mtk-lk/platform/mt6755/ncp1854.c

#include <platform/mt_typedefs.h>
#include <platform/mt_reg_base.h>
#include <platform/mt_i2c.h>  
#include <platform/mt_gpio.h>
#include <platform/mt_pmic.h>
#include <platform/ncp1854.h>
#include <printf.h>
#include <target/cust_charging.h>

#if !defined(CONFIG_POWER_EXT)
#include <platform/upmu_common.h>
#endif

int g_ncp1854_log_en=0;

/**********************************************************
  *
  *   [I2C Slave Setting]
  *
  *********************************************************/
#define NCP1854_SLAVE_ADDR_WRITE	0x6C
#define NCP1854_SLAVE_ADDR_READ	0x6D

/**********************************************************
  *
  *   [Global Variable]
  *
  *********************************************************/
#define NCP1854_REG_NUM 18

#ifndef NCP1854_BUSNUM
#define NCP1854_BUSNUM 3
#endif  

#define PRECC_BATVOL 2800 //preCC 2.8V

/* #ifndef GPIO_SWCHARGER_EN_PIN
#define GPIO_SWCHARGER_EN_PIN 65
#endif  */
kal_uint8 ncp1854_reg[NCP1854_REG_NUM] = {0};


/**********************************************************
  *
  *   [I2C Function For Read/Write ncp1854] 
  *
  *********************************************************/
static struct mt_i2c_t ncp1854_i2c;

kal_uint32 ncp1854_write_byte(kal_uint8 addr, kal_uint8 value)
{
    kal_uint32 ret_code = I2C_OK;
    kal_uint8 write_data[2];
    kal_uint16 len;

    write_data[0]= addr;
    write_data[1] = value;

    ncp1854_i2c.id = NCP1854_BUSNUM;
    /* Since i2c will left shift 1 bit, we need to set NCP1854 I2C address to >>1 */
    ncp1854_i2c.addr = (NCP1854_SLAVE_ADDR_WRITE >> 1);
    ncp1854_i2c.mode = ST_MODE;
    ncp1854_i2c.speed = 100;
    len = 2;

    ret_code = i2c_write(&ncp1854_i2c, write_data, len);

    if(I2C_OK != ret_code)
        dprintf(INFO, "%s: i2c_write: ret_code: %d\n", __func__, ret_code);

    return ret_code;
}

kal_uint32 ncp1854_read_byte (kal_uint8 addr, kal_uint8 *dataBuffer) 
{
    kal_uint32 ret_code = I2C_OK;
    kal_uint16 len;
    *dataBuffer = addr;

    ncp1854_i2c.id = NCP1854_BUSNUM;
    /* Since i2c will left shift 1 bit, we need to set NCP1854 I2C address to >>1 */
    ncp1854_i2c.addr = (NCP1854_SLAVE_ADDR_READ >> 1);
    ncp1854_i2c.mode = ST_MODE;
    ncp1854_i2c.speed = 100;
    len = 1;

    ret_code = i2c_write_read(&ncp1854_i2c, dataBuffer, len, len);

    if(I2C_OK != ret_code)
        dprintf(INFO, "%s: i2c_read: ret_code: %d\n", __func__, ret_code);

    return ret_code;
}


/**********************************************************
  *
  *   [Read / Write Function]
  *
  *********************************************************/
kal_uint32 ncp1854_read_interface (kal_uint8 RegNum, kal_uint8 *val, kal_uint8 MASK, kal_uint8 SHIFT)
{
    kal_uint8 ncp1854_reg = 0;
    int ret = 0;

    dprintf(INFO, "--------------------------------------------------\n");

    ret = ncp1854_read_byte(RegNum, &ncp1854_reg);
    dprintf(INFO, "[ncp1854_read_interface] Reg[%x]=0x%x\n", RegNum, ncp1854_reg);

    ncp1854_reg &= (MASK << SHIFT);
    *val = (ncp1854_reg >> SHIFT);    
    dprintf(INFO, "[ncp1854_read_interface] Val=0x%x\n", *val);

    return ret;

