void set_charging_current_sub(void)
{
#ifdef CONFIG_LGE_BLOCK_CHARGING_MODE
if ( 0 == get_block_charging_state() ) {
printk(KERN_INFO "%s: Block Charging State\n", __func__);
return ;
}
#endif
switch( get_ext_pwr_type() ) {
case NO_CABLE:
charging_ic_active_default();
break;
case LT_CABLE_56K:
case LT_CABLE_130K:
case LT_CABLE_910K:
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;
case USB_CABLE:
case ABNORMAL_USB_100MA:
case ABNORMAL_USB_400MA:
charging_ic_set_usb_mode();
break;
}
printk("[charging_msg] %s, External Power Type %d, charging_ic_status %d \n", __FUNCTION__, get_ext_pwr_type(), charging_ic_status);
return ;
}
s32 muic_AP_USB_set(void){
s32 ret;
/* LGE_CHANGE_START 2011-03-16 [email protected] patch for Adb offline set and Mass Storage Driver detecting fail */
/* 20110113 [email protected] check muic driver init. state [START] */
if(!muic_init_done){
printk(KERN_WARNING "[MUIC] MUIC has not been initialized! Nothing will be done!!!.\n");
return 0;
}
/* 20110113 [email protected] check muic driver init. state [END] */
/* LGE_CHANGE_END 2011-03-16 [email protected] */
/* Connect CP UART signals to AP */
//usif_switch_ctrl(USIF_AP);
/* AP USB does not pass through DP3T.
* Just connect AP UART to MUIC UART. */
//dp3t_switch_ctrl(DP3T_AP_UART); // [email protected]
if (muic_device == MAX14526) {
/* ID_200, VLDO 2.6V, ADC Enable,
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte_local(CONTROL_1, MID_200 | MADC_EN | MCP_EN);
}
else {
ret = muic_i2c_write_byte_local(SW_CONTROL, DP_OPEN | DM_OPEN);
/* ID_200, VLDO 2.6V, SEMREN on. ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte_local(CONTROL_1, MID_200 | MSEMREN | MCP_EN);
}
/* Connect DP, DM to USB_DP, USB_DM */
ret = muic_i2c_write_byte_local(SW_CONTROL, DP_USB | DM_USB);
/* Turn on charger IC with TA mode */
charging_ic_set_usb_mode();
muic_mode = MUIC_AP_USB;
printk(KERN_WARNING "[MUIC] muic_distinguish_vbus_accessory(): AP_USB\n");
/* wake lock for usb connection */
set_wakelock(1);
return ret;
}
void rt9536_charging_enable(unsigned int set_current, unsigned int enable)
{
if (enable)
{
if ( set_current == AC_CHARGER_CURRENT )
charging_ic_set_ta_mode();
else if ( set_current == USB_CHARGER_CURRENT )
charging_ic_set_usb_mode();
else
charging_ic_active_default();
printk("[charger_rt9536] :: %s, current(%d), enable(%d)\n", __func__, set_current, enable);
}
else
{
charging_ic_deactive();
printk("[charger_rt9536] :: %s, enable(%d)\n", __func__, enable);
}
}
s32 muic_CP_USB_set(void){
s32 ret;
/* LGE_CHANGE_START 2011-03-16 [email protected] patch for Adb offline set and Mass Storage Driver detecting fail */
/* 20110113 [email protected] check muic driver init. state [START] */
if(!muic_init_done){
printk(KERN_WARNING "[MUIC] MUIC has not been initialized! Nothing will be done!!!.\n");
return 0;
}
/* 20110113 [email protected] check muic driver init. state [END] */
/* LGE_CHANGE_END 2011-03-16 [email protected] */
// LGE_UPDATE_S 20110411 [[email protected]] force D+/D- open in CP side
ret = muic_i2c_write_byte(SW_CONTROL, DP_OPEN | DM_OPEN);
muic_udelay(100000);
if(ret < 0)
printk(KERN_WARNING "[MUIC] i2c write error for D+/D- open in muic_CP_USB_SET\n");
// LGE_UPDATE_E 20110411 [[email protected]] force D+/D- open in CP side
/* Connect CP UART signals to AP */
/* CP <-> USIF_AP ?�결??CP ?�운로드 Fail 발생 */
usif_switch_ctrl(USIF_DP3T);
/* Connect CP USB to MUIC UART */
dp3t_switch_ctrl(DP3T_CP_USB);
if (muic_device == MAX14526) {
/* ID_200, VLDO 2.6V, ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MADC_EN | MCP_EN);
}
else {
if( MUIC_CP_USB != muic_mode ) {
/* ID_200, VLDO 2.6V, SEMREN on. ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MSEMREN | MCP_EN);
}
}
ret = muic_i2c_write_byte(SW_CONTROL, DP_USB | DM_USB);
// S [email protected] ; add for charging mode when CP USB is slected
int check_battery_present();
if(check_battery_present()==1)
charging_ic_set_usb_mode();
else
charging_ic_set_factory_mode();
// E [email protected] ; add for charging mode when CP USB is slected
muic_mode = MUIC_CP_USB;
printk(KERN_ERR "[MUIC] muic_distinguish_vbus_accessory(): CP_USB\n");
// START [email protected] 2011/03/03 LAB1_FW : WAKELOCK_CASE_AT_CP_USB : Ref from LU3000 {
if ( reset_status == 2 /* RESET_GLOBAL_SW_RESET */ ) {
// If muic path is CP_USB, Reset cause is SW_RESET then WakeLock AP
// wake lock for the factory mode
