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/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/sparc64_video.c,v 1.2 2003/03/14 13:46:04 tsi 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 $ */
#include "X.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#include "xf86OSpriv.h"
#ifndef MAP_FAILED
#define MAP_FAILED ((caddr_t)-1)
#endif
/***************************************************************************/
/* Video Memory Mapping section */
/***************************************************************************/
static pointer sparc64MapVidMem(int, unsigned long, unsigned long, int);
static void sparc64UnmapVidMem(int, pointer, unsigned long);
void
xf86OSInitVidMem(VidMemInfoPtr pVidMem)
{
pVidMem->linearSupported = TRUE;
pVidMem->mapMem = sparc64MapVidMem;
pVidMem->unmapMem = sparc64UnmapVidMem;
pVidMem->initialised = TRUE;
}
static pointer
sparc64MapVidMem(int ScreenNum, unsigned long Base, unsigned long Size,
int flags)
{
int fd = xf86Info.screenFd;
pointer base;
#ifdef DEBUG
xf86MsgVerb(X_INFO, 3, "mapVidMem %lx, %lx, fd = %d",
Base, Size, fd);
#endif
base = mmap(0, Size,
(flags & VIDMEM_READONLY) ?
PROT_READ : (PROT_READ | PROT_WRITE),
MAP_SHARED, fd, Base);
if (base == MAP_FAILED)
FatalError("%s: could not mmap screen [s=%x,a=%x] (%s)\n",
"xf86MapVidMem", Size, Base, strerror(errno));
return base;
}
static void
sparc64UnmapVidMem(int ScreenNum, pointer Base, unsigned long Size)
{
munmap(Base, Size);
}
int
xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
int Len)
{
return (0);
}
/***************************************************************************/
/* Interrupt Handling section */
/***************************************************************************/
Bool
xf86DisableInterrupts()
{
return(TRUE);
}
void
xf86EnableInterrupts()
{
return;
}
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