ADP_CTRL
cur_ctrl = readl(adp->fe + ADP_CTRL);
writel(cur_ctrl | ADP_CTRL_VBLANK_ON, adp->fe + ADP_CTRL);
cur_ctrl = readl(adp->fe + ADP_CTRL);
writel(cur_ctrl & ~ADP_CTRL_VBLANK_ON, adp->fe + ADP_CTRL);
int_ctl = readl(adp->fe + ADP_CTRL);
writel(ADP_CTRL_FIFO_ON, adp->fe + ADP_CTRL);