| /****************************************************************************** |
| * |
| * Copyright 1999-2012 Broadcom Corporation |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| |
| #define LOG_TAG "bt_btu_task" |
| |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include <base/bind.h> |
| #include <base/logging.h> |
| #include <base/run_loop.h> |
| #include <base/threading/thread.h> |
| |
| #include "bta/sys/bta_sys.h" |
| #include "btcore/include/module.h" |
| #include "bte.h" |
| #include "btif/include/btif_common.h" |
| #include "common/message_loop_thread.h" |
| #include "osi/include/osi.h" |
| #include "stack/btm/btm_int.h" |
| #include "stack/include/btu.h" |
| #include "stack/l2cap/l2c_int.h" |
| |
| using bluetooth::common::MessageLoopThread; |
| |
| /* Define BTU storage area */ |
| uint8_t btu_trace_level = HCI_INITIAL_TRACE_LEVEL; |
| |
| static MessageLoopThread main_thread("bt_main_thread"); |
| |
| void btu_hci_msg_process(BT_HDR* p_msg) { |
| /* Determine the input message type. */ |
| switch (p_msg->event & BT_EVT_MASK) { |
| case BT_EVT_TO_BTU_HCI_ACL: |
| /* All Acl Data goes to L2CAP */ |
| l2c_rcv_acl_data(p_msg); |
| break; |
| |
| case BT_EVT_TO_BTU_L2C_SEG_XMIT: |
| /* L2CAP segment transmit complete */ |
| l2c_link_segments_xmitted(p_msg); |
| break; |
| |
| case BT_EVT_TO_BTU_HCI_SCO: |
| #if (BTM_SCO_INCLUDED == TRUE) |
| btm_route_sco_data(p_msg); |
| break; |
| #endif |
| |
| case BT_EVT_TO_BTU_HCI_EVT: |
| btu_hcif_process_event((uint8_t)(p_msg->event & BT_SUB_EVT_MASK), p_msg); |
| osi_free(p_msg); |
| break; |
| |
| case BT_EVT_TO_BTU_HCI_CMD: |
| btu_hcif_send_cmd((uint8_t)(p_msg->event & BT_SUB_EVT_MASK), p_msg); |
| break; |
| |
| default: |
| osi_free(p_msg); |
| break; |
| } |
| } |
| |
| base::MessageLoop* get_main_message_loop() { |
| return main_thread.message_loop(); |
| } |
| |
| bt_status_t do_in_main_thread(const tracked_objects::Location& from_here, |
| base::OnceClosure task) { |
| if (!main_thread.DoInThread(from_here, std::move(task))) { |
| LOG(ERROR) << __func__ << ": failed from " << from_here.ToString(); |
| return BT_STATUS_FAIL; |
| } |
| return BT_STATUS_SUCCESS; |
| } |
| |
| void btu_task_start_up(UNUSED_ATTR void* context) { |
| LOG(INFO) << "Bluetooth chip preload is complete"; |
| |
| /* Initialize the mandatory core stack control blocks |
| (BTU, BTM, L2CAP, and SDP) |
| */ |
| btu_init_core(); |
| |
| /* Initialize any optional stack components */ |
| BTE_InitStack(); |
| |
| bta_sys_init(); |
| |
| /* Initialise platform trace levels at this point as BTE_InitStack() and |
| * bta_sys_init() |
| * reset the control blocks and preset the trace level with |
| * XXX_INITIAL_TRACE_LEVEL |
| */ |
| module_init(get_module(BTE_LOGMSG_MODULE)); |
| |
| main_thread.StartUp(); |
| if (!main_thread.IsRunning()) { |
| LOG(FATAL) << __func__ << ": unable to start btu message loop thread."; |
| } |
| if (!main_thread.EnableRealTimeScheduling()) { |
| LOG(FATAL) << __func__ << ": unable to enable real time scheduling"; |
| } |
| if (do_in_jni_thread(FROM_HERE, base::Bind(btif_init_ok, 0, nullptr)) != |
| BT_STATUS_SUCCESS) { |
| LOG(FATAL) << __func__ << ": unable to continue starting Bluetooth"; |
| } |
| } |
| |
| void btu_task_shut_down(UNUSED_ATTR void* context) { |
| // Shutdown message loop on task completed |
| main_thread.ShutDown(); |
| |
| module_clean_up(get_module(BTE_LOGMSG_MODULE)); |
| |
| bta_sys_free(); |
| btu_free_core(); |
| } |