789 lines
24 KiB
C
789 lines
24 KiB
C
/* $NetBSD: acpi_bat.c,v 1.35 2003/11/03 18:07:10 mycroft Exp $ */
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/*-
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* Copyright (c) 2003 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 Charles M. Hannum of By Noon Software, 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 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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* Copyright 2001 Bill Sommerfeld.
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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 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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#if 0
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#define ACPI_BAT_DEBUG
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#endif
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/*
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* ACPI Battery Driver.
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*
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* ACPI defines two different battery device interfaces: "Control
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* Method" batteries, in which AML methods are defined in order to get
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* battery status and set battery alarm thresholds, and a "Smart
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* Battery" device, which is an SMbus device accessed through the ACPI
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* Embedded Controller device.
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*
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* This driver is for the "Control Method"-style battery only.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: acpi_bat.c,v 1.35 2003/11/03 18:07:10 mycroft 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> /* for hz */
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#include <sys/device.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/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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/* sensor indexes */
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#define ACPIBAT_PRESENT 0
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#define ACPIBAT_DCAPACITY 1
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#define ACPIBAT_LFCCAPACITY 2
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#define ACPIBAT_TECHNOLOGY 3
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#define ACPIBAT_DVOLTAGE 4
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#define ACPIBAT_WCAPACITY 5
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#define ACPIBAT_LCAPACITY 6
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#define ACPIBAT_VOLTAGE 7
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#define ACPIBAT_CHARGERATE 8
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#define ACPIBAT_DISCHARGERATE 9
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#define ACPIBAT_CAPACITY 10
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#define ACPIBAT_CHARGING 11
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#define ACPIBAT_DISCHARGING 12
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#define ACPIBAT_NSENSORS 13 /* number of sensors */
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const struct envsys_range acpibat_range_amp[] = {
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{ 0, 1, ENVSYS_SVOLTS_DC },
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{ 1, 2, ENVSYS_SAMPS },
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{ 2, 3, ENVSYS_SAMPHOUR },
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{ 1, 0, -1 },
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};
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const struct envsys_range acpibat_range_watt[] = {
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{ 0, 1, ENVSYS_SVOLTS_DC },
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{ 1, 2, ENVSYS_SWATTS },
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{ 2, 3, ENVSYS_SWATTHOUR },
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{ 1, 0, -1 },
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};
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struct acpibat_softc {
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struct device sc_dev; /* base device glue */
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struct acpi_devnode *sc_node; /* our ACPI devnode */
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int sc_flags; /* see below */
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int sc_available; /* available information level */
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struct sysmon_envsys sc_sysmon;
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struct envsys_basic_info sc_info[ACPIBAT_NSENSORS];
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struct envsys_tre_data sc_data[ACPIBAT_NSENSORS];
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struct simplelock sc_lock;
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struct timeval sc_lastupdate, sc_updateinterval;
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};
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static const char * const bat_hid[] = {
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"PNP0C0A",
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NULL
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};
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/*
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* These flags are used to examine the battery device data returned from
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* the ACPI interface, specifically the "battery status"
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*/
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#define ACPIBAT_PWRUNIT_MA 0x00000001 /* mA not mW */
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/*
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* These flags are used to examine the battery charge/discharge/critical
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* state returned from a get-status command.
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*/
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#define ACPIBAT_ST_DISCHARGING 0x00000001 /* battery is discharging */
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#define ACPIBAT_ST_CHARGING 0x00000002 /* battery is charging */
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#define ACPIBAT_ST_CRITICAL 0x00000004 /* battery is critical */
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/*
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* Flags for battery status from _STA return
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*/
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#define ACPIBAT_STA_PRESENT 0x00000010 /* battery present */
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/*
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* These flags are used to set internal state in our softc.
