1 /****************************************************************************** 2 * 3 * Copyright (c) 2014 The Android Open Source Project 4 * Copyright (C) 2003-2012 Broadcom Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at: 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 ******************************************************************************/ 19 20 #include "bta_sys.h" 21 #include "bta_api.h" 22 #include "bta_hf_client_api.h" 23 #include "bta_hf_client_at.h" 24 25 /***************************************************************************** 26 ** Constants 27 *****************************************************************************/ 28 #define HFP_VERSION_1_1 0x0101 29 #define HFP_VERSION_1_5 0x0105 30 #define HFP_VERSION_1_6 0x0106 31 32 /* RFCOMM MTU SIZE */ 33 #define BTA_HF_CLIENT_MTU 256 34 35 /* profile role for connection */ 36 #define BTA_HF_CLIENT_ACP 0 /* accepted connection */ 37 #define BTA_HF_CLIENT_INT 1 /* initiating connection */ 38 39 /* Timer to wait for retry in case of collision */ 40 #ifndef BTA_HF_CLIENT_COLLISION_TIMER 41 #define BTA_HF_CLIENT_COLLISION_TIMER 2411 42 #endif 43 44 enum 45 { 46 /* these events are handled by the state machine */ 47 BTA_HF_CLIENT_API_REGISTER_EVT = BTA_SYS_EVT_START(BTA_ID_HS), 48 BTA_HF_CLIENT_API_DEREGISTER_EVT, 49 BTA_HF_CLIENT_API_OPEN_EVT, 50 BTA_HF_CLIENT_API_CLOSE_EVT, 51 BTA_HF_CLIENT_API_AUDIO_OPEN_EVT, 52 BTA_HF_CLIENT_API_AUDIO_CLOSE_EVT, 53 BTA_HF_CLIENT_RFC_OPEN_EVT, 54 BTA_HF_CLIENT_RFC_CLOSE_EVT, 55 BTA_HF_CLIENT_RFC_SRV_CLOSE_EVT, 56 BTA_HF_CLIENT_RFC_DATA_EVT, 57 BTA_HF_CLIENT_DISC_ACP_RES_EVT, 58 BTA_HF_CLIENT_DISC_INT_RES_EVT, 59 BTA_HF_CLIENT_DISC_OK_EVT, 60 BTA_HF_CLIENT_DISC_FAIL_EVT, 61 BTA_HF_CLIENT_SCO_OPEN_EVT, 62 BTA_HF_CLIENT_SCO_CLOSE_EVT, 63 BTA_HF_CLIENT_SEND_AT_CMD_EVT, 64 BTA_HF_CLIENT_MAX_EVT, 65 66 /* these events are handled outside of the state machine */ 67 BTA_HF_CLIENT_API_ENABLE_EVT, 68 BTA_HF_CLIENT_API_DISABLE_EVT 69 }; 70 71 /***************************************************************************** 72 ** Data types 73 *****************************************************************************/ 74 75 /* data type for BTA_HF_CLIENT_API_ENABLE_EVT */ 76 typedef struct 77 { 78 BT_HDR hdr; 79 tBTA_HF_CLIENT_CBACK *p_cback; 80 } tBTA_HF_CLIENT_API_ENABLE; 81 82 /* data type for BTA_HF_CLIENT_API_REGISTER_EVT */ 83 typedef struct 84 { 85 BT_HDR hdr; 86 tBTA_HF_CLIENT_CBACK *p_cback; 87 tBTA_SEC sec_mask; 88 tBTA_HF_CLIENT_FEAT features; 89 char name[BTA_SERVICE_NAME_LEN+1]; 90 } tBTA_HF_CLIENT_API_REGISTER; 91 92 /* data type for BTA_HF_CLIENT_API_OPEN_EVT */ 93 typedef struct 94 { 95 BT_HDR hdr; 96 BD_ADDR bd_addr; 97 tBTA_SEC sec_mask; 98 } tBTA_HF_CLIENT_API_OPEN; 99 100 /* data type for BTA_HF_CLIENT_DISC_RESULT_EVT */ 101 typedef struct 102 { 103 BT_HDR hdr; 104 UINT16 status; 105 } tBTA_HF_CLIENT_DISC_RESULT; 106 107 /* data