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 struct intel_shared_dpll;
  21 enum transcoder;
  22
  23 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
  24                          const struct intel_crtc_state *crtc_state);
  25 i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
  26                             const struct intel_crtc_state *crtc_state);
  27 void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
  28                                 struct intel_encoder *intel_encoder,
  29                                 const struct intel_crtc_state *old_crtc_state,
  30                                 const struct drm_connector_state *old_conn_state);
  31 void intel_ddi_enable_clock(struct intel_encoder *encoder,
  32                             const struct intel_crtc_state *crtc_state);
  33 void intel_ddi_get_clock(struct intel_encoder *encoder,
  34                          struct intel_crtc_state *crtc_state,
  35                          struct intel_shared_dpll *pll);
  36 void hsw_ddi_enable_clock(struct intel_encoder *encoder,
  37                           const struct intel_crtc_state *crtc_state);
  38 void hsw_ddi_disable_clock(struct intel_encoder *encoder);
  39 bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
  40 void hsw_ddi_get_config(struct intel_encoder *encoder,
  41                         struct intel_crtc_state *crtc_state);
  42 struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
  43 void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
  44                                   const struct intel_crtc_state *crtc_state);
  45 void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
  46                              enum port port);
  47 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
  48 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
  49 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
  50                                       const struct intel_crtc_state *crtc_state);
  51 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
  52 void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder,
  53                                  const struct intel_crtc_state *crtc_state);
  54 void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
  55 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
  56                           const struct drm_connector_state *conn_state);
  57 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
  58 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
  59                                     bool state);
  60 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
  61                                          struct intel_crtc_state *crtc_state);
  62 u32 bxt_signal_levels(struct intel_dp *intel_dp,
  63                       const struct intel_crtc_state *crtc_state);
  64 u32 ddi_signal_levels(struct intel_dp *intel_dp,
  65                       const struct intel_crtc_state *crtc_state);
  66 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
  67                                enum transcoder cpu_transcoder,
  68                                bool enable, u32 hdcp_mask);
  69 void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
  70
  71 #endif /* __INTEL_DDI_H__ */