mirror of https://github.com/acidanthera/audk.git
388 lines
11 KiB
C
388 lines
11 KiB
C
/** @file
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Graphics Output Protocol functions for the QEMU video controller.
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Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "Qemu.h"
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#include <IndustryStandard/Acpi.h>
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#include <Library/BltLib.h>
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STATIC
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VOID
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QemuVideoCompleteModeInfo (
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IN QEMU_VIDEO_MODE_DATA *ModeData,
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OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info
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)
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{
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Info->Version = 0;
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if (ModeData->ColorDepth == 8) {
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Info->PixelFormat = PixelBitMask;
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Info->PixelInformation.RedMask = PIXEL_RED_MASK;
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Info->PixelInformation.GreenMask = PIXEL_GREEN_MASK;
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Info->PixelInformation.BlueMask = PIXEL_BLUE_MASK;
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Info->PixelInformation.ReservedMask = 0;
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} else if (ModeData->ColorDepth == 24) {
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Info->PixelFormat = PixelBitMask;
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Info->PixelInformation.RedMask = PIXEL24_RED_MASK;
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Info->PixelInformation.GreenMask = PIXEL24_GREEN_MASK;
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Info->PixelInformation.BlueMask = PIXEL24_BLUE_MASK;
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Info->PixelInformation.ReservedMask = 0;
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} else if (ModeData->ColorDepth == 32) {
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DEBUG ((EFI_D_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));
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Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
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}
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Info->PixelsPerScanLine = Info->HorizontalResolution;
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}
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STATIC
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EFI_STATUS
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QemuVideoCompleteModeData (
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IN QEMU_VIDEO_PRIVATE_DATA *Private,
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OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode
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)
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{
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EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
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EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *FrameBufDesc;
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QEMU_VIDEO_MODE_DATA *ModeData;
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ModeData = &Private->ModeData[Mode->Mode];
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Info = Mode->Info;
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QemuVideoCompleteModeInfo (ModeData, Info);
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Private->PciIo->GetBarAttributes (
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Private->PciIo,
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0,
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NULL,
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(VOID**) &FrameBufDesc
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);
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Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;
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Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;
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Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);
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DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%Lx, FrameBufferSize: 0x%Lx\n",
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Mode->FrameBufferBase, (UINT64)Mode->FrameBufferSize));
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FreePool (FrameBufDesc);
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return EFI_SUCCESS;
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}
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//
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// Graphics Output Protocol Member Functions
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//
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EFI_STATUS
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EFIAPI
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QemuVideoGraphicsOutputQueryMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN UINT32 ModeNumber,
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OUT UINTN *SizeOfInfo,
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OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
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)
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/*++
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Routine Description:
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Graphics Output protocol interface to query video mode
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Arguments:
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This - Protocol instance pointer.
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ModeNumber - The mode number to return information on.
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Info - Caller allocated buffer that returns information about ModeNumber.
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SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
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Returns:
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EFI_SUCCESS - Mode information returned.
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EFI_BUFFER_TOO_SMALL - The Info buffer was too small.
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EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
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EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
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EFI_INVALID_PARAMETER - One of the input args was NULL.
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--*/
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{
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QEMU_VIDEO_PRIVATE_DATA *Private;
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QEMU_VIDEO_MODE_DATA *ModeData;
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Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
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if (Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {
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return EFI_INVALID_PARAMETER;
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}
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*Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
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if (*Info == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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*SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
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ModeData = &Private->ModeData[ModeNumber];
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(*Info)->HorizontalResolution = ModeData->HorizontalResolution;
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(*Info)->VerticalResolution = ModeData->VerticalResolution;
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QemuVideoCompleteModeInfo (ModeData, *Info);
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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QemuVideoGraphicsOutputSetMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN UINT32 ModeNumber
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)
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/*++
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Routine Description:
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Graphics Output protocol interface to set video mode
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Arguments:
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This - Protocol instance pointer.
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ModeNumber - The mode number to be set.
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Returns:
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EFI_SUCCESS - Graphics mode was changed.
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EFI_DEVICE_ERROR - The device had an error and could not complete the request.
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EFI_UNSUPPORTED - ModeNumber is not supported by this device.
