3
* Linux Additions X11 graphics driver
7
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
9
* This file is part of VirtualBox Open Source Edition (OSE), as
10
* available from http://www.virtualbox.org. This file is free software;
11
* you can redistribute it and/or modify it under the terms of the GNU
12
* General Public License (GPL) as published by the Free Software
13
* Foundation, in version 2 as it comes in the "COPYING" file of the
14
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18
* Clara, CA 95054 USA or visit http://www.sun.com if you need
19
* additional information or have any questions.
20
* --------------------------------------------------------------------
22
* This code is based on:
26
* Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
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:
35
* The above copyright notice and this permission notice shall be included in
36
* all copies or substantial portions of the Software.
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
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
51
* Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br>
54
#include "xorg-server.h"
55
#include "vboxvideo.h"
56
#include "version-generated.h"
59
/* All drivers initialising the SW cursor need this */
60
#include "mipointer.h"
62
/* All drivers implementing backing store need this */
65
/* Colormap handling */
70
/* #define DPMS_SERVER
71
#include "extensions/dpms.h" */
73
/* X.org 1.3+ mode setting */
75
#include "xf86Modes.h"
77
/* Mandatory functions */
79
static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
80
static void VBOXIdentify(int flags);
82
static Bool VBOXProbe(DriverPtr drv, int flags);
84
static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
85
struct pci_device *dev, intptr_t match_data);
87
static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
88
static Bool VBOXScreenInit(int Index, ScreenPtr pScreen, int argc,
90
static Bool VBOXEnterVT(int scrnIndex, int flags);
91
static void VBOXLeaveVT(int scrnIndex, int flags);
92
static Bool VBOXCloseScreen(int scrnIndex, ScreenPtr pScreen);
93
static Bool VBOXSwitchMode(int scrnIndex, DisplayModePtr pMode, int flags);
94
static ModeStatus VBOXValidMode(int scrn, DisplayModePtr p, Bool flag, int pass);
95
static Bool VBOXSetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
96
static void VBOXAdjustFrame(int scrnIndex, int x, int y, int flags);
97
static void VBOXFreeScreen(int scrnIndex, int flags);
98
static void VBOXFreeRec(ScrnInfoPtr pScrn);
100
/* locally used functions */
101
static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
102
static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
103
static void VBOXLoadPalette(ScrnInfoPtr pScrn, int numColors,
105
LOCO *colors, VisualPtr pVisual);
106
static void SaveFonts(ScrnInfoPtr pScrn);
107
static void RestoreFonts(ScrnInfoPtr pScrn);
108
static Bool VBOXSaveRestore(ScrnInfoPtr pScrn,
109
vbeSaveRestoreFunction function);
117
static const struct pci_id_match vbox_device_match[] = {
119
VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
127
/* Supported chipsets */
128
static SymTabRec VBOXChipsets[] =
130
{VBOX_DEVICEID, "vbox"},
134
static PciChipsets VBOXPCIchipsets[] = {
135
{ VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
136
{ -1, -1, RES_UNDEFINED },
140
* This contains the functions needed by the server after loading the
141
* driver module. It must be supplied, and gets added the driver list by
142
* the Module Setup funtion in the dynamic case. In the static case a
143
* reference to this is compiled in, and this requires that the name of
144
* this DriverRec be an upper-case version of the driver name.
147
_X_EXPORT DriverRec VBOXVIDEO = {
156
VBOXAvailableOptions,
167
/* No options for now */
168
static const OptionInfoRec VBOXOptions[] = {
169
{ -1, NULL, OPTV_NONE, {0}, FALSE }
173
VBOXGetRec(ScrnInfoPtr pScrn)
175
if (!pScrn->driverPrivate) {
176
pScrn->driverPrivate = xcalloc(sizeof(VBOXRec), 1);
179
return ((VBOXPtr)pScrn->driverPrivate);
183
VBOXFreeRec(ScrnInfoPtr pScrn)
185
VBOXPtr pVBox = VBOXGetRec(pScrn);
186
xfree(pVBox->savedPal);
188
xfree(pScrn->driverPrivate);
189
pScrn->driverPrivate = NULL;
192
/* X.org 1.3+ mode-setting support ******************************************/
194
/* For descriptions of these functions and structures, see
195
hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
196
X.Org source tree. */
199
VBOXCrtcResize(ScrnInfoPtr scrn, int width, int height)
201
int bpp = scrn->bitsPerPixel;
202
ScreenPtr pScreen = scrn->pScreen;
203
PixmapPtr pPixmap = NULL;
204
VBOXPtr pVBox = VBOXGetRec(scrn);
207
TRACE_LOG("width=%d, height=%d\n", width, height);
208
/* We only support horizontal resolutions which are a multiple of 8.
