1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6 #ifndef __INTEL_DDI_H__ 7 #define __INTEL_DDI_H__ 8 9 #include <drm/i915_drm.h> 10 11 #include "intel_display.h" 12 13 struct drm_connector_state; 14 struct drm_i915_private; 15 struct intel_connector; 16 struct intel_crtc; 17 struct intel_crtc_state; 18 struct intel_dp; 19 struct intel_dpll_hw_state; 20 struct intel_encoder; 21 22 void intel_ddi_fdi_post_disable(struct intel_encoder *intel_encoder, 23 const struct intel_crtc_state *old_crtc_state, 24 const struct drm_connector_state *old_conn_state); 25 void hsw_fdi_link_train(struct intel_crtc *crtc, 26 const struct intel_crtc_state *crtc_state); 27 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port); 28 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); 29 void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state); 30 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state); 31 void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state); 32 void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state); 33 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, 34 const struct drm_connector_state *conn_state); 35 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); 36 void intel_ddi_get_config(struct intel_encoder *encoder, 37 struct intel_crtc_state *pipe_config); 38 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, 39 bool state); 40 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, 41 struct intel_crtc_state *crtc_state); 42 u32 bxt_signal_levels(struct intel_dp *intel_dp); 43 u32 ddi_signal_levels(struct intel_dp *intel_dp); 44 u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder); 45 u8 intel_ddi_dp_pre_emphasis_max(struct intel_encoder *encoder, 46 u8 voltage_swing); 47 int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder, 48 bool enable); 49 void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder); 50 int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv, 51 struct intel_dpll_hw_state *state); 52 53 #endif /* __INTEL_DDI_H__ */ 54