| developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
| 2 | /* |
| 3 | * Copyright (C) 2020 MediaTek Inc. All Rights Reserved. |
| 4 | * |
| 5 | * Author: Weijie Gao <weijie.gao@mediatek.com> |
| 6 | */ |
| 7 | |
| 8 | #ifndef _MTK_SNAND_H_ |
| 9 | #define _MTK_SNAND_H_ |
| 10 | |
| 11 | #ifndef PRIVATE_MTK_SNAND_HEADER |
| 12 | #include <stddef.h> |
| 13 | #include <stdint.h> |
| 14 | #include <stdbool.h> |
| 15 | #endif |
| 16 | |
| 17 | enum mtk_snand_soc { |
| 18 | SNAND_SOC_MT7622, |
| 19 | SNAND_SOC_MT7629, |
| 20 | SNAND_SOC_MT7986, |
| 21 | |
| 22 | __SNAND_SOC_MAX |
| 23 | }; |
| 24 | |
| 25 | struct mtk_snand_platdata { |
| 26 | void *nfi_base; |
| 27 | void *ecc_base; |
| 28 | enum mtk_snand_soc soc; |
| 29 | bool quad_spi; |
| 30 | }; |
| 31 | |
| 32 | struct mtk_snand_chip_info { |
| 33 | const char *model; |
| 34 | uint64_t chipsize; |
| 35 | uint32_t blocksize; |
| 36 | uint32_t pagesize; |
| 37 | uint32_t sparesize; |
| 38 | uint32_t spare_per_sector; |
| 39 | uint32_t fdm_size; |
| 40 | uint32_t fdm_ecc_size; |
| 41 | uint32_t num_sectors; |
| 42 | uint32_t sector_size; |
| 43 | uint32_t ecc_strength; |
| 44 | uint32_t ecc_bytes; |
| 45 | }; |
| 46 | |
| 47 | struct mtk_snand; |
| 48 | struct snand_flash_info; |
| 49 | |
| 50 | int mtk_snand_init(void *dev, const struct mtk_snand_platdata *pdata, |
| 51 | struct mtk_snand **psnf); |
| 52 | int mtk_snand_cleanup(struct mtk_snand *snf); |
| 53 | |
| 54 | int mtk_snand_chip_reset(struct mtk_snand *snf); |
| 55 | int mtk_snand_read_page(struct mtk_snand *snf, uint64_t addr, void *buf, |
| 56 | void *oob, bool raw); |
| 57 | int mtk_snand_write_page(struct mtk_snand *snf, uint64_t addr, const void *buf, |
| 58 | const void *oob, bool raw); |
| 59 | int mtk_snand_erase_block(struct mtk_snand *snf, uint64_t addr); |
| 60 | int mtk_snand_block_isbad(struct mtk_snand *snf, uint64_t addr); |
| 61 | int mtk_snand_block_markbad(struct mtk_snand *snf, uint64_t addr); |
| 62 | int mtk_snand_fill_oob(struct mtk_snand *snf, uint8_t *oobraw, |
| 63 | const uint8_t *oobbuf, size_t ooblen); |
| 64 | int mtk_snand_transfer_oob(struct mtk_snand *snf, uint8_t *oobbuf, |
| 65 | size_t ooblen, const uint8_t *oobraw); |
| 66 | int mtk_snand_read_page_auto_oob(struct mtk_snand *snf, uint64_t addr, |
| 67 | void *buf, void *oob, size_t ooblen, |
| 68 | size_t *actualooblen, bool raw); |
| 69 | int mtk_snand_write_page_auto_oob(struct mtk_snand *snf, uint64_t addr, |
| 70 | const void *buf, const void *oob, |
| 71 | size_t ooblen, size_t *actualooblen, |
| 72 | bool raw); |
| 73 | int mtk_snand_get_chip_info(struct mtk_snand *snf, |
| 74 | struct mtk_snand_chip_info *info); |
| 75 | int mtk_snand_irq_process(struct mtk_snand *snf); |
| 76 | |
| 77 | #endif /* _MTK_SNAND_H_ */ |