mirror of https://github.com/acidanthera/audk.git
152 lines
4.3 KiB
C
152 lines
4.3 KiB
C
/** @file
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Copyright (c) 2006 - 2007 Intel Corporation. All rights reserved
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _VGA_MINIPORT_H_
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#define _VGA_MINIPORT_H_
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//
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// The package level header files this module uses
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//
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#include <PiDxe.h>
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//
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// The protocols, PPI and GUID defintions for this module
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//
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#include <Protocol/PciIo.h>
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#include <Protocol/VgaMiniPort.h>
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#include <Protocol/ComponentName2.h>
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//
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// The Library classes this module consumes
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//
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <IndustryStandard/Pci22.h>
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gPciVgaMiniPortDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gPciVgaMiniPortComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gPciVgaMiniPortComponentName2;
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//
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// PCI VGA MiniPort Device Structure
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//
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#define PCI_VGA_MINI_PORT_DEV_SIGNATURE SIGNATURE_32('P','V','M','P')
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typedef struct {
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UINTN Signature;
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EFI_HANDLE Handle;
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EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
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EFI_PCI_IO_PROTOCOL *PciIo;
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} PCI_VGA_MINI_PORT_DEV;
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#define PCI_VGA_MINI_PORT_DEV_FROM_THIS(a) CR(a, PCI_VGA_MINI_PORT_DEV, VgaMiniPort, PCI_VGA_MINI_PORT_DEV_SIGNATURE)
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//
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// Driver Binding Protocol functions
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//
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/**
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Supported.
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(Standard DriverBinding Protocol Supported() function)
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@param This The driver binding protocol.
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@param Controller The controller handle to check.
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@param RemainingDevicePath The remaining device path.
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@retval EFI_SUCCESS The driver supports this controller.
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@retval EFI_UNSUPPORTED This device isn't supported.
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**/
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EFI_STATUS
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EFIAPI
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PciVgaMiniPortDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Install VGA Mini Port Protocol onto VGA device handles
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(Standard DriverBinding Protocol Start() function)
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@param This The driver binding instance.
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@param Controller The controller to check.
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@param RemainingDevicePath The remaining device patch.
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@retval EFI_SUCCESS The controller is controlled by the driver.
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@retval EFI_ALREADY_STARTED The controller is already controlled by the driver.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
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**/
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EFI_STATUS
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EFIAPI
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PciVgaMiniPortDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop.
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(Standard DriverBinding Protocol Stop() function)
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@param This The driver binding protocol.
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@param Controller The controller to release.
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@param NumberOfChildren The child number that opened controller
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BY_CHILD.
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@param ChildHandleBuffer The array of child handle.
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@retval EFI_SUCCESS The controller or children are stopped.
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@retval EFI_DEVICE_ERROR Failed to stop the driver.
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**/
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EFI_STATUS
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EFIAPI
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PciVgaMiniPortDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// VGA Mini Port Protocol functions
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//
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/**
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Thunk function of EFI_VGA_MINI_PORT_SET_MODE.
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@param This Point to instance of EFI_VGA_MINI_PORT_PROTOCOL.
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@param ModeNumber Mode number.
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@retval EFI_UNSUPPORTED Invalid mode number.
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@retval EFI_SUCCESS Success.
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**/
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EFI_STATUS
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EFIAPI
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PciVgaMiniPortSetMode (
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IN EFI_VGA_MINI_PORT_PROTOCOL *This,
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IN UINTN ModeNumber
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);
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#endif
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