1 /******************************************************************************
2 *
3 * Copyright 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
27 #include "bta_ar_api.h"
28 #include "bta_ar_int.h"
29
30 /* AV control block */
31 tBTA_AR_CB bta_ar_cb;
32
33 /*******************************************************************************
34 *
35 * Function bta_ar_id
36 *
37 * Description This function maps sys_id to ar id mask.
38 *
39 * Returns void
40 *
41 ******************************************************************************/
bta_ar_id(tBTA_SYS_ID sys_id)42 static uint8_t bta_ar_id(tBTA_SYS_ID sys_id) {
43 uint8_t mask = 0;
44 if (sys_id == BTA_ID_AV) {
45 mask = BTA_AR_AV_MASK;
46 } else if (sys_id == BTA_ID_AVK) {
47 mask = BTA_AR_AVK_MASK;
48 }
49
50 return mask;
51 }
52
53 /*******************************************************************************
54 *
55 * Function bta_ar_init
56 *
57 * Description This function is called to register to AVDTP.
58 *
59 * Returns void
60 *
61 ******************************************************************************/
bta_ar_init(void)62 void bta_ar_init(void) {
63 /* initialize control block */
64 memset(&bta_ar_cb, 0, sizeof(tBTA_AR_CB));
65 }
66
67 /*******************************************************************************
68 *
69 * Function bta_ar_reg_avdt
70 *
71 * Description This function is called to register to AVDTP.
72 *
73 * Returns void
74 *
75 ******************************************************************************/
bta_ar_avdt_cback(uint8_t handle,const RawAddress & bd_addr,uint8_t event,tAVDT_CTRL * p_data,uint8_t scb_index)76 static void bta_ar_avdt_cback(uint8_t handle, const RawAddress& bd_addr,
77 uint8_t event, tAVDT_CTRL* p_data,
78 uint8_t scb_index) {
79 /* route the AVDT registration callback to av or avk */
80 if (bta_ar_cb.p_av_conn_cback)
81 (*bta_ar_cb.p_av_conn_cback)(handle, bd_addr, event, p_data, scb_index);
82 if (bta_ar_cb.p_avk_conn_cback)
83 (*bta_ar_cb.p_avk_conn_cback)(handle, bd_addr, event, p_data, scb_index);
84 }
85
86 /*******************************************************************************
87 *
88 * Function bta_ar_reg_avdt
89 *
90 * Description AR module registration to AVDT.
91 *
92 * Returns void
93 *
94 ******************************************************************************/
bta_ar_reg_avdt(AvdtpRcb * p_reg,tAVDT_CTRL_CBACK * p_cback,tBTA_SYS_ID sys_id)95 void bta_ar_reg_avdt(AvdtpRcb* p_reg, tAVDT_CTRL_CBACK* p_cback,
96 tBTA_SYS_ID sys_id) {
97 uint8_t mask = 0;
98
99 if (sys_id == BTA_ID_AV) {
100 bta_ar_cb.p_av_conn_cback = p_cback;
101 mask = BTA_AR_AV_MASK;
102 } else if (sys_id == BTA_ID_AVK) {
103 bta_ar_cb.p_avk_conn_cback = p_cback;
104 mask = BTA_AR_AVK_MASK;
105 }
106 #if (BTA_AR_DEBUG == TRUE)
107 else {
108 APPL_TRACE_ERROR(
109 "bta_ar_reg_avdt: the registration is from wrong sys_id:%d", sys_id);
110 }
111 #endif
112
113 if (mask) {
114 if (bta_ar_cb.avdt_registered == 0) {
115 AVDT_Register(p_reg, bta_ar_avdt_cback);
116 }
117 bta_ar_cb.avdt_registered |= mask;
118 }
119 }
120
121 /*******************************************************************************
122 *
123 * Function bta_ar_dereg_avdt
124 *
125 * Description This function is called to de-register from AVDTP.
