Turl changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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<aalm> how does one invert(=remove) "enable-active-high" set in .dtsi from .dts? suggestions for .dts to look at?
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<wens> aalm: use /delete-property/
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<aalm> thanks, i'll take a look at delete-property:)
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<mirko> trying to get GL support running with the prop. mali drivers on mainline - however apparently my framebuffer setup is broken
<mirko> no /dev/fb0 (and not just the node isn't there, there's really no device behind :))
<mirko> i'm running an H3 - any pointer on what I might be missing?
<mirko> the prop. mali is successfully built and loaded (/dev/mali is there)
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<codekipp1r> anarsoul: thanks
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<IlyaM> Hey everyone!
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<wens> anarsoul: hi, you need to substantiate your claims that a64 codec only works with a certain sample width and divider
<anarsoul> wens: I think it's limited by i2s and codec driver for now. BSP drivers seems to work with 24bit as well, I haven't test it though
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<wens> the a33 codec seems to be limited in software as well
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<anarsoul> wens: sun4i-i2s can't do anything but 16 bit
<IlyaM> so I need to edit dts to enable GPIO polling on A64? I wrote the code which uses sysfs to communicate with gpio and my irq doesn't work, but if I use read_gpio in while(1){} it shows me the changes
<wens> anarsoul: that makes it particularly bad to have two sets of software limitations for different hardware
<IlyaM> *do I need to edit?
<wens> anarsoul: it's best to either use the same set, to keep things simple, or just remove the limitation
<wens> having two sets is just unwanted code churn
<anarsoul> wens: I think it's intersection of hw_params, so sunxi is limited to 16bit as for now
<anarsoul> since sun4i_i2s is 16bit
<anarsoul> (and so is sun8i_codec)
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<anarsoul> wens: have there been any patches to enable 24 and 32bits for sunxi?
<anarsoul> (I'm not following neither alsa-devel nor lakml)
<wens> not that I know of
<wens> anarsoul: but your patches seem to be hard coding it to do 24bit resolution with 32bit samples
<anarsoul> wens: where? are you talking about wss?
<wens> yes
<anarsoul> wens: a64 bsp driver sets wss to fixed value no matter what sample width is
<anarsoul> wens: check bsp driver.
<wens> bsp driver is not always the best reference
<anarsoul> wens: well, datasheet is useless. It doesn't work as described in datasheet
<wens> quoting from it is generally a last resort if you can't get things working
<anarsoul> wens: I couldn't. It doesn't work with wss set to anything but 3
<wens> ok, then you should mention that in your commit message
<anarsoul> wens: sure, could you respond to my email with this comment? I'll collect all comments then I'll send v2
<anarsoul> wens: i2s for audiocodec on a64 differs from 3 other i2s controllers (which are similar to h3), and doesn't look similar to any other i2s in any other allwinner soc
<wens> I gather from your commit that it's like a10/a20, with TX FIFO and INT status registers swapped?
<wens> if so then it's the same as a83t
<anarsoul> wens: and wss quirk
<wens> I really think the wss quirk can be handled within the ASoC framework, and not some fixed value hack
<anarsoul> wens: how?
<anarsoul> wens: it seems to depends on sample width on any supported platform but a64, but it's fixed on a64
<anarsoul> s/depends/depend
<wens> just declare that both the codec and i2s can only handle SNDRV_PCM_FMTBIT_S32_LE
<wens> wss is calculated from the format, and lrck_div is calculated from wss
<anarsoul> wens: nope, alsa format conversion is pretty expensive
<anarsoul> I'd prefer it to support 16bit than 32bit
<wens> btw, which side is the master in your experiments?
<anarsoul> wens: either works, I use cpudai
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<anarsoul> (i.e. i2s)
<wens> and neither works with 16bit wss?
