diff options
Diffstat (limited to 'sys/arch/macppc/dev/adb.c')
| -rw-r--r-- | sys/arch/macppc/dev/adb.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/sys/arch/macppc/dev/adb.c b/sys/arch/macppc/dev/adb.c new file mode 100644 index 00000000000..08e36ece7b4 --- /dev/null +++ b/sys/arch/macppc/dev/adb.c @@ -0,0 +1,255 @@ +/* $OpenBSD: adb.c,v 1.1 2001/09/01 15:50:00 drahn 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 <sys/param.h> +#include <sys/device.h> +#include <sys/fcntl.h> +#include <sys/poll.h> +#include <sys/select.h> +#include <sys/proc.h> +#include <sys/signalvar.h> +#include <sys/systm.h> + +#include <machine/autoconf.h> + +#include <macppc/mac/adbvar.h> +#include <macppc/mac/akbdvar.h> +#include <macppc/mac/viareg.h> + +#include "aed.h" + +/* + * Function declarations. + */ +static int adbmatch __P((struct device *, void *, void *)); +static void adbattach __P((struct device *, struct device *, void *)); +static int adbprint __P((void *, const char *)); + +/* + * Global variables. + */ +int adb_polling = 0; /* Are we polling? (Debugger mode) */ +int adb_initted = 0; /* adb_init() has completed successfully */ +#ifdef ADB_DEBUG +int adb_debug = 0; /* 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 +}; + +extern int adbHardware; + +static int +adbmatch(parent, cf, aux) + 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; +} + +/* HACK ALERT */ +int adb_read_date_time(unsigned long *time); +int adb_write_date_time(unsigned long time); +int adb_set_date_time(unsigned long time); +typedef int (clock_read_t)(int *sec, int *min, int *hour, int *day, + int *mon, int *yr); +typedef int (time_read_t)(unsigned long *sec); +typedef int (time_write_t)(unsigned long sec); +extern time_read_t *time_read; +extern time_write_t *time_write; +extern clock_read_t *clock_read; + + + +static void +adbattach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct adb_softc *sc = (struct adb_softc *)self; + struct confargs *ca = aux; + + ADBDataBlock adbdata; + struct adb_attach_args aa_args; + int totaladbs; + int adbindex, adbaddr; + + extern volatile u_char *Via1Base; + + 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_PB; + + 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 */ + clock_read = NULL; + 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]); + 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 (adbHardware == ADB_HW_CUDA) + adb_cuda_autopoll(); + adb_polling = 0; +} + +int +adbprint(args, name) + 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 + case 0: + printf("ADB event device"); + rv = UNCONF; + break; + 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; +} |