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: releng/10.3/usr.sbin/acpi/acpiconf/acpiconf.c 281389 2015-04-11 01:17:19Z jkim $
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
45static int	acpifd;
46
47static void
48acpi_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. */
58static void
59acpi_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. */
70static void
71acpi_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
84static int
85acpi_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		const char *state;
140		switch (battio.battinfo.state & ACPI_BATT_STAT_BST_MASK) {
141		case 0:
142			state = "high";
143			break;
144		case ACPI_BATT_STAT_DISCHARG:
145			state = "discharging";
146			break;
147		case ACPI_BATT_STAT_CHARGING:
148			state = "charging";
149			break;
150		case ACPI_BATT_STAT_CRITICAL:
151			state = "critical";
152			break;
153		case ACPI_BATT_STAT_DISCHARG | ACPI_BATT_STAT_CRITICAL:
154			state = "critical discharging";
155			break;
156		case ACPI_BATT_STAT_CHARGING | ACPI_BATT_STAT_CRITICAL:
157			state = "critical charging";
158			break;
159		default:
160			state = "invalid";
161		}
162		printf("State:\t\t\t%s\n", state);
163		if (battio.battinfo.cap == -1)
164			printf("Remaining capacity:\tunknown\n");
165		else
166			printf("Remaining capacity:\t%d%%\n",
167			    battio.battinfo.cap);
168		if (battio.battinfo.min == -1)
169			printf("Remaining time:\t\tunknown\n");
170		else {
171			hours = battio.battinfo.min / 60;
172			min = battio.battinfo.min % 60;
173			printf("Remaining time:\t\t%d:%02d\n", hours, min);
174		}
175		if (battio.battinfo.rate == -1)
176			printf("Present rate:\t\tunknown\n");
177		else if (amp && volt != UNKNOWN_VOLTAGE) {
178			printf("Present rate:\t\t%d mA (%d mW)\n",
179			    battio.battinfo.rate,
180			    battio.battinfo.rate * volt / 1000);
181		} else
182			printf("Present rate:\t\t%d %s\n",
183			    battio.battinfo.rate, pwr_units);
184	} else
185		printf("State:\t\t\tnot present\n");
186
187	/* Print battery voltage information. */
188	if (volt == UNKNOWN_VOLTAGE)
189		printf("Present voltage:\tunknown\n");
190	else
191		printf("Present voltage:\t%d mV\n", volt);
192
193	return (0);
194}
195
196static void
197usage(const char* prog)
198{
199	printf("usage: %s [-h] [-i batt] [-k ack] [-s 1-4]\n", prog);
200	exit(0);
201}
202
203int
204main(int argc, char *argv[])
205{
206	char	c, *prog;
207	int	sleep_type;
208
209	prog = argv[0];
210	if (argc < 2)
211		usage(prog);
212		/* NOTREACHED */
213
214	sleep_type = -1;
215	acpi_init();
216	while ((c = getopt(argc, argv, "hi:k:s:")) != -1) {
217		switch (c) {
218		case 'i':
219			acpi_battinfo(atoi(optarg));
220			break;
221		case 'k':
222			acpi_sleep_ack(atoi(optarg));
223			break;
224		case 's':
225			if (optarg[0] == 'S')
226				sleep_type = optarg[1] - '0';
227			else
228				sleep_type = optarg[0] - '0';
229			if (sleep_type < 1 || sleep_type > 4)
230				errx(EX_USAGE, "invalid sleep type (%d)",
231				     sleep_type);
232			break;
233		case 'h':
234		default:
235			usage(prog);
236			/* NOTREACHED */
237		}
238	}
239	argc -= optind;
240	argv += optind;
241
242	if (sleep_type != -1)
243		acpi_sleep(sleep_type);
244
245	close(acpifd);
246	exit (0);
247}
248