229 	int (*erase)(struct nand_device *nand, const struct nand_pos *pos);
230 	int (*markbad)(struct nand_device *nand, const struct nand_pos *pos);
231 	bool (*isbad)(struct nand_device *nand, const struct nand_pos *pos);
261 	int (*init_ctx)(struct nand_device *nand);
262 	void (*cleanup_ctx)(struct nand_device *nand);
263 	int (*prepare_io_req)(struct nand_device *nand,
265 	int (*finish_io_req)(struct nand_device *nand,
301 void of_get_nand_ecc_user_config(struct nand_device *nand);
302 int nand_ecc_init_ctx(struct nand_device *nand);
303 void nand_ecc_cleanup_ctx(struct nand_device *nand);
304 int nand_ecc_prepare_io_req(struct nand_device *nand,
306 int nand_ecc_finish_io_req(struct nand_device *nand,
308 bool nand_ecc_is_strong_enough(struct nand_device *nand);
326 struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand);
327 struct nand_ecc_engine *nand_ecc_get_on_die_hw_engine(struct nand_device *nand);
328 struct nand_ecc_engine *nand_ecc_get_on_host_hw_engine(struct nand_device *nand);
329 void nand_ecc_put_on_host_hw_engine(struct nand_device *nand);
365 	struct nand_device *nand;  member
375 			       struct nand_device *nand);
464 static inline struct mtd_info *nanddev_to_mtd(struct nand_device *nand)  in nanddev_to_mtd()  argument
466 	return &nand->mtd;  in nanddev_to_mtd()
475 static inline unsigned int nanddev_bits_per_cell(const struct nand_device *nand)  in nanddev_bits_per_cell()  argument
477 	return nand->memorg.bits_per_cell;  in nanddev_bits_per_cell()
486 static inline size_t nanddev_page_size(const struct nand_device *nand)  in nanddev_page_size()  argument
488 	return nand->memorg.pagesize;  in nanddev_page_size()
498 nanddev_per_page_oobsize(const struct nand_device *nand)  in nanddev_per_page_oobsize()  argument
500 	return nand->memorg.oobsize;  in nanddev_per_page_oobsize()
510 nanddev_pages_per_eraseblock(const struct nand_device *nand)  in nanddev_pages_per_eraseblock()  argument
512 	return nand->memorg.pages_per_eraseblock;  in nanddev_pages_per_eraseblock()
522 nanddev_pages_per_target(const struct nand_device *nand)  in nanddev_pages_per_target()  argument
524 	return nand->memorg.pages_per_eraseblock *  in nanddev_pages_per_target()
525 	       nand->memorg.eraseblocks_per_lun *  in nanddev_pages_per_target()
526 	       nand->memorg.luns_per_target;  in nanddev_pages_per_target()
535 static inline size_t nanddev_eraseblock_size(const struct nand_device *nand)  in nanddev_eraseblock_size()  argument
537 	return nand->memorg.pagesize * nand->memorg.pages_per_eraseblock;  in nanddev_eraseblock_size()
547 nanddev_eraseblocks_per_lun(const struct nand_device *nand)  in nanddev_eraseblocks_per_lun()  argument
549 	return nand->memorg.eraseblocks_per_lun;  in nanddev_eraseblocks_per_lun()
559 nanddev_eraseblocks_per_target(const struct nand_device *nand)  in nanddev_eraseblocks_per_target()  argument
561 	return nand->memorg.eraseblocks_per_lun * nand->memorg.luns_per_target;  in nanddev_eraseblocks_per_target()
570 static inline u64 nanddev_target_size(const struct nand_device *nand)  in nanddev_target_size()  argument
572 	return (u64)nand->memorg.luns_per_target *  in nanddev_target_size()
573 	       nand->memorg.eraseblocks_per_lun *  in nanddev_target_size()
574 	       nand->memorg.pages_per_eraseblock *  in nanddev_target_size()
575 	       nand->memorg.pagesize;  in nanddev_target_size()
584 static inline unsigned int nanddev_ntargets(const struct nand_device *nand)  in nanddev_ntargets()  argument
586 	return nand->memorg.ntargets;  in nanddev_ntargets()
595 static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)  in nanddev_neraseblocks()  argument
597 	return nand->memorg.ntargets * nand->memorg.luns_per_target *  in nanddev_neraseblocks()
598 	       nand->memorg.eraseblocks_per_lun;  in nanddev_neraseblocks()
