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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 2003-2012 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 is the private interface file for the BTA audio gateway.
     22  *
     23  ******************************************************************************/
     24 #ifndef BTA_AG_INT_H
     25 #define BTA_AG_INT_H
     26 
     27 #include "bta_sys.h"
     28 #include "bta_api.h"
     29 #include "bta_ag_api.h"
     30 #include "bta_ag_at.h"
     31 
     32 /* Send RING & CLIP in one AT cmd */
     33 #ifndef BTA_AG_MULTI_RESULT_INCLUDED
     34 #define BTA_AG_MULTI_RESULT_INCLUDED      FALSE
     35 #endif
     36 
     37 /* Replace : in VGS and VGM for HSP */
     38 #ifndef BTA_HSP_RESULT_REPLACE_COLON
     39 #define BTA_HSP_RESULT_REPLACE_COLON      TRUE
     40 #endif
     41 
     42 /*****************************************************************************
     43 **  Constants
     44 *****************************************************************************/
     45 /* Number of SCBs (AG service instances that can be registered) */
     46 #ifndef BTA_AG_NUM_SCB
     47 #define BTA_AG_NUM_SCB          2
     48 #endif
     49 
     50 /* Time to wait for retry in case of collision */
     51 #ifndef BTA_AG_COLLISION_TIMEOUT_MS
     52 #define BTA_AG_COLLISION_TIMEOUT_MS (2 * 1000)          /* 2 seconds */
     53 #endif
     54 
     55 /* RFCOMM MTU SIZE */
     56 #define BTA_AG_MTU              256
     57 
     58 /* Max number of peer and local HF indicators */
     59 #define BTA_AG_MAX_NUM_PEER_HF_IND     20
     60 #define BTA_AG_MAX_NUM_LOCAL_HF_IND    4
     61 
     62 /* Internal profile indexes */
     63 #define BTA_AG_HSP              0       /* index for HSP */
     64 #define BTA_AG_HFP              1       /* index for HFP */
     65 #define BTA_AG_NUM_IDX          2       /* number of profile indexes */
     66 
     67 /* profile role for connection */
     68 #define BTA_AG_ACP              0       /* accepted connection */
     69 #define BTA_AG_INT              1       /* initiating connection */
     70 
     71 /* feature mask that matches spec */
     72 #define BTA_AG_BSRF_FEAT_SPEC        (BTA_AG_FEAT_3WAY | BTA_AG_FEAT_ECNR    | \
     73                                       BTA_AG_FEAT_VREC | BTA_AG_FEAT_INBAND  | \
     74                                       BTA_AG_FEAT_VTAG | BTA_AG_FEAT_REJECT  | \
     75                                       BTA_AG_FEAT_ECS  | BTA_AG_FEAT_ECC     | \
     76                                       BTA_AG_FEAT_EXTERR | BTA_AG_FEAT_CODEC | \
     77                                       BTA_AG_FEAT_HF_IND | BTA_AG_FEAT_ESCO  | \
     78                                       BTA_AG_FEAT_VOIP)
     79 
     80 #define BTA_AG_SDP_FEAT_SPEC         (BTA_AG_FEAT_3WAY | BTA_AG_FEAT_ECNR    | \
     81                                       BTA_AG_FEAT_VREC | BTA_AG_FEAT_INBAND  | \
     82                                       BTA_AG_FEAT_VTAG)
     83 
     84 enum
     85 {
     86     /* these events are handled by the state machine */
     87     BTA_AG_API_REGISTER_EVT = BTA_SYS_EVT_START(BTA_ID_AG),
     88     BTA_AG_API_DEREGISTER_EVT,
     89     BTA_AG_API_OPEN_EVT,
     90     BTA_AG_API_CLOSE_EVT,
     91     BTA_AG_API_AUDIO_OPEN_EVT,
     92     BTA_AG_API_AUDIO_CLOSE_EVT,
     93     BTA_AG_API_RESULT_EVT,
     94     BTA_AG_API_SETCODEC_EVT,
     95     BTA_AG_RFC_OPEN_EVT,
     96     BTA_AG_RFC_CLOSE_EVT,
     97     BTA_AG_RFC_SRV_CLOSE_EVT,
     98     BTA_AG_RFC_DATA_EVT,
     99     BTA_AG_SCO_OPEN_EVT,
    100     BTA_AG_SCO_CLOSE_EVT,
    101     BTA_AG_DISC_ACP_RES_EVT,
    102     BTA_AG_DISC_INT_RES_EVT,
    103     BTA_AG_DISC_OK_EVT,
    104     BTA_AG_DISC_FAIL_EVT,
    105     BTA_AG_CI_RX_WRITE_EVT,
    106     BTA_AG_RING_TIMEOUT_EVT,
    107     BTA_AG_SVC_TIMEOUT_EVT,
    108     BTA_AG_CI_SCO_DATA_EVT,
    109     BTA_AG_CI_SLC_READY_EVT,
    110     BTA_AG_MAX_EVT,
    111 
    112     /* these events are handled outside of the state machine */
    113     BTA_AG_API_ENABLE_EVT,
    114     BTA_AG_API_DISABLE_EVT
    115 };
    116 
    117 /* Actions to perform after a SCO event */
    118 enum
    119 {
    120     BTA_AG_POST_SCO_NONE,       /* no action */
