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-rw-r--r--xorg-server/hw/xfree86/common/xf86Helper.c2959
1 files changed, 2959 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Helper.c b/xorg-server/hw/xfree86/common/xf86Helper.c
new file mode 100644
index 000000000..282eb49f9
--- /dev/null
+++ b/xorg-server/hw/xfree86/common/xf86Helper.c
@@ -0,0 +1,2959 @@
+/*
+ * Copyright (c) 1997-2003 by The XFree86 Project, 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+/*
+ * Authors: Dirk Hohndel <hohndel@XFree86.Org>
+ * David Dawes <dawes@XFree86.Org>
+ * ... and others
+ *
+ * This file includes the helper functions that the server provides for
+ * different drivers.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <pciaccess.h>
+#include "Pci.h"
+
+#include <X11/X.h>
+#include "os.h"
+#include "servermd.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "propertyst.h"
+#include "gcstruct.h"
+#include "loaderProcs.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+#include "micmap.h"
+#include "xf86PciInfo.h"
+#include "xf86DDC.h"
+#include "xf86Xinput.h"
+#include "xf86InPriv.h"
+#include "mivalidate.h"
+#include "xf86RAC.h"
+#include "xf86Bus.h"
+#include "xf86Version.h"
+
+/* For xf86GetClocks */
+#if defined(CSRG_BASED) || defined(__GNU__)
+#define HAS_SETPRIORITY
+#include <sys/resource.h>
+#endif
+
+static int xf86ScrnInfoPrivateCount = 0;
+
+
+/* Add a pointer to a new DriverRec to xf86DriverList */
+
+_X_EXPORT void
+xf86AddDriver(DriverPtr driver, pointer module, int flags)
+{
+ /* Don't add null entries */
+ if (!driver)
+ return;
+
+ if (xf86DriverList == NULL)
+ xf86NumDrivers = 0;
+
+ xf86NumDrivers++;
+ xf86DriverList = xnfrealloc(xf86DriverList,
+ xf86NumDrivers * sizeof(DriverPtr));
+ xf86DriverList[xf86NumDrivers - 1] = xnfalloc(sizeof(DriverRec));
+ if (flags & HaveDriverFuncs)
+ *xf86DriverList[xf86NumDrivers - 1] = *driver;
+ else {
+ (void) memset( xf86DriverList[xf86NumDrivers - 1], 0,
+ sizeof( DriverRec ) );
+ (void) memcpy( xf86DriverList[xf86NumDrivers - 1], driver,
+ sizeof(DriverRec1));
+
+ }
+ xf86DriverList[xf86NumDrivers - 1]->module = module;
+ xf86DriverList[xf86NumDrivers - 1]->refCount = 0;
+}
+
+_X_EXPORT void
+xf86DeleteDriver(int drvIndex)
+{
+ if (xf86DriverList[drvIndex]
+ && (!xf86DriverHasEntities(xf86DriverList[drvIndex]))) {
+ if (xf86DriverList[drvIndex]->module)
+ UnloadModule(xf86DriverList[drvIndex]->module);
+ xfree(xf86DriverList[drvIndex]);
+ xf86DriverList[drvIndex] = NULL;
+ }
+}
+
+/* Add a pointer to a new InputDriverRec to xf86InputDriverList */
+
+_X_EXPORT void
+xf86AddInputDriver(InputDriverPtr driver, pointer module, int flags)
+{
+ /* Don't add null entries */
+ if (!driver)
+ return;
+
+ if (xf86InputDriverList == NULL)
+ xf86NumInputDrivers = 0;
+
+ xf86NumInputDrivers++;
+ xf86InputDriverList = xnfrealloc(xf86InputDriverList,
+ xf86NumInputDrivers * sizeof(InputDriverPtr));
+ xf86InputDriverList[xf86NumInputDrivers - 1] =
+ xnfalloc(sizeof(InputDriverRec));
+ *xf86InputDriverList[xf86NumInputDrivers - 1] = *driver;
+ xf86InputDriverList[xf86NumInputDrivers - 1]->module = module;
+ xf86InputDriverList[xf86NumInputDrivers - 1]->refCount = 0;
+}
+
+void
+xf86DeleteInputDriver(int drvIndex)
+{
+ if (xf86InputDriverList[drvIndex] && xf86InputDriverList[drvIndex]->module)
+ UnloadModule(xf86InputDriverList[drvIndex]->module);
+ xfree(xf86InputDriverList[drvIndex]);
+ xf86InputDriverList[drvIndex] = NULL;
+}
+
+InputDriverPtr
+xf86LookupInputDriver(const char *name)
+{
+ int i;
+
+ for (i = 0; i < xf86NumInputDrivers; i++) {
+ if (xf86InputDriverList[i] && xf86InputDriverList[i]->driverName &&
+ xf86NameCmp(name, xf86InputDriverList[i]->driverName) == 0)
+ return xf86InputDriverList[i];
+ }
+ return NULL;
+}
+
+InputInfoPtr
+xf86LookupInput(const char *name)
+{
+ InputInfoPtr p;
+
+ for (p = xf86InputDevs; p != NULL; p = p->next) {
+ if (strcmp(name, p->name) == 0)
+ return p;
+ }
+
+ return NULL;
+}
+
+/* ABI stubs of despair */
+_X_EXPORT void
+xf86AddModuleInfo(pointer info, pointer module)
+{
+}
+
+_X_EXPORT void
+xf86DeleteModuleInfo(int idx)
+{
+}
+
+/* Allocate a new ScrnInfoRec in xf86Screens */
+
+_X_EXPORT ScrnInfoPtr
+xf86AllocateScreen(DriverPtr drv, int flags)
+{
+ int i;
+
+ if (xf86Screens == NULL)
+ xf86NumScreens = 0;
+
+ i = xf86NumScreens++;
+ xf86Screens = xnfrealloc(xf86Screens, xf86NumScreens * sizeof(ScrnInfoPtr));
+ xf86Screens[i] = xnfcalloc(sizeof(ScrnInfoRec), 1);
+ xf86Screens[i]->scrnIndex = i; /* Changes when a screen is removed */
+ xf86Screens[i]->origIndex = i; /* This never changes */
+ xf86Screens[i]->privates = xnfcalloc(sizeof(DevUnion),
+ xf86ScrnInfoPrivateCount);
+ /*
+ * EnableDisableFBAccess now gets initialized in InitOutput()
+ * xf86Screens[i]->EnableDisableFBAccess = xf86EnableDisableFBAccess;
+ */
+
+ xf86Screens[i]->drv = drv;
+ drv->refCount++;
+ xf86Screens[i]->module = DuplicateModule(drv->module, NULL);
+ /*
+ * set the initial access state. This will be modified after PreInit.
+ * XXX Or should we do it some other place?
+ */
+ xf86Screens[i]->CurrentAccess = &xf86CurrentAccess;
+ xf86Screens[i]->resourceType = MEM_IO;
+
+#ifdef DEBUG
+ /* OOps -- What's this ? */
+ ErrorF("xf86AllocateScreen - xf86Screens[%d]->pScreen = %p\n",
+ i, xf86Screens[i]->pScreen );
+ if ( NULL != xf86Screens[i]->pScreen ) {
+ ErrorF("xf86Screens[%d]->pScreen->CreateWindow = %p\n",
+ i, xf86Screens[i]->pScreen->CreateWindow );
+ }
+#endif
+
+ xf86Screens[i]->DriverFunc = drv->driverFunc;
+
+ return xf86Screens[i];
+}
+
+
+/*
+ * Remove an entry from xf86Screens. Ideally it should free all allocated
+ * data. To do this properly may require a driver hook.
+ */
+
+_X_EXPORT void
+xf86DeleteScreen(int scrnIndex, int flags)
+{
+ ScrnInfoPtr pScrn;
+ int i;
+
+ /* First check if the screen is valid */
+ if (xf86NumScreens == 0 || xf86Screens == NULL)
+ return;
+
+ if (scrnIndex > xf86NumScreens - 1)
+ return;
+
+ if (!(pScrn = xf86Screens[scrnIndex]))
+ return;
+
+ /* If a FreeScreen function is defined, call it here */
+ if (pScrn->FreeScreen != NULL)
+ pScrn->FreeScreen(scrnIndex, 0);
+
+ while (pScrn->modes)
+ xf86DeleteMode(&pScrn->modes, pScrn->modes);
+
+ while (pScrn->modePool)
+ xf86DeleteMode(&pScrn->modePool, pScrn->modePool);
+
+ xf86OptionListFree(pScrn->options);
+
+ if (pScrn->module)
+ UnloadModule(pScrn->module);
+
+ if (pScrn->drv)
+ pScrn->drv->refCount--;
+
+ if (pScrn->privates)
+ xfree(pScrn->privates);
+
+ xf86ClearEntityListForScreen(scrnIndex);
+
+ xfree(pScrn);
+
+ /* Move the other entries down, updating their scrnIndex fields */
+
+ xf86NumScreens--;
+
+ for (i = scrnIndex; i < xf86NumScreens; i++) {
+ xf86Screens[i] = xf86Screens[i + 1];
+ xf86Screens[i]->scrnIndex = i;
+ /* Also need to take care of the screen layout settings */
+ }
+}
+
+/*
+ * Allocate a private in ScrnInfoRec.
+ */
+
+_X_EXPORT int
+xf86AllocateScrnInfoPrivateIndex(void)
+{
+ int idx, i;
+ ScrnInfoPtr pScr;
+ DevUnion *nprivs;
+
+ idx = xf86ScrnInfoPrivateCount++;
+ for (i = 0; i < xf86NumScreens; i++) {
+ pScr = xf86Screens[i];
+ nprivs = xnfrealloc(pScr->privates,
+ xf86ScrnInfoPrivateCount * sizeof(DevUnion));
+ /* Zero the new private */
+ bzero(&nprivs[idx], sizeof(DevUnion));
+ pScr->privates = nprivs;
+ }
+ return idx;
+}
+
+/* Allocate a new InputInfoRec and append it to the tail of xf86InputDevs. */
+_X_EXPORT InputInfoPtr
+xf86AllocateInput(InputDriverPtr drv, int flags)
+{
+ InputInfoPtr new, *prev = NULL;
+
+ if (!(new = xcalloc(sizeof(InputInfoRec), 1)))
+ return NULL;
+
+ new->drv = drv;
+ drv->refCount++;
+ new->module = DuplicateModule(drv->module, NULL);
+
+ for (prev = &xf86InputDevs; *prev; prev = &(*prev)->next)
+ ;
+
+ *prev = new;
+ new->next = NULL;
+
+ return new;
+}
+
+
+/*
+ * Remove an entry from xf86InputDevs. Ideally it should free all allocated
+ * data. To do this properly may require a driver hook.
+ */
+
+_X_EXPORT void
+xf86DeleteInput(InputInfoPtr pInp, int flags)
+{
+ InputInfoPtr p;
+
+ /* First check if the inputdev is valid. */
+ if (pInp == NULL)
+ return;
+
+#if 0
+ /* If a free function is defined, call it here. */
+ if (pInp->free)
+ pInp->free(pInp, 0);
+#endif
+
+ if (pInp->module)
+ UnloadModule(pInp->module);
+
+ if (pInp->drv)
+ pInp->drv->refCount--;
+
+ /* This should *really* be handled in drv->UnInit(dev) call instead */
+#if 0
+ if (pInp->private)
+ xfree(pInp->private);
+#endif
+
+ /* Remove the entry from the list. */
+ if (pInp == xf86InputDevs)
+ xf86InputDevs = pInp->next;
+ else {
+ p = xf86InputDevs;
+ while (p && p->next != pInp)
+ p = p->next;
+ if (p)
+ p->next = pInp->next;
+ /* Else the entry wasn't in the xf86InputDevs list (ignore this). */
+ }
+ xfree(pInp);
+}
+
+_X_EXPORT Bool
+xf86AddPixFormat(ScrnInfoPtr pScrn, int depth, int bpp, int pad)
+{
+ int i;
+
+ if (pScrn->numFormats >= MAXFORMATS)
+ return FALSE;
+
+ if (bpp <= 0) {
+ if (depth == 1)
+ bpp = 1;
+ else if (depth <= 8)
+ bpp = 8;
+ else if (depth <= 16)
+ bpp = 16;
+ else if (depth <= 32)
+ bpp = 32;
+ else
+ return FALSE;
+ }
+ if (pad <= 0)
+ pad = BITMAP_SCANLINE_PAD;
+
+ i = pScrn->numFormats++;
+ pScrn->formats[i].depth = depth;
+ pScrn->formats[i].bitsPerPixel = bpp;
+ pScrn->formats[i].scanlinePad = pad;
+ return TRUE;
+}
+
+/*
+ * Set the depth we are using based on (in the following order of preference):
+ * - values given on the command line
+ * - values given in the config file
+ * - values provided by the driver
+ * - an overall default when nothing else is given
+ *
+ * Also find a Display subsection matching the depth/bpp found.
