[mirror_edk2.git] / OvmfPkg / QemuVideoDxe / Gop.c

/** @file\r
  Graphics Output Protocol functions for the QEMU video controller.\r
\r
  Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r
\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution. The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "Qemu.h"\r
#include <IndustryStandard/Acpi.h>\r
#include <Library/BltLib.h>\r
\r
STATIC\r
VOID\r
QemuVideoCompleteModeInfo (\r
  IN  QEMU_VIDEO_MODE_DATA           *ModeData,\r
  OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info\r
  )\r
{\r
  Info->Version = 0;\r
  if (ModeData->ColorDepth == 8) {\r
    Info->PixelFormat = PixelBitMask;\r
    Info->PixelInformation.RedMask = PIXEL_RED_MASK;\r
    Info->PixelInformation.GreenMask = PIXEL_GREEN_MASK;\r
    Info->PixelInformation.BlueMask = PIXEL_BLUE_MASK;\r
    Info->PixelInformation.ReservedMask = 0;\r
  } else if (ModeData->ColorDepth == 24) {\r
    Info->PixelFormat = PixelBitMask;\r
    Info->PixelInformation.RedMask = PIXEL24_RED_MASK;\r
    Info->PixelInformation.GreenMask = PIXEL24_GREEN_MASK;\r
    Info->PixelInformation.BlueMask = PIXEL24_BLUE_MASK;\r
    Info->PixelInformation.ReservedMask = 0;\r
  } else if (ModeData->ColorDepth == 32) {\r
    DEBUG ((EFI_D_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));\r
    Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;\r
  }\r
  Info->PixelsPerScanLine = Info->HorizontalResolution;\r
}\r
\r
\r
STATIC\r
EFI_STATUS\r
QemuVideoCompleteModeData (\r
  IN  QEMU_VIDEO_PRIVATE_DATA           *Private,\r
  OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode\r
  )\r
{\r
  EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info;\r
  EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR     *FrameBufDesc;\r
  QEMU_VIDEO_MODE_DATA           *ModeData;\r
\r
  ModeData = &Private->ModeData[Mode->Mode];\r
  Info = Mode->Info;\r
  QemuVideoCompleteModeInfo (ModeData, Info);\r
\r
  Private->PciIo->GetBarAttributes (\r
                        Private->PciIo,\r
                        0,\r
                        NULL,\r
                        (VOID**) &FrameBufDesc\r
                        );\r
\r
  Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;\r
  Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;\r
  Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);\r
  DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%x, FrameBufferSize: 0x%x\n", Mode->FrameBufferBase, Mode->FrameBufferSize));\r
\r
  return EFI_SUCCESS;\r
}\r
\r
\r
//\r
// Graphics Output Protocol Member Functions\r
//\r
EFI_STATUS\r
EFIAPI\r
QemuVideoGraphicsOutputQueryMode (\r
  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL          *This,\r
  IN  UINT32                                ModeNumber,\r
  OUT UINTN                                 *SizeOfInfo,\r
  OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  **Info\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Graphics Output protocol interface to query video mode\r
\r
  Arguments:\r
    This                  - Protocol instance pointer.\r
    ModeNumber            - The mode number to return information on.\r
    Info                  - Caller allocated buffer that returns information about ModeNumber.\r
    SizeOfInfo            - A pointer to the size, in bytes, of the Info buffer.\r
\r
  Returns:\r
    EFI_SUCCESS           - Mode information returned.\r
    EFI_BUFFER_TOO_SMALL  - The Info buffer was too small.\r
    EFI_DEVICE_ERROR      - A hardware error occurred trying to retrieve the video mode.\r
    EFI_NOT_STARTED       - Video display is not initialized. Call SetMode ()\r
    EFI_INVALID_PARAMETER - One of the input args was NULL.\r
\r
--*/\r
{\r
  QEMU_VIDEO_PRIVATE_DATA  *Private;\r
  QEMU_VIDEO_MODE_DATA     *ModeData;\r
