On Mon, Mar 17, 2014 at 6:36 AM, Ivan Kozic <[email protected]> wrote: > Hi John, > > I've only found it here: > > https://github.com/qubir/PhoenixA20_linux_sourcecode/tree/master/drivers/media/video/
It is somewhere on the download server: http://dl.linux-sunxi.org/ > > but this is not even forked from anywhere. Also it seems to be a normal > linux source - although, as far as I can see, both android and linux kernels > are integrated into this source. > Although I have no experience with Android at all, so I might be wrong. > > I will either try to build this one, or just update my own CSI driver with > the files from here, although that might not be a good idea, but I'll try > either way. > > If you remember where you've got the files from at some point, please post > back - I don't like forking unknown kernel sources, and this qubir one seems > half-legit somehow... > > On Monday, March 17, 2014 2:36:56 AM UTC+1, Jon Smirl wrote: >> >> On Sun, Mar 16, 2014 at 6:52 PM, Ivan Kozic <[email protected]> wrote: >> > Hi John - could you give me a link to this Android tree? I seem to have >> > difficulties finding it on GitHub... >> >> It is in one of the sunxi download directories. I forgot which one I >> got it from. Maybe the Olimex directory. >> >> It is 4.2GB file. >> >> > >> > >> > On Sat, Mar 15, 2014 at 4:35 PM, [email protected] <[email protected]> >> > wrote: >> >> >> >> On Sat, Mar 15, 2014 at 11:29 AM, Ivan Kozic <[email protected]> wrote: >> >> > Hi John, >> >> > >> >> > Wow thanks - this looks quite cool - it seems that they've started >> >> > working >> >> > on YUV422 16bit and CCIR656 as well. May I ask where did you find the >> >> > driver? >> >> >> >> It is from the current Allwinner Android tree. The CSI driver in sunxi >> >> is about two years old. >> >> >> >> sunxi kernel needs to be updated to use this driver. >> >> >> >> > One crucial file is missing - sun4i_csi_core.h or sunxi_csi_core.h I >> >> > guess, >> >> > as it's not for A10 anymore. >> >> > >> >> > >> >> > On Saturday, March 15, 2014 1:37:13 AM UTC+1, Jon Smirl wrote: >> >> >> >> >> >> I copied from the A10 manual. >> >> >> >> >> >> Here's a more recent driver.... >> >> >> >> >> >> On Fri, Mar 14, 2014 at 7:36 PM, Ivan Kozic <[email protected]> >> >> >> wrote: >> >> >> > Hi John - just saw your post. I think you're looking at a wrong >> >> >> > document, as >> >> >> > for A20, the register setting 100 for bits 22:20 is YUV422 16bit - >> >> >> > it's >> >> >> > written in the A20 User Manual on page 371. The problem is in fact >> >> >> > this >> >> >> > very >> >> >> > vague information in the User Manual - it's almost useless. This >> >> >> > is >> >> >> > why >> >> >> > I'm >> >> >> > asking for help from someone who maybe knows the kernel a bit more >> >> >> > - >> >> >> > for >> >> >> > instance, I'm not even sure which DMA is used for transfers from >> >> >> > CSI >> >> >> > to >> >> >> > memory, because I have to figure it out from the driver. >> >> >> > >> >> >> > I'm also not sure where to search for the driver or more help. >> >> >> > This >> >> >> > group >> >> >> > seems most professional of all by far - I have tried to contact >> >> >> > Allwinner, >> >> >> > but to no avail so far. As for sunxi kernel and drivers, I only >> >> >> > know >> >> >> > of >> >> >> > the >> >> >> > Git branch, but noone there has touched CSI driver for 8 months. >> >> >> > Although I >> >> >> > did always look in the 3.4 branch, maybe I should check out >> >> >> > mainline... >> >> >> > >> >> >> > Anyway, I'll search for the actual solution myself and if I find >> >> >> > it >> >> >> > post >> >> >> > back - If anyone can speed me up, I'll be most grateful. >> >> >> > >> >> >> > >> >> >> > On Saturday, March 15, 2014 12:01:41 AM UTC+1, Jon Smirl wrote: >> >> >> >> >> >> >> >> I haven't tried any of this... >> >> >> >> >> >> >> >> Look like you would set the input format... >> >> >> >> >> >> >> >> 22:20 R/W 3 INPUT_FMT >> >> >> >> Input data format >> >> >> >> 000: RAW stream >> >> >> >> 001: reserved >> >> >> >> 010: CCIR656(one channel） >> >> >> >> 011: YUV422 >> >> >> >> 100: YUV444（{R, B, G} or {Pr, Pb, Y}） >> >> >> >> >> >> >> >> When the input format is set YUV444 >> >> >> >> 1100: field planar YUV 444 >> >> >> >> 1101: field planar YUV 422 UV combined >> >> >> >> 1110: frame planar YUV 444 >> >> >> >> 1111: frame planar YUV 422 UV combined >> >> >> >> >> >> >> >> The the output format is always 24b, right? >> >> >> >> >> >> >> >> You're going to have to read the user manual. I don't believe >> >> >> >> anyone >> >> >> >> has played with this before. But it looks like the hardware >> >> >> >> supports >> >> >> >> it. >> >> >> >> >> >> >> >> Also - the CSI driver in the sunxi tree is quite old. First thing >> >> >> >> I'd >> >> >> >> do is update it using the most recent Allwinner CSI driver we can >> >> >> >> locate. You might even get lucky and the newer Allwinner drivers >> >> >> >> could >> >> >> >> support 16b. >> >> >> >> >> >> >> >> >> >> >> >> On Fri, Mar 14, 2014 at 3:57 PM, Martin Collins >> >> >> >> <[email protected]> >> >> >> >> wrote: >> >> >> >> > On 2014-03-14 10:42, Ivan Kozic wrote: >> >> >> >> >> >> >> >> >> >> If someone knows something, please share - if I had some more >> >> >> >> >> documentation, I would have probably already made the whole >> >> >> >> >> thing >> >> >> >> >> work, >> >> >> >> > >> >> >> >> > I don't know anything, but by chance I was looking here today: >> >> >> >> > http://dl.linux-sunxi.org/A10/ >> >> >> >> > My impression was that there is an 8 bit channel and a 24 bit >> >> >> >> > channel. >> >> >> >> > So perhaps it won't do 16 bits? >> >> >> >> > >> >> >> >> > Martin >> >> >> >> > >> >> >> >> > -- >> >> >> >> > You received this message because you are subscribed to the >> >> >> >> > Google >> >> >> >> > Groups "linux-sunxi" group. >> >> >> >> > To unsubscribe from this group and stop receiving emails from >> >> >> >> > it, >> >> >> >> > send >> >> >> >> > an email to [email protected]. >> >> >> >> > For more options, visit https://groups.google.com/d/optout. >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> -- >> >> >> >> Jon Smirl >> >> >> >> [email protected] >> >> >> > >> >> >> > -- >> >> >> > You received this message because you are subscribed to the Google >> >> >> > Groups >> >> >> > "linux-sunxi" group. >> >> >> > To unsubscribe from this group and stop receiving emails from it, >> >> >> > send >> >> >> > an >> >> >> > email to [email protected]. >> >> >> > For more options, visit https://groups.google.com/d/optout. >> >> >> >> >> >> >> >> >> >> >> >> -- >> >> >> Jon Smirl >> >> >> [email protected] >> >> > >> >> > -- >> >> > You received this message because you are subscribed to the Google >> >> > Groups >> >> > "linux-sunxi" group. >> >> > To unsubscribe from this group and stop receiving emails from it, >> >> > send >> >> > an >> >> > email to [email protected]. >> >> > For more options, visit https://groups.google.com/d/optout. >> >> >> >> >> >> >> >> -- >> >> Jon Smirl >> >> [email protected] >> >> >> >> -- >> >> You received this message because you are subscribed to a topic in the >> >> Google Groups "linux-sunxi" group. >> >> To unsubscribe from this topic, visit >> >> https://groups.google.com/d/topic/linux-sunxi/vU5-3Pc3iOs/unsubscribe. >> >> To unsubscribe from this group and all its topics, send an email to >> >> [email protected]. >> >> >> >> For more options, visit https://groups.google.com/d/optout. >> > >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups >> > "linux-sunxi" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> > an >> > email to [email protected]. >> > For more options, visit https://groups.google.com/d/optout. >> >> >> >> -- >> Jon Smirl >> [email protected] > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- Jon Smirl [email protected] -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. 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