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*/
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#define ABAT_F_VERBOSE 0x01 /* verbose events */
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#define ABAT_F_PWRUNIT_MA 0x02 /* mA instead of mW */
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#define ABAT_F_PRESENT 0x04 /* is the battery present? */
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#define ABAT_F_LOCKED 0x08 /* is locked? */
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#define ABAT_SET(sc, f) (void)((sc)->sc_flags |= (f))
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#define ABAT_CLEAR(sc, f) (void)((sc)->sc_flags &= ~(f))
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#define ABAT_ISSET(sc, f) ((sc)->sc_flags & (f))
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/*
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* Available info level
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*/
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#define ABAT_ALV_NONE 0 /* none is available */
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#define ABAT_ALV_PRESENCE 1 /* presence info is available */
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#define ABAT_ALV_INFO 2 /* battery info is available */
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#define ABAT_ALV_STAT 3 /* battery status is available */
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#define ABAT_ASSERT_LOCKED(sc) \
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do { \
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if (!((sc)->sc_flags & ABAT_F_LOCKED)) \
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panic("acpi_bat (expected to be locked)"); \
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} while(/*CONSTCOND*/0)
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#define ABAT_ASSERT_UNLOCKED(sc) \
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do { \
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if (((sc)->sc_flags & ABAT_F_LOCKED)) \
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panic("acpi_bat (expected to be unlocked)"); \
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} while(/*CONSTCOND*/0)
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#define ABAT_LOCK(sc, s) \
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do { \
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ABAT_ASSERT_UNLOCKED(sc); \
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(s) = splhigh(); \
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simple_lock(&(sc)->sc_lock); \
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ABAT_SET((sc), ABAT_F_LOCKED); \
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} while(/*CONSTCOND*/0)
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#define ABAT_UNLOCK(sc, s) \
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do { \
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ABAT_ASSERT_LOCKED(sc); \
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ABAT_CLEAR((sc), ABAT_F_LOCKED); \
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simple_unlock(&(sc)->sc_lock); \
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splx((s)); \
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} while(/*CONSTCOND*/0)
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int acpibat_match(struct device *, struct cfdata *, void *);
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void acpibat_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(acpibat, sizeof(struct acpibat_softc),
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acpibat_match, acpibat_attach, NULL, NULL);
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static void acpibat_clear_presence(struct acpibat_softc *);
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static void acpibat_clear_info(struct acpibat_softc *);
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static void acpibat_clear_stat(struct acpibat_softc *);
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static int acpibat_battery_present(struct acpibat_softc *);
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static ACPI_STATUS acpibat_get_status(struct acpibat_softc *);
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static ACPI_STATUS acpibat_get_info(struct acpibat_softc *);
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static void acpibat_print_info(struct acpibat_softc *);
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static void acpibat_print_stat(struct acpibat_softc *);
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static void acpibat_update(void *);
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static void acpibat_init_envsys(struct acpibat_softc *);
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static void acpibat_notify_handler(ACPI_HANDLE, UINT32, void *context);
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static int acpibat_gtredata(struct sysmon_envsys *, struct envsys_tre_data *);
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static int acpibat_streinfo(struct sysmon_envsys *, struct envsys_basic_info *);
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/*
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* acpibat_match:
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*
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* Autoconfiguration `match' routine.
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*/
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int
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acpibat_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct acpi_attach_args *aa = aux;
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if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
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return (0);
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return (acpi_match_hid(aa->aa_node->ad_devinfo, bat_hid));
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}
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/*
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* acpibat_attach:
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*
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* Autoconfiguration `attach' routine.
