1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $Id: acpiconf.c,v 1.5 2000/08/08 14:12:19 iwasaki 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 <dev/acpica/acpiio.h> 41 42 #include <contrib/dev/acpica/include/acpi.h> 43 44 #define ACPIDEV "/dev/acpi" 45 46 static int acpifd; 47 48 static void 49 acpi_init(void) 50 { 51 acpifd = open(ACPIDEV, O_RDWR); 52 if (acpifd == -1) 53 acpifd = open(ACPIDEV, O_RDONLY); 54 if (acpifd == -1) 55 err(EX_OSFILE, ACPIDEV); 56 } 57 58 /* Prepare to sleep and then wait for the signal that sleeping can occur. */ 59 static void 60 acpi_sleep(int sleep_type) 61 { 62 int ret; 63 64 /* Notify OS that we want to sleep. devd(8) gets this notify. */ 65 ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type); 66 if (ret != 0) 67 err(EX_IOERR, "request sleep type (%d) failed", sleep_type); 68 } 69 70 /* Ack or abort a pending suspend request. */ 71 static void 72 acpi_sleep_ack(int err_val) 73 { 74 int ret; 75 76 ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val); 77 if (ret != 0) 78 err(EX_IOERR, "ack sleep type failed"); 79 } 80 81 /* should be a acpi define, but doesn't appear to be */ 82 #define UNKNOWN_CAP 0xffffffff 83 #define UNKNOWN_VOLTAGE 0xffffffff 84 85 static int 86 acpi_battinfo(int num) 87 { 88 union acpi_battery_ioctl_arg battio; 89 const char *pwr_units; 90 int hours, min, amp; 91 uint32_t volt; 92 93 if (num < 0 || num > 64) 94 errx(EX_USAGE, "invalid battery %d", num); 95 96 /* Print battery design information. */ 97 battio.unit = num; 98 if (ioctl(acpifd, ACPIIO_BATT_GET_BIX, &battio) == -1) 99 err(EX_IOERR, "get battery info (%d) failed", num); 100 amp = battio.bix.units; 101 pwr_units = amp ? "mA" : "mW"; 102 if (battio.bix.dcap == UNKNOWN_CAP) 103 printf("Design capacity:\tunknown\n"); 104 else 105 printf("Design capacity:\t%d %sh\n", battio.bix.dcap, 106 pwr_units); 107 if (battio.bix.lfcap == UNKNOWN_CAP) 108 printf("Last full capacity:\tunknown\n"); 109 else 110 printf("Last full capacity:\t%d %sh\n", battio.bix.lfcap, 111 pwr_units); 112 printf("Technology:\t\t%s\n", battio.bix.btech == 0 ? 113 "primary (non-rechargeable)" : "secondary (rechargeable)"); 114 if (ACPI_BIX_REV_MIN_CHECK(battio.bix.rev, ACPI_BIX_REV_1)) { 115 printf("Battery Swappable Capability:\t"); 116 if (battio.bix.scap == ACPI_BIX_SCAP_NO) 117 printf("Non-swappable\n"); 118 else if (battio.bix.scap == ACPI_BIX_SCAP_COLD) 119 printf("cold swap\n"); 120 else if (battio.bix.scap == ACPI_BIX_SCAP_HOT) 121 printf("hot swap\n"); 122 else 123 printf("unknown\n"); 124 } 125 if (battio.bix.dvol == UNKNOWN_CAP) 126 printf("Design voltage:\t\tunknown\n"); 127 else 128 printf("Design voltage:\t\t%d mV\n", battio.bix.dvol); 129 printf("Capacity (warn):\t%d %sh\n", battio.bix.wcap, pwr_units); 130 printf("Capacity (low):\t\t%d %sh\n", battio.bix.lcap, pwr_units); 131 if (ACPI_BIX_REV_MIN_CHECK(battio.bix.rev, ACPI_BIX_REV_0)) { 132 if (battio.bix.cycles != ACPI_BATT_UNKNOWN) 133 printf("Cycle Count:\t\t%d\n", battio.bix.cycles); 134 printf("Measurement Accuracy:\t%d%%\n", 135 battio.bix.accuracy / 1000); 136 if (battio.bix.stmax != ACPI_BATT_UNKNOWN) 137 printf("Max Sampling Time:\t%d ms\n", 138 battio.bix.stmax); 139 if (battio.bix.stmin != ACPI_BATT_UNKNOWN) 140 printf("Min Sampling Time:\t%d ms\n", 141 battio.bix.stmin); 142 printf("Max Average Interval:\t%d ms\n", 143 battio.bix.aimax); 144 printf("Min Average Interval:\t%d ms\n", 145 battio.bix.aimin); 146 } 147 printf("Low/warn granularity:\t%d %sh\n", battio.bix.gra1, pwr_units); 148 printf("Warn/full granularity:\t%d %sh\n", battio.bix.gra2, pwr_units); 149 printf("Model number:\t\t%s\n", battio.bix.model); 150 printf("Serial number:\t\t%s\n", battio.bix.serial); 151 printf("Type:\t\t\t%s\n", battio.bix.type); 152 printf("OEM info:\t\t%s\n", battio.bix.oeminfo); 153 154 /* Fetch battery voltage information. */ 155 volt = UNKNOWN_VOLTAGE; 156 battio.unit = num; 157 if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1) 158 err(EX_IOERR, "get battery status (%d) failed", num); 159 if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT) 160 volt = battio.bst.volt; 161 162 /* Print current battery state information. */ 163 battio.unit = num; 164 if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1) 165 err(EX_IOERR, "get battery user info (%d) failed", num); 166 if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) { 167 const char *state; 168 switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) { 169 case 0: 170 state = "high"; 171 break; 172 case ACPI_BATT_STAT_DISCHARG: 173 state = "discharging"; 174 break; 175 case ACPI_BATT_STAT_CHARGING: 176 state = "charging"; 177 break; 178 case ACPI_BATT_STAT_CRITICAL: 179 state = "critical"; 180 break; 181 case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL: 182 state = "critical discharging"; 183 break; 184 case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL: 185 state = "critical charging"; 186 break; 187 default: 188 state = "invalid"; 189 } 190 printf("State:\t\t\t%s\n", state); 191 if (battio.battinfo.cap == -1) 192 printf("Remaining capacity:\tunknown\n"); 193 else 194 printf("Remaining capacity:\t%d%%\n", 195 battio.battinfo.cap); 196 if (battio.battinfo.min == -1) 197 printf("Remaining time:\t\tunknown\n"); 198 else { 199 hours = battio.battinfo.min / 60; 200 min = battio.battinfo.min % 60; 201 printf("Remaining time:\t\t%d:%02d\n", hours, min); 202 } 203 if (battio.battinfo.rate == -1) 204 printf("Present rate:\t\tunknown\n"); 205 else if (amp && volt != UNKNOWN_VOLTAGE) { 206 printf("Present rate:\t\t%d mA (%d mW)\n", 207 battio.battinfo.rate, 208 battio.battinfo.rate * volt / 1000); 209 } else 210 printf("Present rate:\t\t%d %s\n", 211 battio.battinfo.rate, pwr_units); 212 } else 213 printf("State:\t\t\tnot present\n"); 214 215 /* Print battery voltage information. */ 216 if (volt == UNKNOWN_VOLTAGE) 217 printf("Present voltage:\tunknown\n"); 218 else 219 printf("Present voltage:\t%d mV\n", volt); 220 221 return (0); 222 } 223 224 static void 225 usage(const char* prog) 226 { 227 printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog); 228 exit(0); 229 } 230 231 int 232 main(int argc, char *argv[]) 233 { 234 char *prog, *end; 235 int c, sleep_type, battery, ack; 236 int iflag = 0, kflag = 0, sflag = 0; 237 238 prog = argv[0]; 239 if (argc < 2) 240 usage(prog); 241 /* NOTREACHED */ 242 243 sleep_type = -1; 244 acpi_init(); 245 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) { 246 switch (c) { 247 case 'i': 248 iflag = 1; 249 battery = strtol(optarg, &end, 10); 250 if ((size_t)(end - optarg) != strlen(optarg)) 251 errx(EX_USAGE, "invalid battery"); 252 break; 253 case 'k': 254 kflag = 1; 255 ack = strtol(optarg, &end, 10); 256 if ((size_t)(end - optarg) != strlen(optarg)) 257 errx(EX_USAGE, "invalid ack argument"); 258 break; 259 case 's': 260 sflag = 1; 261 if (optarg[0] == 'S') 262 optarg++; 263 sleep_type = strtol(optarg, &end, 10); 264 if ((size_t)(end - optarg) != strlen(optarg)) 265 errx(EX_USAGE, "invalid sleep type"); 266 if (sleep_type < 1 || sleep_type > 4) 267 errx(EX_USAGE, "invalid sleep type (%d)", 268 sleep_type); 269 break; 270 case 'h': 271 default: 272 usage(prog); 273 /* NOTREACHED */ 274 } 275 } 276 argc -= optind; 277 argv += optind; 278 279 if (iflag != 0 && kflag != 0 && sflag != 0) 280 errx(EX_USAGE, "-i, -k and -s are mutually exclusive"); 281 282 if (iflag != 0) { 283 if (kflag != 0) 284 errx(EX_USAGE, "-i and -k are mutually exclusive"); 285 if (sflag != 0) 286 errx(EX_USAGE, "-i and -s are mutually exclusive"); 287 acpi_battinfo(battery); 288 } 289 290 if (kflag != 0) { 291 if (sflag != 0) 292 errx(EX_USAGE, "-k and -s are mutually exclusive"); 293 acpi_sleep_ack(ack); 294 } 295 296 297 if (sflag != 0) 298 acpi_sleep(sleep_type); 299 300 close(acpifd); 301 exit (0); 302 } 303