void summit_fsm_doAction(struct summit_smb347_info *di,int event)
{
int state=di->current_state;
int temp=0; u32 value;
int config,command=0;
u8 pre_protect_event=0;
switch (state){
case STATE_SUSPEND:
if(event==USB_EVENT_NONE){
di->usb_online=0;
di->ac_online=0;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
summit_charge_reset(di);
/*
* Turn off LEDs when USB is unplugged,
* this is safe when the battery is already
* discharging or full. There's no way
* the battery is being charged when USB
* is not connected.
*/
omap4430_green_led_set(NULL, 0);
omap4430_orange_led_set(NULL, 0);
CLEAR_BAT_FULL(di->protect_event);
//enable low battery interrupt
summit_enable_stat_interrupt(di,LOW_BATTERY_TRIGGER_IRQ);
/*
* Hold the wake lock, and schedule a delayed work
* to release it in 1 second
*/
wake_lock(&di->chrg_lock);
schedule_delayed_work(&di->disconnect_work,
msecs_to_jiffies(1000));
}
break;
break;
case STATE_INIT:
if(event==USB_EVENT_DETECT_SOURCE){
/*
* Cancel the scheduled delayed work that
* releases the wakelock
*/
cancel_delayed_work_sync(&di->disconnect_work);
di->fake_disconnect=0;
if(di->mbid!=0){
temp=-1;
config=i2c_smbus_read_byte_data(di->client,SUMMIT_SMB347_STAT_TIMERS);
if(IS_BIT_CLEAR(config,5)){//The detect need to be redo again.
dev_info(di->dev,"Redo apsd\n");
//disable stat
summit_write_config(di,1);
config=i2c_smbus_read_byte_data(di->client,SUMMIT_SMB347_STAT_TIMERS);
SET_BIT(config,5);
i2c_smbus_write_byte_data(di->client,SUMMIT_SMB347_STAT_TIMERS,config);
summit_write_config(di,0);
summit_config_apsd(di,0);
summit_config_apsd(di,1);
queue_delayed_work_on(0,summit_work_queue,&di->summit_check_work,msecs_to_jiffies(2000));
}else{//The detect has already done in u-boot
dev_info(di->dev,"The detect has already done in u-boot\n");
temp=summit_get_apsd_result(di);
writeIntoCBuffer(&di->events,temp);
queue_delayed_work_on(0,summit_work_queue,&di->summit_monitor_work,0);
}
}
summit_charger_reconfig(di);
summit_config_time_protect(di,1);
//reload the protection setting
if(IS_ADJUST_CURRENT_VOLTAGE_ENABLE(di->protect_enable) && di->mbid>=4){
summit_adjust_charge_current(di,event);
}
if(pre_protect_event!=di->protect_event && di->mbid>=4){
summit_protection(di);
}
}
if(event==EVENT_APSD_COMPLETE){
writeIntoCBuffer(&di->events,summit_get_apsd_result(di));
queue_delayed_work_on(0,summit_work_queue,&di->summit_monitor_work,0);
}
break;
case STATE_ONDEMAND:
summit_charge_reset(di);
break;
case STATE_PC:
if(event==EVENT_DETECT_PC){
blocking_notifier_call_chain(&di->xceiv->notifier,USB_EVENT_VBUS, di->xceiv->gadget);
di->usb_online=1;
di->ac_online=0;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
}
break;
case STATE_CD:
if(event==USB_EVENT_HOST_CHARGER){
if(di->mbid==0){
summit_switch_mode(di,HC_MODE);
}
di->usb_online=1;
di->ac_online=0;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
blocking_notifier_call_chain(&di->xceiv->notifier,USB_EVENT_VBUS, di->xceiv->gadget);
}
break;
case STATE_PC_100:
summit_switch_mode(di,USB1_OR_15_MODE);
di->usb_online=1;
di->ac_online=0;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
break;
//summit bug: if enable charge,then vbus always exits.
case STATE_PC_500:
if(event==USB_EVENT_LIMIT_500){
summit_switch_mode(di,USB5_OR_9_MODE);
if(di->mbid==0){//summit bug: if enable charge,then vbus always exits.
if((di->protect_enable==1 && di->protect_event==0) || di->protect_enable==0)
summit_charge_enable(di,1);
}
di->usb_online=1;
di->ac_online=0;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
}
break;
case STATE_OTHER://It will switch to usb5 mode,so need to switch hc mode.
