VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 69064

Last change on this file since 69064 was 69064, checked in by vboxsync, 7 years ago

Additions/x11/vboxvideo: use X.Org Bool rather than C++ bool.
bugref:9017: Additions/x11: put vboxvideo into upstream X.Org
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 48.5 KB
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1/* $Id: vboxvideo.c 69064 2017-10-12 18:18:01Z vboxsync $ */
2/** @file
3 * Linux Additions X11 graphics driver
4 */
5
6/*
7 * Copyright (C) 2006-2017 Oracle Corporation
8 *
9 * This code is based on the X.Org VESA driver with the following copyrights:
10 *
11 * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
12 * Copyright 2008 Red Hat, Inc.
13 * Copyright 2012 Red Hat, Inc.
14 *
15 * Permission is hereby granted, free of charge, to any person obtaining a
16 * copy of this software and associated documentation files (the "Software"),
17 * to deal in the Software without restriction, including without limitation
18 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
19 * and/or sell copies of the Software, and to permit persons to whom the
20 * Software is furnished to do so, subject to the following conditions:
21 *
22 * The above copyright notice and this permission notice shall be included in
23 * all copies or substantial portions of the Software.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
26 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
27 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
28 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
29 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
30 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
31 * USE OR OTHER DEALINGS IN THE SOFTWARE.
32 *
33 * Except as contained in this notice, the name of Conectiva Linux shall
34 * not be used in advertising or otherwise to promote the sale, use or other
35 * dealings in this Software without prior written authorization from
36 * Conectiva Linux.
37 *
38 * Authors: Paulo César Pereira de Andrade <[email protected]>
39 * David Dawes <[email protected]>
40 * Adam Jackson <[email protected]>
41 * Dave Airlie <[email protected]>
42 * Michael Thayer <[email protected]>
43 */
44
45#include "vboxvideo.h"
46#include <VBox/param.h> /* for VBOX_DEVICEID and VBOX_VENDORID */
47#include <VBox/VBoxGuestLib.h>
48#include <VBoxVideoVBE.h>
49#include "version-generated.h"
50#include "product-generated.h"
51#include "revision-generated.h"
52
53/* Basic definitions and functions needed by all drivers. */
54#include "xf86.h"
55/* For video memory mapping. */
56#include "xf86_OSproc.h"
57#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
58/* PCI resources. */
59# include "xf86Resources.h"
60#endif
61/* Generic server linear frame-buffer APIs. */
62#include "fb.h"
63/* Colormap and visual handling. */
64#include "micmap.h"
65#include "xf86cmap.h"
66/* ShadowFB support */
67#include "shadowfb.h"
68/* VGA hardware functions for setting and restoring text mode */
69#include "vgaHW.h"
70#ifdef VBOXVIDEO_13
71/* X.org 1.3+ mode setting */
72# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
73# include "xf86Crtc.h"
74# include "xf86Modes.h"
75/* For xf86RandR12GetOriginalVirtualSize(). */
76# include "xf86RandR12.h"
77#endif
78/* For setting the root window property. */
79#include "property.h"
80#include "X11/Xatom.h"
81
82#ifdef XORG_7X
83# include <stdlib.h>
84# include <string.h>
85# include <fcntl.h>
86# include <unistd.h>
87#endif
88
89/* Mandatory functions */
90
91static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
92static void VBOXIdentify(int flags);
93#ifndef PCIACCESS
94static Bool VBOXProbe(DriverPtr drv, int flags);
95#else
96static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
97 struct pci_device *dev, intptr_t match_data);
98#endif
99static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
100static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
101static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
102static void VBOXLeaveVT(ScrnInfoPtr pScrn);
103static Bool VBOXCloseScreen(ScreenPtr pScreen);
104#ifndef VBOXVIDEO_13
105static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
106#endif
107static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
108static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
109static void VBOXFreeScreen(ScrnInfoPtr pScrn);
110#ifndef VBOXVIDEO_13
111static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags);
112#endif
113
114/* locally used functions */
115static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
116static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
117static void VBOXSaveMode(ScrnInfoPtr pScrn);
118static void VBOXRestoreMode(ScrnInfoPtr pScrn);
119static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, Bool fScreenInitTime);
120
121#ifndef XF86_SCRN_INTERFACE
122# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
123# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
124#endif
125
126static inline void VBOXSetRec(ScrnInfoPtr pScrn)
127{
128 if (!pScrn->driverPrivate)
129 {
130 VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1);
131 pScrn->driverPrivate = pVBox;
132#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
133 pVBox->fdACPIDevices = -1;
134#endif
135 }
136}
137
138enum GenericTypes
139{
140 CHIP_VBOX_GENERIC
141};
142
143#ifdef PCIACCESS
144static const struct pci_id_match vbox_device_match[] = {
145 {
146 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
147 0, 0, 0
148 },
149
150 { 0, 0, 0 },
151};
152#endif
153
154/* Supported chipsets */
155static SymTabRec VBOXChipsets[] =
156{
157 {VBOX_DEVICEID, "vbox"},
158 {-1, NULL}
159};
160
161static PciChipsets VBOXPCIchipsets[] = {
162 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
163 { -1, -1, RES_UNDEFINED },
164};
165
166/*
167 * This contains the functions needed by the server after loading the
168 * driver module. It must be supplied, and gets added the driver list by
169 * the Module Setup function in the dynamic case. In the static case a
170 * reference to this is compiled in, and this requires that the name of
171 * this DriverRec be an upper-case version of the driver name.
172 */
173
174#ifdef XORG_7X
175_X_EXPORT
176#endif
177DriverRec VBOXVIDEO = {
178 VBOX_VERSION,
179 VBOX_DRIVER_NAME,
180 VBOXIdentify,
181#ifdef PCIACCESS
182 NULL,
183#else
184 VBOXProbe,
185#endif
186 VBOXAvailableOptions,
187 NULL,
188 0,
189#ifdef XORG_7X
190 NULL,
191#endif
192#ifdef PCIACCESS
193 vbox_device_match,
194 VBOXPciProbe
195#endif
196};
197
198/* No options for now */
199static const OptionInfoRec VBOXOptions[] = {
200 { -1, NULL, OPTV_NONE, {0}, FALSE }
201};
202
203#ifndef XORG_7X
204/*
205 * List of symbols from other modules that this module references. This
206 * list is used to tell the loader that it is OK for symbols here to be
207 * unresolved providing that it hasn't been told that they haven't been
208 * told that they are essential via a call to xf86LoaderReqSymbols() or
209 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
210 * unresolved symbols that are not required.
