428261197a
Tested by ajacoutot@, krw@, shadchin@ and jasper@ on various configurations including multihead with both zaphod and xrandr.
110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#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 "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)
|
|
{
|
|
xf86OpenConsole();
|
|
|
|
pVidMem->linearSupported = TRUE;
|
|
pVidMem->mapMem = sparc64MapVidMem;
|
|
pVidMem->unmapMem = sparc64UnmapVidMem;
|
|
#if HAVE_PCI_SYSTEM_INIT_DEV_MEM
|
|
pci_system_init_dev_mem(xf86Info.screenFd);
|
|
#endif
|
|
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)",
|
|
"xf86MapVidMem", Size, Base, strerror(errno));
|
|
return base;
|
|
}
|
|
|
|
static void
|
|
sparc64UnmapVidMem(int ScreenNum, pointer Base, unsigned long Size)
|
|
{
|
|
munmap(Base, Size);
|
|
}
|
|
|
|
_X_EXPORT int
|
|
xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
|
|
int Len)
|
|
{
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef X_PRIVSEP
|
|
/*
|
|
* Do all things that need root privileges early
|
|
* and revoke those privileges
|
|
*/
|
|
_X_EXPORT void
|
|
xf86PrivilegedInit(void)
|
|
{
|
|
pci_system_init();
|
|
xf86OpenConsole();
|
|
}
|
|
#endif
|