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/******************************************************************************
 *
 *  Copyright (C) 2011-2014 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 is the private interface file for NFA_CE
 *
 ******************************************************************************/
#ifndef NFA_CE_INT_H
#define NFA_CE_INT_H

#include "nfa_sys.h"
#include "nfa_api.h"
#include "nfa_ce_api.h"
#include "nfa_dm_int.h"
#include "nfc_api.h"

/*****************************************************************************
**  Constants and data types
*****************************************************************************/

/* ce status callback */
typedef void tNFA_CE_STATUS_CBACK (tNFA_STATUS status);

/* CE events */
enum
{
    /* device manager local device API events */
    NFA_CE_API_CFG_LOCAL_TAG_EVT    = NFA_SYS_EVT_START (NFA_ID_CE),
    NFA_CE_API_REG_LISTEN_EVT,
    NFA_CE_API_DEREG_LISTEN_EVT,
    NFA_CE_API_CFG_ISODEP_TECH_EVT,
    NFA_CE_ACTIVATE_NTF_EVT,
    NFA_CE_DEACTIVATE_NTF_EVT,

    NFA_CE_MAX_EVT
};

/* Listen registration types */
enum
{
    NFA_CE_REG_TYPE_NDEF,
    NFA_CE_REG_TYPE_ISO_DEP,
    NFA_CE_REG_TYPE_FELICA,
    NFA_CE_REG_TYPE_UICC
};
typedef UINT8 tNFA_CE_REG_TYPE;

/* data type for NFA_CE_API_CFG_LOCAL_TAG_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_PROTOCOL_MASK  protocol_mask;
    UINT8               *p_ndef_data;
    UINT16              ndef_cur_size;
    UINT16              ndef_max_size;
    BOOLEAN             read_only;
    UINT8               uid_len;
    UINT8               uid[NFA_MAX_UID_LEN];
} tNFA_CE_API_CFG_LOCAL_TAG;

/* data type for NFA_CE_ACTIVATE_NTF_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFC_ACTIVATE_DEVT *p_activation_params;
} tNFA_CE_ACTIVATE_NTF;

/* data type for NFA_CE_API_REG_LISTEN_EVT */
typedef struct
{
    BT_HDR              hdr;
    tNFA_CONN_CBACK     *p_conn_cback;

    tNFA_CE_REG_TYPE   listen_type;

    /* For registering Felica */
    UINT16              system_code;
    UINT8               nfcid2[NCI_RF_F_UID_LEN];

    /* For registering Type-4 */
    UINT8               aid[NFC_MAX_AID_LEN];   /* AID to listen for (For type-4 only)  */
    UINT8               aid_len;                /* AID length                           */

    /* For registering UICC */
    tNFA_HANDLE             ee_handle;
    tNFA_TECHNOLOGY_MASK    tech_mask;
} tNFA_CE_API_REG_LISTEN;

/* data type for NFA_CE_API_DEREG_LISTEN_EVT */
typedef struct
{
    BT_HDR          hdr;
    tNFA_HANDLE     handle;
    UINT32          listen_info;
} tNFA_CE_API_DEREG_LISTEN;

/* union of all data types */
typedef union
{
    /* GKI event buffer header */
    BT_HDR                      hdr;
    tNFA_CE_API_CFG_LOCAL_TAG   local_tag;
    tNFA_CE_API_REG_LISTEN      reg_listen;
    tNFA_CE_API_DEREG_LISTEN    dereg_listen;
    tNFA_CE_ACTIVATE_NTF        activate_ntf;
} tNFA_CE_MSG;

/****************************************************************************
** LISTEN_INFO definitions
*****************************************************************************/
#define NFA_CE_LISTEN_INFO_IDX_NDEF     0                           /* Entry 0 is reserved for local NDEF tag */
#define NFA_CE_LISTEN_INFO_IDX_INVALID  (NFA_CE_LISTEN_INFO_MAX)


/* Flags for listen request */
#define NFA_CE_LISTEN_INFO_IN_USE           0x00000001  /* LISTEN_INFO entry is in use                                      */
#define NFC_CE_LISTEN_INFO_READONLY_NDEF    0x00000010  /* NDEF is read-only                                                */
#define NFA_CE_LISTEN_INFO_T4T_ACTIVATE_PND 0x00000040  /* App has not been notified of ACTIVATE_EVT yet for this T4T AID   */
#define NFA_CE_LISTEN_INFO_T4T_AID          0x00000080  /* This is a listen_info for T4T AID                                */
#define NFA_CE_LISTEN_INFO_START_NTF_PND    0x00000100  /* App has not been notified of LISTEN_START yet                    */
#define NFA_CE_LISTEN_INFO_FELICA           0x00000200  /* This is a listen_info for non-NDEF Felica                        */
#define NFA_CE_LISTEN_INFO_UICC             0x00000400  /* This is a listen_info for UICC                                   */


