/**
  **************************************************************************
  * @file     at32a423_xmc.h
  * @brief    at32a423 xmc header file
  **************************************************************************
  *                       Copyright notice & Disclaimer
  *
  * The software Board Support Package (BSP) that is made available to
  * download from Artery official website is the copyrighted work of Artery.
  * Artery authorizes customers to use, copy, and distribute the BSP
  * software and its related documentation for the purpose of design and
  * development in conjunction with Artery microcontrollers. Use of the
  * software is governed by this copyright notice and the following disclaimer.
  *
  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
  *
  **************************************************************************
  */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32A423_XMC_H
#define __AT32A423_XMC_H

#ifdef __cplusplus
extern "C" {
#endif


/* Includes ------------------------------------------------------------------*/
#include "at32a423.h"

/** @addtogroup AT32A423_periph_driver
  * @{
  */

/** @addtogroup XMC
  * @{
  */

/** @defgroup XMC_exported_types
  * @{
  */

/**
  * @brief xmc data address bus multiplexing type
  */
typedef enum
{
  XMC_DATA_ADDR_MUX_DISABLE              = 0x00000000, /*!< xmc address/data multiplexing disable */
  XMC_DATA_ADDR_MUX_ENABLE               = 0x00000002  /*!< xmc address/data multiplexing enable */
} xmc_data_addr_mux_type;

/**
  * @brief xmc burst access mode type
  */
typedef enum
{
  XMC_BURST_MODE_DISABLE                 = 0x00000000, /*!< xmc burst mode disable */
  XMC_BURST_MODE_ENABLE                  = 0x00000100  /*!< xmc burst mode enable */
} xmc_burst_access_mode_type;

/**
  * @brief xmc asynchronous wait type
  */
typedef enum
{
  XMC_ASYN_WAIT_DISABLE                  = 0x00000000, /*!< xmc wait signal during asynchronous transfers disbale */
  XMC_ASYN_WAIT_ENABLE                   = 0x00008000  /*!< xmc wait signal during asynchronous transfers enable */
} xmc_asyn_wait_type;

/**
  * @brief xmc wrapped mode type
  */
typedef enum
{
  XMC_WRAPPED_MODE_DISABLE               = 0x00000000, /*!< xmc direct wrapped burst is disbale */
  XMC_WRAPPED_MODE_ENABLE                = 0x00000400  /*!< xmc direct wrapped burst is enable */
} xmc_wrap_mode_type;

/**
  * @brief xmc write operation type
  */
typedef enum
{
  XMC_WRITE_OPERATION_DISABLE            = 0x00000000, /*!< xmc write operations is disable */
  XMC_WRITE_OPERATION_ENABLE             = 0x00001000  /*!< xmc write operations is enable */
} xmc_write_operation_type;

/**
  * @brief xmc wait signal type
  */
typedef enum
{
  XMC_WAIT_SIGNAL_DISABLE                = 0x00000000, /*!< xmc nwait signal is disable */
  XMC_WAIT_SIGNAL_ENABLE                 = 0x00002000  /*!< xmc nwait signal is enable */
} xmc_wait_signal_type;

/**
  * @brief xmc write burst type
  */
typedef enum
{
  XMC_WRITE_BURST_SYN_DISABLE            = 0x00000000, /*!< xmc write operations are always performed in asynchronous mode */
  XMC_WRITE_BURST_SYN_ENABLE             = 0x00080000  /*!< xmc write operations are performed in synchronous mode */
} xmc_write_burst_type;

/**
  * @brief xmc extended mode type
  */
typedef enum
{
  XMC_WRITE_TIMING_DISABLE               = 0x00000000, /*!< xmc write timing disable */
  XMC_WRITE_TIMING_ENABLE                = 0x00004000  /*!< xmc write timing enable */
} xmc_extended_mode_type;

/**
  * @brief xmc pccard wait type
  */
typedef enum
{
  XMC_WAIT_OPERATION_DISABLE             = 0x00000000, /*!< xmc wait operation for the pc card/nand flash memory bank disable */
  XMC_WAIT_OPERATION_ENABLE              = 0x00000002  /*!< xmc wait operation for the pc card/nand flash memory bank enable */
} xmc_nand_pccard_wait_type;

/**
  * @brief xmc ecc enable type
  */
typedef enum
{
  XMC_ECC_OPERATION_DISABLE              = 0x00000000, /*!< xmc ecc module disable */
  XMC_ECC_OPERATION_ENABLE               = 0x00000040  /*!< xmc ecc module enable */
} xmc_ecc_enable_type;

/**
  * @brief xmc nor/sram subbank type
  */
typedef enum
{
  XMC_BANK1_NOR_SRAM1                    = 0x00000000, /*!< xmc nor/sram subbank1 */
  XMC_BANK1_NOR_SRAM2                    = 0x00000001, /*!< xmc nor/sram subbank2 */
  XMC_BANK1_NOR_SRAM3                    = 0x00000002, /*!< xmc nor/sram subbank3 */
  XMC_BANK1_NOR_SRAM4                    = 0x00000003  /*!< xmc nor/sram subbank4 */
} xmc_nor_sram_subbank_type;

