audk/OvmfPkg/QemuVideoDxe/Gop.c

418 lines
12 KiB
C

/** @file
Graphics Output Protocol functions for the QEMU video controller.
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "Qemu.h"
STATIC
VOID
QemuVideoCompleteModeInfo (
IN QEMU_VIDEO_MODE_DATA *ModeData,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info
)
{
Info->Version = 0;
if (ModeData->ColorDepth == 8) {
Info->PixelFormat = PixelBitMask;
Info->PixelInformation.RedMask = PIXEL_RED_MASK;
Info->PixelInformation.GreenMask = PIXEL_GREEN_MASK;
Info->PixelInformation.BlueMask = PIXEL_BLUE_MASK;
Info->PixelInformation.ReservedMask = 0;
} else if (ModeData->ColorDepth == 24) {
Info->PixelFormat = PixelBitMask;
Info->PixelInformation.RedMask = PIXEL24_RED_MASK;
Info->PixelInformation.GreenMask = PIXEL24_GREEN_MASK;
Info->PixelInformation.BlueMask = PIXEL24_BLUE_MASK;
Info->PixelInformation.ReservedMask = 0;
} else if (ModeData->ColorDepth == 32) {
DEBUG ((EFI_D_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));
Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
}
Info->PixelsPerScanLine = Info->HorizontalResolution;
}
STATIC
EFI_STATUS
QemuVideoCompleteModeData (
IN QEMU_VIDEO_PRIVATE_DATA *Private,
OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode
)
{
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *FrameBufDesc;
QEMU_VIDEO_MODE_DATA *ModeData;
ModeData = &Private->ModeData[Mode->Mode];
Info = Mode->Info;
QemuVideoCompleteModeInfo (ModeData, Info);
Private->PciIo->GetBarAttributes (
Private->PciIo,
Private->FrameBufferVramBarIndex,
NULL,
(VOID**) &FrameBufDesc
);
Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;
Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;
Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);
Mode->FrameBufferSize = EFI_PAGES_TO_SIZE (
EFI_SIZE_TO_PAGES (Mode->FrameBufferSize)
);
DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%Lx, FrameBufferSize: 0x%Lx\n",
Mode->FrameBufferBase, (UINT64)Mode->FrameBufferSize));
FreePool (FrameBufDesc);
return EFI_SUCCESS;
}
//
// Graphics Output Protocol Member Functions
//
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputQueryMode (
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 query 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.
--*/
{
QEMU_VIDEO_PRIVATE_DATA *Private;
QEMU_VIDEO_MODE_DATA *ModeData;
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
if (Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {
return EFI_INVALID_PARAMETER;
}
*Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
if (*Info == NULL) {
return EFI_OUT_OF_RESOURCES;
}
*SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
ModeData = &Private->ModeData[ModeNumber];
(*Info)->HorizontalResolution = ModeData->HorizontalResolution;
(*Info)->VerticalResolution = ModeData->VerticalResolution;
QemuVideoCompleteModeInfo (ModeData, *Info);
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputSetMode (
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.
--*/
{
QEMU_VIDEO_PRIVATE_DATA *Private;
QEMU_VIDEO_MODE_DATA *ModeData;
RETURN_STATUS Status;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Black;
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
if (ModeNumber >= This->Mode->MaxMode) {
return EFI_UNSUPPORTED;
}
ModeData = &Private->ModeData[ModeNumber];
switch (Private->Variant) {
case QEMU_VIDEO_CIRRUS_5430:
case QEMU_VIDEO_CIRRUS_5446:
InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->InternalModeIndex]);
break;
case QEMU_VIDEO_BOCHS_MMIO:
case QEMU_VIDEO_BOCHS:
InitializeBochsGraphicsMode (Private, &QemuVideoBochsModes[ModeData->InternalModeIndex]);
break;
default:
ASSERT (FALSE);
return EFI_DEVICE_ERROR;
}
This->Mode->Mode = ModeNumber;
This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
QemuVideoCompleteModeData (Private, This->Mode);
//
// Re-initialize the frame buffer configure when mode changes.
