apm.h 1.5 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364
  1. /* -*- linux-c -*-
  2. *
  3. * (C) 2003 zecke@handhelds.org
  4. *
  5. * GPL version 2
  6. *
  7. * based on arch/arm/kernel/apm.c
  8. * factor out the information needed by architectures to provide
  9. * apm status
  10. *
  11. *
  12. */
  13. #ifndef MIPS_ASM_SA1100_APM_H
  14. #define MIPS_ASM_SA1100_APM_H
  15. #include <linux/apm_bios.h>
  16. /*
  17. * This structure gets filled in by the machine specific 'get_power_status'
  18. * implementation. Any fields which are not set default to a safe value.
  19. */
  20. struct apm_power_info {
  21. unsigned char ac_line_status;
  22. #define APM_AC_OFFLINE 0
  23. #define APM_AC_ONLINE 1
  24. #define APM_AC_BACKUP 2
  25. #define APM_AC_UNKNOWN 0xff
  26. unsigned char battery_status;
  27. #define APM_BATTERY_STATUS_HIGH 0
  28. #define APM_BATTERY_STATUS_LOW 1
  29. #define APM_BATTERY_STATUS_CRITICAL 2
  30. #define APM_BATTERY_STATUS_CHARGING 3
  31. #define APM_BATTERY_STATUS_NOT_PRESENT 4
  32. #define APM_BATTERY_STATUS_UNKNOWN 0xff
  33. unsigned char battery_flag;
  34. #define APM_BATTERY_FLAG_HIGH (1 << 0)
  35. #define APM_BATTERY_FLAG_LOW (1 << 1)
  36. #define APM_BATTERY_FLAG_CRITICAL (1 << 2)
  37. #define APM_BATTERY_FLAG_CHARGING (1 << 3)
  38. #define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7)
  39. #define APM_BATTERY_FLAG_UNKNOWN 0xff
  40. int battery_life;
  41. int time;
  42. int units;
  43. #define APM_UNITS_MINS 0
  44. #define APM_UNITS_SECS 1
  45. #define APM_UNITS_UNKNOWN -1
  46. };
  47. /*
  48. * This allows machines to provide their own "apm get power status" function.
  49. */
  50. extern void (*apm_get_power_status)(struct apm_power_info *);
  51. /*
  52. * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND)
  53. */
  54. void apm_queue_event(apm_event_t event);
  55. #endif