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
53 int txsim_match(device_t, cfdata_t, void *);
54 void txsim_attach(device_t, device_t, void *);
55 int txsim_print(void *, const char*);
56 int txsim_search(device_t, cfdata_t, const int *, void *);
57
58 struct txsim_softc {
59 int sc_pri; /* attaching device priority */
60 };
61
62 CFATTACH_DECL_NEW(txsim, sizeof(struct txsim_softc),
63 txsim_match, txsim_attach, NULL, NULL);
64
65 int
txsim_match(device_t parent,cfdata_t match,void * aux)66 txsim_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
80 void
txsim_attach(device_t parent,device_t self,void * aux)81 txsim_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
112 int
txsim_print(void * aux,const char * pnp)113 txsim_print(void *aux, const char *pnp)
114 {
115 return (pnp ? QUIET : UNCONF);
116 }
117
118 int
txsim_search(device_t parent,cfdata_t cf,const int * ldesc,void * aux)119 txsim_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