Add acpi apm attachment based on sysmon hooks.
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christos
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/* $NetBSD: acpi_apm.c,v 1.1 2006/07/08 20:23:53 christos Exp $ */
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/*-
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* Copyright (c) 2006 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas and by Jared McNeill.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS
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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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/*
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* Autoconfiguration support for the Intel ACPI Component Architecture
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* ACPI reference implementation.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: acpi_apm.c,v 1.1 2006/07/08 20:23:53 christos Exp $");
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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 <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/sysctl.h>
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#include <sys/select.h>
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#include <sys/envsys.h>
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#include <dev/sysmon/sysmonvar.h>
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#include <dev/acpi/acpica.h>
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#include <dev/apm/apmvar.h>
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static void acpiapm_disconnect(void *);
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static void acpiapm_enable(void *, int);
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static int acpiapm_set_powstate(void *, u_int, u_int);
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static int acpiapm_get_powstat(void *, u_int, struct apm_power_info *);
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static int acpiapm_get_event(void *, u_int *, u_int *);
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static void acpiapm_cpu_busy(void *);
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static void acpiapm_cpu_idle(void *);
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static void acpiapm_get_capabilities(void *, u_int *, u_int *);
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struct apm_accessops acpiapm_accessops = {
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acpiapm_disconnect,
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acpiapm_enable,
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acpiapm_set_powstate,
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acpiapm_get_powstat,
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acpiapm_get_event,
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acpiapm_cpu_busy,
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acpiapm_cpu_idle,
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acpiapm_get_capabilities,
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};
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#ifdef ACPI_APM_DEBUG
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#define DPRINTF(a) uprintf a
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#else
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#define DPRINTF(a)
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#endif
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struct acpi_softc;
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extern ACPI_STATUS acpi_enter_sleep_state(struct acpi_softc *, int);
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static int acpiapm_match(struct device *, struct cfdata *, void *);
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static void acpiapm_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(acpiapm, sizeof(struct apm_softc),
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acpiapm_match, acpiapm_attach, NULL, NULL);
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static int
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acpiapm_match(struct device *parent, struct cfdata *match, void *aux)
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{
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return apm_match();
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}
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static void
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acpiapm_attach(struct device *parent, struct device *self, void *aux)
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{
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struct apm_softc *sc = (struct apm_softc *)self;
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sc->sc_ops = &acpiapm_accessops;
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sc->sc_cookie = parent;
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sc->sc_vers = 0x0102;
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sc->sc_detail = 0;
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sc->sc_hwflags = APM_F_DONT_RUN_HOOKS;
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apm_attach(sc);
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}
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/*****************************************************************************
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* Minimalistic ACPI /dev/apm emulation support, for ACPI suspend
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*****************************************************************************/
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static void
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acpiapm_disconnect(void *opaque)
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{
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return;
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}
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static void
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acpiapm_enable(void *opaque, int onoff)
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{
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return;
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}
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static int
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acpiapm_set_powstate(void *opaque, u_int devid, u_int powstat)
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{
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struct acpi_softc *sc = opaque;
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if (devid != APM_DEV_ALLDEVS)
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return APM_ERR_UNRECOG_DEV;
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switch (powstat) {
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case APM_SYS_READY:
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break;
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case APM_SYS_STANDBY:
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acpi_enter_sleep_state(sc, ACPI_STATE_S1);
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break;
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case APM_SYS_SUSPEND:
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acpi_enter_sleep_state(sc, ACPI_STATE_S3);
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break;
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case APM_SYS_OFF:
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break;
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case APM_LASTREQ_INPROG:
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break;
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case APM_LASTREQ_REJECTED:
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break;
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}
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return 0;
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}
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static int
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acpiapm_get_powstat(void *opaque, u_int batteryid, struct apm_power_info *pinfo)
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{
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int i, curcap, lowcap, warncap, cap, descap, lastcap, discharge;
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envsys_tre_data_t etds;
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envsys_basic_info_t ebis;
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curcap = lowcap = warncap = cap = descap = lastcap = discharge = -1;
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(void)memset(pinfo, 0, sizeof(*pinfo));
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pinfo->ac_state = APM_AC_UNKNOWN;
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pinfo->minutes_valid = 0;
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pinfo->minutes_left = 0xffff;
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pinfo->batteryid = 0;
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pinfo->nbattery = 1;
