1 /****************************************************************************** 2 * 3 * Copyright (C) 2003-2012 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 * Routes connection status callbacks from various sub systems to DM 22 * 23 ******************************************************************************/ 24 25 #include <stddef.h> 26 27 #include "bt_common.h" 28 #include "bta_api.h" 29 #include "bta_sys.h" 30 #include "bta_sys_int.h" 31 #include "osi/include/osi.h" 32 #include "utl.h" 33 34 /******************************************************************************* 35 * 36 * Function bta_sys_rm_register 37 * 38 * Description Called by BTA DM to register role management callbacks 39 * 40 * 41 * Returns void 42 * 43 ******************************************************************************/ 44 void bta_sys_rm_register(tBTA_SYS_CONN_CBACK* p_cback) { 45 bta_sys_cb.prm_cb = p_cback; 46 } 47 48 /******************************************************************************* 49 * 50 * Function bta_sys_policy_register 51 * 52 * Description Called by BTA DM to register link policy change callbacks 53 * 54 * 55 * Returns void 56 * 57 ******************************************************************************/ 58 void bta_sys_policy_register(tBTA_SYS_CONN_CBACK* p_cback) { 59 bta_sys_cb.p_policy_cb = p_cback; 60 } 61 62 /******************************************************************************* 63 * 64 * Function bta_sys_role_chg_register 65 * 66 * Description Called by BTA AV to register role change callbacks 67 * 68 * 69 * Returns void 70 * 71 ******************************************************************************/ 72 void bta_sys_role_chg_register(tBTA_SYS_CONN_CBACK* p_cback) { 73 bta_sys_cb.p_role_cb = p_cback; 74 } 75 /******************************************************************************* 76 * 77 * Function bta_sys_ssr_cfg_register 78 * 79 * Description Called by BTA DM to register SSR configuration callback 80 * 81 * 82 * Returns void 83 * 84 ******************************************************************************/ 85 #if (BTM_SSR_INCLUDED == TRUE) 86 void bta_sys_ssr_cfg_register(tBTA_SYS_SSR_CFG_CBACK* p_cback) { 87 bta_sys_cb.p_ssr_cb = p_cback; 88 } 89 #endif 90 /******************************************************************************* 91 * 92 * Function bta_sys_role_chg_register 93 * 94 * Description Called by BTA AV to register role change callbacks 95 * 96 * 97 * Returns void 98 * 99 ******************************************************************************/ 100 void bta_sys_notify_role_chg(BD_ADDR_PTR p_bda, uint8_t new_role, 101 uint8_t hci_status) { 102 if (bta_sys_cb.p_role_cb) { 103 bta_sys_cb.p_role_cb(BTA_SYS_ROLE_CHANGE, new_role, hci_status, p_bda); 104 } 105 } 106 107 /******************************************************************************* 108 * 109 * Function bta_sys_collision_register 110 * 111 * Description Called by any BTA module to register for collision event. 112 * 113 * 114 * Returns void 115 * 116 ******************************************************************************/ 117 void bta_sys_collision_register(uint8_t bta_id, tBTA_SYS_CONN_CBACK* p_cback) { 118 uint8_t index; 119 120 for (index = 0; index < MAX_COLLISION_REG; index++) { 121 if ((bta_sys_cb.colli_reg.id[index] == bta_id) || 122 (bta_sys_cb.colli_reg.id[index] == 0)) { 123 bta_sys_cb.colli_reg.id[index] = bta_id; 124 bta_sys_cb.colli_reg.p_coll_cback[index] = p_cback; 125 return; 126 } 127 } 128 } 129 130 /******************************************************************************* 131 * 132 * Function bta_sys_notify_collision 133 * 134 * Description Called by BTA DM to notify collision event. 