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 */ 46enum 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 BTA_HH_GATT_ENC_CMPL_EVT, 71#endif 72 73 /* not handled by execute state machine */ 74 BTA_HH_API_ENABLE_EVT, 75 BTA_HH_API_DISABLE_EVT, 76 BTA_HH_DISC_CMPL_EVT 77}; 78typedef UINT16 tBTA_HH_INT_EVT; /* HID host internal events */ 79 80#define BTA_HH_INVALID_EVT (BTA_HH_DISC_CMPL_EVT + 1) 81 82/* event used to map between BTE event and BTA event */ 83#define BTA_HH_FST_TRANS_CB_EVT BTA_HH_GET_RPT_EVT 84#define BTA_HH_FST_BTE_TRANS_EVT HID_TRANS_GET_REPORT 85 86/* sub event code used for device maintainence API call */ 87#define BTA_HH_ADD_DEV 0 88#define BTA_HH_REMOVE_DEV 1 89 90/* state machine states */ 91enum 92{ 93 BTA_HH_NULL_ST, 94 BTA_HH_IDLE_ST, 95 BTA_HH_W4_CONN_ST, 96 BTA_HH_CONN_ST 97#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 98 ,BTA_HH_W4_SEC 99#endif 100 ,BTA_HH_INVALID_ST /* Used to check invalid states before executing SM function */ 101 102}; 103typedef UINT8 tBTA_HH_STATE; 104 105/* data structure used to send a command/data to HID device */ 106typedef struct 107{ 108 BT_HDR hdr; 109 UINT8 t_type; 110 UINT8 param; 111 UINT8 rpt_id; 112#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 113 UINT8 srvc_id; 114#endif 115 UINT16 data; 116 BT_HDR *p_data; 117}tBTA_HH_CMD_DATA; 118 119/* data type for BTA_HH_API_ENABLE_EVT */ 120typedef struct 121{ 122 BT_HDR hdr; 123 UINT8 sec_mask; 124 UINT8 service_name[BTA_SERVICE_NAME_LEN+1]; 125 tBTA_HH_CBACK *p_cback; 126} tBTA_HH_API_ENABLE; 127 128typedef struct 129{ 130 BT_HDR hdr; 131 BD_ADDR bd_addr; 132 UINT8 sec_mask; 133 tBTA_HH_PROTO_MODE mode; 134}tBTA_HH_API_CONN; 135 136/* internal event data from BTE HID callback */ 137typedef struct 138{ 139 BT_HDR hdr; 140 BD_ADDR addr; 141 UINT32 data; 142 BT_HDR *p_data; 143}tBTA_HH_CBACK_DATA; 144 145typedef struct 146{ 147 BT_HDR hdr; 148 BD_ADDR bda; 149 UINT16 attr_mask; 150 UINT16 sub_event; 151 UINT8 sub_class; 152 UINT8 app_id; 153 tBTA_HH_DEV_DSCP_INFO dscp_info; 154}tBTA_HH_MAINT_DEV; 155 156#if BTA_HH_LE_INCLUDED == TRUE 157typedef struct 158{ 159 BT_HDR hdr; 160 UINT16 conn_id; 161 tBTA_GATT_REASON reason; /* disconnect reason code, not useful when connect event is reported */ 162 163}tBTA_HH_LE_CLOSE; 164 165typedef struct 166{ 167 BT_HDR hdr; 168 UINT16 scan_int; 169 UINT16 scan_win; 170}tBTA_HH_SCPP_UPDATE; 171#endif 172/* union of all event data types */ 173typedef union 174{ 175 BT_HDR hdr; 176 tBTA_HH_API_ENABLE api_enable; 177 tBTA_HH_API_CONN api_conn; 178 tBTA_HH_CMD_DATA api_sndcmd; 179 tBTA_HH_CBACK_DATA hid_cback; 180 tBTA_HH_STATUS status; 181 tBTA_HH_MAINT_DEV api_maintdev; 182#if BTA_HH_LE_INCLUDED == TRUE 183 tBTA_HH_LE_CLOSE le_close; 184 tBTA_GATTC_OPEN le_open; 185 tBTA_HH_SCPP_UPDATE le_scpp_update; 186 tBTA_GATTC_ENC_CMPL_CB le_enc_cmpl; 187#endif 188} tBTA_HH_DATA; 189 190#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 191typedef struct 192{ 193 UINT8 index; 194 BOOLEAN in_use; 195 UINT8 inst_id; /* share service instance ID and report instance ID, as 196 hi 4 for service instance ID, low 4 as charatceristic instance ID */ 197 tBTA_HH_RPT_TYPE rpt_type; 198 UINT16 uuid; 199 UINT8 prop; 200 UINT8 rpt_id; 201 BOOLEAN client_cfg_exist; 202 UINT16 client_cfg_value; 203}tBTA_HH_LE_RPT; 204 205#ifndef BTA_HH_LE_RPT_MAX 206#define BTA_HH_LE_RPT_MAX 20 207#endif 208 209typedef struct 210{ 211 BOOLEAN in_use; 212 tBTA_HH_LE_RPT report[BTA_HH_LE_RPT_MAX]; 213 214#define BTA_HH_LE_PROTO_MODE_BIT 0x01 215#define BTA_HH_LE_CP_BIT 0x02 216 UINT8 option_char; /* control point char exisit or not */ 217 218 BOOLEAN expl_incl_srvc; 219 UINT8 incl_srvc_inst; /* assuming only one included service : battery service */ 220 UINT8 cur_expl_char_idx; /* currently discovering