7  * Copyright (c) 2022-2023 Nordic Semiconductor ASA
9  * SPDX-License-Identifier: Apache-2.0
89 	/* Source Available Contexts override value */
142 	const struct bt_audio_codec_cap *codec_cap = cap->codec_cap;  in build_pac_records()
143 	struct net_buf_simple *buf = data->buf;  in build_pac_records()
154 	pac_codec->id = codec_cap->id;  in build_pac_records()
155 	pac_codec->cid = sys_cpu_to_le16(codec_cap->cid);  in build_pac_records()
156 	pac_codec->vid = sys_cpu_to_le16(codec_cap->vid);  in build_pac_records()
158 	if (net_buf_simple_tailroom(buf) < (sizeof(struct bt_pac_ltv_data) + codec_cap->data_len)) {  in build_pac_records()
162 	net_buf_simple_add_u8(buf, codec_cap->data_len);  in build_pac_records()
163 	net_buf_simple_add_mem(buf, codec_cap->data, codec_cap->data_len);  in build_pac_records()
165 	if (net_buf_simple_tailroom(buf) < (sizeof(struct bt_pac_ltv_data) + codec_cap->meta_len)) {  in build_pac_records()
169 	net_buf_simple_add_u8(buf, codec_cap->meta_len);  in build_pac_records()
170 	net_buf_simple_add_mem(buf, codec_cap->meta, codec_cap->meta_len);  in build_pac_records()
172 	data->rsp->num_pac++;  in build_pac_records()
204 	data.rsp->num_pac = 0;  in get_pac_records()
216 								  enum bt_audio_dir dir)  in pacs_get_available_contexts_for_conn()  argument
223 		return bt_pacs_get_available_contexts(dir);  in pacs_get_available_contexts_for_conn()
226 	switch (dir) {  in pacs_get_available_contexts_for_conn()
229 		if (client->snk_available_contexts != NULL) {  in pacs_get_available_contexts_for_conn()
230 			return POINTER_TO_UINT(client->snk_available_contexts);  in pacs_get_available_contexts_for_conn()
236 		if (client->src_available_contexts != NULL) {  in pacs_get_available_contexts_for_conn()
237 			return POINTER_TO_UINT(client->src_available_contexts);  in pacs_get_available_contexts_for_conn()
243 	return bt_pacs_get_available_contexts(dir);  in pacs_get_available_contexts_for_conn()
271 static uint16_t supported_context_get(enum bt_audio_dir dir)  in supported_context_get()  argument
273 	switch (dir) {  in supported_context_get()
308 		return -ENOTSUP;  in set_available_contexts()
569 static sys_slist_t *pacs_get(enum bt_audio_dir dir)  in pacs_get()  argument
571 	switch (dir) {  in pacs_get()
679 static int pac_notify_loc(struct bt_conn *conn, enum bt_audio_dir dir)  in pac_notify_loc()  argument
685 	switch (dir) {  in pac_notify_loc()
699 		return -EINVAL;  in pac_notify_loc()
703 	if (err != 0 && err != -ENOTCONN) {  in pac_notify_loc()
713 static int pac_notify(struct bt_conn *conn, enum bt_audio_dir dir)  in pac_notify()  argument
719 	switch (dir) {  in pac_notify()
731 		return -EINVAL;  in pac_notify()
741 	pacs = pacs_get(dir);  in pac_notify()
747 	if (err != 0 && err != -ENOTCONN) {  in pac_notify()
753 	if (err == -ENOTCONN) {  in pac_notify()
773 	if (err != 0 && err != -ENOTCONN) {  in available_contexts_notify()
791 	if (err != 0 && err != -ENOTCONN) {  in supported_contexts_notify()
830 	if (err && err != -ENOTCONN) {  in pacs_gatt_notify()
867 	if (atomic_test_bit(client->flags, FLAG_SINK_PAC_CHANGED)) {  in notify_cb()
871 			atomic_clear_bit(client->flags, FLAG_SINK_PAC_CHANGED);  in notify_cb()
877 	if (atomic_test_bit(client->flags, FLAG_SINK_AUDIO_LOCATIONS_CHANGED)) {  in notify_cb()
881 			atomic_clear_bit(client->flags, FLAG_SINK_AUDIO_LOCATIONS_CHANGED);  in notify_cb()
887 	if (atomic_test_bit(client->flags, FLAG_SOURCE_PAC_CHANGED)) {  in notify_cb()
888 		LOG_DBG("Notifying Source PAC");  in notify_cb()
891 			atomic_clear_bit(client->flags, FLAG_SOURCE_PAC_CHANGED);  in notify_cb()
897 	if (atomic_test_and_clear_bit(client->flags, FLAG_SOURCE_AUDIO_LOCATIONS_CHANGED)) {  in notify_cb()
898 		LOG_DBG("Notifying Source Audio Location");  in notify_cb()
901 			atomic_clear_bit(client->flags, FLAG_SOURCE_AUDIO_LOCATIONS_CHANGED);  in notify_cb()
906 	if (atomic_test_bit(client->flags, FLAG_AVAILABLE_AUDIO_CONTEXT_CHANGED)) {  in notify_cb()
910 			atomic_clear_bit(client->flags, FLAG_AVAILABLE_AUDIO_CONTEXT_CHANGED);  in notify_cb()
915 	    atomic_test_bit(client->flags, FLAG_SUPPORTED_AUDIO_CONTEXT_CHANGED)) {  in notify_cb()
919 			atomic_clear_bit(client->flags, FLAG_SUPPORTED_AUDIO_CONTEXT_CHANGED);  in notify_cb()
980 	if (err != 0 || conn->encrypt == 0) {  in pacs_security_changed()
984 	if (!bt_addr_le_is_bonded(conn->id, &conn->le.dst)) {  in pacs_security_changed()
1013 	if (client->snk_available_contexts != NULL) {  in pacs_disconnected()
1014 		uint16_t old = POINTER_TO_UINT(client->snk_available_contexts);  in pacs_disconnected()
1017 		client->snk_available_contexts = NULL;  in pacs_disconnected()
1020 		atomic_set_bit_to(client->flags, FLAG_AVAILABLE_AUDIO_CONTEXT_CHANGED, old != new);  in pacs_disconnected()
1025 	if (client->src_available_contexts != NULL) {  in pacs_disconnected()
1026 		uint16_t old = POINTER_TO_UINT(client->src_available_contexts);  in pacs_disconnected()
1029 		client->src_available_contexts = NULL;  in pacs_disconnected()
1032 		atomic_set_bit_to(client->flags, FLAG_AVAILABLE_AUDIO_CONTEXT_CHANGED, old != new);  in pacs_disconnected()
1047 void bt_pacs_cap_foreach(enum bt_audio_dir dir, bt_pacs_cap_foreach_func_t func, void *user_data)  in bt_pacs_cap_foreach()  argument
1056 	pac = pacs_get(dir);  in bt_pacs_cap_foreach()
1072 			memcpy(&clients[i].addr, &info->addr, sizeof(bt_addr_le_t));  in add_bonded_addr_to_client_list()
1081 int bt_pacs_cap_register(enum bt_audio_dir dir, struct bt_pacs_cap *cap)  in bt_pacs_cap_register()  argument
1087 	if (!cap || !cap->codec_cap) {  in bt_pacs_cap_register()
1088 		return -EINVAL;  in bt_pacs_cap_register()
1091 	codec_cap = cap->codec_cap;  in bt_pacs_cap_register()
1093 	pac = pacs_get(dir);  in bt_pacs_cap_register()
1095 		return -EINVAL;  in bt_pacs_cap_register()
1101 	LOG_DBG("cap %p dir %s codec_cap id 0x%02x codec_cap cid 0x%04x codec_cap vid 0x%04x", cap,  in bt_pacs_cap_register()
1102 		bt_audio_dir_str(dir), codec_cap->id, codec_cap->cid, codec_cap->vid);  in bt_pacs_cap_register()
1104 	sys_slist_append(pac, &cap->_node);  in bt_pacs_cap_register()
1113 	if (IS_ENABLED(CONFIG_BT_PAC_SNK_NOTIFIABLE) && dir == BT_AUDIO_DIR_SINK) {  in bt_pacs_cap_register()
1118 	if (IS_ENABLED(CONFIG_BT_PAC_SRC_NOTIFIABLE) && dir == BT_AUDIO_DIR_SOURCE) {  in bt_pacs_cap_register()
1127 int bt_pacs_cap_unregister(enum bt_audio_dir dir, struct bt_pacs_cap *cap)  in bt_pacs_cap_unregister()  argument
