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/* $OpenBSD: pckbc_hpc.c,v 1.2 2012/10/03 22:46:09 miod Exp $ */
/* $NetBSD: pckbc_hpc.c,v 1.9 2008/03/15 13:23:24 cube Exp $ */
/*
* Copyright (c) 2003 Christopher SEKIYA
* 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 for the
* NetBSD Project. See http://www.NetBSD.org/ for
* information about NetBSD.
* 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/kernel.h>
#include <sys/malloc.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <sgi/hpc/hpcreg.h>
#include <sgi/hpc/hpcvar.h>
#include <sgi/sgi/ip22.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
struct pckbc_hpc_softc {
struct pckbc_softc sc_pckbc;
int sc_irq;
int sc_hasintr;
};
int pckbc_hpc_match(struct device *, void *, void *);
void pckbc_hpc_attach(struct device *, struct device *, void *);
void pckbc_hpc_intr_establish(struct pckbc_softc *, pckbc_slot_t);
const struct cfattach pckbc_hpc_ca = {
sizeof(struct pckbc_hpc_softc), pckbc_hpc_match, pckbc_hpc_attach
};
int
pckbc_hpc_match(struct device *parent, void *vcf, void *aux)
{
struct cfdata *cf = vcf;
struct hpc_attach_args *ha = aux;
/* keyboard controller is not wired on Challenge S */
if (sys_config.system_subtype == IP22_CHALLS)
return 0;
if (strcmp(ha->ha_name, cf->cf_driver->cd_name) == 0)
return 1;
return 0;
}
void
pckbc_hpc_attach(struct device *parent, struct device * self, void *aux)
{
struct pckbc_hpc_softc *msc = (struct pckbc_hpc_softc *)self;
struct pckbc_softc *sc = &msc->sc_pckbc;
struct hpc_attach_args *haa = aux;
struct pckbc_internal *t = NULL;
bus_space_handle_t ioh_d, ioh_c;
int console;
msc->sc_irq = haa->ha_irq;
msc->sc_hasintr = 0;
console = pckbc_is_console(haa->ha_st,
XKPHYS_TO_PHYS(haa->ha_sh + haa->ha_devoff + 3));
if (console) {
/* pckbc_cnattach() has already been called */
t = &pckbc_consdata;
pckbc_console_attached = 1;
} else {
if (bus_space_subregion(haa->ha_st, haa->ha_sh,
haa->ha_devoff + 3 + KBDATAP, 1, &ioh_d) ||
bus_space_subregion(haa->ha_st, haa->ha_sh,
haa->ha_devoff + 3 + KBCMDP, 1, &ioh_c)) {
printf(": couldn't map registers\n");
return;
}
t = malloc(sizeof(*t), M_DEVBUF, M_NOWAIT | M_ZERO);
t->t_iot = haa->ha_st;
t->t_ioh_c = ioh_c;
t->t_ioh_d = ioh_d;
}
sc->intr_establish = pckbc_hpc_intr_establish;
t->t_cmdbyte = KC8_CPU;
t->t_sc = sc;
sc->id = t;
printf("\n");
pckbc_attach(sc, 0);
}
void
pckbc_hpc_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
{
struct pckbc_hpc_softc *msc = (struct pckbc_hpc_softc *)sc;
if (msc->sc_hasintr)
return;
if (hpc_intr_establish(msc->sc_irq, IPL_TTY, pckbcintr, sc,
sc->sc_dv.dv_xname) == NULL) {
printf("%s: unable to establish interrupt for %s slot\n",
sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
} else {
msc->sc_hasintr = 1;
}
}
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