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OvmfPkg: QemuVideoDxe: work around misreported QXL framebuffer size
[mirror_edk2.git] / OvmfPkg / QemuVideoDxe / Driver.c
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eaf4f336 1/** @file\r
2 This driver is a sample implementation of the Graphics Output Protocol for\r
3 the QEMU (Cirrus Logic 5446) video controller.\r
4\r
5 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
6\r
7 This program and the accompanying materials\r
8 are licensed and made available under the terms and conditions of the BSD License\r
9 which accompanies this distribution. The full text of the license may be found at\r
10 http://opensource.org/licenses/bsd-license.php\r
11\r
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
14\r
15**/\r
16\r
17#include "Qemu.h"\r
cdb4f5dc 18#include <IndustryStandard/Acpi.h>\r
eaf4f336 19\r
20EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding = {\r
21 QemuVideoControllerDriverSupported,\r
22 QemuVideoControllerDriverStart,\r
23 QemuVideoControllerDriverStop,\r
24 0x10,\r
25 NULL,\r
26 NULL\r
27};\r
28\r
212aac55 29QEMU_VIDEO_CARD gQemuVideoCardList[] = {\r
30 {\r
31 CIRRUS_LOGIC_VENDOR_ID,\r
32 CIRRUS_LOGIC_5430_DEVICE_ID,\r
33 QEMU_VIDEO_CIRRUS_5430,\r
34 L"Cirrus 5430"\r
35 },{\r
36 CIRRUS_LOGIC_VENDOR_ID,\r
37 CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID,\r
38 QEMU_VIDEO_CIRRUS_5430,\r
39 L"Cirrus 5430"\r
40 },{\r
41 CIRRUS_LOGIC_VENDOR_ID,\r
42 CIRRUS_LOGIC_5446_DEVICE_ID,\r
43 QEMU_VIDEO_CIRRUS_5446,\r
44 L"Cirrus 5446"\r
54f9b9ac 45 },{\r
46 0x1234,\r
47 0x1111,\r
cdb4f5dc 48 QEMU_VIDEO_BOCHS_MMIO,\r
54f9b9ac 49 L"QEMU Standard VGA"\r
50 },{\r
51 0x1b36,\r
52 0x0100,\r
53 QEMU_VIDEO_BOCHS,\r
54 L"QEMU QXL VGA"\r
212aac55 55 },{\r
56 0 /* end of list */\r
57 }\r
58};\r
59\r
60static QEMU_VIDEO_CARD*\r
61QemuVideoDetect(\r
62 IN UINT16 VendorId,\r
63 IN UINT16 DeviceId\r
64 )\r
65{\r
66 UINTN Index = 0;\r
67\r
68 while (gQemuVideoCardList[Index].VendorId != 0) {\r
69 if (gQemuVideoCardList[Index].VendorId == VendorId &&\r
70 gQemuVideoCardList[Index].DeviceId == DeviceId) {\r
71 return gQemuVideoCardList + Index;\r
72 }\r
73 Index++;\r
74 }\r
75 return NULL;\r
76}\r
77\r
eaf4f336 78/**\r
79 Check if this device is supported.\r
80\r
81 @param This The driver binding protocol.\r
82 @param Controller The controller handle to check.\r
83 @param RemainingDevicePath The remaining device path.\r
84\r
85 @retval EFI_SUCCESS The bus supports this controller.\r
86 @retval EFI_UNSUPPORTED This device isn't supported.\r
87\r
88**/\r
89EFI_STATUS\r
90EFIAPI\r
91QemuVideoControllerDriverSupported (\r
92 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
93 IN EFI_HANDLE Controller,\r
94 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
95 )\r
96{\r
97 EFI_STATUS Status;\r
98 EFI_PCI_IO_PROTOCOL *PciIo;\r
99 PCI_TYPE00 Pci;\r
212aac55 100 QEMU_VIDEO_CARD *Card;\r
eaf4f336 101\r
102 //\r
103 // Open the PCI I/O Protocol\r
104 //\r
105 Status = gBS->OpenProtocol (\r
106 Controller,\r
107 &gEfiPciIoProtocolGuid,\r
108 (VOID **) &PciIo,\r
109 This->DriverBindingHandle,\r
110 Controller,\r
111 EFI_OPEN_PROTOCOL_BY_DRIVER\r
112 );\r
113 if (EFI_ERROR (Status)) {\r
114 return Status;\r
115 }\r
116\r
117 //\r
118 // Read the PCI Configuration Header from the PCI Device\r