}

kal_uint32 ncp1854_config_interface (kal_uint8 RegNum, kal_uint8 val, kal_uint8 MASK, kal_uint8 SHIFT)
{
    kal_uint8 ncp1854_reg = 0;
    int ret = 0;

    dprintf(INFO, "--------------------------------------------------\n");

    ret = ncp1854_read_byte(RegNum, &ncp1854_reg);
    //dprintf(INFO, "[ncp1854_config_interface] Reg[%x]=0x%x\n", RegNum, ncp1854_reg);

    ncp1854_reg &= ~(MASK << SHIFT);
    ncp1854_reg |= (val << SHIFT);

    if(RegNum == NCP1854_CON1 && val == 1 && MASK ==CON1_REG_RST_MASK && SHIFT == CON1_REG_RST_SHIFT)
    {
        // RESET bit
    }
    else if(RegNum == NCP1854_CON1)
    {
        ncp1854_reg &= ~0x80;	//RESET bit read returs 1, so clear it
    }

    ret = ncp1854_write_byte(RegNum, ncp1854_reg);
    //dprintf(INFO, "[ncp18546_config_interface] Write Reg[%x]=0x%x\n", RegNum, ncp1854_reg);

    // Check
    //ncp1854_read_byte(RegNum, &ncp1854_reg);
    //dprintf(INFO, "[ncp1854_config_interface] Check Reg[%x]=0x%x\n", RegNum, ncp1854_reg);

    return ret;

}

/**********************************************************
  *
  *   [ncp1854 Function]
  *
  *********************************************************/
//CON0
kal_uint32 ncp1854_get_chip_status(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

    ret=ncp1854_read_interface((kal_uint8)(NCP1854_CON0),
							    (&val),
							    (kal_uint8)(CON0_STATE_MASK),
							    (kal_uint8)(CON0_STATE_SHIFT)
							    );
    return val;
}

kal_uint32 ncp1854_get_batfet(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

    ret=ncp1854_read_interface((kal_uint8)(NCP1854_CON0),
	        					      (&val),
							      (kal_uint8)(CON0_BATFET_MASK),
							      (kal_uint8)(CON0_BATFET_SHIFT)
							      );
    return val;
}

kal_uint32 ncp1854_get_statint(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

    ret=ncp1854_read_interface((kal_uint8)(NCP1854_CON0),
	        					      (&val),
							      (kal_uint8)(CON0_STATINT_MASK),
							      (kal_uint8)(CON0_STATINT_SHIFT)
							      );
    return val;
}

kal_uint32 ncp1854_get_faultint(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

    ret=ncp1854_read_interface((kal_uint8)(NCP1854_CON0),
	        					      (&val),
							      (kal_uint8)(CON0_FAULTINT_MASK),
							      (kal_uint8)(CON0_FAULTINT_SHIFT)
							      );
    return val;
}

//CON1
void ncp1854_set_reset(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON1),
								(kal_uint8)(val),
								(kal_uint8)(CON1_REG_RST_MASK),
								(kal_uint8)(CON1_REG_RST_SHIFT)
								);
}

void ncp1854_set_chg_en(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON1),
    								(kal_uint8)(val),
    								(kal_uint8)(CON1_CHG_EN_MASK),
    								(kal_uint8)(CON1_CHG_EN_SHIFT)
    								);
}

void ncp1854_set_otg_en(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON1),
                                                   (kal_uint8)(val),
                                                   (kal_uint8)(CON1_OTG_EN_MASK),
                                                   (kal_uint8)(CON1_OTG_EN_SHIFT)
                                                   );
    return val;
}

kal_uint32 ncp1854_get_otg_en(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

    ret=ncp1854_read_interface((kal_uint8)(NCP1854_CON1),
	        					      (&val),
							      (kal_uint8)(CON1_OTG_EN_MASK),
							      (kal_uint8)(CON1_OTG_EN_SHIFT)
							      );
    return val;
}

void ncp1854_set_fctry_mode(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON1),
								(kal_uint8)(val),
								(kal_uint8)(CON1_FCTRY_MOD_MASK),
								(kal_uint8)(CON1_FCTRY_MOD_SHIFT)
								);
}

