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

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2019 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_HDMI_H__
   7 #define __INTEL_HDMI_H__
   8
   9 #include <linux/types.h>
  10
  11 enum hdmi_infoframe_type;
  12 enum intel_output_format;
  13 enum port;
  14 struct drm_connector;
  15 struct drm_connector_state;
  16 struct drm_encoder;
  17 struct drm_i915_private;
  18 struct intel_connector;
  19 struct intel_crtc_state;
  20 struct intel_digital_port;
  21 struct intel_encoder;
  22 struct intel_hdmi;
  23 union hdmi_infoframe;
  24
  25 void intel_hdmi_init_connector(struct intel_digital_port *dig_port,
  26                                struct intel_connector *intel_connector);
  27 bool intel_hdmi_compute_has_hdmi_sink(struct intel_encoder *encoder,
  28                                       const struct intel_crtc_state *crtc_state,
  29                                       const struct drm_connector_state *conn_state);
  30 int intel_hdmi_compute_config(struct intel_encoder *encoder,
  31                               struct intel_crtc_state *pipe_config,
  32                               struct drm_connector_state *conn_state);
  33 void intel_hdmi_encoder_shutdown(struct intel_encoder *encoder);
  34 bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder,
  35                                        struct drm_connector *connector,
  36                                        bool high_tmds_clock_ratio,
  37                                        bool scrambling);
  38 void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable);
  39 void intel_infoframe_init(struct intel_digital_port *dig_port);
  40 u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder,
  41                                   const struct intel_crtc_state *crtc_state);
  42 u32 intel_hdmi_infoframe_enable(unsigned int type);
  43 void intel_hdmi_read_gcp_infoframe(struct intel_encoder *encoder,
  44                                    struct intel_crtc_state *crtc_state);
  45 void intel_read_infoframe(struct intel_encoder *encoder,
  46                           const struct intel_crtc_state *crtc_state,
  47                           enum hdmi_infoframe_type type,
  48                           union hdmi_infoframe *frame);
  49 bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state,
  50                                     const struct drm_connector_state *conn_state);
  51 bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state,
  52                              int bpc, bool has_hdmi_sink);
  53 int intel_hdmi_tmds_clock(int clock, int bpc, enum intel_output_format sink_format);
  54 int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width,
  55                            int num_slices, int output_format, bool hdmi_all_bpp,
  56                            int hdmi_max_chunk_bytes);
  57 int intel_hdmi_dsc_get_num_slices(const struct intel_crtc_state *crtc_state,
  58                                   int src_max_slices, int src_max_slice_width,
  59                                   int hdmi_max_slices, int hdmi_throughput);
  60 int intel_hdmi_dsc_get_slice_height(int vactive);
  61 struct drm_i915_private *intel_hdmi_to_i915(struct intel_hdmi *intel_hdmi);
  62
  63 #endif /* __INTEL_HDMI_H__ */