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, *ptr; 192 int sleep_type; 193 194 prog = argv[0]; 195 if (strstr((ptr = strrchr(prog, '/')) ? ptr + 1 : prog, "apm") != 0) { 196 acpi_init(); 197 acpi_battinfo(0); 198 close(acpifd); 199 exit(0); 200 } else if (argc < 2) { 201 usage(prog); 202 /* NOTREACHED */ 203 } 204 205 sleep_type = -1; 206 acpi_init(); 207 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) { 208 switch (c) { 209 case 'i': 210 acpi_battinfo(atoi(optarg)); 211 break; 212 case 'k': 213 acpi_sleep_ack(atoi(optarg)); 214 break; 215 case 's': 216 if (optarg[0] == 'S') 217 sleep_type = optarg[1] - '0'; 218 else 219 sleep_type = optarg[0] - '0'; 220 if (sleep_type < 1 || sleep_type > 4) 221 errx(EX_USAGE, "invalid sleep type (%d)", 222 sleep_type); 223 break; 224 case 'h': 225 default: 226 usage(prog); 227 /* NOTREACHED */ 228 } 229 } 230 argc -= optind; 231 argv += optind; 232 233 if (sleep_type != -1) 234 acpi_sleep(sleep_type); 235 236 close(acpifd); 237 exit (0); 238 } 239