if(event==EVENT_DETECT_OTHER){
if(di->mbid==0){
summit_switch_mode(di,HC_MODE);
if((di->protect_enable==1 && di->protect_event==0) || di->protect_enable==0)
summit_charge_enable(di,1);
}else{
summit_write_config(di,1);
config=i2c_smbus_read_byte_data(di->client,SUMMIT_SMB347_ENABLE_CONTROL);
command&=~(0x1<<(4));
i2c_smbus_write_byte_data(di->client,SUMMIT_SMB347_ENABLE_CONTROL,config);
summit_write_config(di,0);
summit_switch_mode(di,HC_MODE);
}
di->usb_online=0;
di->ac_online=1;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
}
//Some PC get a usb port that was detected by Other charger
//if(event==EVENT_AICL_COMPLETE)
// blocking_notifier_call_chain(&di->xceiv->notifier,USB_EVENT_VBUS, di->xceiv->gadget);
break;
case STATE_DC:
if(event==USB_EVENT_CHARGER){
if(di->mbid==0){
summit_switch_mode(di,HC_MODE);
}
di->usb_online=0;
di->ac_online=1;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
}
break;
case STATE_UC:
if(event==EVENT_DETECT_TBD){
if(di->mbid==0){
summit_switch_mode(di,HC_MODE);
if((di->protect_enable==1 && di->protect_event==0) || di->protect_enable==0)
summit_charge_enable(di,1);
}
di->usb_online=0;
di->ac_online=1;
power_supply_changed(&di->usb);
power_supply_changed(&di->ac);
}
break;
}
pre_protect_event=di->protect_event;
switch(event){
case EVENT_FULL_BATTERY:
SET_BAT_FULL(di->protect_event);
break;
case EVENT_RECHARGE_BATTERY:
CLEAR_BAT_FULL(di->protect_event);
break;
case EVENT_BATTERY_I2C_ERROR:
SET_BAT_I2C_FAIL(di->protect_event);
break;
case EVENT_BATTERY_I2C_NORMAL:
CLEAR_BAT_I2C_FAIL(di->protect_event);
break;
case EVENT_NOT_RECOGNIZE_BATTERY:
SET_BAT_NOT_RECOGNIZE(di->protect_event);
break;
case EVENT_RECOGNIZE_BATTERY:
CLEAR_BAT_NOT_RECOGNIZE(di->protect_event);
break;
case EVENT_BATTERY_NTC_ZERO:
SET_BAT_NTC_ERR(di->protect_event);
break;
case EVENT_BATTERY_NTC_NORMAL:
CLEAR_BAT_NTC_ERR(di->protect_event);
break;
case EVENT_WEAK_BATTERY:
SET_BAT_TOO_WEAK(di->protect_event);
break;
case EVENT_TEMP_PROTECT_STEP_2:// -20 < temp < 0 Stop Charge
SET_BAT_TOO_COLD_FOR_CHARGE(di->protect_event);
break;
case EVENT_TEMP_PROTECT_STEP_1:// temp < -20 Stop Discharge
SET_BAT_TOO_COLD_FOR_DISCHARGE(di->protect_event);
break;
case EVENT_TEMP_PROTECT_STEP_8:// 60 > temp
SET_BAT_TOO_HOT_FOR_CHARGE(di->protect_event);
break;
case EVENT_TEMP_PROTECT_STEP_3:
case EVENT_TEMP_PROTECT_STEP_4:
case EVENT_TEMP_PROTECT_STEP_5:
case EVENT_TEMP_PROTECT_STEP_6:
case EVENT_TEMP_PROTECT_STEP_7:
CLEAR_BAT_TOO_COLD_FOR_CHARGE(di->protect_event);
CLEAR_BAT_TOO_COLD_FOR_DISCHARGE(di->protect_event);
CLEAR_BAT_TOO_HOT_FOR_CHARGE(di->protect_event);
di->bat_thermal_step=event;
if(IS_ADJUST_CURRENT_VOLTAGE_ENABLE(di->protect_enable) && di->mbid>=4){
summit_adjust_charge_current(di,event);
}
break;
}
if( (pre_protect_event!=di->protect_event && di->mbid>=4 ) || (event==EVENT_RECHECK_PROTECTION)){
if(event==EVENT_RECHECK_PROTECTION)
summit_adjust_charge_current(di,di->bat_thermal_step);
summit_protection(di);
}else if(di->mbid<4){
summit_charge_enable(di,1);
}
}
void check_low_bat()
{
u16 v = 0, cap = 0;
s16 t = 0;
int power_source=0;
int input_limit=0;
int voltage=0;
int capacity=0;
int temperature=0;
int ms=0;
int sec=0;
int mbid=0;
int value=0;
//turn off the phy
__raw_writel(0x100, 0x4A0093E0); //disable ocp2scp_usb_phy_ick
__raw_writel(0x30000, 0x4A0093E0); //disable ocp2scp_usb_phy_phy_48m
__raw_writel(0x0, 0x4A008640); //disable usb_phy_cm_clk32k
__raw_writel(1, 0x4A002300); //power down the usb phy
mbid=get_mbid();
if(mbid!=0){
__raw_writel(0x40000000,0x4a100620); //disable the detect charger fuction
}
bq27541_temperature(&t);
temperature = t;
bq27541_voltage(&v);
voltage = v;
bq27541_capacity(&cap);
capacity = cap;
printf("Battery capacity =%d voltage=%d temperature=%d\n",capacity,voltage,temperature);
//Temperature protect
if( (temperature>TEMPERATURE_HOT_LIMIT) || (temperature<TEMPERATURE_COLD_LIMIT)){
printf("shutdown due to temperature protect %d\n",temperature);
twl6030_shutdown();
}
if( (voltage < LOW_BATTERY_VOLTAGE_LIMIT) || (capacity < LOW_BATTERY_CAPACITY_LIMIT)){
//Prepare to display the low battery message.
