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OvmfPkg: QemuVideoDxe: simplify UEFI driver model use in Supported() / Start()
[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
cdb4f5dc 173 EFI_STATUS Status;\r
174 QEMU_VIDEO_PRIVATE_DATA *Private;\r
cdb4f5dc 175 EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
42d0cad7 176 ACPI_ADR_DEVICE_PATH AcpiDeviceNode;\r
cdb4f5dc 177 PCI_TYPE00 Pci;\r
178 QEMU_VIDEO_CARD *Card;\r
4374c2e5 179 EFI_PCI_IO_PROTOCOL *ChildPciIo;\r
54f9b9ac 180\r
eaf4f336 181 //\r
182 // Allocate Private context data for GOP inteface.\r
183 //\r
184 Private = AllocateZeroPool (sizeof (QEMU_VIDEO_PRIVATE_DATA));\r
185 if (Private == NULL) {\r
d89186bc 186 return EFI_OUT_OF_RESOURCES;\r
eaf4f336 187 }\r
188\r
189 //\r
190 // Set up context record\r
191 //\r
192 Private->Signature = QEMU_VIDEO_PRIVATE_DATA_SIGNATURE;\r
eaf4f336 193\r
194 //\r
195 // Open PCI I/O Protocol\r
196 //\r
197 Status = gBS->OpenProtocol (\r
198 Controller,\r
199 &gEfiPciIoProtocolGuid,\r
200 (VOID **) &Private->PciIo,\r
201 This->DriverBindingHandle,\r
202 Controller,\r
203 EFI_OPEN_PROTOCOL_BY_DRIVER\r
204 );\r
205 if (EFI_ERROR (Status)) {\r
d89186bc 206 goto FreePrivate;\r
eaf4f336 207 }\r
208\r
212aac55 209 //\r
210 // Read the PCI Configuration Header from the PCI Device\r
211 //\r
212 Status = Private->PciIo->Pci.Read (\r
213 Private->PciIo,\r
214 EfiPciIoWidthUint32,\r
215 0,\r
216 sizeof (Pci) / sizeof (UINT32),\r
217 &Pci\r
218 );\r
219 if (EFI_ERROR (Status)) {\r
d89186bc 220 goto ClosePciIo;\r
212aac55 221 }\r
222\r
d89186bc
LE		 223 //\r
224 // Determine card variant.\r
225 //\r
212aac55 226 Card = QemuVideoDetect(Pci.Hdr.VendorId, Pci.Hdr.DeviceId);\r
227 if (Card == NULL) {\r
228 Status = EFI_DEVICE_ERROR;\r
d89186bc 229 goto ClosePciIo;\r
212aac55 230 }\r
231 Private->Variant = Card->Variant;\r
232\r
eaf4f336 233 //\r
234 // Save original PCI attributes\r
235 //\r
236 Status = Private->PciIo->Attributes (\r
237 Private->PciIo,\r
238 EfiPciIoAttributeOperationGet,\r
239 0,\r
240 &Private->OriginalPciAttributes\r
241 );\r
242\r
243 if (EFI_ERROR (Status)) {\r
d89186bc 244 goto ClosePciIo;\r
eaf4f336 245 }\r
eaf4f336 246\r
d89186bc
LE		 247 //\r
248 // Set new PCI attributes\r
249 //\r
eaf4f336 250 Status = Private->PciIo->Attributes (\r
251 Private->PciIo,\r
252 EfiPciIoAttributeOperationEnable,\r
253 EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,\r
254 NULL\r
255 );\r
256 if (EFI_ERROR (Status)) {\r
d89186bc 257 goto ClosePciIo;\r
eaf4f336 258 }\r
259\r
cdb4f5dc 260 //\r
261 // Check whenever the qemu stdvga mmio bar is present (qemu 1.3+).\r
262 //\r
263 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
d89186bc
LE		 264 EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *MmioDesc;\r
265\r
cdb4f5dc 266 Status = Private->PciIo->GetBarAttributes (\r
267 Private->PciIo,\r
268 PCI_BAR_IDX2,\r
269 NULL,\r
270 (VOID**) &MmioDesc\r
271 );\r
