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110 lines
4.9 KiB
C
110 lines
4.9 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2011-12-05 Bernard the first version
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* 2011-04-02 prife add mark_badblock and check_block
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*/
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/*
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* COPYRIGHT (C) 2012, Shanghai Real Thread
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*/
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#ifndef __MTD_NAND_H__
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#define __MTD_NAND_H__
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#include <rtthread.h>
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struct rt_mtd_nand_driver_ops;
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#define RT_MTD_NAND_DEVICE(device) ((struct rt_mtd_nand_device *)(device))
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#define RT_MTD_EOK 0 /* NO error */
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#define RT_MTD_EECC 101 /* ECC error */
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#define RT_MTD_EBUSY 102 /* hardware busy */
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#define RT_MTD_EIO 103 /* generic IO issue */
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#define RT_MTD_ENOMEM 104 /* out of memory */
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#define RT_MTD_ESRC 105 /* source issue */
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#define RT_MTD_EECC_CORRECT 106 /* ECC error but correct */
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struct rt_mtd_nand_device {
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struct rt_device parent;
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rt_uint16_t page_size; /* The Page size in the flash */
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rt_uint16_t oob_size; /* Out of bank size */
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rt_uint16_t oob_free; /* the free area in oob that flash driver not use */
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rt_uint16_t plane_num; /* the number of plane in the NAND Flash */
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rt_uint32_t pages_per_block; /* The number of page a block */
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rt_uint16_t block_total;
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/* Only be touched by driver */
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rt_uint32_t block_start; /* The start of available block*/
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rt_uint32_t block_end; /* The end of available block */
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/* operations interface */
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const struct rt_mtd_nand_driver_ops *ops;
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void *priv;
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rt_uint8_t attr;
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};
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typedef struct rt_mtd_nand_device *rt_mtd_nand_t;
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struct rt_mtd_nand_driver_ops {
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rt_err_t (*read_id)(struct rt_mtd_nand_device *device);
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rt_err_t (*read_page)(struct rt_mtd_nand_device *device, rt_off_t page,
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rt_uint8_t *data, rt_uint32_t data_len,
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rt_uint8_t *spare, rt_uint32_t spare_len);
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rt_err_t (*write_page)(struct rt_mtd_nand_device *device, rt_off_t page,
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const rt_uint8_t *data, rt_uint32_t data_len,
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const rt_uint8_t *spare, rt_uint32_t spare_len);
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rt_err_t (*move_page)(struct rt_mtd_nand_device *device, rt_off_t src_page,
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rt_off_t dst_page);
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rt_err_t (*erase_block)(struct rt_mtd_nand_device *device,
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rt_uint32_t block);
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rt_err_t (*check_block)(struct rt_mtd_nand_device *device,
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rt_uint32_t block);
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rt_err_t (*mark_badblock)(struct rt_mtd_nand_device *device,
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rt_uint32_t block);
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rt_err_t (*continuous_read)(struct rt_mtd_nand_device *device,
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rt_off_t page, rt_uint8_t *data,
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rt_uint32_t size);
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rt_err_t (*set_block_status)(struct rt_mtd_nand_device *device,
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rt_uint32_t block, rt_uint32_t block_pos,
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rt_uint32_t status);
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rt_uint32_t (*get_block_status)(struct rt_mtd_nand_device *device,
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rt_uint32_t block);
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rt_err_t (*map_user)(struct rt_mtd_nand_device *device, rt_uint8_t *oobbuf, rt_uint8_t *buf, rt_base_t start, rt_base_t nbytes);
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rt_err_t (*unmap_user)(struct rt_mtd_nand_device *device, rt_uint8_t *dst, rt_uint8_t *src, rt_base_t start, rt_base_t nbytes);
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};
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rt_err_t rt_mtd_nand_register_device(const char *name,
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struct rt_mtd_nand_device *device);
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rt_uint32_t rt_mtd_nand_read_id(struct rt_mtd_nand_device *device);
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rt_err_t rt_mtd_nand_read(struct rt_mtd_nand_device *device, rt_off_t page,
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rt_uint8_t *data, rt_uint32_t data_len,
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rt_uint8_t *spare, rt_uint32_t spare_len);
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rt_err_t rt_mtd_nand_write(struct rt_mtd_nand_device *device, rt_off_t page,
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const rt_uint8_t *data, rt_uint32_t data_len,
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const rt_uint8_t *spare, rt_uint32_t spare_len);
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rt_err_t rt_mtd_nand_move_page(struct rt_mtd_nand_device *device,
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rt_off_t src_page, rt_off_t dst_page);
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rt_err_t rt_mtd_nand_erase_block(struct rt_mtd_nand_device *device,
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rt_uint32_t block);
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rt_err_t rt_mtd_nand_check_block(struct rt_mtd_nand_device *device,
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rt_uint32_t block);
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rt_err_t rt_mtd_nand_mark_badblock(struct rt_mtd_nand_device *device,
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rt_uint32_t block);
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rt_err_t rt_mtd_nand_read_cont(struct rt_mtd_nand_device *device, rt_off_t page,
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rt_uint8_t *data, rt_uint32_t data_len);
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rt_err_t rt_mtd_nand_map_user(struct rt_mtd_nand_device *device, rt_uint8_t *oobbuf, rt_uint8_t *buf, rt_base_t start, rt_base_t nbytes);
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rt_err_t rt_mtd_nand_unmap_user(struct rt_mtd_nand_device *device, rt_uint8_t *oobbuf, rt_uint8_t *buf, rt_base_t start, rt_base_t nbytes);
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#endif /* MTD_NAND_H_ */
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