xref: /openbmc/linux/include/uapi/linux/usb/g_uvc.h (revision d182bf15)
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3  * g_uvc.h  --  USB Video Class Gadget driver API
4  *
5  * Copyright (C) 2009-2010 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
6  */
7 
8 #ifndef __LINUX_USB_G_UVC_H
9 #define __LINUX_USB_G_UVC_H
10 
11 #include <linux/ioctl.h>
12 #include <linux/types.h>
13 #include <linux/usb/ch9.h>
14 
15 #define UVC_EVENT_FIRST			(V4L2_EVENT_PRIVATE_START + 0)
16 #define UVC_EVENT_CONNECT		(V4L2_EVENT_PRIVATE_START + 0)
17 #define UVC_EVENT_DISCONNECT		(V4L2_EVENT_PRIVATE_START + 1)
18 #define UVC_EVENT_STREAMON		(V4L2_EVENT_PRIVATE_START + 2)
19 #define UVC_EVENT_STREAMOFF		(V4L2_EVENT_PRIVATE_START + 3)
20 #define UVC_EVENT_SETUP			(V4L2_EVENT_PRIVATE_START + 4)
21 #define UVC_EVENT_DATA			(V4L2_EVENT_PRIVATE_START + 5)
22 #define UVC_EVENT_LAST			(V4L2_EVENT_PRIVATE_START + 5)
23 
24 #define UVC_STRING_CONTROL_IDX			0
25 #define UVC_STRING_STREAMING_IDX		1
26 
27 struct uvc_request_data {
28 	__s32 length;
29 	__u8 data[60];
30 };
31 
32 struct uvc_event {
33 	union {
34 		enum usb_device_speed speed;
35 		struct usb_ctrlrequest req;
36 		struct uvc_request_data data;
37 	};
38 };
39 
40 #define UVCIOC_SEND_RESPONSE		_IOW('U', 1, struct uvc_request_data)
41 
42 #endif /* __LINUX_USB_G_UVC_H */
43