]>
Commit | Line | Data |
---|---|---|
79e4f2a5 RN |
1 | /*++ @file\r |
2 | \r | |
3 | Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r | |
4 | Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | Module Name:\r | |
14 | \r | |
15 | EmuGopScreen.c\r | |
16 | \r | |
17 | Abstract:\r | |
18 | \r | |
19 | This file produces the graphics abstration of UGA. It is called by\r | |
20 | EmuGopDriver.c file which deals with the EFI 1.1 driver model.\r | |
21 | This file just does graphics.\r | |
22 | \r | |
23 | **/\r | |
24 | \r | |
25 | #include "Gop.h"\r | |
26 | \r | |
27 | \r | |
28 | EFI_EVENT mGopScreenExitBootServicesEvent;\r | |
29 | \r | |
30 | GOP_MODE_DATA mGopModeData[] = {\r | |
31 | { 800, 600, 0, 0 },\r | |
32 | { 640, 480, 0, 0 },\r | |
33 | { 720, 400, 0, 0 },\r | |
34 | {1024, 768, 0, 0 },\r | |
35 | {1280, 1024, 0, 0 }\r | |
36 | };\r | |
37 | \r | |
38 | \r | |
39 | /**\r | |
40 | Returns information for an available graphics mode that the graphics device\r | |
41 | and the set of active video output devices supports.\r | |
42 | \r | |
43 | @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.\r | |
44 | @param ModeNumber The mode number to return information on.\r | |
45 | @param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.\r | |
46 | @param Info A pointer to callee allocated buffer that returns information about ModeNumber.\r | |
47 | \r | |
48 | @retval EFI_SUCCESS Mode information returned.\r | |
49 | @retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.\r | |
50 | @retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.\r | |
51 | @retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()\r | |
52 | @retval EFI_INVALID_PARAMETER One of the input args was NULL.\r | |
53 | \r | |
54 | **/\r | |
55 | EFI_STATUS\r | |
56 | EFIAPI\r | |
57 | EmuGopQuerytMode (\r | |
58 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
59 | IN UINT32 ModeNumber,\r | |
60 | OUT UINTN *SizeOfInfo,\r | |
61 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info\r | |
62 | )\r | |
63 | {\r | |
64 | GOP_PRIVATE_DATA *Private;\r | |
65 | \r | |
66 | Private = GOP_PRIVATE_DATA_FROM_THIS (This);\r | |
67 | \r | |
68 | if (Info == NULL || SizeOfInfo == NULL || (UINTN) ModeNumber >= This->Mode->MaxMode) {\r | |
69 | return EFI_INVALID_PARAMETER;\r | |
70 | }\r | |
71 | \r | |
72 | *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r | |
73 | if (*Info == NULL) {\r | |
74 | return EFI_OUT_OF_RESOURCES;\r | |
75 | }\r | |
76 | \r | |
77 | *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r | |
78 | \r | |
79 | (*Info)->Version = 0;\r | |
80 | (*Info)->HorizontalResolution = Private->ModeData[ModeNumber].HorizontalResolution;\r | |
81 | (*Info)->VerticalResolution = Private->ModeData[ModeNumber].VerticalResolution;\r | |
82 | (*Info)->PixelFormat = PixelBltOnly;\r | |
83 | (*Info)->PixelsPerScanLine = (*Info)->HorizontalResolution;\r | |
84 | \r | |
85 | return EFI_SUCCESS;\r | |
86 | }\r | |
87 | \r | |
88 | \r | |
89 | \r | |
90 | /**\r | |
91 | Set the video device into the specified mode and clears the visible portions of\r | |
92 | the output display to black.\r | |
93 | \r | |
94 | @param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.\r | |
95 | @param ModeNumber Abstraction that defines the current video mode.\r | |
96 | \r | |
97 | @retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.\r | |
98 | @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.\r | |
99 | @retval EFI_UNSUPPORTED ModeNumber is not supported by this device.\r | |
100 | \r | |
101 | **/\r | |
102 | EFI_STATUS\r | |
103 | EFIAPI\r | |
104 | EmuGopSetMode (\r | |
105 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
