Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-2.6.git] / drivers / acpi / sbshc.h
1 struct acpi_smb_hc;
2 enum 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
17 static const u8 SMBUS_PEC = 0x80;
18
19 enum acpi_sbs_device_addr {
20         ACPI_SBS_CHARGER = 0x9,
21         ACPI_SBS_MANAGER = 0xa,
22         ACPI_SBS_BATTERY = 0xb,
23 };
24
25 typedef void (*smbus_alarm_callback)(void *context);
26
27 extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
28                u8 command, u8 * data);
29 extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
30                 u8 command, u8 * data, u8 length);
31 extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
32                                  smbus_alarm_callback callback, void *context);
33 extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);