diff options
| author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2007-09-26 19:43:28 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-09-27 15:50:22 -0400 |
| commit | 91087dfa51a29b3c190e99339c4c32eb13646c51 (patch) | |
| tree | cb508e1786c46d6dbc56292dbdae26a598a3593a /drivers/acpi/sbshc.h | |
| parent | 30c08574da0ead1a47797ce028218ce5b2de61c7 (diff) | |
| download | lwn-91087dfa51a29b3c190e99339c4c32eb13646c51.tar.gz lwn-91087dfa51a29b3c190e99339c4c32eb13646c51.zip | |
ACPI: SBS: Split host controller (ACPI0001) from SBS driver (ACPI0002)
Replace poll-based host controller driver with the notify-based one.
Split it out of sbs.c.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/sbshc.h')
| -rw-r--r-- | drivers/acpi/sbshc.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/acpi/sbshc.h b/drivers/acpi/sbshc.h new file mode 100644 index 000000000000..3bda3491a97b --- /dev/null +++ b/drivers/acpi/sbshc.h @@ -0,0 +1,27 @@ +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; + +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); |