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__ */ 57