From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
SCO API will be used when communicating with SCO Audio HAL.
---
android/sco-ipc-api.txt | 36 ++++++++++++++++++++++++++++++++++++
android/sco-msg.h | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 72 insertions(+)
create mode 100644 android/sco-ipc-api.txt
create mode 100644 android/sco-msg.h
diff --git a/android/sco-ipc-api.txt b/android/sco-ipc-api.txt
new file mode 100644
index 0000000..75b2cba
--- /dev/null
+++ b/android/sco-ipc-api.txt
@@ -0,0 +1,36 @@
+Bluetooth SCO Audio Plugin
+==========================
+
+The SCO Audio Plugin communicate through abstract socket name
+"\0bluez_sco_socket".
+
+ .---Audio---. .--Android--.
+ | Plugin | | Daemon |
+ | | Command | |
+ | | --------------------------> | |
+ | | | |
+ | | <-------------------------- | |
+ | | Response | |
+ | | | |
+ | | | |
+ | | | |
+ '-----------' '-----------'
+
+
+ Audio HAL Daemon
+ ----------------------------------------------------
+
+ call connect_sco() --> create SCO socket
+ return connect_sco() <-- return socket fd and mtu
+
+SCO Audio Service (ID 0)
+========================
+
+ Opcode 0x00 - Error response
+
+ Response parameters: Status (1 octet)
+
+ Opcode 0x01 - Connect Audio SCO command
+
+ Command parameters: <none>
+ Response parameters: MTU (2 octets)
diff --git a/android/sco-msg.h b/android/sco-msg.h
new file mode 100644
index 0000000..cd2f894
--- /dev/null
+++ b/android/sco-msg.h
@@ -0,0 +1,36 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2014 Intel Corporation. All rights reserved.
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+static const char BLUEZ_SCO_SK_PATH[] = "\0bluez_sco_socket";
+
+#define AUDIO_SERVICE_SCO_ID 1
+
+#define AUDIO_STATUS_SUCCESS IPC_STATUS_SUCCESS
+#define AUDIO_STATUS_FAILED 0x01
+
+#define AUDIO_OP_STATUS IPC_OP_STATUS
+
+#define AUDIO_OP_CONNECT_SCO 0x01
+struct audio_rsp_connect_sco {
+ uint16_t mtu;
+} __attribute__((packed));
--
1.8.3.2
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