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