VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 49877

Last change on this file since 49877 was 49877, checked in by vboxsync, 11 years ago

Additions/x11: make vboxvideo dynamic resizing compatible with what the KMS/modesetting drivers can do.
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  • Property svn:keywords set to Author Date Id Revision
File size: 44.2 KB
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1/* $Id: vboxvideo.c 49877 2013-12-11 16:27:39Z 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#ifndef PCIACCESS
69/* Drivers for PCI hardware need this */
70# include "xf86PciInfo.h"
71/* Drivers that need to access the PCI config space directly need this */
72# include "xf86Pci.h"
73#endif
74
75#include "fb.h"
76
77#include "vboxvideo.h"
78#include <VBox/VBoxGuest.h>
79#include "version-generated.h"
80#include "product-generated.h"
81#include <xf86.h>
82#include <misc.h>
83
84/* All drivers initialising the SW cursor need this */
85#include "mipointer.h"
86
87/* Colormap handling */
88#include "micmap.h"
89#include "xf86cmap.h"
90
91/* DPMS */
92/* #define DPMS_SERVER
93#include "extensions/dpms.h" */
94
95/* VGA hardware functions for setting and restoring text mode */
96#include "vgaHW.h"
97
98#ifdef VBOXVIDEO_13
99/* X.org 1.3+ mode setting */
100# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
101# include "xf86Crtc.h"
102# include "xf86Modes.h"
103# include <X11/Xatom.h>
104#endif
105
106#ifdef VBOX_DRI
107# include "xf86drm.h"
108#endif
109
110/* Mandatory functions */
111
112static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
113static void VBOXIdentify(int flags);
114#ifndef PCIACCESS
115static Bool VBOXProbe(DriverPtr drv, int flags);
116#else
117static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
118 struct pci_device *dev, intptr_t match_data);
119#endif
120static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
121static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
122static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
123static void VBOXLeaveVT(ScrnInfoPtr pScrn);
124static Bool VBOXCloseScreen(ScreenPtr pScreen);
125static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
126static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
127static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
128static void VBOXFreeScreen(ScrnInfoPtr pScrn);
129static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
130 int flags);
131
132/* locally used functions */
133static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
134static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
135static void VBOXSaveMode(ScrnInfoPtr pScrn);
136static void VBOXRestoreMode(ScrnInfoPtr pScrn);
137
138static inline void VBOXSetRec(ScrnInfoPtr pScrn)
139{
140 if (!pScrn->driverPrivate)
141 pScrn->driverPrivate = calloc(sizeof(VBOXRec), 1);
142}
143
144enum GenericTypes
145{
146 CHIP_VBOX_GENERIC
147};
148
149#ifdef PCIACCESS
150static const struct pci_id_match vbox_device_match[] = {
151 {
152 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
153 0, 0, 0
154 },
155
156 { 0, 0, 0 },
157};
158#endif
159
160/* Supported chipsets */
161static SymTabRec VBOXChipsets[] =
162{
163 {VBOX_DEVICEID, "vbox"},
164 {-1, NULL}
165};
166
167static PciChipsets VBOXPCIchipsets[] = {
168 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
169 { -1, -1, RES_UNDEFINED },
170};
171
172/*
173 * This contains the functions needed by the server after loading the
174 * driver module. It must be supplied, and gets added the driver list by
175 * the Module Setup function in the dynamic case. In the static case a
176 * reference to this is compiled in, and this requires that the name of
177 * this DriverRec be an upper-case version of the driver name.
178 */
179
180#ifdef XORG_7X
181_X_EXPORT
182#endif
183DriverRec VBOXVIDEO = {
184 VBOX_VERSION,
185 VBOX_DRIVER_NAME,
186 VBOXIdentify,
187#ifdef PCIACCESS
188 NULL,
189#else
190 VBOXProbe,
191#endif
192 VBOXAvailableOptions,
193 NULL,
194 0,
195#ifdef XORG_7X
196 NULL,
197#endif
198#ifdef PCIACCESS
199 vbox_device_match,
200 VBOXPciProbe
201#endif
202};
203
204/* No options for now */
205static const OptionInfoRec VBOXOptions[] = {
206 { -1, NULL, OPTV_NONE, {0}, FALSE }
207};
208
209#ifndef XORG_7X
210/*
211 * List of symbols from other modules that this module references. This
212 * list is used to tell the loader that it is OK for symbols here to be
213 * unresolved providing that it hasn't been told that they haven't been
214 * told that they are essential via a call to xf86LoaderReqSymbols() or
215 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
216 * unresolved symbols that are not required.
