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);
256 	int (*init_ctx)(struct nand_device *nand);
257 	void (*cleanup_ctx)(struct nand_device *nand);
258 	int (*prepare_io_req)(struct nand_device *nand,
260 	int (*finish_io_req)(struct nand_device *nand,
272 void of_get_nand_ecc_user_config(struct nand_device *nand);
273 int nand_ecc_init_ctx(struct nand_device *nand);
274 void nand_ecc_cleanup_ctx(struct nand_device *nand);
275 int nand_ecc_prepare_io_req(struct nand_device *nand,
277 int nand_ecc_finish_io_req(struct nand_device *nand,
279 bool nand_ecc_is_strong_enough(struct nand_device *nand);
363 static inline struct mtd_info *nanddev_to_mtd(struct nand_device *nand)  in nanddev_to_mtd()  argument
365 	return &nand->mtd;  in nanddev_to_mtd()
374 static inline unsigned int nanddev_bits_per_cell(const struct nand_device *nand)  in nanddev_bits_per_cell()  argument
376 	return nand->memorg.bits_per_cell;  in nanddev_bits_per_cell()
385 static inline size_t nanddev_page_size(const struct nand_device *nand)  in nanddev_page_size()  argument
387 	return nand->memorg.pagesize;  in nanddev_page_size()
397 nanddev_per_page_oobsize(const struct nand_device *nand)  in nanddev_per_page_oobsize()  argument
399 	return nand->memorg.oobsize;  in nanddev_per_page_oobsize()
409 nanddev_pages_per_eraseblock(const struct nand_device *nand)  in nanddev_pages_per_eraseblock()  argument
411 	return nand->memorg.pages_per_eraseblock;  in nanddev_pages_per_eraseblock()
421 nanddev_pages_per_target(const struct nand_device *nand)  in nanddev_pages_per_target()  argument
423 	return nand->memorg.pages_per_eraseblock *  in nanddev_pages_per_target()
424 	       nand->memorg.eraseblocks_per_lun *  in nanddev_pages_per_target()
425 	       nand->memorg.luns_per_target;  in nanddev_pages_per_target()
434 static inline size_t nanddev_eraseblock_size(const struct nand_device *nand)  in nanddev_eraseblock_size()  argument
436 	return nand->memorg.pagesize * nand->memorg.pages_per_eraseblock;  in nanddev_eraseblock_size()
446 nanddev_eraseblocks_per_lun(const struct nand_device *nand)  in nanddev_eraseblocks_per_lun()  argument
448 	return nand->memorg.eraseblocks_per_lun;  in nanddev_eraseblocks_per_lun()
458 nanddev_eraseblocks_per_target(const struct nand_device *nand)  in nanddev_eraseblocks_per_target()  argument
460 	return nand->memorg.eraseblocks_per_lun * nand->memorg.luns_per_target;  in nanddev_eraseblocks_per_target()
469 static inline u64 nanddev_target_size(const struct nand_device *nand)  in nanddev_target_size()  argument
471 	return (u64)nand->memorg.luns_per_target *  in nanddev_target_size()
472 	       nand->memorg.eraseblocks_per_lun *  in nanddev_target_size()
473 	       nand->memorg.pages_per_eraseblock *  in nanddev_target_size()
474 	       nand->memorg.pagesize;  in nanddev_target_size()
483 static inline unsigned int nanddev_ntargets(const struct nand_device *nand)  in nanddev_ntargets()  argument
485 	return nand->memorg.ntargets;  in nanddev_ntargets()
494 static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)  in nanddev_neraseblocks()  argument
496 	return nand->memorg.ntargets * nand->memorg.luns_per_target *  in nanddev_neraseblocks()
497 	       nand->memorg.eraseblocks_per_lun;  in nanddev_neraseblocks()
506 static inline u64 nanddev_size(const struct nand_device *nand)  in nanddev_size()  argument
508 	return nanddev_target_size(nand) * nanddev_ntargets(nand);  in nanddev_size()
521 nanddev_get_memorg(struct nand_device *nand)  in nanddev_get_memorg()  argument
523 	return &nand->memorg;  in nanddev_get_memorg()
531 nanddev_get_ecc_conf(struct nand_device *nand)  in nanddev_get_ecc_conf()  argument
533 	return &nand->ecc.ctx.conf;  in nanddev_get_ecc_conf()
542 nanddev_get_ecc_requirements(struct nand_device *nand)  in nanddev_get_ecc_requirements()  argument
544 	return &nand->ecc.requirements;  in nanddev_get_ecc_requirements()
554 nanddev_set_ecc_requirements(struct nand_device *nand,  in nanddev_set_ecc_requirements()  argument
557 	nand->ecc.requirements = *reqs;  in nanddev_set_ecc_requirements()
560 int nanddev_init(struct nand_device *nand, const struct nand_ops *ops,
562 void nanddev_cleanup(struct nand_device *nand);
574 static inline int nanddev_register(struct nand_device *nand)  in nanddev_register()  argument
576 	return mtd_device_register(&nand->mtd, NULL, 0);  in nanddev_register()
589 static inline int nanddev_unregister(struct nand_device *nand)  in nanddev_unregister()  argument
591 	return mtd_device_unregister(&nand->mtd);  in nanddev_unregister()
601 static inline void nanddev_set_of_node(struct nand_device *nand,  in nanddev_set_of_node()  argument
