adb.c revision 1.35 1 /* $NetBSD: adb.c,v 1.35 2000/03/19 06:07:05 scottr 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 "opt_adb.h"
34
35 #include <sys/param.h>
36 #include <sys/device.h>
37 #include <sys/fcntl.h>
38 #include <sys/poll.h>
39 #include <sys/select.h>
40 #include <sys/proc.h>
41 #include <sys/signalvar.h>
42 #include <sys/systm.h>
43
44 #include <machine/autoconf.h>
45 #include <machine/cpu.h>
46
47 #include <mac68k/mac68k/macrom.h>
48 #include <mac68k/dev/adbvar.h>
49 #include <mac68k/dev/akbdvar.h>
50
51 #include "aed.h" /* ADB Event Device for compatibility */
52
53 /*
54 * Function declarations.
55 */
56 static int adbmatch __P((struct device *, struct cfdata *, void *));
57 static void adbattach __P((struct device *, struct device *, void *));
58 static int adbprint __P((void *, const char *));
59 void adb_config_interrupts __P((struct device *));
60
61 extern void adb_jadbproc __P((void));
62
63 /*
64 * Global variables.
65 */
66 int adb_polling = 0; /* Are we polling? (Debugger mode) */
67 #ifdef ADB_DEBUG
68 #if 1
69 int adb_debug = 0xff;
70 #else
71 int adb_debug = 0; /* Output debugging messages */
72 #endif
73 #endif /* ADB_DEBUG */
74
75 extern struct mac68k_machine_S mac68k_machine;
76 extern int adbHardware;
77 extern char *adbHardwareDescr[];
78
79 /*
80 * Driver definition.
81 */
82 struct cfattach adb_ca = {
83 sizeof(struct device), adbmatch, adbattach
84 };
85
86 static int
87 adbmatch(parent, cf, aux)
88 struct device *parent;
89 struct cfdata *cf;
90 void *aux;
91 {
92 static int adb_matched = 0;
93
94 /* Allow only one instance. */
95 if (adb_matched)
96 return (0);
97
98 adb_matched = 1;
99 return (1);
100 }
101
102 static void
103 adbattach(parent, self, aux)
104 struct device *parent, *self;
105 void *aux;
106 {
107 printf("\n");
108
109 /*
110 * Defer configuration until interrupts are enabled.
111 */
112 config_interrupts(self, adb_config_interrupts);
113 }
114
115 void
116 adb_config_interrupts(self)
117 struct device *self;
118 {
119 ADBDataBlock adbdata;
120 struct adb_attach_args aa_args;
121 int totaladbs;
122 int adbindex, adbaddr;
123
124 printf("%s", self->dv_xname);
125 adb_polling = 1;
126
127 #ifdef MRG_ADB
128 if (!mrg_romready()) {
129 printf(": no ROM ADB driver in this kernel for this machine\n");
130 return;
131 }
132
133 #ifdef ADB_DEBUG
134 if (adb_debug)
135 printf("adb: call mrg_initadbintr\n");
136 #endif
137
138 mrg_initadbintr(); /* Mac ROM Glue okay to do ROM intr */
139 #ifdef ADB_DEBUG
140 if (adb_debug)
141 printf("adb: returned from mrg_initadbintr\n");
142 #endif
143
144 /* ADBReInit pre/post-processing */
145 JADBProc = adb_jadbproc;
146
147 /* Initialize ADB */
148 #ifdef ADB_DEBUG
149 if (adb_debug)
150 printf("adb: calling ADBAlternateInit.\n");
151 #endif
152
153 printf(" (mrg)");
154 ADBAlternateInit();
155 #else
156 ADBReInit();
157 printf(" (direct, %s)", adbHardwareDescr[adbHardware]);
158 #endif /* MRG_ADB */
159
160 #ifdef ADB_DEBUG
161 if (adb_debug)
162 printf("adb: done with ADBReInit\n");
163 #endif
164
165 totaladbs = CountADBs();
166
167 printf(": %d target%s\n", totaladbs, (totaladbs == 1) ? "" : "s");
168
169 #if NAED > 0
170 /* ADB event device for compatibility */
171 aa_args.origaddr = 0;
172 aa_args.adbaddr = 0;
173 aa_args.handler_id = 0;
174 (void)config_found(self, &aa_args, adbprint);
175 #endif
176
177 /* for each ADB device */
178 for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
179 /* Get the ADB information */
180 adbaddr = GetIndADB(&adbdata, adbindex);
181
182 aa_args.origaddr = (int)(adbdata.origADBAddr);
183 aa_args.adbaddr = adbaddr;
184 aa_args.handler_id = (int)(adbdata.devType);
185
186 (void)config_found(self, &aa_args, adbprint);
187 }
188 adb_polling = 0;
189 }
190
191
192 int
193 adbprint(args, name)
194 void *args;
195 const char *name;
196 {
197 struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
198 int rv = UNCONF;
199
200 if (name) { /* no configured device matched */
201 rv = UNSUPP; /* most ADB device types are unsupported */
202
203 /* print out what kind of ADB device we have found */
204 printf("%s addr %d: ", name, aa_args->origaddr);
205 switch(aa_args->origaddr) {
206 #ifdef DIAGNOSTIC
207 case 0:
208 printf("ADB event device");
209 rv = UNCONF;
210 break;
211 case ADBADDR_SECURE:
212 printf("security dongle (%d)", aa_args->handler_id);
213 break;
214 #endif
215 case ADBADDR_MAP:
216 printf("mapped device (%d)", aa_args->handler_id);
217 rv = UNCONF;
218 break;
219 case ADBADDR_REL:
220 printf("relative positioning device (%d)",
221 aa_args->handler_id);
222 rv = UNCONF;
223 break;
224 #ifdef DIAGNOSTIC
225 case ADBADDR_ABS:
226 switch (aa_args->handler_id) {
227 case ADB_ARTPAD:
228 printf("WACOM ArtPad II");
229 break;
230 default:
231 printf("absolute positioning device (%d)",
232 aa_args->handler_id);
233 break;
234 }
235 break;
236 case ADBADDR_DATATX:
237 printf("data transfer device (modem?) (%d)",
238 aa_args->handler_id);
239 break;
240 case ADBADDR_MISC:
241 switch (aa_args->handler_id) {
242 case ADB_POWERKEY:
243 printf("Sophisticated Circuits PowerKey");
244 break;
245 default:
246 printf("misc. device (remote control?) (%d)",
247 aa_args->handler_id);
248 break;
249 }
250 break;
251 default:
252 printf("unknown type device, (handler %d)",
253 aa_args->handler_id);
254 break;
255 #endif /* DIAGNOSTIC */
256 }
257 } else /* a device matched and was configured */
258 printf(" addr %d: ", aa_args->origaddr);
259
260 return (rv);
261 }
262