Vlv2TbltDevicePkg/Wpce791/LpcDriver.h

   1 /*++
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13
  14 Module Name:
  15
  16     LpcDriver.h
  17
  18 Abstract:
  19
  20     EFI Lpc Driver for a Generic PC Platform
  21
  22
  23
  24 --*/
  25
  26 #ifndef _LPC_DRIVER_H
  27 #define _LPC_DRIVER_H
  28
  29  #include "LpcSio.h"
  30  #include "LpcIsaAcpi.h"
  31
  32 #include "Protocol/IsaAcpi.h"
  33 #include "Protocol/PciIo.h"
  34 #include "Protocol/DriverBinding.h"
  35 #include "Library/UefiBootServicesTableLib.h"
  36 #include "IsaAcpiDxe/PcatIsaAcpi.h"
  37 #include "IndustryStandard/Pci22.h"
  38 #include "Protocol/LpcWpce791Policy.h"
  39
  40 #include <Library/DebugLib.h>
  41
  42 #define ICH_LPC_BRIDGE_BUS_DEV_FUNC 0x1F0000
  43
  44 //
  45 // LPC device private data structure
  46 //
  47 //#define LPC_DEV_SIGNATURE 'W87X'
  48 #define LPC_DEV_SIGNATURE SIGNATURE_32('X', '7', '8', 'W') //'W87X'
  49 #define EFI_WPCE791_PS2_KEYBOARD_ENABLE       0x01
  50 #define EFI_WPCE791_PS2_KEYBOARD_DISABLE      0x00
  51
  52 #define EFI_WPCE791_PS2_MOUSE_ENABLE       0x01
  53 #define EFI_WPCE791_PS2_MOUSE_DISABLE      0x00
  54
  55
  56
  57 typedef struct {
  58   UINTN                 Signature;
  59   EFI_HANDLE            Handle;
  60   EFI_ISA_ACPI_PROTOCOL IsaAcpi;
  61   EFI_PCI_IO_PROTOCOL   *PciIo;
  62
  63 } LPC_DEV;
  64
  65 #define LPC_ISA_ACPI_FROM_THIS(a) BASE_CR (a, LPC_DEV, IsaAcpi)
  66
  67 //
  68 // Driver entry point
  69 //
  70 EFI_STATUS
  71 EFIAPI
  72 LpcDriverEntryPoint (
  73   IN EFI_HANDLE           ImageHandle,
  74   IN EFI_SYSTEM_TABLE     *SystemTable
  75   );
  76
  77 //
  78 // Prototypes for Driver model protocol interface
  79 //
  80 EFI_STATUS
  81 EFIAPI
  82 LpcDriverSupported (
  83   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
  84   IN EFI_HANDLE                     Controller,
  85   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
  86   );
  87
  88 EFI_STATUS
  89 EFIAPI
  90 LpcDriverStart (
  91   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
  92   IN EFI_HANDLE                     Controller,
  93   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
  94   );
  95
  96 EFI_STATUS
  97 EFIAPI
  98 LpcDriverStop (
  99   IN  EFI_DRIVER_BINDING_PROTOCOL    *This,
 100   IN  EFI_HANDLE                     Controller,
 101   IN  UINTN                          NumberOfChildren,
 102   IN  EFI_HANDLE                     *ChildHandleBuffer
 103   );
 104
 105 VOID
 106 LpcIoRead8 (
 107   IN  UINT16  Port,
 108   OUT UINT8   *Data
 109   );
 110
 111 VOID
 112 LpcIoWrite8 (
 113   IN  UINT16  Port,
 114   IN  UINT8   Data
 115   );
 116
 117 #endif