service index */ 221 UINT8 *rpt_map; 222 UINT16 ext_rpt_ref; 223 tBTA_HH_DEV_DESCR descriptor; 224 225}tBTA_HH_LE_HID_SRVC; 226 227#ifndef BTA_HH_LE_HID_SRVC_MAX 228#define BTA_HH_LE_HID_SRVC_MAX 1 229#endif 230 231/* convert a HID handle to the LE CB index */ 232#define BTA_HH_GET_LE_CB_IDX(x) (((x) >> 4) - 1) 233/* convert a GATT connection ID to HID device handle, it is the hi 4 bits of a UINT8 */ 234#define BTA_HH_GET_LE_DEV_HDL(x) (UINT8)(((x) + 1) << 4) 235/* check to see if th edevice handle is a LE device handle */ 236#define BTA_HH_IS_LE_DEV_HDL(x) ((x) & 0xf0) 237#define BTA_HH_IS_LE_DEV_HDL_VALID(x) (((x)>>4) < BTA_HH_LE_MAX_KNOWN) 238#endif 239 240/* device control block */ 241typedef struct 242{ 243 tBTA_HH_DEV_DSCP_INFO dscp_info; /* report descriptor and DI information */ 244 BD_ADDR addr; /* BD-Addr of the HID device */ 245 UINT16 attr_mask; /* attribute mask */ 246 UINT16 w4_evt; /* W4_handshake event name */ 247 UINT8 index; /* index number referenced to handle index */ 248 UINT8 sub_class; /* Cod sub class */ 249 UINT8 sec_mask; /* security mask */ 250 UINT8 app_id; /* application ID for this connection */ 251 UINT8 hid_handle; /* device handle : low 4 bits for regular HID: HID_HOST_MAX_DEVICES can not exceed 15; 252 high 4 bits for LE HID: GATT_MAX_PHY_CHANNEL can not exceed 15 */ 253 BOOLEAN vp; /* virtually unplug flag */ 254 BOOLEAN in_use; /* control block currently in use */ 255 BOOLEAN incoming_conn; /* is incoming connection? */ 256 UINT8 incoming_hid_handle; /* temporary handle for incoming connection? */ 257 BOOLEAN opened; /* TRUE if device successfully opened HID connection */ 258 tBTA_HH_PROTO_MODE mode; /* protocol mode */ 259 tBTA_HH_STATE state; /* CB state */ 260 261#if (BTA_HH_LE_INCLUDED == TRUE) 262#define BTA_HH_LE_DISC_NONE 0x00 263#define BTA_HH_LE_DISC_HIDS 0x01 264#define BTA_HH_LE_DISC_DIS 0x02 265#define BTA_HH_LE_DISC_SCPS 0x04 266 267 UINT8 disc_active; 268 tBTA_HH_STATUS status; 269 tBTA_GATT_REASON reason; 270 BOOLEAN is_le_device; 271 tBTA_HH_LE_HID_SRVC hid_srvc[BTA_HH_LE_HID_SRVC_MAX]; 272 UINT16 conn_id; 273 BOOLEAN in_bg_conn; 274 UINT8 total_srvc; 275 UINT8 clt_cfg_idx; 276 UINT8 cur_srvc_index; /* currently discovering service index */ 277 BOOLEAN scps_supported; 278 279#define BTA_HH_LE_SCPS_NOTIFY_NONE 0 280#define BTA_HH_LE_SCPS_NOTIFY_SPT 0x01 281#define BTA_HH_LE_SCPS_NOTIFY_ENB 0x02 282 UINT8 scps_notify; /* scan refresh supported/notification enabled */ 283#endif 284 285 BOOLEAN security_pending; 286} tBTA_HH_DEV_CB; 287 288/* key board parsing control block */ 289typedef 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*******************************************************************************/ 300typedef 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} 321tBTA_HH_CB; 322 323#if BTA_DYNAMIC_MEMORY == FALSE 324extern tBTA_HH_CB bta_hh_cb; 325#else 326extern 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 */ 331extern tBTA_HH_CFG *p_bta_hh_cfg; 332 333/***************************************************************************** 334** Function prototypes 335*****************************************************************************/ 336extern BOOLEAN bta_hh_hdl_event(BT_HDR *p_msg); 337extern void bta_hh_sm_execute(tBTA_HH_DEV_CB *p_cb, UINT16 event, 338 tBTA_HH_DATA *p_data); 339 340/* action functions */ 341extern void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 342extern void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 343extern void bta_hh_close_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 344extern void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); 345extern void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); 346extern void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 347extern