VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 52199

Last change on this file since 52199 was 52199, checked in by vboxsync, 10 years ago

Additions/x11/vboxvideo: remove hard-coded maximum number of screens.
  • 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 52199 2014-07-25 19:47:39Z 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 "xf86InitCursor",
240 "xf86CreateCursorInfoRec",
241 NULL
242};
243
244static const char *vgahwSymbols[] = {
245 "vgaHWFreeHWRec",
246 "vgaHWGetHWRec",
247 "vgaHWGetIOBase",
248 "vgaHWGetIndex",
249 "vgaHWRestore",
250 "vgaHWSave",
251 "vgaHWSetStdFuncs",
252 NULL
253};
254#endif /* !XORG_7X */
255
256#ifdef VBOXVIDEO_13
257/* X.org 1.3+ mode-setting support ******************************************/
258
259/* For descriptions of these functions and structures, see
260 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
261 X.Org source tree. */
262
263static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
264{
265 VBOXPtr pVBox = VBOXGetRec(pScrn);
266 TRACE_LOG("width=%d, height=%d\n", cw, ch);
267 /* Save the size in case we need to re-set it later. */
268 pVBox->FBSize.cx = cw;
269 pVBox->FBSize.cy = ch;
270 /* Don't fiddle with the hardware if we are switched
271 * to a virtual terminal. */
272 if (!pScrn->vtSema) {
273 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
274 "We do not own the active VT, exiting.\n");
275 return TRUE;
276 }
277 return VBOXAdjustScreenPixmap(pScrn, cw, ch);
278}
279
280static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
281 vbox_config_resize
282};
283
284static void
285vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
286{
287 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
288 unsigned cDisplay = (uintptr_t)crtc->driver_private;
289 TRACE_LOG("cDisplay=%u, mode=%i\n", cDisplay, mode);
290 pVBox->pScreens[cDisplay].afDisabled = (mode != DPMSModeOn);
291 /* Don't fiddle with the hardware if we are switched
292 * to a virtual terminal. */
293 if (!crtc->scrn->vtSema) {
294 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
295 "We do not own the active VT, exiting.\n");
296 return;
297 }
298 if ( pVBox->pScreens[cDisplay].aScreenLocation.cx
299 && pVBox->pScreens[cDisplay].aScreenLocation.cy)
300 VBOXSetMode(crtc->scrn, cDisplay,
301 pVBox->pScreens[cDisplay].aScreenLocation.cx,
302 pVBox->pScreens[cDisplay].aScreenLocation.cy,
303 pVBox->pScreens[cDisplay].aScreenLocation.x,
304 pVBox->pScreens[cDisplay].aScreenLocation.y);
305}
306
307static Bool
308vbox_crtc_lock (xf86CrtcPtr crtc)
309{ (void) crtc; return FALSE; }
310
311
312/* We use this function to check whether the X server owns the active virtual
313 * terminal before attempting a mode switch, since the RandR extension isn't
314 * very dilligent here, which can mean crashes if we are unlucky. This is
315 * not the way it the function is intended - it is meant for reporting modes
316 * which the hardware can't handle. I hope that this won't confuse any clients
317 * connecting to us. */
318static Bool
319vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
320 DisplayModePtr adjusted_mode)
321{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
322
323static void
324vbox_crtc_stub (xf86CrtcPtr crtc)
325{ (void) crtc; }
326
327static void
328vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
329 DisplayModePtr adjusted_mode, int x, int y)
330{
331 (void) mode;
332 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
333 unsigned cDisplay = (uintptr_t)crtc->driver_private;
334
335 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
336 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
337 pVBox->pScreens[cDisplay].afDisabled = false;
338 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
339 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
340 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
341 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
342 /* Don't fiddle with the hardware if we are switched
343 * to a virtual terminal. */
344 if (!crtc->scrn->vtSema)
345 {
346 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
347 "We do not own the active VT, exiting.\n");
348 return;
349 }
350 VBOXSetMode(crtc->scrn, cDisplay, adjusted_mode->HDisplay,
351 adjusted_mode->VDisplay, x, y);
352}
353
354static void
355vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
356 CARD16 *green, CARD16 *blue, int size)
357{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
358
359static void *
360vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
