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/*******************************************************************************
* @file		flash.h
* @brief	Contains all functions support for flash driver
* @version	0.0
* @date		27. Nov. 2017
* @author	qing.han
* 
* Copyright(C) 2016, PhyPlus Semiconductor
* All rights reserved.
*
*******************************************************************************/
#ifndef _FLASH_H_
#define _FLASH_H_

#include "types.h"
#include "gpio.h"



//define flash ucds
#define FLASH_UCDS_ADDR_BASE    0x11005000

#define SPIF_CONFIG_BASE        0x11080000
#define SPIF_RLEN               (SPIF_CONFIG_BASE+0x88)  
#define RFIFO_DEPTH             (SPIF_CONFIG_BASE+0x84)

// commands defines
#define PAGE_PROGRAM_CMD        0x2
#define FAST_PROGRAM_CMD        0xF2

#define WRITE_ENABLE_CMD        0x6
#define WRITE_DISABLE_CMD       0x4

#define READ_STATUS_CMD         0x5
#define WRITE_STATUS_CMD        0x1

#define SECT_ERASE_CMD          0x20
#define BLOCK32_ERASE_CMD       0x52
#define BLOCK64_ERASE_CMD       0xD8
#define CHIP_ERASE_CMD          0xC7

#define DEEP_DOWN_CMD           0xB9
#define RELEASE_DOWN_CMD        0xAB
#define MANUF_ID_CMD            0x90
#define READ_ID_CMD             0x9F

#define FAST_READ_CMD           0x0B
#define READ_DATA_CMD           0x3

#define WAIT_FOR_SPIF()         {while(!( (*(volatile uint32_t *)(SPIF_CONFIG_BASE+0x90)) & 0x4)) ;}

#define CHIP_ID_LENGTH          64
#define CHIP_ID_PID_LEN         16
#define CHIP_ID_LID_LEN         10
#define CHIP_ID_MID_LEN         16
#define CHIP_ID_TID_LEN         14
#define CHIP_ID_SID_LEN         8

#define CHIP_MADDR_LEN          6

typedef enum{
    CHIP_ID_UNCHECK,
    CHIP_ID_EMPTY,
    CHIP_ID_VALID,
    CHIP_ID_INVALID,
}CHIP_ID_STATUS_e;

typedef struct{
  CHIP_ID_STATUS_e chipIdStatus;
  uint8_t pid[CHIP_ID_PID_LEN];
  uint8_t lid[CHIP_ID_LID_LEN];
  uint8_t mid[CHIP_ID_MID_LEN];
  uint8_t tid[CHIP_ID_TID_LEN];
  uint8_t sid[CHIP_ID_SID_LEN];
}chipId_t;

typedef struct{
  CHIP_ID_STATUS_e chipMAddrStatus;
  uint8_t mAddr[CHIP_MADDR_LEN];
}chipMAddr_t;

  
extern chipId_t g_chipId;
extern chipMAddr_t g_chipMAddr;

void init_spif(void);
void close_spif(void);

void  read_deviceID(void);

int  read_status_register(void);
void write_status_register(int value);


void flash_block64_erase(unsigned int addr);
void flash_sector_erase(unsigned int addr);

int ProgramPage4 (unsigned long offset, uint32 data);
int ProgramPage64 (unsigned long offset, const unsigned char *buf,  int size);

int ProgramWord (unsigned long offset, const unsigned char *buf,uint8_t size) ;

int WriteFlash(unsigned int offset, uint32_t  value);
int WriteFlashShort(unsigned int offset, uint16_t  value);

uint8_t ReadFlash (unsigned int addr);
uint32_t ReadFlashWord (unsigned int addr);

uint8_t flash_write_ucds(uint32_t addr,uint32_t value);
uint32_t flash_read_ucds(uint32_t addr);
void flash_erase_ucds_all(void);
uint8_t flash_erase_ucds(uint32_t addr);
uint8_t flash_write_ucds_block(uint32_t addr,uint32_t length,uint32_t *buf);
uint8_t flash_read_ucds_block(uint32_t addr,uint32_t length,uint32_t *tobuf);
uint8_t flash_write_ucds_block_byte(uint32_t addr,uint32_t length,uint8_t *buf);
uint8_t flash_read_ucds_block_byte(uint32_t addr,uint32_t length,uint8_t *tobuf);


void check_chip_id(void);
void check_chip_mAddr(void);
void LOG_CHIP_ID(void);
void LOG_CHIP_MADDR(void);

/*******************************************************************************
 * @fn          pplus_enter_programming_mode
 *
 * @brief       force deive enter to programing mode.
 *
 * input parameters
 *
 * @param       none.
 *
 * output parameters
 *
 * @param       none.
 *
 * @return      none.
 */
void pplus_enter_programming_mode(void);


/*******************************************************************************
 * @fn          pplus_LoadMACFromChipMAddr
 *
 * @brief       Used to load MAC Address from chip Maddr
 *
 * input parameters
 *
 * @param       None.
 *
 * output parameters
 *
 * @param       None.
 *
 * @return      CHIP_ID_STATUS_e.
 */
extern CHIP_ID_STATUS_e pplus_LoadMACFromChipMAddr(void);

#endif