//
Status = FrameBufferBltConfigure (
(VOID*) (UINTN) This->Mode->FrameBufferBase,
This->Mode->Info,
Private->FrameBufferBltConfigure,
&Private->FrameBufferBltConfigureSize
);
if (Status == RETURN_BUFFER_TOO_SMALL) {
//
// Frame buffer configure may be larger in new mode.
//
if (Private->FrameBufferBltConfigure != NULL) {
FreePool (Private->FrameBufferBltConfigure);
}
Private->FrameBufferBltConfigure =
AllocatePool (Private->FrameBufferBltConfigureSize);
ASSERT (Private->FrameBufferBltConfigure != NULL);
//
// Create the configuration for FrameBufferBltLib
//
Status = FrameBufferBltConfigure (
(VOID*) (UINTN) This->Mode->FrameBufferBase,
This->Mode->Info,
Private->FrameBufferBltConfigure,
&Private->FrameBufferBltConfigureSize
);
}
ASSERT (Status == RETURN_SUCCESS);
//
// Per UEFI Spec, need to clear the visible portions of the output display to black.
//
ZeroMem (&Black, sizeof (Black));
Status = FrameBufferBlt (
Private->FrameBufferBltConfigure,
&Black,
EfiBltVideoFill,
0, 0,
0, 0,
This->Mode->Info->HorizontalResolution, This->Mode->Info->VerticalResolution,
0
);
ASSERT_RETURN_ERROR (Status);
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputBlt (
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 CirrusLogic 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 Status;
EFI_TPL OriginalTPL;
QEMU_VIDEO_PRIVATE_DATA *Private;
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
//
// We have to raise to TPL Notify, so we make an atomic write the frame buffer.
// We would not want a timer based event (Cursor, ...) to come in while we are
// doing this operation.
//
OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
switch (BltOperation) {
case EfiBltVideoToBltBuffer:
case EfiBltBufferToVideo:
case EfiBltVideoFill:
case EfiBltVideoToVideo:
Status = FrameBufferBlt (
Private->FrameBufferBltConfigure,
BltBuffer,
BltOperation,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
break;
default:
Status = EFI_INVALID_PARAMETER;
break;
}
gBS->RestoreTPL (OriginalTPL);
return Status;
}
EFI_STATUS
QemuVideoGraphicsOutputConstructor (
QEMU_VIDEO_PRIVATE_DATA *Private
)
{
EFI_STATUS Status;
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
GraphicsOutput = &Private->GraphicsOutput;
GraphicsOutput->QueryMode = QemuVideoGraphicsOutputQueryMode;
GraphicsOutput->SetMode = QemuVideoGraphicsOutputSetMode;
GraphicsOutput->Blt = QemuVideoGraphicsOutputBlt;
//
// Initialize the private data
//
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
(VOID **) &Private->GraphicsOutput.Mode
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
(VOID **) &Private->GraphicsOutput.Mode->Info
);
if (EFI_ERROR (Status)) {
goto FreeMode;
}
Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;
Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
Private->FrameBufferBltConfigure = NULL;
Private->FrameBufferBltConfigureSize = 0;
//
// Initialize the hardware
//
Status = GraphicsOutput->SetMode (GraphicsOutput, 0);
if (EFI_ERROR (Status)) {
goto FreeInfo;
}
DrawLogo (
Private,
Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,
Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution
);
return EFI_SUCCESS;
FreeInfo:
FreePool (Private->GraphicsOutput.Mode->Info);
FreeMode:
FreePool (Private->GraphicsOutput.Mode);
Private->GraphicsOutput.Mode = NULL;
return Status;
}
EFI_STATUS
QemuVideoGraphicsOutputDestructor (
QEMU_VIDEO_PRIVATE_DATA *Private
)
/*++
Routine Description:
Arguments:
Returns:
None
--*/
{
if (Private->FrameBufferBltConfigure != NULL) {
FreePool (Private->FrameBufferBltConfigure);
}
if (Private->GraphicsOutput.Mode != NULL) {
if (Private->GraphicsOutput.Mode->Info != NULL) {
gBS->FreePool (Private->GraphicsOutput.Mode->Info);
}
gBS->FreePool (Private->GraphicsOutput.Mode);
}
return EFI_SUCCESS;
}