361{ (void) crtc; (void) width; (void) height; return NULL; }
362
363static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
364 .dpms = vbox_crtc_dpms,
365 .save = NULL, /* These two are never called by the server. */
366 .restore = NULL,
367 .lock = vbox_crtc_lock,
368 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
369 .mode_fixup = vbox_crtc_mode_fixup,
370 .prepare = vbox_crtc_stub,
371 .mode_set = vbox_crtc_mode_set,
372 .commit = vbox_crtc_stub,
373 .gamma_set = vbox_crtc_gamma_set,
374 .shadow_allocate = vbox_crtc_shadow_allocate,
375 .shadow_create = NULL, /* These two should not be invoked if allocate
376 returns NULL. */
377 .shadow_destroy = NULL,
378 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
379 .set_cursor_position = NULL,
380 .show_cursor = NULL,
381 .hide_cursor = NULL,
382 .load_cursor_argb = NULL,
383 .destroy = vbox_crtc_stub
384};
385
386static void
387vbox_output_stub (xf86OutputPtr output)
388{ (void) output; }
389
390static void
391vbox_output_dpms (xf86OutputPtr output, int mode)
392{ (void) output; (void) mode; }
393
394static int
395vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
396{
397 return MODE_OK;
398}
399
400static Bool
401vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
402 DisplayModePtr adjusted_mode)
403{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
404
405static void
406vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
407 DisplayModePtr adjusted_mode)
408{ (void) output; (void) mode; (void) adjusted_mode; }
409
410/* A virtual monitor is always connected. */
411static xf86OutputStatus
412vbox_output_detect (xf86OutputPtr output)
413{
414 (void) output;
415 return XF86OutputStatusConnected;
416}
417
418static DisplayModePtr
419vbox_output_add_mode (VBOXPtr pVBox, DisplayModePtr *pModes,
420 const char *pszName, int x, int y,
421 Bool isPreferred, Bool isUserDef)
422{
423 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
424 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
425
426 pMode->status = MODE_OK;
427 /* We don't ask the host whether it likes user defined modes,
428 * as we assume that the user really wanted that mode. */
429 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
430 if (isPreferred)
431 pMode->type |= M_T_PREFERRED;
432 /* Older versions of VBox only support screen widths which are a multiple
433 * of 8 */
434 if (pVBox->fAnyX)
435 pMode->HDisplay = x;
436 else
437 pMode->HDisplay = x & ~7;
438 pMode->HSyncStart = pMode->HDisplay + 2;
439 pMode->HSyncEnd = pMode->HDisplay + 4;
440 pMode->HTotal = pMode->HDisplay + 6;
441 pMode->VDisplay = y;
442 pMode->VSyncStart = pMode->VDisplay + 2;
443 pMode->VSyncEnd = pMode->VDisplay + 4;
444 pMode->VTotal = pMode->VDisplay + 6;
445 pMode->Clock = pMode->HTotal * pMode->VTotal * 60 / 1000; /* kHz */
446 if (NULL == pszName) {
447 xf86SetModeDefaultName(pMode);
448 } else {
449 pMode->name = xnfstrdup(pszName);
450 }
451 *pModes = xf86ModesAdd(*pModes, pMode);
452 return pMode;
453}
454
455static DisplayModePtr
456vbox_output_get_modes (xf86OutputPtr output)
457{
458 unsigned i, cIndex = 0;
459 DisplayModePtr pModes = NULL, pMode;
460 ScrnInfoPtr pScrn = output->scrn;
461 VBOXPtr pVBox = VBOXGetRec(pScrn);
462
463 TRACE_ENTRY();
464 uint32_t x, y, iScreen;
465 iScreen = (uintptr_t)output->driver_private;
466 VBoxUpdateSizeHints(pScrn);
467 pMode = vbox_output_add_mode(pVBox, &pModes, NULL,
468 pVBox->pScreens[iScreen].aPreferredSize.cx,
469 pVBox->pScreens[iScreen].aPreferredSize.cy, TRUE,
470 FALSE);
471 VBOXEDIDSet(output, pMode);
472 /* Add standard modes supported by the host */
473 for ( ; ; )
474 {
475 cIndex = vboxNextStandardMode(pScrn, cIndex, &x, &y);
476 if (cIndex == 0)
477 break;
478 vbox_output_add_mode(pVBox, &pModes, NULL, x, y, FALSE, FALSE);
479 }
480
481 /* Also report any modes the user may have requested in the xorg.conf
482 * configuration file. */
483 for (i = 0; pScrn->display->modes[i] != NULL; i++)
484 {
485 if (2 == sscanf(pScrn->display->modes[i], "%ux%u", &x, &y))
486 vbox_output_add_mode(pVBox, &pModes, pScrn->display->modes[i], x, y,
487 FALSE, TRUE);
488 }
489 TRACE_EXIT();
490 return pModes;
491}
492
493#ifdef RANDR_12_INTERFACE
494static Atom
495vboxAtomVBoxMode(void)
496{
497 return MakeAtom("VBOX_MODE", sizeof("VBOX_MODE") - 1, TRUE);
498}
499
500static Atom
501vboxAtomEDID(void)
502{
503 return MakeAtom("EDID", sizeof("EDID") - 1, TRUE);
504}
505
506/** We use this for receiving information from clients for the purpose of
507 * dynamic resizing, and later possibly other things too.
