Home | History | Annotate | Line # | Download | only in dev
kbc.c revision 1.6 
      1 /*	$NetBSD: kbc.c,v 1.6 2003/01/11 16:00:48 tsutsui Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 2001 Izumi Tsutsui.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 
     30 #include <sys/param.h>
     31 #include <sys/systm.h>
     32 #include <sys/conf.h>
     33 #include <sys/device.h>
     34 #include <sys/tty.h>
     35 
     36 #include <machine/bus.h>
     37 #include <machine/cpu.h>
     38 
     39 #include <dev/cons.h>
     40 
     41 #include <news68k/dev/hbvar.h>
     42 #include <news68k/dev/kbcvar.h>
     43 
     44 #define KBC_SIZE 0x10 /* XXX */
     45 
     46 /* Definition of the driver for autoconfig. */
     47 static int  kbc_match(struct device *, struct cfdata *, void *);
     48 static void kbc_attach(struct device *, struct device *, void *);
     49 static int  kbc_print(void *, const char *name);
     50 
     51 CFATTACH_DECL(kbc, sizeof(struct device),
     52     kbc_match, kbc_attach, NULL, NULL);
     53 
     54 extern struct cfdriver kbc_cd;
     55 
     56 static int kbc_match(parent, cf, aux)
     57 	struct device *parent;
     58 	struct cfdata *cf;
     59 	void *aux;
     60 {
     61 	struct hb_attach_args *ha = aux;
     62 	u_int addr;
     63 
     64 	if (strcmp(ha->ha_name, "kbc"))
     65 		return 0;
     66 
     67 	/* XXX no default address */
     68 	if (ha->ha_address == (u_int)-1)
     69 		return 0;
     70 
     71 	addr = IIOV(ha->ha_address); /* XXX */
     72 
     73 	if (badaddr((void *)addr, 1))
     74 		return 0;
     75 
     76 	return 1;
     77 }
     78 
     79 static void
     80 kbc_attach(parent, self, aux)
     81 	struct device *parent;
     82 	struct device *self;
     83 	void *aux;
     84 {
     85 	struct hb_attach_args *ha = aux;
     86 	struct kbc_attach_args ka;
     87 	bus_space_tag_t bt = ha->ha_bust;
     88 	bus_space_handle_t bh;
     89 
     90 	if (bus_space_map(bt, ha->ha_address, KBC_SIZE, 0, &bh) != 0) {
     91 		printf("can't map device space\n");
     92 		return;
     93 	}
     94 
     95 	printf("\n");
     96 
     97 	ka.ka_bt = bt;
     98 	ka.ka_bh = bh;
     99 	ka.ka_ipl = ha->ha_ipl;
    100 
    101 	if (ka.ka_ipl == -1)
    102 		ka.ka_ipl = KBC_PRI;
    103 
    104 	ka.ka_name = "kb";
    105 	config_found(self, (void *)&ka, kbc_print);
    106 
    107 	ka.ka_name = "ms";
    108 	config_found(self, (void *)&ka, kbc_print);
    109 }
    110 
    111 static int
    112 kbc_print(aux, name)
    113 	void *aux;
    114 	const char *name;
    115 {
    116 
    117 	if (name != NULL)
    118 		aprint_normal("%s: ", name);
    119 
    120 	return UNCONF;
    121 }
    122