sbshc.h 946 B

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. struct acpi_smb_hc;
  3. enum acpi_smb_protocol {
  4. SMBUS_WRITE_QUICK = 2,
  5. SMBUS_READ_QUICK = 3,
  6. SMBUS_SEND_BYTE = 4,
  7. SMBUS_RECEIVE_BYTE = 5,
  8. SMBUS_WRITE_BYTE = 6,
  9. SMBUS_READ_BYTE = 7,
  10. SMBUS_WRITE_WORD = 8,
  11. SMBUS_READ_WORD = 9,
  12. SMBUS_WRITE_BLOCK = 0xa,
  13. SMBUS_READ_BLOCK = 0xb,
  14. SMBUS_PROCESS_CALL = 0xc,
  15. SMBUS_BLOCK_PROCESS_CALL = 0xd,
  16. };
  17. enum acpi_sbs_device_addr {
  18. ACPI_SBS_CHARGER = 0x9,
  19. ACPI_SBS_MANAGER = 0xa,
  20. ACPI_SBS_BATTERY = 0xb,
  21. };
  22. typedef void (*smbus_alarm_callback)(void *context);
  23. extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
  24. u8 command, u8 *data);
  25. extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
  26. u8 command, u8 *data, u8 length);
  27. extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
  28. smbus_alarm_callback callback, void *context);
  29. extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);