drivers/gpu/drm/i915/display/intel_ddi.h

   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_encoder *encoder,
  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__ */