diff options
Diffstat (limited to 'src/VBox/Additions/x11/vboxvideo/vboxvideo.c')
| -rw-r--r-- | src/VBox/Additions/x11/vboxvideo/vboxvideo.c | 1491 |
1 files changed, 1491 insertions, 0 deletions
diff --git a/src/VBox/Additions/x11/vboxvideo/vboxvideo.c b/src/VBox/Additions/x11/vboxvideo/vboxvideo.c new file mode 100644 index 00000000..672f22b0 --- /dev/null +++ b/src/VBox/Additions/x11/vboxvideo/vboxvideo.c @@ -0,0 +1,1491 @@ +/* $Id: vboxvideo.c $ */ +/** @file + * Linux Additions X11 graphics driver + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * This file is based on the X.Org VESA driver: + * + * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com) + * Copyright 2008 Red Hat, Inc. + * Copyright 2012 Red Hat, Inc. + * + * 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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 <pcpa@conectiva.com.br> + * David Dawes <dawes@xfree86.org> + * Adam Jackson <ajax@redhat.com> + * Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com> + */ + +#include "vboxvideo.h" +#include <VBoxVideoVBE.h> + +/* Basic definitions and functions needed by all drivers. */ +#include "xf86.h" +/* For video memory mapping. */ +#include "xf86_OSproc.h" +#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6 +/* PCI resources. */ +# include "xf86Resources.h" +#endif +/* Generic server linear frame-buffer APIs. */ +#include "fb.h" +/* Colormap and visual handling. */ +#include "micmap.h" +#include "xf86cmap.h" +/* ShadowFB support */ +#include "shadowfb.h" +/* VGA hardware functions for setting and restoring text mode */ +#include "vgaHW.h" +#ifdef VBOXVIDEO_13 +/* X.org 1.3+ mode setting */ +# define _HAVE_STRING_ARCH_strsep /* bits/string2.h, __strsep_1c. */ +# include "xf86Crtc.h" +# include "xf86Modes.h" +/* For xf86RandR12GetOriginalVirtualSize(). */ +# include "xf86RandR12.h" +#endif +/* For setting the root window property. */ +#include "property.h" +#include <X11/Xatom.h> + +#ifdef XORG_7X +# include <stdlib.h> +# include <string.h> +# include <fcntl.h> +# include <unistd.h> +#endif + +/* 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(ScreenPtr pScreen, int argc, char **argv); +static Bool VBOXEnterVT(ScrnInfoPtr pScrn); +static void VBOXLeaveVT(ScrnInfoPtr pScrn); +static Bool VBOXCloseScreen(ScreenPtr pScreen); +#ifndef VBOXVIDEO_13 +static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode); +#endif +static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode); +static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y); +static void VBOXFreeScreen(ScrnInfoPtr pScrn); +#ifndef VBOXVIDEO_13 +static void VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags); +#endif + +/* locally used functions */ +static Bool VBOXMapVidMem(ScrnInfoPtr pScrn); +static void VBOXUnmapVidMem(ScrnInfoPtr pScrn); +static void VBOXSaveMode(ScrnInfoPtr pScrn); +static void VBOXRestoreMode(ScrnInfoPtr pScrn); +static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, Bool fScreenInitTime); + +#ifndef XF86_SCRN_INTERFACE +# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum] +# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex] +#endif + +static inline void VBOXSetRec(ScrnInfoPtr pScrn) +{ + if (!pScrn->driverPrivate) + { + VBOXPtr pVBox = (VBOXPtr)xnfcalloc(sizeof(VBOXRec), 1); + pScrn->driverPrivate = pVBox; +#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX) + pVBox->fdACPIDevices = -1; +#endif + } +} + +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 + +/* Supported chipsets */ +static SymTabRec VBOXChipsets[] = +{ + {VBOX_DEVICEID, "vbox"}, + {-1, NULL} +}; + +static PciChipsets VBOXPCIchipsets[] = { + { VBOX_DEVICEID, VBOX_DEVICEID, RES_SHARED_VGA }, + { -1, -1, RES_UNDEFINED }, +}; + +/* + * 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 +}; + +/* No options for now */ +static const OptionInfoRec VBOXOptions[] = { + { -1, NULL, OPTV_NONE, {0}, FALSE } +}; + +#ifndef XORG_7X +/* + * 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 *ramdacSymbols[] = { + "xf86DestroyCursorInfoRec", + "xf86InitCursor", + "xf86CreateCursorInfoRec", + NULL +}; + +static const char *vgahwSymbols[] = { + "vgaHWFreeHWRec", + "vgaHWGetHWRec", + "vgaHWGetIOBase", + "vgaHWGetIndex", + "vgaHWRestore", + "vgaHWSave", + "vgaHWSetStdFuncs", + NULL +}; +#endif /* !XORG_7X */ + +/** Resize the virtual framebuffer. */ +static Bool adjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height) +{ + ScreenPtr pScreen = xf86ScrnToScreen(pScrn); + VBOXPtr pVBox = VBOXGetRec(pScrn); + int adjustedWidth = pScrn->bitsPerPixel == 16 ? (width + 1) & ~1 : width; + int cbLine = adjustedWidth * pScrn->bitsPerPixel / 8; + PixmapPtr pPixmap; + + TRACE_LOG("width=%d, height=%d\n", width, height); + AssertMsg(width >= 0 && height >= 0, ("Invalid negative width (%d) or height (%d)\n", width, height)); + if (pScreen == NULL) /* Not yet initialised. */ + return TRUE; + pPixmap = pScreen->GetScreenPixmap(pScreen); + AssertMsg(pPixmap != NULL, ("Failed to get the screen pixmap.