+#define PIUINT_COMMAND 0x0040
+#define PIUINT_DATA 0x0020
+#define PIUINT_PAGE1 0x0010
+#define PIUINT_PAGE0 0x0008
+#define PIUINT_DATALOST 0x0004
+#define PIUINT_STATUSCHANGE 0x0001
+
+extern void vr41xx_enable_piuint(uint16_t mask);
+extern void vr41xx_disable_piuint(uint16_t mask);
+
+#define AIUINT_INPUT_DMAEND 0x0800
+#define AIUINT_INPUT_DMAHALT 0x0400
+#define AIUINT_INPUT_DATALOST 0x0200
+#define AIUINT_INPUT_DATA 0x0100
+#define AIUINT_OUTPUT_DMAEND 0x0008
+#define AIUINT_OUTPUT_DMAHALT 0x0004
+#define AIUINT_OUTPUT_NODATA 0x0002
+
+extern void vr41xx_enable_aiuint(uint16_t mask);
+extern void vr41xx_disable_aiuint(uint16_t mask);
+
+#define KIUINT_DATALOST 0x0004
+#define KIUINT_DATAREADY 0x0002
+#define KIUINT_SCAN 0x0001
+
+extern void vr41xx_enable_kiuint(uint16_t mask);
+extern void vr41xx_disable_kiuint(uint16_t mask);
+
+#define DSIUINT_CTS 0x0800
+#define DSIUINT_RXERR 0x0400
+#define DSIUINT_RX 0x0200
+#define DSIUINT_TX 0x0100
+#define DSIUINT_ALL 0x0f00
+
+extern void vr41xx_enable_dsiuint(uint16_t mask);
+extern void vr41xx_disable_dsiuint(uint16_t mask);
+
+#define FIRINT_UNIT 0x0010
+#define FIRINT_RX_DMAEND 0x0008
+#define FIRINT_RX_DMAHALT 0x0004
+#define FIRINT_TX_DMAEND 0x0002
+#define FIRINT_TX_DMAHALT 0x0001
+
+extern void vr41xx_enable_firint(uint16_t mask);
+extern void vr41xx_disable_firint(uint16_t mask);
+
+extern void vr41xx_enable_pciint(void);
+extern void vr41xx_disable_pciint(void);
+
+extern void vr41xx_enable_scuint(void);
+extern void vr41xx_disable_scuint(void);
+
+#define CSIINT_TX_DMAEND 0x0040
+#define CSIINT_TX_DMAHALT 0x0020
+#define CSIINT_TX_DATA 0x0010
+#define CSIINT_TX_FIFOEMPTY 0x0008
+#define CSIINT_RX_DMAEND 0x0004
+#define CSIINT_RX_DMAHALT 0x0002
+#define CSIINT_RX_FIFOEMPTY 0x0001
+
+extern void vr41xx_enable_csiint(uint16_t mask);
+extern void vr41xx_disable_csiint(uint16_t mask);
+
+extern void vr41xx_enable_bcuint(void);
+extern void vr41xx_disable_bcuint(void);