VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 54008

Last change on this file since 54008 was 53966, checked in by vboxsync, 10 years ago

Devices/Graphics, Main: optionally send cursor integration toggle and guest cursor position information through the graphics device. X11/Linux Additions support.
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File size: 45.3 KB
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1/* $Id: vboxvideo.c 53966 2015-01-26 20:38:30Z 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#ifdef XORG_7X
58# include <stdlib.h>
59# include <string.h>
60#endif
61
62#include "xf86.h"
63#include "xf86_OSproc.h"
64#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
65# include "xf86Resources.h"
66#endif
67
68/* This was accepted upstream in X.Org Server 1.16 which bumped the video
69 * driver ABI to 17. */
70#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 17
71# define SET_HAVE_VT_PROPERTY
72#endif
73
74#ifndef PCIACCESS
75/* Drivers for PCI hardware need this */
76# include "xf86PciInfo.h"
77/* Drivers that need to access the PCI config space directly need this */
78# include "xf86Pci.h"
79#endif
80
81#include "fb.h"
82
83#include "vboxvideo.h"
84#include <VBox/VBoxGuest.h>
85#include "version-generated.h"
86#include "product-generated.h"
87#include <xf86.h>
88#include <misc.h>
89
90/* All drivers initialising the SW cursor need this */
91#include "mipointer.h"
92
93/* Colormap handling */
94#include "micmap.h"
95#include "xf86cmap.h"
96
97/* DPMS */
98/* #define DPMS_SERVER
99#include "extensions/dpms.h" */
100
101/* VGA hardware functions for setting and restoring text mode */
102#include "vgaHW.h"
103
104#ifdef VBOXVIDEO_13
105/* X.org 1.3+ mode setting */
106# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
107# include "xf86Crtc.h"
108# include "xf86Modes.h"
109#endif
110
111/* For setting the root window property. */
112#include <X11/Xatom.h>
113#include "property.h"
114
115#ifdef VBOX_DRI
116# include "xf86drm.h"
117# include "xf86drmMode.h"
118#endif
119
120/* Mandatory functions */
121
122static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
123static void VBOXIdentify(int flags);
124#ifndef PCIACCESS
125static Bool VBOXProbe(DriverPtr drv, int flags);
126#else
127static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
128 struct pci_device *dev, intptr_t match_data);
129#endif
130static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
131static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
132static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
133static void VBOXLeaveVT(ScrnInfoPtr pScrn);
134static Bool VBOXCloseScreen(ScreenPtr pScreen);
135static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
136static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
137static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
138static void VBOXFreeScreen(ScrnInfoPtr pScrn);
139static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
140 int flags);
141
142/* locally used functions */
143static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
144static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
145static void VBOXSaveMode(ScrnInfoPtr pScrn);
146static void VBOXRestoreMode(ScrnInfoPtr pScrn);
147
148static inline void VBOXSetRec(ScrnInfoPtr pScrn)
149{
150 if (!pScrn->driverPrivate)
151 {
152 VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1);
153 pScrn->driverPrivate = pVBox;
154#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
155 pVBox->fdACPIDevices = -1;
156#endif
157 }
158}
159
160enum GenericTypes
161{
162 CHIP_VBOX_GENERIC
163};
164
165#ifdef PCIACCESS
166static const struct pci_id_match vbox_device_match[] = {
167 {
168 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
169 0, 0, 0
170 },
171
172 { 0, 0, 0 },
173};
174#endif
175
176/* Supported chipsets */
177static SymTabRec VBOXChipsets[] =
178{
179 {VBOX_DEVICEID, "vbox"},
180 {-1, NULL}
181};
182
183static PciChipsets VBOXPCIchipsets[] = {
184 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
185 { -1, -1, RES_UNDEFINED },
186};
187
188/*
189 * This contains the functions needed by the server after loading the
190 * driver module. It must be supplied, and gets added the driver list by
191 * the Module Setup function in the dynamic case. In the static case a
192 * reference to this is compiled in, and this requires that the name of
193 * this DriverRec be an upper-case version of the driver name.
194 */
195
196#ifdef XORG_7X
197_X_EXPORT
198#endif
199DriverRec VBOXVIDEO = {
200 VBOX_VERSION,
201 VBOX_DRIVER_NAME,
202 VBOXIdentify,
203#ifdef PCIACCESS
204 NULL,
205#else
206 VBOXProbe,
207#endif
208 VBOXAvailableOptions,
209 NULL,
210 0,
211#ifdef XORG_7X
212 NULL,
213#endif
214#ifdef PCIACCESS
215 vbox_device_match,
216 VBOXPciProbe
217#endif
218};
219
220/* No options for now */
221static const OptionInfoRec VBOXOptions[] = {
222 { -1, NULL, OPTV_NONE, {0}, FALSE }
223};
224
225#ifndef XORG_7X
226/*
227 * List of symbols from other modules that this module references. This
228 * list is used to tell the loader that it is OK for symbols here to be
229 * unresolved providing that it hasn't been told that they haven't been
230 * told that they are essential via a call to xf86LoaderReqSymbols() or
231 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
232 * unresolved symbols that are not required.
