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/** @file
EFI Lpc Driver for a Generic PC Platform.
Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _LPC_DRIVER_H
#define _LPC_DRIVER_H
#include "LpcSio.h"
#include "LpcIsaAcpi.h"
#include "Protocol/IsaAcpi.h"
#include "Protocol/PciIo.h"
#include "Protocol/DriverBinding.h"
#include "Library/UefiBootServicesTableLib.h"
#include "IsaAcpiDxe/PcatIsaAcpi.h"
#include "IndustryStandard/Pci22.h"
#include "Protocol/LpcWpce791Policy.h"
#include <PchRegs.h>
#include <PlatformBaseAddresses.h>
#include <Library/IoLib.h>
#include <Library/DebugLib.h>
#define ICH_LPC_BRIDGE_BUS_DEV_FUNC 0x1F0000
//
// LPC device private data structure
//
#define LPC_DEV_SIGNATURE SIGNATURE_32('X', '7', '8', 'W') //'W87X'
#define EFI_WPCE791_PS2_KEYBOARD_ENABLE 0x01
#define EFI_WPCE791_PS2_KEYBOARD_DISABLE 0x00
#define EFI_WPCE791_PS2_MOUSE_ENABLE 0x01
#define EFI_WPCE791_PS2_MOUSE_DISABLE 0x00
#define PCI_IDX 0xCF8
#define PCI_DAT 0xCFC
#define PCI_LPC_BASE (0x8000F800)
#define PCI_LPC_REG(x) (PCI_LPC_BASE + (x))
#define V_PCH_ILB_IRQE_UARTIRQEN_IRQ4 BIT4 // UART IRQ4 Enable
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_ISA_ACPI_PROTOCOL IsaAcpi;
EFI_PCI_IO_PROTOCOL *PciIo;
} LPC_DEV;
#define LPC_ISA_ACPI_FROM_THIS(a) BASE_CR (a, LPC_DEV, IsaAcpi)
//
// Driver entry point
//
EFI_STATUS
EFIAPI
LpcDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
//
// Prototypes for Driver model protocol interface
//
EFI_STATUS
EFIAPI
LpcDriverSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
LpcDriverStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
LpcDriverStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
VOID
LpcIoRead8 (
IN UINT16 Port,
OUT UINT8 *Data
);
VOID
LpcIoWrite8 (
IN UINT16 Port,
IN UINT8 Data
);
VOID
EnableInternalUartDevice (
VOID
);
#endif
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