1 /****************************************************************************** 2 * 3 * Copyright (C) 2005-2012 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 * This file contains BTA HID Host internal definitions 22 * 23 ******************************************************************************/ 24 25 #ifndef BTA_HH_INT_H 26 #define BTA_HH_INT_H 27 28 #include "bta_sys.h" 29 #include "bd.h" 30 #include "utl.h" 31 #include "bta_hh_api.h" 32 33 #if BTA_HH_LE_INCLUDED == TRUE 34 #include "bta_gatt_api.h" 35 #endif 36 37 /* can be moved to bta_api.h */ 38 #define BTA_HH_MAX_RPT_CHARS 8 39 40 #if (BTA_GATT_INCLUDED == FALSE || BLE_INCLUDED == FALSE) 41 #undef BTA_HH_LE_INCLUDED 42 #define BTA_HH_LE_INCLUDED FALSE 43 #endif 44 45 /* state machine events, these events are handled by the state machine */ 46 enum 47 { 48 BTA_HH_API_OPEN_EVT = BTA_SYS_EVT_START(BTA_ID_HH), 49 BTA_HH_API_CLOSE_EVT, 50 BTA_HH_INT_OPEN_EVT, 51 BTA_HH_INT_CLOSE_EVT, 52 BTA_HH_INT_DATA_EVT, 53 BTA_HH_INT_CTRL_DATA, 54 BTA_HH_INT_HANDSK_EVT, 55 BTA_HH_SDP_CMPL_EVT, 56 BTA_HH_API_WRITE_DEV_EVT, 57 BTA_HH_API_GET_DSCP_EVT, 58 BTA_HH_API_MAINT_DEV_EVT, 59 BTA_HH_OPEN_CMPL_EVT, 60 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 61 BTA_HH_GATT_CLOSE_EVT, 62 BTA_HH_GATT_OPEN_EVT, 63 BTA_HH_START_ENC_EVT, 64 BTA_HH_ENC_CMPL_EVT, 65 BTA_HH_GATT_READ_CHAR_CMPL_EVT, 66 BTA_HH_GATT_WRITE_CHAR_CMPL_EVT, 67 BTA_HH_GATT_READ_DESCR_CMPL_EVT, 68 BTA_HH_GATT_WRITE_DESCR_CMPL_EVT, 69 BTA_HH_API_SCPP_UPDATE_EVT, 70 #endif 71 72 /* not handled by execute state machine */ 73 BTA_HH_API_ENABLE_EVT, 74 BTA_HH_API_DISABLE_EVT, 75 BTA_HH_DISC_CMPL_EVT 76 }; 77 typedef UINT16 tBTA_HH_INT_EVT; /* HID host internal events */ 78 79 #define BTA_HH_INVALID_EVT (BTA_HH_DISC_CMPL_EVT + 1) 80 81 /* event used to map between BTE event and BTA event */ 82 #define BTA_HH_FST_TRANS_CB_EVT BTA_HH_GET_RPT_EVT 83 #define BTA_HH_FST_BTE_TRANS_EVT HID_TRANS_GET_REPORT 84 85 /* sub event code used for device maintainence API call */ 86 #define BTA_HH_ADD_DEV 0 87 #define BTA_HH_REMOVE_DEV 1 88 89 /* state machine states */ 90 enum 91 { 92 BTA_HH_NULL_ST, 93 BTA_HH_IDLE_ST, 94 BTA_HH_W4_CONN_ST, 95 BTA_HH_CONN_ST 96 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 97 ,BTA_HH_W4_SEC 98 #endif 99 ,BTA_HH_INVALID_ST /* Used to check invalid states before executing SM function */ 100 101 }; 102 typedef UINT8 tBTA_HH_STATE; 103 104 /* data structure used to send a command/data to HID device */ 105 typedef struct 106 { 107 BT_HDR hdr; 108 UINT8 t_type; 109 UINT8 param; 110 UINT8 rpt_id; 111 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 112 UINT8 srvc_id; 113 #endif 114 UINT16 data; 115 BT_HDR *p_data; 116 }tBTA_HH_CMD_DATA; 117 118 /* data type for BTA_HH_API_ENABLE_EVT */ 119 typedef struct 120 { 121 BT_HDR hdr; 122 UINT8 sec_mask; 123 UINT8 service_name[BTA_SERVICE_NAME_LEN+1]; 124 tBTA_HH_CBACK *p_cback; 125 } tBTA_HH_API_ENABLE; 126 127 typedef struct 128 { 129 BT_HDR hdr; 130 BD_ADDR bd_addr; 131 UINT8 sec_mask; 132 tBTA_HH_PROTO_MODE mode; 133 }tBTA_HH_API_CONN; 134 135 /* internal event data from BTE HID callback */ 136 typedef struct 137 { 138 BT_HDR hdr; 139 BD_ADDR addr; 140 UINT32 data; 141 BT_HDR *p_data; 142 }tBTA_HH_CBACK_DATA; 143 144 typedef struct 145 { 146 BT_HDR hdr; 147 BD_ADDR bda; 148 UINT16 attr_mask; 149 UINT16 sub_event; 150 UINT8 sub_class; 151 UINT8 app_id; 152 tBTA_HH_DEV_DSCP_INFO dscp_info; 153 }tBTA_HH_MAINT_DEV; 154 155 #if BTA_HH_LE_INCLUDED == TRUE 156 