]>
Commit | Line | Data |
---|---|---|
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 | |
18 | \r | |
19 | EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding = {\r | |
20 | QemuVideoControllerDriverSupported,\r | |
21 | QemuVideoControllerDriverStart,\r | |
22 | QemuVideoControllerDriverStop,\r | |
23 | 0x10,\r | |
24 | NULL,\r | |
25 | NULL\r | |
26 | };\r | |
27 | \r | |
28 | /**\r | |
29 | Check if this device is supported.\r | |
30 | \r | |
31 | @param This The driver binding protocol.\r | |
32 | @param Controller The controller handle to check.\r | |
33 | @param RemainingDevicePath The remaining device path.\r | |
34 | \r | |
35 | @retval EFI_SUCCESS The bus supports this controller.\r | |
36 | @retval EFI_UNSUPPORTED This device isn't supported.\r | |
37 | \r | |
38 | **/\r | |
39 | EFI_STATUS\r | |
40 | EFIAPI\r | |
41 | QemuVideoControllerDriverSupported (\r | |
42 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
43 | IN EFI_HANDLE Controller,\r | |
44 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
45 | )\r | |
46 | {\r | |
47 | EFI_STATUS Status;\r | |
48 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
49 | PCI_TYPE00 Pci;\r | |
50 | EFI_DEV_PATH *Node;\r | |
51 | \r | |
52 | //\r | |
53 | // Open the PCI I/O Protocol\r | |
54 | //\r | |
55 | Status = gBS->OpenProtocol (\r | |
56 | Controller,\r | |
57 | &gEfiPciIoProtocolGuid,\r | |
58 | (VOID **) &PciIo,\r | |
59 | This->DriverBindingHandle,\r | |
60 | Controller,\r | |
61 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
62 | );\r | |
63 | if (EFI_ERROR (Status)) {\r | |
64 | return Status;\r | |
65 | }\r | |
66 | \r | |
67 | //\r | |
68 | // Read the PCI Configuration Header from the PCI Device\r | |
69 | //\r | |
70 | Status = PciIo->Pci.Read (\r | |
71 | PciIo,\r | |
72 | EfiPciIoWidthUint32,\r | |
73 | 0,\r | |
74 | sizeof (Pci) / sizeof (UINT32),\r | |
75 | &Pci\r | |
76 | );\r | |
77 | if (EFI_ERROR (Status)) {\r | |
78 | goto Done;\r | |
79 | }\r | |
80 | \r | |
81 | Status = EFI_UNSUPPORTED;\r | |
82 | //\r | |
83 | // See if the I/O enable is on. Most systems only allow one VGA device to be turned on\r | |
84 | // at a time, so see if this is one that is turned on.\r | |
85 | //\r | |
86 | // if (((Pci.Hdr.Command & 0x01) == 0x01)) {\r | |
87 | //\r | |
88 | // See if this is a Cirrus Logic PCI controller\r | |
89 | //\r | |
90 | if (Pci.Hdr.VendorId == CIRRUS_LOGIC_VENDOR_ID) {\r | |
91 | //\r | |
92 | // See if this is a 5430 or a 5446 PCI controller\r | |
93 | //\r | |
94 | if (Pci.Hdr.DeviceId == CIRRUS_LOGIC_5430_DEVICE_ID || \r | |
95 | Pci.Hdr.DeviceId == CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID ||\r | |
96 | Pci.Hdr.DeviceId == CIRRUS_LOGIC_5446_DEVICE_ID) {\r | |
97 | \r | |
98 | Status = EFI_SUCCESS;\r | |
99 | //\r | |
100 | // If this is an Intel 945 graphics controller,\r | |
101 | // go further check RemainingDevicePath validation\r | |
102 | //\r | |
103 | if (RemainingDevicePath != NULL) {\r | |
104 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
105 | //\r | |
106 | // Check if RemainingDevicePath is the End of Device Path Node, \r | |
107 | // if yes, return EFI_SUCCESS\r | |
108 | //\r | |
109 | if (!IsDevicePathEnd (Node)) {\r | |
110 | //\r | |
111 | // If RemainingDevicePath isn't the End of Device Path Node,\r | |