126 *
127 * Returns void
128 *
129 ******************************************************************************/
bta_ar_dereg_avdt(tBTA_SYS_ID sys_id)130 void bta_ar_dereg_avdt(tBTA_SYS_ID sys_id) {
131 uint8_t mask = 0;
132
133 if (sys_id == BTA_ID_AV) {
134 bta_ar_cb.p_av_conn_cback = NULL;
135 mask = BTA_AR_AV_MASK;
136 } else if (sys_id == BTA_ID_AVK) {
137 bta_ar_cb.p_avk_conn_cback = NULL;
138 mask = BTA_AR_AVK_MASK;
139 }
140 bta_ar_cb.avdt_registered &= ~mask;
141
142 if (bta_ar_cb.avdt_registered == 0) AVDT_Deregister();
143 }
144
145 /*******************************************************************************
146 *
147 * Function bta_ar_avdt_conn
148 *
149 * Description This function is called to let ar know that some AVDTP
150 * profile is connected for this sys_id.
151 * If the other sys modules started a timer for PENDING_EVT,
152 * the timer can be stopped now.
153 *
154 * Returns void
155 *
156 ******************************************************************************/
bta_ar_avdt_conn(tBTA_SYS_ID sys_id,const RawAddress & bd_addr,uint8_t scb_index)157 void bta_ar_avdt_conn(tBTA_SYS_ID sys_id, const RawAddress& bd_addr,
158 uint8_t scb_index) {
159 uint8_t event = BTA_AR_AVDT_CONN_EVT;
160 tAVDT_CTRL data;
161
162 if (sys_id == BTA_ID_AV) {
163 if (bta_ar_cb.p_avk_conn_cback) {
164 (*bta_ar_cb.p_avk_conn_cback)(0, bd_addr, event, &data, scb_index);
165 }
166 } else if (sys_id == BTA_ID_AVK) {
167 if (bta_ar_cb.p_av_conn_cback) {
168 (*bta_ar_cb.p_av_conn_cback)(0, bd_addr, event, &data, scb_index);
169 }
170 }
171 }
172
173 /*******************************************************************************
174 *
175 * Function bta_ar_reg_avct
176 *
177 * Description This function is called to register to AVCTP.
178 *
179 * Returns void
180 *
181 ******************************************************************************/
bta_ar_reg_avct(uint16_t mtu,uint16_t mtu_br,uint8_t sec_mask,tBTA_SYS_ID sys_id)182 void bta_ar_reg_avct(uint16_t mtu, uint16_t mtu_br, uint8_t sec_mask,
183 tBTA_SYS_ID sys_id) {
184 uint8_t mask = bta_ar_id(sys_id);
185
186 if (mask) {
187 if (bta_ar_cb.avct_registered == 0) {
188 AVCT_Register(mtu, mtu_br, sec_mask);
189 }
190 bta_ar_cb.avct_registered |= mask;
191 }
192 }
193
194 /*******************************************************************************
195 *
196 * Function bta_ar_dereg_avct
197 *
198 * Description This function is called to deregister from AVCTP.
199 *
200 * Returns void
201 *
202 ******************************************************************************/
bta_ar_dereg_avct(tBTA_SYS_ID sys_id)203 void bta_ar_dereg_avct(tBTA_SYS_ID sys_id) {
204 uint8_t mask = bta_ar_id(sys_id);
205
206 bta_ar_cb.avct_registered &= ~mask;
207
208 if (bta_ar_cb.avct_registered == 0) AVCT_Deregister();
209 }
210
211 /******************************************************************************
212 *
213 * Function bta_ar_reg_avrc
214 *
215 * Description This function is called to register an SDP record for AVRCP.
