xref: /linux/drivers/gpu/drm/i915/display/intel_pps.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2020 Intel Corporation
4  */
5 
6 #ifndef __INTEL_PPS_H__
7 #define __INTEL_PPS_H__
8 
9 #include <linux/types.h>
10 
11 #include "intel_wakeref.h"
12 
13 enum pipe;
14 struct intel_connector;
15 struct intel_crtc_state;
16 struct intel_display;
17 struct intel_dp;
18 struct intel_encoder;
19 
20 intel_wakeref_t intel_pps_lock(struct intel_dp *intel_dp);
21 intel_wakeref_t intel_pps_unlock(struct intel_dp *intel_dp, intel_wakeref_t wakeref);
22 
23 #define with_intel_pps_lock(dp, wf)						\
24 	for ((wf) = intel_pps_lock(dp); (wf); (wf) = intel_pps_unlock((dp), (wf)))
25 
26 void intel_pps_backlight_on(struct intel_dp *intel_dp);
27 void intel_pps_backlight_off(struct intel_dp *intel_dp);
28 void intel_pps_backlight_power(struct intel_connector *connector, bool enable);
29 
30 bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp);
31 void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync);
32 void intel_pps_on_unlocked(struct intel_dp *intel_dp);
33 void intel_pps_off_unlocked(struct intel_dp *intel_dp);
34 void intel_pps_check_power_unlocked(struct intel_dp *intel_dp);
35 
36 void intel_pps_vdd_on(struct intel_dp *intel_dp);
37 void intel_pps_vdd_off(struct intel_dp *intel_dp);
38 void intel_pps_on(struct intel_dp *intel_dp);
39 void intel_pps_off(struct intel_dp *intel_dp);
40 void intel_pps_vdd_off_sync(struct intel_dp *intel_dp);
41 bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp);
42 void intel_pps_wait_power_cycle(struct intel_dp *intel_dp);
43 
44 bool intel_pps_init(struct intel_dp *intel_dp);
45 void intel_pps_init_late(struct intel_dp *intel_dp);
46 void intel_pps_encoder_reset(struct intel_dp *intel_dp);
47 
48 void vlv_pps_pipe_init(struct intel_dp *intel_dp);
49 void vlv_pps_pipe_reset(struct intel_dp *intel_dp);
50 enum pipe vlv_pps_backlight_initial_pipe(struct intel_dp *intel_dp);
51 void vlv_pps_port_enable_unlocked(struct intel_encoder *encoder,
52 				  const struct intel_crtc_state *crtc_state);
53 void vlv_pps_port_disable(struct intel_encoder *encoder,
54 			  const struct intel_crtc_state *crtc_state);
55 void vlv_pps_reset_all(struct intel_display *display);
56 void bxt_pps_reset_all(struct intel_display *display);
57 
58 void intel_pps_unlock_regs_wa(struct intel_display *display);
59 void intel_pps_setup(struct intel_display *display);
60 
61 void intel_pps_connector_debugfs_add(struct intel_connector *connector);
62 
63 void assert_pps_unlocked(struct intel_display *display, enum pipe pipe);
64 
65 #endif /* __INTEL_PPS_H__ */
66