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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 : : #include <drm/drm_mode.h> 29 : : 30 : : #define DRM_MODE_BLEND_PREMULTI 0 31 : : #define DRM_MODE_BLEND_COVERAGE 1 32 : : #define DRM_MODE_BLEND_PIXEL_NONE 2 33 : : 34 : : struct drm_device; 35 : : struct drm_atomic_state; 36 : : struct drm_plane; 37 : : 38 : 0 : static inline bool drm_rotation_90_or_270(unsigned int rotation) 39 : : { 40 [ # # # # : 0 : return rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270); # # # # # # # # # # # # # # # # # # # # # # ] 41 : : } 42 : : 43 : : #define DRM_BLEND_ALPHA_OPAQUE 0xffff 44 : : 45 : : int drm_plane_create_alpha_property(struct drm_plane *plane); 46 : : int drm_plane_create_rotation_property(struct drm_plane *plane, 47 : : unsigned int rotation, 48 : : unsigned int supported_rotations); 49 : : unsigned int drm_rotation_simplify(unsigned int rotation, 50 : : unsigned int supported_rotations); 51 : : 52 : : int drm_plane_create_zpos_property(struct drm_plane *plane, 53 : : unsigned int zpos, 54 : : unsigned int min, unsigned int max); 55 : : int drm_plane_create_zpos_immutable_property(struct drm_plane *plane, 56 : : unsigned int zpos); 57 : : int drm_atomic_normalize_zpos(struct drm_device *dev, 58 : : struct drm_atomic_state *state); 59 : : int drm_plane_create_blend_mode_property(struct drm_plane *plane, 60 : : unsigned int supported_modes); 61 : : #endif