Device driver for a Philips PCF8833.
This is typically used in Nokia 6110 displays, There are lots of 6110 clone displays knocking about the net. If you get an LCD from Olimex with a "GE12" sticker on it, then your display uses the PCF8833 controller and if it has a "GE8" sticker on it then it uses the S1D15G00 controller.
|pcf8833_setup_begin_bus||Start driver initialization (bus)|
|pcf8833_setup_begin_spi||Start driver initialization (SPI)|
|pcf8833_setup_end||Complete driver initialization|