VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 57356

Last change on this file since 57356 was 57356, checked in by vboxsync, 9 years ago

Additions/x11: better handling of VT switching and mode hints.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 54.6 KB
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1/* $Id: vboxvideo.c 57356 2015-08-14 15:03:30Z vboxsync $ */
2/** @file
3 *
4 * Linux Additions X11 graphics driver
5 */
6
7/*
8 * Copyright (C) 2006-2013 Oracle Corporation
9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.virtualbox.org. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License (GPL) as published by the Free Software
14 * Foundation, in version 2 as it comes in the "COPYING" file of the
15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17 * --------------------------------------------------------------------
18 *
19 * This code is based on the X.Org VESA driver with the following copyrights:
20 *
21 * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
22 * Copyright 2008 Red Hat, Inc.
23 * Copyright 2012 Red Hat, Inc.
24 *
25 * and the following permission notice (not all original sourse files include
26 * the last paragraph):
27 *
28 * Permission is hereby granted, free of charge, to any person obtaining a
29 * copy of this software and associated documentation files (the "Software"),
30 * to deal in the Software without restriction, including without limitation
31 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
32 * and/or sell copies of the Software, and to permit persons to whom the
33 * Software is furnished to do so, subject to the following conditions:
34 *
35 * The above copyright notice and this permission notice shall be included in
36 * all copies or substantial portions of the Software.
37 *
38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
39 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
40 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
41 * CONECTIVA LINUX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
42 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
43 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
44 * SOFTWARE.
45 *
46 * Except as contained in this notice, the name of Conectiva Linux shall
47 * not be used in advertising or otherwise to promote the sale, use or other
48 * dealings in this Software without prior written authorization from
49 * Conectiva Linux.
50 *
51 * Authors: Paulo César Pereira de Andrade <[email protected]>
52 * David Dawes <[email protected]>
53 * Adam Jackson <[email protected]>
54 * Dave Airlie <[email protected]>
55 */
56
57#include "vboxvideo.h"
58#include <VBox/VBoxGuest.h>
59#include <VBox/VBoxGuestLib.h>
60#include <VBox/Hardware/VBoxVideoVBE.h>
61#include "version-generated.h"
62#include "product-generated.h"
63#include "revision-generated.h"
64
65/* Basic definitions and functions needed by all drivers. */
66#include "xf86.h"
67/* For video memory mapping. */
68#include "xf86_OSproc.h"
69#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
70/* PCI resources. */
71# include "xf86Resources.h"
72#endif
73/* Generic server linear frame-buffer APIs. */
74#include "fb.h"
75/* Colormap and visual handling. */
76#include "micmap.h"
77#include "xf86cmap.h"
78/* ShadowFB support */
79#include "shadowfb.h"
80/* VGA hardware functions for setting and restoring text mode */
81#include "vgaHW.h"
82#ifdef VBOX_DRI
83# include "xf86drm.h"
84# include "xf86drmMode.h"
85#endif
86#ifdef VBOXVIDEO_13
87/* X.org 1.3+ mode setting */
88# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
89# include "xf86Crtc.h"
90# include "xf86Modes.h"
91/* For xf86RandR12GetOriginalVirtualSize(). */
92# include "xf86RandR12.h"
93#endif
94/* For setting the root window property. */
95#include "property.h"
96#include "X11/Xatom.h"
97
98#ifdef XORG_7X
99# include <stdlib.h>
100# include <string.h>
101#endif
102
103/* Mandatory functions */
104
105static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
106static void VBOXIdentify(int flags);
107#ifndef PCIACCESS
108static Bool VBOXProbe(DriverPtr drv, int flags);
109#else
110static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
111 struct pci_device *dev, intptr_t match_data);
112#endif
113static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
114static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
115static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
116static void VBOXLeaveVT(ScrnInfoPtr pScrn);
117static Bool VBOXCloseScreen(ScreenPtr pScreen);
118static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
119static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
120static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
121static void VBOXFreeScreen(ScrnInfoPtr pScrn);
122static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
123 int flags);
124
125/* locally used functions */
126static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
127static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
128static void VBOXSaveMode(ScrnInfoPtr pScrn);
129static void VBOXRestoreMode(ScrnInfoPtr pScrn);
130static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime);
131
132#ifndef XF86_SCRN_INTERFACE
133# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
134# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
135#endif
136
137static inline void VBOXSetRec(ScrnInfoPtr pScrn)
138{
139 if (!pScrn->driverPrivate)
140 {
141 VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1);
142 pScrn->driverPrivate = pVBox;
143#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
144 pVBox->fdACPIDevices = -1;
145#endif
146 }
147}
148
149enum GenericTypes
150{
151 CHIP_VBOX_GENERIC
152};
153
154#ifdef PCIACCESS
155static const struct pci_id_match vbox_device_match[] = {
156 {
157 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
158 0, 0, 0
159 },
160
161 { 0, 0, 0 },
162};
163#endif
164
165/* Supported chipsets */
166static SymTabRec VBOXChipsets[] =
167{
168 {VBOX_DEVICEID, "vbox"},
169 {-1, NULL}
170};
171
172static PciChipsets VBOXPCIchipsets[] = {
173 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
174 { -1, -1, RES_UNDEFINED },
175};
176
177/*
178 * This contains the functions needed by the server after loading the
179 * driver module. It must be supplied, and gets added the driver list by
180 * the Module Setup function in the dynamic case. In the static case a
181 * reference to this is compiled in, and this requires that the name of
182 * this DriverRec be an upper-case version of the driver name.
183 */
184
185#ifdef XORG_7X
186_X_EXPORT
187#endif
188DriverRec VBOXVIDEO = {
189 VBOX_VERSION,
190 VBOX_DRIVER_NAME,
191 VBOXIdentify,
192#ifdef PCIACCESS
193 NULL,
194#else
195 VBOXProbe,
196#endif
197 VBOXAvailableOptions,
198 NULL,
199 0,
200#ifdef XORG_7X
201 NULL,
202#endif
203#ifdef PCIACCESS
204 vbox_device_match,
205 VBOXPciProbe
206#endif
207};
208
209/* No options for now */
210static const OptionInfoRec VBOXOptions[] = {
211 { -1, NULL, OPTV_NONE, {0}, FALSE }
212};
213
214#ifndef XORG_7X
215/*
216 * List of symbols from other modules that this module references. This
217 * list is used to tell the loader that it is OK for symbols here to be
218 * unresolved providing that it hasn't been told that they haven't been
219 * told that they are essential via a call to xf86LoaderReqSymbols() or
220 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
221 * unresolved symbols that are not required.
