LXR linux/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
  11struct tegra_bo;
  12struct tegra_dc;
  13
  14struct tegra_plane {
  15        struct drm_plane base;
  16        struct tegra_dc *dc;
  17        unsigned int offset;
  18        unsigned int index;
  19};
  20
  21struct tegra_cursor {
  22        struct tegra_plane base;
  23
  24        struct tegra_bo *bo;
  25        unsigned int width;
  26        unsigned int height;
  27};
  28
  29static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane)
  30{
  31        return container_of(plane, struct tegra_plane, base);
  32}
  33
  34struct tegra_plane_legacy_blending_state {
  35        bool alpha;
  36        bool top;
  37};
  38
  39struct 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
  53static inline struct tegra_plane_state *
  54to_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
  62extern const struct drm_plane_funcs tegra_plane_funcs;
  63
  64int tegra_plane_state_add(struct tegra_plane *plane,
  65                          struct drm_plane_state *state);
  66
  67int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap);
  68bool tegra_plane_format_is_yuv(unsigned int format, bool *planar);
  69int tegra_plane_setup_legacy_state(struct tegra_plane *tegra,
  70                                   struct tegra_plane_state *state);
  71
  72#endif /* TEGRA_PLANE_H */
  73