106 | IN UINT32 ModeNumber\r | |
107 | )\r | |
108 | {\r | |
109 | EFI_STATUS Status;\r | |
110 | GOP_PRIVATE_DATA *Private;\r | |
111 | GOP_MODE_DATA *ModeData;\r | |
112 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL Fill;\r | |
113 | \r | |
114 | Private = GOP_PRIVATE_DATA_FROM_THIS (This);\r | |
115 | \r | |
116 | if (ModeNumber >= This->Mode->MaxMode) {\r | |
117 | return EFI_UNSUPPORTED;\r | |
118 | }\r | |
119 | \r | |
120 | ModeData = &Private->ModeData[ModeNumber];\r | |
121 | This->Mode->Mode = ModeNumber;\r | |
122 | Private->GraphicsOutput.Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;\r | |
123 | Private->GraphicsOutput.Mode->Info->VerticalResolution = ModeData->VerticalResolution;\r | |
124 | Private->GraphicsOutput.Mode->Info->PixelsPerScanLine = ModeData->HorizontalResolution;\r | |
125 | \r | |
126 | if (Private->HardwareNeedsStarting) {\r | |
127 | Status = EmuGopStartWindow (\r | |
128 | Private,\r | |
129 | ModeData->HorizontalResolution,\r | |
130 | ModeData->VerticalResolution,\r | |
131 | ModeData->ColorDepth,\r | |
132 | ModeData->RefreshRate\r | |
133 | );\r | |
134 | if (EFI_ERROR (Status)) {\r | |
135 | return EFI_DEVICE_ERROR;\r | |
136 | }\r | |
137 | \r | |
138 | Private->HardwareNeedsStarting = FALSE;\r | |
139 | }\r | |
140 | \r | |
141 | \r | |
142 | Status = Private->EmuGraphicsWindow->Size(\r | |
143 | Private->EmuGraphicsWindow,\r | |
144 | ModeData->HorizontalResolution,\r | |
145 | ModeData->VerticalResolution\r | |
146 | );\r | |
147 | \r | |
148 | \r | |
149 | Fill.Red = 0x7f;\r | |
150 | Fill.Green = 0x7F;\r | |
151 | Fill.Blue = 0x7f;\r | |
152 | This->Blt (\r | |
153 | This,\r | |
154 | &Fill,\r | |
155 | EfiBltVideoFill,\r | |
156 | 0,\r | |
157 | 0,\r | |
158 | 0,\r | |
159 | 0,\r | |
160 | ModeData->HorizontalResolution,\r | |
161 | ModeData->VerticalResolution,\r | |
162 | ModeData->HorizontalResolution * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
163 | );\r | |
164 | return EFI_SUCCESS;\r | |
165 | }\r | |
166 | \r | |
167 | \r | |
168 | \r | |
169 | /**\r | |
170 | Blt a rectangle of pixels on the graphics screen. Blt stands for BLock Transfer.\r | |
171 | \r | |
172 | @param This Protocol instance pointer.\r | |
173 | @param BltBuffer Buffer containing data to blit into video buffer. This\r | |
174 | buffer has a size of Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r | |
175 | @param BltOperation Operation to perform on BlitBuffer and video memory\r | |
176 | @param SourceX X coordinate of source for the BltBuffer.\r | |
177 | @param SourceY Y coordinate of source for the BltBuffer.\r | |
178 | @param DestinationX X coordinate of destination for the BltBuffer.\r | |
179 | @param DestinationY Y coordinate of destination for the BltBuffer.\r | |
180 | @param Width Width of rectangle in BltBuffer in pixels.\r | |
181 | @param Height Hight of rectangle in BltBuffer in pixels.\r | |
182 | @param Delta OPTIONAL\r | |
183 | \r | |
184 | @retval EFI_SUCCESS The Blt operation completed.\r | |
185 | @retval EFI_INVALID_PARAMETER BltOperation is not valid.\r | |
186 | @retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.\r | |
187 | \r | |
188 | **/\r | |
189 | EFI_STATUS\r | |
190 | EFIAPI\r | |
191 | EmuGopBlt (\r | |
192 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
193 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
194 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
195 | IN UINTN SourceX,\r | |
196 | IN UINTN SourceY,\r | |
197 | IN UINTN DestinationX,\r | |
198 | IN UINTN DestinationY,\r | |
199 | IN UINTN Width,\r | |
200 | IN UINTN Height,\r | |
201 | IN UINTN Delta OPTIONAL\r | |
202 | )\r | |
203 | {\r | |
204 | GOP_PRIVATE_DATA *Private;\r | |
