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
13enum pipe;
14struct drm_i915_private;
15struct intel_connector;
16struct intel_crtc_state;
17struct intel_dp;
18struct intel_encoder;
19
20intel_wakeref_t intel_pps_lock(struct intel_dp *intel_dp);
21intel_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
26void intel_pps_backlight_on(struct intel_dp *intel_dp);
27void intel_pps_backlight_off(struct intel_dp *intel_dp);
28void intel_pps_backlight_power(struct intel_connector *connector, bool enable);
29
30bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp);
31void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync);
32void intel_pps_on_unlocked(struct intel_dp *intel_dp);
33void intel_pps_off_unlocked(struct intel_dp *intel_dp);
34void intel_pps_check_power_unlocked(struct intel_dp *intel_dp);
35
36void intel_pps_vdd_on(struct intel_dp *intel_dp);
37void intel_pps_on(struct intel_dp *intel_dp);
38void intel_pps_off(struct intel_dp *intel_dp);
39void intel_pps_vdd_off_sync(struct intel_dp *intel_dp);
40bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp);
41void intel_pps_wait_power_cycle(struct intel_dp *intel_dp);
42
43bool intel_pps_init(struct intel_dp *intel_dp);
44void intel_pps_init_late(struct intel_dp *intel_dp);
45void intel_pps_encoder_reset(struct intel_dp *intel_dp);
46void intel_pps_reset_all(struct drm_i915_private *i915);
47
48void vlv_pps_init(struct intel_encoder *encoder,
49		  const struct intel_crtc_state *crtc_state);
50
51void intel_pps_unlock_regs_wa(struct drm_i915_private *i915);
52void intel_pps_setup(struct drm_i915_private *i915);
53
54void assert_pps_unlocked(struct drm_i915_private *i915, enum pipe pipe);
55
56#endif /* __INTEL_PPS_H__ */
57