112 | // check its validation\r | |
113 | //\r | |
114 | if (Node->DevPath.Type != ACPI_DEVICE_PATH ||\r | |
115 | Node->DevPath.SubType != ACPI_ADR_DP ||\r | |
116 | DevicePathNodeLength(&Node->DevPath) != sizeof(ACPI_ADR_DEVICE_PATH)) {\r | |
117 | Status = EFI_UNSUPPORTED;\r | |
118 | }\r | |
119 | }\r | |
120 | }\r | |
121 | }\r | |
122 | }\r | |
123 | \r | |
124 | Done:\r | |
125 | //\r | |
126 | // Close the PCI I/O Protocol\r | |
127 | //\r | |
128 | gBS->CloseProtocol (\r | |
129 | Controller,\r | |
130 | &gEfiPciIoProtocolGuid,\r | |
131 | This->DriverBindingHandle,\r | |
132 | Controller\r | |
133 | );\r | |
134 | \r | |
135 | return Status;\r | |
136 | }\r | |
137 | \r | |
138 | /**\r | |
139 | Start to process the controller.\r | |
140 | \r | |
141 | @param This The USB bus driver binding instance.\r | |
142 | @param Controller The controller to check.\r | |
143 | @param RemainingDevicePath The remaining device patch.\r | |
144 | \r | |
145 | @retval EFI_SUCCESS The controller is controlled by the usb bus.\r | |
146 | @retval EFI_ALREADY_STARTED The controller is already controlled by the usb\r | |
147 | bus.\r | |
148 | @retval EFI_OUT_OF_RESOURCES Failed to allocate resources.\r | |
149 | \r | |
150 | **/\r | |
151 | EFI_STATUS\r | |
152 | EFIAPI\r | |
153 | QemuVideoControllerDriverStart (\r | |
154 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
155 | IN EFI_HANDLE Controller,\r | |
156 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
157 | )\r | |
158 | {\r | |
159 | EFI_STATUS Status;\r | |
160 | QEMU_VIDEO_PRIVATE_DATA *Private;\r | |
161 | BOOLEAN PciAttributesSaved;\r | |
162 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
163 | ACPI_ADR_DEVICE_PATH AcpiDeviceNode;\r | |
164 | \r | |
165 | PciAttributesSaved = FALSE;\r | |
166 | //\r | |
167 | // Allocate Private context data for GOP inteface.\r | |
168 | //\r | |
169 | Private = AllocateZeroPool (sizeof (QEMU_VIDEO_PRIVATE_DATA));\r | |
170 | if (Private == NULL) {\r | |
171 | Status = EFI_OUT_OF_RESOURCES;\r | |
172 | goto Error;\r | |
173 | }\r | |
174 | \r | |
175 | //\r | |
176 | // Set up context record\r | |
177 | //\r | |
178 | Private->Signature = QEMU_VIDEO_PRIVATE_DATA_SIGNATURE;\r | |
179 | Private->Handle = NULL;\r | |
180 | \r | |
181 | //\r | |
182 | // Open PCI I/O Protocol\r | |
183 | //\r | |
184 | Status = gBS->OpenProtocol (\r | |
185 | Controller,\r | |
186 | &gEfiPciIoProtocolGuid,\r | |
187 | (VOID **) &Private->PciIo,\r | |
188 | This->DriverBindingHandle,\r | |
189 | Controller,\r | |
190 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
191 | );\r | |
192 | if (EFI_ERROR (Status)) {\r | |
193 | goto Error;\r | |
194 | }\r | |
195 | \r | |
196 | //\r | |
197 | // Save original PCI attributes\r | |
198 | //\r | |
199 | Status = Private->PciIo->Attributes (\r | |
200 | Private->PciIo,\r | |
201 | EfiPciIoAttributeOperationGet,\r | |
202 | 0,\r | |
203 | &Private->OriginalPciAttributes\r | |
204 | );\r | |
205 | \r | |
206 | if (EFI_ERROR (Status)) {\r | |
207 | goto Error;\r | |
208 | }\r | |
209 | PciAttributesSaved = TRUE;\r | |
210 | \r | |
211 | Status = Private->PciIo->Attributes (\r | |
212 | Private->PciIo,\r | |
213 | EfiPciIoAttributeOperationEnable,\r | |
