txioman.c revision 1.4 
1/*	$NetBSD: txioman.c,v 1.4 2002/01/29 18:53:20 uch 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
48int txioman_match(struct device *, struct cfdata *, void *);
49void txioman_attach(struct device *, struct device *, void *);
50void txioman_callback(struct device *);
51int txioman_print(void *, const char *);
52hpcio_chip_t tx_conf_reference_ioman(void *, int);
53
54struct cfattach txioman_ca = {
55	sizeof(struct device), txioman_match, txioman_attach
56};
57
58int
59txioman_match(struct device *parent, struct cfdata *cf, void *aux)
60{
61	return (1);
62}
63
64void
65txioman_attach(struct device *parent, struct device *self, void *aux)
66{
67	printf("\n");
68
69	config_defer(self, txioman_callback);
70}
71
72void
73txioman_callback(struct device *self)
74{
75	struct hpcio_attach_args haa;
76
77	haa.haa_busname = HPCIO_BUSNAME;
78	haa.haa_sc = tx_conf_get_tag();
79	haa.haa_getchip = tx_conf_reference_ioman;
80	haa.haa_iot = 0; /* not needed for TX */
81
82	config_found(self, &haa, txioman_print);
83}
84
85int
86txioman_print(void *aux, const char *pnp)
87{
88
89	return (QUIET);
90}
91
92void
93tx_conf_register_ioman(tx_chipset_tag_t t, struct hpcio_chip *hc)
94{
95	KASSERT(t == tx_conf_get_tag());
96	KASSERT(hc);
97
98	t->tc_iochip[hc->hc_chipid] = hc;
99}
100
101hpcio_chip_t
102tx_conf_reference_ioman(void *ctx, int iochip)
103{
104	struct tx_chipset_tag *t = tx_conf_get_tag();
105	KASSERT(iochip >= 0 && iochip < NTXIO_GROUP);
106
107	return (t->tc_iochip[iochip]);
108}
109