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Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Helper.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86Helper.c4100
1 files changed, 2048 insertions, 2052 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Helper.c b/xorg-server/hw/xfree86/common/xf86Helper.c
index 8f61c4c72..1a5bf8a1c 100644
--- a/xorg-server/hw/xfree86/common/xf86Helper.c
+++ b/xorg-server/hw/xfree86/common/xf86Helper.c
@@ -1,2052 +1,2048 @@
-/*
- * 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 <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 "xf86DDC.h"
-#include "xf86Xinput.h"
-#include "xf86InPriv.h"
-#include "mivalidate.h"
-#include "xf86Crtc.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 */
-
-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;
-}
-
-void
-xf86DeleteDriver(int drvIndex)
-{
- if (xf86DriverList[drvIndex]
- && (!xf86DriverHasEntities(xf86DriverList[drvIndex]))) {
- if (xf86DriverList[drvIndex]->module)
- UnloadModule(xf86DriverList[drvIndex]->module);
- free(xf86DriverList[drvIndex]);
- xf86DriverList[drvIndex] = NULL;
- }
-}
-
-/* Add a pointer to a new InputDriverRec to xf86InputDriverList */
-
-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;
-}
-
-void
-xf86DeleteInputDriver(int drvIndex)
-{
- if (xf86InputDriverList[drvIndex] && xf86InputDriverList[drvIndex]->module)
- UnloadModule(xf86InputDriverList[drvIndex]->module);
- free(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;
-}
-
-/* Allocate a new ScrnInfoRec in xf86Screens */
-
-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);
-
- 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.
- */
-
-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--;
-
- free(pScrn->privates);
-
- xf86ClearEntityListForScreen(scrnIndex);
-
- free(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.
- */
-
-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 */
- memset(&nprivs[idx], 0, sizeof(DevUnion));
- pScr->privates = nprivs;
- }
- return idx;
-}
-
-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
-
-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->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.
- */
-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.
- */
-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 18:
- scrp->weight.red = scrp->weight.green = scrp->weight.blue = 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;
-}
-
-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
-
-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;
- }
- /* Pretend we succeeded if we support better a gamma system.
- * This avoids a confusing message.
- */
- if (xf86_crtc_supports_gamma(scrp))
- return TRUE;
- 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
-
-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
-
-
-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 = pScreen->root;
- WindowPtr pChild;
- Bool WasViewable = (Bool)(pWin->viewable);
- Bool anyMarked = FALSE;
- 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 = RegionCreate(NullBox, 1);
- RegionSubtract(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;
- RegionInit(&pWin->winSize, &box, 1);
- RegionInit(&pWin->borderSize, &box, 1);
- if (WasViewable)
- {
- PixmapPtr pPixmap = (*pScreen->GetScreenPixmap) (pScreen);
- box.x2 = pPixmap->drawable.width;
- box.y2 = pPixmap->drawable.height;
- RegionReset(&pWin->borderClip, &box);
- }
- pWin->drawable.width = pScreen->width;
- pWin->drawable.height = pScreen->height;
- RegionBreak(&pWin->clipList);
- }
- else
- {
- RegionEmpty(&pWin->borderClip);
- RegionBreak(&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;
- }
-
-
- if (anyMarked)
- (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
- }
-
- if (WasViewable)
- {
- if (anyMarked)
- (*pScreen->HandleExposures)(pWin);
- 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.
- */
-void
-xf86EnableDisableFBAccess(int scrnIndex, Bool enable)
-{
- ScrnInfoPtr pScrnInfo = xf86Screens[scrnIndex];
- ScreenPtr pScreen = pScrnInfo->pScreen;
- PixmapPtr pspix;
-
- pspix = (*pScreen->GetScreenPixmap) (pScreen);
- if (enable)
- {
- /*
- * 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);
- }
-}
-
-/* Print driver messages in the standard format */
-
-#undef PREFIX_SIZE
-#define PREFIX_SIZE 14
-
-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 = malloc(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);
- free(tmpFormat);
- } else
- LogVMessageVerb(type, verb, format, args);
-}
-#undef PREFIX_SIZE
-
-/* Print driver messages, with verbose level specified directly */
-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) */
-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 input driver messages in the standard format of
- <driver>: <device name>: <message> */
-void
-xf86VIDrvMsgVerb(InputInfoPtr dev, MessageType type, int verb, const char *format,
- va_list args)
-{
- char *msg;
-
- if (asprintf(&msg, "%s: %s: %s", dev->drv->driverName, dev->name, format)
- == -1) {
- LogVMessageVerb(type, verb, "%s", args);
- } else {
- LogVMessageVerb(type, verb, msg, args);
- free(msg);
- }
-}
-
-/* Print input driver message, with verbose level specified directly */
-void
-xf86IDrvMsgVerb(InputInfoPtr dev, MessageType type, int verb, const char *format,
- ...)