272 if (EFI_ERROR (Status) ||\r
273 MmioDesc->ResType != ACPI_ADDRESS_SPACE_TYPE_MEM) {\r
274 DEBUG ((EFI_D_INFO, "QemuVideo: No mmio bar, fallback to port io\n"));\r
275 Private->Variant = QEMU_VIDEO_BOCHS;\r
276 } else {\r
277 DEBUG ((EFI_D_INFO, "QemuVideo: Using mmio bar @ 0x%lx\n",\r
278 MmioDesc->AddrRangeMin));\r
279 }\r
5cdb96fa
LE		 280\r
281 if (!EFI_ERROR (Status)) {\r
282 FreePool (MmioDesc);\r
283 }\r
cdb4f5dc 284 }\r
285\r
54f9b9ac 286 //\r
287 // Check if accessing the bochs interface works.\r
288 //\r
cdb4f5dc 289 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||\r
290 Private->Variant == QEMU_VIDEO_BOCHS) {\r
54f9b9ac 291 UINT16 BochsId;\r
292 BochsId = BochsRead(Private, VBE_DISPI_INDEX_ID);\r
293 if ((BochsId & 0xFFF0) != VBE_DISPI_ID0) {\r
294 DEBUG ((EFI_D_INFO, "QemuVideo: BochsID mismatch (got 0x%x)\n", BochsId));\r
295 Status = EFI_DEVICE_ERROR;\r
d89186bc 296 goto RestoreAttributes;\r
54f9b9ac 297 }\r
298 }\r
299\r
eaf4f336 300 //\r
301 // Get ParentDevicePath\r
302 //\r
303 Status = gBS->HandleProtocol (\r
304 Controller,\r
305 &gEfiDevicePathProtocolGuid,\r
306 (VOID **) &ParentDevicePath\r
307 );\r
308 if (EFI_ERROR (Status)) {\r
d89186bc 309 goto RestoreAttributes;\r
eaf4f336 310 }\r
311\r
312 //\r
313 // Set Gop Device Path\r
314 //\r
42d0cad7
LE		 315 ZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));\r
316 AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;\r
317 AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;\r
318 AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);\r
319 SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));\r
320\r
321 Private->GopDevicePath = AppendDevicePathNode (\r
322 ParentDevicePath,\r
323 (EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode\r
324 );\r
325 if (Private->GopDevicePath == NULL) {\r
326 Status = EFI_OUT_OF_RESOURCES;\r
327 goto RestoreAttributes;\r
eaf4f336 328 }\r
d89186bc
LE		 329\r
330 //\r
42d0cad7 331 // Create new child handle and install the device path protocol on it.\r
d89186bc 332 //\r
42d0cad7
LE		 333 Status = gBS->InstallMultipleProtocolInterfaces (\r
334 &Private->Handle,\r
335 &gEfiDevicePathProtocolGuid,\r
336 Private->GopDevicePath,\r
337 NULL\r
338 );\r
339 if (EFI_ERROR (Status)) {\r
340 goto FreeGopDevicePath;\r
eaf4f336 341 }\r
342\r
343 //\r
344 // Construct video mode buffer\r
345 //\r
212aac55 346 switch (Private->Variant) {\r
347 case QEMU_VIDEO_CIRRUS_5430:\r
348 case QEMU_VIDEO_CIRRUS_5446:\r
349 Status = QemuVideoCirrusModeSetup (Private);\r
350 break;\r
cdb4f5dc 351 case QEMU_VIDEO_BOCHS_MMIO:\r
54f9b9ac 352 case QEMU_VIDEO_BOCHS:\r
353 Status = QemuVideoBochsModeSetup (Private);\r
354 break;\r
212aac55 355 default:\r
356 ASSERT (FALSE);\r
357 Status = EFI_DEVICE_ERROR;\r
358 break;\r
359 }\r
eaf4f336 360 if (EFI_ERROR (Status)) {\r
d89186bc 361 goto UninstallGopDevicePath;\r
eaf4f336 362 }\r
363\r
d89186bc
LE		 364 //\r
