init android origin source code

1 files changed, 42 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/include/linux/mtd/nand_ecc.h b/ANDROID_3.4.5/include/linux/mtd/nand_ecc.h
new file mode 100644
index 00000000..4d8406c8
--- /dev/null
+++ b/ANDROID_3.4.5/include/linux/mtd/nand_ecc.h
@@ -0,0 +1,42 @@
+/*
+ *  drivers/mtd/nand_ecc.h
+ *
+ *  Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
+ *			    David Woodhouse <dwmw2@infradead.org>
+ *			    Thomas Gleixner <tglx@linutronix.de>
+ *
+ * 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.
+ *
+ * This file is the header for the ECC algorithm.
+ */
+
+#ifndef __MTD_NAND_ECC_H__
+#define __MTD_NAND_ECC_H__
+
+struct mtd_info;
+
+/*
+ * Calculate 3 byte ECC code for eccsize byte block
+ */
+void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
+				u_char *ecc_code);
+
+/*
+ * Calculate 3 byte ECC code for 256/512 byte block
+ */
+int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
+
+/*
+ * Detect and correct a 1 bit error for eccsize byte block
+ */
+int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
+			unsigned int eccsize);
+
+/*
+ * Detect and correct a 1 bit error for 256/512 byte block
+ */
+int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
+
+#endif /* __MTD_NAND_ECC_H__ */