typedef struct 157 { 158 BT_HDR hdr; 159 UINT16 conn_id; 160 tBTA_GATT_REASON reason; /* disconnect reason code, not useful when connect event is reported */ 161 162 }tBTA_HH_LE_CLOSE; 163 164 typedef struct 165 { 166 BT_HDR hdr; 167 UINT16 scan_int; 168 UINT16 scan_win; 169 }tBTA_HH_SCPP_UPDATE; 170 #endif 171 /* union of all event data types */ 172 typedef union 173 { 174 BT_HDR hdr; 175 tBTA_HH_API_ENABLE api_enable; 176 tBTA_HH_API_CONN api_conn; 177 tBTA_HH_CMD_DATA api_sndcmd; 178 tBTA_HH_CBACK_DATA hid_cback; 179 tBTA_HH_STATUS status; 180 tBTA_HH_MAINT_DEV api_maintdev; 181 #if BTA_HH_LE_INCLUDED == TRUE 182 tBTA_HH_LE_CLOSE le_close; 183 tBTA_GATTC_OPEN le_open; 184 tBTA_HH_SCPP_UPDATE le_scpp_update; 185 #endif 186 } tBTA_HH_DATA; 187 188 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 189 typedef struct 190 { 191 UINT8 index; 192 BOOLEAN in_use; 193 UINT8 inst_id; /* share service instance ID and report instance ID, as 194 hi 4 for service instance ID, low 4 as charatceristic instance ID */ 195 tBTA_HH_RPT_TYPE rpt_type; 196 UINT16 uuid; 197 UINT16 prop; 198 UINT8 rpt_id; 199 BOOLEAN client_cfg_exist; 200 UINT16 client_cfg_value; 201 }tBTA_HH_LE_RPT; 202 203 #ifndef BTA_HH_LE_RPT_MAX 204 #define BTA_HH_LE_RPT_MAX 10 205 #endif 206 207 typedef struct 208 { 209 BOOLEAN in_use; 210 tBTA_HH_LE_RPT report[BTA_HH_LE_RPT_MAX]; 211 212 #define BTA_HH_LE_PROTO_MODE_BIT 0x01 213 #define BTA_HH_LE_CP_BIT 0x02 214 UINT8 option_char; /* control point char exisit or not */ 215 216 BOOLEAN expl_incl_srvc; 217 UINT8 incl_srvc_inst; /* assuming only one included service : battery service */ 218 UINT8 cur_expl_char_idx; /* currently discovering service index */ 219 220 #define BTA_HH_LE_REMOTE_WAKE 0x01 221 #define BTA_HH_LE_NORMAL_CONN 0x02 222 UINT8 flag; /* HID Information flag */ 223 UINT8 *rpt_map; 224 UINT16 ext_rpt_ref; 225 tBTA_HH_DEV_DESCR descriptor; 226 227 }tBTA_HH_LE_HID_SRVC; 228 229 #ifndef BTA_HH_LE_HID_SRVC_MAX 230 #define BTA_HH_LE_HID_SRVC_MAX 1 231 #endif 232 233 /* convert a HID handle to the LE CB index */ 234 #define BTA_HH_GET_LE_CB_IDX(x) (((x) >> 4) - 1) 235 /* convert a GATT connection ID to HID device handle, it is the hi 4 bits of a UINT8 */ 236 #define BTA_HH_GET_LE_DEV_HDL(x) (UINT8)(((x) + 1) << 4) 237 /* check to see if th edevice handle is a LE device handle */ 238 #define BTA_HH_IS_LE_DEV_HDL(x) ((x) & 0xf0) 239 #define BTA_HH_IS_LE_DEV_HDL_VALID(x) (((x)>>4) < BTA_HH_LE_MAX_KNOWN) 240 #endif 241 242 /* device control block */ 243 typedef struct 244 { 245 tBTA_HH_DEV_DSCP_INFO dscp_info; /* report descriptor and DI information */ 246 BD_ADDR addr; /* BD-Addr of the HID device */ 247 UINT16 attr_mask; /* attribute mask */ 248 UINT16 w4_evt; /* W4_handshake event name */ 249 UINT8 index; /* index number referenced to handle index */ 250 UINT8 sub_class; /* Cod sub class */ 251 UINT8 sec_mask; /* security mask */ 252 UINT8 app_id; /* application ID for this connection */ 253 UINT8 hid_handle; /* device handle : low 4 bits for regular HID: HID_HOST_MAX_DEVICES can not exceed 15; 254 high 4 bits for LE HID: GATT_MAX_PHY_CHANNEL can not exceed 15 */ 255 BOOLEAN vp; /* virtually unplug flag */ 256 BOOLEAN in_use; /* control block currently in use */ 257 BOOLEAN incoming_conn; /* is incoming connection? */ 258 UINT8 incoming_hid_handle; /* temporary handle for incoming connection? */ 259 BOOLEAN opened; /* TRUE if device successfully opened HID connection */ 260 tBTA_HH_PROTO_MODE mode; /* protocol mode */ 261 