VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 55402

Last change on this file since 55402 was 55402, checked in by vboxsync, 10 years ago

Additions/x11/vboxvideo: header file inclusion clean-up.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 52.3 KB
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1/* $Id: vboxvideo.c 55402 2015-04-23 10:07:14Z 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#include "vboxvideo.h"
58#include <VBox/VBoxGuest.h>
59#include <VBox/Hardware/VBoxVideoVBE.h>
60#include "version-generated.h"
61#include "product-generated.h"
62
63/* Basic definitions and functions needed by all drivers. */
64#include "xf86.h"
65/* For video memory mapping. */
66#include "xf86_OSproc.h"
67#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
68/* PCI resources. */
69# include "xf86Resources.h"
70#endif
71/* Generic server linear frame-buffer APIs. */
72#include "fb.h"
73/* Colormap and visual handling. */
74#include "micmap.h"
75#include "xf86cmap.h"
76/* ShadowFB support */
77#include "shadowfb.h"
78/* VGA hardware functions for setting and restoring text mode */
79#include "vgaHW.h"
80#ifdef VBOX_DRI
81# include "xf86drm.h"
82# include "xf86drmMode.h"
83#endif
84#ifdef VBOXVIDEO_13
85/* X.org 1.3+ mode setting */
86# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
87# include "xf86Crtc.h"
88# include "xf86Modes.h"
89#endif
90/* For setting the root window property. */
91#include "property.h"
92#include "X11/Xatom.h"
93
94#ifdef XORG_7X
95# include <stdlib.h>
96# include <string.h>
97#endif
98
99/* This was accepted upstream in X.Org Server 1.16 which bumped the video
100 * driver ABI to 17. */
101#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 17
102# define SET_HAVE_VT_PROPERTY
103#endif
104
105/* Mandatory functions */
106
107static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
108static void VBOXIdentify(int flags);
109#ifndef PCIACCESS
110static Bool VBOXProbe(DriverPtr drv, int flags);
111#else
112static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
113 struct pci_device *dev, intptr_t match_data);
114#endif
115static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
116static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
117static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
118static void VBOXLeaveVT(ScrnInfoPtr pScrn);
119static Bool VBOXCloseScreen(ScreenPtr pScreen);
120static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
121static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
122static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
123static void VBOXFreeScreen(ScrnInfoPtr pScrn);
124static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
125 int flags);
126
127/* locally used functions */
128static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
129static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
130static void VBOXSaveMode(ScrnInfoPtr pScrn);
131static void VBOXRestoreMode(ScrnInfoPtr pScrn);
132static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime);
133
134#ifndef XF86_SCRN_INTERFACE
135# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
136# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
137#endif
138
139static inline void VBOXSetRec(ScrnInfoPtr pScrn)
140{
141 if (!pScrn->driverPrivate)
142 {
143 VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1);
144 pScrn->driverPrivate = pVBox;
145#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
146 pVBox->fdACPIDevices = -1;
147#endif
148 }
149}
150
151enum GenericTypes
152{
153 CHIP_VBOX_GENERIC
154};
155
156#ifdef PCIACCESS
157static const struct pci_id_match vbox_device_match[] = {
158 {
159 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
160 0, 0, 0
161 },
162
163 { 0, 0, 0 },
164};
165#endif
166
167/* Supported chipsets */
168static SymTabRec VBOXChipsets[] =
169{
170 {VBOX_DEVICEID, "vbox"},
171 {-1, NULL}
172};
173
174static PciChipsets VBOXPCIchipsets[] = {
175 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
176 { -1, -1, RES_UNDEFINED },
177};
178
179/*
180 * This contains the functions needed by the server after loading the
181 * driver module. It must be supplied, and gets added the driver list by
182 * the Module Setup function in the dynamic case. In the static case a
183 * reference to this is compiled in, and this requires that the name of
184 * this DriverRec be an upper-case version of the driver name.
185 */
186
187#ifdef XORG_7X
188_X_EXPORT
189#endif
190DriverRec VBOXVIDEO = {
191 VBOX_VERSION,
192 VBOX_DRIVER_NAME,
193 VBOXIdentify,
194#ifdef PCIACCESS
195 NULL,
196#else
197 VBOXProbe,
198#endif
199 VBOXAvailableOptions,
200 NULL,
201 0,
202#ifdef XORG_7X
203 NULL,
204#endif
205#ifdef PCIACCESS
206 vbox_device_match,
207 VBOXPciProbe
208#endif
209};
210
211/* No options for now */
212static const OptionInfoRec VBOXOptions[] = {
213 { -1, NULL, OPTV_NONE, {0}, FALSE }
214};
215
216#ifndef XORG_7X
217/*
218 * List of symbols from other modules that this module references. This
219 * list is used to tell the loader that it is OK for symbols here to be
220 * unresolved providing that it hasn't been told that they haven't been
221 * told that they are essential via a call to xf86LoaderReqSymbols() or
222 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
223 * unresolved symbols that are not required.
