/* $XFree86$ */ /* $OpenBSD: hp300_video.c,v 1.1 2006/11/28 20:29:31 matthieu Exp $ */ /* * Copyright 1992 by Rich Murphey * Copyright 1993 by David Wexelblat * * 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 hp300MapVidMem(int, unsigned long, unsigned long, int); static void hp300UnmapVidMem(int, pointer, unsigned long); void xf86OSInitVidMem(VidMemInfoPtr pVidMem) { pVidMem->linearSupported = TRUE; pVidMem->mapMem = hp300MapVidMem; pVidMem->unmapMem = hp300UnmapVidMem; pVidMem->initialised = TRUE; } volatile unsigned char *ioBase = MAP_FAILED; static pointer hp300MapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) { int fd = xf86Info.screenFd; pointer base; #ifdef DEBUG ErrorF("mapVidMem %lx, %lx, fd = %d\n", Base, Size, fd); #endif base = mmap(0, Size, 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 hp300UnmapVidMem(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; } /* * Do all initialisation that need root privileges */ void xf86PrivilegedInit(void) { /* pciInit(); */ xf86OpenConsole(); }