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/* $OpenBSD: com_gsc.c,v 1.21 2007/07/15 19:25:49 kettenis Exp $ */
/*
* Copyright (c) 1998-2003 Michael Shalayeff
* 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 OR HIS RELATIVES 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 MIND, 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/tty.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <hppa/dev/cpudevs.h>
#include <hppa/gsc/gscbusvar.h>
#define COM_GSC_FREQ 7372800
struct com_gsc_regs {
u_int8_t reset;
};
int com_gsc_probe(struct device *, void *, void *);
void com_gsc_attach(struct device *, struct device *, void *);
struct cfattach com_gsc_ca = {
sizeof(struct com_softc), com_gsc_probe, com_gsc_attach
};
int
com_gsc_probe(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct gsc_attach_args *ga = aux;
if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
(ga->ga_type.iodc_sv_model != HPPA_FIO_GRS232 &&
ga->ga_type.iodc_sv_model != HPPA_FIO_RS232 &&
ga->ga_type.iodc_sv_model != HPPA_FIO_GRJ16))
return (0);
return (1);
/* HOZER comprobe1(ga->ga_iot, ga->ga_hpa + IOMOD_DEVOFFSET); */
}
void
com_gsc_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct com_softc *sc = (void *)self;
struct gsc_attach_args *ga = aux;
sc->sc_iot = ga->ga_iot;
sc->sc_iobase = (bus_addr_t)ga->ga_hpa;
if (ga->ga_type.iodc_sv_model != HPPA_FIO_GRJ16)
sc->sc_iobase += IOMOD_DEVOFFSET;
if (bus_space_map(sc->sc_iot, sc->sc_iobase, COM_NPORTS,
0, &sc->sc_ioh)) {
printf(": cannot map io space\n");
return;
}
if (PAGE0->mem_cons.pz_class == PCL_DUPLEX &&
PAGE0->mem_cons.pz_hpa == ga->ga_hpa) {
bus_space_unmap(sc->sc_iot, sc->sc_ioh, COM_NPORTS);
comcnattach(sc->sc_iot, sc->sc_iobase, comdefaultrate,
COM_GSC_FREQ, comconscflag);
}
sc->sc_frequency = COM_GSC_FREQ;
com_attach_subr(sc);
sc->sc_ih = gsc_intr_establish((struct gsc_softc *)parent,
ga->ga_irq, IPL_TTY, comintr, sc, sc->sc_dev.dv_xname);
}
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