222 */
223static const char *fbSymbols[] = {
224 "fbPictureInit",
225 "fbScreenInit",
226 NULL
227};
228
229static const char *shadowfbSymbols[] = {
230 "ShadowFBInit2",
231 NULL
232};
233
234static const char *ramdacSymbols[] = {
235 "xf86DestroyCursorInfoRec",
236 "xf86InitCursor",
237 "xf86CreateCursorInfoRec",
238 NULL
239};
240
241static const char *vgahwSymbols[] = {
242 "vgaHWFreeHWRec",
243 "vgaHWGetHWRec",
244 "vgaHWGetIOBase",
245 "vgaHWGetIndex",
246 "vgaHWRestore",
247 "vgaHWSave",
248 "vgaHWSetStdFuncs",
249 NULL
250};
251#endif /* !XORG_7X */
252
253/** Resize the virtual framebuffer. */
254static Bool adjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height)
255{
256 ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
257 VBOXPtr pVBox = VBOXGetRec(pScrn);
258 int adjustedWidth = pScrn->bitsPerPixel == 16 ? (width + 1) & ~1 : width;
259 int cbLine = adjustedWidth * pScrn->bitsPerPixel / 8;
260 PixmapPtr pPixmap;
261
262 TRACE_LOG("width=%d, height=%d\n", width, height);
263 VBVXASSERT(width >= 0 && height >= 0, ("Invalid negative width (%d) or height (%d)\n", width, height));
264 if (pScreen == NULL) /* Not yet initialised. */
265 return TRUE;
266 pPixmap = pScreen->GetScreenPixmap(pScreen);
267 VBVXASSERT(pPixmap != NULL, ("Failed to get the screen pixmap.\n"));
268 TRACE_LOG("pPixmap=%p adjustedWidth=%d height=%d pScrn->depth=%d pScrn->bitsPerPixel=%d cbLine=%d pVBox->base=%p pPixmap->drawable.width=%d pPixmap->drawable.height=%d\n",
269 pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base, pPixmap->drawable.width,
270 pPixmap->drawable.height);
271 if ( adjustedWidth != pPixmap->drawable.width
272 || height != pPixmap->drawable.height)
273 {
274 if ( adjustedWidth > VBOX_VIDEO_MAX_VIRTUAL || height > VBOX_VIDEO_MAX_VIRTUAL
275 || (unsigned)cbLine * (unsigned)height >= pVBox->cbFBMax)
276 {
277 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
278 "Virtual framebuffer %dx%d too large. For information, video memory: %u Kb.\n",
279 adjustedWidth, height, (unsigned) pVBox->cbFBMax / 1024);
280 return FALSE;
281 }
282 if (pScrn->vtSema)
283 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8),
284 ((size_t)adjustedWidth) * height * (pScrn->bitsPerPixel / 8));
285 pScreen->ModifyPixmapHeader(pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base);
286 }
287 pScrn->displayWidth = pScrn->virtualX = adjustedWidth;
288 pScrn->virtualY = height;
289#ifdef VBOX_DRI_OLD
290 if (pVBox->useDRI)
291 VBOXDRIUpdateStride(pScrn, pVBox);
292#endif
293 return TRUE;
294}
295
296/** Set a video mode to the hardware, RandR 1.1 version. Since we no longer do
297 * virtual frame buffers, adjust the screen pixmap dimensions to match. The
298 * "override" parameters are for when we received a mode hint while switched to
299 * a virtual terminal. In this case VBoxClient will have told us about the
300 * mode, but not yet been able to do a mode switch using RandR. We solve this
301 * by setting the requested mode to the host but keeping the virtual frame-
302 * buffer matching what the X server expects. */
303static void setModeRandR11(ScrnInfoPtr pScrn, DisplayModePtr pMode, bool fScreenInitTime, bool fEnterVTTime,
304 int cXOverRide, int cYOverRide)
305{
306 VBOXPtr pVBox = VBOXGetRec(pScrn);
307 struct vbvxFrameBuffer frameBuffer = { 0, 0, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel};
308 int cXPhysical = cXOverRide > 0 ? min(cXOverRide, pMode->HDisplay) : pMode->HDisplay;
309 int cYPhysical = cYOverRide > 0 ? min(cYOverRide, pMode->VDisplay) : pMode->VDisplay;
310
311 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
312 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
313 if (fScreenInitTime)
314 {
315 /* The screen structure is not fully set up yet, so do not touch it. */
316 pScrn->displayWidth = pScrn->virtualX = pMode->HDisplay;
317 pScrn->virtualY = pMode->VDisplay;
318 }
319 else
320 {
321 xf86ScrnToScreen(pScrn)->width = pMode->HDisplay;
322 xf86ScrnToScreen(pScrn)->height = pMode->VDisplay;
323 /* This prevents a crash in CentOS 3. I was unable to debug it to
324 * satisfaction, partly due to the lack of symbols. My guess is that
325 * pScrn->ModifyPixmapHeader() expects certain things to be set up when
326 * it sees pScrn->vtSema set to true which are not quite done at this
327 * point of the VT switch. */
328 if (fEnterVTTime)
329 pScrn->vtSema = FALSE;
330 adjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
331 if (fEnterVTTime)
332 pScrn->vtSema = TRUE;
333 }
334 if (pMode->HDisplay != 0 && pMode->VDisplay != 0 && pScrn->vtSema)
335 vbvxSetMode(pScrn, 0, cXPhysical, cYPhysical, 0, 0, true, true, &frameBuffer);
336 pScrn->currentMode = pMode;
337}
338
339#ifdef VBOXVIDEO_13
340/* X.org 1.3+ mode-setting support ******************************************/
341
342/** Set a video mode to the hardware, RandR 1.2 version. If this is the first
343 * screen, re-set the current mode for all others (the offset for the first
344 * screen is always treated as zero by the hardware, so all other screens need
345 * to be changed to compensate for any changes!). The mode to set is taken
346 * from the X.Org Crtc structure. */
347static void setModeRandR12(ScrnInfoPtr pScrn, unsigned cScreen)
348{
349 VBOXPtr pVBox = VBOXGetRec(pScrn);
350 unsigned i;
351 struct vbvxFrameBuffer frameBuffer = { pVBox->pScreens[0].paCrtcs->x, pVBox->pScreens[0].paCrtcs->y, pScrn->virtualX,
352 pScrn->virtualY, pScrn->bitsPerPixel };
353 unsigned cFirst = cScreen;
354 unsigned cLast = cScreen != 0 ? cScreen + 1 : pVBox->cScreens;
355 int originalX, originalY;
356
357 /* Check that this code cannot trigger the resizing bug in X.Org Server 1.3.
358 * See the work-around in ScreenInit. */
359 xf86RandR12GetOriginalVirtualSize(pScrn, &originalX, &originalY);
360 VBVXASSERT(originalX == VBOX_VIDEO_MAX_VIRTUAL && originalY == VBOX_VIDEO_MAX_VIRTUAL, ("OriginalSize=%dx%d",
361 originalX, originalY));
362 for (i = cFirst; i < cLast; ++i)
363 if (pVBox->pScreens[i].paCrtcs->mode.HDisplay != 0 && pVBox->pScreens[i].paCrtcs->mode.VDisplay != 0 && pScrn->vtSema)
364 vbvxSetMode(pScrn, i, pVBox->pScreens[i].paCrtcs->mode.HDisplay, pVBox->pScreens[i].paCrtcs->mode.VDisplay,
365 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, pVBox->pScreens[i].fPowerOn,
366 pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected, &frameBuffer);
367}
368
369/** Wrapper around setModeRandR12() to avoid exposing non-obvious semantics.
