alpha: Replace sg++ with sg = sg_next(sg)
[linux-2.6-microblaze.git] / drivers / acpi / sbshc.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 struct acpi_smb_hc;
3 enum 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
18 enum acpi_sbs_device_addr {
19         ACPI_SBS_CHARGER = 0x9,
20         ACPI_SBS_MANAGER = 0xa,
21         ACPI_SBS_BATTERY = 0xb,
22 };
23
24 typedef void (*smbus_alarm_callback)(void *context);
25
26 extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
27                u8 command, u8 * data);
28 extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
29                 u8 command, u8 * data, u8 length);
30 extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
31                                  smbus_alarm_callback callback, void *context);
32 extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);