sys/dev/pcmcia/spc_pcmcia.c

   1 /*      $NetBSD: spc_pcmcia.c,v 1.20 2008/04/28 20:23:56 martin Exp $   */
   2
   3 /*-
   4  * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Charles M. Hannum.
   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: spc_pcmcia.c,v 1.20 2008/04/28 20:23:56 martin Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38 #include <sys/buf.h>
  39
  40 #include <sys/bus.h>
  41 #include <sys/intr.h>
  42
  43 #include <dev/scsipi/scsi_all.h>
  44 #include <dev/scsipi/scsipi_all.h>
  45 #include <dev/scsipi/scsiconf.h>
  46
  47 #include <dev/pcmcia/pcmciareg.h>
  48 #include <dev/pcmcia/pcmciavar.h>
  49 #include <dev/pcmcia/pcmciadevs.h>
  50
  51 #include <dev/ic/mb89352var.h>
  52
  53 struct spc_pcmcia_softc {
  54         struct spc_softc        sc_spc;         /* glue to MI code */
  55
  56         /* PCMCIA-specific goo. */
  57         struct pcmcia_function *sc_pf;          /* our PCMCIA function */
  58         void *sc_ih;                            /* interrupt handler */
  59
  60         int sc_state;
  61 #define SPC_PCMCIA_ATTACHED     3
  62 };
  63
  64 static int      spc_pcmcia_match(device_t, cfdata_t, void *);
  65 static int      spc_pcmcia_validate_config(struct pcmcia_config_entry *);
  66 static void     spc_pcmcia_attach(device_t, device_t, void *);
  67 static int      spc_pcmcia_detach(device_t, int);
  68 static int      spc_pcmcia_enable(device_t, int);
  69
  70 CFATTACH_DECL2_NEW(spc_pcmcia, sizeof(struct spc_pcmcia_softc),
  71     spc_pcmcia_match, spc_pcmcia_attach, spc_pcmcia_detach, NULL, NULL,
  72     spc_childdet);
  73
  74 static const struct pcmcia_product spc_pcmcia_products[] = {
  75         { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_SCSI600,
  76           PCMCIA_CIS_FUJITSU_SCSI600 },
  77 };
  78 static const size_t spc_pcmcia_nproducts = __arraycount(spc_pcmcia_products);
  79
  80 int
  81 spc_pcmcia_match(device_t parent, cfdata_t cf, void *aux)
  82 {
  83         struct pcmcia_attach_args *pa = aux;
  84
  85         if (pcmcia_product_lookup(pa, spc_pcmcia_products, spc_pcmcia_nproducts,
  86             sizeof(spc_pcmcia_products[0]), NULL))
  87                 return 1;
  88         return 0;
  89 }
  90
  91 int
  92 spc_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
  93 {
  94
  95         if (cfe->iftype != PCMCIA_IFTYPE_IO ||
  96             cfe->num_memspace != 0 ||
  97             cfe->num_iospace != 1)
  98                 return EINVAL;
  99         return 0;
 100 }
 101
 102 void
 103 spc_pcmcia_attach(device_t parent, device_t self, void *aux)
 104 {
 105         struct spc_pcmcia_softc *sc = device_private(self);
 106         struct spc_softc *spc = &sc->sc_spc;
 107         struct pcmcia_attach_args *pa = aux;
 108         struct pcmcia_config_entry *cfe;
 109         struct pcmcia_function *pf = pa->pf;
 110         int error;
 111
 112         spc->sc_dev = self;
 113         sc->sc_pf = pf;
 114
 115         error = pcmcia_function_configure(pf, spc_pcmcia_validate_config);
 116         if (error) {
 117                 aprint_error_dev(self, "configure failed, error=%d\n", error);
 118                 return;
 119         }
 120
 121         cfe = pf->cfe;
 122         spc->sc_iot = cfe->iospace[0].handle.iot;
 123         spc->sc_ioh = cfe->iospace[0].handle.ioh;
 124
 125         error = spc_pcmcia_enable(self, 1);
 126         if (error)
 127                 goto fail;
 128
 129         spc->sc_initiator = 7; /* XXX */
 130         spc->sc_adapter.adapt_enable = spc_pcmcia_enable;
 131         spc->sc_adapter.adapt_refcnt = 1;
 132
 133         /*
 134          *  Initialize nca board itself.
 135          */
 136         spc_attach(spc);
 137         scsipi_adapter_delref(&spc->sc_adapter);
 138         sc->sc_state = SPC_PCMCIA_ATTACHED;
 139         return;
 140
 141  fail:
 142         pcmcia_function_unconfigure(pf);
 143 }
 144
 145 int
 146 spc_pcmcia_detach(device_t self, int flags)
 147 {
 148         struct spc_pcmcia_softc *sc = device_private(self);
 149         int error;
 150
 151         if (sc->sc_state != SPC_PCMCIA_ATTACHED)
 152                 return 0;
 153
 154         error = spc_detach(self, flags);
 155         if (error)
 156                 return error;
 157
 158         pcmcia_function_unconfigure(sc->sc_pf);
 159
 160         return 0;
 161 }
 162
 163 int
 164 spc_pcmcia_enable(device_t self, int onoff)
 165 {
 166         struct spc_pcmcia_softc *sc = device_private(self);
 167         int error;
 168
 169         if (onoff) {
 170                 /* Establish the interrupt handler. */
 171                 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
 172                     spc_intr, &sc->sc_spc);
 173                 if (!sc->sc_ih)
 174                         return EIO;
 175
 176                 error = pcmcia_function_enable(sc->sc_pf);
 177                 if (error) {
 178                         pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
 179                         sc->sc_ih = 0;
 180                         return error;
 181                 }
 182
 183                 /* Initialize only chip.  */
 184                 spc_init(&sc->sc_spc, 0);
 185         } else {
 186                 pcmcia_function_disable(sc->sc_pf);
 187                 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
 188                 sc->sc_ih = 0;
 189         }
 190
 191         return 0;
 192 }