1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #ifndef __INTEL_HDCP_GSC_H__
7 #define __INTEL_HDCP_GSC_H__
8 
9 #include <linux/err.h>
10 #include <linux/types.h>
11 
12 struct drm_i915_private;
13 
14 struct intel_hdcp_gsc_message {
15 	struct i915_vma *vma;
16 	void *hdcp_cmd_in;
17 	void *hdcp_cmd_out;
18 };
19 
20 bool intel_hdcp_gsc_cs_required(struct drm_i915_private *i915);
21 ssize_t intel_hdcp_gsc_msg_send(struct drm_i915_private *i915, u8 *msg_in,
22 				size_t msg_in_len, u8 *msg_out,
23 				size_t msg_out_len);
24 int intel_hdcp_gsc_init(struct drm_i915_private *i915);
25 void intel_hdcp_gsc_fini(struct drm_i915_private *i915);
26 bool intel_hdcp_gsc_check_status(struct drm_i915_private *i915);
27 
28 #endif /* __INTEL_HDCP_GCS_H__ */
29