sys/dev/hpc/hpcioman.c

   1 /*      $NetBSD: hpcioman.c,v 1.17 2009/05/12 12:13:49 cegger 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 1.17 2009/05/12 12:13:49 cegger 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(device_t, cfdata_t, void *);
  50 void    hpcioman_attach(device_t, device_t, void *);
  51 int     hpcioman_print(void *, const char *);
  52 int     hpcioman_search(device_t, cfdata_t,
  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(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux)
  78 {
  79         printf("\n");
  80
  81         config_search_ia(hpcioman_search, self, "hpcioman", aux);
  82 }
  83
  84 int
  85 hpcioman_search(device_t parent, cfdata_t 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 }