tBTA_HH_STATE state; /* CB state */ 262 263 #if (BTA_HH_LE_INCLUDED == TRUE) 264 #define BTA_HH_LE_DISC_NONE 0x00 265 #define BTA_HH_LE_DISC_HIDS 0x01 266 #define BTA_HH_LE_DISC_DIS 0x02 267 #define BTA_HH_LE_DISC_SCPS 0x04 268 269 UINT8 disc_active; 270 tBTA_HH_STATUS status; 271 BOOLEAN is_le_device; 272 tBTA_HH_LE_HID_SRVC hid_srvc[BTA_HH_LE_HID_SRVC_MAX]; 273 UINT16 conn_id; 274 BOOLEAN in_bg_conn; 275 UINT8 total_srvc; 276 UINT8 clt_cfg_idx; 277 UINT8 cur_srvc_index; /* currently discovering service index */ 278 BOOLEAN scps_supported; 279 280 #define BTA_HH_LE_SCPS_NOTIFY_NONE 0 281 #define BTA_HH_LE_SCPS_NOTIFY_SPT 0x01 282 #define BTA_HH_LE_SCPS_NOTIFY_ENB 0x02 283 UINT8 scps_notify; /* scan refresh supported/notification enabled */ 284 #endif 285 286 } tBTA_HH_DEV_CB; 287 288 /* key board parsing control block */ 289 typedef struct 290 { 291 BOOLEAN mod_key[4]; /* ctrl, shift(upper), Alt, GUI */ 292 BOOLEAN num_lock; 293 BOOLEAN caps_lock; 294 UINT8 last_report[BTA_HH_MAX_RPT_CHARS]; 295 } tBTA_HH_KB_CB; 296 297 /****************************************************************************** 298 ** Main Control Block 299 *******************************************************************************/ 300 typedef struct 301 { 302 tBTA_HH_KB_CB kb_cb; /* key board control block, 303 suppose BTA will connect 304 to only one keyboard at 305 the same time */ 306 tBTA_HH_DEV_CB kdev[BTA_HH_MAX_DEVICE]; /* device control block */ 307 tBTA_HH_DEV_CB* p_cur; /* current device control 308 block idx, used in sdp */ 309 UINT8 cb_index[BTA_HH_MAX_KNOWN]; /* maintain a CB index 310 map to dev handle */ 311 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 312 UINT8 le_cb_index[BTA_HH_MAX_DEVICE]; /* maintain a CB index map to LE dev handle */ 313 tBTA_GATTC_IF gatt_if; 314 #endif 315 tBTA_HH_CBACK *p_cback; /* Application callbacks */ 316 tSDP_DISCOVERY_DB* p_disc_db; 317 UINT8 trace_level; /* tracing level */ 318 UINT8 cnt_num; /* connected device number */ 319 BOOLEAN w4_disable; /* w4 disable flag */ 320 } 321 tBTA_HH_CB; 322 323 #if BTA_DYNAMIC_MEMORY == FALSE 324 extern tBTA_HH_CB bta_hh_cb; 325 #else 326 extern tBTA_HH_CB *bta_hh_cb_ptr; 327 #define bta_hh_cb (*bta_hh_cb_ptr) 328 #endif 329 330 /* from bta_hh_cfg.c */ 331 extern tBTA_HH_CFG *p_bta_hh_cfg; 332 333 /***************************************************************************** 334 ** Function prototypes 335 *****************************************************************************/ 336 extern BOOLEAN bta_hh_hdl_event(BT_HDR *p_msg); 337 extern void bta_hh_sm_execute(tBTA_HH_DEV_CB *p_cb, UINT16 event, 338 tBTA_HH_DATA *p_data); 339 340 /* action functions */ 341 extern void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 342 extern void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 343 extern void bta_hh_close_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 344 extern void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); 345 extern void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); 346 extern void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 347 extern void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 348 extern void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 349 extern void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 350 extern void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 351 extern void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 352 extern void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 