Turl changed the topic of #linux-sunxi to: Allwinner/sunxi development discussion - Don't ask to ask. Just ask and wait! - See http://linux-sunxi.org | https://github.com/linux-sunxi/ | Logs at http://irclog.whitequark.org/linux-sunxi
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<eagles0513875> hey all
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<parabyte> on the a13
<parabyte> i looked at the pinout
<parabyte> linux-sunxi.org/images/e/eb/A13_Datasheet.pdf
<parabyte> i have a junk tablet with broken display im playing with debian on it
<parabyte> how can i access its gpio's
<moofree> _very carefully_ ;)
<parabyte> haha
<parabyte> im trying to work out what pins they are on
<parabyte> im presuming they are shared with other stuff?
<parabyte> like the uart
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<parabyte> on another note i got some wonder media based android netbook obviously not a allwonder but i was wondering if anyone here got any idea what type of interface its keyboard may use
<parabyte> before i start taking it apart tomorrow
<parabyte> i do not have it here with me unfortunately
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<parabyte> what is the type of lcd interface the a13 using?
<parabyte> ;)
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<oliv3r> gooood morning
<JohnDoe_71Rus> HI
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<wens> hi
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<wens> so much to do
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<oliv3r> yeah :(
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<wens> fixing more of stmmac then sunxi glue
<oliv3r> sounds obvious, as it probably never was written to have other platform support
<wens> the DT and non-DT code paths are mixed together, have to do a lot more work to get phy node support
<wens> I'm worried about making it too complex
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<oliv3r> hno: i'm lurking over u-boot as to how to add ahci, wanna do it eventually, any good example driver to investigate? i found the ahci driver, but haven't found callbacks where you can do additional tasks required to init your specific controller
<oliv3r> hno: looks like the only board using ahci_init is highbank
<hno> oliv3r, not sure. #u-boot is probably a better place to ask.
<oliv3r> hno: :( well looks like not many platforms support it
<oliv3r> or do ahci yet
<hno> include/configs/MPC8572DS.h:#define CONFIG_SCSI_AHCI
<hno> include/configs/MPC8572DS.h:#ifdef CONFIG_SCSI_AHCI
<hno> include/configs/sbc8641d.h:#ifdef CONFIG_SCSI_AHCI
<hno> include/configs/sbc8641d.h:#undef CONFIG_SCSI_AHCI
<hno> include/configs/P2020DS.h:#define CONFIG_SCSI_AHCI
<hno> include/configs/P2020DS.h:#ifdef CONFIG_SCSI_AHCI
<hno> include/configs/MPC8610HPCD.h:#define CONFIG_SCSI_AHCI
<hno> include/configs/MPC8610HPCD.h:#ifdef CONFIG_SCSI_AHCI
<hno> include/configs/coreboot.h:#define CONFIG_SCSI_AHCI
<hno> include/configs/coreboot.h:#ifdef CONFIG_SCSI_AHCI
<hno> include/configs/MPC8641HPCN.h:#define CONFIG_SCSI_AHCI
<hno> include/configs/MPC8641HPCN.h:#ifdef CONFIG_SCSI_AHCI
<hno> include/configs/highbank.h:#define CONFIG_SCSI_AHCI
<hno> include/configs/highbank.h:#define CONFIG_SCSI_AHCI_PLAT
<hno> include/configs/MPC8544DS.h:#define CONFIG_SCSI_AHCI
<hno> include/configs/MPC8544DS.h:#ifdef CONFIG_SCSI_AHCI
<oliv3r> ok
<oliv3r> but
<oliv3r> git grep ahci_init
<oliv3r> shows me hardly any references
<hno> Maybe they are using dcw_ahsata?
