fas_stat2
#define FIFO_EMPTY(fas) (fas_reg_read(fas, &fas->f_reg->fas_stat2) & \
fas->f_stat2 = fas_reg_read(fas, &fasreg->fas_stat2);
(uchar_t *)&fasreg->fas_stat2);
(uchar_t *)&fasreg->fas_stat2);
fas->f_stat2 = fas_reg_read(fas, &fasreg->fas_stat2);
fas_cnt, fasreg->fas_cmd, fasreg->fas_stat, fasreg->fas_stat2,