mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-15 05:11:32 +00:00
7a02264ca9
Make videobuf pass checkpatch; minor code cleanups. Signed-off-by: Pawel Osciak <p.osciak@samsung.com> Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
|
|
* helper functions for vmalloc capture buffers
|
|
*
|
|
* The functions expect the hardware being able to scatter gather
|
|
* (i.e. the buffers are not linear in physical memory, but fragmented
|
|
* into PAGE_SIZE chunks). They also assume the driver does not need
|
|
* to touch the video data.
|
|
*
|
|
* (c) 2007 Mauro Carvalho Chehab, <mchehab@infradead.org>
|
|
*
|
|
* 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; either version 2
|
|
*/
|
|
#ifndef _VIDEOBUF_VMALLOC_H
|
|
#define _VIDEOBUF_VMALLOC_H
|
|
|
|
#include <media/videobuf-core.h>
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
struct videobuf_vmalloc_memory {
|
|
u32 magic;
|
|
|
|
void *vmalloc;
|
|
|
|
/* remap_vmalloc_range seems to need to run
|
|
* after mmap() on some cases */
|
|
struct vm_area_struct *vma;
|
|
};
|
|
|
|
void videobuf_queue_vmalloc_init(struct videobuf_queue *q,
|
|
const struct videobuf_queue_ops *ops,
|
|
struct device *dev,
|
|
spinlock_t *irqlock,
|
|
enum v4l2_buf_type type,
|
|
enum v4l2_field field,
|
|
unsigned int msize,
|
|
void *priv);
|
|
|
|
void *videobuf_to_vmalloc(struct videobuf_buffer *buf);
|
|
|
|
void videobuf_vmalloc_free(struct videobuf_buffer *buf);
|
|
|
|
#endif
|