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),
   75         PCMCIA_CARD(PANASONIC, KME),
   76         PCMCIA_CARD(WORKBIT2, NINJA_SCSI3),
   77         PCMCIA_CARD(WORKBIT, ULTRA_NINJA_16),
   78         { NULL }
   79 };
   80 
   81 /*
   82  * Additional code for FreeBSD new-bus PC Card 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(device_t 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         if (sc->port_res)
   99                 bus_release_resource(dev, SYS_RES_IOPORT,
  100                                      sc->port_rid, sc->port_res);
  101         if (sc->irq_res)
  102                 bus_release_resource(dev, SYS_RES_IRQ,
  103                                      sc->irq_rid, sc->irq_res);
  104         if (sc->mem_res)
  105                 bus_release_resource(dev, SYS_RES_MEMORY,
  106                                      sc->mem_rid, sc->mem_res);
  107 }
  108 
  109 static int
  110 nsp_alloc_resource(device_t dev)
  111 {
  112         struct nsp_softc        *sc = device_get_softc(dev);
  113         u_long                  ioaddr, iosize, maddr, msize;
  114         int                     error;
  115 
  116         error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &ioaddr, &iosize);
  117         if (error || iosize < NSP_IOSIZE)
  118                 return(ENOMEM);
  119 
  120         sc->port_rid = 0;
  121         sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
  122                                           0, ~0, NSP_IOSIZE, RF_ACTIVE);
  123         if (sc->port_res == NULL) {
  124                 nsp_release_resource(dev);
  125                 return(ENOMEM);
  126         }
  127 
  128         sc->irq_rid = 0;
  129         sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
  130                                              RF_ACTIVE);
  131         if (sc->irq_res == NULL) {
  132                 nsp_release_resource(dev);
  133                 return(ENOMEM);
  134         }
  135 
  136         error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &maddr, &msize);
  137         if (error)
  138                 return(0);      /* XXX */
  139 
  140         /* No need to allocate memory if not configured and it's in PIO mode */
  141         if (maddr == 0 || msize == 0) {
  142                 if ((DEVPORT_PDEVFLAGS(dev) & PIO_MODE) == 0) {
  143                         printf("Memory window was not configured. Configure or use in PIO mode.");
  144                         nsp_release_resource(dev);
  145                         return(ENOMEM);
  146                 }
  147                 /* no need to allocate memory if PIO mode */
  148                 return(0);
  149         }
  150 
  151         sc->mem_rid = 0;
  152         sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
  153                                              RF_ACTIVE);
  154         if (sc->mem_res == NULL) {
  155                 nsp_release_resource(dev);
  156                 return(ENOMEM);
  157         }
  158 
  159         return(0);
  160 }
  161 
  162 static int
  163 nsp_pccard_probe(device_t dev)
  164 {
  165         const struct pccard_product *pp;
  166 
  167         if ((pp = pccard_product_lookup(dev, nsp_products,
  168             sizeof(nsp_products[0]), NULL)) != NULL) {
  169                 if (pp->pp_name)
  170                         device_set_desc(dev, pp->pp_name);
  171                 return(0);
  172         }
  173         return(EIO);
  174 }
  175 
  176 static int
  177 nsp_pccard_attach(device_t dev)
  178 {
  179         struct nsp_softc        *sc = device_get_softc(dev);
  180         int                     error;
  181 
  182         error = nsp_alloc_resource(dev);
  183         if (error)
  184                 return(error);
  185         if (nspprobe(dev) == 0) {
  186                 nsp_release_resource(dev);
