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 */