+++ /dev/null
-/*++
-
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
-Portions copyright (c) 2010, Apple, Inc. 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.
-
-Module Name:
-
- UnixGopScreen.c
-
-Abstract:
-
- This file produces the graphics abstration of UGA. It is called by
- UnixGopDriver.c file which deals with the EFI 1.1 driver model.
- This file just does graphics.
-
---*/
-
-#include "UnixGop.h"
-
-EFI_UNIX_THUNK_PROTOCOL *mUnix;
-EFI_EVENT mGopScreenExitBootServicesEvent;
-
-GOP_MODE_DATA mGopModeData[] = {
- { 800, 600, 0, 0 },
- { 640, 480, 0, 0 },
- { 720, 400, 0, 0 },
- {1024, 768, 0, 0 },
- {1280, 1024, 0, 0 }
- };
-
-
-EFI_STATUS
-UnixGopStartWindow (
- IN GOP_PRIVATE_DATA *Private,
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- IN UINT32 ColorDepth,
- IN UINT32 RefreshRate
- );
-
-VOID
-EFIAPI
-KillUgaGopThread (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-//
-// UGA Protocol Member Functions
-//
-
-EFI_STATUS
-EFIAPI
-UnixGopQuerytMode (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
- IN UINT32 ModeNumber,
- OUT UINTN *SizeOfInfo,
- OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
- )
-{
- GOP_PRIVATE_DATA *Private;
-
- 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);
-
- (*Info)->Version = 0;
- (*Info)->HorizontalResolution = Private->ModeData[ModeNumber].HorizontalResolution;
- (*Info)->VerticalResolution = Private->ModeData[ModeNumber].VerticalResolution;
- (*Info)->PixelFormat = PixelBltOnly;
- (*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution;
-
- return EFI_SUCCESS;
-}
-
-
-
-EFI_STATUS
-EFIAPI
-UnixGopSetMode (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
- IN UINT32 ModeNumber
- )
-{
- EFI_STATUS Status;
- GOP_PRIVATE_DATA *Private;
- GOP_MODE_DATA *ModeData;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill;
-
- Private = GOP_PRIVATE_DATA_FROM_THIS (This);
-
- if (ModeNumber >= This->Mode->MaxMode) {
- return EFI_UNSUPPORTED;
- }
-
- 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;
-
- if (Private->HardwareNeedsStarting) {
- Status = UnixGopStartWindow (
- Private,
- ModeData->HorizontalResolution,
- ModeData->VerticalResolution,
- ModeData->ColorDepth,
- ModeData->RefreshRate
- );
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
-
- Private->HardwareNeedsStarting = FALSE;
- }
-
-
- Status = Private->UgaIo->UgaSize(
- Private->UgaIo,
- ModeData->HorizontalResolution,
- ModeData->VerticalResolution
- );
-
-
- Fill.Red = 0x7f;
- Fill.Green = 0x7F;
- Fill.Blue = 0x7f;
- This->Blt (
- This,
- &Fill,
- EfiBltVideoFill,
- 0,
- 0,
- 0,
- 0,
- ModeData->HorizontalResolution,
- ModeData->VerticalResolution,
- ModeData->HorizontalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
- );
- return EFI_SUCCESS;
-}
-
-
-
-EFI_STATUS
-EFIAPI
-UnixGopBlt (
- 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
- )
-{
- GOP_PRIVATE_DATA *Private;
- EFI_TPL OriginalTPL;
- EFI_STATUS Status;
- UGA_BLT_ARGS GopBltArgs;
-
- Private = GOP_PRIVATE_DATA_FROM_THIS (This);
-
- if ((BltOperation < 0) || (BltOperation >= EfiGraphicsOutputBltOperationMax)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (Width == 0 || Height == 0) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // If Delta is zero, then the entire BltBuffer is being used, so Delta
- // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,
- // the number of bytes in each row can be computed.
- //
- if (Delta == 0) {
- Delta = Width * sizeof (EFI_UGA_PIXEL);
- }
-
- //
- // 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);
-
- //
- // Pack UGA Draw protocol parameters to UGA_BLT_ARGS structure to adapt to
- // GopBlt() API of Unix UGA IO protocol.