508 */
509static Bool
510vbox_output_set_property(xf86OutputPtr output, Atom property,
511 RRPropertyValuePtr value)
512{
513 ScrnInfoPtr pScrn = output->scrn;
514 VBOXPtr pVBox = VBOXGetRec(pScrn);
515 TRACE_LOG("property=%d, value->type=%d, value->format=%d, value->size=%d\n",
516 (int)property, (int)value->type, (int)value->format, (int)value->size);
517 if (property == vboxAtomVBoxMode())
518 {
519 uint32_t cDisplay = (uintptr_t)output->driver_private;
520 int w, h;
521
522 if ( value->type != XA_INTEGER
523 || value->format != 32
524 || value->size != 1)
525 return FALSE;
526 w = (*(uint32_t *)value->data) >> 16;
527 h = (*(uint32_t *)value->data) & 0xffff;
528 TRACE_LOG("screen=%u, property value=%dx%d\n", cDisplay, w, h);
529 pVBox->pScreens[cDisplay].aPreferredSize.cx = w;
530 pVBox->pScreens[cDisplay].aPreferredSize.cy = h;
531 return TRUE;
532 }
533 if (property == vboxAtomEDID())
534 return TRUE;
535 return FALSE;
536}
537#endif
538
539static const xf86OutputFuncsRec VBOXOutputFuncs = {
540 .create_resources = vbox_output_stub,
541 .dpms = vbox_output_dpms,
542 .save = NULL, /* These two are never called by the server. */
543 .restore = NULL,
544 .mode_valid = vbox_output_mode_valid,
545 .mode_fixup = vbox_output_mode_fixup,
546 .prepare = vbox_output_stub,
547 .commit = vbox_output_stub,
548 .mode_set = vbox_output_mode_set,
549 .detect = vbox_output_detect,
550 .get_modes = vbox_output_get_modes,
551#ifdef RANDR_12_INTERFACE
552 .set_property = vbox_output_set_property,
553#endif
554 .destroy = vbox_output_stub
555};
556#endif /* VBOXVIDEO_13 */
557
558/* Module loader interface */
559static MODULESETUPPROTO(vboxSetup);
560
561static XF86ModuleVersionInfo vboxVersionRec =
562{
563 VBOX_DRIVER_NAME,
564 VBOX_VENDOR,
565 MODINFOSTRING1,
566 MODINFOSTRING2,
567#ifdef XORG_7X
568 XORG_VERSION_CURRENT,
569#else
570 XF86_VERSION_CURRENT,
571#endif
572 1, /* Module major version. Xorg-specific */
573 0, /* Module minor version. Xorg-specific */
574 1, /* Module patchlevel. Xorg-specific */
575 ABI_CLASS_VIDEODRV, /* This is a video driver */
576 ABI_VIDEODRV_VERSION,
577 MOD_CLASS_VIDEODRV,
578 {0, 0, 0, 0}
579};
580
581/*
582 * This data is accessed by the loader. The name must be the module name
583 * followed by "ModuleData".
584 */
585#ifdef XORG_7X
586_X_EXPORT
587#endif
588XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
589
590static pointer
591vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
592{
593 static Bool Initialised = FALSE;
594
595 if (!Initialised)
596 {
597 Initialised = TRUE;
598#ifdef PCIACCESS
599 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
600#else
601 xf86AddDriver(&VBOXVIDEO, Module, 0);
602#endif
603#ifndef XORG_7X
604 LoaderRefSymLists(fbSymbols,
605 shadowfbSymbols,
606 ramdacSymbols,
607 vgahwSymbols,
608 NULL);
609#endif
610 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
611 (void *)&VBOXVIDEO);
612 return (pointer)TRUE;
613 }
614
615 if (ErrorMajor)
616 *ErrorMajor = LDR_ONCEONLY;
617 return (NULL);
618}
619
620
621static const OptionInfoRec *
622VBOXAvailableOptions(int chipid, int busid)
623{
624 return (VBOXOptions);
625}
626
627static void
628VBOXIdentify(int flags)
629{
630 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
631}
632
633#ifndef XF86_SCRN_INTERFACE
634# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
635# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
636# define SCRNINDEXAPI(pfn) pfn ## Index
637static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
638 char **argv)
639{ return VBOXScreenInit(pScreen, argc, argv); }
640
641static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
642{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
643
644static void VBOXLeaveVTIndex(int scrnIndex, int flags)
645{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
646
647static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
648{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
649
650static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
651{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
652
653static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
654{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
655
656static void VBOXFreeScreenIndex(int scrnIndex, int flags)
657{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
658# else
659# define SCRNINDEXAPI(pfn) pfn
660#endif /* XF86_SCRN_INTERFACE */
661
662static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
663{
664 pScrn->driverVersion = VBOX_VERSION;
665 pScrn->driverName = VBOX_DRIVER_NAME;
666 pScrn->name = VBOX_NAME;
667 pScrn->Probe = pfnProbe;
668 pScrn->PreInit = VBOXPreInit;
669 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
670 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
671 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
672 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
673 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
674 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
675}
676
677/*
678 * One of these functions is called once, at the start of the first server
679 * generation to do a minimal probe for supported hardware.
680 */
681
682#ifdef PCIACCESS
683static Bool
684VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
685 intptr_t match_data)
686{
687 ScrnInfoPtr pScrn;
688
689 TRACE_ENTRY();
690 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
691 NULL, NULL, NULL, NULL, NULL);
692 if (pScrn != NULL) {
693 VBOXPtr pVBox;
694
695 VBOXSetRec(pScrn);
696 pVBox = VBOXGetRec(pScrn);
697 if (!pVBox)
698 return FALSE;
699 setScreenFunctions(pScrn, NULL);
700 pVBox->pciInfo = dev;
701 }
702
703 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
704 return (pScrn != NULL);
705}
706#endif
707
708#ifndef PCIACCESS
709static Bool
710VBOXProbe(DriverPtr drv, int flags)
711{
712 Bool foundScreen = FALSE;
713 int numDevSections;
714 GDevPtr *devSections;
715
716 /*
717 * Find the config file Device sections that match this
718 * driver, and return if there are none.