<anarsoul> wens: IIRC no, I'll test again tomorrow
<anarsoul> wens: btw, I'm not sure what 'solid evidence' means in your email. Is setting wss to 2 having sound not working enough? :)
<anarsoul> (or to any other value)
<wens> yes
<wens> the point is you have to explain why it is how it is, i.e. under what conditions it doesn't work
<wens> and also a reference to the BSP kernel about how you found the correct values
<anarsoul> wens: OK, understood
<wens> (that is assuming you didn't brute force them)
<wens> I'll put them in an email reply
<anarsoul> wens: well, I took codekipp1r's changes first, then I checked that they correspond to datasheet, but it doesn't work, then I compared register values with BSP kernel and found this difference
<anarsoul> re-testing again with codec as master and wss = 16bit as per datasheet...
<wens> yes. the most important thing about the commit log is the "why". the "how" we can already see from the patch :)
<wens> I'm not familiar enough with ALSA inners to comment on the S16 vs S32 conversion costs
<wens> but that is worth mentioning as well
<anarsoul> wens: it's expensive. Any conversion is at least an extra copy, and it's expensive
<anarsoul> it's not as expensive as rate conversion, but anyway it is expensive
<wens> 16 -> 32 is just sign or zero extension, right?
<anarsoul> wens: tested, no sound with wss = 16bit and codec as master
<anarsoul> wens: it's an extra copy
<wens> in any case, we already do it for 24 bit audio :/
<anarsoul> wens: you have to have another buffer, and you have to do conversion on every snd_pcm_writei or whatever api you're using
<anarsoul> wens: well, if hardware can do 16 bit, it's better to expose it
<anarsoul> wens: on ~400mhz armv5 cpu it's pretty noticeable
<icenowy[m]> trying to driver the XHCI on H6
<anarsoul> wens: for example, mplayer can play 320x240 mpeg4 videos on pxa270@416mhz without any conversions, but it stutters if it has to do any conversion
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<anarsoul> wens: wss = 3 (i.e. 32 bit) seems to be essential. It works with either codec or i2s as master, but only with wss = 3
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<anarsoul> wens: so probably there's a mistake in datasheet. Or there's a but in hardware
<anarsoul> s/but/bug
<wens> probably both :/
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<icenowy[m]> wink confirms that there's an AC200 integrated in H6
<icenowy[m]> montjoie: ^
<icenowy[m]> and the EPHY seems to be the one integrated in AC200
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<icenowy[m]> and the PA/PB GPIO banks seem to be connected to AC200 internally
<icenowy[m]> PA is RMII and PB is CCIR/I2S/I2C
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<apritzel> yeah, hell freezes over: Allwinner providing documentation (AC200 datasheet) to the Wiki
<icenowy[m]> I remember someone wants it
<icenowy[m]> maybe montjoie?
<montjoie> :D
<montjoie> Yes I wanted it to see if we can do more with EPHY
<icenowy[m]> montjoie: but it seems that the EPHY register fields in syscon are bogus
<icenowy[m]> as the EPHY clock is missing
<icenowy[m]> and internally there's a PA GPIO bank which has a RMII
<icenowy[m]> (I think this should be the RMII link to AC200
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<wens> there's not much for EPHY
<icenowy[m]> there's a BUS clock/reset pair for EPHY on H3/5
<icenowy[m]> but there's no on H6
<wens> I meant in the AC200 datasheet
<wens> and it's still missing whatever MDIO registers it has
<icenowy[m]> maybe it's only generic?
<icenowy[m]> P.S. the 0x6000 register is just the same with 31:16 part of H3/5 EMAC syscon register
<wens> the ac200 ephy driver from the a83t kernel has a bunch of magic numbers written
<icenowy[m]> MDIO?
<wens> yes
<wens> hmm, can't find it anymore
<wens> lnet/phy/sunxi-ephy.c
<wens> net/phy/sunxi-ephy.c
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<wink[AW]> Hi All, I have created a new page and uploaded datasheet about AC200 in linux-sunxi wiki, hope it can be helpful for you. link:http://linux-sunxi.org/AC200
<montjoie> wink[AW]: thanks we see it
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<DonkeyHotei> wens: on the a33 tablet, yes, toggling PH9 turns the internal speaker on and off, but irrespective of the headphone jack, and with headphones, left and right channels are reversed
<apritzel> wink[AW]: thanks a lot, that looks very good: good Wiki page, proper datasheet. Well done.