233 */
234static const char *fbSymbols[] = {
235 "fbPictureInit",
236 "fbScreenInit",
237 NULL
238};
239
240static const char *shadowfbSymbols[] = {
241 "ShadowFBInit2",
242 NULL
243};
244
245static const char *ramdacSymbols[] = {
246 "xf86DestroyCursorInfoRec",
247 "xf86InitCursor",
248 "xf86CreateCursorInfoRec",
249 NULL
250};
251
252static const char *vgahwSymbols[] = {
253 "vgaHWFreeHWRec",
254 "vgaHWGetHWRec",
255 "vgaHWGetIOBase",
256 "vgaHWGetIndex",
257 "vgaHWRestore",
258 "vgaHWSave",
259 "vgaHWSetStdFuncs",
260 NULL
261};
262#endif /* !XORG_7X */
263
264#ifdef VBOXVIDEO_13
265/* X.org 1.3+ mode-setting support ******************************************/
266
267/* For descriptions of these functions and structures, see
268 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
269 X.Org source tree. */
270
271static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
272{
273 VBOXPtr pVBox = VBOXGetRec(pScrn);
274 TRACE_LOG("width=%d, height=%d\n", cw, ch);
275 /* Save the size in case we need to re-set it later. */
276 pVBox->FBSize.cx = cw;
277 pVBox->FBSize.cy = ch;
278 /* Don't fiddle with the hardware if we are switched
279 * to a virtual terminal. */
280 if (!pScrn->vtSema) {
281 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
282 "We do not own the active VT, exiting.\n");
283 return TRUE;
284 }
285 return VBOXAdjustScreenPixmap(pScrn, cw, ch);
286}
287
288static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
289 vbox_config_resize
290};
291
292static void
293vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
294{
295 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
296 unsigned cDisplay = (uintptr_t)crtc->driver_private;
297 bool fEnabled = (mode != DPMSModeOff);
298
299 TRACE_LOG("cDisplay=%u, mode=%i\n", cDisplay, mode);
300 if (pVBox->pScreens[cDisplay].fCrtcEnabled == fEnabled)
301 return;
302 pVBox->pScreens[cDisplay].fCrtcEnabled = fEnabled;
303 /* Don't fiddle with the hardware if we are switched
304 * to a virtual terminal. */
305 if (!crtc->scrn->vtSema) {
306 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
307 "We do not own the active VT, exiting.\n");
308 return;
309 }
310 if ( pVBox->pScreens[cDisplay].aScreenLocation.cx
311 && pVBox->pScreens[cDisplay].aScreenLocation.cy)
312 VBOXSetMode(crtc->scrn, cDisplay,
313 pVBox->pScreens[cDisplay].aScreenLocation.cx,
314 pVBox->pScreens[cDisplay].aScreenLocation.cy,
315 pVBox->pScreens[cDisplay].aScreenLocation.x,
316 pVBox->pScreens[cDisplay].aScreenLocation.y);
317}
318
319static Bool
320vbox_crtc_lock (xf86CrtcPtr crtc)
321{ (void) crtc; return FALSE; }
322
323
324/* We use this function to check whether the X server owns the active virtual
325 * terminal before attempting a mode switch, since the RandR extension isn't
326 * very dilligent here, which can mean crashes if we are unlucky. This is
327 * not the way it the function is intended - it is meant for reporting modes
328 * which the hardware can't handle. I hope that this won't confuse any clients
329 * connecting to us. */
330static Bool
331vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
332 DisplayModePtr adjusted_mode)
333{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
334
335static void
336vbox_crtc_stub (xf86CrtcPtr crtc)
337{ (void) crtc; }
338
339static void
340vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
341 DisplayModePtr adjusted_mode, int x, int y)
342{
343 (void) mode;
344 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
345 unsigned cDisplay = (uintptr_t)crtc->driver_private;
346
347 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
348 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
349 pVBox->pScreens[cDisplay].fCrtcEnabled = true;
350 pVBox->pScreens[cDisplay].fOutputEnabled = true;
351 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
352 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
353 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
354 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
355 /* Don't fiddle with the hardware if we are switched
356 * to a virtual terminal. */
357 if (!crtc->scrn->vtSema)
358 {
359 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
360 "We do not own the active VT, exiting.\n");
361 return;
362 }
363 VBOXSetMode(crtc->scrn, cDisplay, adjusted_mode->HDisplay,
364 adjusted_mode->VDisplay, x, y);
365}
366
367static void
368vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
369 CARD16 *green, CARD16 *blue, int size)
370{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
371
372static void *
373vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
374{ (void) crtc; (void) width; (void) height; return NULL; }
375
376static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
377 .dpms = vbox_crtc_dpms,
378 .save = NULL, /* These two are never called by the server. */
379 .restore = NULL,
380 .lock = vbox_crtc_lock,
381 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
382 .mode_fixup = vbox_crtc_mode_fixup,
383 .prepare = vbox_crtc_stub,
384 .mode_set = vbox_crtc_mode_set,
385 .commit = vbox_crtc_stub,
386 .gamma_set = vbox_crtc_gamma_set,
387 .shadow_allocate = vbox_crtc_shadow_allocate,
388 .shadow_create = NULL, /* These two should not be invoked if allocate
389 returns NULL. */
390 .shadow_destroy = NULL,
391 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
392 .set_cursor_position = NULL,
393 .show_cursor = NULL,
394 .hide_cursor = NULL,
395 .load_cursor_argb = NULL,
396 .destroy = vbox_crtc_stub
397};
398
399static void
400vbox_output_stub (xf86OutputPtr output)
401{ (void) output; }
402
403static void