void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 348extern void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 349extern void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 350extern void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 351extern void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 352extern void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 353extern void bta_hh_open_failure(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 354 355/* utility functions */ 356extern UINT8 bta_hh_find_cb(BD_ADDR bda); 357extern void bta_hh_parse_keybd_rpt(tBTA_HH_BOOT_RPT *p_kb_data, 358 UINT8 *p_report, UINT16 report_len); 359extern void bta_hh_parse_mice_rpt(tBTA_HH_BOOT_RPT *p_kb_data, 360 UINT8 *p_report, UINT16 report_len); 361extern BOOLEAN bta_hh_tod_spt(tBTA_HH_DEV_CB *p_cb,UINT8 sub_class); 362extern void bta_hh_clean_up_kdev(tBTA_HH_DEV_CB *p_cb); 363 364extern 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); 368extern void bta_hh_update_di_info(tBTA_HH_DEV_CB *p_cb, UINT16 vendor_id, UINT16 product_id, 369 UINT16 version, UINT8 flag); 370extern void bta_hh_cleanup_disable(tBTA_HH_STATUS status); 371 372extern UINT8 bta_hh_dev_handle_to_cb_idx(UINT8 dev_handle); 373 374/* action functions used outside state machine */ 375extern void bta_hh_api_enable(tBTA_HH_DATA *p_data); 376extern void bta_hh_api_disable(void); 377extern void bta_hh_disc_cmpl(void); 378 379extern 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 */ 382extern void bta_hh_le_enable(void); 383extern BOOLEAN bta_hh_le_is_hh_gatt_if(tBTA_GATTC_IF client_if); 384extern void bta_hh_le_deregister(void); 385extern BOOLEAN bta_hh_is_le_device(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda); 386extern void bta_hh_le_open_conn(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda); 387extern void bta_hh_le_api_disc_act(tBTA_HH_DEV_CB *p_cb); 388extern void bta_hh_le_get_dscp_act(tBTA_HH_DEV_CB *p_cb); 389extern void bta_hh_le_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 390extern UINT8 bta_hh_le_add_device(tBTA_HH_DEV_CB *p_cb, tBTA_HH_MAINT_DEV *p_dev_info); 391extern void bta_hh_le_remove_dev_bg_conn(tBTA_HH_DEV_CB *p_cb); 392extern void bta_hh_le_open_fail(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 393extern void bta_hh_gatt_open(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 394extern void bta_hh_gatt_close(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 395extern void bta_hh_start_security(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 396extern void bta_hh_start_srvc_discovery(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 397extern void bta_hh_w4_le_read_char_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 398extern void bta_hh_le_read_char_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 399extern void bta_hh_w4_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 400extern void bta_hh_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 401extern void bta_hh_w4_le_write_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 402extern void bta_hh_le_write_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 403extern void bta_hh_le_write_char_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 404extern void bta_hh_start_security(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 405extern void bta_hh_security_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 406extern void bta_hh_le_update_scpp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 407extern void bta_hh_le_notify_enc_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); 408extern void bta_hh_ci_load_rpt (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf); 409 410#if BTA_HH_DEBUG 411extern void bta_hh_trace_dev_db(void); 412#endif 413 414#endif 415 416