1.. SPDX-License-Identifier: GPL-2.0 2 3HDCP: 4===== 5 6ME FW as a security engine provides the capability for setting up 7HDCP2.2 protocol negotiation between the Intel graphics device and 8an HDC2.2 sink. 9 10ME FW prepares HDCP2.2 negotiation parameters, signs and encrypts them 11according the HDCP 2.2 spec. The Intel graphics sends the created blob 12to the HDCP2.2 sink. 13 14Similarly, the HDCP2.2 sink's response is transferred to ME FW 15for decryption and verification. 16 17Once all the steps of HDCP2.2 negotiation are completed, 18upon request ME FW will configure the port as authenticated and supply 19the HDCP encryption keys to Intel graphics hardware. 20 21 22mei_hdcp driver 23--------------- 24.. kernel-doc:: drivers/misc/mei/hdcp/mei_hdcp.c 25 :doc: MEI_HDCP Client Driver 26 27mei_hdcp api 28------------ 29 30.. kernel-doc:: drivers/misc/mei/hdcp/mei_hdcp.c 31 :functions: 32 33