xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/i915/display/intel_hdmi.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: MIT */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright © 2019 Intel Corporation
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef __INTEL_HDMI_H__
7*4882a593Smuzhiyun #define __INTEL_HDMI_H__
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/hdmi.h>
10*4882a593Smuzhiyun #include <linux/types.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include "i915_reg.h"
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct drm_connector;
15*4882a593Smuzhiyun struct drm_encoder;
16*4882a593Smuzhiyun struct drm_i915_private;
17*4882a593Smuzhiyun struct intel_connector;
18*4882a593Smuzhiyun struct intel_digital_port;
19*4882a593Smuzhiyun struct intel_encoder;
20*4882a593Smuzhiyun struct intel_crtc_state;
21*4882a593Smuzhiyun struct intel_hdmi;
22*4882a593Smuzhiyun struct drm_connector_state;
23*4882a593Smuzhiyun union hdmi_infoframe;
24*4882a593Smuzhiyun enum port;
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg,
27*4882a593Smuzhiyun 		     enum port port);
28*4882a593Smuzhiyun void intel_hdmi_init_connector(struct intel_digital_port *dig_port,
29*4882a593Smuzhiyun 			       struct intel_connector *intel_connector);
30*4882a593Smuzhiyun struct intel_hdmi *enc_to_intel_hdmi(struct intel_encoder *encoder);
31*4882a593Smuzhiyun int intel_hdmi_compute_config(struct intel_encoder *encoder,
32*4882a593Smuzhiyun 			      struct intel_crtc_state *pipe_config,
33*4882a593Smuzhiyun 			      struct drm_connector_state *conn_state);
34*4882a593Smuzhiyun bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder,
35*4882a593Smuzhiyun 				       struct drm_connector *connector,
36*4882a593Smuzhiyun 				       bool high_tmds_clock_ratio,
37*4882a593Smuzhiyun 				       bool scrambling);
38*4882a593Smuzhiyun void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable);
39*4882a593Smuzhiyun void intel_infoframe_init(struct intel_digital_port *dig_port);
40*4882a593Smuzhiyun u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder,
41*4882a593Smuzhiyun 				  const struct intel_crtc_state *crtc_state);
42*4882a593Smuzhiyun u32 intel_hdmi_infoframe_enable(unsigned int type);
43*4882a593Smuzhiyun void intel_hdmi_read_gcp_infoframe(struct intel_encoder *encoder,
44*4882a593Smuzhiyun 				   struct intel_crtc_state *crtc_state);
45*4882a593Smuzhiyun void intel_read_infoframe(struct intel_encoder *encoder,
46*4882a593Smuzhiyun 			  const struct intel_crtc_state *crtc_state,
47*4882a593Smuzhiyun 			  enum hdmi_infoframe_type type,
48*4882a593Smuzhiyun 			  union hdmi_infoframe *frame);
49*4882a593Smuzhiyun bool intel_hdmi_limited_color_range(const struct intel_crtc_state *crtc_state,
50*4882a593Smuzhiyun 				    const struct drm_connector_state *conn_state);
51*4882a593Smuzhiyun bool intel_hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state, int bpc,
52*4882a593Smuzhiyun 				    bool has_hdmi_sink, bool ycbcr420_output);
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #endif /* __INTEL_HDMI_H__ */
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