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      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