Viewing file:  vgaclass.h (1.87 KB) -rw-r--r--
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#ifndef _VGA_CLASS_H
#define _VGA_CLASS_H
/*++
Copyright (c) 1999 Intel Corporation
Module Name:
VgaClass.h
Abstract:
Vga Mini port binding to Vga Class protocol
Revision History
--*/
//
// VGA Device Structure
//
// {0E3D6310-6FE4-11d3-BB81-0080C73C8881}
#define VGA_CLASS_DRIVER_PROTOCOL \
{ 0xe3d6310, 0x6fe4, 0x11d3, {0xbb, 0x81, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81} }
typedef
EFI_STATUS
(* INIT_VGA_CARD) (
IN UINTN VgaMode,
IN VOID *Context
);
typedef struct {
UINTN MaxColumns;
UINTN MaxRows;
} MAX_CONSOLE_GEOMETRY;
#define VGA_CON_OUT_DEV_SIGNATURE EFI_SIGNATURE_32('c','v','g','a')
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
SIMPLE_TEXT_OUTPUT_INTERFACE ConOut;
SIMPLE_TEXT_OUTPUT_MODE ConOutMode;
EFI_DEVICE_PATH *DevicePath;
UINT8 *Buffer;
EFI_DEVICE_IO_INTERFACE *DeviceIo;
//
// Video Card Context
//
INIT_VGA_CARD InitVgaCard;
VOID *VgaCardContext;
MAX_CONSOLE_GEOMETRY *Geometry;
//
// Video buffer normally 0xb8000
//
UINT64 VideoBuffer;
//
// Clear Screen & Default Attribute
//
UINT32 Attribute;
//
// -1 means search for active VGA device
//
EFI_PCI_ADDRESS_UNION Pci;
} VGA_CON_OUT_DEV;
#define VGA_CON_OUT_DEV_FROM_THIS(a) CR(a, VGA_CON_OUT_DEV, ConOut, VGA_CON_OUT_DEV_SIGNATURE)
//
// Vga Class Driver Protocol.
// GUID defined in EFI Lib
//
typedef
EFI_STATUS
(EFIAPI *INSTALL_VGA_DRIVER) (
IN VGA_CON_OUT_DEV *ConOutDev
);
typedef struct {
UINT32 Version;
INSTALL_VGA_DRIVER InstallGenericVgaDriver;
} INSTALL_VGA_DRIVER_INTERFACE;
#endif
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