IRC log for #neo900 on 20150111

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03:01.34uhhimhereso just wondering
03:01.51uhhimheredid the old n900 have a dts for its hardware?
03:33.47Oksanadts ?
03:36.09uhhimherenvm : http://elinux.org/N900#Kernel_Status
03:36.13uhhimheredevice tree source
03:36.21uhhimherethats good that its almost all there
04:07.36DocScrutinizer05I think the N900 maemo kernel was pre-DT
04:27.34MonkeyofDoomhaha
04:27.36MonkeyofDoomway pre-DT
04:28.01MonkeyofDoomI'm running upstreamish 3.8 at which point I think it n900 wasn't DT-ready
04:28.45MonkeyofDoom-it
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05:10.30DocScrutinizer05iirc freemangordon made DT "work" only with 3.12 plusminus a few
05:11.56DocScrutinizer05IroN900:~# uname -a
05:11.58DocScrutinizer05Linux IroN900 2.6.28-omap1 #1 PREEMPT Fri Aug 6 11:50:00 EEST 2010 armv7l GNU/Linux
05:20.33uhhimhereso will the neo900 have a dts
05:20.56uhhimhereso that users can compile whatever vanilla they want
05:20.58uhhimherefor fun
05:22.07DocScrutinizer05ask freemangordon, for example
05:22.40DocScrutinizer05you know, Neo900 ships without much of a OS anyway. Up to community to port whaever OS they like to have on it
05:23.50DocScrutinizer05but yes, the FPTF is aiming at running kernel >3.1x on Neo900, I'm not sure how it will pan out for maemo but it will provide your DTS for sure
05:23.58DocScrutinizer05~fptf
05:23.58infoboti guess fptf is the Fremantle Porting Task Force, see http://talk.maemo.org/showthread.php?t=91308
05:26.35uhhimherealso out of curiosity why go with a powervr based SoC when more readily hacked gpu alternatives like vivante and adreno exist
05:26.50uhhimhereis it availability
05:38.29uhhimherealso the mali ones are there as well
05:38.47DocScrutinizer05dang, where's our faq#why_omap3
05:39.54uhhimherehttp://neo900.org/faq#touch
05:39.57uhhimherefound it
05:39.59uhhimherestill
05:40.06DocScrutinizer05http://pandoralive.info/?p=2808
05:40.31DocScrutinizer05and rather http://neo900.org/faq#cpu
05:41.23DocScrutinizer05which actually has the comprehensive set of reasons to stay with OMAP3
05:45.14DocScrutinizer05OMAP4 is pretty much deprecated by me since it has SiErr I don't want to work around in hardware. And it's already unclear if it would be really sw-compatible on a binary level to N900
05:45.43DocScrutinizer05OMAP5 is actually too large to get it fit into Neo900
05:46.22uhhimherei understand the whole SoCs arent OTS
05:46.35DocScrutinizer05and any non-OMAP architecture is a complete nogo when we wanna stay compatible
05:46.36uhhimherebut dont they have surplus?
05:46.48uhhimherethese companies of past generation SoCs?
05:46.54DocScrutinizer05huh?
05:47.06uhhimherei dont know lying around in a warehouse somewhere
05:47.16uhhimhereobviously they dont make just enough
05:47.23DocScrutinizer05what are you talking about?
05:47.26uhhimheresurplus
05:47.32DocScrutinizer05of what?
05:47.34uhhimhereSoCs
05:47.42DocScrutinizer05errr
05:47.46uhhimherefrom past generation
05:48.01DocScrutinizer05you want a OMAP2?
05:48.41uhhimhereno
05:49.03uhhimherebut neither do i want quadcore superflex snapkrait with duplexing gigaflops
05:49.25DocScrutinizer05then you should be happy with OMAP3, no?
