1 /******************************************************************************
2 *
3 * Copyright (C) 2008-2012 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 implementation for the audio/video registration module.
22 *
23 ******************************************************************************/
24
25 #include <string.h>
26 #include "bta_ar_api.h"
27 #include "bta_ar_int.h"
28
29
30 /* AV control block */
31 #if BTA_DYNAMIC_MEMORY == FALSE
32 tBTA_AR_CB bta_ar_cb;
33 #endif
34
35 /*******************************************************************************
36 **
37 ** Function bta_ar_id
38 **
39 ** Description This function maps sys_id to ar id mask.
40 **
41 ** Returns void
42 **
43 *******************************************************************************/
bta_ar_id(tBTA_SYS_ID sys_id)44 static UINT8 bta_ar_id(tBTA_SYS_ID sys_id)
45 {
46 UINT8 mask = 0;
47 if (sys_id == BTA_ID_AV)
48 {
49 mask = BTA_AR_AV_MASK;
50 }
51 else if (sys_id == BTA_ID_AVK)
52 {
53 mask = BTA_AR_AVK_MASK;
54 }
55
56 return mask;
57 }
58
59 /*******************************************************************************
60 **
61 ** Function bta_ar_init
62 **
63 ** Description This function is called to register to AVDTP.
64 **
65 ** Returns void
66 **
67 *******************************************************************************/
bta_ar_init(void)68 void bta_ar_init(void)
69 {
70 /* initialize control block */
71 memset(&bta_ar_cb, 0, sizeof(tBTA_AR_CB));
72 }
73
74 /*******************************************************************************
75 **
76 ** Function bta_ar_reg_avdt
77 **
78 ** Description This function is called to register to AVDTP.
79 **
80 ** Returns void
81 **
82 *******************************************************************************/
bta_ar_avdt_cback(UINT8 handle,BD_ADDR bd_addr,UINT8 event,tAVDT_CTRL * p_data)83 static void bta_ar_avdt_cback(UINT8 handle, BD_ADDR bd_addr, UINT8 event, tAVDT_CTRL *p_data)
84 {
85 /* route the AVDT registration callback to av or avk */
86 if (bta_ar_cb.p_av_conn_cback)
87 (*bta_ar_cb.p_av_conn_cback)(handle, bd_addr, event, p_data);
88 if (bta_ar_cb.p_avk_conn_cback)
89 (*bta_ar_cb.p_avk_conn_cback)(handle, bd_addr, event, p_data);
90 }
91
92 /*******************************************************************************
93 **
94 ** Function bta_ar_reg_avdt
95 **
96 ** Description AR module registration to AVDT.
97 **
98 ** Returns void
99 **
100 *******************************************************************************/
bta_ar_reg_avdt(tAVDT_REG * p_reg,tAVDT_CTRL_CBACK * p_cback,tBTA_SYS_ID sys_id)101 void bta_ar_reg_avdt(tAVDT_REG *p_reg, tAVDT_CTRL_CBACK *p_cback, tBTA_SYS_ID sys_id)
102 {
103 UINT8 mask = 0;
104
105 if (sys_id == BTA_ID_AV)
106 {
107 bta_ar_cb.p_av_conn_cback = p_cback;
108 mask = BTA_AR_AV_MASK;
109 }
110 else if (sys_id == BTA_ID_AVK)
111 {
112 bta_ar_cb.p_avk_conn_cback = p_cback;
113 mask = BTA_AR_AVK_MASK;
114 }
115 #if (BTA_AR_DEBUG == TRUE)
116 else
117 {
118 APPL_TRACE_ERROR("bta_ar_reg_avdt: the registration is from wrong sys_id:%d", sys_id);
119 }
120 #endif
121
122 if (mask)
123 {
124 if (bta_ar_cb.avdt_registered == 0)
125 {
126 AVDT_Register(p_reg, bta_ar_avdt_cback);
127 }
128 bta_ar_cb.avdt_registered |= mask;
129 }
130 }
131
132 /*******************************************************************************
133 **
134 ** Function bta_ar_dereg_avdt
135 **
136 ** Description This function is called to de-register from AVDTP.
