VirtualBox

source: vbox/trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo.c@ 69066

Last change on this file since 69066 was 69066, checked in by vboxsync, 7 years ago

Additions/x11/vboxvideo: Consistently use RT_NOREF rather than NOREF or (void).
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: 48.3 KB
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1/* $Id: vboxvideo.c 69066 2017-10-12 19:03:30Z 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/VBoxGuestLib.h>
47#include <VBoxVideoVBE.h>
48
49/* Basic definitions and functions needed by all drivers. */
50#include "xf86.h"
51/* For video memory mapping. */
52#include "xf86_OSproc.h"
53#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
54/* PCI resources. */
55# include "xf86Resources.h"
56#endif
57/* Generic server linear frame-buffer APIs. */
58#include "fb.h"
59/* Colormap and visual handling. */
60#include "micmap.h"
61#include "xf86cmap.h"
62/* ShadowFB support */
63#include "shadowfb.h"
64/* VGA hardware functions for setting and restoring text mode */
65#include "vgaHW.h"
66#ifdef VBOXVIDEO_13
67/* X.org 1.3+ mode setting */
68# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */
69# include "xf86Crtc.h"
70# include "xf86Modes.h"
71/* For xf86RandR12GetOriginalVirtualSize(). */
72# include "xf86RandR12.h"
73#endif
74/* For setting the root window property. */
75#include "property.h"
76#include "X11/Xatom.h"
77
78#ifdef XORG_7X
79# include <stdlib.h>
80# include <string.h>
81# include <fcntl.h>
82# include <unistd.h>
83#endif
84
85/* Mandatory functions */
86
87static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid);
88static void VBOXIdentify(int flags);
89#ifndef PCIACCESS
90static Bool VBOXProbe(DriverPtr drv, int flags);
91#else
92static Bool VBOXPciProbe(DriverPtr drv, int entity_num,
93 struct pci_device *dev, intptr_t match_data);
94#endif
95static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags);
96static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv);
97static Bool VBOXEnterVT(ScrnInfoPtr pScrn);
98static void VBOXLeaveVT(ScrnInfoPtr pScrn);
99static Bool VBOXCloseScreen(ScreenPtr pScreen);
100#ifndef VBOXVIDEO_13
101static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
102#endif
103static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
104static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
105static void VBOXFreeScreen(ScrnInfoPtr pScrn);
106#ifndef VBOXVIDEO_13
107static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags);
108#endif
109
110/* locally used functions */
111static Bool VBOXMapVidMem(ScrnInfoPtr pScrn);
112static void VBOXUnmapVidMem(ScrnInfoPtr pScrn);
113static void VBOXSaveMode(ScrnInfoPtr pScrn);
114static void VBOXRestoreMode(ScrnInfoPtr pScrn);
115static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, Bool fScreenInitTime);
116
117#ifndef XF86_SCRN_INTERFACE
118# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
119# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
120#endif
121
122static inline void VBOXSetRec(ScrnInfoPtr pScrn)
123{
124 if (!pScrn->driverPrivate)
125 {
126 VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1);
127 pScrn->driverPrivate = pVBox;
128#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
129 pVBox->fdACPIDevices = -1;
130#endif
131 }
132}
133
134enum GenericTypes
135{
136 CHIP_VBOX_GENERIC
137};
138
139#ifdef PCIACCESS
140static const struct pci_id_match vbox_device_match[] = {
141 {
142 VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY,
143 0, 0, 0
144 },
145
146 { 0, 0, 0 },
147};
148#endif
149
150/* Supported chipsets */
151static SymTabRec VBOXChipsets[] =
152{
153 {VBOX_DEVICEID, "vbox"},
154 {-1, NULL}
155};
156
157static PciChipsets VBOXPCIchipsets[] = {
158 { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA },
159 { -1, -1, RES_UNDEFINED },
160};
161
162/*
163 * This contains the functions needed by the server after loading the
164 * driver module. It must be supplied, and gets added the driver list by
165 * the Module Setup function in the dynamic case. In the static case a
166 * reference to this is compiled in, and this requires that the name of
167 * this DriverRec be an upper-case version of the driver name.
168 */
169
170#ifdef XORG_7X
171_X_EXPORT
172#endif
173DriverRec VBOXVIDEO = {
174 VBOX_VERSION,
175 VBOX_DRIVER_NAME,
176 VBOXIdentify,
177#ifdef PCIACCESS
178 NULL,
179#else
180 VBOXProbe,
181#endif
182 VBOXAvailableOptions,
183 NULL,
184 0,
185#ifdef XORG_7X
186 NULL,
187#endif
188#ifdef PCIACCESS
189 vbox_device_match,
190 VBOXPciProbe
191#endif
192};
193
194/* No options for now */
195static const OptionInfoRec VBOXOptions[] = {
196 { -1, NULL, OPTV_NONE, {0}, FALSE }
197};
198
199#ifndef XORG_7X
200/*
201 * List of symbols from other modules that this module references. This
202 * list is used to tell the loader that it is OK for symbols here to be
203 * unresolved providing that it hasn't been told that they haven't been
204 * told that they are essential via a call to xf86LoaderReqSymbols() or
205 * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about
206 * unresolved symbols that are not required.