\n")); + 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", + (void *)pPixmap, adjustedWidth, height, pScrn->depth, + pScrn->bitsPerPixel, cbLine, pVBox->base, + pPixmap->drawable.width, pPixmap->drawable.height); + if ( adjustedWidth != pPixmap->drawable.width + || height != pPixmap->drawable.height) + { + if ( adjustedWidth > VBOX_VIDEO_MAX_VIRTUAL || height > VBOX_VIDEO_MAX_VIRTUAL + || (unsigned)cbLine * (unsigned)height >= pVBox->cbFBMax) + { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Virtual framebuffer %dx%d too large. For information, video memory: %u Kb.\n", + adjustedWidth, height, (unsigned) pVBox->cbFBMax / 1024); + return FALSE; + } + if (pScrn->vtSema) + vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), + ((size_t)adjustedWidth) * height * (pScrn->bitsPerPixel / 8)); + pScreen->ModifyPixmapHeader(pPixmap, adjustedWidth, height, pScrn->depth, pScrn->bitsPerPixel, cbLine, pVBox->base); + } + pScrn->displayWidth = pScrn->virtualX = adjustedWidth; + pScrn->virtualY = height; + return TRUE; +} + +#ifndef VBOXVIDEO_13 +/** Set a video mode to the hardware, RandR 1.1 version. + * + * Since we no longer do virtual frame buffers, adjust the screen pixmap + * dimensions to match. The "override" parameters are for when we received a + * mode hint while switched to a virtual terminal. In this case VBoxClient will + * have told us about the mode, but not yet been able to do a mode switch using + * RandR. We solve this by setting the requested mode to the host but keeping + * the virtual frame- + * buffer matching what the X server expects. */ +static void setModeRandR11(ScrnInfoPtr pScrn, DisplayModePtr pMode, Bool fScreenInitTime, Bool fEnterVTTime, + int cXOverRide, int cYOverRide) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + struct vbvxFrameBuffer frameBuffer = { 0, 0, pMode->HDisplay, pMode->VDisplay, pScrn->bitsPerPixel}; + int cXPhysical = cXOverRide > 0 ? min(cXOverRide, pMode->HDisplay) : pMode->HDisplay; + int cYPhysical = cYOverRide > 0 ? min(cYOverRide, pMode->VDisplay) : pMode->VDisplay; + + pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay; + pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay; + if (fScreenInitTime) + { + /* The screen structure is not fully set up yet, so do not touch it. */ + pScrn->displayWidth = pScrn->virtualX = pMode->HDisplay; + pScrn->virtualY = pMode->VDisplay; + } + else + { + xf86ScrnToScreen(pScrn)->width = pMode->HDisplay; + xf86ScrnToScreen(pScrn)->height = pMode->VDisplay; + /* This prevents a crash in CentOS 3. I was unable to debug it to + * satisfaction, partly due to the lack of symbols. My guess is that + * pScrn->ModifyPixmapHeader() expects certain things to be set up when + * it sees pScrn->vtSema set to true which are not quite done at this + * point of the VT switch. */ + if (fEnterVTTime) + pScrn->vtSema = FALSE; + adjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay); + if (fEnterVTTime) + pScrn->vtSema = TRUE; + } + if (pMode->HDisplay != 0 && pMode->VDisplay != 0 && pScrn->vtSema) + vbvxSetMode(pScrn, 0, cXPhysical, cYPhysical, 0, 0, true, true, &frameBuffer); + pScrn->currentMode = pMode; +} +#endif + +#ifdef VBOXVIDEO_13 +/* X.org 1.3+ mode-setting support ******************************************/ + +/** Set a video mode to the hardware, RandR 1.2 version. If this is the first + * screen, re-set the current mode for all others (the offset for the first + * screen is always treated as zero by the hardware, so all other screens need + * to be changed to compensate for any changes!). The mode to set is taken + * from the X.Org Crtc structure. */ +static void setModeRandR12(ScrnInfoPtr pScrn, unsigned cScreen) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + unsigned i; + struct vbvxFrameBuffer frameBuffer = { pVBox->pScreens[0].paCrtcs->x, pVBox->pScreens[0].paCrtcs->y, pScrn->virtualX, + pScrn->virtualY, pScrn->bitsPerPixel }; + unsigned cFirst = cScreen; + unsigned cLast = cScreen != 0 ? cScreen + 1 : pVBox->cScreens; + int originalX, originalY; + + /* Check that this code cannot trigger the resizing bug in X.Org Server 1.3. + * See the work-around in ScreenInit. */ + xf86RandR12GetOriginalVirtualSize(pScrn, &originalX, &originalY); + AssertMsg(originalX == VBOX_VIDEO_MAX_VIRTUAL && originalY == VBOX_VIDEO_MAX_VIRTUAL, ("OriginalSize=%dx%d", + originalX, originalY)); + for (i = cFirst; i < cLast; ++i) + if (pVBox->pScreens[i].paCrtcs->mode.HDisplay != 0 && pVBox->pScreens[i].paCrtcs->mode.VDisplay != 0 && pScrn->vtSema) + vbvxSetMode(pScrn, i, pVBox->pScreens[i].paCrtcs->mode.HDisplay, pVBox->pScreens[i].paCrtcs->mode.VDisplay, + pVBox->pScreens[i].paCrtcs->x, pVBox->pScreens[i].paCrtcs->y, pVBox->pScreens[i].fPowerOn, + pVBox->pScreens[i].paOutputs->status == XF86OutputStatusConnected, &frameBuffer); +} + +/** Wrapper around setModeRandR12() to avoid exposing non-obvious semantics. + */ +static void setAllModesRandR12(ScrnInfoPtr pScrn) +{ + setModeRandR12(pScrn, 0); +} + +/* For descriptions of these functions and structures, see + hw/xfree86/modes/xf86Crtc.h and hw/xfree86/modes/xf86Modes.h in the + X.Org source tree. */ + +static Bool vbox_config_resize(ScrnInfoPtr pScrn, int cw, int ch) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + Bool rc; + unsigned i; + + TRACE_LOG("width=%d, height=%d\n", cw, ch); + rc = adjustScreenPixmap(pScrn, cw, ch); + /* Power-on all screens (the server expects this) and set the new pitch to them. */ + for (i = 0; i < pVBox->cScreens; ++i) + pVBox->pScreens[i].fPowerOn = true; + setAllModesRandR12(pScrn); + vbvxSetSolarisMouseRange(cw, ch); + return rc; +} + +static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = { + vbox_config_resize +}; + +static void +vbox_crtc_dpms(xf86CrtcPtr crtc, int mode) +{ + ScrnInfoPtr pScrn = crtc->scrn; + VBOXPtr pVBox = VBOXGetRec(pScrn); + unsigned cDisplay = (uintptr_t)crtc->driver_private; + + TRACE_LOG("mode=%d\n", mode); + pVBox->pScreens[cDisplay].fPowerOn = (mode != DPMSModeOff); + setModeRandR12(pScrn, cDisplay); +} + +static Bool +vbox_crtc_lock (xf86CrtcPtr crtc) +{ RT_NOREF(crtc); return FALSE; } + + +/* We use this function to check whether the X server owns the active virtual + * terminal before attempting a mode switch, since the RandR extension isn't + * very dilligent here, which can mean crashes if we are unlucky. This is + * not the way it the function is intended - it is meant for reporting modes + * which the hardware can't handle. I hope that this won't confuse any clients + * connecting to us. */ +static Bool +vbox_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode, + DisplayModePtr adjusted_mode) +{ RT_NOREF(crtc, mode, adjusted_mode); return TRUE; } + +static void +vbox_crtc_stub (xf86CrtcPtr crtc) +{ RT_NOREF(crtc); } + +static void +vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode, + DisplayModePtr adjusted_mode, int x, int y) +{ + RT_NOREF(mode); + VBOXPtr pVBox = VBOXGetRec(crtc->scrn); + unsigned cDisplay = (uintptr_t)crtc->driver_private; + + TRACE_LOG("name=%s, HDisplay=%d, VDisplay=%d, x=%d, y=%d\n", adjusted_mode->name, + adjusted_mode->HDisplay, adjusted_mode->VDisplay, x, y); + pVBox->pScreens[cDisplay].fPowerOn = true; + pVBox->pScreens[cDisplay].aScreenLocation.cx = adjusted_mode->HDisplay; + pVBox->pScreens[cDisplay].aScreenLocation.cy = adjusted_mode->VDisplay; + pVBox->pScreens[cDisplay].aScreenLocation.x = x; + pVBox->pScreens[cDisplay].aScreenLocation.y = y; + setModeRandR12(crtc->scrn, cDisplay); +} + +static void +vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red, + CARD16 *green, CARD16 *blue, int size) +{ RT_NOREF(crtc, red, green, blue, size); } + +static void * +vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height) +{ RT_NOREF(crtc, width, height); return NULL; } + +static const xf86CrtcFuncsRec VBOXCrtcFuncs = { + .dpms = vbox_crtc_dpms, + .save = NULL, /* These two are never called by the server. */ + .restore = NULL, + .lock = vbox_crtc_lock, + .unlock = NULL, /* This will not be invoked if lock returns FALSE. */ + .mode_fixup = vbox_crtc_mode_fixup, + .prepare = vbox_crtc_stub, + .mode_set = vbox_crtc_mode_set, + .commit = vbox_crtc_stub, + .gamma_set = vbox_crtc_gamma_set, + .shadow_allocate = vbox_crtc_shadow_allocate, + .shadow_create = NULL, /* These two should not be invoked if allocate + returns NULL. */ + .shadow_destroy = NULL, + .set_cursor_colors = NULL, /* We are still using the old cursor API. */ + .set_cursor_position = NULL, + .show_cursor = NULL, + .hide_cursor = NULL, + .load_cursor_argb = NULL, + .destroy = vbox_crtc_stub +}; + +static void +vbox_output_stub (xf86OutputPtr output) +{ RT_NOREF(output); } + +static void +vbox_output_dpms (xf86OutputPtr output, int mode) +{ + RT_NOREF(output, mode); +} + +static int +vbox_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode) +{ + return MODE_OK; +} + +static Bool +vbox_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode, + DisplayModePtr adjusted_mode) +{ RT_NOREF(output, mode, adjusted_mode); return TRUE; } + +static void +vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode, + DisplayModePtr adjusted_mode) +{ RT_NOREF(output, mode, adjusted_mode); } + +static xf86OutputStatus +vbox_output_detect (xf86OutputPtr output) +{ + ScrnInfoPtr pScrn = output->scrn; + VBOXPtr pVBox = VBOXGetRec(pScrn); + uint32_t iScreen = (uintptr_t)output->driver_private; + return pVBox->pScreens[iScreen].afConnected + ? XF86OutputStatusConnected : XF86OutputStatusDisconnected; +} + +static DisplayModePtr vbox_output_add_mode(VBOXPtr pVBox, DisplayModePtr *pModes, const char *pszName, int x, int y, + Bool isPreferred, Bool isUserDef) +{ + TRACE_LOG("pszName=%s, x=%d, y=%d\n", pszName ? pszName : "(null)", x, y); + DisplayModePtr pMode = xnfcalloc(1, sizeof(DisplayModeRec)); + int cRefresh = 60; + + pMode->status = MODE_OK; + /* We don't ask the host whether it likes user defined modes, + * as we assume that the user really wanted that mode. */ + pMode->type = isUserDef ? M_T_USERDEF : M_T_BUILTIN; + if (isPreferred) + pMode->type |= M_T_PREFERRED; + /* Older versions of VBox only support screen widths which are a multiple + * of 8 */ + if (pVBox->fAnyX) + pMode->HDisplay = x; + else + pMode->HDisplay = x & ~7; + pMode->HSyncStart = pMode->HDisplay + 2; + pMode->HSyncEnd = pMode->HDisplay + 4; + pMode->HTotal = pMode->HDisplay + 6; + pMode->VDisplay = y; + pMode->VSyncStart = pMode->VDisplay + 2; + pMode->VSyncEnd = pMode->VDisplay + 4; + pMode->VTotal = pMode->VDisplay + 6; + pMode->Clock = pMode->HTotal * pMode->VTotal * cRefresh / 1000; /* kHz */ + if (NULL == pszName) { + xf86SetModeDefaultName(pMode); + } else { + pMode->name = xnfstrdup(pszName); + } + *pModes = xf86ModesAdd(*pModes, pMode); + return pMode; +} + +static DisplayModePtr +vbox_output_get_modes (xf86OutputPtr output) +{ + DisplayModePtr pModes = NULL; + DisplayModePtr pPreferred = NULL; + ScrnInfoPtr pScrn = output->scrn; + VBOXPtr pVBox = VBOXGetRec(pScrn); + + TRACE_ENTRY(); + uint32_t iScreen = (uintptr_t)output->driver_private; + pPreferred = vbox_output_add_mode(pVBox, &pModes, NULL, + RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL), + RT_CLAMP(pVBox->pScreens[iScreen].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL), + TRUE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1600, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 2560, 1440, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 2048, 1536, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1600, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 1920, 1080, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 1680, 1050, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 1600, 1200, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 1400, 1050, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 1280, 1024, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 1024, 768, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 800, 600, FALSE, FALSE); + vbox_output_add_mode(pVBox, &pModes, NULL, 640, 480, FALSE, FALSE); + VBOXEDIDSet(output, pPreferred); + TRACE_EXIT(); + return pModes; +} + +static const xf86OutputFuncsRec VBOXOutputFuncs = { + .create_resources = vbox_output_stub, + .dpms = vbox_output_dpms, + .save = NULL, /* These two are never called by the server. */ + .restore = NULL, + .mode_valid = vbox_output_mode_valid, + .mode_fixup = vbox_output_mode_fixup, + .prepare = vbox_output_stub, + .commit = vbox_output_stub, + .mode_set = vbox_output_mode_set, + .detect = vbox_output_detect, + .get_modes = vbox_output_get_modes, +#ifdef RANDR_12_INTERFACE + .set_property = NULL, +#endif + .destroy = vbox_output_stub +}; +#endif /* VBOXVIDEO_13 */ + +/* Module loader interface */ +static MODULESETUPPROTO(vboxSetup); + +static XF86ModuleVersionInfo vboxVersionRec = +{ + VBOX_DRIVER_NAME, + "Oracle Corporation", + 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; + RT_NOREF(Options, ErrorMinor); + + if (!Initialised) + { + Initialised = TRUE; +#ifdef PCIACCESS + xf86AddDriver(&VBOXVIDEO, Module, HaveDriverFuncs); +#else + xf86AddDriver(&VBOXVIDEO, Module, 0); +#endif +#ifndef XORG_7X + LoaderRefSymLists(fbSymbols, + shadowfbSymbols, + 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); +} + + +static const OptionInfoRec * +VBOXAvailableOptions(int chipid, int busid) +{ + RT_NOREF(chipid, busid); + return (VBOXOptions); +} + +static void +VBOXIdentify(int flags) +{ + RT_NOREF(flags); + xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets); +} + +#ifndef XF86_SCRN_INTERFACE +# define SCRNINDEXAPI(pfn) pfn ## Index +static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) +{ + RT_NOREF(scrnIndex); + return VBOXScreenInit(pScreen, argc, argv); +} + +static Bool VBOXEnterVTIndex(int scrnIndex, int flags) +{ RT_NOREF(flags); return VBOXEnterVT(xf86Screens[scrnIndex]); } + +static void VBOXLeaveVTIndex(int scrnIndex, int flags) +{ RT_NOREF(flags); VBOXLeaveVT(xf86Screens[scrnIndex]); } + +static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen) +{ RT_NOREF(scrnIndex); return VBOXCloseScreen(pScreen); } + +static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags) +{ RT_NOREF(flags); return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); } + +static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags) +{ RT_NOREF(flags); VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); } + +static void VBOXFreeScreenIndex(int scrnIndex, int flags) +{ RT_NOREF(flags); VBOXFreeScreen(xf86Screens[scrnIndex]); } +# else +# define SCRNINDEXAPI(pfn) pfn +#endif /* XF86_SCRN_INTERFACE */ + +static void setScreenFunctions(ScrnInfoPtr pScrn, xf86ProbeProc pfnProbe) +{ + pScrn->driverVersion = VBOX_VERSION; + pScrn->driverName = VBOX_DRIVER_NAME; + pScrn->name = VBOX_NAME; + pScrn->Probe = pfnProbe; + pScrn->PreInit = VBOXPreInit; + pScrn->ScreenInit = SCRNINDEXAPI(VBOXScreenInit); + pScrn->SwitchMode = SCRNINDEXAPI(VBOXSwitchMode); + pScrn->AdjustFrame = SCRNINDEXAPI(VBOXAdjustFrame); + pScrn->EnterVT = SCRNINDEXAPI(VBOXEnterVT); + pScrn->LeaveVT = SCRNINDEXAPI(VBOXLeaveVT); + pScrn->FreeScreen = SCRNINDEXAPI(VBOXFreeScreen); +} + +/* + * One of these functions 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; + int drmFd; + + TRACE_ENTRY(); + + drmFd = open("/dev/dri/card0", O_RDWR, 0); + if (drmFd >= 0) + { + xf86Msg(X_INFO, "vboxvideo: kernel driver found, not loading.\n"); + close(drmFd); + return FALSE; + } + /* It is safe to call this, as the X server enables I/O access before + * calling the probe call-backs. */ + if (!xf86EnableIO()) + { + xf86Msg(X_INFO, "vboxvideo: this driver requires direct hardware access. You may wish to use the kernel driver instead.\n"); + return FALSE; + } + pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, VBOXPCIchipsets, + NULL, NULL, NULL, NULL, NULL); + if (pScrn != NULL) { + VBOXPtr pVBox; + + VBOXSetRec(pScrn); + pVBox = VBOXGetRec(pScrn); + if (!pVBox) + return FALSE; + setScreenFunctions(pScrn, NULL); + pVBox->pciInfo = dev; + } + + TRACE_LOG("returning %s\n", pScrn == NULL ? "false" : "true"); + return (pScrn != NULL); +} +#endif + +#ifndef PCIACCESS +static Bool +VBOXProbe(DriverPtr drv, int flags) +{ + Bool foundScreen = FALSE; + int numDevSections; + GDevPtr *devSections; + + /* + * 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()) + { + int numUsed; + int *usedChips; + int i; + 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))) + { + setScreenFunctions(pScrn, VBOXProbe); + foundScreen = TRUE; + } + } + free(usedChips); + } + } + free(devSections); + return (foundScreen); +} +#endif + + +/* + * 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}; + + 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 %d.%d\n", + VBOX_VERSION_MAJOR, VBOX_VERSION_MINOR); + + /* The ramdac module is needed for the hardware cursor. */ + if (!xf86LoadSubModule(pScrn, "ramdac")) + return FALSE; + + /* The framebuffer module. */ + if (!xf86LoadSubModule(pScrn, "fb")) + return (FALSE); + + if (!xf86LoadSubModule(pScrn, "shadowfb")) + return FALSE; + + if (!xf86LoadSubModule(pScrn, "vgahw")) + return FALSE; + + /* Get our private data from the ScrnInfoRec structure. */ + VBOXSetRec(pScrn); + pVBox = VBOXGetRec(pScrn); + if (!pVBox) + return FALSE; + + /* Entity information seems to mean bus information. */ + pVBox->pEnt = xf86GetEntityInfo(pScrn->entityList[0]); + +#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->chipset = "vbox"; + /** @note needed during colourmap initialisation */ + 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->progClock = TRUE; + + /* Using the PCI information caused problems with non-powers-of-two + sized video RAM configurations */ + pVBox->cbFBMax = VBoxVideoGetVRAMSize(); + pScrn->videoRam = pVBox->cbFBMax / 1024; + + /* Check if the chip restricts horizontal resolution or not. */ + pVBox->fAnyX = VBoxVideoAnyWidthAllowed(); + + /* 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; + + if (!xf86SetDepthBpp(pScrn, 24, 0, 0, Support32bppFb)) + return FALSE; + /* We only support 16 and 24 bits depth (i.e. 16 and 32bpp) */ + 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); + vboxAddModes(pScrn); + +#ifdef VBOXVIDEO_13 + pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL; + pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL; +#else + /* 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->bitsPerPixel == 16 ? (pScrn->currentMode->HDisplay + 1) & ~1 : pScrn->currentMode->HDisplay; + pScrn->virtualY = pScrn->currentMode->VDisplay; + +#endif /* !VBOXVIDEO_13 */ + + pScrn->displayWidth = pScrn->virtualX; + + xf86PrintModes(pScrn); + + /* VGA hardware initialisation */ + if (!vgaHWGetHWRec(pScrn)) + return FALSE; + /* Must be called before any VGA registers are saved or restored */ + vgaHWSetStdFuncs(VGAHWPTR(pScrn)); + vgaHWGetIOBase(VGAHWPTR(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); + + /* Set the DPI. Perhaps we should read this from the host? */ + xf86SetDpi(pScrn, 96, 96); + + if (pScrn->memPhysBase == 0) { +#ifdef PCIACCESS + pScrn->memPhysBase = pVBox->pciInfo->regions[0].base_addr; +#else + pScrn->memPhysBase = pVBox->pciInfo->memBase[0]; +#endif + pScrn->fbOffset = 0; + } + + TRACE_EXIT(); + return (TRUE); +} + +/** + * Dummy function for setting the colour palette, which we actually never + * touch. However, the server still requires us to provide this. + */ +static void +vboxLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, + LOCO *colors, VisualPtr pVisual) +{ + RT_NOREF(pScrn, numColors, indices, colors, pVisual); +} + +/** Set the graphics and guest cursor support capabilities to the host if + * the user-space helper is running. */ +static void updateGraphicsCapability(ScrnInfoPtr pScrn, Bool hasVT) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + + if (!pVBox->fHaveHGSMIModeHints) + return; + VBoxHGSMISendCapsInfo(&pVBox->guestCtx, hasVT + ? VBVACAPS_VIDEO_MODE_HINTS | VBVACAPS_DISABLE_CURSOR_INTEGRATION + : VBVACAPS_DISABLE_CURSOR_INTEGRATION); +} + +#ifndef VBOXVIDEO_13 + +#define PREFERRED_MODE_ATOM_NAME "VBOXVIDEO_PREFERRED_MODE" + +static void setSizesRandR11(ScrnInfoPtr pScrn) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + DisplayModePtr pNewMode; + int32_t propertyValue; + + pNewMode = pScrn->modes != pScrn->currentMode ? pScrn->modes : pScrn->modes->next; + pNewMode->HDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL); + pNewMode->VDisplay = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL); + propertyValue = (pNewMode->HDisplay << 16) + pNewMode->VDisplay; + ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(PREFERRED_MODE_ATOM_NAME, + sizeof(PREFERRED_MODE_ATOM_NAME) - 1, TRUE), XA_INTEGER, 32, + PropModeReplace, 1, &propertyValue, TRUE); +} + +#endif + +static void reprobeCursor(ScrnInfoPtr pScrn) +{ + if (ROOT_WINDOW(pScrn) == NULL) + return; +#ifdef XF86_SCRN_INTERFACE + pScrn->EnableDisableFBAccess(pScrn, FALSE); + pScrn->EnableDisableFBAccess(pScrn, TRUE); +#else + pScrn->EnableDisableFBAccess(pScrn->scrnIndex, FALSE); + pScrn->EnableDisableFBAccess(pScrn->scrnIndex, TRUE); +#endif +} + +static void setSizesAndCursorIntegration(ScrnInfoPtr pScrn, Bool fScreenInitTime) +{ + RT_NOREF(fScreenInitTime); + TRACE_LOG("fScreenInitTime=%d\n", (int)fScreenInitTime); +#ifdef VBOXVIDEO_13 +# if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 5 + RRGetInfo(xf86ScrnToScreen(pScrn), TRUE); +# else + RRGetInfo(xf86ScrnToScreen(pScrn)); +# endif +#else + setSizesRandR11(pScrn); +#endif + /* This calls EnableDisableFBAccess(), so only use when switched in. */ + if (pScrn->vtSema) + reprobeCursor(pScrn); +} + +/* We update the size hints from the X11 property set by VBoxClient every time + * that the X server goes to sleep (to catch the property change request). + * Although this is far more often than necessary it should not have real-life + * performance consequences and allows us to simplify the code quite a bit. */ +static void vboxBlockHandler(pointer pData, +#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 23 + OSTimePtr pTimeout, + pointer pReadmask +#else + void *pTimeout +#endif + ) +{ + ScrnInfoPtr pScrn = (ScrnInfoPtr)pData; + Bool fNeedUpdate = false; + + RT_NOREF(pTimeout); +#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 23 + RT_NOREF(pReadmask); +#endif + if (pScrn->vtSema) + vbvxReadSizesAndCursorIntegrationFromHGSMI(pScrn, &fNeedUpdate); + if (fNeedUpdate) + setSizesAndCursorIntegration(pScrn, false); +} + +/* + * 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(ScreenPtr pScreen, int argc, char **argv) +{ + ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); + VBOXPtr pVBox = VBOXGetRec(pScrn); + VisualPtr visual; + RT_NOREF(argc, argv); + + TRACE_ENTRY(); + + if (!VBOXMapVidMem(pScrn)) + return (FALSE); + + /* save current video state */ + VBOXSaveMode(pScrn); + + /* mi layer - reset the visual list (?)*/ + miClearVisualTypes(); + if (!miSetVisualTypes(pScrn->depth, TrueColorMask, + pScrn->rgbBits, TrueColor)) + return (FALSE); + if (!miSetPixmapDepths()) + return (FALSE); + + if (!fbScreenInit(pScreen, pVBox->base, + pScrn->virtualX, pScrn->virtualY, + pScrn->xDpi, pScrn->yDpi, + pScrn->displayWidth, pScrn->bitsPerPixel)) + return (FALSE); + + /* Fixup RGB ordering */ + /** @note the X server uses this even in true colour. */ + 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); + pScrn->vtSema = TRUE; + +#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX) + vbvxSetUpLinuxACPI(pScreen); +#endif + + if (!VBoxHGSMIIsSupported()) + { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Graphics device too old to support.