217 */
218static const char *fbSymbols[] = {
219 "fbPictureInit",
220 "fbScreenInit",
221 NULL
222};
223
224static const char *shadowfbSymbols[] = {
225 "ShadowFBInit2",
226 NULL
227};
228
229static const char *ramdacSymbols[] = {
230 "xf86InitCursor",
231 "xf86CreateCursorInfoRec",
232 NULL
233};
234
235static const char *vgahwSymbols[] = {
236 "vgaHWFreeHWRec",
237 "vgaHWGetHWRec",
238 "vgaHWGetIOBase",
239 "vgaHWGetIndex",
240 "vgaHWRestore",
241 "vgaHWSave",
242 "vgaHWSetStdFuncs",
243 NULL
244};
245#endif /* !XORG_7X */
246
247#ifdef VBOXVIDEO_13
248/* X.org 1.3+ mode-setting support ******************************************/
249
250/* For descriptions of these functions and structures, see
251 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
252 X.Org source tree. */
253
254static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
255{
256 VBOXPtr pVBox = VBOXGetRec(pScrn);
257 TRACE_LOG("width=%d, height=%d\n", cw, ch);
258 /* Save the size in case we need to re-set it later. */
259 pVBox->FBSize.cx = cw;
260 pVBox->FBSize.cy = ch;
261 /* Don't fiddle with the hardware if we are switched
262 * to a virtual terminal. */
263 if (!pScrn->vtSema) {
264 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
265 "We do not own the active VT, exiting.\n");
266 return TRUE;
267 }
268 return VBOXAdjustScreenPixmap(pScrn, cw, ch);
269}
270
271static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
272 vbox_config_resize
273};
274
275static void
276vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
277{
278 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
279 unsigned cDisplay = (uintptr_t)crtc->driver_private;
280 TRACE_LOG("cDisplay=%u, mode=%i\n", cDisplay, mode);
281 pVBox->afDisabled[cDisplay] = (mode != DPMSModeOn);
282 /* Don't fiddle with the hardware if we are switched
283 * to a virtual terminal. */
284 if (!crtc->scrn->vtSema) {
285 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
286 "We do not own the active VT, exiting.\n");
287 return;
288 }
289 if ( pVBox->aScreenLocation[cDisplay].cx
290 && pVBox->aScreenLocation[cDisplay].cy)
291 VBOXSetMode(crtc->scrn, cDisplay,
292 pVBox->aScreenLocation[cDisplay].cx,
293 pVBox->aScreenLocation[cDisplay].cy,
294 pVBox->aScreenLocation[cDisplay].x,
295 pVBox->aScreenLocation[cDisplay].y);
296}
297
298static Bool
299vbox_crtc_lock (xf86CrtcPtr crtc)
300{ (void) crtc; return FALSE; }
301
302
303/* We use this function to check whether the X server owns the active virtual
304 * terminal before attempting a mode switch, since the RandR extension isn't
305 * very dilligent here, which can mean crashes if we are unlucky. This is
306 * not the way it the function is intended - it is meant for reporting modes
307 * which the hardware can't handle. I hope that this won't confuse any clients
308 * connecting to us. */
309static Bool
310vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
311 DisplayModePtr adjusted_mode)
312{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
313
314static void
315vbox_crtc_stub (xf86CrtcPtr crtc)
316{ (void) crtc; }
317
318static void
319vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
320 DisplayModePtr adjusted_mode, int x, int y)
321{
322 (void) mode;
323 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
324 unsigned cDisplay = (uintptr_t)crtc->driver_private;
325
326 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
327 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
328 pVBox->afDisabled[cDisplay] = false;
329 pVBox->aScreenLocation[cDisplay].cx = adjusted_mode->HDisplay;
330 pVBox->aScreenLocation[cDisplay].cy = adjusted_mode->VDisplay;
331 pVBox->aScreenLocation[cDisplay].x = x;
332 pVBox->aScreenLocation[cDisplay].y = y;
333 /* Don't remember any modes set while we are seamless, as they are
334 * just temporary. */
335 if (!vboxGuestIsSeamless(crtc->scrn))
336 vboxSaveVideoMode(crtc->scrn, adjusted_mode->HDisplay,
337 adjusted_mode->VDisplay, crtc->scrn->bitsPerPixel);
338 /* Don't fiddle with the hardware if we are switched
339 * to a virtual terminal. */
340 if (!crtc->scrn->vtSema)
341 {
342 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
343 "We do not own the active VT, exiting.\n");
344 return;
345 }
346 VBOXSetMode(crtc->scrn, cDisplay, adjusted_mode->HDisplay,
347 adjusted_mode->VDisplay, x, y);
348}
349
350static void
351vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
352 CARD16 *green, CARD16 *blue, int size)
353{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
354
355static void *
356vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
357{ (void) crtc; (void) width; (void) height; return NULL; }
358
359static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
360 .dpms = vbox_crtc_dpms,
361 .save = NULL, /* These two are never called by the server. */
362 .restore = NULL,
363 .lock = vbox_crtc_lock,
364 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
365 .mode_fixup = vbox_crtc_mode_fixup,
366 .prepare = vbox_crtc_stub,
367 .mode_set = vbox_crtc_mode_set,
368 .commit = vbox_crtc_stub,
369 .gamma_set = vbox_crtc_gamma_set,
370 .shadow_allocate = vbox_crtc_shadow_allocate,
371 .shadow_create = NULL, /* These two should not be invoked if allocate
372 returns NULL. */
373 .shadow_destroy = NULL,
374 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
375 .set_cursor_position = NULL,
376 .show_cursor = NULL,
377 .hide_cursor = NULL,
378 .load_cursor_argb = NULL,
379 .destroy = vbox_crtc_stub
380};
381
382static void
383vbox_output_stub (xf86OutputPtr output)
384{ (void) output; }
385
386static void
387vbox_output_dpms (xf86OutputPtr output, int mode)
388{ (void) output; (void) mode; }
389
390static int
391vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
392{
393 ScrnInfoPtr pScrn = output->scrn;
394 int rc = MODE_OK;
395 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", mode->HDisplay, mode->VDisplay);
396 /* We always like modes specified by the user in the configuration
