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 "intel_display.h"
  10 #include "i915_reg.h"
  11
  12 struct drm_connector_state;
  13 struct drm_i915_private;
  14 struct intel_connector;
  15 struct intel_crtc;
  16 struct intel_crtc_state;
  17 struct intel_dp;
  18 struct intel_dpll_hw_state;
  19 struct intel_encoder;
  20 enum transcoder;
  21
  22 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
  23                          const struct intel_crtc_state *crtc_state);
  24 i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
  25                             const struct intel_crtc_state *crtc_state);
  26 void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
  27                                 struct intel_encoder *intel_encoder,
  28                                 const struct intel_crtc_state *old_crtc_state,
  29                                 const struct drm_connector_state *old_conn_state);
  30 void hsw_fdi_link_train(struct intel_encoder *encoder,
  31                         const struct intel_crtc_state *crtc_state);
  32 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
  33 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
  34 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
  35                                       const struct intel_crtc_state *crtc_state);
  36 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
  37 void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder,
  38                                  const struct intel_crtc_state *crtc_state);
  39 void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
  40 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
  41                           const struct drm_connector_state *conn_state);
  42 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
  43 void intel_ddi_get_config(struct intel_encoder *encoder,
  44                           struct intel_crtc_state *pipe_config);
  45 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
  46                                     bool state);
  47 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
  48                                          struct intel_crtc_state *crtc_state);
  49 u32 bxt_signal_levels(struct intel_dp *intel_dp,
  50                       const struct intel_crtc_state *crtc_state);
  51 u32 ddi_signal_levels(struct intel_dp *intel_dp,
  52                       const struct intel_crtc_state *crtc_state);
  53 int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder,
  54                                      enum transcoder cpu_transcoder,
  55                                      bool enable);
  56 void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
  57
  58 #endif /* __INTEL_DDI_H__ */