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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/input/serio/i8042-unicore32io.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/input/serio/i8042-unicore32io.h')
-rw-r--r--drivers/input/serio/i8042-unicore32io.h73
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 00000000..73f5cc12
--- /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 */