209
* Round up if necessary. */
210
width = (width + 7) & ~7;
211
if (width * height * bpp / 8 >= scrn->videoRam * 1024)
213
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
214
"Unable to set up a virtual screen size of %dx%d with %d Kb of video memory. Please increase the video memory size.\n",
215
width, height, scrn->videoRam);
219
pPixmap = pScreen->GetScreenPixmap(pScreen);
220
if (NULL == pPixmap) {
221
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
222
"Failed to get the screen pixmap.\n");
228
!pScreen->ModifyPixmapHeader(pPixmap, width, height,
229
scrn->depth, bpp, width * bpp / 8,
232
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
233
"Failed to set up the screen pixmap.\n");
238
scrn->virtualX = width;
239
scrn->virtualY = height;
240
scrn->displayWidth = width;
243
VBOXDRIUpdateStride(scrn, pVBox);
245
/* Write the new values to the hardware */
246
rc = xf86SetDesiredModes(scrn);
248
TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
252
static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
257
vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
258
{ (void) crtc; (void) mode; }
261
vbox_crtc_lock (xf86CrtcPtr crtc)
262
{ (void) crtc; return FALSE; }
265
vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
266
DisplayModePtr adjusted_mode)
268
ScrnInfoPtr pScrn = crtc->scrn;
269
int xRes = adjusted_mode->HDisplay;
272
TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d\n", adjusted_mode->name,
273
adjusted_mode->HDisplay, adjusted_mode->VDisplay);
274
/* We only support horizontal resolutions which are a multiple of 8. Round down if
278
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
279
"VirtualBox only supports screen widths which are a multiple of 8. Rounding down from %d to %d\n",
280
xRes, xRes - (xRes % 8));
281
adjusted_mode->HDisplay = xRes - (xRes % 8);
287
vbox_crtc_stub (xf86CrtcPtr crtc)
291
vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
292
DisplayModePtr adjusted_mode, int x, int y)
295
TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
296
adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
297
VBOXSetMode(crtc->scrn, adjusted_mode);
298
VBOXAdjustFrame(crtc->scrn->scrnIndex, x, y, 0);
299
vboxSaveVideoMode(crtc->scrn, adjusted_mode->HDisplay,
300
adjusted_mode->VDisplay, crtc->scrn->bitsPerPixel);
304
vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
305
CARD16 *green, CARD16 *blue, int size)
306
{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
309
vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
310
{ (void) crtc; (void) width; (void) height; return NULL; }
312
static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
313
.dpms = vbox_crtc_dpms,
314
.save = NULL, /* These two are never called by the server. */
316
.lock = vbox_crtc_lock,
317
.unlock = NULL, /* This will not be invoked if lock returns FALSE. */
318
.mode_fixup = vbox_crtc_mode_fixup,
319
.prepare = vbox_crtc_stub,
320
.mode_set = vbox_crtc_mode_set,
321
.commit = vbox_crtc_stub,
322
.gamma_set = vbox_crtc_gamma_set,
323
.shadow_allocate = vbox_crtc_shadow_allocate,
324
.shadow_create = NULL, /* These two should not be invoked if allocate
326
.shadow_destroy = NULL,
327
.set_cursor_colors = NULL, /* We are still using the old cursor API. */
328
.set_cursor_position = NULL,
331
.load_cursor_argb = NULL,
332
.destroy = vbox_crtc_stub
336
vbox_output_stub (xf86OutputPtr output)
340
vbox_output_dpms (xf86OutputPtr output, int mode)
341
{ (void) output; (void) mode; }
344
vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
346
ScrnInfoPtr pScrn = output->scrn;
348
TRACE_LOG("HDisplay=%d, VDisplay=%d\n", mode->HDisplay, mode->VDisplay);
349
/* We always like modes specified by the user in the configuration
350
* file, as doing otherwise is likely to annoy people. */
351
if ( !(mode->type & M_T_USERDEF)
352
&& vbox_device_available(VBOXGetRec(pScrn))
353
&& !vboxHostLikesVideoMode(pScrn, mode->HDisplay, mode->VDisplay,
357
TRACE_LOG("returning %s\n", MODE_OK == rc ? "MODE_OK" : "MODE_BAD");
362
vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
363
DisplayModePtr adjusted_mode)
364
{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
367
vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
368
DisplayModePtr adjusted_mode)
369
{ (void) output; (void) mode; (void) adjusted_mode; }
371
/* A virtual monitor is always connected. */
372
static xf86OutputStatus
373
vbox_output_detect (xf86OutputPtr output)
376
return XF86OutputStatusConnected;
380
vbox_output_add_mode (DisplayModePtr *pModes, const char *pszName, int x, int y,
381
Bool isPreferred, Bool isUserDef)
383
TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName, x, y);
384
DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
386
pMode->status = MODE_OK;
387
/* We don't ask the host whether it likes user defined modes,
388
* as we assume that the user really wanted that mode. */
389
pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
391
pMode->type |= M_T_PREFERRED;
392
/* VBox only supports screen widths which are a multiple of 8 */
393
pMode->HDisplay = (x + 7) & ~7;
394
pMode->HSyncStart = pMode->HDisplay + 2;
395
pMode->HSyncEnd = pMode->HDisplay + 4;
396
pMode->HTotal = pMode->HDisplay + 6;
398
pMode->VSyncStart = pMode->VDisplay + 2;
399
pMode->VSyncEnd = pMode->VDisplay + 4;
400
pMode->VTotal = pMode->VDisplay + 6;
401
pMode->Clock = pMode->HTotal * pMode->VTotal * 60 / 1000; /* kHz */
402
if (NULL == pszName) {
403
xf86SetModeDefaultName(pMode);
405
pMode->name = xnfstrdup(pszName);
407
*pModes = xf86ModesAdd(*pModes, pMode);
410
static DisplayModePtr
411
vbox_output_get_modes (xf86OutputPtr output)
415
DisplayModePtr pModes = NULL;
416
ScrnInfoPtr pScrn = output->scrn;
417
VBOXPtr pVBox = VBOXGetRec(pScrn);
420
if (vbox_device_available(pVBox))
422
uint32_t x, y, bpp, display;
423
rc = vboxGetDisplayChangeRequest(pScrn, &x, &y, &bpp, &display);
424
/* @todo - check the display number once we support multiple displays. */
425
/* If we don't find a display request, see if we have a saved hint
426
* from a previous session. */
427
if (!rc || (0 == x) || (0 == y))
428
rc = vboxRetrieveVideoMode(pScrn, &x, &y, &bpp);
429
if (rc && (0 != x) && (0 != y)) {
430
/* We prefer a slightly smaller size to a slightly larger one */
432
vbox_output_add_mode(&pModes, NULL, x, y, TRUE, FALSE);
435
/* Also report any modes the user may have requested in the xorg.conf
436
* configuration file. */
437
for (i = 0; pScrn->display->modes[i] != NULL; i++)
440
if (2 == sscanf(pScrn->display->modes[i], "%dx%d", &x, &y))
441
vbox_output_add_mode(&pModes, pScrn->display->modes[i], x, y,
448
#ifdef RANDR_12_INTERFACE
449
/* We don't yet have mutable properties, whatever they are. */
451
vbox_output_set_property(xf86OutputPtr output, Atom property,
452
RRPropertyValuePtr value)
453
{ (void) output; (void) property; (void) value; return FALSE; }
456
static const xf86OutputFuncsRec VBOXOutputFuncs = {
457
.create_resources = vbox_output_stub,
458
.dpms = vbox_output_dpms,
459
.save = NULL, /* These two are never called by the server. */
461
.mode_valid = vbox_output_mode_valid,
462
.mode_fixup = vbox_output_mode_fixup,
463
.prepare = vbox_output_stub,
464
.commit = vbox_output_stub,
465
.mode_set = vbox_output_mode_set,
466
.detect = vbox_output_detect,
467
.get_modes = vbox_output_get_modes,
468
#ifdef RANDR_12_INTERFACE
469
.set_property = vbox_output_set_property,
471
.destroy = vbox_output_stub
475
/* Module loader interface */
476
static MODULESETUPPROTO(vboxSetup);
478
static XF86ModuleVersionInfo vboxVersionRec =
481
"Sun Microsystems, Inc.",
484
XORG_VERSION_CURRENT,
485
1, /* Module major version. Xorg-specific */
486
0, /* Module minor version. Xorg-specific */
487
1, /* Module patchlevel. Xorg-specific */
488
ABI_CLASS_VIDEODRV, /* This is a video driver */
489
ABI_VIDEODRV_VERSION,
495
* This data is accessed by the loader. The name must be the module name
496
* followed by "ModuleData".
