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Diffstat (limited to 'bta/hh/bta_hh_int.h')
| -rw-r--r-- | bta/hh/bta_hh_int.h | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/bta/hh/bta_hh_int.h b/bta/hh/bta_hh_int.h new file mode 100644 index 0000000..f3a8e54 --- /dev/null +++ b/bta/hh/bta_hh_int.h @@ -0,0 +1,248 @@ +/****************************************************************************** + * + * 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_KNOWN]; /* 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); + +/* 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); + + +#if BTA_HH_DEBUG +extern void bta_hh_trace_dev_db(void); +#endif + +#endif + |