sys/dev/disk/nsp/nsp_pccard.c

   1 /*      $FreeBSD: src/sys/dev/nsp/nsp_pccard.c,v 1.2.2.6 2001/12/17 13:30:19 non Exp $  */
   2 /*      $NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda Exp $    */
   3 /*      $NetBSD$        */
   4
   5 /*
   6  * [Ported for FreeBSD]
   7  *  Copyright (c) 2000
   8  *      Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
   9  *      All rights reserved.
  10  * [NetBSD for NEC PC-98 series]
  11  *  Copyright (c) 1998
  12  *      NetBSD/pc98 porting staff. All rights reserved.
  13  *
  14  *  Redistribution and use in source and binary forms, with or without
  15  *  modification, are permitted provided that the following conditions
  16  *  are met:
  17  *  1. Redistributions of source code must retain the above copyright
  18  *     notice, this list of conditions and the following disclaimer.
  19  *  2. Redistributions in binary form must reproduce the above copyright
  20  *     notice, this list of conditions and the following disclaimer in the
  21  *     documentation and/or other materials provided with the distribution.
  22  *  3. The name of the author may not be used to endorse or promote products
  23  *     derived from this software without specific prior written permission.
  24  *
  25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  26  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  27  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  28  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  33  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  34  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  35  * POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #include <sys/param.h>
  39 #include <sys/systm.h>
  40 #include <sys/buf.h>
  41 #include <sys/queue.h>
  42 #include <sys/malloc.h>
  43 #include <sys/errno.h>
  44 #include <sys/bus.h>
  45 #include <sys/thread2.h>
  46
  47 #include <vm/vm.h>
  48
  49 #include <sys/rman.h>
  50 #include <sys/device_port.h>
  51
  52 #include <bus/pccard/pccardvar.h>
  53
  54 #include <bus/cam/scsi/scsi_low.h>
  55 #include <bus/cam/scsi/scsi_low_pisa.h>
  56
  57 #include "pccarddevs.h"
  58
  59 #include "nspreg.h"
  60 #include "nspvar.h"
  61
  62 #define NSP_HOSTID      7
  63
  64 #include        <sys/kernel.h>
  65 #include        <sys/module.h>
  66 #if !defined(__FreeBSD__) || __FreeBSD_version < 500014
  67 #include        <sys/select.h>
  68 #endif
  69
  70 #define PIO_MODE 0x100          /* pd_flags */
  71
  72 static int nspprobe(DEVPORT_PDEVICE devi);
  73 static int nspattach(DEVPORT_PDEVICE devi);
  74
  75 static  void    nsp_card_unload (DEVPORT_PDEVICE);
  76
  77 static const struct pccard_product nsp_products[] = {
  78         PCMCIA_CARD(IODATA3, CBSC16, 0),
  79         PCMCIA_CARD(PANASONIC, KME, 0),
  80         PCMCIA_CARD(WORKBIT2, NINJA_SCSI3, 0),
  81         PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16, 0),
  82         { NULL }
  83 };
  84
  85 /*
  86  * Additional code for FreeBSD new-bus PCCard frontend
  87  */
  88
  89 static void
  90 nsp_pccard_intr(void * arg)
  91 {
  92         nspintr(arg);
  93 }
  94
  95 static void
  96 nsp_release_resource(DEVPORT_PDEVICE dev)
  97 {
  98         struct nsp_softc        *sc = device_get_softc(dev);
  99
 100         if (sc->nsp_intrhand) {
 101                 bus_teardown_intr(dev, sc->irq_res, sc->nsp_intrhand);
 102         }
 103
 104         if (sc->port_res) {
 105                 bus_release_resource(dev, SYS_RES_IOPORT,
 106                                      sc->port_rid, sc->port_res);
 107         }
 108
 109         if (sc->irq_res) {
 110                 bus_release_resource(dev, SYS_RES_IRQ,
 111                                      sc->irq_rid, sc->irq_res);
 112         }
 113
 114         if (sc->mem_res) {
 115                 bus_release_resource(dev, SYS_RES_MEMORY,
 116                                      sc->mem_rid, sc->mem_res);
 117         }
 118 }
 119
 120 static int
 121 nsp_alloc_resource(DEVPORT_PDEVICE dev)
 122 {
 123         struct nsp_softc        *sc = device_get_softc(dev);
 124         u_long                  ioaddr, iosize, maddr, msize;
 125         int                     error;
 126
 127         error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
 128         if (error || iosize < NSP_IOSIZE)
 129                 return(ENOMEM);
 130
 131         sc->port_rid = 0;
 132         sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
 133                                           0, ~0, NSP_IOSIZE, RF_ACTIVE);
 134         if (sc->port_res == NULL) {
 135                 nsp_release_resource(dev);
 136                 return(ENOMEM);
 137         }
 138
 139         sc->irq_rid = 0;
 140         sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
 141                                          0, ~0, 1, RF_ACTIVE);
 142         if (sc->irq_res == NULL) {
 143                 nsp_release_resource(dev);
 144                 return(ENOMEM);
 145         }
 146
 147         error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
 148         if (error) {
 149                 return(0);      /* XXX */
 150         }
 151
 152         /* No need to allocate memory if not configured and it's in PIO mode */
 153         if (maddr == 0 || msize == 0) {
 154                 if ((DEVPORT_PDEVFLAGS(dev) & PIO_MODE) == 0) {
 155                         kprintf("Memory window was not configured. Configure or use in PIO mode.");
 156                         nsp_release_resource(dev);
