2 Graphics Output Protocol functions for the QEMU video controller.
4 Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
20 QemuVideoCompleteModeInfo (
21 IN QEMU_VIDEO_MODE_DATA
*ModeData
,
22 OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
*Info
26 if (ModeData
->ColorDepth
== 8) {
27 Info
->PixelFormat
= PixelBitMask
;
28 Info
->PixelInformation
.RedMask
= PIXEL_RED_MASK
;
29 Info
->PixelInformation
.GreenMask
= PIXEL_GREEN_MASK
;
30 Info
->PixelInformation
.BlueMask
= PIXEL_BLUE_MASK
;
31 Info
->PixelInformation
.ReservedMask
= 0;
32 } else if (ModeData
->ColorDepth
== 24) {
33 Info
->PixelFormat
= PixelBitMask
;
34 Info
->PixelInformation
.RedMask
= PIXEL24_RED_MASK
;
35 Info
->PixelInformation
.GreenMask
= PIXEL24_GREEN_MASK
;
36 Info
->PixelInformation
.BlueMask
= PIXEL24_BLUE_MASK
;
37 Info
->PixelInformation
.ReservedMask
= 0;
38 } else if (ModeData
->ColorDepth
== 32) {
39 DEBUG ((EFI_D_INFO
, "PixelBlueGreenRedReserved8BitPerColor\n"));
40 Info
->PixelFormat
= PixelBlueGreenRedReserved8BitPerColor
;
42 Info
->PixelsPerScanLine
= Info
->HorizontalResolution
;
48 QemuVideoCompleteModeData (
49 IN QEMU_VIDEO_PRIVATE_DATA
*Private
,
50 OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE
*Mode
53 EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
*Info
;
54 EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR
*FrameBufDesc
;
55 QEMU_VIDEO_MODE_DATA
*ModeData
;
57 ModeData
= &Private
->ModeData
[Mode
->Mode
];
59 QemuVideoCompleteModeInfo (ModeData
, Info
);
61 Private
->PciIo
->GetBarAttributes (
65 (VOID
**) &FrameBufDesc
68 Mode
->FrameBufferBase
= FrameBufDesc
->AddrRangeMin
;
69 Mode
->FrameBufferSize
= Info
->HorizontalResolution
* Info
->VerticalResolution
;
70 Mode
->FrameBufferSize
= Mode
->FrameBufferSize
* ((ModeData
->ColorDepth
+ 7) / 8);
71 DEBUG ((EFI_D_INFO
, "FrameBufferBase: 0x%Lx, FrameBufferSize: 0x%Lx\n",
72 Mode
->FrameBufferBase
, (UINT64
)Mode
->FrameBufferSize
));
74 FreePool (FrameBufDesc
);
80 // Graphics Output Protocol Member Functions
84 QemuVideoGraphicsOutputQueryMode (
85 IN EFI_GRAPHICS_OUTPUT_PROTOCOL
*This
,
87 OUT UINTN
*SizeOfInfo
,
88 OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
**Info
94 Graphics Output protocol interface to query video mode
97 This - Protocol instance pointer.
98 ModeNumber - The mode number to return information on.
99 Info - Caller allocated buffer that returns information about ModeNumber.
100 SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
103 EFI_SUCCESS - Mode information returned.
104 EFI_BUFFER_TOO_SMALL - The Info buffer was too small.
105 EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
106 EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
107 EFI_INVALID_PARAMETER - One of the input args was NULL.
111 QEMU_VIDEO_PRIVATE_DATA
*Private
;
112 QEMU_VIDEO_MODE_DATA
*ModeData
;
114 Private
= QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This
);
116 if (Info
== NULL
|| SizeOfInfo
== NULL
|| ModeNumber
>= This
->Mode
->MaxMode
) {
117 return EFI_INVALID_PARAMETER
;
120 *Info
= AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
));
122 return EFI_OUT_OF_RESOURCES
;
125 *SizeOfInfo
= sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
);
127 ModeData
= &Private
->ModeData
[ModeNumber
];
128 (*Info
)->HorizontalResolution
= ModeData
->HorizontalResolution
;
129 (*Info
)->VerticalResolution
= ModeData
->VerticalResolution
;
130 QemuVideoCompleteModeInfo (ModeData
, *Info
);
