1/*	$NetBSD: txsim.c,v 1.19 2021/08/07 16:18:54 thorpej 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 1.19 2021/08/07 16:18:54 thorpej 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
53int	txsim_match(device_t, cfdata_t, void *);
54void	txsim_attach(device_t, device_t, void *);
55int	txsim_print(void *, const char*);
56int	txsim_search(device_t, cfdata_t, const int *, void *);
57
58struct txsim_softc {
59	int sc_pri; /* attaching device priority */
60};
61
62CFATTACH_DECL_NEW(txsim, sizeof(struct txsim_softc),
63    txsim_match, txsim_attach, NULL, NULL);
64
65int
66txsim_match(device_t parent, cfdata_t match, void *aux)
67{
68	struct mainbus_attach_args *ma = aux;
69
70#ifdef VR41XX
71	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR_41XX))
72	  return (0);
73#endif /* VR41XX */
74	if (strcmp(ma->ma_name, match->cf_name))
75		return (0);
76
77	return (1);
78}
79
80void
81txsim_attach(device_t parent, device_t self, void *aux)
82{
83	struct txsim_softc *sc = device_private(self);
84
85	printf("\n");
86
87	tx_sound_init(tx_conf_get_tag());
88	/*
89	 * interrupt, clock module is used by other system module.
90	 * so attach first.
91	 */
92	sc->sc_pri = ATTACH_FIRST;
93	config_search(self, NULL,
94	    CFARGS(.search = txsim_search));
95
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(self, NULL,
102	    CFARGS(.search = txsim_search));
103
104	/*
105	 * UART module uses platform dependent config_hooks.
106	 */
107	sc->sc_pri = ATTACH_LAST;
108	config_search(self, NULL,
109	    CFARGS(.search = txsim_search));
110}
111
112int
113txsim_print(void *aux, const char *pnp)
114{
115	return (pnp ? QUIET : UNCONF);
116}
117
118int
119txsim_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
120{
121	struct txsim_softc *sc = device_private(parent);
122	struct txsim_attach_args ta;
123
124	ta.ta_tc = tx_conf_get_tag();
125
126	if (/*XXX*/config_probe(parent, cf, &ta) == sc->sc_pri)
127		config_attach(parent, cf, &ta, txsim_print, CFARGS_NONE);
128
129	return (0);
130}
131