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1 | /*- |
2 | * Copyright (c) 1991 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * %sccs.include.redist.c% | |
6 | * | |
7 | * @(#)isa_device.h 7.1 (Berkeley) %G% | |
8 | */ | |
9 | ||
704daf28 BJ |
10 | /* |
11 | * ISA Bus Autoconfiguration | |
704daf28 BJ |
12 | */ |
13 | ||
14 | /* | |
15 | * Per device structure. | |
16 | */ | |
17 | struct isa_device { | |
18 | struct isa_driver *id_driver; | |
19 | short id_iobase; /* base i/o address */ | |
20 | short id_irq; /* interrupt request */ | |
21 | short id_drq; /* DMA request */ | |
22 | caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/ | |
23 | int id_msize; /* size of i/o memory */ | |
24 | int (*id_intr)(); /* interrupt interface routine */ | |
25 | int id_unit; /* unit number */ | |
26 | int id_scsiid; /* scsi id if needed */ | |
27 | int id_alive; /* device is present */ | |
28 | }; | |
29 | ||
30 | /* | |
31 | * Per-driver structure. | |
32 | * | |
33 | * Each device driver defines entries for a set of routines | |
34 | * as well as an array of types which are acceptable to it. | |
35 | * These are used at boot time by the configuration program. | |
36 | */ | |
37 | struct isa_driver { | |
38 | int (*probe)(); /* test whether device is present */ | |
39 | int (*attach)(); /* setup driver for a device */ | |
40 | char *name; /* device name */ | |
41 | }; | |
42 | ||
43 | extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[], | |
44 | isa_devtab_null[]; |