FreeBSD/Linux Kernel Cross Reference
sys/isa/isa_common.h
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 1.17 2008/11/18 21:01:54 jhb 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
36 /*
37 * PNP configurations are kept in a tailq.
38 */
39 TAILQ_HEAD(isa_config_list, isa_config_entry);
40 struct isa_config_entry {
41 TAILQ_ENTRY(isa_config_entry) ice_link;
42 int ice_priority;
43 struct isa_config ice_config;
44 };
45
46 /*
47 * The structure used to attach devices to the isa bus.
48 */
49 struct isa_device {
50 struct resource_list id_resources;
51 uint32_t id_vendorid; /* pnp vendor id */
52 uint32_t id_serial; /* pnp serial */
53 uint32_t id_logicalid; /* pnp logical device id */
54 uint32_t id_compatid; /* pnp compat device id */
55 struct isa_config_list id_configs; /* pnp config alternatives */
56 isa_config_cb *id_config_cb; /* callback function */
57 void *id_config_arg; /* callback argument */
58 int id_config_attr; /* pnp config attributes */
59 int id_pnpbios_handle; /* pnp handle, if any */
60 int id_pnp_csn; /* pnp Card Number */
61 int id_pnp_ldn; /* pnp Logical device on card */
62 int id_order;
63 };
64
65 #define DEVTOISA(dev) ((struct isa_device *) device_get_ivars(dev))
66
67 /*
68 * These functions are architecture dependant.
69 */
70 extern void isa_init(device_t dev);
71 extern struct resource *isa_alloc_resource(device_t bus, device_t child,
72 int type, int *rid, u_long start, u_long end, u_long count, u_int flags);
73 extern int isa_release_resource(device_t bus, device_t child,
74 int type, int rid, struct resource *r);
75
76 extern int isa_setup_intr(device_t bus, device_t child, struct resource *r,
77 int flags, driver_filter_t *filter, void (*ihand)(void *), void *arg,
78 void **cookiep);
79 extern int isa_teardown_intr(device_t bus, device_t child, struct resource *r,
80 void *cookie);
81
82 extern driver_t isa_driver;
83 extern devclass_t isa_devclass;
84
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