adb.c revision 1.20
1 /* $NetBSD: adb.c,v 1.20 2006/09/13 03:37:20 gdamore 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/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: adb.c,v 1.20 2006/09/13 03:37:20 gdamore Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/device.h> 38 #include <sys/fcntl.h> 39 #include <sys/poll.h> 40 #include <sys/select.h> 41 #include <sys/proc.h> 42 #include <sys/signalvar.h> 43 #include <sys/systm.h> 44 45 #include <machine/autoconf.h> 46 47 #include <macppc/dev/adbvar.h> 48 #include <macppc/dev/akbdvar.h> 49 #include <macppc/dev/pm_direct.h> 50 #include <macppc/dev/viareg.h> 51 52 #include <dev/clock_subr.h> 53 #include <dev/ofw/openfirm.h> 54 55 #include "aed.h" 56 #include "apm.h" 57 58 /* 59 * Function declarations. 60 */ 61 static int adbmatch __P((struct device *, struct cfdata *, void *)); 62 static void adbattach __P((struct device *, struct device *, void *)); 63 static int adbprint __P((void *, const char *)); 64 static void adb_todr_init(void); 65 66 /* 67 * Global variables. 68 */ 69 int adb_polling = 0; /* Are we polling? (Debugger mode) */ 70 int adb_initted = 0; /* adb_init() has completed successfully */ 71 #ifdef ADB_DEBUG 72 int adb_debug = 0; /* Output debugging messages */ 73 #endif /* ADB_DEBUG */ 74 75 /* 76 * Driver definition. 77 */ 78 CFATTACH_DECL(adb, sizeof(struct adb_softc), 79 adbmatch, adbattach, NULL, NULL); 80 81 static int 82 adbmatch(parent, cf, aux) 83 struct device *parent; 84 struct cfdata *cf; 85 void *aux; 86 { 87 struct confargs *ca = aux; 88 89 if (ca->ca_nreg < 8) 90 return 0; 91 92 if (ca->ca_nintr < 4) 93 return 0; 94 95 if (strcmp(ca->ca_name, "via-cuda") == 0) 96 return 1; 97 98 if (strcmp(ca->ca_name, "via-pmu") == 0) 99 return 1; 100 101 return 0; 102 } 103 104 static void 105 adbattach(parent, self, aux) 106 struct device *parent, *self; 107 void *aux; 108 { 109 struct adb_softc *sc = (struct adb_softc *)self; 110 struct confargs *ca = aux; 111 int irq = ca->ca_intr[0]; 112 int node; 113 ADBDataBlock adbdata; 114 struct adb_attach_args aa_args; 115 int totaladbs; 116 int adbindex, adbaddr; 117 118 extern volatile u_char *Via1Base; 119 120 ca->ca_reg[0] += ca->ca_baseaddr; 121 122 sc->sc_regbase = mapiodev(ca->ca_reg[0], ca->ca_reg[1]); 123 Via1Base = sc->sc_regbase; 124 125 if (strcmp(ca->ca_name, "via-cuda") == 0) 126 adbHardware = ADB_HW_CUDA; 127 else if (strcmp(ca->ca_name, "via-pmu") == 0) 128 adbHardware = ADB_HW_PMU; 129 130 node = getnodebyname(OF_parent(ca->ca_node), "extint-gpio1"); 131 if (node) 132 OF_getprop(node, "interrupts", &irq, 4); 133 134 printf(" irq %d: ", irq); 135 136 adb_polling = 1; 137 ADBReInit(); 138 139 switch (adbHardware) { 140 case ADB_HW_CUDA: 141 intr_establish(irq, IST_LEVEL, IPL_HIGH, adb_intr_cuda, sc); 142 break; 143 case ADB_HW_PMU: 144 intr_establish(irq, IST_LEVEL, IPL_HIGH, pm_intr, sc); 145 pm_init(); 146 break; 147 } 148 149 #ifdef ADB_DEBUG 150 if (adb_debug) 151 printf("adb: done with ADBReInit\n"); 152 #endif 153 totaladbs = CountADBs(); 154 155 printf("%d targets\n", totaladbs); 156 157 #if NAED > 0 158 /* ADB event device for compatibility */ 159 aa_args.origaddr = 0; 160 aa_args.adbaddr = 0; 161 aa_args.handler_id = 0; 162 (void)config_found(self, &aa_args, adbprint); 163 #endif 164 165 /* for each ADB device */ 166 for (adbindex = 1; adbindex <= totaladbs; adbindex++) { 167 /* Get the ADB information */ 168 adbaddr = GetIndADB(&adbdata, adbindex); 169 170 aa_args.origaddr = adbdata.origADBAddr; 171 aa_args.adbaddr = adbaddr; 172 aa_args.handler_id = adbdata.devType; 173 174 (void)config_found(self, &aa_args, adbprint); 175 } 176 177 #if NAPM > 0 178 /* Magic for signalling the apm driver to match. */ 179 aa_args.origaddr = ADBADDR_APM; 180 aa_args.adbaddr = ADBADDR_APM; 181 aa_args.handler_id = ADBADDR_APM; 182 183 (void)config_found(self, &aa_args, NULL); 184 #endif 185 186 if (adbHardware == ADB_HW_CUDA) 187 adb_cuda_autopoll(); 188 adb_polling = 0; 189 190 adb_todr_init(); 191 } 192 193 int 194 adbprint(args, name) 195 void *args; 196 const char *name; 197 { 198 struct adb_attach_args *aa_args = (struct adb_attach_args *)args; 199 int rv = UNCONF; 200 201 if (name) { /* no configured device matched */ 202 rv = UNSUPP; /* most ADB device types are unsupported */ 203 204 /* print out what kind of ADB device we have found */ 205 aprint_normal("%s addr %d: ", name, aa_args->adbaddr); 206 switch(aa_args->origaddr) { 207 #ifdef DIAGNOSTIC 208 case 0: 209 aprint_normal("ADB event device"); 210 rv = UNCONF; 211 break; 212 case ADBADDR_SECURE: 213 aprint_normal("security dongle (%d)", 214 aa_args->handler_id); 215 break; 216 #endif 217 case ADBADDR_MAP: 218 aprint_normal("mapped device (%d)", 219 aa_args->handler_id); 220 rv = UNCONF; 221 break; 222 case ADBADDR_REL: 223 aprint_normal("relative positioning device (%d)", 224 aa_args->handler_id); 225 rv = UNCONF; 226 break; 227 #ifdef DIAGNOSTIC 228 case ADBADDR_ABS: 229 switch (aa_args->handler_id) { 230 case ADB_ARTPAD: 231 aprint_normal("WACOM ArtPad II"); 232 break; 233 default: 234 aprint_normal("absolute positioning device (%d)", 235 aa_args->handler_id); 236 break; 237 } 238 break; 239 case ADBADDR_DATATX: 240 aprint_normal("data transfer device (modem?) (%d)", 241 aa_args->handler_id); 242 break; 243 case ADBADDR_MISC: 244 switch (aa_args->handler_id) { 245 case ADB_POWERKEY: 246 aprint_normal("Sophisticated Circuits PowerKey"); 247 break; 248 default: 249 aprint_normal("misc. device (remote control?) (%d)", 250 aa_args->handler_id); 251 break; 252 } 253 break; 254 default: 255 aprint_normal("unknown type device, (handler %d)", 256 aa_args->handler_id); 257 break; 258 #endif /* DIAGNOSTIC */ 259 } 260 } else /* a device matched and was configured */ 261 aprint_normal(" addr %d: ", aa_args->adbaddr); 262 263 return rv; 264 } 265 266 #define DIFF19041970 2082844800 267 268 static int 269 adb_todr_get(todr_chip_handle_t tch, volatile struct timeval *tvp) 270 { 271 unsigned long sec; 272 273 if (adb_read_date_time(&sec) != 0) 274 return EIO; 275 tvp->tv_sec = sec - DIFF19041970; 276 tvp->tv_usec = 0; 277 return 0; 278 } 279 280 static int 281 adb_todr_set(todr_chip_handle_t tch, volatile struct timeval *tvp) 282 { 283 unsigned long sec; 284 285 sec = tvp->tv_sec + DIFF19041970; 286 return adb_set_date_time(sec) ? EIO : 0; 287 } 288 289 void 290 adb_todr_init(void) 291 { 292 static struct todr_chip_handle tch = { 293 .todr_gettime = adb_todr_get, 294 .todr_settime = adb_todr_set 295 }; 296 297 todr_attach(&tch); 298 } 299
Indexes created Thu Sep 25 08:09:54 GMT 2025