Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Mauro Carvalho Chehab |
83 |
86.46% |
2 |
22.22% |
| Hans Verkuil |
5 |
5.21% |
1 |
11.11% |
| Jonathan Corbet |
3 |
3.12% |
2 |
22.22% |
| Thomas Gleixner |
2 |
2.08% |
1 |
11.11% |
| Brandon Philips |
1 |
1.04% |
1 |
11.11% |
| Laurent Pinchart |
1 |
1.04% |
1 |
11.11% |
| Pawel Osciak |
1 |
1.04% |
1 |
11.11% |
| Total |
96 |
|
9 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* 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@kernel.org>
*/
#ifndef _VIDEOBUF_VMALLOC_H
#define _VIDEOBUF_VMALLOC_H
#include <media/videobuf-core.h>
/* --------------------------------------------------------------------- */
struct videobuf_vmalloc_memory {
u32 magic;
void *vaddr;
/* 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,
struct mutex *ext_lock);
void *videobuf_to_vmalloc(struct videobuf_buffer *buf);
void videobuf_vmalloc_free(struct videobuf_buffer *buf);
#endif