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-rw-r--r--xorg-server/hw/xfree86/os-support/shared/bios_devmem.c75
-rw-r--r--xorg-server/hw/xfree86/os-support/shared/ia64Pci.c188
-rw-r--r--xorg-server/hw/xfree86/os-support/shared/vidmem.c586
3 files changed, 290 insertions, 559 deletions
diff --git a/xorg-server/hw/xfree86/os-support/shared/bios_devmem.c b/xorg-server/hw/xfree86/os-support/shared/bios_devmem.c
deleted file mode 100644
index 4699fcb88..000000000
--- a/xorg-server/hw/xfree86/os-support/shared/bios_devmem.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright 1993 by David Wexelblat <dwex@goblin.org>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of David Wexelblat not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. David Wexelblat makes no representations
- * about the suitability of this software for any purpose. It is provided
- * "as is" without express or implied warranty.
- *
- * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL DAVID WEXELBLAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86_OSlib.h"
-#include <string.h>
-
-/*
- * Read BIOS via /dev/mem.
- */
-
-#ifndef DEV_MEM
-# define DEV_MEM "/dev/mem"
-#endif
-
-int
-xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
- int Len)
-{
- int fd;
-
-#ifdef __ia64__
- if ((fd = open(DEV_MEM, O_RDONLY | O_SYNC)) < 0)
-#else
- if ((fd = open(DEV_MEM, O_RDONLY)) < 0)
-#endif
- {
- xf86Msg(X_WARNING, "xf86ReadBIOS: Failed to open %s (%s)\n",
- DEV_MEM, strerror(errno));
- return -1;
- }
-
- if (lseek(fd, (Base+Offset), SEEK_SET) < 0)
- {
- xf86Msg(X_WARNING, "xf86ReadBIOS: %s seek failed (%s)\n",
- DEV_MEM, strerror(errno));
- close(fd);
- return -1;
- }
- if (read(fd, Buf, Len) != Len)
- {
- xf86Msg(X_WARNING, "xf86ReadBIOS: %s read failed (%s)\n",
- DEV_MEM, strerror(errno));
- close(fd);
- return -1;
- }
- close(fd);
- return Len;
-}
diff --git a/xorg-server/hw/xfree86/os-support/shared/ia64Pci.c b/xorg-server/hw/xfree86/os-support/shared/ia64Pci.c
deleted file mode 100644
index c93c74c4a..000000000
--- a/xorg-server/hw/xfree86/os-support/shared/ia64Pci.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * Copyright (C) 2002-2003 The XFree86 Project, Inc. All Rights Reserved.
- *
- * 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
- * XFREE86 PROJECT 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 XFree86 Project 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
- * XFree86 Project.
- */
-
-/*
- * This file contains the glue needed to support various IA-64 chipsets.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <fcntl.h>
-#include <unistd.h>
-#include <signal.h>
-#include <dirent.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <linux/pci.h>
-
-#include "compiler.h"
-#include "Pci.h"
-
-/*
- * We use special in/out routines here since Altix platforms require the
- * use of the sysfs legacy_io interface. The legacy_io file maps to the I/O
- * space of a given PCI domain; reads and writes are used to do port I/O.
- * The file descriptor for the file is stored in the upper bits of the
- * value passed in by the caller, and is created and populated by
- * xf86MapLegacyIO.
- *
- * If the legacy_io interface doesn't exist, we fall back to the glibc in/out
- * routines, which are prefixed by an underscore (e.g. _outb).
