IPU_INT_CTRL
ipu_cm_write(ipu, 0, IPU_INT_CTRL(i / 32));
ct->regs.mask = IPU_INT_CTRL(i / 32);
ipu_cm_read(ipu, IPU_INT_CTRL(i)));
status &= ipu_cm_read(ipu, IPU_INT_CTRL(regs[i]));