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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 |
20 | EFI_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 | 29 | QEMU_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 | |
60 | static QEMU_VIDEO_CARD*\r | |
61 | QemuVideoDetect(\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 | |
89 | EFI_STATUS\r | |
90 | EFIAPI\r | |
91 | QemuVideoControllerDriverSupported (\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 | |
100 | EFI_DEV_PATH *Node;\r | |
212aac55 | 101 | QEMU_VIDEO_CARD *Card;\r |
eaf4f336 | 102 | \r |
103 | //\r | |
104 | // Open the PCI I/O Protocol\r | |
105 | //\r | |
106 | Status = gBS->OpenProtocol (\r | |
107 | Controller,\r | |
108 | &gEfiPciIoProtocolGuid,\r | |
109 | (VOID **) &PciIo,\r | |
110 | This->DriverBindingHandle,\r | |
111 | Controller,\r | |
112 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
113 | );\r | |
114 | if (EFI_ERROR (Status)) {\r | |
115 | return Status;\r | |
116 | }\r | |
117 | \r | |
118 | //\r | |
119 | // Read the PCI Configuration Header from the PCI Device\r | |
120 | //\r | |
121 | Status = PciIo->Pci.Read (\r | |
122 | PciIo,\r | |
123 | EfiPciIoWidthUint32,\r | |
124 | 0,\r | |
125 | sizeof (Pci) / sizeof (UINT32),\r | |
126 | &Pci\r | |
127 | );\r | |
128 | if (EFI_ERROR (Status)) {\r | |
129 | goto Done;\r | |
130 | }\r | |
131 | \r | |
132 | Status = EFI_UNSUPPORTED;\r | |
133 | //\r | |
134 | // See if the I/O enable is on. Most systems only allow one VGA device to be turned on\r | |
135 | // at a time, so see if this is one that is turned on.\r | |
136 | //\r | |
137 | // if (((Pci.Hdr.Command & 0x01) == 0x01)) {\r | |
138 | //\r | |
139 | // See if this is a Cirrus Logic PCI controller\r | |
140 | //\r | |
212aac55 | 141 | Card = QemuVideoDetect(Pci.Hdr.VendorId, Pci.Hdr.DeviceId);\r |
142 | if (Card != NULL) {\r | |
143 | DEBUG ((EFI_D_INFO, "QemuVideo: %s detected\n", Card->Name));\r | |
144 | Status = EFI_SUCCESS;\r | |
eaf4f336 | 145 | //\r |
212aac55 | 146 | // If this is an Intel 945 graphics controller,\r |
147 | // go further check RemainingDevicePath validation\r | |
eaf4f336 | 148 | //\r |
212aac55 | 149 | if (RemainingDevicePath != NULL) {\r |
150 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
eaf4f336 | 151 | //\r |
212aac55 | 152 | // Check if RemainingDevicePath is the End of Device Path Node, \r |
153 | // if yes, return EFI_SUCCESS\r | |
eaf4f336 | 154 | //\r |
212aac55 | 155 | if (!IsDevicePathEnd (Node)) {\r |
eaf4f336 | 156 | //\r |
212aac55 | 157 | // If RemainingDevicePath isn't the End of Device Path Node,\r |
158 | // check its validation\r | |
eaf4f336 | 159 | //\r |
212aac55 | 160 | if (Node->DevPath.Type != ACPI_DEVICE_PATH ||\r |
161 | Node->DevPath.SubType != ACPI_ADR_DP ||\r | |
162 | DevicePathNodeLength(&Node->DevPath) != sizeof(ACPI_ADR_DEVICE_PATH)) {\r | |
163 | Status = EFI_UNSUPPORTED;\r | |
eaf4f336 | 164 | }\r |
165 | }\r | |
166 | }\r | |
167 | }\r | |
168 | \r | |
169 | Done:\r | |
170 | //\r | |
171 | // Close the PCI I/O Protocol\r | |
172 | //\r | |
173 | gBS->CloseProtocol (\r | |
174 | Controller,\r | |
175 | &gEfiPciIoProtocolGuid,\r | |
176 | This->DriverBindingHandle,\r | |
177 | Controller\r | |
178 | );\r | |
179 | \r | |
180 | return Status;\r | |
181 | }\r | |
182 | \r | |
183 | /**\r | |
184 | Start to process the controller.\r | |
185 | \r | |
186 | @param This The USB bus driver binding instance.\r | |
187 | @param Controller The controller to check.\r | |