- */
-static int ia64_port_to_fd(unsigned long port)
-{
- return (port >> 24) & 0xffffffff;
-}
-
-void outb(unsigned long port, unsigned char val)
-{
- int fd = ia64_port_to_fd(port);
-
- if (!fd) {
- _outb(val, port & 0xffff);
- goto out;
- }
- if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
- ErrorF("I/O lseek failed\n");
- goto out;
- }
- if (write(fd, &val, 1) != 1) {
- ErrorF("I/O write failed\n");
- goto out;
- }
- out:
- return;
-}
-
-void outw(unsigned long port, unsigned short val)
-{
- int fd = ia64_port_to_fd(port);
-
- if (!fd) {
- _outw(val, port & 0xffff);
- goto out;
- }
- if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
- ErrorF("I/O lseek failed\n");
- goto out;
- }
- if (write(fd, &val, 2) != 2) {
- ErrorF("I/O write failed\n");
- goto out;
- }
- out:
- return;
-}
-
-void outl(unsigned long port, unsigned int val)
-{
- int fd = ia64_port_to_fd(port);
-
- if (!fd) {
- _outl(val, port & 0xffff);
- goto out;
- }
- if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
- ErrorF("I/O lseek failed\n");
- goto out;
- }
- if (write(fd, &val, 4) != 4) {
- ErrorF("I/O write failed\n");
- goto out;
- }
- out:
- return;
-}
-
-unsigned int inb(unsigned long port)
-{
- int fd = ia64_port_to_fd(port);
- unsigned char val;
-
- if (!fd)
- return _inb(port & 0xffff);
-
- if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
- ErrorF("I/O lseek failed\n");
- val = -1;
- goto out;
- }
- if (read(fd, &val, 1) != 1) {
- ErrorF("I/O read failed\n");
- val = -1;
- goto out;
- }
- out:
- return val;
-}
-
-unsigned int inw(unsigned long port)
-{
- int fd = ia64_port_to_fd(port);
- unsigned short val;
-
- if (!fd)
- return _inw(port & 0xffff);
-
- if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
- ErrorF("I/O lseek failed\n");
- val = -1;
- goto out;
- }
- if (read(fd, &val, 2) != 2) {
- ErrorF("I/O read failed\n");
- val = -1;
- goto out;
- }
- out:
- return val;
-}
-
-unsigned int inl(unsigned long port)
-{
- int fd = ia64_port_to_fd(port);
- unsigned int val;
-
- if (!fd)
- return _inl(port & 0xffff);
-
- if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
- ErrorF("I/O lseek failed\n");
- val = -1;
- goto out;
- }
- if (read(fd, &val, 4) != 4) {
- ErrorF("I/O read failed\n");
- val = -1;
- goto out;
- }
- out:
- return val;
-}
-
diff --git a/xorg-server/hw/xfree86/os-support/shared/vidmem.c b/xorg-server/hw/xfree86/os-support/shared/vidmem.c
index 6358138d8..54f6c6497 100644
--- a/xorg-server/hw/xfree86/os-support/shared/vidmem.c
+++ b/xorg-server/hw/xfree86/os-support/shared/vidmem.c
@@ -1,296 +1,290 @@
-/*
- * Copyright (c) 1993-2003 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).
- */
-
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include "input.h"
-#include "scrnintstr.h"
-
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86_OSlib.h"
-#include "xf86OSpriv.h"
-
-/*
- * This file contains the common part of the video memory mapping functions
- */
-
-/*
- * Get a piece of the ScrnInfoRec. At the moment, this is only used to hold
- * the MTRR option information, but it is likely to be expanded if we do
- * auto unmapping of memory at VT switch.