211 */
212static const char *fbSymbols[] = {
213 "fbPictureInit",
214 "fbScreenInit",
215 NULL
216};
217
218static const char *shadowfbSymbols[] = {
219 "ShadowFBInit2",
220 NULL
221};
222
223static const char *ramdacSymbols[] = {
224 "xf86DestroyCursorInfoRec",
225 "xf86InitCursor",
226 "xf86CreateCursorInfoRec",
227 NULL
228};
229
230static const char *vgahwSymbols[] = {
231 "vgaHWFreeHWRec",
232 "vgaHWGetHWRec",
233 "vgaHWGetIOBase",
234 "vgaHWGetIndex",
235 "vgaHWRestore",
236 "vgaHWSave",
237 "vgaHWSetStdFuncs",
238 NULL
239};
240#endif /* !XORG_7X */
241
242/** Resize the virtual framebuffer. */
243static Bool adjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height)
244{
245 ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
246 VBOXPtr pVBox = VBOXGetRec(pScrn);
247 int adjustedWidth = pScrn->bitsPerPixel == 16 ? (width + 1) & ~1 : width;
248 int cbLine = adjustedWidth * pScrn->bitsPerPixel / 8;
249 PixmapPtr pPixmap;
250
251 TRACE_LOG("width=%d, height=%d\n", width, height);
252 VBVXASSERT(width >= 0 && height >= 0, ("Invalid negative width (%d) or height (%d)\n", width, height));
253 if (pScreen == NULL) /* Not yet initialised. */
254 return TRUE;
255 pPixmap = pScreen->GetScreenPixmap(pScreen);
256 VBVXASSERT(pPixmap != NULL, ("Failed to get the screen pixmap.\n"));
257 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",
258 pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base, pPixmap->drawable.width,
259 pPixmap->drawable.height);
260 if ( adjustedWidth != pPixmap->drawable.width
261 || height != pPixmap->drawable.height)
262 {
263 if ( adjustedWidth > VBOX_VIDEO_MAX_VIRTUAL || height > VBOX_VIDEO_MAX_VIRTUAL
264 || (unsigned)cbLine * (unsigned)height >= pVBox->cbFBMax)
265 {
266 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
267 "Virtual framebuffer %dx%d too large. For information, video memory: %u Kb.\n",
268 adjustedWidth, height, (unsigned) pVBox->cbFBMax / 1024);
269 return FALSE;
270 }
271 if (pScrn->vtSema)
272 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8),
273 ((size_t)adjustedWidth) * height * (pScrn->bitsPerPixel / 8));
274 pScreen->ModifyPixmapHeader(pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base);
275 }
276 pScrn->displayWidth = pScrn->virtualX = adjustedWidth;
277 pScrn->virtualY = height;
278 return TRUE;
279}
280
281#ifndef VBOXVIDEO_13
282/** Set a video mode to the hardware, RandR 1.1 version.
283 *
284 * Since we no longer do virtual frame buffers, adjust the screen pixmap
285 * dimensions to match. The "override" parameters are for when we received a
286 * mode hint while switched to a virtual terminal. In this case VBoxClient will
287 * have told us about the mode, but not yet been able to do a mode switch using
288 * RandR. We solve this by setting the requested mode to the host but keeping
289 * the virtual frame-
290 * buffer matching what the X server expects. */
291static void setModeRandR11(ScrnInfoPtr pScrn, DisplayModePtr pMode, Bool fScreenInitTime, Bool fEnterVTTime,
292 int cXOverRide, int cYOverRide)
293{
294 VBOXPtr pVBox = VBOXGetRec(pScrn);
295 struct vbvxFrameBuffer frameBuffer = { 0, 0, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel};
296 int cXPhysical = cXOverRide > 0 ? min(cXOverRide, pMode->HDisplay) : pMode->HDisplay;
297 int cYPhysical = cYOverRide > 0 ? min(cYOverRide, pMode->VDisplay) : pMode->VDisplay;
298
299 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
300 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
301 if (fScreenInitTime)
302 {
303 /* The screen structure is not fully set up yet, so do not touch it. */
304 pScrn->displayWidth = pScrn->virtualX = pMode->HDisplay;
305 pScrn->virtualY = pMode->VDisplay;
306 }
307 else
308 {
309 xf86ScrnToScreen(pScrn)->width = pMode->HDisplay;
310 xf86ScrnToScreen(pScrn)->height = pMode->VDisplay;
311 /* This prevents a crash in CentOS 3. I was unable to debug it to
312 * satisfaction, partly due to the lack of symbols. My guess is that
313 * pScrn->ModifyPixmapHeader() expects certain things to be set up when
314 * it sees pScrn->vtSema set to true which are not quite done at this
315 * point of the VT switch. */
316 if (fEnterVTTime)
317 pScrn->vtSema = FALSE;
318 adjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
319 if (fEnterVTTime)
320 pScrn->vtSema = TRUE;
321 }
322 if (pMode->HDisplay != 0 && pMode->VDisplay != 0 && pScrn->vtSema)
323 vbvxSetMode(pScrn, 0, cXPhysical, cYPhysical, 0, 0, true, true, &frameBuffer);
324 pScrn->currentMode = pMode;
325}
326#endif
327
328#ifdef VBOXVIDEO_13
329/* X.org 1.3+ mode-setting support ******************************************/
330
331/** Set a video mode to the hardware, RandR 1.2 version. If this is the first
332 * screen, re-set the current mode for all others (the offset for the first
333 * screen is always treated as zero by the hardware, so all other screens need
334 * to be changed to compensate for any changes!). The mode to set is taken
335 * from the X.Org Crtc structure. */
336static void setModeRandR12(ScrnInfoPtr pScrn, unsigned cScreen)
337{
338 VBOXPtr pVBox = VBOXGetRec(pScrn);
339 unsigned i;
340 struct vbvxFrameBuffer frameBuffer = { pVBox->pScreens[0].paCrtcs->x, pVBox->pScreens[0].paCrtcs->y, pScrn->virtualX,
341 pScrn->virtualY, pScrn->bitsPerPixel };
342 unsigned cFirst = cScreen;
343 unsigned cLast = cScreen != 0 ? cScreen + 1 : pVBox->cScreens;
344 int originalX, originalY;
345
346 /* Check that this code cannot trigger the resizing bug in X.Org Server 1.3.
