1/*	$NetBSD: drm_plane_helper.h,v 1.4 2021/12/18 23:45:46 riastradh Exp $	*/
2
3/*
4 * Copyright (C) 2011-2013 Intel Corporation
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26#ifndef DRM_PLANE_HELPER_H
27#define DRM_PLANE_HELPER_H
28
29#include <drm/drm_rect.h>
30#include <drm/drm_crtc.h>
31#include <drm/drm_modeset_helper_vtables.h>
32#include <drm/drm_modeset_helper.h>
33
34/*
35 * Drivers that don't allow primary plane scaling may pass this macro in place
36 * of the min/max scale parameters of the update checker function.
37 *
38 * Due to src being in 16.16 fixed point and dest being in integer pixels,
39 * 1<<16 represents no scaling.
40 */
41#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
42
43void drm_primary_helper_destroy(struct drm_plane *plane);
44extern const struct drm_plane_funcs drm_primary_helper_funcs;
45
46#endif
47