1 /******************************************************************************
2  *
3  *  Copyright (C) 2009-2012 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 #define LOG_TAG "bt_btif_bta_ag"
20 
21 #include <cutils/properties.h>
22 
23 #include "bta/include/bta_ag_api.h"
24 #include "hci/include/hci_audio.h"
25 #include "osi/include/osi.h"
26 
27 /*******************************************************************************
28 **
29 ** Function         bta_ag_co_init
30 **
31 ** Description      This callout function is executed by AG when it is
32 **                  started by calling BTA_AgEnable().  This function can be
33 **                  used by the phone to initialize audio paths or for other
34 **                  initialization purposes.
35 **
36 **
37 ** Returns          Void.
38 **
39 *******************************************************************************/
bta_ag_co_init(void)40 void bta_ag_co_init(void)
41 {
42     BTM_WriteVoiceSettings(AG_VOICE_SETTINGS);
43 }
44 
45 
46 /*******************************************************************************
47 **
48 ** Function         bta_ag_co_audio_state
49 **
50 ** Description      This function is called by the AG before the audio connection
51 **                  is brought up, after it comes up, and after it goes down.
52 **
53 ** Parameters       handle - handle of the AG instance
54 **                  state - Audio state
55 **                  codec - if WBS support is compiled in, codec to going to be used is provided
56 **                      and when in SCO_STATE_SETUP, BTM_I2SPCMConfig() must be called with
57 **                      the correct platform parameters.
58 **                      in the other states codec type should not be ignored
59 **
60 ** Returns          void
61 **
62 *******************************************************************************/
63 #if (BTM_WBS_INCLUDED == TRUE )
bta_ag_co_audio_state(UINT16 handle,UINT8 app_id,UINT8 state,tBTA_AG_PEER_CODEC codec)64 void bta_ag_co_audio_state(UINT16 handle, UINT8 app_id, UINT8 state, tBTA_AG_PEER_CODEC codec)
65 #else
66 void bta_ag_co_audio_state(UINT16 handle, UINT8 app_id, UINT8 state)
67 #endif
68 {
69     BTIF_TRACE_DEBUG("bta_ag_co_audio_state: handle %d, state %d", handle, state);
70     switch (state)
71     {
72     case SCO_STATE_OFF:
73 #if (BTM_WBS_INCLUDED == TRUE )
74         BTIF_TRACE_DEBUG("bta_ag_co_audio_state(handle %d)::Closed (OFF), codec: 0x%x",
75                         handle, codec);
76         set_audio_state(handle, codec, state);
77 #else
78         BTIF_TRACE_DEBUG("bta_ag_co_audio_state(handle %d)::Closed (OFF)",
79                         handle);
80 #endif
81         break;
82     case SCO_STATE_OFF_TRANSFER:
83         BTIF_TRACE_DEBUG("bta_ag_co_audio_state(handle %d)::Closed (XFERRING)", handle);
84         break;
85     case SCO_STATE_SETUP:
86 #if (BTM_WBS_INCLUDED == TRUE )
87         set_audio_state(handle, codec, state);
88 #else
89         set_audio_state(handle, BTA_AG_CODEC_CVSD, state);
90 #endif
91         break;
92     default:
93         break;
94     }
95 #if (BTM_WBS_INCLUDED == TRUE )
96     APPL_TRACE_DEBUG("bta_ag_co_audio_state(handle %d, app_id: %d, state %d, codec: 0x%x)",
97                       handle, app_id, state, codec);
98 #else
99     APPL_TRACE_DEBUG("bta_ag_co_audio_state(handle %d, app_id: %d, state %d)", \
100     handle, app_id, state);
101 #endif
102 }
103 
104 
105 /*******************************************************************************
106 **
107 ** Function         bta_ag_co_data_open
108 **
109 ** Description      This function is executed by AG when a service level connection
110 **                  is opened.  The phone can use this function to set
111 **                  up data paths or perform any required initialization or
112 **                  set up particular to the connected service.
113 **
114 **
115 ** Returns          void
116 **
117 *******************************************************************************/
bta_ag_co_data_open(UINT16 handle,tBTA_SERVICE_ID service)118 void bta_ag_co_data_open(UINT16 handle, tBTA_SERVICE_ID service)
119 {
120     BTIF_TRACE_DEBUG("bta_ag_co_data_open handle:%d service:%d", handle, service);
121 }
122 
123 /*******************************************************************************
124 **
125 ** Function         bta_ag_co_data_close
126 **
127 ** Description      This function is called by AG when a service level
128 **                  connection is closed
129 **
130 **
131 ** Returns          void
132 **
133 *******************************************************************************/
bta_ag_co_data_close(UINT16 handle)134 void bta_ag_co_data_close(UINT16 handle)
135 {
136     BTIF_TRACE_DEBUG("bta_ag_co_data_close handle:%d", handle);
137 }
138 
139 
140 /*******************************************************************************
141  **
142  ** Function         bta_ag_co_tx_write
143  **
144  ** Description      This function is called by the AG to send data to the
145  **                  phone when the AG is configured for AT command pass-through.
146  **                  The implementation of this function must copy the data to
147  **                  the phones memory.
148  **
149  ** Returns          void
150  **
151  *******************************************************************************/
bta_ag_co_tx_write(UINT16 handle,UNUSED_ATTR UINT8 * p_data,UINT16 len)152 void bta_ag_co_tx_write(UINT16 handle, UNUSED_ATTR UINT8 * p_data, UINT16 len)
153 {
154     BTIF_TRACE_DEBUG( "bta_ag_co_tx_write: handle: %d, len: %d", handle, len );
155 }
156