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platform_hardware_libhardware/include/hardware/bt_hf_client.h
Hemant Gupta e7737c81e8 Bluetooth: Add support for HFP Client role. 
Implementation changes in HAL for HFP Client role.
Include HFP Client Interface ID.

Change-Id: I1117c6a0c53e7e7059e46711f7a26639d2bbaee3
2014-06-12 13:20:32 -07:00

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/*
* Copyright (C) 2012-2014 The Android Open Source Project
*
* 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.
*/
#ifndef ANDROID_INCLUDE_BT_HF_CLIENT_H
#define ANDROID_INCLUDE_BT_HF_CLIENT_H
__BEGIN_DECLS
typedef enum {
BTHF_CLIENT_CONNECTION_STATE_DISCONNECTED = 0,
BTHF_CLIENT_CONNECTION_STATE_CONNECTING,
BTHF_CLIENT_CONNECTION_STATE_CONNECTED,
BTHF_CLIENT_CONNECTION_STATE_SLC_CONNECTED,
BTHF_CLIENT_CONNECTION_STATE_DISCONNECTING
} bthf_client_connection_state_t;
typedef enum {
BTHF_CLIENT_AUDIO_STATE_DISCONNECTED = 0,
BTHF_CLIENT_AUDIO_STATE_CONNECTING,
BTHF_CLIENT_AUDIO_STATE_CONNECTED,
BTHF_CLIENT_AUDIO_STATE_CONNECTED_MSBC,
} bthf_client_audio_state_t;
typedef enum {
BTHF_CLIENT_VR_STATE_STOPPED = 0,
BTHF_CLIENT_VR_STATE_STARTED
} bthf_client_vr_state_t;
typedef enum {
BTHF_CLIENT_VOLUME_TYPE_SPK = 0,
BTHF_CLIENT_VOLUME_TYPE_MIC
} bthf_client_volume_type_t;
typedef enum
{
BTHF_CLIENT_NETWORK_STATE_NOT_AVAILABLE = 0,
BTHF_CLIENT_NETWORK_STATE_AVAILABLE
} bthf_client_network_state_t;
typedef enum
{
BTHF_CLIENT_SERVICE_TYPE_HOME = 0,
BTHF_CLIENT_SERVICE_TYPE_ROAMING
} bthf_client_service_type_t;
typedef enum {
BTHF_CLIENT_CALL_STATE_ACTIVE = 0,
BTHF_CLIENT_CALL_STATE_HELD,
BTHF_CLIENT_CALL_STATE_DIALING,
BTHF_CLIENT_CALL_STATE_ALERTING,
BTHF_CLIENT_CALL_STATE_INCOMING,
BTHF_CLIENT_CALL_STATE_WAITING,
BTHF_CLIENT_CALL_STATE_HELD_BY_RESP_HOLD,
} bthf_client_call_state_t;
typedef enum {
BTHF_CLIENT_CALL_NO_CALLS_IN_PROGRESS = 0,
BTHF_CLIENT_CALL_CALLS_IN_PROGRESS
} bthf_client_call_t;
typedef enum {
BTHF_CLIENT_CALLSETUP_NONE = 0,
BTHF_CLIENT_CALLSETUP_INCOMING,
BTHF_CLIENT_CALLSETUP_OUTGOING,
BTHF_CLIENT_CALLSETUP_ALERTING
} bthf_client_callsetup_t;
typedef enum {
BTHF_CLIENT_CALLHELD_NONE = 0,
BTHF_CLIENT_CALLHELD_HOLD_AND_ACTIVE,
BTHF_CLIENT_CALLHELD_HOLD,
} bthf_client_callheld_t;
typedef enum {
BTHF_CLIENT_RESP_AND_HOLD_HELD = 0,
BTRH_CLIENT_RESP_AND_HOLD_ACCEPT,
BTRH_CLIENT_RESP_AND_HOLD_REJECT,
} bthf_client_resp_and_hold_t;
typedef enum {
BTHF_CLIENT_CALL_DIRECTION_OUTGOING = 0,
BTHF_CLIENT_CALL_DIRECTION_INCOMING
} bthf_client_call_direction_t;
typedef enum {
BTHF_CLIENT_CALL_MPTY_TYPE_SINGLE = 0,
BTHF_CLIENT_CALL_MPTY_TYPE_MULTI
} bthf_client_call_mpty_type_t;
typedef enum {
