VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 52235

Last change on this file since 52235 was 52224, checked in by vboxsync, 10 years ago

Additions/x11/vboxvideo and vboxmouse: clean up undefined symbols.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 45.5 KB
Line 
1/* $Id: vboxvideo.c 52224 2014-07-29 11:10:55Z 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#endif
118
119/* Mandatory functions */
120
121static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
122static void VBOXIdentify(int flags);
123#ifndef PCIACCESS
124static Bool VBOXProbe(DriverPtr drv, int flags);
125#else
126static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
127 struct pci_device *dev, intptr_t match_data);
128#endif
129static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
130static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
131static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
132static void VBOXLeaveVT(ScrnInfoPtr pScrn);
133static Bool VBOXCloseScreen(ScreenPtr pScreen);
134static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
135static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
136static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
137static void VBOXFreeScreen(ScrnInfoPtr pScrn);
138static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
139 int flags);
140
141/* locally used functions */
142static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
143static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
144static void VBOXSaveMode(ScrnInfoPtr pScrn);
145static void VBOXRestoreMode(ScrnInfoPtr pScrn);
146
147static inline void VBOXSetRec(ScrnInfoPtr pScrn)
148{
149 if (!pScrn->driverPrivate)
150 pScrn->driverPrivate = calloc(sizeof(VBOXRec), 1);
151}
152
153enum GenericTypes
154{
155 CHIP_VBOX_GENERIC
156};
157
158#ifdef PCIACCESS
159static const struct pci_id_match vbox_device_match[] = {
160 {
161 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
162 0, 0, 0
163 },
164
165 { 0, 0, 0 },
166};
167#endif
168
169/* Supported chipsets */
170static SymTabRec VBOXChipsets[] =
171{
172 {VBOX_DEVICEID, "vbox"},
173 {-1, NULL}
174};
175
176static PciChipsets VBOXPCIchipsets[] = {
177 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
178 { -1, -1, RES_UNDEFINED },
179};
180
181/*
182 * This contains the functions needed by the server after loading the
183 * driver module. It must be supplied, and gets added the driver list by
184 * the Module Setup function in the dynamic case. In the static case a
185 * reference to this is compiled in, and this requires that the name of
186 * this DriverRec be an upper-case version of the driver name.
187 */
188
189#ifdef XORG_7X
190_X_EXPORT
191#endif
192DriverRec VBOXVIDEO = {
193 VBOX_VERSION,
194 VBOX_DRIVER_NAME,
195 VBOXIdentify,
196#ifdef PCIACCESS
197 NULL,
198#else
199 VBOXProbe,
200#endif
201 VBOXAvailableOptions,
202 NULL,
203 0,
204#ifdef XORG_7X
205 NULL,
206#endif
207#ifdef PCIACCESS
208 vbox_device_match,
209 VBOXPciProbe
210#endif
211};
212
213/* No options for now */
214static const OptionInfoRec VBOXOptions[] = {
215 { -1, NULL, OPTV_NONE, {0}, FALSE }
216};
217
218#ifndef XORG_7X
219/*
220 * List of symbols from other modules that this module references. This
221 * list is used to tell the loader that it is OK for symbols here to be
222 * unresolved providing that it hasn't been told that they haven't been
223 * told that they are essential via a call to xf86LoaderReqSymbols() or
224 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
225 * unresolved symbols that are not required.
226 */
227static const char *fbSymbols[] = {
228 "fbPictureInit",
229 "fbScreenInit",
230 NULL
231};
232
233static const char *shadowfbSymbols[] = {
234 "ShadowFBInit2",
235 NULL
236};
237
238static const char *ramdacSymbols[] = {
239 "xf86DestroyCursorInfoRec",
240 "xf86InitCursor",
241 "xf86CreateCursorInfoRec",
242 NULL
243};
244
245static const char *vgahwSymbols[] = {
246 "vgaHWFreeHWRec",
247 "vgaHWGetHWRec",
248 "vgaHWGetIOBase",
249 "vgaHWGetIndex",
250 "vgaHWRestore",
251 "vgaHWSave",
252 "vgaHWSetStdFuncs",
253 NULL
254};
255#endif /* !XORG_7X */
256
257#ifdef VBOXVIDEO_13
258/* X.org 1.3+ mode-setting support ******************************************/
259
260/* For descriptions of these functions and structures, see
261 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
262 X.Org source tree. */
263
264static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
265{
266 VBOXPtr pVBox = VBOXGetRec(pScrn);
267 TRACE_LOG("width=%d, height=%d\n", cw, ch);
268 /* Save the size in case we need to re-set it later. */
269 pVBox->FBSize.cx = cw;
270 pVBox->FBSize.cy = ch;
271 /* Don't fiddle with the hardware if we are switched
272 * to a virtual terminal. */
273 if (!pScrn->vtSema) {
274 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
275 "We do not own the active VT, exiting.\n");
276 return TRUE;
277 }
278 return VBOXAdjustScreenPixmap(pScrn, cw, ch);
