est module

[Johannes Hofmann]

Johannes Hofmann <Johannes.Hofmann at xxxxxx> wrote:
> YONETANI Tomokazu <qhwt+dfly at xxxxxxxxxx> wrote:
>> On Thu, Jun 22, 2006 at 03:36:38PM +0200, joerg at xxxxxxxxxxxxxxxxx wrote:
>>> On Thu, Jun 22, 2006 at 02:42:58PM +0200, Thomas Schlesinger wrote:
>>> > Unfortunately, it seems not to support my Pentium-M 1.73GHz (Pentium M-740, 
>>> > 533MHz FSB):
>>> 
>>> NetBSD has
>>> /* Intel Pentium M processor 740 1.73 GHz */
>>> static const struct fq_info pentium_m_n740[] = {
>>>        { 1733, 1356 },
>>>        { 1333, 1212 },
>>>        { 1067, 1100 },
>>>        {  800,  988 },
>>> };
>>> 
>>> static const struct fqlist pentium_m_dothan[] = {
>>>       ...
>>>         ENTRY("1.73", 0x06d8, pentium_m_n740, 4),
>>>       ...
>>> };
>>> 
>>> Try to adopt it.
>> 
>> I'm starting to feel that we'd probably get a better EST support
>> to port from NetBSD for now than sticking with the current version,
>> since FreeBSD decided to rely on _PSS object in ACPI table to
>> retrieve voltage/frequency data for newer/yet-to-be documented
>> Pentium-M CPUs, and we haven't ported it yet and probably that'll take
>> longer than to port NetBSD version of EST driver.
>> 
>> So my question is: Thomas(and anybody else), can you try my untested
>> patch and see if it works for you? (untested because I don't have
>> access to any Pentium-M machines now)
>> 
>> $ cd /sys/dev/est
>> $ export MAKEOBJDIRPREFIX=$HOME/obj             (/bin/sh syntax)
>> $ setenv MAKEOBJDIRPREFIX $HOME/obj             (/bin/csh syntax)
>> 
>> $ fetch -o est.c http://les.ath.cx/DragonFly/netbsd-est.c
>> $ make cleandir; make cleandir
>> $ make obj && make depend && make
>> $ su
>> # make install
>> (make sure you don't have `est_load="YES"' line
>> in /boot/loader.conf or /etc/sysctl.conf now)
>> 
>> # shutdown now
>> # umount -a; mount -ur /
>> (so as your partitions won't get damaged on kernel panic)
>> 
>> Good luck.
> 
> Hi, with this patch I only see the syctl for available freqs:
> 
> hofmann at blob:~ >sysctl machdep.est
> machdep.est.frequency.available: 1800 1600 1400 1200 1000 800 600
> hofmann at blob:~ >
> 
> No idea why though...

Ok, the SYSCTL_IN and SYSCTL_OUT suff was missing... Here is a
slightly modified version that works for me:

http://www.ecademix.com/JohannesHofmann/netbsd-est.c

Regards,
  Johannes


> 
>  Johannes