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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h
parentInitial commit. (diff)
downloadlinux-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.h90
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
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+++ 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_ */