Date: Mon, 24 Sep 2001 12:42:13 -0400 (EDT) From: Kenneth Wayne Culver <culverk@wam.umd.edu> To: John Merryweather Cooper <john_m_cooper@yahoo.com> Cc: Mike Bruins <bruins@hal9000.net.au>, freebsd-questions@FreeBSD.ORG, freebsd-hardware@FreeBSD.ORG Subject: Re: health chip driver - vt82c686 - finishing off Message-ID: <Pine.GSO.4.21.0109241241550.1253-100000@sun09pg2.wam.umd.edu> In-Reply-To: <20010924072618.C677@johncoop.MSHOME>
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It seems that xmbmon is only in the ports if you're running -CURRENT...
Ken
On Mon, 24 Sep 2001, John Merryweather Cooper wrote:
>
> On 2001.09.24 07:11 Mike Bruins wrote:
> > Hello,
> >
> > I have put together most of a device driver for the health
> > monitoring chip via technologies vt82c686 function 4 (PCI 3057:1106).
> > All the kernel loadable module, device probe/attach code,
> > temperature/fan/voltage conversion routines are there.
> > I can read the device registers for PCI Vendor/Device, chip enable,
> > class, subclass etc.
> >
> > Basically what I am not able to do is read the values
> > hardware offset registers. The call to bus_alloc_resource
> > fails (returns null) and I can't work out why.
> >
> > If anyone could please help with the following questions:
> >
> > 1. It looks like bus_alloc_resource() gets resources from it's parent
> > device driver.
> > Does the vt82c686 function 4, talk I2C to it's parent to get
> > resources?
> > If so, do I need a device driver for this parent?
> > Anyone know it's PCI vendor/device chip code?
> >
> > 2. Perhaps I am going down the wrong path. Ideas, example code
> > references appreciated. I have looked at many examples of
> > code, but can't work out what is relevent/required for the 686a/b,
> > in terms of resources and how it communicates.
> >
> > 3. The bit of my code that is actually failing is below.
> > Like I said, I am pretty much sure the code to this point
> > is correct and working as I can print any of the registers
> > and they have sane values.
> >
> > I have tried every conbination I can think of for hwm_io_base_reg
> > and the type of resource I am asking for.
> > I have read the 686a.pdf file many times, tried all I can think of.
> > According to the 686a.pdf the data size is 0x80 bytes.
> >
> >
> > via->mem_rid = hwm_io_base_reg;
> > via->res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY,
> > &(via->mem_rid),
> > 0ul, ~0ul, 0x80, RF_ACTIVE);
> > if (!via->res_mem) {
> > device_printf(dev, "could not map memory\n");
> > goto bad;
> > }
> > via->memt = rman_get_bustag(via->res_mem);
> > via->memh = rman_get_bushandle(via->res_mem);
> >
> > Ultimately I need the memt and memh values, so I can make calls
> > like:
> >
> > val = bus_space_read_1(via->memt, via->memh, regno);
> >
> >
> >
> > My system:
> > Motherboard: Gigabyte 6vxd7
> > CPU : dual 866
> > OS : 4.3-RELEASE free-bsd
> >
> > I have altered chip_match() so no driver is loaded at boot time for
> > 0x30571106.
> >
> > chip0@pci0:0:0: class=0x060000 card=0x00000000 chip=0x06911106
> > rev=0xc4 hdr=0x00
> > pcib1@pci0:1:0: class=0x060400 card=0x00000080 chip=0x85981106
> > rev=0x00 hdr=0x01
> > isab0@pci0:7:0: class=0x060100 card=0x06861106 chip=0x06861106
> > rev=0x22 hdr=0x00
> > uhci0@pci0:7:2: class=0x0c0300 card=0x12340925 chip=0x30381106
> > rev=0x10 hdr=0x00
> > uhci1@pci0:7:3: class=0x0c0300 card=0x12340925 chip=0x30381106
> > rev=0x10 hdr=0x00
> > none0@pci0:7:4: class=0x0c0500 card=0x00000000 chip=0x30571106
> > rev=0x30 hdr=0x00
> > sym0@pci0:9:0: class=0x010000 card=0x00000000 chip=0x00201000
> > rev=0x01 hdr=0x00
> > sym1@pci0:9:1: class=0x010000 card=0x00000000 chip=0x00201000
> > rev=0x01 hdr=0x00
> > rl0@pci0:10:0: class=0x020000 card=0x0027a0a0 chip=0x813910ec
> > rev=0x10 hdr=0x00
> > pcm0@pci0:13:0: class=0x040100 card=0x13711274 chip=0x13711274
> > rev=0x08 hdr=0x00
> > none1@pci0:14:0: class=0x040100 card=0x20601458 chip=0x13711274
> > rev=0x07 hdr=0x00
> > none2@pci1:0:0: class=0x030000 card=0x00000000 chip=0x002c10de
> > rev=0x15 hdr=0x00
> >
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-hardware" in the body of the message
> >
>
> xmbmon works great (for temperature sorts of things) on my VIA 686B.
> You
> might want to take a look at that code (it's in ports).
>
> --
> jmc
>
> MacroHard -- the perfection of form over
> substance, marketing over
> performance, and greed over
> design . . .
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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