216 *
217 * Returns void
218 *
219 *****************************************************************************/
bta_ar_reg_avrc(uint16_t service_uuid,const char * service_name,const char * provider_name,uint16_t categories,tBTA_SYS_ID sys_id,bool browse_supported,uint16_t profile_version)220 void bta_ar_reg_avrc(uint16_t service_uuid, const char* service_name,
221 const char* provider_name, uint16_t categories,
222 tBTA_SYS_ID sys_id, bool browse_supported,
223 uint16_t profile_version) {
224 uint8_t mask = bta_ar_id(sys_id);
225 uint8_t temp[8], *p;
226
227 if (!mask || !categories) return;
228
229 if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET) {
230 if (bta_ar_cb.sdp_tg_handle == 0) {
231 bta_ar_cb.tg_registered = mask;
232 bta_ar_cb.sdp_tg_handle = SDP_CreateRecord();
233 AVRC_AddRecord(service_uuid, service_name, provider_name, categories,
234 bta_ar_cb.sdp_tg_handle, browse_supported,
235 profile_version);
236 bta_sys_add_uuid(service_uuid);
237 }
238 /* only one TG is allowed (first-come, first-served).
239 * If sdp_tg_handle is non-0, ignore this request */
240 } else if ((service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL) ||
241 (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_CONTROL)) {
242 bta_ar_cb.ct_categories[mask - 1] = categories;
243 categories = bta_ar_cb.ct_categories[0] | bta_ar_cb.ct_categories[1];
244 if (bta_ar_cb.sdp_ct_handle == 0) {
245 bta_ar_cb.sdp_ct_handle = SDP_CreateRecord();
246 AVRC_AddRecord(service_uuid, service_name, provider_name, categories,
247 bta_ar_cb.sdp_ct_handle, browse_supported,
248 profile_version);
249 bta_sys_add_uuid(service_uuid);
250 } else {
251 /* multiple CTs are allowed.
252 * Change supported categories on the second one */
253 p = temp;
254 UINT16_TO_BE_STREAM(p, categories);
255 SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES,
256 UINT_DESC_TYPE, (uint32_t)2, (uint8_t*)temp);
257 }
258 }
259 }
260
261 /******************************************************************************
262 *
263 * Function bta_ar_dereg_avrc
264 *
265 * Description This function is called to de-register/delete an SDP record
266 * for AVRCP.
267 *
268 * Returns void
269 *
270 *****************************************************************************/
bta_ar_dereg_avrc(uint16_t service_uuid,tBTA_SYS_ID sys_id)271 void bta_ar_dereg_avrc(uint16_t service_uuid, tBTA_SYS_ID sys_id) {
272 uint8_t mask = bta_ar_id(sys_id);
273 uint16_t categories = 0;
274 uint8_t temp[8], *p;
275
276 if (!mask) return;
277
278 if (service_uuid == UUID_SERVCLASS_AV_REM_CTRL_TARGET) {
279 if (bta_ar_cb.sdp_tg_handle && mask == bta_ar_cb.tg_registered) {
280 bta_ar_cb.tg_registered = 0;
281 SDP_DeleteRecord(bta_ar_cb.sdp_tg_handle);
282 bta_ar_cb.sdp_tg_handle = 0;
283 bta_sys_remove_uuid(service_uuid);
284 }
285 } else if (service_uuid == UUID_SERVCLASS_AV_REMOTE_CONTROL) {
286 if (bta_ar_cb.sdp_ct_handle) {
287 bta_ar_cb.ct_categories[mask - 1] = 0;
288 categories = bta_ar_cb.ct_categories[0] | bta_ar_cb.ct_categories[1];
289 if (!categories) {
290 /* no CT is still registered - cleaup */
291 SDP_DeleteRecord(bta_ar_cb.sdp_ct_handle);
292 bta_ar_cb.sdp_ct_handle = 0;
293 bta_sys_remove_uuid(service_uuid);
294 } else {
295 /* change supported categories to the remaning one */
296 p = temp;
297 UINT16_TO_BE_STREAM(p, categories);
298 SDP_AddAttribute(bta_ar_cb.sdp_ct_handle, ATTR_ID_SUPPORTED_FEATURES,
299 UINT_DESC_TYPE, (uint32_t)2, (uint8_t*)temp);
300 }
301 }
302 }
303 }
304