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txsim.c revision 1.13.2.1 
      1 /*	$NetBSD: txsim.c,v 1.13.2.1 2006/06/21 14:51:50 yamt 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 <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: txsim.c,v 1.13.2.1 2006/06/21 14:51:50 yamt Exp $");
     41 
     42 #include "opt_vr41xx.h"
     43 #include "opt_tx39xx.h"
     44 /*
     45  * TX System Internal Module.
     46  */
     47 
     48 #include <sys/param.h>
     49 #include <sys/systm.h>
     50 #include <sys/device.h>
     51 
     52 #include <machine/bus.h>
     53 #include <machine/autoconf.h>
     54 #include <machine/platid.h>
     55 #include <machine/platid_mask.h>
     56 
     57 #include <hpcmips/tx/tx39var.h>
     58 #include <hpcmips/tx/txsnd.h>
     59 
     60 int	txsim_match(struct device *, struct cfdata *, void *);
     61 void	txsim_attach(struct device *, struct device *, void *);
     62 int	txsim_print(void *, const char*);
     63 int	txsim_search(struct device *, struct cfdata *,
     64 		     const int *, void *);
     65 
     66 struct txsim_softc {
     67 	struct	device sc_dev;
     68 	int sc_pri; /* attaching device priority */
     69 };
     70 
     71 CFATTACH_DECL(txsim, sizeof(struct txsim_softc),
     72     txsim_match, txsim_attach, NULL, NULL);
     73 
     74 int
     75 txsim_match(struct device *parent, struct cfdata *match, void *aux)
     76 {
     77 	struct mainbus_attach_args *ma = aux;
     78 
     79 #ifdef VR41XX
     80 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
     81 	  return (0);
     82 #endif /* VR41XX */
     83 	if (strcmp(ma->ma_name, match->cf_name))
     84 		return (0);
     85 
     86 	return (1);
     87 }
     88 
     89 void
     90 txsim_attach(struct device *parent, struct device *self, void *aux)
     91 {
     92 	struct txsim_softc *sc = (void*)self;
     93 
     94 	printf("\n");
     95 
     96 	tx_sound_init(tx_conf_get_tag());
     97 	/*
     98 	 * interrupt, clock module is used by other system module.
     99 	 * so attach first.
    100 	 */
    101 	sc->sc_pri = ATTACH_FIRST;
    102 	config_search_ia(txsim_search, self, "txsim", txsim_print);
    103 	/*
    104 	 * unified I/O manager requires all I/O capable module already
    105 	 * attached.
    106 	 */
    107 	sc->sc_pri = ATTACH_NORMAL;
    108 	config_search_ia(txsim_search, self, "txsim", txsim_print);
    109 	/*
    110 	 * UART module uses platform dependent config_hooks.
    111 	 */
    112 	sc->sc_pri = ATTACH_LAST;
    113 	config_search_ia(txsim_search, self, "txsim", txsim_print);
    114 }
    115 
    116 int
    117 txsim_print(void *aux, const char *pnp)
    118 {
    119 	return (pnp ? QUIET : UNCONF);
    120 }
    121 
    122 int
    123 txsim_search(struct device *parent, struct cfdata *cf,
    124 	     const int *ldesc, void *aux)
    125 {
    126 	struct txsim_softc *sc = (void*)parent;
    127 	struct txsim_attach_args ta;
    128 
    129 	ta.ta_tc = tx_conf_get_tag();
    130 
    131 	if (config_match(parent, cf, &ta) == sc->sc_pri)
    132 		config_attach(parent, cf, &ta, txsim_print);
    133 
    134 	return (0);
    135 }
    136