VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 68634

Last change on this file since 68634 was 68634, checked in by vboxsync, 7 years ago

Reduce number of VBoxGuest.h includes.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 49.0 KB
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1/* $Id: vboxvideo.c 68634 2017-09-05 11:56:15Z vboxsync $ */
2/** @file
3 * Linux Additions X11 graphics driver
4 */
5
6/*
7 * Copyright (C) 2006-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 * --------------------------------------------------------------------
17 *
18 * This code is based on the X.Org VESA driver with the following copyrights:
19 *
20 * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
21 * Copyright 2008 Red Hat, Inc.
22 * Copyright 2012 Red Hat, Inc.
23 *
24 * and the following permission notice (not all original sourse files include
25 * the last paragraph):
26 *
27 * Permission is hereby granted, free of charge, to any person obtaining a
28 * copy of this software and associated documentation files (the "Software"),
29 * to deal in the Software without restriction, including without limitation
30 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
31 * and/or sell copies of the Software, and to permit persons to whom the
32 * Software is furnished to do so, subject to the following conditions:
33 *
34 * The above copyright notice and this permission notice shall be included in
35 * all copies or substantial portions of the Software.
36 *
37 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
38 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
39 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
40 * CONECTIVA LINUX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
41 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
42 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
43 * SOFTWARE.
44 *
45 * Except as contained in this notice, the name of Conectiva Linux shall
46 * not be used in advertising or otherwise to promote the sale, use or other
47 * dealings in this Software without prior written authorization from
48 * Conectiva Linux.
49 *
50 * Authors: Paulo César Pereira de Andrade <[email protected]>
51 * David Dawes <[email protected]>
52 * Adam Jackson <[email protected]>
53 * Dave Airlie <[email protected]>
54 */
55
56#include "vboxvideo.h"
57#include <VBox/VMMDev.h> /* for VBOX_DEVICEID and VBOX_VENDORID */
58#include <VBox/VBoxGuestLib.h>
59#include <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 VBOXVIDEO_13
82/* X.org 1.3+ mode setting */
83# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
84# include "xf86Crtc.h"
85# include "xf86Modes.h"
86/* For xf86RandR12GetOriginalVirtualSize(). */
87# include "xf86RandR12.h"
88#endif
89/* For setting the root window property. */
90#include "property.h"
91#include "X11/Xatom.h"
92
93#ifdef XORG_7X
94# include <stdlib.h>
95# include <string.h>
96# include <fcntl.h>
97# include <unistd.h>
98#endif
99
100/* Mandatory functions */
101
102static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
103static void VBOXIdentify(int flags);
104#ifndef PCIACCESS
105static Bool VBOXProbe(DriverPtr drv, int flags);
106#else
107static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
108 struct pci_device *dev, intptr_t match_data);
109#endif
110static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
111static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
112static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
113static void VBOXLeaveVT(ScrnInfoPtr pScrn);
114static Bool VBOXCloseScreen(ScreenPtr pScreen);
115#ifndef VBOXVIDEO_13
116static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
117#endif
118static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
119static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
120static void VBOXFreeScreen(ScrnInfoPtr pScrn);
121#ifndef VBOXVIDEO_13
122static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags);
123#endif
124
125/* locally used functions */
126static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
127static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
128static void VBOXSaveMode(ScrnInfoPtr pScrn);
129static void VBOXRestoreMode(ScrnInfoPtr pScrn);
130static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime);
131
132#ifndef XF86_SCRN_INTERFACE
133# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
134# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
135#endif
136
137static inline void VBOXSetRec(ScrnInfoPtr pScrn)
138{
139 if (!pScrn->driverPrivate)
140 {
141 VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1);
142 pScrn->driverPrivate = pVBox;
143#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
144 pVBox->fdACPIDevices = -1;
145#endif
146 }
147}
148
149enum GenericTypes
150{
151 CHIP_VBOX_GENERIC
152};
153
154#ifdef PCIACCESS
155static const struct pci_id_match vbox_device_match[] = {
156 {
157 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
158 0, 0, 0
159 },
160
161 { 0, 0, 0 },
162};
163#endif
164
165/* Supported chipsets */
166static SymTabRec VBOXChipsets[] =
167{
168 {VBOX_DEVICEID, "vbox"},
169 {-1, NULL}
170};
171
172static PciChipsets VBOXPCIchipsets[] = {
173 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
174 { -1, -1, RES_UNDEFINED },
175};
176
177/*
178 * This contains the functions needed by the server after loading the
179 * driver module. It must be supplied, and gets added the driver list by
180 * the Module Setup function in the dynamic case. In the static case a
181 * reference to this is compiled in, and this requires that the name of
182 * this DriverRec be an upper-case version of the driver name.
183 */
184
185#ifdef XORG_7X
186_X_EXPORT
187#endif
188DriverRec VBOXVIDEO = {
189 VBOX_VERSION,
190 VBOX_DRIVER_NAME,
191 VBOXIdentify,
192#ifdef PCIACCESS
193 NULL,
194#else
195 VBOXProbe,
196#endif
197 VBOXAvailableOptions,
198 NULL,
199 0,
200#ifdef XORG_7X
201 NULL,
202#endif
203#ifdef PCIACCESS
204 vbox_device_match,
205 VBOXPciProbe
206#endif
207};
208
209/* No options for now */
210static const OptionInfoRec VBOXOptions[] = {
211 { -1, NULL, OPTV_NONE, {0}, FALSE }
212};
213
214#ifndef XORG_7X
215/*
216 * List of symbols from other modules that this module references. This
217 * list is used to tell the loader that it is OK for symbols here to be
218 * unresolved providing that it hasn't been told that they haven't been
219 * told that they are essential via a call to xf86LoaderReqSymbols() or
220 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
221 * unresolved symbols that are not required.
