projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 |