Vlv2TbltDevicePkg/Wpce791/LpcDriver.h

   1 /*++
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11     LpcDriver.h
  12
  13 Abstract:
  14
  15     EFI Lpc Driver for a Generic PC Platform
  16
  17
  18
  19 --*/
  20
  21 #ifndef _LPC_DRIVER_H
  22 #define _LPC_DRIVER_H
  23
  24  #include "LpcSio.h"
  25  #include "LpcIsaAcpi.h"
  26
  27 #include "Protocol/IsaAcpi.h"
  28 #include "Protocol/PciIo.h"
  29 #include "Protocol/DriverBinding.h"
  30 #include "Library/UefiBootServicesTableLib.h"
  31 #include "IsaAcpiDxe/PcatIsaAcpi.h"
  32 #include "IndustryStandard/Pci22.h"
  33 #include "Protocol/LpcWpce791Policy.h"
  34
  35 #include <Library/DebugLib.h>
  36
  37 #define ICH_LPC_BRIDGE_BUS_DEV_FUNC 0x1F0000
  38
  39 //
  40 // LPC device private data structure
  41 //
  42 //#define LPC_DEV_SIGNATURE 'W87X'
  43 #define LPC_DEV_SIGNATURE SIGNATURE_32('X', '7', '8', 'W') //'W87X'
  44 #define EFI_WPCE791_PS2_KEYBOARD_ENABLE       0x01
  45 #define EFI_WPCE791_PS2_KEYBOARD_DISABLE      0x00
  46
  47 #define EFI_WPCE791_PS2_MOUSE_ENABLE       0x01
  48 #define EFI_WPCE791_PS2_MOUSE_DISABLE      0x00
  49
  50
  51
  52 typedef struct {
  53   UINTN                 Signature;
  54   EFI_HANDLE            Handle;
  55   EFI_ISA_ACPI_PROTOCOL IsaAcpi;
  56   EFI_PCI_IO_PROTOCOL   *PciIo;
  57
  58 } LPC_DEV;
  59
  60 #define LPC_ISA_ACPI_FROM_THIS(a) BASE_CR (a, LPC_DEV, IsaAcpi)
  61
  62 //
  63 // Driver entry point
  64 //
  65 EFI_STATUS
  66 EFIAPI
  67 LpcDriverEntryPoint (
  68   IN EFI_HANDLE           ImageHandle,
  69   IN EFI_SYSTEM_TABLE     *SystemTable
  70   );
  71
  72 //
  73 // Prototypes for Driver model protocol interface
  74 //
  75 EFI_STATUS
  76 EFIAPI
  77 LpcDriverSupported (
  78   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
  79   IN EFI_HANDLE                     Controller,
  80   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
  81   );
  82
  83 EFI_STATUS
  84 EFIAPI
  85 LpcDriverStart (
  86   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
  87   IN EFI_HANDLE                     Controller,
  88   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
  89   );
  90
  91 EFI_STATUS
  92 EFIAPI
  93 LpcDriverStop (
  94   IN  EFI_DRIVER_BINDING_PROTOCOL    *This,
  95   IN  EFI_HANDLE                     Controller,
  96   IN  UINTN                          NumberOfChildren,
  97   IN  EFI_HANDLE                     *ChildHandleBuffer
  98   );
  99
 100 VOID
 101 LpcIoRead8 (
 102   IN  UINT16  Port,
 103   OUT UINT8   *Data
 104   );
 105
 106 VOID
 107 LpcIoWrite8 (
 108   IN  UINT16  Port,
 109   IN  UINT8   Data
 110   );
 111
 112 #endif