xref: /netbsd/sys/arch/amiga/dev/hyper.c (revision 6550d01e)
1 /*	$NetBSD: hyper.c,v 1.20 2010/02/02 19:03:31 phx Exp $ */
2 
3 /*-
4  * Copyright (c) 1997,1998 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  *
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: hyper.c,v 1.20 2010/02/02 19:03:31 phx Exp $");
34 
35 /*
36  * zbus HyperCom driver
37  */
38 
39 #include <sys/types.h>
40 
41 #include <sys/device.h>
42 #include <sys/conf.h>
43 #include <sys/systm.h>
44 #include <sys/param.h>
45 
46 #include <machine/bus.h>
47 
48 #include <amiga/include/cpu.h>
49 
50 #include <amiga/amiga/device.h>
51 #include <amiga/amiga/drcustom.h>
52 
53 #include <amiga/dev/supio.h>
54 #include <amiga/dev/zbusvar.h>
55 
56 
57 struct hyper_softc {
58 	struct device sc_dev;
59 	struct bus_space_tag sc_bst;
60 };
61 
62 int hypermatch(struct device *, struct cfdata *, void *);
63 void hyperattach(struct device *, struct device *, void *);
64 int hyperprint(void *auxp, const char *);
65 
66 CFATTACH_DECL(hyper, sizeof(struct hyper_softc),
67     hypermatch, hyperattach, NULL, NULL);
68 
69 struct hyper_prods {
70 	const char *name;
71 	unsigned baseoff;
72 } hyperproducts [] = {
73 	{0, 0},			/* 0: not used */
74 	{0, 0},			/* 1: handled by aster driver */
75 	{"4", 1},		/* 2 */
76 	{"Z3", 0},		/* 3 */
77 	{0, 0},			/* 4: not used */
78 	{0, 0},			/* 5: not used */
79 	{"4+", 0x8000},		/* 6 */
80 	{"3+", 0x8000}		/* 7 */
81 };
82 
83 int
84 hypermatch(struct device *parent, struct cfdata *cfp, void *auxp)
85 {
86 
87 	struct zbus_args *zap;
88 
89 	zap = auxp;
90 
91 	if (zap->manid != 5001)
92 		return (0);
93 
94 	if (zap->prodid < sizeof(hyperproducts)/sizeof(*hyperproducts) &&
95 	    hyperproducts[zap->prodid].name)
96 
97 		return (1);
98 
99 	return (0);
100 }
101 
102 #define HYPERPROD3	(1<<3)
103 #define HYPERPROD4	(1<<2)
104 #define HYPERPROD4PLUS	(1<<6)
105 #define HYPERPROD3PLUS	(1<<7)
106 
107 struct hyper_devs {
108 	const char *name;
109 	unsigned off;
110 	int arg;
111 	u_int32_t productmask;	/* XXX only prodid 0..31 */
112 } hyperdevices[] = {
113 	{ "com", 0x00, 115200 * 16 * 4, HYPERPROD3 | HYPERPROD4 },
114 	{ "com", 0x08, 115200 * 16 * 4, HYPERPROD3 | HYPERPROD4 },
115 	{ "com", 0x10, 115200 * 16 * 4, HYPERPROD4 },
116 	{ "com", 0x18, 115200 * 16 * 4, HYPERPROD4 },
117 	/* not yet { "lpt", 0x40, 0, HYPERPROD3 }, */
118 	{ "com", 0x0400, 115200 * 16 * 4, HYPERPROD3PLUS | HYPERPROD4PLUS },
119 	{ "com", 0x0000, 115200 * 16 * 4, HYPERPROD3PLUS | HYPERPROD4PLUS },
120 	{ "com", 0x0c00, 115200 * 16 * 4, HYPERPROD4PLUS },
121 	{ "com", 0x1000, 115200 * 16 * 4, HYPERPROD4PLUS },
122 	{ "lpt", 0x0800, 0, HYPERPROD3PLUS | HYPERPROD4PLUS },
123 	{ "lpt", 0x1400, 0, HYPERPROD4PLUS },
124 };
125 
126 void
127 hyperattach(struct device *parent, struct device *self, void *auxp)
128 {
129 	struct hyper_softc *hprsc;
130 	struct hyper_devs  *hprsd;
131 	struct zbus_args *zap;
132 	struct supio_attach_args supa;
133 	struct hyper_prods *hprpp;
134 
135 	hprsc = (struct hyper_softc *)self;
136 	zap = auxp;
137 	hprpp = &hyperproducts[zap->prodid];
138 
139 	if (parent)
140 		printf(": Hypercom %s\n", hprpp->name);
141 
142 	hprsc->sc_bst.base = (u_long)zap->va + hprpp->baseoff;
143 	hprsc->sc_bst.absm = &amiga_bus_stride_4;
144 
145 	supa.supio_iot = &hprsc->sc_bst;
146 	supa.supio_ipl = 6;
147 
148 	hprsd = hyperdevices;
149 
150 	while (hprsd->name) {
151 		if (hprsd->productmask & (1 << zap->prodid)) {
152 			supa.supio_name = hprsd->name;
153 			supa.supio_iobase = hprsd->off;
154 			supa.supio_arg = hprsd->arg;
155 			config_found(self, &supa, hyperprint); /* XXX */
156 		}
157 		++hprsd;
158 	}
159 }
160 
161 int
162 hyperprint(void *auxp, const char *pnp)
163 {
164 	struct supio_attach_args *supa;
165 	supa = auxp;
166 
167 	if (pnp == NULL)
168 		return(QUIET);
169 
170 	aprint_normal("%s at %s port 0x%02x",
171 	    supa->supio_name, pnp, supa->supio_iobase);
172 
173 	return(UNCONF);
174 }
175