158 lines
4.4 KiB
C
158 lines
4.4 KiB
C
/* $NetBSD: gpbus.c,v 1.1.1.1 1999/09/16 12:23:32 takemura Exp $ */
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/*
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* Copyright (c) 1999, by UCHIYAMA Yasushi
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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. The name of the developer 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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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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/device.h>
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#include <machine/bus.h>
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#include <machine/platid.h>
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#include <machine/platid_mask.h>
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#include <hpcmips/vr/vripreg.h>
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#include <hpcmips/vr/vripvar.h>
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#include <hpcmips/vr/vrgiureg.h>
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#include "locators.h"
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int gpbusprint __P((void*, const char*));
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int gpbusmatch __P((struct device*, struct cfdata*, void*));
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void gpbusattach __P((struct device*, struct device*, void*));
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int gpbus_button_intr __P((void*));
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struct gpbus_softc {
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struct device sc_dev;
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vrgiu_chipset_tag_t sc_gc;
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vrgiu_function_tag_t sc_gf;
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u_int32_t sc_button_mask;
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};
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struct cfattach gpbus_ca = {
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sizeof(struct gpbus_softc), gpbusmatch, gpbusattach
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};
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int
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gpbusmatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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platid_mask_t mask;
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struct gpbus_attach_args *gpa = aux;
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if (strcmp(gpa->gpa_busname, match->cf_driver->cd_name))
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return 0;
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if (match->cf_loc[GPBUSIFCF_PLATFORM] == 0)
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return 0;
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mask = PLATID_DEREF(match->cf_loc[GPBUSIFCF_PLATFORM]);
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if (!platid_match(&platid, &mask))
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return 0;
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return 1;
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}
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int
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gpbus_button_intr(arg)
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void *arg;
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{
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struct gpbus_softc *sc = arg;
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u_int32_t reg, regb, mask;
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reg = sc->sc_gf->gf_regread_4(sc->sc_gc, GIUINTSTAT_REG);
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mask = sc->sc_button_mask;
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regb = reg & mask;
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printf ("button");
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bitdisp32(regb);
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/* Clear interrupt */
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sc->sc_gf->gf_regwrite_4(sc->sc_gc, GIUINTSTAT_REG, reg & ~mask);
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return 0;
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}
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void
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gpbusattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct gpbus_attach_args *gpa = aux;
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int port;
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int *loc;
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int mode;
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struct gpbus_softc *sc = (void*)self;
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sc->sc_gc = gpa->gpa_gc;
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sc->sc_gf = gpa->gpa_gf;
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loc = sc->sc_dev.dv_cfdata->cf_loc;
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printf (" comctrl=%d button=[%d %d %d %d %d %d %d %d %d %d %d %d]\n",
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loc[GPBUSIFCF_COMCTRL],
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loc[GPBUSIFCF_BUTTON0],
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loc[GPBUSIFCF_BUTTON1],
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loc[GPBUSIFCF_BUTTON2],
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loc[GPBUSIFCF_BUTTON3],
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loc[GPBUSIFCF_BUTTON4],
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loc[GPBUSIFCF_BUTTON5],
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loc[GPBUSIFCF_BUTTON6],
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loc[GPBUSIFCF_BUTTON7],
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loc[GPBUSIFCF_BUTTON8],
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loc[GPBUSIFCF_BUTTON9],
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loc[GPBUSIFCF_BUTTON10],
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loc[GPBUSIFCF_BUTTON11]
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);
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/*
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* COM control
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*/
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if ((port = loc[GPBUSIFCF_COMCTRL]) != GPBUSIFCF_COMCTRL)
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gpa->gpa_gf->gf_map(gpa->gpa_gc, GIUPORT_COM, port);
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/*
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* Button
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*/
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sc->sc_button_mask = 0;
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#if 1 /* Windows CE default */
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mode = VRGIU_INTR_EDGE_HOLD;
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#else /* XXX Don't challenge! Freestyle Only */
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mode = VRGIU_INTR_LEVEL_LOW_HOLD;
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#endif
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#define ESTABLISH_BUTTON_INTR(n) \
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if ((port = loc[GPBUSIFCF_BUTTON##n]) != GPBUSIFCF_BUTTON##n##_DEFAULT) { \
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sc->sc_gf->gf_intr_establish(sc->sc_gc, port, mode, IPL_TTY, gpbus_button_intr, sc); \
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sc->sc_button_mask |= (1 << port); \
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}
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ESTABLISH_BUTTON_INTR(0);
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ESTABLISH_BUTTON_INTR(1);
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ESTABLISH_BUTTON_INTR(2);
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ESTABLISH_BUTTON_INTR(3);
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ESTABLISH_BUTTON_INTR(4);
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ESTABLISH_BUTTON_INTR(5);
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ESTABLISH_BUTTON_INTR(6);
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ESTABLISH_BUTTON_INTR(7);
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ESTABLISH_BUTTON_INTR(8);
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ESTABLISH_BUTTON_INTR(9);
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ESTABLISH_BUTTON_INTR(10);
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ESTABLISH_BUTTON_INTR(11);
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}
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