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 icc_path; 12 struct tegra_bo; 13 struct tegra_dc; 14 15 struct tegra_plane { 16 struct drm_plane base; 17 struct tegra_dc *dc; 18 unsigned int offset; 19 unsigned int index; 20 21 struct icc_path *icc_mem; 22 struct icc_path *icc_mem_vfilter; 23 }; 24 25 struct tegra_cursor { 26 struct tegra_plane base; 27 28 struct tegra_bo *bo; 29 unsigned int width; 30 unsigned int height; 31 }; 32 33 static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane) 34 { 35 return container_of(plane, struct tegra_plane, base); 36 } 37 38 struct tegra_plane_legacy_blending_state { 39 bool alpha; 40 bool top; 41 }; 42 43 struct tegra_plane_state { 44 struct drm_plane_state base; 45 46 struct sg_table *sgt[3]; 47 dma_addr_t iova[3]; 48 49 struct tegra_bo_tiling tiling; 50 u32 format; 51 u32 swap; 52 53 bool reflect_x; 54 bool reflect_y; 55 56 /* used for legacy blending support only */ 57 struct tegra_plane_legacy_blending_state blending[2]; 58 bool opaque; 59 60 /* bandwidths are in ICC units, i.e. kbytes/sec */ 61 u32 total_peak_memory_bandwidth; 62 u32 peak_memory_bandwidth; 63 u32 avg_memory_bandwidth; 64 }; 65 66 static inline struct tegra_plane_state * 67 to_tegra_plane_state(struct drm_plane_state *state) 68 { 69 if (state) 70 return container_of(state, struct tegra_plane_state, base); 71 72 return NULL; 73 } 74 75 static inline const struct tegra_plane_state * 76 to_const_tegra_plane_state(const struct drm_plane_state *state) 77 { 78 return to_tegra_plane_state((struct drm_plane_state *)state); 79 } 80 81 extern const struct drm_plane_funcs tegra_plane_funcs; 82 83 int tegra_plane_prepare_fb(struct drm_plane *plane, 84 struct drm_plane_state *state); 85 void tegra_plane_cleanup_fb(struct drm_plane *plane, 86 struct drm_plane_state *state); 87 88 int tegra_plane_state_add(struct tegra_plane *plane, 89 struct drm_plane_state *state); 90 91 int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap); 92 bool tegra_plane_format_is_indexed(unsigned int format); 93 bool tegra_plane_format_is_yuv(unsigned int format, bool *planar, unsigned int *bpc); 94 int tegra_plane_setup_legacy_state(struct tegra_plane *tegra, 95 struct tegra_plane_state *state); 96 int tegra_plane_interconnect_init(struct tegra_plane *plane); 97 98 #endif /* TEGRA_PLANE_H */ 99