- *
- */
-
-typedef struct {
- unsigned long physBase;
- unsigned long size;
- pointer virtBase;
- pointer mtrrInfo;
- int flags;
-} MappingRec, *MappingPtr;
-
-typedef struct {
- int numMappings;
- MappingPtr * mappings;
- Bool mtrrEnabled;
- MessageType mtrrFrom;
- Bool mtrrOptChecked;
- ScrnInfoPtr pScrn;
-} VidMapRec, *VidMapPtr;
-
-static int vidMapIndex = -1;
-
-#define VIDMAPPTR(p) ((VidMapPtr)((p)->privates[vidMapIndex].ptr))
-
-static VidMemInfo vidMemInfo = {FALSE, };
-static VidMapRec vidMapRec = {0, NULL, TRUE, X_DEFAULT, FALSE, NULL};
-
-static VidMapPtr
-getVidMapRec(int scrnIndex)
-{
- VidMapPtr vp;
- ScrnInfoPtr pScrn;
-
- if ((scrnIndex < 0) ||
- !(pScrn = xf86Screens[scrnIndex]))
- return &vidMapRec;
-
- if (vidMapIndex < 0)
- vidMapIndex = xf86AllocateScrnInfoPrivateIndex();
-
- if (VIDMAPPTR(pScrn) != NULL)
- return VIDMAPPTR(pScrn);
-
- vp = pScrn->privates[vidMapIndex].ptr = xnfcalloc(sizeof(VidMapRec), 1);
- vp->mtrrEnabled = TRUE; /* default to enabled */
- vp->mtrrFrom = X_DEFAULT;
- vp->mtrrOptChecked = FALSE;
- vp->pScrn = pScrn;
- return vp;
-}
-
-static MappingPtr
-newMapping(VidMapPtr vp)
-{
- vp->mappings = xnfrealloc(vp->mappings, sizeof(MappingPtr) *
- (vp->numMappings + 1));
- vp->mappings[vp->numMappings] = xnfcalloc(sizeof(MappingRec), 1);
- return vp->mappings[vp->numMappings++];
-}
-
-static MappingPtr
-findMapping(VidMapPtr vp, pointer vbase, unsigned long size)
-{
- int i;
-
- for (i = 0; i < vp->numMappings; i++) {
- if (vp->mappings[i]->virtBase == vbase &&
- vp->mappings[i]->size == size)
- return vp->mappings[i];
- }
- return NULL;
-}
-
-static void
-removeMapping(VidMapPtr vp, MappingPtr mp)
-{
- int i, found = 0;
-
- for (i = 0; i < vp->numMappings; i++) {
- if (vp->mappings[i] == mp) {
- found = 1;
- free(vp->mappings[i]);
- } else if (found) {
- vp->mappings[i - 1] = vp->mappings[i];
- }
- }
- vp->numMappings--;
- vp->mappings[vp->numMappings] = NULL;
-}
-
-enum { OPTION_MTRR };
-static const OptionInfoRec opts[] =
-{
- { OPTION_MTRR, "mtrr", OPTV_BOOLEAN, {0}, FALSE },
- { -1, NULL, OPTV_NONE, {0}, FALSE }
-};
-
-static void
-checkMtrrOption(VidMapPtr vp)
-{
- if (!vp->mtrrOptChecked && vp->pScrn && vp->pScrn->options != NULL) {
- OptionInfoPtr options;
-
- options = xnfalloc(sizeof(opts));
- (void)memcpy(options, opts, sizeof(opts));
- xf86ProcessOptions(vp->pScrn->scrnIndex, vp->pScrn->options,
- options);
- if (xf86GetOptValBool(options, OPTION_MTRR, &vp->mtrrEnabled))
- vp->mtrrFrom = X_CONFIG;
- free(options);
- vp->mtrrOptChecked = TRUE;
- }
-}
-
-void
-xf86MakeNewMapping(int ScreenNum, int Flags, unsigned long Base, unsigned long Size, pointer Vbase)
-{
- VidMapPtr vp;
- MappingPtr mp;
-
- vp = getVidMapRec(ScreenNum);
- mp = newMapping(vp);
- mp->physBase = Base;
- mp->size = Size;
- mp->virtBase = Vbase;
- mp->flags = Flags;
-}
-
-void
-xf86InitVidMem(void)
-{
- if (!vidMemInfo.initialised) {
- memset(&vidMemInfo, 0, sizeof(VidMemInfo));
- xf86OSInitVidMem(&vidMemInfo);
- }
-}
-
-pointer
-xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size)
-{
- pointer vbase = NULL;
- VidMapPtr vp;
- MappingPtr mp;
-
- if (((Flags & VIDMEM_FRAMEBUFFER) &&
- (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))))
- FatalError("Mapping memory with more than one type\n");
-
- xf86InitVidMem();
- if (!vidMemInfo.initialised || !vidMemInfo.mapMem)
- return NULL;
-
- vbase = vidMemInfo.mapMem(ScreenNum, Base, Size, Flags);
-
- if (!vbase || vbase == (pointer)-1)
- return NULL;
-
- vp = getVidMapRec(ScreenNum);
- mp = newMapping(vp);
- mp->physBase = Base;
- mp->size = Size;
- mp->virtBase = vbase;
- mp->flags = Flags;
-
- /*
- * Check the "mtrr" option even when MTRR isn't supported to avoid
- * warnings about unrecognised options.
