audk/IntelFrameworkModulePkg/Bus/Pci/VgaMiniPortDxe/VgaMiniPort.h

152 lines
4.3 KiB
C

/** @file
Copyright (c) 2006 - 2007 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.
**/
#ifndef _VGA_MINIPORT_H_
#define _VGA_MINIPORT_H_
//
// The package level header files this module uses
//
#include <PiDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Protocol/PciIo.h>
#include <Protocol/VgaMiniPort.h>
#include <Protocol/ComponentName2.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <IndustryStandard/Pci22.h>
//
// PCI VGA MiniPort Device Structure
//
#define PCI_VGA_MINI_PORT_DEV_SIGNATURE SIGNATURE_32('P','V','M','P')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
EFI_PCI_IO_PROTOCOL *PciIo;
} PCI_VGA_MINI_PORT_DEV;
#define PCI_VGA_MINI_PORT_DEV_FROM_THIS(a) CR(a, PCI_VGA_MINI_PORT_DEV, VgaMiniPort, PCI_VGA_MINI_PORT_DEV_SIGNATURE)
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gPciVgaMiniPortDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gPciVgaMiniPortComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gPciVgaMiniPortComponentName2;
//
// Driver Binding Protocol functions
//
/**
Supported.
(Standard DriverBinding Protocol Supported() function)
@param This The driver binding protocol.
@param Controller The controller handle to check.
@param RemainingDevicePath The remaining device path.
@retval EFI_SUCCESS The driver supports this controller.
@retval EFI_UNSUPPORTED This device isn't supported.
**/
EFI_STATUS
EFIAPI
PciVgaMiniPortDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Install VGA Mini Port Protocol onto VGA device handles
(Standard DriverBinding Protocol Start() function)
@param This The driver binding instance.
@param Controller The controller to check.
@param RemainingDevicePath The remaining device patch.
@retval EFI_SUCCESS The controller is controlled by the driver.
@retval EFI_ALREADY_STARTED The controller is already controlled by the driver.
@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
**/
EFI_STATUS
EFIAPI
PciVgaMiniPortDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
/**
Stop.
(Standard DriverBinding Protocol Stop() function)
@param This The driver binding protocol.
@param Controller The controller to release.
@param NumberOfChildren The child number that opened controller
BY_CHILD.
@param ChildHandleBuffer The array of child handle.
@retval EFI_SUCCESS The controller or children are stopped.
@retval EFI_DEVICE_ERROR Failed to stop the driver.
**/
EFI_STATUS
EFIAPI
PciVgaMiniPortDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
//
// VGA Mini Port Protocol functions
//
/**
Thunk function of EFI_VGA_MINI_PORT_SET_MODE.
@param This Point to instance of EFI_VGA_MINI_PORT_PROTOCOL.
@param ModeNumber Mode number.
@retval EFI_UNSUPPORTED Invalid mode number.
@retval EFI_SUCCESS Success.
**/
EFI_STATUS
EFIAPI
PciVgaMiniPortSetMode (
IN EFI_VGA_MINI_PORT_PROTOCOL *This,
IN UINTN ModeNumber
);
#endif