Geforce File Manager

NAME	SIZE	ACTIONS
📁 davinci		[ DEL ]
📁 drv-intf		[ DEL ]
📁 i2c		[ DEL ]
📁 tpg		[ DEL ]
📄 cec-notifier.h	6,678 B	[ EDIT ] \| [ DEL ]
📄 cec-pin.h	2,947 B	[ EDIT ] \| [ DEL ]
📄 cec.h	18,397 B	[ EDIT ] \| [ DEL ]
📄 demux.h	23,237 B	[ EDIT ] \| [ DEL ]
📄 dmxdev.h	6,034 B	[ EDIT ] \| [ DEL ]
📄 dvb-usb-ids.h	18,204 B	[ EDIT ] \| [ DEL ]
📄 dvb_ca_en50221.h	4,455 B	[ EDIT ] \| [ DEL ]
📄 dvb_demux.h	11,033 B	[ EDIT ] \| [ DEL ]
📄 dvb_frontend.h	29,701 B	[ EDIT ] \| [ DEL ]
📄 dvb_math.h	1,811 B	[ EDIT ] \| [ DEL ]
📄 dvb_net.h	2,583 B	[ EDIT ] \| [ DEL ]
📄 dvb_ringbuffer.h	8,524 B	[ EDIT ] \| [ DEL ]
📄 dvb_vb2.h	7,838 B	[ EDIT ] \| [ DEL ]
📄 dvbdev.h	15,089 B	[ EDIT ] \| [ DEL ]
📄 frame_vector.h	1,447 B	[ EDIT ] \| [ DEL ]
📄 imx.h	396 B	[ EDIT ] \| [ DEL ]
📄 media-device.h	16,113 B	[ EDIT ] \| [ DEL ]
📄 media-devnode.h	5,814 B	[ EDIT ] \| [ DEL ]
📄 media-entity.h	35,421 B	[ EDIT ] \| [ DEL ]
📄 rc-core.h	13,211 B	[ EDIT ] \| [ DEL ]
📄 rc-map.h	12,806 B	[ EDIT ] \| [ DEL ]
📄 rcar-fcp.h	1,342 B	[ EDIT ] \| [ DEL ]
📄 soc_camera.h	13,300 B	[ EDIT ] \| [ DEL ]
📄 tuner-types.h	7,723 B	[ EDIT ] \| [ DEL ]
📄 tuner.h	9,059 B	[ EDIT ] \| [ DEL ]
📄 tveeprom.h	3,370 B	[ EDIT ] \| [ DEL ]
📄 v4l2-async.h	7,649 B	[ EDIT ] \| [ DEL ]
📄 v4l2-clk.h	2,144 B	[ EDIT ] \| [ DEL ]
📄 v4l2-common.h	16,538 B	[ EDIT ] \| [ DEL ]
📄 v4l2-ctrls.h	39,942 B	[ EDIT ] \| [ DEL ]
📄 v4l2-dev.h	16,109 B	[ EDIT ] \| [ DEL ]
📄 v4l2-device.h	18,127 B	[ EDIT ] \| [ DEL ]
📄 v4l2-dv-timings.h	8,887 B	[ EDIT ] \| [ DEL ]
📄 v4l2-event.h	6,277 B	[ EDIT ] \| [ DEL ]
📄 v4l2-fh.h	4,759 B	[ EDIT ] \| [ DEL ]
📄 v4l2-flash-led-class.h	6,034 B	[ EDIT ] \| [ DEL ]
📄 v4l2-fwnode.h	14,184 B	[ EDIT ] \| [ DEL ]
📄 v4l2-image-sizes.h	864 B	[ EDIT ] \| [ DEL ]
📄 v4l2-ioctl.h	32,669 B	[ EDIT ] \| [ DEL ]
📄 v4l2-mc.h	8,213 B	[ EDIT ] \| [ DEL ]
📄 v4l2-mediabus.h	6,234 B	[ EDIT ] \| [ DEL ]
📄 v4l2-mem2mem.h	20,186 B	[ EDIT ] \| [ DEL ]
📄 v4l2-rect.h	4,650 B	[ EDIT ] \| [ DEL ]
📄 v4l2-subdev.h	41,579 B	[ EDIT ] \| [ DEL ]
📄 videobuf-core.h	7,148 B	[ EDIT ] \| [ DEL ]
📄 videobuf-dma-contig.h	1,062 B	[ EDIT ] \| [ DEL ]
📄 videobuf-dma-sg.h	3,009 B	[ EDIT ] \| [ DEL ]
📄 videobuf-vmalloc.h	1,319 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-core.h	45,110 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-dma-contig.h	866 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-dma-sg.h	696 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-dvb.h	1,863 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-memops.h	1,101 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-v4l2.h	10,719 B	[ EDIT ] \| [ DEL ]
📄 videobuf2-vmalloc.h	509 B	[ EDIT ] \| [ DEL ]
📄 vsp1.h	3,288 B	[ EDIT ] \| [ DEL ]