498
_X_EXPORT XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
501
vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
503
static Bool Initialised = FALSE;
509
xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
511
xf86AddDriver(&VBOXVIDEO, Module, 0);
513
xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
515
return (pointer)TRUE;
519
*ErrorMajor = LDR_ONCEONLY;
523
#endif /* XFree86Loader defined */
525
static const OptionInfoRec *
526
VBOXAvailableOptions(int chipid, int busid)
528
return (VBOXOptions);
532
VBOXIdentify(int flags)
534
xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
538
* This function is called once, at the start of the first server generation to
539
* do a minimal probe for supported hardware.
544
VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
550
pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
551
NULL, NULL, NULL, NULL, NULL);
553
VBOXPtr pVBox = VBOXGetRec(pScrn);
555
pScrn->driverVersion = VBOX_VERSION;
556
pScrn->driverName = VBOX_DRIVER_NAME;
557
pScrn->name = VBOX_NAME;
559
pScrn->PreInit = VBOXPreInit;
560
pScrn->ScreenInit = VBOXScreenInit;
561
pScrn->SwitchMode = VBOXSwitchMode;
562
pScrn->ValidMode = VBOXValidMode;
563
pScrn->AdjustFrame = VBOXAdjustFrame;
564
pScrn->EnterVT = VBOXEnterVT;
565
pScrn->LeaveVT = VBOXLeaveVT;
566
pScrn->FreeScreen = VBOXFreeScreen;
568
pVBox->pciInfo = dev;
571
TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
572
return (pScrn != NULL);
578
VBOXProbe(DriverPtr drv, int flags)
580
Bool foundScreen = FALSE;
582
GDevPtr *devSections;
585
* Find the config file Device sections that match this
586
* driver, and return if there are none.
588
if ((numDevSections = xf86MatchDevice(VBOX_NAME,
593
if (xf86GetPciVideoInfo()) {
597
numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
598
VBOXChipsets, VBOXPCIchipsets,
599
devSections, numDevSections,
602
if (flags & PROBE_DETECT)
605
for (i = 0; i < numUsed; i++) {
606
ScrnInfoPtr pScrn = NULL;
607
/* Allocate a ScrnInfoRec */
608
if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
609
VBOXPCIchipsets,NULL,
610
NULL,NULL,NULL,NULL))) {
611
pScrn->driverVersion = VBOX_VERSION;
612
pScrn->driverName = VBOX_DRIVER_NAME;
613
pScrn->name = VBOX_NAME;
614
pScrn->Probe = VBOXProbe;
615
pScrn->PreInit = VBOXPreInit;
616
pScrn->ScreenInit = VBOXScreenInit;
617
pScrn->SwitchMode = VBOXSwitchMode;
618
pScrn->ValidMode = VBOXValidMode;
619
pScrn->AdjustFrame = VBOXAdjustFrame;
620
pScrn->EnterVT = VBOXEnterVT;
621
pScrn->LeaveVT = VBOXLeaveVT;
622
pScrn->FreeScreen = VBOXFreeScreen;
633
return (foundScreen);
638
* QUOTE from the XFree86 DESIGN document:
640
* The purpose of this function is to find out all the information
641
* required to determine if the configuration is usable, and to initialise
642
* those parts of the ScrnInfoRec that can be set once at the beginning of
643
* the first server generation.
647
* This includes probing for video memory, clocks, ramdac, and all other
648
* HW info that is needed. It includes determining the depth/bpp/visual
649
* and related info. It includes validating and determining the set of
650
* video modes that will be used (and anything that is required to
653
* This information should be determined in the least intrusive way
654
* possible. The state of the HW must remain unchanged by this function.
655
* Although video memory (including MMIO) may be mapped within this
656
* function, it must be unmapped before returning.