-{
- va_list ap;
-
- va_start(ap, format);
- xf86VIDrvMsgVerb(dev, type, verb, format, ap);
- va_end(ap);
-}
-
-/* Print input driver messages, with verbose level of 1 (default) */
-void
-xf86IDrvMsg(InputInfoPtr dev, MessageType type, const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- xf86VIDrvMsgVerb(dev, type, 1, format, ap);
- va_end(ap);
-}
-
-
-/* Print non-driver messages with verbose level specified directly */
-void
-xf86MsgVerb(MessageType type, int verb, const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- LogVMessageVerb(type, verb, format, ap);
- va_end(ap);
-}
-
-/* Print non-driver messages with verbose level of 1 (default) */
-void
-xf86Msg(MessageType type, const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- LogVMessageVerb(type, 1, format, ap);
- va_end(ap);
-}
-
-/* Just like ErrorF, but with the verbose level checked */
-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 */
-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(void)
-{
- char *lf = NULL;
-
-#define LOGSUFFIX ".log"
-#define LOGOLDSUFFIX ".old"
-
- /* Get the log file name */
- if (xf86LogFileFrom == X_DEFAULT) {
- /* Append the display number and ".log" */
- if (asprintf(&lf, "%s%%s" LOGSUFFIX, xf86LogFile) == -1)
- FatalError("Cannot allocate space for the log file name\n");
- xf86LogFile = lf;
- }
-
- xf86LogFile = LogInit(xf86LogFile, LOGOLDSUFFIX);
- xf86LogFileWasOpened = TRUE;
-
- xf86SetVerbosity(xf86Verbose);
- xf86SetLogVerbosity(xf86LogVerbose);
-
-#undef LOGSUFFIX
-#undef LOGOLDSUFFIX
-
- free(lf);
-}
-
-void
-xf86CloseLog(void)
-{
- LogClose();
-}
-
-
-/*
- * Drivers can use these for using their own SymTabRecs.
- */
-
-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;
-}
-
-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
- */
-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.
- */
-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");
-}
-
-
-int
-xf86MatchDevice(const char *drivername, GDevPtr **sectlist)
-{
- GDevPtr gdp, *pgdp = NULL;
- confScreenPtr screensecptr;
- int i,j;
-
- if (sectlist)
- *sectlist = NULL;
-
- /*
- * This can happen when running Xorg -showopts and a module like ati
- * or vmware tries to load its submodules when xf86ConfigLayout is empty
- */
- if (!xf86ConfigLayout.screens)
- return 0;
-
- /*
- * 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
- free(pgdp);
- return i;
-}
-
-/*
- * xf86GetClocks -- get the dot-clocks via a BIG BAD hack ...
