isa_common.h revision 51052
1/*- 2 * Copyright (c) 1999 Doug Rabson 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/isa/isa_common.h 51052 1999-09-07 08:42:49Z dfr $ 27 */ 28 29/* 30 * Parts of the ISA bus implementation common to all architectures. 31 * 32 * Drivers must not depend on information in this file as it can change 33 * without notice. 34 */ 35 36MALLOC_DECLARE(M_ISADEV); 37 38/* 39 * PNP configurations are kept in a tailq. 40 */ 41TAILQ_HEAD(isa_config_list, isa_config_entry); 42struct isa_config_entry { 43 TAILQ_ENTRY(isa_config_entry) ice_link; 44 int ice_priority; 45 struct isa_config ice_config; 46}; 47 48/* 49 * The structure used to attach devices to the isa bus. 50 */ 51struct isa_device { 52 struct resource_list id_resources; 53 u_int32_t id_vendorid; /* pnp vendor id */ 54 u_int32_t id_serial; /* pnp serial */ 55 u_int32_t id_logicalid; /* pnp logical device id */ 56 u_int32_t id_compatid; /* pnp compat device id */ 57 struct isa_config_list id_configs; /* pnp config alternatives */ 58 isa_config_cb *id_config_cb; /* callback function */ 59 void *id_config_arg; /* callback argument */ 60}; 61 62#define DEVTOISA(dev) ((struct isa_device *) device_get_ivars(dev)) 63 64/* 65 * These functions are architecture dependant. 66 */ 67extern void isa_init(void); 68extern struct resource *isa_alloc_resource(device_t bus, device_t child, 69 int type, int *rid, 70 u_long start, u_long end, 71 u_long count, u_int flags); 72extern int isa_release_resource(device_t bus, device_t child, 73 int type, int rid, 74 struct resource *r); 75 76/* XXX alphe declares these elsewhere */ 77#ifndef __alpha__ 78extern int isa_setup_intr(device_t bus, device_t child, 79 struct resource *r, int flags, 80 void (*ihand)(void *), void *arg, void **cookiep); 81extern int isa_teardown_intr(device_t bus, device_t child, 82 struct resource *r, void *cookie); 83#endif 84 85