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*/
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void
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acpibat_attach(struct device *parent, struct device *self, void *aux)
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{
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struct acpibat_softc *sc = (void *) self;
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struct acpi_attach_args *aa = aux;
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ACPI_STATUS rv;
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printf(": ACPI Battery (Control Method)\n");
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sc->sc_node = aa->aa_node;
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simple_lock_init(&sc->sc_lock);
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rv = AcpiInstallNotifyHandler(sc->sc_node->ad_handle,
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ACPI_DEVICE_NOTIFY,
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acpibat_notify_handler, sc);
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if (ACPI_FAILURE(rv)) {
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printf("%s: unable to register DEVICE NOTIFY handler: %s\n",
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sc->sc_dev.dv_xname, AcpiFormatException(rv));
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return;
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}
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/* XXX See acpibat_notify_handler() */
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rv = AcpiInstallNotifyHandler(sc->sc_node->ad_handle,
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ACPI_SYSTEM_NOTIFY,
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acpibat_notify_handler, sc);
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if (ACPI_FAILURE(rv)) {
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printf("%s: unable to register SYSTEM NOTIFY handler: %s\n",
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sc->sc_dev.dv_xname, AcpiFormatException(rv));
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return;
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}
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#ifdef ACPI_BAT_DEBUG
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ABAT_SET(sc, ABAT_F_VERBOSE);
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#endif
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acpibat_init_envsys(sc);
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}
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/*
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* clear informations
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*/
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void
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acpibat_clear_presence(struct acpibat_softc *sc)
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{
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ABAT_ASSERT_LOCKED(sc);
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acpibat_clear_info(sc);
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sc->sc_available = ABAT_ALV_NONE;
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ABAT_CLEAR(sc, ABAT_F_PRESENT);
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}
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void
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acpibat_clear_info(struct acpibat_softc *sc)
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{
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ABAT_ASSERT_LOCKED(sc);
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acpibat_clear_stat(sc);
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if (sc->sc_available>ABAT_ALV_PRESENCE)
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sc->sc_available = ABAT_ALV_PRESENCE;
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sc->sc_data[ACPIBAT_DCAPACITY].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_LFCCAPACITY].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_CAPACITY].validflags &= ~ENVSYS_FMAXVALID;
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sc->sc_data[ACPIBAT_TECHNOLOGY].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_DVOLTAGE].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_WCAPACITY].validflags &= ~(ENVSYS_FCURVALID | ENVSYS_FMAXVALID | ENVSYS_FFRACVALID);
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sc->sc_data[ACPIBAT_LCAPACITY].validflags &= ~(ENVSYS_FCURVALID | ENVSYS_FMAXVALID | ENVSYS_FFRACVALID);
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}
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void
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acpibat_clear_stat(struct acpibat_softc *sc)
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{
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ABAT_ASSERT_LOCKED(sc);
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if (sc->sc_available>ABAT_ALV_INFO)
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sc->sc_available = ABAT_ALV_INFO;
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sc->sc_data[ACPIBAT_CHARGERATE].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_DISCHARGERATE].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_CAPACITY].validflags &= ~(ENVSYS_FCURVALID | ENVSYS_FFRACVALID);
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sc->sc_data[ACPIBAT_CAPACITY].warnflags = 0;
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sc->sc_data[ACPIBAT_VOLTAGE].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_CHARGING].validflags &= ~ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_DISCHARGING].validflags &= ~ENVSYS_FCURVALID;
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}
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/*
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* returns 0 for no battery, 1 for present, and -1 on error
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*/
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int
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acpibat_battery_present(struct acpibat_softc *sc)
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{
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u_int32_t sta;
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int s, val;
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ACPI_STATUS rv;
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rv = acpi_eval_integer(sc->sc_node->ad_handle, "_STA", &val);
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if (ACPI_FAILURE(rv)) {
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printf("%s: failed to evaluate _STA: %s\n",
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sc->sc_dev.dv_xname, AcpiFormatException(rv));
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return (-1);
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}
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sta = (u_int32_t)val;
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ABAT_LOCK(sc, s);
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sc->sc_available = ABAT_ALV_PRESENCE;
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if (sta & ACPIBAT_STA_PRESENT) {
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ABAT_SET(sc, ABAT_F_PRESENT);
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sc->sc_data[ACPIBAT_PRESENT].cur.data_s = 1;
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} else
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sc->sc_data[ACPIBAT_PRESENT].cur.data_s = 0;
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sc->sc_data[ACPIBAT_PRESENT].validflags |= ENVSYS_FCURVALID;
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ABAT_UNLOCK(sc, s);
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return ((sta & ACPIBAT_STA_PRESENT)?1:0);
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}
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/*
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* acpibat_get_info
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*
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* Get, and possibly display, the battery info.