    121     BTA_AG_POST_SCO_CLOSE_RFC,  /* close RFCOMM channel after SCO closes */
    122     BTA_AG_POST_SCO_RING,       /* send RING result code after SCO opens */
    123     BTA_AG_POST_SCO_CALL_CONN,  /* send call indicators after SCO opens/closes */
    124     BTA_AG_POST_SCO_CALL_ORIG,  /* send call indicators after SCO closes */
    125     BTA_AG_POST_SCO_CALL_END,   /* send call indicators after SCO closes */
    126     BTA_AG_POST_SCO_CALL_END_INCALL   /* send call indicators for end call & incoming call after SCO closes */
    127 };
    128 
    129 /* sco states */
    130 enum
    131 {
    132     BTA_AG_SCO_SHUTDOWN_ST,     /* no sco listening, all sco connections closed */
    133     BTA_AG_SCO_LISTEN_ST,       /* sco listening */
    134 #if (BTM_WBS_INCLUDED == TRUE )
    135     BTA_AG_SCO_CODEC_ST,        /* sco codec negotiation */
    136 #endif
    137     BTA_AG_SCO_OPENING_ST,      /* sco connection opening */
    138     BTA_AG_SCO_OPEN_CL_ST,      /* opening sco connection being closed */
    139     BTA_AG_SCO_OPEN_XFER_ST,    /* opening sco connection being transferred */
    140     BTA_AG_SCO_OPEN_ST,         /* sco open */
    141     BTA_AG_SCO_CLOSING_ST,      /* sco closing */
    142     BTA_AG_SCO_CLOSE_OP_ST,     /* closing sco being opened */
    143     BTA_AG_SCO_CLOSE_XFER_ST,   /* closing sco being transferred */
    144     BTA_AG_SCO_SHUTTING_ST      /* sco shutting down */
    145 };
    146 
    147 /*****************************************************************************
    148 **  Data types
    149 *****************************************************************************/
    150 
    151 /* data type for BTA_AG_API_ENABLE_EVT */
    152 typedef struct
    153 {
    154     BT_HDR              hdr;
    155     tBTA_AG_PARSE_MODE  parse_mode;
    156     tBTA_AG_CBACK      *p_cback;
    157 } tBTA_AG_API_ENABLE;
    158 
    159 /* data type for BTA_AG_API_REGISTER_EVT */
    160 typedef struct
    161 {
    162     BT_HDR              hdr;
    163     char                p_name[2][BTA_SERVICE_NAME_LEN+1];
    164     tBTA_SERVICE_MASK   services;
    165     tBTA_SEC            sec_mask;
    166     tBTA_AG_FEAT        features;
    167     UINT8               app_id;
    168 } tBTA_AG_API_REGISTER;
    169 
    170 /* data type for BTA_AG_API_OPEN_EVT */
    171 typedef struct
    172 {
    173     BT_HDR              hdr;
    174     BD_ADDR             bd_addr;
    175     tBTA_SERVICE_MASK   services;
    176     tBTA_SEC            sec_mask;
    177 } tBTA_AG_API_OPEN;
    178 
    179 /* data type for BTA_AG_API_RESULT_EVT */
    180 typedef struct
    181 {
    182     BT_HDR            hdr;
    183     tBTA_AG_RES       result;
    184     tBTA_AG_RES_DATA  data;
    185 } tBTA_AG_API_RESULT;
    186 
    187 /* data type for BTA_AG_API_SETCODEC_EVT */
    188 typedef struct
    189 {
    190     BT_HDR              hdr;
    191     tBTA_AG_PEER_CODEC  codec;
    192 } tBTA_AG_API_SETCODEC;
    193 
    194 /* data type for BTA_AG_DISC_RESULT_EVT */
    195 typedef struct
    196 {
    197     BT_HDR          hdr;
    198     UINT16          status;
    199 } tBTA_AG_DISC_RESULT;
    200 
    201 /* data type for RFCOMM events */
    202 typedef struct
    203 {
    204     BT_HDR          hdr;
    205     UINT16          port_handle;
    206 } tBTA_AG_RFC;
    207 
    208 /* data type for BTA_AG_CI_RX_WRITE_EVT */
    209 typedef struct
    210 {
    211     BT_HDR          hdr;
    212 //    char            p_data[BTA_AG_MTU+1];
    213 } tBTA_AG_CI_RX_WRITE;
    214 
    215 /* union of all event datatypes */
    216 typedef union
    217 {
    218     BT_HDR                  hdr;
    219     tBTA_AG_API_ENABLE      api_enable;
    220     tBTA_AG_API_REGISTER    api_register;
    221     tBTA_AG_API_OPEN        api_open;
    222     tBTA_AG_API_RESULT      api_result;
    223 #if (BTM_WBS_INCLUDED == TRUE )
    224     tBTA_AG_API_SETCODEC    api_setcodec;
    225 #endif
    226     tBTA_AG_DISC_RESULT     disc_result;
    227     tBTA_AG_RFC             rfc;
    228     tBTA_AG_CI_RX_WRITE     ci_rx_write;
    229 } tBTA_AG_DATA;
    230 
    231 /* type for each profile */
    232 typedef struct
    233 {
    234     UINT32          sdp_handle;
    235     UINT8           scn;
    236 } tBTA_AG_PROFILE;