\r
  Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);\r
\r
  if (Private->HardwareNeedsStarting) {\r
    return EFI_NOT_STARTED;\r
  }\r
\r
  if (Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r
  if (*Info == NULL) {\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
\r
  *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
\r
  ModeData = &Private->ModeData[ModeNumber];\r
  (*Info)->HorizontalResolution = ModeData->HorizontalResolution;\r
  (*Info)->VerticalResolution   = ModeData->VerticalResolution;\r
  QemuVideoCompleteModeInfo (ModeData, *Info);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
QemuVideoGraphicsOutputSetMode (\r
  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
  IN  UINT32                       ModeNumber\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Graphics Output protocol interface to set video mode\r
\r
  Arguments:\r
    This             - Protocol instance pointer.\r
    ModeNumber       - The mode number to be set.\r
\r
  Returns:\r
    EFI_SUCCESS      - Graphics mode was changed.\r
    EFI_DEVICE_ERROR - The device had an error and could not complete the request.\r
    EFI_UNSUPPORTED  - ModeNumber is not supported by this device.\r
\r
--*/\r
{\r
  QEMU_VIDEO_PRIVATE_DATA    *Private;\r
  QEMU_VIDEO_MODE_DATA       *ModeData;\r
//  UINTN                             Count;\r
\r
  Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);\r
\r
  if (ModeNumber >= This->Mode->MaxMode) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  ModeData = &Private->ModeData[ModeNumber];\r
\r
  if (Private->LineBuffer) {\r
    gBS->FreePool (Private->LineBuffer);\r
  }\r
\r
  Private->LineBuffer = NULL;\r
  Private->LineBuffer = AllocatePool (4 * ModeData->HorizontalResolution);\r
  if (Private->LineBuffer == NULL) {\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
\r
  switch (Private->Variant) {\r
  case QEMU_VIDEO_CIRRUS_5430:\r
  case QEMU_VIDEO_CIRRUS_5446:\r
    InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->ModeNumber]);\r
    break;\r
  default:\r
    ASSERT (FALSE);\r
    gBS->FreePool (Private->LineBuffer);\r
    Private->LineBuffer = NULL;\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  This->Mode->Mode = ModeNumber;\r
  This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;\r
  This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;\r
  This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
\r
  QemuVideoCompleteModeData (Private, This->Mode);\r
\r
  BltLibConfigure (\r
    (VOID*)(UINTN) This->Mode->FrameBufferBase,\r
    This->Mode->Info\r
    );\r
\r
  Private->HardwareNeedsStarting  = FALSE;\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
QemuVideoGraphicsOutputBlt (\r
  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL          *This,\r
  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer, OPTIONAL\r
  IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION     BltOperation,\r
  IN  UINTN                                 SourceX,\r
  IN  UINTN                                 SourceY,\r
  IN  UINTN                                 DestinationX,\r
  IN  UINTN                                 DestinationY,\r
  IN  UINTN                                 Width,\r
  IN  UINTN                                 Height,\r
  IN  UINTN                                 Delta\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Graphics Output protocol instance to block transfer for CirrusLogic device\r
\r
Arguments:\r
\r
  This          - Pointer to Graphics Output protocol instance\r
  BltBuffer     - The data to transfer to screen\r
  BltOperation  - The operation to perform\r
  SourceX       - The X coordinate of the source for BltOperation\r
  SourceY       - The Y coordinate of the source for BltOperation\r
