sys/dev/disk/stg/tmc18c30_pccard.c

   1 /*      $FreeBSD: src/sys/dev/stg/tmc18c30_pccard.c,v 1.2.2.6 2001/12/17 13:30:19 non Exp $     */
   2 /*      $DragonFly: src/sys/dev/disk/stg/tmc18c30_pccard.c,v 1.13 2007/05/17 21:08:49 dillon Exp $      */
   3 /*      $NecBSD: tmc18c30_pisa.c,v 1.22 1998/11/26 01:59:21 honda Exp $ */
   4 /*      $NetBSD$        */
   5
   6 /*
   7  * [Ported for FreeBSD]
   8  *  Copyright (c) 2000
   9  *      Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
  10  *      All rights reserved.
  11  * [NetBSD for NEC PC-98 series]
  12  *  Copyright (c) 1996, 1997, 1998
  13  *      NetBSD/pc98 porting staff. All rights reserved.
  14  *  Copyright (c) 1996, 1997, 1998
  15  *      Naofumi HONDA. All rights reserved.
  16  *  Copyright (c) 1996, 1997, 1998
  17  *      Kouichi Matsuda. All rights reserved.
  18  *
  19  *  Redistribution and use in source and binary forms, with or without
  20  *  modification, are permitted provided that the following conditions
  21  *  are met:
  22  *  1. Redistributions of source code must retain the above copyright
  23  *     notice, this list of conditions and the following disclaimer.
  24  *  2. Redistributions in binary form must reproduce the above copyright
  25  *     notice, this list of conditions and the following disclaimer in the
  26  *     documentation and/or other materials provided with the distribution.
  27  *  3. The name of the author may not be used to endorse or promote products
  28  *     derived from this software without specific prior written permission.
  29  *
  30  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  31  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  32  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  33  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  34  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  35  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  36  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  38  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  39  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  40  * POSSIBILITY OF SUCH DAMAGE.
  41  */
  42
  43 #include <sys/param.h>
  44 #include <sys/systm.h>
  45 #include <sys/buf.h>
  46 #include <sys/bus.h>
  47 #include <sys/queue.h>
  48 #include <sys/malloc.h>
  49 #include <sys/errno.h>
  50 #include <sys/thread2.h>
  51
  52 #include <vm/vm.h>
  53
  54 #include <sys/device_port.h>
  55
  56 #include <bus/pccard/pccarddevs.h>
  57 #include <bus/pccard/pccardvar.h>
  58
  59 #include <bus/cam/scsi/scsi_low.h>
  60 #include <bus/cam/scsi/scsi_low_pisa.h>
  61
  62 #include "tmc18c30reg.h"
  63 #include "tmc18c30var.h"
  64
  65 #define STG_HOSTID      7
  66
  67 #include        <sys/kernel.h>
  68 #include        <sys/module.h>
  69 #include        <bus/pccard/cardinfo.h>
  70 #include        <bus/pccard/slot.h>
  71
  72 static const struct pccard_product stg_products[] = {
  73         PCMCIA_CARD(FUTUREDOMAIN, SCSI2GO, 0),
  74         PCMCIA_CARD(IBM, SCSICARD, 0),
  75         PCMCIA_CARD(RATOC, REX5536, 0),
  76         PCMCIA_CARD(RATOC, REX5536AM, 0),
  77         PCMCIA_CARD(RATOC, REX5536M, 0),
  78         { NULL }
  79 };
  80
  81 static  int     stgprobe(DEVPORT_PDEVICE devi);
  82 static  int     stgattach(DEVPORT_PDEVICE devi);
  83
  84 static  void    stg_card_unload (DEVPORT_PDEVICE);
  85
  86 /*
  87  * Additional code for FreeBSD new-bus PCCard frontend
  88  */
  89
  90 static int stg_pccard_match(device_t dev)
  91 {
  92         const struct pccard_product *pp;
  93
  94         if ((pp = pccard_product_lookup(dev, stg_products,
  95             sizeof(stg_products[0]), NULL)) != NULL) {
  96                 if (pp->pp_name != NULL)
  97                         device_set_desc(dev, pp->pp_name);
  98                 return(0);
  99         }
 100         return(EIO);
 101 }
 102
 103 static void
 104 stg_pccard_intr(void * arg)
 105 {
 106         stgintr(arg);
 107 }
 108
 109 static void
 110 stg_release_resource(DEVPORT_PDEVICE dev)
 111 {
 112         struct stg_softc        *sc = device_get_softc(dev);
 113
 114         if (sc->stg_intrhand) {
 115                 bus_teardown_intr(dev, sc->irq_res, sc->stg_intrhand);
 116         }
 117
 118         if (sc->port_res) {
 119                 bus_release_resource(dev, SYS_RES_IOPORT,
 120                                      sc->port_rid, sc->port_res);
 121         }
 122
 123         if (sc->irq_res) {
 124                 bus_release_resource(dev, SYS_RES_IRQ,
 125                                      sc->irq_rid, sc->irq_res);
 126         }
 127
 128         if (sc->mem_res) {
 129                 bus_release_resource(dev, SYS_RES_MEMORY,
 130                                      sc->mem_rid, sc->mem_res);
 131         }
 132 }
 133
 134 static int
 135 stg_alloc_resource(DEVPORT_PDEVICE dev)
 136 {
 137         struct stg_softc        *sc = device_get_softc(dev);
 138         u_long                  ioaddr, iosize, maddr, msize;
 139         int                     error;
 140
 141         error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
 142         if (error || iosize < STGIOSZ) {
 143                 return(ENOMEM);
 144         }
 145
 146         sc->port_rid = 0;
 147         sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