137 QemuVideoGraphicsOutputSetMode (
138 IN EFI_GRAPHICS_OUTPUT_PROTOCOL
*This
,
145 Graphics Output protocol interface to set video mode
148 This - Protocol instance pointer.
149 ModeNumber - The mode number to be set.
152 EFI_SUCCESS - Graphics mode was changed.
153 EFI_DEVICE_ERROR - The device had an error and could not complete the request.
154 EFI_UNSUPPORTED - ModeNumber is not supported by this device.
158 QEMU_VIDEO_PRIVATE_DATA
*Private
;
159 QEMU_VIDEO_MODE_DATA
*ModeData
;
160 RETURN_STATUS Status
;
162 Private
= QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This
);
164 if (ModeNumber
>= This
->Mode
->MaxMode
) {
165 return EFI_UNSUPPORTED
;
168 ModeData
= &Private
->ModeData
[ModeNumber
];
170 switch (Private
->Variant
) {
171 case QEMU_VIDEO_CIRRUS_5430
:
172 case QEMU_VIDEO_CIRRUS_5446
:
173 InitializeCirrusGraphicsMode (Private
, &QemuVideoCirrusModes
[ModeData
->InternalModeIndex
]);
175 case QEMU_VIDEO_BOCHS_MMIO
:
176 case QEMU_VIDEO_BOCHS
:
177 InitializeBochsGraphicsMode (Private
, &QemuVideoBochsModes
[ModeData
->InternalModeIndex
]);
181 return EFI_DEVICE_ERROR
;
184 This
->Mode
->Mode
= ModeNumber
;
185 This
->Mode
->Info
->HorizontalResolution
= ModeData
->HorizontalResolution
;
186 This
->Mode
->Info
->VerticalResolution
= ModeData
->VerticalResolution
;
187 This
->Mode
->SizeOfInfo
= sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
);
189 QemuVideoCompleteModeData (Private
, This
->Mode
);
192 // Re-initialize the frame buffer configure when mode changes.
194 Status
= FrameBufferBltConfigure (
195 (VOID
*) (UINTN
) This
->Mode
->FrameBufferBase
,
197 Private
->FrameBufferBltConfigure
,
198 &Private
->FrameBufferBltConfigureSize
200 if (Status
== RETURN_BUFFER_TOO_SMALL
) {
202 // Frame buffer configure may be larger in new mode.
204 if (Private
->FrameBufferBltConfigure
!= NULL
) {
205 FreePool (Private
->FrameBufferBltConfigure
);
207 Private
->FrameBufferBltConfigure
=
208 AllocatePool (Private
->FrameBufferBltConfigureSize
);
209 ASSERT (Private
->FrameBufferBltConfigure
!= NULL
);
212 // Create the configuration for FrameBufferBltLib
214 Status
= FrameBufferBltConfigure (
215 (VOID
*) (UINTN
) This
->Mode
->FrameBufferBase
,
217 Private
->FrameBufferBltConfigure
,
218 &Private
->FrameBufferBltConfigureSize
221 ASSERT (Status
== RETURN_SUCCESS
);
228 QemuVideoGraphicsOutputBlt (
229 IN EFI_GRAPHICS_OUTPUT_PROTOCOL
*This
,
230 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL
*BltBuffer
, OPTIONAL
231 IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation
,
234 IN UINTN DestinationX
,
235 IN UINTN DestinationY
,
244 Graphics Output protocol instance to block transfer for CirrusLogic device
248 This - Pointer to Graphics Output protocol instance
249 BltBuffer - The data to transfer to screen
250 BltOperation - The operation to perform
251 SourceX - The X coordinate of the source for BltOperation
252 SourceY - The Y coordinate of the source for BltOperation
253 DestinationX - The X coordinate of the destination for BltOperation
254 DestinationY - The Y coordinate of the destination for BltOperation
255 Width - The width of a rectangle in the blt rectangle in pixels
256 Height - The height of a rectangle in the blt rectangle in pixels
257 Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
258 If a Delta of 0 is used, the entire BltBuffer will be operated on.
259 If a subrectangle of the BltBuffer is used, then Delta represents
260 the number of bytes in a row of the BltBuffer.
