mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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149 lines
4.0 KiB
C
149 lines
4.0 KiB
C
/*++ @file
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Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2010,Apple Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _GOP_H_
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#define _GOP_H_
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#include <Uefi.h>
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#include <Protocol/GraphicsOutput.h>
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#include <Protocol/PciIo.h>
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#include <Protocol/DriverSupportedEfiVersion.h>
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#include <Protocol/DevicePath.h>
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#include <Guid/EventGroup.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseLib.h>
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#include <Library/PcdLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DevicePathLib.h>
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#include <IndustryStandard/Pci.h>
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#define GRAPHICS_OUTPUT_INVALID_MODE_NUMBER 0xffff
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typedef struct {
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UINT32 HorizontalResolution;
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UINT32 VerticalResolution;
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UINT32 ColorDepth;
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UINT32 RefreshRate;
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} GOP_MODE_DATA;
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#define PIXEL_RED_SHIFT 0
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#define PIXEL_GREEN_SHIFT 3
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#define PIXEL_BLUE_SHIFT 6
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#define PIXEL_RED_MASK (BIT7 | BIT6 | BIT5)
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#define PIXEL_GREEN_MASK (BIT4 | BIT3 | BIT2)
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#define PIXEL_BLUE_MASK (BIT1 | BIT0)
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#define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))
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#define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
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#define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
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#define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
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#define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
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(UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
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(((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
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(((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
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#define PIXEL24_RED_MASK 0x00ff0000
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#define PIXEL24_GREEN_MASK 0x0000ff00
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#define PIXEL24_BLUE_MASK 0x000000ff
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extern EFI_DRIVER_BINDING_PROTOCOL gEmuGopDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gEmuGopComponentName;
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#define EMU_UGA_CLASS_NAME L"EmuGopWindow"
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#define GOP_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('G', 'o', 'p', 'N')
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typedef struct {
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UINT64 Signature;
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EFI_HANDLE Handle;
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EFI_PCI_IO_PROTOCOL *PciIo;
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EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
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EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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//
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// GOP Private Data for QueryMode ()
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//
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GOP_MODE_DATA *ModeData;
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UINT64 FbAddr;
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UINT32 FbSize;
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} GOP_PRIVATE_DATA;
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#define GOP_PRIVATE_DATA_FROM_THIS(a) \
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CR(a, GOP_PRIVATE_DATA, GraphicsOutput, GOP_PRIVATE_DATA_SIGNATURE)
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typedef struct {
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UINT32 FbSize;
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UINT16 Width;
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UINT16 Height;
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UINT16 Depth;
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UINT16 RefreshRate;
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} BHYVE_FBUF_MEMREGS;
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//
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// Global Protocol Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gEmuGopDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gEmuGopComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gEmuGopComponentName2;
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//
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// Gop Hardware abstraction internal worker functions
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//
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EFI_STATUS
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EmuGopConstructor (
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IN GOP_PRIVATE_DATA *Private
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);
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EFI_STATUS
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EmuGopDestructor (
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IN GOP_PRIVATE_DATA *Private
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);
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VOID
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EFIAPI
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ShutdownGopEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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VOID
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BhyveSetGraphicsMode (
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GOP_PRIVATE_DATA *Private,
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UINT16 Width,
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UINT16 Height,
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UINT16 Depth
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);
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VOID
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BhyveGetMemregs (
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GOP_PRIVATE_DATA *Private,
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BHYVE_FBUF_MEMREGS *Memregs
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);
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VOID
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InstallVbeShim (
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IN CONST CHAR16 *CardName,
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IN EFI_PHYSICAL_ADDRESS FrameBufferBase
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);
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#endif /* _GOP_H_ */
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