119 //\r
120 Status = PciIo->Pci.Read (\r
121 PciIo,\r
122 EfiPciIoWidthUint32,\r
123 0,\r
124 sizeof (Pci) / sizeof (UINT32),\r
125 &Pci\r
126 );\r
127 if (EFI_ERROR (Status)) {\r
128 goto Done;\r
129 }\r
130\r
131 Status = EFI_UNSUPPORTED;\r
212aac55 132 Card = QemuVideoDetect(Pci.Hdr.VendorId, Pci.Hdr.DeviceId);\r
133 if (Card != NULL) {\r
134 DEBUG ((EFI_D_INFO, "QemuVideo: %s detected\n", Card->Name));\r
135 Status = EFI_SUCCESS;\r
eaf4f336 136 }\r
137\r
138Done:\r
139 //\r
140 // Close the PCI I/O Protocol\r
141 //\r
142 gBS->CloseProtocol (\r
143 Controller,\r
144 &gEfiPciIoProtocolGuid,\r
145 This->DriverBindingHandle,\r
146 Controller\r
147 );\r
148\r
149 return Status;\r
150}\r
151\r
152/**\r
153 Start to process the controller.\r
154\r
155 @param This The USB bus driver binding instance.\r
156 @param Controller The controller to check.\r
157 @param RemainingDevicePath The remaining device patch.\r
158\r
159 @retval EFI_SUCCESS The controller is controlled by the usb bus.\r
160 @retval EFI_ALREADY_STARTED The controller is already controlled by the usb\r
161 bus.\r
162 @retval EFI_OUT_OF_RESOURCES Failed to allocate resources.\r
163\r
164**/\r
165EFI_STATUS\r
166EFIAPI\r
167QemuVideoControllerDriverStart (\r
168 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
169 IN EFI_HANDLE Controller,\r
170 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
171 )\r
172{\r
9c08bbe5 173 EFI_TPL OldTpl;\r
cdb4f5dc 174 EFI_STATUS Status;\r
175 QEMU_VIDEO_PRIVATE_DATA *Private;\r
b37bcfd6 176 BOOLEAN IsQxl;\r
cdb4f5dc 177 EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
42d0cad7 178 ACPI_ADR_DEVICE_PATH AcpiDeviceNode;\r
cdb4f5dc 179 PCI_TYPE00 Pci;\r
180 QEMU_VIDEO_CARD *Card;\r
4374c2e5 181 EFI_PCI_IO_PROTOCOL *ChildPciIo;\r
54f9b9ac 182\r
9c08bbe5
LE		 183 OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
184\r
eaf4f336 185 //\r
186 // Allocate Private context data for GOP inteface.\r
187 //\r
188 Private = AllocateZeroPool (sizeof (QEMU_VIDEO_PRIVATE_DATA));\r
189 if (Private == NULL) {\r
9c08bbe5
LE		 190 Status = EFI_OUT_OF_RESOURCES;\r
191 goto RestoreTpl;\r
eaf4f336 192 }\r
193\r
194 //\r
195 // Set up context record\r
196 //\r
197 Private->Signature = QEMU_VIDEO_PRIVATE_DATA_SIGNATURE;\r
eaf4f336 198\r
199 //\r
200 // Open PCI I/O Protocol\r
201 //\r
202 Status = gBS->OpenProtocol (\r
203 Controller,\r
204 &gEfiPciIoProtocolGuid,\r
205 (VOID **) &Private->PciIo,\r
206 This->DriverBindingHandle,\r
207 Controller,\r
208 EFI_OPEN_PROTOCOL_BY_DRIVER\r
209 );\r
210 if (EFI_ERROR (Status)) {\r
d89186bc 211 goto FreePrivate;\r
eaf4f336 212 }\r
213\r
212aac55 214 //\r
215 // Read the PCI Configuration Header from the PCI Device\r
216 //\r
217 Status = Private->PciIo->Pci.Read (\r
218 Private->PciIo,\r
219 EfiPciIoWidthUint32,\r
220 0,\r
221 sizeof (Pci) / sizeof (UINT32),\r
222 &Pci\r
223 );\r
224 if (EFI_ERROR (Status)) {\r
d89186bc 225 goto ClosePciIo;\r
212aac55 226 }\r
227\r
d89186bc
LE		 228 //\r
229 // Determine card variant.\r
230 //\r
212aac55 231 Card = QemuVideoDetect(Pci.Hdr.VendorId, Pci.Hdr.DeviceId);\r
232 if (Card == NULL) {\r
233 Status = EFI_DEVICE_ERROR;\r
d89186bc 234 goto ClosePciIo;\r
212aac55 235 }\r
236 Private->Variant = Card->Variant;\r
237\r
b37bcfd6
LE		 238 //\r
