DCB_ADDR_SHIFT
#define DCB_VC2 (0 << DCB_ADDR_SHIFT)
#define DCB_CMAP_ALL (1 << DCB_ADDR_SHIFT)
#define DCB_CMAP0 (2 << DCB_ADDR_SHIFT)
#define DCB_CMAP1 (3 << DCB_ADDR_SHIFT)
#define DCB_XMAP_ALL (4 << DCB_ADDR_SHIFT)
#define DCB_XMAP0 (5 << DCB_ADDR_SHIFT)
#define DCB_XMAP1 (6 << DCB_ADDR_SHIFT)
#define DCB_BT445 (7 << DCB_ADDR_SHIFT)
#define DCB_VCC1 (8 << DCB_ADDR_SHIFT)
#define DCB_VAB1 (9 << DCB_ADDR_SHIFT)
#define DCB_LG3_BDVERS0 (10 << DCB_ADDR_SHIFT)
#define DCB_LG3_ICS1562 (11 << DCB_ADDR_SHIFT)
#define DCB_RESERVED (15 << DCB_ADDR_SHIFT)