vboxvideo.c revision a5fca05de4ecdebae5a4df8769c61d43d5d209c4
/* $Id$ */
/** @file
*
* Linux Additions X11 graphics driver
*/
/*
* Copyright (C) 2006-2013 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 the X.Org VESA driver with the following copyrights:
*
* Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com)
* Copyright 2008 Red Hat, Inc.
* Copyright 2012 Red Hat, Inc.
*
* and the following permission notice (not all original sourse files include
* the last paragraph):
*
* 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 <pcpa@conectiva.com.br>
* David Dawes <dawes@xfree86.org>
* Adam Jackson <ajax@redhat.com>
* Dave Airlie <airlied@redhat.com>
*/
#ifdef XORG_7X
# include <stdlib.h>
# include <string.h>
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
# include "xf86Resources.h"
#endif
/* This was accepted upstream in X.Org Server 1.16 which bumped the video
* driver ABI to 17. */
#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 17
# define SET_HAVE_VT_PROPERTY
#endif
#ifndef PCIACCESS
/* Drivers for PCI hardware need this */
# include "xf86PciInfo.h"
/* Drivers that need to access the PCI config space directly need this */
# include "xf86Pci.h"
#endif
#include "fb.h"
#include "vboxvideo.h"
#include <VBox/VBoxGuest.h>
#include "version-generated.h"
#include "product-generated.h"
#include <xf86.h>
#include <misc.h>
/* All drivers initialising the SW cursor need this */
#include "mipointer.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"
#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"
#endif
/* For setting the root window property. */
#include <X11/Xatom.h>
#include "property.h"
#ifdef VBOX_DRI
# include "xf86drm.h"
# include "xf86drmMode.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);
static Bool VBOXSaveScreen(ScreenPtr pScreen, int mode);
static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode);
static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
static void VBOXFreeScreen(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 void VBOXSaveMode(ScrnInfoPtr pScrn);
static void VBOXRestoreMode(ScrnInfoPtr pScrn);
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 */
#ifdef VBOXVIDEO_13
/* X.org 1.3+ mode-setting support ******************************************/
/* 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);
TRACE_LOG("width=%d, height=%d\n", cw, ch);
/* Save the size in case we need to re-set it later. */
pVBox->FBSize.cx = cw;
pVBox->FBSize.cy = ch;
/* Don't fiddle with the hardware if we are switched
* to a virtual terminal. */
if (!pScrn->vtSema) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"We do not own the active VT, exiting.\n");
return TRUE;
}
return VBOXAdjustScreenPixmap(pScrn, cw, ch);
}
static const xf86CrtcConfigFuncsRec VBOXCrtcConfigFuncs = {
vbox_config_resize
};
static void
vbox_crtc_dpms(xf86CrtcPtr crtc, int mode)
{
VBOXPtr pVBox = VBOXGetRec(crtc->scrn);
unsigned cDisplay = (uintptr_t)crtc->driver_private;
bool fEnabled = (mode != DPMSModeOff);
TRACE_LOG("cDisplay=%u, mode=%i\n", cDisplay, mode);
pVBox->pScreens[cDisplay].fCrtcEnabled = fEnabled;
/* Don't fiddle with the hardware if we are switched
* to a virtual terminal. */
if (!crtc->scrn->vtSema) {
xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
"We do not own the active VT, exiting.\n");
return;
}
if ( pVBox->pScreens[cDisplay].aScreenLocation.cx
&& pVBox->pScreens[cDisplay].aScreenLocation.cy)
VBOXSetMode(crtc->scrn, cDisplay,
pVBox->pScreens[cDisplay].aScreenLocation.cx,
pVBox->pScreens[cDisplay].aScreenLocation.cy,
pVBox->pScreens[cDisplay].aScreenLocation.x,
pVBox->pScreens[cDisplay].aScreenLocation.y);
}
static Bool
vbox_crtc_lock (xf86CrtcPtr crtc)
{ (void) 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)
{ (void) crtc; (void) mode; (void) adjusted_mode; return TRUE; }
static void
vbox_crtc_stub (xf86CrtcPtr crtc)
{ (void) crtc; }
static void
