xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/i915/display/intel_hdmi.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: intel_hdmi.h,v 1.2 2021/12/18 23:45:30 riastradh Exp $	*/
2 
3 /* SPDX-License-Identifier: MIT */
4 /*
5  * Copyright © 2019 Intel Corporation
6  */
7 
8 #ifndef __INTEL_HDMI_H__
9 #define __INTEL_HDMI_H__
10 
11 #include <linux/hdmi.h>
12 #include <linux/types.h>
13 
14 #include <drm/i915_drm.h>
15 
16 #include "i915_reg.h"
17 
18 struct drm_connector;
19 struct drm_encoder;
20 struct drm_i915_private;
21 struct intel_connector;
22 struct intel_digital_port;
23 struct intel_encoder;
24 struct intel_crtc_state;
25 struct intel_hdmi;
26 struct drm_connector_state;
27 union hdmi_infoframe;
28 enum port;
29 
30 void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg,
31 		     enum port port);
32 void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
33 			       struct intel_connector *intel_connector);
34 struct intel_hdmi *enc_to_intel_hdmi(struct intel_encoder *encoder);
35 int intel_hdmi_compute_config(struct intel_encoder *encoder,
36 			      struct intel_crtc_state *pipe_config,
37 			      struct drm_connector_state *conn_state);
38 bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder,
39 				       struct drm_connector *connector,
40 				       bool high_tmds_clock_ratio,
41 				       bool scrambling);
42 void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable);
43 void intel_infoframe_init(struct intel_digital_port *intel_dig_port);
44 u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder,
45 				  const struct intel_crtc_state *crtc_state);
46 u32 intel_hdmi_infoframe_enable(unsigned int type);
47 void intel_hdmi_read_gcp_infoframe(struct intel_encoder *encoder,
48 				   struct intel_crtc_state *crtc_state);
49 void intel_read_infoframe(struct intel_encoder *encoder,
50 			  const struct intel_crtc_state *crtc_state,
51 			  enum hdmi_infoframe_type type,
52 			  union hdmi_infoframe *frame);
53 
54 #endif /* __INTEL_HDMI_H__ */
55