1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright �� 2019 Intel Corporation
4 */
5
6#ifndef __INTEL_FBC_H__
7#define __INTEL_FBC_H__
8
9#include <linux/types.h>
10
11enum fb_op_origin;
12struct drm_i915_private;
13struct intel_atomic_state;
14struct intel_crtc;
15struct intel_crtc_state;
16struct intel_fbc;
17struct intel_plane;
18struct intel_plane_state;
19
20enum intel_fbc_id {
21	INTEL_FBC_A,
22	INTEL_FBC_B,
23	INTEL_FBC_C,
24	INTEL_FBC_D,
25
26	I915_MAX_FBCS,
27};
28
29int intel_fbc_atomic_check(struct intel_atomic_state *state);
30bool intel_fbc_pre_update(struct intel_atomic_state *state,
31			  struct intel_crtc *crtc);
32void intel_fbc_post_update(struct intel_atomic_state *state,
33			   struct intel_crtc *crtc);
34void intel_fbc_init(struct drm_i915_private *dev_priv);
35void intel_fbc_cleanup(struct drm_i915_private *dev_priv);
36void intel_fbc_sanitize(struct drm_i915_private *dev_priv);
37void intel_fbc_update(struct intel_atomic_state *state,
38		      struct intel_crtc *crtc);
39void intel_fbc_disable(struct intel_crtc *crtc);
40void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
41			  unsigned int frontbuffer_bits,
42			  enum fb_op_origin origin);
43void intel_fbc_flush(struct drm_i915_private *dev_priv,
44		     unsigned int frontbuffer_bits, enum fb_op_origin origin);
45void intel_fbc_add_plane(struct intel_fbc *fbc, struct intel_plane *plane);
46void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *i915);
47void intel_fbc_reset_underrun(struct drm_i915_private *i915);
48void intel_fbc_crtc_debugfs_add(struct intel_crtc *crtc);
49void intel_fbc_debugfs_register(struct drm_i915_private *i915);
50
51#endif /* __INTEL_FBC_H__ */
52