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_connector;
12struct drm_connector_state;
13struct drm_i915_private;
14struct intel_crtc_state;
15struct intel_dp;
16
17#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
18void intel_psr_init_dpcd(struct intel_dp *intel_dp);
19void intel_psr_enable(struct intel_dp *intel_dp,
20		      const struct intel_crtc_state *crtc_state,
21		      const struct drm_connector_state *conn_state);
22void intel_psr_disable(struct intel_dp *intel_dp,
23		       const struct intel_crtc_state *old_crtc_state);
24void intel_psr_update(struct intel_dp *intel_dp,
25		      const struct intel_crtc_state *crtc_state,
26		      const struct drm_connector_state *conn_state);
27int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
28void intel_psr_invalidate(struct drm_i915_private *dev_priv,
29			  unsigned frontbuffer_bits,
30			  enum fb_op_origin origin);
31void intel_psr_flush(struct drm_i915_private *dev_priv,
32		     unsigned frontbuffer_bits,
33		     enum fb_op_origin origin);
34void intel_psr_init(struct drm_i915_private *dev_priv);
35void intel_psr_compute_config(struct intel_dp *intel_dp,
36			      struct intel_crtc_state *crtc_state);
37void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir);
38void intel_psr_short_pulse(struct intel_dp *intel_dp);
39int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
40			    u32 *out_value);
41bool intel_psr_enabled(struct intel_dp *intel_dp);
42void intel_psr_atomic_check(struct drm_connector *connector,
43			    struct drm_connector_state *old_state,
44			    struct drm_connector_state *new_state);
45void intel_psr_set_force_mode_changed(struct intel_dp *intel_dp);
46
47#endif /* __INTEL_PSR_H__ */