  DestinationX  - The X coordinate of the destination for BltOperation\r
  DestinationY  - The Y coordinate of the destination for BltOperation\r
  Width         - The width of a rectangle in the blt rectangle in pixels\r
  Height        - The height of a rectangle in the blt rectangle in pixels\r
  Delta         - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.\r
                  If a Delta of 0 is used, the entire BltBuffer will be operated on.\r
                  If a subrectangle of the BltBuffer is used, then Delta represents\r
                  the number of bytes in a row of the BltBuffer.\r
\r
Returns:\r
\r
  EFI_INVALID_PARAMETER - Invalid parameter passed in\r
  EFI_SUCCESS - Blt operation success\r
\r
--*/\r
{\r
  EFI_STATUS                      Status;\r
  EFI_TPL                         OriginalTPL;\r
\r
  //\r
  // We have to raise to TPL Notify, so we make an atomic write the frame buffer.\r
  // We would not want a timer based event (Cursor, ...) to come in while we are\r
  // doing this operation.\r
  //\r
  OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);\r
\r
  switch (BltOperation) {\r
  case EfiBltVideoToBltBuffer:\r
  case EfiBltBufferToVideo:\r
  case EfiBltVideoFill:\r
  case EfiBltVideoToVideo:\r
    Status = BltLibGopBlt (\r
      BltBuffer,\r
      BltOperation,\r
      SourceX,\r
      SourceY,\r
      DestinationX,\r
      DestinationY,\r
      Width,\r
      Height,\r
      Delta\r
      );\r
    break;\r
\r
  default:\r
    Status = EFI_INVALID_PARAMETER;\r
    ASSERT (FALSE);\r
  }\r
\r
  gBS->RestoreTPL (OriginalTPL);\r
\r
  return Status;\r
}\r
\r
EFI_STATUS\r
QemuVideoGraphicsOutputConstructor (\r
  QEMU_VIDEO_PRIVATE_DATA  *Private\r
  )\r
{\r
  EFI_STATUS                   Status;\r
  EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
\r
\r
  GraphicsOutput            = &Private->GraphicsOutput;\r
  GraphicsOutput->QueryMode = QemuVideoGraphicsOutputQueryMode;\r
  GraphicsOutput->SetMode   = QemuVideoGraphicsOutputSetMode;\r
  GraphicsOutput->Blt       = QemuVideoGraphicsOutputBlt;\r
\r
  //\r
  // Initialize the private data\r
  //\r
  Status = gBS->AllocatePool (\r
                  EfiBootServicesData,\r
                  sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),\r
                  (VOID **) &Private->GraphicsOutput.Mode\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  Status = gBS->AllocatePool (\r
                  EfiBootServicesData,\r
                  sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),\r
                  (VOID **) &Private->GraphicsOutput.Mode->Info\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;\r
  Private->GraphicsOutput.Mode->Mode    = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;\r
  Private->HardwareNeedsStarting        = TRUE;\r
  Private->LineBuffer                   = NULL;\r
\r
  //\r
  // Initialize the hardware\r
  //\r
  GraphicsOutput->SetMode (GraphicsOutput, 0);\r
  DrawLogo (\r
    Private,\r
    Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,\r
    Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution\r
    );\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
QemuVideoGraphicsOutputDestructor (\r
  QEMU_VIDEO_PRIVATE_DATA  *Private\r
  )\r
/*++\r
\r
Routine Description:\r
\r
Arguments:\r
\r
Returns:\r
\r
  None\r
\r
--*/\r
{\r
  if (Private->GraphicsOutput.Mode != NULL) {\r
    if (Private->GraphicsOutput.Mode->Info != NULL) {\r
      gBS->FreePool (Private->GraphicsOutput.Mode->Info);\r
    }\r
    gBS->FreePool (Private->GraphicsOutput.Mode);\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
\r
\r
Commit	Line	Data
eaf4f336	1	/** @file\r
	2	Graphics Output Protocol functions for the QEMU video controller.\r
