1 /* $NetBSD: amdgpu_dm_hdcp.h,v 1.2 2021/12/18 23:45:00 riastradh Exp $ */ 2 3 /* 4 * Copyright 2019 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: AMD 25 * 26 */ 27 28 #ifndef AMDGPU_DM_AMDGPU_DM_HDCP_H_ 29 #define AMDGPU_DM_AMDGPU_DM_HDCP_H_ 30 31 #include "mod_hdcp.h" 32 #include "hdcp.h" 33 #include "dc.h" 34 #include "dm_cp_psp.h" 35 36 struct mod_hdcp; 37 struct mod_hdcp_link; 38 struct mod_hdcp_display; 39 struct cp_psp; 40 41 struct hdcp_workqueue { 42 struct work_struct cpirq_work; 43 struct work_struct property_update_work; 44 struct delayed_work callback_dwork; 45 struct delayed_work watchdog_timer_dwork; 46 struct delayed_work property_validate_dwork; 47 struct amdgpu_dm_connector *aconnector; 48 struct mutex mutex; 49 50 struct mod_hdcp hdcp; 51 struct mod_hdcp_output output; 52 struct mod_hdcp_display display; 53 struct mod_hdcp_link link; 54 55 enum mod_hdcp_encryption_status encryption_status; 56 uint8_t max_link; 57 }; 58 59 void hdcp_update_display(struct hdcp_workqueue *hdcp_work, 60 unsigned int link_index, 61 struct amdgpu_dm_connector *aconnector, 62 uint8_t content_type, 63 bool enable_encryption); 64 65 void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index); 66 void hdcp_handle_cpirq(struct hdcp_workqueue *work, unsigned int link_index); 67 void hdcp_destroy(struct hdcp_workqueue *work); 68 69 struct hdcp_workqueue *hdcp_create_workqueue(void *psp_context, struct cp_psp *cp_psp, struct dc *dc); 70 71 #endif /* AMDGPU_DM_AMDGPU_DM_HDCP_H_ */ 72