C++ (Cpp) msenc_dmatrfcmd_r Exemples

Exemple #1

Fichier : msenc.c Projet : Lloir/nvidia-linux-3.10

static int msenc_dma_wait_idle(struct platform_device *dev, u32 *timeout)
{
    nvhost_dbg_fn("");

    if (!*timeout)
        *timeout = MSENC_IDLE_TIMEOUT_DEFAULT;

    do {
        u32 check = min_t(u32, MSENC_IDLE_CHECK_PERIOD, *timeout);
        u32 dmatrfcmd = host1x_readl(dev, msenc_dmatrfcmd_r());
        u32 idle_v = msenc_dmatrfcmd_idle_v(dmatrfcmd);

        if (msenc_dmatrfcmd_idle_true_v() == idle_v) {
            nvhost_dbg_fn("done");
            return 0;
        }

        udelay(MSENC_IDLE_CHECK_PERIOD);
        *timeout -= check;
    } while (*timeout);

    dev_err(&dev->dev, "dma idle timeout");

    return -1;
}

Exemple #2

Fichier : msenc.c Projet : Mrchenkeyu/android_kernel_zte_pluto

static int msenc_dma_pa_to_internal_256b(struct platform_device *dev,
		u32 offset, u32 internal_offset, bool imem)
{
	u32 cmd = msenc_dmatrfcmd_size_256b_f();
	u32 pa_offset =  msenc_dmatrffboffs_offs_f(offset);
	u32 i_offset = msenc_dmatrfmoffs_offs_f(internal_offset);
	u32 timeout = 0; /* default*/

	if (imem)
		cmd |= msenc_dmatrfcmd_imem_true_f();

	nvhost_device_writel(dev, msenc_dmatrfmoffs_r(), i_offset);
	nvhost_device_writel(dev, msenc_dmatrffboffs_r(), pa_offset);
	nvhost_device_writel(dev, msenc_dmatrfcmd_r(), cmd);

	return msenc_dma_wait_idle(dev, &timeout);

}