1 /*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91 30 * $FreeBSD: src/sys/i386/isa/isa_device.h,v 1.68 2000/01/29 18:01:10 peter Exp $ 31 */ 32 33 #ifndef _BUS_ISA_ARCH_ISA_DEVICE_H_ 34 #define _BUS_ISA_ARCH_ISA_DEVICE_H_ 35 36 #ifndef _SYS_INTERRUPT_H_ 37 #include <sys/interrupt.h> 38 #endif 39 40 /* 41 * ISA Bus Autoconfiguration 42 */ 43 44 /* 45 * Per device structure. 46 */ 47 struct isa_device { 48 int id_id; /* device id */ 49 struct isa_driver *id_driver; 50 int id_iobase; /* base i/o address */ 51 int id_iosize; /* base i/o length */ 52 u_int id_irq; /* interrupt request */ 53 int id_drq; /* DMA request */ 54 caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/ 55 int id_msize; /* size of i/o memory */ 56 inthand2_t *id_intr; 57 int id_unit; /* unit number */ 58 int id_flags; /* flags */ 59 int id_enabled; /* is device enabled */ 60 struct isa_device *id_next; /* used in isa_devlist in userconfig() */ 61 device_t id_device; /* new-bus wrapper device */ 62 }; 63 64 /* 65 * Per-driver structure. 66 * 67 * Each device driver defines entries for a set of routines 68 * as well as an array of types which are acceptable to it. 69 * These are used at boot time by the configuration program. 70 */ 71 struct isa_driver { 72 int (*probe) (struct isa_device *idp); 73 /* test whether device is present */ 74 int (*attach) (struct isa_device *idp); 75 /* setup driver for a device */ 76 char *name; /* device name */ 77 int sensitive_hw; /* true if other probes confuse us */ 78 }; 79 80 #endif /* !_BUS_ISA_ARCH_ISA_DEVICE_H_ */ 81