/*
* probe - binds to the platform device
*/
static int s3c_udc_probe(struct platform_device *pdev)
{
struct s3c_udc *dev = &memory;
int retval;
DEBUG("%s: %p\n", __FUNCTION__, pdev);
spin_lock_init(&dev->lock);
dev->dev = pdev;
device_initialize(&dev->gadget.dev);
dev->gadget.dev.parent = &pdev->dev;
dev->gadget.is_dualspeed = 1; // Hack only
dev->gadget.is_otg = 0;
dev->gadget.is_a_peripheral = 0;
dev->gadget.b_hnp_enable = 0;
dev->gadget.a_hnp_support = 0;
dev->gadget.a_alt_hnp_support = 0;
dev->udc_state = USB_STATE_NOTATTACHED;
dev->config_gadget_driver = NO_GADGET_DRIVER;
#if defined (CONFIG_MACH_SMDK6410)
dev->is_pm_lock = false;
#endif /* CONFIG_MACH_SMDK6410 */
the_controller = dev;
platform_set_drvdata(pdev, dev);
otg_clock = clk_get(&pdev->dev, "otg");
if (IS_ERR(otg_clock)) {
printk(KERN_INFO "failed to find otg clock source\n");
return -ENOENT;
}
clk_enable(otg_clock);
udc_ep_list_reinit(dev);
local_irq_disable();
/* irq setup after old hardware state is cleaned up */
retval =
request_irq(IRQ_OTG, s3c_udc_irq, 0, driver_name, dev);
if (retval != 0) {
DEBUG(KERN_ERR "%s: can't get irq %i, err %d\n", driver_name,
IRQ_OTG, retval);
return -EBUSY;
}
disable_irq(IRQ_OTG);
local_irq_enable();
create_proc_files();
//it just prints which file included regarding whether DMA mode or SLAVE mode
s3c_show_mode();
return retval;
}
/*
* probe - binds to the platform device
*/
static int s3c_udc_probe(struct platform_device *pdev)
{
struct s3c_udc *dev = &memory;
int retval;
DEBUG("%s: %p\n", __func__, pdev);
#if 0// !NO_USING_USB_SWITCH
retval = i2c_add_driver(&fsa9480_i2c_driver);
if (retval != 0)
DEBUG_ERROR("[USB Switch] can't add i2c driver");
#endif
spin_lock_init(&dev->lock);
dev->dev = pdev;
device_initialize(&dev->gadget.dev);
dev->gadget.dev.parent = &pdev->dev;
dev->gadget.is_dualspeed = 1; // Hack only
dev->gadget.is_otg = 0;
dev->gadget.is_a_peripheral = 0;
dev->gadget.b_hnp_enable = 0;
dev->gadget.a_hnp_support = 0;
dev->gadget.a_alt_hnp_support = 0;
dev->udc_state = USB_STATE_NOTATTACHED;
dev->config_gadget_driver = NO_GADGET_DRIVER;
dev->clocked = 0;
dev->powered = 0;
the_controller = dev;
platform_set_drvdata(pdev, dev);
otg_clock = clk_get(&pdev->dev, "otg");
if (IS_ERR(otg_clock)) {
DEBUG_ERROR(KERN_INFO "failed to find otg clock source\n");
return -ENOENT;
}
#ifndef CONFIG_PM
clk_enable(otg_clock);
#endif
s3c_ep_list_reinit(dev);
local_irq_disable();
/* irq setup after old hardware state is cleaned up */
retval = request_irq(IRQ_OTG, s3c_udc_irq, 0, driver_name, dev);
if (retval != 0) {
DEBUG(KERN_ERR "%s: can't get irq %i, err %d\n", driver_name,
IRQ_OTG, retval);
return -EBUSY;
}
disable_irq(IRQ_OTG);
local_irq_enable();
create_proc_files();
//it just prints which file included regarding whether DMA mode or SLAVE mode
s3c_show_mode();
#if TESTING_SOFT_CONNCTION
soft_switch.name = SOFT_SWITCH_NAME;
soft_switch.print_name = soft_switch_name;
soft_switch.print_state = soft_switch_state;
soft_switch.state = 0;
if (switch_dev_register(&soft_switch) < 0)
switch_dev_unregister(&soft_switch);
#endif
return retval;
}
