sys/dev/isapnp/aic_isapnp.c

   1 /*      $NetBSD: aic_isapnp.c,v 1.20 2009/09/22 12:56:06 tsutsui Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Enami Tsugutomo <enami@but-b.or.jp>
   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: aic_isapnp.c,v 1.20 2009/09/22 12:56:06 tsutsui Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38
  39 #include <sys/bus.h>
  40
  41 #include <dev/isa/isavar.h>
  42
  43 #include <dev/isapnp/isapnpreg.h>
  44 #include <dev/isapnp/isapnpvar.h>
  45 #include <dev/isapnp/isapnpdevs.h>
  46
  47 #include <dev/scsipi/scsipi_all.h>
  48 #include <dev/scsipi/scsipiconf.h>
  49 #include <dev/scsipi/scsi_all.h>
  50
  51 #include <dev/ic/aic6360var.h>
  52
  53 struct aic_isapnp_softc {
  54         struct  aic_softc sc_aic;       /* real "com" softc */
  55
  56         /* ISAPnP-specific goo. */
  57         void    *sc_ih;                 /* interrupt handler */
  58 };
  59
  60 static int      aic_isapnp_match(device_t, cfdata_t, void *);
  61 static void     aic_isapnp_attach(device_t, device_t, void *);
  62
  63 CFATTACH_DECL_NEW(aic_isapnp, sizeof(struct aic_isapnp_softc),
  64     aic_isapnp_match, aic_isapnp_attach, NULL, NULL);
  65
  66 int
  67 aic_isapnp_match(device_t parent, cfdata_t match, void *aux)
  68 {
  69         int pri, variant;
  70
  71         pri = isapnp_devmatch(aux, &isapnp_aic_devinfo, &variant);
  72         if (pri && variant > 0)
  73                 pri = 0;
  74         return (pri);
  75 }
  76
  77 void
  78 aic_isapnp_attach(device_t parent, device_t self, void *aux)
  79 {
  80         struct aic_isapnp_softc *isc = device_private(self);
  81         struct aic_softc *sc = &isc->sc_aic;
  82         struct isapnp_attach_args *ipa = aux;
  83
  84         sc->sc_dev = self;
  85
  86         printf("\n");
  87
  88         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
  89                 aprint_error_dev(self, "error in region allocation\n");
  90                 return;
  91         }
  92
  93         sc->sc_iot = ipa->ipa_iot;
  94         sc->sc_ioh = ipa->ipa_io[0].h;
  95
  96         if (!aic_find(sc->sc_iot, sc->sc_ioh)) {
  97                 aprint_error_dev(self, "couldn't find device\n");
  98                 return;
  99         }
 100
 101         aicattach(sc);
 102
 103         /* Establish the interrupt handler. */
 104         isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
 105             ipa->ipa_irq[0].type, IPL_BIO, aicintr, sc);
 106         if (isc->sc_ih == NULL)
 107                 aprint_error_dev(self, "couldn't establish interrupt\n");
 108 }