207 */
208static const char *fbSymbols[] = {
209 "fbPictureInit",
210 "fbScreenInit",
211 NULL
212};
213
214static const char *shadowfbSymbols[] = {
215 "ShadowFBInit2",
216 NULL
217};
218
219static const char *ramdacSymbols[] = {
220 "xf86DestroyCursorInfoRec",
221 "xf86InitCursor",
222 "xf86CreateCursorInfoRec",
223 NULL
224};
225
226static const char *vgahwSymbols[] = {
227 "vgaHWFreeHWRec",
228 "vgaHWGetHWRec",
229 "vgaHWGetIOBase",
230 "vgaHWGetIndex",
231 "vgaHWRestore",
232 "vgaHWSave",
233 "vgaHWSetStdFuncs",
234 NULL
235};
236#endif /* !XORG_7X */
237
238/** Resize the virtual framebuffer. */
239static Bool adjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height)
240{
241 ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
242 VBOXPtr pVBox = VBOXGetRec(pScrn);
243 int adjustedWidth = pScrn->bitsPerPixel == 16 ? (width + 1) & ~1 : width;
244 int cbLine = adjustedWidth * pScrn->bitsPerPixel / 8;
245 PixmapPtr pPixmap;
246
247 TRACE_LOG("width=%d, height=%d\n", width, height);
248 VBVXASSERT(width >= 0 && height >= 0, ("Invalid negative width (%d) or height (%d)\n", width, height));
249 if (pScreen == NULL) /* Not yet initialised. */
250 return TRUE;
251 pPixmap = pScreen->GetScreenPixmap(pScreen);
252 VBVXASSERT(pPixmap != NULL, ("Failed to get the screen pixmap.\n"));
253 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",
254 pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base, pPixmap->drawable.width,
255 pPixmap->drawable.height);
256 if ( adjustedWidth != pPixmap->drawable.width
257 || height != pPixmap->drawable.height)
258 {
259 if ( adjustedWidth > VBOX_VIDEO_MAX_VIRTUAL || height > VBOX_VIDEO_MAX_VIRTUAL
260 || (unsigned)cbLine * (unsigned)height >= pVBox->cbFBMax)
261 {
262 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
263 "Virtual framebuffer %dx%d too large. For information, video memory: %u Kb.\n",
264 adjustedWidth, height, (unsigned) pVBox->cbFBMax / 1024);
265 return FALSE;
266 }
267 if (pScrn->vtSema)
268 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8),
269 ((size_t)adjustedWidth) * height * (pScrn->bitsPerPixel / 8));
270 pScreen->ModifyPixmapHeader(pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base);
271 }
272 pScrn->displayWidth = pScrn->virtualX = adjustedWidth;
273 pScrn->virtualY = height;
274 return TRUE;
275}
276
277#ifndef VBOXVIDEO_13
278/** Set a video mode to the hardware, RandR 1.1 version.
279 *
280 * Since we no longer do virtual frame buffers, adjust the screen pixmap
281 * dimensions to match. The "override" parameters are for when we received a
282 * mode hint while switched to a virtual terminal. In this case VBoxClient will
283 * have told us about the mode, but not yet been able to do a mode switch using
284 * RandR. We solve this by setting the requested mode to the host but keeping
285 * the virtual frame-
286 * buffer matching what the X server expects. */
287static void setModeRandR11(ScrnInfoPtr pScrn, DisplayModePtr pMode, Bool fScreenInitTime, Bool fEnterVTTime,
288 int cXOverRide, int cYOverRide)
289{
290 VBOXPtr pVBox = VBOXGetRec(pScrn);
291 struct vbvxFrameBuffer frameBuffer = { 0, 0, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel};
292 int cXPhysical = cXOverRide > 0 ? min(cXOverRide, pMode->HDisplay) : pMode->HDisplay;
293 int cYPhysical = cYOverRide > 0 ? min(cYOverRide, pMode->VDisplay) : pMode->VDisplay;
294
295 pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
296 pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
297 if (fScreenInitTime)
298 {
299 /* The screen structure is not fully set up yet, so do not touch it. */
300 pScrn->displayWidth = pScrn->virtualX = pMode->HDisplay;
301 pScrn->virtualY = pMode->VDisplay;
302 }
303 else
304 {
305 xf86ScrnToScreen(pScrn)->width = pMode->HDisplay;
306 xf86ScrnToScreen(pScrn)->height = pMode->VDisplay;
307 /* This prevents a crash in CentOS 3. I was unable to debug it to
308 * satisfaction, partly due to the lack of symbols. My guess is that
309 * pScrn->ModifyPixmapHeader() expects certain things to be set up when
310 * it sees pScrn->vtSema set to true which are not quite done at this
311 * point of the VT switch. */
312 if (fEnterVTTime)
313 pScrn->vtSema = FALSE;
314 adjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
315 if (fEnterVTTime)
316 pScrn->vtSema = TRUE;
317 }
318 if (pMode->HDisplay != 0 && pMode->VDisplay != 0 && pScrn->vtSema)
319 vbvxSetMode(pScrn, 0, cXPhysical, cYPhysical, 0, 0, true, true, &frameBuffer);
320 pScrn->currentMode = pMode;
321}
322#endif
323
324#ifdef VBOXVIDEO_13
325/* X.org 1.3+ mode-setting support ******************************************/
326
327/** Set a video mode to the hardware, RandR 1.2 version. If this is the first
328 * screen, re-set the current mode for all others (the offset for the first
329 * screen is always treated as zero by the hardware, so all other screens need
330 * to be changed to compensate for any changes!). The mode to set is taken
331 * from the X.Org Crtc structure. */
332static void setModeRandR12(ScrnInfoPtr pScrn, unsigned cScreen)
333{
334 VBOXPtr pVBox = VBOXGetRec(pScrn);
335 unsigned i;
336 struct vbvxFrameBuffer frameBuffer = { pVBox->pScreens[0].paCrtcs->x, pVBox->pScreens[0].paCrtcs->y, pScrn->virtualX,
337 pScrn->virtualY, pScrn->bitsPerPixel };
338 unsigned cFirst = cScreen;
339 unsigned cLast = cScreen != 0 ? cScreen + 1 : pVBox->cScreens;
340 int originalX, originalY;
341
342 /* Check that this code cannot trigger the resizing bug in X.Org Server 1.3.
343 * See the work-around in ScreenInit. */
344 xf86RandR12GetOriginalVirtualSize(pScrn, &originalX, &originalY);
345 VBVXASSERT(originalX == VBOX_VIDEO_MAX_VIRTUAL && originalY == VBOX_VIDEO_MAX_VIRTUAL, ("OriginalSize=%dx%d",
346 originalX, originalY));
347 for (i = cFirst; i < cLast; ++i)
348 if (pVBox->pScreens[i].paCrtcs->mode.HDisplay != 0 && pVBox->pScreens[i].paCrtcs->mode.VDisplay != 0 && pScrn->vtSema)
349 vbvxSetMode(pScrn, i, pVBox->pScreens[i].paCrtcs->mode.HDisplay, pVBox->pScreens[i].paCrtcs->mode.VDisplay,
350 pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, pVBox->pScreens[i].fPowerOn,
351 pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected, &frameBuffer);
352}
353
354/** Wrapper around setModeRandR12() to avoid exposing non-obvious semantics.