[ CLOSE ]

EDIT: v4l2-event.h

/*
 * v4l2-event.h
 *
 * V4L2 events.
 *
 * Copyright (C) 2009--2010 Nokia Corporation.
 *
 * Contact: Sakari Ailus <sakari.ailus@iki.fi>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program 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
 * General Public License for more details.
 */

#ifndef V4L2_EVENT_H
#define V4L2_EVENT_H

#include <linux/types.h>
#include <linux/videodev2.h>
#include <linux/wait.h>

struct v4l2_fh;
struct v4l2_subdev;
struct v4l2_subscribed_event;
struct video_device;

/**
 * struct v4l2_kevent - Internal kernel event struct.
 * @list:	List node for the v4l2_fh->available list.
 * @sev:	Pointer to parent v4l2_subscribed_event.
 * @event:	The event itself.
 */
struct v4l2_kevent {
	struct list_head	list;
	struct v4l2_subscribed_event *sev;
	struct v4l2_event	event;
};

/**
 * struct v4l2_subscribed_event_ops - Subscribed event operations.
 *
 * @add:	Optional callback, called when a new listener is added
 * @del:	Optional callback, called when a listener stops listening
 * @replace:	Optional callback that can replace event 'old' with event 'new'.
 * @merge:	Optional callback that can merge event 'old' into event 'new'.
 */
struct v4l2_subscribed_event_ops {
	int  (*add)(struct v4l2_subscribed_event *sev, unsigned int elems);
	void (*del)(struct v4l2_subscribed_event *sev);
	void (*replace)(struct v4l2_event *old, const struct v4l2_event *new);
	void (*merge)(const struct v4l2_event *old, struct v4l2_event *new);
};

/**
 * struct v4l2_subscribed_event - Internal struct representing a subscribed
 *		event.
 *
 * @list:	List node for the v4l2_fh->subscribed list.
 * @type:	Event type.
 * @id:	Associated object ID (e.g. control ID). 0 if there isn't any.
 * @flags:	Copy of v4l2_event_subscription->flags.
 * @fh:	Filehandle that subscribed to this event.
 * @node:	List node that hooks into the object's event list
 *		(if there is one).
 * @ops:	v4l2_subscribed_event_ops
 * @elems:	The number of elements in the events array.
 * @first:	The index of the events containing the oldest available event.
 * @in_use:	The number of queued events.
 * @events:	An array of @elems events.
 */
struct v4l2_subscribed_event {
	struct list_head	list;
	u32			type;
	u32			id;
	u32			flags;
	struct v4l2_fh		*fh;
	struct list_head	node;
	const struct v4l2_subscribed_event_ops *ops;
	unsigned int		elems;
	unsigned int		first;
	unsigned int		in_use;
	struct v4l2_kevent	events[];
};

/**
 * v4l2_event_dequeue - Dequeue events from video device.
 *
 * @fh: pointer to struct v4l2_fh
 * @event: pointer to struct v4l2_event
 * @nonblocking: if not zero, waits for an event to arrive
 */
int v4l2_event_dequeue(struct v4l2_fh *fh, struct v4l2_event *event,
		       int nonblocking);