vbox_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode,
DisplayModePtr adjusted_mode, int x, int y)
{
(void) 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].fCrtcEnabled = true;
pVBox->pScreens[cDisplay].fOutputEnabled = 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;
/* Don't fiddle with the hardware if we are switched
* to a virtual terminal. */
if (!crtc->scrn->vtSema)
{
xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR,
"We do not own the active VT, exiting.\n");
return;
}
VBOXSetMode(crtc->scrn, cDisplay, adjusted_mode->HDisplay,
adjusted_mode->VDisplay, x, y);
}
static void
vbox_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red,
CARD16 *green, CARD16 *blue, int size)
{ (void) crtc; (void) red; (void) green; (void) blue; (void) size; }
static void *
vbox_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height)
{ (void) crtc; (void) width; (void) 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)
{ (void) output; }
static void
vbox_output_dpms (xf86OutputPtr output, int mode)
{
VBOXPtr pVBox = VBOXGetRec(output->scrn);
unsigned cDisplay = (uintptr_t)output->driver_private;
bool fEnabled = (mode == DPMSModeOn);
TRACE_LOG("cDisplay=%u, mode=%i\n", cDisplay, mode);
pVBox->pScreens[cDisplay].fOutputEnabled = fEnabled;
/* Don't fiddle with the hardware if we are switched
* to a virtual terminal. */
if (!output->scrn->vtSema) {
xf86DrvMsg(output->scrn->scrnIndex, X_ERROR,
"We do not own the active VT, exiting.\n");
return;
}
if ( pVBox->pScreens[cDisplay].aScreenLocation.cx
&& pVBox->pScreens[cDisplay].aScreenLocation.cy)
VBOXSetMode(output->scrn, cDisplay,
pVBox->pScreens[cDisplay].aScreenLocation.cx,
pVBox->pScreens[cDisplay].aScreenLocation.cy,
pVBox->pScreens[cDisplay].aScreenLocation.x,
pVBox->pScreens[cDisplay].aScreenLocation.y);
}
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)
{ (void) output; (void) mode; (void) adjusted_mode; return TRUE; }
static void
vbox_output_mode_set (xf86OutputPtr output, DisplayModePtr mode,
DisplayModePtr adjusted_mode)
{ (void) output; (void) mode; (void) adjusted_mode; }
/* A virtual monitor is always connected. */
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)
{
unsigned i, cIndex = 0;
DisplayModePtr pModes = NULL, pMode;
ScrnInfoPtr pScrn = output->scrn;
VBOXPtr pVBox = VBOXGetRec(pScrn);
TRACE_ENTRY();
uint32_t x, y, iScreen;
iScreen = (uintptr_t)output->driver_private;
VBoxUpdateSizeHints(pScrn);
pMode = vbox_output_add_mode(pVBox, &pModes, NULL, pVBox->pScreens[iScreen].aPreferredSize.cx,
pVBox->pScreens[iScreen].aPreferredSize.cy, TRUE, FALSE);
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,
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,
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)
{
return (VBOXOptions);
}
static void
VBOXIdentify(int flags)
{
xf86PrintChipsets(VBOX_NAME, "guest driver for VirtualBox", VBOXChipsets);
}
#ifndef XF86_SCRN_INTERFACE
# define xf86ScreenToScrn(pScreen) xf86Screens[(pScreen)->myNum]
# define xf86ScrnToScreen(pScrn) screenInfo.screens[(pScrn)->scrnIndex]
# define SCRNINDEXAPI(pfn) pfn ## Index
static Bool VBOXScreenInitIndex(int scrnIndex, ScreenPtr pScreen, int argc,
char **argv)
{ return VBOXScreenInit(pScreen, argc, argv); }
static Bool VBOXEnterVTIndex(int scrnIndex, int flags)
{ (void) flags; return VBOXEnterVT(xf86Screens[scrnIndex]); }
static void VBOXLeaveVTIndex(int scrnIndex, int flags)
{ (void) flags; VBOXLeaveVT(xf86Screens[scrnIndex]); }
static Bool VBOXCloseScreenIndex(int scrnIndex, ScreenPtr pScreen)
{ (void) scrnIndex; return VBOXCloseScreen(pScreen); }
static Bool VBOXSwitchModeIndex(int scrnIndex, DisplayModePtr pMode, int flags)
{ (void) flags; return VBOXSwitchMode(xf86Screens[scrnIndex], pMode); }
static void VBOXAdjustFrameIndex(int scrnIndex, int x, int y, int flags)
{ (void) flags; VBOXAdjustFrame(xf86Screens[scrnIndex], x, y); }
static void VBOXFreeScreenIndex(int scrnIndex, int flags)