	3	\r
	4	Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r
	5	\r
	6	This program and the accompanying materials\r
	7	are licensed and made available under the terms and conditions of the BSD License\r
	8	which accompanies this distribution. The full text of the license may be found at\r
	9	http://opensource.org/licenses/bsd-license.php\r
	10	\r
	11	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	12	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	13	\r
	14	**/\r
	15	\r
	16	#include "Qemu.h"\r
	17	#include <IndustryStandard/Acpi.h>\r
	18	#include <Library/BltLib.h>\r
	19	\r
	20	STATIC\r
	21	VOID\r
	22	QemuVideoCompleteModeInfo (\r
	23	IN QEMU_VIDEO_MODE_DATA *ModeData,\r
	24	OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info\r
	25	)\r
	26	{\r
	27	Info->Version = 0;\r
	28	if (ModeData->ColorDepth == 8) {\r
	29	Info->PixelFormat = PixelBitMask;\r
	30	Info->PixelInformation.RedMask = PIXEL_RED_MASK;\r
	31	Info->PixelInformation.GreenMask = PIXEL_GREEN_MASK;\r
	32	Info->PixelInformation.BlueMask = PIXEL_BLUE_MASK;\r
	33	Info->PixelInformation.ReservedMask = 0;\r
	34	} else if (ModeData->ColorDepth == 24) {\r
	35	Info->PixelFormat = PixelBitMask;\r
	36	Info->PixelInformation.RedMask = PIXEL24_RED_MASK;\r
	37	Info->PixelInformation.GreenMask = PIXEL24_GREEN_MASK;\r
	38	Info->PixelInformation.BlueMask = PIXEL24_BLUE_MASK;\r
	39	Info->PixelInformation.ReservedMask = 0;\r
	40	} else if (ModeData->ColorDepth == 32) {\r
	41	DEBUG ((EFI_D_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));\r
	42	Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;\r
	43	}\r
	44	Info->PixelsPerScanLine = Info->HorizontalResolution;\r
	45	}\r
	46	\r
	47	\r
	48	STATIC\r
	49	EFI_STATUS\r
	50	QemuVideoCompleteModeData (\r
	51	IN QEMU_VIDEO_PRIVATE_DATA *Private,\r
	52	OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode\r
	53	)\r
	54	{\r
	55	EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r
	56	EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *FrameBufDesc;\r
	57	QEMU_VIDEO_MODE_DATA *ModeData;\r
	58	\r
	59	ModeData = &Private->ModeData[Mode->Mode];\r
	60	Info = Mode->Info;\r
	61	QemuVideoCompleteModeInfo (ModeData, Info);\r
	62	\r
	63	Private->PciIo->GetBarAttributes (\r
	64	Private->PciIo,\r
65	0,\r
66	NULL,\r
67	(VOID**) &FrameBufDesc\r
68	);\r
69	\r
70	Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;\r
71	Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;\r
72	Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);\r
73	DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%x, FrameBufferSize: 0x%x\n", Mode->FrameBufferBase, Mode->FrameBufferSize));\r
74	\r
75	return EFI_SUCCESS;\r
76	}\r
77	\r
78	\r
79	//\r
80	// Graphics Output Protocol Member Functions\r
81	//\r
82	EFI_STATUS\r
83	EFIAPI\r
84	QemuVideoGraphicsOutputQueryMode (\r
85	IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
86	IN UINT32 ModeNumber,\r
87	OUT UINTN *SizeOfInfo,\r
88	OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info\r
89	)\r
90	/*++\r
91	\r
92	Routine Description:\r
93	\r
94	Graphics Output protocol interface to query video mode\r
95	\r
96	Arguments:\r
97	This - Protocol instance pointer.\r
98	ModeNumber - The mode number to return information on.\r
99	Info - Caller allocated buffer that returns information about ModeNumber.\r
100	SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.\r
101	\r
102	Returns:\r
103	EFI_SUCCESS - Mode information returned.\r
104	EFI_BUFFER_TOO_SMALL - The Info buffer was too small.\r
105	EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.\r
106	EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()\r
107	EFI_INVALID_PARAMETER - One of the input args was NULL.\r
108	\r
109	--*/\r
110	{\r
111	QEMU_VIDEO_PRIVATE_DATA *Private;\r
