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_connector;
17 struct intel_crtc;
18 struct intel_crtc_state;
19 struct intel_dp;
20 struct intel_encoder;
21 struct intel_plane;
22 struct intel_plane_state;
23 
24 void intel_psr_init_dpcd(struct intel_dp *intel_dp);
25 void intel_psr_pre_plane_update(struct intel_atomic_state *state,
26 				struct intel_crtc *crtc);
27 void intel_psr_post_plane_update(const struct intel_atomic_state *state);
28 void intel_psr_disable(struct intel_dp *intel_dp,
29 		       const struct intel_crtc_state *old_crtc_state);
30 int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value);
31 void intel_psr_invalidate(struct drm_i915_private *dev_priv,
32 			  unsigned frontbuffer_bits,
33 			  enum fb_op_origin origin);
34 void intel_psr_flush(struct drm_i915_private *dev_priv,
35 		     unsigned frontbuffer_bits,
36 		     enum fb_op_origin origin);
37 void intel_psr_init(struct intel_dp *intel_dp);
38 void intel_psr_compute_config(struct intel_dp *intel_dp,
39 			      struct intel_crtc_state *crtc_state,
40 			      struct drm_connector_state *conn_state);
41 void intel_psr_get_config(struct intel_encoder *encoder,
42 			  struct intel_crtc_state *pipe_config);
43 void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir);
44 void intel_psr_short_pulse(struct intel_dp *intel_dp);
45 void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state);
46 bool intel_psr_enabled(struct intel_dp *intel_dp);
47 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
48 				struct intel_crtc *crtc);
49 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state);
50 void intel_psr2_program_plane_sel_fetch_noarm(struct intel_plane *plane,
51 					      const struct intel_crtc_state *crtc_state,
52 					      const struct intel_plane_state *plane_state,
53 					      int color_plane);
54 void intel_psr2_program_plane_sel_fetch_arm(struct intel_plane *plane,
55 					    const struct intel_crtc_state *crtc_state,
56 					    const struct intel_plane_state *plane_state);
57 
58 void intel_psr2_disable_plane_sel_fetch_arm(struct intel_plane *plane,
59 					    const struct intel_crtc_state *crtc_state);
60 void intel_psr_pause(struct intel_dp *intel_dp);
61 void intel_psr_resume(struct intel_dp *intel_dp);
62 
63 void intel_psr_lock(const struct intel_crtc_state *crtc_state);
64 void intel_psr_unlock(const struct intel_crtc_state *crtc_state);
65 void intel_psr_connector_debugfs_add(struct intel_connector *connector);
66 void intel_psr_debugfs_register(struct drm_i915_private *i915);
67 
68 #endif /* __INTEL_PSR_H__ */
69