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,
274 void of_get_nand_ecc_user_config(struct nand_device *nand);
275 int nand_ecc_init_ctx(struct nand_device *nand);
276 void nand_ecc_cleanup_ctx(struct nand_device *nand);
277 int nand_ecc_prepare_io_req(struct nand_device *nand,
279 int nand_ecc_finish_io_req(struct nand_device *nand,
281 bool nand_ecc_is_strong_enough(struct nand_device *nand);
282 struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand);
283 struct nand_ecc_engine *nand_ecc_get_on_die_hw_engine(struct nand_device *nand);
318 	struct nand_device *nand;  member
328 			       struct nand_device *nand);
417 static inline struct mtd_info *nanddev_to_mtd(struct nand_device *nand)  in nanddev_to_mtd()  argument
419 	return &nand->mtd;  in nanddev_to_mtd()
428 static inline unsigned int nanddev_bits_per_cell(const struct nand_device *nand)  in nanddev_bits_per_cell()  argument
430 	return nand->memorg.bits_per_cell;  in nanddev_bits_per_cell()
439 static inline size_t nanddev_page_size(const struct nand_device *nand)  in nanddev_page_size()  argument
441 	return nand->memorg.pagesize;  in nanddev_page_size()
451 nanddev_per_page_oobsize(const struct nand_device *nand)  in nanddev_per_page_oobsize()  argument
453 	return nand->memorg.oobsize;  in nanddev_per_page_oobsize()
463 nanddev_pages_per_eraseblock(const struct nand_device *nand)  in nanddev_pages_per_eraseblock()  argument
465 	return nand->memorg.pages_per_eraseblock;  in nanddev_pages_per_eraseblock()
475 nanddev_pages_per_target(const struct nand_device *nand)  in nanddev_pages_per_target()  argument
477 	return nand->memorg.pages_per_eraseblock *  in nanddev_pages_per_target()
478 	       nand->memorg.eraseblocks_per_lun *  in nanddev_pages_per_target()
479 	       nand->memorg.luns_per_target;  in nanddev_pages_per_target()
488 static inline size_t nanddev_eraseblock_size(const struct nand_device *nand)  in nanddev_eraseblock_size()  argument
490 	return nand->memorg.pagesize * nand->memorg.pages_per_eraseblock;  in nanddev_eraseblock_size()
500 nanddev_eraseblocks_per_lun(const struct nand_device *nand)  in nanddev_eraseblocks_per_lun()  argument
502 	return nand->memorg.eraseblocks_per_lun;  in nanddev_eraseblocks_per_lun()
512 nanddev_eraseblocks_per_target(const struct nand_device *nand)  in nanddev_eraseblocks_per_target()  argument
514 	return nand->memorg.eraseblocks_per_lun * nand->memorg.luns_per_target;  in nanddev_eraseblocks_per_target()
523 static inline u64 nanddev_target_size(const struct nand_device *nand)  in nanddev_target_size()  argument
525 	return (u64)nand->memorg.luns_per_target *  in nanddev_target_size()
526 	       nand->memorg.eraseblocks_per_lun *  in nanddev_target_size()
527 	       nand->memorg.pages_per_eraseblock *  in nanddev_target_size()
528 	       nand->memorg.pagesize;  in nanddev_target_size()
537 static inline unsigned int nanddev_ntargets(const struct nand_device *nand)  in nanddev_ntargets()  argument
539 	return nand->memorg.ntargets;  in nanddev_ntargets()
548 static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)  in nanddev_neraseblocks()  argument
550 	return nand->memorg.ntargets * nand->memorg.luns_per_target *  in nanddev_neraseblocks()
551 	       nand->memorg.eraseblocks_per_lun;  in nanddev_neraseblocks()
560 static inline u64 nanddev_size(const struct nand_device *nand)  in nanddev_size()  argument
562 	return nanddev_target_size(nand) * nanddev_ntargets(nand);  in nanddev_size()
575 nanddev_get_memorg(struct nand_device *nand)  in nanddev_get_memorg()  argument
577 	return &nand->memorg;  in nanddev_get_memorg()
585 nanddev_get_ecc_conf(struct nand_device *nand)  in nanddev_get_ecc_conf()  argument
587 	return &nand->ecc.ctx.conf;  in nanddev_get_ecc_conf()
595 nanddev_get_ecc_nsteps(struct nand_device *nand)  in nanddev_get_ecc_nsteps()  argument
597 	return nand->ecc.ctx.nsteps;  in nanddev_get_ecc_nsteps()
605 nanddev_get_ecc_bytes_per_step(struct nand_device *nand)  in nanddev_get_ecc_bytes_per_step()  argument
607 	return nand->ecc.ctx.total / nand->ecc.ctx.nsteps;  in nanddev_get_ecc_bytes_per_step()
616 nanddev_get_ecc_requirements(struct nand_device *nand)  in nanddev_get_ecc_requirements()  argument
618 	return &nand->ecc.requirements;  in nanddev_get_ecc_requirements()
628 nanddev_set_ecc_requirements(struct nand_device *nand,  in nanddev_set_ecc_requirements()  argument
631 	nand->ecc.requirements = *reqs;  in nanddev_set_ecc_requirements()
634 int nanddev_init(struct nand_device *nand, const struct nand_ops *ops,
636 void nanddev_cleanup(struct nand_device *nand);
648 static inline int nanddev_register(struct nand_device *nand)  in nanddev_register()  argument
650 	return mtd_device_register(&nand->mtd, NULL, 0);  in nanddev_register()
663 static inline int nanddev_unregister(struct nand_device *nand)  in nanddev_unregister()  argument
665 	return mtd_device_unregister(&nand->mtd);  in nanddev_unregister()