662
VBOXPreInit(ScrnInfoPtr pScrn, int flags)
665
Gamma gzeros = {0.0, 0.0, 0.0};
666
rgb rzeros = {0, 0, 0};
667
xf86OutputPtr output;
669
/* Are we really starting the server, or is this just a dummy run? */
670
if (flags & PROBE_DETECT)
673
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
674
"VirtualBox guest additions video driver version "
675
VBOX_VERSION_STRING "\n");
677
/* Get our private data from the ScrnInfoRec structure. */
678
pVBox = VBOXGetRec(pScrn);
680
/* Initialise the guest library */
681
vbox_init(pScrn->scrnIndex, pVBox);
683
/* Entity information seems to mean bus information. */
684
pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
686
/* We need the vbe module because we use VBE code to save and restore
687
text mode, in order to keep our code simple. */
688
if (!xf86LoadSubModule(pScrn, "vbe"))
691
if ((pVBox->pVbe = VBEExtendedInit(NULL, pVBox->pEnt->index,
693
| RESTORE_BIOS_SCRATCH)) == NULL)
697
if (pVBox->pEnt->location.type != BUS_PCI)
700
pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
701
pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
702
pVBox->pciInfo->device,
703
pVBox->pciInfo->func);
706
/* The ramdac module is needed for the hardware cursor. */
707
if (!xf86LoadSubModule(pScrn, "ramdac"))
710
/* The framebuffer module. */
711
if (xf86LoadSubModule(pScrn, "fb") == NULL)
714
if (!xf86LoadSubModule(pScrn, "shadowfb"))
717
/* Set up our ScrnInfoRec structure to describe our virtual
718
capabilities to X. */
720
pScrn->chipset = "vbox";
722
/* I assume that this is no longer a requirement in the config file. */
723
pScrn->monitor = pScrn->confScreen->monitor;
725
pScrn->progClock = TRUE;
728
/* Using the PCI information caused problems with non-powers-of-two
729
sized video RAM configurations */
730
pScrn->videoRam = inl(VBE_DISPI_IOPORT_DATA) / 1024;
732
/* Query the host for the preferred colour depth */
734
uint32_t cx, cy, iDisplay, cBits = 24;
736
if (vbox_device_available(pVBox))
738
/* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
739
if ( vboxGetDisplayChangeRequest(pScrn, &cx, &cy, &cBits,
745
if (!xf86SetDepthBpp(pScrn, cBits, 0, 0, Support32bppFb))
748
if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
750
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
751
"The VBox additions only support 16 and 32bpp graphics modes\n");
754
xf86PrintDepthBpp(pScrn);
757
xf86CollectOptions(pScrn, NULL);
758
if (!(pVBox->Options = xalloc(sizeof(VBOXOptions))))
760
memcpy(pVBox->Options, VBOXOptions, sizeof(VBOXOptions));
761
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pVBox->Options);
763
/* Initialise CRTC and output configuration for use with randr1.2. */
764
xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
766
/* Setup our single virtual CRTC. */
767
xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
769
/* Set up our single virtual output. */
770
output = xf86OutputCreate(pScrn, &VBOXOutputFuncs, "VBOX1");
772
/* Set a sane minimum and maximum mode size */
773
xf86CrtcSetSizeRange(pScrn, 64, 64, 32000, 32000);
775
/* We are not interested in the monitor section in the configuration file. */
776
xf86OutputUseScreenMonitor(output, FALSE);
777
output->possible_crtcs = 1;
778
output->possible_clones = 0;
780
/* Now create our initial CRTC/output configuration. */
781
if (!xf86InitialConfiguration(pScrn, TRUE)) {
782
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
786
/* Colour weight - we always call this, since we are always in
788
if (!xf86SetWeight(pScrn, rzeros, rzeros))
792
if (!xf86SetDefaultVisual(pScrn, -1))
795
xf86SetGamma(pScrn, gzeros);
797
/* Set a default display resolution. */
798
xf86SetDpi(pScrn, 96, 96);
800
/* Framebuffer-related setup */
801
pScrn->bitmapBitOrder = BITMAP_BIT_ORDER;
804
/* Load the dri module. */
805
if (!xf86LoadSubModule(pScrn, "dri"))
812
* This function hooks into the chain that is called when framebuffer access
813
* is allowed or disallowed by a call to EnableDisableFBAccess in the server.
814
* In other words, it observes when the server wishes access to the
815
* framebuffer to be enabled and when it should be disabled. We need to know
816
* this because we disable access ourselves during mode switches (presumably
817
* the server should do this but it doesn't) and want to know whether to
818
* restore it or not afterwards.
821
vboxEnableDisableFBAccess(int scrnIndex, Bool enable)
823
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
824
VBOXPtr pVBox = VBOXGetRec(pScrn);
826
TRACE_LOG("enable=%s\n", enable ? "TRUE" : "FALSE");
827
pVBox->accessEnabled = enable;
828
pVBox->EnableDisableFBAccess(scrnIndex, enable);
833
* QUOTE from the XFree86 DESIGN document:
835
* This is called at the start of each server generation.
839
* Decide which operations need to be placed under resource access
840
* control. (...) Map any video memory or other memory regions. (...)
841
* Save the video card state. (...) Initialise the initial video
844
* End QUOTE.Initialise the initial video mode.
847
VBOXScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
849
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
850
VBOXPtr pVBox = VBOXGetRec(pScrn);
854
if (pVBox->mapPhys == 0) {
856
pVBox->mapPhys = pVBox->pciInfo->regions[0].base_addr;
858
pVBox->mapPhys = pVBox->pciInfo->memBase[0];
860
/* pVBox->mapSize = 1 << pVBox->pciInfo->size[0]; */
861
/* Using the PCI information caused problems with
862
non-powers-of-two sized video RAM configurations */
863
pVBox->mapSize = inl(VBE_DISPI_IOPORT_DATA);
867
if (!VBOXMapVidMem(pScrn))
870
/* save current video state */
871
VBOXSaveRestore(pScrn, MODE_SAVE);
872
pVBox->savedPal = VBESetGetPaletteData(pVBox->pVbe, FALSE, 0, 256,
875
/* mi layer - reset the visual list (?)*/
876
miClearVisualTypes();
877
if (!xf86SetDefaultVisual(pScrn, -1))
879
if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
880
pScrn->rgbBits, TrueColor))
882
if (!miSetPixmapDepths())
885
/* Needed before we initialise DRI. */
886
pScrn->virtualX = (pScrn->virtualX + 7) & ~7;
887
pScrn->displayWidth = pScrn->virtualX;
890
pVBox->useDRI = VBOXDRIScreenInit(scrnIndex, pScreen, pVBox);
893
/* I checked in the sources, and XFree86 4.2 does seem to support
894
this function for 32bpp. */
895
if (!fbScreenInit(pScreen, pVBox->base,
896
pScrn->virtualX, pScrn->virtualY,
897
pScrn->xDpi, pScrn->yDpi,
898
pScrn->displayWidth, pScrn->bitsPerPixel))
901
/* Fixup RGB ordering */
902
visual = pScreen->visuals + pScreen->numVisuals;
903
while (--visual >= pScreen->visuals) {
904
if ((visual->class | DynamicClass) == DirectColor) {
905
visual->offsetRed = pScrn->offset.red;
906
visual->offsetGreen = pScrn->offset.green;
907
visual->offsetBlue = pScrn->offset.blue;
908
visual->redMask = pScrn->mask.red;
909
visual->greenMask = pScrn->mask.green;
910
visual->blueMask = pScrn->mask.blue;
914
/* must be after RGB ordering fixed */
915
fbPictureInit(pScreen, 0, 0);
917
xf86SetBlackWhitePixels(pScreen);
918
miInitializeBackingStore(pScreen);
919
xf86SetBackingStore(pScreen);
921
/* We need to keep track of whether we are currently switched to a virtual
922
* terminal to know whether a mode set operation is currently safe to do.