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pinfo->battery_flags = 0;
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pinfo->battery_state = APM_BATT_UNKNOWN;
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pinfo->battery_life = APM_BATT_LIFE_UNKNOWN;
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for (i = 0;; i++) {
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const char *desc;
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int data;
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int flags;
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ebis.sensor = i;
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if (sysmonioctl_envsys(0, ENVSYS_GTREINFO, (void *)&ebis, 0,
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NULL) || (ebis.validflags & ENVSYS_FVALID) == 0)
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break;
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etds.sensor = i;
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if (sysmonioctl_envsys(0, ENVSYS_GTREDATA, (void *)&etds, 0,
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NULL))
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continue;
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desc = ebis.desc;
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flags = etds.validflags;
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data = etds.cur.data_s;
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DPRINTF(("%d %s %d %d\n", i, desc, data, flags));
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if ((flags & ENVSYS_FCURVALID) == 0)
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continue;
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if (strstr(desc, " disconnected")) {
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pinfo->ac_state = data ? APM_AC_OFF : APM_AC_ON;
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break;
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} else if (strstr(desc, " present") && data == 0) {
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pinfo->battery_flags |= APM_BATT_FLAG_NO_SYSTEM_BATTERY;
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pinfo->battery_state = APM_BATT_ABSENT;
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} else if (strstr(desc, " charging") && data) {
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pinfo->battery_flags |= APM_BATT_FLAG_CHARGING;
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pinfo->battery_state = APM_BATT_CHARGING;
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} else if (strstr(desc, " discharging") && data)
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pinfo->battery_flags &= ~APM_BATT_FLAG_CHARGING;
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else if (strstr(desc, " warn cap"))
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warncap = data / 1000;
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else if (strstr(desc, " low cap"))
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lowcap = data / 1000;
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else if (strstr(desc, " last full cap"))
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lastcap = data / 1000;
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else if (strstr(desc, " design cap"))
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descap = data / 1000;
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else if (strstr(desc, " charge") &&
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strstr(desc, " charge rate") == NULL)
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cap = data / 1000;
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else if (strstr(desc, " discharge rate"))
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discharge = data / 1000;
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}
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if (cap != -1) {
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if (warncap != -1 && cap < warncap) {
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pinfo->battery_flags |= APM_BATT_FLAG_CRITICAL;
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pinfo->battery_state = APM_BATT_CRITICAL;
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} else if (lowcap != -1 && cap < lowcap) {
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pinfo->battery_flags |= APM_BATT_FLAG_LOW;
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pinfo->battery_state = APM_BATT_LOW;
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}
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if (lastcap != -1)
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pinfo->battery_life = 100 * cap / lastcap;
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else if (descap != -1)
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pinfo->battery_life = 100 * cap / descap;
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}
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if ((pinfo->battery_flags & APM_BATT_FLAG_CHARGING) == 0) {
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if (discharge != -1 && cap != -1)
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pinfo->minutes_left = 60 * cap / discharge;
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if (pinfo->battery_state == APM_BATT_UNKNOWN)
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pinfo->battery_state = pinfo->ac_state == APM_AC_ON ?
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APM_BATT_HIGH : APM_BATT_LOW;
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} else {
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if (pinfo->battery_state == APM_BATT_UNKNOWN)
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pinfo->battery_state = APM_BATT_HIGH;
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}
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DPRINTF(("%d %d %d %d %d %d\n", cap, warncap, lowcap, lastcap, descap,
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discharge));
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DPRINTF(("pinfo %d %d %d %d\n", pinfo->battery_flags,
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pinfo->battery_state, pinfo->battery_life, pinfo->battery_life));
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return 0;
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}
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static int
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acpiapm_get_event(void *opaque, u_int *event_type, u_int *event_info)
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{
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return APM_ERR_NOEVENTS;
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}
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static void
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acpiapm_cpu_busy(void *opaque)
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{
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return;
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}
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static void
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acpiapm_cpu_idle(void *opaque)
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{
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return;
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}
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static void
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acpiapm_get_capabilities(void *opaque, u_int *numbatts, u_int *capflags)
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{
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*numbatts = 1;
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*capflags = APM_GLOBAL_STANDBY | APM_GLOBAL_SUSPEND;
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return;
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}
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@ -1,4 +1,4 @@
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# $NetBSD: files.acpi,v 1.37 2006/07/04 00:30:23 christos Exp $
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# $NetBSD: files.acpi,v 1.38 2006/07/08 20:23:53 christos Exp $
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include "dev/acpi/acpica/files.acpica"
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@ -16,6 +16,10 @@ file dev/acpi/acpi_pci_link.c acpi
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file dev/acpi/acpi_quirks.c acpi
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file dev/acpi/acpi_timer.c acpi
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# ACPI/apm emulation.
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attach apm at acpi with acpiapm
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file dev/acpi/acpi_apm.c acpiapm
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# ACPI Embedded Controller
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device acpiec
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attach acpiec at acpi
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