-#define ORB_DIRECTION_WRITE_TO_MEDIA 0x0
-#define ORB_DIRECTION_READ_FROM_MEDIA 0x1
-#define ORB_DIRECTION_NO_DATA_TRANSFER 0x2
-
-#define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31)
-#define ORB_SET_NOTIFY(value) ((value & 0x1) << 31)
-#define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */
-#define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16)
-#define ORB_SET_STATUS_FIFO_HI(value, id) (value >> 32 | ORB_SET_NODE_ID(id))
-#define ORB_SET_STATUS_FIFO_LO(value) (value & 0xffffffff)
-#define ORB_SET_DATA_SIZE(value) (value & 0xffff)
-#define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16)
-#define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19)
-#define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20)
-#define ORB_SET_SPEED(value) ((value & 0x7) << 24)
-#define ORB_SET_DIRECTION(value) ((value & 0x1) << 27)
+#define ORB_DIRECTION_WRITE_TO_MEDIA 0x0
+#define ORB_DIRECTION_READ_FROM_MEDIA 0x1
+#define ORB_DIRECTION_NO_DATA_TRANSFER 0x2
+
+#define ORB_SET_NULL_PTR(v) (((v) & 0x1) << 31)
+#define ORB_SET_NOTIFY(v) (((v) & 0x1) << 31)
+#define ORB_SET_RQ_FMT(v) (((v) & 0x3) << 29)
+#define ORB_SET_NODE_ID(v) (((v) & 0xffff) << 16)
+#define ORB_SET_STATUS_FIFO_HI(v, id) ((v) >> 32 | ORB_SET_NODE_ID(id))
+#define ORB_SET_STATUS_FIFO_LO(v) ((v) & 0xffffffff)
+#define ORB_SET_DATA_SIZE(v) ((v) & 0xffff)
+#define ORB_SET_PAGE_SIZE(v) (((v) & 0x7) << 16)
+#define ORB_SET_PAGE_TABLE_PRESENT(v) (((v) & 0x1) << 19)
+#define ORB_SET_MAX_PAYLOAD(v) (((v) & 0xf) << 20)
+#define ORB_SET_SPEED(v) (((v) & 0x7) << 24)
+#define ORB_SET_DIRECTION(v) (((v) & 0x1) << 27)