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 printf("State:\t\t\t"); 140 if (battio.battinfo.state == 0) 141 printf("high "); 142 if (battio.battinfo.state & ACPI_BATT_STAT_CRITICAL) 143 printf("critical "); 144 if (battio.battinfo.state & ACPI_BATT_STAT_DISCHARG) 145 printf("discharging "); 146 if (battio.battinfo.state & ACPI_BATT_STAT_CHARGING) 147 printf("charging "); 148 printf("\n"); 149 if (battio.battinfo.cap == -1) 150 printf("Remaining capacity:\tunknown\n"); 151 else 152 printf("Remaining capacity:\t%d%%\n", 153 battio.battinfo.cap); 154 if (battio.battinfo.min == -1) 155 printf("Remaining time:\t\tunknown\n"); 156 else { 157 hours = battio.battinfo.min / 60; 158 min = battio.battinfo.min % 60; 159 printf("Remaining time:\t\t%d:%02d\n", hours, min); 160 } 161 if (battio.battinfo.rate == -1) 162 printf("Present rate:\t\tunknown\n"); 163 else if (amp && volt != UNKNOWN_VOLTAGE) { 164 printf("Present rate:\t\t%d mA (%d mW)\n", 165 battio.battinfo.rate, 166 battio.battinfo.rate * volt / 1000); 167 } else 168 printf("Present rate:\t\t%d %s\n", 169 battio.battinfo.rate, pwr_units); 170 } else 171 printf("State:\t\t\tnot present\n"); 172 173 /* Print battery voltage information. */ 174 if (volt == UNKNOWN_VOLTAGE) 175 printf("Present voltage:\tunknown\n"); 176 else 177 printf("Present voltage:\t%d mV\n", volt); 178 179 return (0); 180 } 181 182 static void 183 usage(const char* prog) 184 { 185 printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog); 186 exit(0); 187 } 188 189 int 190 main(int argc, char *argv[]) 191 { 192 char c, *prog; 193 int sleep_type; 194 195 prog = argv[0]; 196 if (argc < 2) 197 usage(prog); 198 /* NOTREACHED */ 199 200 sleep_type = -1; 201 acpi_init(); 202 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) { 203 switch (c) { 204 case 'i': 205 acpi_battinfo(atoi(optarg)); 206 break; 207 case 'k': 208 acpi_sleep_ack(atoi(optarg)); 209 break; 210 case 's': 211 if (optarg[0] == 'S') 212 sleep_type = optarg[1] - '0'; 213 else 214 sleep_type = optarg[0] - '0'; 215 if (sleep_type < 1 || sleep_type > 4) 216 errx(EX_USAGE, "invalid sleep type (%d)", 217 sleep_type); 218 break; 219 case 'h': 220 default: 221 usage(prog); 222 /* NOTREACHED */ 223 } 224 } 225 argc -= optind; 226 argv += optind; 227 228 if (sleep_type != -1) 229 acpi_sleep(sleep_type); 230 231 close(acpifd); 232 exit (0); 233 } 234