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Re: ps2 keyboard -- no key down events

To: <>, <>
Subject: Re: ps2 keyboard -- no key down events
From: "Bradley D. LaRonde" <>
Date: Wed, 24 Apr 2002 12:57:09 -0400
References: <>
Could it be a level-trigger versus edge-trigger interrupt setting?


----- Original Message ----- 
From: "Michael Pruznick" <>
To: <>
Sent: Wednesday, April 24, 2002 11:15 AM
Subject: ps2 keyboard -- no key down events

> I'm working on this mips board with a smsc 90e66 south bridge and
> fdc37m812 super io.  I'm using the standard pc_keyb.c driver.  I only
> see keyboard interrupts and KBD_STAT_OBF set in response to "key up"
> events.  I never see them in response to "key down" events.  Thus, the
> shell running on the vga console never gets my input (since it is the
> "key down" events that pass the character typed to the shell).
> At this point, I'm thinking that the standard driver needs some mods
> to work with the super io's ps2 controller.  The smsc doc only covers
> programming the plug and play registers and doesn't give any info about
> programming the ps2 controller.
> I've looked around the web, but haven't found anything useful.
> Can anyone point me towards some resources that might help out?
> -- 
> Michael Pruznick,,
> MontaVista Software, 1237 East Arques Ave, Sunnyvale, CA 94085

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