73 lines
2.9 KiB
C
73 lines
2.9 KiB
C
/* $NetBSD: pio.h,v 1.6 2001/01/07 03:59:31 thorpej Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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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 the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ALPHA_PIO_H_
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#define _ALPHA_PIO_H_
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#include <sys/cdefs.h>
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#include <machine/bus.h>
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#ifdef _KERNEL
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#error This file is for userspace only.
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#else
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struct alpha_pci_io_ops {
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u_int8_t (*apio_inb)(bus_addr_t);
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u_int16_t (*apio_inw)(bus_addr_t);
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u_int32_t (*apio_inl)(bus_addr_t);
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void (*apio_outb)(bus_addr_t, u_int8_t);
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void (*apio_outw)(bus_addr_t, u_int16_t);
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void (*apio_outl)(bus_addr_t, u_int32_t);
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};
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#define inb(addr) (*alpha_pci_io_switch->apio_inb)((addr))
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#define inw(addr) (*alpha_pci_io_switch->apio_inw)((addr))
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#define inl(addr) (*alpha_pci_io_switch->apio_inl)((addr))
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#define outb(addr, val) (*alpha_pci_io_switch->apio_outb)((addr), (val))
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#define outw(addr, val) (*alpha_pci_io_switch->apio_outw)((addr), (val))
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#define outl(addr, val) (*alpha_pci_io_switch->apio_outl)((addr), (val))
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__BEGIN_DECLS
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extern const struct alpha_pci_io_ops *alpha_pci_io_switch;
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int alpha_pci_io_enable(int);
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__END_DECLS
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#endif /* _KERNEL */
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#endif /* _ALPHA_PIO_H_ */
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