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_pps_backlight_on(struct intel_dp *intel_dp);
  26 void intel_pps_backlight_off(struct intel_dp *intel_dp);
  27 void intel_pps_backlight_power(struct intel_connector *connector, bool enable);
  28
  29 bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp);
  30 void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync);
  31 void intel_pps_on_unlocked(struct intel_dp *intel_dp);
  32 void intel_pps_off_unlocked(struct intel_dp *intel_dp);
  33 void intel_pps_check_power_unlocked(struct intel_dp *intel_dp);
  34
  35 void intel_pps_vdd_on(struct intel_dp *intel_dp);
  36 void intel_pps_on(struct intel_dp *intel_dp);
  37 void intel_pps_off(struct intel_dp *intel_dp);
  38 void intel_pps_vdd_off_sync(struct intel_dp *intel_dp);
  39 bool intel_pps_have_power(struct intel_dp *intel_dp);
  40 void intel_pps_wait_power_cycle(struct intel_dp *intel_dp);
  41
  42 void intel_pps_init(struct intel_dp *intel_dp);
  43 void intel_pps_encoder_reset(struct intel_dp *intel_dp);
  44 void intel_pps_reset_all(struct drm_i915_private *i915);
  45
  46 void vlv_pps_init(struct intel_encoder *encoder,
  47                   const struct intel_crtc_state *crtc_state);
  48
  49 void intel_pps_unlock_regs_wa(struct drm_i915_private *i915);
  50 void intel_pps_setup(struct drm_i915_private *i915);
  51
  52 #endif /* __INTEL_PPS_H__ */