1 /****************************************************************************** 2 * 3 * Copyright (C) 2002-2012 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 #ifndef BTA_HH_API_H 19 #define BTA_HH_API_H 20 21 #include "bta_api.h" 22 #include "hidh_api.h" 23 24 #if (BTA_HH_LE_INCLUDED == TRUE) 25 #include "gatt_api.h" 26 #endif 27 28 /***************************************************************************** 29 * Constants and Type Definitions 30 ****************************************************************************/ 31 #ifndef BTA_HH_DEBUG 32 #define BTA_HH_DEBUG TRUE 33 #endif 34 35 #ifndef BTA_HH_SSR_MAX_LATENCY_DEF 36 #define BTA_HH_SSR_MAX_LATENCY_DEF 800 /* 500 ms*/ 37 #endif 38 39 #ifndef BTA_HH_SSR_MIN_TOUT_DEF 40 #define BTA_HH_SSR_MIN_TOUT_DEF 2 41 #endif 42 43 /* BTA HID Host callback events */ 44 #define BTA_HH_ENABLE_EVT 0 /* HH enabled */ 45 #define BTA_HH_DISABLE_EVT 1 /* HH disabled */ 46 #define BTA_HH_OPEN_EVT 2 /* connection opened */ 47 #define BTA_HH_CLOSE_EVT 3 /* connection closed */ 48 #define BTA_HH_GET_RPT_EVT 4 /* BTA_HhGetReport callback */ 49 #define BTA_HH_SET_RPT_EVT 5 /* BTA_HhSetReport callback */ 50 #define BTA_HH_GET_PROTO_EVT 6 /* BTA_GetProtoMode callback */ 51 #define BTA_HH_SET_PROTO_EVT 7 /* BTA_HhSetProtoMode callback */ 52 #define BTA_HH_GET_IDLE_EVT 8 /* BTA_HhGetIdle comes callback */ 53 #define BTA_HH_SET_IDLE_EVT 9 /* BTA_HhSetIdle finish callback */ 54 #define BTA_HH_GET_DSCP_EVT 10 /* Get report descriptor */ 55 #define BTA_HH_ADD_DEV_EVT 11 /* Add Device callback */ 56 #define BTA_HH_RMV_DEV_EVT 12 /* remove device finished */ 57 #define BTA_HH_VC_UNPLUG_EVT 13 /* virtually unplugged */ 58 #define BTA_HH_DATA_EVT 15 59 #define BTA_HH_API_ERR_EVT 16 /* API error is caught */ 60 #define BTA_HH_UPDATE_SCPP_EVT 17 /* update scan paramter complete */ 61 62 typedef uint16_t tBTA_HH_EVT; 63 64 /* application ID(none-zero) for each type of device */ 65 #define BTA_HH_APP_ID_MI 1 66 #define BTA_HH_APP_ID_KB 2 67 #define BTA_HH_APP_ID_RMC 3 68 #define BTA_HH_APP_ID_3DSG 4 69 #define BTA_HH_APP_ID_JOY 5 70 #define BTA_HH_APP_ID_GPAD 6 71 #define BTA_HH_APP_ID_LE 0xff 72 73 /* defined the minimum offset */ 74 #define BTA_HH_MIN_OFFSET (L2CAP_MIN_OFFSET + 1) 75 76 /* HID_HOST_MAX_DEVICES can not exceed 15 for th design of BTA HH */ 77 #define BTA_HH_IDX_INVALID 0xff 78 #define BTA_HH_MAX_KNOWN HID_HOST_MAX_DEVICES 79 80 #if (BTA_HH_LE_INCLUDED == TRUE) 81 /* GATT_MAX_PHY_CHANNEL can not exceed 14 for the design of BTA HH */ 82 #define BTA_HH_LE_MAX_KNOWN GATT_MAX_PHY_CHANNEL 83 #define BTA_HH_MAX_DEVICE (HID_HOST_MAX_DEVICES + GATT_MAX_PHY_CHANNEL) 84 #else 85 #define BTA_HH_MAX_DEVICE HID_HOST_MAX_DEVICES 86 #endif 87 /* invalid device handle */ 88 #define BTA_HH_INVALID_HANDLE 0xff 89 90 /* type of protocol mode */ 91 #define BTA_HH_PROTO_RPT_MODE (0x00) 92 #define BTA_HH_PROTO_BOOT_MODE (0x01) 93 #define BTA_HH_PROTO_UNKNOWN (0xff) 94 typedef uint8_t tBTA_HH_PROTO_MODE; 95 96 enum { BTA_HH_KEYBD_RPT_ID = 1, BTA_HH_MOUSE_RPT_ID }; 97 typedef uint8_t tBTA_HH_BOOT_RPT_ID; 98 99 /* type of devices, bit mask */ 100 #define BTA_HH_DEVT_UNKNOWN 0x00 101 #define BTA_HH_DEVT_JOS 0x01 /* joy stick */ 102 #define BTA_HH_DEVT_GPD 0x02 /* game pad */ 103 #define BTA_HH_DEVT_RMC 0x03 /* remote control */ 104 #define BTA_HH_DEVT_SED 0x04 /* sensing device */ 105 #define BTA_HH_DEVT_DGT 0x05 /* Digitizer tablet */ 106 #define BTA_HH_DEVT_CDR 0x06 /* card reader */ 107 #define BTA_HH_DEVT_KBD 0x10 /* keyboard */ 108 #define