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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-07-27 22:07:53 +0000
commit4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch)
treebc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/linux/mtd/onenand.h
parent21adb5284111190057db245cfc2b54091920c373 (diff)
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/include/linux/mtd/onenand.h')
-rw-r--r--libdde_linux26/contrib/include/linux/mtd/onenand.h193
1 files changed, 0 insertions, 193 deletions
diff --git a/libdde_linux26/contrib/include/linux/mtd/onenand.h b/libdde_linux26/contrib/include/linux/mtd/onenand.h
deleted file mode 100644
index 9aa2a914..00000000
--- a/libdde_linux26/contrib/include/linux/mtd/onenand.h
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * linux/include/linux/mtd/onenand.h
- *
- * Copyright (C) 2005-2007 Samsung Electronics
- * Kyungmin Park <kyungmin.park@samsung.com>
- *
- * 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 __LINUX_MTD_ONENAND_H
-#define __LINUX_MTD_ONENAND_H
-
-#include <linux/spinlock.h>
-#include <linux/completion.h>
-#include <linux/mtd/onenand_regs.h>
-#include <linux/mtd/bbm.h>
-
-#define MAX_BUFFERRAM 2
-
-/* Scan and identify a OneNAND device */
-extern int onenand_scan(struct mtd_info *mtd, int max_chips);
-/* Free resources held by the OneNAND device */
-extern void onenand_release(struct mtd_info *mtd);
-
-/*
- * onenand_state_t - chip states
- * Enumeration for OneNAND flash chip state
- */
-typedef enum {
- FL_READY,
- FL_READING,
- FL_WRITING,
- FL_ERASING,
- FL_SYNCING,
- FL_LOCKING,
- FL_RESETING,
- FL_OTPING,
- FL_PM_SUSPENDED,
-} onenand_state_t;
-
-/**
- * struct onenand_bufferram - OneNAND BufferRAM Data
- * @blockpage: block & page address in BufferRAM
- */
-struct onenand_bufferram {
- int blockpage;
-};
-
-/**
- * struct onenand_chip - OneNAND Private Flash Chip Data
- * @base: [BOARDSPECIFIC] address to access OneNAND
- * @chipsize: [INTERN] the size of one chip for multichip arrays
- * @device_id: [INTERN] device ID
- * @density_mask: chip density, used for DDP devices
- * @verstion_id: [INTERN] version ID
- * @options: [BOARDSPECIFIC] various chip options. They can
- * 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
- * @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
- * @writew: [REPLACEABLE] hardware specific function for write short
- * @command: [REPLACEABLE] hardware specific function for writing
- * commands to the chip
- * @wait: [REPLACEABLE] hardware specific function for wait on ready
- * @read_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area
- * @write_bufferram: [REPLACEABLE] hardware specific function for BufferRAM Area
- * @read_word: [REPLACEABLE] hardware specific function for read
- * register of OneNAND
- * @write_word: [REPLACEABLE] hardware specific function for write
- * register of OneNAND
- * @mmcontrol: sync burst read function
- * @block_markbad: function to mark a block as bad
- * @scan_bbt: [REPLACEALBE] hardware specific function for scanning
- * Bad block Table
- * @chip_lock: [INTERN] spinlock used to protect access to this
- * structure and the chip
- * @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: [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
- * @priv: [OPTIONAL] pointer to private chip date
- */
-struct onenand_chip {
- void __iomem *base;
- unsigned int chipsize;
- unsigned int device_id;
- unsigned int version_id;
- unsigned int density_mask;
- unsigned int options;
-
- unsigned int erase_shift;
- unsigned int page_shift;
- unsigned int page_mask;
- unsigned int writesize;
-
- unsigned int bufferram_index;
- struct onenand_bufferram bufferram[MAX_BUFFERRAM];
-
- int (*command)(struct mtd_info *mtd, int cmd, loff_t address, size_t len);
- int (*wait)(struct mtd_info *mtd, int state);
- int (*read_bufferram)(struct mtd_info *mtd, int area,
- unsigned char *buffer, int offset, size_t count);
- int (*write_bufferram)(struct mtd_info *mtd, int area,
- const unsigned char *buffer, int offset, size_t count);
- unsigned short (*read_word)(void __iomem *addr);
- void (*write_word)(unsigned short value, void __iomem *addr);
- void (*mmcontrol)(struct mtd_info *mtd, int sync_read);
- int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
- int (*scan_bbt)(struct mtd_info *mtd);
-
- struct completion complete;
- int irq;
-
- spinlock_t chip_lock;
- wait_queue_head_t wq;
- onenand_state_t state;
- unsigned char *page_buf;
- unsigned char *oob_buf;
-
- int subpagesize;
- struct nand_ecclayout *ecclayout;
-
- void *bbm;
-
- void *priv;
-};
-
-/*
- * Helper macros
- */
-#define ONENAND_CURRENT_BUFFERRAM(this) (this->bufferram_index)
-#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)
-
-/*
- * Options bits
- */
-#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
- */
-#define ONENAND_MFR_SAMSUNG 0xec
-
-/**
- * struct onenand_manufacturers - NAND Flash Manufacturer ID Structure
- * @name: Manufacturer name
- * @id: manufacturer ID code of device.
-*/
-struct onenand_manufacturers {
- int id;
- char *name;
-};
-
-int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
- struct mtd_oob_ops *ops);
-
-#endif /* __LINUX_MTD_ONENAND_H */