diff options
Diffstat (limited to 'OvmfPkg/Csm/BiosThunk/VideoDxe/BiosVideo.h')
| -rw-r--r-- | OvmfPkg/Csm/BiosThunk/VideoDxe/BiosVideo.h | 164 |
1 files changed, 78 insertions, 86 deletions
diff --git a/OvmfPkg/Csm/BiosThunk/VideoDxe/BiosVideo.h b/OvmfPkg/Csm/BiosThunk/VideoDxe/BiosVideo.h index fb4cc65fd9..a2cb624d5a 100644 --- a/OvmfPkg/Csm/BiosThunk/VideoDxe/BiosVideo.h +++ b/OvmfPkg/Csm/BiosThunk/VideoDxe/BiosVideo.h @@ -42,88 +42,88 @@ SPDX-License-Identifier: BSD-2-Clause-Patent // position of RGB in the frame buffer is specified in the VBE Mode information
//
typedef struct {
- UINT8 Position; // Position of the color
- UINT8 Mask; // The number of bits expressed as a mask
+ UINT8 Position; // Position of the color
+ UINT8 Mask; // The number of bits expressed as a mask
} BIOS_VIDEO_COLOR_PLACEMENT;
//
// BIOS Graphics Output Graphical Mode Data
//
typedef struct {
- UINT16 VbeModeNumber;
- UINT16 BytesPerScanLine;
- VOID *LinearFrameBuffer;
- UINTN FrameBufferSize;
- UINT32 HorizontalResolution;
- UINT32 VerticalResolution;
- UINT32 ColorDepth;
- UINT32 RefreshRate;
- UINT32 BitsPerPixel;
- BIOS_VIDEO_COLOR_PLACEMENT Red;
- BIOS_VIDEO_COLOR_PLACEMENT Green;
- BIOS_VIDEO_COLOR_PLACEMENT Blue;
- BIOS_VIDEO_COLOR_PLACEMENT Reserved;
- EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
- EFI_PIXEL_BITMASK PixelBitMask;
+ UINT16 VbeModeNumber;
+ UINT16 BytesPerScanLine;
+ VOID *LinearFrameBuffer;
+ UINTN FrameBufferSize;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ UINT32 ColorDepth;
+ UINT32 RefreshRate;
+ UINT32 BitsPerPixel;
+ BIOS_VIDEO_COLOR_PLACEMENT Red;
+ BIOS_VIDEO_COLOR_PLACEMENT Green;
+ BIOS_VIDEO_COLOR_PLACEMENT Blue;
+ BIOS_VIDEO_COLOR_PLACEMENT Reserved;
+ EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
+ EFI_PIXEL_BITMASK PixelBitMask;
} BIOS_VIDEO_MODE_DATA;
//
// BIOS video child handle private data Structure
//
-#define BIOS_VIDEO_DEV_SIGNATURE SIGNATURE_32 ('B', 'V', 'M', 'p')
+#define BIOS_VIDEO_DEV_SIGNATURE SIGNATURE_32 ('B', 'V', 'M', 'p')
typedef struct {
- UINTN Signature;
- EFI_HANDLE Handle;
+ UINTN Signature;
+ EFI_HANDLE Handle;
//
// Consumed Protocols
//
- EFI_PCI_IO_PROTOCOL *PciIo;
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
//
// Produced Protocols
//
- EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
- EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;
- EFI_EDID_ACTIVE_PROTOCOL EdidActive;
- EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
+ EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;
+ EFI_EDID_ACTIVE_PROTOCOL EdidActive;
+ EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
//
// General fields
//
- BOOLEAN VgaCompatible;
- BOOLEAN ProduceGraphicsOutput;
+ BOOLEAN VgaCompatible;
+ BOOLEAN ProduceGraphicsOutput;
//
// Graphics Output Protocol related fields
//
- BOOLEAN HardwareNeedsStarting;
- UINTN CurrentMode;
- UINTN MaxMode;
- BIOS_VIDEO_MODE_DATA *ModeData;
- UINT8 *LineBuffer;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
- UINT8 *VgaFrameBuffer;
+ BOOLEAN HardwareNeedsStarting;
+ UINTN CurrentMode;
+ UINTN MaxMode;
+ BIOS_VIDEO_MODE_DATA *ModeData;
+ UINT8 *LineBuffer;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
+ UINT8 *VgaFrameBuffer;
//
// VESA Bios Extensions related fields
//
- UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB
- EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks
- VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB
- VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB
- VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB
- VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB
- UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer
- EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB
+ UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB
+ EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks
+ VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB
+ VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB
+ VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB
+ VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB
+ UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer
+ EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB
//
// Status code
//
- EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
- EFI_EVENT ExitBootServicesEvent;
+ EFI_EVENT ExitBootServicesEvent;
} BIOS_VIDEO_DEV;
#define BIOS_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, BIOS_VIDEO_DEV, PciIo, BIOS_VIDEO_DEV_SIGNATURE)
@@ -164,7 +164,6 @@ BiosVideoDriverBindingSupported ( IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
-
/**
Install Graphics Output Protocol onto VGA device handles.