void ncp1854_set_tj_warn_opt(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON1),
                                                   (kal_uint8)(val),
                                                   (kal_uint8)(CON1_TJ_WARN_OPT_MASK),
                                                   (kal_uint8)(CON1_TJ_WARN_OPT_SHIFT)
                                                   );
}

kal_uint32 ncp1854_get_usb_cfg(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

    ret=ncp1854_read_interface((kal_uint8)(NCP1854_CON1),
	        					      (&val),
							      (kal_uint8)(CON1_USB_CFG_MASK),
							      (kal_uint8)(CON1_USB_CFG_SHIFT)
							      );
    return val;
}

void ncp1854_set_tchg_rst(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface(	(kal_uint8)(NCP1854_CON1),
								(kal_uint8)(val),
								(kal_uint8)(CON1_TCHG_RST_MASK),
								(kal_uint8)(CON1_TCHG_RST_SHIFT)
								);
}

void ncp1854_set_int_mask(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON1),
                                                   (kal_uint8)(val),
                                                   (kal_uint8)(CON1_INT_MASK_MASK),
                                                   (kal_uint8)(CON1_INT_MASK_SHIFT)
                                                   );
}

//CON2
void ncp1854_set_wdto_dis(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON2),
								(kal_uint8)(val),
								(kal_uint8)(CON2_WDTO_DIS_MASK),
								(kal_uint8)(CON2_WDTO_DIS_SHIFT)
								);
}

void ncp1854_set_chgto_dis(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON2),
								(kal_uint8)(val),
								(kal_uint8)(CON2_CHGTO_DIS_MASK),
								(kal_uint8)(CON2_CHGTO_DIS_SHIFT)
								);
}

void ncp1854_set_pwr_path(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON2),
								(kal_uint8)(val),
								(kal_uint8)(CON2_PWR_PATH_MASK),
								(kal_uint8)(CON2_PWR_PATH_SHIFT)
								);
}

void ncp1854_set_trans_en(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON2),
								(kal_uint8)(val),
								(kal_uint8)(CON2_TRANS_EN_MASK),
								(kal_uint8)(CON2_TRANS_EN_SHIFT)
								);
}

void ncp1854_set_iinset_pin_en(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON2),
								(kal_uint8)(val),
								(kal_uint8)(CON2_IINSET_PIN_EN_MASK),
								(kal_uint8)(CON2_IINSET_PIN_EN_SHIFT)
								);
}

void ncp1854_set_iinlim_en(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON2),
								(kal_uint8)(val),
								(kal_uint8)(CON2_IINLIM_EN_MASK),
								(kal_uint8)(CON2_IINLIM_EN_SHIFT)
								);
}

void ncp1854_set_aicl_en(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON2),
								(kal_uint8)(val),
								(kal_uint8)(CON2_AICL_EN_MASK),
								(kal_uint8)(CON2_AICL_EN_SHIFT)
								);
}

//CON8
kal_uint32 ncp1854_get_vfet_ok(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

    ret=ncp1854_read_interface((kal_uint8)(NCP1854_CON8),
	        					      (&val),
							      (kal_uint8)(CON8_VFET_OK_MASK),
							      (kal_uint8)(CON8_VFET_OK_SHIFT)
							      );
    return val;
}


//CON14
void ncp1854_set_ctrl_vbat(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON14),
								(kal_uint8)(val),
								(kal_uint8)(CON14_CTRL_VBAT_MASK),
								(kal_uint8)(CON14_CTRL_VBAT_SHIFT)
								);
}