224 */
225static const char *fbSymbols[] = {
226 "fbPictureInit",
227 "fbScreenInit",
228 NULL
229};
230
231static const char *shadowfbSymbols[] = {
232 "ShadowFBInit2",
233 NULL
234};
235
236static const char *ramdacSymbols[] = {
237 "xf86DestroyCursorInfoRec",
238 "xf86InitCursor",
239 "xf86CreateCursorInfoRec",
240 NULL
241};
242
243static const char *vgahwSymbols[] = {
244 "vgaHWFreeHWRec",
245 "vgaHWGetHWRec",
246 "vgaHWGetIOBase",
247 "vgaHWGetIndex",
248 "vgaHWRestore",
249 "vgaHWSave",
250 "vgaHWSetStdFuncs",
251 NULL
252};
253#endif /* !XORG_7X */
254
255/** Resize the virtual framebuffer. */
256static Bool adjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height)
257{
258 ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
259 VBOXPtr pVBox = VBOXGetRec(pScrn);
260 int adjustedWidth = pScrn->bitsPerPixel == 16 ? (width + 1) & ~1 : width;
261 int cbLine = adjustedWidth * pScrn->bitsPerPixel / 8;
262 PixmapPtr pPixmap;
263 int rc;
264
265 TRACE_LOG("width=%d, height=%d\n", width, height);
266 VBVXASSERT(width >= 0 && height >= 0, ("Invalid negative width (%d) or height (%d)\n", width, height));
267 if (pScreen == NULL) /* Not yet initialised. */
268 return TRUE;
269 pPixmap = pScreen->GetScreenPixmap(pScreen);
270 VBVXASSERT(pPixmap != NULL, ("Failed to get the screen pixmap.\n"));
271 TRACE_LOG("pPixmap=%p adjustedWidth=%d height=%d pScrn->depth=%d pScrn->bitsPerPixel=%d cbLine=%d pVBox->base=%p pPixmap->drawable.width=%d pPixmap->drawable.height=%d\n",
272 pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base, pPixmap->drawable.width,
273 pPixmap->drawable.height);
274 if ( adjustedWidth != pPixmap->drawable.width
275 || height != pPixmap->drawable.height)
276 {
277 if ( adjustedWidth > VBOX_VIDEO_MAX_VIRTUAL || height > VBOX_VIDEO_MAX_VIRTUAL
278 || (unsigned)cbLine * (unsigned)height >= pVBox->cbFBMax)
279 {
280 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
281 "Virtual framebuffer %dx%d too large. For information, video memory: %u Kb.\n",
282 adjustedWidth, height, (unsigned) pVBox->cbFBMax / 1024);
283 return FALSE;
284 }
285 vbvxClearVRAM(pScrn, pScrn->virtualX * pScrn->virtualY * pScrn->bitsPerPixel / 8,
286 adjustedWidth * height * pScrn->bitsPerPixel / 8);
287 pScreen->ModifyPixmapHeader(pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base);
288 }
289 pScrn->displayWidth = pScrn->virtualX = adjustedWidth;
290 pScrn->virtualY = height;
291#ifdef VBOX_DRI_OLD
292 if (pVBox->useDRI)
293 VBOXDRIUpdateStride(pScrn, pVBox);
294#endif
295 return TRUE;
296}
297
298/** Set a video mode to the hardware, RandR 1.1 version. Since we no longer do
299 * virtual frame buffers, adjust the screen pixmap dimensions to match. */
300static void setModeRandR11(ScrnInfoPtr pScrn, DisplayModePtr pMode, bool fLimitedContext)
301{
302 VBOXPtr pVBox = VBOXGetRec(pScrn);
303 struct vbvxFrameBuffer frameBuffer = { 0, 0, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel};
304
305 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
306 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
307 if (fLimitedContext)
308 {
309 pScrn->displayWidth = pScrn->virtualX = pMode->HDisplay;
310 pScrn->virtualY = pMode->VDisplay;
311 }
312 else
313 adjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
314 if (pMode->HDisplay != 0 && pMode->VDisplay != 0)
315 vbvxSetMode(pScrn, 0, pMode->HDisplay, pMode->VDisplay, 0, 0, true, true, &frameBuffer);
316 pScrn->currentMode = pMode;
317}
318
319#ifdef VBOXVIDEO_13
320/* X.org 1.3+ mode-setting support ******************************************/
321
322/** Set a video mode to the hardware, RandR 1.2 version. If this is the first
323 * screen, re-set the current mode for all others (the offset for the first
324 * screen is always treated as zero by the hardware, so all other screens need
325 * to be changed to compensate for any changes!). The mode to set is taken
326 * from the X.Org Crtc structure. */
327static void setModeRandR12(ScrnInfoPtr pScrn, unsigned cScreen)
328{
329 VBOXPtr pVBox = VBOXGetRec(pScrn);
330 unsigned i;
331 struct vbvxFrameBuffer frameBuffer = { pVBox->pScreens[0].paCrtcs->x, pVBox->pScreens[0].paCrtcs->y, pScrn->virtualX,
332 pScrn->virtualY, pScrn->bitsPerPixel };
333 unsigned cFirst = cScreen;
334 unsigned cLast = cScreen != 0 ? cScreen + 1 : pVBox->cScreens;
335
336 for (i = cFirst; i < cLast; ++i)
337 if (pVBox->pScreens[i].paCrtcs->mode.HDisplay != 0 && pVBox->pScreens[i].paCrtcs->mode.VDisplay != 0)
338 vbvxSetMode(pScrn, i, pVBox->pScreens[i].paCrtcs->mode.HDisplay, pVBox->pScreens[i].paCrtcs->mode.VDisplay,
339 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, pVBox->pScreens[i].fPowerOn,
340 pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected, &frameBuffer);
341}
342
343/** Wrapper around setModeRandR12() to avoid exposing non-obvious semantics.
344 */
345static void setAllModesRandR12(ScrnInfoPtr pScrn)
346{
347 setModeRandR12(pScrn, 0);
348}
349
350/* For descriptions of these functions and structures, see
351 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
352 X.Org source tree. */
353
354static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
355{
356 VBOXPtr pVBox = VBOXGetRec(pScrn);
357 Bool rc;
358 unsigned i;
359
360 TRACE_LOG("width=%d, height=%d\n", cw, ch);
361 /* Don't fiddle with the hardware if we are switched
362 * to a virtual terminal. */
363 if (!pScrn->vtSema) {
364 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
365 "We do not own the active VT, exiting.\n");
366 return TRUE;
367 }
368 rc = adjustScreenPixmap(pScrn, cw, ch);
369 /* Power-on all screens (the server expects this) and set the new pitch to them. */
370 for (i = 0; i < pVBox->cScreens; ++i)
371 pVBox->pScreens[i].fPowerOn = true;
372 setAllModesRandR12(pScrn);
373 vbvxSetSolarisMouseRange(cw, ch);
374 return rc;
375}
376
377static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
378 vbox_config_resize
379};
380
381static void
382vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
383{
384 ScrnInfoPtr pScrn = crtc->scrn;
385 VBOXPtr pVBox = VBOXGetRec(pScrn);
386 unsigned cDisplay = (uintptr_t)crtc->driver_private;
387
388 TRACE_LOG("mode=%d\n", mode);
389 pVBox->pScreens[cDisplay].fPowerOn = (mode != DPMSModeOff);
390 setModeRandR12(pScrn, cDisplay);
391}
392
393static Bool
394vbox_crtc_lock (xf86CrtcPtr crtc)
395{ (void) crtc; return FALSE; }
396
397
398/* We use this function to check whether the X server owns the active virtual
399 * terminal before attempting a mode switch, since the RandR extension isn't
400 * very dilligent here, which can mean crashes if we are unlucky. This is
