#ifndef PARALLEL_NAND_H
#define PARALLEL_NAND_H

#include "parallel_nand_port.h"

#ifdef __cplusplus
extern "C" {
#endif

#define PNAND_MT29F1G08_PAGE_MAIN       2048UL
#define PNAND_MT29F1G08_PAGE_OOB          64UL
#define PNAND_MT29F1G08_PAGES_PER_BLOCK   64UL
#define PNAND_MT29F1G08_BLOCKS           1024UL
#define PNAND_MT29F1G08_COLUMN_CYCLES       2U
#define PNAND_MT29F1G08_ROW_CYCLES          2U
#define PNAND_MT29F1G08_PAGE_TOTAL \
    (PNAND_MT29F1G08_PAGE_MAIN + PNAND_MT29F1G08_PAGE_OOB)

typedef enum {
    PNAND_OK = 0,
    PNAND_ERROR_ARGUMENT = -1,
    PNAND_ERROR_PORT = -2,
    PNAND_ERROR_TIMEOUT = -3,
    PNAND_ERROR_RANGE = -4,
    PNAND_ERROR_BUFFER = -5
} parallel_nand_result_t;

typedef struct {
    unsigned long page_main_size;
    unsigned long page_oob_size;
    unsigned long pages_per_block;
    unsigned long block_count;
    unsigned int column_cycles;
    unsigned int row_cycles;
    unsigned long ready_timeout_us;
} parallel_nand_geometry_t;

typedef struct {
    const parallel_nand_port_t *port;
    parallel_nand_geometry_t geometry;
} parallel_nand_t;

extern const parallel_nand_geometry_t parallel_nand_mt29f1g08_geometry;

int parallel_nand_init(parallel_nand_t *nand,
                       const parallel_nand_port_t *port,
                       const parallel_nand_geometry_t *geometry);
int parallel_nand_reset(parallel_nand_t *nand);
int parallel_nand_read_status(parallel_nand_t *nand, pnand_octet_t *status);
int parallel_nand_read_id(parallel_nand_t *nand, pnand_octet_t address,
                          pnand_octet_t *id, unsigned int count);
int parallel_nand_read_page(parallel_nand_t *nand, unsigned long page,
                            pnand_octet_t *main_data,
                            unsigned long main_capacity,
                            pnand_octet_t *oob,
                            unsigned long oob_capacity);
int parallel_nand_read_page_slice(parallel_nand_t *nand, unsigned long page,
                                  unsigned long column, pnand_octet_t *out,
                                  unsigned long count);
int parallel_nand_is_bad_block(parallel_nand_t *nand, unsigned long block,
                               int *is_bad);
unsigned long parallel_nand_page_count(const parallel_nand_t *nand);

#ifdef __cplusplus
}
#endif

#endif