//CON15
void ncp1854_set_ichg_high(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON15),
								(kal_uint8)(val),
								(kal_uint8)(CON15_ICHG_HIGH_MASK),
								(kal_uint8)(CON15_ICHG_HIGH_SHIFT)
								);
}

void ncp1854_set_ieoc(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON15),
								(kal_uint8)(val),
								(kal_uint8)(CON15_IEOC_MASK),
								(kal_uint8)(CON15_IEOC_SHIFT)
								);
}

void ncp1854_set_ichg(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON15),
								(kal_uint8)(val),
								(kal_uint8)(CON15_ICHG_MASK),
								(kal_uint8)(CON15_ICHG_SHIFT)
								);
}

kal_uint32  ncp1854_get_ichg(void)
{
    kal_uint32 ret=0;
    kal_uint8 val=0;

	ret = ncp1854_read_interface((kal_uint8)NCP1854_CON15, 
									(&val), 
									(kal_uint8)CON15_ICHG_MASK, 
									(kal_uint8)CON15_ICHG_SHIFT);						    
    return val;
}

//CON16
void ncp1854_set_iweak(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON16),
								(kal_uint8)(val),
								(kal_uint8)(CON16_IWEAK_MASK),
								(kal_uint8)(CON16_IWEAK_SHIFT)
								);
}

void ncp1854_set_ctrl_vfet(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON16),
								(kal_uint8)(val),
								(kal_uint8)(CON16_CTRL_VFET_MASK),
								(kal_uint8)(CON16_CTRL_VFET_SHIFT)
								);
}

void ncp1854_set_iinlim(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON16),
								(kal_uint8)(val),
								(kal_uint8)(CON16_IINLIM_MASK),
								(kal_uint8)(CON16_IINLIM_SHIFT)
								);
}

//CON17

void ncp1854_set_iinlim_ta(kal_uint32 val)
{
    kal_uint32 ret=0;

    ret=ncp1854_config_interface((kal_uint8)(NCP1854_CON17),
								(kal_uint8)(val),
								(kal_uint8)(CON17_IINLIM_TA_MASK),
								(kal_uint8)(CON17_IINLIM_TA_SHIFT)
								);
}


/**********************************************************
  *
  *   [Internal Function]
  *
  *********************************************************/
void ncp1854_dump_register(void)
{
    int i=0;
    for (i=0;i<NCP1854_REG_NUM;i++)
    {
        if((i == 3) || (i == 4) || (i == 5) || (i == 6)) //do not dump read clear status register
            continue;
        if((i == 10) || (i == 11) || (i == 12) || (i == 13)) //do not dump interrupt mask bit register
            continue;		
        ncp1854_read_byte(i, &ncp1854_reg[i]);
        printf("[ncp1854_dump_register] Reg[0x%X]=0x%X\n", i, ncp1854_reg[i]);
    }

}

void ncp1854_hw_init()
{
    printf("[ncp1854] ChargerHwInit_ncp1854\n" );

    kal_uint32 ncp1854_status;
    ncp1854_status = ncp1854_get_chip_status();

	ncp1854_set_fctry_mode(0x0);
    ncp1854_set_otg_en(0x0);
    ncp1854_set_trans_en(0);
    ncp1854_set_tj_warn_opt(0x0);
//  ncp1854_set_int_mask(0x0); //disable all interrupt
    ncp1854_set_int_mask(0x1); //enable all interrupt for boost mode status monitor
//   ncp1854_set_tchg_rst(0x1); //reset charge timer
#ifdef NCP1854_PWR_PATH
    ncp1854_set_pwr_path(0x1);
#else
    ncp1854_set_pwr_path(0x0);
#endif
    if((ncp1854_status == 0x8) || (ncp1854_status == 0x9) || (ncp1854_status == 0xA)) //WEAK WAIT, WEAK SAFE, WEAK CHARGE
        ncp1854_set_ctrl_vbat(0x1C); //VCHG = 4.0V
	else
	{
		ncp1854_set_ctrl_vbat(0x24); //VCHG = 4.2V

		ncp1854_set_aicl_en(0x1); //enable AICL as PT team suggest

		ncp1854_set_iinset_pin_en(0x0); //Input current limit and AICL control by I2C
		ncp1854_set_chgto_dis(0x1); //disable charge timer
	}
    ncp1854_set_ieoc(0x4); // terminate current = 200mA for ICS optimized suspend power

