libacpi.h

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/*
 * (C)opyright 2007 Nico Golde <nico@ngolde.de>
 * See LICENSE file for license details
 */

#ifndef __LIBACPI_H__
#define __LIBACPI_H__

#define PROC_ACPI "/proc/acpi/"
#define LINE_MAX 256
#define MAX_NAME 512
#define MAX_BUF 1024
#define MAX_ITEMS 10

enum {
        ITEM_EXCEED = -5,    
        DISABLED = -4,       
        NOT_PRESENT = -3,    
        ALLOC_ERR = -2,      
        NOT_SUPPORTED = -1,  
        SUCCESS              
};

typedef enum {
        P_AC,                
        P_BATT,              
        P_ERR                
} power_state_t;

typedef enum {
        T_CRIT,              
        T_HOT,               
        T_PASS,              
        T_ACT,               
        T_OK,                
        T_ERR                
} thermal_state_t;

typedef enum {
        C_CHARGE,     
        C_DISCHARGE,  
        C_CHARGED,    
        C_NOINFO,     
        C_ERR         
} charge_state_t;

typedef enum {
        B_HIGH,       
        B_MED,        
        B_LOW,        
        B_CRIT,       
        B_HARD_CRIT,  
        B_ERR         
} batt_state_t;

typedef enum {
        CO_ACT,       
        CO_PASS,      
        CO_CRIT,      
        CO_ERR        
} thermal_mode_t;

typedef enum {
        F_ON,         
        F_OFF,        
        F_ERR         
} fan_state_t;

typedef struct {
        char name[MAX_NAME];         
        char state_file[MAX_NAME];   
        fan_state_t fan_state;       
} fan_t;

typedef struct {
        char name[MAX_NAME];         
        char state_file[MAX_NAME];   
        char info_file[MAX_NAME];    
        char alarm_file[MAX_NAME];   
        int present;                 
        int design_cap;              
        int last_full_cap;           
        int design_voltage;          
        int present_rate;            
        int remaining_cap;           
        int present_voltage;         
        int design_warn;             
        int design_low;              
        int design_level1;           
        int design_level2;           
        int alarm;                   
        /* calculated states */
        int percentage;              
        int charge_time;             
        int remaining_time;          
        /* state info */
        charge_state_t charge_state; 
        batt_state_t batt_state;     
} battery_t;

typedef struct {
        char name[MAX_NAME];          
        int temperature;              
        int frequency;                
        char state_file[MAX_NAME];    
        char cooling_file[MAX_NAME];  
        char freq_file[MAX_NAME];     
        char trips_file[MAX_NAME];    
        char temp_file[MAX_NAME];     
        thermal_mode_t therm_mode;    
        thermal_state_t therm_state;  
} thermal_t;

typedef struct {
        char *name;                   
        char state_file[MAX_NAME];    
        power_state_t ac_state;       
} adapter_t;

typedef struct {
        int batt_count;               
        int thermal_count;            
        int fan_count;                
        int temperature;              
        adapter_t adapt;              
} global_t;

battery_t batteries[MAX_ITEMS];
thermal_t thermals[MAX_ITEMS];
fan_t fans[MAX_ITEMS];
int init_acpi_batt(global_t *globals);
int init_acpi_acadapt(global_t *globals);
int init_acpi_thermal(global_t *globals);
int init_acpi_fan(global_t *globals);

int check_acpi_support(void);

int read_acpi_batt(const int num);
void read_acpi_acstate(global_t *globals);
int read_acpi_zone(const int num, global_t *globals);
int read_acpi_fan(const int num);
#endif /* !__LIBACPI_H__ */

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