nsp_pccard.c

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    1 /*      $NecBSD: nsp_pisa.c,v 1.4 1999/04/15 01:35:54 kmatsuda Exp $    */
    2 /*      $NetBSD$        */
    3 
    4 /*-
    5  * [Ported for FreeBSD]
    6  *  Copyright (c) 2000
    7  *      Noriaki Mitsunaga, Mitsuru Iwasaki and Takanori Watanabe.
    8  *      All rights reserved.
    9  * [NetBSD for NEC PC-98 series]
   10  *  Copyright (c) 1998
   11  *      NetBSD/pc98 porting staff. All rights reserved.
   12  * 
   13  *  Redistribution and use in source and binary forms, with or without
   14  *  modification, are permitted provided that the following conditions
   15  *  are met:
   16  *  1. Redistributions of source code must retain the above copyright
   17  *     notice, this list of conditions and the following disclaimer.
   18  *  2. Redistributions in binary form must reproduce the above copyright
   19  *     notice, this list of conditions and the following disclaimer in the
   20  *     documentation and/or other materials provided with the distribution.
   21  *  3. The name of the author may not be used to endorse or promote products
   22  *     derived from this software without specific prior written permission.
   23  * 
   24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   27  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   32  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   33  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   34  * POSSIBILITY OF SUCH DAMAGE.
   35  */
   36 
   37 #include <sys/cdefs.h>
   38 __FBSDID("$FreeBSD$");
   39 
   40 #include <sys/param.h>
   41 #include <sys/bus.h>
   42 #include <sys/errno.h>
   43 #include <sys/kernel.h>
   44 #include <sys/malloc.h>
   45 #include <sys/systm.h>
   46 
   47 #include <machine/bus.h>
   48 #include <machine/resource.h>
   49 #include <sys/rman.h>
   50 #include <compat/netbsd/dvcfg.h>
   51 
   52 #include <sys/device_port.h>
   53 
   54 #include <dev/pccard/pccardvar.h>
   55 
   56 #include <cam/scsi/scsi_low.h>
   57 #include <cam/scsi/scsi_low_pisa.h>
   58 
   59 #include <dev/nsp/nspreg.h>
   60 #include <dev/nsp/nspvar.h>
   61 
   62 #define NSP_HOSTID      7
   63 
   64 #include "pccarddevs.h"
   65 
   66 #define PIO_MODE 0x100          /* pd_flags */
   67 
   68 static int nspprobe(DEVPORT_PDEVICE devi);
   69 static int nspattach(DEVPORT_PDEVICE devi);
   70 
   71 static  void    nsp_card_unload (DEVPORT_PDEVICE);
   72 
   73 const struct pccard_product nsp_products[] = {
   74         PCMCIA_CARD(IODATA3, CBSC16, 0),
   75         PCMCIA_CARD(PANASONIC, KME, 0),
   76         PCMCIA_CARD(WORKBIT2, NINJA_SCSI3, 0),
   77         PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16, 0),
   78         { NULL }
   79 };
   80 
   81 /*
   82  * Additional code for FreeBSD new-bus PCCard frontend
   83  */
   84 
   85 static void
   86 nsp_pccard_intr(void * arg)
   87 {
   88         nspintr(arg);
   89 }
   90 
   91 static void
   92 nsp_release_resource(DEVPORT_PDEVICE dev)
   93 {
   94         struct nsp_softc        *sc = device_get_softc(dev);
   95 
   96         if (sc->nsp_intrhand) {
   97                 bus_teardown_intr(dev, sc->irq_res, sc->nsp_intrhand);
   98         }
   99 
  100         if (sc->port_res) {
  101                 bus_release_resource(dev, SYS_RES_IOPORT,
  102                                      sc->port_rid, sc->port_res);
  103         }
  104 
  105         if (sc->irq_res) {
  106                 bus_release_resource(dev, SYS_RES_IRQ,
  107                                      sc->irq_rid, sc->irq_res);
  108         }
  109 
  110         if (sc->mem_res) {
  111                 bus_release_resource(dev, SYS_RES_MEMORY,
  112                                      sc->mem_rid, sc->mem_res);
  113         }
  114 }
  115 
  116 static int
  117 nsp_alloc_resource(DEVPORT_PDEVICE dev)
  118 {
  119         struct nsp_softc        *sc = device_get_softc(dev);
  120         u_long                  ioaddr, iosize, maddr, msize;
  121         int                     error;
  122 
  123         error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
  124         if (error || iosize < NSP_IOSIZE)
  125                 return(ENOMEM);
  126 
  127         sc->port_rid = 0;
  128         sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
  129                                           0, ~0, NSP_IOSIZE, RF_ACTIVE);
  130         if (sc->port_res == NULL) {
  131                 nsp_release_resource(dev);
  132                 return(ENOMEM);
  133         }
  134 
  135         sc->irq_rid = 0;
  136         sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
  137                                              RF_ACTIVE);
  138         if (sc->irq_res == NULL) {
  139                 nsp_release_resource(dev);
  140                 return(ENOMEM);
  141         }
  142 
  143         error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
  144         if (error) {
  145                 return(0);      /* XXX */
  146         }
  147 
  148         /* No need to allocate memory if not configured and it's in PIO mode */
  149         if (maddr == 0 || msize == 0) {
  150                 if ((DEVPORT_PDEVFLAGS(dev) & PIO_MODE) == 0) {
  151                         printf("Memory window was not configured. Configure or use in PIO mode.");
  152                         nsp_release_resource(dev);
  153                         return(ENOMEM);
  154                 }
  155                 /* no need to allocate memory if PIO mode */