607 static inline u64 nanddev_size(const struct nand_device *nand)  in nanddev_size()  argument
609 	return nanddev_target_size(nand) * nanddev_ntargets(nand);  in nanddev_size()
622 nanddev_get_memorg(struct nand_device *nand)  in nanddev_get_memorg()  argument
624 	return &nand->memorg;  in nanddev_get_memorg()
632 nanddev_get_ecc_conf(struct nand_device *nand)  in nanddev_get_ecc_conf()  argument
634 	return &nand->ecc.ctx.conf;  in nanddev_get_ecc_conf()
642 nanddev_get_ecc_nsteps(struct nand_device *nand)  in nanddev_get_ecc_nsteps()  argument
644 	return nand->ecc.ctx.nsteps;  in nanddev_get_ecc_nsteps()
652 nanddev_get_ecc_bytes_per_step(struct nand_device *nand)  in nanddev_get_ecc_bytes_per_step()  argument
654 	return nand->ecc.ctx.total / nand->ecc.ctx.nsteps;  in nanddev_get_ecc_bytes_per_step()
663 nanddev_get_ecc_requirements(struct nand_device *nand)  in nanddev_get_ecc_requirements()  argument
665 	return &nand->ecc.requirements;  in nanddev_get_ecc_requirements()
675 nanddev_set_ecc_requirements(struct nand_device *nand,  in nanddev_set_ecc_requirements()  argument
678 	nand->ecc.requirements = *reqs;  in nanddev_set_ecc_requirements()
681 int nanddev_init(struct nand_device *nand, const struct nand_ops *ops,
683 void nanddev_cleanup(struct nand_device *nand);
695 static inline int nanddev_register(struct nand_device *nand)  in nanddev_register()  argument
697 	return mtd_device_register(&nand->mtd, NULL, 0);  in nanddev_register()
710 static inline int nanddev_unregister(struct nand_device *nand)  in nanddev_unregister()  argument
712 	return mtd_device_unregister(&nand->mtd);  in nanddev_unregister()
722 static inline void nanddev_set_of_node(struct nand_device *nand,  in nanddev_set_of_node()  argument
725 	mtd_set_of_node(&nand->mtd, np);  in nanddev_set_of_node()
734 static inline struct device_node *nanddev_get_of_node(struct nand_device *nand)  in nanddev_get_of_node()  argument
736 	return mtd_get_of_node(&nand->mtd);  in nanddev_get_of_node()
749 static inline unsigned int nanddev_offs_to_pos(struct nand_device *nand,  in nanddev_offs_to_pos()  argument
756 	pageoffs = do_div(tmp, nand->memorg.pagesize);  in nanddev_offs_to_pos()
757 	pos->page = do_div(tmp, nand->memorg.pages_per_eraseblock);  in nanddev_offs_to_pos()
758 	pos->eraseblock = do_div(tmp, nand->memorg.eraseblocks_per_lun);  in nanddev_offs_to_pos()
759 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_offs_to_pos()
760 	pos->lun = do_div(tmp, nand->memorg.luns_per_target);  in nanddev_offs_to_pos()
804 static inline loff_t nanddev_pos_to_offs(struct nand_device *nand,  in nanddev_pos_to_offs()  argument
812 		    (pos->target * nand->memorg.luns_per_target)) *  in nanddev_pos_to_offs()
813 		   nand->memorg.eraseblocks_per_lun) *  in nanddev_pos_to_offs()
814 		  nand->memorg.pages_per_eraseblock);  in nanddev_pos_to_offs()
816 	return (loff_t)npages * nand->memorg.pagesize;  in nanddev_pos_to_offs()
829 static inline unsigned int nanddev_pos_to_row(struct nand_device *nand,  in nanddev_pos_to_row()  argument
832 	return (pos->lun << nand->rowconv.lun_addr_shift) |  in nanddev_pos_to_row()
833 	       (pos->eraseblock << nand->rowconv.eraseblock_addr_shift) |  in nanddev_pos_to_row()
845 static inline void nanddev_pos_next_target(struct nand_device *nand,  in nanddev_pos_next_target()  argument
863 static inline void nanddev_pos_next_lun(struct nand_device *nand,  in nanddev_pos_next_lun()  argument
866 	if (pos->lun >= nand->memorg.luns_per_target - 1)  in nanddev_pos_next_lun()
867 		return nanddev_pos_next_target(nand, pos);  in nanddev_pos_next_lun()
883 static inline void nanddev_pos_next_eraseblock(struct nand_device *nand,  in nanddev_pos_next_eraseblock()  argument
886 	if (pos->eraseblock >= nand->memorg.eraseblocks_per_lun - 1)  in nanddev_pos_next_eraseblock()