924
pVBox->vtSwitch = FALSE;
925
/* Initialise DGA. The cast is unfortunately correct - it gets cast back
926
to (unsigned char *) later. */
927
xf86DiDGAInit(pScreen, (unsigned long) pVBox->base);
929
/* Initialise randr 1.2 mode-setting functions and set first mode. */
930
if (!xf86CrtcScreenInit(pScreen)) {
934
if (!xf86SetDesiredModes(pScrn)) {
938
/* software cursor */
939
miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
942
if (!miCreateDefColormap(pScreen))
945
flags = CMAP_RELOAD_ON_MODE_SWITCH;
947
if(!xf86HandleColormaps(pScreen, 256,
948
8 /* DAC is switchable to 8 bits per primary color */,
949
VBOXLoadPalette, NULL, flags))
952
/* Hook our observer function ito the chain which is called when
953
* framebuffer access is enabled or disabled in the server, and
954
* assume an initial state of enabled. */
955
pVBox->accessEnabled = TRUE;
956
pVBox->EnableDisableFBAccess = pScrn->EnableDisableFBAccess;
957
pScrn->EnableDisableFBAccess = vboxEnableDisableFBAccess;
959
pVBox->CloseScreen = pScreen->CloseScreen;
960
pScreen->CloseScreen = VBOXCloseScreen;
961
pScreen->SaveScreen = xf86SaveScreen;
963
/* We probably do want to support power management - even if we just use
965
xf86DPMSInit(pScreen, xf86DPMSSet, 0);
967
/* Report any unused options (only for the first generation) */
968
if (serverGeneration == 1)
969
xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
971
if (vbox_device_available(pVBox) && vbox_open (pScrn, pScreen, pVBox)) {
972
if (vbox_cursor_init(pScreen) != TRUE)
973
xf86DrvMsg(scrnIndex, X_ERROR,
974
"Unable to start the VirtualBox mouse pointer integration with the host system.\n");
975
if (vboxEnableVbva(pScrn) == TRUE)
976
xf86DrvMsg(scrnIndex, X_INFO,
977
"The VBox video extensions are now enabled.\n");
978
vboxEnableGraphicsCap(pVBox);
983
pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
989
VBOXEnterVT(int scrnIndex, int flags)
991
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
992
VBOXPtr pVBox = VBOXGetRec(pScrn);
996
pVBox->vtSwitch = FALSE;
999
DRIUnlock(screenInfo.screens[scrnIndex]);
1001
rc = xf86SetDesiredModes(pScrn);
1002
TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1007
VBOXLeaveVT(int scrnIndex, int flags)
1009
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
1010
VBOXPtr pVBox = VBOXGetRec(pScrn);
1013
pVBox->vtSwitch = TRUE;
1014
VBOXSaveRestore(pScrn, MODE_RESTORE);
1015
if (vbox_device_available(pVBox))
1017
if (pVBox->useVbva == TRUE)
1018
vboxDisableVbva(pScrn);
1019
vboxDisableGraphicsCap(pVBox);
1023
DRILock(screenInfo.screens[scrnIndex], 0);
1029
VBOXCloseScreen(int scrnIndex, ScreenPtr pScreen)
1031
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
1032
VBOXPtr pVBox = VBOXGetRec(pScrn);
1036
VBOXDRICloseScreen(pScreen, pVBox);
1037
pVBox->useDRI = false;
1040
if (vbox_device_available(pVBox))
1042
if (TRUE == pVBox->useVbva)
1043
vboxDisableVbva(pScrn);
1044
vboxDisableGraphicsCap(pVBox);
1046
if (pScrn->vtSema) {
1047
VBOXSaveRestore(xf86Screens[scrnIndex], MODE_RESTORE);
1048
if (pVBox->savedPal)
1049
VBESetGetPaletteData(pVBox->pVbe, TRUE, 0, 256,
1050
pVBox->savedPal, FALSE, TRUE);
1051
VBOXUnmapVidMem(pScrn);
1053
pScrn->vtSema = FALSE;
1055
/* Remove our observer functions from the X server call chains. */
1056
pScrn->EnableDisableFBAccess = pVBox->EnableDisableFBAccess;
1057
pScreen->CloseScreen = pVBox->CloseScreen;
1058
return pScreen->CloseScreen(scrnIndex, pScreen);
1062
* Quoted from "How to add an (S)VGA driver to XFree86"
1063
* (http://www.xfree86.org/3.3.6/VGADriver.html):
1065
* The ValidMode() function is required. It is used to check for any
1066
* chipset-dependent reasons why a graphics mode might not be valid. It gets
1067
* called by higher levels of the code after the Probe() stage. In many cases
1068
* no special checking will be required and this function will simply return
1071
* Note: we check here that our generated video modes fulfil the X server's
1072
* criteria for the monitor, since this can otherwise cause problems in
1076
VBOXValidMode(int scrn, DisplayModePtr p, Bool flag, int pass)
1078
static int warned = 0;
1079
ScrnInfoPtr pScrn = xf86Screens[scrn];
1080
MonPtr mon = pScrn->monitor;
1081
ModeStatus ret = MODE_BAD;
1082
DisplayModePtr mode;
1085
TRACE_LOG("HDisplay=%d, VDisplay=%d, flag=%s, pass=%d\n",
1086
p->HDisplay, p->VDisplay, flag ? "TRUE" : "FALSE", pass);
1087
if (pass != MODECHECK_FINAL) {
1089
xf86DrvMsg(scrn, X_WARNING, "VBOXValidMode called unexpectedly\n");
1095
* First off, if this isn't a mode we handed to the server (ie,
1096
* M_T_BUILTIN), then we reject it out of hand.
