1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef AMDGPU_DM_AMDGPU_DM_HDCP_H_
27 #define AMDGPU_DM_AMDGPU_DM_HDCP_H_
28 
29 #include "mod_hdcp.h"
30 #include "hdcp.h"
31 #include "dc.h"
32 #include "dm_cp_psp.h"
33 
34 struct mod_hdcp;
35 struct mod_hdcp_link;
36 struct mod_hdcp_display;
37 struct cp_psp;
38 
39 struct hdcp_workqueue {
40 	struct work_struct cpirq_work;
41 	struct work_struct property_update_work;
42 	struct delayed_work callback_dwork;
43 	struct delayed_work watchdog_timer_dwork;
44 	struct delayed_work property_validate_dwork;
45 	struct amdgpu_dm_connector *aconnector;
46 	struct mutex mutex;
47 
48 	struct mod_hdcp hdcp;
49 	struct mod_hdcp_output output;
50 	struct mod_hdcp_display display;
51 	struct mod_hdcp_link link;
52 
53 	enum mod_hdcp_encryption_status encryption_status;
54 	uint8_t max_link;
55 };
56 
57 void hdcp_update_display(struct hdcp_workqueue *hdcp_work,
58 			 unsigned int link_index,
59 			 struct amdgpu_dm_connector *aconnector,
60 			 uint8_t content_type,
61 			 bool enable_encryption);
62 
63 void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index);
64 void hdcp_handle_cpirq(struct hdcp_workqueue *work, unsigned int link_index);
65 void hdcp_destroy(struct hdcp_workqueue *work);
66 
67 struct hdcp_workqueue *hdcp_create_workqueue(void *psp_context, struct cp_psp *cp_psp, struct dc *dc);
68 
69 #endif /* AMDGPU_DM_AMDGPU_DM_HDCP_H_ */
70