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