222 */
223static const char *fbSymbols[] = {
224 "fbPictureInit",
225 "fbScreenInit",
226 NULL
227};
228
229static const char *shadowfbSymbols[] = {
230 "ShadowFBInit2",
231 NULL
232};
233
234static const char *ramdacSymbols[] = {
235 "xf86DestroyCursorInfoRec",
236 "xf86InitCursor",
237 "xf86CreateCursorInfoRec",
238 NULL
239};
240
241static const char *vgahwSymbols[] = {
242 "vgaHWFreeHWRec",
243 "vgaHWGetHWRec",
244 "vgaHWGetIOBase",
245 "vgaHWGetIndex",
246 "vgaHWRestore",
247 "vgaHWSave",
248 "vgaHWSetStdFuncs",
249 NULL
250};
251#endif /* !XORG_7X */
252
253/** Resize the virtual framebuffer. */
254static Bool adjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height)
255{
256 ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
257 VBOXPtr pVBox = VBOXGetRec(pScrn);
258 int adjustedWidth = pScrn->bitsPerPixel == 16 ? (width + 1) & ~1 : width;
259 int cbLine = adjustedWidth * pScrn->bitsPerPixel / 8;
260 PixmapPtr pPixmap;
261
262 TRACE_LOG("width=%d, height=%d\n", width, height);
263 VBVXASSERT(width >= 0 && height >= 0, ("Invalid negative width (%d) or height (%d)\n", width, height));
264 if (pScreen == NULL) /* Not yet initialised. */
265 return TRUE;
266 pPixmap = pScreen->GetScreenPixmap(pScreen);
267 VBVXASSERT(pPixmap != NULL, ("Failed to get the screen pixmap.\n"));
268 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",
269 pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base, pPixmap->drawable.width,
270 pPixmap->drawable.height);
271 if ( adjustedWidth != pPixmap->drawable.width
272 || height != pPixmap->drawable.height)
273 {
274 if ( adjustedWidth > VBOX_VIDEO_MAX_VIRTUAL || height > VBOX_VIDEO_MAX_VIRTUAL
275 || (unsigned)cbLine * (unsigned)height >= pVBox->cbFBMax)
276 {
277 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
278 "Virtual framebuffer %dx%d too large. For information, video memory: %u Kb.\n",
279 adjustedWidth, height, (unsigned) pVBox->cbFBMax / 1024);
280 return FALSE;
281 }
282 if (pScrn->vtSema)
283 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8),
284 ((size_t)adjustedWidth) * height * (pScrn->bitsPerPixel / 8));
285 pScreen->ModifyPixmapHeader(pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base);
286 }
287 pScrn->displayWidth = pScrn->virtualX = adjustedWidth;
288 pScrn->virtualY = height;
289 return TRUE;
290}
291
292#ifndef VBOXVIDEO_13
293/** Set a video mode to the hardware, RandR 1.1 version.
294 *
295 * Since we no longer do virtual frame buffers, adjust the screen pixmap
296 * dimensions to match. The "override" parameters are for when we received a
297 * mode hint while switched to a virtual terminal. In this case VBoxClient will
298 * have told us about the mode, but not yet been able to do a mode switch using
299 * RandR. We solve this by setting the requested mode to the host but keeping
300 * the virtual frame-
301 * buffer matching what the X server expects. */
302static void setModeRandR11(ScrnInfoPtr pScrn, DisplayModePtr pMode, bool fScreenInitTime, bool fEnterVTTime,
303 int cXOverRide, int cYOverRide)
304{
305 VBOXPtr pVBox = VBOXGetRec(pScrn);
306 struct vbvxFrameBuffer frameBuffer = { 0, 0, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel};
307 int cXPhysical = cXOverRide > 0 ? min(cXOverRide, pMode->HDisplay) : pMode->HDisplay;
308 int cYPhysical = cYOverRide > 0 ? min(cYOverRide, pMode->VDisplay) : pMode->VDisplay;
309
310 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
311 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
312 if (fScreenInitTime)
313 {
314 /* The screen structure is not fully set up yet, so do not touch it. */
315 pScrn->displayWidth = pScrn->virtualX = pMode->HDisplay;
316 pScrn->virtualY = pMode->VDisplay;
317 }
318 else
319 {
320 xf86ScrnToScreen(pScrn)->width = pMode->HDisplay;
321 xf86ScrnToScreen(pScrn)->height = pMode->VDisplay;
322 /* This prevents a crash in CentOS 3. I was unable to debug it to
323 * satisfaction, partly due to the lack of symbols. My guess is that
324 * pScrn->ModifyPixmapHeader() expects certain things to be set up when
325 * it sees pScrn->vtSema set to true which are not quite done at this
326 * point of the VT switch. */
327 if (fEnterVTTime)
328 pScrn->vtSema = FALSE;
329 adjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
330 if (fEnterVTTime)
331 pScrn->vtSema = TRUE;
332 }
333 if (pMode->HDisplay != 0 && pMode->VDisplay != 0 && pScrn->vtSema)
334 vbvxSetMode(pScrn, 0, cXPhysical, cYPhysical, 0, 0, true, true, &frameBuffer);
335 pScrn->currentMode = pMode;
336}
337#endif
338
339#ifdef VBOXVIDEO_13
340/* X.org 1.3+ mode-setting support ******************************************/
341
342/** Set a video mode to the hardware, RandR 1.2 version. If this is the first
343 * screen, re-set the current mode for all others (the offset for the first
344 * screen is always treated as zero by the hardware, so all other screens need
345 * to be changed to compensate for any changes!). The mode to set is taken
346 * from the X.Org Crtc structure. */
347static void setModeRandR12(ScrnInfoPtr pScrn, unsigned cScreen)
348{
349 VBOXPtr pVBox = VBOXGetRec(pScrn);
350 unsigned i;
351 struct vbvxFrameBuffer frameBuffer = { pVBox->pScreens[0].paCrtcs->x, pVBox->pScreens[0].paCrtcs->y, pScrn->virtualX,
352 pScrn->virtualY, pScrn->bitsPerPixel };
353 unsigned cFirst = cScreen;
354 unsigned cLast = cScreen != 0 ? cScreen + 1 : pVBox->cScreens;
355 int originalX, originalY;
356
357 /* Check that this code cannot trigger the resizing bug in X.Org Server 1.3.
