/* * Copyright (c) 2016 Intel Corporation * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that copyright * notice and this permission notice appear in supporting documentation, and * that the name of the copyright holders not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission.  The copyright holders make no representations * about the suitability of this software for any purpose.  It is provided "as * is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ #ifndef __DRM_BLEND_H__#define __DRM_BLEND_H__ #include <linux/list.h>#include <linux/ctype.h>#include <drm/drm_mode.h> #define DRM_MODE_BLEND_PREMULTI		0#define DRM_MODE_BLEND_COVERAGE		1#define DRM_MODE_BLEND_PIXEL_NONE	2 struct drm_atomic_commit;struct drm_crtc;struct drm_device;struct drm_plane; static inline bool drm_rotation_90_or_270(unsigned int rotation){	return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270);} #define DRM_BLEND_ALPHA_OPAQUE		0xffff int drm_plane_create_alpha_property(struct drm_plane *plane);int drm_plane_create_rotation_property(struct drm_plane *plane,				       unsigned int rotation,				       unsigned int supported_rotations);unsigned int drm_rotation_simplify(unsigned int rotation,				   unsigned int supported_rotations); int drm_plane_create_zpos_property(struct drm_plane *plane,				   unsigned int zpos,				   unsigned int min, unsigned int max);int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,					     unsigned int zpos);int drm_atomic_normalize_zpos(struct drm_device *dev,			      struct drm_atomic_commit *state);int drm_plane_create_blend_mode_property(struct drm_plane *plane,					 unsigned int supported_modes);void drm_crtc_attach_background_color_property(struct drm_crtc *crtc);#endif