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authorMatthieu Herrb <matthieu@cvs.openbsd.org>2006-11-26 20:03:44 +0000
committerMatthieu Herrb <matthieu@cvs.openbsd.org>2006-11-26 20:03:44 +0000
commit825703dbe31e6b96e993914ea7a3ab0d0db77ca1 (patch)
tree95740e047e2a2b30f4371257b1c4589518b01ae0 /driver/xf86-video-fbdev/src
parentd5526120a6053c1ed106ae69b8f5f899933ac26d (diff)
Importing xf86-video-fbdev 0.3.0
Diffstat (limited to 'driver/xf86-video-fbdev/src')
-rw-r--r--driver/xf86-video-fbdev/src/Makefile.am32
-rw-r--r--driver/xf86-video-fbdev/src/Makefile.in501
-rw-r--r--driver/xf86-video-fbdev/src/fbdev.c1154
3 files changed, 1687 insertions, 0 deletions
diff --git a/driver/xf86-video-fbdev/src/Makefile.am b/driver/xf86-video-fbdev/src/Makefile.am
new file mode 100644
index 000000000..12031775e
--- /dev/null
+++ b/driver/xf86-video-fbdev/src/Makefile.am
@@ -0,0 +1,32 @@
+# Copyright 2005 Adam Jackson.
+#
+# 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
+# on the rights to use, copy, modify, merge, publish, distribute, sub
+# license, 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 (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+# ADAM JACKSON 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.
+
+# this is obnoxious:
+# -module lets us name the module exactly how we want
+# -avoid-version prevents gratuitous .0.0.0 version numbers on the end
+# _ladir passes a dummy rpath to libtool so the thing will actually link
+# TODO: -nostdlib/-Bstatic/-lgcc platform magic, not installing the .a, etc.
+AM_CFLAGS = @XORG_CFLAGS@
+fbdev_drv_la_LTLIBRARIES = fbdev_drv.la
+fbdev_drv_la_LDFLAGS = -module -avoid-version
+fbdev_drv_ladir = @moduledir@/drivers
+
+fbdev_drv_la_SOURCES = \
+ fbdev.c
diff --git a/driver/xf86-video-fbdev/src/Makefile.in b/driver/xf86-video-fbdev/src/Makefile.in
new file mode 100644
index 000000000..0cf626a04
--- /dev/null
+++ b/driver/xf86-video-fbdev/src/Makefile.in
@@ -0,0 +1,501 @@
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Copyright 2005 Adam Jackson.
+#
+# 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
+# on the rights to use, copy, modify, merge, publish, distribute, sub
+# license, 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 (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+# ADAM JACKSON 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.
+
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+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
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+# this is obnoxious:
+# -module lets us name the module exactly how we want
+# -avoid-version prevents gratuitous .0.0.0 version numbers on the end
+# _ladir passes a dummy rpath to libtool so the thing will actually link
+# TODO: -nostdlib/-Bstatic/-lgcc platform magic, not installing the .a, etc.
+AM_CFLAGS = @XORG_CFLAGS@
+fbdev_drv_la_LTLIBRARIES = fbdev_drv.la
+fbdev_drv_la_LDFLAGS = -module -avoid-version
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+fbdev_drv_la_SOURCES = \
+ fbdev.c
+
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+ echo " $(LIBTOOL) --mode=install $(fbdev_drv_laLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(fbdev_drv_ladir)/$$f'"; \
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+ else :; fi; \
+ done
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+ p=$(am__strip_dir) \
+ echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(fbdev_drv_ladir)/$$p'"; \
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+ done
+
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+ echo "rm -f \"$${dir}/so_locations\""; \
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+ done
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+ $(LINK) -rpath $(fbdev_drv_ladir) $(fbdev_drv_la_LDFLAGS) $(fbdev_drv_la_OBJECTS) $(fbdev_drv_la_LIBADD) $(LIBS)
+
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+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-fbdev_drv_laLTLIBRARIES uninstall-info-am
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean \
+ clean-fbdev_drv_laLTLIBRARIES clean-generic clean-libtool \
+ ctags distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-exec install-exec-am \
+ install-fbdev_drv_laLTLIBRARIES install-info install-info-am \
+ install-man install-strip installcheck installcheck-am \
+ installdirs maintainer-clean maintainer-clean-generic \
+ mostlyclean mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+ uninstall-am uninstall-fbdev_drv_laLTLIBRARIES \
+ uninstall-info-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/driver/xf86-video-fbdev/src/fbdev.c b/driver/xf86-video-fbdev/src/fbdev.c
new file mode 100644
index 000000000..fec5cb50c
--- /dev/null
+++ b/driver/xf86-video-fbdev/src/fbdev.c
@@ -0,0 +1,1154 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/fbdev/fbdev.c,v 1.44 2003/09/24 02:43:21 dawes Exp $ */
+
+/*
+ * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk>
+ * Michel Dänzer, <michdaen@iiic.ethz.ch>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+/* all driver need this */
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+#include "mipointer.h"
+#include "mibstore.h"
+#include "micmap.h"
+#include "colormapst.h"
+#include "xf86cmap.h"
+#include "shadow.h"
+#include "dgaproc.h"
+
+/* for visuals */
+#include "fb.h"
+#ifdef USE_AFB
+#include "afb.h"
+#endif
+
+#include "xf86Resources.h"
+#include "xf86RAC.h"
+
+#include "fbdevhw.h"
+
+#include "xf86xv.h"
+
+#define DEBUG 0
+
+#if DEBUG
+# define TRACE_ENTER(str) ErrorF("fbdev: " str " %d\n",pScrn->scrnIndex)
+# define TRACE_EXIT(str) ErrorF("fbdev: " str " done\n")
+# define TRACE(str) ErrorF("fbdev trace: " str "\n")
+#else
+# define TRACE_ENTER(str)
+# define TRACE_EXIT(str)
+# define TRACE(str)
+#endif
+
+/* -------------------------------------------------------------------- */
+/* prototypes */
+
+static const OptionInfoRec * FBDevAvailableOptions(int chipid, int busid);
+static void FBDevIdentify(int flags);
+static Bool FBDevProbe(DriverPtr drv, int flags);
+static Bool FBDevPreInit(ScrnInfoPtr pScrn, int flags);
+static Bool FBDevScreenInit(int Index, ScreenPtr pScreen, int argc,
+ char **argv);
+static Bool FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen);
+static void * FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
+ CARD32 *size, void *closure);
+static void FBDevPointerMoved(int index, int x, int y);
+static Bool FBDevDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen);
+static Bool FBDevDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op,
+ pointer ptr);
+
+
+enum { FBDEV_ROTATE_NONE=0, FBDEV_ROTATE_CW=270, FBDEV_ROTATE_UD=180, FBDEV_ROTATE_CCW=90 };
+
+/*static ShadowUpdateProc updateFuncs[] =
+ { shadowUpdatePacked, shadowUpdateRotate8_270, shadowUpdateRotate8_180, shadowUpdateRotate8_90,
+ shadowUpdatePacked, shadowUpdateRotate16_270, shadowUpdateRotate16_180, shadowUpdateRotate16_90,
+ shadowUpdatePacked, shadowUpdateRotate32_270, shadowUpdateRotate32_180, shadowUpdateRotate32_90 }; */
+
+
+/* -------------------------------------------------------------------- */
+
+/*
+ * This is intentionally screen-independent. It indicates the binding
+ * choice made in the first PreInit.
+ */
+static int pix24bpp = 0;
+
+#define FBDEV_VERSION 4000
+#define FBDEV_NAME "FBDEV"
+#define FBDEV_DRIVER_NAME "fbdev"
+#define FBDEV_MAJOR_VERSION 0
+#define FBDEV_MINOR_VERSION 3
+
+_X_EXPORT DriverRec FBDEV = {
+ FBDEV_VERSION,
+ FBDEV_DRIVER_NAME,
+#if 0
+ "driver for linux framebuffer devices",
+#endif
+ FBDevIdentify,
+ FBDevProbe,
+ FBDevAvailableOptions,
+ NULL,
+ 0,
+ FBDevDriverFunc
+};
+
+/* Supported "chipsets" */
+static SymTabRec FBDevChipsets[] = {
+ { 0, "fbdev" },
+#ifdef USE_AFB
+ { 0, "afb" },
+#endif
+ {-1, NULL }
+};
+
+/* Supported options */
+typedef enum {
+ OPTION_SHADOW_FB,
+ OPTION_ROTATE,
+ OPTION_FBDEV
+} FBDevOpts;
+
+static const OptionInfoRec FBDevOptions[] = {
+ { OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, FALSE },
+ { OPTION_ROTATE, "Rotate", OPTV_STRING, {0}, FALSE },
+ { OPTION_FBDEV, "fbdev", OPTV_STRING, {0}, FALSE },
+ { -1, NULL, OPTV_NONE, {0}, FALSE }
