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