/**
  * @brief xmc memory type
  */
typedef enum
{
  XMC_DEVICE_SRAM                        = 0x00000000, /*!< xmc device choice sram */
  XMC_DEVICE_PSRAM                       = 0x00000004, /*!< xmc device choice psram */
  XMC_DEVICE_NOR                         = 0x00000008  /*!< xmc device choice nor flash */
} xmc_memory_type;

/**
  * @brief xmc data width type
  */
typedef enum
{
  XMC_BUSTYPE_8_BITS                     = 0x00000000, /*!< xmc databuss width 8bits */
  XMC_BUSTYPE_16_BITS                    = 0x00000010  /*!< xmc databuss width 16bits */
} xmc_data_width_type;

/**
  * @brief xmc wait signal polarity type
  */
typedef enum
{
  XMC_WAIT_SIGNAL_LEVEL_LOW              = 0x00000000, /*!< xmc nwait active low */
  XMC_WAIT_SIGNAL_LEVEL_HIGH             = 0x00000200  /*!< xmc nwait active high */
} xmc_wait_signal_polarity_type;

/**
  * @brief xmc wait timing type
  */
typedef enum
{
  XMC_WAIT_SIGNAL_SYN_BEFORE             = 0x00000000, /*!< xmc nwait signal is active one data cycle before wait state */
  XMC_WAIT_SIGNAL_SYN_DURING             = 0x00000800  /*!< xmc nwait signal is active during wait state */
} xmc_wait_timing_type;

/**
  * @brief xmc access mode type
  */
typedef enum
{
  XMC_ACCESS_MODE_A                      = 0x00000000, /*!< xmc access mode A */
  XMC_ACCESS_MODE_B                      = 0x10000000, /*!< xmc access mode B */
  XMC_ACCESS_MODE_C                      = 0x20000000, /*!< xmc access mode C */
  XMC_ACCESS_MODE_D                      = 0x30000000  /*!< xmc access mode D */
} xmc_access_mode_type;

/**
  * @brief   nor/sram banks timing parameters
  */
typedef struct
{
  xmc_nor_sram_subbank_type              subbank;             /*!< xmc nor/sram subbank */
  xmc_extended_mode_type                 write_timing_enable; /*!< xmc nor/sram write timing enable */
  uint32_t                               addr_setup_time;     /*!< xmc nor/sram address setup time */
  uint32_t                               addr_hold_time;      /*!< xmc nor/sram address hold time */
  uint32_t                               data_setup_time;     /*!< xmc nor/sram data setup time */
  uint32_t                               bus_latency_time;    /*!< xmc nor/sram bus latency time */
  uint32_t                               clk_psc;             /*!< xmc nor/sram clock prescale */
  uint32_t                               data_latency_time;   /*!< xmc nor/sram data latency time */
  xmc_access_mode_type                   mode;                /*!< xmc nor/sram access mode */
} xmc_norsram_timing_init_type;

/**
  * @brief  xmc nor/sram init structure definition
  */
typedef struct
{
  xmc_nor_sram_subbank_type              subbank;             /*!< xmc nor/sram subbank */
  xmc_data_addr_mux_type                 data_addr_multiplex; /*!< xmc nor/sram address/data multiplexing enable */
  xmc_memory_type                        device;              /*!< xmc nor/sram memory device */
  xmc_data_width_type                    bus_type;            /*!< xmc nor/sram data bus width */
  xmc_burst_access_mode_type             burst_mode_enable;   /*!< xmc nor/sram burst mode enable */
  xmc_asyn_wait_type                     asynwait_enable;     /*!< xmc nor/sram nwait in asynchronous transfer enable */
  xmc_wait_signal_polarity_type          wait_signal_lv;      /*!< xmc nor/sram nwait polarity */
  xmc_wrap_mode_type                     wrapped_mode_enable; /*!< xmc nor/sram wrapped enable */
  xmc_wait_timing_type                   wait_signal_config;  /*!< xmc nor/sram nwait timing configuration */
  xmc_write_operation_type               write_enable;        /*!< xmc nor/sram write enable */
  xmc_wait_signal_type                   wait_signal_enable;  /*!< xmc nor/sram nwait in synchronous transfer enable */
  xmc_extended_mode_type                 write_timing_enable; /*!< xmc nor/sram read-write timing different */
  xmc_write_burst_type                   write_burst_syn;     /*!< xmc nor/sram memory write mode control */
} xmc_norsram_init_type;

