void set_charging_current(void)
{
static int old_status = -1;
int current_status = -1;
if( !get_madc_probe_done() )
return ;
current_status = get_external_power_status();
if( old_status != current_status ) {
if( -1 == lge_usb_acc_detect())
return ;
#ifdef CONFIG_LGE_BATT_THERM_LAB3_SCENARIO
need_to_batt_therm_sett = 1;
#endif
set_charging_current_sub();
old_status = current_status;
}
charger_state_update_by_other();
return ;
}
void set_charging_current(void)
{
static int old_status = -1;
int current_status = -1;
if( !get_madc_probe_done() )
return ;
current_status = get_external_power_status();
if( old_status != current_status ) {
/* mbk_temp */
lge_usb_acc_detect();
switch( get_ext_pwr_type() ) {
case NO_CABLE:
break;
case LT_CABLE:
// if LT_Cable, u-boot already set charing current. in kernel no need to set
//charging_ic_set_factory_mode();
/* mbk_temp HW Request */
setting_for_factory_mode_hw_req();
break;
case TA_CABLE:
case FORGED_TA_CABLE:
charging_ic_set_ta_mode();
break;
}
printk("[charging_msg] %s, External Power Type %d \n", __FUNCTION__, get_ext_pwr_type());
old_status = current_status;
}
charger_state_update_by_other();
return ;
}
int lge_usb_dp_dm_check(struct twl4030_usb *twl)
{
#if 0
cable_dp_dm_short = 1;
return 0;
#else
int ret;
int is_short;
u8 reg_val;
u8 reg_backup[2];
//20110804 [email protected] [LS855] skipping check d+/d- when detect LT Cable. [START]
#if 1
check_cable_type = get_ext_pwr_type();
if( get_external_power_status()||((check_cable_type==LT_CABLE_56K || check_cable_type==LT_CABLE_130K || check_cable_type==LT_CABLE_910K)))
return 0;
#else
if( get_external_power_status())
return 0;
#endif
//20110804 [email protected] [LS855] skipping check d+/d- when detect LT Cable. [END]
#if 1 /* already exist in twl4030_phy_power() */
// printk("twl : 0x%x\n", twl);
// regulator_enable(twl->usb3v1);
regulator_enable(twl->usb1v8);
regulator_enable(twl->usb1v5);
/* PHY power up */
twl_i2c_read_u8(TWL4030_MODULE_USB, ®_val, PHY_PWR_CTRL);
reg_val &= ~PHY_PWR_PHYPWD;
ret = twl_i2c_write_u8(TWL4030_MODULE_USB, reg_val, PHY_PWR_CTRL);
if (ret)
goto err_short_chk1;
/* ULPI register clock gating is enable */
ret = twl_i2c_read_u8(TWL4030_MODULE_USB, ®_backup[0], PHY_CLK_CTRL);
if (ret)
goto err_short_chk2;
ret = twl_i2c_write_u8(TWL4030_MODULE_USB,
reg_backup[0] | PHY_CLK_CTRL_CLOCKGATING_EN, PHY_CLK_CTRL);
if (ret)
goto err_short_chk2;
#endif
ret = twl_i2c_write_u8(TWL4030_MODULE_USB,
FUNC_CTRL_XCVRSELECT_MASK | FUNC_CTRL_OPMODE_MASK, FUNC_CTRL_CLR);
if (ret)
goto err_short_chk3;
/* Disable D+, D- pulldown */
ret = twl_i2c_write_u8(TWL4030_MODULE_USB,
OTG_CTRL_DMPULLDOWN | OTG_CTRL_DPPULLDOWN, OTG_CTRL_CLR);
if (ret)
goto err_short_chk4;
