diff --git a/WHENCE b/WHENCE
index 66c51b27..57002cde 100644
--- a/WHENCE
+++ b/WHENCE
@@ -339,3 +339,13 @@ Licence: Allegedly GPLv2+, but no source visible. Marked:
 Found in hex form in kernel source.
 
 --------------------------------------------------------------------------
+
+Driver: CASSINI - Sun Cassini
+
+File: sun/cassini.bin
+
+Licence: Unknown
+
+Found in hex form in kernel source.
+
+--------------------------------------------------------------------------
diff --git a/sun/cassini.bin b/sun/cassini.bin
new file mode 100644
index 00000000..c8cdfad0
Binary files /dev/null and b/sun/cassini.bin differ