sleepd-git/from_apmd.h

   1 /* apm.h -- Header file for sample APM interface routines
   2  * Created: Mon Jan  8 11:40:50 1996 by r.faith@ieee.org
   3  * Revised: Thu Apr  4 21:57:31 1996 by r.faith@ieee.org
   4  * Copyright 1996 Rickard E. Faith (r.faith@ieee.org)
   5  *
   6  * This library is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Library General Public License as published
   8  * by the Free Software Foundation; either version 2 of the License, or (at
   9  * your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  * $Id: apm.h,v 1.7 1999/07/05 22:31:11 apenwarr Exp $
  21  *
  22  */
  23 #include <linux/apm_bios.h>
  24 #include <sys/types.h>
  25
  26 #define APM_PROC   "/proc/apm"
  27 #define APM_DEVICE "/dev/apm_bios"
  28
  29 #define APM_DEV  "/proc/devices"
  30 #define APM_NAME "apm_bios"
  31
  32 #ifndef APM_32_BIT_SUPPORT
  33 #define APM_32_BIT_SUPPORT      0x0002
  34 #endif
  35
  36 typedef struct apm_info
  37 {
  38     const char driver_version[10];
  39     int apm_version_major;
  40     int apm_version_minor;
  41     int apm_flags;
  42     int ac_line_status;
  43     int battery_status;
  44     int battery_flags;
  45     int battery_percentage;
  46     int battery_time;
  47     int using_minutes;
  48 }
  49 apm_info;
  50
  51 /*
  52  * Encodings for apm_info
  53  */
  54 #define AC_LINE_STATUS_OFF      (0)
  55 #define AC_LINE_STATUS_ON       (1)
  56 #define AC_LINE_STATUS_BACKUP   (2)
  57 #define AC_LINE_STATUS_UNKNOWN  (0xff)
  58
  59 #define BATTERY_STATUS_HIGH     (0)
  60 #define BATTERY_STATUS_LOW      (1)
  61 #define BATTERY_STATUS_CRITICAL (2)
  62 #define BATTERY_STATUS_CHARGING (3)
  63 #define BATTERY_STATUS_ABSENT   (4)
  64 #define BATTERY_STATUS_UNKNOWN  (0xff)
  65
  66 #define BATTERY_FLAGS_HIGH      (0x1)
  67 #define BATTERY_FLAGS_LOW       (0x2)
  68 #define BATTERY_FLAGS_CRITICAL  (0x4)
  69 #define BATTERY_FLAGS_CHARGING  (0x8)
  70 #define BATTERY_FLAGS_ABSENT    (0x80)
  71
  72 #define BATTERY_PERCENTAGE_UNKNOWN  (-1)
  73
  74 #define BATTERY_TIME_UNKNOWN        (-1)
  75
  76 extern int apm_exists(void);
  77 extern int apm_read(apm_info * i);
  78 extern dev_t apm_dev(void);
  79 extern int apm_open(void);
  80 extern int apm_close(int fd);
  81 extern int apm_get_events(int fd, int timeout, apm_event_t * events, int n);
  82 extern int apm_suspend(int fd);
  83 extern int apm_standby(int fd);
  84 extern int apm_set_ignore(int fd, int mode);
  85 extern const char *apm_error_name( unsigned int err );
  86 extern const char *apm_event_name(apm_event_t event);
  87 extern const char *apm_time(time_t t);
  88 extern const char *apm_delta_time(time_t then, time_t now);
  89 extern const char *apm_time_nosec(time_t t);
  90
  91 #ifdef APM_IOC_REJECT
  92 extern int apm_reject(int fd);
  93 #else
  94 #define apm_reject(fd)   (-EINVAL)
  95 #endif