xref: /netbsd-src/sys/dev/tc/ioasic_subr.c (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: ioasic_subr.c,v 1.7 2004/08/26 18:06:20 drochner Exp $	*/
2 
3 /*
4  * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Author: Keith Bostic, Chris G. Demetriou
8  *
9  * Permission to use, copy, modify and distribute this software and
10  * its documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie the
27  * rights to redistribute these changes.
28  */
29 
30 
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: ioasic_subr.c,v 1.7 2004/08/26 18:06:20 drochner Exp $");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/device.h>
37 #include <dev/tc/tcvar.h>
38 #include <dev/tc/ioasicvar.h>
39 
40 #include "locators.h"
41 
42 int     ioasicprint(void *, const char *);
43 int ioasicsubmatch(struct device *, struct cfdata *,
44 		   const locdesc_t *, void *);
45 
46 int
47 ioasicprint(aux, pnp)
48 	void *aux;
49 	const char *pnp;
50 {
51 	struct ioasicdev_attach_args *d = aux;
52 
53 	if (pnp)
54 		aprint_normal("%s at %s", d->iada_modname, pnp);
55 	aprint_normal(" offset 0x%x", d->iada_offset);
56 	return (UNCONF);
57 }
58 
59 int
60 ioasicsubmatch(struct device *parent, struct cfdata *cf,
61 		const locdesc_t *ldesc, void *aux)
62 {
63 
64 	if ((cf->cf_loc[IOASICCF_OFFSET] != IOASICCF_OFFSET_DEFAULT) &&
65 	    (cf->cf_loc[IOASICCF_OFFSET] != ldesc->locs[IOASICCF_OFFSET]))
66 		return (0);
67 
68 	return (config_match(parent, cf, aux));
69 }
70 
71 void
72 ioasic_attach_devs(sc, ioasic_devs, ioasic_ndevs)
73 	struct ioasic_softc *sc;
74 	struct ioasic_dev *ioasic_devs;
75 	int ioasic_ndevs;
76 {
77 	struct ioasicdev_attach_args idev;
78 	int i;
79 	int help[2];
80 	locdesc_t *ldesc = (void *)help; /* XXX */
81 
82         /*
83 	 * Try to configure each device.
84 	 */
85         for (i = 0; i < ioasic_ndevs; i++) {
86 		strlcpy(idev.iada_modname, ioasic_devs[i].iad_modname,
87 		    sizeof(idev.iada_modname));
88 		idev.iada_offset = ioasic_devs[i].iad_offset;
89 		idev.iada_addr = sc->sc_base + ioasic_devs[i].iad_offset;
90 		idev.iada_cookie = ioasic_devs[i].iad_cookie;
91 
92                 /* Tell the autoconfig machinery we've found the hardware. */
93 		ldesc->len = 1;
94 		ldesc->locs[IOASICCF_OFFSET] = ioasic_devs[i].iad_offset;
95 		config_found_sm_loc(&sc->sc_dv, "ioasic", ldesc, &idev,
96 				    ioasicprint, ioasicsubmatch);
97         }
98 }
99