usr.sbin/acpi/acpiconf/acpiconf.c

   1 /*-
   2  * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $Id: acpiconf.c,v 1.5 2000/08/08 14:12:19 iwasaki Exp $
  27  *      $FreeBSD: src/usr.sbin/acpi/acpiconf/acpiconf.c,v 1.26.8.1 2009/04/15 03:14:26 kensmith Exp $
  28  */
  29
  30 #include <sys/param.h>
  31
  32 #include <err.h>
  33 #include <fcntl.h>
  34 #include <stdio.h>
  35 #include <sys/ioctl.h>
  36 #include <sysexits.h>
  37 #include <unistd.h>
  38
  39 #include "acpiio.h"
  40 #include "acpi.h"
  41
  42 #define ACPIDEV         "/dev/acpi"
  43
  44 static int      acpifd;
  45
  46 static void
  47 acpi_init(void)
  48 {
  49         acpifd = open(ACPIDEV, O_RDWR);
  50         if (acpifd == -1)
  51                 acpifd = open(ACPIDEV, O_RDONLY);
  52         if (acpifd == -1)
  53                 err(EX_OSFILE, ACPIDEV);
  54 }
  55
  56 /* Prepare to sleep and then wait for the signal that sleeping can occur. */
  57 static void
  58 acpi_sleep(int sleep_type)
  59 {
  60         int ret;
  61
  62         /* Notify OS that we want to sleep.  devd(8) gets this notify. */
  63         ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
  64         if (ret != 0)
  65                 err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
  66 }
  67
  68 /* Ack or abort a pending suspend request. */
  69 static void
  70 acpi_sleep_ack(int err_val)
  71 {
  72         int ret;
  73
  74         ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
  75         if (ret != 0)
  76                 err(EX_IOERR, "ack sleep type failed");
  77 }
  78
  79 /* should be a acpi define, but doesn't appear to be */
  80 #define UNKNOWN_CAP 0xffffffff
  81 #define UNKNOWN_VOLTAGE 0xffffffff
  82
  83 static int
  84 acpi_battinfo(int num)
  85 {
  86         union acpi_battery_ioctl_arg battio;
  87         const char *pwr_units;
  88         int hours, min;
  89
  90         if (num < 0 || num > 64)
  91                 err(EX_USAGE, "invalid battery %d", num);
  92
  93         /* Print battery design information. */
  94         battio.unit = num;
  95         if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1)
  96                 err(EX_IOERR, "get battery info (%d) failed", num);
  97         if (battio.bif.units == 0)
  98                 pwr_units = "mW";
  99         else
 100                 pwr_units = "mA";
 101
 102         if (battio.bif.dcap == UNKNOWN_CAP)
 103                 printf("Design capacity:\tunknown\n");
 104         else
 105                 printf("Design capacity:\t%d %sh\n", battio.bif.dcap,
 106                     pwr_units);
 107         if (battio.bif.lfcap == UNKNOWN_CAP)
 108                 printf("Last full capacity:\tunknown\n");
 109         else
 110                 printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap,
 111                     pwr_units);
 112         printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
 113             "primary (non-rechargeable)" : "secondary (rechargeable)");
 114         if (battio.bif.dvol == UNKNOWN_CAP)
 115                 printf("Design voltage:\t\tunknown\n");
 116         else
 117                 printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
 118         printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units);
 119         printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units);
 120         printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units);
 121         printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units);
 122         printf("Model number:\t\t%s\n", battio.bif.model);
 123         printf("Serial number:\t\t%s\n", battio.bif.serial);
 124         printf("Type:\t\t\t%s\n", battio.bif.type);
 125         printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
 126
 127         /* Print current battery state information. */
 128         battio.unit = num;
 129         if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
 130                 err(EX_IOERR, "get battery user info (%d) failed", num);
 131         if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
 132                 printf("State:\t\t\t");
 133                 if (battio.battinfo.state == 0)
 134                         printf("high ");
 135                 if (battio.battinfo.state & ACPI_BATT_STAT_CRITICAL)
 136                         printf("critical ");
 137                 if (battio.battinfo.state & ACPI_BATT_STAT_DISCHARG)
 138                         printf("discharging ");
 139                 if (battio.battinfo.state & ACPI_BATT_STAT_CHARGING)
 140                         printf("charging ");
 141                 printf("\n");
 142                 if (battio.battinfo.cap == -1)
 143                         printf("Remaining capacity:\tunknown\n");
 144                 else
 145                         printf("Remaining capacity:\t%d%%\n",
 146                             battio.battinfo.cap);
 147                 if (battio.battinfo.min == -1)
 148                         printf("Remaining time:\t\tunknown\n");
 149                 else {
 150                         hours = battio.battinfo.min / 60;
 151                         min = battio.battinfo.min % 60;
 152                         printf("Remaining time:\t\t%d:%02d\n", hours, min);
 153                 }
 154                 if (battio.battinfo.rate == -1)
 155                         printf("Present rate:\t\tunknown\n");
 156                 else
 157                         printf("Present rate:\t\t%d %s\n",
 158                             battio.battinfo.rate, pwr_units);
 159         } else
 160                 printf("State:\t\t\tnot present\n");
 161
 162         /* Print battery voltage information. */
 163         battio.unit = num;
 164         if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
 165                 err(EX_IOERR, "get battery status (%d) failed", num);
 166         if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT) {
 167                 if (battio.bst.volt == UNKNOWN_VOLTAGE)
 168                         printf("Voltage:\t\tunknown\n");
 169                 else
 170                         printf("Voltage:\t\t%d mV\n", battio.bst.volt);
 171         }
 172
 173         return (0);
 174 }
 175
 176 static void
 177 usage(const char* prog)
 178 {
 179         printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
 180         exit(0);
 181 }
 182
 183 int
 184 main(int argc, char *argv[])
 185 {
 186         char    c, *prog;
 187         int     sleep_type;
 188
 189         prog = argv[0];
 190         if (argc < 2)
 191                 usage(prog);
 192                 /* NOTREACHED */
 193
 194         sleep_type = -1;
 195         acpi_init();
 196         while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
 197                 switch (c) {
 198                 case 'i':
 199                         acpi_battinfo(atoi(optarg));
 200                         break;
 201                 case 'k':
 202                         acpi_sleep_ack(atoi(optarg));
 203                         break;
 204                 case 's':
 205                         if (optarg[0] == 'S')
 206                                 sleep_type = optarg[1] - '0';
 207                         else
 208                                 sleep_type = optarg[0] - '0';
 209                         if (sleep_type < 1 || sleep_type > 4)
 210                                 errx(EX_USAGE, "invalid sleep type (%d)",
 211                                      sleep_type);
 212                         break;
 213                 case 'h':
 214                 default:
 215                         usage(prog);
 216                         /* NOTREACHED */
 217                 }
 218         }
 219         argc -= optind;
 220         argv += optind;
 221
 222         if (sleep_type != -1)
 223                 acpi_sleep(sleep_type);
 224
 225         close(acpifd);
 226         exit (0);
 227 }