401 * not the way it the function is intended - it is meant for reporting modes
402 * which the hardware can't handle. I hope that this won't confuse any clients
403 * connecting to us. */
404static Bool
405vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
406 DisplayModePtr adjusted_mode)
407{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
408
409static void
410vbox_crtc_stub (xf86CrtcPtr crtc)
411{ (void) crtc; }
412
413static void
414vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
415 DisplayModePtr adjusted_mode, int x, int y)
416{
417 (void) mode;
418 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
419 unsigned cDisplay = (uintptr_t)crtc->driver_private;
420
421 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
422 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
423 pVBox->pScreens[cDisplay].fPowerOn = true;
424 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
425 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
426 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
427 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
428 /* Don't fiddle with the hardware if we are switched
429 * to a virtual terminal. */
430 if (!crtc->scrn->vtSema)
431 {
432 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
433 "We do not own the active VT, exiting.\n");
434 return;
435 }
436 setModeRandR12(crtc->scrn, cDisplay);
437}
438
439static void
440vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
441 CARD16 *green, CARD16 *blue, int size)
442{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
443
444static void *
445vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
446{ (void) crtc; (void) width; (void) height; return NULL; }
447
448static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
449 .dpms = vbox_crtc_dpms,
450 .save = NULL, /* These two are never called by the server. */
451 .restore = NULL,
452 .lock = vbox_crtc_lock,
453 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
454 .mode_fixup = vbox_crtc_mode_fixup,
455 .prepare = vbox_crtc_stub,
456 .mode_set = vbox_crtc_mode_set,
457 .commit = vbox_crtc_stub,
458 .gamma_set = vbox_crtc_gamma_set,
459 .shadow_allocate = vbox_crtc_shadow_allocate,
460 .shadow_create = NULL, /* These two should not be invoked if allocate
461 returns NULL. */
462 .shadow_destroy = NULL,
463 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
464 .set_cursor_position = NULL,
465 .show_cursor = NULL,
466 .hide_cursor = NULL,
467 .load_cursor_argb = NULL,
468 .destroy = vbox_crtc_stub
469};
470
471static void
472vbox_output_stub (xf86OutputPtr output)
473{ (void) output; }
474
475static void
476vbox_output_dpms (xf86OutputPtr output, int mode)
477{
478 (void)output; (void)mode;
479}
480
481static int
482vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
483{
484 return MODE_OK;
485}
486
487static Bool
488vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
489 DisplayModePtr adjusted_mode)
490{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
491
492static void
493vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
494 DisplayModePtr adjusted_mode)
495{ (void) output; (void) mode; (void) adjusted_mode; }
496
497/* A virtual monitor is always connected. */
498static xf86OutputStatus
499vbox_output_detect (xf86OutputPtr output)
500{
501 ScrnInfoPtr pScrn = output->scrn;
502 VBOXPtr pVBox = VBOXGetRec(pScrn);
503 uint32_t iScreen = (uintptr_t)output->driver_private;
504 return pVBox->pScreens[iScreen].afConnected
505 ? XF86OutputStatusConnected : XF86OutputStatusDisconnected;
506}
507
508static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y,
509 Bool isPreferred, Bool isUserDef)
510{
511 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
512 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
513 int cRefresh = 60;
514
515 pMode->status = MODE_OK;
516 /* We don't ask the host whether it likes user defined modes,
517 * as we assume that the user really wanted that mode. */
518 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
519 if (isPreferred)
520 pMode->type |= M_T_PREFERRED;
521 /* Older versions of VBox only support screen widths which are a multiple
522 * of 8 */
523 if (pVBox->fAnyX)
524 pMode->HDisplay = x;
525 else
526 pMode->HDisplay = x & ~7;
527 pMode->HSyncStart = pMode->HDisplay + 2;
528 pMode->HSyncEnd = pMode->HDisplay + 4;
529 pMode->HTotal = pMode->HDisplay + 6;
530 pMode->VDisplay = y;
531 pMode->VSyncStart = pMode->VDisplay + 2;
532 pMode->VSyncEnd = pMode->VDisplay + 4;
533 pMode->VTotal = pMode->VDisplay + 6;
534 pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */
535 if (NULL == pszName) {
536 xf86SetModeDefaultName(pMode);
537 } else {
538 pMode->name = xnfstrdup(pszName);
539 }
540 *pModes = xf86ModesAdd(*pModes, pMode);
541 return pMode;
542}
543
544static DisplayModePtr
545vbox_output_get_modes (xf86OutputPtr output)
546{
547 unsigned i, cIndex = 0;
548 DisplayModePtr pModes = NULL, pMode;
549 ScrnInfoPtr pScrn = output->scrn;
550 VBOXPtr pVBox = VBOXGetRec(pScrn);
551
552 TRACE_ENTRY();
553 uint32_t x, y, iScreen;
554 iScreen = (uintptr_t)output->driver_private;
555 pMode = vbox_output_add_mode(pVBox, &pModes, NULL,
556 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
557 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
558 TRUE, FALSE);
559 TRACE_EXIT();
560 return pModes;
561}
562
563static const xf86OutputFuncsRec VBOXOutputFuncs = {
564 .create_resources = vbox_output_stub,
565 .dpms = vbox_output_dpms,
566 .save = NULL, /* These two are never called by the server. */
567 .restore = NULL,
568 .mode_valid = vbox_output_mode_valid,
569 .mode_fixup = vbox_output_mode_fixup,
570 .prepare = vbox_output_stub,
571 .commit = vbox_output_stub,
572 .mode_set = vbox_output_mode_set,
573 .detect = vbox_output_detect,
574 .get_modes = vbox_output_get_modes,
575#ifdef RANDR_12_INTERFACE
576 .set_property = NULL,
577#endif
578 .destroy = vbox_output_stub
579};
580#endif /* VBOXVIDEO_13 */
581
582/* Module loader interface */
583static MODULESETUPPROTO(vboxSetup);
584
585static XF86ModuleVersionInfo vboxVersionRec =
586{
587 VBOX_DRIVER_NAME,
588 VBOX_VENDOR,
589 MODINFOSTRING1,
590 MODINFOSTRING2,
591#ifdef XORG_7X
592 XORG_VERSION_CURRENT,
593#else
594 XF86_VERSION_CURRENT,
595#endif
596 1, /* Module major version. Xorg-specific */
597 0, /* Module minor version. Xorg-specific */
598 1, /* Module patchlevel. Xorg-specific */
599 ABI_CLASS_VIDEODRV, /* This is a video driver */
600 ABI_VIDEODRV_VERSION,
601 MOD_CLASS_VIDEODRV,
602 {0, 0, 0, 0}
603};
604
605/*
606 * This data is accessed by the loader. The name must be the module name
607 * followed by "ModuleData".
