kernel/isa: Remove empty isa_init() (formerly used for COMPAT_OLDISA).
[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 $
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 */
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67extern struct resource *isa_alloc_resource(device_t bus, device_t child,
68 int type, int *rid,
69 u_long start, u_long end,
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70 u_long count, u_int flags,
71 int cpuid);
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72extern int isa_release_resource(device_t bus, device_t child,
73 int type, int rid,
74 struct resource *r);
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75extern int isa_setup_intr(device_t bus, device_t child,
76 struct resource *r, int flags,
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77 void (*ihand)(void *), void *arg,
78 void **cookiep, lwkt_serialize_t serializer);
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79extern int isa_teardown_intr(device_t bus, device_t child,
80 struct resource *r, void *cookie);