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Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/alpha_video.c')
-rw-r--r--nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/alpha_video.c735
1 files changed, 0 insertions, 735 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/alpha_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/alpha_video.c
deleted file mode 100644
index ca0f0f8e7..000000000
--- a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/alpha_video.c
+++ /dev/null
@@ -1,735 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/alpha_video.c,v 1.6 2003/12/30 15:18:30 herrb Exp $ */
-/*
- * Copyright 1992 by Rich Murphey <Rich@Rice.edu>
- * 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 names of Rich Murphey and David Wexelblat
- * not be used in advertising or publicity pertaining to distribution of
- * the software without specific, written prior permission. Rich Murphey and
- * David Wexelblat make no representations about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- *
- * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO
- * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL RICH MURPHEY OR 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.
- *
- */
-
-/* $XConsortium: bsd_video.c /main/10 1996/10/25 11:37:57 kaleb $ */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include "xf86.h"
-#include "xf86Priv.h"
-
-#include <sys/param.h>
-#ifndef __NetBSD__
-# include <sys/sysctl.h>
-# if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-# include <machine/sysarch.h>
-# endif
-# else
-# include <machine/sysarch.h>
-#endif
-
-#include "xf86Axp.h"
-
-#include "xf86_OSlib.h"
-#include "xf86OSpriv.h"
-
-#if defined(__NetBSD__) && !defined(MAP_FILE)
-#define MAP_FLAGS MAP_SHARED
-#else
-#define MAP_FLAGS (MAP_FILE | MAP_SHARED)
-#endif
-
-#ifndef MAP_FAILED
-#define MAP_FAILED ((caddr_t)-1)
-#endif
-
-axpDevice bsdGetAXP(void);
-
-#ifndef __NetBSD__
-extern unsigned long dense_base(void);
-
-static int axpSystem = -1;
-static unsigned long hae_thresh;
-static unsigned long hae_mask;
-static unsigned long bus_base;
-static unsigned long sparse_size;
-
-static unsigned long
-memory_base(void)
-{
- static unsigned long base = 0;
-
- if (base == 0) {
- size_t len = sizeof(base);
- int error;
-#ifdef __OpenBSD__
- int mib[3];
-
- mib[0] = CTL_MACHDEP;
- mib[1] = CPU_CHIPSET;
- mib[2] = CPU_CHIPSET_MEM;
-
- if ((error = sysctl(mib, 3, &base, &len, NULL, 0)) < 0)
-#else
- if ((error = sysctlbyname("hw.chipset.memory", &base, &len,
- 0, 0)) < 0)
-#endif
- FatalError("xf86MapVidMem: can't find memory\n");
- }
-
- return base;
-}
-
-static int
-has_bwx(void)
-{
- static int bwx = 0;
- size_t len = sizeof(bwx);
- int error;
-#ifdef __OpenBSD__
- int mib[3];
-
- mib[0] = CTL_MACHDEP;
- mib[1] = CPU_CHIPSET;
- mib[2] = CPU_CHIPSET_BWX;
-
- if ((error = sysctl(mib, 3, &bwx, &len, NULL, 0)) < 0)
- return FALSE;
- else
- return bwx;
-#else
- if ((error = sysctlbyname("hw.chipset.bwx", &bwx, &len, 0, 0)) < 0)
- return FALSE;
- else
- return bwx;
-#endif
-}
-#else /* __NetBSD__ */
-static unsigned long hae_thresh = (1UL << 24);
-static unsigned long hae_mask = 0xf8000000UL; /* XXX - should use xf86AXP.c */
-static struct alpha_bus_window *abw;
-static int abw_count = -1;
-
-static void
-init_abw(void)
-{
- if (abw_count < 0) {
- abw_count = alpha_bus_getwindows(ALPHA_BUS_TYPE_PCI_MEM, &abw);
- if (abw_count <= 0)
- FatalError("init_abw: alpha_bus_getwindows failed\n");
- }
-}
-
-static int
-has_bwx(void)
-{
- if (abw_count < 0)
- init_abw();
-
- xf86Msg(X_INFO, "has_bwx = %d\n",
- abw[0].abw_abst.abst_flags & ABST_BWX ? 1 : 0); /* XXXX */
- return abw[0].abw_abst.abst_flags & ABST_BWX;
-}
-
-static unsigned long
-dense_base(void)
-{
- if (abw_count < 0)
- init_abw();
-
- /* XXX check abst_flags for ABST_DENSE just to be safe? */
- xf86Msg(X_INFO, "dense base = %#lx\n",
- abw[0].abw_abst.abst_sys_start); /* XXXX */
- return abw[0].abw_abst.abst_sys_start;
-}
-
-static unsigned long
-memory_base(void)
-{
- if (abw_count < 0)