404vbox_output_dpms (xf86OutputPtr output, int mode)
405{
406 VBOXPtr pVBox = VBOXGetRec(output->scrn);
407 unsigned cDisplay = (uintptr_t)output->driver_private;
408 bool fEnabled = (mode == DPMSModeOn);
409
410 TRACE_LOG("cDisplay=%u, mode=%i\n", cDisplay, mode);
411 if (pVBox->pScreens[cDisplay].fOutputEnabled == fEnabled)
412 return;
413 pVBox->pScreens[cDisplay].fOutputEnabled = fEnabled;
414 /* Don't fiddle with the hardware if we are switched
415 * to a virtual terminal. */
416 if (!output->scrn->vtSema) {
417 xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
418 "We do not own the active VT, exiting.\n");
419 return;
420 }
421 if ( pVBox->pScreens[cDisplay].aScreenLocation.cx
422 && pVBox->pScreens[cDisplay].aScreenLocation.cy)
423 VBOXSetMode(output->scrn, cDisplay,
424 pVBox->pScreens[cDisplay].aScreenLocation.cx,
425 pVBox->pScreens[cDisplay].aScreenLocation.cy,
426 pVBox->pScreens[cDisplay].aScreenLocation.x,
427 pVBox->pScreens[cDisplay].aScreenLocation.y);
428}
429
430static int
431vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
432{
433 return MODE_OK;
434}
435
436static Bool
437vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
438 DisplayModePtr adjusted_mode)
439{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
440
441static void
442vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
443 DisplayModePtr adjusted_mode)
444{ (void) output; (void) mode; (void) adjusted_mode; }
445
446/* A virtual monitor is always connected. */
447static xf86OutputStatus
448vbox_output_detect (xf86OutputPtr output)
449{
450 ScrnInfoPtr pScrn = output->scrn;
451 VBOXPtr pVBox = VBOXGetRec(pScrn);
452 uint32_t iScreen = (uintptr_t)output->driver_private;
453 return pVBox->pScreens[iScreen].afConnected
454 ? XF86OutputStatusConnected : XF86OutputStatusDisconnected;
455}
456
457static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y,
458 Bool isPreferred, Bool fDifferentRefresh, Bool isUserDef)
459{
460 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
461 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
462 int cRefresh = fDifferentRefresh ? 70 : 60;
463
464 pMode->status = MODE_OK;
465 /* We don't ask the host whether it likes user defined modes,
466 * as we assume that the user really wanted that mode. */
467 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
468 if (isPreferred)
469 pMode->type |= M_T_PREFERRED;
470 /* Older versions of VBox only support screen widths which are a multiple
471 * of 8 */
472 if (pVBox->fAnyX)
473 pMode->HDisplay = x;
474 else
475 pMode->HDisplay = x & ~7;
476 pMode->HSyncStart = pMode->HDisplay + 2;
477 pMode->HSyncEnd = pMode->HDisplay + 4;
478 pMode->HTotal = pMode->HDisplay + 6;
479 pMode->VDisplay = y;
480 pMode->VSyncStart = pMode->VDisplay + 2;
481 pMode->VSyncEnd = pMode->VDisplay + 4;
482 pMode->VTotal = pMode->VDisplay + 6;
483 pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */
484 if (NULL == pszName) {
485 xf86SetModeDefaultName(pMode);
486 } else {
487 pMode->name = xnfstrdup(pszName);
488 }
489 *pModes = xf86ModesAdd(*pModes, pMode);
490 return pMode;
491}
492
493static DisplayModePtr
494vbox_output_get_modes (xf86OutputPtr output)
495{
496 unsigned i, cIndex = 0;
497 DisplayModePtr pModes = NULL, pMode;
498 ScrnInfoPtr pScrn = output->scrn;
499 VBOXPtr pVBox = VBOXGetRec(pScrn);
500
501 TRACE_ENTRY();
502 uint32_t x, y, iScreen;
503 iScreen = (uintptr_t)output->driver_private;
504 VBoxUpdateSizeHints(pScrn);
505 pMode = vbox_output_add_mode(pVBox, &pModes, NULL, pVBox->pScreens[iScreen].aPreferredSize.cx,
506 pVBox->pScreens[iScreen].aPreferredSize.cy, TRUE, pVBox->fUseHardwareCursor, FALSE);
507 VBOXEDIDSet(output, pMode);
508 /* Add standard modes supported by the host */
509 for ( ; ; )
510 {
511 cIndex = vboxNextStandardMode(pScrn, cIndex, &x, &y);
512 if (cIndex == 0)
513 break;
514 vbox_output_add_mode(pVBox, &pModes, NULL, x, y, FALSE, FALSE, FALSE);
515 }
516
517 /* Also report any modes the user may have requested in the xorg.conf
518 * configuration file. */
519 for (i = 0; pScrn->display->modes[i] != NULL; i++)
520 {
521 if (2 == sscanf(pScrn->display->modes[i], "%ux%u", &x, &y))
522 vbox_output_add_mode(pVBox, &pModes, pScrn->display->modes[i], x, y, FALSE, FALSE, TRUE);
523 }
524 TRACE_EXIT();
525 return pModes;
526}
527
528static const xf86OutputFuncsRec VBOXOutputFuncs = {
529 .create_resources = vbox_output_stub,
530 .dpms = vbox_output_dpms,
531 .save = NULL, /* These two are never called by the server. */
532 .restore = NULL,
533 .mode_valid = vbox_output_mode_valid,
534 .mode_fixup = vbox_output_mode_fixup,
535 .prepare = vbox_output_stub,
536 .commit = vbox_output_stub,
537 .mode_set = vbox_output_mode_set,
538 .detect = vbox_output_detect,
539 .get_modes = vbox_output_get_modes,
540#ifdef RANDR_12_INTERFACE
541 .set_property = NULL,
542#endif
543 .destroy = vbox_output_stub
544};
545#endif /* VBOXVIDEO_13 */
546
547/* Module loader interface */
548static MODULESETUPPROTO(vboxSetup);
549
550static XF86ModuleVersionInfo vboxVersionRec =
551{
552 VBOX_DRIVER_NAME,
553 VBOX_VENDOR,
554 MODINFOSTRING1,
555 MODINFOSTRING2,
556#ifdef XORG_7X
557 XORG_VERSION_CURRENT,
558#else
559 XF86_VERSION_CURRENT,
560#endif
561 1, /* Module major version. Xorg-specific */
562 0, /* Module minor version. Xorg-specific */
563 1, /* Module patchlevel. Xorg-specific */
564 ABI_CLASS_VIDEODRV, /* This is a video driver */
565 ABI_VIDEODRV_VERSION,
566 MOD_CLASS_VIDEODRV,
567 {0, 0, 0, 0}
568};
569
570/*
571 * This data is accessed by the loader. The name must be the module name
572 * followed by "ModuleData".
