/******************************************************************************
*
* 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"
#if BTA_HH_LE_INCLUDED == TRUE
#include "bta_gatt_api.h"
#endif
/* can be moved to bta_api.h */
#define BTA_HH_MAX_RPT_CHARS 8
#if (BTA_GATT_INCLUDED == FALSE || BLE_INCLUDED == FALSE)
#undef BTA_HH_LE_INCLUDED
#define BTA_HH_LE_INCLUDED FALSE
#endif
/* 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,
#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
BTA_HH_GATT_CLOSE_EVT,
BTA_HH_GATT_OPEN_EVT,
BTA_HH_START_ENC_EVT,
BTA_HH_ENC_CMPL_EVT,
BTA_HH_GATT_READ_CHAR_CMPL_EVT,
BTA_HH_GATT_WRITE_CHAR_CMPL_EVT,
BTA_HH_GATT_READ_DESCR_CMPL_EVT,
BTA_HH_GATT_WRITE_DESCR_CMPL_EVT,
BTA_HH_API_SCPP_UPDATE_EVT,
BTA_HH_GATT_ENC_CMPL_EVT,
#endif
/* 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
#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
,BTA_HH_W4_SEC
#endif
,BTA_HH_INVALID_ST /* Used to check invalid states before executing SM function */
};
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;
#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
UINT8 srvc_id;
#endif
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;
BD_ADDR addr;
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;
#if BTA_HH_LE_INCLUDED == TRUE
typedef struct
{
BT_HDR hdr;
UINT16 conn_id;
tBTA_GATT_REASON reason; /* disconnect reason code, not useful when connect event is reported */
}tBTA_HH_LE_CLOSE;
typedef struct
{
BT_HDR hdr;
UINT16 scan_int;
UINT16 scan_win;
}tBTA_HH_SCPP_UPDATE;
#endif
/* 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;
#if BTA_HH_LE_INCLUDED == TRUE
tBTA_HH_LE_CLOSE le_close;
tBTA_GATTC_OPEN le_open;
tBTA_HH_SCPP_UPDATE le_scpp_update;
tBTA_GATTC_ENC_CMPL_CB le_enc_cmpl;
#endif
} tBTA_HH_DATA;
#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
typedef struct
{
UINT8 index;
BOOLEAN in_use;
UINT8 inst_id; /* share service instance ID and report instance ID, as
hi 4 for service instance ID, low 4 as charatceristic instance ID */
tBTA_HH_RPT_TYPE rpt_type;
UINT16 uuid;
UINT16 prop;
UINT8 rpt_id;
BOOLEAN client_cfg_exist;
UINT16 client_cfg_value;
}tBTA_HH_LE_RPT;
#ifndef BTA_HH_LE_RPT_MAX
#define BTA_HH_LE_RPT_MAX 20
#endif
typedef struct
{
BOOLEAN in_use;
tBTA_HH_LE_RPT report[BTA_HH_LE_RPT_MAX];
#define BTA_HH_LE_PROTO_MODE_BIT 0x01
#define BTA_HH_LE_CP_BIT 0x02
UINT8 option_char; /* control point char exisit or not */
BOOLEAN expl_incl_srvc;
UINT8 incl_srvc_inst; /* assuming only one included service : battery service */
UINT8 cur_expl_char_idx; /* currently discovering service index */
#define BTA_HH_LE_REMOTE_WAKE 0x01
#define BTA_HH_LE_NORMAL_CONN 0x02
UINT8 flag; /* HID Information flag */
UINT8 *rpt_map;
UINT16 ext_rpt_ref;
tBTA_HH_DEV_DESCR descriptor;
}tBTA_HH_LE_HID_SRVC;
#ifndef BTA_HH_LE_HID_SRVC_MAX
#define BTA_HH_LE_HID_SRVC_MAX 1
#endif
/* convert a HID handle to the LE CB index */
#define BTA_HH_GET_LE_CB_IDX(x) (((x) >> 4) - 1)
/* convert a GATT connection ID to HID device handle, it is the hi 4 bits of a UINT8 */
#define BTA_HH_GET_LE_DEV_HDL(x) (UINT8)(((x) + 1) << 4)
/* check to see if th edevice handle is a LE device handle */
#define BTA_HH_IS_LE_DEV_HDL(x) ((x) & 0xf0)
#define BTA_HH_IS_LE_DEV_HDL_VALID(x) (((x)>>4) < BTA_HH_LE_MAX_KNOWN)
#endif
/* 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 : low 4 bits for regular HID: HID_HOST_MAX_DEVICES can not exceed 15;