{ (void) 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;
TRACE_ENTRY();
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", BOOL_STR(pScrn != NULL));
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};
unsigned DispiId;
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. */
VBOXSetRec(pScrn);
pVBox = VBOXGetRec(pScrn);
if (!pVBox)
return FALSE;
/* 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;
/* The framebuffer module. */
if (!xf86LoadSubModule(pScrn, "fb"))
return (FALSE);
if (!xf86LoadSubModule(pScrn, "shadowfb"))
return FALSE;
if (!xf86LoadSubModule(pScrn, "vgahw"))
return FALSE;
#ifdef VBOX_DRI_OLD
/* Load the dri module. */
if (!xf86LoadSubModule(pScrn, "dri"))
return FALSE;
#else
# ifdef VBOX_DRI
/* Load the dri module. */
if (!xf86LoadSubModule(pScrn, "dri2"))
return FALSE;
# endif
#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->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
/* 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. */
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->currentMode->HDisplay;
pScrn->virtualY = pScrn->currentMode->VDisplay;
#endif /* !VBOXVIDEO_13 */
/* Needed before we initialise DRI. */
pVBox->cbLine = vboxLineLength(pScrn, pScrn->virtualX);
pScrn->displayWidth = vboxDisplayPitch(pScrn, pVBox->cbLine);
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)
{
(void)pScrn; (void) numColors; (void) indices; (void) colors;
(void)pVisual;
}
#define HAS_VT_ATOM_NAME "XFree86_has_VT"
#define VBOXVIDEO_DRIVER_ATOM_NAME "VBOXVIDEO_DRIVER_IN_USE"
/* The memory storing the initial value of the XFree86_has_VT root window
* property. This has to remain available until server start-up, so we just
* use a global. */
static CARD32 InitialPropertyValue = 1;
/** Initialise a flag property on the root window to say whether the server VT
* is currently the active one as some clients need to know this. */
static void initialiseProperties(ScrnInfoPtr pScrn)
{
Atom atom = -1;
CARD32 *PropertyValue = &InitialPropertyValue;
#ifdef SET_HAVE_VT_PROPERTY
atom = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1, TRUE);
if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
32, 1, PropertyValue) != Success)
FatalError("vboxvideo: failed to register VT property\n");
#endif /* SET_HAVE_VT_PROPERTY */
atom = MakeAtom(VBOXVIDEO_DRIVER_ATOM_NAME,
sizeof(VBOXVIDEO_DRIVER_ATOM_NAME) - 1, TRUE);
if (xf86RegisterRootWindowProperty(pScrn->scrnIndex, atom, XA_INTEGER,
32, 1, PropertyValue) != Success)
FatalError("vboxvideo: failed to register driver in use property\n");
}
#ifdef SET_HAVE_VT_PROPERTY
/** Update a flag property on the root window to say whether the server VT
* is currently the active one as some clients need to know this. */
static void updateHasVTProperty(ScrnInfoPtr pScrn, Bool hasVT)
{
Atom property_name;
int32_t value = hasVT ? 1 : 0;
int i;
property_name = MakeAtom(HAS_VT_ATOM_NAME, sizeof(HAS_VT_ATOM_NAME) - 1,
FALSE);
if (property_name == BAD_RESOURCE)
FatalError("Failed to retrieve \"HAS_VT\" atom\n");
if (ROOT_WINDOW(pScrn) == NULL)
return;
ChangeWindowProperty(ROOT_WINDOW(pScrn), property_name, XA_INTEGER, 32,
PropModeReplace, 1, &value, TRUE);
}
#endif /* SET_HAVE_VT_PROPERTY */
/*
* 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;
unsigned flags;
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);
#ifdef VBOX_DRI
pVBox->useDRI = VBOXDRIScreenInit(pScrn, pScreen, pVBox);
# ifndef VBOX_DRI_OLD /* DRI2 */
if (pVBox->drmFD >= 0)
/* Tell the kernel driver, if present, that we are taking over. */
drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_DISABLE_HGSMI, NULL);
# endif
#endif
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)
VBoxSetUpLinuxACPI(pScreen);
#endif
vbox_open (pScrn, pScreen, pVBox);
vboxEnableVbva(pScrn);
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);
}
/* Initialise randr 1.2 mode-setting functions and set first mode.
