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 13struct drm_i915_private; 14struct intel_connector; 15struct intel_crtc_state; 16struct intel_dp; 17struct intel_encoder; 18 19intel_wakeref_t intel_pps_lock(struct intel_dp *intel_dp); 20intel_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 25void intel_pps_backlight_on(struct intel_dp *intel_dp); 26void intel_pps_backlight_off(struct intel_dp *intel_dp); 27void intel_pps_backlight_power(struct intel_connector *connector, bool enable); 28 29bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp); 30void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync); 31void intel_pps_on_unlocked(struct intel_dp *intel_dp); 32void intel_pps_off_unlocked(struct intel_dp *intel_dp); 33void intel_pps_check_power_unlocked(struct intel_dp *intel_dp); 34 35void intel_pps_vdd_on(struct intel_dp *intel_dp); 36void intel_pps_on(struct intel_dp *intel_dp); 37void intel_pps_off(struct intel_dp *intel_dp); 38void intel_pps_vdd_off_sync(struct intel_dp *intel_dp); 39bool intel_pps_have_power(struct intel_dp *intel_dp); 40void intel_pps_wait_power_cycle(struct intel_dp *intel_dp); 41 42void intel_pps_init(struct intel_dp *intel_dp); 43void intel_pps_encoder_reset(struct intel_dp *intel_dp); 44void intel_pps_reset_all(struct drm_i915_private *i915); 45 46void vlv_pps_init(struct intel_encoder *encoder, 47 const struct intel_crtc_state *crtc_state); 48 49void intel_pps_unlock_regs_wa(struct drm_i915_private *i915); 50void intel_pps_setup(struct drm_i915_private *i915); 51 52#endif /* __INTEL_PPS_H__ */ 53