214 | EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,\r | |
215 | NULL\r | |
216 | );\r | |
217 | if (EFI_ERROR (Status)) {\r | |
218 | goto Error;\r | |
219 | }\r | |
220 | \r | |
221 | //\r | |
222 | // Get ParentDevicePath\r | |
223 | //\r | |
224 | Status = gBS->HandleProtocol (\r | |
225 | Controller,\r | |
226 | &gEfiDevicePathProtocolGuid,\r | |
227 | (VOID **) &ParentDevicePath\r | |
228 | );\r | |
229 | if (EFI_ERROR (Status)) {\r | |
230 | goto Error;\r | |
231 | }\r | |
232 | \r | |
233 | //\r | |
234 | // Set Gop Device Path\r | |
235 | //\r | |
236 | if (RemainingDevicePath == NULL) {\r | |
237 | ZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));\r | |
238 | AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;\r | |
239 | AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;\r | |
240 | AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);\r | |
241 | SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));\r | |
242 | \r | |
243 | Private->GopDevicePath = AppendDevicePathNode (\r | |
244 | ParentDevicePath,\r | |
245 | (EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode\r | |
246 | );\r | |
247 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
248 | //\r | |
249 | // If RemainingDevicePath isn't the End of Device Path Node, \r | |
250 | // only scan the specified device by RemainingDevicePath\r | |
251 | //\r | |
252 | Private->GopDevicePath = AppendDevicePathNode (ParentDevicePath, RemainingDevicePath);\r | |
253 | } else {\r | |
254 | //\r | |
255 | // If RemainingDevicePath is the End of Device Path Node, \r | |
256 | // don't create child device and return EFI_SUCCESS\r | |
257 | //\r | |
258 | Private->GopDevicePath = NULL;\r | |
259 | }\r | |
260 | \r | |
261 | if (Private->GopDevicePath != NULL) {\r | |
262 | //\r | |
263 | // Creat child handle and device path protocol firstly\r | |
264 | //\r | |
265 | Private->Handle = NULL;\r | |
266 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
267 | &Private->Handle,\r | |
268 | &gEfiDevicePathProtocolGuid,\r | |
269 | Private->GopDevicePath,\r | |
270 | NULL\r | |
271 | );\r | |
272 | }\r | |
273 | \r | |
274 | //\r | |
275 | // Construct video mode buffer\r | |
276 | //\r | |
277 | Status = QemuVideoVideoModeSetup (Private);\r | |
278 | if (EFI_ERROR (Status)) {\r | |
279 | goto Error;\r | |
280 | }\r | |
281 | \r | |
282 | if (Private->GopDevicePath == NULL) {\r | |
283 | //\r | |
284 | // If RemainingDevicePath is the End of Device Path Node, \r | |
285 | // don't create child device and return EFI_SUCCESS\r | |
286 | //\r | |
287 | Status = EFI_SUCCESS;\r | |
288 | } else {\r | |
289 | \r | |
290 | //\r | |
291 | // Start the GOP software stack.\r | |
292 | //\r | |
293 | Status = QemuVideoGraphicsOutputConstructor (Private);\r | |
294 | ASSERT_EFI_ERROR (Status);\r | |
295 | \r | |
296 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
297 | &Private->Handle,\r | |
298 | &gEfiGraphicsOutputProtocolGuid,\r | |
299 | &Private->GraphicsOutput,\r | |
300 | NULL\r | |
301 | );\r | |
302 | }\r | |
303 | \r | |
304 | Error:\r | |
305 | if (EFI_ERROR (Status)) {\r | |
306 | if (Private) {\r | |
307 | if (Private->PciIo) {\r | |
308 | if (PciAttributesSaved == TRUE) {\r | |
309 | //\r | |
310 | // Restore original PCI attributes\r | |
311 | //\r | |
312 | Private->PciIo->Attributes (\r | |
313 | Private->PciIo,\r | |
314 | EfiPciIoAttributeOperationSet,\r | |
315 | Private->OriginalPciAttributes,\r | |
316 | NULL\r | |
317 | );\r | |
318 | }\r | |
319 | //\r | |
320 | // Close the PCI I/O Protocol\r | |
321 | //\r | |
322 | gBS->CloseProtocol (\r | |
323 | Private->Handle,\r | |
324 | &gEfiPciIoProtocolGuid,\r | |
325 | This->DriverBindingHandle,\r | |
326 | Private->Handle\r | |
327 | );\r | |
328 | }\r | |
329 | \r | |
330 | gBS->FreePool (Private);\r | |
331 | }\r | |
332 | }\r | |
333 | \r | |
334 | return Status;\r | |
335 | }\r | |
336 | \r | |
337 | /**\r | |
338 | Stop this device\r | |
339 | \r | |
340 | @param This The USB bus driver binding protocol.\r | |
341 | @param Controller The controller to release.\r | |
342 | @param NumberOfChildren The number of children of this device that\r | |
343 | opened the controller BY_CHILD.\r | |
344 | @param ChildHandleBuffer The array of child handle.\r | |
345 | \r | |
346 | @retval EFI_SUCCESS The controller or children are stopped.\r | |
347 | @retval EFI_DEVICE_ERROR Failed to stop the driver.\r | |
348 | \r | |
349 | **/\r | |
350 | EFI_STATUS\r | |
351 | EFIAPI\r | |
352 | QemuVideoControllerDriverStop (\r | |
353 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
354 | IN EFI_HANDLE Controller,\r | |
355 | IN UINTN NumberOfChildren,\r | |
356 | IN EFI_HANDLE *ChildHandleBuffer\r | |
357 | )\r | |
358 | {\r | |
359 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r | |
360 | \r | |
361 | EFI_STATUS Status;\r | |
362 | QEMU_VIDEO_PRIVATE_DATA *Private;\r | |
363 | \r | |
364 | Status = gBS->OpenProtocol (\r | |
365 | Controller,\r | |
366 | &gEfiGraphicsOutputProtocolGuid,\r | |
367 | (VOID **) &GraphicsOutput,\r | |
368 | This->DriverBindingHandle,\r | |
369 | Controller,\r | |
370 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
371 | );\r | |
372 | if (EFI_ERROR (Status)) {\r | |
373 | return Status;\r | |
374 | }\r | |
375 | \r | |
376 | //\r | |
377 | // Get our private context information\r | |
378 | //\r | |
379 | Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);\r | |
380 | \r | |
381 | QemuVideoGraphicsOutputDestructor (Private);\r | |
382 | //\r | |
383 | // Remove the GOP protocol interface from the system\r | |
384 | //\r | |
385 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
386 | Private->Handle,\r | |
387 | &gEfiGraphicsOutputProtocolGuid,\r | |
388 | &Private->GraphicsOutput,\r | |
389 | NULL\r | |
390 | );\r | |
391 | \r | |
392 | if (EFI_ERROR (Status)) {\r | |
393 | return Status;\r | |
394 | }\r | |
395 | \r | |
396 | //\r | |
397 | // Restore original PCI attributes\r | |
398 | //\r | |
399 | Private->PciIo->Attributes (\r | |
400 | Private->PciIo,\r | |
401 | EfiPciIoAttributeOperationSet,\r | |
402 | Private->OriginalPciAttributes,\r | |
403 | NULL\r | |
404 | );\r | |
405 | \r | |
406 | //\r | |
407 | // Close the PCI I/O Protocol\r | |
408 | //\r | |
409 | gBS->CloseProtocol (\r | |
410 | Controller,\r | |
411 | &gEfiPciIoProtocolGuid,\r | |
412 | This->DriverBindingHandle,\r | |
413 | Controller\r | |
414 | );\r | |
415 | \r | |
416 | //\r | |
417 | // Free our instance data\r | |
418 | //\r | |
419 | gBS->FreePool (Private);\r | |
420 | \r | |
421 | return EFI_SUCCESS;\r | |