if(twl6030_get_vbus_status()){
run_command("setgreenled 0", 0);
run_command("setamberled 5", 0);
//enable the VUSB 3.3 V
twl6030_disable_vusb();
twl6030_init_vusb();
g_smb_address = SUMMIT_SMB347_I2C_ADDRESS;
if (smb347_i2c_read_u8(&value,SUMMIT_SMB347_SLAVE_ADDR) != 0){
g_smb_address = SUMMIT_SMB347_I2C_ADDRESS_SECONDARY;
if (smb347_i2c_read_u8(&value,SUMMIT_SMB347_SLAVE_ADDR) != 0){
goto LOW_BAT_TURN_OFF;
} else {
value = value >> 1;
if(value != SUMMIT_SMB347_I2C_ADDRESS_SECONDARY)
goto LOW_BAT_TURN_OFF;
}
}else{
value = value >> 1;
if(value != SUMMIT_SMB347_I2C_ADDRESS)
goto LOW_BAT_TURN_OFF;
}
summit_write_config(1);
//enable charge time out
smb347_i2c_read_u8(&value,SUMMIT_SMB347_STAT_TIMERS);
//enable Pre-charge Timeout 48 min
CLEAR_BIT(value,1);CLEAR_BIT(value,0);
//enable complete charge timeout 1527 min
CLEAR_BIT(value,2);SET_BIT(value,3);
smb347_i2c_write_u8(value,SUMMIT_SMB347_STAT_TIMERS);
/*reset the charge current to maximum*/
smb347_i2c_write_u8(kc1_chargerdetect_setting_pvt[0],0);
summit_write_config(0);
//Detect the power source
if(mbid==0){//EVT 1.0 DETECT_BY_PHY
printf("DETECT_BY_PHY\n");
power_source=detect_usb();
}else{//DETECT_BY_CHARGER
printf("DETECT_BY_CHARGER\n");
//check is this first boot?
smb347_i2c_read_u8(&value,SUMMIT_SMB347_STAT_TIMERS);
if(IS_BIT_CLEAR(value,5)){//FIRST BOOT
printf("FIRST BOOT\n");
//disable stat
summit_write_config(1);
SET_BIT(value,5);
smb347_i2c_write_u8(value,SUMMIT_SMB347_STAT_TIMERS);
summit_write_config(0);
//redo the apsd
summit_config_apsd(0);
summit_config_apsd(1);
}
power_source=summit_detect_usb();
if(power_source==NO_VBUS)
goto LOW_BAT_TURN_OFF;
if(power_source==2){
if(mbid==0){
//Need to fixed,this is bug of summit
summit_switch_mode(USB5_OR_9_MODE);
summit_init(mbid);
summit_charge_enable(1);
}
/* Enter low battery charge loop */
low_bat_charge();
if(mbid==0)
summit_charge_enable(0);
}else if(power_source==3||power_source==1){
if(mbid==0){
summit_switch_mode(HC_MODE);
summit_init(mbid);
summit_charge_enable(1);
}
if(mbid>=4){ //For DVT
input_limit=summit_is_aicl_complete();
if(input_limit==NO_VBUS)
goto LOW_BAT_TURN_OFF;
printf("Power:AICL=%d mA\n",input_limit);
/* Enter low battery charge loop */
//if(input_limit>0 && input_limit<=900)
low_bat_charge();
}
}
}
}else{
