Exemplos de HW_SSP_STATUS em C++ (Cpp)

Exemplo n.º 1

Arquivo: mxs-mmc.c Projeto: 020gzh/linux

static void mxs_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
{
	struct mxs_mmc_host *host = mmc_priv(mmc);
	struct mxs_ssp *ssp = &host->ssp;
	unsigned long flags;

	spin_lock_irqsave(&host->lock, flags);

	host->sdio_irq_en = enable;

	if (enable) {
		writel(BM_SSP_CTRL0_SDIO_IRQ_CHECK,
		       ssp->base + HW_SSP_CTRL0 + STMP_OFFSET_REG_SET);
		writel(BM_SSP_CTRL1_SDIO_IRQ_EN,
		       ssp->base + HW_SSP_CTRL1(ssp) + STMP_OFFSET_REG_SET);
	} else {
		writel(BM_SSP_CTRL0_SDIO_IRQ_CHECK,
		       ssp->base + HW_SSP_CTRL0 + STMP_OFFSET_REG_CLR);
		writel(BM_SSP_CTRL1_SDIO_IRQ_EN,
		       ssp->base + HW_SSP_CTRL1(ssp) + STMP_OFFSET_REG_CLR);
	}

	spin_unlock_irqrestore(&host->lock, flags);

	if (enable && readl(ssp->base + HW_SSP_STATUS(ssp)) &
			BM_SSP_STATUS_SDIO_IRQ)
		mmc_signal_sdio_irq(host->mmc);

}

Exemplo n.º 2

Arquivo: mxs-mmc.c Projeto: MaxChina/linux

static int mxs_mmc_get_cd(struct mmc_host *mmc)
{
	struct mxs_mmc_host *host = mmc_priv(mmc);
	struct mxs_ssp *ssp = &host->ssp;
	int present, ret;

	if (host->broken_cd)
		return -ENOSYS;

	ret = mmc_gpio_get_cd(mmc);
	if (ret >= 0)
		return ret;

	present = !(readl(ssp->base + HW_SSP_STATUS(ssp)) &
			BM_SSP_STATUS_CARD_DETECT);

	if (mmc->caps2 & MMC_CAP2_CD_ACTIVE_HIGH)
		present = !present;

	return present;
}