<oliv3r> yeah was thinking that too;
<oliv3r> dcw_ahsata uses init_sata as entry point, the other one is ahci_init
<hno> nope... include/configs/m53evk.h:#define CONFIG_DWC_AHSATA
<hno> include/configs/m53evk.h:#define CONFIG_DWC_AHSATA_PORT_ID0
<hno> include/configs/mx53loco.h:#define CONFIG_DWC_AHSATA
<hno> include/configs/mx53loco.h:#define CONFIG_DWC_AHSATA_PORT_ID 0
<hno> include/configs/m53evk.h:#define CONFIG_DWC_AHSATA_BASE_ADDRSATA_BASE_ADDR
<hno> include/configs/mx53loco.h:#define CONFIG_DWC_AHSATA_BASE_ADDR SATA_BASE_ADDR
<hno> include/configs/nitrogen6x.h:#define CONFIG_DWC_AHSATA
<hno> include/configs/nitrogen6x.h:#define CONFIG_DWC_AHSATA_PORT_ID0
<hno> include/configs/nitrogen6x.h:#define CONFIG_DWC_AHSATA_BASE_ADDRSATA_ARB_BASE_ADDR
<hno> include/configs/ima3-mx53.h:#define CONFIG_DWC_AHSATA
<hno> include/configs/ima3-mx53.h:#define CONFIG_DWC_AHSATA_PORT_ID 0
<hno> include/configs/ima3-mx53.h:#define CONFIG_DWC_AHSATA_BASE_ADDR SATA_BASE_ADDR
<oliv3r> ok so there are two ahci/sata controller
<hno> dwc_ahsata uses ahci.
<oliv3r> ah ok confusing
<hno> Hm..no it doesn't. Just uses the same names. Can't have both.
<oliv3r> pfew, cause that's what I thoguht initially :p
<oliv3r> i just dont' see why there's the need for two
<oliv3r> doc/driver-model/UDM-block.txt
<oliv3r> first paragraph
<oliv3r> the sata driver interface sounds like it's the pre-ahci sata stuff, where each chipset had its own sata driver
<oliv3r> hno: hmm, ahci.c in the doc is noted as 'will be rewritten to new api' :S
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<nove> never thought this before, but the compiled android .a libraries, some what *works* in gnu/linux
<Wizzup> Did anyone get SPI to work?
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<nove> it works
<nove> got first jpeg encoder trace
<plaes> slow clap :)
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<nove> wingrime, libjpegenc.a compiled for android, works in armel gnu/linux, got a trace with a correct jpeg file, is similar to the h264 encoder
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<nove> ssvb, do libhybris allows to run armel binaries in an armhf root?
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<ssvb> nove: yes
<zoobab_> hi
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<nove> ssvb, just wondering if there is a way to link armel .a libraries into a armhf object
<libv> nove: what is the difference between armel and armhf?
<ssvb> libv: calling conventions for floating point function arguments
<libv> nove: figure that out, and you know why the answer will be no and no and no
<libv> ssvb: well duh.
<nove> libv, not really know
<nove> libv, ok ok
<ssvb> libv: ok, sorry, did not notice that it was a rhetorical question :)
<libv> ssvb: well duh. :p
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<ssvb> nove: libhybris provides its own loader for the shared libraries and also implements thunks for calling conventions translation when doing function calls
<libv> it must be "stating the bleeding obvious to libv" night again :p
<nove> libv, ssvb, maybe is not worth the trouble, let'a wait and see what allwinner will give with openmax cedar
<ssvb> nove: but a better question is why do you want to link this library?
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<libv> nove: what stops you from working with armel binaries in an armel installation?
<ssvb> nove: isn't just using armel rootfs enough for reverse engineering purposes?
<libv> nove: if the end result is going to be source code, what's the problem?
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<nove> libv, ssvb, nothing, yes armel is enough
<nove> libv, ssvb, only that if there easy to use binaries, maybe the people that can not wait for RE, would help in making usable players that could be used for tracing
<libv> nove: we've been on armhf for an awfully long time already
<libv> nove: just get on with the tracing and finnicking and don't worry
<nove> libv, ok
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<parabyte> hi
<parabyte> what sort of means apart from usb could i think about hooking up a ps2 keyboard to the a13
<hno> nove, to trace armel or even Android binaries on an armhf system you only need a small chroot for those applications.