355 */
356static void setAllModesRandR12(ScrnInfoPtr pScrn)
357{
358 setModeRandR12(pScrn, 0);
359}
360
361/* For descriptions of these functions and structures, see
362 hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the
363 X.Org source tree. */
364
365static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch)
366{
367 VBOXPtr pVBox = VBOXGetRec(pScrn);
368 Bool rc;
369 unsigned i;
370
371 TRACE_LOG("width=%d, height=%d\n", cw, ch);
372 rc = adjustScreenPixmap(pScrn, cw, ch);
373 /* Power-on all screens (the server expects this) and set the new pitch to them. */
374 for (i = 0; i < pVBox->cScreens; ++i)
375 pVBox->pScreens[i].fPowerOn = true;
376 setAllModesRandR12(pScrn);
377 vbvxSetSolarisMouseRange(cw, ch);
378 return rc;
379}
380
381static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
382 vbox_config_resize
383};
384
385static void
386vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
387{
388 ScrnInfoPtr pScrn = crtc->scrn;
389 VBOXPtr pVBox = VBOXGetRec(pScrn);
390 unsigned cDisplay = (uintptr_t)crtc->driver_private;
391
392 TRACE_LOG("mode=%d\n", mode);
393 pVBox->pScreens[cDisplay].fPowerOn = (mode != DPMSModeOff);
394 setModeRandR12(pScrn, cDisplay);
395}
396
397static Bool
398vbox_crtc_lock (xf86CrtcPtr crtc)
399{ RT_NOREF(crtc); return FALSE; }
400
401
402/* We use this function to check whether the X server owns the active virtual
403 * terminal before attempting a mode switch, since the RandR extension isn't
404 * very dilligent here, which can mean crashes if we are unlucky. This is
405 * not the way it the function is intended - it is meant for reporting modes
406 * which the hardware can't handle. I hope that this won't confuse any clients
407 * connecting to us. */
408static Bool
409vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode,
410 DisplayModePtr adjusted_mode)
411{ RT_NOREF(crtc, mode, adjusted_mode); return TRUE; }
412
413static void
414vbox_crtc_stub (xf86CrtcPtr crtc)
415{ RT_NOREF(crtc); }
416
417static void
418vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
419 DisplayModePtr adjusted_mode, int x, int y)
420{
421 RT_NOREF(mode);
422 VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
423 unsigned cDisplay = (uintptr_t)crtc->driver_private;
424
425 TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name,
426 adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y);
427 pVBox->pScreens[cDisplay].fPowerOn = true;
428 pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay;
429 pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay;
430 pVBox->pScreens[cDisplay].aScreenLocation.x = x;
431 pVBox->pScreens[cDisplay].aScreenLocation.y = y;
432 setModeRandR12(crtc->scrn, cDisplay);
433}
434
435static void
436vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
437 CARD16 *green, CARD16 *blue, int size)
438{ RT_NOREF(crtc, red, green, blue, size); }
439
440static void *
441vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
442{ RT_NOREF(crtc, width, height); return NULL; }
443
444static const xf86CrtcFuncsRec VBOXCrtcFuncs = {
445 .dpms = vbox_crtc_dpms,
446 .save = NULL, /* These two are never called by the server. */
447 .restore = NULL,
448 .lock = vbox_crtc_lock,
449 .unlock = NULL, /* This will not be invoked if lock returns FALSE. */
450 .mode_fixup = vbox_crtc_mode_fixup,
451 .prepare = vbox_crtc_stub,
452 .mode_set = vbox_crtc_mode_set,
453 .commit = vbox_crtc_stub,
454 .gamma_set = vbox_crtc_gamma_set,
455 .shadow_allocate = vbox_crtc_shadow_allocate,
456 .shadow_create = NULL, /* These two should not be invoked if allocate
457 returns NULL. */
458 .shadow_destroy = NULL,
459 .set_cursor_colors = NULL, /* We are still using the old cursor API. */
460 .set_cursor_position = NULL,
461 .show_cursor = NULL,
462 .hide_cursor = NULL,
463 .load_cursor_argb = NULL,
464 .destroy = vbox_crtc_stub
465};
466
467static void
468vbox_output_stub (xf86OutputPtr output)
469{ RT_NOREF(output); }
470
471static void
472vbox_output_dpms (xf86OutputPtr output, int mode)
473{
474 RT_NOREF(output, mode);
475}
476
477static int
478vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode)
479{
480 return MODE_OK;
481}
482
483static Bool
484vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode,
485 DisplayModePtr adjusted_mode)
486{ RT_NOREF(output, mode, adjusted_mode); return TRUE; }
487
488static void
489vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
490 DisplayModePtr adjusted_mode)
491{ RT_NOREF(output, mode, adjusted_mode); }
492
493/* A virtual monitor is always connected. */
494static xf86OutputStatus
495vbox_output_detect (xf86OutputPtr output)
496{
497 ScrnInfoPtr pScrn = output->scrn;
498 VBOXPtr pVBox = VBOXGetRec(pScrn);
499 uint32_t iScreen = (uintptr_t)output->driver_private;
500 return pVBox->pScreens[iScreen].afConnected
501 ? XF86OutputStatusConnected : XF86OutputStatusDisconnected;
502}
503
504static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y,
505 Bool isPreferred, Bool isUserDef)
506{
507 TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y);
508 DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec));
509 int cRefresh = 60;
510
511 pMode->status = MODE_OK;
512 /* We don't ask the host whether it likes user defined modes,
513 * as we assume that the user really wanted that mode. */
514 pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN;
515 if (isPreferred)
516 pMode->type |= M_T_PREFERRED;
517 /* Older versions of VBox only support screen widths which are a multiple
518 * of 8 */
519 if (pVBox->fAnyX)
520 pMode->HDisplay = x;
521 else
522 pMode->HDisplay = x & ~7;
523 pMode->HSyncStart = pMode->HDisplay + 2;
524 pMode->HSyncEnd = pMode->HDisplay + 4;
525 pMode->HTotal = pMode->HDisplay + 6;
526 pMode->VDisplay = y;
527 pMode->VSyncStart = pMode->VDisplay + 2;
528 pMode->VSyncEnd = pMode->VDisplay + 4;
529 pMode->VTotal = pMode->VDisplay + 6;
530 pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */
531 if (NULL == pszName) {