    237 
    238 #if (BTM_WBS_INCLUDED == TRUE)
    239 typedef enum
    240 {
    241     BTA_AG_SCO_MSBC_SETTINGS_T2 = 0, /* preferred/default when codec is mSBC */
    242     BTA_AG_SCO_MSBC_SETTINGS_T1,
    243 } tBTA_AG_SCO_MSBC_SETTINGS;
    244 #endif
    245 
    246 /* type for each service control block */
    247 typedef struct
    248 {
    249     char                clip[BTA_AG_AT_MAX_LEN+1]; /* number string used for CLIP */
    250     UINT16              serv_handle[BTA_AG_NUM_IDX]; /* RFCOMM server handles */
    251     tBTA_AG_AT_CB       at_cb;          /* AT command interpreter */
    252     BD_ADDR             peer_addr;      /* peer bd address */
    253     tSDP_DISCOVERY_DB   *p_disc_db;     /* pointer to discovery database */
    254     tBTA_SERVICE_MASK   reg_services;   /* services specified in register API */
    255     tBTA_SERVICE_MASK   open_services;  /* services specified in open API */
    256     UINT16              conn_handle;    /* RFCOMM handle of connected service */
    257     tBTA_SEC            serv_sec_mask;  /* server security mask */
    258     tBTA_SEC            cli_sec_mask;   /* client security mask */
    259     tBTA_AG_FEAT        features;       /* features registered by application */
    260     tBTA_AG_PEER_FEAT   peer_features;  /* peer device features */
    261     UINT16              peer_version;   /* profile version of peer device */
    262     UINT16              hsp_version;    /* HSP profile version */
    263     UINT16              sco_idx;        /* SCO handle */
    264     BOOLEAN             in_use;         /* scb in use */
    265     BOOLEAN             dealloc;        /* TRUE if service shutting down */
    266     BOOLEAN             clip_enabled;   /* set to TRUE if HF enables CLIP reporting */
    267     BOOLEAN             ccwa_enabled;   /* set to TRUE if HF enables CCWA reporting */
    268     BOOLEAN             cmer_enabled;   /* set to TRUE if HF enables CMER reporting */
    269     BOOLEAN             cmee_enabled;   /* set to TRUE if HF enables CME ERROR reporting */
    270     BOOLEAN             inband_enabled; /* set to TRUE if inband ring enabled */
    271     BOOLEAN             svc_conn;       /* set to TRUE when service level connection up */
    272     UINT8               state;          /* state machine state */
    273     UINT8               conn_service;   /* connected service */
    274     UINT8               peer_scn;       /* peer scn */
    275     UINT8               app_id;         /* application id */
    276     UINT8               role;           /* initiator/acceptor role */
    277     UINT8               post_sco;       /* action to perform after sco event */
    278     UINT8               call_ind;       /* CIEV call indicator value */
    279     UINT8               callsetup_ind;  /* CIEV callsetup indicator value */
    280     UINT8               service_ind;    /* CIEV service indicator value */
    281     UINT8               signal_ind;     /* CIEV signal indicator value */
    282     UINT8               roam_ind;       /* CIEV roam indicator value */
    283     UINT8               battchg_ind;    /* CIEV battery charge indicator value */
    284     UINT8               callheld_ind;   /* CIEV call held indicator value */
    285     BOOLEAN             retry_with_sco_only; /* indicator to try with SCO only when eSCO fails */
    286     UINT32              bia_masked_out; /* indicators HF does not want us to send */
    287     alarm_t             *collision_timer;
    288     alarm_t             *ring_timer;
    289 #if (BTM_WBS_INCLUDED == TRUE)
    290     alarm_t             *codec_negotiation_timer;
    291     tBTA_AG_PEER_CODEC  peer_codecs;    /* codecs for eSCO supported by the peer */
    292     tBTA_AG_PEER_CODEC  sco_codec;      /* codec to be used for eSCO connection */
    293     tBTA_AG_PEER_CODEC  inuse_codec;    /* codec being used for the current SCO connection */
    294     BOOLEAN             codec_updated;  /* set to TRUE whenever the app updates codec type */
    295     BOOLEAN             codec_fallback; /* If sco nego fails for mSBC, fallback to CVSD */
    296     tBTA_AG_SCO_MSBC_SETTINGS codec_msbc_settings; /* settings to be used for the impending eSCO */
    297 #endif
    298 
