1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef __INTEL_HDCP_H__
7 #define __INTEL_HDCP_H__
8 
9 #include <linux/types.h>
10 
11 #define HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS	50
12 
13 struct drm_connector;
14 struct drm_connector_state;
15 struct drm_i915_private;
16 struct intel_atomic_state;
17 struct intel_connector;
18 struct intel_crtc_state;
19 struct intel_encoder;
20 struct intel_hdcp_shim;
21 struct intel_digital_port;
22 enum port;
23 enum transcoder;
24 
25 void intel_hdcp_atomic_check(struct drm_connector *connector,
26 			     struct drm_connector_state *old_state,
27 			     struct drm_connector_state *new_state);
28 int intel_hdcp_init(struct intel_connector *connector,
29 		    struct intel_digital_port *dig_port,
30 		    const struct intel_hdcp_shim *hdcp_shim);
31 int intel_hdcp_enable(struct intel_connector *connector,
32 		      const struct intel_crtc_state *pipe_config, u8 content_type);
33 int intel_hdcp_disable(struct intel_connector *connector);
34 void intel_hdcp_update_pipe(struct intel_atomic_state *state,
35 			    struct intel_encoder *encoder,
36 			    const struct intel_crtc_state *crtc_state,
37 			    const struct drm_connector_state *conn_state);
38 bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port);
39 bool intel_hdcp_capable(struct intel_connector *connector);
40 bool intel_hdcp2_capable(struct intel_connector *connector);
41 void intel_hdcp_component_init(struct drm_i915_private *dev_priv);
42 void intel_hdcp_component_fini(struct drm_i915_private *dev_priv);
43 void intel_hdcp_cleanup(struct intel_connector *connector);
44 void intel_hdcp_handle_cp_irq(struct intel_connector *connector);
45 
46 #endif /* __INTEL_HDCP_H__ */
47