adb.c revision 1.8 1 /* $NetBSD: adb.c,v 1.8 2001/04/01 10:40:45 tsubai Exp $ */
2
3 /*-
4 * Copyright (C) 1994 Bradley A. Grantham
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Bradley A. Grantham.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/param.h>
34 #include <sys/device.h>
35 #include <sys/fcntl.h>
36 #include <sys/poll.h>
37 #include <sys/select.h>
38 #include <sys/proc.h>
39 #include <sys/signalvar.h>
40 #include <sys/systm.h>
41
42 #include <machine/autoconf.h>
43
44 #include <macppc/dev/adbvar.h>
45 #include <macppc/dev/akbdvar.h>
46 #include <macppc/dev/viareg.h>
47
48 #include "aed.h"
49
50 /*
51 * Function declarations.
52 */
53 static int adbmatch __P((struct device *, struct cfdata *, void *));
54 static void adbattach __P((struct device *, struct device *, void *));
55 static int adbprint __P((void *, const char *));
56
57 /*
58 * Global variables.
59 */
60 int adb_polling = 0; /* Are we polling? (Debugger mode) */
61 int adb_initted = 0; /* adb_init() has completed successfully */
62 #ifdef ADB_DEBUG
63 int adb_debug = 0; /* Output debugging messages */
64 #endif /* ADB_DEBUG */
65
66 /*
67 * Driver definition.
68 */
69 struct cfattach adb_ca = {
70 sizeof(struct adb_softc), adbmatch, adbattach
71 };
72
73 extern int adbHardware;
74
75 static int
76 adbmatch(parent, cf, aux)
77 struct device *parent;
78 struct cfdata *cf;
79 void *aux;
80 {
81 struct confargs *ca = aux;
82
83 if (ca->ca_nreg < 8)
84 return 0;
85
86 if (ca->ca_nintr < 4)
87 return 0;
88
89 if (strcmp(ca->ca_name, "via-cuda") == 0)
90 return 1;
91
92 if (strcmp(ca->ca_name, "via-pmu") == 0)
93 return 1;
94
95 return 0;
96 }
97
98 static void
99 adbattach(parent, self, aux)
100 struct device *parent, *self;
101 void *aux;
102 {
103 struct adb_softc *sc = (struct adb_softc *)self;
104 struct confargs *ca = aux;
105 int irq = ca->ca_intr[0];
106 int node;
107 ADBDataBlock adbdata;
108 struct adb_attach_args aa_args;
109 int totaladbs;
110 int adbindex, adbaddr;
111
112 extern adb_intr();
113 extern volatile u_char *Via1Base;
114
115 ca->ca_reg[0] += ca->ca_baseaddr;
116
117 sc->sc_regbase = mapiodev(ca->ca_reg[0], ca->ca_reg[1]);
118 Via1Base = sc->sc_regbase;
119
120 if (strcmp(ca->ca_name, "via-cuda") == 0)
121 adbHardware = ADB_HW_CUDA;
122 else if (strcmp(ca->ca_name, "via-pmu") == 0)
123 adbHardware = ADB_HW_PB;
124
125 node = getnodebyname(OF_parent(ca->ca_node), "extint-gpio1");
126 if (node)
127 OF_getprop(node, "interrupts", &irq, 4);
128
129 printf(" irq %d: ", irq);
130
131 adb_polling = 1;
132 ADBReInit();
133
134 intr_establish(irq, IST_LEVEL, IPL_HIGH, adb_intr, sc);
135
136 #ifdef ADB_DEBUG
137 if (adb_debug)
138 printf("adb: done with ADBReInit\n");
139 #endif
140 totaladbs = CountADBs();
141
142 printf("%d targets\n", totaladbs);
143
144 #if NAED > 0
145 /* ADB event device for compatibility */
146 aa_args.origaddr = 0;
147 aa_args.adbaddr = 0;
148 aa_args.handler_id = 0;
149 (void)config_found(self, &aa_args, adbprint);
150 #endif
151
152 /* for each ADB device */
153 for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
154 /* Get the ADB information */
155 adbaddr = GetIndADB(&adbdata, adbindex);
156
157 aa_args.origaddr = adbdata.origADBAddr;
158 aa_args.adbaddr = adbaddr;
159 aa_args.handler_id = adbdata.devType;
160
161 (void)config_found(self, &aa_args, adbprint);
162 }
163
164 if (adbHardware == ADB_HW_CUDA)
165 adb_cuda_autopoll();
166 adb_polling = 0;
167 }
168
169 int
170 adbprint(args, name)
171 void *args;
172 const char *name;
173 {
174 struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
175 int rv = UNCONF;
176
177 if (name) { /* no configured device matched */
178 rv = UNSUPP; /* most ADB device types are unsupported */
179
180 /* print out what kind of ADB device we have found */
181 printf("%s addr %d: ", name, aa_args->adbaddr);
182 switch(aa_args->origaddr) {
183 #ifdef DIAGNOSTIC
184 case 0:
185 printf("ADB event device");
186 rv = UNCONF;
187 break;
188 case ADBADDR_SECURE:
189 printf("security dongle (%d)", aa_args->handler_id);
190 break;
191 #endif
192 case ADBADDR_MAP:
193 printf("mapped device (%d)", aa_args->handler_id);
194 rv = UNCONF;
195 break;
196 case ADBADDR_REL:
197 printf("relative positioning device (%d)",
198 aa_args->handler_id);
199 rv = UNCONF;
200 break;
201 #ifdef DIAGNOSTIC
202 case ADBADDR_ABS:
203 switch (aa_args->handler_id) {
204 case ADB_ARTPAD:
205 printf("WACOM ArtPad II");
206 break;
207 default:
208 printf("absolute positioning device (%d)",
209 aa_args->handler_id);
210 break;
211 }
212 break;
213 case ADBADDR_DATATX:
214 printf("data transfer device (modem?) (%d)",
215 aa_args->handler_id);
216 break;
217 case ADBADDR_MISC:
218 switch (aa_args->handler_id) {
219 case ADB_POWERKEY:
220 printf("Sophisticated Circuits PowerKey");
221 break;
222 default:
223 printf("misc. device (remote control?) (%d)",
224 aa_args->handler_id);
225 break;
226 }
227 break;
228 default:
229 printf("unknown type device, (handler %d)",
230 aa_args->handler_id);
231 break;
232 #endif /* DIAGNOSTIC */
233 }
234 } else /* a device matched and was configured */
235 printf(" addr %d: ", aa_args->adbaddr);
236
237 return rv;
238 }
239