hpcioman.c

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    1 /*      $NetBSD: hpcioman.c,v 1.16 2008/04/28 20:23:48 martin 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  *
   19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __KERNEL_RCSID(0, "$NetBSD: hpcioman.c,v 1.16 2008/04/28 20:23:48 martin Exp $");
   34 
   35 #include <sys/param.h>
   36 #include <sys/systm.h>
   37 #include <sys/device.h>
   38 
   39 #include <machine/config_hook.h>
   40 #include <machine/platid.h>
   41 #include <machine/platid_mask.h>
   42 
   43 #include <sys/bus.h>
   44 #include <dev/hpc/hpciovar.h>
   45 #include <dev/hpc/hpciomanvar.h>
   46 
   47 #include "locators.h"
   48 
   49 int     hpcioman_match(struct device *, struct cfdata *, void *);
   50 void    hpcioman_attach(struct device *, struct device *, void *);
   51 int     hpcioman_print(void *, const char *);
   52 int     hpcioman_search(struct device *, struct cfdata *,
   53                         const int *, void *);
   54 
   55 struct hpcioman_softc {
   56         struct device sc_dev;
   57 };
   58 
   59 CFATTACH_DECL(hpcioman, sizeof(struct hpcioman_softc),
   60     hpcioman_match, hpcioman_attach, NULL, NULL);
   61 
   62 int
   63 hpcioman_match(struct device *parent, struct cfdata *cf, void *aux)
   64 {
   65         struct hpcio_attach_args *haa = aux;
   66         platid_mask_t mask;
   67 
   68         if (strcmp(haa->haa_busname, HPCIO_BUSNAME))
   69                 return (0);
   70         /* select platform */
   71         mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]);
   72 
   73         return (platid_match(&platid, &mask));
   74 }
   75 
   76 void
   77 hpcioman_attach(struct device *parent, struct device *self, void *aux)
   78 {
   79         printf("\n");
   80 
   81         config_search_ia(hpcioman_search, self, "hpcioman", aux);
   82 }
   83 
   84 int
   85 hpcioman_search(struct device *parent, struct cfdata *cf,
   86                 const int *ldesc, void *aux)
   87 {
   88         //struct hpcioman_softc *sc = (struct hpcioman_softc *)parent;
   89         struct hpcio_attach_args *haa = aux;
   90         struct hpcioman_attach_args hma;
   91 
   92         /* get io chip */
   93         hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip);
   94 
   95         /* interrupt mode */
   96         if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) {
   97                 switch (cf->cf_hold) {
   98                 case 1:
   99                         hma.hma_intr_mode = HPCIO_INTR_HOLD;
  100                         break;
  101                 case 0:
  102                 case HPCIOMANCF_HOLD_DEFAULT:
  103                 default:
  104                         hma.hma_intr_mode = HPCIO_INTR_THROUGH;
  105                         break;
  106                 }
  107                 hma.hma_intr_mode |= HPCIO_INTR_LEVEL;
  108                 if (cf->cf_level == 0)
  109                         hma.hma_intr_mode |= HPCIO_INTR_LOW;
  110                 else
  111                         hma.hma_intr_mode |= HPCIO_INTR_HIGH;
  112         } else {
  113                 switch (cf->cf_hold) {
  114                 case 0:
  115                         hma.hma_intr_mode = HPCIO_INTR_THROUGH;
  116                         break;
  117                 case 1:
  118                 case HPCIOMANCF_HOLD_DEFAULT:
  119                 default:
  120                         hma.hma_intr_mode = HPCIO_INTR_HOLD;
  121                         break;
  122                 }
  123                 hma.hma_intr_mode |= HPCIO_INTR_EDGE;
  124                 switch (cf->cf_edge) {
  125                 case 1:
  126                         hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
  127                         break;
  128                 case 2:
  129                         hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
  130                         break;
  131                 case 0:
  132                 case 3:
  133                 case HPCIOMANCF_EDGE_DEFAULT:
  134                         hma.hma_intr_mode |= HPCIO_INTR_POSEDGE;
  135                         hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE;
  136                         break;
  137                 default:
  138                         printf("%s(%d): invalid configuration, edge=%d",
  139                             __FILE__, __LINE__, cf->cf_edge);
  140                         break;
  141                 }
  142         }
  143 
  144         hma.hma_type = cf->cf_type;
  145         hma.hma_id = cf->cf_id;
  146         hma.hma_port = cf->cf_port;
  147         if (cf->cf_active == 0) {
  148                 hma.hma_on = 0;
  149                 hma.hma_off = 1;
  150         } else {
  151                 hma.hma_on = 1;
  152                 hma.hma_off = 0;
  153         }
  154         hma.hma_initvalue = -1; /* none */
  155         if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) {
  156                 if (cf->cf_initvalue == 0)
  157                         hma.hma_initvalue = hma.hma_off;
  158                 else
  159                         hma.hma_initvalue = hma.hma_on;
  160         }
  161         hma.hma_connect = cf->cf_connect;
  162 
  163         config_attach(parent, cf, &hma, hpcioman_print);
  164 
  165         return (0);
  166 }
  167 
  168 int
  169 hpcioman_print(void *aux, const char *pnp)
  170 {
  171         struct hpcioman_attach_args *hma = aux;
  172         int type = hma->hma_type;
  173 
  174         if (!pnp)  {
  175                 aprint_normal(" iochip %s, port %d, type %d, id %d",
  176                     hma->hma_hc ? hma->hma_hc->hc_name : "not found",
  177                     hma->hma_port, type, hma->hma_id);
  178                 if (type == CONFIG_HOOK_BUTTONEVENT ||
  179                     type == CONFIG_HOOK_PMEVENT ||
  180                     type == CONFIG_HOOK_EVENT ||
  181                     type == CONFIG_HOOK_PCIINTR) {
  182                         if (hma->hma_intr_mode & HPCIO_INTR_EDGE)
  183                                 aprint_normal (", interrupt edge [%s%s]",
  184                                     (hma->hma_intr_mode&HPCIO_INTR_POSEDGE)
  185                                     ? "p" : "",
  186                                     (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE)
  187                                     ? "n" : "");
  188                         else
  189                                 aprint_normal (", interrupt level %s",
  190                                     (hma->hma_intr_mode&HPCIO_INTR_HIGH) ?
  191                                     "high" : "low");
  192                 }
  193                 if (hma->hma_initvalue != -1)
  194                         aprint_normal(", initial value %d", hma->hma_initvalue);
  195                 if (hma->hma_on == 0)
  196                         aprint_normal(", active low");
  197         }
  198 
  199         return (QUIET);
  200 }

Cache object: 6f790afeaa1817a10c67d2557f55ddcb

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

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sys/dev/hpc/hpcioman.c