137 **
138 ** Returns void
139 **
140 *******************************************************************************/
bta_ar_dereg_avdt(tBTA_SYS_ID sys_id)141 void bta_ar_dereg_avdt(tBTA_SYS_ID sys_id)
142 {
143 UINT8 mask = 0;
144
145 if (sys_id == BTA_ID_AV)
146 {
147 bta_ar_cb.p_av_conn_cback = NULL;
148 mask = BTA_AR_AV_MASK;
149 }
150 else if (sys_id == BTA_ID_AVK)
151 {
152 bta_ar_cb.p_avk_conn_cback = NULL;
153 mask = BTA_AR_AVK_MASK;
154 }
155 bta_ar_cb.avdt_registered &= ~mask;
156
157 if (bta_ar_cb.avdt_registered == 0)
158 AVDT_Deregister();
159 }
160
161 /*******************************************************************************
162 **
163 ** Function bta_ar_avdt_conn
164 **
165 ** Description This function is called to let ar know that some AVDTP profile
166 ** is connected for this sys_id.
167 ** If the other sys modules started a timer for PENDING_EVT,
168 ** the timer can be stopped now.
169 **
170 ** Returns void
171 **
172 *******************************************************************************/
bta_ar_avdt_conn(tBTA_SYS_ID sys_id,BD_ADDR bd_addr)173 void bta_ar_avdt_conn(tBTA_SYS_ID sys_id, BD_ADDR bd_addr)
174 {
175 UINT8 event = BTA_AR_AVDT_CONN_EVT;
176 tAVDT_CTRL data;
177
178 if (sys_id == BTA_ID_AV)
179 {
180 if (bta_ar_cb.p_avk_conn_cback)
181 {
182 (*bta_ar_cb.p_avk_conn_cback)(0, bd_addr, event, &data);
183 }
184 }
185 else if (sys_id == BTA_ID_AVK)
186 {
187 if (bta_ar_cb.p_av_conn_cback)
188 {
189 (*bta_ar_cb.p_av_conn_cback)(0, bd_addr, event, &data);
190 }
191 }
192 }
193
194 /*******************************************************************************
195 **
196 ** Function bta_ar_reg_avct
197 **
198 ** Description This function is called to register to AVCTP.
199 **
200 ** Returns void
201 **
202 *******************************************************************************/
bta_ar_reg_avct(UINT16 mtu,UINT16 mtu_br,UINT8 sec_mask,tBTA_SYS_ID sys_id)203 void bta_ar_reg_avct(UINT16 mtu, UINT16 mtu_br, UINT8 sec_mask, tBTA_SYS_ID sys_id)
204 {
205 UINT8 mask = bta_ar_id (sys_id);
206
207 if (mask)
208 {
209 if (bta_ar_cb.avct_registered == 0)
210 {
211 AVCT_Register(mtu, mtu_br, sec_mask);
212 }
213 bta_ar_cb.avct_registered |= mask;
214 }
215 }
216
217 /*******************************************************************************
218 **
219 ** Function bta_ar_dereg_avct
220 **
221 ** Description This function is called to deregister from AVCTP.
222 **
223 ** Returns void
224 **
225 *******************************************************************************/
bta_ar_dereg_avct(tBTA_SYS_ID sys_id)226 void bta_ar_dereg_avct(tBTA_SYS_ID sys_id)
227 {
228 UINT8 mask = bta_ar_id (sys_id);
229
230 bta_ar_cb.avct_registered &= ~mask;
231
232 if (bta_ar_cb.avct_registered == 0)
233 AVCT_Deregister();
234 }
235
236 /******************************************************************************
237 **
238 ** Function bta_ar_reg_avrc
239 **
240 ** Description This function is called to register an SDP record for AVRCP.
