freebsd-dev/sys/arm/include/blockio.h
2012-06-13 05:02:51 +00:00

57 lines
2.1 KiB
C

/* $NetBSD: blockio.h,v 1.2 2001/06/02 10:44:56 bjh21 Exp $ */
/*-
* Copyright (c) 2001 Ben Harris
* 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. 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.
*
* $FreeBSD$
*
*/
/*
* blockio.h - low level functions for bulk PIO data transfer
*/
#ifndef _MACHINE_BLOCKIO_H_
#define _MACHINE_BLOCKIO_H_
/*
* All these take three arguments:
* I/O address
* Memory address
* Number of bytes to copy
*/
void read_multi_1(u_int, void *, u_int);
void write_multi_1(u_int, const void *, u_int);
#define read_multi_2 insw16
#define write_multi_2 outsw16
void insw(u_int, void *, u_int);
void outsw(u_int, void *, u_int);
void insw16(u_int, void *, u_int);
void outsw16(u_int, void *, u_int);
#endif /* !_MACHINE_BLOCKIO_H_ */