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| /* SPDX-License-Identifier: GPL-2.0 */
| struct acpi_smb_hc;
| enum acpi_smb_protocol {
| SMBUS_WRITE_QUICK = 2,
| SMBUS_READ_QUICK = 3,
| SMBUS_SEND_BYTE = 4,
| SMBUS_RECEIVE_BYTE = 5,
| SMBUS_WRITE_BYTE = 6,
| SMBUS_READ_BYTE = 7,
| SMBUS_WRITE_WORD = 8,
| SMBUS_READ_WORD = 9,
| SMBUS_WRITE_BLOCK = 0xa,
| SMBUS_READ_BLOCK = 0xb,
| SMBUS_PROCESS_CALL = 0xc,
| SMBUS_BLOCK_PROCESS_CALL = 0xd,
| };
|
| static const u8 SMBUS_PEC = 0x80;
|
| enum acpi_sbs_device_addr {
| ACPI_SBS_CHARGER = 0x9,
| ACPI_SBS_MANAGER = 0xa,
| ACPI_SBS_BATTERY = 0xb,
| };
|
| typedef void (*smbus_alarm_callback)(void *context);
|
| extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
| u8 command, u8 * data);
| extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
| u8 command, u8 * data, u8 length);
| extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
| smbus_alarm_callback callback, void *context);
| extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);
|
|
