mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
9fbe71b4d8
Add cross-references where needed and add periods at the end of each kernel-doc paragraph, in order to make it coherent with other VB2 descriptions. Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
|
|
* videobuf2-memops.h - generic memory handling routines for videobuf2
|
|
*
|
|
* Copyright (C) 2010 Samsung Electronics
|
|
*
|
|
* Author: Pawel Osciak <pawel@osciak.com>
|
|
* Marek Szyprowski <m.szyprowski@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef _MEDIA_VIDEOBUF2_MEMOPS_H
|
|
#define _MEDIA_VIDEOBUF2_MEMOPS_H
|
|
|
|
#include <media/videobuf2-v4l2.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/refcount.h>
|
|
|
|
/**
|
|
* struct vb2_vmarea_handler - common vma refcount tracking handler.
|
|
*
|
|
* @refcount: pointer to &refcount_t entry in the buffer.
|
|
* @put: callback to function that decreases buffer refcount.
|
|
* @arg: argument for @put callback.
|
|
*/
|
|
struct vb2_vmarea_handler {
|
|
refcount_t *refcount;
|
|
void (*put)(void *arg);
|
|
void *arg;
|
|
};
|
|
|
|
extern const struct vm_operations_struct vb2_common_vm_ops;
|
|
|
|
struct frame_vector *vb2_create_framevec(unsigned long start,
|
|
unsigned long length,
|
|
bool write);
|
|
void vb2_destroy_framevec(struct frame_vector *vec);
|
|
|
|
#endif
|