- */
-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);
-
- 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;
-
- 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:
- pScrn->clock[i] = cnt ? cnt : -1;
- if (BlankScreen)
- (*BlankScreen)(pScrn, TRUE);
- }
-
- 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);
-}
-
-const char *
-xf86GetVisualName(int visual)
-{
- if (visual < 0 || visual > DirectColor)
- return NULL;
-
- return xf86VisualNames[visual];
-}
-
-
-int
-xf86GetVerbosity(void)
-{
- return max(xf86Verbose, xf86LogVerbose);
-}
-
-Pix24Flags
-xf86GetPix24(void)
-{
- return xf86Info.pixmap24;
-}
-
-
-int
-xf86GetDepth(void)
-{
- return xf86Depth;
-}
-
-
-rgb
-xf86GetWeight(void)
-{
- return xf86Weight;
-}
-
-
-Gamma
-xf86GetGamma(void)
-{
- return xf86Gamma;
-}
-
-
-Bool
-xf86GetFlipPixels(void)
-{
- return xf86FlipPixels;
-}
-
-
-const char *
-xf86GetServerName(void)
-{
- return xf86ServerName;
-}
-
-
-Bool
-xf86ServerIsExiting(void)
-{
- return (dispatchException & DE_TERMINATE) == DE_TERMINATE;
-}
-
-
-Bool
-xf86ServerIsResetting(void)
-{
- return xf86Resetting;
-}
-
-
-Bool
-xf86ServerIsInitialising(void)
-{
- return xf86Initialising;
-}
-
-
-Bool
-xf86ServerIsOnlyDetecting(void)
-{
- return xf86DoConfigure;
-}
-
-
-Bool
-xf86CaughtSignal(void)
-{
- return xf86Info.caughtSignal;
-}
-
-
-Bool
-xf86GetVidModeAllowNonLocal(void)
-{
- return xf86Info.vidModeAllowNonLocal;
-}
-
-
-Bool
-xf86GetVidModeEnabled(void)
-{
- return xf86Info.vidModeEnabled;
-}
-
-Bool
-xf86GetModInDevAllowNonLocal(void)
-{
- return xf86Info.miscModInDevAllowNonLocal;
-}
-
-
-Bool
-xf86GetModInDevEnabled(void)
-{
- return xf86Info.miscModInDevEnabled;
-}
-
-
-Bool
-xf86GetAllowMouseOpenFail(void)
-{
- return xf86Info.allowMouseOpenFail;
-}
-
-
-Bool
-xf86IsPc98(void)
-{
-#if SUPPORT_PC98
- return xf86Info.pc98;
-#else
- return FALSE;
-#endif
-}
-
-void
-xf86DisableRandR(void)
-{
- xf86Info.disableRandR = TRUE;
- xf86Info.randRFrom = X_PROBED;
-}
-
-CARD32
-xf86GetModuleVersion(pointer module)
-{
- return (CARD32)LoaderGetModuleVersion(module);
-}
-
-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;
-}
-
-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.
- */
-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') {
- free(Name);
- return NULL;
- }
-
- mod = LoadModule(Name, NULL, NULL, NULL, opt, NULL, &errmaj, &errmin);
- if (!mod)
- LoaderErrorMsg(NULL, Name, errmaj, errmin);
- free(Name);
- return mod;
-}
-
-void
-xf86UnloadSubModule(pointer mod)
-{
- /*
- * This is disabled for now. The loader isn't smart enough yet to undo
- * relocations.
- */
-#if 0
- UnloadSubModule(mod);
-#endif
-}
-
-Bool
-xf86LoaderCheckSymbol(const char *name)
-{
- return LoaderSymbol(name) != NULL;
-}
-
-typedef enum {
- OPTION_BACKING_STORE
-} BSOpts;
-
-static const OptionInfoRec BSOptions[] = {
- { OPTION_BACKING_STORE, "BackingStore", OPTV_BOOLEAN, {0}, FALSE },
- { -1, NULL, OPTV_NONE, {0}, FALSE }
-};
-
-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;
- }
- free(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 }
-};
-
-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 */
- /* TODO VGA arb disable silken mouse */
- if (xf86silkenMouseDisableFlag) {
- from = X_CMDLINE;
- useSM = FALSE;
- } else {
- if (xf86GetOptValBool(options, OPTION_SILKEN_MOUSE, &useSM))
- from = X_CONFIG;
- }
- free(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 && xf86Info.useSIGIO && 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. */
-
-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"
-
-static 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);
-}
-
-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)) {
- free(pEnt);
- return pScrn;
- }
-
- if (!pEnt->active) {
- xf86ConfigFbEntityInactive(pEnt, init, enter, leave, private);
- free(pEnt);
- return pScrn;
- }
-
- if (!pScrn)
- pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag);
- xf86AddEntityToScreen(pScrn,entityIndex);
-
- xf86SetEntityFuncs(entityIndex,init,enter,leave,private);
-
- return pScrn;
-}
-
-Bool
-xf86IsScreenPrimary(int scrnIndex)
-{
- ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
