replace spaces by tabs

Signed-off-by: Andreas Fenkart <andreas.fenkart@dev.digitalstrom.org>
create tvb_container subrange

Signed-off-by: Andreas Fenkart <andreas.fenkart@dev.digitalstrom.org>
factor out decode_dsm_api function

Signed-off-by: Andreas Fenkart <andreas.fenkart@dev.digitalstrom.org>
few renames

Signed-off-by: Andreas Fenkart <andreas.fenkart@dev.digitalstrom.org>
decode dsmapi call/modifier

Signed-off-by: Andreas Fenkart <andreas.fenkart@dev.digitalstrom.org>