365 // Start the GOP software stack.\r
366 //\r
367 Status = QemuVideoGraphicsOutputConstructor (Private);\r
368 if (EFI_ERROR (Status)) {\r
369 goto FreeModeData;\r
370 }\r
4374c2e5 371\r
d89186bc
LE		 372 Status = gBS->InstallMultipleProtocolInterfaces (\r
373 &Private->Handle,\r
374 &gEfiGraphicsOutputProtocolGuid,\r
375 &Private->GraphicsOutput,\r
376 NULL\r
4374c2e5 377 );\r
d89186bc
LE		 378 if (EFI_ERROR (Status)) {\r
379 goto DestructQemuVideoGraphics;\r
eaf4f336 380 }\r
381\r
d89186bc
LE		 382 //\r
383 // Reference parent handle from child handle.\r
384 //\r
385 Status = gBS->OpenProtocol (\r
386 Controller,\r
387 &gEfiPciIoProtocolGuid,\r
388 (VOID **) &ChildPciIo,\r
389 This->DriverBindingHandle,\r
390 Private->Handle,\r
391 EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
392 );\r
eaf4f336 393 if (EFI_ERROR (Status)) {\r
d89186bc
LE		 394 goto UninstallGop;\r
395 }\r
eaf4f336 396\r
d89186bc
LE		 397 return EFI_SUCCESS;\r
398\r
399UninstallGop:\r
400 gBS->UninstallProtocolInterface (Private->Handle,\r
401 &gEfiGraphicsOutputProtocolGuid, &Private->GraphicsOutput);\r
402\r
403DestructQemuVideoGraphics:\r
404 QemuVideoGraphicsOutputDestructor (Private);\r
405\r
406FreeModeData:\r
407 FreePool (Private->ModeData);\r
408\r
409UninstallGopDevicePath:\r
d89186bc
LE		 410 gBS->UninstallProtocolInterface (Private->Handle,\r
411 &gEfiDevicePathProtocolGuid, Private->GopDevicePath);\r
412\r
413FreeGopDevicePath:\r
42d0cad7 414 FreePool (Private->GopDevicePath);\r
eaf4f336 415\r
d89186bc
LE		 416RestoreAttributes:\r
417 Private->PciIo->Attributes (Private->PciIo, EfiPciIoAttributeOperationSet,\r
418 Private->OriginalPciAttributes, NULL);\r
419\r
420ClosePciIo:\r
421 gBS->CloseProtocol (Controller, &gEfiPciIoProtocolGuid,\r
422 This->DriverBindingHandle, Controller);\r
423\r
424FreePrivate:\r
425 FreePool (Private);\r
426\r
eaf4f336 427 return Status;\r
428}\r
429\r
430/**\r
431 Stop this device\r
432\r
433 @param This The USB bus driver binding protocol.\r
434 @param Controller The controller to release.\r
435 @param NumberOfChildren The number of children of this device that\r
436 opened the controller BY_CHILD.\r
437 @param ChildHandleBuffer The array of child handle.\r
438\r
439 @retval EFI_SUCCESS The controller or children are stopped.\r
440 @retval EFI_DEVICE_ERROR Failed to stop the driver.\r
441\r
442**/\r
443EFI_STATUS\r
444EFIAPI\r
445QemuVideoControllerDriverStop (\r
446 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
447 IN EFI_HANDLE Controller,\r
448 IN UINTN NumberOfChildren,\r
449 IN EFI_HANDLE *ChildHandleBuffer\r
450 )\r
451{\r
452 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
453\r
454 EFI_STATUS Status;\r
455 QEMU_VIDEO_PRIVATE_DATA *Private;\r
456\r
457 Status = gBS->OpenProtocol (\r
458 Controller,\r
459 &gEfiGraphicsOutputProtocolGuid,\r
460 (VOID **) &GraphicsOutput,\r
461 This->DriverBindingHandle,\r
462 Controller,\r
