154 lines
4.7 KiB
C
154 lines
4.7 KiB
C
/* $NetBSD: pckbc_mainbus.c,v 1.3 2001/10/29 01:42:11 simonb Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc.
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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 NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* 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 WASABI SYSTEMS, INC
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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/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 <machine/autoconf.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <machine/walnut.h>
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#include <dev/ic/i8042reg.h>
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#include <dev/ic/pckbcvar.h>
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struct pckbc_mainbus_softc {
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struct pckbc_softc sc_pckbc;
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// XXX void *sc_ih[PCKBC_NSLOTS];
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int sc_irq[PCKBC_NSLOTS];
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};
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static int pckbc_mainbus_probe(struct device *, struct cfdata *, void *);
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static void pckbc_mainbus_attach(struct device *, struct device *, void *);
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static void pckbc_mainbus_intr_establish(struct pckbc_softc *, pckbc_slot_t);
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struct cfattach pckbc_mainbus_ca = {
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sizeof(struct pckbc_mainbus_softc), pckbc_mainbus_probe, pckbc_mainbus_attach
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};
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int pckbcfound = 0;
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int
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pckbc_mainbus_probe(struct device *parent, struct cfdata *cf, void *aux)
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{
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union mainbus_attach_args *maa = aux;
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/* match only pckbc devices */
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if (strcmp(maa->mba_rmb.rmb_name, cf->cf_driver->cd_name) != 0)
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return 0;
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return (pckbcfound < 1);
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}
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struct pckbc_softc *pckbc0; /* XXX */
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void
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pckbc_mainbus_attach(struct device *parent, struct device *self, void *aux)
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{
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struct pckbc_mainbus_softc *msc = (void *)self;
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struct pckbc_softc *sc = &msc->sc_pckbc;
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union mainbus_attach_args *maa = 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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bus_space_tag_t iot = galaxy_make_bus_space_tag(0, 0);
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u_long addr = maa->mba_rmb.rmb_addr;
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/*
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* Set up IRQs
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*/
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msc->sc_irq[PCKBC_KBD_SLOT] = maa->mba_rmb.rmb_irq;
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msc->sc_irq[PCKBC_AUX_SLOT] = maa->mba_rmb.rmb_irq + 1; /* XXX */
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sc->intr_establish = pckbc_mainbus_intr_establish;
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if (pckbc_is_console(iot, addr)) {
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t = &pckbc_consdata;
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pckbc_console_attached = 1;
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/* t->t_cmdbyte was initialized by cnattach */
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} else {
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if (bus_space_map(iot, addr + KEY_MOUSE_DATA, 1, 0, &ioh_d) ||
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bus_space_map(iot, addr + KEY_MOUSE_CMD, 1, 0, &ioh_c))
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panic("pckbc_attach: couldn't map");
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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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t->t_iot = iot;
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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 = addr;
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t->t_cmdbyte = KC8_CPU; /* Enable ports */
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}
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t->t_sc = sc;
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sc->id = t;
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printf("\n");
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/* Finish off the attach. */
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pckbc_attach(sc);
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pckbcfound++;
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return;
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}
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static void
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pckbc_mainbus_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
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{
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struct pckbc_mainbus_softc *msc = (void *)sc;
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int irq = msc->sc_irq[slot];
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if (slot > PCKBC_NSLOTS) {
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printf("pckbc_mainbus_intr_establish: attempt to establish "
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"interrupt at slot %d\n", slot);
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return;
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}
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intr_establish(irq, IST_LEVEL, IPL_SERIAL, pckbcintr, sc);
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printf("%s: %s slot interrupting at irq %d\n", sc->sc_dv.dv_xname,
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pckbc_slot_names[slot], irq);
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}
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