Index: unk/src/VBox/Additions/x11/vboxvideo/vboxvideo_70.c =================================================================== --- /trunk/src/VBox/Additions/x11/vboxvideo/vboxvideo_70.c (revision 35877) +++ (revision ) @@ -1,1136 +1,0 @@ -/** @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 function 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; - unsigned DispiId; - 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; - - /* Check if the chip restricts horizontal resolution or not. */ - outw(VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ID); - outw(VBE_DISPI_IOPORT_DATA, VBE_DISPI_ID_ANYX); - DispiId = inw(VBE_DISPI_IOPORT_DATA); - if (DispiId == VBE_DISPI_ID_ANYX) - pVBox->fAnyX = TRUE; - else - pVBox->fAnyX = FALSE; - - /* 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); - - /* And do additional bits which are separate for historical reasons */ - vbox_close(pScrn, pVBox); - - 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 referring 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); -}