Esempi in C++ (Cpp) per imx_chipidea_port_init

Esempio n. 1

File: chipidea-imx.c Progetto: ch-f/barebox

static int imx_chipidea_probe(struct device_d *dev)
{
	struct imxusb_platformdata *pdata = dev->platform_data;
	int ret;
	void __iomem *base;
	struct imx_chipidea *ci;
	uint32_t portsc;

	ci = xzalloc(sizeof(*ci));
	ci->dev = dev;

	if (IS_ENABLED(CONFIG_OFDEVICE) && dev->device_node) {
		ret = imx_chipidea_probe_dt(ci);
		if (ret)
			return ret;
	} else {
		if (!pdata) {
			dev_err(dev, "no pdata!\n");
			return -EINVAL;
		}
		ci->portno = dev->id;
		ci->flags = pdata->flags;
		ci->mode = pdata->mode;
	}

	base = dev_request_mem_region(dev, 0);
	if (!base)
		return -ENODEV;

	ci->base = base;

	ci->data.init = imx_chipidea_port_init;
	ci->data.post_init = imx_chipidea_port_post_init;
	ci->data.drvdata = ci;

	if ((ci->flags & MXC_EHCI_PORTSC_MASK) == MXC_EHCI_MODE_HSIC)
		imx_chipidea_port_init(ci);

	if (ci->phymode != USBPHY_INTERFACE_MODE_UNKNOWN) {
		portsc = readl(base + 0x184);
		portsc &= ~MXC_EHCI_PORTSC_MASK;
		portsc |= ci->flags & MXC_EHCI_PORTSC_MASK;
		writel(portsc, base + 0x184);
	}

	ci->data.hccr = base + 0x100;
	ci->data.hcor = base + 0x140;
	ci->data.flags = EHCI_HAS_TT;

	if (ci->mode == IMX_USB_MODE_HOST && IS_ENABLED(CONFIG_USB_EHCI)) {
		ret = ehci_register(dev, &ci->data);
	} else if (ci->mode == IMX_USB_MODE_DEVICE && IS_ENABLED(CONFIG_USB_GADGET_DRIVER_ARC)) {
		ret = ci_udc_register(dev, base);
	} else {
		dev_err(dev, "No supported role\n");
		ret = -ENODEV;
	}

	return ret;
};

Esempio n. 2

File: chipidea-imx.c Progetto: Reggi3/mini210s-barebox

static int imx_chipidea_probe(struct device_d *dev)
{
	struct imxusb_platformdata *pdata = dev->platform_data;
	int ret;
	void __iomem *base;
	struct ehci_data data = {};
	uint32_t portsc;

	if (!pdata) {
		dev_err(dev, "no pdata!\n");
		return -EINVAL;
	}

	base = dev_request_mem_region(dev, 0);
	if (!base)
		return -ENODEV;

	data.init = imx_chipidea_port_init;
	data.post_init = imx_chipidea_port_post_init;
	data.drvdata = dev;

	portsc = readl(base + 0x184);
	portsc &= ~MXC_EHCI_PORTSC_MASK;
	portsc |= pdata->flags & MXC_EHCI_PORTSC_MASK;
	writel(portsc, base + 0x184);

	imx_chipidea_port_init(dev);

	if ((pdata->flags & MXC_EHCI_PORTSC_MASK) == MXC_EHCI_MODE_ULPI) {
		dev_dbg(dev, "using ULPI phy\n");
		if (IS_ENABLED(CONFIG_USB_ULPI)) {
			ret = ulpi_setup(base + 0x170, 1);
		} else {
			dev_err(dev, "no ULPI support available\n");
			ret = -ENODEV;
		}

		if (ret)
			return ret;
	}

	data.hccr = base + 0x100;
	data.hcor = base + 0x140;
	data.flags = EHCI_HAS_TT;

	if (pdata->mode == IMX_USB_MODE_HOST && IS_ENABLED(CONFIG_USB_EHCI)) {
		ret = ehci_register(dev, &data);
	} else if (pdata->mode == IMX_USB_MODE_DEVICE && IS_ENABLED(CONFIG_USB_GADGET_DRIVER_ARC)) {
		ret = ci_udc_register(dev, base);
	} else {
		dev_err(dev, "No supported role\n");
		ret = -ENODEV;
	}

	return ret;
};

Esempio n. 3

File: chipidea-imx.c Progetto: Tractorfirmware/barebox

static int imx_chipidea_probe(struct device_d *dev)
{
	struct resource *iores;
	struct imxusb_platformdata *pdata = dev->platform_data;
	int ret;
	void __iomem *base;
	struct imx_chipidea *ci;
	uint32_t portsc;

	ci = xzalloc(sizeof(*ci));
	ci->dev = dev;
	ci->role_registered = IMX_USB_MODE_OTG;

	if (IS_ENABLED(CONFIG_OFDEVICE) && dev->device_node) {
		ret = imx_chipidea_probe_dt(ci);
		if (ret)
			return ret;
	} else {
		if (!pdata) {
			dev_err(dev, "no pdata!\n");
			return -EINVAL;
		}
		ci->portno = dev->id;
		ci->flags = pdata->flags;
		ci->phymode = pdata->phymode;
		ci->mode = pdata->mode;
	}

	ci->vbus = regulator_get(dev, "vbus");
	if (IS_ERR(ci->vbus))
		ci->vbus = NULL;

	if (of_property_read_bool(dev->device_node, "fsl,usbphy")) {
		ci->phy = of_phy_get_by_phandle(dev, "fsl,usbphy", 0);
		if (IS_ERR(ci->phy)) {
			ret = PTR_ERR(ci->phy);
			dev_err(dev, "Cannot get phy: %s\n", strerror(-ret));
			return ret;
		} else {
			ci->usbphy = phy_to_usbphy(ci->phy);
			if (IS_ERR(ci->usbphy))
				return PTR_ERR(ci->usbphy);

			ret = phy_init(ci->phy);
			if (ret)
				return ret;
		}
	}

	iores = dev_request_mem_resource(dev, 0);
	if (IS_ERR(iores))
		return PTR_ERR(iores);
	base = IOMEM(iores->start);

	ci->base = base;

	ci->data.init = imx_chipidea_port_init;
	ci->data.post_init = imx_chipidea_port_post_init;
	ci->data.drvdata = ci;
	ci->data.usbphy = ci->usbphy;

	if ((ci->flags & MXC_EHCI_PORTSC_MASK) == MXC_EHCI_MODE_HSIC)
		imx_chipidea_port_init(ci);

	if (ci->phymode != USBPHY_INTERFACE_MODE_UNKNOWN) {
		portsc = readl(base + 0x184);
		portsc &= ~MXC_EHCI_PORTSC_MASK;
		portsc |= ci->flags & MXC_EHCI_PORTSC_MASK;
		writel(portsc, base + 0x184);
	}

	ci->data.hccr = base + 0x100;
	ci->data.hcor = base + 0x140;
	ci->data.flags = EHCI_HAS_TT;

	if (ci->mode == IMX_USB_MODE_OTG)
		ret = ci_register_otg_device(ci);
	else
		ret = ci_register_role(ci);

	return ret;
};