intio.c revision 1.23 1 /* $NetBSD: intio.c,v 1.23 2006/07/19 18:25:40 tsutsui Exp $ */
2
3 /*-
4 * Copyright (c) 1996, 1998, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
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 /*
40 * Autoconfiguration support for hp300 internal i/o space.
41 */
42
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: intio.c,v 1.23 2006/07/19 18:25:40 tsutsui Exp $");
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/device.h>
49
50 #include <machine/hp300spu.h>
51
52 #include <hp300/dev/intioreg.h>
53 #include <hp300/dev/intiovar.h>
54
55 struct intio_softc {
56 struct device sc_dev;
57 struct bus_space_tag sc_tag;
58 };
59
60 static int intiomatch(struct device *, struct cfdata *, void *);
61 static void intioattach(struct device *, struct device *, void *);
62 static int intioprint(void *, const char *);
63
64 CFATTACH_DECL(intio, sizeof(struct intio_softc),
65 intiomatch, intioattach, NULL, NULL);
66
67 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
68 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
69 defined(HP380) || defined(HP385)
70 static const struct intio_builtins intio_3xx_builtins[] = {
71 { "rtc", RTC_BASE, -1},
72 { "hil", HIL_BASE, 1},
73 { "hpib", HPIB_BASE, 3},
74 { "dma", DMA_BASE, 1},
75 { "fb", FB_BASE, -1},
76 };
77 #define nintio_3xx_builtins __arraycount(intio_3xx_builtins)
78 #endif
79
80 #if defined(HP400) || defined(HP425) || defined(HP433)
81 static const struct intio_builtins intio_4xx_builtins[] = {
82 { "rtc", RTC_BASE, -1},
83 { "frodo", FRODO_BASE, 5},
84 { "hil", HIL_BASE, 1},
85 { "hpib", HPIB_BASE, 3},
86 { "dma", DMA_BASE, 1},
87 };
88 #define nintio_4xx_builtins __arraycount(intio_4xx_builtins)
89 #endif
90
91 static int intio_matched = 0;
92 extern caddr_t internalhpib;
93
94 static int
95 intiomatch(struct device *parent, struct cfdata *match, void *aux)
96 {
97 /* Allow only one instance. */
98 if (intio_matched)
99 return 0;
100
101 intio_matched = 1;
102 return 1;
103 }
104
105 static void
106 intioattach(struct device *parent, struct device *self, void *aux)
107 {
108 struct intio_softc *sc = (struct intio_softc *)self;
109 struct intio_attach_args ia;
110 const struct intio_builtins *ib;
111 bus_space_tag_t bst = &sc->sc_tag;
112 int ndevs;
113 int i;
114
115 printf("\n");
116
117 memset(bst, 0, sizeof(struct bus_space_tag));
118 bst->bustype = HP300_BUS_SPACE_INTIO;
119
120 switch (machineid) {
121 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
122 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
123 defined(HP380) || defined(HP385)
124 case HP_320:
125 case HP_330:
126 case HP_340:
127 case HP_345:
128 case HP_350:
129 case HP_360:
130 case HP_370:
131 case HP_375:
132 case HP_380:
133 case HP_385:
134 ib = intio_3xx_builtins;
135 ndevs = nintio_3xx_builtins;
136 break;
137 #endif
138 #if defined(HP400) || defined(HP425) || defined(HP433)
139 case HP_400:
140 case HP_425:
141 case HP_433:
142 ib = intio_4xx_builtins;
143 ndevs = nintio_4xx_builtins;
144 break;
145 #endif
146 default:
147 return;
148 }
149
150 memset(&ia, 0, sizeof(ia));
151
152 for (i = 0; i < ndevs; i++) {
153
154 /*
155 * Internal HP-IB doesn't always return a device ID,
156 * so we rely on the sysflags.
157 */
158 if (ib[i].ib_offset == HPIB_BASE && !internalhpib)
159 continue;
160
161 strlcpy(ia.ia_modname, ib[i].ib_modname,
162 sizeof(ia.ia_modename));
163 ia.ia_bst = bst;
164 ia.ia_iobase = ib[i].ib_offset;
165 ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
166 ia.ia_ipl = ib[i].ib_ipl;
167 config_found(self, &ia, intioprint);
168 }
169 }
170
171 static int
172 intioprint(void *aux, const char *pnp)
173 {
174 struct intio_attach_args *ia = aux;
175
176 if (pnp != NULL)
177 aprint_normal("%s at %s", ia->ia_modname, pnp);
178 if (ia->ia_iobase != 0 && pnp == NULL) {
179 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
180 if (ia->ia_ipl != -1)
181 aprint_normal(" ipl %d", ia->ia_ipl);
182 }
183 return UNCONF;
184 }
185