#asahi-dev on 2021-10-26 — irc logs at oftc.irclog.whitequark.org

2021-07-26 22:57 ChanServ changed the topic of #asahi-dev to: Asahi Linux: porting Linux to Apple Silicon macs | General development | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Logs: https://alx.sh/l/asahi-dev

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03:17 <rkt> alyssa: Which distro do you use while developing Asahi Linux?

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10:10 <tophevich[m]> rkt: afaik alyssa is a debian girl

10:30 <rkt> tophevich[m]: ooh, alyssa is a girl, cool.

10:36 <rkt> tophevich[m]: I like the logo of debian since a few years ago. But i have never tried it yet.

10:43 <tophevich[m]> (just to clarify she is grown up, so not a "girl" anymore, but I wanted to convey her being debian user (and I think on ecould call her a debian proponent) in a "cutsie" way, and she has an online presents with twitter: https://twitter.com/alyssarzg/ and a webpage/blog: https://rosenzweig.io/)

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10:59 * rkt reading her latest blog post. https://rosenzweig.io/blog/asahi-gpu-part-4.html

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11:08 <kettenis> ah, I just realized that the packets sent by the keyboard are just standard HID reports

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11:18 <povik> what standard is that?

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11:19 <kettenis> originally for usb "human interface devices" (i.e. keyboards)

11:20 <kettenis> but nowadays also used for i2c and spi keyboards

11:20 <povik> ah that one

11:21 <kettenis> I think this means I can just fake a HID descriptor for the keyboard and re-use the existing HID code in OpenBSD to interpret the packets

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11:26 <povik> let us know how it goes

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12:09 <alyssa> "debian woman" doesn't have the same ring to it, does it...

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12:58 <kettenis> povic: it works ;)

12:59 <povik> that's nice

12:59 <kettenis> s/povic/povik/

12:59 <povik> got that :)

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14:20 <povik> brought my petitboot plan to fruition

14:20 <povik> https://github.com/povik/petitboot-for-m1-macs

14:20 <povik> took more work than it deserves

14:32 <maz> povik: interested in that pcie patch. is that to make sure the link is brought down before we reinit everything else?

14:33 <povik> maz: well for reason pulling that reset for 100 ms (no less!) makes it work

14:33 <povik> that's about all i understand

14:33 <povik> *for some reason

14:34 <povik> otherwise it reports "link didn't come up"

14:39 <kettenis> hah, I think I've found a way to extract the HID descriptor from the device itself

14:45 <maz> povik: seems to match this: https://community.intel.com/cipcp26785/attachments/cipcp26785/programmable-devices/56074/1/cpci_power_on_timing.pdf

15:06 <maz> povik: I suspect we'll need something similar when booting from u-boot anyway.

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15:25 <marcan> kettenis: ooh, nice

15:25 <marcan> that sounds useful for linux too (I assume the linux driver doesn't do that yet?)

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15:44 <j_ey> marcan: the current applespi driver calls these 'input_report_key' functions directly

15:47 <marcan> sounds like a rework might be in order then

15:47 <j_ey> just noticed theres also drivers/hid/hid-apple.c

15:47 <marcan> I assume that's for the external keyboards?

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15:47 <marcan> maybe applespi should be hooking into the hod core and hid-apple instead

15:47 <marcan> *hid

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21:01 <kettenis> marcan: yes, this would probably simplify the linux driver as well

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