cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

amdgpu_dm_hdcp.h (2567B)

      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
     35struct mod_hdcp;
     36struct mod_hdcp_link;
     37struct mod_hdcp_display;
     38struct cp_psp;
     39
     40struct 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;
     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;
     55	uint8_t max_link;
     56
     57	uint8_t *srm;
     58	uint8_t *srm_temp;
     59	uint32_t srm_version;
     60	uint32_t srm_size;
     61	struct bin_attribute attr;
     62};
     63
     64void hdcp_update_display(struct hdcp_workqueue *hdcp_work,
     65			 unsigned int link_index,
     66			 struct amdgpu_dm_connector *aconnector,
     67			 uint8_t content_type,
     68			 bool enable_encryption);
     69
     70void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index);
     71void hdcp_handle_cpirq(struct hdcp_workqueue *work, unsigned int link_index);
     72void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *work);
     73
     74struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct cp_psp *cp_psp, struct dc *dc);
     75
     76#endif /* AMDGPU_DM_AMDGPU_DM_HDCP_H_ */