drivers/gpu/drm/i915/display/intel_pps.h

   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 struct drm_i915_private;
  14 struct intel_connector;
  15 struct intel_crtc_state;
  16 struct intel_dp;
  17 struct intel_encoder;
  18
  19 intel_wakeref_t intel_pps_lock(struct intel_dp *intel_dp);
  20 intel_wakeref_t intel_pps_unlock(struct intel_dp *intel_dp, intel_wakeref_t wakeref);
  21
  22 #define with_intel_pps_lock(dp, wf)                                             \
  23         for ((wf) = intel_pps_lock(dp); (wf); (wf) = intel_pps_unlock((dp), (wf)))
  24
  25 void intel_dp_check_edp(struct intel_dp *intel_dp);
  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 edp_panel_vdd_on(struct intel_dp *intel_dp);
  31 void edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync);
  32 void edp_panel_vdd_off_sync(struct intel_dp *intel_dp);
  33 void edp_panel_on(struct intel_dp *intel_dp);
  34 void edp_panel_off(struct intel_dp *intel_dp);
  35 void edp_panel_vdd_work(struct work_struct *__work);
  36
  37 void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
  38 void intel_edp_panel_on(struct intel_dp *intel_dp);
  39 void intel_edp_panel_off(struct intel_dp *intel_dp);
  40 bool intel_edp_have_power(struct intel_dp *intel_dp);
  41
  42 void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp);
  43
  44 void wait_panel_power_cycle(struct intel_dp *intel_dp);
  45
  46 void intel_dp_pps_init(struct intel_dp *intel_dp);
  47 void intel_power_sequencer_reset(struct drm_i915_private *i915);
  48 void intel_dp_init_panel_power_timestamps(struct intel_dp *intel_dp);
  49
  50 void vlv_init_panel_power_sequencer(struct intel_encoder *encoder,
  51                                     const struct intel_crtc_state *crtc_state);
  52
  53 #endif /* __INTEL_PPS_H__ */