typedef struct
{
  /**
    * @brief xmc bank1 bk1ctrl register, offset:0x00+0x08*(x-1) x= 1...4
    */
  union
  {
    __IO uint32_t bk1ctrl;
    struct
    {
      __IO uint32_t en                   : 1; /* [0] */
      __IO uint32_t admuxen              : 1; /* [1] */
      __IO uint32_t dev                  : 2; /* [3:2] */
      __IO uint32_t extmdbw              : 2; /* [5:4] */
      __IO uint32_t noren                : 1; /* [6] */
      __IO uint32_t reserved1            : 1; /* [7] */
      __IO uint32_t syncben              : 1; /* [8] */
      __IO uint32_t nwpol                : 1; /* [9] */
      __IO uint32_t wrapen               : 1; /* [10] */
      __IO uint32_t nwtcfg               : 1; /* [11] */
      __IO uint32_t wen                  : 1; /* [12] */
      __IO uint32_t nwsen                : 1; /* [13] */
      __IO uint32_t rwtd                 : 1; /* [14] */
      __IO uint32_t nwasen               : 1; /* [15] */
      __IO uint32_t crpgs                : 3; /* [18:16] */
      __IO uint32_t mwmc                 : 1; /* [19] */
      __IO uint32_t reserved2            : 12;/* [31:20] */
    } bk1ctrl_bit;
  };

  /**
    * @brief xmc bank1 bk1tmg register, offset:0x04+0x08*(x-1) x= 1...4
    */
  union
  {
    __IO uint32_t bk1tmg;
    struct
    {
      __IO uint32_t addrst               : 4; /* [3:0] */
      __IO uint32_t addrht               : 4; /* [7:4] */
      __IO uint32_t dtst                 : 8; /* [15:8] */
      __IO uint32_t buslat               : 4; /* [19:16] */
      __IO uint32_t clkpsc               : 4; /* [23:20] */
      __IO uint32_t dtlat                : 4; /* [27:24] */
      __IO uint32_t asyncm               : 2; /* [29:28] */
      __IO uint32_t reserved1            : 2; /* [31:30] */
    } bk1tmg_bit;
  };

} xmc_bank1_ctrl_tmg_reg_type;

typedef struct
{
  /**
    * @brief xmc bank1 bk1tmgwr register, offset:0x104+0x08*(x-1) x= 1...4
    */
  union
  {
    __IO uint32_t bk1tmgwr;
    struct
    {
      __IO uint32_t addrst               : 4; /* [3:0] */
      __IO uint32_t addrht               : 4; /* [7:4] */
      __IO uint32_t dtst                 : 8; /* [15:8] */
      __IO uint32_t buslat               : 4; /* [19:16] */
      __IO uint32_t reserved1            : 8; /* [27:20] */
      __IO uint32_t asyncm               : 2; /* [29:28] */
      __IO uint32_t reserved2            : 2; /* [31:30] */
    } bk1tmgwr_bit;
  };

  /**
    * @brief xmc bank1 reserved register
    */
  __IO uint32_t reserved1;

} xmc_bank1_tmgwr_reg_type;

/**
  * @brief xmc bank1 registers
  */
typedef struct
{
  /**
    * @brief xmc bank1 ctrl and tmg register, offset:0x00~0x1C
    */
  xmc_bank1_ctrl_tmg_reg_type ctrl_tmg_group[4];

  /**
    * @brief xmc bank1 reserved register, offset:0x20~0x100
    */
  __IO uint32_t reserved1[57];

 /**
    * @brief xmc bank1 tmgwr register, offset:0x104~0x11C
    */
  xmc_bank1_tmgwr_reg_type tmgwr_group[4];

  /**
    * @brief xmc bank1 reserved register, offset:0x120~0x21C
    */
  __IO uint32_t reserved2[63];

  /**
    * @brief xmc bank1 ext register, offset:0x220~0x22C
    */
  union
  {
    __IO uint32_t ext[4];
    struct
    {
      __IO uint32_t buslatw2w            : 8; /* [7:0] */
      __IO uint32_t buslatr2r            : 8; /* [15:8] */
      __IO uint32_t reserved1            : 16;/* [31:16] */
    } ext_bit[4];
  };

} xmc_bank1_type;

/**
  * @}
  */

#define XMC_BANK1                        ((xmc_bank1_type *) XMC_BANK1_REG_BASE)

/** @defgroup XMC_exported_functions
  * @{
  */

void xmc_nor_sram_reset(xmc_nor_sram_subbank_type xmc_subbank);
void xmc_nor_sram_init(xmc_norsram_init_type* xmc_norsram_init_struct);
void xmc_nor_sram_timing_config(xmc_norsram_timing_init_type* xmc_rw_timing_struct,
                                xmc_norsram_timing_init_type* xmc_w_timing_struct);
void xmc_norsram_default_para_init(xmc_norsram_init_type* xmc_nor_sram_init_struct);
void xmc_norsram_timing_default_para_init(xmc_norsram_timing_init_type* xmc_rw_timing_struct,
                                          xmc_norsram_timing_init_type* xmc_w_timing_struct);
void xmc_nor_sram_enable(xmc_nor_sram_subbank_type xmc_subbank, confirm_state new_state);
void xmc_ext_timing_config(volatile xmc_nor_sram_subbank_type xmc_sub_bank, uint16_t w2w_timing, uint16_t r2r_timing);


/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif