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
13struct drm_connector_state;
14struct drm_i915_private;
15struct intel_connector;
16struct intel_crtc;
17struct intel_crtc_state;
18struct intel_dp;
19struct intel_dpll_hw_state;
20struct intel_encoder;
21
22void 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);
25void hsw_fdi_link_train(struct intel_crtc *crtc,
26			const struct intel_crtc_state *crtc_state);
27void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
28bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
29void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state);
30void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
31void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state);
32void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
33void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state);
34bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
35void intel_ddi_get_config(struct intel_encoder *encoder,
36			  struct intel_crtc_state *pipe_config);
37void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
38				    bool state);
39void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
40					 struct intel_crtc_state *crtc_state);
41u32 bxt_signal_levels(struct intel_dp *intel_dp);
42u32 ddi_signal_levels(struct intel_dp *intel_dp);
43u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder);
44u8 intel_ddi_dp_pre_emphasis_max(struct intel_encoder *encoder,
45				 u8 voltage_swing);
46int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder,
47				     bool enable);
48void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
49int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv,
50			struct intel_dpll_hw_state *state);
51
52#endif /* __INTEL_DDI_H__ */