347 * See the work-around in ScreenInit. */
348 xf86RandR12GetOriginalVirtualSize(pScrn, &originalX, &originalY);
349 VBVXASSERT(originalX == VBOX_VIDEO_MAX_VIRTUAL && originalY == VBOX_VIDEO_MAX_VIRTUAL, ("OriginalSize=%dx%d",
350 originalX, originalY));
351 for (i = cFirst; i < cLast; ++i)
352 if (pVBox->pScreens[i].paCrtcs->mode.HDisplay != 0 && pVBox->pScreens[i].paCrtcs->mode.VDisplay != 0 && pScrn->vtSema)
353 vbvxSetMode(pScrn, i, pVBox->pScreens[i].paCrtcs->mode.HDisplay, pVBox->pScreens[i].paCrtcs->mode.VDisplay,
354 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, pVBox->pScreens[i].fPowerOn,
355 pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected, &frameBuffer);
356}
357
358/** Wrapper around setModeRandR12() to avoid exposing non-obvious semantics.
359 */
360static void setAllModesRandR12(ScrnInfoPtr pScrn)
361{
362 setModeRandR12(pScrn, 0);
363}
364
365/* For descriptions of these functions and structures, see
366 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
367 X.Org source tree. */
368
369static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
370{
371 VBOXPtr pVBox = VBOXGetRec(pScrn);
372 Bool rc;
373 unsigned i;
374
375 TRACE_LOG("width=%d, height=%d\n", cw, ch);
376 rc = adjustScreenPixmap(pScrn, cw, ch);
377 /* Power-on all screens (the server expects this) and set the new pitch to them. */
378 for (i = 0; i < pVBox->cScreens; ++i)
379 pVBox->pScreens[i].fPowerOn = true;
380 setAllModesRandR12(pScrn);
381 vbvxSetSolarisMouseRange(cw, ch);
382 return rc;
383}
384
385static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
386 vbox_config_resize
387};
388
389static void
390vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
391{
392 ScrnInfoPtr pScrn = crtc->scrn;
393 VBOXPtr pVBox = VBOXGetRec(pScrn);
394 unsigned cDisplay = (uintptr_t)crtc->driver_private;
395
396 TRACE_LOG("mode=%d\n", mode);
397 pVBox->pScreens[cDisplay].fPowerOn = (mode != DPMSModeOff);
398 setModeRandR12(pScrn, cDisplay);
399}
400
401static Bool
402vbox_crtc_lock (xf86CrtcPtr crtc)
403{ (void) crtc; return FALSE; }
404
405
406/* We use this function to check whether the X server owns the active virtual
407 * terminal before attempting a mode switch, since the RandR extension isn't
408 * very dilligent here, which can mean crashes if we are unlucky. This is
409 * not the way it the function is intended - it is meant for reporting modes
410 * which the hardware can't handle. I hope that this won't confuse any clients
411 * connecting to us. */
412static Bool
413vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
414 DisplayModePtr adjusted_mode)
415{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
416
417static void
418vbox_crtc_stub (xf86CrtcPtr crtc)
419{ (void) crtc; }
420
421static void
422vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
423 DisplayModePtr adjusted_mode, int x, int y)
424{
425 (void) mode;
426 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
427 unsigned cDisplay = (uintptr_t)crtc->driver_private;
428
429 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
430 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
431 pVBox->pScreens[cDisplay].fPowerOn = true;
432 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
433 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
434 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
435 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
436 setModeRandR12(crtc->scrn, cDisplay);
437}
438
439static void
440vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
441 CARD16 *green, CARD16 *blue, int size)
442{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
443
444static void *
445vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
446{ (void) crtc; (void) width; (void) height; return NULL; }
447
448static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
449 .dpms = vbox_crtc_dpms,
450 .save = NULL, /* These two are never called by the server. */
451 .restore = NULL,
452 .lock = vbox_crtc_lock,
453 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
454 .mode_fixup = vbox_crtc_mode_fixup,
455 .prepare = vbox_crtc_stub,
456 .mode_set = vbox_crtc_mode_set,
457 .commit = vbox_crtc_stub,
458 .gamma_set = vbox_crtc_gamma_set,
459 .shadow_allocate = vbox_crtc_shadow_allocate,
460 .shadow_create = NULL, /* These two should not be invoked if allocate
461 returns NULL. */
462 .shadow_destroy = NULL,
463 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
464 .set_cursor_position = NULL,
465 .show_cursor = NULL,
466 .hide_cursor = NULL,
467 .load_cursor_argb = NULL,
468 .destroy = vbox_crtc_stub
469};
470
471static void
472vbox_output_stub (xf86OutputPtr output)
473{ (void) output; }
474
475static void
476vbox_output_dpms (xf86OutputPtr output, int mode)
477{
478 (void)output; (void)mode;
479}
480
481static int
482vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
483{
484 return MODE_OK;
485}
486
487static Bool
488vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
489 DisplayModePtr adjusted_mode)
490{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
491
492static void
493vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
494 DisplayModePtr adjusted_mode)
495{ (void) output; (void) mode; (void) adjusted_mode; }
496
497/* A virtual monitor is always connected. */
498static xf86OutputStatus
499vbox_output_detect (xf86OutputPtr output)
500{
501 ScrnInfoPtr pScrn = output->scrn;
502 VBOXPtr pVBox = VBOXGetRec(pScrn);
503 uint32_t iScreen = (uintptr_t)output->driver_private;
504 return pVBox->pScreens[iScreen].afConnected
505 ? XF86OutputStatusConnected : XF86OutputStatusDisconnected;
506}
507
508static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y,
509 Bool isPreferred, Bool isUserDef)
510{
511 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
512 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
513 int cRefresh = 60;
514
515 pMode->status = MODE_OK;
516 /* We don't ask the host whether it likes user defined modes,
517 * as we assume that the user really wanted that mode. */
518 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
519 if (isPreferred)
520 pMode->type |= M_T_PREFERRED;
521 /* Older versions of VBox only support screen widths which are a multiple
522 * of 8 */
523 if (pVBox->fAnyX)
