| Alexey Starikovskiy | 91087df | 2007-09-26 19:43:28 +0400 | [diff] [blame] | 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 | typedef void (*smbus_alarm_callback)(void *context); |
| 20 | |
| 21 | extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address, |
| 22 | u8 command, u8 * data); |
| 23 | extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address, |
| 24 | u8 command, u8 * data, u8 length); |
| 25 | extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc, |
| 26 | smbus_alarm_callback callback, void *context); |
| 27 | extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc); |