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7ebd8b66dd
Now that all files were converted to ReST format, rename them and add an index. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
65 lines
2.1 KiB
ReStructuredText
65 lines
2.1 KiB
ReStructuredText
Kernel driver nct6683
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=====================
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Supported chips:
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* Nuvoton NCT6683D
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Prefix: 'nct6683'
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Addresses scanned: ISA address retrieved from Super I/O registers
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Datasheet: Available from Nuvoton upon request
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Authors:
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Guenter Roeck <linux@roeck-us.net>
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Description
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-----------
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This driver implements support for the Nuvoton NCT6683D eSIO chip.
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The chips implement up to shared 32 temperature and voltage sensors.
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It supports up to 16 fan rotation sensors and up to 8 fan control engines.
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Temperatures are measured in degrees Celsius. Measurement resolution is
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0.5 degrees C.
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Voltage sensors (also known as IN sensors) report their values in millivolts.
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Fan rotation speeds are reported in RPM (rotations per minute).
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Usage Note
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----------
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Limit register locations on Intel boards with EC firmware version 1.0
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build date 04/03/13 do not match the register locations in the Nuvoton
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datasheet. Nuvoton confirms that Intel uses a special firmware version
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with different register addresses. The specification describing the Intel
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firmware is held under NDA by Nuvoton and Intel and not available
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to the public.
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Some of the register locations can be reverse engineered; others are too
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well hidden. Given this, writing any values from the operating system is
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considered too risky with this firmware and has been disabled. All limits
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must all be written from the BIOS.
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The driver has only been tested with the Intel firmware, and by default
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only instantiates on Intel boards. To enable it on non-Intel boards,
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set the 'force' module parameter to 1.
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Tested Boards and Firmware Versions
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-----------------------------------
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The driver has been reported to work with the following boards and
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firmware versions.
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=============== ===============================================
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Board Firmware version
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=============== ===============================================
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Intel DH87RL NCT6683D EC firmware version 1.0 build 04/03/13
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Intel DH87MC NCT6683D EC firmware version 1.0 build 04/03/13
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Intel DB85FL NCT6683D EC firmware version 1.0 build 04/03/13
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=============== ===============================================
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