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txsim.c revision 1.11.6.1 
      1 /*	$NetBSD: txsim.c,v 1.11.6.1 2004/08/03 10:35:21 skrll 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 1.11.6.1 2004/08/03 10:35:21 skrll 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 *, void *);
     64 
     65 struct txsim_softc {
     66 	struct	device sc_dev;
     67 	int sc_pri; /* attaching device priority */
     68 };
     69 
     70 CFATTACH_DECL(txsim, sizeof(struct txsim_softc),
     71     txsim_match, txsim_attach, NULL, NULL);
     72 
     73 int
     74 txsim_match(struct device *parent, struct cfdata *match, void *aux)
     75 {
     76 	struct mainbus_attach_args *ma = aux;
     77 
     78 #ifdef VR41XX
     79 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
     80 	  return (0);
     81 #endif /* VR41XX */
     82 	if (strcmp(ma->ma_name, match->cf_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 (config_match(parent, cf, &ta) == sc->sc_pri)
    130 		config_attach(parent, cf, &ta, txsim_print);
    131 
    132 	return (0);
    133 }
    134