]> Git Repo - linux.git/blob - drivers/gpu/drm/tegra/plane.h
Merge tag 'arc-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
[linux.git] / drivers / gpu / drm / tegra / plane.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2017 NVIDIA CORPORATION.  All rights reserved.
4  */
5
6 #ifndef TEGRA_PLANE_H
7 #define TEGRA_PLANE_H 1
8
9 #include <drm/drm_plane.h>
10
11 struct tegra_bo;
12 struct tegra_dc;
13
14 struct tegra_plane {
15         struct drm_plane base;
16         struct tegra_dc *dc;
17         unsigned int offset;
18         unsigned int index;
19 };
20
21 struct tegra_cursor {
22         struct tegra_plane base;
23
24         struct tegra_bo *bo;
25         unsigned int width;
26         unsigned int height;
27 };
28
29 static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane)
30 {
31         return container_of(plane, struct tegra_plane, base);
32 }
33
34 struct tegra_plane_legacy_blending_state {
35         bool alpha;
36         bool top;
37 };
38
39 struct tegra_plane_state {
40         struct drm_plane_state base;
41
42         struct sg_table *sgt[3];
43         dma_addr_t iova[3];
44
45         struct tegra_bo_tiling tiling;
46         u32 format;
47         u32 swap;
48
49         bool reflect_x;
50         bool reflect_y;
51
52         /* used for legacy blending support only */
53         struct tegra_plane_legacy_blending_state blending[2];
54         bool opaque;
55 };
56
57 static inline struct tegra_plane_state *
58 to_tegra_plane_state(struct drm_plane_state *state)
59 {
60         if (state)
61                 return container_of(state, struct tegra_plane_state, base);
62
63         return NULL;
64 }
65
66 extern const struct drm_plane_funcs tegra_plane_funcs;
67
68 int tegra_plane_prepare_fb(struct drm_plane *plane,
69                            struct drm_plane_state *state);
70 void tegra_plane_cleanup_fb(struct drm_plane *plane,
71                             struct drm_plane_state *state);
72
73 int tegra_plane_state_add(struct tegra_plane *plane,
74                           struct drm_plane_state *state);
75
76 int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap);
77 bool tegra_plane_format_is_yuv(unsigned int format, bool *planar);
78 int tegra_plane_setup_legacy_state(struct tegra_plane *tegra,
79                                    struct tegra_plane_state *state);
80
81 #endif /* TEGRA_PLANE_H */
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