BTA_HH_DEVT_MIC 0x20 /* pointing device */ 109 #define BTA_HH_DEVT_COM 0x30 /* Combo keyboard/pointing */ 110 #define BTA_HH_DEVT_OTHER 0x80 111 typedef uint8_t tBTA_HH_DEVT; 112 113 enum { 114 BTA_HH_OK, 115 BTA_HH_HS_HID_NOT_READY, /* handshake error : device not ready */ 116 BTA_HH_HS_INVALID_RPT_ID, /* handshake error : invalid report ID */ 117 BTA_HH_HS_TRANS_NOT_SPT, /* handshake error : transaction not spt */ 118 BTA_HH_HS_INVALID_PARAM, /* handshake error : invalid paremter */ 119 BTA_HH_HS_ERROR, /* handshake error : unspecified HS error */ 120 BTA_HH_ERR, /* general BTA HH error */ 121 BTA_HH_ERR_SDP, /* SDP error */ 122 BTA_HH_ERR_PROTO, /* SET_Protocol error, 123 only used in BTA_HH_OPEN_EVT callback */ 124 125 BTA_HH_ERR_DB_FULL, /* device database full error, used in 126 BTA_HH_OPEN_EVT/BTA_HH_ADD_DEV_EVT */ 127 BTA_HH_ERR_TOD_UNSPT, /* type of device not supported */ 128 BTA_HH_ERR_NO_RES, /* out of system resources */ 129 BTA_HH_ERR_AUTH_FAILED, /* authentication fail */ 130 BTA_HH_ERR_HDL, 131 BTA_HH_ERR_SEC 132 }; 133 typedef uint8_t tBTA_HH_STATUS; 134 135 #define BTA_HH_VIRTUAL_CABLE HID_VIRTUAL_CABLE 136 #define BTA_HH_NORMALLY_CONNECTABLE HID_NORMALLY_CONNECTABLE 137 #define BTA_HH_RECONN_INIT HID_RECONN_INIT 138 #define BTA_HH_SDP_DISABLE HID_SDP_DISABLE 139 #define BTA_HH_BATTERY_POWER HID_BATTERY_POWER 140 #define BTA_HH_REMOTE_WAKE HID_REMOTE_WAKE 141 #define BTA_HH_SUP_TOUT_AVLBL HID_SUP_TOUT_AVLBL 142 #define BTA_HH_SEC_REQUIRED HID_SEC_REQUIRED 143 typedef uint16_t tBTA_HH_ATTR_MASK; 144 145 /* supported type of device and corresponding application ID */ 146 typedef struct { 147 tBTA_HH_DEVT tod; /* type of device */ 148 uint8_t app_id; /* corresponding application ID */ 149 } tBTA_HH_SPT_TOD; 150 151 /* configuration struct */ 152 typedef struct { 153 uint8_t max_devt_spt; /* max number of types of devices spt */ 154 tBTA_HH_SPT_TOD* p_devt_list; /* supported types of device list */ 155 uint16_t sdp_db_size; 156 } tBTA_HH_CFG; 157 158 enum { 159 BTA_HH_RPTT_RESRV, /* reserved */ 160 BTA_HH_RPTT_INPUT, /* input report */ 161 BTA_HH_RPTT_OUTPUT, /* output report */ 162 BTA_HH_RPTT_FEATURE /* feature report */ 163 }; 164 typedef uint8_t tBTA_HH_RPT_TYPE; 165 166 /* HID_CONTROL operation code used in BTA_HhSendCtrl() 167 */ 168 enum { 169 BTA_HH_CTRL_NOP = 0 + HID_PAR_CONTROL_NOP, /* mapping from BTE */ 170 BTA_HH_CTRL_HARD_RESET, /* hard reset */ 171 BTA_HH_CTRL_SOFT_RESET, /* soft reset */ 172 BTA_HH_CTRL_SUSPEND, /* enter suspend */ 173 BTA_HH_CTRL_EXIT_SUSPEND, /* exit suspend */ 174 BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG /* virtual unplug */ 175 }; 176 typedef uint8_t tBTA_HH_TRANS_CTRL_TYPE; 177 178 typedef tHID_DEV_DSCP_INFO tBTA_HH_DEV_DESCR; 179 180 #define BTA_HH_SSR_PARAM_INVALID HID_SSR_PARAM_INVALID 181 182 /* id DI is not existing in remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO 183 * will be set to 0xffff */ 184 #define BTA_HH_VENDOR_ID_INVALID 0xffff 185 186 /* report descriptor information */ 187 typedef struct { 188 uint16_t vendor_id; /* vendor ID */ 189 uint16_t product_id; /* product ID */ 190 uint16_t version; /* version */ 191 uint16_t ssr_max_latency; /* SSR max latency, BTA_HH_SSR_PARAM_INVALID if 192 unknown */ 193 uint16_t 194 ssr_min_tout; /* SSR min timeout, BTA_HH_SSR_PARAM_INVALID if unknown */ 195 uint8_t ctry_code; /*Country Code.