- int i;
-
- for (i=0 ; i < pScrn->numEntities; i++) {
- if (xf86IsEntityPrimary(i))
- return TRUE;
- }
- return FALSE;
-}
-
-int
-xf86RegisterRootWindowProperty(int ScrnIndex, Atom property, Atom type,
- int format, unsigned long len, pointer value )
-{
- RootWinPropPtr pNewProp = NULL, pRegProp;
- int i;
- Bool existing = FALSE;
-
- DebugF("xf86RegisterRootWindowProperty(%d, %ld, %ld, %d, %ld, %p)\n",
- ScrnIndex, property, type, format, len, value);
-
- 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)malloc(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 {
- free(pNewProp->name);
- existing = TRUE;
- }
-
- pNewProp->name = xnfstrdup(NameForAtom(property));
- pNewProp->type = type;
- pNewProp->format = format;
- pNewProp->size = len;
- pNewProp->data = value;
-
- DebugF("new property filled\n");
-
- if (NULL==xf86RegisteredPropertiesTable) {
- DebugF("creating xf86RegisteredPropertiesTable[] size %d\n",
- xf86NumScreens);
- if ( NULL==(xf86RegisteredPropertiesTable=(RootWinPropPtr*)xnfcalloc(sizeof(RootWinProp),xf86NumScreens) )) {
- return BadAlloc;
- }
- for (i=0; i<xf86NumScreens; i++) {
- xf86RegisteredPropertiesTable[i] = NULL;
- }
- }
-
- DebugF("xf86RegisteredPropertiesTable %p\n",
- (void *)xf86RegisteredPropertiesTable);
- DebugF("xf86RegisteredPropertiesTable[%d] %p\n",
- ScrnIndex, (void *)xf86RegisteredPropertiesTable[ScrnIndex]);
-
- if (!existing) {
- if ( xf86RegisteredPropertiesTable[ScrnIndex] == NULL) {
- xf86RegisteredPropertiesTable[ScrnIndex] = pNewProp;
- } else {
- pRegProp = xf86RegisteredPropertiesTable[ScrnIndex];
- while (pRegProp->next != NULL) {
- DebugF("- next %p\n", (void *)pRegProp);
- pRegProp = pRegProp->next;
- }
- pRegProp->next = pNewProp;
- }
- }
- DebugF("xf86RegisterRootWindowProperty succeeded\n");
- return Success;
-}
-
-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;
- }
-}
-
-void
-xf86MotionHistoryAllocate(InputInfoPtr pInfo)
-{
- AllocateMotionHistory(pInfo->dev);
-}
+/*
+ * 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 <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 "xf86DDC.h"
+#include "xf86Xinput.h"
+#include "xf86InPriv.h"
+#include "mivalidate.h"
+#include "xf86Crtc.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 */
+
+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;
+}
+
+void
+xf86DeleteDriver(int drvIndex)
+{
+ if (xf86DriverList[drvIndex]
+ && (!xf86DriverHasEntities(xf86DriverList[drvIndex]))) {
+ if (xf86DriverList[drvIndex]->module)
+ UnloadModule(xf86DriverList[drvIndex]->module);
+ free(xf86DriverList[drvIndex]);
+ xf86DriverList[drvIndex] = NULL;
+ }
+}
+
+/* Add a pointer to a new InputDriverRec to xf86InputDriverList */
+
+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;
+}
+
+void
+xf86DeleteInputDriver(int drvIndex)
+{
+ if (xf86InputDriverList[drvIndex] && xf86InputDriverList[drvIndex]->module)
+ UnloadModule(xf86InputDriverList[drvIndex]->module);
+ free(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;
+}
+
+/* Allocate a new ScrnInfoRec in xf86Screens */
+
+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);
+
+ 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.
+ */
+
+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--;
+
+ free(pScrn->privates);
+
+ xf86ClearEntityListForScreen(scrnIndex);
+
+ free(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.
+ */
+
+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 */
+ memset(&nprivs[idx], 0, sizeof(DevUnion));
+ pScr->privates = nprivs;
+ }
+ return idx;
+}
+
+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
+
+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->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.
+ */
+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.
+ */
+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 18:
+ scrp->weight.red = scrp->weight.green = scrp->weight.blue = 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;
+}
+
+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
+
+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;
+ }
+ /* Pretend we succeeded if we support better a gamma system.
+ * This avoids a confusing message.
