C++ (Cpp) DPTXFSIZN Examples

Example #1

File: params.c Project: rldleblanc/linux

static void dwc2_check_param_tx_fifo_sizes(struct dwc2_hsotg *hsotg)
{
	int fifo_count;
	int fifo;
	int min;
	u32 total = 0;
	u32 dptxfszn;

	fifo_count = dwc2_hsotg_tx_fifo_count(hsotg);
	min = hsotg->hw_params.en_multiple_tx_fifo ? 16 : 4;

	for (fifo = 1; fifo <= fifo_count; fifo++)
		total += hsotg->params.g_tx_fifo_size[fifo];

	if (total > dwc2_hsotg_tx_fifo_total_depth(hsotg) || !total) {
		dev_warn(hsotg->dev, "%s: Invalid parameter g-tx-fifo-size, setting to default average\n",
			 __func__);
		dwc2_set_param_tx_fifo_sizes(hsotg);
	}

	for (fifo = 1; fifo <= fifo_count; fifo++) {
		dptxfszn = (dwc2_readl(hsotg->regs + DPTXFSIZN(fifo)) &
			FIFOSIZE_DEPTH_MASK) >> FIFOSIZE_DEPTH_SHIFT;

		if (hsotg->params.g_tx_fifo_size[fifo] < min ||
		    hsotg->params.g_tx_fifo_size[fifo] >  dptxfszn) {
			dev_warn(hsotg->dev, "%s: Invalid parameter g_tx_fifo_size[%d]=%d\n",
				 __func__, fifo,
				 hsotg->params.g_tx_fifo_size[fifo]);
			hsotg->params.g_tx_fifo_size[fifo] = dptxfszn;
		}
	}
}

Example #2

File: params.c Project: AlexShiLucky/linux

/*
 * Gets device hardware parameters. Forces device mode if not
 * currently in device mode. Should be called immediately after a core
 * soft reset in order to get the reset values.
 */
static void dwc2_get_dev_hwparams(struct dwc2_hsotg *hsotg)
{
	struct dwc2_hw_params *hw = &hsotg->hw_params;
	u32 gnptxfsiz;
	int fifo, fifo_count;

	if (hsotg->dr_mode == USB_DR_MODE_HOST)
		return;

	dwc2_force_mode(hsotg, false);

	gnptxfsiz = dwc2_readl(hsotg, GNPTXFSIZ);

	fifo_count = dwc2_hsotg_tx_fifo_count(hsotg);

	for (fifo = 1; fifo <= fifo_count; fifo++) {
		hw->g_tx_fifo_size[fifo] =
			(dwc2_readl(hsotg, DPTXFSIZN(fifo)) &
			 FIFOSIZE_DEPTH_MASK) >> FIFOSIZE_DEPTH_SHIFT;
	}

	hw->dev_nperio_tx_fifo_size = (gnptxfsiz & FIFOSIZE_DEPTH_MASK) >>
				       FIFOSIZE_DEPTH_SHIFT;
}