279}
280
281static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
282 vbox_config_resize
283};
284
285static void
286vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
287{
288 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
289 unsigned cDisplay = (uintptr_t)crtc->driver_private;
290 TRACE_LOG("cDisplay=%u, mode=%i\n", cDisplay, mode);
291 pVBox->pScreens[cDisplay].afDisabled = (mode != DPMSModeOn);
292 /* Don't fiddle with the hardware if we are switched
293 * to a virtual terminal. */
294 if (!crtc->scrn->vtSema) {
295 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
296 "We do not own the active VT, exiting.\n");
297 return;
298 }
299 if ( pVBox->pScreens[cDisplay].aScreenLocation.cx
300 && pVBox->pScreens[cDisplay].aScreenLocation.cy)
301 VBOXSetMode(crtc->scrn, cDisplay,
302 pVBox->pScreens[cDisplay].aScreenLocation.cx,
303 pVBox->pScreens[cDisplay].aScreenLocation.cy,
304 pVBox->pScreens[cDisplay].aScreenLocation.x,
305 pVBox->pScreens[cDisplay].aScreenLocation.y);
306}
307
308static Bool
309vbox_crtc_lock (xf86CrtcPtr crtc)
310{ (void) crtc; return FALSE; }
311
312
313/* We use this function to check whether the X server owns the active virtual
314 * terminal before attempting a mode switch, since the RandR extension isn't
315 * very dilligent here, which can mean crashes if we are unlucky. This is
316 * not the way it the function is intended - it is meant for reporting modes
317 * which the hardware can't handle. I hope that this won't confuse any clients
318 * connecting to us. */
319static Bool
320vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
321 DisplayModePtr adjusted_mode)
322{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
323
324static void
325vbox_crtc_stub (xf86CrtcPtr crtc)
326{ (void) crtc; }
327
328static void
329vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
330 DisplayModePtr adjusted_mode, int x, int y)
331{
332 (void) mode;
333 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
334 unsigned cDisplay = (uintptr_t)crtc->driver_private;
335
336 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
337 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
338 pVBox->pScreens[cDisplay].afDisabled = false;
339 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
340 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
341 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
342 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
343 /* Don't fiddle with the hardware if we are switched
344 * to a virtual terminal. */
345 if (!crtc->scrn->vtSema)
346 {
347 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
348 "We do not own the active VT, exiting.\n");
349 return;
350 }
351 VBOXSetMode(crtc->scrn, cDisplay, adjusted_mode->HDisplay,
352 adjusted_mode->VDisplay, x, y);
353}
354
355static void
356vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
357 CARD16 *green, CARD16 *blue, int size)
358{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
359
360static void *
361vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
362{ (void) crtc; (void) width; (void) height; return NULL; }
363
364static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
365 .dpms = vbox_crtc_dpms,
366 .save = NULL, /* These two are never called by the server. */
367 .restore = NULL,
368 .lock = vbox_crtc_lock,
369 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
370 .mode_fixup = vbox_crtc_mode_fixup,
371 .prepare = vbox_crtc_stub,
372 .mode_set = vbox_crtc_mode_set,
373 .commit = vbox_crtc_stub,
374 .gamma_set = vbox_crtc_gamma_set,
375 .shadow_allocate = vbox_crtc_shadow_allocate,
376 .shadow_create = NULL, /* These two should not be invoked if allocate
377 returns NULL. */
378 .shadow_destroy = NULL,
379 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
380 .set_cursor_position = NULL,
381 .show_cursor = NULL,
382 .hide_cursor = NULL,
383 .load_cursor_argb = NULL,
384 .destroy = vbox_crtc_stub
385};
386
387static void
388vbox_output_stub (xf86OutputPtr output)
389{ (void) output; }
390
391static void
392vbox_output_dpms (xf86OutputPtr output, int mode)
393{ (void) output; (void) mode; }
394
395static int
396vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
397{
398 return MODE_OK;
399}
400
401static Bool
402vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
403 DisplayModePtr adjusted_mode)
404{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
405
406static void
407vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
408 DisplayModePtr adjusted_mode)
409{ (void) output; (void) mode; (void) adjusted_mode; }
410
411/* A virtual monitor is always connected. */
412static xf86OutputStatus
413vbox_output_detect (xf86OutputPtr output)
414{
415 (void) output;
416 return XF86OutputStatusConnected;
417}
418
419static DisplayModePtr
420vbox_output_add_mode (VBOXPtr pVBox, DisplayModePtr *pModes,
421 const char *pszName, int x, int y,
422 Bool isPreferred, Bool isUserDef)
423{
