1 /******************************************************************************
2 *
3 * Copyright 2000-2012 Broadcom Corporation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 ******************************************************************************/
18
19 #define LOG_TAG "bt_task"
20
21 #include <base/logging.h>
22 #include <pthread.h>
23 #include <string.h>
24
25 #include "bt_target.h"
26 #include "btm_int.h"
27 #include "btu.h"
28 #include "common/message_loop_thread.h"
29 #include "device/include/controller.h"
30 #include "gatt_api.h"
31 #include "gatt_int.h"
32 #include "l2c_int.h"
33 #include "osi/include/alarm.h"
34 #include "osi/include/fixed_queue.h"
35 #include "osi/include/log.h"
36 #include "sdpint.h"
37 #include "smp_int.h"
38
39 using bluetooth::common::MessageLoopThread;
40
41 MessageLoopThread bt_startup_thread("bt_startup_thread");
42
43 void btu_task_start_up(void* context);
44 void btu_task_shut_down(void* context);
45
46 /*****************************************************************************
47 *
48 * Function btu_init_core
49 *
50 * Description Initialize control block memory for each core component.
51 *
52 *
53 * Returns void
54 *
55 *****************************************************************************/
btu_init_core()56 void btu_init_core() {
57 /* Initialize the mandatory core stack components */
58 btm_init();
59
60 l2c_init();
61
62 sdp_init();
63
64 gatt_init();
65
66 SMP_Init();
67
68 btm_ble_init();
69 }
70
71 /*****************************************************************************
72 *
73 * Function btu_free_core
74 *
75 * Description Releases control block memory for each core component.
76 *
77 *
78 * Returns void
79 *
80 *****************************************************************************/
btu_free_core()81 void btu_free_core() {
82 /* Free the mandatory core stack components */
83 gatt_free();
84
85 l2c_free();
86
87 sdp_free();
88
89 btm_free();
90 }
91
92 /*****************************************************************************
93 *
94 * Function BTU_StartUp
95 *
96 * Description Initializes the BTU control block.
97 *
98 * NOTE: Must be called before creating any tasks
99 * (RPC, BTU, HCIT, APPL, etc.)
100 *
101 * Returns void
102 *
103 *****************************************************************************/
BTU_StartUp()104 void BTU_StartUp() {
105 btu_trace_level = HCI_INITIAL_TRACE_LEVEL;
106 bt_startup_thread.StartUp();
107 if (!bt_startup_thread.EnableRealTimeScheduling()) {
108 LOG(ERROR) << __func__ << ": Unable to set real time scheduling policy for "
109 << bt_startup_thread;
110 BTU_ShutDown();
111 return;
112 }
113 if (!bt_startup_thread.DoInThread(FROM_HERE,
114 base::Bind(btu_task_start_up, nullptr))) {
115 LOG(ERROR) << __func__ << ": Unable to continue start-up on "
116 << bt_startup_thread;
117 BTU_ShutDown();
118 return;
119 }
120 }
121
BTU_ShutDown()122 void BTU_ShutDown() {
123 btu_task_shut_down(nullptr);
124 bt_startup_thread.ShutDown();
125 }
126