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Commit d396e47f authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Felipe Balbi
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usb: gadget: uvc: Move userspace API definition to public header 



The UVC gadget userspace API (V4L2 events and custom ioctls) is defined
in a header internal to the kernel. Move it to a new public header to
make it accessible to userspace.

The UVC_INTF_CONTROL and UVC_INTF_STREAMING macros are not used, so
remove them in the process.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent d72e90f3

MAINTAINERS

+1 −0
Original line number Diff line number Diff line
@@ -14996,6 +14996,7 @@ L: linux-usb@vger.kernel.org 
S:	Maintained

F:	drivers/usb/gadget/function/*uvc*

F:	drivers/usb/gadget/legacy/webcam.c

F:	include/uapi/linux/usb/g_uvc.h



USB WIRELESS RNDIS DRIVER (rndis_wlan)

M:	Jussi Kivilinna <jussi.kivilinna@iki.fi>

drivers/usb/gadget/function/uvc.h

+5 −40
Original line number Diff line number Diff line
@@ -9,52 +9,20 @@ 
#ifndef _UVC_GADGET_H_

#define _UVC_GADGET_H_



#include <linux/ioctl.h>

#include <linux/types.h>

#include <linux/usb/ch9.h>



#define UVC_EVENT_FIRST			(V4L2_EVENT_PRIVATE_START + 0)

#define UVC_EVENT_CONNECT		(V4L2_EVENT_PRIVATE_START + 0)

#define UVC_EVENT_DISCONNECT		(V4L2_EVENT_PRIVATE_START + 1)

#define UVC_EVENT_STREAMON		(V4L2_EVENT_PRIVATE_START + 2)

#define UVC_EVENT_STREAMOFF		(V4L2_EVENT_PRIVATE_START + 3)

#define UVC_EVENT_SETUP			(V4L2_EVENT_PRIVATE_START + 4)

#define UVC_EVENT_DATA			(V4L2_EVENT_PRIVATE_START + 5)

#define UVC_EVENT_LAST			(V4L2_EVENT_PRIVATE_START + 5)



struct uvc_request_data {

	__s32 length;

	__u8 data[60];

};



struct uvc_event {

	union {

		enum usb_device_speed speed;

		struct usb_ctrlrequest req;

		struct uvc_request_data data;

	};

};



#define UVCIOC_SEND_RESPONSE		_IOW('U', 1, struct uvc_request_data)



#define UVC_INTF_CONTROL		0

#define UVC_INTF_STREAMING		1



/* ------------------------------------------------------------------------

 * Debugging, printing and logging

 */



#ifdef __KERNEL__



#include <linux/usb.h>	/* For usb_endpoint_* */

#include <linux/usb/composite.h>

#include <linux/usb/gadget.h>

#include <linux/usb/g_uvc.h>

#include <linux/videodev2.h>

#include <media/v4l2-fh.h>

#include <media/v4l2-device.h>



#include "uvc_queue.h"



/* ------------------------------------------------------------------------

 * Debugging, printing and logging

 */



#define UVC_TRACE_PROBE				(1 << 0)

#define UVC_TRACE_DESCR				(1 << 1)

#define UVC_TRACE_CONTROL			(1 << 2)
@@ -184,7 +152,4 @@ extern void uvc_endpoint_stream(struct uvc_device *dev); 
extern void uvc_function_connect(struct uvc_device *uvc);

extern void uvc_function_disconnect(struct uvc_device *uvc);



#endif /* __KERNEL__ */



#endif /* _UVC_GADGET_H_ */

include/uapi/linux/usb/g_uvc.h

0 → 100644
+39 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0+ */

/*

 * g_uvc.h  --  USB Video Class Gadget driver API

 *

 * Copyright (C) 2009-2010 Laurent Pinchart <laurent.pinchart@ideasonboard.com>

 */



#ifndef __LINUX_USB_G_UVC_H

#define __LINUX_USB_G_UVC_H



#include <linux/ioctl.h>

#include <linux/types.h>

#include <linux/usb/ch9.h>



#define UVC_EVENT_FIRST			(V4L2_EVENT_PRIVATE_START + 0)

#define UVC_EVENT_CONNECT		(V4L2_EVENT_PRIVATE_START + 0)

#define UVC_EVENT_DISCONNECT		(V4L2_EVENT_PRIVATE_START + 1)

#define UVC_EVENT_STREAMON		(V4L2_EVENT_PRIVATE_START + 2)

#define UVC_EVENT_STREAMOFF		(V4L2_EVENT_PRIVATE_START + 3)

#define UVC_EVENT_SETUP			(V4L2_EVENT_PRIVATE_START + 4)

#define UVC_EVENT_DATA			(V4L2_EVENT_PRIVATE_START + 5)

#define UVC_EVENT_LAST			(V4L2_EVENT_PRIVATE_START + 5)



struct uvc_request_data {

	__s32 length;

	__u8 data[60];

};



struct uvc_event {

	union {

		enum usb_device_speed speed;

		struct usb_ctrlrequest req;

		struct uvc_request_data data;

	};

};



#define UVCIOC_SEND_RESPONSE		_IOW('U', 1, struct uvc_request_data)



#endif /* __LINUX_USB_G_UVC_H */