* Note that the mode won't be usable until the server has resized the
* framebuffer to something reasonable. */
if (!xf86CrtcScreenInit(pScreen)) {
return FALSE;
}
if (!xf86SetDesiredModes(pScrn)) {
return FALSE;
}
#else /* !VBOXVIDEO_13 */
VBoxSetUpRandR11(pScreen);
/* set first video mode */
if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
pScrn->currentMode->VDisplay, pScrn->frameX0,
pScrn->frameY0))
return FALSE;
/* Save the size in case we need to re-set it later. */
pVBox->FBSize.cx = pScrn->currentMode->HDisplay;
pVBox->FBSize.cy = pScrn->currentMode->VDisplay;
pVBox->pScreens[0].aScreenLocation.cx = pScrn->currentMode->HDisplay;
pVBox->pScreens[0].aScreenLocation.cy = pScrn->currentMode->VDisplay;
pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
#endif /* !VBOXVIDEO_13 */
/* 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 (vbox_cursor_init(pScreen) != TRUE)
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Unable to start the VirtualBox mouse pointer integration with the host system.\n");
#ifdef VBOX_DRI_OLD
if (pVBox->useDRI)
pVBox->useDRI = VBOXDRIFinishScreenInit(pScreen);
#endif
initialiseProperties(pScrn);
return (TRUE);
}
static Bool VBOXEnterVT(ScrnInfoPtr pScrn)
{
VBOXPtr pVBox = VBOXGetRec(pScrn);
TRACE_ENTRY();
#ifdef VBOX_DRI_OLD
if (pVBox->useDRI)
DRIUnlock(xf86ScrnToScreen(pScrn));
#elif defined(VBOX_DRI) /* DRI2 */
if (pVBox->drmFD >= 0)
{
/* Tell the kernel driver, if present, that we are taking over. */
drmSetMaster(pVBox->drmFD);
}
#endif
vboxEnableVbva(pScrn);
/* Re-assert this in case we had a change request while switched out. */
if (pVBox->FBSize.cx && pVBox->FBSize.cy)
VBOXAdjustScreenPixmap(pScrn, pVBox->FBSize.cx, pVBox->FBSize.cy);
#ifdef VBOXVIDEO_13
if (!xf86SetDesiredModes(pScrn))
return FALSE;
#else
if (!VBOXSetMode(pScrn, 0, pScrn->currentMode->HDisplay,
pScrn->currentMode->VDisplay, pScrn->frameX0,
pScrn->frameY0))
return FALSE;
#endif
#ifdef SET_HAVE_VT_PROPERTY
updateHasVTProperty(pScrn, TRUE);
#endif
return TRUE;
}
static void VBOXLeaveVT(ScrnInfoPtr pScrn)
{
VBOXPtr pVBox = VBOXGetRec(pScrn);
#ifdef VBOXVIDEO_13
unsigned i;
#endif
TRACE_ENTRY();
#ifdef VBOXVIDEO_13
for (i = 0; i < pVBox->cScreens; ++i)
vbox_output_dpms(pVBox->pScreens[i].paOutputs, DPMSModeOff);
#endif
vboxDisableVbva(pScrn);
vboxClearVRAM(pScrn, 0, 0);
#ifdef VBOX_DRI_OLD
if (pVBox->useDRI)
DRILock(xf86ScrnToScreen(pScrn), 0);
#elif defined(VBOX_DRI) /* DRI2 */
if (pVBox->drmFD >= 0)
drmDropMaster(pVBox->drmFD);
#endif
VBOXRestoreMode(pScrn);
#ifdef SET_HAVE_VT_PROPERTY
updateHasVTProperty(pScrn, FALSE);
#endif
TRACE_EXIT();
}
static Bool VBOXCloseScreen(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
VBOXPtr pVBox = VBOXGetRec(pScrn);
#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
BOOL fRestore = TRUE;
#endif
if (pScrn->vtSema)
{
#ifdef VBOXVIDEO_13
unsigned i;
for (i = 0; i < pVBox->cScreens; ++i)
vbox_output_dpms(pVBox->pScreens[i].paOutputs, DPMSModeOff);
#endif
vboxDisableVbva(pScrn);
vboxClearVRAM(pScrn, 0, 0);
}
#ifdef VBOX_DRI
# ifndef VBOX_DRI_OLD /* DRI2 */
if ( pVBox->drmFD >= 0
