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_legacy_blending_state {
38 bool alpha;
39 bool top;
40};
41
42struct tegra_plane_state {
43 struct drm_plane_state base;
44
45 struct tegra_bo_tiling tiling;
46 u32 format;
47 u32 swap;
48
49 bool bottom_up;
50
51 /* used for legacy blending support only */
52 struct tegra_plane_legacy_blending_state blending[2];
53 bool opaque;
54};
55
56static inline struct tegra_plane_state *
57to_tegra_plane_state(struct drm_plane_state *state)
58{
59 if (state)
60 return container_of(state, struct tegra_plane_state, base);
61
62 return NULL;
63}
64
65extern const struct drm_plane_funcs tegra_plane_funcs;
66
67int tegra_plane_state_add(struct tegra_plane *plane,
68 struct drm_plane_state *state);
69
70int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap);
71bool tegra_plane_format_is_yuv(unsigned int format, bool *planar);
72int tegra_plane_setup_legacy_state(struct tegra_plane *tegra,
73 struct tegra_plane_state *state);
74
75#endif /* TEGRA_PLANE_H */