hi_gpio.h

华为 HI3510 BOOTLOADER HIBOOT 源码包

/******************************************************************************

  Copyright (C), 2001-2011, Hisilicon Tech. Co., Ltd.

 ******************************************************************************
  File Name     : hi_gpio.h
  Version       : Initial Draft
  Author        : Hisilicon multimedia software group
  Created       : 2004/05/26
  Last Modified :
  Description   : General purpose input and output driver header file
  Function List :
  History       :
  1.Date        : 2004/05/26
    Author      : yuanyabin
    Modification: Created file

******************************************************************************/

#ifndef __HI_INC_GPIO_H__
#define __HI_INC_GPIO_H__

#ifdef __cplusplus
#if __cplusplus
extern "C"{
#endif
#endif /* __cplusplus */

/* Base register description*/
/* It should be placed in the file of board config header file ECSBoard.h */
/* #define GPIO_BASE          0x101E4000 */
/* Register read macro definition */

#ifndef GPIO_REG_READ
#define GPIO_REG_READ(reg,result)   ((result) = *(volatile UINT32 *)(reg))
#endif 


/* Register write macro definition */

#ifndef GPIO_REG_WRITE
#define GPIO_REG_WRITE(reg,data)    (*((volatile UINT32 *)(reg)) = (data))
#endif        

typedef void (*T_GPIOInterruptHandler)();

/*
  set the mode of the gpio path pins
  1:hardware control;
  0:software control,reset default.
*/


/*
  set the mode of the gpio path pins
  1:hardware control;
  0:software control,reset default.
*/
HI_RET GPIO_ModeSet(HI_IN UINT8 u8GpioPathNum , HI_IN UINT8 u8Mode);

/*Get the mode of the gpio path pins*/
HI_RET GPIO_ModeGet(HI_IN UINT8 u8GpioPathNum ,HI_OUT UINT8 * pu8Mode );

/* Set the direction of the single bit for the specific path */
/* DirBit=1 means output; */
/* DirBit=0 means input.  */
HI_RET GPIO_DirSetBit(HI_IN UINT8 u8GpioPathNum, HI_IN UINT8 u8Bitx, HI_IN UINT8 u8DirBit);

/* Set the input or output direction for the total path */
HI_RET GPIO_DirSetByte(HI_IN UINT8 u8GpioPathNum, HI_IN UINT8 u8DirByte);

/* Get the input or output direction for a specific pin of a port */
HI_RET GPIO_DirGetBit(HI_IN UINT8 u8GpioPathNum, HI_IN UINT8 u8Bitx , HI_OUT UINT8 *pu8DirBit);

/* Get the input or output direction for the total path */
HI_RET GPIO_DirGetByte(HI_IN UINT8 u8GpioPathNum ,HI_OUT UINT8 *pu8DirByte);


/*Bit write the value from a specific bit of a gpio path*/
HI_RET GPIO_WriteBit(HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 u8Bitx ,HI_IN UINT8 u8BitValue);

/*Byte write the value of a specific gpio path*/
HI_RET GPIO_WriteByte(HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 u8ByteValue);

/*Bit read the value from a specific bit of a gpio path*/
HI_RET GPIO_ReadBit(HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 u8Bitx ,HI_OUT UINT8 * pu8readBit);

/*Byte read the value of a specific gpio path*/
HI_RET GPIO_ReadByte (HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 * pu8readByte);

/* Enable  single interrupt bit*/
HI_RET GPIO_InterruptEnable(HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 u8Bitx);

/* Disable single interrupt bit*/
HI_RET GPIO_InterruptDisable (HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 u8Bitx);

/* Register an interrupt callback to a specific gpio pin .*/
HI_RET GPIO_InterruptRegisterCallback(HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 u8Bitx,
                                               HI_IN T_GPIOInterruptHandler pcallback);

/* UnRegister an interrupt callback to a specific gpio pin .*/
HI_RET GPIO_InterruptUnRegisterCallback(HI_IN UINT8 u8GpioPathNum ,HI_IN UINT8 u8Bitx);


/* Interrupt mode set:include BothnSingle,LevelnEdge,RisingnFalling. */
HI_RET GPIO_InterruptSet(
    HI_IN UINT8 u8GpioPathNum ,
    HI_IN UINT8 u8Bitx ,
    HI_IN UINT8 u8BothnSingle,
    HI_IN UINT8 u8LevelnEdge,
    HI_IN UINT8 u8RisingnFalling
    );


/* Individual port interrupt service routine  */

void GPIO_Interrupt0(void);
void GPIO_Interrupt1(void);
void GPIO_Interrupt2(void);
void GPIO_Interrupt3(void);


/* User defined gpio service routines */
/* Here just one routine assigned to pin0 of port0,just as a demo */
/* Also this routine can be defined in the app programm. */

#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif /* __cplusplus */

#endif  /* End of #ifndef __HI_INC_GPIO_H__ */