239 // IsQxl is based on the detected Card->Variant, which at a later point might\r
240 // not match Private->Variant.\r
241 //\r
242 IsQxl = (BOOLEAN)(Card->Variant == QEMU_VIDEO_BOCHS);\r
243\r
eaf4f336 244 //\r
245 // Save original PCI attributes\r
246 //\r
247 Status = Private->PciIo->Attributes (\r
248 Private->PciIo,\r
249 EfiPciIoAttributeOperationGet,\r
250 0,\r
251 &Private->OriginalPciAttributes\r
252 );\r
253\r
254 if (EFI_ERROR (Status)) {\r
d89186bc 255 goto ClosePciIo;\r
eaf4f336 256 }\r
eaf4f336 257\r
d89186bc
LE		 258 //\r
259 // Set new PCI attributes\r
260 //\r
eaf4f336 261 Status = Private->PciIo->Attributes (\r
262 Private->PciIo,\r
263 EfiPciIoAttributeOperationEnable,\r
264 EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,\r
265 NULL\r
266 );\r
267 if (EFI_ERROR (Status)) {\r
d89186bc 268 goto ClosePciIo;\r
eaf4f336 269 }\r
270\r
cdb4f5dc 271 //\r
272 // Check whenever the qemu stdvga mmio bar is present (qemu 1.3+).\r
273 //\r
274 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
d89186bc
LE		 275 EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *MmioDesc;\r
276\r
cdb4f5dc 277 Status = Private->PciIo->GetBarAttributes (\r
278 Private->PciIo,\r
279 PCI_BAR_IDX2,\r
280 NULL,\r
281 (VOID**) &MmioDesc\r
282 );\r
283 if (EFI_ERROR (Status) ||\r
284 MmioDesc->ResType != ACPI_ADDRESS_SPACE_TYPE_MEM) {\r
285 DEBUG ((EFI_D_INFO, "QemuVideo: No mmio bar, fallback to port io\n"));\r
286 Private->Variant = QEMU_VIDEO_BOCHS;\r
287 } else {\r
288 DEBUG ((EFI_D_INFO, "QemuVideo: Using mmio bar @ 0x%lx\n",\r
289 MmioDesc->AddrRangeMin));\r
290 }\r
5cdb96fa
LE		 291\r
292 if (!EFI_ERROR (Status)) {\r
293 FreePool (MmioDesc);\r
294 }\r
cdb4f5dc 295 }\r
296\r
54f9b9ac 297 //\r
298 // Check if accessing the bochs interface works.\r
299 //\r
cdb4f5dc 300 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||\r
301 Private->Variant == QEMU_VIDEO_BOCHS) {\r
54f9b9ac 302 UINT16 BochsId;\r
303 BochsId = BochsRead(Private, VBE_DISPI_INDEX_ID);\r
304 if ((BochsId & 0xFFF0) != VBE_DISPI_ID0) {\r
305 DEBUG ((EFI_D_INFO, "QemuVideo: BochsID mismatch (got 0x%x)\n", BochsId));\r
306 Status = EFI_DEVICE_ERROR;\r
d89186bc 307 goto RestoreAttributes;\r
54f9b9ac 308 }\r
309 }\r
310\r
eaf4f336 311 //\r
312 // Get ParentDevicePath\r
313 //\r
314 Status = gBS->HandleProtocol (\r
315 Controller,\r
316 &gEfiDevicePathProtocolGuid,\r
317 (VOID **) &ParentDevicePath\r
318 );\r
319 if (EFI_ERROR (Status)) {\r
d89186bc 320 goto RestoreAttributes;\r
eaf4f336 321 }\r
322\r
323 //\r
324 // Set Gop Device Path\r
325 //\r
42d0cad7
LE		 326 ZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));\r
327 AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;\r
328 AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;\r
329 AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);\r
330 SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));\r
331\r
332 Private->GopDevicePath = AppendDevicePathNode (\r
333 ParentDevicePath,\r
334 (EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode\r
335 );\r
336 if (Private->GopDevicePath == NULL) {\r
337 Status = EFI_OUT_OF_RESOURCES;\r
338 goto RestoreAttributes;\r
eaf4f336 339 }\r
d89186bc
LE		 340\r
341 //\r
42d0cad7 342 // Create new child handle and install the device path protocol on it.\r