<wens> DonkeyHotei: for left/right reversal, have you looked at the fixes that have been merged?
<DonkeyHotei> you mean since sunxi-next?
<DonkeyHotei> wens: the channels are reversed with sunxi-next
<DonkeyHotei> i'm wondering whether there is a headphone detect pin
<DonkeyHotei> also, the mic does not seem to work
<icenowy[m]> wink[AW]: we're discussing at this ;-)
<wens> DonkeyHotei: no there isn't (unless the board uses a separate GPIO, which most don't)
<wens> for mic to work, you need to give it power
<wens> you need to have the correct routes in the dts file so everything is hooked up and ASoC enables the power for you when you start the capture
<DonkeyHotei> ah
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<DonkeyHotei> the fex has headphone_mute_used = 0
<wens> I've only seen headphone_mute_used = 1 on A31s tablets
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<apritzel> wens: thanks a lot for the eMMC fix! I noticed this problem before, as a very early (4.9-based) branch of mine (with the old clocks) was performing at twice the speed
<apritzel> wens: will review it tonight
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<parazyd> anyone know anything about this error: [60564.873119] newpid[25197]: SP Alignment exception: pc=0000aaaae66e7480 sp=0000ffffd11b3968
<parazyd> as in, what to look for in solving this?
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<Wizzup> icenowy[m]: curious, is there a branch I could try for the olimex teres, or general a64 stuff? the mainline wiki page mostly links to 'major drivers', not to a git repo or branch
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<junnie> hi everyone, does anybody had boot issue after enabling CONFIG_DM? Serial console does not emit any output on H3 SoC. debug_uart_init/puts does not work neither though it works without CONFIG_DM.
<junnie> beeble, I guess you had enabled CONFIG_DM, because RSA need it.
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<icenowy[m]> Wizzup: I think my branch that supports Pinebook may be possible to support Olimex TERES I
<Wizzup> Ah, there's not a wiki page for the teres yet it seems. Maybe I should make one
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<silviop> in my try to port atouchS driver i'm stuck in port this function regulator_set_voltage(data->ctp_power_ldo,(int)(data->ctp_power_vol)*1000,(int)(data->ctp_power_vol)*1000);
<silviop> i suppose ldo are set in dsi file i can omit ?
<junnie> hello everyone, does anybody ever enable CONFIG_DM in u-boot ?
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<apritzel> junnie: ARCH_SUNXI (and many other ARM platform as well as other architectures) have a "select DM" somewhere in some Kconfig files
<apritzel> junnie: so it's basically always on almost everywhere these days
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<junnie> apritzel: Sorry to confuse you. Just found that it is SPL_DM config that really matters.
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<junnie> apritzel: Sorry to confuse you. Just found that it is SPL_DM config that really matters. I guess serial console is not tested on H3 with SPL_DM selected.
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<apritzel> junnie: so why do you need SPL_DM?
<junnie> SPL_RSA
<junnie> and SPL_FIT_SIGNATURE
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<apritzel> junnie: have you tried #defining CONFIG_SYS_NS16550_MEM32 in sunxi-common.h?
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<junnie> apritzel: I ever tested this config, but it does not matter.
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<mirko> apparently my framebuffer setup is broken on my H3 - there's no /dev/fb0 and i'm running out of ideas what i might be missing..
<mirko> running 4.14 (mainline)
<mirko> i'm also getting "sun8i-mixer 1100000.mixer: Couldn't get our reset line" and "sun4i-drm display-engine: failed to bind 1100000.mixer (ops sun8i_mixer_platform_driver_exit [sun8i_mixer]): -517" messages
<mirko> glad for any pointers
<mirko> however the mixer shouldn't have anything to do with my issue..
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<jernej> mirko: since H3 DRM driver is not yet mainlined, which kernel do you have?
<jernej> did you patched it yourself?
<mirko> jernej: you're right, i'm sorry - currently on orange-pi-4.14 of //github.com/megous/linux.git
<jernej> mirko: which board?
<mirko> orangepi lite
<jernej> I have to check some things, but in general, since this is DRM driver, you have to have enabled fbdev emulation or otherwise you won't have /dev/fb0
<jernej> do you have that enabled?
