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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>
63 lines
1.5 KiB
C
63 lines
1.5 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_KB_LIB_H__
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#define __USB_KB_LIB_H__
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/**
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The function will initialize USB keyboard device.
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Based on UsbHcPciBase, this function will initialize USB host controller, allocate
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necessary resources, and enumarate all 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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InitUsbKeyBoard (
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IN UINTN UsbHcPciBase
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);
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/**
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Polls a keyboard to see if there is any data waiting to be read.
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@retval TRUE Data is waiting to be read from the device.
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@retval FALSE There is no data waiting to be read from the device.
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**/
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BOOLEAN
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EFIAPI
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KeyboardPoll (
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VOID
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);
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/**
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Reads data from a USB keyboard into a buffer.
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This function will wait till specified number of bytes are filled.
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@param Buffer Pointer to the data buffer to store the data read from the device.
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@param NumberOfBytes Number of bytes to read from the device.
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@retval The number of bytes read from the device.
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**/
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UINTN
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EFIAPI
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KeyboardRead (
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OUT UINT8 *Buffer,
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IN UINTN NumberOfBytes
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);
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#endif
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