- init_abw();
-
- if (abw_count > 0) {
- xf86Msg(X_INFO, "memory base = %#lx\n",
- abw[1].abw_abst.abst_sys_start); /* XXXX */
- return abw[1].abw_abst.abst_sys_start;
- } else {
- xf86Msg(X_INFO, "no memory base\n"); /* XXXX */
- return 0;
- }
-}
-#endif /* __NetBSD__ */
-
-#define BUS_BASE dense_base()
-#define BUS_BASE_BWX memory_base()
-
-/***************************************************************************/
-/* Video Memory Mapping section */
-/***************************************************************************/
-
-#ifdef __OpenBSD__
-#define SYSCTL_MSG "\tCheck that you have set 'machdep.allowaperture=1'\n"\
- "\tin /etc/sysctl.conf and reboot your machine\n" \
- "\trefer to xf86(4) for details"
-#endif
-
-static Bool useDevMem = FALSE;
-static int devMemFd = -1;
-
-#ifdef HAS_APERTURE_DRV
-#define DEV_APERTURE "/dev/xf86"
-#endif
-#define DEV_MEM "/dev/mem"
-
-static pointer mapVidMem(int, unsigned long, unsigned long, int);
-static void unmapVidMem(int, pointer, unsigned long);
-static pointer mapVidMemSparse(int, unsigned long, unsigned long, int);
-static void unmapVidMemSparse(int, pointer, unsigned long);
-
-/*
- * Check if /dev/mem can be mmap'd. If it can't print a warning when
- * "warn" is TRUE.
- */
-static void
-checkDevMem(Bool warn)
-{
- static Bool devMemChecked = FALSE;
- int fd;
- pointer base;
-
- if (devMemChecked)
- return;
- devMemChecked = TRUE;
-
-#ifdef HAS_APERTURE_DRV
- /* Try the aperture driver first */
- if ((fd = open(DEV_APERTURE, O_RDWR)) >= 0) {
- /* Try to map a page at the VGA address */
- base = mmap((caddr_t)0, 4096, PROT_READ | PROT_WRITE,
- MAP_FLAGS, fd, (off_t)0xA0000 + BUS_BASE);
-
- if (base != MAP_FAILED) {
- munmap((caddr_t)base, 4096);
- devMemFd = fd;
- useDevMem = TRUE;
- xf86Msg(X_INFO, "checkDevMem: using aperture driver %s\n",
- DEV_APERTURE);
- return;
- } else {
- if (warn) {
- xf86Msg(X_WARNING, "checkDevMem: failed to mmap %s (%s)\n",
- DEV_APERTURE, strerror(errno));
- }
- }
- }
-#endif
- if ((fd = open(DEV_MEM, O_RDWR)) >= 0) {
- /* Try to map a page at the VGA address */
- base = mmap((caddr_t)0, 4096, PROT_READ | PROT_WRITE,
- MAP_FLAGS, fd, (off_t)0xA0000 + BUS_BASE);
-
- if (base != MAP_FAILED) {
- munmap((caddr_t)base, 4096);
- devMemFd = fd;
- useDevMem = TRUE;
- return;
- } else {
- if (warn) {
- xf86Msg(X_WARNING, "checkDevMem: failed to mmap %s (%s)\n",
- DEV_MEM, strerror(errno));
- }
- }
- }
- if (warn) {
-#ifndef HAS_APERTURE_DRV
- xf86Msg(X_WARNING, "checkDevMem: failed to open/mmap %s (%s)\n",
- DEV_MEM, strerror(errno));
-#else
-#ifndef __OpenBSD__
- xf86Msg(X_WARNING, "checkDevMem: failed to open %s and %s\n"
- "\t(%s)\n", DEV_APERTURE, DEV_MEM, strerror(errno));
-#else /* __OpenBSD__ */
- xf86Msg(X_WARNING, "checkDevMem: failed to open %s and %s\n"
- "\t(%s)\n%s", DEV_APERTURE, DEV_MEM, strerror(errno),
- SYSCTL_MSG);
-#endif /* __OpenBSD__ */
-#endif
- xf86ErrorF("\tlinear framebuffer access unavailable\n");
- }
- useDevMem = FALSE;
- return;
-}
-
-void
-xf86OSInitVidMem(VidMemInfoPtr pVidMem)
-{
- checkDevMem(TRUE);
- pVidMem->linearSupported = useDevMem;
-
- if (has_bwx()) {
- xf86Msg(X_PROBED,"Machine type has 8/16 bit access\n");
- pVidMem->mapMem = mapVidMem;
- pVidMem->unmapMem = unmapVidMem;
- } else {
- xf86Msg(X_PROBED,"Machine needs sparse mapping\n");
- pVidMem->mapMem = mapVidMemSparse;
- pVidMem->unmapMem = unmapVidMemSparse;
-#ifndef __NetBSD__
- if (axpSystem == -1)
- axpSystem = bsdGetAXP();
- hae_thresh = xf86AXPParams[axpSystem].hae_thresh;
- hae_mask = xf86AXPParams[axpSystem].hae_mask;
- sparse_size = xf86AXPParams[axpSystem].size;
-#endif /* __NetBSD__ */
- }
- pVidMem->initialised = TRUE;
-}
-
-static pointer
-mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags)
-{
- pointer base;
-
- checkDevMem(FALSE);
- Base = Base & ((1L<<32) - 1);
-
- if (useDevMem)
- {
- if (devMemFd < 0)
- {
- FatalError("xf86MapVidMem: failed to open %s (%s)\n",
- DEV_MEM, strerror(errno));
- }
- base = mmap((caddr_t)0, Size,
- (flags & VIDMEM_READONLY) ?