+ */
+ if (xf86_crtc_supports_gamma(scrp))
+ return TRUE;
+ 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
+
+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
+
+
+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 = pScreen->root;
+ WindowPtr pChild;
+ Bool WasViewable = (Bool)(pWin->viewable);
+ Bool anyMarked = FALSE;
+ 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 = RegionCreate(NullBox, 1);
+ RegionSubtract(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;
+ RegionInit(&pWin->winSize, &box, 1);
+ RegionInit(&pWin->borderSize, &box, 1);
+ if (WasViewable)
+ RegionReset(&pWin->borderClip, &box);
+ pWin->drawable.width = pScreen->width;
+ pWin->drawable.height = pScreen->height;
+ RegionBreak(&pWin->clipList);
+ }
+ else
+ {
+ RegionEmpty(&pWin->borderClip);
+ RegionBreak(&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;
+ }
+
+
+ if (anyMarked)
+ (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
+ }
+
+ if (WasViewable)
+ {
+ if (anyMarked)
+ (*pScreen->HandleExposures)(pWin);
+ 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.
+ */
+void
+xf86EnableDisableFBAccess(int scrnIndex, Bool enable)
+{
+ ScrnInfoPtr pScrnInfo = xf86Screens[scrnIndex];
+ ScreenPtr pScreen = pScrnInfo->pScreen;
+ PixmapPtr pspix;
+
+ pspix = (*pScreen->GetScreenPixmap) (pScreen);
+ if (enable)
+ {
+ /*
+ * 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);
+ }
+}
+
+/* Print driver messages in the standard format */
+
+#undef PREFIX_SIZE
+#define PREFIX_SIZE 14
+
+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 = malloc(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);
+ free(tmpFormat);
+ } else
+ LogVMessageVerb(type, verb, format, args);
+}
+#undef PREFIX_SIZE
+
+/* Print driver messages, with verbose level specified directly */
+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) */
+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 input driver messages in the standard format of
+ <driver>: <device name>: <message> */
+void
+xf86VIDrvMsgVerb(InputInfoPtr dev, MessageType type, int verb, const char *format,
+ va_list args)
+{
+ char *msg;
+
+ if (asprintf(&msg, "%s: %s: %s", dev->drv->driverName, dev->name, format)
+ == -1) {
+ LogVMessageVerb(type, verb, "%s", args);
+ } else {
+ LogVMessageVerb(type, verb, msg, args);
+ free(msg);
+ }
+}
+
+/* Print input driver message, with verbose level specified directly */
+void
+xf86IDrvMsgVerb(InputInfoPtr dev, MessageType type, int verb, const char *format,
+ ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VIDrvMsgVerb(dev, type, verb, format, ap);
+ va_end(ap);
+}
+
+/* Print input driver messages, with verbose level of 1 (default) */
+void
+xf86IDrvMsg(InputInfoPtr dev, MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VIDrvMsgVerb(dev, type, 1, format, ap);
+ va_end(ap);
+}
+
+
+/* Print non-driver messages with verbose level specified directly */
+void
+xf86MsgVerb(MessageType type, int verb, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ LogVMessageVerb(type, verb, format, ap);
+ va_end(ap);
+}
+
+/* Print non-driver messages with verbose level of 1 (default) */
+void
+xf86Msg(MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ LogVMessageVerb(type, 1, format, ap);
+ va_end(ap);
+}
+
+/* Just like ErrorF, but with the verbose level checked */
+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 */
+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(void)
+{
+ char *lf = NULL;
+
+#define LOGSUFFIX ".log"
+#define LOGOLDSUFFIX ".old"
+
+ /* Get the log file name */
+ if (xf86LogFileFrom == X_DEFAULT) {
+ /* Append the display number and ".log" */
+ if (asprintf(&lf, "%s%%s" LOGSUFFIX, xf86LogFile) == -1)
+ FatalError("Cannot allocate space for the log file name\n");
+ xf86LogFile = lf;
+ }
+
+ xf86LogFile = LogInit(xf86LogFile, LOGOLDSUFFIX);
+ xf86LogFileWasOpened = TRUE;
+
+ xf86SetVerbosity(xf86Verbose);
+ xf86SetLogVerbosity(xf86LogVerbose);
+
+#undef LOGSUFFIX
+#undef LOGOLDSUFFIX
+
+ free(lf);
+}
+
+void
+xf86CloseLog(void)
+{
+ LogClose();
+}
+
+
+/*
+ * Drivers can use these for using their own SymTabRecs.
+ */
+
+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;
+}
+
+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
+ */
+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.