719 */
720 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
721 &devSections)) <= 0)
722 return (FALSE);
723
724 /* PCI BUS */
725 if (xf86GetPciVideoInfo())
726 {
727 int numUsed;
728 int *usedChips;
729 int i;
730 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
731 VBOXChipsets, VBOXPCIchipsets,
732 devSections, numDevSections,
733 drv, &usedChips);
734 if (numUsed > 0)
735 {
736 if (flags & PROBE_DETECT)
737 foundScreen = TRUE;
738 else
739 for (i = 0; i < numUsed; i++)
740 {
741 ScrnInfoPtr pScrn = NULL;
742 /* Allocate a ScrnInfoRec */
743 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
744 VBOXPCIchipsets,NULL,
745 NULL,NULL,NULL,NULL)))
746 {
747 setScreenFunctions(pScrn, VBOXProbe);
748 foundScreen = TRUE;
749 }
750 }
751 free(usedChips);
752 }
753 }
754 free(devSections);
755 return (foundScreen);
756}
757#endif
758
759
760/*
761 * QUOTE from the XFree86 DESIGN document:
762 *
763 * The purpose of this function is to find out all the information
764 * required to determine if the configuration is usable, and to initialise
765 * those parts of the ScrnInfoRec that can be set once at the beginning of
766 * the first server generation.
767 *
768 * (...)
769 *
770 * This includes probing for video memory, clocks, ramdac, and all other
771 * HW info that is needed. It includes determining the depth/bpp/visual
772 * and related info. It includes validating and determining the set of
773 * video modes that will be used (and anything that is required to
774 * determine that).
775 *
776 * This information should be determined in the least intrusive way
777 * possible. The state of the HW must remain unchanged by this function.
778 * Although video memory (including MMIO) may be mapped within this
779 * function, it must be unmapped before returning.
780 *
781 * END QUOTE
782 */
783
784static Bool
785VBOXPreInit(ScrnInfoPtr pScrn, int flags)
786{
787 VBOXPtr pVBox;
788 Gamma gzeros = {0.0, 0.0, 0.0};
789 rgb rzeros = {0, 0, 0};
790 unsigned DispiId;
791
792 TRACE_ENTRY();
793 /* Are we really starting the server, or is this just a dummy run? */
794 if (flags & PROBE_DETECT)
795 return (FALSE);
796
797 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
798 "VirtualBox guest additions video driver version "
799 VBOX_VERSION_STRING "\n");
800
801 /* Get our private data from the ScrnInfoRec structure. */
802 VBOXSetRec(pScrn);
803 pVBox = VBOXGetRec(pScrn);
804 if (!pVBox)
805 return FALSE;
806
807 /* Initialise the guest library */
808 vbox_init(pScrn->scrnIndex, pVBox);
809
810 /* Entity information seems to mean bus information. */
811 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
812
813 /* The ramdac module is needed for the hardware cursor. */
814 if (!xf86LoadSubModule(pScrn, "ramdac"))
815 return FALSE;
816
817 /* The framebuffer module. */
818 if (!xf86LoadSubModule(pScrn, "fb"))
819 return (FALSE);
820
821 if (!xf86LoadSubModule(pScrn, "shadowfb"))
822 return FALSE;
823
824 if (!xf86LoadSubModule(pScrn, "vgahw"))
825 return FALSE;
826
827#ifdef VBOX_DRI_OLD
828 /* Load the dri module. */
829 if (!xf86LoadSubModule(pScrn, "dri"))
830 return FALSE;
831#else
832# ifdef VBOX_DRI
833 /* Load the dri module. */
834 if (!xf86LoadSubModule(pScrn, "dri2"))
835 return FALSE;
836# endif
837#endif
838
839#ifndef PCIACCESS
840 if (pVBox->pEnt->location.type != BUS_PCI)
841 return FALSE;
842
843 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
844 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
845 pVBox->pciInfo->device,
846 pVBox->pciInfo->func);
847#endif
848
849 /* Set up our ScrnInfoRec structure to describe our virtual
850 capabilities to X. */
851
852 pScrn->chipset = "vbox";
853 /** @note needed during colourmap initialisation */
854 pScrn->rgbBits = 8;
855
856 /* Let's create a nice, capable virtual monitor. */
857 pScrn->monitor = pScrn->confScreen->monitor;
858 pScrn->monitor->DDC = NULL;
859 pScrn->monitor->nHsync = 1;
860 pScrn->monitor->hsync[0].lo = 1;
861 pScrn->monitor->hsync[0].hi = 10000;
862 pScrn->monitor->nVrefresh = 1;
863 pScrn->monitor->vrefresh[0].lo = 1;
864 pScrn->monitor->vrefresh[0].hi = 100;
865
866 pScrn->progClock = TRUE;
867
868 /* Using the PCI information caused problems with non-powers-of-two
869 sized video RAM configurations */
870 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
871 pScrn->videoRam = pVBox->cbFBMax / 1024;
872
873 /* Check if the chip restricts horizontal resolution or not. */
874 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
875
876 /* Set up clock information that will support all modes we need. */
877 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
878 pScrn->clockRanges->minClock = 1000;