397 * file and modes requested by the host, as doing otherwise is likely to
398 * annoy people. */
399 if ( !(mode->type & M_T_USERDEF)
400 && !(mode->type & M_T_PREFERRED)
401 && vbox_device_available(VBOXGetRec(pScrn))
402 && !vboxHostLikesVideoMode(pScrn, mode->HDisplay, mode->VDisplay,
403 pScrn->bitsPerPixel)
404 )
405 rc = MODE_BAD;
406 TRACE_LOG("returning %s\n", MODE_OK == rc ? "MODE_OK" : "MODE_BAD");
407 return rc;
408}
409
410static Bool
411vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
412 DisplayModePtr adjusted_mode)
413{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
414
415static void
416vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
417 DisplayModePtr adjusted_mode)
418{ (void) output; (void) mode; (void) adjusted_mode; }
419
420/* A virtual monitor is always connected. */
421static xf86OutputStatus
422vbox_output_detect (xf86OutputPtr output)
423{
424 (void) output;
425 return XF86OutputStatusConnected;
426}
427
428static DisplayModePtr
429vbox_output_add_mode (VBOXPtr pVBox, DisplayModePtr *pModes,
430 const char *pszName, int x, int y,
431 Bool isPreferred, Bool isUserDef)
432{
433 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName, x, y);
434 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
435
436 pMode->status = MODE_OK;
437 /* We don't ask the host whether it likes user defined modes,
438 * as we assume that the user really wanted that mode. */
439 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
440 if (isPreferred)
441 pMode->type |= M_T_PREFERRED;
442 /* Older versions of VBox only support screen widths which are a multiple
443 * of 8 */
444 if (pVBox->fAnyX)
445 pMode->HDisplay = x;
446 else
447 pMode->HDisplay = x & ~7;
448 pMode->HSyncStart = pMode->HDisplay + 2;
449 pMode->HSyncEnd = pMode->HDisplay + 4;
450 pMode->HTotal = pMode->HDisplay + 6;
451 pMode->VDisplay = y;
452 pMode->VSyncStart = pMode->VDisplay + 2;
453 pMode->VSyncEnd = pMode->VDisplay + 4;
454 pMode->VTotal = pMode->VDisplay + 6;
455 pMode->Clock = pMode->HTotal * pMode->VTotal * 60 / 1000; /* kHz */
456 if (NULL == pszName) {
457 xf86SetModeDefaultName(pMode);
458 } else {
459 pMode->name = xnfstrdup(pszName);
460 }
461 *pModes = xf86ModesAdd(*pModes, pMode);
462 return pMode;
463}
464
465static DisplayModePtr
466vbox_output_get_modes (xf86OutputPtr output)
467{
468 unsigned i, cIndex = 0;
469 DisplayModePtr pModes = NULL, pMode;
470 ScrnInfoPtr pScrn = output->scrn;
471 VBOXPtr pVBox = VBOXGetRec(pScrn);
472
473 TRACE_ENTRY();
474 uint32_t x, y, bpp, iScreen;
475 iScreen = (uintptr_t)output->driver_private;
476 vboxGetPreferredMode(pScrn, iScreen, &x, &y, &bpp);
477 pMode = vbox_output_add_mode(pVBox, &pModes, NULL, x, y, TRUE, FALSE);
478 VBOXEDIDSet(output, pMode);
479 /* Add standard modes supported by the host */
480 for ( ; ; )
481 {
482 cIndex = vboxNextStandardMode(pScrn, cIndex, &x, &y, NULL);
483 if (cIndex == 0)
484 break;
485 vbox_output_add_mode(pVBox, &pModes, NULL, x, y, FALSE, FALSE);
486 }
487
488 /* Also report any modes the user may have requested in the xorg.conf
489 * configuration file. */
490 for (i = 0; pScrn->display->modes[i] != NULL; i++)
491 {
492 if (2 == sscanf(pScrn->display->modes[i], "%ux%u", &x, &y))
493 vbox_output_add_mode(pVBox, &pModes, pScrn->display->modes[i], x, y,
494 FALSE, TRUE);
495 }
496 TRACE_EXIT();
497 return pModes;
498}
499
500#ifdef RANDR_12_INTERFACE
501static Atom
502vboxAtomVBoxMode(void)
503{
504 return MakeAtom("VBOX_MODE", sizeof("VBOX_MODE") - 1, TRUE);
505}
506
507static Atom
508vboxAtomEDID(void)
509{
510 return MakeAtom("EDID", sizeof("EDID") - 1, TRUE);
511}
512
513/** We use this for receiving information from clients for the purpose of
514 * dynamic resizing, and later possibly other things too.
515 */
516static Bool
517vbox_output_set_property(xf86OutputPtr output, Atom property,
518 RRPropertyValuePtr value)
519{
520 ScrnInfoPtr pScrn = output->scrn;
521 VBOXPtr pVBox = VBOXGetRec(pScrn);
522 TRACE_LOG("property=%d, value->type=%d, value->format=%d, value->size=%d\n",
523 (int)property, (int)value->type, (int)value->format, (int)value->size);
524 if (property == vboxAtomVBoxMode())
525 {
526 uint32_t cDisplay = (uintptr_t)output->driver_private;
527 int w, h;
528
529 if ( value->type != XA_INTEGER
530 || value->format != 32
531 || value->size != 1)
532 return FALSE;
533 w = (*(uint32_t *)value->data) >> 16;
534 h = (*(uint32_t *)value->data) & 0xffff;
535 TRACE_LOG("screen=%u, property value=%dx%d\n", cDisplay, w, h);
536 pVBox->aPreferredSize[cDisplay].cx = w;
537 pVBox->aPreferredSize[cDisplay].cy = h;
538 return TRUE;
539 }
540 if (property == vboxAtomEDID())
541 return TRUE;
542 return FALSE;
543}
544#endif
545
546static const xf86OutputFuncsRec VBOXOutputFuncs = {
547 .create_resources = vbox_output_stub,
548 .dpms = vbox_output_dpms,
549 .save = NULL, /* These two are never called by the server. */
550 .restore = NULL,
551 .mode_valid = vbox_output_mode_valid,
552 .mode_fixup = vbox_output_mode_fixup,
553 .prepare = vbox_output_stub,
554 .commit = vbox_output_stub,
555 .mode_set = vbox_output_mode_set,
556 .detect = vbox_output_detect,
557 .get_modes = vbox_output_get_modes,
558#ifdef RANDR_12_INTERFACE
559 .set_property = vbox_output_set_property,
560#endif
561 .destroy = vbox_output_stub
562};
563#endif /* VBOXVIDEO_13 */
564
565/* Module loader interface */
566static MODULESETUPPROTO(vboxSetup);
567
568static XF86ModuleVersionInfo vboxVersionRec =
569{
570 VBOX_DRIVER_NAME,
571 VBOX_VENDOR,
572 MODINFOSTRING1,
573 MODINFOSTRING2,
574#ifdef XORG_7X
575 XORG_VERSION_CURRENT,
576#else
577 XF86_VERSION_CURRENT,
578#endif
579 1, /* Module major version. Xorg-specific */
580 0, /* Module minor version. Xorg-specific */
581 1, /* Module patchlevel. Xorg-specific */
582 ABI_CLASS_VIDEODRV, /* This is a video driver */
583 ABI_VIDEODRV_VERSION,
584 MOD_CLASS_VIDEODRV,
585 {0, 0, 0, 0}
586};
587
588/*
589 * This data is accessed by the loader. The name must be the module name
590 * followed by "ModuleData".
