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: head/usr.sbin/acpi/acpiconf/acpiconf.c 211763 2010-08-24 18:07:59Z mav $
  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, amp;
  89         uint32_t volt;
  90
  91         if (num < 0 || num > 64)
  92                 err(EX_USAGE, "invalid battery %d", num);
  93
  94         /* Print battery design information. */
  95         battio.unit = num;
  96         if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1)
  97                 err(EX_IOERR, "get battery info (%d) failed", num);
  98         amp = battio.bif.units;
  99         pwr_units = amp ? "mA" : "mW";
 100         if (battio.bif.dcap == UNKNOWN_CAP)
 101                 printf("Design capacity:\tunknown\n");
 102         else
 103                 printf("Design capacity:\t%d %sh\n", battio.bif.dcap,
 104                     pwr_units);
 105         if (battio.bif.lfcap == UNKNOWN_CAP)
 106                 printf("Last full capacity:\tunknown\n");
 107         else
 108                 printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap,
 109                     pwr_units);
 110         printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
 111             "primary (non-rechargeable)" : "secondary (rechargeable)");
 112         if (battio.bif.dvol == UNKNOWN_CAP)
 113                 printf("Design voltage:\t\tunknown\n");
 114         else
 115                 printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
 116         printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units);
 117         printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units);
 118         printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units);
 119         printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units);
 120         printf("Model number:\t\t%s\n", battio.bif.model);
 121         printf("Serial number:\t\t%s\n", battio.bif.serial);
 122         printf("Type:\t\t\t%s\n", battio.bif.type);
 123         printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
 124
 125         /* Fetch battery voltage information. */
 126         volt = UNKNOWN_VOLTAGE;
 127         battio.unit = num;
 128         if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
 129                 err(EX_IOERR, "get battery status (%d) failed", num);
 130         if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT)
 131                 volt = battio.bst.volt;
 132
 133         /* Print current battery state information. */
 134         battio.unit = num;
 135         if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
 136                 err(EX_IOERR, "get battery user info (%d) failed", num);
 137         if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
 138                 printf("State:\t\t\t");
 139                 if (battio.battinfo.state == 0)
 140                         printf("high ");
 141                 if (battio.battinfo.state & ACPI_BATT_STAT_CRITICAL)
 142                         printf("critical ");
 143                 if (battio.battinfo.state & ACPI_BATT_STAT_DISCHARG)
 144                         printf("discharging ");
 145                 if (battio.battinfo.state & ACPI_BATT_STAT_CHARGING)
 146                         printf("charging ");
 147                 printf("\n");
 148                 if (battio.battinfo.cap == -1)
 149                         printf("Remaining capacity:\tunknown\n");
 150                 else
 151                         printf("Remaining capacity:\t%d%%\n",
 152                             battio.battinfo.cap);
 153                 if (battio.battinfo.min == -1)
 154                         printf("Remaining time:\t\tunknown\n");
 155                 else {
 156                         hours = battio.battinfo.min / 60;
 157                         min = battio.battinfo.min % 60;
 158                         printf("Remaining time:\t\t%d:%02d\n", hours, min);
 159                 }
 160                 if (battio.battinfo.rate == -1)
 161                         printf("Present rate:\t\tunknown\n");
 162                 else if (amp && volt != UNKNOWN_VOLTAGE) {
 163                         printf("Present rate:\t\t%d mA (%d mW)\n",
 164                             battio.battinfo.rate,
 165                             battio.battinfo.rate * volt / 1000);
 166                 } else
 167                         printf("Present rate:\t\t%d %s\n",
 168                             battio.battinfo.rate, pwr_units);
 169         } else
 170                 printf("State:\t\t\tnot present\n");
 171
 172         /* Print battery voltage information. */
 173         if (volt == UNKNOWN_VOLTAGE)
 174                 printf("Present voltage:\tunknown\n");
 175         else
 176                 printf("Present voltage:\t%d mV\n", volt);
 177
 178         return (0);
 179 }
 180
 181 static void
 182 usage(const char* prog)
 183 {
 184         printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
 185         exit(0);
 186 }
 187
 188 int
 189 main(int argc, char *argv[])
 190 {
 191         char    c, *prog;
 192         int     sleep_type;
 193
 194         prog = argv[0];
 195         if (argc < 2)
 196                 usage(prog);
 197                 /* NOTREACHED */
 198
 199         sleep_type = -1;
 200         acpi_init();
 201         while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
 202                 switch (c) {
 203                 case 'i':
 204                         acpi_battinfo(atoi(optarg));
 205                         break;
 206                 case 'k':
 207                         acpi_sleep_ack(atoi(optarg));
 208                         break;
 209                 case 's':
 210                         if (optarg[0] == 'S')
 211                                 sleep_type = optarg[1] - '0';
 212                         else
 213                                 sleep_type = optarg[0] - '0';
 214                         if (sleep_type < 1 || sleep_type > 4)
 215                                 errx(EX_USAGE, "invalid sleep type (%d)",
 216                                      sleep_type);
 217                         break;
 218                 case 'h':
 219                 default:
 220                         usage(prog);
 221                         /* NOTREACHED */
 222                 }
 223         }
 224         argc -= optind;
 225         argv += optind;
 226
 227         if (sleep_type != -1)
 228                 acpi_sleep(sleep_type);
 229
 230         close(acpifd);
 231         exit (0);
 232 }