    ncp1854_set_iweak(0x3); //weak charge current = 300mA

    ncp1854_set_ctrl_vfet(0x0); // VFET = 3.1V
}


 static CHARGER_TYPE g_chr_type_num = CHARGER_UNKNOWN;
 int hw_charging_get_charger_type(void);
 extern int g_std_ac_large_current_en;
 
 void ncp1854_charging_enable(kal_uint32 bEnable)
 {
	 int temp_CC_value = 0;
	 kal_int32 bat_val = 0;
 
	 if(CHARGER_UNKNOWN == g_chr_type_num && KAL_TRUE == upmu_is_chr_det())
	 {
		 hw_charging_get_charger_type();
		 dprintf(CRITICAL, "[BATTERY:ncp1854] charger type: %d\n", g_chr_type_num);
	 }
 
	 bat_val = get_i_sense_volt(1);
	 if (g_chr_type_num == STANDARD_CHARGER)
	 {
		
		if(g_std_ac_large_current_en==1)
		{
			temp_CC_value = 2000;
			ncp1854_set_iinlim_ta(0xF); //IN current limit at 2A
			ncp1854_set_iinlim_en(0x1); //IN current limit enable
			
			if(bat_val < PRECC_BATVOL)
			{ 
				ncp1854_set_ichg_high(0x0);	//ICHG
				ncp1854_set_ichg(0x1);  //Pre-Charging Current Limit at 500mA
			}
			else
			{ 
				ncp1854_set_ichg_high(0);	//ICHG
				ncp1854_set_ichg(0xF);	//Fast Charging Current Limit at 1.9A
			}
		
		}
		else
		{
			temp_CC_value = 1500;
			ncp1854_set_iinlim_ta(0xA); //IN current limit at 1.5A
			ncp1854_set_iinlim_en(0x1); //IN current limit enable
			
			if(bat_val < PRECC_BATVOL)
			{ 
				ncp1854_set_ichg_high(0x0);  //ICHG
				ncp1854_set_ichg(0x1);  //Pre-Charging Current Limit at 500mA
			}
			else
			{
		  		ncp1854_set_ichg_high(0);	//ICHG
				ncp1854_set_ichg(0xB);  //Fast Charging Current Limit at 1.5A
			}
		}
		
	 }
	 else if (g_chr_type_num == STANDARD_HOST \
		 || g_chr_type_num == CHARGING_HOST \
		 || g_chr_type_num == NONSTANDARD_CHARGER)
	 {
		 temp_CC_value = 500;
		 ncp1854_set_iinlim_ta(0); //IINLIM
		 ncp1854_set_iinlim(0x1); //IN current limit at 500mA
		 ncp1854_set_iinlim_en(0x1); //IN current limit enable

	     ncp1854_set_ichg_high(0x0);	//ICHG
	     ncp1854_set_ichg(0x1);  //Pre-Charging Current Limit at 500mA

	 }
	 else
	 {
		 temp_CC_value = 500;
		 ncp1854_set_iinlim_ta(0); //IINLIM
		 ncp1854_set_iinlim(0x1); //IN current limit at 500mA
		 ncp1854_set_iinlim_en(0x1); //IN current limit enable

	     ncp1854_set_ichg_high(0x0);	//ICHG
	     ncp1854_set_ichg(0x1);  //Pre-Charging Current Limit at 500mA

	 }
 
	 if(KAL_TRUE == bEnable)
		 ncp1854_set_chg_en(0x1); // charger enable
	 else
		 ncp1854_set_chg_en(0x0); // charger disable
 
	 ncp1854_set_wdto_dis(0x0);
	 dprintf(INFO, "[BATTERY:ncp1854] ncp1854_set_ac_current(), CC value(%dmA) \r\n", temp_CC_value);
	 dprintf(INFO, "[BATTERY:ncp1854] charger enable/disable %d !\r\n", bEnable);
 }
 