887 		return nanddev_pos_next_lun(nand, pos);  in nanddev_pos_next_eraseblock()
891 	pos->plane = pos->eraseblock % nand->memorg.planes_per_lun;  in nanddev_pos_next_eraseblock()
902 static inline void nanddev_pos_next_page(struct nand_device *nand,  in nanddev_pos_next_page()  argument
905 	if (pos->page >= nand->memorg.pages_per_eraseblock - 1)  in nanddev_pos_next_page()
906 		return nanddev_pos_next_eraseblock(nand, pos);  in nanddev_pos_next_page()
921 static inline void nanddev_io_page_iter_init(struct nand_device *nand,  in nanddev_io_page_iter_init()  argument
926 	struct mtd_info *mtd = nanddev_to_mtd(nand);  in nanddev_io_page_iter_init()
930 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);  in nanddev_io_page_iter_init()
937 				  nand->memorg.pagesize - iter->req.dataoffs,  in nanddev_io_page_iter_init()
958 static inline void nanddev_io_block_iter_init(struct nand_device *nand,  in nanddev_io_block_iter_init()  argument
967 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);  in nanddev_io_block_iter_init()
973 	offs_in_eb = (nand->memorg.pagesize * iter->req.pos.page) + iter->req.dataoffs;  in nanddev_io_block_iter_init()
975 				  nanddev_eraseblock_size(nand) - offs_in_eb,  in nanddev_io_block_iter_init()
989 static inline void nanddev_io_iter_next_page(struct nand_device *nand,  in nanddev_io_iter_next_page()  argument
992 	nanddev_pos_next_page(nand, &iter->req.pos);  in nanddev_io_iter_next_page()
999 	iter->req.datalen = min_t(unsigned int, nand->memorg.pagesize,  in nanddev_io_iter_next_page()
1013 static inline void nanddev_io_iter_next_block(struct nand_device *nand,  in nanddev_io_iter_next_block()  argument
1016 	nanddev_pos_next_eraseblock(nand, &iter->req.pos);  in nanddev_io_iter_next_block()
1020 	iter->req.datalen = min_t(unsigned int, nanddev_eraseblock_size(nand),  in nanddev_io_iter_next_block()
1035 static inline bool nanddev_io_iter_end(struct nand_device *nand,  in nanddev_io_iter_end()  argument
1054 #define nanddev_io_for_each_page(nand, type, start, req, iter)		\  argument
1055 	for (nanddev_io_page_iter_init(nand, type, start, req, iter);	\
1056 	     !nanddev_io_iter_end(nand, iter);				\
1057 	     nanddev_io_iter_next_page(nand, iter))
1069 #define nanddev_io_for_each_block(nand, type, start, req, iter)		\  argument
1070 	for (nanddev_io_block_iter_init(nand, type, start, req, iter);	\
1071 	     !nanddev_io_iter_end(nand, iter);				\
1072 	     nanddev_io_iter_next_block(nand, iter))
1074 bool nanddev_isbad(struct nand_device *nand, const struct nand_pos *pos);
1075 bool nanddev_isreserved(struct nand_device *nand, const struct nand_pos *pos);
1076 int nanddev_markbad(struct nand_device *nand, const struct nand_pos *pos);
1079 int nanddev_ecc_engine_init(struct nand_device *nand);
1080 void nanddev_ecc_engine_cleanup(struct nand_device *nand);
1082 static inline void *nand_to_ecc_ctx(struct nand_device *nand)  in nand_to_ecc_ctx()  argument
1084 	return nand->ecc.ctx.priv;  in nand_to_ecc_ctx()
1097 int nanddev_bbt_init(struct nand_device *nand);
1098 void nanddev_bbt_cleanup(struct nand_device *nand);
1099 int nanddev_bbt_update(struct nand_device *nand);
1100 int nanddev_bbt_get_block_status(const struct nand_device *nand,
1102 int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry,
1104 int nanddev_bbt_markbad(struct nand_device *nand, unsigned int block);
1116 static inline unsigned int nanddev_bbt_pos_to_entry(struct nand_device *nand,  in nanddev_bbt_pos_to_entry()  argument
1120 	       ((pos->lun + (pos->target * nand->memorg.luns_per_target)) *  in nanddev_bbt_pos_to_entry()
1121 		nand->memorg.eraseblocks_per_lun);  in nanddev_bbt_pos_to_entry()
1130 static inline bool nanddev_bbt_is_initialized(struct nand_device *nand)  in nanddev_bbt_is_initialized()  argument
1132 	return !!nand->bbt.cache;  in nanddev_bbt_is_initialized()