1 /******************************************************************************
2 *
3 * Copyright (C) 2009-2012 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 /******************************************************************************
20 *
21 * Filename: bte_main.c
22 *
23 * Description: Contains BTE core stack initialization and shutdown code
24 *
25 ******************************************************************************/
26
27
28 #include "common/bt_defs.h"
29 #include "common/bt_common_types.h"
30 #include "common/bte.h"
31 #include "stack/btu.h"
32 #include "common/bt_trace.h"
33 #include "osi/osi.h"
34 #include "osi/alarm.h"
35 #include "osi/hash_map.h"
36 #include "osi/hash_functions.h"
37 #include "device/controller.h"
38 #include "hci/hci_layer.h"
39 #include "bta/bta_api.h"
40
41 /*******************************************************************************
42 ** Constants & Macros
43 *******************************************************************************/
44
45 /******************************************************************************
46 ** Variables
47 ******************************************************************************/
48
49 /*******************************************************************************
50 ** Static variables
51 *******************************************************************************/
52 static const hci_t *hci;
53
54 /*******************************************************************************
55 ** Static functions
56 *******************************************************************************/
57 static void bte_main_disable(void);
58 static void bte_main_enable(void);
59
60 /*******************************************************************************
61 ** Externs
62 *******************************************************************************/
63
64 bluedroid_init_done_cb_t bluedroid_init_done_cb;
65
66 extern void osi_mem_dbg_init(void);
67 /******************************************************************************
68 **
69 ** Function bte_main_boot_entry
70 **
71 ** Description BTE MAIN API - Entry point for BTE chip/stack initialization
72 **
73 ** Returns None
74 **
75 ******************************************************************************/
bte_main_boot_entry(bluedroid_init_done_cb_t cb)76 int bte_main_boot_entry(bluedroid_init_done_cb_t cb)
77 {
78 hci = hci_layer_get_interface();
79 if (!hci) {
80 APPL_TRACE_ERROR("%s could not get hci layer interface.\n", __func__);
81 return -2;
82 }
83
84 bluedroid_init_done_cb = cb;
85
86 osi_init();
87
88 //Enbale HCI
89 bte_main_enable();
90
91 return 0;
92 }
93
94 /******************************************************************************
95 **
96 ** Function bte_main_shutdown
97 **
98 ** Description BTE MAIN API - Shutdown code for BTE chip/stack
99 **
100 ** Returns None
101 **
102 ******************************************************************************/
bte_main_shutdown(void)103 void bte_main_shutdown(void)
104 {
105 #if (BLE_INCLUDED == TRUE)
106 BTA_VendorCleanup();
107 #endif
108 bte_main_disable();
109
110 osi_deinit();
111 }
112
113 /******************************************************************************
114 **
115 ** Function bte_main_enable
116 **
117 ** Description BTE MAIN API - Creates all the BTE tasks. Should be called
118 ** part of the Bluetooth stack enable sequence
119 **
120 ** Returns None
121 **
122 ******************************************************************************/
bte_main_enable(void)123 static void bte_main_enable(void)
124 {
125 APPL_TRACE_DEBUG("Enable HCI\n");
126 if (hci_start_up()) {
127 APPL_TRACE_ERROR("Start HCI Host Layer Failure\n");
128 return;
129 }
130
131 //Now Test Case Not Supported BTU
132 BTU_StartUp();
133 }
134
135 /******************************************************************************
136 **
137 ** Function bte_main_disable
138 **
139 ** Description BTE MAIN API - Destroys all the BTE tasks. Should be called
140 ** part of the Bluetooth stack disable sequence
141 **
142 ** Returns None
143 **
144 ******************************************************************************/
bte_main_disable(void)145 static void bte_main_disable(void)
146 {
147 /*
148 APPL_TRACE_DEBUG("%s", __FUNCTION__);
149
150 module_shut_down(get_module(HCI_MODULE));
151 module_shut_down(get_module(BTSNOOP_MODULE));
152 */
153
154 hci_shut_down();
155
156 BTU_ShutDown();
157 }
158
159 /******************************************************************************
160 **
161 ** Function bte_main_postload_cfg
162 **
163 ** Description BTE MAIN API - Stack postload configuration
164 **
165 ** Returns None
166 **
167 ******************************************************************************/
bte_main_postload_cfg(void)168 void bte_main_postload_cfg(void)
169 {
170 hci->do_postload();
171 }
172
173 #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE)
174 /******************************************************************************
175 **
176 ** Function bte_main_enable_lpm
177 **
178 ** Description BTE MAIN API - Enable/Disable low power mode operation
179 **
180 ** Returns None
181 **
182 ******************************************************************************/
bte_main_enable_lpm(BOOLEAN enable)183 void bte_main_enable_lpm(BOOLEAN enable)
184 {
185 /*Enable Low power ?*/
186 //hci->send_low_power_command(enable ? LPM_ENABLE : LPM_DISABLE);
187 }
188
189 /******************************************************************************
190 **
191 ** Function bte_main_lpm_allow_bt_device_sleep
192 **
193 ** Description BTE MAIN API - Allow BT controller goest to sleep
194 **
195 ** Returns None
196 **
197 ******************************************************************************/
bte_main_lpm_allow_bt_device_sleep(void)198 void bte_main_lpm_allow_bt_device_sleep(void)
199 {
200 /**/
201 //hci->send_low_power_command(LPM_WAKE_DEASSERT);
202 }
203
204 /******************************************************************************
205 **
206 ** Function bte_main_lpm_wake_bt_device
207 **
208 ** Description BTE MAIN API - Wake BT controller up if it is in sleep mode
209 **
210 ** Returns None
211 **
212 ******************************************************************************/
bte_main_lpm_wake_bt_device(void)213 void bte_main_lpm_wake_bt_device(void)
214 {
215 //hci->send_low_power_command(LPM_WAKE_ASSERT);
216 }
217 #endif // HCILP_INCLUDED
218
219 /******************************************************************************
220 **
221 ** Function bte_main_hci_send
222 **
223 ** Description BTE MAIN API - This function is called by the upper stack to
224 ** send an HCI message. The function displays a protocol trace
225 ** message (if enabled), and then calls the 'transmit' function
226 ** associated with the currently selected HCI transport
227 **
228 ** Returns None
229 **
230 ******************************************************************************/
bte_main_hci_send(BT_HDR * p_msg,UINT16 event)231 void bte_main_hci_send (BT_HDR *p_msg, UINT16 event)
232 {
233 UINT16 sub_event = event & BT_SUB_EVT_MASK; /* local controller ID */
234
235 p_msg->event = event;
236
237 //counter_add("main.tx.packets", 1);
238 //counter_add("main.tx.bytes", p_msg->len);
239
240 if ((sub_event == LOCAL_BR_EDR_CONTROLLER_ID) || \
241 (sub_event == LOCAL_BLE_CONTROLLER_ID)) {
242 hci->transmit_downward(event, p_msg);
243 } else {
244 //APPL_TRACE_ERROR("Invalid Controller ID. Discarding message.");
245 osi_free(p_msg);
246 }
247 }
248
