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/* Copyright 2004-2007 Fabian Nowak (timystery@arcor.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Note for programmers and editors: Try to use 4 spaces instead of Tab! */
#ifndef XFCE4_SENSORS_ACPI_H
#define XFCE4_SENSORS_ACPI_H
#define ACPI_PATH "/proc/acpi"
#define ACPI_DIR_THERMAL "thermal_zone"
#define ACPI_DIR_BATTERY "battery"
#define ACPI_DIR_FAN "fan"
#define ACPI_FILE_THERMAL "temperature"
#define ACPI_FILE_BATTERY_STATE "state"
#define ACPI_FILE_BATTERY_INFO "info"
#define ACPI_FILE_FAN "state"
#define ACPI_INFO "info_"
#include <glib/garray.h>
#include <dirent.h> /* directory listing and reading */
#include "types.h"
/*
* Initialize ACPI by ?
* @Return: Number of initialized chips
* @Param: Pointer to array of chips
*/
int initialize_ACPI (GPtrArray *chips);
/*
* Refreshs an ACPI chip's feature in sense of raw and formatted value
* @Param chip_feature: Pointer to feature
*/
void refresh_acpi (gpointer chip_feature, gpointer data);
/*
* Read a double value from zone. Calls get_acpi_value with prolonged path.
* @Param zone: zone name under /proc/acpi including the subdir for one zone.
* @Param file: file to read information from, e.g. info.
* @Return: value read in first line of file after keyword and colon.
*/
double get_acpi_zone_value (char *zone, char *file);
/*
* Read a double value from status file for fans.
* When status is on, result is 1.0; else it is 0.0.
* @Param zone: file to read information from, e.g. state.
* @Return: valued read in any line starting with "status:", converted to 1 or 0
*/
double get_fan_zone_value (char *zone);
/*
* Read a double value from special subzone denoted by name.
* @Param name: name in the /pro/acpi/battery directory.
* @Param chipfeature: pointer to chipfeature to get a max value.
*/
void get_battery_max_value (char *name, t_chipfeature *chipfeature);
/*
* Read information from the thermal zone.
* @Param chip: Pointer to already allocated chip, where values can be added.
* @Return: 0 on success
*/
int read_thermal_zone (t_chip *chip);
/*
* Read information from the battery zone.
* @Param chip: Pointer to already allocated chip, where values can be added.
* @Return: 0 on success
*/
int read_battery_zone (t_chip *chip);
/*
* Read information from the fan zone.
* @Param chip: Pointer to already allocated chip, where values can be added.
* @Return: 0 on success
*/
int read_fan_zone (t_chip *chip);
/*
* Returns the ACPI version number from /proc/acpi/info file.
* @Return: versionnumber as string!
*/
char * get_acpi_info ();
/*
* Get the string found in filename after the colon. To make a double out of
* it, strtod is suitable.
* @Param filename: Complete path to file to be inspected.
* @Return: String of value found, "<Unknown>" otherwise.
*/
char * get_acpi_value (char *filename);
/*
* Get the battery percentage from the battery information.
* @Param zone: Complete zone path including both e.g. "battery" and "BAT0"
* @Return double value of current battery power
*/
double get_battery_zone_value (char *zone);
/*
* Indicates whether a given directory entry should be ignored as it's not
* "temperature".
* @Param de: pointer to directory entry.
* @Return: 1 on ignore, else 0
*/
int acpi_ignore_directory_entry (struct dirent *de);
#endif /* XFCE4_SENSORS_ACPI_H */
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