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 
19 #define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
20 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
21 void intel_psr_enable(struct intel_dp *intel_dp,
22 		      const struct intel_crtc_state *crtc_state,
23 		      const struct drm_connector_state *conn_state);
24 void intel_psr_disable(struct intel_dp *intel_dp,
25 		       const struct intel_crtc_state *old_crtc_state);
26 void intel_psr_update(struct intel_dp *intel_dp,
27 		      const struct intel_crtc_state *crtc_state,
28 		      const struct drm_connector_state *conn_state);
29 int intel_psr_debug_set(struct drm_i915_private *dev_priv, 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 drm_i915_private *dev_priv);
37 void intel_psr_compute_config(struct intel_dp *intel_dp,
38 			      struct intel_crtc_state *crtc_state);
39 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
40 void intel_psr_short_pulse(struct intel_dp *intel_dp);
41 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
42 			    u32 *out_value);
43 bool intel_psr_enabled(struct intel_dp *intel_dp);
44 void intel_psr_atomic_check(struct drm_connector *connector,
45 			    struct drm_connector_state *old_state,
46 			    struct drm_connector_state *new_state);
47 void intel_psr_set_force_mode_changed(struct intel_dp *intel_dp);
48 void intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
49 				 struct intel_crtc *crtc);
50 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state);
51 
52 #endif /* __INTEL_PSR_H__ */
53