135 * 136 * 137 * Returns void 138 * 139 ******************************************************************************/ 140 void bta_sys_notify_collision(BD_ADDR_PTR p_bda) { 141 uint8_t index; 142 143 for (index = 0; index < MAX_COLLISION_REG; index++) { 144 if ((bta_sys_cb.colli_reg.id[index] != 0) && 145 (bta_sys_cb.colli_reg.p_coll_cback[index] != NULL)) { 146 bta_sys_cb.colli_reg.p_coll_cback[index](0, BTA_ID_SYS, 0, p_bda); 147 } 148 } 149 } 150 151 /******************************************************************************* 152 * 153 * Function bta_sys_sco_register 154 * 155 * Description Called by BTA AV to register sco connection change callbacks 156 * 157 * 158 * Returns void 159 * 160 ******************************************************************************/ 161 void bta_sys_sco_register(tBTA_SYS_CONN_CBACK* p_cback) { 162 bta_sys_cb.p_sco_cb = p_cback; 163 } 164 165 /******************************************************************************* 166 * 167 * Function bta_sys_pm_register 168 * 169 * Description Called by BTA DM to register power management callbacks 170 * 171 * 172 * Returns void 173 * 174 ******************************************************************************/ 175 void bta_sys_pm_register(tBTA_SYS_CONN_CBACK* p_cback) { 176 bta_sys_cb.ppm_cb = p_cback; 177 } 178 179 /******************************************************************************* 180 * 181 * Function bta_sys_conn_open 182 * 183 * Description Called by BTA subsystems when a connection is made to 184 * the service 185 * 186 * 187 * Returns void 188 * 189 ******************************************************************************/ 190 void bta_sys_conn_open(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 191 if (bta_sys_cb.prm_cb) { 192 bta_sys_cb.prm_cb(BTA_SYS_CONN_OPEN, id, app_id, peer_addr); 193 } 194 195 if (bta_sys_cb.ppm_cb) { 196 bta_sys_cb.ppm_cb(BTA_SYS_CONN_OPEN, id, app_id, peer_addr); 197 } 198 } 199 200 /******************************************************************************* 201 * 202 * Function bta_sys_conn_close 203 * 204 * Description Called by BTA subsystems when a connection to the service 205 * is closed 206 * 207 * 208 * Returns void 209 * 210 ******************************************************************************/ 211 void bta_sys_conn_close(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 212 if (bta_sys_cb.prm_cb) { 213 bta_sys_cb.prm_cb(BTA_SYS_CONN_CLOSE, id, app_id, peer_addr); 214 } 215 216 if (bta_sys_cb.ppm_cb) { 217 bta_sys_cb.ppm_cb(BTA_SYS_CONN_CLOSE, id, app_id, peer_addr); 218 } 219 } 220 221 /******************************************************************************* 222 * 223 * Function bta_sys_app_open 224 * 225 * Description Called by BTA subsystems when application initiates 226 * connection to a peer device 227 * 228 * 229 * Returns void 230 * 231 ******************************************************************************/ 232 void bta_sys_app_open(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 233 if (bta_sys_cb.ppm_cb) { 234 bta_sys_cb.ppm_cb(BTA_SYS_APP_OPEN, id, app_id, peer_addr); 235 } 236 } 237 238 /******************************************************************************* 239 * 240 * Function bta_sys_app_close 241 * 242 * Description Called by BTA subsystems when application initiates close 243 * of connection to peer device 244 * 245 * Returns void 246 * 247 ******************************************************************************/ 248 void bta_sys_app_close(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 249 if (bta_sys_cb.ppm_cb) { 250 bta_sys_cb.ppm_cb(BTA_SYS_APP_CLOSE, id, app_id, peer_addr); 251 } 252 } 253 254 /******************************************************************************* 255 * 256 * Function bta_sys_sco_open 257 * 258 * Description Called by BTA subsystems when sco connection for that 259 * service is open 260 * 261 * Returns void 262 * 263 ******************************************************************************/ 264 void bta_sys_sco_open(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 265 /* AG triggers p_sco_cb by bta_sys_sco_use. */ 266 if ((id != BTA_ID_AG) && (bta_sys_cb.p_sco_cb)) { 267 /* without querying BTM_GetNumScoLinks() */ 268 bta_sys_cb.p_sco_cb(BTA_SYS_SCO_OPEN, 1, app_id, peer_addr); 269 } 270 271 if (bta_sys_cb.ppm_cb) { 272 bta_sys_cb.ppm_cb(BTA_SYS_SCO_OPEN, id, app_id, peer_addr); 273 } 274 } 275 276 /******************************************************************************* 277 * 278 * Function bta_sys_sco_close 279 * 280 * Description Called by BTA subsystems when sco connection for that 281 * service is closed 282 * 283 * Returns void 284 * 285 ******************************************************************************/ 286 void bta_sys_sco_close(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 287 uint8_t num_sco_links; 288 289 if ((id != BTA_ID_AG) && (bta_sys_cb.p_sco_cb)) { 290 num_sco_links = BTM_GetNumScoLinks(); 291 bta_sys_cb.p_sco_cb(BTA_SYS_SCO_CLOSE, num_sco_links, app_id, peer_addr); 292 } 293 294 if (bta_sys_cb.ppm_cb) { 295 bta_sys_cb.ppm_cb(BTA_SYS_SCO_CLOSE, id, app_id, peer_addr); 296 } 297 } 298 299 /******************************************************************************* 300 * 301 * Function bta_sys_sco_use 302 * 303 * Description Called by BTA subsystems when that service needs to use sco. 304 * 305 * 306 * Returns void 307 * 308 ******************************************************************************/ 309 void bta_sys_sco_use(UNUSED_ATTR uint8_t id, uint8_t app_id, 310 BD_ADDR peer_addr) { 311 /* AV streaming need to be suspended before SCO is connected. */ 312 if (bta_sys_cb.p_sco_cb) { 313 /* without querying BTM_GetNumScoLinks() */ 314 bta_sys_cb.p_sco_cb(BTA_SYS_SCO_OPEN, 1, app_id, peer_addr); 315 } 316 } 317 318 /******************************************************************************* 319 * 320 * Function bta_sys_sco_unuse 321 * 322 * Description Called by BTA subsystems when sco connection for that 323 * service is no longer needed. 324 * 325 * Returns void 326 * 327 ******************************************************************************/ 328 void bta_sys_sco_unuse(UNUSED_ATTR uint8_t id, uint8_t app_id, 329 BD_ADDR peer_addr) { 330 uint8_t num_sco_links; 331 332 if ((bta_sys_cb.p_sco_cb)) { 333 num_sco_links = BTM_GetNumScoLinks(); 334 bta_sys_cb.p_sco_cb(BTA_SYS_SCO_CLOSE, num_sco_links, app_id, peer_addr); 335 } 336 } 337 /******************************************************************************* 338 * 339 * Function bta_sys_chg_ssr_config 340 * 341 * Description Called by BTA subsystems to indicate that the given app SSR 342 * setting needs to be changed. 343 * 344 * Returns void 345 * 346 ******************************************************************************/ 347 #if (BTM_SSR_INCLUDED == TRUE) 348 void bta_sys_chg_ssr_config(uint8_t id, uint8_t app_id, uint16_t max_latency, 349 uint16_t min_tout) { 350 if (bta_sys_cb.p_ssr_cb) { 351 bta_sys_cb.p_ssr_cb(id, app_id, max_latency, min_tout); 352 } 353 } 354 #endif 355 /******************************************************************************* 356 * 357 * Function bta_sys_set_policy 358 * 359 * Description Called by BTA subsystems to indicate that the given link 360 * policy to peer device should be set 361 * 362 * Returns void 363 * 364 ******************************************************************************/ 365 void bta_sys_set_policy(uint8_t id, uint8_t policy, BD_ADDR peer_addr) { 366 if (bta_sys_cb.p_policy_cb) { 367 bta_sys_cb.p_policy_cb(BTA_SYS_PLCY_SET, id, policy, peer_addr); 368 } 369 } 370 371 /******************************************************************************* 372 * 373 * Function bta_sys_clear_policy 374 * 375 * Description Called by BTA subsystems to indicate that the given link 376 * policy to peer device should be clear 377 * 378 * Returns void 379 * 380 ******************************************************************************/ 381 void bta_sys_clear_policy(uint8_t id, uint8_t policy, BD_ADDR peer_addr) { 382 if (bta_sys_cb.p_policy_cb) { 