188 | @param RemainingDevicePath The remaining device patch.\r | |
189 | \r | |
190 | @retval EFI_SUCCESS The controller is controlled by the usb bus.\r | |
191 | @retval EFI_ALREADY_STARTED The controller is already controlled by the usb\r | |
192 | bus.\r | |
193 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resources.\r | |
194 | \r | |
195 | **/\r | |
196 | EFI_STATUS\r | |
197 | EFIAPI\r | |
198 | QemuVideoControllerDriverStart (\r | |
199 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
200 | IN EFI_HANDLE Controller,\r | |
201 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
202 | )\r | |
203 | {\r | |
cdb4f5dc | 204 | EFI_STATUS Status;\r |
205 | QEMU_VIDEO_PRIVATE_DATA *Private;\r | |
206 | BOOLEAN PciAttributesSaved;\r | |
207 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
208 | ACPI_ADR_DEVICE_PATH AcpiDeviceNode;\r | |
209 | PCI_TYPE00 Pci;\r | |
210 | QEMU_VIDEO_CARD *Card;\r | |
211 | EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *MmioDesc;\r | |
54f9b9ac | 212 | \r |
eaf4f336 | 213 | PciAttributesSaved = FALSE;\r |
214 | //\r | |
215 | // Allocate Private context data for GOP inteface.\r | |
216 | //\r | |
217 | Private = AllocateZeroPool (sizeof (QEMU_VIDEO_PRIVATE_DATA));\r | |
218 | if (Private == NULL) {\r | |
219 | Status = EFI_OUT_OF_RESOURCES;\r | |
220 | goto Error;\r | |
221 | }\r | |
222 | \r | |
223 | //\r | |
224 | // Set up context record\r | |
225 | //\r | |
226 | Private->Signature = QEMU_VIDEO_PRIVATE_DATA_SIGNATURE;\r | |
227 | Private->Handle = NULL;\r | |
228 | \r | |
229 | //\r | |
230 | // Open PCI I/O Protocol\r | |
231 | //\r | |
232 | Status = gBS->OpenProtocol (\r | |
233 | Controller,\r | |
234 | &gEfiPciIoProtocolGuid,\r | |
235 | (VOID **) &Private->PciIo,\r | |
236 | This->DriverBindingHandle,\r | |
237 | Controller,\r | |
238 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
239 | );\r | |
240 | if (EFI_ERROR (Status)) {\r | |
241 | goto Error;\r | |
242 | }\r | |
243 | \r | |
212aac55 | 244 | //\r |
245 | // Read the PCI Configuration Header from the PCI Device\r | |
246 | //\r | |
247 | Status = Private->PciIo->Pci.Read (\r | |
248 | Private->PciIo,\r | |
249 | EfiPciIoWidthUint32,\r | |
250 | 0,\r | |
251 | sizeof (Pci) / sizeof (UINT32),\r | |
252 | &Pci\r | |
253 | );\r | |
254 | if (EFI_ERROR (Status)) {\r | |
255 | goto Error;\r | |
256 | }\r | |
257 | \r | |
258 | Card = QemuVideoDetect(Pci.Hdr.VendorId, Pci.Hdr.DeviceId);\r | |
259 | if (Card == NULL) {\r | |
260 | Status = EFI_DEVICE_ERROR;\r | |
261 | goto Error;\r | |
262 | }\r | |
263 | Private->Variant = Card->Variant;\r | |
264 | \r | |
eaf4f336 | 265 | //\r |
266 | // Save original PCI attributes\r | |
267 | //\r | |
268 | Status = Private->PciIo->Attributes (\r | |
269 | Private->PciIo,\r | |
270 | EfiPciIoAttributeOperationGet,\r | |
271 | 0,\r | |
272 | &Private->OriginalPciAttributes\r | |
273 | );\r | |
274 | \r | |
275 | if (EFI_ERROR (Status)) {\r | |
276 | goto Error;\r | |
277 | }\r | |
278 | PciAttributesSaved = TRUE;\r | |
279 | \r | |
280 | Status = Private->PciIo->Attributes (\r | |
281 | Private->PciIo,\r | |
282 | EfiPciIoAttributeOperationEnable,\r | |
283 | EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,\r | |
284 | NULL\r | |
285 | );\r | |
286 | if (EFI_ERROR (Status)) {\r | |
287 | goto Error;\r | |
288 | }\r | |
289 | \r | |
cdb4f5dc | 290 | //\r |
291 | // Check whenever the qemu stdvga mmio bar is present (qemu 1.3+).\r | |
292 | //\r | |
293 | if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r | |
