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 intel_atomic_state;
16 struct intel_connector;
17 struct intel_crtc_state;
18 struct intel_digital_port;
19 struct intel_display;
20 struct intel_encoder;
21 struct intel_hdcp_shim;
22 struct seq_file;
23 enum port;
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 void intel_hdcp_enable(struct intel_atomic_state *state,
32 		       struct intel_encoder *encoder,
33 		       const struct intel_crtc_state *pipe_config,
34 		       const struct drm_connector_state *conn_state);
35 int intel_hdcp_disable(struct intel_connector *connector);
36 void intel_hdcp_cancel_works(struct intel_connector *connector);
37 void intel_hdcp_update_pipe(struct intel_atomic_state *state,
38 			    struct intel_encoder *encoder,
39 			    const struct intel_crtc_state *crtc_state,
40 			    const struct drm_connector_state *conn_state);
41 bool is_hdcp_supported(struct intel_display *display, enum port port);
42 void intel_hdcp_component_init(struct intel_display *display);
43 void intel_hdcp_component_fini(struct intel_display *display);
44 void intel_hdcp_cleanup(struct intel_connector *connector);
45 void intel_hdcp_handle_cp_irq(struct intel_connector *connector);
46 
47 void intel_hdcp_info(struct seq_file *m, struct intel_connector *connector);
48 void intel_hdcp_connector_debugfs_add(struct intel_connector *connector);
49 
50 #endif /* __INTEL_HDCP_H__ */
51