524 pMode->HDisplay = x;
525 else
526 pMode->HDisplay = x & ~7;
527 pMode->HSyncStart = pMode->HDisplay + 2;
528 pMode->HSyncEnd = pMode->HDisplay + 4;
529 pMode->HTotal = pMode->HDisplay + 6;
530 pMode->VDisplay = y;
531 pMode->VSyncStart = pMode->VDisplay + 2;
532 pMode->VSyncEnd = pMode->VDisplay + 4;
533 pMode->VTotal = pMode->VDisplay + 6;
534 pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */
535 if (NULL == pszName) {
536 xf86SetModeDefaultName(pMode);
537 } else {
538 pMode->name = xnfstrdup(pszName);
539 }
540 *pModes = xf86ModesAdd(*pModes, pMode);
541 return pMode;
542}
543
544static DisplayModePtr
545vbox_output_get_modes (xf86OutputPtr output)
546{
547 DisplayModePtr pModes = NULL;
548 DisplayModePtr pPreferred = NULL;
549 ScrnInfoPtr pScrn = output->scrn;
550 VBOXPtr pVBox = VBOXGetRec(pScrn);
551
552 TRACE_ENTRY();
553 uint32_t iScreen = (uintptr_t)output->driver_private;
554 pPreferred = vbox_output_add_mode(pVBox, &pModes, NULL,
555 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
556 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
557 TRUE, FALSE);
558 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1600, FALSE, FALSE);
559 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1440, FALSE, FALSE);
560 vbox_output_add_mode(pVBox, &pModes, NULL, 2048, 1536, FALSE, FALSE);
561 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1600, FALSE, FALSE);
562 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1080, FALSE, FALSE);
563 vbox_output_add_mode(pVBox, &pModes, NULL, 1680, 1050, FALSE, FALSE);
564 vbox_output_add_mode(pVBox, &pModes, NULL, 1600, 1200, FALSE, FALSE);
565 vbox_output_add_mode(pVBox, &pModes, NULL, 1400, 1050, FALSE, FALSE);
566 vbox_output_add_mode(pVBox, &pModes, NULL, 1280, 1024, FALSE, FALSE);
567 vbox_output_add_mode(pVBox, &pModes, NULL, 1024, 768, FALSE, FALSE);
568 vbox_output_add_mode(pVBox, &pModes, NULL, 800, 600, FALSE, FALSE);
569 vbox_output_add_mode(pVBox, &pModes, NULL, 640, 480, FALSE, FALSE);
570 VBOXEDIDSet(output, pPreferred);
571 TRACE_EXIT();
572 return pModes;
573}
574
575static const xf86OutputFuncsRec VBOXOutputFuncs = {
576 .create_resources = vbox_output_stub,
577 .dpms = vbox_output_dpms,
578 .save = NULL, /* These two are never called by the server. */
579 .restore = NULL,
580 .mode_valid = vbox_output_mode_valid,
581 .mode_fixup = vbox_output_mode_fixup,
582 .prepare = vbox_output_stub,
583 .commit = vbox_output_stub,
584 .mode_set = vbox_output_mode_set,
585 .detect = vbox_output_detect,
586 .get_modes = vbox_output_get_modes,
587#ifdef RANDR_12_INTERFACE
588 .set_property = NULL,
589#endif
590 .destroy = vbox_output_stub
591};
592#endif /* VBOXVIDEO_13 */
593
594/* Module loader interface */
595static MODULESETUPPROTO(vboxSetup);
596
597static XF86ModuleVersionInfo vboxVersionRec =
598{
599 VBOX_DRIVER_NAME,
600 VBOX_VENDOR,
601 MODINFOSTRING1,
602 MODINFOSTRING2,
603#ifdef XORG_7X
604 XORG_VERSION_CURRENT,
605#else
606 XF86_VERSION_CURRENT,
607#endif
608 1, /* Module major version. Xorg-specific */
609 0, /* Module minor version. Xorg-specific */
610 1, /* Module patchlevel. Xorg-specific */
611 ABI_CLASS_VIDEODRV, /* This is a video driver */
612 ABI_VIDEODRV_VERSION,
613 MOD_CLASS_VIDEODRV,
614 {0, 0, 0, 0}
615};
616
617/*
618 * This data is accessed by the loader. The name must be the module name
619 * followed by "ModuleData".
620 */
621#ifdef XORG_7X
622_X_EXPORT
623#endif
624XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
625
626static pointer
627vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
628{
629 static Bool Initialised = FALSE;
630 RT_NOREF(Options, ErrorMinor);
631
632 if (!Initialised)
633 {
634 Initialised = TRUE;
635#ifdef PCIACCESS
636 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
637#else
638 xf86AddDriver(&VBOXVIDEO, Module, 0);
639#endif
640#ifndef XORG_7X
641 LoaderRefSymLists(fbSymbols,
642 shadowfbSymbols,
643 ramdacSymbols,
644 vgahwSymbols,
645 NULL);
646#endif
647 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
648 (void *)&VBOXVIDEO);
649 return (pointer)TRUE;
650 }
651
652 if (ErrorMajor)
653 *ErrorMajor = LDR_ONCEONLY;
654 return (NULL);
655}
656
657
658static const OptionInfoRec *
659VBOXAvailableOptions(int chipid, int busid)
660{
661 RT_NOREF(chipid, busid);
662 return (VBOXOptions);
663}
664
665static void
666VBOXIdentify(int flags)
667{
668 RT_NOREF(flags);
669 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
670}
671
672#ifndef XF86_SCRN_INTERFACE
673# define SCRNINDEXAPI(pfn) pfn ## Index
674static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
675{
676 RT_NOREF(scrnIndex);
677 return VBOXScreenInit(pScreen, argc, argv);
678}
679
680static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
681{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
682
683static void VBOXLeaveVTIndex(int scrnIndex, int flags)
684{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
685
686static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
687{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
688
689static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
690{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
691
692static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
693{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
694
695static void VBOXFreeScreenIndex(int scrnIndex, int flags)
696{ (void) flags; VBOXFreeScreen(xf86Screens[scrnIndex]); }
697# else
698# define SCRNINDEXAPI(pfn) pfn
699#endif /* XF86_SCRN_INTERFACE */
700
701static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
702{
703 pScrn->driverVersion = VBOX_VERSION;
704 pScrn->driverName = VBOX_DRIVER_NAME;
705 pScrn->name = VBOX_NAME;
706 pScrn->Probe = pfnProbe;
707 pScrn->PreInit = VBOXPreInit;
708 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
709 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
710 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
711 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
712 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
713 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
714}
715
716/*
717 * One of these functions is called once, at the start of the first server
718 * generation to do a minimal probe for supported hardware.