422 | }\r | |
423 | \r | |
424 | /**\r | |
425 | TODO: Add function description\r | |
426 | \r | |
427 | @param Private TODO: add argument description\r | |
428 | @param Address TODO: add argument description\r | |
429 | @param Data TODO: add argument description\r | |
430 | \r | |
431 | TODO: add return values\r | |
432 | \r | |
433 | **/\r | |
434 | VOID\r | |
435 | outb (\r | |
436 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
437 | UINTN Address,\r | |
438 | UINT8 Data\r | |
439 | )\r | |
440 | {\r | |
441 | Private->PciIo->Io.Write (\r | |
442 | Private->PciIo,\r | |
443 | EfiPciIoWidthUint8,\r | |
444 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
445 | Address,\r | |
446 | 1,\r | |
447 | &Data\r | |
448 | );\r | |
449 | }\r | |
450 | \r | |
451 | /**\r | |
452 | TODO: Add function description\r | |
453 | \r | |
454 | @param Private TODO: add argument description\r | |
455 | @param Address TODO: add argument description\r | |
456 | @param Data TODO: add argument description\r | |
457 | \r | |
458 | TODO: add return values\r | |
459 | \r | |
460 | **/\r | |
461 | VOID\r | |
462 | outw (\r | |
463 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
464 | UINTN Address,\r | |
465 | UINT16 Data\r | |
466 | )\r | |
467 | {\r | |
468 | Private->PciIo->Io.Write (\r | |
469 | Private->PciIo,\r | |
470 | EfiPciIoWidthUint16,\r | |
471 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
472 | Address,\r | |
473 | 1,\r | |
474 | &Data\r | |
475 | );\r | |
476 | }\r | |
477 | \r | |
478 | /**\r | |
479 | TODO: Add function description\r | |
480 | \r | |
481 | @param Private TODO: add argument description\r | |
482 | @param Address TODO: add argument description\r | |
483 | \r | |
484 | TODO: add return values\r | |
485 | \r | |
486 | **/\r | |
487 | UINT8\r | |
488 | inb (\r | |
489 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
490 | UINTN Address\r | |
491 | )\r | |
492 | {\r | |
493 | UINT8 Data;\r | |
494 | \r | |
495 | Private->PciIo->Io.Read (\r | |
496 | Private->PciIo,\r | |
497 | EfiPciIoWidthUint8,\r | |
498 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
499 | Address,\r | |
500 | 1,\r | |
501 | &Data\r | |
502 | );\r | |
503 | return Data;\r | |
504 | }\r | |
505 | \r | |
506 | /**\r | |
507 | TODO: Add function description\r | |
508 | \r | |
509 | @param Private TODO: add argument description\r | |
510 | @param Address TODO: add argument description\r | |
511 | \r | |
512 | TODO: add return values\r | |
513 | \r | |
514 | **/\r | |
515 | UINT16\r | |
516 | inw (\r | |
517 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
518 | UINTN Address\r | |
519 | )\r | |
520 | {\r | |
521 | UINT16 Data;\r | |
522 | \r | |
523 | Private->PciIo->Io.Read (\r | |
524 | Private->PciIo,\r | |
525 | EfiPciIoWidthUint16,\r | |
526 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
527 | Address,\r | |
528 | 1,\r | |
529 | &Data\r | |
530 | );\r | |
531 | return Data;\r | |
532 | }\r | |
533 | \r | |
534 | /**\r | |
535 | TODO: Add function description\r | |
536 | \r | |
537 | @param Private TODO: add argument description\r | |
538 | @param Index TODO: add argument description\r | |
539 | @param Red TODO: add argument description\r | |
540 | @param Green TODO: add argument description\r | |
