1 files changed, 19 insertions, 0 deletions
diff --git a/include/i8042.h b/include/i8042.h
index 13952899b..c48c05737 100644
--- a/include/i8042.h
+++ b/include/i8042.h
@@ -39,6 +39,12 @@
 #define I8042_STATUS_REG    (CONFIG_SYS_ISA_IO + 0x0064)    /* keyboard status read */
 #define I8042_COMMAND_REG   (CONFIG_SYS_ISA_IO + 0x0064)    /* keyboard ctrl write */
 
+enum {
+	/* Output register (I8042_DATA_REG) has data for system */
+	I8042_STATUS_OUT_DATA	= 1 << 0,
+	I8042_STATUS_IN_DATA	= 1 << 1,
+};
+
 #define KBD_US              0        /* default US layout */
 #define KBD_GER             1        /* german layout */
 
@@ -69,6 +75,19 @@
 
 /* exports */
 
+/**
+ * Flush all buffer from keyboard controller to host.
+ */
+void i8042_flush(void);
+
+/**
+ * Disables the keyboard so that key strokes no longer generate scancodes to
+ * the host.
+ *
+ * @return 0 if ok, -1 if keyboard input was found while disabling
+ */
+int i8042_disable(void);
+
 int i8042_kbd_init(void);
 int i8042_tstc(void);
 int i8042_getc(void);