The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 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 | ******************************************************************************/ |
Sharvil Nanavati | 4480276 | 2014-12-23 23:08:58 -0800 | [diff] [blame^] | 26 | |
| 27 | #define LOG_TAG "bt_main" |
| 28 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 29 | #include <assert.h> |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 30 | #include <cutils/properties.h> |
| 31 | #include <fcntl.h> |
| 32 | #include <hardware/bluetooth.h> |
Chris Manton | 1802329 | 2014-08-29 09:12:06 -0700 | [diff] [blame] | 33 | #include <pthread.h> |
YK Jeffrey Chao | 48ebe2c | 2013-04-24 11:38:06 -0700 | [diff] [blame] | 34 | #include <signal.h> |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 35 | #include <stdlib.h> |
YK Jeffrey Chao | 48ebe2c | 2013-04-24 11:38:06 -0700 | [diff] [blame] | 36 | #include <time.h> |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 37 | |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 38 | #include "alarm.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 39 | #include "bta_api.h" |
Matthew Xie | 66432dc | 2014-04-27 05:45:32 -0700 | [diff] [blame] | 40 | #include "bt_hci_bdroid.h" |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 41 | #include "bte.h" |
Chris Manton | 0eefef0 | 2014-09-08 15:01:39 -0700 | [diff] [blame] | 42 | #include "btif_common.h" |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 43 | #include "btu.h" |
Zach Johnson | 733a06e | 2014-09-08 18:31:39 -0700 | [diff] [blame] | 44 | #include "btsnoop.h" |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 45 | #include "bt_utils.h" |
Chris Manton | 78a51cb | 2014-08-13 16:38:57 -0700 | [diff] [blame] | 46 | #include "counter.h" |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 47 | #include "fixed_queue.h" |
Chris Manton | 307381e | 2014-09-04 19:48:49 -0700 | [diff] [blame] | 48 | #include "future.h" |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 49 | #include "gki.h" |
Chris Manton | 1802329 | 2014-08-29 09:12:06 -0700 | [diff] [blame] | 50 | #include "hash_functions.h" |
| 51 | #include "hash_map.h" |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 52 | #include "hci_layer.h" |
Zach Johnson | 9891f32 | 2014-09-22 22:11:55 -0700 | [diff] [blame] | 53 | #include "module.h" |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 54 | #include "osi.h" |
Sharvil Nanavati | 4480276 | 2014-12-23 23:08:58 -0800 | [diff] [blame^] | 55 | #include "osi/include/log.h" |
Zach Johnson | 9891f32 | 2014-09-22 22:11:55 -0700 | [diff] [blame] | 56 | #include "stack_config.h" |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 57 | #include "thread.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 58 | |
| 59 | /******************************************************************************* |
| 60 | ** Constants & Macros |
| 61 | *******************************************************************************/ |
| 62 | |
Prerepa Viswanadham | 4c94c5f | 2014-07-18 15:20:54 -0700 | [diff] [blame] | 63 | /* Run-time configuration file for BLE*/ |
| 64 | #ifndef BTE_BLE_STACK_CONF_FILE |
| 65 | #define BTE_BLE_STACK_CONF_FILE "/etc/bluetooth/ble_stack.conf" |
| 66 | #endif |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 67 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 68 | /****************************************************************************** |
| 69 | ** Variables |
| 70 | ******************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 71 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 72 | /******************************************************************************* |
| 73 | ** Static variables |
| 74 | *******************************************************************************/ |
Zach Johnson | bf8193b | 2014-09-08 09:56:35 -0700 | [diff] [blame] | 75 | static const hci_t *hci; |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 76 | |
| 77 | /******************************************************************************* |
| 78 | ** Static functions |
| 79 | *******************************************************************************/ |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 80 | |
| 81 | /******************************************************************************* |
