freebsd-dev/usr.sbin/acpi/acpiconf/acpiconf.c
Alexander Motin 9c1af42179 When ACPI reports current battery consumption rate in mAmps, print it also
in mWatts. Values in mAmps are not always suitable, because they depend on
battery voltage, which depends on battery type and charge level.
2010-08-24 18:07:59 +00:00

234 lines
6.6 KiB
C

/*-
* Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: acpiconf.c,v 1.5 2000/08/08 14:12:19 iwasaki Exp $
* $FreeBSD$
*/
#include <sys/param.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sysexits.h>
#include <unistd.h>
#include <dev/acpica/acpiio.h>
#include <contrib/dev/acpica/include/acpi.h>
#define ACPIDEV "/dev/acpi"
static int acpifd;
static void
acpi_init(void)
{
acpifd = open(ACPIDEV, O_RDWR);
if (acpifd == -1)
acpifd = open(ACPIDEV, O_RDONLY);
if (acpifd == -1)
err(EX_OSFILE, ACPIDEV);
}
/* Prepare to sleep and then wait for the signal that sleeping can occur. */
static void
acpi_sleep(int sleep_type)
{
int ret;
/* Notify OS that we want to sleep. devd(8) gets this notify. */
ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
if (ret != 0)
err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
}
/* Ack or abort a pending suspend request. */
static void
acpi_sleep_ack(int err_val)
{
int ret;
ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
if (ret != 0)
err(EX_IOERR, "ack sleep type failed");
}
/* should be a acpi define, but doesn't appear to be */
#define UNKNOWN_CAP 0xffffffff
#define UNKNOWN_VOLTAGE 0xffffffff
static int
acpi_battinfo(int num)
{
union acpi_battery_ioctl_arg battio;
const char *pwr_units;
int hours, min, amp;
uint32_t volt;
if (num < 0 || num > 64)
err(EX_USAGE, "invalid battery %d", num);
/* Print battery design information. */
battio.unit = num;
if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1)
err(EX_IOERR, "get battery info (%d) failed", num);
amp = battio.bif.units;
pwr_units = amp ? "mA" : "mW";
if (battio.bif.dcap == UNKNOWN_CAP)
printf("Design capacity:\tunknown\n");
else
printf("Design capacity:\t%d %sh\n", battio.bif.dcap,
pwr_units);
if (battio.bif.lfcap == UNKNOWN_CAP)
printf("Last full capacity:\tunknown\n");
else
printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap,
pwr_units);
printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
"primary (non-rechargeable)" : "secondary (rechargeable)");
if (battio.bif.dvol == UNKNOWN_CAP)
printf("Design voltage:\t\tunknown\n");
else
printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units);
printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units);
printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units);
printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units);
printf("Model number:\t\t%s\n", battio.bif.model);
printf("Serial number:\t\t%s\n", battio.bif.serial);
printf("Type:\t\t\t%s\n", battio.bif.type);
printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
/* Fetch battery voltage information. */
volt = UNKNOWN_VOLTAGE;
battio.unit = num;
if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
err(EX_IOERR, "get battery status (%d) failed", num);
if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT)
volt = battio.bst.volt;
/* Print current battery state information. */
battio.unit = num;
if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
err(EX_IOERR, "get battery user info (%d) failed", num);
if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
printf("State:\t\t\t");
if (battio.battinfo.state == 0)
printf("high ");
if (battio.battinfo.state & ACPI_BATT_STAT_CRITICAL)
printf("critical ");
if (battio.battinfo.state & ACPI_BATT_STAT_DISCHARG)
printf("discharging ");
if (battio.battinfo.state & ACPI_BATT_STAT_CHARGING)
printf("charging ");
printf("\n");
if (battio.battinfo.cap == -1)
printf("Remaining capacity:\tunknown\n");
else
printf("Remaining capacity:\t%d%%\n",
battio.battinfo.cap);
if (battio.battinfo.min == -1)
printf("Remaining time:\t\tunknown\n");
else {
hours = battio.battinfo.min / 60;
min = battio.battinfo.min % 60;
printf("Remaining time:\t\t%d:%02d\n", hours, min);
}
if (battio.battinfo.rate == -1)
printf("Present rate:\t\tunknown\n");
else if (amp && volt != UNKNOWN_VOLTAGE) {
printf("Present rate:\t\t%d mA (%d mW)\n",
battio.battinfo.rate,
battio.battinfo.rate * volt / 1000);
} else
printf("Present rate:\t\t%d %s\n",
battio.battinfo.rate, pwr_units);
} else
printf("State:\t\t\tnot present\n");
/* Print battery voltage information. */
if (volt == UNKNOWN_VOLTAGE)
printf("Present voltage:\tunknown\n");
else
printf("Present voltage:\t%d mV\n", volt);
return (0);
}
static void
usage(const char* prog)
{
printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
exit(0);
}
int
main(int argc, char *argv[])
{
char c, *prog;
int sleep_type;
prog = argv[0];
if (argc < 2)
usage(prog);
/* NOTREACHED */
sleep_type = -1;
acpi_init();
while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
switch (c) {
case 'i':
acpi_battinfo(atoi(optarg));
break;
case 'k':
acpi_sleep_ack(atoi(optarg));
break;
case 's':
if (optarg[0] == 'S')
sleep_type = optarg[1] - '0';
else
sleep_type = optarg[0] - '0';
if (sleep_type < 1 || sleep_type > 4)
errx(EX_USAGE, "invalid sleep type (%d)",
sleep_type);
break;
case 'h':
default:
usage(prog);
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
if (sleep_type != -1)
acpi_sleep(sleep_type);
close(acpifd);
exit (0);
}