- //
- GopBltArgs.DestinationX = DestinationX;
- GopBltArgs.DestinationY = DestinationY;
- GopBltArgs.Height = Height;
- GopBltArgs.Width = Width;
- GopBltArgs.SourceX = SourceX;
- GopBltArgs.SourceY = SourceY;
- GopBltArgs.Delta = Delta;
- Status = Private->UgaIo->UgaBlt (
- Private->UgaIo,
- (EFI_UGA_PIXEL *)BltBuffer,
- (EFI_UGA_BLT_OPERATION)BltOperation,
- &GopBltArgs
- );
-
- gBS->RestoreTPL (OriginalTPL);
-
- return Status;
-}
-
-
-//
-// Construction and Destruction functions
-//
-
-EFI_STATUS
-UnixGopSupported (
- IN EFI_UNIX_IO_PROTOCOL *UnixIo
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
- None
-
---*/
-// TODO: UnixIo - add argument and description to function comment
-// TODO: EFI_UNSUPPORTED - add return value to function comment
-// TODO: EFI_SUCCESS - add return value to function comment
-{
- //
- // Check to see if the IO abstraction represents a device type we support.
- //
- // This would be replaced a check of PCI subsystem ID, etc.
- //
- if (!CompareGuid (UnixIo->TypeGuid, &gEfiUnixGopGuid)) {
- return EFI_UNSUPPORTED;
- }
-
- return EFI_SUCCESS;
-}
-
-
-VOID
-EFIAPI
-GopPrivateInvokeRegisteredFunction (
- IN VOID *Context,
- IN EFI_KEY_DATA *KeyData
- );
-
-
-EFI_STATUS
-UnixGopStartWindow (
- IN GOP_PRIVATE_DATA *Private,
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- IN UINT32 ColorDepth,
- IN UINT32 RefreshRate
- )
-{
- EFI_STATUS Status;
-
- mUnix = Private->UnixThunk;
-
- //
- // Register to be notified on exit boot services so we can destroy the window.
- //
- Status = gBS->CreateEvent (
- EVT_SIGNAL_EXIT_BOOT_SERVICES,
- TPL_CALLBACK,
- KillUgaGopThread,
- Private,
- &mGopScreenExitBootServicesEvent
- );
-
- Status = Private->UnixThunk->UgaCreate (&Private->UgaIo, Private->WindowName);
- if (!EFI_ERROR (Status)) {
- // Register callback to support RegisterKeyNotify()
- Status = Private->UgaIo->UgaRegisterKeyNotify (Private->UgaIo, GopPrivateInvokeRegisteredFunction, Private);
- ASSERT_EFI_ERROR (Status);
- }
- return Status;
-}
-
-EFI_STATUS
-UnixGopConstructor (
- GOP_PRIVATE_DATA *Private
- )
-{
- Private->ModeData = mGopModeData;
-
- Private->GraphicsOutput.QueryMode = UnixGopQuerytMode;
- Private->GraphicsOutput.SetMode = UnixGopSetMode;
- Private->GraphicsOutput.Blt = UnixGopBlt;
-
- //
- // 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;
- }
-
- 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_INVALIDE_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 = PixelBltOnly;
- Private->GraphicsOutput.Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
- Private->GraphicsOutput.Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) (UINTN) NULL;
- Private->GraphicsOutput.Mode->FrameBufferSize = 0;
-
- Private->HardwareNeedsStarting = TRUE;
- Private->UgaIo = NULL;
-
- UnixGopInitializeSimpleTextInForWindow (Private);
-
- UnixGopInitializeSimplePointerForWindow (Private);
-
- return EFI_SUCCESS;
-}
-
-
-
-EFI_STATUS
-UnixGopDestructor (
- GOP_PRIVATE_DATA *Private
- )
-{
- if (!Private->HardwareNeedsStarting) {
- Private->UgaIo->UgaClose (Private->UgaIo);
- Private->UgaIo = NULL;
- }
-
- //
- // 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);
- }
-
- return EFI_SUCCESS;
-}
-
-VOID
-EFIAPI
-KillUgaGopThread (
- 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 UnixGopDestructor().
-
-Arguments:
-
- Event - not used
- Context - pointer to the Private structure.
-
-Returns:
-
- None.
-
---*/
-{
- EFI_STATUS Status;
- Status = UnixGopDestructor (Context);
-}
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