wmbattery/acpi.h

   1 /*
   2  * A not-yet-general-purpose ACPI library, by Joey Hess <joey@kitenet.net>
   3  */
   4
   5 /* Define ACPI_THERMAL to make the library support finding info about thermal
   6  * sources. */
   7 /* #define ACPI_THERMAL 1 */
   8
   9 /* Define ACPI_APM to get the acpi_read function, which is like apm_read. */
  10 /* #define ACPI_APM 1 */
  11
  12 /* The lowest version of ACPI proc files supported. */
  13 #define ACPI_VERSION 20011018
  14
  15 /* The number of acpi items of each class supported. */
  16 #define ACPI_MAXITEM 8
  17
  18 int acpi_supported(void);
  19 #ifdef ACPI_APM
  20 int acpi_read(int battery, apm_info *info);
  21 #endif
  22 char *get_acpi_file(const char *file);
  23 int scan_acpi_num(const char *buf, const char *key);
  24 char *scan_acpi_value(const char *buf, const char *key);
  25 char *get_acpi_value(const char *file, const char *key);
  26 int get_acpi_batt_capacity(int battery);
  27
  28 extern int acpi_batt_count;
  29 /* Filenames of the battery info files for each system battery. */
  30 extern char acpi_batt_info[ACPI_MAXITEM][128];
  31 /* Filenames of the battery status files for each system battery. */
  32 extern char acpi_batt_status[ACPI_MAXITEM][128];
  33 /* Stores battery capacity, or 0 if the battery is absent. */
  34 extern int acpi_batt_capacity[ACPI_MAXITEM];
  35
  36 extern int acpi_ac_count;
  37 extern char acpi_ac_adapter_info[ACPI_MAXITEM][128];
  38 extern char acpi_ac_adapter_status[ACPI_MAXITEM][128];
  39
  40 #if ACPI_THERMAL
  41 extern int acpi_thermal_count;
  42 extern char acpi_thermal_info[ACPI_MAXITEM][128];
  43 extern char acpi_thermal_status[ACPI_MAXITEM][128];
  44 #endif
  45
  46 /* This enum is used to index into the acpi_labels */
  47 enum acpi_labels_items {
  48         label_info,
  49         label_status,
  50         label_battery,
  51         label_ac_adapter,
  52         label_capacity,
  53         label_design_capacity,
  54         label_present,
  55         label_remaining_capacity,
  56         label_present_rate,
  57         label_charging_state,
  58 #if ACPI_THERMAL
  59         label_thermal,
  60 #endif
  61         label_ac_state,
  62         label_last_full_capacity,
  63 };
  64
  65 /* This is set to point to a list of strings used for the given acpi
  66  *  * version. */
  67 extern char *acpi_labels[];