| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * © Copyright 2016 ATMEL |
| * © Copyright 2016 Free Electrons |
| * |
| * Author: Boris Brezillon <boris.brezillon@free-electrons.com> |
| * |
| * Derived from the atmel_nand.c driver which contained the following |
| * copyrights: |
| * |
| * Copyright © 2003 Rick Bronson |
| * |
| * Derived from drivers/mtd/nand/autcpu12.c (removed in v3.8) |
| * Copyright © 2001 Thomas Gleixner (gleixner@autronix.de) |
| * |
| * Derived from drivers/mtd/spia.c (removed in v3.8) |
| * Copyright © 2000 Steven J. Hill (sjhill@cotw.com) |
| * |
| * |
| * Add Hardware ECC support for AT91SAM9260 / AT91SAM9263 |
| * Richard Genoud (richard.genoud@gmail.com), Adeneo Copyright © 2007 |
| * |
| * Derived from Das U-Boot source code |
| * (u-boot-1.1.5/board/atmel/at91sam9263ek/nand.c) |
| * © Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas |
| * |
| * Add Programmable Multibit ECC support for various AT91 SoC |
| * © Copyright 2012 ATMEL, Hong Xu |
| * |
| * Add Nand Flash Controller support for SAMA5 SoC |
| * © Copyright 2013 ATMEL, Josh Wu (josh.wu@atmel.com) |
| */ |
| |
| #ifndef ATMEL_PMECC_H |
| #define ATMEL_PMECC_H |
| |
| #define ATMEL_PMECC_MAXIMIZE_ECC_STRENGTH 0 |
| #define ATMEL_PMECC_SECTOR_SIZE_AUTO 0 |
| #define ATMEL_PMECC_OOBOFFSET_AUTO -1 |
| |
| struct atmel_pmecc_user_req { |
| int pagesize; |
| int oobsize; |
| struct { |
| int strength; |
| int bytes; |
| int sectorsize; |
| int nsectors; |
| int ooboffset; |
| } ecc; |
| }; |
| |
| struct atmel_pmecc *devm_atmel_pmecc_get(struct device *dev); |
| |
| struct atmel_pmecc_user * |
| atmel_pmecc_create_user(struct atmel_pmecc *pmecc, |
| struct atmel_pmecc_user_req *req); |
| void atmel_pmecc_destroy_user(struct atmel_pmecc_user *user); |
| |
| void atmel_pmecc_reset(struct atmel_pmecc *pmecc); |
| int atmel_pmecc_enable(struct atmel_pmecc_user *user, int op); |
| void atmel_pmecc_disable(struct atmel_pmecc_user *user); |
| int atmel_pmecc_wait_rdy(struct atmel_pmecc_user *user); |
| int atmel_pmecc_correct_sector(struct atmel_pmecc_user *user, int sector, |
| void *data, void *ecc); |
| bool atmel_pmecc_correct_erased_chunks(struct atmel_pmecc_user *user); |
| void atmel_pmecc_get_generated_eccbytes(struct atmel_pmecc_user *user, |
| int sector, void *ecc); |
| |
| #endif /* ATMEL_PMECC_H */ |
