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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h new file mode 100644 index 000000000..bbbf7d0ef --- /dev/null +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h @@ -0,0 +1,90 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef AMDGPU_DM_AMDGPU_DM_HDCP_H_ +#define AMDGPU_DM_AMDGPU_DM_HDCP_H_ + +#include "mod_hdcp.h" +#include "hdcp.h" +#include "dc.h" +#include "dm_cp_psp.h" +#include "amdgpu.h" + +struct mod_hdcp; +struct mod_hdcp_link; +struct mod_hdcp_display; +struct cp_psp; + +struct hdcp_workqueue { + struct work_struct cpirq_work; + struct work_struct property_update_work; + struct delayed_work callback_dwork; + struct delayed_work watchdog_timer_dwork; + struct delayed_work property_validate_dwork; + struct amdgpu_dm_connector *aconnector; + struct mutex mutex; + + struct mod_hdcp hdcp; + struct mod_hdcp_output output; + struct mod_hdcp_display display; + struct mod_hdcp_link link; + + enum mod_hdcp_encryption_status encryption_status; + + /* when display is unplugged from mst hub, connctor will be + * destroyed within dm_dp_mst_connector_destroy. connector + * hdcp perperties, like type, undesired, desired, enabled, + * will be lost. So, save hdcp properties into hdcp_work within + * amdgpu_dm_atomic_commit_tail. if the same display is + * plugged back with same display index, its hdcp properties + * will be retrieved from hdcp_work within dm_dp_mst_get_modes + */ + /* un-desired, desired, enabled */ + unsigned int content_protection[AMDGPU_DM_MAX_DISPLAY_INDEX]; + /* hdcp1.x, hdcp2.x */ + unsigned int hdcp_content_type[AMDGPU_DM_MAX_DISPLAY_INDEX]; + + uint8_t max_link; + + uint8_t *srm; + uint8_t *srm_temp; + uint32_t srm_version; + uint32_t srm_size; + struct bin_attribute attr; +}; + +void hdcp_update_display(struct hdcp_workqueue *hdcp_work, + unsigned int link_index, + struct amdgpu_dm_connector *aconnector, + uint8_t content_type, + bool enable_encryption); + +void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index); +void hdcp_handle_cpirq(struct hdcp_workqueue *work, unsigned int link_index); +void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *work); + +struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct cp_psp *cp_psp, struct dc *dc); + +#endif /* AMDGPU_DM_AMDGPU_DM_HDCP_H_ */ |