/** @file * * Linux Additions X11 graphics driver */ /* * Copyright (C) 2006-2007 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * -------------------------------------------------------------------- * * This code is based on: * * X11 VESA driver * * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com) * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * CONECTIVA LINUX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Except as contained in this notice, the name of Conectiva Linux shall * not be used in advertising or otherwise to promote the sale, use or other * dealings in this Software without prior written authorization from * Conectiva Linux. * * Authors: Paulo César Pereira de Andrade */ #ifdef XORG_7X # include "xorg-server.h" # include #endif #include "vboxvideo.h" #include "version-generated.h" #include "product-generated.h" #include /* All drivers initialising the SW cursor need this */ #include "mipointer.h" /* All drivers implementing backing store need this */ #include "mibstore.h" /* Colormap handling */ #include "micmap.h" #include "xf86cmap.h" /* DPMS */ /* #define DPMS_SERVER #include "extensions/dpms.h" */ /* VGA hardware functions for setting and restoring text mode */ #include "vgaHW.h" /* Mandatory functions */ static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid); static void VBOXIdentify(int flags); #ifndef PCIACCESS static Bool VBOXProbe(DriverPtr drv, int flags); #else static Bool VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev, intptr_t match_data); #endif static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags); static Bool VBOXScreenInit(int Index, ScreenPtr pScreen, int argc, char **argv); static Bool VBOXEnterVT(int scrnIndex, int flags); static void VBOXLeaveVT(int scrnIndex, int flags); static Bool VBOXCloseScreen(int scrnIndex, ScreenPtr pScreen); static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode); static Bool VBOXSwitchMode(int scrnIndex, DisplayModePtr pMode, int flags); static Bool VBOXSetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode); static void VBOXAdjustFrame(int scrnIndex, int x, int y, int flags); static void VBOXFreeScreen(int scrnIndex, int flags); static void VBOXFreeRec(ScrnInfoPtr pScrn); static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags); /* locally used functions */ static Bool VBOXMapVidMem(ScrnInfoPtr pScrn); static void VBOXUnmapVidMem(ScrnInfoPtr pScrn); static Bool VBOXSaveRestore(ScrnInfoPtr pScrn, vbeSaveRestoreFunction function); static bool VBOXAdjustScreenPixmap(ScrnInfoPtr pScrn, DisplayModePtr pMode); enum GenericTypes { CHIP_VBOX_GENERIC }; #ifdef PCIACCESS static const struct pci_id_match vbox_device_match[] = { { VBOX_VENDORID, VBOX_DEVICEID, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0 }, { 0, 0, 0 }, }; #endif /* * This contains the functions needed by the server after loading the * driver module. It must be supplied, and gets added the driver list by * the Module Setup funtion in the dynamic case. In the static case a * reference to this is compiled in, and this requires that the name of * this DriverRec be an upper-case version of the driver name. */ #ifdef XORG_7X _X_EXPORT #endif DriverRec VBOXVIDEO = { VBOX_VERSION, VBOX_DRIVER_NAME, VBOXIdentify, #ifdef PCIACCESS NULL, #else VBOXProbe, #endif VBOXAvailableOptions, NULL, 0, #ifdef XORG_7X NULL, #endif #ifdef PCIACCESS vbox_device_match, VBOXPciProbe #endif }; /* Supported chipsets */ static SymTabRec