358 * See the work-around in ScreenInit. */
359 xf86RandR12GetOriginalVirtualSize(pScrn, &originalX, &originalY);
360 VBVXASSERT(originalX == VBOX_VIDEO_MAX_VIRTUAL && originalY == VBOX_VIDEO_MAX_VIRTUAL, ("OriginalSize=%dx%d",
361 originalX, originalY));
362 for (i = cFirst; i < cLast; ++i)
363 if (pVBox->pScreens[i].paCrtcs->mode.HDisplay != 0 && pVBox->pScreens[i].paCrtcs->mode.VDisplay != 0 && pScrn->vtSema)
364 vbvxSetMode(pScrn, i, pVBox->pScreens[i].paCrtcs->mode.HDisplay, pVBox->pScreens[i].paCrtcs->mode.VDisplay,
365 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, pVBox->pScreens[i].fPowerOn,
366 pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected, &frameBuffer);
367}
368
369/** Wrapper around setModeRandR12() to avoid exposing non-obvious semantics.
370 */
371static void setAllModesRandR12(ScrnInfoPtr pScrn)
372{
373 setModeRandR12(pScrn, 0);
374}
375
376/* For descriptions of these functions and structures, see
377 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
378 X.Org source tree. */
379
380static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
381{
382 VBOXPtr pVBox = VBOXGetRec(pScrn);
383 Bool rc;
384 unsigned i;
385
386 TRACE_LOG("width=%d, height=%d\n", cw, ch);
387 rc = adjustScreenPixmap(pScrn, cw, ch);
388 /* Power-on all screens (the server expects this) and set the new pitch to them. */
389 for (i = 0; i < pVBox->cScreens; ++i)
390 pVBox->pScreens[i].fPowerOn = true;
391 setAllModesRandR12(pScrn);
392 vbvxSetSolarisMouseRange(cw, ch);
393 return rc;
394}
395
396static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
397 vbox_config_resize
398};
399
400static void
401vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
402{
403 ScrnInfoPtr pScrn = crtc->scrn;
404 VBOXPtr pVBox = VBOXGetRec(pScrn);
405 unsigned cDisplay = (uintptr_t)crtc->driver_private;
406
407 TRACE_LOG("mode=%d\n", mode);
408 pVBox->pScreens[cDisplay].fPowerOn = (mode != DPMSModeOff);
409 setModeRandR12(pScrn, cDisplay);
410}
411
412static Bool
413vbox_crtc_lock (xf86CrtcPtr crtc)
414{ (void) crtc; return FALSE; }
415
416
417/* We use this function to check whether the X server owns the active virtual
418 * terminal before attempting a mode switch, since the RandR extension isn't
419 * very dilligent here, which can mean crashes if we are unlucky. This is
420 * not the way it the function is intended - it is meant for reporting modes
421 * which the hardware can't handle. I hope that this won't confuse any clients
422 * connecting to us. */
423static Bool
424vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
425 DisplayModePtr adjusted_mode)
426{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
427
428static void
429vbox_crtc_stub (xf86CrtcPtr crtc)
430{ (void) crtc; }
431
432static void
433vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
434 DisplayModePtr adjusted_mode, int x, int y)
435{
436 (void) mode;
437 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
438 unsigned cDisplay = (uintptr_t)crtc->driver_private;
439
440 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
441 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
442 pVBox->pScreens[cDisplay].fPowerOn = true;
443 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
444 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
445 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
446 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
447 setModeRandR12(crtc->scrn, cDisplay);
448}
449
450static void
451vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
452 CARD16 *green, CARD16 *blue, int size)
453{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
454
455static void *
456vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
457{ (void) crtc; (void) width; (void) height; return NULL; }
458
459static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
460 .dpms = vbox_crtc_dpms,
461 .save = NULL, /* These two are never called by the server. */
462 .restore = NULL,
463 .lock = vbox_crtc_lock,
464 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
465 .mode_fixup = vbox_crtc_mode_fixup,
466 .prepare = vbox_crtc_stub,
467 .mode_set = vbox_crtc_mode_set,
468 .commit = vbox_crtc_stub,
469 .gamma_set = vbox_crtc_gamma_set,
470 .shadow_allocate = vbox_crtc_shadow_allocate,
471 .shadow_create = NULL, /* These two should not be invoked if allocate
472 returns NULL. */
473 .shadow_destroy = NULL,
474 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
475 .set_cursor_position = NULL,
476 .show_cursor = NULL,
477 .hide_cursor = NULL,
478 .load_cursor_argb = NULL,
479 .destroy = vbox_crtc_stub
480};
481
482static void
483vbox_output_stub (xf86OutputPtr output)
484{ (void) output; }
485
486static void
487vbox_output_dpms (xf86OutputPtr output, int mode)
488{
489 (void)output; (void)mode;
490}
491
492static int
493vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
494{
495 return MODE_OK;
496}
497
498static Bool
499vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
500 DisplayModePtr adjusted_mode)
501{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
502
503static void
504vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
505 DisplayModePtr adjusted_mode)
506{ (void) output; (void) mode; (void) adjusted_mode; }
507
508/* A virtual monitor is always connected. */
509static xf86OutputStatus
510vbox_output_detect (xf86OutputPtr output)
511{
512 ScrnInfoPtr pScrn = output->scrn;
513 VBOXPtr pVBox = VBOXGetRec(pScrn);
514 uint32_t iScreen = (uintptr_t)output->driver_private;
515 return pVBox->pScreens[iScreen].afConnected
516 ? XF86OutputStatusConnected : XF86OutputStatusDisconnected;
517}
518
519static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y,
520 Bool isPreferred, Bool isUserDef)
521{
522 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
523 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
524 int cRefresh = 60;
525
526 pMode->status = MODE_OK;
527 /* We don't ask the host whether it likes user defined modes,
528 * as we assume that the user really wanted that mode. */
529 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
530 if (isPreferred)
531 pMode->type |= M_T_PREFERRED;
532 /* Older versions of VBox only support screen widths which are a multiple
533 * of 8 */
534 if (pVBox->fAnyX)