719 */
720
721#ifdef PCIACCESS
722static Bool
723VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
724 intptr_t match_data)
725{
726 ScrnInfoPtr pScrn;
727 int drmFd;
728
729 TRACE_ENTRY();
730
731 drmFd = open("/dev/dri/card0", O_RDWR, 0);
732 if (drmFd >= 0)
733 {
734 xf86Msg(X_INFO, "vboxvideo: kernel driver found, not loading.\n");
735 close(drmFd);
736 return FALSE;
737 }
738 /* It is safe to call this, as the X server enables I/O access before
739 * calling the probe call-backs. */
740 if (!xf86EnableIO())
741 {
742 xf86Msg(X_INFO, "vboxvideo: this driver requires direct hardware access. You may wish to use the kernel driver instead.\n");
743 return FALSE;
744 }
745 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
746 NULL, NULL, NULL, NULL, NULL);
747 if (pScrn != NULL) {
748 VBOXPtr pVBox;
749
750 VBOXSetRec(pScrn);
751 pVBox = VBOXGetRec(pScrn);
752 if (!pVBox)
753 return FALSE;
754 setScreenFunctions(pScrn, NULL);
755 pVBox->pciInfo = dev;
756 }
757
758 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
759 return (pScrn != NULL);
760}
761#endif
762
763#ifndef PCIACCESS
764static Bool
765VBOXProbe(DriverPtr drv, int flags)
766{
767 Bool foundScreen = FALSE;
768 int numDevSections;
769 GDevPtr *devSections;
770
771 /*
772 * Find the config file Device sections that match this
773 * driver, and return if there are none.
774 */
775 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
776 &devSections)) <= 0)
777 return (FALSE);
778
779 /* PCI BUS */
780 if (xf86GetPciVideoInfo())
781 {
782 int numUsed;
783 int *usedChips;
784 int i;
785 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
786 VBOXChipsets, VBOXPCIchipsets,
787 devSections, numDevSections,
788 drv, &usedChips);
789 if (numUsed > 0)
790 {
791 if (flags & PROBE_DETECT)
792 foundScreen = TRUE;
793 else
794 for (i = 0; i < numUsed; i++)
795 {
796 ScrnInfoPtr pScrn = NULL;
797 /* Allocate a ScrnInfoRec */
798 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
799 VBOXPCIchipsets,NULL,
800 NULL,NULL,NULL,NULL)))
801 {
802 setScreenFunctions(pScrn, VBOXProbe);
803 foundScreen = TRUE;
804 }
805 }
806 free(usedChips);
807 }
808 }
809 free(devSections);
810 return (foundScreen);
811}
812#endif
813
814
815/*
816 * QUOTE from the XFree86 DESIGN document:
817 *
818 * The purpose of this function is to find out all the information
819 * required to determine if the configuration is usable, and to initialise
820 * those parts of the ScrnInfoRec that can be set once at the beginning of
821 * the first server generation.
822 *
823 * (...)
824 *
825 * This includes probing for video memory, clocks, ramdac, and all other
826 * HW info that is needed. It includes determining the depth/bpp/visual
827 * and related info. It includes validating and determining the set of
828 * video modes that will be used (and anything that is required to
829 * determine that).
830 *
831 * This information should be determined in the least intrusive way
832 * possible. The state of the HW must remain unchanged by this function.
833 * Although video memory (including MMIO) may be mapped within this
834 * function, it must be unmapped before returning.
835 *
836 * END QUOTE
837 */
838
839static Bool
840VBOXPreInit(ScrnInfoPtr pScrn, int flags)
841{
842 VBOXPtr pVBox;
843 Gamma gzeros = {0.0, 0.0, 0.0};
844 rgb rzeros = {0, 0, 0};
845
846 TRACE_ENTRY();
847 /* Are we really starting the server, or is this just a dummy run? */
848 if (flags & PROBE_DETECT)
849 return (FALSE);
850
851 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "VirtualBox guest additions video driver version " VBOX_VERSION_STRING "r%d\n",
852 VBOX_SVN_REV);
853
854 /* The ramdac module is needed for the hardware cursor. */
855 if (!xf86LoadSubModule(pScrn, "ramdac"))
856 return FALSE;
857
858 /* The framebuffer module. */
859 if (!xf86LoadSubModule(pScrn, "fb"))
860 return (FALSE);
861
862 if (!xf86LoadSubModule(pScrn, "shadowfb"))
863 return FALSE;
864
865 if (!xf86LoadSubModule(pScrn, "vgahw"))
866 return FALSE;
867
868 /* Get our private data from the ScrnInfoRec structure. */
869 VBOXSetRec(pScrn);
870 pVBox = VBOXGetRec(pScrn);
871 if (!pVBox)
872 return FALSE;
873
874 /* Entity information seems to mean bus information. */
875 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
876
877#ifndef PCIACCESS
878 if (pVBox->pEnt->location.type != BUS_PCI)
879 return FALSE;
880
881 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
882 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
883 pVBox->pciInfo->device,
884 pVBox->pciInfo->func);
885#endif
886
887 /* Set up our ScrnInfoRec structure to describe our virtual
888 capabilities to X. */
889
890 pScrn->chipset = "vbox";
891 /** @note needed during colourmap initialisation */
892 pScrn->rgbBits = 8;
893
894 /* Let's create a nice, capable virtual monitor. */
895 pScrn->monitor = pScrn->confScreen->monitor;
896 pScrn->monitor->DDC = NULL;
897 pScrn->monitor->nHsync = 1;
898 pScrn->monitor->hsync[0].lo = 1;
899 pScrn->monitor->hsync[0].hi = 10000;
900 pScrn->monitor->nVrefresh = 1;
901 pScrn->monitor->vrefresh[0].lo = 1;
902 pScrn->monitor->vrefresh[0].hi = 100;
903
904 pScrn->progClock = TRUE;
905
906 /* Using the PCI information caused problems with non-powers-of-two
907 sized video RAM configurations */
908 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
909 pScrn->videoRam = pVBox->cbFBMax / 1024;
910
911 /* Check if the chip restricts horizontal resolution or not. */
912 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
913
914 /* Set up clock information that will support all modes we need. */