608 */
609#ifdef XORG_7X
610_X_EXPORT
611#endif
612XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
613
614static pointer
615vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
616{
617 static Bool Initialised = FALSE;
618
619 if (!Initialised)
620 {
621 Initialised = TRUE;
622#ifdef PCIACCESS
623 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
624#else
625 xf86AddDriver(&VBOXVIDEO, Module, 0);
626#endif
627#ifndef XORG_7X
628 LoaderRefSymLists(fbSymbols,
629 shadowfbSymbols,
630 ramdacSymbols,
631 vgahwSymbols,
632 NULL);
633#endif
634 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
635 (void *)&VBOXVIDEO);
636 return (pointer)TRUE;
637 }
638
639 if (ErrorMajor)
640 *ErrorMajor = LDR_ONCEONLY;
641 return (NULL);
642}
643
644
645static const OptionInfoRec *
646VBOXAvailableOptions(int chipid, int busid)
647{
648 return (VBOXOptions);
649}
650
651static void
652VBOXIdentify(int flags)
653{
654 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
655}
656
657#ifndef XF86_SCRN_INTERFACE
658# define SCRNINDEXAPI(pfn) pfn ## Index
659static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
660 char **argv)
661{ return VBOXScreenInit(pScreen, argc, argv); }
662
663static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
664{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
665
666static void VBOXLeaveVTIndex(int scrnIndex, int flags)
667{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
668
669static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
670{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
671
672static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
673{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
674
675static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
676{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
677
678static void VBOXFreeScreenIndex(int scrnIndex, int flags)
679{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
680# else
681# define SCRNINDEXAPI(pfn) pfn
682#endif /* XF86_SCRN_INTERFACE */
683
684static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
685{
686 pScrn->driverVersion = VBOX_VERSION;
687 pScrn->driverName = VBOX_DRIVER_NAME;
688 pScrn->name = VBOX_NAME;
689 pScrn->Probe = pfnProbe;
690 pScrn->PreInit = VBOXPreInit;
691 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
692 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
693 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
694 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
695 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
696 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
697}
698
699/*
700 * One of these functions is called once, at the start of the first server
701 * generation to do a minimal probe for supported hardware.
702 */
703
704#ifdef PCIACCESS
705static Bool
706VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
707 intptr_t match_data)
708{
709 ScrnInfoPtr pScrn;
710
711 TRACE_ENTRY();
712 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
713 NULL, NULL, NULL, NULL, NULL);
714 if (pScrn != NULL) {
715 VBOXPtr pVBox;
716
717 VBOXSetRec(pScrn);
718 pVBox = VBOXGetRec(pScrn);
719 if (!pVBox)
720 return FALSE;
721 setScreenFunctions(pScrn, NULL);
722 pVBox->pciInfo = dev;
723 }
724
725 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
726 return (pScrn != NULL);
727}
728#endif
729
730#ifndef PCIACCESS
731static Bool
732VBOXProbe(DriverPtr drv, int flags)
733{
734 Bool foundScreen = FALSE;
735 int numDevSections;
736 GDevPtr *devSections;
737
738 /*
739 * Find the config file Device sections that match this
740 * driver, and return if there are none.
741 */
742 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
743 &devSections)) <= 0)
744 return (FALSE);
745
746 /* PCI BUS */
747 if (xf86GetPciVideoInfo())
748 {
749 int numUsed;
750 int *usedChips;
751 int i;
752 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
753 VBOXChipsets, VBOXPCIchipsets,
754 devSections, numDevSections,
755 drv, &usedChips);
756 if (numUsed > 0)
757 {
758 if (flags & PROBE_DETECT)
759 foundScreen = TRUE;
760 else
761 for (i = 0; i < numUsed; i++)
762 {
763 ScrnInfoPtr pScrn = NULL;
764 /* Allocate a ScrnInfoRec */
765 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
766 VBOXPCIchipsets,NULL,
767 NULL,NULL,NULL,NULL)))
768 {
769 setScreenFunctions(pScrn, VBOXProbe);
770 foundScreen = TRUE;
771 }
772 }
773 free(usedChips);
774 }
775 }
776 free(devSections);
777 return (foundScreen);
778}
779#endif
780
781
782/*
783 * QUOTE from the XFree86 DESIGN document:
784 *
785 * The purpose of this function is to find out all the information
786 * required to determine if the configuration is usable, and to initialise
787 * those parts of the ScrnInfoRec that can be set once at the beginning of
788 * the first server generation.
789 *
790 * (...)
791 *
792 * This includes probing for video memory, clocks, ramdac, and all other
793 * HW info that is needed. It includes determining the depth/bpp/visual
794 * and related info. It includes validating and determining the set of
795 * video modes that will be used (and anything that is required to
796 * determine that).
797 *
798 * This information should be determined in the least intrusive way
799 * possible. The state of the HW must remain unchanged by this function.
800 * Although video memory (including MMIO) may be mapped within this
801 * function, it must be unmapped before returning.
802 *
803 * END QUOTE
804 */
805
806static Bool
807VBOXPreInit(ScrnInfoPtr pScrn, int flags)
808{
809 VBOXPtr pVBox;
810 Gamma gzeros = {0.0, 0.0, 0.0};
811 rgb rzeros = {0, 0, 0};
812 unsigned DispiId;
813
814 TRACE_ENTRY();
815 /* Are we really starting the server, or is this just a dummy run? */
816 if (flags & PROBE_DETECT)
817 return (FALSE);
818
819 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
820 "VirtualBox guest additions video driver version "
821 VBOX_VERSION_STRING "\n");
822
823 /* Get our private data from the ScrnInfoRec structure. */
824 VBOXSetRec(pScrn);
825 pVBox = VBOXGetRec(pScrn);
826 if (!pVBox)
827 return FALSE;
828
829 /* Entity information seems to mean bus information. */
830 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
831
832 /* The ramdac module is needed for the hardware cursor. */
833 if (!xf86LoadSubModule(pScrn, "ramdac"))
834 return FALSE;
835
836 /* The framebuffer module. */
837 if (!xf86LoadSubModule(pScrn, "fb"))
838 return (FALSE);
839
840 if (!xf86LoadSubModule(pScrn, "shadowfb"))
841 return FALSE;
842
843 if (!xf86LoadSubModule(pScrn, "vgahw"))
844 return FALSE;
845
846#ifdef VBOX_DRI_OLD
847 /* Load the dri module. */
848 if (!xf86LoadSubModule(pScrn, "dri"))
849 return FALSE;
850#else
851# ifdef VBOX_DRI
852 /* Load the dri module. */
853 if (!xf86LoadSubModule(pScrn, "dri2"))
854 return FALSE;
855# endif
856#endif
857
858#ifndef PCIACCESS
859 if (pVBox->pEnt->location.type != BUS_PCI)
860 return FALSE;
861
862 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
863 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
864 pVBox->pciInfo->device,
865 pVBox->pciInfo->func);
866#endif
867
868 /* Set up our ScrnInfoRec structure to describe our virtual
869 capabilities to X. */
870
871 pScrn->chipset = "vbox";
872 /** @note needed during colourmap initialisation */
873 pScrn->rgbBits = 8;
874
875 /* Let's create a nice, capable virtual monitor. */
876 pScrn->monitor = pScrn->confScreen->monitor;
