300 lines
7.2 KiB
C
300 lines
7.2 KiB
C
/* $NetBSD: adb.c,v 1.33 2012/02/01 02:02:07 matt 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.
|
|
*
|
|
* 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/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: adb.c,v 1.33 2012/02/01 02:02:07 matt Exp $");
|
|
|
|
#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 <sys/bus.h>
|
|
#include <machine/autoconf.h>
|
|
#include <machine/pio.h>
|
|
|
|
#include <macppc/dev/adbvar.h>
|
|
#include <macppc/dev/akbdvar.h>
|
|
#include <macppc/dev/pm_direct.h>
|
|
#include <macppc/dev/viareg.h>
|
|
|
|
#include <dev/clock_subr.h>
|
|
#include <dev/ofw/openfirm.h>
|
|
|
|
#include "aed.h"
|
|
#include "apm.h"
|
|
|
|
/*
|
|
* Function declarations.
|
|
*/
|
|
static int adbmatch(device_t, cfdata_t, void *);
|
|
static void adbattach(device_t, device_t, void *);
|
|
static int adbprint(void *, const char *);
|
|
static void adb_todr_init(void);
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
CFATTACH_DECL(adb, sizeof(struct adb_softc),
|
|
adbmatch, adbattach, NULL, NULL);
|
|
|
|
static int
|
|
adbmatch(device_t parent, cfdata_t 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;
|
|
}
|
|
|
|
static void
|
|
adbattach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct adb_softc *sc = device_private(self);
|
|
struct confargs *ca = aux;
|
|
int irq = ca->ca_intr[0];
|
|
int node;
|
|
ADBDataBlock adbdata;
|
|
struct adb_attach_args aa_args;
|
|
int totaladbs;
|
|
int adbindex, adbaddr, adb_node;
|
|
|
|
extern volatile uint8_t *Via1Base;
|
|
|
|
ca->ca_reg[0] += ca->ca_baseaddr;
|
|
|
|
sc->sc_regbase = mapiodev(ca->ca_reg[0], ca->ca_reg[1], false);
|
|
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;
|
|
|
|
node = of_getnode_byname(OF_parent(ca->ca_node), "extint-gpio1");
|
|
if (node)
|
|
OF_getprop(node, "interrupts", &irq, 4);
|
|
|
|
printf(" irq %d: ", irq);
|
|
|
|
adb_polling = 1;
|
|
adb_node = of_getnode_byname(ca->ca_node, "adb");
|
|
if (adb_node)
|
|
ADBReInit();
|
|
|
|
switch (adbHardware) {
|
|
case ADB_HW_CUDA:
|
|
intr_establish(irq, IST_LEVEL, IPL_TTY, adb_intr_cuda, sc);
|
|
break;
|
|
case ADB_HW_PMU:
|
|
intr_establish(irq, IST_LEVEL, IPL_TTY, pm_intr, sc);
|
|
pm_init();
|
|
break;
|
|
}
|
|
|
|
adb_todr_init();
|
|
|
|
#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
|
|
|
|
/*
|
|
* see if we're supposed to have an ADB bus
|
|
* since some PowerBooks don't have one and their PMUs barf on ADB
|
|
* commands we bail here if there's no adb node
|
|
*/
|
|
if (!adb_node)
|
|
return;
|
|
|
|
#ifdef ADB_DEBUG
|
|
if (adb_debug)
|
|
printf("adb: done with ADBReInit\n");
|
|
#endif
|
|
totaladbs = CountADBs();
|
|
|
|
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(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 */
|
|
aprint_normal("%s addr %d: ", name, aa_args->adbaddr);
|
|
switch(aa_args->origaddr) {
|
|
#ifdef DIAGNOSTIC
|
|
case 0:
|
|
aprint_normal("ADB event device");
|
|
rv = UNCONF;
|
|
break;
|
|
case ADBADDR_SECURE:
|
|
aprint_normal("security dongle (%d)",
|
|
aa_args->handler_id);
|
|
break;
|
|
#endif
|
|
case ADBADDR_MAP:
|
|
aprint_normal("mapped device (%d)",
|
|
aa_args->handler_id);
|
|
rv = UNCONF;
|
|
break;
|
|
case ADBADDR_REL:
|
|
aprint_normal("relative positioning device (%d)",
|
|
aa_args->handler_id);
|
|
rv = UNCONF;
|
|
break;
|
|
#ifdef DIAGNOSTIC
|
|
case ADBADDR_ABS:
|
|
switch (aa_args->handler_id) {
|
|
case ADB_ARTPAD:
|
|
aprint_normal("WACOM ArtPad II");
|
|
break;
|
|
default:
|
|
aprint_normal("absolute positioning device (%d)",
|
|
aa_args->handler_id);
|
|
break;
|
|
}
|
|
break;
|
|
case ADBADDR_DATATX:
|
|
aprint_normal("data transfer device (modem?) (%d)",
|
|
aa_args->handler_id);
|
|
break;
|
|
case ADBADDR_MISC:
|
|
switch (aa_args->handler_id) {
|
|
case ADB_POWERKEY:
|
|
aprint_normal("Sophisticated Circuits PowerKey");
|
|
break;
|
|
default:
|
|
aprint_normal("misc. device (remote control?) (%d)",
|
|
aa_args->handler_id);
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
aprint_normal("unknown type device, (handler %d)",
|
|
aa_args->handler_id);
|
|
break;
|
|
#endif /* DIAGNOSTIC */
|
|
}
|
|
} else /* a device matched and was configured */
|
|
aprint_normal(" addr %d: ", aa_args->adbaddr);
|
|
|
|
return rv;
|
|
}
|
|
|
|
#define DIFF19041970 2082844800
|
|
|
|
static int
|
|
adb_todr_get(todr_chip_handle_t tch, struct timeval *tvp)
|
|
{
|
|
unsigned long sec;
|
|
|
|
if (adb_read_date_time(&sec) != 0)
|
|
return EIO;
|
|
tvp->tv_sec = sec - DIFF19041970;
|
|
tvp->tv_usec = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
adb_todr_set(todr_chip_handle_t tch, struct timeval *tvp)
|
|
{
|
|
unsigned long sec;
|
|
|
|
sec = tvp->tv_sec + DIFF19041970;
|
|
return adb_set_date_time(sec) ? EIO : 0;
|
|
}
|
|
|
|
void
|
|
adb_todr_init(void)
|
|
{
|
|
static struct todr_chip_handle tch = {
|
|
.todr_gettime = adb_todr_get,
|
|
.todr_settime = adb_todr_set
|
|
};
|
|
|
|
todr_attach(&tch);
|
|
}
|