1 /* $NetBSD: adb.c,v 1.34 2000/02/14 07:01:45 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 /* 129 * Even if serial console only, some models require the 130 * ADB in order to get the date/time and do soft power. 131 */ 132 if ((mac68k_machine.serial_console & 0x03)) { 133 printf(": using serial console\n"); 134 return; 135 } 136 137 if (!mrg_romready()) { 138 printf(": no ROM ADB driver in this kernel for this machine\n"); 139 return; 140 } 141 142 #ifdef ADB_DEBUG 143 if (adb_debug) 144 printf("adb: call mrg_initadbintr\n"); 145 #endif 146 147 mrg_initadbintr(); /* Mac ROM Glue okay to do ROM intr */ 148 #ifdef ADB_DEBUG 149 if (adb_debug) 150 printf("adb: returned from mrg_initadbintr\n"); 151 #endif 152 153 /* ADBReInit pre/post-processing */ 154 JADBProc = adb_jadbproc; 155 156 /* Initialize ADB */ 157 #ifdef ADB_DEBUG 158 if (adb_debug) 159 printf("adb: calling ADBAlternateInit.\n"); 160 #endif 161 162 printf(" (mrg)"); 163 ADBAlternateInit(); 164 #else 165 ADBReInit(); 166 printf(" (direct, %s)", adbHardwareDescr[adbHardware]); 167 #endif /* MRG_ADB */ 168 169 #ifdef ADB_DEBUG 170 if (adb_debug) 171 printf("adb: done with ADBReInit\n"); 172 #endif 173 174 totaladbs = CountADBs(); 175 176 printf(": %d target%s\n", totaladbs, (totaladbs == 1) ? "" : "s"); 177 178 #if NAED > 0 179 /* ADB event device for compatibility */ 180 aa_args.origaddr = 0; 181 aa_args.adbaddr = 0; 182 aa_args.handler_id = 0; 183 (void)config_found(self, &aa_args, adbprint); 184 #endif 185 186 /* for each ADB device */ 187 for (adbindex = 1; adbindex <= totaladbs; adbindex++) { 188 /* Get the ADB information */ 189 adbaddr = GetIndADB(&adbdata, adbindex); 190 191 aa_args.origaddr = (int)(adbdata.origADBAddr); 192 aa_args.adbaddr = adbaddr; 193 aa_args.handler_id = (int)(adbdata.devType); 194 195 (void)config_found(self, &aa_args, adbprint); 196 } 197 adb_polling = 0; 198 } 199 200 201 int 202 adbprint(args, name) 203 void *args; 204 const char *name; 205 { 206 struct adb_attach_args *aa_args = (struct adb_attach_args *)args; 207 int rv = UNCONF; 208 209 if (name) { /* no configured device matched */ 210 rv = UNSUPP; /* most ADB device types are unsupported */ 211 212 /* print out what kind of ADB device we have found */ 213 printf("%s addr %d: ", name, aa_args->origaddr); 214 switch(aa_args->origaddr) { 215 #ifdef DIAGNOSTIC 216 case 0: 217 printf("ADB event device"); 218 rv = UNCONF; 219 break; 220 case ADBADDR_SECURE: 221 printf("security dongle (%d)", aa_args->handler_id); 222 break; 223 #endif 224 case ADBADDR_MAP: 225 printf("mapped device (%d)", aa_args->handler_id); 226 rv = UNCONF; 227 break; 228 case ADBADDR_REL: 229 printf("relative positioning device (%d)", 230 aa_args->handler_id); 231 rv = UNCONF; 232 break; 233 #ifdef DIAGNOSTIC 234 case ADBADDR_ABS: 235 switch (aa_args->handler_id) { 236 case ADB_ARTPAD: 237 printf("WACOM ArtPad II"); 238 break; 239 default: 240 printf("absolute positioning device (%d)", 241 aa_args->handler_id); 242 break; 243 } 244 break; 245 case ADBADDR_DATATX: 246 printf("data transfer device (modem?) (%d)", 247 aa_args->handler_id); 248 break; 249 case ADBADDR_MISC: 250 switch (aa_args->handler_id) { 251 case ADB_POWERKEY: 252 printf("Sophisticated Circuits PowerKey"); 253 break; 254 default: 255 printf("misc. device (remote control?) (%d)", 256 aa_args->handler_id); 257 break; 258 } 259 break; 260 default: 261 printf("unknown type device, (handler %d)", 262 aa_args->handler_id); 263 break; 264 #endif /* DIAGNOSTIC */ 265 } 266 } else /* a device matched and was configured */ 267 printf(" addr %d: ", aa_args->origaddr); 268 269 return (rv); 270 } 271