LXR linux/drivers/gpu/drm/i915/display/intel

   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
  11struct drm_connector_state;
  12struct drm_i915_private;
  13struct intel_atomic_state;
  14struct intel_connector;
  15struct intel_crtc;
  16struct intel_crtc_state;
  17struct intel_dp;
  18struct intel_dpll_hw_state;
  19struct intel_encoder;
  20struct intel_shared_dpll;
  21enum pipe;
  22enum port;
  23enum transcoder;
  24
  25i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
  26                         const struct intel_crtc_state *crtc_state);
  27i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
  28                            const struct intel_crtc_state *crtc_state);
  29void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
  30                                struct intel_encoder *intel_encoder,
  31                                const struct intel_crtc_state *old_crtc_state,
  32                                const struct drm_connector_state *old_conn_state);
  33void intel_ddi_enable_clock(struct intel_encoder *encoder,
  34                            const struct intel_crtc_state *crtc_state);
  35void intel_ddi_disable_clock(struct intel_encoder *encoder);
  36void intel_ddi_get_clock(struct intel_encoder *encoder,
  37                         struct intel_crtc_state *crtc_state,
  38                         struct intel_shared_dpll *pll);
  39void hsw_ddi_enable_clock(struct intel_encoder *encoder,
  40                          const struct intel_crtc_state *crtc_state);
  41void hsw_ddi_disable_clock(struct intel_encoder *encoder);
  42bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
  43void hsw_ddi_get_config(struct intel_encoder *encoder,
  44                        struct intel_crtc_state *crtc_state);
  45struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
  46void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
  47                                const struct intel_crtc_state *crtc_state);
  48void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
  49                             enum port port);
  50void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
  51bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
  52void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
  53                                      const struct intel_crtc_state *crtc_state);
  54void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
  55void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder,
  56                                 const struct intel_crtc_state *crtc_state);
  57void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
  58void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
  59                          const struct drm_connector_state *conn_state);
  60bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
  61void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
  62                                    bool state);
  63void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
  64                                         struct intel_crtc_state *crtc_state);
  65int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
  66                               enum transcoder cpu_transcoder,
  67                               bool enable, u32 hdcp_mask);
  68void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
  69int intel_ddi_level(struct intel_encoder *encoder,
  70                    const struct intel_crtc_state *crtc_state,
  71                    int lane);
  72
  73#endif /* __INTEL_DDI_H__ */
  74