| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | struct acpi_smb_hc; |
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| 3 | enum acpi_smb_protocol { |
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| 4 | SMBUS_WRITE_QUICK = 2, |
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| 5 | SMBUS_READ_QUICK = 3, |
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| 6 | SMBUS_SEND_BYTE = 4, |
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| 7 | SMBUS_RECEIVE_BYTE = 5, |
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| 8 | SMBUS_WRITE_BYTE = 6, |
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| 9 | SMBUS_READ_BYTE = 7, |
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| 10 | SMBUS_WRITE_WORD = 8, |
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| 11 | SMBUS_READ_WORD = 9, |
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| 12 | SMBUS_WRITE_BLOCK = 0xa, |
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| 13 | SMBUS_READ_BLOCK = 0xb, |
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| 14 | SMBUS_PROCESS_CALL = 0xc, |
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| 15 | SMBUS_BLOCK_PROCESS_CALL = 0xd, |
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| 16 | }; |
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| 17 | |
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| 18 | enum acpi_sbs_device_addr { |
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| 19 | ACPI_SBS_CHARGER = 0x9, |
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| 20 | ACPI_SBS_MANAGER = 0xa, |
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| 21 | ACPI_SBS_BATTERY = 0xb, |
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| 22 | }; |
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| 23 | |
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| 24 | typedef void (*smbus_alarm_callback)(void *context); |
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| 25 | |
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| 26 | extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address, |
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| 27 | u8 command, u8 *data); |
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| 28 | extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address, |
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| 29 | u8 command, u8 *data, u8 length); |
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| 30 | extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc, |
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| 31 | smbus_alarm_callback callback, void *context); |
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| 32 | extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc); |
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| 33 | |
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