226 	int (*erase)(struct nand_device *nand, const struct nand_pos *pos);
227 	int (*markbad)(struct nand_device *nand, const struct nand_pos *pos);
228 	bool (*isbad)(struct nand_device *nand, const struct nand_pos *pos);
258 	int (*init_ctx)(struct nand_device *nand);
259 	void (*cleanup_ctx)(struct nand_device *nand);
260 	int (*prepare_io_req)(struct nand_device *nand,
262 	int (*finish_io_req)(struct nand_device *nand,
298 void of_get_nand_ecc_user_config(struct nand_device *nand);
299 int nand_ecc_init_ctx(struct nand_device *nand);
300 void nand_ecc_cleanup_ctx(struct nand_device *nand);
301 int nand_ecc_prepare_io_req(struct nand_device *nand,
303 int nand_ecc_finish_io_req(struct nand_device *nand,
305 bool nand_ecc_is_strong_enough(struct nand_device *nand);
323 struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand);
324 struct nand_ecc_engine *nand_ecc_get_on_die_hw_engine(struct nand_device *nand);
325 struct nand_ecc_engine *nand_ecc_get_on_host_hw_engine(struct nand_device *nand);
326 void nand_ecc_put_on_host_hw_engine(struct nand_device *nand);
362 	struct nand_device *nand;  member
372 			       struct nand_device *nand);
461 static inline struct mtd_info *nanddev_to_mtd(struct nand_device *nand)  in nanddev_to_mtd()  argument
463 	return &nand->mtd;  in nanddev_to_mtd()
472 static inline unsigned int nanddev_bits_per_cell(const struct nand_device *nand)  in nanddev_bits_per_cell()  argument
474 	return nand->memorg.bits_per_cell;  in nanddev_bits_per_cell()
483 static inline size_t nanddev_page_size(const struct nand_device *nand)  in nanddev_page_size()  argument
485 	return nand->memorg.pagesize;  in nanddev_page_size()
495 nanddev_per_page_oobsize(const struct nand_device *nand)  in nanddev_per_page_oobsize()  argument
497 	return nand->memorg.oobsize;  in nanddev_per_page_oobsize()
507 nanddev_pages_per_eraseblock(const struct nand_device *nand)  in nanddev_pages_per_eraseblock()  argument
509 	return nand->memorg.pages_per_eraseblock;  in nanddev_pages_per_eraseblock()
519 nanddev_pages_per_target(const struct nand_device *nand)  in nanddev_pages_per_target()  argument
521 	return nand->memorg.pages_per_eraseblock *  in nanddev_pages_per_target()
522 	       nand->memorg.eraseblocks_per_lun *  in nanddev_pages_per_target()
523 	       nand->memorg.luns_per_target;  in nanddev_pages_per_target()
532 static inline size_t nanddev_eraseblock_size(const struct nand_device *nand)  in nanddev_eraseblock_size()  argument
534 	return nand->memorg.pagesize * nand->memorg.pages_per_eraseblock;  in nanddev_eraseblock_size()
544 nanddev_eraseblocks_per_lun(const struct nand_device *nand)  in nanddev_eraseblocks_per_lun()  argument
546 	return nand->memorg.eraseblocks_per_lun;  in nanddev_eraseblocks_per_lun()
556 nanddev_eraseblocks_per_target(const struct nand_device *nand)  in nanddev_eraseblocks_per_target()  argument
558 	return nand->memorg.eraseblocks_per_lun * nand->memorg.luns_per_target;  in nanddev_eraseblocks_per_target()
567 static inline u64 nanddev_target_size(const struct nand_device *nand)  in nanddev_target_size()  argument
569 	return (u64)nand->memorg.luns_per_target *  in nanddev_target_size()
570 	       nand->memorg.eraseblocks_per_lun *  in nanddev_target_size()
571 	       nand->memorg.pages_per_eraseblock *  in nanddev_target_size()
572 	       nand->memorg.pagesize;  in nanddev_target_size()
581 static inline unsigned int nanddev_ntargets(const struct nand_device *nand)  in nanddev_ntargets()  argument
