/****************************************************************************** * * Copyright (C) 2003-2012 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 is the private interface file for the BTA audio gateway. * ******************************************************************************/ #ifndef BTA_AG_INT_H #define BTA_AG_INT_H #include "bta_sys.h" #include "bta_api.h" #include "bta_ag_api.h" #include "bta_ag_at.h" /* Send RING & CLIP in one AT cmd */ #ifndef BTA_AG_MULTI_RESULT_INCLUDED #define BTA_AG_MULTI_RESULT_INCLUDED FALSE #endif /* Replace : in VGS and VGM for HSP */ #ifndef BTA_HSP_RESULT_REPLACE_COLON #define BTA_HSP_RESULT_REPLACE_COLON TRUE #endif /***************************************************************************** ** Constants *****************************************************************************/ #define HFP_VERSION_1_1 0x0101 #define HFP_VERSION_1_5 0x0105 #define HFP_VERSION_1_6 0x0106 #define HSP_VERSION_1_0 0x0100 #define HSP_VERSION_1_2 0x0102 /* Number of SCBs (AG service instances that can be registered) */ #ifndef BTA_AG_NUM_SCB #define BTA_AG_NUM_SCB 2 #endif /* Timer to wait for retry in case of collision */ #ifndef BTA_AG_COLLISION_TIMER #define BTA_AG_COLLISION_TIMER 2000 #endif /* RFCOMM MTU SIZE */ #define BTA_AG_MTU 256 /* Internal profile indexes */ #define BTA_AG_HSP 0 /* index for HSP */ #define BTA_AG_HFP 1 /* index for HFP */ #define BTA_AG_NUM_IDX 2 /* number of profile indexes */ /* profile role for connection */ #define BTA_AG_ACP 0 /* accepted connection */ #define BTA_AG_INT 1 /* initiating connection */ /* feature mask that matches spec */ #define BTA_AG_BSRF_FEAT_SPEC (BTA_AG_FEAT_3WAY | BTA_AG_FEAT_ECNR | \ BTA_AG_FEAT_VREC | BTA_AG_FEAT_INBAND | \ BTA_AG_FEAT_VTAG | BTA_AG_FEAT_REJECT | \ BTA_AG_FEAT_ECS | BTA_AG_FEAT_ECC | \ BTA_AG_FEAT_EXTERR | BTA_AG_FEAT_CODEC | \ BTA_AG_FEAT_VOIP) #define BTA_AG_SDP_FEAT_SPEC (BTA_AG_FEAT_3WAY | BTA_AG_FEAT_ECNR | \ BTA_AG_FEAT_VREC | BTA_AG_FEAT_INBAND | \ BTA_AG_FEAT_VTAG) enum { /* these events are handled by the state machine */ BTA_AG_API_REGISTER_EVT = BTA_SYS_EVT_START(BTA_ID_AG), BTA_AG_API_DEREGISTER_EVT, BTA_AG_API_OPEN_EVT, BTA_AG_API_CLOSE_EVT, BTA_AG_API_AUDIO_OPEN_EVT, BTA_AG_API_AUDIO_CLOSE_EVT, BTA_AG_API_RESULT_EVT, BTA_AG_API_SETCODEC_EVT, BTA_AG_RFC_OPEN_EVT, BTA_AG_RFC_CLOSE_EVT, BTA_AG_RFC_SRV_CLOSE_EVT, BTA_AG_RFC_DATA_EVT, BTA_AG_SCO_OPEN_EVT, BTA_AG_SCO_CLOSE_EVT, BTA_AG_DISC_ACP_RES_EVT, BTA_AG_DISC_INT_RES_EVT, BTA_AG_DISC_OK_EVT, BTA_AG_DISC_FAIL_EVT, BTA_AG_CI_RX_WRITE_EVT, BTA_AG_RING_TOUT_EVT, BTA_AG_SVC_TOUT_EVT, BTA_AG_CI_SCO_DATA_EVT, BTA_AG_CI_SLC_READY_EVT, BTA_AG_MAX_EVT, /* these events are handled outside of the state machine */ BTA_AG_API_ENABLE_EVT, BTA_AG_API_DISABLE_EVT }; /* Actions to perform after a SCO event */ enum { BTA_AG_POST_SCO_NONE, /* no action */ BTA_AG_POST_SCO_CLOSE_RFC, /* close RFCOMM channel after SCO closes */ BTA_AG_POST_SCO_RING, /* send RING result code after SCO opens */ BTA_AG_POST_SCO_CALL_CONN, /* send call indicators after SCO opens/closes */ BTA_AG_POST_SCO_CALL_ORIG, /* send call indicators after SCO closes */ BTA_AG_POST_SCO_CALL_END, /* send call indicators after SCO closes */ BTA_AG_POST_SCO_CALL_END_INCALL /* send call indicators for end call & incoming call after SCO closes */ }; /* sco states */ enum { BTA_AG_SCO_SHUTDOWN_ST, /* no sco listening, all sco connections closed */ BTA_AG_SCO_LISTEN_ST, /* sco listening */ #if (BTM_WBS_INCLUDED == TRUE ) BTA_AG_SCO_CODEC_ST, /* sco codec negotiation */ #endif BTA_AG_SCO_OPENING_ST, /* sco connection opening */ BTA_AG_SCO_OPEN_CL_ST, /* opening sco connection being