adb.c revision 1.9 1 /* $NetBSD: adb.c,v 1.9 2001/06/08 00:32:01 matt 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 <dev/ofw/openfirm.h>
49
50 #include "aed.h"
51
52 /*
53 * Function declarations.
54 */
55 static int adbmatch __P((struct device *, struct cfdata *, void *));
56 static void adbattach __P((struct device *, struct device *, void *));
57 static int adbprint __P((void *, const char *));
58
59 /*
60 * Global variables.
61 */
62 int adb_polling = 0; /* Are we polling? (Debugger mode) */
63 int adb_initted = 0; /* adb_init() has completed successfully */
64 #ifdef ADB_DEBUG
65 int adb_debug = 0; /* Output debugging messages */
66 #endif /* ADB_DEBUG */
67
68 /*
69 * Driver definition.
70 */
71 struct cfattach adb_ca = {
72 sizeof(struct adb_softc), adbmatch, adbattach
73 };
74
75 extern int adbHardware;
76
77 static int
78 adbmatch(parent, cf, aux)
79 struct device *parent;
80 struct cfdata *cf;
81 void *aux;
82 {
83 struct confargs *ca = aux;
84
85 if (ca->ca_nreg < 8)
86 return 0;
87
88 if (ca->ca_nintr < 4)
89 return 0;
90
91 if (strcmp(ca->ca_name, "via-cuda") == 0)
92 return 1;
93
94 if (strcmp(ca->ca_name, "via-pmu") == 0)
95 return 1;
96
97 return 0;
98 }
99
100 static void
101 adbattach(parent, self, aux)
102 struct device *parent, *self;
103 void *aux;
104 {
105 struct adb_softc *sc = (struct adb_softc *)self;
106 struct confargs *ca = aux;
107 int irq = ca->ca_intr[0];
108 int node;
109 ADBDataBlock adbdata;
110 struct adb_attach_args aa_args;
111 int totaladbs;
112 int adbindex, adbaddr;
113
114 extern volatile u_char *Via1Base;
115
116 ca->ca_reg[0] += ca->ca_baseaddr;
117
118 sc->sc_regbase = mapiodev(ca->ca_reg[0], ca->ca_reg[1]);
119 Via1Base = sc->sc_regbase;
120
121 if (strcmp(ca->ca_name, "via-cuda") == 0)
122 adbHardware = ADB_HW_CUDA;
123 else if (strcmp(ca->ca_name, "via-pmu") == 0)
124 adbHardware = ADB_HW_PB;
125
126 node = getnodebyname(OF_parent(ca->ca_node), "extint-gpio1");
127 if (node)
128 OF_getprop(node, "interrupts", &irq, 4);
129
130 printf(" irq %d: ", irq);
131
132 adb_polling = 1;
133 ADBReInit();
134
135 intr_establish(irq, IST_LEVEL, IPL_HIGH, (int (*)(void *))adb_intr, sc);
136
137 #ifdef ADB_DEBUG
138 if (adb_debug)
139 printf("adb: done with ADBReInit\n");
140 #endif
141 totaladbs = CountADBs();
142
143 printf("%d targets\n", totaladbs);
144
145 #if NAED > 0
146 /* ADB event device for compatibility */
147 aa_args.origaddr = 0;
148 aa_args.adbaddr = 0;
149 aa_args.handler_id = 0;
150 (void)config_found(self, &aa_args, adbprint);
151 #endif
152
153 /* for each ADB device */
154 for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
155 /* Get the ADB information */
156 adbaddr = GetIndADB(&adbdata, adbindex);
157
158 aa_args.origaddr = adbdata.origADBAddr;
159 aa_args.adbaddr = adbaddr;
160 aa_args.handler_id = adbdata.devType;
161
162 (void)config_found(self, &aa_args, adbprint);
163 }
164
165 if (adbHardware == ADB_HW_CUDA)
166 adb_cuda_autopoll();
167 adb_polling = 0;
168 }
169
170 int
171 adbprint(args, name)
172 void *args;
173 const char *name;
174 {
175 struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
176 int rv = UNCONF;
177
178 if (name) { /* no configured device matched */
179 rv = UNSUPP; /* most ADB device types are unsupported */
180
181 /* print out what kind of ADB device we have found */
182 printf("%s addr %d: ", name, aa_args->adbaddr);
183 switch(aa_args->origaddr) {
184 #ifdef DIAGNOSTIC
185 case 0:
186 printf("ADB event device");
187 rv = UNCONF;
188 break;
189 case ADBADDR_SECURE:
190 printf("security dongle (%d)", aa_args->handler_id);
191 break;
192 #endif
193 case ADBADDR_MAP:
194 printf("mapped device (%d)", aa_args->handler_id);
195 rv = UNCONF;
196 break;
197 case ADBADDR_REL:
198 printf("relative positioning device (%d)",
199 aa_args->handler_id);
200 rv = UNCONF;
201 break;
202 #ifdef DIAGNOSTIC
203 case ADBADDR_ABS:
204 switch (aa_args->handler_id) {
205 case ADB_ARTPAD:
206 printf("WACOM ArtPad II");
207 break;
208 default:
209 printf("absolute positioning device (%d)",
210 aa_args->handler_id);
211 break;
212 }
213 break;
214 case ADBADDR_DATATX:
215 printf("data transfer device (modem?) (%d)",
216 aa_args->handler_id);
217 break;
218 case ADBADDR_MISC:
219 switch (aa_args->handler_id) {
220 case ADB_POWERKEY:
221 printf("Sophisticated Circuits PowerKey");
222 break;
223 default:
224 printf("misc. device (remote control?) (%d)",
225 aa_args->handler_id);
226 break;
227 }
228 break;
229 default:
230 printf("unknown type device, (handler %d)",
231 aa_args->handler_id);
232 break;
233 #endif /* DIAGNOSTIC */
234 }
235 } else /* a device matched and was configured */
236 printf(" addr %d: ", aa_args->adbaddr);
237
238 return rv;
239 }
240