573 */
574#ifdef XORG_7X
575_X_EXPORT
576#endif
577XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
578
579static pointer
580vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
581{
582 static Bool Initialised = FALSE;
583
584 if (!Initialised)
585 {
586 Initialised = TRUE;
587#ifdef PCIACCESS
588 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
589#else
590 xf86AddDriver(&VBOXVIDEO, Module, 0);
591#endif
592#ifndef XORG_7X
593 LoaderRefSymLists(fbSymbols,
594 shadowfbSymbols,
595 ramdacSymbols,
596 vgahwSymbols,
597 NULL);
598#endif
599 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
600 (void *)&VBOXVIDEO);
601 return (pointer)TRUE;
602 }
603
604 if (ErrorMajor)
605 *ErrorMajor = LDR_ONCEONLY;
606 return (NULL);
607}
608
609
610static const OptionInfoRec *
611VBOXAvailableOptions(int chipid, int busid)
612{
613 return (VBOXOptions);
614}
615
616static void
617VBOXIdentify(int flags)
618{
619 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
620}
621
622#ifndef XF86_SCRN_INTERFACE
623# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
624# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
625# define SCRNINDEXAPI(pfn) pfn ## Index
626static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
627 char **argv)
628{ return VBOXScreenInit(pScreen, argc, argv); }
629
630static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
631{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
632
633static void VBOXLeaveVTIndex(int scrnIndex, int flags)
634{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
635
636static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
637{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
638
639static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
640{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
641
642static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
643{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
644
645static void VBOXFreeScreenIndex(int scrnIndex, int flags)
646{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
647# else
648# define SCRNINDEXAPI(pfn) pfn
649#endif /* XF86_SCRN_INTERFACE */
650
651static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
652{
653 pScrn->driverVersion = VBOX_VERSION;
654 pScrn->driverName = VBOX_DRIVER_NAME;
655 pScrn->name = VBOX_NAME;
656 pScrn->Probe = pfnProbe;
657 pScrn->PreInit = VBOXPreInit;
658 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
659 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
660 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
661 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
662 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
663 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
664}
665
666/*
667 * One of these functions is called once, at the start of the first server
668 * generation to do a minimal probe for supported hardware.
669 */
670
671#ifdef PCIACCESS
672static Bool
673VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
674 intptr_t match_data)
675{
676 ScrnInfoPtr pScrn;
677
678 TRACE_ENTRY();
679 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
680 NULL, NULL, NULL, NULL, NULL);
681 if (pScrn != NULL) {
682 VBOXPtr pVBox;
683
684 VBOXSetRec(pScrn);
685 pVBox = VBOXGetRec(pScrn);
686 if (!pVBox)
687 return FALSE;
688 setScreenFunctions(pScrn, NULL);
689 pVBox->pciInfo = dev;
690 }
691
692 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
693 return (pScrn != NULL);
694}
695#endif
696
697#ifndef PCIACCESS
698static Bool
699VBOXProbe(DriverPtr drv, int flags)
700{
701 Bool foundScreen = FALSE;
702 int numDevSections;
703 GDevPtr *devSections;
704
705 /*
706 * Find the config file Device sections that match this
707 * driver, and return if there are none.
708 */
709 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
710 &devSections)) <= 0)
711 return (FALSE);
712
713 /* PCI BUS */
714 if (xf86GetPciVideoInfo())
715 {
716 int numUsed;
717 int *usedChips;
718 int i;
719 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
720 VBOXChipsets, VBOXPCIchipsets,
721 devSections, numDevSections,
722 drv, &usedChips);
723 if (numUsed > 0)
724 {
725 if (flags & PROBE_DETECT)
726 foundScreen = TRUE;
727 else
728 for (i = 0; i < numUsed; i++)
729 {
730 ScrnInfoPtr pScrn = NULL;
731 /* Allocate a ScrnInfoRec */
732 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
733 VBOXPCIchipsets,NULL,
734 NULL,NULL,NULL,NULL)))
735 {
736 setScreenFunctions(pScrn, VBOXProbe);
737 foundScreen = TRUE;
738 }
739 }
740 free(usedChips);
741 }
742 }
743 free(devSections);
744 return (foundScreen);
745}
746#endif
747
748
749/*
750 * QUOTE from the XFree86 DESIGN document:
751 *
752 * The purpose of this function is to find out all the information
753 * required to determine if the configuration is usable, and to initialise
754 * those parts of the ScrnInfoRec that can be set once at the beginning of
755 * the first server generation.
756 *
757 * (...)
758 *
759 * This includes probing for video memory, clocks, ramdac, and all other
760 * HW info that is needed. It includes determining the depth/bpp/visual
761 * and related info. It includes validating and determining the set of
762 * video modes that will be used (and anything that is required to
763 * determine that).
764 *
765 * This information should be determined in the least intrusive way
766 * possible. The state of the HW must remain unchanged by this function.
767 * Although video memory (including MMIO) may be mapped within this
768 * function, it must be unmapped before returning.
