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Aiden Park
b24fd2759c
This will fully support PatchCheck.py. - Remove all trailing whitespace - Convert LF to CRLF by default - Update EFI_D_* to DEBUG_* - Re-enable CRLF check in PatchCheck.py Signed-off-by: Aiden Park <aiden.park@intel.com>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/** @file
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Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __USB_INIT_LIB_H__
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#define __USB_INIT_LIB_H__
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#include <Ppi/UsbIo.h>
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/**
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The function will initialize USB device on bus.
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Based on UsbHcPciBase, this function will initialize USB host controller, allocate
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necessary resources, and enumarate all devcies on the USB bus.
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@param[in] UsbHcPciBase USB Host Controller's PCI ConfigSpace Base address
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@retval EFI_SUCCESS The driver is successfully initialized.
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@retval EFI_NOT_FOUND Can't find any USB block devices for boot.
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**/
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EFI_STATUS
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EFIAPI
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InitUsbDevices (
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IN UINTN UsbHcPciBase
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);
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/**
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The function will return USB device array.
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@param[in, out] UsbIoArray Address to receive USB I/O instance array.
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@param[in, out] UsbIoCount Address to receive USB I/O device count.
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@retval EFI_SUCCESS USB I/O instancs are returned successfully.
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@retval EFI_NOT_AVAILABLE_YET USB bus has not been enumerated yet.
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**/
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EFI_STATUS
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EFIAPI
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GetUsbDevices (
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IN OUT PEI_USB_IO_PPI **UsbIoArray,
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IN OUT UINT32 *UsbIoCount
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);
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/**
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The function will de-initialize USB device.
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For USB system, it is required to do de-initialization at the end of
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the boot stage so that the host controller will stop transactions.
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@retval EFI_SUCCESS The driver is successfully deinitialized.
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@retval EFI_NOT_FOUND Can't find any USB block devices for boot.
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**/
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EFI_STATUS
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EFIAPI
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DeinitUsbDevices (
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VOID
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);
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#endif
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