1struct acpi_smb_hc;
 2enum acpi_smb_protocol {
 3	SMBUS_WRITE_QUICK = 2,
 4	SMBUS_READ_QUICK = 3,
 5	SMBUS_SEND_BYTE = 4,
 6	SMBUS_RECEIVE_BYTE = 5,
 7	SMBUS_WRITE_BYTE = 6,
 8	SMBUS_READ_BYTE = 7,
 9	SMBUS_WRITE_WORD  = 8,
10	SMBUS_READ_WORD  = 9,
11	SMBUS_WRITE_BLOCK = 0xa,
12	SMBUS_READ_BLOCK = 0xb,
13	SMBUS_PROCESS_CALL = 0xc,
14	SMBUS_BLOCK_PROCESS_CALL = 0xd,
15};
16
17static const u8 SMBUS_PEC = 0x80;
18
19enum acpi_sbs_device_addr {
20	ACPI_SBS_CHARGER = 0x9,
21	ACPI_SBS_MANAGER = 0xa,
22	ACPI_SBS_BATTERY = 0xb,
23};
24
25typedef void (*smbus_alarm_callback)(void *context);
26
27extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
28	       u8 command, u8 * data);
29extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
30		u8 command, u8 * data, u8 length);
31extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
32			         smbus_alarm_callback callback, void *context);
33extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);

 1/* SPDX-License-Identifier: GPL-2.0 */
 2struct acpi_smb_hc;
 3enum 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
 
 
18enum acpi_sbs_device_addr {
19	ACPI_SBS_CHARGER = 0x9,
20	ACPI_SBS_MANAGER = 0xa,
21	ACPI_SBS_BATTERY = 0xb,
22};
23
24typedef void (*smbus_alarm_callback)(void *context);
25
26extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
27		u8 command, u8 *data);
28extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
29		u8 command, u8 *data, u8 length);
30extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
31		smbus_alarm_callback callback, void *context);
32extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);