>
> Header defines the interface for the I915 and MEI_HDCP drivers.
> This interface is specific to the usage of mei_hdcp from gen9+ platforms for
> ME FW based HDCP2.2 services.
>
> And Generic HDCP2.2 protocol specific definitions are added at
> drm/drm_hdcp.h.
>
> v2:
> Commit msg is enhanced [Daniel]
> v3:
> i915_hdcp_comp_master is defined.
>
> Signed-off-by: Ramalingam C <ramalinga...@intel.com>
> Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> Reviewed-by: Uma Shankar <uma.shan...@intel.com>
> ---
> include/drm/i915_mei_hdcp_interface.h | 148
> ++++++++++++++++++++++++++++++++++
> 1 file changed, 148 insertions(+)
> create mode 100644 include/drm/i915_mei_hdcp_interface.h
>
> diff --git a/include/drm/i915_mei_hdcp_interface.h
> b/include/drm/i915_mei_hdcp_interface.h
> new file mode 100644
> index 000000000000..bc5b0c71ed3c
> --- /dev/null
> +++ b/include/drm/i915_mei_hdcp_interface.h
> @@ -0,0 +1,148 @@
> +/* SPDX-License-Identifier: (GPL-2.0+) */
> +/*
> + * Copyright © 2017-2018 Intel Corporation
> + *
> + * Authors:
> + * Ramalingam C <ramalinga...@intel.com> */
> +
> +#ifndef _I915_MEI_HDCP_INTERFACE_H_
> +#define _I915_MEI_HDCP_INTERFACE_H_
> +
> +#include <linux/mutex.h>
> +#include <linux/device.h>
> +#include <drm/drm_hdcp.h>
> +
> +/**
> + * enum hdcp_port_type - HDCP port implementation type defined by ME FW
> + * @HDCP_PORT_TYPE_INVALID: Invalid hdcp port type
> + * @HDCP_PORT_TYPE_INTEGRATED: In-Host HDCP2.x port
> + * @HDCP_PORT_TYPE_LSPCON: HDCP2.2 discrete wired Tx port with LSPCON
> + * (HDMI 2.0) solution
> + * @HDCP_PORT_TYPE_CPDP: HDCP2.2 discrete wired Tx port using the CPDP
> (DP 1.3)
> + * solution
> + */
> +enum hdcp_port_type {
> + HDCP_PORT_TYPE_INVALID,
> + HDCP_PORT_TYPE_INTEGRATED,
> + HDCP_PORT_TYPE_LSPCON,
> + HDCP_PORT_TYPE_CPDP
> +};
> +
> +/**
> + * enum hdcp_wired_protocol - HDCP adaptation used on the port
> + * @HDCP_PROTOCOL_INVALID: Invalid HDCP adaptation protocol
> + * @HDCP_PROTOCOL_HDMI: HDMI adaptation of HDCP used on the port
> + * @HDCP_PROTOCOL_DP: DP adaptation of HDCP used on the port */ enum
> +hdcp_wired_protocol {
> + HDCP_PROTOCOL_INVALID,
> + HDCP_PROTOCOL_HDMI,
> + HDCP_PROTOCOL_DP
> +};
> +
> +/**
> + * struct hdcp_port_data - intel specific HDCP port data
> + * @port: port index as per I915
> + * @port_type: HDCP port type as per ME FW classification
> + * @protocol: HDCP adaptation as per ME FW
> + * @k: No of streams transmitted on a port. Only on DP MST this is != 1
> + * @seq_num_m: Count of RepeaterAuth_Stream_Manage msg propagated.
> + * Initialized to 0 on AKE_INIT. Incremented after every successful
> + * transmission of RepeaterAuth_Stream_Manage message. When it
> rolls
> + * over re-Auth has to be triggered.
> + * @streams: struct hdcp2_streamid_type[k]. Defines the type and id for the
> + * streams
> + */
> +struct hdcp_port_data {
> + short int port;
I wonder why 'short int' u are assigning it from the encoder 'enum port {} '
Then you down casting it to u8.
Maybe is best to export the eum port from intel_drv.h to include/drm/i915_*.h
Thanks
Tomas
> --
> 2.7.4
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