- */
- checkMtrrOption(vp);
-
- if (vp->mtrrEnabled && vidMemInfo.setWC) {
- if (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))
- mp->mtrrInfo =
- vidMemInfo.setWC(ScreenNum, Base, Size, FALSE,
- vp->mtrrFrom);
- else if (Flags & VIDMEM_FRAMEBUFFER)
- mp->mtrrInfo =
- vidMemInfo.setWC(ScreenNum, Base, Size, TRUE,
- vp->mtrrFrom);
- }
- return vbase;
-}
-
-void
-xf86UnMapVidMem(int ScreenNum, pointer Base, unsigned long Size)
-{
- VidMapPtr vp;
- MappingPtr mp;
-
- if (!vidMemInfo.initialised || !vidMemInfo.unmapMem) {
- xf86DrvMsg(ScreenNum, X_WARNING,
- "xf86UnMapVidMem() called before xf86MapVidMem()\n");
- return;
- }
-
- vp = getVidMapRec(ScreenNum);
- mp = findMapping(vp, Base, Size);
- if (!mp) {
- xf86DrvMsg(ScreenNum, X_WARNING,
- "xf86UnMapVidMem: cannot find region for [%p,0x%lx]\n",
- Base, Size);
- return;
- }
- if (vp->mtrrEnabled && vidMemInfo.undoWC && mp)
- vidMemInfo.undoWC(ScreenNum, mp->mtrrInfo);
-
- vidMemInfo.unmapMem(ScreenNum, Base, Size);
- removeMapping(vp, mp);
-}
-
-Bool
-xf86CheckMTRR(int ScreenNum)
-{
- VidMapPtr vp = getVidMapRec(ScreenNum);
-
- /*
- * Check the "mtrr" option even when MTRR isn't supported to avoid
- * warnings about unrecognised options.
- */
- checkMtrrOption(vp);
-
- if (vp->mtrrEnabled && vidMemInfo.setWC)
- return TRUE;
-
- return FALSE;
-}
-
-Bool
-xf86LinearVidMem(void)
-{
- xf86InitVidMem();
- return vidMemInfo.linearSupported;
-}
-
-void
-xf86MapReadSideEffects(int ScreenNum, int Flags, pointer base,
- unsigned long Size)
-{
- if (!(Flags & VIDMEM_READSIDEEFFECT))
- return;
-
- if (!vidMemInfo.initialised || !vidMemInfo.readSideEffects)
- return;
-
- vidMemInfo.readSideEffects(ScreenNum, base, Size);
-}
-
+/*
+ * Copyright (c) 1993-2003 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).
+ */
+
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include "input.h"
+#include "scrnintstr.h"
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+#include "xf86OSpriv.h"
+
+/*
+ * This file contains the common part of the video memory mapping functions
+ */
+
+/*
+ * Get a piece of the ScrnInfoRec. At the moment, this is only used to hold
+ * the MTRR option information, but it is likely to be expanded if we do
+ * auto unmapping of memory at VT switch.
