/* $NetBSD: intio.c,v 1.31 2021/08/07 16:18:53 thorpej Exp $ */
/*-
* Copyright (c) 1996, 1998, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Autoconfiguration support for hp300 internal i/o space.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: intio.c,v 1.31 2021/08/07 16:18:53 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/hp300spu.h>
#include <hp300/dev/intioreg.h>
#include <hp300/dev/intiovar.h>
struct intio_softc {
device_t sc_dev;
struct bus_space_tag sc_tag;
};
static int intiomatch(device_t, cfdata_t, void *);
static void intioattach(device_t, device_t, void *);
static int intioprint(void *, const char *);
CFATTACH_DECL_NEW(intio, sizeof(struct intio_softc),
intiomatch, intioattach, NULL, NULL);
#if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
defined(HP380) || defined(HP385)
static const struct intio_builtins intio_3xx_builtins[] = {
{ "rtc", RTC_BASE, -1},
{ "hil", HIL_BASE, 1},
{ "hpib", HPIB_BASE, 3},
{ "dma", DMA_BASE, 1},
{ "fb", FB_BASE, -1},
};
#define nintio_3xx_builtins __arraycount(intio_3xx_builtins)
#endif
#if defined(HP362)
static const struct intio_builtins intio_362_builtins[] = {
{ "rtc", RTC_BASE, -1},
{ "hil", HIL_BASE, 1},
{ "hpib", HPIB_BASE, 3},
{ "dma", DMA_BASE, 1},
};
#define nintio_362_builtins __arraycount(intio_362_builtins)
#endif
#if defined(HP382)
static const struct intio_builtins intio_382_builtins[] = {
{ "rtc", RTC_BASE, -1},
{ "frodo", FRODO_BASE, 5},
{ "hil", HIL_BASE, 1},
{ "hpib", HPIB_BASE, 3},
{ "dma", DMA_BASE, 1},
};
#define nintio_382_builtins __arraycount(intio_382_builtins)
#endif
#if defined(HP400) || defined(HP425) || defined(HP433)
static const struct intio_builtins intio_4xx_builtins[] = {
{ "rtc", RTC_BASE, -1},
{ "frodo", FRODO_BASE, 5},
{ "hil", HIL_BASE, 1},
{ "hpib", HPIB_BASE, 3},
{ "dma", DMA_BASE, 1},
};
#define nintio_4xx_builtins __arraycount(intio_4xx_builtins)
#endif
static int intio_matched = 0;
extern void *internalhpib;
static int
intiomatch(device_t parent, cfdata_t cf, void *aux)
{
/* Allow only one instance. */
if (intio_matched)
return 0;
intio_matched = 1;
return 1;
}
static void
intioattach(device_t parent, device_t self, void *aux)
{
struct intio_softc *sc = device_private(self);
struct intio_attach_args ia;
const struct intio_builtins *ib;
bus_space_tag_t bst = &sc->sc_tag;
int ndevs;
int i;
sc->sc_dev = self;
aprint_normal("\n");
memset(bst, 0, sizeof(struct bus_space_tag));
bst->bustype = HP300_BUS_SPACE_INTIO;
switch (machineid) {
#if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \
defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \
defined(HP380) || defined(HP385)
case HP_320:
case HP_330:
case HP_340:
case HP_345:
case HP_350:
case HP_360:
case HP_370:
case HP_375:
case HP_380:
case HP_385:
ib = intio_3xx_builtins;
ndevs = nintio_3xx_builtins;
break;
#endif
#if defined(HP362)
case HP_362:
ib = intio_362_builtins;
ndevs = nintio_362_builtins;
break;
#endif
#if defined(HP382)
case HP_382:
ib = intio_382_builtins;
ndevs = nintio_382_builtins;
break;
#endif
#if defined(HP400) || defined(HP425) || defined(HP433)
case HP_400:
case HP_425:
case HP_433:
ib = intio_4xx_builtins;
ndevs = nintio_4xx_builtins;
break;
#endif
default:
return;
}
memset(&ia, 0, sizeof(ia));
for (i = 0; i < ndevs; i++) {
/*
* Internal HP-IB doesn't always return a device ID,
* so we rely on the sysflags.
*/
if (ib[i].ib_offset == HPIB_BASE && !internalhpib)
continue;
strlcpy(ia.ia_modname, ib[i].ib_modname,
sizeof(ia.ia_modname));
ia.ia_bst = bst;
ia.ia_iobase = ib[i].ib_offset;
ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset);
ia.ia_ipl = ib[i].ib_ipl;
config_found(self, &ia, intioprint, CFARGS_NONE);
}
}
static int
intioprint(void *aux, const char *pnp)
{
struct intio_attach_args *ia = aux;
if (pnp != NULL)
aprint_normal("%s at %s", ia->ia_modname, pnp);
if (ia->ia_iobase != 0 && pnp == NULL) {
aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase);
if (ia->ia_ipl != -1)
aprint_normal(" ipl %d", ia->ia_ipl);
}
return UNCONF;
}