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
11struct drm_i915_private;
12struct intel_crtc_state;
13struct intel_dp;
14
15#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
16void intel_psr_init_dpcd(struct intel_dp *intel_dp);
17void intel_psr_enable(struct intel_dp *intel_dp,
18		      const struct intel_crtc_state *crtc_state);
19void intel_psr_disable(struct intel_dp *intel_dp,
20		       const struct intel_crtc_state *old_crtc_state);
21void intel_psr_update(struct intel_dp *intel_dp,
22		      const struct intel_crtc_state *crtc_state);
23int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
24void intel_psr_invalidate(struct drm_i915_private *dev_priv,
25			  unsigned frontbuffer_bits,
26			  enum fb_op_origin origin);
27void intel_psr_flush(struct drm_i915_private *dev_priv,
28		     unsigned frontbuffer_bits,
29		     enum fb_op_origin origin);
30void intel_psr_init(struct drm_i915_private *dev_priv);
31void intel_psr_compute_config(struct intel_dp *intel_dp,
32			      struct intel_crtc_state *crtc_state);
33void intel_psr_irq_control(struct drm_i915_private *dev_priv, u32 debug);
34void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
35void intel_psr_short_pulse(struct intel_dp *intel_dp);
36int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
37			    u32 *out_value);
38bool intel_psr_enabled(struct intel_dp *intel_dp);
39
40#endif /* __INTEL_PSR_H__ */