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Diffstat (limited to 'ANDROID_3.4.5/include/linux/mtd/mtd.h')
-rw-r--r--ANDROID_3.4.5/include/linux/mtd/mtd.h429
1 files changed, 0 insertions, 429 deletions
diff --git a/ANDROID_3.4.5/include/linux/mtd/mtd.h b/ANDROID_3.4.5/include/linux/mtd/mtd.h
deleted file mode 100644
index 80affde5..00000000
--- a/ANDROID_3.4.5/include/linux/mtd/mtd.h
+++ /dev/null
@@ -1,429 +0,0 @@
-/*
- * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#ifndef __MTD_MTD_H__
-#define __MTD_MTD_H__
-
-#include <linux/types.h>
-#include <linux/uio.h>
-#include <linux/notifier.h>
-#include <linux/device.h>
-
-#include <mtd/mtd-abi.h>
-
-#include <asm/div64.h>
-
-#define MTD_CHAR_MAJOR 90
-#define MTD_BLOCK_MAJOR 31
-#define MAX_MTD_DEVICES 32
-
-#define MTD_ERASE_PENDING 0x01
-#define MTD_ERASING 0x02
-#define MTD_ERASE_SUSPEND 0x04
-#define MTD_ERASE_DONE 0x08
-#define MTD_ERASE_FAILED 0x10
-
-#define MTD_FAIL_ADDR_UNKNOWN -1LL
-
-/*
- * If the erase fails, fail_addr might indicate exactly which block failed. If
- * fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level
- * or was not specific to any particular block.
- */
-struct erase_info {
- struct mtd_info *mtd;
- uint64_t addr;
- uint64_t len;
- uint64_t fail_addr;
- u_long time;
- u_long retries;
- unsigned dev;
- unsigned cell;
- void (*callback) (struct erase_info *self);
- u_long priv;
- u_char state;
- struct erase_info *next;
-};
-
-struct mtd_erase_region_info {
- uint64_t offset; /* At which this region starts, from the beginning of the MTD */
- uint32_t erasesize; /* For this region */
- uint32_t numblocks; /* Number of blocks of erasesize in this region */
- unsigned long *lockmap; /* If keeping bitmap of locks */
-};
-
-/**
- * struct mtd_oob_ops - oob operation operands
- * @mode: operation mode
- *
- * @len: number of data bytes to write/read
- *
- * @retlen: number of data bytes written/read
- *
- * @ooblen: number of oob bytes to write/read
- * @oobretlen: number of oob bytes written/read
- * @ooboffs: offset of oob data in the oob area (only relevant when
- * mode = MTD_OPS_PLACE_OOB or MTD_OPS_RAW)
- * @datbuf: data buffer - if NULL only oob data are read/written
- * @oobbuf: oob data buffer
- *
- * Note, it is allowed to read more than one OOB area at one go, but not write.
- * The interface assumes that the OOB write requests program only one page's
- * OOB area.
- */
-struct mtd_oob_ops {
- unsigned int mode;
- size_t len;
- size_t retlen;
- size_t ooblen;
- size_t oobretlen;
- uint32_t ooboffs;
- uint8_t *datbuf;
- uint8_t *oobbuf;
-};
-
-#define MTD_MAX_OOBFREE_ENTRIES_LARGE 32
-#define MTD_MAX_ECCPOS_ENTRIES_LARGE 448
-/*
- * Internal ECC layout control structure. For historical reasons, there is a
- * similar, smaller struct nand_ecclayout_user (in mtd-abi.h) that is retained
- * for export to user-space via the ECCGETLAYOUT ioctl.
- * nand_ecclayout should be expandable in the future simply by the above macros.
- */
-struct nand_ecclayout {
- __u32 eccbytes;
- __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE];
- __u32 oobavail;
- struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
-};
-
-struct module; /* only needed for owner field in mtd_info */
-
-struct mtd_info {
- u_char type;
- uint32_t flags;
- uint64_t size; // Total size of the MTD
-
- /* "Major" erase size for the device. Naïve users may take this
- * to be the only erase size available, or may use the more detailed
- * information below if they desire
- */
- uint32_t erasesize;
- /* Minimal writable flash unit size. In case of NOR flash it is 1 (even
- * though individual bits can be cleared), in case of NAND flash it is
- * one NAND page (or half, or one-fourths of it), in case of ECC-ed NOR
- * it is of ECC block size, etc. It is illegal to have writesize = 0.
- * Any driver registering a struct mtd_info must ensure a writesize of
- * 1 or larger.
- */
- uint32_t writesize;
-
- /*
- * Size of the write buffer used by the MTD. MTD devices having a write
- * buffer can write multiple writesize chunks at a time. E.g. while
- * writing 4 * writesize bytes to a device with 2 * writesize bytes
- * buffer the MTD driver can (but doesn't have to) do 2 writesize
- * operations, but not 4. Currently, all NANDs have writebufsize
- * equivalent to writesize (NAND page size). Some NOR flashes do have
- * writebufsize greater than writesize.
