txioman.c revision 1.6 
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
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
54CFATTACH_DECL(txioman, sizeof(struct device),
55    txioman_match, txioman_attach, NULL, NULL);
56
57int
58txioman_match(struct device *parent, struct cfdata *cf, void *aux)
59{
60	return (1);
61}
62
63void
64txioman_attach(struct device *parent, struct device *self, void *aux)
65{
66	printf("\n");
67
68	config_defer(self, txioman_callback);
69}
70
71void
72txioman_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
84int
85txioman_print(void *aux, const char *pnp)
86{
87
88	return (QUIET);
89}
90
91void
92tx_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
100hpcio_chip_t
101tx_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