+ */
+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");
+}
+
+
+int
+xf86MatchDevice(const char *drivername, GDevPtr **sectlist)
+{
+ GDevPtr gdp, *pgdp = NULL;
+ confScreenPtr screensecptr;
+ int i,j;
+
+ if (sectlist)
+ *sectlist = NULL;
+
+ /*
+ * This can happen when running Xorg -showopts and a module like ati
+ * or vmware tries to load its submodules when xf86ConfigLayout is empty
+ */
+ if (!xf86ConfigLayout.screens)
+ return 0;
+
+ /*
+ * 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
+ free(pgdp);
+ return i;
+}
+
+/*
+ * xf86GetClocks -- get the dot-clocks via a BIG BAD hack ...
+ */
+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);
+
+ 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;
+
+ 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:
+ pScrn->clock[i] = cnt ? cnt : -1;
+ if (BlankScreen)
+ (*BlankScreen)(pScrn, TRUE);
+ }
+
+ 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);
+}
+
+const char *
+xf86GetVisualName(int visual)
+{
+ if (visual < 0 || visual > DirectColor)
+ return NULL;
+
+ return xf86VisualNames[visual];
+}
+
+
+int
+xf86GetVerbosity(void)
+{
+ return max(xf86Verbose, xf86LogVerbose);
+}
+
+Pix24Flags
+xf86GetPix24(void)
+{
+ return xf86Info.pixmap24;
+}
+
+
+int
+xf86GetDepth(void)
+{
+ return xf86Depth;
+}
+
+
+rgb
+xf86GetWeight(void)
+{
+ return xf86Weight;
+}
+
+
+Gamma
+xf86GetGamma(void)
+{
+ return xf86Gamma;
+}
+
+
+Bool
+xf86GetFlipPixels(void)
+{
+ return xf86FlipPixels;
+}
+
+
+const char *
+xf86GetServerName(void)
+{
+ return xf86ServerName;
+}
+
+
+Bool
+xf86ServerIsExiting(void)
+{
+ return (dispatchException & DE_TERMINATE) == DE_TERMINATE;
+}
+
+
+Bool
+xf86ServerIsResetting(void)
+{
+ return xf86Resetting;
+}
+
+
+Bool
+xf86ServerIsInitialising(void)
+{
+ return xf86Initialising;
+}
+
+
+Bool
+xf86ServerIsOnlyDetecting(void)
+{
+ return xf86DoConfigure;
+}
+
+
+Bool
+xf86CaughtSignal(void)
+{
+ return xf86Info.caughtSignal;
+}
+
+
+Bool
+xf86GetVidModeAllowNonLocal(void)
+{
+ return xf86Info.vidModeAllowNonLocal;
+}
+
+
+Bool
+xf86GetVidModeEnabled(void)
+{
+ return xf86Info.vidModeEnabled;
+}
+
+Bool
+xf86GetModInDevAllowNonLocal(void)
+{
+ return xf86Info.miscModInDevAllowNonLocal;
+}
+
+
+Bool
+xf86GetModInDevEnabled(void)
+{
+ return xf86Info.miscModInDevEnabled;
+}
+
+
+Bool
+xf86GetAllowMouseOpenFail(void)
+{
+ return xf86Info.allowMouseOpenFail;
+}
+
+
+Bool
+xf86IsPc98(void)
+{
+#if SUPPORT_PC98
+ return xf86Info.pc98;
+#else
+ return FALSE;
+#endif
+}
+
+void
+xf86DisableRandR(void)
+{
+ xf86Info.disableRandR = TRUE;
+ xf86Info.randRFrom = X_PROBED;
+}
+
+CARD32
+xf86GetModuleVersion(pointer module)
+{
+ return (CARD32)LoaderGetModuleVersion(module);
+}
+
+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;
+}
+
+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.
+ */
+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') {
+ free(Name);
+ return NULL;
+ }
+
+ mod = LoadModule(Name, NULL, NULL, NULL, opt, NULL, &errmaj, &errmin);
+ if (!mod)
+ LoaderErrorMsg(NULL, Name, errmaj, errmin);
+ free(Name);
+ return mod;
+}
+
+void
+xf86UnloadSubModule(pointer mod)
+{
+ /*
+ * This is disabled for now. The loader isn't smart enough yet to undo
+ * relocations.
