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txsim.c revision 1.5.2.3 
      1 /*	$NetBSD: txsim.c,v 1.5.2.3 2002/10/10 18:33:00 jdolecek 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 CFATTACH_DECL(txsim, sizeof(struct txsim_softc),
     68     txsim_match, txsim_attach, NULL, NULL);
     69 
     70 int
     71 txsim_match(struct device *parent, struct cfdata *match, void *aux)
     72 {
     73 	struct mainbus_attach_args *ma = aux;
     74 
     75 #ifdef VR41XX
     76 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
     77 	  return (0);
     78 #endif /* VR41XX */
     79 	if (strcmp(ma->ma_name, match->cf_name))
     80 		return (0);
     81 
     82 	return (1);
     83 }
     84 
     85 void
     86 txsim_attach(struct device *parent, struct device *self, void *aux)
     87 {
     88 	struct txsim_softc *sc = (void*)self;
     89 
     90 	printf("\n");
     91 
     92 	tx_sound_init(tx_conf_get_tag());
     93 	/*
     94 	 * interrupt, clock module is used by other system module.
     95 	 * so attach first.
     96 	 */
     97 	sc->sc_pri = ATTACH_FIRST;
     98 	config_search(txsim_search, self, txsim_print);
     99 	/*
    100 	 * unified I/O manager requires all I/O capable module already
    101 	 * attached.
    102 	 */
    103 	sc->sc_pri = ATTACH_NORMAL;
    104 	config_search(txsim_search, self, txsim_print);
    105 	/*
    106 	 * UART module uses platform dependent config_hooks.
    107 	 */
    108 	sc->sc_pri = ATTACH_LAST;
    109 	config_search(txsim_search, self, txsim_print);
    110 }
    111 
    112 int
    113 txsim_print(void *aux, const char *pnp)
    114 {
    115 	return (pnp ? QUIET : UNCONF);
    116 }
    117 
    118 int
    119 txsim_search(struct device *parent, struct cfdata *cf, void *aux)
    120 {
    121 	struct txsim_softc *sc = (void*)parent;
    122 	struct txsim_attach_args ta;
    123 
    124 	ta.ta_tc = tx_conf_get_tag();
    125 
    126 	if (config_match(parent, cf, &ta) == sc->sc_pri)
    127 		config_attach(parent, cf, &ta, txsim_print);
    128 
    129 	return (0);
    130 }
    131