110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/* $NetBSD: com_isapnp.c,v 1.29 2008/04/28 20:23:52 martin Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1997 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Michael Graff <explorer@flame.org>.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: com_isapnp.c,v 1.29 2008/04/28 20:23:52 martin Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/syslog.h>
|
|
#include <sys/device.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/termios.h>
|
|
|
|
#include <sys/bus.h>
|
|
|
|
#include <dev/isa/isavar.h>
|
|
#include <dev/isa/isadmavar.h>
|
|
|
|
#include <dev/isapnp/isapnpreg.h>
|
|
#include <dev/isapnp/isapnpvar.h>
|
|
#include <dev/isapnp/isapnpdevs.h>
|
|
|
|
#include <dev/ic/comvar.h>
|
|
#include <dev/ic/comreg.h>
|
|
|
|
struct com_isapnp_softc {
|
|
struct com_softc sc_com; /* real "com" softc */
|
|
|
|
/* ISAPnP-specific goo. */
|
|
void *sc_ih; /* interrupt handler */
|
|
};
|
|
|
|
int com_isapnp_match(device_t, cfdata_t , void *);
|
|
void com_isapnp_attach(device_t, device_t, void *);
|
|
|
|
CFATTACH_DECL_NEW(com_isapnp, sizeof(struct com_isapnp_softc),
|
|
com_isapnp_match, com_isapnp_attach, NULL, NULL);
|
|
|
|
int
|
|
com_isapnp_match(device_t parent, cfdata_t match, void *aux)
|
|
{
|
|
int pri, variant;
|
|
|
|
pri = isapnp_devmatch(aux, &isapnp_com_devinfo, &variant);
|
|
if (pri && variant > 0)
|
|
pri = 0;
|
|
return (pri);
|
|
}
|
|
|
|
void
|
|
com_isapnp_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct com_isapnp_softc *isc = device_private(self);
|
|
struct com_softc *sc = &isc->sc_com;
|
|
struct isapnp_attach_args *ipa = aux;
|
|
|
|
sc->sc_dev = self;
|
|
|
|
if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
|
|
aprint_error_dev(self, "error in region allocation\n");
|
|
return;
|
|
}
|
|
|
|
COM_INIT_REGS(sc->sc_regs, ipa->ipa_iot, ipa->ipa_io[0].h,
|
|
ipa->ipa_io[0].base);
|
|
|
|
/*
|
|
* if the chip isn't something we recognise skip it.
|
|
*/
|
|
if (com_probe_subr(&sc->sc_regs) == 0)
|
|
return;
|
|
|
|
sc->sc_frequency = 115200 * 16; /* is that always right? */
|
|
|
|
com_attach_subr(sc);
|
|
|
|
isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
|
|
ipa->ipa_irq[0].type, IPL_SERIAL, comintr, sc);
|
|
}
|