| /****************************************************************************** |
| * |
| * Copyright (C) 2005-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This file contains BTA HID Host internal definitions |
| * |
| ******************************************************************************/ |
| |
| #ifndef BTA_HH_INT_H |
| #define BTA_HH_INT_H |
| |
| #include "bta_sys.h" |
| #include "bd.h" |
| #include "utl.h" |
| #include "bta_hh_api.h" |
| |
| /* can be moved to bta_api.h */ |
| #define BTA_HH_MAX_RPT_CHARS 8 |
| |
| |
| /* state machine events, these events are handled by the state machine */ |
| enum |
| { |
| BTA_HH_API_OPEN_EVT = BTA_SYS_EVT_START(BTA_ID_HH), |
| BTA_HH_API_CLOSE_EVT, |
| BTA_HH_INT_OPEN_EVT, |
| BTA_HH_INT_CLOSE_EVT, |
| BTA_HH_INT_DATA_EVT, |
| BTA_HH_INT_CTRL_DATA, |
| BTA_HH_INT_HANDSK_EVT, |
| BTA_HH_SDP_CMPL_EVT, |
| BTA_HH_API_WRITE_DEV_EVT, |
| BTA_HH_API_GET_DSCP_EVT, |
| BTA_HH_API_MAINT_DEV_EVT, |
| BTA_HH_OPEN_CMPL_EVT, |
| |
| /* not handled by execute state machine */ |
| BTA_HH_API_ENABLE_EVT, |
| BTA_HH_API_DISABLE_EVT, |
| BTA_HH_DISC_CMPL_EVT |
| }; |
| typedef UINT16 tBTA_HH_INT_EVT; /* HID host internal events */ |
| |
| #define BTA_HH_INVALID_EVT (BTA_HH_DISC_CMPL_EVT + 1) |
| |
| /* event used to map between BTE event and BTA event */ |
| #define BTA_HH_FST_TRANS_CB_EVT BTA_HH_GET_RPT_EVT |
| #define BTA_HH_FST_BTE_TRANS_EVT HID_TRANS_GET_REPORT |
| |
| /* sub event code used for device maintainence API call */ |
| #define BTA_HH_ADD_DEV 0 |
| #define BTA_HH_REMOVE_DEV 1 |
| |
| /* state machine states */ |
| enum |
| { |
| BTA_HH_NULL_ST, |
| BTA_HH_IDLE_ST, |
| BTA_HH_W4_CONN_ST, |
| BTA_HH_CONN_ST |
| }; |
| typedef UINT8 tBTA_HH_STATE; |
| |
| /* data structure used to send a command/data to HID device */ |
| typedef struct |
| { |
| BT_HDR hdr; |
| UINT8 t_type; |
| UINT8 param; |
| UINT8 rpt_id; |
| UINT16 data; |
| BT_HDR *p_data; |
| }tBTA_HH_CMD_DATA; |
| |
| /* data type for BTA_HH_API_ENABLE_EVT */ |
| typedef struct |
| { |
| BT_HDR hdr; |
| UINT8 sec_mask; |
| UINT8 service_name[BTA_SERVICE_NAME_LEN+1]; |
| tBTA_HH_CBACK *p_cback; |
| } tBTA_HH_API_ENABLE; |
| |
| typedef struct |
| { |
| BT_HDR hdr; |
| BD_ADDR bd_addr; |
| UINT8 sec_mask; |
| tBTA_HH_PROTO_MODE mode; |
| }tBTA_HH_API_CONN; |
| |
| /* internal event data from BTE HID callback */ |
| typedef struct |
| { |
| BT_HDR hdr; |
| UINT32 data; |
| BT_HDR *p_data; |
| }tBTA_HH_CBACK_DATA; |
| |
| typedef struct |
| { |
| BT_HDR hdr; |
| BD_ADDR bda; |
| UINT16 attr_mask; |
| UINT16 sub_event; |
| UINT8 sub_class; |
| UINT8 app_id; |
| tBTA_HH_DEV_DSCP_INFO dscp_info; |
| }tBTA_HH_MAINT_DEV; |
| |
| /* union of all event data types */ |
| typedef union |
| { |
| BT_HDR hdr; |
| tBTA_HH_API_ENABLE api_enable; |
| tBTA_HH_API_CONN api_conn; |
| tBTA_HH_CMD_DATA api_sndcmd; |
| tBTA_HH_CBACK_DATA hid_cback; |
| tBTA_HH_STATUS status; |
| tBTA_HH_MAINT_DEV api_maintdev; |
| } tBTA_HH_DATA; |
| |
| /* device control block */ |
| typedef struct |
| { |
| tBTA_HH_DEV_DSCP_INFO dscp_info; /* report descriptor and DI information */ |
| BD_ADDR addr; /* BD-Addr of the HID device */ |
| UINT16 attr_mask; /* attribute mask */ |
| UINT16 w4_evt; /* W4_handshake event name */ |
| UINT8 index; /* index number referenced to handle index */ |
| UINT8 sub_class; /* Cod sub class */ |
| UINT8 sec_mask; /* security mask */ |
| UINT8 app_id; /* application ID for this connection */ |
| UINT8 hid_handle; /* device handle */ |
| BOOLEAN vp; /* virtually unplug flag */ |
| BOOLEAN in_use; /* control block currently in use */ |