424 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
425 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
426
427 pMode->status = MODE_OK;
428 /* We don't ask the host whether it likes user defined modes,
429 * as we assume that the user really wanted that mode. */
430 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
431 if (isPreferred)
432 pMode->type |= M_T_PREFERRED;
433 /* Older versions of VBox only support screen widths which are a multiple
434 * of 8 */
435 if (pVBox->fAnyX)
436 pMode->HDisplay = x;
437 else
438 pMode->HDisplay = x & ~7;
439 pMode->HSyncStart = pMode->HDisplay + 2;
440 pMode->HSyncEnd = pMode->HDisplay + 4;
441 pMode->HTotal = pMode->HDisplay + 6;
442 pMode->VDisplay = y;
443 pMode->VSyncStart = pMode->VDisplay + 2;
444 pMode->VSyncEnd = pMode->VDisplay + 4;
445 pMode->VTotal = pMode->VDisplay + 6;
446 pMode->Clock = pMode->HTotal * pMode->VTotal * 60 / 1000; /* kHz */
447 if (NULL == pszName) {
448 xf86SetModeDefaultName(pMode);
449 } else {
450 pMode->name = xnfstrdup(pszName);
451 }
452 *pModes = xf86ModesAdd(*pModes, pMode);
453 return pMode;
454}
455
456static DisplayModePtr
457vbox_output_get_modes (xf86OutputPtr output)
458{
459 unsigned i, cIndex = 0;
460 DisplayModePtr pModes = NULL, pMode;
461 ScrnInfoPtr pScrn = output->scrn;
462 VBOXPtr pVBox = VBOXGetRec(pScrn);
463
464 TRACE_ENTRY();
465 uint32_t x, y, iScreen;
466 iScreen = (uintptr_t)output->driver_private;
467 VBoxUpdateSizeHints(pScrn);
468 pMode = vbox_output_add_mode(pVBox, &pModes, NULL,
469 pVBox->pScreens[iScreen].aPreferredSize.cx,
470 pVBox->pScreens[iScreen].aPreferredSize.cy, TRUE,
471 FALSE);
472 VBOXEDIDSet(output, pMode);
473 /* Add standard modes supported by the host */
474 for ( ; ; )
475 {
476 cIndex = vboxNextStandardMode(pScrn, cIndex, &x, &y);
477 if (cIndex == 0)
478 break;
479 vbox_output_add_mode(pVBox, &pModes, NULL, x, y, FALSE, FALSE);
480 }
481
482 /* Also report any modes the user may have requested in the xorg.conf
483 * configuration file. */
484 for (i = 0; pScrn->display->modes[i] != NULL; i++)
485 {
486 if (2 == sscanf(pScrn->display->modes[i], "%ux%u", &x, &y))
487 vbox_output_add_mode(pVBox, &pModes, pScrn->display->modes[i], x, y,
488 FALSE, TRUE);
489 }
490 TRACE_EXIT();
491 return pModes;
492}
493
494#ifdef RANDR_12_INTERFACE
495static Atom
496vboxAtomVBoxMode(void)
497{
498 return MakeAtom("VBOX_MODE", sizeof("VBOX_MODE") - 1, TRUE);
499}
500
501static Atom
502vboxAtomEDID(void)
503{
504 return MakeAtom("EDID", sizeof("EDID") - 1, TRUE);
505}
506
507/** We use this for receiving information from clients for the purpose of
508 * dynamic resizing, and later possibly other things too.
509 */
510static Bool
511vbox_output_set_property(xf86OutputPtr output, Atom property,
512 RRPropertyValuePtr value)
513{
514 ScrnInfoPtr pScrn = output->scrn;
515 VBOXPtr pVBox = VBOXGetRec(pScrn);
516 TRACE_LOG("property=%d, value->type=%d, value->format=%d, value->size=%d\n",
517 (int)property, (int)value->type, (int)value->format, (int)value->size);
518 if (property == vboxAtomVBoxMode())
519 {
520 uint32_t cDisplay = (uintptr_t)output->driver_private;
521 int w, h;
522
523 if ( value->type != XA_INTEGER
524 || value->format != 32
525 || value->size != 1)
526 return FALSE;
527 w = (*(uint32_t *)value->data) >> 16;
528 h = (*(uint32_t *)value->data) & 0xffff;
529 TRACE_LOG("screen=%u, property value=%dx%d\n", cDisplay, w, h);
530 pVBox->pScreens[cDisplay].aPreferredSize.cx = w;
531 pVBox->pScreens[cDisplay].aPreferredSize.cy = h;
532 return TRUE;
533 }
534 if (property == vboxAtomEDID())
535 return TRUE;
536 return FALSE;
537}
538#endif
539
540static const xf86OutputFuncsRec VBOXOutputFuncs = {
541 .create_resources = vbox_output_stub,
542 .dpms = vbox_output_dpms,
543 .save = NULL, /* These two are never called by the server. */
544 .restore = NULL,
545 .mode_valid = vbox_output_mode_valid,
546 .mode_fixup = vbox_output_mode_fixup,
547 .prepare = vbox_output_stub,
548 .commit = vbox_output_stub,
549 .mode_set = vbox_output_mode_set,
550 .detect = vbox_output_detect,
551 .get_modes = vbox_output_get_modes,
552#ifdef RANDR_12_INTERFACE
553 .set_property = vbox_output_set_property,
554#endif
555 .destroy = vbox_output_stub
556};
557#endif /* VBOXVIDEO_13 */
558
559/* Module loader interface */
560static MODULESETUPPROTO(vboxSetup);
561
562static XF86ModuleVersionInfo vboxVersionRec =
563{
564 VBOX_DRIVER_NAME,
565 VBOX_VENDOR,
566 MODINFOSTRING1,
567 MODINFOSTRING2,
568#ifdef XORG_7X
569 XORG_VERSION_CURRENT,
570#else
571 XF86_VERSION_CURRENT,
572#endif
573 1, /* Module major version. Xorg-specific */
574 0, /* Module minor version. Xorg-specific */
575 1, /* Module patchlevel. Xorg-specific */
576 ABI_CLASS_VIDEODRV, /* This is a video driver */
577 ABI_VIDEODRV_VERSION,
578 MOD_CLASS_VIDEODRV,
579 {0, 0, 0, 0}
580};
581
582/*
583 * This data is accessed by the loader. The name must be the module name
584 * followed by "ModuleData".