769 *
770 * END QUOTE
771 */
772
773static Bool
774VBOXPreInit(ScrnInfoPtr pScrn, int flags)
775{
776 VBOXPtr pVBox;
777 Gamma gzeros = {0.0, 0.0, 0.0};
778 rgb rzeros = {0, 0, 0};
779 unsigned DispiId;
780
781 TRACE_ENTRY();
782 /* Are we really starting the server, or is this just a dummy run? */
783 if (flags & PROBE_DETECT)
784 return (FALSE);
785
786 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
787 "VirtualBox guest additions video driver version "
788 VBOX_VERSION_STRING "\n");
789
790 /* Get our private data from the ScrnInfoRec structure. */
791 VBOXSetRec(pScrn);
792 pVBox = VBOXGetRec(pScrn);
793 if (!pVBox)
794 return FALSE;
795
796 /* Entity information seems to mean bus information. */
797 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
798
799 /* The ramdac module is needed for the hardware cursor. */
800 if (!xf86LoadSubModule(pScrn, "ramdac"))
801 return FALSE;
802
803 /* The framebuffer module. */
804 if (!xf86LoadSubModule(pScrn, "fb"))
805 return (FALSE);
806
807 if (!xf86LoadSubModule(pScrn, "shadowfb"))
808 return FALSE;
809
810 if (!xf86LoadSubModule(pScrn, "vgahw"))
811 return FALSE;
812
813#ifdef VBOX_DRI_OLD
814 /* Load the dri module. */
815 if (!xf86LoadSubModule(pScrn, "dri"))
816 return FALSE;
817#else
818# ifdef VBOX_DRI
819 /* Load the dri module. */
820 if (!xf86LoadSubModule(pScrn, "dri2"))
821 return FALSE;
822# endif
823#endif
824
825#ifndef PCIACCESS
826 if (pVBox->pEnt->location.type != BUS_PCI)
827 return FALSE;
828
829 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
830 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
831 pVBox->pciInfo->device,
832 pVBox->pciInfo->func);
833#endif
834
835 /* Set up our ScrnInfoRec structure to describe our virtual
836 capabilities to X. */
837
838 pScrn->chipset = "vbox";
839 /** @note needed during colourmap initialisation */
840 pScrn->rgbBits = 8;
841
842 /* Let's create a nice, capable virtual monitor. */
843 pScrn->monitor = pScrn->confScreen->monitor;
844 pScrn->monitor->DDC = NULL;
845 pScrn->monitor->nHsync = 1;
846 pScrn->monitor->hsync[0].lo = 1;
847 pScrn->monitor->hsync[0].hi = 10000;
848 pScrn->monitor->nVrefresh = 1;
849 pScrn->monitor->vrefresh[0].lo = 1;
850 pScrn->monitor->vrefresh[0].hi = 100;
851
852 pScrn->progClock = TRUE;
853
854 /* Using the PCI information caused problems with non-powers-of-two
855 sized video RAM configurations */
856 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
857 pScrn->videoRam = pVBox->cbFBMax / 1024;
858
859 /* Check if the chip restricts horizontal resolution or not. */
860 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
861
862 /* Set up clock information that will support all modes we need. */
863 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
864 pScrn->clockRanges->minClock = 1000;
865 pScrn->clockRanges->maxClock = 1000000000;
866 pScrn->clockRanges->clockIndex = -1;
867 pScrn->clockRanges->ClockMulFactor = 1;
868 pScrn->clockRanges->ClockDivFactor = 1;
869
870 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
871 return FALSE;
872 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
873 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
874 {
875 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
876 "The VBox additions only support 16 and 32bpp graphics modes\n");
877 return FALSE;
878 }
879 xf86PrintDepthBpp(pScrn);
880 vboxAddModes(pScrn);
881
882#ifdef VBOXVIDEO_13
883 /* Work around a bug in the original X server modesetting code, which
884 * took the first valid values set to these two as maxima over the
885 * server lifetime. */
886 pScrn->virtualX = 32000;
887 pScrn->virtualY = 32000;
888#else
889 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
890 * already know what we like and what we don't. */
891
892 pScrn->currentMode = pScrn->modes;
893
894 /* Set the right virtual resolution. */
895 pScrn->virtualX = pScrn->currentMode->HDisplay;
896 pScrn->virtualY = pScrn->currentMode->VDisplay;
897
898#endif /* !VBOXVIDEO_13 */
899
900 /* Needed before we initialise DRI. */
901 pVBox->cbLine = vboxLineLength(pScrn, pScrn->virtualX);
902 pScrn->displayWidth = vboxDisplayPitch(pScrn, pVBox->cbLine);
903
904 xf86PrintModes(pScrn);
905
906 /* VGA hardware initialisation */
907 if (!vgaHWGetHWRec(pScrn))
908 return FALSE;
909 /* Must be called before any VGA registers are saved or restored */
910 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
911 vgaHWGetIOBase(VGAHWPTR(pScrn));
912
913 /* Colour weight - we always call this, since we are always in
914 truecolour. */
915 if (!xf86SetWeight(pScrn, rzeros, rzeros))
916 return (FALSE);
917
918 /* visual init */
919 if (!xf86SetDefaultVisual(pScrn, -1))
920 return (FALSE);
921
922 xf86SetGamma(pScrn, gzeros);
923
924 /* Set the DPI. Perhaps we should read this from the host? */
925 xf86SetDpi(pScrn, 96, 96);
926
927 if (pScrn->memPhysBase == 0) {
928#ifdef PCIACCESS
929 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
930#else
931 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
932#endif
933 pScrn->fbOffset = 0;
934 }
935
936 TRACE_EXIT();
937 return (TRUE);
938}
939
940/**
941 * Dummy function for setting the colour palette, which we actually never
942 * touch. However, the server still requires us to provide this.