+ */
+#if 0
+ UnloadSubModule(mod);
+#endif
+}
+
+Bool
+xf86LoaderCheckSymbol(const char *name)
+{
+ return LoaderSymbol(name) != NULL;
+}
+
+typedef enum {
+ OPTION_BACKING_STORE
+} BSOpts;
+
+static const OptionInfoRec BSOptions[] = {
+ { OPTION_BACKING_STORE, "BackingStore", OPTV_BOOLEAN, {0}, FALSE },
+ { -1, NULL, OPTV_NONE, {0}, FALSE }
+};
+
+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;
+ }
+ free(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 }
+};
+
+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 */
+ /* TODO VGA arb disable silken mouse */
+ if (xf86silkenMouseDisableFlag) {
+ from = X_CMDLINE;
+ useSM = FALSE;
+ } else {
+ if (xf86GetOptValBool(options, OPTION_SILKEN_MOUSE, &useSM))
+ from = X_CONFIG;
+ }
+ free(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 && xf86Info.useSIGIO && 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. */
+
+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"
+
+static 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);
+}
+
+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)) {
+ free(pEnt);
+ return pScrn;
+ }
+
+ if (!pEnt->active) {
+ xf86ConfigFbEntityInactive(pEnt, init, enter, leave, private);
+ free(pEnt);
+ return pScrn;
+ }
+
+ if (!pScrn)
+ pScrn = xf86AllocateScreen(pEnt->driver,scrnFlag);
+ xf86AddEntityToScreen(pScrn,entityIndex);
+
+ xf86SetEntityFuncs(entityIndex,init,enter,leave,private);
+
+ return pScrn;
+}
+
+Bool
+xf86IsScreenPrimary(int scrnIndex)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+ int i;
+
+ for (i=0 ; i < pScrn->numEntities; i++) {
+ if (xf86IsEntityPrimary(i))
+ return TRUE;
+ }
+ return FALSE;
+}
+
+int
+xf86RegisterRootWindowProperty(int ScrnIndex, Atom property, Atom type,
+ int format, unsigned long len, pointer value )
+{
+ RootWinPropPtr pNewProp = NULL, pRegProp;
+ int i;
+ Bool existing = FALSE;
+
+ DebugF("xf86RegisterRootWindowProperty(%d, %ld, %ld, %d, %ld, %p)\n",
+ ScrnIndex, property, type, format, len, value);
+
+ 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)malloc(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 {
+ free(pNewProp->name);
+ existing = TRUE;
+ }
+
+ pNewProp->name = xnfstrdup(NameForAtom(property));
+ pNewProp->type = type;
+ pNewProp->format = format;
+ pNewProp->size = len;
+ pNewProp->data = value;
+
+ DebugF("new property filled\n");
+
+ if (NULL==xf86RegisteredPropertiesTable) {
+ DebugF("creating xf86RegisteredPropertiesTable[] size %d\n",
+ xf86NumScreens);
+ if ( NULL==(xf86RegisteredPropertiesTable=(RootWinPropPtr*)xnfcalloc(sizeof(RootWinProp),xf86NumScreens) )) {
+ return BadAlloc;
+ }
+ for (i=0; i<xf86NumScreens; i++) {
+ xf86RegisteredPropertiesTable[i] = NULL;
+ }
+ }
+
+ DebugF("xf86RegisteredPropertiesTable %p\n",
+ (void *)xf86RegisteredPropertiesTable);
+ DebugF("xf86RegisteredPropertiesTable[%d] %p\n",
+ ScrnIndex, (void *)xf86RegisteredPropertiesTable[ScrnIndex]);
+
+ if (!existing) {
+ if ( xf86RegisteredPropertiesTable[ScrnIndex] == NULL) {
+ xf86RegisteredPropertiesTable[ScrnIndex] = pNewProp;
+ } else {
+ pRegProp = xf86RegisteredPropertiesTable[ScrnIndex];
+ while (pRegProp->next != NULL) {
+ DebugF("- next %p\n", (void *)pRegProp);
+ pRegProp = pRegProp->next;
+ }
+ pRegProp->next = pNewProp;
+ }
+ }
+ DebugF("xf86RegisterRootWindowProperty succeeded\n");
+ return Success;
+}
+
+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;
+ }
+}
+
+void
+xf86MotionHistoryAllocate(InputInfoPtr pInfo)
+{
+ AllocateMotionHistory(pInfo->dev);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 07:26:10 +0000