| 82 | ** Externs |
| 83 | *******************************************************************************/ |
Prerepa Viswanadham | 4c94c5f | 2014-07-18 15:20:54 -0700 | [diff] [blame] | 84 | extern void bte_load_ble_conf(const char *p_path); |
Chris Manton | 307381e | 2014-09-04 19:48:49 -0700 | [diff] [blame] | 85 | fixed_queue_t *btu_hci_msg_queue; |
| 86 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 87 | /****************************************************************************** |
| 88 | ** |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 89 | ** Function bte_main_boot_entry |
| 90 | ** |
| 91 | ** Description BTE MAIN API - Entry point for BTE chip/stack initialization |
| 92 | ** |
| 93 | ** Returns None |
| 94 | ** |
| 95 | ******************************************************************************/ |
| 96 | void bte_main_boot_entry(void) |
| 97 | { |
Zach Johnson | 3e130f3 | 2014-09-23 20:25:47 -0700 | [diff] [blame] | 98 | module_init(get_module(GKI_MODULE)); |
Chris Manton | 78a51cb | 2014-08-13 16:38:57 -0700 | [diff] [blame] | 99 | module_init(get_module(COUNTER_MODULE)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 100 | |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 101 | hci = hci_layer_get_interface(); |
| 102 | if (!hci) |
Sharvil Nanavati | 4480276 | 2014-12-23 23:08:58 -0800 | [diff] [blame^] | 103 | LOG_ERROR("%s could not get hci layer interface.", __func__); |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 104 | |
Chris Manton | 307381e | 2014-09-04 19:48:49 -0700 | [diff] [blame] | 105 | btu_hci_msg_queue = fixed_queue_new(SIZE_MAX); |
| 106 | if (btu_hci_msg_queue == NULL) { |
Sharvil Nanavati | 4480276 | 2014-12-23 23:08:58 -0800 | [diff] [blame^] | 107 | LOG_ERROR("%s unable to allocate hci message queue.", __func__); |
Chris Manton | 307381e | 2014-09-04 19:48:49 -0700 | [diff] [blame] | 108 | return; |
| 109 | } |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 110 | |
Chris Manton | 307381e | 2014-09-04 19:48:49 -0700 | [diff] [blame] | 111 | data_dispatcher_register_default(hci->upward_dispatcher, btu_hci_msg_queue); |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 112 | |
Prerepa Viswanadham | 4c94c5f | 2014-07-18 15:20:54 -0700 | [diff] [blame] | 113 | #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE)) |
| 114 | bte_load_ble_conf(BTE_BLE_STACK_CONF_FILE); |
| 115 | #endif |
Zach Johnson | 9891f32 | 2014-09-22 22:11:55 -0700 | [diff] [blame] | 116 | module_init(get_module(STACK_CONFIG_MODULE)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | /****************************************************************************** |
| 120 | ** |
| 121 | ** Function bte_main_shutdown |
| 122 | ** |
| 123 | ** Description BTE MAIN API - Shutdown code for BTE chip/stack |
| 124 | ** |
| 125 | ** Returns None |
| 126 | ** |
| 127 | ******************************************************************************/ |
| 128 | void bte_main_shutdown() |
| 129 | { |
Zach Johnson | 733a06e | 2014-09-08 18:31:39 -0700 | [diff] [blame] | 130 | data_dispatcher_register_default(hci_layer_get_interface()->upward_dispatcher, NULL); |
Chris Manton | 307381e | 2014-09-04 19:48:49 -0700 | [diff] [blame] | 131 | fixed_queue_free(btu_hci_msg_queue, NULL); |
Zach Johnson | 733a06e | 2014-09-08 18:31:39 -0700 | [diff] [blame] | 132 | |
Chris Manton | 307381e | 2014-09-04 19:48:49 -0700 | [diff] [blame] | 133 | btu_hci_msg_queue = NULL; |
Sharvil Nanavati | 14a559a | 2014-07-25 22:20:46 -0700 | [diff] [blame] | 134 | |
Zach Johnson | 9891f32 | 2014-09-22 22:11:55 -0700 | [diff] [blame] | 135 | module_clean_up(get_module(STACK_CONFIG_MODULE)); |
| 136 | |
Chris Manton | 78a51cb | 2014-08-13 16:38:57 -0700 | [diff] [blame] | 137 | module_clean_up(get_module(COUNTER_MODULE)); |
Zach Johnson | 3e130f3 | 2014-09-23 20:25:47 -0700 | [diff] [blame] | 138 | module_clean_up(get_module(GKI_MODULE)); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | /****************************************************************************** |
| 142 | ** |
| 143 | ** Function bte_main_enable |
| 144 | ** |
| 145 | ** Description BTE MAIN API - Creates all the BTE tasks. Should be called |
| 146 | ** part of the Bluetooth stack enable sequence |
| 147 | ** |
| 148 | ** Returns None |
| 149 | ** |