+};
+
+/* -------------------------------------------------------------------- */
+
+static const char *afbSymbols[] = {
+ "afbScreenInit",
+ "afbCreateDefColormap",
+ NULL
+};
+
+static const char *fbSymbols[] = {
+ "fbScreenInit",
+ "fbPictureInit",
+ NULL
+};
+
+static const char *shadowSymbols[] = {
+ "shadowAdd",
+ "shadowInit",
+ "shadowSetup",
+ "shadowUpdatePacked",
+ "shadowUpdatePackedWeak",
+ "shadowUpdateRotatePacked",
+ "shadowUpdateRotatePackedWeak",
+ NULL
+};
+
+static const char *fbdevHWSymbols[] = {
+ "fbdevHWInit",
+ "fbdevHWProbe",
+ "fbdevHWSetVideoModes",
+ "fbdevHWUseBuildinMode",
+
+ "fbdevHWGetDepth",
+ "fbdevHWGetLineLength",
+ "fbdevHWGetName",
+ "fbdevHWGetType",
+ "fbdevHWGetVidmem",
+ "fbdevHWLinearOffset",
+ "fbdevHWLoadPalette",
+ "fbdevHWMapVidmem",
+ "fbdevHWUnmapVidmem",
+
+ /* colormap */
+ "fbdevHWLoadPalette",
+ "fbdevHWLoadPaletteWeak",
+
+ /* ScrnInfo hooks */
+ "fbdevHWAdjustFrameWeak",
+ "fbdevHWEnterVTWeak",
+ "fbdevHWLeaveVTWeak",
+ "fbdevHWModeInit",
+ "fbdevHWRestore",
+ "fbdevHWSave",
+ "fbdevHWSaveScreen",
+ "fbdevHWSaveScreenWeak",
+ "fbdevHWSwitchModeWeak",
+ "fbdevHWValidModeWeak",
+
+ "fbdevHWDPMSSet",
+ "fbdevHWDPMSSetWeak",
+
+ NULL
+};
+
+#ifdef XFree86LOADER
+
+MODULESETUPPROTO(FBDevSetup);
+
+static XF86ModuleVersionInfo FBDevVersRec =
+{
+ "fbdev",
+ MODULEVENDORSTRING,
+ MODINFOSTRING1,
+ MODINFOSTRING2,
+ XORG_VERSION_CURRENT,
+ FBDEV_MAJOR_VERSION, FBDEV_MINOR_VERSION, 0,
+ ABI_CLASS_VIDEODRV,
+ ABI_VIDEODRV_VERSION,
+ NULL,
+ {0,0,0,0}
+};
+
+_X_EXPORT XF86ModuleData fbdevModuleData = { &FBDevVersRec, FBDevSetup, NULL };
+
+pointer
+FBDevSetup(pointer module, pointer opts, int *errmaj, int *errmin)
+{
+ static Bool setupDone = FALSE;
+
+ if (!setupDone) {
+ setupDone = TRUE;
+ xf86AddDriver(&FBDEV, module, HaveDriverFuncs);
+ LoaderRefSymLists(afbSymbols, fbSymbols,
+ shadowSymbols, fbdevHWSymbols, NULL);
+ return (pointer)1;
+ } else {
+ if (errmaj) *errmaj = LDR_ONCEONLY;
+ return NULL;
+ }
+}
+
+#endif /* XFree86LOADER */
+
+/* -------------------------------------------------------------------- */
+/* our private data, and two functions to allocate/free this */
+
+typedef struct {
+ unsigned char* fbstart;
+ unsigned char* fbmem;
+ int fboff;
+ int lineLength;
+ int rotate;
+ Bool shadowFB;
+ CloseScreenProcPtr CloseScreen;
+ void (*PointerMoved)(int index, int x, int y);
+ EntityInfoPtr pEnt;
+ /* DGA info */
+ DGAModePtr pDGAMode;
+ int nDGAMode;
+ OptionInfoPtr Options;
+} FBDevRec, *FBDevPtr;
+
+#define FBDEVPTR(p) ((FBDevPtr)((p)->driverPrivate))
+
+static Bool
+FBDevGetRec(ScrnInfoPtr pScrn)
+{
+ if (pScrn->driverPrivate != NULL)
+ return TRUE;
+
+ pScrn->driverPrivate = xnfcalloc(sizeof(FBDevRec), 1);
+ return TRUE;
+}
+
+static void
+FBDevFreeRec(ScrnInfoPtr pScrn)
+{
+ if (pScrn->driverPrivate == NULL)
+ return;
+ xfree(pScrn->driverPrivate);
+ pScrn->driverPrivate = NULL;
+}
+
+/* -------------------------------------------------------------------- */
+
+static const OptionInfoRec *
+FBDevAvailableOptions(int chipid, int busid)
+{
+ return FBDevOptions;
+}
+
+static void
+FBDevIdentify(int flags)
+{
+ xf86PrintChipsets(FBDEV_NAME, "driver for framebuffer", FBDevChipsets);
+}
+
+static Bool
+FBDevProbe(DriverPtr drv, int flags)
+{
+ int i;
+ ScrnInfoPtr pScrn;
+ GDevPtr *devSections;
+ int numDevSections;
+ int bus,device,func;
+ char *dev;
+ Bool foundScreen = FALSE;
+
+ TRACE("probe start");
+
+ /* For now, just bail out for PROBE_DETECT. */
+ if (flags & PROBE_DETECT)
+ return FALSE;
+
+ if ((numDevSections = xf86MatchDevice(FBDEV_DRIVER_NAME, &devSections)) <= 0)
+ return FALSE;
+
+ if (!xf86LoadDrvSubModule(drv, "fbdevhw"))
+ return FALSE;
+
+ xf86LoaderReqSymLists(fbdevHWSymbols, NULL);
+
+ for (i = 0; i < numDevSections; i++) {
+ Bool isIsa = FALSE;
+ Bool isPci = FALSE;
+
+ dev = xf86FindOptionValue(devSections[i]->options,"fbdev");
+ if (devSections[i]->busID) {
+ if (xf86ParsePciBusString(devSections[i]->busID,&bus,&device,
+ &func)) {
+ if (!xf86CheckPciSlot(bus,device,func))
+ continue;
+ isPci = TRUE;
