apm_bios.h 3.5 KB

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  1. /*
  2. * Include file for the interface to an APM BIOS
  3. * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
  4. *
  5. * This program is free software; you can redistribute it and/or modify it
  6. * under the terms of the GNU General Public License as published by the
  7. * Free Software Foundation; either version 2, or (at your option) any
  8. * later version.
  9. *
  10. * This program is distributed in the hope that it will be useful, but
  11. * WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. * General Public License for more details.
  14. */
  15. #ifndef _LINUX_APM_H
  16. #define _LINUX_APM_H
  17. #include <linux/types.h>
  18. typedef unsigned short apm_event_t;
  19. typedef unsigned short apm_eventinfo_t;
  20. struct apm_bios_info {
  21. __u16 version;
  22. __u16 cseg;
  23. __u32 offset;
  24. __u16 cseg_16;
  25. __u16 dseg;
  26. __u16 flags;
  27. __u16 cseg_len;
  28. __u16 cseg_16_len;
  29. __u16 dseg_len;
  30. };
  31. /*
  32. * Power states
  33. */
  34. #define APM_STATE_READY 0x0000
  35. #define APM_STATE_STANDBY 0x0001
  36. #define APM_STATE_SUSPEND 0x0002
  37. #define APM_STATE_OFF 0x0003
  38. #define APM_STATE_BUSY 0x0004
  39. #define APM_STATE_REJECT 0x0005
  40. #define APM_STATE_OEM_SYS 0x0020
  41. #define APM_STATE_OEM_DEV 0x0040
  42. #define APM_STATE_DISABLE 0x0000
  43. #define APM_STATE_ENABLE 0x0001
  44. #define APM_STATE_DISENGAGE 0x0000
  45. #define APM_STATE_ENGAGE 0x0001
  46. /*
  47. * Events (results of Get PM Event)
  48. */
  49. #define APM_SYS_STANDBY 0x0001
  50. #define APM_SYS_SUSPEND 0x0002
  51. #define APM_NORMAL_RESUME 0x0003
  52. #define APM_CRITICAL_RESUME 0x0004
  53. #define APM_LOW_BATTERY 0x0005
  54. #define APM_POWER_STATUS_CHANGE 0x0006
  55. #define APM_UPDATE_TIME 0x0007
  56. #define APM_CRITICAL_SUSPEND 0x0008
  57. #define APM_USER_STANDBY 0x0009
  58. #define APM_USER_SUSPEND 0x000a
  59. #define APM_STANDBY_RESUME 0x000b
  60. #define APM_CAPABILITY_CHANGE 0x000c
  61. #define APM_USER_HIBERNATION 0x000d
  62. #define APM_HIBERNATION_RESUME 0x000e
  63. /*
  64. * Error codes
  65. */
  66. #define APM_SUCCESS 0x00
  67. #define APM_DISABLED 0x01
  68. #define APM_CONNECTED 0x02
  69. #define APM_NOT_CONNECTED 0x03
  70. #define APM_16_CONNECTED 0x05
  71. #define APM_16_UNSUPPORTED 0x06
  72. #define APM_32_CONNECTED 0x07
  73. #define APM_32_UNSUPPORTED 0x08
  74. #define APM_BAD_DEVICE 0x09
  75. #define APM_BAD_PARAM 0x0a
  76. #define APM_NOT_ENGAGED 0x0b
  77. #define APM_BAD_FUNCTION 0x0c
  78. #define APM_RESUME_DISABLED 0x0d
  79. #define APM_NO_ERROR 0x53
  80. #define APM_BAD_STATE 0x60
  81. #define APM_NO_EVENTS 0x80
  82. #define APM_NOT_PRESENT 0x86
  83. /*
  84. * APM Device IDs
  85. */
  86. #define APM_DEVICE_BIOS 0x0000
  87. #define APM_DEVICE_ALL 0x0001
  88. #define APM_DEVICE_DISPLAY 0x0100
  89. #define APM_DEVICE_STORAGE 0x0200
  90. #define APM_DEVICE_PARALLEL 0x0300
  91. #define APM_DEVICE_SERIAL 0x0400
  92. #define APM_DEVICE_NETWORK 0x0500
  93. #define APM_DEVICE_PCMCIA 0x0600
  94. #define APM_DEVICE_BATTERY 0x8000
  95. #define APM_DEVICE_OEM 0xe000
  96. #define APM_DEVICE_OLD_ALL 0xffff
  97. #define APM_DEVICE_CLASS 0x00ff
  98. #define APM_DEVICE_MASK 0xff00
  99. /*
  100. * Battery status
  101. */
  102. #define APM_MAX_BATTERIES 2
  103. /*
  104. * APM defined capability bit flags
  105. */
  106. #define APM_CAP_GLOBAL_STANDBY 0x0001
  107. #define APM_CAP_GLOBAL_SUSPEND 0x0002
  108. #define APM_CAP_RESUME_STANDBY_TIMER 0x0004 /* Timer resume from standby */
  109. #define APM_CAP_RESUME_SUSPEND_TIMER 0x0008 /* Timer resume from suspend */
  110. #define APM_CAP_RESUME_STANDBY_RING 0x0010 /* Resume on Ring fr standby */
  111. #define APM_CAP_RESUME_SUSPEND_RING 0x0020 /* Resume on Ring fr suspend */
  112. #define APM_CAP_RESUME_STANDBY_PCMCIA 0x0040 /* Resume on PCMCIA Ring */
  113. #define APM_CAP_RESUME_SUSPEND_PCMCIA 0x0080 /* Resume on PCMCIA Ring */
  114. /*
  115. * ioctl operations
  116. */
  117. #include <linux/ioctl.h>
  118. #define APM_IOC_STANDBY _IO('A', 1)
  119. #define APM_IOC_SUSPEND _IO('A', 2)
  120. #endif /* _LINUX_APM_H */