uefibiosvideo.h

来自「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是」· C头文件 代码 · 共 540 行 · 第 1/2 页

STATIC
EFI_STATUS
DeRegisterVideoChildHandle (
  EFI_DRIVER_BINDING_PROTOCOL    *This,
  EFI_HANDLE                     Controller,
  EFI_HANDLE                     Handle
  )
/*++

Routine Description:

  Deregister an video child handle and free resources

Arguments:

  This            - Protocol instance pointer.
  Controller      - Video controller handle
  Handle          - Video child handle

Returns:

  EFI_STATUS

--*/
;

VOID
BiosVideoDeviceReleaseResource (
  BIOS_VIDEO_DEV  *BiosVideoChildPrivate
  )
/*++
Routing Description:

  Release resources of a video child device before stopping it.

Arguments:

  BiosVideoChildPrivate  -  Video child device private data structure

Returns:

    NONE
    
---*/
;

//
// BIOS Graphics Output Protocol functions
//
EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputQueryMode (
  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL          *This,
  IN  UINT32                                ModeNumber,
  OUT UINTN                                 *SizeOfInfo,
  OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  **Info
  )
/*++

Routine Description:

  Graphics Output protocol interface to get video mode

  Arguments:
    This                  - Protocol instance pointer.
    ModeNumber            - The mode number to return information on.
    Info                  - Caller allocated buffer that returns information about ModeNumber.
    SizeOfInfo            - A pointer to the size, in bytes, of the Info buffer.

  Returns:
    EFI_SUCCESS           - Mode information returned.
    EFI_BUFFER_TOO_SMALL  - The Info buffer was too small.
    EFI_DEVICE_ERROR      - A hardware error occurred trying to retrieve the video mode.
    EFI_NOT_STARTED       - Video display is not initialized. Call SetMode ()
    EFI_INVALID_PARAMETER - One of the input args was NULL.

--*/
;

EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputSetMode (
  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
  IN  UINT32                       ModeNumber
  )
/*++

Routine Description:

  Graphics Output protocol interface to set video mode

  Arguments:
    This             - Protocol instance pointer.
    ModeNumber       - The mode number to be set.

  Returns:
    EFI_SUCCESS      - Graphics mode was changed.
    EFI_DEVICE_ERROR - The device had an error and could not complete the request.
    EFI_UNSUPPORTED  - ModeNumber is not supported by this device.

--*/
;

EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputVbeBlt (
  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL       *This,
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL      *BltBuffer, OPTIONAL
  IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION  BltOperation,
  IN  UINTN                              SourceX,
  IN  UINTN                              SourceY,
  IN  UINTN                              DestinationX,
  IN  UINTN                              DestinationY,
  IN  UINTN                              Width,
  IN  UINTN                              Height,
  IN  UINTN                              Delta
  )
/*++

Routine Description:

  Graphics Output protocol instance to block transfer for VBE device

Arguments:

  This          - Pointer to Graphics Output protocol instance
  BltBuffer     - The data to transfer to screen
  BltOperation  - The operation to perform
  SourceX       - The X coordinate of the source for BltOperation
  SourceY       - The Y coordinate of the source for BltOperation
  DestinationX  - The X coordinate of the destination for BltOperation
  DestinationY  - The Y coordinate of the destination for BltOperation
  Width         - The width of a rectangle in the blt rectangle in pixels
  Height        - The height of a rectangle in the blt rectangle in pixels
  Delta         - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
                  If a Delta of 0 is used, the entire BltBuffer will be operated on.
                  If a subrectangle of the BltBuffer is used, then Delta represents
                  the number of bytes in a row of the BltBuffer.

Returns:

  EFI_INVALID_PARAMETER - Invalid parameter passed in
  EFI_SUCCESS - Blt operation success

--*/
;

EFI_STATUS
EFIAPI
BiosVideoGraphicsOutputVgaBlt (
  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL       *This,
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL      *BltBuffer, OPTIONAL
  IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION  BltOperation,
  IN  UINTN                              SourceX,
  IN  UINTN                              SourceY,
  IN  UINTN                              DestinationX,
  IN  UINTN                              DestinationY,
  IN  UINTN                              Width,
  IN  UINTN                              Height,
  IN  UINTN                              Delta
  )
/*++

Routine Description:

  Grahpics Output protocol instance to block transfer for VGA device

Arguments:

  This          - Pointer to Grahpics Output protocol instance
  BltBuffer     - The data to transfer to screen
  BltOperation  - The operation to perform
  SourceX       - The X coordinate of the source for BltOperation
  SourceY       - The Y coordinate of the source for BltOperation
  DestinationX  - The X coordinate of the destination for BltOperation
  DestinationY  - The Y coordinate of the destination for BltOperation
  Width         - The width of a rectangle in the blt rectangle in pixels
  Height        - The height of a rectangle in the blt rectangle in pixels
  Delta         - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
                  If a Delta of 0 is used, the entire BltBuffer will be operated on.
                  If a subrectangle of the BltBuffer is used, then Delta represents
                  the number of bytes in a row of the BltBuffer.

Returns:

  EFI_INVALID_PARAMETER - Invalid parameter passed in
  EFI_SUCCESS - Blt operation success

--*/
;

//
// BIOS VGA Mini Port Protocol functions
//
EFI_STATUS
EFIAPI
BiosVideoVgaMiniPortSetMode (
  IN  EFI_VGA_MINI_PORT_PROTOCOL  *This,
  IN  UINTN                       ModeNumber
  )
/*++

Routine Description:

  VgaMiniPort protocol interface to set mode

Arguments:

  This        - Pointer to VgaMiniPort protocol instance
  ModeNumber  - The index of the mode

Returns:

  EFI_UNSUPPORTED - The requested mode is not supported
  EFI_SUCCESS - The requested mode is set successfully

--*/
;


BOOLEAN
BiosVideoIsVga (
  IN  EFI_PCI_IO_PROTOCOL       *PciIo
  )
;


//
// 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_GRAPHICS_CONTROLLER_ADDRESS_REGISTER          0x3ce
#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER             0x3cf

#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER        0x00

#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01

#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_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_MISCELLANEOUS_REGISTER    0x06

#define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER  0x07

#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER         0x08

#endif