05:49.39uhhimherebut i could also be happy with the rbpi processor
05:50.03uhhimhereagain because of the open documentation of the GPU
05:50.07uhhimherepeople could work on it
05:50.28DocScrutinizer05well, people could work with Neo900 without even using the GPU
05:50.35uhhimhereaws talking to a guy last night on rbpi dev
05:50.55uhhimherethinks the rbpi v3d has 192 cores
05:51.14DocScrutinizer05and we actually have 2D drivers, only 3D is closed source, though recently leaked
05:51.34DocScrutinizer05we're not interested in the number of GPU cores
05:52.11DocScrutinizer05we're perfectly happy when the closed blob GPU driver of maemo works on Neo900
05:54.37uhhimhereim not talking leaked see page 89-90 : http://www.broadcom.com/docs/support/videocore/VideoCoreIV-AG100-R.pdf
05:54.59DocScrutinizer05http://neo900.org/faq#gfx
05:55.23DocScrutinizer05I'm not talking about broadcom. The name alone makes me shudder
05:57.02DocScrutinizer05please understand that our choice of SoC was not because of but rather despite of the the GPU it comes with
05:57.25DocScrutinizer05we had other criteria to choose our SoC
05:58.02uhhimhereyeah compatibility wise i suppose it shouldnt be a problem since theyre bot ARM
05:58.28uhhimherei know availability is a main concern
05:58.37uhhimherebecause SoCs arent OTS
05:59.13DocScrutinizer05when you think SWoC == CPU + GPU, you're quite mistaken
05:59.24DocScrutinizer05and no idea what's OTS
05:59.28uhhimhereoff the shelf
05:59.54DocScrutinizer05again, please read http://neo900.org/faq#cpu
05:59.59DocScrutinizer05nothing to add to this
06:00.31ds2just a wild ass, not thought out idea - how painful powerwise is it to use one of those FPGA w/Cortex A cores?
06:01.08DocScrutinizer05generaly FPGA are power hogs
06:01.12uhhimhereDocScrutinizer05: thats great and all then question is why even bother messing with the SoC... just keep the old one
06:01.42ds2i know in general...but is one of those FPGA w/hard cores akin to using an Allwinner SoC or is it magnitudes worse then that
06:01.50DocScrutinizer05why keep the old one when we can use a faster one while staying 100% compatible?
06:01.52ds2a FPGA would solve some of the GPU issues
06:02.10ds2and SoCs ARE OTS
06:02.17uhhimherebecause its not that much faster, and compatibility is theoretical
06:02.32uhhimhereonly allwinner
06:02.33DocScrutinizer05ohmy
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06:03.09DocScrutinizer05go buy a OMAP3530 then. GTA04 using DM3730. Period
06:03.10ds2did I hear someone claiming compatibility between the DM3730 and the OMAP3430 is only theoretical?
06:03.29DocScrutinizer05yeah ;-P
06:03.46uhhimherewell until something is actually implemented it is theoretical isnt it
06:03.49ds2I don't have a cluebat big enough to address that one....
06:04.22DocScrutinizer05I ran binaries from N900 on N950/N9 - both have OMAP3730
06:04.27ds2if you design the board right, you can just swap those 2 chips around
06:04.33DocScrutinizer05or 3630, who knows
06:05.03DocScrutinizer05ds2: thanks!
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06:05.21ds2IIRC, the key thing is a few bypass caps
06:05.28DocScrutinizer05yep
06:06.04uhhimhereds2: are there any non allwinners that are ots?
06:06.08ds2what I am curious is - how are you handling the MIPI stuff?
06:06.22ds2uhhimhere: virtually all SoCs re OTS
06:07.15DocScrutinizer05MIPI? as in SSI/HSI, camera, that crap?
06:08.06ds2that and the display
06:08.16ds2IIRC, the N900 uses MIPI for the display
06:08.17uhhimhereds2: which shelf?
06:08.19DocScrutinizer05there are crappy specs publicly available. There are linux drivers available, there are application notes / schematics available
06:08.31ds2public app notes?
06:08.48ds2official docs are lacking, IIRC unless that has change in the last year or so
06:08.57DocScrutinizer05well, schematics, like BB, N900, etc
06:09.14ds2ah. gotcha
06:09.51DocScrutinizer05the display stuff of N900 will be what we use in Neo900 pretty much 100% cloned
06:10.20ds2oh...not crossing the bridge when the N900 displays dry up?
06:10.25DocScrutinizer05proto_v2 for testing this - among others
06:10.31ds2'k
06:10.48DocScrutinizer05N900 displays are not that unique like they seem to be
06:12.21DocScrutinizer05and there's a number of other displays people connected to OMAP3 successfully
06:12.37DocScrutinizer05not suggesting we could use them in Neo900
06:12.52DocScrutinizer05just saying video bus isn't a miracle
06:13.20DocScrutinizer05despite MIPI pita
06:14.38DocScrutinizer05actually I think the OMAP TRM should have sufficient info to connect any compatible display to the SoC, without referencing to any unobtainium MIPI specs
06:16.35DocScrutinizer05what really hurts is OMAP3's lack of a decent digital secondary video bus, for external video
06:16.46DocScrutinizer05only this CVBS signal
06:17.19DocScrutinizer05if it at least was RGB
06:17.40DocScrutinizer05but noooo, they mix it chip-internal
06:18.26DocScrutinizer05S-Video is as good as it gets with this stuff
06:19.23DocScrutinizer05for anything beyond, we need to choose between internal and external display, mutually
06:20.38DocScrutinizer05and in this dmain the chips we could use are really a PITA
06:20.43DocScrutinizer05doman*
06:20.49DocScrutinizer05dang
06:21.27DocScrutinizer05digital video is infested with NDA and royalties
06:21.38DocScrutinizer05and vaporware chips
06:22.06DocScrutinizer05.
