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 * $FreeBSD$ 30 */ 31 32 #include <sys/param.h> 33 34 #include <err.h> 35 #include <fcntl.h> 36 #include <stdio.h> 37 #include <sys/ioctl.h> 38 #include <sysexits.h> 39 #include <unistd.h> 40 41 #include <dev/acpica/acpiio.h> 42 43 #include <contrib/dev/acpica/include/acpi.h> 44 45 #define ACPIDEV "/dev/acpi" 46 47 static int acpifd; 48 49 static void 50 acpi_init(void) 51 { 52 acpifd = open(ACPIDEV, O_RDWR); 53 if (acpifd == -1) 54 acpifd = open(ACPIDEV, O_RDONLY); 55 if (acpifd == -1) 56 err(EX_OSFILE, ACPIDEV); 57 } 58 59 /* Prepare to sleep and then wait for the signal that sleeping can occur. */ 60 static void 61 acpi_sleep(int sleep_type) 62 { 63 int ret; 64 65 /* Notify OS that we want to sleep. devd(8) gets this notify. */ 66 ret = ioctl(acpifd, ACPIIO_REQSLPSTATE, &sleep_type); 67 if (ret != 0) 68 err(EX_IOERR, "request sleep type (%d) failed", sleep_type); 69 } 70 71 /* Ack or abort a pending suspend request. */ 72 static void 73 acpi_sleep_ack(int err_val) 74 { 75 int ret; 76 77 ret = ioctl(acpifd, ACPIIO_ACKSLPSTATE, &err_val); 78 if (ret != 0) 79 err(EX_IOERR, "ack sleep type failed"); 80 } 81 82 /* should be a acpi define, but doesn't appear to be */ 83 #define UNKNOWN_CAP 0xffffffff 84 #define UNKNOWN_VOLTAGE 0xffffffff 85 86 static int 87 acpi_battinfo(int num) 88 { 89 union acpi_battery_ioctl_arg battio; 90 const char *pwr_units; 91 int hours, min, amp; 92 uint32_t volt; 93 94 if (num < 0 || num > 64) 95 errx(EX_USAGE, "invalid battery %d", num); 96 97 /* Print battery design information. */ 98 battio.unit = num; 99 if (ioctl(acpifd, ACPIIO_BATT_GET_BIX, &battio) == -1) 100 err(EX_IOERR, "get battery info (%d) failed", num); 101 amp = battio.bix.units; 102 pwr_units = amp ? "mA" : "mW"; 103 if (battio.bix.dcap == UNKNOWN_CAP) 104 printf("Design capacity:\tunknown\n"); 105 else 106 printf("Design capacity:\t%d %sh\n", battio.bix.dcap, 107 pwr_units); 108 if (battio.bix.lfcap == UNKNOWN_CAP) 109 printf("Last full capacity:\tunknown\n"); 110 else 111 printf("Last full capacity:\t%d %sh\n", battio.bix.lfcap, 112 pwr_units); 113 printf("Technology:\t\t%s\n", battio.bix.btech == 0 ? 114 "primary (non-rechargeable)" : "secondary (rechargeable)"); 115 if (ACPI_BIX_REV_MIN_CHECK(battio.bix.rev, ACPI_BIX_REV_1)) { 116 printf("Battery Swappable Capability:\t"); 117 if (battio.bix.scap == ACPI_BIX_SCAP_NO) 118 printf("Non-swappable\n"); 119 else if (battio.bix.scap == ACPI_BIX_SCAP_COLD) 120 printf("cold swap\n"); 121 else if (battio.bix.scap == ACPI_BIX_SCAP_HOT) 122 printf("hot swap\n"); 123 else 124 printf("unknown\n"); 125 } 126 if (battio.bix.dvol == UNKNOWN_CAP) 127 printf("Design voltage:\t\tunknown\n"); 128 else 129 printf("Design voltage:\t\t%d mV\n", battio.bix.dvol); 130 printf("Capacity (warn):\t%d %sh\n", battio.bix.wcap, pwr_units); 131 printf("Capacity (low):\t\t%d %sh\n", battio.bix.lcap, pwr_units); 132 if (ACPI_BIX_REV_MIN_CHECK(battio.bix.rev, ACPI_BIX_REV_0)) { 133 if (battio.bix.cycles != ACPI_BATT_UNKNOWN) 134 printf("Cycle Count:\t\t%d\n", battio.bix.cycles); 135 printf("Measurement Accuracy:\t%d %%\n", 136 battio.bix.accuracy / 1000); 137 if (battio.bix.stmax != ACPI_BATT_UNKNOWN) 138 printf("Max Sampling Time:\t%d ms\n", 139 battio.bix.stmax); 140 if (battio.bix.stmin != ACPI_BATT_UNKNOWN) 141 printf("Min Sampling Time:\t%d ms\n", 142 battio.bix.stmin); 143 printf("Max Average Interval:\t%d ms\n", 144 battio.bix.aimax); 145 printf("Min Average Interval:\t%d ms\n", 146 battio.bix.aimin); 147 } 148 printf("Low/warn granularity:\t%d %sh\n", battio.bix.gra1, pwr_units); 149 printf("Warn/full granularity:\t%d %sh\n", battio.bix.gra2, pwr_units); 150 printf("Model number:\t\t%s\n", battio.bix.model); 151 printf("Serial number:\t\t%s\n", battio.bix.serial); 152 printf("Type:\t\t\t%s\n", battio.bix.type); 153 printf("OEM info:\t\t%s\n", battio.bix.oeminfo); 154 155 /* Fetch battery voltage information. */ 156 volt = UNKNOWN_VOLTAGE; 157 battio.unit = num; 158 if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1) 159 err(EX_IOERR, "get battery status (%d) failed", num); 160 if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT) 161 volt = battio.bst.volt; 162 163 /* Print current battery state information. */ 164 battio.unit = num; 165 if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1) 166 err(EX_IOERR, "get battery user info (%d) failed", num); 167 if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) { 168 const char *state; 169 switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) { 170 case 0: 171 state = "high"; 172 break; 173 case ACPI_BATT_STAT_DISCHARG: 174 state = "discharging"; 175 break; 176 case ACPI_BATT_STAT_CHARGING: 177 state = "charging"; 178 break; 179 case ACPI_BATT_STAT_CRITICAL: 180 state = "critical"; 181 break; 182 case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL: 183 state = "critical discharging"; 184 break; 185 case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL: 186 state = "critical charging"; 187 break; 188 default: 189 state = "invalid"; 190 } 191 printf("State:\t\t\t%s\n", state); 192 if (battio.battinfo.cap == -1) 193 printf("Remaining capacity:\tunknown\n"); 194 else 195 printf("Remaining capacity:\t%d%%\n", 196 battio.battinfo.cap); 197 if (battio.battinfo.min == -1) 198 printf("Remaining time:\t\tunknown\n"); 199 else { 200 hours = battio.battinfo.min / 60; 201 min = battio.battinfo.min % 60; 202 printf("Remaining time:\t\t%d:%02d\n", hours, min); 203 } 204 if (battio.battinfo.rate == -1) 205 printf("Present rate:\t\tunknown\n"); 206 else if (amp && volt != UNKNOWN_VOLTAGE) { 207 printf("Present rate:\t\t%d mA (%d mW)\n", 208 battio.battinfo.rate, 209 battio.battinfo.rate * volt / 1000); 210 } else 211 printf("Present rate:\t\t%d %s\n", 212 battio.battinfo.rate, pwr_units); 213 } else 214 printf("State:\t\t\tnot present\n"); 215 216 /* Print battery voltage information. */ 217 if (volt == UNKNOWN_VOLTAGE) 218 printf("Present voltage:\tunknown\n"); 219 else 220 printf("Present voltage:\t%d mV\n", volt); 221 222 return (0); 223 } 224 225 static void 226 usage(const char* prog) 227 { 228 printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog); 229 exit(0); 230 } 231 232 int 233 main(int argc, char *argv[]) 234 { 235 char *prog, *end; 236 int c, sleep_type, battery, ack; 237 int iflag = 0, kflag = 0, sflag = 0; 238 239 prog = argv[0]; 240 if (argc < 2) 241 usage(prog); 242 /* NOTREACHED */ 243 244 sleep_type = -1; 245 acpi_init(); 246 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) { 247 switch (c) { 248 case 'i': 249 iflag = 1; 250 battery = strtol(optarg, &end, 10); 251 if ((size_t)(end - optarg) != strlen(optarg)) 252 errx(EX_USAGE, "invalid battery"); 253 break; 254 case 'k': 255 kflag = 1; 256 ack = strtol(optarg, &end, 10); 257 if ((size_t)(end - optarg) != strlen(optarg)) 258 errx(EX_USAGE, "invalid ack argument"); 259 break; 260 case 's': 261 sflag = 1; 262 if (optarg[0] == 'S') 263 optarg++; 264 sleep_type = strtol(optarg, &end, 10); 265 if ((size_t)(end - optarg) != strlen(optarg)) 266 errx(EX_USAGE, "invalid sleep type"); 267 if (sleep_type < 1 || sleep_type > 4) 268 errx(EX_USAGE, "invalid sleep type (%d)", 269 sleep_type); 270 break; 271 case 'h': 272 default: 273 usage(prog); 274 /* NOTREACHED */ 275 } 276 } 277 argc -= optind; 278 argv += optind; 279 280 if (iflag != 0 && kflag != 0 && sflag != 0) 281 errx(EX_USAGE, "-i, -k and -s are mutually exclusive"); 282 283 if (iflag != 0) { 284 if (kflag != 0) 285 errx(EX_USAGE, "-i and -k are mutually exclusive"); 286 if (sflag != 0) 287 errx(EX_USAGE, "-i and -s are mutually exclusive"); 288 acpi_battinfo(battery); 289 } 290 291 if (kflag != 0) { 292 if (sflag != 0) 293 errx(EX_USAGE, "-k and -s are mutually exclusive"); 294 acpi_sleep_ack(ack); 295 } 296 297 298 if (sflag != 0) 299 acpi_sleep(sleep_type); 300 301 close(acpifd); 302 exit (0); 303 } 304