+ *
+ * Sets the following ScrnInfoRec fields:
+ * bitsPerPixel, pixmap24, depth, display, imageByteOrder,
+ * bitmapScanlinePad, bitmapScanlineUnit, bitmapBitOrder, numFormats,
+ * formats, fbFormat.
+ */
+
+/* Can the screen handle 24 bpp pixmaps */
+#define DO_PIX24(f) ((f & Support24bppFb) || \
+ ((f & Support32bppFb) && (f & SupportConvert24to32)))
+
+/* Can the screen handle 32 bpp pixmaps */
+#define DO_PIX32(f) ((f & Support32bppFb) || \
+ ((f & Support24bppFb) && (f & SupportConvert32to24)))
+
+/* Does the screen prefer 32bpp fb for 24bpp pixmaps */
+#define CHOOSE32FOR24(f) ((f & Support32bppFb) && (f & SupportConvert24to32) \
+ && (f & PreferConvert24to32))
+
+/* Does the screen prefer 24bpp fb for 32bpp pixmaps */
+#define CHOOSE24FOR32(f) ((f & Support24bppFb) && (f & SupportConvert32to24) \
+ && (f & PreferConvert32to24))
+
+/* Can the screen handle 32bpp pixmaps for 24bpp fb */
+#define DO_PIX32FOR24(f) ((f & Support24bppFb) && (f & SupportConvert32to24))
+
+/* Can the screen handle 24bpp pixmaps for 32bpp fb */
+#define DO_PIX24FOR32(f) ((f & Support32bppFb) && (f & SupportConvert24to32))
+
+#ifndef GLOBAL_DEFAULT_DEPTH
+#define GLOBAL_DEFAULT_DEPTH 24
+#endif
+
+#ifndef GLOBAL_DEFAULT_FBBPP
+#define GLOBAL_DEFAULT_FBBPP 32
+#endif
+
+_X_EXPORT Bool
+xf86SetDepthBpp(ScrnInfoPtr scrp, int depth, int dummy, int fbbpp,
+ int depth24flags)
+{
+ int i;
+ DispPtr disp;
+ Pix24Flags pix24 = xf86Info.pixmap24;
+ Bool nomatch = FALSE;
+
+ scrp->bitsPerPixel = -1;
+ scrp->depth = -1;
+ scrp->pixmap24 = Pix24DontCare;
+ scrp->bitsPerPixelFrom = X_DEFAULT;
+ scrp->depthFrom = X_DEFAULT;
+
+ if (xf86FbBpp > 0) {
+ scrp->bitsPerPixel = xf86FbBpp;
+ scrp->bitsPerPixelFrom = X_CMDLINE;
+ }
+
+ if (xf86Depth > 0) {
+ scrp->depth = xf86Depth;
+ scrp->depthFrom = X_CMDLINE;
+ }
+
+ if (xf86FbBpp < 0 && xf86Depth < 0) {
+ if (scrp->confScreen->defaultfbbpp > 0) {
+ scrp->bitsPerPixel = scrp->confScreen->defaultfbbpp;
+ scrp->bitsPerPixelFrom = X_CONFIG;
+ }
+ if (scrp->confScreen->defaultdepth > 0) {
+ scrp->depth = scrp->confScreen->defaultdepth;
+ scrp->depthFrom = X_CONFIG;
+ }
+
+ if (scrp->confScreen->defaultfbbpp <= 0 &&
+ scrp->confScreen->defaultdepth <= 0) {
+ /*
+ * Check for DefaultDepth and DefaultFbBpp options in the
+ * Device sections.
+ */
+ int i;
+ GDevPtr device;
+ Bool found = FALSE;
+
+ for (i = 0; i < scrp->numEntities; i++) {
+ device = xf86GetDevFromEntity(scrp->entityList[i],
+ scrp->entityInstanceList[i]);
+ if (device && device->options) {
+ if (xf86FindOption(device->options, "DefaultDepth")) {
+ scrp->depth = xf86SetIntOption(device->options,
+ "DefaultDepth", -1);
+ scrp->depthFrom = X_CONFIG;
+ found = TRUE;
+ }
+ if (xf86FindOption(device->options, "DefaultFbBpp")) {
+ scrp->bitsPerPixel = xf86SetIntOption(device->options,
+ "DefaultFbBpp",
+ -1);
+ scrp->bitsPerPixelFrom = X_CONFIG;
+ found = TRUE;
+ }
+ }
+ if (found)
+ break;
+ }
+ }
+ }
+
+ /* If none of these is set, pick a default */
+ if (scrp->bitsPerPixel < 0 && scrp->depth < 0) {
+ if (fbbpp > 0 || depth > 0) {
+ if (fbbpp > 0)
+ scrp->bitsPerPixel = fbbpp;
+ if (depth > 0)
+ scrp->depth = depth;
+ } else {
+ scrp->bitsPerPixel = GLOBAL_DEFAULT_FBBPP;
+ scrp->depth = GLOBAL_DEFAULT_DEPTH;
+ }
+ }
+
+ /* If any are not given, determine a default for the others */
+
+ if (scrp->bitsPerPixel < 0) {
+ /* The depth must be set */
+ if (scrp->depth > -1) {
+ if (scrp->depth == 1)
+ scrp->bitsPerPixel = 1;
+ else if (scrp->depth <= 4)
+ scrp->bitsPerPixel = 4;
+ else if (scrp->depth <= 8)
+ scrp->bitsPerPixel = 8;
+ else if (scrp->depth <= 16)
+ scrp->bitsPerPixel = 16;
+ else if (scrp->depth <= 24) {
+ /*
+ * Figure out if a choice is possible based on the depth24
+ * and pix24 flags.
+ */
+ /* Check pix24 first */
+ if (pix24 != Pix24DontCare) {
+ if (pix24 == Pix24Use32) {
+ if (DO_PIX32(depth24flags)) {
+ if (CHOOSE24FOR32(depth24flags))
+ scrp->bitsPerPixel = 24;
+ else
+ scrp->bitsPerPixel = 32;
+ } else {
+ nomatch = TRUE;
+ }
+ } else if (pix24 == Pix24Use24) {
+ if (DO_PIX24(depth24flags)) {
+ if (CHOOSE32FOR24(depth24flags))
+ scrp->bitsPerPixel = 32;
+ else
+ scrp->bitsPerPixel = 24;
+ } else {
+ nomatch = TRUE;
+ }
+ }
+ } else {
+ if (DO_PIX32(depth24flags)) {
+ if (CHOOSE24FOR32(depth24flags))
+ scrp->bitsPerPixel = 24;
+ else
+ scrp->bitsPerPixel = 32;
+ } else if (DO_PIX24(depth24flags)) {
+ if (CHOOSE32FOR24(depth24flags))
+ scrp->bitsPerPixel = 32;
+ else
+ scrp->bitsPerPixel = 24;
+ }
+ }
+ } else if (scrp->depth <= 32)
+ scrp->bitsPerPixel = 32;
+ else {
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Specified depth (%d) is greater than 32\n",
+ scrp->depth);
+ return FALSE;
+ }
+ } else {
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "xf86SetDepthBpp: internal error: depth and fbbpp"
+ " are both not set\n");
+ return FALSE;
+ }
+ if (scrp->bitsPerPixel < 0) {
+ if (nomatch)
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Driver can't support depth 24 pixmap format (%d)\n",
+ PIX24TOBPP(pix24));
+ else if ((depth24flags & (Support24bppFb | Support32bppFb)) ==
+ NoDepth24Support)
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Driver can't support depth 24\n");
+ else
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Can't find fbbpp for depth 24\n");
+ return FALSE;
+ }
+ scrp->bitsPerPixelFrom = X_PROBED;
+ }
+
+ if (scrp->depth <= 0) {
+ /* bitsPerPixel is already set */
+ switch (scrp->bitsPerPixel) {
+ case 32:
+ scrp->depth = 24;
+ break;
+ default:
+ /* 1, 4, 8, 16 and 24 */
+ scrp->depth = scrp->bitsPerPixel;
+ break;
+ }
+ scrp->depthFrom = X_PROBED;
+ }
+
+ /* Sanity checks */
+ if (scrp->depth < 1 || scrp->depth > 32) {
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Specified depth (%d) is not in the range 1-32\n",
+ scrp->depth);
+ return FALSE;
+ }
+ switch (scrp->bitsPerPixel) {
+ case 1:
+ case 4:
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ break;
+ default:
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Specified fbbpp (%d) is not a permitted value\n",
+ scrp->bitsPerPixel);
+ return FALSE;
+ }
+ if (scrp->depth > scrp->bitsPerPixel) {
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Specified depth (%d) is greater than the fbbpp (%d)\n",
+ scrp->depth, scrp->bitsPerPixel);
+ return FALSE;
+ }
+
+ /* set scrp->pixmap24 if the driver isn't flexible */
+ if (scrp->bitsPerPixel == 24 && !DO_PIX32FOR24(depth24flags)) {
+ scrp->pixmap24 = Pix24Use24;
+ }
+ if (scrp->bitsPerPixel == 32 && !DO_PIX24FOR32(depth24flags)) {
+ scrp->pixmap24 = Pix24Use32;
+ }
+
+ /*
+ * Find the Display subsection matching the depth/fbbpp and initialise
+ * scrp->display with it.
+ */
+ for (i = 0, disp = scrp->confScreen->displays;
+ i < scrp->confScreen->numdisplays; i++, disp++) {
+ if ((disp->depth == scrp->depth && disp->fbbpp == scrp->bitsPerPixel)
+ || (disp->depth == scrp->depth && disp->fbbpp <= 0)
+ || (disp->fbbpp == scrp->bitsPerPixel && disp->depth <= 0)) {
+ scrp->display = disp;
+ break;
+ }
+ }
+
+ /*
+ * If an exact match can't be found, see if there is one with no
+ * depth or fbbpp specified.
+ */
+ if (i == scrp->confScreen->numdisplays) {
+ for (i = 0, disp = scrp->confScreen->displays;
+ i < scrp->confScreen->numdisplays; i++, disp++) {
+ if (disp->depth <= 0 && disp->fbbpp <= 0) {
+ scrp->display = disp;
+ break;
+ }
+ }
+ }
+
+ /*
+ * If all else fails, create a default one.
+ */
+ if (i == scrp->confScreen->numdisplays) {
+ scrp->confScreen->numdisplays++;
+ scrp->confScreen->displays =
+ xnfrealloc(scrp->confScreen->displays,
+ scrp->confScreen->numdisplays * sizeof(DispRec));
+ xf86DrvMsg(scrp->scrnIndex, X_INFO,
+ "Creating default Display subsection in Screen section\n"
+ "\t\"%s\" for depth/fbbpp %d/%d\n",
+ scrp->confScreen->id, scrp->depth, scrp->bitsPerPixel);
+ memset(&scrp->confScreen->displays[i], 0, sizeof(DispRec));
+ scrp->confScreen->displays[i].blackColour.red = -1;
+ scrp->confScreen->displays[i].blackColour.green = -1;
+ scrp->confScreen->displays[i].blackColour.blue = -1;
+ scrp->confScreen->displays[i].whiteColour.red = -1;
+ scrp->confScreen->displays[i].whiteColour.green = -1;
+ scrp->confScreen->displays[i].whiteColour.blue = -1;
+ scrp->confScreen->displays[i].defaultVisual = -1;
+ scrp->confScreen->displays[i].modes = xnfalloc(sizeof(char *));
+ scrp->confScreen->displays[i].modes[0] = NULL;
+ scrp->confScreen->displays[i].depth = depth;
+ scrp->confScreen->displays[i].fbbpp = fbbpp;
+ scrp->display = &scrp->confScreen->displays[i];
+ }
+
+ /*
+ * Setup defaults for the display-wide attributes the framebuffer will
+ * need. These defaults should eventually be set globally, and not
+ * dependent on the screens.
