sys/arch/hpcmips/tx/txioman.c

   1 /*      $NetBSD: txioman.c,v 1.8 2005/12/11 12:17:34 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1999, 2000 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: txioman.c,v 1.8 2005/12/11 12:17:34 christos Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38
  39 #include <machine/bus.h>
  40 #include <hpcmips/tx/tx39var.h>
  41
  42 #include <dev/hpc/hpciovar.h>
  43
  44 int txioman_match(struct device *, struct cfdata *, void *);
  45 void txioman_attach(struct device *, struct device *, void *);
  46 void txioman_callback(struct device *);
  47 int txioman_print(void *, const char *);
  48 hpcio_chip_t tx_conf_reference_ioman(void *, int);
  49
  50 CFATTACH_DECL(txioman, sizeof(struct device),
  51     txioman_match, txioman_attach, NULL, NULL);
  52
  53 int
  54 txioman_match(struct device *parent, struct cfdata *cf, void *aux)
  55 {
  56         return (1);
  57 }
  58
  59 void
  60 txioman_attach(struct device *parent, struct device *self, void *aux)
  61 {
  62         printf("\n");
  63
  64         config_defer(self, txioman_callback);
  65 }
  66
  67 void
  68 txioman_callback(struct device *self)
  69 {
  70         struct hpcio_attach_args haa;
  71
  72         haa.haa_busname = HPCIO_BUSNAME;
  73         haa.haa_sc = tx_conf_get_tag();
  74         haa.haa_getchip = tx_conf_reference_ioman;
  75         haa.haa_iot = 0; /* not needed for TX */
  76
  77         config_found(self, &haa, txioman_print);
  78 }
  79
  80 int
  81 txioman_print(void *aux, const char *pnp)
  82 {
  83
  84         return (QUIET);
  85 }
  86
  87 void
  88 tx_conf_register_ioman(tx_chipset_tag_t t, struct hpcio_chip *hc)
  89 {
  90         KASSERT(t == tx_conf_get_tag());
  91         KASSERT(hc);
  92
  93         t->tc_iochip[hc->hc_chipid] = hc;
  94 }
  95
  96 hpcio_chip_t
  97 tx_conf_reference_ioman(void *ctx, int iochip)
  98 {
  99         struct tx_chipset_tag *t = tx_conf_get_tag();
 100         KASSERT(iochip >= 0 && iochip < NTXIO_GROUP);
 101
 102         return (t->tc_iochip[iochip]);
 103 }