VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 55723

Last change on this file since 55723 was 55723, checked in by vboxsync, 10 years ago

Additions/x11/vboxvideo: pass on virtual size to input devices when we resize the screen.
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File size: 53.4 KB
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1/* $Id: vboxvideo.c 55723 2015-05-07 13:28:10Z 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#include "revision-generated.h"
63
64/* Basic definitions and functions needed by all drivers. */
65#include "xf86.h"
66/* For video memory mapping. */
67#include "xf86_OSproc.h"
68#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
69/* PCI resources. */
70# include "xf86Resources.h"
71#endif
72/* Generic server linear frame-buffer APIs. */
73#include "fb.h"
74/* Colormap and visual handling. */
75#include "micmap.h"
76#include "xf86cmap.h"
77/* ShadowFB support */
78#include "shadowfb.h"
79/* VGA hardware functions for setting and restoring text mode */
80#include "vgaHW.h"
81#ifdef VBOX_DRI
82# include "xf86drm.h"
83# include "xf86drmMode.h"
84#endif
85#ifdef VBOXVIDEO_13
86/* X.org 1.3+ mode setting */
87# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
88# include "xf86Crtc.h"
89# include "xf86Modes.h"
90/* For xf86RandR12GetOriginalVirtualSize(). */
91# include "xf86RandR12.h"
92#endif
93/* For setting the root window property. */
94#include "property.h"
95#include "X11/Xatom.h"
96
97#ifdef XORG_7X
98# include <stdlib.h>
99# include <string.h>
100#endif
101
102/* This was accepted upstream in X.Org Server 1.16 which bumped the video
103 * driver ABI to 17. */
104#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 17
105# define SET_HAVE_VT_PROPERTY
106#endif
107
108/* Mandatory functions */
109
110static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
111static void VBOXIdentify(int flags);
112#ifndef PCIACCESS
113static Bool VBOXProbe(DriverPtr drv, int flags);
114#else
115static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
116 struct pci_device *dev, intptr_t match_data);
117#endif
118static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
119static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
120static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
121static void VBOXLeaveVT(ScrnInfoPtr pScrn);
122static Bool VBOXCloseScreen(ScreenPtr pScreen);
123static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
124static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
125static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
126static void VBOXFreeScreen(ScrnInfoPtr pScrn);
127static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
128 int flags);
129
130/* locally used functions */
131static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
132static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
133static void VBOXSaveMode(ScrnInfoPtr pScrn);
134static void VBOXRestoreMode(ScrnInfoPtr pScrn);
135static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime);
136
137#ifndef XF86_SCRN_INTERFACE
138# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
139# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
140#endif
141
142static inline void VBOXSetRec(ScrnInfoPtr pScrn)
143{
144 if (!pScrn->driverPrivate)
145 {
146 VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1);
147 pScrn->driverPrivate = pVBox;
148#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
149 pVBox->fdACPIDevices = -1;
150#endif
151 }
152}
153
154enum GenericTypes
155{
156 CHIP_VBOX_GENERIC
157};
158
159#ifdef PCIACCESS
160static const struct pci_id_match vbox_device_match[] = {
161 {
162 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
163 0, 0, 0
164 },
165
166 { 0, 0, 0 },
167};
168#endif
169
170/* Supported chipsets */
171static SymTabRec VBOXChipsets[] =
172{
173 {VBOX_DEVICEID, "vbox"},
174 {-1, NULL}
175};
176
177static PciChipsets VBOXPCIchipsets[] = {
178 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
179 { -1, -1, RES_UNDEFINED },
180};
181
182/*
183 * This contains the functions needed by the server after loading the
184 * driver module. It must be supplied, and gets added the driver list by
185 * the Module Setup function in the dynamic case. In the static case a
186 * reference to this is compiled in, and this requires that the name of
187 * this DriverRec be an upper-case version of the driver name.
188 */
189
190#ifdef XORG_7X
191_X_EXPORT
192#endif
193DriverRec VBOXVIDEO = {
194 VBOX_VERSION,
195 VBOX_DRIVER_NAME,
196 VBOXIdentify,
197#ifdef PCIACCESS
198 NULL,
199#else
200 VBOXProbe,
201#endif
202 VBOXAvailableOptions,
203 NULL,
204 0,
205#ifdef XORG_7X
206 NULL,
207#endif
208#ifdef PCIACCESS
209 vbox_device_match,
210 VBOXPciProbe
211#endif
212};
213
214/* No options for now */
215static const OptionInfoRec VBOXOptions[] = {
216 { -1, NULL, OPTV_NONE, {0}, FALSE }
217};
218
219#ifndef XORG_7X
220/*
221 * List of symbols from other modules that this module references. This
222 * list is used to tell the loader that it is OK for symbols here to be
223 * unresolved providing that it hasn't been told that they haven't been
224 * told that they are essential via a call to xf86LoaderReqSymbols() or
225 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
226 * unresolved symbols that are not required.