BTHF_CLIENT_CMD_COMPLETE_OK = 0,
BTHF_CLIENT_CMD_COMPLETE_ERROR,
BTHF_CLIENT_CMD_COMPLETE_ERROR_NO_CARRIER,
BTHF_CLIENT_CMD_COMPLETE_ERROR_BUSY,
BTHF_CLIENT_CMD_COMPLETE_ERROR_NO_ANSWER,
BTHF_CLIENT_CMD_COMPLETE_ERROR_DELAYED,
BTHF_CLIENT_CMD_COMPLETE_ERROR_BLACKLISTED,
BTHF_CLIENT_CMD_COMPLETE_ERROR_CME
} bthf_client_cmd_complete_t;
typedef enum {
BTHF_CLIENT_CALL_ACTION_CHLD_0 = 0,
BTHF_CLIENT_CALL_ACTION_CHLD_1,
BTHF_CLIENT_CALL_ACTION_CHLD_2,
BTHF_CLIENT_CALL_ACTION_CHLD_3,
BTHF_CLIENT_CALL_ACTION_CHLD_4,
BTHF_CLIENT_CALL_ACTION_CHLD_1x,
BTHF_CLIENT_CALL_ACTION_CHLD_2x,
BTHF_CLIENT_CALL_ACTION_ATA,
BTHF_CLIENT_CALL_ACTION_CHUP,
BTHF_CLIENT_CALL_ACTION_BTRH_0,
BTHF_CLIENT_CALL_ACTION_BTRH_1,
BTHF_CLIENT_CALL_ACTION_BTRH_2,
} bthf_client_call_action_t;
typedef enum {
BTHF_CLIENT_SERVICE_UNKNOWN = 0,
BTHF_CLIENT_SERVICE_VOICE,
BTHF_CLIENT_SERVICE_FAX
} bthf_client_subscriber_service_type_t;
typedef enum {
BTHF_CLIENT_IN_BAND_RINGTONE_NOT_PROVIDED = 0,
BTHF_CLIENT_IN_BAND_RINGTONE_PROVIDED,
} bthf_client_in_band_ring_state_t;
/* Peer features masks */
#define BTHF_CLIENT_PEER_FEAT_3WAY 0x00000001 /* Three-way calling */
#define BTHF_CLIENT_PEER_FEAT_ECNR 0x00000002 /* Echo cancellation and/or noise reduction */
#define BTHF_CLIENT_PEER_FEAT_VREC 0x00000004 /* Voice recognition */
#define BTHF_CLIENT_PEER_FEAT_INBAND 0x00000008 /* In-band ring tone */
#define BTHF_CLIENT_PEER_FEAT_VTAG 0x00000010 /* Attach a phone number to a voice tag */
#define BTHF_CLIENT_PEER_FEAT_REJECT 0x00000020 /* Ability to reject incoming call */
#define BTHF_CLIENT_PEER_FEAT_ECS 0x00000040 /* Enhanced Call Status */
#define BTHF_CLIENT_PEER_FEAT_ECC 0x00000080 /* Enhanced Call Control */
#define BTHF_CLIENT_PEER_FEAT_EXTERR 0x00000100 /* Extended error codes */
#define BTHF_CLIENT_PEER_FEAT_CODEC 0x00000200 /* Codec Negotiation */
/* Peer call handling features masks */
#define BTHF_CLIENT_CHLD_FEAT_REL 0x00000001 /* 0 Release waiting call or held calls */
#define BTHF_CLIENT_CHLD_FEAT_REL_ACC 0x00000002 /* 1 Release active calls and accept other
(waiting or held) cal */
#define BTHF_CLIENT_CHLD_FEAT_REL_X 0x00000004 /* 1x Release specified active call only */
#define BTHF_CLIENT_CHLD_FEAT_HOLD_ACC 0x00000008 /* 2 Active calls on hold and accept other
(waiting or held) call */
#define BTHF_CLIENT_CHLD_FEAT_PRIV_X 0x00000010 /* 2x Request private mode with specified
call (put the rest on hold) */
#define BTHF_CLIENT_CHLD_FEAT_MERGE 0x00000020 /* 3 Add held call to multiparty */
#define BTHF_CLIENT_CHLD_FEAT_MERGE_DETACH 0x00000040 /* 4 Connect two calls and leave
(disconnect from) multiparty */
/** Callback for connection state change.
