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 1.14 2004/03/05 02:48:22 takawata Exp $
  28  *      $DragonFly: src/usr.sbin/acpi/acpiconf/acpiconf.c,v 1.2 2005/12/05 01:04:00 swildner Exp $
  29  */
  30
  31 #include <sys/param.h>
  32
  33 #include <err.h>
  34 #include <fcntl.h>
  35 #include <stdio.h>
  36 #include <sys/ioctl.h>
  37 #include <sysexits.h>
  38 #include <unistd.h>
  39
  40 #include "acpiio.h"
  41 #include "acpi.h"
  42
  43 #define ACPIDEV         "/dev/acpi"
  44 #define RC_SUSPEND_PATH "/etc/rc.suspend"
  45 #define RC_RESUME_PATH  "/etc/rc.resume"
  46
  47 static int      acpifd;
  48
  49 static int
  50 acpi_init(void)
  51 {
  52         acpifd = open(ACPIDEV, O_RDWR);
  53         if (acpifd == -1){
  54                 acpifd = open(ACPIDEV, O_RDONLY);
  55         }
  56         if (acpifd == -1){
  57                 err(EX_OSFILE, ACPIDEV);
  58         }
  59 }
  60
  61 static int
  62 acpi_enable_disable(int enable)
  63 {
  64         if (ioctl(acpifd, enable, NULL) == -1) {
  65                 if (enable == ACPIIO_ENABLE)
  66                         err(EX_IOERR, "enable failed");
  67                 else
  68                         err(EX_IOERR, "disable failed");
  69         }
  70
  71         return (0);
  72 }
  73
  74 static int
  75 acpi_sleep(int sleep_type)
  76 {
  77         char cmd[64];
  78         int ret;
  79
  80         /* Run the suspend rc script, if available. */
  81         if (access(RC_SUSPEND_PATH, X_OK) == 0) {
  82                 snprintf(cmd, sizeof(cmd), "%s acpi %d", RC_SUSPEND_PATH,
  83                     sleep_type);
  84                 system(cmd);
  85         }
  86
  87         ret = ioctl(acpifd, ACPIIO_SETSLPSTATE, &sleep_type);
  88
  89         /* Run the resume rc script, if available. */
  90         if (access(RC_RESUME_PATH, X_OK) == 0) {
  91                 snprintf(cmd, sizeof(cmd), "%s acpi %d", RC_RESUME_PATH,
  92                     sleep_type);
  93                 system(cmd);
  94         }
  95
  96         if (ret != 0)
  97                 err(EX_IOERR, "sleep type (%d) failed", sleep_type);
  98
  99         return (0);
 100 }
 101
 102 static int
 103 acpi_battinfo(int num)
 104 {
 105         union acpi_battery_ioctl_arg battio;
 106         const char *pwr_units;
 107
 108         if (num < 0 || num > 64)
 109                 err(EX_USAGE, "invalid battery %d", num);
 110
 111         battio.unit = num;
 112         if (ioctl(acpifd, ACPIIO_CMBAT_GET_BIF, &battio) == -1)
 113                 err(EX_IOERR, "get battery info (%d) failed", num);
 114         printf("Battery %d information\n", num);
 115         if (battio.bif.units == 0)
 116                 pwr_units = "mWh";
 117         else
 118                 pwr_units = "mAh";
 119
 120         printf("Design capacity:\t%d %s\n", battio.bif.dcap, pwr_units);
 121         printf("Last full capacity:\t%d %s\n", battio.bif.lfcap, pwr_units);
 122         printf("Technology:\t\t%s\n", battio.bif.btech == 0 ?
 123             "primary (non-rechargeable)" : "secondary (rechargeable)");
 124         printf("Design voltage:\t\t%d mV\n", battio.bif.dvol);
 125         printf("Capacity (warn):\t%d %s\n", battio.bif.wcap, pwr_units);
 126         printf("Capacity (low):\t\t%d %s\n", battio.bif.lcap, pwr_units);
 127         printf("Low/warn granularity:\t%d %s\n", battio.bif.gra1, pwr_units);
 128         printf("Warn/full granularity:\t%d %s\n", battio.bif.gra2, pwr_units);
 129         printf("Model number:\t\t%s\n", battio.bif.model);
 130         printf("Serial number:\t\t%s\n", battio.bif.serial);
 131         printf("Type:\t\t\t%s\n", battio.bif.type);
 132         printf("OEM info:\t\t%s\n", battio.bif.oeminfo);
 133
 134         return (0);
 135 }
 136
 137 static void
 138 usage(const char* prog)
 139 {
 140         printf("usage: %s [-deh] [-i batt] [-s 1-5]\n", prog);
 141         exit(0);
 142 }
 143
 144 int
 145 main(int argc, char *argv[])
 146 {
 147         char    c, *prog;
 148         int     sleep_type;
 149
 150         prog = argv[0];
 151         if (argc < 2)
 152                 usage(prog);
 153                 /* NOTREACHED */
 154
 155         sleep_type = -1;
 156         acpi_init();
 157         while ((c = getopt(argc, argv, "dehi:s:")) != -1) {
 158                 switch (c) {
 159                 case 'i':
 160                         acpi_battinfo(atoi(optarg));
 161                         break;
 162                 case 'd':
 163                         acpi_enable_disable(ACPIIO_DISABLE);
 164                         break;
 165                 case 'e':
 166                         acpi_enable_disable(ACPIIO_ENABLE);
 167                         break;
 168                 case 's':
 169                         if (optarg[0] == 'S')
 170                                 sleep_type = optarg[1] - '0';
 171                         else
 172                                 sleep_type = optarg[0] - '0';
 173                         if (sleep_type < 0 || sleep_type > 5)
 174                                 errx(EX_USAGE, "invalid sleep type (%d)",
 175                                      sleep_type);
 176                         break;
 177                 case 'h':
 178                 default:
 179                         usage(prog);
 180                         /* NOTREACHED */
 181                 }
 182         }
 183         argc -= optind;
 184         argv += optind;
 185
 186         if (sleep_type != -1) {
 187                 sleep(1);       /* wait 1 sec. for key-release event */
 188                 acpi_sleep(sleep_type);
 189         }
 190
 191         close(acpifd);
 192         exit (0);
 193 }