591 */
592#ifdef XORG_7X
593_X_EXPORT
594#endif
595XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
596
597static pointer
598vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
599{
600 static Bool Initialised = FALSE;
601
602 if (!Initialised)
603 {
604 Initialised = TRUE;
605#ifdef PCIACCESS
606 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
607#else
608 xf86AddDriver(&VBOXVIDEO, Module, 0);
609#endif
610#ifndef XORG_7X
611 LoaderRefSymLists(fbSymbols,
612 shadowfbSymbols,
613 ramdacSymbols,
614 vgahwSymbols,
615 NULL);
616#endif
617 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
618 (void *)&VBOXVIDEO);
619 return (pointer)TRUE;
620 }
621
622 if (ErrorMajor)
623 *ErrorMajor = LDR_ONCEONLY;
624 return (NULL);
625}
626
627
628static const OptionInfoRec *
629VBOXAvailableOptions(int chipid, int busid)
630{
631 return (VBOXOptions);
632}
633
634static void
635VBOXIdentify(int flags)
636{
637 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
638}
639
640#ifndef XF86_SCRN_INTERFACE
641# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
642# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
643# define SCRNINDEXAPI(pfn) pfn ## Index
644static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
645 char **argv)
646{ return VBOXScreenInit(pScreen, argc, argv); }
647
648static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
649{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
650
651static void VBOXLeaveVTIndex(int scrnIndex, int flags)
652{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
653
654static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
655{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
656
657static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
658{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
659
660static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
661{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
662
663static void VBOXFreeScreenIndex(int scrnIndex, int flags)
664{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
665# else
666# define SCRNINDEXAPI(pfn) pfn
667#endif /* XF86_SCRN_INTERFACE */
668
669static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
670{
671 pScrn->driverVersion = VBOX_VERSION;
672 pScrn->driverName = VBOX_DRIVER_NAME;
673 pScrn->name = VBOX_NAME;
674 pScrn->Probe = pfnProbe;
675 pScrn->PreInit = VBOXPreInit;
676 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
677 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
678 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
679 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
680 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
681 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
682}
683
684/*
685 * One of these functions is called once, at the start of the first server
686 * generation to do a minimal probe for supported hardware.
687 */
688
689#ifdef PCIACCESS
690static Bool
691VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
692 intptr_t match_data)
693{
694 ScrnInfoPtr pScrn;
695
696 TRACE_ENTRY();
697 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
698 NULL, NULL, NULL, NULL, NULL);
699 if (pScrn != NULL) {
700 VBOXPtr pVBox;
701
702 VBOXSetRec(pScrn);
703 pVBox = VBOXGetRec(pScrn);
704 if (!pVBox)
705 return FALSE;
706 setScreenFunctions(pScrn, NULL);
707 pVBox->pciInfo = dev;
708 }
709
710 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
711 return (pScrn != NULL);
712}
713#endif
714
715#ifndef PCIACCESS
716static Bool
717VBOXProbe(DriverPtr drv, int flags)
718{
719 Bool foundScreen = FALSE;
720 int numDevSections;
721 GDevPtr *devSections;
722
723 /*
724 * Find the config file Device sections that match this
725 * driver, and return if there are none.
726 */
727 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
728 &devSections)) <= 0)
729 return (FALSE);
730
731 /* PCI BUS */
732 if (xf86GetPciVideoInfo())
733 {
734 int numUsed;
735 int *usedChips;
736 int i;
737 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
738 VBOXChipsets, VBOXPCIchipsets,
739 devSections, numDevSections,
740 drv, &usedChips);
741 if (numUsed > 0)
742 {
743 if (flags & PROBE_DETECT)
744 foundScreen = TRUE;
745 else
746 for (i = 0; i < numUsed; i++)
747 {
748 ScrnInfoPtr pScrn = NULL;
749 /* Allocate a ScrnInfoRec */
750 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
751 VBOXPCIchipsets,NULL,
752 NULL,NULL,NULL,NULL)))
753 {
754 setScreenFunctions(pScrn, VBOXProbe);
755 foundScreen = TRUE;
756 }
757 }
758 free(usedChips);
759 }
760 }
761 free(devSections);
762 return (foundScreen);
763}
764#endif
765
766
767/*
768 * QUOTE from the XFree86 DESIGN document:
769 *
770 * The purpose of this function is to find out all the information
771 * required to determine if the configuration is usable, and to initialise
772 * those parts of the ScrnInfoRec that can be set once at the beginning of
773 * the first server generation.
774 *
775 * (...)
776 *
777 * This includes probing for video memory, clocks, ramdac, and all other
778 * HW info that is needed. It includes determining the depth/bpp/visual
779 * and related info. It includes validating and determining the set of
780 * video modes that will be used (and anything that is required to
781 * determine that).
782 *
783 * This information should be determined in the least intrusive way
784 * possible. The state of the HW must remain unchanged by this function.
785 * Although video memory (including MMIO) may be mapped within this
786 * function, it must be unmapped before returning.