#if defined(CONFIG_POWER_EXT)

int hw_charging_get_charger_type(void)
{
    g_chr_type_num = STANDARD_HOST;

    return STANDARD_HOST;
}

#else

extern void Charger_Detect_Init(void);
extern void Charger_Detect_Release(void);
extern void mdelay (unsigned long msec);
extern kal_uint16 bc11_set_register_value(PMU_FLAGS_LIST_ENUM flagname,kal_uint32 val);

static void hw_bc11_dump_register(void)
{
/*
	kal_uint32 reg_val = 0;
	kal_uint32 reg_num = CHR_CON18;
	kal_uint32 i = 0;

	for(i=reg_num ; i<=CHR_CON19 ; i+=2)
	{
		reg_val = upmu_get_reg_value(i);
		dprintf(INFO, "Chr Reg[0x%x]=0x%x \r\n", i, reg_val);
	}	
*/
}

static void hw_bc11_init(void)
{
    mdelay(200);
    Charger_Detect_Init();

    //RG_bc11_BIAS_EN=1
    bc11_set_register_value(PMIC_RG_BC11_BIAS_EN,1);
    //RG_bc11_VSRC_EN[1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VSRC_EN,0);
    //RG_bc11_VREF_VTH = [1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0);
    //RG_bc11_CMP_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0);
    //RG_bc11_IPU_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPU_EN,0);
    //RG_bc11_IPD_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0);
    //bc11_RST=1
    bc11_set_register_value(PMIC_RG_BC11_RST,1);
    //bc11_BB_CTRL=1
    bc11_set_register_value(PMIC_RG_BC11_BB_CTRL,1);

    mdelay(50);

    if(g_ncp1854_log_en>1)
    {
        dprintf(INFO, "hw_bc11_init() \r\n");
        hw_bc11_dump_register();
    }	
}
 
static U32 hw_bc11_DCD(void)
{
    U32 wChargerAvail = 0;

    //RG_bc11_IPU_EN[1.0] = 10
    bc11_set_register_value(PMIC_RG_BC11_IPU_EN,0x2);  
    //RG_bc11_IPD_EN[1.0] = 01
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0x1);
    //RG_bc11_VREF_VTH = [1:0]=01
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0x1);
    //RG_bc11_CMP_EN[1.0] = 10
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x2);

    mdelay(80);

    wChargerAvail = bc11_get_register_value(PMIC_RGS_BC11_CMP_OUT);

    if(g_ncp1854_log_en>1)
    {
        dprintf(INFO, "hw_bc11_DCD() \r\n");
        hw_bc11_dump_register();
    }

    //RG_bc11_IPU_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPU_EN,0x0);
    //RG_bc11_IPD_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0x0);
    //RG_bc11_CMP_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x0);
    //RG_bc11_VREF_VTH = [1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0x0);

    return wChargerAvail;
}

static U32 hw_bc11_stepA1(void)
{
    U32 wChargerAvail = 0;
      
    //RG_bc11_IPD_EN[1.0] = 01
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0x1);
    //RG_bc11_VREF_VTH = [1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0x0);
    //RG_bc11_CMP_EN[1.0] = 01
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x1);

    mdelay(80);

    wChargerAvail = bc11_get_register_value(PMIC_RGS_BC11_CMP_OUT);

    if(g_ncp1854_log_en>1)
    {
    	dprintf(INFO, "hw_bc11_stepA1() \r\n");
    	hw_bc11_dump_register();
    }

    //RG_bc11_IPD_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0x0);
    //RG_bc11_CMP_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x0);

    return  wChargerAvail;
}


static U32 hw_bc11_stepA2(void)
{
    U32 wChargerAvail = 0;

    //RG_bc11_VSRC_EN[1.0] = 10 
    bc11_set_register_value(PMIC_RG_BC11_VSRC_EN,0x2);
    //RG_bc11_IPD_EN[1:0] = 01
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0x1);
    //RG_bc11_VREF_VTH = [1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0x0);
    //RG_bc11_CMP_EN[1.0] = 01
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x1);

    mdelay(80);

    wChargerAvail = bc11_get_register_value(PMIC_RGS_BC11_CMP_OUT);

    if(g_ncp1854_log_en)
    {
    	dprintf(INFO, "hw_bc11_stepB1() \r\n");
    	hw_bc11_dump_register();
    }

