sys/dev/isapnp/joy_isapnp.c

   1 /*      $NetBSD: joy_isapnp.c,v 1.9 2006/11/16 01:33:05 christos Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   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  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *        This product includes software developed by the NetBSD
  21  *        Foundation, Inc. and its contributors.
  22  * 4. Neither the name of The NetBSD Foundation nor the names of its
  23  *    contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  * POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 __KERNEL_RCSID(0, "$NetBSD: joy_isapnp.c,v 1.9 2006/11/16 01:33:05 christos Exp $");
  41
  42 #include <sys/param.h>
  43 #include <sys/systm.h>
  44 #include <sys/kernel.h>
  45 #include <sys/device.h>
  46
  47 #include <sys/bus.h>
  48
  49 #include <dev/isa/isavar.h>
  50 #include <dev/isapnp/isapnpreg.h>
  51 #include <dev/isapnp/isapnpvar.h>
  52 #include <dev/isapnp/isapnpdevs.h>
  53
  54 #include <dev/ic/joyvar.h>
  55
  56 int     joy_isapnp_match(struct device *, struct cfdata *, void *);
  57 void    joy_isapnp_attach(struct device *, struct device *, void *);
  58
  59 CFATTACH_DECL(joy_isapnp, sizeof(struct joy_softc),
  60     joy_isapnp_match, joy_isapnp_attach, NULL, NULL);
  61
  62 int
  63 joy_isapnp_match(struct device *parent, struct cfdata *match,
  64     void *aux)
  65 {
  66         int pri, variant;
  67
  68         pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant);
  69         if (pri && variant > 0)
  70                 pri = 0;
  71         return (pri);
  72 }
  73
  74 void
  75 joy_isapnp_attach(struct device *parent, struct device *self,
  76     void *aux)
  77 {
  78         struct joy_softc *sc = device_private(self);
  79         struct isapnp_attach_args *ipa = aux;
  80         bus_space_handle_t ioh;
  81
  82         printf("\n");
  83
  84         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
  85                 printf("%s: error in region allocation\n",
  86                     sc->sc_dev.dv_xname);
  87                 return;
  88         }
  89
  90         if (ipa->ipa_io[0].length == 8) {
  91                 if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1,
  92                     &ioh) < 0) {
  93                         printf("%s: error in region allocation\n",
  94                             sc->sc_dev.dv_xname);
  95                         return;
  96                 }
  97         } else
  98                 ioh = ipa->ipa_io[0].h;
  99
 100         sc->sc_iot = ipa->ipa_iot;
 101         sc->sc_ioh = ioh;
 102
 103         printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident,
 104             ipa->ipa_devclass);
 105
 106         joyattach(sc);
 107 }