adb.c revision 1.27.2.3 1 /* $NetBSD: adb.c,v 1.27.2.3 1999/11/28 10:13:17 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/itevar.h>
50 #include <mac68k/dev/akbdvar.h>
51
52 #include "aed.h" /* ADB Event Device for compatibility */
53
54 /*
55 * Function declarations.
56 */
57 static int adbmatch __P((struct device *, struct cfdata *, void *));
58 static void adbattach __P((struct device *, struct device *, void *));
59 static int adbprint __P((void *, const char *));
60 void adb_config_interrupts __P((struct device *));
61
62 extern void adb_jadbproc __P((void));
63
64 /*
65 * Global variables.
66 */
67 int adb_polling = 0; /* Are we polling? (Debugger mode) */
68 #ifdef ADB_DEBUG
69 #if 1
70 int adb_debug = 0xff;
71 #else
72 int adb_debug = 0; /* Output debugging messages */
73 #endif
74 #endif /* ADB_DEBUG */
75
76 extern struct mac68k_machine_S mac68k_machine;
77 extern int adbHardware;
78 extern char *adbHardwareDescr[];
79
80 /*
81 * Driver definition.
82 */
83 struct cfattach adb_ca = {
84 sizeof(struct device), adbmatch, adbattach
85 };
86
87 static int
88 adbmatch(parent, cf, aux)
89 struct device *parent;
90 struct cfdata *cf;
91 void *aux;
92 {
93 static int adb_matched = 0;
94
95 /* Allow only one instance. */
96 if (adb_matched)
97 return (0);
98
99 adb_matched = 1;
100 return (1);
101 }
102
103 static void
104 adbattach(parent, self, aux)
105 struct device *parent, *self;
106 void *aux;
107 {
108 printf("\n");
109
110 /*
111 * Defer configuration until interrupts are enabled.
112 */
113 config_interrupts(self, adb_config_interrupts);
114 }
115
116 void
117 adb_config_interrupts(self)
118 struct device *self;
119 {
120 ADBDataBlock adbdata;
121 struct adb_attach_args aa_args;
122 int totaladbs;
123 int adbindex, adbaddr;
124
125 printf("%s", self->dv_xname);
126 adb_polling = 1;
127
128 #ifdef MRG_ADB
129 /*
130 * Even if serial console only, some models require the
131 * ADB in order to get the date/time and do soft power.
132 */
133 if ((mac68k_machine.serial_console & 0x03)) {
134 printf(": using serial console\n");
135 return;
136 }
137
138 if (!mrg_romready()) {
139 printf(": no ROM ADB driver in this kernel for this machine\n");
140 return;
141 }
142
143 #ifdef ADB_DEBUG
144 if (adb_debug)
145 printf("adb: call mrg_initadbintr\n");
146 #endif
147
148 mrg_initadbintr(); /* Mac ROM Glue okay to do ROM intr */
149 #ifdef ADB_DEBUG
150 if (adb_debug)
151 printf("adb: returned from mrg_initadbintr\n");
152 #endif
153
154 /* ADBReInit pre/post-processing */
155 JADBProc = adb_jadbproc;
156
157 /* Initialize ADB */
158 #ifdef ADB_DEBUG
159 if (adb_debug)
160 printf("adb: calling ADBAlternateInit.\n");
161 #endif
162
163 printf(" (mrg)");
164 ADBAlternateInit();
165 #else
166 ADBReInit();
167 printf(" (direct, %s)", adbHardwareDescr[adbHardware]);
168 #endif /* MRG_ADB */
169
170 #ifdef ADB_DEBUG
171 if (adb_debug)
172 printf("adb: done with ADBReInit\n");
173 #endif
174
175 totaladbs = CountADBs();
176
177 printf(": %d target%s\n", totaladbs, (totaladbs == 1) ? "" : "s");
178
179 #if NAED > 0
180 /* ADB event device for compatibility */
181 aa_args.origaddr = 0;
182 aa_args.adbaddr = 0;
183 aa_args.handler_id = 0;
184 (void)config_found(self, &aa_args, adbprint);
185 #endif
186
187 /* for each ADB device */
188 for (adbindex = 1; adbindex <= totaladbs; adbindex++) {
189 /* Get the ADB information */
190 adbaddr = GetIndADB(&adbdata, adbindex);
191
192 aa_args.origaddr = (int)(adbdata.origADBAddr);
193 aa_args.adbaddr = adbaddr;
194 aa_args.handler_id = (int)(adbdata.devType);
195
196 (void)config_found(self, &aa_args, adbprint);
197 }
198 adb_polling = 0;
199 }
200
201
202 int
203 adbprint(args, name)
204 void *args;
205 const char *name;
206 {
207 struct adb_attach_args *aa_args = (struct adb_attach_args *)args;
208 int rv = UNCONF;
209
210 if (name) { /* no configured device matched */
211 rv = UNSUPP; /* most ADB device types are unsupported */
212
213 /* print out what kind of ADB device we have found */
214 printf("%s addr %d: ", name, aa_args->origaddr);
215 switch(aa_args->origaddr) {
216 #ifdef DIAGNOSTIC
217 case 0:
218 printf("ADB event device");
219 rv = UNCONF;
220 break;
221 case ADBADDR_SECURE:
222 printf("security dongle (%d)", aa_args->handler_id);
223 break;
224 #endif
225 case ADBADDR_MAP:
226 printf("mapped device (%d)", aa_args->handler_id);
227 rv = UNCONF;
228 break;
229 case ADBADDR_REL:
230 printf("relative positioning device (%d)",
231 aa_args->handler_id);
232 rv = UNCONF;
233 break;
234 #ifdef DIAGNOSTIC
235 case ADBADDR_ABS:
236 switch (aa_args->handler_id) {
237 case ADB_ARTPAD:
238 printf("WACOM ArtPad II");
239 break;
240 default:
241 printf("absolute positioning device (%d)",
242 aa_args->handler_id);
243 break;
244 }
245 break;
246 case ADBADDR_DATATX:
247 printf("data transfer device (modem?) (%d)",
248 aa_args->handler_id);
249 break;
250 case ADBADDR_MISC:
251 switch (aa_args->handler_id) {
252 case ADB_POWERKEY:
253 printf("Sophisticated Circuits PowerKey");
254 break;
255 default:
256 printf("misc. device (remote control?) (%d)",
257 aa_args->handler_id);
258 break;
259 }
260 break;
261 default:
262 printf("unknown type device, (handler %d)",
263 aa_args->handler_id);
264 break;
265 #endif /* DIAGNOSTIC */
266 }
267 } else /* a device matched and was configured */
268 printf(" addr %d: ", aa_args->origaddr);
269
270 return (rv);
271 }
272