585 */
586#ifdef XORG_7X
587_X_EXPORT
588#endif
589XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
590
591static pointer
592vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
593{
594 static Bool Initialised = FALSE;
595
596 if (!Initialised)
597 {
598 Initialised = TRUE;
599#ifdef PCIACCESS
600 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
601#else
602 xf86AddDriver(&VBOXVIDEO, Module, 0);
603#endif
604#ifndef XORG_7X
605 LoaderRefSymLists(fbSymbols,
606 shadowfbSymbols,
607 ramdacSymbols,
608 vgahwSymbols,
609 NULL);
610#endif
611 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
612 (void *)&VBOXVIDEO);
613 return (pointer)TRUE;
614 }
615
616 if (ErrorMajor)
617 *ErrorMajor = LDR_ONCEONLY;
618 return (NULL);
619}
620
621
622static const OptionInfoRec *
623VBOXAvailableOptions(int chipid, int busid)
624{
625 return (VBOXOptions);
626}
627
628static void
629VBOXIdentify(int flags)
630{
631 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
632}
633
634#ifndef XF86_SCRN_INTERFACE
635# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
636# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
637# define SCRNINDEXAPI(pfn) pfn ## Index
638static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
639 char **argv)
640{ return VBOXScreenInit(pScreen, argc, argv); }
641
642static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
643{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
644
645static void VBOXLeaveVTIndex(int scrnIndex, int flags)
646{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
647
648static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
649{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
650
651static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
652{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
653
654static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
655{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
656
657static void VBOXFreeScreenIndex(int scrnIndex, int flags)
658{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
659# else
660# define SCRNINDEXAPI(pfn) pfn
661#endif /* XF86_SCRN_INTERFACE */
662
663static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
664{
665 pScrn->driverVersion = VBOX_VERSION;
666 pScrn->driverName = VBOX_DRIVER_NAME;
667 pScrn->name = VBOX_NAME;
668 pScrn->Probe = pfnProbe;
669 pScrn->PreInit = VBOXPreInit;
670 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
671 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
672 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
673 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
674 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
675 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
676}
677
678/*
679 * One of these functions is called once, at the start of the first server
680 * generation to do a minimal probe for supported hardware.
681 */
682
683#ifdef PCIACCESS
684static Bool
685VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
686 intptr_t match_data)
687{
688 ScrnInfoPtr pScrn;
689
690 TRACE_ENTRY();
691 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
692 NULL, NULL, NULL, NULL, NULL);
693 if (pScrn != NULL) {
694 VBOXPtr pVBox;
695
696 VBOXSetRec(pScrn);
697 pVBox = VBOXGetRec(pScrn);
698 if (!pVBox)
699 return FALSE;
700 setScreenFunctions(pScrn, NULL);
701 pVBox->pciInfo = dev;
702 }
703
704 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
705 return (pScrn != NULL);
706}
707#endif
708
709#ifndef PCIACCESS
710static Bool
711VBOXProbe(DriverPtr drv, int flags)
712{
713 Bool foundScreen = FALSE;
714 int numDevSections;
715 GDevPtr *devSections;
716
717 /*
718 * Find the config file Device sections that match this
719 * driver, and return if there are none.
720 */
721 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
722 &devSections)) <= 0)
723 return (FALSE);
724
725 /* PCI BUS */
726 if (xf86GetPciVideoInfo())
727 {
728 int numUsed;
729 int *usedChips;
730 int i;
731 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
732 VBOXChipsets, VBOXPCIchipsets,
733 devSections, numDevSections,
734 drv, &usedChips);
735 if (numUsed > 0)
736 {
737 if (flags & PROBE_DETECT)
738 foundScreen = TRUE;
739 else
740 for (i = 0; i < numUsed; i++)
741 {
742 ScrnInfoPtr pScrn = NULL;
743 /* Allocate a ScrnInfoRec */
744 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
745 VBOXPCIchipsets,NULL,
746 NULL,NULL,NULL,NULL)))
747 {
748 setScreenFunctions(pScrn, VBOXProbe);
749 foundScreen = TRUE;
750 }
751 }
752 free(usedChips);
753 }
754 }
755 free(devSections);
756 return (foundScreen);
757}
758#endif
759
760
761/*
762 * QUOTE from the XFree86 DESIGN document:
763 *
764 * The purpose of this function is to find out all the information
765 * required to determine if the configuration is usable, and to initialise
766 * those parts of the ScrnInfoRec that can be set once at the beginning of
767 * the first server generation.
768 *
769 * (...)
770 *
771 * This includes probing for video memory, clocks, ramdac, and all other
772 * HW info that is needed. It includes determining the depth/bpp/visual
773 * and related info. It includes validating and determining the set of
774 * video modes that will be used (and anything that is required to
775 * determine that).
776 *
777 * This information should be determined in the least intrusive way
778 * possible. The state of the HW must remain unchanged by this function.
779 * Although video memory (including MMIO) may be mapped within this
780 * function, it must be unmapped before returning.