227 */
228static const char *fbSymbols[] = {
229 "fbPictureInit",
230 "fbScreenInit",
231 NULL
232};
233
234static const char *shadowfbSymbols[] = {
235 "ShadowFBInit2",
236 NULL
237};
238
239static const char *ramdacSymbols[] = {
240 "xf86DestroyCursorInfoRec",
241 "xf86InitCursor",
242 "xf86CreateCursorInfoRec",
243 NULL
244};
245
246static const char *vgahwSymbols[] = {
247 "vgaHWFreeHWRec",
248 "vgaHWGetHWRec",
249 "vgaHWGetIOBase",
250 "vgaHWGetIndex",
251 "vgaHWRestore",
252 "vgaHWSave",
253 "vgaHWSetStdFuncs",
254 NULL
255};
256#endif /* !XORG_7X */
257
258/** Resize the virtual framebuffer. */
259static Bool adjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height)
260{
261 ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
262 VBOXPtr pVBox = VBOXGetRec(pScrn);
263 int adjustedWidth = pScrn->bitsPerPixel == 16 ? (width + 1) & ~1 : width;
264 int cbLine = adjustedWidth * pScrn->bitsPerPixel / 8;
265 PixmapPtr pPixmap;
266 int rc;
267
268 TRACE_LOG("width=%d, height=%d\n", width, height);
269 VBVXASSERT(width >= 0 && height >= 0, ("Invalid negative width (%d) or height (%d)\n", width, height));
270 if (pScreen == NULL) /* Not yet initialised. */
271 return TRUE;
272 pPixmap = pScreen->GetScreenPixmap(pScreen);
273 VBVXASSERT(pPixmap != NULL, ("Failed to get the screen pixmap.\n"));
274 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",
275 pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base, pPixmap->drawable.width,
276 pPixmap->drawable.height);
277 if ( adjustedWidth != pPixmap->drawable.width
278 || height != pPixmap->drawable.height)
279 {
280 if ( adjustedWidth > VBOX_VIDEO_MAX_VIRTUAL || height > VBOX_VIDEO_MAX_VIRTUAL
281 || (unsigned)cbLine * (unsigned)height >= pVBox->cbFBMax)
282 {
283 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
284 "Virtual framebuffer %dx%d too large. For information, video memory: %u Kb.\n",
285 adjustedWidth, height, (unsigned) pVBox->cbFBMax / 1024);
286 return FALSE;
287 }
288 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8),
289 ((size_t)adjustedWidth) * height * (pScrn->bitsPerPixel / 8));
290 pScreen->ModifyPixmapHeader(pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base);
291 }
292 pScrn->displayWidth = pScrn->virtualX = adjustedWidth;
293 pScrn->virtualY = height;
294#ifdef VBOX_DRI_OLD
295 if (pVBox->useDRI)
296 VBOXDRIUpdateStride(pScrn, pVBox);
297#endif
298 return TRUE;
299}
300
301/** Set a video mode to the hardware, RandR 1.1 version. Since we no longer do
302 * virtual frame buffers, adjust the screen pixmap dimensions to match. */
303static void setModeRandR11(ScrnInfoPtr pScrn, DisplayModePtr pMode, bool fLimitedContext)
304{
305 VBOXPtr pVBox = VBOXGetRec(pScrn);
306 struct vbvxFrameBuffer frameBuffer = { 0, 0, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel};
307
308 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
309 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
310 if (fLimitedContext)
311 {
312 pScrn->displayWidth = pScrn->virtualX = pMode->HDisplay;
313 pScrn->virtualY = pMode->VDisplay;
314 }
315 else
316 adjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
317 if (pMode->HDisplay != 0 && pMode->VDisplay != 0)
318 vbvxSetMode(pScrn, 0, pMode->HDisplay, pMode->VDisplay, 0, 0, true, true, &frameBuffer);
319 pScrn->currentMode = pMode;
320}
321
322#ifdef VBOXVIDEO_13
323/* X.org 1.3+ mode-setting support ******************************************/
324
325/** Set a video mode to the hardware, RandR 1.2 version. If this is the first
326 * screen, re-set the current mode for all others (the offset for the first
327 * screen is always treated as zero by the hardware, so all other screens need
328 * to be changed to compensate for any changes!). The mode to set is taken
329 * from the X.Org Crtc structure. */
330static void setModeRandR12(ScrnInfoPtr pScrn, unsigned cScreen)
331{
332 VBOXPtr pVBox = VBOXGetRec(pScrn);
333 unsigned i;
334 struct vbvxFrameBuffer frameBuffer = { pVBox->pScreens[0].paCrtcs->x, pVBox->pScreens[0].paCrtcs->y, pScrn->virtualX,
335 pScrn->virtualY, pScrn->bitsPerPixel };
336 unsigned cFirst = cScreen;
337 unsigned cLast = cScreen != 0 ? cScreen + 1 : pVBox->cScreens;
338 int originalX, originalY;
339
340 /* Check that this code cannot trigger the resizing bug in X.Org Server 1.3.
341 * See the work-around in PreInit. */
342 xf86RandR12GetOriginalVirtualSize(pScrn, &originalX, &originalY);
343 VBVXASSERT(originalX == VBOX_VIDEO_MAX_VIRTUAL && originalY == VBOX_VIDEO_MAX_VIRTUAL, ("OriginalSize=%dx%d",
344 originalX, originalY));
345 for (i = cFirst; i < cLast; ++i)
346 if (pVBox->pScreens[i].paCrtcs->mode.HDisplay != 0 && pVBox->pScreens[i].paCrtcs->mode.VDisplay != 0)
347 vbvxSetMode(pScrn, i, pVBox->pScreens[i].paCrtcs->mode.HDisplay, pVBox->pScreens[i].paCrtcs->mode.VDisplay,
348 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, pVBox->pScreens[i].fPowerOn,
349 pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected, &frameBuffer);
350}
351
352/** Wrapper around setModeRandR12() to avoid exposing non-obvious semantics.
353 */
354static void setAllModesRandR12(ScrnInfoPtr pScrn)
355{
356 setModeRandR12(pScrn, 0);
357}
358
359/* For descriptions of these functions and structures, see
360 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
361 X.Org source tree. */
362
363static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
364{
365 VBOXPtr pVBox = VBOXGetRec(pScrn);
366 Bool rc;
367 unsigned i;
368
369 TRACE_LOG("width=%d, height=%d\n", cw, ch);
370 /* Don't fiddle with the hardware if we are switched
371 * to a virtual terminal. */
372 if (!pScrn->vtSema) {
373 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
374 "We do not own the active VT, exiting.\n");
375 return TRUE;
376 }
377 rc = adjustScreenPixmap(pScrn, cw, ch);
378 /* Power-on all screens (the server expects this) and set the new pitch to them. */
379 for (i = 0; i < pVBox->cScreens; ++i)
380 pVBox->pScreens[i].fPowerOn = true;
381 setAllModesRandR12(pScrn);
382 vbvxSetSolarisMouseRange(cw, ch);
383 return rc;
384}
385
386static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
387 vbox_config_resize
388};
389
390static void
391vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
392{
393 ScrnInfoPtr pScrn = crtc->scrn;
394 VBOXPtr pVBox = VBOXGetRec(pScrn);
395 unsigned cDisplay = (uintptr_t)crtc->driver_private;
396
397 TRACE_LOG("mode=%d\n", mode);
398 pVBox->pScreens[cDisplay].fPowerOn = (mode != DPMSModeOff);
399 setModeRandR12(pScrn, cDisplay);
400}
401
402static Bool
403vbox_crtc_lock (xf86CrtcPtr crtc)
404{ (void) crtc; return FALSE; }
405
406
407/* We use this function to check whether the X server owns the active virtual
408 * terminal before attempting a mode switch, since the RandR extension isn't
