On Fri, Aug 5, 2022 at 1:41 PM Yuji Ishikawa <yuji2.ishikawa@xxxxxxxxxxxxx> wrote: > > Hello Odded > > This is a sample (wip) driver for a DSP found on Toshiba Visconti SoC. > The DSP typically accepts some images, apply an algorithm on them and yields resulting one. > Therefore (image-in, image-out), they say this driver should be classified to media driver category. > However, it can handle various data format (wider than v4l2 officially supports) > if userland provide firmware (=algorithm) for its own. > > Yes, this rough implementation is the first step only our staff could go. > I'm not for sure whether we could carry out experiments earlier if we chose to use existing frameworks, > instead of writing our own routine for handling DMA-BUFs and interrupts. > I hope this post will help your case-study. > > Regards > Yuji Ishikawa > Thanks Yuji. I've gone over the IOCTLs and they seem fairly straightforward. I think that we will be able to accommodate at least part of them in the common code of an accel subsystem. Oded
