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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/driver-api/mei/hdcp.rst | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/driver-api/mei/hdcp.rst')
| -rw-r--r-- | Documentation/driver-api/mei/hdcp.rst | 32 |
1 files changed, 32 insertions, 0 deletions
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: + |