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_i915_gem_object; 16struct drm_i915_private; 17struct drm_mode_fb_cmd2; 18struct intel_fb_view; 19struct intel_framebuffer; 20struct intel_plane; 21struct 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 32bool intel_fb_is_tiled_modifier(u64 modifier); 33bool intel_fb_is_ccs_modifier(u64 modifier); 34bool intel_fb_is_rc_ccs_cc_modifier(u64 modifier); 35bool intel_fb_is_mc_ccs_modifier(u64 modifier); 36 37bool intel_fb_is_ccs_aux_plane(const struct drm_framebuffer *fb, int color_plane); 38int intel_fb_rc_ccs_cc_plane(const struct drm_framebuffer *fb); 39 40u64 *intel_fb_plane_get_modifiers(struct drm_i915_private *i915, 41 u8 plane_caps); 42bool intel_fb_plane_supports_modifier(struct intel_plane *plane, u64 modifier); 43 44const struct drm_format_info * 45intel_fb_get_format_info(const struct drm_mode_fb_cmd2 *cmd); 46 47bool 48intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info, 49 u64 modifier); 50 51bool is_surface_linear(const struct drm_framebuffer *fb, int color_plane); 52 53int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane); 54int skl_ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane); 55int skl_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane); 56 57unsigned int intel_tile_size(const struct drm_i915_private *i915); 58unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane); 59unsigned int intel_tile_height(const struct drm_framebuffer *fb, int color_plane); 60unsigned int intel_tile_row_size(const struct drm_framebuffer *fb, int color_plane); 61unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, 62 int color_plane, unsigned int height); 63unsigned int intel_cursor_alignment(const struct drm_i915_private *i915); 64unsigned int intel_surf_alignment(const struct drm_framebuffer *fb, 65 int color_plane); 66 67void intel_fb_plane_get_subsampling(int *hsub, int *vsub, 68 const struct drm_framebuffer *fb, 69 int color_plane); 70 71u32 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); 75u32 intel_plane_compute_aligned_offset(int *x, int *y, 76 const struct intel_plane_state *state, 77 int color_plane); 78 79bool intel_fb_needs_pot_stride_remap(const struct intel_framebuffer *fb); 80bool intel_fb_supports_90_270_rotation(const struct intel_framebuffer *fb); 81 82int intel_fill_fb_info(struct drm_i915_private *i915, struct intel_framebuffer *fb); 83void intel_fb_fill_view(const struct intel_framebuffer *fb, unsigned int rotation, 84 struct intel_fb_view *view); 85int intel_plane_compute_gtt(struct intel_plane_state *plane_state); 86 87int intel_framebuffer_init(struct intel_framebuffer *ifb, 88 struct drm_i915_gem_object *obj, 89 struct drm_mode_fb_cmd2 *mode_cmd); 90struct drm_framebuffer * 91intel_user_framebuffer_create(struct drm_device *dev, 92 struct drm_file *filp, 93 const struct drm_mode_fb_cmd2 *user_mode_cmd); 94 95bool intel_fb_modifier_uses_dpt(struct drm_i915_private *i915, u64 modifier); 96bool intel_fb_uses_dpt(const struct drm_framebuffer *fb); 97 98unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier); 99 100#endif /* __INTEL_FB_H__ */ 101