535 pMode->HDisplay = x;
536 else
537 pMode->HDisplay = x & ~7;
538 pMode->HSyncStart = pMode->HDisplay + 2;
539 pMode->HSyncEnd = pMode->HDisplay + 4;
540 pMode->HTotal = pMode->HDisplay + 6;
541 pMode->VDisplay = y;
542 pMode->VSyncStart = pMode->VDisplay + 2;
543 pMode->VSyncEnd = pMode->VDisplay + 4;
544 pMode->VTotal = pMode->VDisplay + 6;
545 pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */
546 if (NULL == pszName) {
547 xf86SetModeDefaultName(pMode);
548 } else {
549 pMode->name = xnfstrdup(pszName);
550 }
551 *pModes = xf86ModesAdd(*pModes, pMode);
552 return pMode;
553}
554
555static DisplayModePtr
556vbox_output_get_modes (xf86OutputPtr output)
557{
558 DisplayModePtr pModes = NULL;
559 DisplayModePtr pPreferred = NULL;
560 ScrnInfoPtr pScrn = output->scrn;
561 VBOXPtr pVBox = VBOXGetRec(pScrn);
562
563 TRACE_ENTRY();
564 uint32_t iScreen = (uintptr_t)output->driver_private;
565 pPreferred = vbox_output_add_mode(pVBox, &pModes, NULL,
566 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
567 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
568 TRUE, FALSE);
569 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1600, FALSE, FALSE);
570 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1440, FALSE, FALSE);
571 vbox_output_add_mode(pVBox, &pModes, NULL, 2048, 1536, FALSE, FALSE);
572 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1600, FALSE, FALSE);
573 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1080, FALSE, FALSE);
574 vbox_output_add_mode(pVBox, &pModes, NULL, 1680, 1050, FALSE, FALSE);
575 vbox_output_add_mode(pVBox, &pModes, NULL, 1600, 1200, FALSE, FALSE);
576 vbox_output_add_mode(pVBox, &pModes, NULL, 1400, 1050, FALSE, FALSE);
577 vbox_output_add_mode(pVBox, &pModes, NULL, 1280, 1024, FALSE, FALSE);
578 vbox_output_add_mode(pVBox, &pModes, NULL, 1024, 768, FALSE, FALSE);
579 vbox_output_add_mode(pVBox, &pModes, NULL, 800, 600, FALSE, FALSE);
580 vbox_output_add_mode(pVBox, &pModes, NULL, 640, 480, FALSE, FALSE);
581 VBOXEDIDSet(output, pPreferred);
582 TRACE_EXIT();
583 return pModes;
584}
585
586static const xf86OutputFuncsRec VBOXOutputFuncs = {
587 .create_resources = vbox_output_stub,
588 .dpms = vbox_output_dpms,
589 .save = NULL, /* These two are never called by the server. */
590 .restore = NULL,
591 .mode_valid = vbox_output_mode_valid,
592 .mode_fixup = vbox_output_mode_fixup,
593 .prepare = vbox_output_stub,
594 .commit = vbox_output_stub,
595 .mode_set = vbox_output_mode_set,
596 .detect = vbox_output_detect,
597 .get_modes = vbox_output_get_modes,
598#ifdef RANDR_12_INTERFACE
599 .set_property = NULL,
600#endif
601 .destroy = vbox_output_stub
602};
603#endif /* VBOXVIDEO_13 */
604
605/* Module loader interface */
606static MODULESETUPPROTO(vboxSetup);
607
608static XF86ModuleVersionInfo vboxVersionRec =
609{
610 VBOX_DRIVER_NAME,
611 VBOX_VENDOR,
612 MODINFOSTRING1,
613 MODINFOSTRING2,
614#ifdef XORG_7X
615 XORG_VERSION_CURRENT,
616#else
617 XF86_VERSION_CURRENT,
618#endif
619 1, /* Module major version. Xorg-specific */
620 0, /* Module minor version. Xorg-specific */
621 1, /* Module patchlevel. Xorg-specific */
622 ABI_CLASS_VIDEODRV, /* This is a video driver */
623 ABI_VIDEODRV_VERSION,
624 MOD_CLASS_VIDEODRV,
625 {0, 0, 0, 0}
626};
627
628/*
629 * This data is accessed by the loader. The name must be the module name
630 * followed by "ModuleData".
631 */
632#ifdef XORG_7X
633_X_EXPORT
634#endif
635XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
636
637static pointer
638vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
639{
640 static Bool Initialised = FALSE;
641 RT_NOREF(Options, ErrorMinor);
642
643 if (!Initialised)
644 {
645 Initialised = TRUE;
646#ifdef PCIACCESS
647 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
648#else
649 xf86AddDriver(&VBOXVIDEO, Module, 0);
650#endif
651#ifndef XORG_7X
652 LoaderRefSymLists(fbSymbols,
653 shadowfbSymbols,
654 ramdacSymbols,
655 vgahwSymbols,
656 NULL);
657#endif
658 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
659 (void *)&VBOXVIDEO);
660 return (pointer)TRUE;
661 }
662
663 if (ErrorMajor)
664 *ErrorMajor = LDR_ONCEONLY;
665 return (NULL);
666}
667
668
669static const OptionInfoRec *
670VBOXAvailableOptions(int chipid, int busid)
671{
672 RT_NOREF(chipid, busid);
673 return (VBOXOptions);
674}
675
676static void
677VBOXIdentify(int flags)
678{
679 RT_NOREF(flags);
680 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
681}
682
683#ifndef XF86_SCRN_INTERFACE
684# define SCRNINDEXAPI(pfn) pfn ## Index
685static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
686{
687 RT_NOREF(scrnIndex);
688 return VBOXScreenInit(pScreen, argc, argv);
689}
690
691static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
692{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
693
694static void VBOXLeaveVTIndex(int scrnIndex, int flags)
695{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
696
697static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
698{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
699
700static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
701{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
702
703static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
704{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
705
706static void VBOXFreeScreenIndex(int scrnIndex, int flags)
707{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
708# else
709# define SCRNINDEXAPI(pfn) pfn
710#endif /* XF86_SCRN_INTERFACE */
711
712static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
713{
714 pScrn->driverVersion = VBOX_VERSION;
715 pScrn->driverName = VBOX_DRIVER_NAME;
716 pScrn->name = VBOX_NAME;
717 pScrn->Probe = pfnProbe;
718 pScrn->PreInit = VBOXPreInit;
719 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
720 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
721 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
722 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
723 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
724 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
725}
726
727/*
728 * One of these functions is called once, at the start of the first server
729 * generation to do a minimal probe for supported hardware.