| 150 | ******************************************************************************/ |
YK Jeffrey Chao | 48ebe2c | 2013-04-24 11:38:06 -0700 | [diff] [blame] | 151 | void bte_main_enable() |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 152 | { |
Sharvil Nanavati | e8c3d75 | 2014-05-04 10:12:26 -0700 | [diff] [blame] | 153 | APPL_TRACE_DEBUG("%s", __FUNCTION__); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 154 | |
Zach Johnson | 9891f32 | 2014-09-22 22:11:55 -0700 | [diff] [blame] | 155 | module_start_up(get_module(BTSNOOP_MODULE)); |
Zach Johnson | 093948a | 2014-09-23 18:30:45 -0700 | [diff] [blame] | 156 | module_start_up(get_module(HCI_MODULE)); |
| 157 | |
| 158 | BTU_StartUp(); |
YK Jeffrey Chao | 48ebe2c | 2013-04-24 11:38:06 -0700 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | /****************************************************************************** |
| 162 | ** |
| 163 | ** Function bte_main_disable |
| 164 | ** |
| 165 | ** Description BTE MAIN API - Destroys all the BTE tasks. Should be called |
| 166 | ** part of the Bluetooth stack disable sequence |
| 167 | ** |
| 168 | ** Returns None |
| 169 | ** |
| 170 | ******************************************************************************/ |
| 171 | void bte_main_disable(void) |
| 172 | { |
Sharvil Nanavati | e8c3d75 | 2014-05-04 10:12:26 -0700 | [diff] [blame] | 173 | APPL_TRACE_DEBUG("%s", __FUNCTION__); |
YK Jeffrey Chao | 48ebe2c | 2013-04-24 11:38:06 -0700 | [diff] [blame] | 174 | |
Zach Johnson | 093948a | 2014-09-23 18:30:45 -0700 | [diff] [blame] | 175 | module_shut_down(get_module(HCI_MODULE)); |
Zach Johnson | 9891f32 | 2014-09-22 22:11:55 -0700 | [diff] [blame] | 176 | module_shut_down(get_module(BTSNOOP_MODULE)); |
Zach Johnson | 733a06e | 2014-09-08 18:31:39 -0700 | [diff] [blame] | 177 | |
Sharvil Nanavati | f79d286 | 2014-09-06 16:16:19 -0700 | [diff] [blame] | 178 | BTU_ShutDown(); |
YK Jeffrey Chao | 48ebe2c | 2013-04-24 11:38:06 -0700 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | /****************************************************************************** |
| 182 | ** |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 183 | ** Function bte_main_postload_cfg |
| 184 | ** |
| 185 | ** Description BTE MAIN API - Stack postload configuration |
| 186 | ** |
| 187 | ** Returns None |
| 188 | ** |
| 189 | ******************************************************************************/ |
| 190 | void bte_main_postload_cfg(void) |
| 191 | { |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 192 | hci->do_postload(); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 193 | } |
| 194 | |
| 195 | #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) |
| 196 | /****************************************************************************** |
| 197 | ** |
| 198 | ** Function bte_main_enable_lpm |
| 199 | ** |
| 200 | ** Description BTE MAIN API - Enable/Disable low power mode operation |
| 201 | ** |
| 202 | ** Returns None |
| 203 | ** |
| 204 | ******************************************************************************/ |
| 205 | void bte_main_enable_lpm(BOOLEAN enable) |
| 206 | { |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 207 | hci->send_low_power_command(enable ? LPM_ENABLE : LPM_DISABLE); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | /****************************************************************************** |
| 211 | ** |
| 212 | ** Function bte_main_lpm_allow_bt_device_sleep |
| 213 | ** |
| 214 | ** Description BTE MAIN API - Allow BT controller goest to sleep |
| 215 | ** |
| 216 | ** Returns None |
| 217 | ** |
| 218 | ******************************************************************************/ |
| 219 | void bte_main_lpm_allow_bt_device_sleep() |
| 220 | { |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 221 | hci->send_low_power_command(LPM_WAKE_DEASSERT); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | /****************************************************************************** |
| 225 | ** |
| 226 | ** Function bte_main_lpm_wake_bt_device |
| 227 | ** |
| 228 | ** Description BTE MAIN API - Wake BT controller up if it is in sleep mode |
| 229 | ** |
| 230 | ** Returns None |
| 231 | ** |
| 232 | ******************************************************************************/ |
| 233 | void bte_main_lpm_wake_bt_device() |
