1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef __INTEL_PSR_H__
7 #define __INTEL_PSR_H__
8 
9 #include "intel_frontbuffer.h"
10 
11 struct drm_connector;
12 struct drm_connector_state;
13 struct drm_i915_private;
14 struct intel_crtc_state;
15 struct intel_dp;
16 struct intel_crtc;
17 struct intel_atomic_state;
18 struct intel_plane_state;
19 struct intel_plane;
20 struct intel_encoder;
21 
22 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
23 void intel_psr_pre_plane_update(const struct intel_atomic_state *state);
24 void intel_psr_post_plane_update(const struct intel_atomic_state *state);
25 void intel_psr_disable(struct intel_dp *intel_dp,
26 		       const struct intel_crtc_state *old_crtc_state);
27 int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
28 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
29 			  unsigned frontbuffer_bits,
30 			  enum fb_op_origin origin);
31 void intel_psr_flush(struct drm_i915_private *dev_priv,
32 		     unsigned frontbuffer_bits,
33 		     enum fb_op_origin origin);
34 void intel_psr_init(struct intel_dp *intel_dp);
35 void intel_psr_compute_config(struct intel_dp *intel_dp,
36 			      struct intel_crtc_state *crtc_state,
37 			      struct drm_connector_state *conn_state);
38 void intel_psr_get_config(struct intel_encoder *encoder,
39 			  struct intel_crtc_state *pipe_config);
40 void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir);
41 void intel_psr_short_pulse(struct intel_dp *intel_dp);
42 void intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state);
43 bool intel_psr_enabled(struct intel_dp *intel_dp);
44 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
45 				struct intel_crtc *crtc);
46 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state);
47 void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
48 					const struct intel_crtc_state *crtc_state,
49 					const struct intel_plane_state *plane_state,
50 					int color_plane);
51 void intel_psr2_disable_plane_sel_fetch(struct intel_plane *plane,
52 					const struct intel_crtc_state *crtc_state);
53 void intel_psr_pause(struct intel_dp *intel_dp);
54 void intel_psr_resume(struct intel_dp *intel_dp);
55 
56 #endif /* __INTEL_PSR_H__ */
57