409 * very dilligent here, which can mean crashes if we are unlucky. This is
410 * not the way it the function is intended - it is meant for reporting modes
411 * which the hardware can't handle. I hope that this won't confuse any clients
412 * connecting to us. */
413static Bool
414vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
415 DisplayModePtr adjusted_mode)
416{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
417
418static void
419vbox_crtc_stub (xf86CrtcPtr crtc)
420{ (void) crtc; }
421
422static void
423vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
424 DisplayModePtr adjusted_mode, int x, int y)
425{
426 (void) mode;
427 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
428 unsigned cDisplay = (uintptr_t)crtc->driver_private;
429
430 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
431 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
432 pVBox->pScreens[cDisplay].fPowerOn = true;
433 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
434 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
435 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
436 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
437 /* Don't fiddle with the hardware if we are switched
438 * to a virtual terminal. */
439 if (!crtc->scrn->vtSema)
440 {
441 xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
442 "We do not own the active VT, exiting.\n");
443 return;
444 }
445 setModeRandR12(crtc->scrn, cDisplay);
446}
447
448static void
449vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
450 CARD16 *green, CARD16 *blue, int size)
451{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
452
453static void *
454vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
455{ (void) crtc; (void) width; (void) height; return NULL; }
456
457static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
458 .dpms = vbox_crtc_dpms,
459 .save = NULL, /* These two are never called by the server. */
460 .restore = NULL,
461 .lock = vbox_crtc_lock,
462 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
463 .mode_fixup = vbox_crtc_mode_fixup,
464 .prepare = vbox_crtc_stub,
465 .mode_set = vbox_crtc_mode_set,
466 .commit = vbox_crtc_stub,
467 .gamma_set = vbox_crtc_gamma_set,
468 .shadow_allocate = vbox_crtc_shadow_allocate,
469 .shadow_create = NULL, /* These two should not be invoked if allocate
470 returns NULL. */
471 .shadow_destroy = NULL,
472 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
473 .set_cursor_position = NULL,
474 .show_cursor = NULL,
475 .hide_cursor = NULL,
476 .load_cursor_argb = NULL,
477 .destroy = vbox_crtc_stub
478};
479
480static void
481vbox_output_stub (xf86OutputPtr output)
482{ (void) output; }
483
484static void
485vbox_output_dpms (xf86OutputPtr output, int mode)
486{
487 (void)output; (void)mode;
488}
489
490static int
491vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
492{
493 return MODE_OK;
494}
495
496static Bool
497vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
498 DisplayModePtr adjusted_mode)
499{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
500
501static void
502vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
503 DisplayModePtr adjusted_mode)
504{ (void) output; (void) mode; (void) adjusted_mode; }
505
506/* A virtual monitor is always connected. */
507static xf86OutputStatus
508vbox_output_detect (xf86OutputPtr output)
509{
510 ScrnInfoPtr pScrn = output->scrn;
511 VBOXPtr pVBox = VBOXGetRec(pScrn);
512 uint32_t iScreen = (uintptr_t)output->driver_private;
513 return pVBox->pScreens[iScreen].afConnected
514 ? XF86OutputStatusConnected : XF86OutputStatusDisconnected;
515}
516
517static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y,
518 Bool isPreferred, Bool isUserDef)
519{
520 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
521 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
522 int cRefresh = 60;
523
524 pMode->status = MODE_OK;
525 /* We don't ask the host whether it likes user defined modes,
526 * as we assume that the user really wanted that mode. */
527 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
528 if (isPreferred)
529 pMode->type |= M_T_PREFERRED;
530 /* Older versions of VBox only support screen widths which are a multiple
531 * of 8 */
532 if (pVBox->fAnyX)
533 pMode->HDisplay = x;
534 else
535 pMode->HDisplay = x & ~7;
536 pMode->HSyncStart = pMode->HDisplay + 2;
537 pMode->HSyncEnd = pMode->HDisplay + 4;
538 pMode->HTotal = pMode->HDisplay + 6;
539 pMode->VDisplay = y;
540 pMode->VSyncStart = pMode->VDisplay + 2;
541 pMode->VSyncEnd = pMode->VDisplay + 4;
542 pMode->VTotal = pMode->VDisplay + 6;
543 pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */
544 if (NULL == pszName) {
545 xf86SetModeDefaultName(pMode);
546 } else {
547 pMode->name = xnfstrdup(pszName);
548 }
549 *pModes = xf86ModesAdd(*pModes, pMode);
550 return pMode;
551}
552
553static DisplayModePtr
554vbox_output_get_modes (xf86OutputPtr output)
555{
556 unsigned i, cIndex = 0;
557 DisplayModePtr pModes = NULL, pMode;
558 ScrnInfoPtr pScrn = output->scrn;
559 VBOXPtr pVBox = VBOXGetRec(pScrn);
560
561 TRACE_ENTRY();
562 uint32_t x, y, iScreen;
563 iScreen = (uintptr_t)output->driver_private;
564 pMode = vbox_output_add_mode(pVBox, &pModes, NULL,
565 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
566 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
567 TRUE, FALSE);
568 TRACE_EXIT();
569 return pModes;
570}
571
572static const xf86OutputFuncsRec VBOXOutputFuncs = {
573 .create_resources = vbox_output_stub,
574 .dpms = vbox_output_dpms,
575 .save = NULL, /* These two are never called by the server. */
576 .restore = NULL,
577 .mode_valid = vbox_output_mode_valid,
578 .mode_fixup = vbox_output_mode_fixup,
579 .prepare = vbox_output_stub,
580 .commit = vbox_output_stub,
581 .mode_set = vbox_output_mode_set,
582 .detect = vbox_output_detect,
583 .get_modes = vbox_output_get_modes,
584#ifdef RANDR_12_INTERFACE
585 .set_property = NULL,
586#endif
587 .destroy = vbox_output_stub
588};
589#endif /* VBOXVIDEO_13 */
590
591/* Module loader interface */
592static MODULESETUPPROTO(vboxSetup);
593
594static XF86ModuleVersionInfo vboxVersionRec =
595{
596 VBOX_DRIVER_NAME,
597 VBOX_VENDOR,
598 MODINFOSTRING1,
599 MODINFOSTRING2,
600#ifdef XORG_7X
601 XORG_VERSION_CURRENT,
602#else
603 XF86_VERSION_CURRENT,
604#endif
605 1, /* Module major version. Xorg-specific */
606 0, /* Module minor version. Xorg-specific */
607 1, /* Module patchlevel. Xorg-specific */
608 ABI_CLASS_VIDEODRV, /* This is a video driver */
609 ABI_VIDEODRV_VERSION,
610 MOD_CLASS_VIDEODRV,
611 {0, 0, 0, 0}
612};
613
614/*
615 * This data is accessed by the loader. The name must be the module name
616 * followed by "ModuleData".
