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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91
34 * $FreeBSD: releng/5.0/sys/i386/isa/isa_device.h 99629 2002-07-09 01:16:18Z mike $
35 */
36
37 #ifndef _I386_ISA_ISA_DEVICE_H_
38 #define _I386_ISA_ISA_DEVICE_H_
39
40 #ifdef _KERNEL
41 #include <sys/bus.h>
42 #include <isa/isavar.h>
43 #include "opt_compat_oldisa.h"
44 #endif
45
46 /*
47 * ISA Bus Autoconfiguration
48 */
49
50 #ifdef COMPAT_OLDISA
51
52 /* Interrupt handler function type. */
53 typedef void ointhand2_t(int _device_id);
54
55 /*
56 * Per device structure.
57 */
58 struct isa_device {
59 struct isa_driver *id_driver;
60 int id_iobase; /* base i/o address */
61 int id_iosize; /* base i/o length */
62 u_int id_irq; /* interrupt request */
63 int id_drq; /* DMA request */
64 caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/
65 int id_msize; /* size of i/o memory */
66 union {
67 driver_intr_t *id_i;
68 ointhand2_t *id_oi;
69 } id_iu; /* interrupt interface routine */
70 #define id_intr id_iu.id_i
71 #define id_ointr id_iu.id_oi
72 int id_unit; /* unit number */
73 int id_flags; /* flags */
74 int id_enabled; /* is device enabled */
75 struct device *id_device; /* new-bus wrapper device */
76 };
77
78 /*
79 * Per-driver structure.
80 *
81 * Each device driver defines entries for a set of routines
82 * as well as an array of types which are acceptable to it.
83 * These are used at boot time by the configuration program.
84 */
85 struct isa_driver {
86 int intrflags;
87 int (*probe)(struct isa_device *idp);
88 /* test whether device is present */
89 int (*attach)(struct isa_device *idp);
90 /* setup driver for a device */
91 const char *name; /* device name */
92 int sensitive_hw; /* true if other probes confuse us */
93 };
94
95 #ifdef _KERNEL
96
97 /* Wrappers */
98 struct module;
99 int compat_isa_handler(struct module *, int, void *);
100 #define COMPAT_ISA_DRIVER(name, isadata) \
101 static moduledata_t name##_mod = { \
102 #name, \
103 compat_isa_handler, \
104 &isadata \
105 }; \
106 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY) \
107
108 #endif
109
110 #endif /* COMPAT_OLDISA */
111
112 #endif /* !_I386_ISA_ISA_DEVICE_H_ */
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