LXR linux/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm

   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_ */
  77