+ } else if (xf86ParseIsaBusString(devSections[i]->busID))
+ isIsa = TRUE;
+
+ }
+ if (fbdevHWProbe(NULL,dev,NULL)) {
+ pScrn = NULL;
+ if (isPci) {
+ /* XXX what about when there's no busID set? */
+ int entity;
+
+ entity = xf86ClaimPciSlot(bus,device,func,drv,
+ 0,devSections[i],
+ TRUE);
+ pScrn = xf86ConfigPciEntity(pScrn,0,entity,
+ NULL,RES_SHARED_VGA,
+ NULL,NULL,NULL,NULL);
+ /* xf86DrvMsg() can't be called without setting these */
+ pScrn->driverName = FBDEV_DRIVER_NAME;
+ pScrn->name = FBDEV_NAME;
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
+ "claimed PCI slot %d:%d:%d\n",bus,device,func);
+
+ } else if (isIsa) {
+ int entity;
+
+ entity = xf86ClaimIsaSlot(drv, 0,
+ devSections[i], TRUE);
+ pScrn = xf86ConfigIsaEntity(pScrn,0,entity,
+ NULL,RES_SHARED_VGA,
+ NULL,NULL,NULL,NULL);
+ } else {
+ int entity;
+
+ entity = xf86ClaimFbSlot(drv, 0,
+ devSections[i], TRUE);
+ pScrn = xf86ConfigFbEntity(pScrn,0,entity,
+ NULL,NULL,NULL,NULL);
+
+ }
+ if (pScrn) {
+ foundScreen = TRUE;
+
+ pScrn->driverVersion = FBDEV_VERSION;
+ pScrn->driverName = FBDEV_DRIVER_NAME;
+ pScrn->name = FBDEV_NAME;
+ pScrn->Probe = FBDevProbe;
+ pScrn->PreInit = FBDevPreInit;
+ pScrn->ScreenInit = FBDevScreenInit;
+ pScrn->SwitchMode = fbdevHWSwitchModeWeak();
+ pScrn->AdjustFrame = fbdevHWAdjustFrameWeak();
+ pScrn->EnterVT = fbdevHWEnterVTWeak();
+ pScrn->LeaveVT = fbdevHWLeaveVTWeak();
+ pScrn->ValidMode = fbdevHWValidModeWeak();
+
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "using %s\n", dev ? dev : "default device");
+ }
+ }
+ }
+ xfree(devSections);
+ TRACE("probe done");
+ return foundScreen;
+}
+
+static Bool
+FBDevPreInit(ScrnInfoPtr pScrn, int flags)
+{
+ FBDevPtr fPtr;
+ int default_depth, fbbpp;
+ const char *mod = NULL, *s;
+ const char **syms = NULL;
+ int type;
+
+ if (flags & PROBE_DETECT) return FALSE;
+
+ TRACE_ENTER("PreInit");
+
+ /* Check the number of entities, and fail if it isn't one. */
+ if (pScrn->numEntities != 1)
+ return FALSE;
+
+ pScrn->monitor = pScrn->confScreen->monitor;
+
+ FBDevGetRec(pScrn);
+ fPtr = FBDEVPTR(pScrn);
+
+ fPtr->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
+
+ pScrn->racMemFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
+ /* XXX Is this right? Can probably remove RAC_FB */
+ pScrn->racIoFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
+
+ if (fPtr->pEnt->location.type == BUS_PCI &&
+ xf86RegisterResources(fPtr->pEnt->index,NULL,ResExclusive)) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "xf86RegisterResources() found resource conflicts\n");
+ return FALSE;
+ }
+
+ /* open device */
+ if (!fbdevHWInit(pScrn,NULL,xf86FindOptionValue(fPtr->pEnt->device->options,"fbdev")))
+ return FALSE;
+ default_depth = fbdevHWGetDepth(pScrn,&fbbpp);
+ if (!xf86SetDepthBpp(pScrn, default_depth, default_depth, fbbpp,
+ Support24bppFb | Support32bppFb | SupportConvert32to24 | PreferConvert32to24))
+ return FALSE;
+ xf86PrintDepthBpp(pScrn);
+
+ /* Get the depth24 pixmap format */
+ if (pScrn->depth == 24 && pix24bpp == 0)
+ pix24bpp = xf86GetBppFromDepth(pScrn, 24);
+
+ /* color weight */
+ if (pScrn->depth > 8) {
+ rgb zeros = { 0, 0, 0 };
+ if (!xf86SetWeight(pScrn, zeros, zeros))
+ return FALSE;
+ }
+
+ /* visual init */
+ if (!xf86SetDefaultVisual(pScrn, -1))
+ return FALSE;
+
+ /* We don't currently support DirectColor at > 8bpp */
+ if (pScrn->depth > 8 && pScrn->defaultVisual != TrueColor) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "requested default visual"
+ " (%s) is not supported at depth %d\n",
+ xf86GetVisualName(pScrn->defaultVisual), pScrn->depth);
+ return FALSE;
+ }
+
+ {
+ Gamma zeros = {0.0, 0.0, 0.0};
+
+ if (!xf86SetGamma(pScrn,zeros)) {
+ return FALSE;
+ }
+ }
+
+ pScrn->progClock = TRUE;
+ pScrn->rgbBits = 8;
+ pScrn->chipset = "fbdev";
+ pScrn->videoRam = fbdevHWGetVidmem(pScrn);
+
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "hardware: %s (video memory:"
+ " %dkB)\n", fbdevHWGetName(pScrn), pScrn->videoRam/1024);
+
+ /* handle options */
+ xf86CollectOptions(pScrn, NULL);
