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