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/* $OpenBSD: com_gsc.c,v 1.5 1999/08/16 02:48:39 mickey Exp $ */
/*
* Copyright (c) 1998 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 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/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 COMGSC_OFFSET 0x800
struct com_gsc_regs {
u_int8_t reset;
};
int com_gsc_probe __P((struct device *, void *, void *));
void com_gsc_attach __P((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;
{
register 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)))
return 0;
return comprobe1(ga->ga_iot, ga->ga_hpa + COMGSC_OFFSET);
}
void
com_gsc_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
register struct com_softc *sc = (void *)self;
register struct gsc_attach_args *ga = aux;
sc->sc_hwflags = 0;
sc->sc_swflags = 0;
sc->sc_iot = ga->ga_iot;
sc->sc_ioh = ga->ga_hpa + COMGSC_OFFSET;
sc->sc_iobase = (bus_addr_t)ga->ga_hpa + COMGSC_OFFSET;
#if notyet
*(volatile u_int8_t *)ga->ga_hpa = 0xd0; /* reset */
DELAY(1000);
#endif
com_attach_subr(sc);
sc->sc_ih = gsc_intr_establish((struct gsc_softc *)parent, IPL_TTY,
ga->ga_irq, comintr, sc, &sc->sc_dev);
}
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