/*-----------------------------------------------------------------------------
Name : aps_detect_printers
Purpose : Detect printers connected to system
Inputs : printers : printers array
max : printers array size
Outputs : Fills printers array with model and port information
Return : number of printers detected
-----------------------------------------------------------------------------*/
int aps_detect_printers(aps_printer_t *printers,int max)
{
int i;
int n = 0;
memset(printers,0,max*sizeof(aps_printer_t));
/*detect serial printers*/
i = detect_serial(&printers[n],max);
n += i;
max -= i;
/*detect parallel printers*/
i = detect_parallel(&printers[n],max);
n += i;
max -= i;
/*detect USB printers*/
i = detect_usb(&printers[n],max);
n += i;
max -= i;
return n;
}
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{
void vbus_monitor_work_func(struct work_struct *work)
{
struct twl6030_usb *twl = container_of(work,
struct twl6030_usb, vbus_work);
int event = -1; unsigned long flags;
int vbus_state, hw_state;
int detect_result=0;u32 value=0;
//spin_lock_irqsave(&twl->lock, flags);
#ifdef CONFIG_USB_MUSB_HDRC_HCD
hw_state = twl6030_readb(twl, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);
#endif
vbus_state = twl6030_readb(twl, TWL6030_MODULE_CHARGER,
CONTROLLER_STAT1);
/* AC unplugg can also generate this IRQ
* we only call the notifier in case of VBUS change
*/
if (twl->prev_vbus != (vbus_state & VBUS_DET)) {
//printk("\n%s twl->prev_vbus=%d vbus_state=%d \n",__func__,twl->prev_vbus,vbus_state & VBUS_DET);
twl->prev_vbus = vbus_state & VBUS_DET;
#ifdef CONFIG_USB_MUSB_HDRC_HCD
if (!(hw_state & STS_USB_ID)) {
#endif
if (vbus_state & VBUS_DET) {
wake_lock(&twlusb_lock);
regulator_enable(twl->vusb);
if(twl->mbid==0){//detect by omap
//printk("%s DETECT_BY_PHY\n",__func__);
blocking_notifier_call_chain(&twl->otg.notifier,USB_EVENT_DETECT_SOURCE, twl->otg.gadget);
detect_result=detect_usb();
if(detect_result==PHY_DETECT_PC)
event = USB_EVENT_VBUS;
else if(detect_result==PHY_DETECT_DEDICATED_CHARGER)
event = USB_EVENT_CHARGER;
else if(detect_result==PHY_DETECT_HOST_CHARGER)
event = USB_EVENT_HOST_CHARGER;
else
event = USB_EVENT_CHARGER;
twl->otg.default_a = false;
twl->otg.state = OTG_STATE_B_IDLE;
}else{//detect by charger
//printk("%s DETECT_BY_CHARGER\n",__func__);
__raw_writel(0x40000000,OMAP2_L4_IO_ADDRESS(0x4a100000 + (0x620)));
event = USB_EVENT_DETECT_SOURCE;
twl->otg.default_a = false;
twl->otg.state = OTG_STATE_B_IDLE;
}
}else{
//printk("!!%s USB_EVENT_NONE\n\n",__func__);
event = USB_EVENT_NONE;
//regulator_disable(twl->vusb);
}
if (event >= 0) {
twl->linkstat = event;
blocking_notifier_call_chain(&twl->otg.notifier,event, twl->otg.gadget);
}
#ifdef CONFIG_USB_MUSB_HDRC_HCD
}
#endif
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
}
if(event == USB_EVENT_NONE) {
wake_unlock(&twlusb_lock);
}
}