112	QEMU_VIDEO_MODE_DATA *ModeData;\r
113	\r
114	Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);\r
115	\r
116	if (Private->HardwareNeedsStarting) {\r
117	return EFI_NOT_STARTED;\r
118	}\r
119	\r
120	if (Info == NULL \|\| SizeOfInfo == NULL \|\| ModeNumber >= This->Mode->MaxMode) {\r
121	return EFI_INVALID_PARAMETER;\r
122	}\r
123	\r
124	*Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r
125	if (*Info == NULL) {\r
126	return EFI_OUT_OF_RESOURCES;\r
127	}\r
128	\r
129	*SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
130	\r
131	ModeData = &Private->ModeData[ModeNumber];\r
132	(*Info)->HorizontalResolution = ModeData->HorizontalResolution;\r
133	(*Info)->VerticalResolution = ModeData->VerticalResolution;\r
134	QemuVideoCompleteModeInfo (ModeData, *Info);\r
135	\r
136	return EFI_SUCCESS;\r
137	}\r
138	\r
139	EFI_STATUS\r
140	EFIAPI\r
141	QemuVideoGraphicsOutputSetMode (\r
142	IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
143	IN UINT32 ModeNumber\r
144	)\r
145	/*++\r
146	\r
147	Routine Description:\r
148	\r
149	Graphics Output protocol interface to set video mode\r
150	\r
151	Arguments:\r
152	This - Protocol instance pointer.\r
153	ModeNumber - The mode number to be set.\r
154	\r
155	Returns:\r
156	EFI_SUCCESS - Graphics mode was changed.\r
157	EFI_DEVICE_ERROR - The device had an error and could not complete the request.\r
158	EFI_UNSUPPORTED - ModeNumber is not supported by this device.\r
159	\r
160	--*/\r
161	{\r
162	QEMU_VIDEO_PRIVATE_DATA *Private;\r
163	QEMU_VIDEO_MODE_DATA *ModeData;\r
164	// UINTN Count;\r
165	\r
166	Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);\r
167	\r
168	if (ModeNumber >= This->Mode->MaxMode) {\r
169	return EFI_UNSUPPORTED;\r
170	}\r
171	\r
172	ModeData = &Private->ModeData[ModeNumber];\r
173	\r
174	if (Private->LineBuffer) {\r
175	gBS->FreePool (Private->LineBuffer);\r
176	}\r
177	\r
178	Private->LineBuffer = NULL;\r
179	Private->LineBuffer = AllocatePool (4 * ModeData->HorizontalResolution);\r
180	if (Private->LineBuffer == NULL) {\r
181	return EFI_OUT_OF_RESOURCES;\r
182	}\r
183	\r
212aac55	184	switch (Private->Variant) {\r
	185	case QEMU_VIDEO_CIRRUS_5430:\r
	186	case QEMU_VIDEO_CIRRUS_5446:\r
	187	InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->ModeNumber]);\r
	188	break;\r
	189	default:\r
	190	ASSERT (FALSE);\r
	191	gBS->FreePool (Private->LineBuffer);\r
	192	Private->LineBuffer = NULL;\r
	193	return EFI_DEVICE_ERROR;\r
	194	}\r
eaf4f336	195	\r
	196	This->Mode->Mode = ModeNumber;\r
	197	This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;\r
	198	This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;\r
	199	This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
	200	\r
	201	QemuVideoCompleteModeData (Private, This->Mode);\r
	202	\r
	203	BltLibConfigure (\r
	204	(VOID*)(UINTN) This->Mode->FrameBufferBase,\r
	205	This->Mode->Info\r
	206	);\r
	207	\r
	208	Private->HardwareNeedsStarting = FALSE;\r
	209	\r
	210	return EFI_SUCCESS;\r
	211	}\r
	212	\r
	213	EFI_STATUS\r
	214	EFIAPI\r
	215	QemuVideoGraphicsOutputBlt (\r
	216	IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
	217	IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r
	218	IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r
	219	IN UINTN SourceX,\r
	220	IN UINTN SourceY,\r
	221	IN UINTN DestinationX,\r
	222	IN UINTN DestinationY,\r
	223	IN UINTN Width,\r
	224	IN UINTN Height,\r
	225	IN UINTN Delta\r
	226	)\r
	227	/*++\r
	228	\r
	229	Routine Description:\r
	230	\r
	231	Graphics Output protocol instance to block transfer for CirrusLogic device\r
	232	\r
	233	Arguments:\r
	234	\r
	235	This - Pointer to Graphics Output protocol instance\r
	236	BltBuffer - The data to transfer to screen\r
	237	BltOperation - The operation to perform\r
