9e6d012535
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2016 bbd45198-f89e-11dd-88c7-29a3b14d5316
104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/*
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* File : mtd.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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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 <rtdevice.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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struct rt_mtd_nand_device
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{
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struct rt_device parent;
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rt_uint32_t page_size; /* The Page size in the flash */
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rt_uint32_t block_size; /* The Block size in the flash */
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rt_uint16_t oob_size; /* Out of bank size */
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rt_uint16_t reserve;
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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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};
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struct rt_mtd_nand_driver_ops
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{
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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,
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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,
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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 (*erase_block)(struct rt_mtd_nand_device* device, rt_uint32_t block);
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rt_err_t (*check_block)(struct rt_mtd_nand_device* device, rt_uint32_t block);
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rt_err_t (*mark_badblock)(struct rt_mtd_nand_device* device, rt_uint32_t block);
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};
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rt_err_t rt_mtd_nand_register_device(const char* name, struct rt_mtd_nand_device* device);
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rt_inline rt_uint32_t rt_mtd_nand_read_id(struct rt_mtd_nand_device* device)
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{
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return device->ops->read_id(device);
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}
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rt_inline rt_err_t rt_mtd_nand_read(
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struct rt_mtd_nand_device* device,
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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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{
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return device->ops->read_page(device, page, data, data_len, spare, spare_len);
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}
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rt_inline rt_err_t rt_mtd_nand_write(
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struct rt_mtd_nand_device* device,
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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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{
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return device->ops->write_page(device, page, data, data_len, spare, spare_len);
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}
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rt_inline rt_err_t rt_mtd_nand_erase_block(struct rt_mtd_nand_device* device, rt_uint32_t block)
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{
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return device->ops->erase_block(device, block);
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}
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rt_inline rt_err_t rt_mtd_nand_check_block(struct rt_mtd_nand_device* device, rt_uint32_t block)
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{
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return device->ops->check_block(device, block);
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}
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rt_inline rt_err_t rt_mtd_nand_mark_badblock(struct rt_mtd_nand_device* device, rt_uint32_t block)
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{
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return device->ops->mark_badblock(device, block);
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}
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#endif /* MTD_NAND_H_ */
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