- PROT_READ : (PROT_READ | PROT_WRITE),
- MAP_FLAGS, devMemFd, (off_t)Base + BUS_BASE_BWX);
- if (base == MAP_FAILED)
- {
- FatalError("%s: could not mmap %s [s=%lx,a=%lx] (%s)\n",
- "xf86MapVidMem", DEV_MEM, Size, Base,
- strerror(errno));
- }
- return(base);
- }
-
- /* else, mmap /dev/vga */
- if ((unsigned long)Base < 0xA0000 || (unsigned long)Base >= 0xC0000)
- {
- FatalError("%s: Address 0x%lx outside allowable range\n",
- "xf86MapVidMem", Base);
- }
- base = mmap(0, Size,
- (flags & VIDMEM_READONLY) ?
- PROT_READ : (PROT_READ | PROT_WRITE),
- MAP_FLAGS, xf86Info.screenFd,
- (unsigned long)Base + BUS_BASE);
- if (base == MAP_FAILED)
- {
- FatalError("xf86MapVidMem: Could not mmap /dev/vga (%s)\n",
- strerror(errno));
- }
- return(base);
-}
-
-static void
-unmapVidMem(int ScreenNum, pointer Base, unsigned long Size)
-{
- munmap((caddr_t)Base, Size);
-}
-
-/*
- * Read BIOS via mmap()ing DEV_MEM
- */
-
-int
-xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
- int Len)
-{
- unsigned char *ptr;
- int psize;
- int mlen;
-
- checkDevMem(TRUE);
- if (devMemFd == -1) {
- return(-1);
- }
-
- psize = xf86getpagesize();
- Offset += Base & (psize - 1);
- Base &= ~(psize - 1);
- mlen = (Offset + Len + psize - 1) & ~(psize - 1);
- ptr = (unsigned char *)mmap((caddr_t)0, mlen, PROT_READ,
- MAP_SHARED, devMemFd, (off_t)Base+BUS_BASE);
- if ((long)ptr == -1)
- {
- xf86Msg(X_WARNING,
- "xf86ReadBIOS: %s mmap[s=%x,a=%lx,o=%lx] failed (%s)\n",
- DEV_MEM, Len, Base, Offset, strerror(errno));
- return(-1);
- }
-#ifdef DEBUG
- xf86MsgVerb(X_INFO, 3, "xf86ReadBIOS: BIOS at 0x%08x has signature 0x%04x\n",
- Base, ptr[0] | (ptr[1] << 8));
-#endif
- (void)memcpy(Buf, (void *)(ptr + Offset), Len);
- (void)munmap((caddr_t)ptr, mlen);
-#ifdef DEBUG
- xf86MsgVerb(X_INFO, 3, "xf86ReadBIOS(%x, %x, Buf, %x)"
- "-> %02x %02x %02x %02x...\n",
- Base, Offset, Len, Buf[0], Buf[1], Buf[2], Buf[3]);
-#endif
- return(Len);
-}
-
-
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__)
-
-extern int ioperm(unsigned long from, unsigned long num, int on);
-
-Bool
-xf86EnableIO()
-{
- if (!ioperm(0, 65536, TRUE))
- return TRUE;
- return FALSE;
-}
-
-void
-xf86DisableIO()
-{
- return;
-}
-
-#endif /* __FreeBSD_kernel__ || __OpenBSD__ */
-
-#ifdef USE_ALPHA_PIO
-
-Bool
-xf86EnableIO()
-{
- alpha_pci_io_enable(1);
- return TRUE;
-}
-
-void
-xf86DisableIO()
-{
- alpha_pci_io_enable(0);
-}
-
-#endif /* USE_ALPHA_PIO */
-
-/***************************************************************************/
-/* Interrupt Handling section */
-/***************************************************************************/
-
-Bool
-xf86DisableInterrupts()
-{
-
- return(TRUE);
-}
-
-void
-xf86EnableInterrupts()
-{
- return;
-}
-
-
-#define vuip volatile unsigned int *
-
-static unsigned long msb_set = 0;
-static pointer memSBase = 0;
-static pointer memBase = 0;
-
-extern int readDense8(pointer Base, register unsigned long Offset);
-extern int readDense16(pointer Base, register unsigned long Offset);
-extern int readDense32(pointer Base, register unsigned long Offset);
-extern void
-writeDenseNB8(int Value, pointer Base, register unsigned long Offset);
-extern void
-writeDenseNB16(int Value, pointer Base, register unsigned long Offset);
-extern void
-writeDenseNB32(int Value, pointer Base, register unsigned long Offset);
