Hi Laurent, > -----Original Message----- > From: Laurent Pinchart [mailto:laurent.pinchart@xxxxxxxxxxxxxxxx] > Sent: Tuesday, March 01, 2011 3:11 PM > To: Bhupesh SHARMA > Cc: Guennadi Liakhovetski; linux-media@xxxxxxxxxxxxxxx > Subject: Re: isp or soc-camera for image co-processors > > Hi Bhupesh, > > On Tuesday 01 March 2011 08:25:12 Bhupesh SHARMA wrote: > > Hi Guennadi and Laurent, > > > > We are now evaluating another ST platform that supports a image > > co-processor between the camera sensor and the camera host (SoC). > > > > The simple architecture diagram will be similar to one shown below > > (for the sake of simplicity I show only a single sensor. At least > > two sensors can be supported by the co-processor): > > [snip] (as the ascii-art looks more like a Picasso painting with the > quote > characters) :( Despite my efforts to align it properly :) > > The co-processor supports a video progressing logic engine capable of > > performing a variety of operations like image recovery, cropping, > scaling, > > gamma correction etc. > > > > Now, evaluating the framework available for supporting for the camera > > host, sensor and co-processor, I am wondering whether soc- > camera(v4l2) can > > support this complex design or something similar to the ISP driver > written > > for OMAP is the way forward. > > I think this can be a good candidate for the media controller API. It > depends > on how complex the co-processor is and what kind of processing it > performs. I > suppose there's no public datasheet. > > You will probably need to enhance subdev registration, as I'm not aware > of any > existing use case such as yours where a chain of subdevs unknown to the > host > controller is connected to the host controller input. Could you please give me some documentation links for media controller API. Are there are reference drivers that I can use for my study? Unfortunately the data-sheet of the co-processor cannot be made public as of yet. Regards, Bhupesh -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