    //RG_bc11_VSRC_EN[1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VSRC_EN,0x0);
    //RG_bc11_IPD_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0x0);
    //RG_bc11_CMP_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x0);

    return  wChargerAvail;
}


static U32 hw_bc11_stepB2(void)
{
    U32 wChargerAvail = 0;
      
    //RG_bc11_IPU_EN[1:0]=10
    bc11_set_register_value(PMIC_RG_BC11_IPU_EN,0x2); 
    //RG_bc11_VREF_VTH = [1:0]=01
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0x1);
    //RG_bc11_CMP_EN[1.0] = 01
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x1);

    mdelay(80);

    wChargerAvail = bc11_get_register_value(PMIC_RGS_BC11_CMP_OUT);

    if(g_ncp1854_log_en)
    {
    	dprintf(INFO, "hw_bc11_stepB2() \r\n");
    	hw_bc11_dump_register();
    }

    if (!wChargerAvail)
    {
        //RG_bc11_VSRC_EN[1.0] = 10 
        //mt6325_upmu_set_rg_bc11_vsrc_en(0x2);
        bc11_set_register_value(PMIC_RG_BC11_VSRC_EN,0x2); 
    }
    //RG_bc11_IPU_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPU_EN,0x0); 
    //RG_bc11_CMP_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x0); 
    //RG_bc11_VREF_VTH = [1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0x0); 

    return  wChargerAvail;
}


static void hw_bc11_done(void)
{
    //RG_bc11_VSRC_EN[1:0]=00
    bc11_set_register_value(PMIC_RG_BC11_VSRC_EN,0x0);
    //RG_bc11_VREF_VTH = [1:0]=0
    bc11_set_register_value(PMIC_RG_BC11_VREF_VTH,0x0);
    //RG_bc11_CMP_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_CMP_EN,0x0);
    //RG_bc11_IPU_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPU_EN,0x0);
    //RG_bc11_IPD_EN[1.0] = 00
    bc11_set_register_value(PMIC_RG_BC11_IPD_EN,0x0);
    //RG_bc11_BIAS_EN=0
    bc11_set_register_value(PMIC_RG_BC11_BIAS_EN,0x0);

    Charger_Detect_Release();

    if(g_ncp1854_log_en>1)
    {
    	dprintf(INFO, "hw_bc11_done() \r\n");
    	hw_bc11_dump_register();
    }
}

int hw_charging_get_charger_type(void)
{
    if(CHARGER_UNKNOWN != g_chr_type_num)
        return g_chr_type_num;
#if 0
	  return STANDARD_HOST;
#else
    CHARGER_TYPE CHR_Type_num = CHARGER_UNKNOWN;
    
    /********* Step initial  ***************/         
    hw_bc11_init();
 
    /********* Step DCD ***************/  
    if(1 == hw_bc11_DCD())
    {
         /********* Step A1 ***************/
         if(1 == hw_bc11_stepA1())
         {             
             CHR_Type_num = APPLE_2_1A_CHARGER;
             dprintf(INFO, "step A1 : Apple 2.1A CHARGER!\r\n");
         }
         else
         {
             CHR_Type_num = NONSTANDARD_CHARGER;
             dprintf(INFO, "step A1 : Non STANDARD CHARGER!\r\n");
         }
    }
    else
    {
         /********* Step A2 ***************/
         if(1 == hw_bc11_stepA2())
         {
             /********* Step B2 ***************/
             if(1 == hw_bc11_stepB2())
             {
                 CHR_Type_num = STANDARD_CHARGER;
                 dprintf(INFO, "step B2 : STANDARD CHARGER!\r\n");
             }
             else
             {
                 CHR_Type_num = CHARGING_HOST;
                 dprintf(INFO, "step B2 :  Charging Host!\r\n");
             }
         }
         else
         {
             CHR_Type_num = STANDARD_HOST;
             dprintf(INFO, "step A2 : Standard USB Host!\r\n");
         }
    }
 
    /********* Finally setting *******************************/
    hw_bc11_done();

    g_chr_type_num = CHR_Type_num;

    return g_chr_type_num;
#endif    
}
#endif