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| author | Tomas Winkler | 2019-06-03 11:14:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-06-06 15:16:00 +0200 |
| commit | 0475afd2a5dee99defdb7b030c09ba202ea3c64a (patch) | |
| tree | b9bae553fb299877d70d0d141b50093d64e14a6d /Documentation/driver-api | |
| parent | mei: docs: add a short description for nfc behind mei (diff) | |
| download | kernel-qcow2-linux-0475afd2a5dee99defdb7b030c09ba202ea3c64a.tar.gz kernel-qcow2-linux-0475afd2a5dee99defdb7b030c09ba202ea3c64a.tar.xz kernel-qcow2-linux-0475afd2a5dee99defdb7b030c09ba202ea3c64a.zip | |
mei: docs: add hdcp documentation
1. Add a short ducumentation for MEI HDCP driver,
and fix DOC comments in drivers/misc/mei/hdcp/mei_hdcp.c
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/mei/hdcp.rst | 32 | ||||
| -rw-r--r-- | Documentation/driver-api/mei/mei-client-bus.rst | 1 |
2 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/driver-api/mei/hdcp.rst b/Documentation/driver-api/mei/hdcp.rst new file mode 100644 index 000000000000..e85a065b1cdc --- /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: + diff --git a/Documentation/driver-api/mei/mei-client-bus.rst b/Documentation/driver-api/mei/mei-client-bus.rst index bfe28ebc3ca8..f242b3f8d6aa 100644 --- a/Documentation/driver-api/mei/mei-client-bus.rst +++ b/Documentation/driver-api/mei/mei-client-bus.rst @@ -164,4 +164,5 @@ MEI Client Bus Drivers .. toctree:: :maxdepth: 2 + hdcp nfc |