xref: /netbsd/sys/arch/amiga/dev/drsupio.c (revision bf9ec67e)
1 /*	$NetBSD: drsupio.c,v 1.10 2002/01/28 09:56:54 aymeric Exp $ */
2 
3 /*-
4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Ignatios Souvatzis.
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/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: drsupio.c,v 1.10 2002/01/28 09:56:54 aymeric Exp $");
41 
42 /*
43  * DraCo multi-io chip bus space stuff
44  */
45 
46 #include <sys/types.h>
47 
48 #include <sys/conf.h>
49 #include <sys/device.h>
50 #include <sys/systm.h>
51 #include <sys/param.h>
52 
53 #include <machine/bus.h>
54 #include <machine/conf.h>
55 
56 #include <amiga/include/cpu.h>
57 
58 #include <amiga/amiga/device.h>
59 #include <amiga/amiga/drcustom.h>
60 
61 #include <amiga/dev/supio.h>
62 
63 struct drsupio_softc {
64 	struct device sc_dev;
65 	struct bus_space_tag sc_bst;
66 };
67 
68 int drsupiomatch(struct device *, struct cfdata *, void *);
69 void drsupioattach(struct device *, struct device *, void *);
70 int drsupprint(void *auxp, const char *);
71 void drlptintack(void *);
72 
73 struct cfattach drsupio_ca = {
74 	sizeof(struct drsupio_softc), drsupiomatch, drsupioattach
75 };
76 
77 int
78 drsupiomatch(struct device *parent, struct cfdata *cfp, void *auxp)
79 {
80 	static int drsupio_matched = 0;
81 
82 	/* Exactly one of us lives on the DraCo */
83 	if (!is_draco() || !matchname(auxp, "drsupio") || drsupio_matched)
84 		return 0;
85 
86 	drsupio_matched = 1;
87 	return 1;
88 }
89 
90 struct drsupio_devs {
91 	char *name;
92 	int off;
93 	int arg;
94 } drsupiodevs[] = {
95 	{ "com", 0x3f8, 115200 * 16 },
96 	{ "com", 0x2f8, 115200 * 16 },
97 	{ "lpt", 0x278, (int)drlptintack },
98 	{ "fdc", 0x3f0, 0 },
99 	/* WD port? */
100 	{ 0 }
101 };
102 
103 void
104 drsupioattach(struct device *parent, struct device *self, void *auxp)
105 {
106 	struct drsupio_softc *drsc;
107 	struct drsupio_devs  *drsd;
108 	struct drioct *ioct;
109 	struct supio_attach_args supa;
110 
111 	drsc = (struct drsupio_softc *)self;
112 	drsd = drsupiodevs;
113 
114 	if (parent)
115 		printf("\n");
116 
117 	drsc->sc_bst.base = DRCCADDR + NBPG * DRSUPIOPG + 1;
118 	drsc->sc_bst.absm = &amiga_bus_stride_4;
119 
120 	supa.supio_iot = &drsc->sc_bst;
121 	supa.supio_ipl = 5;
122 
123 	while (drsd->name) {
124 		supa.supio_name = drsd->name;
125 		supa.supio_iobase = drsd->off;
126 		supa.supio_arg = drsd->arg;
127 		config_found(self, &supa, drsupprint); /* XXX */
128 		++drsd;
129 	}
130 
131 	drlptintack(0);
132 	ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG);
133 	ioct->io_status2 |= DRSTAT2_PARIRQENA;
134 }
135 
136 void
137 drlptintack(void *p)
138 {
139 	struct drioct *ioct;
140 
141 	(void)p;
142 	ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG);
143 
144 	ioct->io_parrst = 0;	/* any value works */
145 }
146 
147 int
148 drsupprint(void *auxp, const char *pnp)
149 {
150 	struct supio_attach_args *supa;
151 	supa = auxp;
152 
153 	if (pnp == NULL)
154 		return(QUIET);
155 
156 	printf("%s at %s port 0x%02x",
157 	    supa->supio_name, pnp, supa->supio_iobase);
158 
159 	return(UNCONF);
160 }
161