| 1 | |
| 2 | * Copyright (c) 2016 Intel Corporation
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| 3 | *
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| 4 | * Permission to use, copy, modify, distribute, and sell this software and its
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| 5 | * documentation for any purpose is hereby granted without fee, provided that
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| 6 | * the above copyright notice appear in all copies and that both that copyright
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| 7 | * notice and this permission notice appear in supporting documentation, and
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| 8 | * that the name of the copyright holders not be used in advertising or
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| 9 | * publicity pertaining to distribution of the software without specific,
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| 10 | * written prior permission. The copyright holders make no representations
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| 11 | * about the suitability of this software for any purpose. It is provided "as
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| 12 | * is" without express or implied warranty.
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| 13 | *
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| 14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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| 16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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| 20 | * OF THIS SOFTWARE.
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| 21 |
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| 22 |
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| 23 | #ifndef __DRM_BLEND_H__
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| 24 | #define __DRM_BLEND_H__
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| 25 |
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| 26 | #include <linux/list.h>
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| 27 | #include <linux/ctype.h>
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| 28 | #include <drm/drm_mode.h>
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| 29 |
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| 30 | #define DRM_MODE_BLEND_PREMULTI 0
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| 31 | #define DRM_MODE_BLEND_COVERAGE 1
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| 32 | #define DRM_MODE_BLEND_PIXEL_NONE 2
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| 33 |
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| 34 | struct drm_atomic_commit;
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| 35 | struct drm_crtc;
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| 36 | struct drm_device;
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| 37 | struct drm_plane;
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| 38 |
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| 39 | static inline bool drm_rotation_90_or_270(unsigned int rotation)
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| 40 | {
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| 41 | return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270);
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| 42 | }
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| 43 |
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| 44 | #define DRM_BLEND_ALPHA_OPAQUE 0xffff
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| 45 |
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| 46 | int drm_plane_create_alpha_property(struct drm_plane *plane);
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| 47 | int drm_plane_create_rotation_property(struct drm_plane *plane,
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| 48 | unsigned int rotation,
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| 49 | unsigned int supported_rotations);
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| 50 | unsigned int drm_rotation_simplify(unsigned int rotation,
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| 51 | unsigned int supported_rotations);
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| 52 |
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| 53 | int drm_plane_create_zpos_property(struct drm_plane *plane,
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| 54 | unsigned int zpos,
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| 55 | unsigned int min, unsigned int max);
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| 56 | int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
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| 57 | unsigned int zpos);
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| 58 | int drm_atomic_normalize_zpos(struct drm_device *dev,
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| 59 | struct drm_atomic_commit *state);
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| 60 | int drm_plane_create_blend_mode_property(struct drm_plane *plane,
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| 61 | unsigned int supported_modes);
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| 62 | void drm_crtc_attach_background_color_property(struct drm_crtc *crtc);
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| 63 | #endif
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