241 **
242 ** Returns void
243 **
244 ******************************************************************************/
bta_ar_reg_avrc(UINT16 service_uuid,char * service_name,char * provider_name,UINT16 categories,tBTA_SYS_ID sys_id)245 void bta_ar_reg_avrc(UINT16 service_uuid, char *service_name, char *provider_name,
246 UINT16 categories, tBTA_SYS_ID sys_id)
247 {
248 UINT8 mask = bta_ar_id (sys_id);
249 UINT8 temp[8], *p;
250
251 if (!mask || !categories)
252 return;
253
254 if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET)
255 {
256 if (bta_ar_cb.sdp_tg_handle == 0)
257 {
258 bta_ar_cb.tg_registered = mask;
259 bta_ar_cb.sdp_tg_handle = SDP_CreateRecord();
260 AVRC_AddRecord(service_uuid, service_name, provider_name, categories, bta_ar_cb.sdp_tg_handle);
261 bta_sys_add_uuid(service_uuid);
262 }
263 /* only one TG is allowed (first-come, first-served).
264 * If sdp_tg_handle is non-0, ignore this request */
265 }
266 else if ((service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL) || (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_CONTROL))
267 {
268 bta_ar_cb.ct_categories [mask - 1] = categories;
269 categories = bta_ar_cb.ct_categories[0]|bta_ar_cb.ct_categories[1];
270 if (bta_ar_cb.sdp_ct_handle == 0)
271 {
272 bta_ar_cb.sdp_ct_handle = SDP_CreateRecord();
273 AVRC_AddRecord(service_uuid, service_name, provider_name, categories, bta_ar_cb.sdp_ct_handle);
274 bta_sys_add_uuid(service_uuid);
275 }
276 else
277 {
278 /* multiple CTs are allowed.
279 * Change supported categories on the second one */
280 p = temp;
281 UINT16_TO_BE_STREAM(p, categories);
282 SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE,
283 (UINT32)2, (UINT8*)temp);
284 }
285 }
286 }
287
288 /******************************************************************************
289 **
290 ** Function bta_ar_dereg_avrc
291 **
292 ** Description This function is called to de-register/delete an SDP record for AVRCP.
293 **
294 ** Returns void
295 **
296 ******************************************************************************/
bta_ar_dereg_avrc(UINT16 service_uuid,tBTA_SYS_ID sys_id)297 void bta_ar_dereg_avrc(UINT16 service_uuid, tBTA_SYS_ID sys_id)
298 {
299 UINT8 mask = bta_ar_id (sys_id);
300 UINT16 categories = 0;
301 UINT8 temp[8], *p;
302
303 if (!mask)
304 return;
305
306 if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET)
307 {
308 if (bta_ar_cb.sdp_tg_handle && mask == bta_ar_cb.tg_registered)
309 {
310 bta_ar_cb.tg_registered = 0;
311 SDP_DeleteRecord(bta_ar_cb.sdp_tg_handle);
312 bta_ar_cb.sdp_tg_handle = 0;
313 bta_sys_remove_uuid(service_uuid);
314 }
315 }
316 else if (service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL)
317 {
318 if (bta_ar_cb.sdp_ct_handle)
319 {
320 bta_ar_cb.ct_categories [mask - 1] = 0;
321 categories = bta_ar_cb.ct_categories[0]|bta_ar_cb.ct_categories[1];
322 if (!categories)
323 {
324 /* no CT is still registered - cleaup */
325 SDP_DeleteRecord(bta_ar_cb.sdp_ct_handle);
326 bta_ar_cb.sdp_ct_handle = 0;
327 bta_sys_remove_uuid(service_uuid);
328 }
329 else
330 {
331 /* change supported categories to the remaning one */
332 p = temp;
333 UINT16_TO_BE_STREAM(p, categories);
334 SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE,
335 (UINT32)2, (UINT8*)temp);
336 }
337 }
338 }
339
340 }
341