1098
if (!(p->type & M_T_BUILTIN))
1102
* Finally, walk through the vsync rates 1Hz at a time looking for a mode
1103
* that will fit. This is assuredly a terrible way to do this, but
1104
* there's no obvious method for computing a mode of a given size that
1105
* will pass xf86CheckModeForMonitor.
1107
for (v = mon->vrefresh[0].lo; v <= mon->vrefresh[0].hi; v++) {
1108
mode = xf86CVTMode(p->HDisplay, p->VDisplay, v, 0, 0);
1109
ret = xf86CheckModeForMonitor(mode, mon);
1117
xf86DrvMsg(scrn, X_WARNING, "Graphics mode %s rejected by the X server\n", p->name);
1119
TRACE_LOG("returning %d\n", ret);
1124
VBOXSwitchMode(int scrnIndex, DisplayModePtr pMode, int flags)
1130
TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1131
pScrn = xf86Screens[scrnIndex]; /* Why does X have three ways of refering to the screen? */
1132
pVBox = VBOXGetRec(pScrn);
1133
/* We want to disable access to the framebuffer before switching mode.
1134
* After doing the switch, we allow access if it was allowed before. */
1135
if (pVBox->accessEnabled)
1136
pVBox->EnableDisableFBAccess(scrnIndex, FALSE);
1137
rc = xf86SetSingleMode(pScrn, pMode, 0);
1138
if (pVBox->accessEnabled)
1139
pVBox->EnableDisableFBAccess(scrnIndex, TRUE);
1140
TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1144
/* Set a graphics mode. Poke the required values into registers, enable
1145
guest-host acceleration functions and tell the host we support advanced
1146
graphics functions. */
1148
VBOXSetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1153
int bpp = pScrn->depth == 24 ? 32 : 16;
1154
TRACE_LOG("HDisplay=%d, VDisplay=%d, displayWidth=%d\n",
1155
pMode->HDisplay, pMode->VDisplay, pScrn->displayWidth);
1156
pVBox = VBOXGetRec(pScrn);
1157
/* Don't fiddle with the hardware if we are switched
1158
* to a virtual terminal. */
1159
if (!pVBox->vtSwitch)
1161
if ( vbox_device_available(pVBox)
1162
&& (TRUE == pVBox->useVbva)
1163
&& (vboxDisableVbva(pScrn) != TRUE)
1164
) /* This would be bad. */
1168
/* Disable linear framebuffer mode before making changes to the resolution. */
1169
outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ENABLE);
1170
outw(VBE_DISPI_IOPORT_DATA, VBE_DISPI_DISABLED);
1171
/* Unlike the resolution, the depth is fixed for a given screen
1172
for the lifetime of the X session. */
1173
outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_BPP);
1174
outw(VBE_DISPI_IOPORT_DATA, bpp);
1175
/* HDisplay and VDisplay are actually monitor information about
1176
the display part of the scanlines. */
1177
outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_XRES);
1178
outw(VBE_DISPI_IOPORT_DATA, pMode->HDisplay);
1179
outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_YRES);
1180
outw(VBE_DISPI_IOPORT_DATA, pMode->VDisplay);
1181
/* Set the virtual resolution. We are still using VESA to control
1182
the virtual offset. */
1183
outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_VIRT_WIDTH);
1184
outw(VBE_DISPI_IOPORT_DATA, pScrn->displayWidth);
1185
/* Enable linear framebuffer mode. */
1186
outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ENABLE);
1187
outw(VBE_DISPI_IOPORT_DATA,
1188
VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);
1189
/* Enable acceleration and tell the host we support graphics */
1190
if (vbox_device_available(pVBox))
1192
if ((TRUE == pVBox->useVbva) && (vboxEnableVbva(pScrn) != TRUE))
1193
/* Bad but not fatal */
1194
pVBox->useVbva = FALSE;
1195
vboxEnableGraphicsCap(pVBox);
1199
TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1204
VBOXAdjustFrame(int scrnIndex, int x, int y, int flags)
1206
VBOXPtr pVBox = VBOXGetRec(xf86Screens[scrnIndex]);
1207
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
1210
/* Don't fiddle with the hardware if we are switched
1211
* to a virtual terminal. */
1212
if (!pVBox->vtSwitch) {
1213
pVBox->viewportX = x;
1214
pVBox->viewportY = y;
1215
/* If VBVA is enabled the graphics card will not notice the change. */
1216
if (pVBox->useVbva == TRUE)
1217
vboxDisableVbva(pScrn);
1218
VBESetDisplayStart(pVBox->pVbe, x, y, TRUE);
1219
if (pVBox->useVbva == TRUE)
1220
vboxEnableVbva(pScrn);
1226
VBOXFreeScreen(int scrnIndex, int flags)
