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/* $OpenBSD: lm_isa.c,v 1.3 2003/06/29 21:17:07 grange Exp $ */
/* $NetBSD: lm_isa.c,v 1.9 2002/11/15 14:55:44 ad Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Bill Squier.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/sensors.h>
#include <machine/bus.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ic/nslm7xvar.h>
#if defined(LMDEBUG)
#define DPRINTF(x) do { printf x; } while (0)
#else
#define DPRINTF(x)
#endif
int lm_isa_match(struct device *, void *, void *);
void lm_isa_attach(struct device *, struct device *, void *);
u_int8_t lm_isa_readreg(struct lm_softc *, int);
void lm_isa_writereg(struct lm_softc *, int, int);
struct cfattach lm_isa_ca = {
sizeof(struct lm_softc),
lm_isa_match,
lm_isa_attach
};
int
lm_isa_match(struct device *parent, void *match, void *aux)
{
bus_space_tag_t iot;
bus_space_handle_t ioh;
struct isa_attach_args *ia = aux;
int iobase;
int rv;
#ifdef __NetBSD__
if (ISA_DIRECT_CONFIG(ia))
return (0);
if (ia->ipa_io[0].ir_addr == ISACF_PORT_DEFAULT)
return (0);
#endif
iot = ia->ia_iot;
iobase = ia->ipa_io[0].base;
if (bus_space_map(iot, iobase, 8, 0, &ioh)) {
DPRINTF(("%s: can't map i/o space\n", __func__));
return (0);
}
/* Bus independent probe */
rv = lm_probe(iot, ioh);
bus_space_unmap(iot, ioh, 8);
if (rv) {
ia->ipa_nio = 1;
ia->ipa_io[0].length = 8;
ia->ipa_nmem = 0;
ia->ipa_nirq = 0;
ia->ipa_ndrq = 0;
}
return (rv);
}
void
lm_isa_attach(struct device *parent, struct device *self, void *aux)
{
struct lm_softc *lmsc = (void *)self;
int iobase;
bus_space_tag_t iot;
struct isa_attach_args *ia = aux;
iobase = ia->ipa_io[0].base;
iot = lmsc->lm_iot = ia->ia_iot;
if (bus_space_map(iot, iobase, 8, 0, &lmsc->lm_ioh)) {
printf(": can't map i/o space\n");
return;
}
/* Bus-independant attachment */
lmsc->lm_writereg = lm_isa_writereg;
lmsc->lm_readreg = lm_isa_readreg;
lm_attach(lmsc);
}
u_int8_t
lm_isa_readreg(struct lm_softc *sc, int reg)
{
bus_space_write_1(sc->lm_iot, sc->lm_ioh, LMC_ADDR, reg);
return (bus_space_read_1(sc->lm_iot, sc->lm_ioh, LMC_DATA));
}
void
lm_isa_writereg(struct lm_softc *sc, int reg, int val)
{
bus_space_write_1(sc->lm_iot, sc->lm_ioh, LMC_ADDR, reg);
bus_space_write_1(sc->lm_iot, sc->lm_ioh, LMC_DATA, val);
}
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