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 14 struct tegra_bo; 15 struct tegra_dc; 16 17 struct tegra_plane { 18 struct drm_plane base; 19 struct tegra_dc *dc; 20 unsigned int offset; 21 unsigned int index; 22 }; 23 24 struct tegra_cursor { 25 struct tegra_plane base; 26 27 struct tegra_bo *bo; 28 unsigned int width; 29 unsigned int height; 30 }; 31 32 static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane) 33 { 34 return container_of(plane, struct tegra_plane, base); 35 } 36 37 struct 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 49 static inline struct tegra_plane_state * 50 to_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 58 extern const struct drm_plane_funcs tegra_plane_funcs; 59 60 int tegra_plane_state_add(struct tegra_plane *plane, 61 struct drm_plane_state *state); 62 63 int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap); 64 bool tegra_plane_format_is_yuv(unsigned int format, bool *planar); 65 bool tegra_plane_format_has_alpha(unsigned int format); 66 int tegra_plane_format_get_alpha(unsigned int opaque, unsigned int *alpha); 67 void tegra_plane_check_dependent(struct tegra_plane *tegra, 68 struct tegra_plane_state *state); 69 70 #endif /* TEGRA_PLANE_H */ 71