VBOXChipsets[] = { {VBOX_VESA_DEVICEID, "vbox"}, {-1, NULL} }; static PciChipsets VBOXPCIchipsets[] = { { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA }, { -1, -1, RES_UNDEFINED }, }; typedef enum { OPTION_SHADOW_FB, OPTION_DFLT_REFRESH, OPTION_MODESET_CLEAR_SCREEN } VBOXOpts; /* No options for now */ static const OptionInfoRec VBOXOptions[] = { { -1, NULL, OPTV_NONE, {0}, FALSE } }; /* * List of symbols from other modules that this module references. This * list is used to tell the loader that it is OK for symbols here to be * unresolved providing that it hasn't been told that they haven't been * told that they are essential via a call to xf86LoaderReqSymbols() or * xf86LoaderReqSymLists(). The purpose is this is to avoid warnings about * unresolved symbols that are not required. */ static const char *fbSymbols[] = { "fbPictureInit", "fbScreenInit", NULL }; static const char *shadowfbSymbols[] = { "ShadowFBInit2", NULL }; static const char *vbeSymbols[] = { "VBEExtendedInit", "VBEFindSupportedDepths", "VBEGetModeInfo", "VBEGetVBEInfo", "VBEGetVBEMode", "VBEPrintModes", "VBESaveRestore", "VBESetDisplayStart", "VBESetGetDACPaletteFormat", "VBESetGetLogicalScanlineLength", "VBESetGetPaletteData", "VBESetModeNames", "VBESetModeParameters", "VBESetVBEMode", "VBEValidateModes", "vbeDoEDID", "vbeFree", NULL }; static const char *ramdacSymbols[] = { "xf86InitCursor", "xf86CreateCursorInfoRec", NULL }; static const char *vgahwSymbols[] = { "vgaHWGetHWRec", "vgaHWHandleColormaps", "vgaHWFreeHWRec", "vgaHWMapMem", "vgaHWUnmapMem", "vgaHWSaveFonts", "vgaHWRestoreFonts", "vgaHWGetIndex", "vgaHWSaveScreen", "vgaHWDPMSSet", NULL }; #ifdef XFree86LOADER /* Module loader interface */ static MODULESETUPPROTO(vboxSetup); static XF86ModuleVersionInfo vboxVersionRec = { VBOX_DRIVER_NAME, VBOX_VENDOR, MODINFOSTRING1, MODINFOSTRING2, #ifdef XORG_7X XORG_VERSION_CURRENT, #else XF86_VERSION_CURRENT, #endif 1, /* Module major version. Xorg-specific */ 0, /* Module minor version. Xorg-specific */ 1, /* Module patchlevel. Xorg-specific */ ABI_CLASS_VIDEODRV, /* This is a video driver */ ABI_VIDEODRV_VERSION, MOD_CLASS_VIDEODRV, {0, 0, 0, 0} }; /* * This data is accessed by the loader. The name must be the module name * followed by "ModuleData". */ #ifdef XORG_7X _X_EXPORT #endif XF86ModuleData vboxvideoModuleData = { &vboxVersionRec, vboxSetup, NULL }; static pointer vboxSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor) { static Bool Initialised = FALSE; if (!Initialised) { Initialised = TRUE; #ifdef PCIACCESS xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs); #else xf86AddDriver(&VBOXVIDEO, Module, 0); #endif #ifndef XORG_7X LoaderRefSymLists(fbSymbols, shadowfbSymbols, vbeSymbols, ramdacSymbols, vgahwSymbols, NULL); #endif xf86Msg(X_CONFIG, "Load address of symbol \"VBOXVIDEO\" is %p\n", (void *)&VBOXVIDEO); return (pointer)TRUE; } if (ErrorMajor) *ErrorMajor = LDR_ONCEONLY; return (NULL); } #endif /* XFree86Loader defined */ static const OptionInfoRec * VBOXAvailableOptions(int chipid, int busid) { return (VBOXOptions); } static void VBOXIdentify(int flags) { xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets); } static VBOXPtr VBOXGetRec(ScrnInfoPtr pScrn) { if (!pScrn->driverPrivate) { pScrn->driverPrivate = xcalloc(sizeof(VBOXRec), 1); #if 0 ((VBOXPtr)pScrn->driverPrivate)->vbox_fd = -1; #endif } return ((VBOXPtr)pScrn->driverPrivate); } static void VBOXFreeRec(ScrnInfoPtr pScrn) { VBOXPtr pVBox = VBOXGetRec(pScrn); xfree(pVBox->savedPal); xfree(pVBox->fonts); xfree(pScrn->driverPrivate); pScrn->driverPrivate = NULL; } /* * This function is called once, at the start of the first server generation to * do a minimal probe for supported hardware. */ #ifdef PCIACCESS static Bool VBOXPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev, intptr_t match_data) { ScrnInfoPtr pScrn; TRACE_ENTRY(); pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets, NULL, NULL, NULL, NULL, NULL); if (pScrn != NULL) { VBOXPtr pVBox = VBOXGetRec(pScrn); pScrn->driverVersion = VBOX_VERSION; pScrn->driverName = VBOX_DRIVER_NAME; pScrn->name = VBOX_NAME; pScrn->Probe = NULL; pScrn->PreInit = VBOXPreInit; pScrn->ScreenInit = VBOXScreenInit; pScrn->SwitchMode = VBOXSwitchMode; /* pScrn->ValidMode = VBOXValidMode; */ pScrn->AdjustFrame = VBOXAdjustFrame; pScrn->EnterVT = VBOXEnterVT; pScrn->LeaveVT = VBOXLeaveVT; pScrn->FreeScreen = VBOXFreeScreen; pVBox->pciInfo = dev; } TRACE_LOG("returning %s\n", BOOL_STR(pScrn != NULL)); return (pScrn != NULL); } #else /* !PCIACCESS */ static Bool VBOXProbe(DriverPtr drv, int flags) { Bool foundScreen = FALSE; int numDevSections, numUsed; GDevPtr *devSections; int *usedChips; int i; /* * Find the config file Device sections that match this * driver, and return if there are none. */ if ((numDevSections = xf86MatchDevice(VBOX_NAME, &devSections)) <= 0) return (FALSE); /* PCI BUS */ if (xf86GetPciVideoInfo()) { numUsed = xf86MatchPciInstances(VBOX_NAME, VBOX_VENDORID, VBOXChipsets, VBOXPCIchipsets, devSections, numDevSections, drv, &usedChips); if (numUsed > 0) { if (flags & PROBE_DETECT) foundScreen = TRUE; else { for (i = 0; i < numUsed; i++) { ScrnInfoPtr pScrn = NULL; /* Allocate a ScrnInfoRec */ if ((pScrn = xf86ConfigPciEntity(pScrn,0,usedChips[i], VBOXPCIchipsets,NULL, NULL,NULL,NULL,NULL))) { pScrn->driverVersion = VBOX_VERSION; pScrn->driverName = VBOX_DRIVER_NAME; pScrn->name = VBOX_NAME; pScrn->Probe = VBOXProbe; pScrn->PreInit = VBOXPreInit; pScrn->ScreenInit = VBOXScreenInit; pScrn->SwitchMode = VBOXSwitchMode; pScrn->AdjustFrame = VBOXAdjustFrame; pScrn->EnterVT = VBOXEnterVT; pScrn->LeaveVT = VBOXLeaveVT; pScrn->FreeScreen = VBOXFreeScreen; foundScreen = TRUE; } } } xfree(usedChips); } } xfree(devSections); return (foundScreen); } #endif /* !PCIACCESS */ /** * This function hooks into the chain that is called when framebuffer access * is allowed or disallowed by a call to EnableDisableFBAccess in the server. * In other words, it observes when the server wishes access to the * framebuffer to be enabled and when it should be disabled. We need to know * this because we disable access ourselves during mode switches (presumably * the server should do this but it doesn't) and want to know whether to * restore it or not afterwards. */ static void vboxEnableDisableFBAccess(int scrnIndex, Bool enable) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; VBOXPtr pVBox = VBOXGetRec(pScrn); pVBox->accessEnabled = enable; pVBox->EnableDisableFBAccess(scrnIndex, enable); } /* * QUOTE from the XFree86 DESIGN document: * * The purpose of this function is to find out all the information * required to determine if the configuration is usable, and to initialise * those parts of the ScrnInfoRec that can be set once at the beginning of * the first server generation. * * (...) * * This includes probing for video memory, clocks, ramdac, and all other * HW info that is needed. It includes determining the depth/bpp/visual * and related info. It includes validating and determining the set of * video modes that will be used (and anything that is required to * determine that). * * This information should be determined in the least intrusive way * possible. The state of the HW must remain unchanged by this function. * Although video memory (including MMIO) may be mapped within this * function, it must be unmapped before returning. * * END QUOTE */ static Bool VBOXPreInit(ScrnInfoPtr pScrn, int flags) { VBOXPtr pVBox; Gamma gzeros = {0.0, 0.0, 0.0}; rgb rzeros = {0, 0, 0}; int i; DisplayModePtr pMode; enum { MODE_MIN_SIZE = 64 }; TRACE_ENTRY(); /* Are we really starting the server, or is this just a dummy run? */ if (flags & PROBE_DETECT) return (FALSE); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "VirtualBox guest additions video driver version " VBOX_VERSION_STRING "\n"); /* Get our private data from the ScrnInfoRec structure. */ pVBox = VBOXGetRec(pScrn); /* Initialise the guest library */ vbox_init(pScrn->scrnIndex, pVBox); /* Entity information seems to mean bus information. */ pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]); /* The ramdac module is needed for the hardware cursor. */ if (!xf86LoadSubModule(pScrn, "ramdac")) return FALSE; /* We need the vbe module because we use VBE code to save and restore text mode, in order to keep our code simple. */ if (!xf86LoadSubModule(pScrn, "vbe")) return (FALSE); /* The framebuffer module. */ if (xf86LoadSubModule(pScrn, "fb") == NULL) return (FALSE); if (!xf86LoadSubModule(pScrn, "shadowfb")) return FALSE; if (!xf86LoadSubModule(pScrn, "vgahw")) return FALSE; #ifdef VBOX_DRI /* Load the dri module. */ if (!xf86LoadSubModule(pScrn, "dri")) return FALSE; #endif #ifndef PCIACCESS if (pVBox->pEnt->location.type != BUS_PCI) return FALSE; pVBox->pciInfo = xf86GetPciInfoForEntity(pVBox->pEnt->index); pVBox->pciTag = pciTag(pVBox->pciInfo->bus, pVBox->pciInfo->device, pVBox->pciInfo->func); #endif /* Set up our ScrnInfoRec structure to describe our virtual capabilities to X. */ pScrn->rgbBits = 8; /* Let's create a nice, capable virtual monitor. */ pScrn->monitor = pScrn->confScreen->monitor; pScrn->monitor->DDC = NULL; pScrn->monitor->nHsync = 1; pScrn->monitor->hsync[0].lo = 1; pScrn->monitor->hsync[0].hi = 10000; pScrn->monitor->nVrefresh = 1; pScrn->monitor->vrefresh[0].lo = 1; pScrn->monitor->vrefresh[0].hi = 100; pScrn->chipset = "vbox"; pScrn->progClock = TRUE; /* Determine the size of the VBox video RAM from PCI data*/ #if 0 pScrn->videoRam = 1 << pVBox->pciInfo->size[0]; #endif /* Using the PCI information caused problems with non-powers-of-two sized video RAM configurations */ pScrn->videoRam = inl(VBE_DISPI_IOPORT_DATA) / 1024; /* Set up clock information that will support all modes we need. */ pScrn->clockRanges = xnfcalloc(sizeof(ClockRange), 1); pScrn->clockRanges->minClock = 1000; pScrn->clockRanges->maxClock = 1000000000; pScrn->clockRanges->clockIndex = -1; pScrn->clockRanges->ClockMulFactor = 1; pScrn->clockRanges->ClockDivFactor = 1; /* Determine the preferred size and colour depth and setup video modes */ { uint32_t cx = 0, cy = 0, cBits = 0; vboxGetPreferredMode(pScrn, &cx, &cy, &cBits); /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */ if (cBits != 16) cBits = 24; if (!xf86SetDepthBpp(pScrn, cBits, 0, 0, Support32bppFb)) return FALSE; vboxAddModes(pScrn, cx, cy); } if (pScrn->bitsPerPixel != 32 && pScrn->bitsPerPixel != 16) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "The VBox additions only support 16 and 32bpp graphics modes\n"); return FALSE; } xf86PrintDepthBpp(pScrn); /* Colour weight - we always call this, since we are always in truecolour. */ if (!xf86SetWeight(pScrn, rzeros, rzeros)) return (FALSE); /* visual init */ if (!xf86SetDefaultVisual(pScrn, -1)) return (FALSE); xf86SetGamma(pScrn, gzeros); /* We don't validate with xf86ValidateModes and xf86PruneModes as we * already know what we like and what we don't. */ pScrn->currentMode = pScrn->modes; /* Set the right virtual resolution. */ pScrn->virtualX = pScrn->currentMode->HDisplay; pScrn->virtualY = pScrn->currentMode->VDisplay; pScrn->displayWidth = pScrn->virtualX; xf86PrintModes(pScrn); /* Set the DPI. Perhaps we should read this from the host? */ xf86SetDpi(pScrn, 96, 96); /* options */ xf86CollectOptions(pScrn, NULL); if (!(pVBox->Options = xalloc(sizeof(VBOXOptions)))) return FALSE; memcpy(pVBox->Options, VBOXOptions, sizeof(VBOXOptions)); xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pVBox->Options); /* Framebuffer-related setup */ pScrn->bitmapBitOrder = BITMAP_BIT_ORDER; /* VGA hardware initialisation */ if (!vgaHWGetHWRec(pScrn)) return FALSE; TRACE_EXIT(); return (TRUE); } /* * QUOTE from the XFree86 DESIGN document: * * This is called at the start of each server generation. * * (...) * * Decide which operations need to be placed under resource access * control. (...) Map any video memory or other memory regions. (...) * Save the video card state. (...) Initialise the initial video * mode. * * End QUOTE. */ static Bool VBOXScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; VBOXPtr pVBox = VBOXGetRec(pScrn); VisualPtr visual; unsigned flags; TRACE_ENTRY(); /* We make use of the X11 VBE code to save and restore text mode, in order to keep our code simple. */ if ((pVBox->pVbe = VBEExtendedInit(NULL, pVBox->pEnt->index, SET_BIOS_SCRATCH | RESTORE_BIOS_SCRATCH)) == NULL) return (FALSE); if (pScrn->memPhysBase == 0) { #ifdef PCIACCESS pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr; #else pScrn->memPhysBase = pVBox->pciInfo->memBase[0]; #endif /* pVBox->mapSize = 1 << pVBox->pciInfo->size[0]; */ /* Using the PCI information caused problems with non-powers-of-two sized video RAM configurations */ pVBox->mapSize = inl(VBE_DISPI_IOPORT_DATA); pScrn->fbOffset = 0; } if (!VBOXMapVidMem(pScrn)) return (FALSE); /* save current video state */ VBOXSaveRestore(pScrn, MODE_SAVE); pVBox->savedPal = VBESetGetPaletteData(pVBox->pVbe, FALSE, 0, 256, NULL, FALSE, FALSE); /* set the viewport */ VBOXAdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0); /* Blank the screen for aesthetic reasons. */ VBOXSaveScreen(pScreen, SCREEN_SAVER_ON); /* mi layer - reset the visual list (?)*/ miClearVisualTypes(); if (!xf86SetDefaultVisual(pScrn, -1)) return (FALSE); if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, TrueColor)) return (FALSE); if (!miSetPixmapDepths()) return (FALSE); /* Needed before we initialise DRI. */ pScrn->virtualX = (pScrn->virtualX + 7) & ~7; pScrn->displayWidth = pScrn->virtualX; #ifdef VBOX_DRI pVBox->useDRI = VBOXDRIScreenInit(scrnIndex, pScreen, pVBox); #endif /* I checked in the sources, and XFree86 4.2 does seem to support this function for 32bpp. */ if (!fbScreenInit(pScreen, pVBox->base, pScrn->virtualX, pScrn->virtualY, pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth, pScrn->bitsPerPixel)) return (FALSE); /* Fixup RGB ordering */ visual = pScreen->visuals + pScreen->numVisuals; while (--visual >= pScreen->visuals) { if ((visual->class | DynamicClass) == DirectColor) { visual->offsetRed = pScrn->offset.red; visual->offsetGreen = pScrn->offset.green; visual->offsetBlue = pScrn->offset.blue; visual->redMask = pScrn->mask.red; visual->greenMask = pScrn->mask.green; visual->blueMask = pScrn->mask.blue; } } /* must be after RGB ordering fixed */ fbPictureInit(pScreen, 0, 0); xf86SetBlackWhitePixels(pScreen); miInitializeBackingStore(pScreen); xf86SetBackingStore(pScreen); /* We need to keep track of whether we are currently switched to a virtual * terminal to know whether a mode set operation is currently safe to do. */ pVBox->vtSwitch = FALSE; /* software cursor */ miDCInitialize(pScreen, xf86GetPointerScreenFuncs()); /* colourmap code - apparently, we need this even in Truecolour */ if (!miCreateDefColormap(pScreen)) return (FALSE); flags = CMAP_RELOAD_ON_MODE_SWITCH; if(!vgaHWHandleColormaps(pScreen)) return (FALSE); /* Hook our observer function ito the chain which is called when * framebuffer access is enabled or disabled in the server, and * assume an initial state of enabled. */ pVBox->accessEnabled = TRUE; pVBox->EnableDisableFBAccess = pScrn->EnableDisableFBAccess; pScrn->EnableDisableFBAccess = vboxEnableDisableFBAccess; pVBox->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = VBOXCloseScreen; pScreen->SaveScreen = VBOXSaveScreen; xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0); /* Report any unused options (only for the first generation) */ if (serverGeneration == 1) xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); /* set first video mode */ if (!VBOXSetMode(pScrn, pScrn->currentMode)) return FALSE; /* And make sure that a non-current dynamic mode is at the front of the * list */ vboxWriteHostModes(pScrn, pScrn->currentMode); if (vbox_open (pScrn, pScreen, pVBox)) { if (vbox_cursor_init(pScreen) != TRUE) xf86DrvMsg(scrnIndex, X_ERROR, "Unable to start the VirtualBox mouse pointer integration with the host system.\n"); if (vboxEnableVbva(pScrn) == TRUE) xf86DrvMsg(scrnIndex, X_INFO, "The VBox video extensions are now enabled.\n"); vboxEnableGraphicsCap(pVBox); } #ifdef VBOX_DRI if (pVBox->useDRI) pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen); #endif TRACE_EXIT(); return (TRUE); } static Bool VBOXEnterVT(int scrnIndex, int flags) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; VBOXPtr pVBox = VBOXGetRec(pScrn); TRACE_ENTRY(); pVBox->vtSwitch = FALSE; #ifdef VBOX_DRI if (pVBox->useDRI) DRIUnlock(screenInfo.screens[scrnIndex]); #endif if (!VBOXSetMode(pScrn, pScrn->currentMode)) return FALSE; VBOXAdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0); if (pVBox->useVbva == TRUE) vboxEnableVbva(pScrn); return TRUE; } static void VBOXLeaveVT(int scrnIndex, int flags) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; VBOXPtr pVBox = VBOXGetRec(pScrn); TRACE_ENTRY(); VBOXSaveRestore(pScrn, MODE_RESTORE); if (pVBox->useVbva == TRUE) vboxDisableVbva(pScrn); vboxDisableGraphicsCap(pVBox); pVBox->vtSwitch = TRUE; #ifdef VBOX_DRI if (pVBox->useDRI) DRILock(screenInfo.screens[scrnIndex], 0); #endif } static Bool VBOXCloseScreen(int scrnIndex, ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; VBOXPtr pVBox = VBOXGetRec(pScrn); #ifdef VBOX_DRI if (pVBox->useDRI) VBOXDRICloseScreen(pScreen, pVBox); pVBox->useDRI = false; #endif if (pVBox->useVbva == TRUE) vboxDisableVbva(pScrn); vboxDisableGraphicsCap(pVBox); if (pScrn->vtSema) { VBOXSaveRestore(xf86Screens[scrnIndex], MODE_RESTORE); if (pVBox->savedPal) VBESetGetPaletteData(pVBox->pVbe, TRUE, 0, 256, pVBox->savedPal, FALSE, TRUE); VBOXUnmapVidMem(pScrn); } pScrn->vtSema = FALSE; /* Destroy the VGA hardware record */ vgaHWFreeHWRec(pScrn); pScreen->CloseScreen = pVBox->CloseScreen; return pScreen->CloseScreen(scrnIndex, pScreen); } static Bool VBOXSwitchMode(int scrnIndex, DisplayModePtr pMode, int flags) { ScrnInfoPtr pScrn; VBOXPtr pVBox; Bool rc = TRUE; pScrn = xf86Screens[scrnIndex]; /* Why does X have three ways of refering to the screen? */ pVBox = VBOXGetRec(pScrn); if (pVBox->useVbva) if (!vboxDisableVbva(pScrn)) /* This would be bad. */ rc = FALSE; /* We want to disable access to the framebuffer before switching mode. * After doing the switch, we allow access if it was allowed before. */ if (pVBox->accessEnabled) pVBox->EnableDisableFBAccess(scrnIndex, FALSE); if (rc && !VBOXSetMode(pScrn, pMode)) rc = FALSE; if (rc && !VBOXAdjustScreenPixmap(pScrn, pMode)) rc = FALSE; if (rc && !vboxGuestIsSeamless(pScrn)) vboxSaveVideoMode(pScrn, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel); if (rc) { vboxWriteHostModes(pScrn, pMode); xf86PrintModes(pScrn); } if (pVBox->accessEnabled) pVBox->EnableDisableFBAccess(scrnIndex, TRUE); if (pVBox->useVbva) if (!vboxEnableVbva(pScrn)) /* Bad but not fatal */ pVBox->useVbva = FALSE; return rc; } /* Set a graphics mode */ static Bool VBOXSetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode) { TRACE_ENTRY(); int bpp = pScrn->depth == 24 ? 32 : 16; VBOXPtr pVBox = VBOXGetRec(pScrn); /* Don't fiddle with the hardware if we are switched * to a virtual terminal. */ if (pVBox->vtSwitch == TRUE) return TRUE; if (pScrn->virtualX * pScrn->virtualY * bpp / 8 >= pScrn->videoRam * 1024) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Unable to set up a virtual screen size of %dx%d with %d Kb of video memory. Please increase the video memory size.\n", pScrn->virtualX, pScrn->virtualY, pScrn->videoRam); return FALSE; } pScrn->vtSema = TRUE; /* Disable linear framebuffer mode before making changes to the resolution. */ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ENABLE); outw(VBE_DISPI_IOPORT_DATA, VBE_DISPI_DISABLED); /* Unlike the resolution, the depth is fixed for a given screen for the lifetime of the X session. */ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_BPP); outw(VBE_DISPI_IOPORT_DATA, bpp); /* HDisplay and VDisplay are actually monitor information about the display part of the scanlines. */ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_XRES); outw(VBE_DISPI_IOPORT_DATA, pMode->HDisplay); outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_YRES); outw(VBE_DISPI_IOPORT_DATA, pMode->VDisplay); /* Enable linear framebuffer mode. */ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ENABLE); outw(VBE_DISPI_IOPORT_DATA, VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED); /* Set the virtual resolution. We are still using VESA to control the virtual offset. */ outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_VIRT_WIDTH); outw(VBE_DISPI_IOPORT_DATA, pMode->HDisplay); vboxEnableGraphicsCap(pVBox); TRACE_EXIT(); return (TRUE); } static bool VBOXAdjustScreenPixmap(ScrnInfoPtr pScrn, DisplayModePtr pMode) { ScreenPtr pScreen = pScrn->pScreen; PixmapPtr pPixmap = pScreen->GetScreenPixmap(pScreen); VBOXPtr pVBox = VBOXGetRec(pScrn); int bpp = pScrn->depth == 24 ? 