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
11enum hdmi_infoframe_type;
12enum intel_output_format;
13enum port;
14struct drm_connector;
15struct drm_connector_state;
16struct drm_encoder;
17struct intel_connector;
18struct intel_crtc_state;
19struct intel_digital_port;
20struct intel_encoder;
21struct intel_hdmi;
22union hdmi_infoframe;
23
24bool intel_hdmi_init_connector(struct intel_digital_port *dig_port,
25 struct intel_connector *intel_connector);
26bool intel_hdmi_compute_has_hdmi_sink(struct intel_encoder *encoder,
27 const struct intel_crtc_state *crtc_state,
28 const struct drm_connector_state *conn_state);
29int intel_hdmi_compute_config(struct intel_encoder *encoder,
30 struct intel_crtc_state *pipe_config,
31 struct drm_connector_state *conn_state);
32void intel_hdmi_encoder_shutdown(struct intel_encoder *encoder);
33bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder,
34 struct drm_connector *connector,
35 bool high_tmds_clock_ratio,
36 bool scrambling);
37void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable);
38void intel_infoframe_init(struct intel_digital_port *dig_port);
39u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder,
40 const struct intel_crtc_state *crtc_state);
41u32 intel_hdmi_infoframe_enable(unsigned int type);
42void intel_hdmi_read_gcp_infoframe(struct intel_encoder *encoder,
43 struct intel_crtc_state *crtc_state);
44void intel_hdmi_fastset_infoframes(struct intel_encoder *encoder,
45 const struct intel_crtc_state *crtc_state,
46 const struct drm_connector_state *conn_state);
47void intel_read_infoframe(struct intel_encoder *encoder,
48 const struct intel_crtc_state *crtc_state,
49 enum hdmi_infoframe_type type,
50 union hdmi_infoframe *frame);
51bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state,
52 const struct drm_connector_state *conn_state);
53bool intel_hdmi_bpc_possible(const struct intel_crtc_state *crtc_state,
54 int bpc, bool has_hdmi_sink);
55int intel_hdmi_tmds_clock(int clock, int bpc, enum intel_output_format sink_format);
56int intel_hdmi_dsc_get_bpp(int src_fractional_bpp, int slice_width,
57 int num_slices, int output_format, bool hdmi_all_bpp,
58 int hdmi_max_chunk_bytes);
59int intel_hdmi_dsc_get_num_slices(const struct intel_crtc_state *crtc_state,
60 int src_max_slices, int src_max_slice_width,
61 int hdmi_max_slices, int hdmi_throughput);
62int intel_hdmi_dsc_get_slice_height(int vactive);
63
64void hsw_write_infoframe(struct intel_encoder *encoder,
65 const struct intel_crtc_state *crtc_state,
66 unsigned int type,
67 const void *frame, ssize_t len);
68void hsw_read_infoframe(struct intel_encoder *encoder,
69 const struct intel_crtc_state *crtc_state,
70 unsigned int type,
71 void *frame, ssize_t len);
72
73#endif /* __INTEL_HDMI_H__ */
74