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--*/
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{
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QEMU_VIDEO_PRIVATE_DATA *Private;
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QEMU_VIDEO_MODE_DATA *ModeData;
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// UINTN Count;
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Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
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if (ModeNumber >= This->Mode->MaxMode) {
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return EFI_UNSUPPORTED;
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}
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ModeData = &Private->ModeData[ModeNumber];
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if (Private->LineBuffer) {
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gBS->FreePool (Private->LineBuffer);
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}
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Private->LineBuffer = AllocatePool (4 * ModeData->HorizontalResolution);
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if (Private->LineBuffer == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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switch (Private->Variant) {
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case QEMU_VIDEO_CIRRUS_5430:
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case QEMU_VIDEO_CIRRUS_5446:
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InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->InternalModeIndex]);
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break;
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case QEMU_VIDEO_BOCHS_MMIO:
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case QEMU_VIDEO_BOCHS:
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InitializeBochsGraphicsMode (Private, &QemuVideoBochsModes[ModeData->InternalModeIndex]);
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break;
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default:
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ASSERT (FALSE);
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gBS->FreePool (Private->LineBuffer);
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Private->LineBuffer = NULL;
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return EFI_DEVICE_ERROR;
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}
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This->Mode->Mode = ModeNumber;
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This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
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This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
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This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
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QemuVideoCompleteModeData (Private, This->Mode);
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BltLibConfigure (
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(VOID*)(UINTN) This->Mode->FrameBufferBase,
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This->Mode->Info
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);
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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QemuVideoGraphicsOutputBlt (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta
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)
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/*++
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Routine Description:
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Graphics Output protocol instance to block transfer for CirrusLogic device
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Arguments:
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This - Pointer to Graphics Output protocol instance
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BltBuffer - The data to transfer to screen
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BltOperation - The operation to perform
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SourceX - The X coordinate of the source for BltOperation
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SourceY - The Y coordinate of the source for BltOperation
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DestinationX - The X coordinate of the destination for BltOperation
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DestinationY - The Y coordinate of the destination for BltOperation
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Width - The width of a rectangle in the blt rectangle in pixels
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Height - The height of a rectangle in the blt rectangle in pixels
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Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
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If a Delta of 0 is used, the entire BltBuffer will be operated on.
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If a subrectangle of the BltBuffer is used, then Delta represents
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the number of bytes in a row of the BltBuffer.
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Returns:
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EFI_INVALID_PARAMETER - Invalid parameter passed in
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EFI_SUCCESS - Blt operation success
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--*/
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{
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EFI_STATUS Status;
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EFI_TPL OriginalTPL;
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//
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// We have to raise to TPL Notify, so we make an atomic write the frame buffer.
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// We would not want a timer based event (Cursor, ...) to come in while we are
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// doing this operation.
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//
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OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
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switch (BltOperation) {
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case EfiBltVideoToBltBuffer:
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case EfiBltBufferToVideo:
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case EfiBltVideoFill:
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case EfiBltVideoToVideo:
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Status = BltLibGopBlt (
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BltBuffer,
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BltOperation,
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SourceX,
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SourceY,
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DestinationX,
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DestinationY,
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Width,
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Height,
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Delta
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);
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break;
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default:
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Status = EFI_INVALID_PARAMETER;
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ASSERT (FALSE);
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}
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gBS->RestoreTPL (OriginalTPL);
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return Status;
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}
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EFI_STATUS
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QemuVideoGraphicsOutputConstructor (
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QEMU_VIDEO_PRIVATE_DATA *Private
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)
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{
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EFI_STATUS Status;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
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GraphicsOutput = &Private->GraphicsOutput;
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GraphicsOutput->QueryMode = QemuVideoGraphicsOutputQueryMode;
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GraphicsOutput->SetMode = QemuVideoGraphicsOutputSetMode;
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GraphicsOutput->Blt = QemuVideoGraphicsOutputBlt;
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//
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// Initialize the private data
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//
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
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(VOID **) &Private->GraphicsOutput.Mode
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
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(VOID **) &Private->GraphicsOutput.Mode->Info
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);
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if (EFI_ERROR (Status)) {
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goto FreeMode;
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}
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Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;
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Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
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Private->LineBuffer = NULL;
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//
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// Initialize the hardware
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//
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Status = GraphicsOutput->SetMode (GraphicsOutput, 0);
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if (EFI_ERROR (Status)) {
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goto FreeInfo;
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}
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DrawLogo (
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Private,
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Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,
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Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution
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);
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return EFI_SUCCESS;
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FreeInfo:
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FreePool (Private->GraphicsOutput.Mode->Info);
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FreeMode:
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FreePool (Private->GraphicsOutput.Mode);
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Private->GraphicsOutput.Mode = NULL;
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return Status;
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}
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EFI_STATUS
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QemuVideoGraphicsOutputDestructor (
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QEMU_VIDEO_PRIVATE_DATA *Private
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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None
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--*/
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{
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if (Private->LineBuffer != NULL) {
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FreePool (Private->LineBuffer);
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}
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if (Private->GraphicsOutput.Mode != NULL) {
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if (Private->GraphicsOutput.Mode->Info != NULL) {
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gBS->FreePool (Private->GraphicsOutput.Mode->Info);
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}
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gBS->FreePool (Private->GraphicsOutput.Mode);
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}
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return EFI_SUCCESS;
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}
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