781 *
782 * END QUOTE
783 */
784
785static Bool
786VBOXPreInit(ScrnInfoPtr pScrn, int flags)
787{
788 VBOXPtr pVBox;
789 Gamma gzeros = {0.0, 0.0, 0.0};
790 rgb rzeros = {0, 0, 0};
791 unsigned DispiId;
792
793 TRACE_ENTRY();
794 /* Are we really starting the server, or is this just a dummy run? */
795 if (flags & PROBE_DETECT)
796 return (FALSE);
797
798 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
799 "VirtualBox guest additions video driver version "
800 VBOX_VERSION_STRING "\n");
801
802 /* Get our private data from the ScrnInfoRec structure. */
803 VBOXSetRec(pScrn);
804 pVBox = VBOXGetRec(pScrn);
805 if (!pVBox)
806 return FALSE;
807
808 /* Initialise the guest library */
809 vbox_init(pScrn->scrnIndex, pVBox);
810
811 /* Entity information seems to mean bus information. */
812 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
813
814 /* The ramdac module is needed for the hardware cursor. */
815 if (!xf86LoadSubModule(pScrn, "ramdac"))
816 return FALSE;
817
818 /* The framebuffer module. */
819 if (!xf86LoadSubModule(pScrn, "fb"))
820 return (FALSE);
821
822 if (!xf86LoadSubModule(pScrn, "shadowfb"))
823 return FALSE;
824
825 if (!xf86LoadSubModule(pScrn, "vgahw"))
826 return FALSE;
827
828#ifdef VBOX_DRI_OLD
829 /* Load the dri module. */
830 if (!xf86LoadSubModule(pScrn, "dri"))
831 return FALSE;
832#else
833# ifdef VBOX_DRI
834 /* Load the dri module. */
835 if (!xf86LoadSubModule(pScrn, "dri2"))
836 return FALSE;
837# endif
838#endif
839
840#ifndef PCIACCESS
841 if (pVBox->pEnt->location.type != BUS_PCI)
842 return FALSE;
843
844 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
845 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
846 pVBox->pciInfo->device,
847 pVBox->pciInfo->func);
848#endif
849
850 /* Set up our ScrnInfoRec structure to describe our virtual
851 capabilities to X. */
852
853 pScrn->chipset = "vbox";
854 /** @note needed during colourmap initialisation */
855 pScrn->rgbBits = 8;
856
857 /* Let's create a nice, capable virtual monitor. */
858 pScrn->monitor = pScrn->confScreen->monitor;
859 pScrn->monitor->DDC = NULL;
860 pScrn->monitor->nHsync = 1;
861 pScrn->monitor->hsync[0].lo = 1;
862 pScrn->monitor->hsync[0].hi = 10000;
863 pScrn->monitor->nVrefresh = 1;
864 pScrn->monitor->vrefresh[0].lo = 1;
865 pScrn->monitor->vrefresh[0].hi = 100;
866
867 pScrn->progClock = TRUE;
868
869 /* Using the PCI information caused problems with non-powers-of-two
870 sized video RAM configurations */
871 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
872 pScrn->videoRam = pVBox->cbFBMax / 1024;
873
874 /* Check if the chip restricts horizontal resolution or not. */
875 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
876
877 /* Set up clock information that will support all modes we need. */
878 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
879 pScrn->clockRanges->minClock = 1000;
880 pScrn->clockRanges->maxClock = 1000000000;
881 pScrn->clockRanges->clockIndex = -1;
882 pScrn->clockRanges->ClockMulFactor = 1;
883 pScrn->clockRanges->ClockDivFactor = 1;
884
885 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
886 return FALSE;
887 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
888 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
889 {
890 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
891 "The VBox additions only support 16 and 32bpp graphics modes\n");
892 return FALSE;
893 }
894 xf86PrintDepthBpp(pScrn);
895 vboxAddModes(pScrn);
896
897#ifdef VBOXVIDEO_13
898 /* Work around a bug in the original X server modesetting code, which
899 * took the first valid values set to these two as maxima over the
900 * server lifetime. */
901 pScrn->virtualX = 32000;
902 pScrn->virtualY = 32000;
903#else
904 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
905 * already know what we like and what we don't. */
906
907 pScrn->currentMode = pScrn->modes;
908
909 /* Set the right virtual resolution. */
910 pScrn->virtualX = pScrn->currentMode->HDisplay;
911 pScrn->virtualY = pScrn->currentMode->VDisplay;
912
913#endif /* !VBOXVIDEO_13 */
914
915 /* Needed before we initialise DRI. */
916 pVBox->cbLine = vboxLineLength(pScrn, pScrn->virtualX);
917 pScrn->displayWidth = vboxDisplayPitch(pScrn, pVBox->cbLine);
918
919 xf86PrintModes(pScrn);
920
921 /* VGA hardware initialisation */
922 if (!vgaHWGetHWRec(pScrn))
923 return FALSE;
924 /* Must be called before any VGA registers are saved or restored */
925 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
926 vgaHWGetIOBase(VGAHWPTR(pScrn));
927
928 /* Colour weight - we always call this, since we are always in
929 truecolour. */
930 if (!xf86SetWeight(pScrn, rzeros, rzeros))
931 return (FALSE);
932
933 /* visual init */
934 if (!xf86SetDefaultVisual(pScrn, -1))
935 return (FALSE);
936
937 xf86SetGamma(pScrn, gzeros);
938
939 /* Set the DPI. Perhaps we should read this from the host? */
940 xf86SetDpi(pScrn, 96, 96);
941
942 if (pScrn->memPhysBase == 0) {
943#ifdef PCIACCESS
944 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
945#else
946 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
947#endif
948 pScrn->fbOffset = 0;
949 }
950
951 TRACE_EXIT();
952 return (TRUE);
953}
954
955/**
956 * Dummy function for setting the colour palette, which we actually never
957 * touch. However, the server still requires us to provide this.
