Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
34struct mod_hdcp;
35struct mod_hdcp_link;
36struct mod_hdcp_display;
37struct cp_psp;
38
39struct 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
57void 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
63void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index);
64void hdcp_handle_cpirq(struct hdcp_workqueue *work, unsigned int link_index);
65void hdcp_destroy(struct hdcp_workqueue *work);
66
67struct 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_ */