high 4 bits for LE HID: GATT_MAX_PHY_CHANNEL can not exceed 15 */
BOOLEAN vp; /* virtually unplug flag */
BOOLEAN in_use; /* control block currently in use */
BOOLEAN incoming_conn; /* is incoming connection? */
UINT8 incoming_hid_handle; /* temporary handle for incoming connection? */
BOOLEAN opened; /* TRUE if device successfully opened HID connection */
tBTA_HH_PROTO_MODE mode; /* protocol mode */
tBTA_HH_STATE state; /* CB state */
#if (BTA_HH_LE_INCLUDED == TRUE)
#define BTA_HH_LE_DISC_NONE 0x00
#define BTA_HH_LE_DISC_HIDS 0x01
#define BTA_HH_LE_DISC_DIS 0x02
#define BTA_HH_LE_DISC_SCPS 0x04
UINT8 disc_active;
tBTA_HH_STATUS status;
BOOLEAN is_le_device;
tBTA_HH_LE_HID_SRVC hid_srvc[BTA_HH_LE_HID_SRVC_MAX];
UINT16 conn_id;
BOOLEAN in_bg_conn;
UINT8 total_srvc;
UINT8 clt_cfg_idx;
UINT8 cur_srvc_index; /* currently discovering service index */
BOOLEAN scps_supported;
#define BTA_HH_LE_SCPS_NOTIFY_NONE 0
#define BTA_HH_LE_SCPS_NOTIFY_SPT 0x01
#define BTA_HH_LE_SCPS_NOTIFY_ENB 0x02
UINT8 scps_notify; /* scan refresh supported/notification enabled */
#endif
BOOLEAN security_pending;
} 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 */
#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
UINT8 le_cb_index[BTA_HH_MAX_DEVICE]; /* maintain a CB index map to LE dev handle */
tBTA_GATTC_IF gatt_if;
#endif
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);
extern void bta_hh_open_failure(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);
/* functions for LE HID */
extern void bta_hh_le_enable(void);
extern BOOLEAN bta_hh_le_is_hh_gatt_if(tBTA_GATTC_IF client_if);
extern void bta_hh_le_deregister(void);
extern BOOLEAN bta_hh_is_le_device(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda);
extern void bta_hh_le_open_conn(tBTA_HH_DEV_CB *p_cb, BD_ADDR remote_bda);
extern void bta_hh_le_api_disc_act(tBTA_HH_DEV_CB *p_cb);
extern void bta_hh_le_get_dscp_act(tBTA_HH_DEV_CB *p_cb);
extern void bta_hh_le_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data);
extern UINT8 bta_hh_le_add_device(tBTA_HH_DEV_CB *p_cb, tBTA_HH_MAINT_DEV *p_dev_info);
extern void bta_hh_le_remove_dev_bg_conn(tBTA_HH_DEV_CB *p_cb);
extern void bta_hh_le_open_fail(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data);
extern void bta_hh_gatt_open(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data);
extern void bta_hh_gatt_close(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data);
extern void bta_hh_start_security(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_start_srvc_discovery(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_w4_le_read_char_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_le_read_char_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_w4_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_le_read_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_w4_le_write_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_le_write_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_le_write_char_descr_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_start_security(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_security_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_le_update_scpp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_buf);
extern void bta_hh_le_notify_enc_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data);
#if BTA_HH_DEBUG
extern void bta_hh_trace_dev_db(void);
#endif
#endif