06:22.09DocScrutinizer05o/ n8
06:35.45uhhimhereds2: so where can I buy a single non-allwinner SoC
06:35.49uhhimherewhich shelf
06:37.33DocScrutinizer05digikey
06:37.43DocScrutinizer05mouser
06:37.57DocScrutinizer05arrow
06:39.05DocScrutinizer05or, for the more recent ones, you need to find the subcontractors that got support by the big guys to build modules with the SoC
06:39.30DocScrutinizer05you can't buy a OMAP5 chip, only modules
06:41.33uhhimherethey only have FPGA modules
06:41.44uhhimherei dont want to build an arm core
06:41.59uhhimherei want say an OM3730 or whatever
06:42.10uhhimherethats what i mean ots
06:43.23uhhimherewhatever youre talking about
06:43.27uhhimherewhere can i buy it
06:43.32uhhimhereother than the allwinner
06:44.05DocScrutinizer05http://www.ti.com/product/DM3730/samplebuy check the "Buy from authorized distributor" column
06:45.08uhhimherehey they got surplus units
06:45.10uhhimherecool
06:45.10DocScrutinizer05https://octopart.com/partsearch#!?q=dm3730&start=0&limit=10
06:45.36DocScrutinizer05now n8
06:47.55uhhimhereso what was ED complaining about on his website?
06:48.18uhhimherehttp://pandoralive.info/?p=2808
06:48.27uhhimheretheyre obviously readily accessible
06:50.02DocScrutinizer05*sigh*
06:50.23DocScrutinizer05he wasn't looking for an OMAP3
06:51.09DocScrutinizer05try find an OMAP5 and you might understand what's written on that page
06:51.30uhhimhereso why isnt omap5 available ?
07:06.17DocScrutinizer05>>They explained to me that in order to be able to use the Tegra, I need to let the hardware be designed and produced by a contracted partner [of their choice]. <<
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11:51.37uhhimhereso will the neo900 have the ability to put out hdmi?
11:52.02uhhimherejust to save cables on both the a & v
11:52.10uhhimhereso much easier to have just 1x output
11:56.52kerioin all likelyhood, no
11:57.13uhhimherewhy not?
11:58.17uhhimherejust wont fit into the theme of keeping it the same as the n900?
12:02.28keriobecause there's no digital video ut
12:02.29kerioout
12:03.54uhhimherewhat would it take to have digital video out( i know this isnt even standard on newer phones but then again video out isnt even standard)
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12:19.53sixwheeledbeastWhy have a digital out on a device with 800x480?
12:21.18uhhimherewell the digital out res wouldnt be tied to the lcd input
12:21.28uhhimhereit would be whatever the silicon could handle
12:23.59uhhimhereand based on this : http://www.ti.com/product/dm3730
12:24.02uhhimhere720p
12:26.48DocScrutinizer05[2015-01-11 Sun 07:16:35] <DocScrutinizer05> what really hurts is OMAP3's lack of a decent digital secondary video bus, for external video
12:26.50DocScrutinizer05...
12:27.03DocScrutinizer05[2015-01-11 Sun 07:19:22] <DocScrutinizer05> for anything beyond, we need to choose between internal and external display, mutually
12:27.27uhhimherebut i thought this wasnt an OMAP3 SoC/
12:27.45DocScrutinizer05dunno what you thought
12:28.18uhhimhereok so the DM3730 is an OMAP 3
12:30.48uhhimhereok so youre saying neo900 doesnt have HDMI because it was decided that having to switch one off while the other is on is not acceptable?