958 */
959static void
960vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
961 LOCO *colors, VisualPtr pVisual)
962{
963 (void)pScrn; (void) numColors; (void) indices; (void) colors;
964 (void)pVisual;
965}
966
967#define HAS_VT_ATOM_NAME "XFree86_has_VT"
968#define VBOXVIDEO_DRIVER_ATOM_NAME "VBOXVIDEO_DRIVER_IN_USE"
969/* The memory storing the initial value of the XFree86_has_VT root window
970 * property. This has to remain available until server start-up, so we just
971 * use a global. */
972static CARD32 InitialPropertyValue = 1;
973
974/** Initialise a flag property on the root window to say whether the server VT
975 * is currently the active one as some clients need to know this. */
976static void initialiseProperties(ScrnInfoPtr pScrn)
977{
978 Atom atom = -1;
979 CARD32 *PropertyValue = &InitialPropertyValue;
980#ifdef SET_HAVE_VT_PROPERTY
981 atom = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1, TRUE);
982 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
983 32, 1, PropertyValue) != Success)
984 FatalError("vboxvideo: failed to register VT property\n");
985#endif /* SET_HAVE_VT_PROPERTY */
986 atom = MakeAtom(VBOXVIDEO_DRIVER_ATOM_NAME,
987 sizeof(VBOXVIDEO_DRIVER_ATOM_NAME) - 1, TRUE);
988 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
989 32, 1, PropertyValue) != Success)
990 FatalError("vboxvideo: failed to register driver in use property\n");
991}
992
993#ifdef SET_HAVE_VT_PROPERTY
994/** Update a flag property on the root window to say whether the server VT
995 * is currently the active one as some clients need to know this. */
996static void updateHasVTProperty(ScrnInfoPtr pScrn, Bool hasVT)
997{
998 Atom property_name;
999 int32_t value = hasVT ? 1 : 0;
1000 int i;
1001
1002 property_name = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1,
1003 FALSE);
1004 if (property_name == BAD_RESOURCE)
1005 FatalError("Failed to retrieve \"HAS_VT\" atom\n");
1006 ChangeWindowProperty(ROOT_WINDOW(pScrn), property_name, XA_INTEGER, 32,
1007 PropModeReplace, 1, &value, TRUE);
1008}
1009#endif /* SET_HAVE_VT_PROPERTY */
1010
1011/*
1012 * QUOTE from the XFree86 DESIGN document:
1013 *
1014 * This is called at the start of each server generation.
1015 *
1016 * (...)
1017 *
1018 * Decide which operations need to be placed under resource access
1019 * control. (...) Map any video memory or other memory regions. (...)
1020 * Save the video card state. (...) Initialise the initial video
1021 * mode.
1022 *
1023 * End QUOTE.
1024 */
1025static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1026{
1027 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1028 VBOXPtr pVBox = VBOXGetRec(pScrn);
1029 VisualPtr visual;
1030 unsigned flags;
1031
1032 TRACE_ENTRY();
1033
1034 if (!VBOXMapVidMem(pScrn))
1035 return (FALSE);
1036
1037 /* save current video state */
1038 VBOXSaveMode(pScrn);
1039
1040 /* mi layer - reset the visual list (?)*/
1041 miClearVisualTypes();
1042 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1043 pScrn->rgbBits, TrueColor))
1044 return (FALSE);
1045 if (!miSetPixmapDepths())
1046 return (FALSE);
1047
1048#ifdef VBOX_DRI
1049 pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
1050# ifndef VBOX_DRI_OLD /* DRI2 */
1051 if (pVBox->drmFD >= 0)
1052 /* Tell the kernel driver, if present, that we are taking over. */
1053 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1054# endif
1055#endif
1056
1057 if (!fbScreenInit(pScreen, pVBox->base,
1058 pScrn->virtualX, pScrn->virtualY,
1059 pScrn->xDpi, pScrn->yDpi,
1060 pScrn->displayWidth, pScrn->bitsPerPixel))
1061 return (FALSE);
1062
1063 /* Fixup RGB ordering */
1064 /** @note the X server uses this even in true colour. */
1065 visual = pScreen->visuals + pScreen->numVisuals;
1066 while (--visual >= pScreen->visuals) {
1067 if ((visual->class | DynamicClass) == DirectColor) {
1068 visual->offsetRed = pScrn->offset.red;
1069 visual->offsetGreen = pScrn->offset.green;
1070 visual->offsetBlue = pScrn->offset.blue;
1071 visual->redMask = pScrn->mask.red;
1072 visual->greenMask = pScrn->mask.green;
1073 visual->blueMask = pScrn->mask.blue;
1074 }
1075 }
1076
1077 /* must be after RGB ordering fixed */
1078 fbPictureInit(pScreen, 0, 0);
1079
1080 xf86SetBlackWhitePixels(pScreen);
1081 pScrn->vtSema = TRUE;
1082
1083 vbox_open (pScrn, pScreen, pVBox);
1084 vboxEnableVbva(pScrn);
1085 VBoxInitialiseSizeHints(pScrn);
1086
1087#ifdef VBOXVIDEO_13
1088 /* Initialise CRTC and output configuration for use with randr1.2. */
1089 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1090
1091 {
1092 uint32_t i;
1093
1094 for (i = 0; i < pVBox->cScreens; ++i)
1095 {
1096 char szOutput[256];
1097
1098 /* Setup our virtual CRTCs. */
1099 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1100 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1101
1102 /* Set up our virtual outputs. */
1103 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1104 pVBox->pScreens[i].paOutputs
1105 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1106
1107 /* We are not interested in the monitor section in the
1108 * configuration file. */
1109 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1110 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1111 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1112 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1113 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1114 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1115 (void *)pVBox->pScreens[i].paOutputs);
1116 }
1117 }
1118
1119 /* Set a sane minimum and maximum mode size to match what the hardware
1120 * supports. */
1121 xf86CrtcSetSizeRange(pScrn, 64, 64, 16384, 16384);
1122
1123 /* Now create our initial CRTC/output configuration. */
1124 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1125 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1126 return (FALSE);
1127 }
1128
1129 /* Initialise randr 1.2 mode-setting functions and set first mode.
