xref: /netbsd-src/sys/arch/hpcmips/tx/txsim.c (revision c8da0e5fefd3800856b306200a18b2315c7fbb9f)
1 /*	$NetBSD: txsim.c,v 1.16 2008/04/28 20:23:22 martin 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 1.16 2008/04/28 20:23:22 martin 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