modinfo

the modinfo command displays information about one or more modules.

Ex:

/sbin/modinfo floppy
filename: /lib/modules/2.6.24-21-generic/kernel/drivers/block/floppy.ko
alias: block-major-2-*
license: GPL
author: Alain L. Knaff
srcversion: 82A3853812A05EA35470909
depends:
vermagic: 2.6.24-21-generic SMP mod_unload 586
parm: floppy:charp
parm: FLOPPY_IRQ:int
parm: FLOPPY_DMA:int