294 | Status = Private->PciIo->GetBarAttributes (\r | |
295 | Private->PciIo,\r | |
296 | PCI_BAR_IDX2,\r | |
297 | NULL,\r | |
298 | (VOID**) &MmioDesc\r | |
299 | );\r | |
300 | if (EFI_ERROR (Status) ||\r | |
301 | MmioDesc->ResType != ACPI_ADDRESS_SPACE_TYPE_MEM) {\r | |
302 | DEBUG ((EFI_D_INFO, "QemuVideo: No mmio bar, fallback to port io\n"));\r | |
303 | Private->Variant = QEMU_VIDEO_BOCHS;\r | |
304 | } else {\r | |
305 | DEBUG ((EFI_D_INFO, "QemuVideo: Using mmio bar @ 0x%lx\n",\r | |
306 | MmioDesc->AddrRangeMin));\r | |
307 | }\r | |
308 | }\r | |
309 | \r | |
54f9b9ac | 310 | //\r |
311 | // Check if accessing the bochs interface works.\r | |
312 | //\r | |
cdb4f5dc | 313 | if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||\r |
314 | Private->Variant == QEMU_VIDEO_BOCHS) {\r | |
54f9b9ac | 315 | UINT16 BochsId;\r |
316 | BochsId = BochsRead(Private, VBE_DISPI_INDEX_ID);\r | |
317 | if ((BochsId & 0xFFF0) != VBE_DISPI_ID0) {\r | |
318 | DEBUG ((EFI_D_INFO, "QemuVideo: BochsID mismatch (got 0x%x)\n", BochsId));\r | |
319 | Status = EFI_DEVICE_ERROR;\r | |
320 | goto Error;\r | |
321 | }\r | |
322 | }\r | |
323 | \r | |
eaf4f336 | 324 | //\r |
325 | // Get ParentDevicePath\r | |
326 | //\r | |
327 | Status = gBS->HandleProtocol (\r | |
328 | Controller,\r | |
329 | &gEfiDevicePathProtocolGuid,\r | |
330 | (VOID **) &ParentDevicePath\r | |
331 | );\r | |
332 | if (EFI_ERROR (Status)) {\r | |
333 | goto Error;\r | |
334 | }\r | |
335 | \r | |
336 | //\r | |
337 | // Set Gop Device Path\r | |
338 | //\r | |
339 | if (RemainingDevicePath == NULL) {\r | |
340 | ZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));\r | |
341 | AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;\r | |
342 | AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;\r | |
343 | AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);\r | |
344 | SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));\r | |
345 | \r | |
346 | Private->GopDevicePath = AppendDevicePathNode (\r | |
347 | ParentDevicePath,\r | |
348 | (EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode\r | |
349 | );\r | |
350 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
351 | //\r | |
352 | // If RemainingDevicePath isn't the End of Device Path Node, \r | |
353 | // only scan the specified device by RemainingDevicePath\r | |
354 | //\r | |
355 | Private->GopDevicePath = AppendDevicePathNode (ParentDevicePath, RemainingDevicePath);\r | |
356 | } else {\r | |
357 | //\r | |
358 | // If RemainingDevicePath is the End of Device Path Node, \r | |
359 | // don't create child device and return EFI_SUCCESS\r | |
360 | //\r | |
361 | Private->GopDevicePath = NULL;\r | |
362 | }\r | |
363 | \r | |
364 | if (Private->GopDevicePath != NULL) {\r | |
365 | //\r | |
366 | // Creat child handle and device path protocol firstly\r | |
367 | //\r | |
368 | Private->Handle = NULL;\r | |
369 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
370 | &Private->Handle,\r | |
371 | &gEfiDevicePathProtocolGuid,\r | |
372 | Private->GopDevicePath,\r | |
373 | NULL\r | |
374 | );\r | |
375 | }\r | |
376 | \r | |
377 | //\r | |
378 | // Construct video mode buffer\r | |
379 | //\r | |
212aac55 | 380 | switch (Private->Variant) {\r |
381 | case QEMU_VIDEO_CIRRUS_5430:\r | |
382 | case QEMU_VIDEO_CIRRUS_5446:\r | |
383 | Status = QemuVideoCirrusModeSetup (Private);\r | |
384 | break;\r | |
cdb4f5dc | 385 | case QEMU_VIDEO_BOCHS_MMIO:\r |
54f9b9ac | 386 | case QEMU_VIDEO_BOCHS:\r |
387 | Status = QemuVideoBochsModeSetup (Private);\r | |
