1 files changed, 73 insertions, 0 deletions

diff --git a/drivers/input/serio/i8042-unicore32io.h b/drivers/input/serio/i8042-unicore32io.h
new file mode 100644
index 000000000000..73f5cc124a36
--- /dev/null
+++ b/drivers/input/serio/i8042-unicore32io.h
@@ -0,0 +1,73 @@
+/*
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ *      Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
+ *      Copyright (C) 2001-2011 Guan Xuetao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _I8042_UNICORE32_H
+#define _I8042_UNICORE32_H
+
+#include <mach/hardware.h>
+
+/*
+ * Names.
+ */
+#define I8042_KBD_PHYS_DESC "isa0060/serio0"
+#define I8042_AUX_PHYS_DESC "isa0060/serio1"
+#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
+
+/*
+ * IRQs.
+ */
+#define I8042_KBD_IRQ           IRQ_PS2_KBD
+#define I8042_AUX_IRQ           IRQ_PS2_AUX
+
+/*
+ * Register numbers.
+ */
+#define I8042_COMMAND_REG       PS2_COMMAND
+#define I8042_STATUS_REG        PS2_STATUS
+#define I8042_DATA_REG          PS2_DATA
+
+#define I8042_REGION_START      (resource_size_t)(PS2_DATA)
+#define I8042_REGION_SIZE       (resource_size_t)(16)
+
+static inline int i8042_read_data(void)
+{
+        return readb(I8042_DATA_REG);
+}
+
+static inline int i8042_read_status(void)
+{
+        return readb(I8042_STATUS_REG);
+}
+
+static inline void i8042_write_data(int val)
+{
+        writeb(val, I8042_DATA_REG);
+}
+
+static inline void i8042_write_command(int val)
+{
+        writeb(val, I8042_COMMAND_REG);
+}
+
+static inline int i8042_platform_init(void)
+{
+        if (!request_mem_region(I8042_REGION_START, I8042_REGION_SIZE, "i8042"))
+                return -EBUSY;
+
+        i8042_reset = 1;
+        return 0;
+}
+
+static inline void i8042_platform_exit(void)
+{
+        release_mem_region(I8042_REGION_START, I8042_REGION_SIZE);
+}
+
+#endif /* _I8042_UNICORE32_H */