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 31 bool intel_fb_is_ccs_modifier(u64 modifier); 32 bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier); 33 bool intel_fb_is_mc_ccs_modifier(u64 modifier); 34 35 bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane); 36 int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb); 37 38 u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915, 39 u8 plane_caps); 40 bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier); 41 42 const struct drm_format_info * 43 intel_fb_get_format_info(const struct drm_mode_fb_cmd2 *cmd); 44 45 bool 46 intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, 47 u64 modifier); 48 49 bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane); 50 51 int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane); 52 int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane); 53 int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane); 54 55 unsigned int intel_tile_size(const struct drm_i915_private *i915); 56 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); 57 unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane); 58 unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane); 59 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, 60 int color_plane, unsigned int height); 61 unsigned int intel_cursor_alignment(const struct drm_i915_private *i915); 62 unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, 63 int color_plane); 64 65 void intel_fb_plane_get_subsampling(int *hsub, int *vsub, 66 const struct drm_framebuffer *fb, 67 int color_plane); 68 69 u32 intel_plane_adjust_aligned_offset(int *x, int *y, 70 const struct intel_plane_state *state, 71 int color_plane, 72 u32 old_offset, u32 new_offset); 73 u32 intel_plane_compute_aligned_offset(int *x, int *y, 74 const struct intel_plane_state *state, 75 int color_plane); 76 77 bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb); 78 bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb); 79 80 int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb); 81 void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation, 82 struct intel_fb_view *view); 83 int intel_plane_compute_gtt(struct intel_plane_state *plane_state); 84 85 int intel_framebuffer_init(struct intel_framebuffer *ifb, 86 struct drm_i915_gem_object *obj, 87 struct drm_mode_fb_cmd2 *mode_cmd); 88 struct drm_framebuffer * 89 intel_user_framebuffer_create(struct drm_device *dev, 90 struct drm_file *filp, 91 const struct drm_mode_fb_cmd2 *user_mode_cmd); 92 93 bool intel_fb_uses_dpt(const struct drm_framebuffer *fb); 94 95 #endif /* __INTEL_FB_H__ */ 96