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1 | /* exynos_drm.h |
2 | * | |
3 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | |
4 | * Authors: | |
5 | * Inki Dae <inki.dae@samsung.com> | |
6 | * Joonyoung Shim <jy0922.shim@samsung.com> | |
7 | * Seung-Woo Kim <sw0312.kim@samsung.com> | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a | |
10 | * copy of this software and associated documentation files (the "Software"), | |
11 | * to deal in the Software without restriction, including without limitation | |
12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
13 | * and/or sell copies of the Software, and to permit persons to whom the | |
14 | * Software is furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice (including the next | |
17 | * paragraph) shall be included in all copies or substantial portions of the | |
18 | * Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
23 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
24 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
25 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
26 | * OTHER DEALINGS IN THE SOFTWARE. | |
27 | */ | |
28 | ||
29 | #ifndef _EXYNOS_DRM_H_ | |
30 | #define _EXYNOS_DRM_H_ | |
31 | ||
32 | /** | |
33 | * User-desired buffer creation information structure. | |
34 | * | |
35 | * @size: requested size for the object. | |
36 | * - this size value would be page-aligned internally. | |
37 | * @flags: user request for setting memory type or cache attributes. | |
38 | * @handle: returned handle for the object. | |
6c3d904b | 39 | * @pad: just padding to be 64-bit aligned. |
1c248b7d ID |
40 | */ |
41 | struct drm_exynos_gem_create { | |
42 | unsigned int size; | |
43 | unsigned int flags; | |
44 | unsigned int handle; | |
6c3d904b | 45 | unsigned int pad; |
1c248b7d ID |
46 | }; |
47 | ||
48 | /** | |
49 | * A structure for getting buffer offset. | |
50 | * | |
51 | * @handle: a pointer to gem object created. | |
52 | * @pad: just padding to be 64-bit aligned. | |
53 | * @offset: relatived offset value of the memory region allocated. | |
54 | * - this value should be set by user. | |
55 | */ | |
56 | struct drm_exynos_gem_map_off { | |
57 | unsigned int handle; | |
58 | unsigned int pad; | |
59 | uint64_t offset; | |
60 | }; | |
61 | ||
62 | /** | |
63 | * A structure for mapping buffer. | |
64 | * | |
65 | * @handle: a handle to gem object created. | |
66 | * @size: memory size to be mapped. | |
67 | * @mapped: having user virtual address mmaped. | |
68 | * - this variable would be filled by exynos gem module | |
69 | * of kernel side with user virtual address which is allocated | |
70 | * by do_mmap(). | |
71 | */ | |
72 | struct drm_exynos_gem_mmap { | |
73 | unsigned int handle; | |
74 | unsigned int size; | |
75 | uint64_t mapped; | |
76 | }; | |
77 | ||
78 | #define DRM_EXYNOS_GEM_CREATE 0x00 | |
79 | #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01 | |
80 | #define DRM_EXYNOS_GEM_MMAP 0x02 | |
81 | ||
82 | #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ | |
83 | DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create) | |
84 | ||
85 | #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ | |
86 | DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off) | |
87 | ||
88 | #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \ | |
89 | DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap) | |
90 | ||
91 | /** | |
92 | * Platform Specific Structure for DRM based FIMD. | |
93 | * | |
94 | * @timing: default video mode for initializing | |
95 | * @default_win: default window layer number to be used for UI. | |
96 | * @bpp: default bit per pixel. | |
97 | */ | |
98 | struct exynos_drm_fimd_pdata { | |
99 | struct fb_videomode timing; | |
100 | u32 vidcon0; | |
101 | u32 vidcon1; | |
102 | unsigned int default_win; | |
103 | unsigned int bpp; | |
104 | }; | |
105 | ||
106 | #endif |