787 *
788 * END QUOTE
789 */
790
791static Bool
792VBOXPreInit(ScrnInfoPtr pScrn, int flags)
793{
794 VBOXPtr pVBox;
795 Gamma gzeros = {0.0, 0.0, 0.0};
796 rgb rzeros = {0, 0, 0};
797 unsigned DispiId;
798
799 TRACE_ENTRY();
800 /* Are we really starting the server, or is this just a dummy run? */
801 if (flags & PROBE_DETECT)
802 return (FALSE);
803
804 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
805 "VirtualBox guest additions video driver version "
806 VBOX_VERSION_STRING "\n");
807
808 /* Get our private data from the ScrnInfoRec structure. */
809 VBOXSetRec(pScrn);
810 pVBox = VBOXGetRec(pScrn);
811 if (!pVBox)
812 return FALSE;
813
814 /* Initialise the guest library */
815 vbox_init(pScrn->scrnIndex, pVBox);
816
817 /* Entity information seems to mean bus information. */
818 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
819
820 /* The ramdac module is needed for the hardware cursor. */
821 if (!xf86LoadSubModule(pScrn, "ramdac"))
822 return FALSE;
823
824 /* The framebuffer module. */
825 if (!xf86LoadSubModule(pScrn, "fb"))
826 return (FALSE);
827
828 if (!xf86LoadSubModule(pScrn, "shadowfb"))
829 return FALSE;
830
831 if (!xf86LoadSubModule(pScrn, "vgahw"))
832 return FALSE;
833
834#ifdef VBOX_DRI_OLD
835 /* Load the dri module. */
836 if (!xf86LoadSubModule(pScrn, "dri"))
837 return FALSE;
838#else
839# ifdef VBOX_DRI
840 /* Load the dri module. */
841 if (!xf86LoadSubModule(pScrn, "dri2"))
842 return FALSE;
843# endif
844#endif
845
846#ifndef PCIACCESS
847 if (pVBox->pEnt->location.type != BUS_PCI)
848 return FALSE;
849
850 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
851 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
852 pVBox->pciInfo->device,
853 pVBox->pciInfo->func);
854#endif
855
856 /* Set up our ScrnInfoRec structure to describe our virtual
857 capabilities to X. */
858
859 pScrn->chipset = "vbox";
860 /** @note needed during colourmap initialisation */
861 pScrn->rgbBits = 8;
862
863 /* Let's create a nice, capable virtual monitor. */
864 pScrn->monitor = pScrn->confScreen->monitor;
865 pScrn->monitor->DDC = NULL;
866 pScrn->monitor->nHsync = 1;
867 pScrn->monitor->hsync[0].lo = 1;
868 pScrn->monitor->hsync[0].hi = 10000;
869 pScrn->monitor->nVrefresh = 1;
870 pScrn->monitor->vrefresh[0].lo = 1;
871 pScrn->monitor->vrefresh[0].hi = 100;
872
873 pScrn->progClock = TRUE;
874
875 /* Using the PCI information caused problems with non-powers-of-two
876 sized video RAM configurations */
877 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
878 pScrn->videoRam = pVBox->cbFBMax / 1024;
879
880 /* Check if the chip restricts horizontal resolution or not. */
881 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
882
883 /* Set up clock information that will support all modes we need. */
884 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
885 pScrn->clockRanges->minClock = 1000;
886 pScrn->clockRanges->maxClock = 1000000000;
887 pScrn->clockRanges->clockIndex = -1;
888 pScrn->clockRanges->ClockMulFactor = 1;
889 pScrn->clockRanges->ClockDivFactor = 1;
890
891 /* Query the host for the preferred colour depth */
892 {
893 uint32_t cx = 0, cy = 0, cBits = 0;
894
895 vboxGetPreferredMode(pScrn, 0, &cx, &cy, &cBits);
896 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
897 if (cBits != 16)
898 cBits = 24;
899 if (!xf86SetDepthBpp(pScrn, cBits, 0, 0, Support32bppFb))
900 return FALSE;
901 vboxAddModes(pScrn, cx, cy);
902 }
903 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
904 {
905 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
906 "The VBox additions only support 16 and 32bpp graphics modes\n");
907 return FALSE;
908 }
909 xf86PrintDepthBpp(pScrn);
910
911#ifdef VBOXVIDEO_13
912 /* Work around a bug in the original X server modesetting code, which
913 * took the first valid values set to these two as maxima over the
914 * server lifetime. */
915 pScrn->virtualX = 32000;
916 pScrn->virtualY = 32000;
917#else
918 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
919 * already know what we like and what we don't. */
920
921 pScrn->currentMode = pScrn->modes;
922
923 /* Set the right virtual resolution. */
924 pScrn->virtualX = pScrn->currentMode->HDisplay;
925 pScrn->virtualY = pScrn->currentMode->VDisplay;
926
927#endif /* !VBOXVIDEO_13 */
928
929 /* Needed before we initialise DRI. */
930 pVBox->cbLine = vboxLineLength(pScrn, pScrn->virtualX);
931 pScrn->displayWidth = vboxDisplayPitch(pScrn, pVBox->cbLine);
932
933 xf86PrintModes(pScrn);
934
935 /* VGA hardware initialisation */
936 if (!vgaHWGetHWRec(pScrn))
937 return FALSE;
938 /* Must be called before any VGA registers are saved or restored */
939 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
940 vgaHWGetIOBase(VGAHWPTR(pScrn));
941
942 /* Colour weight - we always call this, since we are always in
943 truecolour. */
944 if (!xf86SetWeight(pScrn, rzeros, rzeros))
945 return (FALSE);
946
947 /* visual init */
948 if (!xf86SetDefaultVisual(pScrn, -1))
949 return (FALSE);
950
951 xf86SetGamma(pScrn, gzeros);
952
953 /* Set the DPI. Perhaps we should read this from the host? */
954 xf86SetDpi(pScrn, 96, 96);
955
956 if (pScrn->memPhysBase == 0) {
957#ifdef PCIACCESS
958 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
959#else
960 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
961#endif
962 pScrn->fbOffset = 0;
963 }
964
965 TRACE_EXIT();
966 return (TRUE);
967}
968
969/**
970 * Dummy function for setting the colour palette, which we actually never
971 * touch. However, the server still requires us to provide this.
