C++ (Cpp) s3c_udc_enable Exemples

Exemple #1

Fichier : s3c-udc-otg-hs.c Projet : Arakmar/G3MOD

/*
 * power up s3c-udc power & enable otg clock
 */ 
void s3c_udc_power_up(void)
{
	struct s3c_udc *dev = the_controller;

#ifdef CONFIG_CPU_FREQ
	set_dvfs_level(0);
#endif /* CONFIG_CPU_FREQ */

	if(dev->udc_state == USB_STATE_NOTATTACHED) {		
		DEBUG_PM("[%s] \n", __func__);

S3C_UDC_POWER_UP:	
		fsa9480_s3c_udc_on();
			
		if(!dev->clocked) {
			if(clk_enable(otg_clock) != 0) {
				DEBUG_ERROR("\n[%s] clk_enable(otg_clock) failed.\n", __func__);
			}
			else {
				dev->clocked = 1;
				DEBUG_PM("\n[%s] clk_enable(otg_clock) OK.\n", __func__);
			}
		}
		else
			DEBUG_PM("\n[%s] already clk_enabled.\n", __func__);
		
		if(s3c_udc_enable(dev) != 0 || !dev->clocked) {
		/* 	Just in case */
			DEBUG_ERROR("\n[%s] FAIL TO s3c_udc_enable()\n", __func__);
			DEBUG_ERROR("\n[%s] Power UP again.\n", __func__);
			goto S3C_UDC_POWER_UP;
		}
		else
			DEBUG_PM("\n[%s] POWER-UP OK!.\n", __func__);
	}
	else {
		DEBUG_PM("[%s] skipped , already powered up\n", __func__);			
		
		if(!readl(S3C_UDC_OTG_GINTMSK) || !dev->clocked) {
		/* 	Just in case */
			DEBUG_ERROR("\n[%s] !readl(S3C_UDC_OTG_GINTMSK) || !dev->clocked\n", __func__);
			DEBUG_ERROR("\n[%s] Power UP again.\n", __func__);
			goto S3C_UDC_POWER_UP;
		}
	}		
	dev->powered = 1;
}

Exemple #2

Fichier : s3c-udc-otg-hs.c Projet : argentinos/o2droid

/*
 * usb_gadget_register_driver
 * Register entry point for the peripheral controller driver.
 */
int usb_gadget_register_driver(struct usb_gadget_driver *driver)
{
	struct s3c_udc *dev = the_controller;
	int retval;

	DEBUG_SETUP("%s: %s\n", __func__, driver->driver.name);
#if 1
/*
	adb composite fail to !driver->unbind in composite.c as below
	static struct usb_gadget_driver composite_driver = {
		.speed		= USB_SPEED_HIGH,

		.bind		= composite_bind,
		.unbind		= __exit_p(composite_unbind),
*/
	if (!driver
	    || (driver->speed < USB_SPEED_FULL)
	    || !driver->bind
	    || !driver->disconnect || !driver->setup)
		return -EINVAL;		
#else	
if (!driver
	|| (driver->speed != USB_SPEED_FULL && driver->speed != USB_SPEED_HIGH)
	|| !driver->bind
	|| !driver->unbind || !driver->disconnect || !driver->setup)
	return -EINVAL;
#endif
	
	if (!dev)
		return -ENODEV;

	if (dev->driver)
		return -EBUSY;

	/* first hook up the driver ... */
	dev->devstatus = 1 << USB_DEVICE_SELF_POWERED;
	dev->driver = driver;
	dev->gadget.dev.driver = &driver->driver;
	retval = device_add(&dev->gadget.dev);

	if(retval) { /* TODO */
		DEBUG_ERROR("target device_add failed, error %d\n", retval);
		return retval;
	}
	
	retval = driver->bind(&dev->gadget);
	if (retval) {
		DEBUG_ERROR("%s: bind to driver %s --> error %d\n", dev->gadget.name,
		       driver->driver.name, retval);
		device_del(&dev->gadget.dev);

		dev->driver = 0;
		dev->gadget.dev.driver = 0;
		return retval;
	}
	enable_irq(IRQ_OTG);
	
	DEBUG_SETUP("Registered gadget driver '%s'\n", driver->driver.name);

#ifndef CONFIG_PM
	s3c_udc_enable(dev);
#endif

/* 	in case of rndis, will be chaned at the time of SET_CONFIGURATION */
	if (strcmp(driver->driver.name, "g_ether") == 0)
		dev->config_gadget_driver = ETHER_CDC;	
	
	else if (strcmp(driver->driver.name, "android_adb") == 0)
		dev->config_gadget_driver = ANDROID_ADB;
	
	else if (strcmp(driver->driver.name, "android_usb") == 0)
		dev->config_gadget_driver = ANDROID_ADB_UMS;
	
	else if (strcmp(driver->driver.name, "android_adb_ums_acm") == 0)
		dev->config_gadget_driver = ANDROID_ADB_UMS_ACM;
	
	else if (strcmp(driver->driver.name, "g_serial") == 0)
		dev->config_gadget_driver = SERIAL;
	
	else if (strcmp(driver->driver.name, "g_cdc") == 0)
		dev->config_gadget_driver = CDC2;
	
	else if (strcmp(driver->driver.name, "g_file_storage") == 0)
		dev->config_gadget_driver = FILE_STORAGE;

	else
		DEBUG_ERROR("Not recognized driver's name '%s'\n", driver->driver.name);
		
	return 0;
}