d89186bc 343 //\r
42d0cad7
LE		 344 Status = gBS->InstallMultipleProtocolInterfaces (\r
345 &Private->Handle,\r
346 &gEfiDevicePathProtocolGuid,\r
347 Private->GopDevicePath,\r
348 NULL\r
349 );\r
350 if (EFI_ERROR (Status)) {\r
351 goto FreeGopDevicePath;\r
eaf4f336 352 }\r
353\r
354 //\r
355 // Construct video mode buffer\r
356 //\r
212aac55 357 switch (Private->Variant) {\r
358 case QEMU_VIDEO_CIRRUS_5430:\r
359 case QEMU_VIDEO_CIRRUS_5446:\r
360 Status = QemuVideoCirrusModeSetup (Private);\r
361 break;\r
cdb4f5dc 362 case QEMU_VIDEO_BOCHS_MMIO:\r
54f9b9ac 363 case QEMU_VIDEO_BOCHS:\r
b37bcfd6 364 Status = QemuVideoBochsModeSetup (Private, IsQxl);\r
54f9b9ac 365 break;\r
212aac55 366 default:\r
367 ASSERT (FALSE);\r
368 Status = EFI_DEVICE_ERROR;\r
369 break;\r
370 }\r
eaf4f336 371 if (EFI_ERROR (Status)) {\r
d89186bc 372 goto UninstallGopDevicePath;\r
eaf4f336 373 }\r
374\r
d89186bc
LE		 375 //\r
376 // Start the GOP software stack.\r
377 //\r
378 Status = QemuVideoGraphicsOutputConstructor (Private);\r
379 if (EFI_ERROR (Status)) {\r
380 goto FreeModeData;\r
381 }\r
4374c2e5 382\r
d89186bc
LE		 383 Status = gBS->InstallMultipleProtocolInterfaces (\r
384 &Private->Handle,\r
385 &gEfiGraphicsOutputProtocolGuid,\r
386 &Private->GraphicsOutput,\r
387 NULL\r
4374c2e5 388 );\r
d89186bc
LE		 389 if (EFI_ERROR (Status)) {\r
390 goto DestructQemuVideoGraphics;\r
eaf4f336 391 }\r
392\r
d89186bc
LE		 393 //\r
394 // Reference parent handle from child handle.\r
395 //\r
396 Status = gBS->OpenProtocol (\r
397 Controller,\r
398 &gEfiPciIoProtocolGuid,\r
399 (VOID **) &ChildPciIo,\r
400 This->DriverBindingHandle,\r
401 Private->Handle,\r
402 EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
403 );\r
eaf4f336 404 if (EFI_ERROR (Status)) {\r
d89186bc
LE		 405 goto UninstallGop;\r
406 }\r
eaf4f336 407\r
90803342
LE		 408 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||\r
409 Private->Variant == QEMU_VIDEO_BOCHS) {\r
410 InstallVbeShim (Card->Name, Private->GraphicsOutput.Mode->FrameBufferBase);\r
411 }\r
412\r
9c08bbe5 413 gBS->RestoreTPL (OldTpl);\r
d89186bc
LE		 414 return EFI_SUCCESS;\r
415\r
416UninstallGop:\r
417 gBS->UninstallProtocolInterface (Private->Handle,\r
418 &gEfiGraphicsOutputProtocolGuid, &Private->GraphicsOutput);\r
419\r
420DestructQemuVideoGraphics:\r
421 QemuVideoGraphicsOutputDestructor (Private);\r
422\r
423FreeModeData:\r
424 FreePool (Private->ModeData);\r
425\r
426UninstallGopDevicePath:\r
d89186bc
LE		 427 gBS->UninstallProtocolInterface (Private->Handle,\r
428 &gEfiDevicePathProtocolGuid, Private->GopDevicePath);\r
429\r
430FreeGopDevicePath:\r
42d0cad7 431 FreePool (Private->GopDevicePath);\r
eaf4f336 432\r
d89186bc
LE		 433RestoreAttributes:\r
434 Private->PciIo->Attributes (Private->PciIo, EfiPciIoAttributeOperationSet,\r
435 Private->OriginalPciAttributes, NULL);\r
436\r
437ClosePciIo:\r
438 gBS->CloseProtocol (Controller, &gEfiPciIoProtocolGuid,\r
439 This->DriverBindingHandle, Controller);\r
440\r
441FreePrivate:\r
442 FreePool (Private);\r
443\r
9c08bbe5
LE		 444RestoreTpl:\r
445 gBS->RestoreTPL (OldTpl);\r
446\r
eaf4f336 447 return Status;\r
448}\r
449\r
450/**\r
451 Stop this device\r
452\r
453 @param This The USB bus driver binding protocol.\r
454 @param Controller The controller to release.\r