closed */ BTA_AG_SCO_OPEN_XFER_ST, /* opening sco connection being transferred */ BTA_AG_SCO_OPEN_ST, /* sco open */ BTA_AG_SCO_CLOSING_ST, /* sco closing */ BTA_AG_SCO_CLOSE_OP_ST, /* closing sco being opened */ BTA_AG_SCO_CLOSE_XFER_ST, /* closing sco being transferred */ BTA_AG_SCO_SHUTTING_ST /* sco shutting down */ }; /***************************************************************************** ** Data types *****************************************************************************/ /* data type for BTA_AG_API_ENABLE_EVT */ typedef struct { BT_HDR hdr; tBTA_AG_PARSE_MODE parse_mode; tBTA_AG_CBACK *p_cback; } tBTA_AG_API_ENABLE; /* data type for BTA_AG_API_REGISTER_EVT */ typedef struct { BT_HDR hdr; char p_name[2][BTA_SERVICE_NAME_LEN+1]; tBTA_SERVICE_MASK services; tBTA_SEC sec_mask; tBTA_AG_FEAT features; UINT8 app_id; } tBTA_AG_API_REGISTER; /* data type for BTA_AG_API_OPEN_EVT */ typedef struct { BT_HDR hdr; BD_ADDR bd_addr; tBTA_SERVICE_MASK services; tBTA_SEC sec_mask; } tBTA_AG_API_OPEN; /* data type for BTA_AG_API_RESULT_EVT */ typedef struct { BT_HDR hdr; tBTA_AG_RES result; tBTA_AG_RES_DATA data; } tBTA_AG_API_RESULT; /* data type for BTA_AG_API_SETCODEC_EVT */ typedef struct { BT_HDR hdr; tBTA_AG_PEER_CODEC codec; } tBTA_AG_API_SETCODEC; /* data type for BTA_AG_DISC_RESULT_EVT */ typedef struct { BT_HDR hdr; UINT16 status; } tBTA_AG_DISC_RESULT; /* data type for RFCOMM events */ typedef struct { BT_HDR hdr; UINT16 port_handle; } tBTA_AG_RFC; /* data type for BTA_AG_CI_RX_WRITE_EVT */ typedef struct { BT_HDR hdr; // char p_data[BTA_AG_MTU+1]; } tBTA_AG_CI_RX_WRITE; /* union of all event datatypes */ typedef union { BT_HDR hdr; tBTA_AG_API_ENABLE api_enable; tBTA_AG_API_REGISTER api_register; tBTA_AG_API_OPEN api_open; tBTA_AG_API_RESULT api_result; #if (BTM_WBS_INCLUDED == TRUE ) tBTA_AG_API_SETCODEC api_setcodec; #endif tBTA_AG_DISC_RESULT disc_result; tBTA_AG_RFC rfc; tBTA_AG_CI_RX_WRITE ci_rx_write; } tBTA_AG_DATA; /* type for each profile */ typedef struct { UINT32 sdp_handle; UINT8 scn; } tBTA_AG_PROFILE; /* type for each service control block */ typedef struct { char clip[BTA_AG_AT_MAX_LEN+1]; /* number string used for CLIP */ UINT16 serv_handle[BTA_AG_NUM_IDX]; /* RFCOMM server handles */ tBTA_AG_AT_CB at_cb; /* AT command interpreter */ TIMER_LIST_ENT act_timer; /* ring timer */ BD_ADDR peer_addr; /* peer bd address */ tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ tBTA_SERVICE_MASK reg_services; /* services specified in register API */ tBTA_SERVICE_MASK open_services; /* services specified in open API */ UINT16 conn_handle; /* RFCOMM handle of connected service */ tBTA_SEC serv_sec_mask; /* server security mask */ tBTA_SEC cli_sec_mask; /* client security mask */ tBTA_AG_FEAT features; /* features registered by application */ tBTA_AG_PEER_FEAT peer_features; /* peer device features */ UINT16 peer_version; /* profile version of peer device */ UINT16 hsp_version; /* HSP profile version */ #if (BTM_WBS_INCLUDED == TRUE ) tBTA_AG_PEER_CODEC peer_codecs; /* codecs for eSCO supported by the peer */ tBTA_AG_PEER_CODEC sco_codec; /* codec to be used for eSCO connection */ tBTA_AG_PEER_CODEC inuse_codec; /* codec being used for the current SCO connection */ BOOLEAN codec_updated; /* set to TRUE whenever the app updates codec type */ BOOLEAN codec_fallback; /* If sco nego fails for mSBC, fallback to CVSD */ TIMER_LIST_ENT cn_timer; /* codec negotiation timer */ #endif UINT16 sco_idx; /* SCO handle */ BOOLEAN in_use; /* scb in use */ BOOLEAN dealloc; /* TRUE if service shutting down */ BOOLEAN clip_enabled; /* set to TRUE if HF enables CLIP reporting */ BOOLEAN