+ if (!(fPtr->Options = xalloc(sizeof(FBDevOptions))))
+ return FALSE;
+ memcpy(fPtr->Options, FBDevOptions, sizeof(FBDevOptions));
+ xf86ProcessOptions(pScrn->scrnIndex, fPtr->pEnt->device->options, fPtr->Options);
+
+ /* use shadow framebuffer by default */
+ fPtr->shadowFB = xf86ReturnOptValBool(fPtr->Options, OPTION_SHADOW_FB, TRUE);
+
+ /* rotation */
+ fPtr->rotate = FBDEV_ROTATE_NONE;
+ if ((s = xf86GetOptValString(fPtr->Options, OPTION_ROTATE)))
+ {
+ if(!xf86NameCmp(s, "CW"))
+ {
+ fPtr->shadowFB = TRUE;
+ fPtr->rotate = FBDEV_ROTATE_CW;
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
+ "rotating screen clockwise\n");
+ }
+ else if(!xf86NameCmp(s, "CCW"))
+ {
+ fPtr->shadowFB = TRUE;
+ fPtr->rotate = FBDEV_ROTATE_CCW;
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
+ "rotating screen counter-clockwise\n");
+ }
+ else if(!xf86NameCmp(s, "UD"))
+ {
+ fPtr->shadowFB = TRUE;
+ fPtr->rotate = FBDEV_ROTATE_UD;
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
+ "rotating screen upside-down\n");
+ }
+ else
+ {
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
+ "\"%s\" is not a valid value for Option \"Rotate\"\n", s);
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "valid options are \"CW\", \"CCW\" and \"UD\"\n");
+ }
+ }
+
+ /* select video modes */
+
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "checking modes against framebuffer device...\n");
+ fbdevHWSetVideoModes(pScrn);
+
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "checking modes against monitor...\n");
+ {
+ DisplayModePtr mode, first = mode = pScrn->modes;
+
+ if (mode != NULL) do {
+ mode->status = xf86CheckModeForMonitor(mode, pScrn->monitor);
+ mode = mode->next;
+ } while (mode != NULL && mode != first);
+
+ xf86PruneDriverModes(pScrn);
+ }
+
+ if (NULL == pScrn->modes)
+ fbdevHWUseBuildinMode(pScrn);
+ pScrn->currentMode = pScrn->modes;
+
+ if (fPtr->shadowFB)
+ pScrn->displayWidth = pScrn->virtualX; /* ShadowFB handles this correctly */
+ else {
+ int fbbpp;
+ /* FIXME: this doesn't work for all cases, e.g. when each scanline
+ has a padding which is independent from the depth (controlfb) */
+ fbdevHWGetDepth(pScrn,&fbbpp);
+ pScrn->displayWidth = fbdevHWGetLineLength(pScrn)/(fbbpp >> 3);
+ }
+
+ xf86PrintModes(pScrn);
+
+ /* Set display resolution */
+ xf86SetDpi(pScrn, 0, 0);
+
+ /* Load bpp-specific modules */
+ switch ((type = fbdevHWGetType(pScrn)))
+ {
+ case FBDEVHW_PLANES:
+ mod = "afb";
+ syms = afbSymbols;
+ break;
+ case FBDEVHW_PACKED_PIXELS:
+ switch (pScrn->bitsPerPixel)
+ {
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ mod = "fb";
+ syms = fbSymbols;
+ break;
+ default:
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "unsupported number of bits per pixel: %d",
+ pScrn->bitsPerPixel);
+ return FALSE;
+ }
+ break;
+ case FBDEVHW_INTERLEAVED_PLANES:
+ /* Not supported yet, don't know what to do with this */
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "interleaved planes are not yet supported by the "
+ "fbdev driver\n");
+ return FALSE;
+ case FBDEVHW_TEXT:
+ /* This should never happen ...
+ * we should check for this much much earlier ... */
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "text mode is not supported by the fbdev driver\n");
+ return FALSE;
+ case FBDEVHW_VGA_PLANES:
+ /* Not supported yet */
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "EGA/VGA planes are not yet supported by the fbdev "
+ "driver\n");
+ return FALSE;
+ default:
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "unrecognised fbdev hardware type (%d)\n", type);
+ return FALSE;
+ }
+ if (mod && xf86LoadSubModule(pScrn, mod) == NULL) {
+ FBDevFreeRec(pScrn);
+ return FALSE;
+ }
+ if (mod && syms) {
+ xf86LoaderReqSymLists(syms, NULL);
+ }
+
+ /* Load shadow if needed */
+ if (fPtr->shadowFB) {
+ xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "using shadow"
+ " framebuffer\n");
+ if (!xf86LoadSubModule(pScrn, "shadow")) {
+ FBDevFreeRec(pScrn);
+ return FALSE;
+ }
+ xf86LoaderReqSymLists(shadowSymbols, NULL);
+ }
+
+ TRACE_EXIT("PreInit");
+ return TRUE;
+}
+
