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hb.c revision 1.2 
      1 /*	$NetBSD: hb.c,v 1.2 1998/06/05 14:19:22 tsubai 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 char *hbdevs[] = {
     36 	"clock",
     37 	"fb",
     38 	"zsc",
     39 	"kb",
     40 	"ms",
     41 	"le",
     42 	"sc",
     43 	NULL
     44 };
     45 
     46 static void
     47 hb_attach(parent, self, aux)
     48 	struct device *parent;
     49 	struct device *self;
     50 	void *aux;
     51 {
     52 	struct confargs ca;
     53 	char **p = hbdevs;
     54 
     55 	printf("\n");
     56 	bzero(&ca, sizeof(ca));
     57 
     58 	while (*p) {
     59 		ca.ca_name = *p;
     60 		config_search(hb_search, self, &ca);
     61 		p++;
     62 	}
     63 }
     64 
     65 static int
     66 hb_search(parent, cf, aux)
     67 	struct device *parent;
     68 	struct cfdata *cf;
     69 	void *aux;
     70 {
     71 	struct confargs *ca = aux;
     72 
     73 	ca->ca_addr = cf->cf_addr;
     74 
     75 	if ((*cf->cf_attach->ca_match)(parent, cf, ca) != 0)
     76 		config_attach(parent, cf, ca, hb_print);
     77 
     78 	return 0;
     79 }
     80 
     81 /*
     82  * Print out the confargs.  The (parent) name is non-NULL
     83  * when there was no match found by config_found().
     84  */
     85 static int
     86 hb_print(args, name)
     87 	void *args;
     88 	const char *name;
     89 {
     90 	struct confargs *ca = args;
     91 
     92 	/* Be quiet about empty HB locations. */
     93 	if (name)
     94 		return(QUIET);
     95 
     96 	if (ca->ca_addr != -1)
     97 		printf(" addr 0x%x", ca->ca_addr);
     98 
     99 	return(UNCONF);
    100 }
    101 
    102