877 pScrn->monitor->DDC = NULL;
878 pScrn->monitor->nHsync = 1;
879 pScrn->monitor->hsync[0].lo = 1;
880 pScrn->monitor->hsync[0].hi = 10000;
881 pScrn->monitor->nVrefresh = 1;
882 pScrn->monitor->vrefresh[0].lo = 1;
883 pScrn->monitor->vrefresh[0].hi = 100;
884
885 pScrn->progClock = TRUE;
886
887 /* Using the PCI information caused problems with non-powers-of-two
888 sized video RAM configurations */
889 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
890 pScrn->videoRam = pVBox->cbFBMax / 1024;
891
892 /* Check if the chip restricts horizontal resolution or not. */
893 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
894
895 /* Set up clock information that will support all modes we need. */
896 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
897 pScrn->clockRanges->minClock = 1000;
898 pScrn->clockRanges->maxClock = 1000000000;
899 pScrn->clockRanges->clockIndex = -1;
900 pScrn->clockRanges->ClockMulFactor = 1;
901 pScrn->clockRanges->ClockDivFactor = 1;
902
903 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
904 return FALSE;
905 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
906 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
907 {
908 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
909 "The VBox additions only support 16 and 32bpp graphics modes\n");
910 return FALSE;
911 }
912 xf86PrintDepthBpp(pScrn);
913 vboxAddModes(pScrn);
914
915#ifdef VBOXVIDEO_13
916 /* Work around a bug in the original X server modesetting code, which
917 * took the first valid values set to these two as maxima over the
918 * server lifetime. */
919 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
920 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
921#else
922 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
923 * already know what we like and what we don't. */
924
925 pScrn->currentMode = pScrn->modes;
926
927 /* Set the right virtual resolution. */
928 pScrn->virtualX = pScrn->bitsPerPixel == 16 ? (pScrn->currentMode->HDisplay + 1) & ~1 : pScrn->currentMode->HDisplay;
929 pScrn->virtualY = pScrn->currentMode->VDisplay;
930
931#endif /* !VBOXVIDEO_13 */
932
933 /* Needed before we initialise DRI. */
934 pScrn->displayWidth = pScrn->virtualX;
935
936 xf86PrintModes(pScrn);
937
938 /* VGA hardware initialisation */
939 if (!vgaHWGetHWRec(pScrn))
940 return FALSE;
941 /* Must be called before any VGA registers are saved or restored */
942 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
943 vgaHWGetIOBase(VGAHWPTR(pScrn));
944
945 /* Colour weight - we always call this, since we are always in
946 truecolour. */
947 if (!xf86SetWeight(pScrn, rzeros, rzeros))
948 return (FALSE);
949
950 /* visual init */
951 if (!xf86SetDefaultVisual(pScrn, -1))
952 return (FALSE);
953
954 xf86SetGamma(pScrn, gzeros);
955
956 /* Set the DPI. Perhaps we should read this from the host? */
957 xf86SetDpi(pScrn, 96, 96);
958
959 if (pScrn->memPhysBase == 0) {
960#ifdef PCIACCESS
961 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
962#else
963 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
964#endif
965 pScrn->fbOffset = 0;
966 }
967
968 TRACE_EXIT();
969 return (TRUE);
970}
971
972/**
973 * Dummy function for setting the colour palette, which we actually never
974 * touch. However, the server still requires us to provide this.
975 */
976static void
977vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
978 LOCO *colors, VisualPtr pVisual)
979{
980 (void)pScrn; (void) numColors; (void) indices; (void) colors;
981 (void)pVisual;
982}
983
984#define HAS_VT_ATOM_NAME "XFree86_has_VT"
985#define VBOXVIDEO_DRIVER_ATOM_NAME "VBOXVIDEO_DRIVER_IN_USE"
986/* The memory storing the initial value of the XFree86_has_VT root window
987 * property. This has to remain available until server start-up, so we just
988 * use a global. */
989static CARD32 InitialPropertyValue = 1;
990
991/** Initialise a flag property on the root window to say whether the server VT
992 * is currently the active one as some clients need to know this. */
993static void initialiseProperties(ScrnInfoPtr pScrn)
994{
995 Atom atom = -1;
996 CARD32 *PropertyValue = &InitialPropertyValue;
997#ifdef SET_HAVE_VT_PROPERTY
998 atom = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1, TRUE);
999 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
1000 32, 1, PropertyValue) != Success)
1001 FatalError("vboxvideo: failed to register VT property\n");
1002#endif /* SET_HAVE_VT_PROPERTY */
1003 atom = MakeAtom(VBOXVIDEO_DRIVER_ATOM_NAME,
1004 sizeof(VBOXVIDEO_DRIVER_ATOM_NAME) - 1, TRUE);
1005 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
1006 32, 1, PropertyValue) != Success)
1007 FatalError("vboxvideo: failed to register driver in use property\n");
1008}
1009
1010#ifdef SET_HAVE_VT_PROPERTY
1011/** Update a flag property on the root window to say whether the server VT
1012 * is currently the active one as some clients need to know this. */
1013static void updateHasVTProperty(ScrnInfoPtr pScrn, Bool hasVT)
1014{
1015 Atom property_name;
1016 int32_t value = hasVT ? 1 : 0;
1017 int i;
1018
1019 property_name = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1,
1020 FALSE);
1021 if (property_name == BAD_RESOURCE)
1022 FatalError("Failed to retrieve \"HAS_VT\" atom\n");
1023 if (ROOT_WINDOW(pScrn) == NULL)
1024 return;
1025 ChangeWindowProperty(ROOT_WINDOW(pScrn), property_name, XA_INTEGER, 32,
1026 PropModeReplace, 1, &value, TRUE);
1027}
1028#endif /* SET_HAVE_VT_PROPERTY */
1029
1030#ifdef VBOXVIDEO_13
1031
1032static void setVirtualSizeRandR12(ScrnInfoPtr pScrn, bool fLimitedContext)
1033{
1034 VBOXPtr pVBox = VBOXGetRec(pScrn);
1035 unsigned i;
1036 unsigned cx = 0;
1037 unsigned cy = 0;
1038
1039 for (i = 0; i < pVBox->cScreens; ++i)
1040 {
1041 if ( pVBox->fHaveHGSMIModeHints && pVBox->pScreens[i].afHaveLocation)
1042 {
1043 pVBox->pScreens[i].paCrtcs->x = pVBox->pScreens[i].aPreferredLocation.x;
1044 pVBox->pScreens[i].paCrtcs->y = pVBox->pScreens[i].aPreferredLocation.y;
1045 }
1046 if ( pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected
1047 && pVBox->pScreens[i].paCrtcs->x + pVBox->pScreens[i].aPreferredSize.cx < VBOX_VIDEO_MAX_VIRTUAL
1048 && pVBox->pScreens[i].paCrtcs->y + pVBox->pScreens[i].aPreferredSize.cy < VBOX_VIDEO_MAX_VIRTUAL)
1049 {
1050 cx = max(cx, pVBox->pScreens[i].paCrtcs->x + pVBox->pScreens[i].aPreferredSize.cx);
1051 cy = max(cy, pVBox->pScreens[i].paCrtcs->y + pVBox->pScreens[i].aPreferredSize.cy);
1052 }
1053 }
1054 if (cx != 0 && cy != 0)
1055 {
1056 if (fLimitedContext)
1057 {
1058 pScrn->virtualX = cx;
1059 pScrn->virtualY = cy;
1060 }
1061 else
1062 {
1063 TRACE_LOG("cx=%u, cy=%u\n", cx, cy);
1064 xf86ScrnToScreen(pScrn)->width = cx;
1065 xf86ScrnToScreen(pScrn)->height = cy;
1066#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 14
1067 xf86UpdateDesktopDimensions();
1068#elif GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 12
1069 screenInfo.width = cx;
1070 screenInfo.height = cy;
1071#endif
1072 adjustScreenPixmap(pScrn, cx, cy);
1073 vbvxSetSolarisMouseRange(cx, cy);
1074 }
1075 }
1076}
1077
1078static void setScreenSizesRandR12(ScrnInfoPtr pScrn, bool fLimitedContext)
1079{
1080 VBOXPtr pVBox = VBOXGetRec(pScrn);
1081 unsigned i;
1082
1083 for (i = 0; i < pVBox->cScreens; ++i)
1084 {
1085 if (!pVBox->pScreens[i].afConnected)
1086 continue;
1087 /* The Crtc can get "unset" if the screen was disconnected previously.