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*/
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ACPI_STATUS
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acpibat_get_info(struct acpibat_softc *sc)
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{
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ACPI_OBJECT *p1, *p2;
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ACPI_STATUS rv;
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ACPI_BUFFER buf;
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int capunit, rateunit, s;
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rv = acpi_eval_struct(sc->sc_node->ad_handle, "_BIF", &buf);
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if (ACPI_FAILURE(rv)) {
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printf("%s: failed to evaluate _BIF: %s\n",
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sc->sc_dev.dv_xname, AcpiFormatException(rv));
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return (rv);
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}
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p1 = (ACPI_OBJECT *)buf.Pointer;
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if (p1->Type != ACPI_TYPE_PACKAGE) {
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printf("%s: expected PACKAGE, got %d\n", sc->sc_dev.dv_xname,
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p1->Type);
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goto out;
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}
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if (p1->Package.Count < 13) {
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printf("%s: expected 13 elts, got %d\n",
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sc->sc_dev.dv_xname, p1->Package.Count);
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goto out;
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}
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p2 = p1->Package.Elements;
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ABAT_LOCK(sc, s);
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if ((p2[0].Integer.Value & ACPIBAT_PWRUNIT_MA) != 0) {
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ABAT_SET(sc, ABAT_F_PWRUNIT_MA);
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sc->sc_sysmon.sme_ranges = acpibat_range_amp;
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capunit = ENVSYS_SAMPHOUR;
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rateunit = ENVSYS_SAMPS;
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} else {
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ABAT_CLEAR(sc, ABAT_F_PWRUNIT_MA);
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sc->sc_sysmon.sme_ranges = acpibat_range_watt;
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capunit = ENVSYS_SWATTHOUR;
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rateunit = ENVSYS_SWATTS;
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}
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#define INITDATA(index, unit) \
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sc->sc_data[index].units = unit; \
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sc->sc_info[index].units = unit;
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INITDATA(ACPIBAT_DCAPACITY, capunit);
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INITDATA(ACPIBAT_LFCCAPACITY, capunit);
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INITDATA(ACPIBAT_WCAPACITY, capunit);
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INITDATA(ACPIBAT_LCAPACITY, capunit);
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INITDATA(ACPIBAT_CHARGERATE, rateunit);
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INITDATA(ACPIBAT_DISCHARGERATE, rateunit);
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INITDATA(ACPIBAT_CAPACITY, capunit);
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#undef INITDATA
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sc->sc_data[ACPIBAT_DCAPACITY].cur.data_s = p2[1].Integer.Value * 1000;
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sc->sc_data[ACPIBAT_DCAPACITY].validflags |= ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_LFCCAPACITY].cur.data_s = p2[2].Integer.Value * 1000;
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sc->sc_data[ACPIBAT_LFCCAPACITY].validflags |= ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_CAPACITY].max.data_s = p2[2].Integer.Value * 1000;
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sc->sc_data[ACPIBAT_CAPACITY].validflags |= ENVSYS_FMAXVALID;
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sc->sc_data[ACPIBAT_TECHNOLOGY].cur.data_s = p2[3].Integer.Value;
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sc->sc_data[ACPIBAT_TECHNOLOGY].validflags |= ENVSYS_FCURVALID;
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sc->sc_data[ACPIBAT_DVOLTAGE].cur.data_s = p2[4].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_DVOLTAGE].validflags |= ENVSYS_FCURVALID;
|
|
sc->sc_data[ACPIBAT_WCAPACITY].cur.data_s = p2[5].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_WCAPACITY].max.data_s = p2[2].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_WCAPACITY].validflags |= ENVSYS_FCURVALID | ENVSYS_FMAXVALID | ENVSYS_FFRACVALID;
|
|
sc->sc_data[ACPIBAT_LCAPACITY].cur.data_s = p2[6].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_LCAPACITY].max.data_s = p2[2].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_LCAPACITY].validflags |= ENVSYS_FCURVALID | ENVSYS_FMAXVALID | ENVSYS_FFRACVALID;
|
|
sc->sc_available = ABAT_ALV_INFO;
|
|
ABAT_UNLOCK(sc, s);
|
|
|
|
printf("%s: battery info: %s, %s, %s, %s\n", sc->sc_dev.dv_xname,
|
|
p2[12].String.Pointer, p2[11].String.Pointer,
|
|
p2[9].String.Pointer, p2[10].String.Pointer);
|
|
|
|
rv = AE_OK;
|
|
|
|
out:
|
|
AcpiOsFree(buf.Pointer);
|
|
return (rv);
|
|
}
|
|
|
|
/*
|
|
* acpibat_get_status:
|
|
*
|
|
* Get, and possibly display, the current battery line status.
