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/* $OpenBSD: adb.c,v 1.2 2001/09/01 17:43:08 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/dev/adbvar.h>
#include <macppc/dev/akbdvar.h>
#include <macppc/dev/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;
}
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