617 */
618#ifdef XORG_7X
619_X_EXPORT
620#endif
621XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
622
623static pointer
624vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
625{
626 static Bool Initialised = FALSE;
627
628 if (!Initialised)
629 {
630 Initialised = TRUE;
631#ifdef PCIACCESS
632 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
633#else
634 xf86AddDriver(&VBOXVIDEO, Module, 0);
635#endif
636#ifndef XORG_7X
637 LoaderRefSymLists(fbSymbols,
638 shadowfbSymbols,
639 ramdacSymbols,
640 vgahwSymbols,
641 NULL);
642#endif
643 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
644 (void *)&VBOXVIDEO);
645 return (pointer)TRUE;
646 }
647
648 if (ErrorMajor)
649 *ErrorMajor = LDR_ONCEONLY;
650 return (NULL);
651}
652
653
654static const OptionInfoRec *
655VBOXAvailableOptions(int chipid, int busid)
656{
657 return (VBOXOptions);
658}
659
660static void
661VBOXIdentify(int flags)
662{
663 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
664}
665
666#ifndef XF86_SCRN_INTERFACE
667# define SCRNINDEXAPI(pfn) pfn ## Index
668static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
669 char **argv)
670{ return VBOXScreenInit(pScreen, argc, argv); }
671
672static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
673{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
674
675static void VBOXLeaveVTIndex(int scrnIndex, int flags)
676{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
677
678static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
679{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
680
681static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
682{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
683
684static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
685{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
686
687static void VBOXFreeScreenIndex(int scrnIndex, int flags)
688{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
689# else
690# define SCRNINDEXAPI(pfn) pfn
691#endif /* XF86_SCRN_INTERFACE */
692
693static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
694{
695 pScrn->driverVersion = VBOX_VERSION;
696 pScrn->driverName = VBOX_DRIVER_NAME;
697 pScrn->name = VBOX_NAME;
698 pScrn->Probe = pfnProbe;
699 pScrn->PreInit = VBOXPreInit;
700 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
701 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
702 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
703 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
704 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
705 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
706}
707
708/*
709 * One of these functions is called once, at the start of the first server
710 * generation to do a minimal probe for supported hardware.
711 */
712
713#ifdef PCIACCESS
714static Bool
715VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
716 intptr_t match_data)
717{
718 ScrnInfoPtr pScrn;
719
720 TRACE_ENTRY();
721 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
722 NULL, NULL, NULL, NULL, NULL);
723 if (pScrn != NULL) {
724 VBOXPtr pVBox;
725
726 VBOXSetRec(pScrn);
727 pVBox = VBOXGetRec(pScrn);
728 if (!pVBox)
729 return FALSE;
730 setScreenFunctions(pScrn, NULL);
731 pVBox->pciInfo = dev;
732 }
733
734 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
735 return (pScrn != NULL);
736}
737#endif
738
739#ifndef PCIACCESS
740static Bool
741VBOXProbe(DriverPtr drv, int flags)
742{
743 Bool foundScreen = FALSE;
744 int numDevSections;
745 GDevPtr *devSections;
746
747 /*
748 * Find the config file Device sections that match this
749 * driver, and return if there are none.
750 */
751 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
752 &devSections)) <= 0)
753 return (FALSE);
754
755 /* PCI BUS */
756 if (xf86GetPciVideoInfo())
757 {
758 int numUsed;
759 int *usedChips;
760 int i;
761 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
762 VBOXChipsets, VBOXPCIchipsets,
763 devSections, numDevSections,
764 drv, &usedChips);
765 if (numUsed > 0)
766 {
767 if (flags & PROBE_DETECT)
768 foundScreen = TRUE;
769 else
770 for (i = 0; i < numUsed; i++)
771 {
772 ScrnInfoPtr pScrn = NULL;
773 /* Allocate a ScrnInfoRec */
774 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
775 VBOXPCIchipsets,NULL,
776 NULL,NULL,NULL,NULL)))
777 {
778 setScreenFunctions(pScrn, VBOXProbe);
779 foundScreen = TRUE;
780 }
781 }
782 free(usedChips);
783 }
784 }
785 free(devSections);
786 return (foundScreen);
787}
788#endif
789
790
791/*
792 * QUOTE from the XFree86 DESIGN document:
793 *
794 * The purpose of this function is to find out all the information
795 * required to determine if the configuration is usable, and to initialise
796 * those parts of the ScrnInfoRec that can be set once at the beginning of
797 * the first server generation.
798 *
799 * (...)
800 *
801 * This includes probing for video memory, clocks, ramdac, and all other
802 * HW info that is needed. It includes determining the depth/bpp/visual
803 * and related info. It includes validating and determining the set of
804 * video modes that will be used (and anything that is required to
805 * determine that).
806 *
807 * This information should be determined in the least intrusive way
808 * possible. The state of the HW must remain unchanged by this function.
809 * Although video memory (including MMIO) may be mapped within this
810 * function, it must be unmapped before returning.
811 *
812 * END QUOTE
813 */
814
815static Bool
816VBOXPreInit(ScrnInfoPtr pScrn, int flags)
817{
818 VBOXPtr pVBox;
819 Gamma gzeros = {0.0, 0.0, 0.0};
820 rgb rzeros = {0, 0, 0};
821 unsigned DispiId;
822
823 TRACE_ENTRY();
824 /* Are we really starting the server, or is this just a dummy run? */
825 if (flags & PROBE_DETECT)
826 return (FALSE);
827
828 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "VirtualBox guest additions video driver version " VBOX_VERSION_STRING "r%d\n",
829 VBOX_SVN_REV);
830
831 /* Get our private data from the ScrnInfoRec structure. */
832 VBOXSetRec(pScrn);
833 pVBox = VBOXGetRec(pScrn);
834 if (!pVBox)
835 return FALSE;
836
837 /* Entity information seems to mean bus information. */
838 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
839
840 /* The ramdac module is needed for the hardware cursor. */
841 if (!xf86LoadSubModule(pScrn, "ramdac"))
842 return FALSE;
843
844 /* The framebuffer module. */
845 if (!xf86LoadSubModule(pScrn, "fb"))
846 return (FALSE);
847
848 if (!xf86LoadSubModule(pScrn, "shadowfb"))
849 return FALSE;
850
851 if (!xf86LoadSubModule(pScrn, "vgahw"))
852 return FALSE;
853
854#ifdef VBOX_DRI_OLD
855 /* Load the dri module. */
856 if (!xf86LoadSubModule(pScrn, "dri"))
857 return FALSE;
858#else
859# ifdef VBOX_DRI
860 /* Load the dri module. */
861 if (!xf86LoadSubModule(pScrn, "dri2"))
862 return FALSE;
863# endif
864#endif
865
866#ifndef PCIACCESS
867 if (pVBox->pEnt->location.type != BUS_PCI)
868 return FALSE;
869
870 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
871 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
872 pVBox->pciInfo->device,
873 pVBox->pciInfo->func);
874#endif
875
876 /* Set up our ScrnInfoRec structure to describe our virtual
877 capabilities to X. */
878
879 pScrn->chipset = "vbox";
880 /** @note needed during colourmap initialisation */
881 pScrn->rgbBits = 8;
882
883 /* Let's create a nice, capable virtual monitor. */
884 pScrn->monitor = pScrn->confScreen->monitor;
