1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2020 Intel Corporation
4  */
5 
6 #ifndef _INTEL_CRTC_H_
7 #define _INTEL_CRTC_H_
8 
9 #include <linux/types.h>
10 
11 enum i9xx_plane_id;
12 enum pipe;
13 struct drm_display_mode;
14 struct drm_i915_private;
15 struct intel_atomic_state;
16 struct intel_crtc;
17 struct intel_crtc_state;
18 
19 int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
20 			     int usecs);
21 u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state);
22 int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe);
23 struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc);
24 void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
25 			    struct intel_crtc *crtc);
26 u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc);
27 void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state);
28 void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state);
29 void intel_pipe_update_start(struct intel_crtc_state *new_crtc_state);
30 void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state);
31 void intel_wait_for_vblank_workers(struct intel_atomic_state *state);
32 struct intel_crtc *intel_first_crtc(struct drm_i915_private *i915);
33 struct intel_crtc *intel_crtc_for_pipe(struct drm_i915_private *i915,
34 				       enum pipe pipe);
35 void intel_wait_for_vblank_if_active(struct drm_i915_private *i915,
36 				     enum pipe pipe);
37 void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc);
38 
39 #endif
40