On Sat, Oct 20, 2012 at 3:09 PM, Andriy Gapon <a...@freebsd.org> wrote:
> on 20/10/2012 22:42 Andriy Gapon said the following:
>> on 20/10/2012 22:20 Derek Kulinski said the following:
>>> I have three questions though:
>>> 1. The motherboard has 4 fan sockets (as far as I can tell), CPU_FAN,
>>> and SYS_FAN[1-3]. SYS_FAN1 currently is not connected.
>>> Seems like:
>>> fan0 -> CPU_FAN (did not try to disconnect it to check :)
>>> fan1 -> SYS_FAN1
>>> fan2 -> SYS_FAN2
>>> There is no entry for SYS_FAN3. I disconnected it temporarily but
>>> it did not seem to affect the output. Is it possible to get that
>>> information from the motherboard?
>>
>> The driver would have to be updated for that.
>> Unfortunately ITE does not provide public datasheets.
>> We could pick up some new bits from the Linux driver though.
>> http://lxr.linux.no/#linux+v3.6.2/drivers/hwmon/it87.c
>
> In fact, here is a completely untested patch:
> http://people.freebsd.org/~avg/it-fans-0x80.diff
>
@@ -354,12 +372,15 @@ static void
it_refresh_sensor_data(struct it_softc *sc)
{
/* Refresh our stored data for every sensor */
- it_generic_stemp(sc, &sc->sensors[12]);
- it_generic_svolt(sc, &sc->sensors[3]);
- if (sc->fan16bit)
+ if (sc->fan16bit) {
it_16bit_fanrpm(sc, &sc->sensors[0]);
- else
+ it_generic_svolt(sc, &sc->sensors[5]);
+ it_generic_svolt(sc, &sc->sensors[14]); <- Looks to be a
copy/paste bug ;-)
+ } else {
it_generic_fanrpm(sc, &sc->sensors[0]);
+ it_generic_svolt(sc, &sc->sensors[3]);
+ it_generic_stemp(sc, &sc->sensors[12]);
+ }
}
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