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authorAlexey Starikovskiy <astarikovskiy@suse.de>2007-09-26 19:43:28 +0400
committerLen Brown <len.brown@intel.com>2007-09-27 15:50:22 -0400
commit91087dfa51a29b3c190e99339c4c32eb13646c51 (patch)
treecb508e1786c46d6dbc56292dbdae26a598a3593a /drivers/acpi/sbshc.h
parent30c08574da0ead1a47797ce028218ce5b2de61c7 (diff)
downloadlinux-91087dfa51a29b3c190e99339c4c32eb13646c51.tar.bz2
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.h27
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);