forked from luck/tmp_suning_uos_patched
0ea6e61122
Below you will find an updated version from the original series bunching all patches into one big patch updating broken web addresses that are located in Documentation/* Some of the addresses date as far far back as 1995 etc... so searching became a bit difficult, the best way to deal with these is to use web.archive.org to locate these addresses that are outdated. Now there are also some addresses pointing to .spec files some are located, but some(after searching on the companies site)where still no where to be found. In this case I just changed the address to the company site this way the users can contact the company and they can locate them for the users. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Thomas Weber <weber@corscience.de> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Cc: Paulo Marques <pmarques@grupopie.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: Michael Neuling <mikey@neuling.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
94 lines
3.4 KiB
Plaintext
94 lines
3.4 KiB
Plaintext
Kernel driver w83627hf
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======================
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Supported chips:
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* Winbond W83627HF (ISA accesses ONLY)
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Prefix: 'w83627hf'
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Addresses scanned: ISA address retrieved from Super I/O registers
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* Winbond W83627THF
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Prefix: 'w83627thf'
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Addresses scanned: ISA address retrieved from Super I/O registers
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* Winbond W83697HF
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Prefix: 'w83697hf'
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Addresses scanned: ISA address retrieved from Super I/O registers
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* Winbond W83637HF
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Prefix: 'w83637hf'
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Addresses scanned: ISA address retrieved from Super I/O registers
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* Winbond W83687THF
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Prefix: 'w83687thf'
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Addresses scanned: ISA address retrieved from Super I/O registers
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Datasheet: Provided by Winbond on request(http://www.winbond.com/hq/enu)
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Authors:
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Frodo Looijaard <frodol@dds.nl>,
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Philip Edelbrock <phil@netroedge.com>,
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Mark Studebaker <mdsxyz123@yahoo.com>,
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Bernhard C. Schrenk <clemy@clemy.org>
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Module Parameters
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-----------------
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* force_i2c: int
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Initialize the I2C address of the sensors
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* init: int
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(default is 1)
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Use 'init=0' to bypass initializing the chip.
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Try this if your computer crashes when you load the module.
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Description
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-----------
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This driver implements support for ISA accesses *only* for
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the Winbond W83627HF, W83627THF, W83697HF and W83637HF Super I/O chips.
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We will refer to them collectively as Winbond chips.
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This driver supports ISA accesses, which should be more reliable
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than i2c accesses. Also, for Tyan boards which contain both a
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Super I/O chip and a second i2c-only Winbond chip (often a W83782D),
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using this driver will avoid i2c address conflicts and complex
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initialization that were required in the w83781d driver.
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If you really want i2c accesses for these Super I/O chips,
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use the w83781d driver. However this is not the preferred method
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now that this ISA driver has been developed.
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The w83627_HF_ uses pins 110-106 as VID0-VID4. The w83627_THF_ uses the
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same pins as GPIO[0:4]. Technically, the w83627_THF_ does not support a
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VID reading. However the two chips have the identical 128 pin package. So,
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it is possible or even likely for a w83627thf to have the VID signals routed
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to these pins despite their not being labeled for that purpose. Therefore,
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the w83627thf driver interprets these as VID. If the VID on your board
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doesn't work, first see doc/vid in the lm_sensors package[1]. If that still
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doesn't help, you may just ignore the bogus VID reading with no harm done.
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For further information on this driver see the w83781d driver documentation.
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[1] http://www.lm-sensors.org/browser/lm-sensors/trunk/doc/vid
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Forcing the address
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-------------------
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The driver used to have a module parameter named force_addr, which could
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be used to force the base I/O address of the hardware monitoring block.
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This was meant as a workaround for mainboards with a broken BIOS. This
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module parameter is gone for technical reasons. If you need this feature,
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you can obtain the same result by using the isaset tool (part of
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lm-sensors) before loading the driver:
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# Enter the Super I/O config space
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isaset -y -f 0x2e 0x87
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isaset -y -f 0x2e 0x87
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# Select the hwmon logical device
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isaset -y 0x2e 0x2f 0x07 0x0b
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# Set the base I/O address (to 0x290 in this example)
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isaset -y 0x2e 0x2f 0x60 0x02
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isaset -y 0x2e 0x2f 0x61 0x90
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# Exit the Super-I/O config space
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isaset -y -f 0x2e 0xaa
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The above sequence assumes a Super-I/O config space at 0x2e/0x2f, but
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0x4e/0x4f is also possible.
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