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 enum pipe; 12 struct intel_connector; 13 struct intel_crtc_state; 14 struct intel_display; 15 struct intel_dp; 16 struct intel_encoder; 17 struct ref_tracker; 18 19 struct ref_tracker *intel_pps_lock(struct intel_dp *intel_dp); 20 struct ref_tracker *intel_pps_unlock(struct intel_dp *intel_dp, struct ref_tracker *wakeref); 21 22 #define __with_intel_pps_lock(dp, wf) \ 23 for (struct ref_tracker *(wf) = intel_pps_lock(dp); (wf); (wf) = intel_pps_unlock((dp), (wf))) 24 25 #define with_intel_pps_lock(dp) \ 26 __with_intel_pps_lock((dp), __UNIQUE_ID(wakeref)) 27 28 void intel_pps_backlight_on(struct intel_dp *intel_dp); 29 void intel_pps_backlight_off(struct intel_dp *intel_dp); 30 void intel_pps_backlight_power(struct intel_connector *connector, bool enable); 31 32 bool intel_pps_vdd_on_unlocked(struct intel_dp *intel_dp); 33 void intel_pps_vdd_off_unlocked(struct intel_dp *intel_dp, bool sync); 34 void intel_pps_on_unlocked(struct intel_dp *intel_dp); 35 void intel_pps_off_unlocked(struct intel_dp *intel_dp); 36 void intel_pps_check_power_unlocked(struct intel_dp *intel_dp); 37 38 void intel_pps_vdd_on(struct intel_dp *intel_dp); 39 void intel_pps_vdd_off(struct intel_dp *intel_dp); 40 void intel_pps_on(struct intel_dp *intel_dp); 41 void intel_pps_off(struct intel_dp *intel_dp); 42 void intel_pps_vdd_off_sync(struct intel_dp *intel_dp); 43 bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp); 44 void intel_pps_wait_power_cycle(struct intel_dp *intel_dp); 45 46 bool intel_pps_init(struct intel_dp *intel_dp); 47 void intel_pps_init_late(struct intel_dp *intel_dp); 48 void intel_pps_encoder_reset(struct intel_dp *intel_dp); 49 50 void vlv_pps_pipe_init(struct intel_dp *intel_dp); 51 void vlv_pps_pipe_reset(struct intel_dp *intel_dp); 52 enum pipe vlv_pps_backlight_initial_pipe(struct intel_dp *intel_dp); 53 void vlv_pps_port_enable_unlocked(struct intel_encoder *encoder, 54 const struct intel_crtc_state *crtc_state); 55 void vlv_pps_port_disable(struct intel_encoder *encoder, 56 const struct intel_crtc_state *crtc_state); 57 void vlv_pps_reset_all(struct intel_display *display); 58 void bxt_pps_reset_all(struct intel_display *display); 59 60 void intel_pps_unlock_regs_wa(struct intel_display *display); 61 void intel_pps_setup(struct intel_display *display); 62 63 void intel_pps_connector_debugfs_add(struct intel_connector *connector); 64 65 void assert_pps_unlocked(struct intel_display *display, enum pipe pipe); 66 67 #endif /* __INTEL_PPS_H__ */ 68