463 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
464 );\r
465 if (EFI_ERROR (Status)) {\r
466 return Status;\r
467 }\r
468\r
469 //\r
470 // Get our private context information\r
471 //\r
472 Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);\r
473\r
474 QemuVideoGraphicsOutputDestructor (Private);\r
475 //\r
476 // Remove the GOP protocol interface from the system\r
477 //\r
478 Status = gBS->UninstallMultipleProtocolInterfaces (\r
479 Private->Handle,\r
480 &gEfiGraphicsOutputProtocolGuid,\r
481 &Private->GraphicsOutput,\r
482 NULL\r
483 );\r
484\r
485 if (EFI_ERROR (Status)) {\r
486 return Status;\r
487 }\r
488\r
489 //\r
490 // Restore original PCI attributes\r
491 //\r
492 Private->PciIo->Attributes (\r
493 Private->PciIo,\r
494 EfiPciIoAttributeOperationSet,\r
495 Private->OriginalPciAttributes,\r
496 NULL\r
497 );\r
498\r
499 //\r
500 // Close the PCI I/O Protocol\r
501 //\r
502 gBS->CloseProtocol (\r
503 Controller,\r
504 &gEfiPciIoProtocolGuid,\r
505 This->DriverBindingHandle,\r
506 Controller\r
507 );\r
508\r
4374c2e5
CR		 509 gBS->CloseProtocol (\r
510 Controller,\r
511 &gEfiPciIoProtocolGuid,\r
512 This->DriverBindingHandle,\r
513 Private->Handle\r
514 );\r
515\r
eaf4f336 516 //\r
517 // Free our instance data\r
518 //\r
519 gBS->FreePool (Private);\r
520\r
521 return EFI_SUCCESS;\r
522}\r
523\r
524/**\r
525 TODO: Add function description\r
526\r
527 @param Private TODO: add argument description\r
528 @param Address TODO: add argument description\r
529 @param Data TODO: add argument description\r
530\r
531 TODO: add return values\r
532\r
533**/\r
534VOID\r
535outb (\r
536 QEMU_VIDEO_PRIVATE_DATA *Private,\r
537 UINTN Address,\r
538 UINT8 Data\r
539 )\r
540{\r
541 Private->PciIo->Io.Write (\r
542 Private->PciIo,\r
543 EfiPciIoWidthUint8,\r
544 EFI_PCI_IO_PASS_THROUGH_BAR,\r
545 Address,\r
546 1,\r
547 &Data\r
548 );\r
549}\r
550\r
551/**\r
552 TODO: Add function description\r
553\r
554 @param Private TODO: add argument description\r
555 @param Address TODO: add argument description\r
556 @param Data TODO: add argument description\r
557\r
558 TODO: add return values\r
559\r
560**/\r
561VOID\r
562outw (\r
563 QEMU_VIDEO_PRIVATE_DATA *Private,\r
564 UINTN Address,\r
565 UINT16 Data\r
566 )\r
567{\r
568 Private->PciIo->Io.Write (\r
569 Private->PciIo,\r
570 EfiPciIoWidthUint16,\r
571 EFI_PCI_IO_PASS_THROUGH_BAR,\r
572 Address,\r
573 1,\r
574 &Data\r
575 );\r
576}\r
577\r
578/**\r
579 TODO: Add function description\r
580\r
581 @param Private TODO: add argument description\r
582 @param Address TODO: add argument description\r
583\r
584 TODO: add return values\r
585\r
586**/\r
587UINT8\r
588inb (\r
589 QEMU_VIDEO_PRIVATE_DATA *Private,\r
590 UINTN Address\r
591 )\r
592{\r
593 UINT8 Data;\r
594\r
595 Private->PciIo->Io.Read (\r
596 Private->PciIo,\r
597 EfiPciIoWidthUint8,\r
598 EFI_PCI_IO_PASS_THROUGH_BAR,\r
599 Address,\r
600 1,\r
601 &Data\r
602 );\r
603 return Data;\r
