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authorDerek Foreman <derekf@osg.samsung.com>2016-06-02 07:06:26 -0500
committerDerek Foreman <derekf@osg.samsung.com>2016-06-03 11:05:28 -0500
commit821aada3c442af82339b01df036fa13aa086491a (patch)
treec8a8be7ef1e1842db4112f56b0a608f1fbe5833b /src/static_libs/libdrm/exynos_drmif.h
parent0f07f67b127ae2c1810b7955f049ff53584a53fc (diff)
wayland_shm: Add exynos allocator for dmabuf
Allows clients on exynos hardware to allocate GEM buffer objects to back DMAbuf buffers.
Diffstat (limited to '')
-rw-r--r--src/static_libs/libdrm/exynos_drmif.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/src/static_libs/libdrm/exynos_drmif.h b/src/static_libs/libdrm/exynos_drmif.h
new file mode 100644
index 0000000000..626e39985a
--- /dev/null
+++ b/src/static_libs/libdrm/exynos_drmif.h
@@ -0,0 +1,112 @@
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#define EXYNOS_EVENT_CONTEXT_VERSION 1
58
59/*
60 * Exynos Event Context structure.
61 *
62 * @base: base context (for core events).
63 * @version: version info similar to the one in 'drmEventContext'.
64 * @g2d_event_handler: handler for G2D events.
65 */
66struct exynos_event_context {
67 drmEventContext base;
68
69 int version;
70
71 void (*g2d_event_handler)(int fd, unsigned int cmdlist_no,
72 unsigned int tv_sec, unsigned int tv_usec,
73 void *user_data);
74};
75
76/*
77 * device related functions:
78 */
79struct exynos_device * exynos_device_create(int fd);
80void exynos_device_destroy(struct exynos_device *dev);
81
82/*
83 * buffer-object related functions:
84 */
85struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
86 size_t size, uint32_t flags);
87int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle,
88 size_t *size, uint32_t *flags);
89void exynos_bo_destroy(struct exynos_bo *bo);
90struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name);
91int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name);
92uint32_t exynos_bo_handle(struct exynos_bo *bo);
93void * exynos_bo_map(struct exynos_bo *bo);
94int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle,
95 int *fd);
96int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd,
97 uint32_t *handle);
98
99/*
100 * Virtual Display related functions:
101 */
102int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
103 uint32_t ext, void *edid);
104
105/*
106 * event handling related functions:
107 */
108int exynos_handle_event(struct exynos_device *dev,
109 struct exynos_event_context *ctx);
110
111
112#endif /* EXYNOS_DRMIF_H_ */