12:31.47DocScrutinizer05[2015-01-11 Sun 07:20:38] <DocScrutinizer05> and in this domain the chips we could use are really a PITA <DocScrutinizer05> digital video is infested with NDA and royalties
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12:35.10DocScrutinizer05http://talk.maemo.org/showthread.php?p=1405134#post1405134
12:39.36uhhimherethese guys seem to be able to get away with it at a $150 pricepoint : https://en.wikipedia.org/wiki/GCW_Zero
12:39.47uhhimherei know its not a phone
12:39.54uhhimherebut its still a community sourced device
12:43.39DocScrutinizer05so?
12:44.05uhhimhereso what are they doing to keep royalties down
12:44.28uhhimherefind that out and maybe it could be viable
12:45.17DocScrutinizer05maybe you tell us?
12:46.30uhhimherelol ok so pride is the reason
12:46.36uhhimherefair enough
12:49.35keriowat
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12:50.31DocScrutinizer05http://www.ingenic.cn/en/?product/id/5.html
12:50.59DocScrutinizer05sorry when i'm not interested in wasting more time on somebody who refuses to contribute
12:52.05uhhimheredigital video is infested with NDA and royalties
12:52.51uhhimhereso youre saying just by going with MIPS theyve manage tocircumvent royalties?
12:53.19uhhimhereand NDAs?
12:53.30uhhimherecome on
13:02.04DocScrutinizer05I shared fine links to comprehensive dicussion and latest info on the topic. When you're not wlling to read, don't expect spoonfeeding
13:03.11DocScrutinizer05and honestly I'm feeling like wasting my time
13:05.22uhhimhereim just saying forwarding a 227 page thread as an answer isnt really an answer
13:06.27uhhimherehow much more would the neo900 cost with HDMI out
13:07.41uhhimherefrom what youve said the issue is having to choose between the onscreen display and digital out
13:07.46uhhimherefor the DM implementation
13:07.50uhhimherewhich i think is fine
13:21.44DocScrutinizer05you're just saying that you're too lazy to read the very post and follow-ups dealing with exactly this topic, in an admittedly long thread. Sorry I'm out
13:23.05DocScrutinizer05either that or your browser is too stupid to jump to http://talk.maemo.org/showthread.php?p=1405134#post1405134 instead of http://talk.maemo.org/showthread.php?t=91142
13:23.39DocScrutinizer05either way, I'm out. I don't feel like taking bashing and offensive arguing
13:24.17DocScrutinizer05with somebody who doesn't even care to find out what's DM3730
13:25.43DocScrutinizer05sorry when I assume you're not, and prolly never will be, a customer of Neo900, since the device quite obviously isn't up to your requirements
13:27.16uhhimherewhat requirements i have an n900 and its a good device, always wished for it to have digital out
13:29.17uhhimherenever thought it was that slow or anything especially since you could overclock it
13:29.35uhhimhereand i am really excited for a neo900
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13:48.30uhhimhereDocScrutinizer05: alright i talked to the devs over at gcw and it seems none of them know anything about the hardware, everything was reverse engineered
13:48.40uhhimherethey have no cad files etc
13:49.00uhhimherethey just went to the factory said this is what we want and got a pcb prototyped
14:05.44uhhimhereand btw i will buy it if it comes out
14:16.02uhhimhereas long as everything about the hardware designs made open
14:16.06uhhimherecad schems etc
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15:11.11OpenbotJust a wild idea : today i repaired a chineese tablet (mtk) and was surprised to find 2 cpu's inside though i am  not sure about that as it might be a gpu but it was written mediatek as in soc's i see genrelly
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15:12.47OpenbotIs it a coprocesser compensating for somethimg or booster and can the neo have something like that
15:13.25OpenbotKauboik_;)
15:14.16mvaenskaeOpenbot: maybe a picture/part number would clear up what the chip was :)
15:14.31Openbot\kabouik
15:15.04Openbot\kabouik_
15:15.20Kabouik_\Openbot.
15:16.01OpenbotThanx ;)
15:17.10OpenbotNa i had little time to fix the speakers doused in oil :p
15:17.39OpenbotMvaenskae^
15:19.49mvaenskaeOpenbot: but now you have plenty, right? :D
15:20.08OpenbotIt can be awsome if theres a second processor that can be used by apps videos if needed
15:21.00OpenbotMvaenskae ? I didnt get that rephrase pls :)
15:22.48OpenbotMvaenskae docscrutnizer05 can i /query you
15:25.04OpenbotAnybody i need help on my messed up irc acc
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15:39.19OpenbotMeh
15:39.34OpenbotI cant
15:40.13OpenbotTime tm query fire brigade
15:54.06OpenbotDone :D
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23:46.00OksanaGood morning. Did the 15 domesheets from Gerry arrive?
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