wmacpi/libacpi.h

   1 #ifndef _LIBACPI_H_
   2 #define _LIBACPI_H_
   3
   4
   5 #define LIBACPI_VER "0.95"
   6
   7 /* Here because we need it for definitions in this file . . . */
   8 #define MAX_NAME 128
   9 #define MAXBATT 8
  10 #define SAMPLES 50
  11 #define CAP_SAMPLES (SAMPLES*10)
  12
  13 typedef enum {
  14     REMAIN,
  15     TIMER
  16 } DspMode;
  17
  18 typedef enum {
  19     AC,
  20     BATT,
  21     PS_ERR,
  22 } power_state_t;
  23
  24 typedef enum {
  25     HIGH,
  26     MED,
  27     LOW,
  28     CRIT,
  29     BS_ERR,
  30 } batt_state_t;
  31
  32 typedef enum {
  33     CHARGE,
  34     DISCHARGE,
  35     FULL,
  36     NO_CHARGE,
  37     CH_ERR,
  38 } charge_state_t;
  39
  40 typedef enum {
  41     SYSFS_CAPA_ENERGY,
  42     SYSFS_CAPA_CHARGE,
  43     SYSFS_CAPA_PERCENT,
  44     SYSFS_CAPA_ERR,
  45 } sysfs_capa_t;
  46
  47 typedef struct {
  48     /* general info */
  49     char name[MAX_NAME];
  50     /* these two are conveniences */
  51     char info_file[MAX_NAME];
  52     char state_file[MAX_NAME];
  53     /* sysfs capacity mode */
  54     sysfs_capa_t sysfs_capa_mode;
  55     int present;
  56     int design_cap;             /* assuming mAh */
  57     int last_full_cap;
  58     int design_voltage;         /* in mV */
  59     /* state info */
  60     charge_state_t charge_state;
  61     int present_rate;           /* in mAh */
  62     int remaining_cap;          /* in mAh */
  63     int present_voltage;        /* in mV */
  64     /* calculated states */
  65     batt_state_t state;
  66     int percentage;             /* stored here because this is a per battery thing */
  67     int charge_time;            /* time left to charge this battery */
  68     /* and a flag to indicate that this is valid . . . */
  69     int valid;
  70     /* number of times we've gotten bad info on this battery's present rate */
  71     int bad_count;
  72 } battery_t;
  73
  74 typedef struct {
  75     char *name;
  76     char state_file[MAX_NAME];
  77     power_state_t power;
  78 } adapter_t;
  79
  80 /* how to calculate the time remaining */
  81 enum rtime_mode {
  82     RT_RATE,                    /* using the current rate, as per the ACPI spec */
  83     RT_CAP,                     /* using the remaining capacity over time */
  84 };
  85
  86 typedef struct {
  87     int rtime;                  /* remaining time */
  88     int timer;                  /* how long been on battery? */
  89     int crit_level;             /* anything below this is critical low */
  90     int battery_count;          /* number of batteries found */
  91     enum rtime_mode rt_mode;    /* remaining time mode */
  92     int rt_forced;              /* was our rt_mode forced? if so, we do what we were told */
  93     battery_t *binfo;           /* pointer to the battery being monitored */
  94     adapter_t adapter;
  95 } global_t;
  96
  97 /*
  98  * Moving percentage to the battery is right, but I think we need a global
  99  * remaining capacity somewhere, too . . .
 100  */
 101
 102 /*
 103  * To provide a convenient debugging function . . .
 104  *
 105  * It's a macro because I'm too lazy to deal with varargs.
 106  */
 107
 108 #define pdebug(fmt, arg...)                             \
 109     do {                                                \
 110         if (verbosity > 2)                              \
 111             fprintf(stderr, fmt, ##arg);                \
 112     } while (0)
 113
 114 #define pinfo(fmt, arg...)                              \
 115     do {                                                \
 116         if (verbosity > 1)                              \
 117             fprintf(stderr, fmt, ##arg);                \
 118     } while (0)
 119
 120 #define perr(fmt, arg...)                               \
 121     do {                                                \
 122         if (verbosity > 0)                              \
 123             fprintf(stderr, fmt, ##arg);                \
 124     } while (0)
 125
 126 #define pfatal(fmt, arg...)                             \
 127     fprintf(stderr, fmt, ##arg)                         \
 128
 129
 130 /* Since these /are/ needed here . . . */
 131 extern battery_t batteries[MAXBATT];
 132 extern int verbosity;
 133
 134 /* check if apm/acpi is enabled, etc */
 135 int power_init(global_t *globals);
 136 /* reinitialise everything */
 137 int power_reinit(global_t *globals);
 138 int reinit_ac_adapters(global_t *globals);
 139 int reinit_batteries(global_t *globals);
 140
 141 /* fill global_t with data */
 142 void acquire_batt_info(global_t *globals, int batt);
 143 void acquire_all_batt_info(global_t *globals);
 144 void acquire_global_info(global_t *globals);
 145 void acquire_all_info(global_t *globals);
 146
 147 #endif /* _WMACPI_H_ */