1 /******************************************************************************
3 * Copyright (C) 2009-2012 Broadcom Corporation
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:
9 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 ******************************************************************************/
19 /******************************************************************************
21 * Filename: bte_main.c
23 * Description: Contains BTE core stack initialization and shutdown code
25 ******************************************************************************/
27 #define LOG_TAG "bt_main"
30 #include <cutils/properties.h>
32 #include <hardware/bluetooth.h>
38 #include "osi/include/alarm.h"
40 #include "bt_hci_bdroid.h"
42 #include "btif_common.h"
46 #include "btcore/include/counter.h"
47 #include "btcore/include/module.h"
48 #include "device/include/interop.h"
49 #include "hci_layer.h"
50 #include "osi/include/alarm.h"
51 #include "osi/include/fixed_queue.h"
52 #include "osi/include/future.h"
54 #include "osi/include/hash_functions.h"
55 #include "osi/include/hash_map.h"
56 #include "hci_layer.h"
57 #include "osi/include/osi.h"
58 #include "osi/include/log.h"
59 #include "stack_config.h"
60 #include "osi/include/thread.h"
62 /*******************************************************************************
64 *******************************************************************************/
66 /* Run-time configuration file for BLE*/
67 #ifndef BTE_BLE_STACK_CONF_FILE
68 #define BTE_BLE_STACK_CONF_FILE "/etc/bluetooth/ble_stack.conf"
71 /******************************************************************************
73 ******************************************************************************/
75 /*******************************************************************************
77 *******************************************************************************/
78 static const hci_t *hci;
80 /*******************************************************************************
82 *******************************************************************************/
84 /*******************************************************************************
86 *******************************************************************************/
87 extern void bte_load_ble_conf(const char *p_path);
88 fixed_queue_t *btu_hci_msg_queue;
90 /******************************************************************************
92 ** Function bte_main_boot_entry
94 ** Description BTE MAIN API - Entry point for BTE chip/stack initialization
98 ******************************************************************************/
99 void bte_main_boot_entry(void)
101 module_init(get_module(GKI_MODULE));
102 module_init(get_module(COUNTER_MODULE));
103 module_init(get_module(INTEROP_MODULE));
105 hci = hci_layer_get_interface();
107 LOG_ERROR("%s could not get hci layer interface.", __func__);
109 btu_hci_msg_queue = fixed_queue_new(SIZE_MAX);
110 if (btu_hci_msg_queue == NULL) {
111 LOG_ERROR("%s unable to allocate hci message queue.", __func__);
115 data_dispatcher_register_default(hci->event_dispatcher, btu_hci_msg_queue);
116 hci->set_data_queue(btu_hci_msg_queue);
118 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
119 bte_load_ble_conf(BTE_BLE_STACK_CONF_FILE);
121 module_init(get_module(STACK_CONFIG_MODULE));
124 /******************************************************************************
126 ** Function bte_main_shutdown
128 ** Description BTE MAIN API - Shutdown code for BTE chip/stack
132 ******************************************************************************/
133 void bte_main_shutdown()
135 data_dispatcher_register_default(hci_layer_get_interface()->event_dispatcher, NULL);
136 hci->set_data_queue(NULL);
137 fixed_queue_free(btu_hci_msg_queue, NULL);
139 btu_hci_msg_queue = NULL;
141 module_clean_up(get_module(STACK_CONFIG_MODULE));
143 module_clean_up(get_module(INTEROP_MODULE));
144 module_clean_up(get_module(COUNTER_MODULE));
145 module_clean_up(get_module(GKI_MODULE));
148 /******************************************************************************
150 ** Function bte_main_enable
152 ** Description BTE MAIN API - Creates all the BTE tasks. Should be called
153 ** part of the Bluetooth stack enable sequence
157 ******************************************************************************/
158 void bte_main_enable()
160 APPL_TRACE_DEBUG("%s", __FUNCTION__);
162 module_start_up(get_module(BTSNOOP_MODULE));
163 module_start_up(get_module(HCI_MODULE));
168 /******************************************************************************
170 ** Function bte_main_disable
172 ** Description BTE MAIN API - Destroys all the BTE tasks. Should be called
173 ** part of the Bluetooth stack disable sequence
177 ******************************************************************************/
178 void bte_main_disable(void)
180 APPL_TRACE_DEBUG("%s", __FUNCTION__);
182 module_shut_down(get_module(HCI_MODULE));
183 module_shut_down(get_module(BTSNOOP_MODULE));
188 /******************************************************************************
190 ** Function bte_main_postload_cfg
192 ** Description BTE MAIN API - Stack postload configuration
196 ******************************************************************************/
197 void bte_main_postload_cfg(void)
202 #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
203 /******************************************************************************
205 ** Function bte_main_enable_lpm
207 ** Description BTE MAIN API - Enable/Disable low power mode operation
211 ******************************************************************************/
212 void bte_main_enable_lpm(BOOLEAN enable)
214 hci->send_low_power_command(enable ? LPM_ENABLE : LPM_DISABLE);
217 /******************************************************************************
219 ** Function bte_main_lpm_allow_bt_device_sleep
221 ** Description BTE MAIN API - Allow BT controller goest to sleep
225 ******************************************************************************/
226 void bte_main_lpm_allow_bt_device_sleep()
228 hci->send_low_power_command(LPM_WAKE_DEASSERT);
231 /******************************************************************************
233 ** Function bte_main_lpm_wake_bt_device
235 ** Description BTE MAIN API - Wake BT controller up if it is in sleep mode
239 ******************************************************************************/
240 void bte_main_lpm_wake_bt_device()
242 hci->send_low_power_command(LPM_WAKE_ASSERT);
244 #endif // HCILP_INCLUDED
246 /******************************************************************************
248 ** Function bte_main_hci_send
250 ** Description BTE MAIN API - This function is called by the upper stack to
251 ** send an HCI message. The function displays a protocol trace
252 ** message (if enabled), and then calls the 'transmit' function
253 ** associated with the currently selected HCI transport
257 ******************************************************************************/
258 void bte_main_hci_send (BT_HDR *p_msg, UINT16 event)
260 UINT16 sub_event = event & BT_SUB_EVT_MASK; /* local controller ID */
262 p_msg->event = event;
264 counter_add("main.tx.packets", 1);
265 counter_add("main.tx.bytes", p_msg->len);
267 if((sub_event == LOCAL_BR_EDR_CONTROLLER_ID) || \
268 (sub_event == LOCAL_BLE_CONTROLLER_ID))
270 hci->transmit_downward(event, p_msg);
274 APPL_TRACE_ERROR("Invalid Controller ID. Discarding message.");