943 */
944static void
945vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
946 LOCO *colors, VisualPtr pVisual)
947{
948 (void)pScrn; (void) numColors; (void) indices; (void) colors;
949 (void)pVisual;
950}
951
952#define HAS_VT_ATOM_NAME "XFree86_has_VT"
953#define VBOXVIDEO_DRIVER_ATOM_NAME "VBOXVIDEO_DRIVER_IN_USE"
954/* The memory storing the initial value of the XFree86_has_VT root window
955 * property. This has to remain available until server start-up, so we just
956 * use a global. */
957static CARD32 InitialPropertyValue = 1;
958
959/** Initialise a flag property on the root window to say whether the server VT
960 * is currently the active one as some clients need to know this. */
961static void initialiseProperties(ScrnInfoPtr pScrn)
962{
963 Atom atom = -1;
964 CARD32 *PropertyValue = &InitialPropertyValue;
965#ifdef SET_HAVE_VT_PROPERTY
966 atom = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1, TRUE);
967 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
968 32, 1, PropertyValue) != Success)
969 FatalError("vboxvideo: failed to register VT property\n");
970#endif /* SET_HAVE_VT_PROPERTY */
971 atom = MakeAtom(VBOXVIDEO_DRIVER_ATOM_NAME,
972 sizeof(VBOXVIDEO_DRIVER_ATOM_NAME) - 1, TRUE);
973 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
974 32, 1, PropertyValue) != Success)
975 FatalError("vboxvideo: failed to register driver in use property\n");
976}
977
978#ifdef SET_HAVE_VT_PROPERTY
979/** Update a flag property on the root window to say whether the server VT
980 * is currently the active one as some clients need to know this. */
981static void updateHasVTProperty(ScrnInfoPtr pScrn, Bool hasVT)
982{
983 Atom property_name;
984 int32_t value = hasVT ? 1 : 0;
985 int i;
986
987 property_name = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1,
988 FALSE);
989 if (property_name == BAD_RESOURCE)
990 FatalError("Failed to retrieve \"HAS_VT\" atom\n");
991 ChangeWindowProperty(ROOT_WINDOW(pScrn), property_name, XA_INTEGER, 32,
992 PropModeReplace, 1, &value, TRUE);
993}
994#endif /* SET_HAVE_VT_PROPERTY */
995
996/*
997 * QUOTE from the XFree86 DESIGN document:
998 *
999 * This is called at the start of each server generation.
1000 *
1001 * (...)
1002 *
1003 * Decide which operations need to be placed under resource access
1004 * control. (...) Map any video memory or other memory regions. (...)
1005 * Save the video card state. (...) Initialise the initial video
1006 * mode.
1007 *
1008 * End QUOTE.
1009 */
1010static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1011{
1012 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1013 VBOXPtr pVBox = VBOXGetRec(pScrn);
1014 VisualPtr visual;
1015 unsigned flags;
1016
1017 TRACE_ENTRY();
1018
1019 if (!VBOXMapVidMem(pScrn))
1020 return (FALSE);
1021
1022 /* save current video state */
1023 VBOXSaveMode(pScrn);
1024
1025 /* mi layer - reset the visual list (?)*/
1026 miClearVisualTypes();
1027 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1028 pScrn->rgbBits, TrueColor))
1029 return (FALSE);
1030 if (!miSetPixmapDepths())
1031 return (FALSE);
1032
1033#ifdef VBOX_DRI
1034 pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
1035# ifndef VBOX_DRI_OLD /* DRI2 */
1036 if (pVBox->drmFD >= 0)
1037 /* Tell the kernel driver, if present, that we are taking over. */
1038 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1039# endif
1040#endif
1041
1042 if (!fbScreenInit(pScreen, pVBox->base,
1043 pScrn->virtualX, pScrn->virtualY,
1044 pScrn->xDpi, pScrn->yDpi,
1045 pScrn->displayWidth, pScrn->bitsPerPixel))
1046 return (FALSE);
1047
1048 /* Fixup RGB ordering */
1049 /** @note the X server uses this even in true colour. */
1050 visual = pScreen->visuals + pScreen->numVisuals;
1051 while (--visual >= pScreen->visuals) {
1052 if ((visual->class | DynamicClass) == DirectColor) {
1053 visual->offsetRed = pScrn->offset.red;
1054 visual->offsetGreen = pScrn->offset.green;
1055 visual->offsetBlue = pScrn->offset.blue;
1056 visual->redMask = pScrn->mask.red;
1057 visual->greenMask = pScrn->mask.green;
1058 visual->blueMask = pScrn->mask.blue;
1059 }
1060 }
1061
1062 /* must be after RGB ordering fixed */
1063 fbPictureInit(pScreen, 0, 0);
1064
1065 xf86SetBlackWhitePixels(pScreen);
1066 pScrn->vtSema = TRUE;
1067
1068#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1069 VBoxSetUpLinuxACPI(pScreen);
1070#endif
1071
1072 vbox_open (pScrn, pScreen, pVBox);
1073 vboxEnableVbva(pScrn);
1074 VBoxInitialiseSizeHints(pScrn);
1075
1076#ifdef VBOXVIDEO_13
1077 /* Initialise CRTC and output configuration for use with randr1.2. */
1078 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1079
1080 {
1081 uint32_t i;
1082
1083 for (i = 0; i < pVBox->cScreens; ++i)
1084 {
1085 char szOutput[256];
1086
1087 /* Setup our virtual CRTCs. */
1088 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1089 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1090
1091 /* Set up our virtual outputs. */
1092 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1093 pVBox->pScreens[i].paOutputs
1094 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1095
1096 /* We are not interested in the monitor section in the
1097 * configuration file. */
1098 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1099 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1100 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1101 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1102 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1103 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1104 (void *)pVBox->pScreens[i].paOutputs);
1105 }
1106 }
1107
1108 /* Set a sane minimum and maximum mode size to match what the hardware
1109 * supports. */
1110 xf86CrtcSetSizeRange(pScrn, 64, 64, 16384, 16384);
1111
1112 /* Now create our initial CRTC/output configuration. */
1113 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1114 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1115 return (FALSE);
1116 }
1117
1118 /* Initialise randr 1.2 mode-setting functions and set first mode.