541 | @param Blue TODO: add argument description\r | |
542 | \r | |
543 | TODO: add return values\r | |
544 | \r | |
545 | **/\r | |
546 | VOID\r | |
547 | SetPaletteColor (\r | |
548 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
549 | UINTN Index,\r | |
550 | UINT8 Red,\r | |
551 | UINT8 Green,\r | |
552 | UINT8 Blue\r | |
553 | )\r | |
554 | {\r | |
555 | outb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);\r | |
556 | outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));\r | |
557 | outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));\r | |
558 | outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Blue >> 2));\r | |
559 | }\r | |
560 | \r | |
561 | /**\r | |
562 | TODO: Add function description\r | |
563 | \r | |
564 | @param Private TODO: add argument description\r | |
565 | \r | |
566 | TODO: add return values\r | |
567 | \r | |
568 | **/\r | |
569 | VOID\r | |
570 | SetDefaultPalette (\r | |
571 | QEMU_VIDEO_PRIVATE_DATA *Private\r | |
572 | )\r | |
573 | {\r | |
574 | UINTN Index;\r | |
575 | UINTN RedIndex;\r | |
576 | UINTN GreenIndex;\r | |
577 | UINTN BlueIndex;\r | |
578 | \r | |
579 | Index = 0;\r | |
580 | for (RedIndex = 0; RedIndex < 8; RedIndex++) {\r | |
581 | for (GreenIndex = 0; GreenIndex < 8; GreenIndex++) {\r | |
582 | for (BlueIndex = 0; BlueIndex < 4; BlueIndex++) {\r | |
583 | SetPaletteColor (Private, Index, (UINT8) (RedIndex << 5), (UINT8) (GreenIndex << 5), (UINT8) (BlueIndex << 6));\r | |
584 | Index++;\r | |
585 | }\r | |
586 | }\r | |
587 | }\r | |
588 | }\r | |
589 | \r | |
590 | /**\r | |
591 | TODO: Add function description\r | |
592 | \r | |
593 | @param Private TODO: add argument description\r | |
594 | \r | |
595 | TODO: add return values\r | |
596 | \r | |
597 | **/\r | |
598 | VOID\r | |
599 | ClearScreen (\r | |
600 | QEMU_VIDEO_PRIVATE_DATA *Private\r | |
601 | )\r | |
602 | {\r | |
603 | UINT32 Color;\r | |
604 | \r | |
605 | Color = 0;\r | |
606 | Private->PciIo->Mem.Write (\r | |
607 | Private->PciIo,\r | |
608 | EfiPciIoWidthFillUint32,\r | |
609 | 0,\r | |
610 | 0,\r | |
611 | 0x400000 >> 2,\r | |
612 | &Color\r | |
613 | );\r | |
614 | }\r | |
615 | \r | |
616 | /**\r | |
617 | TODO: Add function description\r | |
618 | \r | |
619 | @param Private TODO: add argument description\r | |
620 | \r | |
621 | TODO: add return values\r | |
622 | \r | |
623 | **/\r | |
624 | VOID\r | |
625 | DrawLogo (\r | |
626 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
627 | UINTN ScreenWidth,\r | |
628 | UINTN ScreenHeight\r | |
629 | )\r | |
630 | {\r | |
631 | }\r | |
632 | \r | |
633 | /**\r | |
634 | TODO: Add function description\r | |
635 | \r | |
636 | @param Private TODO: add argument description\r | |
637 | @param ModeData TODO: add argument description\r | |
638 | \r | |
639 | TODO: add return values\r | |
640 | \r | |
641 | **/\r | |
642 | VOID\r | |
643 | InitializeGraphicsMode (\r | |
644 | QEMU_VIDEO_PRIVATE_DATA *Private,\r | |
645 | QEMU_VIDEO_VIDEO_MODES *ModeData\r | |
646 | )\r | |
647 | {\r | |
648 | UINT8 Byte;\r | |
649 | UINTN Index;\r | |
650 | UINT16 DeviceId;\r | |
651 | EFI_STATUS Status;\r | |
652 | \r | |
653 | Status = Private->PciIo->Pci.Read (\r | |
654 | Private->PciIo,\r | |
655 | EfiPciIoWidthUint16,\r | |
656 | PCI_DEVICE_ID_OFFSET,\r | |
