rt-thread/bsp/phytium/libraries/standalone/drivers/spi/fspim/fspim.h

/*
 * Copyright : (C) 2022 Phytium Information Technology, Inc.
 * All Rights Reserved.
 *
 * This program is OPEN SOURCE software: you can redistribute it and/or modify it
 * under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
 * either version 1.0 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the Phytium Public License for more details.
 *
 *
 * FilePath: fspim.h
 * Date: 2022-02-10 14:53:42
 * LastEditTime: 2022-02-18 09:08:38
 * Description:  This files is for
 *
 * Modify History:
 *  Ver   Who        Date         Changes
 * ----- ------     --------    --------------------------------------
 * 1.0   zhugengyu  2021-12-3   init commit
 * 1.1   zhugengyu  2022-4-15   support test mode
 * 1.2   zhugengyu  2022-5-13   support spi dma
 */


#ifndef  DRIVERS_FSPI_M_H
#define  DRIVERS_FSPI_M_H

#ifdef __cplusplus
extern "C"
{
#endif

/***************************** Include Files *********************************/

#include "ftypes.h"
#include "ferror_code.h"
#include "fassert.h"
#include "sdkconfig.h"

/************************** Constant Definitions *****************************/

#define FSPIM_SUCCESS           FT_SUCCESS
#define FSPIM_ERR_INVAL_STATE   FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 0)
#define FSPIM_ERR_NOT_READY     FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 1)
#define FSPIM_ERR_INVAL_PARAM   FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 2)
#define FSPIM_ERR_BUS_BUSY      FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 3)
#define FSPIM_ERR_NOT_SUPPORT   FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 4)
#define FSPIM_ERR_TIMEOUT       FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 5)
#define FSPIM_ERR_TRANS_FAIL    FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 6)
#define FSPIM_ERR_DMA_INIT      FT_MAKE_ERRCODE(ErrModBsp, ErrBspSpi, 6)

#if defined(CONFIG_TARGET_F2000_4) || defined(CONFIG_TARGET_D2000)
#define FSPIM_VERSION_1 /* 用于FT2000/4和D2000平台的SPIM */
#elif defined(CONFIG_TARGET_E2000)
#define FSPIM_VERSION_2 /* 用于E2000平台的SPIM */
#else
#error "Invalid target board !!!"
#endif

/* add up new error code above and plust FSPIM_ERR_CODE_MAX by ONE*/
#define FSPIM_ERR_CODE_PREFIX  FSPIM_ERR_TRANS_FAIL & (FT_ERRCODE_SYS_MODULE_MASK | FT_ERRCODE_SUB_MODULE_MASK)
#define FSPIM_NUM_OF_ERR_CODE  8

typedef enum
{
    FSPIM_SLAVE_DEV_0 = 0,
    FSPIM_SLAVE_DEV_1,
    FSPIM_SLAVE_DEV_2,
    FSPIM_SLAVE_DEV_3,

    FSPIM_NUM_OF_SLAVE_DEV
} FSpimSlaveDevice;

typedef enum
{
    FSPIM_1_BYTE = 1,
    FSPIM_2_BYTE = 2,

    FSPIM_MAX_BYTES_NUM
} FSpimTransByte;

typedef enum
{
    FSPIM_TRANS_MODE_RX_TX = 0x0,
    FSPIM_TRANS_MODE_TX_ONLY = 0x1,
    FSPIM_TRANS_MODE_RX_ONLY = 0x2,
    FSPIM_TRANS_MODE_READ_EEPROM = 0x3,

    FSPIM_TRANS_MODE_MAX
} FSpimTransMode;

/*
    CPOL = 0, CPHA = 0, sample at the first rising edge
    CPOL = 1, CPHA = 1, sample at the second rising edge
    CPOL = 1, CPHA = 0, sample at the second falling edge
    CPOL = 0, CPHA = 1, sample at the first falling edge
*/

typedef enum
{
    FSPIM_CPOL_LOW  = 0, /* pharse 0 CPOL=0 */
    FSPIM_CPOL_HIGH /* pharse 1 CPOL=1 */
} FSpimCpolType;

typedef enum
{
    FSPIM_CPHA_1_EDGE = 0, /* sample at the 1st edge, CPHA=0 */
    FSPIM_CPHA_2_EDGE /* sample at the 2nd edge, CPHA=1 */
} FSpimCphaType;

typedef enum
{
    FSPIM_INTR_EVT_RX_DONE = 0, /* 接收完成事件 */
    FSPIM_INTR_EVT_TX_OVERFLOW, /* 发送FIFO上溢事件 */
    FSPIM_INTR_EVT_RX_UNDERFLOW, /* 接收FIFO下溢事件 */
    FSPIM_INTR_EVT_RX_OVERFLOW, /* 接收FIFO上溢事件 */