972 */
973static void
974vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
975 LOCO *colors, VisualPtr pVisual)
976{
977 (void)pScrn; (void) numColors; (void) indices; (void) colors;
978 (void)pVisual;
979}
980
981/*
982 * QUOTE from the XFree86 DESIGN document:
983 *
984 * This is called at the start of each server generation.
985 *
986 * (...)
987 *
988 * Decide which operations need to be placed under resource access
989 * control. (...) Map any video memory or other memory regions. (...)
990 * Save the video card state. (...) Initialise the initial video
991 * mode.
992 *
993 * End QUOTE.
994 */
995static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
996{
997 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
998 VBOXPtr pVBox = VBOXGetRec(pScrn);
999 VisualPtr visual;
1000 unsigned flags;
1001
1002 TRACE_ENTRY();
1003
1004 if (!VBOXMapVidMem(pScrn))
1005 return (FALSE);
1006
1007 /* save current video state */
1008 VBOXSaveMode(pScrn);
1009
1010 /* mi layer - reset the visual list (?)*/
1011 miClearVisualTypes();
1012 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1013 pScrn->rgbBits, TrueColor))
1014 return (FALSE);
1015 if (!miSetPixmapDepths())
1016 return (FALSE);
1017
1018#ifdef VBOX_DRI
1019 pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
1020# ifndef VBOX_DRI_OLD /* DRI2 */
1021 if (pVBox->drmFD >= 0)
1022 /* Tell the kernel driver, if present, that we are taking over. */
1023 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1024# endif
1025#endif
1026
1027 if (!fbScreenInit(pScreen, pVBox->base,
1028 pScrn->virtualX, pScrn->virtualY,
1029 pScrn->xDpi, pScrn->yDpi,
1030 pScrn->displayWidth, pScrn->bitsPerPixel))
1031 return (FALSE);
1032
1033 /* Fixup RGB ordering */
1034 /** @note the X server uses this even in true colour. */
1035 visual = pScreen->visuals + pScreen->numVisuals;
1036 while (--visual >= pScreen->visuals) {
1037 if ((visual->class | DynamicClass) == DirectColor) {
1038 visual->offsetRed = pScrn->offset.red;
1039 visual->offsetGreen = pScrn->offset.green;
1040 visual->offsetBlue = pScrn->offset.blue;
1041 visual->redMask = pScrn->mask.red;
1042 visual->greenMask = pScrn->mask.green;
1043 visual->blueMask = pScrn->mask.blue;
1044 }
1045 }
1046
1047 /* must be after RGB ordering fixed */
1048 fbPictureInit(pScreen, 0, 0);
1049
1050 xf86SetBlackWhitePixels(pScreen);
1051 pScrn->vtSema = TRUE;
1052
1053 if (vbox_open (pScrn, pScreen, pVBox)) {
1054 vboxEnableVbva(pScrn);
1055#ifndef VBOX_WITH_GUEST_KMS_DRIVER
1056 vboxEnableGraphicsCap(pVBox);
1057#endif
1058 }
1059
1060#ifdef VBOXVIDEO_13
1061 /* Initialise CRTC and output configuration for use with randr1.2. */
1062 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1063
1064 {
1065 uint32_t i;
1066
1067 for (i = 0; i < pVBox->cScreens; ++i)
1068 {
1069 char szOutput[256];
1070
1071 /* Setup our virtual CRTCs. */
1072 pVBox->paCrtcs[i] = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1073 pVBox->paCrtcs[i]->driver_private = (void *)(uintptr_t)i;
1074
1075 /* Set up our virtual outputs. */
1076 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1077 pVBox->paOutputs[i] = xf86OutputCreate(pScrn, &VBOXOutputFuncs,
1078 szOutput);
1079
1080 /* We are not interested in the monitor section in the
1081 * configuration file. */
1082 xf86OutputUseScreenMonitor(pVBox->paOutputs[i], FALSE);
1083 pVBox->paOutputs[i]->possible_crtcs = 1 << i;
1084 pVBox->paOutputs[i]->possible_clones = 0;
1085 pVBox->paOutputs[i]->driver_private = (void *)(uintptr_t)i;
1086 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1087 (void *)pVBox->paCrtcs[i], szOutput,
1088 (void *)pVBox->paOutputs[i]);
1089 }
1090 }
1091
1092 /* Set a sane minimum and maximum mode size to match what the hardware
1093 * supports. */
1094 xf86CrtcSetSizeRange(pScrn, 64, 64, 16384, 16384);
1095
1096 /* Now create our initial CRTC/output configuration. */
1097 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1098 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1099 return (FALSE);
1100 }
1101
1102 /* Initialise randr 1.2 mode-setting functions and set first mode.
