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/*
* 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: fgpio.h
* Date: 2022-02-10 14:53:42
* LastEditTime: 2022-02-18 08:25:35
* Description:  This files is for GPIO user API definition
*
* Modify History:
* Ver   Who        Date         Changes
* ----- ------     --------    --------------------------------------
* 1.0 zhugengyu 2022/3/1 init commit
* 2.0 zhugengyu 2022/7/1 support e2000
*/
#ifndef FGPIO_H
#define FGPIO_H
#include "fparameters.h"
#include "ftypes.h"
#include "fassert.h"
#include "ferror_code.h"
#ifdef __cplusplus
extern "C"
{
#endif
/************************** Constant Definitions *****************************/
#define FGPIO_SUCCESS FT_SUCCESS
#define FGPIO_ERR_INVALID_PARA FT_MAKE_ERRCODE(ErrModBsp, ErrBspGpio, 0x0)
#define FGPIO_ERR_INVALID_STATE FT_MAKE_ERRCODE(ErrModBsp, ErrBspGpio, 0x1)
#define FGPIO_ERR_NOT_INIT FT_MAKE_ERRCODE(ErrModBsp, ErrBspGpio, 0x2)
#define FGPIO_ERR_ALREADY_INIT FT_MAKE_ERRCODE(ErrModBsp, ErrBspGpio, 0x3)
typedef enum
{
FGPIO_PORT_A = 0,
#if defined(FGPIO_PORT_A_B_TYPE)
FGPIO_PORT_B,
#endif
FGPIO_PORT_NUM
} FGpioPortIndex; /* GPIO引脚所在的组 */
typedef enum
{
FGPIO_PIN_0 = 0,
FGPIO_PIN_1,
FGPIO_PIN_2,
FGPIO_PIN_3,
FGPIO_PIN_4,
FGPIO_PIN_5,
FGPIO_PIN_6,
FGPIO_PIN_7,
#if !defined (FGPIO_PORT_A_B_TYPE)
FGPIO_PIN_8,
FGPIO_PIN_9,
FGPIO_PIN_10,
FGPIO_PIN_11,
FGPIO_PIN_12,
FGPIO_PIN_13,
FGPIO_PIN_14,
FGPIO_PIN_15,
#endif
FGPIO_PIN_NUM
} FGpioPinIndex; /* GPIO引脚号 */
typedef enum
{
FGPIO_DIR_INPUT = 0, /* 输入 */
FGPIO_DIR_OUTPUT /* 输出 */
} FGpioDirection; /* GPIO引脚的输入输出方向 */
typedef enum
{
FGPIO_IRQ_TYPE_EDGE_FALLING = 0, /* 下降沿中断,引脚检测到电平从高变低时触发 */
FGPIO_IRQ_TYPE_EDGE_RISING, /* 上升沿中断,引脚检测到电平从低变高时触发 */
FGPIO_IRQ_TYPE_LEVEL_LOW, /* 低电平中断,引脚电平为低时触发 */
FGPIO_IRQ_TYPE_LEVEL_HIGH /* 高电平中断,引脚电平为高时触发 */
} FGpioIrqType; /* GPIO引脚中断类型 */
typedef enum
{
FGPIO_IRQ_NOT_SUPPORT = 0, /* 不支持引脚中断 */
FGPIO_IRQ_BY_CONTROLLER, /* 引脚中断控制器合并上报 */
FGPIO_IRQ_BY_PIN /* 引脚中断单独上报 */
} FGpioIrqSourceType;
typedef enum
{
FGPIO_PIN_LOW = 0, /* 低电平 */
FGPIO_PIN_HIGH /* 高电平 */
} FGpioPinVal; /* GPIO引脚电平类型 */
/**************************** Type Definitions *******************************/
typedef struct _FGpioPin FGpioPin;
typedef struct _FGpio FGpio;
typedef struct
{
u32 instance_id; /* GPIO实例ID */
uintptr base_addr; /* GPIO控制器基地址 */
u32 irq_num[FGPIO_PIN_NUM]; /* GPIO各引脚的中断号,如果是控制器中断,则数组所有值一致 */
u32 irq_priority; /* 中断优先级 */
u32 caps;
} FGpioConfig; /* GPIO控制器配置 */
typedef struct
{
