/** @file
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Header file for the Ps2 keyboard controller library.
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Copyright (c) 2019 - 2020, 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 _PS2_KBC_LIB_H_
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#define _PS2_KBC_LIB_H_
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#include <Uefi.h>
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#include <Library/UefiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Library/TimerLib.h>
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#include <Library/UefiBootManagerLib.h>
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//
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// Below is the platform console device path
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//
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typedef struct {
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ACPI_HID_DEVICE_PATH PciRootBridge;
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PCI_DEVICE_PATH IsaBridge;
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ACPI_HID_DEVICE_PATH Keyboard;
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EFI_DEVICE_PATH_PROTOCOL End;
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} PLATFORM_KEYBOARD_DEVICE_PATH;
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typedef struct {
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UINT8 Segment;
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UINT8 Bus;
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UINT8 Device;
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UINT8 Funtion;
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} SIO_PCI_ISA_BRIDGE_DEVICE_INFO;
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#define gPciRootBridge \
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{ \
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{ \
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ACPI_DEVICE_PATH, \
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ACPI_DP, \
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{ \
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(UINT8) (sizeof (ACPI_HID_DEVICE_PATH)), \
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(UINT8) ((sizeof (ACPI_HID_DEVICE_PATH)) >> 8) \
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}, \
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}, \
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EISA_PNP_ID (0x0A03), \
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0 \
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}
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#define gEndEntire \
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{ \
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END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { END_DEVICE_PATH_LENGTH, 0 } \
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}
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#define KBC_INPBUF_VIA60_KBECHO 0xEE
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#define KEYBOARD_8042_DATA_REGISTER 0x60
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#define KEYBOARD_8042_STATUS_REGISTER 0x64
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#define PS2_KEYBOARD_TIMEOUT 65536 // 0.07s
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#define PS2_KEYBOARD_WAITFORVALUE_TIMEOUT 1000000 // 1s
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#define PS2_KEYBOARD_KBEN 0xF4
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#define PS2_KEYBOARD_CMDECHO_ACK 0xFA
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#endif
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