xref: /dragonfly/sys/bus/isa/x86_64/isa_device.h (revision cf89a63b)
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: src/sys/i386/isa/isa_device.h,v 1.68 2000/01/29 18:01:10 peter Exp $
35  */
36 
37 #ifndef _BUS_ISA_ARCH_ISA_DEVICE_H_
38 #define	_BUS_ISA_ARCH_ISA_DEVICE_H_
39 
40 #ifndef _SYS_INTERRUPT_H_
41 #include <sys/interrupt.h>
42 #endif
43 
44 /*
45  * ISA Bus Autoconfiguration
46  */
47 
48 /*
49  * Per device structure.
50  */
51 struct isa_device {
52 	int	id_id;		/* device id */
53 	struct	isa_driver *id_driver;
54 	int	id_iobase;	/* base i/o address */
55 	int	id_iosize;	/* base i/o length */
56 	u_int	id_irq;		/* interrupt request */
57 	int	id_drq;		/* DMA request */
58 	caddr_t id_maddr;	/* physical i/o memory address on bus (if any)*/
59 	int	id_msize;	/* size of i/o memory */
60 	inthand2_t *id_intr;
61 	int	id_unit;	/* unit number */
62 	int	id_flags;	/* flags */
63 	int	id_enabled;	/* is device enabled */
64 	struct isa_device *id_next; /* used in isa_devlist in userconfig() */
65 	struct device *id_device; /* new-bus wrapper device */
66 };
67 
68 /*
69  * Per-driver structure.
70  *
71  * Each device driver defines entries for a set of routines
72  * as well as an array of types which are acceptable to it.
73  * These are used at boot time by the configuration program.
74  */
75 struct isa_driver {
76 	int	(*probe) (struct isa_device *idp);
77 					/* test whether device is present */
78 	int	(*attach) (struct isa_device *idp);
79 					/* setup driver for a device */
80 	char	*name;			/* device name */
81 	int	sensitive_hw;		/* true if other probes confuse us */
82 };
83 
84 #endif /* !_BUS_ISA_ARCH_ISA_DEVICE_H_ */
85