 148                                           0, ~0, STGIOSZ, RF_ACTIVE);
 149         if (sc->port_res == NULL) {
 150                 stg_release_resource(dev);
 151                 return(ENOMEM);
 152         }
 153
 154         sc->irq_rid = 0;
 155         sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
 156                                          0, ~0, 1, RF_ACTIVE);
 157         if (sc->irq_res == NULL) {
 158                 stg_release_resource(dev);
 159                 return(ENOMEM);
 160         }
 161
 162         error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
 163         if (error) {
 164                 return(0);      /* XXX */
 165         }
 166
 167         /* no need to allocate memory if not configured */
 168         if (maddr == 0 || msize == 0) {
 169                 return(0);
 170         }
 171
 172         sc->mem_rid = 0;
 173         sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
 174                                          0, ~0, 1, RF_ACTIVE);
 175         if (sc->mem_res == NULL) {
 176                 stg_release_resource(dev);
 177                 return(ENOMEM);
 178         }
 179
 180         return(0);
 181 }
 182
 183 static int
 184 stg_pccard_probe(DEVPORT_PDEVICE dev)
 185 {
 186         struct stg_softc        *sc = device_get_softc(dev);
 187         int                     error;
 188
 189         bzero(sc, sizeof(struct stg_softc));
 190
 191         error = stg_alloc_resource(dev);
 192         if (error) {
 193                 return(error);
 194         }
 195
 196         if (stgprobe(dev) == 0) {
 197                 stg_release_resource(dev);
 198                 return(ENXIO);
 199         }
 200
 201         stg_release_resource(dev);
 202
 203         return(0);
 204 }
 205
 206 static int
 207 stg_pccard_attach(DEVPORT_PDEVICE dev)
 208 {
 209         struct stg_softc        *sc = device_get_softc(dev);
 210         int                     error;
 211
 212         error = stg_alloc_resource(dev);
 213         if (error) {
 214                 return(error);
 215         }
 216
 217         error = bus_setup_intr(dev, sc->irq_res, 0,
 218                                stg_pccard_intr, (void *)sc,
 219                                &sc->stg_intrhand, NULL);
 220         if (error) {
 221                 stg_release_resource(dev);
 222                 return(error);
 223         }
 224
 225         if (stgattach(dev) == 0) {
 226                 stg_release_resource(dev);
 227                 return(ENXIO);
 228         }
 229
 230         return(0);
 231 }
 232
 233 static  void
 234 stg_pccard_detach(DEVPORT_PDEVICE dev)
 235 {
 236         stg_card_unload(dev);
 237         stg_release_resource(dev);
 238 }
 239
 240 static device_method_t stg_pccard_methods[] = {
 241         /* Device interface */
 242         DEVMETHOD(device_probe,         pccard_compat_probe),
 243         DEVMETHOD(device_attach,        pccard_compat_attach),
 244         DEVMETHOD(device_detach,        stg_pccard_detach),
 245
 246         /* Card interface */
 247         DEVMETHOD(card_compat_match,    stg_pccard_match),
 248         DEVMETHOD(card_compat_probe,    stg_pccard_probe),
 249         DEVMETHOD(card_compat_attach,   stg_pccard_attach),
 250
 251         { 0, 0 }
 252 };
 253
 254 static driver_t stg_pccard_driver = {
 255         "stg",
 256         stg_pccard_methods,
 257         sizeof(struct stg_softc),
 258 };
 259
 260 static devclass_t stg_devclass;
 261
 262 MODULE_DEPEND(stg, scsi_low, 1, 1, 1);
 263 DRIVER_MODULE(stg, pccard, stg_pccard_driver, stg_devclass, 0, 0);
 264
 265 static  void
 266 stg_card_unload(DEVPORT_PDEVICE devi)
 267 {
 268         struct stg_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
 269
 270         kprintf("%s: unload\n",sc->sc_sclow.sl_xname);
 271         crit_enter();
 272         scsi_low_deactivate((struct scsi_low_softc *)sc);
 273         scsi_low_dettach(&sc->sc_sclow);
 274         crit_exit();
 275 }
 276
 277 static  int
 278 stgprobe(DEVPORT_PDEVICE devi)
 279 {
 280         int rv;
 281         struct stg_softc *sc = device_get_softc(devi);
 282
 283         rv = stgprobesubr(rman_get_bustag(sc->port_res),
 284                           rman_get_bushandle(sc->port_res),
 285                           DEVPORT_PDEVFLAGS(devi));
 286
 287         return rv;
 288 }
 289
 290 static  int
 291 stgattach(DEVPORT_PDEVICE devi)
 292 {
 293         struct stg_softc *sc;
 294         struct scsi_low_softc *slp;
 295         u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
 296         u_int iobase = DEVPORT_PDEVIOBASE(devi);
 297         char    dvname[16];
 298
 299         strcpy(dvname,"stg");
 300
 301         if (iobase == 0)
 302         {
 303                 kprintf("%s: no ioaddr is given\n", dvname);
 304                 return (0);
 305         }
 306
 307         sc = DEVPORT_PDEVALLOC_SOFTC(devi);
 308         if (sc == NULL) {
 309                 return(0);
 310         }
 311
 312         slp = &sc->sc_sclow;
 313         slp->sl_dev = devi;
 314         sc->sc_iot = rman_get_bustag(sc->port_res);
 315         sc->sc_ioh = rman_get_bushandle(sc->port_res);
 316
 317         slp->sl_hostid = STG_HOSTID;
 318         slp->sl_cfgflags = flags;
 319
 320         crit_enter();
 321         stgattachsubr(sc);
 322         crit_exit();
 323
 324         return(STGIOSZ);
 325 }