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/hdmi.h> 10 #include <linux/types.h> 11 12 struct drm_connector; 13 struct drm_encoder; 14 struct drm_i915_private; 15 struct intel_connector; 16 struct intel_digital_port; 17 struct intel_encoder; 18 struct intel_crtc_state; 19 struct intel_hdmi; 20 struct drm_connector_state; 21 union hdmi_infoframe; 22 enum port; 23 24 void intel_hdmi_init_connector(struct intel_digital_port *dig_port, 25 struct intel_connector *intel_connector); 26 int intel_hdmi_compute_config(struct intel_encoder *encoder, 27 struct intel_crtc_state *pipe_config, 28 struct drm_connector_state *conn_state); 29 void intel_hdmi_encoder_shutdown(struct intel_encoder *encoder); 30 bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder, 31 struct drm_connector *connector, 32 bool high_tmds_clock_ratio, 33 bool scrambling); 34 void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable); 35 void intel_infoframe_init(struct intel_digital_port *dig_port); 36 u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder, 37 const struct intel_crtc_state *crtc_state); 38 u32 intel_hdmi_infoframe_enable(unsigned int type); 39 void intel_hdmi_read_gcp_infoframe(struct intel_encoder *encoder, 40 struct intel_crtc_state *crtc_state); 41 void intel_read_infoframe(struct intel_encoder *encoder, 42 const struct intel_crtc_state *crtc_state, 43 enum hdmi_infoframe_type type, 44 union hdmi_infoframe *frame); 45 bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state, 46 const struct drm_connector_state *conn_state); 47 bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, 48 int bpc, bool has_hdmi_sink, bool ycbcr420_output); 49 int intel_hdmi_tmds_clock(int clock, int bpc, bool ycbcr420_output); 50 int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width, 51 int num_slices, int output_format, bool hdmi_all_bpp, 52 int hdmi_max_chunk_bytes); 53 int intel_hdmi_dsc_get_num_slices(const struct intel_crtc_state *crtc_state, 54 int src_max_slices, int src_max_slice_width, 55 int hdmi_max_slices, int hdmi_throughput); 56 int intel_hdmi_dsc_get_slice_height(int vactive); 57 58 #endif /* __INTEL_HDMI_H__ */ 59