216 lines
6.1 KiB
C
216 lines
6.1 KiB
C
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/* $NetBSD: pwctl.c,v 1.1 2001/04/30 10:09:14 takemura Exp $ */
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/*-
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* Copyright (c) 1999
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* Shin Takemura and PocketBSD Project. All rights reserved.
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* Copyright (c) 2000,2001
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* SATO Kazumi. 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 by the PocketBSD project
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* and its contributors.
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* 4. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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/config_hook.h>
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#include <machine/platid.h>
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#include <machine/platid_mask.h>
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#include <dev/hpc/hpciovar.h>
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#include "opt_vr41xx.h"
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#include <hpcmips/vr/vripvar.h>
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#include "locators.h"
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#define PWCTLVRGIUDEBUG
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#ifdef PWCTLVRGIUDEBUG
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int pwctl_vrgiu_debug = 0;
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#define DPRINTF(arg) if (pwctl_vrgiu_debug) printf arg;
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#else
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#define DPRINTF(arg)
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#endif
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struct pwctl_vrgiu_softc {
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struct device sc_dev;
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hpcio_chip_t sc_hc;
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int sc_port;
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long sc_id;
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int sc_on, sc_off;
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config_hook_tag sc_hook_tag;
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config_hook_tag sc_hook_hardpower;
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config_hook_tag sc_ghook_tag;
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int sc_save;
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int sc_initvalue;
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};
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static int pwctl_vrgiu_match __P((struct device *, struct cfdata *,
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void *));
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static void pwctl_vrgiu_attach __P((struct device *, struct device *,
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void *));
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static int pwctl_vrgiu_hook __P((void *ctx, int type, long id,
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void *msg));
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static int pwctl_vrgiu_ghook __P((void *ctx, int type, long id,
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void *msg));
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int pwctl_vrgiu_hardpower __P((void *, int, long, void *));
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struct cfattach pwctl_vrgiu_ca = {
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sizeof(struct pwctl_vrgiu_softc), pwctl_vrgiu_match, pwctl_vrgiu_attach
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};
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int
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pwctl_vrgiu_match(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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if (match->cf_loc[HPCIOIFCF_PLATFORM] == 0)
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return 0;
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mask = PLATID_DEREF(match->cf_loc[HPCIOIFCF_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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void
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pwctl_vrgiu_attach(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 hpcio_attach_args *haa = aux;
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int *loc;
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struct pwctl_vrgiu_softc *sc = (void*)self;
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sc->sc_hc = (*haa->haa_getchip)(haa->haa_sc, VRIP_IOCHIP_VRGIU);
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loc = sc->sc_dev.dv_cfdata->cf_loc;
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sc->sc_port = loc[HPCIOIFCF_PORT];
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sc->sc_id = loc[HPCIOIFCF_ID];
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sc->sc_on = loc[HPCIOIFCF_ACTIVE] ? 1 : 0;
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sc->sc_off = loc[HPCIOIFCF_ACTIVE] ? 0 : 1;
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sc->sc_initvalue = loc[HPCIOIFCF_INITVALUE];
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printf(" port=%d id=%ld on=%d%s",
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sc->sc_port, sc->sc_id, sc->sc_on,
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sc->sc_initvalue == -1 ? "" :
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sc->sc_initvalue ? " init=on" : " init=off");
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if (sc->sc_port == HPCIOIFCF_PORT_DEFAULT ||
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sc->sc_id == HPCIOIFCF_ID_DEFAULT) {
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printf(" (ignored)");
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} else {
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sc->sc_hook_tag = config_hook(CONFIG_HOOK_POWERCONTROL,
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sc->sc_id, CONFIG_HOOK_SHARE,
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pwctl_vrgiu_hook, sc);
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sc->sc_ghook_tag = config_hook(CONFIG_HOOK_GET,
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sc->sc_id, CONFIG_HOOK_SHARE,
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pwctl_vrgiu_ghook, sc);
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sc->sc_hook_hardpower = config_hook(CONFIG_HOOK_PMEVENT,
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CONFIG_HOOK_PMEVENT_HARDPOWER,
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CONFIG_HOOK_SHARE,
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pwctl_vrgiu_hardpower, sc);
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}
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if (sc->sc_initvalue != -1)
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hpcio_portwrite(sc->sc_hc, sc->sc_port,
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sc->sc_initvalue ? sc->sc_on : sc->sc_off);
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printf("\n");
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}
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int
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pwctl_vrgiu_hook(ctx, type, id, msg)
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void *ctx;
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int type;
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long id;
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void *msg;
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{
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struct pwctl_vrgiu_softc *sc = ctx;
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DPRINTF(("pwctl hook: port %d %s(%d)", sc->sc_port,
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msg ? "ON" : "OFF", msg ? sc->sc_on : sc->sc_off));
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hpcio_portwrite(sc->sc_hc, sc->sc_port,
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msg ? sc->sc_on : sc->sc_off);
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return (0);
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}
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int
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pwctl_vrgiu_ghook(ctx, type, id, msg)
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void *ctx;
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int type;
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long id;
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void *msg;
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{
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struct pwctl_vrgiu_softc *sc = ctx;
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if (CONFIG_HOOK_VALUEP(msg))
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return 1;
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*(int*)msg = hpcio_portread(sc->sc_hc, sc->sc_port) == sc->sc_on;
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DPRINTF(("pwctl ghook: port %d %s(%d)", sc->sc_port,
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*(int*)msg? "ON" : "OFF", *(int*)msg ? sc->sc_on : sc->sc_off));
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return 0;
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}
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int
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pwctl_vrgiu_hardpower(ctx, type, id, msg)
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void *ctx;
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int type;
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long id;
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void *msg;
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{
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struct pwctl_vrgiu_softc *sc = ctx;
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int why =(int)msg;
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#if 0
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/* XXX debug print cause hang system... Huum...*/
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DPRINTF(("pwctl hardpower: port %d %s: %s(%d)\n", sc->sc_port,
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why == PWR_RESUME? "resume"
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: why == PWR_SUSPEND? "suspend" : "standby",
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sc->sc_save == sc->sc_on ? "on": "off", sc->sc_save));
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#endif /* 0 */
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switch (why) {
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case PWR_STANDBY:
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break;
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case PWR_SUSPEND:
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sc->sc_save = hpcio_portread(sc->sc_hc, sc->sc_port);
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hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_off);
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break;
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case PWR_RESUME:
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hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_save);
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break;
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}
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return (0);
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}
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