885 pScrn->monitor->DDC = NULL;
886 pScrn->monitor->nHsync = 1;
887 pScrn->monitor->hsync[0].lo = 1;
888 pScrn->monitor->hsync[0].hi = 10000;
889 pScrn->monitor->nVrefresh = 1;
890 pScrn->monitor->vrefresh[0].lo = 1;
891 pScrn->monitor->vrefresh[0].hi = 100;
892
893 pScrn->progClock = TRUE;
894
895 /* Using the PCI information caused problems with non-powers-of-two
896 sized video RAM configurations */
897 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
898 pScrn->videoRam = pVBox->cbFBMax / 1024;
899
900 /* Check if the chip restricts horizontal resolution or not. */
901 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
902
903 /* Set up clock information that will support all modes we need. */
904 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
905 pScrn->clockRanges->minClock = 1000;
906 pScrn->clockRanges->maxClock = 1000000000;
907 pScrn->clockRanges->clockIndex = -1;
908 pScrn->clockRanges->ClockMulFactor = 1;
909 pScrn->clockRanges->ClockDivFactor = 1;
910
911 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
912 return FALSE;
913 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
914 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
915 {
916 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
917 "The VBox additions only support 16 and 32bpp graphics modes\n");
918 return FALSE;
919 }
920 xf86PrintDepthBpp(pScrn);
921 vboxAddModes(pScrn);
922
923#ifdef VBOXVIDEO_13
924 /* Work around a bug in the original X server modesetting code, which took
925 * the first valid values set to these two as maxima over the server
926 * lifetime. This bug was introduced on Feb 15 2007 and was fixed in commit
927 * fa877d7f three months later, so it was present in X.Org Server 1.3. */
928 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
929 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
930#else
931 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
932 * already know what we like and what we don't. */
933
934 pScrn->currentMode = pScrn->modes;
935
936 /* Set the right virtual resolution. */
937 pScrn->virtualX = pScrn->bitsPerPixel == 16 ? (pScrn->currentMode->HDisplay + 1) & ~1 : pScrn->currentMode->HDisplay;
938 pScrn->virtualY = pScrn->currentMode->VDisplay;
939
940#endif /* !VBOXVIDEO_13 */
941
942 /* Needed before we initialise DRI. */
943 pScrn->displayWidth = pScrn->virtualX;
944
945 xf86PrintModes(pScrn);
946
947 /* VGA hardware initialisation */
948 if (!vgaHWGetHWRec(pScrn))
949 return FALSE;
950 /* Must be called before any VGA registers are saved or restored */
951 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
952 vgaHWGetIOBase(VGAHWPTR(pScrn));
953
954 /* Colour weight - we always call this, since we are always in
955 truecolour. */
956 if (!xf86SetWeight(pScrn, rzeros, rzeros))
957 return (FALSE);
958
959 /* visual init */
960 if (!xf86SetDefaultVisual(pScrn, -1))
961 return (FALSE);
962
963 xf86SetGamma(pScrn, gzeros);
964
965 /* Set the DPI. Perhaps we should read this from the host? */
966 xf86SetDpi(pScrn, 96, 96);
967
968 if (pScrn->memPhysBase == 0) {
969#ifdef PCIACCESS
970 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
971#else
972 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
973#endif
974 pScrn->fbOffset = 0;
975 }
976
977 TRACE_EXIT();
978 return (TRUE);
979}
980
981/**
982 * Dummy function for setting the colour palette, which we actually never
983 * touch. However, the server still requires us to provide this.
984 */
985static void
986vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
987 LOCO *colors, VisualPtr pVisual)
988{
989 (void)pScrn; (void) numColors; (void) indices; (void) colors;
990 (void)pVisual;
991}
992
993#define HAS_VT_ATOM_NAME "XFree86_has_VT"
994#define VBOXVIDEO_DRIVER_ATOM_NAME "VBOXVIDEO_DRIVER_IN_USE"
995/* The memory storing the initial value of the XFree86_has_VT root window
996 * property. This has to remain available until server start-up, so we just
997 * use a global. */
998static CARD32 InitialPropertyValue = 1;
999
1000/** Initialise a flag property on the root window to say whether the server VT
1001 * is currently the active one as some clients need to know this. */
1002static void initialiseProperties(ScrnInfoPtr pScrn)
1003{
1004 Atom atom = -1;
1005 CARD32 *PropertyValue = &InitialPropertyValue;
1006#ifdef SET_HAVE_VT_PROPERTY
1007 atom = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1, TRUE);
1008 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
1009 32, 1, PropertyValue) != Success)
1010 FatalError("vboxvideo: failed to register VT property\n");
1011#endif /* SET_HAVE_VT_PROPERTY */
1012 atom = MakeAtom(VBOXVIDEO_DRIVER_ATOM_NAME,
1013 sizeof(VBOXVIDEO_DRIVER_ATOM_NAME) - 1, TRUE);
1014 if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
1015 32, 1, PropertyValue) != Success)
1016 FatalError("vboxvideo: failed to register driver in use property\n");
1017}
1018
1019#ifdef SET_HAVE_VT_PROPERTY
1020/** Update a flag property on the root window to say whether the server VT
1021 * is currently the active one as some clients need to know this. */
1022static void updateHasVTProperty(ScrnInfoPtr pScrn, Bool hasVT)
1023{
1024 Atom property_name;
1025 int32_t value = hasVT ? 1 : 0;
1026 int i;
1027
1028 property_name = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1,
1029 FALSE);
1030 if (property_name == BAD_RESOURCE)
1031 FatalError("Failed to retrieve \"HAS_VT\" atom\n");
1032 if (ROOT_WINDOW(pScrn) == NULL)
1033 return;
1034 ChangeWindowProperty(ROOT_WINDOW(pScrn), property_name, XA_INTEGER, 32,
1035 PropModeReplace, 1, &value, TRUE);
1036}
1037#endif /* SET_HAVE_VT_PROPERTY */
1038
1039#ifdef VBOXVIDEO_13
1040
1041static void setVirtualSizeRandR12(ScrnInfoPtr pScrn, bool fLimitedContext)
1042{
1043 VBOXPtr pVBox = VBOXGetRec(pScrn);
1044 unsigned i;
1045 unsigned cx = 0;
1046 unsigned cy = 0;
1047
1048 for (i = 0; i < pVBox->cScreens; ++i)
1049 {
1050 if ( pVBox->fHaveHGSMIModeHints && pVBox->pScreens[i].afHaveLocation)
1051 {
1052 pVBox->pScreens[i].paCrtcs->x = pVBox->pScreens[i].aPreferredLocation.x;
1053 pVBox->pScreens[i].paCrtcs->y = pVBox->pScreens[i].aPreferredLocation.y;
1054 }
1055 if ( pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected
1056 && pVBox->pScreens[i].paCrtcs->x + pVBox->pScreens[i].aPreferredSize.cx < VBOX_VIDEO_MAX_VIRTUAL
1057 && pVBox->pScreens[i].paCrtcs->y + pVBox->pScreens[i].aPreferredSize.cy < VBOX_VIDEO_MAX_VIRTUAL)
1058 {
1059 cx = max(cx, pVBox->pScreens[i].paCrtcs->x + pVBox->pScreens[i].aPreferredSize.cx);
1060 cy = max(cy, pVBox->pScreens[i].paCrtcs->y + pVBox->pScreens[i].aPreferredSize.cy);
1061 }
1062 }
1063 if (cx != 0 && cy != 0)
1064 {
1065 /* Do not set the virtual resolution in limited context as that can
1066 * cause problems setting up RandR 1.2 which needs it set to the
1067 * maximum size at this point. */
1068 if (!fLimitedContext)
1069 {
1070 TRACE_LOG("cx=%u, cy=%u\n", cx, cy);
1071 xf86ScrnToScreen(pScrn)->width = cx;
1072 xf86ScrnToScreen(pScrn)->height = cy;
1073 adjustScreenPixmap(pScrn, cx, cy);
1074 vbvxSetSolarisMouseRange(cx, cy);
1075 }
1076 }
1077}
1078
1079static void setScreenSizesRandR12(ScrnInfoPtr pScrn, bool fLimitedContext)
1080{
1081 VBOXPtr pVBox = VBOXGetRec(pScrn);
1082 unsigned i;
1083
1084 for (i = 0; i < pVBox->cScreens; ++i)
1085 {
1086 if (!pVBox->pScreens[i].afConnected)
1087 continue;
1088 /* The Crtc can get "unset" if the screen was disconnected previously.
