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_i915_gem_object; 17 struct drm_i915_private; 18 struct drm_mode_fb_cmd2; 19 struct intel_fb_view; 20 struct intel_framebuffer; 21 struct intel_plane; 22 struct intel_plane_state; 23 24 #define INTEL_PLANE_CAP_NONE 0 25 #define INTEL_PLANE_CAP_CCS_RC BIT(0) 26 #define INTEL_PLANE_CAP_CCS_RC_CC BIT(1) 27 #define INTEL_PLANE_CAP_CCS_MC BIT(2) 28 #define INTEL_PLANE_CAP_TILING_X BIT(3) 29 #define INTEL_PLANE_CAP_TILING_Y BIT(4) 30 #define INTEL_PLANE_CAP_TILING_Yf BIT(5) 31 #define INTEL_PLANE_CAP_TILING_4 BIT(6) 32 #define INTEL_PLANE_CAP_NEED64K_PHYS BIT(7) 33 34 bool intel_fb_is_tiled_modifier(u64 modifier); 35 bool intel_fb_is_ccs_modifier(u64 modifier); 36 bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier); 37 bool intel_fb_is_mc_ccs_modifier(u64 modifier); 38 bool intel_fb_needs_64k_phys(u64 modifier); 39 bool intel_fb_is_tile4_modifier(u64 modifier); 40 41 bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane); 42 int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb); 43 44 u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915, 45 u8 plane_caps); 46 bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier); 47 48 const struct drm_format_info * 49 intel_fb_get_format_info(const struct drm_mode_fb_cmd2 *cmd); 50 51 bool 52 intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, 53 u64 modifier); 54 55 bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane); 56 57 int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane); 58 int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane); 59 int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane); 60 61 unsigned int intel_tile_size(const struct drm_i915_private *i915); 62 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); 63 unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane); 64 unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane); 65 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, 66 int color_plane, unsigned int height); 67 68 void intel_fb_plane_get_subsampling(int *hsub, int *vsub, 69 const struct drm_framebuffer *fb, 70 int color_plane); 71 72 u32 intel_plane_adjust_aligned_offset(int *x, int *y, 73 const struct intel_plane_state *state, 74 int color_plane, 75 u32 old_offset, u32 new_offset); 76 u32 intel_plane_compute_aligned_offset(int *x, int *y, 77 const struct intel_plane_state *state, 78 int color_plane); 79 80 bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb); 81 bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb); 82 83 int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb); 84 void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation, 85 struct intel_fb_view *view); 86 int intel_plane_compute_gtt(struct intel_plane_state *plane_state); 87 88 int intel_framebuffer_init(struct intel_framebuffer *ifb, 89 struct drm_gem_object *obj, 90 struct drm_mode_fb_cmd2 *mode_cmd); 91 struct drm_framebuffer * 92 intel_framebuffer_create(struct drm_gem_object *obj, 93 struct drm_mode_fb_cmd2 *mode_cmd); 94 struct drm_framebuffer * 95 intel_user_framebuffer_create(struct drm_device *dev, 96 struct drm_file *filp, 97 const struct drm_mode_fb_cmd2 *user_mode_cmd); 98 99 bool intel_fb_modifier_uses_dpt(struct drm_i915_private *i915, u64 modifier); 100 bool intel_fb_uses_dpt(const struct drm_framebuffer *fb); 101 102 unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier); 103 104 struct drm_gem_object *intel_fb_bo(const struct drm_framebuffer *fb); 105 106 #endif /* __INTEL_FB_H__ */ 107