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txsim.c revision 1.3.4.1 
      1 /*	$NetBSD: txsim.c,v 1.3.4.1 2001/06/21 19:24:39 nathanw 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 #include "opt_tx39_debug.h"
     45 
     46 #include <sys/param.h>
     47 #include <sys/systm.h>
     48 #include <sys/device.h>
     49 
     50 #include <machine/bus.h>
     51 #include <machine/autoconf.h>
     52 #include <machine/platid.h>
     53 #include <machine/platid_mask.h>
     54 
     55 #include <hpcmips/tx/tx39var.h>
     56 #include <hpcmips/tx/txsnd.h>
     57 
     58 int	txsim_match(struct device *, struct cfdata *, void *);
     59 void	txsim_attach(struct device *, struct device *, void *);
     60 int	txsim_print(void *, const char*);
     61 int	txsim_search(struct device *, struct cfdata *, void *);
     62 
     63 struct txsim_softc {
     64 	struct	device sc_dev;
     65 	int sc_pri; /* attaching device priority */
     66 };
     67 
     68 struct cfattach txsim_ca = {
     69 	sizeof(struct txsim_softc), txsim_match, txsim_attach
     70 };
     71 
     72 int
     73 txsim_match(struct device *parent, struct cfdata *match, void *aux)
     74 {
     75 	struct mainbus_attach_args *ma = aux;
     76 
     77 #ifdef VR41XX
     78 	if (!platid_match(&platid, &platid_mask_CPU_MIPS_TX_3900)
     79 	    && !platid_match(&platid, &platid_mask_CPU_MIPS_TX_3920))
     80 		return (1);
     81 #endif /* !TX39XX */
     82 	if (strcmp(ma->ma_name, match->cf_driver->cd_name))
     83 		return (0);
     84 
     85 	return (1);
     86 }
     87 
     88 void
     89 txsim_attach(struct device *parent, struct device *self, void *aux)
     90 {
     91 	struct txsim_softc *sc = (void*)self;
     92 
     93 	printf("\n");
     94 
     95 	tx_sound_init(tx_conf_get_tag());
     96 	/*
     97 	 * interrupt, clock module is used by other system module.
     98 	 * so attach first.
     99 	 */
    100 	sc->sc_pri = ATTACH_FIRST;
    101 	config_search(txsim_search, self, txsim_print);
    102 	/*
    103 	 * unified I/O manager requires all I/O capable module already
    104 	 * attached.
    105 	 */
    106 	sc->sc_pri = ATTACH_NORMAL;
    107 	config_search(txsim_search, self, txsim_print);
    108 	/*
    109 	 * UART module uses platform dependent config_hooks.
    110 	 */
    111 	sc->sc_pri = ATTACH_LAST;
    112 	config_search(txsim_search, self, txsim_print);
    113 }
    114 
    115 int
    116 txsim_print(void *aux, const char *pnp)
    117 {
    118 	return (pnp ? QUIET : UNCONF);
    119 }
    120 
    121 int
    122 txsim_search(struct device *parent, struct cfdata *cf, void *aux)
    123 {
    124 	struct txsim_softc *sc = (void*)parent;
    125 	struct txsim_attach_args ta;
    126 
    127 	ta.ta_tc = tx_conf_get_tag();
    128 
    129 	if ((*cf->cf_attach->ca_match)(parent, cf, &ta) == sc->sc_pri)
    130 		config_attach(parent, cf, &ta, txsim_print);
    131 
    132 	return (0);
    133 }
    134