730 */
731
732#ifdef PCIACCESS
733static Bool
734VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
735 intptr_t match_data)
736{
737 ScrnInfoPtr pScrn;
738 int drmFd;
739
740 TRACE_ENTRY();
741
742 drmFd = open("/dev/dri/card0", O_RDWR, 0);
743 if (drmFd >= 0)
744 {
745 xf86Msg(X_INFO, "vboxvideo: kernel driver found, not loading.\n");
746 close(drmFd);
747 return FALSE;
748 }
749 /* It is safe to call this, as the X server enables I/O access before
750 * calling the probe call-backs. */
751 if (!xf86EnableIO())
752 {
753 xf86Msg(X_INFO, "vboxvideo: this driver requires direct hardware access. You may wish to use the kernel driver instead.\n");
754 return FALSE;
755 }
756 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
757 NULL, NULL, NULL, NULL, NULL);
758 if (pScrn != NULL) {
759 VBOXPtr pVBox;
760
761 VBOXSetRec(pScrn);
762 pVBox = VBOXGetRec(pScrn);
763 if (!pVBox)
764 return FALSE;
765 setScreenFunctions(pScrn, NULL);
766 pVBox->pciInfo = dev;
767 }
768
769 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
770 return (pScrn != NULL);
771}
772#endif
773
774#ifndef PCIACCESS
775static Bool
776VBOXProbe(DriverPtr drv, int flags)
777{
778 Bool foundScreen = FALSE;
779 int numDevSections;
780 GDevPtr *devSections;
781
782 /*
783 * Find the config file Device sections that match this
784 * driver, and return if there are none.
785 */
786 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
787 &devSections)) <= 0)
788 return (FALSE);
789
790 /* PCI BUS */
791 if (xf86GetPciVideoInfo())
792 {
793 int numUsed;
794 int *usedChips;
795 int i;
796 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
797 VBOXChipsets, VBOXPCIchipsets,
798 devSections, numDevSections,
799 drv, &usedChips);
800 if (numUsed > 0)
801 {
802 if (flags & PROBE_DETECT)
803 foundScreen = TRUE;
804 else
805 for (i = 0; i < numUsed; i++)
806 {
807 ScrnInfoPtr pScrn = NULL;
808 /* Allocate a ScrnInfoRec */
809 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
810 VBOXPCIchipsets,NULL,
811 NULL,NULL,NULL,NULL)))
812 {
813 setScreenFunctions(pScrn, VBOXProbe);
814 foundScreen = TRUE;
815 }
816 }
817 free(usedChips);
818 }
819 }
820 free(devSections);
821 return (foundScreen);
822}
823#endif
824
825
826/*
827 * QUOTE from the XFree86 DESIGN document:
828 *
829 * The purpose of this function is to find out all the information
830 * required to determine if the configuration is usable, and to initialise
831 * those parts of the ScrnInfoRec that can be set once at the beginning of
832 * the first server generation.
833 *
834 * (...)
835 *
836 * This includes probing for video memory, clocks, ramdac, and all other
837 * HW info that is needed. It includes determining the depth/bpp/visual
838 * and related info. It includes validating and determining the set of
839 * video modes that will be used (and anything that is required to
840 * determine that).
841 *
842 * This information should be determined in the least intrusive way
843 * possible. The state of the HW must remain unchanged by this function.
844 * Although video memory (including MMIO) may be mapped within this
845 * function, it must be unmapped before returning.
846 *
847 * END QUOTE
848 */
849
850static Bool
851VBOXPreInit(ScrnInfoPtr pScrn, int flags)
852{
853 VBOXPtr pVBox;
854 Gamma gzeros = {0.0, 0.0, 0.0};
855 rgb rzeros = {0, 0, 0};
856
857 TRACE_ENTRY();
858 /* Are we really starting the server, or is this just a dummy run? */
859 if (flags & PROBE_DETECT)
860 return (FALSE);
861
862 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "VirtualBox guest additions video driver version " VBOX_VERSION_STRING "r%d\n",
863 VBOX_SVN_REV);
864
865 /* The ramdac module is needed for the hardware cursor. */
866 if (!xf86LoadSubModule(pScrn, "ramdac"))
867 return FALSE;
868
869 /* The framebuffer module. */
870 if (!xf86LoadSubModule(pScrn, "fb"))
871 return (FALSE);
872
873 if (!xf86LoadSubModule(pScrn, "shadowfb"))
874 return FALSE;
875
876 if (!xf86LoadSubModule(pScrn, "vgahw"))
877 return FALSE;
878
879 /* Get our private data from the ScrnInfoRec structure. */
880 VBOXSetRec(pScrn);
881 pVBox = VBOXGetRec(pScrn);
882 if (!pVBox)
883 return FALSE;
884
885 /* Entity information seems to mean bus information. */
886 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
887
888#ifndef PCIACCESS
889 if (pVBox->pEnt->location.type != BUS_PCI)
890 return FALSE;
891
892 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
893 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
894 pVBox->pciInfo->device,
895 pVBox->pciInfo->func);
896#endif
897
898 /* Set up our ScrnInfoRec structure to describe our virtual
899 capabilities to X. */
900
901 pScrn->chipset = "vbox";
902 /** @note needed during colourmap initialisation */
903 pScrn->rgbBits = 8;
904
905 /* Let's create a nice, capable virtual monitor. */
906 pScrn->monitor = pScrn->confScreen->monitor;
907 pScrn->monitor->DDC = NULL;
908 pScrn->monitor->nHsync = 1;
909 pScrn->monitor->hsync[0].lo = 1;
910 pScrn->monitor->hsync[0].hi = 10000;
911 pScrn->monitor->nVrefresh = 1;
912 pScrn->monitor->vrefresh[0].lo = 1;
913 pScrn->monitor->vrefresh[0].hi = 100;
914
915 pScrn->progClock = TRUE;
916
917 /* Using the PCI information caused problems with non-powers-of-two
918 sized video RAM configurations */
919 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
920 pScrn->videoRam = pVBox->cbFBMax / 1024;
921
922 /* Check if the chip restricts horizontal resolution or not. */
923 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
924
925 /* Set up clock information that will support all modes we need. */