1089 * I couldn't find an API to re-set it which did not have side-effects.
1090 */
1091 pVBox->pScreens[i].paOutputs->crtc = pVBox->pScreens[i].paCrtcs;
1092 xf86CrtcSetMode(pVBox->pScreens[i].paCrtcs, pVBox->pScreens[i].paOutputs->probed_modes, RR_Rotate_0,
1093 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y);
1094 if (!fLimitedContext)
1095 RRCrtcNotify(pVBox->pScreens[i].paCrtcs->randr_crtc, pVBox->pScreens[i].paOutputs->randr_output->modes[0],
1096 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, RR_Rotate_0,
1097#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1098 NULL,
1099#endif
1100 1, &pVBox->pScreens[i].paOutputs->randr_output);
1101 }
1102}
1103
1104static void setSizesRandR12(ScrnInfoPtr pScrn, bool fLimitedContext)
1105{
1106 VBOXPtr pVBox = VBOXGetRec(pScrn);
1107
1108 if (!fLimitedContext)
1109 {
1110# if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1111 RRGetInfo(xf86ScrnToScreen(pScrn), TRUE);
1112# else
1113 RRGetInfo(xf86ScrnToScreen(pScrn));
1114# endif
1115 }
1116 setVirtualSizeRandR12(pScrn, fLimitedContext);
1117 setScreenSizesRandR12(pScrn, fLimitedContext);
1118 if (!fLimitedContext)
1119 {
1120 /* We use RRScreenSizeSet() here and not RRScreenSizeNotify() because
1121 * the first also pushes the virtual screen size to the input driver.
1122 * We were doing this manually by setting screenInfo.width and height
1123 * and calling xf86UpdateDesktopDimensions() where appropriate, but this
1124 * failed on Ubuntu 12.04.0 due to a problematic X server back-port. */
1125 RRScreenSizeSet(xf86ScrnToScreen(pScrn), xf86ScrnToScreen(pScrn)->width, xf86ScrnToScreen(pScrn)->height,
1126 xf86ScrnToScreen(pScrn)->mmWidth, xf86ScrnToScreen(pScrn)->mmHeight);
1127 RRTellChanged(xf86ScrnToScreen(pScrn));
1128 }
1129}
1130
1131#else
1132
1133static void setSizesRandR11(ScrnInfoPtr pScrn, bool fLimitedContext)
1134{
1135 VBOXPtr pVBox = VBOXGetRec(pScrn);
1136 DisplayModePtr pNewMode;
1137
1138 pNewMode = pScrn->modes != pScrn->currentMode ? pScrn->modes : pScrn->modes->next;
1139 pNewMode->HDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1140 pNewMode->VDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1141 setModeRandR11(pScrn, pNewMode, fLimitedContext);
1142}
1143
1144#endif
1145
1146static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime)
1147{
1148 VBOXPtr pVBox = VBOXGetRec(pScrn);
1149
1150 TRACE_LOG("fScreenInitTime=%d\n", (int)fScreenInitTime);
1151#ifdef VBOXVIDEO_13
1152 setSizesRandR12(pScrn, fScreenInitTime);
1153#else
1154 setSizesRandR11(pScrn, fScreenInitTime);
1155#endif
1156 if (pScrn->vtSema)
1157 vbvxReprobeCursor(pScrn);
1158}
1159
1160/* We update the size hints from the X11 property set by VBoxClient every time
1161 * that the X server goes to sleep (to catch the property change request).
1162 * Although this is far more often than necessary it should not have real-life
1163 * performance consequences and allows us to simplify the code quite a bit. */
1164static void updateSizeHintsBlockHandler(pointer pData, OSTimePtr pTimeout, pointer pReadmask)
1165{
1166 ScrnInfoPtr pScrn = (ScrnInfoPtr)pData;
1167 VBOXPtr pVBox = VBOXGetRec(pScrn);
1168 bool fNeedUpdate = false;
1169
1170 (void)pTimeout;
1171 (void)pReadmask;
1172 if (!pScrn->vtSema)
1173 return;
1174 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, &fNeedUpdate);
1175 if (ROOT_WINDOW(pScrn) != NULL)
1176 vbvxReadSizesAndCursorIntegrationFromProperties(pScrn, &fNeedUpdate);
1177 if (fNeedUpdate)
1178 setSizesAndCursorIntegration(pScrn, false);
1179}
1180
1181/*
1182 * QUOTE from the XFree86 DESIGN document:
1183 *
1184 * This is called at the start of each server generation.
1185 *
1186 * (...)
1187 *
1188 * Decide which operations need to be placed under resource access
1189 * control. (...) Map any video memory or other memory regions. (...)
1190 * Save the video card state. (...) Initialise the initial video
1191 * mode.
1192 *
1193 * End QUOTE.