1228
VBOXFreeRec(xf86Screens[scrnIndex]);
1232
VBOXMapVidMem(ScrnInfoPtr pScrn)
1234
VBOXPtr pVBox = VBOXGetRec(pScrn);
1238
if (NULL == pVBox->base)
1240
pScrn->memPhysBase = pVBox->mapPhys;
1241
pScrn->fbOffset = pVBox->mapOff;
1244
(void) pci_device_map_range(pVBox->pciInfo,
1247
PCI_DEV_MAP_FLAG_WRITABLE,
1251
pScrn->memPhysBase = pVBox->mapPhys;
1252
pVBox->VGAbase = xf86MapDomainMemory(pScrn->scrnIndex, 0,
1257
pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1259
pVBox->pciTag, pVBox->mapPhys,
1260
(unsigned) pVBox->mapSize);
1263
pScrn->memPhysBase = pVBox->mapPhys;
1264
pVBox->VGAbase = xf86MapDomainMemory(pScrn->scrnIndex, 0,
1269
/* We need this for saving/restoring textmode */
1270
pVBox->ioBase = pScrn->domainIOBase;
1272
rc = pVBox->base != NULL;
1274
TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1279
VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1281
VBOXPtr pVBox = VBOXGetRec(pScrn);
1284
if (pVBox->base == NULL)
1288
(void) pci_device_unmap_range(pVBox->pciInfo,
1291
xf86UnMapVidMem(pScrn->scrnIndex, pVBox->VGAbase, 0x10000);
1293
xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1294
(unsigned) pVBox->mapSize);
1295
xf86UnMapVidMem(pScrn->scrnIndex, pVBox->VGAbase, 0x10000);
1302
VBOXLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
1303
LOCO *colors, VisualPtr pVisual)
1305
VBOXPtr pVBox = VBOXGetRec(pScrn);
1307
#define VBOXDACDelay() \
1309
(void)inb(pVBox->ioBase + VGA_IOBASE_COLOR + VGA_IN_STAT_1_OFFSET); \
1310
(void)inb(pVBox->ioBase + VGA_IOBASE_COLOR + VGA_IN_STAT_1_OFFSET); \
1314
for (i = 0; i < numColors; i++) {
1316
outb(pVBox->ioBase + VGA_DAC_WRITE_ADDR, idx);
1318
outb(pVBox->ioBase + VGA_DAC_DATA, colors[idx].red);
1320
outb(pVBox->ioBase + VGA_DAC_DATA, colors[idx].green);
1322
outb(pVBox->ioBase + VGA_DAC_DATA, colors[idx].blue);
1329
* Just adapted from the std* functions in vgaHW.c
1332
WriteAttr(VBOXPtr pVBox, int index, int value)
1334
(void) inb(pVBox->ioBase + VGA_IOBASE_COLOR + VGA_IN_STAT_1_OFFSET);
1337
outb(pVBox->ioBase + VGA_ATTR_INDEX, index);
1338
outb(pVBox->ioBase + VGA_ATTR_DATA_W, value);
1342
ReadAttr(VBOXPtr pVBox, int index)
1344
(void) inb(pVBox->ioBase + VGA_IOBASE_COLOR + VGA_IN_STAT_1_OFFSET);
1347
outb(pVBox->ioBase + VGA_ATTR_INDEX, index);
1348
return (inb(pVBox->ioBase + VGA_ATTR_DATA_R));
1351
#define WriteMiscOut(value) outb(pVBox->ioBase + VGA_MISC_OUT_W, value)
1352
#define ReadMiscOut() inb(pVBox->ioBase + VGA_MISC_OUT_R)
1353
#define WriteSeq(index, value) \
1354
outb(pVBox->ioBase + VGA_SEQ_INDEX, (index));\
1355
outb(pVBox->ioBase + VGA_SEQ_DATA, value)
1358
ReadSeq(VBOXPtr pVBox, int index)
1360
outb(pVBox->ioBase + VGA_SEQ_INDEX, index);
1362
return (inb(pVBox->ioBase + VGA_SEQ_DATA));
1365
#define WriteGr(index, value) \
1366
outb(pVBox->ioBase + VGA_GRAPH_INDEX, index); \
1367
outb(pVBox->ioBase + VGA_GRAPH_DATA, value)
1370
ReadGr(VBOXPtr pVBox, int index)
1372
outb(pVBox->ioBase + VGA_GRAPH_INDEX, index);
1374
return (inb(pVBox->ioBase + VGA_GRAPH_DATA));
1377
#define WriteCrtc(index, value) \
1378
outb(pVBox->ioBase + (VGA_IOBASE_COLOR + VGA_CRTC_INDEX_OFFSET), index); \
1379
outb(pVBox->ioBase + (VGA_IOBASE_COLOR + VGA_CRTC_DATA_OFFSET), value)
1382
SeqReset(VBOXPtr pVBox, Bool start)
1385
WriteSeq(0x00, 0x01); /* Synchronous Reset */
1388
WriteSeq(0x00, 0x03); /* End Reset */
1393
SaveFonts(ScrnInfoPtr pScrn)
1395
VBOXPtr pVBox = VBOXGetRec(pScrn);
1396
unsigned char miscOut, attr10, gr4, gr5, gr6, seq2, seq4, scrn;
1400
if (pVBox->fonts != NULL)
1405
/* If in graphics mode, don't save anything */
1406
attr10 = ReadAttr(pVBox, 0x10);
1413
pVBox->fonts = xalloc(16384);
1415
/* save the registers that are needed here */
1416
miscOut = ReadMiscOut();
1417
gr4 = ReadGr(pVBox, 0x04);
1418
gr5 = ReadGr(pVBox, 0x05);
1419
gr6 = ReadGr(pVBox, 0x06);
1420
seq2 = ReadSeq(pVBox, 0x02);
1421
seq4 = ReadSeq(pVBox, 0x04);
1423
/* Force into colour mode */
1424
WriteMiscOut(miscOut | 0x01);
1426
scrn = ReadSeq(pVBox, 0x01) | 0x20;
1427
SeqReset(pVBox, TRUE);
1428
WriteSeq(0x01, scrn);
1429
SeqReset(pVBox, FALSE);
1431
WriteAttr(pVBox, 0x10, 0x01); /* graphics mode */
1434