|
|
*/
|
|
ACPI_STATUS
|
|
acpibat_get_status(struct acpibat_softc *sc)
|
|
{
|
|
int flags, status, s;
|
|
ACPI_OBJECT *p1, *p2;
|
|
ACPI_STATUS rv;
|
|
ACPI_BUFFER buf;
|
|
|
|
rv = acpi_eval_struct(sc->sc_node->ad_handle, "_BST", &buf);
|
|
if (ACPI_FAILURE(rv)) {
|
|
printf("%s: failed to evaluate _BST: %s\n",
|
|
sc->sc_dev.dv_xname, AcpiFormatException(rv));
|
|
return (rv);
|
|
}
|
|
p1 = (ACPI_OBJECT *)buf.Pointer;
|
|
|
|
if (p1->Type != ACPI_TYPE_PACKAGE) {
|
|
printf("bat: expected PACKAGE, got %d\n", p1->Type);
|
|
rv = AE_ERROR;
|
|
goto out;
|
|
}
|
|
if (p1->Package.Count < 4) {
|
|
printf("bat: expected 4 elts, got %d\n", p1->Package.Count);
|
|
rv = AE_ERROR;
|
|
goto out;
|
|
}
|
|
p2 = p1->Package.Elements;
|
|
|
|
ABAT_LOCK(sc, s);
|
|
status = p2[0].Integer.Value;
|
|
sc->sc_data[ACPIBAT_CHARGERATE].validflags &= ~ENVSYS_FCURVALID;
|
|
sc->sc_data[ACPIBAT_DISCHARGERATE].validflags &= ~ENVSYS_FCURVALID;
|
|
if (p2[1].Integer.Value != -1) {
|
|
if (status & ACPIBAT_ST_CHARGING) {
|
|
sc->sc_data[ACPIBAT_CHARGERATE].cur.data_s = p2[1].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_CHARGERATE].validflags |= ENVSYS_FCURVALID;
|
|
} else if (status & ACPIBAT_ST_DISCHARGING) {
|
|
sc->sc_data[ACPIBAT_DISCHARGERATE].cur.data_s = p2[1].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_DISCHARGERATE].validflags |= ENVSYS_FCURVALID;
|
|
}
|
|
}
|
|
sc->sc_data[ACPIBAT_CAPACITY].cur.data_s = p2[2].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_CAPACITY].validflags |= ENVSYS_FCURVALID | ENVSYS_FFRACVALID;
|
|
sc->sc_data[ACPIBAT_VOLTAGE].cur.data_s = p2[3].Integer.Value * 1000;
|
|
sc->sc_data[ACPIBAT_VOLTAGE].validflags |= ENVSYS_FCURVALID;
|
|
flags = 0;
|
|
if (sc->sc_data[ACPIBAT_CAPACITY].cur.data_s <
|
|
sc->sc_data[ACPIBAT_WCAPACITY].cur.data_s)
|
|
flags |= ENVSYS_WARN_UNDER;
|
|
if (status & ACPIBAT_ST_CRITICAL)
|
|
flags |= ENVSYS_WARN_CRITUNDER;
|
|
sc->sc_data[ACPIBAT_CAPACITY].warnflags = flags;
|
|
sc->sc_data[ACPIBAT_CHARGING].cur.data_s =
|
|
((status & ACPIBAT_ST_CHARGING) != 0);
|
|
sc->sc_data[ACPIBAT_CHARGING].validflags |= ENVSYS_FCURVALID;
|
|
sc->sc_data[ACPIBAT_DISCHARGING].cur.data_s =
|
|
((status & ACPIBAT_ST_DISCHARGING) != 0);
|
|
sc->sc_data[ACPIBAT_DISCHARGING].validflags |= ENVSYS_FCURVALID;
|
|
sc->sc_available = ABAT_ALV_STAT;
|
|
ABAT_UNLOCK(sc, s);
|
|
|
|
rv = AE_OK;
|
|
