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 #include "i915_reg.h" 13 14 struct drm_connector; 15 struct drm_encoder; 16 struct drm_i915_private; 17 struct intel_connector; 18 struct intel_digital_port; 19 struct intel_encoder; 20 struct intel_crtc_state; 21 struct intel_hdmi; 22 struct drm_connector_state; 23 union hdmi_infoframe; 24 enum port; 25 26 void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg, 27 enum port port); 28 void intel_hdmi_init_connector(struct intel_digital_port *dig_port, 29 struct intel_connector *intel_connector); 30 struct intel_hdmi *enc_to_intel_hdmi(struct intel_encoder *encoder); 31 int intel_hdmi_compute_config(struct intel_encoder *encoder, 32 struct intel_crtc_state *pipe_config, 33 struct drm_connector_state *conn_state); 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_deep_color_possible(const struct intel_crtc_state *crtc_state, int bpc, 52 bool has_hdmi_sink, bool ycbcr420_output); 53 int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width, 54 int num_slices, int output_format, bool hdmi_all_bpp, 55 int hdmi_max_chunk_bytes); 56 int intel_hdmi_dsc_get_num_slices(const struct intel_crtc_state *crtc_state, 57 int src_max_slices, int src_max_slice_width, 58 int hdmi_max_slices, int hdmi_throughput); 59 int intel_hdmi_dsc_get_slice_height(int vactive); 60 61 #endif /* __INTEL_HDMI_H__ */ 62