WriteSeq(0x02, 0x04); /* write to plane 2 */
1435
WriteSeq(0x04, 0x06); /* enable plane graphics */
1436
WriteGr(0x04, 0x02); /* read plane 2 */
1437
WriteGr(0x05, 0x00); /* write mode 0, read mode 0 */
1438
WriteGr(0x06, 0x05); /* set graphics */
1439
slowbcopy_frombus(pVBox->VGAbase, pVBox->fonts, 8192);
1442
WriteSeq(0x02, 0x08); /* write to plane 3 */
1443
WriteSeq(0x04, 0x06); /* enable plane graphics */
1444
WriteGr(0x04, 0x03); /* read plane 3 */
1445
WriteGr(0x05, 0x00); /* write mode 0, read mode 0 */
1446
WriteGr(0x06, 0x05); /* set graphics */
1447
slowbcopy_frombus(pVBox->VGAbase, pVBox->fonts + 8192, 8192);
1449
scrn = ReadSeq(pVBox, 0x01) & ~0x20;
1450
SeqReset(pVBox, TRUE);
1451
WriteSeq(0x01, scrn);
1452
SeqReset(pVBox, FALSE);
1454
/* Restore clobbered registers */
1455
WriteAttr(pVBox, 0x10, attr10);
1456
WriteSeq(0x02, seq2);
1457
WriteSeq(0x04, seq4);
1461
WriteMiscOut(miscOut);
1467
RestoreFonts(ScrnInfoPtr pScrn)
1469
VBOXPtr pVBox = VBOXGetRec(pScrn);
1470
unsigned char miscOut, attr10, gr1, gr3, gr4, gr5, gr6, gr8, seq2, seq4, scrn;
1473
if (pVBox->fonts != NULL)
1475
/* save the registers that are needed here */
1476
miscOut = ReadMiscOut();
1477
attr10 = ReadAttr(pVBox, 0x10);
1478
gr1 = ReadGr(pVBox, 0x01);
1479
gr3 = ReadGr(pVBox, 0x03);
1480
gr4 = ReadGr(pVBox, 0x04);
1481
gr5 = ReadGr(pVBox, 0x05);
1482
gr6 = ReadGr(pVBox, 0x06);
1483
gr8 = ReadGr(pVBox, 0x08);
1484
seq2 = ReadSeq(pVBox, 0x02);
1485
seq4 = ReadSeq(pVBox, 0x04);
1487
/* Force into colour mode */
1488
WriteMiscOut(miscOut | 0x01);
1490
scrn = ReadSeq(pVBox, 0x01) & ~0x20;
1491
SeqReset(pVBox, TRUE);
1492
WriteSeq(0x01, scrn);
1493
SeqReset(pVBox, FALSE);
1495
WriteAttr(pVBox, 0x10, 0x01); /* graphics mode */
1496
if (pScrn->depth == 4) {
1498
WriteGr(0x03, 0x00); /* don't rotate, write unmodified */
1499
WriteGr(0x08, 0xFF); /* write all bits in a byte */
1500
WriteGr(0x01, 0x00); /* all planes come from CPU */
1503
WriteSeq(0x02, 0x04); /* write to plane 2 */
1504
WriteSeq(0x04, 0x06); /* enable plane graphics */
1505
WriteGr(0x04, 0x02); /* read plane 2 */
1506
WriteGr(0x05, 0x00); /* write mode 0, read mode 0 */
1507
WriteGr(0x06, 0x05); /* set graphics */
1508
slowbcopy_tobus(pVBox->fonts, pVBox->VGAbase, 8192);
1510
WriteSeq(0x02, 0x08); /* write to plane 3 */
1511
WriteSeq(0x04, 0x06); /* enable plane graphics */
1512
WriteGr(0x04, 0x03); /* read plane 3 */
1513
WriteGr(0x05, 0x00); /* write mode 0, read mode 0 */
1514
WriteGr(0x06, 0x05); /* set graphics */
1515
slowbcopy_tobus(pVBox->fonts + 8192, pVBox->VGAbase, 8192);
1517
scrn = ReadSeq(pVBox, 0x01) & ~0x20;
1518
SeqReset(pVBox, TRUE);
1519
WriteSeq(0x01, scrn);
1520
SeqReset(pVBox, FALSE);
1522
/* restore the registers that were changed */
1523
WriteMiscOut(miscOut);
1524
WriteAttr(pVBox, 0x10, attr10);
1531
WriteSeq(0x02, seq2);
1532
WriteSeq(0x04, seq4);
1538
VBOXSaveRestore(ScrnInfoPtr pScrn, vbeSaveRestoreFunction function)
1544
if (MODE_QUERY < 0 || function > MODE_RESTORE)
1549
pVBox = VBOXGetRec(pScrn);
1551
/* Query amount of memory to save state */
1552
if (function == MODE_QUERY ||
1553
(function == MODE_SAVE && pVBox->state == NULL))
1556
/* Make sure we save at least this information in case of failure */
1557
(void)VBEGetVBEMode(pVBox->pVbe, &pVBox->stateMode);
1560
if (!VBESaveRestore(pVBox->pVbe,function,(pointer)&pVBox->state,
1561
&pVBox->stateSize,&pVBox->statePage)
1568
/* Save/Restore Super VGA state */
1569
if (function != MODE_QUERY) {
1571
if (function == MODE_RESTORE)
1572
memcpy(pVBox->state, pVBox->pstate,
1573
(unsigned) pVBox->stateSize);
1575
if ( (rc = VBESaveRestore(pVBox->pVbe,function,
1576
(pointer)&pVBox->state,
1577
&pVBox->stateSize,&pVBox->statePage)
1579
&& (function == MODE_SAVE)
1582
/* don't rely on the memory not being touched */
1583
if (pVBox->pstate == NULL)
1584
pVBox->pstate = xalloc(pVBox->stateSize);
1585
memcpy(pVBox->pstate, pVBox->state,
1586
(unsigned) pVBox->stateSize);
1589
if (function == MODE_RESTORE)
1591
VBESetVBEMode(pVBox->pVbe, pVBox->stateMode, NULL);
1592
RestoreFonts(pScrn);
1596
TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
added
removed
src/VBox/Additions/x11/vboxvideo/vboxvideo_15.c