370 */
371static void setAllModesRandR12(ScrnInfoPtr pScrn)
372{
373 setModeRandR12(pScrn, 0);
374}
375
376/* For descriptions of these functions and structures, see
377 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
378 X.Org source tree. */
379
380static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
381{
382 VBOXPtr pVBox = VBOXGetRec(pScrn);
383 Bool rc;
384 unsigned i;
385
386 TRACE_LOG("width=%d, height=%d\n", cw, ch);
387 rc = adjustScreenPixmap(pScrn, cw, ch);
388 /* Power-on all screens (the server expects this) and set the new pitch to them. */
389 for (i = 0; i < pVBox->cScreens; ++i)
390 pVBox->pScreens[i].fPowerOn = true;
391 setAllModesRandR12(pScrn);
392 vbvxSetSolarisMouseRange(cw, ch);
393 return rc;
394}
395
396static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
397 vbox_config_resize
398};
399
400static void
401vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
402{
403 ScrnInfoPtr pScrn = crtc->scrn;
404 VBOXPtr pVBox = VBOXGetRec(pScrn);
405 unsigned cDisplay = (uintptr_t)crtc->driver_private;
406
407 TRACE_LOG("mode=%d\n", mode);
408 pVBox->pScreens[cDisplay].fPowerOn = (mode != DPMSModeOff);
409 setModeRandR12(pScrn, cDisplay);
410}
411
412static Bool
413vbox_crtc_lock (xf86CrtcPtr crtc)
414{ (void) crtc; return FALSE; }
415
416
417/* We use this function to check whether the X server owns the active virtual
418 * terminal before attempting a mode switch, since the RandR extension isn't
419 * very dilligent here, which can mean crashes if we are unlucky. This is
420 * not the way it the function is intended - it is meant for reporting modes
421 * which the hardware can't handle. I hope that this won't confuse any clients
422 * connecting to us. */
423static Bool
424vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
425 DisplayModePtr adjusted_mode)
426{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
427
428static void
429vbox_crtc_stub (xf86CrtcPtr crtc)
430{ (void) crtc; }
431
432static void
433vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
434 DisplayModePtr adjusted_mode, int x, int y)
435{
436 (void) mode;
437 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
438 unsigned cDisplay = (uintptr_t)crtc->driver_private;
439
440 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
441 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
442 pVBox->pScreens[cDisplay].fPowerOn = true;
443 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
444 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
445 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
446 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
447 setModeRandR12(crtc->scrn, cDisplay);
448}
449
450static void
451vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
452 CARD16 *green, CARD16 *blue, int size)
453{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
454
455static void *
456vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
457{ (void) crtc; (void) width; (void) height; return NULL; }
458
459static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
460 .dpms = vbox_crtc_dpms,
461 .save = NULL, /* These two are never called by the server. */
462 .restore = NULL,
463 .lock = vbox_crtc_lock,
464 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
465 .mode_fixup = vbox_crtc_mode_fixup,
466 .prepare = vbox_crtc_stub,
467 .mode_set = vbox_crtc_mode_set,
468 .commit = vbox_crtc_stub,
469 .gamma_set = vbox_crtc_gamma_set,
470 .shadow_allocate = vbox_crtc_shadow_allocate,
471 .shadow_create = NULL, /* These two should not be invoked if allocate
472 returns NULL. */
473 .shadow_destroy = NULL,
474 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
475 .set_cursor_position = NULL,
476 .show_cursor = NULL,
477 .hide_cursor = NULL,
478 .load_cursor_argb = NULL,
479 .destroy = vbox_crtc_stub
480};
481
482static void
483vbox_output_stub (xf86OutputPtr output)
484{ (void) output; }
485
486static void
487vbox_output_dpms (xf86OutputPtr output, int mode)
488{
489 (void)output; (void)mode;
490}
491
492static int
493vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
494{
495 return MODE_OK;
496}
497
498static Bool
499vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
500 DisplayModePtr adjusted_mode)
501{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
502
503static void
504vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
505 DisplayModePtr adjusted_mode)
506{ (void) output; (void) mode; (void) adjusted_mode; }
507
508/* A virtual monitor is always connected. */
509static xf86OutputStatus
510vbox_output_detect (xf86OutputPtr output)
511{
512 ScrnInfoPtr pScrn = output->scrn;
513 VBOXPtr pVBox = VBOXGetRec(pScrn);
514 uint32_t iScreen = (uintptr_t)output->driver_private;
515 return pVBox->pScreens[iScreen].afConnected
516 ? XF86OutputStatusConnected : XF86OutputStatusDisconnected;
517}
518
519static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y,
520 Bool isPreferred, Bool isUserDef)
521{
522 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
523 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
524 int cRefresh = 60;
525
526 pMode->status = MODE_OK;
527 /* We don't ask the host whether it likes user defined modes,
528 * as we assume that the user really wanted that mode. */
529 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
530 if (isPreferred)
531 pMode->type |= M_T_PREFERRED;
532 /* Older versions of VBox only support screen widths which are a multiple
533 * of 8 */
534 if (pVBox->fAnyX)
535 pMode->HDisplay = x;
536 else
537 pMode->HDisplay = x & ~7;
538 pMode->HSyncStart = pMode->HDisplay + 2;
539 pMode->HSyncEnd = pMode->HDisplay + 4;
540 pMode->HTotal = pMode->HDisplay + 6;
541 pMode->VDisplay = y;
542 pMode->VSyncStart = pMode->VDisplay + 2;
543 pMode->VSyncEnd = pMode->VDisplay + 4;
544 pMode->VTotal = pMode->VDisplay + 6;
545 pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */
546 if (NULL == pszName) {
547 xf86SetModeDefaultName(pMode);
548 } else {
549 pMode->name = xnfstrdup(pszName);
550 }
551 *pModes = xf86ModesAdd(*pModes, pMode);
552 return pMode;
553}
554
555static DisplayModePtr
556vbox_output_get_modes (xf86OutputPtr output)
557{
558 unsigned cIndex = 0;
559 DisplayModePtr pModes = NULL;
560 ScrnInfoPtr pScrn = output->scrn;
561 VBOXPtr pVBox = VBOXGetRec(pScrn);
562
563 TRACE_ENTRY();
564 uint32_t iScreen = (uintptr_t)output->driver_private;
565 vbox_output_add_mode(pVBox, &pModes, NULL,
566 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
567 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
568 TRUE, FALSE);
569 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1600, FALSE, FALSE);
570 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1440, FALSE, FALSE);
571 vbox_output_add_mode(pVBox, &pModes, NULL, 2048, 1536, FALSE, FALSE);
572 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1600, FALSE, FALSE);
573 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1080, FALSE, FALSE);
574 vbox_output_add_mode(pVBox, &pModes, NULL, 1680, 1050, FALSE, FALSE);
575 vbox_output_add_mode(pVBox, &pModes, NULL, 1600, 1200, FALSE, FALSE);
576 vbox_output_add_mode(pVBox, &pModes, NULL, 1400, 1050, FALSE, FALSE);
577 vbox_output_add_mode(pVBox, &pModes, NULL, 1280, 1024, FALSE, FALSE);
578 vbox_output_add_mode(pVBox, &pModes, NULL, 1024, 768, FALSE, FALSE);
579 vbox_output_add_mode(pVBox, &pModes, NULL, 800, 600, FALSE, FALSE);
580 vbox_output_add_mode(pVBox, &pModes, NULL, 640, 480, FALSE, FALSE);
581 TRACE_EXIT();
582 return pModes;
583}
584
585static const xf86OutputFuncsRec VBOXOutputFuncs = {
586 .create_resources = vbox_output_stub,
587 .dpms = vbox_output_dpms,
588 .save = NULL, /* These two are never called by the server. */
589 .restore = NULL,
590 .mode_valid = vbox_output_mode_valid,
591 .mode_fixup = vbox_output_mode_fixup,
592 .prepare = vbox_output_stub,
593 .commit = vbox_output_stub,
594 .mode_set = vbox_output_mode_set,
595 .detect = vbox_output_detect,
596 .get_modes = vbox_output_get_modes,
597#ifdef RANDR_12_INTERFACE
598 .set_property = NULL,
599#endif
600 .destroy = vbox_output_stub
601};
602#endif /* VBOXVIDEO_13 */
603
604/* Module loader interface */
605static MODULESETUPPROTO(vboxSetup);
606
607static XF86ModuleVersionInfo vboxVersionRec =
608{
609 VBOX_DRIVER_NAME,
610 VBOX_VENDOR,
611 MODINFOSTRING1,
612 MODINFOSTRING2,
613#ifdef XORG_7X
614 XORG_VERSION_CURRENT,
615#else
616 XF86_VERSION_CURRENT,
617#endif
618 1, /* Module major version. Xorg-specific */
619 0, /* Module minor version. Xorg-specific */
620 1, /* Module patchlevel. Xorg-specific */
621 ABI_CLASS_VIDEODRV, /* This is a video driver */
622 ABI_VIDEODRV_VERSION,
623 MOD_CLASS_VIDEODRV,
624 {0, 0, 0, 0}
625};
626
627/*
628 * This data is accessed by the loader. The name must be the module name
629 * followed by "ModuleData".
