linux/drivers/usb/gadget/function/uvc.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 *	uvc_gadget.h  --  USB Video Class Gadget driver
 *
 *	Copyright (C) 2009-2010
 *	    Laurent Pinchart ([email protected])
 */

#ifndef _UVC_GADGET_H_
#define _UVC_GADGET_H_

#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/usb/composite.h>
#include <linux/videodev2.h>
#include <linux/wait.h>

#include <media/v4l2-device.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-fh.h>

#include "uvc_queue.h"

struct usb_ep;
struct usb_request;
struct uvc_descriptor_header;
struct uvc_device;

/* ------------------------------------------------------------------------
 * Debugging, printing and logging
 */

#define UVC_TRACE_PROBE …
#define UVC_TRACE_DESCR …
#define UVC_TRACE_CONTROL …
#define UVC_TRACE_FORMAT …
#define UVC_TRACE_CAPTURE …
#define UVC_TRACE_CALLS …
#define UVC_TRACE_IOCTL …
#define UVC_TRACE_FRAME …
#define UVC_TRACE_SUSPEND …
#define UVC_TRACE_STATUS …

#define UVC_WARN_MINMAX …
#define UVC_WARN_PROBE_DEF …

extern unsigned int uvc_gadget_trace_param;

#define uvc_trace(flag, msg...) …

#define uvcg_dbg(f, fmt, args...) …
#define uvcg_info(f, fmt, args...) …
#define uvcg_warn(f, fmt, args...) …
#define uvcg_err(f, fmt, args...) …

/* ------------------------------------------------------------------------
 * Driver specific constants
 */

#define UVC_MAX_REQUEST_SIZE …
#define UVC_MAX_EVENTS …

#define UVCG_REQUEST_HEADER_LEN …

/* ------------------------------------------------------------------------
 * Structures
 */
struct uvc_request { … };

struct uvc_video { … };

enum uvc_state { … };

struct uvc_device { … };

static inline struct uvc_device *to_uvc(struct usb_function *f)
{ … }

struct uvc_file_handle { … };

#define to_uvc_file_handle(handle) …

/* ------------------------------------------------------------------------
 * Functions
 */

extern void uvc_function_setup_continue(struct uvc_device *uvc, int disable_ep);
extern void uvc_function_connect(struct uvc_device *uvc);
extern void uvc_function_disconnect(struct uvc_device *uvc);

#endif /* _UVC_GADGET_H_ */