Show free SSD space after TRIM / UNMAP / Deallocate?

On my nvme ssd, smartctl -a /dev/nvme0n1 reports

Number of Namespaces:               1
Namespace 1 Size/Capacity:          2.048.408.248.320 [2,04 TB]
Namespace 1 Utilization:            352.739.127.296 [352 GB]
Namespace 1 Formatted LBA Size:     512
Namespace 1 IEEE EUI-64:            002538 b211b408d5

I couldn't find a way to see this for sata ssds.