1 /* $NetBSD: intel_ddi.h,v 1.2 2021/12/18 23:45:29 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: MIT */ 4 /* 5 * Copyright © 2019 Intel Corporation 6 */ 7 8 #ifndef __INTEL_DDI_H__ 9 #define __INTEL_DDI_H__ 10 11 #include <drm/i915_drm.h> 12 13 #include "intel_display.h" 14 15 struct drm_connector_state; 16 struct drm_i915_private; 17 struct intel_connector; 18 struct intel_crtc; 19 struct intel_crtc_state; 20 struct intel_dp; 21 struct intel_dpll_hw_state; 22 struct intel_encoder; 23 24 void intel_ddi_fdi_post_disable(struct intel_encoder *intel_encoder, 25 const struct intel_crtc_state *old_crtc_state, 26 const struct drm_connector_state *old_conn_state); 27 void hsw_fdi_link_train(struct intel_encoder *encoder, 28 const struct intel_crtc_state *crtc_state); 29 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port); 30 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); 31 void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state); 32 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state); 33 void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state); 34 void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state); 35 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, 36 const struct drm_connector_state *conn_state); 37 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); 38 void intel_ddi_get_config(struct intel_encoder *encoder, 39 struct intel_crtc_state *pipe_config); 40 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, 41 bool state); 42 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, 43 struct intel_crtc_state *crtc_state); 44 u32 bxt_signal_levels(struct intel_dp *intel_dp); 45 u32 ddi_signal_levels(struct intel_dp *intel_dp); 46 u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder); 47 u8 intel_ddi_dp_pre_emphasis_max(struct intel_encoder *encoder, 48 u8 voltage_swing); 49 int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder, 50 bool enable); 51 void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder); 52 int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv, 53 struct intel_dpll_hw_state *state); 54 55 #endif /* __INTEL_DDI_H__ */ 56