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 | #include "amdgpu.h" |
34 | |
35 | struct mod_hdcp; |
36 | struct mod_hdcp_link; |
37 | struct mod_hdcp_display; |
38 | struct cp_psp; |
39 | |
40 | struct hdcp_workqueue { |
41 | struct work_struct cpirq_work; |
42 | struct work_struct property_update_work; |
43 | struct delayed_work callback_dwork; |
44 | struct delayed_work watchdog_timer_dwork; |
45 | struct delayed_work property_validate_dwork; |
46 | struct amdgpu_dm_connector *aconnector[AMDGPU_DM_MAX_DISPLAY_INDEX]; |
47 | struct mutex mutex; |
48 | |
49 | struct mod_hdcp hdcp; |
50 | struct mod_hdcp_output output; |
51 | struct mod_hdcp_display display; |
52 | struct mod_hdcp_link link; |
53 | |
54 | enum mod_hdcp_encryption_status encryption_status[AMDGPU_DM_MAX_DISPLAY_INDEX]; |
55 | /* when display is unplugged from mst hub, connctor will be |
56 | * destroyed within dm_dp_mst_connector_destroy. connector |
57 | * hdcp perperties, like type, undesired, desired, enabled, |
58 | * will be lost. So, save hdcp properties into hdcp_work within |
59 | * amdgpu_dm_atomic_commit_tail. if the same display is |
60 | * plugged back with same display index, its hdcp properties |
61 | * will be retrieved from hdcp_work within dm_dp_mst_get_modes |
62 | */ |
63 | /* un-desired, desired, enabled */ |
64 | unsigned int content_protection[AMDGPU_DM_MAX_DISPLAY_INDEX]; |
65 | /* hdcp1.x, hdcp2.x */ |
66 | unsigned int hdcp_content_type[AMDGPU_DM_MAX_DISPLAY_INDEX]; |
67 | |
68 | uint8_t max_link; |
69 | |
70 | uint8_t *srm; |
71 | uint8_t *srm_temp; |
72 | uint32_t srm_version; |
73 | uint32_t srm_size; |
74 | struct bin_attribute attr; |
75 | }; |
76 | |
77 | void hdcp_update_display(struct hdcp_workqueue *hdcp_work, |
78 | unsigned int link_index, |
79 | struct amdgpu_dm_connector *aconnector, |
80 | uint8_t content_type, |
81 | bool enable_encryption); |
82 | |
83 | void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index); |
84 | void hdcp_handle_cpirq(struct hdcp_workqueue *work, unsigned int link_index); |
85 | void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *work); |
86 | |
87 | struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct cp_psp *cp_psp, struct dc *dc); |
88 | |
89 | #endif /* AMDGPU_DM_AMDGPU_DM_HDCP_H_ */ |
90 | |