/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2018 - Bootlin * * Author: Boris Brezillon <[email protected]> * * Header containing internal definitions to be used only by core files. * NAND controller drivers should not include this file. */ #ifndef __LINUX_RAWNAND_INTERNALS #define __LINUX_RAWNAND_INTERNALS #include <linux/mtd/rawnand.h> /* * NAND Flash Manufacturer ID Codes */ #define NAND_MFR_AMD … #define NAND_MFR_ATO … #define NAND_MFR_EON … #define NAND_MFR_ESMT … #define NAND_MFR_FUJITSU … #define NAND_MFR_HYNIX … #define NAND_MFR_INTEL … #define NAND_MFR_MACRONIX … #define NAND_MFR_MICRON … #define NAND_MFR_NATIONAL … #define NAND_MFR_RENESAS … #define NAND_MFR_SAMSUNG … #define NAND_MFR_SANDISK … #define NAND_MFR_STMICRO … /* Kioxia is new name of Toshiba memory. */ #define NAND_MFR_TOSHIBA … #define NAND_MFR_WINBOND … /** * struct nand_manufacturer_ops - NAND Manufacturer operations * @detect: detect the NAND memory organization and capabilities * @init: initialize all vendor specific fields (like the ->read_retry() * implementation) if any. * @cleanup: the ->init() function may have allocated resources, ->cleanup() * is here to let vendor specific code release those resources. * @fixup_onfi_param_page: apply vendor specific fixups to the ONFI parameter * page. This is called after the checksum is verified. */ struct nand_manufacturer_ops { … }; /** * struct nand_manufacturer_desc - NAND Flash Manufacturer descriptor * @name: Manufacturer name * @id: manufacturer ID code of device. * @ops: manufacturer operations */ struct nand_manufacturer_desc { … }; extern struct nand_flash_dev nand_flash_ids[]; extern const struct nand_manufacturer_ops amd_nand_manuf_ops; extern const struct nand_manufacturer_ops esmt_nand_manuf_ops; extern const struct nand_manufacturer_ops hynix_nand_manuf_ops; extern const struct nand_manufacturer_ops macronix_nand_manuf_ops; extern const struct nand_manufacturer_ops micron_nand_manuf_ops; extern const struct nand_manufacturer_ops samsung_nand_manuf_ops; extern const struct nand_manufacturer_ops sandisk_nand_manuf_ops; extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops; /* MLC pairing schemes */ extern const struct mtd_pairing_scheme dist3_pairing_scheme; /* Core functions */ const struct nand_manufacturer_desc *nand_get_manufacturer_desc(u8 id); int nand_bbm_get_next_page(struct nand_chip *chip, int page); int nand_markbad_bbm(struct nand_chip *chip, loff_t ofs); int nand_erase_nand(struct nand_chip *chip, struct erase_info *instr, int allowbbt); void onfi_fill_interface_config(struct nand_chip *chip, struct nand_interface_config *iface, enum nand_interface_type type, unsigned int timing_mode); unsigned int onfi_find_closest_sdr_mode(const struct nand_sdr_timings *spec_timings); unsigned int onfi_find_closest_nvddr_mode(const struct nand_nvddr_timings *spec_timings); int nand_choose_best_sdr_timings(struct nand_chip *chip, struct nand_interface_config *iface, struct nand_sdr_timings *spec_timings); int nand_choose_best_nvddr_timings(struct nand_chip *chip, struct nand_interface_config *iface, struct nand_nvddr_timings *spec_timings); const struct nand_interface_config *nand_get_reset_interface_config(void); int nand_get_features(struct nand_chip *chip, int addr, u8 *subfeature_param); int nand_set_features(struct nand_chip *chip, int addr, u8 *subfeature_param); int nand_read_page_raw_notsupp(struct nand_chip *chip, u8 *buf, int oob_required, int page); int nand_write_page_raw_notsupp(struct nand_chip *chip, const u8 *buf, int oob_required, int page); int nand_read_param_page_op(struct nand_chip *chip, u8 page, void *buf, unsigned int len); void nand_decode_ext_id(struct nand_chip *chip); void panic_nand_wait(struct nand_chip *chip, unsigned long timeo); void sanitize_string(uint8_t *s, size_t len); static inline bool nand_has_exec_op(struct nand_chip *chip) { … } static inline int nand_check_op(struct nand_chip *chip, const struct nand_operation *op) { … } static inline int nand_exec_op(struct nand_chip *chip, const struct nand_operation *op) { … } static inline bool nand_controller_can_setup_interface(struct nand_chip *chip) { … } /* BBT functions */ int nand_markbad_bbt(struct nand_chip *chip, loff_t offs); int nand_isreserved_bbt(struct nand_chip *chip, loff_t offs); int nand_isbad_bbt(struct nand_chip *chip, loff_t offs, int allowbbt); /* Legacy */ void nand_legacy_set_defaults(struct nand_chip *chip); void nand_legacy_adjust_cmdfunc(struct nand_chip *chip); int nand_legacy_check_hooks(struct nand_chip *chip); /* ONFI functions */ u16 onfi_crc16(u16 crc, u8 const *p, size_t len); int nand_onfi_detect(struct nand_chip *chip); /* JEDEC functions */ int nand_jedec_detect(struct nand_chip *chip); #endif /* __LINUX_RAWNAND_INTERNALS */
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