604}\r
605\r
606/**\r
607 TODO: Add function description\r
608\r
609 @param Private TODO: add argument description\r
610 @param Address TODO: add argument description\r
611\r
612 TODO: add return values\r
613\r
614**/\r
615UINT16\r
616inw (\r
617 QEMU_VIDEO_PRIVATE_DATA *Private,\r
618 UINTN Address\r
619 )\r
620{\r
621 UINT16 Data;\r
622\r
623 Private->PciIo->Io.Read (\r
624 Private->PciIo,\r
625 EfiPciIoWidthUint16,\r
626 EFI_PCI_IO_PASS_THROUGH_BAR,\r
627 Address,\r
628 1,\r
629 &Data\r
630 );\r
631 return Data;\r
632}\r
633\r
634/**\r
635 TODO: Add function description\r
636\r
637 @param Private TODO: add argument description\r
638 @param Index TODO: add argument description\r
639 @param Red TODO: add argument description\r
640 @param Green TODO: add argument description\r
641 @param Blue TODO: add argument description\r
642\r
643 TODO: add return values\r
644\r
645**/\r
646VOID\r
647SetPaletteColor (\r
648 QEMU_VIDEO_PRIVATE_DATA *Private,\r
649 UINTN Index,\r
650 UINT8 Red,\r
651 UINT8 Green,\r
652 UINT8 Blue\r
653 )\r
654{\r
cdb4f5dc 655 VgaOutb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);\r
656 VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));\r
657 VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));\r
658 VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Blue >> 2));\r
eaf4f336 659}\r
660\r
661/**\r
662 TODO: Add function description\r
663\r
664 @param Private TODO: add argument description\r
665\r
666 TODO: add return values\r
667\r
668**/\r
669VOID\r
670SetDefaultPalette (\r
671 QEMU_VIDEO_PRIVATE_DATA *Private\r
672 )\r
673{\r
674 UINTN Index;\r
675 UINTN RedIndex;\r
676 UINTN GreenIndex;\r
677 UINTN BlueIndex;\r
678\r
679 Index = 0;\r
680 for (RedIndex = 0; RedIndex < 8; RedIndex++) {\r
681 for (GreenIndex = 0; GreenIndex < 8; GreenIndex++) {\r
682 for (BlueIndex = 0; BlueIndex < 4; BlueIndex++) {\r
683 SetPaletteColor (Private, Index, (UINT8) (RedIndex << 5), (UINT8) (GreenIndex << 5), (UINT8) (BlueIndex << 6));\r
684 Index++;\r
685 }\r
686 }\r
687 }\r
688}\r
689\r
690/**\r
691 TODO: Add function description\r
692\r
693 @param Private TODO: add argument description\r
694\r
695 TODO: add return values\r
696\r
697**/\r
698VOID\r
699ClearScreen (\r
700 QEMU_VIDEO_PRIVATE_DATA *Private\r
701 )\r
702{\r
703 UINT32 Color;\r
704\r
705 Color = 0;\r
706 Private->PciIo->Mem.Write (\r
707 Private->PciIo,\r
708 EfiPciIoWidthFillUint32,\r
709 0,\r
710 0,\r
711 0x400000 >> 2,\r
712 &Color\r
713 );\r
714}\r
715\r
716/**\r
717 TODO: Add function description\r
718\r
719 @param Private TODO: add argument description\r
720\r
721 TODO: add return values\r
722\r
723**/\r
724VOID\r
725DrawLogo (\r
726 QEMU_VIDEO_PRIVATE_DATA *Private,\r
727 UINTN ScreenWidth,\r
728 UINTN ScreenHeight\r
729 )\r
730{\r
731}\r
732\r
733/**\r
734 TODO: Add function description\r
735\r
736 @param Private TODO: add argument description\r
737 @param ModeData TODO: add argument description\r
