static int s3c_udc_resume(struct platform_device *pdev)
{
//#ifndef CONFIG_PM
usb_pm_state = 1;
return 0;
#if 0
#if 1
//first check status of connection
DEBUG_PM("[%s]: fsa9480_check_usb_connection\n", __func__);
msleep(200);
fsa9480_check_usb_connection();
return 0;
#else
// chekc udc_resume_speed & udc_resume_state
struct s3c_udc *dev = platform_get_drvdata(pdev);
u32 tmp;
DEBUG_PM("[%s]: System Resume \n", __func__);
#if NO_USING_USB_SWITCH
DEBUG_PM("[%s]: NO_USING_USB_SWITCH just return\n", __func__);
return 0;
#endif
//if not suspended as connected
if (dev->udc_resume_state == USB_STATE_CONFIGURED)
{
DEBUG_PM("[%s]: USB connected before suspend \n", __func__);
}
else
{
DEBUG_PM("[%s]: USB not connected before suspend\n", __func__);
return 0;
}
switch(pm_policy)
{
case ALL_POWER_DOWN:
s3c_udc_power_up();
break;
case CLOCK_GATING:
s3c_udc_resume_clock_gating();
break;
case OPHYPWR_FORCE_SUSPEND:
tmp = readl(S3C_USBOTG_PHYPWR);
tmp &= ~(1<<FORCE_SUSPEND);
writel(tmp, S3C_USBOTG_PHYPWR);
break;
default:
DEBUG_ERROR("[%s]: not proper pm_policy\n", __func__);
}
return 0;
#endif
#endif
}
/*
* usb_gadget_ops pullup
*/
static int s3c_udc_pullup(struct usb_gadget *gadget, int is_on)
{
//#ifdef CONFIG_PM
#if 0
//logical
if (is_on)
{
s3c_udc_soft_connect();
}
else
{
s3c_udc_soft_disconnect();
}
#else
struct s3c_udc *dev = the_controller;
unsigned long flags;
//UDC power on/off
if (is_on)
{
DEBUG_PM("[%s] is_on[%d]\n", __func__, is_on);
/*
* if early s3c_udc_power_up make
* fsa9480_check_usb_connection failed to detect USB connection
*/
#if NO_USING_USB_SWITCH
s3c_udc_power_up();
#else
fsa9480_check_usb_connection();
#endif
}
else
{
DEBUG_PM("[%s] is_on[%d]\n", __func__, is_on);
S3C_UDC_LOCK_IRQSAVE(&dev->lock, flags);
s3c_udc_stop_activity(dev, dev->driver);
s3c_udc_power_down();
S3C_UDC_UNLOCK_IRQRESTORE(&dev->lock, flags);
}
#endif
return 0;
}
static int s3c_udc_resume(struct platform_device *pdev)
{
// struct s3c_udc *dev = platform_get_drvdata(pdev);
u32 tmp;
DEBUG_PM("[%s]: System Resume \n", __FUNCTION__);
//if not suspended as connected
#ifndef CONFIG_MACH_SMDK6410
if (dev->udc_resume_state == USB_STATE_CONFIGURED)
{
DEBUG_PM("[%s]: USB connected before suspend \n", __FUNCTION__);
}
else
{
DEBUG_PM("[%s]: USB not connected before suspend\n", __FUNCTION__);
return 0;
}
#endif /* CONFIG_MACH_SMDK6410 */
switch(pm_policy)
{
case ALL_POWER_DOWN:
s3c_udc_power_up();
break;
case CLOCK_GATING:
s3c_udc_resume_clock_gating();
break;
case OPHYPWR_FORCE_SUSPEND:
tmp = readl(S3C_USBOTG_PHYPWR);
tmp &= ~(1);
writel(tmp, S3C_USBOTG_PHYPWR);
break;
default:
printk("[%s]: not proper pm_policy\n", __FUNCTION__);
}
return 0;
}