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> |
28 | #include <drm/drm_mode.h> |
29 | |
30 | #define DRM_MODE_BLEND_PREMULTI 0 |
31 | #define DRM_MODE_BLEND_COVERAGE 1 |
32 | #define DRM_MODE_BLEND_PIXEL_NONE 2 |
33 | |
34 | struct drm_device; |
35 | struct drm_atomic_state; |
36 | struct drm_plane; |
37 | |
38 | static inline bool drm_rotation_90_or_270(unsigned int rotation) |
39 | { |
40 | return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270); |
41 | } |
42 | |
43 | #define DRM_BLEND_ALPHA_OPAQUE 0xffff |
44 | |
45 | int drm_plane_create_alpha_property(struct drm_plane *plane); |
46 | int drm_plane_create_rotation_property(struct drm_plane *plane, |
47 | unsigned int rotation, |
48 | unsigned int supported_rotations); |
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); |
59 | int drm_plane_create_blend_mode_property(struct drm_plane *plane, |
60 | unsigned int supported_modes); |
61 | #endif |
62 | |