+static Bool
+FBDevShadowInit(ScreenPtr pScreen, FBDevPtr fPtr)
+{
+ PixmapPtr pPixmap;
+ ShadowUpdateProc update;
+ ShadowWindowProc window;
+
+ pPixmap = pScreen->CreatePixmap(pScreen, pScreen->width, pScreen->height,
+ pScreen->rootDepth);
+ if (!pPixmap)
+ return FALSE;
+
+ if (!shadowSetup(pScreen)) {
+ pScreen->DestroyPixmap(pPixmap);
+ return FALSE;
+ }
+
+ update = fPtr->rotate ? shadowUpdateRotatePackedWeak()
+ : shadowUpdatePackedWeak();
+
+ if (!shadowAdd(pScreen, pPixmap, update, FBDevWindowLinear,
+ fPtr->rotate, NULL)) {
+ pScreen->DestroyPixmap(pPixmap);
+ return FALSE;
+ } else {
+ return TRUE;
+ }
+}
+
+
+static Bool
+FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ FBDevPtr fPtr = FBDEVPTR(pScrn);
+ VisualPtr visual;
+ int init_picture = 0;
+ int ret,flags,width,height;
+ int type;
+
+ TRACE_ENTER("FBDevScreenInit");
+
+#if DEBUG
+ ErrorF("\tbitsPerPixel=%d, depth=%d, defaultVisual=%s\n"
+ "\tmask: %x,%x,%x, offset: %d,%d,%d\n",
+ pScrn->bitsPerPixel,
+ pScrn->depth,
+ xf86GetVisualName(pScrn->defaultVisual),
+ pScrn->mask.red,pScrn->mask.green,pScrn->mask.blue,
+ pScrn->offset.red,pScrn->offset.green,pScrn->offset.blue);
+#endif
+
+ if (NULL == (fPtr->fbmem = fbdevHWMapVidmem(pScrn))) {
+ xf86DrvMsg(scrnIndex,X_ERROR,"mapping of video memory"
+ " failed\n");
+ return FALSE;
+ }
+ fPtr->fboff = fbdevHWLinearOffset(pScrn);
+
+ fbdevHWSave(pScrn);
+
+ if (!fbdevHWModeInit(pScrn, pScrn->currentMode)) {
+ xf86DrvMsg(scrnIndex,X_ERROR,"mode initialization failed\n");
+ return FALSE;
+ }
+ fbdevHWSaveScreen(pScreen, SCREEN_SAVER_ON);
+ fbdevHWAdjustFrame(scrnIndex,0,0,0);
+
+ /* mi layer */
+ miClearVisualTypes();
+ if (pScrn->bitsPerPixel > 8) {
+ if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, TrueColor)) {
+ xf86DrvMsg(scrnIndex,X_ERROR,"visual type setup failed"
+ " for %d bits per pixel [1]\n",
+ pScrn->bitsPerPixel);
+ return FALSE;
+ }
+ } else {
+ if (!miSetVisualTypes(pScrn->depth,
+ miGetDefaultVisualMask(pScrn->depth),
+ pScrn->rgbBits, pScrn->defaultVisual)) {
+ xf86DrvMsg(scrnIndex,X_ERROR,"visual type setup failed"
+ " for %d bits per pixel [2]\n",
+ pScrn->bitsPerPixel);
+ return FALSE;
+ }
+ }
+ if (!miSetPixmapDepths()) {
+ xf86DrvMsg(scrnIndex,X_ERROR,"pixmap depth setup failed\n");
+ return FALSE;
+ }
+
+ if(fPtr->rotate==FBDEV_ROTATE_CW || fPtr->rotate==FBDEV_ROTATE_CCW)
+ {
+ height = pScrn->virtualX;
+ width = pScrn->displayWidth = pScrn->virtualY;
+ } else {
+ height = pScrn->virtualY;
+ width = pScrn->virtualX;
+ }
+
+ if(fPtr->rotate && !fPtr->PointerMoved) {
+ fPtr->PointerMoved = pScrn->PointerMoved;
+ pScrn->PointerMoved = FBDevPointerMoved;
+ }
+
+ fPtr->fbstart = fPtr->fbmem + fPtr->fboff;
+
+ switch ((type = fbdevHWGetType(pScrn)))
+ {
+#ifdef USE_AFB
+ case FBDEVHW_PLANES:
+ if (fPtr->rotate)
+ {
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: rotate not supported for afb\n");
+ ret = FALSE;
+ break;
+ }
+ if (fPtr->shadowFB)
+ {
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: shadow framebuffer not supported"
+ " for afb\n");
+ ret = FALSE;
+ break;
+ }
+ ret = afbScreenInit
+ (pScreen, fPtr->fbstart, pScrn->virtualX, pScrn->virtualY,
+ pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth);
+ break;
+#endif
+ case FBDEVHW_PACKED_PIXELS:
+ switch (pScrn->bitsPerPixel) {
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ ret = fbScreenInit(pScreen, fPtr->fbstart, width, height,
+ pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth, pScrn->bitsPerPixel);
+ init_picture = 1;
+ break;
+ default:
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: invalid number of bits per"
+ " pixel (%d) encountered in"
+ " FBDevScreenInit()\n", pScrn->bitsPerPixel);
+ ret = FALSE;
+ break;
+ }
+ break;
+ case FBDEVHW_INTERLEAVED_PLANES:
+ /* This should never happen ...
+ * we should check for this much much earlier ... */
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: interleaved planes are not yet "
+ "supported by the fbdev driver\n");
+ ret = FALSE;
+ break;
+ case FBDEVHW_TEXT:
+ /* This should never happen ...
