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hb.c revision 1.2.10.1 
      1 /*	$NetBSD: hb.c,v 1.2.10.1 1999/08/02 19:58:23 thorpej Exp $	*/
      2 
      3 #include <sys/param.h>
      4 #include <sys/systm.h>
      5 #include <sys/device.h>
      6 
      7 #include <machine/autoconf.h>
      8 #include <machine/adrsmap.h>
      9 
     10 static int	hb_match __P((struct device *, struct cfdata *, void *));
     11 static void	hb_attach __P((struct device *, struct device *, void *));
     12 static int	hb_search __P((struct device *, struct cfdata *, void *));
     13 static int	hb_print __P((void *, const char *));
     14 
     15 struct cfattach hb_ca = {
     16 	sizeof(struct device), hb_match, hb_attach
     17 };
     18 
     19 extern struct cfdriver hb_cd;
     20 
     21 static int
     22 hb_match(parent, cf, aux)
     23 	struct device *parent;
     24 	struct cfdata *cf;
     25 	void *aux;
     26 {
     27 	struct confargs *ca = aux;
     28 
     29 	if (strcmp(ca->ca_name, hb_cd.cd_name) != 0)
     30 		return 0;
     31 
     32 	return 1;
     33 }
     34 
     35 static void
     36 hb_attach(parent, self, aux)
     37 	struct device *parent;
     38 	struct device *self;
     39 	void *aux;
     40 {
     41 	struct confargs *ca = aux;
     42 
     43 	printf("\n");
     44 	config_search(hb_search, self, ca);
     45 }
     46 
     47 static int
     48 hb_search(parent, cf, aux)
     49 	struct device *parent;
     50 	struct cfdata *cf;
     51 	void *aux;
     52 {
     53 	struct confargs *ca = aux;
     54 
     55 	ca->ca_addr = cf->cf_addr;
     56 	ca->ca_name = cf->cf_driver->cd_name;
     57 
     58 	if ((*cf->cf_attach->ca_match)(parent, cf, ca) > 0)
     59 		config_attach(parent, cf, ca, hb_print);
     60 
     61 	return 0;
     62 }
     63 
     64 /*
     65  * Print out the confargs.  The (parent) name is non-NULL
     66  * when there was no match found by config_found().
     67  */
     68 static int
     69 hb_print(args, name)
     70 	void *args;
     71 	const char *name;
     72 {
     73 	struct confargs *ca = args;
     74 
     75 	/* Be quiet about empty HB locations. */
     76 	if (name)
     77 		return QUIET;
     78 
     79 	if (ca->ca_addr != -1)
     80 		printf(" addr 0x%x", ca->ca_addr);
     81 
     82 	return UNCONF;
     83 }
     84