ATI Rage 128

modulename: r128.ko

configname: CONFIG_DRM_R128

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>ATI Rage 128
In linux kernel since version 2.6.12  
Choose this option if you have an ATI Rage 128 graphics card. If M
is selected, the module will be called r128. AGP support for
this card is strongly suggested (unless you have a PCI version).

source code:
drivers/char/drm/