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txsim.c revision 1.9 
      1 /*	$NetBSD: txsim.c,v 1.9 2002/09/27 03:17:55 thorpej 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  * 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 "opt_vr41xx.h"
     40 #include "opt_tx39xx.h"
     41 /*
     42  * TX System Internal Module.
     43  */
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/device.h>
     48 
     49 #include <machine/bus.h>
     50 #include <machine/autoconf.h>
     51 #include <machine/platid.h>
     52 #include <machine/platid_mask.h>
     53 
     54 #include <hpcmips/tx/tx39var.h>
     55 #include <hpcmips/tx/txsnd.h>
     56 
     57 int	txsim_match(struct device *, struct cfdata *, void *);
     58 void	txsim_attach(struct device *, struct device *, void *);
     59 int	txsim_print(void *, const char*);
     60 int	txsim_search(struct device *, struct cfdata *, void *);
     61 
     62 struct txsim_softc {
     63 	struct	device sc_dev;
     64 	int sc_pri; /* attaching device priority */
     65 };
     66 
     67 struct cfattach txsim_ca = {
     68 	sizeof(struct txsim_softc), txsim_match, txsim_attach
     69 };
     70 
     71 int
     72 txsim_match(struct device *parent, struct cfdata *match, void *aux)
     73 {
     74 	struct mainbus_attach_args *ma = aux;
     75 
     76 #ifdef VR41XX
     77 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
     78 	  return (0);
     79 #endif /* VR41XX */
     80 	if (strcmp(ma->ma_name, match->cf_name))
     81 		return (0);
     82 
     83 	return (1);
     84 }
     85 
     86 void
     87 txsim_attach(struct device *parent, struct device *self, void *aux)
     88 {
     89 	struct txsim_softc *sc = (void*)self;
     90 
     91 	printf("\n");
     92 
     93 	tx_sound_init(tx_conf_get_tag());
     94 	/*
     95 	 * interrupt, clock module is used by other system module.
     96 	 * so attach first.
     97 	 */
     98 	sc->sc_pri = ATTACH_FIRST;
     99 	config_search(txsim_search, self, txsim_print);
    100 	/*
    101 	 * unified I/O manager requires all I/O capable module already
    102 	 * attached.
    103 	 */
    104 	sc->sc_pri = ATTACH_NORMAL;
    105 	config_search(txsim_search, self, txsim_print);
    106 	/*
    107 	 * UART module uses platform dependent config_hooks.
    108 	 */
    109 	sc->sc_pri = ATTACH_LAST;
    110 	config_search(txsim_search, self, txsim_print);
    111 }
    112 
    113 int
    114 txsim_print(void *aux, const char *pnp)
    115 {
    116 	return (pnp ? QUIET : UNCONF);
    117 }
    118 
    119 int
    120 txsim_search(struct device *parent, struct cfdata *cf, void *aux)
    121 {
    122 	struct txsim_softc *sc = (void*)parent;
    123 	struct txsim_attach_args ta;
    124 
    125 	ta.ta_tc = tx_conf_get_tag();
    126 
    127 	if (config_match(parent, cf, &ta) == sc->sc_pri)
    128 		config_attach(parent, cf, &ta, txsim_print);
    129 
    130 	return (0);
    131 }
    132