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 port;
13 struct drm_connector;
14 struct drm_connector_state;
15 struct drm_encoder;
16 struct drm_i915_private;
17 struct intel_connector;
18 struct intel_crtc_state;
19 struct intel_digital_port;
20 struct intel_encoder;
21 struct intel_hdmi;
22 union hdmi_infoframe;
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