1088 * I couldn't find an API to re-set it which did not have side-effects.
1089 */
1090 pVBox->pScreens[i].paOutputs->crtc = pVBox->pScreens[i].paCrtcs;
1091 xf86CrtcSetMode(pVBox->pScreens[i].paCrtcs, pVBox->pScreens[i].paOutputs->probed_modes, RR_Rotate_0,
1092 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y);
1093 if (!fLimitedContext)
1094 RRCrtcNotify(pVBox->pScreens[i].paCrtcs->randr_crtc, pVBox->pScreens[i].paOutputs->randr_output->modes[0],
1095 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, RR_Rotate_0,
1096#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1097 NULL,
1098#endif
1099 1, &pVBox->pScreens[i].paOutputs->randr_output);
1100 }
1101}
1102
1103static void setSizesRandR12(ScrnInfoPtr pScrn, bool fLimitedContext)
1104{
1105 VBOXPtr pVBox = VBOXGetRec(pScrn);
1106
1107# if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1108 RRGetInfo(xf86ScrnToScreen(pScrn), TRUE);
1109# else
1110 RRGetInfo(xf86ScrnToScreen(pScrn));
1111# endif
1112 setVirtualSizeRandR12(pScrn, fLimitedContext);
1113 setScreenSizesRandR12(pScrn, fLimitedContext);
1114 if (!fLimitedContext)
1115 {
1116 RRScreenSizeNotify(xf86ScrnToScreen(pScrn));
1117 RRTellChanged(xf86ScrnToScreen(pScrn));
1118 }
1119}
1120
1121#else
1122
1123static void setSizesRandR11(ScrnInfoPtr pScrn, bool fLimitedContext)
1124{
1125 VBOXPtr pVBox = VBOXGetRec(pScrn);
1126 DisplayModePtr pNewMode;
1127
1128 pNewMode = pScrn->modes != pScrn->currentMode ? pScrn->modes : pScrn->modes->next;
1129 pNewMode->HDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1130 pNewMode->VDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1131 setModeRandR11(pScrn, pNewMode, fLimitedContext);
1132}
1133
1134#endif
1135
1136static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime)
1137{
1138 VBOXPtr pVBox = VBOXGetRec(pScrn);
1139
1140 TRACE_LOG("fScreenInitTime=%d\n", (int)fScreenInitTime);
1141#ifdef VBOXVIDEO_13
1142 setSizesRandR12(pScrn, fScreenInitTime);
1143#else
1144 setSizesRandR11(pScrn, fScreenInitTime);
1145#endif
1146 if (pScrn->vtSema)
1147 vbvxReprobeCursor(pScrn);
1148}
1149
1150/* We update the size hints from the X11 property set by VBoxClient every time
1151 * that the X server goes to sleep (to catch the property change request).
1152 * Although this is far more often than necessary it should not have real-life
1153 * performance consequences and allows us to simplify the code quite a bit. */
1154static void updateSizeHintsBlockHandler(pointer pData, OSTimePtr pTimeout, pointer pReadmask)
1155{
1156 ScrnInfoPtr pScrn = (ScrnInfoPtr)pData;
1157 VBOXPtr pVBox = VBOXGetRec(pScrn);
1158 bool fNeedUpdate = false;
1159
1160 (void)pTimeout;
1161 (void)pReadmask;
1162 if (!pScrn->vtSema)
1163 return;
1164 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, &fNeedUpdate);
1165 if (ROOT_WINDOW(pScrn) != NULL)
1166 vbvxReadSizesAndCursorIntegrationFromProperties(pScrn, &fNeedUpdate);
1167 if (fNeedUpdate)
1168 setSizesAndCursorIntegration(pScrn, false);
1169}
1170
1171/*
1172 * QUOTE from the XFree86 DESIGN document:
1173 *
1174 * This is called at the start of each server generation.
1175 *
1176 * (...)
1177 *
1178 * Decide which operations need to be placed under resource access
1179 * control. (...) Map any video memory or other memory regions. (...)
1180 * Save the video card state. (...) Initialise the initial video
1181 * mode.
1182 *
1183 * End QUOTE.
