5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
33 lines
946 B
C
33 lines
946 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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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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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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