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18733802 DV |
1 | /* |
2 | * Copyright (c) 2016 Intel Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, distribute, and sell this software and its | |
5 | * documentation for any purpose is hereby granted without fee, provided that | |
6 | * the above copyright notice appear in all copies and that both that copyright | |
7 | * notice and this permission notice appear in supporting documentation, and | |
8 | * that the name of the copyright holders not be used in advertising or | |
9 | * publicity pertaining to distribution of the software without specific, | |
10 | * written prior permission. The copyright holders make no representations | |
11 | * about the suitability of this software for any purpose. It is provided "as | |
12 | * is" without express or implied warranty. | |
13 | * | |
14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
20 | * OF THIS SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifndef __DRM_BLEND_H__ | |
24 | #define __DRM_BLEND_H__ | |
25 | ||
26 | #include <linux/list.h> | |
27 | #include <linux/ctype.h> | |
c2c446ad | 28 | #include <drm/drm_mode.h> |
18733802 | 29 | |
a5ec8332 LL |
30 | #define DRM_MODE_BLEND_PREMULTI 0 |
31 | #define DRM_MODE_BLEND_COVERAGE 1 | |
32 | #define DRM_MODE_BLEND_PIXEL_NONE 2 | |
33 | ||
18733802 DV |
34 | struct drm_device; |
35 | struct drm_atomic_state; | |
9cf8f580 | 36 | struct drm_plane; |
18733802 | 37 | |
bd2ef25d VS |
38 | static inline bool drm_rotation_90_or_270(unsigned int rotation) |
39 | { | |
c2c446ad | 40 | return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270); |
bd2ef25d VS |
41 | } |
42 | ||
ae0e2826 MR |
43 | #define DRM_BLEND_ALPHA_OPAQUE 0xffff |
44 | ||
45 | int drm_plane_create_alpha_property(struct drm_plane *plane); | |
d138dd3c VS |
46 | int drm_plane_create_rotation_property(struct drm_plane *plane, |
47 | unsigned int rotation, | |
48 | unsigned int supported_rotations); | |
18733802 DV |
49 | unsigned int drm_rotation_simplify(unsigned int rotation, |
50 | unsigned int supported_rotations); | |
51 | ||
52 | int drm_plane_create_zpos_property(struct drm_plane *plane, | |
53 | unsigned int zpos, | |
54 | unsigned int min, unsigned int max); | |
55 | int drm_plane_create_zpos_immutable_property(struct drm_plane *plane, | |
56 | unsigned int zpos); | |
57 | int drm_atomic_normalize_zpos(struct drm_device *dev, | |
58 | struct drm_atomic_state *state); | |
a5ec8332 LL |
59 | int drm_plane_create_blend_mode_property(struct drm_plane *plane, |
60 | unsigned int supported_modes); | |
18733802 | 61 | #endif |