|
|
out:
|
|
AcpiOsFree(buf.Pointer);
|
|
return (rv);
|
|
}
|
|
|
|
#define SCALE(x) ((x)/1000000), (((x)%1000000)/1000)
|
|
#define CAPUNITS(sc) (ABAT_ISSET((sc), ABAT_F_PWRUNIT_MA)?"Ah":"Wh")
|
|
#define RATEUNITS(sc) (ABAT_ISSET((sc), ABAT_F_PWRUNIT_MA)?"A":"W")
|
|
static void
|
|
acpibat_print_info(struct acpibat_softc *sc)
|
|
{
|
|
const char *tech;
|
|
|
|
if (sc->sc_data[ACPIBAT_TECHNOLOGY].cur.data_s)
|
|
tech = "secondary";
|
|
else
|
|
tech = "primary";
|
|
|
|
printf("%s: %s battery, Design %d.%03d%s, Last full %d.%03d%s"
|
|
"Warn %d.%03d%s Low %d.%03d%s\n",
|
|
sc->sc_dev.dv_xname, tech,
|
|
SCALE(sc->sc_data[ACPIBAT_DCAPACITY].cur.data_s), CAPUNITS(sc),
|
|
SCALE(sc->sc_data[ACPIBAT_LFCCAPACITY].cur.data_s),CAPUNITS(sc),
|
|
SCALE(sc->sc_data[ACPIBAT_WCAPACITY].cur.data_s), CAPUNITS(sc),
|
|
SCALE(sc->sc_data[ACPIBAT_LCAPACITY].cur.data_s), CAPUNITS(sc));
|
|
}
|
|
|
|
static void
|
|
acpibat_print_stat(struct acpibat_softc *sc)
|
|
{
|
|
const char *capstat, *chargestat;
|
|
int percent, denom;
|
|
|
|
percent = 0;
|
|
|
|
if (sc->sc_data[ACPIBAT_CAPACITY].warnflags&ENVSYS_WARN_CRITUNDER)
|
|
capstat = "CRITICAL ";
|
|
else if (sc->sc_data[ACPIBAT_CAPACITY].warnflags&ENVSYS_WARN_UNDER)
|
|
capstat = "UNDER ";
|
|
else
|
|
capstat = "";
|
|
if (sc->sc_data[ACPIBAT_CHARGING].cur.data_s)
|
|
chargestat = "charging";
|
|
else if (sc->sc_data[ACPIBAT_DISCHARGING].cur.data_s)
|
|
chargestat = "discharging";
|
|
else
|
|
chargestat = "idling";
|
|
denom = sc->sc_data[ACPIBAT_DCAPACITY].cur.data_s / 100;
|
|
if (denom > 0)
|
|
percent = (sc->sc_data[ACPIBAT_CAPACITY].cur.data_s) / denom;
|
|
printf("%s: %s%s: %d.%03dV cap %d.%03d%s (%d%%) rate %d.%03d%s\n",
|
|
sc->sc_dev.dv_xname,
|
|
capstat, chargestat,
|
|
SCALE(sc->sc_data[ACPIBAT_VOLTAGE].cur.data_s),
|
|
SCALE(sc->sc_data[ACPIBAT_CAPACITY].cur.data_s), CAPUNITS(sc),
|
|
percent,
|
|
SCALE(sc->sc_data[ACPIBAT_CHARGING].cur.data_s ?
|
|
sc->sc_data[ACPIBAT_CHARGERATE].cur.data_s :
|
|
sc->sc_data[ACPIBAT_DISCHARGING].cur.data_s ?
|
|
sc->sc_data[ACPIBAT_DISCHARGERATE].cur.data_s : 0),
|
|
RATEUNITS(sc));
|
|
}
|
|
|
|
static void
|
|
acpibat_update(void *arg)
|
|
{
|
|
struct acpibat_softc *sc = arg;
|
|
|
|
if (sc->sc_available < ABAT_ALV_INFO) {
|
|
/* current information is invalid */
|
|
#if 0
|
|
/*
|
|
* XXX: The driver sometimes unaware that the battery exist.