532 xf86SetModeDefaultName(pMode);
533 } else {
534 pMode->name = xnfstrdup(pszName);
535 }
536 *pModes = xf86ModesAdd(*pModes, pMode);
537 return pMode;
538}
539
540static DisplayModePtr
541vbox_output_get_modes (xf86OutputPtr output)
542{
543 DisplayModePtr pModes = NULL;
544 DisplayModePtr pPreferred = NULL;
545 ScrnInfoPtr pScrn = output->scrn;
546 VBOXPtr pVBox = VBOXGetRec(pScrn);
547
548 TRACE_ENTRY();
549 uint32_t iScreen = (uintptr_t)output->driver_private;
550 pPreferred = vbox_output_add_mode(pVBox, &pModes, NULL,
551 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
552 RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL),
553 TRUE, FALSE);
554 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1600, FALSE, FALSE);
555 vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1440, FALSE, FALSE);
556 vbox_output_add_mode(pVBox, &pModes, NULL, 2048, 1536, FALSE, FALSE);
557 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1600, FALSE, FALSE);
558 vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1080, FALSE, FALSE);
559 vbox_output_add_mode(pVBox, &pModes, NULL, 1680, 1050, FALSE, FALSE);
560 vbox_output_add_mode(pVBox, &pModes, NULL, 1600, 1200, FALSE, FALSE);
561 vbox_output_add_mode(pVBox, &pModes, NULL, 1400, 1050, FALSE, FALSE);
562 vbox_output_add_mode(pVBox, &pModes, NULL, 1280, 1024, FALSE, FALSE);
563 vbox_output_add_mode(pVBox, &pModes, NULL, 1024, 768, FALSE, FALSE);
564 vbox_output_add_mode(pVBox, &pModes, NULL, 800, 600, FALSE, FALSE);
565 vbox_output_add_mode(pVBox, &pModes, NULL, 640, 480, FALSE, FALSE);
566 VBOXEDIDSet(output, pPreferred);
567 TRACE_EXIT();
568 return pModes;
569}
570
571static const xf86OutputFuncsRec VBOXOutputFuncs = {
572 .create_resources = vbox_output_stub,
573 .dpms = vbox_output_dpms,
574 .save = NULL, /* These two are never called by the server. */
575 .restore = NULL,
576 .mode_valid = vbox_output_mode_valid,
577 .mode_fixup = vbox_output_mode_fixup,
578 .prepare = vbox_output_stub,
579 .commit = vbox_output_stub,
580 .mode_set = vbox_output_mode_set,
581 .detect = vbox_output_detect,
582 .get_modes = vbox_output_get_modes,
583#ifdef RANDR_12_INTERFACE
584 .set_property = NULL,
585#endif
586 .destroy = vbox_output_stub
587};
588#endif /* VBOXVIDEO_13 */
589
590/* Module loader interface */
591static MODULESETUPPROTO(vboxSetup);
592
593static XF86ModuleVersionInfo vboxVersionRec =
594{
595 VBOX_DRIVER_NAME,
596 "Oracle Corporation",
597 MODINFOSTRING1,
598 MODINFOSTRING2,
599#ifdef XORG_7X
600 XORG_VERSION_CURRENT,
601#else
602 XF86_VERSION_CURRENT,
603#endif
604 1, /* Module major version. Xorg-specific */
605 0, /* Module minor version. Xorg-specific */
606 1, /* Module patchlevel. Xorg-specific */
607 ABI_CLASS_VIDEODRV, /* This is a video driver */
608 ABI_VIDEODRV_VERSION,
609 MOD_CLASS_VIDEODRV,
610 {0, 0, 0, 0}
611};
612
613/*
614 * This data is accessed by the loader. The name must be the module name
615 * followed by "ModuleData".
616 */
617#ifdef XORG_7X
618_X_EXPORT
619#endif
620XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL };
621
622static pointer
623vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
624{
625 static Bool Initialised = FALSE;
626 RT_NOREF(Options, ErrorMinor);
627
628 if (!Initialised)
629 {
630 Initialised = TRUE;
631#ifdef PCIACCESS
632 xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs);
633#else
634 xf86AddDriver(&VBOXVIDEO, Module, 0);
635#endif
636#ifndef XORG_7X
637 LoaderRefSymLists(fbSymbols,
638 shadowfbSymbols,
639 ramdacSymbols,
640 vgahwSymbols,
641 NULL);
642#endif
643 xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n",
644 (void *)&VBOXVIDEO);
645 return (pointer)TRUE;
646 }
647
648 if (ErrorMajor)
649 *ErrorMajor = LDR_ONCEONLY;
650 return (NULL);
651}
652
653
654static const OptionInfoRec *
655VBOXAvailableOptions(int chipid, int busid)
656{
657 RT_NOREF(chipid, busid);
658 return (VBOXOptions);
659}
660
661static void
662VBOXIdentify(int flags)
663{
664 RT_NOREF(flags);
665 xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
666}
667
668#ifndef XF86_SCRN_INTERFACE
669# define SCRNINDEXAPI(pfn) pfn ## Index
670static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
671{
672 RT_NOREF(scrnIndex);
673 return VBOXScreenInit(pScreen, argc, argv);
674}
675
676static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
677{ RT_NOREF(flags); return VBOXEnterVT(xf86Screens[scrnIndex]); }
678
679static void VBOXLeaveVTIndex(int scrnIndex, int flags)
680{ RT_NOREF(flags); VBOXLeaveVT(xf86Screens[scrnIndex]); }
681
682static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
683{ RT_NOREF(scrnIndex); return VBOXCloseScreen(pScreen); }
684
685static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
686{ RT_NOREF(flags); return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
687
688static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
689{ RT_NOREF(flags); VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
690
691static void VBOXFreeScreenIndex(int scrnIndex, int flags)
692{ RT_NOREF(flags); VBOXFreeScreen(xf86Screens[scrnIndex]); }
693# else
694# define SCRNINDEXAPI(pfn) pfn
695#endif /* XF86_SCRN_INTERFACE */
696
697static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe)
698{
699 pScrn->driverVersion = VBOX_VERSION;
700 pScrn->driverName = VBOX_DRIVER_NAME;
701 pScrn->name = VBOX_NAME;
702 pScrn->Probe = pfnProbe;
703 pScrn->PreInit = VBOXPreInit;
704 pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit);
705 pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode);
706 pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame);
707 pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT);
708 pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT);
709 pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen);
710}
711
712/*
713 * One of these functions is called once, at the start of the first server
714 * generation to do a minimal probe for supported hardware.
