DFX_FIFO_CTRL_SIGNAL_SEL_OFF
#define DFX_FIFO_CTRL_SIGNAL_SEL_MSK (0xF << DFX_FIFO_CTRL_SIGNAL_SEL_OFF)
(signal_sel << DFX_FIFO_CTRL_SIGNAL_SEL_OFF));
val >>= DFX_FIFO_CTRL_SIGNAL_SEL_OFF;