915 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
916 pScrn->clockRanges->minClock = 1000;
917 pScrn->clockRanges->maxClock = 1000000000;
918 pScrn->clockRanges->clockIndex = -1;
919 pScrn->clockRanges->ClockMulFactor = 1;
920 pScrn->clockRanges->ClockDivFactor = 1;
921
922 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
923 return FALSE;
924 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
925 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
926 {
927 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
928 "The VBox additions only support 16 and 32bpp graphics modes\n");
929 return FALSE;
930 }
931 xf86PrintDepthBpp(pScrn);
932 vboxAddModes(pScrn);
933
934#ifdef VBOXVIDEO_13
935 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
936 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
937#else
938 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
939 * already know what we like and what we don't. */
940
941 pScrn->currentMode = pScrn->modes;
942
943 /* Set the right virtual resolution. */
944 pScrn->virtualX = pScrn->bitsPerPixel == 16 ? (pScrn->currentMode->HDisplay + 1) & ~1 : pScrn->currentMode->HDisplay;
945 pScrn->virtualY = pScrn->currentMode->VDisplay;
946
947#endif /* !VBOXVIDEO_13 */
948
949 pScrn->displayWidth = pScrn->virtualX;
950
951 xf86PrintModes(pScrn);
952
953 /* VGA hardware initialisation */
954 if (!vgaHWGetHWRec(pScrn))
955 return FALSE;
956 /* Must be called before any VGA registers are saved or restored */
957 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
958 vgaHWGetIOBase(VGAHWPTR(pScrn));
959
960 /* Colour weight - we always call this, since we are always in
961 truecolour. */
962 if (!xf86SetWeight(pScrn, rzeros, rzeros))
963 return (FALSE);
964
965 /* visual init */
966 if (!xf86SetDefaultVisual(pScrn, -1))
967 return (FALSE);
968
969 xf86SetGamma(pScrn, gzeros);
970
971 /* Set the DPI. Perhaps we should read this from the host? */
972 xf86SetDpi(pScrn, 96, 96);
973
974 if (pScrn->memPhysBase == 0) {
975#ifdef PCIACCESS
976 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
977#else
978 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
979#endif
980 pScrn->fbOffset = 0;
981 }
982
983 TRACE_EXIT();
984 return (TRUE);
985}
986
987/**
988 * Dummy function for setting the colour palette, which we actually never
989 * touch. However, the server still requires us to provide this.
990 */
991static void
992vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
993 LOCO *colors, VisualPtr pVisual)
994{
995 (void)pScrn; (void) numColors; (void) indices; (void) colors;
996 (void)pVisual;
997}
998
999/** Set the graphics and guest cursor support capabilities to the host if
1000 * the user-space helper is running. */
1001static void updateGraphicsCapability(ScrnInfoPtr pScrn, Bool hasVT)
1002{
1003 VBOXPtr pVBox = VBOXGetRec(pScrn);
1004
1005 if (!pVBox->fHaveHGSMIModeHints)
1006 return;
1007 VBoxHGSMISendCapsInfo(&pVBox->guestCtx, hasVT
1008 ? VBVACAPS_VIDEO_MODE_HINTS | VBVACAPS_DISABLE_CURSOR_INTEGRATION
1009 : VBVACAPS_DISABLE_CURSOR_INTEGRATION);
1010}
1011
1012#ifndef VBOXVIDEO_13
1013
1014#define PREFERRED_MODE_ATOM_NAME "VBOXVIDEO_PREFERRED_MODE"
1015
1016static void setSizesRandR11(ScrnInfoPtr pScrn)
1017{
1018 VBOXPtr pVBox = VBOXGetRec(pScrn);
1019 DisplayModePtr pNewMode;
1020 int32_t propertyValue;
1021
1022 pNewMode = pScrn->modes != pScrn->currentMode ? pScrn->modes : pScrn->modes->next;
1023 pNewMode->HDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1024 pNewMode->VDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1025 propertyValue = (pNewMode->HDisplay << 16) + pNewMode->VDisplay;
1026 ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(PREFERRED_MODE_ATOM_NAME,
1027 sizeof(PREFERRED_MODE_ATOM_NAME) - 1, TRUE), XA_INTEGER, 32,
1028 PropModeReplace, 1, &propertyValue, TRUE);
1029}
1030
1031#endif
1032
1033static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, Bool fScreenInitTime)
1034{
1035 RT_NOREF(fScreenInitTime);
1036 TRACE_LOG("fScreenInitTime=%d\n", (int)fScreenInitTime);
1037#ifdef VBOXVIDEO_13
1038# if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1039 RRGetInfo(xf86ScrnToScreen(pScrn), TRUE);
1040# else
1041 RRGetInfo(xf86ScrnToScreen(pScrn));
1042# endif
1043#else
1044 setSizesRandR11(pScrn);
1045#endif
1046 /* This calls EnableDisableFBAccess(), so only use when switched in. */
1047 if (pScrn->vtSema)
1048 vbvxReprobeCursor(pScrn);
1049}
1050
1051/* We update the size hints from the X11 property set by VBoxClient every time
1052 * that the X server goes to sleep (to catch the property change request).
1053 * Although this is far more often than necessary it should not have real-life
1054 * performance consequences and allows us to simplify the code quite a bit. */
1055static void vboxBlockHandler(pointer pData, OSTimePtr pTimeout, pointer pReadmask)
1056{
1057 ScrnInfoPtr pScrn = (ScrnInfoPtr)pData;
1058 Bool fNeedUpdate = false;
1059
1060 (void)pTimeout;
1061 (void)pReadmask;
1062 if (pScrn->vtSema)
1063 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, &fNeedUpdate);
1064 if (fNeedUpdate)
1065 setSizesAndCursorIntegration(pScrn, false);
1066}
1067
1068/*
1069 * QUOTE from the XFree86 DESIGN document:
1070 *
1071 * This is called at the start of each server generation.
1072 *
1073 * (...)
1074 *
1075 * Decide which operations need to be placed under resource access
1076 * control. (...) Map any video memory or other memory regions. (...)
1077 * Save the video card state. (...) Initialise the initial video
1078 * mode.
1079 *
1080 * End QUOTE.
