freebsd-skq/sys/dev/ppbus/ppi.h
msmith 8acca4f677 Actually implement the internals of the 'ppi' device.
It is now possible to control the various parallel port signals from
user-space programs without having to resort to opening /dev/io
directly.
1998-01-02 09:30:39 +00:00

52 lines
2.0 KiB
C

/*-
* Copyright (c) 1997 Nicolas Souchu
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $Id: ppi.h,v 1.1 1997/08/14 13:57:43 msmith Exp $
*
*/
#ifndef __PPI_H
#define __PPI_H
#ifndef KERNEL
# include <sys/types.h>
#endif
#include <sys/ioccom.h>
#define PPIGDATA _IOR('P', 10, u_int8_t)
#define PPIGSTATUS _IOR('P', 11, u_int8_t)
#define PPIGCTRL _IOR('P', 12, u_int8_t)
#define PPIGEPP _IOR('P', 13, u_int8_t)
#define PPIGECR _IOR('P', 14, u_int8_t)
#define PPIGFIFO _IOR('P', 15, u_int8_t)
#define PPISDATA _IOW('P', 16, u_int8_t)
#define PPISSTATUS _IOW('P', 17, u_int8_t)
#define PPISCTRL _IOW('P', 18, u_int8_t)
#define PPISEPP _IOW('P', 19, u_int8_t)
#define PPISECR _IOW('P', 20, u_int8_t)
#define PPISFIFO _IOW('P', 21, u_int8_t)
#endif