Display Controller Register Guide

= Display register guide =

Overview
Sunxi display registers are formed from 8-10 different register sets: BE0, BE1, FE0, FE1, LCD0, LCD1, TVEC0, TVEC1, HDMI and IEP. Display module also has dependencies to [CCMU], [SDRAM], [PIOC] and [PWM] registers

FE Registers(Video FrontEnd)
Base address: 0x01e00000 or 0x01e20000

BE Registers(Video BackEnd)
Base address: 0x01e60000 or 0x01e40000

LCD Registers
Base address: 0x01c0c000 or 0x01c0d000

TVEC Registers
Base address: 0x01c0a000 or 0x01c1b000

HDMI Registers
Base address: 0x01c16000

HDMI_INT_CTRL
Default value: Unknown

Offset: 0x04

HDMI_CEC
Default value: Unknown

Offset: 0x214

The register is called HPD_CEC in A20 manual

IEP Registers
Base address: 0x01e70000