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      1 /*	$NetBSD: intel_psr.h,v 1.3 2022/02/27 21:23:39 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 /*
      5  * Copyright  2019 Intel Corporation
      6  */
      7 
      8 #ifndef __INTEL_PSR_H__
      9 #define __INTEL_PSR_H__
     10 
     11 #include "intel_frontbuffer.h"
     12 
     13 struct drm_connector;
     14 struct drm_connector_state;
     15 struct drm_i915_private;
     16 struct intel_crtc_state;
     17 struct intel_dp;
     18 
     19 /* PSR is disabled on NetBSD for now until we find what's wrong with it */
     20 #define CAN_PSR(dev_priv) 0//(HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
     21 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
     22 void intel_psr_enable(struct intel_dp *intel_dp,
     23 		      const struct intel_crtc_state *crtc_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 int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
     29 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
     30 			  unsigned frontbuffer_bits,
     31 			  enum fb_op_origin origin);
     32 void intel_psr_flush(struct drm_i915_private *dev_priv,
     33 		     unsigned frontbuffer_bits,
     34 		     enum fb_op_origin origin);
     35 void intel_psr_init(struct drm_i915_private *dev_priv);
     36 void intel_psr_compute_config(struct intel_dp *intel_dp,
     37 			      struct intel_crtc_state *crtc_state);
     38 void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
     39 void intel_psr_short_pulse(struct intel_dp *intel_dp);
     40 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
     41 			    u32 *out_value);
     42 bool intel_psr_enabled(struct intel_dp *intel_dp);
     43 void intel_psr_atomic_check(struct drm_connector *connector,
     44 			    struct drm_connector_state *old_state,
     45 			    struct drm_connector_state *new_state);
     46 
     47 #endif /* __INTEL_PSR_H__ */
     48