	238	SourceX - The X coordinate of the source for BltOperation\r
	239	SourceY - The Y coordinate of the source for BltOperation\r
	240	DestinationX - The X coordinate of the destination for BltOperation\r
	241	DestinationY - The Y coordinate of the destination for BltOperation\r
	242	Width - The width of a rectangle in the blt rectangle in pixels\r
	243	Height - The height of a rectangle in the blt rectangle in pixels\r
	244	Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.\r
	245	If a Delta of 0 is used, the entire BltBuffer will be operated on.\r
	246	If a subrectangle of the BltBuffer is used, then Delta represents\r
	247	the number of bytes in a row of the BltBuffer.\r
	248	\r
	249	Returns:\r
	250	\r
	251	EFI_INVALID_PARAMETER - Invalid parameter passed in\r
	252	EFI_SUCCESS - Blt operation success\r
	253	\r
	254	--*/\r
	255	{\r
	256	EFI_STATUS Status;\r
	257	EFI_TPL OriginalTPL;\r
	258	\r
259	//\r
260	// We have to raise to TPL Notify, so we make an atomic write the frame buffer.\r
261	// We would not want a timer based event (Cursor, ...) to come in while we are\r
262	// doing this operation.\r
263	//\r
264	OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);\r
265	\r
266	switch (BltOperation) {\r
267	case EfiBltVideoToBltBuffer:\r
268	case EfiBltBufferToVideo:\r
269	case EfiBltVideoFill:\r
270	case EfiBltVideoToVideo:\r
271	Status = BltLibGopBlt (\r
272	BltBuffer,\r
273	BltOperation,\r
274	SourceX,\r
275	SourceY,\r
276	DestinationX,\r
277	DestinationY,\r
278	Width,\r
279	Height,\r
280	Delta\r
281	);\r
282	break;\r
283	\r
284	default:\r
285	Status = EFI_INVALID_PARAMETER;\r
286	ASSERT (FALSE);\r
287	}\r
288	\r
289	gBS->RestoreTPL (OriginalTPL);\r
290	\r
291	return Status;\r
292	}\r
293	\r
294	EFI_STATUS\r
295	QemuVideoGraphicsOutputConstructor (\r
296	QEMU_VIDEO_PRIVATE_DATA *Private\r
297	)\r
298	{\r
299	EFI_STATUS Status;\r
300	EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
301	\r
302	\r
303	GraphicsOutput = &Private->GraphicsOutput;\r
304	GraphicsOutput->QueryMode = QemuVideoGraphicsOutputQueryMode;\r
305	GraphicsOutput->SetMode = QemuVideoGraphicsOutputSetMode;\r
306	GraphicsOutput->Blt = QemuVideoGraphicsOutputBlt;\r
307	\r
308	//\r
309	// Initialize the private data\r
310	//\r
311	Status = gBS->AllocatePool (\r
312	EfiBootServicesData,\r
313	sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),\r
314	(VOID **) &Private->GraphicsOutput.Mode\r
315	);\r
316	if (EFI_ERROR (Status)) {\r
317	return Status;\r
318	}\r
319	Status = gBS->AllocatePool (\r
320	EfiBootServicesData,\r
321	sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),\r
322	(VOID **) &Private->GraphicsOutput.Mode->Info\r
323	);\r
324	if (EFI_ERROR (Status)) {\r
325	return Status;\r
326	}\r
327	Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;\r
328	Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;\r
329	Private->HardwareNeedsStarting = TRUE;\r
330	Private->LineBuffer = NULL;\r
331	\r
332	//\r
333	// Initialize the hardware\r
334	//\r
335	GraphicsOutput->SetMode (GraphicsOutput, 0);\r
336	DrawLogo (\r
337	Private,\r
338	Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,\r
339	Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution\r
340	);\r
341	\r
342	return EFI_SUCCESS;\r
343	}\r
344	\r
345	EFI_STATUS\r
346	QemuVideoGraphicsOutputDestructor (\r
347	QEMU_VIDEO_PRIVATE_DATA *Private\r
348	)\r
349	/*++\r
350	\r
351	Routine Description:\r
352	\r
353	Arguments:\r
354	\r
355	Returns:\r
356	\r
357	None\r
358	\r
359	--*/\r
360	{\r
361	if (Private->GraphicsOutput.Mode != NULL) {\r
362	if (Private->GraphicsOutput.Mode->Info != NULL) {\r
363	gBS->FreePool (Private->GraphicsOutput.Mode->Info);\r
364	}\r
365	gBS->FreePool (Private->GraphicsOutput.Mode);\r
366	}\r
367	\r
368	return EFI_SUCCESS;\r
369	}\r
370	\r
371	\r