879 pScrn->clockRanges->maxClock = 1000000000;
880 pScrn->clockRanges->clockIndex = -1;
881 pScrn->clockRanges->ClockMulFactor = 1;
882 pScrn->clockRanges->ClockDivFactor = 1;
883
884 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
885 return FALSE;
886 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
887 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
888 {
889 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
890 "The VBox additions only support 16 and 32bpp graphics modes\n");
891 return FALSE;
892 }
893 xf86PrintDepthBpp(pScrn);
894 vboxAddModes(pScrn);
895
896#ifdef VBOXVIDEO_13
897 /* Work around a bug in the original X server modesetting code, which
898 * took the first valid values set to these two as maxima over the
899 * server lifetime. */
900 pScrn->virtualX = 32000;
901 pScrn->virtualY = 32000;
902#else
903 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
904 * already know what we like and what we don't. */
905
906 pScrn->currentMode = pScrn->modes;
907
908 /* Set the right virtual resolution. */
909 pScrn->virtualX = pScrn->currentMode->HDisplay;
910 pScrn->virtualY = pScrn->currentMode->VDisplay;
911
912#endif /* !VBOXVIDEO_13 */
913
914 /* Needed before we initialise DRI. */
915 pVBox->cbLine = vboxLineLength(pScrn, pScrn->virtualX);
916 pScrn->displayWidth = vboxDisplayPitch(pScrn, pVBox->cbLine);
917
918 xf86PrintModes(pScrn);
919
920 /* VGA hardware initialisation */
921 if (!vgaHWGetHWRec(pScrn))
922 return FALSE;
923 /* Must be called before any VGA registers are saved or restored */
924 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
925 vgaHWGetIOBase(VGAHWPTR(pScrn));
926
927 /* Colour weight - we always call this, since we are always in
928 truecolour. */
929 if (!xf86SetWeight(pScrn, rzeros, rzeros))
930 return (FALSE);
931
932 /* visual init */
933 if (!xf86SetDefaultVisual(pScrn, -1))
934 return (FALSE);
935
936 xf86SetGamma(pScrn, gzeros);
937
938 /* Set the DPI. Perhaps we should read this from the host? */
939 xf86SetDpi(pScrn, 96, 96);
940
941 if (pScrn->memPhysBase == 0) {
942#ifdef PCIACCESS
943 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
944#else
945 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
946#endif
947 pScrn->fbOffset = 0;
948 }
949
950 TRACE_EXIT();
951 return (TRUE);
952}
953
954/**
955 * Dummy function for setting the colour palette, which we actually never
956 * touch. However, the server still requires us to provide this.
957 */
958static void
959vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
960 LOCO *colors, VisualPtr pVisual)
961{
962 (void)pScrn; (void) numColors; (void) indices; (void) colors;
963 (void)pVisual;
964}
965
966#define HAS_VT_ATOM_NAME "XFree86_has_VT"
967#define VBOXVIDEO_DRIVER_ATOM_NAME "VBOXVIDEO_DRIVER_IN_USE"
968/* The memory storing the initial value of the XFree86_has_VT root window
969 * property. This has to remain available until server start-up, so we just
970 * use a global. */
971static CARD32 InitialPropertyValue = 1;
972
973/** Initialise a flag property on the root window to say whether the server VT
974 * is currently the active one as some clients need to know this. */
975static void initialiseProperties(ScrnInfoPtr pScrn)
976{
977 Atom atom = -1;
978 CARD32 *PropertyValue = &InitialPropertyValue;
979#ifdef SET_HAVE_VT_PROPERTY
980 atom = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1, TRUE);
981 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
982 32, 1, PropertyValue) != Success)
983 FatalError("vboxvideo: failed to register VT property\n");
984#endif /* SET_HAVE_VT_PROPERTY */
985 atom = MakeAtom(VBOXVIDEO_DRIVER_ATOM_NAME,
986 sizeof(VBOXVIDEO_DRIVER_ATOM_NAME) - 1, TRUE);
987 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
988 32, 1, PropertyValue) != Success)
989 FatalError("vboxvideo: failed to register driver in use property\n");
990}
991
992#ifdef SET_HAVE_VT_PROPERTY
993/** Update a flag property on the root window to say whether the server VT
994 * is currently the active one as some clients need to know this. */
995static void updateHasVTProperty(ScrnInfoPtr pScrn, Bool hasVT)
996{
997 Atom property_name;
998 int32_t value = hasVT ? 1 : 0;
999 int i;
1000
1001 property_name = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1,
1002 FALSE);
1003 if (property_name == BAD_RESOURCE)
1004 FatalError("Failed to retrieve \"HAS_VT\" atom\n");
1005 ChangeWindowProperty(ROOT_WINDOW(pScrn), property_name, XA_INTEGER, 32,
1006 PropModeReplace, 1, &value, TRUE);
1007}
1008#endif /* SET_HAVE_VT_PROPERTY */
1009
1010/*
1011 * QUOTE from the XFree86 DESIGN document:
1012 *
1013 * This is called at the start of each server generation.
1014 *
1015 * (...)
1016 *
1017 * Decide which operations need to be placed under resource access
1018 * control. (...) Map any video memory or other memory regions. (...)
1019 * Save the video card state. (...) Initialise the initial video
1020 * mode.
1021 *
1022 * End QUOTE.
1023 */
1024static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1025{
1026 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1027 VBOXPtr pVBox = VBOXGetRec(pScrn);
1028 VisualPtr visual;
1029 unsigned flags;
1030
1031 TRACE_ENTRY();
1032
1033 if (!VBOXMapVidMem(pScrn))
1034 return (FALSE);
1035
1036 /* save current video state */
1037 VBOXSaveMode(pScrn);
1038
1039 /* mi layer - reset the visual list (?)*/
1040 miClearVisualTypes();
1041 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1042 pScrn->rgbBits, TrueColor))
1043 return (FALSE);
1044 if (!miSetPixmapDepths())
1045 return (FALSE);
1046
1047#ifdef VBOX_DRI
1048 pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
1049# ifndef VBOX_DRI_OLD /* DRI2 */
1050 if (pVBox->drmFD >= 0)
1051 /* Tell the kernel driver, if present, that we are taking over. */
1052 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1053# endif
1054#endif
1055
1056 if (!fbScreenInit(pScreen, pVBox->base,
1057 pScrn->virtualX, pScrn->virtualY,
1058 pScrn->xDpi, pScrn->yDpi,
1059 pScrn->displayWidth, pScrn->bitsPerPixel))
1060 return (FALSE);
1061
1062 /* Fixup RGB ordering */
1063 /** @note the X server uses this even in true colour. */
1064 visual = pScreen->visuals + pScreen->numVisuals;
1065 while (--visual >= pScreen->visuals) {
1066 if ((visual->class | DynamicClass) == DirectColor) {
1067 visual->offsetRed = pScrn->offset.red;
1068 visual->offsetGreen = pScrn->offset.green;
1069 visual->offsetBlue = pScrn->offset.blue;
1070 visual->redMask = pScrn->mask.red;
1071 visual->greenMask = pScrn->mask.green;
1072 visual->blueMask = pScrn->mask.blue;
1073 }
1074 }
1075
1076 /* must be after RGB ordering fixed */
1077 fbPictureInit(pScreen, 0, 0);
1078
1079 xf86SetBlackWhitePixels(pScreen);
1080 pScrn->vtSema = TRUE;
1081
1082 vbox_open (pScrn, pScreen, pVBox);
1083 vboxEnableVbva(pScrn);
1084 VBoxInitialiseSizeHints(pScrn);
1085
1086#ifdef VBOXVIDEO_13
1087 /* Initialise CRTC and output configuration for use with randr1.2. */
1088 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1089
1090 {
1091 uint32_t i;
1092
1093 for (i = 0; i < pVBox->cScreens; ++i)
1094 {
1095 char szOutput[256];
1096
1097 /* Setup our virtual CRTCs. */
1098 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1099 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1100
1101 /* Set up our virtual outputs. */
1102 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1103 pVBox->pScreens[i].paOutputs
1104 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1105
1106 /* We are not interested in the monitor section in the
1107 * configuration file. */
1108 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1109 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1110 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1111 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1112 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1113 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1114 (void *)pVBox->pScreens[i].paOutputs);
1115 }
1116 }
1117
1118 /* Set a sane minimum and maximum mode size to match what the hardware
1119 * supports. */
1120 xf86CrtcSetSizeRange(pScrn, 64, 64, 16384, 16384);
1121
1122 /* Now create our initial CRTC/output configuration. */
1123 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1124 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1125 return (FALSE);
1126 }
1127
1128 /* Initialise randr 1.2 mode-setting functions and set first mode.
