xref: /third_party/libdrm/exynos/exynos_drmif.h (revision d722e3fb) 
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
34#if defined(__cplusplus)
35extern "C" {
36#endif
37
38struct exynos_device {
39	int fd;
40};
41
42/*
43 * Exynos Buffer Object structure.
44 *
45 * @dev: exynos device object allocated.
46 * @handle: a gem handle to gem object created.
47 * @flags: indicate memory allocation and cache attribute types.
48 * @size: size to the buffer created.
49 * @vaddr: user space address to a gem buffer mmapped.
50 * @name: a gem global handle from flink request.
51 */
52struct exynos_bo {
53	struct exynos_device	*dev;
54	uint32_t		handle;
55	uint32_t		flags;
56	size_t			size;
57	void			*vaddr;
58	uint32_t		name;
59};
60
61#define EXYNOS_EVENT_CONTEXT_VERSION 1
62
63/*
64 * Exynos Event Context structure.
65 *
66 * @base: base context (for core events).
67 * @version: version info similar to the one in 'drmEventContext'.
68 * @g2d_event_handler: handler for G2D events.
69 */
70struct exynos_event_context {
71	drmEventContext base;
72
73	int version;
74
75	void (*g2d_event_handler)(int fd, unsigned int cmdlist_no,
76							  unsigned int tv_sec, unsigned int tv_usec,
77							  void *user_data);
78};
79
80/*
81 * device related functions:
82 */
83struct exynos_device * exynos_device_create(int fd);
84void exynos_device_destroy(struct exynos_device *dev);
85
86/*
87 * buffer-object related functions:
88 */
89struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
90		size_t size, uint32_t flags);
91int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,
92			size_t *size, uint32_t *flags);
93void exynos_bo_destroy(struct exynos_bo *bo);
94struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name);
95int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name);
96uint32_t exynos_bo_handle(struct exynos_bo *bo);
97void * exynos_bo_map(struct exynos_bo *bo);
98int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,
99					int *fd);
100int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,
101					uint32_t *handle);
102
103/*
104 * Virtual Display related functions:
105 */
106int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
107				uint32_t ext, void *edid);
108
109/*
110 * event handling related functions:
111 */
112int exynos_handle_event(struct exynos_device *dev,
113				struct exynos_event_context *ctx);
114
115
116#if defined(__cplusplus)
117}
118#endif
119
120#endif /* EXYNOS_DRMIF_H_ */
121