238 	int (*erase)(struct nand_device *nand, const struct nand_pos *pos);
239 	int (*markbad)(struct nand_device *nand, const struct nand_pos *pos);
240 	bool (*isbad)(struct nand_device *nand, const struct nand_pos *pos);
268 	int (*init_ctx)(struct nand_device *nand);
269 	void (*cleanup_ctx)(struct nand_device *nand);
270 	int (*prepare_io_req)(struct nand_device *nand,
272 	int (*finish_io_req)(struct nand_device *nand,
284 void of_get_nand_ecc_user_config(struct nand_device *nand);
285 int nand_ecc_init_ctx(struct nand_device *nand);
286 void nand_ecc_cleanup_ctx(struct nand_device *nand);
287 int nand_ecc_prepare_io_req(struct nand_device *nand,
289 int nand_ecc_finish_io_req(struct nand_device *nand,
291 bool nand_ecc_is_strong_enough(struct nand_device *nand);
375 static inline struct mtd_info *nanddev_to_mtd(struct nand_device *nand)  in nanddev_to_mtd()  argument
377 	return &nand->mtd;  in nanddev_to_mtd()
386 static inline unsigned int nanddev_bits_per_cell(const struct nand_device *nand)  in nanddev_bits_per_cell()  argument
388 	return nand->memorg.bits_per_cell;  in nanddev_bits_per_cell()
397 static inline size_t nanddev_page_size(const struct nand_device *nand)  in nanddev_page_size()  argument
399 	return nand->memorg.pagesize;  in nanddev_page_size()
409 nanddev_per_page_oobsize(const struct nand_device *nand)  in nanddev_per_page_oobsize()  argument
411 	return nand->memorg.oobsize;  in nanddev_per_page_oobsize()
421 nanddev_pages_per_eraseblock(const struct nand_device *nand)  in nanddev_pages_per_eraseblock()  argument
423 	return nand->memorg.pages_per_eraseblock;  in nanddev_pages_per_eraseblock()
433 nanddev_pages_per_target(const struct nand_device *nand)  in nanddev_pages_per_target()  argument
435 	return nand->memorg.pages_per_eraseblock *  in nanddev_pages_per_target()
436 	       nand->memorg.eraseblocks_per_lun *  in nanddev_pages_per_target()
437 	       nand->memorg.luns_per_target;  in nanddev_pages_per_target()
446 static inline size_t nanddev_eraseblock_size(const struct nand_device *nand)  in nanddev_eraseblock_size()  argument
448 	return nand->memorg.pagesize * nand->memorg.pages_per_eraseblock;  in nanddev_eraseblock_size()
458 nanddev_eraseblocks_per_lun(const struct nand_device *nand)  in nanddev_eraseblocks_per_lun()  argument
460 	return nand->memorg.eraseblocks_per_lun;  in nanddev_eraseblocks_per_lun()
470 nanddev_eraseblocks_per_target(const struct nand_device *nand)  in nanddev_eraseblocks_per_target()  argument
472 	return nand->memorg.eraseblocks_per_lun * nand->memorg.luns_per_target;  in nanddev_eraseblocks_per_target()
481 static inline u64 nanddev_target_size(const struct nand_device *nand)  in nanddev_target_size()  argument
483 	return (u64)nand->memorg.luns_per_target *  in nanddev_target_size()
484 	       nand->memorg.eraseblocks_per_lun *  in nanddev_target_size()
485 	       nand->memorg.pages_per_eraseblock *  in nanddev_target_size()
486 	       nand->memorg.pagesize;  in nanddev_target_size()
495 static inline unsigned int nanddev_ntargets(const struct nand_device *nand)  in nanddev_ntargets()  argument
497 	return nand->memorg.ntargets;  in nanddev_ntargets()
506 static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)  in nanddev_neraseblocks()  argument
508 	return nand->memorg.ntargets * nand->memorg.luns_per_target *  in nanddev_neraseblocks()
509 	       nand->memorg.eraseblocks_per_lun;  in nanddev_neraseblocks()
518 static inline u64 nanddev_size(const struct nand_device *nand)  in nanddev_size()  argument
520 	return nanddev_target_size(nand) * nanddev_ntargets(nand);  in nanddev_size()
533 nanddev_get_memorg(struct nand_device *nand)  in nanddev_get_memorg()  argument
535 	return &nand->memorg;  in nanddev_get_memorg()
543 nanddev_get_ecc_conf(struct nand_device *nand)  in nanddev_get_ecc_conf()  argument
545 	return &nand->ecc.ctx.conf;  in nanddev_get_ecc_conf()
554 nanddev_get_ecc_requirements(struct nand_device *nand)  in nanddev_get_ecc_requirements()  argument
556 	return &nand->ecc.requirements;  in nanddev_get_ecc_requirements()
566 nanddev_set_ecc_requirements(struct nand_device *nand,  in nanddev_set_ecc_requirements()  argument
569 	nand->ecc.requirements = *reqs;  in nanddev_set_ecc_requirements()
572 int nanddev_init(struct nand_device *nand, const struct nand_ops *ops,
574 void nanddev_cleanup(struct nand_device *nand);
586 static inline int nanddev_register(struct nand_device *nand)  in nanddev_register()  argument
588 	return mtd_device_register(&nand->mtd, NULL, 0);  in nanddev_register()
601 static inline int nanddev_unregister(struct nand_device *nand)  in nanddev_unregister()  argument
603 	return mtd_device_unregister(&nand->mtd);  in nanddev_unregister()