1132 		return -EINVAL;  in bt_pacs_cap_unregister()
1135 	pac = pacs_get(dir);  in bt_pacs_cap_unregister()
1137 		return -EINVAL;  in bt_pacs_cap_unregister()
1140 	LOG_DBG("cap %p dir %s", cap, bt_audio_dir_str(dir));  in bt_pacs_cap_unregister()
1142 	if (!sys_slist_find_and_remove(pac, &cap->_node)) {  in bt_pacs_cap_unregister()
1143 		return -ENOENT;  in bt_pacs_cap_unregister()
1146 	switch (dir) {  in bt_pacs_cap_unregister()
1160 		return -EINVAL;  in bt_pacs_cap_unregister()
1166 int bt_pacs_set_location(enum bt_audio_dir dir, enum bt_audio_location location)  in bt_pacs_set_location()  argument
1168 	switch (dir) {  in bt_pacs_set_location()
1176 		return -EINVAL;  in bt_pacs_set_location()
1182 int bt_pacs_set_available_contexts(enum bt_audio_dir dir, enum bt_audio_context contexts)  in bt_pacs_set_available_contexts()  argument
1184 	switch (dir) {  in bt_pacs_set_available_contexts()
1187 					      supported_context_get(dir));  in bt_pacs_set_available_contexts()
1190 					      supported_context_get(dir));  in bt_pacs_set_available_contexts()
1193 	return -EINVAL;  in bt_pacs_set_available_contexts()
1196 int bt_pacs_conn_set_available_contexts_for_conn(struct bt_conn *conn, enum bt_audio_dir dir,  in bt_pacs_conn_set_available_contexts_for_conn()  argument
1199 	enum bt_audio_context old = pacs_get_available_contexts_for_conn(conn, dir);  in bt_pacs_conn_set_available_contexts_for_conn()
1206 		return -ENOENT;  in bt_pacs_conn_set_available_contexts_for_conn()
1215 	switch (dir) {  in bt_pacs_conn_set_available_contexts_for_conn()
1219 			client->snk_available_contexts = UINT_TO_POINTER(*contexts);  in bt_pacs_conn_set_available_contexts_for_conn()
1221 			client->snk_available_contexts = NULL;  in bt_pacs_conn_set_available_contexts_for_conn()
1229 			client->src_available_contexts = UINT_TO_POINTER(*contexts);  in bt_pacs_conn_set_available_contexts_for_conn()
1231 			client->src_available_contexts = NULL;  in bt_pacs_conn_set_available_contexts_for_conn()
1237 		return -EINVAL;  in bt_pacs_conn_set_available_contexts_for_conn()
1240 	if (pacs_get_available_contexts_for_conn(conn, dir) == old) {  in bt_pacs_conn_set_available_contexts_for_conn()
1245 	atomic_set_bit(client->flags, FLAG_AVAILABLE_AUDIO_CONTEXT_CHANGED);  in bt_pacs_conn_set_available_contexts_for_conn()
1255 int bt_pacs_set_supported_contexts(enum bt_audio_dir dir, enum bt_audio_context contexts)  in bt_pacs_set_supported_contexts()  argument
1260 	switch (dir) {  in bt_pacs_set_supported_contexts()
1267 		return -ENOTSUP;  in bt_pacs_set_supported_contexts()
1274 		return -ENOTSUP;  in bt_pacs_set_supported_contexts()
1276 		return -EINVAL;  in bt_pacs_set_supported_contexts()
1283 	return -EALREADY;  in bt_pacs_set_supported_contexts()
1286 enum bt_audio_context bt_pacs_get_available_contexts(enum bt_audio_dir dir)  in bt_pacs_get_available_contexts()  argument
1288 	switch (dir) {  in bt_pacs_get_available_contexts()
1299 							      enum bt_audio_dir dir)  in bt_pacs_get_available_contexts_for_conn()  argument
1306 	return pacs_get_available_contexts_for_conn(conn, dir);  in bt_pacs_get_available_contexts_for_conn()