u32 ctrl; /* GPIO控制器号 */
FGpioPortIndex port; /* GPIO引脚所在的组 */
FGpioPinIndex pin; /* GPIO引脚号 */
} FGpioPinId; /* GPIO引脚索引 */
typedef void (*FGpioInterruptCallback)(s32 vector, void *param); /* GPIO引脚中断回调函数类型 */
typedef struct _FGpioPin
{
FGpioPinId index; /* 索引 */
u32 is_ready;
FGpio *instance;
FGpioInterruptCallback irq_cb; /* 中断回调函数, Port-A有效 */
void *irq_cb_params; /* 中断回调函数的入参, Port-A有效 */
boolean irq_one_time; /* Port-A有效, TRUE: 进入中断后关闭该引脚的中断,用于电平敏感中断,防止一直进入中断 */
} FGpioPin; /* GPIO引脚实例 */
typedef struct _FGpio
{
FGpioConfig config;
u32 is_ready;
FGpioPin *pins[FGPIO_PORT_NUM][FGPIO_PIN_NUM];
} FGpio; /* GPIO控制器实例 */
/************************** Variable Definitions *****************************/
/***************** Macros (Inline Functions) Definitions *********************/
/* 生成GPIO引脚索引 */
#define FGPIO_PIN(port, pin) \
(FGpioPinId) { \
(port), (pin) \
}
/************************** Function Prototypes ******************************/
/* 获取GPIO控制器的默认配置 */
const FGpioConfig *FGpioLookupConfig(u32 instance_id);
/* 初始化GPIO控制器实例 */
FError FGpioCfgInitialize(FGpio *const instance, const FGpioConfig *const config);
/* 初始化GPIO引脚实例 */
FError FGpioPinInitialize(FGpio *const instance, FGpioPin *const pin,
const FGpioPinId pin_id);
/* 去初始化GPIO引脚实例 */
void FGpioPinDeInitialize(FGpioPin *const pin);
/* 获取引脚中断的上报方式 */
FGpioIrqSourceType FGpioGetPinIrqSourceType(FGpioPin pin_id);
/* 去初始化GPIO控制器实例 */
void FGpioDeInitialize(FGpio *const instance);
/* 设置GPIO引脚的输入输出方向 */
void FGpioSetDirection(FGpioPin *const pin, FGpioDirection dir);
/* 获取GPIO引脚的输入输出方向 */
FGpioDirection FGpioGetDirection(FGpioPin *const pin);
/* 设置GPIO引脚的输出值 */
FError FGpioSetOutputValue(FGpioPin *const pin, const FGpioPinVal output);
/* 获取GPIO引脚的输入值 */
FGpioPinVal FGpioGetInputValue(FGpioPin *const pin);
/* 获取GPIO A组引脚的中断屏蔽位 */
void FGpioGetInterruptMask(FGpio *const instance, u32 *mask, u32 *enabled);
/* 设置GPIO A组引脚的中断屏蔽位 */
void FGpioSetInterruptMask(FGpioPin *const pin, boolean enable);
/* 获取GPIO A组引脚的中断类型和中断极性 */
void FGpioGetInterruptType(FGpio *const instance, u32 *levels, u32 *polarity);
/* 设置GPIO A组引脚的中断类型 */
void FGpioSetInterruptType(FGpioPin *const pin, const FGpioIrqType type);
/* GPIO控制器中断处理函数 */
void FGpioInterruptHandler(s32 vector, void *param);
/* 注册GPIO A组引脚中断回调函数 */
void FGpioRegisterInterruptCB(FGpioPin *const pin, FGpioInterruptCallback cb,
void *cb_param, boolean irq_one_time);
/* 打印GPIO控制寄存器信息 */
void FGpioDumpRegisters(uintptr base_addr);
#ifdef __cplusplus
}
#endif
#endif