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 12 struct drm_device; 13 struct drm_file; 14 struct drm_framebuffer; 15 struct drm_gem_object; 16 struct drm_mode_fb_cmd2; 17 struct intel_display; 18 struct intel_fb_view; 19 struct intel_framebuffer; 20 struct intel_plane; 21 struct intel_plane_state; 22 struct intel_remapped_info; 23 struct 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 35 bool intel_fb_is_tiled_modifier(u64 modifier); 36 bool intel_fb_is_ccs_modifier(u64 modifier); 37 bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier); 38 bool intel_fb_is_mc_ccs_modifier(u64 modifier); 39 bool intel_fb_needs_64k_phys(u64 modifier); 40 bool intel_fb_is_tile4_modifier(u64 modifier); 41 bool intel_fb_needs_cpu_access(const struct drm_framebuffer *fb); 42 43 bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane); 44 int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb); 45 46 u64 *intel_fb_plane_get_modifiers(struct intel_display *display, 47 u8 plane_caps); 48 bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier); 49 50 const struct drm_format_info * 51 intel_fb_get_format_info(u32 pixel_format, u64 modifier); 52 53 bool 54 intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, 55 u64 modifier); 56 57 bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane); 58 59 int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane); 60 int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane); 61 int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane); 62 63 unsigned int intel_tile_size(struct intel_display *display); 64 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); 65 unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane); 66 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, 67 int color_plane, unsigned int height); 68 69 void intel_fb_plane_get_subsampling(int *hsub, int *vsub, 70 const struct drm_framebuffer *fb, 71 int color_plane); 72 73 u32 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); 77 u32 intel_plane_compute_aligned_offset(int *x, int *y, 78 const struct intel_plane_state *plane_state, 79 int color_plane); 80 81 bool intel_plane_uses_fence(const struct intel_plane_state *plane_state); 82 bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb); 83 84 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); 85 unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info); 86 87 int intel_fill_fb_info(struct intel_display *display, struct intel_framebuffer *fb); 88 void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation, 89 struct intel_fb_view *view); 90 unsigned int intel_fb_view_vtd_guard(const struct drm_framebuffer *fb, 91 const struct intel_fb_view *view, 92 unsigned int rotation); 93 int intel_plane_compute_gtt(struct intel_plane_state *plane_state); 94 95 unsigned int intel_fb_xy_to_linear(int x, int y, 96 const struct intel_plane_state *plane_state, 97 int color_plane); 98 void intel_add_fb_offsets(int *x, int *y, 99 const struct intel_plane_state *plane_state, 100 int color_plane); 101 102 int intel_framebuffer_init(struct intel_framebuffer *ifb, 103 struct drm_gem_object *obj, 104 const struct drm_format_info *info, 105 struct drm_mode_fb_cmd2 *mode_cmd); 106 107 struct intel_framebuffer *intel_framebuffer_alloc(void); 108 109 struct drm_framebuffer * 110 intel_framebuffer_create(struct drm_gem_object *obj, 111 const struct drm_format_info *info, 112 struct drm_mode_fb_cmd2 *mode_cmd); 113 struct drm_framebuffer * 114 intel_user_framebuffer_create(struct drm_device *dev, 115 struct drm_file *filp, 116 const struct drm_format_info *info, 117 const struct drm_mode_fb_cmd2 *user_mode_cmd); 118 119 bool intel_fb_modifier_uses_dpt(struct intel_display *display, u64 modifier); 120 bool intel_fb_uses_dpt(const struct drm_framebuffer *fb); 121 122 unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier); 123 124 struct drm_gem_object *intel_fb_bo(const struct drm_framebuffer *fb); 125 126 #endif /* __INTEL_FB_H__ */ 127