intel_fb.h

  1/* SPDX-License-Identifier: MIT */
  2/*
  3 * Copyright © 2020-2021 Intel Corporation
  4 */
  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_gem_object;
 16struct drm_mode_fb_cmd2;
 17struct intel_display;
 18struct intel_fb_view;
 19struct intel_framebuffer;
 20struct intel_plane;
 21struct intel_plane_state;
 22struct intel_remapped_info;
 23struct intel_rotation_info;
 24
 25#define INTEL_PLANE_CAP_NONE		0
 26#define INTEL_PLANE_CAP_CCS_RC		BIT(0)
 27#define INTEL_PLANE_CAP_CCS_RC_CC	BIT(1)
 28#define INTEL_PLANE_CAP_CCS_MC		BIT(2)
 29#define INTEL_PLANE_CAP_TILING_X	BIT(3)
 30#define INTEL_PLANE_CAP_TILING_Y	BIT(4)
 31#define INTEL_PLANE_CAP_TILING_Yf	BIT(5)
 32#define INTEL_PLANE_CAP_TILING_4	BIT(6)
 33#define INTEL_PLANE_CAP_NEED64K_PHYS	BIT(7)
 34
 35bool intel_fb_is_tiled_modifier(u64 modifier);
 36bool intel_fb_is_ccs_modifier(u64 modifier);
 37bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier);
 38bool intel_fb_is_mc_ccs_modifier(u64 modifier);
 39bool intel_fb_needs_64k_phys(u64 modifier);
 40bool intel_fb_is_tile4_modifier(u64 modifier);
 41
 42bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane);
 43int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb);
 44
 45u64 *intel_fb_plane_get_modifiers(struct intel_display *display,
 46				  u8 plane_caps);
 47bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier);
 48
 49const struct drm_format_info *
 50intel_fb_get_format_info(u32 pixel_format, u64 modifier);
 51
 52bool
 53intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
 54				    u64 modifier);
 55
 56bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane);
 57
 58int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane);
 59int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane);
 60int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
 61
 62unsigned int intel_tile_size(struct intel_display *display);
 63unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
 64unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane);
 65unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane);
 66unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
 67				   int color_plane, unsigned int height);
 68
 69void intel_fb_plane_get_subsampling(int *hsub, int *vsub,
 70				    const struct drm_framebuffer *fb,
 71				    int color_plane);
 72
 73u32 intel_plane_adjust_aligned_offset(int *x, int *y,
 74				      const struct intel_plane_state *plane_state,
 75				      int color_plane,
 76				      u32 old_offset, u32 new_offset);
 77u32 intel_plane_compute_aligned_offset(int *x, int *y,
 78				       const struct intel_plane_state *plane_state,
 79				       int color_plane);
 80
 81bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb);
 82bool intel_plane_uses_fence(const struct intel_plane_state *plane_state);
 83bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb);
 84
 85unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);
 86unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info);
 87
 88int intel_fill_fb_info(struct intel_display *display, struct intel_framebuffer *fb);
 89void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation,
 90			struct intel_fb_view *view);
 91unsigned int intel_fb_view_vtd_guard(const struct drm_framebuffer *fb,
 92				     const struct intel_fb_view *view,
 93				     unsigned int rotation);
 94int intel_plane_compute_gtt(struct intel_plane_state *plane_state);
 95
 96unsigned int intel_fb_xy_to_linear(int x, int y,
 97				   const struct intel_plane_state *plane_state,
 98				   int color_plane);
 99void intel_add_fb_offsets(int *x, int *y,
100			  const struct intel_plane_state *plane_state,
101			  int color_plane);
102
103int intel_framebuffer_init(struct intel_framebuffer *ifb,
104			   struct drm_gem_object *obj,
105			   const struct drm_format_info *info,
106			   struct drm_mode_fb_cmd2 *mode_cmd);
107
108struct intel_framebuffer *intel_framebuffer_alloc(void);
109
110struct drm_framebuffer *
111intel_framebuffer_create(struct drm_gem_object *obj,
112			 const struct drm_format_info *info,
113			 struct drm_mode_fb_cmd2 *mode_cmd);
114struct drm_framebuffer *
115intel_user_framebuffer_create(struct drm_device *dev,
116			      struct drm_file *filp,
117			      const struct drm_format_info *info,
118			      const struct drm_mode_fb_cmd2 *user_mode_cmd);
119
120bool intel_fb_modifier_uses_dpt(struct intel_display *display, u64 modifier);
121bool intel_fb_uses_dpt(const struct drm_framebuffer *fb);
122
123unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier);
124
125struct drm_gem_object *intel_fb_bo(const struct drm_framebuffer *fb);
126
127#endif /* __INTEL_FB_H__ */