- */
- uint32_t writebufsize;
-
- uint32_t oobsize; // Amount of OOB data per block (e.g. 16)
- uint32_t oobavail; // Available OOB bytes per block
-
- uint32_t realerasesize; //dan_multi add for multi plane access
- uint32_t realwritesize;
- uint32_t realoobsize;
- int planenum;
-
- /*
- * If erasesize is a power of 2 then the shift is stored in
- * erasesize_shift otherwise erasesize_shift is zero. Ditto writesize.
- */
- unsigned int erasesize_shift;
- unsigned int writesize_shift;
- /* Masks based on erasesize_shift and writesize_shift */
- unsigned int erasesize_mask;
- unsigned int writesize_mask;
-
- // Kernel-only stuff starts here.
- const char *name;
- int index;
-
- /* ECC layout structure pointer - read only! */
- struct nand_ecclayout *ecclayout;
-
- /* max number of correctible bit errors per writesize */
- unsigned int ecc_strength;
-
- /* Data for variable erase regions. If numeraseregions is zero,
- * it means that the whole device has erasesize as given above.
- */
- int numeraseregions;
- struct mtd_erase_region_info *eraseregions;
-
- /*
- * Do not call via these pointers, use corresponding mtd_*()
- * wrappers instead.
- */
- int (*_erase) (struct mtd_info *mtd, struct erase_info *instr);
- int (*_point) (struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, void **virt, resource_size_t *phys);
- int (*_unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
- unsigned long (*_get_unmapped_area) (struct mtd_info *mtd,
- unsigned long len,
- unsigned long offset,
- unsigned long flags);
- int (*_read) (struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char *buf);
- int (*_write) (struct mtd_info *mtd, loff_t to, size_t len,
- size_t *retlen, const u_char *buf);
- int (*_panic_write) (struct mtd_info *mtd, loff_t to, size_t len,
- size_t *retlen, const u_char *buf);
- int (*_read_oob) (struct mtd_info *mtd, loff_t from,
- struct mtd_oob_ops *ops);
- int (*read_bbinfo_facmk) (struct mtd_info *mtd, loff_t from,
- struct mtd_oob_ops *ops); //Vincent 20090526
- int (*_write_oob) (struct mtd_info *mtd, loff_t to,
- struct mtd_oob_ops *ops);
- int (*_get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
- int (*get_para) (struct mtd_info *mtd, int chip);
- int (*_read_fact_prot_reg) (struct mtd_info *mtd, loff_t from,
- size_t len, size_t *retlen, u_char *buf);
- int (*_get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
- int (*_read_user_prot_reg) (struct mtd_info *mtd, loff_t from,
- size_t len, size_t *retlen, u_char *buf);
- int (*_write_user_prot_reg) (struct mtd_info *mtd, loff_t to,
- size_t len, size_t *retlen, u_char *buf);
- int (*_lock_user_prot_reg) (struct mtd_info *mtd, loff_t from,
- size_t len);
- int (*_writev) (struct mtd_info *mtd, const struct kvec *vecs,
- unsigned long count, loff_t to, size_t *retlen);
- void (*_sync) (struct mtd_info *mtd);
- int (*_lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
- int (*_unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
- int (*_is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
- int (*_block_isbad) (struct mtd_info *mtd, loff_t ofs);
- int (*_block_markbad) (struct mtd_info *mtd, loff_t ofs);
- int (*_suspend) (struct mtd_info *mtd);
- void (*_resume) (struct mtd_info *mtd);
- /*
- * If the driver is something smart, like UBI, it may need to maintain
- * its own reference counting. The below functions are only for driver.