715 */
716
717#ifdef PCIACCESS
718static Bool
719VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
720 intptr_t match_data)
721{
722 ScrnInfoPtr pScrn;
723 int drmFd;
724
725 TRACE_ENTRY();
726
727 drmFd = open("/dev/dri/card0", O_RDWR, 0);
728 if (drmFd >= 0)
729 {
730 xf86Msg(X_INFO, "vboxvideo: kernel driver found, not loading.\n");
731 close(drmFd);
732 return FALSE;
733 }
734 /* It is safe to call this, as the X server enables I/O access before
735 * calling the probe call-backs. */
736 if (!xf86EnableIO())
737 {
738 xf86Msg(X_INFO, "vboxvideo: this driver requires direct hardware access. You may wish to use the kernel driver instead.\n");
739 return FALSE;
740 }
741 pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets,
742 NULL, NULL, NULL, NULL, NULL);
743 if (pScrn != NULL) {
744 VBOXPtr pVBox;
745
746 VBOXSetRec(pScrn);
747 pVBox = VBOXGetRec(pScrn);
748 if (!pVBox)
749 return FALSE;
750 setScreenFunctions(pScrn, NULL);
751 pVBox->pciInfo = dev;
752 }
753
754 TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL));
755 return (pScrn != NULL);
756}
757#endif
758
759#ifndef PCIACCESS
760static Bool
761VBOXProbe(DriverPtr drv, int flags)
762{
763 Bool foundScreen = FALSE;
764 int numDevSections;
765 GDevPtr *devSections;
766
767 /*
768 * Find the config file Device sections that match this
769 * driver, and return if there are none.
770 */
771 if ((numDevSections = xf86MatchDevice(VBOX_NAME,
772 &devSections)) <= 0)
773 return (FALSE);
774
775 /* PCI BUS */
776 if (xf86GetPciVideoInfo())
777 {
778 int numUsed;
779 int *usedChips;
780 int i;
781 numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID,
782 VBOXChipsets, VBOXPCIchipsets,
783 devSections, numDevSections,
784 drv, &usedChips);
785 if (numUsed > 0)
786 {
787 if (flags & PROBE_DETECT)
788 foundScreen = TRUE;
789 else
790 for (i = 0; i < numUsed; i++)
791 {
792 ScrnInfoPtr pScrn = NULL;
793 /* Allocate a ScrnInfoRec */
794 if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i],
795 VBOXPCIchipsets,NULL,
796 NULL,NULL,NULL,NULL)))
797 {
798 setScreenFunctions(pScrn, VBOXProbe);
799 foundScreen = TRUE;
800 }
801 }
802 free(usedChips);
803 }
804 }
805 free(devSections);
806 return (foundScreen);
807}
808#endif
809
810
811/*
812 * QUOTE from the XFree86 DESIGN document:
813 *
814 * The purpose of this function is to find out all the information
815 * required to determine if the configuration is usable, and to initialise
816 * those parts of the ScrnInfoRec that can be set once at the beginning of
817 * the first server generation.
818 *
819 * (...)
820 *
821 * This includes probing for video memory, clocks, ramdac, and all other
822 * HW info that is needed. It includes determining the depth/bpp/visual
823 * and related info. It includes validating and determining the set of
824 * video modes that will be used (and anything that is required to
825 * determine that).
826 *
827 * This information should be determined in the least intrusive way
828 * possible. The state of the HW must remain unchanged by this function.
829 * Although video memory (including MMIO) may be mapped within this
830 * function, it must be unmapped before returning.
831 *
832 * END QUOTE
833 */
834
835static Bool
836VBOXPreInit(ScrnInfoPtr pScrn, int flags)
837{
838 VBOXPtr pVBox;
839 Gamma gzeros = {0.0, 0.0, 0.0};
840 rgb rzeros = {0, 0, 0};
841
842 TRACE_ENTRY();
843 /* Are we really starting the server, or is this just a dummy run? */
844 if (flags & PROBE_DETECT)
845 return (FALSE);
846
847 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
848 "VirtualBox guest additions video driver version %d.%d\n",
849 VBOX_VERSION_MAJOR, VBOX_VERSION_MINOR);
850
851 /* The ramdac module is needed for the hardware cursor. */
852 if (!xf86LoadSubModule(pScrn, "ramdac"))
853 return FALSE;
854
855 /* The framebuffer module. */
856 if (!xf86LoadSubModule(pScrn, "fb"))
857 return (FALSE);
858
859 if (!xf86LoadSubModule(pScrn, "shadowfb"))
860 return FALSE;
861
862 if (!xf86LoadSubModule(pScrn, "vgahw"))
863 return FALSE;
864
865 /* Get our private data from the ScrnInfoRec structure. */
866 VBOXSetRec(pScrn);
867 pVBox = VBOXGetRec(pScrn);
868 if (!pVBox)
869 return FALSE;
870
871 /* Entity information seems to mean bus information. */
872 pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
873
874#ifndef PCIACCESS
875 if (pVBox->pEnt->location.type != BUS_PCI)
876 return FALSE;
877
878 pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index);
879 pVBox->pciTag = pciTag(pVBox->pciInfo->bus,
880 pVBox->pciInfo->device,
881 pVBox->pciInfo->func);
882#endif
883
884 /* Set up our ScrnInfoRec structure to describe our virtual
885 capabilities to X. */
886
887 pScrn->chipset = "vbox";
888 /** @note needed during colourmap initialisation */
889 pScrn->rgbBits = 8;
890
891 /* Let's create a nice, capable virtual monitor. */
892 pScrn->monitor = pScrn->confScreen->monitor;
893 pScrn->monitor->DDC = NULL;
894 pScrn->monitor->nHsync = 1;
895 pScrn->monitor->hsync[0].lo = 1;
896 pScrn->monitor->hsync[0].hi = 10000;
897 pScrn->monitor->nVrefresh = 1;
898 pScrn->monitor->vrefresh[0].lo = 1;
899 pScrn->monitor->vrefresh[0].hi = 100;
900
901 pScrn->progClock = TRUE;
902
903 /* Using the PCI information caused problems with non-powers-of-two
904 sized video RAM configurations */
905 pVBox->cbFBMax = VBoxVideoGetVRAMSize();
906 pScrn->videoRam = pVBox->cbFBMax / 1024;
907
908 /* Check if the chip restricts horizontal resolution or not. */
909 pVBox->fAnyX = VBoxVideoAnyWidthAllowed();
910
911 /* Set up clock information that will support all modes we need. */
912 pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1);
913 pScrn->clockRanges->minClock = 1000;
914 pScrn->clockRanges->maxClock = 1000000000;
915 pScrn->clockRanges->clockIndex = -1;
916 pScrn->clockRanges->ClockMulFactor = 1;
917 pScrn->clockRanges->ClockDivFactor = 1;
918
919 if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb))
920 return FALSE;
921 /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */
922 if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16)
923 {
924 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
925 "The VBox additions only support 16 and 32bpp graphics modes\n");
926 return FALSE;
927 }
928 xf86PrintDepthBpp(pScrn);
929 vboxAddModes(pScrn);
930
931#ifdef VBOXVIDEO_13
932 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
933 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
934#else
935 /* We don't validate with xf86ValidateModes and xf86PruneModes as we
936 * already know what we like and what we don't. */
937
938 pScrn->currentMode = pScrn->modes;
939
940 /* Set the right virtual resolution. */
941 pScrn->virtualX = pScrn->bitsPerPixel == 16 ? (pScrn->currentMode->HDisplay + 1) & ~1 : pScrn->currentMode->HDisplay;
942 pScrn->virtualY = pScrn->currentMode->VDisplay;
943
944#endif /* !VBOXVIDEO_13 */
945
946 pScrn->displayWidth = pScrn->virtualX;
947
948 xf86PrintModes(pScrn);
949
950 /* VGA hardware initialisation */
951 if (!vgaHWGetHWRec(pScrn))
952 return FALSE;
953 /* Must be called before any VGA registers are saved or restored */
954 vgaHWSetStdFuncs(VGAHWPTR(pScrn));
955 vgaHWGetIOBase(VGAHWPTR(pScrn));
956
957 /* Colour weight - we always call this, since we are always in
958 truecolour. */
959 if (!xf86SetWeight(pScrn, rzeros, rzeros))
960 return (FALSE);
961
962 /* visual init */
963 if (!xf86SetDefaultVisual(pScrn, -1))
964 return (FALSE);
965
966 xf86SetGamma(pScrn, gzeros);
967
968 /* Set the DPI. Perhaps we should read this from the host? */
969 xf86SetDpi(pScrn, 96, 96);
970
971 if (pScrn->memPhysBase == 0) {
972#ifdef PCIACCESS
973 pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr;
974#else
975 pScrn->memPhysBase = pVBox->pciInfo->memBase[0];
976#endif
977 pScrn->fbOffset = 0;
978 }
979
980 TRACE_EXIT();
981 return (TRUE);
982}
983
984/**
985 * Dummy function for setting the colour palette, which we actually never
986 * touch. However, the server still requires us to provide this.