|
|
* (i.e. just after the boot or resuming)
|
|
* Thus, the driver should always check it here.
|
|
*/
|
|
if (sc->sc_available < ABAT_ALV_PRESENCE)
|
|
#endif
|
|
/* presence is invalid */
|
|
if (acpibat_battery_present(sc)<0) {
|
|
/* error */
|
|
printf("%s: cannot get battery presence.\n",
|
|
sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
if (ABAT_ISSET(sc, ABAT_F_PRESENT)) {
|
|
/* the battery is present. */
|
|
if (ABAT_ISSET(sc, ABAT_F_VERBOSE))
|
|
printf("%s: battery is present.\n",
|
|
sc->sc_dev.dv_xname);
|
|
if (ACPI_FAILURE(acpibat_get_info(sc)))
|
|
return;
|
|
if (ABAT_ISSET(sc, ABAT_F_VERBOSE))
|
|
acpibat_print_info(sc);
|
|
} else {
|
|
/* the battery is not present. */
|
|
if (ABAT_ISSET(sc, ABAT_F_VERBOSE))
|
|
printf("%s: battery is not present.\n",
|
|
sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
} else {
|
|
/* current information is valid */
|
|
if (!ABAT_ISSET(sc, ABAT_F_PRESENT)) {
|
|
/* the battery is not present. */
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (ACPI_FAILURE(acpibat_get_status(sc)))
|
|
return;
|
|
|
|
if (ABAT_ISSET(sc, ABAT_F_VERBOSE))
|
|
acpibat_print_stat(sc);
|
|
}
|
|
|
|
/*
|
|
* acpibat_notify_handler:
|
|
*
|
|
* Callback from ACPI interrupt handler to notify us of an event.
|
|
*/
|
|
void
|
|
acpibat_notify_handler(ACPI_HANDLE handle, UINT32 notify, void *context)
|
|
{
|
|
struct acpibat_softc *sc = context;
|
|
int rv, s;
|
|
|
|
#ifdef ACPI_BAT_DEBUG
|
|
printf("%s: received notify message: 0x%x\n",
|
|
sc->sc_dev.dv_xname, notify);
|
|
#endif
|
|
|
|
switch (notify) {
|
|
case ACPI_NOTIFY_BusCheck:
|
|
break;
|
|
|
|
case ACPI_NOTIFY_BatteryInformationChanged:
|
|
ABAT_LOCK(sc, s);
|
|
acpibat_clear_presence(sc);
|
|
ABAT_UNLOCK(sc, s);
|
|
rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO,
|
|
acpibat_update, sc);
|
|
if (ACPI_FAILURE(rv))
|
|
printf("%s: unable to queue status check: %s\n",
|
|
sc->sc_dev.dv_xname, AcpiFormatException(rv));
|
|
break;
|
|
|
|
case ACPI_NOTIFY_BatteryStatusChanged:
|
|
ABAT_LOCK(sc, s);
|
|
acpibat_clear_stat(sc);
|
|
ABAT_UNLOCK(sc, s);
|
|
rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO,
|
|
acpibat_update, sc);
|
|
if (ACPI_FAILURE(rv))
|
|
printf("%s: unable to queue status check: %s\n",
|
|
sc->sc_dev.dv_xname, AcpiFormatException(rv));
|
|
break;
|
|
|
|
default:
|
|
printf("%s: received unknown notify message: 0x%x\n",
|
|
sc->sc_dev.dv_xname, notify);
|
|
}
|
|
}
|
|
|
|
void
|
|
acpibat_init_envsys(struct acpibat_softc *sc)
|
|
{
|
|
int capunit, rateunit;
|
|
|
|
#if 0
|
|
if (sc->sc_flags & ABAT_F_PWRUNIT_MA) {
|
|
#endif
|
|
/* XXX */
|