    299     tBTA_AG_HF_IND      peer_hf_indicators[BTA_AG_MAX_NUM_PEER_HF_IND];   /* Peer supported
    300                                                                       HF indicators */
    301     tBTA_AG_HF_IND      local_hf_indicators[BTA_AG_MAX_NUM_LOCAL_HF_IND]; /* Local supported
    302                                                                       HF indicators */
    303 } tBTA_AG_SCB;
    304 
    305 /* type for sco data */
    306 typedef struct
    307 {
    308     tBTM_ESCO_CONN_REQ_EVT_DATA  conn_data;     /* SCO data for pending conn request */
    309     tBTA_AG_SCB                 *p_curr_scb;    /* SCB associated with SCO connection */
    310     tBTA_AG_SCB                 *p_xfer_scb;    /* SCB associated with SCO transfer */
    311     UINT16                      cur_idx;        /* SCO handle */
    312     UINT8                       state;          /* SCO state variable */
    313     BOOLEAN                     param_updated;  /* if params were updated to non-default */
    314     tBTM_ESCO_PARAMS            params;         /* ESCO parameters */
    315 } tBTA_AG_SCO_CB;
    316 
    317 
    318 /* type for AG control block */
    319 typedef struct
    320 {
    321     tBTA_AG_SCB         scb[BTA_AG_NUM_SCB];        /* service control blocks */
    322     tBTA_AG_PROFILE     profile[BTA_AG_NUM_IDX];    /* profile-specific data */
    323     tBTA_AG_SCO_CB      sco;                        /* SCO data */
    324     tBTA_AG_CBACK       *p_cback;                   /* application callback */
    325     tBTA_AG_PARSE_MODE  parse_mode;                 /* parse/pass-through mode */
    326 } tBTA_AG_CB;
    327 
    328 /*****************************************************************************
    329 **  Global data
    330 *****************************************************************************/
    331 
    332 /* constant lookup tables */
    333 extern const UINT16 bta_ag_uuid[BTA_AG_NUM_IDX];
    334 extern const UINT8 bta_ag_sec_id[BTA_AG_NUM_IDX];
    335 extern const tBTA_AG_AT_CMD *bta_ag_at_tbl[BTA_AG_NUM_IDX];
    336 
    337 /* control block declaration */
    338 #if BTA_DYNAMIC_MEMORY == FALSE
    339 extern tBTA_AG_CB bta_ag_cb;
    340 #else
    341 extern tBTA_AG_CB *bta_ag_cb_ptr;
    342 #define bta_ag_cb (*bta_ag_cb_ptr)
    343 #endif
    344 
    345 /* config struct */
    346 extern tBTA_AG_CFG *p_bta_ag_cfg;
    347 extern tBTA_AG_HF_IND bta_ag_local_hf_ind_cfg[];
    348 
    349 /*****************************************************************************
    350 **  Function prototypes
    351 *****************************************************************************/
    352 
    353 /* main functions */
    354 extern void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb);
    355 extern UINT16 bta_ag_scb_to_idx(tBTA_AG_SCB *p_scb);
    356 extern tBTA_AG_SCB *bta_ag_scb_by_idx(UINT16 idx);
    357 extern UINT8 bta_ag_service_to_idx(tBTA_SERVICE_MASK services);
    358 extern UINT16 bta_ag_idx_by_bdaddr(BD_ADDR peer_addr);
    359 extern BOOLEAN bta_ag_other_scb_open(tBTA_AG_SCB *p_curr_scb);
    360 extern BOOLEAN bta_ag_scb_open(tBTA_AG_SCB *p_curr_scb);
    361 extern tBTA_AG_SCB *bta_ag_get_other_idle_scb (tBTA_AG_SCB *p_curr_scb);
    362 extern void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data);
    363 extern BOOLEAN bta_ag_hdl_event(BT_HDR *p_msg);
    364 extern void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id,
    365                                     UINT8 app_id, BD_ADDR peer_addr);
    366 extern void bta_ag_resume_open (tBTA_AG_SCB *p_scb);
    367 
    368 /* SDP functions */
    369 extern BOOLEAN bta_ag_add_record(UINT16 service_uuid, char *p_service_name, UINT8 scn,
    370                                  tBTA_AG_FEAT features, UINT32 sdp_handle);
    371 extern void bta_ag_create_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    372 extern void bta_ag_del_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    373 extern BOOLEAN bta_ag_sdp_find_attr(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service);
    374 extern void bta_ag_do_disc(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service);
    375 extern void bta_ag_free_db(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    376 
    377 /* RFCOMM functions */
