/* $OpenBSD: adb.c,v 1.14 2005/11/16 12:28:54 kettenis Exp $ */ /* $NetBSD: adb.c,v 1.6 1999/08/16 06:28:09 tsubai Exp $ */ /*- * Copyright (C) 1994 Bradley A. Grantham * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bradley A. Grantham. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "aed.h" #include "apm.h" /* * Function declarations. */ int adbmatch(struct device *, void *, void *); void adbattach(struct device *, struct device *, void *); int adbprint(void *, const char *); /* * Global variables. */ int adb_polling; /* Are we polling? (Debugger mode) */ #ifdef ADB_DEBUG int adb_debug; /* Output debugging messages */ #endif /* ADB_DEBUG */ /* * Driver definition. */ struct cfattach adb_ca = { sizeof(struct adb_softc), adbmatch, adbattach }; struct cfdriver adb_cd = { NULL, "adb", DV_DULL }; int adbmatch(struct device *parent, void *cf, void *aux) { struct confargs *ca = aux; if (ca->ca_nreg < 8) return 0; if (ca->ca_nintr < 4) return 0; if (strcmp(ca->ca_name, "via-cuda") == 0) return 1; if (strcmp(ca->ca_name, "via-pmu") == 0) return 1; return 0; } void adbattach(struct device *parent, struct device *self, void *aux) { struct adb_softc *sc = (struct adb_softc *)self; struct confargs *ca = aux; struct confargs nca; char name[32]; int node; ADBDataBlock adbdata; struct adb_attach_args aa_args; int totaladbs; int adbindex, adbaddr; ca->ca_reg[0] += ca->ca_baseaddr; sc->sc_regbase = mapiodev(ca->ca_reg[0], ca->ca_reg[1]); Via1Base = sc->sc_regbase; if (strcmp(ca->ca_name, "via-cuda") == 0) adbHardware = ADB_HW_CUDA; else if (strcmp(ca->ca_name, "via-pmu") == 0) adbHardware = ADB_HW_PMU; adb_polling = 1; ADBReInit(); mac_intr_establish(parent, ca->ca_intr[0], IST_LEVEL, IPL_HIGH, adb_intr, sc, "adb"); /* init powerpc globals which control RTC functionality */ time_read = adb_read_date_time; time_write = adb_set_date_time; #ifdef ADB_DEBUG if (adb_debug) printf("adb: done with ADBReInit\n"); #endif totaladbs = CountADBs(); printf(" irq %d", ca->ca_intr[0]); switch (adbHardware) { case ADB_HW_CUDA: printf(": via-cuda"); break; case ADB_HW_PMU: printf(": via-pmu"); break; } printf(", %d targets\n", totaladbs); #if NAED > 0 /* ADB event device for compatibility */ aa_args.origaddr = 0; aa_args.adbaddr = 0; aa_args.handler_id = 0; (void)config_found(self, &aa_args, adbprint); #endif /* for each ADB device */ for (adbindex = 1; adbindex <= totaladbs; adbindex++) { /* Get the ADB information */ adbaddr = GetIndADB(&adbdata, adbindex); aa_args.origaddr = adbdata.origADBAddr; aa_args.adbaddr = adbaddr; aa_args.handler_id = adbdata.devType; (void)config_found(self, &aa_args, adbprint); } #if NAPM > 0 /* Magic for signalling the apm driver to match. */ aa_args.origaddr = ADBADDR_APM; aa_args.adbaddr = ADBADDR_APM; aa_args.handler_id = ADBADDR_APM; (void)config_found(self, &aa_args, NULL); #endif if (adbHardware == ADB_HW_CUDA) adb_cuda_autopoll(); adb_polling = 0; /* Attach I2C controller. */ for (node = OF_child(ca->ca_node); node; node = OF_peer(node)) { if (OF_getprop(node, "name", name, sizeof name) <= 0) continue; if (strcmp(name, "pmu-i2c") == 0) { nca.ca_name = "pi2c"; nca.ca_node = node; config_found(self, &nca, NULL); } } } int adbprint(void *args, const char *name) { struct adb_attach_args *aa_args = (struct adb_attach_args *)args; int rv = UNCONF; if (name) { /* no configured device matched */ rv = UNSUPP; /* most ADB device types are unsupported */ /* print out what kind of ADB device we have found */ printf("%s addr %d: ", name, aa_args->adbaddr); switch(aa_args->origaddr) { #ifdef DIAGNOSTIC #if NAED > 0 case 0: printf("ADB event device"); rv = UNCONF; break; #endif case ADBADDR_SECURE: printf("security dongle (%d)", aa_args->handler_id); break; #endif case ADBADDR_MAP: printf("mapped device (%d)", aa_args->handler_id); rv = UNCONF; break; case ADBADDR_REL: printf("relative positioning device (%d)", aa_args->handler_id); rv = UNCONF; break; #ifdef DIAGNOSTIC case ADBADDR_ABS: switch (aa_args->handler_id) { case ADB_ARTPAD: printf("WACOM ArtPad II"); break; default: printf("absolute positioning device (%d)", aa_args->handler_id); break; } break; case ADBADDR_DATATX: printf("data transfer device (modem?) (%d)", aa_args->handler_id); break; case ADBADDR_MISC: switch (aa_args->handler_id) { case ADB_POWERKEY: printf("Sophisticated Circuits PowerKey"); break; default: printf("misc. device (remote control?) (%d)", aa_args->handler_id); break; } break; default: printf("unknown type device, (handler %d)", aa_args->handler_id); break; #endif /* DIAGNOSTIC */ } } else /* a device matched and was configured */ printf(" addr %d: ", aa_args->adbaddr); return rv; }