1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6 #ifndef __INTEL_PSR_H__ 7 #define __INTEL_PSR_H__ 8 9 #include <linux/types.h> 10 11 enum fb_op_origin; 12 struct drm_connector; 13 struct drm_connector_state; 14 struct drm_i915_private; 15 struct intel_atomic_state; 16 struct intel_connector; 17 struct intel_crtc; 18 struct intel_crtc_state; 19 struct intel_dp; 20 struct intel_encoder; 21 struct intel_plane; 22 struct intel_plane_state; 23 24 bool intel_encoder_can_psr(struct intel_encoder *encoder); 25 void intel_psr_init_dpcd(struct intel_dp *intel_dp); 26 void intel_psr_pre_plane_update(struct intel_atomic_state *state, 27 struct intel_crtc *crtc); 28 void intel_psr_post_plane_update(struct intel_atomic_state *state, 29 struct intel_crtc *crtc); 30 void intel_psr_disable(struct intel_dp *intel_dp, 31 const struct intel_crtc_state *old_crtc_state); 32 int intel_psr_debug_set(struct intel_dp *intel_dp, u64 value); 33 void intel_psr_invalidate(struct drm_i915_private *dev_priv, 34 unsigned frontbuffer_bits, 35 enum fb_op_origin origin); 36 void intel_psr_flush(struct drm_i915_private *dev_priv, 37 unsigned frontbuffer_bits, 38 enum fb_op_origin origin); 39 void intel_psr_init(struct intel_dp *intel_dp); 40 void intel_psr_compute_config(struct intel_dp *intel_dp, 41 struct intel_crtc_state *crtc_state, 42 struct drm_connector_state *conn_state); 43 void intel_psr_get_config(struct intel_encoder *encoder, 44 struct intel_crtc_state *pipe_config); 45 void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir); 46 void intel_psr_short_pulse(struct intel_dp *intel_dp); 47 void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state); 48 bool intel_psr_enabled(struct intel_dp *intel_dp); 49 int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, 50 struct intel_crtc *crtc); 51 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state); 52 void intel_psr_pause(struct intel_dp *intel_dp); 53 void intel_psr_resume(struct intel_dp *intel_dp); 54 55 void intel_psr_lock(const struct intel_crtc_state *crtc_state); 56 void intel_psr_unlock(const struct intel_crtc_state *crtc_state); 57 void intel_psr_connector_debugfs_add(struct intel_connector *connector); 58 void intel_psr_debugfs_register(struct drm_i915_private *i915); 59 60 #endif /* __INTEL_PSR_H__ */ 61