1194 */
1195static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1196{
1197 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1198 VBOXPtr pVBox = VBOXGetRec(pScrn);
1199 VisualPtr visual;
1200 unsigned flags;
1201
1202 TRACE_ENTRY();
1203
1204 if (!VBOXMapVidMem(pScrn))
1205 return (FALSE);
1206
1207 /* save current video state */
1208 VBOXSaveMode(pScrn);
1209
1210 /* mi layer - reset the visual list (?)*/
1211 miClearVisualTypes();
1212 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1213 pScrn->rgbBits, TrueColor))
1214 return (FALSE);
1215 if (!miSetPixmapDepths())
1216 return (FALSE);
1217
1218#ifdef VBOX_DRI
1219 pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
1220# ifndef VBOX_DRI_OLD /* DRI2 */
1221 if (pVBox->drmFD >= 0)
1222 /* Tell the kernel driver, if present, that we are taking over. */
1223 drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
1224# endif
1225#endif
1226
1227 if (!fbScreenInit(pScreen, pVBox->base,
1228 pScrn->virtualX, pScrn->virtualY,
1229 pScrn->xDpi, pScrn->yDpi,
1230 pScrn->displayWidth, pScrn->bitsPerPixel))
1231 return (FALSE);
1232
1233 /* Fixup RGB ordering */
1234 /** @note the X server uses this even in true colour. */
1235 visual = pScreen->visuals + pScreen->numVisuals;
1236 while (--visual >= pScreen->visuals) {
1237 if ((visual->class | DynamicClass) == DirectColor) {
1238 visual->offsetRed = pScrn->offset.red;
1239 visual->offsetGreen = pScrn->offset.green;
1240 visual->offsetBlue = pScrn->offset.blue;
1241 visual->redMask = pScrn->mask.red;
1242 visual->greenMask = pScrn->mask.green;
1243 visual->blueMask = pScrn->mask.blue;
1244 }
1245 }
1246
1247 /* must be after RGB ordering fixed */
1248 fbPictureInit(pScreen, 0, 0);
1249
1250 xf86SetBlackWhitePixels(pScreen);
1251 pScrn->vtSema = TRUE;
1252
1253#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1254 vbvxSetUpLinuxACPI(pScreen);
1255#endif
1256
1257 if (!VBoxHGSMIIsSupported())
1258 {
1259 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Graphics device too old to support.\n");
1260 return FALSE;
1261 }
1262 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1263 pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx);
1264 pVBox->pScreens = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->pScreens));
1265 pVBox->paVBVAModeHints = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->paVBVAModeHints));
1266 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n", pVBox->cScreens);
1267 vboxEnableVbva(pScrn);
1268 /* Set up the dirty rectangle handler. It will be added into a function
1269 * chain and gets removed when the screen is cleaned up. */
1270 if (ShadowFBInit2(pScreen, NULL, vbvxHandleDirtyRect) != TRUE)
1271 return FALSE;
1272 VBoxInitialiseSizeHints(pScrn);
1273 /* Get any screen size hints from HGSMI. Do not yet try to access X11
1274 * properties, as they are not yet set up, and nor are the clients that
1275 * might have set them. */
1276 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, NULL);
1277
1278#ifdef VBOXVIDEO_13
1279 /* Initialise CRTC and output configuration for use with randr1.2. */
1280 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1281
1282 {
1283 uint32_t i;
1284
1285 for (i = 0; i < pVBox->cScreens; ++i)
1286 {
1287 char szOutput[256];
1288
1289 /* Setup our virtual CRTCs. */
1290 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1291 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1292
1293 /* Set up our virtual outputs. */
1294 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1295 pVBox->pScreens[i].paOutputs
1296 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1297
1298 /* We are not interested in the monitor section in the
1299 * configuration file. */
1300 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1301 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1302 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1303 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1304 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1305 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1306 (void *)pVBox->pScreens[i].paOutputs);
1307 }
1308 }
1309
1310 /* Set a sane minimum and maximum mode size to match what the hardware
1311 * supports. */
1312 xf86CrtcSetSizeRange(pScrn, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL, VBOX_VIDEO_MAX_VIRTUAL);
1313
1314 /* Now create our initial CRTC/output configuration. */
1315 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1316 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1317 return (FALSE);
1318 }
1319
1320 /* Initialise randr 1.2 mode-setting functions. */
1321 if (!xf86CrtcScreenInit(pScreen)) {
1322 return FALSE;
1323 }
1324
1325#endif
1326 /* set first video mode */
1327 setSizesAndCursorIntegration(pScrn, true);
1328
1329 /* Register block and wake-up handlers for getting new screen size hints. */
1330 RegisterBlockAndWakeupHandlers(updateSizeHintsBlockHandler, (WakeupHandlerProcPtr)NoopDDA, (pointer)pScrn);
1331
1332 /* software cursor */
1333 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1334
1335 /* colourmap code */
1336 if (!miCreateDefColormap(pScreen))
1337 return (FALSE);
1338
1339 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1340 return (FALSE);
1341
1342 pVBox->CloseScreen = pScreen->CloseScreen;
1343 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1344#ifdef VBOXVIDEO_13
1345 pScreen->SaveScreen = xf86SaveScreen;
1346#else
1347 pScreen->SaveScreen = VBOXSaveScreen;
1348#endif
1349
1350#ifdef VBOXVIDEO_13
1351 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1352#else
1353 /* We probably do want to support power management - even if we just use
1354 a dummy function. */
1355 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1356#endif
1357
1358 /* Report any unused options (only for the first generation) */
1359 if (serverGeneration == 1)
1360 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1361
1362 if (vbvxCursorInit(pScreen) != TRUE)
1363 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1364 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1365
1366#ifdef VBOX_DRI_OLD
1367 if (pVBox->useDRI)
1368 pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
1369#endif
1370
1371 initialiseProperties(pScrn);
1372
1373 return (TRUE);
1374}
1375
1376static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1377{
1378 VBOXPtr pVBox = VBOXGetRec(pScrn);
1379
1380 TRACE_ENTRY();
1381#ifdef VBOX_DRI_OLD
1382 if (pVBox->useDRI)
1383 DRIUnlock(xf86ScrnToScreen(pScrn));
1384#elif defined(VBOX_DRI) /* DRI2 */
1385 if (pVBox->drmFD >= 0)
1386 {
1387 /* Tell the kernel driver, if present, that we are taking over. */
1388 drmSetMaster(pVBox->drmFD);
1389 }
1390#endif
