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 "i915_reg_defs.h"
  10
  11 struct drm_connector_state;
  12 struct drm_i915_private;
  13 struct intel_atomic_state;
  14 struct intel_bios_encoder_data;
  15 struct intel_connector;
  16 struct intel_crtc;
  17 struct intel_crtc_state;
  18 struct intel_display;
  19 struct intel_dp;
  20 struct intel_dpll_hw_state;
  21 struct intel_encoder;
  22 struct intel_shared_dpll;
  23 enum pipe;
  24 enum port;
  25 enum transcoder;
  26
  27 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
  28                          const struct intel_crtc_state *crtc_state);
  29 i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
  30                             const struct intel_crtc_state *crtc_state);
  31 i915_reg_t hsw_chicken_trans_reg(struct drm_i915_private *i915,
  32                                  enum transcoder cpu_transcoder);
  33 void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
  34                                 struct intel_encoder *intel_encoder,
  35                                 const struct intel_crtc_state *old_crtc_state,
  36                                 const struct drm_connector_state *old_conn_state);
  37 void intel_ddi_enable_clock(struct intel_encoder *encoder,
  38                             const struct intel_crtc_state *crtc_state);
  39 void intel_ddi_disable_clock(struct intel_encoder *encoder);
  40 void intel_ddi_get_clock(struct intel_encoder *encoder,
  41                          struct intel_crtc_state *crtc_state,
  42                          struct intel_shared_dpll *pll);
  43 void hsw_ddi_enable_clock(struct intel_encoder *encoder,
  44                           const struct intel_crtc_state *crtc_state);
  45 void hsw_ddi_disable_clock(struct intel_encoder *encoder);
  46 bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
  47 enum icl_port_dpll_id
  48 intel_ddi_port_pll_type(struct intel_encoder *encoder,
  49                         const struct intel_crtc_state *crtc_state);
  50 void hsw_ddi_get_config(struct intel_encoder *encoder,
  51                         struct intel_crtc_state *crtc_state);
  52 struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
  53 void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
  54                                 const struct intel_crtc_state *crtc_state);
  55 void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
  56                              enum port port);
  57 void intel_ddi_init(struct intel_display *display,
  58                     const struct intel_bios_encoder_data *devdata);
  59 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
  60 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
  61                                       const struct intel_crtc_state *crtc_state);
  62 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
  63 void intel_ddi_enable_transcoder_clock(struct intel_encoder *encoder,
  64                                        const struct intel_crtc_state *crtc_state);
  65 void intel_ddi_disable_transcoder_clock(const  struct intel_crtc_state *crtc_state);
  66 void intel_ddi_wait_for_fec_status(struct intel_encoder *encoder,
  67                                    const struct intel_crtc_state *crtc_state,
  68                                    bool enabled);
  69 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
  70                           const struct drm_connector_state *conn_state);
  71 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
  72 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
  73                                     bool state);
  74 void intel_ddi_compute_min_voltage_level(struct intel_crtc_state *crtc_state);
  75 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
  76                                enum transcoder cpu_transcoder,
  77                                bool enable, u32 hdcp_mask);
  78 void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
  79 int intel_ddi_level(struct intel_encoder *encoder,
  80                     const struct intel_crtc_state *crtc_state,
  81                     int lane);
  82 void intel_ddi_update_active_dpll(struct intel_atomic_state *state,
  83                                   struct intel_encoder *encoder,
  84                                   struct intel_crtc *crtc);
  85
  86 #endif /* __INTEL_DDI_H__ */