1081 */
1082static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1083{
1084 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1085 VBOXPtr pVBox = VBOXGetRec(pScrn);
1086 VisualPtr visual;
1087 RT_NOREF(argc, argv);
1088
1089 TRACE_ENTRY();
1090
1091 /* Initialise our guest library if possible: ignore failure. */
1092 VbglR3Init();
1093 if (!VBOXMapVidMem(pScrn))
1094 return (FALSE);
1095
1096 /* save current video state */
1097 VBOXSaveMode(pScrn);
1098
1099 /* mi layer - reset the visual list (?)*/
1100 miClearVisualTypes();
1101 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1102 pScrn->rgbBits, TrueColor))
1103 return (FALSE);
1104 if (!miSetPixmapDepths())
1105 return (FALSE);
1106
1107 if (!fbScreenInit(pScreen, pVBox->base,
1108 pScrn->virtualX, pScrn->virtualY,
1109 pScrn->xDpi, pScrn->yDpi,
1110 pScrn->displayWidth, pScrn->bitsPerPixel))
1111 return (FALSE);
1112
1113 /* Fixup RGB ordering */
1114 /** @note the X server uses this even in true colour. */
1115 visual = pScreen->visuals + pScreen->numVisuals;
1116 while (--visual >= pScreen->visuals) {
1117 if ((visual->class | DynamicClass) == DirectColor) {
1118 visual->offsetRed = pScrn->offset.red;
1119 visual->offsetGreen = pScrn->offset.green;
1120 visual->offsetBlue = pScrn->offset.blue;
1121 visual->redMask = pScrn->mask.red;
1122 visual->greenMask = pScrn->mask.green;
1123 visual->blueMask = pScrn->mask.blue;
1124 }
1125 }
1126
1127 /* must be after RGB ordering fixed */
1128 fbPictureInit(pScreen, 0, 0);
1129
1130 xf86SetBlackWhitePixels(pScreen);
1131 pScrn->vtSema = TRUE;
1132
1133#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1134 vbvxSetUpLinuxACPI(pScreen);
1135#endif
1136
1137 if (!VBoxHGSMIIsSupported())
1138 {
1139 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Graphics device too old to support.\n");
1140 return FALSE;
1141 }
1142 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1143 pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx);
1144 pVBox->pScreens = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->pScreens));
1145 pVBox->paVBVAModeHints = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->paVBVAModeHints));
1146 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n", pVBox->cScreens);
1147 vboxEnableVbva(pScrn);
1148 /* Set up the dirty rectangle handler. It will be added into a function
1149 * chain and gets removed when the screen is cleaned up. */
1150 if (ShadowFBInit2(pScreen, NULL, vbvxHandleDirtyRect) != TRUE)
1151 return FALSE;
1152 VBoxInitialiseSizeHints(pScrn);
1153
1154#ifdef VBOXVIDEO_13
1155 /* Initialise CRTC and output configuration for use with randr1.2. */
1156 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1157
1158 {
1159 uint32_t i;
1160
1161 for (i = 0; i < pVBox->cScreens; ++i)
1162 {
1163 char szOutput[256];
1164
1165 /* Setup our virtual CRTCs. */
1166 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1167 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1168
1169 /* Set up our virtual outputs. */
1170 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1171 pVBox->pScreens[i].paOutputs
1172 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1173
1174 /* We are not interested in the monitor section in the
1175 * configuration file. */
1176 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1177 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1178 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1179 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1180 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1181 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1182 (void *)pVBox->pScreens[i].paOutputs);
1183 }
1184 }
1185
1186 /* Set a sane minimum and maximum mode size to match what the hardware
1187 * supports. */
1188 xf86CrtcSetSizeRange(pScrn, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL, VBOX_VIDEO_MAX_VIRTUAL);
1189
1190 /* Now create our initial CRTC/output configuration. */
1191 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1192 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1193 return (FALSE);
1194 }
1195
1196 /* Work around a bug in the original X server modesetting code, which took
1197 * the first valid values set to these two as maxima over the server
1198 * lifetime. This bug was introduced on Feb 15 2007 and was fixed in commit
1199 * fa877d7f three months later, so it was present in X.Org Server 1.3. */
1200 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
1201 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
1202
1203 /* Initialise randr 1.2 mode-setting functions. */
1204 if (!xf86CrtcScreenInit(pScreen)) {
1205 return FALSE;
1206 }
1207
1208 /* set first video mode */
1209 if (!xf86SetDesiredModes(pScrn)) {
1210 return FALSE;
1211 }
1212#else /* !VBOXVIDEO_13 */
1213 /* set first video mode */
1214 setModeRandR11(pScrn, pScrn->currentMode, true, false, 0, 0);
1215#endif /* !VBOXVIDEO_13 */
1216
1217 /* Say that we support graphics. */
1218 updateGraphicsCapability(pScrn, TRUE);
1219
1220 /* Register block and wake-up handlers for getting new screen size hints. */
1221 RegisterBlockAndWakeupHandlers(vboxBlockHandler, (WakeupHandlerProcPtr)NoopDDA, (pointer)pScrn);
1222
1223 /* software cursor */
1224 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1225
1226 /* colourmap code */
1227 if (!miCreateDefColormap(pScreen))
1228 return (FALSE);
1229
1230 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1231 return (FALSE);
1232
1233 pVBox->CloseScreen = pScreen->CloseScreen;
1234 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1235#ifdef VBOXVIDEO_13
1236 pScreen->SaveScreen = xf86SaveScreen;
1237#else
1238 pScreen->SaveScreen = VBOXSaveScreen;
1239#endif
1240
1241#ifdef VBOXVIDEO_13
1242 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1243#else
1244 /* We probably do want to support power management - even if we just use
1245 a dummy function. */
1246 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1247#endif
1248
1249 /* Report any unused options (only for the first generation) */
1250 if (serverGeneration == 1)
1251 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1252
