freebsd-dev/sys/pc98/pc98/epsonio.h
2001-07-14 04:14:29 +00:00

94 lines
2.4 KiB
C

/*
* Copyright (c) KATO Takenori, 1996. 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 as
* the first lines of this file unmodified.
* 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. The name of the author 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.
*
* $FreeBSD$
*/
#ifndef __PC98_PC98_EPSONIO_H__
#define __PC98_PC98_EPSONIO_H__
#include <machine/cpufunc.h>
static __inline u_char
epson_inb(u_int port)
{
u_char data;
outb(0x43f, 0x42);
data = inb(port);
outb(0x43f, 0x40);
return (data);
}
static __inline void
epson_outb(u_int port, u_char data)
{
outb(0x43f, 0x42);
outb(port,data);
outb(0x43f, 0x40);
}
static __inline u_int16_t
epson_inw(u_int port)
{
u_int16_t data;
outb(0x43f, 0x42);
data = inw(port);
outb(0x43f, 0x40);
return (data);
}
static __inline void
epson_insw(u_int port, void *addr, size_t cnt)
{
int s;
s = splbio();
outb(0x43f, 0x42);
disable_intr();
insw((u_int)port, (void *)addr, (size_t)cnt);
outb(0x43f, 0x40);
enable_intr();
splx(s);
}
static __inline void
epson_outsw(u_int port, void *addr, size_t cnt)
{
int s;
s = splbio();
outb(0x43f, 0x42);
disable_intr();
outsw((u_int)port, (void *)addr, (size_t)cnt);
outb(0x43f, 0x40);
enable_intr();
splx(s);
}
#endif