xref: /openbsd-src/sys/dev/tc/ioasicvar.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: ioasicvar.h,v 1.3 1997/11/07 08:07:51 niklas Exp $	*/
2 /*	$NetBSD: ioasicvar.h,v 1.2 1996/03/17 21:37:45 jonathan Exp $	*/
3 
4 /*
5  * Copyright (c) 1995 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Chris G. Demetriou
9  *
10  * Permission to use, copy, modify and distribute this software and
11  * its documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 /*
32  * IOASIC subdevice attachment information.
33  */
34 
35 /* Attachment arguments. */
36 struct ioasicdev_attach_args {
37 	char	iada_modname[TC_ROM_LLEN];
38 	tc_offset_t iada_offset;
39 	tc_addr_t iada_addr;
40 	void	*iada_cookie;
41 };
42 
43 /* Device locators. */
44 #define	ioasiccf_offset	cf_loc[0]		/* offset */
45 
46 #define	IOASIC_OFFSET_UNKNOWN	-1
47 
48 /*
49  * The IOASIC (bus) cfdriver, so that subdevices can more
50  * easily tell what bus they're on.
51  */
52 extern struct cfdriver ioasic_cd;
53 
54 
55 /*
56  * XXX Some drivers need direct access to IOASIC registers.
57  */
58 extern tc_addr_t ioasic_base;
59 
60 
61 /*
62  * Interrupt establishment/disestablishment functions
63  */
64 void    ioasic_intr_establish __P((struct device *, void *, tc_intrlevel_t,
65 	    int (*)(void *), void *));
66 void    ioasic_intr_disestablish __P((struct device *, void *));
67 
68 
69 /*
70  * Miscellaneous helper functions.
71  */
72 int	ioasic_submatch __P((struct cfdata *, struct ioasicdev_attach_args *));
73 char	*ioasic_lance_ether_address __P((void));
74 void	ioasic_lance_dma_setup __P((void *));
75