147 lines
4.4 KiB
C
147 lines
4.4 KiB
C
/* $NetBSD: pckbc_hpc.c,v 1.9 2008/03/15 13:23:24 cube Exp $ */
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/*
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* Copyright (c) 2003 Christopher SEKIYA
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* All rights reserved.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the
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* NetBSD Project. See http://www.NetBSD.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE 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_hpc.c,v 1.9 2008/03/15 13:23:24 cube Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/errno.h>
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#include <sys/queue.h>
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#include <sys/bus.h>
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#include <machine/autoconf.h>
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#include <machine/machtype.h>
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#include <dev/ic/i8042reg.h>
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#include <dev/ic/pckbcvar.h>
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#include <sgimips/hpc/hpcreg.h>
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#include <sgimips/hpc/hpcvar.h>
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struct pckbc_hpc_softc {
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struct pckbc_softc sc_pckbc;
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int sc_irq;
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int sc_hasintr;
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};
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static int pckbc_hpc_match(device_t, cfdata_t, void *);
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static void pckbc_hpc_attach(device_t, device_t, void *);
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static void pckbc_hpc_intr_establish(struct pckbc_softc *, pckbc_slot_t);
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CFATTACH_DECL_NEW(pckbc_hpc, sizeof(struct pckbc_hpc_softc),
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pckbc_hpc_match, pckbc_hpc_attach, NULL, NULL);
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static int
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pckbc_hpc_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct hpc_attach_args *ha = aux;
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if (strcmp(ha->ha_name, cf->cf_name) == 0)
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return (1);
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return (0);
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}
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static void
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pckbc_hpc_attach(device_t parent, device_t self, void *aux)
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{
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struct pckbc_hpc_softc *msc = device_private(self);
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struct pckbc_softc *sc = &msc->sc_pckbc;
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struct hpc_attach_args *haa = aux;
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struct pckbc_internal *t;
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bus_space_handle_t ioh_d, ioh_c;
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sc->sc_dv = self;
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msc->sc_irq = haa->ha_irq;
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msc->sc_hasintr = 0;
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sc->intr_establish = pckbc_hpc_intr_establish;
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/* XXX Ugly hack & kludge XXX */
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if (pckbc_is_console(haa->ha_st, MIPS_KSEG1_TO_PHYS(haa->ha_sh +
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haa->ha_devoff))) {
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t = &pckbc_consdata;
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pckbc_console_attached = 1;
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} else {
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/* XXX should be bus_space_map() */
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if (bus_space_subregion(haa->ha_st, haa->ha_sh,
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haa->ha_devoff + KBDATAP, 1, &ioh_d) ||
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bus_space_subregion(haa->ha_st, haa->ha_sh,
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haa->ha_devoff + KBCMDP, 1, &ioh_c))
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panic("pckbc_hpc_attach: couldn't map");
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t = malloc(sizeof(struct pckbc_internal), M_DEVBUF,
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M_WAITOK | M_ZERO);
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t->t_iot = haa->ha_st;
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t->t_ioh_d = ioh_d;
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t->t_ioh_c = ioh_c;
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t->t_addr = haa->ha_sh;
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t->t_cmdbyte = KC8_CPU; /* Enable ports */
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callout_init(&t->t_cleanup, 0);
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}
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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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/* Finish off the attach. */
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pckbc_attach(sc);
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}
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static void
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pckbc_hpc_intr_establish(struct pckbc_softc * sc, pckbc_slot_t slot)
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{
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struct pckbc_hpc_softc *msc = (void *) sc;
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if (msc->sc_hasintr)
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return;
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if (cpu_intr_establish(msc->sc_irq, IPL_TTY, pckbcintr, sc) == NULL) {
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aprint_error_dev(sc->sc_dv,
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"unable to establish interrupt for %s slot\n",
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pckbc_slot_names[slot]);
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} else {
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msc->sc_hasintr = 1;
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}
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}
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