C++ (Cpp) dwc3_drd_init Examples

Example #1

File: core.c Project: Xilinx/linux-xlnx

static int dwc3_core_init_mode(struct dwc3 *dwc)
{
	struct device *dev = dwc->dev;
	int ret;

	switch (dwc->dr_mode) {
	case USB_DR_MODE_PERIPHERAL:
		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);

		if (dwc->usb2_phy)
			otg_set_vbus(dwc->usb2_phy->otg, false);
		phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_DEVICE);
		phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_DEVICE);

		ret = dwc3_gadget_init(dwc);
		if (ret) {
			if (ret != -EPROBE_DEFER)
				dev_err(dev, "failed to initialize gadget\n");
			return ret;
		}
		break;
	case USB_DR_MODE_HOST:
		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_HOST);

		if (dwc->usb2_phy)
			otg_set_vbus(dwc->usb2_phy->otg, true);
		phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_HOST);
		phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_HOST);

		ret = dwc3_host_init(dwc);
		if (ret) {
			if (ret != -EPROBE_DEFER)
				dev_err(dev, "failed to initialize host\n");
			return ret;
		}
		phy_calibrate(dwc->usb2_generic_phy);
		break;
	case USB_DR_MODE_OTG:
		INIT_WORK(&dwc->drd_work, __dwc3_set_mode);
		ret = dwc3_drd_init(dwc);
		if (ret) {
			if (ret != -EPROBE_DEFER)
				dev_err(dev, "failed to initialize dual-role\n");
			return ret;
		}

#if IS_ENABLED(CONFIG_USB_DWC3_OTG)
		dwc->current_dr_role = 0;
		dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG);
#endif
		break;
	default:
		dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode);
		return -EINVAL;
	}

	return 0;
}

Example #2

File: core.c Project: asmalldev/linux

static int dwc3_core_init_mode(struct dwc3 *dwc)
{
	struct device *dev = dwc->dev;
	int ret;

	switch (dwc->dr_mode) {
	case USB_DR_MODE_PERIPHERAL:
		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);
		ret = dwc3_gadget_init(dwc);
		if (ret) {
			if (ret != -EPROBE_DEFER)
				dev_err(dev, "failed to initialize gadget\n");
			return ret;
		}
		break;
	case USB_DR_MODE_HOST:
		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_HOST);
		ret = dwc3_host_init(dwc);
		if (ret) {
			if (ret != -EPROBE_DEFER)
				dev_err(dev, "failed to initialize host\n");
			return ret;
		}
		break;
	case USB_DR_MODE_OTG:
		INIT_WORK(&dwc->drd_work, __dwc3_set_mode);
		ret = dwc3_drd_init(dwc);
		if (ret) {
			if (ret != -EPROBE_DEFER)
				dev_err(dev, "failed to initialize dual-role\n");
			return ret;
		}
		break;
	default:
		dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode);
		return -EINVAL;
	}

	return 0;
}