1103 * Note that the mode won't be usable until the server has resized the
1104 * framebuffer to something reasonable. */
1105 if (!xf86CrtcScreenInit(pScreen)) {
1106 return FALSE;
1107 }
1108
1109 /* Create our VBOX_MODE display properties. */
1110 {
1111 uint32_t i;
1112
1113 for (i = 0; i < pVBox->cScreens; ++i)
1114 {
1115 INT32 value = 0;
1116 RRChangeOutputProperty(pVBox->paOutputs[i]->randr_output,
1117 vboxAtomVBoxMode(), XA_INTEGER, 32,
1118 PropModeReplace, 1, &value, TRUE,
1119 FALSE);
1120
1121 }
1122 }
1123
1124 if (!xf86SetDesiredModes(pScrn)) {
1125 return FALSE;
1126 }
1127#else /* !VBOXVIDEO_13 */
1128 /* set first video mode */
1129 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1130 pScrn->currentMode->VDisplay, pScrn->frameX0,
1131 pScrn->frameY0))
1132 return FALSE;
1133 /* Save the size in case we need to re-set it later. */
1134 pVBox->FBSize.cx = pScrn->currentMode->HDisplay;
1135 pVBox->FBSize.cy = pScrn->currentMode->VDisplay;
1136 pVBox->aScreenLocation[0].cx = pScrn->currentMode->HDisplay;
1137 pVBox->aScreenLocation[0].cy = pScrn->currentMode->VDisplay;
1138 pVBox->aScreenLocation[0].x = pScrn->frameX0;
1139 pVBox->aScreenLocation[0].y = pScrn->frameY0;
1140 /* And make sure that a non-current dynamic mode is at the front of the
1141 * list */
1142 vboxWriteHostModes(pScrn, pScrn->currentMode);
1143#endif /* !VBOXVIDEO_13 */
1144
1145 /* software cursor */
1146 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1147
1148 /* colourmap code */
1149 if (!miCreateDefColormap(pScreen))
1150 return (FALSE);
1151
1152 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1153 return (FALSE);
1154
1155 pVBox->CloseScreen = pScreen->CloseScreen;
1156 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1157#ifdef VBOXVIDEO_13
1158 pScreen->SaveScreen = xf86SaveScreen;
1159#else
1160 pScreen->SaveScreen = VBOXSaveScreen;
1161#endif
1162
1163#ifdef VBOXVIDEO_13
1164 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1165#else
1166 /* We probably do want to support power management - even if we just use
1167 a dummy function. */
1168 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1169#endif
1170
1171 /* Report any unused options (only for the first generation) */
1172 if (serverGeneration == 1)
1173 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1174
1175 if (vbox_cursor_init(pScreen) != TRUE)
1176 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1177 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1178
1179#ifdef VBOX_DRI_OLD
1180 if (pVBox->useDRI)
1181 pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
1182#endif
1183 return (TRUE);
1184}
1185
1186static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1187{
1188 VBOXPtr pVBox = VBOXGetRec(pScrn);
1189
1190 TRACE_ENTRY();
1191 vboxClearVRAM(pScrn, 0, 0);
1192#ifdef VBOX_DRI_OLD
1193 if (pVBox->useDRI)
1194 DRIUnlock(xf86ScrnToScreen(pScrn));
1195#elif defined(VBOX_DRI) /* DRI2 */
1196 if (pVBox->drmFD >= 0)
1197 /* Tell the kernel driver, if present, that we are taking over. */
1198 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1199#endif
1200 if (pVBox->fHaveHGSMI)
1201 vboxEnableVbva(pScrn);
1202 /* Re-assert this in case we had a change request while switched out. */
1203 if (pVBox->FBSize.cx && pVBox->FBSize.cy)
1204 VBOXAdjustScreenPixmap(pScrn, pVBox->FBSize.cx, pVBox->FBSize.cy);
1205#ifdef VBOXVIDEO_13
1206 if (!xf86SetDesiredModes(pScrn))
1207 return FALSE;
1208#else
1209 if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
1210 pScrn->currentMode->VDisplay, pScrn->frameX0,
1211 pScrn->frameY0))
1212 return FALSE;
1213#endif
1214 return TRUE;
1215}
1216
1217static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1218{
1219 VBOXPtr pVBox = VBOXGetRec(pScrn);
1220
1221 TRACE_ENTRY();
1222 if (pVBox->fHaveHGSMI)
1223 vboxDisableVbva(pScrn);
1224 vboxClearVRAM(pScrn, 0, 0);
1225#ifndef VBOX_WITH_GUEST_KMS_DRIVER
1226 vboxDisableGraphicsCap(pVBox);
1227#endif
1228#ifdef VBOX_DRI_OLD
1229 if (pVBox->useDRI)
1230 DRILock(xf86ScrnToScreen(pScrn), 0);
1231#elif defined(VBOX_DRI) /* DRI2 */
1232 if ( pVBox->drmFD < 0
1233 /* Tell the kernel driver, if present, that it can use the framebuffer
1234 * driver again. */
1235 || drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) < 0)
1236#endif
1237 VBOXRestoreMode(pScrn);
1238 TRACE_EXIT();
1239}
1240
1241static Bool VBOXCloseScreen(ScreenPtr pScreen)
1242{
1243 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1244 VBOXPtr pVBox = VBOXGetRec(pScrn);
1245
1246 if (pScrn->vtSema)
1247 {
1248 if (pVBox->fHaveHGSMI)
1249 vboxDisableVbva(pScrn);
1250#ifndef VBOX_WITH_GUEST_KMS_DRIVER
1251 if (pScrn->vtSema)
1252 vboxDisableGraphicsCap(pVBox);
1253#endif
1254 vboxClearVRAM(pScrn, 0, 0);
1255 }
1256#ifdef VBOX_DRI
1257 if (pVBox->useDRI)
1258 VBOXDRICloseScreen(pScreen, pVBox);
1259 pVBox->useDRI = false;
1260# ifndef VBOX_DRI_OLD /* DRI2 */
1261 if ( pVBox->drmFD < 0
1262 /* Tell the kernel driver, if present, that we are going away. */
1263 || drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) < 0)
