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audk/OvmfPkg/Bhyve/BhyveRfbDxe/GopScreen.c

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/*++ @file
Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
Copyright (c) 2015, Nahanni Systems, Inc.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
Module Name:
EmuGopScreen.c
Abstract:
This file produces the graphics abstration of UGA. It is called by
EmuGopDriver.c file which deals with the EFI 1.1 driver model.
This file just does graphics.
**/
#include "Gop.h"
#include <Library/FrameBufferBltLib.h>
EFI_EVENT mGopScreenExitBootServicesEvent;
GOP_MODE_DATA mGopModeData[] = {
{ 0, 0, 32, 0 }, // Filled in with user-spec'd resolution
{ 1024, 768, 32, 0 },
{ 800, 600, 32, 0 },
{ 640, 480, 32, 0 }
};
STATIC
VOID
BhyveGopCompleteModeInfo (
IN GOP_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 ((
DEBUG_INFO,
"%dx%d PixelBlueGreenRedReserved8BitPerColor\n",
ModeData->HorizontalResolution,
ModeData->VerticalResolution
));
Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
}
Info->PixelsPerScanLine = Info->HorizontalResolution;
}
/**
Returns information for an available graphics mode that the graphics device
and the set of active video output devices supports.
@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
@param ModeNumber The mode number to return information on.
@param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.
@param Info A pointer to callee allocated buffer that returns information about ModeNumber.
@retval EFI_SUCCESS Mode information returned.
@retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.
@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.
@retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
@retval EFI_INVALID_PARAMETER One of the input args was NULL.
**/
EFI_STATUS
EFIAPI
EmuGopQuerytMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber,
OUT UINTN *SizeOfInfo,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
)
{
GOP_PRIVATE_DATA *Private;
GOP_MODE_DATA *ModeData;
Private = GOP_PRIVATE_DATA_FROM_THIS (This);
if ((Info == NULL) || (SizeOfInfo == NULL) || ((UINTN)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)->Version = 0;
(*Info)->HorizontalResolution = ModeData->HorizontalResolution;
(*Info)->VerticalResolution = ModeData->VerticalResolution;
(*Info)->PixelFormat = PixelBitMask;
(*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution;
BhyveGopCompleteModeInfo (ModeData, *Info);
return EFI_SUCCESS;
}
/**
Set the video device into the specified mode and clears the visible portions of
the output display to black.
@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
@param ModeNumber Abstraction that defines the current video mode.
@retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.
@retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
@retval EFI_UNSUPPORTED ModeNumber is not supported by this device.
**/
FRAME_BUFFER_CONFIGURE *fbconf;
EFI_STATUS
EFIAPI
EmuGopSetMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber
)
{
GOP_PRIVATE_DATA *Private;
GOP_MODE_DATA *ModeData;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill;
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
UINTN confsize = 0;
fbconf = NULL;
Private = GOP_PRIVATE_DATA_FROM_THIS (This);
if (ModeNumber >= This->Mode->MaxMode) {
// Tell bhyve that we are switching out of vesa
BhyveSetGraphicsMode (Private, 0, 0, 0);
return EFI_UNSUPPORTED;
}
DEBUG ((DEBUG_INFO, "BHYVE GopSetMode %d\n", ModeNumber));
ModeData = &Private->ModeData[ModeNumber];
This->Mode->Mode = ModeNumber;
Private->GraphicsOutput.Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
Private->GraphicsOutput.Mode->Info->VerticalResolution = ModeData->VerticalResolution;
Private->GraphicsOutput.Mode->Info->PixelsPerScanLine = ModeData->HorizontalResolution;
Info = This->Mode->Info;
BhyveGopCompleteModeInfo (ModeData, Info);
This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
This->Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
This->Mode->FrameBufferBase = Private->GraphicsOutput.Mode->FrameBufferBase;
/*
This->Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution
* ((ModeData->ColorDepth + 7) / 8);
*/
This->Mode->FrameBufferSize = Private->FbSize;
DEBUG ((DEBUG_INFO, "BHYVE GOP FrameBufferBase: 0x%x, FrameBufferSize: 0x%x\n", This->Mode->FrameBufferBase, This->Mode->FrameBufferSize));
BhyveSetGraphicsMode (Private, (UINT16)ModeData->HorizontalResolution, (UINT16)ModeData->VerticalResolution, (UINT16)ModeData->ColorDepth);
RETURN_STATUS ret = FrameBufferBltConfigure (
(VOID *)(UINTN)This->Mode->FrameBufferBase,
This->Mode->Info,
fbconf,
&confsize
);
if ((ret == EFI_BUFFER_TOO_SMALL) || (ret == EFI_INVALID_PARAMETER)) {
fbconf = AllocatePool (confsize);
ret = FrameBufferBltConfigure (
(VOID *)(UINTN)This->Mode->FrameBufferBase,
This->Mode->Info,
fbconf,
&confsize
);
ASSERT (ret == EFI_SUCCESS);
}
Fill.Red = 0;
Fill.Green = 0;
Fill.Blue = 0;
This->Blt (
This,
&Fill,
EfiBltVideoFill,
0,
0,
0,
0,
ModeData->HorizontalResolution,
ModeData->VerticalResolution,
ModeData->HorizontalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
);
return EFI_SUCCESS;
}
/**
Blt a rectangle of pixels on the graphics screen. Blt stands for BLock Transfer.
