diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/plane.h')
-rw-r--r-- | drivers/gpu/drm/tegra/plane.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/plane.h b/drivers/gpu/drm/tegra/plane.h new file mode 100644 index 000000000..e33a581e6 --- /dev/null +++ b/drivers/gpu/drm/tegra/plane.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2017 NVIDIA CORPORATION. All rights reserved. + */ + +#ifndef TEGRA_PLANE_H +#define TEGRA_PLANE_H 1 + +#include <drm/drm_plane.h> + +struct icc_path; +struct tegra_bo; +struct tegra_dc; + +struct tegra_plane { + struct drm_plane base; + struct tegra_dc *dc; + unsigned int offset; + unsigned int index; + + struct icc_path *icc_mem; + struct icc_path *icc_mem_vfilter; +}; + +struct tegra_cursor { + struct tegra_plane base; + + struct tegra_bo *bo; + unsigned int width; + unsigned int height; +}; + +static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane) +{ + return container_of(plane, struct tegra_plane, base); +} + +struct tegra_plane_legacy_blending_state { + bool alpha; + bool top; +}; + +struct tegra_plane_state { + struct drm_plane_state base; + + struct host1x_bo_mapping *map[3]; + dma_addr_t iova[3]; + + struct tegra_bo_tiling tiling; + u32 format; + u32 swap; + + bool reflect_x; + bool reflect_y; + + /* used for legacy blending support only */ + struct tegra_plane_legacy_blending_state blending[2]; + bool opaque; + + /* bandwidths are in ICC units, i.e. kbytes/sec */ + u32 total_peak_memory_bandwidth; + u32 peak_memory_bandwidth; + u32 avg_memory_bandwidth; +}; + +static inline struct tegra_plane_state * +to_tegra_plane_state(struct drm_plane_state *state) +{ + if (state) + return container_of(state, struct tegra_plane_state, base); + + return NULL; +} + +static inline const struct tegra_plane_state * +to_const_tegra_plane_state(const struct drm_plane_state *state) +{ + return to_tegra_plane_state((struct drm_plane_state *)state); +} + +extern const struct drm_plane_funcs tegra_plane_funcs; + +int tegra_plane_prepare_fb(struct drm_plane *plane, + struct drm_plane_state *state); +void tegra_plane_cleanup_fb(struct drm_plane *plane, + struct drm_plane_state *state); + +int tegra_plane_state_add(struct tegra_plane *plane, + struct drm_plane_state *state); + +int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap); +bool tegra_plane_format_is_indexed(unsigned int format); +bool tegra_plane_format_is_yuv(unsigned int format, unsigned int *planes, unsigned int *bpc); +int tegra_plane_setup_legacy_state(struct tegra_plane *tegra, + struct tegra_plane_state *state); +int tegra_plane_interconnect_init(struct tegra_plane *plane); + +#endif /* TEGRA_PLANE_H */ |