static void usb_detect_works(struct work_struct *work)
{
struct gadget_wrapper *d;
unsigned long flags;
int plug_in;
d = gadget_wrapper;
spin_lock_irqsave(&d->lock, flags);
plug_in = d->vbus;
spin_unlock_irqrestore(&d->lock, flags);
mutex_lock(&udc_lock);
if (plug_in){
pr_info("usb detect plug in,vbus pull up\n");
hotplug_callback(VBUS_PLUG_IN, 0);
if(get_usb_first_enable_store_flag()){
queue_delayed_work(d->cable2pc_wq, &d->cable2pc,CABLE_TIMEOUT);
__udc_startup();
}
} else {
pr_info("usb detect plug out,vbus pull down\n");
cancel_delayed_work_sync(&d->cable2pc);
__udc_shutdown();
hotplug_callback(VBUS_PLUG_OUT, cable_is_usb());
}
mutex_unlock(&udc_lock);
switch_set_state(&d->sdev, !!plug_in);
}
static int pullup(struct usb_gadget *gadget, int is_on)
{
struct gadget_wrapper *d;
int action = is_on;
#ifndef DWC_DEVICE_ONLY
if(!usb_get_id_state())
return 0;
#endif
if (gadget == 0)
return -ENODEV;
else
d = container_of(gadget, struct gadget_wrapper, gadget);
d->softconnect = is_on;
#ifdef CONFIG_USB_EXTERNAL_DETECT
if (!d->enabled || !d->vbus)
{
printk("usb: %s, d->enable = %d, d->vbus=%d \r\n",__func__, d->enabled, d->vbus);
return 0;
}
mutex_lock(&udc_lock);
if (action) {
__udc_startup();
} else {
__udc_shutdown();
}
mutex_unlock(&udc_lock);
#else
if (!d->enabled || !d->vbus)
action = 0;
mutex_lock(&udc_lock);
if (action) {
queue_delayed_work(d->cable2pc_wq, &d->cable2pc,CABLE_TIMEOUT);
__udc_startup();
} else {
/*
*this is soft disconnct, and maybe the timer started
*by plugin still work, need cancel this timer like plugout
*/
cancel_delayed_work_sync(&d->cable2pc);
__udc_shutdown();
}
mutex_unlock(&udc_lock);
#endif
return 0;
}
void dwc_udc_startup(void)
{
//if usb cable not connect, do nothing
if (!cable_is_connected()) {
pr_warning("usb cable is not connect\n");
return;
}
//udc not startup, startup udc and get a wacklock
mutex_lock(&udc_lock);
__udc_startup();
mutex_unlock(&udc_lock);
}
void dwc_udc_startup(void)
{
//if usb cable not connect, do nothing
#if 0 // not to check cable status temporary
if (!cable_is_connected()) {
pr_warning("usb cable is not connect\n");
return;
}
#endif
//udc not startup, startup udc and get a wacklock
mutex_lock(&udc_lock);
__udc_startup();
mutex_unlock(&udc_lock);
}
static int pullup(struct usb_gadget *gadget, int is_on)
{
struct gadget_wrapper *d;
int action = is_on;
if (gadget == 0)
return -ENODEV;
else
d = container_of(gadget, struct gadget_wrapper, gadget);
if (is_on) {
static int enum_enabled = 0;
if (unlikely(!enum_enabled)) {
enum_enabled = 1;
enumeration_enable();
// return 0;
}
}
if (!d->enabled || !d->vbus)
action = 0;
mutex_lock(&udc_lock);
if (action) {
mod_timer(&d->cable_timer, jiffies + CABLE_TIMEOUT);
__udc_startup();
} else {
/*
*this is soft disconnct, and maybe the timer started
*by plugin still work, need cancel this timer like plugout
*/
if(timer_pending(&d->cable_timer))
del_timer(&d->cable_timer);
__udc_shutdown();
}
mutex_unlock(&udc_lock);
return 0;
}
static int pullup(struct usb_gadget *gadget, int is_on)
{
struct gadget_wrapper *d;
int action = is_on;
#ifndef DWC_DEVICE_ONLY
if(!usb_get_id_state())
return 0;
#endif
if (gadget == 0)
return -ENODEV;
else
d = container_of(gadget, struct gadget_wrapper, gadget);
#ifdef CONFIG_USB_INTERRUPT_BY_MUIC // need to check vbus again
if (!d->enabled)
action = 0;
#else
if (!d->enabled || !d->vbus)
action = 0;
#endif
mutex_lock(&udc_lock);
if (action) {
queue_delayed_work(d->cable2pc_wq, &d->cable2pc,CABLE_TIMEOUT);
__udc_startup();
} else {
/*
*this is soft disconnct, and maybe the timer started
*by plugin still work, need cancel this timer like plugout
*/
cancel_delayed_work_sync(&d->cable2pc);
__udc_shutdown();
}
mutex_unlock(&udc_lock);
return 0;
}
