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