264 EFI_INVALID_PARAMETER - Invalid parameter passed in
265 EFI_SUCCESS - Blt operation success
271 QEMU_VIDEO_PRIVATE_DATA
*Private
;
273 Private
= QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This
);
275 // We have to raise to TPL Notify, so we make an atomic write the frame buffer.
276 // We would not want a timer based event (Cursor, ...) to come in while we are
277 // doing this operation.
279 OriginalTPL
= gBS
->RaiseTPL (TPL_NOTIFY
);
281 switch (BltOperation
) {
282 case EfiBltVideoToBltBuffer
:
283 case EfiBltBufferToVideo
:
284 case EfiBltVideoFill
:
285 case EfiBltVideoToVideo
:
286 Status
= FrameBufferBlt (
287 Private
->FrameBufferBltConfigure
,
301 Status
= EFI_INVALID_PARAMETER
;
305 gBS
->RestoreTPL (OriginalTPL
);
311 QemuVideoGraphicsOutputConstructor (
312 QEMU_VIDEO_PRIVATE_DATA
*Private
316 EFI_GRAPHICS_OUTPUT_PROTOCOL
*GraphicsOutput
;
319 GraphicsOutput
= &Private
->GraphicsOutput
;
320 GraphicsOutput
->QueryMode
= QemuVideoGraphicsOutputQueryMode
;
321 GraphicsOutput
->SetMode
= QemuVideoGraphicsOutputSetMode
;
322 GraphicsOutput
->Blt
= QemuVideoGraphicsOutputBlt
;
325 // Initialize the private data
327 Status
= gBS
->AllocatePool (
329 sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE
),
330 (VOID
**) &Private
->GraphicsOutput
.Mode
332 if (EFI_ERROR (Status
)) {
336 Status
= gBS
->AllocatePool (
338 sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
),
339 (VOID
**) &Private
->GraphicsOutput
.Mode
->Info
341 if (EFI_ERROR (Status
)) {
344 Private
->GraphicsOutput
.Mode
->MaxMode
= (UINT32
) Private
->MaxMode
;
345 Private
->GraphicsOutput
.Mode
->Mode
= GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER
;
346 Private
->FrameBufferBltConfigure
= NULL
;
347 Private
->FrameBufferBltConfigureSize
= 0;
350 // Initialize the hardware
352 Status
= GraphicsOutput
->SetMode (GraphicsOutput
, 0);
353 if (EFI_ERROR (Status
)) {
359 Private
->ModeData
[Private
->GraphicsOutput
.Mode
->Mode
].HorizontalResolution
,
360 Private
->ModeData
[Private
->GraphicsOutput
.Mode
->Mode
].VerticalResolution
366 FreePool (Private
->GraphicsOutput
.Mode
->Info
);
369 FreePool (Private
->GraphicsOutput
.Mode
);
370 Private
->GraphicsOutput
.Mode
= NULL
;
376 QemuVideoGraphicsOutputDestructor (
377 QEMU_VIDEO_PRIVATE_DATA
*Private
391 if (Private
->FrameBufferBltConfigure
!= NULL
) {
392 FreePool (Private
->FrameBufferBltConfigure
);
395 if (Private
->GraphicsOutput
.Mode
!= NULL
) {
396 if (Private
->GraphicsOutput
.Mode
->Info
!= NULL
) {
397 gBS
->FreePool (Private
->GraphicsOutput
.Mode
->Info
);
399 gBS
->FreePool (Private
->GraphicsOutput
.Mode
);