630 */
631#ifdef XORG_7X
632_X_EXPORT
633#endif
634XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
635
636static pointer
637vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
638{
639 static Bool Initialised = FALSE;
640
641 if (!Initialised)
642 {
643 Initialised = TRUE;
644#ifdef PCIACCESS
645 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
646#else
647 xf86AddDriver(&VBOXVIDEO, Module, 0);
648#endif
649#ifndef XORG_7X
650 LoaderRefSymLists(fbSymbols,
651 shadowfbSymbols,
652 ramdacSymbols,
653 vgahwSymbols,
654 NULL);
655#endif
656 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
657 (void *)&VBOXVIDEO);
658 return (pointer)TRUE;
659 }
660
661 if (ErrorMajor)
662 *ErrorMajor = LDR_ONCEONLY;
663 return (NULL);
664}
665
666
667static const OptionInfoRec *
668VBOXAvailableOptions(int chipid, int busid)
669{
670 return (VBOXOptions);
671}
672
673static void
674VBOXIdentify(int flags)
675{
676 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
677}
678
679#ifndef XF86_SCRN_INTERFACE
680# define SCRNINDEXAPI(pfn) pfn ## Index
681static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
682 char **argv)
683{ return VBOXScreenInit(pScreen, argc, argv); }
684
685static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
686{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
687
688static void VBOXLeaveVTIndex(int scrnIndex, int flags)
689{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
690
691static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
692{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
693
694static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
695{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
696
697static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
698{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
699
700static void VBOXFreeScreenIndex(int scrnIndex, int flags)
701{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
702# else
703# define SCRNINDEXAPI(pfn) pfn
704#endif /* XF86_SCRN_INTERFACE */
705
706static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
707{
708 pScrn->driverVersion = VBOX_VERSION;
709 pScrn->driverName = VBOX_DRIVER_NAME;
710 pScrn->name = VBOX_NAME;
711 pScrn->Probe = pfnProbe;
712 pScrn->PreInit = VBOXPreInit;
713 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
714 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
715 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
716 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
717 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
718 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
719}
720
721/*
722 * One of these functions is called once, at the start of the first server
723 * generation to do a minimal probe for supported hardware.
724 */
725
726#ifdef PCIACCESS
727static Bool
728VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
729 intptr_t match_data)
730{
731 ScrnInfoPtr pScrn;
732
733 TRACE_ENTRY();
734 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
735 NULL, NULL, NULL, NULL, NULL);
736 if (pScrn != NULL) {
737 VBOXPtr pVBox;
738
739 VBOXSetRec(pScrn);
740 pVBox = VBOXGetRec(pScrn);
741 if (!pVBox)
742 return FALSE;
743 setScreenFunctions(pScrn, NULL);
744 pVBox->pciInfo = dev;
745 }
746
747 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
748 return (pScrn != NULL);
749}
750#endif
751
752#ifndef PCIACCESS
753static Bool
754VBOXProbe(DriverPtr drv, int flags)
755{
756 Bool foundScreen = FALSE;
757 int numDevSections;
758 GDevPtr *devSections;
759
760 /*
761 * Find the config file Device sections that match this
762 * driver, and return if there are none.
763 */
764 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
765 &devSections)) <= 0)
766 return (FALSE);
767
768 /* PCI BUS */
769 if (xf86GetPciVideoInfo())
770 {
771 int numUsed;
772 int *usedChips;
773 int i;
774 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
775 VBOXChipsets, VBOXPCIchipsets,
776 devSections, numDevSections,
777 drv, &usedChips);
778 if (numUsed > 0)
779 {
780 if (flags & PROBE_DETECT)
781 foundScreen = TRUE;
782 else
783 for (i = 0; i < numUsed; i++)
784 {
785 ScrnInfoPtr pScrn = NULL;
786 /* Allocate a ScrnInfoRec */
787 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
788 VBOXPCIchipsets,NULL,
789 NULL,NULL,NULL,NULL)))
790 {
791 setScreenFunctions(pScrn, VBOXProbe);
792 foundScreen = TRUE;
793 }
794 }
795 free(usedChips);
796 }
797 }
798 free(devSections);
799 return (foundScreen);
800}
801#endif
802
803
804/*
805 * QUOTE from the XFree86 DESIGN document:
806 *
807 * The purpose of this function is to find out all the information
808 * required to determine if the configuration is usable, and to initialise
809 * those parts of the ScrnInfoRec that can be set once at the beginning of
810 * the first server generation.
811 *
812 * (...)
813 *
814 * This includes probing for video memory, clocks, ramdac, and all other
815 * HW info that is needed. It includes determining the depth/bpp/visual
816 * and related info. It includes validating and determining the set of
817 * video modes that will be used (and anything that is required to
818 * determine that).
819 *
820 * This information should be determined in the least intrusive way
821 * possible. The state of the HW must remain unchanged by this function.
822 * Although video memory (including MMIO) may be mapped within this
823 * function, it must be unmapped before returning.
