1 files changed, 20 insertions, 1 deletions

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index ccab9dfc5217..8bdacb885f90 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -25,11 +25,13 @@
 #include <linux/mtd/bbm.h>
 
 struct mtd_info;
+struct nand_flash_dev;
 /* Scan and identify a NAND device */
 extern int nand_scan (struct mtd_info *mtd, int max_chips);
 /* Separate phases of nand_scan(), allowing board driver to intervene
  * and override command or ECC setup according to flash type */
-extern int nand_scan_ident(struct mtd_info *mtd, int max_chips);
+extern int nand_scan_ident(struct mtd_info *mtd, int max_chips,
+                           struct nand_flash_dev *table);
 extern int nand_scan_tail(struct mtd_info *mtd);
 
 /* Free resources held by the NAND device */
@@ -38,6 +40,12 @@ extern void nand_release (struct mtd_info *mtd);
 /* Internal helper for board drivers which need to override command function */
 extern void nand_wait_ready(struct mtd_info *mtd);
 
+/* locks all blockes present in the device */
+extern int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+
+/* unlocks specified locked blockes */
+extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
+
 /* The maximum number of NAND chips in an array */
 #define NAND_MAX_CHIPS          8
 
@@ -82,6 +90,10 @@ extern void nand_wait_ready(struct mtd_info *mtd);
 #define NAND_CMD_ERASE2         0xd0
 #define NAND_CMD_RESET          0xff
 
+#define NAND_CMD_LOCK           0x2a
+#define NAND_CMD_UNLOCK1        0x23
+#define NAND_CMD_UNLOCK2        0x24
+
 /* Extended commands for large page devices */
 #define NAND_CMD_READSTART      0x30
 #define NAND_CMD_RNDOUTSTART    0xE0
@@ -170,6 +182,12 @@ typedef enum {
 /* Chip does not allow subpage writes */
 #define NAND_NO_SUBPAGE_WRITE   0x00000200
 
+/* Device is one of 'new' xD cards that expose fake nand command set */
+#define NAND_BROKEN_XD          0x00000400
+
+/* Device behaves just like nand, but is readonly */
+#define NAND_ROM                0x00000800
+
 /* Options valid for Samsung large page devices */
 #define NAND_SAMSUNG_LP_OPTIONS \
         (NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK)
@@ -391,6 +409,7 @@ struct nand_chip {
         int             subpagesize;
         uint8_t         cellinfo;
         int             badblockpos;
+        int             badblockbits;
 
         flstate_t       state;