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.