1119 * Note that the mode won't be usable until the server has resized the
1120 * framebuffer to something reasonable. */
1121 if (!xf86CrtcScreenInit(pScreen)) {
1122 return FALSE;
1123 }
1124
1125 if (!xf86SetDesiredModes(pScrn)) {
1126 return FALSE;
1127 }
1128#else /* !VBOXVIDEO_13 */
1129 VBoxSetUpRandR11(pScreen);
1130 /* set first video mode */
1131 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1132 pScrn->currentMode->VDisplay, pScrn->frameX0,
1133 pScrn->frameY0))
1134 return FALSE;
1135 /* Save the size in case we need to re-set it later. */
1136 pVBox->FBSize.cx = pScrn->currentMode->HDisplay;
1137 pVBox->FBSize.cy = pScrn->currentMode->VDisplay;
1138 pVBox->pScreens[0].aScreenLocation.cx = pScrn->currentMode->HDisplay;
1139 pVBox->pScreens[0].aScreenLocation.cy = pScrn->currentMode->VDisplay;
1140 pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
1141 pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
1142#endif /* !VBOXVIDEO_13 */
1143
1144 /* software cursor */
1145 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1146
1147 /* colourmap code */
1148 if (!miCreateDefColormap(pScreen))
1149 return (FALSE);
1150
1151 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1152 return (FALSE);
1153
1154 pVBox->CloseScreen = pScreen->CloseScreen;
1155 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1156#ifdef VBOXVIDEO_13
1157 pScreen->SaveScreen = xf86SaveScreen;
1158#else
1159 pScreen->SaveScreen = VBOXSaveScreen;
1160#endif
1161
1162#ifdef VBOXVIDEO_13
1163 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1164#else
1165 /* We probably do want to support power management - even if we just use
1166 a dummy function. */
1167 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1168#endif
1169
1170 /* Report any unused options (only for the first generation) */
1171 if (serverGeneration == 1)
1172 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1173
1174 if (vbox_cursor_init(pScreen) != TRUE)
1175 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1176 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1177
1178#ifdef VBOX_DRI_OLD
1179 if (pVBox->useDRI)
1180 pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
1181#endif
1182
1183 initialiseProperties(pScrn);
1184
1185 return (TRUE);
1186}
1187
1188static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1189{
1190 VBOXPtr pVBox = VBOXGetRec(pScrn);
1191
1192 TRACE_ENTRY();
1193 vboxClearVRAM(pScrn, 0, 0);
1194#ifdef VBOX_DRI_OLD
1195 if (pVBox->useDRI)
1196 DRIUnlock(xf86ScrnToScreen(pScrn));
1197#elif defined(VBOX_DRI) /* DRI2 */
1198 if (pVBox->drmFD >= 0)
1199 {
1200 /* Tell the kernel driver, if present, that we are taking over. */
1201 drmSetMaster(pVBox->drmFD);
1202 }
1203#endif
1204 vboxEnableVbva(pScrn);
1205 /* Re-assert this in case we had a change request while switched out. */
1206 if (pVBox->FBSize.cx && pVBox->FBSize.cy)
1207 VBOXAdjustScreenPixmap(pScrn, pVBox->FBSize.cx, pVBox->FBSize.cy);
1208#ifdef VBOXVIDEO_13
1209 if (!xf86SetDesiredModes(pScrn))
1210 return FALSE;
1211#else
1212 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1213 pScrn->currentMode->VDisplay, pScrn->frameX0,
1214 pScrn->frameY0))
1215 return FALSE;
1216#endif
1217#ifdef SET_HAVE_VT_PROPERTY
1218 updateHasVTProperty(pScrn, TRUE);
1219#endif
1220 return TRUE;
1221}
1222
1223static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1224{
1225 VBOXPtr pVBox = VBOXGetRec(pScrn);
1226
1227 TRACE_ENTRY();
1228 vboxDisableVbva(pScrn);
1229 vboxClearVRAM(pScrn, 0, 0);
1230#ifdef VBOX_DRI_OLD
1231 if (pVBox->useDRI)
1232 DRILock(xf86ScrnToScreen(pScrn), 0);
1233#elif defined(VBOX_DRI) /* DRI2 */
1234 if (pVBox->drmFD >= 0)
1235 drmDropMaster(pVBox->drmFD);
1236#endif
1237 VBOXRestoreMode(pScrn);
1238#ifdef SET_HAVE_VT_PROPERTY
1239 updateHasVTProperty(pScrn, FALSE);
1240#endif
1241 TRACE_EXIT();
1242}
1243
1244static Bool VBOXCloseScreen(ScreenPtr pScreen)
1245{
1246 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1247 VBOXPtr pVBox = VBOXGetRec(pScrn);
1248#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1249 BOOL fRestore = TRUE;
1250#endif
1251 if (pScrn->vtSema)
1252 {
1253 vboxDisableVbva(pScrn);
1254 vboxClearVRAM(pScrn, 0, 0);
1255 }
1256#ifdef VBOX_DRI
1257# ifndef VBOX_DRI_OLD /* DRI2 */
1258 if ( pVBox->drmFD >= 0
1259 /* Tell the kernel driver, if present, that we are going away. */
1260 && drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) >= 0)
1261 fRestore = false;
1262# endif
1263 if (pVBox->useDRI)
1264 VBOXDRICloseScreen(pScreen, pVBox);
1265 pVBox->useDRI = false;
1266#endif
1267#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1268 if (fRestore)
1269#endif
1270 if (pScrn->vtSema)
1271 VBOXRestoreMode(pScrn);
1272 if (pScrn->vtSema)
1273 VBOXUnmapVidMem(pScrn);
1274 pScrn->vtSema = FALSE;
1275
1276 /* Do additional bits which are separate for historical reasons */
1277 vbox_close(pScrn, pVBox);
1278
1279 pScreen->CloseScreen = pVBox->CloseScreen;
