sys/arch/evbppc/explora/dev/lpt_elb.c

   1 /*      $NetBSD: lpt_elb.c,v 1.5 2008/03/07 17:15:51 cube Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Juergen Hannken-Illjes.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: lpt_elb.c,v 1.5 2008/03/07 17:15:51 cube Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/conf.h>
  37 #include <sys/device.h>
  38 #include <sys/systm.h>
  39 #include <sys/tty.h>
  40
  41 #include <machine/bus.h>
  42
  43 #include <dev/ic/lptreg.h>
  44 #include <dev/ic/lptvar.h>
  45
  46 #include <evbppc/explora/dev/elbvar.h>
  47
  48 static int      lpt_elb_probe(device_t, cfdata_t , void *);
  49 static void     lpt_elb_attach(device_t, device_t, void *);
  50
  51 CFATTACH_DECL_NEW(lpt_elb, sizeof(struct lpt_softc),
  52     lpt_elb_probe, lpt_elb_attach, NULL, NULL);
  53
  54 int
  55 lpt_elb_probe(device_t parent, cfdata_t cf, void *aux)
  56 {
  57         struct elb_attach_args *oaa = aux;
  58
  59         if (strcmp(oaa->elb_name, cf->cf_name) != 0)
  60                 return 0;
  61
  62         return (1);
  63 }
  64
  65 void
  66 lpt_elb_attach(device_t parent, device_t self, void *aux)
  67 {
  68         struct lpt_softc *sc = device_private(self);
  69         struct elb_attach_args *eaa = aux;
  70
  71         sc->sc_dev = self;
  72         sc->sc_iot = eaa->elb_bt;
  73         bus_space_map(sc->sc_iot,
  74             _BUS_SPACE_UNSTRIDE(sc->sc_iot, eaa->elb_base), LPT_NPORTS,
  75             0, &sc->sc_ioh);
  76
  77         aprint_normal("\n");
  78
  79         lpt_attach_subr(sc);
  80 }