+ */
+ scrp->imageByteOrder = IMAGE_BYTE_ORDER;
+ scrp->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
+ if (scrp->depth < 8) {
+ /* Planar modes need these settings */
+ scrp->bitmapScanlineUnit = 8;
+ scrp->bitmapBitOrder = MSBFirst;
+ } else {
+ scrp->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
+ scrp->bitmapBitOrder = BITMAP_BIT_ORDER;
+ }
+
+ /*
+ * If an unusual depth is required, add it to scrp->formats. The formats
+ * for the common depths are handled globally in InitOutput
+ */
+ switch (scrp->depth) {
+ case 1:
+ case 4:
+ case 8:
+ case 15:
+ case 16:
+ case 24:
+ /* Common depths. Nothing to do for them */
+ break;
+ default:
+ if (!xf86AddPixFormat(scrp, scrp->depth, 0, 0)) {
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Can't add pixmap format for depth %d\n", scrp->depth);
+ return FALSE;
+ }
+ }
+
+ /* Initialise the framebuffer format for this screen */
+ scrp->fbFormat.depth = scrp->depth;
+ scrp->fbFormat.bitsPerPixel = scrp->bitsPerPixel;
+ scrp->fbFormat.scanlinePad = BITMAP_SCANLINE_PAD;
+
+ return TRUE;
+}
+
+/*
+ * Print out the selected depth and bpp.
+ */
+_X_EXPORT void
+xf86PrintDepthBpp(ScrnInfoPtr scrp)
+{
+ xf86DrvMsg(scrp->scrnIndex, scrp->depthFrom, "Depth %d, ", scrp->depth);
+ xf86Msg(scrp->bitsPerPixelFrom, "framebuffer bpp %d\n", scrp->bitsPerPixel);
+}
+
+/*
+ * xf86SetWeight sets scrp->weight, scrp->mask, scrp->offset, and for depths
+ * greater than MAX_PSEUDO_DEPTH also scrp->rgbBits.
+ */
+_X_EXPORT Bool
+xf86SetWeight(ScrnInfoPtr scrp, rgb weight, rgb mask)
+{
+ MessageType weightFrom = X_DEFAULT;
+
+ scrp->weight.red = 0;
+ scrp->weight.green = 0;
+ scrp->weight.blue = 0;
+
+ if (xf86Weight.red > 0 && xf86Weight.green > 0 && xf86Weight.blue > 0) {
+ scrp->weight = xf86Weight;
+ weightFrom = X_CMDLINE;
+ } else if (scrp->display->weight.red > 0 && scrp->display->weight.green > 0
+ && scrp->display->weight.blue > 0) {
+ scrp->weight = scrp->display->weight;
+ weightFrom = X_CONFIG;
+ } else if (weight.red > 0 && weight.green > 0 && weight.blue > 0) {
+ scrp->weight = weight;
+ } else {
+ switch (scrp->depth) {
+ case 1:
+ case 4:
+ case 8:
+ scrp->weight.red = scrp->weight.green =
+ scrp->weight.blue = scrp->rgbBits;
+ break;
+ case 15:
+ scrp->weight.red = scrp->weight.green = scrp->weight.blue = 5;
+ break;
+ case 16:
+ scrp->weight.red = scrp->weight.blue = 5;
+ scrp->weight.green = 6;
+ break;
+ case 24:
+ scrp->weight.red = scrp->weight.green = scrp->weight.blue = 8;
+ break;
+ case 30:
+ scrp->weight.red = scrp->weight.green = scrp->weight.blue = 10;
+ break;
+ }
+ }
+
+ if (scrp->weight.red)
+ xf86DrvMsg(scrp->scrnIndex, weightFrom, "RGB weight %d%d%d\n",
+ (int)scrp->weight.red, (int)scrp->weight.green,
+ (int)scrp->weight.blue);
+
+ if (scrp->depth > MAX_PSEUDO_DEPTH &&
+ (scrp->depth != scrp->weight.red + scrp->weight.green +
+ scrp->weight.blue)) {
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Weight given (%d%d%d) is inconsistent with the "
+ "depth (%d)\n",
+ (int)scrp->weight.red, (int)scrp->weight.green,
+ (int)scrp->weight.blue, scrp->depth);
+ return FALSE;
+ }
+ if (scrp->depth > MAX_PSEUDO_DEPTH && scrp->weight.red) {
+ /*
+ * XXX Does this even mean anything for TrueColor visuals?
+ * If not, we shouldn't even be setting it here. However, this
+ * matches the behaviour of 3.x versions of XFree86.
+ */
+ scrp->rgbBits = scrp->weight.red;
+ if (scrp->weight.green > scrp->rgbBits)
+ scrp->rgbBits = scrp->weight.green;
+ if (scrp->weight.blue > scrp->rgbBits)
+ scrp->rgbBits = scrp->weight.blue;
+ }
+
+ /* Set the mask and offsets */
+ if (mask.red == 0 || mask.green == 0 || mask.blue == 0) {
+ /* Default to a setting common to PC hardware */
+ scrp->offset.red = scrp->weight.green + scrp->weight.blue;
+ scrp->offset.green = scrp->weight.blue;
+ scrp->offset.blue = 0;
+ scrp->mask.red = ((1 << scrp->weight.red) - 1) << scrp->offset.red;
+ scrp->mask.green = ((1 << scrp->weight.green) - 1)
+ << scrp->offset.green;
+ scrp->mask.blue = (1 << scrp->weight.blue) - 1;
+ } else {
+ /* Initialise to the values passed */
+ scrp->mask.red = mask.red;
+ scrp->mask.green = mask.green;
+ scrp->mask.blue = mask.blue;
+ scrp->offset.red = ffs(mask.red);
+ scrp->offset.green = ffs(mask.green);
+ scrp->offset.blue = ffs(mask.blue);
+ }
+ return TRUE;
+}
+
+_X_EXPORT Bool
+xf86SetDefaultVisual(ScrnInfoPtr scrp, int visual)
+{
+ MessageType visualFrom = X_DEFAULT;
+
+ if (defaultColorVisualClass >= 0) {
+ scrp->defaultVisual = defaultColorVisualClass;
+ visualFrom = X_CMDLINE;
+ } else if (scrp->display->defaultVisual >= 0) {
+ scrp->defaultVisual = scrp->display->defaultVisual;
+ visualFrom = X_CONFIG;
+ } else if (visual >= 0) {
+ scrp->defaultVisual = visual;
+ } else {
+ if (scrp->depth == 1)
+ scrp->defaultVisual = StaticGray;
+ else if (scrp->depth == 4)
+ scrp->defaultVisual = StaticColor;
+ else if (scrp->depth <= MAX_PSEUDO_DEPTH)
+ scrp->defaultVisual = PseudoColor;
+ else
+ scrp->defaultVisual = TrueColor;
+ }
+ switch (scrp->defaultVisual) {
+ case StaticGray:
+ case GrayScale:
+ case StaticColor:
+ case PseudoColor:
+ case TrueColor:
+ case DirectColor:
+ xf86DrvMsg(scrp->scrnIndex, visualFrom, "Default visual is %s\n",
+ xf86VisualNames[scrp->defaultVisual]);
+ return TRUE;
+ default:
+
+ xf86DrvMsg(scrp->scrnIndex, X_ERROR,
+ "Invalid default visual class (%d)\n", scrp->defaultVisual);
+ return FALSE;
+ }
+}
+
+#define TEST_GAMMA(g) \
+ (g).red > GAMMA_ZERO || (g).green > GAMMA_ZERO || (g).blue > GAMMA_ZERO
+
+#define SET_GAMMA(g) \
+ (g) > GAMMA_ZERO ? (g) : 1.0
+
+_X_EXPORT Bool
+xf86SetGamma(ScrnInfoPtr scrp, Gamma gamma)
+{
+ MessageType from = X_DEFAULT;
+#if 0
+ xf86MonPtr DDC = (xf86MonPtr)(scrp->monitor->DDC);
+#endif
+ if (TEST_GAMMA(xf86Gamma)) {
+ from = X_CMDLINE;
+ scrp->gamma.red = SET_GAMMA(xf86Gamma.red);
+ scrp->gamma.green = SET_GAMMA(xf86Gamma.green);
+ scrp->gamma.blue = SET_GAMMA(xf86Gamma.blue);
+ } else if (TEST_GAMMA(scrp->monitor->gamma)) {
+ from = X_CONFIG;
+ scrp->gamma.red = SET_GAMMA(scrp->monitor->gamma.red);
+ scrp->gamma.green = SET_GAMMA(scrp->monitor->gamma.green);
+ scrp->gamma.blue = SET_GAMMA(scrp->monitor->gamma.blue);
+#if 0
+ } else if ( DDC && DDC->features.gamma > GAMMA_ZERO ) {
+ from = X_PROBED;
+ scrp->gamma.red = SET_GAMMA(DDC->features.gamma);
+ scrp->gamma.green = SET_GAMMA(DDC->features.gamma);
+ scrp->gamma.blue = SET_GAMMA(DDC->features.gamma);
+ /* EDID structure version 2 gives optional seperate red, green & blue gamma values
+ * in bytes 0x57-0x59 */
+#endif
+ } else if (TEST_GAMMA(gamma)) {
+ scrp->gamma.red = SET_GAMMA(gamma.red);
+ scrp->gamma.green = SET_GAMMA(gamma.green);
+ scrp->gamma.blue = SET_GAMMA(gamma.blue);
+ } else {
+ scrp->gamma.red = 1.0;
+ scrp->gamma.green = 1.0;
+ scrp->gamma.blue = 1.0;
+ }
+ xf86DrvMsg(scrp->scrnIndex, from,
+ "Using gamma correction (%.1f, %.1f, %.1f)\n",
+ scrp->gamma.red, scrp->gamma.green, scrp->gamma.blue);
+
+ return TRUE;
+}
+
+#undef TEST_GAMMA
+#undef SET_GAMMA
+
+
+/*
+ * Set the DPI from the command line option. XXX should allow it to be
+ * calculated from the widthmm/heightmm values.