+ *
+ */
+
+typedef struct {
+ unsigned long size;
+ pointer virtBase;
+ pointer mtrrInfo;
+} MappingRec, *MappingPtr;
+
+typedef struct {
+ int numMappings;
+ MappingPtr * mappings;
+ Bool mtrrEnabled;
+ MessageType mtrrFrom;
+ Bool mtrrOptChecked;
+ ScrnInfoPtr pScrn;
+} VidMapRec, *VidMapPtr;
+
+static int vidMapIndex = -1;
+
+#define VIDMAPPTR(p) ((VidMapPtr)((p)->privates[vidMapIndex].ptr))
+
+static VidMemInfo vidMemInfo = {FALSE, };
+static VidMapRec vidMapRec = {0, NULL, TRUE, X_DEFAULT, FALSE, NULL};
+
+static VidMapPtr
+getVidMapRec(int scrnIndex)
+{
+ VidMapPtr vp;
+ ScrnInfoPtr pScrn;
+
+ if ((scrnIndex < 0) ||
+ !(pScrn = xf86Screens[scrnIndex]))
+ return &vidMapRec;
+
+ if (vidMapIndex < 0)
+ vidMapIndex = xf86AllocateScrnInfoPrivateIndex();
+
+ if (VIDMAPPTR(pScrn) != NULL)
+ return VIDMAPPTR(pScrn);
+
+ vp = pScrn->privates[vidMapIndex].ptr = xnfcalloc(sizeof(VidMapRec), 1);
+ vp->mtrrEnabled = TRUE; /* default to enabled */
+ vp->mtrrFrom = X_DEFAULT;
+ vp->mtrrOptChecked = FALSE;
+ vp->pScrn = pScrn;
+ return vp;
+}
+
+static MappingPtr
+newMapping(VidMapPtr vp)
+{
+ vp->mappings = xnfrealloc(vp->mappings, sizeof(MappingPtr) *
+ (vp->numMappings + 1));
+ vp->mappings[vp->numMappings] = xnfcalloc(sizeof(MappingRec), 1);
+ return vp->mappings[vp->numMappings++];
+}
+
+static MappingPtr
+findMapping(VidMapPtr vp, pointer vbase, unsigned long size)
+{
+ int i;
+
+ for (i = 0; i < vp->numMappings; i++) {
+ if (vp->mappings[i]->virtBase == vbase &&
+ vp->mappings[i]->size == size)
+ return vp->mappings[i];
+ }
+ return NULL;
+}
+
+static void
+removeMapping(VidMapPtr vp, MappingPtr mp)
+{
+ int i, found = 0;
+
+ for (i = 0; i < vp->numMappings; i++) {
+ if (vp->mappings[i] == mp) {
+ found = 1;
+ free(vp->mappings[i]);
+ } else if (found) {
+ vp->mappings[i - 1] = vp->mappings[i];
+ }
+ }
+ vp->numMappings--;
+ vp->mappings[vp->numMappings] = NULL;
+}
+
+enum { OPTION_MTRR };
+static const OptionInfoRec opts[] =
+{
+ { OPTION_MTRR, "mtrr", OPTV_BOOLEAN, {0}, FALSE },
+ { -1, NULL, OPTV_NONE, {0}, FALSE }
+};
+
+static void
+checkMtrrOption(VidMapPtr vp)
+{
+ if (!vp->mtrrOptChecked && vp->pScrn && vp->pScrn->options != NULL) {
+ OptionInfoPtr options;
+
+ options = xnfalloc(sizeof(opts));
+ (void)memcpy(options, opts, sizeof(opts));
+ xf86ProcessOptions(vp->pScrn->scrnIndex, vp->pScrn->options,
+ options);
+ if (xf86GetOptValBool(options, OPTION_MTRR, &vp->mtrrEnabled))
+ vp->mtrrFrom = X_CONFIG;
+ free(options);
+ vp->mtrrOptChecked = TRUE;
+ }
+}
+
+void
+xf86MakeNewMapping(int ScreenNum, int Flags, unsigned long Base, unsigned long Size, pointer Vbase)
+{
+ VidMapPtr vp;
+ MappingPtr mp;
+
