diff options
Diffstat (limited to 'vidix/sysdep/pci_os2.c')
-rw-r--r-- | vidix/sysdep/pci_os2.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/vidix/sysdep/pci_os2.c b/vidix/sysdep/pci_os2.c deleted file mode 100644 index 2dc678c148..0000000000 --- a/vidix/sysdep/pci_os2.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - This file is based on: - $XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $ - Modified for readability by Nick Kurshev -*/ -/* - * Copyright 1995 by Robin Cutshaw <robin@XFree86.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 the above listed copyright holder(s) - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. The above listed - * copyright holder(s) make(s) no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) 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. - */ - -#define INCL_DOSFILEMGR -#include <os2.h> - -static USHORT callgate[3] = {0,0,0}; - -static __inline__ int enable_os_io(void) -{ - HFILE hfd; - ULONG dlen,action; - APIRET rc; - static char *ioDrvPath = "/dev/fastio$"; - - if (DosOpen((PSZ)ioDrvPath, (PHFILE)&hfd, (PULONG)&action, - (ULONG)0, FILE_SYSTEM, FILE_OPEN, - OPEN_SHARE_DENYNONE|OPEN_FLAGS_NOINHERIT|OPEN_ACCESS_READONLY, - (ULONG)0) != 0) { - fprintf(stderr,"Error opening fastio$ driver...\n"); - fprintf(stderr,"Please install xf86sup.sys in config.sys!\n"); - return 42; - } - callgate[0] = callgate[1] = 0; - -/* Get callgate from driver for fast io to ports and other stuff */ - - rc = DosDevIOCtl(hfd, (ULONG)0x76, (ULONG)0x64, - NULL, 0, NULL, - (ULONG*)&callgate[2], sizeof(USHORT), &dlen); - if (rc) { - fprintf(stderr,"xf86-OS/2: EnableIOPorts failed, rc=%d, dlen=%d; emergency exit\n", - rc,dlen); - DosClose(hfd); - return 42; - } - -/* Calling callgate with function 13 sets IOPL for the program */ - - __asm__ volatile ("movl $13,%%ebx;.byte 0xff,0x1d;.long _callgate" - : /*no outputs */ - : /*no inputs */ - : "eax","ebx","ecx","edx","cc"); - - DosClose(hfd); - return 0; -} - -static __inline__ int disable_os_io(void) -{ -/* Nothing to do */ - return 0; -} |