*/ 196 #if (BTA_HH_LE_INCLUDED == TRUE) 197 #define BTA_HH_LE_REMOTE_WAKE 0x01 198 #define BTA_HH_LE_NORMAL_CONN 0x02 199 200 uint8_t flag; 201 #endif 202 tBTA_HH_DEV_DESCR descriptor; 203 } tBTA_HH_DEV_DSCP_INFO; 204 205 /* callback event data for BTA_HH_OPEN_EVT */ 206 typedef struct { 207 BD_ADDR bda; /* HID device bd address */ 208 tBTA_HH_STATUS status; /* operation status */ 209 uint8_t handle; /* device handle */ 210 #if (BTA_HH_LE_INCLUDED == TRUE) 211 bool le_hid; /* is LE devices? */ 212 bool scps_supported; /* scan parameter service supported */ 213 #endif 214 215 } tBTA_HH_CONN; 216 217 typedef tBTA_HH_CONN tBTA_HH_DEV_INFO; 218 219 /* callback event data */ 220 typedef struct { 221 tBTA_HH_STATUS status; /* operation status */ 222 uint8_t handle; /* device handle */ 223 } tBTA_HH_CBDATA; 224 225 enum { 226 BTA_HH_MOD_CTRL_KEY, 227 BTA_HH_MOD_SHFT_KEY, 228 BTA_HH_MOD_ALT_KEY, 229 BTA_HH_MOD_GUI_KEY, 230 BTA_HH_MOD_MAX_KEY 231 }; 232 233 /* parsed boot mode keyboard report */ 234 typedef struct { 235 uint8_t this_char[6]; /* virtual key code */ 236 bool mod_key[BTA_HH_MOD_MAX_KEY]; 237 /* ctrl, shift, Alt, GUI */ 238 /* modifier key: is Shift key pressed */ 239 /* modifier key: is Ctrl key pressed */ 240 /* modifier key: is Alt key pressed */ 241 /* modifier key: GUI up/down */ 242 bool caps_lock; /* is caps locked */ 243 bool num_lock; /* is Num key pressed */ 244 } tBTA_HH_KEYBD_RPT; 245 246 /* parsed boot mode mouse report */ 247 typedef struct { 248 uint8_t mouse_button; /* mouse button is clicked */ 249 int8_t delta_x; /* displacement x */ 250 int8_t delta_y; /* displacement y */ 251 } tBTA_HH_MICE_RPT; 252 253 /* parsed Boot report */ 254 typedef struct { 255 tBTA_HH_BOOT_RPT_ID dev_type; /* type of device report */ 256 union { 257 tBTA_HH_KEYBD_RPT keybd_rpt; /* keyboard report */ 258 tBTA_HH_MICE_RPT mice_rpt; /* mouse report */ 259 } data_rpt; 260 } tBTA_HH_BOOT_RPT; 261 262 /* handshake data */ 263 typedef struct { 264 tBTA_HH_STATUS status; /* handshake status */ 265 uint8_t handle; /* device handle */ 266 union { 267 tBTA_HH_PROTO_MODE proto_mode; /* GET_PROTO_EVT :protocol mode */ 268 BT_HDR* p_rpt_data; /* GET_RPT_EVT : report data */ 269 uint8_t idle_rate; /* GET_IDLE_EVT : idle rate */ 270 } rsp_data; 271 272 } tBTA_HH_HSDATA; 273 274 /* union of data associated with HD callback */ 275 typedef union { 276 tBTA_HH_DEV_INFO dev_info; /* BTA_HH_ADD_DEV_EVT, BTA_HH_RMV_DEV_EVT */ 277 tBTA_HH_CONN conn; /* BTA_HH_OPEN_EVT */ 278 tBTA_HH_CBDATA dev_status; /* BTA_HH_CLOSE_EVT, 279 BTA_HH_SET_PROTO_EVT 280 BTA_HH_SET_RPT_EVT 281 BTA_HH_SET_IDLE_EVT 282 BTA_HH_UPDATE_SCPP_EVT */ 283 284 tBTA_HH_STATUS status; /* BTA_HH_ENABLE_EVT */ 285 tBTA_HH_DEV_DSCP_INFO dscp_info; /* BTA_HH_GET_DSCP_EVT */ 286 tBTA_HH_HSDATA hs_data; /* GET_ transaction callback 287 BTA_HH_GET_RPT_EVT 288 BTA_HH_GET_PROTO_EVT 289 BTA_HH_GET_IDLE_EVT */ 290 } tBTA_HH; 291 292 /* BTA HH callback function */ 293 typedef void(tBTA_HH_CBACK)(tBTA_HH_EVT event, tBTA_HH* p_data); 294 295 /***************************************************************************** 296 * External Function Declarations 297 ****************************************************************************/ 298 299 /******************************************************************************* 300 * 301 * Function BTA_HhRegister 302 * 303 * Description This function enable HID host and registers HID-Host with 304 * lower layers. 