type for RFCOMM events */ 108 typedef struct 109 { 110 BT_HDR hdr; 111 UINT16 port_handle; 112 } tBTA_HF_CLIENT_RFC; 113 114 /* generic purpose data type for other events */ 115 typedef struct 116 { 117 BT_HDR hdr; 118 BOOLEAN bool_val; 119 UINT8 uint8_val; 120 UINT32 uint32_val1; 121 UINT32 uint32_val2; 122 char str[BTA_HF_CLIENT_NUMBER_LEN + 1]; 123 } tBTA_HF_CLIENT_DATA_VAL; 124 125 /* union of all event datatypes */ 126 typedef union 127 { 128 BT_HDR hdr; 129 tBTA_HF_CLIENT_API_ENABLE api_enable; 130 tBTA_HF_CLIENT_API_REGISTER api_register; 131 tBTA_HF_CLIENT_API_OPEN api_open; 132 tBTA_HF_CLIENT_DISC_RESULT disc_result; 133 tBTA_HF_CLIENT_RFC rfc; 134 tBTA_HF_CLIENT_DATA_VAL val; 135 136 } tBTA_HF_CLIENT_DATA; 137 138 /* type for each service control block */ 139 typedef struct 140 { 141 UINT16 serv_handle; /* RFCOMM server handle */ 142 BD_ADDR peer_addr; /* peer bd address */ 143 tSDP_DISCOVERY_DB *p_disc_db; /* pointer to discovery database */ 144 UINT16 conn_handle; /* RFCOMM handle of connected service */ 145 tBTA_SEC serv_sec_mask; /* server security mask */ 146 tBTA_SEC cli_sec_mask; /* client security mask */ 147 tBTA_HF_CLIENT_FEAT features; /* features registered by application */ 148 tBTA_HF_CLIENT_PEER_FEAT peer_features; /* peer device features */ 149 tBTA_HF_CLIENT_CHLD_FEAT chld_features; /* call handling features */ 150 UINT16 peer_version; /* profile version of peer device */ 151 UINT8 peer_scn; /* peer scn */ 152 UINT8 role; /* initiator/acceptor role */ 153 UINT16 sco_idx; /* SCO handle */ 154 UINT8 sco_state; /* SCO state variable */ 155 BOOLEAN sco_close_rfc; /* TRUE if also close RFCOMM after SCO */ 156 BOOLEAN retry_with_sco_only; 157 BOOLEAN deregister; /* TRUE if service shutting down */ 158 BOOLEAN svc_conn; /* set to TRUE when service level connection is up */ 159 BOOLEAN send_at_reply; /* set to TRUE to notify framework about AT results */ 160 tBTA_HF_CLIENT_AT_CB at_cb; /* AT Parser control block */ 161 UINT8 state; /* state machine state */ 162 tBTM_SCO_CODEC_TYPE negotiated_codec; /* negotiated codec */ 163 TIMER_LIST_ENT colli_timer; /* Collision timer */ 164 BOOLEAN colli_tmr_on; /* TRUE if collision timer is active */ 165 } tBTA_HF_CLIENT_SCB; 166 167 /* sco states */ 168 enum 169 { 170 BTA_HF_CLIENT_SCO_SHUTDOWN_ST, /* no listening, no connection */ 171 BTA_HF_CLIENT_SCO_LISTEN_ST, /* listening */ 172 BTA_HF_CLIENT_SCO_OPENING_ST, /* connection opening */ 173 BTA_HF_CLIENT_SCO_OPEN_CL_ST, /* opening connection being closed */ 174 BTA_HF_CLIENT_SCO_OPEN_ST, /* open */ 175 BTA_HF_CLIENT_SCO_CLOSING_ST, /* closing */ 176 BTA_HF_CLIENT_SCO_CLOSE_OP_ST, /* closing sco being opened */ 177 BTA_HF_CLIENT_SCO_SHUTTING_ST /* sco shutting down */ 178 }; 179 180 /* type for AG control block */ 181 typedef struct 182 { 183 tBTA_HF_CLIENT_SCB scb; /* service control block */ 184 UINT32 sdp_handle; 185 UINT8 scn; 186 tBTA_HF_CLIENT_CBACK *p_cback; /* application callback */ 187 BOOLEAN msbc_enabled; 188 } tBTA_HF_CLIENT_CB; 189 190 /***************************************************************************** 191 ** Global data 192 *****************************************************************************/ 193 194 /* control block declaration */ 195 extern tBTA_HF_CLIENT_CB bta_hf_client_cb; 196 197 /***************************************************************************** 198 ** Function prototypes 199 *****************************************************************************/ 200 201 /* main functions */ 202 extern void bta_hf_client_scb_init(void); 203 extern void bta_hf_client_scb_disable(void); 204 extern BOOLEAN bta_hf_client_hdl_event(BT_HDR *p_msg); 205 extern void bta_hf_client_sm_execute(UINT16 event, 206 tBTA_HF_CLIENT_DATA *p_data); 207 extern void bta_hf_client_slc_seq(BOOLEAN error); 208 extern void bta_hf_client_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, 209 UINT8 app_id, BD_ADDR peer_addr); 210 extern void bta_hf_client_resume_open (); 211 212 /* SDP functions */ 213 extern BOOLEAN bta_hf_client_add_record(char *p_service_name, 214 UINT8 scn, tBTA_HF_CLIENT_FEAT features, 215 UINT32 sdp_handle); 216 extern void bta_hf_client_create_record(tBTA_HF_CLIENT_DATA *p_data); 217 extern void bta_hf_client_del_record(tBTA_HF_CLIENT_DATA *p_data); 218 extern BOOLEAN bta_hf_client_sdp_find_attr(void); 219 extern void bta_hf_client_do_disc(void); 220 extern void bta_hf_client_free_db(tBTA_HF_CLIENT_DATA *p_data); 221 222 /* RFCOMM functions */ 223 extern void bta_hf_client_setup_port(UINT16 handle); 224 extern void bta_hf_client_start_server(void); 225 extern void bta_hf_client_close_server(void); 226 extern void bta_hf_client_rfc_do_open(tBTA_HF_CLIENT_DATA *p_data); 227 extern void bta_hf_client_rfc_do_close(tBTA_HF_CLIENT_DATA *p_data); 228 229 /* SCO functions */ 230 extern void bta_hf_client_sco_listen(tBTA_HF_CLIENT_DATA *p_data); 231 extern void bta_hf_client_sco_shutdown(tBTA_HF_CLIENT_DATA *p_data); 232 extern void bta_hf_client_sco_conn_open(tBTA_HF_CLIENT_DATA *p_data); 233 extern void bta_hf_client_sco_conn_close(tBTA_HF_CLIENT_DATA *p_data); 234 extern void bta_hf_client_sco_open(tBTA_HF_CLIENT_DATA *p_data); 235 extern void bta_hf_client_sco_close(tBTA_HF_CLIENT_DATA *p_data); 236 extern void bta_hf_client_cback_sco(UINT8 event); 237 238 /* AT command functions */ 239 extern void bta_hf_client_at_parse(char *buf, unsigned int len); 240 extern void bta_hf_client_send_at_brsf(void); 241 extern void bta_hf_client_send_at_bac(void); 242 extern void bta_hf_client_send_at_cind(BOOLEAN status); 243 extern void bta_hf_client_send_at_cmer(BOOLEAN activate); 244 extern void bta_hf_client_send_at_chld(char cmd, UINT32 idx); 245 extern void bta_hf_client_send_at_clip(BOOLEAN activate); 246 extern void bta_hf_client_send_at_ccwa(BOOLEAN activate); 247 