926 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
927 pScrn->clockRanges->minClock = 1000;
928 pScrn->clockRanges->maxClock = 1000000000;
929 pScrn->clockRanges->clockIndex = -1;
930 pScrn->clockRanges->ClockMulFactor = 1;
931 pScrn->clockRanges->ClockDivFactor = 1;
932
933 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
934 return FALSE;
935 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
936 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
937 {
938 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
939 "The VBox additions only support 16 and 32bpp graphics modes\n");
940 return FALSE;
941 }
942 xf86PrintDepthBpp(pScrn);
943 vboxAddModes(pScrn);
944
945#ifdef VBOXVIDEO_13
946 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
947 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
948#else
949 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
950 * already know what we like and what we don't. */
951
952 pScrn->currentMode = pScrn->modes;
953
954 /* Set the right virtual resolution. */
955 pScrn->virtualX = pScrn->bitsPerPixel == 16 ? (pScrn->currentMode->HDisplay + 1) & ~1 : pScrn->currentMode->HDisplay;
956 pScrn->virtualY = pScrn->currentMode->VDisplay;
957
958#endif /* !VBOXVIDEO_13 */
959
960 pScrn->displayWidth = pScrn->virtualX;
961
962 xf86PrintModes(pScrn);
963
964 /* VGA hardware initialisation */
965 if (!vgaHWGetHWRec(pScrn))
966 return FALSE;
967 /* Must be called before any VGA registers are saved or restored */
968 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
969 vgaHWGetIOBase(VGAHWPTR(pScrn));
970
971 /* Colour weight - we always call this, since we are always in
972 truecolour. */
973 if (!xf86SetWeight(pScrn, rzeros, rzeros))
974 return (FALSE);
975
976 /* visual init */
977 if (!xf86SetDefaultVisual(pScrn, -1))
978 return (FALSE);
979
980 xf86SetGamma(pScrn, gzeros);
981
982 /* Set the DPI. Perhaps we should read this from the host? */
983 xf86SetDpi(pScrn, 96, 96);
984
985 if (pScrn->memPhysBase == 0) {
986#ifdef PCIACCESS
987 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
988#else
989 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
990#endif
991 pScrn->fbOffset = 0;
992 }
993
994 TRACE_EXIT();
995 return (TRUE);
996}
997
998/**
999 * Dummy function for setting the colour palette, which we actually never
1000 * touch. However, the server still requires us to provide this.
1001 */
1002static void
1003vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
1004 LOCO *colors, VisualPtr pVisual)
1005{
1006 (void)pScrn; (void) numColors; (void) indices; (void) colors;
1007 (void)pVisual;
1008}
1009
1010/** Set the graphics and guest cursor support capabilities to the host if
1011 * the user-space helper is running. */
1012static void updateGraphicsCapability(ScrnInfoPtr pScrn, Bool hasVT)
1013{
1014 VBOXPtr pVBox = VBOXGetRec(pScrn);
1015
1016 if (!pVBox->fHaveHGSMIModeHints)
1017 return;
1018 VBoxHGSMISendCapsInfo(&pVBox->guestCtx, hasVT
1019 ? VBVACAPS_VIDEO_MODE_HINTS | VBVACAPS_DISABLE_CURSOR_INTEGRATION
1020 : VBVACAPS_DISABLE_CURSOR_INTEGRATION);
1021}
1022
1023#ifndef VBOXVIDEO_13
1024
1025#define PREFERRED_MODE_ATOM_NAME "VBOXVIDEO_PREFERRED_MODE"
1026
1027static void setSizesRandR11(ScrnInfoPtr pScrn)
1028{
1029 VBOXPtr pVBox = VBOXGetRec(pScrn);
1030 DisplayModePtr pNewMode;
1031 int32_t propertyValue;
1032
1033 pNewMode = pScrn->modes != pScrn->currentMode ? pScrn->modes : pScrn->modes->next;
1034 pNewMode->HDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1035 pNewMode->VDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1036 propertyValue = (pNewMode->HDisplay << 16) + pNewMode->VDisplay;
1037 ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(PREFERRED_MODE_ATOM_NAME,
1038 sizeof(PREFERRED_MODE_ATOM_NAME) - 1, TRUE), XA_INTEGER, 32,
1039 PropModeReplace, 1, &propertyValue, TRUE);
1040}
1041
1042#endif
1043
1044static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, bool fScreenInitTime)
1045{
1046 RT_NOREF(fScreenInitTime);
1047 TRACE_LOG("fScreenInitTime=%d\n", (int)fScreenInitTime);
1048#ifdef VBOXVIDEO_13
1049# if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1050 RRGetInfo(xf86ScrnToScreen(pScrn), TRUE);
1051# else
1052 RRGetInfo(xf86ScrnToScreen(pScrn));
1053# endif
1054#else
1055 setSizesRandR11(pScrn);
1056#endif
1057 /* This calls EnableDisableFBAccess(), so only use when switched in. */
1058 if (pScrn->vtSema)
1059 vbvxReprobeCursor(pScrn);
1060}
1061
1062/* We update the size hints from the X11 property set by VBoxClient every time
1063 * that the X server goes to sleep (to catch the property change request).
1064 * Although this is far more often than necessary it should not have real-life
1065 * performance consequences and allows us to simplify the code quite a bit. */
1066static void vboxBlockHandler(pointer pData, OSTimePtr pTimeout, pointer pReadmask)
1067{
1068 ScrnInfoPtr pScrn = (ScrnInfoPtr)pData;
1069 bool fNeedUpdate = false;
1070
1071 (void)pTimeout;
1072 (void)pReadmask;
1073 if (pScrn->vtSema)
1074 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, &fNeedUpdate);
1075 if (fNeedUpdate)
1076 setSizesAndCursorIntegration(pScrn, false);
1077}
1078
1079/*
1080 * QUOTE from the XFree86 DESIGN document:
1081 *
1082 * This is called at the start of each server generation.
1083 *
1084 * (...)
1085 *
1086 * Decide which operations need to be placed under resource access
1087 * control. (...) Map any video memory or other memory regions. (...)
1088 * Save the video card state. (...) Initialise the initial video
1089 * mode.
1090 *
1091 * End QUOTE.