305 * 306 * Returns void 307 * 308 ******************************************************************************/ 309 extern void BTA_HhEnable(tBTA_SEC sec_mask, tBTA_HH_CBACK* p_cback); 310 311 /******************************************************************************* 312 * 313 * Function BTA_HhDeregister 314 * 315 * Description This function is called when the host is about power down. 316 * 317 * Returns void 318 * 319 ******************************************************************************/ 320 extern void BTA_HhDisable(void); 321 322 /******************************************************************************* 323 * 324 * Function BTA_HhOpen 325 * 326 * Description This function is called to start an inquiry and read SDP 327 * record of responding devices; connect to a device if only 328 * one active HID device is found. 329 * 330 * Returns void 331 * 332 ******************************************************************************/ 333 extern void BTA_HhOpen(BD_ADDR dev_bda, tBTA_HH_PROTO_MODE mode, 334 tBTA_SEC sec_mask); 335 336 /******************************************************************************* 337 * 338 * Function BTA_HhClose 339 * 340 * Description This function disconnects the device. 341 * 342 * Returns void 343 * 344 ******************************************************************************/ 345 extern void BTA_HhClose(uint8_t dev_handle); 346 347 /******************************************************************************* 348 * 349 * Function BTA_HhSetProtoMode 350 * 351 * Description This function set the protocol mode at specified HID handle 352 * 353 * Returns void 354 * 355 ******************************************************************************/ 356 extern void BTA_HhSetProtoMode(uint8_t handle, tBTA_HH_PROTO_MODE t_type); 357 358 /******************************************************************************* 359 * 360 * Function BTA_HhGetProtoMode 361 * 362 * Description This function get the protocol mode of a specified HID 363 * device. 364 * 365 * Returns void 366 * 367 ******************************************************************************/ 368 extern void BTA_HhGetProtoMode(uint8_t dev_handle); 369 /******************************************************************************* 370 * 371 * Function BTA_HhSetReport 372 * 373 * Description send SET_REPORT to device. 374 * 375 * Returns void 376 * 377 ******************************************************************************/ 378 extern void BTA_HhSetReport(uint8_t dev_handle, tBTA_HH_RPT_TYPE r_type, 379 BT_HDR* p_data); 380 381 /******************************************************************************* 382 * 383 * Function BTA_HhGetReport 384 * 385 * Description Send a GET_REPORT to HID device. 386 * 387 * Returns void 388 * 389 ******************************************************************************/ 390 extern void BTA_HhGetReport(uint8_t dev_handle, tBTA_HH_RPT_TYPE r_type, 391 uint8_t rpt_id, uint16_t buf_size); 392 /******************************************************************************* 393 * 394 * Function BTA_HhSetIdle 395 * 396 * Description send SET_IDLE to device. 397 * 398 * Returns void 399 * 400 ******************************************************************************/ 401 extern void BTA_HhSetIdle(uint8_t dev_handle, uint16_t idle_rate); 402 403 /******************************************************************************* 404 * 405 * Function BTA_HhGetIdle 406 * 407 * Description Send a GET_IDLE to HID device. 408 * 409 * Returns void 410 * 411 ******************************************************************************/ 412 extern void BTA_HhGetIdle(uint8_t dev_handle); 413 414 /******************************************************************************* 415 * 416 * Function BTA_HhSendCtrl 417 * 418 * Description Send HID_CONTROL request to a HID device. 