+ */
+
+#undef MMPERINCH
+#define MMPERINCH 25.4
+
+_X_EXPORT void
+xf86SetDpi(ScrnInfoPtr pScrn, int x, int y)
+{
+ MessageType from = X_DEFAULT;
+ xf86MonPtr DDC = (xf86MonPtr)(pScrn->monitor->DDC);
+ int ddcWidthmm, ddcHeightmm;
+ int widthErr, heightErr;
+
+ /* XXX Maybe there is no need for widthmm/heightmm in ScrnInfoRec */
+ pScrn->widthmm = pScrn->monitor->widthmm;
+ pScrn->heightmm = pScrn->monitor->heightmm;
+
+ if (DDC && (DDC->features.hsize > 0 && DDC->features.vsize > 0) ) {
+ /* DDC gives display size in mm for individual modes,
+ * but cm for monitor
+ */
+ ddcWidthmm = DDC->features.hsize * 10; /* 10mm in 1cm */
+ ddcHeightmm = DDC->features.vsize * 10; /* 10mm in 1cm */
+ } else {
+ ddcWidthmm = ddcHeightmm = 0;
+ }
+
+ if (monitorResolution > 0) {
+ pScrn->xDpi = monitorResolution;
+ pScrn->yDpi = monitorResolution;
+ from = X_CMDLINE;
+ } else if (pScrn->widthmm > 0 || pScrn->heightmm > 0) {
+ from = X_CONFIG;
+ if (pScrn->widthmm > 0) {
+ pScrn->xDpi =
+ (int)((double)pScrn->virtualX * MMPERINCH / pScrn->widthmm);
+ }
+ if (pScrn->heightmm > 0) {
+ pScrn->yDpi =
+ (int)((double)pScrn->virtualY * MMPERINCH / pScrn->heightmm);
+ }
+ if (pScrn->xDpi > 0 && pScrn->yDpi <= 0)
+ pScrn->yDpi = pScrn->xDpi;
+ if (pScrn->yDpi > 0 && pScrn->xDpi <= 0)
+ pScrn->xDpi = pScrn->yDpi;
+ xf86DrvMsg(pScrn->scrnIndex, from, "Display dimensions: (%d, %d) mm\n",
+ pScrn->widthmm, pScrn->heightmm);
+
+ /* Warn if config and probe disagree about display size */
+ if ( ddcWidthmm && ddcHeightmm ) {
+ if (pScrn->widthmm > 0) {
+ widthErr = abs(ddcWidthmm - pScrn->widthmm);
+ } else {
+ widthErr = 0;
+ }
+ if (pScrn->heightmm > 0) {
+ heightErr = abs(ddcHeightmm - pScrn->heightmm);
+ } else {
+ heightErr = 0;
+ }
+ if (widthErr>10 || heightErr>10) {
+ /* Should include config file name for monitor here */
+ xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+ "Probed monitor is %dx%d mm, using Displaysize %dx%d mm\n",
+ ddcWidthmm,ddcHeightmm, pScrn->widthmm,pScrn->heightmm);
+ }
+ }
+ } else if ( ddcWidthmm && ddcHeightmm ) {
+ from = X_PROBED;
+ xf86DrvMsg(pScrn->scrnIndex, from, "Display dimensions: (%d, %d) mm\n",
+ ddcWidthmm, ddcHeightmm );
+ pScrn->widthmm = ddcWidthmm;
+ pScrn->heightmm = ddcHeightmm;
+ if (pScrn->widthmm > 0) {
+ pScrn->xDpi =
+ (int)((double)pScrn->virtualX * MMPERINCH / pScrn->widthmm);
+ }
+ if (pScrn->heightmm > 0) {
+ pScrn->yDpi =
+ (int)((double)pScrn->virtualY * MMPERINCH / pScrn->heightmm);
+ }
+ if (pScrn->xDpi > 0 && pScrn->yDpi <= 0)
+ pScrn->yDpi = pScrn->xDpi;
+ if (pScrn->yDpi > 0 && pScrn->xDpi <= 0)
+ pScrn->xDpi = pScrn->yDpi;
+ } else {
+ if (x > 0)
+ pScrn->xDpi = x;
+ else
+ pScrn->xDpi = DEFAULT_DPI;
+ if (y > 0)
+ pScrn->yDpi = y;
+ else
+ pScrn->yDpi = DEFAULT_DPI;
+ }
+ xf86DrvMsg(pScrn->scrnIndex, from, "DPI set to (%d, %d)\n",
+ pScrn->xDpi, pScrn->yDpi);
+}
+
+#undef MMPERINCH
+
+
+_X_EXPORT void
+xf86SetBlackWhitePixels(ScreenPtr pScreen)
+{
+ if (xf86FlipPixels) {
+ pScreen->whitePixel = 0;
+ pScreen->blackPixel = 1;
+ } else {
+ pScreen->whitePixel = 1;
+ pScreen->blackPixel = 0;
+ }
+}
+
+/*
+ * xf86SetRootClip --
+ * Enable or disable rendering to the screen by
+ * setting the root clip list and revalidating
+ * all of the windows
+ */
+
+static void
+xf86SetRootClip (ScreenPtr pScreen, Bool enable)
+{
+ WindowPtr pWin = WindowTable[pScreen->myNum];
+ WindowPtr pChild;
+ Bool WasViewable = (Bool)(pWin->viewable);
+ Bool anyMarked = FALSE;
+#ifdef DO_SAVE_UNDERS
+ Bool dosave = FALSE;
+#endif
+ WindowPtr pLayerWin;
+ BoxRec box;
+
+ if (WasViewable)
+ {
+ for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
+ {
+ (void) (*pScreen->MarkOverlappedWindows)(pChild,
+ pChild,
+ &pLayerWin);
+ }
+ (*pScreen->MarkWindow) (pWin);
+ anyMarked = TRUE;
+ if (pWin->valdata)
+ {
+ if (HasBorder (pWin))
+ {
+ RegionPtr borderVisible;
+
+ borderVisible = REGION_CREATE(pScreen, NullBox, 1);
+ REGION_SUBTRACT(pScreen, borderVisible,
+ &pWin->borderClip, &pWin->winSize);
+ pWin->valdata->before.borderVisible = borderVisible;
+ }
+ pWin->valdata->before.resized = TRUE;
+ }
+ }
+
+ /*
+ * Use REGION_BREAK to avoid optimizations in ValidateTree
+ * that assume the root borderClip can't change well, normally
+ * it doesn't...)
+ */
+ if (enable)
+ {
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = pScreen->width;
+ box.y2 = pScreen->height;
+ REGION_INIT (pScreen, &pWin->winSize, &box, 1);
+ REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
+ if (WasViewable)
+ REGION_RESET(pScreen, &pWin->borderClip, &box);
+ pWin->drawable.width = pScreen->width;
+ pWin->drawable.height = pScreen->height;
+ REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
+ }
+ else
+ {
+ REGION_EMPTY(pScreen, &pWin->borderClip);
+ REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
+ }
+
+ ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
+
+ if (WasViewable)
+ {
+ if (pWin->firstChild)
+ {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
+ pWin->firstChild,
+ (WindowPtr *)NULL);
+ }
+ else
+ {
+ (*pScreen->MarkWindow) (pWin);
+ anyMarked = TRUE;
+ }
+
+#ifdef DO_SAVE_UNDERS
+ if (DO_SAVE_UNDERS(pWin))
+ {
+ dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
+ }
+#endif /* DO_SAVE_UNDERS */
+
+ if (anyMarked)
+ (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
+ }
+
+ if (WasViewable)
+ {
+ if (anyMarked)
+ (*pScreen->HandleExposures)(pWin);
+#ifdef DO_SAVE_UNDERS
+ if (dosave)
+ (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
+#endif /* DO_SAVE_UNDERS */
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+ FlushAllOutput ();
+}
+
+/*
+ * Function to enable/disable access to the frame buffer
+ *
+ * This is used when VT switching and when entering/leaving DGA direct mode.
+ *
+ * This has been rewritten again to eliminate the saved pixmap. The
+ * devPrivate field in the screen pixmap is set to NULL to catch code
+ * accidentally referencing the frame buffer while the X server is not
+ * supposed to touch it.
+ *
+ * Here, we exchange the pixmap private data, rather than the pixmaps
+ * themselves to avoid having to find and change any references to the screen
+ * pixmap such as GC's, window privates etc. This also means that this code
+ * does not need to know exactly how the pixmap pixels are accessed. Further,
+ * this exchange is >not< done through the screen's ModifyPixmapHeader()
+ * vector. This means the called frame buffer code layers can determine
+ * whether they are switched in or out by keeping track of the root pixmap's
+ * private data, and therefore don't need to access pScrnInfo->vtSema.
+ */
+_X_EXPORT void
+xf86EnableDisableFBAccess(int scrnIndex, Bool enable)
+{
+ ScrnInfoPtr pScrnInfo = xf86Screens[scrnIndex];
+ ScreenPtr pScreen = pScrnInfo->pScreen;
+ PixmapPtr pspix;
+
+ pspix = (*pScreen->GetScreenPixmap) (pScreen);
+ if (enable)
+ {
+ /*
+ * Restore the screen pixmap devPrivate field
+ */
+ pspix->devPrivate = pScrnInfo->pixmapPrivate;
+ /*
+ * Restore all of the clip lists on the screen
+ */
+ if (!xf86Resetting)
+ xf86SetRootClip (pScreen, TRUE);
+
+ }
+ else
+ {
+ /*
+ * Empty all of the clip lists on the screen
+ */
+ xf86SetRootClip (pScreen, FALSE);
+ /*
+ * save the screen pixmap devPrivate field and
+ * replace it with NULL so accidental references
+ * to the frame buffer are caught
+ */
+ pScrnInfo->pixmapPrivate = pspix->devPrivate;
+ pspix->devPrivate.ptr = NULL;
+ }
+}
+
+/* Print driver messages in the standard format */
+
+#undef PREFIX_SIZE
+#define PREFIX_SIZE 14
+
+_X_EXPORT void
+xf86VDrvMsgVerb(int scrnIndex, MessageType type, int verb, const char *format,
+ va_list args)
+{
+ char *tmpFormat;
+
+ /* Prefix the scrnIndex name to the format string. */
+ if (scrnIndex >= 0 && scrnIndex < xf86NumScreens &&
+ xf86Screens[scrnIndex]->name) {
+ tmpFormat = xalloc(strlen(format) +
+ strlen(xf86Screens[scrnIndex]->name) +
+ PREFIX_SIZE + 1);
+ if (!tmpFormat)
+ return;
+
+ snprintf(tmpFormat, PREFIX_SIZE + 1, "%s(%d): ",
+ xf86Screens[scrnIndex]->name, scrnIndex);
+
+ strcat(tmpFormat, format);
+ LogVMessageVerb(type, verb, tmpFormat, args);
+ xfree(tmpFormat);
+ } else
+ LogVMessageVerb(type, verb, format, args);
+}
+#undef PREFIX_SIZE
+
+/* Print driver messages, with verbose level specified directly */
+_X_EXPORT void
+xf86DrvMsgVerb(int scrnIndex, MessageType type, int verb, const char *format,
+ ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VDrvMsgVerb(scrnIndex, type, verb, format, ap);
+ va_end(ap);
+}
+
+/* Print driver messages, with verbose level of 1 (default) */
+_X_EXPORT void
+xf86DrvMsg(int scrnIndex, MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VDrvMsgVerb(scrnIndex, type, 1, format, ap);
+ va_end(ap);
+}
+
+/* Print non-driver messages with verbose level specified directly */
+_X_EXPORT void
+xf86MsgVerb(MessageType type, int verb, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VDrvMsgVerb(-1, type, verb, format, ap);
+ va_end(ap);
+}
+
+/* Print non-driver messages with verbose level of 1 (default) */
+_X_EXPORT void
+xf86Msg(MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VDrvMsgVerb(-1, type, 1, format, ap);
+ va_end(ap);
+}
+
+/* Just like ErrorF, but with the verbose level checked */
+_X_EXPORT void
+xf86ErrorFVerb(int verb, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ if (xf86Verbose >= verb || xf86LogVerbose >= verb)
+ LogVWrite(verb, format, ap);
+ va_end(ap);
+}
+
+/* Like xf86ErrorFVerb, but with an implied verbose level of 1 */
+_X_EXPORT void
+xf86ErrorF(const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ if (xf86Verbose >= 1 || xf86LogVerbose >= 1)
+ LogVWrite(1, format, ap);
+ va_end(ap);
+}
+
+
+void
+xf86LogInit()
+{
+ char *lf = NULL;
+
+#define LOGSUFFIX ".log"
+#define LOGOLDSUFFIX ".old"
+
+ /* Get the log file name */
+ if (xf86LogFileFrom == X_DEFAULT) {
+ /* Append the display number and ".log" */
+ lf = malloc(strlen(xf86LogFile) + strlen("%s") +
+ strlen(LOGSUFFIX) + 1);
+ if (!lf)
+ FatalError("Cannot allocate space for the log file name\n");
+ sprintf(lf, "%s%%s" LOGSUFFIX, xf86LogFile);
+ xf86LogFile = lf;
+ }
+
+ xf86LogFile = LogInit(xf86LogFile, LOGOLDSUFFIX);
+ xf86LogFileWasOpened = TRUE;
+
+ xf86SetVerbosity(xf86Verbose);
+ xf86SetLogVerbosity(xf86LogVerbose);
+
+#undef LOGSUFFIX
+#undef LOGOLDSUFFIX
+
+ free(lf);
+}
+
+void
+xf86CloseLog()
+{
+ LogClose();
+}
+
+
+/*
+ * Drivers can use these for using their own SymTabRecs.
+ */
+
+_X_EXPORT const char *
+xf86TokenToString(SymTabPtr table, int token)
+{
+ int i;
+
+ for (i = 0; table[i].token >= 0 && table[i].token != token; i++)
+ ;
+
+ if (table[i].token < 0)
+ return NULL;
+ else
+ return(table[i].name);
+}
+
+_X_EXPORT int
+xf86StringToToken(SymTabPtr table, const char *string)
+{
+ int i;
+
+ if (string == NULL)
+ return -1;
+
+ for (i = 0; table[i].token >= 0 && xf86NameCmp(string, table[i].name); i++)
+ ;
+
+ return(table[i].token);
+}
+
+/*
+ * helper to display the clocks found on a card
+ */
+_X_EXPORT void
+xf86ShowClocks(ScrnInfoPtr scrp, MessageType from)
+{
+ int j;
+
+ xf86DrvMsg(scrp->scrnIndex, from, "Pixel clocks available:");
+ for (j=0; j < scrp->numClocks; j++) {
+ if ((j % 4) == 0) {
+ xf86ErrorF("\n");
+ xf86DrvMsg(scrp->scrnIndex, from, "pixel clocks:");
+ }
+ xf86ErrorF(" %7.3f", (double)scrp->clock[j] / 1000.0);
+ }
+ xf86ErrorF("\n");
+}
+
+
+/*
+ * This prints out the driver identify message, including the names of
+ * the supported chipsets.