+ vp = getVidMapRec(ScreenNum);
+ mp = newMapping(vp);
+ mp->size = Size;
+ mp->virtBase = Vbase;
+}
+
+void
+xf86InitVidMem(void)
+{
+ if (!vidMemInfo.initialised) {
+ memset(&vidMemInfo, 0, sizeof(VidMemInfo));
+ xf86OSInitVidMem(&vidMemInfo);
+ }
+}
+
+pointer
+xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size)
+{
+ pointer vbase = NULL;
+ VidMapPtr vp;
+ MappingPtr mp;
+
+ if (((Flags & VIDMEM_FRAMEBUFFER) &&
+ (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))))
+ FatalError("Mapping memory with more than one type\n");
+
+ xf86InitVidMem();
+ if (!vidMemInfo.initialised || !vidMemInfo.mapMem)
+ return NULL;
+
+ vbase = vidMemInfo.mapMem(ScreenNum, Base, Size, Flags);
+
+ if (!vbase || vbase == (pointer)-1)
+ return NULL;
+
+ vp = getVidMapRec(ScreenNum);
+ mp = newMapping(vp);
+ mp->size = Size;
+ mp->virtBase = vbase;
+
+ /*
+ * Check the "mtrr" option even when MTRR isn't supported to avoid
+ * warnings about unrecognised options.
+ */
+ checkMtrrOption(vp);
+
+ if (vp->mtrrEnabled && vidMemInfo.setWC) {
+ if (Flags & (VIDMEM_MMIO | VIDMEM_MMIO_32BIT))
+ mp->mtrrInfo =
+ vidMemInfo.setWC(ScreenNum, Base, Size, FALSE,
+ vp->mtrrFrom);
+ else if (Flags & VIDMEM_FRAMEBUFFER)
+ mp->mtrrInfo =
+ vidMemInfo.setWC(ScreenNum, Base, Size, TRUE,
+ vp->mtrrFrom);
+ }
+ return vbase;
+}
+
+void
+xf86UnMapVidMem(int ScreenNum, pointer Base, unsigned long Size)
+{
+ VidMapPtr vp;
+ MappingPtr mp;
+
+ if (!vidMemInfo.initialised || !vidMemInfo.unmapMem) {
+ xf86DrvMsg(ScreenNum, X_WARNING,
+ "xf86UnMapVidMem() called before xf86MapVidMem()\n");
+ return;
+ }
+
+ vp = getVidMapRec(ScreenNum);
+ mp = findMapping(vp, Base, Size);
+ if (!mp) {
+ xf86DrvMsg(ScreenNum, X_WARNING,
+ "xf86UnMapVidMem: cannot find region for [%p,0x%lx]\n",
+ Base, Size);
+ return;
+ }
+ if (vp->mtrrEnabled && vidMemInfo.undoWC && mp)
+ vidMemInfo.undoWC(ScreenNum, mp->mtrrInfo);
+
+ vidMemInfo.unmapMem(ScreenNum, Base, Size);
+ removeMapping(vp, mp);
+}
+
+Bool
+xf86CheckMTRR(int ScreenNum)
+{
+ VidMapPtr vp = getVidMapRec(ScreenNum);
+
+ /*
+ * Check the "mtrr" option even when MTRR isn't supported to avoid
+ * warnings about unrecognised options.
+ */
+ checkMtrrOption(vp);
+
+ if (vp->mtrrEnabled && vidMemInfo.setWC)
+ return TRUE;
+
+ return FALSE;
+}
+
+Bool
+xf86LinearVidMem(void)
+{
+ xf86InitVidMem();
+ return vidMemInfo.linearSupported;
+}
+
+void
+xf86MapReadSideEffects(int ScreenNum, int Flags, pointer base,
+ unsigned long Size)
+{
+ if (!(Flags & VIDMEM_READSIDEEFFECT))
+ return;
+
+ if (!vidMemInfo.initialised || !vidMemInfo.readSideEffects)
+ return;
+
+ vidMemInfo.readSideEffects(ScreenNum, base, Size);
+}
+