added 20ms stall to wait for slave device ready when identify some type of Seagate...

[mirror_edk2.git] / EdkModulePkg / Bus / Pci / PciBus / Dxe / PciCommand.h

/*++\r
\r
Copyright (c) 2006, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
Module Name:\r
  \r
    PciCommand.h\r
  \r
Abstract:\r
\r
  PCI Bus Driver\r
\r
Revision History\r
\r
--*/\r
\r
#ifndef _EFI_PCI_COMMAND_H\r
#define _EFI_PCI_COMMAND_H\r
\r
#define EFI_GET_REGISTER      1\r
#define EFI_SET_REGISTER      2\r
#define EFI_ENABLE_REGISTER   3\r
#define EFI_DISABLE_REGISTER  4\r
\r
EFI_STATUS\r
PciOperateRegister (\r
  IN  PCI_IO_DEVICE *PciIoDevice,\r
  IN  UINT16        Command,\r
  IN  UINT8         Offset,\r
  IN  UINT8         Operation,\r
  OUT UINT16        *PtrCommand\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  TODO: Add function description\r
\r
Arguments:\r
\r
  PciIoDevice - TODO: add argument description\r
  Command     - TODO: add argument description\r
  Offset      - TODO: add argument description\r
  Operation   - TODO: add argument description\r
  PtrCommand  - TODO: add argument description\r
\r
Returns:\r
\r
  TODO: add return values\r
\r
--*/\r
;\r
\r
BOOLEAN\r
PciCapabilitySupport (\r
  IN PCI_IO_DEVICE  *PciIoDevice\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  TODO: Add function description\r
\r
Arguments:\r
\r
  PciIoDevice - TODO: add argument description\r
\r
Returns:\r
\r
  TODO: add return values\r
\r
--*/\r
;\r
\r
EFI_STATUS\r
LocateCapabilityRegBlock (\r
  IN PCI_IO_DEVICE  *PciIoDevice,\r
  IN UINT8          CapId,\r
  IN OUT UINT8      *Offset,\r
  OUT UINT8         *NextRegBlock OPTIONAL\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  TODO: Add function description\r
\r
Arguments:\r
\r
  PciIoDevice   - TODO: add argument description\r
  CapId         - TODO: add argument description\r
  Offset        - TODO: add argument description\r
  NextRegBlock  - TODO: add argument description\r
\r
Returns:\r
\r
  TODO: add return values\r
\r
--*/\r
;\r
\r
\r
#define PciReadCommandRegister(a,b) \\r
        PciOperateRegister (a,0, PCI_COMMAND_OFFSET, EFI_GET_REGISTER, b)\r
\r
#define PciSetCommandRegister(a,b) \\r
        PciOperateRegister (a,b, PCI_COMMAND_OFFSET, EFI_SET_REGISTER, NULL)\r
        \r
#define PciEnableCommandRegister(a,b) \\r
        PciOperateRegister (a,b, PCI_COMMAND_OFFSET, EFI_ENABLE_REGISTER, NULL)\r
        \r
#define PciDisableCommandRegister(a,b) \\r
        PciOperateRegister (a,b, PCI_COMMAND_OFFSET, EFI_DISABLE_REGISTER, NULL)\r
\r
#define PciReadBridgeControlRegister(a,b) \\r
        PciOperateRegister (a,0, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_GET_REGISTER, b)\r
        \r
#define PciSetBridgeControlRegister(a,b) \\r
        PciOperateRegister (a,b, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_SET_REGISTER, NULL)\r
\r
#define PciEnableBridgeControlRegister(a,b) \\r
        PciOperateRegister (a,b, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_ENABLE_REGISTER, NULL)\r
        \r
#define PciDisableBridgeControlRegister(a,b) \\r
        PciOperateRegister (a,b, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_DISABLE_REGISTER, NULL)\r
\r
#endif\r