824 *
825 * END QUOTE
826 */
827
828static Bool
829VBOXPreInit(ScrnInfoPtr pScrn, int flags)
830{
831 VBOXPtr pVBox;
832 Gamma gzeros = {0.0, 0.0, 0.0};
833 rgb rzeros = {0, 0, 0};
834
835 TRACE_ENTRY();
836 /* Are we really starting the server, or is this just a dummy run? */
837 if (flags & PROBE_DETECT)
838 return (FALSE);
839
840 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "VirtualBox guest additions video driver version " VBOX_VERSION_STRING "r%d\n",
841 VBOX_SVN_REV);
842
843 /* Get our private data from the ScrnInfoRec structure. */
844 VBOXSetRec(pScrn);
845 pVBox = VBOXGetRec(pScrn);
846 if (!pVBox)
847 return FALSE;
848
849 /* Entity information seems to mean bus information. */
850 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
851
852 /* The ramdac module is needed for the hardware cursor. */
853 if (!xf86LoadSubModule(pScrn, "ramdac"))
854 return FALSE;
855
856 /* The framebuffer module. */
857 if (!xf86LoadSubModule(pScrn, "fb"))
858 return (FALSE);
859
860 if (!xf86LoadSubModule(pScrn, "shadowfb"))
861 return FALSE;
862
863 if (!xf86LoadSubModule(pScrn, "vgahw"))
864 return FALSE;
865
866#ifdef VBOX_DRI_OLD
867 /* Load the dri module. */
868 if (!xf86LoadSubModule(pScrn, "dri"))
869 return FALSE;
870#else
871# ifdef VBOX_DRI
872 /* Load the dri module. */
873 if (!xf86LoadSubModule(pScrn, "dri2"))
874 return FALSE;
875# endif
876#endif
877
878#ifndef PCIACCESS
879 if (pVBox->pEnt->location.type != BUS_PCI)
880 return FALSE;
881
882 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
883 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
884 pVBox->pciInfo->device,
885 pVBox->pciInfo->func);
886#endif
887
888 /* Set up our ScrnInfoRec structure to describe our virtual
889 capabilities to X. */
890
891 pScrn->chipset = "vbox";
892 /** @note needed during colourmap initialisation */
893 pScrn->rgbBits = 8;
894
895 /* Let's create a nice, capable virtual monitor. */
896 pScrn->monitor = pScrn->confScreen->monitor;
897 pScrn->monitor->DDC = NULL;
898 pScrn->monitor->nHsync = 1;
899 pScrn->monitor->hsync[0].lo = 1;
900 pScrn->monitor->hsync[0].hi = 10000;
901 pScrn->monitor->nVrefresh = 1;
902 pScrn->monitor->vrefresh[0].lo = 1;
903 pScrn->monitor->vrefresh[0].hi = 100;
904
905 pScrn->progClock = TRUE;
906
907 /* Using the PCI information caused problems with non-powers-of-two
908 sized video RAM configurations */
909 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
910 pScrn->videoRam = pVBox->cbFBMax / 1024;
911
912 /* Check if the chip restricts horizontal resolution or not. */
913 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
914
915 /* Set up clock information that will support all modes we need. */
916 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
917 pScrn->clockRanges->minClock = 1000;
918 pScrn->clockRanges->maxClock = 1000000000;
919 pScrn->clockRanges->clockIndex = -1;
920 pScrn->clockRanges->ClockMulFactor = 1;
921 pScrn->clockRanges->ClockDivFactor = 1;
922
923 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
924 return FALSE;
925 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
926 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
927 {
928 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
929 "The VBox additions only support 16 and 32bpp graphics modes\n");
930 return FALSE;
931 }
932 xf86PrintDepthBpp(pScrn);
933 vboxAddModes(pScrn);
934
935#ifdef VBOXVIDEO_13
936 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
937 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
938#else
939 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
940 * already know what we like and what we don't. */
941
942 pScrn->currentMode = pScrn->modes;
943
944 /* Set the right virtual resolution. */
945 pScrn->virtualX = pScrn->bitsPerPixel == 16 ? (pScrn->currentMode->HDisplay + 1) & ~1 : pScrn->currentMode->HDisplay;
946 pScrn->virtualY = pScrn->currentMode->VDisplay;
947
948#endif /* !VBOXVIDEO_13 */
949
950 /* Needed before we initialise DRI. */
951 pScrn->displayWidth = pScrn->virtualX;
952
953 xf86PrintModes(pScrn);
954
955 /* VGA hardware initialisation */
956 if (!vgaHWGetHWRec(pScrn))
957 return FALSE;
958 /* Must be called before any VGA registers are saved or restored */
959 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
960 vgaHWGetIOBase(VGAHWPTR(pScrn));
961
962 /* Colour weight - we always call this, since we are always in
963 truecolour. */
964 if (!xf86SetWeight(pScrn, rzeros, rzeros))
965 return (FALSE);
966
967 /* visual init */
968 if (!xf86SetDefaultVisual(pScrn, -1))
969 return (FALSE);
970
971 xf86SetGamma(pScrn, gzeros);
972
973 /* Set the DPI. Perhaps we should read this from the host? */
974 xf86SetDpi(pScrn, 96, 96);
975
976 if (pScrn->memPhysBase == 0) {
977#ifdef PCIACCESS
978 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
979#else
980 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
981#endif
982 pScrn->fbOffset = 0;
983 }
984
985 TRACE_EXIT();
986 return (TRUE);
987}
988
989/**
990 * Dummy function for setting the colour palette, which we actually never
991 * touch. However, the server still requires us to provide this.
992 */
993static void
994vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
995 LOCO *colors, VisualPtr pVisual)
996{
997 (void)pScrn; (void) numColors; (void) indices; (void) colors;
998 (void)pVisual;
999}
1000
1001/** Set the graphics and guest cursor support capabilities to the host if
1002 * the user-space helper is running. */
1003static void updateGraphicsCapability(ScrnInfoPtr pScrn, Bool hasVT)
1004{
1005 VBOXPtr pVBox = VBOXGetRec(pScrn);
1006 size_t cData;
1007 int32_t *paData;
1008 int rc;
1009
1010 if (pVBox->fHaveHGSMIModeHints)
1011 return;
1012 rc = vbvxGetIntegerPropery(pScrn, "VBOX_HAS_GRAPHICS", &cData, &paData);
1013 if (rc != VINF_SUCCESS || cData != 1)
1014 return;
1015 if (RT_BOOL(*paData) != hasVT)
1016 {
1017 uint32_t fFeatures;
1018 VbglR3SetGuestCaps(hasVT ? VMMDEV_GUEST_SUPPORTS_GRAPHICS : 0, hasVT ? 0 : VMMDEV_GUEST_SUPPORTS_GRAPHICS);
1019 rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL);
1020 fFeatures &= VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE | VMMDEV_MOUSE_NEW_PROTOCOL;
1021 if (RT_SUCCESS(rc))
1022 VbglR3SetMouseStatus(hasVT ? fFeatures : fFeatures | VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR);
1023 }
1024 *paData = hasVT;
1025}
1026
1027#ifdef VBOXVIDEO_13
1028
1029static void setVirtualSizeRandR12(ScrnInfoPtr pScrn, bool fScreenInitTime)
1030{
1031 VBOXPtr pVBox = VBOXGetRec(pScrn);
1032 unsigned i;
1033 unsigned cx = 0;
1034 unsigned cy = 0;
1035
1036 for (i = 0; i < pVBox->cScreens; ++i)
1037 {
1038 if ( pVBox->fHaveHGSMIModeHints && pVBox->pScreens[i].afHaveLocation)
1039 {
1040 pVBox->pScreens[i].paCrtcs->x = pVBox->pScreens[i].aPreferredLocation.x;
1041 pVBox->pScreens[i].paCrtcs->y = pVBox->pScreens[i].aPreferredLocation.y;
1042 }
1043 if ( pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected
1044 && pVBox->pScreens[i].paCrtcs->x + pVBox->pScreens[i].aPreferredSize.cx < VBOX_VIDEO_MAX_VIRTUAL
1045 && pVBox->pScreens[i].paCrtcs->y + pVBox->pScreens[i].aPreferredSize.cy < VBOX_VIDEO_MAX_VIRTUAL)
1046 {
1047 cx = max(cx, pVBox->pScreens[i].paCrtcs->x + pVBox->pScreens[i].aPreferredSize.cx);
1048 cy = max(cy, pVBox->pScreens[i].paCrtcs->y + pVBox->pScreens[i].aPreferredSize.cy);
1049 }
1050 }
1051 if (cx != 0 && cy != 0)
1052 {
1053 /* Do not set the virtual resolution in limited context as that can
1054 * cause problems setting up RandR 1.2 which needs it set to the
1055 * maximum size at this point. */
1056 if (!fScreenInitTime)
1057 {
1058 TRACE_LOG("cx=%u, cy=%u\n", cx, cy);
1059 xf86ScrnToScreen(pScrn)->width = cx;
1060 xf86ScrnToScreen(pScrn)->height = cy;
1061 xf86ScrnToScreen(pScrn)->mmWidth = cx * 254 / 960;
1062 xf86ScrnToScreen(pScrn)->mmHeight = cy * 254 / 960;
1063 adjustScreenPixmap(pScrn, cx, cy);
1064 vbvxSetSolarisMouseRange(cx, cy);
1065 }
1066 }
1067}
1068
1069static void setScreenSizesRandR12(ScrnInfoPtr pScrn, bool fScreenInitTime)
1070{
1071 VBOXPtr pVBox = VBOXGetRec(pScrn);
1072 unsigned i;
1073
1074 for (i = 0; i < pVBox->cScreens; ++i)
1075 {
1076 if (!pVBox->pScreens[i].afConnected)
1077 continue;
1078 /* The Crtc can get "unset" if the screen was disconnected previously.
