NetBSD/sys/dev/ofisa/pckbc_ofisa.c

168 lines
5.3 KiB
C

/* $NetBSD: pckbc_ofisa.c,v 1.2 2001/11/13 07:29:45 lukem Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. All rights reserved.
* Copyright (c) 2001
* Matt Thomas. 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
* by Matthias Drochner.
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pckbc_ofisa.c,v 1.2 2001/11/13 07:29:45 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/errno.h>
#include <sys/queue.h>
#include <sys/lock.h>
#include <machine/bus.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofisa/ofisavar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
static int pckbc_ofisa_match (struct device *, struct cfdata *, void *);
static void pckbc_ofisa_attach (struct device *, struct device *, void *);
struct pckbc_ofisa_softc {
struct pckbc_softc sc_pckbc;
isa_chipset_tag_t sc_ic;
struct ofisa_intr_desc sc_intr[PCKBC_NSLOTS];
};
struct cfattach pckbc_ofisa_ca = {
sizeof(struct pckbc_ofisa_softc), pckbc_ofisa_match, pckbc_ofisa_attach,
};
static void pckbc_ofisa_intr_establish (struct pckbc_softc *, pckbc_slot_t);
static const char *kb_compatible_strings[] = { "pnpPNP,303", NULL };
static const char *ms_compatible_strings[] = { "pnpPNP,f03", NULL };
static int
pckbc_ofisa_match(struct device *parent, struct cfdata *match, void *aux)
{
struct ofisa_attach_args *aa = aux;
static const char *compatible_strings[] = { "INTC,80c42", NULL };
int rv = 0;
if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1)
rv = 5;
return (rv);
}
static void
pckbc_ofisa_attach(struct device *parent, struct device *self, void *aux)
{
struct pckbc_ofisa_softc *osc = (void *)self;
struct pckbc_softc *sc = &osc->sc_pckbc;
struct ofisa_attach_args *aa = aux;
struct pckbc_internal *t;
bus_space_tag_t iot;
bus_space_handle_t ioh_d, ioh_c;
struct ofisa_reg_desc regs[2];
int phandle;
int n;
osc->sc_ic = aa->ic;
iot = aa->iot;
phandle = OF_child(aa->oba.oba_phandle);
while (phandle != 0) {
if (of_compatible(phandle, kb_compatible_strings) != -1) {
ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_KBD_SLOT], 1);
} else if (of_compatible(phandle, ms_compatible_strings) != -1) {
ofisa_intr_get(phandle, &osc->sc_intr[PCKBC_AUX_SLOT], 1);
}
phandle = OF_peer(phandle);
}
sc->intr_establish = pckbc_ofisa_intr_establish;
if (pckbc_is_console(iot, IO_KBD)) {
t = &pckbc_consdata;
ioh_d = t->t_ioh_d;
ioh_c = t->t_ioh_c;
pckbc_console_attached = 1;
/* t->t_cmdbyte was initialized by cnattach */
} else {
n = ofisa_reg_get(aa->oba.oba_phandle, regs, 2);
if (n != 2 || regs[0].type != OFISA_REG_TYPE_IO || regs[1].type != OFISA_REG_TYPE_IO
|| bus_space_map(iot, regs[0].addr, regs[0].len, 0, &ioh_d)
|| bus_space_map(iot, regs[1].addr, regs[1].len, 0, &ioh_c))
panic("pckbc_attach: couldn't map");
t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
bzero(t, sizeof(struct pckbc_internal));
t->t_iot = iot;
t->t_ioh_d = ioh_d;
t->t_ioh_c = ioh_c;
t->t_addr = regs[0].addr;
t->t_cmdbyte = KC8_CPU; /* Enable ports */
callout_init(&t->t_cleanup);
}
t->t_sc = sc;
sc->id = t;
printf("\n");
/* Finish off the attach. */
pckbc_attach(sc);
}
static void
pckbc_ofisa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
{
struct pckbc_ofisa_softc *osc = (void *) sc;
void *rv;
rv = isa_intr_establish(osc->sc_ic, osc->sc_intr[slot].irq, osc->sc_intr[slot].share,
IPL_TTY, pckbcintr, sc);
if (rv == NULL) {
printf("%s: unable to establish interrupt for %s slot\n",
sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
} else {
printf("%s: using irq %d for %s slot\n", sc->sc_dv.dv_xname,
osc->sc_intr[slot].irq, pckbc_slot_names[slot]);
}
}