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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> | |
28 | ||
29 | struct drm_device; | |
30 | struct drm_atomic_state; | |
31 | ||
32 | /* | |
33 | * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the | |
34 | * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and | |
35 | * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation | |
226714dc DV |
36 | * |
37 | * WARNING: These defines are UABI since they're exposed in the rotation | |
38 | * property. | |
18733802 DV |
39 | */ |
40 | #define DRM_ROTATE_0 BIT(0) | |
41 | #define DRM_ROTATE_90 BIT(1) | |
42 | #define DRM_ROTATE_180 BIT(2) | |
43 | #define DRM_ROTATE_270 BIT(3) | |
44 | #define DRM_ROTATE_MASK (DRM_ROTATE_0 | DRM_ROTATE_90 | \ | |
45 | DRM_ROTATE_180 | DRM_ROTATE_270) | |
46 | #define DRM_REFLECT_X BIT(4) | |
47 | #define DRM_REFLECT_Y BIT(5) | |
48 | #define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y) | |
49 | ||
bd2ef25d VS |
50 | static inline bool drm_rotation_90_or_270(unsigned int rotation) |
51 | { | |
52 | return rotation & (DRM_ROTATE_90 | DRM_ROTATE_270); | |
53 | } | |
54 | ||
d138dd3c VS |
55 | int drm_plane_create_rotation_property(struct drm_plane *plane, |
56 | unsigned int rotation, | |
57 | unsigned int supported_rotations); | |
18733802 DV |
58 | unsigned int drm_rotation_simplify(unsigned int rotation, |
59 | unsigned int supported_rotations); | |
60 | ||
61 | int drm_plane_create_zpos_property(struct drm_plane *plane, | |
62 | unsigned int zpos, | |
63 | unsigned int min, unsigned int max); | |
64 | int drm_plane_create_zpos_immutable_property(struct drm_plane *plane, | |
65 | unsigned int zpos); | |
66 | int drm_atomic_normalize_zpos(struct drm_device *dev, | |
67 | struct drm_atomic_state *state); | |
68 | #endif |