1 1.10 matt /* $NetBSD: pio.h,v 1.10 2012/02/06 02:14:13 matt Exp $ */ 2 1.1 cgd 3 1.3 thorpej /*- 4 1.3 thorpej * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 1.1 cgd * All rights reserved. 6 1.1 cgd * 7 1.3 thorpej * This code is derived from software contributed to The NetBSD Foundation 8 1.3 thorpej * by Jason R. Thorpe. 9 1.1 cgd * 10 1.3 thorpej * Redistribution and use in source and binary forms, with or without 11 1.3 thorpej * modification, are permitted provided that the following conditions 12 1.3 thorpej * are met: 13 1.3 thorpej * 1. Redistributions of source code must retain the above copyright 14 1.3 thorpej * notice, this list of conditions and the following disclaimer. 15 1.3 thorpej * 2. Redistributions in binary form must reproduce the above copyright 16 1.3 thorpej * notice, this list of conditions and the following disclaimer in the 17 1.3 thorpej * documentation and/or other materials provided with the distribution. 18 1.1 cgd * 19 1.3 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.3 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.3 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.3 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.3 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.3 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.3 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.3 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.3 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.3 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.3 thorpej * POSSIBILITY OF SUCH DAMAGE. 30 1.3 thorpej */ 31 1.3 thorpej 32 1.3 thorpej #ifndef _ALPHA_PIO_H_ 33 1.3 thorpej #define _ALPHA_PIO_H_ 34 1.3 thorpej 35 1.6 thorpej #include <sys/cdefs.h> 36 1.9 dyoung #include <machine/bus_user.h> 37 1.3 thorpej 38 1.3 thorpej #ifdef _KERNEL 39 1.3 thorpej #error This file is for userspace only. 40 1.3 thorpej #else 41 1.3 thorpej struct alpha_pci_io_ops { 42 1.10 matt uint8_t (*apio_inb)(bus_addr_t); 43 1.10 matt uint16_t (*apio_inw)(bus_addr_t); 44 1.10 matt uint32_t (*apio_inl)(bus_addr_t); 45 1.10 matt void (*apio_outb)(bus_addr_t, uint8_t); 46 1.10 matt void (*apio_outw)(bus_addr_t, uint16_t); 47 1.10 matt void (*apio_outl)(bus_addr_t, uint32_t); 48 1.1 cgd }; 49 1.1 cgd 50 1.3 thorpej #define inb(addr) (*alpha_pci_io_switch->apio_inb)((addr)) 51 1.3 thorpej #define inw(addr) (*alpha_pci_io_switch->apio_inw)((addr)) 52 1.3 thorpej #define inl(addr) (*alpha_pci_io_switch->apio_inl)((addr)) 53 1.1 cgd 54 1.3 thorpej #define outb(addr, val) (*alpha_pci_io_switch->apio_outb)((addr), (val)) 55 1.3 thorpej #define outw(addr, val) (*alpha_pci_io_switch->apio_outw)((addr), (val)) 56 1.5 simonb #define outl(addr, val) (*alpha_pci_io_switch->apio_outl)((addr), (val)) 57 1.1 cgd 58 1.6 thorpej __BEGIN_DECLS 59 1.6 thorpej extern const struct alpha_pci_io_ops *alpha_pci_io_switch; 60 1.6 thorpej 61 1.4 thorpej int alpha_pci_io_enable(int); 62 1.6 thorpej __END_DECLS 63 1.3 thorpej #endif /* _KERNEL */ 64 1.1 cgd 65 1.3 thorpej #endif /* _ALPHA_PIO_H_ */ 66