The driver for the SGI's Indy and I2 newport graphics cards is now maintained in Xorg's Git repository but the old page is still here.
Source Code
The source code is available via:
git clone git://anongit.freedesktop.org/xorg/driver/xf86-video-newport
Authors
The newport driver was written by Guido Günther <agx@sigxcpu.org> based on the newport Linux kernel framebuffer driver.