583 	return nand->memorg.ntargets;  in nanddev_ntargets()
592 static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)  in nanddev_neraseblocks()  argument
594 	return nand->memorg.ntargets * nand->memorg.luns_per_target *  in nanddev_neraseblocks()
595 	       nand->memorg.eraseblocks_per_lun;  in nanddev_neraseblocks()
604 static inline u64 nanddev_size(const struct nand_device *nand)  in nanddev_size()  argument
606 	return nanddev_target_size(nand) * nanddev_ntargets(nand);  in nanddev_size()
619 nanddev_get_memorg(struct nand_device *nand)  in nanddev_get_memorg()  argument
621 	return &nand->memorg;  in nanddev_get_memorg()
629 nanddev_get_ecc_conf(struct nand_device *nand)  in nanddev_get_ecc_conf()  argument
631 	return &nand->ecc.ctx.conf;  in nanddev_get_ecc_conf()
639 nanddev_get_ecc_nsteps(struct nand_device *nand)  in nanddev_get_ecc_nsteps()  argument
641 	return nand->ecc.ctx.nsteps;  in nanddev_get_ecc_nsteps()
649 nanddev_get_ecc_bytes_per_step(struct nand_device *nand)  in nanddev_get_ecc_bytes_per_step()  argument
651 	return nand->ecc.ctx.total / nand->ecc.ctx.nsteps;  in nanddev_get_ecc_bytes_per_step()
660 nanddev_get_ecc_requirements(struct nand_device *nand)  in nanddev_get_ecc_requirements()  argument
662 	return &nand->ecc.requirements;  in nanddev_get_ecc_requirements()
672 nanddev_set_ecc_requirements(struct nand_device *nand,  in nanddev_set_ecc_requirements()  argument
675 	nand->ecc.requirements = *reqs;  in nanddev_set_ecc_requirements()
678 int nanddev_init(struct nand_device *nand, const struct nand_ops *ops,
680 void nanddev_cleanup(struct nand_device *nand);
692 static inline int nanddev_register(struct nand_device *nand)  in nanddev_register()  argument
694 	return mtd_device_register(&nand->mtd, NULL, 0);  in nanddev_register()
707 static inline int nanddev_unregister(struct nand_device *nand)  in nanddev_unregister()  argument
709 	return mtd_device_unregister(&nand->mtd);  in nanddev_unregister()
719 static inline void nanddev_set_of_node(struct nand_device *nand,  in nanddev_set_of_node()  argument
722 	mtd_set_of_node(&nand->mtd, np);  in nanddev_set_of_node()
731 static inline struct device_node *nanddev_get_of_node(struct nand_device *nand)  in nanddev_get_of_node()  argument
733 	return mtd_get_of_node(&nand->mtd);  in nanddev_get_of_node()
746 static inline unsigned int nanddev_offs_to_pos(struct nand_device *nand,  in nanddev_offs_to_pos()  argument
753 	pageoffs = do_div(tmp, nand->memorg.pagesize);  in nanddev_offs_to_pos()
754 	pos->page = do_div(tmp, nand->memorg.pages_per_eraseblock);  in nanddev_offs_to_pos()
755 	pos->eraseblock = do_div(tmp, nand->memorg.eraseblocks_per_lun);  in nanddev_offs_to_pos()
756 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_offs_to_pos()
757 	pos->lun = do_div(tmp, nand->memorg.luns_per_target);  in nanddev_offs_to_pos()
801 static inline loff_t nanddev_pos_to_offs(struct nand_device *nand,  in nanddev_pos_to_offs()  argument
809 		    (pos->target * nand->memorg.luns_per_target)) *  in nanddev_pos_to_offs()
810 		   nand->memorg.eraseblocks_per_lun) *  in nanddev_pos_to_offs()
811 		  nand->memorg.pages_per_eraseblock);  in nanddev_pos_to_offs()
813 	return (loff_t)npages * nand->memorg.pagesize;  in nanddev_pos_to_offs()
826 static inline unsigned int nanddev_pos_to_row(struct nand_device *nand,  in nanddev_pos_to_row()  argument
829 	return (pos->lun << nand->rowconv.lun_addr_shift) |  in nanddev_pos_to_row()
