xref: /netbsd/sys/arch/hpcmips/tx/txioman.c (revision c4a72b64)
1 /*	$NetBSD: txioman.c,v 1.6 2002/10/02 05:26:51 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  * 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/param.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42 
43 #include <machine/bus.h>
44 #include <hpcmips/tx/tx39var.h>
45 
46 #include <dev/hpc/hpciovar.h>
47 
48 int txioman_match(struct device *, struct cfdata *, void *);
49 void txioman_attach(struct device *, struct device *, void *);
50 void txioman_callback(struct device *);
51 int txioman_print(void *, const char *);
52 hpcio_chip_t tx_conf_reference_ioman(void *, int);
53 
54 CFATTACH_DECL(txioman, sizeof(struct device),
55     txioman_match, txioman_attach, NULL, NULL);
56 
57 int
58 txioman_match(struct device *parent, struct cfdata *cf, void *aux)
59 {
60 	return (1);
61 }
62 
63 void
64 txioman_attach(struct device *parent, struct device *self, void *aux)
65 {
66 	printf("\n");
67 
68 	config_defer(self, txioman_callback);
69 }
70 
71 void
72 txioman_callback(struct device *self)
73 {
74 	struct hpcio_attach_args haa;
75 
76 	haa.haa_busname = HPCIO_BUSNAME;
77 	haa.haa_sc = tx_conf_get_tag();
78 	haa.haa_getchip = tx_conf_reference_ioman;
79 	haa.haa_iot = 0; /* not needed for TX */
80 
81 	config_found(self, &haa, txioman_print);
82 }
83 
84 int
85 txioman_print(void *aux, const char *pnp)
86 {
87 
88 	return (QUIET);
89 }
90 
91 void
92 tx_conf_register_ioman(tx_chipset_tag_t t, struct hpcio_chip *hc)
93 {
94 	KASSERT(t == tx_conf_get_tag());
95 	KASSERT(hc);
96 
97 	t->tc_iochip[hc->hc_chipid] = hc;
98 }
99 
100 hpcio_chip_t
101 tx_conf_reference_ioman(void *ctx, int iochip)
102 {
103 	struct tx_chipset_tag *t = tx_conf_get_tag();
104 	KASSERT(iochip >= 0 && iochip < NTXIO_GROUP);
105 
106 	return (t->tc_iochip[iochip]);
107 }
108