455 @param NumberOfChildren The number of children of this device that\r
456 opened the controller BY_CHILD.\r
457 @param ChildHandleBuffer The array of child handle.\r
458\r
459 @retval EFI_SUCCESS The controller or children are stopped.\r
460 @retval EFI_DEVICE_ERROR Failed to stop the driver.\r
461\r
462**/\r
463EFI_STATUS\r
464EFIAPI\r
465QemuVideoControllerDriverStop (\r
466 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
467 IN EFI_HANDLE Controller,\r
468 IN UINTN NumberOfChildren,\r
469 IN EFI_HANDLE *ChildHandleBuffer\r
470 )\r
471{\r
472 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
473\r
474 EFI_STATUS Status;\r
475 QEMU_VIDEO_PRIVATE_DATA *Private;\r
476\r
99a6dce3
LE		 477 if (NumberOfChildren == 0) {\r
478 //\r
479 // Close the PCI I/O Protocol\r
480 //\r
481 gBS->CloseProtocol (\r
482 Controller,\r
483 &gEfiPciIoProtocolGuid,\r
484 This->DriverBindingHandle,\r
485 Controller\r
486 );\r
487 return EFI_SUCCESS;\r
488 }\r
489\r
490 //\r
491 // free all resources for whose access we need the child handle, because the\r
492 // child handle is going away\r
493 //\r
494 ASSERT (NumberOfChildren == 1);\r
eaf4f336 495 Status = gBS->OpenProtocol (\r
99a6dce3 496 ChildHandleBuffer[0],\r
eaf4f336 497 &gEfiGraphicsOutputProtocolGuid,\r
498 (VOID **) &GraphicsOutput,\r
499 This->DriverBindingHandle,\r
500 Controller,\r
501 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
502 );\r
503 if (EFI_ERROR (Status)) {\r
504 return Status;\r
505 }\r
506\r
507 //\r
508 // Get our private context information\r
509 //\r
510 Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);\r
99a6dce3 511 ASSERT (Private->Handle == ChildHandleBuffer[0]);\r
eaf4f336 512\r
513 QemuVideoGraphicsOutputDestructor (Private);\r
514 //\r
515 // Remove the GOP protocol interface from the system\r
516 //\r
517 Status = gBS->UninstallMultipleProtocolInterfaces (\r
518 Private->Handle,\r
519 &gEfiGraphicsOutputProtocolGuid,\r
520 &Private->GraphicsOutput,\r
521 NULL\r
522 );\r
523\r
524 if (EFI_ERROR (Status)) {\r
525 return Status;\r
526 }\r
527\r
528 //\r
529 // Restore original PCI attributes\r
530 //\r
531 Private->PciIo->Attributes (\r
532 Private->PciIo,\r
533 EfiPciIoAttributeOperationSet,\r
534 Private->OriginalPciAttributes,\r
535 NULL\r
536 );\r
537\r
4374c2e5
CR		 538 gBS->CloseProtocol (\r
539 Controller,\r
540 &gEfiPciIoProtocolGuid,\r
541 This->DriverBindingHandle,\r
542 Private->Handle\r
543 );\r
544\r
847e4c34
LE		 545 FreePool (Private->ModeData);\r
546 gBS->UninstallProtocolInterface (Private->Handle,\r
547 &gEfiDevicePathProtocolGuid, Private->GopDevicePath);\r
548 FreePool (Private->GopDevicePath);\r
549\r
eaf4f336 550 //\r
551 // Free our instance data\r
552 //\r
553 gBS->FreePool (Private);\r
554\r
555 return EFI_SUCCESS;\r
556}\r
557\r
558/**\r
559 TODO: Add function description\r
560\r
561 @param Private TODO: add argument description\r
562 @param Address TODO: add argument description\r
563 @param Data TODO: add argument description\r
564\r
565 TODO: add return values\r
566\r
567**/\r
568VOID\r
569outb (\r
570 QEMU_VIDEO_PRIVATE_DATA *Private,\r
571 UINTN Address,\r
572 UINT8 Data\r
573 )\r
574{\r
575 Private->PciIo->Io.Write (\r
576 Private->PciIo,\r
577 EfiPciIoWidthUint8,\r
578 EFI_PCI_IO_PASS_THROUGH_BAR,\r