    378 extern void bta_ag_start_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services);
    379 extern void bta_ag_close_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services);
    380 extern BOOLEAN bta_ag_is_server_closed (tBTA_AG_SCB *p_scb);
    381 extern void bta_ag_rfc_do_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    382 extern void bta_ag_rfc_do_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    383 
    384 /* SCO functions */
    385 extern BOOLEAN bta_ag_sco_is_open(tBTA_AG_SCB *p_scb);
    386 extern BOOLEAN bta_ag_sco_is_opening(tBTA_AG_SCB *p_scb);
    387 extern void bta_ag_sco_conn_rsp(tBTA_AG_SCB *p_scb, tBTM_ESCO_CONN_REQ_EVT_DATA *p_data);
    388 
    389 /* AT command functions */
    390 extern void bta_ag_at_hsp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type,
    391                                 char *p_arg, INT16 int_arg);
    392 extern void bta_ag_at_hfp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type,
    393                                 char *p_arg, INT16 int_arg);
    394 extern void bta_ag_at_err_cback(tBTA_AG_SCB *p_scb, BOOLEAN unknown, char *p_arg);
    395 extern BOOLEAN bta_ag_inband_enabled(tBTA_AG_SCB *p_scb);
    396 extern void bta_ag_send_call_inds(tBTA_AG_SCB *p_scb, tBTA_AG_RES result);
    397 
    398 /* Action functions */
    399 extern void bta_ag_register(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    400 extern void bta_ag_deregister(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    401 extern void bta_ag_start_dereg(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    402 extern void bta_ag_start_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    403 extern void bta_ag_start_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    404 extern void bta_ag_disc_int_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    405 extern void bta_ag_disc_acp_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    406 extern void bta_ag_disc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    407 extern void bta_ag_open_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    408 extern void bta_ag_rfc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    409 extern void bta_ag_rfc_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    410 extern void bta_ag_rfc_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    411 extern void bta_ag_rfc_acp_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    412 extern void bta_ag_rfc_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    413 extern void bta_ag_sco_listen(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    414 extern void bta_ag_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    415 extern void bta_ag_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    416 #if (BTM_WBS_INCLUDED == TRUE )
    417 extern void bta_ag_sco_codec_nego(tBTA_AG_SCB *p_scb, BOOLEAN result);
    418 extern void bta_ag_codec_negotiate (tBTA_AG_SCB *p_scb);
    419 #endif
    420 extern void bta_ag_sco_shutdown(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    421 extern void bta_ag_sco_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    422 extern void bta_ag_sco_conn_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    423 extern void bta_ag_post_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    424 extern void bta_ag_post_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    425 extern void bta_ag_svc_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    426 extern void bta_ag_result(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    427 extern void bta_ag_setcodec(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    428 #if (BTM_WBS_INCLUDED == TRUE )
    429 extern void bta_ag_send_bcs(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    430 #endif
    431 extern void bta_ag_send_ring(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    432 extern void bta_ag_ci_sco_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    433 extern void bta_ag_set_esco_param(BOOLEAN set_reset, tBTM_ESCO_PARAMS *param);
    434 extern void bta_ag_ci_rx_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    435 extern void bta_ag_rcvd_slc_ready(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data);
    436 #endif /* BTA_AG_INT_H */
    437