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 enum pipe;
  14 struct drm_i915_private;
  15 struct intel_connector;
  16 struct intel_crtc_state;
  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_on(struct intel_dp *intel_dp);
  38 void intel_pps_off(struct intel_dp *intel_dp);
  39 void intel_pps_vdd_off_sync(struct intel_dp *intel_dp);
  40 bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp);
  41 void intel_pps_wait_power_cycle(struct intel_dp *intel_dp);
  42
  43 bool intel_pps_init(struct intel_dp *intel_dp);
  44 void intel_pps_init_late(struct intel_dp *intel_dp);
  45 void intel_pps_encoder_reset(struct intel_dp *intel_dp);
  46 void intel_pps_reset_all(struct drm_i915_private *i915);
  47
  48 void vlv_pps_init(struct intel_encoder *encoder,
  49                   const struct intel_crtc_state *crtc_state);
  50
  51 void intel_pps_unlock_regs_wa(struct drm_i915_private *i915);
  52 void intel_pps_setup(struct drm_i915_private *i915);
  53
  54 void assert_pps_unlocked(struct drm_i915_private *i915, enum pipe pipe);
  55
  56 #endif /* __INTEL_PPS_H__ */