579 Address,\r
580 1,\r
581 &Data\r
582 );\r
583}\r
584\r
585/**\r
586 TODO: Add function description\r
587\r
588 @param Private TODO: add argument description\r
589 @param Address TODO: add argument description\r
590 @param Data TODO: add argument description\r
591\r
592 TODO: add return values\r
593\r
594**/\r
595VOID\r
596outw (\r
597 QEMU_VIDEO_PRIVATE_DATA *Private,\r
598 UINTN Address,\r
599 UINT16 Data\r
600 )\r
601{\r
602 Private->PciIo->Io.Write (\r
603 Private->PciIo,\r
604 EfiPciIoWidthUint16,\r
605 EFI_PCI_IO_PASS_THROUGH_BAR,\r
606 Address,\r
607 1,\r
608 &Data\r
609 );\r
610}\r
611\r
612/**\r
613 TODO: Add function description\r
614\r
615 @param Private TODO: add argument description\r
616 @param Address TODO: add argument description\r
617\r
618 TODO: add return values\r
619\r
620**/\r
621UINT8\r
622inb (\r
623 QEMU_VIDEO_PRIVATE_DATA *Private,\r
624 UINTN Address\r
625 )\r
626{\r
627 UINT8 Data;\r
628\r
629 Private->PciIo->Io.Read (\r
630 Private->PciIo,\r
631 EfiPciIoWidthUint8,\r
632 EFI_PCI_IO_PASS_THROUGH_BAR,\r
633 Address,\r
634 1,\r
635 &Data\r
636 );\r
637 return Data;\r
638}\r
639\r
640/**\r
641 TODO: Add function description\r
642\r
643 @param Private TODO: add argument description\r
644 @param Address TODO: add argument description\r
645\r
646 TODO: add return values\r
647\r
648**/\r
649UINT16\r
650inw (\r
651 QEMU_VIDEO_PRIVATE_DATA *Private,\r
652 UINTN Address\r
653 )\r
654{\r
655 UINT16 Data;\r
656\r
657 Private->PciIo->Io.Read (\r
658 Private->PciIo,\r
659 EfiPciIoWidthUint16,\r
660 EFI_PCI_IO_PASS_THROUGH_BAR,\r
661 Address,\r
662 1,\r
663 &Data\r
664 );\r
665 return Data;\r
666}\r
667\r
668/**\r
669 TODO: Add function description\r
670\r
671 @param Private TODO: add argument description\r
672 @param Index TODO: add argument description\r
673 @param Red TODO: add argument description\r
674 @param Green TODO: add argument description\r
675 @param Blue TODO: add argument description\r
676\r
677 TODO: add return values\r
678\r
679**/\r
680VOID\r
681SetPaletteColor (\r
682 QEMU_VIDEO_PRIVATE_DATA *Private,\r
683 UINTN Index,\r
684 UINT8 Red,\r
685 UINT8 Green,\r
686 UINT8 Blue\r
687 )\r
688{\r
cdb4f5dc 689 VgaOutb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);\r
690 VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));\r
691 VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));\r
692 VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Blue >> 2));\r
eaf4f336 693}\r
694\r
695/**\r
696 TODO: Add function description\r
697\r
698 @param Private TODO: add argument description\r
699\r
700 TODO: add return values\r
701\r
702**/\r
703VOID\r
704SetDefaultPalette (\r
705 QEMU_VIDEO_PRIVATE_DATA *Private\r
706 )\r
707{\r
708 UINTN Index;\r
709 UINTN RedIndex;\r
710 UINTN GreenIndex;\r
711 UINTN BlueIndex;\r
712\r
713 Index = 0;\r
714 for (RedIndex = 0; RedIndex < 8; RedIndex++) {\r
715 for (GreenIndex = 0; GreenIndex < 8; GreenIndex++) {\r
716 for (BlueIndex = 0; BlueIndex < 4; BlueIndex++) {\r
717 SetPaletteColor (Private, Index, (UINT8) (RedIndex << 5), (UINT8) (GreenIndex << 5), (UINT8) (BlueIndex << 6));\r
718 Index++;\r
719 }\r
720 }\r
721 }\r
722}\r
723\r
724/**\r
725 TODO: Add function description\r
726\r
727 @param Private TODO: add argument description\r
728\r
729 TODO: add return values\r