    FSPIM_INTR_EVT_NUM
} FSpimIntrEvtType;

/**************************** Type Definitions *******************************/

/**
 * This typedef contains configuration information for the device.
 */
typedef struct
{
    u32                  instance_id;  /* Device instance id */
    uintptr              base_addr;    /* Device base address */
    u32                  irq_num;      /* Device intrrupt id */
    u32                  irq_prority;  /* Device intrrupt priority */
    FSpimSlaveDevice     slave_dev_id; /* Slave device id */
    u32                  max_freq_hz;  /* Clock frequency in Hz */
    FSpimTransByte       n_bytes;      /* Bytes in transfer */
    FSpimCpolType        cpol;         /* Polarity of the clock */
    FSpimCphaType        cpha;         /* Phase of the clock */
    boolean              en_test;      /* Enable test mode */
    boolean              en_dma;       /* Enable DMA */
} FSpimConfig;

typedef void (*FSpimEvtHandler)(void *instance_p, void *param);

/**
 * This typedef contains driver instance data. The user is required to allocate a
 * variable of this type for every device in the system. A pointer
 * to a variable of this type is then passed to the driver API functions.
 */
typedef struct
{
    FSpimConfig         config;      /* Current active configs */
    u32                 is_ready;    /* Device is initialized and ready */
    u32                 length;      /* Data length in transfer */
    const void          *tx_buff;    /* Tx buffer beg */
    void                *rx_buff;    /* Rx buffer beg */
    const void          *tx_buff_end; /* Tx buffer end */
    void                *rx_buff_end; /* Rx buffer end */
    u32                 tx_fifo_len;  /* Depth of tx fifo */
    u32                 rx_fifo_len;  /* Depth of rx fifo */
    FSpimEvtHandler     evt_handler[FSPIM_INTR_EVT_NUM];  /* event handler for interrupt */
    void                *evt_param[FSPIM_INTR_EVT_NUM];   /* parameters ptr of event handler */
} FSpim;

/************************** Variable Definitions *****************************/

/***************** Macros (Inline Functions) Definitions *********************/

/************************** Function Prototypes ******************************/
/* fspim_sinit.c */
/* 获取FSPIM驱动的默认配置参数 */
const FSpimConfig *FSpimLookupConfig(u32 instance_id);

/* fspim.c */
/* 完成FSPIM驱动实例的初始化，使之可以使用*/
FError FSpimCfgInitialize(FSpim *instance_p, const FSpimConfig *cofig_p);

/* 完成I2C驱动实例去使能，清零实例数据 */
void FSpimDeInitialize(FSpim *instance_p);

/* 先发送后接收数据 (阻塞处理)，利用Fifo进行处理 */
FError FSpimTransferPollFifo(FSpim *instance_p, const void *tx_buf, void *rx_buf, fsize_t len);

#ifdef FSPIM_VERSION_2 /* E2000 */
/* 启动SPIM DMA数据传输 */
FError FSpimTransferDMA(FSpim *instance_p, boolean tx, boolean rx);

/* 设置片选信号 */
void FSpimSetChipSelection(FSpim *instance_p, boolean on);
#endif

/* 获取FSPIM模块错误码对应的错误信息 */
const char *FSpimErrorToMessage(FError error);

/* fspim_intr.c */
/* 先发送后接收数据 (中断处理)，利用Fifo进行处理  */
FError FSpimTransferByInterrupt(FSpim *instance_p, const void *tx_buf, void *rx_buf, fsize_t len);

/* SPIM中断处理函数 */
void FSpimInterruptHandler(s32 vector, void *param);

/* 注册FSPIM中断事件处理函数 */
void FSpimRegisterIntrruptHandler(FSpim *instance_p, FSpimIntrEvtType evt, FSpimEvtHandler handler, void *param);

/* 打印SPIM控制寄存器信息 */
void FSpimDumpRegister(uintptr base_addr);

#ifdef __cplusplus
}
#endif


#endif