<nove> hno, yes i am already use a chroot, i just was wondering if this could be made more easy
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<bsdfox> parabyte, I think you can use SPI in slave mode for a PS/2 keyboard
<parabyte> hmm im unsure if my spi is hooked up or not
<parabyte> im playing around with a tablet and wanna hack a keyboard into it via non usb means
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<bsdfox> parabyte, have you identified any GPIO?
<bsdfox> you can just poll the pins too if necessary
<parabyte> not yet only opened the board up earlier
<bsdfox> well, you'll need to find some stuff to play with before anyone can help you
<parabyte> i might get a dev board trying to find free pins on this thing is a nightmare
<bsdfox> I'd guess you will find i2c/spi and maybe a uart on board which could probably be used as gpio for a keyboard
<bsdfox> why don't you want to use usb though? definitely the easiest solution
<parabyte> i2c being used for the zet6221
<parabyte> i wanted to put the tablet on a hinge on a old clicky keyboard
<parabyte> no idea why lol
<parabyte> but there you go
<parabyte> ill be back when i know what is free and what is not free :) i also want to play with interfacing 8bit isa stuff with the a13!
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<bsdfox> parabyte, I would just try to wire something like this in there http://www.google.com/imgres?imgurl=http://upload.wikimedia.org/wikipedia/commons/6/63/Usb_to_ps_2_adapter_IMGP1414.jpg&imgrefurl=http://commons.wikimedia.org/wiki/File:Usb_to_ps_2_adapter_IMGP1414.jpg&h=1502&w=2000&sz=460&tbnid=T4xxVbw_ZEvnrM:&tbnh=96&tbnw=128&zoom=1&usg=__dUFwXEe3CpFb6JfU4SF1P7IA4wQ=&docid=MvHyy8bxi9aMHM&sa=X&ei=NyGqUo3nFIPwoAS96oHwAg&ved=0CG4Q9QEwBA
<parabyte> i do have one of those somewhere
<bsdfox> I'm not sure if there is any processing involved or if the data and clock are picked up on D+/D- nativelyh
<parabyte> i got 4 a13 boards i got for a really good price off ebay
<bsdfox> but identifying peripherals on the touchpad will be fun for other projects
<parabyte> broken displays
<parabyte> ;)
<parabyte> i got 1 good display i swap around!
<parabyte> all the interrupts are free on the board i think
<parabyte> i need to unscrew it from the casing and take a good look both sides
<bsdfox> all the interrupts?
<parabyte> let me sign off this go into my workshop and try and take a closeup photo
<parabyte> to demo what i am trying to say :)
<parabyte> brb
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<[7]> hm... any hints how I could keep the resistive touch panel awake during LCD sleep and make a touch wake up android? :)
<bsdfox> [7], that might require some kernel module changes
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<[7]> bsdfox: actually I'd prefer to mess with the kernel rather than android :)
<[7]> but I'll probably have to mess with both for that
<bsdfox> [7], see if you can figure out what driver your touch panel is using then start reading the source code :)
<[7]> well, I knew that much before ;)
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<Turl> [7]: you'll probably need to rework the early suspend/late resume routines for your driver to not shut it down
<bsdfox> also you might have issues using it as a wake up source
<bsdfox> I'm not sure where you might add that support
<[7]> I don't really suspend linux anyway
<[7]> it's just the LCD that is turned off after a few minutes of inactivity
<[7]> the rest of the hardware stays awake
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* TheSeven wonders what makes sunxi-ir (unlike e.g. axp209-supplyer) appear as a physical external keyboard on android...
<TheSeven> looks like one of those meanwell clones
<TheSeven> the original is a bit larger and costs about 30 euros
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