root/drivers/gpu/drm/tegra/plane.h

INCLUDED FROM

DEFINITIONS

1. to_tegra_plane
2. to_tegra_plane_state

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