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Hello,
On Oct 26, 2006, at 07:19, Marco Trillo wrote:
> Audio works great, since the eMac uses the TAS3004
audio chip
> supported by the snapper(4) driver. You simply have to
activate the
> driver and build the kernel.
>
> The complete documentation on building a kernel is
available on the
> NetBSD website:
>
> http://www.netbsd.org/Documentation/kernel/#how
_to_build_a_kernel
>
> In the step 6 in which you edit the config file, you
simply need to
> activate the driver:
>
> Search the string "snapper" to find the
following line:
>
> #snapper* at obio? # Snapper audio device
>
> Uncomment the line by removing the first hash character
(#) .
>
> Just a few lines above the snapper line you have this:
>
> #ki2c* at obio? # Keywest I2C
>
> You need to uncomment that line too since ki2c is
needed by snapper(4)
> to operate.
That's not enough anymore - what matters is
deq* at ki2c?
Since there may be other devices hooked up to the iic bus
which we may
want to use I changed the snapper driver to not talk to the
ki2c
directly anymore but look for deq instead.
Without deq snapper won't be able to find its mixer.
It may be worth a try to have both ki2c ( at obio and at
uni_n ),
adm1030c at ki2c and adt7467c at ki2c enabled - chances are
that the
eMac uses one of those thermal monitor / fan controller
chips. That
would give various temperatures, fan speeds etc. via envsys.
> Then search again by "snapper" to find the
following line:
>
> #audio* at snapper?
>
> Again, uncomment it by removing the # character. This
will attach the
> audio(4) interface to the snapper(4) driver.
>
> By the way you can uncomment the OFB_ENABLE_CACHE
option too, since it
> greatly improves the console speed:
>
> # OFB_ENABLE_CACHE speeds up the console on many
machines, but should
> # not be enabled on some older machines, such as the
rev. A-D iMacs.
> #options OFB_ENABLE_CACHE # Speed up console
>
> Of course this is unrelated to audio and is not
required.
Reminds me - I need to clean up and commit the code that
allows us to
use hardware accelerated framebuffer drivers as console.
That would
also eliminate the messed up screen when X exits, at least
with drivers
that know how to change video modes ( like radeonfb... )
have fun
Michael
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