X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fmtd%2Fonenand.h;h=9aa2a9149b583991c75054ffd15b583b8e540f3e;hb=e43fe686e48835ca027559a068bbe0b6d264a254;hp=f775a7af3890087215ce16504a8da68f513310dd;hpb=821836e5baa69b8bc80605f25ad963e721609bc0;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index f775a7af389..9aa2a9149b5 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -1,7 +1,7 @@
 /*
  *  linux/include/linux/mtd/onenand.h
  *
- *  Copyright (C) 2005-2006 Samsung Electronics
+ *  Copyright (C) 2005-2007 Samsung Electronics
  *  Kyungmin Park <kyungmin.park@samsung.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -42,14 +42,10 @@ typedef enum {
 
 /**
  * struct onenand_bufferram - OneNAND BufferRAM Data
- * @block:		block address in BufferRAM
- * @page:		page address in BufferRAM
- * @valid:		valid flag
+ * @blockpage:		block & page address in BufferRAM
  */
 struct onenand_bufferram {
-	int block;
-	int page;
-	int valid;
+	int	blockpage;
 };
 
 /**
@@ -63,8 +59,8 @@ struct onenand_bufferram {
  *			partly be set to inform onenand_scan about
  * @erase_shift:	[INTERN] number of address bits in a block
  * @page_shift:		[INTERN] number of address bits in a page
- * @ppb_shift:		[INTERN] number of address bits in a pages per block
  * @page_mask:		[INTERN] a page per block mask
+ * @writesize:		[INTERN] a real page size
  * @bufferram_index:	[INTERN] BufferRAM index
  * @bufferram:		[INTERN] BufferRAM info
  * @readw:		[REPLACEABLE] hardware specific function for read short
@@ -87,7 +83,8 @@ struct onenand_bufferram {
  * @wq:			[INTERN] wait queue to sleep on if a OneNAND
  *			operation is in progress
  * @state:		[INTERN] the current state of the OneNAND device
- * @page_buf:		data buffer
+ * @page_buf:		[INTERN] page main data buffer
+ * @oob_buf:		[INTERN] page oob data buffer
  * @subpagesize:	[INTERN] holds the subpagesize
  * @ecclayout:		[REPLACEABLE] the default ecc placement scheme
  * @bbm:		[REPLACEABLE] pointer to Bad Block Management
@@ -103,8 +100,8 @@ struct onenand_chip {
 
 	unsigned int		erase_shift;
 	unsigned int		page_shift;
-	unsigned int		ppb_shift;	/* Pages per block shift */
 	unsigned int		page_mask;
+	unsigned int		writesize;
 
 	unsigned int		bufferram_index;
 	struct onenand_bufferram	bufferram[MAX_BUFFERRAM];
@@ -128,6 +125,7 @@ struct onenand_chip {
 	wait_queue_head_t	wq;
 	onenand_state_t		state;
 	unsigned char		*page_buf;
+	unsigned char		*oob_buf;
 
 	int			subpagesize;
 	struct nand_ecclayout	*ecclayout;
@@ -144,12 +142,24 @@ struct onenand_chip {
 #define ONENAND_NEXT_BUFFERRAM(this)		(this->bufferram_index ^ 1)
 #define ONENAND_SET_NEXT_BUFFERRAM(this)	(this->bufferram_index ^= 1)
 #define ONENAND_SET_PREV_BUFFERRAM(this)	(this->bufferram_index ^= 1)
+#define ONENAND_SET_BUFFERRAM0(this)		(this->bufferram_index = 0)
+#define ONENAND_SET_BUFFERRAM1(this)		(this->bufferram_index = 1)
 
 #define ONENAND_GET_SYS_CFG1(this)					\
 	(this->read_word(this->base + ONENAND_REG_SYS_CFG1))
 #define ONENAND_SET_SYS_CFG1(v, this)					\
 	(this->write_word(v, this->base + ONENAND_REG_SYS_CFG1))
 
+#define ONENAND_IS_DDP(this)						\
+	(this->device_id & ONENAND_DEVICE_IS_DDP)
+
+#ifdef CONFIG_MTD_ONENAND_2X_PROGRAM
+#define ONENAND_IS_2PLANE(this)						\
+	(this->options & ONENAND_HAS_2PLANE)
+#else
+#define ONENAND_IS_2PLANE(this)			(0)
+#endif
+
 /* Check byte access in OneNAND */
 #define ONENAND_CHECK_BYTE_ACCESS(addr)		(addr & 0x1)
 
@@ -158,7 +168,9 @@ struct onenand_chip {
  */
 #define ONENAND_HAS_CONT_LOCK		(0x0001)
 #define ONENAND_HAS_UNLOCK_ALL		(0x0002)
+#define ONENAND_HAS_2PLANE		(0x0004)
 #define ONENAND_PAGEBUF_ALLOC		(0x1000)
+#define ONENAND_OOBBUF_ALLOC		(0x2000)
 
 /*
  * OneNAND Flash Manufacturer ID Codes
@@ -175,4 +187,7 @@ struct onenand_manufacturers {
         char *name;
 };
 
+int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
+			 struct mtd_oob_ops *ops);
+
 #endif	/* __LINUX_MTD_ONENAND_H */