REG_MB_TXD_WR_IDX
regs_buff[35] = ATL2_READ_REG(hw, REG_MB_TXD_WR_IDX);
ATL2_WRITE_REGW(hw, REG_MB_TXD_WR_IDX, (u16)adapter->txd_write_ptr);
ATL2_WRITE_REGW(&adapter->hw, REG_MB_TXD_WR_IDX,