ChanServ changed the topic of #asahi-dev to: Asahi Linux: porting Linux to Apple Silicon macs | Non-development talk: #asahi | General development | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Logs: https://alx.sh/l/asahi-dev
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<nicolas17>
sven: any idea where to even start looking at how brcmfmac works? if I look at a m1n1 trace I probably won't understand anything, I need like, some overview of what the hardware "protocol" is like...
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<sven>
from what I know it’s essentially a bunch of message rings used to exchange information
<sven>
probably better to talk to dberlin though, he seems to actually understand what’s going on in there
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<nicolas17>
sven: yeah but see, I know *less* than that :P I never wrote any kind of kernel driver, I'm *assuming* the way "message rings" work for this kind of hardware communication is conceptually similar to iouring?
<nicolas17>
(since iouring was inspired by I/O hardware)
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<sven>
so essentially you have one (or more) ringbuffers where one sides writes messages and increments the write pointer (which usually triggers an irq for the other side) and the other side reads messages and increments the read pointer
<sven>
from what little I’ve seen of bcrmfmac it also does something similar to this
<sven>
the Bluetooth hardware works pretty much like this
<sven>
and that’s also where most of what I actually know about brcmfmac stops
<sven>
the rest is just half-knowledge and there are better people to ask :)
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<nicolas17>
sven: is dberlin on IRC? >.>
<j`ey>
DannyB
<nicolas17>
ohhhhh :D
<nicolas17>
(he has also been inactive on IRC since last year though)
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<janneg>
kettenis: is there a reason for "stdout=serial,vidconsole"? efi_console will only take the size from vidconsole if stdout starts with "vidconsole". changing the order fixes make the efi text console display filled instead of 80x25
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<kettenis>
janneg: I don't think there is a reason
<janneg>
marcan: u-boot asahi-releng rebased on asahi / v2024.01 with most EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL issues fixed
<janneg>
HiDPI font support is still a hack and not upstreamable, only missing feature is cursor support
<kettenis>
I don't think there is cursor support for normal fonts either is there?
<janneg>
no, unrelated to HiDPI. Simon enabled the cursor only for expo
<mps>
I'm waiting for u-boot-asahi rebased on v2024.01 to test cursor