1092 */
1093static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1094{
1095 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1096 VBOXPtr pVBox = VBOXGetRec(pScrn);
1097 VisualPtr visual;
1098 RT_NOREF(argc, argv);
1099
1100 TRACE_ENTRY();
1101
1102 /* Initialise our guest library if possible: ignore failure. */
1103 VbglR3Init();
1104 if (!VBOXMapVidMem(pScrn))
1105 return (FALSE);
1106
1107 /* save current video state */
1108 VBOXSaveMode(pScrn);
1109
1110 /* mi layer - reset the visual list (?)*/
1111 miClearVisualTypes();
1112 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1113 pScrn->rgbBits, TrueColor))
1114 return (FALSE);
1115 if (!miSetPixmapDepths())
1116 return (FALSE);
1117
1118 if (!fbScreenInit(pScreen, pVBox->base,
1119 pScrn->virtualX, pScrn->virtualY,
1120 pScrn->xDpi, pScrn->yDpi,
1121 pScrn->displayWidth, pScrn->bitsPerPixel))
1122 return (FALSE);
1123
1124 /* Fixup RGB ordering */
1125 /** @note the X server uses this even in true colour. */
1126 visual = pScreen->visuals + pScreen->numVisuals;
1127 while (--visual >= pScreen->visuals) {
1128 if ((visual->class | DynamicClass) == DirectColor) {
1129 visual->offsetRed = pScrn->offset.red;
1130 visual->offsetGreen = pScrn->offset.green;
1131 visual->offsetBlue = pScrn->offset.blue;
1132 visual->redMask = pScrn->mask.red;
1133 visual->greenMask = pScrn->mask.green;
1134 visual->blueMask = pScrn->mask.blue;
1135 }
1136 }
1137
1138 /* must be after RGB ordering fixed */
1139 fbPictureInit(pScreen, 0, 0);
1140
1141 xf86SetBlackWhitePixels(pScreen);
1142 pScrn->vtSema = TRUE;
1143
1144#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1145 vbvxSetUpLinuxACPI(pScreen);
1146#endif
1147
1148 if (!VBoxHGSMIIsSupported())
1149 {
1150 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Graphics device too old to support.\n");
1151 return FALSE;
1152 }
1153 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1154 pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx);
1155 pVBox->pScreens = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->pScreens));
1156 pVBox->paVBVAModeHints = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->paVBVAModeHints));
1157 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n", pVBox->cScreens);
1158 vboxEnableVbva(pScrn);
1159 /* Set up the dirty rectangle handler. It will be added into a function
1160 * chain and gets removed when the screen is cleaned up. */
1161 if (ShadowFBInit2(pScreen, NULL, vbvxHandleDirtyRect) != TRUE)
1162 return FALSE;
1163 VBoxInitialiseSizeHints(pScrn);
1164
1165#ifdef VBOXVIDEO_13
1166 /* Initialise CRTC and output configuration for use with randr1.2. */
1167 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1168
1169 {
1170 uint32_t i;
1171
1172 for (i = 0; i < pVBox->cScreens; ++i)
1173 {
1174 char szOutput[256];
1175
1176 /* Setup our virtual CRTCs. */
1177 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1178 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1179
1180 /* Set up our virtual outputs. */
1181 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1182 pVBox->pScreens[i].paOutputs
1183 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1184
1185 /* We are not interested in the monitor section in the
1186 * configuration file. */
1187 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1188 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1189 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1190 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1191 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1192 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1193 (void *)pVBox->pScreens[i].paOutputs);
1194 }
1195 }
1196
1197 /* Set a sane minimum and maximum mode size to match what the hardware
1198 * supports. */
1199 xf86CrtcSetSizeRange(pScrn, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL, VBOX_VIDEO_MAX_VIRTUAL);
1200
1201 /* Now create our initial CRTC/output configuration. */
1202 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1203 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1204 return (FALSE);
1205 }
1206
1207 /* Work around a bug in the original X server modesetting code, which took
1208 * the first valid values set to these two as maxima over the server
1209 * lifetime. This bug was introduced on Feb 15 2007 and was fixed in commit
1210 * fa877d7f three months later, so it was present in X.Org Server 1.3. */
1211 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
1212 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
1213
1214 /* Initialise randr 1.2 mode-setting functions. */
1215 if (!xf86CrtcScreenInit(pScreen)) {
1216 return FALSE;
1217 }
1218
1219 /* set first video mode */
1220 if (!xf86SetDesiredModes(pScrn)) {
1221 return FALSE;
1222 }
1223#else /* !VBOXVIDEO_13 */
1224 /* set first video mode */
1225 setModeRandR11(pScrn, pScrn->currentMode, true, false, 0, 0);
1226#endif /* !VBOXVIDEO_13 */
1227
1228 /* Say that we support graphics. */
1229 updateGraphicsCapability(pScrn, TRUE);
1230
1231 /* Register block and wake-up handlers for getting new screen size hints. */
1232 RegisterBlockAndWakeupHandlers(vboxBlockHandler, (WakeupHandlerProcPtr)NoopDDA, (pointer)pScrn);
1233
1234 /* software cursor */
1235 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1236
1237 /* colourmap code */
1238 if (!miCreateDefColormap(pScreen))
1239 return (FALSE);
1240
1241 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1242 return (FALSE);
1243
1244 pVBox->CloseScreen = pScreen->CloseScreen;
1245 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1246#ifdef VBOXVIDEO_13
1247 pScreen->SaveScreen = xf86SaveScreen;
1248#else
1249 pScreen->SaveScreen = VBOXSaveScreen;
1250#endif
1251
1252#ifdef VBOXVIDEO_13
1253 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1254#else
1255 /* We probably do want to support power management - even if we just use
1256 a dummy function. */
1257 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1258#endif
1259
1260 /* Report any unused options (only for the first generation) */
1261 if (serverGeneration == 1)
1262 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1263