1129 * Note that the mode won't be usable until the server has resized the
1130 * framebuffer to something reasonable. */
1131 if (!xf86CrtcScreenInit(pScreen)) {
1132 return FALSE;
1133 }
1134
1135 /* Create our VBOX_MODE display properties. */
1136 {
1137 uint32_t i;
1138
1139 for (i = 0; i < pVBox->cScreens; ++i)
1140 {
1141 INT32 value = 0;
1142 RRChangeOutputProperty(pVBox->pScreens[i].paOutputs->randr_output,
1143 vboxAtomVBoxMode(), XA_INTEGER, 32,
1144 PropModeReplace, 1, &value, TRUE,
1145 FALSE);
1146
1147 }
1148 }
1149
1150 if (!xf86SetDesiredModes(pScrn)) {
1151 return FALSE;
1152 }
1153#else /* !VBOXVIDEO_13 */
1154 VBoxSetUpRandR11(pScreen);
1155 /* set first video mode */
1156 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1157 pScrn->currentMode->VDisplay, pScrn->frameX0,
1158 pScrn->frameY0))
1159 return FALSE;
1160 /* Save the size in case we need to re-set it later. */
1161 pVBox->FBSize.cx = pScrn->currentMode->HDisplay;
1162 pVBox->FBSize.cy = pScrn->currentMode->VDisplay;
1163 pVBox->pScreens[0].aScreenLocation.cx = pScrn->currentMode->HDisplay;
1164 pVBox->pScreens[0].aScreenLocation.cy = pScrn->currentMode->VDisplay;
1165 pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
1166 pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
1167#endif /* !VBOXVIDEO_13 */
1168
1169 /* software cursor */
1170 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1171
1172 /* colourmap code */
1173 if (!miCreateDefColormap(pScreen))
1174 return (FALSE);
1175
1176 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1177 return (FALSE);
1178
1179 pVBox->CloseScreen = pScreen->CloseScreen;
1180 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1181#ifdef VBOXVIDEO_13
1182 pScreen->SaveScreen = xf86SaveScreen;
1183#else
1184 pScreen->SaveScreen = VBOXSaveScreen;
1185#endif
1186
1187#ifdef VBOXVIDEO_13
1188 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1189#else
1190 /* We probably do want to support power management - even if we just use
1191 a dummy function. */
1192 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1193#endif
1194
1195 /* Report any unused options (only for the first generation) */
1196 if (serverGeneration == 1)
1197 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1198
1199 if (vbox_cursor_init(pScreen) != TRUE)
1200 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1201 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1202
1203#ifdef VBOX_DRI_OLD
1204 if (pVBox->useDRI)
1205 pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
1206#endif
1207
1208 initialiseProperties(pScrn);
1209
1210 return (TRUE);
1211}
1212
1213static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1214{
1215 VBOXPtr pVBox = VBOXGetRec(pScrn);
1216
1217 TRACE_ENTRY();
1218 vboxClearVRAM(pScrn, 0, 0);
1219#ifdef VBOX_DRI_OLD
1220 if (pVBox->useDRI)
1221 DRIUnlock(xf86ScrnToScreen(pScrn));
1222#elif defined(VBOX_DRI) /* DRI2 */
1223 if (pVBox->drmFD >= 0)
1224 {
1225 /* Tell the kernel driver, if present, that we are taking over. */
1226 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1227 drmSetMaster(pVBox->drmFD);
1228 }
1229#endif
1230 vboxEnableVbva(pScrn);
1231 /* Re-assert this in case we had a change request while switched out. */
1232 if (pVBox->FBSize.cx && pVBox->FBSize.cy)
1233 VBOXAdjustScreenPixmap(pScrn, pVBox->FBSize.cx, pVBox->FBSize.cy);
1234#ifdef VBOXVIDEO_13
1235 if (!xf86SetDesiredModes(pScrn))
1236 return FALSE;
1237#else
1238 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1239 pScrn->currentMode->VDisplay, pScrn->frameX0,
1240 pScrn->frameY0))
1241 return FALSE;
1242#endif
1243#ifdef SET_HAVE_VT_PROPERTY
1244 updateHasVTProperty(pScrn, TRUE);
1245#endif
1246 return TRUE;
1247}
1248
1249static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1250{
1251 VBOXPtr pVBox = VBOXGetRec(pScrn);
1252
1253 TRACE_ENTRY();
1254 vboxDisableVbva(pScrn);
1255 vboxClearVRAM(pScrn, 0, 0);
1256#ifdef VBOX_DRI_OLD
1257 if (pVBox->useDRI)
1258 DRILock(xf86ScrnToScreen(pScrn), 0);
1259#elif defined(VBOX_DRI) /* DRI2 */
1260 if (pVBox->drmFD >= 0)
1261 drmDropMaster(pVBox->drmFD);
1262 /* Tell the kernel driver, if present, that it can use the framebuffer
1263 * driver again. If not, or if that fails, restore the old mode ourselves.
1264 */
1265 if ( pVBox->drmFD < 0
1266 || drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) < 0)
1267#endif
1268 VBOXRestoreMode(pScrn);
1269#ifdef SET_HAVE_VT_PROPERTY
1270 updateHasVTProperty(pScrn, FALSE);
1271#endif
1272 TRACE_EXIT();
1273}
1274
1275static Bool VBOXCloseScreen(ScreenPtr pScreen)
1276{
1277 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1278 VBOXPtr pVBox = VBOXGetRec(pScrn);
1279#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1280 BOOL fRestore = TRUE;
1281#endif
1282 if (pScrn->vtSema)
1283 {
1284 vboxDisableVbva(pScrn);
1285 vboxClearVRAM(pScrn, 0, 0);
1286 }
1287#ifdef VBOX_DRI
1288# ifndef VBOX_DRI_OLD /* DRI2 */
1289 if ( pVBox->drmFD >= 0
1290 /* Tell the kernel driver, if present, that we are going away. */
1291 && drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) >= 0)
