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txsim.c revision 1.15.74.1 
      1 /*	$NetBSD: txsim.c,v 1.15.74.1 2008/06/02 13:22:11 mjf 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: txsim.c,v 1.15.74.1 2008/06/02 13:22:11 mjf Exp $");
     34 
     35 #include "opt_vr41xx.h"
     36 #include "opt_tx39xx.h"
     37 /*
     38  * TX System Internal Module.
     39  */
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/device.h>
     44 
     45 #include <machine/bus.h>
     46 #include <machine/autoconf.h>
     47 #include <machine/platid.h>
     48 #include <machine/platid_mask.h>
     49 
     50 #include <hpcmips/tx/tx39var.h>
     51 #include <hpcmips/tx/txsnd.h>
     52 
     53 int	txsim_match(struct device *, struct cfdata *, void *);
     54 void	txsim_attach(struct device *, struct device *, void *);
     55 int	txsim_print(void *, const char*);
     56 int	txsim_search(struct device *, struct cfdata *,
     57 		     const int *, void *);
     58 
     59 struct txsim_softc {
     60 	struct	device sc_dev;
     61 	int sc_pri; /* attaching device priority */
     62 };
     63 
     64 CFATTACH_DECL(txsim, sizeof(struct txsim_softc),
     65     txsim_match, txsim_attach, NULL, NULL);
     66 
     67 int
     68 txsim_match(struct device *parent, struct cfdata *match, void *aux)
     69 {
     70 	struct mainbus_attach_args *ma = aux;
     71 
     72 #ifdef VR41XX
     73 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
     74 	  return (0);
     75 #endif /* VR41XX */
     76 	if (strcmp(ma->ma_name, match->cf_name))
     77 		return (0);
     78 
     79 	return (1);
     80 }
     81 
     82 void
     83 txsim_attach(struct device *parent, struct device *self, void *aux)
     84 {
     85 	struct txsim_softc *sc = (void*)self;
     86 
     87 	printf("\n");
     88 
     89 	tx_sound_init(tx_conf_get_tag());
     90 	/*
     91 	 * interrupt, clock module is used by other system module.
     92 	 * so attach first.
     93 	 */
     94 	sc->sc_pri = ATTACH_FIRST;
     95 	config_search_ia(txsim_search, self, "txsim", txsim_print);
     96 	/*
     97 	 * unified I/O manager requires all I/O capable module already
     98 	 * attached.
     99 	 */
    100 	sc->sc_pri = ATTACH_NORMAL;
    101 	config_search_ia(txsim_search, self, "txsim", txsim_print);
    102 	/*
    103 	 * UART module uses platform dependent config_hooks.
    104 	 */
    105 	sc->sc_pri = ATTACH_LAST;
    106 	config_search_ia(txsim_search, self, "txsim", txsim_print);
    107 }
    108 
    109 int
    110 txsim_print(void *aux, const char *pnp)
    111 {
    112 	return (pnp ? QUIET : UNCONF);
    113 }
    114 
    115 int
    116 txsim_search(struct device *parent, struct cfdata *cf,
    117 	     const int *ldesc, void *aux)
    118 {
    119 	struct txsim_softc *sc = (void*)parent;
    120 	struct txsim_attach_args ta;
    121 
    122 	ta.ta_tc = tx_conf_get_tag();
    123 
    124 	if (config_match(parent, cf, &ta) == sc->sc_pri)
    125 		config_attach(parent, cf, &ta, txsim_print);
    126 
    127 	return (0);
    128 }
    129