1130 * Note that the mode won't be usable until the server has resized the
1131 * framebuffer to something reasonable. */
1132 if (!xf86CrtcScreenInit(pScreen)) {
1133 return FALSE;
1134 }
1135
1136 /* Create our VBOX_MODE display properties. */
1137 {
1138 uint32_t i;
1139
1140 for (i = 0; i < pVBox->cScreens; ++i)
1141 {
1142 INT32 value = 0;
1143 RRChangeOutputProperty(pVBox->pScreens[i].paOutputs->randr_output,
1144 vboxAtomVBoxMode(), XA_INTEGER, 32,
1145 PropModeReplace, 1, &value, TRUE,
1146 FALSE);
1147
1148 }
1149 }
1150
1151 if (!xf86SetDesiredModes(pScrn)) {
1152 return FALSE;
1153 }
1154#else /* !VBOXVIDEO_13 */
1155 VBoxSetUpRandR11(pScreen);
1156 /* set first video mode */
1157 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1158 pScrn->currentMode->VDisplay, pScrn->frameX0,
1159 pScrn->frameY0))
1160 return FALSE;
1161 /* Save the size in case we need to re-set it later. */
1162 pVBox->FBSize.cx = pScrn->currentMode->HDisplay;
1163 pVBox->FBSize.cy = pScrn->currentMode->VDisplay;
1164 pVBox->pScreens[0].aScreenLocation.cx = pScrn->currentMode->HDisplay;
1165 pVBox->pScreens[0].aScreenLocation.cy = pScrn->currentMode->VDisplay;
1166 pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
1167 pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
1168#endif /* !VBOXVIDEO_13 */
1169
1170 /* software cursor */
1171 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1172
1173 /* colourmap code */
1174 if (!miCreateDefColormap(pScreen))
1175 return (FALSE);
1176
1177 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1178 return (FALSE);
1179
1180 pVBox->CloseScreen = pScreen->CloseScreen;
1181 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1182#ifdef VBOXVIDEO_13
1183 pScreen->SaveScreen = xf86SaveScreen;
1184#else
1185 pScreen->SaveScreen = VBOXSaveScreen;
1186#endif
1187
1188#ifdef VBOXVIDEO_13
1189 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1190#else
1191 /* We probably do want to support power management - even if we just use
1192 a dummy function. */
1193 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1194#endif
1195
1196 /* Report any unused options (only for the first generation) */
1197 if (serverGeneration == 1)
1198 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1199
1200 if (vbox_cursor_init(pScreen) != TRUE)
1201 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1202 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1203
1204#ifdef VBOX_DRI_OLD
1205 if (pVBox->useDRI)
1206 pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
1207#endif
1208
1209 initialiseProperties(pScrn);
1210
1211 return (TRUE);
1212}
1213
1214static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1215{
1216 VBOXPtr pVBox = VBOXGetRec(pScrn);
1217
1218 TRACE_ENTRY();
1219 vboxClearVRAM(pScrn, 0, 0);
1220#ifdef VBOX_DRI_OLD
1221 if (pVBox->useDRI)
1222 DRIUnlock(xf86ScrnToScreen(pScrn));
1223#elif defined(VBOX_DRI) /* DRI2 */
1224 if (pVBox->drmFD >= 0)
1225 {
1226 /* Tell the kernel driver, if present, that we are taking over. */
1227 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1228 drmSetMaster(pVBox->drmFD);
1229 }
1230#endif
1231 vboxEnableVbva(pScrn);
1232 /* Re-assert this in case we had a change request while switched out. */
1233 if (pVBox->FBSize.cx && pVBox->FBSize.cy)
1234 VBOXAdjustScreenPixmap(pScrn, pVBox->FBSize.cx, pVBox->FBSize.cy);
1235#ifdef VBOXVIDEO_13
1236 if (!xf86SetDesiredModes(pScrn))
1237 return FALSE;
1238#else
1239 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1240 pScrn->currentMode->VDisplay, pScrn->frameX0,
1241 pScrn->frameY0))
1242 return FALSE;
1243#endif
1244#ifdef SET_HAVE_VT_PROPERTY
1245 updateHasVTProperty(pScrn, TRUE);
1246#endif
1247 return TRUE;
1248}
1249
1250static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1251{
1252 VBOXPtr pVBox = VBOXGetRec(pScrn);
1253
1254 TRACE_ENTRY();
1255 vboxDisableVbva(pScrn);
1256 vboxClearVRAM(pScrn, 0, 0);
1257#ifdef VBOX_DRI_OLD
1258 if (pVBox->useDRI)
1259 DRILock(xf86ScrnToScreen(pScrn), 0);
1260#elif defined(VBOX_DRI) /* DRI2 */
1261 if (pVBox->drmFD >= 0)
1262 drmDropMaster(pVBox->drmFD);
1263 /* Tell the kernel driver, if present, that it can use the framebuffer
1264 * driver again. If not, or if that fails, restore the old mode ourselves.
