74 lines
2.4 KiB
Plaintext
74 lines
2.4 KiB
Plaintext
Kernel driver i2c-sis96x
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Replaces 2.4.x i2c-sis645
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Supported adapters:
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* Silicon Integrated Systems Corp (SiS)
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Any combination of these host bridges:
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645, 645DX (aka 646), 648, 650, 651, 655, 735, 745, 746
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and these south bridges:
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961, 962, 963(L)
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Author: Mark M. Hoffman <mhoffman@lightlink.com>
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Description
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-----------
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This SMBus only driver is known to work on motherboards with the above
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named chipset combinations. The driver was developed without benefit of a
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proper datasheet from SiS. The SMBus registers are assumed compatible with
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those of the SiS630, although they are located in a completely different
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place. Thanks to Alexander Malysh <amalysh@web.de> for providing the
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SiS630 datasheet (and driver).
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The command "lspci" as root should produce something like these lines:
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00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645
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00:02.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513
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00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016
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or perhaps this...
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00:00.0 Host bridge: Silicon Integrated Systems [SiS]: Unknown device 0645
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00:02.0 ISA bridge: Silicon Integrated Systems [SiS]: Unknown device 0961
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00:02.1 SMBus: Silicon Integrated Systems [SiS]: Unknown device 0016
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(kernel versions later than 2.4.18 may fill in the "Unknown"s)
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If you can't see it please look on quirk_sis_96x_smbus
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(drivers/pci/quirks.c) (also if southbridge detection fails)
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I suspect that this driver could be made to work for the following SiS
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chipsets as well: 635, and 635T. If anyone owns a board with those chips
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AND is willing to risk crashing & burning an otherwise well-behaved kernel
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in the name of progress... please contact me at <mhoffman@lightlink.com> or
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via the linux-i2c mailing list: <linux-i2c@vger.kernel.org>. Please send bug
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reports and/or success stories as well.
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TO DOs
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------
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* The driver does not support SMBus block reads/writes; I may add them if a
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scenario is found where they're needed.
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Thank You
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---------
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Mark D. Studebaker <mdsxyz123@yahoo.com>
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- design hints and bug fixes
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Alexander Maylsh <amalysh@web.de>
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- ditto, plus an important datasheet... almost the one I really wanted
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Hans-Günter Lütke Uphues <hg_lu@t-online.de>
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- patch for SiS735
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Robert Zwerus <arzie@dds.nl>
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- testing for SiS645DX
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Kianusch Sayah Karadji <kianusch@sk-tech.net>
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- patch for SiS645DX/962
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Ken Healy
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- patch for SiS655
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To anyone else who has written w/ feedback, thanks!
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