/**
 * v4l2_event_queue - Queue events to video device.
 *
 * @vdev: pointer to &struct video_device
 * @ev: pointer to &struct v4l2_event
 *
 * The event will be queued for all &struct v4l2_fh file handlers.
 *
 * .. note::
 *    The driver's only responsibility is to fill in the type and the data
 *    fields.The other fields will be filled in by  V4L2.
 */
void v4l2_event_queue(struct video_device *vdev, const struct v4l2_event *ev);

/**
 * v4l2_event_queue_fh - Queue events to video device.
 *
 * @fh: pointer to &struct v4l2_fh
 * @ev: pointer to &struct v4l2_event
 *
 *
 * The event will be queued only for the specified &struct v4l2_fh file handler.
 *
 * .. note::
 *    The driver's only responsibility is to fill in the type and the data
 *    fields.The other fields will be filled in by  V4L2.
 */
void v4l2_event_queue_fh(struct v4l2_fh *fh, const struct v4l2_event *ev);

/**
 * v4l2_event_pending - Check if an event is available
 *
 * @fh: pointer to &struct v4l2_fh
 *
 * Returns the number of pending events.
 */
int v4l2_event_pending(struct v4l2_fh *fh);

/**
 * v4l2_event_subscribe - Subscribes to an event
 *
 * @fh: pointer to &struct v4l2_fh
 * @sub: pointer to &struct v4l2_event_subscription
 * @elems: size of the events queue
 * @ops: pointer to &v4l2_subscribed_event_ops
 *
 * .. note::
 *
 *    if @elems is zero, the framework will fill in a default value,
 *    with is currently 1 element.
 */
int v4l2_event_subscribe(struct v4l2_fh *fh,
			 const struct v4l2_event_subscription *sub,
			 unsigned int elems,
			 const struct v4l2_subscribed_event_ops *ops);
/**
 * v4l2_event_unsubscribe - Unsubscribes to an event
 *
 * @fh: pointer to &struct v4l2_fh
 * @sub: pointer to &struct v4l2_event_subscription
 */
int v4l2_event_unsubscribe(struct v4l2_fh *fh,
			   const struct v4l2_event_subscription *sub);
/**
 * v4l2_event_unsubscribe_all - Unsubscribes to all events
 *
 * @fh: pointer to &struct v4l2_fh
 */
void v4l2_event_unsubscribe_all(struct v4l2_fh *fh);

/**
 * v4l2_event_subdev_unsubscribe - Subdev variant of v4l2_event_unsubscribe()
 *
 * @sd: pointer to &struct v4l2_subdev
 * @fh: pointer to &struct v4l2_fh
 * @sub: pointer to &struct v4l2_event_subscription
 *
 * .. note::
 *
 *	This function should be used for the &struct v4l2_subdev_core_ops
 *	%unsubscribe_event field.
 */
int v4l2_event_subdev_unsubscribe(struct v4l2_subdev *sd,
				  struct v4l2_fh *fh,
				  struct v4l2_event_subscription *sub);
/**
 * v4l2_src_change_event_subscribe - helper function that calls
 *	v4l2_event_subscribe() if the event is %V4L2_EVENT_SOURCE_CHANGE.
 *
 * @fh: pointer to struct v4l2_fh
 * @sub: pointer to &struct v4l2_event_subscription
 */
int v4l2_src_change_event_subscribe(struct v4l2_fh *fh,
				    const struct v4l2_event_subscription *sub);
/**
 * v4l2_src_change_event_subdev_subscribe - Variant of v4l2_event_subscribe(),
 *	meant to subscribe only events of the type %V4L2_EVENT_SOURCE_CHANGE.
 *
 * @sd: pointer to &struct v4l2_subdev
 * @fh: pointer to &struct v4l2_fh
 * @sub: pointer to &struct v4l2_event_subscription
 */
int v4l2_src_change_event_subdev_subscribe(struct v4l2_subdev *sd,
					   struct v4l2_fh *fh,
					   struct v4l2_event_subscription *sub);
#endif /* V4L2_EVENT_H */