419 * 420 * Returns void 421 * 422 ******************************************************************************/ 423 extern void BTA_HhSendCtrl(uint8_t dev_handle, tBTA_HH_TRANS_CTRL_TYPE c_type); 424 425 /******************************************************************************* 426 * 427 * Function BTA_HhSetIdle 428 * 429 * Description send SET_IDLE to device. 430 * 431 * Returns void 432 * 433 ******************************************************************************/ 434 extern void BTA_HhSetIdle(uint8_t dev_handle, uint16_t idle_rate); 435 436 /******************************************************************************* 437 * 438 * Function BTA_HhGetIdle 439 * 440 * Description Send a GET_IDLE from HID device. 441 * 442 * Returns void 443 * 444 ******************************************************************************/ 445 extern void BTA_HhGetIdle(uint8_t dev_handle); 446 447 /******************************************************************************* 448 * 449 * Function BTA_HhSendData 450 * 451 * Description Send DATA transaction to a HID device. 452 * 453 * Returns void 454 * 455 ******************************************************************************/ 456 extern void BTA_HhSendData(uint8_t dev_handle, BD_ADDR dev_bda, BT_HDR* p_buf); 457 458 /******************************************************************************* 459 * 460 * Function BTA_HhGetDscpInfo 461 * 462 * Description Get report descriptor of the device 463 * 464 * Returns void 465 * 466 ******************************************************************************/ 467 extern void BTA_HhGetDscpInfo(uint8_t dev_handle); 468 469 /******************************************************************************* 470 * Function BTA_HhAddDev 471 * 472 * Description Add a virtually cabled device into HID-Host device list 473 * to manage and assign a device handle for future API call, 474 * host applciation call this API at start-up to initialize its 475 * virtually cabled devices. 476 * 477 * Returns void 478 * 479 ******************************************************************************/ 480 extern void BTA_HhAddDev(BD_ADDR bda, tBTA_HH_ATTR_MASK attr_mask, 481 uint8_t sub_class, uint8_t app_id, 482 tBTA_HH_DEV_DSCP_INFO dscp_info); 483 /******************************************************************************* 484 * 485 * Function BTA_HhRemoveDev 486 * 487 * Description Remove a device from the HID host devices list. 488 * 489 * Returns void 490 * 491 ******************************************************************************/ 492 extern void BTA_HhRemoveDev(uint8_t dev_handle); 493 494 /******************************************************************************* 495 * 496 * Parsing Utility Functions 497 * 498 ******************************************************************************/ 499 /******************************************************************************* 500 * 501 * Function BTA_HhParseBootRpt 502 * 503 * Description This utility function parse a boot mode report. 504 * 505 * Returns void 506 * 507 ******************************************************************************/ 508 extern void BTA_HhParseBootRpt(tBTA_HH_BOOT_RPT* p_data, uint8_t* p_report, 509 uint16_t report_len); 510 511 /* test commands */ 512 extern void bta_hh_le_hid_read_rpt_clt_cfg(BD_ADDR bd_addr, uint8_t rpt_id); 513 514 #endif /* BTA_HH_API_H */ 515