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_pps_vdd_sanitize(struct intel_dp *intel_dp); 38 void intel_pps_vdd_on(struct intel_dp *intel_dp); 39 void intel_pps_on(struct intel_dp *intel_dp); 40 void intel_pps_off(struct intel_dp *intel_dp); 41 bool intel_pps_have_power(struct intel_dp *intel_dp); 42 43 void wait_panel_power_cycle(struct intel_dp *intel_dp); 44 45 void intel_dp_pps_init(struct intel_dp *intel_dp); 46 void intel_power_sequencer_reset(struct drm_i915_private *i915); 47 void intel_dp_init_panel_power_timestamps(struct intel_dp *intel_dp); 48 49 void vlv_init_panel_power_sequencer(struct intel_encoder *encoder, 50 const struct intel_crtc_state *crtc_state); 51 52 #endif /* __INTEL_PPS_H__ */ 53