  156                 return(0);
  157         }
  158 
  159         sc->mem_rid = 0;
  160         sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
  161                                              RF_ACTIVE);
  162         if (sc->mem_res == NULL) {
  163                 nsp_release_resource(dev);
  164                 return(ENOMEM);
  165         }
  166 
  167         return(0);
  168 }
  169 
  170 static int nsp_pccard_match(device_t dev)
  171 {
  172         const struct pccard_product *pp;
  173 
  174         if ((pp = pccard_product_lookup(dev, nsp_products,
  175             sizeof(nsp_products[0]), NULL)) != NULL) {
  176                 device_set_desc(dev, pp->pp_name);
  177                 return(0);
  178         }
  179         return(EIO);
  180 }
  181 
  182 static int
  183 nsp_pccard_probe(DEVPORT_PDEVICE dev)
  184 {
  185         struct nsp_softc        *sc = device_get_softc(dev);
  186         int                     error;
  187 
  188         bzero(sc, sizeof(struct nsp_softc));
  189 
  190         error = nsp_alloc_resource(dev);
  191         if (error) {
  192                 return(error);
  193         }
  194 
  195         if (nspprobe(dev) == 0) {
  196                 nsp_release_resource(dev);
  197                 return(ENXIO);
  198         }
  199 
  200         nsp_release_resource(dev);
  201 
  202         return(0);
  203 }
  204 
  205 static int
  206 nsp_pccard_attach(DEVPORT_PDEVICE dev)
  207 {
  208         struct nsp_softc        *sc = device_get_softc(dev);
  209         int                     error;
  210 
  211         error = nsp_alloc_resource(dev);
  212         if (error) {
  213                 return(error);
  214         }
  215 
  216         error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
  217                                nsp_pccard_intr, (void *)sc, &sc->nsp_intrhand);
  218         if (error) {
  219                 nsp_release_resource(dev);
  220                 return(error);
  221         }
  222 
  223         if (nspattach(dev) == 0) {
  224                 nsp_release_resource(dev);
  225                 return(ENXIO);
  226         }
  227 
  228         return(0);
  229 }
  230 
  231 static  void
  232 nsp_pccard_detach(DEVPORT_PDEVICE dev)
  233 {
  234         nsp_card_unload(dev);
  235         nsp_release_resource(dev);
  236 }
  237 
  238 static device_method_t nsp_pccard_methods[] = {
  239         /* Device interface */
  240         DEVMETHOD(device_probe,         pccard_compat_probe),
  241         DEVMETHOD(device_attach,        pccard_compat_attach),
  242         DEVMETHOD(device_detach,        nsp_pccard_detach),
  243 
  244         /* Card interface */
  245         DEVMETHOD(card_compat_match,    nsp_pccard_match),
  246         DEVMETHOD(card_compat_probe,    nsp_pccard_probe),
  247         DEVMETHOD(card_compat_attach,   nsp_pccard_attach),
  248 
  249         { 0, 0 }
  250 };
  251 
  252 static driver_t nsp_pccard_driver = {
  253         "nsp",
  254         nsp_pccard_methods,
  255         sizeof(struct nsp_softc),
  256 };
  257 
  258 static devclass_t nsp_devclass;
  259 
  260 MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
  261 DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0);
  262 
  263 static  void
  264 nsp_card_unload(DEVPORT_PDEVICE devi)
  265 {
  266         struct nsp_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
  267         intrmask_t s;
  268 
  269         printf("%s: unload\n",sc->sc_sclow.sl_xname);
  270         s = splcam();
  271         scsi_low_deactivate((struct scsi_low_softc *)sc);
  272         scsi_low_dettach(&sc->sc_sclow);
  273         splx(s);
  274 }
  275 
  276 static  int
  277 nspprobe(DEVPORT_PDEVICE devi)
  278 {
  279         int rv;
  280         struct nsp_softc *sc = device_get_softc(devi);
  281 
  282         rv = nspprobesubr(rman_get_bustag(sc->port_res),
  283                           rman_get_bushandle(sc->port_res),
  284                           DEVPORT_PDEVFLAGS(devi));
  285 
  286         return rv;
  287 }
  288 
  289 static  int
  290 nspattach(DEVPORT_PDEVICE devi)
  291 {
  292         struct nsp_softc *sc;
  293         struct scsi_low_softc *slp;
  294         u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
  295         u_int   iobase = DEVPORT_PDEVIOBASE(devi);
  296         intrmask_t s;
  297         char    dvname[16];
  298 
  299         strcpy(dvname,"nsp");
  300 
  301         if (iobase == 0)
  302         {
  303                 printf("%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         if(sc->mem_res == NULL){
  318           printf("WARNING: CANNOT GET Memory RESOURCE going PIO mode");
  319           flags |= PIO_MODE;
  320         }
  321 
  322         if((flags & PIO_MODE) == 0) {
  323                 sc->sc_memt = rman_get_bustag(sc->mem_res);
  324                 sc->sc_memh = rman_get_bushandle(sc->mem_res);
  325         } else {
  326                 sc->sc_memh = 0;
  327         }
  328         /* slp->sl_irq = devi->pd_irq; */
  329         sc->sc_iclkdiv = CLKDIVR_20M;
  330         sc->sc_clkdiv = CLKDIVR_40M;
  331 
  332         slp->sl_hostid = NSP_HOSTID;
  333         slp->sl_cfgflags = flags;
  334 
  335         s = splcam();
  336         nspattachsubr(sc);
  337         splx(s);
  338 
  339         return(NSP_IOSIZE);
  340 }
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FreeBSD/Linux Kernel Cross Reference sys/dev/nsp/nsp_pccard.c

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sys/dev/nsp/nsp_pccard.c