1253 if (vbvxCursorInit(pScreen) != TRUE)
1254 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1255 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1256
1257 return (TRUE);
1258}
1259
1260#define NO_VT_ATOM_NAME "VBOXVIDEO_NO_VT"
1261
1262static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1263{
1264 VBOXPtr pVBox = VBOXGetRec(pScrn);
1265#ifndef VBOXVIDEO_13
1266 /* If we got a mode request while we were switched out, temporarily override
1267 * the physical mode set to the device while keeping things consistent from
1268 * the server's point of view. */
1269 int cXOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1270 int cYOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1271#endif
1272
1273 TRACE_ENTRY();
1274 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1275 vboxEnableVbva(pScrn);
1276 /* Re-set video mode */
1277#ifdef VBOXVIDEO_13
1278 if (!xf86SetDesiredModes(pScrn)) {
1279 return FALSE;
1280 }
1281#else
1282 setModeRandR11(pScrn, pScrn->currentMode, false, true, cXOverRide, cYOverRide);
1283 DeleteProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, TRUE));
1284#endif
1285 updateGraphicsCapability(pScrn, TRUE);
1286 return TRUE;
1287}
1288
1289static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1290{
1291#ifdef VBOXVIDEO_13
1292 VBOXPtr pVBox = VBOXGetRec(pScrn);
1293 unsigned i;
1294#else
1295 int32_t propertyValue = 0;
1296#endif
1297
1298 TRACE_ENTRY();
1299#ifdef VBOXVIDEO_13
1300 for (i = 0; i < pVBox->cScreens; ++i)
1301 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1302#else
1303 ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, FALSE), XA_INTEGER, 32,
1304 PropModeReplace, 1, &propertyValue, TRUE);
1305#endif
1306 updateGraphicsCapability(pScrn, FALSE);
1307 vboxDisableVbva(pScrn);
1308 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1309 VBOXRestoreMode(pScrn);
1310 TRACE_EXIT();
1311}
1312
1313static Bool VBOXCloseScreen(ScreenPtr pScreen)
1314{
1315 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1316 VBOXPtr pVBox = VBOXGetRec(pScrn);
1317 BOOL ret;
1318
1319 if (pScrn->vtSema)
1320 {
1321#ifdef VBOXVIDEO_13
1322 unsigned i;
1323
1324 for (i = 0; i < pVBox->cScreens; ++i)
1325 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1326#endif
1327 vboxDisableVbva(pScrn);
1328 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1329 }
1330 if (pScrn->vtSema)
1331 VBOXRestoreMode(pScrn);
1332 if (pScrn->vtSema)
1333 VBOXUnmapVidMem(pScrn);
1334 pScrn->vtSema = FALSE;
1335
1336 vbvxCursorTerm(pVBox);
1337
1338 pScreen->CloseScreen = pVBox->CloseScreen;
1339#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1340 vbvxCleanUpLinuxACPI(pScreen);
1341#endif
1342#ifndef XF86_SCRN_INTERFACE
1343 ret = pScreen->CloseScreen(pScreen->myNum, pScreen);
1344#else
1345 ret = pScreen->CloseScreen(pScreen);
1346#endif
1347 VbglR3Term();
1348 return ret;
1349}
1350
1351static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1352{
1353 Bool rc = TRUE;
1354
1355 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1356#ifdef VBOXVIDEO_13
1357 rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
1358#else
1359 setModeRandR11(pScrn, pMode, false, false, 0, 0);
1360#endif
1361 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1362 return rc;
1363}
1364
1365static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1366{ (void)pScrn; (void)x; (void)y; }
1367
1368static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1369{
1370 /* Destroy the VGA hardware record */
1371 vgaHWFreeHWRec(pScrn);
1372 /* And our private record */
1373 free(pScrn->driverPrivate);
1374 pScrn->driverPrivate = NULL;
1375}
1376
1377static Bool
1378VBOXMapVidMem(ScrnInfoPtr pScrn)
1379{
1380 VBOXPtr pVBox = VBOXGetRec(pScrn);
1381 Bool rc = TRUE;
1382
1383 TRACE_ENTRY();
1384 if (!pVBox->base)
1385 {
1386#ifdef PCIACCESS
1387 (void) pci_device_map_range(pVBox->pciInfo,
1388 pScrn->memPhysBase,
1389 pScrn->videoRam * 1024,
1390 PCI_DEV_MAP_FLAG_WRITABLE,
1391 & pVBox->base);
1392#else
1393 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1394 VIDMEM_FRAMEBUFFER,
1395 pVBox->pciTag, pScrn->memPhysBase,
1396 (unsigned) pScrn->videoRam * 1024);
1397#endif
1398 if (!pVBox->base)
1399 rc = FALSE;
1400 }
1401 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1402 return rc;
1403}
1404
1405static void
1406VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1407{
1408 VBOXPtr pVBox = VBOXGetRec(pScrn);
1409
1410 TRACE_ENTRY();
1411 if (pVBox->base == NULL)
1412 return;
1413
1414#ifdef PCIACCESS
1415 (void) pci_device_unmap_range(pVBox->pciInfo,
1416 pVBox->base,
1417 pScrn->videoRam * 1024);
1418#else
1419 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1420 (unsigned) pScrn->videoRam * 1024);
1421#endif
1422 pVBox->base = NULL;
1423 TRACE_EXIT();
1424}
1425
1426#ifndef VBOXVIDEO_13
1427static Bool
1428VBOXSaveScreen(ScreenPtr pScreen, int mode)
1429{
1430 (void)pScreen; (void)mode;
1431 return TRUE;
1432}
1433#endif
1434
1435void
1436VBOXSaveMode(ScrnInfoPtr pScrn)
1437{
1438 VBOXPtr pVBox = VBOXGetRec(pScrn);
1439 vgaRegPtr vgaReg;
1440
1441 TRACE_ENTRY();
1442 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1443 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1444 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1445 &pVBox->cSavedHeight,
1446 &pVBox->cSavedPitch,
1447 &pVBox->cSavedBPP,
1448 &pVBox->fSavedFlags);
1449}
1450
1451void
1452VBOXRestoreMode(ScrnInfoPtr pScrn)
1453{
1454 VBOXPtr pVBox = VBOXGetRec(pScrn);
1455 vgaRegPtr vgaReg;
1456
1457 TRACE_ENTRY();
1458 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1459 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1460 if (pVBox->fSavedVBEMode)
1461 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1462 pVBox->cSavedPitch, pVBox->cSavedBPP,
1463 pVBox->fSavedFlags, 0, 0);
1464 else
1465 VBoxVideoDisableVBE();
1466}
1467
1468#ifndef VBOXVIDEO_13
1469static void
1470VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags)
1471{
1472 (void)pScrn; (void)mode; (void) flags;
1473}
1474#endif
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