121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
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/* $XFree86$ */
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/* $OpenBSD: hp300_video.c,v 1.1 2006/11/28 20:29:31 matthieu Exp $ */
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/*
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* Copyright 1992 by Rich Murphey <Rich@Rice.edu>
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* Copyright 1993 by David Wexelblat <dwex@goblin.org>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the names of Rich Murphey and David Wexelblat
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* not be used in advertising or publicity pertaining to distribution of
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* the software without specific, written prior permission. Rich Murphey and
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* David Wexelblat make no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*
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* RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL RICH MURPHEY OR DAVID WEXELBLAT BE LIABLE FOR
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* ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/* $XConsortium: bsd_video.c /main/10 1996/10/25 11:37:57 kaleb $ */
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#include "X.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86_OSlib.h"
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#include "xf86OSpriv.h"
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#ifndef MAP_FAILED
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#define MAP_FAILED ((caddr_t)-1)
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#endif
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/***************************************************************************/
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/* Video Memory Mapping section */
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/***************************************************************************/
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static pointer hp300MapVidMem(int, unsigned long, unsigned long, int);
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static void hp300UnmapVidMem(int, pointer, unsigned long);
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void
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xf86OSInitVidMem(VidMemInfoPtr pVidMem)
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{
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pVidMem->linearSupported = TRUE;
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pVidMem->mapMem = hp300MapVidMem;
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pVidMem->unmapMem = hp300UnmapVidMem;
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pVidMem->initialised = TRUE;
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}
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volatile unsigned char *ioBase = MAP_FAILED;
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static pointer
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hp300MapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags)
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{
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int fd = xf86Info.screenFd;
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pointer base;
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#ifdef DEBUG
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ErrorF("mapVidMem %lx, %lx, fd = %d\n", Base, Size, fd);
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#endif
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base = mmap(0, Size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, Base);
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if (base == MAP_FAILED)
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FatalError("%s: could not mmap screen [s=%x,a=%x] (%s)",
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"xf86MapVidMem", Size, Base, strerror(errno));
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return base;
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}
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static void
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hp300UnmapVidMem(int ScreenNum, pointer Base, unsigned long Size)
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{
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munmap(Base, Size);
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}
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int
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xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
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int Len)
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{
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return 0;
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}
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/***************************************************************************/
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/* Interrupt Handling section */
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/***************************************************************************/
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Bool
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xf86DisableInterrupts()
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{
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return(TRUE);
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}
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void
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xf86EnableInterrupts()
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{
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return;
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}
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/*
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* Do all initialisation that need root privileges
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*/
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void
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xf86PrivilegedInit(void)
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{
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/* pciInit(); */
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xf86OpenConsole();
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}
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