730\r
731**/\r
732VOID\r
733ClearScreen (\r
734 QEMU_VIDEO_PRIVATE_DATA *Private\r
735 )\r
736{\r
737 UINT32 Color;\r
738\r
739 Color = 0;\r
740 Private->PciIo->Mem.Write (\r
741 Private->PciIo,\r
742 EfiPciIoWidthFillUint32,\r
743 0,\r
744 0,\r
745 0x400000 >> 2,\r
746 &Color\r
747 );\r
748}\r
749\r
750/**\r
751 TODO: Add function description\r
752\r
753 @param Private TODO: add argument description\r
754\r
755 TODO: add return values\r
756\r
757**/\r
758VOID\r
759DrawLogo (\r
760 QEMU_VIDEO_PRIVATE_DATA *Private,\r
761 UINTN ScreenWidth,\r
762 UINTN ScreenHeight\r
763 )\r
764{\r
765}\r
766\r
767/**\r
768 TODO: Add function description\r
769\r
770 @param Private TODO: add argument description\r
771 @param ModeData TODO: add argument description\r
772\r
773 TODO: add return values\r
774\r
775**/\r
776VOID\r
212aac55 777InitializeCirrusGraphicsMode (\r
eaf4f336 778 QEMU_VIDEO_PRIVATE_DATA *Private,\r
212aac55 779 QEMU_VIDEO_CIRRUS_MODES *ModeData\r
eaf4f336 780 )\r
781{\r
782 UINT8 Byte;\r
783 UINTN Index;\r
eaf4f336 784\r
785 outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);\r
786 outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);\r
787\r
788 for (Index = 0; Index < 15; Index++) {\r
789 outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);\r
790 }\r
791\r
212aac55 792 if (Private->Variant == QEMU_VIDEO_CIRRUS_5430) {\r
eaf4f336 793 outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);\r
794 Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);\r
795 outb (Private, SEQ_DATA_REGISTER, Byte);\r
796 }\r
797\r
798 outb (Private, MISC_OUTPUT_REGISTER, ModeData->MiscSetting);\r
799 outw (Private, GRAPH_ADDRESS_REGISTER, 0x0506);\r
800 outw (Private, SEQ_ADDRESS_REGISTER, 0x0300);\r
801 outw (Private, CRTC_ADDRESS_REGISTER, 0x2011);\r
802\r
803 for (Index = 0; Index < 28; Index++) {\r
804 outw (Private, CRTC_ADDRESS_REGISTER, (UINT16) ((ModeData->CrtcSettings[Index] << 8) | Index));\r
805 }\r
806\r
807 for (Index = 0; Index < 9; Index++) {\r
808 outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((GraphicsController[Index] << 8) | Index));\r
809 }\r
810\r
811 inb (Private, INPUT_STATUS_1_REGISTER);\r
812\r
813 for (Index = 0; Index < 21; Index++) {\r
814 outb (Private, ATT_ADDRESS_REGISTER, (UINT8) Index);\r
815 outb (Private, ATT_ADDRESS_REGISTER, AttributeController[Index]);\r
816 }\r
817\r
818 outb (Private, ATT_ADDRESS_REGISTER, 0x20);\r
819\r
820 outw (Private, GRAPH_ADDRESS_REGISTER, 0x0009);\r
821 outw (Private, GRAPH_ADDRESS_REGISTER, 0x000a);\r
822 outw (Private, GRAPH_ADDRESS_REGISTER, 0x000b);\r
823 outb (Private, DAC_PIXEL_MASK_REGISTER, 0xff);\r
824\r
54f9b9ac 825 SetDefaultPalette (Private);\r
826 ClearScreen (Private);\r
827}\r
828\r
829VOID\r
830BochsWrite (\r
831 QEMU_VIDEO_PRIVATE_DATA *Private,\r
832 UINT16 Reg,\r
833 UINT16 Data\r
834 )\r
835{\r
cdb4f5dc 836 EFI_STATUS Status;\r
837\r
838 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
839 Status = Private->PciIo->Mem.Write (\r
840 Private->PciIo,\r
841 EfiPciIoWidthUint16,\r
842 PCI_BAR_IDX2,\r
843 0x500 + (Reg << 1),\r
844 1,\r
845 &Data\r
846 );\r
847 ASSERT_EFI_ERROR (Status);\r
848 } else {\r
849 outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);\r
850 outw (Private, VBE_DISPI_IOPORT_DATA, Data);\r
851 }\r