+ *
+ * XXX This makes assumptions about the line width, etc. Maybe we could
+ * use a more general "pretty print" function for messages.
+ */
+_X_EXPORT void
+xf86PrintChipsets(const char *drvname, const char *drvmsg, SymTabPtr chips)
+{
+ int len, i;
+
+ len = 6 + strlen(drvname) + 2 + strlen(drvmsg) + 2;
+ xf86Msg(X_INFO, "%s: %s:", drvname, drvmsg);
+ for (i = 0; chips[i].name != NULL; i++) {
+ if (i != 0) {
+ xf86ErrorF(",");
+ len++;
+ }
+ if (len + 2 + strlen(chips[i].name) < 78) {
+ xf86ErrorF(" ");
+ len++;
+ } else {
+ xf86ErrorF("\n\t");
+ len = 8;
+ }
+ xf86ErrorF("%s", chips[i].name);
+ len += strlen(chips[i].name);
+ }
+ xf86ErrorF("\n");
+}
+
+
+_X_EXPORT int
+xf86MatchDevice(const char *drivername, GDevPtr **sectlist)
+{
+ GDevPtr gdp, *pgdp = NULL;
+ confScreenPtr screensecptr;
+ int i,j;
+
+ if (sectlist)
+ *sectlist = NULL;
+
+ if (xf86DoModalias) return 0;
+
+ if (xf86DoProbe) return 1;
+
+ if (xf86DoConfigure && xf86DoConfigurePass1) return 1;
+
+ /*
+ * This is a very important function that matches the device sections
+ * as they show up in the config file with the drivers that the server
+ * loads at run time.
+ *
+ * ChipProbe can call
+ * int xf86MatchDevice(char * drivername, GDevPtr ** sectlist)
+ * with its driver name. The function allocates an array of GDevPtr and
+ * returns this via sectlist and returns the number of elements in
+ * this list as return value. 0 means none found, -1 means fatal error.
+ *
+ * It can figure out which of the Device sections to use for which card
+ * (using things like the Card statement, etc). For single headed servers
+ * there will of course be just one such Device section.
+ */
+ i = 0;
+
+ /*
+ * first we need to loop over all the Screens sections to get to all
+ * 'active' device sections
+ */
+ for (j=0; xf86ConfigLayout.screens[j].screen != NULL; j++) {
+ screensecptr = xf86ConfigLayout.screens[j].screen;
+ if ((screensecptr->device->driver != NULL)
+ && (xf86NameCmp( screensecptr->device->driver,drivername) == 0)
+ && (! screensecptr->device->claimed)) {
+ /*
+ * we have a matching driver that wasn't claimed, yet
+ */
+ pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
+ pgdp[i++] = screensecptr->device;
+ }
+ }
+
+ /* Then handle the inactive devices */
+ j = 0;
+ while (xf86ConfigLayout.inactives[j].identifier) {
+ gdp = &xf86ConfigLayout.inactives[j];
+ if (gdp->driver && !gdp->claimed &&
+ !xf86NameCmp(gdp->driver,drivername)) {
+ /* we have a matching driver that wasn't claimed yet */
+ pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
+ pgdp[i++] = gdp;
+ }
+ j++;
+ }
+
+ /*
+ * make the array NULL terminated and return its address
+ */
+ if (i)
+ pgdp[i] = NULL;
+
+ if (sectlist)
+ *sectlist = pgdp;
+ else
+ xfree(pgdp);
+ return i;
+}
+
+struct Inst {
+ struct pci_device * pci;
+ GDevPtr dev;
+ Bool foundHW; /* PCIid in list of supported chipsets */
+ Bool claimed; /* BusID matches with a device section */
+ int chip;
+ int screen;
+};
+
+
+/**
+ * Find set of unclaimed devices matching a given vendor ID.
+ *
+ * Used by drivers to find as yet unclaimed devices matching the specified
+ * vendor ID.
+ *
+ * \param driverName Name of the driver. This is used to find Device
+ * sections in the config file.
+ * \param vendorID PCI vendor ID of associated devices. If zero, then
+ * the true vendor ID must be encoded in the \c PCIid
+ * fields of the \c PCIchipsets entries.
+ * \param chipsets Symbol table used to associate chipset names with
+ * PCI IDs.
+ * \param devList List of Device sections parsed from the config file.
+ * \param numDevs Number of entries in \c devList.
+ * \param drvp Pointer the driver's control structure.
+ * \param foundEntities Returned list of entity indicies associated with the
+ * driver.
+ *
+ * \returns
+ * The number of elements in returned in \c foundEntities on success or zero
+ * on failure.
+ *
+ * \todo
+ * This function does a bit more than short description says. Fill in some
+ * more of the details of its operation.
+ *
+ * \todo
+ * The \c driverName parameter is redundant. It is the same as
+ * \c DriverRec::driverName. In a future version of this function, remove
+ * that parameter.
+ */
+_X_EXPORT int
+xf86MatchPciInstances(const char *driverName, int vendorID,
+ SymTabPtr chipsets, PciChipsets *PCIchipsets,
+ GDevPtr *devList, int numDevs, DriverPtr drvp,
+ int **foundEntities)
+{
+ int i,j;
+ struct pci_device * pPci;
+ struct pci_device_iterator *iter;
+ struct Inst *instances = NULL;
+ int numClaimedInstances = 0;
+ int allocatedInstances = 0;
+ int numFound = 0;
+ SymTabRec *c;
+ PciChipsets *id;
+ int *retEntities = NULL;
+
+ *foundEntities = NULL;
+
+
+ /* Each PCI device will contribute at least one entry. Each device
+ * section can contribute at most one entry. The sum of the two is
+ * guaranteed to be larger than the maximum possible number of entries.
+ * Do this calculation and memory allocation once now to eliminate the
+ * need for realloc calls inside the loop.
+ */
+ if ( !xf86DoProbe && !(xf86DoConfigure && xf86DoConfigurePass1) ) {
+ unsigned max_entries = numDevs;
+
+ iter = pci_slot_match_iterator_create(NULL);
+ while ((pPci = pci_device_next(iter)) != NULL) {
+ max_entries++;
+ }
+
+ pci_iterator_destroy(iter);
+ instances = xnfalloc(max_entries * sizeof(struct Inst));
+ }
+
+ iter = pci_slot_match_iterator_create(NULL);
+ while ((pPci = pci_device_next(iter)) != NULL) {
+ unsigned device_class = pPci->device_class;
+ Bool foundVendor = FALSE;
+
+
+ /* Convert the pre-PCI 2.0 device class for a VGA adapter to the
+ * 2.0 version of the same class.
+ */
+ if ( device_class == 0x00000101 ) {
+ device_class = 0x00030000;
+ }
+
+
+ /* Find PCI devices that match the given vendor ID. The vendor ID is
+ * either specified explicitly as a parameter to the function or
+ * implicitly encoded in the high bits of id->PCIid.
+ *
+ * The first device with a matching vendor is recorded, even if the
+ * device ID doesn't match. This is done because the Device section
+ * in the xorg.conf file can over-ride the device ID. A matching PCI
+ * ID might not be found now, but after the device ID over-ride is
+ * applied there /might/ be a match.
+ */
+ for (id = PCIchipsets; id->PCIid != -1; id++) {
+ const unsigned vendor_id = ((id->PCIid & 0xFFFF0000) >> 16)
+ | vendorID;
+ const unsigned device_id = (id->PCIid & 0x0000FFFF);
+ const unsigned match_class = 0x00030000 | id->PCIid;
+
+ if ((vendor_id == pPci->vendor_id)
+ || ((vendorID == PCI_VENDOR_GENERIC) && (match_class == device_class))) {
+ if (!foundVendor && (instances != NULL)) {
+ ++allocatedInstances;
+ instances[allocatedInstances - 1].pci = pPci;
+ instances[allocatedInstances - 1].dev = NULL;
+ instances[allocatedInstances - 1].claimed = FALSE;
+ instances[allocatedInstances - 1].foundHW = FALSE;
+ instances[allocatedInstances - 1].screen = 0;
+ }
+
+ foundVendor = TRUE;
+
+ if ( (device_id == pPci->device_id)
+ || ((vendorID == PCI_VENDOR_GENERIC)
+ && (match_class == device_class)) ) {
+ if ( instances != NULL ) {
+ instances[allocatedInstances - 1].foundHW = TRUE;
+ instances[allocatedInstances - 1].chip = id->numChipset;
+ }
+
+
+ if ( xf86DoConfigure && xf86DoConfigurePass1 ) {
+ if (xf86CheckPciSlot(pPci)) {
+ GDevPtr pGDev =
+ xf86AddDeviceToConfigure(drvp->driverName,
+ pPci, -1);
+ if (pGDev) {
+ /* After configure pass 1, chipID and chipRev
+ * are treated as over-rides, so clobber them
+ * here.
+ */
+ pGDev->chipID = -1;
+ pGDev->chipRev = -1;
+ }
+
+ numFound++;
+ }
+ }
+ else {
+ numFound++;
+ }
+
+ break;
+ }
+ }
+ }
+ }
+
+ pci_iterator_destroy(iter);
+
+
+ /* In "probe only" or "configure" mode (signaled by instances being NULL),
+ * our work is done. Return the number of detected devices.
+ */
+ if ( instances == NULL ) {
+ return numFound;
+ }
+
+
+ /*
+ * This may be debatable, but if no PCI devices with a matching vendor
+ * type is found, return zero now. It is probably not desirable to
+ * allow the config file to override this.
+ */
+ if (allocatedInstances <= 0) {
+ xfree(instances);
+ return 0;
+ }
+
+
+#ifdef DEBUG
+ ErrorF("%s instances found: %d\n", driverName, allocatedInstances);
+#endif
+
+ /*
+ * Check for devices that need duplicated instances. This is required
+ * when there is more than one screen per entity.
+ *
+ * XXX This currently doesn't work for cases where the BusID isn't
+ * specified explicitly in the config file.
+ */
+
+ for (j = 0; j < numDevs; j++) {
+ if (devList[j]->screen > 0 && devList[j]->busID
+ && *devList[j]->busID) {
+ for (i = 0; i < allocatedInstances; i++) {
+ pPci = instances[i].pci;
+ if (xf86ComparePciBusString(devList[j]->busID,
+ PCI_MAKE_BUS( pPci->domain, pPci->bus ),
+ pPci->dev,
+ pPci->func)) {
+ allocatedInstances++;
+ instances[allocatedInstances - 1] = instances[i];
+ instances[allocatedInstances - 1].screen =
+ devList[j]->screen;
+ numFound++;
+ break;
+ }
+ }
+ }
+ }
+
+ for (i = 0; i < allocatedInstances; i++) {
+ GDevPtr dev = NULL;
+ GDevPtr devBus = NULL;
+
+ pPci = instances[i].pci;
+ for (j = 0; j < numDevs; j++) {
+ if (devList[j]->busID && *devList[j]->busID) {
+ if (xf86ComparePciBusString(devList[j]->busID,
+ PCI_MAKE_BUS( pPci->domain, pPci->bus ),
+ pPci->dev,
+ pPci->func) &&
+ devList[j]->screen == instances[i].screen) {
+
+ if (devBus)
+ xf86MsgVerb(X_WARNING,0,
+ "%s: More than one matching Device section for "
+ "instances\n\t(BusID: %s) found: %s\n",
+ driverName, devList[j]->busID,
+ devList[j]->identifier);
+ else
+ devBus = devList[j];
+ }
+ } else {
+ /*
+ * if device section without BusID is found
+ * only assign to it to the primary device.
