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txsim.c revision 1.3 
      1 /*	$NetBSD: txsim.c,v 1.3 2000/10/22 10:42:33 uch 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 /*
     40  * TX System Internal Module.
     41  */
     42 #include "opt_tx39_debug.h"
     43 
     44 #include <sys/param.h>
     45 #include <sys/systm.h>
     46 #include <sys/device.h>
     47 
     48 #include <machine/bus.h>
     49 #include <machine/autoconf.h>
     50 
     51 #include <hpcmips/tx/tx39var.h>
     52 #include <hpcmips/tx/txsnd.h>
     53 
     54 int	txsim_match(struct device *, struct cfdata *, void *);
     55 void	txsim_attach(struct device *, struct device *, void *);
     56 int	txsim_print(void *, const char*);
     57 int	txsim_search(struct device *, struct cfdata *, void *);
     58 
     59 struct txsim_softc {
     60 	struct	device sc_dev;
     61 	int sc_pri; /* attaching device priority */
     62 };
     63 
     64 struct cfattach txsim_ca = {
     65 	sizeof(struct txsim_softc), txsim_match, txsim_attach
     66 };
     67 
     68 int
     69 txsim_match(struct device *parent, struct cfdata *match, void *aux)
     70 {
     71 	struct mainbus_attach_args *ma = aux;
     72 
     73 	if (strcmp(ma->ma_name, match->cf_driver->cd_name))
     74 		return 0;
     75 	return 1;
     76 }
     77 
     78 void
     79 txsim_attach(struct device *parent, struct device *self, void *aux)
     80 {
     81 	struct txsim_softc *sc = (void*)self;
     82 
     83 	printf("\n");
     84 
     85 	tx_sound_init(tx_conf_get_tag());
     86 	/*
     87 	 * interrupt, clock module is used by other system module.
     88 	 * so attach first.
     89 	 */
     90 	sc->sc_pri = ATTACH_FIRST;
     91 	config_search(txsim_search, self, txsim_print);
     92 	/*
     93 	 * unified I/O manager requires all I/O capable module already
     94 	 * attached.
     95 	 */
     96 	sc->sc_pri = ATTACH_NORMAL;
     97 	config_search(txsim_search, self, txsim_print);
     98 	/*
     99 	 * UART module uses platform dependent config_hooks.
    100 	 */
    101 	sc->sc_pri = ATTACH_LAST;
    102 	config_search(txsim_search, self, txsim_print);
    103 }
    104 
    105 int
    106 txsim_print(void *aux, const char *pnp)
    107 {
    108 	return pnp ? QUIET : UNCONF;
    109 }
    110 
    111 int
    112 txsim_search(struct device *parent, struct cfdata *cf, void *aux)
    113 {
    114 	struct txsim_softc *sc = (void*)parent;
    115 	struct txsim_attach_args ta;
    116 
    117 	ta.ta_tc = tx_conf_get_tag();
    118 
    119 	if ((*cf->cf_attach->ca_match)(parent, cf, &ta) == sc->sc_pri) {
    120 		config_attach(parent, cf, &ta, txsim_print);
    121 	}
    122 
    123 	return 0;
    124 }
    125