1280#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1281 VBoxCleanUpLinuxACPI(pScreen);
1282#endif
1283#ifndef XF86_SCRN_INTERFACE
1284 return pScreen->CloseScreen(pScreen->myNum, pScreen);
1285#else
1286 return pScreen->CloseScreen(pScreen);
1287#endif
1288}
1289
1290static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1291{
1292 VBOXPtr pVBox;
1293 Bool rc;
1294
1295 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1296#ifndef VBOXVIDEO_13
1297 pVBox = VBOXGetRec(pScrn);
1298 /* Save the size in case we need to re-set it later. */
1299 pVBox->FBSize.cx = pMode->HDisplay;
1300 pVBox->FBSize.cy = pMode->VDisplay;
1301 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
1302 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
1303 pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
1304 pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
1305#endif
1306 if (!pScrn->vtSema)
1307 {
1308 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1309 "We do not own the active VT, exiting.\n");
1310 return TRUE;
1311 }
1312#ifdef VBOXVIDEO_13
1313 rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
1314#else
1315 VBOXAdjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
1316 rc = VBOXSetMode(pScrn, 0, pMode->HDisplay, pMode->VDisplay,
1317 pScrn->frameX0, pScrn->frameY0);
1318#endif
1319 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1320 return rc;
1321}
1322
1323static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1324{
1325 VBOXPtr pVBox = VBOXGetRec(pScrn);
1326
1327 TRACE_ENTRY();
1328 pVBox->pScreens[0].aScreenLocation.x = x;
1329 pVBox->pScreens[0].aScreenLocation.y = y;
1330 /* Don't fiddle with the hardware if we are switched
1331 * to a virtual terminal. */
1332 if (!pScrn->vtSema)
1333 {
1334 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1335 "We do not own the active VT, exiting.\n");
1336 return;
1337 }
1338 VBOXSetMode(pScrn, 0, pVBox->pScreens[0].aScreenLocation.cx,
1339 pVBox->pScreens[0].aScreenLocation.cy, x, y);
1340 TRACE_EXIT();
1341}
1342
1343static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1344{
1345 /* Destroy the VGA hardware record */
1346 vgaHWFreeHWRec(pScrn);
1347 /* And our private record */
1348 free(pScrn->driverPrivate);
1349 pScrn->driverPrivate = NULL;
1350}
1351
1352static Bool
1353VBOXMapVidMem(ScrnInfoPtr pScrn)
1354{
1355 VBOXPtr pVBox = VBOXGetRec(pScrn);
1356 Bool rc = TRUE;
1357
1358 TRACE_ENTRY();
1359 if (!pVBox->base)
1360 {
1361#ifdef PCIACCESS
1362 (void) pci_device_map_range(pVBox->pciInfo,
1363 pScrn->memPhysBase,
1364 pScrn->videoRam * 1024,
1365 PCI_DEV_MAP_FLAG_WRITABLE,
1366 & pVBox->base);
1367#else
1368 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1369 VIDMEM_FRAMEBUFFER,
1370 pVBox->pciTag, pScrn->memPhysBase,
1371 (unsigned) pScrn->videoRam * 1024);
1372#endif
1373 if (!pVBox->base)
1374 rc = FALSE;
1375 }
1376 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1377 return rc;
1378}
1379
1380static void
1381VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1382{
1383 VBOXPtr pVBox = VBOXGetRec(pScrn);
1384
1385 TRACE_ENTRY();
1386 if (pVBox->base == NULL)
1387 return;
1388
1389#ifdef PCIACCESS
1390 (void) pci_device_unmap_range(pVBox->pciInfo,
1391 pVBox->base,
1392 pScrn->videoRam * 1024);
1393#else
1394 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1395 (unsigned) pScrn->videoRam * 1024);
1396#endif
1397 pVBox->base = NULL;
1398 TRACE_EXIT();
1399}
1400
1401static Bool
1402VBOXSaveScreen(ScreenPtr pScreen, int mode)
1403{
1404 (void)pScreen; (void)mode;
1405 return TRUE;
1406}
1407
1408void
1409VBOXSaveMode(ScrnInfoPtr pScrn)
1410{
1411 VBOXPtr pVBox = VBOXGetRec(pScrn);
1412 vgaRegPtr vgaReg;
1413
1414 TRACE_ENTRY();
1415 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1416 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1417 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1418 &pVBox->cSavedHeight,
1419 &pVBox->cSavedPitch,
1420 &pVBox->cSavedBPP,
1421 &pVBox->fSavedFlags);
1422}
1423
1424void
1425VBOXRestoreMode(ScrnInfoPtr pScrn)
1426{
1427 VBOXPtr pVBox = VBOXGetRec(pScrn);
1428 vgaRegPtr vgaReg;
1429#ifdef VBOX_DRI
1430 drmModeResPtr pRes;
1431#endif
1432
1433 TRACE_ENTRY();
1434#ifdef VBOX_DRI
1435 /* Do not try to re-set the VGA state if a mode-setting driver is loaded. */
1436 if ( pVBox->drmFD >= 0
1437 && LoaderSymbol("drmModeGetResources") != NULL
1438 && (pRes = drmModeGetResources(pVBox->drmFD)) != NULL)
1439 {
1440 drmModeFreeResources(pRes);
1441 return;
1442 }
1443#endif
1444 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1445 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1446 if (pVBox->fSavedVBEMode)
1447 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1448 pVBox->cSavedPitch, pVBox->cSavedBPP,
1449 pVBox->fSavedFlags, 0, 0);
1450 else
1451 VBoxVideoDisableVBE();
1452}
1453
1454static void
1455VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
1456 int flags)
1457{
1458 (void)pScrn; (void)mode; (void) flags;
1459}
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