205 | EFI_TPL OriginalTPL;\r | |
206 | EFI_STATUS Status;\r | |
207 | EMU_GRAPHICS_WINDOWS__BLT_ARGS GopBltArgs;\r | |
208 | \r | |
209 | Private = GOP_PRIVATE_DATA_FROM_THIS (This);\r | |
210 | \r | |
211 | if ((UINT32)BltOperation >= EfiGraphicsOutputBltOperationMax) {\r | |
212 | return EFI_INVALID_PARAMETER;\r | |
213 | }\r | |
214 | \r | |
215 | if (Width == 0 || Height == 0) {\r | |
216 | return EFI_INVALID_PARAMETER;\r | |
217 | }\r | |
218 | //\r | |
219 | // If Delta is zero, then the entire BltBuffer is being used, so Delta\r | |
220 | // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,\r | |
221 | // the number of bytes in each row can be computed.\r | |
222 | //\r | |
223 | if (Delta == 0) {\r | |
224 | Delta = Width * sizeof (EFI_UGA_PIXEL);\r | |
225 | }\r | |
226 | \r | |
227 | //\r | |
228 | // We have to raise to TPL Notify, so we make an atomic write the frame buffer.\r | |
229 | // We would not want a timer based event (Cursor, ...) to come in while we are\r | |
230 | // doing this operation.\r | |
231 | //\r | |
232 | OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);\r | |
233 | \r | |
234 | //\r | |
235 | // Pack UGA Draw protocol parameters to EMU_GRAPHICS_WINDOWS__BLT_ARGS structure to adapt to\r | |
236 | // GopBlt() API of Unix UGA IO protocol.\r | |
237 | //\r | |
238 | GopBltArgs.DestinationX = DestinationX;\r | |
239 | GopBltArgs.DestinationY = DestinationY;\r | |
240 | GopBltArgs.Height = Height;\r | |
241 | GopBltArgs.Width = Width;\r | |
242 | GopBltArgs.SourceX = SourceX;\r | |
243 | GopBltArgs.SourceY = SourceY;\r | |
244 | GopBltArgs.Delta = Delta;\r | |
245 | Status = Private->EmuGraphicsWindow->Blt (\r | |
246 | Private->EmuGraphicsWindow,\r | |
247 | (EFI_UGA_PIXEL *)BltBuffer,\r | |
248 | (EFI_UGA_BLT_OPERATION)BltOperation,\r | |
249 | &GopBltArgs\r | |
250 | );\r | |
251 | \r | |
252 | gBS->RestoreTPL (OriginalTPL);\r | |
253 | \r | |
254 | return Status;\r | |
255 | }\r | |
256 | \r | |
257 | \r | |
258 | //\r | |
259 | // Construction and Destruction functions\r | |
260 | //\r | |
261 | \r | |
262 | EFI_STATUS\r | |
263 | EmuGopSupported (\r | |
264 | IN EMU_IO_THUNK_PROTOCOL *EmuIoThunk\r | |
265 | )\r | |
266 | {\r | |
267 | //\r | |
268 | // Check to see if the IO abstraction represents a device type we support.\r | |
269 | //\r | |
270 | // This would be replaced a check of PCI subsystem ID, etc.\r | |
271 | //\r | |
272 | if (!CompareGuid (EmuIoThunk->Protocol, &gEmuGraphicsWindowProtocolGuid)) {\r | |
273 | return EFI_UNSUPPORTED;\r | |
274 | }\r | |
275 | \r | |
276 | return EFI_SUCCESS;\r | |
277 | }\r | |
278 | \r | |
279 | \r | |
280 | EFI_STATUS\r | |
281 | EmuGopStartWindow (\r | |
282 | IN GOP_PRIVATE_DATA *Private,\r | |
283 | IN UINT32 HorizontalResolution,\r | |
284 | IN UINT32 VerticalResolution,\r | |
285 | IN UINT32 ColorDepth,\r | |
286 | IN UINT32 RefreshRate\r | |
287 | )\r | |
288 | {\r | |
289 | EFI_STATUS Status;\r | |
290 | \r | |
291 | //\r | |
292 | // Register to be notified on exit boot services so we can destroy the window.\r | |
293 | //\r | |
294 | Status = gBS->CreateEvent (\r | |
295 | EVT_SIGNAL_EXIT_BOOT_SERVICES,\r | |
296 | TPL_CALLBACK,\r | |
297 | ShutdownGopEvent,\r | |
298 | Private,\r | |
299 | &mGopScreenExitBootServicesEvent\r | |
300 | );\r | |
301 | \r | |
302 | Status = Private->EmuIoThunk->Open (Private->EmuIoThunk);\r | |
303 | if (!EFI_ERROR (Status)) {\r | |
304 | Private->EmuGraphicsWindow = Private->EmuIoThunk->Interface;\r | |
305 | \r | |
306 | // Register callback to support RegisterKeyNotify()\r | |
307 | Status = Private->EmuGraphicsWindow->RegisterKeyNotify (\r | |
308 | Private->EmuGraphicsWindow,\r | |
