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  *      $FreeBSD$
  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 <dev/acpica/acpiio.h>
  40
  41 #include <contrib/dev/acpica/include/acpi.h>
  42
  43 #define ACPIDEV         "/dev/acpi"
  44
  45 static int      acpifd;
  46
  47 static void
  48 acpi_init(void)
  49 {
  50         acpifd = open(ACPIDEV, O_RDWR);
  51         if (acpifd == -1)
  52                 acpifd = open(ACPIDEV, O_RDONLY);
  53         if (acpifd == -1)
  54                 err(EX_OSFILE, ACPIDEV);
  55 }
  56
  57 /* Prepare to sleep and then wait for the signal that sleeping can occur. */
  58 static void
  59 acpi_sleep(int sleep_type)
  60 {
  61         int ret;
  62
  63         /* Notify OS that we want to sleep.  devd(8) gets this notify. */
  64         ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type);
  65         if (ret != 0)
  66                 err(EX_IOERR, "request sleep type (%d) failed", sleep_type);
  67 }
  68
  69 /* Ack or abort a pending suspend request. */
  70 static void
  71 acpi_sleep_ack(int err_val)
  72 {
  73         int ret;
  74
  75         ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val);
  76         if (ret != 0)
  77                 err(EX_IOERR, "ack sleep type failed");
  78 }
  79
  80 /* should be a acpi define, but doesn't appear to be */
  81 #define UNKNOWN_CAP 0xffffffff
  82 #define UNKNOWN_VOLTAGE 0xffffffff
  83
  84 static int
  85 acpi_battinfo(int num)
  86 {
  87         union acpi_battery_ioctl_arg battio;
  88         const char *pwr_units;
  89         int hours, min, amp;
  90         uint32_t volt;
  91
  92         if (num < 0 || num > 64)
  93                 err(EX_USAGE, "invalid battery %d", num);
  94
  95         /* Print battery design information. */
  96         battio.unit = num;
  97         if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1)
  98                 err(EX_IOERR, "get battery info (%d) failed", num);
  99         amp = battio.bif.units;
 100         pwr_units = amp ? "mA" : "mW";
 101         if (battio.bif.dcap == UNKNOWN_CAP)
 102                 printf("Design capacity:\tunknown\n");
 103         else
 104                 printf("Design capacity:\t%d %sh\n", battio.bif.dcap,
 105                     pwr_units);
 106         if (battio.bif.lfcap == UNKNOWN_CAP)
 107                 printf("Last full capacity:\tunknown\n");
 108         else
 109                 printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap,
 110                     pwr_units);
 111         printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
 112             "primary (non-rechargeable)" : "secondary (rechargeable)");
 113         if (battio.bif.dvol == UNKNOWN_CAP)
 114                 printf("Design voltage:\t\tunknown\n");
 115         else
 116                 printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
 117         printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units);
 118         printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units);
 119         printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units);
 120         printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units);
 121         printf("Model number:\t\t%s\n", battio.bif.model);
 122         printf("Serial number:\t\t%s\n", battio.bif.serial);
 123         printf("Type:\t\t\t%s\n", battio.bif.type);
 124         printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
 125
 126         /* Fetch battery voltage information. */
 127         volt = UNKNOWN_VOLTAGE;
 128         battio.unit = num;
 129         if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1)
 130                 err(EX_IOERR, "get battery status (%d) failed", num);
 131         if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT)
 132                 volt = battio.bst.volt;
 133
 134         /* Print current battery state information. */
 135         battio.unit = num;
 136         if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1)
 137                 err(EX_IOERR, "get battery user info (%d) failed", num);
 138         if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) {
 139                 const char *state;
 140                 switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) {
 141                 case 0:
 142                         state = "high";
 143                         break;
 144                 case ACPI_BATT_STAT_DISCHARG:
 145                         state = "discharging";
 146                         break;
 147                 case ACPI_BATT_STAT_CHARGING:
 148                         state = "charging";
 149                         break;
 150                 case ACPI_BATT_STAT_CRITICAL:
 151                         state = "critical";
 152                         break;
 153                 case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL:
 154                         state = "critical discharging";
 155                         break;
 156                 case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL:
 157                         state = "critical charging";
 158                         break;
 159                 default:
 160                         state = "invalid";
 161                 }
 162                 printf("State:\t\t\t%s\n", state);
 163                 if (battio.battinfo.cap == -1)
 164                         printf("Remaining capacity:\tunknown\n");
 165                 else
 166                         printf("Remaining capacity:\t%d%%\n",
 167                             battio.battinfo.cap);
 168                 if (battio.battinfo.min == -1)
 169                         printf("Remaining time:\t\tunknown\n");
 170                 else {
 171                         hours = battio.battinfo.min / 60;
 172                         min = battio.battinfo.min % 60;
 173                         printf("Remaining time:\t\t%d:%02d\n", hours, min);
 174                 }
 175                 if (battio.battinfo.rate == -1)
 176                         printf("Present rate:\t\tunknown\n");
 177                 else if (amp && volt != UNKNOWN_VOLTAGE) {
 178                         printf("Present rate:\t\t%d mA (%d mW)\n",
 179                             battio.battinfo.rate,
 180                             battio.battinfo.rate * volt / 1000);
 181                 } else
 182                         printf("Present rate:\t\t%d %s\n",
 183                             battio.battinfo.rate, pwr_units);
 184         } else
 185                 printf("State:\t\t\tnot present\n");
 186
 187         /* Print battery voltage information. */
 188         if (volt == UNKNOWN_VOLTAGE)
 189                 printf("Present voltage:\tunknown\n");
 190         else
 191                 printf("Present voltage:\t%d mV\n", volt);
 192
 193         return (0);
 194 }
 195
 196 static void
 197 usage(const char* prog)
 198 {
 199         printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
 200         exit(0);
 201 }
 202
 203 int
 204 main(int argc, char *argv[])
 205 {
 206         char    c, *prog;
 207         int     sleep_type;
 208
 209         prog = argv[0];
 210         if (argc < 2)
 211                 usage(prog);
 212                 /* NOTREACHED */
 213
 214         sleep_type = -1;
 215         acpi_init();
 216         while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
 217                 switch (c) {
 218                 case 'i':
 219                         acpi_battinfo(atoi(optarg));
 220                         break;
 221                 case 'k':
 222                         acpi_sleep_ack(atoi(optarg));
 223                         break;
 224                 case 's':
 225                         if (optarg[0] == 'S')
 226                                 sleep_type = optarg[1] - '0';
 227                         else
 228                                 sleep_type = optarg[0] - '0';
 229                         if (sleep_type < 1 || sleep_type > 4)
 230                                 errx(EX_USAGE, "invalid sleep type (%d)",
 231                                      sleep_type);
 232                         break;
 233                 case 'h':
 234                 default:
 235                         usage(prog);
 236                         /* NOTREACHED */
 237                 }
 238         }
 239         argc -= optind;
 240         argv += optind;
 241
 242         if (sleep_type != -1)
 243                 acpi_sleep(sleep_type);
 244
 245         close(acpifd);
 246         exit (0);
 247 }