+ * we should check for this much much earlier ... */
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: text mode is not supported by the "
+ "fbdev driver\n");
+ ret = FALSE;
+ break;
+ case FBDEVHW_VGA_PLANES:
+ /* Not supported yet */
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: EGA/VGA Planes are not yet "
+ "supported by the fbdev driver\n");
+ ret = FALSE;
+ break;
+ default:
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: unrecognised hardware type (%d) "
+ "encountered in FBDevScreenInit()\n");
+ ret = FALSE;
+ break;
+ }
+ if (!ret)
+ return FALSE;
+
+ if (pScrn->bitsPerPixel > 8) {
+ /* Fixup RGB ordering */
+ visual = pScreen->visuals + pScreen->numVisuals;
+ while (--visual >= pScreen->visuals) {
+ if ((visual->class | DynamicClass) == DirectColor) {
+ visual->offsetRed = pScrn->offset.red;
+ visual->offsetGreen = pScrn->offset.green;
+ visual->offsetBlue = pScrn->offset.blue;
+ visual->redMask = pScrn->mask.red;
+ visual->greenMask = pScrn->mask.green;
+ visual->blueMask = pScrn->mask.blue;
+ }
+ }
+ }
+
+ /* must be after RGB ordering fixed */
+ if (init_picture && !fbPictureInit(pScreen, NULL, 0))
+ xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+ "Render extension initialisation failed\n");
+
+ if (fPtr->shadowFB && !FBDevShadowInit(pScreen, fPtr)) {
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "shadow framebuffer initialization failed\n");
+ return FALSE;
+ }
+
+ if (!fPtr->rotate)
+ FBDevDGAInit(pScrn, pScreen);
+ else {
+ xf86DrvMsg(scrnIndex, X_INFO, "display rotated; disabling DGA\n");
+ xf86DrvMsg(scrnIndex, X_INFO, "using driver rotation; disabling "
+ "XRandR\n");
+ xf86DisableRandR();
+ if (pScrn->bitsPerPixel == 24)
+ xf86DrvMsg(scrnIndex, X_WARNING, "rotation might be broken at 24 "
+ "bits per pixel\n");
+ }
+
+ xf86SetBlackWhitePixels(pScreen);
+ miInitializeBackingStore(pScreen);
+ xf86SetBackingStore(pScreen);
+
+ /* software cursor */
+ miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
+
+ /* colormap */
+ switch ((type = fbdevHWGetType(pScrn)))
+ {
+ /* XXX It would be simpler to use miCreateDefColormap() in all cases. */
+#ifdef USE_AFB
+ case FBDEVHW_PLANES:
+ if (!afbCreateDefColormap(pScreen)) {
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: afbCreateDefColormap "
+ "failed in FBDevScreenInit()\n");
+ return FALSE;
+ }
+ break;
+#endif
+ case FBDEVHW_PACKED_PIXELS:
+ if (!miCreateDefColormap(pScreen)) {
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: miCreateDefColormap failed "
+ "in FBDevScreenInit()\n");
+ return FALSE;
+ }
+ break;
+ case FBDEVHW_INTERLEAVED_PLANES:
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: interleaved planes are not yet "
+ "supported by the fbdev driver\n");
+ return FALSE;
+ case FBDEVHW_TEXT:
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: text mode is not supported by "
+ "the fbdev driver\n");
+ return FALSE;
+ case FBDEVHW_VGA_PLANES:
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: EGA/VGA planes are not yet "
+ "supported by the fbdev driver\n");
+ return FALSE;
+ default:
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "internal error: unrecognised fbdev hardware type "
+ "(%d) encountered in FBDevScreenInit()\n", type);
+ return FALSE;
+ }
+ flags = CMAP_PALETTED_TRUECOLOR;
+ if(!xf86HandleColormaps(pScreen, 256, 8, fbdevHWLoadPaletteWeak(),
+ NULL, flags))
+ return FALSE;
+
+ xf86DPMSInit(pScreen, fbdevHWDPMSSetWeak(), 0);
+
+ pScreen->SaveScreen = fbdevHWSaveScreenWeak();
+
+ /* Wrap the current CloseScreen function */
+ fPtr->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = FBDevCloseScreen;
+
+ {
+ XF86VideoAdaptorPtr *ptr;
+
+ int n = xf86XVListGenericAdaptors(pScrn,&ptr);
+ if (n) {
+ xf86XVScreenInit(pScreen,ptr,n);
+ }
+ }
+
+ TRACE_EXIT("FBDevScreenInit");
+
+ return TRUE;
+}
+
+static Bool
+FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+ FBDevPtr fPtr = FBDEVPTR(pScrn);
+
+ fbdevHWRestore(pScrn);
+ fbdevHWUnmapVidmem(pScrn);
+ if (fPtr->pDGAMode) {
+ xfree(fPtr->pDGAMode);
+ fPtr->pDGAMode = NULL;
+ fPtr->nDGAMode = 0;
+ }
+ pScrn->vtSema = FALSE;
+
+ pScreen->CloseScreen = fPtr->CloseScreen;
+ return (*pScreen->CloseScreen)(scrnIndex, pScreen);
+}
+
+
+
+/***********************************************************************
+ * Shadow stuff
+ ***********************************************************************/
+
+static void *
+FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode,
+ CARD32 *size, void *closure)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ FBDevPtr fPtr = FBDEVPTR(pScrn);
+
+ if (!pScrn->vtSema)
+ return NULL;
+
+ if (fPtr->lineLength)
+ *size = fPtr->lineLength;
+ else
+ *size = fPtr->lineLength = fbdevHWGetLineLength(pScrn);
+
+ return ((CARD8 *)fPtr->fbmem + fPtr->fboff + row * fPtr->lineLength + offset);