987 */
988static void
989vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
990 LOCO *colors, VisualPtr pVisual)
991{
992 RT_NOREF(pScrn, numColors, indices, colors, pVisual);
993}
994
995/** Set the graphics and guest cursor support capabilities to the host if
996 * the user-space helper is running. */
997static void updateGraphicsCapability(ScrnInfoPtr pScrn, Bool hasVT)
998{
999 VBOXPtr pVBox = VBOXGetRec(pScrn);
1000
1001 if (!pVBox->fHaveHGSMIModeHints)
1002 return;
1003 VBoxHGSMISendCapsInfo(&pVBox->guestCtx, hasVT
1004 ? VBVACAPS_VIDEO_MODE_HINTS | VBVACAPS_DISABLE_CURSOR_INTEGRATION
1005 : VBVACAPS_DISABLE_CURSOR_INTEGRATION);
1006}
1007
1008#ifndef VBOXVIDEO_13
1009
1010#define PREFERRED_MODE_ATOM_NAME "VBOXVIDEO_PREFERRED_MODE"
1011
1012static void setSizesRandR11(ScrnInfoPtr pScrn)
1013{
1014 VBOXPtr pVBox = VBOXGetRec(pScrn);
1015 DisplayModePtr pNewMode;
1016 int32_t propertyValue;
1017
1018 pNewMode = pScrn->modes != pScrn->currentMode ? pScrn->modes : pScrn->modes->next;
1019 pNewMode->HDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1020 pNewMode->VDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1021 propertyValue = (pNewMode->HDisplay << 16) + pNewMode->VDisplay;
1022 ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(PREFERRED_MODE_ATOM_NAME,
1023 sizeof(PREFERRED_MODE_ATOM_NAME) - 1, TRUE), XA_INTEGER, 32,
1024 PropModeReplace, 1, &propertyValue, TRUE);
1025}
1026
1027#endif
1028
1029static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, Bool fScreenInitTime)
1030{
1031 RT_NOREF(fScreenInitTime);
1032 TRACE_LOG("fScreenInitTime=%d\n", (int)fScreenInitTime);
1033#ifdef VBOXVIDEO_13
1034# if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5
1035 RRGetInfo(xf86ScrnToScreen(pScrn), TRUE);
1036# else
1037 RRGetInfo(xf86ScrnToScreen(pScrn));
1038# endif
1039#else
1040 setSizesRandR11(pScrn);
1041#endif
1042 /* This calls EnableDisableFBAccess(), so only use when switched in. */
1043 if (pScrn->vtSema)
1044 vbvxReprobeCursor(pScrn);
1045}
1046
1047/* We update the size hints from the X11 property set by VBoxClient every time
1048 * that the X server goes to sleep (to catch the property change request).
1049 * Although this is far more often than necessary it should not have real-life
1050 * performance consequences and allows us to simplify the code quite a bit. */
1051static void vboxBlockHandler(pointer pData, OSTimePtr pTimeout, pointer pReadmask)
1052{
1053 ScrnInfoPtr pScrn = (ScrnInfoPtr)pData;
1054 Bool fNeedUpdate = false;
1055
1056 (void)pTimeout;
1057 (void)pReadmask;
1058 if (pScrn->vtSema)
1059 vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, &fNeedUpdate);
1060 if (fNeedUpdate)
1061 setSizesAndCursorIntegration(pScrn, false);
1062}
1063
1064/*
1065 * QUOTE from the XFree86 DESIGN document:
1066 *
1067 * This is called at the start of each server generation.
1068 *
1069 * (...)
1070 *
1071 * Decide which operations need to be placed under resource access
1072 * control. (...) Map any video memory or other memory regions. (...)
1073 * Save the video card state. (...) Initialise the initial video
1074 * mode.
1075 *
1076 * End QUOTE.
