Section number Title Page
Chapter 4
AHB-to-APBH Bridge with DMA (APBH-Bridge-DMA)
4.1 Overview.......................................................................................................................................................................43
4.1.1 Hardware Operation.........................................................................................................................................43
4.1.2 Software Operation..........................................................................................................................................44
4.1.3 Source Code Structure.....................................................................................................................................44
4.1.4 Menu Configuration Options...........................................................................................................................45
4.1.5 Programming Interface....................................................................................................................................45
4.1.6 Usage Example................................................................................................................................................45
Chapter 5
Image Processing Unit (IPU) Drivers
5.1 Introduction...................................................................................................................................................................47
5.2 Hardware Operation......................................................................................................................................................48
5.3 Software Operation.......................................................................................................................................................49
5.3.1 Overview of IPU Frame Buffer Drivers..........................................................................................................50
5.3.1.1 IPU Frame Buffer Hardware Operation.............................................................................................51
5.3.1.2 IPU Frame Buffer Software Operation..............................................................................................51
5.3.1.3 Synchronous Frame Buffer Driver.....................................................................................................52
5.3.2 IPU Backlight Driver.......................................................................................................................................53
5.3.3 IPU Device Driver...........................................................................................................................................53
5.4 Source Code Structure .................................................................................................................................................54
5.4.1 Menu Configuration Options...........................................................................................................................55
5.5 Unit Test........................................................................................................................................................................58
5.5.1 Framebuffer Tests............................................................................................................................................59
5.5.2 Video4Linux API test......................................................................................................................................59
5.5.3 IPU Device Unit test........................................................................................................................................60
Chapter 6
MIPI DSI Driver
6.1 Introduction...................................................................................................................................................................65
6.1.1 Overview of MIPI DSI IP Driver.....................................................................................................................65
i.MX 6Dual/6Quad Linux Reference Manual, Rev. L3.0.35_4.1.0, 09/2013
Freescale Semiconductor, Inc. 5
