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[DeviceDrivers] Add RT_MTD_EECC_CORRECT code in MTD nand.
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@BernardXiong
BernardXiong committed Apr 18, 2016
1 parent 33cda08 commit a3daa62
Showing 1 changed file with 41 additions and 40 deletions.
81 changes: 41 additions & 40 deletions components/drivers/include/drivers/mtd_nand.h
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Expand Up @@ -33,98 +33,99 @@
#include <rtdevice.h>

struct rt_mtd_nand_driver_ops;
#define RT_MTD_NAND_DEVICE(device) ((struct rt_mtd_nand_device*)(device))
#define RT_MTD_NAND_DEVICE(device) ((struct rt_mtd_nand_device*)(device))

#define RT_MTD_EOK 0 /* NO error */
#define RT_MTD_EECC 1 /* ECC error */
#define RT_MTD_EBUSY 2 /* hardware busy */
#define RT_MTD_EIO 3 /* generic IO issue */
#define RT_MTD_ENOMEM 4 /* out of memory */
#define RT_MTD_ESRC 5 /* source issue */
#define RT_MTD_EOK 0 /* NO error */
#define RT_MTD_EECC 1 /* ECC error */
#define RT_MTD_EBUSY 2 /* hardware busy */
#define RT_MTD_EIO 3 /* generic IO issue */
#define RT_MTD_ENOMEM 4 /* out of memory */
#define RT_MTD_ESRC 5 /* source issue */
#define RT_MTD_EECC_CORRECT 6 /* ECC error but correct */

struct rt_mtd_nand_device
{
struct rt_device parent;
struct rt_device parent;

rt_uint16_t page_size; /* The Page size in the flash */
rt_uint16_t oob_size; /* Out of bank size */
rt_uint16_t oob_free; /* the free area in oob that flash driver not use */
rt_uint16_t plane_num; /* the number of plane in the NAND Flash */
rt_uint16_t page_size; /* The Page size in the flash */
rt_uint16_t oob_size; /* Out of bank size */
rt_uint16_t oob_free; /* the free area in oob that flash driver not use */
rt_uint16_t plane_num; /* the number of plane in the NAND Flash */

rt_uint32_t pages_per_block; /* The number of page a block */
rt_uint32_t pages_per_block; /* The number of page a block */
rt_uint16_t block_total;

rt_uint32_t block_start; /* The start of available block*/
rt_uint32_t block_end; /* The end of available block */
rt_uint32_t block_start; /* The start of available block*/
rt_uint32_t block_end; /* The end of available block */

/* operations interface */
const struct rt_mtd_nand_driver_ops* ops;
/* operations interface */
const struct rt_mtd_nand_driver_ops* ops;
};

struct rt_mtd_nand_driver_ops
{
rt_err_t (*read_id) (struct rt_mtd_nand_device* device);
rt_err_t (*read_id) (struct rt_mtd_nand_device* device);

rt_err_t (*read_page)(struct rt_mtd_nand_device* device,
rt_err_t (*read_page)(struct rt_mtd_nand_device* device,
rt_off_t page,
rt_uint8_t* data, rt_uint32_t data_len,
rt_uint8_t * spare, rt_uint32_t spare_len);

rt_err_t (*write_page)(struct rt_mtd_nand_device * device,
rt_err_t (*write_page)(struct rt_mtd_nand_device * device,
rt_off_t page,
const rt_uint8_t * data, rt_uint32_t data_len,
const rt_uint8_t * spare, rt_uint32_t spare_len);
rt_err_t (*move_page) (struct rt_mtd_nand_device *device, rt_off_t src_page, rt_off_t dst_page);
rt_err_t (*move_page) (struct rt_mtd_nand_device *device, rt_off_t src_page, rt_off_t dst_page);

rt_err_t (*erase_block)(struct rt_mtd_nand_device* device, rt_uint32_t block);
rt_err_t (*check_block)(struct rt_mtd_nand_device* device, rt_uint32_t block);
rt_err_t (*mark_badblock)(struct rt_mtd_nand_device* device, rt_uint32_t block);
rt_err_t (*erase_block)(struct rt_mtd_nand_device* device, rt_uint32_t block);
rt_err_t (*check_block)(struct rt_mtd_nand_device* device, rt_uint32_t block);
rt_err_t (*mark_badblock)(struct rt_mtd_nand_device* device, rt_uint32_t block);
};

rt_err_t rt_mtd_nand_register_device(const char* name, struct rt_mtd_nand_device* device);

rt_inline rt_uint32_t rt_mtd_nand_read_id(struct rt_mtd_nand_device* device)
{
return device->ops->read_id(device);
return device->ops->read_id(device);
}

rt_inline rt_err_t rt_mtd_nand_read(
struct rt_mtd_nand_device* device,
rt_off_t page,
rt_uint8_t* data, rt_uint32_t data_len,
rt_uint8_t * spare, rt_uint32_t spare_len)
struct rt_mtd_nand_device* device,
rt_off_t page,
rt_uint8_t* data, rt_uint32_t data_len,
rt_uint8_t * spare, rt_uint32_t spare_len)
{
return device->ops->read_page(device, page, data, data_len, spare, spare_len);
return device->ops->read_page(device, page, data, data_len, spare, spare_len);
}

rt_inline rt_err_t rt_mtd_nand_write(
struct rt_mtd_nand_device* device,
rt_off_t page,
const rt_uint8_t* data, rt_uint32_t data_len,
const rt_uint8_t * spare, rt_uint32_t spare_len)
struct rt_mtd_nand_device* device,
rt_off_t page,
const rt_uint8_t* data, rt_uint32_t data_len,
const rt_uint8_t * spare, rt_uint32_t spare_len)
{
return device->ops->write_page(device, page, data, data_len, spare, spare_len);
return device->ops->write_page(device, page, data, data_len, spare, spare_len);
}

rt_inline rt_err_t rt_mtd_nand_move_page(struct rt_mtd_nand_device* device,
rt_off_t src_page, rt_off_t dst_page)
rt_off_t src_page, rt_off_t dst_page)
{
return device->ops->move_page(device, src_page, dst_page);
return device->ops->move_page(device, src_page, dst_page);
}

rt_inline rt_err_t rt_mtd_nand_erase_block(struct rt_mtd_nand_device* device, rt_uint32_t block)
{
return device->ops->erase_block(device, block);
return device->ops->erase_block(device, block);
}

rt_inline rt_err_t rt_mtd_nand_check_block(struct rt_mtd_nand_device* device, rt_uint32_t block)
{
return device->ops->check_block(device, block);
return device->ops->check_block(device, block);
}

rt_inline rt_err_t rt_mtd_nand_mark_badblock(struct rt_mtd_nand_device* device, rt_uint32_t block)
{
return device->ops->mark_badblock(device, block);
return device->ops->mark_badblock(device, block);
}

#endif /* MTD_NAND_H_ */

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