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x86-style PIO ops for USERLAND ONLY! Requires -lalpha.

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This commit is contained in:
thorpej 2000-02-26 19:00:51 +00:00
parent 933205b479
commit 0958e8149a
1 changed files with 69 additions and 0 deletions
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sys/arch/alpha/include/pio.h Normal file
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/* $NetBSD: pio.h,v 1.3 2000/02/26 19:00:51 thorpej Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _ALPHA_PIO_H_
#define _ALPHA_PIO_H_
#include <machine/bus.h>
#ifdef _KERNEL
#error This file is for userspace only.
#else
struct alpha_pci_io_ops {
u_int8_t (*apio_inb) __P((bus_addr_t));
u_int16_t (*apio_inw) __P((bus_addr_t));
u_int32_t (*apio_inl) __P((bus_addr_t));
void (*apio_outb) __P((bus_addr_t, u_int8_t));
void (*apio_outw) __P((bus_addr_t, u_int16_t));
void (*apio_outl) __P((bus_addr_t, u_int32_t));
};
extern const struct alpha_pci_io_ops *alpha_pci_io_switch;
#define inb(addr) (*alpha_pci_io_switch->apio_inb)((addr))
#define inw(addr) (*alpha_pci_io_switch->apio_inw)((addr))
#define inl(addr) (*alpha_pci_io_switch->apio_inl)((addr))
#define outb(addr, val) (*alpha_pci_io_switch->apio_outb)((addr), (val))
#define outw(addr, val) (*alpha_pci_io_switch->apio_outw)((addr), (val))
#define ouwl(addr, val) (*alpha_pci_io_switch->apio_outl)((addr), (val))
int alpha_pci_io_enable __P((int));
#endif /* _KERNEL */
#endif /* _ALPHA_PIO_H_ */