usbdev/mtp: support mtp class driver

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>

include/nuttx/usb/mtp.h

@@ -0,0 +1,89 @@
+/****************************************************************************
+ * include/nuttx/usb/mtp.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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 __INCLUDE_NUTTX_USB_MTP_H
+#define __INCLUDE_NUTTX_USB_MTP_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/usb/usbdev.h>
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#  define EXTERN extern "C"
+extern "C"
+{
+#else
+#  define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Name: usbdev_mtp_initialize
+ *
+ * Description:
+ *   Initialize the Media Transfer Protocol USB device driver.
+ *
+ * Returned Value:
+ *   A non-NULL "handle" is returned on success.
+ *
+ ****************************************************************************/
+
+FAR void *usbdev_mtp_initialize(void);
+
+/****************************************************************************
+ * Name: usbdev_mtp_uninitialize
+ *
+ * Description:
+ *   Uninitialize the Media Transfer Protocol USB device driver.
+ *
+ ****************************************************************************/
+
+void usbdev_mtp_uninitialize(FAR void *handle);
+
+/****************************************************************************
+ * Name: usbdev_mtp_get_composite_devdesc
+ *
+ * Description:
+ *   Helper function to fill in some constants into the composite
+ *   configuration struct.
+ *
+ * Input Parameters:
+ *     dev - Pointer to the configuration struct we should fill
+ *
+ * Returned Value:
+ *   None
+ *
+ ****************************************************************************/
+
+void usbdev_mtp_get_composite_devdesc(FAR struct composite_devdesc_s *dev);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_USB_ADB_H */