\n"); + return FALSE; + } + vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024); + pVBox->cScreens = VBoxHGSMIGetMonitorCount(&pVBox->guestCtx); + pVBox->pScreens = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->pScreens)); + pVBox->paVBVAModeHints = xnfcalloc(pVBox->cScreens, sizeof(*pVBox->paVBVAModeHints)); + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Requested monitor count: %u\n", pVBox->cScreens); + vboxEnableVbva(pScrn); + /* Set up the dirty rectangle handler. It will be added into a function + * chain and gets removed when the screen is cleaned up. */ + if (ShadowFBInit2(pScreen, NULL, vbvxHandleDirtyRect) != TRUE) + return FALSE; + VBoxInitialiseSizeHints(pScrn); + +#ifdef VBOXVIDEO_13 + /* Initialise CRTC and output configuration for use with randr1.2. */ + xf86CrtcConfigInit(pScrn, &VBOXCrtcConfigFuncs); + + { + uint32_t i; + + for (i = 0; i < pVBox->cScreens; ++i) + { + char szOutput[256]; + + /* Setup our virtual CRTCs. */ + pVBox->pScreens[i].paCrtcs = xf86CrtcCreate(pScrn, &VBOXCrtcFuncs); + pVBox->pScreens[i].paCrtcs->driver_private = (void *)(uintptr_t)i; + + /* Set up our virtual outputs. */ + snprintf(szOutput, sizeof(szOutput), "VGA-%u", i); + pVBox->pScreens[i].paOutputs + = xf86OutputCreate(pScrn, &VBOXOutputFuncs, szOutput); + + /* We are not interested in the monitor section in the + * configuration file. */ + xf86OutputUseScreenMonitor(pVBox->pScreens[i].paOutputs, FALSE); + pVBox->pScreens[i].paOutputs->possible_crtcs = 1 << i; + pVBox->pScreens[i].paOutputs->possible_clones = 0; + pVBox->pScreens[i].paOutputs->driver_private = (void *)(uintptr_t)i; + TRACE_LOG("Created crtc (%p) and output %s (%p)\n", + (void *)pVBox->pScreens[i].paCrtcs, szOutput, + (void *)pVBox->pScreens[i].paOutputs); + } + } + + /* Set a sane minimum and maximum mode size to match what the hardware + * supports. */ + xf86CrtcSetSizeRange(pScrn, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL, VBOX_VIDEO_MAX_VIRTUAL); + + /* Now create our initial CRTC/output configuration. */ + if (!xf86InitialConfiguration(pScrn, TRUE)) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n"); + return (FALSE); + } + + /* Work around a bug in the original X server modesetting code, which took + * the first valid values set to these two as maxima over the server + * lifetime. This bug was introduced on Feb 15 2007 and was fixed in commit + * fa877d7f three months later, so it was present in X.Org Server 1.3. */ + pScrn->virtualX = VBOX_VIDEO_MAX_VIRTUAL; + pScrn->virtualY = VBOX_VIDEO_MAX_VIRTUAL; + + /* Initialise randr 1.2 mode-setting functions. */ + if (!xf86CrtcScreenInit(pScreen)) { + return FALSE; + } + + /* set first video mode */ + if (!xf86SetDesiredModes(pScrn)) { + return FALSE; + } +#else /* !VBOXVIDEO_13 */ + /* set first video mode */ + setModeRandR11(pScrn, pScrn->currentMode, true, false, 0, 0); +#endif /* !VBOXVIDEO_13 */ + + /* Say that we support graphics. */ + updateGraphicsCapability(pScrn, TRUE); + +#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 23 +# define WakeupHandlerProcPtr ServerWakeupHandlerProcPtr +#endif + + /* Register block and wake-up handlers for getting new screen size hints. */ + RegisterBlockAndWakeupHandlers(vboxBlockHandler, (WakeupHandlerProcPtr)NoopDDA, (pointer)pScrn); + + /* software cursor */ + miDCInitialize(pScreen, xf86GetPointerScreenFuncs()); + + /* colourmap code */ + if (!miCreateDefColormap(pScreen)) + return (FALSE); + + if(!xf86HandleColormaps(pScreen, 256, 8, vboxLoadPalette, NULL, 0)) + return (FALSE); + + pVBox->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = SCRNINDEXAPI(VBOXCloseScreen); +#ifdef VBOXVIDEO_13 + pScreen->SaveScreen = xf86SaveScreen; +#else + pScreen->SaveScreen = VBOXSaveScreen; +#endif + +#ifdef VBOXVIDEO_13 + xf86DPMSInit(pScreen, xf86DPMSSet, 0); +#else + /* We probably do want to support power management - even if we just use + a dummy function. */ + xf86DPMSInit(pScreen, VBOXDisplayPowerManagementSet, 0); +#endif + + /* Report any unused options (only for the first generation) */ + if (serverGeneration == 1) + xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); + + if (vbvxCursorInit(pScreen) != TRUE) + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Unable to start the VirtualBox mouse pointer integration with the host system.