_CODE_OFFSET                                 0x01
+#define CMD_OGF_OFFSET                                  0x02
+#define CMD_OCF_OFFSET                                  0x01
+
+
+typedef void (*t_HciPacketCallback)(HC_BT_HDR *p_buf);
+extern void btsnoop_reg(t_HciPacketCallback p_callback);
+void btc_process_client_command(char *hci_cmd, int len);
+void btc_process_stack_command(char *hci_cmd, int len);
+void btc_send_cmd_complete(char *hci_evt, int len);
+void btc_init(void);
+void btc_deinit(void);
+int btc_close_serv_socket(const char* name);
+void btc_cmd_evt_handler(HC_BT_HDR *p_buf);
+static void btc_thread(void *param);
+static int btc_accept(char *name);
+#endif /*BTC_COMMON_H*/
+