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 <linux/types.h>
10 
11 enum fb_op_origin;
12 struct drm_connector;
13 struct drm_connector_state;
14 struct drm_i915_private;
15 struct intel_atomic_state;
16 struct intel_crtc;
17 struct intel_crtc_state;
18 struct intel_dp;
19 struct intel_encoder;
20 struct intel_plane;
21 struct intel_plane_state;
22 
23 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
24 void intel_psr_pre_plane_update(struct intel_atomic_state *state,
25 				struct intel_crtc *crtc);
26 void intel_psr_post_plane_update(const struct intel_atomic_state *state);
27 void intel_psr_disable(struct intel_dp *intel_dp,
28 		       const struct intel_crtc_state *old_crtc_state);
29 int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
30 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
31 			  unsigned frontbuffer_bits,
32 			  enum fb_op_origin origin);
33 void intel_psr_flush(struct drm_i915_private *dev_priv,
34 		     unsigned frontbuffer_bits,
35 		     enum fb_op_origin origin);
36 void intel_psr_init(struct intel_dp *intel_dp);
37 void intel_psr_compute_config(struct intel_dp *intel_dp,
38 			      struct intel_crtc_state *crtc_state,
39 			      struct drm_connector_state *conn_state);
40 void intel_psr_get_config(struct intel_encoder *encoder,
41 			  struct intel_crtc_state *pipe_config);
42 void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir);
43 void intel_psr_short_pulse(struct intel_dp *intel_dp);
44 void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state);
45 bool intel_psr_enabled(struct intel_dp *intel_dp);
46 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
47 				struct intel_crtc *crtc);
48 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state);
49 void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
50 					const struct intel_crtc_state *crtc_state,
51 					const struct intel_plane_state *plane_state,
52 					int color_plane);
53 void intel_psr2_disable_plane_sel_fetch(struct intel_plane *plane,
54 					const struct intel_crtc_state *crtc_state);
55 void intel_psr_pause(struct intel_dp *intel_dp);
56 void intel_psr_resume(struct intel_dp *intel_dp);
57 
58 void intel_psr_lock(const struct intel_crtc_state *crtc_state);
59 void intel_psr_unlock(const struct intel_crtc_state *crtc_state);
60 
61 #endif /* __INTEL_PSR_H__ */
62