2016-09-21 16:59:26 +08:00
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef __DRM_BLEND_H__
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#define __DRM_BLEND_H__
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#include <linux/list.h>
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#include <linux/ctype.h>
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struct drm_device;
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struct drm_atomic_state;
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/*
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* Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the
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* specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and
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* DRM_REFLECT_Y reflects the image along the specified axis prior to rotation
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2016-09-23 14:35:25 +08:00
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*
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* WARNING: These defines are UABI since they're exposed in the rotation
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* property.
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2016-09-21 16:59:26 +08:00
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*/
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#define DRM_ROTATE_0 BIT(0)
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#define DRM_ROTATE_90 BIT(1)
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#define DRM_ROTATE_180 BIT(2)
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#define DRM_ROTATE_270 BIT(3)
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#define DRM_ROTATE_MASK (DRM_ROTATE_0 | DRM_ROTATE_90 | \
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DRM_ROTATE_180 | DRM_ROTATE_270)
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#define DRM_REFLECT_X BIT(4)
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#define DRM_REFLECT_Y BIT(5)
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#define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y)
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struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
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unsigned int supported_rotations);
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unsigned int drm_rotation_simplify(unsigned int rotation,
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unsigned int supported_rotations);
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int drm_plane_create_zpos_property(struct drm_plane *plane,
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unsigned int zpos,
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unsigned int min, unsigned int max);
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int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
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unsigned int zpos);
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int drm_atomic_normalize_zpos(struct drm_device *dev,
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struct drm_atomic_state *state);
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#endif
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