|
sc->sc_sysmon.sme_ranges = acpibat_range_amp;
|
|
capunit = ENVSYS_SAMPHOUR;
|
|
rateunit = ENVSYS_SAMPS;
|
|
#if 0
|
|
} else {
|
|
sc->sc_sysmon.sme_ranges = acpibat_range_watt;
|
|
capunit = ENVSYS_SWATTHOUR;
|
|
rateunit = ENVSYS_SWATTS;
|
|
}
|
|
#endif
|
|
|
|
#define INITDATA(index, unit, string) \
|
|
sc->sc_data[index].sensor = index; \
|
|
sc->sc_data[index].units = unit; \
|
|
sc->sc_data[index].validflags = ENVSYS_FVALID; \
|
|
sc->sc_data[index].warnflags = 0; \
|
|
sc->sc_info[index].sensor = index; \
|
|
sc->sc_info[index].units = unit; \
|
|
sc->sc_info[index].validflags = ENVSYS_FVALID; \
|
|
snprintf(sc->sc_info[index].desc, sizeof(sc->sc_info->desc), \
|
|
"%s %s", sc->sc_dev.dv_xname, string); \
|
|
|
|
INITDATA(ACPIBAT_PRESENT, ENVSYS_INDICATOR, "present");
|
|
INITDATA(ACPIBAT_DCAPACITY, capunit, "design cap");
|
|
INITDATA(ACPIBAT_LFCCAPACITY, capunit, "last full cap");
|
|
INITDATA(ACPIBAT_TECHNOLOGY, ENVSYS_INTEGER, "technology");
|
|
INITDATA(ACPIBAT_DVOLTAGE, ENVSYS_SVOLTS_DC, "design voltage");
|
|
INITDATA(ACPIBAT_WCAPACITY, capunit, "warn cap");
|
|
INITDATA(ACPIBAT_LCAPACITY, capunit, "low cap");
|
|
INITDATA(ACPIBAT_VOLTAGE, ENVSYS_SVOLTS_DC, "voltage");
|
|
INITDATA(ACPIBAT_CHARGERATE, rateunit, "charge rate");
|
|
INITDATA(ACPIBAT_DISCHARGERATE, rateunit, "discharge rate");
|
|
INITDATA(ACPIBAT_CAPACITY, capunit, "charge");
|
|
INITDATA(ACPIBAT_CHARGING, ENVSYS_INDICATOR, "charging");
|
|
INITDATA(ACPIBAT_DISCHARGING, ENVSYS_INDICATOR, "discharging");
|
|
|
|
#undef INITDATA
|
|
|
|
sc->sc_sysmon.sme_sensor_info = sc->sc_info;
|
|
sc->sc_sysmon.sme_sensor_data = sc->sc_data;
|
|
sc->sc_sysmon.sme_cookie = sc;
|
|
sc->sc_sysmon.sme_gtredata = acpibat_gtredata;
|
|
sc->sc_sysmon.sme_streinfo = acpibat_streinfo;
|
|
sc->sc_sysmon.sme_nsensors = ACPIBAT_NSENSORS;
|
|
sc->sc_sysmon.sme_envsys_version = 1000;
|
|
|
|
sc->sc_updateinterval.tv_sec = 1;
|
|
sc->sc_updateinterval.tv_usec = 0;
|
|
|
|
if (sysmon_envsys_register(&sc->sc_sysmon))
|
|
printf("%s: unable to register with sysmon\n",
|
|
sc->sc_dev.dv_xname);
|
|
}
|
|
|
|
int
|
|
acpibat_gtredata(struct sysmon_envsys *sme, struct envsys_tre_data *tred)
|
|
{
|
|
struct acpibat_softc *sc = sme->sme_cookie;
|
|
|
|
if (ratecheck(&sc->sc_lastupdate, &sc->sc_updateinterval))
|
|
acpibat_update(sc);
|
|
|
|
/* XXX locking */
|
|
*tred = sc->sc_data[tred->sensor];
|
|
/* XXX locking */
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
acpibat_streinfo(struct sysmon_envsys *sme, struct envsys_basic_info *binfo)
|
|
{
|
|
|
|
/* XXX Not implemented */
|
|
binfo->validflags = 0;
|
|
|
|
return (0);
|
|
}
|