1079 * I couldn't find an API to re-set it which did not have side-effects.
1080 */
1081 pVBox->pScreens[i].paOutputs->crtc = pVBox->pScreens[i].paCrtcs;
1082 xf86CrtcSetMode(pVBox->pScreens[i].paCrtcs, pVBox->pScreens[i].paOutputs->probed_modes, RR_Rotate_0,
1083 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y);
1084 if (!fScreenInitTime)
1085 RRCrtcNotify(pVBox->pScreens[i].paCrtcs->randr_crtc, pVBox->pScreens[i].paOutputs->randr_output->modes[0],
1086 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, RR_Rotate_0,
1087#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1088 NULL,
1089#endif
1090 1, &pVBox->pScreens[i].paOutputs->randr_output);
1091 }
1092}
1093
1094static void setSizesRandR12(ScrnInfoPtr pScrn, bool fScreenInitTime)
1095{
1096 VBOXPtr pVBox = VBOXGetRec(pScrn);
1097
1098 if (!fScreenInitTime)
1099 {
1100# if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1101 RRGetInfo(xf86ScrnToScreen(pScrn), TRUE);
1102# else
1103 RRGetInfo(xf86ScrnToScreen(pScrn));
1104# endif
1105 }
1106 setVirtualSizeRandR12(pScrn, fScreenInitTime);
1107 setScreenSizesRandR12(pScrn, fScreenInitTime);
1108 if (!fScreenInitTime)
1109 {
1110 /* We use RRScreenSizeSet() here and not RRScreenSizeNotify() because
1111 * the first also pushes the virtual screen size to the input driver.
1112 * We were doing this manually by setting screenInfo.width and height
1113 * and calling xf86UpdateDesktopDimensions() where appropriate, but this
1114 * failed on Ubuntu 12.04.0 due to a problematic X server back-port. */
1115 RRScreenSizeSet(xf86ScrnToScreen(pScrn), xf86ScrnToScreen(pScrn)->width, xf86ScrnToScreen(pScrn)->height,
1116 xf86ScrnToScreen(pScrn)->mmWidth, xf86ScrnToScreen(pScrn)->mmHeight);
1117 RRTellChanged(xf86ScrnToScreen(pScrn));
1118 }
1119}
1120
1121#else
1122
1123static void setSizesRandR11(ScrnInfoPtr pScrn)
1124{
1125 VBOXPtr pVBox = VBOXGetRec(pScrn);
1126 DisplayModePtr pNewMode;
1127
1128 pNewMode = pScrn->modes != pScrn->currentMode ? pScrn->modes : pScrn->modes->next;
1129 pNewMode->HDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1130 pNewMode->VDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1131}
1132
1133#endif
1134
1135static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime)
1136{
1137 VBOXPtr pVBox = VBOXGetRec(pScrn);
1138
1139 TRACE_LOG("fScreenInitTime=%d\n", (int)fScreenInitTime);
1140#ifdef VBOXVIDEO_13
1141 setSizesRandR12(pScrn, fScreenInitTime);
1142#else
1143 setSizesRandR11(pScrn);
1144#endif
1145 /* This calls EnableDisableFBAccess(), so only use when switched in. */
1146 if (pScrn->vtSema)
1147 vbvxReprobeCursor(pScrn);
1148}
1149
1150/* We update the size hints from the X11 property set by VBoxClient every time
1151 * that the X server goes to sleep (to catch the property change request).
1152 * Although this is far more often than necessary it should not have real-life
1153 * performance consequences and allows us to simplify the code quite a bit. */
1154static void vboxBlockHandler(pointer pData, OSTimePtr pTimeout, pointer pReadmask)
1155{
1156 ScrnInfoPtr pScrn = (ScrnInfoPtr)pData;
1157 VBOXPtr pVBox = VBOXGetRec(pScrn);
1158 bool fNeedUpdate = false;
1159
1160 (void)pTimeout;
1161 (void)pReadmask;
1162 updateGraphicsCapability(pScrn, pScrn->vtSema);
1163 if (pScrn->vtSema)
1164 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, &fNeedUpdate);
1165 /* This has to be done even when we are switched out so that VBoxClient can
1166 * set a mode using RandR without having to know the virtual terminal state.
1167 */
1168 if (ROOT_WINDOW(pScrn) != NULL)
1169 vbvxReadSizesAndCursorIntegrationFromProperties(pScrn, &fNeedUpdate);
1170 if (fNeedUpdate)
1171 setSizesAndCursorIntegration(pScrn, false);
1172}
1173
1174/*
1175 * QUOTE from the XFree86 DESIGN document:
1176 *
1177 * This is called at the start of each server generation.
1178 *
1179 * (...)
1180 *
1181 * Decide which operations need to be placed under resource access
1182 * control. (...) Map any video memory or other memory regions. (...)
1183 * Save the video card state. (...) Initialise the initial video
1184 * mode.
1185 *
1186 * End QUOTE.