ccwa_enabled; /* set to TRUE if HF enables CCWA reporting */ BOOLEAN cmer_enabled; /* set to TRUE if HF enables CMER reporting */ BOOLEAN cmee_enabled; /* set to TRUE if HF enables CME ERROR reporting */ BOOLEAN inband_enabled; /* set to TRUE if inband ring enabled */ BOOLEAN svc_conn; /* set to TRUE when service level connection up */ TIMER_LIST_ENT colli_timer; /* Collision timer */ BOOLEAN colli_tmr_on; /* TRUE if collision timer is active */ UINT8 state; /* state machine state */ UINT8 conn_service; /* connected service */ UINT8 peer_scn; /* peer scn */ UINT8 app_id; /* application id */ UINT8 role; /* initiator/acceptor role */ UINT8 post_sco; /* action to perform after sco event */ UINT8 call_ind; /* CIEV call indicator value */ UINT8 callsetup_ind; /* CIEV callsetup indicator value */ UINT8 service_ind; /* CIEV service indicator value */ UINT8 signal_ind; /* CIEV signal indicator value */ UINT8 roam_ind; /* CIEV roam indicator value */ UINT8 battchg_ind; /* CIEV battery charge indicator value */ UINT8 callheld_ind; /* CIEV call held indicator value */ BOOLEAN retry_with_sco_only; /* indicator to try with SCO only when eSCO fails */ UINT32 bia_masked_out; /* indicators HF does not want us to send */ } tBTA_AG_SCB; /* type for sco data */ typedef struct { tBTM_ESCO_CONN_REQ_EVT_DATA conn_data; /* SCO data for pending conn request */ tBTA_AG_SCB *p_curr_scb; /* SCB associated with SCO connection */ tBTA_AG_SCB *p_xfer_scb; /* SCB associated with SCO transfer */ UINT16 cur_idx; /* SCO handle */ UINT8 state; /* SCO state variable */ BOOLEAN param_updated; /* if params were updated to non-default */ tBTM_ESCO_PARAMS params; /* ESCO parameters */ } tBTA_AG_SCO_CB; /* type for AG control block */ typedef struct { tBTA_AG_SCB scb[BTA_AG_NUM_SCB]; /* service control blocks */ tBTA_AG_PROFILE profile[BTA_AG_NUM_IDX]; /* profile-specific data */ tBTA_AG_SCO_CB sco; /* SCO data */ tBTA_AG_CBACK *p_cback; /* application callback */ tBTA_AG_PARSE_MODE parse_mode; /* parse/pass-through mode */ } tBTA_AG_CB; /***************************************************************************** ** Global data *****************************************************************************/ /* constant lookup tables */ extern const UINT16 bta_ag_uuid[BTA_AG_NUM_IDX]; extern const UINT8 bta_ag_sec_id[BTA_AG_NUM_IDX]; extern const tBTA_AG_AT_CMD *bta_ag_at_tbl[BTA_AG_NUM_IDX]; /* control block declaration */ #if BTA_DYNAMIC_MEMORY == FALSE extern tBTA_AG_CB bta_ag_cb; #else extern tBTA_AG_CB *bta_ag_cb_ptr; #define bta_ag_cb (*bta_ag_cb_ptr) #endif /* config struct */ extern tBTA_AG_CFG *p_bta_ag_cfg; /***************************************************************************** ** Function prototypes *****************************************************************************/ /* main functions */ extern void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb); extern UINT16 bta_ag_scb_to_idx(tBTA_AG_SCB *p_scb); extern tBTA_AG_SCB *bta_ag_scb_by_idx(UINT16 idx); extern UINT8 bta_ag_service_to_idx(tBTA_SERVICE_MASK services); extern UINT16 bta_ag_idx_by_bdaddr(BD_ADDR peer_addr); extern BOOLEAN bta_ag_other_scb_open(tBTA_AG_SCB *p_curr_scb); extern tBTA_AG_SCB *bta_ag_get_other_idle_scb (tBTA_AG_SCB *p_curr_scb); extern void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data); extern BOOLEAN bta_ag_hdl_event(BT_HDR *p_msg); extern void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, BD_ADDR peer_addr); extern void bta_ag_resume_open (tBTA_AG_SCB *p_scb); /* SDP functions */ extern BOOLEAN bta_ag_add_record(UINT16 service_uuid, char *p_service_name, UINT8 scn, tBTA_AG_FEAT features, UINT32 sdp_handle); extern void