#define NV_PGRAPH_FECS_INTR_ACK 0x409004
#define NV_PGRAPH_FECS_INTR 0x409008
+#define NV_PGRAPH_FECS_INTR_FWMTHD 0x00000400
#define NV_PGRAPH_FECS_INTR_CHSW 0x00000100
#define NV_PGRAPH_FECS_INTR_FIFO 0x00000004
#define NV_PGRAPH_FECS_INTR_MODE 0x40900c