diff options
Diffstat (limited to 'OvmfPkg/Bhyve/BhyveRfbDxe/Gop.h')
| -rw-r--r-- | OvmfPkg/Bhyve/BhyveRfbDxe/Gop.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/OvmfPkg/Bhyve/BhyveRfbDxe/Gop.h b/OvmfPkg/Bhyve/BhyveRfbDxe/Gop.h new file mode 100644 index 0000000000..d196a8e6cf --- /dev/null +++ b/OvmfPkg/Bhyve/BhyveRfbDxe/Gop.h @@ -0,0 +1,149 @@ +/*++ @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 __UGA_H_
+#define __UGA_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
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