| Jorge Ramirez-Ortiz | 1d6b1e4 | 2016-06-14 11:50:51 -0400 | [diff] [blame] | 1 | /* |
| 2 | * MTK SDG1 ECC controller |
| 3 | * |
| 4 | * Copyright (c) 2016 Mediatek |
| 5 | * Authors: Xiaolei Li <xiaolei.li@mediatek.com> |
| 6 | * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License version 2 as published |
| 9 | * by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__ |
| 13 | #define __DRIVERS_MTD_NAND_MTK_ECC_H__ |
| 14 | |
| 15 | #include <linux/types.h> |
| 16 | |
| Jorge Ramirez-Ortiz | 1d6b1e4 | 2016-06-14 11:50:51 -0400 | [diff] [blame] | 17 | enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1}; |
| 18 | enum mtk_ecc_operation {ECC_ENCODE, ECC_DECODE}; |
| 19 | |
| 20 | struct device_node; |
| 21 | struct mtk_ecc; |
| 22 | |
| 23 | struct mtk_ecc_stats { |
| 24 | u32 corrected; |
| 25 | u32 bitflips; |
| 26 | u32 failed; |
| 27 | }; |
| 28 | |
| 29 | struct mtk_ecc_config { |
| 30 | enum mtk_ecc_operation op; |
| 31 | enum mtk_ecc_mode mode; |
| 32 | dma_addr_t addr; |
| 33 | u32 strength; |
| 34 | u32 sectors; |
| 35 | u32 len; |
| 36 | }; |
| 37 | |
| 38 | int mtk_ecc_encode(struct mtk_ecc *, struct mtk_ecc_config *, u8 *, u32); |
| 39 | void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int); |
| 40 | int mtk_ecc_wait_done(struct mtk_ecc *, enum mtk_ecc_operation); |
| 41 | int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *); |
| 42 | void mtk_ecc_disable(struct mtk_ecc *); |
| Xiaolei Li | 7ec4a37 | 2017-05-31 16:26:40 +0800 | [diff] [blame] | 43 | void mtk_ecc_adjust_strength(struct mtk_ecc *ecc, u32 *p); |
| RogerCC Lin | b45ee55 | 2017-11-30 22:10:44 +0800 | [diff] [blame] | 44 | unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc); |
| Jorge Ramirez-Ortiz | 1d6b1e4 | 2016-06-14 11:50:51 -0400 | [diff] [blame] | 45 | |
| 46 | struct mtk_ecc *of_mtk_ecc_get(struct device_node *); |
| 47 | void mtk_ecc_release(struct mtk_ecc *); |
| 48 | |
| 49 | #endif |