nand-ecc-mtk.h (1213B)
1/* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2/* 3 * MTK SDG1 ECC controller 4 * 5 * Copyright (c) 2016 Mediatek 6 * Authors: Xiaolei Li <xiaolei.li@mediatek.com> 7 * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> 8 */ 9 10#ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__ 11#define __DRIVERS_MTD_NAND_MTK_ECC_H__ 12 13#include <linux/types.h> 14 15enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1}; 16enum mtk_ecc_operation {ECC_ENCODE, ECC_DECODE}; 17 18struct device_node; 19struct mtk_ecc; 20 21struct mtk_ecc_stats { 22 u32 corrected; 23 u32 bitflips; 24 u32 failed; 25}; 26 27struct mtk_ecc_config { 28 enum mtk_ecc_operation op; 29 enum mtk_ecc_mode mode; 30 dma_addr_t addr; 31 u32 strength; 32 u32 sectors; 33 u32 len; 34}; 35 36int mtk_ecc_encode(struct mtk_ecc *, struct mtk_ecc_config *, u8 *, u32); 37void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int); 38int mtk_ecc_wait_done(struct mtk_ecc *, enum mtk_ecc_operation); 39int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *); 40void mtk_ecc_disable(struct mtk_ecc *); 41void mtk_ecc_adjust_strength(struct mtk_ecc *ecc, u32 *p); 42unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc); 43 44struct mtk_ecc *of_mtk_ecc_get(struct device_node *); 45void mtk_ecc_release(struct mtk_ecc *); 46 47#endif