hpcioman.c

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    1 /*      $NetBSD: hpcioman.c,v 1.10 2003/01/01 00:19:31 thorpej Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 1999-2001 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by UCHIYAMA Yasushi.
    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  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 #include <sys/cdefs.h>
   40 __KERNEL_RCSID(0, "$NetBSD: hpcioman.c,v 1.10 2003/01/01 00:19:31 thorpej Exp $");
   41 
   42 #include <sys/param.h>
   43 #include <sys/systm.h>
   44 #include <sys/device.h>
   45 
   46 #include <machine/config_hook.h>
   47 #include <machine/platid.h>
   48 #include <machine/platid_mask.h>
   49 
   50 #include <machine/bus.h>
   51 #include <dev/hpc/hpciovar.h>
   52 #include <dev/hpc/hpciomanvar.h>
   53 
   54 #include "locators.h"
   55 
   56 int     hpcioman_match(struct device *, struct cfdata *, void *);
   57 void    hpcioman_attach(struct device *, struct device *, void *);
   58 int     hpcioman_print(void *, const char *);
   59 int     hpcioman_search(struct device *, struct cfdata *, void *);
   60 
   61 struct hpcioman_softc {
   62         struct device sc_dev;
   63 };
   64 
   65 CFATTACH_DECL(hpcioman, sizeof(struct hpcioman_softc),
   66     hpcioman_match, hpcioman_attach, NULL, NULL);
   67 
   68 int
   69 hpcioman_match(struct device *parent, struct cfdata *cf, void *aux)
   70 {
   71         struct hpcio_attach_args *haa = aux;
   72         platid_mask_t mask;
   73 
   74         if (strcmp(haa->haa_busname, HPCIO_BUSNAME))
   75                 return (0);
   76         /* select platform */
   77         mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]);
   78 
   79         return (platid_match(&platid, &mask));
   80 }
   81 
   82 void
   83 hpcioman_attach(struct device *parent, struct device *self, void *aux)
   84 {
   85         printf("\n");
   86 
   87         config_search(hpcioman_search, self, aux);
   88 }
   89 
   90 int
   91 hpcioman_search(struct device *parent, struct cfdata *cf, void *aux)
   92 {
   93         //struct hpcioman_softc *sc = (struct hpcioman_softc *)parent;
   94         struct hpcio_attach_args *haa = aux;
   95         struct hpcioman_attach_args hma;
   96 
   97         /* get io chip */
   98         hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip);
   99 
  100         /* interrupt mode */
  101         if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) {
  102                 switch (cf->cf_hold) {
  103                 case 1:
  104                         hma.hma_intr_mode = HPCIO_INTR_HOLD;
  105                         break;
  106                 case 0:
  107                 case HPCIOMANCF_HOLD_DEFAULT:
  108                 default:
  109                         hma.hma_intr_mode = HPCIO_INTR_THROUGH;
  110                         break;
  111                 }
  112                 hma.hma_intr_mode |= HPCIO_INTR_LEVEL;
  113                 if (cf->cf_level == 0)
  114                         hma.hma_intr_mode |= HPCIO_INTR_LOW;
  115                 else
  116                         hma.hma_intr_mode |= HPCIO_INTR_HIGH;
  117         } else {
  118                 switch (cf->cf_hold) {
  119                 case 0:
  120                         hma.hma_intr_mode = HPCIO_INTR_THROUGH;
  121                         break;
  122                 case 1:
  123                 case HPCIOMANCF_HOLD_DEFAULT:
  124                 default:
  125                         hma.hma_intr_mode = HPCIO_INTR_HOLD;
  126                         break;
  127                 }
  128                 hma.hma_intr_mode |= HPCIO_INTR_EDGE;
  129                 switch (cf->cf_edge) {
  130                 case 1:
  131                         hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
  132                         break;
  133                 case 2:
  134                         hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
  135                         break;
  136                 case 0:
  137                 case 3:
  138                 case HPCIOMANCF_EDGE_DEFAULT:
  139                         hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
  140                         hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
  141                         break;
  142                 default:
  143                         printf("%s(%d): invalid configuration, edge=%d",
  144                             __FILE__, __LINE__, cf->cf_edge);
  145                         break;
  146                 }
  147         }
  148 
  149         hma.hma_type = cf->cf_type;
  150         hma.hma_id = cf->cf_id;
  151         hma.hma_port = cf->cf_port;
  152         if (cf->cf_active == 0) {
  153                 hma.hma_on = 0;
  154                 hma.hma_off = 1;
  155         } else {
  156                 hma.hma_on = 1;
  157                 hma.hma_off = 0;
  158         }
  159         hma.hma_initvalue = -1; /* none */
  160         if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) {
  161                 if (cf->cf_initvalue == 0)
  162                         hma.hma_initvalue = hma.hma_off;
  163                 else
  164                         hma.hma_initvalue = hma.hma_on;
  165         }
  166         hma.hma_connect = cf->cf_connect;
  167 
  168         config_attach(parent, cf, &hma, hpcioman_print);
  169 
  170         return (0);
  171 }
  172 
  173 int
  174 hpcioman_print(void *aux, const char *pnp)
  175 {
  176         struct hpcioman_attach_args *hma = aux;
  177         int type = hma->hma_type;
  178 
  179         if (!pnp)  {
  180                 aprint_normal(" iochip %s, port %d, type %d, id %d",
  181                     hma->hma_hc ? hma->hma_hc->hc_name : "not found",
  182                     hma->hma_port, type, hma->hma_id);
  183                 if (type == CONFIG_HOOK_BUTTONEVENT ||
  184                     type == CONFIG_HOOK_PMEVENT || 
  185                     type == CONFIG_HOOK_EVENT ||
  186                     type == CONFIG_HOOK_PCIINTR) {
  187                         if (hma->hma_intr_mode & HPCIO_INTR_EDGE)
  188                                 aprint_normal (", interrupt edge [%s%s]",
  189                                     (hma->hma_intr_mode&HPCIO_INTR_POSEDGE)
  190                                     ? "p" : "",
  191                                     (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE)
  192                                     ? "n" : "");
  193                         else
  194                                 aprint_normal (", interrupt level %s",
  195                                     (hma->hma_intr_mode&HPCIO_INTR_HIGH) ?
  196                                     "high" : "low");
  197                 }
  198                 if (hma->hma_initvalue != -1)
  199                         aprint_normal(", initial value %d", hma->hma_initvalue);
  200                 if (hma->hma_on == 0)
  201                         aprint_normal(", active low");
  202         }
  203         
  204         return (QUIET);
  205 }

Cache object: 7310f3194a00ea0e7d51a7cc7436b279

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FreeBSD/Linux Kernel Cross Reference sys/dev/hpc/hpcioman.c

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sys/dev/hpc/hpcioman.c