+ */
+ if (xf86IsPrimaryPci(pPci)) {
+ xf86Msg(X_PROBED, "Assigning device section with no busID"
+ " to primary device\n");
+ if (dev || devBus)
+ xf86MsgVerb(X_WARNING, 0,
+ "%s: More than one matching Device section "
+ "found: %s\n", driverName, devList[j]->identifier);
+ else
+ dev = devList[j];
+ }
+ }
+ }
+ if (devBus) dev = devBus; /* busID preferred */
+ if (!dev) {
+ if ( xf86CheckPciSlot( pPci ) ) {
+ xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section "
+ "for instance (BusID PCI:%u@%u:%u:%u) found\n",
+ driverName, pPci->domain, pPci->bus, pPci->dev,
+ pPci->func);
+ }
+ } else {
+ numClaimedInstances++;
+ instances[i].claimed = TRUE;
+ instances[i].dev = dev;
+ }
+ }
+#ifdef DEBUG
+ ErrorF("%s instances found: %d\n", driverName, numClaimedInstances);
+#endif
+ /*
+ * Now check that a chipset or chipID override in the device section
+ * is valid. Chipset has precedence over chipID.
+ * If chipset is not valid ignore BusSlot completely.
+ */
+ for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) {
+ MessageType from = X_PROBED;
+
+ if (!instances[i].claimed) {
+ continue;
+ }
+ if (instances[i].dev->chipset) {
+ for (c = chipsets; c->token >= 0; c++) {
+ if (xf86NameCmp(c->name, instances[i].dev->chipset) == 0)
+ break;
+ }
+ if (c->token == -1) {
+ instances[i].claimed = FALSE;
+ numClaimedInstances--;
+ xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device "
+ "section \"%s\" isn't valid for this driver\n",
+ driverName, instances[i].dev->chipset,
+ instances[i].dev->identifier);
+ } else {
+ instances[i].chip = c->token;
+
+ for (id = PCIchipsets; id->numChipset >= 0; id++) {
+ if (id->numChipset == instances[i].chip)
+ break;
+ }
+ if(id->numChipset >=0){
+ xf86Msg(X_CONFIG,"Chipset override: %s\n",
+ instances[i].dev->chipset);
+ from = X_CONFIG;
+ } else {
+ instances[i].claimed = FALSE;
+ numClaimedInstances--;
+ xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device "
+ "section \"%s\" isn't a valid PCI chipset\n",
+ driverName, instances[i].dev->chipset,
+ instances[i].dev->identifier);
+ }
+ }
+ } else if (instances[i].dev->chipID > 0) {
+ for (id = PCIchipsets; id->numChipset >= 0; id++) {
+ if (id->PCIid == instances[i].dev->chipID)
+ break;
+ }
+ if (id->numChipset == -1) {
+ instances[i].claimed = FALSE;
+ numClaimedInstances--;
+ xf86MsgVerb(X_WARNING, 0, "%s: ChipID 0x%04X in Device "
+ "section \"%s\" isn't valid for this driver\n",
+ driverName, instances[i].dev->chipID,
+ instances[i].dev->identifier);
+ } else {
+ instances[i].chip = id->numChipset;
+
+ xf86Msg( X_CONFIG,"ChipID override: 0x%04X\n",
+ instances[i].dev->chipID);
+ from = X_CONFIG;
+ }
+ } else if (!instances[i].foundHW) {
+ /*
+ * This means that there was no override and the PCI chipType
+ * doesn't match one that is supported
+ */
+ instances[i].claimed = FALSE;
+ numClaimedInstances--;
+ }
+ if (instances[i].claimed == TRUE){
+ for (c = chipsets; c->token >= 0; c++) {
+ if (c->token == instances[i].chip)
+ break;
+ }
+ xf86Msg(from,"Chipset %s found\n",
+ c->name);
+ }
+ }
+
+ /*
+ * Of the claimed instances, check that another driver hasn't already
+ * claimed its slot.
+ */
+ numFound = 0;
+ for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) {
+
+ if (!instances[i].claimed)
+ continue;
+ pPci = instances[i].pci;
+
+
+ /*
+ * Allow the same entity to be used more than once for devices with
+ * multiple screens per entity. This assumes implicitly that there
+ * will be a screen == 0 instance.
+ *
+ * XXX Need to make sure that two different drivers don't claim
+ * the same screen > 0 instance.
+ */
+ if (instances[i].screen == 0 && !xf86CheckPciSlot( pPci ))
+ continue;
+
+#ifdef DEBUG
+ ErrorF("%s: card at %d:%d:%d is claimed by a Device section\n",
+ driverName, pPci->bus, pPci->dev, pPci->func);
+#endif
+
+ /* Allocate an entry in the lists to be returned */
+ numFound++;
+ retEntities = xnfrealloc(retEntities, numFound * sizeof(int));
+ retEntities[numFound - 1] = xf86ClaimPciSlot( pPci, drvp,
+ instances[i].chip,
+ instances[i].dev,
+ instances[i].dev->active);
+ if (retEntities[numFound - 1] == -1 && instances[i].screen > 0) {
+ for (j = 0; j < xf86NumEntities; j++) {
+ EntityPtr pEnt = xf86Entities[j];
+ if (pEnt->bus.type != BUS_PCI)
+ continue;
+ if (pEnt->bus.id.pci == pPci) {
+ retEntities[numFound - 1] = j;
+ xf86AddDevToEntity(j, instances[i].dev);
+ break;
+ }
+ }
+ }
+ }
+ xfree(instances);
+ if (numFound > 0) {
+ *foundEntities = retEntities;
+ }
+
+ return numFound;
+}
+
+_X_EXPORT int
+xf86MatchIsaInstances(const char *driverName, SymTabPtr chipsets,
+ IsaChipsets *ISAchipsets, DriverPtr drvp,
+ FindIsaDevProc FindIsaDevice, GDevPtr *devList,
+ int numDevs, int **foundEntities)
+{
+ SymTabRec *c;
+ IsaChipsets *Chips;
+ int i;
+ int numFound = 0;
+ int foundChip = -1;
+ int *retEntities = NULL;
+
+ *foundEntities = NULL;
+
+#if defined(__sparc__) || defined(__powerpc__)
+ FindIsaDevice = NULL; /* Temporary */
+#endif
+
+ if (xf86DoProbe || (xf86DoConfigure && xf86DoConfigurePass1)) {
+ if (FindIsaDevice &&
+ ((foundChip = (*FindIsaDevice)(NULL)) != -1)) {
+ xf86AddDeviceToConfigure(drvp->driverName, NULL, foundChip);
+ return 1;
+ }
+ return 0;
+ }
+
+ for (i = 0; i < numDevs; i++) {
+ MessageType from = X_CONFIG;
+ GDevPtr dev = NULL;
+ GDevPtr devBus = NULL;
+
+ if (devList[i]->busID && *devList[i]->busID) {
+ if (xf86ParseIsaBusString(devList[i]->busID)) {
+ if (devBus) xf86MsgVerb(X_WARNING,0,
+ "%s: More than one matching Device "
+ "section for ISA-Bus found: %s\n",
+ driverName,devList[i]->identifier);
+ else devBus = devList[i];
+ }
+ } else {
+ if (xf86IsPrimaryIsa()) {
+ if (dev) xf86MsgVerb(X_WARNING,0,
+ "%s: More than one matching "
+ "Device section found: %s\n",
+ driverName,devList[i]->identifier);
+ else dev = devList[i];
+ }
+ }
+ if (devBus) dev = devBus;
+ if (dev) {
+ if (dev->chipset) {
+ for (c = chipsets; c->token >= 0; c++) {
+ if (xf86NameCmp(c->name, dev->chipset) == 0)
+ break;
+ }
+ if (c->token == -1) {
+ xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device "
+ "section \"%s\" isn't valid for this driver\n",
+ driverName, dev->chipset,
+ dev->identifier);
+ } else
+ foundChip = c->token;
+ } else {
+ if (FindIsaDevice) foundChip = (*FindIsaDevice)(dev);
+ /* Probe it */
+ from = X_PROBED;
+ }
+ }
+
+ /* Check if the chip type is listed in the chipset table - for sanity*/
+
+ if (foundChip >= 0){
+ for (Chips = ISAchipsets; Chips->numChipset >= 0; Chips++) {
+ if (Chips->numChipset == foundChip)
+ break;
+ }
+ if (Chips->numChipset == -1){
+ foundChip = -1;
+ xf86MsgVerb(X_WARNING,0,
+ "%s: Driver detected unknown ISA-Bus Chipset\n",
+ driverName);
+ }
+ }
+ if (foundChip != -1) {
+ numFound++;
+ retEntities = xnfrealloc(retEntities,numFound * sizeof(int));
+ retEntities[numFound - 1] =
+ xf86ClaimIsaSlot(drvp,foundChip,dev, dev->active ? TRUE : FALSE);
+ for (c = chipsets; c->token >= 0; c++) {
+ if (c->token == foundChip)
+ break;
+ }
+ xf86Msg(from, "Chipset %s found\n", c->name);
+ }
+ }
+ *foundEntities = retEntities;
+
+ return numFound;
+}
+
+/*
+ * xf86GetClocks -- get the dot-clocks via a BIG BAD hack ...
+ */
+_X_EXPORT void
+xf86GetClocks(ScrnInfoPtr pScrn, int num, Bool (*ClockFunc)(ScrnInfoPtr, int),
+ void (*ProtectRegs)(ScrnInfoPtr, Bool),
+ void (*BlankScreen)(ScrnInfoPtr, Bool), IOADDRESS vertsyncreg,
+ int maskval, int knownclkindex, int knownclkvalue)
+{
+ register int status = vertsyncreg;
+ unsigned long i, cnt, rcnt, sync;
+
+ /* First save registers that get written on */
+ (*ClockFunc)(pScrn, CLK_REG_SAVE);
+
+ xf86SetPriority(TRUE);
+
+ if (num > MAXCLOCKS)
+ num = MAXCLOCKS;
+
+ for (i = 0; i < num; i++)
+ {
+ if (ProtectRegs)
+ (*ProtectRegs)(pScrn, TRUE);
+ if (!(*ClockFunc)(pScrn, i))
+ {
+ pScrn->clock[i] = -1;
+ continue;
+ }
+ if (ProtectRegs)
+ (*ProtectRegs)(pScrn, FALSE);
+ if (BlankScreen)
+ (*BlankScreen)(pScrn, FALSE);
+
+ usleep(50000); /* let VCO stabilise */
+
+ cnt = 0;
+ sync = 200000;
+
+ /* XXX How critical is this? */
+ if (!xf86DisableInterrupts())
+ {
+ (*ClockFunc)(pScrn, CLK_REG_RESTORE);
+ ErrorF("Failed to disable interrupts during clock probe. If\n");
+ ErrorF("your OS does not support disabling interrupts, then you\n");
+ FatalError("must specify a Clocks line in the XF86Config file.\n");
+ }
+ while ((inb(status) & maskval) == 0x00)
+ if (sync-- == 0) goto finish;
+ /* Something appears to be happening, so reset sync count */
+ sync = 200000;
+ while ((inb(status) & maskval) == maskval)
+ if (sync-- == 0) goto finish;
+ /* Something appears to be happening, so reset sync count */
+ sync = 200000;
+ while ((inb(status) & maskval) == 0x00)
+ if (sync-- == 0) goto finish;
+
+ for (rcnt = 0; rcnt < 5; rcnt++)
+ {
+ while (!(inb(status) & maskval))
+ cnt++;
