--- zzzz-none-000/linux-3.10.107/include/linux/i8042.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/i8042.h	2021-02-04 17:41:59.000000000 +0000
@@ -31,6 +31,30 @@
 #define I8042_CMD_MUX_PFX	0x0090
 #define I8042_CMD_MUX_SEND	0x1090
 
+/*
+ * Status register bits.
+ */
+
+#define I8042_STR_PARITY	0x80
+#define I8042_STR_TIMEOUT	0x40
+#define I8042_STR_AUXDATA	0x20
+#define I8042_STR_KEYLOCK	0x10
+#define I8042_STR_CMDDAT	0x08
+#define I8042_STR_MUXERR	0x04
+#define I8042_STR_IBF		0x02
+#define I8042_STR_OBF		0x01
+
+/*
+ * Control register bits.
+ */
+
+#define I8042_CTR_KBDINT	0x01
+#define I8042_CTR_AUXINT	0x02
+#define I8042_CTR_IGNKEYLOCK	0x08
+#define I8042_CTR_KBDDIS	0x10
+#define I8042_CTR_AUXDIS	0x20
+#define I8042_CTR_XLATE		0x40
+
 struct serio;
 
 #if defined(CONFIG_SERIO_I8042) || defined(CONFIG_SERIO_I8042_MODULE)