675 static inline void nanddev_set_of_node(struct nand_device *nand,  in nanddev_set_of_node()  argument
678 	mtd_set_of_node(&nand->mtd, np);  in nanddev_set_of_node()
687 static inline struct device_node *nanddev_get_of_node(struct nand_device *nand)  in nanddev_get_of_node()  argument
689 	return mtd_get_of_node(&nand->mtd);  in nanddev_get_of_node()
702 static inline unsigned int nanddev_offs_to_pos(struct nand_device *nand,  in nanddev_offs_to_pos()  argument
709 	pageoffs = do_div(tmp, nand->memorg.pagesize);  in nanddev_offs_to_pos()
710 	pos->page = do_div(tmp, nand->memorg.pages_per_eraseblock);  in nanddev_offs_to_pos()
711 	pos->eraseblock = do_div(tmp, nand->memorg.eraseblocks_per_lun);  in nanddev_offs_to_pos()
712 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_offs_to_pos()
713 	pos->lun = do_div(tmp, nand->memorg.luns_per_target);  in nanddev_offs_to_pos()
757 static inline loff_t nanddev_pos_to_offs(struct nand_device *nand,  in nanddev_pos_to_offs()  argument
765 		    (pos->target * nand->memorg.luns_per_target)) *  in nanddev_pos_to_offs()
766 		   nand->memorg.eraseblocks_per_lun) *  in nanddev_pos_to_offs()
767 		  nand->memorg.pages_per_eraseblock);  in nanddev_pos_to_offs()
769 	return (loff_t)npages * nand->memorg.pagesize;  in nanddev_pos_to_offs()
782 static inline unsigned int nanddev_pos_to_row(struct nand_device *nand,  in nanddev_pos_to_row()  argument
785 	return (pos->lun << nand->rowconv.lun_addr_shift) |  in nanddev_pos_to_row()
786 	       (pos->eraseblock << nand->rowconv.eraseblock_addr_shift) |  in nanddev_pos_to_row()
798 static inline void nanddev_pos_next_target(struct nand_device *nand,  in nanddev_pos_next_target()  argument
816 static inline void nanddev_pos_next_lun(struct nand_device *nand,  in nanddev_pos_next_lun()  argument
819 	if (pos->lun >= nand->memorg.luns_per_target - 1)  in nanddev_pos_next_lun()
820 		return nanddev_pos_next_target(nand, pos);  in nanddev_pos_next_lun()
836 static inline void nanddev_pos_next_eraseblock(struct nand_device *nand,  in nanddev_pos_next_eraseblock()  argument
839 	if (pos->eraseblock >= nand->memorg.eraseblocks_per_lun - 1)  in nanddev_pos_next_eraseblock()
840 		return nanddev_pos_next_lun(nand, pos);  in nanddev_pos_next_eraseblock()
844 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_pos_next_eraseblock()
855 static inline void nanddev_pos_next_page(struct nand_device *nand,  in nanddev_pos_next_page()  argument
858 	if (pos->page >= nand->memorg.pages_per_eraseblock - 1)  in nanddev_pos_next_page()
859 		return nanddev_pos_next_eraseblock(nand, pos);  in nanddev_pos_next_page()
874 static inline void nanddev_io_iter_init(struct nand_device *nand,  in nanddev_io_iter_init()  argument
879 	struct mtd_info *mtd = nanddev_to_mtd(nand);  in nanddev_io_iter_init()
883 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);  in nanddev_io_iter_init()
890 				  nand->memorg.pagesize - iter->req.dataoffs,  in nanddev_io_iter_init()
905 static inline void nanddev_io_iter_next_page(struct nand_device *nand,  in nanddev_io_iter_next_page()  argument
908 	nanddev_pos_next_page(nand, &iter->req.pos);  in nanddev_io_iter_next_page()
915 	iter->req.datalen = min_t(unsigned int, nand->memorg.pagesize,  in nanddev_io_iter_next_page()
932 static inline bool nanddev_io_iter_end(struct nand_device *nand,  in nanddev_io_iter_end()  argument
951 #define nanddev_io_for_each_page(nand, type, start, req, iter)		\  argument
952 	for (nanddev_io_iter_init(nand, type, start, req, iter);	\
953 	     !nanddev_io_iter_end(nand, iter);				\
954 	     nanddev_io_iter_next_page(nand, iter))
956 bool nanddev_isbad(struct nand_device *nand, const struct nand_pos *pos);
957 bool nanddev_isreserved(struct nand_device *nand, const struct nand_pos *pos);
958 int nanddev_erase(struct nand_device *nand, const struct nand_pos *pos);
959 int nanddev_markbad(struct nand_device *nand, const struct nand_pos *pos);
962 int nanddev_ecc_engine_init(struct nand_device *nand);
963 void nanddev_ecc_engine_cleanup(struct nand_device *nand);
975 int nanddev_bbt_init(struct nand_device *nand);
976 void nanddev_bbt_cleanup(struct nand_device *nand);
977 int nanddev_bbt_update(struct nand_device *nand);
978 int nanddev_bbt_get_block_status(const struct nand_device *nand,
980 int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
982 int nanddev_bbt_markbad(struct nand_device *nand, unsigned int block);
994 static inline unsigned int nanddev_bbt_pos_to_entry(struct nand_device *nand,  in nanddev_bbt_pos_to_entry()  argument
998 	       ((pos->lun + (pos->target * nand->memorg.luns_per_target)) *  in nanddev_bbt_pos_to_entry()
999 		nand->memorg.eraseblocks_per_lun);  in nanddev_bbt_pos_to_entry()
1008 static inline bool nanddev_bbt_is_initialized(struct nand_device *nand)  in nanddev_bbt_is_initialized()  argument
1010 	return !!nand->bbt.cache;  in nanddev_bbt_is_initialized()