- */
- int (*_get_device) (struct mtd_info *mtd);
- void (*_put_device) (struct mtd_info *mtd);
-
- /* Backing device capabilities for this device
- * - provides mmap capabilities
- */
- struct backing_dev_info *backing_dev_info;
-
- struct notifier_block reboot_notifier; /* default mode before reboot */
-
- /* ECC status information */
- struct mtd_ecc_stats ecc_stats;
- /* Subpage shift (NAND) */
- int subpage_sft;
-
- void *priv;
-
- struct module *owner;
- struct device dev;
- int usecount;
- int blkcnt;
- int pagecnt;
- int dwECCBitNum;
- int dwRetry;
- int dwRdmz;
- int dwDDR;
- int id;
- int id2;
- unsigned int spec_clk;
- int spec_tadl;
- int bbt_sw_rdmz;
- uint32_t pageSizek;
- int ecc_err_cnt;
- int ecc_err_level;
-};
-
-int mtd_erase(struct mtd_info *mtd, struct erase_info *instr);
-int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
- void **virt, resource_size_t *phys);
-int mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
-unsigned long mtd_get_unmapped_area(struct mtd_info *mtd, unsigned long len,
- unsigned long offset, unsigned long flags);
-int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
- u_char *buf);
-int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
- const u_char *buf);
-int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
- const u_char *buf);
-
-static inline int mtd_read_oob(struct mtd_info *mtd, loff_t from,
- struct mtd_oob_ops *ops)
-{
- ops->retlen = ops->oobretlen = 0;
- if (!mtd->_read_oob)
- return -EOPNOTSUPP;
- return mtd->_read_oob(mtd, from, ops);
-}
-
-static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to,
- struct mtd_oob_ops *ops)
-{
- ops->retlen = ops->oobretlen = 0;
- if (!mtd->_write_oob)
- return -EOPNOTSUPP;
- if (!(mtd->flags & MTD_WRITEABLE))
- return -EROFS;
- return mtd->_write_oob(mtd, to, ops);
-}
-
-int mtd_get_fact_prot_info(struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
-int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char *buf);
-int mtd_get_user_prot_info(struct mtd_info *mtd, struct otp_info *buf,
- size_t len);
-int mtd_read_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char *buf);
-int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,
- size_t *retlen, u_char *buf);
-int mtd_lock_user_prot_reg(struct mtd_info *mtd, loff_t from, size_t len);
-
-int mtd_writev(struct mtd_info *mtd, const struct kvec *vecs,
- unsigned long count, loff_t to, size_t *retlen);
-
-static inline void mtd_sync(struct mtd_info *mtd)
-{
- if (mtd->_sync)
- mtd->_sync(mtd);
-}
-
-int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
-int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
-int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len);
-int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs);
-int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs);
-
-static inline int mtd_suspend(struct mtd_info *mtd)
-{
- return mtd->_suspend ? mtd->_suspend(mtd) : 0;
-}
-
-static inline void mtd_resume(struct mtd_info *mtd)
-{
- if (mtd->_resume)
- mtd->_resume(mtd);
-}
-
-static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
-{
- if (mtd->erasesize_shift)
- return sz >> mtd->erasesize_shift;
- do_div(sz, mtd->erasesize);
- return sz;
-}
-
-static inline uint32_t mtd_mod_by_eb(uint64_t sz, struct mtd_info *mtd)
-{
- if (mtd->erasesize_shift)
- return sz & mtd->erasesize_mask;
- return do_div(sz, mtd->erasesize);
-}
-
-static inline uint32_t mtd_div_by_ws(uint64_t sz, struct mtd_info *mtd)
-{
- if (mtd->writesize_shift)
- return sz >> mtd->writesize_shift;
- do_div(sz, mtd->writesize);
- return sz;
-}
-
-static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd)
-{
- if (mtd->writesize_shift)
- return sz & mtd->writesize_mask;
- return do_div(sz, mtd->writesize);
-}
-
-static inline int mtd_has_oob(const struct mtd_info *mtd)
-{
- return mtd->_read_oob && mtd->_write_oob;
-}
-
-static inline int mtd_can_have_bb(const struct mtd_info *mtd)
-{
- return !!mtd->_block_isbad;
-}
-
- /* Kernel-side ioctl definitions */
-
-struct mtd_partition;
-struct mtd_part_parser_data;
-extern int add_mtd_device(struct mtd_info *mtd);
-extern int del_mtd_device (struct mtd_info *mtd);
-
-extern int mtd_device_parse_register(struct mtd_info *mtd,
- const char **part_probe_types,
- struct mtd_part_parser_data *parser_data,
- const struct mtd_partition *defparts,
- int defnr_parts);
-#define mtd_device_register(master, parts, nr_parts) \
- mtd_device_parse_register(master, NULL, NULL, parts, nr_parts)
-extern int mtd_device_unregister(struct mtd_info *master);
-extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
-extern int __get_mtd_device(struct mtd_info *mtd);
-extern void __put_mtd_device(struct mtd_info *mtd);
-extern struct mtd_info *get_mtd_device_nm(const char *name);
-extern void put_mtd_device(struct mtd_info *mtd);
-typedef int (*SF_FPTR)(int l);
-extern SF_FPTR wmt_sf_prot;
-
-
-struct mtd_notifier {
- void (*add)(struct mtd_info *mtd);
- void (*remove)(struct mtd_info *mtd);
- struct list_head list;
-};
-
-
-extern void register_mtd_user (struct mtd_notifier *new);
-extern int unregister_mtd_user (struct mtd_notifier *old);
-void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
-
-void mtd_erase_callback(struct erase_info *instr);
-
-static inline int mtd_is_bitflip(int err) {
- return err == -EUCLEAN;
-}
-
-static inline int mtd_is_eccerr(int err) {
- return err == -EBADMSG;
-}
-
-static inline int mtd_is_bitflip_or_eccerr(int err) {
- return mtd_is_bitflip(err) || mtd_is_eccerr(err);
-}
-
-#endif /* __MTD_MTD_H__ */
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