613 static inline void nanddev_set_of_node(struct nand_device *nand,  in nanddev_set_of_node()  argument
616 	mtd_set_of_node(&nand->mtd, np);  in nanddev_set_of_node()
625 static inline struct device_node *nanddev_get_of_node(struct nand_device *nand)  in nanddev_get_of_node()  argument
627 	return mtd_get_of_node(&nand->mtd);  in nanddev_get_of_node()
640 static inline unsigned int nanddev_offs_to_pos(struct nand_device *nand,  in nanddev_offs_to_pos()  argument
647 	pageoffs = do_div(tmp, nand->memorg.pagesize);  in nanddev_offs_to_pos()
648 	pos->page = do_div(tmp, nand->memorg.pages_per_eraseblock);  in nanddev_offs_to_pos()
649 	pos->eraseblock = do_div(tmp, nand->memorg.eraseblocks_per_lun);  in nanddev_offs_to_pos()
650 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_offs_to_pos()
651 	pos->lun = do_div(tmp, nand->memorg.luns_per_target);  in nanddev_offs_to_pos()
695 static inline loff_t nanddev_pos_to_offs(struct nand_device *nand,  in nanddev_pos_to_offs()  argument
703 		    (pos->target * nand->memorg.luns_per_target)) *  in nanddev_pos_to_offs()
704 		   nand->memorg.eraseblocks_per_lun) *  in nanddev_pos_to_offs()
705 		  nand->memorg.pages_per_eraseblock);  in nanddev_pos_to_offs()
707 	return (loff_t)npages * nand->memorg.pagesize;  in nanddev_pos_to_offs()
720 static inline unsigned int nanddev_pos_to_row(struct nand_device *nand,  in nanddev_pos_to_row()  argument
723 	return (pos->lun << nand->rowconv.lun_addr_shift) |  in nanddev_pos_to_row()
724 	       (pos->eraseblock << nand->rowconv.eraseblock_addr_shift) |  in nanddev_pos_to_row()
736 static inline void nanddev_pos_next_target(struct nand_device *nand,  in nanddev_pos_next_target()  argument
754 static inline void nanddev_pos_next_lun(struct nand_device *nand,  in nanddev_pos_next_lun()  argument
757 	if (pos->lun >= nand->memorg.luns_per_target - 1)  in nanddev_pos_next_lun()
758 		return nanddev_pos_next_target(nand, pos);  in nanddev_pos_next_lun()
774 static inline void nanddev_pos_next_eraseblock(struct nand_device *nand,  in nanddev_pos_next_eraseblock()  argument
777 	if (pos->eraseblock >= nand->memorg.eraseblocks_per_lun - 1)  in nanddev_pos_next_eraseblock()
778 		return nanddev_pos_next_lun(nand, pos);  in nanddev_pos_next_eraseblock()
782 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_pos_next_eraseblock()
793 static inline void nanddev_pos_next_page(struct nand_device *nand,  in nanddev_pos_next_page()  argument
796 	if (pos->page >= nand->memorg.pages_per_eraseblock - 1)  in nanddev_pos_next_page()
797 		return nanddev_pos_next_eraseblock(nand, pos);  in nanddev_pos_next_page()
812 static inline void nanddev_io_iter_init(struct nand_device *nand,  in nanddev_io_iter_init()  argument
817 	struct mtd_info *mtd = nanddev_to_mtd(nand);  in nanddev_io_iter_init()
821 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);  in nanddev_io_iter_init()
828 				  nand->memorg.pagesize - iter->req.dataoffs,  in nanddev_io_iter_init()
843 static inline void nanddev_io_iter_next_page(struct nand_device *nand,  in nanddev_io_iter_next_page()  argument
846 	nanddev_pos_next_page(nand, &iter->req.pos);  in nanddev_io_iter_next_page()
853 	iter->req.datalen = min_t(unsigned int, nand->memorg.pagesize,  in nanddev_io_iter_next_page()
870 static inline bool nanddev_io_iter_end(struct nand_device *nand,  in nanddev_io_iter_end()  argument
889 #define nanddev_io_for_each_page(nand, type, start, req, iter)		\  argument
890 	for (nanddev_io_iter_init(nand, type, start, req, iter);	\
891 	     !nanddev_io_iter_end(nand, iter);				\
892 	     nanddev_io_iter_next_page(nand, iter))
894 bool nanddev_isbad(struct nand_device *nand, const struct nand_pos *pos);
895 bool nanddev_isreserved(struct nand_device *nand, const struct nand_pos *pos);
896 int nanddev_erase(struct nand_device *nand, const struct nand_pos *pos);
897 int nanddev_markbad(struct nand_device *nand, const struct nand_pos *pos);
909 int nanddev_bbt_init(struct nand_device *nand);
910 void nanddev_bbt_cleanup(struct nand_device *nand);
911 int nanddev_bbt_update(struct nand_device *nand);
912 int nanddev_bbt_get_block_status(const struct nand_device *nand,
914 int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
916 int nanddev_bbt_markbad(struct nand_device *nand, unsigned int block);
928 static inline unsigned int nanddev_bbt_pos_to_entry(struct nand_device *nand,  in nanddev_bbt_pos_to_entry()  argument
932 	       ((pos->lun + (pos->target * nand->memorg.luns_per_target)) *  in nanddev_bbt_pos_to_entry()
933 		nand->memorg.eraseblocks_per_lun);  in nanddev_bbt_pos_to_entry()
942 static inline bool nanddev_bbt_is_initialized(struct nand_device *nand)  in nanddev_bbt_is_initialized()  argument
944 	return !!nand->bbt.cache;  in nanddev_bbt_is_initialized()