-extern void
-writeDense8(int Value, pointer Base, register unsigned long Offset);
-extern void
-writeDense16(int Value, pointer Base, register unsigned long Offset);
-extern void
-writeDense32(int Value, pointer Base, register unsigned long Offset);
-
-static int readSparse8(pointer Base, register unsigned long Offset);
-static int readSparse16(pointer Base, register unsigned long Offset);
-static int readSparse32(pointer Base, register unsigned long Offset);
-static void
-writeSparseNB8(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseNB16(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparseNB32(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparse8(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparse16(int Value, pointer Base, register unsigned long Offset);
-static void
-writeSparse32(int Value, pointer Base, register unsigned long Offset);
-
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-extern int sysarch(int, void *);
-#endif
-
-struct parms {
- u_int64_t hae;
-};
-
-#ifndef __NetBSD__
-static int
-sethae(u_int64_t hae)
-{
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-#ifndef ALPHA_SETHAE
-#define ALPHA_SETHAE 0
-#endif
- struct parms p;
- p.hae = hae;
- return (sysarch(ALPHA_SETHAE, (char *)&p));
-#endif
-#ifdef __OpenBSD__
- return -1;
-#endif
-}
-#endif /* __NetBSD__ */
-
-static pointer
-mapVidMemSparse(int ScreenNum, unsigned long Base, unsigned long Size, int flags)
-{
- static Bool was_here = FALSE;
-
- if (!was_here) {
- was_here = TRUE;
-
- checkDevMem(FALSE);
-
- xf86WriteMmio8 = writeSparse8;
- xf86WriteMmio16 = writeSparse16;
- xf86WriteMmio32 = writeSparse32;
- xf86WriteMmioNB8 = writeSparseNB8;
- xf86WriteMmioNB16 = writeSparseNB16;
- xf86WriteMmioNB32 = writeSparseNB32;
- xf86ReadMmio8 = readSparse8;
- xf86ReadMmio16 = readSparse16;
- xf86ReadMmio32 = readSparse32;
-
- memBase = mmap((caddr_t)0, 0x100000000,
- PROT_READ | PROT_WRITE,
- MAP_SHARED, devMemFd,
- (off_t) BUS_BASE);
- memSBase = mmap((caddr_t)0, 0x100000000,
- PROT_READ | PROT_WRITE,
- MAP_SHARED, devMemFd,
- (off_t) BUS_BASE_BWX);
-
- if (memSBase == MAP_FAILED || memBase == MAP_FAILED) {
- FatalError("xf86MapVidMem: Could not mmap framebuffer (%s)\n",
- strerror(errno));
- }
- }
- return (pointer)((unsigned long)memBase + Base);
-}
-
-static void
-unmapVidMemSparse(int ScreenNum, pointer Base, unsigned long Size)
-{
-}
-
-static int
-readSparse8(pointer Base, register unsigned long Offset)
-{
- register unsigned long result, shift;
- register unsigned long msb;
- mem_barrier();
- Offset += (unsigned long)Base - (unsigned long)memBase;
- shift = (Offset & 0x3) << 3;
- if (Offset >= (hae_thresh)) {
- msb = Offset & hae_mask;
- Offset -= msb;
- if (msb_set != msb) {
-#ifndef __NetBSD__
- sethae(msb);
-#endif
- msb_set = msb;
- }
- }
- result = *(vuip) ((unsigned long)memSBase + (Offset << 5));
- result >>= shift;
- return 0xffUL & result;
-}
-
-static int
-readSparse16(pointer Base, register unsigned long Offset)
-{
- register unsigned long result, shift;
- register unsigned long msb;
-
- mem_barrier();
- Offset += (unsigned long)Base - (unsigned long)memBase;
- shift = (Offset & 0x2) << 3;
- if (Offset >= (hae_thresh)) {
- msb = Offset & hae_mask;
- Offset -= msb;
- if (msb_set != msb) {
