mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 15:36:45 +07:00
83d2bdb6a0
The #include has been splattered all over the place, but there are precious few places, all .c files, that actually need it. v2: remove leftover double newlines Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200225133131.3301-1-jani.nikula@intel.com
185 lines
5.8 KiB
C
185 lines
5.8 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+) */
|
|
/*
|
|
* Copyright © 2017-2019 Intel Corporation
|
|
*
|
|
* Authors:
|
|
* Ramalingam C <ramalingam.c@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
|
|
};
|
|
|
|
enum mei_fw_ddi {
|
|
MEI_DDI_INVALID_PORT = 0x0,
|
|
|
|
MEI_DDI_B = 1,
|
|
MEI_DDI_C,
|
|
MEI_DDI_D,
|
|
MEI_DDI_E,
|
|
MEI_DDI_F,
|
|
MEI_DDI_A = 7,
|
|
MEI_DDI_RANGE_END = MEI_DDI_A,
|
|
};
|
|
|
|
/**
|
|
* enum mei_fw_tc - ME Firmware defined index for transcoders
|
|
* @MEI_INVALID_TRANSCODER: Index for Invalid transcoder
|
|
* @MEI_TRANSCODER_EDP: Index for EDP Transcoder
|
|
* @MEI_TRANSCODER_DSI0: Index for DSI0 Transcoder
|
|
* @MEI_TRANSCODER_DSI1: Index for DSI1 Transcoder
|
|
* @MEI_TRANSCODER_A: Index for Transcoder A
|
|
* @MEI_TRANSCODER_B: Index for Transcoder B
|
|
* @MEI_TRANSCODER_C: Index for Transcoder C
|
|
* @MEI_TRANSCODER_D: Index for Transcoder D
|
|
*/
|
|
enum mei_fw_tc {
|
|
MEI_INVALID_TRANSCODER = 0x00,
|
|
MEI_TRANSCODER_EDP,
|
|
MEI_TRANSCODER_DSI0,
|
|
MEI_TRANSCODER_DSI1,
|
|
MEI_TRANSCODER_A = 0x10,
|
|
MEI_TRANSCODER_B,
|
|
MEI_TRANSCODER_C,
|
|
MEI_TRANSCODER_D
|
|
};
|
|
|
|
/**
|
|
* struct hdcp_port_data - intel specific HDCP port data
|
|
* @fw_ddi: ddi index as per ME FW
|
|
* @fw_tc: transcoder index as per ME FW
|
|
* @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 {
|
|
enum mei_fw_ddi fw_ddi;
|
|
enum mei_fw_tc fw_tc;
|
|
u8 port_type;
|
|
u8 protocol;
|
|
u16 k;
|
|
u32 seq_num_m;
|
|
struct hdcp2_streamid_type *streams;
|
|
};
|
|
|
|
/**
|
|
* struct i915_hdcp_component_ops- ops for HDCP2.2 services.
|
|
* @owner: Module providing the ops
|
|
* @initiate_hdcp2_session: Initiate a Wired HDCP2.2 Tx Session.
|
|
* And Prepare AKE_Init.
|
|
* @verify_receiver_cert_prepare_km: Verify the Receiver Certificate
|
|
* AKE_Send_Cert and prepare
|
|
AKE_Stored_Km/AKE_No_Stored_Km
|
|
* @verify_hprime: Verify AKE_Send_H_prime
|
|
* @store_pairing_info: Store pairing info received
|
|
* @initiate_locality_check: Prepare LC_Init
|
|
* @verify_lprime: Verify lprime
|
|
* @get_session_key: Prepare SKE_Send_Eks
|
|
* @repeater_check_flow_prepare_ack: Validate the Downstream topology
|
|
* and prepare rep_ack
|
|
* @verify_mprime: Verify mprime
|
|
* @enable_hdcp_authentication: Mark a port as authenticated.
|
|
* @close_hdcp_session: Close the Wired HDCP Tx session per port.
|
|
* This also disables the authenticated state of the port.
|
|
*/
|
|
struct i915_hdcp_component_ops {
|
|
/**
|
|
* @owner: mei_hdcp module
|
|
*/
|
|
struct module *owner;
|
|
|
|
int (*initiate_hdcp2_session)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_ake_init *ake_data);
|
|
int (*verify_receiver_cert_prepare_km)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_ake_send_cert
|
|
*rx_cert,
|
|
bool *km_stored,
|
|
struct hdcp2_ake_no_stored_km
|
|
*ek_pub_km,
|
|
size_t *msg_sz);
|
|
int (*verify_hprime)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_ake_send_hprime *rx_hprime);
|
|
int (*store_pairing_info)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_ake_send_pairing_info
|
|
*pairing_info);
|
|
int (*initiate_locality_check)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_lc_init *lc_init_data);
|
|
int (*verify_lprime)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_lc_send_lprime *rx_lprime);
|
|
int (*get_session_key)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_ske_send_eks *ske_data);
|
|
int (*repeater_check_flow_prepare_ack)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_rep_send_receiverid_list
|
|
*rep_topology,
|
|
struct hdcp2_rep_send_ack
|
|
*rep_send_ack);
|
|
int (*verify_mprime)(struct device *dev,
|
|
struct hdcp_port_data *data,
|
|
struct hdcp2_rep_stream_ready *stream_ready);
|
|
int (*enable_hdcp_authentication)(struct device *dev,
|
|
struct hdcp_port_data *data);
|
|
int (*close_hdcp_session)(struct device *dev,
|
|
struct hdcp_port_data *data);
|
|
};
|
|
|
|
/**
|
|
* struct i915_hdcp_component_master - Used for communication between i915
|
|
* and mei_hdcp drivers for the HDCP2.2 services
|
|
* @mei_dev: device that provide the HDCP2.2 service from MEI Bus.
|
|
* @hdcp_ops: Ops implemented by mei_hdcp driver, used by i915 driver.
|
|
*/
|
|
struct i915_hdcp_comp_master {
|
|
struct device *mei_dev;
|
|
const struct i915_hdcp_component_ops *ops;
|
|
|
|
/* To protect the above members. */
|
|
struct mutex mutex;
|
|
};
|
|
|
|
#endif /* _I915_MEI_HDCP_INTERFACE_H_ */
|