1/* SPDX-License-Identifier: MIT */
2
3#ifndef DRM_HDMI_HELPER
4#define DRM_HDMI_HELPER
5
6#include <linux/hdmi.h>
7
8struct drm_connector;
9struct drm_connector_state;
10struct drm_display_mode;
11
12void
13drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
14 const struct drm_connector_state *conn_state);
15
16void
17drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
18 const struct drm_connector_state *conn_state);
19
20int
21drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
22 const struct drm_connector_state *conn_state);
23
24void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
25 const struct drm_connector_state *conn_state);
26
27unsigned long long
28drm_hdmi_compute_mode_clock(const struct drm_display_mode *mode,
29 unsigned int bpc, enum hdmi_colorspace fmt);
30
31void
32drm_hdmi_acr_get_n_cts(unsigned long long tmds_char_rate,
33 unsigned int sample_rate,
34 unsigned int *out_n,
35 unsigned int *out_cts);
36
37#endif
38