Bluetooth: AVDTP: SEP Definition

Added
SEP structure
SEP Registration function

Change-Id: Ib8c4a1753c85390009c154a50a1a1a2f2794e8a2
Signed-off-by: Arun Jagadish <arun.jagadish@intel.com>

include/bluetooth/avdtp.h

@@ -0,0 +1,55 @@
+/** @file
+ * @brief Audio/Video Distribution Transport Protocol header.
+ */
+
+/*
+ * Copyright (c) 2015-2016 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __BT_AVDTP_H
+#define __BT_AVDTP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @brief AVDTP SEID Information */
+struct bt_avdtp_seid_info {
+	/** Stream End Point ID */
+	uint8_t id:6;
+	/** End Point usage status */
+	uint8_t inuse:1;
+	/** Reserved */
+	uint8_t rfa0:1;
+	/** Media-type of the End Point */
+	uint8_t media_type:4;
+	/** TSEP of the End Point */
+	uint8_t tsep:1;
+	/** Reserved */
+	uint8_t rfa1:3;
+} __packed;
+
+/** @brief AVDTP Local SEP*/
+struct bt_avdtp_seid_lsep {
+	/** Stream End Point information */
+	struct bt_avdtp_seid_info sep;
+	/** Pointer to next local Stream End Point structure */
+	struct bt_avdtp_seid_lsep *next;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BT_AVDTP_H */

subsys/bluetooth/host/avdtp.c

@@ -17,6 +17,7 @@
 
 #include <zephyr.h>
 #include <string.h>
+#include <strings.h>
 #include <errno.h>
 #include <atomic.h>
 #include <misc/byteorder.h>
@@ -26,6 +27,7 @@
 #include <bluetooth/hci.h>
 #include <bluetooth/bluetooth.h>
 #include <bluetooth/l2cap.h>
+#include <bluetooth/avdtp.h>
 
 #include "l2cap_internal.h"
 #include "avdtp_internal.h"
@@ -48,6 +50,8 @@ static struct bt_avdtp bt_avdtp_pool[CONFIG_BLUETOOTH_AVDTP_CONN];
 
 static struct bt_avdtp_event_cb *event_cb;
 
+static struct bt_avdtp_seid_lsep *lseps;
+
 #define AVDTP_CHAN(_ch) CONTAINER_OF(_ch, struct bt_avdtp, br_chan.chan)
 
 /* L2CAP Interface callbacks */
@@ -154,6 +158,32 @@ int bt_avdtp_register(struct bt_avdtp_event_cb *cb)
 	return 0;
 }
 
+int bt_avdtp_register_sep(uint8_t media_type, uint8_t role,
+			  struct bt_avdtp_seid_lsep *lsep)
+{
+	BT_DBG("");
+
+	static uint8_t bt_avdtp_seid = BT_AVDTP_MIN_SEID;
+
+	if (!lsep) {
+		return -EIO;
+	}
+
+	if (bt_avdtp_seid == BT_AVDTP_MAX_SEID) {
+		return -EIO;
+	}
+
+	lsep->sep.id = bt_avdtp_seid++;
+	lsep->sep.inuse = 0;
+	lsep->sep.media_type = media_type;
+	lsep->sep.tsep = role;
+
+	lsep->next = lseps;
+	lseps = lsep;
+
+	return 0;
+}
+
 /* init function */
 int bt_avdtp_init(void)
 {

subsys/bluetooth/host/avdtp_internal.h

@@ -16,6 +16,8 @@
  * limitations under the License.
  */
 
+#include <bluetooth/avdtp.h>
+
 /* @brief A2DP ROLE's */
 #define A2DP_SRC_ROLE 0x00
 #define A2DP_SNK_ROLE 0x01
@@ -97,6 +99,9 @@
 #define BT_AVDTP_MIN_MTU 48
 #define BT_AVDTP_MAX_MTU CONFIG_BLUETOOTH_L2CAP_IN_MTU
 
+#define BT_AVDTP_MIN_SEID 0x01
+#define BT_AVDTP_MAX_SEID 0x3E
+
 /* Helper to calculate needed outgoing buffer size. */
 #define BT_AVDTP_BUF_SIZE(mtu) (CONFIG_BLUETOOTH_HCI_SEND_RESERVE + \
 				sizeof(struct bt_hci_acl_hdr) + \
@@ -156,3 +161,7 @@ int bt_avdtp_connect(struct bt_conn *conn, struct bt_avdtp *session);
 
 /* AVDTP disconnect */
 int bt_avdtp_disconnect(struct bt_avdtp *session);
+
+/* AVDTP SEP register function */
+int bt_avdtp_register_sep(uint8_t media_type, uint8_t role,
+				struct bt_avdtp_seid_lsep *sep);