1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* Copyright (C) 2012 Samsung Electronics Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Inki Dae <inki.dae@samsung.com>
*/
#ifndef EXYNOS_DRMIF_H_
#define EXYNOS_DRMIF_H_
#include <xf86drm.h>
#include <stdint.h>
#include "exynos_drm.h"
struct exynos_device {
int fd;
};
/*
* Exynos Buffer Object structure.
*
* @dev: exynos device object allocated.
* @handle: a gem handle to gem object created.
* @flags: indicate memory allocation and cache attribute types.
* @fd: file descriptor exported into dmabuf.
* @size: size to the buffer created.
* @vaddr: user space address to a gem buffer mmaped.
* @name: a gem global handle from flink request.
*/
struct exynos_bo {
struct exynos_device *dev;
uint32_t handle;
uint32_t flags;
int fd;
size_t size;
void *vaddr;
uint32_t name;
};
/*
* device related functions:
*/
struct exynos_device * exynos_device_create(int fd);
void exynos_device_destroy(struct exynos_device *dev);
/*
* buffer-object related functions:
*/
struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
size_t size, uint32_t flags);
int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,
size_t *size, uint32_t *flags);
void exynos_bo_destroy(struct exynos_bo *bo);
struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name);
int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name);
uint32_t exynos_bo_handle(struct exynos_bo *bo);
void * exynos_bo_map(struct exynos_bo *bo);
int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,
int *fd);
int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,
uint32_t *handle);
/*
* Virtual Display related functions:
*/
int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
uint32_t ext, void *edid);
#endif /* EXYNOS_DRMIF_H_ */
|
