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_i915_gem_object; 16 struct drm_i915_private; 17 struct drm_mode_fb_cmd2; 18 struct intel_fb_view; 19 struct intel_framebuffer; 20 struct intel_plane; 21 struct intel_plane_state; 22 23 #define INTEL_PLANE_CAP_NONE 0 24 #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 33 bool intel_fb_is_tiled_modifier(u64 modifier); 34 bool intel_fb_is_ccs_modifier(u64 modifier); 35 bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier); 36 bool intel_fb_is_mc_ccs_modifier(u64 modifier); 37 bool intel_fb_needs_64k_phys(u64 modifier); 38 bool intel_fb_is_tile4_modifier(u64 modifier); 39 40 bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane); 41 int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb); 42 43 u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915, 44 u8 plane_caps); 45 bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier); 46 47 const struct drm_format_info * 48 intel_fb_get_format_info(const struct drm_mode_fb_cmd2 *cmd); 49 50 bool 51 intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, 52 u64 modifier); 53 54 bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane); 55 56 int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane); 57 int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane); 58 int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane); 59 60 unsigned int intel_tile_size(const struct drm_i915_private *i915); 61 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); 62 unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane); 63 unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane); 64 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, 65 int color_plane, unsigned int height); 66 67 void intel_fb_plane_get_subsampling(int *hsub, int *vsub, 68 const struct drm_framebuffer *fb, 69 int color_plane); 70 71 u32 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); 75 u32 intel_plane_compute_aligned_offset(int *x, int *y, 76 const struct intel_plane_state *state, 77 int color_plane); 78 79 bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb); 80 bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb); 81 82 int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb); 83 void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation, 84 struct intel_fb_view *view); 85 int intel_plane_compute_gtt(struct intel_plane_state *plane_state); 86 87 int intel_framebuffer_init(struct intel_framebuffer *ifb, 88 struct drm_i915_gem_object *obj, 89 struct drm_mode_fb_cmd2 *mode_cmd); 90 struct drm_framebuffer * 91 intel_user_framebuffer_create(struct drm_device *dev, 92 struct drm_file *filp, 93 const struct drm_mode_fb_cmd2 *user_mode_cmd); 94 95 bool intel_fb_modifier_uses_dpt(struct drm_i915_private *i915, u64 modifier); 96 bool intel_fb_uses_dpt(const struct drm_framebuffer *fb); 97 98 unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier); 99 100 #endif /* __INTEL_FB_H__ */ 101