604 	mtd_set_of_node(&nand->mtd, np);  in nanddev_set_of_node()
613 static inline struct device_node *nanddev_get_of_node(struct nand_device *nand)  in nanddev_get_of_node()  argument
615 	return mtd_get_of_node(&nand->mtd);  in nanddev_get_of_node()
628 static inline unsigned int nanddev_offs_to_pos(struct nand_device *nand,  in nanddev_offs_to_pos()  argument
635 	pageoffs = do_div(tmp, nand->memorg.pagesize);  in nanddev_offs_to_pos()
636 	pos->page = do_div(tmp, nand->memorg.pages_per_eraseblock);  in nanddev_offs_to_pos()
637 	pos->eraseblock = do_div(tmp, nand->memorg.eraseblocks_per_lun);  in nanddev_offs_to_pos()
638 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_offs_to_pos()
639 	pos->lun = do_div(tmp, nand->memorg.luns_per_target);  in nanddev_offs_to_pos()
683 static inline loff_t nanddev_pos_to_offs(struct nand_device *nand,  in nanddev_pos_to_offs()  argument
691 		    (pos->target * nand->memorg.luns_per_target)) *  in nanddev_pos_to_offs()
692 		   nand->memorg.eraseblocks_per_lun) *  in nanddev_pos_to_offs()
693 		  nand->memorg.pages_per_eraseblock);  in nanddev_pos_to_offs()
695 	return (loff_t)npages * nand->memorg.pagesize;  in nanddev_pos_to_offs()
708 static inline unsigned int nanddev_pos_to_row(struct nand_device *nand,  in nanddev_pos_to_row()  argument
711 	return (pos->lun << nand->rowconv.lun_addr_shift) |  in nanddev_pos_to_row()
712 	       (pos->eraseblock << nand->rowconv.eraseblock_addr_shift) |  in nanddev_pos_to_row()
724 static inline void nanddev_pos_next_target(struct nand_device *nand,  in nanddev_pos_next_target()  argument
742 static inline void nanddev_pos_next_lun(struct nand_device *nand,  in nanddev_pos_next_lun()  argument
745 	if (pos->lun >= nand->memorg.luns_per_target - 1)  in nanddev_pos_next_lun()
746 		return nanddev_pos_next_target(nand, pos);  in nanddev_pos_next_lun()
762 static inline void nanddev_pos_next_eraseblock(struct nand_device *nand,  in nanddev_pos_next_eraseblock()  argument
765 	if (pos->eraseblock >= nand->memorg.eraseblocks_per_lun - 1)  in nanddev_pos_next_eraseblock()
766 		return nanddev_pos_next_lun(nand, pos);  in nanddev_pos_next_eraseblock()
770 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_pos_next_eraseblock()
781 static inline void nanddev_pos_next_page(struct nand_device *nand,  in nanddev_pos_next_page()  argument
784 	if (pos->page >= nand->memorg.pages_per_eraseblock - 1)  in nanddev_pos_next_page()
785 		return nanddev_pos_next_eraseblock(nand, pos);  in nanddev_pos_next_page()
800 static inline void nanddev_io_iter_init(struct nand_device *nand,  in nanddev_io_iter_init()  argument
805 	struct mtd_info *mtd = nanddev_to_mtd(nand);  in nanddev_io_iter_init()
809 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);  in nanddev_io_iter_init()
816 				  nand->memorg.pagesize - iter->req.dataoffs,  in nanddev_io_iter_init()
831 static inline void nanddev_io_iter_next_page(struct nand_device *nand,  in nanddev_io_iter_next_page()  argument
834 	nanddev_pos_next_page(nand, &iter->req.pos);  in nanddev_io_iter_next_page()
841 	iter->req.datalen = min_t(unsigned int, nand->memorg.pagesize,  in nanddev_io_iter_next_page()
858 static inline bool nanddev_io_iter_end(struct nand_device *nand,  in nanddev_io_iter_end()  argument
877 #define nanddev_io_for_each_page(nand, type, start, req, iter)		\  argument
878 	for (nanddev_io_iter_init(nand, type, start, req, iter);	\
879 	     !nanddev_io_iter_end(nand, iter);				\
880 	     nanddev_io_iter_next_page(nand, iter))
882 bool nanddev_isbad(struct nand_device *nand, const struct nand_pos *pos);
883 bool nanddev_isreserved(struct nand_device *nand, const struct nand_pos *pos);
884 int nanddev_erase(struct nand_device *nand, const struct nand_pos *pos);
885 int nanddev_markbad(struct nand_device *nand, const struct nand_pos *pos);
897 int nanddev_bbt_init(struct nand_device *nand);
898 void nanddev_bbt_cleanup(struct nand_device *nand);
899 int nanddev_bbt_update(struct nand_device *nand);
900 int nanddev_bbt_get_block_status(const struct nand_device *nand,
902 int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
904 int nanddev_bbt_markbad(struct nand_device *nand, unsigned int block);
916 static inline unsigned int nanddev_bbt_pos_to_entry(struct nand_device *nand,  in nanddev_bbt_pos_to_entry()  argument
920 	       ((pos->lun + (pos->target * nand->memorg.luns_per_target)) *  in nanddev_bbt_pos_to_entry()
921 		nand->memorg.eraseblocks_per_lun);  in nanddev_bbt_pos_to_entry()
930 static inline bool nanddev_bbt_is_initialized(struct nand_device *nand)  in nanddev_bbt_is_initialized()  argument
932 	return !!nand->bbt.cache;  in nanddev_bbt_is_initialized()