kernel/drivers/gpu/drm/tegra/plane.h
2024-07-22 17:22:30 +08:00

99 lines
2.2 KiB
C

/* 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 sg_table *sgt[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, bool *planar, 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 */