C++ (Cpp) ULPI_VIEW_ADDR Beispiele

Beispiel #1

Datei: phy-ulpi-viewport.c Projekt: 020gzh/linux

static int ulpi_viewport_write(struct usb_phy *otg, u32 val, u32 reg)
{
	int ret;
	void __iomem *view = otg->io_priv;

	writel(ULPI_VIEW_WAKEUP | ULPI_VIEW_WRITE, view);
	ret = ulpi_viewport_wait(view, ULPI_VIEW_WAKEUP);
	if (ret)
		return ret;

	writel(ULPI_VIEW_RUN | ULPI_VIEW_WRITE | ULPI_VIEW_DATA_WRITE(val) |
						 ULPI_VIEW_ADDR(reg), view);

	return ulpi_viewport_wait(view, ULPI_VIEW_RUN);
}

Beispiel #2

static int ulpi_viewport_read(struct otg_transceiver *otg, u32 reg)
{
	int ret;
	void __iomem *view = otg->io_priv;

	writel(ULPI_VIEW_WAKEUP | ULPI_VIEW_WRITE, view);
	ret = ulpi_viewport_wait(view, ULPI_VIEW_WAKEUP);
	if (ret)
		return ret;

	writel(ULPI_VIEW_RUN | ULPI_VIEW_READ | ULPI_VIEW_ADDR(reg), view);
	ret = ulpi_viewport_wait(view, ULPI_VIEW_RUN);
	if (ret)
		return ret;

	return ULPI_VIEW_DATA_READ(readl(view));
}