| Philip Avinash | bf22433 | 2013-01-04 13:26:50 +0530 | [diff] [blame] | 1 | /* |
| 2 | * BCH Error Location Module |
| 3 | * |
| 4 | * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | */ |
| 17 | |
| 18 | #ifndef __ELM_H |
| 19 | #define __ELM_H |
| 20 | |
| 21 | enum bch_ecc { |
| 22 | BCH4_ECC = 0, |
| 23 | BCH8_ECC, |
| pekon gupta | 2be589e | 2014-05-19 13:24:40 +0530 | [diff] [blame] | 24 | BCH16_ECC, |
| Philip Avinash | bf22433 | 2013-01-04 13:26:50 +0530 | [diff] [blame] | 25 | }; |
| 26 | |
| 27 | /* ELM support 8 error syndrome process */ |
| 28 | #define ERROR_VECTOR_MAX 8 |
| 29 | |
| Philip Avinash | bf22433 | 2013-01-04 13:26:50 +0530 | [diff] [blame] | 30 | /** |
| 31 | * struct elm_errorvec - error vector for elm |
| 32 | * @error_reported: set true for vectors error is reported |
| 33 | * @error_uncorrectable: number of uncorrectable errors |
| 34 | * @error_count: number of correctable errors in the sector |
| 35 | * @error_loc: buffer for error location |
| 36 | * |
| 37 | */ |
| 38 | struct elm_errorvec { |
| 39 | bool error_reported; |
| 40 | bool error_uncorrectable; |
| 41 | int error_count; |
| pekon gupta | 2be589e | 2014-05-19 13:24:40 +0530 | [diff] [blame] | 42 | int error_loc[16]; |
| Philip Avinash | bf22433 | 2013-01-04 13:26:50 +0530 | [diff] [blame] | 43 | }; |
| 44 | |
| 45 | void elm_decode_bch_error_page(struct device *dev, u8 *ecc_calc, |
| 46 | struct elm_errorvec *err_vec); |
| Pekon Gupta | 3f4eb14 | 2014-03-20 18:48:34 +0530 | [diff] [blame] | 47 | int elm_config(struct device *dev, enum bch_ecc bch_type, |
| 48 | int ecc_steps, int ecc_step_size, int ecc_syndrome_size); |
| Philip Avinash | bf22433 | 2013-01-04 13:26:50 +0530 | [diff] [blame] | 49 | #endif /* __ELM_H */ |