Example: framebuffer framework

• Kernel option CONFIG_FB

• Implemented in drivers/video/

• fb.c, fbmem.c, fbmon.c, fbcmap.c, fbsysfs.c, modedb.c, fbcvt.c

• Implements a single character driver and defines the user/kernel API

• First part of include/linux/fb.h

• Defines the set of operations a framebuffer driver must implement and helper functions for the drivers

• struct fb_ops
• Second part of include/linux/fb.h (in #ifdef __KERNEL__)