830 	       (pos->eraseblock << nand->rowconv.eraseblock_addr_shift) |  in nanddev_pos_to_row()
842 static inline void nanddev_pos_next_target(struct nand_device *nand,  in nanddev_pos_next_target()  argument
860 static inline void nanddev_pos_next_lun(struct nand_device *nand,  in nanddev_pos_next_lun()  argument
863 	if (pos->lun >= nand->memorg.luns_per_target - 1)  in nanddev_pos_next_lun()
864 		return nanddev_pos_next_target(nand, pos);  in nanddev_pos_next_lun()
880 static inline void nanddev_pos_next_eraseblock(struct nand_device *nand,  in nanddev_pos_next_eraseblock()  argument
883 	if (pos->eraseblock >= nand->memorg.eraseblocks_per_lun - 1)  in nanddev_pos_next_eraseblock()
884 		return nanddev_pos_next_lun(nand, pos);  in nanddev_pos_next_eraseblock()
888 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_pos_next_eraseblock()
899 static inline void nanddev_pos_next_page(struct nand_device *nand,  in nanddev_pos_next_page()  argument
902 	if (pos->page >= nand->memorg.pages_per_eraseblock - 1)  in nanddev_pos_next_page()
903 		return nanddev_pos_next_eraseblock(nand, pos);  in nanddev_pos_next_page()
918 static inline void nanddev_io_iter_init(struct nand_device *nand,  in nanddev_io_iter_init()  argument
923 	struct mtd_info *mtd = nanddev_to_mtd(nand);  in nanddev_io_iter_init()
927 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);  in nanddev_io_iter_init()
934 				  nand->memorg.pagesize - iter->req.dataoffs,  in nanddev_io_iter_init()
949 static inline void nanddev_io_iter_next_page(struct nand_device *nand,  in nanddev_io_iter_next_page()  argument
952 	nanddev_pos_next_page(nand, &iter->req.pos);  in nanddev_io_iter_next_page()
959 	iter->req.datalen = min_t(unsigned int, nand->memorg.pagesize,  in nanddev_io_iter_next_page()
976 static inline bool nanddev_io_iter_end(struct nand_device *nand,  in nanddev_io_iter_end()  argument
995 #define nanddev_io_for_each_page(nand, type, start, req, iter)		\  argument
996 	for (nanddev_io_iter_init(nand, type, start, req, iter);	\
997 	     !nanddev_io_iter_end(nand, iter);				\
998 	     nanddev_io_iter_next_page(nand, iter))
1000 bool nanddev_isbad(struct nand_device *nand, const struct nand_pos *pos);
1001 bool nanddev_isreserved(struct nand_device *nand, const struct nand_pos *pos);
1002 int nanddev_markbad(struct nand_device *nand, const struct nand_pos *pos);
1005 int nanddev_ecc_engine_init(struct nand_device *nand);
1006 void nanddev_ecc_engine_cleanup(struct nand_device *nand);
1008 static inline void *nand_to_ecc_ctx(struct nand_device *nand)  in nand_to_ecc_ctx()  argument
1010 	return nand->ecc.ctx.priv;  in nand_to_ecc_ctx()
1023 int nanddev_bbt_init(struct nand_device *nand);
1024 void nanddev_bbt_cleanup(struct nand_device *nand);
1025 int nanddev_bbt_update(struct nand_device *nand);
1026 int nanddev_bbt_get_block_status(const struct nand_device *nand,
1028 int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
1030 int nanddev_bbt_markbad(struct nand_device *nand, unsigned int block);
1042 static inline unsigned int nanddev_bbt_pos_to_entry(struct nand_device *nand,  in nanddev_bbt_pos_to_entry()  argument
1046 	       ((pos->lun + (pos->target * nand->memorg.luns_per_target)) *  in nanddev_bbt_pos_to_entry()
1047 		nand->memorg.eraseblocks_per_lun);  in nanddev_bbt_pos_to_entry()
1056 static inline bool nanddev_bbt_is_initialized(struct nand_device *nand)  in nanddev_bbt_is_initialized()  argument
1058 	return !!nand->bbt.cache;  in nanddev_bbt_is_initialized()