1184 */
1185static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1186{
1187 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1188 VBOXPtr pVBox = VBOXGetRec(pScrn);
1189 VisualPtr visual;
1190 unsigned flags;
1191
1192 TRACE_ENTRY();
1193
1194 if (!VBOXMapVidMem(pScrn))
1195 return (FALSE);
1196
1197 /* save current video state */
1198 VBOXSaveMode(pScrn);
1199
1200 /* mi layer - reset the visual list (?)*/
1201 miClearVisualTypes();
1202 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1203 pScrn->rgbBits, TrueColor))
1204 return (FALSE);
1205 if (!miSetPixmapDepths())
1206 return (FALSE);
1207
1208#ifdef VBOX_DRI
1209 pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
1210# ifndef VBOX_DRI_OLD /* DRI2 */
1211 if (pVBox->drmFD >= 0)
1212 /* Tell the kernel driver, if present, that we are taking over. */
1213 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1214# endif
1215#endif
1216
1217 if (!fbScreenInit(pScreen, pVBox->base,
1218 pScrn->virtualX, pScrn->virtualY,
1219 pScrn->xDpi, pScrn->yDpi,
1220 pScrn->displayWidth, pScrn->bitsPerPixel))
1221 return (FALSE);
1222
1223 /* Fixup RGB ordering */
1224 /** @note the X server uses this even in true colour. */
1225 visual = pScreen->visuals + pScreen->numVisuals;
1226 while (--visual >= pScreen->visuals) {
1227 if ((visual->class | DynamicClass) == DirectColor) {
1228 visual->offsetRed = pScrn->offset.red;
1229 visual->offsetGreen = pScrn->offset.green;
1230 visual->offsetBlue = pScrn->offset.blue;
1231 visual->redMask = pScrn->mask.red;
1232 visual->greenMask = pScrn->mask.green;
1233 visual->blueMask = pScrn->mask.blue;
1234 }
1235 }
1236
1237 /* must be after RGB ordering fixed */
1238 fbPictureInit(pScreen, 0, 0);
1239
1240 xf86SetBlackWhitePixels(pScreen);
1241 pScrn->vtSema = TRUE;
1242
1243#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1244 vbvxSetUpLinuxACPI(pScreen);
1245#endif
1246
1247 if (!VBoxHGSMIIsSupported())
1248 {
1249 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Graphics device too old to support.\n");
1250 return FALSE;
1251 }
1252 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1253 pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx);
1254 pVBox->pScreens = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->pScreens));
1255 pVBox->paVBVAModeHints = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->paVBVAModeHints));
1256 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n", pVBox->cScreens);
1257 vboxEnableVbva(pScrn);
1258 /* Set up the dirty rectangle handler. It will be added into a function
1259 * chain and gets removed when the screen is cleaned up. */
1260 if (ShadowFBInit2(pScreen, NULL, vbvxHandleDirtyRect) != TRUE)
1261 return FALSE;
1262 VBoxInitialiseSizeHints(pScrn);
1263 /* Get any screen size hints from HGSMI. Do not yet try to access X11
1264 * properties, as they are not yet set up, and nor are the clients that
1265 * might have set them. */
1266 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, NULL);
1267
1268#ifdef VBOXVIDEO_13
1269 /* Initialise CRTC and output configuration for use with randr1.2. */
1270 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1271
1272 {
1273 uint32_t i;
1274
1275 for (i = 0; i < pVBox->cScreens; ++i)
1276 {
1277 char szOutput[256];
1278
1279 /* Setup our virtual CRTCs. */
1280 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1281 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1282
1283 /* Set up our virtual outputs. */
1284 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1285 pVBox->pScreens[i].paOutputs
1286 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1287
1288 /* We are not interested in the monitor section in the
1289 * configuration file. */
1290 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1291 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1292 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1293 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1294 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1295 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1296 (void *)pVBox->pScreens[i].paOutputs);
1297 }
1298 }
1299
1300 /* Set a sane minimum and maximum mode size to match what the hardware
1301 * supports. */
1302 xf86CrtcSetSizeRange(pScrn, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL, VBOX_VIDEO_MAX_VIRTUAL);
1303
1304 /* Now create our initial CRTC/output configuration. */
1305 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1306 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1307 return (FALSE);
1308 }
1309
1310 /* Initialise randr 1.2 mode-setting functions. */
1311 if (!xf86CrtcScreenInit(pScreen)) {
1312 return FALSE;
1313 }
1314
1315#endif
1316 /* set first video mode */
1317 setSizesAndCursorIntegration(pScrn, true);
1318
1319 /* Register block and wake-up handlers for getting new screen size hints. */
1320 RegisterBlockAndWakeupHandlers(updateSizeHintsBlockHandler, (WakeupHandlerProcPtr)NoopDDA, (pointer)pScrn);
1321
1322 /* software cursor */
1323 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1324
1325 /* colourmap code */
1326 if (!miCreateDefColormap(pScreen))
1327 return (FALSE);
1328
1329 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1330 return (FALSE);
1331
1332 pVBox->CloseScreen = pScreen->CloseScreen;
1333 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1334#ifdef VBOXVIDEO_13
1335 pScreen->SaveScreen = xf86SaveScreen;
1336#else
1337 pScreen->SaveScreen = VBOXSaveScreen;
1338#endif
1339
1340#ifdef VBOXVIDEO_13
1341 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1342#else
1343 /* We probably do want to support power management - even if we just use
1344 a dummy function. */
1345 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1346#endif
1347
1348 /* Report any unused options (only for the first generation) */
1349 if (serverGeneration == 1)
1350 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1351
1352 if (vbvxCursorInit(pScreen) != TRUE)
1353 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1354 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1355
1356#ifdef VBOX_DRI_OLD
1357 if (pVBox->useDRI)
1358 pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
1359#endif
1360
1361 initialiseProperties(pScrn);
1362
1363 return (TRUE);
1364}
1365
1366static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1367{
1368 VBOXPtr pVBox = VBOXGetRec(pScrn);
1369
1370 TRACE_ENTRY();
1371#ifdef VBOX_DRI_OLD
1372 if (pVBox->useDRI)
1373 DRIUnlock(xf86ScrnToScreen(pScrn));
1374#elif defined(VBOX_DRI) /* DRI2 */
1375 if (pVBox->drmFD >= 0)
1376 {
1377 /* Tell the kernel driver, if present, that we are taking over. */
1378 drmSetMaster(pVBox->drmFD);
1379 }
1380#endif