738\r
739 TODO: add return values\r
740\r
741**/\r
742VOID\r
212aac55 743InitializeCirrusGraphicsMode (\r
eaf4f336 744 QEMU_VIDEO_PRIVATE_DATA *Private,\r
212aac55 745 QEMU_VIDEO_CIRRUS_MODES *ModeData\r
eaf4f336 746 )\r
747{\r
748 UINT8 Byte;\r
749 UINTN Index;\r
eaf4f336 750\r
751 outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);\r
752 outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);\r
753\r
754 for (Index = 0; Index < 15; Index++) {\r
755 outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);\r
756 }\r
757\r
212aac55 758 if (Private->Variant == QEMU_VIDEO_CIRRUS_5430) {\r
eaf4f336 759 outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);\r
760 Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);\r
761 outb (Private, SEQ_DATA_REGISTER, Byte);\r
762 }\r
763\r
764 outb (Private, MISC_OUTPUT_REGISTER, ModeData->MiscSetting);\r
765 outw (Private, GRAPH_ADDRESS_REGISTER, 0x0506);\r
766 outw (Private, SEQ_ADDRESS_REGISTER, 0x0300);\r
767 outw (Private, CRTC_ADDRESS_REGISTER, 0x2011);\r
768\r
769 for (Index = 0; Index < 28; Index++) {\r
770 outw (Private, CRTC_ADDRESS_REGISTER, (UINT16) ((ModeData->CrtcSettings[Index] << 8) | Index));\r
771 }\r
772\r
773 for (Index = 0; Index < 9; Index++) {\r
774 outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((GraphicsController[Index] << 8) | Index));\r
775 }\r
776\r
777 inb (Private, INPUT_STATUS_1_REGISTER);\r
778\r
779 for (Index = 0; Index < 21; Index++) {\r
780 outb (Private, ATT_ADDRESS_REGISTER, (UINT8) Index);\r
781 outb (Private, ATT_ADDRESS_REGISTER, AttributeController[Index]);\r
782 }\r
783\r
784 outb (Private, ATT_ADDRESS_REGISTER, 0x20);\r
785\r
786 outw (Private, GRAPH_ADDRESS_REGISTER, 0x0009);\r
787 outw (Private, GRAPH_ADDRESS_REGISTER, 0x000a);\r
788 outw (Private, GRAPH_ADDRESS_REGISTER, 0x000b);\r
789 outb (Private, DAC_PIXEL_MASK_REGISTER, 0xff);\r
790\r
54f9b9ac 791 SetDefaultPalette (Private);\r
792 ClearScreen (Private);\r
793}\r
794\r
795VOID\r
796BochsWrite (\r
797 QEMU_VIDEO_PRIVATE_DATA *Private,\r
798 UINT16 Reg,\r
799 UINT16 Data\r
800 )\r
801{\r
cdb4f5dc 802 EFI_STATUS Status;\r
803\r
804 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
805 Status = Private->PciIo->Mem.Write (\r
806 Private->PciIo,\r
807 EfiPciIoWidthUint16,\r
808 PCI_BAR_IDX2,\r
809 0x500 + (Reg << 1),\r
810 1,\r
811 &Data\r
812 );\r
813 ASSERT_EFI_ERROR (Status);\r
814 } else {\r
815 outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);\r
816 outw (Private, VBE_DISPI_IOPORT_DATA, Data);\r
817 }\r
54f9b9ac 818}\r
819\r
820UINT16\r
821BochsRead (\r
822 QEMU_VIDEO_PRIVATE_DATA *Private,\r
823 UINT16 Reg\r
824 )\r
825{\r
cdb4f5dc 826 EFI_STATUS Status;\r
827 UINT16 Data;\r
828\r
829 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
830 Status = Private->PciIo->Mem.Read (\r
831 Private->PciIo,\r
832 EfiPciIoWidthUint16,\r
833 PCI_BAR_IDX2,\r
834 0x500 + (Reg << 1),\r
835 1,\r
836 &Data\r
837 );\r
838 ASSERT_EFI_ERROR (Status);\r
839 } else {\r
840 outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);\r
841 Data = inw (Private, VBE_DISPI_IOPORT_DATA);\r
842 }\r
54f9b9ac 843 return Data;\r
844}\r
845\r
cdb4f5dc 846VOID\r
847VgaOutb (\r
848 QEMU_VIDEO_PRIVATE_DATA *Private,\r
849 UINTN Reg,\r
850 UINT8 Data\r
851 )\r
852{\r
853 EFI_STATUS Status;\r
854\r
855 if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r
856 Status = Private->PciIo->Mem.Write (\r
857 Private->PciIo,\r
858 EfiPciIoWidthUint8,\r
859 PCI_BAR_IDX2,\r
860 0x400 - 0x3c0 + Reg,\r
861 1,\r
862 &Data\r
863 );\r
864 ASSERT_EFI_ERROR (Status);\r
865 } else {\r
866 outb (Private, Reg, Data);\r
867 }\r
868}\r
869\r
54f9b9ac 870VOID\r
871InitializeBochsGraphicsMode (\r
872 QEMU_VIDEO_PRIVATE_DATA *Private,\r
873 QEMU_VIDEO_BOCHS_MODES *ModeData\r
874 )\r
875{\r
876 DEBUG ((EFI_D_INFO, "InitializeBochsGraphicsMode: %dx%d @ %d\n",\r
877 ModeData->Width, ModeData->Height, ModeData->ColorDepth));\r
878\r
879 /* unblank */\r
cdb4f5dc 880 VgaOutb (Private, ATT_ADDRESS_REGISTER, 0x20);\r
54f9b9ac 881\r
882 BochsWrite (Private, VBE_DISPI_INDEX_ENABLE, 0);\r
883 BochsWrite (Private, VBE_DISPI_INDEX_BANK, 0);\r
884 BochsWrite (Private, VBE_DISPI_INDEX_X_OFFSET, 0);\r
885 BochsWrite (Private, VBE_DISPI_INDEX_Y_OFFSET, 0);\r
886\r
887 BochsWrite (Private, VBE_DISPI_INDEX_BPP, (UINT16) ModeData->ColorDepth);\r
888 BochsWrite (Private, VBE_DISPI_INDEX_XRES, (UINT16) ModeData->Width);\r
889 BochsWrite (Private, VBE_DISPI_INDEX_VIRT_WIDTH, (UINT16) ModeData->Width);\r
890 BochsWrite (Private, VBE_DISPI_INDEX_YRES, (UINT16) ModeData->Height);\r
891 BochsWrite (Private, VBE_DISPI_INDEX_VIRT_HEIGHT, (UINT16) ModeData->Height);\r
892\r
893 BochsWrite (Private, VBE_DISPI_INDEX_ENABLE,\r
894 VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);\r
895\r
eaf4f336 896 SetDefaultPalette (Private);\r
897 ClearScreen (Private);\r
898}\r
899\r
900EFI_STATUS\r
901EFIAPI\r
902InitializeQemuVideo (\r
903 IN EFI_HANDLE ImageHandle,\r
904 IN EFI_SYSTEM_TABLE *SystemTable\r
905 )\r
906{\r
907 EFI_STATUS Status;\r
908\r
909 Status = EfiLibInstallDriverBindingComponentName2 (\r
910 ImageHandle,\r
911 SystemTable,\r
912 &gQemuVideoDriverBinding,\r
913 ImageHandle,\r
914 &gQemuVideoComponentName,\r
915 &gQemuVideoComponentName2\r
916 );\r
917 ASSERT_EFI_ERROR (Status);\r
918\r
919 //\r
920 // Install EFI Driver Supported EFI Version Protocol required for\r
921 // EFI drivers that are on PCI and other plug in cards.\r
922 //\r
923 gQemuVideoDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);\r
924 Status = gBS->InstallMultipleProtocolInterfaces (\r
925 &ImageHandle,\r
926 &gEfiDriverSupportedEfiVersionProtocolGuid,\r
927 &gQemuVideoDriverSupportedEfiVersion,\r
928 NULL\r
929 );\r
930 ASSERT_EFI_ERROR (Status);\r
931\r
932 return Status;\r
933}\r
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