xref: /netbsd/sys/arch/hpcmips/tx/txioman.c (revision 6550d01e)
1 /*	$NetBSD: txioman.c,v 1.9 2008/04/28 20:23:22 martin 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: txioman.c,v 1.9 2008/04/28 20:23:22 martin Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 
39 #include <machine/bus.h>
40 #include <hpcmips/tx/tx39var.h>
41 
42 #include <dev/hpc/hpciovar.h>
43 
44 int txioman_match(struct device *, struct cfdata *, void *);
45 void txioman_attach(struct device *, struct device *, void *);
46 void txioman_callback(struct device *);
47 int txioman_print(void *, const char *);
48 hpcio_chip_t tx_conf_reference_ioman(void *, int);
49 
50 CFATTACH_DECL(txioman, sizeof(struct device),
51     txioman_match, txioman_attach, NULL, NULL);
52 
53 int
54 txioman_match(struct device *parent, struct cfdata *cf, void *aux)
55 {
56 	return (1);
57 }
58 
59 void
60 txioman_attach(struct device *parent, struct device *self, void *aux)
61 {
62 	printf("\n");
63 
64 	config_defer(self, txioman_callback);
65 }
66 
67 void
68 txioman_callback(struct device *self)
69 {
70 	struct hpcio_attach_args haa;
71 
72 	haa.haa_busname = HPCIO_BUSNAME;
73 	haa.haa_sc = tx_conf_get_tag();
74 	haa.haa_getchip = tx_conf_reference_ioman;
75 	haa.haa_iot = 0; /* not needed for TX */
76 
77 	config_found(self, &haa, txioman_print);
78 }
79 
80 int
81 txioman_print(void *aux, const char *pnp)
82 {
83 
84 	return (QUIET);
85 }
86 
87 void
88 tx_conf_register_ioman(tx_chipset_tag_t t, struct hpcio_chip *hc)
89 {
90 	KASSERT(t == tx_conf_get_tag());
91 	KASSERT(hc);
92 
93 	t->tc_iochip[hc->hc_chipid] = hc;
94 }
95 
96 hpcio_chip_t
97 tx_conf_reference_ioman(void *ctx, int iochip)
98 {
99 	struct tx_chipset_tag *t = tx_conf_get_tag();
100 	KASSERT(iochip >= 0 && iochip < NTXIO_GROUP);
101 
102 	return (t->tc_iochip[iochip]);
103 }
104