<jernej> but anyway, first that issue with mixer have to be resolved
<mirko> happy to try things out
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<jernej> mirko: Can you upload your kernel configuration file somewhere?
<mirko> sure, i took the 4.13.0-1-armmp-lpae from debian as base - so it's pretty much messed up (as in: everything is selected as a module)
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<jernej> mirko: I can't find anything wrong, except try with CONFIG_CMA_SIZE_MBYTES=64
<jernej> if that still doesn't work, please provide full dmesg output
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<mirko> jernej: better! i see things on the screen now :) - however quite some oopsing happening: https://pb.nanl.de/show.php?id=4799&hash=15124111&mode=raw
<jernej> mirko: what is your resolution?
<mirko> ideally it would be 1920x1080
<mirko> the drawn picture looks like 1/4 of the size
<mirko> "(II) modeset(0): Setting screen physical size to 1016 x 571"
<jernej> then there is some serious issue
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<BenG83> oh wow AW honoured my AC200 request
<BenG83> moin
<jernej> what is your monitor vendor and model?
<mirko> jernej: samsung LU28E590DS
<mirko> ah, crap
<mirko> it's a 4k screen
<mirko> that explains
<mirko> (does it?)
<jernej> then you should try with even more CMA memory
<mirko> i don't intend on using it with a 4k screen
<jernej> I don't have 4k screen, so driver wasn't thoroughly tested on that resolution
<mirko> will try back home with my HD one
<jernej> but some reports said it works
<jernej> but on board with more RAM
<mirko> i see - the lite has 512MB
<jernej> I think it should be enough, but I'm not sure
<jernej> but yes, please try on 1080p screen or at least force lower resolution
<mirko> will do. thanks a lot!
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<lvrp16> mirko: be careful as many orange pi and nano pi models have 16-bit DDR interface from only 1 RAM module
<lvrp16> mirko: may not be enough to drive 4K, and if you push DDR to any more than 672mhz, the SoC becomes unstable as it can't maintain that clock
<lvrp16> mirko: make sure to get a board with 32-bit memory
<lvrp16> mirko: oh sorry read it wrong
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<mirko> lvrp16: :)
<mirko> jernej: works on 1920x1080!
<mirko> i'm surprised how smooth GL works even without prop mali support
<jernej> so there is some issue with 4k
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<jernej> be aware that mali400 officially doesn't support 4k
<lvrp16> jernej, how is de2 coming?
<jernej> I send second version of patches for multiplane support and I'm waiting on review
<jernej> HDMI driver will follow after mripard's A83T LCD patches gets merged
<jernej> I hope everything will be ready for 4.16
<lvrp16> sickness, just h3 right? no h5?
<jernej> why not? when that is in, h5 and a64 should be easy
<lvrp16> yum, how different is the hdmi controller for h3 and h5?
<jernej> just some bindings and slight adjustments where needed
<jernej> they are same :)
<jernej> for all purposes
<lvrp16> haha nice, it's kind of funny how h3/h5 is nearly working and then allwinner throws out h6
<lvrp16> hopefully they do some of the upstream work
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<plaes> haha.. of course not.. :S
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<willmore> Well, it comes with a 4.4 BSP, so that's closer to mainline. :)
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<lvrp16> seriously?
<lvrp16> h6 has a 4.4 bsp?
<lvrp16> Android 4.4 or Linux 4.4?
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<lvrp16> i am failing at reading today
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<mirko> can i already get sound out of the h3 via hdmi?
<anarsoul> mirko: it works with jernej's patches, see https://github.com/jernejsk/linux-1/tree/h3_hdmi_audio_v1
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<mirko> *clone*
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<mirko> wanted to check where/when jernej branched from for the hdmi-audio changes and now i'm just starring on my screen: https://foo.nanl.de/Screenshot%20from%202017-12-04%2022-38-18.png
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<mirko> anarsoul: those changes are already merged
<anarsoul> mirko: well, I don't know what tree you're using and I assumed mainline
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<willmore> lvrp16, linux 4.4, IIRC.
* willmore doesn't remember where he read that.
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<jernej> willmore: that was for h3
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