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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2020-2021 Intel Corporation4 */5 6#ifndef __INTEL_FB_H__7#define __INTEL_FB_H__8 9#include <linux/bits.h>10#include <linux/types.h>11 12struct drm_device;13struct drm_file;14struct drm_framebuffer;15struct drm_i915_gem_object;16struct drm_i915_private;17struct drm_mode_fb_cmd2;18struct intel_fb_view;19struct intel_framebuffer;20struct intel_plane;21struct intel_plane_state;22 23#define INTEL_PLANE_CAP_NONE 024#define INTEL_PLANE_CAP_CCS_RC BIT(0)25#define INTEL_PLANE_CAP_CCS_RC_CC BIT(1)26#define INTEL_PLANE_CAP_CCS_MC BIT(2)27#define INTEL_PLANE_CAP_TILING_X BIT(3)28#define INTEL_PLANE_CAP_TILING_Y BIT(4)29#define INTEL_PLANE_CAP_TILING_Yf BIT(5)30#define INTEL_PLANE_CAP_TILING_4 BIT(6)31#define INTEL_PLANE_CAP_NEED64K_PHYS BIT(7)32 33bool intel_fb_is_tiled_modifier(u64 modifier);34bool intel_fb_is_ccs_modifier(u64 modifier);35bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier);36bool intel_fb_is_mc_ccs_modifier(u64 modifier);37bool intel_fb_needs_64k_phys(u64 modifier);38bool intel_fb_is_tile4_modifier(u64 modifier);39 40bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane);41int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb);42 43u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915,44 u8 plane_caps);45bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier);46 47const struct drm_format_info *48intel_fb_get_format_info(const struct drm_mode_fb_cmd2 *cmd);49 50bool51intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,52 u64 modifier);53 54bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane);55 56int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane);57int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane);58int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);59 60unsigned int intel_tile_size(const struct drm_i915_private *i915);61unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);62unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);63unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);64unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,65 int color_plane, unsigned int height);66 67void intel_fb_plane_get_subsampling(int *hsub, int *vsub,68 const struct drm_framebuffer *fb,69 int color_plane);70 71u32 intel_plane_adjust_aligned_offset(int *x, int *y,72 const struct intel_plane_state *state,73 int color_plane,74 u32 old_offset, u32 new_offset);75u32 intel_plane_compute_aligned_offset(int *x, int *y,76 const struct intel_plane_state *state,77 int color_plane);78 79bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb);80bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb);81 82int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb);83void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,84 struct intel_fb_view *view);85int intel_plane_compute_gtt(struct intel_plane_state *plane_state);86 87int intel_framebuffer_init(struct intel_framebuffer *ifb,88 struct drm_i915_gem_object *obj,89 struct drm_mode_fb_cmd2 *mode_cmd);90struct drm_framebuffer *91intel_user_framebuffer_create(struct drm_device *dev,92 struct drm_file *filp,93 const struct drm_mode_fb_cmd2 *user_mode_cmd);94 95bool intel_fb_modifier_uses_dpt(struct drm_i915_private *i915, u64 modifier);96bool intel_fb_uses_dpt(const struct drm_framebuffer *fb);97 98unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier);99 100#endif /* __INTEL_FB_H__ */101