/* Structure for listen look up table */
typedef struct
{
    UINT32              flags;
    tNFA_CONN_CBACK     *p_conn_cback;                  /* Callback for this listen request             */
    tNFA_PROTOCOL_MASK  protocol_mask;                  /* Mask of protocols for this listen request    */
    tNFA_HANDLE         rf_disc_handle;                 /* RF Discover handle */

    /* For host tag emulation (NFA_CeRegisterVirtualT4tSE and NFA_CeRegisterT4tAidOnDH) */
    UINT8               t3t_nfcid2[NCI_RF_F_UID_LEN];
    UINT16              t3t_system_code;                /* Type-3 system code */
    UINT8               t4t_aid_handle;                 /* Type-4 aid callback handle (from CE_T4tRegisterAID) */

    /* For UICC */
    tNFA_HANDLE                     ee_handle;
    tNFA_TECHNOLOGY_MASK            tech_mask;          /* listening technologies               */
    tNFA_DM_DISC_TECH_PROTO_MASK    tech_proto_mask;    /* listening technologies and protocols */
} tNFA_CE_LISTEN_INFO;


/****************************************************************************/

/* Internal flags for nfa_ce */
#define NFA_CE_FLAGS_APP_INIT_DEACTIVATION  0x00000001  /* Deactivation locally initiated by application */
#define NFA_CE_FLAGS_LISTEN_ACTIVE_SLEEP    0x00000002  /* Tag is in listen active or sleep state        */
typedef UINT32 tNFA_CE_FLAGS;

/* NFA_CE control block */
typedef struct
{
    UINT8   *p_scratch_buf;                                 /* Scratch buffer for write requests    */
    UINT32  scratch_buf_size;

    tNFC_ACTIVATE_DEVT  activation_params;                  /* Activation params        */
    tNFA_CE_FLAGS       flags;                              /* internal flags           */
    tNFA_CONN_CBACK     *p_active_conn_cback;               /* Callback of activated CE */

    /* listen_info table (table of listen paramters and app callbacks) */
    tNFA_CE_LISTEN_INFO listen_info[NFA_CE_LISTEN_INFO_MAX];/* listen info table                            */
    UINT8               idx_cur_active;                     /* listen_info index for currently activated CE */
    UINT8               idx_wild_card;                      /* listen_info index for T4T wild card CE */

    tNFA_DM_DISC_TECH_PROTO_MASK isodep_disc_mask;          /* the technology/protocol mask for ISO-DEP */

    /* Local ndef tag info */
    UINT8               *p_ndef_data;
    UINT16              ndef_cur_size;
    UINT16              ndef_max_size;

    tNFA_SYS_EVT_HDLR   *p_vs_evt_hdlr;                     /* VS event handler */
} tNFA_CE_CB;
extern tNFA_CE_CB nfa_ce_cb;

/* type definition for action functions */
typedef BOOLEAN (*tNFA_CE_ACTION) (tNFA_CE_MSG *p_data);

/* Action function prototypes */
BOOLEAN nfa_ce_api_cfg_local_tag (tNFA_CE_MSG *p_ce_msg);
BOOLEAN nfa_ce_api_reg_listen (tNFA_CE_MSG *p_ce_msg);
BOOLEAN nfa_ce_api_dereg_listen (tNFA_CE_MSG *p_ce_msg);
BOOLEAN nfa_ce_api_cfg_isodep_tech (tNFA_CE_MSG *p_ce_msg);
BOOLEAN nfa_ce_activate_ntf (tNFA_CE_MSG *p_ce_msg);
BOOLEAN nfa_ce_deactivate_ntf (tNFA_CE_MSG *p_ce_msg);

/* Internal function prototypes */
void nfa_ce_t3t_generate_rand_nfcid (UINT8 nfcid2[NCI_RF_F_UID_LEN]);
BOOLEAN nfa_ce_hdl_event (BT_HDR *p_msg);
tNFC_STATUS nfa_ce_set_content (void);
tNFA_STATUS nfa_ce_start_listening (void);
void nfa_ce_remove_listen_info_entry (UINT8 listen_info_idx, BOOLEAN notify_app);
void nfa_ce_sys_disable (void);
void nfa_ce_free_scratch_buf (void);
BOOLEAN nfa_ce_restart_listen_check (void);
#endif /* NFA_DM_INT_H */