32 : 16; if (!pPixmap) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to get the screen pixmap.\n"); return FALSE; } pScreen->ModifyPixmapHeader(pPixmap, pMode->HDisplay, pMode->VDisplay, pScrn->depth, bpp, pMode->HDisplay * bpp / 8, pVBox->base); #ifdef VBOX_DRI if (pVBox->useDRI) VBOXDRIUpdateStride(pScrn, pVBox); #endif pScrn->EnableDisableFBAccess(pScrn->scrnIndex, FALSE); pScrn->EnableDisableFBAccess(pScrn->scrnIndex, TRUE); return TRUE; } static void VBOXAdjustFrame(int scrnIndex, int x, int y, int flags) { VBOXPtr pVBox = VBOXGetRec(xf86Screens[scrnIndex]); ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; /* Don't fiddle with the hardware if we are switched * to a virtual terminal. */ if (pVBox->vtSwitch == TRUE) return; pVBox->viewportX = x; pVBox->viewportY = y; /* If VBVA is enabled the graphics card will not notice the change. */ if (pVBox->useVbva == TRUE) vboxDisableVbva(pScrn); VBESetDisplayStart(pVBox->pVbe, x, y, TRUE); if (pVBox->useVbva == TRUE) vboxEnableVbva(pScrn); } static void VBOXFreeScreen(int scrnIndex, int flags) { VBOXFreeRec(xf86Screens[scrnIndex]); } static Bool VBOXMapVidMem(ScrnInfoPtr pScrn) { VBOXPtr pVBox = VBOXGetRec(pScrn); if (pVBox->base != NULL) return (TRUE); #ifdef PCIACCESS (void) pci_device_map_range(pVBox->pciInfo, pScrn->memPhysBase, pVBox->mapSize, PCI_DEV_MAP_FLAG_WRITABLE, & pVBox->base); #else pVBox->base = xf86MapPciMem(pScrn->scrnIndex, VIDMEM_FRAMEBUFFER, pVBox->pciTag, pScrn->memPhysBase, (unsigned) pVBox->mapSize); #endif if (pVBox->base) { /* We need this for saving/restoring textmode */ VGAHWPTR(pScrn)->IOBase = pScrn->domainIOBase; return vgaHWMapMem(pScrn); } else return FALSE; } static void VBOXUnmapVidMem(ScrnInfoPtr pScrn) { VBOXPtr pVBox = VBOXGetRec(pScrn); if (pVBox->base == NULL) return; #ifdef PCIACCESS (void) pci_device_unmap_range(pVBox->pciInfo, pVBox->base, pVBox->mapSize); #else xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base, (unsigned) pVBox->mapSize); #endif vgaHWUnmapMem(pScrn); pVBox->base = NULL; } static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode) { return vgaHWSaveScreen(pScreen, mode); } Bool VBOXSaveRestore(ScrnInfoPtr pScrn, vbeSaveRestoreFunction function) { VBOXPtr pVBox; if (MODE_QUERY < 0 || function > MODE_RESTORE) return (FALSE); pVBox = VBOXGetRec(pScrn); /* Query amount of memory to save state */ if (function == MODE_QUERY || (function == MODE_SAVE && pVBox->state == NULL)) { /* Make sure we save at least this information in case of failure */ (void)VBEGetVBEMode(pVBox->pVbe, &pVBox->stateMode); vgaHWSaveFonts(pScrn, &pVBox->vgaRegs); if (!VBESaveRestore(pVBox->pVbe,function,(pointer)&pVBox->state, &pVBox->stateSize,&pVBox->statePage)) return FALSE; } /* Save/Restore Super VGA state */ if (function != MODE_QUERY) { Bool retval = TRUE; if (function == MODE_RESTORE) memcpy(pVBox->state, pVBox->pstate, (unsigned) pVBox->stateSize); if ((retval = VBESaveRestore(pVBox->pVbe,function, (pointer)&pVBox->state, &pVBox->stateSize,&pVBox->statePage)) && function == MODE_SAVE) { /* don't rely on the memory not being touched */ if (pVBox->pstate == NULL) pVBox->pstate = xalloc(pVBox->stateSize); memcpy(pVBox->pstate, pVBox->state, (unsigned) pVBox->stateSize); } if (function == MODE_RESTORE) { VBESetVBEMode(pVBox->pVbe, pVBox->stateMode, NULL); vgaHWRestoreFonts(pScrn, &pVBox->vgaRegs); } if (!retval) return (FALSE); } return (TRUE); } static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags) { vgaHWDPMSSet(pScrn, mode, flags); }