| BOOLEAN incoming_conn; /* is incoming connection? */ |
| BOOLEAN opened; /* TRUE if device successfully opened HID connection */ |
| tBTA_HH_PROTO_MODE mode; /* protocol mode */ |
| tBTA_HH_STATE state; /* CB state */ |
| } tBTA_HH_DEV_CB; |
| |
| /* key board parsing control block */ |
| typedef struct |
| { |
| BOOLEAN mod_key[4]; /* ctrl, shift(upper), Alt, GUI */ |
| BOOLEAN num_lock; |
| BOOLEAN caps_lock; |
| UINT8 last_report[BTA_HH_MAX_RPT_CHARS]; |
| } tBTA_HH_KB_CB; |
| |
| /****************************************************************************** |
| ** Main Control Block |
| *******************************************************************************/ |
| typedef struct |
| { |
| tBTA_HH_KB_CB kb_cb; /* key board control block, |
| suppose BTA will connect |
| to only one keyboard at |
| the same time */ |
| tBTA_HH_DEV_CB kdev[BTA_HH_MAX_DEVICE]; /* device control block */ |
| tBTA_HH_DEV_CB* p_cur; /* current device control |
| block idx, used in sdp */ |
| UINT8 cb_index[BTA_HH_MAX_KNOWN]; /* maintain a CB index |
| map to dev handle */ |
| tBTA_HH_CBACK *p_cback; /* Application callbacks */ |
| tSDP_DISCOVERY_DB* p_disc_db; |
| UINT8 trace_level; /* tracing level */ |
| UINT8 cnt_num; /* connected device number */ |
| BOOLEAN w4_disable; /* w4 disable flag */ |
| } |
| tBTA_HH_CB; |
| |
| #if BTA_DYNAMIC_MEMORY == FALSE |
| extern tBTA_HH_CB bta_hh_cb; |
| #else |
| extern tBTA_HH_CB *bta_hh_cb_ptr; |
| #define bta_hh_cb (*bta_hh_cb_ptr) |
| #endif |
| |
| /* from bta_hh_cfg.c */ |
| extern tBTA_HH_CFG *p_bta_hh_cfg; |
| |
| /***************************************************************************** |
| ** Function prototypes |
| *****************************************************************************/ |
| extern BOOLEAN bta_hh_hdl_event(BT_HDR *p_msg); |
| extern void bta_hh_sm_execute(tBTA_HH_DEV_CB *p_cb, UINT16 event, |
| tBTA_HH_DATA *p_data); |
| |
| /* action functions */ |
| extern void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_close_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); |
| extern void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); |
| extern void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| extern void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); |
| |
| /* utility functions */ |
| extern UINT8 bta_hh_find_cb(BD_ADDR bda); |
| extern void bta_hh_parse_keybd_rpt(tBTA_HH_BOOT_RPT *p_kb_data, |
| UINT8 *p_report, UINT16 report_len); |
| extern void bta_hh_parse_mice_rpt(tBTA_HH_BOOT_RPT *p_kb_data, |
| UINT8 *p_report, UINT16 report_len); |
| extern BOOLEAN bta_hh_tod_spt(tBTA_HH_DEV_CB *p_cb,UINT8 sub_class); |
| extern void bta_hh_clean_up_kdev(tBTA_HH_DEV_CB *p_cb); |
| |
| extern void bta_hh_add_device_to_list(tBTA_HH_DEV_CB *p_cb, UINT8 handle, |
| UINT16 attr_mask, |
| tHID_DEV_DSCP_INFO *p_dscp_info, |
| UINT8 sub_class, UINT16 max_latency, UINT16 min_tout, UINT8 app_id); |
| extern void bta_hh_update_di_info(tBTA_HH_DEV_CB *p_cb, UINT16 vendor_id, UINT16 product_id, |
| UINT16 version, UINT8 flag); |
| extern void bta_hh_cleanup_disable(tBTA_HH_STATUS status); |
| |
| extern UINT8 bta_hh_dev_handle_to_cb_idx(UINT8 dev_handle); |
| |
| /* action functions used outside state machine */ |
| extern void bta_hh_api_enable(tBTA_HH_DATA *p_data); |
| extern void bta_hh_api_disable(void); |
| extern void bta_hh_disc_cmpl(void); |
| |
| extern tBTA_HH_STATUS bta_hh_read_ssr_param(BD_ADDR bd_addr, UINT16 *p_max_ssr_lat, UINT16 *p_min_ssr_tout); |
| |
| #if BTA_HH_DEBUG |
| extern void bta_hh_trace_dev_db(void); |
| #endif |
| |
| #endif |
| |
