1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
|
/** @file
Graphics Output Protocol functions for the QEMU video controller.
Copyright (c) 2007 - 2010, Intel Corporation. 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.
**/
#include "Qemu.h"
#include <IndustryStandard/Acpi.h>
#include <Library/BltLib.h>
STATIC
VOID
QemuVideoCompleteModeInfo (
IN QEMU_VIDEO_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 ((EFI_D_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));
Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
}
Info->PixelsPerScanLine = Info->HorizontalResolution;
}
STATIC
EFI_STATUS
QemuVideoCompleteModeData (
IN QEMU_VIDEO_PRIVATE_DATA *Private,
OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode
)
{
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *FrameBufDesc;
QEMU_VIDEO_MODE_DATA *ModeData;
ModeData = &Private->ModeData[Mode->Mode];
Info = Mode->Info;
QemuVideoCompleteModeInfo (ModeData, Info);
Private->PciIo->GetBarAttributes (
Private->PciIo,
0,
NULL,
(VOID**) &FrameBufDesc
);
Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;
Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;
Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);
DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%x, FrameBufferSize: 0x%x\n", Mode->FrameBufferBase, Mode->FrameBufferSize));
return EFI_SUCCESS;
}
//
// Graphics Output Protocol Member Functions
//
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputQueryMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber,
OUT UINTN *SizeOfInfo,
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
)
/*++
Routine Description:
Graphics Output protocol interface to query video mode
Arguments:
This - Protocol instance pointer.
ModeNumber - The mode number to return information on.
Info - Caller allocated buffer that returns information about ModeNumber.
SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
Returns:
EFI_SUCCESS - Mode information returned.
EFI_BUFFER_TOO_SMALL - The Info buffer was too small.
EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
EFI_INVALID_PARAMETER - One of the input args was NULL.
--*/
{
QEMU_VIDEO_PRIVATE_DATA *Private;
QEMU_VIDEO_MODE_DATA *ModeData;
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
if (Private->HardwareNeedsStarting) {
return EFI_NOT_STARTED;
}
if (Info == NULL || SizeOfInfo == NULL || 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)->HorizontalResolution = ModeData->HorizontalResolution;
(*Info)->VerticalResolution = ModeData->VerticalResolution;
QemuVideoCompleteModeInfo (ModeData, *Info);
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputSetMode (
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
IN UINT32 ModeNumber
)
/*++
Routine Description:
Graphics Output protocol interface to set video mode
Arguments:
This - Protocol instance pointer.
ModeNumber - The mode number to be set.
Returns:
EFI_SUCCESS - Graphics mode was changed.
EFI_DEVICE_ERROR - The device had an error and could not complete the request.
EFI_UNSUPPORTED - ModeNumber is not supported by this device.
--*/
{
QEMU_VIDEO_PRIVATE_DATA *Private;
QEMU_VIDEO_MODE_DATA *ModeData;
// UINTN Count;
Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
if (ModeNumber >= This->Mode->MaxMode) {
return EFI_UNSUPPORTED;
}
ModeData = &Private->ModeData[ModeNumber];
if (Private->LineBuffer) {
gBS->FreePool (Private->LineBuffer);
}
Private->LineBuffer = NULL;
Private->LineBuffer = AllocatePool (4 * ModeData->HorizontalResolution);
if (Private->LineBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
switch (Private->Variant) {
case QEMU_VIDEO_CIRRUS_5430:
case QEMU_VIDEO_CIRRUS_5446:
InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->ModeNumber]);
break;
case QEMU_VIDEO_BOCHS:
InitializeBochsGraphicsMode (Private, &QemuVideoBochsModes[ModeData->ModeNumber]);
break;
default:
ASSERT (FALSE);
gBS->FreePool (Private->LineBuffer);
Private->LineBuffer = NULL;
return EFI_DEVICE_ERROR;
}
This->Mode->Mode = ModeNumber;
This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
QemuVideoCompleteModeData (Private, This->Mode);
BltLibConfigure (
(VOID*)(UINTN) This->Mode->FrameBufferBase,
This->Mode->Info
);
Private->HardwareNeedsStarting = FALSE;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
QemuVideoGraphicsOutputBlt (
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
)
/*++
Routine Description:
Graphics Output protocol instance to block transfer for CirrusLogic device
Arguments:
This - Pointer to Graphics Output protocol instance
BltBuffer - The data to transfer to screen
BltOperation - The operation to perform
SourceX - The X coordinate of the source for BltOperation
SourceY - The Y coordinate of the source for BltOperation
DestinationX - The X coordinate of the destination for BltOperation
DestinationY - The Y coordinate of the destination for BltOperation
Width - The width of a rectangle in the blt rectangle in pixels
Height - The height of a rectangle in the blt rectangle in pixels
Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
If a Delta of 0 is used, the entire BltBuffer will be operated on.
If a subrectangle of the BltBuffer is used, then Delta represents
the number of bytes in a row of the BltBuffer.
Returns:
EFI_INVALID_PARAMETER - Invalid parameter passed in
EFI_SUCCESS - Blt operation success
--*/
{
EFI_STATUS Status;
EFI_TPL OriginalTPL;
//
// 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 = BltLibGopBlt (
BltBuffer,
BltOperation,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
break;
default:
Status = EFI_INVALID_PARAMETER;
ASSERT (FALSE);
}
gBS->RestoreTPL (OriginalTPL);
return Status;
}
EFI_STATUS
QemuVideoGraphicsOutputConstructor (
QEMU_VIDEO_PRIVATE_DATA *Private
)
{
EFI_STATUS Status;
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
GraphicsOutput = &Private->GraphicsOutput;
GraphicsOutput->QueryMode = QemuVideoGraphicsOutputQueryMode;
GraphicsOutput->SetMode = QemuVideoGraphicsOutputSetMode;
GraphicsOutput->Blt = QemuVideoGraphicsOutputBlt;
//
// Initialize the private data
//
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
(VOID **) &Private->GraphicsOutput.Mode
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
(VOID **) &Private->GraphicsOutput.Mode->Info
);
if (EFI_ERROR (Status)) {
return Status;
}
Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;
Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
Private->HardwareNeedsStarting = TRUE;
Private->LineBuffer = NULL;
//
// Initialize the hardware
//
GraphicsOutput->SetMode (GraphicsOutput, 0);
DrawLogo (
Private,
Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,
Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution
);
return EFI_SUCCESS;
}
EFI_STATUS
QemuVideoGraphicsOutputDestructor (
QEMU_VIDEO_PRIVATE_DATA *Private
)
/*++
Routine Description:
Arguments:
Returns:
None
--*/
{
if (Private->GraphicsOutput.Mode != NULL) {
if (Private->GraphicsOutput.Mode->Info != NULL) {
gBS->FreePool (Private->GraphicsOutput.Mode->Info);
}
gBS->FreePool (Private->GraphicsOutput.Mode);
}
return EFI_SUCCESS;
}
|