tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2017 NVIDIA CORPORATION. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef TEGRA_PLANE_H
10#define TEGRA_PLANE_H 1
11
12#include <drm/drm_plane.h>
13
14struct tegra_bo;
15struct tegra_dc;
16
17struct tegra_plane {
18 struct drm_plane base;
19 struct tegra_dc *dc;
20 unsigned int offset;
21 unsigned int index;
22};
23
24struct tegra_cursor {
25 struct tegra_plane base;
26
27 struct tegra_bo *bo;
28 unsigned int width;
29 unsigned int height;
30};
31
32static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane)
33{
34 return container_of(plane, struct tegra_plane, base);
35}
36
37struct tegra_plane_state {
38 struct drm_plane_state base;
39
40 struct tegra_bo_tiling tiling;
41 u32 format;
42 u32 swap;
43
44 /* used for legacy blending support only */
45 bool opaque;
46 bool dependent[3];
47};
48
49static inline struct tegra_plane_state *
50to_tegra_plane_state(struct drm_plane_state *state)
51{
52 if (state)
53 return container_of(state, struct tegra_plane_state, base);
54
55 return NULL;
56}
57
58extern const struct drm_plane_funcs tegra_plane_funcs;
59
60int tegra_plane_state_add(struct tegra_plane *plane,
61 struct drm_plane_state *state);
62
63int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap);
64bool tegra_plane_format_is_yuv(unsigned int format, bool *planar);
65bool tegra_plane_format_has_alpha(unsigned int format);
66int tegra_plane_format_get_alpha(unsigned int opaque, unsigned int *alpha);
67void tegra_plane_check_dependent(struct tegra_plane *tegra,
68 struct tegra_plane_state *state);
69
70#endif /* TEGRA_PLANE_H */