* state will have one of the values from BtHfConnectionState
* peer/chld_features are valid only for BTHF_CLIENT_CONNECTION_STATE_SLC_CONNECTED state
*/
typedef void (* bthf_client_connection_state_callback)(bthf_client_connection_state_t state,
unsigned int peer_feat,
unsigned int chld_feat,
bt_bdaddr_t *bd_addr);
/** Callback for audio connection state change.
* state will have one of the values from BtHfAudioState
*/
typedef void (* bthf_client_audio_state_callback)(bthf_client_audio_state_t state,
bt_bdaddr_t *bd_addr);
/** Callback for VR connection state change.
* state will have one of the values from BtHfVRState
*/
typedef void (* bthf_client_vr_cmd_callback)(bthf_client_vr_state_t state);
/** Callback for network state change
*/
typedef void (* bthf_client_network_state_callback) (bthf_client_network_state_t state);
/** Callback for network roaming status change
*/
typedef void (* bthf_client_network_roaming_callback) (bthf_client_service_type_t type);
/** Callback for signal strength indication
*/
typedef void (* bthf_client_network_signal_callback) (int signal_strength);
/** Callback for battery level indication
*/
typedef void (* bthf_client_battery_level_callback) (int battery_level);
/** Callback for current operator name
*/
typedef void (* bthf_client_current_operator_callback) (const char *name);
/** Callback for call indicator
*/
typedef void (* bthf_client_call_callback) (bthf_client_call_t call);
/** Callback for callsetup indicator
*/
typedef void (* bthf_client_callsetup_callback) (bthf_client_callsetup_t callsetup);
/** Callback for callheld indicator
*/
typedef void (* bthf_client_callheld_callback) (bthf_client_callheld_t callheld);
/** Callback for response and hold
*/
typedef void (* bthf_client_resp_and_hold_callback) (bthf_client_resp_and_hold_t resp_and_hold);
/** Callback for Calling Line Identification notification
* Will be called only when there is an incoming call and number is provided.
*/
typedef void (* bthf_client_clip_callback) (const char *number);
/**
* Callback for Call Waiting notification
*/
typedef void (* bthf_client_call_waiting_callback) (const char *number);
/**
* Callback for listing current calls. Can be called multiple time.
* If number is unknown NULL is passed.