1077 */
1078static Bool VBOXScreenInit(ScreenPtr pScreen, int argc, char **argv)
1079{
1080 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1081 VBOXPtr pVBox = VBOXGetRec(pScrn);
1082 VisualPtr visual;
1083 RT_NOREF(argc, argv);
1084
1085 TRACE_ENTRY();
1086
1087 /* Initialise our guest library if possible: ignore failure. */
1088 VbglR3Init();
1089 if (!VBOXMapVidMem(pScrn))
1090 return (FALSE);
1091
1092 /* save current video state */
1093 VBOXSaveMode(pScrn);
1094
1095 /* mi layer - reset the visual list (?)*/
1096 miClearVisualTypes();
1097 if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
1098 pScrn->rgbBits, TrueColor))
1099 return (FALSE);
1100 if (!miSetPixmapDepths())
1101 return (FALSE);
1102
1103 if (!fbScreenInit(pScreen, pVBox->base,
1104 pScrn->virtualX, pScrn->virtualY,
1105 pScrn->xDpi, pScrn->yDpi,
1106 pScrn->displayWidth, pScrn->bitsPerPixel))
1107 return (FALSE);
1108
1109 /* Fixup RGB ordering */
1110 /** @note the X server uses this even in true colour. */
1111 visual = pScreen->visuals + pScreen->numVisuals;
1112 while (--visual >= pScreen->visuals) {
1113 if ((visual->class | DynamicClass) == DirectColor) {
1114 visual->offsetRed = pScrn->offset.red;
1115 visual->offsetGreen = pScrn->offset.green;
1116 visual->offsetBlue = pScrn->offset.blue;
1117 visual->redMask = pScrn->mask.red;
1118 visual->greenMask = pScrn->mask.green;
1119 visual->blueMask = pScrn->mask.blue;
1120 }
1121 }
1122
1123 /* must be after RGB ordering fixed */
1124 fbPictureInit(pScreen, 0, 0);
1125
1126 xf86SetBlackWhitePixels(pScreen);
1127 pScrn->vtSema = TRUE;
1128
1129#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1130 vbvxSetUpLinuxACPI(pScreen);
1131#endif
1132
1133 if (!VBoxHGSMIIsSupported())
1134 {
1135 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Graphics device too old to support.\n");
1136 return FALSE;
1137 }
1138 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1139 pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx);
1140 pVBox->pScreens = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->pScreens));
1141 pVBox->paVBVAModeHints = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->paVBVAModeHints));
1142 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n", pVBox->cScreens);
1143 vboxEnableVbva(pScrn);
1144 /* Set up the dirty rectangle handler. It will be added into a function
1145 * chain and gets removed when the screen is cleaned up. */
1146 if (ShadowFBInit2(pScreen, NULL, vbvxHandleDirtyRect) != TRUE)
1147 return FALSE;
1148 VBoxInitialiseSizeHints(pScrn);
1149
1150#ifdef VBOXVIDEO_13
1151 /* Initialise CRTC and output configuration for use with randr1.2. */
1152 xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs);
1153
1154 {
1155 uint32_t i;
1156
1157 for (i = 0; i < pVBox->cScreens; ++i)
1158 {
1159 char szOutput[256];
1160
1161 /* Setup our virtual CRTCs. */
1162 pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs);
1163 pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i;
1164
1165 /* Set up our virtual outputs. */
1166 snprintf(szOutput, sizeof(szOutput), "VGA-%u", i);
1167 pVBox->pScreens[i].paOutputs
1168 = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput);
1169
1170 /* We are not interested in the monitor section in the
1171 * configuration file. */
1172 xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE);
1173 pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i;
1174 pVBox->pScreens[i].paOutputs->possible_clones = 0;
1175 pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i;
1176 TRACE_LOG("Created crtc (%p) and output %s (%p)\n",
1177 (void *)pVBox->pScreens[i].paCrtcs, szOutput,
1178 (void *)pVBox->pScreens[i].paOutputs);
1179 }
1180 }
1181
1182 /* Set a sane minimum and maximum mode size to match what the hardware
1183 * supports. */
1184 xf86CrtcSetSizeRange(pScrn, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL, VBOX_VIDEO_MAX_VIRTUAL);
1185
1186 /* Now create our initial CRTC/output configuration. */
1187 if (!xf86InitialConfiguration(pScrn, TRUE)) {
1188 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n");
1189 return (FALSE);
1190 }
1191
1192 /* Work around a bug in the original X server modesetting code, which took
1193 * the first valid values set to these two as maxima over the server
1194 * lifetime. This bug was introduced on Feb 15 2007 and was fixed in commit
1195 * fa877d7f three months later, so it was present in X.Org Server 1.3. */
1196 pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL;
1197 pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL;
1198
1199 /* Initialise randr 1.2 mode-setting functions. */
1200 if (!xf86CrtcScreenInit(pScreen)) {
1201 return FALSE;
1202 }
1203
1204 /* set first video mode */
1205 if (!xf86SetDesiredModes(pScrn)) {
1206 return FALSE;
1207 }
1208#else /* !VBOXVIDEO_13 */
1209 /* set first video mode */
1210 setModeRandR11(pScrn, pScrn->currentMode, true, false, 0, 0);
1211#endif /* !VBOXVIDEO_13 */
1212
1213 /* Say that we support graphics. */
1214 updateGraphicsCapability(pScrn, TRUE);
1215
1216 /* Register block and wake-up handlers for getting new screen size hints. */
1217 RegisterBlockAndWakeupHandlers(vboxBlockHandler, (WakeupHandlerProcPtr)NoopDDA, (pointer)pScrn);
1218
1219 /* software cursor */
1220 miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
1221
1222 /* colourmap code */
1223 if (!miCreateDefColormap(pScreen))
1224 return (FALSE);
1225
1226 if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0))
1227 return (FALSE);
1228
1229 pVBox->CloseScreen = pScreen->CloseScreen;
1230 pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen);
1231#ifdef VBOXVIDEO_13
1232 pScreen->SaveScreen = xf86SaveScreen;
1233#else
1234 pScreen->SaveScreen = VBOXSaveScreen;
1235#endif
1236
1237#ifdef VBOXVIDEO_13
1238 xf86DPMSInit(pScreen, xf86DPMSSet, 0);
1239#else
1240 /* We probably do want to support power management - even if we just use
1241 a dummy function. */
1242 xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0);
1243#endif
1244
1245 /* Report any unused options (only for the first generation) */
1246 if (serverGeneration == 1)