@@ -184,7 +183,6 @@ BiosVideoDriverBindingStart ( IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
-
/**
Stop.
@@ -223,7 +221,6 @@ BiosVideoCheckForVbe ( IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
);
-
/**
Check for VGA device.
@@ -237,9 +234,6 @@ BiosVideoCheckForVga ( IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
);
-
-
-
/**
Release resource for BIOS video instance.
@@ -282,7 +276,6 @@ BiosVideoGraphicsOutputQueryMode ( OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
);
-
/**
Graphics Output protocol interface to set video mode.
@@ -298,11 +291,10 @@ BiosVideoGraphicsOutputQueryMode ( EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputSetMode (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
- IN UINT32 ModeNumber
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+ IN UINT32 ModeNumber
);
-
/**
Graphics Output protocol instance to block transfer for VBE device.
@@ -345,7 +337,6 @@ BiosVideoGraphicsOutputVbeBlt ( IN UINTN Delta
);
-
/**
Graphics Output protocol instance to block transfer for VGA device.
@@ -419,50 +410,50 @@ BiosVideoVgaMiniPortSetMode ( VOID
EFIAPI
BiosVideoNotifyExitBootServices (
- IN EFI_EVENT Event,
- IN VOID *Context
+ IN EFI_EVENT Event,
+ IN VOID *Context
);
//
// Standard VGA Definitions
//
-#define VGA_HORIZONTAL_RESOLUTION 640
-#define VGA_VERTICAL_RESOLUTION 480
-#define VGA_NUMBER_OF_BIT_PLANES 4
-#define VGA_PIXELS_PER_BYTE 8
-#define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)
-#define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)
+#define VGA_HORIZONTAL_RESOLUTION 640
+#define VGA_VERTICAL_RESOLUTION 480
+#define VGA_NUMBER_OF_BIT_PLANES 4
+#define VGA_PIXELS_PER_BYTE 8
+#define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)
+#define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)
-#define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce
-#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf
+#define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce
+#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf
-#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00
+#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00
-#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01
+#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01
-#define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02
+#define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02
-#define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03
-#define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00
-#define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08
-#define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10
-#define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18
+#define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10
+#define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18
#define VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER 0x04
-#define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05
-#define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00
-#define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08
-#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00
-#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01
-#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02
-#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03
+#define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05
+#define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00
+#define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02
+#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03
-#define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06
+#define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06
#define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER 0x07
-#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08
+#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08
/**
Install child handles if the Handle supports MBR format.
@@ -500,9 +491,9 @@ BiosVideoChildHandleInstall ( **/
EFI_STATUS
BiosVideoChildHandleUninstall (
- EFI_DRIVER_BINDING_PROTOCOL *This,
- EFI_HANDLE Controller,
- EFI_HANDLE Handle
+ EFI_DRIVER_BINDING_PROTOCOL *This,
+ EFI_HANDLE Controller,
+ EFI_HANDLE Handle
);
/**
@@ -529,4 +520,5 @@ BOOLEAN HasChildHandle (
IN EFI_HANDLE Controller
);
+
#endif
|