/* $NetBSD: pio.h,v 1.10 2012/02/06 02:14:13 matt 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. * * 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 <sys/cdefs.h> #include <machine/bus_user.h> #ifdef _KERNEL #error This file is for userspace only. #else struct alpha_pci_io_ops { uint8_t (*apio_inb)(bus_addr_t); uint16_t (*apio_inw)(bus_addr_t); uint32_t (*apio_inl)(bus_addr_t); void (*apio_outb)(bus_addr_t, uint8_t); void (*apio_outw)(bus_addr_t, uint16_t); void (*apio_outl)(bus_addr_t, uint32_t); }; #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 outl(addr, val) (*alpha_pci_io_switch->apio_outl)((addr), (val)) __BEGIN_DECLS extern const struct alpha_pci_io_ops *alpha_pci_io_switch; int alpha_pci_io_enable(int); __END_DECLS #endif /* _KERNEL */ #endif /* _ALPHA_PIO_H_ */ |