@param This Protocol instance pointer.
@param BltBuffer Buffer containing data to blit into video buffer. This
buffer has a size of Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
@param BltOperation Operation to perform on BlitBuffer and video memory
@param SourceX X coordinate of source for the BltBuffer.
@param SourceY Y coordinate of source for the BltBuffer.
@param DestinationX X coordinate of destination for the BltBuffer.
@param DestinationY Y coordinate of destination for the BltBuffer.
@param Width Width of rectangle in BltBuffer in pixels.
@param Height Hight of rectangle in BltBuffer in pixels.
@param Delta OPTIONAL
@retval EFI_SUCCESS The Blt operation completed.
@retval EFI_INVALID_PARAMETER BltOperation is not valid.
@retval EFI_DEVICE_ERROR A hardware error occurred writting to the video buffer.
**/
EFI_STATUS
EFIAPI
EmuGopBlt (
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 OPTIONAL
)
{
EFI_TPL OriginalTPL;
EFI_STATUS Status;
if ((UINT32)BltOperation >= EfiGraphicsOutputBltOperationMax) {
return EFI_INVALID_PARAMETER;
}
if ((Width == 0) || (Height == 0)) {
return EFI_INVALID_PARAMETER;
}
//
// 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 (
fbconf,
BltBuffer,
BltOperation,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
break;
default:
Status = EFI_INVALID_PARAMETER;
ASSERT (FALSE);
}
gBS->RestoreTPL (OriginalTPL);
return Status;
}
//
// Construction and Destruction functions
//
EFI_STATUS
EmuGopConstructor (
GOP_PRIVATE_DATA *Private
)
{
// Set mode 0 to be the requested resolution
mGopModeData[0].HorizontalResolution = PcdGet32 (PcdVideoHorizontalResolution);
mGopModeData[0].VerticalResolution = PcdGet32 (PcdVideoVerticalResolution);
Private->ModeData = mGopModeData;
Private->GraphicsOutput.QueryMode = EmuGopQuerytMode;
Private->GraphicsOutput.SetMode = EmuGopSetMode;
Private->GraphicsOutput.Blt = EmuGopBlt;
//
// Allocate buffer for Graphics Output Protocol mode information
//
Private->GraphicsOutput.Mode = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE));
if (Private->GraphicsOutput.Mode == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Private->GraphicsOutput.Mode->Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
if (Private->GraphicsOutput.Mode->Info == NULL) {
return EFI_OUT_OF_RESOURCES;
}
DEBUG ((DEBUG_INFO, "BHYVE Gop Constructor\n"));
Private->GraphicsOutput.Mode->MaxMode = sizeof (mGopModeData) / sizeof (GOP_MODE_DATA);
//
// Till now, we have no idea about the window size.
//
Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALID_MODE_NUMBER;
Private->GraphicsOutput.Mode->Info->Version = 0;
Private->GraphicsOutput.Mode->Info->HorizontalResolution = 0;
Private->GraphicsOutput.Mode->Info->VerticalResolution = 0;
Private->GraphicsOutput.Mode->Info->PixelFormat = PixelBitMask;
Private->GraphicsOutput.Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
Private->GraphicsOutput.Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS)Private->FbAddr;
Private->GraphicsOutput.Mode->FrameBufferSize = Private->FbSize;
return EFI_SUCCESS;
}
EFI_STATUS
EmuGopDestructor (
GOP_PRIVATE_DATA *Private
)
{
//
// Free graphics output protocol occupied resource
//
if (Private->GraphicsOutput.Mode != NULL) {
if (Private->GraphicsOutput.Mode->Info != NULL) {
FreePool (Private->GraphicsOutput.Mode->Info);
}
FreePool (Private->GraphicsOutput.Mode);
Private->GraphicsOutput.Mode = NULL;
}
return EFI_SUCCESS;
}
VOID
EFIAPI
ShutdownGopEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
/*++
Routine Description:
This is the UGA screen's callback notification function for exit-boot-services.
All we do here is call EmuGopDestructor().
Arguments:
Event - not used
Context - pointer to the Private structure.
Returns:
None.
**/
{
EmuGopDestructor (Context);
}
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