657 | 1,\r | |
658 | &DeviceId\r | |
659 | );\r | |
660 | //\r | |
661 | // Read the PCI Configuration Header from the PCI Device\r | |
662 | //\r | |
663 | ASSERT_EFI_ERROR (Status);\r | |
664 | \r | |
665 | outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);\r | |
666 | outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);\r | |
667 | \r | |
668 | for (Index = 0; Index < 15; Index++) {\r | |
669 | outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);\r | |
670 | }\r | |
671 | \r | |
672 | if (DeviceId != CIRRUS_LOGIC_5446_DEVICE_ID) {\r | |
673 | outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);\r | |
674 | Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);\r | |
675 | outb (Private, SEQ_DATA_REGISTER, Byte);\r | |
676 | }\r | |
677 | \r | |
678 | outb (Private, MISC_OUTPUT_REGISTER, ModeData->MiscSetting);\r | |
679 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x0506);\r | |
680 | outw (Private, SEQ_ADDRESS_REGISTER, 0x0300);\r | |
681 | outw (Private, CRTC_ADDRESS_REGISTER, 0x2011);\r | |
682 | \r | |
683 | for (Index = 0; Index < 28; Index++) {\r | |
684 | outw (Private, CRTC_ADDRESS_REGISTER, (UINT16) ((ModeData->CrtcSettings[Index] << 8) | Index));\r | |
685 | }\r | |
686 | \r | |
687 | for (Index = 0; Index < 9; Index++) {\r | |
688 | outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((GraphicsController[Index] << 8) | Index));\r | |
689 | }\r | |
690 | \r | |
691 | inb (Private, INPUT_STATUS_1_REGISTER);\r | |
692 | \r | |
693 | for (Index = 0; Index < 21; Index++) {\r | |
694 | outb (Private, ATT_ADDRESS_REGISTER, (UINT8) Index);\r | |
695 | outb (Private, ATT_ADDRESS_REGISTER, AttributeController[Index]);\r | |
696 | }\r | |
697 | \r | |
698 | outb (Private, ATT_ADDRESS_REGISTER, 0x20);\r | |
699 | \r | |
700 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x0009);\r | |
701 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x000a);\r | |
702 | outw (Private, GRAPH_ADDRESS_REGISTER, 0x000b);\r | |
703 | outb (Private, DAC_PIXEL_MASK_REGISTER, 0xff);\r | |
704 | \r | |
705 | SetDefaultPalette (Private);\r | |
706 | ClearScreen (Private);\r | |
707 | }\r | |
708 | \r | |
709 | EFI_STATUS\r | |
710 | EFIAPI\r | |
711 | InitializeQemuVideo (\r | |
712 | IN EFI_HANDLE ImageHandle,\r | |
713 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
714 | )\r | |
715 | {\r | |
716 | EFI_STATUS Status;\r | |
717 | \r | |
718 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
719 | ImageHandle,\r | |
720 | SystemTable,\r | |
721 | &gQemuVideoDriverBinding,\r | |
722 | ImageHandle,\r | |
723 | &gQemuVideoComponentName,\r | |
724 | &gQemuVideoComponentName2\r | |
725 | );\r | |
726 | ASSERT_EFI_ERROR (Status);\r | |
727 | \r | |
728 | //\r | |
729 | // Install EFI Driver Supported EFI Version Protocol required for\r | |
730 | // EFI drivers that are on PCI and other plug in cards.\r | |
731 | //\r | |
732 | gQemuVideoDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);\r | |
733 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
734 | &ImageHandle,\r | |
735 | &gEfiDriverSupportedEfiVersionProtocolGuid,\r | |
736 | &gQemuVideoDriverSupportedEfiVersion,\r | |
737 | NULL\r | |
738 | );\r | |
739 | ASSERT_EFI_ERROR (Status);\r | |
740 | \r | |
741 | return Status;\r | |
742 | }\r |