mst037b_d01_gpio.c

mstar 776 开发的车载dvd

#include "mreg51.h"
#include "sysinfo.h"
#include "hwreg.h"
#include "drvuart.h"
#include "drvmiu.h"
#include "drvsys.h"
#include "Analog_Reg.h"
#include "drvGlobal.h"
#include "drvISR.h"
#include "drviic.h"

#include <stdio.h>

#include "DrvGpio.h"

//---------------------------------------------------------------------
#define PCI_PORT_SEL                PCI_PORT_IS_CARDREADER

#define IR_PORT_SEL                 IR_USE_PAD_IRIN

#define HS_VS_VD_DE_IO_SETTING      (BIT0)  //USB_OCD_N is input
#define SET_B0_B1_IO_MODE           0x00    //BIT3,BIT2=00b
#define SET_G4_G5_IO_MODE           (BIT7|BIT6)

#define FCIE_SELECT                 FCIE_MODE_2

//---------------------------------------------------------------------
//In MST demo set(2338)
//INT/IR is gpio, remote_control IR connect to IR2
//---------------------------------------------------------------------
void InitialSaturn2_IR_Port( void )
{
    XBYTE[REG_MUX_CONFIG_2] |= IR_PORT_SEL;
}
//---------------------------------------------------------------------
void InitialSaturn2_UART1_Port_As_GPIO(void )	  //as gpio 0/1/2
{
    //Assign as GPIO
    XBYTE[REG_MUX_CONFIG_3] &= ~(SECOND_UART_MODE); //UART1 not enable
    XBYTE[REG_MUX_FUNC_SEL1] &= (~CEC_MODE);        //XBYTE[0x1ea1] &=0xe7;   //disable CEC
    XBYTE[REG_P1_ENABLE] &=~(BIT2|BIT1|BIT0);
    XBYTE[REG_MUX_FUNC_SEL0] &=0xf3;            //atcon_setting=00b
    XBYTE[REG_GPIO_OE_0]=BIT0;
}
//---------------------------------------------------------------------
void InitialSaturn2_Pin134 (void )	  //pin 134  //pwrctl_limit in SD reader
{
        XBYTE[REG_MUX_FUNC_SEL1] &= (~CEC_MODE);
        XBYTE[REG_MUX_FUNC_SEL3]&=(~FLHWE_IS_GPIO);
}
//---------------------------------------------------------------------
void InitialLVDS_B0_B1_IsGpio ( void )
{
    XBYTE[REG_SEL_TTL_1]  |= 0x08;  //bit 3 =0;
    XBYTE[ODD_IS_GPIO_3]  |= 0x0c;  //PAD_b_ODD0/PAD_b_ODD1 is GPIO
    XBYTE[ODD_GPO_SEL_3]  |= 0x0c;  //

    //define B0/b1 gpio is output port
    XBYTE[ODD_GPO_OEZ_3] = (XBYTE[ODD_GPO_OEZ_3] & 0xf3)| SET_B0_B1_IO_MODE;
}
//---------------------------------------------------------------------
//---------------------------------------------------------------------
void InitialLVDS_G4_G5_IsGpio ( void )
{
    XBYTE[REG_SEL_TTL_0 ] |= 0x20;      //bit 5 =0;
    XBYTE[ODD_IS_GPIO_1]  |= 0xc0;      //PAD_g_ODD4/PAD_g_ODD5 is GPIO
    XBYTE[ODD_GPO_SEL_1]  |= 0xc0;      //
    XBYTE[ODD_GPO_OEZ_2] = (XBYTE[ODD_GPO_OEZ_2] & 0xfc)| SET_G4_G5_IO_MODE;
}
//---------------------------------------------------------------------
void InitialLVDS_HS_VS_VE_DE_IsGpio( void )   // HS,VS,Clk,Ve is gpio
{
    XBYTE[ODD_IS_GPIO_0]  |= 0x0f;
    XBYTE[ODD_GPO_SEL_0]  |= 0x0f;
    XBYTE[ODD_GPO_OEZ_0]  =( XBYTE[ODD_GPO_OEZ_0] & 0xf0) | HS_VS_VD_DE_IO_SETTING;
}
//---------------------------------------------------------------------
void IntialSaturn2_TS_Port(void)	 //TS0 interface
{
   XBYTE[REG_MUX_CONFIG_0] |= TS0_IS_TS0;

   XBYTE[REG_MUX_CONFIG_0] &= ~( TS0_IS_DI );
   XBYTE[REG_MUX_FUNC_SEL3]&= ~( TS0_IS_GPIO );
   XBYTE[REG_MUX_FUNC_SEL6]&= ~( DHC_DFT_MODE);
   XBYTE[REG_MUX_CONFIG_5] &= ~( DSPE_JTAG_MODE );
}
//---------------------------------------------------------------------
//---------------------------------------------------------------------
void InitialSaturn2_I2S_Port( void )
{
    XBYTE[REG_MUX_FUNC_SEL3]&=( ~I2S_IS_GPIO );
    XBYTE[REG_MUX_CONFIG_3] = ( XBYTE[REG_MUX_CONFIG_3] & 0x3f ) | I2S_MUTE_MODE_1;    //I2sMUTE pin
}
//---------------------------------------------------------------------
void InitialSaturn2_PCI_Port_Is_CardReader(void)		//PCI is card reader
{
    XBYTE[REG_MUX_FUNC_SEL0] &= (~ATCON_SETTING);

    XBYTE[REG_MUX_CONFIG_4] =(XBYTE[REG_MUX_CONFIG_4] & (~FCIE_CONFIG) )| FCIE_SELECT;
    XBYTE[REG_MUX_FUNC_SEL3]&=(~FLHWE_IS_GPIO);
}
//---------------------------------------------------------------------
//---------------------------------------------------------------------
//---------------------------------------------------------------------
//---------------------------------------------------------------------
//---------------------------------------------------------------------

//---------------------------------------------------------------------
#if 0
void InitialSaturn2_DI_Port(void)		//to BT656 interface
{
    //DI_PAD_IS_BT656
    XBYTE[REG_MUX_FUNC_SEL3]  &= ( ~DI_IS_GPIO );
    XBYTE[REG_MUX_CONFIG_0] = (XBYTE[REG_MUX_CONFIG_0] & 0xE1 )|DI_MODE_IS_BT656;
}
#endif
//---------------------------------------------------------------------
void Mst_GPIO_Initial( void )
{
	//gpio port
	//InitialSaturn2_DI_Port();   //no DI port

	InitialSaturn2_IR_Port();
	InitialSaturn2_UART1_Port_As_GPIO();
	InitialSaturn2_Pin134();

	//mod lvds gpio
    InitialLVDS_B0_B1_IsGpio();
    InitialLVDS_G4_G5_IsGpio();
    InitialLVDS_HS_VS_VE_DE_IsGpio();

	//TS0 port
	IntialSaturn2_TS_Port();

    //PCI port as GPIO
	InitialSaturn2_PCI_Port_Is_CardReader();

	//i2s interface
	InitialSaturn2_I2S_Port();
}
//---------------------------------------------------------------------