388 | break;\r | |
212aac55 | 389 | default:\r |
390 | ASSERT (FALSE);\r | |
391 | Status = EFI_DEVICE_ERROR;\r | |
392 | break;\r | |
393 | }\r | |
eaf4f336 | 394 | if (EFI_ERROR (Status)) {\r |
395 | goto Error;\r | |
396 | }\r | |
397 | \r | |
398 | if (Private->GopDevicePath == NULL) {\r | |
399 | //\r | |
400 | // If RemainingDevicePath is the End of Device Path Node, \r | |
401 | // don't create child device and return EFI_SUCCESS\r | |
402 | //\r | |
403 | Status = EFI_SUCCESS;\r | |
404 | } else {\r | |
405 | \r | |
406 | //\r | |
407 | // Start the GOP software stack.\r | |
408 | //\r | |
409 | Status = QemuVideoGraphicsOutputConstructor (Private);\r | |
410 | ASSERT_EFI_ERROR (Status);\r | |
411 | \r | |
412 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
413 | &Private->Handle,\r | |
414 | &gEfiGraphicsOutputProtocolGuid,\r | |
415 | &Private->GraphicsOutput,\r | |
416 | NULL\r | |
417 | );\r | |
418 | }\r | |
419 | \r | |
420 | Error:\r | |
421 | if (EFI_ERROR (Status)) {\r | |
422 | if (Private) {\r | |
423 | if (Private->PciIo) {\r | |
424 | if (PciAttributesSaved == TRUE) {\r | |
425 | //\r | |
426 | // Restore original PCI attributes\r | |
427 | //\r | |
428 | Private->PciIo->Attributes (\r | |
429 | Private->PciIo,\r | |
430 | EfiPciIoAttributeOperationSet,\r | |
431 | Private->OriginalPciAttributes,\r | |
432 | NULL\r | |
433 | );\r | |
434 | }\r | |
435 | //\r | |
436 | // Close the PCI I/O Protocol\r | |
437 | //\r | |
438 | gBS->CloseProtocol (\r | |
439 | Private->Handle,\r | |
440 | &gEfiPciIoProtocolGuid,\r | |
441 | This->DriverBindingHandle,\r | |
442 | Private->Handle\r | |
443 | );\r | |
444 | }\r | |
445 | \r | |
446 | gBS->FreePool (Private);\r | |
447 | }\r | |
448 | }\r | |
449 | \r | |
450 | return Status;\r | |
451 | }\r | |
452 | \r | |
453 | /**\r | |
454 | Stop this device\r | |
455 | \r | |
456 | @param This The USB bus driver binding protocol.\r | |
457 | @param Controller The controller to release.\r | |
458 | @param NumberOfChildren The number of children of this device that\r | |
459 | opened the controller BY_CHILD.\r | |
460 | @param ChildHandleBuffer The array of child handle.\r | |
461 | \r | |
462 | @retval EFI_SUCCESS The controller or children are stopped.\r | |
463 | @retval EFI_DEVICE_ERROR Failed to stop the driver.\r | |
464 | \r | |
465 | **/\r | |
466 | EFI_STATUS\r | |
467 | EFIAPI\r | |
468 | QemuVideoControllerDriverStop (\r | |
469 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
470 | IN EFI_HANDLE Controller,\r | |
471 | IN UINTN NumberOfChildren,\r | |
472 | IN EFI_HANDLE *ChildHandleBuffer\r | |
473 | )\r | |
474 | {\r | |
475 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
476 | \r | |
477 | EFI_STATUS Status;\r | |
478 | QEMU_VIDEO_PRIVATE_DATA *Private;\r | |
479 | \r | |
480 | Status = gBS->OpenProtocol (\r | |
481 | Controller,\r | |
482 | &gEfiGraphicsOutputProtocolGuid,\r | |
483 | (VOID **) &GraphicsOutput,\r | |
484 | This->DriverBindingHandle,\r | |
485 | Controller,\r | |
486 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
487 | );\r | |
488 | if (EFI_ERROR (Status)) {\r | |
489 | return Status;\r | |
490 | }\r | |
491 | \r | |
492 | //\r | |
493 | // Get our private context information\r | |
494 | //\r | |
495 | Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);\r | |
496 | \r | |
497 | QemuVideoGraphicsOutputDestructor (Private);\r | |
498 | //\r | |
499 | // Remove the GOP protocol interface from the system\r | |
500 | //\r | |
501 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
502 | Private->Handle,\r | |
503 | &gEfiGraphicsOutputProtocolGuid,\r | |
504 | &Private->GraphicsOutput,\r | |
505 | NULL\r | |
506 | );\r | |
507 | \r | |
508 | if (EFI_ERROR (Status)) {\r | |
509 | return Status;\r | |
510 | }\r | |
511 | \r | |
512 | //\r | |
513 | // Restore original PCI attributes\r | |
514 | //\r | |
515 | Private->PciIo->Attributes (\r | |
516 | Private->PciIo,\r | |
517 | EfiPciIoAttributeOperationSet,\r | |
518 | Private->OriginalPciAttributes,\r | |
519 | NULL\r | |
520 | );\r | |
521 | \r | |
522 | //\r | |
523 | // Close the PCI I/O Protocol\r | |
524 | //\r | |
525 | gBS->CloseProtocol (\r | |
526 | Controller,\r | |
527 | &gEfiPciIoProtocolGuid,\r | |
528 | This->DriverBindingHandle,\r | |
529 | Controller\r | |
530 | );\r | |
531 | \r | |
532 | //\r | |
533 | // Free our instance data\r | |
534 | //\r | |
535 | gBS->FreePool (Private);\r | |
536 | \r | |
537 | return EFI_SUCCESS;\r | |
538 | }\r | |
539 | \r | |
540 | /**\r | |
541 | TODO: Add function description\r | |
542 | \r | |
543 | @param Private TODO: add argument description\r | |
544 | @param Address TODO: add argument description\r | |
545 | @param Data TODO: add argument description\r | |
546 | \r | |
547 | TODO: add return values\r | |
548 | \r | |
549 | **/\r | |
550 | VOID\r | |
551 | outb (\r | |
552 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
553 | UINTN Address,\r | |
554 | UINT8 Data\r | |
555 | )\r | |
556 | {\r | |
557 | Private->PciIo->Io.Write (\r | |
558 | Private->PciIo,\r | |
559 | EfiPciIoWidthUint8,\r | |
560 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
561 | Address,\r | |
562 | 1,\r | |
563 | &Data\r | |
564 | );\r | |
565 | }\r | |
566 | \r | |
567 | /**\r | |
568 | TODO: Add function description\r | |
569 | \r | |
570 | @param Private TODO: add argument description\r | |
571 | @param Address TODO: add argument description\r | |
572 | @param Data TODO: add argument description\r | |
573 | \r | |
574 | TODO: add return values\r | |
575 | \r | |
576 | **/\r | |
577 | VOID\r | |
578 | outw (\r | |
579 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
580 | UINTN Address,\r | |
581 | UINT16 Data\r | |
582 | )\r | |
583 | {\r | |
584 | Private->PciIo->Io.Write (\r | |
585 | Private->PciIo,\r | |
586 | EfiPciIoWidthUint16,\r | |
587 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
588 | Address,\r | |
589 | 1,\r | |
590 | &Data\r | |
591 | );\r | |
592 | }\r | |
593 | \r | |
594 | /**\r | |
595 | TODO: Add function description\r | |
596 | \r | |
597 | @param Private TODO: add argument description\r | |
598 | @param Address TODO: add argument description\r | |
599 | \r | |
600 | TODO: add return values\r | |
601 | \r | |
602 | **/\r | |
603 | UINT8\r | |
604 | inb (\r | |
605 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
606 | UINTN Address\r | |
607 | )\r | |
608 | {\r | |
609 | UINT8 Data;\r | |
610 | \r | |
611 | Private->PciIo->Io.Read (\r | |
612 | Private->PciIo,\r | |
613 | EfiPciIoWidthUint8,\r | |
614 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
615 | Address,\r | |
616 | 1,\r | |
617 | &Data\r | |
618 | );\r | |
619 | return Data;\r | |
620 | }\r | |
621 | \r | |
622 | /**\r | |
623 | TODO: Add function description\r | |
624 | \r | |
625 | @param Private TODO: add argument description\r | |
626 | @param Address TODO: add argument description\r | |
627 | \r | |
628 | TODO: add return values\r | |
629 | \r | |
630 | **/\r | |
631 | UINT16\r | |
632 | inw (\r | |
633 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
634 | UINTN Address\r | |
635 | )\r | |
636 | {\r | |
637 | UINT16 Data;\r | |
638 | \r | |
639 | Private->PciIo->Io.Read (\r | |
640 | Private->PciIo,\r | |
641 | EfiPciIoWidthUint16,\r | |
642 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
643 | Address,\r | |
644 | 1,\r | |
645 | &Data\r | |
646 | );\r | |
647 | return Data;\r | |
648 | }\r | |
649 | \r | |
650 | /**\r | |
651 | TODO: Add function description\r | |
652 | \r | |
653 | @param Private TODO: add argument description\r | |
654 | @param Index TODO: add argument description\r | |
655 | @param Red TODO: add argument description\r | |
656 | @param Green TODO: add argument description\r | |
657 | @param Blue TODO: add argument description\r | |
658 | \r | |
659 | TODO: add return values\r | |
660 | \r | |
661 | **/\r | |
662 | VOID\r | |
663 | SetPaletteColor (\r | |
664 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
665 | UINTN Index,\r | |
666 | UINT8 Red,\r | |
667 | UINT8 Green,\r | |
668 | UINT8 Blue\r | |
669 | )\r | |
670 | {\r | |
cdb4f5dc | 671 | VgaOutb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);\r |
672 | VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));\r | |
673 | VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));\r | |
674 | VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Blue >> 2));\r | |
eaf4f336 | 675 | }\r |
676 | \r | |
677 | /**\r | |
678 | TODO: Add function description\r | |
679 | \r | |
680 | @param Private TODO: add argument description\r | |
681 | \r | |
682 | TODO: add return values\r | |
683 | \r | |
684 | **/\r | |
685 | VOID\r | |
686 | SetDefaultPalette (\r | |
687 | QEMU_VIDEO_PRIVATE_DATA *Private\r | |
688 | )\r | |
689 | {\r | |
690 | UINTN Index;\r | |
691 | UINTN RedIndex;\r | |
692 | UINTN GreenIndex;\r | |
693 | UINTN BlueIndex;\r | |
694 | \r | |
695 | Index = 0;\r | |
696 | for (RedIndex = 0; RedIndex < 8; RedIndex++) {\r | |
697 | for (GreenIndex = 0; GreenIndex < 8; GreenIndex++) {\r | |
698 | for (BlueIndex = 0; BlueIndex < 4; BlueIndex++) {\r | |
699 | SetPaletteColor (Private, Index, (UINT8) (RedIndex << 5), (UINT8) (GreenIndex << 5), (UINT8) (BlueIndex << 6));\r | |
700 | Index++;\r | |
701 | }\r | |
702 | }\r | |
703 | }\r | |
704 | }\r | |
705 | \r | |
706 | /**\r | |
707 | TODO: Add function description\r | |
708 | \r | |
709 | @param Private TODO: add argument description\r | |
710 | \r | |
711 | TODO: add return values\r | |
712 | \r | |
713 | **/\r | |
714 | VOID\r | |
715 | ClearScreen (\r | |
716 | QEMU_VIDEO_PRIVATE_DATA *Private\r | |
717 | )\r | |
718 | {\r | |
719 | UINT32 Color;\r | |
720 | \r | |
721 | Color = 0;\r | |
722 | Private->PciIo->Mem.Write (\r | |
723 | Private->PciIo,\r | |
724 | EfiPciIoWidthFillUint32,\r | |
725 | 0,\r | |
726 | 0,\r | |
727 | 0x400000 >> 2,\r | |
728 | &Color\r | |
729 | );\r | |
730 | }\r | |
731 | \r | |
732 | /**\r | |
733 | TODO: Add function description\r | |
734 | \r | |
735 | @param Private TODO: add argument description\r | |
736 | \r | |
737 | TODO: add return values\r | |
738 | \r | |
739 | **/\r | |
740 | VOID\r | |
741 | DrawLogo (\r | |
742 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
743 | UINTN ScreenWidth,\r | |
744 | UINTN ScreenHeight\r | |
745 | )\r | |
746 | {\r | |
747 | }\r | |
748 | \r | |
749 | /**\r | |
750 | TODO: Add function description\r | |
751 | \r | |
752 | @param Private TODO: add argument description\r | |
753 | @param ModeData TODO: add argument description\r | |
754 | \r | |