/* Set D+ to high, D- to low */
#if 0
ret = twl_i2c_read_u8(TWL4030_MODULE_USB, ®_val, OTHER_FUNC_CTRL);
if (ret)
goto err_short_chk5;
reg_backup[1] = reg_val & ~(DM_PULLUP | DP_PULLUP);
ret = twl_i2c_write_u8(TWL4030_MODULE_USB,
reg_backup[1] | DP_PULLUP, OTHER_FUNC_CTRL);
#else
ret = twl_i2c_read_u8(TWL4030_MODULE_USB, ®_backup[1], OTHER_FUNC_CTRL);
if (ret)
goto err_short_chk5;
reg_val = reg_backup[1] & ~(DM_PULLUP | DP_PULLUP);
ret = twl_i2c_write_u8(TWL4030_MODULE_USB,
reg_val | DP_PULLUP, OTHER_FUNC_CTRL);
#endif
if (ret)
goto err_short_chk5;
/* Check D- line */
ret = twl_i2c_read_u8(TWL4030_MODULE_USB, ®_val, OTHER_INT_STS);
if (ret)
goto err_short_chk6;
if ((reg_val & 0x60) == 0x60)
is_short = 1;
else
is_short = 0;
/* Set to default */
twl_i2c_write_u8(TWL4030_MODULE_USB, reg_backup[1], OTHER_FUNC_CTRL);
twl_i2c_write_u8(TWL4030_MODULE_USB,
OTG_CTRL_DMPULLDOWN | OTG_CTRL_DPPULLDOWN, OTG_CTRL_SET);
twl_i2c_write_u8(TWL4030_MODULE_USB,
FUNC_CTRL_XCVRSELECT_MASK | FUNC_CTRL_OPMODE_MASK, FUNC_CTRL_SET);
#if 0
twl_i2c_write_u8(TWL4030_MODULE_USB, reg_backup[0], PHY_CLK_CTRL); /* ULPI register clock gating is disble */
/* LGE_CHANGE_S [VX20000:FW:[email protected]] 2009-06-08, XXX_mbk_ADC_VBATT_THRM
* If below code is not present in TA Cable asserted,
* we can not set SEL_MADC_MCPC to 1 in ther CARKIT_ANA_CTRL
* I don't know why......*/
#if 1
/*#define REG_CARKIT_ANA_CTRL 0xBB */
ret = twl_i2c_read_u8(TWL4030_MODULE_USB,
&data_temp,
REG_CARKIT_ANA_CTRL);
if (ret) {
printk(KERN_ERR "%s: BUSY flag.\n", __func__);
}
#endif
/* LGE_CHANGE_E [VX20000:FW:[email protected]] / 2009-06-08 */
#endif
twl_i2c_read_u8(TWL4030_MODULE_USB, ®_val, PHY_PWR_CTRL);
reg_val |= PHY_PWR_PHYPWD;
twl_i2c_write_u8(TWL4030_MODULE_USB, reg_val, PHY_PWR_CTRL); /* PHY power down */
//twl4030_i2c_access(0);
regulator_disable(twl->usb1v5);
regulator_disable(twl->usb1v8);
// regulator_disable(twl->usb3v1);
cable_dp_dm_short = is_short;
printk(KERN_DEBUG "%s: D+ and D- lines are %s\n", __func__, is_short? "short":"open");
return 0;
err_short_chk6:
twl_i2c_write_u8(TWL4030_MODULE_USB, reg_backup[1], OTHER_FUNC_CTRL);
err_short_chk5:
twl_i2c_write_u8(TWL4030_MODULE_USB,
OTG_CTRL_DMPULLDOWN | OTG_CTRL_DPPULLDOWN, OTG_CTRL_SET);
err_short_chk4:
twl_i2c_write_u8(TWL4030_MODULE_USB,
FUNC_CTRL_XCVRSELECT_MASK | FUNC_CTRL_OPMODE_MASK, FUNC_CTRL_SET);
err_short_chk3:
twl_i2c_write_u8(TWL4030_MODULE_USB, reg_backup[0], PHY_CLK_CTRL);
err_short_chk2:
twl_i2c_write_u8(TWL4030_MODULE_USB, PHY_PWR_PHYPWD, PHY_PWR_CTRL);
err_short_chk1:
//twl4030_i2c_access(0);
regulator_disable(twl->usb1v5);
regulator_disable(twl->usb1v8);
// regulator_disable(twl->usb3v1);
printk(KERN_ERR "%s: Error \n", __func__);
return ret;
#endif
}