bta_ag_create_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_del_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern BOOLEAN bta_ag_sdp_find_attr(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service); extern void bta_ag_do_disc(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service); extern void bta_ag_free_db(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); /* RFCOMM functions */ extern void bta_ag_start_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services); extern void bta_ag_close_servers(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK services); extern BOOLEAN bta_ag_is_server_closed (tBTA_AG_SCB *p_scb); extern void bta_ag_rfc_do_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_rfc_do_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); /* SCO functions */ extern BOOLEAN bta_ag_sco_is_open(tBTA_AG_SCB *p_scb); extern BOOLEAN bta_ag_sco_is_opening(tBTA_AG_SCB *p_scb); extern void bta_ag_sco_conn_rsp(tBTA_AG_SCB *p_scb, tBTM_ESCO_CONN_REQ_EVT_DATA *p_data); /* AT command functions */ extern void bta_ag_at_hsp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, char *p_arg, INT16 int_arg); extern void bta_ag_at_hfp_cback(tBTA_AG_SCB *p_scb, UINT16 cmd, UINT8 arg_type, char *p_arg, INT16 int_arg); extern void bta_ag_at_err_cback(tBTA_AG_SCB *p_scb, BOOLEAN unknown, char *p_arg); extern BOOLEAN bta_ag_inband_enabled(tBTA_AG_SCB *p_scb); extern void bta_ag_send_call_inds(tBTA_AG_SCB *p_scb, tBTA_AG_RES result); /* Action functions */ extern void bta_ag_register(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_deregister(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_start_dereg(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_start_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_start_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_disc_int_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_disc_acp_res(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_disc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_open_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_rfc_fail(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_rfc_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_rfc_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_rfc_acp_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_rfc_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_sco_listen(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); #if (BTM_WBS_INCLUDED == TRUE ) extern void bta_ag_sco_codec_nego(tBTA_AG_SCB *p_scb, BOOLEAN result); extern void bta_ag_codec_negotiate (tBTA_AG_SCB *p_scb); #endif extern void bta_ag_sco_shutdown(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_sco_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_sco_conn_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_post_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_post_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_svc_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_result(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_setcodec(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); #if (BTM_WBS_INCLUDED == TRUE ) extern void bta_ag_send_bcs(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); #endif extern void bta_ag_send_ring(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_ci_sco_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_set_esco_param(BOOLEAN set_reset, tBTM_ESCO_PARAMS *param); extern void bta_ag_ci_rx_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); extern void bta_ag_rcvd_slc_ready(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); #endif /* BTA_AG_INT_H */