1391 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1392 vboxEnableVbva(pScrn);
1393 /* Re-set video mode */
1394 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, NULL);
1395 vbvxReadSizesAndCursorIntegrationFromProperties(pScrn, NULL);
1396 /* This prevents a crash in CentOS 3. I was unable to debug it to
1397 * satisfaction, partly due to the lack of symbols. My guess is that
1398 * pScrn->ModifyPixmapHeader() expects certain things to be set up when
1399 * it sees pScrn->vtSema set to true which are not quite done at this
1400 * point of the VT switch. */
1401 pScrn->vtSema = FALSE;
1402 setSizesAndCursorIntegration(pScrn, false);
1403 pScrn->vtSema = TRUE;
1404#ifdef SET_HAVE_VT_PROPERTY
1405 updateHasVTProperty(pScrn, TRUE);
1406#endif
1407 return TRUE;
1408}
1409
1410static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1411{
1412 VBOXPtr pVBox = VBOXGetRec(pScrn);
1413#ifdef VBOXVIDEO_13
1414 unsigned i;
1415#endif
1416
1417 TRACE_ENTRY();
1418#ifdef VBOXVIDEO_13
1419 for (i = 0; i < pVBox->cScreens; ++i)
1420 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1421#endif
1422 vboxDisableVbva(pScrn);
1423 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1424#ifdef VBOX_DRI_OLD
1425 if (pVBox->useDRI)
1426 DRILock(xf86ScrnToScreen(pScrn), 0);
1427#elif defined(VBOX_DRI) /* DRI2 */
1428 if (pVBox->drmFD >= 0)
1429 drmDropMaster(pVBox->drmFD);
1430#endif
1431 VBOXRestoreMode(pScrn);
1432#ifdef SET_HAVE_VT_PROPERTY
1433 updateHasVTProperty(pScrn, FALSE);
1434#endif
1435 TRACE_EXIT();
1436}
1437
1438static Bool VBOXCloseScreen(ScreenPtr pScreen)
1439{
1440 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1441 VBOXPtr pVBox = VBOXGetRec(pScrn);
1442#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1443 BOOL fRestore = TRUE;
1444#endif
1445 if (pScrn->vtSema)
1446 {
1447#ifdef VBOXVIDEO_13
1448 unsigned i;
1449
1450 for (i = 0; i < pVBox->cScreens; ++i)
1451 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1452#endif
1453 vboxDisableVbva(pScrn);
1454 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1455 }
1456#ifdef VBOX_DRI
1457# ifndef VBOX_DRI_OLD /* DRI2 */
1458 if ( pVBox->drmFD >= 0
1459 /* Tell the kernel driver, if present, that we are going away. */
1460 && drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) >= 0)
1461 fRestore = false;
1462# endif
1463 if (pVBox->useDRI)
1464 VBOXDRICloseScreen(pScreen, pVBox);
1465 pVBox->useDRI = false;
1466#endif
1467#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
1468 if (fRestore)
1469#endif
1470 if (pScrn->vtSema)
1471 VBOXRestoreMode(pScrn);
1472 if (pScrn->vtSema)
1473 VBOXUnmapVidMem(pScrn);
1474 pScrn->vtSema = FALSE;
1475
1476 vbvxCursorTerm(pVBox);
1477
1478 pScreen->CloseScreen = pVBox->CloseScreen;
1479#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1480 vbvxCleanUpLinuxACPI(pScreen);
1481#endif
1482#ifndef XF86_SCRN_INTERFACE
1483 return pScreen->CloseScreen(pScreen->myNum, pScreen);
1484#else
1485 return pScreen->CloseScreen(pScreen);
1486#endif
1487}
1488
1489static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1490{
1491 VBOXPtr pVBox;
1492 Bool rc = TRUE;
1493
1494 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1495 if (!pScrn->vtSema)
1496 {
1497 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1498 "We do not own the active VT, exiting.\n");
1499 return TRUE;
1500 }
1501#ifdef VBOXVIDEO_13
1502 rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
1503#else
1504 setModeRandR11(pScrn, pMode, false);
1505#endif
1506 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1507 return rc;
1508}
1509
1510static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1511{ (void)pScrn; (void)x; (void)y; }
1512
1513static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1514{
1515 /* Destroy the VGA hardware record */
1516 vgaHWFreeHWRec(pScrn);
1517 /* And our private record */
1518 free(pScrn->driverPrivate);
1519 pScrn->driverPrivate = NULL;
1520}
1521
1522static Bool
1523VBOXMapVidMem(ScrnInfoPtr pScrn)
1524{
1525 VBOXPtr pVBox = VBOXGetRec(pScrn);
1526 Bool rc = TRUE;
1527
1528 TRACE_ENTRY();
1529 if (!pVBox->base)
1530 {
1531#ifdef PCIACCESS
1532 (void) pci_device_map_range(pVBox->pciInfo,
1533 pScrn->memPhysBase,
1534 pScrn->videoRam * 1024,
1535 PCI_DEV_MAP_FLAG_WRITABLE,
1536 & pVBox->base);
1537#else
1538 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1539 VIDMEM_FRAMEBUFFER,
1540 pVBox->pciTag, pScrn->memPhysBase,
1541 (unsigned) pScrn->videoRam * 1024);
1542#endif
1543 if (!pVBox->base)
1544 rc = FALSE;
1545 }
1546 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1547 return rc;
1548}
1549
1550static void
1551VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1552{
1553 VBOXPtr pVBox = VBOXGetRec(pScrn);
1554
1555 TRACE_ENTRY();
1556 if (pVBox->base == NULL)
1557 return;
1558
1559#ifdef PCIACCESS
1560 (void) pci_device_unmap_range(pVBox->pciInfo,
1561 pVBox->base,
1562 pScrn->videoRam * 1024);
1563#else
1564 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1565 (unsigned) pScrn->videoRam * 1024);
1566#endif
1567 pVBox->base = NULL;
1568 TRACE_EXIT();
1569}
1570
1571static Bool
1572VBOXSaveScreen(ScreenPtr pScreen, int mode)
1573{
1574 (void)pScreen; (void)mode;
1575 return TRUE;
1576}
1577
1578void
1579VBOXSaveMode(ScrnInfoPtr pScrn)
1580{
1581 VBOXPtr pVBox = VBOXGetRec(pScrn);
1582 vgaRegPtr vgaReg;
1583
1584 TRACE_ENTRY();
1585 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1586 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1587 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1588 &pVBox->cSavedHeight,
1589 &pVBox->cSavedPitch,
1590 &pVBox->cSavedBPP,
1591 &pVBox->fSavedFlags);
1592}
1593
1594void
1595VBOXRestoreMode(ScrnInfoPtr pScrn)
1596{
1597 VBOXPtr pVBox = VBOXGetRec(pScrn);
1598 vgaRegPtr vgaReg;
1599#ifdef VBOX_DRI
1600 drmModeResPtr pRes;
1601#endif
1602
1603 TRACE_ENTRY();
1604#ifdef VBOX_DRI
1605 /* Do not try to re-set the VGA state if a mode-setting driver is loaded. */
1606 if ( pVBox->drmFD >= 0
1607 && LoaderSymbol("drmModeGetResources") != NULL
1608 && (pRes = drmModeGetResources(pVBox->drmFD)) != NULL)
1609 {
1610 drmModeFreeResources(pRes);
1611 return;
1612 }
1613#endif
1614 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1615 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1616 if (pVBox->fSavedVBEMode)
1617 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1618 pVBox->cSavedPitch, pVBox->cSavedBPP,
1619 pVBox->fSavedFlags, 0, 0);
1620 else
1621 VBoxVideoDisableVBE();
1622}
1623
1624static void
1625VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
1626 int flags)
1627{
1628 (void)pScrn; (void)mode; (void) flags;
1629}
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