1 /* $NetBSD: adb.c,v 1.13 2002/10/02 05:30:38 thorpej 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 #include "apm.h" 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 60 /* 61 * Global variables. 62 */ 63 int adb_polling = 0; /* Are we polling? (Debugger mode) */ 64 int adb_initted = 0; /* adb_init() has completed successfully */ 65 #ifdef ADB_DEBUG 66 int adb_debug = 0; /* Output debugging messages */ 67 #endif /* ADB_DEBUG */ 68 69 /* 70 * Driver definition. 71 */ 72 CFATTACH_DECL(adb, sizeof(struct adb_softc), 73 adbmatch, adbattach, NULL, NULL); 74 75 static int 76 adbmatch(parent, cf, aux) 77 struct device *parent; 78 struct cfdata *cf; 79 void *aux; 80 { 81 struct confargs *ca = aux; 82 83 if (ca->ca_nreg < 8) 84 return 0; 85 86 if (ca->ca_nintr < 4) 87 return 0; 88 89 if (strcmp(ca->ca_name, "via-cuda") == 0) 90 return 1; 91 92 if (strcmp(ca->ca_name, "via-pmu") == 0) 93 return 1; 94 95 return 0; 96 } 97 98 static void 99 adbattach(parent, self, aux) 100 struct device *parent, *self; 101 void *aux; 102 { 103 struct adb_softc *sc = (struct adb_softc *)self; 104 struct confargs *ca = aux; 105 int irq = ca->ca_intr[0]; 106 int node; 107 ADBDataBlock adbdata; 108 struct adb_attach_args aa_args; 109 int totaladbs; 110 int adbindex, adbaddr; 111 112 extern volatile u_char *Via1Base; 113 114 ca->ca_reg[0] += ca->ca_baseaddr; 115 116 sc->sc_regbase = mapiodev(ca->ca_reg[0], ca->ca_reg[1]); 117 Via1Base = sc->sc_regbase; 118 119 if (strcmp(ca->ca_name, "via-cuda") == 0) 120 adbHardware = ADB_HW_CUDA; 121 else if (strcmp(ca->ca_name, "via-pmu") == 0) 122 adbHardware = ADB_HW_PB; 123 124 node = getnodebyname(OF_parent(ca->ca_node), "extint-gpio1"); 125 if (node) 126 OF_getprop(node, "interrupts", &irq, 4); 127 128 printf(" irq %d: ", irq); 129 130 adb_polling = 1; 131 ADBReInit(); 132 133 intr_establish(irq, IST_LEVEL, IPL_HIGH, (int (*)(void *))adb_intr, sc); 134 135 #ifdef ADB_DEBUG 136 if (adb_debug) 137 printf("adb: done with ADBReInit\n"); 138 #endif 139 totaladbs = CountADBs(); 140 141 printf("%d targets\n", totaladbs); 142 143 #if NAED > 0 144 /* ADB event device for compatibility */ 145 aa_args.origaddr = 0; 146 aa_args.adbaddr = 0; 147 aa_args.handler_id = 0; 148 (void)config_found(self, &aa_args, adbprint); 149 #endif 150 151 /* for each ADB device */ 152 for (adbindex = 1; adbindex <= totaladbs; adbindex++) { 153 /* Get the ADB information */ 154 adbaddr = GetIndADB(&adbdata, adbindex); 155 156 aa_args.origaddr = adbdata.origADBAddr; 157 aa_args.adbaddr = adbaddr; 158 aa_args.handler_id = adbdata.devType; 159 160 (void)config_found(self, &aa_args, adbprint); 161 } 162 163 #if NAPM > 0 164 /* Magic for signalling the apm driver to match. */ 165 aa_args.origaddr = ADBADDR_APM; 166 aa_args.adbaddr = ADBADDR_APM; 167 aa_args.handler_id = ADBADDR_APM; 168 169 (void)config_found(self, &aa_args, NULL); 170 #endif 171 172 if (adbHardware == ADB_HW_CUDA) 173 adb_cuda_autopoll(); 174 adb_polling = 0; 175 } 176 177 int 178 adbprint(args, name) 179 void *args; 180 const char *name; 181 { 182 struct adb_attach_args *aa_args = (struct adb_attach_args *)args; 183 int rv = UNCONF; 184 185 if (name) { /* no configured device matched */ 186 rv = UNSUPP; /* most ADB device types are unsupported */ 187 188 /* print out what kind of ADB device we have found */ 189 printf("%s addr %d: ", name, aa_args->adbaddr); 190 switch(aa_args->origaddr) { 191 #ifdef DIAGNOSTIC 192 case 0: 193 printf("ADB event device"); 194 rv = UNCONF; 195 break; 196 case ADBADDR_SECURE: 197 printf("security dongle (%d)", aa_args->handler_id); 198 break; 199 #endif 200 case ADBADDR_MAP: 201 printf("mapped device (%d)", aa_args->handler_id); 202 rv = UNCONF; 203 break; 204 case ADBADDR_REL: 205 printf("relative positioning device (%d)", 206 aa_args->handler_id); 207 rv = UNCONF; 208 break; 209 #ifdef DIAGNOSTIC 210 case ADBADDR_ABS: 211 switch (aa_args->handler_id) { 212 case ADB_ARTPAD: 213 printf("WACOM ArtPad II"); 214 break; 215 default: 216 printf("absolute positioning device (%d)", 217 aa_args->handler_id); 218 break; 219 } 220 break; 221 case ADBADDR_DATATX: 222 printf("data transfer device (modem?) (%d)", 223 aa_args->handler_id); 224 break; 225 case ADBADDR_MISC: 226 switch (aa_args->handler_id) { 227 case ADB_POWERKEY: 228 printf("Sophisticated Circuits PowerKey"); 229 break; 230 default: 231 printf("misc. device (remote control?) (%d)", 232 aa_args->handler_id); 233 break; 234 } 235 break; 236 default: 237 printf("unknown type device, (handler %d)", 238 aa_args->handler_id); 239 break; 240 #endif /* DIAGNOSTIC */ 241 } 242 } else /* a device matched and was configured */ 243 printf(" addr %d: ", aa_args->adbaddr); 244 245 return rv; 246 } 247