+}
+
+static void
+FBDevPointerMoved(int index, int x, int y)
+{
+ ScrnInfoPtr pScrn = xf86Screens[index];
+ FBDevPtr fPtr = FBDEVPTR(pScrn);
+ int newX, newY;
+
+ switch (fPtr->rotate)
+ {
+ case FBDEV_ROTATE_CW:
+ /* 90 degrees CW rotation. */
+ newX = pScrn->pScreen->height - y - 1;
+ newY = x;
+ break;
+
+ case FBDEV_ROTATE_CCW:
+ /* 90 degrees CCW rotation. */
+ newX = y;
+ newY = pScrn->pScreen->width - x - 1;
+ break;
+
+ case FBDEV_ROTATE_UD:
+ /* 180 degrees UD rotation. */
+ newX = pScrn->pScreen->width - x - 1;
+ newY = pScrn->pScreen->height - y - 1;
+ break;
+
+ default:
+ /* No rotation. */
+ newX = x;
+ newY = y;
+ break;
+ }
+
+ /* Pass adjusted pointer coordinates to wrapped PointerMoved function. */
+ (*fPtr->PointerMoved)(index, newX, newY);
+}
+
+
+/***********************************************************************
+ * DGA stuff
+ ***********************************************************************/
+static Bool FBDevDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName,
+ unsigned char **ApertureBase,
+ int *ApertureSize, int *ApertureOffset,
+ int *flags);
+static Bool FBDevDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode);
+static void FBDevDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags);
+
+static Bool
+FBDevDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName,
+ unsigned char **ApertureBase, int *ApertureSize,
+ int *ApertureOffset, int *flags)
+{
+ *DeviceName = NULL; /* No special device */
+ *ApertureBase = (unsigned char *)(pScrn->memPhysBase);
+ *ApertureSize = pScrn->videoRam;
+ *ApertureOffset = pScrn->fbOffset;
+ *flags = 0;
+
+ return TRUE;
+}
+
+static Bool
+FBDevDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode)
+{
+ DisplayModePtr pMode;
+ int scrnIdx = pScrn->pScreen->myNum;
+ int frameX0, frameY0;
+
+ if (pDGAMode) {
+ pMode = pDGAMode->mode;
+ frameX0 = frameY0 = 0;
+ }
+ else {
+ if (!(pMode = pScrn->currentMode))
+ return TRUE;
+
+ frameX0 = pScrn->frameX0;
+ frameY0 = pScrn->frameY0;
+ }
+
+ if (!(*pScrn->SwitchMode)(scrnIdx, pMode, 0))
+ return FALSE;
+ (*pScrn->AdjustFrame)(scrnIdx, frameX0, frameY0, 0);
+
+ return TRUE;
+}
+
+static void
+FBDevDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags)
+{
+ (*pScrn->AdjustFrame)(pScrn->pScreen->myNum, x, y, flags);
+}
+
+static int
+FBDevDGAGetViewport(ScrnInfoPtr pScrn)
+{
+ return (0);
+}
+
+static DGAFunctionRec FBDevDGAFunctions =
+{
+ FBDevDGAOpenFramebuffer,
+ NULL, /* CloseFramebuffer */
+ FBDevDGASetMode,
+ FBDevDGASetViewport,
+ FBDevDGAGetViewport,
+ NULL, /* Sync */
+ NULL, /* FillRect */
+ NULL, /* BlitRect */
+ NULL, /* BlitTransRect */
+};
+
+static void
+FBDevDGAAddModes(ScrnInfoPtr pScrn)
+{
+ FBDevPtr fPtr = FBDEVPTR(pScrn);
+ DisplayModePtr pMode = pScrn->modes;
+ DGAModePtr pDGAMode;
+
+ do {
+ pDGAMode = xrealloc(fPtr->pDGAMode,
+ (fPtr->nDGAMode + 1) * sizeof(DGAModeRec));
+ if (!pDGAMode)
+ break;
+
+ fPtr->pDGAMode = pDGAMode;
+ pDGAMode += fPtr->nDGAMode;
+ (void)memset(pDGAMode, 0, sizeof(DGAModeRec));
+
+ ++fPtr->nDGAMode;
+ pDGAMode->mode = pMode;
+ pDGAMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE;
+ pDGAMode->byteOrder = pScrn->imageByteOrder;
+ pDGAMode->depth = pScrn->depth;
+ pDGAMode->bitsPerPixel = pScrn->bitsPerPixel;
+ pDGAMode->red_mask = pScrn->mask.red;
+ pDGAMode->green_mask = pScrn->mask.green;
+ pDGAMode->blue_mask = pScrn->mask.blue;
+ pDGAMode->visualClass = pScrn->bitsPerPixel > 8 ?
+ TrueColor : PseudoColor;
+ pDGAMode->xViewportStep = 1;
+ pDGAMode->yViewportStep = 1;
+ pDGAMode->viewportWidth = pMode->HDisplay;
+ pDGAMode->viewportHeight = pMode->VDisplay;
+
+ if (fPtr->lineLength)
+ pDGAMode->bytesPerScanline = fPtr->lineLength;
+ else
+ pDGAMode->bytesPerScanline = fPtr->lineLength = fbdevHWGetLineLength(pScrn);
+
+ pDGAMode->imageWidth = pMode->HDisplay;
+ pDGAMode->imageHeight = pMode->VDisplay;
+ pDGAMode->pixmapWidth = pDGAMode->imageWidth;
+ pDGAMode->pixmapHeight = pDGAMode->imageHeight;
+ pDGAMode->maxViewportX = pScrn->virtualX -
+ pDGAMode->viewportWidth;
+ pDGAMode->maxViewportY = pScrn->virtualY -
+ pDGAMode->viewportHeight;
+
+ pDGAMode->address = fPtr->fbstart;
+
+ pMode = pMode->next;
+ } while (pMode != pScrn->modes);
+}
+
+static Bool
+FBDevDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen)
+{
+ FBDevPtr fPtr = FBDEVPTR(pScrn);
+
+ if (pScrn->depth < 8)
+ return FALSE;
+
+ if (!fPtr->nDGAMode)
+ FBDevDGAAddModes(pScrn);
+
+ return (DGAInit(pScreen, &FBDevDGAFunctions,
+ fPtr->pDGAMode, fPtr->nDGAMode));
+}
+
+static Bool
+FBDevDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr)
+{
+ xorgHWFlags *flag;
+
+ switch (op) {
+ case GET_REQUIRED_HW_INTERFACES:
+ flag = (CARD32*)ptr;
+ (*flag) = 0;
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}