sys/arch/hpcmips/tx/txsim.c

   1 /*      $NetBSD: txsim.c,v 1.15 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: txsim.c,v 1.15 2005/12/11 12:17:34 christos Exp $");
  34
  35 #include "opt_vr41xx.h"
  36 #include "opt_tx39xx.h"
  37 /*
  38  * TX System Internal Module.
  39  */
  40
  41 #include <sys/param.h>
  42 #include <sys/systm.h>
  43 #include <sys/device.h>
  44
  45 #include <machine/bus.h>
  46 #include <machine/autoconf.h>
  47 #include <machine/platid.h>
  48 #include <machine/platid_mask.h>
  49
  50 #include <hpcmips/tx/tx39var.h>
  51 #include <hpcmips/tx/txsnd.h>
  52
  53 int     txsim_match(struct device *, struct cfdata *, void *);
  54 void    txsim_attach(struct device *, struct device *, void *);
  55 int     txsim_print(void *, const char*);
  56 int     txsim_search(struct device *, struct cfdata *,
  57                      const int *, void *);
  58
  59 struct txsim_softc {
  60         struct  device sc_dev;
  61         int sc_pri; /* attaching device priority */
  62 };
  63
  64 CFATTACH_DECL(txsim, sizeof(struct txsim_softc),
  65     txsim_match, txsim_attach, NULL, NULL);
  66
  67 int
  68 txsim_match(struct device *parent, struct cfdata *match, void *aux)
  69 {
  70         struct mainbus_attach_args *ma = aux;
  71
  72 #ifdef VR41XX
  73         if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
  74           return (0);
  75 #endif /* VR41XX */
  76         if (strcmp(ma->ma_name, match->cf_name))
  77                 return (0);
  78
  79         return (1);
  80 }
  81
  82 void
  83 txsim_attach(struct device *parent, struct device *self, void *aux)
  84 {
  85         struct txsim_softc *sc = (void*)self;
  86
  87         printf("\n");
  88
  89         tx_sound_init(tx_conf_get_tag());
  90         /*
  91          * interrupt, clock module is used by other system module.
  92          * so attach first.
  93          */
  94         sc->sc_pri = ATTACH_FIRST;
  95         config_search_ia(txsim_search, self, "txsim", txsim_print);
  96         /*
  97          * unified I/O manager requires all I/O capable module already
  98          * attached.
  99          */
 100         sc->sc_pri = ATTACH_NORMAL;
 101         config_search_ia(txsim_search, self, "txsim", txsim_print);
 102         /*
 103          * UART module uses platform dependent config_hooks.
 104          */
 105         sc->sc_pri = ATTACH_LAST;
 106         config_search_ia(txsim_search, self, "txsim", txsim_print);
 107 }
 108
 109 int
 110 txsim_print(void *aux, const char *pnp)
 111 {
 112         return (pnp ? QUIET : UNCONF);
 113 }
 114
 115 int
 116 txsim_search(struct device *parent, struct cfdata *cf,
 117              const int *ldesc, void *aux)
 118 {
 119         struct txsim_softc *sc = (void*)parent;
 120         struct txsim_attach_args ta;
 121
 122         ta.ta_tc = tx_conf_get_tag();
 123
 124         if (config_match(parent, cf, &ta) == sc->sc_pri)
 125                 config_attach(parent, cf, &ta, txsim_print);
 126
 127         return (0);
 128 }