1264# endif
1265#endif
1266 if (pScrn->vtSema)
1267 VBOXRestoreMode(pScrn);
1268 if (pScrn->vtSema)
1269 VBOXUnmapVidMem(pScrn);
1270 pScrn->vtSema = FALSE;
1271
1272 /* Do additional bits which are separate for historical reasons */
1273 vbox_close(pScrn, pVBox);
1274
1275 pScreen->CloseScreen = pVBox->CloseScreen;
1276#ifndef XF86_SCRN_INTERFACE
1277 return pScreen->CloseScreen(pScreen->myNum, pScreen);
1278#else
1279 return pScreen->CloseScreen(pScreen);
1280#endif
1281}
1282
1283static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1284{
1285 VBOXPtr pVBox;
1286 Bool rc;
1287
1288 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1289#ifndef VBOXVIDEO_13
1290 pVBox = VBOXGetRec(pScrn);
1291 /* Save the size in case we need to re-set it later. */
1292 pVBox->FBSize.cx = pMode->HDisplay;
1293 pVBox->FBSize.cy = pMode->VDisplay;
1294 pVBox->aScreenLocation[0].cx = pMode->HDisplay;
1295 pVBox->aScreenLocation[0].cy = pMode->VDisplay;
1296 pVBox->aScreenLocation[0].x = pScrn->frameX0;
1297 pVBox->aScreenLocation[0].y = pScrn->frameY0;
1298#endif
1299 if (!pScrn->vtSema)
1300 {
1301 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1302 "We do not own the active VT, exiting.\n");
1303 return TRUE;
1304 }
1305#ifdef VBOXVIDEO_13
1306 rc = xf86SetSingleMode(pScrn, pMode, 0);
1307#else
1308 VBOXAdjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
1309 rc = VBOXSetMode(pScrn, 0, pMode->HDisplay, pMode->VDisplay,
1310 pScrn->frameX0, pScrn->frameY0);
1311 if (rc)
1312 {
1313 vboxWriteHostModes(pScrn, pMode);
1314 xf86PrintModes(pScrn);
1315 }
1316 if (rc && !vboxGuestIsSeamless(pScrn))
1317 vboxSaveVideoMode(pScrn, pMode->HDisplay, pMode->VDisplay,
1318 pScrn->bitsPerPixel);
1319#endif
1320 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1321 return rc;
1322}
1323
1324static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1325{
1326 VBOXPtr pVBox = VBOXGetRec(pScrn);
1327
1328 TRACE_ENTRY();
1329 pVBox->aScreenLocation[0].x = x;
1330 pVBox->aScreenLocation[0].y = y;
1331 /* Don't fiddle with the hardware if we are switched
1332 * to a virtual terminal. */
1333 if (!pScrn->vtSema)
1334 {
1335 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1336 "We do not own the active VT, exiting.\n");
1337 return;
1338 }
1339 VBOXSetMode(pScrn, 0, pVBox->aScreenLocation[0].cx,
1340 pVBox->aScreenLocation[0].cy, x, y);
1341 TRACE_EXIT();
1342}
1343
1344static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1345{
1346 /* Destroy the VGA hardware record */
1347 vgaHWFreeHWRec(pScrn);
1348 /* And our private record */
1349 free(pScrn->driverPrivate);
1350 pScrn->driverPrivate = NULL;
1351}
1352
1353static Bool
1354VBOXMapVidMem(ScrnInfoPtr pScrn)
1355{
1356 VBOXPtr pVBox = VBOXGetRec(pScrn);
1357 Bool rc = TRUE;
1358
1359 TRACE_ENTRY();
1360 if (!pVBox->base)
1361 {
1362#ifdef PCIACCESS
1363 (void) pci_device_map_range(pVBox->pciInfo,
1364 pScrn->memPhysBase,
1365 pScrn->videoRam * 1024,
1366 PCI_DEV_MAP_FLAG_WRITABLE,
1367 & pVBox->base);
1368#else
1369 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1370 VIDMEM_FRAMEBUFFER,
1371 pVBox->pciTag, pScrn->memPhysBase,
1372 (unsigned) pScrn->videoRam * 1024);
1373#endif
1374 if (!pVBox->base)
1375 rc = FALSE;
1376 }
1377 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1378 return rc;
1379}
1380
1381static void
1382VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1383{
1384 VBOXPtr pVBox = VBOXGetRec(pScrn);
1385
1386 TRACE_ENTRY();
1387 if (pVBox->base == NULL)
1388 return;
1389
1390#ifdef PCIACCESS
1391 (void) pci_device_unmap_range(pVBox->pciInfo,
1392 pVBox->base,
1393 pScrn->videoRam * 1024);
1394#else
1395 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1396 (unsigned) pScrn->videoRam * 1024);
1397#endif
1398 pVBox->base = NULL;
1399 TRACE_EXIT();
1400}
1401
1402static Bool
1403VBOXSaveScreen(ScreenPtr pScreen, int mode)
1404{
1405 (void)pScreen; (void)mode;
1406 return TRUE;
1407}
1408
1409void
1410VBOXSaveMode(ScrnInfoPtr pScrn)
1411{
1412 VBOXPtr pVBox = VBOXGetRec(pScrn);
1413 vgaRegPtr vgaReg;
1414
1415 TRACE_ENTRY();
1416 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1417 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1418 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1419 &pVBox->cSavedHeight,
1420 &pVBox->cSavedPitch,
1421 &pVBox->cSavedBPP,
1422 &pVBox->fSavedFlags);
1423}
1424
1425void
1426VBOXRestoreMode(ScrnInfoPtr pScrn)
1427{
1428 VBOXPtr pVBox = VBOXGetRec(pScrn);
1429 vgaRegPtr vgaReg;
1430
1431 TRACE_ENTRY();
1432 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1433 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1434 if (pVBox->fSavedVBEMode)
1435 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1436 pVBox->cSavedPitch, pVBox->cSavedBPP,
1437 pVBox->fSavedFlags, 0, 0);
1438 else
1439 VBoxVideoDisableVBE();
1440}
1441
1442static void
1443VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
1444 int flags)
1445{
1446 (void)pScrn; (void)mode; (void) flags;
1447}
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