From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- Documentation/driver-api/mei/hdcp.rst | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/driver-api/mei/hdcp.rst (limited to 'Documentation/driver-api/mei/hdcp.rst') diff --git a/Documentation/driver-api/mei/hdcp.rst b/Documentation/driver-api/mei/hdcp.rst new file mode 100644 index 000000000..e85a065b1 --- /dev/null +++ b/Documentation/driver-api/mei/hdcp.rst @@ -0,0 +1,32 @@ +.. SPDX-License-Identifier: GPL-2.0 + +HDCP: +===== + +ME FW as a security engine provides the capability for setting up +HDCP2.2 protocol negotiation between the Intel graphics device and +an HDC2.2 sink. + +ME FW prepares HDCP2.2 negotiation parameters, signs and encrypts them +according the HDCP 2.2 spec. The Intel graphics sends the created blob +to the HDCP2.2 sink. + +Similarly, the HDCP2.2 sink's response is transferred to ME FW +for decryption and verification. + +Once all the steps of HDCP2.2 negotiation are completed, +upon request ME FW will configure the port as authenticated and supply +the HDCP encryption keys to Intel graphics hardware. + + +mei_hdcp driver +--------------- +.. kernel-doc:: drivers/misc/mei/hdcp/mei_hdcp.c + :doc: MEI_HDCP Client Driver + +mei_hdcp api +------------ + +.. kernel-doc:: drivers/misc/mei/hdcp/mei_hdcp.c + :functions: + -- cgit v1.2.3