/* Tell the kernel driver, if present, that we are going away. */
&& drmIoctl(pVBox->drmFD, VBOXVIDEO_IOCTL_ENABLE_HGSMI, NULL) >= 0)
fRestore = false;
# endif
if (pVBox->useDRI)
VBOXDRICloseScreen(pScreen, pVBox);
pVBox->useDRI = false;
#endif
#if defined(VBOX_DRI) && !defined(VBOX_DRI_OLD) /* DRI2 */
if (fRestore)
#endif
if (pScrn->vtSema)
VBOXRestoreMode(pScrn);
if (pScrn->vtSema)
VBOXUnmapVidMem(pScrn);
pScrn->vtSema = FALSE;
/* Do additional bits which are separate for historical reasons */
vbox_close(pScrn, pVBox);
pScreen->CloseScreen = pVBox->CloseScreen;
#if defined(VBOXVIDEO_13) && defined(RT_OS_LINUX)
VBoxCleanUpLinuxACPI(pScreen);
#endif
#ifndef XF86_SCRN_INTERFACE
return pScreen->CloseScreen(pScreen->myNum, pScreen);
#else
return pScreen->CloseScreen(pScreen);
#endif
}
static Bool VBOXSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr pMode)
{
VBOXPtr pVBox;
Bool rc;
TRACE_LOG("HDisplay=%d, VDisplay=%d\n", pMode->HDisplay, pMode->VDisplay);
#ifndef VBOXVIDEO_13
pVBox = VBOXGetRec(pScrn);
/* Save the size in case we need to re-set it later. */
pVBox->FBSize.cx = pMode->HDisplay;
pVBox->FBSize.cy = pMode->VDisplay;
pVBox->pScreens[0].aScreenLocation.cx = pMode->HDisplay;
pVBox->pScreens[0].aScreenLocation.cy = pMode->VDisplay;
pVBox->pScreens[0].aScreenLocation.x = pScrn->frameX0;
pVBox->pScreens[0].aScreenLocation.y = pScrn->frameY0;
#endif
if (!pScrn->vtSema)
{
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"We do not own the active VT, exiting.\n");
return TRUE;
}
#ifdef VBOXVIDEO_13
rc = xf86SetSingleMode(pScrn, pMode, RR_Rotate_0);
#else
VBOXAdjustScreenPixmap(pScrn, pMode->HDisplay, pMode->VDisplay);
rc = VBOXSetMode(pScrn, 0, pMode->HDisplay, pMode->VDisplay,
pScrn->frameX0, pScrn->frameY0);
#endif
TRACE_LOG("returning %s\n", rc ? "TRUE" : "FALSE");
return rc;
}
static void VBOXAdjustFrame(ScrnInfoPtr pScrn, int x, int y)
{
VBOXPtr pVBox = VBOXGetRec(pScrn);
TRACE_ENTRY();
pVBox->pScreens[0].aScreenLocation.x = x;
pVBox->pScreens[0].aScreenLocation.y = y;
/* Don't fiddle with the hardware if we are switched
* to a virtual terminal. */
if (!pScrn->vtSema)
{
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"We do not own the active VT, exiting.\n");
return;
}
VBOXSetMode(pScrn, 0, pVBox->pScreens[0].aScreenLocation.cx,
pVBox->pScreens[0].aScreenLocation.cy, x, y);
TRACE_EXIT();
}
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();
}
static Bool
VBOXSaveScreen(ScreenPtr pScreen, int mode)
{
(void)pScreen; (void)mode;
return TRUE;
}
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;
#ifdef VBOX_DRI
drmModeResPtr pRes;
#endif
TRACE_ENTRY();
#ifdef VBOX_DRI
/* Do not try to re-set the VGA state if a mode-setting driver is loaded. */
if ( pVBox->drmFD >= 0
&& LoaderSymbol("drmModeGetResources") != NULL
&& (pRes = drmModeGetResources(pVBox->drmFD)) != NULL)
{
drmModeFreeResources(pRes);
return;
}
#endif
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();
}
static void
VBOXDisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
int flags)
{
(void)pScrn; (void)mode; (void) flags;
}