acpiconf.c revision 330449
1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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: stable/11/usr.sbin/acpi/acpiconf/acpiconf.c 330449 2018-03-05 07:26:05Z eadler $ 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 47static int acpifd; 48 49static void 50acpi_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. */ 60static void 61acpi_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. */ 72static void 73acpi_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 86static int 87acpi_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 err(EX_USAGE, "invalid battery %d", num); 96 97 /* Print battery design information. */ 98 battio.unit = num; 99 if (ioctl(acpifd, ACPIIO_BATT_GET_BIF, &battio) == -1) 100 err(EX_IOERR, "get battery info (%d) failed", num); 101 amp = battio.bif.units; 102 pwr_units = amp ? "mA" : "mW"; 103 if (battio.bif.dcap == UNKNOWN_CAP) 104 printf("Design capacity:\tunknown\n"); 105 else 106 printf("Design capacity:\t%d %sh\n", battio.bif.dcap, 107 pwr_units); 108 if (battio.bif.lfcap == UNKNOWN_CAP) 109 printf("Last full capacity:\tunknown\n"); 110 else 111 printf("Last full capacity:\t%d %sh\n", battio.bif.lfcap, 112 pwr_units); 113 printf("Technology:\t\t%s\n", battio.bif.btech == 0 ? 114 "primary (non-rechargeable)" : "secondary (rechargeable)"); 115 if (battio.bif.dvol == UNKNOWN_CAP) 116 printf("Design voltage:\t\tunknown\n"); 117 else 118 printf("Design voltage:\t\t%d mV\n", battio.bif.dvol); 119 printf("Capacity (warn):\t%d %sh\n", battio.bif.wcap, pwr_units); 120 printf("Capacity (low):\t\t%d %sh\n", battio.bif.lcap, pwr_units); 121 printf("Low/warn granularity:\t%d %sh\n", battio.bif.gra1, pwr_units); 122 printf("Warn/full granularity:\t%d %sh\n", battio.bif.gra2, pwr_units); 123 printf("Model number:\t\t%s\n", battio.bif.model); 124 printf("Serial number:\t\t%s\n", battio.bif.serial); 125 printf("Type:\t\t\t%s\n", battio.bif.type); 126 printf("OEM info:\t\t%s\n", battio.bif.oeminfo); 127 128 /* Fetch battery voltage information. */ 129 volt = UNKNOWN_VOLTAGE; 130 battio.unit = num; 131 if (ioctl(acpifd, ACPIIO_BATT_GET_BST, &battio) == -1) 132 err(EX_IOERR, "get battery status (%d) failed", num); 133 if (battio.bst.state != ACPI_BATT_STAT_NOT_PRESENT) 134 volt = battio.bst.volt; 135 136 /* Print current battery state information. */ 137 battio.unit = num; 138 if (ioctl(acpifd, ACPIIO_BATT_GET_BATTINFO, &battio) == -1) 139 err(EX_IOERR, "get battery user info (%d) failed", num); 140 if (battio.battinfo.state != ACPI_BATT_STAT_NOT_PRESENT) { 141 const char *state; 142 switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) { 143 case 0: 144 state = "high"; 145 break; 146 case ACPI_BATT_STAT_DISCHARG: 147 state = "discharging"; 148 break; 149 case ACPI_BATT_STAT_CHARGING: 150 state = "charging"; 151 break; 152 case ACPI_BATT_STAT_CRITICAL: 153 state = "critical"; 154 break; 155 case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL: 156 state = "critical discharging"; 157 break; 158 case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL: 159 state = "critical charging"; 160 break; 161 default: 162 state = "invalid"; 163 } 164 printf("State:\t\t\t%s\n", state); 165 if (battio.battinfo.cap == -1) 166 printf("Remaining capacity:\tunknown\n"); 167 else 168 printf("Remaining capacity:\t%d%%\n", 169 battio.battinfo.cap); 170 if (battio.battinfo.min == -1) 171 printf("Remaining time:\t\tunknown\n"); 172 else { 173 hours = battio.battinfo.min / 60; 174 min = battio.battinfo.min % 60; 175 printf("Remaining time:\t\t%d:%02d\n", hours, min); 176 } 177 if (battio.battinfo.rate == -1) 178 printf("Present rate:\t\tunknown\n"); 179 else if (amp && volt != UNKNOWN_VOLTAGE) { 180 printf("Present rate:\t\t%d mA (%d mW)\n", 181 battio.battinfo.rate, 182 battio.battinfo.rate * volt / 1000); 183 } else 184 printf("Present rate:\t\t%d %s\n", 185 battio.battinfo.rate, pwr_units); 186 } else 187 printf("State:\t\t\tnot present\n"); 188 189 /* Print battery voltage information. */ 190 if (volt == UNKNOWN_VOLTAGE) 191 printf("Present voltage:\tunknown\n"); 192 else 193 printf("Present voltage:\t%d mV\n", volt); 194 195 return (0); 196} 197 198static void 199usage(const char* prog) 200{ 201 printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog); 202 exit(0); 203} 204 205int 206main(int argc, char *argv[]) 207{ 208 char *prog; 209 int c, sleep_type; 210 211 prog = argv[0]; 212 if (argc < 2) 213 usage(prog); 214 /* NOTREACHED */ 215 216 sleep_type = -1; 217 acpi_init(); 218 while ((c = getopt(argc, argv, "hi:k:s:")) != -1) { 219 switch (c) { 220 case 'i': 221 acpi_battinfo(atoi(optarg)); 222 break; 223 case 'k': 224 acpi_sleep_ack(atoi(optarg)); 225 break; 226 case 's': 227 if (optarg[0] == 'S') 228 sleep_type = optarg[1] - '0'; 229 else 230 sleep_type = optarg[0] - '0'; 231 if (sleep_type < 1 || sleep_type > 4) 232 errx(EX_USAGE, "invalid sleep type (%d)", 233 sleep_type); 234 break; 235 case 'h': 236 default: 237 usage(prog); 238 /* NOTREACHED */ 239 } 240 } 241 argc -= optind; 242 argv += optind; 243 244 if (sleep_type != -1) 245 acpi_sleep(sleep_type); 246 247 close(acpifd); 248 exit (0); 249} 250