383 bta_sys_cb.p_policy_cb(BTA_SYS_PLCY_CLR, id, policy, peer_addr); 384 } 385 } 386 387 /******************************************************************************* 388 * 389 * Function bta_sys_set_default_policy 390 * 391 * Description Called by BTA subsystems to indicate that the given default 392 * link policy should be set 393 * 394 * Returns void 395 * 396 ******************************************************************************/ 397 void bta_sys_set_default_policy(uint8_t id, uint8_t policy) { 398 if (bta_sys_cb.p_policy_cb) { 399 bta_sys_cb.p_policy_cb(BTA_SYS_PLCY_DEF_SET, id, policy, NULL); 400 } 401 } 402 403 /******************************************************************************* 404 * 405 * Function bta_sys_clear_default_policy 406 * 407 * Description Called by BTA subsystems to indicate that the given default 408 * link policy should be clear 409 * 410 * Returns void 411 * 412 ******************************************************************************/ 413 void bta_sys_clear_default_policy(uint8_t id, uint8_t policy) { 414 if (bta_sys_cb.p_policy_cb) { 415 bta_sys_cb.p_policy_cb(BTA_SYS_PLCY_DEF_CLR, id, policy, NULL); 416 } 417 } 418 419 /******************************************************************************* 420 * 421 * Function bta_sys_idle 422 * 423 * Description Called by BTA subsystems to indicate that the connection to 424 * peer device is idle 425 * 426 * Returns void 427 * 428 ******************************************************************************/ 429 void bta_sys_idle(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 430 if (bta_sys_cb.prm_cb) { 431 bta_sys_cb.prm_cb(BTA_SYS_CONN_IDLE, id, app_id, peer_addr); 432 } 433 434 if (bta_sys_cb.ppm_cb) { 435 bta_sys_cb.ppm_cb(BTA_SYS_CONN_IDLE, id, app_id, peer_addr); 436 } 437 } 438 439 /******************************************************************************* 440 * 441 * Function bta_sys_busy 442 * 443 * Description Called by BTA subsystems to indicate that the connection to 444 * peer device is busy 445 * 446 * Returns void 447 * 448 ******************************************************************************/ 449 void bta_sys_busy(uint8_t id, uint8_t app_id, BD_ADDR peer_addr) { 450 if (bta_sys_cb.prm_cb) { 451 bta_sys_cb.prm_cb(BTA_SYS_CONN_BUSY, id, app_id, peer_addr); 452 } 453 454 if (bta_sys_cb.ppm_cb) { 455 bta_sys_cb.ppm_cb(BTA_SYS_CONN_BUSY, id, app_id, peer_addr); 456 } 457 } 458 459 #if (BTA_EIR_CANNED_UUID_LIST != TRUE) 460 /******************************************************************************* 461 * 462 * Function bta_sys_eir_register 463 * 464 * Description Called by BTA DM to register EIR utility function that can 465 * be used by the other BTA modules to add/remove UUID. 466 * 467 * Returns void 468 * 469 ******************************************************************************/ 470 void bta_sys_eir_register(tBTA_SYS_EIR_CBACK* p_cback) { 471 bta_sys_cb.eir_cb = p_cback; 472 } 473 474 /******************************************************************************* 475 * 476 * Function bta_sys_add_uuid 477 * 478 * Description Called by BTA subsystems to indicate to DM that new service 479 * class UUID is added. 480 * 481 * Returns void 482 * 483 ******************************************************************************/ 484 void bta_sys_add_uuid(uint16_t uuid16) { 485 if (bta_sys_cb.eir_cb) { 486 bta_sys_cb.eir_cb(uuid16, true); 487 } 488 } 489 490 /******************************************************************************* 491 * 492 * Function bta_sys_remove_uuid 493 * 494 * Description Called by BTA subsystems to indicate to DM that the service 495 * class UUID is removed. 496 * 497 * Returns void 498 * 499 ******************************************************************************/ 500 void bta_sys_remove_uuid(uint16_t uuid16) { 501 if (bta_sys_cb.eir_cb) { 502 bta_sys_cb.eir_cb(uuid16, false); 503 } 504 } 505 #endif 506