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Diffstat (limited to 'sys/boot/efi/include/efiuga.h')
-rw-r--r-- | sys/boot/efi/include/efiuga.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/sys/boot/efi/include/efiuga.h b/sys/boot/efi/include/efiuga.h new file mode 100644 index 0000000..ad129e3 --- /dev/null +++ b/sys/boot/efi/include/efiuga.h @@ -0,0 +1,170 @@ +/* $FreeBSD$ */ +/** @file + UGA Draw protocol from the EFI 1.1 specification. + + Abstraction of a very simple graphics device. + + Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which accompanies this + distribution. The full text of the license may be found at: + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + File name: UgaDraw.h + +**/ + +#ifndef __UGA_DRAW_H__ +#define __UGA_DRAW_H__ + +#define EFI_UGA_DRAW_PROTOCOL_GUID \ + { \ + 0x982c298b, 0xf4fa, 0x41cb, {0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39 } \ + } + +typedef struct _EFI_UGA_DRAW_PROTOCOL EFI_UGA_DRAW_PROTOCOL; + +/** + Return the current video mode information. + + @param This Protocol instance pointer. + @param HorizontalResolution Current video horizontal resolution in pixels + @param VerticalResolution Current video vertical resolution in pixels + @param ColorDepth Current video color depth in bits per pixel + @param RefreshRate Current video refresh rate in Hz. + + @retval EFI_SUCCESS Mode information returned. + @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode () + @retval EFI_INVALID_PARAMETER One of the input args was NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UGA_DRAW_PROTOCOL_GET_MODE) ( + IN EFI_UGA_DRAW_PROTOCOL *This, + OUT UINT32 *HorizontalResolution, + OUT UINT32 *VerticalResolution, + OUT UINT32 *ColorDepth, + OUT UINT32 *RefreshRate + ) +; + +/** + Return the current video mode information. + + @param This Protocol instance pointer. + @param HorizontalResolution Current video horizontal resolution in pixels + @param VerticalResolution Current video vertical resolution in pixels + @param ColorDepth Current video color depth in bits per pixel + @param RefreshRate Current video refresh rate in Hz. + + @retval EFI_SUCCESS Mode information returned. + @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode () + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_UGA_DRAW_PROTOCOL_SET_MODE) ( + IN EFI_UGA_DRAW_PROTOCOL *This, + IN UINT32 HorizontalResolution, + IN UINT32 VerticalResolution, + IN UINT32 ColorDepth, + IN UINT32 RefreshRate + ) +; + +typedef struct { + UINT8 Blue; + UINT8 Green; + UINT8 Red; + UINT8 Reserved; +} EFI_UGA_PIXEL; + +typedef union { + EFI_UGA_PIXEL Pixel; + UINT32 Raw; +} EFI_UGA_PIXEL_UNION; + +typedef enum { + EfiUgaVideoFill, + EfiUgaVideoToBltBuffer, + EfiUgaBltBufferToVideo, + EfiUgaVideoToVideo, + EfiUgaBltMax +} EFI_UGA_BLT_OPERATION; + +/** + Type specifying a pointer to a function to perform an UGA Blt operation. + + The following table defines actions for BltOperations: + + <B>EfiUgaVideoFill</B> - Write data from the BltBuffer pixel (SourceX, SourceY) + directly to every pixel of the video display rectangle + (DestinationX, DestinationY) (DestinationX + Width, DestinationY + Height). + Only one pixel will be used from the BltBuffer. Delta is NOT used. + + <B>EfiUgaVideoToBltBuffer</B> - Read data from the video display rectangle + (SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in + the BltBuffer rectangle (DestinationX, DestinationY ) + (DestinationX + Width, DestinationY + Height). If DestinationX or + DestinationY is not zero then Delta must be set to the length in bytes + of a row in the BltBuffer. + + <B>EfiUgaBltBufferToVideo</B> - Write data from the BltBuffer rectangle + (SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the + video display rectangle (DestinationX, DestinationY) + (DestinationX + Width, DestinationY + Height). If SourceX or SourceY is + not zero then Delta must be set to the length in bytes of a row in the + BltBuffer. + + <B>EfiUgaVideoToVideo</B> - Copy from the video display rectangle (SourceX, SourceY) + (SourceX + Width, SourceY + Height) .to the video display rectangle + (DestinationX, DestinationY) (DestinationX + Width, DestinationY + Height). + The BltBuffer and Delta are not used in this mode. + + + @param[in] This - Protocol instance pointer. + @param[in] BltBuffer - Buffer containing data to blit into video buffer. This + buffer has a size of Width*Height*sizeof(EFI_UGA_PIXEL) + @param[in] BltOperation - Operation to perform on BlitBuffer and video memory + @param[in] SourceX - X coordinate of source for the BltBuffer. + @param[in] SourceY - Y coordinate of source for the BltBuffer. + @param[in] DestinationX - X coordinate of destination for the BltBuffer. + @param[in] DestinationY - Y coordinate of destination for the BltBuffer. + @param[in] Width - Width of rectangle in BltBuffer in pixels. + @param[in] Height - Hight of rectangle in BltBuffer in pixels. + @param[in] Delta - OPTIONAL + + @retval EFI_SUCCESS - The Blt operation completed. + @retval EFI_INVALID_PARAMETER - BltOperation is not valid. + @retval EFI_DEVICE_ERROR - A hardware error occured writting to the video buffer. + +--*/ +typedef +EFI_STATUS +(EFIAPI *EFI_UGA_DRAW_PROTOCOL_BLT) ( + IN EFI_UGA_DRAW_PROTOCOL * This, + IN EFI_UGA_PIXEL * BltBuffer, OPTIONAL + IN EFI_UGA_BLT_OPERATION BltOperation, + IN UINTN SourceX, + IN UINTN SourceY, + IN UINTN DestinationX, + IN UINTN DestinationY, + IN UINTN Width, + IN UINTN Height, + IN UINTN Delta OPTIONAL + ); + +struct _EFI_UGA_DRAW_PROTOCOL { + EFI_UGA_DRAW_PROTOCOL_GET_MODE GetMode; + EFI_UGA_DRAW_PROTOCOL_SET_MODE SetMode; + EFI_UGA_DRAW_PROTOCOL_BLT Blt; +}; + +extern EFI_GUID gEfiUgaDrawProtocolGuid; + +#endif |