755 | TODO: add return values\r | |
756 | \r | |
757 | **/\r | |
758 | VOID\r | |
212aac55 | 759 | InitializeCirrusGraphicsMode (\r |
eaf4f336 | 760 | QEMU_VIDEO_PRIVATE_DATA *Private,\r |
212aac55 | 761 | QEMU_VIDEO_CIRRUS_MODES *ModeData\r |
eaf4f336 | 762 | )\r |
763 | {\r | |
764 | UINT8 Byte;\r | |
765 | UINTN Index;\r | |
eaf4f336 | 766 | \r |
767 | outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);\r | |
768 | outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);\r | |
769 | \r | |
770 | for (Index = 0; Index < 15; Index++) {\r | |
771 | outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);\r | |
772 | }\r | |
773 | \r | |
212aac55 | 774 | if (Private->Variant == QEMU_VIDEO_CIRRUS_5430) {\r |
eaf4f336 | 775 | outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);\r |
776 | Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);\r | |
777 | outb (Private, SEQ_DATA_REGISTER, Byte);\r | |
778 | }\r | |
779 | \r | |
780 | outb (Private, MISC_OUTPUT_REGISTER, ModeData->MiscSetting);\r | |
781 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x0506);\r | |
782 | outw (Private, SEQ_ADDRESS_REGISTER, 0x0300);\r | |
783 | outw (Private, CRTC_ADDRESS_REGISTER, 0x2011);\r | |
784 | \r | |
785 | for (Index = 0; Index < 28; Index++) {\r | |
786 | outw (Private, CRTC_ADDRESS_REGISTER, (UINT16) ((ModeData->CrtcSettings[Index] << 8) | Index));\r | |
787 | }\r | |
788 | \r | |
789 | for (Index = 0; Index < 9; Index++) {\r | |
790 | outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((GraphicsController[Index] << 8) | Index));\r | |
791 | }\r | |
792 | \r | |
793 | inb (Private, INPUT_STATUS_1_REGISTER);\r | |
794 | \r | |
795 | for (Index = 0; Index < 21; Index++) {\r | |
796 | outb (Private, ATT_ADDRESS_REGISTER, (UINT8) Index);\r | |
797 | outb (Private, ATT_ADDRESS_REGISTER, AttributeController[Index]);\r | |
798 | }\r | |
799 | \r | |
800 | outb (Private, ATT_ADDRESS_REGISTER, 0x20);\r | |
801 | \r | |
802 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x0009);\r | |
803 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x000a);\r | |
804 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x000b);\r | |
805 | outb (Private, DAC_PIXEL_MASK_REGISTER, 0xff);\r | |
806 | \r | |
54f9b9ac | 807 | SetDefaultPalette (Private);\r |
808 | ClearScreen (Private);\r | |
809 | }\r | |
810 | \r | |
811 | VOID\r | |
812 | BochsWrite (\r | |
813 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
814 | UINT16 Reg,\r | |
815 | UINT16 Data\r | |
816 | )\r | |
817 | {\r | |
cdb4f5dc | 818 | EFI_STATUS Status;\r |
819 | \r | |
820 | if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r | |
821 | Status = Private->PciIo->Mem.Write (\r | |
822 | Private->PciIo,\r | |
823 | EfiPciIoWidthUint16,\r | |
824 | PCI_BAR_IDX2,\r | |
825 | 0x500 + (Reg << 1),\r | |
826 | 1,\r | |
827 | &Data\r | |
828 | );\r | |
829 | ASSERT_EFI_ERROR (Status);\r | |
830 | } else {\r | |
831 | outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);\r | |
832 | outw (Private, VBE_DISPI_IOPORT_DATA, Data);\r | |
833 | }\r | |
54f9b9ac | 834 | }\r |
835 | \r | |
836 | UINT16\r | |
837 | BochsRead (\r | |
838 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
839 | UINT16 Reg\r | |
840 | )\r | |
841 | {\r | |
cdb4f5dc | 842 | EFI_STATUS Status;\r |
843 | UINT16 Data;\r | |
844 | \r | |
845 | if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r | |
846 | Status = Private->PciIo->Mem.Read (\r | |
847 | Private->PciIo,\r | |
848 | EfiPciIoWidthUint16,\r | |
849 | PCI_BAR_IDX2,\r | |
