124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/* $NetBSD: pckbc_elb.c,v 1.6 2008/04/28 20:23:17 martin Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Juergen Hannken-Illjes.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pckbc_elb.c,v 1.6 2008/04/28 20:23:17 martin Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <machine/bus.h>
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#include <dev/ic/i8042reg.h>
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#include <dev/ic/pckbcvar.h>
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#include <evbppc/explora/dev/elbvar.h>
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struct pckbc_elb_softc {
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struct pckbc_softc sc_pckbc;
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int sc_irq;
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};
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static int pckbc_elb_probe(device_t, cfdata_t, void *);
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static void pckbc_elb_attach(device_t, device_t, void *);
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static void pckbc_elb_intr_establish(struct pckbc_softc *, pckbc_slot_t);
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CFATTACH_DECL_NEW(pckbc_elb, sizeof(struct pckbc_elb_softc),
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pckbc_elb_probe, pckbc_elb_attach, NULL, NULL);
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int
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pckbc_elb_probe(device_t parent, cfdata_t cf, void *aux)
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{
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struct elb_attach_args *oaa = aux;
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if (strcmp(oaa->elb_name, cf->cf_name) != 0)
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return 0;
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return (1);
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}
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void
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pckbc_elb_attach(device_t parent, device_t self, void *aux)
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{
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struct pckbc_elb_softc *msc = device_private(self);
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struct pckbc_softc *sc = &msc->sc_pckbc;
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struct elb_attach_args *eaa = aux;
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struct pckbc_internal *t;
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sc->sc_dv = self;
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/*
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* Setup interrupt data.
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*/
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msc->sc_irq = eaa->elb_irq;
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sc->intr_establish = pckbc_elb_intr_establish;
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if (pckbc_is_console(eaa->elb_bt, eaa->elb_base)) {
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t = &pckbc_consdata;
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pckbc_console_attached = 1;
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} else {
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t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
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memset(t, 0, sizeof(struct pckbc_internal));
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}
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t->t_iot = eaa->elb_bt;
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bus_space_map(eaa->elb_bt,
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_BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base), 1, 0, &t->t_ioh_d);
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bus_space_map(eaa->elb_bt,
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_BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base2), 1, 0, &t->t_ioh_c);
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t->t_addr = eaa->elb_base;
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t->t_sc = sc;
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sc->id = t;
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aprint_normal("\n");
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pckbc_attach(sc);
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}
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static void
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pckbc_elb_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
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{
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struct pckbc_elb_softc *msc = (void *)sc;
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int irq = msc->sc_irq;
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/*
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* We ignore slot since all slots use the same interrupt.
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*/
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if (irq >= 0)
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intr_establish(irq, IST_LEVEL, IPL_SERIAL, pckbcintr, sc);
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irq = -1;
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}
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