mirror of https://github.com/acidanthera/audk.git
176 lines
5.1 KiB
C
176 lines
5.1 KiB
C
/*++
|
|
|
|
Copyright (c) 2006, Intel Corporation
|
|
All rights reserved. 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.
|
|
|
|
Module Name:
|
|
|
|
PciCommand.h
|
|
|
|
Abstract:
|
|
|
|
PCI Bus Driver
|
|
|
|
Revision History
|
|
|
|
--*/
|
|
|
|
#ifndef _EFI_PCI_COMMAND_H
|
|
#define _EFI_PCI_COMMAND_H
|
|
|
|
//
|
|
// The PCI Command register bits owned by PCI Bus driver.
|
|
//
|
|
// They should be cleared at the beginning. The other registers
|
|
// are owned by chipset, we should not touch them.
|
|
//
|
|
#define EFI_PCI_COMMAND_BITS_OWNED ( \
|
|
EFI_PCI_COMMAND_IO_SPACE | \
|
|
EFI_PCI_COMMAND_MEMORY_SPACE | \
|
|
EFI_PCI_COMMAND_BUS_MASTER | \
|
|
EFI_PCI_COMMAND_MEMORY_WRITE_AND_INVALIDATE | \
|
|
EFI_PCI_COMMAND_VGA_PALETTE_SNOOP | \
|
|
EFI_PCI_COMMAND_FAST_BACK_TO_BACK \
|
|
)
|
|
|
|
//
|
|
// The PCI Bridge Control register bits owned by PCI Bus driver.
|
|
//
|
|
// They should be cleared at the beginning. The other registers
|
|
// are owned by chipset, we should not touch them.
|
|
//
|
|
#define EFI_PCI_BRIDGE_CONTROL_BITS_OWNED ( \
|
|
EFI_PCI_BRIDGE_CONTROL_ISA | \
|
|
EFI_PCI_BRIDGE_CONTROL_VGA | \
|
|
EFI_PCI_BRIDGE_CONTROL_VGA_16 | \
|
|
EFI_PCI_BRIDGE_CONTROL_FAST_BACK_TO_BACK \
|
|
)
|
|
|
|
//
|
|
// The PCCard Bridge Control register bits owned by PCI Bus driver.
|
|
//
|
|
// They should be cleared at the beginning. The other registers
|
|
// are owned by chipset, we should not touch them.
|
|
//
|
|
#define EFI_PCCARD_BRIDGE_CONTROL_BITS_OWNED ( \
|
|
EFI_PCI_BRIDGE_CONTROL_ISA | \
|
|
EFI_PCI_BRIDGE_CONTROL_VGA | \
|
|
EFI_PCI_BRIDGE_CONTROL_FAST_BACK_TO_BACK \
|
|
)
|
|
|
|
|
|
#define EFI_GET_REGISTER 1
|
|
#define EFI_SET_REGISTER 2
|
|
#define EFI_ENABLE_REGISTER 3
|
|
#define EFI_DISABLE_REGISTER 4
|
|
|
|
EFI_STATUS
|
|
PciOperateRegister (
|
|
IN PCI_IO_DEVICE *PciIoDevice,
|
|
IN UINT16 Command,
|
|
IN UINT8 Offset,
|
|
IN UINT8 Operation,
|
|
OUT UINT16 *PtrCommand
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
PciIoDevice - TODO: add argument description
|
|
Command - TODO: add argument description
|
|
Offset - TODO: add argument description
|
|
Operation - TODO: add argument description
|
|
PtrCommand - TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
BOOLEAN
|
|
PciCapabilitySupport (
|
|
IN PCI_IO_DEVICE *PciIoDevice
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
PciIoDevice - TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
LocateCapabilityRegBlock (
|
|
IN PCI_IO_DEVICE *PciIoDevice,
|
|
IN UINT8 CapId,
|
|
IN OUT UINT8 *Offset,
|
|
OUT UINT8 *NextRegBlock OPTIONAL
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
TODO: Add function description
|
|
|
|
Arguments:
|
|
|
|
PciIoDevice - TODO: add argument description
|
|
CapId - TODO: add argument description
|
|
Offset - TODO: add argument description
|
|
NextRegBlock - TODO: add argument description
|
|
|
|
Returns:
|
|
|
|
TODO: add return values
|
|
|
|
--*/
|
|
;
|
|
|
|
|
|
#define PciReadCommandRegister(a,b) \
|
|
PciOperateRegister (a,0, PCI_COMMAND_OFFSET, EFI_GET_REGISTER, b)
|
|
|
|
#define PciSetCommandRegister(a,b) \
|
|
PciOperateRegister (a,b, PCI_COMMAND_OFFSET, EFI_SET_REGISTER, NULL)
|
|
|
|
#define PciEnableCommandRegister(a,b) \
|
|
PciOperateRegister (a,b, PCI_COMMAND_OFFSET, EFI_ENABLE_REGISTER, NULL)
|
|
|
|
#define PciDisableCommandRegister(a,b) \
|
|
PciOperateRegister (a,b, PCI_COMMAND_OFFSET, EFI_DISABLE_REGISTER, NULL)
|
|
|
|
#define PciReadBridgeControlRegister(a,b) \
|
|
PciOperateRegister (a,0, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_GET_REGISTER, b)
|
|
|
|
#define PciSetBridgeControlRegister(a,b) \
|
|
PciOperateRegister (a,b, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_SET_REGISTER, NULL)
|
|
|
|
#define PciEnableBridgeControlRegister(a,b) \
|
|
PciOperateRegister (a,b, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_ENABLE_REGISTER, NULL)
|
|
|
|
#define PciDisableBridgeControlRegister(a,b) \
|
|
PciOperateRegister (a,b, PCI_BRIDGE_CONTROL_REGISTER_OFFSET, EFI_DISABLE_REGISTER, NULL)
|
|
|
|
#endif
|