81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/** @file
|
|
Header file for discrete USB4 host router PCI routines.
|
|
|
|
@copyright
|
|
INTEL CONFIDENTIAL
|
|
Copyright 2021 Intel Corporation.
|
|
|
|
The source code contained or described herein and all documents related to the
|
|
source code ("Material") are owned by Intel Corporation or its suppliers or
|
|
licensors. Title to the Material remains with Intel Corporation or its suppliers
|
|
and licensors. The Material may contain trade secrets and proprietary and
|
|
confidential information of Intel Corporation and its suppliers and licensors,
|
|
and is protected by worldwide copyright and trade secret laws and treaty
|
|
provisions. No part of the Material may be used, copied, reproduced, modified,
|
|
published, uploaded, posted, transmitted, distributed, or disclosed in any way
|
|
without Intel's prior express written permission.
|
|
|
|
No license under any patent, copyright, trade secret or other intellectual
|
|
property right is granted to or conferred upon you by disclosure or delivery
|
|
of the Materials, either expressly, by implication, inducement, estoppel or
|
|
otherwise. Any license under such intellectual property rights must be
|
|
express and approved by Intel in writing.
|
|
|
|
Unless otherwise agreed by Intel in writing, you may not remove or alter
|
|
this notice or any other notice embedded in Materials by Intel or
|
|
Intel's suppliers or licensors in any way.
|
|
|
|
This file contains a 'Sample Driver' and is licensed as such under the terms
|
|
of your license agreement with Intel or your vendor. This file may be modified
|
|
by the user, subject to the additional terms of the license agreement.
|
|
|
|
@par Specification Reference:
|
|
**/
|
|
|
|
#ifndef _USB4_DHR_PCI_H_
|
|
#define _USB4_DHR_PCI_H_
|
|
|
|
#include <Usb4HrInst.h>
|
|
|
|
/**
|
|
Initialize PCI configuration space of discrete USB4 host router.
|
|
|
|
@param[in] Usb4HrInst - Pointer to USB4 host router instance.
|
|
|
|
@retval EFI_SUCCESS - PCI initialization success.
|
|
@retval EFI_INVALID_PARAMETER - Invalid parameter.
|
|
@retval EFI_NOT_FOUND - Device is not present.
|
|
@retval EFI_UNSUPPORTED - Can't initialize PCI configuration space of USB4 host router.
|
|
**/
|
|
EFI_STATUS
|
|
Dusb4HrPciInit (
|
|
IN USB4_HR_INSTANCE *Usb4HrInst
|
|
);
|
|
|
|
/**
|
|
Un-Initialize PCI configuration space of discrete USB4 host router.
|
|
|
|
@param[in] Usb4HrInst - Pointer to USB4 host router instance.
|
|
**/
|
|
VOID
|
|
Dusb4HrPciUnInit (
|
|
IN USB4_HR_INSTANCE *Usb4HrInst
|
|
);
|
|
|
|
/**
|
|
Query PCI information of discrete USB4 host router.
|
|
This function should be called after PCI enumeration.
|
|
|
|
@param[in, out] Usb4Hr - Pointer to USB4 host router instance.
|
|
|
|
@retval EFI_SUCCESS - Query PCI information successfully.
|
|
@retval EFI_NOT_FOUND - Discrete USB4 host router is not found.
|
|
@retval EFI_UNSUPPORTED - Fail to query PCI information.
|
|
@retval EFI_INVALID_PARAMETER - Invalid parameter.
|
|
**/
|
|
EFI_STATUS
|
|
Dusb4HrPciQuery (
|
|
IN OUT USB4_HR_INSTANCE *Usb4Hr
|
|
);
|
|
#endif
|