309 | GopPrivateMakeCallbackFunction,\r | |
310 | GopPrivateBreakCallbackFunction,\r | |
311 | Private\r | |
312 | );\r | |
313 | ASSERT_EFI_ERROR (Status);\r | |
314 | }\r | |
315 | return Status;\r | |
316 | }\r | |
317 | \r | |
318 | EFI_STATUS\r | |
319 | EmuGopConstructor (\r | |
320 | GOP_PRIVATE_DATA *Private\r | |
321 | )\r | |
322 | {\r | |
323 | Private->ModeData = mGopModeData;\r | |
324 | \r | |
325 | Private->GraphicsOutput.QueryMode = EmuGopQuerytMode;\r | |
326 | Private->GraphicsOutput.SetMode = EmuGopSetMode;\r | |
327 | Private->GraphicsOutput.Blt = EmuGopBlt;\r | |
328 | \r | |
329 | //\r | |
330 | // Allocate buffer for Graphics Output Protocol mode information\r | |
331 | //\r | |
332 | Private->GraphicsOutput.Mode = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE));\r | |
333 | if (Private->GraphicsOutput.Mode == NULL) {\r | |
334 | return EFI_OUT_OF_RESOURCES;\r | |
335 | }\r | |
336 | Private->GraphicsOutput.Mode->Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));\r | |
337 | if (Private->GraphicsOutput.Mode->Info == NULL) {\r | |
338 | return EFI_OUT_OF_RESOURCES;\r | |
339 | }\r | |
340 | \r | |
341 | Private->GraphicsOutput.Mode->MaxMode = sizeof(mGopModeData) / sizeof(GOP_MODE_DATA);\r | |
342 | //\r | |
343 | // Till now, we have no idea about the window size.\r | |
344 | //\r | |
345 | Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;\r | |
346 | Private->GraphicsOutput.Mode->Info->Version = 0;\r | |
347 | Private->GraphicsOutput.Mode->Info->HorizontalResolution = 0;\r | |
348 | Private->GraphicsOutput.Mode->Info->VerticalResolution = 0;\r | |
349 | Private->GraphicsOutput.Mode->Info->PixelFormat = PixelBltOnly;\r | |
350 | Private->GraphicsOutput.Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r | |
351 | Private->GraphicsOutput.Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) (UINTN) NULL;\r | |
352 | Private->GraphicsOutput.Mode->FrameBufferSize = 0;\r | |
353 | \r | |
354 | Private->HardwareNeedsStarting = TRUE;\r | |
355 | Private->EmuGraphicsWindow = NULL;\r | |
356 | \r | |
357 | EmuGopInitializeSimpleTextInForWindow (Private);\r | |
358 | \r | |
359 | EmuGopInitializeSimplePointerForWindow (Private);\r | |
360 | \r | |
361 | return EFI_SUCCESS;\r | |
362 | }\r | |
363 | \r | |
364 | \r | |
365 | \r | |
366 | EFI_STATUS\r | |
367 | EmuGopDestructor (\r | |
368 | GOP_PRIVATE_DATA *Private\r | |
369 | )\r | |
370 | {\r | |
371 | if (!Private->HardwareNeedsStarting) {\r | |
372 | Private->EmuIoThunk->Close (Private->EmuIoThunk);\r | |
373 | Private->EmuGraphicsWindow = NULL;\r | |
374 | }\r | |
375 | \r | |
376 | //\r | |
377 | // Free graphics output protocol occupied resource\r | |
378 | //\r | |
379 | if (Private->GraphicsOutput.Mode != NULL) {\r | |
380 | if (Private->GraphicsOutput.Mode->Info != NULL) {\r | |
381 | FreePool (Private->GraphicsOutput.Mode->Info);\r | |
382 | }\r | |
383 | FreePool (Private->GraphicsOutput.Mode);\r | |
384 | }\r | |
385 | \r | |
386 | return EFI_SUCCESS;\r | |
387 | }\r | |
388 | \r | |
389 | \r | |
390 | VOID\r | |
391 | EFIAPI\r | |
392 | ShutdownGopEvent (\r | |
393 | IN EFI_EVENT Event,\r | |
394 | IN VOID *Context\r | |
395 | )\r | |
396 | /*++\r | |
397 | \r | |
398 | Routine Description:\r | |
399 | \r | |
400 | This is the UGA screen's callback notification function for exit-boot-services.\r | |
401 | All we do here is call EmuGopDestructor().\r | |
402 | \r | |
403 | Arguments:\r | |
404 | \r | |
405 | Event - not used\r | |
406 | Context - pointer to the Private structure.\r | |
407 | \r | |
408 | Returns:\r | |
409 | \r | |
410 | None.\r | |
411 | \r | |
412 | **/\r | |
413 | {\r | |
414 | EmuGopDestructor (Context);\r | |
415 | }\r | |
416 | \r |