1247 xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
1248
1249 if (vbvxCursorInit(pScreen) != TRUE)
1250 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1251 "Unable to start the VirtualBox mouse pointer integration with the host system.\n");
1252
1253 return (TRUE);
1254}
1255
1256#define NO_VT_ATOM_NAME "VBOXVIDEO_NO_VT"
1257
1258static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
1259{
1260 VBOXPtr pVBox = VBOXGetRec(pScrn);
1261#ifndef VBOXVIDEO_13
1262 /* If we got a mode request while we were switched out, temporarily override
1263 * the physical mode set to the device while keeping things consistent from
1264 * the server's point of view. */
1265 int cXOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1266 int cYOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL);
1267#endif
1268
1269 TRACE_ENTRY();
1270 vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024);
1271 vboxEnableVbva(pScrn);
1272 /* Re-set video mode */
1273#ifdef VBOXVIDEO_13
1274 if (!xf86SetDesiredModes(pScrn)) {
1275 return FALSE;
1276 }
1277#else
1278 setModeRandR11(pScrn, pScrn->currentMode, false, true, cXOverRide, cYOverRide);
1279 DeleteProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, TRUE));
1280#endif
1281 updateGraphicsCapability(pScrn, TRUE);
1282 return TRUE;
1283}
1284
1285static void VBOXLeaveVT(ScrnInfoPtr pScrn)
1286{
1287#ifdef VBOXVIDEO_13
1288 VBOXPtr pVBox = VBOXGetRec(pScrn);
1289 unsigned i;
1290#else
1291 int32_t propertyValue = 0;
1292#endif
1293
1294 TRACE_ENTRY();
1295#ifdef VBOXVIDEO_13
1296 for (i = 0; i < pVBox->cScreens; ++i)
1297 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1298#else
1299 ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, FALSE), XA_INTEGER, 32,
1300 PropModeReplace, 1, &propertyValue, TRUE);
1301#endif
1302 updateGraphicsCapability(pScrn, FALSE);
1303 vboxDisableVbva(pScrn);
1304 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1305 VBOXRestoreMode(pScrn);
1306 TRACE_EXIT();
1307}
1308
1309static Bool VBOXCloseScreen(ScreenPtr pScreen)
1310{
1311 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
1312 VBOXPtr pVBox = VBOXGetRec(pScrn);
1313 BOOL ret;
1314
1315 if (pScrn->vtSema)
1316 {
1317#ifdef VBOXVIDEO_13
1318 unsigned i;
1319
1320 for (i = 0; i < pVBox->cScreens; ++i)
1321 vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff);
1322#endif
1323 vboxDisableVbva(pScrn);
1324 vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0);
1325 }
1326 if (pScrn->vtSema)
1327 VBOXRestoreMode(pScrn);
1328 if (pScrn->vtSema)
1329 VBOXUnmapVidMem(pScrn);
1330 pScrn->vtSema = FALSE;
1331
1332 vbvxCursorTerm(pVBox);
1333
1334 pScreen->CloseScreen = pVBox->CloseScreen;
1335#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
1336 vbvxCleanUpLinuxACPI(pScreen);
1337#endif
1338#ifndef XF86_SCRN_INTERFACE
1339 ret = pScreen->CloseScreen(pScreen->myNum, pScreen);
1340#else
1341 ret = pScreen->CloseScreen(pScreen);
1342#endif
1343 VbglR3Term();
1344 return ret;
1345}
1346
1347static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
1348{
1349 Bool rc = TRUE;
1350
1351 TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
1352#ifdef VBOXVIDEO_13
1353 rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
1354#else
1355 setModeRandR11(pScrn, pMode, false, false, 0, 0);
1356#endif
1357 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1358 return rc;
1359}
1360
1361static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
1362{ RT_NOREF(pScrn, x, y); }
1363
1364static void VBOXFreeScreen(ScrnInfoPtr pScrn)
1365{
1366 /* Destroy the VGA hardware record */
1367 vgaHWFreeHWRec(pScrn);
1368 /* And our private record */
1369 free(pScrn->driverPrivate);
1370 pScrn->driverPrivate = NULL;
1371}
1372
1373static Bool
1374VBOXMapVidMem(ScrnInfoPtr pScrn)
1375{
1376 VBOXPtr pVBox = VBOXGetRec(pScrn);
1377 Bool rc = TRUE;
1378
1379 TRACE_ENTRY();
1380 if (!pVBox->base)
1381 {
1382#ifdef PCIACCESS
1383 (void) pci_device_map_range(pVBox->pciInfo,
1384 pScrn->memPhysBase,
1385 pScrn->videoRam * 1024,
1386 PCI_DEV_MAP_FLAG_WRITABLE,
1387 & pVBox->base);
1388#else
1389 pVBox->base = xf86MapPciMem(pScrn->scrnIndex,
1390 VIDMEM_FRAMEBUFFER,
1391 pVBox->pciTag, pScrn->memPhysBase,
1392 (unsigned) pScrn->videoRam * 1024);
1393#endif
1394 if (!pVBox->base)
1395 rc = FALSE;
1396 }
1397 TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
1398 return rc;
1399}
1400
1401static void
1402VBOXUnmapVidMem(ScrnInfoPtr pScrn)
1403{
1404 VBOXPtr pVBox = VBOXGetRec(pScrn);
1405
1406 TRACE_ENTRY();
1407 if (pVBox->base == NULL)
1408 return;
1409
1410#ifdef PCIACCESS
1411 (void) pci_device_unmap_range(pVBox->pciInfo,
1412 pVBox->base,
1413 pScrn->videoRam * 1024);
1414#else
1415 xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base,
1416 (unsigned) pScrn->videoRam * 1024);
1417#endif
1418 pVBox->base = NULL;
1419 TRACE_EXIT();
1420}
1421
1422#ifndef VBOXVIDEO_13
1423static Bool
1424VBOXSaveScreen(ScreenPtr pScreen, int mode)
1425{
1426 RT_NOREF(pScreen, mode);
1427 return TRUE;
1428}
1429#endif
1430
1431void
1432VBOXSaveMode(ScrnInfoPtr pScrn)
1433{
1434 VBOXPtr pVBox = VBOXGetRec(pScrn);
1435 vgaRegPtr vgaReg;
1436
1437 TRACE_ENTRY();
1438 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1439 vgaHWSave(pScrn, vgaReg, VGA_SR_ALL);
1440 pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth,
1441 &pVBox->cSavedHeight,
1442 &pVBox->cSavedPitch,
1443 &pVBox->cSavedBPP,
1444 &pVBox->fSavedFlags);
1445}
1446
1447void
1448VBOXRestoreMode(ScrnInfoPtr pScrn)
1449{
1450 VBOXPtr pVBox = VBOXGetRec(pScrn);
1451 vgaRegPtr vgaReg;
1452
1453 TRACE_ENTRY();
1454 vgaReg = &VGAHWPTR(pScrn)->SavedReg;
1455 vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL);
1456 if (pVBox->fSavedVBEMode)
1457 VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight,
1458 pVBox->cSavedPitch, pVBox->cSavedBPP,
1459 pVBox->fSavedFlags, 0, 0);
1460 else
1461 VBoxVideoDisableVBE();
1462}
1463
1464#ifndef VBOXVIDEO_13
1465static void
1466VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags)
1467{
1468 RT_NOREF(pScrn, mode, flags);
1469}
1470#endif
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