1381 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1382 vboxEnableVbva(pScrn);
1383 /* Re-set video mode */
1384 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, NULL);
1385 vbvxReadSizesAndCursorIntegrationFromProperties(pScrn, NULL);
1386 /* This prevents a crash in CentOS 3. I was unable to debug it to
1387 * satisfaction, partly due to the lack of symbols. My guess is that
1388 * pScrn->ModifyPixmapHeader() expects certain things to be set up when
1389 * it sees pScrn->vtSema set to true which are not quite done at this
1390 * point of the VT switch. */
1391 pScrn->vtSema = FALSE;
1392 setSizesAndCursorIntegration(pScrn, false);
1393 pScrn->vtSema = TRUE;
1394#ifdef SET_HAVE_VT_PROPERTY
1395 updateHasVTProperty(pScrn, TRUE);
1396#endif
1397 return TRUE;
1398}
1399
1400static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1401{
1402 VBOXPtr pVBox = VBOXGetRec(pScrn);
1403#ifdef VBOXVIDEO_13
1404 unsigned i;
1405#endif
1406
1407 TRACE_ENTRY();
1408#ifdef VBOXVIDEO_13
1409 for (i = 0; i < pVBox->cScreens; ++i)
1410 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1411#endif
1412 vboxDisableVbva(pScrn);
1413 vbvxClearVRAM(pScrn, pScrn->virtualX * pScrn->virtualY * pScrn->bitsPerPixel / 8, 0);
1414#ifdef VBOX_DRI_OLD
1415 if (pVBox->useDRI)
1416 DRILock(xf86ScrnToScreen(pScrn), 0);
1417#elif defined(VBOX_DRI) /* DRI2 */
1418 if (pVBox->drmFD >= 0)
1419 drmDropMaster(pVBox->drmFD);
1420#endif
1421 VBOXRestoreMode(pScrn);
1422#ifdef SET_HAVE_VT_PROPERTY
1423 updateHasVTProperty(pScrn, FALSE);
1424#endif
1425 TRACE_EXIT();
1426}
1427
1428static Bool VBOXCloseScreen(ScreenPtr pScreen)
1429{
1430 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1431 VBOXPtr pVBox = VBOXGetRec(pScrn);
1432#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1433 BOOL fRestore = TRUE;
1434#endif
1435 if (pScrn->vtSema)
1436 {
1437#ifdef VBOXVIDEO_13
1438 unsigned i;
1439
1440 for (i = 0; i < pVBox->cScreens; ++i)
1441 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1442#endif
1443 vboxDisableVbva(pScrn);
1444 vbvxClearVRAM(pScrn, pScrn->virtualX * pScrn->virtualY * pScrn->bitsPerPixel / 8, 0);
1445 }
1446#ifdef VBOX_DRI
1447# ifndef VBOX_DRI_OLD /* DRI2 */
1448 if ( pVBox->drmFD >= 0
1449 /* Tell the kernel driver, if present, that we are going away. */
1450 && drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) >= 0)
1451 fRestore = false;
1452# endif
1453 if (pVBox->useDRI)
1454 VBOXDRICloseScreen(pScreen, pVBox);
1455 pVBox->useDRI = false;
1456#endif
1457#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1458 if (fRestore)
1459#endif
1460 if (pScrn->vtSema)
1461 VBOXRestoreMode(pScrn);
1462 if (pScrn->vtSema)
1463 VBOXUnmapVidMem(pScrn);
1464 pScrn->vtSema = FALSE;
1465
1466 vbvxCursorTerm(pVBox);
1467
1468 pScreen->CloseScreen = pVBox->CloseScreen;
1469#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1470 vbvxCleanUpLinuxACPI(pScreen);
1471#endif
1472#ifndef XF86_SCRN_INTERFACE
1473 return pScreen->CloseScreen(pScreen->myNum, pScreen);
1474#else
1475 return pScreen->CloseScreen(pScreen);
1476#endif
1477}
1478
1479static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1480{
1481 VBOXPtr pVBox;
1482 Bool rc = TRUE;
1483
1484 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1485 if (!pScrn->vtSema)
1486 {
1487 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1488 "We do not own the active VT, exiting.\n");
1489 return TRUE;
1490 }
1491#ifdef VBOXVIDEO_13
1492 rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
1493#else
1494 setModeRandR11(pScrn, pMode, false);
1495#endif
1496 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1497 return rc;
1498}
1499
1500static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1501{ (void)pScrn; (void)x; (void)y; }
1502
1503static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1504{
1505 /* Destroy the VGA hardware record */
1506 vgaHWFreeHWRec(pScrn);
1507 /* And our private record */
1508 free(pScrn->driverPrivate);
1509 pScrn->driverPrivate = NULL;
1510}
1511
1512static Bool
1513VBOXMapVidMem(ScrnInfoPtr pScrn)
1514{
1515 VBOXPtr pVBox = VBOXGetRec(pScrn);
1516 Bool rc = TRUE;
1517
1518 TRACE_ENTRY();
1519 if (!pVBox->base)
1520 {
1521#ifdef PCIACCESS
1522 (void) pci_device_map_range(pVBox->pciInfo,
1523 pScrn->memPhysBase,
1524 pScrn->videoRam * 1024,
1525 PCI_DEV_MAP_FLAG_WRITABLE,
1526 & pVBox->base);
1527#else
1528 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1529 VIDMEM_FRAMEBUFFER,
1530 pVBox->pciTag, pScrn->memPhysBase,
1531 (unsigned) pScrn->videoRam * 1024);
1532#endif
1533 if (!pVBox->base)
1534 rc = FALSE;
1535 }
1536 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1537 return rc;
1538}
1539
1540static void
1541VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1542{
1543 VBOXPtr pVBox = VBOXGetRec(pScrn);
1544
1545 TRACE_ENTRY();
1546 if (pVBox->base == NULL)
1547 return;
1548
1549#ifdef PCIACCESS
1550 (void) pci_device_unmap_range(pVBox->pciInfo,
1551 pVBox->base,
1552 pScrn->videoRam * 1024);
1553#else
1554 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1555 (unsigned) pScrn->videoRam * 1024);
1556#endif
1557 pVBox->base = NULL;
1558 TRACE_EXIT();
1559}
1560
1561static Bool
1562VBOXSaveScreen(ScreenPtr pScreen, int mode)
1563{
1564 (void)pScreen; (void)mode;
1565 return TRUE;
1566}
1567
1568void
1569VBOXSaveMode(ScrnInfoPtr pScrn)
1570{
1571 VBOXPtr pVBox = VBOXGetRec(pScrn);
1572 vgaRegPtr vgaReg;
1573
1574 TRACE_ENTRY();
1575 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1576 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1577 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1578 &pVBox->cSavedHeight,
1579 &pVBox->cSavedPitch,
1580 &pVBox->cSavedBPP,
1581 &pVBox->fSavedFlags);
1582}
1583
1584void
1585VBOXRestoreMode(ScrnInfoPtr pScrn)
1586{
1587 VBOXPtr pVBox = VBOXGetRec(pScrn);
1588 vgaRegPtr vgaReg;
1589#ifdef VBOX_DRI
1590 drmModeResPtr pRes;
1591#endif
1592
1593 TRACE_ENTRY();
1594#ifdef VBOX_DRI
1595 /* Do not try to re-set the VGA state if a mode-setting driver is loaded. */
1596 if ( pVBox->drmFD >= 0
1597 && LoaderSymbol("drmModeGetResources") != NULL
1598 && (pRes = drmModeGetResources(pVBox->drmFD)) != NULL)
1599 {
1600 drmModeFreeResources(pRes);
1601 return;
1602 }
1603#endif
1604 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1605 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1606 if (pVBox->fSavedVBEMode)
1607 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1608 pVBox->cSavedPitch, pVBox->cSavedBPP,
1609 pVBox->fSavedFlags, 0, 0);
1610 else
1611 VBoxVideoDisableVBE();
1612}
1613
1614static void
1615VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
1616 int flags)
1617{
1618 (void)pScrn; (void)mode; (void) flags;
1619}
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