1292 fRestore = false;
1293# endif
1294 if (pVBox->useDRI)
1295 VBOXDRICloseScreen(pScreen, pVBox);
1296 pVBox->useDRI = false;
1297#endif
1298#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1299 if (fRestore)
1300#endif
1301 if (pScrn->vtSema)
1302 VBOXRestoreMode(pScrn);
1303 if (pScrn->vtSema)
1304 VBOXUnmapVidMem(pScrn);
1305 pScrn->vtSema = FALSE;
1306
1307 /* Do additional bits which are separate for historical reasons */
1308 vbox_close(pScrn, pVBox);
1309
1310 pScreen->CloseScreen = pVBox->CloseScreen;
1311#ifndef XF86_SCRN_INTERFACE
1312 return pScreen->CloseScreen(pScreen->myNum, pScreen);
1313#else
1314 return pScreen->CloseScreen(pScreen);
1315#endif
1316}
1317
1318static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1319{
1320 VBOXPtr pVBox;
1321 Bool rc;
1322
1323 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1324#ifndef VBOXVIDEO_13
1325 pVBox = VBOXGetRec(pScrn);
1326 /* Save the size in case we need to re-set it later. */
1327 pVBox->FBSize.cx = pMode->HDisplay;
1328 pVBox->FBSize.cy = pMode->VDisplay;
1329 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
1330 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
1331 pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
1332 pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
1333#endif
1334 if (!pScrn->vtSema)
1335 {
1336 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1337 "We do not own the active VT, exiting.\n");
1338 return TRUE;
1339 }
1340#ifdef VBOXVIDEO_13
1341 rc = xf86SetSingleMode(pScrn, pMode, 0);
1342#else
1343 VBOXAdjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
1344 rc = VBOXSetMode(pScrn, 0, pMode->HDisplay, pMode->VDisplay,
1345 pScrn->frameX0, pScrn->frameY0);
1346#endif
1347 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1348 return rc;
1349}
1350
1351static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1352{
1353 VBOXPtr pVBox = VBOXGetRec(pScrn);
1354
1355 TRACE_ENTRY();
1356 pVBox->pScreens[0].aScreenLocation.x = x;
1357 pVBox->pScreens[0].aScreenLocation.y = y;
1358 /* Don't fiddle with the hardware if we are switched
1359 * to a virtual terminal. */
1360 if (!pScrn->vtSema)
1361 {
1362 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1363 "We do not own the active VT, exiting.\n");
1364 return;
1365 }
1366 VBOXSetMode(pScrn, 0, pVBox->pScreens[0].aScreenLocation.cx,
1367 pVBox->pScreens[0].aScreenLocation.cy, x, y);
1368 TRACE_EXIT();
1369}
1370
1371static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1372{
1373 /* Destroy the VGA hardware record */
1374 vgaHWFreeHWRec(pScrn);
1375 /* And our private record */
1376 free(pScrn->driverPrivate);
1377 pScrn->driverPrivate = NULL;
1378}
1379
1380static Bool
1381VBOXMapVidMem(ScrnInfoPtr pScrn)
1382{
1383 VBOXPtr pVBox = VBOXGetRec(pScrn);
1384 Bool rc = TRUE;
1385
1386 TRACE_ENTRY();
1387 if (!pVBox->base)
1388 {
1389#ifdef PCIACCESS
1390 (void) pci_device_map_range(pVBox->pciInfo,
1391 pScrn->memPhysBase,
1392 pScrn->videoRam * 1024,
1393 PCI_DEV_MAP_FLAG_WRITABLE,
1394 & pVBox->base);
1395#else
1396 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1397 VIDMEM_FRAMEBUFFER,
1398 pVBox->pciTag, pScrn->memPhysBase,
1399 (unsigned) pScrn->videoRam * 1024);
1400#endif
1401 if (!pVBox->base)
1402 rc = FALSE;
1403 }
1404 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1405 return rc;
1406}
1407
1408static void
1409VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1410{
1411 VBOXPtr pVBox = VBOXGetRec(pScrn);
1412
1413 TRACE_ENTRY();
1414 if (pVBox->base == NULL)
1415 return;
1416
1417#ifdef PCIACCESS
1418 (void) pci_device_unmap_range(pVBox->pciInfo,
1419 pVBox->base,
1420 pScrn->videoRam * 1024);
1421#else
1422 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1423 (unsigned) pScrn->videoRam * 1024);
1424#endif
1425 pVBox->base = NULL;
1426 TRACE_EXIT();
1427}
1428
1429static Bool
1430VBOXSaveScreen(ScreenPtr pScreen, int mode)
1431{
1432 (void)pScreen; (void)mode;
1433 return TRUE;
1434}
1435
1436void
1437VBOXSaveMode(ScrnInfoPtr pScrn)
1438{
1439 VBOXPtr pVBox = VBOXGetRec(pScrn);
1440 vgaRegPtr vgaReg;
1441
1442 TRACE_ENTRY();
1443 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1444 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1445 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1446 &pVBox->cSavedHeight,
1447 &pVBox->cSavedPitch,
1448 &pVBox->cSavedBPP,
1449 &pVBox->fSavedFlags);
1450}
1451
1452void
1453VBOXRestoreMode(ScrnInfoPtr pScrn)
1454{
1455 VBOXPtr pVBox = VBOXGetRec(pScrn);
1456 vgaRegPtr vgaReg;
1457
1458 TRACE_ENTRY();
1459 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1460 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1461 if (pVBox->fSavedVBEMode)
1462 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1463 pVBox->cSavedPitch, pVBox->cSavedBPP,
1464 pVBox->fSavedFlags, 0, 0);
1465 else
1466 VBoxVideoDisableVBE();
1467}
1468
1469static void
1470VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
1471 int flags)
1472{
1473 (void)pScrn; (void)mode; (void) flags;
1474}
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette