1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
2 * vim: ts=4 sw=4 noet ai cindent syntax=c
4 * Conky, a system monitor, based on torsmo
6 * Any original torsmo code is licensed under the BSD license
8 * All code written since the fork of torsmo is licensed under the GPL
10 * Please see COPYING for details
12 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
13 * Copyright (c) 2007 Toni Spets
14 * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
16 * All rights reserved.
18 * This program is free software: you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation, either version 3 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program. If not, see <http://www.gnu.org/licenses/>.
36 #include "temphelper.h"
43 static int ibm_acpi_temps[8];
45 /* Here come the IBM ACPI-specific things. For reference, see
46 * http://ibm-acpi.sourceforge.net/README
47 * If IBM ACPI is installed, /proc/acpi/ibm contains the following files:
63 * The content of these files is described in detail in the aforementioned
64 * README - some of them also in the following functions accessing them.
65 * Peter Tarjan (ptarjan@citromail.hu) */
67 #define IBM_ACPI_DIR "/proc/acpi/ibm"
69 /* get fan speed on IBM/Lenovo laptops running the ibm acpi.
70 * /proc/acpi/ibm/fan looks like this (3 lines):
73 commands: enable, disable
74 * Peter Tarjan (ptarjan@citromail.hu) */
76 int get_ibm_acpi_fan(struct text_object *obj, char *p, int p_max_size)
79 unsigned int speed = 0;
84 if (!p || p_max_size <= 0) {
88 snprintf(fan, 127, "%s/fan", IBM_ACPI_DIR);
95 if (fgets(line, 255, fp) == NULL) {
98 if (sscanf(line, "speed: %u", &speed)) {
103 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
104 "ibm* from your "PACKAGE_NAME" config file.", fan, strerror(errno));
108 snprintf(p, p_max_size, "%d", speed);
112 /* get the measured temperatures from the temperature sensors
113 * on IBM/Lenovo laptops running the ibm acpi.
114 * There are 8 values in /proc/acpi/ibm/thermal, and according to
115 * http://ibm-acpi.sourceforge.net/README
116 * these mean the following (at least on an IBM R51...)
117 * 0: CPU (also on the T series laptops)
118 * 1: Mini PCI Module (?)
120 * 3: GPU (also on the T series laptops)
125 * I'm not too sure about those with the question mark, but the values I'm
126 * reading from *my* thermal file (on a T42p) look realistic for the
127 * hdd and the battery.
128 * #5 and #7 are always -128.
129 * /proc/acpi/ibm/thermal looks like this (1 line):
130 temperatures: 41 43 31 46 33 -128 29 -128
131 * Peter Tarjan (ptarjan@citromail.hu) */
133 int get_ibm_acpi_temps(void)
139 snprintf(thermal, 127, "%s/thermal", IBM_ACPI_DIR);
140 fp = fopen(thermal, "r");
146 if (fgets(line, 255, fp) == NULL) {
149 if (sscanf(line, "temperatures: %d %d %d %d %d %d %d %d",
150 &ibm_acpi_temps[0], &ibm_acpi_temps[1], &ibm_acpi_temps[2],
151 &ibm_acpi_temps[3], &ibm_acpi_temps[4], &ibm_acpi_temps[5],
152 &ibm_acpi_temps[6], &ibm_acpi_temps[7])) {
157 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
158 "ibm* from your "PACKAGE_NAME" config file.", thermal, strerror(errno));
165 /* get volume (0-14) on IBM/Lenovo laptops running the ibm acpi.
166 * "Volume" here is none of the mixer volumes, but a "master of masters"
167 * volume adjusted by the IBM volume keys.
168 * /proc/acpi/ibm/fan looks like this (4 lines):
171 commands: up, down, mute
172 commands: level <level> (<level> is 0-15)
173 * Peter Tarjan (ptarjan@citromail.hu) */
175 void get_ibm_acpi_volume(struct text_object *obj, char *p, int p_max_size)
179 unsigned int vol = -1;
184 if (!p || p_max_size <= 0) {
188 snprintf(volume, 127, "%s/volume", IBM_ACPI_DIR);
190 fp = fopen(volume, "r");
194 unsigned int read_vol = -1;
196 if (fgets(line, 255, fp) == NULL) {
199 if (sscanf(line, "level: %u", &read_vol)) {
203 if (sscanf(line, "mute: %s", mute)) {
208 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
209 "ibm* from your "PACKAGE_NAME" config file.", volume, strerror(errno));
214 if (strcmp(mute, "on") == 0)
215 snprintf(p, p_max_size, "%s", "mute");
217 snprintf(p, p_max_size, "%d", vol);
220 /* static FILE *fp = NULL; */
222 /* get LCD brightness on IBM/Lenovo laptops running the ibm acpi.
223 * /proc/acpi/ibm/brightness looks like this (3 lines):
226 commands: level <level> (<level> is 0-7)
227 * Peter Tarjan (ptarjan@citromail.hu) */
229 void get_ibm_acpi_brightness(struct text_object *obj, char *p, int p_max_size)
232 unsigned int brightness = 0;
237 if (!p || p_max_size <= 0) {
241 snprintf(filename, 127, "%s/brightness", IBM_ACPI_DIR);
243 fp = fopen(filename, "r");
248 if (fgets(line, 255, fp) == NULL) {
251 if (sscanf(line, "level: %u", &brightness)) {
256 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
257 "ibm* from your "PACKAGE_NAME" config file.", filename, strerror(errno));
262 snprintf(p, p_max_size, "%d", brightness);
265 void parse_ibm_temps_arg(struct text_object *obj, const char *arg)
267 if (!isdigit(arg[0]) || strlen(arg) > 1 || atoi(&arg[0]) >= 8) {
269 NORM_ERR("Invalid temperature sensor! Sensor number must be 0 to 7. "
270 "Using 0 (CPU temp sensor).");
272 obj->data.l = atoi(arg);
275 void print_ibm_temps(struct text_object *obj, char *p, int p_max_size)
277 temp_print(p, p_max_size, ibm_acpi_temps[obj->data.l], TEMP_CELSIUS);