xref: /src/sys/arch/sgimips/hpc/pckbc_hpc.c

/* $NetBSD: pckbc_hpc.c,v 1.2 2003/12/04 13:05:17 keihan 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pckbc_hpc.c,v 1.2 2003/12/04 13:05:17 keihan 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/autoconf.h>
#include <machine/bus.h>
#include <machine/machtype.h>

#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>

#include <sgimips/hpc/hpcreg.h>
#include <sgimips/hpc/hpcvar.h>

struct pckbc_hpc_softc {
	struct pckbc_softc sc_pckbc;

	int             sc_irq[PCKBC_NSLOTS];
};

static int      pckbc_hpc_match(struct device *, struct cfdata *, void *);
static void     pckbc_hpc_attach(struct device *, struct device *, void *);
void            pckbc_hpc_intr_establish(struct pckbc_softc *, pckbc_slot_t);

CFATTACH_DECL(pckbc_hpc, sizeof(struct pckbc_hpc_softc),
	      pckbc_hpc_match, pckbc_hpc_attach, NULL, NULL);

static int
pckbc_hpc_match(struct device * parent, struct cfdata * cf, void *aux)
{
	struct hpc_attach_args *ha = aux;

	if (strcmp(ha->ha_name, cf->cf_name) == 0)
		return (1);

	return (0);
}

static void
pckbc_hpc_attach(struct device * parent, struct device * self, void *aux)
{
	struct pckbc_hpc_softc *msc = (void *) self;
	struct pckbc_softc *sc = &msc->sc_pckbc;
	struct hpc_attach_args *haa = aux;
	struct pckbc_internal *t;
	bus_space_handle_t ioh_d, ioh_c;

	msc->sc_irq[PCKBC_KBD_SLOT] =
		msc->sc_irq[PCKBC_AUX_SLOT] = haa->ha_irq;

	sc->intr_establish = pckbc_hpc_intr_establish;

	/* XXX should be bus_space_map() */
	if (bus_space_subregion(haa->ha_st, haa->ha_sh,
				haa->ha_devoff + KBDATAP, 1, &ioh_d) ||
	    bus_space_subregion(haa->ha_st, haa->ha_sh,
				haa->ha_devoff + KBCMDP, 1, &ioh_c))
		panic("pckbc_attach: couldn't map");

	t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK | M_ZERO);
	t->t_iot = haa->ha_st;
	t->t_ioh_d = ioh_d;
	t->t_ioh_c = ioh_c;
	t->t_addr = haa->ha_sh;
	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);
}

/* XXX */

/*
 * glue code to support old console code with the
 * mi keyboard controller driver
 */
int
pckbc_machdep_cnattach(pckbc_tag_t kbctag, pckbc_slot_t kbcslot)
{

	return (ENXIO);
}

void
pckbc_hpc_intr_establish(struct pckbc_softc * sc, pckbc_slot_t slot)
{

	cpu_intr_establish(msc->sc_irq, 0, pckbcintr, sc);
}