MB862XX_BASE
#define MB862XX_L1_GET_CFG _IOR(MB862XX_BASE, 0, struct mb862xx_l1_cfg*)
#define MB862XX_L1_SET_CFG _IOW(MB862XX_BASE, 1, struct mb862xx_l1_cfg*)
#define MB862XX_L1_ENABLE _IOW(MB862XX_BASE, 2, int)
#define MB862XX_L1_CAP_CTL _IOW(MB862XX_BASE, 3, int)