+ while ((inb(status) & maskval))
+ cnt++;
+ }
+
+finish:
+ xf86EnableInterrupts();
+
+ pScrn->clock[i] = cnt ? cnt : -1;
+ if (BlankScreen)
+ (*BlankScreen)(pScrn, TRUE);
+ }
+
+ xf86SetPriority(FALSE);
+
+ for (i = 0; i < num; i++)
+ {
+ if (i != knownclkindex)
+ {
+ if (pScrn->clock[i] == -1)
+ {
+ pScrn->clock[i] = 0;
+ }
+ else
+ {
+ pScrn->clock[i] = (int)(0.5 +
+ (((float)knownclkvalue) * pScrn->clock[knownclkindex]) /
+ (pScrn->clock[i]));
+ /* Round to nearest 10KHz */
+ pScrn->clock[i] += 5;
+ pScrn->clock[i] /= 10;
+ pScrn->clock[i] *= 10;
+ }
+ }
+ }
+
+ pScrn->clock[knownclkindex] = knownclkvalue;
+ pScrn->numClocks = num;
+
+ /* Restore registers that were written on */
+ (*ClockFunc)(pScrn, CLK_REG_RESTORE);
+}
+
+_X_EXPORT void
+xf86SetPriority(Bool up)
+{
+ static int saved_nice;
+
+ if (up) {
+#ifdef HAS_SETPRIORITY
+ saved_nice = getpriority(PRIO_PROCESS, 0);
+ setpriority(PRIO_PROCESS, 0, -20);
+#endif
+#if defined(SYSV) || defined(SVR4) || defined(linux)
+ saved_nice = nice(0);
+ nice(-20 - saved_nice);
+#endif
+ } else {
+#ifdef HAS_SETPRIORITY
+ setpriority(PRIO_PROCESS, 0, saved_nice);
+#endif
+#if defined(SYSV) || defined(SVR4) || defined(linux)
+ nice(20 + saved_nice);
+#endif
+ }
+}
+
+_X_EXPORT const char *
+xf86GetVisualName(int visual)
+{
+ if (visual < 0 || visual > DirectColor)
+ return NULL;
+
+ return xf86VisualNames[visual];
+}
+
+
+_X_EXPORT int
+xf86GetVerbosity()
+{
+ return max(xf86Verbose, xf86LogVerbose);
+}
+
+_X_EXPORT Pix24Flags
+xf86GetPix24()
+{
+ return xf86Info.pixmap24;
+}
+
+
+_X_EXPORT int
+xf86GetDepth()
+{
+ return xf86Depth;
+}
+
+
+_X_EXPORT rgb
+xf86GetWeight()
+{
+ return xf86Weight;
+}
+
+
+_X_EXPORT Gamma
+xf86GetGamma()
+{
+ return xf86Gamma;
+}
+
+
+_X_EXPORT Bool
+xf86GetFlipPixels()
+{
+ return xf86FlipPixels;
+}
+
+
+_X_EXPORT const char *
+xf86GetServerName()
+{
+ return xf86ServerName;
+}
+
+
+_X_EXPORT Bool
+xf86ServerIsExiting()
+{
+ return (dispatchException & DE_TERMINATE) == DE_TERMINATE;
+}
+
+
+_X_EXPORT Bool
+xf86ServerIsResetting()
+{
+ return xf86Resetting;
+}
+
+
+Bool
+xf86ServerIsInitialising()
+{
+ return xf86Initialising;
+}
+
+
+_X_EXPORT Bool
+xf86ServerIsOnlyDetecting(void)
+{
+ return xf86DoProbe || xf86DoConfigure;
+}
+
+
+_X_EXPORT Bool
+xf86ServerIsOnlyProbing(void)
+{
+ return xf86ProbeOnly;
+}
+
+
+_X_EXPORT Bool
+xf86CaughtSignal()
+{
+ return xf86Info.caughtSignal;
+}
+
+
+_X_EXPORT Bool
+xf86GetVidModeAllowNonLocal()
+{
+ return xf86Info.vidModeAllowNonLocal;
+}
+
+
+_X_EXPORT Bool
+xf86GetVidModeEnabled()
+{
+ return xf86Info.vidModeEnabled;
+}
+
+_X_EXPORT Bool
+xf86GetModInDevAllowNonLocal()
+{
+ return xf86Info.miscModInDevAllowNonLocal;
+}
+
+
+_X_EXPORT Bool
+xf86GetModInDevEnabled()
+{
+ return xf86Info.miscModInDevEnabled;
+}
+
+
+_X_EXPORT Bool
+xf86GetAllowMouseOpenFail()
+{
+ return xf86Info.allowMouseOpenFail;
+}
+
+
+_X_EXPORT Bool
+xf86IsPc98()
+{
+#ifdef __i386__
+ return xf86Info.pc98;
+#else
+ return FALSE;
+#endif
+}
+
+_X_EXPORT void
+xf86DisableRandR()
+{
+ xf86Info.disableRandR = TRUE;
+ xf86Info.randRFrom = X_PROBED;
+}
+
+_X_EXPORT CARD32
+xf86GetVersion()
+{
+ return XF86_VERSION_CURRENT;
+}
+
+_X_EXPORT CARD32
+xf86GetModuleVersion(pointer module)
+{
+ return (CARD32)LoaderGetModuleVersion(module);
+}
+
+_X_EXPORT pointer
+xf86LoadDrvSubModule(DriverPtr drv, const char *name)
+{
+ pointer ret;
+ int errmaj = 0, errmin = 0;
+
+ ret = LoadSubModule(drv->module, name, NULL, NULL, NULL, NULL,
+ &errmaj, &errmin);
+ if (!ret)
+ LoaderErrorMsg(NULL, name, errmaj, errmin);
+ return ret;
+}
+
+_X_EXPORT pointer
+xf86LoadSubModule(ScrnInfoPtr pScrn, const char *name)
+{
+ pointer ret;
+ int errmaj = 0, errmin = 0;
+
+ ret = LoadSubModule(pScrn->module, name, NULL, NULL, NULL, NULL,
+ &errmaj, &errmin);
+ if (!ret)
+ LoaderErrorMsg(pScrn->name, name, errmaj, errmin);
+ return ret;
+}
+
+/*
+ * xf86LoadOneModule loads a single module.
+ */
+_X_EXPORT pointer
+xf86LoadOneModule(char *name, pointer opt)
+{
+ int errmaj, errmin;
+ char *Name;
+ pointer mod;
+
+ if (!name)
+ return NULL;
+
+ /* Normalise the module name */
+ Name = xf86NormalizeName(name);
+
+ /* Skip empty names */
+ if (Name == NULL)
+ return NULL;
+ if (*Name == '\0') {
+ xfree(Name);
+ return NULL;
+ }
+
+ mod = LoadModule(Name, NULL, NULL, NULL, opt, NULL, &errmaj, &errmin);
+ if (!mod)
+ LoaderErrorMsg(NULL, Name, errmaj, errmin);
+ xfree(Name);
+ return mod;
+}
+
+_X_EXPORT void
+xf86UnloadSubModule(pointer mod)
+{
+ /*
+ * This is disabled for now. The loader isn't smart enough yet to undo
+ * relocations.
+ */
+#if 0
+ UnloadSubModule(mod);
+#endif
+}
+
+_X_EXPORT Bool
+xf86LoaderCheckSymbol(const char *name)
+{
+ return LoaderSymbol(name) != NULL;
+}
+
+/* These two are just ABI stubs, they don't do anything in dlloader world */
+_X_EXPORT void
+xf86LoaderReqSymLists(const char **list0, ...)
+{
+}
+
+_X_EXPORT void
+xf86LoaderReqSymbols(const char *sym0, ...)
+{
+}
+
+_X_EXPORT void
+xf86LoaderRefSymLists(const char **list0, ...)
+{
+}
+
+_X_EXPORT void
+xf86LoaderRefSymbols(const char *sym0, ...)
+{
+}
+
+
+typedef enum {
+ OPTION_BACKING_STORE
+} BSOpts;
+
+static const OptionInfoRec BSOptions[] = {
+ { OPTION_BACKING_STORE, "BackingStore", OPTV_BOOLEAN, {0}, FALSE },
+ { -1, NULL, OPTV_NONE, {0}, FALSE }
+};
+
+_X_EXPORT void
+xf86SetBackingStore(ScreenPtr pScreen)
+{
+ Bool useBS = FALSE;
+ MessageType from = X_DEFAULT;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ OptionInfoPtr options;
+
+ options = xnfalloc(sizeof(BSOptions));
+ (void)memcpy(options, BSOptions, sizeof(BSOptions));
+ xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, options);
+
+ /* check for commandline option here */
+ if (xf86bsEnableFlag) {
+ from = X_CMDLINE;
+ useBS = TRUE;
+ } else if (xf86bsDisableFlag) {
+ from = X_CMDLINE;
+ useBS = FALSE;
+ } else {
+ if (xf86GetOptValBool(options, OPTION_BACKING_STORE, &useBS))
+ from = X_CONFIG;
+ }
+ xfree(options);
+ pScreen->backingStoreSupport = useBS ? Always : NotUseful;
+ if (serverGeneration == 1)
+ xf86DrvMsg(pScreen->myNum, from, "Backing store %s\n",
+ useBS ? "enabled" : "disabled");
+}
+
+
+typedef enum {
+ OPTION_SILKEN_MOUSE
+} SMOpts;
+
+static const OptionInfoRec SMOptions[] = {
+ { OPTION_SILKEN_MOUSE, "SilkenMouse", OPTV_BOOLEAN, {0}, FALSE },
+ { -1, NULL, OPTV_NONE, {0}, FALSE }
+};
+
+_X_EXPORT void
+xf86SetSilkenMouse (ScreenPtr pScreen)
+{
+ Bool useSM = TRUE;
+ MessageType from = X_DEFAULT;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ OptionInfoPtr options;
+
+ options = xnfalloc(sizeof(SMOptions));
+ (void)memcpy(options, SMOptions, sizeof(SMOptions));
+ xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, options);
+
+ /* check for commandline option here */
+ /* disable if screen shares resources */
+ if (((pScrn->racMemFlags & RAC_CURSOR) &&
+ !xf86NoSharedResources(pScrn->scrnIndex,MEM)) ||
+ ((pScrn->racIoFlags & RAC_CURSOR) &&
+ !xf86NoSharedResources(pScrn->scrnIndex,IO))) {
+ useSM = FALSE;
+ from = X_PROBED;
+ } else if (xf86silkenMouseDisableFlag) {
+ from = X_CMDLINE;
+ useSM = FALSE;
+ } else {
+ if (xf86GetOptValBool(options, OPTION_SILKEN_MOUSE, &useSM))
+ from = X_CONFIG;
+ }
+ xfree(options);
+ /*
+ * XXX quick hack to report correctly for OSs that can't do SilkenMouse
+ * yet. Should handle this differently so that alternate async methods
+ * work correctly with this too.
+ */
+ pScrn->silkenMouse = useSM && xf86SIGIOSupported();
+ if (serverGeneration == 1)
+ xf86DrvMsg(pScreen->myNum, from, "Silken mouse %s\n",
+ pScrn->silkenMouse ? "enabled" : "disabled");
+}
+
+/* Wrote this function for the PM2 Xv driver, preliminary. */
+
+_X_EXPORT pointer
+xf86FindXvOptions(int scrnIndex, int adaptor_index, char *port_name,
+ char **adaptor_name, pointer *adaptor_options)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+ confXvAdaptorPtr adaptor;
+ int i;
+
+ if (adaptor_index >= pScrn->confScreen->numxvadaptors) {
+ if (adaptor_name) *adaptor_name = NULL;
+ if (adaptor_options) *adaptor_options = NULL;
+ return NULL;
+ }
+
+ adaptor = &pScrn->confScreen->xvadaptors[adaptor_index];
+ if (adaptor_name) *adaptor_name = adaptor->identifier;
+ if (adaptor_options) *adaptor_options = adaptor->options;
+
+ for (i = 0; i < adaptor->numports; i++)
+ if (!xf86NameCmp(adaptor->ports[i].identifier, port_name))
+ return adaptor->ports[i].options;
+
+ return NULL;
+}
+
+/* Rather than duplicate loader's get OS function, just include it directly */
+#define LoaderGetOS xf86GetOS
+#include "loader/os.c"
+
+/* new RAC */
+/*
+ * xf86ConfigIsa/PciEntity() -- These helper functions assign an
+ * active entity to a screen, registers its fixed resources, assign
+ * special enter/leave functions and their private scratch area to
+ * this entity, take the dog for a walk...
