Hi Zhou, On Thursday 30 August 2012 10:20:22 Zhou Zhu wrote: > Added mmp display subsystem to support Marvell MMP display controllers. > > This subsystem contains 4 parts: > --fb folder > --core.c > --hw folder > --panel folder > > 1. fb folder contains implementation of fb. > fb get path and ovly from common interface and operates on these structures. > > 2. core.c provides common interface for a hardware abstraction. > Major parts of this interface are: > a) Path: path is a output device connected to a panel or HDMI TV. > Main operations of the path is set/get timing/output color. > fb operates output device through path structure. > b) Ovly: Ovly is a buffer shown on the path. > Ovly describes frame buffer and its source/destination size, offset, input > color, buffer address, z-order, and so on. > Each fb device maps to one ovly. > > 3. hw folder contains implementation of hardware operations defined by > core.c. It registers paths for fb use. > > 4. panel folder contains implementation of panels. > It's connected to path. Panel drivers would also regiester panels and linked > to path when probe. You might want to look at the generic panel framework RFC that I have posted recently (http://lwn.net/Articles/512363/). -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html