60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/* $NetBSD: pio.h,v 1.5 2005/12/11 12:16:39 christos Exp $ */
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/* $OpenBSD: pio.h,v 1.3 1997/04/19 17:19:58 pefo Exp $ */
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/*
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* Copyright (c) 1995 Per Fogelstrom. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Per Fogelstrom.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARC_PIO_H_
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#define _ARC_PIO_H_
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/*
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* I/O macros.
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*/
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#define outb(a,v) (*(volatile unsigned char*)(a) = (v))
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#define outw(a,v) (*(volatile unsigned short*)(a) = (v))
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#define out16(a,v) outw(a,v)
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#define outl(a,v) (*(volatile unsigned int*)(a) = (v))
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#define out32(a,v) outl(a,v)
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#define inb(a) (*(volatile unsigned char*)(a))
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#define inw(a) (*(volatile unsigned short*)(a))
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#define in16(a) inw(a)
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#define inl(a) (*(volatile unsigned int*)(a))
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#define in32(a) inl(a)
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void insb(uint8_t *, uint8_t *,int);
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void insw(uint16_t *, uint16_t *,int);
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void insl(uint32_t *, uint32_t *,int);
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void outsb(uint8_t *, const uint8_t *,int);
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void outsw(uint16_t *, const uint16_t *,int);
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void outsl(uint32_t *, const uint32_t *,int);
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extern struct arc_bus_space arc_bus_io, arc_bus_mem;
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#endif /*_ARC_PIO_H_*/
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