\n"); + + return (TRUE); +} + +#define NO_VT_ATOM_NAME "VBOXVIDEO_NO_VT" + +static Bool VBOXEnterVT(ScrnInfoPtr pScrn) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); +#ifndef VBOXVIDEO_13 + /* If we got a mode request while we were switched out, temporarily override + * the physical mode set to the device while keeping things consistent from + * the server's point of view. */ + int cXOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cx, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL); + int cYOverRide = RT_CLAMP(pVBox->pScreens[0].aPreferredSize.cy, VBOX_VIDEO_MIN_SIZE, VBOX_VIDEO_MAX_VIRTUAL); +#endif + + TRACE_ENTRY(); + vbvxSetUpHGSMIHeapInGuest(pVBox, pScrn->videoRam * 1024); + vboxEnableVbva(pScrn); + /* Re-set video mode */ +#ifdef VBOXVIDEO_13 + if (!xf86SetDesiredModes(pScrn)) { + return FALSE; + } +#else + setModeRandR11(pScrn, pScrn->currentMode, false, true, cXOverRide, cYOverRide); + DeleteProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, TRUE)); +#endif + updateGraphicsCapability(pScrn, TRUE); + return TRUE; +} + +static void VBOXLeaveVT(ScrnInfoPtr pScrn) +{ +#ifdef VBOXVIDEO_13 + VBOXPtr pVBox = VBOXGetRec(pScrn); + unsigned i; +#else + int32_t propertyValue = 0; +#endif + + TRACE_ENTRY(); +#ifdef VBOXVIDEO_13 + for (i = 0; i < pVBox->cScreens; ++i) + vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff); +#else + ChangeWindowProperty(ROOT_WINDOW(pScrn), MakeAtom(NO_VT_ATOM_NAME, sizeof(NO_VT_ATOM_NAME) - 1, FALSE), XA_INTEGER, 32, + PropModeReplace, 1, &propertyValue, TRUE); +#endif + updateGraphicsCapability(pScrn, FALSE); + vboxDisableVbva(pScrn); + vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0); + VBOXRestoreMode(pScrn); + TRACE_EXIT(); +} + +static Bool VBOXCloseScreen(ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); + VBOXPtr pVBox = VBOXGetRec(pScrn); + BOOL ret; + + if (pScrn->vtSema) + { +#ifdef VBOXVIDEO_13 + unsigned i; + + for (i = 0; i < pVBox->cScreens; ++i) + vbox_crtc_dpms(pVBox->pScreens[i].paCrtcs, DPMSModeOff); +#endif + vboxDisableVbva(pScrn); + vbvxClearVRAM(pScrn, ((size_t)pScrn->virtualX) * pScrn->virtualY * (pScrn->bitsPerPixel / 8), 0); + } + if (pScrn->vtSema) + VBOXRestoreMode(pScrn); + if (pScrn->vtSema) + VBOXUnmapVidMem(pScrn); + pScrn->vtSema = FALSE; + + vbvxCursorTerm(pVBox); + + pScreen->CloseScreen = pVBox->CloseScreen; +#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX) + vbvxCleanUpLinuxACPI(pScreen); +#endif +#ifndef XF86_SCRN_INTERFACE + ret = pScreen->CloseScreen(pScreen->myNum, pScreen); +#else + ret = pScreen->CloseScreen(pScreen); +#endif + return ret; +} + +static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode) +{ + Bool rc = TRUE; + + TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay); +#ifdef VBOXVIDEO_13 + rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0); +#else + setModeRandR11(pScrn, pMode, false, false, 0, 0); +#endif + TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE"); + return rc; +} + +static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y) +{ RT_NOREF(pScrn, x, y); } + +static void VBOXFreeScreen(ScrnInfoPtr pScrn) +{ + /* Destroy the VGA hardware record */ + vgaHWFreeHWRec(pScrn); + /* And our private record */ + free(pScrn->driverPrivate); + pScrn->driverPrivate = NULL; +} + +static Bool +VBOXMapVidMem(ScrnInfoPtr pScrn) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + Bool rc = TRUE; + + TRACE_ENTRY(); + if (!pVBox->base) + { +#ifdef PCIACCESS + (void) pci_device_map_range(pVBox->pciInfo, + pScrn->memPhysBase, + pScrn->videoRam * 1024, + PCI_DEV_MAP_FLAG_WRITABLE, + & pVBox->base); +#else + pVBox->base = xf86MapPciMem(pScrn->scrnIndex, + VIDMEM_FRAMEBUFFER, + pVBox->pciTag, pScrn->memPhysBase, + (unsigned) pScrn->videoRam * 1024); +#endif + if (!pVBox->base) + rc = FALSE; + } + TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE"); + return rc; +} + +static void +VBOXUnmapVidMem(ScrnInfoPtr pScrn) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + + TRACE_ENTRY(); + if (pVBox->base == NULL) + return; + +#ifdef PCIACCESS + (void) pci_device_unmap_range(pVBox->pciInfo, + pVBox->base, + pScrn->videoRam * 1024); +#else + xf86UnMapVidMem(pScrn->scrnIndex, pVBox->base, + (unsigned) pScrn->videoRam * 1024); +#endif + pVBox->base = NULL; + TRACE_EXIT(); +} + +#ifndef VBOXVIDEO_13 +static Bool +VBOXSaveScreen(ScreenPtr pScreen, int mode) +{ + RT_NOREF(pScreen, mode); + return TRUE; +} +#endif + +void +VBOXSaveMode(ScrnInfoPtr pScrn) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + vgaRegPtr vgaReg; + + TRACE_ENTRY(); + vgaReg = &VGAHWPTR(pScrn)->SavedReg; + vgaHWSave(pScrn, vgaReg, VGA_SR_ALL); + pVBox->fSavedVBEMode = VBoxVideoGetModeRegisters(&pVBox->cSavedWidth, + &pVBox->cSavedHeight, + &pVBox->cSavedPitch, + &pVBox->cSavedBPP, + &pVBox->fSavedFlags); +} + +void +VBOXRestoreMode(ScrnInfoPtr pScrn) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + vgaRegPtr vgaReg; + + TRACE_ENTRY(); + vgaReg = &VGAHWPTR(pScrn)->SavedReg; + vgaHWRestore(pScrn, vgaReg, VGA_SR_ALL); + if (pVBox->fSavedVBEMode) + VBoxVideoSetModeRegisters(pVBox->cSavedWidth, pVBox->cSavedHeight, + pVBox->cSavedPitch, pVBox->cSavedBPP, + pVBox->fSavedFlags, 0, 0); + else + VBoxVideoDisableVBE(); +} + +#ifndef VBOXVIDEO_13 +static void +VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode, int flags) +{ + RT_NOREF(pScrn, mode, flags); +} +#endif |