1265 */
1266 if ( pVBox->drmFD < 0
1267 || drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) < 0)
1268#endif
1269 VBOXRestoreMode(pScrn);
1270#ifdef SET_HAVE_VT_PROPERTY
1271 updateHasVTProperty(pScrn, FALSE);
1272#endif
1273 TRACE_EXIT();
1274}
1275
1276static Bool VBOXCloseScreen(ScreenPtr pScreen)
1277{
1278 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1279 VBOXPtr pVBox = VBOXGetRec(pScrn);
1280#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1281 BOOL fRestore = TRUE;
1282#endif
1283 if (pScrn->vtSema)
1284 {
1285 vboxDisableVbva(pScrn);
1286 vboxClearVRAM(pScrn, 0, 0);
1287 }
1288#ifdef VBOX_DRI
1289# ifndef VBOX_DRI_OLD /* DRI2 */
1290 if ( pVBox->drmFD >= 0
1291 /* Tell the kernel driver, if present, that we are going away. */
1292 && drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) >= 0)
1293 fRestore = false;
1294# endif
1295 if (pVBox->useDRI)
1296 VBOXDRICloseScreen(pScreen, pVBox);
1297 pVBox->useDRI = false;
1298#endif
1299#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1300 if (fRestore)
1301#endif
1302 if (pScrn->vtSema)
1303 VBOXRestoreMode(pScrn);
1304 if (pScrn->vtSema)
1305 VBOXUnmapVidMem(pScrn);
1306 pScrn->vtSema = FALSE;
1307
1308 /* Do additional bits which are separate for historical reasons */
1309 vbox_close(pScrn, pVBox);
1310
1311 pScreen->CloseScreen = pVBox->CloseScreen;
1312#ifndef XF86_SCRN_INTERFACE
1313 return pScreen->CloseScreen(pScreen->myNum, pScreen);
1314#else
1315 return pScreen->CloseScreen(pScreen);
1316#endif
1317}
1318
1319static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1320{
1321 VBOXPtr pVBox;
1322 Bool rc;
1323
1324 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1325#ifndef VBOXVIDEO_13
1326 pVBox = VBOXGetRec(pScrn);
1327 /* Save the size in case we need to re-set it later. */
1328 pVBox->FBSize.cx = pMode->HDisplay;
1329 pVBox->FBSize.cy = pMode->VDisplay;
1330 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
1331 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
1332 pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
1333 pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
1334#endif
1335 if (!pScrn->vtSema)
1336 {
1337 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1338 "We do not own the active VT, exiting.\n");
1339 return TRUE;
1340 }
1341#ifdef VBOXVIDEO_13
1342 rc = xf86SetSingleMode(pScrn, pMode, 0);
1343#else
1344 VBOXAdjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
1345 rc = VBOXSetMode(pScrn, 0, pMode->HDisplay, pMode->VDisplay,
1346 pScrn->frameX0, pScrn->frameY0);
1347#endif
1348 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1349 return rc;
1350}
1351
1352static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1353{
1354 VBOXPtr pVBox = VBOXGetRec(pScrn);
1355
1356 TRACE_ENTRY();
1357 pVBox->pScreens[0].aScreenLocation.x = x;
1358 pVBox->pScreens[0].aScreenLocation.y = y;
1359 /* Don't fiddle with the hardware if we are switched
1360 * to a virtual terminal. */
1361 if (!pScrn->vtSema)
1362 {
1363 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1364 "We do not own the active VT, exiting.\n");
1365 return;
1366 }
1367 VBOXSetMode(pScrn, 0, pVBox->pScreens[0].aScreenLocation.cx,
1368 pVBox->pScreens[0].aScreenLocation.cy, x, y);
1369 TRACE_EXIT();
1370}
1371
1372static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1373{
1374 /* Destroy the VGA hardware record */
1375 vgaHWFreeHWRec(pScrn);
1376 /* And our private record */
1377 free(pScrn->driverPrivate);
1378 pScrn->driverPrivate = NULL;
1379}
1380
1381static Bool
1382VBOXMapVidMem(ScrnInfoPtr pScrn)
1383{
1384 VBOXPtr pVBox = VBOXGetRec(pScrn);
1385 Bool rc = TRUE;
1386
1387 TRACE_ENTRY();
1388 if (!pVBox->base)
1389 {
1390#ifdef PCIACCESS
1391 (void) pci_device_map_range(pVBox->pciInfo,
1392 pScrn->memPhysBase,
1393 pScrn->videoRam * 1024,
1394 PCI_DEV_MAP_FLAG_WRITABLE,
1395 & pVBox->base);
1396#else
1397 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1398 VIDMEM_FRAMEBUFFER,
1399 pVBox->pciTag, pScrn->memPhysBase,
1400 (unsigned) pScrn->videoRam * 1024);
1401#endif
1402 if (!pVBox->base)
1403 rc = FALSE;
1404 }
1405 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1406 return rc;
1407}
1408
1409static void
1410VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1411{
1412 VBOXPtr pVBox = VBOXGetRec(pScrn);
1413
1414 TRACE_ENTRY();
1415 if (pVBox->base == NULL)
1416 return;
1417
1418#ifdef PCIACCESS
1419 (void) pci_device_unmap_range(pVBox->pciInfo,
1420 pVBox->base,
1421 pScrn->videoRam * 1024);
1422#else
1423 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1424 (unsigned) pScrn->videoRam * 1024);
1425#endif
1426 pVBox->base = NULL;
1427 TRACE_EXIT();
1428}
1429
1430static Bool
1431VBOXSaveScreen(ScreenPtr pScreen, int mode)
1432{
1433 (void)pScreen; (void)mode;
1434 return TRUE;
1435}
1436
1437void
1438VBOXSaveMode(ScrnInfoPtr pScrn)
1439{
1440 VBOXPtr pVBox = VBOXGetRec(pScrn);
1441 vgaRegPtr vgaReg;
1442
1443 TRACE_ENTRY();
1444 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1445 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1446 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1447 &pVBox->cSavedHeight,
1448 &pVBox->cSavedPitch,
1449 &pVBox->cSavedBPP,
1450 &pVBox->fSavedFlags);
1451}
1452
1453void
1454VBOXRestoreMode(ScrnInfoPtr pScrn)
1455{
1456 VBOXPtr pVBox = VBOXGetRec(pScrn);
1457 vgaRegPtr vgaReg;
1458
1459 TRACE_ENTRY();
1460 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1461 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1462 if (pVBox->fSavedVBEMode)
1463 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1464 pVBox->cSavedPitch, pVBox->cSavedBPP,
1465 pVBox->fSavedFlags, 0, 0);
1466 else
1467 VBoxVideoDisableVBE();
1468}
1469
1470static void
1471VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
1472 int flags)
1473{
1474 (void)pScrn; (void)mode; (void) flags;
1475}
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