-#ifndef __NetBSD__
- sethae(msb);
-#endif
- msb_set = msb;
- }
- }
- result = *(vuip)((unsigned long)memSBase+(Offset<<5)+(1<<(5-2)));
- result >>= shift;
- return 0xffffUL & result;
-}
-
-static int
-readSparse32(pointer Base, register unsigned long Offset)
-{
- mem_barrier();
- return *(vuip)((unsigned long)Base+(Offset));
-}
-
-static void
-writeSparse8(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned long msb;
- register unsigned int b = Value & 0xffU;
-
- write_mem_barrier();
- Offset += (unsigned long)Base - (unsigned long)memBase;
- if (Offset >= (hae_thresh)) {
- msb = Offset & hae_mask;
- Offset -= msb;
- if (msb_set != msb) {
-#ifndef __NetBSD__
- sethae(msb);
-#endif
- msb_set = msb;
- }
- }
- *(vuip) ((unsigned long)memSBase + (Offset << 5)) = b * 0x01010101;
-}
-
-static void
-writeSparse16(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned long msb;
- register unsigned int w = Value & 0xffffU;
-
- write_mem_barrier();
- Offset += (unsigned long)Base - (unsigned long)memBase;
- if (Offset >= (hae_thresh)) {
- msb = Offset & hae_mask;
- Offset -= msb;
- if (msb_set != msb) {
-#ifndef __NetBSD__
- sethae(msb);
-#endif
- msb_set = msb;
- }
- }
- *(vuip)((unsigned long)memSBase+(Offset<<5)+(1<<(5-2))) =
- w * 0x00010001;
-
-}
-
-static void
-writeSparse32(int Value, pointer Base, register unsigned long Offset)
-{
- write_mem_barrier();
- *(vuip)((unsigned long)Base + (Offset)) = Value;
- return;
-}
-
-static void
-writeSparseNB8(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned long msb;
- register unsigned int b = Value & 0xffU;
-
- Offset += (unsigned long)Base - (unsigned long)memBase;
- if (Offset >= (hae_thresh)) {
- msb = Offset & hae_mask;
- Offset -= msb;
- if (msb_set != msb) {
-#ifndef __NetBSD__
- sethae(msb);
-#endif
- msb_set = msb;
- }
- }
- *(vuip) ((unsigned long)memSBase + (Offset << 5)) = b * 0x01010101;
-}
-
-static void
-writeSparseNB16(int Value, pointer Base, register unsigned long Offset)
-{
- register unsigned long msb;
- register unsigned int w = Value & 0xffffU;
-
- Offset += (unsigned long)Base - (unsigned long)memBase;
- if (Offset >= (hae_thresh)) {
- msb = Offset & hae_mask ;
- Offset -= msb;
- if (msb_set != msb) {
-#ifndef __NetBSD__
- sethae(msb);
-#endif
- msb_set = msb;
- }
- }
- *(vuip)((unsigned long)memSBase+(Offset<<5)+(1<<(5-2))) =
- w * 0x00010001;
-}
-
-static void
-writeSparseNB32(int Value, pointer Base, register unsigned long Offset)
-{
- *(vuip)((unsigned long)Base + (Offset)) = Value;
- return;
-}
-
-void (*xf86WriteMmio8)(int Value, pointer Base, unsigned long Offset)
- = writeDense8;
-void (*xf86WriteMmio16)(int Value, pointer Base, unsigned long Offset)
- = writeDense16;
-void (*xf86WriteMmio32)(int Value, pointer Base, unsigned long Offset)
- = writeDense32;
-void (*xf86WriteMmioNB8)(int Value, pointer Base, unsigned long Offset)
- = writeDenseNB8;
-void (*xf86WriteMmioNB16)(int Value, pointer Base, unsigned long Offset)
- = writeDenseNB16;
-void (*xf86WriteMmioNB32)(int Value, pointer Base, unsigned long Offset)
- = writeDenseNB32;
-int (*xf86ReadMmio8)(pointer Base, unsigned long Offset)
- = readDense8;
-int (*xf86ReadMmio16)(pointer Base, unsigned long Offset)
- = readDense16;
-int (*xf86ReadMmio32)(pointer Base, unsigned long Offset)
- = readDense32;
-