IPU_PRE_CTRL
writel(0, pre->regs + IPU_PRE_CTRL);
writel(val, pre->regs + IPU_PRE_CTRL);
writel(IPU_PRE_CTRL_SFTRST, pre->regs + IPU_PRE_CTRL);
pre->cur.ctrl = readl(pre->regs + IPU_PRE_CTRL);
pre->regs + IPU_PRE_CTRL);
pre->regs + IPU_PRE_CTRL);
return !!(readl_relaxed(pre->regs + IPU_PRE_CTRL) &