54f9b9ac 852}\r
853\r
854UINT16\r
855BochsRead (\r
856 QEMU_VIDEO_PRIVATE_DATA *Private,\r
857 UINT16 Reg\r
858 )\r
859{\r
cdb4f5dc 860 EFI_STATUS Status;\r
861 UINT16 Data;\r
862\r
863 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
864 Status = Private->PciIo->Mem.Read (\r
865 Private->PciIo,\r
866 EfiPciIoWidthUint16,\r
867 PCI_BAR_IDX2,\r
868 0x500 + (Reg << 1),\r
869 1,\r
870 &Data\r
871 );\r
872 ASSERT_EFI_ERROR (Status);\r
873 } else {\r
874 outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);\r
875 Data = inw (Private, VBE_DISPI_IOPORT_DATA);\r
876 }\r
54f9b9ac 877 return Data;\r
878}\r
879\r
cdb4f5dc 880VOID\r
881VgaOutb (\r
882 QEMU_VIDEO_PRIVATE_DATA *Private,\r
883 UINTN Reg,\r
884 UINT8 Data\r
885 )\r
886{\r
887 EFI_STATUS Status;\r
888\r
889 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
890 Status = Private->PciIo->Mem.Write (\r
891 Private->PciIo,\r
892 EfiPciIoWidthUint8,\r
893 PCI_BAR_IDX2,\r
894 0x400 - 0x3c0 + Reg,\r
895 1,\r
896 &Data\r
897 );\r
898 ASSERT_EFI_ERROR (Status);\r
899 } else {\r
900 outb (Private, Reg, Data);\r
901 }\r
902}\r
903\r
54f9b9ac 904VOID\r
905InitializeBochsGraphicsMode (\r
906 QEMU_VIDEO_PRIVATE_DATA *Private,\r
907 QEMU_VIDEO_BOCHS_MODES *ModeData\r
908 )\r
909{\r
910 DEBUG ((EFI_D_INFO, "InitializeBochsGraphicsMode: %dx%d @ %d\n",\r
911 ModeData->Width, ModeData->Height, ModeData->ColorDepth));\r
912\r
913 /* unblank */\r
cdb4f5dc 914 VgaOutb (Private, ATT_ADDRESS_REGISTER, 0x20);\r
54f9b9ac 915\r
916 BochsWrite (Private, VBE_DISPI_INDEX_ENABLE, 0);\r
917 BochsWrite (Private, VBE_DISPI_INDEX_BANK, 0);\r
918 BochsWrite (Private, VBE_DISPI_INDEX_X_OFFSET, 0);\r
919 BochsWrite (Private, VBE_DISPI_INDEX_Y_OFFSET, 0);\r
920\r
921 BochsWrite (Private, VBE_DISPI_INDEX_BPP, (UINT16) ModeData->ColorDepth);\r
922 BochsWrite (Private, VBE_DISPI_INDEX_XRES, (UINT16) ModeData->Width);\r
923 BochsWrite (Private, VBE_DISPI_INDEX_VIRT_WIDTH, (UINT16) ModeData->Width);\r
924 BochsWrite (Private, VBE_DISPI_INDEX_YRES, (UINT16) ModeData->Height);\r
925 BochsWrite (Private, VBE_DISPI_INDEX_VIRT_HEIGHT, (UINT16) ModeData->Height);\r
926\r
927 BochsWrite (Private, VBE_DISPI_INDEX_ENABLE,\r
928 VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);\r
929\r
eaf4f336 930 SetDefaultPalette (Private);\r
931 ClearScreen (Private);\r
932}\r
933\r
934EFI_STATUS\r
935EFIAPI\r
936InitializeQemuVideo (\r
937 IN EFI_HANDLE ImageHandle,\r
938 IN EFI_SYSTEM_TABLE *SystemTable\r
939 )\r
940{\r
941 EFI_STATUS Status;\r
942\r
943 Status = EfiLibInstallDriverBindingComponentName2 (\r
944 ImageHandle,\r
945 SystemTable,\r
946 &gQemuVideoDriverBinding,\r
947 ImageHandle,\r
948 &gQemuVideoComponentName,\r
949 &gQemuVideoComponentName2\r
950 );\r
951 ASSERT_EFI_ERROR (Status);\r
952\r
953 //\r
954 // Install EFI Driver Supported EFI Version Protocol required for\r
955 // EFI drivers that are on PCI and other plug in cards.\r
956 //\r
957 gQemuVideoDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);\r
958 Status = gBS->InstallMultipleProtocolInterfaces (\r
959 &ImageHandle,\r
960 &gEfiDriverSupportedEfiVersionProtocolGuid,\r
961 &gQemuVideoDriverSupportedEfiVersion,\r
962 NULL\r
963 );\r
964 ASSERT_EFI_ERROR (Status);\r
965\r
966 return Status;\r
967}\r
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