1264 if (vbvxCursorInit(pScreen) != TRUE)
1265 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1266 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1267
1268 return (TRUE);
1269}
1270
1271#define NO_VT_ATOM_NAME "VBOXVIDEO_NO_VT"
1272
1273static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1274{
1275 VBOXPtr pVBox = VBOXGetRec(pScrn);
1276#ifndef VBOXVIDEO_13
1277 /* If we got a mode request while we were switched out, temporarily override
1278 * the physical mode set to the device while keeping things consistent from
1279 * the server's point of view. */
1280 int cXOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1281 int cYOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1282#endif
1283
1284 TRACE_ENTRY();
1285 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1286 vboxEnableVbva(pScrn);
1287 /* Re-set video mode */
1288#ifdef VBOXVIDEO_13
1289 if (!xf86SetDesiredModes(pScrn)) {
1290 return FALSE;
1291 }
1292#else
1293 setModeRandR11(pScrn, pScrn->currentMode, false, true, cXOverRide, cYOverRide);
1294 DeleteProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, TRUE));
1295#endif
1296 updateGraphicsCapability(pScrn, TRUE);
1297 return TRUE;
1298}
1299
1300static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1301{
1302#ifdef VBOXVIDEO_13
1303 VBOXPtr pVBox = VBOXGetRec(pScrn);
1304 unsigned i;
1305#else
1306 int32_t propertyValue = 0;
1307#endif
1308
1309 TRACE_ENTRY();
1310#ifdef VBOXVIDEO_13
1311 for (i = 0; i < pVBox->cScreens; ++i)
1312 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1313#else
1314 ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, FALSE), XA_INTEGER, 32,
1315 PropModeReplace, 1, &propertyValue, TRUE);
1316#endif
1317 updateGraphicsCapability(pScrn, FALSE);
1318 vboxDisableVbva(pScrn);
1319 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1320 VBOXRestoreMode(pScrn);
1321 TRACE_EXIT();
1322}
1323
1324static Bool VBOXCloseScreen(ScreenPtr pScreen)
1325{
1326 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1327 VBOXPtr pVBox = VBOXGetRec(pScrn);
1328 BOOL ret;
1329
1330 if (pScrn->vtSema)
1331 {
1332#ifdef VBOXVIDEO_13
1333 unsigned i;
1334
1335 for (i = 0; i < pVBox->cScreens; ++i)
1336 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1337#endif
1338 vboxDisableVbva(pScrn);
1339 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1340 }
1341 if (pScrn->vtSema)
1342 VBOXRestoreMode(pScrn);
1343 if (pScrn->vtSema)
1344 VBOXUnmapVidMem(pScrn);
1345 pScrn->vtSema = FALSE;
1346
1347 vbvxCursorTerm(pVBox);
1348
1349 pScreen->CloseScreen = pVBox->CloseScreen;
1350#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1351 vbvxCleanUpLinuxACPI(pScreen);
1352#endif
1353#ifndef XF86_SCRN_INTERFACE
1354 ret = pScreen->CloseScreen(pScreen->myNum, pScreen);
1355#else
1356 ret = pScreen->CloseScreen(pScreen);
1357#endif
1358 VbglR3Term();
1359 return ret;
1360}
1361
1362static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1363{
1364 Bool rc = TRUE;
1365
1366 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1367#ifdef VBOXVIDEO_13
1368 rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
1369#else
1370 setModeRandR11(pScrn, pMode, false, false, 0, 0);
1371#endif
1372 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1373 return rc;
1374}
1375
1376static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1377{ (void)pScrn; (void)x; (void)y; }
1378
1379static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1380{
1381 /* Destroy the VGA hardware record */
1382 vgaHWFreeHWRec(pScrn);
1383 /* And our private record */
1384 free(pScrn->driverPrivate);
1385 pScrn->driverPrivate = NULL;
1386}
1387
1388static Bool
1389VBOXMapVidMem(ScrnInfoPtr pScrn)
1390{
1391 VBOXPtr pVBox = VBOXGetRec(pScrn);
1392 Bool rc = TRUE;
1393
1394 TRACE_ENTRY();
1395 if (!pVBox->base)
1396 {
1397#ifdef PCIACCESS
1398 (void) pci_device_map_range(pVBox->pciInfo,
1399 pScrn->memPhysBase,
1400 pScrn->videoRam * 1024,
1401 PCI_DEV_MAP_FLAG_WRITABLE,
1402 & pVBox->base);
1403#else
1404 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1405 VIDMEM_FRAMEBUFFER,
1406 pVBox->pciTag, pScrn->memPhysBase,
1407 (unsigned) pScrn->videoRam * 1024);
1408#endif
1409 if (!pVBox->base)
1410 rc = FALSE;
1411 }
1412 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1413 return rc;
1414}
1415
1416static void
1417VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1418{
1419 VBOXPtr pVBox = VBOXGetRec(pScrn);
1420
1421 TRACE_ENTRY();
1422 if (pVBox->base == NULL)
1423 return;
1424
1425#ifdef PCIACCESS
1426 (void) pci_device_unmap_range(pVBox->pciInfo,
1427 pVBox->base,
1428 pScrn->videoRam * 1024);
1429#else
1430 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1431 (unsigned) pScrn->videoRam * 1024);
1432#endif
1433 pVBox->base = NULL;
1434 TRACE_EXIT();
1435}
1436
1437#ifndef VBOXVIDEO_13
1438static Bool
1439VBOXSaveScreen(ScreenPtr pScreen, int mode)
1440{
1441 (void)pScreen; (void)mode;
1442 return TRUE;
1443}
1444#endif
1445
1446void
1447VBOXSaveMode(ScrnInfoPtr pScrn)
1448{
1449 VBOXPtr pVBox = VBOXGetRec(pScrn);
1450 vgaRegPtr vgaReg;
1451
1452 TRACE_ENTRY();
1453 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1454 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1455 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1456 &pVBox->cSavedHeight,
1457 &pVBox->cSavedPitch,
1458 &pVBox->cSavedBPP,
1459 &pVBox->fSavedFlags);
1460}
1461
1462void
1463VBOXRestoreMode(ScrnInfoPtr pScrn)
1464{
1465 VBOXPtr pVBox = VBOXGetRec(pScrn);
1466 vgaRegPtr vgaReg;
1467
1468 TRACE_ENTRY();
1469 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1470 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1471 if (pVBox->fSavedVBEMode)
1472 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1473 pVBox->cSavedPitch, pVBox->cSavedBPP,
1474 pVBox->fSavedFlags, 0, 0);
1475 else
1476 VBoxVideoDisableVBE();
1477}
1478
1479#ifndef VBOXVIDEO_13
1480static void
1481VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags)
1482{
1483 (void)pScrn; (void)mode; (void) flags;
1484}
1485#endif
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