extern void bta_hf_client_send_at_cmee(BOOLEAN activate); 248 extern void bta_hf_client_send_at_cops(BOOLEAN query); 249 extern void bta_hf_client_send_at_clcc(void); 250 extern void bta_hf_client_send_at_bvra(BOOLEAN enable); 251 extern void bta_hf_client_send_at_vgs(UINT32 volume); 252 extern void bta_hf_client_send_at_vgm(UINT32 volume); 253 extern void bta_hf_client_send_at_atd(char *number, UINT32 memory); 254 extern void bta_hf_client_send_at_bldn(void); 255 extern void bta_hf_client_send_at_ata(void); 256 extern void bta_hf_client_send_at_chup(void); 257 extern void bta_hf_client_send_at_btrh(BOOLEAN query, UINT32 val); 258 extern void bta_hf_client_send_at_vts(char code); 259 extern void bta_hf_client_send_at_bcc(void); 260 extern void bta_hf_client_send_at_bcs(UINT32 codec); 261 extern void bta_hf_client_send_at_cnum(void); 262 extern void bta_hf_client_send_at_nrec(void); 263 extern void bta_hf_client_send_at_binp(UINT32 action); 264 extern void bta_hf_client_send_at_bia(void); 265 266 /* Action functions */ 267 extern void bta_hf_client_register(tBTA_HF_CLIENT_DATA *p_data); 268 extern void bta_hf_client_deregister(tBTA_HF_CLIENT_DATA *p_data); 269 extern void bta_hf_client_start_dereg(tBTA_HF_CLIENT_DATA *p_data); 270 extern void bta_hf_client_start_close(tBTA_HF_CLIENT_DATA *p_data); 271 extern void bta_hf_client_start_open(tBTA_HF_CLIENT_DATA *p_data); 272 extern void bta_hf_client_rfc_acp_open(tBTA_HF_CLIENT_DATA *p_data); 273 extern void bta_hf_client_rfc_open(tBTA_HF_CLIENT_DATA *p_data); 274 extern void bta_hf_client_rfc_fail(tBTA_HF_CLIENT_DATA *p_data); 275 extern void bta_hf_client_disc_fail(tBTA_HF_CLIENT_DATA *p_data); 276 extern void bta_hf_client_open_fail(tBTA_HF_CLIENT_DATA *p_data); 277 extern void bta_hf_client_rfc_close(tBTA_HF_CLIENT_DATA *p_data); 278 extern void bta_hf_client_disc_acp_res(tBTA_HF_CLIENT_DATA *p_data); 279 extern void bta_hf_client_rfc_data(tBTA_HF_CLIENT_DATA *p_data); 280 extern void bta_hf_client_disc_int_res(tBTA_HF_CLIENT_DATA *p_data); 281 extern void bta_hf_client_svc_conn_open(tBTA_HF_CLIENT_DATA *p_data); 282 extern void bta_hf_client_ind(tBTA_HF_CLIENT_IND_TYPE type, UINT16 value); 283 extern void bta_hf_client_evt_val(tBTA_HF_CLIENT_EVT type, UINT16 value); 284 extern void bta_hf_client_operator_name(char *name); 285 extern void bta_hf_client_clip(char *number); 286 extern void bta_hf_client_ccwa(char *number); 287 extern void bta_hf_client_at_result(tBTA_HF_CLIENT_AT_RESULT_TYPE type, UINT16 cme); 288 extern void bta_hf_client_clcc(UINT32 idx, BOOLEAN incoming, UINT8 status, BOOLEAN mpty, char *number); 289 extern void bta_hf_client_cnum(char *number, UINT16 service); 290 extern void bta_hf_client_binp(char *number); 291 292 /* Commands handling functions */ 293 extern void bta_hf_client_dial(tBTA_HF_CLIENT_DATA *p_data); 294 extern void bta_hf_client_send_at_cmd(tBTA_HF_CLIENT_DATA *p_data); 295