1187 */
1188static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1189{
1190 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1191 VBOXPtr pVBox = VBOXGetRec(pScrn);
1192 VisualPtr visual;
1193
1194 TRACE_ENTRY();
1195
1196 /* Initialise our guest library if possible: ignore failure. */
1197 VbglR3Init();
1198 if (!VBOXMapVidMem(pScrn))
1199 return (FALSE);
1200
1201 /* save current video state */
1202 VBOXSaveMode(pScrn);
1203
1204 /* mi layer - reset the visual list (?)*/
1205 miClearVisualTypes();
1206 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1207 pScrn->rgbBits, TrueColor))
1208 return (FALSE);
1209 if (!miSetPixmapDepths())
1210 return (FALSE);
1211
1212#ifdef VBOX_DRI
1213 pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
1214# ifndef VBOX_DRI_OLD /* DRI2 */
1215 if (pVBox->drmFD >= 0)
1216 /* Tell the kernel driver, if present, that we are taking over. */
1217 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1218# endif
1219#endif
1220
1221 if (!fbScreenInit(pScreen, pVBox->base,
1222 pScrn->virtualX, pScrn->virtualY,
1223 pScrn->xDpi, pScrn->yDpi,
1224 pScrn->displayWidth, pScrn->bitsPerPixel))
1225 return (FALSE);
1226
1227 /* Fixup RGB ordering */
1228 /** @note the X server uses this even in true colour. */
1229 visual = pScreen->visuals + pScreen->numVisuals;
1230 while (--visual >= pScreen->visuals) {
1231 if ((visual->class | DynamicClass) == DirectColor) {
1232 visual->offsetRed = pScrn->offset.red;
1233 visual->offsetGreen = pScrn->offset.green;
1234 visual->offsetBlue = pScrn->offset.blue;
1235 visual->redMask = pScrn->mask.red;
1236 visual->greenMask = pScrn->mask.green;
1237 visual->blueMask = pScrn->mask.blue;
1238 }
1239 }
1240
1241 /* must be after RGB ordering fixed */
1242 fbPictureInit(pScreen, 0, 0);
1243
1244 xf86SetBlackWhitePixels(pScreen);
1245 pScrn->vtSema = TRUE;
1246
1247#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1248 vbvxSetUpLinuxACPI(pScreen);
1249#endif
1250
1251 if (!VBoxHGSMIIsSupported())
1252 {
1253 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Graphics device too old to support.\n");
1254 return FALSE;
1255 }
1256 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1257 pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx);
1258 pVBox->pScreens = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->pScreens));
1259 pVBox->paVBVAModeHints = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->paVBVAModeHints));
1260 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n", pVBox->cScreens);
1261 vboxEnableVbva(pScrn);
1262 /* Set up the dirty rectangle handler. It will be added into a function
1263 * chain and gets removed when the screen is cleaned up. */
1264 if (ShadowFBInit2(pScreen, NULL, vbvxHandleDirtyRect) != TRUE)
1265 return FALSE;
1266 VBoxInitialiseSizeHints(pScrn);
1267 /* Get any screen size hints from HGSMI. Do not yet try to access X11
1268 * properties, as they are not yet set up, and nor are the clients that
1269 * might have set them. */
1270 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, NULL);
1271
1272#ifdef VBOXVIDEO_13
1273 /* Initialise CRTC and output configuration for use with randr1.2. */
1274 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1275
1276 {
1277 uint32_t i;
1278
1279 for (i = 0; i < pVBox->cScreens; ++i)
1280 {
1281 char szOutput[256];
1282
1283 /* Setup our virtual CRTCs. */
1284 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1285 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1286
1287 /* Set up our virtual outputs. */
1288 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1289 pVBox->pScreens[i].paOutputs
1290 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1291
1292 /* We are not interested in the monitor section in the
1293 * configuration file. */
1294 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1295 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1296 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1297 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1298 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1299 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1300 (void *)pVBox->pScreens[i].paOutputs);
1301 }
1302 }
1303
1304 /* Set a sane minimum and maximum mode size to match what the hardware
1305 * supports. */
1306 xf86CrtcSetSizeRange(pScrn, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL, VBOX_VIDEO_MAX_VIRTUAL);
1307
1308 /* Now create our initial CRTC/output configuration. */
1309 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1310 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1311 return (FALSE);
1312 }
1313
1314 /* Work around a bug in the original X server modesetting code, which took
1315 * the first valid values set to these two as maxima over the server
1316 * lifetime. This bug was introduced on Feb 15 2007 and was fixed in commit
1317 * fa877d7f three months later, so it was present in X.Org Server 1.3. */
1318 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
1319 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
1320
1321 /* Initialise randr 1.2 mode-setting functions. */
1322 if (!xf86CrtcScreenInit(pScreen)) {
1323 return FALSE;
1324 }
1325
1326 /* set first video mode */
1327 setSizesAndCursorIntegration(pScrn, true);
1328#else
1329 /* set first video mode */
1330 setModeRandR11(pScrn, pScrn->currentMode, true, false, 0, 0);
1331#endif
1332
1333 /* Register block and wake-up handlers for getting new screen size hints. */
1334 RegisterBlockAndWakeupHandlers(vboxBlockHandler, (WakeupHandlerProcPtr)NoopDDA, (pointer)pScrn);
1335
1336 /* software cursor */
1337 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1338
1339 /* colourmap code */
1340 if (!miCreateDefColormap(pScreen))
1341 return (FALSE);
1342
1343 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1344 return (FALSE);
1345
1346 pVBox->CloseScreen = pScreen->CloseScreen;
1347 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1348#ifdef VBOXVIDEO_13
1349 pScreen->SaveScreen = xf86SaveScreen;
1350#else
1351 pScreen->SaveScreen = VBOXSaveScreen;
1352#endif
1353
1354#ifdef VBOXVIDEO_13
1355 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1356#else
1357 /* We probably do want to support power management - even if we just use
1358 a dummy function. */
1359 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1360#endif
1361
1362 /* Report any unused options (only for the first generation) */
1363 if (serverGeneration == 1)
1364 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1365
1366 if (vbvxCursorInit(pScreen) != TRUE)
1367 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1368 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1369
1370#ifdef VBOX_DRI_OLD
1371 if (pVBox->useDRI)
1372 pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
1373#endif
1374
1375 return (TRUE);
1376}
1377
1378#define NO_VT_ATOM_NAME "VBOXVIDEO_NO_VT"
1379
1380static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1381{
1382 VBOXPtr pVBox = VBOXGetRec(pScrn);
1383#ifndef VBOXVIDEO_13
1384 /* If we got a mode request while we were switched out, temporarily override