*/
typedef void (*bthf_client_current_calls) (int index, bthf_client_call_direction_t dir,
bthf_client_call_state_t state,
bthf_client_call_mpty_type_t mpty,
const char *number);
/** Callback for audio volume change
*/
typedef void (*bthf_client_volume_change_callback) (bthf_client_volume_type_t type, int volume);
/** Callback for command complete event
* cme is valid only for BTHF_CLIENT_CMD_COMPLETE_ERROR_CME type
*/
typedef void (*bthf_client_cmd_complete_callback) (bthf_client_cmd_complete_t type, int cme);
/** Callback for subscriber information
*/
typedef void (* bthf_client_subscriber_info_callback) (const char *name,
bthf_client_subscriber_service_type_t type);
/** Callback for in-band ring tone settings
*/
typedef void (* bthf_client_in_band_ring_tone_callback) (bthf_client_in_band_ring_state_t state);
/**
* Callback for requested number from AG
*/
typedef void (* bthf_client_last_voice_tag_number_callback) (const char *number);
/**
* Callback for sending ring indication to app
*/
typedef void (* bthf_client_ring_indication_callback) (void);
/** BT-HF callback structure. */
typedef struct {
/** set to sizeof(BtHfClientCallbacks) */
size_t size;
bthf_client_connection_state_callback connection_state_cb;
bthf_client_audio_state_callback audio_state_cb;
bthf_client_vr_cmd_callback vr_cmd_cb;
bthf_client_network_state_callback network_state_cb;
bthf_client_network_roaming_callback network_roaming_cb;
bthf_client_network_signal_callback network_signal_cb;
bthf_client_battery_level_callback battery_level_cb;
bthf_client_current_operator_callback current_operator_cb;
bthf_client_call_callback call_cb;
bthf_client_callsetup_callback callsetup_cb;
bthf_client_callheld_callback callheld_cb;
bthf_client_resp_and_hold_callback resp_and_hold_cb;
bthf_client_clip_callback clip_cb;
bthf_client_call_waiting_callback call_waiting_cb;
bthf_client_current_calls current_calls_cb;
bthf_client_volume_change_callback volume_change_cb;
bthf_client_cmd_complete_callback cmd_complete_cb;
bthf_client_subscriber_info_callback subscriber_info_cb;
bthf_client_in_band_ring_tone_callback in_band_ring_tone_cb;
bthf_client_last_voice_tag_number_callback last_voice_tag_number_callback;
bthf_client_ring_indication_callback ring_indication_cb;
} bthf_client_callbacks_t;
/** Represents the standard BT-HF interface. */
typedef struct {
/** set to sizeof(BtHfClientInterface) */
size_t size;
/**
* Register the BtHf callbacks
*/
bt_status_t (*init)(bthf_client_callbacks_t* callbacks);
/** connect to audio gateway */
bt_status_t (*connect)(bt_bdaddr_t *bd_addr);
/** disconnect from audio gateway */
bt_status_t (*disconnect)(bt_bdaddr_t *bd_addr);
/** create an audio connection */
bt_status_t (*connect_audio)(bt_bdaddr_t *bd_addr);
/** close the audio connection */
bt_status_t (*disconnect_audio)(bt_bdaddr_t *bd_addr);
/** start voice recognition */
bt_status_t (*start_voice_recognition)(void);
/** stop voice recognition */
bt_status_t (*stop_voice_recognition)(void);
/** volume control */
bt_status_t (*volume_control) (bthf_client_volume_type_t type, int volume);
/** place a call with number a number
* if number is NULL last called number is called (aka re-dial)*/
bt_status_t (*dial) (const char *number);
/** place a call with number specified by location (speed dial) */
bt_status_t (*dial_memory) (int location);
/** perform specified call related action
* idx is limited only for enhanced call control related action
*/
bt_status_t (*handle_call_action) (bthf_client_call_action_t action, int idx);
/** query list of current calls */
bt_status_t (*query_current_calls) (void);
/** query name of current selected operator */
bt_status_t (*query_current_operator_name) (void);
/** Retrieve subscriber information */
bt_status_t (*retrieve_subscriber_info) (void);
/** Send DTMF code*/
bt_status_t (*send_dtmf) (char code);
/** Request a phone number from AG corresponding to last voice tag recorded */
bt_status_t (*request_last_voice_tag_number) (void);
/** Closes the interface. */
void (*cleanup)(void);
/** Send AT Command. */
bt_status_t (*send_at_cmd) (int cmd, int val1, int val2, const char *arg);
} bthf_client_interface_t;
__END_DECLS
#endif /* ANDROID_INCLUDE_BT_HF_CLIENT_H */
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