MCTL_MAIN_EN
writel(0, dsi->regs + MCTL_MAIN_EN);
val = readl(dsi->regs + MCTL_MAIN_EN) & ~IF_EN(input->id);
writel(val, dsi->regs + MCTL_MAIN_EN);
writel(val, dsi->regs + MCTL_MAIN_EN);
tmp = readl(dsi->regs + MCTL_MAIN_EN) | IF_EN(input->id);
writel(tmp, dsi->regs + MCTL_MAIN_EN);