1385 * the physical mode set to the device while keeping things consistent from
1386 * the server's point of view. */
1387 int cXOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1388 int cYOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1389#endif
1390
1391 TRACE_ENTRY();
1392 updateGraphicsCapability(pScrn, TRUE);
1393#ifdef VBOX_DRI_OLD
1394 if (pVBox->useDRI)
1395 DRIUnlock(xf86ScrnToScreen(pScrn));
1396#elif defined(VBOX_DRI) /* DRI2 */
1397 if (pVBox->drmFD >= 0)
1398 {
1399 /* Tell the kernel driver, if present, that we are taking over. */
1400 drmSetMaster(pVBox->drmFD);
1401 }
1402#endif
1403 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1404 vboxEnableVbva(pScrn);
1405 /* Re-set video mode */
1406#ifdef VBOXVIDEO_13
1407 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, NULL);
1408 setSizesAndCursorIntegration(pScrn, false);
1409#else
1410 setModeRandR11(pScrn, pScrn->currentMode, false, true, cXOverRide, cYOverRide);
1411 DeleteProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, TRUE));
1412#endif
1413 return TRUE;
1414}
1415
1416static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1417{
1418 VBOXPtr pVBox = VBOXGetRec(pScrn);
1419#ifdef VBOXVIDEO_13
1420 unsigned i;
1421#else
1422 int32_t propertyValue = 0;
1423#endif
1424
1425 TRACE_ENTRY();
1426 updateGraphicsCapability(pScrn, FALSE);
1427#ifdef VBOXVIDEO_13
1428 for (i = 0; i < pVBox->cScreens; ++i)
1429 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1430#else
1431 ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, FALSE), XA_INTEGER, 32,
1432 PropModeReplace, 1, &propertyValue, TRUE);
1433#endif
1434 vboxDisableVbva(pScrn);
1435 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1436#ifdef VBOX_DRI_OLD
1437 if (pVBox->useDRI)
1438 DRILock(xf86ScrnToScreen(pScrn), 0);
1439#elif defined(VBOX_DRI) /* DRI2 */
1440 if (pVBox->drmFD >= 0)
1441 drmDropMaster(pVBox->drmFD);
1442#endif
1443 VBOXRestoreMode(pScrn);
1444 TRACE_EXIT();
1445}
1446
1447static Bool VBOXCloseScreen(ScreenPtr pScreen)
1448{
1449 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1450 VBOXPtr pVBox = VBOXGetRec(pScrn);
1451#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1452 BOOL fRestore = TRUE;
1453#endif
1454 BOOL ret;
1455
1456 if (pScrn->vtSema)
1457 {
1458#ifdef VBOXVIDEO_13
1459 unsigned i;
1460
1461 for (i = 0; i < pVBox->cScreens; ++i)
1462 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1463#endif
1464 vboxDisableVbva(pScrn);
1465 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1466 }
1467#ifdef VBOX_DRI
1468# ifndef VBOX_DRI_OLD /* DRI2 */
1469 if ( pVBox->drmFD >= 0
1470 /* Tell the kernel driver, if present, that we are going away. */
1471 && drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) >= 0)
1472 fRestore = false;
1473# endif
1474 if (pVBox->useDRI)
1475 VBOXDRICloseScreen(pScreen, pVBox);
1476 pVBox->useDRI = false;
1477#endif
1478#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1479 if (fRestore)
1480#endif
1481 if (pScrn->vtSema)
1482 VBOXRestoreMode(pScrn);
1483 if (pScrn->vtSema)
1484 VBOXUnmapVidMem(pScrn);
1485 pScrn->vtSema = FALSE;
1486
1487 vbvxCursorTerm(pVBox);
1488
1489 pScreen->CloseScreen = pVBox->CloseScreen;
1490#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1491 vbvxCleanUpLinuxACPI(pScreen);
1492#endif
1493#ifndef XF86_SCRN_INTERFACE
1494 ret = pScreen->CloseScreen(pScreen->myNum, pScreen);
1495#else
1496 ret = pScreen->CloseScreen(pScreen);
1497#endif
1498 VbglR3Term();
1499 return ret;
1500}
1501
1502static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1503{
1504 Bool rc = TRUE;
1505
1506 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1507#ifdef VBOXVIDEO_13
1508 rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
1509#else
1510 setModeRandR11(pScrn, pMode, false, false, 0, 0);
1511#endif
1512 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1513 return rc;
1514}
1515
1516static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1517{ (void)pScrn; (void)x; (void)y; }
1518
1519static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1520{
1521 /* Destroy the VGA hardware record */
1522 vgaHWFreeHWRec(pScrn);
1523 /* And our private record */
1524 free(pScrn->driverPrivate);
1525 pScrn->driverPrivate = NULL;
1526}
1527
1528static Bool
1529VBOXMapVidMem(ScrnInfoPtr pScrn)
1530{
1531 VBOXPtr pVBox = VBOXGetRec(pScrn);
1532 Bool rc = TRUE;
1533
1534 TRACE_ENTRY();
1535 if (!pVBox->base)
1536 {
1537#ifdef PCIACCESS
1538 (void) pci_device_map_range(pVBox->pciInfo,
1539 pScrn->memPhysBase,
1540 pScrn->videoRam * 1024,
1541 PCI_DEV_MAP_FLAG_WRITABLE,
1542 & pVBox->base);
1543#else
1544 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1545 VIDMEM_FRAMEBUFFER,
1546 pVBox->pciTag, pScrn->memPhysBase,
1547 (unsigned) pScrn->videoRam * 1024);
1548#endif
1549 if (!pVBox->base)
1550 rc = FALSE;
1551 }
1552 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1553 return rc;
1554}
1555
1556static void
1557VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1558{
1559 VBOXPtr pVBox = VBOXGetRec(pScrn);
1560
1561 TRACE_ENTRY();
1562 if (pVBox->base == NULL)
1563 return;
1564
1565#ifdef PCIACCESS
1566 (void) pci_device_unmap_range(pVBox->pciInfo,
1567 pVBox->base,
1568 pScrn->videoRam * 1024);
1569#else
1570 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1571 (unsigned) pScrn->videoRam * 1024);
1572#endif
1573 pVBox->base = NULL;
1574 TRACE_EXIT();
1575}
1576
1577static Bool
1578VBOXSaveScreen(ScreenPtr pScreen, int mode)
1579{
1580 (void)pScreen; (void)mode;
1581 return TRUE;
1582}
1583
1584void
1585VBOXSaveMode(ScrnInfoPtr pScrn)
1586{
1587 VBOXPtr pVBox = VBOXGetRec(pScrn);
1588 vgaRegPtr vgaReg;
1589
1590 TRACE_ENTRY();
1591 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1592 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1593 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1594 &pVBox->cSavedHeight,
1595 &pVBox->cSavedPitch,
1596 &pVBox->cSavedBPP,
1597 &pVBox->fSavedFlags);
1598}
1599
1600void
1601VBOXRestoreMode(ScrnInfoPtr pScrn)
1602{
1603 VBOXPtr pVBox = VBOXGetRec(pScrn);
1604 vgaRegPtr vgaReg;
1605#ifdef VBOX_DRI
1606 drmModeResPtr pRes;
1607#endif
1608
1609 TRACE_ENTRY();
1610#ifdef VBOX_DRI
1611 /* Do not try to re-set the VGA state if a mode-setting driver is loaded. */
1612 if ( pVBox->drmFD >= 0
1613 && LoaderSymbol("drmModeGetResources") != NULL
1614 && (pRes = drmModeGetResources(pVBox->drmFD)) != NULL)
1615 {
1616 drmModeFreeResources(pRes);
1617 return;
1618 }
1619#endif
1620 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1621 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1622 if (pVBox->fSavedVBEMode)
1623 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1624 pVBox->cSavedPitch, pVBox->cSavedBPP,
1625 pVBox->fSavedFlags, 0, 0);
1626 else
1627 VBoxVideoDisableVBE();
1628}
1629
1630static void
1631VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
1632 int flags)
1633{
1634 (void)pScrn; (void)mode; (void) flags;
1635}
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