 157                         return(ENOMEM);
 158                 }
 159                 /* no need to allocate memory if PIO mode */
 160                 return(0);
 161         }
 162
 163         sc->mem_rid = 0;
 164         sc->mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->mem_rid,
 165                                          0, ~0, 1, RF_ACTIVE);
 166         if (sc->mem_res == NULL) {
 167                 nsp_release_resource(dev);
 168                 return(ENOMEM);
 169         }
 170
 171         return(0);
 172 }
 173
 174 static int nsp_pccard_match(device_t dev)
 175 {
 176         const struct pccard_product *pp;
 177
 178         if ((pp = pccard_product_lookup(dev, nsp_products,
 179             sizeof(nsp_products[0]), NULL)) != NULL) {
 180                 device_set_desc(dev, pp->pp_name);
 181                 return (0);
 182         }
 183         return (ENXIO);
 184 }
 185
 186 static int
 187 nsp_pccard_probe(DEVPORT_PDEVICE dev)
 188 {
 189         struct nsp_softc        *sc = device_get_softc(dev);
 190         int                     error;
 191
 192         bzero(sc, sizeof(struct nsp_softc));
 193
 194         error = nsp_alloc_resource(dev);
 195         if (error) {
 196                 return(error);
 197         }
 198
 199         if (nspprobe(dev) == 0) {
 200                 nsp_release_resource(dev);
 201                 return(ENXIO);
 202         }
 203
 204         nsp_release_resource(dev);
 205
 206         return(0);
 207 }
 208
 209 static int
 210 nsp_pccard_attach(DEVPORT_PDEVICE dev)
 211 {
 212         struct nsp_softc        *sc = device_get_softc(dev);
 213         int                     error;
 214
 215         error = nsp_alloc_resource(dev);
 216         if (error) {
 217                 return(error);
 218         }
 219
 220         error = bus_setup_intr(dev, sc->irq_res, 0,
 221                                nsp_pccard_intr, (void *)sc,
 222                                &sc->nsp_intrhand, NULL);
 223         if (error) {
 224                 nsp_release_resource(dev);
 225                 return(error);
 226         }
 227
 228         if (nspattach(dev) == 0) {
 229                 nsp_release_resource(dev);
 230                 return(ENXIO);
 231         }
 232
 233         return(0);
 234 }
 235
 236 static  void
 237 nsp_pccard_detach(DEVPORT_PDEVICE dev)
 238 {
 239         nsp_card_unload(dev);
 240         nsp_release_resource(dev);
 241 }
 242
 243 static device_method_t nsp_pccard_methods[] = {
 244         /* Device interface */
 245         DEVMETHOD(device_probe,         pccard_compat_probe),
 246         DEVMETHOD(device_attach,        pccard_compat_attach),
 247         DEVMETHOD(device_detach,        nsp_pccard_detach),
 248
 249         /* Card interface */
 250         DEVMETHOD(card_compat_match,    nsp_pccard_match),
 251         DEVMETHOD(card_compat_probe,    nsp_pccard_probe),
 252         DEVMETHOD(card_compat_attach,   nsp_pccard_attach),
 253
 254         DEVMETHOD_END
 255 };
 256
 257 static driver_t nsp_pccard_driver = {
 258         "nsp",
 259         nsp_pccard_methods,
 260         sizeof(struct nsp_softc),
 261 };
 262
 263 static devclass_t nsp_devclass;
 264
 265 MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
 266 DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, NULL, NULL);
 267
 268 static  void
 269 nsp_card_unload(DEVPORT_PDEVICE devi)
 270 {
 271         struct nsp_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
 272
 273         kprintf("%s: unload\n",sc->sc_sclow.sl_xname);
 274         crit_enter();
 275         scsi_low_deactivate((struct scsi_low_softc *)sc);
 276         scsi_low_dettach(&sc->sc_sclow);
 277         crit_exit();
 278 }
 279
 280 static  int
 281 nspprobe(DEVPORT_PDEVICE devi)
 282 {
 283         int rv;
 284         struct nsp_softc *sc = device_get_softc(devi);
 285
 286         rv = nspprobesubr(rman_get_bustag(sc->port_res),
 287                           rman_get_bushandle(sc->port_res),
 288                           DEVPORT_PDEVFLAGS(devi));
 289
 290         return rv;
 291 }
 292
 293 static  int
 294 nspattach(DEVPORT_PDEVICE devi)
 295 {
 296         struct nsp_softc *sc;
 297         struct scsi_low_softc *slp;
 298         u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
 299         u_int   iobase = DEVPORT_PDEVIOBASE(devi);
 300         char    dvname[16];
 301
 302         strcpy(dvname,"nsp");
 303
 304         if (iobase == 0)
 305         {
 306                 kprintf("%s: no ioaddr is given\n", dvname);
 307                 return (0);
 308         }
 309
 310         sc = DEVPORT_PDEVALLOC_SOFTC(devi);
 311         if (sc == NULL) {
 312                 return (0);
 313         }
 314
 315         slp = &sc->sc_sclow;
 316         slp->sl_dev = devi;
 317         sc->sc_iot = rman_get_bustag(sc->port_res);
 318         sc->sc_ioh = rman_get_bushandle(sc->port_res);
 319
 320         if((flags & PIO_MODE) == 0) {
 321                 sc->sc_memt = rman_get_bustag(sc->mem_res);
 322                 sc->sc_memh = rman_get_bushandle(sc->mem_res);
 323         } else {
 324                 sc->sc_memh = 0;
 325         }
 326         /* slp->sl_irq = devi->pd_irq; */
 327         sc->sc_iclkdiv = CLKDIVR_20M;
 328         sc->sc_clkdiv = CLKDIVR_40M;
 329
 330         slp->sl_hostid = NSP_HOSTID;
 331         slp->sl_cfgflags = flags;
 332
 333         crit_enter();
 334         nspattachsubr(sc);
 335         crit_exit();
 336
 337         return(NSP_IOSIZE);
 338 }