[PATCHv2] i8042 driver for unicore32 architecture

Commit Message

Guan Xuetao Jan. 18, 2011, 3:41 a.m. UTC

None

Patch

diff --git a/drivers/input/serio/i8042-unicore32io.h b/drivers/input/serio/i8042-unicore32io.h
new file mode 100644
index 0000000..74ab8aa
--- /dev/null
+++ b/drivers/input/serio/i8042-unicore32io.h
@@ -0,0 +1,66 @@ 
+/*
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ *	Maintained by GUAN Xue-tao <[e-mail]>
+ *	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	((unsigned long)&PS2_COMMAND)
+#define I8042_STATUS_REG	((unsigned long)&PS2_STATUS)
+#define I8042_DATA_REG		((unsigned long)&PS2_DATA)
+
+static inline int i8042_read_data(void)
+{
+	return inb(I8042_DATA_REG);
+}
+
+static inline int i8042_read_status(void)
+{
+	return inb(I8042_STATUS_REG);
+}
+
+static inline void i8042_write_data(int val)
+{
+	outb(val, I8042_DATA_REG);
+}
+
+static inline void i8042_write_command(int val)
+{
+	outb(val, I8042_COMMAND_REG);
+}
+
+static inline int i8042_platform_init(void)
+{
+	i8042_reset = 1;
+	return 0;
+}
+
+static inline void i8042_platform_exit(void)
+{
+}
+
+#endif /* _I8042_UNICORE32_H */
diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h
index cbc1beb..e0fe4af 100644
--- a/drivers/input/serio/i8042.h
+++ b/drivers/input/serio/i8042.h
@@ -26,6 +26,8 @@ 
 #include "i8042-sparcio.h"
 #elif defined(CONFIG_X86) || defined(CONFIG_IA64)
 #include "i8042-x86ia64io.h"
+#elif defined(CONFIG_UNICORE32)
+#include "i8042-unicore32io.h"
 #else
 #include "i8042-io.h"
 #endif