| 234 | { |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 235 | hci->send_low_power_command(LPM_WAKE_ASSERT); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 236 | } |
| 237 | #endif // HCILP_INCLUDED |
| 238 | |
Matthew Xie | 66432dc | 2014-04-27 05:45:32 -0700 | [diff] [blame] | 239 | |
| 240 | /* NOTICE: |
| 241 | * Definitions for audio state structure, this type needs to match to |
| 242 | * the bt_vendor_op_audio_state_t type defined in bt_vendor_lib.h |
| 243 | */ |
| 244 | typedef struct { |
| 245 | UINT16 handle; |
| 246 | UINT16 peer_codec; |
| 247 | UINT16 state; |
| 248 | } bt_hc_audio_state_t; |
| 249 | |
| 250 | struct bt_audio_state_tag { |
| 251 | BT_HDR hdr; |
| 252 | bt_hc_audio_state_t audio; |
| 253 | }; |
| 254 | |
| 255 | /****************************************************************************** |
| 256 | ** |
| 257 | ** Function set_audio_state |
| 258 | ** |
| 259 | ** Description Sets audio state on controller state for SCO (PCM, WBS, FM) |
| 260 | ** |
| 261 | ** Parameters handle: codec related handle for SCO: sco cb idx, unused for |
| 262 | ** codec: BTA_AG_CODEC_MSBC, BTA_AG_CODEC_CSVD or FM codec |
| 263 | ** state: codec state, eg. BTA_AG_CO_AUD_STATE_SETUP |
| 264 | ** param: future extensions, e.g. call-in structure/event. |
| 265 | ** |
| 266 | ** Returns None |
| 267 | ** |
| 268 | ******************************************************************************/ |
| 269 | int set_audio_state(UINT16 handle, UINT16 codec, UINT8 state, void *param) |
| 270 | { |
| 271 | struct bt_audio_state_tag *p_msg; |
| 272 | int result = -1; |
| 273 | |
| 274 | APPL_TRACE_API("set_audio_state(handle: %d, codec: 0x%x, state: %d)", handle, |
| 275 | codec, state); |
| 276 | if (NULL != param) |
| 277 | APPL_TRACE_WARNING("set_audio_state() non-null param not supported"); |
| 278 | p_msg = (struct bt_audio_state_tag *)GKI_getbuf(sizeof(*p_msg)); |
| 279 | if (!p_msg) |
| 280 | return result; |
| 281 | p_msg->audio.handle = handle; |
| 282 | p_msg->audio.peer_codec = codec; |
| 283 | p_msg->audio.state = state; |
| 284 | |
| 285 | p_msg->hdr.event = MSG_CTRL_TO_HC_CMD | (MSG_SUB_EVT_MASK & BT_HC_AUDIO_STATE); |
| 286 | p_msg->hdr.len = sizeof(p_msg->audio); |
| 287 | p_msg->hdr.offset = 0; |
| 288 | /* layer_specific shall contain return path event! for BTA events! |
| 289 | * 0 means no return message is expected. */ |
| 290 | p_msg->hdr.layer_specific = 0; |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 291 | hci->transmit_downward(MSG_STACK_TO_HC_HCI_CMD, p_msg); |
Matthew Xie | 66432dc | 2014-04-27 05:45:32 -0700 | [diff] [blame] | 292 | return result; |
| 293 | } |
| 294 | |
| 295 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 296 | /****************************************************************************** |
| 297 | ** |
| 298 | ** Function bte_main_hci_send |
| 299 | ** |
| 300 | ** Description BTE MAIN API - This function is called by the upper stack to |
| 301 | ** send an HCI message. The function displays a protocol trace |
| 302 | ** message (if enabled), and then calls the 'transmit' function |
| 303 | ** associated with the currently selected HCI transport |
| 304 | ** |
| 305 | ** Returns None |
| 306 | ** |
| 307 | ******************************************************************************/ |
| 308 | void bte_main_hci_send (BT_HDR *p_msg, UINT16 event) |
| 309 | { |
| 310 | UINT16 sub_event = event & BT_SUB_EVT_MASK; /* local controller ID */ |
| 311 | |
| 312 | p_msg->event = event; |
| 313 | |
Chris Manton | 78a51cb | 2014-08-13 16:38:57 -0700 | [diff] [blame] | 314 | counter_add("main.tx.packets", 1); |
| 315 | counter_add("main.tx.bytes", p_msg->len); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 316 | |
| 317 | if((sub_event == LOCAL_BR_EDR_CONTROLLER_ID) || \ |
| 318 | (sub_event == LOCAL_BLE_CONTROLLER_ID)) |
| 319 | { |
Zach Johnson | fbbd42b | 2014-08-15 17:00:17 -0700 | [diff] [blame] | 320 | hci->transmit_downward(event, p_msg); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 321 | } |
| 322 | else |
| 323 | { |
Sharvil Nanavati | e8c3d75 | 2014-05-04 10:12:26 -0700 | [diff] [blame] | 324 | APPL_TRACE_ERROR("Invalid Controller ID. Discarding message."); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 325 | GKI_freebuf(p_msg); |
| 326 | } |
| 327 | } |