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 int intel_hdmi_compute_config(struct intel_encoder *encoder, 28 struct intel_crtc_state *pipe_config, 29 struct drm_connector_state *conn_state); 30 void intel_hdmi_encoder_shutdown(struct intel_encoder *encoder); 31 bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder, 32 struct drm_connector *connector, 33 bool high_tmds_clock_ratio, 34 bool scrambling); 35 void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable); 36 void intel_infoframe_init(struct intel_digital_port *dig_port); 37 u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder, 38 const struct intel_crtc_state *crtc_state); 39 u32 intel_hdmi_infoframe_enable(unsigned int type); 40 void intel_hdmi_read_gcp_infoframe(struct intel_encoder *encoder, 41 struct intel_crtc_state *crtc_state); 42 void intel_read_infoframe(struct intel_encoder *encoder, 43 const struct intel_crtc_state *crtc_state, 44 enum hdmi_infoframe_type type, 45 union hdmi_infoframe *frame); 46 bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state, 47 const struct drm_connector_state *conn_state); 48 bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, 49 int bpc, bool has_hdmi_sink); 50 int intel_hdmi_tmds_clock(int clock, int bpc, enum intel_output_format sink_format); 51 int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width, 52 int num_slices, int output_format, bool hdmi_all_bpp, 53 int hdmi_max_chunk_bytes); 54 int intel_hdmi_dsc_get_num_slices(const struct intel_crtc_state *crtc_state, 55 int src_max_slices, int src_max_slice_width, 56 int hdmi_max_slices, int hdmi_throughput); 57 int intel_hdmi_dsc_get_slice_height(int vactive); 58 struct drm_i915_private *intel_hdmi_to_i915(struct intel_hdmi *intel_hdmi); 59 60 #endif /* __INTEL_HDMI_H__ */ 61