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struct acpi_smb_hc;
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enum acpi_smb_protocol {
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SMBUS_WRITE_QUICK = 2,
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SMBUS_READ_QUICK = 3,
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SMBUS_SEND_BYTE = 4,
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SMBUS_RECEIVE_BYTE = 5,
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SMBUS_WRITE_BYTE = 6,
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SMBUS_READ_BYTE = 7,
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SMBUS_WRITE_WORD = 8,
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SMBUS_READ_WORD = 9,
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SMBUS_WRITE_BLOCK = 0xa,
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SMBUS_READ_BLOCK = 0xb,
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SMBUS_PROCESS_CALL = 0xc,
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SMBUS_BLOCK_PROCESS_CALL = 0xd,
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};
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static const u8 SMBUS_PEC = 0x80;
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enum acpi_sbs_device_addr {
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ACPI_SBS_CHARGER = 0x9,
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ACPI_SBS_MANAGER = 0xa,
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ACPI_SBS_BATTERY = 0xb,
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};
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typedef void (*smbus_alarm_callback)(void *context);
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extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
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u8 command, u8 * data);
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extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
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u8 command, u8 * data, u8 length);
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extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
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smbus_alarm_callback callback, void *context);
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extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);
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