exynos_drmif.h revision baaff307 
1/*
2 * Copyright (C) 2012 Samsung Electronics Co., Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Inki Dae <inki.dae@samsung.com>
25 */
26
27#ifndef EXYNOS_DRMIF_H_
28#define EXYNOS_DRMIF_H_
29
30#include <xf86drm.h>
31#include <stdint.h>
32#include "exynos_drm.h"
33
34struct exynos_device {
35	int fd;
36};
37
38/*
39 * Exynos Buffer Object structure.
40 *
41 * @dev: exynos device object allocated.
42 * @handle: a gem handle to gem object created.
43 * @flags: indicate memory allocation and cache attribute types.
44 * @size: size to the buffer created.
45 * @vaddr: user space address to a gem buffer mmaped.
46 * @name: a gem global handle from flink request.
47 */
48struct exynos_bo {
49	struct exynos_device	*dev;
50	uint32_t		handle;
51	uint32_t		flags;
52	size_t			size;
53	void			*vaddr;
54	uint32_t		name;
55};
56
57/*
58 * device related functions:
59 */
60struct exynos_device * exynos_device_create(int fd);
61void exynos_device_destroy(struct exynos_device *dev);
62
63/*
64 * buffer-object related functions:
65 */
66struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
67		size_t size, uint32_t flags);
68int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,
69			size_t *size, uint32_t *flags);
70void exynos_bo_destroy(struct exynos_bo *bo);
71struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name);
72int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name);
73uint32_t exynos_bo_handle(struct exynos_bo *bo);
74void * exynos_bo_map(struct exynos_bo *bo);
75int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,
76					int *fd);
77int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,
78					uint32_t *handle);
79
80/*
81 * Virtual Display related functions:
82 */
83int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
84				uint32_t ext, void *edid);
85
86#endif /* EXYNOS_DRMIF_H_ */
87