ACPI EC: add ec_set_bit() / ec_clr_bit()

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6441 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/src/ec/acpi/ec.c b/src/ec/acpi/ec.c
index 7a01b7e4556e2b01e971ba326c92a02d0a759a66..e353260c30e15c4a449d5686f3c390d052de7b96 100644 (file)
--- a/src/ec/acpi/ec.c
+++ b/src/ec/acpi/ec.c
@@ -113,6 +113,16 @@ int ec_write(u8 addr, u8 data)
        return send_ec_data(data);
 }
 
+void ec_set_bit(u8 addr, u8 bit)
+{
+       ec_write(addr, ec_read(addr) | (1 << bit));
+}
+
+void ec_clr_bit(u8 addr, u8 bit)
+{
+       ec_write(addr, ec_read(addr) &  ~(1 << bit));
+}
+
 struct chip_operations ec_acpi_ops = {
        CHIP_NAME("ACPI Embedded Controller")
 };

diff --git a/src/ec/acpi/ec.h b/src/ec/acpi/ec.h
index 77ee6379eae6dab573ff09870fff7739f90e2f34..cabbfeaacd82ed30c5d77574ca98cf8ec7359b49 100644 (file)
--- a/src/ec/acpi/ec.h
+++ b/src/ec/acpi/ec.h
@@ -44,6 +44,8 @@ int send_ec_data_nowait(u8 data);
 u8 recv_ec_data(void);
 u8 ec_read(u8 addr);
 int ec_write(u8 addr, u8 data);
+void ec_set_bit(u8 addr, u8 bit);
+void ec_clr_bit(u8 addr, u8 bit);
 
 #endif