850 | 0x500 + (Reg << 1),\r | |
851 | 1,\r | |
852 | &Data\r | |
853 | );\r | |
854 | ASSERT_EFI_ERROR (Status);\r | |
855 | } else {\r | |
856 | outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);\r | |
857 | Data = inw (Private, VBE_DISPI_IOPORT_DATA);\r | |
858 | }\r | |
54f9b9ac | 859 | return Data;\r |
860 | }\r | |
861 | \r | |
cdb4f5dc | 862 | VOID\r |
863 | VgaOutb (\r | |
864 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
865 | UINTN Reg,\r | |
866 | UINT8 Data\r | |
867 | )\r | |
868 | {\r | |
869 | EFI_STATUS Status;\r | |
870 | \r | |
871 | if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {\r | |
872 | Status = Private->PciIo->Mem.Write (\r | |
873 | Private->PciIo,\r | |
874 | EfiPciIoWidthUint8,\r | |
875 | PCI_BAR_IDX2,\r | |
876 | 0x400 - 0x3c0 + Reg,\r | |
877 | 1,\r | |
878 | &Data\r | |
879 | );\r | |
880 | ASSERT_EFI_ERROR (Status);\r | |
881 | } else {\r | |
882 | outb (Private, Reg, Data);\r | |
883 | }\r | |
884 | }\r | |
885 | \r | |
54f9b9ac | 886 | VOID\r |
887 | InitializeBochsGraphicsMode (\r | |
888 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
889 | QEMU_VIDEO_BOCHS_MODES *ModeData\r | |
890 | )\r | |
891 | {\r | |
892 | DEBUG ((EFI_D_INFO, "InitializeBochsGraphicsMode: %dx%d @ %d\n",\r | |
893 | ModeData->Width, ModeData->Height, ModeData->ColorDepth));\r | |
894 | \r | |
895 | /* unblank */\r | |
cdb4f5dc | 896 | VgaOutb (Private, ATT_ADDRESS_REGISTER, 0x20);\r |
54f9b9ac | 897 | \r |
898 | BochsWrite (Private, VBE_DISPI_INDEX_ENABLE, 0);\r | |
899 | BochsWrite (Private, VBE_DISPI_INDEX_BANK, 0);\r | |
900 | BochsWrite (Private, VBE_DISPI_INDEX_X_OFFSET, 0);\r | |
901 | BochsWrite (Private, VBE_DISPI_INDEX_Y_OFFSET, 0);\r | |
902 | \r | |
903 | BochsWrite (Private, VBE_DISPI_INDEX_BPP, (UINT16) ModeData->ColorDepth);\r | |
904 | BochsWrite (Private, VBE_DISPI_INDEX_XRES, (UINT16) ModeData->Width);\r | |
905 | BochsWrite (Private, VBE_DISPI_INDEX_VIRT_WIDTH, (UINT16) ModeData->Width);\r | |
906 | BochsWrite (Private, VBE_DISPI_INDEX_YRES, (UINT16) ModeData->Height);\r | |
907 | BochsWrite (Private, VBE_DISPI_INDEX_VIRT_HEIGHT, (UINT16) ModeData->Height);\r | |
908 | \r | |
909 | BochsWrite (Private, VBE_DISPI_INDEX_ENABLE,\r | |
910 | VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);\r | |
911 | \r | |
eaf4f336 | 912 | SetDefaultPalette (Private);\r |
913 | ClearScreen (Private);\r | |
914 | }\r | |
915 | \r | |
916 | EFI_STATUS\r | |
917 | EFIAPI\r | |
918 | InitializeQemuVideo (\r | |
919 | IN EFI_HANDLE ImageHandle,\r | |
920 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
921 | )\r | |
922 | {\r | |
923 | EFI_STATUS Status;\r | |
924 | \r | |
925 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
926 | ImageHandle,\r | |
927 | SystemTable,\r | |
928 | &gQemuVideoDriverBinding,\r | |
929 | ImageHandle,\r | |
930 | &gQemuVideoComponentName,\r | |
931 | &gQemuVideoComponentName2\r | |
932 | );\r | |
933 | ASSERT_EFI_ERROR (Status);\r | |
934 | \r | |
935 | //\r | |
936 | // Install EFI Driver Supported EFI Version Protocol required for\r | |
937 | // EFI drivers that are on PCI and other plug in cards.\r | |
938 | //\r | |
939 | gQemuVideoDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);\r | |
940 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
941 | &ImageHandle,\r | |
942 | &gEfiDriverSupportedEfiVersionProtocolGuid,\r | |
943 | &gQemuVideoDriverSupportedEfiVersion,\r | |
944 | NULL\r | |
945 | );\r | |
946 | ASSERT_EFI_ERROR (Status);\r | |
947 | \r | |
948 | return Status;\r | |
949 | }\r |