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[dragonfly.git] / sys / bus / isa / isa_common.h
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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: src/sys/isa/isa_common.h,v 1.5 1999/09/07 08:42:47 dfr Exp $
1de703da 27 * $DragonFly: src/sys/bus/isa/isa_common.h,v 1.2 2003/06/17 04:28:40 dillon Exp $
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28 */
29
30/*
31 * Parts of the ISA bus implementation common to all architectures.
32 *
33 * Drivers must not depend on information in this file as it can change
34 * without notice.
35 */
36
37MALLOC_DECLARE(M_ISADEV);
38
39/*
40 * PNP configurations are kept in a tailq.
41 */
42TAILQ_HEAD(isa_config_list, isa_config_entry);
43struct isa_config_entry {
44 TAILQ_ENTRY(isa_config_entry) ice_link;
45 int ice_priority;
46 struct isa_config ice_config;
47};
48
49/*
50 * The structure used to attach devices to the isa bus.
51 */
52struct isa_device {
53 struct resource_list id_resources;
54 u_int32_t id_vendorid; /* pnp vendor id */
55 u_int32_t id_serial; /* pnp serial */
56 u_int32_t id_logicalid; /* pnp logical device id */
57 u_int32_t id_compatid; /* pnp compat device id */
58 struct isa_config_list id_configs; /* pnp config alternatives */
59 isa_config_cb *id_config_cb; /* callback function */
60 void *id_config_arg; /* callback argument */
61};
62
63#define DEVTOISA(dev) ((struct isa_device *) device_get_ivars(dev))
64
65/*
66 * These functions are architecture dependant.
67 */
68extern void isa_init(void);
69extern struct resource *isa_alloc_resource(device_t bus, device_t child,
70 int type, int *rid,
71 u_long start, u_long end,
72 u_long count, u_int flags);
73extern int isa_release_resource(device_t bus, device_t child,
74 int type, int rid,
75 struct resource *r);
76
77/* XXX alphe declares these elsewhere */
78#ifndef __alpha__
79extern int isa_setup_intr(device_t bus, device_t child,
80 struct resource *r, int flags,
81 void (*ihand)(void *), void *arg, void **cookiep);
82extern int isa_teardown_intr(device_t bus, device_t child,
83 struct resource *r, void *cookie);
84#endif
85