+ */
+_X_EXPORT ScrnInfoPtr
+xf86ConfigIsaEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex,
+ IsaChipsets *i_chip, resList res, EntityProc init,
+ EntityProc enter, EntityProc leave, pointer private)
+{
+ IsaChipsets *i_id;
+ EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
+ if (!pEnt) return pScrn;
+
+ if (!(pEnt->location.type == BUS_ISA)) {
+ xfree(pEnt);
+ return pScrn;
+ }
+
+ if (!pEnt->active) {
+ xf86ConfigIsaEntityInactive(pEnt, i_chip, res, init, enter,
+ leave, private);
+ xfree(pEnt);
+ return pScrn;
+ }
+
+ if (!pScrn)
+ pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag);
+ xf86AddEntityToScreen(pScrn,entityIndex);
+
+ if (i_chip) {
+ for (i_id = i_chip; i_id->numChipset != -1; i_id++) {
+ if (pEnt->chipset == i_id->numChipset) break;
+ }
+ xf86ClaimFixedResources(i_id->resList,entityIndex);
+ }
+ xfree(pEnt);
+ xf86ClaimFixedResources(res,entityIndex);
+ xf86SetEntityFuncs(entityIndex,init,enter,leave,private);
+
+ return pScrn;
+}
+
+_X_EXPORT ScrnInfoPtr
+xf86ConfigPciEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex,
+ PciChipsets *p_chip, resList res, EntityProc init,
+ EntityProc enter, EntityProc leave, pointer private)
+{
+ PciChipsets *p_id;
+ EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
+ if (!pEnt) return pScrn;
+
+ if (!(pEnt->location.type == BUS_PCI)
+ || !xf86GetPciInfoForEntity(entityIndex)) {
+ xfree(pEnt);
+ return pScrn;
+ }
+ if (!pEnt->active) {
+ xf86ConfigPciEntityInactive(pEnt, p_chip, res, init, enter,
+ leave, private);
+ xfree(pEnt);
+ return pScrn;
+ }
+
+ if (!pScrn)
+ pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag);
+ if (xf86IsEntitySharable(entityIndex)) {
+ xf86SetEntityShared(entityIndex);
+ }
+ xf86AddEntityToScreen(pScrn,entityIndex);
+ if (xf86IsEntityShared(entityIndex)) {
+ return pScrn;
+ }
+ if (p_chip) {
+ for (p_id = p_chip; p_id->numChipset != -1; p_id++) {
+ if (pEnt->chipset == p_id->numChipset) break;
+ }
+ xf86ClaimFixedResources(p_id->resList,entityIndex);
+ }
+ xfree(pEnt);
+
+ xf86ClaimFixedResources(res,entityIndex);
+ xf86SetEntityFuncs(entityIndex,init,enter,leave,private);
+
+ return pScrn;
+}
+
+_X_EXPORT ScrnInfoPtr
+xf86ConfigFbEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex,
+ EntityProc init, EntityProc enter, EntityProc leave,
+ pointer private)
+{
+ EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
+ if (!pEnt) return pScrn;
+
+ if (!(pEnt->location.type == BUS_NONE)) {
+ xfree(pEnt);
+ return pScrn;
+ }
+
+ if (!pEnt->active) {
+ xf86ConfigFbEntityInactive(pEnt, init, enter, leave, private);
+ xfree(pEnt);
+ return pScrn;
+ }
+
+ if (!pScrn)
+ pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag);
+ xf86AddEntityToScreen(pScrn,entityIndex);
+
+ xf86SetEntityFuncs(entityIndex,init,enter,leave,private);
+
+ return pScrn;
+}
+
+/*
+ *
+ * OBSOLETE ! xf86ConfigActiveIsaEntity() and xf86ConfigActivePciEntity()
+ * are obsolete functions. They the are likely to be removed
+ * Don't use!
+ */
+_X_EXPORT Bool
+xf86ConfigActiveIsaEntity(ScrnInfoPtr pScrn, int entityIndex,
+ IsaChipsets *i_chip, resList res, EntityProc init,
+ EntityProc enter, EntityProc leave, pointer private)
+{
+ IsaChipsets *i_id;
+ EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
+ if (!pEnt) return FALSE;
+
+ if (!pEnt->active || !(pEnt->location.type == BUS_ISA)) {
+ xfree(pEnt);
+ return FALSE;
+ }
+
+ xf86AddEntityToScreen(pScrn,entityIndex);
+
+ if (i_chip) {
+ for (i_id = i_chip; i_id->numChipset != -1; i_id++) {
+ if (pEnt->chipset == i_id->numChipset) break;
+ }
+ xf86ClaimFixedResources(i_id->resList,entityIndex);
+ }
+ xfree(pEnt);
+ xf86ClaimFixedResources(res,entityIndex);
+ if (!xf86SetEntityFuncs(entityIndex,init,enter,leave,private))
+ return FALSE;
+
+ return TRUE;
+}
+
+_X_EXPORT Bool
+xf86ConfigActivePciEntity(ScrnInfoPtr pScrn, int entityIndex,
+ PciChipsets *p_chip, resList res, EntityProc init,
+ EntityProc enter, EntityProc leave, pointer private)
+{
+ PciChipsets *p_id;
+ EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex);
+ if (!pEnt) return FALSE;
+
+ if (!pEnt->active || !(pEnt->location.type == BUS_PCI)) {
+ xfree(pEnt);
+ return FALSE;
+ }
+ xf86AddEntityToScreen(pScrn,entityIndex);
+
+ if (p_chip) {
+ for (p_id = p_chip; p_id->numChipset != -1; p_id++) {
+ if (pEnt->chipset == p_id->numChipset) break;
+ }
+ xf86ClaimFixedResources(p_id->resList,entityIndex);
+ }
+ xfree(pEnt);
+
+ xf86ClaimFixedResources(res,entityIndex);
+ if (!xf86SetEntityFuncs(entityIndex,init,enter,leave,private))
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+ * xf86ConfigPci/IsaEntityInactive() -- These functions can be used
+ * to configure an inactive entity as well as to reconfigure an
+ * previously active entity inactive. If the entity has been
+ * assigned to a screen before it will be removed. If p_pci(p_isa) is
+ * non-NULL all static resources listed there will be registered.
+ */
+_X_EXPORT void
+xf86ConfigPciEntityInactive(EntityInfoPtr pEnt, PciChipsets *p_chip,
+ resList res, EntityProc init, EntityProc enter,
+ EntityProc leave, pointer private)
+{
+ PciChipsets *p_id;
+ ScrnInfoPtr pScrn;
+
+ if ((pScrn = xf86FindScreenForEntity(pEnt->index)))
+ xf86RemoveEntityFromScreen(pScrn,pEnt->index);
+ else if (p_chip) {
+ for (p_id = p_chip; p_id->numChipset != -1; p_id++) {
+ if (pEnt->chipset == p_id->numChipset) break;
+ }
+ xf86ClaimFixedResources(p_id->resList,pEnt->index);
+ }
+ xf86ClaimFixedResources(res,pEnt->index);
+ /* shared resources are only needed when entity is active: remove */
+ xf86DeallocateResourcesForEntity(pEnt->index, ResShared);
+ xf86SetEntityFuncs(pEnt->index,init,enter,leave,private);
+}
+
+_X_EXPORT void
+xf86ConfigIsaEntityInactive(EntityInfoPtr pEnt, IsaChipsets *i_chip,
+ resList res, EntityProc init, EntityProc enter,
+ EntityProc leave, pointer private)
+{
+ IsaChipsets *i_id;
+ ScrnInfoPtr pScrn;
+
+ if ((pScrn = xf86FindScreenForEntity(pEnt->index)))
+ xf86RemoveEntityFromScreen(pScrn,pEnt->index);
+ else if (i_chip) {
+ for (i_id = i_chip; i_id->numChipset != -1; i_id++) {
+ if (pEnt->chipset == i_id->numChipset) break;
+ }
+ xf86ClaimFixedResources(i_id->resList,pEnt->index);
+ }
+ xf86ClaimFixedResources(res,pEnt->index);
+ /* shared resources are only needed when entity is active: remove */
+ xf86DeallocateResourcesForEntity(pEnt->index, ResShared);
+ xf86SetEntityFuncs(pEnt->index,init,enter,leave,private);
+}
+
+void
+xf86ConfigFbEntityInactive(EntityInfoPtr pEnt, EntityProc init,
+ EntityProc enter, EntityProc leave, pointer private)
+{
+ ScrnInfoPtr pScrn;
+
+ if ((pScrn = xf86FindScreenForEntity(pEnt->index)))
+ xf86RemoveEntityFromScreen(pScrn,pEnt->index);
+ xf86SetEntityFuncs(pEnt->index,init,enter,leave,private);
+}
+
+_X_EXPORT Bool
+xf86IsScreenPrimary(int scrnIndex)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+ int i;
+
+ for (i=0 ; i < pScrn->numEntities; i++) {
+ if (xf86IsEntityPrimary(i))
+ return TRUE;
+ }
+ return FALSE;
+}
+
+_X_EXPORT int
+xf86RegisterRootWindowProperty(int ScrnIndex, Atom property, Atom type,
+ int format, unsigned long len, pointer value )
+{
+ RootWinPropPtr pNewProp = NULL, pRegProp;
+ int i;
+ Bool existing = FALSE;
+
+#ifdef DEBUG
+ ErrorF("xf86RegisterRootWindowProperty(%d, %ld, %ld, %d, %ld, %p)\n",
+ ScrnIndex, property, type, format, len, value);
+#endif
+
+ if (ScrnIndex<0 || ScrnIndex>=xf86NumScreens) {
+ return(BadMatch);
+ }
+
+ if (xf86RegisteredPropertiesTable &&
+ xf86RegisteredPropertiesTable[ScrnIndex]) {
+ for (pNewProp = xf86RegisteredPropertiesTable[ScrnIndex];
+ pNewProp; pNewProp = pNewProp->next) {
+ if (strcmp(pNewProp->name, NameForAtom(property)) == 0)
+ break;
+ }
+ }
+
+ if (!pNewProp) {
+ if ((pNewProp = (RootWinPropPtr)xalloc(sizeof(RootWinProp))) == NULL) {
+ return(BadAlloc);
+ }
+ /*
+ * We will put this property at the end of the list so that
+ * the changes are made in the order they were requested.
+ */
+ pNewProp->next = NULL;
+ } else {
+ if (pNewProp->name)
+ xfree(pNewProp->name);
+ existing = TRUE;
+ }
+
+ pNewProp->name = xnfstrdup(NameForAtom(property));
+ pNewProp->type = type;
+ pNewProp->format = format;
+ pNewProp->size = len;
+ pNewProp->data = value;
+
+#ifdef DEBUG
+ ErrorF("new property filled\n");
+#endif
+
+ if (NULL==xf86RegisteredPropertiesTable) {
+#ifdef DEBUG
+ ErrorF("creating xf86RegisteredPropertiesTable[] size %d\n",
+ xf86NumScreens);
+#endif
+ if ( NULL==(xf86RegisteredPropertiesTable=(RootWinPropPtr*)xnfcalloc(sizeof(RootWinProp),xf86NumScreens) )) {
+ return(BadAlloc);
+ }
+ for (i=0; i<xf86NumScreens; i++) {
+ xf86RegisteredPropertiesTable[i] = NULL;
+ }
+ }
+
+#ifdef DEBUG
+ ErrorF("xf86RegisteredPropertiesTable %p\n",
+ (void *)xf86RegisteredPropertiesTable);
+ ErrorF("xf86RegisteredPropertiesTable[%d] %p\n",
+ ScrnIndex, (void *)xf86RegisteredPropertiesTable[ScrnIndex]);
+#endif
+
+ if (!existing) {
+ if ( xf86RegisteredPropertiesTable[ScrnIndex] == NULL) {
+ xf86RegisteredPropertiesTable[ScrnIndex] = pNewProp;
+ } else {
+ pRegProp = xf86RegisteredPropertiesTable[ScrnIndex];
+ while (pRegProp->next != NULL) {
+#ifdef DEBUG
+ ErrorF("- next %p\n", (void *)pRegProp);
+#endif
+ pRegProp = pRegProp->next;
+ }
+ pRegProp->next = pNewProp;
+ }
+ }
+#ifdef DEBUG
+ ErrorF("xf86RegisterRootWindowProperty succeeded\n");
+#endif
+ return(Success);
+}
+
+_X_EXPORT Bool
+xf86IsUnblank(int mode)
+{
+ switch(mode) {
+ case SCREEN_SAVER_OFF:
+ case SCREEN_SAVER_FORCER:
+ return TRUE;
+ case SCREEN_SAVER_ON:
+ case SCREEN_SAVER_CYCLE:
+ return FALSE;
+ default:
+ xf86MsgVerb(X_WARNING, 0, "Unexpected save screen mode: %d\n", mode);
+ return TRUE;
+ }
+}
+
+_X_EXPORT void
+xf86MotionHistoryAllocate(LocalDevicePtr local)
+{
+ AllocateMotionHistory(local->dev);
+}
+
+_X_EXPORT int
+xf86GetMotionEvents(DeviceIntPtr pDev, xTimecoord *buff, unsigned long start,
+ unsigned long stop, ScreenPtr pScreen)
+{
+ return GetMotionHistory(pDev, buff, start, stop, pScreen);
+}
+
+_X_EXPORT void
+xf86getsecs(long * secs, long * usecs)
+{
+ struct timeval tv;
+
+ X_GETTIMEOFDAY(&tv);
+ if (secs)
+ *secs = tv.tv_sec;
+ if (usecs)
+ *usecs= tv.tv_usec;
+
+ return;
+}