353 extern void bta_hh_open_failure(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 354 355 /* utility functions */ 356 extern UINT8 bta_hh_find_cb(BD_ADDR bda); 357 extern void bta_hh_parse_keybd_rpt(tBTA_HH_BOOT_RPT *p_kb_data, 358 UINT8 *p_report, UINT16 report_len); 359 extern void bta_hh_parse_mice_rpt(tBTA_HH_BOOT_RPT *p_kb_data, 360 UINT8 *p_report, UINT16 report_len); 361 extern BOOLEAN bta_hh_tod_spt(tBTA_HH_DEV_CB *p_cb,UINT8 sub_class); 362 extern void bta_hh_clean_up_kdev(tBTA_HH_DEV_CB *p_cb); 363 364 extern void bta_hh_add_device_to_list(tBTA_HH_DEV_CB *p_cb, UINT8 handle, 365 UINT16 attr_mask, 366 tHID_DEV_DSCP_INFO *p_dscp_info, 367 UINT8 sub_class, UINT16 max_latency, UINT16 min_tout, UINT8 app_id); 368 extern void bta_hh_update_di_info(tBTA_HH_DEV_CB *p_cb, UINT16 vendor_id, UINT16 product_id, 369 UINT16 version, UINT8 flag); 370 extern void bta_hh_cleanup_disable(tBTA_HH_STATUS status); 371 372 extern UINT8 bta_hh_dev_handle_to_cb_idx(UINT8 dev_handle); 373 374 /* action functions used outside state machine */ 375 extern void bta_hh_api_enable(tBTA_HH_DATA *p_data); 376 extern void bta_hh_api_disable(void); 377 extern void bta_hh_disc_cmpl(void); 378 379 extern tBTA_HH_STATUS bta_hh_read_ssr_param(BD_ADDR bd_addr, UINT16 *p_max_ssr_lat, UINT16 *p_min_ssr_tout); 380 381 /* functions for LE HID */ 382 extern void bta_hh_le_enable(void); 383 extern BOOLEAN bta_hh_le_is_hh_gatt_if(tBTA_GATTC_IF client_if); 384 extern void bta_hh_le_deregister(void); 385 extern BOOLEAN bta_hh_is_le_device(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda); 386 extern void bta_hh_le_open_conn(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda); 387 extern void bta_hh_le_api_disc_act(tBTA_HH_DEV_CB *p_cb); 388 extern void bta_hh_le_get_dscp_act(tBTA_HH_DEV_CB *p_cb); 389 extern void bta_hh_le_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 390 extern UINT8 bta_hh_le_add_device(tBTA_HH_DEV_CB *p_cb, tBTA_HH_MAINT_DEV *p_dev_info); 391 extern void bta_hh_le_remove_dev_bg_conn(tBTA_HH_DEV_CB *p_cb); 392 extern void bta_hh_le_open_fail(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 393 extern void bta_hh_gatt_open(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 394 extern void bta_hh_gatt_close(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 395 extern void bta_hh_start_security(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 396 extern void bta_hh_start_srvc_discovery(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 397 extern void bta_hh_w4_le_read_char_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 398 extern void bta_hh_le_read_char_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 399 extern void bta_hh_w4_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 400 extern void bta_hh_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 401 extern void bta_hh_w4_le_write_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 402 extern void bta_hh_le_write_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 403 extern void bta_hh_le_write_char_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 404 extern void bta_hh_start_security(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 405 extern void bta_hh_security_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 406 extern void bta_hh_le_update_scpp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 407 408 409 #if BTA_HH_DEBUG 410 extern void bta_hh_trace_dev_db(void); 411 #endif 412 413 #endif 414 415