if(0==the_wlock.wake_lock_on){
wake_lock(&the_wlock.wake_lock);
the_wlock.wake_lock_on=1;
printk(KERN_WARNING "[MUIC] ====^^==== wake_lock_on=1 (locked)\n");
}
}
else {
/* wake lock off for the factory mode */
set_wakelock(0);
}
// END [email protected] 2011/03/03 LAB1_FW }
return ret;
}
s32 muic_AP_USB_set(void){
s32 ret;
/* LGE_CHANGE_START 2011-03-16 [email protected] patch for Adb offline set and Mass Storage Driver detecting fail */
/* 20110113 [email protected] check muic driver init. state [START] */
if(!muic_init_done){
printk(KERN_WARNING "[MUIC] MUIC has not been initialized! Nothing will be done!!!.\n");
return 0;
}
/* 20110113 [email protected] check muic driver init. state [END] */
/* LGE_CHANGE_END 2011-03-16 [email protected] */
if(hidden_menu_switching == 8) // if USB mode change AP_USB through Proc filesystem, force D+/D- open
{
ret = muic_i2c_write_byte(SW_CONTROL, DP_OPEN | DM_OPEN);
muic_udelay(100000);
if(ret < 0)
printk(KERN_WARNING "[MUIC] i2c write error for D+/D- open in muic_CP_USB_SET\n");
}
/* Justin?�서 AP_UART�??�정??AP_USB ?�작 ?�함 */
dp3t_switch_ctrl(DP3T_NC);
if (muic_device == MAX14526) {
/* ID_200, VLDO 2.6V, ADC Enable,
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MADC_EN | MCP_EN);
}
else {
// START [email protected] 2011/03/10 LAB1_FW {
if( MUIC_AP_USB != muic_mode )
{
ret = muic_i2c_write_byte(SW_CONTROL, DP_OPEN | DM_OPEN);
/* ID_200, VLDO 2.6V, SEMREN on. ADC is auto.
* USB 2.0 also needs the charge pump (CP_EN) on.*/
ret = muic_i2c_write_byte(CONTROL_1, MID_200 | MSEMREN | MCP_EN);
}
// END [email protected] 2011/03/10 LAB1_FW }
}
/* Connect DP, DM to USB_DP, USB_DM */
ret = muic_i2c_write_byte(SW_CONTROL, DP_USB | DM_USB);
/* Turn on charger IC with TA mode */
charging_ic_set_usb_mode();
muic_mode = MUIC_AP_USB;
printk(KERN_WARNING "[MUIC] muic_distinguish_vbus_accessory(): AP_USB\n");
/* wake lock for usb connection */
set_wakelock(1);
// check_usb_reg(); /* 20111105, [email protected], for stable USB connection. */
return ret;
}
static int set_battery_charging(struct twl4030_bci_device_info *di)
{
int trickle_chg_max, trickle_chg_min, trickle_chg_timer_start;
max8922_status chr_ic_status = get_charging_ic_status();
if(di->battery_present == 0 || // No Battery State
di->charge_rsoc == POWER_SUPPLY_TYPE_BATTERY) { // No Charging Source
start_monitor = 0;
set_end_of_charge(0);
set_charging_timer(0);
return 0;
}
/*
* Recharging algorithm
* - High Temperature : up to 4.0V
* - Normal : up to 4.2V
*/
// Set maximum charging voltage
if((di->temp_C < TEMP_CRITICAL_LOWER ||
di->temp_C > TEMP_CRITICAL_UPPER) && // Critical Temperature! Must stop charging
di->temp_control != UNLIMITED_TEMP_VAL){ // 20120725, [email protected], Enable charging by fake mode.
start_monitor = 0;
set_end_of_charge(0);
set_charging_timer(0);
if (di->battery_present == 1)
charging_ic_deactive();
return 0;
} else if(di->temp_C < TEMP_LIMIT_LOWER ||
di->temp_C > TEMP_LIMIT_UPPER) { // Charging Limit
trickle_chg_max = 4000;
trickle_chg_timer_start = 3950;
trickle_chg_min = 3900;
} else { // Normal Charging
trickle_chg_max = 4220; // to unintentional charging stop
trickle_chg_timer_start = 4197;
trickle_chg_min = 4140;
if((di->previous_temp_C < TEMP_LIMIT_LOWER ||
di->previous_temp_C > TEMP_LIMIT_UPPER) &&
di->temp_control != UNLIMITED_TEMP_VAL) { // 20120725, [email protected], Enable charging by fake mode.
start_monitor = 0;
set_end_of_charge(0);
set_charging_timer(0);
}
}
// Deactive charger for protect overcharge & monitoring
if(chr_ic_status != CHARGING_IC_DEACTIVE) {
if(/*di->voltage_uV >= trickle_chg_max ||*/ charging_timeout() || end_of_charge) {
// Battery Full Charged Once. Entering Trickle Charging Mode
if(!charging_timeout()) // Do not stop charging when timeout occured
charging_ic_deactive(); // It's not actually charged full.
set_charging_timer(0);
set_end_of_charge(0);
if(start_monitor == 0) {
printk(KERN_DEBUG "[Battery] Trickle Charging Start!\n");
start_monitor = 1;
}
} else if(di->voltage_uV >= trickle_chg_timer_start) {
set_charging_timer(1);
}
} else if(di->voltage_uV < trickle_chg_min) { // active charger for recharging
switch(di->charge_rsoc) {
case POWER_SUPPLY_TYPE_MAINS:
charging_ic_set_ta_mode();
break;
case POWER_SUPPLY_TYPE_USB:
charging_ic_set_usb_mode();
break;
case POWER_SUPPLY_TYPE_UPS:
charging_ic_set_factory_mode();
break;
default:
break;
}
}
return 0;
}