  187                 return(ENXIO);
  188         }
  189         error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_CAM | INTR_ENTROPY,
  190                                NULL, nsp_pccard_intr, (void *)sc, &sc->nsp_intrhand);
  191         if (error) {
  192                 nsp_release_resource(dev);
  193                 return(error);
  194         }
  195         if (nspattach(dev) == 0) {
  196                 nsp_release_resource(dev);
  197                 return(ENXIO);
  198         }
  199 
  200         return(0);
  201 }
  202 
  203 static void
  204 nsp_pccard_detach(device_t dev)
  205 {
  206         nsp_card_unload(dev);
  207         nsp_release_resource(dev);
  208 }
  209 
  210 static device_method_t nsp_pccard_methods[] = {
  211         /* Device interface */
  212         DEVMETHOD(device_probe,         nsp_pccard_probe),
  213         DEVMETHOD(device_attach,        nsp_pccard_attach),
  214         DEVMETHOD(device_detach,        nsp_pccard_detach),
  215         { 0, 0 }
  216 };
  217 
  218 static driver_t nsp_pccard_driver = {
  219         "nsp",
  220         nsp_pccard_methods,
  221         sizeof(struct nsp_softc),
  222 };
  223 
  224 static devclass_t nsp_devclass;
  225 
  226 MODULE_DEPEND(nsp, scsi_low, 1, 1, 1);
  227 DRIVER_MODULE(nsp, pccard, nsp_pccard_driver, nsp_devclass, 0, 0);
  228 
  229 static void
  230 nsp_card_unload(DEVPORT_PDEVICE devi)
  231 {
  232         struct nsp_softc *sc = DEVPORT_PDEVGET_SOFTC(devi);
  233         intrmask_t s;
  234 
  235         s = splcam();
  236         scsi_low_deactivate((struct scsi_low_softc *)sc);
  237         scsi_low_dettach(&sc->sc_sclow);
  238         splx(s);
  239 }
  240 
  241 static  int
  242 nspprobe(DEVPORT_PDEVICE devi)
  243 {
  244         int rv;
  245         struct nsp_softc *sc = device_get_softc(devi);
  246 
  247         rv = nspprobesubr(rman_get_bustag(sc->port_res),
  248                           rman_get_bushandle(sc->port_res),
  249                           DEVPORT_PDEVFLAGS(devi));
  250 
  251         return rv;
  252 }
  253 
  254 static  int
  255 nspattach(DEVPORT_PDEVICE devi)
  256 {
  257         struct nsp_softc *sc;
  258         struct scsi_low_softc *slp;
  259         u_int32_t flags = DEVPORT_PDEVFLAGS(devi);
  260         u_int   iobase = DEVPORT_PDEVIOBASE(devi);
  261         intrmask_t s;
  262         char    dvname[16];
  263 
  264         strcpy(dvname,"nsp");
  265 
  266         if (iobase == 0) {
  267                 printf("%s: no ioaddr is given\n", dvname);
  268                 return (0);
  269         }
  270 
  271         sc = DEVPORT_PDEVALLOC_SOFTC(devi);
  272         if (sc == NULL)
  273                 return (0);
  274 
  275         slp = &sc->sc_sclow;
  276         slp->sl_dev = devi;
  277         sc->sc_iot = rman_get_bustag(sc->port_res);
  278         sc->sc_ioh = rman_get_bushandle(sc->port_res);
  279 
  280         if (sc->mem_res == NULL) {
  281                 printf("WARNING: CANNOT GET Memory RESOURCE going PIO mode");
  282                 flags |= PIO_MODE;
  283         }
  284 
  285         if ((flags & PIO_MODE) == 0) {
  286                 sc->sc_memt = rman_get_bustag(sc->mem_res);
  287                 sc->sc_memh = rman_get_bushandle(sc->mem_res);
  288         } else {
  289                 sc->sc_memh = 0;
  290         }
  291         /* slp->sl_irq = devi->pd_irq; */
  292         sc->sc_iclkdiv = CLKDIVR_20M;
  293         sc->sc_clkdiv = CLKDIVR_40M;
  294 
  295         slp->sl_hostid = NSP_HOSTID;
  296         slp->sl_cfgflags = flags;
  297 
  298         s = splcam();
  299         nspattachsubr(sc);
  300         splx(s);
  301 
  302         return(NSP_IOSIZE);
  303 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/nsp/nsp_pccard.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/nsp/nsp_pccard.c