Home | History | Annotate | Line # | Download | only in tc
ioasic_subr.c revision 1.9 
      1 /*	$NetBSD: ioasic_subr.c,v 1.9 2005/08/25 18:35:40 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 (at) 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 1.9 2005/08/25 18:35:40 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 *locs, void *aux)
     62 {
     63 
     64 	if ((cf->cf_loc[IOASICCF_OFFSET] != IOASICCF_OFFSET_DEFAULT) &&
     65 	    (cf->cf_loc[IOASICCF_OFFSET] != 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 locs[IOASICCF_NLOCS];
     80 
     81         /*
     82 	 * Try to configure each device.
     83 	 */
     84         for (i = 0; i < ioasic_ndevs; i++) {
     85 		strlcpy(idev.iada_modname, ioasic_devs[i].iad_modname,
     86 		    sizeof(idev.iada_modname));
     87 		idev.iada_offset = ioasic_devs[i].iad_offset;
     88 		idev.iada_addr = sc->sc_base + ioasic_devs[i].iad_offset;
     89 		idev.iada_cookie = ioasic_devs[i].iad_cookie;
     90 
     91                 /* Tell the autoconfig machinery we've found the hardware. */
     92 		locs[IOASICCF_OFFSET] = ioasic_devs[i].iad_offset;
     93 		config_found_sm_loc(&sc->sc_dv, "ioasic", locs, &idev,
     94 				    ioasicprint, ioasicsubmatch);
     95         }
     96 }
     97