mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-18 10:35:55 +00:00
101 lines
3.6 KiB
C
101 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2000 by Coleman Kane <cokane@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Gardner Buchanan.
|
|
* 4. The name of Gardner Buchanan may not be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/* This code originally came from <shocking@prth.pgs.com>
|
|
* it is basically a derivative of some sys/dhio.h file to work with the 3dfx
|
|
* cards
|
|
*/
|
|
#ifndef TDFX_IO_H
|
|
#define TDFX_IO_H
|
|
|
|
#ifndef KERNEL
|
|
#include <sys/types.h>
|
|
#endif
|
|
|
|
/*
|
|
* define an ioctl here
|
|
*/
|
|
#define DHIOCRESET _IO('D', 0) /* reset the voodoo device */
|
|
#define GETVOODOO 0x3302
|
|
#define SETVOODOO 0x3303
|
|
#define MOREVOODOO 0x3300
|
|
#define _IOC_NRBITS 8
|
|
#define _IOC_TYPEBITS 8
|
|
#define _IOC_SIZEBITS 14
|
|
#define _IOC_DIRBITS 2
|
|
|
|
#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
|
|
#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
|
|
#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
|
|
#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
|
|
|
|
#define _IOC_NRSHIFT 0
|
|
#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
|
|
#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
|
|
#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
|
|
|
|
/*
|
|
* Direction bits.
|
|
*/
|
|
#define _IOC_NONE 0U
|
|
#define _IOC_WRITE 1U
|
|
#define _IOC_READ 2U
|
|
|
|
#define _IOCV(dir,type,nr,size) \
|
|
(((dir) << _IOC_DIRSHIFT) | \
|
|
((type) << _IOC_TYPESHIFT) | \
|
|
((nr) << _IOC_NRSHIFT) | \
|
|
((size) << _IOC_SIZESHIFT))
|
|
|
|
/* used to create numbers */
|
|
#define _IOV(type,nr) _IOCV(_IOC_NONE,(type),(nr),0)
|
|
#define _IORV(type,nr,size) _IOCV(_IOC_READ,(type),(nr),sizeof(size))
|
|
#define _IOWV(type,nr,size) _IOCV(_IOC_WRITE,(type),(nr),sizeof(size))
|
|
#define _IOWRV(type,nr,size) _IOCV(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
|
|
|
|
/* used to decode ioctl numbers.. */
|
|
#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
|
|
#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
|
|
#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
|
|
#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
|
|
|
|
/* ...and for the drivers/sound files... */
|
|
|
|
#define IOCV_IN (_IOC_WRITE << _IOC_DIRSHIFT)
|
|
#define IOCV_OUT (_IOC_READ << _IOC_DIRSHIFT)
|
|
#define IOCV_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
|
|
#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
|
|
#define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
|
|
|
|
#endif
|